Motor train unit auxiliary air compressor test bench

By installing adjustment components in the auxiliary air compressor test bench of the EMU, the problem of inconvenient height and angle adjustment was solved, improving the comfort of operation and the accuracy of testing, and adapting to air compressors of different models or sizes.

CN224214340UActive Publication Date: 2026-05-08CHENGDU TIEZHAN TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHENGDU TIEZHAN TECH CO LTD
Filing Date
2025-05-15
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

The existing test bench for auxiliary air compressors of high-speed trains is not convenient for adjusting the height and angle, resulting in inconvenient operation, low efficiency and inaccurate test results.

Method used

An adjustment assembly is installed in the test bench, including a fixed plate, a sliding limiter, a fixed block, a motor, and a screw. The motor drives the adjustment block to slide on the screw, and the connecting rod swings between the connecting shafts to achieve the adjustment of the height and angle of the test bench.

Benefits of technology

It achieves improved operational comfort and accuracy and reliability of test results, adapts to different models or sizes of air compressors, and improves operational efficiency and the precision of test data.

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Abstract

The utility model discloses a motor train unit auxiliary air compressor test bench, which belongs to the technical field of test benches, and comprises a bottom plate and a top plate, two groups of adjusting assemblies are arranged between the bottom plate and the top plate and are used for conveniently adjusting the overall height or the angle of any end of the test bench, and each adjusting assembly comprises a fixed plate, a sliding limiting piece and a fixed block, according to the motor train unit auxiliary air compressor test bed, the adjusting assembly is added to the motor train unit auxiliary air compressor test bed, so that the overall height of the test bed is convenient to adjust, operators of different heights do not feel inconvenient to operate, the working efficiency and the operation comfort are improved, and the motor train unit auxiliary air compressor test bed can adapt to motor train unit auxiliary air compressors of different models or sizes; according to the motor train unit auxiliary air compressor test bed, the adjusting assembly is added to the motor train unit auxiliary air compressor test bed, the angle of one end of the test bed can be adjusted conveniently, the installation position of the auxiliary air compressor in the test process is accurate, and the precision and reliability of test data are guaranteed.
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Description

Technical Field

[0001] This utility model relates to the field of test bench technology, and in particular to a test bench for an auxiliary air compressor of a high-speed train. Background Technology

[0002] The EMU auxiliary air compressor test bench is a device used to conduct various performance tests on the EMU auxiliary air compressor. The EMU auxiliary air compressor test bench is of great significance to ensuring the quality and performance of the EMU auxiliary air compressor and is an indispensable piece of equipment in the EMU overhaul and maintenance process.

[0003] The existing test bench for auxiliary air compressors of high-speed trains still has the following areas for improvement during use:

[0004] 1. It is usually inconvenient to adjust the overall height of the test bench. Operators of different heights may find it inconvenient to operate, affecting work efficiency and operating comfort. It may also not be able to adapt to different models or sizes of auxiliary air compressors for high-speed trains, thus affecting the accuracy and reliability of the test.

[0005] 2. The inconvenience of adjusting the angle at one end of the test bench may lead to inaccurate installation of the auxiliary air compressor during the test, thus affecting the accuracy and reliability of the test data. This could result in test results that do not accurately reflect the actual performance of the auxiliary air compressor. Utility Model Content

[0006] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a test bench for auxiliary air compressors of high-speed trains.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a test bench for an auxiliary air compressor of a high-speed train, comprising a base plate and a top plate, wherein an adjustment assembly is provided between the base plate and the top plate for convenient adjustment of the overall height of the test bench or the angle of any end thereof, wherein two sets of adjustment assemblies are provided, each adjustment assembly comprising a fixed plate, a sliding limiter and a fixed block, wherein the fixed plate, the sliding limiter and the fixed block are fixedly connected to the top of the base plate, wherein a motor is connected to one side of the fixed plate, wherein the output shaft of the motor passes through the fixed plate and is fixedly connected to a screw, wherein an adjustment block is threadedly connected to the outer wall of the screw, wherein a second connecting shaft is fixedly connected to both sides of the adjustment block, wherein a first connecting rod is rotatably connected to the outer wall of the second connecting shaft, wherein a sliding groove is provided in the middle of the sliding limiter, and the adjustment block slides in the sliding groove.

[0008] As a further description of the above technical solution:

[0009] The fixing blocks are provided in two sets, and a connecting shaft is fixedly connected between the two sets of fixing blocks. A connecting rod is rotatably connected to the middle of the connecting shaft, and a connecting shaft is fixedly connected to both sides of the connecting rod. The connecting rod and the connecting shaft are rotatably connected.

[0010] As a further description of the above technical solution:

[0011] An extension block is fixedly connected to the bottom of the top plate, and a connecting shaft four is fixedly connected to one side of the extension block. One end of the connecting rod one rotates on the outer wall of the connecting shaft four.

[0012] As a further description of the above technical solution:

[0013] A base is fixedly connected to one side of the fixing plate, and the motor is connected to the top of the base.

[0014] As a further description of the above technical solution:

[0015] A support telescopic rod is provided between the bottom plate and the top plate.

[0016] As a further description of the above technical solution:

[0017] A recessed platform is provided in the middle of the top plate.

[0018] As a further description of the above technical solution:

[0019] A rubber pad is fixedly connected to the bottom of the base plate.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, by adding an adjustment component to the test bench for the auxiliary air compressor of the EMU, the overall height of the test bench can be easily adjusted. Operators of different heights will not feel inconvenient to operate, which improves work efficiency and operating comfort. It can adapt to different models or sizes of auxiliary air compressors for EMUs, thereby ensuring the accuracy and reliability of the test.

[0022] 2. In this utility model, by adding an adjustment component to the test bench for the auxiliary air compressor of the EMU, the angle of one end of the test bench can be easily adjusted, so that the installation position of the auxiliary air compressor is accurate during the test, ensuring the accuracy and reliability of the test data. Attached Figure Description

[0023] Figure 1 This is a first-view view of a test bench for an auxiliary air compressor of a high-speed train proposed in this utility model;

[0024] Figure 2 This is a second-view view of a test bench for an auxiliary air compressor of a high-speed train proposed in this utility model;

[0025] Figure 3 This is a third-view view of a test bench for an auxiliary air compressor of a high-speed train proposed in this utility model.

[0026] Figure 4 This is a fourth-view view of a test bench for an auxiliary air compressor of a high-speed train proposed in this utility model.

[0027] Legend:

[0028] 1. Base plate; 2. Top plate; 3. Rubber pad; 4. Recessed platform; 5. Support telescopic rod; 6. Fixing plate; 7. Motor; 8. Base; 9. Sliding limit component; 10. Screw; 11. Adjusting block; 12. Connecting rod one; 13. Connecting rod two; 14. Fixing block; 15. Slide groove; 16. Extension block; 17. Connecting shaft one; 18. Connecting shaft two; 19. Connecting shaft three; 20. Connecting shaft four. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Reference Figures 1-4 This utility model provides an embodiment of an auxiliary air compressor test bench for high-speed trains, comprising a base plate 1 and a top plate 2. An adjustment assembly is provided between the base plate 1 and the top plate 2. The adjustment assembly consists of two sets, each including a fixed plate 6, a sliding limiter 9, and a fixed block 14. The fixed plate 6, the sliding limiter 9, and the fixed block 14 are fixedly connected to the top of the base plate 1. A motor 7 is connected to one side of the fixed plate 6. The output shaft of the motor 7 passes through the fixed plate 6 and is fixedly connected to a screw 10. An adjustment block 11 is threadedly connected to the outer wall of the screw 10. A second connecting shaft 18 is fixedly connected to both sides of the adjustment block 11. A first connecting rod 12 is rotatably connected to the outer wall of the second connecting shaft 18. A sliding groove 15 is provided in the middle of the sliding limiter 9, and the adjustment block 11 slides in the sliding groove 15.

[0031] Two sets of fixing blocks 14 are provided, and a connecting shaft 17 is fixedly connected between the two sets of fixing blocks 14. A connecting rod 13 is rotatably connected to the middle of the connecting shaft 17. A connecting shaft 19 is fixedly connected to both sides of the connecting rod 13. The connecting rod 12 is rotatably connected to the connecting shaft 19. An extension block 16 is fixedly connected to the bottom of the top plate 2. A connecting shaft 20 is fixedly connected to one side of the extension block 16. One end of the connecting rod 12 rotates on the outer wall of the connecting shaft 20. A base 8 is fixedly connected to one side of the fixing plate 6. A motor 7 is connected to the top of the base 8. A support telescopic rod 5 is connected between the bottom plate 1 and the top plate 2. A recess 4 is opened in the middle of the top plate 2. A rubber pad 3 is fixedly connected to the bottom of the bottom plate 1, which improves the stability of the overall device.

[0032] Working principle: The staff uses rubber pad 3 to move the EMU auxiliary air compressor test bench to a suitable position. If the overall height needs to be adjusted, two sets of motors 7 are started at the same time. The output shaft of motor 7 passes through the fixed plate 6 and drives the screw 10 to rotate. The adjusting block 11 moves on the thread of the outer wall of the screw 10 and slides in the slide groove 15. The connecting rod 12 swings between the connecting shaft 2 18, the extension block 16 and the connecting shaft 4 20. The connecting rod 2 13 swings between the connecting shaft 17 and the connecting shaft 3 19. The support telescopic rod 5 extends and retracts with the rise and fall of the top plate 2, thereby adjusting the height between the top plate 2 and the bottom plate 1. If the angle of either side needs to be adjusted, either set of motors 7 can be started.

[0033] All electrical components mentioned in this article are electrically connected to an external main controller and 220V AC mains power. The main controller can be a conventional known device such as a computer for control. The detailed description of known functions and known components is omitted in the specific embodiments disclosed herein. To ensure the compatibility of the device, the operating methods used are consistent with the parameters of commercially available instruments.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A test bench for an auxiliary air compressor of a high-speed train, comprising a base plate (1) and a top plate (2), characterized in that: An adjustment assembly is provided between the base plate (1) and the top plate (2). The adjustment assembly consists of two sets. The adjustment assembly includes a fixed plate (6), a sliding limiter (9), and a fixed block (14). The fixed plate (6), the sliding limiter (9), and the fixed block (14) are fixedly connected to the top of the base plate (1). A motor (7) is connected to one side of the fixed plate (6). The output shaft of the motor (7) passes through the fixed plate (6) and is fixedly connected to a screw (10). An adjustment block (11) is threadedly connected to the outer wall of the screw (10). A connecting shaft (18) is fixedly connected to both sides of the adjustment block (11). A connecting rod (12) is rotatably connected to the outer wall of the connecting shaft (18). A sliding groove (15) is provided in the middle of the sliding limiter (9). The adjustment block (11) slides in the sliding groove (15).

2. The test bench for auxiliary air compressors of high-speed trains according to claim 1, characterized in that: The fixing block (14) is provided in two sets, and a connecting shaft (17) is fixedly connected between the two sets of fixing blocks (14). A connecting rod (13) is rotatably connected to the middle of the connecting shaft (17), and a connecting shaft (19) is fixedly connected to both sides of the connecting rod (13). The connecting rod (12) is rotatably connected to the connecting shaft (19).

3. The test bench for auxiliary air compressors of high-speed trains according to claim 1, characterized in that: An extension block (16) is fixedly connected to the bottom of the top plate (2), and a connecting shaft four (20) is fixedly connected to one side of the extension block (16). One end of the connecting rod one (12) rotates on the outer wall of the connecting shaft four (20).

4. The test bench for auxiliary air compressors of high-speed trains according to claim 1, characterized in that: A base (8) is fixedly connected to one side of the fixing plate (6), and the motor (7) is connected to the top of the base (8).

5. The test bench for auxiliary air compressors of high-speed trains according to claim 1, characterized in that: A support telescopic rod (5) is provided between the bottom plate (1) and the top plate (2).

6. The test bench for auxiliary air compressors of high-speed trains according to claim 1, characterized in that: A recessed platform (4) is provided in the middle of the top plate (2).

7. The test bench for auxiliary air compressors of high-speed trains according to claim 1, characterized in that: A rubber pad (3) is fixedly connected to the bottom of the base plate (1).