CN219293154U

CN219293154U - Automobile rear axle welding fixture

Info

Publication number: CN219293154U
Application number: CN202320145572.3U
Authority: CN
Inventors: 黄涛; 卿鹏; 万红萍; 刘芬芬; 熊倩
Original assignee: Wuhan Boyuantong New Energy Industry Co ltd
Current assignee: Wuhan Boyuantong New Energy Industry Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-07-04
Anticipated expiration: 2033-02-07

Abstract

The utility model discloses an automobile rear axle welding fixture which comprises a bracket, wherein a limiting chute is formed in the front surface of the bracket, a limiting block is slidably arranged in the limiting chute, a hinged block is fixedly arranged in the front surface of the limiting block, an L-shaped fixing arm is connected in the hinged block through shaft rotation, a second roller bracket is fixedly arranged at one end of the L-shaped fixing arm, a second roller bracket is rotatably arranged in the L-shaped fixing arm, a first roller support frame is fixedly arranged on the bracket, two support rollers are rotatably arranged in the first roller support frame, a hydraulic lifting column is fixedly arranged in the limiting chute, and the other end of the hydraulic lifting column is fixedly connected with the lower surface of the limiting block. The extrusion roller can be driven to rotate by starting the adjusting motor, and the rear axle can be driven to rotate together by the rotation of the extrusion roller, so that the fixed angle of the rear axle is adjusted, and the rear axle can be automatically rotated to adjust the angle after the rear axle is clamped and fixed, so that the rear axle does not need to be clamped again.

Description

Automobile rear axle welding fixture

Technical Field

The utility model relates to a welding fixture, in particular to an automobile rear axle welding fixture.

Background

The rear axle is the rear drive shaft component of the vehicle power transmission. The device consists of two half-bridges, and can implement differential motion of the half-bridges. At the same time, it is also a device for supporting the wheels and connecting the rear wheels. In the case of a front axle-driven vehicle, the rear axle is merely a trailing axle and only serves as a load carrier, and the rear axle is mainly made of a plurality of parts by welding.

An electric automobile driving rear axle housing assembly welding fixture disclosed in China patent publication No. CN216576336U can rapidly position and clamp two groups of axle housings, replaces a traditional operation mode of manual support, improves the operability of the device, prevents dislocation of the axle housings caused by local heating in the welding process, and improves the welding effect of the axle housings; including bottom plate, two sets of support clamp splice, locating tube, multiunit centre gripping swash plate, multiunit stopper, removal slider, pull rod, connecting plate, pneumatic cylinder and go up the centre gripping subassembly, go up the centre gripping subassembly and install on the bottom plate, two sets of support clamp splice bilateral symmetry fixed mounting is in the bottom plate up end, locating tube fixed mounting is in the intermediate position of bottom plate up end, locating tube side terminal surface evenly distributed is equipped with multiunit spout, multiunit centre gripping swash plate sliding mounting is in multiunit spout respectively, the inside bottom surface evenly distributed of locating tube is equipped with multiunit spacing groove, multiunit stopper sliding mounting is in multiunit spacing groove respectively.

The welding fixture for the axle housing assembly of the driving rear axle of the electric automobile has the advantages that problems are exposed when the welding fixture is used, the rear axle is limited and fixed through the supporting clamping blocks and the upper clamping blocks in the installation process, but the space above the rear axle of the automobile can be shielded by the movable plate, so that an operator can not conveniently weld the rear axle, the welding operation is required to be performed on a plurality of positions, the fixing angle of the rear axle needs to be adjusted when the welding operation is performed on different positions, and the fixing angle is required to be manually adjusted and then fixed after the fixing of the rear axle is released, so that the problem is complex.

Disclosure of Invention

The utility model aims to provide an automobile rear axle welding fixture, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automobile rear axle welding jig, includes the support, spacing spout has been seted up openly to the support, sliding mounting has the stopper in the spacing spout, the positive fixed mounting of stopper has the hinge piece, be connected with L type arm through the axle rotation in the hinge piece, L type arm fixed mounting has the second gyro wheel support, L type arm fixed rotating mounting has the second gyro wheel support, fixed mounting has first gyro wheel support above the support, two backing rolls are installed to first gyro wheel support rotating.

Specifically, can hold the automobile rear axle by two supporting roller intermediate positions that set up, start the inside elevating system of spacing spout later and drive hydraulic lifting post and remove, hydraulic lifting post can drive the articulated piece and reciprocate, the articulated piece can drive L type fixed arm and remove, thereby it fixes automobile rear axle extrusion at two supporting roller intermediate positions to drive the extrusion gyro wheel and move down, actual clamping assembly is two, fix its centre gripping in the sky from the rear axle both sides, make the rear axle top be in the cavity state, avoid interfering operating personnel to weld the rear axle, and the extrusion gyro wheel is connected with power device, can drive the rear axle and rotate together when the extrusion gyro wheel is rotatory, thereby can remove rotatory rear axle automatically and adjust its angle after the fixed rear axle of centre gripping.

Preferably, a hydraulic lifting column is fixedly arranged in the limiting chute, and the other end of the hydraulic lifting column is fixedly connected with the lower part of the limiting block.

Specifically, the limiting block can be driven to move up and down by starting the hydraulic lifting column.

Preferably, a fixing pin is fixedly arranged on the hinging block, and a fixing bolt is arranged in the fixing pin.

Specifically, the L-shaped fixing arm and the hinge block can be fixed together through the fixing bolt, so that the L-shaped fixing arm is prevented from rotating.

Preferably, a limiting through hole is formed in the L-shaped fixing arm, and the limiting through hole is matched with the fixing bolt.

Specifically, through removing inside the spacing through-hole with fixing bolt, can remove the restriction of L type fixed arm to L type fixed arm can rotate certain angle, makes things convenient for the rear axle to hang to the backing roller from the top.

Preferably, an adjusting motor is fixedly arranged on one side of the second roller support, and the output end of the adjusting motor is fixedly connected with the extrusion roller.

Specifically, the extrusion roller can be driven to rotate by starting the adjusting motor.

Preferably, the surfaces of the supporting roller and the extrusion roller are fixedly provided with anti-skid rubber.

Specifically, the supporting roller, the extrusion roller and the rear axle can be prevented from sliding through the arranged anti-skid rubber.

Compared with the prior art, the utility model has the beneficial effects that:

1. the fixing bolts are moved out of the limiting through holes, the limitation of the L-shaped fixing arms can be relieved, the L-shaped fixing arms can rotate by a certain angle, the rear axle is conveniently lifted to the supporting rollers from the upper side by using the crane, an operator can conveniently place the rear axle on the device, and meanwhile, the two L-shaped fixing arms drive the extrusion rollers to fix the rear axle from two sides, so that the upper side of the rear axle is in a hollow state, and interference operators are avoided to weld the rear axle.

2. When the angle of the rear axle needs to be adjusted, the adjusting motor is started to drive the extrusion roller to rotate, the extrusion roller can drive the rear axle to rotate together, so that the fixed angle of the rear axle is adjusted, and after the rear axle is clamped and fixed, the rear axle can be automatically rotated to adjust the angle of the rear axle, so that the rear axle does not need to be clamped again.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the overall structure of the other side of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

fig. 4 is a partial exploded view of the present utility model.

In the figure: 1. a bracket; 101. a first roller support; 102. supporting rollers; 2. limiting sliding grooves; 201. a limiting block; 202. a hydraulic lifting column; 3. a hinge block; 301. a fixed foot; 302. a fixing bolt; 4. an L-shaped fixed arm; 401. a second roller bracket; 402. extruding rollers; 403. adjusting a motor; 404. and limiting the through holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an automobile rear axle welding jig, including support 1, limit chute 2 has been seted up in support 1 openly, and limit chute 2 slidable mounting has stopper 201, and stopper 201 openly fixed mounting has hinge piece 3, is connected with L type arm 4 through the axle rotation in the hinge piece 3, and L type arm 4 one end fixed mounting has second gyro wheel support 401, and L type arm 4 internal rotation is installed second gyro wheel support 401, and fixed mounting has first gyro wheel support 101 above the support 1, and two backing rolls 102 are installed to first gyro wheel support 101 internal rotation.

In this embodiment, the middle position of the two supporting rollers 102 can lift the rear axle of the automobile, then the lifting mechanism inside the limiting chute 2 is started to drive the hydraulic lifting column 202 to move, the hydraulic lifting column 202 can drive the hinged block 3 to move up and down, the hinged block 3 can drive the L-shaped fixing arm 4 to move down, so that the extrusion rollers 402 are driven to move down to extrude and fix the rear axle of the automobile at the middle position of the two supporting rollers 102, the actual clamping assemblies are two, the clamping assemblies are clamped and fixed in the air from the two sides of the rear axle, the upper part of the rear axle is in a hollow state, interference operators are avoided to weld the rear axle, the extrusion rollers 402 are connected with a power device, the rear axle can be driven to rotate together when the extrusion rollers 402 rotate, and the rear axle can be automatically rotated to adjust the angle after the rear axle is clamped and fixed.

In order to achieve the purpose of facilitating fixing of the rear axle, the device is achieved by adopting the following technical scheme: the hydraulic lifting column 202 is fixedly installed in the limiting chute 2, the other end of the hydraulic lifting column 202 is fixedly connected with the lower surface of the limiting block 201, the fixing foot 301 is fixedly installed on the hinge block 3, the fixing bolt 302 is arranged in the fixing foot 301, the limiting through hole 404 is formed in the L-shaped fixing arm 4, and the limiting through hole 404 is matched with the fixing bolt 302.

The limiting block 201 can be driven to move up and down by starting the hydraulic lifting column 202, the L-shaped fixing arm 4 and the hinge block 3 can be fixed together by the fixing bolt 302, so that the L-shaped fixing arm 4 is prevented from rotating, the fixing bolt 302 is moved out of the limiting through hole 404, the limitation of the L-shaped fixing arm 4 can be relieved, the L-shaped fixing arm 4 can rotate by a certain angle, and the rear axle can conveniently be lifted onto the supporting roller 102 from the upper side.

In order to achieve the purpose of adjusting the angle of the rear axle, the device is realized by adopting the following technical scheme: an adjusting motor 403 is fixedly arranged on one side of the second roller support 401, the output end of the adjusting motor 403 is fixedly connected with the extrusion roller 402, and anti-skid rubber is fixedly arranged on the surfaces of the supporting roller 102 and the extrusion roller 402.

The extrusion roller 402 can be driven to rotate by starting the adjusting motor 403, and the provided anti-slip rubber can prevent the support roller 102, the extrusion roller 402 and the rear axle from sliding.

The working principle and the using flow of the utility model are as follows: when the device is used, the device is required to be placed at a proper position, the fixing bolt 302 is moved out of the inside of the limiting through hole 404, the limitation of the L-shaped fixing arm 4 can be relieved, the L-shaped fixing arm 4 can rotate by a certain angle, the rear axle is conveniently lifted to the supporting roller 102 by using the crane from the upper side, the L-shaped fixing arm 4 is reset, the fixing bolt 302 is inserted into the inside of the limiting through hole 404, the hydraulic lifting column 202 is started to drive the limiting block 201 to move up and down, the L-shaped fixing arm 4 is driven to move, the L-shaped fixing arm 4 can drive the extruding roller 402 to extrude and fix the rear axle on the supporting roller 102, the rear axle is required to rotate, the adjusting motor 403 is started to drive the extruding roller 402 to rotate, the extruding roller 402 can drive the rear axle to rotate together, and thus the fixing angle of the rear axle is adjusted.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automobile rear axle welding jig, includes support (1), its characterized in that: limiting sliding grooves (2) are formed in the front face of the support (1), limiting blocks (201) are slidably mounted in the limiting grooves (2), hinge blocks (3) are fixedly mounted on the front face of the limiting blocks (201), L-shaped fixing arms (4) are connected in the hinge blocks (3) through shaft rotation, second roller supports (401) are fixedly mounted at one ends of the L-shaped fixing arms (4), second roller supports (401) are rotatably mounted on the L-shaped fixing arms (4), first roller support frames (101) are fixedly mounted on the support (1), and two supporting rollers (102) are rotatably mounted on the first roller support frames (101).

2. The automotive rear axle welding jig of claim 1, wherein: the limiting chute (2) is internally and fixedly provided with a hydraulic lifting column (202), and the other end of the hydraulic lifting column (202) is fixedly connected with the lower surface of the limiting block (201).

3. The automotive rear axle welding jig of claim 1, wherein: the hinge block (3) is fixedly provided with a fixing foot (301), and a fixing bolt (302) is arranged in the fixing foot (301).

4. The automotive rear axle welding jig of claim 1, wherein: limiting through holes (404) are formed in the L-shaped fixing arms (4), and the limiting through holes (404) are matched with the fixing bolts (302).

5. The automotive rear axle welding jig of claim 1, wherein: an adjusting motor (403) is fixedly arranged on one side of the second roller support (401), and the output end of the adjusting motor (403) is fixedly connected with the extrusion roller (402).

6. The automotive rear axle welding jig of claim 1, wherein: anti-skid rubber is fixedly arranged on the surfaces of the supporting roller (102) and the extrusion roller (402).