CN212265077U

CN212265077U - Assembly assembly for assembling a draft assembly of a rail vehicle

Info

Publication number: CN212265077U
Application number: CN202020926652.9U
Authority: CN
Inventors: 刘佳; 曹立军; 侯雪琦; 李廷良; 李筱雯
Original assignee: Beijing Subway Rolling Stock Equipment Co ltd
Current assignee: Beijing Subway Rolling Stock Equipment Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-01-01
Anticipated expiration: 2030-05-27

Abstract

There is provided a fitting assembly for fitting a draft gear assembly of a railway vehicle, the draft gear assembly including a draft sill and a coupler link for coupling a coupler, the fitting assembly comprising: the supporting table is used for supporting the retarding assembly; the coupler connecting piece positioning device is arranged on the supporting table to position the coupler connecting piece; the traction beam positioning device is arranged on the support table to position the traction beam; and a first tightening device arranged on the support platform to tighten the draw beam to the coupler connecting piece along the longitudinal direction.

Description

Assembly assembly for assembling a draft assembly of a rail vehicle

Technical Field

The present invention relates to an assembly, and more particularly, to an assembly for a retarding assembly for assembling a rail vehicle.

Background

The retarding and buffering assembly is an important component of a steel structure of a first underframe of a railway vehicle and is used for assembling a car hook, two adjacent subway vehicles are usually connected through the car hook, so that the requirement on the shape and position size of the retarding and buffering assembly is high, the retarding and buffering assembly is used as an important standard for subsequent underframe steel structure assembly, and the assembly and welding precision of the retarding and buffering assembly directly influences the assembly precision of the subsequent whole underframe steel structure. However, the overall size and weight of each component of the draft assembly are large, and the assembly size of each component is mostly a spatial three-dimensional size, which increases the difficulty of assembly operation of workers.

SUMMERY OF THE UTILITY MODEL

For overcoming the above-mentioned among the prior art or the defect in other aspects, the utility model provides an assembly subassembly that is used for assembling rail vehicle's the subassembly that slows down of leading can realize the equipment of each part of the subassembly that slows down and fix to realize the horizontal position's on the reversal position welding bead, and guarantee to satisfy the planar flatness requirement of leading to slow down on the constitution, the location dimensional requirement of coupler seat and the assembly dimensional requirement of each other part, reduced workman's intensity of labour, improved productivity ratio, reduced manufacturing cost.

According to an aspect of the utility model provides an assembly component for assembling rail vehicle's subassembly of slowing down, the subassembly of slowing down includes draw beam and the coupling connecting piece that is used for connecting the coupling, its characterized in that, the assembly component includes: the supporting table is used for supporting the retarding assembly; the coupler connecting piece positioning device is arranged on the supporting table to position the coupler connecting piece; the traction beam positioning device is arranged on the support table to position the traction beam; and a first tightening device arranged on the support platform to tighten the draw beam to the coupler connecting piece along the longitudinal direction.

According to an aspect of the present invention, the retarding assembly further comprises: a first plate and a second plate, the fitting assembly further comprising: a first plate positioning device disposed on the support table to position the first plate such that the coupler link is mounted on the first plate; a first plate pressing device provided on the support table to press the first plate in a vertical direction; and a second plate hold-down device provided on the coupler connector positioning device to hold down the second plate to the coupler connector in a vertical direction.

According to an aspect of the present invention, the retarding assembly further comprises: a bumper beam, the mounting assembly further comprising: a bumper beam positioning device disposed on the support table such that the bumper beam abuts the coupler link on the first plate to be positioned on opposite sides of the coupler link; and an additional second plate pressing device provided on the support table to press the second plate to the bumper beam in a vertical direction.

According to an aspect of the present invention, the retarding assembly further comprises: a floor beam, the assembly further comprising: and a floor beam positioning device arranged on the support platform to position the floor beam between the two oppositely arranged traction beams.

According to an aspect of the present invention, the retarding assembly further comprises: the two traction beams are respectively provided with an L-shaped folded edge which extends to the first plate along the longitudinal direction; the fitting assembly further comprises: the reinforcing plate positioning device is arranged on the supporting platform to position the reinforcing plate, so that one part of the reinforcing plate is positioned on the L-shaped folded edge, and the rest part of the reinforcing plate is positioned on the first plate.

According to an aspect of the present invention, the assembly kit further comprises: the second jacking device is arranged on the support table opposite to the reinforcing plate positioning device and can stretch out and draw back to jack up a traction beam in the transverse direction; the third jacking device is arranged on the support table opposite to the traction beam positioning device and can stretch out and draw back to jack up the reinforcing plate adjacent to the other traction beam in the transverse direction; and an auxiliary spacer having a desired lateral length, disposed between the reinforcing plates and the traction beam adjacent to each other, to determine the relative positions of the reinforcing plates and the traction beam adjacent to each other.

According to an aspect of the utility model, the assembly component still includes: gantry pressing device, set up on a supporting bench in order to compress tightly the second board to draw beam and stiffening plate, include: two upright posts; the cross beam is connected between the two upright columns; and a pressing arm connected to the cross member and capable of being extended and contracted to press the second plate in a vertical direction.

According to one aspect of the present invention, the draft sill positioning means, the first plate positioning means, the floor beam positioning means are configured as generally rectangular positioning blocks, and the draft sill positioning means, the stiffening plate positioning means are configured as generally L-shaped positioning blocks.

According to an aspect of the present invention, the coupler link is configured as a rectangular plate having an opening, and the coupler link positioning device includes: two support plates; the positioning plate is arranged between the two supporting plates and is provided with a positioning hole for being bolted to the rectangular plate; and the second plate hold-down device is provided on the support plate.

According to an aspect of the utility model, first tight device in top includes: the bracket is fixed on the support platform; the jacking beam extends along the transverse direction; and the jacking arm is telescopically arranged on the bracket to push the jacking beam to abut against the traction beam.

Drawings

In order to make the objects, features and advantages of the present invention more comprehensible, the present invention is further described with reference to the accompanying drawings and specific embodiments, wherein:

fig. 1 is a perspective view of a conventional draft assembly.

Fig. 2 is a perspective view of a mounting assembly according to an embodiment of the present invention.

Fig. 3 is a perspective view of the draft assembly shown in fig. 1 assembled using the fitting assembly shown in fig. 2.

Fig. 4 is a side view of a part of the first tightening means of the fitting assembly shown in fig. 2.

Fig. 5 is a side view of the second plate pressing device of the fitting assembly shown in fig. 2.

Fig. 6 is a side view of an additional second plate pressing device of the fitting assembly shown in fig. 2.

Fig. 7 is a side view of a reinforcing-plate positioning device of the fitting assembly shown in fig. 2.

Detailed Description

While the present invention will be fully described with reference to the accompanying drawings, which contain preferred embodiments of the invention, it is to be understood that those skilled in the art can, prior to this description, modify the embodiments described herein while obtaining the technical effects of the invention. Therefore, it should be understood that the foregoing description is a broad disclosure directed to persons of ordinary skill in the art, and is not intended to limit the exemplary embodiments of the invention described herein.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.

Fig. 1 is a perspective view of a conventional draft assembly. Fig. 2 is a perspective view of a mounting assembly according to an embodiment of the present invention. Fig. 3 is a perspective view of the draft assembly shown in fig. 1 assembled using the fitting assembly shown in fig. 2.

According to an exemplary embodiment of the present invention, a mounting assembly 100 is provided for mounting a retarding assembly 200 of a stainless steel rail vehicle, such as a city subway, a light rail, a high-speed train, etc., as shown in fig. 1. Draft gear assembly 200 generally includes a draft sill 201 for transmitting forces between different vehicles and a coupler link 202 for coupling a coupler, said assembly 100 comprising: a support table 101 for supporting the draft assembly 200; a coupler coupling positioning device 102 disposed on the support table 101 to position the coupler coupling 202; a draft sill positioning device 103 provided on the support table 101 to position the draft sill 201; and a first tightening device 104 arranged on the support table 101 to tighten the draft sill 201 in a longitudinal direction DL (as shown in fig. 2) to the coupler connection 202.

In the present invention, the support platform 101 provides a stable working platform for each component of the assembly relieving assembly 200, and the platform serves as both a support platform and a reference plane for the height direction or vertical direction DV (as shown in fig. 2). The assembly of the various components of the draft assembly 200 to the support table 101 ensures the desired flatness of the draft assembly 200. The components of the draft assembly 200 are first positioned on the support table 101, then the corresponding components are pressed or pushed tightly to sufficiently fit each other, and then spot welding and welding are performed on the corresponding components, so that the draft assembly 200 has high assembly precision and assembly accuracy.

As shown in fig. 1, the retarding assembly 200 further includes: a first plate 203 and a second plate 204. According to an exemplary embodiment of the present invention, as shown in fig. 2-3, the assembly 100 further comprises: a first plate positioning device 105 disposed on the support table 101 to position the first plate 203 such that the coupler link 202 is mounted on the first plate 203; a first plate pressing device 106 provided on the support table 101 to press the first plate 203 in the vertical direction DV; and a second plate hold down 107 provided on the coupler coupling positioning device to hold down the second plate 204 to the coupler coupling 202 in the vertical direction DV. First plate compression device 106 is a quick clamp that is conventional to those skilled in the art and will not be described in detail herein.

The draft gear assembly 200 is assembled in a reverse position, i.e., the first plate 203, which is positioned lower in fig. 3, is actually positioned above, corresponding to the upper cover plate, when assembled for use, and the second plate 204, which is positioned upper in fig. 3, is actually positioned below, corresponding to the lower cover plate, when assembled for use. In other words, the assembled draft gear assembly 200 shown in FIG. 1 needs to be turned upside down in use.

The formation of the draft assembly 200 as a solid unit is facilitated by the addition of a first plate 203 and a second plate 204 to the draft assembly 200 and welding them to the associated components of the draft assembly 200.

As shown in fig. 1, the retarding assembly 200 further includes: a bumper beam 205. According to an exemplary embodiment of the present invention, as shown in fig. 2-3, the assembly 100 further comprises: a bumper beam positioning device 108 disposed on the support base 101 such that the bumper beam 205 abuts the coupler link 202 on the first plate 203 to be positioned on opposite sides of the coupler link 202 such that the bumper beam 205 is capable of cushioning impact forces to which the draft gear assembly 200 is subjected during operation of the vehicle, preventing deformation of the coupler link 202; and the other second plate pressing device 109 is arranged on the support table 101 to press the second plate 204 to the buffer beam 205 along the vertical direction DV, so that the buffer beam 205 can support the first plate 203 and the second plate 204, the whole structure of the draft gear assembly 200 is firmer, the reliability of the draft gear assembly 200 is enhanced, and the force received by the coupler can be transmitted to the car body.

As shown in fig. 1, the retarding assembly 200 further includes: floor beams 206 for supporting and welding to the corrugated floor. According to an exemplary embodiment of the present invention, as shown in fig. 2-3, the assembly 100 further comprises: a floor beam positioning device 110 disposed on the support table 101 to position the floor beam 206 between the oppositely disposed draft beams 201.

As shown in fig. 1, the retarding assembly 200 further includes: the stiffening plate 207 and the two trailing beams 201 are each provided with an L-shaped flange 2011 extending in the longitudinal direction L to the first plate 203. According to an exemplary embodiment of the present invention, as shown in fig. 2-3, the assembly 100 further comprises: the stiffener positioning device 111 is disposed on the support platform 101 to position the stiffener 207 such that a portion of the stiffener 207 is located on the L-shaped flange 2011 and the remaining portion of the stiffener 207 is located on the first plate 203 to enhance the strength of the draft assembly 200.

According to an exemplary embodiment of the present invention, as shown in fig. 2-3, the assembly 100 further comprises: a second tightening device 112, which is disposed on the support platform 101 opposite to the reinforcing plate positioning device 111 and can be extended and contracted to tighten a traction beam 201 in the transverse direction DT (shown in fig. 2); a third tightening device 113 which is provided on the support table 101 opposite to the trailing beam positioning device 103 and is capable of extending and contracting to tighten the reinforcing plate 207 adjacent to the other trailing beam 201 (or provided on the L-shaped flange 2011 of the other trailing beam 201) in the transverse direction DT; and an auxiliary spacer (not shown) having a desired lateral length, provided between the reinforcing plate 207 and the traction beam 201 adjacent to each other to determine the relative positions thereof.

In the above embodiment, as shown in fig. 2 to 3, only one kind of corresponding positioning device (i.e., the reinforcing plate positioning device 111 or the draft sill positioning device 103) and one kind of

tightening device

112 or 113 are provided near the reinforcing plate 207 and the draft sill 201 adjacent to each other, but not both kinds of positioning devices (i.e., the reinforcing plate positioning device 111 and the draft sill positioning device 103) are provided at the same time, so that after the draft assembly 200 is assembled and welded on the assembly 100, an operator can operate the

tightening devices

112, 113 to contract to release the corresponding draft sill 201 and reinforcing plate 207, respectively, so that the draft assembly 200 can be smoothly taken out from the assembly 100, i.e., to achieve "tire out". Meanwhile, in order to accurately position the towing beam 201 and the stiffening plate 207, the positioning device of which is not provided nearby, an auxiliary positioning member having a desired transverse length is provided in the gap between the stiffening plate 207 and the towing beam 201 adjacent to each other to determine the relative positions of the stiffening plate 207 and the towing beam 201 adjacent to each other, thereby achieving accurate positioning of the towing beam 201 and the stiffening plate 207, the positioning device of which is not provided nearby.

According to an exemplary embodiment of the present invention, the assembly component 100 further comprises: and the gantry pressing device 114 is arranged on the support table 101 to press the second plate 204 onto the towing beam 201 and the reinforcing plate 207, so that the reliability of the assembly 100 is further enhanced. The gantry holding down device 114 comprises: two posts 1141; a cross beam 1142 connected between the two columns 1141; and a pressing arm 1143 connected to the beam 1142, capable of telescoping to press the second plate 204 in the vertical direction DV. As shown in fig. 2-3, the pressing end of the pressing arm 1143 may be provided with a pressing plate 1144 to increase the force-bearing area of the second plate 204. Can adopt the jack as pressing arm 1143, also can adopt arbitrary suitable device as pressing arm, the utility model discloses do not do the restriction to this.

As shown in fig. 3, the draft sill positioning means 103, the first plate positioning means 105, the floor beam positioning means 110 are configured as a substantially rectangular positioning block, and the bumper beam positioning means 108, the stiffener positioning means 111 are configured as a substantially L-shaped positioning block. Wherein the first board positioning means 105 is arranged lying on the table 101 and the other positioning means 103, 110, 108, 111 are arranged standing on the table 101.

Fig. 7 is a side view of the reinforcing plate positioning device of the fitting assembly shown in fig. 2, and the L-shaped positioning block is shown in detail by taking the reinforcing plate positioning device 111 as an example. The L-shaped positioning block 111 includes: a first leg 1111 fixed to the support table 101; and a second leg 1112 connected to the first leg for abutting and positioning the stiffener, the first leg 1111 and the second leg 1112 enclosing a receptacle 1113, i.e., a gap, for receiving the L-shaped flap 2011, as shown in fig. 3.

It will be appreciated that the shape or configuration of each of the

positioning devices

103, 105, 110, 108, 111 or the respective positioning posture is determined by the location and function thereof, and although a rectangular positioning block and an L-shaped positioning block are shown, it will be understood by those skilled in the art that the present invention is not limited to these two types of positioning blocks or positioning devices, and any type of positioning device capable of achieving the desired positioning function may be used.

As shown in fig. 1, the coupler link 202 is configured as a rectangular plate having an opening. According to an exemplary embodiment of the present invention, as shown in fig. 2, the coupler connector positioning device 102 includes: two support plates 1021; a positioning plate 1022 disposed between the two support plates 1021 and provided with a positioning hole for bolting to a rectangular plate; and the second plate pressing means 107 is provided on the support plate 1021.

According to an exemplary embodiment of the present invention, as shown in fig. 2, the first tightening device 104 includes: a bracket 1041 fixed on the support table 101; a tightening beam 1042 extending in the transverse direction DT; and the tightening arm 1043 is telescopically arranged on the bracket 1041 to push the tightening beam 1042 to abut against the traction beam 201, and the tightening beam 1042 can increase the stress area of the traction beam 201.

Fig. 4 is a side view of a portion of the first tightening mechanism of the fitting assembly shown in fig. 2, showing in more detail the portion of the first tightening mechanism 104 excluding the tightening beam 1042. The tightening arm 1043 is screwed to the bracket 1041 and extends through the bracket 1041, one end of the tightening arm 1043 is provided with a tightening head 1044 for tightening the target object (here, the tightening beam 1042), the opposite end of the tightening arm 1043 is provided with a driving member 1045 for driving the tightening arm 1043 to move back and forth, and a hole 10451 is formed in the driving member 1045, so that an operator can insert a driving rod (not shown) into the hole 10451 to rotate the driving member 1045, thereby rotating the tightening arm 1043 to move left and right. The structures of the second tightening device 112 and the third tightening device 113 are the same as those of the part of the first tightening device shown in fig. 4, and the description thereof is omitted.

Fig. 5 is a side view of the second plate pressing device of the fitting assembly shown in fig. 2. The second plate pressing device 107 has a pressing arm 1072 having a structure similar to that of the pressing arm 1043 shown in fig. 4, that is, the pressing arm 1072 is screwed to an L-shaped support arm 1071 provided on the support plate 1021 and extends through the L-shaped support arm 1071 in the vertical direction DV, one end of the pressing arm 1072 is provided with a pressing head 1074 for pressing the target object (here, the second plate 204), the opposite end of the pressing arm 1072 is provided with a driving member 1073 for driving the pressing arm 1072 to move back and forth, and a hole 10731 is provided in the driving member 1073 for an operator to insert a driving rod (not shown) into the hole 10731 to rotate the driving member 1073, thereby rotating the pressing arm 1072 to move up and down.

Fig. 6 is a side view of an additional second plate pressing device of the fitting assembly shown in fig. 2. The further second plate press 109 comprises the same press arm and L-shaped support arm as the second plate press 107, which are not described in detail here, the only difference being that the L-shaped support arm of the second plate press 109 is pivotably arranged on a base 1091 fixed to the support table 101.

It will be appreciated by those skilled in the art that the above-described embodiments are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without any conflict in structure or principle, thereby implementing more various turnover devices based on solving the technical problems of the present invention.

Having described preferred embodiments of the present invention in detail, it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the scope and spirit of the appended claims, and the invention is not to be limited to the exemplary embodiments set forth in the specification.

Claims

1. A mounting assembly for mounting a draft gear assembly of a railway vehicle, the draft gear assembly including a draft sill and a coupler link for coupling to a coupler, the mounting assembly comprising:

the supporting table is used for supporting the retarding assembly;

the coupler connecting piece positioning device is arranged on the supporting table to position the coupler connecting piece;

the traction beam positioning device is arranged on the support table to position the traction beam; and

and the first jacking device is arranged on the support table to jack the draw beam to the coupler connecting piece along the longitudinal direction.

2. The fitting assembly of claim 1, wherein the retarding assembly further comprises: a first plate and a second plate, the fitting assembly further comprising:

a first plate positioning device disposed on the support table to position the first plate such that the coupler link is mounted on the first plate;

a first plate pressing device provided on the support table to press the first plate in a vertical direction; and

and the second plate pressing device is arranged on the coupler connecting piece positioning device so as to press the second plate to the coupler connecting piece along the vertical direction.

3. The fitting assembly of claim 2 wherein the retarding assembly further comprises: a bumper beam, the mounting assembly further comprising:

a bumper beam positioning device disposed on the support table such that the bumper beam abuts the coupler link on the first plate to be positioned on opposite sides of the coupler link; and

and the other second plate pressing device is arranged on the support table to press the second plate to the buffer beam along the vertical direction.

4. The fitting assembly of claim 3 wherein the retarding assembly further comprises: a floor beam, the assembly further comprising: and a floor beam positioning device arranged on the support platform to position the floor beam between the two oppositely arranged traction beams.

5. The fitting assembly of claim 4, wherein the retarding assembly further comprises: the two traction beams are respectively provided with an L-shaped folded edge which extends to the first plate along the longitudinal direction; the fitting assembly further comprises:

the reinforcing plate positioning device is arranged on the supporting platform to position the reinforcing plate, so that one part of the reinforcing plate is positioned on the L-shaped folded edge, and the rest part of the reinforcing plate is positioned on the first plate.

6. The fitting assembly of claim 5, further comprising:

the second jacking device is arranged on the support table opposite to the reinforcing plate positioning device and can stretch out and draw back to jack up a traction beam in the transverse direction;

the third jacking device is arranged on the support table opposite to the traction beam positioning device and can stretch out and draw back to jack up the reinforcing plate adjacent to the other traction beam in the transverse direction; and

auxiliary spacers, having a desired transverse length, are disposed between the reinforcing plates and the draft sill adjacent to each other to determine the relative positions of the reinforcing plates and the draft sill adjacent to each other.

7. The fitting assembly of claim 6, further comprising:

gantry pressing device, set up on a supporting bench in order to compress tightly the second board to draw beam and stiffening plate, include: two upright posts; the cross beam is connected between the two upright columns; and a pressing arm connected to the cross member and capable of being extended and contracted to press the second plate in a vertical direction.

8. The fitting assembly according to claim 7, wherein the trailing beam positioning device, the first plate positioning device, and the floor beam positioning device are configured as generally rectangular positioning blocks, and the bumper beam positioning device and the stiffener positioning device are configured as generally L-shaped positioning blocks.

9. The fitting assembly of any of claims 1-8 wherein the coupler link is configured as a rectangular plate having an opening, the coupler link positioning device comprising: two support plates; the positioning plate is arranged between the two supporting plates and is provided with a positioning hole for being bolted to the rectangular plate; and the second plate hold-down device is provided on the support plate.

10. The fitting assembly according to claim 9, wherein the first tightening means comprises: the bracket is fixed on the support platform; the jacking beam extends along the transverse direction; and the jacking arm is telescopically arranged on the bracket to push the jacking beam to abut against the traction beam.