CN215238745U

CN215238745U - Rotary welding tool for end structure

Info

Publication number: CN215238745U
Application number: CN202120600720.7U
Authority: CN
Inventors: 农邦科; 杨卫林; 陈滔; 黄赞攀; 谢璇伟; 梁艺蓝
Original assignee: Nanning CRRC Aluminum Precision Processing Co Ltd
Current assignee: Nanning CRRC Aluminum Precision Processing Co Ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-12-21
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses a tip structure spin welding frock relates to machining technical field. The utility model discloses a rotatory roof beam, bracing piece, dead lever and tip subassembly, rotatory roof beam upper end is fixed with the bracing piece, and rotatory roof beam upper end is fixed with the dead lever, and the laminating has the tip subassembly on the rotatory roof beam. The utility model discloses a rotatory roof beam, bracing piece, dead lever and tip subassembly have solved the most project that only corresponds of current tip structure welding frock, can not adapt to the fixed of the different project tip structures, and the commonality is low, and screw rod class consume is very fast, and the anti-deformation volume that the frock provided is limited, and the product precision is low, problem that production efficiency is low.

Description

Rotary welding tool for end structure

Technical Field

The utility model belongs to the technical field of machining, especially, relate to a tip structure spin welding frock.

Background

Tip structure, be the structure that sets up in vehicle front end or rear end, it sets up the collision energy that can effectively absorb the vehicle front portion or rear portion and produce when suffering the collision, be used for reducing the influence of this kind of collision energy to vehicle driver's cabin and navigating mate, be the vehicle, the indispensable part of production such as train, at tip structure welding process's in-process, for guaranteeing welded accurate stability, it is fixed to place tip structure on welding fixture and press from both sides it to press from both sides usually, tip structure assembly welding fixture can greatly reduced staff's work degree, practice thrift the personnel selection cost, improve workshop operation environment, the welding efficiency of product is improved, but it still has following drawback in the in-service use:

1. most of the existing end structure welding tools only correspond to one project for production, when the end structures of different projects are produced, a plurality of different welding tools need to be arranged due to different sizes of the end structures among the different projects, and the requirement for simultaneously arranging a plurality of welding tools is difficult to meet due to limited space in a welding factory building, so that the universality is low;

2. the screw part of the existing end structure welding tool is high in repeated use loss, the reversible deformation amount provided by the tool is limited, the leveling is needed to be carried out after welding to meet the design requirement, time and labor are wasted, the produced product is low in precision, and the production efficiency is reduced.

Therefore, the existing end structure spin welding tool cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tip structure spin welding frock through rotatory roof beam, bracing piece, dead lever and tip subassembly, has solved the most project that only corresponds of current tip structure welding frock, can not adapt to the fixed of the different project tip structures, and the commonality is low, and screw rod class consume is very fast, and the anti-deformation volume that the frock provided is limited, and the product precision is low, problem that production efficiency is low.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an end structure spin welding tool, which comprises a spin beam, a support rod, a fixed rod and an end component, wherein the upper end of the spin beam is fixed with the support rod, the end component can be clamped in the vertical direction through the synergy of the spin beam and the support rod, the stability of the utility model during welding is ensured, the welding precision is improved, the upper end of the spin beam is fixed with the fixed rod, the end component can be clamped in the horizontal direction through the synergy of the spin beam and the fixed rod, the welding precision of the utility model is ensured, the end component is laminated on the upper end of the spin beam, the spin beam can drive the utility model discloses rotating in the vertical direction, the tool position can be changed rapidly, the worker can weld rapidly, the production efficiency is improved, the utility model discloses a plurality of support rods and the fixed rod are fixed to the end component, the welding deformation of the product is restrained, ensuring that the size of the welded product meets the design requirement.

Furthermore, a corbel mounting support plate is fixed to the front side of the upper end of the rotating beam, an end support plate is fixed to the rear side, located on the rear side, of the corbel mounting support plate, of the upper end of the rotating beam, a second support block is fixed to the two sides of the upper surface of the end support plate, a traction beam compression positioning plate is fixed to the rear side, located on the upper end of the end support plate, of the upper end of the rotating beam, a first fixing plate is fixed to the center of the front end of the upper surface of the traction beam compression positioning plate, second fixing plates are fixed to the two ends of the rotating beam, a first support block is fixed to the upper surface of the rotating beam, the corbel mounting support plate, the end support plate and the traction beam compression positioning plate can be driven to rotate in the vertical direction through the rotating beam, convenience is brought to welding of workers in different directions of the end assembly, and labor and time costs are saved.

Further, the bracing piece upper end is run through the switching and is had the rotating rod, the rotating rod uses the bracing piece to rotate as the axle center, the rotating rod is located the bracing piece other end and runs through to have connect soon the pilot clip, and the rotating rod is adapted to the end subassembly of different projects through the rotation at the bracing piece upper end, saves the fund input of new project frock development, and the pilot clip can reciprocate through the rotation in the rotating rod inboard and finely tune, guarantees welded stability.

Furthermore, the dead lever upper end is run through and has been connect soon rotatory fixation clamp, the dead lever upper end is fixed with two elastic fixation clamps, two elastic fixation clamp is located dead lever upper end reverse fixed, can remove in the horizontal direction through the inboard rotation of rotatory fixation clamp at the dead lever, can press from both sides the used tip subassembly of tight different projects, and elastic fixation clamp can compress tightly the tip subassembly, guarantees the welded precision, improves production efficiency.

Furthermore, one end of the upper surface of the corbel mounting support plate is fixedly connected with two limiting rods through bolts in a screwing way, the other end of the upper surface of the corbel mounting support plate is fixedly connected with two fixing rods and a rotary fixing clamp through bolts in a screwing way, the front side of the upper surface of the corbel mounting support plate is fixedly connected with two fixing rods and a rotary fixing clamp through bolts in a screwing way, the rear side of the upper surface of the corbel mounting support plate is fixedly connected with two limiting rods through bolts in a screwing way, two support frames are fixedly arranged on the upper surface of the corbel mounting support plate between the fixing rods and the limiting rods in a positioning way, the support frames are fixedly connected on the upper surface of the corbel mounting support plate through bolts in a screwing way, the upper ends of the support frames are fixedly connected with two positioning clamps through bolts in a penetrating way, the end part assemblies can be clamped in the vertical direction through the synergistic effect of the support frames and the corbel mounting support plate, and the end part assemblies can be clamped in the horizontal direction through the synergistic effect of the fixing rods and the limiting rods, the welding stability is ensured, the welding deformation of the product is restrained, and the size of the welded product is ensured to meet the design requirement.

Furthermore, the upper surface of the end supporting plate is fixedly connected with supporting rods through bolts in a screwing mode all around, a fixing rod and two elastic fixing clamps are fixed to the center of the upper surface of the end supporting plate, the end component can be clamped in the vertical direction through the synergistic effect of the supporting rods and the end supporting plate, the end component can be pressed tightly through the elastic fixing clamps, welding stability is guaranteed, and welding precision is improved.

Furthermore, the draw beam compresses tightly locating plate upper surface edgewise and connects soon through the bolt and is fixed with the bracing piece, the draw beam compresses tightly locating plate upper surface and is located first fixed plate both sides and is fixed with gag lever post and dead lever and rotatory fixation clamp, the draw beam compresses tightly locating plate upper surface and is located first fixed plate both ends and all is fixed with dead lever and two elastic fixation clamps, compresses tightly the cooperation of locating plate through bracing piece and draw beam and can press from both sides tight tip subassembly in vertical direction, can press from both sides tight tip subassembly in the horizontal direction through dead lever and gag lever post, can compress tightly tip subassembly in the horizontal direction through elastic fixation clamp, guarantees the welding precision.

Furthermore, a sleeper beam workpiece is attached to the front end of the end component, the sleeper beam workpiece is attached to the upper end of the first supporting block, the sleeper beam workpiece is fixed between the sleeper beam mounting supporting plate and the positioning clamp, the sleeper beam workpiece is fixed between the rotary fixing clamp and the limiting rod, the end component is attached to the upper ends of the first supporting block and the second supporting block, the end component is fixed between the end supporting plate and the positioning clamp, the end component is fixed to two sides of the elastic fixing clamp, a traction beam workpiece is attached to the rear side of the end component, the traction beam workpiece is attached to the upper end of the first supporting block, the traction beam workpiece is fixed between the traction beam pressing positioning plate and the positioning clamp, the front end of the traction beam workpiece is attached to the rear side of the first fixing plate, the front end of the traction beam workpiece is fixed between the first fixing plate and the rotary fixing clamp, and two sides of the front end of the traction beam workpiece are fixed between the rotary fixing clamp and the limiting rod, draw the roof beam work piece and be fixed in elastic fixation clamp both sides, can press from both sides tight tip subassembly in each position through rotatory roof beam, bracing piece and dead lever, guarantee welding stability to the rotation through locating clip and rotatory fixation clamp presss from both sides tightly and finely tunes the required tip subassembly of different projects, promotes the utility model discloses a commonality promotes the product precision, saves the fund of developing new projects, can retrain the welding deformation of product through elastic fixation clamp, guarantees that the product size accords with the designing requirement after the welding, and the setting of a plurality of bracing pieces and dead lever can avoid locating clip and rotatory fixation clamp's excessive rotation to lead to through gag lever post, first supporting shoe and second supporting shoe the utility model discloses the loss is very fast, prolongs the utility model discloses a life.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up rotatory roof beam, bracing piece and dead lever, it only corresponds a project production mostly to have solved current tip structure welding frock, when the tip structure of different projects of production, because the tip structure size is different between different projects, need set up the welding frock of a plurality of differences, because welding factory building inner space is limited, so hardly satisfy the demand that sets up a plurality of welding frock simultaneously, the problem that the commonality is low, rotation through the fixation clamp can press from both sides tight not unidimensional tip subassembly in vertical direction, rotation through the rotatory fixation clamp can press from both sides tight not unidimensional tip subassembly in the clamp of horizontal direction, guarantee the utility model discloses can fix the required product of different projects, need not set up a plurality of welding frock, save the required development fund of new project.

2. The utility model discloses a set up rotatory roof beam, bracing piece and dead lever, it is very fast to have solved current tip structure welding frock screw rod class part used repeatedly consume many times, the anti-deformation volume that the frock provided is limited, lead to need carry out the leveling again after the welding in order to reach the design demand, waste time and energy, the product precision that makes to produce is low, reduce production efficiency's problem, through a plurality of bracing pieces and dead lever, can be at each direction stiff end subassembly, can provide outside pressure in the tip subassembly inboard through the elastic fixation clamp, the welding deformation of restraint product, guarantee that the product welds the back aspect size and accords with the design requirement, through the gag lever post, first supporting shoe and second supporting shoe can avoid the excessive rotation of fixation clamp and rotatory fixation clamp to lead to the utility model discloses the loss is very fast, the extension the utility model discloses a service life.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

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 these drawings without creative efforts.

Fig. 1 is a top view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a rotating beam; 101. a supporting plate is arranged on the sleeper beam; 102. an end support plate; 103. the positioning plate is pressed by the traction beam; 104. a first support block; 105. a second support block; 106. a first fixing plate; 107. a second fixing plate; 2. a support bar; 201. rotating the rod; 202. positioning clips; 203. a support frame; 3. fixing the rod; 301. rotating the fixing clamp; 302. a limiting rod; 303. an elastic fixing clip; 4. an end assembly; 401. a bolster workpiece; 402. and drawing the beam workpiece.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Please refer to fig. 1-3, the utility model relates to an end structure spin welding frock, including rotatory roof beam 1, bracing piece 2, dead lever 3 and

tip subassembly

4, 1 upper ends of rotatory roof beam are fixed with bracing piece 2, can press from both sides tight tip subassembly 4 in vertical direction through the synergism of rotatory roof beam 1 and

bracing piece

2, and 1 upper ends of rotatory roof beam are fixed with dead lever 3, can press from both sides tight tip subassembly 4 in the horizontal direction through the synergism of rotatory roof beam 1 and dead lever 3, and the laminating of 1 upper ends of rotatory roof beam has tip subassembly 4, and rotatory roof beam 1 can drive the utility model discloses a rotation in vertical direction, the utility model discloses a fixed to tip subassembly 4 of a plurality of bracing pieces 2 and dead lever 3, the welding deformation of restraint product.

As shown in fig. 1-2, a bolster mounting support plate 101 is fixed on the front side of the upper end of a rotary beam 1, an end support plate 102 is fixed on the rear side of the bolster mounting support plate 101 on the upper end of the rotary beam 1, second support blocks 105 are fixed on the two sides of the upper surface of the end support plate 102, a draw beam pressing and positioning plate 103 is fixed on the rear side of the end support plate 102 on the upper end of the rotary beam 1, a first fixing plate 106 is fixed in the center of the front end of the upper surface of the draw beam pressing and positioning plate 103, second fixing plates 107 are fixed on the two ends of the rotary beam 1, a first support block 104 is fixed on the upper surface of the rotary beam 1, the bolster mounting support plate 101, the end support plate 102 and the draw beam pressing and positioning plate 103 can be driven to rotate in the vertical direction by the rotary beam 1, thereby facilitating the welding of workers at different directions of the end components 4 and saving manpower and time cost.

Wherein as shown in fig. 3, the upper end of the supporting rod 2 is connected with a rotating rod 201 in a penetrating and transferring manner, the rotating rod 201 rotates by using the supporting rod 2 as an axis, the rotating rod 201 is located at the other end of the supporting rod 2 and connected with a positioning clamp 202 in a penetrating and transferring manner, the upper end of the fixing rod 3 is connected with a rotating fixing clamp 301 in a penetrating and transferring manner, the upper end of the fixing rod 3 is fixed with two elastic fixing clamps 303, the two elastic fixing clamps 303 are located at the upper end of the fixing rod 3 and fixed reversely, the rotating rod 201 is adapted to the end components 4 of different projects through rotating at the upper end of the supporting rod 2, the positioning clamp 202 can finely move up and down through rotating at the inner side of the rotating rod 201, the welding stability is ensured, the rotating fixing clamp 301 at the inner side of the fixing rod 3 can move in the horizontal direction, the end components 4 for different projects can be clamped, and the elastic fixing clamps 303 can compress the end components 4.

Wherein, as shown in fig. 1, one end of the upper surface of the bolster installing and supporting plate 101 is fixed with two limit rods 302 through bolt screwing, the other end of the upper surface of the bolster installing and supporting plate 101 is fixed with two fixed rods 3 and a rotary fixing clamp 301 through bolt screwing, the front side of the upper surface of the bolster installing and supporting plate 101 is fixed with two fixed rods 3 and a rotary fixing clamp 301 through bolt screwing, the rear side of the upper surface of the bolster installing and supporting plate 101 is fixed with two limit rods 302 through bolt screwing, two supporting frames 203 are fixed between the fixed rods 3 and the limit rods 302 on the upper surface of the bolster installing and supporting plate 101, the supporting frames 203 are fixed on the upper surface of the bolster installing and supporting plate 101 through bolt screwing, the upper ends of the supporting frames 203 are connected with two positioning clamps 202 through bolt screwing, the supporting rods 2 are fixed on the periphery of the upper surface of the end supporting plate 102 through bolt screwing, the center of the upper surface of the end supporting plate 102 is fixed with a fixed rod 3 and two elastic fixing clamps 303, the upper surface of the traction beam pressing positioning plate 103 is screwed and fixed with a support rod 2 through a bolt along the edge, the upper surface of the traction beam pressing positioning plate 103 is positioned at two sides of a first fixing plate 106 and is fixed with a limiting rod 302, a fixing rod 3 and a rotating fixing clamp 301, the upper surface of the traction beam pressing positioning plate 103 is positioned at two ends of the first fixing plate 106 and is fixed with a limiting rod 302, a fixing rod 3 and two elastic fixing clamps 303, the upper surface of the traction beam pressing positioning plate 103 is positioned at two ends of the first fixing plate 106 and is fixed with a fixing rod 3 and two elastic fixing clamps 303, the end component 4 can be clamped in the vertical direction through the cooperation of a support frame 203 and a sleeper beam mounting support plate 101, the end component 4 can be clamped in the horizontal direction through the cooperation of the fixing rod 3 and the limiting rod 302, the end component 4 can be clamped in the vertical direction through the cooperation of the support rod 2 and the end support plate 102, and the end component 4 can be pressed through the elastic fixing clamps 303, the cooperation of pressing the locating plate 103 through the bracing piece 2 and the draw beam can clamp the end component 4 in the vertical direction, can clamp the end component 4 in the horizontal direction through the dead lever 3 and the gag lever post 302, can press down the end component 4 in the horizontal direction through the elastic fixing clamp 303.

As shown in fig. 1-2, the front end of the end component 4 is attached with a sleeper beam workpiece 401, the sleeper beam workpiece 401 is attached to the upper end of the first supporting block 104, the sleeper beam workpiece 401 is fixed between the sleeper beam mounting supporting plate 101 and the positioning clamp 202, the sleeper beam workpiece 401 is fixed between the rotary fixing clamp 301 and the limiting rod 302, the end component 4 is attached to the upper ends of the first supporting block 104 and the second supporting block 105, the end component 4 is fixed between the end supporting plate 102 and the positioning clamp 202, the end component 4 is fixed on both sides of the elastic fixing clamp 303, the rear side of the end component 4 is attached with a traction beam workpiece 402, the traction beam workpiece 402 is attached to the upper end of the first supporting block 104, the traction beam workpiece 402 is fixed between the traction beam pressing positioning plate 103 and the positioning clamp 202, the front end of the traction beam workpiece 402 is attached to the rear side of the first fixing plate 106, the front end of the traction beam workpiece 402 is fixed between the first fixing plate 106 and the rotary fixing clamp 301, draw beam work piece 402 front end both sides are fixed in between rotary fixing clamp 301 and gag lever post 302, draw beam work piece 402 is fixed in elastic fixation clamp 303 both sides, through rotatory roof beam 1, bracing piece 2 and dead lever 3 can be in each position clamping end portion subassembly 4, and press from both sides tightly and finely tune the required tip subassembly 4 of different projects through the rotation of fixation clamp 202 and rotary fixing clamp 301, can retrain the welding deformation of product through elastic fixation clamp 303, through gag lever post 302, first supporting shoe 104 and second supporting shoe 105 can avoid the excessive rotation of fixation clamp 202 and rotary fixing clamp 301 to lead to the utility model discloses the loss is very fast.

One specific application of this embodiment is: attaching a sleeper beam workpiece 401, an end component 4 and a draw beam workpiece 402 to a sleeper beam mounting support plate 101, an end support plate 102 and a draw beam pressing positioning plate 103, pressing the upper end of the positioning plate 103 outwards at the inner side of the end component 4 through an elastic fixing clamp 303, moving the positioning clamp 202 to the upper end of the end component 4 by rotating a rotating rod 201, clamping and finely adjusting the end component 4 through the rotating positioning clamp 202, ensuring the stability of the end component 4 in the vertical direction, clamping the end component 4 between a limiting rod 302 and a rotating fixing clamp 301 by rotating the rotating fixing clamp 301, ensuring the stability of the end component in the horizontal direction, improving the welding precision, restraining the welding deformation of a product, ensuring that the size of the product after welding meets the design requirements in terms of size, and avoiding the excessive rotation of the positioning clamp 202 and the rotating fixing clamp 301 to cause the utility model to have faster loss through the limiting rod 302, the first support block 104 and the second support block 105, the extension the utility model discloses a life can drive sleeper beam erection bracing board 101, tip backup pad 102 and draw beam through rotatory roof beam 1 and compress tightly locating plate 103 at the ascending rotation of vertical side, further drives tip subassembly 4's rotation, facilitates for the staff in the welding in tip subassembly 4 different position, uses manpower sparingly and time cost, the utility model discloses can be adapted to the welding of various size tip subassemblies 4, the commonality is strong, saves the fund input of new project frock development.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solutions recorded in the foregoing embodiments are modified, and some technical features thereof are replaced with equivalent ones, and any modification, equivalent replacement, and improvement made thereby all belong to the protection scope of the present invention.

Claims

1. The utility model provides an end structure spin welding frock, includes swivel beam (1), bracing piece (2), dead lever (3) and tip subassembly (4), its characterized in that: the rotary beam fixing device is characterized in that a supporting rod (2) is fixed to the upper end of the rotary beam (1), a fixing rod (3) is fixed to the upper end of the rotary beam (1), and an end component (4) is attached to the upper end of the rotary beam (1).

2. An end structure spin welding tool according to claim 1, characterized in that a bolster mounting support plate (101) is fixed to the front side of the upper end of the rotating beam (1), an end support plate (102) is fixed to the rear side of the bolster mounting support plate (101) of the upper end of the rotating beam (1), second support blocks (105) are fixed to two sides of the upper surface of the end support plate (102), a draw beam pressing and positioning plate (103) is fixed to the rear side of the end support plate (102) of the upper end of the rotating beam (1), a first fixing plate (106) is fixed to the center of the front end of the upper surface of the draw beam pressing and positioning plate (103), second fixing plates (107) are fixed to two ends of the rotating beam (1), and a first support block (104) is fixed to the upper surface of the rotating beam (1).

3. The end structure spin welding tool according to claim 1, wherein a rotating rod (201) is connected to the upper end of the supporting rod (2) in a penetrating manner, the rotating rod (201) rotates around the supporting rod (2), and a positioning clamp (202) is connected to the other end, located at the other end of the supporting rod (2), of the rotating rod (201) in a penetrating and screwing manner.

4. The end structure spin welding tooling of claim 1, characterized in that the upper end of the fixing rod (3) is screwed with a spin fixing clip (301), two elastic fixing clips (303) are fixed on the upper end of the fixing rod (3), and the two elastic fixing clips (303) are located on the upper end of the fixing rod (3) and fixed oppositely.

5. The end structure spin welding fixture of claim 2, wherein one end of the upper surface of the bolster mounting support plate (101) is fixed with two limiting rods (302) by bolting, the other end of the upper surface of the bolster mounting support plate (101) is fixed with two fixing rods (3) and a rotating fixing clamp (301) by bolting, the front side of the upper surface of the bolster mounting support plate (101) is fixed with two fixing rods (3) and a rotating fixing clamp (301) by bolting, the rear side of the upper surface of the bolster mounting support plate (101) is fixed with two limiting rods (302) by bolting, the upper surface of the bolster mounting support plate (101) is positioned between the fixing rods (3) and the limiting rods (302) and is fixed with two support frames (203), and the support frames (203) are fixed on the upper surface of the bolster mounting support plate (101) by bolting, two positioning clamps (202) are connected to the upper end of the support frame (203) in a penetrating and screwing mode.

6. The end structure spin welding tool according to claim 2, characterized in that the periphery of the upper surface of the end support plate (102) is fixedly connected with the support rod (2) through bolts in a screwing manner, and the center of the upper surface of the end support plate (102) is fixedly provided with the fixed rod (3) and two elastic fixing clamps (303).

7. The end structure spin welding tool according to claim 2, wherein the upper surface of the draw beam compression positioning plate (103) is fixed with a support rod (2) by screwing through a bolt along the edge, the upper surface of the draw beam compression positioning plate (103) is positioned at two sides of the first fixing plate (106) and is fixed with a limiting rod (302), a fixing rod (3) and a rotary fixing clamp (301), the upper surface of the draw beam compression positioning plate (103) is positioned at two ends of the first fixing plate (106) and is fixed with a limiting rod (302), a fixing rod (3) and a rotary fixing clamp (301), and the upper surface of the draw beam compression positioning plate (103) is positioned at two ends of the first fixing plate (106) and is fixed with a fixing rod (3) and two elastic fixing clamps (303).

8. The end structure spin welding tooling of claim 1, characterized in that the front end of the end component (4) is attached with a sleeper beam workpiece (401), the sleeper beam workpiece (401) is attached to the upper end of the first support block (104), the sleeper beam workpiece (401) is fixed between a sleeper beam mounting support plate (101) and a positioning clamp (202), the sleeper beam workpiece (401) is fixed between a spin fixing clamp (301) and a limiting rod (302), the end component (4) is attached to the upper ends of the first support block (104) and the second support block (105), the end component (4) is fixed between an end support plate (102) and the positioning clamp (202), the end component (4) is fixed to both sides of the elastic fixing clamp (303), the rear side of the end component (4) is attached with a draw beam workpiece (402), the draw beam workpiece (402) is attached to the upper end of the first support block (104), the draw beam workpiece (402) is fixed between the draw beam pressing positioning plate (103) and the positioning clamp (202), the front end of the draw beam workpiece (402) is attached to the rear side of the first fixing plate (106), the front end of the draw beam workpiece (402) is fixed between the first fixing plate (106) and the rotary fixing clamp (301), two sides of the front end of the draw beam workpiece (402) are fixed between the rotary fixing clamp (301) and the limiting rod (302), and the draw beam workpiece (402) is fixed on two sides of the elastic fixing clamp (303).