Separating device for traction pin of metro vehicle

By designing a combination of a rotating hanging arm and a jack, the problem of uneven lifting force between the left and right sides in the existing technology is solved, achieving synchronous control and improving operating efficiency. This device is suitable for traction pin separation devices of various vehicle models.

CN223465846UActive Publication Date: 2025-10-24CRRC DALIAN CO LTD
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Patent Information

Application Number
CN202422978965.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-10-24
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

Existing technologies suffer from uneven lifting forces on the left and right sides when separating the upper traction body from the lower traction device, making synchronization difficult to control and requiring multiple people to work together.

Method used

A subway vehicle traction pin separation device is adopted, including a load-bearing base, a rotating arm and a jack. The rotating arm design achieves uniform lifting force on both sides, and the jack is used for synchronous lifting.

Benefits of technology

It achieves uniform control of the left and right lifting forces, improves synchronization, reduces manpower requirements, improves work efficiency, is suitable for various scenarios, and does not damage vehicle body parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a metro vehicle traction pin separating device which comprises a bearing base, a rotary hanging arm and a jack, and the bearing base comprises a bottom plate, a supporting arm and a supporting hanging arm; the supporting arm is arranged on one side of the upper surface of the bearing base, the supporting hanging arm and the rotating hanging arm are arranged on the other side of the upper surface of the bearing base and connected, and the supporting arm comprises a first supporting part at the bottom, a first vertical part in the middle and a first hanging part at the top; the supporting hanging arm comprises a second supporting part at the bottom and a second vertical part in the middle; the rotary hanging arm comprises a third vertical part in the middle and a second hanging part at the top; and the jack is arranged on the upper surface of the bearing base. The lower traction device can be suitable for various vehicle types, and can be hung on a lower traction body by adjusting the rotary hanging arm under the condition that the lower traction device is provided with a rib plate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit manufacturing field especially, and relates to a subway vehicle traction pin separating device. BACKGROUND

[0002] In rail transit manufacturing industry, not only there is the assembly operation of the upper traction body and the lower traction device when the vehicle falls, but also there is the separating operation of the upper traction body and the lower traction body when the vehicle body and the bogie are separated. The vehicle body is connected with the bogie through the traction device, the traction device is divided into the upper traction body and the lower traction body, the center pin of the upper traction body is inserted into the lower traction body, and the connection is achieved in the mode of interference fit. When the vehicle body and the bogie are separated, external force must be used to separate the center pin of the upper traction body from the cooperation of the lower traction device.

[0003] In the technical scheme for separating the upper traction body and the lower traction device at present, two jacks are placed on the upper surface of the lower traction device on the left and right sides respectively, the reaction force between the upper traction body and the vehicle body chassis is generated through the jacking jack, and the upper traction body and the lower traction body are separated.

[0004] However, the prior art needs to use two traction bodies to be jacked up respectively, the synchronization is not good to control, the left and right jacking forces are uneven, and multiple people need to cooperate to operate. INVENTION CONTENTS

[0005] The utility model provides a subway vehicle traction pin separating device, solve the problem that the prior art cannot control the synchronization of the left and right jacking of the technical scheme for separating the upper traction body and the lower traction device.

[0006] In order to achieve the above object, the technical scheme adopted by the utility model is:

[0007] A subway vehicle traction pin separating device, comprising a bearing base, a rotating hanging arm and a jack, the bearing base comprises a bottom plate, a support arm and a support hanging arm, the support arm is arranged on one side of the upper surface of the bearing base, the support hanging arm and the rotating hanging arm are arranged on the other side of the upper surface of the bearing base and are connected, and the support arm comprises a first support portion at the bottom, a first vertical portion at the middle and a first hanging portion at the top.

[0008] The support arm is arranged on one side of the upper surface of the bearing base, the support hanging arm and the rotating hanging arm are arranged on the other side of the upper surface of the bearing base and are connected, and the support arm comprises a first support portion at the bottom, a first vertical portion at the middle and a first hanging portion at the top.

[0009] The support hanging arm comprises a second support portion at the bottom and a second vertical portion at the middle.

[0010] The rotating hanging arm comprises a third vertical portion at the middle and a second hanging portion at the top.

[0011] The jack is arranged on the upper surface of the bearing base.

[0012] Further, the first hanging part protrudes towards the support hanging arm direction near one side of the support hanging arm, and the second hanging part protrudes towards the rotating hanging arm direction near one side of the rotating hanging arm.

[0013] Further, bearing holes and bolt holes are arranged in the front-rear direction of the second vertical part and the third vertical part, and the third vertical part is connected with the second vertical part through a bearing and a bolt penetrating through the bearing holes and the bolt holes.

[0014] Further, the bearing hole is arranged above the bolt hole.

[0015] Further, the rotating hanging arm rotates around the bearing as the axis.

[0016] Further, the lower part of the first support part and the second support part is provided with a reinforcing rib.

[0017] Further, the jack is arranged on the upper surface of the load-bearing base between the support arm and the support hanging arm.

[0018] The utility model has the advantages that:

[0019] The utility model discloses a rotating arm form on one side, so that the device itself can be hung on the lower traction device base and fixed, and when the jack is used to jacking, the left and right jacking forces are uniform, and the left and right synchronism can be conveniently controlled.

[0020] The utility model discloses simple structure, low manufacturing cost, convenient to use, convenient operation,

[0021] The utility model discloses can save manpower, improve work efficiency, can adapt to the on-site operation of a plurality of scenes, and is not restricted by whether there is a ditch or not.

[0022] The utility model discloses stable force transmission, and will not cause damage to the vehicle body parts.

[0023] The utility model discloses can be applicable to a plurality of vehicle types, and under the condition that the lower traction device has a rib plate, can be adjusted through the rotating hanging arm and hung on the lower traction body. DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical scheme of the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0025] Figure 1 It is the front view of the utility model.

[0026] Figure 2 is a top view of the present utility model.

[0027] Figure 3 is a front view of the present utility model.

[0028] Figure 4 is a rotating arm rotating schematic view of the present utility model.

[0029] Figure 5 is a schematic view of the present utility model hanging on the lower traction device base.

[0030] BRIEF DESCRIPTION OF DRAWINGS

[0031] 1, bearing base; 101, bottom plate; 102, support arm; 1021, first support part; 1022, first vertical part; 1023, first hanging part; 103, support hanging arm; 1031, second support part; 1032, second vertical part; 2, rotating hanging arm; 201, third vertical part; 202, second hanging part; 3, bearing; 4, bolt; 5, jack. DETAILED DESCRIPTION

[0032] It should be noted that the embodiments and features in the embodiments in the present utility model can be combined with each other without conflict. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the present utility model clearer, the technical scheme in the embodiments of the present utility model will be described clearly and completely below in combination with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, not as any limitation on the present utility model and its application or use. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present utility model.

[0034] It should be noted that the terms used herein are only for describing specific embodiments, not intended to limit the exemplary embodiments according to the present utility model. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form, and in addition, it should be understood that when the terms "comprise" and / or "include" are used in the specification, they indicate the presence of a feature, step, operation, device, component and / or their combination.

[0035] Unless otherwise specified, the relative arrangement of the parts and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be clear that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to actual proportional relationships. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0036] In the description of the present invention, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention: the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0037] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below their position devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0038] In addition, it should be noted that the use of words such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood as limiting the scope of protection of this utility model.

[0039] The utility model provides a technical solution: a subway vehicle traction pin separation device, such as Figures 1-5 As shown, it includes a load-bearing base 1, a rotating hanging arm 2 and a jack 5. The load-bearing base 1 includes a bottom plate 101, a support arm 102 and a support hanging arm 103;

[0040] The support arm 102 is disposed on one side of the upper surface of the load-bearing base 1, and the support arm 103 and the rotating arm 2 are disposed on the other side of the upper surface of the load-bearing base 1 and are connected. The support arm 102 includes a first support portion 1021 at the bottom, a first vertical portion 1022 in the middle, and a first hanging portion 1023 at the top. The side of the first hanging portion 1023 near the support arm 103 protrudes toward the support arm 103, and the side of the second hanging portion 202 near the rotating arm 2 protrudes toward the rotating arm 2. Reinforcing ribs are provided at the lower portions of the first support portion 1021 and the second support portion 1031.

[0041] The support arm 103 includes a second supporting portion 1031 at the bottom and a second vertical portion 1032 in the middle. A bearing hole and a latch hole are defined in the front-to-back direction of the second vertical portion 1032 and the third vertical portion 201. The third vertical portion 201 is connected to the second vertical portion 1032 via a bearing 3 and a latch 4 that pass through the bearing and latch holes. The bearing hole is located above the latch hole.

[0042] The rotating hanging arm 2 includes a third vertical portion 201 in the middle and a second hanging portion 202 at the top;

[0043] The jack 5 is arranged on the upper surface of the load-bearing base 1 between the support arm 102 and the support hanging arm 103 .

[0044] When separating the car body from the bogie, the operator pulls out the latch 4 to rotate the rotating arm 2 outward by a certain angle. Figure 4 Hang the whole device on the lower traction device base, as shown. Figure 5 As shown, the rotating arm 2 is then rotated again, the pin hole of the rotating arm 2 is aligned with the pin hole of the support arm, and the pin 4 is installed to limit the rotation of the rotating arm 2 so that the device is stably hung on the base of the lower traction body. Then, the upper traction body is operated to lift the bottom surface of the center pin. The support arm 102 and the rotating arm 2 pull the lower traction device downward, and the jack 5 makes the center pin upward, thereby separating the two.

[0045] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A subway vehicle draft pin release device characterized by: Including load-bearing base (1), rotating hanging arm (2) and jack (5), the load-bearing base (1) includes bottom plate (101), support arm (102) and support hanging arm (103); The support arm (102) is arranged on one side of the upper surface of the load-bearing base (1), and the support hanging arm (103) and the rotating hanging arm (2) are arranged on the other side of the upper surface of the load-bearing base (1) and are connected, the support arm (102) includes a first support portion (1021) at the bottom, a first vertical portion (1022) at the middle and a first hanging portion (1023) at the top; The support hanging arm (103) includes a second support portion (1031) at the bottom and a second vertical portion (1032) at the middle; The rotating hanging arm (2) includes a third vertical portion (201) at the middle and a second hanging portion (202) at the top; The jack (5) is arranged on the upper surface of the load-bearing base (1).

2. The subway vehicle draft pin release device of claim 1, wherein: The first hanging portion (1023) protrudes towards the support hanging arm (103) on one side close to the support hanging arm (103), and the second hanging portion (202) protrudes towards the rotating hanging arm (2) on one side close to the rotating hanging arm (2).

3. The subway vehicle draft pin release device of claim 1, wherein: The second vertical portion (1032) and the third vertical portion (201) are provided with bearing holes and bolt holes in the front-to-back direction.

4. The subway vehicle draft pin release of claim 3, wherein: The third vertical portion (201) and the second vertical portion (1032) are connected by a bearing (3) and a bolt (4) penetrating through the bearing holes and the bolt holes.

5. The subway car draft pin release of claim 3, wherein: The bearing hole is arranged above the bolt hole.

6. The subway car draft pin release of claim 1, wherein: The rotating hanging arm (2) rotates around the bearing as the axis.

7. The subway car draft pin release of claim 1, wherein: The first support portion (1021) and the second support portion (1031) are provided with reinforcing ribs at the lower part.

8. The subway car draft pin release of claim 1, wherein: The jack (5) is arranged on the upper surface of the load-bearing base (1) between the support arm (102) and the support hanging arm (103).