CN213053508U

CN213053508U - Limiting device for welding automobile frame

Info

Publication number: CN213053508U
Application number: CN202021913752.4U
Authority: CN
Inventors: 雷先华
Original assignee: Hunan Institute of Traffic Engineering
Current assignee: Hunan Institute of Traffic Engineering
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-04-27
Anticipated expiration: 2030-09-04

Abstract

The utility model relates to the technical field of limiting devices, in particular to a limiting device for welding an automobile frame, which comprises a bracket, wherein the left end and the right end of the lower side of the bracket are both connected with a second limiting block in a sliding way, the inner side of the second limiting block is spirally connected with a first threaded shaft, the upper side of the first threaded shaft is rotatably connected with a first fixed block, the inner side of the first fixed block is spirally connected with a second threaded shaft, and the second threaded shaft is rotatably connected with the bracket, the utility model discloses a bracket, a clamping plate, a third threaded shaft, a fourth threaded shaft and a sliding block are arranged, the bracket is arranged at the lower end of the fracture part of the frame, a crack is arranged in the middle of the bracket, the clamping plate at the front end is moved downwards by rotating the third threaded shaft, the frames at both ends of the crack are matched with the clamping plate at the rear end, the fourth threaded shaft is rotated, the sliding blocks at both ends are, the device is small in size and convenient to carry and use.

Description

Limiting device for welding automobile frame

Technical Field

The utility model relates to a stop device technical field specifically is a stop device is used in welding of car frame.

Background

The frame is a frame structure bridged on the front axle and the rear axle of the automobile, is commonly called as a crossbeam, is a base body of the automobile, generally consists of two longitudinal beams and a plurality of cross beams, is supported on wheels through a suspension device, the front axle and the rear axle, and has the functions of supporting and connecting all assemblies of the automobile, keeping the assemblies at relatively correct positions and bearing various loads inside and outside the automobile.

Most of the current stop devices for welding automobile frames on the market are large in size, inconvenient to carry and use, can waste a large amount of time of operators to transport or adjust the position when in use, and the relative positions of two ends of a broken frame are finely adjusted to cause inconvenient operation, so that a large amount of time is wasted in adjustment, and the work efficiency of welding workers is greatly slowed down.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stop device is used in welding of car frame to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a limiting device for welding an automobile frame comprises a support, wherein the left end and the right end of the lower side of the support are both connected with a second limiting block in a sliding mode, the inner side of the second limiting block is spirally connected with a first threaded shaft, the upper side of the first threaded shaft is rotatably connected with a first fixing block, the inner side of the first fixing block is spirally connected with a second threaded shaft, the second threaded shaft is rotatably connected with the support, the front end and the rear end of the upper side of the first fixing block are both connected with clamping plates in a sliding mode, the front side of the clamping plate positioned on the front side is spirally connected with a third threaded shaft, the clamping plate positioned on the rear side is rotatably connected with the third threaded shaft, the upper side of the clamping plate is rotatably connected with a fourth threaded shaft, the fourth threaded shaft penetrates through the clamping plate, the upper end and the lower end of the outer side of the fourth threaded shaft are both connected with sliding, the one end fixedly connected with second fixed block at support center is kept away from to second threaded shaft upside, the inboard screwed connection of second fixed block has the fifth threaded shaft, the one end rotation that the support center was kept away from to the fifth threaded shaft is connected with first stopper, and first stopper and second threaded shaft sliding connection, the inboard fixedly connected with second fixture block of first stopper.

Preferably, the handle is fixedly connected to the lower end of the first threaded shaft, and a strip-shaped protrusion is arranged on the outer side of one end, away from the center of the bracket, of the second threaded shaft.

Preferably, the sliding groove is formed in the inner side of the support, two ends of the second threaded shaft are located in the sliding groove to rotate, and the second threaded shaft penetrates through the first fixing block.

Preferably, the upper end of the fourth threaded shaft is in a cylindrical shape, a first clamping block is fixedly connected to the upper end of the outer side of the fourth threaded shaft and is rotatably connected with the clamping plate, and the upper end and the lower end of the thread of the fourth threaded shaft are symmetrically arranged.

Preferably, the second fixture block is in a triangular prism shape, triangular clamping grooves are formed in the left end and the right end of the inner side of the support, and the fifth threaded shaft penetrates through the second fixture block.

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

1. in the utility model, the bracket is arranged at the lower end of the fracture part of the frame through the arranged bracket, the clamp plate, the third threaded shaft, the fourth threaded shaft and the slide block, the crack is positioned in the middle of the bracket, the third threaded shaft is rotated to ensure the clamp plate positioned at the front end to move downwards, the clamp plate at the rear end is matched to move the frames at two ends of the crack, and then the fourth threaded shaft is rotated to ensure the slide blocks at the two ends to move towards the middle of the fourth threaded shaft, thereby clamping the frames and limiting and fixing the frames, the device has small volume and is convenient to carry and use;

2. the utility model discloses in, first threaded spindle through setting up, second threaded spindle and first fixed block, after splint fix the frame, hold the handle, rotate first threaded spindle, it reciprocates to drive first fixed block, thereby make the frame at frame breach both ends reciprocate, carry out the position adjustment, rotate second threaded spindle, it removes to the support middle to drive first fixed block, but maximum reduction breach, support and splint join in marriage and, can make breach both ends frame be located the coplanar, rotate fifth threaded spindle at last again, make first stopper and second fixture block advance in the recess of support, fix the position of splint, it welds again after finely tuning to breach both ends frame to have made things convenient for.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the mounting structure of the slider of the present invention;

FIG. 3 is a schematic sectional view of the first stopper of the present invention;

fig. 4 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.

In the figure: the clamping device comprises a support 1, a first threaded shaft 2, a handle 3, a first fixing block 4, a second threaded shaft 5, a clamping plate 6, a third threaded shaft 7, a fourth threaded shaft 8, a first clamping block 9, a sliding block 10, a rubber pad 11, a second fixing block 12, a fifth threaded shaft 13, a first limiting block 14, a second clamping block 15 and a second limiting block 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a limiting device for welding an automobile frame comprises a support 1, wherein the left end and the right end of the lower side of the support 1 are both connected with a second limiting block 16 in a sliding mode, the inner side of the second limiting block 16 is spirally connected with a first threaded shaft 2, the upper side of the first threaded shaft 2 is rotatably connected with a first fixing block 4, the inner side of the first fixing block 4 is spirally connected with a second threaded shaft 5, the second threaded shaft 5 is rotatably connected with the support 1, the front end and the rear end of the upper side of the first fixing block 4 are both connected with clamping plates 6 in a sliding mode, the front side of each clamping plate 6 positioned on the front side is spirally connected with a third threaded shaft 7, each clamping plate 6 positioned on the rear side is rotatably connected with the third threaded shaft 7, the upper side of each clamping plate 6 is rotatably connected with a fourth threaded shaft 8, each fourth threaded shaft 8 penetrates through each clamping plate 6, the upper end and the lower end of the outer side of each fourth threaded shaft 8 are, slider 10 and splint 6 sliding connection, the one end fixedly connected with second fixed block 12 at support 1 center is kept away from to 5 upsides of second threaded shaft, the inboard threaded connection of second fixed block 12 has fifth threaded shaft 13, the one end rotation that support 1 center was kept away from to fifth threaded shaft 13 is connected with first stopper 14, and first stopper 14 and 5 sliding connection of second threaded shaft, the inboard fixedly connected with second fixture block 15 of first stopper 14.

The handle 3 is fixedly connected to the lower end of the first threaded shaft 2, a long-strip-shaped bulge is arranged on the outer side of one end, away from the center of the support 1, of the second threaded shaft 5, friction force between the first threaded shaft 2 and the second threaded shaft 5 and between the first threaded shaft and the hand is increased, and labor is saved when the first threaded shaft 2 and the second threaded shaft 5 rotate; a sliding groove is formed in the inner side of the support 1, two ends of a second threaded shaft 5 are positioned in the sliding groove to rotate, and the second threaded shaft 5 penetrates through the first fixing block 4, so that the second threaded shaft 5 can rotate or slide up and down in the support 1; the upper end of the fourth threaded shaft 8 is arranged in a cylindrical shape, the upper end of the outer side of the fourth threaded shaft 8 is fixedly connected with a first clamping block 9, the first clamping block 9 is rotatably connected with the clamping plate 6, the upper end and the lower end of the thread of the fourth threaded shaft 8 are symmetrically arranged, the position of the fourth threaded shaft 8 is limited, the fourth threaded shaft 8 rotates inside the first fixing block 4 and is stable, and the two sliding blocks 10 on the fourth threaded shaft 8 are mutually extruded along with the rotation of the fourth threaded shaft 8; the second fixture block 15 is triangular prism-shaped, triangular clamping grooves are formed in the left end and the right end of the inner side of the support 1, the fifth threaded shaft 13 penetrates through the second fixing block 12, the position of the second threaded shaft 5 is fixed, and the second threads 5 cannot rotate or move.

The working process is as follows: when the vehicle frame is limited, the bracket 1 is placed at the lower end of the fracture part of the vehicle frame, the gap is positioned in the middle of the bracket 1, the third threaded shaft 7 is rotated to enable the clamping plate 6 positioned at the front end to move downwards, the clamping plate 6 at the rear end is matched to clamp the vehicle frames at two ends of the gap, the fourth threaded shaft 8 is rotated to enable the sliding blocks 10 at two ends to move towards the middle of the fourth threaded shaft 8, so as to clamp the vehicle frames and limit and fix the vehicle frames, after the vehicle frames are fixed by the clamping plate 6, the handle 3 is held by hand, the first threaded shaft 2 is rotated to drive the first fixing block 4 to move up and down, so as to enable the vehicle frames at two ends of the gap to move up and down, position adjustment is carried out, the second threaded shaft 5 is rotated to drive the first fixing block 4 to move towards the middle of the bracket 1, the gap can be reduced to the maximum degree, the bracket 1 and the clamping plate 6 are matched, the vehicle, the first stopper 14 and the second stopper 15 are engaged into the groove of the bracket, the position of the second thread 5 is fixed to fix the relative position between the cleat 6 and the frame, and then the frame is welded.

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

Claims

1. The utility model provides a stop device is used in welding of car frame, includes support (1), its characterized in that: the left end and the right end of the lower side of the bracket (1) are both connected with a second limiting block (16) in a sliding manner, the inner side of the second limiting block (16) is spirally connected with a first threaded shaft (2), the upper side of the first threaded shaft (2) is connected with a first fixed block (4) in a rotating manner, the inner side of the first fixed block (4) is spirally connected with a second threaded shaft (5), the second threaded shaft (5) is rotatably connected with the bracket (1), the front end and the rear end of the upper side of the first fixed block (4) are both connected with clamping plates (6) in a sliding manner, the front side of the clamping plate (6) positioned at the front side is spirally connected with a third threaded shaft (7), the clamping plate (6) positioned at the rear side is rotatably connected with the third threaded shaft (7), the upper side of the clamping plate (6) is rotatably connected with a fourth threaded shaft (8), the fourth threaded shaft (8) penetrates through the clamping plate (6), the upper end and the, slider (10) are close to one side fixedly connected with rubber pad (11) at splint (6) center, slider (10) and splint (6) sliding connection, support (1) central one end fixedly connected with second fixed block (12) are kept away from to second threaded shaft (5) upside, the inboard spiral connection of second fixed block (12) has fifth threaded shaft (13), the one end rotation of keeping away from support (1) center in fifth threaded shaft (13) is connected with first stopper (14), and first stopper (14) and second threaded shaft (5) sliding connection, the inboard fixedly connected with second fixture block (15) of first stopper (14).

2. The limiting device for welding the automobile frame according to claim 1, wherein: the handle (3) is fixedly connected to the lower end of the first threaded shaft (2), and a strip-shaped bulge is arranged on the outer side of one end, away from the center of the support (1), of the second threaded shaft (5).

3. The limiting device for welding the automobile frame according to claim 1, wherein: the support (1) inboard has been seted up the spout, and second threaded shaft (5) both ends are located the spout internal rotation, first fixed block (4) are run through in second threaded shaft (5).

4. The limiting device for welding the automobile frame according to claim 1, wherein: fourth threaded shaft (8) upper end is cylindric setting, and fourth threaded shaft (8) outside upper end fixedly connected with first fixture block (9), and first fixture block (9) rotate with splint (6) and be connected, both ends symmetry sets up about the screw thread of fourth threaded shaft (8).

5. The limiting device for welding the automobile frame according to claim 1, wherein: the second clamping block (15) is in a triangular prism shape, triangular clamping grooves are formed in the left end and the right end of the inner side of the support (1), and the fifth threaded shaft (13) penetrates through the second fixing block (12).