Traction motor test bench for power-concentrated motor train unit

Abstract

The utility model relates to the technical field of test stands, and discloses a power concentration motor train unit traction motor test stand comprising a test stand body, the top of the test stand body is fixedly connected with a display screen, the top of the test stand body is connected with a positioning assembly, the bottom of the test stand body is fixedly connected with a base, and the interior of the base is connected with an adjustable moving assembly. Compared with the prior art, the test bed has the advantages that after the test bed body moves to a designated position, the adjustable moving assembly can be lifted, so that the test bed body is stably placed on the ground, accurate installation and debugging work can be conveniently carried out, it is ensured that the test bed body does not displace in the test process, and the test efficiency is improved. The accuracy of test data is ensured, and the reliability of the traction motor test bed for the power-concentrated motor train unit is improved; it can be guaranteed that the traction motor can be located at the same accurate position every time the traction motor is installed, so that the accuracy and repeatability of the test are improved, and a guarantee is provided for the reliability of test data.

Description

Technical Field

[0001] This utility model relates to the field of test bench technology, and in particular to a test bench for traction motors of power-centralized EMU trains. Background Technology

[0002] Centralized power EMUs, as key equipment in railway transportation, play an increasingly important role in modern transportation systems due to their high efficiency, speed, and large capacity. The traction motor, as the core power source of centralized power EMUs, directly affects the safety, stability, and efficiency of the train's operation. Existing centralized power EMU traction motor test benches cannot raise their casters after being moved to a designated position, resulting in unstable placement, hindering precise installation and debugging, and compromising the accuracy and reliability of test data. Furthermore, it cannot guarantee that the traction motor will be in the exact same position every time it is installed, leading to low accuracy and repeatability of tests and making it difficult to ensure the reliability of test data. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a test bench for traction motors of power-centralized EMUs.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a test bench for traction motors of a power-centralized EMU, comprising a test bench body, a display screen fixedly connected to the top of the test bench body, a positioning component that can improve the accuracy and repeatability of the test connected to the top of the test bench body, a base fixedly connected to the bottom of the test bench body, and an adjustable moving component that improves reliability connected inside the base;

[0005] The adjustable movable component includes a mounting bracket and a connecting rod. One end of the mounting bracket is fixedly connected to the outside of the base. A cylinder is fixedly connected inside the mounting bracket. A connecting bracket is fixedly connected to the output end of the cylinder. Both ends of the connecting bracket are fixedly connected to racks. A gear is meshed with the top of the rack. Both ends of the connecting rod rotate inside the base. One end of the connecting rod passes through the base and is fixedly connected to one end of the gear.

[0006] As a further description of the above technical solution:

[0007] The adjustable movable component also includes a connecting plate and an active plate. One end of the connecting plate is fixedly connected to the top of the base. One end of the active plate is fixedly sleeved on the outside of the connecting rod. The connecting rod rotates inside the connecting plate. The other end of the active plate away from the connecting rod is rotatably connected to a driven plate. One end of the driven plate is rotatably connected to a driven frame. A support plate is fixedly connected to the bottom of the driven frame. A caster wheel is connected to the bottom of the support plate.

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

[0009] The positioning component includes a positioning pin, the bottom of which is fixedly connected to a threaded rod. The top of the test bench body has a threaded hole, and one end of the threaded rod is threaded into the threaded hole.

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

[0011] A guide groove is provided on one side of the base, and a guide plate is slidably connected inside the guide groove.

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

[0013] One side of the guide plate is fixedly connected to the inside of the rack.

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

[0015] The support plate is provided in two sets, and a reinforcing plate is fixedly connected to the side of the two sets of support plates that are close to each other.

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

[0017] The positioning components are provided in four groups.

[0018] This utility model has the following beneficial effects:

[0019] 1. In this utility model, after the test bench body is moved to the designated position, the adjustable moving component can be raised to place the test bench body stably on the ground, which facilitates precise installation and debugging, ensures that the test bench body will not be displaced during the test, guarantees the accuracy of the test data, and improves the reliability of the power-centralized EMU traction motor test bench.

[0020] 2. In this utility model, the positioning component ensures that the traction motor is in the same precise position each time it is installed, thereby improving the accuracy and repeatability of the test and ensuring the reliability of the test data. Attached Figure Description

[0021] Figure 1 This utility model presents a schematic diagram of the overall structure of a test bench for traction motors of power-centralized EMUs. Figure 1 ;

[0022] Figure 2 This utility model presents a schematic diagram of the overall structure of a test bench for traction motors of power-centralized EMUs. Figure 2 ;

[0023] Figure 3 A cross-sectional view of a power-centralized EMU traction motor test bench proposed in this utility model. Figure 1 ;

[0024] Figure 4 A cross-sectional view of a power-centralized EMU traction motor test bench proposed in this utility model. Figure 2 .

[0025] Legend:

[0026] 1. Test bench body; 2. Display screen; 3. Base; 4. Adjustable moving component; 5. Mounting frame; 6. Cylinder; 7. Connecting frame; 8. Rack; 9. Gear; 10. Connecting rod; 11. Connecting plate; 12. Driving plate; 13. Driven plate; 14. Driven frame; 15. Support plate; 16. Casters; 17. Reinforcing plate; 18. Guide groove; 19. Guide plate; 20. Positioning component; 21. Positioning pin; 22. Threaded rod; 23. Threaded hole. Detailed Implementation

[0027] 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.

[0028] Reference Figures 1-4 The present invention provides an embodiment of a test bench for a traction motor of a power-centralized EMU, comprising a test bench body 1, a display screen 2 fixedly connected to the top of the test bench body 1, a positioning component 20 that can improve the accuracy and repeatability of the test connected to the top of the test bench body 1, a base 3 fixedly connected to the bottom of the test bench body 1, and an adjustable moving component 4 that improves reliability connected inside the base 3.

[0029] The adjustable movable component 4 includes a mounting bracket 5 and a connecting rod 10. One end of the mounting bracket 5 is fixedly connected to the outside of the base 3. A cylinder 6 is fixedly connected inside the mounting bracket 5. A connecting bracket 7 is fixedly connected to the output end of the cylinder 6. A rack 8 is fixedly connected to both ends of the connecting bracket 7. A gear 9 is meshed with the top of the rack 8. Both ends of the connecting rod 10 rotate inside the base 3. One end of the connecting rod 10 passes through the base 3 and is fixedly connected to one end of the gear 9.

[0030] The adjustable movable component 4 also includes a connecting plate 11 and an active plate 12. One end of the connecting plate 11 is fixedly connected to the top of the base 3. One end of the active plate 12 is fixedly sleeved on the outside of the connecting rod 10. The active plate 12 is located inside the connecting plate 11, and the connecting rod 10 rotates inside the connecting plate 11. The other end of the active plate 12 away from the connecting rod 10 is rotatably connected to a driven plate 13. One end of the driven plate 13 is rotatably connected to a driven frame 14. A support plate 15 is fixedly connected to the bottom of the driven frame 14. A caster wheel 16 is connected to the bottom of the support plate 15. The positioning component 20 includes a positioning pin 2. 1. The bottom of the positioning pin 21 is fixedly connected to the threaded rod 22. The top of the test bench body 1 is provided with a threaded hole 23. One end of the threaded rod 22 is threaded into the threaded hole 23, which facilitates the installation and removal of the positioning pin 21. The base 3 is provided with a guide groove 18 on one side. A guide plate 19 is slidably connected inside the guide groove 18. One side of the guide plate 19 is fixedly connected to the inside of the rack 8 to ensure the stability of the rack 8 during movement. There are two sets of support plates 15. The two sets of support plates 15 are fixedly connected to a reinforcing plate 17 on the side that is close to each other to ensure consistency. There are four sets of positioning components 20.

[0031] Working principle: When the test bench body 1 is moved to the designated position, cylinder 6 is activated. Cylinder 6 pushes the connecting frame 7 to move, the connecting frame 7 drives the rack 8 to move, the rack 8 drives the gear 9 to rotate, and the gear 9 drives the driving plate 12 to rotate through the connecting rod 10. The driving plate 12 drives the driven plate 13 to move, and the driven plate 13 drives the support plate 15 to move upward through the driven frame 14. Thus, the support plate 15 drives the casters 16 to rise away from the ground, so that the bottom of the base 3 contacts the ground, ensuring stability. When it is necessary to move the test bench body 1, simply activate cylinder 6 again to lower the casters 16 to contact the ground, and the test bench body 1 can be easily moved, improving the convenience of movement. Then, by inserting the threaded rod 22 into the threaded hole 23 and rotating the fixing and positioning pin 21, the installation position of the traction motor is ensured, improving the accuracy and repeatability of the test.

[0032] 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.

[0033] 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 power-concentrated motor train unit traction motor test bench, comprising a test bench body (1), a display screen (2) is fixedly connected to the top of the test bench body (1), characterized in that: The top of the test bench body (1) is provided with a positioning component (20), and the bottom of the test bench body (1) is fixedly connected with a base (3). An adjustable moving component (4) is connected inside the base (3). The adjustable movable component (4) includes a mounting bracket (5) and a connecting rod (10). One end of the mounting bracket (5) is fixedly connected to the outside of the base (3). A cylinder (6) is fixedly connected inside the mounting bracket (5). A connecting bracket (7) is fixedly connected to the output end of the cylinder (6). A rack (8) is fixedly connected to both ends of the connecting bracket (7). A gear (9) is meshed with the top of the rack (8). Both ends of the connecting rod (10) rotate inside the base (3). One end of the connecting rod (10) passes through the base (3) and is fixedly connected to one end of the gear (9).

2. The test bench for traction motors of a power-concentrated motor train unit according to claim 1, characterized in that: The adjustable movable component (4) further includes a connecting plate (11) and an active plate (12). One end of the connecting plate (11) is fixedly connected to the top of the base (3). One end of the active plate (12) is fixedly sleeved on the outside of the connecting rod (10). The connecting rod (10) rotates inside the connecting plate (11). The other end of the active plate (12) away from the connecting rod (10) is rotatably connected to a driven plate (13). One end of the driven plate (13) is rotatably connected to a driven frame (14). The bottom of the driven frame (14) is fixedly connected to a support plate (15). The bottom of the support plate (15) is connected to a caster wheel (16).

3. The test bench for traction motors of a power-concentrated motor train unit according to claim 1, characterized in that: The positioning component (20) includes a positioning pin (21), and a threaded rod (22) is fixedly connected to the bottom of the positioning pin (21). A threaded hole (23) is opened on the top of the test bench body (1), and one end of the threaded rod (22) is threaded into the threaded hole (23).

4. The test bench for a traction motor of a power-concentrated motor train unit according to claim 1, characterized in that: The base (3) has a guide groove (18) on one side, and a guide plate (19) is slidably connected inside the guide groove (18).

5. The test bench for traction motors of a power-boosting motor train unit according to claim 4, characterized in that: The guide plate (19) is fixedly connected to the inside of the rack (8) on one side.

6. The test bench for a traction motor of a power-concentrated motor train unit according to claim 2, characterized in that: The support plate (15) is provided in two sets, and a reinforcing plate (17) is fixedly connected to the side of the two sets of support plates (15) that are close to each other.

7. The test bench for a traction motor of a power-concentrated motor train unit according to claim 1, characterized in that: The positioning component (20) has four sets.

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