Welding method for crawler fixing shaft flange

Abstract

The invention discloses a welding method for a fixed shaft flange of a crawler. The welding method comprises the following steps that S1, welding is conducted, fixing blocks at the bottoms of the flange fixing pieces are located on reamed hole screws on the upper side or the lower side, and then the flange fixing pieces are horizontally placed; s2, a to-be-welded fixing shaft sequentially penetrates through the two main shaft rotating fixing pieces and is located between the two arc-shaped locking pieces, and the end of the fixing shaft makes contact with a rotating disc on one side of a limiting plate; according to the creeper truck fixing shaft flange welding method, the fixing shaft and the flange are fixed through the main shaft rotating fixing piece and the flange fixing piece correspondingly, the distance between the flange and the fixing shaft is adjusted through the distance adjusting assembly so that the flange and the fixing shaft can be connected, at the moment, the flange completely corresponds to the fixing shaft, and then welding is conducted; and the driving assembly is matched with the main shaft rotating fixing piece and the flange fixing piece so that the fixing shaft and the flange can be driven to rotate, different positions can be welded conveniently, the flange welding quality and efficiency are improved, and operation is easy and convenient.

Description

Technical Field

[0001] The invention specifically relates to a welding method for a fixed axle flange of a crawler vehicle. Background Art

[0002] A crawler vehicle is a "car" that uses a crawler running system instead of a wheel running system. This type of vehicle has low ground pressure, small sinking, strong adhesion, and strong driving ability. The cab, cargo platform or carriage are basically the same as those of ordinary wheeled vehicles. Generally, according to the running system structure, it can be divided into three types: semi-tracked type with sleds or wheels on the front axle (driven axle) and tracks on the rear axle, full-tracked type with tracks on both the front and rear axles, and wheel-tracked type with wheels and tracks interchangeable.

[0003] The tracked vehicle includes a fixed shaft flange accessory, in which the flange and the fixed shaft are usually fixed by welding. Currently, during welding, the fixed shaft and the flange are usually connected correspondingly, and then two to four points are welded to perform the overall welding. When welding the points, it is necessary to measure whether they are accurate by using a protractor or the like. Since it is determined manually, there are large errors during the operation, and during welding, manual flipping and other operations are required, which consumes manpower. Summary of the invention

[0004] The purpose of the present invention is to provide a welding method for a fixed shaft flange of a crawler vehicle in view of the deficiencies of the prior art, so as to improve the welding accuracy and save manpower.

[0005] In order to solve the above technical problems, the present invention provides a method for welding a fixed shaft flange of a crawler vehicle, comprising the following steps:

[0006] S1; screw the bottom fixing block of the flange fixing member to the upper or lower side of the reamed hole, and then place the flange fixing member horizontally;

[0007] S2: The fixed shaft to be welded is passed through the two main shaft rotating fixing parts in sequence and is located between the two arc-shaped locking parts, and the end of the fixed shaft is in contact with the rotating disk on one side of the limit plate, and then the arc-shaped locking part is pushed by the first hydraulic cylinder to fix the fixed shaft;

[0008] S3: Rotate the flange fixing part to be perpendicular to the support seat, and then lock and fix it with the reaming screws removed in S, and then place the flange to be welded between the two arc-shaped fixing blocks and inside the limit groove, and push the arc-shaped fixing block with the second hydraulic cylinder to fix it;

[0009] S4, turn the driving handle clockwise to move the threaded shaft out of the positioning hole, then adjust the position of the flange so that it is connected to the fixed shaft position, and then turn the driving handle counterclockwise to make the threaded shaft enter the positioning hole to fix it;

[0010] S5, then the flange and the fixed shaft are welded by welding equipment, and during the welding process, the two main shaft rotating fixing parts are driven to rotate by the driving assembly, and the fixed shaft and the flange are driven to rotate, so as to facilitate welding at different positions.

[0011] Preferably, the two spindle rotation fixing members are both arranged at the top of the support seat, and the spindle rotation fixing members include two limiting rings and a fixing ring, the two limiting rings are both fixed at the top of the support seat, and the fixing ring is arranged between the two limiting rings, and annular grooves are provided on both sides of the surface of the fixing ring, a first ball is provided at the position of the annular groove on the top of the support seat, and a second ball is provided on the inner side of the two limiting rings.

[0012] By arranging the first ball and the second ball, when the fixing ring rotates, the friction between the fixing ring and the supporting seat and the limiting ring is reduced, so that the fixing ring rotates more smoothly.

[0013] Preferably, a first hydraulic cylinder is fixedly installed on the top and bottom of the inner wall of the fixing ring, an arc-shaped locking piece is fixedly connected to the output end of the first hydraulic cylinder, a rubber pad is bonded to the inner side of the arc-shaped locking piece, and a plurality of teeth are evenly arrayed in the middle of the surface of the fixing ring.

[0014] By bonding a rubber pad on the inner side of the arc-shaped locking member, the friction between the arc-shaped locking member and the fixed shaft to be welded is increased, the stability of the fixation is improved, and the surface of the fixed shaft is protected from wear.

[0015] Preferably, the driving assembly includes a reduction motor, which is fixedly installed inside the support seat, and one end of the reduction motor output shaft is fixedly connected to a rotating shaft through a coupling, and gears are sleeved on both sides of the surface of the rotating shaft, and the surface of the fixing ring is meshed with the gears through teeth.

[0016] The gear is driven to rotate by the reduction motor, thereby cooperating with the teeth to drive the fixed ring to rotate.

[0017] Preferably, a distance adjusting assembly is provided on one side of the support seat, and the distance adjusting assembly is fixedly mounted with a flange fixing member via a rotating fixing member. The distance adjusting assembly includes an outer fixing tube and a limiting rod, and the limiting rod is fixed to one side of the support seat.

[0018] Preferably, one end of the limit rod extends to the interior of the outer fixed tube, a nut is fixedly connected to the top of the surface of the outer fixed tube, a threaded shaft is threaded on the nut, a driving handle is fixedly connected to the top of the threaded shaft, the bottom end of the threaded shaft passes through the outer fixed tube and extends to the interior of the outer fixed tube, and a plurality of positioning holes are opened on the limit rod.

[0019] By setting a plurality of positioning holes, fixed shafts of different lengths can be processed accordingly.

[0020] Preferably, the rotating fixing member includes two fixing blocks, both of which are fixed to the end of the outer fixing tube, the fixing block is slidingly connected to one side of the top of the support seat, and the connecting block is fixedly installed between the two fixing blocks by two reamed hole screws and nuts.

[0021] Fixing is done by two drilled hole screws, either of which can be removed, and the flange fixing can then be turned to horizontal, making it easier to install the fixing shaft.

[0022] Preferably, the flange fixing member includes an outer fixing ring, which is fixed to the top of the connecting block, the interior of the outer fixing ring is rotatably connected to an inner fixing ring via a roller shaft, the top and bottom of the inner surface of the inner fixing ring are fixedly connected to a second hydraulic cylinder, and the output end of the second hydraulic cylinder is fixedly connected to an arc-shaped fixing block.

[0023] The outer fixing ring can rotate relative to the inner fixing ring through the roller.

[0024] Preferably, a limiting groove is provided on the inner side of the arc-shaped fixing block, and a rubber pad is bonded to the inner surface of the limiting groove.

[0025] By setting the limiting groove, the side of the flange is embedded in the limiting groove, and the rubber pad is used to improve the stability of the installation. At the same time, the rubber pad can protect the flange surface from wear.

[0026] Preferably, a limiting plate is fixedly connected to one side of the top of the support seat, a rotating disk is rotatably connected to the limiting plate, and a rubber pad is bonded to one side of the rotating disk.

[0027] By arranging the rotating disk, when the fixed shaft rotates, its end can drive the rotating disk to rotate accordingly, thereby preventing the rotation of the fixed shaft end and the friction with the surface of the limit plate.

[0028] Compared with the related art, the welding method of the fixed shaft flange of the crawler vehicle provided by the present invention has the following beneficial effects:

[0029] The present invention provides a welding method for a fixed shaft flange of a crawler vehicle, wherein the fixed shaft and the flange are fixed respectively by a main shaft rotating fixture and a flange fixture, and the distance between the flange and the fixed shaft is adjusted by a distance adjusting component to connect them. At this time, the flange and the fixed shaft completely correspond to each other, and then welding is performed, and the fixed shaft and the flange can be driven to rotate by a driving component in cooperation with the main shaft rotating fixture and the flange fixture, so that welding at different positions is convenient, the quality and efficiency of flange welding is improved, and the operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1A structural schematic diagram of a preferred embodiment of a method for welding a fixed shaft flange of a crawler vehicle provided by the present invention;

[0031] Figure 2 for Figure 1 The schematic diagram of the external structure shown;

[0032] Figure 3 for Figure 1 A partial side view of the shaft rotation fixture shown;

[0033] Figure 4 for Figure 1 A cross-sectional view of the distance adjustment assembly shown;

[0034] Figure 5 for Figure 1 The structural schematic diagram of the rotating fixing member is shown.

[0035] Numbers in the figure: 1. support seat, 2. main shaft rotation fixing part, 21. limit ring, 22. fixing ring, 23. first hydraulic cylinder, 24. arc locking part, 25. rubber pad, 26. second ball, 27. teeth, 3. drive assembly, 31. reduction motor, 32. rotating shaft, 33. gear, 34. through groove, 4. pitch adjustment assembly, 41. outer fixing tube, 42. limit rod, 43. nut, 44. threaded shaft, 45. driving handle, 46. positioning hole, 5. rotating fixing part, 51. fixing block, 52. connecting block, 53. reaming hole screw, 6. flange fixing part, 61. outer fixing ring, 62. roller, 63. inner fixing ring, 64. second hydraulic cylinder, 65. arc fixing block, 66. limit groove, 7. first ball, 8. limit plate, 9. rotating disk, 10. rubber pad. DETAILED DESCRIPTION

[0036] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0037] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of a method for welding a fixed shaft flange of a crawler vehicle provided by the present invention; Figure 2 for Figure 1 The schematic diagram of the external structure shown; Figure 3 for Figure 1 A partial side view of the shaft rotation fixture shown; Figure 4 for Figure 1 A cross-sectional view of the distance adjustment assembly shown; Figure 5 for Figure 1The structural schematic diagram of the rotating fixing member is shown. The welding method of the fixed shaft flange of the crawler vehicle comprises the following steps:

[0038] S1; the flange fixing member 6 bottom fixing block 51 is located on the upper or lower side of the reaming hole screw 53, and then the flange fixing member 6 is placed horizontally;

[0039] S2: The fixed shaft to be welded passes through the two main shaft rotating fixing members 2 in sequence and is located between the two arc-shaped locking members 24, and the end of the fixed shaft contacts the rotating disk on one side of the limit plate 8, and then the arc-shaped locking member 24 is pushed by the first hydraulic cylinder 23 to fix the fixed shaft;

[0040] S3: The flange fixing member 6 is rotated to be perpendicular to the support seat 1, and then locked and fixed by the reaming screws removed in S1, and then the flange to be welded is placed between the two arc-shaped fixing blocks 65 and inside the limiting groove 66, and the arc-shaped fixing block 65 is pushed by the second hydraulic cylinder 64 to fix it;

[0041] S4, turn the driving handle 45 clockwise to move the threaded shaft 44 out of the positioning hole 46, then adjust the position of the flange to make it connect with the fixed shaft, then turn the driving handle 45 counterclockwise to make the threaded shaft 44 enter the positioning hole 46 to fix it;

[0042] S5, then the flange and the fixed shaft are welded by welding equipment, and during the welding process, the two main shaft rotating fixing parts are driven to rotate by the driving component 3, and the fixed shaft and the flange are driven to rotate, so as to facilitate welding at different positions.

[0043] The two spindle rotation fixing parts 2 are both arranged at the top of the support seat 1, and the spindle rotation fixing parts 2 include two limiting rings 21 and a fixing ring 22. The two limiting rings 21 are both fixed at the top of the support seat 1, and the fixing ring 22 is arranged between the two limiting rings 21. Annular grooves are provided on both sides of the surface of the fixing ring 22. A first ball 7 is provided at the position of the annular groove corresponding to the top of the support seat 1, and a second ball 26 is provided on the inner side of the two limiting rings 21.

[0044] There are multiple first balls 7, no less than six, and several second balls 26. A four-fifths spherical groove is provided on the top of the support seat 1 and the inner side of the limiting ring 21, and the first balls 7 and the second balls 26 are located inside the four-fifths spherical groove.

[0045] The top and bottom of the inner wall of the fixing ring 22 are fixedly mounted with a first hydraulic cylinder 23, the output end of the first hydraulic cylinder 23 is fixedly connected with an arc-shaped locking member 24, the inner side of the arc-shaped locking member 24 is bonded with a rubber pad 25, and the middle of the surface of the fixing ring 22 is evenly arrayed with multiple teeth.

[0046] The driving assembly 3 includes a reduction motor 31, which is fixedly installed inside the support base 1. One end of the output shaft of the reduction motor 31 is fixedly connected to a rotating shaft 32 through a coupling. Gears 33 are sleeved on both sides of the surface of the rotating shaft 32, and the surface of the fixing ring 22 is meshed with the gears 33 through teeth.

[0047] The reduction motor 31 is connected to an external power source through a power cord for power supply. The reduction motor 31 can rotate forward and reversely. Through grooves are provided on both sides of the top of the support seat 1 at positions corresponding to the teeth 27 . The upper side of the gear 33 is located inside the through groove and meshes with the fixing ring 22 .

[0048] A distance adjusting component 4 is provided on one side of the support seat 1 , and the distance adjusting component 4 is fixedly mounted with a flange fixing component 6 via a rotating fixing component 5 . The distance adjusting component 4 includes an outer fixing tube 41 and a limiting rod 42 , and the limiting rod 42 is fixed to one side of the support seat 1 .

[0049] One side of the bottom of the outer fixing tube 41 is slidably connected to the support seat 1 through a sliding block.

[0050] One end of the limiting rod 42 extends to the inside of the outer fixing tube 41, a nut 43 is fixedly connected to the top of the surface of the outer fixing tube 41, a threaded shaft 44 is threadedly connected to the nut 43, a driving handle 45 is fixedly connected to the top of the threaded shaft 44, the bottom end of the threaded shaft 44 passes through the outer fixing tube 41 and extends to the inside of the outer fixing tube 41, and a plurality of positioning holes 46 are opened on the limiting rod 42.

[0051] Different positioning holes 46 correspond to fixed shafts of different lengths.

[0052] The rotating fixing member 5 includes two fixing blocks 51, both of which are fixed to the ends of the outer fixing tube 41. The fixing blocks 51 are slidably connected to one side of the top of the support seat 1, and the connecting block 52 is fixedly installed between the two fixing blocks 51 by two reamed hole screws 53 and nuts.

[0053] The bottom of the fixing block 51 is slidably connected to one side of the top of the support seat 1 through a slider. A sliding groove is correspondingly provided on one side of the top of the support seat 1. Two fixing holes are correspondingly provided on the fixing block 51 and the connecting block 52.

[0054] The flange fixing member 6 includes an outer fixing ring 61, which is fixed to the top of the connecting block 52. The inner part of the outer fixing ring 61 is rotatably connected to an inner fixing ring 63 via a roller shaft 62. The top and bottom of the inner surface of the inner fixing ring 63 are fixedly connected to a second hydraulic cylinder 64. The output end of the second hydraulic cylinder 64 is fixedly connected to an arc-shaped fixing block 65.

[0055] The inner surface of the outer fixing ring 61 and the outer surface of the inner fixing ring 63 are both correspondingly provided with annular grooves, and the roller shaft 62 is located inside the two annular grooves.

[0056] A limiting groove 66 is formed on the inner side of the arc-shaped fixing block 65 , and a rubber pad is bonded to the inner surface of the limiting groove 66 .

[0057] The width of the limiting groove 66 is adapted to the thickness of the flange, and different arc-shaped fixing blocks 65 can be replaced corresponding to different flanges.

[0058] A limiting plate 8 is fixedly connected to one side of the top of the support seat 1 , a rotating disk 9 is rotatably connected to the limiting plate 8 , and a rubber pad 10 is bonded to one side of the rotating disk 9 .

[0059] The rubber pad 10 is made of rubber;

[0060] A control panel is embedded on the left side of the top of the support base 1 for controlling the reduction motor 31 , the first hydraulic cylinder 23 and the second hydraulic cylinder 64 .

[0061] The working principle of the welding method for the fixed shaft flange of a crawler vehicle provided by the present invention is as follows:

[0062] Place the bottom fixing block 51 of the flange fixing member 6 on the upper or lower side of the reaming hole screw 53, and then place the flange fixing member 6 horizontally;

[0063] The fixed shaft to be welded is passed through the two main shaft rotating fixing members 2 in sequence and is located between the two arc-shaped locking members 24, and the end of the fixed shaft is in contact with the rotating disk on one side of the limit plate 8, and then the arc-shaped locking member 24 is pushed by the first hydraulic cylinder 23 to fix the fixed shaft;

[0064] The flange fixing member 6 is rotated to be perpendicular to the support seat 1, and then the removed reaming screws are locked and fixed, and then the flange to be welded is placed between the two arc-shaped fixing blocks 65 and inside the limiting groove 66, and the arc-shaped fixing block 65 is pushed by the second hydraulic cylinder 64 to fix it;

[0065] The driving handle 45 is turned clockwise to move the threaded shaft 44 out of the positioning hole 46, and then the position of the flange is adjusted to make it correspondingly connected with the fixed shaft position. At this time, the threaded shaft 44 is aligned with the corresponding positioning hole 46, and then the driving handle is turned counterclockwise to make the threaded shaft 44 correspondingly enter the inside of the positioning hole 46 to fix it;

[0066] Then the flange and the fixed shaft are welded by welding equipment, and during the welding process, the two main shaft rotating fixtures are driven to rotate by the driving component 3, and the fixed shaft and the flange are driven to rotate, so as to facilitate welding at different positions;

[0067] The two gears 33 drive the entire fixed ring 22 to rotate through the teeth 27 on the surface of the fixed ring 22, thereby driving the fixed shaft to rotate. The inner fixed ring 63 and the outer fixed ring 61 are connected by the roller 62. When the fixed shaft rotates, the flange is driven to rotate at the same time, and the inner fixed ring 63 rotates relative to the outer fixed ring 61 through the roller 62.

[0068] Compared with the related art, the welding method of the fixed shaft flange of the crawler vehicle provided by the present invention has the following beneficial effects:

[0069] The fixed shaft and the flange are fixed respectively by the main shaft rotating fixture 2 and the flange fixture 6, and the distance between the flange and the fixed shaft is adjusted by the distance adjustment component 4 to connect them. At this time, the flange and the fixed shaft completely correspond to each other, and then welding is performed. The driving component 3 cooperates with the main shaft rotating fixture 2 and the flange fixture 6 to drive the fixed shaft and the flange to rotate, which is convenient for welding at different positions, improves the quality and efficiency of flange welding, and is simple and convenient to operate.

[0070] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A method for welding a fixed shaft flange of a crawler vehicle, characterized in that , including the following steps: S1; screw the bottom fixing block of the flange fixing member to the upper or lower side of the reamed hole, and then place the flange fixing member horizontally; S2: The fixed shaft to be welded is passed through the two main shaft rotating fixing parts in sequence and is located between the two arc-shaped locking parts, and the end of the fixed shaft is in contact with the rotating disk on one side of the limit plate, and then the arc-shaped locking part is pushed by the first hydraulic cylinder to fix the fixed shaft; S3: Rotate the flange fixing part to be perpendicular to the support seat, and then lock and fix it with the reaming screws removed in S, and then place the flange to be welded between the two arc-shaped fixing blocks and inside the limit groove, and push the arc-shaped fixing block with the second hydraulic cylinder to fix it; S4, turn the driving handle clockwise to move the threaded shaft out of the positioning hole, then adjust the position of the flange so that it is connected to the fixed shaft position, and then turn the driving handle counterclockwise to make the threaded shaft enter the positioning hole to fix it; S5, then the flange and the fixed shaft are welded by welding equipment, and during the welding process, the two main shaft rotating fixing parts are driven to rotate by the driving assembly, and the fixed shaft and the flange are driven to rotate, so as to facilitate welding at different positions.

2. The method for welding a fixed shaft flange of a crawler vehicle according to claim 1, characterized in that: The two spindle rotation fixing parts are both arranged at the top of the support seat, and the spindle rotation fixing parts include two limiting rings and a fixing ring. The two limiting rings are both fixed at the top of the support seat, and the fixing ring is arranged between the two limiting rings. Annular grooves are opened on both sides of the surface of the fixing ring, and a first ball is arranged at the position of the annular groove corresponding to the top of the support seat, and a second ball is arranged on the inner side of the two limiting rings.

3. The method for welding a fixed axle flange of a crawler vehicle according to claim 2, characterized in that: A first hydraulic cylinder is fixedly installed on the top and bottom of the inner wall of the fixing ring, an arc-shaped locking piece is fixedly connected to the output end of the first hydraulic cylinder, a rubber pad is bonded to the inner side of the arc-shaped locking piece, and a plurality of teeth are evenly arrayed in the middle of the surface of the fixing ring.

4. The method for welding a fixed shaft flange of a crawler vehicle according to claim 3, characterized in that: The driving assembly includes a reduction motor, which is fixedly installed inside the support seat. One end of the reduction motor output shaft is fixedly connected to a rotating shaft through a coupling. Gears are sleeved on both sides of the surface of the rotating shaft, and the surface of the fixed ring is meshed with the gears through teeth.

5. The method for welding a fixed shaft flange of a crawler vehicle according to claim 1, characterized in that: A distance adjustment component is provided on one side of the support seat, and the distance adjustment component is fixedly installed with a flange fixing part through a rotating fixing part. The distance adjustment component includes an outer fixing tube and a limiting rod, and the limiting rod is fixed on one side of the support seat.

6. The method for welding a fixed axle flange of a crawler vehicle according to claim 5, characterized in that: One end of the limiting rod extends to the inside of the outer fixing tube, a nut is fixedly connected to the top of the surface of the outer fixing tube, a threaded shaft is threadedly connected to the nut, a driving handle is fixedly connected to the top of the threaded shaft, the bottom end of the threaded shaft passes through the outer fixing tube and extends to the inside of the outer fixing tube, and a plurality of positioning holes are opened on the limiting rod.

7. The method for welding a fixed axle flange of a crawler vehicle according to claim 5, characterized in that: The rotating fixing member includes two fixing blocks, both of which are fixed to the ends of the outer fixing tube, the fixing block is slidably connected to one side of the top of the support seat, and the connecting block is fixedly installed between the two fixing blocks by two reamed hole screws and nuts.

8. The method for welding a fixed axle flange of a crawler vehicle according to claim 1, characterized in that: The flange fixing part includes an outer fixing ring, which is fixed to the top of the connecting block. The interior of the outer fixing ring is rotatably connected to an inner fixing ring via a roller shaft. The top and bottom of the inner surface of the inner fixing ring are fixedly connected to a second hydraulic cylinder, and the output end of the second hydraulic cylinder is fixedly connected to an arc-shaped fixing block.

9. The method for welding a fixed axle flange of a crawler vehicle according to claim 8, characterized in that: A limiting groove is provided on the inner side of the arc-shaped fixing block, and a rubber pad is bonded to the inner surface of the limiting groove.

10. The method for welding a fixed shaft flange of a crawler vehicle according to claim 1, characterized in that: A limiting plate is fixedly connected to one side of the top of the support seat, a rotating disk is rotatably connected to the limiting plate, and a rubber pad is bonded to one side of the rotating disk.

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