Metro vehicle air spring positioning pin angle positioning tool

By designing the subway vehicle air spring positioning pin angle positioning tooling, the problem of deviation of the positioning pin angle of the air spring in the airless state is solved, accurate positioning and convenient operation are achieved, and the operation rework cost is reduced.

CN223130563UActive Publication Date: 2025-07-22SUZHOU RAIL TRANSIT OPERATION CO LTD OPERATION BRANCH NO 1
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Patent Information

Application Number
CN202422453184.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-07-22
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

In the prior art, when the air spring is in an airless state, the friction force between the airbag and the emergency spring boss is small, causing the airbag and the emergency spring to rotate relative to each other during the air spring disassembly, transfer, and operation, and the positioning pin angle deviates, and it cannot be connected to the installation hole, resulting in rework of the operation, which consumes time and labor costs.

Method used

A subway vehicle air spring positioning pin angle positioning tool is designed, including base, upper cover plate, mounting parts, connecting plates, positioning pins and other components. By simulating the connecting hole position of the vehicle body and bogie, the positioning pin angle is ensured to be accurate, and the tooling is divided into upper and lower parts for easy disassembly and maintenance.

Benefits of technology

The accurate positioning of the angle of the air spring positioning pin is achieved, reducing the time of operation, reducing labor costs, and improving operation efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223130563U_ABST
    Figure CN223130563U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of air spring positioning pin positioning tools, and discloses a metro vehicle air spring positioning pin angle positioning tool which comprises a base, an upper cover plate is fixedly installed on the upper surface of the base, an installation piece is fixedly installed on the upper surface of the upper cover plate, a plurality of installation grooves are formed in the upper surface of the upper cover plate, and the installation piece is fixedly installed on the installation groove. According to the utility model, analysis is carried out according to the relative connection position of the air spring on the vehicle body bogie, and an upper part and a lower part are designed to simulate the connection hole position of the vehicle body and the bogie; a proper size can be made according to the appearance of an air spring part, the tool can accurately position the angle of the air spring positioning pin, meanwhile, field staff can operate the tool conveniently, and the tool is divided into an upper part and a lower part as a whole and is convenient to disassemble and maintain.
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Description

Technical Field

[0001] The utility model relates to the technical field of air spring positioning pin positioning tooling, in particular to an air spring positioning pin angle positioning tooling for subway vehicles. Background Technique

[0002] For the air spring positioning pin positioning tooling, the air spring airbag and the emergency spring boss on Line 2 adopt a self-sealing connection structure. When the air spring is in a non-air state, the friction between the airbag and the emergency spring boss is small. When the air spring is disassembled, transported, and operated from the bogie, the airbag and the emergency spring will rotate relative to each other, resulting in the deviation of the angle of the air spring positioning pin. This causes the situation that the air spring positioning pin cannot be docked with the installation hole during the connection operation of the car body and the bogie, leading to rework of the operation. It consumes a huge amount of time and labor costs, and there is an urgent need for a special positioning tool.

[0003] Therefore, we propose an air spring positioning pin angle positioning tooling for subway vehicles. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the prior art, the utility model provides an air spring positioning pin angle positioning tooling for subway vehicles, which overcomes the deficiencies of the prior art and solves the problems in the background technique that when the air spring is in a non-air state, the friction between the airbag and the emergency spring boss is small, and when the air spring is disassembled, transported, and operated from the bogie, the airbag and the emergency spring will rotate relative to each other, resulting in the deviation of the angle of the air spring positioning pin. This causes the situation that the air spring positioning pin cannot be docked with the installation hole during the connection operation of the car body and the bogie, leading to rework of the operation. It consumes a huge amount of time and labor costs, and there is an urgent need for a special positioning tool.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solutions: an air spring positioning pin angle positioning tooling for subway vehicles, including a base, an upper cover plate is fixedly installed on the upper surface of the base, an installation part is fixedly installed on the upper surface of the upper cover plate, a plurality of installation grooves are opened on the upper surface of the upper cover plate, a fixed block is arranged on the upper surface of the installation part, a connecting plate is fixedly connected to the outer surface of the fixed block, a handle is fixedly inserted into the upper surface of the connecting plate, two positioning pins are arranged on the upper surface of the connecting plate, an extension plate is fixedly connected to the outer surface of the connecting plate, a sleeve is fixedly connected to the lower surface of the extension plate, a support rod is slidably connected to the inner surface of the sleeve, a lever is fixedly connected to the outer surface of the support rod, a chute is opened on the outer surface of the sleeve, a support plate is fixedly connected to the outer surface of the base, and scale lines are opened on the upper surface of the support plate.

[0008] Preferably, the connecting plate and the extension plate are horizontally arranged with the upper cover plate, and the positioning pins are arranged corresponding to the installation grooves.

[0009] Preferably, the sleeve and the support rod are vertically corresponding to the support plate, scale lines are provided on the outer surface of the sleeve, and the dial rod corresponds to the sliding groove.

[0010] (III) Beneficial effects

[0011] Compared with the prior art, the present utility model provides an angle positioning tool for a subway vehicle air spring positioning pin, having the following beneficial effects:

[0012] 1. For the angle positioning tool for the subway vehicle air spring positioning pin, through the cooperation among the base, the air spring body, the upper cover plate, the fixing plate, the installation groove, the fixing block, the connecting plate, the handle, the positioning pin, the extension plate, the sleeve, the support rod, the dial rod, the sliding groove, and the support plate, by analyzing the relative positions of the air spring connected to the bogie of the vehicle body, two upper and lower components are designed to simulate the connection holes of the vehicle body and the bogie, and appropriate dimensions can be formulated according to the shape of the air spring component, ensuring that the tool can accurately position the angle of the air spring positioning pin, while being convenient for on-site employees to operate. The overall tool is divided into two upper and lower components, which is convenient for disassembly and maintenance. Description of the drawings

[0013] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 It is a three-dimensional structure schematic diagram of the air spring body and its related structures of the present utility model;

[0015] Figure 3 It is a three-dimensional structure schematic diagram of the inside of the sleeve and its related structures of the present utility model.

[0016] In the figure: 1. Base; 2. Mounting member; 3. Upper cover plate; 4. Scale lines; 5. Installation groove; 6. Fixing block; 7. Connecting plate; 8. Handle; 9. Positioning pin; 10. Extension plate; 11. Sleeve; 12. Support rod; 13. Dial rod; 14. Sliding groove; 15. Support plate. Specific embodiments

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0018] Embodiment 1

[0019] Please refer to Figures 1 - 3, An angle positioning tool for the air spring positioning pin 9 of a subway vehicle, which includes a base 1. The upper surface of the base 1 is fixedly installed with an upper cover plate 3. The upper surface of the upper cover plate 3 is fixedly installed with a mounting member 2. The upper surface of the upper cover plate 3 is provided with a number of mounting grooves 5. The upper surface of the mounting member 2 is provided with a fixing block 6. The outer surface of the fixing block 6 is fixedly connected with a connecting plate 7. The upper surface of the connecting plate 7 is fixedly inserted with a handle 8. The upper surface of the connecting plate 7 is provided with two positioning pins 9. The outer surface of the connecting plate 7 is fixedly connected with an extension plate 10. The lower surface of the extension plate 10 is fixedly connected with a sleeve 11. The inner surface of the sleeve 11 is slidably connected with a support rod 12. The outer surface of the support rod 12 is fixedly connected with a lever 13. The outer surface of the sleeve 11 is provided with a sliding groove 14. The outer surface of the base 1 is fixedly connected with a support plate 15. The upper surface of the support plate 15 is provided with a scale line 4.

[0020] Specifically, through the cooperation among the base 1, the mounting member 2, the upper cover plate 3, the scale line 4, the mounting groove 5, the fixing block 6, the connecting plate 7, the handle 8, the positioning pin 9, the extension plate 10, the sleeve 11, the support rod 12, the lever 13, the sliding groove 14, and the support plate 15, analyze the relative positions of the air spring in the connection of the car body bogie, design the upper and lower two components to simulate the connection holes of the car body and the bogie, and can formulate appropriate sizes according to the shape of the air spring component to ensure that the tool can accurately position the angle of the air spring positioning pin 9, and at the same time is convenient for on-site employees to operate. The tool is generally divided into upper and lower two components, which is convenient for disassembly and maintenance.

[0021] In this implementation: The connecting plate 7 and the extension plate 10 are horizontally arranged with the upper cover plate 3, and the positioning pin 9 is correspondingly arranged with the mounting groove 5.

[0022] Specifically, the connecting plate 7 and the extension plate 10 can be attached to the upper cover plate 3 for cooperative work.

[0023] In this implementation: The sleeve 11 and the support rod 12 are vertically correspondingly arranged with the support plate 15. The outer surface of the sleeve 11 is provided with a scale line, and the lever 13 is correspondingly arranged with the sliding groove 14.

[0024] Specifically, by attaching the support rod 12 to the support plate 15, the measurement and recording work can be carried out through the cooperation of the lever 13 and the scale line.

[0025] Working principle: The air spring body together with the upper cover plate 3 is placed at the specified position through the base 1. Then, the mounting member 2, the fixing block 6 and the connecting plate 7 are installed on the upper cover plate 3 through the handle 8. After the positioning pin 9 and the mounting groove 5 are installed at the specified position, the extension plate 10 protrudes from one side of the upper cover plate 3. Then, the support rod 12 in the sleeve 11 moves to the bottom to fit with the support plate 15 and the scale line 4. Then, the lever 13 slides in the chute 14 and is compared and recorded with the scale line on the sleeve 11, shortening the operation time. After the air spring is installed on the bogie using the tooling, there is no need to adjust the angle of the air spring positioning pin 9 anymore.

[0026] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air spring positioning pin angle positioning tooling for subway vehicles, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly installed with an upper cover plate (3). The upper surface of the upper cover plate (3) is fixedly installed with a mounting member (2). The upper surface of the upper cover plate (3) is provided with a plurality of mounting grooves (5). The upper surface of the mounting member (2) is provided with a fixing block (6). The outer surface of the fixing block (6) is fixedly connected with a connecting plate (7). The upper surface of the connecting plate (7) is fixedly inserted with a handle (8). The upper surface of the connecting plate (7) is provided with two positioning pins (9). The outer surface of the connecting plate (7) is fixedly connected with an extension plate (10). The lower surface of the extension plate (10) is fixedly connected with a sleeve (11). The inner surface of the sleeve (11) is slidably connected with a support rod (12). The outer surface of the support rod (12) is fixedly connected with a dial rod (13). The outer surface of the sleeve (11) is provided with a sliding groove (14). The outer surface of the base (1) is fixedly connected with a support plate (15). The upper surface of the support plate (15) is provided with scale lines (4).

2. The angle positioning tooling for the air spring positioning pin of a subway vehicle according to claim 1, wherein: The connecting plate (7) and the extension plate (10) are horizontally arranged with respect to the upper cover plate (3), and the positioning pins (9) are correspondingly arranged with the mounting grooves (5).

3. A positioning tool for the angle of the air spring positioning pin of a subway vehicle according to claim 1, characterized in that: The sleeve (11) and the support rod (12) are vertically and correspondingly arranged with respect to the support plate (15). The outer surface of the sleeve (11) is provided with scale lines, and the dial rod (13) is correspondingly arranged with the sliding groove (14).