CN112958979A

CN112958979A - Special direction unit welding tool for passenger car

Info

Publication number: CN112958979A
Application number: CN202110193964.2A
Authority: CN
Inventors: 李焱; 蔡力波; 张长龙
Original assignee: Anhui Ankai Automobile Co Ltd
Current assignee: Anhui Ankai Automobile Co Ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-06-15

Abstract

The invention discloses a special steering gear assembling and welding tool for a passenger car, which comprises a bearing platform and a positioning assembly, wherein the bearing platform is arranged on the bearing platform; the bearing platform comprises two groups of cross beams and two groups of vertical beams; the two groups of cross beams and the two groups of vertical beams are respectively positioned on four sides of the right-angled quadrangle, the cross beams and the vertical beams are fixed by welding, a front limiting upright post is fixedly connected on one group of vertical beams, a middle section positioning cross beam is arranged between the two groups of vertical beams, two ends of the middle section positioning cross beam are respectively and fixedly connected with the two groups of cross beams, and the middle section positioning cross beam is positioned in the middle of the cross beam; the positioning device is simple to operate, safe and labor-saving to use, and capable of accurately determining the positioning size of the upper support of the steering gear through accurate positioning, and the finished products are attractive and uniform in size.

Description

Special direction unit welding tool for passenger car

Technical Field

The invention belongs to the technical field of passenger car welding, and particularly relates to a special steering gear assembling and welding tool for a passenger car.

Background

With the development of high-speed rail and aviation industry and the expansion of the demand of village communication, urban and rural buses become the key point of the development of most regions, wherein medium and small new energy buses are particularly favored. The existing 6-meter full-load public transport is used as a product with the largest sales volume and occupies a great share in daily production. It is extremely necessary to improve the production efficiency and quality of the product.

In production, the passenger car needs to be assembled after being manufactured into modules, so the steering gear box component needs to be welded to the framework in a splicing mode on site. The specific operation method comprises the steps of firstly finding a fixed point of the connecting beam according to the transverse and height positioning, welding the upper support of the pipe column according to the size after welding the connecting beam, and then welding the reinforcing inclined strut and the bonding support.

The operation method is related to the skill and experience of operators to a great extent, after the positioning is found, the operators need to hold the parts to be welded by one hand and determine the relative positions of the components, and the other hand holds the welding gun to weld the welding seam. Inside the full-bearing automobile body, the operation space is unfavorable for staff's operation, increases the welding degree of difficulty and the location degree of difficulty.

Disclosure of Invention

Aiming at the problems, the invention provides the assembly welding tool for the steering gear box special for the passenger car, which is simple to operate, safe and labor-saving to use, capable of accurately determining the positioning size of the upper bracket of the steering gear box through accurate positioning, attractive in finished product and uniform in size.

The purpose of the invention can be realized by the following technical scheme: a special steering gear assembling and welding tool for a passenger car comprises a bearing platform and a positioning assembly; the bearing platform comprises two groups of cross beams and two groups of vertical beams; the two groups of cross beams and the two groups of vertical beams are respectively positioned on four sides of the right-angled quadrangle, the cross beams and the vertical beams are fixed by welding, a front limiting upright post is fixedly connected on one group of vertical beams, a middle section positioning cross beam is arranged between the two groups of vertical beams, two ends of the middle section positioning cross beam are respectively and fixedly connected with the two groups of cross beams, and the middle section positioning cross beam is positioned in the middle of the cross beam; the positioning assembly comprises a first limit stop, a second limit stop, a third limit stop and a fourth limit stop; first limit stop and second limit stop fixed connection are on middle section location crossbeam, and the third limit stop is provided with two sets ofly, and two sets of third limit stop is fixed connection respectively on adjacent crossbeam and perpendicular roof beam, and fourth limit stop fixed connection is on preceding spacing stand.

The invention has further technical improvements that: the bearing platform is provided with an upper layer and a lower layer, four corners of the upper end of the lower bearing platform are fixedly provided with stand columns, and the upper ends of the stand columns are fixedly connected with the upper bearing platform.

The invention has further technical improvements that: the positioning component is fixedly connected with the bearing platform in a welding mode.

The invention has further technical improvements that: and the edges of the first limit stop, the second limit stop, the third limit stop and the fourth limit stop are provided with arc chamfers.

Compared with the prior art, the invention has the beneficial effects that:

1. put into the frock platform with the quarter bend in the direction machine bracket component and mounting panel in proper order on, need not to use measuring tool can pinpoint each part, can accomplish the welding of direction machine bracket component in batches. Avoid at the inside welding of automobile body, promoted the positioning accuracy. The difficulty of single welding is reduced, the stable product quality is guaranteed, the tool is easy to operate, the use is safe and labor-saving, the positioning size of the upper support of the accurate direction-determining machine is determined through accurate positioning, the finished product is attractive, and the size is uniform.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic top view of the present invention.

In the figure: 1. a load-bearing platform; 2. a positioning assembly; 3. a cross beam; 4. erecting a beam; 5. a column; 6. a front limiting upright post; 7. a middle section positioning beam; 8. a first limit stop; 9. a second limit stop; 10. a third limit stop; 11. a fourth limit stop; 12. a steering gear box bracket.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a special assembly welding tool for a steering gear of a passenger car comprises a bearing platform 1 and a positioning assembly 2; the bearing platform 1 comprises two groups of cross beams 3 and two groups of vertical beams 4; the two groups of cross beams 3 and the two groups of vertical beams 4 are respectively positioned on four sides of a right-angled quadrangle, the cross beams 3 and the vertical beams 4 are fixed by welding, a front limiting upright post 6 is fixedly connected on one group of vertical beams 4, a middle section positioning cross beam 7 is arranged between the two groups of vertical beams 4, two ends of the middle section positioning cross beam 7 are respectively fixedly connected with the two groups of cross beams 3, and the middle section positioning cross beam 7 is positioned in the middle of the cross beam 3; the positioning assembly 2 comprises a first limit stop 8, a second limit stop 9, a third limit stop 10 and a fourth limit stop 11; first limit stop 8 and second limit stop 9 fixed connection are on middle section location crossbeam 7, and third limit stop 10 is provided with two sets ofly, and two sets of third limit stop 10 are fixed connection respectively on adjacent crossbeam 3 and perpendicular roof beam 4, and fourth limit stop 11 fixed connection is on preceding spacing stand 6.

The bearing platform 1 is provided with an upper layer and a lower layer, four corners of the upper end of the lower layer bearing platform 1 are fixedly provided with stand columns 5, and the upper ends of the stand columns 5 are fixedly connected with the upper layer bearing platform 1.

The positioning component 2 and the bearing platform 1 are fixedly connected in a welding mode.

The edges of the first limit stop 8, the second limit stop 9, the third limit stop 10 and the fourth limit stop 11 are provided with arc chamfers.

The working principle is as follows: when the device is used, materials can be prepared in the whole vehicle welding process or in advance, the steering gear box support 12 is placed on the bearing platform 1, the supporting rod at one end of the steering gear box support 12 is limited through the first limit stop 8 and the third limit stop 10 on the vertical beam 4, the supporting rod at the other end of the steering gear box support 12 is limited through the second limit stop 9 and the third limit stop 10 on the cross beam 3, meanwhile, the fourth limit stop 11 positions a steering hole in the steering gear box support 12, accurate positioning welding of the steering gear box support 12 is achieved, positioning accuracy is improved, difficulty of single welding is reduced, and stable product quality is guaranteed.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a special direction machine assembly welding frock of passenger train which characterized in that: comprises a bearing platform (1) and a positioning component (2); the bearing platform (1) comprises two groups of cross beams (3) and two groups of vertical beams (4); the two groups of cross beams (3) and the two groups of vertical beams (4) are respectively positioned on four sides of a right-angled quadrangle, the cross beams (3) and the vertical beams (4) are fixed by welding, a front limiting upright post (6) is fixedly connected to one group of vertical beams (4), a middle section positioning cross beam (7) is arranged between the two groups of vertical beams (4), two ends of the middle section positioning cross beam (7) are respectively and fixedly connected with the two groups of cross beams (3), and the middle section positioning cross beam (7) is positioned in the middle of the cross beams (3); the positioning assembly (2) comprises a first limit stop (8), a second limit stop (9), a third limit stop (10) and a fourth limit stop (11); first limit stop (8) and second limit stop (9) fixed connection are on middle section location crossbeam (7), and third limit stop (10) are provided with two sets ofly, and two sets of third limit stop (10) are fixed connection respectively on adjacent crossbeam (3) and perpendicular roof beam (4), and fourth limit stop (11) fixed connection is on preceding spacing stand (6).

2. The assembling and welding tool for the steering gear special for the passenger car according to claim 1, wherein the bearing platform (1) is provided with an upper layer and a lower layer, four corners of the upper end of the lower layer bearing platform (1) are fixedly provided with stand columns (5), and the upper ends of the stand columns (5) are fixedly connected with the upper layer bearing platform (1).

3. The assembling and welding tool for the steering gear special for the passenger car according to claim 1, wherein the positioning component (2) is fixedly connected with the bearing platform (1) in a welding mode.

4. The assembly welding tool for the steering gear of the passenger car according to claim 1, wherein the edges of the first limit stop (8), the second limit stop (9), the third limit stop (10) and the fourth limit stop (11) are provided with arc chamfers.