Claims:1. An orchard harvester with adjustable track width and improved stability for different terrains, comprising of:

a. a chassis (101), having a front end (103) and a rear end (103), wherein the front end (103) comprises a first side (104), a second side (105) and a plurality of sets of apertures, including but not limited to, a first set of apertures (115), a second set of apertures (116), a third set of apertures (117), a fourth set of apertures (118), a fifth set of apertures (119), a sixth set of apertures (120), a seventh set of apertures (121) and a eighth set of apertures (122);
b. a first wheel base assembly (106), fastened at the first side (104) of the front end (103), wherein the first wheel base assembly (106) is fastened on one of the plurality of sets of apertures (115, 117, 119, 121) by a plurality of bolts and nuts;
c. a second wheel base assembly (107), fastened at the second side (105) of the front end (103), wherein the second wheel base assembly (107) is fastened on one of the plurality of sets of apertures ( 116, 118, 120, 122) by a plurality of bolts and nuts; and
d. a wheel assembly (108), attached to the rear end (102) of the chassis (101), wherein the wheel assembly (108) is attached by means of a mechanical linkage.

2. An orchard harvester with adjustable track width and improved stability as claimed in claim 1, wherein the first wheel base assembly (106) comprising of:

a. a first mounting plate (109), associated with the plurality of sets of apertures on the chassis (101);
b. a first wheel hub assembly (111), associated with the first mounting plate (109);
c. a first wheel (113), mounted on the first wheel hub assembly (111), wherein the first mounting plate (109) is positioned above the centre axis of the first wheel (113).

3. An orchard harvester with adjustable track width and improved stability as claimed in claim 1, wherein the second wheel base assembly (107) comprising of:

a. a second mounting plate (110), said second mounting plate (110) is associated with the plurality of sets of apertures on the chassis (101);
b. a second wheel hub assembly (112), said second wheel hub (112) is associated with the second mounting plate (110);
c. a second wheel (114), said second wheel (114) is mounted on the second wheel hub assembly (112), wherein the second mounting plate (110) is positioned above the centre axis of the second wheel (114).

4. An orchard harvester with adjustable track width and improved stability as claimed in claim 1, claim 2 and claim 3, wherein the first wheel base assembly (106) is a left wheel base assembly and the said second wheel base assembly (107) is a right wheel base assembly.

5. An orchard harvester with adjustable track width and improved stability as claimed in claim 1, wherein the plurality of set of apertures ranges from 2 to 32 sets, preferably ranges from 6 to 12 sets of apertures.

6. An orchard harvester with adjustable track width and improved stability as claimed in claim 1, claim 2 and claim 3, wherein the first mounting plate (109) and the second mounting plate (110) comprises a plurality of holes, wherein the plurality of holes are arranged in accordance with the plurality of sets of apertures on the chassis.

7. A method of improving the stability of an orchard harvester, comprising of:
a. fastening the first wheel base assembly (106) to the second side (105) of the front end (103), wherein the first mounting plate (109) is positioned below the centre point of the first wheel (113);
b. fastening the second wheel base assembly (107) to the first side (104) of the front end (103), wherein the second mounting plate (110) is positioned below the centre point of the second wheel (114).

8. A method of improving the stability of an orchard harvester as claimed in claim 7, wherein said first wheel base assembly (106) is a left wheel base assembly and said second wheel base assembly (107) is right wheel base assembly.

9. A method of improving the stability of an orchard harvester as claimed in claim 7, further comprising of: fastening the first wheel base assembly (106) to the second set of apertures (116); and fastening the second wheel base assembly (107) to the first set of apertures (115), wherein the first wheel base assembly (106) and the second wheel base assembly (107) is interchanged.

10. A method for improving stability of an orchard harvester as claimed in claim 7 and claim 9, wherein the track width of the orchard harvester is minimum and the ground clearance is reduced.

11. A method of improving the stability of an orchard harvester as claimed in claim 7, further comprising of: fastening the first wheel base assembly (106) to the fourth set of apertures (118); and fastening the second wheel base assembly (107) to the third set of apertures (117), wherein the first wheel base assembly (106) and the second wheel base assembly (107) is interchanged.

12. A method for improving stability of an orchard harvester as claimed in claim 7 and claim 11, wherein the track width of the orchard harvester is narrow and the ground clearance is reduced.

13. A method of improving the stability of an orchard harvester as claimed in claim 7, further comprising of: fastening the first wheel base assembly (106) to the sixth set of apertures (120); and fastening the second wheel base assembly (107) to the fifth set of apertures (119), wherein the first wheel base assembly (106) and the second wheel base assembly (107) is interchanged.

14. A method for improving stability of an orchard harvester as claimed in claim 7 and claim 13, wherein the track width of the orchard harvester is broad and the ground clearance is reduced.

15. A method of improving the stability of an orchard harvester as claimed in claim 7, further comprising of: fastening the first wheel base assembly (106) to the eighth set of apertures (122); and fastening the second wheel base assembly (107) to the seventh set of apertures (121), wherein the first wheel base assembly (106) and the second wheel base assembly (107) is interchanged.

16. A method for improving stability of an orchard harvester as claimed in claim 7 and claim 15, wherein the track width of the orchard harvester is maximum and the ground clearance is reduced.
, Description:ORCHARD HARVESTER HAVING HIGH STABILITY AND A METHOD THEREOF
FIELD OF THE INVENTION:
The present invention relates to farm vehicles. In particular the present invention relates to the orchard harvester having high stability by adjusting the track width and interchanging the wheel assemblies.
BACKGROUND OF THE INVENTION:
Orchard harvester is a farm vehicle used for fruit harvesting, pruning, spraying, and tree cutting operations. The orchard harvester is a three wheeled vehicle having hydrostatic transmission to have good drive-ability and controllability, the elevating boom assembly allows you to reach the required height for performing agricultural operations. Vehicle stability acts as an important parameter for the performance of the orchard harvester. For different terrain, stability condition required for the orchard harvester vehicle is different, like for a specific terrain orchard harvester's ground clearance and track width should be high. Similarly, for certain terrain, harvester vehicle ground clearance should be low and track width should be high. Presently there is no orchard harvester vehicle is having advantage of adjustable track width with interchangeable wheel assemblies.
EP2388153 discloses a vehicle having variable track width comprising a front axle with a pair of front wheels having a track width adjustable between a wide track and a narrow track. A rear axle with a rear wheel, track width control means configured to change the track width of the front wheels and steering means configured to control the turn of the rear wheel of the rear axle which is the drive axle of the vehicle.
WO2002100160 provides an inclinable all wheel drive vehicle with self-leveling chassis and self-locking mechanism in motion or at rest, on level or laterally pitched ground. The vehicle has front and rear axle frames independently pivoted about a horizontal central chassis. An automatic tilt sensor controls hydraulics or motor to maintain vehicle's cabin level.
CN20152280599 relates to an auto wheel's adjustable track structure, it includes: frame and the wheel group having a revolver and right side wheel, two pivots cup jointed through the transmission cover, pivot promptly keeps relatively fixed with the transmission cover on circumference running direction, and transmission cover realization axial direction's removal can be followed in pivot at that time, just so can adjust the interval between two wheels to the change of adaptation track width.
DE3534626 discloses a hydraulic excavator with adjustable track-laying gear having a chassis which has adjustable track-laying units in order to adjust the track width. The track-laying units are connected to the lower carriage via parallelogram-forming pairs of link arms, which are pivoted about horizontal axes, as simple adjusting and driving means for changing the travel gear between a widened operating position and a narrower transport position. In the approximately horizontal position of the link arms, the track-laying units are furthest away from the lower carriage and are secured by stop and locking means. In order to reduce the track width, the locking is released so that, as a result of the swivelling movement of the link arms, the lower carriage is simultaneously lowered with respect to the track-laying units and the track-laying units move closer to the lower carriage.
All of the above cited prior-art document deals with vehicles having adjustable track width, but none of them address the problems associated with ground clearance or improving the stability of the vehicle over different terrains. Further none of the prior art documents deals with harvester having interchangeable wheel assemblies, in particular orchard harvester. Therefore, there is need in art to provide an orchard harvester with improved stability having adjustable track width and adjustable ground clearance with interchangeable wheel base assembly without consuming much effort and time.
OBJECTIVES OF THE INVENTION
The main objective of the present invention is to provide an orchard harvester having high stability.
Second objective of the present invention is to provide the orchard harvester whose track width is adjustable.
Third objective of the present invention is to provide the orchard harvester whose ground clearance is adjustable and thus the centre of gravity of the orchard harvester is adjustable.
Fourth objective of the present invention is to provide the orchard harvester with interchangeable wheel base assembly.
SUMMARY OF THE INVENTION
An orchard harvester with adjustable track width and improved stability for different terrains, comprises of, a chassis (101), a wheel assembly (108), a first wheel base assembly (106), a second wheel base assembly (107), wherein said wheel assembly (108) is attached to rear end (102) of the chassis (101), wherein said first wheel base assembly (106) is fastened to the first side (104) of the front end (103) of the chassis (101) and the second wheel base assembly (107) is fastened to the second side (105) of the front end (103) of the chassis (101). By adjusting the distance between the first wheel base assembly (106) and the second wheel base assembly (107), the track width of the orchard harvester is varied. Furthermore, the stability of the orchard harvester is increased by fastening the first wheel base assembly (106) on the second side (105) of the front end (103) of the chassis (101) and fastening the second wheel base assembly (107) on the first side (104) of the front end (103) of the chassis (101), wherein the first wheel base assembly (106) and the second wheel base assembly (107) is interchanged, this reduces the ground clearance and centre of gravity of the orchard harvester, thereby improving the stability of the orchard harvester.
BRIEF DESCRIPTION OF THE DIAGRAM
Figure 1 depicts the adaptable chassis of the orchard harvester.
Figure 2 shows an embodiment of the present invention with narrowest track width of the orchard harvester.
Figure 3 illustrates an embodiment of the present invention with narrow track width of the orchard harvester.
Figure 4 depicts an embodiment of the present invention with broad track width of the orchard harvester.
Figure 5 illustrates an embodiment of the present invention with broadest track width of the orchard harvester.
Figure 6 shows the ground clearance of the orchard harvester without interchanging the wheel base assemblies.
Figure 7 depicts the ground clearance of the orchard harvester without interchanging the wheel base assemblies.
Figure 8 shows the reduced ground clearance of the orchard harvester due to interchanging of the wheel base assemblies.
Figure 9 depicts the reduced ground clearance of the orchard harvester due to interchanging of the wheel base assemblies.
DETAILED DESCRIPTION OF THE INVENTION
The present invention as embodied by the " orchard harvester having high stability and a method thereof", succinctly fulfils the above-mentioned need(s) in the art. The present invention has objective(s) arising as a result of the above-mentioned need(s), said objective(s) being enumerated below. In as much as the objective(s) of the present invention are enumerated, it will be obvious to a person skilled in the art that, the enumerated objective(s) are not exhaustive of the present invention in its entirety, and are enclosed solely for the purpose of illustration. Further, the present invention encloses within its scope and purview, any structural alternative(s) and/or any functional equivalent(s) even though, such structural alternative(s) and/or any functional equivalent(s) are not mentioned explicitly herein or elsewhere, in the present disclosure. The present invention therefore encompasses also, any improvisation(s)/modification(s) applied to the structural alternative(s)/functional alternative(s) within its scope and purview. The present invention may be embodied in other specific form(s) without departing from the spirit or essential attributes thereof.
Throughout this specification, the use of the word "comprise" and variations such as "comprises" and "comprising" may imply the inclusion of an element or elements not specifically recited.
An orchard harvester with adjustable track width and improved stability for different terrains, comprises of : a chassis (101), said chassis (101) having a front end (103) and rear end (102), wherein said front end (103) comprises a first side (104) and a second side (105), said second end (103) consists of a plurality of sets of apertures including a first set of apertures (115), a second set of apertures (116), a third set of apertures (117), a fourth set of apertures (118), a fifth set of apertures (119), a sixth set of apertures (120), a seventh set of apertures (121) and a eight set of apertures (122); a first wheel base assembly (106), fastened at the first side (104) of the front end (103) on one of the plurality of set of apertures (115, 117, 119, 121) by a plurality of nuts and bolts; a second wheel base assembly (107), fastened at the second side (105) of the front end (103) on one of the plurality of set of apertures( 116, 118, 120, 122) by a plurality of nuts and bolts; and a wheel assembly (108) attached to the rear end (102) of the chassis (101), wherein the wheel assembly (108) is attached by means of a mechanical linkage.
Preferably, wherein the first wheel base assembly (106) is the left wheel base assembly, the second wheel base assembly (107) is a right wheel base assembly.
In an embodiment, said first wheel base assembly (106) comprises of, a first mounting plate (109); a first wheel hub assembly (111), associated with the first mounting plate (109); and a first wheel (113), said first wheel (113) is mounted on the first wheel hub assembly (111), wherein the first mounting plate (109) is positioned above the centre axis of the first wheel (113). The second wheel base assembly (107) comprises of, a second mounting plate (110); a second wheel hub assembly (112), associated with the second mounting plate (110); and a second wheel (114), said second wheel (114) is mounted on the second wheel hub assembly (112), wherein the second mounting plate (110) is positioned above the centre axis of the second wheel (114), wherein the first mounting plate (109) and the second mounting plate (110) consists of a plurality of holes arranged in accordance with the plurality of set of apertures (115, 116, 117, 118, 119, 120, 121 and 122).
In the preferred embodiment, wherein the plurality of set of apertures ranges from 2 to 32 sets of apertures, preferably ranges from 6 to 12 sets of apertures.
In the second embodiment, said first wheel base assembly (106) is fastened at the second side (105) of the front end (103), wherein the first mounting plate (109) is the positioned below the centre point of the first wheel (113); said second wheel base assembly (107) is fastened at the first side (104) of the front end (103), wherein the second mounting plate (110) is positioned below the centre point of the second wheel (114); the said arrangement reduces the ground clearance and thus increases the stability of the orchard harvester vehicle.
In the third embodiment, a method of improving the stability of the orchard harvester, comprising of, fastening the first wheel base assembly (106) to the first set of apertures (115); and fastening the second wheel base assembly (107) to the second set of apertures (116), making the track width of the orchard harvester minimum.
In the fourth embodiment, a method of improving the stability of the orchard harvester, comprising of, fastening the first wheel base assembly (106) to the third set of apertures (117); and fastening the second wheel base assembly (107) to the fourth set of apertures (118), making the track width of the orchard harvester narrow.
In the fifth embodiment, a method of improving the stability of the orchard harvester, comprising of, fastening the first wheel base assembly (106) to the fifth set of apertures (119); and fastening the second wheel base assembly (107) to the sixth set of apertures (120), making the track width of the orchard harvester broad.
In the sixth embodiment, a method of improving the stability of the orchard harvester, comprising of, fastening the first wheel base assembly (106) to the seventh set of apertures (121); and fastening the second wheel base assembly (107) to the eighth set of apertures (122), making the track width of the orchard harvester maximum.
In the seventh embodiment, a method of improving the stability of the orchard harvester, comprising of, fastening the first wheel base assembly (106) to the second set of apertures (116); and fastening the second wheel base assembly (107) to the first set of apertures (115), wherein interchanging of the first wheel base assembly (106) and the second wheel base assembly (107) reduces the ground clearance of the orchard harvester, making the track width of the orchard harvester to minimum and thereby reducing the centre of gravity of the orchard harvester.
In the eighth embodiment, a method of improving the stability of the orchard harvester, comprising of, fastening the first wheel base assembly (106) to the fourth set of apertures (118); and fastening the second wheel base assembly (107) to the third set of apertures (117), wherein interchanging of the first wheel base assembly (106) and the second wheel base assembly (107) reduces the ground clearance of the orchard harvester, making the track width of the orchard harvester narrow and thereby reducing the centre of gravity of the orchard harvester.
In the ninth embodiment, a method of improving the stability of the orchard harvester, comprising of, fastening the first wheel base assembly (106) to the sixth set of apertures (120); and fastening the second wheel base assembly (107) to the fifth set of apertures (119), wherein interchanging of the first wheel base assembly (106) and the second wheel base assembly (107) reduces the ground clearance of the orchard harvester, making the track width of the orchard harvester broad and thereby reducing the centre of gravity of the orchard harvester.
In the tenth embodiment, a method of improving the stability of the orchard harvester, comprising of, fastening the first wheel base assembly (106) to the eighth set of apertures (122); and fastening the second wheel base assembly (107) to the seventh set of apertures (121), wherein interchanging of the first wheel base assembly (106) and the second wheel base assembly (107) reduces the ground clearance of the orchard harvester, making the track width of the orchard harvester the maximum and thereby reducing the centre of gravity of the orchard harvester.
In the present invention the track width of the vehicle is adjusted by changing the mounting positions of the wheel mounting assemblies. Thereby the stability of the vehicle is adjusted with respect to the terrain in which the vehicle works. Further the wheel assemblies are interchanged to improve stability, with in each track width adjustment (wheel mounting position), this reduces the ground clearance of the vehicle bringing the Centre of Gravity of the vehicle close to the ground so the stability of the vehicle is again varied with respect to the terrain in which the machine works. Therefore the stability of the machine is improved by easy adjustment of the track width and interchangeable wheel base assemblies of drive wheel.
It will be apparent to a person skilled in the art that the above description is for illustrative purposes only and should not be considered as limiting. Various modifications, additions, alterations, and improvements without deviating from the spirit and the scope of the invention may be made by a person skilled in the art.