Welding clamp for steel-aluminum composite conductor rail expansion joint accessory L-shaped plate

Abstract

The utility model belongs to the technical field of tool clamps, and provides a steel-aluminum composite conductor rail expansion joint accessory L-shaped plate welding clamp which comprises a clamp platform. The composite rail limiting assembly comprises a fixing plate fixedly connected to the clamp platform, and a transverse and longitudinal limiting part is arranged on one side of the fixing plate; the L-shaped plate limiting assembly comprises a fixing frame fixedly connected to the fixing plate, a limiting open groove is formed in the end, away from the fixing plate, of the fixing frame and corresponds to the L-shaped plate, an L-shaped plate longitudinal limiting block is arranged at the end, away from the fixing plate, of the fixing frame, and a position adjusting piece is arranged between the L-shaped plate longitudinal limiting block and the fixing frame. A clamp is arranged at the top of the fixing frame and corresponds to the top of the L-shaped plate. According to the utility model, the joint accessory can be positioned at the position, which needs to be welded, on the long sliding rail of the expansion joint and can be effectively fixed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tool fixture technical field, especially relates to a kind of steel-aluminum composite conductor rail expansion joint accessory L type plate welding fixture. BACKGROUND

[0002] Steel-aluminum composite conductor rail is mainly used for urban rail transit, and the I-shaped steel-aluminum composite conductor rail includes a steel-aluminum composite rail and components.

[0003] The steel-aluminum composite rail is composed of a stainless steel strip and an aluminum alloy profile, the stainless steel strip is in contact with a power shoe, and has good wear resistance, and the aluminum alloy has good electrical conductivity. In the production process of the expansion joint, the corresponding joint accessory L-shaped plate needs to be welded on the expansion joint long slide rail, and the welding quality of the joint accessory L-shaped plate has a great influence on the use function of the entire steel-aluminum composite conductor rail system.

[0004] The traditional welding method is manual welding, the joint accessory is first positioned on the steel-aluminum composite rail by electric welding, and then the joint accessory is ring-welded. Compared with the traditional manual welding method, the use of welding robots can effectively solve the problems of low efficiency, poor consistency and difficult to guarantee the welding quality of manual welding. However, the use of welding robots for automatic welding of the joint accessory has high requirements for the positioning and fixing of the accessory. Therefore, there is an urgent need for a steel-aluminum composite conductor rail expansion joint accessory L-shaped plate welding fixture to fix and clamp the joint accessory. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of steel-aluminum composite conductor rail expansion joint accessory L type plate welding fixture, to solve the above-mentioned problems, reach the purpose of positioning joint accessory L-shaped plate at the position needing to be welded on steel-aluminum composite rail and effectively fixing joint accessory.

[0006] To achieve the above-mentioned purpose, the utility model provides the following scheme: a kind of steel-aluminum composite conductor rail joint accessory welding fixture, comprising:

[0007] A fixture platform;

[0008] A composite rail limiting assembly, comprising a fixed plate fixedly connected to the fixture platform, and a horizontal and vertical limiting portion provided on one side of the fixed plate;

[0009] An L-shaped plate limiting assembly, comprising a fixed frame fixedly connected to the fixed plate, a limiting slot provided at an end of the fixed frame away from the fixed plate, the limiting slot being correspondingly provided with an L-shaped plate, an L-shaped plate longitudinal limiting block provided at the end of the fixed frame away from the fixed plate, a position adjusting member provided between the L-shaped plate longitudinal limiting block and the fixed frame, and a clamp provided on the top of the fixed frame, the clamp being correspondingly provided with the top of the L-shaped plate.

[0010] Preferably, the width of the limiting slot is greater than the thickness of the L-shaped plate, and threaded holes are formed in the opposite side walls of the limiting slot, respectively, and a hand bolt is arranged in each threaded hole.

[0011] Preferably, the position adjusting member comprises two groups of sliding grooves horizontally formed in the outer side walls of the fixing frame, and clamping blocks are slidably connected in the two groups of sliding grooves, respectively, and the L-shaped plate longitudinal limiting block is fixedly connected between the two groups of clamping blocks, and the L-shaped plate longitudinal limiting block is located below the fixing frame, and fastening bolts are arranged on the outer walls of the two groups of clamping blocks, respectively, and the threaded ends of the fastening bolts penetrate the clamping blocks and correspondingly arranged in the sliding grooves, and positioning members are arranged between the two groups of clamping blocks and the fixing frame, respectively.

[0012] Preferably, the positioning member comprises a scale line arranged on the outer side wall of the fixing frame, and a pointer is fixedly connected to the top of the clamping block, and the pointer is correspondingly arranged with the scale line.

[0013] Preferably, the horizontal and vertical limiting part comprises a longitudinal limiting block and a horizontal limiting block fixedly connected to the fixing plate, and the longitudinal limiting block and the horizontal limiting block are parallel to the extension direction of the conductive rail, and the longitudinal limiting block is correspondingly arranged with the end of the conductive rail close to the fixing plate, and the horizontal limiting block is correspondingly arranged with the side wall of the conductive rail.

[0014] Preferably, the L-shaped clamp is fixedly connected to the clamp platform, and the L-shaped clamp is correspondingly arranged with the top of the conductive rail.

[0015] Compared with the prior art, the utility model has the advantages and technical effects that the main function of the clamp platform is to fix the composite rail limiting assembly and the L-shaped plate limiting assembly, and to support the steel-aluminum composite rail; the main function of the horizontal and vertical limiting part is to limit the position of the conductive rail on the clamp platform; the main function of the limiting slot is to limit the L-shaped plate in the longitudinal direction by inserting the top of the L-shaped plate into the limiting slot; the main function of the L-shaped plate longitudinal limiting block is to limit the relative position of the L-shaped plate and the conductive rail in the longitudinal direction; the main function of the position adjusting member is to adjust the position of the L-shaped plate longitudinal limiting block on the fixing frame, so as to change the relative position between the L-shaped plate and the conductive rail; and the main function of the clamp is to press the L-shaped plate tightly on the top of the conductive rail. Overall, the application can accurately position the joint fittings on the position of the steel-aluminum composite rail which needs to be welded, and can effectively fix the joint fittings, which is helpful to realize the automatic welding process of the steel-aluminum composite conductive rail. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0017] Figure 1 It is a schematic view of the welding fixture of the present application.

[0018] Figure 2 It is Figure 1 A partial enlarged view in the

[0019] Figure 3 It is a schematic view of the pressing member in Embodiment Two.

[0020] Wherein, 1, fixture platform; 2, fixed plate; 3, clamp; 4, L-shaped plate; 5, conductive rail; 6, L-shaped clamp; 7, longitudinal limiting block; 8, pressing seat; 9, hand screw bolt; 10, sliding groove; 11, L-shaped plate longitudinal limiting block; 12, clamping block; 13, fastening bolt; 14, transverse limiting block; 15, limiting slot; 17, L-shaped pressing seat; 18, pointer; 19, scale line; 20, fixed frame. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0022] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail with reference to the drawings and specific embodiments.

[0023] Embodiment One:

[0024] With reference to Figures 1-2 The present application provides a kind of steel aluminum composite conductive rail expansion joint accessory L-shaped plate welding fixture, comprising:

[0025] Fixture platform 1;

[0026] Composite rail limiting assembly, including fixedly connected on fixture platform 1 fixed plate 2, one side of fixed plate 2 is provided with horizontal and longitudinal limiting part;

[0027] The L-shaped plate limiting assembly comprises a fixed frame 20 fixedly connected to the fixed plate 2, a limiting slot 15 provided at the end of the fixed frame 20 away from the fixed plate 2, the limiting slot 15 being provided corresponding to the L-shaped plate 4, an L-shaped plate longitudinal limiting block 11 provided at the end of the fixed frame 20 away from the fixed plate 2, a position adjusting piece provided between the L-shaped plate longitudinal limiting block 11 and the fixed frame 20, and a clamp 3 provided at the top of the fixed frame 20, the clamp 3 being provided corresponding to the top of the L-shaped plate 4.

[0028] The main function of the clamp platform 1 is to fix the composite rail limiting assembly and the L-shaped plate limiting assembly, and to support the steel-aluminum composite rail; the main function of the horizontal and vertical limiting part is to limit the position of the conductor rail 5 on the clamp platform 1; the main function of the limiting slot 15 is to limit the L-shaped plate 4 in the longitudinal direction by inserting the top of the L-shaped plate 4 into the limiting slot 15; the main function of the L-shaped plate longitudinal limiting block 11 is to limit the relative position of the L-shaped plate 4 and the conductor rail 5 in the longitudinal direction; the main function of the position adjusting piece is to adjust the position of the L-shaped plate longitudinal limiting block 11 on the fixed frame 20, so as to change the relative position between the L-shaped plate 4 and the conductor rail 5; and the main function of the clamp 3 is to press the L-shaped plate 4 tightly on the top of the conductor rail 5. Overall, the present application can accurately position the joint fittings at the position required to be welded on the steel-aluminum composite rail, and can effectively fix the joint fittings, which is helpful to realize the automatic welding process of the steel-aluminum composite conductor rail.

[0029] Further optimization scheme, the width of the limiting slot 15 is greater than the thickness of the L-shaped plate 4, and a threaded hole is formed in each of the two opposite side walls of the limiting slot 15, and a hand bolt 9 is arranged in each threaded hole.

[0030] As shown in Figure 2 , the width of the limiting slot 15 is greater than the thickness of the L-shaped plate 4, so that the L-shaped plate 4 can be smoothly placed in the limiting slot 15. After the L-shaped plate 4 is placed in position, the threaded end of the hand bolt 9 is abutted with the side wall of the L-shaped plate 4 by the hand bolt 9, and the L-shaped plate 4 is abutted with one side wall of the limiting slot 15, so as to limit the position of the L-shaped plate 4 in the transverse direction.

[0031] Since the limiting slot 15 is provided with threaded holes on both sides, the hand bolt 9 can be screwed into the corresponding threaded hole according to the actual size of the parts.

[0032] Further optimization scheme, the position adjusting member comprises two groups of horizontal sliding grooves 10 opened on the two outer side walls of the fixing frame 20, two groups of clamping blocks 12 are respectively slidably connected in the two groups of sliding grooves 10, the L-shaped plate longitudinal limiting block 11 is fixedly connected between the two groups of clamping blocks 12, and the L-shaped plate longitudinal limiting block 11 is located below the fixing frame 20, the outer walls of the two groups of clamping blocks 12 are respectively provided with fastening bolts 13, the threaded ends of the fastening bolts 13 are correspondingly provided through the clamping blocks 12 and the sliding grooves 10, and the two groups of clamping blocks 12 and the fixing frame 20 are respectively provided with positioning members.

[0033] As shown in Figure 2 , the two groups of fastening bolts 13 are loosened, that is, the clamping blocks 12 slide in the sliding grooves 10, the positions of the L-shaped plate longitudinal limiting block 11 can be changed by sliding the two groups of clamping blocks 12, the longitudinal position of the L-shaped plate 4 is changed to limit, so that the production requirements of products of various sizes are met. After the position of the L-shaped plate longitudinal limiting block 11 is adjusted, the two groups of fastening bolts 13 are tightened.

[0034] Further optimization scheme, the positioning member comprises a scale line 19, the scale line 19 is arranged on the outer side wall of the fixing frame 20, and the top of the clamping block 12 is fixedly connected with a pointer 18, the pointer 18 is correspondingly arranged with the scale line 19.

[0035] As shown in Figure 2 , the scale line 19 and the pointer 18 can be used to determine the moving distance of the L-shaped plate longitudinal limiting block 11, and at the same time, the scale indicated by the pointer 18 on the two clamping blocks 12 can ensure that the longitudinal positions of the two clamping blocks 12 are the same, and the L-shaped plate longitudinal limiting block 11 is in a state perpendicular to the longitudinal direction.

[0036] Further optimization scheme, the horizontal and vertical limiting parts comprise a longitudinal limiting block 7 and a horizontal limiting block 14 fixedly connected to the fixed plate 2, the longitudinal limiting block 7 and the horizontal limiting block 14 are respectively parallel to the extension direction of the conductive rail 5, the longitudinal limiting block 7 is correspondingly arranged with the end of the conductive rail 5 close to the fixed plate 2, and the horizontal limiting block 14 is correspondingly arranged with the side wall of the conductive rail 5.

[0037] As shown in Figure 1 and Figure 2 , the conductive rail 5 is placed on the clamp platform 1, the side wall of the conductive rail 5 is attached to the horizontal limiting block 14 to limit the horizontal position of the conductive rail 5, and then the end of the conductive rail 5 is attached to the longitudinal limiting block 7 to limit the longitudinal position of the conductive rail 5, so as to realize the limiting of the conductive rail 5.

[0038] Further optimization scheme, further comprising an L-shaped clamp 6, the L-shaped clamp 6 is fixedly connected to the clamp platform 1, and the L-shaped clamp 6 is correspondingly arranged with the top of the conductive rail 5.

[0039] As shown in Figure 1As shown, the main role of the L-shaped clamp 6 is to clamp the conductor rail 5 on the clamp platform 1. The L-shaped clamp 6 is a conventional clamp, and its working principle and working process will not be described again.

[0040] Further optimization scheme, such as Figure 2 As shown, the working head of the clamp 3 is fixedly connected with a pressing seat 8. The main role of the pressing seat 8 is to press the L-shaped plate 4 on the conductor rail 5.

[0041] The working process of the embodiment is as follows:

[0042] Place the conductor rail 5 on the clamp platform 1, and realize the limiting of the conductor rail 5 by making the end and the left side wall of the conductor rail 5 respectively abut against the longitudinal limiting block 7 and the transverse limiting block 14, and then fix the conductor rail 5 by using the L-shaped clamp 6. Then, place the L-shaped plate 4 on the conductor rail 5, and make the L-shaped plate 4 inserted into the limiting slot 15, and make the end of the L-shaped plate 4 abut against the L-shaped plate longitudinal limiting block 11, and then tighten the hand screw bolt 9 to extrude the L-shaped plate 4 in the limiting slot 15. Finally, operate the clamp 3 to make the pressing seat 8 press the L-shaped plate 4 on the conductor rail 5, so that the positioning and clamping work before welding can be completed.

[0043] Embodiment two:

[0044] The difference between the embodiment and the embodiment one is that the working head of the clamp 3 is fixedly connected with an L-shaped pressing seat 17.

[0045] As shown, Figure 3 By using the L-shaped pressing seat 17, pressure can be applied to the top of the L-shaped plate 4 and the upper plane at the same time when the clamp 3 presses the L-shaped plate 4 downward, so that the position deviation of the L-shaped plate 4 due to the biasing force can be avoided.

[0046] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0047] The above-described embodiments are only preferred modes of the utility model, and do not limit the scope of the utility model, and various modifications and improvements to the technical solutions of the utility model made by those skilled in the art without departing from the design spirit of the utility model shall fall within the protection scope of the utility model claim.

Claims

1. A steel-aluminum composite conductor rail expansion joint fitting L-shaped plate welding fixture, characterized in that ,include: Fixture platform (1); A composite rail limiting assembly comprises a fixing plate (2) fixedly connected to the fixture platform (1), wherein one side of the fixing plate (2) is provided with a horizontal and vertical limiting portion; The L-shaped plate limiting assembly comprises a fixing frame (20) fixedly connected to the fixing plate (2), a limiting slot (15) is provided at one end of the fixing frame (20) away from the fixing plate (2), the limiting slot (15) is arranged corresponding to the L-shaped plate (4), an L-shaped plate longitudinal limiting block (11) is provided at one end of the fixing frame (20) away from the fixing plate (2), a position adjusting member is provided between the L-shaped plate longitudinal limiting block (11) and the fixing frame (20), a clamp (3) is provided at the top of the fixing frame (20), and the clamp (3) is arranged corresponding to the top of the L-shaped plate (4).

2. The L-shaped plate welding fixture for steel-aluminum composite conductor rail expansion joint fitting according to claim 1, characterized in that: The width of the limiting slot (15) is greater than the thickness of the L-shaped plate (4), and threaded through holes are respectively provided on two opposite side walls of the limiting slot (15). A hand-tightening bolt (9) is provided in one of the threaded through holes, and the threaded end of the hand-tightening bolt (9) is fitted with the side wall of the L-shaped plate (4) through the threaded through hole.

3. The L-shaped plate welding fixture for the steel-aluminum composite conductor rail expansion joint according to claim 2, characterized in that: The position adjustment member comprises two groups of slide grooves (10) horizontally opened on the two outer side walls of the fixing frame (20), and the two groups of slide grooves (10) are respectively slidably connected with clamping blocks (12), the L-shaped plate longitudinal limit block (11) is fixedly connected between the two groups of clamping blocks (12), and the L-shaped plate longitudinal limit block (11) is located below the fixing frame (20), and fastening bolts (13) are respectively provided on the outer walls of the two groups of clamping blocks (12), and the threaded ends of the fastening bolts (13) pass through the clamping blocks (12) and are correspondingly arranged with the slide grooves (10), and positioning members are respectively provided between the two groups of clamping blocks (12) and the fixing frame (20).

4. The L-shaped plate welding fixture for the steel-aluminum composite conductor rail expansion joint according to claim 3, characterized in that: The positioning member includes a scale line (19), and the scale line (19) is arranged on the outer side wall of the fixing frame (20). The top of the clamping block (12) is fixedly connected with a pointer (18), and the pointer (18) is arranged corresponding to the scale line (19).

5. The L-shaped plate welding fixture for steel-aluminum composite conductor rail expansion joint fitting according to claim 1, characterized in that: The transverse and longitudinal limiting portion comprises a longitudinal limiting block (7) and a transverse limiting block (14) fixedly connected to the fixed plate (2); the longitudinal limiting block (7) and the transverse limiting block (14) are respectively parallel to the extension direction of the conductive rail (5); the longitudinal limiting block (7) is arranged corresponding to the end of the conductive rail (5) close to the fixed plate (2); and the transverse limiting block (14) is arranged corresponding to the side wall of the conductive rail (5).

6. The L-shaped plate welding fixture for the steel-aluminum composite conductor rail expansion joint according to claim 3, characterized in that: It also includes an L-shaped caliper (6), which is fixedly connected to the clamp platform (1), and the L-shaped caliper (6) is arranged corresponding to the top of the conductive rail (5).

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