CN215616101U - Welding jig for railway vehicle cab assembly - Google Patents

Abstract

The utility model relates to a rail vehicle's technical field specifically discloses a rail vehicle cab assembly welds child, include base, weld holder, connecting piece, be used for the fixed mounting of fixed side frame and be used for fixing the clamping component on the base with linking arm down, the vertical setting of weld holder is on the base, the mounting sets up on the base, the mounting is located one side of weld holder, clamping component is located one side that weld holder and mounting are adjacent, it passes through the connecting piece to fix on the weld holder to go up the tie-beam. The butt joint is accurate in the application, and the welding effect is improved.

Description

Welding jig for railway vehicle cab assembly

Technical Field

The application relates to the technical field of rail vehicles, in particular to a welding tire of a cab assembly of a rail vehicle.

Background

Rail traffic refers to a class of vehicles that need to travel on a particular track. The cab assembly for operating the vehicle in the rail transit is an important component for forming the vehicle. The assembly is generally formed by welding two side frames, two upper connecting beams, an upper connecting arm and lower connecting arms, the two side frames are arranged vertically, the upper connecting arm and the lower connecting arm are horizontally welded between the two side frames, the two upper connecting beams are butt-welded on the upper connecting arm, and the side frames, the upper connecting beams, the upper connecting arms and the lower connecting arms form a cab assembly.

For the related art, when the cab assembly is welded, a worker is required to hold each part of the cab assembly, butt joint each part, and then weld. The mode of manual butt joint is adopted, so that butt joint among all parts is not accurate, and the welding effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the butt joint precision, improve the welding effect, this application provides rail vehicle cab assembly and welds child.

The application provides a rail vehicle cab assembly welds child adopts following technical scheme:

the utility model provides a rail vehicle cab assembly welds child, includes base, weld holder, connecting piece, is used for the mounting of fixed side frame and is used for fixing the clamping component on the base with linking arm down, the vertical setting of weld holder is on the base, the mounting sets up on the base, the mounting is located one side of weld holder, clamping component is located one side that weld holder and mounting are adjacent, it passes through the connecting piece to fix on the weld holder to go up the tie-beam.

By adopting the technical scheme, before welding, workers firstly put the two side frames on the welding frame respectively and oppositely and then fix the side frames on the base by using the fixing parts; fixing a lower connecting arm on the base by using a clamping assembly, positioning the lower connecting arm between the two side frames, placing an upper connecting arm on the welding frame, and fixing an upper connecting beam on the welding frame by using a connecting piece for welding; need not workman's support in the welding process, it is accurate to dock, has improved welding effect.

Optionally, be equipped with the support side pipe that is used for supporting down the linking arm on the base, clamping component includes clamping bar, connecting rod and supports tight threaded rod, the vertical setting of clamping bar, the bottom of clamping bar is equipped with the kink, the kink of clamping bar colludes to be established in supporting the side intraductally, connecting rod horizontal connection is on clamping bar, support the vertical threaded connection of tight threaded rod on the connecting rod, and support the bottom of tight threaded rod and support tightly on the linking arm down.

By adopting the technical scheme, the bent part of the clamping rod is hooked in the supporting square tube, and then the abutting threaded rod is rotated in the forward direction, so that the bottom end of the abutting threaded rod abuts against the lower connecting arm, and the fixing of the lower connecting arm is completed; when the connecting arm needs to be detached, the connecting arm reversely rotates to tightly abut against the threaded rod; the operation is quick, and the lower connecting arm can be conveniently installed and detached.

Optionally, the connecting rod is vertically connected to the clamping rod in a sliding manner.

Through adopting above-mentioned technical scheme, the connecting rod adopts the relation of connection that slides with pressing from both sides tight pole, and the not unidimensional lower linking arm of adaptation has been convenient for, has improved the flexibility that the device used.

Optionally, a gasket is arranged between the tightening threaded rod and the lower connecting arm, a tightening groove is formed in the gasket, and the bottom end of the tightening threaded rod is tightly abutted in the tightening groove.

By adopting the technical scheme, the arrangement of the gasket avoids the direct contact between the abutting threaded rod and the lower connecting arm in the abutting process of the abutting threaded rod, so that the possibility that the abutting threaded rod crushes the lower connecting arm is reduced; the setting of supporting tight groove has certain limiting displacement to the gasket, and when supporting tight threaded rod and gasket contact back, when further supporting tightly, avoid the gasket to produce and slide.

Optionally, be equipped with the supporting shoe that is used for supporting down the linking arm on the base, the vertical limiting plate that is equipped with on the supporting shoe, clamping unit includes sliding block, elevator and the tight piece of clamp that is used for pressing from both sides tight lower linking arm, the vertical setting of sliding block, and sliding block pass through regulating part horizontal slip and connect on the supporting shoe, the vertical slip of elevator is connected on sliding block, it rotates to connect on the elevator to press from both sides tight piece.

By adopting the technical scheme, the lower connecting arm is placed on the supporting block and abutted against the limiting plate, the lifting block is slid to enable the clamping block to be higher than the lower connecting arm, and then the adjusting piece is utilized, the sliding block slides towards the lower connecting arm on the supporting block, so that the clamping block is clamped on two adjacent side walls of the lower connecting arm, and the lower connecting arm is fixed; the operation is convenient.

Optionally, the adjusting part comprises an adjusting threaded rod and a motor, a sliding groove for allowing the sliding block to horizontally slide is formed in the supporting block, the adjusting threaded rod is horizontally rotatably connected in the sliding groove and is coaxially connected with a motor shaft of the motor, and the sliding block is in threaded connection with the adjusting threaded rod.

Through adopting above-mentioned technical scheme, the starter motor, the motor shaft of motor drive adjusting threaded rod rotates, and the horizontal slip of sliding block is connected in the groove that slides, accomplishes sliding of sliding block.

Optionally, the side frame is arranged on the base and is abutted against the welding frame, a cavity is formed in the side frame, the fixing piece comprises a preset bolt, the preset bolt is vertically arranged on the base and penetrates into the side frame, the side frame is fixed on the base through a nut, and an adjusting opening for screwing the nut is formed in the side face of the side frame.

By adopting the technical scheme, the side frame is lapped on the welding frame, the preset bolt penetrates into the side frame, and the nut is screwed on the preset bolt through the adjusting opening to complete the fixation of the side frame; the side frame is convenient to mount and dismount.

Optionally, a first positioning block is arranged on the welding frame, a second positioning block matched with the first positioning block is arranged on the side frame, and the second positioning block is attached to the first positioning block.

Through adopting above-mentioned technical scheme, utilize the cooperation of first locating piece and second locating piece, be convenient for quick accurate positioning goes out the mounted position of side frame, has improved the installation effectiveness of side frame.

Optionally, the connecting piece includes a first connecting plate and a second connecting plate, the first connecting plate is vertically arranged on the welding frame, the second connecting plate is arranged at one end of the upper connecting beam, and the second connecting plate is fixed on the first connecting plate through a connecting bolt.

By adopting the technical scheme, the upper connecting beam is moved, so that the second connecting plate is attached to the first connecting plate, the second connecting plate is fixed on the first connecting plate by the aid of the connecting bolts, installation of the upper connecting beam is completed, and the upper connecting beam is convenient to install and disassemble

Optionally, a preset groove matched with the upper connecting arm is formed in the welding frame, and the upper connecting arm is inserted into the preset groove.

Through adopting above-mentioned technical scheme, the setting of presetting the recess has certain limiting displacement to last linking arm, avoids going up the linking arm and takes place the skew at the welded in-process, has improved welding effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the application, the side frame is fixed on the base by using the fixing piece; fixing the lower connecting arm on the base by using a clamping assembly; fixing the upper connecting beam on the welding frame by using a connecting piece; in the welding process, the butt joint is accurate without being supported by workers, so that the welding effect is improved;

2. in the application, the bent part of the clamping rod is hooked in the supporting square tube, and then the abutting threaded rod is rotated, so that the bottom end of the abutting threaded rod abuts against the lower connecting arm, and the lower connecting arm is fixed on the supporting square tube; the installation is rapid, and the disassembly is convenient;

3. the setting of gasket in this application is supporting tight threaded rod and is supporting tight in-process, avoids supporting tight threaded rod and linking arm direct contact down, reduces to support the possibility that tight threaded rod crushd by pressure linking arm down.

Drawings

Fig. 1 is a schematic structural diagram of the whole welding tire of the cab assembly of the rail vehicle in embodiment 1.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is an enlarged view at B in fig. 1.

Fig. 4 is a schematic structural view for embodying the connecting member in embodiment 1.

Fig. 5 is an enlarged view at C in fig. 4.

Fig. 6 is an enlarged view at D in fig. 4.

Fig. 7 is a structural schematic view of the whole welding tire of the cab assembly of the rail vehicle in the embodiment 2.

Fig. 8 is an enlarged view at E in fig. 7.

Description of reference numerals:

1. a base; 11. a base plate; 12. supporting the square pipe; 121. a bearing plate; 13. a support block; 131. a sliding groove; 14. a limiting plate; 2. welding a frame; 21. a first positioning block; 22. presetting a groove; 3. a connecting member; 31. a first connecting plate; 32. a second connecting plate; 33. a base plate; 34. a reinforcing plate; 35. a connecting bolt; 4. presetting a bolt; 41. a nut; 5. a clamping assembly; 51. a clamping lever; 511. a bending section; 52. a connecting rod; 521. a sliding hole; 53. tightly abutting the threaded rod; 54. a holding rod; 55. a gasket; 551. abutting against the groove; 56. a sliding block; 561. a telescopic groove; 57. a lifting block; 571. adjusting the bolt; 58. a clamping block; 59. an adjustment member; 591. adjusting the threaded rod; 592. a motor; 6. a side frame; 61. a second positioning block; 62. a cavity; 63. an adjustment port; 7. a lower connecting arm; 8. an upper connecting arm; 9. and an upper connecting beam.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

Example 1

Referring to fig. 1, the welding jig for the cab assembly of the rail vehicle comprises a base 1, a welding frame 2, a connecting piece 3, a fixing piece and a clamping assembly 5, wherein the base 1 is placed on the ground, the welding frame 2 is vertically and fixedly connected to the base 1, two backing plates 11 are fixedly connected to the base 1, the two backing plates 11 are oppositely arranged, the two backing plates 11 are respectively positioned at two ends of the welding frame 2, and the fixing piece is arranged on the backing plates 11; the base 1 is fixedly connected with two opposite supporting square pipes 12, the two supporting square pipes 12 are positioned at the same side of the welding frame 2, the supporting square pipes 12 are fixedly connected with a bearing plate 121, and the lower connecting arm 7 is fixed on the bearing plate 121 through a clamping assembly 5; the upper connecting beam 9 is fixed at the top end of the welding frame 2 through the connecting piece 3.

Referring to fig. 1 and 2, the number of the fixing members is six, every three fixing members are arranged on the backing plate 11 at equal intervals, each fixing member comprises a preset bolt 4, and the preset bolts 4 are vertically and fixedly connected to the surface of the backing plate 11; a cavity 62 is arranged in the side frame 6, three adjusting ports 63 are arranged on the side surface of the side frame 6, the adjusting ports 63 are communicated with the cavity 62, each adjusting port 63 corresponds to the preset bolt 4 one by one, the preset bolts 4 penetrate into the side frame 6, and the side frame 6 is fixed on the cushion plate 11 through nuts 41; the welding frame 2 is fixedly connected with a first positioning block 21, the side frame 6 is fixedly connected with a second positioning block 61, and the second positioning block 61 is attached to the first positioning block 21.

Referring to fig. 3, the clamping assembly 5 includes a clamping rod 51, a connecting rod 52 and a tightening threaded rod 53, the clamping rod 51 is vertically disposed, a bent portion 511 is disposed at the bottom end of the clamping rod 51, the bent portion 511 of the clamping rod 51 is hooked in the supporting square tube 12, the top end of the clamping rod 51 extends upwards, the connecting rod 52 is horizontally disposed, a sliding hole 521 for the clamping rod 51 to pass through is disposed on the connecting rod 52, the connecting rod 52 is vertically connected to the clamping rod 51 in a sliding manner, the tightening threaded rod 53 is vertically connected to the connecting rod 52 in a threaded manner, and a holding rod 54 penetrates through the top end of the tightening threaded rod 53; the lower connecting arm 7 is installed, the lower connecting arm 7 is placed on the bearing plate 121, the gasket 55 is placed on the lower connecting arm 7, the bent portion 511 of the clamping rod 51 is hooked in the supporting square tube 12, the holding rod 54 is held, the abutting threaded rod 53 is rotated in the forward direction, the bottom end of the abutting threaded rod 53 abuts against the bottom wall of the abutting groove 551, and the fixing of the lower connecting arm 7 is completed.

Referring to fig. 4 and 5, the welding frame 2 is provided with a preset groove 22, the preset groove 22 is matched with the upper connecting arm 8, and the upper connecting arm 8 is inserted into the preset groove 22.

Referring to fig. 6, the connecting member 3 includes a first connecting plate 31 and a second connecting plate 32, the first connecting plate 31 is connected to the welding frame 2 through a bottom plate 33, the bottom plate 33 is fixedly connected to the welding frame 2, the first connecting plate 31 is vertically and fixedly connected to the bottom plate 33, the first connecting plate 31 is located at one end of the bottom plate 33, and a reinforcing plate 34 is fixedly connected between the first connecting plate 31 and the bottom plate 33; the second connecting plate 32 is fixedly connected to one end of the upper connecting beam 9, the second connecting plate 32 is attached to the first connecting plate 31, and the second connecting plate 32 is fixed to the first connecting plate 31 through a connecting bolt 35.

The implementation principle of the embodiment 1 is as follows: firstly, a worker respectively puts the two side frames 6 on the welding frame 2, so that the second positioning block 61 is attached to the first positioning block 21, the preset bolt 4 is inserted into the side frames 6, and the nut 41 is screwed on the preset bolt 4 through the adjusting opening 63, so that the side frames 6 are fixed on the base plate 11; placing the lower connecting arm 7 on the bearing plate 121, placing the gasket 55 on the lower connecting arm 7, hooking the bent part 511 of the clamping rod 51 in the supporting square tube 12, holding the holding rod 54, and rotating the abutting threaded rod 53 in the forward direction to enable the bottom end of the abutting threaded rod 53 to abut against the bottom wall of the abutting groove 551, so that the lower connecting arm 7 is fixed on the bearing plate 121; then the upper connecting arm 8 is inserted into the preset groove 22 on the welding frame 2; the upper connection beam 9 is moved so that the second connection plate 32 and the first connection plate 31 are attached to each other, and then the second connection plate 32 is fixed to the first connection plate 31 by the connection bolt 35, so that the upper connection beam 9 is fixed to the welding frame 2.

Example 2

Referring to fig. 7 and 8, the embodiment is different from embodiment 1 in that two opposite supporting blocks 13 are fixedly connected to the base 1, the two supporting blocks 13 are located on the same side of the welding frame 2, a limiting plate 14 vertically extends on the surface of the supporting block 13, the clamping assembly 5 includes a sliding block 56, a lifting block 57 and a clamping block 58, a sliding groove 131 is formed on the surface of the supporting block 13, the sliding block 56 is horizontally slidably connected in the sliding groove 131 through an adjusting member 59, the adjusting member 59 includes an adjusting threaded rod 591 and a motor 592, the adjusting threaded rod 591 is horizontally and rotatably connected in the sliding groove 131, the motor 592 is fixedly connected to the side surface of the supporting block 13, and a motor shaft of the motor 592 is coaxially and fixedly connected with the adjusting threaded rod 591; the sliding block 56 is vertically screwed on the adjusting threaded rod 591, a telescopic groove 561 is arranged on the top surface of the sliding block 56, the lifting block 57 is vertically screwed in the telescopic groove 561, and the lifting block 57 is fixed in the telescopic groove 561 through an adjusting bolt 571; the longitudinal section of the clamping block 58 is L-shaped, and the clamping block 58 is rotatably connected to the side surface of the lifting block 57.

The implementation principle of embodiment 2 differs from that of embodiment 1 in that: placing the lower connecting arm 7 on the supporting block 13 and abutting against the limiting plate 14, loosening the adjusting bolt 571, and sliding the lifting block 57 to enable the clamping block 58 to be higher than the lower connecting arm 7; when the motor 592 is started again, the motor shaft of the motor 592 drives the adjusting threaded rod 591 to rotate, and the sliding block 56 slides towards the lower connecting arm 7 in the sliding groove 131, so that the clamping block 58 is clamped on two adjacent side walls of the lower connecting arm 7, and the lower connecting arm 7 is fixed on the supporting block 13.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a rail vehicle cab assembly welds child which characterized in that: including base (1), welding frame (2), connecting piece (3), be used for fixed side frame (6) the mounting and be used for fixing clamping component (5) on base (1) linking arm (7) down, the vertical setting of welding frame (2) is on base (1), the mounting sets up on base (1), the mounting is located one side of welding frame (2), clamping component (5) are located one side that welding frame (2) are adjacent with the mounting, go up tie-beam (9) and fix on welding frame (2) through connecting piece (3).

2. The rail vehicle cab assembly tire of claim 1, wherein: be equipped with on base (1) and be used for supporting support side's pipe (12) of linking arm (7) down, clamping component (5) are including pressing from both sides tight pole (51), connecting rod (52) and support tight threaded rod (53), press from both sides the vertical setting of tight pole (51), the bottom of pressing from both sides tight pole (51) is equipped with kink (511), kink (511) of pressing from both sides tight pole (51) collude and establish in support side's pipe (12), connecting rod (52) horizontal connection is on pressing from both sides tight pole (51), support tight threaded rod (53) vertical threaded connection on connecting rod (52), and support the bottom of tight threaded rod (53) and tightly on linking arm (7) down.

3. The rail vehicle cab assembly tire of claim 2, wherein: the connecting rod (52) is vertically connected to the clamping rod (51) in a sliding manner.

4. The rail vehicle cab assembly tire of claim 2, wherein: a gasket (55) is arranged between the abutting threaded rod (53) and the lower connecting arm (7), an abutting groove (551) is formed in the gasket (55), and the bottom end of the abutting threaded rod (53) abuts against the inside of the abutting groove (551).

5. The rail vehicle cab assembly tire of claim 1, wherein: be equipped with supporting shoe (13) that are used for supporting down link arm (7) on base (1), vertically on supporting shoe (13) be equipped with limiting plate (14), clamping unit (5) including sliding block (56), elevator (57) and be used for pressing from both sides tight piece (58) of the tight link arm (7) of clamp down, sliding block (56) vertical setting, and sliding block (56) through regulating part (59) horizontal sliding connection on supporting shoe (13), elevator (57) vertical sliding connection is on sliding block (56), it connects on elevator (57) to press from both sides tight piece (58) rotation.

6. The rail vehicle cab assembly tire of claim 5, wherein: the adjusting piece (59) comprises an adjusting threaded rod (591) and a motor (592), a sliding groove (131) for enabling the sliding block (56) to horizontally slide is formed in the supporting block (13), the adjusting threaded rod (591) is horizontally and rotatably connected in the sliding groove (131), the adjusting threaded rod (591) is coaxially connected with a motor shaft of the motor (592), and the sliding block (56) is in threaded connection with the adjusting threaded rod (591).

7. The rail vehicle cab assembly tire of claim 1, wherein: the side frame (6) is arranged on the base (1), the side frame (6) abuts against the welding frame (2), a cavity (62) is arranged in the side frame (6), the fixing piece comprises a preset bolt (4), the preset bolt (4) is vertically arranged on the base (1), the preset bolt (4) penetrates into the side frame (6), the side frame (6) is fixed on the base (1) through a nut (41), and an adjusting opening (63) used for screwing the nut (41) is formed in the side face of the side frame (6).

8. The rail vehicle cab assembly tire of claim 1, wherein: the welding frame (2) is provided with a first positioning block (21), the side frame (6) is provided with a second positioning block (61) matched with the first positioning block (21), and the second positioning block (61) is attached to the first positioning block (21).

9. The rail vehicle cab assembly tire of claim 1, wherein: the connecting piece (3) comprises a first connecting plate (31) and a second connecting plate (32), the first connecting plate (31) is vertically arranged on the welding frame (2), the second connecting plate (32) is arranged at one end of the upper connecting beam (9), and the second connecting plate (32) is fixed on the first connecting plate (31) through a connecting bolt (35).

10. The rail vehicle cab assembly tire of claim 1, wherein: the welding frame (2) is provided with a preset groove (22) matched with the upper connecting arm (8), and the upper connecting arm (8) is inserted in the preset groove (22).

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