Welding tool for vehicle bogie

Abstract

The utility model belongs to the field of vehicle bogies, particularly relates to a welding tool for a vehicle bogie, and aims to solve the problems that after the vehicle bogie is fixed in the prior art, a welding dead angle exists, and the vehicle bogie needs to be rotationally welded around the vehicle bogie. The welding table is rotationally connected to the middle end of the top of the working table; the number of the brackets is two, and the two brackets are connected to the two sides of the top of the welding table through bolts correspondingly. The number of the clamping assemblies is two, each clamping assembly comprises a supporting frame, a double-thread screw rod, a sliding block and a vehicle bogie clamping plate, the bottom of each supporting frame is connected with the top of the welding table through a bolt, and the vehicle bogie can be fixed; the vehicle bogie can be driven to rotate through the rack, the pinion and the rotating shaft, the orientation of the welding position of the vehicle bogie is changed, and workers can conduct welding easily without rotating around the vehicle bogie.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle bogie technical field especially relates to a kind of welding tool of vehicle bogie. BACKGROUND

[0002] Vehicle bogie is located at the front of vehicle head position or bottom, and it is an important component of vehicle steering gear, which can realize the transmission of steering force, and change the direction of force, to achieve the control of vehicle direction, the Chinese patent document with application No.202121851190.X discloses a welding tool for welding automobile bogie.

[0003] But the above technical scheme has visual angle limitation after fixing vehicle bogie, and workers need to weld around vehicle bogie, which is very inconvenient. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the welding dead angle after fixing vehicle bogie in prior art, and the welding tool of vehicle bogie is proposed to solve the problem of rotating welding around vehicle bogie.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of welding tool of vehicle bogie, including

[0007] Workbench;

[0008] Welding table, welding table is rotationally connected to the middle end of workbench top;

[0009] Bracket, two brackets are provided, and two brackets are bolted to the two sides of welding table top respectively;

[0010] Clamping assembly, clamping assembly is provided with two, and clamping assembly includes bracket, double thread screw rod, sliding block and vehicle bogie clamping plate, the bottom of bracket is bolted to the top of welding table, sliding block and vehicle bogie clamping plate are provided with two, the thread on the surface of double thread worm is respectively connected with the screw hole of two sliding blocks, and the top of sliding block is bolted to the bottom of vehicle bogie clamping plate;

[0011] Rotary assembly, rotary assembly includes rack, pinion and rotating shaft, the teeth of rack are engaged with the teeth of pinion, the shaft center of pinion is keyed to the bottom end of rotating shaft, and the top end of rotating shaft is keyed to the shaft center of welding table bottom;

[0012] The reciprocating mechanism is connected with the rack, the clamping structure on the frame can fix the vehicle bogie, and the rack, the pinion and the rotating shaft can drive the vehicle bogie to rotate, the welding position of the vehicle bogie can be changed, and workers need not rotate around the vehicle bogie, so that the welding can be easily performed.

[0013] As a preferred scheme of the utility model, the reciprocating mechanism comprises a power motor, a worm, a worm wheel and a hinged rod, the output end of the power motor is key connected with one end of the worm, the surface of the worm is engaged with the gear teeth of the worm wheel, the bottom of the worm wheel is hinged with the right end of the hinged rod, and the left end of the hinged rod is hinged with the right end of the rack, the power motor is controlled by a motor controller, the power motor can drive the worm to rotate, the worm can drive the worm wheel to rotate, the worm and the worm wheel have a self-locking function, the worm wheel is prevented from driving the worm to rotate, the worm wheel and the hinged rod are eccentrically arranged, the worm wheel can drive the hinged rod to move leftwards, and the hinged rod can drive the rack to move leftwards.

[0014] As a preferred scheme of the utility model, the surface of the power motor is bolted with the bottom of the workbench, the axis of the worm wheel is rotatably connected with the hole in the bottom of the workbench, the power motor is fixed by the workbench, and the worm wheel is rotatably arranged on the workbench by a bearing, so that the stability of the rotation of the worm wheel is ensured.

[0015] As a preferred scheme of the utility model, the recess in the top of the welding bench is clamped with a collecting box, the collecting box is located between the two frames, the collecting box can collect the debris falling during the welding process, and the collecting box can be taken out after use, so that the trouble of cleaning is reduced.

[0016] As a preferred scheme of the utility model, the two ends of the surface of the double-thread screw rod are rotatably sleeved with the holes in the frame, the surface of the sliding block is slidably connected with the inside of the frame, the double-thread screw rod is rotatably arranged on the frame by a bearing, the stability of the rotation of the double-thread screw rod is ensured, and the sliding block is slidably arranged on the frame by a sliding rail, so that the sliding block is guided.

[0017] As a preferred scheme of the utility model, the top of the rack is slidably connected with the bottom of the workbench, the surface of the rotating shaft is rotatably sleeved with the hole in the workbench, the rack is slidably arranged on the workbench by a sliding rail, so that the rack is guided, and the rotating shaft is rotatably arranged on the workbench by a bearing, so that the stability of the rotation of the rotating shaft is ensured.

[0018] Advantages:

[0019] 1. The vehicle bogie is placed on the frame of the welding bench, the welding position is aligned between the two frames, the double-thread screw rod can drive the sliding block to move, and the sliding block fixes the vehicle bogie by the clamping plate of the vehicle bogie;

[0020] 2, the reciprocating mechanism can drive the rack to move, the rack can drive the pinion to rotate, the pinion can drive the rotating shaft to rotate, the rotating shaft can drive the welding table to rotate, the welding table can drive the bracket and the supporting frame to rotate, and the bracket and the supporting frame can drive the bogie to rotate;

[0021] In the utility model, the clamping structure on the supporting frame can fix the bogie, the bogie can be driven to rotate by the rack, the pinion and the rotating shaft during welding of the bogie, the orientation of the welding position of the bogie is changed, and workers need not rotate around the bogie, so that welding can be easily carried out. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the overall perspective view of the utility model;

[0023] Figure 2 It is the rack perspective view of the utility model;

[0024] Figure 3 It is the welding table perspective view of the utility model;

[0025] Figure 4 It is the supporting frame perspective view of the utility model.

[0026] In the drawing, 1, operation table, 2, welding table, 3, bracket, 4, supporting frame, 5, double thread screw rod, 6, sliding block, 7, bogie clamping plate, 8, power motor, 9, worm, 10, worm wheel, 11, hinged rod, 12, rack, 13, pinion, 14, rotating shaft, 15, collection box. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Embodiment one

[0029] Referring to Figures 1-4 A kind of welding tool of bogie, including

[0030] Operation table 1;

[0031] Welding table 2, welding table 2 is rotationally connected in the middle end of operation table 1 top;

[0032] Bracket 3, bracket 3 is equipped with two, two bracket 3 are bolted respectively in the top of welding table 2 two sides;

[0033] The clamping assembly is provided with two clamping assemblies, and the clamping assembly comprises a bracket 4, a double-threaded screw rod 5, a sliding block 6 and a vehicle bogie clamping plate 7. The bottom of the bracket 4 is bolted to the top of the welding table 2. The sliding block 6 and the vehicle bogie clamping plate 7 are both provided with two. The threads on both sides of the surface of the double-threaded worm 9 are respectively threadedly connected with the screw holes of the two sliding blocks 6. The top of the sliding block 6 is bolted to the bottom of the vehicle bogie clamping plate 7.

[0034] The rotating assembly comprises a rack 12, a pinion 13 and a rotating shaft 14. The teeth of the rack 12 are engaged with the teeth of the pinion 13. The axis of the pinion 13 is keyed to the bottom end of the rotating shaft 14. The top end of the rotating shaft 14 is keyed to the axis at the bottom of the welding table 2.

[0035] The reciprocating mechanism is connected with the rack 12.

[0036] Through the above structure: the clamping structure on the bracket 4 can fix the vehicle bogie. During the welding process of the vehicle bogie, the rack 12, the pinion 13 and the rotating shaft 14 can drive the vehicle bogie to rotate, change the orientation of the welding position of the vehicle bogie, and the worker does not need to rotate around the vehicle bogie, so that the welding can be easily carried out.

[0037] Please refer to Figure 2 The reciprocating mechanism comprises a power motor 8, a worm 9, a worm gear 10 and a hinged rod 11. The output end of the power motor 8 is keyed to one end of the worm 9. The surface of the worm 9 is engaged with the teeth of the worm gear 10. The bottom of the worm gear 10 is hinged to the right end of the hinged rod 11. The left end of the hinged rod 11 is hinged to the right end of the rack 12. The power of the power motor 8 is turned on. The power motor 8 is controlled by a motor controller. The power motor 8 can drive the worm 9 to rotate. The worm 9 can drive the worm gear 10 to rotate. The worm 9 and the worm gear 10 have self-locking function, which can avoid the worm gear 10 from driving the worm 9 to rotate. The worm gear 10 and the hinged rod 11 are eccentrically arranged. The worm gear 10 can drive the hinged rod 11 to move left. The hinged rod 11 can drive the rack 12 to move left.

[0038] Please refer to Figure 2 The surface of the power motor 8 is bolted to the bottom of the workbench 1. The axis of the worm gear 10 is rotatably connected with the hole at the bottom of the workbench 1. The power motor 8 is fixed by the workbench 1. The worm gear 10 is rotatably arranged on the workbench 1 through the bearing, which ensures the stability of the rotation of the worm gear 10.

[0039] Please refer to Figure 4 The recess at the top of the welding table 2 is clamped with a collection box 15. The collection box 15 is located between the two brackets 4. The collection box 15 can collect the debris falling during the welding process. After use, it only needs to be taken out, reducing the trouble of cleaning.

[0040] Please refer toFigure 4 Both ends of the double-threaded screw rod 5 are rotatably sleeved with the holes of the bracket 4, the surface of the sliding block 6 is slidably connected with the inside of the bracket 4, the double-threaded screw rod 5 is rotatably arranged with the bracket 4 through a bearing, so that the stability of the rotation of the double-threaded screw rod 5 is ensured, and the sliding block 6 is slidably arranged with the bracket 4 through a sliding rail, so that the sliding block 6 is guided.

[0041] Please refer to Figure 3 The top of the rack 12 is slidably connected with the bottom of the workbench 1, the surface of the rotating shaft 14 is rotatably sleeved with the hole of the workbench 1, the rack 12 is slidably arranged with the workbench 1 through a sliding rail, so that the rack 12 is guided, and the rotating shaft 14 is rotatably arranged with the workbench 1 through a bearing, so that the stability of the rotation of the rotating shaft 14 is ensured.

[0042] Embodiment two

[0043] The difference between the embodiment and the embodiment one lies in that the power motor 8, the worm 9, the worm gear 10 and the articulated rod 11 are replaced by an electric push cylinder, the electric push cylinder directly drives the rack 12 to move, but the electric push cylinder also needs to be provided with a self-locking structure, therefore, the power motor 8, the worm 9, the worm gear 10 and the articulated rod 11 are preferred.

[0044] It should be noted that: the specific model of the power motor 8 to be used is selected by the person skilled in the art, and the above power motor 8 belongs to the prior art, and the present scheme will not be described in detail.

[0045] The working principle of the utility model is as follows: the vehicle bogie is placed on the bracket 3 of the welding table 2, the welding position is aligned between the two brackets 4, both ends of the double-threaded screw rod 5 are provided with hand wheels, the thread directions of the two sides of the double-threaded screw rod 5 are opposite, so that the two sliding blocks 6 can be driven to move reversely, the sliding block 6 is fixed to the vehicle bogie through the vehicle bogie clamping plate 7, the power of the power motor 8 is turned on, the power motor 8 is controlled by a motor controller, the power motor 8 can drive the worm 9 to rotate, the worm 9 can drive the worm gear 10 to rotate, the worm 9 and the worm gear 10 have a self-locking function, so that the worm gear 10 drives the worm 9 to rotate is avoided, the worm gear 10 and the articulated rod 11 are in an eccentric structure, the worm gear 10 can drive the articulated rod 11 to move to the left, the articulated rod 11 can drive the rack 12 to move to the left, the rack 12 can drive the pinion 13 to rotate, the pinion 13 can drive the rotating shaft 14 to rotate, the rotating shaft 14 can drive the welding table 2 to rotate, the welding table 2 can drive the bracket 3 and the bracket 4 to rotate, and the bracket 3 and the bracket 4 can drive the vehicle bogie to rotate.

[0046] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A welding fixture for a vehicle bogie, characterized by, The utility model relates to a welding device for vehicle bogie frame, which comprises a workbench (1), a welding platform (2) rotatably connected to the top of the workbench (1), two brackets (3) bolted to the top of the welding platform (2) on both sides, two clamping assemblies, a rotating assembly, a reciprocating mechanism and a collecting box (15). The clamping assembly comprises a bracket (4), a double-threaded screw rod (5), a sliding block (6) and a vehicle bogie clamping plate (7), the bottom of the bracket (4) is bolted to the top of the welding platform (2), the sliding block (6) and the vehicle bogie clamping plate (7) are both provided with two, the threads on the surface of the double-threaded screw rod (9) are respectively threadedly connected with the screw holes of the two sliding blocks (6), the top of the sliding block (6) is bolted to the bottom of the vehicle bogie clamping plate (7). The rotating assembly comprises a rack (12), a pinion (13) and a rotating shaft (14), the teeth of the rack (12) are engaged with the teeth of the pinion (13), the axis of the pinion (13) is keyed to the bottom end of the rotating shaft (14), and the top end of the rotating shaft (14) is keyed to the axis of the bottom of the welding platform (2). The reciprocating mechanism is connected with the rack (12). The reciprocating mechanism comprises a power motor (8), a worm (9), a worm gear (10) and a hinged rod (11), the output end of the power motor (8) is keyed to one end of the worm (9), the surface of the worm (9) is engaged with the teeth of the worm gear (10), the bottom of the worm gear (10) is hinged to the right end of the hinged rod (11), and the left end of the hinged rod (11) is hinged to the right end of the rack (12). The surface of the power motor (8) is bolted to the bottom of the workbench (1), and the axis of the worm gear (10) is rotatably connected to the hole in the bottom of the workbench (1). The top of the welding platform (2) is provided with a recess for clamping the collecting box (15), and the collecting box (15) is located between the two brackets (4).

2. The welding fixture for a vehicle bogie according to claim 1, wherein Both ends of the surface of the double-threaded screw rod (5) are rotatably sleeved with the holes of the bracket (4), and the surface of the sliding block (6) is slidably connected with the inside of the bracket (4).

3. The welding fixture of claim 2, wherein: The top of the rack (12) is slidably connected with the bottom of the workbench (1), and the surface of the rotating shaft (14) is rotatably sleeved with the hole of the workbench (1).

4. The welding fixture of claim 1, wherein: ​ 5. The welding fixture of claim 1, wherein: ​ 6. The welding fixture of claim 1, wherein: ​

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