CN114289362B - A cleaning device for the inner and outer walls of a motor housing - Google Patents

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

A device for cleaning the inner and outer walls of a motor housing

technical field

The invention relates to the field of motor casing cleaning, in particular to a cleaning device for the inner and outer walls of the motor casing.

Background technique

With the progress of society, motors are widely used in various fields of production and life. When the motor is used for a certain period of time, the old motor will cause an increase in failure rate. Due to the damage of its internal parts, the motor needs to be repaired. When the motor is repaired, it is necessary to clean the inner and outer walls of the motor housing. The existing motor housing cleaning equipment cleans the inner and outer walls of the motor housing through fixed felts, and cannot clean the inner and outer walls at the same time, but when only the inner or outer walls of the motor housing need to be cleaned At the same time, the equipment that cleans the inner and outer walls of the motor housing at the same time cannot meet the usage scenario, resulting in limited cleaning application scenarios.

Contents of the invention

The object of the present invention is to provide a cleaning device for the inner and outer walls of the motor housing, which is used for cleaning the inner and outer walls of the motor housing.

The purpose of the present invention is achieved by such a technical solution, which includes a circular track and a moving trolley moving along the circular track, a support unit supporting the motor housing is arranged below the moving trolley, and the support unit on the support unit The axis of the motor housing is perpendicular to the bottom end face of the moving trolley. There is an inner wall cleaning unit that can clean the inner wall of the motor housing inside the motor housing. The inner wall cleaning unit is rotatably arranged under the moving trolley. The motor There is an outer wall cleaning unit that can clean the outer wall of the motor housing outside the housing. The outer wall cleaning unit is rotated and installed under the moving trolley. The power unit drives the inner wall cleaning unit to rotate and the outer wall cleaning unit to rotate. The power unit is arranged on the mobile unit superior;

The inner wall cleaning unit includes a first cleaning felt, the first cleaning felt is arranged on the telescopic end of the first telescopic unit, the first cleaning felt can correspond to the inner wall of the motor housing, and the first telescopic The unit is set on the inner wall cleaning unit;

The outer wall cleaning unit includes a second cleaning felt, the second cleaning felt is arranged on the telescopic end of the second telescopic unit, the second cleaning felt can correspond to the outer wall of the motor housing, and the second telescopic felt can The unit is arranged on the outer wall cleaning unit, and the telescopic directions of the first telescopic unit and the second telescopic unit are both along the diameter direction of the motor housing.

Preferably, the support unit includes 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 tube is located below the mobile trolley, the axis of the hollow tube coincides with the axis of the motor housing, and the rotation of the coaxial line at the upper opening of the hollow tube is connected with a rotating plate, and the rotating plate is set Below the moving trolley, the lower end surface of the moving trolley is rotatably provided with a rotating shaft. The rotating shaft can rotate and lift through the upper and lower end surfaces of the rotating plate and extend below the lower end surface of the motor housing. The axis of the rotating shaft and the motor housing The axes of the body coincide;

The rotating shaft in the hollow tube is covered with a first sleeve, the lower end of the first sleeve extends downwards and protrudes from the lower end of the motor housing, the upper end of the first sleeve is rotatably arranged on the lower end of the rotating plate, A first annular cavity is opened in the first sleeve, and an annular piston slides up and down in the first annular cavity. The sliding direction of the annular piston is parallel to the axial direction of the first sleeve. A first electric telescopic rod is arranged in the first annular cavity above the piston, and the telescopic end of the first electric telescopic rod is connected to the annular piston;

A plurality of first telescopic assemblies are arranged on the extension section of the motor housing of the first sleeve, and a plurality of the first telescopic assemblies are arranged in a circular array along the axis of the first sleeve;

The first telescopic assembly includes a first piston cylinder, a first piston rod, a first through hole, a support block, and a roller;

The first piston cylinder is arranged on the motor casing extension section of the first sleeve along the diameter direction of the first sleeve, and a first piston rod is slidably arranged in the first piston cylinder, and the first piston The end of the rod far away from the first sleeve can slide out of the first piston cylinder and is connected with a support block, the upper end surface of the support block fits the lower end surface of the motor housing, and the upper end surface of the support block is also rotated There is a roller, the axis of the roller is parallel to the axis of the first sleeve, the roller is corresponding to the inner wall of the motor housing, and a first through hole is opened between the first piston cylinder and the first annular chamber , the first through hole communicates with the first piston barrel and the first annular cavity;

The first annular cavity, the plurality of first piston barrels and the plurality of first through holes communicate with each other to form a sealed sealing cavity, and there is hydraulic transmission oil in the sealing cavity.

Preferably, the inner wall cleaning unit includes a second sleeve, a second annular chamber, 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 rotatable and can be lifted up and down outside the first sleeve, and a second annular cavity is opened in the second sleeve, and the outer wall of the second sleeve is opened to communicate with the second annular cavity and The first annular hole in the external space, the first annular plate is rotatably sleeved on the second sleeve, the axis of the first annular plate coincides with the axis of the second sleeve, and the first annular plate and the first Corresponding to the annular hole;

The mobile trolley is also provided with a first water tank, the first water tank is connected to one end of the first water pipe, the other end of the first water pipe runs through the upper and lower end surfaces of the rotating plate and connects to the first annular plate, and the first water pipe runs through the first water pipe. The inner and outer walls of an annular plate communicate 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 communicate with the second annular cavity and the external space;

The outer wall of the second sleeve is provided with a number of inner wall cleaning components in a circular array along the axis of the second sleeve, and the first cleaning felts are arranged on each of the inner wall cleaning components.

Preferably, the inner wall cleaning components include several cleaning components;

Several cleaning components are arranged outside the second sleeve in an array along the axis direction of the second sleeve;

The cleaning assembly includes a second piston barrel, a second piston rod, a mounting block, a slider, a 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, and a second piston rod is slidably arranged in the second piston cylinder, and the second piston rod is far away from the second sleeve One end of the second piston barrel is slidably extended and a slider is hinged, the rotation axis of the slider is perpendicular to the axis of the second sleeve, the slider is slidably arranged in the chute, and the chute The guiding direction is parallel to the axis of the second sleeve. The chute is set on the side wall of the mounting block. There is a first spring in the chute below the slider, and the first spring connects the slider and the chute. The side wall of the mounting block close to the motor housing is provided with a first cleaning felt, and the first cleaning felt corresponds to the inner wall of the motor housing;

The upper and lower adjacent installation blocks are connected by conformal sub-modules;

The side wall of the mounting block is provided with an L-shaped connecting column, the axis of the horizontal column of the L-shaped connecting column is parallel to the axis of the second piston barrel, and the horizontal column of the L-shaped connecting column is close to the motor housing. The end surface of the body is rollingly provided with balls, the balls can fit the inner wall of the motor housing, and the vertical column of the L-shaped connecting column is connected to the mounting block;

The expansion power output end of the first expansion unit drives the second piston rod to slide and expand;

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

Preferably, the telescopic sub-module includes a first groove, a limit slide bar, and a second spring;

The first groove is opened on a mounting block, and a limit slide bar is slidably arranged in the first groove, and the sliding direction of the limit slide bar is parallel to the axis of the second sleeve. The slide rod extends out of the first groove and is hinged to another mounting block through a hinge, the rotation axis of the hinge is parallel to the rotation axis of the slider, and there is a second spring in the first groove, and the second spring is connected to the The first groove and the limit slide bar.

Preferably, the device further includes a closing unit capable of opening and closing the lower opening of the hollow tube, and the closing unit includes a first closing circular plate, a second closing circular plate, an anti-slip protrusion, a first stopper, a second A limit groove, tapered boss, first filter hole, second filter hole, second groove, second limit groove, third limit groove, second limit block, third groove, top block , the third through hole, the push rod;

The axis of the first closing circular plate coincides with the axis of the second closing circular plate, the first closing circular plate is rotatably arranged on the lower end surface of the second closing circular plate, and the rotation axis of the first closing circular plate coincides with the axis of the second closing circular plate. The axes of the two closed circular plates are coincident, the end surface of the first closed circular plate is attached to the lower end surface of the second closed circular plate, the outer wall of the second closed circular plate can be attached to the inner wall of the hollow tube, The outer wall of the first closed circular plate is provided with several anti-slip protrusions, and the anti-slip protrusions can be in contact with the inner wall of the hollow tube;

The upper surface of the first closing circular plate is provided with a first limiting block, and the lower end surface of the second closing circular plate is provided with a first limiting groove, and the first limiting block is located in the first limiting groove. The length of the first limit groove along the outer circle direction of the second closed circular plate is greater than the length of the first limit block along the outer circle direction of the second closed circular plate;

The upper end surface of the second closed circular plate is provided with a tapered boss, the diameter of the upper end surface of the tapered boss is smaller than the inner diameter of the lower end opening of the motor housing, and the diameter of the lower end surface of the tapered boss is larger than that of the electric motor. The inner diameter of the lower end opening of the machine housing, the tapered slope of the tapered boss can correspond to the lower end surface of the motor housing;

The second closing circular plate is provided with a plurality of first filter holes penetrating through its upper and lower end surfaces, and the first closing circular plate capable of closing the second closing circular plate is provided with a plurality of second filtering holes penetrating its upper and lower end surfaces, The first filter hole can communicate with the second filter hole;

The upper end surface of the tapered boss is provided with a second groove, the second groove corresponds to the lower end surface of the rotating shaft, and the upper end surface of the tapered boss is also provided with a second limit groove, the second limit The side wall of the groove communicates with the side wall of the second groove, the lower end surface of the rotating shaft protrudes from the lower end surface of the first sleeve and is provided with a second limiting block, and the second limiting block can extend into the second limiting block. In the positioning groove, the side wall of the second groove is provided with a third limiting groove, the bottom end surface of the third limiting groove is flush with the bottom end surface of the second limiting groove, and the third limiting groove The groove communicates with the second limiting groove, the third limiting groove is located in front of the second limiting groove along the rotation direction of the rotating shaft, and the third limiting groove corresponds to the second limiting block;

When the first closing circular plate closes the second filter hole of the second closing circular plate, the front side wall of the first limiting groove along the rotation direction of the rotating shaft is in contact with the side wall of the first limiting block;

A plurality of third grooves are opened on the conical slope of the conical boss, and a top block is slidably arranged in each of the third grooves, and the sliding direction of the top block is parallel to the axis of the second sleeve. The upper end surface of the top block can be attached to the lower end surface of the motor housing, and the third groove bottom surface is provided with a third through hole penetrating through the third groove bottom end surface and the second closed circular plate bottom end surface, Push rods are provided on the bottom end surfaces of the top blocks, and the end faces of the push rods away from the top block extend downward through the third through hole and protrude from the lower end surface of the first closed circular plate.

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

The side wall of the hollow tube is provided with a third annular cavity, and the upper end surface of the third annular cavity is provided with a second annular hole, the axis of the second annular hole coincides with the axis of the hollow tube, and the first The side wall of the second annular hole is rotatably provided with a second annular plate corresponding to the second annular hole, the rotation axis of the second annular plate coincides with the axis of the hollow tube;

The mobile trolley is also provided with a second water tank, the second water tank is connected to one end of the second water pipe, and the other end of the second water pipe runs through the upper and lower end surfaces of the second annular plate and communicates with the third annular cavity;

The inner wall of the hollow tube slides up and down and is provided with a number of liquid spray cleaning components, and several of the liquid spray cleaning components are arranged in a circular array along the axis of the hollow tube;

The liquid spray cleaning assembly includes 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 located between the inner wall of the hollow tube and the motor housing, the mounting plate is slidably arranged on the inner wall of the hollow tube along the axial direction of the hollow tube, and the hollow space between the mounting plate and the third annular cavity A number of fourth through holes are opened on the side wall of the tube, and a number of the fourth through holes are arranged in an array along the sliding direction of the mounting plate, and a fourth groove is opened on the side wall of the mounting plate close to the motor housing, A sliding plate is slidably arranged in the fourth groove, and the sliding direction of the sliding plate is along the diameter direction of the hollow tube. The side wall of the sliding plate close to the motor housing is provided with a second cleaning felt. A fifth groove is opened on the side wall of the four grooves, and a third piston rod is slidably arranged in the fifth groove, and the third piston rod extends out of the fifth groove and is connected to the sliding plate. The sliding direction of the 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;

The mounting plate is provided with a fifth through hole penetrating through its left and right side walls, one end of the fifth through hole corresponds to the outer wall of the motor housing, and the other end of the fifth through hole can communicate with the fourth through hole , 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, the a<b;

The horizontal height of the bottom fourth through hole is less than or equal to the horizontal height of the upper end surface of the support block;

The outer wall cleaning unit also includes a fixed block arranged on the upper surface of the second closed circular plate, the fixed block is located at the rear of the mounting plate along the rotation direction of the rotating shaft, and the side wall of the fixed block close to the mounting plate is provided with a third limit position block, the third limiting block corresponds to the fourth limiting slot, and the fourth limiting slot is opened on the side wall of the mounting plate.

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

The second electric telescopic rod is arranged under the moving trolley, a support plate is provided 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, the A motor is provided on the lower end surface of the support plate, a rotating shaft is provided on the output shaft of the motor, the third spring is sleeved on the first sleeve above the second sleeve, and one end of the third spring is connected to the upper end of the second sleeve. The surfaces are fitted together, and the other end of the third spring is connected to the lower end surface of the rotating plate;

The power unit also includes several transmission assemblies arranged in a circular array along the axis of the hollow tube, and each of the transmission assemblies includes 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 tube above the installation plate, and a sixth annular cavity is opened in the installation rod, the axis of the installation rod is tangent to the circular section of the hollow tube, and the outer wall of the installation rod is opened There are a sixth through hole and a seventh through hole, both of which run through the sixth annular cavity and the outer wall of the mounting rod;

There is a steel wire in the sixth annular cavity, one end of the steel wire passes through the sixth through hole and is connected to the mounting plate, and the other end of the steel wire passes through the seventh through hole and is connected to the upper end surface of the second sleeve.

Preferably, the first telescopic unit includes a first connecting pipe, a fourth annular plate, a third annular plate, an annular groove, a fourth annular chamber, a fifth annular chamber, a cylinder, a chamber, a piston, a third Electric telescopic rod, second connecting pipe, first solenoid valve;

The lower end surface 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 closing the annular groove, a third annular plate is arranged in the annular groove and Divide the annular groove into the fourth annular cavity and the fifth annular cavity, the lower end surface of the third annular plate is attached to the upper surface of the fourth annular plate; one end of the first connecting pipe is connected to the second piston cylinder The piston rod communicates with the second sleeve and communicates with the inside of the second piston cylinder. The other end of the first connecting pipe runs through the upper and lower end surfaces of the fourth annular plate and communicates with the fourth annular cavity; the lower end surface of the mobile trolley is provided with a column body, a chamber is opened in the cylinder, a piston is slidingly arranged in the chamber, hydraulic transmission oil is in the chamber below the piston, a third electric telescopic rod is arranged in the chamber above the piston, the first The telescopic end of the three electric telescopic rods is connected with a piston; the cylinder below the piston is connected with a second connecting pipe, one end of the second connecting pipe communicates with the chamber, and the other end of the second connecting pipe communicates with the fourth annular chamber Inside, the second connecting pipe is provided with a first electromagnetic valve.

Preferably, the second telescopic unit includes a third connecting pipe, a fourth connecting pipe, and a second solenoid valve;

One end of the third connecting pipe is connected to the mounting plate and communicates with the fifth groove, and the other end of the third connecting pipe passes through the upper and lower end surfaces of the second annular plate and communicates with the fifth annular cavity;

A fourth connecting pipe is connected to the cylinder below the piston, one end of the fourth connecting pipe communicates with the chamber, and the other end of the fourth connecting pipe communicates with the fifth annular chamber, and the fourth connecting pipe is provided with Second solenoid valve.

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

1. This application sets the first telescopic unit and the second telescopic unit, which can drive the sliding plate and the installation block to move back and forth, thereby controlling the contact between the first cleaning felt or the second cleaning felt and the motor housing, thereby controlling the motor. cleaning of the housing;

2. In this application, by setting the mounting plate that slides up and down, through the third limit block and the fourth limit groove, when the mounting plate rises and falls, the second cleaning felt is driven up and down to clean the outer wall of the motor housing up and down. Improve the cleaning efficiency of the motor housing;

3. This application can close the lower opening of the hollow tube by setting the first closing circular plate and the second closing circular plate. When the first filter hole of the second closing circular plate is in the closed state, the hollow tube can be injected with clean agent, soak the motor casing, so as to realize the cleaning of stubborn stains;

4. In this application, by rotating and setting the limit slide bar between the mounting blocks, when cleaning the inner wall of the motor housing, it can ensure that the cleaning strength of the inner wall with potholes is the same, thereby ensuring the cleaning quality of the inner wall.

Other advantages, objects and features of the present invention will be set forth in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the investigation and research below, or can be obtained from It is taught in the practice of the present invention. The objects and other advantages of the invention will be realized and attained by the following description and claims.

Description of drawings

The accompanying drawings of the present invention are described as follows.

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the partial enlarged view of A place of the present invention;

Fig. 3 is the right view of the present invention;

Fig. 4 is the sectional view of B-B place of the present invention;

Fig. 5 is the partial enlarged view of C place of the present invention;

Fig. 6 is the partial enlarged view of D place of the present invention;

Figure 7 is a partial enlarged view of the E place of the present invention;

Fig. 8 is a structural sectional view of the switch unit of the present invention;

Fig. 9 is a structural schematic diagram of the mounting rod of the present invention;

Fig. 10 is a structural schematic diagram of a hollow tube, a mounting plate, a fourth through hole and a fifth through hole of the present invention;

Fig. 11 is the structural representation of mounting plate of the present invention, the second cleaning felt;

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

In the figure: 1. Ring track; 2. Mobile trolley; 3. Motor housing; 4. First cleaning felt; 5. Second cleaning felt; 6. Rotating plate; 7. Hollow tube; 8. Rotating shaft; 9 .The first sleeve; 10. The first annular chamber; 11. The annular piston; 12. The first electric telescopic rod; 13. The sealing chamber; 14. The first piston barrel; 15. The first piston rod; Hole; 17. Support block; 18. Roller; 19. Second sleeve; 20. Second annular cavity; 21. First annular hole; 22. First annular plate; 23. First water tank; 24. First water pipe 25. The second through hole; 26. The second piston barrel; 27. The second piston rod; 28. Mounting block; 29. Slide block; 30. Chute; 31. The first spring; 33. ball; 34. first groove; 35. limit slide bar; 36. second spring; 37. first closing disc; 38. second closing disc; 39. anti-slip protrusion; 40. first Limiting block; 41. The first limiting groove; 42. Tapered boss; 43. The first filter hole; 44. The second filtering hole; 45. The second groove; 46. The second limiting groove; 47. The third limiting groove; 48. The second limiting block; 49. The third groove; 50. Top block; 51. The third through hole; 52. Push rod; 53. The third annular cavity; hole; 55. second annular plate; 56. second water tank; 57. second water pipe; 58. sliding plate; 59. mounting plate; 60. fourth groove; 61. fifth groove; 62. third piston Rod; 63. the fourth through hole; 64. the fifth through hole; 65. motor; 66. the second electric telescopic rod; 67. the third spring; 68. installation rod; 69. the sixth annular cavity; 70. steel wire; 71. The sixth through hole; 72. The seventh through hole; 73. The first connecting pipe; 74. The fourth annular plate; 75. The third annular plate; 76. The annular groove; 77. The fourth annular cavity; 78. The fifth annular cavity; 79. Cylinder; 80. Chamber; 81. Piston; 82. The third electric telescopic rod; 83. The second connecting pipe; 84. The first solenoid valve; 85. The third connecting pipe; 86. The fourth connecting pipe; 87. The second electromagnetic valve; 88. The supporting plate; 89. The fixed block; 90. The third limiting block; 91. The fourth limiting groove.

Detailed ways

The present invention will be further described below in conjunction with drawings and embodiments.

As shown in Figures 1 to 12, a device for cleaning the inner and outer walls of a motor housing includes a circular track 1 and a mobile trolley 2 that moves along the circular track 1, and a supporting motor housing is provided under the mobile trolley 2. The support unit of the body 3, the axis of the motor housing 3 on the support unit is perpendicular to the bottom end surface of the mobile trolley 2, and the motor housing 3 has an inner wall cleaning unit that can clean the inner wall of the motor housing 3 , the inner wall cleaning unit is rotatably arranged under the mobile trolley 2, and the outer wall cleaning unit that can clean the outer wall of the motor housing 3 is arranged outside the motor housing 3, and the outer wall cleaning unit is rotatably arranged under the mobile trolley 2, so 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 mobile unit;

The inner wall cleaning unit includes a first cleaning felt 4, the first cleaning felt 4 is arranged on the telescopic end of the first telescopic unit, and the first cleaning felt 4 can correspond to the inner wall of the motor housing 3, so The first telescopic unit is arranged on the inner wall cleaning unit;

The outer wall cleaning unit includes a second cleaning felt 5, the second cleaning felt 5 is arranged on the telescopic end of the second telescopic unit, the second cleaning felt 5 can correspond to the outer wall of the motor housing 3, so 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 both along the diameter direction of the motor housing 3 .

The supporting unit includes 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 located below the mobile trolley 2, the axis of the hollow tube 7 coincides with the axis of the motor housing 3, and the rotation of the coaxial line at the upper opening of the hollow tube 7 is connected with a rotating plate 6 , the rotating plate 6 is arranged under the moving trolley 2, and the lower end surface of the moving trolley 2 is rotated with a rotating shaft 8, and the rotating shaft 8 is rotatable and liftable, runs through the upper and lower end surfaces of the rotating plate 6 and extends to the motor housing 3 Below the lower end surface, the axis of the rotating shaft 8 coincides with the axis of the motor housing 3;

The shaft 8 in the hollow tube 7 is covered with a first sleeve 9, the lower end of the first sleeve 9 extends downward and extends out of the lower end of the motor housing 3, and the upper end of the first sleeve 9 The rotation is arranged on the lower end surface of the rotating plate 6. A first annular cavity 10 is opened in the first sleeve 9. An annular piston 11 is arranged to slide up and down in the first annular cavity 10. 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 to the annular piston 11;

Several first telescopic assemblies are arranged on the extension section of the motor housing 3 of the first sleeve 9, and several first telescopic assemblies are arranged in a circular array along the axis of the first sleeve 9;

The first telescopic assembly includes a first piston cylinder 14, a first piston rod 15, a first through hole 16, a support block 17, and a roller 18;

The first piston cylinder 14 is arranged on the extended section of the motor housing 3 of the first sleeve 9 along the diameter direction of the first sleeve 9, and the first piston rod 15 is slidably arranged in the first piston cylinder 14 The end of the first piston rod 15 away from the first sleeve 9 can slide out of the first piston barrel 14 and is connected with a support block 17, the upper end surface of the support block 17 is in contact with the lower end surface of the motor housing 3 Fitting, the upper end surface of the support block 17 is also rotated with a roller 18, the axis of the roller 18 is parallel to the axis of the first sleeve 9, and the roller 18 corresponds to the inner wall of the motor housing 3, so A first through hole 16 is opened between the first piston barrel 14 and the first annular cavity 10, and the first through hole 16 communicates with the first piston barrel 14 and the first annular cavity 10;

The first annular cavity 10 , the plurality of first piston barrels 14 and the plurality of first through holes 16 communicate with each other to form a sealed sealing cavity 13 , and hydraulic transmission oil is contained in the sealing cavity 13 .

The inner wall cleaning unit includes 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 rotatable and can be lifted up and down outside the first sleeve 9. The second sleeve 19 is provided with a second annular cavity 20, and the outer wall of the second sleeve 19 is provided with a communication channel. The second annular cavity 20 and the first annular hole 21 of the external space, the first annular plate 22 is rotatably sleeved on the second sleeve 19, and the axis of the first annular plate 22 is parallel to the axis of the second sleeve 19. Coincidentally, the first annular plate 22 corresponds to the first annular hole 21;

The mobile trolley 2 is also provided with a first water tank 23, which is connected to one end of a first water pipe 24, and the other end of the first water pipe 24 runs through the upper and lower end surfaces of the rotating plate 6 and is connected to the first annular plate 22, The first water pipe 24 runs through the inner and outer walls of the first annular plate 22 and communicates 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 communicate with the second annular cavity 20 and the external space;

The outer wall of the second sleeve 19 is provided with a number of inner wall cleaning components in a circular array along the axis of the second sleeve 19 , and the first cleaning felts 4 are arranged on each of the inner wall cleaning components.

The inner wall cleaning components include several cleaning components;

Several cleaning components are arranged outside the second sleeve 19 in an array along the axial direction of the second sleeve 19;

The cleaning assembly includes a second piston barrel 26, a second piston rod 27, a mounting block 28, a slider 29, a 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, and a second piston rod 27 is slidably arranged in the second piston cylinder 26, and the second piston rod 27 is slidably stretched out of the second piston barrel 26 from the end of the second sleeve 19 and is hinged with a slider 29, the rotation axis of the slider 29 is perpendicular to the axis of the second sleeve 19, and the slider 29 Slidingly arranged in the chute 30, the guide direction of the chute 30 is parallel to the axis of the second sleeve 19, the chute 30 is opened on the side wall of the mounting block 28, and the chute below the slide block 29 There is a first spring 31 in the 30, and the first spring 31 connects the slider 29 and the chute 30, and the side wall of the mounting block 28 near the motor housing 3 is provided with a first cleaning felt, and the first cleaning felt Corresponding to the inner wall of the motor housing 3;

The upper and lower adjacent mounting blocks 28 are connected by conformal sub-modules;

The side wall of the mounting block 28 is provided with an L-shaped connecting column 32, the axis of the horizontal column of the L-shaped connecting column 32 is parallel to the axis of the second piston barrel 26, and the horizontal column of the L-shaped connecting column 32 The end surface near the motor housing 3 is rollingly provided with balls 33, the balls 33 can be attached to the inner wall of the motor housing 3, and the vertical column of the L-shaped connecting column 32 is connected to the mounting block 28;

The expansion power output end of the first expansion unit drives the second piston rod 27 to slide and expand;

When the ball 33 is in contact with the inner wall of the motor housing 3 , the first cleaning felt corresponds to the inner wall of the motor housing 3 .

The telescopic sub-module includes a first groove 34, a limit slide bar 35, and a second spring 36;

The first groove 34 is opened on a mounting block 28, and a limit slide bar 35 is slidably arranged in the first groove 34, and the sliding direction of the limit slide bar 35 is parallel to the axis of the second sleeve 19. Parallel, the limit slide bar 35 extends out of the first groove 34 and hinges another mounting block 28 through a hinge, the rotation axis of the hinge is parallel to the rotation axis of the slider 29, and the first groove 34 There is a second spring 36 , and the second spring 36 is connected to the first groove 34 and the limiting slide bar 35 .

The device also includes a closing unit capable of opening and closing the lower opening of the hollow tube 7. The closing unit includes a first closing circular plate 37, a second closing circular plate 38, an anti-slip protrusion 39, and a first stopper 40. , the first limit groove 41, the tapered boss 42, the first filter hole 43, the second filter hole 44, the second groove 45, the second limit groove 46, the third limit groove 47, the second limit Block 48, third groove 49, top block 50, third through hole 51, push rod 52;

The axis of the first closing circular plate 37 coincides with the axis of the second closing circular plate 38, and the first closing circular plate 37 is rotatably arranged on the lower end surface of the second closing circular plate 38, and the first closing circular plate 37 The axis of rotation coincides with the axis of the second closing circular plate 38, the upper end surface of the first closing circular plate 37 fits with the lower end surface of the second closing circular plate 38, and the outer wall of the second closing circular plate 38 can be The inner wall of the hollow tube 7 fits together, and the outer wall of the first closed circular plate 37 is provided with some anti-slip protrusions 39, and the anti-slip protrusion 39 can be in 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, and the lower end surface of the second closing circular plate 38 is provided with a first limiting groove 41, and the first limiting block 40 is located at the first limiting position. In the position groove 41, the length of the first limit groove 41 along the outer circle direction of the second closed circular plate 38 is greater than the length of the first limit block 40 along the outer circle direction of the second closed circular plate 38;

The upper end surface of the second closed circular plate 38 is provided with a tapered boss 42, the diameter of the upper end surface of the tapered boss 42 is smaller than the inner diameter of the lower opening of the motor housing 3, and the lower surface of the tapered boss 42 The diameter of the end face is greater than the inner diameter of the lower end opening of the motor housing 3, and the tapered slope of the tapered boss 42 can correspond to the lower end face of the motor housing 3; the second closing circular plate 38 is provided with several Through the first filter hole 43 on its upper and lower end surfaces, the first closing circular plate 37 that can close the second closing circular plate 38 is provided with a number of second filtering holes 44 passing through its upper and lower end surfaces. The first filtering hole 43 Can communicate with the second filter hole 44;

The upper end surface of the tapered boss 42 is provided with a second groove 45, the second groove 45 corresponds to the lower end surface of the rotating shaft 8, and the upper end surface of the tapered boss 42 is also provided with a second limiting groove 46, The side wall of the second limiting groove 46 communicates with the side wall of the second groove 45, the lower end surface of the rotating shaft 8 protrudes from the lower end surface of the first sleeve 9 and is provided with a second limiting block 48, the The second limiting block 48 can extend into the second limiting groove 46, and the side wall of the second groove 45 is provided with a third limiting groove 47, and the bottom end surface of the third limiting groove 47 is in contact with the second limiting groove. The bottom end surfaces of the limiting grooves 46 are flush with each other, the third limiting groove 47 communicates with the second limiting groove 46, and the third limiting groove 47 is located in the second limiting groove 46 along the rotation direction of the rotating shaft 8 In front of the front, the third limiting groove 47 corresponds to the second limiting block 48;

When the first closing circular plate 37 closes the second filter 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 and the side wall of the first limiting block 40 The side walls fit together;

A plurality of third grooves 49 are provided on the conical inclined surface of the conical boss 42, and a top block 50 is slidably arranged in the third groove 49, and the sliding direction of the top block 50 is in line with that of the second sleeve. The axes of 19 are parallel, the upper end surface of the top block 50 can be fitted with the lower end surface of the motor housing 3, and the bottom end surface of the third groove 49 is provided with a second closing surface that runs through the bottom end surface of the third groove 49. The third through hole 51 on the bottom end surface of the circular plate 38, the bottom end surface of the top block 50 is provided with a push rod 52, and the end face of the push rod 52 away from the top block 50 extends downward through the third through hole 51 and protrudes The first closes the lower end surface of the circular plate 37 .

The outer wall cleaning unit includes 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 provided in the side wall of the hollow tube 7 , and a second annular hole 54 is provided on the upper surface of the third annular cavity 53 , and the axis of the second annular hole 54 is aligned with the axis of the hollow tube 7 Coincidentally, the side wall of the second annular hole 54 is rotated to be provided with a second annular plate 55 corresponding to the second annular hole 54, and the rotation axis of the second annular plate 55 coincides with the axis of the hollow tube 7;

The mobile trolley 2 is also provided with a second water tank 56, the second water tank 56 communicates with one end of a second water pipe 57, and the other end of the second water pipe 57 runs through the upper and lower end surfaces of the second annular plate 55 and connects with the third annular cavity. Connected within 53;

The inner wall of the hollow tube 7 slides up and down to be provided with a number of liquid spray cleaning components, and several of the liquid spray cleaning components are arranged in a circular array along the axis of the hollow tube 7;

The liquid spray cleaning assembly includes 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, and the mounting plate 59 is slidably arranged on the inner wall of the hollow tube 7 along the axial direction of the hollow tube 7. The mounting plate 59 and the third A plurality of fourth through holes 63 are provided on the side wall of the hollow tube 7 between the annular chambers 53, and the plurality of fourth through holes 63 are arranged in an array along the sliding direction of the mounting plate 59, and the mounting plate 59 is close to the electric circuit. The side wall of the machine housing 3 is provided with a fourth groove 60, and a sliding plate 58 is slidably arranged in the fourth groove 60. The sliding direction of the sliding plate 58 is along the diameter direction of the hollow tube 7, and the sliding The side wall of the plate 58 close to the motor housing 3 is provided with a second cleaning felt, the side wall of the fourth groove 60 is provided with a fifth groove 61, and a third groove 61 is slidably arranged in the fifth groove 61. The piston rod 62, the third piston rod 62 extends out of the fifth groove 61 and connects to 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 second telescopic unit The expansion and contraction power output end drives the third piston rod 62 to slide and expand;

The mounting plate 59 is provided with a fifth through hole 64 penetrating through its left and right side walls, one end of the fifth through hole 64 corresponds to the outer wall of the motor housing 3 , and the other end of the fifth through hole 64 can be connected to the first The four through holes 63 are connected, 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, and the height between the upper end surface of the motor housing 3 and the lower end surface of the motor housing 3 The difference is b, the a<b;

The horizontal height of the lowermost fourth through hole 63 is less than or equal to the horizontal height of the upper end surface of the support block 17;

The outer wall cleaning unit also includes a fixed block 89 arranged on the upper end surface of the second closed circular plate 38, the fixed block 89 is located at the rear of the mounting plate 59 along the rotation direction of the rotating shaft 8, and the fixed block 89 is close to the side of the mounting plate 59 A third limiting block 90 is provided on the wall, and the third limiting block 90 corresponds to the fourth limiting groove 91 , and the fourth limiting groove 91 is opened on the side wall of the mounting plate 59 .

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

The second electric telescopic rod 66 is arranged below the mobile trolley 2, and a support 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 in line with the The axes are parallel, the lower end surface of the support plate 88 is provided with a motor 65, the output shaft of the motor 65 is provided with a rotating shaft 8, and the 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 surface of the second sleeve 19, and the other end of the third spring 67 is connected to the lower end surface of the rotating plate 6;

The power unit also includes a number of transmission components in a circular array along the axis of the hollow tube 7, and the transmission components all include a mounting rod 68, a sixth annular cavity 69, a steel wire 70, a sixth through hole 71, 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, and a sixth annular cavity 69 is provided in the mounting rod 68, and the axis of the mounting rod 68 is tangent to the circular section of the hollow tube 7 , the outer wall of the mounting rod 68 is provided with a sixth through hole 71 and a seventh through hole 72, and the sixth through hole 71 and the seventh through hole 72 both pass through the sixth annular cavity 69 and the outer wall of the mounting rod 68;

There is a steel wire 70 in the sixth annular cavity 69, one end of the steel wire 70 passes through the sixth through hole 71 and is connected to the mounting plate 59, and the other end of the steel wire 70 passes through the seventh through hole 72 and is connected to the second through hole 72. Sleeve 19 upper end face.

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

The lower end surface of the rotating plate 6 is coaxially provided with an annular groove 76, and the side wall of the annular groove 76 is rotatably provided with a fourth annular plate 74 closing the annular groove 76. There is a third annular plate 75 and the annular groove 76 is divided into a fourth annular cavity 77 and a fifth annular cavity 78, the lower end surface of the third annular plate 75 is attached to the upper end surface of the fourth annular plate 74; One end of the connecting pipe 73 is connected between the second piston 81 rod 27 and the second sleeve 19 on the second piston 81 barrel 26 and communicates with the second piston 81 barrel 26, and the other end of the first connecting pipe 73 runs through the fourth The upper and lower end surfaces of the annular plate 74 communicate with the fourth annular cavity 77; the lower end surface of the mobile trolley 2 is provided with a cylinder 79, and a chamber 80 is opened in the cylinder 79, and a piston 81 is slidably disposed in the chamber 80. , the chamber 80 below the piston 81 has hydraulic transmission oil, the chamber 80 above the piston 81 is provided with a third electric telescopic rod 82, and the telescopic end of the third electric telescopic rod 82 is connected to a 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 communicates with the chamber 80, and the other end of the second connecting pipe 83 communicates with the fourth annular cavity 77, The second connecting pipe 83 is provided with a first solenoid valve 84 .

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

One end of the third connecting pipe 85 is connected to the mounting plate 59 and communicates with the fifth groove 61 , and the other end of the third connecting pipe 85 passes through the upper and lower end surfaces of the second annular plate 55 and communicates 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 communicates with the chamber 80, and the other end of the fourth connecting pipe 86 communicates with the fifth annular chamber 78. A second solenoid valve 87 is disposed on the fourth connecting pipe 86 .

Working principle: When the inner and outer walls 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, and the second electric telescopic rod 66 is activated to drive the rotating shaft 8 down And make its lower part insert in the second groove 45, thereby drive the second limiting block 48 to insert in the second limiting groove 46, start motor 65 forward rotation, drive the second limiting block 48 to rotate to the third limit by rotating shaft 8 position slot 47, thereby limiting the second closed circular plate 38 on the rotating shaft 8, closing the motor 65, pushing the push rod 52 upward, driving the top block 50 to rise, thereby driving the motor housing 3 to rise, when the motor housing When the lower end surface of 3 is above the upper end surface of the support block 17, start the first electric telescopic rod 12 to drive the annular piston 11 to descend, thereby pushing the first piston rod 15 to extend outward through the hydraulic oil, so that the support block 17 moves outward and drives the roller 18 In contact with the inner wall of the motor housing 3, put the lower end surface of the motor housing 3 on the upper end surface of the support block 17, put down the push rod 52, so that the top block 50 is lowered and reset to move into the third groove 49 , open the first solenoid valve 84 and the second solenoid valve 87, start the third electric telescopic rod 82, and drive the piston 81 to slide down, thereby passing through the first connecting pipe 73, the second connecting pipe 83, the third connecting pipe 85, the first Four connecting pipes 86 drive the sliding plate 58 and the mounting block 28 to move towards the motor housing 3, thereby driving the ball 33 to fit the inner wall of the motor housing 3, so that the first cleaning felt 4 and the motor housing 3 The inner wall fits, and drives the second cleaning felt 5 to fit the outer wall of the motor housing 3, and starts the second electric telescopic rod 66 to drive the second closing circular plate 38 to rise into the hollow tube 7, and the first closing circle The anti-slip protrusion 39 outside the plate 37 fits with the inner wall of the hollow tube 7, the starter motor 65 continues to rotate forward, and the third stopper 90 is driven by the rotating shaft 8 to be inserted into the fourth stopper groove 91, so that it can pass through the mounting plate 59 drives the hollow tube 7 to rotate, and the first closing circular plate 37 makes the first closing circular plate 37 and the second closing circular plate 38 rotate relatively under the effect of the anti-skid protrusion 39, so that the first closing circular plate 37 closes the first closing circular plate 37. filter hole 43, start the second electric telescopic rod 66 to drive the mounting plate 59 up and down through the rotating shaft 8, and the fourth through hole 63 is connected with the fifth through hole 64 when the mounting plate 59 is lifted, so that the cleaning in the second water tank 56 The cleaning agent is sprayed on the outer wall of the motor housing 3 through the second water pipe 57, the fourth through hole 63 and the fifth through hole 64, and the second cleaning felt 5 is driven to the outer wall of the motor housing 3 when the mounting plate 59 is lifted Cleaning, the rotation of the hollow tube 7 passes through the cooperation of some steel wires 70 and the sixth through hole 71 and the seventh through hole 72 on the installation rod 68 to drive the second sleeve 19 to rotate, and the installation plate 59 lifts and passes through the steel wire 70 and the seventh through hole 72. The third spring 67 drives the second sleeve 19 up and down, thereby driving the first cleaning felt 4 up and down, and the cleaning agent in the first water tank 23 cleans the inner wall of the motor housing 3 through the first water pipe 24 and the second through hole 23 simultaneously. Spray cleaning agent, clean the inner wall of the motor housing 3 by the first cleaning felt 4, when the mounting plate 59 lifts, if the inner wall of the motor housing 3 has potholes, because the 35 limit slide bars can rotate and slide , it can ensure that the distance between the installation block 28 and the inner wall of the motor housing 3 is kept consistent, so that the cleaning force of the first cleaning felt 4 on the inner wall of the motor housing 3 is the same, thereby realizing the cleaning of the inner wall of the motor housing 3. The outer wall is cleaned at the same time, and the mobile car 2 is started to drive the motor housing 3 to move along the circular track 1, so that multiple motor housings 3 can be cleaned;

When only the inner wall or outer wall of the motor housing 3 is cleaned, by controlling the opening and closing of the first electromagnetic valve 84 and the second electromagnetic valve 87, the movement of the sliding plate 58 or the mounting block 28 can be controlled, thereby controlling the first cleaning. The felt 4 or the second cleaning felt 5 cleans the inner wall or the outer wall of the motor housing 3 .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention can still be Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention shall fall within the protection scope of the claims of the present invention.

Claims (4)

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).

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