Cleaning device for motor slip ring chamber before injection of cooling liquid

Abstract

The invention provides a cleaning device for a motor slip ring chamber before injection of cooling liquid, and relates to the technical field of slip ring chamber cleaning, the cleaning device comprises a clamping installation part, and the clamping installation part is rotatably sleeved with a drainage part; the drainage part is rotationally sleeved with a rotary cleaning part, and the end of the rotary cleaning part is fixedly installed on the clamping installation part. A cleaning and wiping part is fixedly mounted in the drainage part; a cleaning spraying part is fixedly mounted at the top of the cleaning wiping part and can be used for assisting detection to guarantee the cleaning quality, the cleaning quality can be visualized, the structure is more reasonable, the flattening effect of the collecting ring can be effectively guaranteed, and the operation power connection quality is guaranteed; the problems that an existing cleaning device for the motor slip ring chamber before cooling liquid injection is inconvenient to achieve auxiliary flushing, the wind power cleaning effect is poor, meanwhile, carbon powder flying is caused, secondary pollution is caused, and meanwhile, leveling cleaning and detection work cannot be conveniently conducted on a collecting ring in an auxiliary mode are solved.

Description

Technical Field

[0001] The invention relates to the technical field of slip ring chamber cleaning, in particular to a cleaning device before coolant is injected into a motor slip ring chamber. Background Art

[0002] The collector ring used in wind turbines, together with the brush holder, constitutes a collector ring brush holder system, which converts current and transmits it to the rotor excitation winding. Long-term rotational friction occurs between the carbon brushes and the collector rings in the collector ring chamber of the wind turbine, which is prone to carbon powder accumulation. Before the actual motor slip ring chamber is injected with coolant, it is necessary to first clean it to avoid subsequent difficulty in disassembly and cleaning. The current cleaning device before coolant injection in the motor slip ring chamber is not convenient for auxiliary flushing, and the wind cleaning effect is not good. At the same time, it causes carbon powder to fly, causing secondary pollution. At the same time, it is not convenient to assist in the leveling cleaning and inspection of the collector ring. The cleaning and leveling quality control of the slip ring is not good, which is easy to cause subsequent problems such as false connection with structures such as carbon brushes. Summary of the invention

[0003] The disclosed embodiment relates to a cleaning device before coolant is injected into the slip ring chamber of a motor. The slip ring detection component can be used for auxiliary detection to ensure the cleaning quality, can make the cleaning quality visual, has a more reasonable structure, can effectively ensure the leveling effect of the collector ring, and ensure the quality of power connection during operation.

[0004] In a first aspect of the present disclosure, a cleaning device before coolant injection into a motor slip ring chamber is provided, which specifically comprises a clamping mounting part, on which a drainage part is rotatably sleeved; a rotating cleaning part is rotatably sleeved on the outside of the drainage part, and the end of the rotating cleaning part is fixedly mounted on the clamping mounting part; a cleaning wiper is fixedly mounted inside the drainage part; a cleaning sprayer is fixedly mounted on the top of the cleaning wiper, and the other end of the cleaning sprayer is mounted on the clamping mounting part; a slip ring detection part is fixedly mounted on the top of the other side of the cleaning wiper, and the slip ring detection part is electrically connected to the clamping mounting part; a splash guard is fixedly mounted on the tail of the drainage part; the clamping mounting part comprises: a clamping mounting ring, a driving rotary motor and a driving meshing gear, on which the driving rotary motor is fixedly sleeved, and a driving meshing gear is welded on the output shaft of the driving rotary motor.

[0005] In at least some embodiments, the drainage component includes: a water suction mounting cylinder and a water suction pump, the end of the water suction mounting cylinder is fixedly mounted on a clamping mounting ring; the interior of the water suction mounting cylinder is a hollow structure; the bottom of the water suction mounting cylinder is connected to the water suction pump through a hose, and the water suction pump is provided with a drainage pipe.

[0006] In at least some embodiments, the clamping mounting component also includes: a clamping mounting frame, a clamping drive threaded rod, a clamping block, a controller and an alarm indicator light, wherein the clamping mounting frame is fixedly welded to the clamping mounting ring; the clamping drive threaded rods are respectively threadedly connected on both sides of the clamping mounting frame, and a handwheel is provided at the end of the clamping drive threaded rod; there are two clamping blocks, and the two clamping blocks are respectively slidably installed inside the clamping mounting frame; "V"-shaped grooves are respectively provided on the inner sides of the two clamping blocks; the two clamping blocks are respectively rotatably installed at the ends of the two clamping drive threaded rods; the controller is fixedly installed on the side of the clamping mounting frame; the alarm indicator light is installed on the side of the clamping mounting frame; and the alarm indicator light is electrically connected to the controller.

[0007] In at least some embodiments, the cleaning spray component includes: a nozzle mounting plate, a nozzle and a water pump, wherein the nozzle mounting plate is fixedly mounted on a support plate; a nozzle is fixedly mounted on the nozzle mounting plate; a water pump is connected to the nozzle head through a pipe; the water pump is fixedly mounted on a clamping mounting frame through a bracket; and the water pump is connected to an external water source.

[0008] In at least some embodiments, the cleaning wipe also includes: sandpaper, a water-absorbent sponge pad and an inflation tube, the sandpaper is fixedly attached to the inflation airbag on the left; the water-absorbent sponge pad is fixedly attached to the inflation airbag on the right; two inflation tubes are provided, and valves are respectively provided on the two inflation tubes; the two inflation tubes are respectively fixedly mounted on the two inflation airbags.

[0009] In at least some embodiments, the rotating cleaning member includes: a cleaning mounting tube, an anti-leakage baffle ring and a driving rotating gear, wherein the cleaning mounting tube is rotatably mounted on the clamping mounting ring; a mesh hole is provided on the cleaning mounting tube; a water-absorbing mounting tube is rotatably mounted on the cleaning mounting tube; the anti-leakage baffle ring is fixedly mounted on one end of the cleaning mounting tube; a driving rotating gear is fixedly welded on the cleaning mounting tube, and the driving rotating gear is meshed with the driving meshing gear.

[0010] In at least some embodiments, the slip ring detection component includes: a slip ring detection mounting frame, a fitted electric push rod and a detection mounting tube, the slip ring detection mounting frame is an "L"-shaped structure; two fitted electric push rods are provided, and the output shafts of the two fitted electric push rods are fixedly mounted on the slip ring detection mounting frame; the two fitted electric push rods are respectively fixedly mounted on the support plate on the right side.

[0011] In at least some embodiments, the cleaning wiper includes: a support plate and an expansion airbag, wherein two support plates are provided and the two support plates are respectively fixedly mounted on the cleaning mounting tube; and expansion airbags are respectively fixedly mounted on the two expansion airbags.

[0012] In at least some embodiments, the splash-proof protective component includes: a splash-proof stop ring, a protective film and a closing elastic band, the splash-proof stop ring has a protective film fixedly installed inside it; the splash-proof stop ring is fixedly installed at the tail of the cleaning installation tube; and the protective film has a closing elastic band sewn on it by needle and thread.

[0013] In at least some embodiments, the slip ring detection component also includes: a detection fitting column, a pressure sensor, a propulsion mounting plate and a fitting spring, wherein the detection fitting column is slidably mounted on the detection mounting tube; the end of the detection fitting column is a spherical structure; the pressure sensor is fixedly mounted at the tail of the detection fitting column; the propulsion mounting plate is slidably mounted on the detection mounting tube; the propulsion mounting plate is attached to the pressure sensor; and the fitting spring.

[0014] The present invention provides a cleaning device before coolant is injected into a motor slip ring chamber, which has the following beneficial effects: In the present invention, by adopting the set rotating cleaning parts in conjunction with the drainage parts, efficient cleaning work can be achieved on the outside of the slip ring assembly, which can effectively ensure the comprehensiveness of cleaning and assist in collecting the sewage generated by cleaning. The drainage parts used in this structure can assist in cooperating with the splash-proof protective parts to prevent the cleaning water from splashing on the motor and causing rust, which can effectively ensure the cleaning effect of the structure.

[0015] In addition, by using the set cleaning spray parts to assist in water spraying and using the cleaning wipers to assist in friction rust prevention, the flatness of the slip ring's collector ring can be effectively improved, thereby ensuring the cleaning quality and the subsequent carbon brush connection quality, avoiding undetected local oxidation that leads to power-on abnormalities, and avoiding the adhesion of impurities such as carbon powder on the collector ring. The cleaning method is dust-free and environmentally friendly, avoiding secondary dust pollution.

[0016] In addition, the slip ring detection parts are used to realize real-time detection of cleaning of the outer surfaces of the three collector rings, ensuring the visualization of the actual surface flatness of the slip ring detection parts, and effectively preventing problems such as poor contact or excessive wear of the actual carbon brushes after assembly due to some potholes on the surface of the collector rings. The installation accuracy of the slip ring chamber can be effectively improved, and auxiliary alarms can be realized after problems are found, thereby ensuring the actual test quality, ensuring the cleaning effect of the collector rings, and avoiding omissions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0018] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0019] In the attached picture: Figure 1 A schematic diagram showing the overall structure of the present application; Figure 2 A schematic diagram showing the bottom structure of the present application; Figure 3 A cross-sectional view showing the internal structure of the present application; Figure 4 A partial cross-sectional view showing the internal structure of the present application; Figure 5 A schematic diagram showing the structure of the clamping mounting member of the present application is shown; Figure 6 A schematic diagram showing the structure of the rotating cleaning member of the present application is shown; Figure 7 A schematic diagram showing the structure of the cleaning wipe of the present application is shown; Figure 8 A schematic diagram showing the structure of the cleaning spraying member of the present application is shown; Fig. 9 A schematic diagram showing the structure of a slip ring detection member of the present application is shown; Fig.10 A cross-sectional view showing the overall structure of the slip ring detection member of the present application; Fig.11 A cross-sectional view of the cleaning wipe structure of the present application is shown.

[0020] Reference numerals list 1. Clamping and mounting parts; 101. Clamping and mounting ring; 102. Driving rotary motor; 103. Driving meshing gear; 104. Clamping and mounting frame; 105. Clamping and driving threaded rod; 106. Clamping block; 107. Controller; 108. Alarm indicator light; 2. Drainage parts; 201. Water suction mounting cylinder; 202. Water suction pump; 3. Rotating cleaning parts; 301. Cleaning mounting cylinder; 302. Anti-leakage baffle ring; 303. Driving rotary gear; 4. Cleaning and wiping parts; 401. Support plate; 402. Inflatable airbag; 4021 , sandpaper; 4022, absorbent sponge pad; 403, inflation tube; 5, cleaning spray parts; 501, nozzle mounting plate; 502, nozzle; 503, water pump; 6, slip ring detection parts; 601, slip ring detection mounting frame; 602, fitting electric push rod; 603, detection mounting cylinder; 6, slip ring detection parts; 604, detection fitting column; 605, pressure sensor; 606, push mounting plate; 607, fitting spring; 7, splash guard; 701, splash stop ring; 702, protective film; 703, closing elastic band. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment 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.

[0022] Example 1: Please refer to Figures 1 to 11 : The present invention proposes a cleaning device before coolant is injected into a motor slip ring chamber, comprising a clamping mounting part 1, on which a drainage part 2 is rotatably sleeved; a rotating cleaning part 3 is rotatably sleeved on the outside of the drainage part 2, and the end of the rotating cleaning part 3 is fixedly mounted on the clamping mounting part 1; a cleaning wiper 4 is fixedly mounted inside the drainage part 2; a cleaning sprayer 5 is fixedly mounted on the top of the cleaning wiper 4, and the other end of the cleaning sprayer 5 is mounted on the clamping mounting part 1; a slip ring detection part 6 is fixedly mounted on the top of the other side of the cleaning wiper 4, and the slip ring detection part 6 is electrically connected to the clamping mounting part 1; a splash guard 7 is fixedly mounted on the tail of the drainage part 2; the clamping mounting part 1 comprises: a clamping mounting ring 101, a driving rotary motor 102 and a driving meshing gear 103, the clamping mounting ring 101 is fixedly sleeved with the driving rotary motor 102, and the driving meshing gear 103 is welded on the output shaft of the driving rotary motor 102.

[0023] In the embodiment of the present disclosure, the clamping mounting member 1 also includes: a clamping mounting frame 104, a clamping drive threaded rod 105, a clamping block 106, a controller 107 and an alarm indicator light 108. The clamping mounting frame 104 is fixedly welded on the clamping mounting ring 101; the clamping drive threaded rod 105 is threadedly connected to both sides of the clamping mounting frame 104, and a hand wheel is provided at the end of the clamping drive threaded rod 105; there are two clamping blocks 106, and the two clamping blocks 106 are respectively slidably mounted inside the clamping mounting frame 104; the inner sides of the two clamping blocks 106 are respectively provided with "V"-shaped grooves; the two clamping blocks 106 are respectively rotatably mounted at the ends of the two clamping drive threaded rods 105 ; The controller 107 is fixedly mounted on the side of the clamping mounting frame 104; the alarm indicator light 108 is mounted on the side of the clamping mounting frame 104; the controller 107 is electrically connected to the alarm indicator light 108; the drainage component 2 includes: a water suction mounting cylinder 201 and a water suction pump 202, the end of the water suction mounting cylinder 201 is fixedly mounted on the clamping mounting ring 101; the interior of the water suction mounting cylinder 201 is a hollow structure; the bottom of the water suction mounting cylinder 201 is connected to the water suction pump 202 through a hose, and the water suction pump 202 is provided with a drainage pipe; the splash protection component 7 includes: a splash stop ring 701, a protective film 702 and a closing elastic band 703, the splash stop ring 701 is fixedly mounted inside There is a protective film 702; the splash-proof stop ring 701 is fixedly installed at the tail of the cleaning installation cylinder 301; a closing elastic band 703 is sewn on the protective film 702 by needle and thread; the rotating cleaning member 3 includes: a cleaning installation cylinder 301, an anti-leakage stop ring 302 and a driving rotary gear 303, the cleaning installation cylinder 301 is rotatably installed on the clamping installation ring 101; a mesh hole is opened on the cleaning installation cylinder 301; the water-absorbing installation cylinder 201 is rotatably mounted on the cleaning installation cylinder 301; the anti-leakage stop ring 302 is fixedly installed at one end of the cleaning installation cylinder 301; a driving rotary gear 303 is fixedly welded on the cleaning installation cylinder 301, and the driving rotary gear 303 is meshed with the driving rotary gear 303. The meshing gear 103 can achieve efficient cleaning work on the outside of the slip ring assembly by adopting the set rotating cleaning member 3 in cooperation with the drainage member 2, which can effectively ensure the comprehensiveness of cleaning and assist in collecting the sewage generated by cleaning. The drainage member 2 adopted in this structure can assist in cooperating with the splash-proof protective member 7 to prevent the cleaning water from splashing on the motor and causing rust, which can effectively ensure the cleaning effect of the structure. The clamping mounting member 1 can be used to achieve rapid clamping and installation on the outside of the slip ring, and the docking is simple and fast. The closing elastic band 703 is sleeved on the end of the slip ring close to the motor, and its elastic structure is used to shrink and fit the slip ring shaft. The protective film 702 also plays a splash-proof role.

[0024] In the embodiment of the present disclosure, the cleaning wiper 4 includes: a support plate 401 and an expansion airbag 402. The support plates 401 are provided with two, and the two support plates 401 are respectively fixedly mounted on the cleaning installation cylinder 301; the two expansion airbags 402 are respectively fixedly mounted with expansion airbags 402; the cleaning wiper 4 also includes: sandpaper 4021, a water-absorbing sponge pad 4022 and an inflation tube 403. The sandpaper 4021 is fixedly attached to the expansion airbag 402 on the left; the water-absorbing sponge pad 40 22 is fixedly attached to the expansion airbag 402 on the right side; there are two inflation tubes 403, and valves are respectively provided on the two inflation tubes 403; the two inflation tubes 403 are respectively fixedly installed on the two expansion airbags 402; the cleaning spraying member 5 includes: a nozzle mounting plate 501, a nozzle 502 and a water pump 503, the nozzle mounting plate 501 is fixedly installed on the support plate 401; the nozzle mounting plate 501 is fixedly installed with the nozzle 502; the nozzle 502 is connected to the water pump 503 The water pump 503 is fixedly mounted on the clamping mounting frame 104 through a bracket; the water pump 503 is connected to an external water source, and the cleaning spraying member 5 is used to assist in water spraying and flushing, and the cleaning wiping member 4 is used to assist in friction rust prevention. At the same time, it can also effectively improve the flatness of the collector ring of the slip ring, thereby ensuring the cleaning quality, ensuring the quality of subsequent carbon brush connection, avoiding abnormal power-on caused by undetected local oxidation, and avoiding the adhesion of impurities such as carbon powder on the collector ring. At the same time, it can be wiped with the assistance of the absorbent sponge pad 4022, which can shorten the drying time of the structure. With the two expansion air bags 402 used in this structure, it can be ensured that the absorbent sponge pad 4022 and the cleaning wiping member 4 are elastically and stably attached to the collector ring to ensure the cleaning quality. By using two inflation tubes 403 to connect the air pump and inflate the valve, the two inflation air bags 402 expand and drive the sandpaper 4021 and the absorbent sponge pad 4022 to fit the collector ring for cleaning, and the cleaning method is dust-free and environmentally friendly.

[0025] Embodiment 2, on the basis of embodiment 1, the slip ring detection component 6 comprises: a slip ring detection mounting frame 601, a fitting electric push rod 602 and a detection mounting tube 603, the slip ring detection mounting frame 601 is an "L"-shaped structure; there are two fitting electric push rods 602, the output shafts of the two fitting electric push rods 602 are fixedly mounted on the slip ring detection mounting frame 601; the two fitting electric push rods 602 are respectively fixedly mounted on the right support plate 401; the slip ring detection component 6 also comprises: a detection fitting column 604, a pressure sensor 605, a push mounting plate 606 and a fitting spring 607, the detection fitting column 604 is slidably mounted on the detection mounting tube 603; the end of the detection fitting column 604 is a spherical structure; the pressure sensor 605 is fixedly mounted on the tail of the detection fitting column 604; the push mounting plate 606 is slidably mounted on the detection mounting tube 603; the push mounting plate 606 is attached to the pressure sensor 605; Fitting spring 607; this structure can realize real-time detection of cleaning the outer surfaces of the three collector rings by adopting the set slip ring detection part 6, ensure the visualization of the actual surface flatness of the slip ring detection part 6, effectively prevent the actual carbon brush from having poor contact or excessive wear after assembly due to some pits on the surface of the collector ring, effectively improve the installation accuracy of the slip ring chamber, and assist in rapid alarm after a problem is found, ensure the actual test quality, ensure the cleaning effect of the collector ring, avoid omissions, the structure is stable, the detection method is mature, and it can effectively detect surface flatness and some adhered dirt. When the cleaning installation cylinder 301 rotates, it will also drive the three detection installation cylinders 603 to rotate around the collector ring. At this time, the detection fitting column 604 is squeezed by the fitting spring 607 to detect the collector ring in real time. The structure is mature and reliable, and the detection is accurate.

[0026] The working principle of this embodiment is as follows: first, the outer shell of the slip ring chamber is disassembled, and the closing elastic band 703 is sleeved on the end of the slip ring close to the motor. The elastic structure is used to shrink and fit the slip ring shaft. The protective film 702 also plays a splash-proof role. The slip ring shaft, that is, the motor shaft, is inserted between the two clamping blocks 106, and the two clamping drive threaded rods 105 are rotated to drive the two clamping blocks 106 to move and clamp the slip ring shaft. At this time, the driving meshing gear 103 set by the driving rotary motor 102 can drive the cleaning installation cylinder 301 to rotate back and forth. Two inflation tubes 403 are connected to the air pump to inflate and then the valve is tightened. The two expansion air bags 402 expand and drive the sandpaper 4021 and the water-absorbing sponge pad 4022 to fit the collector ring. The nozzle 502 is used to absorb water and spray using the water pump 503. , to achieve flushing work, during which the cleaning installation cylinder 301 rotates back and forth, which drives the sandpaper 4021 and the water-absorbing sponge pad 4022 to perform friction and wiping work respectively, and the cleaning water sprayed by the cleaning spray part 5 will leak through the slots of the cleaning installation cylinder 301 to the water-absorbing installation cylinder 201 and be sucked away by the water-absorbing pump 202. When the cleaning installation cylinder 301 rotates, it will also drive the three detection installation cylinders 603 to rotate around the collector ring. At this time, the detection fitting column 604 is pressed by the fitting spring 607 to fit the collector ring for real-time detection. Once some potholes or protrusions appear on the collector ring, the detection fitting column 604 moves forward or backward quickly, and the pressure value sensed by the pressure sensor 605 changes significantly. At this time, the alarm indicator light 108 can be controlled by the controller 107 to perform an alarm prompt.

[0027] In this article, there are a few points to note: 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0028] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0029] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A cleaning device before coolant is injected into a motor slip ring chamber, comprising a clamping mounting member (1), wherein a drainage member (2) is rotatably mounted on the clamping mounting member (1); the device is characterized in that: The drainage member (2) is rotatably sleeved with a rotating cleaning member (3) on the outside, and the end of the rotating cleaning member (3) is fixedly mounted on the clamping mounting member (1); a cleaning wiper (4) is fixedly mounted inside the drainage member (2); a cleaning sprayer (5) is fixedly mounted on the top of the cleaning wiper (4), and the other end of the cleaning sprayer (5) is mounted on the clamping mounting member (1); a slip ring detection member (6) is fixedly mounted on the top of the other side of the cleaning wiper (4), and the slip ring detection member (6) is electrically connected to the clamping mounting member (1); a splash guard (7) is fixedly mounted on the tail of the drainage member (2); the clamping mounting member (1) comprises: a clamping mounting ring (101), a driving rotary motor (102) and a driving meshing gear (103); the driving rotary motor (102) is fixedly sleeved on the clamping mounting ring (101), and the driving meshing gear (103) is welded on the output shaft of the driving rotary motor (102).

2. A cleaning device for a motor slip ring chamber before coolant injection according to claim 1, characterized in that: The clamping mounting member (1) further comprises: a clamping mounting frame (104), a clamping drive threaded rod (105), a clamping block (106), a controller (107) and an alarm indicator light (108); the clamping mounting frame (104) is fixedly welded to the clamping mounting ring (101); the clamping drive threaded rod (105) is threadedly connected to two sides of the clamping mounting frame (104), and a hand wheel is provided at the end of the clamping drive threaded rod (105); the clamping block (106) is provided with two clamping The holding blocks (106) are respectively slidably mounted inside the clamping mounting frame (104); a "V"-shaped groove is respectively opened on the inner side of the two clamping blocks (106); the two clamping blocks (106) are respectively rotatably mounted on the ends of the two clamping drive threaded rods (105); the controller (107) is fixedly mounted on the side of the clamping mounting frame (104); the alarm indicator light (108) is mounted on the side of the clamping mounting frame (104); and the controller (107) is electrically connected to the alarm indicator light (108).

3. The cleaning device before the coolant is injected into the motor slip ring chamber according to claim 1, characterized in that: The drainage component (2) comprises: a water suction installation cylinder (201) and a water suction pump (202); the end of the water suction installation cylinder (201) is fixedly mounted on the clamping installation ring (101); the interior of the water suction installation cylinder (201) is a hollow structure; the bottom of the water suction installation cylinder (201) is connected to the water suction pump (202) via a hose, and the water suction pump (202) is provided with a drainage pipe.

4. The cleaning device before the coolant is injected into the motor slip ring chamber according to claim 3, characterized in that: The rotating cleaning member (3) comprises: a cleaning installation cylinder (301), an anti-leakage baffle ring (302) and a driving rotary gear (303); the cleaning installation cylinder (301) is rotatably mounted on the clamping installation ring (101); a mesh hole is provided on the cleaning installation cylinder (301); a water-absorbing installation cylinder (201) is rotatably mounted on the cleaning installation cylinder (301); the anti-leakage baffle ring (302) is fixedly mounted on one end of the cleaning installation cylinder (301); a driving rotary gear (303) is fixedly welded on the cleaning installation cylinder (301), and the driving rotary gear (303) is meshed with the driving meshing gear (103).

5. The cleaning device before coolant injection into the motor slip ring chamber according to claim 4, characterized in that: The cleaning wiper (4) comprises: a support plate (401) and an expansion airbag (402); two support plates (401) are provided, and the two support plates (401) are respectively fixedly mounted on the cleaning mounting cylinder (301); and the two expansion airbags (402) are respectively fixedly mounted with expansion airbags (402).

6. The cleaning device before coolant injection into the motor slip ring chamber according to claim 5, characterized in that: The cleaning wiper (4) further comprises: sandpaper (4021), a water-absorbing sponge pad (4022) and an inflation tube (403); the sandpaper (4021) is fixedly attached to the expansion airbag (402) on the left; the water-absorbing sponge pad (4022) is fixedly attached to the expansion airbag (402) on the right; two inflation tubes (403) are provided, and valves are respectively provided on the two inflation tubes (403); the two inflation tubes (403) are respectively fixedly mounted on the two expansion airbags (402).

7. The cleaning device before coolant injection into the motor slip ring chamber according to claim 5, characterized in that: The cleaning spray component (5) comprises: a nozzle mounting plate (501), a nozzle (502) and a water pump (503); the nozzle mounting plate (501) is fixedly mounted on a support plate (401); the nozzle (502) is fixedly mounted on the nozzle mounting plate (501); the nozzle (502) is connected to a water pump (503) via a pipe on the nozzle (502); the water pump (503) is fixedly mounted on a clamping mounting frame (104) via a bracket; and the water pump (503) is connected to an external water source.

8. The cleaning device before coolant injection into the motor slip ring chamber according to claim 5, characterized in that: The slip ring detection component (6) comprises: a slip ring detection mounting frame (601), a fitted electric push rod (602) and a detection mounting cylinder (603); the slip ring detection mounting frame (601) is an "L"-shaped structure; two fitted electric push rods (602) are provided, and the output shafts of the two fitted electric push rods (602) are fixedly mounted on the slip ring detection mounting frame (601); the two fitted electric push rods (602) are respectively fixedly mounted on the right support plate (401).

9. The cleaning device before coolant injection into the motor slip ring chamber according to claim 8, characterized in that: The slip ring detection component (6) further comprises: a detection fitting column (604), a pressure sensor (605), a propulsion mounting plate (606) and a fitting spring (607), wherein the detection fitting column (604) is slidably mounted on the detection mounting tube (603); the end of the detection fitting column (604) is a spherical structure; the pressure sensor (605) is fixedly mounted on the tail of the detection fitting column (604); the propulsion mounting plate (606) is slidably mounted on the detection mounting tube (603); the propulsion mounting plate (606) is attached to the pressure sensor (605); and the fitting spring (607).

10. The cleaning device before coolant injection into the motor slip ring chamber according to claim 4, characterized in that: The splash-proof protective member (7) comprises: a splash-proof stop ring (701), a protective film (702) and a closing elastic band (703); the splash-proof stop ring (701) has a protective film (702) fixedly installed inside; the splash-proof stop ring (701) is fixedly installed at the rear of the cleaning installation cylinder (301); and the protective film (702) is sewn with a closing elastic band (703) by needle and thread.

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