Claims:1. A tipping semi-trailer for road transport of industrial fly ash and bagged cement, said tipping semi-trailer comprising:
a truck-tractor adapted to transport the semitrailer to an unloading station;
at least one shell (11) of the tipping semi-trailer;
a plurality of manholes (13) positioned on the top of the shell (11) of the semitrailer adapted to load the industrial fly ash via a plurality of industrial chutes;
at least one discharge cone (8) fitted with a fluidizer (9) and at least one delivery valve (10) positioned at a rear end cover (6) of the tipping semi-trailer adapted to discharge the industrial fly ash at the unloading station;
at least one plenum assembly placed at the bottom surface of the shell (11) of the tipping semi-trailer adapted to fluidize the industrial fly ash during discharge of the industrial fly ash through the discharge cone (8) positioned at the rear end of the tipping semi-trailer;
at least one hydraulic ram (50) located at a forward end cover (1) of the tipping semi-trailer adapted to tilt the tipping semi-trailer during discharge of the industrial fly ash at the unloading station; and
wherein the semitrailer comprises a plurality of slidable carriages on a plurality of rails (104) arranged adjacent to each other positioned inside the tipping semi-trailer adapted to stack the bagged cement after discharging the industrial fly ash.

2. The tipping semi-trailer as claimed in claim 1, wherein at the unloading station, the industrial fly ash is fluidized by injecting air and is discharged from the tipping semi-trailer by applying air pressure of about 2.5 barg.

3. The tipping semi-trailer as claimed in claim 1, wherein the openable rear end cover (6) is adapted to load the cement bags on the plurality of slidable carriages on the rail inside the tipping semi-trailer

4. The tipping semi-trailer as claimed in claim 1, wherein the openable rear end cover (6) can be swung to its left side by the plurality of davit (20, 19, and 18) mounted on the top left corner from the rear end of the tipping semi-trailer.

5. The tipping semi-trailer as claimed in claim 1, wherein the shell (11) of the tipping semi-trailer comprises at least two longitudinal thick plates (12) having a plurality of internal C-channel members welded to it.

6. The tipping semi-trailer as claimed in claim 5, wherein the plurality of internal C-channel members adapted to support the rails (104) for the plurality of slidable carriages.

7. The tipping semi-trailer as claimed in claim 1, wherein the shell (11) comprises a plurality of air connections (14, 15, 16, 17) positioned on the top of the shell (11) adapted to supply pressurized air into the shell (11).

8. The tipping semi-trailer as claimed in claim 1, wherein the plurality of manholes (13) comprises a plurality of covers that are screwed tightly after loading the industrial fly ash in the tipping semi-trailer.

9. The tipping semi-trailer as claimed in claim 1, wherein the tipping semi-trailer comprises a plurality of saddle support (2, 3, 4, 5) adapted to support structure of the tipping semi-trailer and load of the industrial fly ash and bagged cement.

10. The tipping semi-trailer as claimed in claim 9, wherein the plurality of saddle support (2, 3, 4, 5) rests on a C-channel frame of the tipping semi-trailer.

11 The tipping semi-trailer as claimed in claim 1, wherein the semitrailer comprises at least one hinge lever (18) operably connected to the rear end cover (6) and positioned on the top of the shell (11) of the semi-trailer.

12. The tipping semi-trailer as claimed in claim 1, wherein the front end cover (1) comprises at least one mounting bracket (51) adapted to fasten the at least one hydraulic ram (50) with the front end cover (1).

13. The tipping semi-trailer as claimed in claim 1, wherein the front end cover (1) comprises at least one air connection (35) to the plenum assembly placed at the bottom surface of the shell (11) of the tipping semi-trailer.

14. The tipping semi-trailer as claimed in claim 1, wherein the tipping semi-trailer comprises at least one rear lock (101) adapted to lock the plurality of slidable carriages on the plurality of rails (104).

15. The tipping semi-trailer as claimed in claim 1, wherein the tipping semi-trailer comprises at least one lifting tackle (105) welded to the rear top-end center of the shell (11) adapted to facilitate the handling of the slidable carriages during unloading and loading of the bagged cement.

16. A method of loading and unloading a tipping semi-trailer for road transport of industrial fly ash and bagged cement, said method comprising:
loading the industrial fly ash in the tipping semi-trailer through a plurality of manholes (13) positioned on the top of the shell (11) of the semitrailer via a plurality of industrial chutes;
transporting the semitrailer to an unloading station by a truck tractor;
discharging the industrial fly ash at the unloading station through at least one discharge cone (8) fitted with a fluidizer (9) and at least one delivery valve (10) positioned at a rear end cover (6) of the tipping semi-trailer;
fluidizing the industrial fly ash by at least one plenum assembly placed at the bottom surface of the tipping semi-trailer during discharge of the industrial fly ash through the discharge cone (8) positioned at the rear end cover (6) of the tipping semi-trailer;
tilting the tipping semi-trailer containing the industrial fly ash at the unloading station by at least one hydraulic ram (50) located at the forward end cover (1) of the tipping semi-trailer;
wherein the method comprises stacking the bagged cement on a plurality of slidable carriages on rails arranged adjacent to each other positioned inside the shell (11) of the tipping semi-trailer after discharging the industrial fly ash.

17. A carriage assembly (200) for use in a tipping semi-trailer as claimed in claims 1-6, comprising:
a plurality of channels adapted to form a main skeletal frame of a carriage;
a plurality of transverse bars positioned on top of a plurality of angles positioned on the main skeletal frame of the carriage;
a plurality of corner supports on the carriage adapted to prevent torsional distortion of the carriage;
at least six hollow sections on the top of the main skeletal frame of the carriage;
at least four wheels on each side of the carriage adapted to slide the carriage on a rail assembly (104);
at least one carriage lift arrestor (106) adapted to hold the carriage on the rail assembly (104) during transit;
wherein the rail assembly (104) consists of a v-rail sandwiched between at least two longitudinal angles and the carriage assembly comprises a plurality of bolts adapted to hold the v-rail between the angles and the main skeletal frame of the carriage comprises a plurality of spigots (107) on its center, one each at either side adapted to align with the lifting arrestor (106).

18. The carriage assembly as claimed in claim 17, wherein the angles are further bolted and supported on at least two longitudinal thick plates (12) of a shell (11) of the tipping semi-trailer having a plurality of internal C-channel members

19. The carriage assembly as claimed in claim 17, wherein the carriage assembly comprises a plurality of vertical frames (102) adapted to prevent bagged cement from tipping during the transit.

20. The carriage assembly as claimed in claim 19, wherein the plurality of vertical frame (102) is provided one each for the forward end and the rear end of the carriage.

21. The carriage assembly as claimed in claim 17, wherein the rail assembly (104) comprises at least one forward end stopper adapted to arrest the movement of the carriage on the rail beyond a specific point.
, Description:
TECHNICAL FIELD OF THE INVENTION
The present invention generally relates to transport systems, to avoid empty voyages and reduce pollution in transport of cement and fly ash. Particularly, the invention relates to pneumatic dry bulk tank tipping tank semi-trailer and bagged cement road transport, automation of cement logistics, cement bag palletization, and transport and fly ash transport. More particularly it relates to multipurpose tipping semi-semitrailer for road transport of bulk fly ash and bagged cement.

BACKGROUND OF THE INVENTION
A semitrailer is a trailer whose axle is positioned behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and which is equipped with a coupling device that transmits horizontal and vertical forces to the tractor. Shipping is the physical process of transporting goods and cargo. Virtually every product ever made, bought, or sold has been affected by shipping. Despite the many variables in shipped products and locations, there are only three basic types of shipments: land, air, and sea. Land or ground shipping can be either by train or by truck. Trucking is easily the most popular form of shipping.

Pneumatic dry bulk semi-trailers driven by trucks is the most adopted solution for shipment of bulk powder like goods by road. The trailer or the tipping semi-trailer containment system is a pressure vessel. Usually, the dry bulk tipping semi-trailers have to return empty to their loading station. This increases the logistics costs and increases pollution.

Document US20090175698 A1 discloses a decking system which may include one or more of the following features: (a) a plurality of deck panels operably coupled to and supported by rails extending parallel to the deck panels, (b) a plurality of rail legs coupled to the rails at one end of the rail leg and extending the rails up off of a base coupled to the rail leg at a second end of the rail leg, (c) a plurality of cross rails positioned perpendicular to the deck panels and rails, the cross rails coupled to the rails and supporting angle bars welded to the deck panels, (d) a plurality of angled support members coupled to the base and to the rail legs, (e) a floor coupler attached to the rail leg for providing attachment to the base, (f) a decking coupler attached to the rail leg for providing attachment to the rail, and (g) a ladder slat coupled to the rail having slots to receive cross rails.

Document HU190874 B discloses a multi-purpose trailer for the transport of power-driven tractors mainly for tractors and for transporting farm backyard work, e.g. for transporting heavy-duty animals on the road, with impellers, chassis, sidewalls, rear doors, for example for towing machinery. coupled to a tractor with a drawbar coupling, and a hydraulic working cylinder connected to the hydraulic system of the power machine, so as to engage the arms of the front part of the chassis as the pivot point, the support arms the opposite ends of the chassis are secured to the shaft of the impeller , the holding arms at the end of the impeller are held in place by hydraulic cylinders and an anti-slip locking member and the anti-fall locking member is provided with one or more detachable pins.

Document CN110539809 A discloses a multipurpose semitrailer, which comprises a bottom plate and a main force side plate; the bottom plate is in a step shape, and the front plane of the bottom plate is higher than the rear plane of the bottom plate; the main force side plate is fixedly connected to the front end of the bottom plate; the main force side plate is provided with a front top for jacking the bottom plate. The main force side plate is not bent when the bottom plate is lifted through the front top, and the task can be easily finished; meanwhile, the ultra-low ground clearance of the rear plane of the bottom plate enhances the anti-tilting capability of the semitrailer in the unloading and driving processes.

Document DE202008012470 U1 discloses transport vehicle, in particular semitrailer for transporting substantially vertically positioned objects, such as glass panes, precast concrete slabs, paper rolls or the like. With a rear side open, U-shaped undercarriage and with the goods to be transported pivoted Securing elements, characterized in that the formation of a horizontal loading surface, the securing elements as a pivot plates are formed, which are pivotable from a substantially vertical position to a horizontal position.

Document CN207029342 U discloses a kind of lightweight multipurpose semitrailer, mainly including chassis, side shield, the main compartment, multiple secondary compartment, rear baffle, connector, wheel, and support member. The side shield is installed on the left and right sides on chassis, it is mutually perpendicular to chassis, the main compartment is located at the first half on chassis, the secondary compartment is enclosed in the main compartment, it is connected between chassis by slide rail, the compartment that the secondary compartment is not closed by the both ends of multiple gradual change sizes is formed, and the rear baffle is made up of right side reinforcing plate, middle baffle plate and left side reinforcing plate, the connector is arranged on the front end centre position on chassis, and the wheel is located at the bottom on chassis. The utility model can effectively meet ventilation, the needs of lucifuge by way of being main compartment and the combination of secondary compartment by cabin design, and flexibility is especially good, and the handling of goods can be carried out conveniently by the slope, and durability is also very high.

For this reason, there is a requirement to provide a multipurpose shipping vehicle for transporting fly-ash in bulk with provisions to load bagged cement in return voyage to avoid empty return voyage of the trailer / tipping semi-trailer after unloading its bulk fly ash.

SUMMARY OF THE INVENTION
The following disclosure presents a simplified summary of the invention in order to provide a basic understanding of some aspects of the invention. This summary is not an extensive overview of the present invention. It is not intended to identify the key/critical elements of the invention or to delineate the scope of the invention. Its sole purpose is to present some concept of the invention in a simplified form as a prelude to a more detailed description of the invention presented later.

An objective of the present invention is to overcome the problems of prior art.

An objective of the present invention is to provide a multipurpose tipping semi-trailer for transporting fly-ash in bulk with provisions to load bagged cement in return voyage to avoid empty return voyage of the tipping semi-trailer after unloading its bulk fly ash and to reduce pollution in cement and fly ash logistics.

Yet another objective of the present invention is to provide a multipurpose semitrailer for transporting fly-ash in bulk with provisions to load bagged cement in return voyage to reduce the logistics costs and pollution.

One aspect of the present disclosure is to provide a multipurpose semitrailer for transporting fly-ash in bulk with provisions to load bagged cement in return voyage so that empty return voyage by loading bagged cement in its return journey can be avoided. In the present invention, after discharging the dry bulk fly ash, the trailer/semi-trailer can load bagged cement inside the same vessel used for transporting bulk fly ash. At the unloading station, the dry powdered bulk fly ash is fluidized by injecting air and is discharged from the tipping semi-trailer containment system (vessel) by applying air pressure of about 2.5 barg. The fluidized dry bulk powdered fly ash in the tipping semi-trailer then flows under the influence of pressure and gravity from a discharge cone fitted with at least two additional fluidizers provided at the rear end of the tipping semi-trailer or trailer tank. The vessel is equipped with specially designed slidable carriages on rails to stack cement bags. Loading of the cement bags on the carriage is done through the openable end cover at the rear of the vessel. A tackle on the top side inside the shell facilitates handling of the carriages. Further, each carriage is identical to the other and many such carriages can be built to facilitate palletization. The carriages are equipped with wheels for sliding on the rails.

In one implementation of the first aspect as described above, the invention provides a tipping semi-trailer for road transport of industrial fly ash and bagged cement, said tipping semi-trailer comprising a truck tractor adapted to transport the semitrailer to an unloading station, at least one shell of the tipping semi-trailer, a plurality of manholes positioned on the top of the shell of the semitrailer adapted to load the industrial fly ash via a plurality of industrial chutes, at least one discharge cone fitted with a fluidizer and at least one delivery valve positioned at a rear end cover of the tipping semi-trailer adapted to discharge the industrial fly ash at the unloading station, at least one plenum assembly placed at the bottom surface of the shell of the tipping semi-trailer adapted to fluidize the industrial fly ash during discharge of the industrial fly ash through the discharge cone positioned at the rear end of the tipping semi-trailer, at least one hydraulic ram is located at the forward of the semi-trailer and connected to the forward end cover through a mountable bracket adapted to tilt the tipping semi-trailer during discharge of the industrial fly ash at the unloading station and wherein the semitrailer comprises a plurality of slidable carriages on a plurality of rails arranged adjacent to each other positioned inside the tipping semi-trailer adapted to stack the bagged cement after discharging the industrial fly ash.

In an implementation of the aspect as described above, at the unloading station, the industrial fly ash is fluidized by injecting pressurized air and is discharged from the tipping semi-trailer by applying air pressure of about 2.5 barg.

In an implementation of the aspect as described above, the openable rear end cover is adapted to load the cement bags on the plurality of slidable carriages on the rail inside the tipping semi-trailer

In an implementation of the aspect as described above, the openable rear end cover can be swung to its left side by the plurality of davit mounted on the top left corner of the shell from the rear end of the tipping semi-trailer.

In one implementation of the another aspect of the present invention, the invention provides a method of loading and unloading a tipping semi-trailer for road transport of industrial fly ash and bagged cement, said method comprising loading the industrial fly ash in the tipping semi-trailer through a plurality of manholes positioned on the top of the shell of the semitrailer via a plurality of industrial chutes, transporting the semitrailer to an unloading station by a truck tractor, discharging the industrial fly ash at the unloading station through at least one discharge cone fitted with a fluidizer and at least one delivery valve positioned at a rear end cover of the tipping semi-trailer, fluidizing the industrial fly ash by at least one plenum assembly placed at the bottom surface of the tipping semi-trailer during discharge of the industrial fly ash through the discharge cone positioned at the rear end cover of the tipping semi-trailer, tilting the tipping semi-trailer containing the industrial fly ash at the unloading station by at least one hydraulic ram located at the forward of the vessel and secured to the forward end cover of the tipping semi-trailer wherein the method comprises stacking the bagged cement on a plurality of slidable carriages on rails arranged adjacent to each other positioned inside the shell of the tipping semi-trailer after discharging the industrial fly ash.

In an implementation of the another aspect of the present invention, the invention provides a carriage assembly for use in a tipping semi-trailer, comprising a plurality of channels adapted to form a main skeletal frame of a carriage, a plurality of transverse bars positioned on top of a plurality of angles positioned on the main skeletal frame of the carriage, a plurality of corner supports on the carriage adapted to prevent torsional distortion of the carriage, at least six hollow sections on the top of the main skeletal frame of the carriage, at least four wheels on each side of the carriage adapted to slide the carriage on a rail assembly, at least one carriage lift arrestor adapted to hold the carriage on the rail assembly during transit wherein the rail assembly consists of a v-rail sandwiched between at least two longitudinal angles and the carriage assembly comprises a plurality of bolts adapted to hold the v-rail between the angles and the main skeletal frame of the carriage comprises plurality of spigots on its center, one each at either sides adapted to align with the lifting arrestor.

In an implementation of the aspect as described above, the angles are further bolted and supported on at least two longitudinal thick plates of a shell of the tipping semi-trailer having plurality of internal C-channel members. The angles are bolted onto C channel segment that are welded on the two longitudinal thick plates forming a part of the shell.

In an implementation of the aspect as described above, the carriage assembly comprises a plurality of vertical frame adapted to prevent bagged cement from tipping during the transit.

Other aspects, advantages, and salient features of the invention will become apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses exemplary embodiments of the invention.

BRIEF DESCRIPTION OF ACCOMPANYING DRAWINGS

The above and other aspects, features and advantages of the embodiments of the present disclosure will be more apparent in the following description taken in conjunction with the accompanying drawings, in which:

Figure 1 Illustrates schematic side top view of the multipurpose tipping semi-trailer, according to one of the embodiments of the present invention.

Figure 2 Illustrates schematic front view of the multipurpose tipping semi-trailer, according to one of the embodiments of the present invention.

Figure 3 Illustrates schematic rear view of the multipurpose tipping semi-trailer, according to one of the embodiments of the present invention.

Figure 4 Illustrates schematic left side view of the multipurpose tipping semi-trailer, according to one of the embodiments of the present invention.

Figure 5 Illustrates schematic right side view of the multipurpose tipping semi-trailer, according to one of the embodiments of the present invention.

Figure 6 Illustrates schematic top view of the multipurpose tipping semi-trailer, according to one of the embodiments of the present invention.

Figure 7 Illustrates schematic bottom view of the multipurpose tipping semi-trailer, according to one of the embodiments of the present invention.

Figure 8 Illustrates schematic inside view from the rear end of the vessel with end cover opened of the multipurpose tipping semi-trailer, according to one of the embodiments of the present invention.

Figure 9 Illustrates schematic view of the carriage assembly of the multipurpose tipping semi-trailer, according to one of the embodiments of the present invention.

Figure 10 Illustrates trimetric top view of the multipurpose tipping semi-trailer with rear end cover opened, according to one of the embodiments of the present invention.

Figure 11 Illustrates schematic side view of the carriage assembly of the multipurpose tipping semi-trailer, according to one of the embodiments of the present invention.

Figure 12 Illustrates trimetric top view of the carriage assembly of the multipurpose tipping semi-trailer, according to one of the embodiments of the present invention.

Persons skilled in the art will appreciate that elements in the figures are illustrated for simplicity and clarity and may not have been drawn to scale. For example, the dimensions of some of the elements in the figure may be exaggerated relative to other elements to help to improve understanding of various exemplary embodiments of the present disclosure. Throughout the drawings, it should be noted that like reference numbers are used to depict the same or similar elements, features, and structures.

DETAILED DESCRIPTION OF THE PRESENT INVENTION

The following description with reference to the accompanying drawings is provided to assist in a comprehensive understanding of various embodiments of the present disclosure as defined by the claims and their equivalents. It includes various specific details to assist in that understanding, but these are to be regarded as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. In addition, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

The terms and words used in the following description and claims are not limited to the bibliographical meanings, but, are merely used by the inventor to enable a clear and consistent understanding of the present disclosure. Accordingly, it should be apparent to those skilled in the art that the following description of various embodiments of the present disclosure is provided for illustration purpose only and not for the purpose of limiting the present disclosure as defined by the appended claims and their equivalents.

It is to be understood that the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, a reference to "a component surface" includes a reference to one or more of such surfaces.

All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments belong. Further, the meaning of terms or words used in the specification and the claims should not be limited to the literal or commonly employed sense, but should be construed in accordance with the spirit of the disclosure to most properly describe the present disclosure.

The terminology used herein is for the purpose of describing particular various embodiments only and is not intended to be limiting of various embodiments. As used herein, the singular forms "a," "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising" used herein specify the presence of stated features, integers, steps, operations, members, components, and/or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, members, components, and/or groups thereof. Also, expressions such as "at least one of," when preceding a list of elements, modify the entire list of elements and do not modify the individual elements of the list.

The present invention is directed to provide a multipurpose tipping semi-trailer for transporting fly-ash in bulk with provisions to load bagged cement in return voyage so that empty return voyage by loading bagged cement in its return journey can be avoided and to reduce pollution in cement and fly-ash logistics. In the present invention, after discharging the dry bulk fly ash, the trailer/semi-trailer can load bagged cement inside the same vessel used for transporting bulk fly ash.

The primary concern of the present invention is to permit storage of the cement bags on the carriages, which double up as pallets for automation in logistics of bagged cement. These carriages should also permit dry bulk powder (industrial fly ash) to pass through without much hindrance. Hence, slidable carriages are provided on rails. The invention also provides provision for preventing the cement bags from falling apart and the carriages getting lifted off the rails as the engagement of the parts are concerned. Moreover, the conventional rails present a deposit formation tendency with the fly ash. Hence, the invention employs a v-rail sandwiched between two longitudinal angles. Several bolts are used to hold the rails between the angles. The angles are further bolted to the supporting c-channel sections and the rails are supported over c-channel sections which are welded to the shell (11) of the pressure vessel (semi-trailer). The invention discloses the use of certain locking features for the purpose of transporting without these carriages getting damaged.

As shown in figure 2, the forward end cover (1) of the tipping semi-trailer is an elliptical end cover with parallel middle section, part of pressure vessel and carries the forward tipping gear i.e. hydraulic ram (50). This end cover (1) is welded to the cylindrical vessel. The saddle support (2, 3, 4, 5) as shown in figure 1 is for carrying the entire load of the goods and structure. These saddle supports (2, 3, 4, 5) rest on the tipping semi-trailer C Channel frames. figure 1 and figure 3 also show a rear end cover (6) which is also elliptical with parallel middle section. This cover (6) is open-able. The cover when unbolted (21 and similar on the circumference) can be swung to its left side by the davit (20, 19, and 18) mounted on the shell (top left corner looking from rear end). The end cover also facilitates the discharge of the bulk fly-ash powder, having a discharge piece (7), discharge cone (8) fitted with fluidizers (9), and delivery valve (10).

As shown in figures 1, 4, and 5, the shell (11) of the tipping semi-trailer has two longitudinal thick plates (12). The plate has several internal C-channel members welded to it, which support the rails (104) for the carriage assembly (200). The bagged cement load on the carriage rails is transmitted to the saddles through these sections.

Further, the manhole covers (13) as shown in figures 1, 6, and 10 serve as loading points for bulk fly ash powder, and additionally, some double up as pressure and vacuum relief for the shell (11). The air connections (15, 16, 17) as shown in figure 6 are used to supply pressurized air is supplied into the shell (11) through the connectors.

As shown in figure 1 davit consists of bearing housing (20) that is welded to the shell using a thick doubler plate. The housing accommodates bush bearings and a thrust plate at the bottom. Shaft (19) is rigidly welded to an I-beam cantilever with corner support. The rear end cover (6) houses welded bearing housings (23). Hinge links (24) connect rear end cover to davit hinge lever (18) by riveting. The arm can be secured additionally to end cover through a plate bolted at (22).

As shown in figure 7 pressurized air is supplied to the fluidizing plenum assembly provided inside in the bottom of the shell through the connector (35). Further, figure 8 shows the rear lock (101) and vertical frame (102). Rear lock (101) acts as a locking device for the sliding carriages (200) and the vertical frame is to prevent cement bags from tripping during transit. The vertical frame assembly (102) is provided one each for the forward end and the aft end carriages. This fits as a module into the provision made in the carriages (200). All the carriages are identical to each other. It also shows a lifting tackle that is welded to the shell (11) at the aft center top. This facilitates the handling of the carriages during unloading and loading. Further, the lifting arrestors (106) as shown in this figure are shaped c-channel sections which are used to prevent the carriages from lifting off the rails during transit. The c-channels are fitted onto the rail assembly by bolting. Spigots (107) are provided on the center of the frame of the carriage, one each at either side. The lifting arrestors (106) are aligned with these spigots and together provide the lifting arresting mechanism to the carriages

Spigots (107) are welded members to the carriage assembly frame. There are two spigots on each carriage located at the midway on either side. They are used in lifting arresting mechanism together with the lifting arrestors (106)

As shown in Figures 8, 9, and 10, the rail assembly (104) consists of a v-rail sandwiched between two long angles and bolted together. The rail assembly is supported on small c-channel sections (110) welded onto the thick longitudinal plating (12). The rail assembly (104) is fitted by bolts onto the c-channel sections.

As shown in figures 11 and 12, carriage assemblies (200) are slide-able pallets on rails (104). They carry cement bags inside the shell. They also function to provide a flat base, protection to the fluidizing plenum for the fly ash. The pallets can be used in the automation of the cement bag transport

In one embodiment of the present invention, a tipping semi-trailer for road transport of industrial fly ash and bagged cement, said semitrailer comprising a truck tractor adapted to transport the semitrailer to an unloading station, at least one shell (11) of the tipping semi-trailer, a plurality of manholes (13) positioned on the top of the shell (11) of the semitrailer adapted to load the industrial fly ash via a plurality of industrial chutes, at least one discharge cone (8) fitted with a fluidizer (9) and at least one delivery valve (10) positioned at a rear end cover (6) of the tipping semi-trailer adapted to discharge the industrial fly ash at the unloading station, at least one plenum assembly placed at the bottom surface of the shell (11) of the tipping semi-trailer adapted to fluidize the industrial fly ash during discharge of the industrial fly ash through the discharge cone (8) positioned at the rear end of the tipping semi-trailer, at least one hydraulic ram (50) located at a forward end cover (1) of the tipping semi-trailer adapted to tilt the tipping semi-trailer during discharge of the industrial fly ash at the unloading station and wherein the semitrailer comprises a plurality of slidable carriages on a plurality of rails (104) arranged adjacent to each other positioned inside the tipping semi-trailer adapted to stack the bagged cement after discharging the industrial fly ash.

In another embodiment of the present invention, at the unloading station, the industrial fly ash is fluidized by injecting pressurized air and is discharged from the tipping semi-trailer by applying air pressure of about 2.5 barg.

In another embodiment of the present invention, the openable rear end cover (6) is adapted to load the cement bags on the plurality of slidable carriages on the rail inside the tipping semi-trailer

In another embodiment of the present invention, the openable rear end cover (6) can be swung to its left side by the plurality of davit (20, 19, and 18) mounted on the top left corner from the rear end of the tipping semi-trailer.

In another embodiment of the present invention, the shell (11) of the tipping semi-trailer comprises of at least two longitudinal thick plates (12) having a plurality of internal C-channel members welded to it.

In another embodiment of the present invention, the plurality of internal C-channel members adapted to support the rails (104) for the plurality of slidable carriages.

In another embodiment of the present invention, the shell (11) comprises a plurality of air connections (14, 15, 16, 17) positioned on the top of the shell (11) adapted to supply pressurized air into the shell (11).

In another embodiment of the present invention, the plurality of manholes (13) comprises a plurality of covers that are screwed tightly after loading the industrial fly ash in the tipping semi-trailer.

In another embodiment of the present invention, the tipping semi-trailer comprises a plurality of saddle support (2, 3, 4, 5) adapted to support the structure of the tipping semi-trailer and load of the industrial fly ash and bagged cement.

In another embodiment of the present invention, the plurality of saddle support (2, 3, 4, 5) rests on a C-channel frame of the tipping semi-trailer.

In another embodiment of the present invention, the semitrailer comprises at least one hinge lever (18) operably connected to the rear end cover (6) and positioned on the top of the shell (11) of the tipping semi-trailer.

In another embodiment of the present invention, the front end cover (1) comprises at least one mounting bracket (51) adapted to fasten the at least one hydraulic ram (50) with the front end cover (1).

In another embodiment of the present invention, the front end cover (1) comprises at least one air connection (35) to the plenum assembly placed at the bottom surface of the shell (11) of the tipping semi-trailer.

In another embodiment of the present invention, the tipping semi-trailer comprises at least one rear lock (101) adapted to lock the plurality of slidable carriages on the plurality of rails (104).

In another embodiment of the present invention, the tipping semi-trailer comprises at least one lifting tackle (105) welded to the rear top-end center of the shell (11) adapted to facilitate the handling of the slidable carriages during unloading and loading of the bagged cement.

In another embodiment of the present invention, a method of loading and unloading a tipping semi-trailer for road transport of industrial fly ash and bagged cement, said method comprising loading the industrial fly ash in the tipping semi-trailer through a plurality of manholes (13) positioned on the top of the shell (11) of the semitrailer via a plurality of industrial chutes, transporting the semitrailer to an unloading station by a truck tractor, discharging the industrial fly ash at the unloading station through at least one discharge cone (8) fitted with a fluidizer (9) and at least one delivery valve (10) positioned at a rear end cover (6) of the tipping semi-trailer, fluidizing the industrial fly ash by at least one plenum assembly placed at the bottom surface of the tipping semi-trailer during discharge of the industrial fly ash through the discharge cone (8) positioned at the rear end cover (6) of the tipping semi-trailer, tilting the tipping semi-trailer containing the industrial fly ash at the unloading station by at least one hydraulic ram (50) located at the forward end cover (1) of the tipping semi-trailer wherein the method comprises stacking the bagged cement on a plurality of slidable carriages on rails arranged adjacent to each other positioned inside the shell (11) of the tipping semi-trailer after discharging the industrial fly ash.

In another embodiment of the present invention, a carriage assembly (200) for use in a tipping semi-trailer, comprising a plurality of channels adapted to form a main skeletal frame of a carriage, a plurality of transverse bars positioned on top of a plurality of angles positioned on the main skeletal frame of the carriage, a plurality of corner supports on the carriage adapted to prevent torsional distortion of the carriage, at least six hollow sections on the top of the main skeletal frame of the carriage, at least four wheels on each side of the carriage adapted to slide the carriage on a rail assembly (104), at least one carriage lift arrestor (106) adapted to hold the carriage on the rail assembly (104) during transit wherein the rail assembly (104) consists of a v-rail sandwiched between at least two longitudinal angles and the carriage assembly comprises a plurality of bolts adapted to hold the v-rail between the angles and the main skeletal frame of the carriage comprises plurality of spigots (107) on its center, one each at either sides adapted to align with the lifting arrestor (106).

In another embodiment of the present invention, the angles are further bolted and supported on at least two longitudinal thick plates (12) of a shell (11) of the tipping semi-trailer having a plurality of internal C-channel members

In another embodiment of the present invention, the carriage assembly comprises a plurality of vertical frame (102) adapted to prevent bagged cement from tipping during the transit.

In another embodiment of the present invention, the plurality of vertical frame (102) is provided one each for the forward end and the rear end of the carriage.

In another embodiment of the present invention, the rail assembly (104) comprises at least one forward end stopper adapted to arrest the movement of the carriage on the rail beyond a specific point.

Some of the non-limiting advantages of the present invention are as follows:

-Avoiding empty return voyage of the truck by loading bagged cement in its return journey.
-Enhancing the utilization factor of the asset.
-Reducing logistics assets size.
-Reducing pollution.
-The arrangement promises scope for enhancing automation of the logistics operations as the carriages are withdrawable.
-Preventing the cement bags from falling apart and the carriages getting lifted off the rails.

Those skilled in the art will recognize other use cases, improvements, and modification to the embodiments of the present disclosure. All such improvements and other use-cases are considered within the scope of the concepts disclosed herein.