CN114289362B

CN114289362B - Motor housing's inside and outside wall cleaning device

Info

Publication number: CN114289362B
Application number: CN202210004280.8A
Authority: CN
Inventors: 蒋运明; 王勇; 张兵
Original assignee: Chongqing Kecen Motor Manufacturing Co ltd
Current assignee: Chongqing Kecen Motor Manufacturing Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2023-06-20
Anticipated expiration: 2042-01-05
Also published as: CN114289362A

Abstract

The invention discloses an inner and outer wall cleaning device of a motor shell, which comprises a moving trolley moving along an annular track, wherein an inner wall cleaning unit capable of cleaning the inner wall of the motor shell is arranged in the motor shell, the inner wall cleaning unit is rotatably arranged below the moving trolley, an outer wall cleaning unit capable of cleaning the outer wall of the motor shell is arranged outside the motor shell, the outer wall cleaning unit is rotatably arranged below the moving trolley, a power unit drives the inner wall cleaning unit to rotate and the outer wall cleaning unit to rotate, a first cleaning felt is arranged on the telescopic end of a first telescopic unit, and a second cleaning felt is arranged on the telescopic end of a second telescopic unit. This application cleans motor housing inner wall through the clean unit of inner wall, rotates motor housing outer wall through the clean unit of outer wall and cleans, and the flexible of the clean felt of the steerable first clean felt of first flexible unit and second and the clean felt of second realizes carrying out inner wall or outer wall or the cleanness of inner and outer wall to motor housing.

Description

Motor housing's inside and outside wall cleaning device

Technical Field

The invention relates to the field of motor shell cleaning, in particular to an inner and outer wall cleaning device of a motor shell.

Background

With the progress of society, the motor is widely used in each field in production life, and when the motor is used for a certain time, the motor is old and can cause the fault rate to rise, because the damage of its internal part leads to the motor to need to reprocess, and the motor need to clean the inside and outside wall of motor housing when reprocessing. The current motor housing cleaning device cleans the inner wall and the outer wall of the motor housing through fixed felts, and can not realize the simultaneous cleaning of the inner wall and the outer wall of the motor housing, and when only the inner wall or the outer wall of the motor housing is required to be cleaned, the device for simultaneously cleaning the inner wall and the outer wall of the motor housing can not meet the use situation, so that the clean application scene is limited.

Disclosure of Invention

The invention aims to provide an inner and outer wall cleaning device of a motor shell, which is used for cleaning the inner and outer walls of the motor shell.

The technical scheme includes that the device comprises an annular track and a moving trolley moving along the annular track, a supporting unit for supporting a motor shell is arranged below the moving trolley, the axis of the motor shell on the supporting unit is perpendicular to the bottom end face of the moving trolley, an inner wall cleaning unit capable of cleaning the inner wall of the motor shell is arranged in the motor shell, the inner wall cleaning unit is rotatably arranged below the moving trolley, an outer wall cleaning unit capable of cleaning the outer wall of the motor shell is arranged outside the motor shell, the outer wall cleaning unit is rotatably arranged below the moving trolley, the power unit drives the inner wall cleaning unit to rotate and the outer wall cleaning unit to rotate, and the power unit is arranged on the moving unit;

The inner wall cleaning unit comprises a first cleaning felt, the first cleaning felt is arranged at the telescopic end of the first telescopic unit, the first cleaning felt can correspond to the inner wall of the motor shell, and the first telescopic unit is arranged on the inner wall cleaning unit;

the outer wall cleaning unit comprises a second cleaning felt, the second cleaning felt is arranged at the telescopic end of the second telescopic unit, the second cleaning felt can correspond to the outer wall of the motor shell, the second telescopic unit is arranged on the outer wall cleaning unit, and the telescopic directions of the first telescopic unit and the second telescopic unit are all along the diameter direction of the motor shell.

Preferably, the supporting unit comprises a rotating plate, a hollow tube, a rotating shaft, a first sleeve, a first annular cavity, an annular piston, a first electric telescopic rod and a sealing cavity;

the hollow pipe is positioned below the mobile trolley, the axis of the hollow pipe is coincident with the axis of the motor shell, the coaxial rotation of the opening at the upper part of the hollow pipe is connected with a rotating plate, the rotating plate is arranged below the mobile trolley, the lower end surface of the mobile trolley is rotatably provided with a rotating shaft, the rotating shaft can rotate and lift and penetrates through the upper end surface and the lower end surface of the rotating plate and extends to the lower end surface of the motor shell, and the axis of the rotating shaft is coincident with the axis of the motor shell;

The rotary shaft in the hollow tube is sleeved with a first sleeve, the lower end face of the first sleeve extends downwards and extends out of the lower end face of the motor shell, the upper end face of the first sleeve is rotatably arranged on the lower end face of the rotary plate, a first annular cavity is formed in the first sleeve, an annular piston is arranged in the first annular cavity in a vertically sliding mode, the sliding direction of the annular piston is parallel to the axis direction of the first sleeve, a first electric telescopic rod is arranged in the first annular cavity above the annular piston, and the telescopic end of the first electric telescopic rod is connected with the annular piston;

a plurality of first telescopic assemblies are arranged on the motor shell extension section of the first sleeve, and the first telescopic assemblies are circularly arrayed along the axis of the first sleeve;

the first telescopic components comprise a first piston cylinder, a first piston rod, a first through hole, a supporting block and a roller;

the first piston cylinder is arranged on the motor shell extending section of the first sleeve along the diameter direction of the first sleeve, a first piston rod is arranged in the first piston cylinder in a sliding mode, one end, far away from the first sleeve, of the first piston rod is slidably extended out of the first piston cylinder and is connected with a supporting block, the upper end face of the supporting block is attached to the lower end face of the motor shell, the upper end face of the supporting block is further rotatably provided with a roller, the axis of the roller is parallel to the axis of the first sleeve, the roller corresponds to the inner wall of the motor shell, a first through hole is formed between the first piston cylinder and the first annular cavity, and the first through hole is communicated with the first piston cylinder and the first annular cavity;

The first annular cavity, the plurality of first piston cylinders and the plurality of first through holes are communicated to form a sealed cavity, and hydraulic transmission oil is arranged in the sealed cavity.

Preferably, the inner wall cleaning unit comprises a second sleeve, a second annular cavity, a first annular hole, a first annular plate, a first water tank, a first water pipe and a second through hole;

the second sleeve is rotatably sleeved outside the first sleeve and can be lifted up and down, a second annular cavity is formed in the second sleeve, a first annular hole which is communicated with the second annular cavity and the external space is formed in the outer wall of the second sleeve, a first annular plate is rotatably sleeved on the second sleeve, the axis of the first annular plate is coincident with the axis of the second sleeve, and the first annular plate corresponds to the first annular hole;

the movable trolley is further provided with a first water tank, one end of a first water pipe is communicated with the first water tank, the other end of the first water pipe penetrates through the upper end face and the lower end face of the rotating plate and is connected with the first annular plate, and the first water pipe penetrates through the inner side wall and the outer side wall of the first annular plate and is communicated with the second annular cavity;

the outer wall of the second sleeve is provided with a plurality of second through holes, and the second through holes are communicated with the second annular cavity and the external space;

The second sleeve outer wall is provided with a plurality of inner wall cleaning assemblies along the circular array of the axis of the second sleeve, and the inner wall cleaning assemblies are all provided with first cleaning felts.

Preferably, the inner wall cleaning components comprise a plurality of cleaning components;

the cleaning assemblies are arranged outside the second sleeve in an array manner along the axis direction of the second sleeve;

the cleaning assembly comprises a second piston cylinder, a second piston rod, a mounting block, a sliding chute, a first spring, an L-shaped connecting column and a ball;

the second piston cylinder is arranged on the outer wall of the second sleeve along the diameter direction of the second sleeve, a second piston rod is slidably arranged in the second piston cylinder, one end, away from the second sleeve, of the second piston rod slidably extends out of the second piston cylinder and is hinged with a sliding block, the rotation axis of the sliding block is perpendicular to the axis of the second sleeve, the sliding block is slidably arranged in a sliding groove, the guiding direction of the sliding groove is parallel to the axis of the second sleeve, the sliding groove is formed in the side wall of the mounting block, a first spring is arranged in the sliding groove below the sliding block and is connected with the sliding groove, a first cleaning felt is arranged on the side wall, close to the motor shell, of the mounting block, and the first cleaning felt corresponds to the inner wall of the motor shell;

The mounting blocks which are adjacent up and down are connected through a conformal submodule;

an L-shaped connecting column is arranged on the side wall of the mounting block, the axis of a transverse column of the L-shaped connecting column is parallel to the axis of the second piston cylinder, a ball is arranged on the end face, close to the motor shell, of the transverse column of the L-shaped connecting column in a rolling manner, the ball can be attached to the inner wall of the motor shell, and a longitudinal column of the L-shaped connecting column is connected with the mounting block;

the telescopic power output end of the first telescopic unit drives the second piston rod to slide and stretch;

when the ball is attached to the inner wall of the motor shell, the first cleaning felt corresponds to the inner wall of the motor shell.

Preferably, the telescopic submodule comprises a first groove, a limiting slide bar and a second spring;

the first groove is formed in one mounting block, a limiting slide rod is arranged in the first groove in a sliding mode, the sliding direction of the limiting slide rod is parallel to the axis of the second sleeve, the limiting slide rod extends out of the first groove and is hinged to the other mounting block through a hinge, the rotation axis of the hinge is parallel to the rotation axis of the slide block, a second spring is arranged in the first groove, and the second spring is connected with the first groove and the limiting slide rod.

Preferably, the device further comprises a closing unit capable of opening and closing the lower opening of the hollow tube, wherein the closing unit comprises a first closing circular plate, a second closing circular plate, a non-slip protrusion, a first limiting block, a first limiting groove, a conical boss, a first filtering hole, a second groove, a second limiting groove, a third limiting groove, a second limiting block, a third groove, a top block, a third through hole and a push rod;

the axis of the first closing circular plate is coincident with the axis of the second closing circular plate, the first closing circular plate is rotatably arranged on the lower end face of the second closing circular plate, the rotation axis of the first closing circular plate is coincident with the axis of the second closing circular plate, the upper end face of the first closing circular plate is coincident with the lower end face of the second closing circular plate, the outer wall of the second closing circular plate can be coincident with the inner wall of the hollow pipe, a plurality of anti-slip protrusions are arranged on the outer wall of the first closing circular plate, and the anti-slip protrusions can be in contact with the inner wall of the hollow pipe;

the upper end face of the first closing circular plate is provided with a first limiting block, the lower end face of the second closing circular plate is provided with a first limiting groove, the first limiting block is positioned in the first limiting groove, and the length of the first limiting groove along the outer circle direction of the second closing circular plate is larger than the length of the first limiting block along the outer circle direction of the second closing circular plate;

The upper end face of the second closing circular plate is provided with a conical boss, the diameter of the upper end face of the conical boss is smaller than the inner diameter of the lower end opening of the motor shell, the diameter of the lower end face of the conical boss is larger than the inner diameter of the lower end opening of the motor shell, and the conical inclined face of the conical boss can correspond to the lower end face of the motor shell;

the first closing circular plate capable of closing the second closing circular plate is provided with a plurality of second filtering holes penetrating through the upper end face and the lower end face of the second closing circular plate, and the first filtering holes can be communicated with the second filtering holes;

the conical boss upper end face is provided with a second groove, the second groove corresponds to the lower end face of the rotating shaft, the conical boss upper end face is also provided with a second limit groove, the side wall of the second limit groove is communicated with the side wall of the second groove, the lower end face of the rotating shaft extends out of the lower end face of the first sleeve and is provided with a second limit block, the second limit block can extend into the second limit groove, the side wall of the second groove is provided with a third limit groove, the bottom end face of the third limit groove is flush with the bottom end face of the second limit groove, the third limit groove is communicated with the second limit groove, the third limit groove is positioned in front of the second limit groove along the rotating direction of the rotating shaft, and the third limit groove corresponds to the second limit block;

When the first closing circular plate closes the second filtering hole of the second closing circular plate, the side wall of the front part of the first limiting groove along the rotating direction of the rotating shaft is attached to the side wall of the first limiting block;

a plurality of third grooves are formed on the conical inclined surface of the conical boss, jacking blocks are arranged in the third grooves in a sliding mode, the sliding direction of the jacking blocks is parallel to the axis of the second sleeve, the upper end faces of the jacking blocks can be attached to the lower end face of the motor shell, the third through holes penetrating through the bottom end face of the third groove and the bottom end face of the second closing circular plate are formed in the bottom end face of the third groove, push rods are arranged on the bottom end faces of the top blocks, and the end faces, far away from the top blocks, of the push rods extend downwards to penetrate through the third through holes and extend out of the lower end faces of the first closing circular plates.

Preferably, the outer wall cleaning unit comprises a third annular cavity, a second annular hole, a second annular plate, a second water tank and a second water pipe;

a third annular cavity is formed in the side wall of the hollow pipe, a second annular hole is formed in the upper end face of the third annular cavity, the axis of the second annular hole coincides with the axis of the hollow pipe, a second annular plate corresponding to the second annular hole is rotatably arranged on the side wall of the second annular hole, and the rotation axis of the second annular plate coincides with the axis of the hollow pipe;

The movable trolley is also provided with a second water tank, one end of a second water pipe is communicated with the second water tank, and the other end of the second water pipe penetrates through the upper end face and the lower end face of the second annular plate and is communicated with the third annular cavity;

the inner wall of the hollow pipe is provided with a plurality of liquid spraying cleaning assemblies in a sliding mode up and down, and the plurality of liquid spraying cleaning assemblies are circularly arrayed along the axis of the hollow pipe;

the liquid spraying cleaning assembly comprises a sliding plate, a mounting plate, a fourth groove, a fifth groove, a third piston rod, a fourth through hole and a fifth through hole;

the mounting plate is arranged between the inner wall of the hollow tube and the motor shell, the mounting plate is arranged on the inner wall of the hollow tube in a sliding manner along the axial direction of the hollow tube, a plurality of fourth through holes are formed in the side wall of the hollow tube between the mounting plate and the third annular cavity, the fourth through holes are arranged in an array manner along the sliding direction of the mounting plate, a fourth groove is formed in the side wall, close to the motor shell, of the mounting plate, a sliding plate is arranged in the fourth groove in a sliding manner, the sliding direction of the sliding plate is in the diameter direction of the hollow tube, a second cleaning felt is arranged on the side wall, close to the motor shell, of the sliding plate, a fifth groove is formed in the side wall of the fourth groove, a third piston rod is arranged in the fifth groove in a sliding manner, the third piston rod extends out of the fifth groove and is connected with the sliding plate, the sliding direction of the fifth groove is parallel to the sliding direction of the sliding plate, and the telescopic power output end of the second telescopic unit drives the third piston rod to slide and telescopic.

A fifth through hole penetrating through the left and right side walls of the mounting plate is formed in the mounting plate, one end of the fifth through hole corresponds to the outer wall of the motor shell, the other end of the fifth through hole can be communicated with a fourth through hole, and the mounting plate can close the fourth through hole;

the height difference between the uppermost fifth through hole and the lowermost fifth through hole is a, the height difference between the upper end surface of the motor housing and the lower end surface of the motor housing is b, and a < b;

the horizontal height of the fourth through hole at the lowest part is smaller than or equal to the horizontal height of the upper end surface of the supporting block;

the outer wall cleaning unit further comprises a fixing block arranged on the upper end face of the second closing circular plate, the fixing block is located behind the mounting plate along the rotation direction of the rotating shaft, a third limiting block is arranged on the side wall, close to the mounting plate, of the fixing block, the third limiting block corresponds to a fourth limiting groove, and the fourth limiting groove is formed in the side wall of the mounting plate.

Preferably, the power unit comprises a motor, a second electric telescopic rod and a third spring;

the second electric telescopic rod is arranged below the mobile trolley, a supporting plate is arranged on the telescopic end of the second electric telescopic rod, the telescopic direction of the second electric telescopic rod is parallel to the axis of the hollow tube, a motor is arranged on the lower end face of the supporting plate, a rotating shaft is arranged on the output shaft of the motor, a third spring is sleeved on a first sleeve above the second sleeve, one end of the third spring is attached to the upper end face of the second sleeve, and the other end of the third spring is connected with the lower end face of the rotating plate;

The power unit further comprises a plurality of transmission components which are circularly arrayed along the axis of the hollow pipe, and each transmission component comprises a mounting rod, a sixth annular cavity, a steel wire, a sixth through hole and a seventh through hole;

the installation rod is arranged on the inner wall of the hollow pipe above the installation plate, a sixth annular cavity is formed in the installation rod, the axis of the installation rod is tangential to the circular section of the hollow pipe, a sixth through hole and a seventh through hole are formed in the outer wall of the installation rod, and the sixth through hole and the seventh through hole penetrate through the sixth annular cavity and the outer wall of the installation rod;

and a steel wire is arranged in the sixth annular cavity, one end of the steel wire penetrates out of the sixth through hole and is connected to the mounting plate, and the other end of the steel wire penetrates out of the seventh through hole and is connected to the upper end face of the second sleeve.

Preferably, the first telescopic unit comprises a first connecting pipe, a fourth annular plate, a third annular plate, an annular groove, a fourth annular cavity, a fifth annular cavity, a column body, a cavity, a piston, a third electric telescopic rod, a second connecting pipe and a first electromagnetic valve;

the lower end face of the rotating plate is coaxially provided with an annular groove, the side wall of the annular groove is rotatably provided with a fourth annular plate for closing the annular groove, a third annular plate is arranged in the annular groove and divides the annular groove into a fourth annular cavity and a fifth annular cavity, and the lower end face of the third annular plate is attached to the upper end face of the fourth annular plate; one end of the first connecting pipe is connected between a second piston rod and a second sleeve on the second piston cylinder and is communicated with the interior of the second piston cylinder, and the other end of the first connecting pipe penetrates through the upper end face and the lower end face of the fourth annular plate and is communicated with the fourth annular cavity; the lower end face of the movable trolley is provided with a cylinder, a cavity is formed in the cylinder, a piston is slidably arranged in the cavity, hydraulic transmission oil is arranged in the cavity below the piston, a third electric telescopic rod is arranged in the cavity above the piston, and the telescopic end of the third electric telescopic rod is connected with the piston; the cylinder below the piston is connected with a second connecting pipe, one end of the second connecting pipe is communicated with the cavity, the other end of the second connecting pipe is communicated with the fourth annular cavity, and a first electromagnetic valve is arranged on the second connecting pipe.

Preferably, the second telescopic unit comprises a third connecting pipe, a fourth connecting pipe and a second electromagnetic valve;

one end of the third connecting pipe is connected to the mounting plate and communicated with the fifth groove, and the other end of the third connecting pipe penetrates through the upper end face and the lower end face of the second annular plate and is communicated with the fifth annular cavity;

the cylinder below the piston is connected with a fourth connecting pipe, one end of the fourth connecting pipe is communicated with the cavity, the other end of the fourth connecting pipe is communicated with the fifth annular cavity, and a second electromagnetic valve is arranged on the fourth connecting pipe.

After adopting the structure, compared with the prior art, the invention has the following advantages:

1. according to the motor shell cleaning device, the first telescopic unit and the second telescopic unit are arranged, the sliding plate and the mounting block can be driven to move forwards and backwards, so that the contact between the first cleaning felt or the second cleaning felt and the motor shell is controlled, and the cleaning of the motor shell is controlled;

2. according to the motor shell cleaning device, the mounting plate which slides up and down is arranged, and the third limiting block and the fourth limiting groove are used for driving the second cleaning felt to lift when the mounting plate lifts, so that the outer wall of the motor shell is cleaned up and down, and the cleaning efficiency of the motor shell is improved;

3. According to the motor, the first closing circular plate and the second closing circular plate are arranged, the lower opening of the hollow tube can be closed, and when the first filtering hole of the second closing circular plate is in a closed state, a cleaning agent can be injected into the hollow tube to soak the motor shell, so that the cleaning of stubborn stains is realized;

4. this application sets up spacing slide bar through rotating between the installation piece, when the inner wall to motor housing is clean, can guarantee that there is the clean dynamics of the inner wall everywhere of pothole the same to guarantee the clean quality of inner wall.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.

Drawings

The drawings of the present invention are described below.

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of the invention at A;

FIG. 3 is a right side view of the present invention;

FIG. 4 is a cross-sectional view at B-B of the present invention;

FIG. 5 is an enlarged view of a portion of the present invention at C;

FIG. 6 is a partial enlarged view at D of the present invention;

FIG. 7 is an enlarged view of a portion of the invention at E;

fig. 8 is a structural sectional view of the opening and closing unit of the present invention;

FIG. 9 is a schematic view of the construction of the mounting bar of the present invention;

FIG. 10 is a schematic view of the structure of the hollow tube, mounting plate, fourth through hole and fifth through hole of the present invention;

FIG. 11 is a schematic view of the structure of the mounting plate, second cleaning felt of the present invention;

fig. 12 is a schematic structural view of the inner wall cleaning unit of the present invention.

In the figure: 1. an endless track; 2. a moving trolley; 3. a motor housing; 4. a first cleaning felt; 5. a second cleaning felt; 6. a rotating plate; 7. a hollow tube; 8. a rotating shaft; 9. a first sleeve; 10. a first annular cavity; 11. an annular piston; 12. a first electric telescopic rod; 13. sealing the cavity; 14. a first piston cylinder; 15. a first piston rod; 16. a first through hole; 17. a support block; 18. a roller; 19. a second sleeve; 20. a second annular cavity; 21. a first annular aperture; 22. a first annular plate; 23. a first water tank; 24. a first water pipe; 25. a second through hole; 26. a second piston cylinder; 27. a second piston rod; 28. a mounting block; 29. a slide block; 30. a chute; 31. a first spring; l-shaped connection posts; 33. a ball; 34. a first groove; 35. a limit slide bar; 36. a second spring; 37. a first closing circular plate; 38. a second closing circular plate; 39. a slip preventing protrusion; 40. a first limiting block; 41. a first limit groove; 42. a conical boss; 43. a first filter aperture; 44. a second filter aperture; 45. a second groove; 46. the second limit groove; 47. a third limit groove; 48. a second limiting block; 49. a third groove; 50. a top block; 51. a third through hole; 52. a push rod; 53. a third annular chamber; 54. a second annular aperture; 55. a second annular plate; 56. a second water tank; 57. a second water pipe; 58. a sliding plate; 59. a mounting plate; 60. a fourth groove; 61. a fifth groove; 62. a third piston rod; 63. a fourth through hole; 64. a fifth through hole; 65. a motor; 66. a second electric telescopic rod; 67. a third spring; 68. a mounting rod; 69. a sixth annular chamber; 70. a steel wire; 71. a sixth through hole; 72. a seventh through hole; 73. a first connection pipe; 74. a fourth annular plate; 75. a third annular plate; 76. an annular groove; 77. a fourth annular chamber; 78. a fifth annular chamber; 79. a column; 80. a chamber; 81. a piston; 82. a third electric telescopic rod; 83. a second connection pipe; 84. a first electromagnetic valve; 85. a third connection pipe; 86. a fourth connection pipe; 87. a second electromagnetic valve; 88. a support plate; 89. a fixed block; 90. a third limiting block; 91. and a fourth limit groove.

Detailed Description

The invention is further described below with reference to the drawings and examples.

As shown in fig. 1 to 12, an inner and outer wall cleaning device of a motor housing comprises an annular track 1 and a moving trolley 2 moving along the annular track 1, wherein a supporting unit for supporting the motor housing 3 is arranged below the moving trolley 2, the axis of the motor housing 3 on the supporting unit is vertical to the bottom end surface of the moving trolley 2, an inner wall cleaning unit capable of cleaning the inner wall of the motor housing 3 is arranged in the motor housing 3, the inner wall cleaning unit is rotatably arranged below the moving trolley 2, an outer wall cleaning unit capable of cleaning the outer wall of the motor housing 3 is arranged outside the motor housing 3, the outer wall cleaning unit is rotatably arranged below the moving trolley 2, the power unit drives the inner wall cleaning unit to rotate and the outer wall cleaning unit to rotate, and the power unit is arranged on the moving unit;

the inner wall cleaning unit comprises a first cleaning felt 4, the first cleaning felt 4 is arranged on the telescopic end of a first telescopic unit, the first cleaning felt 4 can correspond to the inner wall of the motor shell 3, and the first telescopic unit is arranged on the inner wall cleaning unit;

the outer wall cleaning unit comprises a second cleaning felt 5, the second cleaning felt 5 is arranged at the telescopic end of the second telescopic unit, the second cleaning felt 5 can correspond to the outer wall of the motor housing 3, the second telescopic unit is arranged on the outer wall cleaning unit, and the telescopic directions of the first telescopic unit and the second telescopic unit are all along the diameter direction of the motor housing 3.

The supporting unit comprises a rotating plate 6, a hollow tube 7, a rotating shaft 8, a first sleeve 9, a first annular cavity 10, an annular piston 11, a first electric telescopic rod 12 and a sealing cavity 13;

the hollow tube 7 is positioned below the mobile trolley 2, the axis of the hollow tube 7 coincides with the axis of the motor housing 3, the rotation of the upper opening of the hollow tube 7 is coaxially connected with the rotating plate 6, the rotating plate 6 is arranged below the mobile trolley 2, the lower end surface of the mobile trolley 2 is rotatably provided with the rotating shaft 8, the rotating shaft 8 rotatably and liftably penetrates through the upper end surface and the lower end surface of the rotating plate 6 and extends to the lower end surface of the motor housing 3, and the axis of the rotating shaft 8 coincides with the axis of the motor housing 3;

the rotary shaft 8 in the hollow tube 7 is sleeved with a first sleeve 9 in an outer sleeve manner, the lower end face of the first sleeve 9 extends downwards and extends out of the lower end face of the motor shell 3, the upper end face of the first sleeve 9 is rotatably arranged on the lower end face of the rotary plate 6, a first annular cavity 10 is formed in the first sleeve 9, an annular piston 11 is arranged in the first annular cavity 10 in a vertically sliding manner, the sliding direction of the annular piston 11 is parallel to the axial direction of the first sleeve 9, a first electric telescopic rod 12 is arranged in the first annular cavity 10 above the annular piston 11, and the telescopic end of the first electric telescopic rod 12 is connected with the annular piston 11;

A plurality of first telescopic assemblies are arranged on the extending section of the motor shell 3 of the first sleeve 9, and the first telescopic assemblies are circularly arrayed along the axis of the first sleeve 9;

the first telescopic components comprise a first piston cylinder 14, a first piston rod 15, a first through hole 16, a supporting block 17 and a roller 18;

the first piston cylinder 14 is arranged on the extending section of the motor housing 3 of the first sleeve 9 along the diameter direction of the first sleeve 9, a first piston rod 15 is arranged in the first piston cylinder 14 in a sliding manner, one end of the first piston rod 15, which is far away from the first sleeve 9, extends out of the first piston cylinder 14 in a sliding manner and is connected with a supporting block 17, the upper end surface of the supporting block 17 is attached to the lower end surface of the motor housing 3, a roller 18 is also rotationally arranged on the upper end surface of the supporting block 17, the axis of the roller 18 is parallel to the axis of the first sleeve 9, the roller 18 corresponds to the inner wall of the motor housing 3, a first through hole 16 is formed between the first piston cylinder 14 and the first annular cavity 10, and the first through hole 16 is communicated with the first piston cylinder 14 and the first annular cavity 10;

the first annular cavity 10, the plurality of first piston cylinders 14 and the plurality of first through holes 16 are communicated to form a sealed cavity 13, and hydraulic transmission oil is arranged in the sealed cavity 13.

The inner wall cleaning unit comprises a second sleeve 19, a second annular cavity 20, a first annular hole 21, a first annular plate 22, a first water tank 23, a first water pipe 24 and a second through hole 25;

the second sleeve 19 is rotatably sleeved outside the first sleeve 9 and can be lifted up and down, a second annular cavity 20 is formed in the second sleeve 19, a first annular hole 21 for communicating the second annular cavity 20 with an external space is formed in the outer wall of the second sleeve 19, a first annular plate 22 is rotatably sleeved on the second sleeve 19, the axis of the first annular plate 22 coincides with the axis of the second sleeve 19, and the first annular plate 22 corresponds to the first annular hole 21;

the movable trolley 2 is further provided with a first water tank 23, one end of a first water pipe 24 is communicated with the first water tank 23, the other end of the first water pipe 24 penetrates through the upper end face and the lower end face of the rotating plate 6 and is connected with the first annular plate 22, and the first water pipe 24 penetrates through the inner side wall and the outer side wall of the first annular plate 22 and is communicated with the second annular cavity 20;

the outer wall of the second sleeve 19 is provided with a plurality of second through holes 25, and the second through holes 25 are communicated with the second annular cavity 20 and the external space;

the outer wall of the second sleeve 19 is provided with a plurality of inner wall cleaning assemblies along the circular array of the axis of the second sleeve 19, and the inner wall cleaning assemblies are all provided with first cleaning felts 4.

The inner wall cleaning components comprise a plurality of cleaning components;

a plurality of cleaning assemblies are arranged outside the second sleeve 19 along the axial direction array of the second sleeve 19;

the cleaning assembly comprises a second piston cylinder 26, a second piston rod 27, a mounting block 28, a sliding block 29, a sliding chute 30, a first spring 31, an L-shaped connecting column 32 and a ball 33;

the second piston cylinder 26 is arranged on the outer wall of the second sleeve 19 along the diameter direction of the second sleeve 19, a second piston rod 27 is arranged in the second piston cylinder 26 in a sliding manner, one end of the second piston rod 27, far away from the second sleeve 19, slidably extends out of the second piston cylinder 26 and is hinged with a sliding block 29, the rotation axis of the sliding block 29 is perpendicular to the axis of the second sleeve 19, the sliding block 29 is arranged in a sliding groove 30 in a sliding manner, the guiding direction of the sliding groove 30 is parallel to the axis of the second sleeve 19, the sliding groove 30 is formed in the side wall of a mounting block 28, a first spring 31 is arranged in the sliding groove 30 below the sliding block 29, the first spring 31 is connected with the sliding groove 30, a first cleaning felt is arranged on the side wall, close to the motor housing 3, of the mounting block 28, and the first cleaning felt corresponds to the inner wall of the motor housing 3;

The mounting blocks 28 adjacent to each other up and down are connected through a conformal submodule;

an L-shaped connecting column 32 is arranged on the side wall of the mounting block 28, the axis of a transverse column of the L-shaped connecting column 32 is parallel to the axis of the second piston cylinder 26, a ball 33 is arranged on the end face, close to the motor housing 3, of the transverse column of the L-shaped connecting column 32 in a rolling manner, the ball 33 can be attached to the inner wall of the motor housing 3, and a longitudinal column of the L-shaped connecting column 32 is connected with the mounting block 28;

the telescopic power output end of the first telescopic unit drives the second piston rod 27 to slide and stretch;

when the balls 33 are attached to the inner wall of the motor housing 3, the first cleaning felt corresponds to the inner wall of the motor housing 3.

The telescopic submodule comprises a first groove 34, a limit slide bar 35 and a second spring 36;

the first groove 34 is formed in one mounting block 28, a limit slide rod 35 is slidably arranged in the first groove 34, the sliding direction of the limit slide rod 35 is parallel to the axis of the second sleeve 19, the limit slide rod 35 extends out of the first groove 34 and is hinged to the other mounting block 28 through a hinge, the rotation axis of the hinge is parallel to the rotation axis of the slide block 29, a second spring 36 is arranged in the first groove 34, and the second spring 36 is connected with the first groove 34 and the limit slide rod 35.

The device also comprises a closing unit capable of opening and closing the lower opening of the hollow tube 7, wherein the closing unit comprises a first closing circular plate 37, a second closing circular plate 38, a non-slip protrusion 39, a first limiting block 40, a first limiting groove 41, a conical boss 42, a first filtering hole 43, a second filtering hole 44, a second groove 45, a second limiting groove 46, a third limiting groove 47, a second limiting block 48, a third groove 49, a top block 50, a third through hole 51 and a push rod 52;

the axis of the first closing circular plate 37 coincides with the axis of the second closing circular plate 38, the first closing circular plate 37 is rotatably arranged on the lower end surface of the second closing circular plate 38, the rotation axis of the first closing circular plate 37 coincides with the axis of the second closing circular plate 38, the upper end surface of the first closing circular plate 37 coincides with the lower end surface of the second closing circular plate 38, the outer wall of the second closing circular plate 38 can coincide with the inner wall of the hollow tube 7, a plurality of anti-slip protrusions 39 are arranged on the outer wall of the first closing circular plate 37, and the anti-slip protrusions 39 can contact with the inner wall of the hollow tube 7;

the upper end surface of the first closing circular plate 37 is provided with a first limiting block 40, the lower end surface of the second closing circular plate 38 is provided with a first limiting groove 41, the first limiting block 40 is positioned in the first limiting groove 41, and the length of the first limiting groove 41 along the outer circle direction of the second closing circular plate 38 is greater than the length of the first limiting block 40 along the outer circle direction of the second closing circular plate 38;

The upper end surface of the second closing circular plate 38 is provided with a conical boss 42, the diameter of the upper end surface of the conical boss 42 is smaller than the inner diameter of the lower end opening of the motor housing 3, the diameter of the lower end surface of the conical boss 42 is larger than the inner diameter of the lower end opening of the motor housing 3, and the conical inclined surface of the conical boss 42 can correspond to the lower end surface of the motor housing 3; the second closing circular plate 38 is provided with a plurality of first filtering holes 43 penetrating through the upper end face and the lower end face thereof, the first closing circular plate 37 capable of closing the second closing circular plate 38 is provided with a plurality of second filtering holes 44 penetrating through the upper end face and the lower end face thereof, and the first filtering holes 43 can be communicated with the second filtering holes 44;

the upper end face of the conical boss 42 is provided with a second groove 45, the second groove 45 corresponds to the lower end face of the rotating shaft 8, the upper end face of the conical boss 42 is also provided with a second limit groove 46, the side wall of the second limit groove 46 is communicated with the side wall of the second groove 45, the lower end face of the rotating shaft 8 extends out of the lower end face of the first sleeve 9 and is provided with a second limit block 48, the second limit block 48 can extend into the second limit groove 46, the side wall of the second groove 45 is provided with a third limit groove 47, the bottom end face of the third limit groove 47 is flush with the bottom end face of the second limit groove 46, the third limit groove 47 is communicated with the second limit groove 46, the third limit groove 47 is positioned in front of the second limit groove 46 along the rotating direction of the rotating shaft 8, and the third limit groove 47 corresponds to the second limit block 48;

When the first closing circular plate 37 closes the second filtering hole 44 of the second closing circular plate 38, the front side wall of the first limiting groove 41 along the rotation direction of the rotating shaft 8 is attached to the side wall of the first limiting block 40;

a plurality of third grooves 49 are formed in the conical inclined surfaces of the conical bosses 42, ejector blocks 50 are slidably arranged in the third grooves 49, the sliding direction of the ejector blocks 50 is parallel to the axis of the second sleeve 19, the upper end surfaces of the ejector blocks 50 can be attached to the lower end surface of the motor housing 3, third through holes 51 penetrating through the bottom end surfaces of the third grooves 49 and the bottom end surfaces of the second closing circular plates 38 are formed in the bottom end surfaces of the third grooves 49, push rods 52 are arranged on the bottom end surfaces of the ejector blocks 50, and the end surfaces of the push rods 52 away from the ejector blocks 50 extend downwards to penetrate through the third through holes 51 and extend out of the lower end surfaces of the first closing circular plates 37.

The outer wall cleaning unit comprises a third annular cavity 53, a second annular hole 54, a second annular plate 55, a second water tank 56 and a second water pipe 57;

a third annular cavity 53 is formed in the side wall of the hollow pipe 7, a second annular hole 54 is formed in the upper end face of the third annular cavity 53, the axis of the second annular hole 54 coincides with the axis of the hollow pipe 7, a second annular plate 55 corresponding to the second annular hole 54 is rotatably arranged on the side wall of the second annular hole 54, and the rotation axis of the second annular plate 55 coincides with the axis of the hollow pipe 7;

A second water tank 56 is further arranged on the mobile trolley 2, one end of a second water pipe 57 is communicated with the second water tank 56, and the other end of the second water pipe 57 penetrates through the upper end face and the lower end face of the second annular plate 55 and is communicated with the inside of the third annular cavity 53;

a plurality of liquid spraying cleaning assemblies are arranged on the inner wall of the hollow tube 7 in a sliding manner up and down, and the plurality of liquid spraying cleaning assemblies are circularly arrayed along the axis of the hollow tube 7;

the spray cleaning assembly comprises a sliding plate 58, a mounting plate 59, a fourth groove 60, a fifth groove 61, a third piston rod 62, a fourth through hole 63 and a fifth through hole 64;

the mounting plate 59 is located between the inner wall of the hollow tube 7 and the motor housing 3, the mounting plate 59 is slidably disposed on the inner wall of the hollow tube 7 along the axial direction of the hollow tube 7, a plurality of fourth through holes 63 are formed in the side wall of the hollow tube 7 between the mounting plate 59 and the third annular cavity 53, a plurality of fourth through holes 63 are disposed in an array along the sliding direction of the mounting plate 59, a fourth groove 60 is formed in the side wall of the mounting plate 59, which is close to the motor housing 3, a sliding plate 58 is slidably disposed in the fourth groove 60, a second cleaning felt is disposed in the sliding direction of the sliding plate 58, a fifth groove 61 is formed in the side wall of the fourth groove 60, a third piston rod 62 is slidably disposed in the fifth groove 61, the third piston rod 62 extends out of the fifth groove 61 and is connected with the sliding plate 58, the sliding direction of the fifth groove 61 is parallel to the sliding direction of the sliding plate 58, and the telescopic power output end of the second telescopic unit drives the third piston rod 62 to slide;

A fifth through hole 64 penetrating through the left and right side walls of the mounting plate 59 is formed in the mounting plate 59, one end of the fifth through hole 64 corresponds to the outer wall of the motor housing 3, the other end of the fifth through hole 64 can be communicated with the fourth through hole 63, and the mounting plate 59 can close the fourth through hole 63;

the height difference between the uppermost fifth through hole 64 and the lowermost fifth through hole 64 is a, the height difference between the upper end surface of the motor housing 3 and the lower end surface of the motor housing 3 is b, and a < b;

the level of the fourth through hole 63 at the lowest part is smaller than or equal to the level of the upper end surface of the supporting block 17;

the outer wall cleaning unit further comprises a fixing block 89 arranged on the upper end face of the second closing circular plate 38, the fixing block 89 is located behind the mounting plate 59 along the rotation direction of the rotating shaft 8, a third limiting block 90 is arranged on the side wall, close to the mounting plate 59, of the fixing block 89, the third limiting block 90 corresponds to a fourth limiting groove 91, and the fourth limiting groove 91 is formed in the side wall of the mounting plate 59.

The power unit comprises a motor 65, a second electric telescopic rod 66 and a third spring 67;

the second electric telescopic rod 66 is arranged below the travelling car 2, a supporting plate 88 is arranged on the telescopic end of the second electric telescopic rod 66, the telescopic direction of the second electric telescopic rod 66 is parallel to the axis of the hollow tube 7, a motor 65 is arranged on the lower end face of the supporting plate 88, a rotating shaft 8 is arranged on the output shaft of the motor 65, a third spring 67 is sleeved on the first sleeve 9 above the second sleeve 19, one end of the third spring 67 is attached to the upper end face of the second sleeve 19, and the other end of the third spring 67 is connected with the lower end face of the rotating plate 6;

The power unit also comprises a plurality of transmission components which are circularly arrayed along the axis of the hollow pipe 7, wherein each transmission component comprises a mounting rod 68, a sixth annular cavity 69, a steel wire 70, a sixth through hole 71 and a seventh through hole 72;

the mounting rod 68 is arranged on the inner wall of the hollow tube 7 above the mounting plate 59, a sixth annular cavity 69 is formed in the mounting rod 68, the axis of the mounting rod 68 is tangential to the circular section of the hollow tube 7, a sixth through hole 71 and a seventh through hole 72 are formed in the outer wall of the mounting rod 68, and the sixth through hole 71 and the seventh through hole 72 penetrate through the sixth annular cavity 69 and the outer wall of the mounting rod 68;

the sixth annular cavity 69 is internally provided with a steel wire 70, one end of the steel wire 70 penetrates through a sixth through hole 71 and is connected to the mounting plate 59, and the other end of the steel wire 70 penetrates through a seventh through hole 72 and is connected to the upper end face of the second sleeve 19.

The first telescopic unit comprises a first connecting pipe 73, a fourth annular plate 74, a third annular plate 75, an annular groove 76, a fourth annular cavity 77, a fifth annular cavity 78, a column 79, a cavity 80, a piston 81, a third electric telescopic rod 82, a second connecting pipe 83 and a first electromagnetic valve 84;

an annular groove 76 is coaxially formed in the lower end face of the rotating plate 6, a fourth annular plate 74 for closing the annular groove 76 is rotatably arranged on the side wall of the annular groove 76, a third annular plate 75 is arranged in the annular groove 76, the annular groove 76 is divided into a fourth annular cavity 77 and a fifth annular cavity 78, and the lower end face of the third annular plate 75 is attached to the upper end face of the fourth annular plate 74; one end of the first connecting pipe 73 is connected between the second piston 81 rod 27 and the second sleeve 19 on the second piston 81 cylinder 26 and is communicated with the second piston 81 cylinder 26, and the other end of the first connecting pipe 73 penetrates through the upper end face and the lower end face of the fourth annular plate 74 and is communicated with the fourth annular cavity 77; the lower end face of the mobile trolley 2 is provided with a cylinder 79, a cavity 80 is formed in the cylinder 79, a piston 81 is slidably arranged in the cavity 80, hydraulic transmission oil is arranged in the cavity 80 below the piston 81, a third electric telescopic rod 82 is arranged in the cavity 80 above the piston 81, and the telescopic end of the third electric telescopic rod 82 is connected with the piston 81; the cylinder 79 below the piston 81 is connected with a second connecting pipe 83, one end of the second connecting pipe 83 is communicated with the chamber 80, the other end of the second connecting pipe 83 is communicated with the fourth annular chamber 77, and the second connecting pipe 83 is provided with a first electromagnetic valve 84.

The second telescopic unit comprises a third connecting pipe 85, a fourth connecting pipe 86 and a second electromagnetic valve 87;

one end of the third connecting pipe 85 is connected to the mounting plate 59 and is communicated with the fifth groove 61, and the other end of the third connecting pipe 85 penetrates through the upper end face and the lower end face of the second annular plate 55 and is communicated with the fifth annular cavity 78;

the cylinder 79 below the piston is connected with a fourth connecting pipe 86, one end of the fourth connecting pipe 86 is communicated with the chamber 80, the other end of the fourth connecting pipe 86 is communicated with the fifth annular chamber 78, and a second electromagnetic valve 87 is arranged on the fourth connecting pipe 86.

Working principle: when the inner wall and the outer wall of the motor housing 3 need to be cleaned, the motor housing 3 is placed on the conical boss 42 above the top block 50, the second electric telescopic rod 66 is started, the rotating shaft 8 is driven to descend and the lower part of the motor housing is inserted into the second groove 45, the second limiting block 48 is driven to be inserted into the second limiting groove 46, the motor 65 is started to rotate positively, the second limiting block 48 is driven to rotate into the third limiting groove 47 through the rotating shaft 8, the second closing circular plate 38 is limited on the rotating shaft 8, the motor 65 is closed, the push rod 52 is pushed upwards, the top block 50 is driven to ascend, the motor housing 3 is driven to ascend, when the lower end face of the motor housing 3 is located above the upper end face of the supporting block 17, the first electric telescopic rod 12 is started to drive the annular piston 11 to descend, the supporting block 17 is driven to move outwards through the hydraulic oil pushing the first piston rod 15, the roller 18 is driven to contact with the inner wall of the motor housing 3, simultaneously, the lower end surface of the motor housing 3 is placed on the upper end surface of the supporting block 17, the push rod 52 is put down, so that the top block 50 is lowered and reset to move into the third groove 49, the first electromagnetic valve 84 and the second electromagnetic valve 87 are opened, the third electric telescopic rod 82 is started, the piston 81 is driven to slide downwards, the sliding plate 58 and the mounting block 28 are driven to move towards the motor housing 3 through the first connecting pipe 73, the second connecting pipe 83, the third connecting pipe 85 and the fourth connecting pipe 86, the ball 33 is driven to be jointed with the inner wall of the motor housing 3, the first cleaning felt 4 is driven to be jointed with the inner wall of the motor housing 3, the second cleaning felt 5 is driven to be jointed with the outer wall of the motor housing 3, the second electric telescopic rod 66 is started to drive the second closing circular plate 38 to rise into the hollow pipe 7, the anti-skid protrusions 39 outside the first closing circular plate 37 are jointed with the inner wall of the hollow pipe 7, the motor 65 is started to rotate forward continuously, the third limiting block 90 is driven by the rotating shaft 8 to be inserted into the fourth limiting groove 91, the hollow tube 7 is driven to rotate by the mounting plate 59, the first closing circular plate 37 and the second closing circular plate 38 are relatively rotated under the action of the anti-slip protrusions 39, the first closing circular plate 37 closes the first filtering holes 43, the second electric telescopic rod 66 is started to drive the mounting plate 59 to lift by the rotating shaft 8, the fourth through hole 63 is communicated with the fifth through hole 64 while the mounting plate 59 is lifted, so that the cleaning agent in the second water tank 56 sprays the cleaning agent on the outer wall of the motor shell 3 through the second water pipe 57, the fourth through hole 63 and the fifth through hole 64, the second cleaning felt 5 is driven to clean the outer wall of the motor shell 3 when the mounting plate 59 is lifted, the hollow tube 7 rotates through the cooperation of a plurality of steel wires 70 and the sixth through holes 71 and the seventh through holes 72 on the mounting rod 68, the second sleeve 19 is driven to rotate, the mounting plate 59 is lifted and lowered through the steel wire 70 and the third spring 67 to drive the second sleeve 19 to lift and lower the first cleaning felt 4, meanwhile, the cleaning agent in the first water tank 23 sprays the cleaning agent on the inner wall of the motor housing 3 through the first water pipe 24 and the second through hole 23, the cleaning agent on the inner wall of the motor housing 3 through the first cleaning felt 4, when the mounting plate 59 is lifted and lowered, if the inner wall of the motor housing 3 has pits, the distance between the mounting block 28 and the inner wall of the motor housing 3 can be kept consistent continuously due to the fact that the 35 limiting slide rod can rotate and slide, so that the cleaning force of the first cleaning felt 4 on the inner wall of the motor housing 3 is the same, the inner wall and the outer wall of the motor housing 3 are cleaned simultaneously, the moving trolley 2 is started to drive the motor housing 3 to move along the annular track 1, so that a plurality of motor housings 3 can be cleaned;

When cleaning only the inner wall or the outer wall of the motor housing 3, the movement of the slide plate 58 or the mounting block 28 can be controlled by controlling the opening and closing of the first solenoid valve 84 and the second solenoid valve 87, thereby controlling the first cleaning felt 4 or the second cleaning felt 5 to clean the inner wall or the outer wall of the motor housing 3.

Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.

Claims

1. The device is characterized by comprising an annular track (1) and a moving trolley (2) moving along the annular track (1), wherein a supporting unit for supporting the motor housing (3) is arranged below the moving trolley (2), the axis of the motor housing (3) on the supporting unit is perpendicular to the bottom end surface of the moving trolley (2), an inner wall cleaning unit capable of cleaning the inner wall of the motor housing (3) is arranged in the motor housing (3), the inner wall cleaning unit is rotatably arranged below the moving trolley (2), an outer wall cleaning unit capable of cleaning the outer wall of the motor housing (3) is arranged outside the motor housing (3), the outer wall cleaning unit is rotatably arranged below the moving trolley (2), and the device further comprises a power unit which drives the inner wall cleaning unit to rotate and the outer wall cleaning unit to rotate, and the power unit is arranged on the moving unit;

The inner wall cleaning unit comprises a first cleaning felt (4), the first cleaning felt (4) is arranged at the telescopic end of the first telescopic unit, the first cleaning felt (4) can correspond to the inner wall of the motor shell (3), and the first telescopic unit is arranged on the inner wall cleaning unit;

the outer wall cleaning unit comprises a second cleaning felt (5), the second cleaning felt (5) is arranged at the telescopic end of the second telescopic unit, the second cleaning felt (5) can correspond to the outer wall of the motor shell (3), the second telescopic unit is arranged on the outer wall cleaning unit, and the telescopic directions of the first telescopic unit and the second telescopic unit are along the diameter direction of the motor shell (3);

the supporting unit comprises a rotating plate (6), a hollow tube (7), a rotating shaft (8), a first sleeve (9), a first annular cavity (10), an annular piston (11), a first electric telescopic rod (12) and a sealing cavity (13);

the hollow tube (7) is positioned below the mobile trolley (2), the axis of the hollow tube (7) is coincident with the axis of the motor shell (3), the rotation of the upper opening of the hollow tube (7) is coaxially connected with the rotating plate (6), the rotating plate (6) is arranged below the mobile trolley (2), the lower end surface of the mobile trolley (2) is rotatably provided with the rotating shaft (8), the rotating shaft (8) can rotate and lift, penetrates through the upper end surface and the lower end surface of the rotating plate (6) and extends to the lower end surface of the motor shell (3), and the axis of the rotating shaft (8) is coincident with the axis of the motor shell (3);

The rotary shaft (8) in the hollow tube (7) is sleeved with a first sleeve (9) in an outer sleeved mode, the lower end face of the first sleeve (9) extends downwards and stretches out of the lower end face of the motor shell (3), the upper end face of the first sleeve (9) is rotatably arranged on the lower end face of the rotary plate (6), a first annular cavity (10) is formed in the first sleeve (9), an annular piston (11) is arranged in the first annular cavity (10) in a sliding mode, the sliding direction of the annular piston (11) is parallel to the axis direction of the first sleeve (9), a first electric telescopic rod (12) is arranged in the first annular cavity (10) above the annular piston (11), and the telescopic end of the first electric telescopic rod (12) is connected with the annular piston (11);

a plurality of first telescopic components are arranged on the extending section of the motor shell (3) of the first sleeve (9), and the plurality of first telescopic components are circularly arrayed along the axis of the first sleeve (9);

the first telescopic components comprise a first piston cylinder (14), a first piston rod (15), a first through hole (16), a supporting block (17) and a roller (18);

the first piston cylinder (14) is arranged on an extending section of the motor shell (3) of the first sleeve (9) along the diameter direction of the first sleeve (9), a first piston rod (15) is arranged in the first piston cylinder (14) in a sliding manner, one end, far away from the first sleeve (9), of the first piston rod (15) is slidably extended out of the first piston cylinder (14) and is connected with a supporting block (17), the upper end surface of the supporting block (17) is attached to the lower end surface of the motor shell (3), a roller (18) is further arranged on the upper end surface of the supporting block (17) in a rotating manner, the axis of the roller (18) is parallel to the axis of the first sleeve (9), the roller (18) corresponds to the inner wall of the motor shell (3), a first through hole (16) is formed between the first piston cylinder (14) and the first annular cavity (10), and the first through hole (16) is communicated with the first piston cylinder (14) and the first annular cavity (10);

The first annular cavity (10), the plurality of first piston cylinders (14) and the plurality of first through holes (16) are communicated to form a sealed cavity (13), and hydraulic transmission oil is arranged in the sealed cavity (13);

the inner wall cleaning unit comprises a second sleeve (19), a second annular cavity (20), a first annular hole (21), a first annular plate (22), a first water tank (23), a first water pipe (24) and a second through hole (25);

the second sleeve (19) is rotatably sleeved outside the first sleeve (9) and can be lifted up and down, a second annular cavity (20) is formed in the second sleeve (19), a first annular hole (21) which is communicated with the second annular cavity (20) and the external space is formed in the outer wall of the second sleeve (19), a first annular plate (22) is rotatably sleeved on the second sleeve (19), the axis of the first annular plate (22) is coincident with the axis of the second sleeve (19), and the first annular plate (22) corresponds to the first annular hole (21);

the movable trolley (2) is further provided with a first water tank (23), one end of a first water pipe (24) is communicated with the first water tank (23), the other end of the first water pipe (24) penetrates through the upper end face and the lower end face of the rotating plate (6) and is connected with a first annular plate (22), and the first water pipe (24) penetrates through the inner side wall and the outer side wall of the first annular plate (22) and is communicated with the inside of a second annular cavity (20);

A plurality of second through holes (25) are formed in the outer wall of the second sleeve (19), and the second through holes (25) are communicated with the second annular cavity (20) and the external space;

the outer wall of the second sleeve (19) is provided with a plurality of inner wall cleaning assemblies in a circular array along the axis of the second sleeve (19), and the inner wall cleaning assemblies are provided with first cleaning felts (4);

the inner wall cleaning components comprise a plurality of cleaning components;

the cleaning assemblies are arranged outside the second sleeve (19) along the axial direction of the second sleeve (19);

the cleaning assembly comprises a second piston cylinder (26), a second piston rod (27), a mounting block (28), a sliding block (29), a sliding chute (30), a first spring (31), an L-shaped connecting column (32) and a ball (33);

the second piston cylinder (26) is arranged on the outer wall of the second sleeve (19) along the diameter direction of the second sleeve (19), a second piston rod (27) is arranged in the second piston cylinder (26) in a sliding mode, one end, far away from the second sleeve (19), of the second piston rod (27) slidably extends out of the second piston cylinder (26) and is hinged with a sliding block (29), the rotation axis of the sliding block (29) is perpendicular to the axis of the second sleeve (19), the sliding block (29) is slidably arranged in a sliding groove (30), the guiding direction of the sliding groove (30) is parallel to the axis of the second sleeve (19), the sliding groove (30) is formed in the side wall of a mounting block (28), a first spring (31) is arranged in the sliding groove (30) below the sliding block (29), the first spring (31) is connected with the sliding block (29), the side wall, close to the motor housing (3), of the mounting block (28), of the first cleaning felt is arranged in the side wall, and corresponds to the inner wall of the motor housing (3).

The mounting blocks (28) adjacent to each other from top to bottom are connected through a conformal submodule;

an L-shaped connecting column (32) is arranged on the side wall of the mounting block (28), the axis of a transverse column of the L-shaped connecting column (32) is parallel to the axis of the second piston cylinder (26), a ball (33) is arranged on the end face, close to the motor shell (3), of the transverse column of the L-shaped connecting column (32) in a rolling manner, the ball (33) can be attached to the inner wall of the motor shell (3), and a longitudinal column of the L-shaped connecting column (32) is connected with the mounting block (28);

the telescopic power output end of the first telescopic unit drives the second piston rod (27) to slide and stretch;

when the balls (33) are attached to the inner wall of the motor shell (3), the first cleaning felt corresponds to the inner wall of the motor shell (3);

the telescopic submodule comprises a first groove (34), a limit slide bar (35) and a second spring (36);

the first groove (34) is formed in one mounting block (28), a limit sliding rod (35) is arranged in the first groove (34) in a sliding mode, the sliding direction of the limit sliding rod (35) is parallel to the axis of the second sleeve (19), the limit sliding rod (35) extends out of the first groove (34) and is hinged to the other mounting block (28) through a hinge, the rotation axis of the hinge is parallel to the rotation axis of the sliding block (29), a second spring (36) is arranged in the first groove (34), and the second spring (36) is connected with the first groove (34) and the limit sliding rod (35);

The device also comprises a closing unit capable of opening and closing the lower opening of the hollow pipe (7), wherein the closing unit comprises a first closing circular plate (37), a second closing circular plate (38), a non-slip protrusion (39), a first limiting block (40), a first limiting groove (41), a conical boss (42), a first filtering hole (43), a second filtering hole (44), a second groove (45), a second limiting groove (46), a third limiting groove (47), a second limiting block (48), a third groove (49), a top block (50), a third through hole (51) and a push rod (52);

the axis of the first closing circular plate (37) is coincident with the axis of the second closing circular plate (38), the first closing circular plate (37) is rotatably arranged on the lower end face of the second closing circular plate (38), the rotation axis of the first closing circular plate (37) is coincident with the axis of the second closing circular plate (38), the upper end face of the first closing circular plate (37) is coincident with the lower end face of the second closing circular plate (38), the outer wall of the second closing circular plate (38) can be coincident with the inner wall of the hollow tube (7), a plurality of anti-slip protrusions (39) are arranged on the outer wall of the first closing circular plate (37), and the anti-slip protrusions (39) can be contacted with the inner wall of the hollow tube (7);

The upper end face of the first closing circular plate (37) is provided with a first limiting block (40), the lower end face of the second closing circular plate (38) is provided with a first limiting groove (41), the first limiting block (40) is positioned in the first limiting groove (41), and the length of the first limiting groove (41) along the outer circle direction of the second closing circular plate (38) is larger than that of the first limiting block (40) along the outer circle direction of the second closing circular plate (38);

the upper end face of the second closing circular plate (38) is provided with a conical boss (42), the diameter of the upper end face of the conical boss (42) is smaller than the inner diameter of the lower end opening of the motor shell (3), the diameter of the lower end face of the conical boss (42) is larger than the inner diameter of the lower end opening of the motor shell (3), and the conical inclined face of the conical boss (42) can correspond to the lower end face of the motor shell (3);

a plurality of first filter holes (43) penetrating through the upper end face and the lower end face of the second closing circular plate (38) are formed in the second closing circular plate (38), a plurality of second filter holes (44) penetrating through the upper end face and the lower end face of the second closing circular plate are formed in the first closing circular plate (37) capable of closing the second closing circular plate (38), and the first filter holes (43) can be communicated with the second filter holes (44);

The upper end face of the conical boss (42) is provided with a second groove (45), the second groove (45) corresponds to the lower end face of the rotating shaft (8), the upper end face of the conical boss (42) is also provided with a second limit groove (46), the side wall of the second limit groove (46) is communicated with the side wall of the second groove (45), the lower end face of the rotating shaft (8) extends out of the lower end face of the first sleeve (9) and is provided with a second limit block (48), the second limit block (48) can extend into the second limit groove (46), the side wall of the second groove (45) is provided with a third limit groove (47), the bottom end face of the third limit groove (47) is level with the bottom end face of the second limit groove (46), the third limit groove (47) is communicated with the second limit groove (46), the third limit groove (47) is positioned in front of the second limit groove (46) along the rotating direction of the rotating shaft (8), and the third limit groove (47) corresponds to the second limit block (48);

when the first closing circular plate (37) closes the second filtering hole (44) of the second closing circular plate (38), the side wall of the front part of the first limiting groove (41) along the rotating direction of the rotating shaft (8) is attached to the side wall of the first limiting block (40);

A plurality of third grooves (49) are formed in the conical inclined surfaces of the conical bosses (42), ejector blocks (50) are slidably arranged in the third grooves (49), the sliding directions of the ejector blocks (50) are parallel to the axis of the second sleeve (19), the upper end surfaces of the ejector blocks (50) can be attached to the lower end surfaces of the motor shell (3), third through holes (51) penetrating through the bottom end surfaces of the third grooves (49) and the bottom end surfaces of the second closing circular plates (38) are formed in the bottom end surfaces of the third grooves (49), push rods (52) are arranged on the bottom end surfaces of the ejector blocks (50), and the end surfaces of the push rods (52) away from the ejector blocks (50) downwards extend through the third through holes (51) and extend out of the lower end surfaces of the first closing circular plates (37);

the outer wall cleaning unit comprises a third annular cavity (53), a second annular hole (54), a second annular plate (55), a second water tank (56) and a second water pipe (57);

a third annular cavity (53) is formed in the side wall of the hollow pipe (7), a second annular hole (54) is formed in the upper end face of the third annular cavity (53), the axis of the second annular hole (54) coincides with the axis of the hollow pipe (7), a second annular plate (55) corresponding to the second annular hole (54) is rotatably arranged on the side wall of the second annular hole (54), and the rotation axis of the second annular plate (55) coincides with the axis of the hollow pipe (7);

A second water tank (56) is further arranged on the mobile trolley (2), one end of a second water pipe (57) is communicated with the second water tank (56), and the other end of the second water pipe (57) penetrates through the upper end face and the lower end face of the second annular plate (55) and is communicated with the inside of the third annular cavity (53);

a plurality of liquid spraying cleaning assemblies are arranged on the inner wall of the hollow tube (7) in a sliding manner up and down, and the liquid spraying cleaning assemblies are circularly arrayed along the axis of the hollow tube (7);

the liquid spraying cleaning assembly comprises a sliding plate (58), a mounting plate (59), a fourth groove (60), a fifth groove (61), a third piston rod (62), a fourth through hole (63) and a fifth through hole (64);

the mounting plate (59) is positioned between the inner wall of the hollow tube (7) and the motor shell (3), the mounting plate (59) is arranged on the inner wall of the hollow tube (7) in a sliding manner along the axial direction of the hollow tube (7), a plurality of fourth through holes (63) are formed in the side wall of the hollow tube (7) between the mounting plate (59) and the third annular cavity (53), a plurality of fourth through holes (63) are arranged in an array manner along the sliding direction of the mounting plate (59), a fourth groove (60) is formed in the side wall of the mounting plate (59) close to the motor shell (3), a sliding plate (58) is arranged in the fourth groove (60) in a sliding manner, the sliding direction of the sliding plate (58) is along the diameter direction of the hollow tube (7), a second cleaning manner is formed in the side wall of the sliding plate (58) close to the motor shell (3), a fifth groove (61) is formed in the side wall of the fourth groove (60), a third groove (62) is arranged in a sliding manner, the fifth groove (62) is arranged in a sliding manner, and the fifth groove (61) extends out, and is connected with a sliding unit (58) in parallel to the sliding direction of the sliding rod (58);

A fifth through hole (64) penetrating through the left and right side walls of the mounting plate (59) is formed in the mounting plate (59), one end of the fifth through hole (64) corresponds to the outer wall of the motor shell (3), the other end of the fifth through hole (64) can be communicated with the fourth through hole (63), and the mounting plate (59) can close the fourth through hole (63);

the height difference between the uppermost fifth through hole (64) and the lowermost fifth through hole (64) is a, the height difference between the upper end surface of the motor housing (3) and the lower end surface of the motor housing (3) is b, and a < b;

the horizontal height of the fourth through hole (63) at the lowest part is smaller than or equal to the horizontal height of the upper end surface of the supporting block (17);

the outer wall cleaning unit further comprises a fixing block (89) arranged on the upper end face of the second closing circular plate (38), the fixing block (89) is located behind the mounting plate (59) along the rotating direction of the rotating shaft (8), a third limiting block (90) is arranged on the side wall, close to the mounting plate (59), of the fixing block (89), the third limiting block (90) corresponds to a fourth limiting groove (91), and the fourth limiting groove (91) is formed in the side wall of the mounting plate (59).

2. The motor housing inner and outer wall cleaning device according to claim 1, wherein the power unit comprises a motor (65), a second electric telescopic rod (66) and a third spring (67);

The second electric telescopic rod (66) is arranged below the movable trolley (2), a supporting plate (88) is arranged at the telescopic end of the second electric telescopic rod (66), the telescopic direction of the second electric telescopic rod (66) is parallel to the axis of the hollow tube (7), a motor (65) is arranged on the lower end face of the supporting plate (88), a rotating shaft (8) is arranged on the output shaft of the motor (65), a third spring (67) is sleeved on a first sleeve (9) above a second sleeve (19), one end of the third spring (67) is attached to the upper end face of the second sleeve (19), and the other end of the third spring (67) is connected with the lower end face of the rotating plate (6);

the power unit further comprises a plurality of transmission components which are circularly arrayed along the axis of the hollow pipe (7), and each transmission component comprises a mounting rod (68), a sixth annular cavity (69), a steel wire (70), a sixth through hole (71) and a seventh through hole (72);

the installation rod (68) is arranged on the inner wall of the hollow tube (7) above the installation plate (59), a sixth annular cavity (69) is formed in the installation rod (68), the axis of the installation rod (68) is tangential to the circular section of the hollow tube (7), a sixth through hole (71) and a seventh through hole (72) are formed in the outer wall of the installation rod (68), and the sixth through hole (71) and the seventh through hole (72) penetrate through the sixth annular cavity (69) and the outer wall of the installation rod (68);

A steel wire (70) is arranged in the sixth annular cavity (69), one end of the steel wire (70) penetrates out of the sixth through hole (71) and is connected to the mounting plate (59), and the other end of the steel wire (70) penetrates out of the seventh through hole (72) and is connected to the upper end face of the second sleeve (19).

3. The device for cleaning the inner and outer walls of the motor housing according to claim 1, wherein the first telescopic unit comprises a first connecting pipe (73), a fourth annular plate (74), a third annular plate (75), an annular groove (76), a fourth annular cavity (77), a fifth annular cavity (78), a column (79), a chamber (80), a piston (81), a third electric telescopic rod (82), a second connecting pipe (83), and a first electromagnetic valve (84);

an annular groove (76) is coaxially formed in the lower end face of the rotating plate (6), a fourth annular plate (74) for closing the annular groove (76) is rotatably arranged on the side wall of the annular groove (76), a third annular plate (75) is arranged in the annular groove (76) and divides the annular groove (76) into a fourth annular cavity (77) and a fifth annular cavity (78), and the lower end face of the third annular plate (75) is attached to the upper end face of the fourth annular plate (74); one end of the first connecting pipe (73) is connected between a second piston rod (27) and a second sleeve (19) on the second piston cylinder (26) and is communicated with the inside of the second piston cylinder (26), and the other end of the first connecting pipe (73) penetrates through the upper end face and the lower end face of the fourth annular plate (74) and is communicated with the fourth annular cavity (77); the lower end face of the mobile trolley (2) is provided with a cylinder (79), a cavity (80) is formed in the cylinder (79), a piston (81) is arranged in the cavity (80) in a sliding mode, hydraulic transmission oil is arranged in the cavity (80) below the piston (81), a third electric telescopic rod (82) is arranged in the cavity (80) above the piston (81), and the telescopic end of the third electric telescopic rod (82) is connected with the piston (81); the cylinder (79) below the piston (81) is connected with a second connecting pipe (83), one end of the second connecting pipe (83) is communicated with the inside of the cavity (80), the other end of the second connecting pipe (83) is communicated with the inside of the fourth annular cavity (77), and a first electromagnetic valve (84) is arranged on the second connecting pipe (83).

4. A motor housing inner and outer wall cleaning device according to claim 3, wherein the second telescopic unit comprises a third connecting pipe (85), a fourth connecting pipe (86), and a second electromagnetic valve (87);

one end of the third connecting pipe (85) is connected to the mounting plate (59) and communicated with the fifth groove (61), and the other end of the third connecting pipe (85) penetrates through the upper end face and the lower end face of the second annular plate (55) and is communicated with the fifth annular cavity (78);

a fourth connecting pipe (86) is connected to the cylinder (79) below the piston, one end of the fourth connecting pipe (86) is communicated with the inside of the cavity (80), the other end of the fourth connecting pipe (86) is communicated with the inside of the fifth annular cavity (78), and a second electromagnetic valve (87) is arranged on the fourth connecting pipe (86).