CN220659757U

CN220659757U - Cab skeleton welding fixture

Info

Publication number: CN220659757U
Application number: CN202322278720.1U
Authority: CN
Inventors: 孙洪功; 李旭功; 李云霞; 甘以民; 赵辉绩; 聂长海; 蔡亦文
Original assignee: Outmet Transportation Technology Co Ltd
Current assignee: Outmet Transportation Technology Co Ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-03-26
Anticipated expiration: 2033-08-24

Abstract

The utility model belongs to the technical field of rail transit process equipment, and particularly relates to a cab framework welding tool, which comprises a base assembly, a rear end support beam assembly, a front end support beam assembly and a top beam assembly, wherein the rear end support beam assembly and the front end support beam assembly are arranged on the base assembly; the main body structure of the base assembly comprises a base frame, a mounting plate and a first connecting plate which are welded on the base frame, and a positioning block welded on the mounting plate; the main body structure of the rear end supporting beam assembly comprises a rear end supporting frame, a second connecting plate welded at the bottom end of the rear end supporting frame, a short supporting beam and a long supporting beam welded at the side edges of the rear end supporting frame, a cushion block welded at the top of the rear end supporting frame, a third connecting plate, a stop and a small positioning block; the main body structure of the front end support beam assembly comprises a front end support frame, and an end positioning block and a fourth connecting plate which are welded on the front end support frame; the main body structure of the top beam assembly comprises a top frame, a fifth connecting plate welded on the top frame, a top positioning block and an end positioning block, and good ventilation and heat dissipation effects can be achieved during welding.

Description

Cab skeleton welding fixture

Technical field:

the utility model belongs to the technical field of rail transit process equipment, and particularly relates to a cab framework welding tool which is used for welding cab framework products.

The background technology is as follows:

the cab framework is positioned at the head of the railway vehicle and is a bearing part for connecting the cab hood and the cab inside, and has enough strength, rigidity and manufacturing precision to ensure the installation requirements of the inside and the hood. And secondly, the vehicle is not required to be distorted or broken in the running process, so that the safe running of the vehicle is ensured. Cab skeleton welding frock among the prior art faces the manufacturing accuracy height when actual production, and flatness and straightness tolerance range are little, and is bulky, and the quality is heavy, and the turnover is difficult, weld strength and dimensional tolerance requirement height scheduling problem. For example, chinese patent 202221371560.4 discloses a frock is used in rail vehicle cab skeleton equipment welding, including the U-shaped base, fixed through-hole has been seted up to the upper surface of U-shaped base, and fixed through-hole's pore wall fixedly connected with stay tube, the top outer wall of stay tube has passed through antifriction bearing and has fixedly sleeved with U-shaped board, the upper surface fixedly connected with backup pad of U-shaped board, the lower fixed surface of U-shaped board is connected with rotary mechanism, the upper surface of backup pad passes through bolt fixedly connected with blend stop, a plurality of fixed screw with bolt matched with have been seted up along the horizontal direction to the upper surface of backup pad, the equal fixedly connected with fixed plate of both sides outer wall of backup pad, one of them the through-hole has been seted up to the outer wall of fixed plate, and the pore wall fixedly connected with electric putter of through-hole, two the outer wall of fixed plate has all seted up the round hole, and the pore wall fixedly connected with fixture of round hole, the lower surface fixedly connected with air tank of backup pad, the outer wall fixedly connected with air pump of air tank, the output of air pump fixedly communicates the check valve, the output of air tank and the outer wall of check valve fixedly communicates. The utility model discloses a B type train cab skeleton assembly welding frock, the on-line screen storage device comprises a base, the equal fixedly connected with first pillar of top rear end left and right sides of base, the top of first pillar is fixedly connected with both ends about the bottom of first bracing piece respectively, the front side middle part of first bracing piece and both ends all are provided with bearing structure about the bottom, the equal fixedly connected with connecting pipe of front end downside of first pillar, the top of connecting pipe all is provided with curved surface positioning mechanism, curved surface positioning mechanism's top front end is fixedly connected with both ends about the bottom of second bracing piece respectively, the front side middle part of second bracing piece is provided with first lower part location structure, the front side of second bracing piece is located the left and right sides of first lower part location structure and all is provided with second lower part location structure, the top of base is located two support columns of second bracing piece rear side fixedly connected with, the rear side top fixedly connected with third bracing piece of support column, the top center department of third bracing piece is provided with upper portion support protection machanism, the top protection machanism is located the top of third bracing piece and is provided with the bottom protection machanism. The utility model provides a cab aluminum alloy skeleton welding jig that chinese patent 202220924108.X discloses, the on-line screen storage device comprises a base, the base is provided with two, the upper end fixedly connected with mounting bracket of base, the mounting bracket is "L" plate body structure, first spout has all been seted up to the inside both sides of mounting bracket, and first spout is logical groove, two first motors that the symmetry set up are installed to the upper end of mounting bracket, the output of first motor runs through the mounting bracket through the shaft coupling and installs first threaded rod, first threaded rod surface runs through and threaded connection has first slider, first slider and first spout sliding connection, the cylinder is installed to the one end of first slider, the output of cylinder runs through first slider and first slider sliding connection and fixedly connected with movable plate, be provided with fixture on the movable plate, the upper surface of base is provided with welding mechanism. Therefore, the cab framework welding tool meeting the welding precision and the welding strength is developed and designed, and has positive economic and social values.

The utility model comprises the following steps:

the utility model aims to overcome the defects in the prior art, develop and design a cab framework welding tool, realize the purpose of completing welding work by one-time clamping and improve the production efficiency.

In order to achieve the above purpose, the main structure of the cab skeleton welding fixture comprises a base assembly, a rear end supporting beam assembly, a front end supporting beam assembly and a top beam assembly, wherein the rear end supporting beam assembly and the front end supporting beam assembly are arranged on the base assembly; the main body structure of the base assembly comprises a base frame, a mounting plate and a first connecting plate which are welded on the base frame, and a positioning block welded on the mounting plate; the main body structure of the rear end support beam assembly comprises a rear end support frame formed by welding a front cross beam, a rear cross beam and a bracket, a second connecting plate welded at the bottom end of the rear end support frame, a short support beam and a long support beam welded at the side edges of the rear end support frame, a cushion block welded at the top of the rear end support frame, a third connecting plate, a stop and a small positioning block; in addition, a small positioning block with a stop is welded on the long supporting beam, and a large positioning block is welded on the short supporting beam; the main body structure of the front end support beam assembly comprises a front end support frame formed by welding a vertical beam, a cross beam and a reinforcing beam, and an end positioning block and a fourth connecting plate which are welded on the front end support frame; the main body structure of the top beam assembly comprises a top frame, a fifth connecting plate welded on the top frame, a top positioning block and an end positioning block.

The base assembly is connected with the front end support beam assembly and the rear end support beam assembly through the connecting plates; the mounting plate is made of aluminum and aluminum alloy, and a plurality of through holes with rectangular structures are formed in the periphery of the mounting plate, so that F pliers can be clamped conveniently; the horizontal position of the short supporting beam is higher than that of the long supporting beam; the shape of the positioning block, the small positioning block, the large positioning block, the end positioning block, the top positioning block and the end positioning block 44 is matched with the shape of the cab framework.

Compared with the prior art, the welding fixture has the advantages that the main structure is formed by welding the channel steel and the steel pipe, the bearing capacity is enough, the positioning piece is made of aluminum alloy, the connecting plate is convenient for the installation, connection and fixation of each part, and when the welding fixture is used, the welding of the cab framework can be completed by one-time clamping, so that the dimensional precision and the production efficiency of a welded product are improved, the turnover times of parts in the production process are reduced, and the welding precision and the welding strength are met; the structure is simple, the use and operation are convenient, the working hours are saved, and the good ventilation and heat dissipation effects can be achieved during welding.

Description of the drawings:

fig. 1 is a schematic diagram of the principle of the main structure of the present utility model.

Fig. 2 is a schematic main structure of a base assembly according to the present utility model.

Fig. 3 is a schematic main body structure of the front end support beam assembly according to the present utility model.

Fig. 4 is a schematic main body structure of the rear end support beam assembly according to the present utility model.

Fig. 5 is a schematic view of the main structure of the roof rail assembly according to the present utility model.

The specific implementation method comprises the following steps:

the utility model will be further described with reference to the drawings and the detailed description.

Example 1:

the main body structure of the cab skeleton welding tool comprises a base assembly 1, a rear end support beam assembly 2, a front end support beam assembly 3 and a top beam assembly 4; the base assembly 1 is provided with a rear end supporting beam assembly 2 and a front end supporting beam assembly 3, and the rear end supporting beam assembly 2 is provided with a top beam assembly 4.

The main structure of the base assembly 1 related to the embodiment comprises a base frame 11, a mounting plate 12, a first connecting plate 13, a first positioning block 14, a second positioning block 15, a third positioning block 16 and a fourth positioning block 17; the base frame 11 of rectangular structure is provided with mounting panel 12 of U-shaped structure, leak be provided with first connecting plate 13 on the node of base frame 11 in the U-shaped groove outward, be provided with the eight locating pieces of bilateral symmetry on the mounting panel 12, no. one locating piece 14, no. two locating pieces 15 and No. three locating pieces 16 set up in the both sides limit of mounting panel 12, no. four locating pieces 17 set up in the base frame 12, wherein, base frame 11 and mounting panel 12 welded connection, no. one locating piece 14 is L-shaped structure, no. two locating pieces 15's high both sides are low in the middle, no. three locating pieces 16 are wedge-shaped structure, no. four locating pieces 17 are rectangular structure.

The main body structure of the rear end support beam assembly 2 related to the embodiment comprises a front cross beam 20, a rear cross beam 21, a bracket 22, a second connecting plate 23, a short support beam 24, a long support beam 25, a cushion block 26, a third connecting plate 27, a stop 28, a small positioning block 29 and a large positioning block 30; the middle and two ends of the front beam 20 and the rear beam 21 which are parallel to each other are connected through three H-shaped brackets 22, a second connecting plate 23 is arranged at the bottom end of each bracket 22, a short supporting beam 24 is arranged on one side of the front beam 20 on the brackets 22 at the two ends, a long supporting beam 25 is arranged on one side of the rear beam 22, cushion blocks 26 are arranged on the front beam 20 and the rear beam 21, a third connecting plate 27 is arranged on each cushion block 26, small positioning blocks 29 with stop blocks 28 are arranged on the two ends of the rear beam 21 and the long supporting beam 25, and a large positioning block 30 is arranged on the short supporting beam 24.

The main body structure of the front end support beam assembly 3 related to the embodiment comprises a vertical beam 31, a cross beam 32, an end positioning block 33, a reinforcing beam 34 and a fourth connecting plate 35; two mutually parallel vertical beams 31 are connected through a cross beam 32, an end positioning block 33 is arranged at the top end of each vertical beam 31, a reinforcing beam 34 of an inclined structure is arranged at the joint of each vertical beam 31 and the cross beam 32, and a fourth connecting plate 35 is arranged at the bottom ends of each vertical beam 31 and each reinforcing beam 34.

The main body structure of the top beam assembly 4 related to the embodiment comprises a top frame 41, a fifth connecting plate 42, a top positioning block 43 and an end positioning block 44; the bottom of the top frame 41 is provided with a fifth connecting plate 42, the top is provided with a top positioning block 43, and two side edges of the front end are provided with end positioning blocks 44, wherein the two top positioning blocks 43 at the rear end are in mirror symmetry.

The base assembly 1 that this embodiment relates to comprises the welding of channel-section steel, and rear end supporting beam assembly 2, front end supporting beam assembly 3 and back timber assembly 4 are by the steel pipe welding constitution, and all are provided with the mounting hole that matches with the locating piece on base assembly 1, rear end supporting beam assembly 2, front end supporting beam assembly 3 and the back timber assembly 4, and the processing benchmark is unanimous to guarantee the precision after the equipment.

Claims

1. The main structure of the cab framework welding tool comprises a base assembly, a rear end supporting beam assembly, a front end supporting beam assembly and a top beam assembly, wherein the rear end supporting beam assembly and the top beam assembly are arranged on the rear end supporting beam assembly; the main body structure of the rear end support beam assembly comprises a rear end support frame formed by welding a front cross beam, a rear cross beam and a bracket, a second connecting plate welded at the bottom end of the rear end support frame, a short support beam and a long support beam welded at the side edges of the rear end support frame, a cushion block welded at the top of the rear end support frame, a third connecting plate, a stop and a small positioning block; in addition, a small positioning block with a stop is welded on the long supporting beam, and a large positioning block is welded on the short supporting beam; the main body structure of the front end support beam assembly comprises a front end support frame formed by welding a vertical beam, a cross beam and a reinforcing beam, and an end positioning block and a fourth connecting plate which are welded on the front end support frame; the main body structure of the top beam assembly comprises a top frame, a fifth connecting plate welded on the top frame, a top positioning block and an end positioning block.

2. The cab skeleton welding fixture of claim 1, wherein a mounting plate of a U-shaped structure is arranged on the base frame of the rectangular structure, a first connecting plate is arranged on a node of the base frame which leaks out of the U-shaped groove, eight left-right symmetrical positioning blocks are arranged on the mounting plate, a first positioning block, a second positioning block and a third positioning block are arranged on two sides of the mounting plate, a fourth positioning block is arranged on the bottom edge of the mounting plate, the base frame is connected with the mounting plate in a welding mode, the first positioning block is of an L-shaped structure, the middle of the second positioning block is high, the two sides of the second positioning block are low, the third positioning block is of a wedge-shaped structure, and the fourth positioning block is of a rectangular structure.

3. The cab skeleton welding fixture of claim 1, wherein the middle and two ends of the front beam and the rear beam which are parallel to each other are connected through three brackets with H-shaped structures, a second connecting plate is arranged at the bottom end of each bracket, a short supporting beam is arranged on one side of the front beam on the bracket at the two ends, a long supporting beam is arranged on one side of the rear beam, cushion blocks are arranged on the front beam and the rear beam, a third connecting plate is arranged on the cushion blocks, small positioning blocks with stops are arranged on the two ends of the rear beam and the long supporting beam, and a large positioning block is arranged on the short supporting beam.

4. The cab skeleton welding fixture of claim 1, wherein two mutually parallel vertical beams are connected through a cross beam, an end positioning block is arranged at the top end of each vertical beam, a reinforcing beam of an inclined structure is arranged at the joint of each vertical beam and the cross beam, and four connecting plates are arranged at the bottom ends of each vertical beam and each reinforcing beam.

5. The cab skeleton welding fixture of claim 4, wherein a fifth connecting plate is arranged at the bottom of the top frame, a top positioning block is arranged at the top of the top frame, end positioning blocks are arranged on two sides of the front end of the top frame, and the two top positioning blocks at the rear end of the top frame are in mirror symmetry.

6. The cab frame welding fixture of any one of claims 1-5, wherein mounting holes matched with the positioning blocks are formed in each of the base assembly, the rear end support beam assembly, the front end support beam assembly, and the top beam assembly.

7. The cab frame welding fixture of claim 6, wherein the base assembly is connected to the front end support beam assembly and the rear end support beam assembly by a connecting plate.

8. The cab skeleton welding fixture of claim 6, wherein the periphery of the mounting plate is provided with a plurality of through holes with rectangular structures.

9. The cab frame welding fixture of claim 6, wherein the horizontal position of the short strut is higher than the horizontal position of the long strut.

10. The cab skeleton welding fixture of claim 6, wherein the shape of the locating blocks, the small locating blocks, the large locating blocks, the end locating blocks, the top locating blocks, and the end locating blocks match the shape of the cab skeleton.