Claims:We claim:
1. A fixture (100) for movement of welding components of an orbital TIG welding machine, the fixture (100) comprises:
an arch shaped frame (101) having horizontal bars (106a, 106b) provided at bottom of each vertical column (101b, 101c) of the arch shaped frame (101);
a rail arrangement (102) to facilitate movement of the arch shaped frame (101) along the length of the rail arrangement (102), wherein a pair of motorized wheels (107) are provided at bottom of each horizontal bars (106a, 106b) of the arch shaped frame (101) to provide rolling ability to the frame (101);
two stands (103a, 103b, 103c, 103d) provided on each side of the arch shaped frame (101) to accommodate non-moving components of the orbital TIG welding machine;
a roller arrangement (104) provided to accommodate moving components of the orbital TIG welding machine;
two separate column (105a, 105b), erected alongside each end of one of the rails, with their top ends connected with a steel rope (108) to accommodate trailing cable (109) via round insulators (110) to guide the movement of the trailing cable (109).
2. The fixture (100) as claimed in claim 1, wherein the non-moving components includes a suction pump, a chiller unit, an argon cylinder and a welding power source.
3. The fixture (100) as claimed in claim 1 or 2, wherein the non-moving components are arranged in the stands on each side of the frame (101) in such a way that distribution of weight is even on both sides of the arch shaped frame (101).
4. The fixture (100) as claimed in claim 1, wherein the moving components includes a pendant cable, clamp arrangement, earth clamp with cable and “D” head with cable.
5. The fixture (100) as claimed in claim 1, wherein the roller arrangement (104) comprises:
a plurality of suspended bars (301) fixedly attached at the bottom face of horizontal top bar (101a) of the arch shaped frame (101);
a plurality of hollow square boxes (302), having a slot opening (302a) in bottom, fixedly provided transversally on the bottom face of the plurality of suspended bars (301); and
a sliding arrangement (303), slidably arranged in each of the plurality of hollow square boxes (302), to accommodate the moving component.
6. The fixture (100) as claimed in claim 5, wherein the sliding arrangement (303) comprises:
a flange (501) slidably arranged in each of the hollow square boxes (302) by means of bearings (503), washer (504), circlip (505) and axle arrangement (506);
a U bolt (502) bolted to each of the flanges (501); and
a pulley block mounted on the U-bolts (502) to accommodate the moving components.
7. The fixture (100) as claimed in claim 1, wherein a light unit is provided on the horizontal top bar (101a) to provide better illumination while operation of the orbital TIG welding machine.
8. The fixture (100) as claimed in claim 1, wherein the stands (103a, 103b, 103c, 103d) are fabricated as per the dimensional specification of the non-moving components to eliminate movement of non-moving components during movement of the moving components.
9. The fixture (100) as claimed in claim 5, wherein the plurality of suspended bars (301) are fixedly attached at, equal interval, at the bottom face of horizontal top bar (101a) of the arch shaped frame (101).
10. The fixture (100) as claimed in claim 5, wherein the plurality of hollow square boxes (302) maintain equal gaps among each other.
11. The fixture (100) as claimed in claim 1, wherein the height of the arch shaped frame (101) is equivalent to the job stand at which welding operation is performed for comfort of the operator.
, Description:A FIXTURE FOR MOVEMENT OF WELDING COMPONENTS OF AN ORBITAL TIG WELDING MACHINE
FIELD OF THE INVENTION
[001] The present disclosure, in general, relates to orbital TIG welding machine. The present disclosure, in particular, relates to a fixture for movement of welding components of an orbital TIG welding machine without causing any damage to the cables and the components and also to ensure welding a joint at any location in the specified work area.
BACKGROUND OF THE INVENTION
[002] The procurement of the Orbital Welding machine comes with a” D” head, pendant, earth connection, welding machine, exhaust system, chiller systems and the associated cables with the components. According to the configuration of a coil where this machine is extensively used, welding has to be carried out at different locations through the length and breadth of the coil. With the present setup, the welding power source, the chiller and the exhaust systems has to be fixed at a location and the associated cables has to be moved to the location required. This will cause damage to the cables as it has to be dragged each and every time and will cause frequent damage to the components.
[003] Due to damages occurred to the cable, the orbital TIG welding machine often needs maintenance. This will increase the machine down time and reduce the availability of the machine. This being the most critical machine and from the number of machines procured, design of a handling equipment for the machine to suit operational purpose is essential.
[004] Therefore, there is a need to develop a fixture for movement of welding components of an orbital TIG welding machine which can obviate the drawbacks mentioned above.
OBJECT OF THE INVENTION
[005] It is therefore an object of the present invention, to solve the aforementioned and other drawbacks existing in the existing orbital TIG welding machine.
[006] Another primary object of the present invention is to provide a fixture for movement of welding components of an orbital TIG welding machine to protect cables and the components from being damaged due to movement while operation.
[007] Yet another objective of the present invention is to provide a fixture for movement of welding components of an orbital TIG welding machine to minimize the changeover time.
[008] Yet another object of the present invention is to provide a fixture for movement of welding components of an orbital TIG welding machine to provide stability to the components of the orbital TIG welding machine.
[009] Yet another object of the present invention is to provide a fixture for movement of welding components of an orbital TIG welding machine to provide better ergonomics to the operator while operating the orbital TIG welding machine.
SUMMARY OF THE INVENTION
[0010] One or more drawbacks of conventional bushings, and additional advantages are provided through the fixture as claimed in the present disclosure. Additional features and advantages are realized through the technicalities of the present disclosure. Other embodiments and aspects of the disclosure are described in detail herein and are considered to be a part of the claimed disclosure.
[0011] The present subject matter relates to a fixture for movement of welding components of an orbital TIG welding machine. The fixture comprises an arch shaped frame, a rail arrangement, two stands provided on each side of the arch shaped frame, a roller arrangement and two separate columns. The arch shaped frame has horizontal bars provided at bottom of each vertical column. The rail arrangement is provided to facilitate movement of the arch shaped frame along the length of the rail arrangement. A pair of motorized wheels are provided at bottom of each horizontal bars of the arch shaped frame to provide rolling ability to the frame. Two stands are provided on each side of the arch shaped frame to accommodate non-moving components of the orbital TIG welding machine. The roller arrangement is provided to accommodate moving components of the orbital TIG welding machine. The separate columns are erected alongside each end of one of the rails. The top ends of the separate columns are connected with a steel rope to accommodate a trailing cable via round insulators to guide the movement of the trailing cable.
[0012] In an aspect, the non-moving components includes a suction pump, a chiller unit, an argon cylinder and a welding power source.
[0013] In an aspect, the non-moving components are arranged in the stands on each side of the frame in such a way that distribution of weight is evenly on both sides of the arch shaped frame.
[0014] In an aspect, the moving components includes a pendant cable, clamp arrangement, earth clamp with cable and “D” head with cable.
[0015] In an aspect, the roller arrangement comprises a plurality of suspended bars, a plurality of hollow square boxes and a sliding arrangement provided on each of the plurality of hollow square boxes. The plurality of suspended bars are fixedly attached at the bottom face of horizontal top bar of the arch shaped frame. The plurality of hollow square boxes has a slot opening in bottom. The plurality of hollow square boxes are fixedly provided transversally on the bottom face of the plurality of suspended bars. The sliding arrangement is slidably arranged in each of the plurality of hollow square boxes to accommodate the moving component.
[0016] In an aspect, the sliding arrangement comprises a flange, a U bolt and a pulley block. The flange is slidably arranged in each of the hollow square boxes by means of bearing, washer, circlip and axle arrangement. The U-bolt is bolted to the flanges. The pulley block is mounted on the U-bolts to accommodate the moving components.
[0017] In an aspect, a light unit is provided on the horizontal top bar to provide better illumination while operation of the orbital TIG welding machine.
[0018] In an aspect, the stands are fabricated as per the dimensional specification of the non-moving components to eliminate movement of non-moving components during movement of the moving components.
[0019] In an aspect, the plurality of suspended bars are fixedly attached at, equal interval, at the bottom face of horizontal top bar of the arch shaped frame.
[0020] In an aspect, the plurality of hollow square boxes maintain equal gaps among each other.
[0021] In an aspect, the height of the arch shaped frame is equivalent to the job stand at which welding operation is performed for comfort of the operator.
[0022] In order to further understand the characteristics and technical contents of the present invention, a description relating thereto has been made with reference to the accompanying drawings. However, the drawings are illustrative only but not used to limit scope of the present subject matter.
BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWINGS
[0023] Further objects and advantages of this invention will be more apparent from the description when read in conjunction with accompanying drawings of exemplary embodiments of invention and wherein:
[0024] Figure 1 illustrates isometric view of a fixture for movement of welding components of an orbital TIG welding machine according to one of the embodiment of present subject matter;
[0025] figure 2 illustrating top view, front view and side view of the fixture for movement of welding components of an orbital TIG welding machine according to one of the embodiment of present subject matter;
[0026] Figure 3 illustrates a roller arrangement for movement of the moving components of the orbital TIG welding machine according to one of the embodiment of the present subject matter;
[0027] Figure 4 illustrates roller arrangement with plurality of square boxes according to one of the embodiment of present subject matter; and
[0028] Figure 5 illustrates a sliding arrangement according to one of the embodiment of present subject matter.
DETAILED DESCRIPTION OF THE INVENTION
[0029] The present invention discloses a fixture 100 for movement of welding components of an orbital TIG welding machine. The fixture 100 facilitate welding at any location through the length and breadth of a coil of a high pressure high temperature boiler. The fixture 100 eliminates the scope for any wear and tear due to movement of the cables. Further, the fixture 100 optimize the changeover time after completion of a weld.
[0030] Referring to figure 1 and figure 2 illustrating an isometric view, front view, side view and top of the fixture 100 for movement of welding components of an orbital TIG welding machine according to one of the embodiment of present subject matter. The fixture 100 comprises an arch shaped frame 101, a rail arrangement 102, two stands 103a, 103b, 103c, 103d provided on each side of the arch shaped frame 101, a roller arrangement 104 and two separate columns 105a, 105b. The arch shaped frame 101 is preferably a rectangular arch shaped frame having a horizontal top bar 101a and two vertical columns 101b, 101c forming an arch shaped structure. A horizontal bar 106a, 106b is provided at bottom of each vertical column 101b, 101c of the arch shaped frame 101. The height of the arch shaped frame 101 is equivalent to the job stand at which welding operation is performed for comfort of the operator during welding.
[0031] The rail arrangement 102 is provided to facilitate movement of the arch shaped frame 101 along the length of the rail arrangement 102. Further, to facilitate this movement, a pair of motorized wheels 107 are provided at bottom of each horizontal bars of the arch shaped frame 101 which provides rolling ability to the frame 101.
[0032] Two stands 103a, 103b, 103c, 103d (total four) are provided on each side of the arch shaped frame 101 to accommodate non-moving components of the orbital TIG welding components. The non-moving components of the TIG welding machine includes a suction pump, a chiller unit, an argon cylinder and a welding power source. These components have different mass and different centre of gravity. The non-moving components are arranged on the stands 103a, 103b, 103c, 103d, provided on each side of the arch shaped frame 101, in such a way, that distribution of weight is even on both side of the arch shaped frame 101. These stands 103a, 103b, 103c, 103d are fabricated as per the dimensional specification of the non-moving components to eliminate movement of non-moving components during movement of the moving components.
[0033] The roller arrangement 104 is provided to accommodate moving components of the orbital TIG welding machine. The separate columns 105a, 105b are erected alongside each end of one of the rails. The top end of both the separate columns 105a, 105b are connected to each other with a steel rope 108 to accommodate a trailing cable 109 via round insulators 110 to guide the movement of the trailing cable 109. The trailing cable 109 is connected to junction box along with welding power source, chiller unit suction pump and a lighting unit. The lighting unit is provided on the horizontal top bar 101a of the arch shaped frame 101 to provide better illumination while operation of the orbital TIG.
[0034] Referring to figure 3 and figure 4 illustrating a roller arrangement 104 for movement of the moving components of the orbital TIG welding machine according to one of the embodiment of the present subject matter. The roller arrangement 104 is provided to accommodate moving components of the orbital TIG welding machine. The moving components includes a pendant cable, clamp arrangement, earth clamp with cable and “D” head with cable. The roller arrangement 104 comprises a plurality of suspended bars 301, a plurality of hollow square boxes 302 and a sliding arrangement 303. The plurality of suspended bars 301 are fixedly attached to the bottom face of the horizontal top bar 101a of the arch shaped frame 101. The plurality of suspended bars 301 are fixedly attached at equal intervals. The plurality of hollow square boxes 302 have a slot opening 302a in bottom to accommodate the sliding arrangement 303. Further, the plurality of hollow square boxes 302 are fixedly provided transversely on the bottom face of the plurality of suspended bars 301. The plurality of hollow square boxes 302 maintains equal gaps among each other. The sliding arrangement 303 is slidably arranged in the slot openings 302a provided in the bottom of the plurality of hollow square boxes 302.
[0035] Referring to figure 5 illustrating a sliding arrangement 303 according to one of the embodiment of present subject matter. The sliding arrangement 303 comprises a flange 501, a U-bolt 502 and a pulley block. The flange 501 is slidably arranged in each of the hollow square boxes 302 by means of bearings 503, washer 504, circlip 505 and axle arrangement 506. The U-bolt 502 is bolted on each of the flanges 501. The pulley block is mounted on the U-bolts 502 to accommodate the moving components.
[0036] The proposed fixture 100 facilitate welding at any location through the length and breadth of a coil of a high pressure high temperature boiler. The fixture 100 further eliminates the scope for any wear and tear due to movement of the cables. Furthermore, the fixture 100 optimize the changeover time after completion of a weld.
[0037] It will be understood by those within the art that, in general, terms used herein, and especially in the appended claims (e.g., bodies of the appended claims) are generally intended as “open” terms (e.g., the term “including” should be interpreted as “including but not limited to,” the term “having” should be interpreted as “having at least,” the term “includes” should be interpreted as “includes but is not limited to,” etc.). It will be further understood by those within the art that if a specific number of an introduced claim recitation is intended, such an intent will be explicitly recited in the claim, and in the absence of such recitation no such intent is present. For example, as an aid to understanding, the following appended claims may contain usage of the introductory phrases “at least one” and “one or more” to introduce claim recitations. However, the use of such phrases should not be construed to imply that the introduction of a claim recitation by the indefinite articles “a” or “an” limits any particular claim containing such introduced claim recitation to inventions containing only one such recitation, even when the same claim includes the introductory phrases “one or more” or “at least one” and indefinite articles such as “a” or “an” (e.g., “a” and/or “an” should typically be interpreted to mean “at least one” or “one or more”); the same holds true for the use of definite articles used to introduce claim recitations. In addition, even if a specific number of an introduced claim recitation is explicitly recited, those skilled in the art will recognize that such recitation should typically be interpreted to mean at least the recited number (e.g., the bare recitation of “two recitations,” without other modifiers, typically means at least two recitations, or two or more recitations). Furthermore, in those instances where a convention analogous to “at least one of A, B, and C, etc.” is used, in general such a construction is intended in the sense one having skill in the art would understand the convention (e.g., “a system having at least one of A, B, and C” would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, etc.). In those instances where a convention analogous to “at least one of A, B, or C, etc.” is used, in general such a construction is intended in the sense one having skill in the art would understand the convention (e.g., “a system having at least one of A, B, or C” would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, etc.). It will be further understood by those within the art that virtually any disjunctive word and/or phrase presenting two or more alternative terms, whether in the description, claims, or drawings, should be understood to contemplate the possibilities of including one of the terms, either of the terms, or both terms. For example, the phrase “A or B” will be understood to include the possibilities of “A” or “B” or “A and B.”
[0038] It will be further appreciated that functions or structures of a plurality of components or steps may be combined into a single component or step, or the functions or structures of one-step or component may be split among plural steps or components. The present invention contemplates all of these combinations. Unless stated otherwise, dimensions and geometries of the various structures depicted herein are not intended to be restrictive of the invention, and other dimensions or geometries are possible. In addition, while a feature of the present invention may have been described in the context of only one of the illustrated embodiments, such feature may be combined with one or more other features of other embodiments, for any given application. It will also be appreciated from the above that the fabrication of the unique structures herein and the operation thereof also constitute methods in accordance with the present invention. The present invention also encompasses intermediate and end products resulting from the practice of the methods herein. The use of “comprising” or “including” also contemplates embodiments that “consist essentially of” or “consist of” the recited feature.