Positioning device for assembling and welding vehicle body structural member of highway-railway tractor

Abstract

The utility model discloses an assembling and welding positioning device for a vehicle body structural member of a highway-railway tractor, and relates to the technical field of vehicle assembling. The steering axle positioning assembly is used for supporting the steering axle, and the vertical plates on the two sides are positioned from the inner side face; the clamping assembly is matched with the steering axle positioning assembly, and the vertical plates on the two sides are positioned from the outer side face and the inner side face correspondingly. The railway bridge guide rail is supported by the railway bridge guide rail positioning assembly; the front cylinder is supported by the front cylinder positioning assembly; a vertical plate in the left-right direction and a vertical plate in the front-back direction are limited through the battery outer width positioning assembly, and the battery outer width positioning assembly and the clamping assembly are matched to clamp the vertical plate in the front; the rear cylinder is supported by the rear cylinder supporting assembly; the drive axle is supported by the drive axle positioning assembly; the supporting base is used for installing all the assemblies and supporting all the vertical plates. By means of the device, all structures of the highway-railway tractor body structural part can be integrally positioned, the more accurate positioning effect is achieved, and the welding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle assembly, and further relates to a welding and positioning device for body structural parts of a road-rail tractor. Background Art

[0002] The road-rail tractor is a dual-purpose vehicle that can travel on the ground and on tracks. During processing, the frame structure of the road-rail tractor needs to be welded and assembled. The current practice is to rely on manual marking and positioning before welding, and only the marking and positioning of the components can be performed two by two. The front axle and the rear axle are both positioned by 4 and 6 mounting holes. Marking cannot ensure parallelism with the vehicle body, front and rear axles, and that they are in the same plane; the railway bridge needs to be raised and lowered, and its positioning relies on marking for welding, which cannot be guaranteed to be in the same plane. It takes 2-3 days to weld the body structure parts, the welding effect is poor, and it is easy to deform after welding.

[0003] For technicians in this field, how to improve the positioning accuracy of the frame components of road-rail tractor vehicles and improve the welding processing efficiency is a technical problem that needs to be solved at present. Utility Model Content

[0004] The core of the utility model is to provide a device for welding and positioning the body structure of a road-rail tractor, which can simultaneously position the corresponding components of the body structure of the road-rail tractor, and weld after the positioning is completed, which can effectively improve the welding efficiency. The specific scheme is as follows:

[0005] A device for welding and positioning a body structure of a road-rail tractor, comprising:

[0006] A decorative panel positioning assembly, used for supporting the decorative panel;

[0007] A steering axle positioning assembly is used to support the steering axle and to position the vertical plates on both sides from the inner side;

[0008] Clamping assemblies, at least two groups are provided, at least one of which can cooperate with the steering bridge positioning assembly to position the vertical plates on both sides from the outer side and the inner side respectively;

[0009] Railway bridge guide rail positioning assembly, used for positioning railway bridge guide rails;

[0010] Front cylinder positioning assembly, used to support the front cylinder;

[0011] The battery outer width positioning assembly is used to limit the vertical plates in the left and right directions and the vertical plates in the front and back directions; the battery outer width positioning assembly is used to cooperate with the clamping assembly to clamp the vertical plate in front;

[0012] A rear cylinder support assembly, used for supporting the rear cylinder;

[0013] A drive axle positioning assembly, used for supporting the drive axle;

[0014] The support base is used to support each vertical plate and to install the decorative plate positioning assembly, the steering axle positioning assembly, the clamping assembly, the railway bridge guide rail positioning assembly, the front cylinder positioning assembly, the battery outer width positioning assembly, the rear cylinder support assembly, and the drive axle positioning assembly.

[0015] Optionally, an adjustment track is provided on the support base along the front-rear direction, and the decorative panel positioning assembly, the steering axle positioning assembly, the front cylinder positioning assembly, the rear cylinder support assembly, and the drive axle positioning assembly can be displaced and positioned along the adjustment track.

[0016] Optionally, a positioning track is provided on the support base along the left-right direction to serve as a reference for positioning.

[0017] Optionally, the steering axle positioning assembly comprises a steering axle support and a support claw, wherein the support claw is rotatably mounted on the steering axle support; at least two groups of the support claws are provided, which are respectively provided on the left and right sides of the steering axle support;

[0018] The top of the steering axle support is detachably provided with a steering axle positioning column for supporting the steering axle, and the steering axle positioning column is used for threaded connection with a supporting bolt;

[0019] The steering axle support is provided with a positioning seat for positioning the supporting claws. When the supporting claws are unfolded and positioned by the positioning seat, the supporting claws are used to position the vertical plates on both sides from the inner side; and the supporting claws can be separated from the vertical plates when they are retracted.

[0020] Optionally, the clamping assembly includes a clamping support, a rotating handle, a transmission member, and a sliding top block;

[0021] The rotating handle is rotatably mounted on the clamping support, and the sliding top block is slidably mounted on the clamping support. When the rotating handle rotates, the sliding top block is driven to translate through the transmission member;

[0022] An adjusting rod for adjusting the extension length is installed on the sliding top block.

[0023] Optionally, the railway bridge guide rail positioning assembly comprises a railway bridge support, and the railway bridge support is provided with a guide roller and a bottom positioning column;

[0024] At least two groups of guide rollers are provided to position the railway bridge guide rails from both sides respectively. When the railway bridge guide rails are lifted upward, the guide rollers roll to achieve guidance;

[0025] The bottom positioning column is detachably arranged, and a stud is threadedly connected to the bottom positioning column to adjust the support height.

[0026] Optionally, the drive axle positioning assembly includes a drive axle support, and a fastening screw is provided on the side wall of the drive axle support, and the fastening screw is used to achieve locking and fixing with the vertical plate.

[0027] Optionally, the decorative panel positioning assembly includes a decorative panel support, an adjusting column is detachably provided on the decorative panel support, an adjusting bolt is threadedly installed on the adjusting column, and the adjusting bolt is used to support the decorative panel.

[0028] Optionally, the battery outer width positioning assembly includes a battery outer width support, a positioning block is arranged on the battery outer width support, a positioning bolt is threadedly installed on each of the positioning blocks, and the positioning bolt can be rotated to adjust the extended length.

[0029] Optionally, one front cylinder positioning assembly is provided, and two rear cylinder supporting assemblies are provided;

[0030] The front cylinder positioning assembly and the rear cylinder supporting assembly are respectively fixed to the supporting base by bolts.

[0031] The utility model provides a welding positioning device for the body structure of a road-rail tractor, which uses a decorative plate positioning assembly to support the decorative plate; uses a steering axle positioning assembly to support the steering axle and position the vertical plates on both sides from the inner side; uses a clamping assembly to cooperate with a steering axle positioning assembly to position the vertical plates on both sides from the outer side and the inner side respectively; uses a railway bridge guide rail positioning assembly to support the railway bridge guide rail; uses a front cylinder positioning assembly to support the front cylinder; uses a battery outer width positioning assembly to limit the vertical plates in the left and right directions and the vertical plates in the front and rear directions, and the battery outer width positioning assembly cooperates with the clamping assembly to clamp the vertical plates in front; uses a rear cylinder support assembly to support the rear cylinder; uses a drive axle positioning assembly to support the drive axle; and a support base is used to install the above-mentioned components and support each vertical plate. Through the device, each structure of the body structure of a road-rail tractor can be positioned as a whole, achieving a more accurate positioning effect and improving welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 An axonometric diagram of the mutual cooperation and positioning of the assembly welding positioning device of the body structure of the road-rail tractor provided by the utility model and the body structure;

[0034] Figure 2A top view of a specific embodiment of the assembly welding and positioning device for the body structure of a road-rail tractor provided by the utility model;

[0035] Figure 3 A front view of a specific embodiment of the assembly welding and positioning device for the body structure of a road-rail tractor provided by the utility model;

[0036] Figure 4 A top view of a specific embodiment of a decorative plate positioning assembly;

[0037] Figure 5 An axonometric view of a specific embodiment of a steering axle positioning assembly;

[0038] Figure 6 It is an axonometric diagram of a specific embodiment of a battery outer width positioning assembly;

[0039] Figure 7 A front view of a specific embodiment of a battery outer width positioning assembly;

[0040] Figure 8 An axonometric diagram of a specific embodiment of a railway bridge guide rail positioning assembly;

[0041] Fig. 9 A front view of a specific embodiment of a front cylinder positioning assembly;

[0042] Fig.10 A side view of a specific embodiment of a front cylinder positioning assembly;

[0043] Fig.11 It is an axonometric diagram of a specific embodiment of a battery outer width positioning assembly;

[0044] Fig.12 A top view of a specific embodiment of a rear cylinder support assembly;

[0045] Fig.13 A front view of a specific embodiment of a drive axle positioning assembly.

[0046] The figure includes:

[0047] Decorative panel positioning assembly 1, decorative panel support 1.1, adjustment column 1.2, adjustment bolt 1.3;

[0048] Steering axle positioning assembly 2, steering axle support 2.1, steering axle positioning column 2.1.1, support bolt 2.1.2, positioning seat 2.1.3, supporting claw 2.2;

[0049] Clamping assembly 3, clamping support 3.1, rotating handle 3.2, transmission member 3.3, sliding top block 3.4, adjusting rod 3.5;

[0050] Railway bridge guide rail positioning assembly 4, railway bridge support 4.1, guide roller 4.2, bottom positioning column 4.3;

[0051] Front cylinder positioning assembly 5;

[0052] Battery outer width positioning assembly 6, battery outer width support 6.1, positioning block 6.2, positioning bolt 6.3;

[0053] Rear cylinder support assembly 7;

[0054] Drive axle positioning assembly 8, drive axle support 8.1, fastening screws 8.2;

[0055] Support base 9, adjustment rail 9.1, positioning rail 9.2;

[0056] Decorative panel A, steering bridge B, first vertical plate C, railway bridge guide rail D, second vertical plate E, third vertical plate F. DETAILED DESCRIPTION

[0057] The core of the utility model is to provide a device for assembling and welding the structural parts of a road-rail tractor vehicle body, which can simultaneously position the corresponding components of the structural parts of the road-rail tractor vehicle body, and perform welding when the positioning is completed, which can effectively improve the welding efficiency.

[0058] In order to enable those skilled in the art to better understand the technical solution of the present invention, the assembly welding and positioning device for the body structure of a road-rail tractor vehicle of the present invention will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0059] Combination Figure 1 , Figure 2 , Figure 3 As shown, the utility model provides a welding and positioning device for the body structure of a road-rail tractor, including a decorative plate positioning component 1, a steering axle positioning component 2, a clamping component 3, a railway bridge guide rail positioning component 4, a front cylinder positioning component 5, a battery outer width positioning component 6, a rear cylinder support component 7, a drive axle positioning component 8, a support base 9 and other structures.

[0060] Combination Figure 1 As shown, the X-axis represents the front-to-back direction, the Y-axis represents the left-to-right direction, and the Z-axis represents the up-down direction; the end where the decorative panel positioning component 1 is located is the front end.

[0061] The decorative panel positioning assembly 1 is used to support the decorative panel, which is located at the front of the entire vehicle body. Figure 1 As shown in A. The decorative panel is mainly a laterally extending structure, and its bottom is a certain distance away from the supporting base 9, and is suspended. The lower surface of the decorative panel is supported by the decorative panel positioning assembly 1, so as to locate the position of the decorative panel and keep the decorative panel at a suitable height.

[0062] The steering axle positioning assembly 2 is used to support the steering axle and to position the vertical plates on both sides from the inner side; Figure 1 As shown, B represents the steering axle, which is mainly a laterally extending structure, with a certain distance between its bottom and the supporting base 9, and is suspended. The lower surface of the steering axle is supported by the steering axle positioning assembly 2, thereby positioning the steering axle and keeping the steering axle at a suitable height. The left and right sides of the steering axle are respectively provided with vertical plates, refer to Figure 1 , wherein C represents the first vertical plate, which is arranged on both sides of the steering axle, extends vertically, and its inner side surface is supported by the steering axle positioning assembly 2, and the lower edge of the first vertical plate is supported by the support base 9 to locate the vertical position of the vertical plate.

[0063] At least two groups of clamping components 3 are provided, at least one of which is used to cooperate with the steering bridge positioning component 2 to position the vertical plates on both sides from the outer side and the inner side respectively; Figure 1 As shown, two clamping assemblies 3 arranged on the left and right sides of the steering axle form a group, the two clamping assemblies 3 contact the first vertical plate C from the outer side, the steering axle positioning assembly 2 contacts the inner side of the first vertical plate, the steering axle positioning assembly 2 and the clamping assembly 3 clamp the first vertical plate from the inner and outer sides respectively, so that the left and right sides of the first vertical plate are positioned.

[0064] Railway bridge guide rail positioning assembly 4, used to position the railway bridge guide rail, combined with Figure 1 As shown, D represents the railroad bridge guide rail, which is arranged on the first vertical plate C. The railroad bridge guide rail is used to guide the railway bridge so that the railway bridge can move vertically. The front and rear positions of the railroad bridge guide rail can be limited by the railroad bridge guide rail positioning assembly 4, thereby ensuring the front and rear positions of the entire first vertical plate. Since two first vertical plates are provided, two railroad bridge guide rail positioning assemblies 4 are required to position the two first vertical plates respectively.

[0065] The front cylinder positioning assembly 5 is used to support the front cylinder, which is a front oil cylinder. The front cylinder is supported by the front cylinder positioning assembly 5 so that the front cylinder is kept in a roughly horizontally extended state, thereby determining the height of the front cylinder.

[0066] The battery outer width positioning assembly 6 is used to limit the vertical plate in the left and right directions and the vertical plate in the front and rear directions; the battery outer width positioning assembly 6 is used to cooperate with the clamping assembly 3 to clamp the vertical plate in front; combined Figure 1 As shown, E represents the second vertical plate, F represents the third vertical plate, the second vertical plate is a vertical plate extending front and back, the third vertical plate is a vertical plate extending left and right, the second vertical plate and the third vertical plate are combined to form a battery compartment, the second vertical plate serves as the left and right sides of the battery compartment, and the third vertical plate serves as the front and back sides of the battery compartment, and the space formed by the combination is used to accommodate the battery module.

[0067] The rear cylinder support assembly 7 is used to support the rear cylinder, which is a cylinder located at the rear. The rear cylinder is supported by the rear cylinder support assembly 7 so that the rear cylinder remains in a roughly horizontally extended state, thereby determining the height of the rear cylinder.

[0068] The drive axle positioning assembly 8 is used to support the drive axle and position the height of the drive axle.

[0069] The support base 9 is used to support each vertical plate, and the lower edge of the vertical plate contacts the support base 9 to keep the vertical plate in a vertical state. The support base 9 is used to install the decorative plate positioning assembly 1, the steering axle positioning assembly 2, the clamping assembly 3, the railway bridge guide rail positioning assembly 4, the front cylinder positioning assembly 5, the battery outer width positioning assembly 6, the rear cylinder support assembly 7, and the drive axle positioning assembly 8, that is, the decorative plate positioning assembly 1, the steering axle positioning assembly 2, the clamping assembly 3, the railway bridge guide rail positioning assembly 4, the front cylinder positioning assembly 5, the battery outer width positioning assembly 6, the rear cylinder support assembly 7, and the drive axle positioning assembly 8 are respectively installed on the support base 9, and can be fixed to the support base 9 by bolts.

[0070] In the assembly welding and positioning device for the body structure of a road-rail tractor of the utility model, the decorative plate positioning component 1, the steering axle positioning component 2, the clamping component 3, the railway bridge guide rail positioning component 4, the front cylinder positioning component 5, the battery outer width positioning component 6, the rear cylinder support component 7, and the drive axle positioning component 8 are positioned and installed on the support base 9, and then each vertical plate and the related structure are supported and positioned by the decorative plate positioning component 1, the steering axle positioning component 2, the clamping component 3, the railway bridge guide rail positioning component 4, the front cylinder positioning component 5, the battery outer width positioning component 6, the rear cylinder support component 7, and the drive axle positioning component 8, so that all the related structural components are positioned at one time, which can ensure better precise positioning and can complete welding and fixing more quickly during welding.

[0071] On the basis of the above scheme, the support base 9 of the utility model is provided with an adjustment track 9.1 along the front-rear direction. Figure 2 As shown, the adjustment track 9.1 is set in the middle position of the support base 9 and extends in the front-to-back direction. The adjustment track 9.1 can be a groove or a protruding bump. The decorative plate positioning component 1, the steering axle positioning component 2, the front cylinder positioning component 5, the rear cylinder support component 7, and the drive axle positioning component 8 can be displaced and positioned along the adjustment track 9.1, and the front-to-back position of the corresponding structure can be adjusted. When the adjustment track 9.1 is a groove, a nut can be set therein, and positioning and loosening can be achieved by tightening and loosening the bolts and nuts.

[0072] Combination Figure 2As shown, a positioning track 9.2 is provided on the support base 9 along the left-right direction, and the positioning track 9.2 is used as a reference for positioning. The positioning track 9.2 extends along the left-right direction, and the positioning track 9.2 can be a groove or a protruding bump. The front and rear positions of the decorative panel positioning assembly 1, the steering axle positioning assembly 2, the clamping assembly 3, the railway bridge guide rail positioning assembly 4, the front cylinder positioning assembly 5, the battery outer width positioning assembly 6, the rear cylinder support assembly 7, and the drive axle positioning assembly 8 can be determined by the spacing with the positioning track 9.2, and the left and right positions can be determined by the marking scale provided on the positioning track 9.2.

[0073] Combination Figure 5 As shown, the axonometric diagram of the steering axle positioning assembly 2 is shown; the steering axle positioning assembly 2 includes a steering axle support 2.1 and a support claw 2.2, the steering axle support 2.1 is used to provide support. The support claw 2.2 is rotatably mounted on the steering axle support 2.1, and at least two groups of the support claws 2.2 are respectively arranged on the left and right sides of the steering axle support 2.1; Figure 5 As shown, there are four abutment claws 2.2, two on the left side forming one group, and two on the right side forming one group; the abutment claws 2.2 are rotatably connected to the steering axle support 2.1 via a rotating shaft. Figure 5 In the state shown, the abutment claws 2.2 extend horizontally, respectively extending to the left or to the right.

[0074] The top of the steering axle support 2.1 is detachably provided with a steering axle positioning column 2.1.1 for supporting the steering axle. The steering axle positioning column 2.1.1 can be fixedly installed by riveting and can be replaced separately after being worn out. The steering axle positioning column 2.1.1 is used for threaded connection with the support bolt 2.1.2. A screw hole is provided above the steering axle positioning column 2.1.1, and the support bolt 2.1.2 can be threadedly installed. The height of the support bolt 2.1.2 can be adjusted, thereby changing the support height within a certain range.

[0075] The steering axle support 2.1 is provided with a positioning seat 2.1.3 for positioning the supporting claw 2.2. When the supporting claw 2.2 is unfolded and positioned by the positioning seat 2.1.3, the supporting claw 2.2 is in a horizontally extended state, extending to the left and right respectively. The supporting claw 2.2 is used to position the vertical plates on both sides from the inner side. Figure 1 The first vertical plate C is contacted and positioned. The top claw 2.2 can be separated from the vertical plate when it is retracted. When welding is completed, the welded body frame needs to be lifted upward. Before lifting, the top claw 2.2 is rotated upward and retracted. The top claw 2.2 no longer contacts the vertical plate, which can prevent the phenomenon of difficulty in demoulding caused by excessive friction.

[0076] Combination Figure 6 , Figure 7As shown, the clamping assembly 3 includes a clamping support 3.1, a rotating handle 3.2, a transmission member 3.3, and a sliding top block 3.4; the rotating handle 3.2 is rotatably installed on the clamping support 3.1, and the sliding top block 3.4 is slidably installed on the clamping support 3.1. When the rotating handle 3.2 is rotated, the sliding top block 3.4 is driven to translate through the transmission member 3.3; the sliding top block 3.4 is installed with an adjustment rod 3.5 for adjusting the extension length. The transmission member 3.3 is a bent connecting rod structure, and its two ends are respectively hinged to the rotating handle 3.2 and the sliding top block 3.4. When in use, the user manipulates the rotating handle 3.2, and when the rotating handle 3.2 is turned downward, the sliding top block 3.4 is driven to translate through the transmission member 3.3, and the sliding top block 3.4 moves to the right ( Figure 7 ) can be extended to achieve support, combined with Figure 1 As shown, two sets of clamping assemblies 3 are provided, one set is used to clamp the first vertical plate C, and the other set is used to clamp the third vertical plate F in the front position. The adjusting rod 3.5 can be threadedly rotated relative to the sliding top block 3.4, and the extension dimension of the adjusting rod 3.5 can be changed. The adjusting rod 3.5 contacts the vertical plate, and the axial direction of the adjusting rod 3.5 is perpendicular to the surface of the vertical plate. The clamping support 3.1 is fixed to the support base 9 by bolts.

[0077] Combination Figure 8 As shown, the railway bridge guide rail positioning assembly 4 includes a railway bridge support 4.1, on which a guide roller 4.2 and a bottom positioning column 4.3 are arranged; at least two groups of guide rollers 4.2 are arranged. Figure 8 When four guide rollers 4.2 are provided, the guide rollers 4.2 facing each other up and down form a group, and a group of guide rollers 4.2 cooperate to perform the guiding function.

[0078] Combination Figure 1 As shown, a group of railway bridge guide rails D are arranged on the left and right, and the guide rollers 4.2 position the railway bridge guide rails from both sides respectively, which can ensure the front and rear positions of the railway bridge guide rails D; when the railway bridge guide rails are lifted upward, the guide rollers 4.2 roll to guide, form rolling friction, and reduce demolding resistance.

[0079] Combination Figure 8 As shown, three bottom positioning columns 4.3 are provided, and the bottom positioning columns 4.3 are detachably provided. The bottom positioning columns 4.3 are threadedly connected with studs, and the top ends of the studs are used to support the railroad bridge guide rail D and to adjust the support height. The height position of the railroad bridge guide rail D can be adjusted.

[0080] The drive axle positioning assembly 8 includes a drive axle support 8.1, and a fastening screw 8.2 is arranged on the side wall of the drive axle support 8.1, and the fastening screw 8.2 is used to achieve locking and fixing with the vertical plate. Fig.13As shown, three fastening screws 8.2 are respectively arranged on the side walls at the left and right ends of the driving axle support 8.1, and at least two fastening screws 8.2 are arranged on each side. The fastening screws 8.2 are used to pass through the vertical plate to press and fix the vertical plate to the driving axle support 8.1.

[0081] Combination Figure 4 As shown, the decorative panel positioning assembly 1 includes a decorative panel support 1.1, on which an adjustment column 1.2 is detachably provided, and the adjustment column 1.2 can be connected by riveting, so that it can be replaced. An adjustment bolt 1.3 is threadedly installed on the adjustment column 1.2, and the adjustment bolt 1.3 is used to support the decorative panel. The height can be changed by rotating the adjustment bolt 1.3, thereby adjusting the height of the decorative panel.

[0082] Combination Fig.11 As shown, the battery outer width positioning assembly 6 includes a battery outer width support 6.1, a positioning block 6.2 is arranged on the battery outer width support 6.1, a threaded hole is arranged on the positioning block 6.2, and a positioning bolt 6.3 is threadedly installed on each positioning block 6.2. The positioning bolt 6.3 can be rotated to adjust the extended length. Figure 1 As shown, the second vertical plate E is provided with a positioning through hole, and the positioning bolt 6.3 can pass through the second vertical plate, and the positioning bolt 6.3 cooperates with the positioning block 6.2 to clamp the second vertical plate. For the vertical plate without a through hole, the third vertical plate F in front is clamped from both sides by the battery outer width positioning component 6 and the clamping component 3.

[0083] Combination Figure 1 , Figure 2 , Fig. 9 , Fig.10 , Fig.12 , one front cylinder positioning assembly 5 is provided, and two rear cylinder support assemblies 7 are provided; the front cylinder positioning assembly 5 and the rear cylinder support assembly 7 are respectively fixed to the support base 9 by bolts, and the front cylinder positioning assembly 5 and the rear cylinder support assembly 7 respectively support and limit the height of the oil cylinder. Two rear cylinders are provided, respectively supporting two rear cylinders, and the drive axle positioning assembly 8 is provided between the two rear cylinder support assemblies 7.

[0084] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A welding and positioning device for a body structure of a road-rail tractor, characterized in that: include: A decorative panel positioning assembly (1), used for supporting the decorative panel; A steering axle positioning assembly (2) is used to support the steering axle and to position the vertical plates on both sides from the inner side; The clamping assembly (3) is provided with at least two groups, at least one of which can cooperate with the steering bridge positioning assembly (2) to position the vertical plates on both sides from the outer side and the inner side respectively; A railway bridge guide rail positioning assembly (4), used for positioning the railway bridge guide rail; A front cylinder positioning assembly (5), used for supporting the front cylinder; The battery outer width positioning assembly (6) is used to define the vertical plates in the left-right direction and the vertical plates in the front-back direction; the battery outer width positioning assembly (6) is used to cooperate with the clamping assembly (3) to clamp the vertical plate in front; A rear cylinder support assembly (7), used for supporting the rear cylinder; A drive axle positioning assembly (8), used for supporting the drive axle; The support base (9) is used to support each upright plate and to install the decorative plate positioning assembly (1), the steering axle positioning assembly (2), the clamping assembly (3), the railway bridge guide rail positioning assembly (4), the front cylinder positioning assembly (5), the battery outer width positioning assembly (6), the rear cylinder support assembly (7), and the drive axle positioning assembly (8).

2. The assembly welding and positioning device for the body structure of a road-rail tractor according to claim 1 is characterized in that: An adjustment track (9.1) is arranged on the support base (9) along the front-rear direction, and the decorative panel positioning assembly (1), the steering axle positioning assembly (2), the front cylinder positioning assembly (5), the rear cylinder support assembly (7), and the drive axle positioning assembly (8) can be displaced and positioned along the adjustment track (9.1).

3. The assembly welding and positioning device for the body structure of a road-rail tractor according to claim 2 is characterized in that: A positioning track (9.2) is arranged on the support base (9) along the left-right direction and is used as a reference for positioning.

4. The assembly welding and positioning device for the body structure of a road-rail tractor according to claim 1, characterized in that: The steering axle positioning assembly (2) comprises a steering axle support (2.1) and abutment claws (2.2), wherein the abutment claws (2.2) are rotatably mounted on the steering axle support (2.1); at least two groups of the abutment claws (2.2) are arranged, respectively on the left and right sides of the steering axle support (2.1); A steering axle positioning column (2.1.1) for supporting the steering axle is detachably provided on the top of the steering axle support (2.1), and the steering axle positioning column (2.1.1) is used for threaded connection with a supporting bolt (2.1.2); The steering axle support (2.1) is provided with a positioning seat (2.1.3) for positioning the supporting claw (2.2); when the supporting claw (2.2) is unfolded and positioned by the positioning seat (2.1.3), the supporting claw (2.2) is used to position the vertical plates on both sides from the inner side; and when the supporting claw (2.2) is retracted, it can be separated from the vertical plates.

5. The assembly welding and positioning device for the body structure of a road-rail tractor according to claim 1, characterized in that: The clamping assembly (3) comprises a clamping support (3.1), a rotating handle (3.2), a transmission member (3.3), and a sliding top block (3.4); The rotating handle (3.2) is rotatably mounted on the clamping support (3.1), and the sliding top block (3.4) is slidably mounted on the clamping support (3.1). When the rotating handle (3.2) rotates, the sliding top block (3.4) is driven to translate via the transmission member (3.3); An adjusting rod (3.5) for adjusting the extension length is installed on the sliding top block (3.4).

6. The assembly welding and positioning device for the body structure of a road-rail tractor according to claim 1, characterized in that: The railway bridge guide rail positioning assembly (4) comprises a railway bridge support (4.1), and a guide roller (4.2) and a bottom positioning column (4.3) are arranged on the railway bridge support (4.1); At least two groups of guide rollers (4.2) are provided to position the railway bridge guide rails from both sides respectively, and when the railway bridge guide rails are lifted upward, the guide rollers (4.2) roll to achieve guidance; The bottom positioning column (4.3) is detachably arranged, and a stud is threadedly connected to the bottom positioning column (4.3) for adjusting the support height.

7. The assembly welding and positioning device for the body structure of a road-rail tractor according to claim 1, characterized in that: The drive axle positioning assembly (8) comprises a drive axle support (8.1), and a fastening screw (8.2) is arranged on the side wall of the drive axle support (8.1), and the fastening screw (8.2) is used to achieve locking and fixing with the vertical plate.

8. The assembly welding and positioning device for the body structure of a road-rail tractor according to claim 1, characterized in that: The decorative panel positioning assembly (1) comprises a decorative panel support (1.1), an adjustment column (1.2) is detachably provided on the decorative panel support (1.1), an adjustment bolt (1.3) is threadedly mounted on the adjustment column (1.2), and the adjustment bolt (1.3) is used to support the decorative panel.

9. The assembly welding and positioning device for the body structure of a road-rail tractor according to claim 1, characterized in that: The battery outer width positioning assembly (6) comprises a battery outer width support (6.1), a positioning block (6.2) is arranged on the battery outer width support (6.1), a positioning bolt (6.3) is threadedly mounted on each positioning block (6.2), and the positioning bolt (6.3) can be rotated to adjust the extended length.

10. The assembly welding and positioning device for the body structure of a road-rail tractor according to claim 1, characterized in that: One front cylinder positioning assembly (5) is provided, and two rear cylinder supporting assemblies (7) are provided; The front cylinder positioning assembly (5) and the rear cylinder supporting assembly (7) are respectively fixed to the supporting base (9) by means of bolts.

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