Vibration test bench tool for testing slip ring of variable pitch system

Abstract

The utility model relates to the field of wind power generation, aims to solve the problems that in the prior art, an anti-rotation test cannot be carried out on a slip ring, an anti-vibration test cannot be carried out on the slip ring, and various types of slip rings cannot be tested at the same time, and provides a vibration test bench tool for a variable pitch system slip ring test, which comprises a base, a shell is arranged on the top face of the base, the end, close to the base, of the shell is connected with the base, a servo motor is arranged in the shell, the end, close to the base, of the servo motor is detachably connected to the base, an output shaft of the servo motor is perpendicular to the top of the shell, a rotating mechanism is arranged at the top end of the shell, and the output shaft of the servo motor is fixedly connected to the rotating mechanism. A stop rod is arranged on one side of the rotating mechanism, and the end, close to the top face of the shell, of the stop rod is perpendicularly and fixedly connected to the top face of the shell. The slip ring testing device has the advantages of being simple in structure, convenient to disassemble and assemble, and capable of simultaneously or respectively testing the rotation working condition and the vibration working condition of the slip ring and testing various types of slip rings.

Description

Technical Field

[0001] The utility model relates to the field of wind power generation, in particular to a vibration test bench tooling for testing a slip ring of a variable pitch system. Background Art

[0002] In recent years, with the advancement of the dual carbon goals, new energy has developed rapidly. Wind power development is currently a very mature renewable energy technology. It plays an important role and significance in alleviating regional power shortages, adjusting energy structure, and improving the environment. Wind power, as a clean energy, can effectively alleviate the pressure of coal-fired power and reduce the emission of pollutants such as dust, waste gas, and solid waste.

[0003] With the development of wind power industry, the number of wind turbine models has increased. The pitch system is related to the safety of wind turbines. Slip rings, as the medium connecting the pitch system and the main control system, play a key role in the stability of the pitch system. It is extremely important to test the slip rings under various working conditions. However, there is currently no test device for the anti-rotation and anti-vibration of slip rings, and it is impossible to test slip rings of different models and sizes. Utility Model Content

[0004] The utility model aims to provide a vibration test bench tooling for testing the slip ring of a variable pitch system, so as to solve the problems in the prior art that the slip ring cannot be tested for anti-rotation, cannot be tested for anti-vibration and cannot be tested for slip rings of various models at the same time.

[0005] The embodiment of the utility model is achieved as follows:

[0006] The embodiment of the utility model provides a vibration test bench tooling for testing a slip ring of a pitch system, which comprises a base;

[0007] A shell is provided on the top surface of the base, one end of the shell close to the base is fixedly connected to the base, a servo motor is provided inside the shell, one end of the servo motor close to the base is detachably connected to the base, an output shaft of the servo motor is perpendicular to the top of the shell, a rotating mechanism is provided at the top of the shell, and the output shaft of the servo motor is fixedly connected to the rotating mechanism;

[0008] A stop rod is provided on one side of the rotating mechanism, and one end of the stop rod close to the top surface of the shell is vertically fixedly connected to the top surface of the shell.

[0009] When in use, first, the test bench is hoisted onto the vibration table and bolted to the vibration table through the base. Secondly, the rotor part of the slip ring is installed on the rotating mechanism on the top of the shell, and the stator part of the slip ring is fixed on the stop rod so that the stator part of the slip ring is connected to the base. Finally, the servo motor is started to drive the rotating mechanism to rotate through the servo motor, thereby rotating the slip ring, and then the rotation condition of the slip ring can be tested. The vibration condition of the slip ring can be tested through the vibration table connected to the lower part of the test bench.

[0010] The vibration test bench tooling for testing the slip ring of a variable pitch system disclosed in the present embodiment can drive the rotation mechanism to rotate through the servo motor, so that the slip ring can realize the test of the rotation condition, and the vibration table under the base can realize the test of the vibration condition of the slip ring, thereby making the vibration test bench tooling for testing the slip ring of a variable pitch system have the beneficial effects of simple structure, convenient assembly and disassembly, and the ability to test the rotation condition and vibration condition of the slip ring simultaneously or separately, and the ability to test various types of slip rings.

[0011] Optionally: a plurality of first mounting holes are provided on the base, and the plurality of first mounting holes are evenly distributed along the outer edge of the base.

[0012] In this way, the arrangement of the plurality of the first mounting holes facilitates the test bench to be mounted on the vibration table through the plurality of the first mounting holes, so that the rotation and vibration tests of the slip ring can be performed simultaneously or separately.

[0013] Optionally: the shell has an annular cylinder wall and a top cover, the diameter of the top cover is larger than the diameter of the annular cylinder wall, one end of the annular cylinder wall close to the base is fixedly connected to the base, and one end of the annular cylinder wall close to the top cover is fixedly connected to the top cover.

[0014] Such an arrangement enables the base, the annular cylinder wall and the top cover to be connected into a whole, which is beneficial to improving the overall strength of the test bench and is convenient for bearing the weight of the slip ring.

[0015] Optionally: a plurality of external reinforcement members are provided at the angle between the outer wall of the annular cylinder wall and the base, the plurality of external reinforcement members are evenly distributed at the angle between the outer wall of the annular cylinder wall and the base, and the plurality of external reinforcement members are fixedly connected at the angle between the outer wall of the annular cylinder wall and the base.

[0016] With such arrangement, the plurality of external reinforcement members can enhance the stability of the connection between the annular cylinder wall and the base, provide effective support, and thus improve the overall stability of the test bench.

[0017] Optionally: a plurality of internal reinforcement members are provided at the angle between the inner wall of the annular cylinder wall and the top cover, the plurality of internal reinforcement members are evenly distributed at the angle between the inner wall of the annular cylinder wall and the top cover, and the plurality of internal reinforcement members are fixedly connected at the angle between the inner wall of the annular cylinder wall and the top cover.

[0018] With such arrangement, the plurality of internal reinforcement members can enhance the strength and stability of the connection between the annular cylinder wall and the top cover, which is beneficial to improving the overall stability of the test bench.

[0019] Optionally: a motor fixing groove is provided on one side of the top cover close to the annular cylinder wall, and a notch of the motor fixing groove is fixedly connected to one side of the top cover close to the annular cylinder wall;

[0020] The output shaft of the servo motor can rotatably penetrate the motor fixing slot, and one end of the housing of the servo motor close to the motor fixing slot can be detachably connected to the motor fixing slot.

[0021] With such arrangement, the motor fixing groove can provide a supporting platform for fixing the servo motor, thereby ensuring stable operation of the servo motor and avoiding unnecessary vibration or shaking, thereby avoiding affecting the experimental data.

[0022] Optionally: a flexible coupling is provided inside the motor fixing groove, one end of the flexible coupling close to the servo motor is fixedly connected to the output shaft of the servo motor, and one end of the flexible coupling close to the rotating mechanism is fixedly connected to the rotating mechanism.

[0023] With such arrangement, the flexible coupling can absorb the vibration of the vibration table, thereby preventing the vibration from damaging the fixed connection between the flexible coupling and the servo motors, thereby ensuring the service life of the equipment.

[0024] Optionally: a through hole is provided on the top cover corresponding to the motor fixing slot, and the rotating mechanism is located on the through hole and rotatably connected to the top cover;

[0025] The rotating mechanism has a bearing, the inner ring of the bearing is rotatably located in the through hole, and the outer ring of the bearing is bolted to the top cover;

[0026] An adapter plate is provided at one end of the inner ring of the bearing close to the motor fixing groove, and the adapter plate has a plurality of fixing bolts. The adapter plate is fixedly connected to the inner ring of the bearing through the plurality of fixing bolts, and one end of the flexible coupling close to the adapter plate is fixedly connected to the adapter plate.

[0027] Such an arrangement enables the servo motor to drive the adapter plate to rotate through the flexible coupling, and the rotating plate drives the inner ring of the bearing to rotate, so as to facilitate testing of the rotational working condition of the slip ring.

[0028] Optionally: one end of the inner ring of the bearing away from the adapter plate is bolted to the main shaft, and one end of the main shaft away from the bearing is bolted to the slip ring plate, and a plurality of second mounting holes are evenly arranged on the slip ring plate.

[0029] Such arrangement makes the device applicable to various types of slip rings, and the plurality of second mounting holes facilitate the fixing of the rotor of the slip ring, thereby facilitating the rotation of the rotor of the slip ring.

[0030] Optionally, a plurality of lifting rings are fixedly connected to the outer edge of the top cover, and the plurality of lifting rings are evenly distributed on the outer edge of the top cover.

[0031] With such arrangement, the arrangement of the plurality of lifting rings is convenient for lifting the plurality of lifting rings by means of a lifting device, thereby enabling the equipment to be lifted and transported, which is beneficial for the installation and disassembly of the equipment.

[0032] Optionally, a wire outlet hole is provided on one side wall of the annular shell.

[0033] With such arrangement, the wire outlet hole facilitates the wires of the servo motor to pass through the wire outlet hole and be connected to a power source.

[0034] In summary, the vibration test bench tooling for testing the variable pitch system slip ring disclosed by the utility model has the beneficial effects of simple structure, convenient assembly and disassembly, and the ability to test the rotational working condition and vibration working condition of the slip ring simultaneously or separately and the ability to test various types of slip rings. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 A three-dimensional stereogram of a vibration test bench tooling for testing a slip ring of a variable pitch system in an embodiment of the utility model;

[0037] Figure 2 It is a front view of a vibration test bench tooling for testing the slip ring of a variable pitch system in an embodiment of the utility model;

[0038] Figure 3 In the embodiment of the utility model Figure 2 a first cross-sectional view of

[0039] Figure 4 In the embodiment of the utility model Figure 2 A second cross-sectional view of .

[0040] Icons: 1-base, 2-housing, 3-servo motor, 4-rotating mechanism, 5-stop rod, 6-first mounting hole, 7-annular cylinder wall, 8-top cover, 9-external reinforcement, 10-inner reinforcement, 11-motor fixing groove, 12-flexible coupling, 13-through hole, 14-bearing, 15-adapter plate, 16-fixing bolt, 17-spindle, 18-slip ring plate, 19-second mounting hole, 20-lifting ring, 21-wire outlet hole. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0042] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] Example

[0044] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 , This embodiment proposes a vibration test bench tooling for testing a pitch system slip ring, comprising a base 1;

[0045] A shell 2 is provided on the top surface of the base 1, and one end of the shell 2 close to the base 1 is fixedly connected to the base 1. A servo motor 3 is provided inside the shell 2, and one end of the servo motor 3 close to the base 1 is detachably connected to the base 1. The output shaft of the servo motor 3 is perpendicular to the top of the shell 2. A rotating mechanism 4 is provided at the top of the shell 2, and the output shaft of the servo motor 3 is fixedly connected to the rotating mechanism 4.

[0046] A stop rod 5 is provided on one side of the rotating mechanism 4 , and one end of the stop rod 5 close to the top surface of the shell 2 is vertically fixedly connected to the top surface of the shell 2 .

[0047] When in use, first, the test bench is hoisted onto the vibration table and bolted to the vibration table through the base 1; secondly, the rotor part of the slip ring is installed on the rotating mechanism 4 on the top of the shell 2, and the stator part of the slip ring is fixed on the stop rod 5, so that the stator part of the slip ring is connected to the base 1; finally, the servo motor 3 is started, and the rotating mechanism 4 is driven to rotate by the servo motor 3, so that the slip ring rotates, and then the rotation condition of the slip ring can be tested, and the vibration condition of the slip ring can be tested through the vibration table connected to the lower part of the test bench.

[0048] The vibration test bench tooling for testing the slip ring of a variable pitch system disclosed in the present embodiment can drive the rotating mechanism 4 to rotate through the servo motor 3, so that the slip ring can realize the test of the rotation condition, and the vibration table under the base 1 can realize the test of the vibration condition of the slip ring, thereby making the vibration test bench tooling for testing the slip ring of the variable pitch system have the beneficial effects of simple structure, convenient disassembly and assembly, and the ability to test the rotation condition and vibration condition of the slip ring simultaneously or separately, and the ability to test various types of slip rings.

[0049] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A plurality of first mounting holes 6 are provided on the base 1, and the plurality of first mounting holes 6 are evenly distributed along the outer edge of the base 1. The arrangement of the plurality of first mounting holes 6 facilitates the installation of the test bench on the vibration table through the plurality of first mounting holes 6, so that the slip ring can be rotated and vibrated simultaneously or separately.

[0050] The shell 2 has an annular cylinder wall 7 and a top cover 8. The diameter of the top cover 8 is larger than the diameter of the annular cylinder wall 7. One end of the annular cylinder wall 7 close to the base 1 is fixedly connected to the base 1, and one end of the annular cylinder wall 7 close to the top cover 8 is fixedly connected to the top cover 8. In this way, the base 1, the annular cylinder wall 7 and the top cover 8 can be connected into a whole, which is beneficial to improve the overall strength of the experimental platform and is convenient for bearing the weight of the slip ring.

[0051] A plurality of external reinforcement members 9 are provided at the angle between the outer wall of the annular cylinder wall 7 and the base 1. The plurality of external reinforcement members 9 are evenly distributed at the angle between the outer wall of the annular cylinder wall 7 and the base 1, and the plurality of external reinforcement members 9 are fixedly connected at the angle between the outer wall of the annular cylinder wall 7 and the base 1. The plurality of external reinforcement members 9 can enhance the stability of the connection between the annular cylinder wall 7 and the base 1, provide effective support, and thus improve the overall stability of the test bench.

[0052] A plurality of internal reinforcements 10 are provided at the angle between the inner wall of the annular cylinder wall 7 and the top cover 8. The plurality of internal reinforcements 10 are evenly distributed at the angle between the inner wall of the annular cylinder wall 7 and the top cover 8, and the plurality of internal reinforcements 10 are fixedly connected at the angle between the inner wall of the annular cylinder wall 7 and the top cover 8. The plurality of internal reinforcements 10 can enhance the strength and stability of the connection between the annular cylinder wall 7 and the top cover 8, which is beneficial to improving the overall stability of the test bench.

[0053] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A motor fixing groove 11 is provided on one side of the top cover 8 close to the annular cylinder wall 7, and the notch of the motor fixing groove 11 is fixedly connected to the side of the top cover 8 close to the annular cylinder wall 7; the output shaft of the servo motor 3 can rotatably pass through the motor fixing groove 11, and one end of the outer shell of the servo motor 3 close to the motor fixing groove 11 can be detachably connected to the motor fixing groove 11, and the motor fixing groove 11 can provide a supporting platform for the fixation of the servo motor 3, ensuring the stable operation of the servo motor 3 and avoiding unnecessary vibration or shaking, thereby avoiding affecting the experimental data.

[0054] A flexible coupling 12 is provided inside the motor fixing groove 11. One end of the flexible coupling 12 close to the servo motor 3 is fixedly connected to the output shaft of the servo motor 3, and one end of the flexible coupling 12 close to the rotating mechanism 4 is fixedly connected to the rotating mechanism 4. The flexible coupling 12 can absorb the vibration of the vibration table to prevent the vibration from destroying the fixed connection between the flexible coupling 12 and the servo motor 3, thereby ensuring the service life of the equipment.

[0055] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A through hole 13 is provided on the top cover 8 corresponding to the motor fixing groove 11, and the rotating mechanism 4 is located on the through hole 13 and is rotatably connected to the top cover 8; the rotating mechanism 4 has a bearing 14, the inner ring of the bearing 14 is rotatably located in the through hole 13, and the outer ring of the bearing 14 is bolted to the top cover 8; an adapter plate 15 is provided at one end of the inner ring of the bearing 14 close to the motor fixing groove 11, and a plurality of fixing bolts 16 are provided on the adapter plate 15, and the adapter plate 15 is fixedly connected to the inner ring of the bearing 14 through the plurality of fixing bolts 16, and the end of the flexible coupling 12 close to the adapter plate 15 is fixedly connected to the adapter plate 15, so that the servo motor 3 can drive the adapter plate 15 to rotate through the flexible coupling 12, and the rotating plate drives the inner ring of the bearing 14 to rotate, so as to facilitate the testing of the rotation working condition of the slip ring.

[0056] The end of the inner ring of the bearing 14 away from the adapter plate 15 is bolted to the main shaft 17, and the end of the main shaft 17 away from the bearing 14 is bolted to the slip ring plate 18. A plurality of second mounting holes 19 are evenly arranged on the slip ring plate 18, so that the equipment is suitable for various types of slip rings. The plurality of second mounting holes 19 facilitate the fixing of the rotor of the slip ring, thereby facilitating the rotation of the rotor of the slip ring.

[0057] A plurality of lifting rings 20 are fixedly connected to the outer edge of the top cover 8, and the plurality of lifting rings 20 are evenly distributed on the outer edge of the top cover 8. The arrangement of the plurality of lifting rings 20 facilitates lifting the plurality of lifting rings 20 by lifting equipment, thereby enabling the equipment to be lifted and transported, which is beneficial to the installation and disassembly of the equipment.

[0058] A wire outlet hole 21 is formed on one side wall of the annular housing 2 , and the wire outlet hole 21 is convenient for the wires of the servo motor 3 to pass through the wire outlet hole 21 and be connected to a power source.

[0059] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 In this embodiment, the parts that need to be contacted in the equipment are subjected to anti-corrosion treatment and electroplating treatment, and the non-contact parts are sprayed with paint. This can improve the durability of the equipment, increase the service life of the equipment, and avoid premature corrosion and oxidation of the equipment.

[0060] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 In this embodiment, the slip ring is responsible for the power, control signal and data transmission functions of the entire wind power generation system. It is a very critical component in the entire wind turbine system. Its precision, reliability and service life directly affect the performance of the wind power generation system.

[0061] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 , the specific steps of using the vibration test bench tooling for the variable pitch system slip ring test in this embodiment are:

[0062] First, the test bench is hoisted on the vibration table and bolted to the vibration table through the first mounting holes 6 of the base 1. Next, the rotor part of the slip ring is mounted on the slip ring adapter 18 on the main shaft 17, and the stator part of the slip ring is fixed on the stop rod 5, so that the stator part of the slip ring is connected to the base 1. Then, the servo motor 3 is started, and the servo motor 3 drives the flexible coupling 12 inside the motor fixing groove 11 to rotate, and the flexible coupling 12 drives the adapter 15 to rotate, and the adapter 15 drives the bearing The inner ring of bearing 14 rotates, and the inner ring of bearing 14 drives the main shaft 17 to rotate, thereby making the slip ring rotate, and then the rotation condition of the slip ring can be tested. The vibration condition of the slip ring can be tested through the vibration table connected to the lower part of the test bench. Finally, after the test is completed, the slip ring is removed from the slip ring adapter 18. When it is necessary to test slip rings of other models and sizes, the slip ring adapter 18 is removed from the main shaft 17, and a suitable slip ring adapter 18 is replaced and installed on the main shaft 17, so that the centered model of the slip ring can be tested.

[0063] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A vibration test bench tooling for testing the slip ring of a pitch control system, characterized by: comprising a base (1); A shell (2) is provided on the top surface of the base (1); one end of the shell (2) close to the base (1) is fixedly connected to the base (1); a servo motor (3) is provided inside the shell (2); one end of the servo motor (3) close to the base (1) is detachably connected to the base (1); an output shaft of the servo motor (3) is perpendicular to the top of the shell (2); a rotating mechanism (4) is provided at the top of the shell (2); and the output shaft of the servo motor (3) is fixedly connected to the rotating mechanism (4); A stop rod (5) is provided on one side of the rotating mechanism (4); one end of the stop rod (5) close to the top surface of the shell (2) is vertically fixedly connected to the top surface of the shell (2).

2. A vibration test bench tooling for testing the slip ring of a pitch system according to claim 1, characterized in that: The base (1) is provided with a plurality of first mounting holes (6), and the plurality of first mounting holes (6) are evenly distributed along the outer edge of the base (1).

3. The vibration test bench tooling for testing the slip ring of a pitch system according to claim 1, characterized in that: The shell (2) comprises an annular cylindrical wall (7) and a top cover (8); the diameter of the top cover (8) is larger than the diameter of the annular cylindrical wall (7); one end of the annular cylindrical wall (7) close to the base (1) is fixedly connected to the base (1); and one end of the annular cylindrical wall (7) close to the top cover (8) is fixedly connected to the top cover (8).

4. The vibration test bench tooling for testing the slip ring of a pitch system according to claim 3 is characterized by: A plurality of external reinforcement members (9) are provided at the angle between the outer wall of the annular cylinder wall (7) and the base (1); the plurality of external reinforcement members (9) are evenly distributed at the angle between the outer wall of the annular cylinder wall (7) and the base (1); and the plurality of external reinforcement members (9) are fixedly connected at the angle between the outer wall of the annular cylinder wall (7) and the base (1).

5. The vibration test bench tooling for testing the slip ring of a pitch system according to claim 3 is characterized by: A plurality of internal reinforcement members (10) are provided at the angle between the inner wall of the annular cylinder wall (7) and the top cover (8); the plurality of internal reinforcement members (10) are evenly distributed at the angle between the inner wall of the annular cylinder wall (7) and the top cover (8); and the plurality of internal reinforcement members (10) are fixedly connected at the angle between the inner wall of the annular cylinder wall (7) and the top cover (8).

6. The vibration test bench tooling for testing the slip ring of a pitch system according to claim 3 is characterized by: A motor fixing groove (11) is provided on one side of the top cover (8) close to the annular cylinder wall (7), and a notch of the motor fixing groove (11) is fixedly connected to one side of the top cover (8) close to the annular cylinder wall (7); The output shaft of the servo motor (3) can rotatably penetrate the motor fixing slot (11), and one end of the housing of the servo motor (3) close to the motor fixing slot (11) is detachably connected to the motor fixing slot (11).

7. The vibration test bench tooling for testing the slip ring of a pitch system according to claim 6 is characterized by: A flexible coupling (12) is provided inside the motor fixing groove (11); one end of the flexible coupling (12) close to the servo motor (3) is fixedly connected to the output shaft of the servo motor (3); and one end of the flexible coupling (12) close to the rotating mechanism (4) is fixedly connected to the rotating mechanism (4).

8. The vibration test bench tooling for testing the slip ring of a pitch system according to claim 7 is characterized by: A through hole (13) is provided on the top cover (8) corresponding to the motor fixing groove (11); the rotating mechanism (4) is located on the through hole (13) and is rotatably connected to the top cover (8); The rotating mechanism (4) has a bearing (14), the inner ring of the bearing (14) is rotatably located in the through hole (13), and the outer ring of the bearing (14) is bolted to the top cover (8); An adapter plate (15) is provided at one end of the inner ring of the bearing (14) close to the motor fixing groove (11), and the adapter plate (15) has a plurality of fixing bolts (16). The adapter plate (15) is fixedly connected to the inner ring of the bearing (14) by the plurality of fixing bolts (16), and one end of the flexible coupling (12) close to the adapter plate (15) is fixedly connected to the adapter plate (15).

9. The vibration test bench tooling for testing the slip ring of a pitch system according to claim 8, characterized in that: One end of the inner ring of the bearing (14) away from the adapter plate (15) is bolted to a main shaft (17), and one end of the main shaft (17) away from the bearing (14) is bolted to a slip ring plate (18), and a plurality of second mounting holes (19) are evenly arranged on the slip ring plate (18).

10. The vibration test bench tooling for testing the slip ring of a pitch system according to claim 3, characterized in that: A plurality of lifting rings (20) are fixedly connected to the outer edge of the top cover (8), and the plurality of lifting rings (20) are evenly distributed on the outer edge of the top cover (8).

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