A new energy hollow motor shaft cleaning machine

Abstract

This invention discloses a new energy hollow motor shaft cleaning machine, relating to the field of hollow motor shaft cleaning technology. It includes a cleaning machine and a hollow motor shaft. A simple control terminal is fixedly installed on the outside of the cleaning machine. The cleaning machine is divided into a cleaning chamber and a water chamber from top to bottom. Multiple water passages are designed to face the area outside the cleaning cotton sleeve, ensuring that the cleaning water sprayed from the inner cleaning tube through the water passages exits just outside the cleaning cotton sleeve. Part of the cleaning water is sprayed directly onto the inner wall of the hollow motor shaft for cleaning, while another part falls onto the cleaning cotton sleeve, allowing foreign matter filtered out on the sleeve to flow downwards, thus keeping the cleaning cotton sleeve clean and improving the cleaning effect. The area directly opposite the cleaning cotton sleeve has no water passages, allowing for a greater spray force and better spray effect from the limited number of water passages.

Description

Technical Field

[0001] This invention relates to the field of hollow motor shaft cleaning technology, specifically a new energy hollow motor shaft cleaning machine. Background Technology

[0002] As a core transmission component of new energy vehicle drive motors and industrial servo motors, the cleanliness of the inner and outer walls of the hollow motor shaft directly affects the motor assembly accuracy, bearing fit stability, and overall machine lifespan. During machining, turning, heat treatment, and transportation, the inner wall of the hollow shaft is prone to residual metal chips, oil stains, oxide scale, and dust particles. In actual cleaning, it is often necessary to clean the inner and outer walls of the new energy hollow motor shaft multiple times. Moreover, the interior is difficult to observe and has a narrow space, making it difficult to clean thoroughly.

[0003] Therefore, this invention proposes a new energy hollow motor shaft cleaning machine. Summary of the Invention

[0004] The purpose of this invention is to provide a new energy hollow motor shaft cleaning machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a new energy hollow motor shaft cleaning machine, comprising a cleaning machine and a hollow motor shaft, wherein a simple control terminal is fixedly installed on the outside of the cleaning machine, and the cleaning machine is divided into a cleaning chamber and a water chamber from top to bottom, wherein a lifting component for raising and lowering the hollow motor shaft is provided at the top of the cleaning chamber, and a tensioning component is installed on the lifting component, wherein the hollow motor shaft is located in the cleaning chamber, and an auxiliary component is installed at the bottom of the cleaning chamber; Preferably, the lifting component includes an electric cylinder, a movable frame is fixedly connected to the bottom of the electric cylinder, the movable frame is slidably connected inside the washing machine, a movable plate is fixedly installed at the bottom of the movable frame, and the tensioning component is located at the center of the movable plate.

[0006] Preferably, the tensioning component includes a protective shell, which is fixedly installed at the bottom of the movable plate. A tensioning plate is rotatably connected inside the protective shell. A rectangular opening is provided in the center of the tensioning plate. A rectangular block extends through and is slidably connected to the rectangular opening. A threaded roller is fixedly connected to the upper end of the rectangular block. A screw cylinder extends through and is threadedly connected to the threaded roller. The screw cylinder is fixedly connected to the movable plate. The tensioning plate is circular, and multiple curved grooves are provided in a ring at equal intervals inside the tensioning plate. A zigzag end strip extends through and is movably connected to each curved groove. A tensioning block is fixedly connected to the end of each zigzag end strip away from the curved groove.

[0007] Preferably, a camera is fixedly installed at the center of the bottom of the protective shell. The camera is waterproof and electrically connected to a simple control terminal.

[0008] Preferably, a high-pressure water pump is fixedly installed inside the water tank, and a cleaning inner pipe is fixedly connected to the high-pressure water pump. The cleaning inner pipe is a rigid pipe, and its upper end extends through into the cleaning tank. A cleaning outer pipe is fixedly connected to one end of the cleaning inner pipe near the high-pressure water pump. One side of the cleaning outer pipe extends through into the cleaning tank and is fixedly connected to the cleaning tank. A cleaning short pipe is fixedly connected to the upper end of the cleaning outer pipe. The cleaning short pipe is positioned facing the hollow motor shaft. Multiple water passage holes are opened at the upper end of the cleaning inner pipe.

[0009] Preferably, the auxiliary components include a pulley and a turntable. The pulley is rotatably connected inside the cleaning chamber. A conveyor belt is connected between the pulley and the turntable. A channel for the conveyor belt to pass through is provided on the back of the cleaning chamber. A stepper motor is fixedly installed at the lower end of the turntable. A support plate is fixedly installed at the bottom of the stepper motor. The support plate is fixedly installed on the outer back of the cleaning machine. A protective circular shell is fitted on the outside of the pulley. The pulley is hollow in the middle. A fixing rod is fixedly connected to the hollow side wall of the pulley. There are multiple fixing rods. The multiple fixing rods are arranged in a ring with equal spacing and fixed with annular fixing blocks. There are multiple annular fixing blocks. A cleaning component is provided on the outside of the fixing rods. A protective shell is fixedly installed on the outside of the channel. The turntable is located inside the protective shell. The output shaft of the stepper motor extends through into the protective shell and is sealed and rotatably connected to the protective shell. One end of the stepper motor's output shaft extending into the protective shell is fixedly connected to the turntable. The protective shell can prevent water in the cleaning chamber from spraying out of the channel.

[0010] Preferably, the cleaning component includes a fixing sleeve and a ring block. There are multiple fixing sleeves that are sleeved on the fixing rod. There are multiple ring blocks that correspond one-to-one with the multiple annular fixing blocks. The ring blocks are fixedly connected to the fixing sleeves. A cleaning cotton sleeve is fixedly connected to the outside of each ring block. There are multiple water passage holes on the inner cleaning tube, and the multiple water passage holes face the area outside the cleaning cotton sleeve.

[0011] Preferably, an annular water filter trough is provided on the adjacent sidewalls of the cleaning chamber and the water chamber.

[0012] Preferably, an annular funnel is placed on the annular filter tank, and a coarse filter jacket, a medium filter jacket, and a fine filter jacket are placed in the annular funnel from bottom to top. The coarse filter jacket contains coarse sand, the medium filter jacket contains medium sand, and the fine filter jacket contains fine sand. The fine filter jacket is located in the middle of the annular funnel.

[0013] Preferably, there are multiple outer cleaning tubes, and the multiple outer cleaning tubes are fixedly connected in a ring at equal intervals to the outer wall of the inner cleaning tube. Each outer cleaning tube has a fixedly connected cleaning short tube facing the hollow motor shaft.

[0014] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention features multiple water passages facing the area outside the cleaning cotton sleeve, while the area directly opposite the cleaning cotton sleeve has no water passages. This design ensures that the cleaning water sprayed from the inner cleaning tube through the water passages exits precisely outside the cleaning cotton sleeve. A portion of the cleaning water is sprayed directly onto the inner wall of the hollow motor shaft for cleaning, while the other portion falls onto the cleaning cotton sleeve, allowing any foreign matter filtered out to flow downwards, thus keeping the cleaning cotton sleeve clean and improving the cleaning effect. The absence of water passages in the area directly opposite the cleaning cotton sleeve allows for a greater spray force and better spraying effect from the limited number of water passages. 2. This invention measures the inner and outer diameters of the hollow motor shaft. Based on these diameters, a cleaning component of the corresponding size is attached to the auxiliary component. At this time, the fixing sleeve on the cleaning component is fitted onto the fixing rod of the auxiliary component, so that when cleaning the hollow motor shaft, the cleaning cotton sleeve is in close contact with the inner wall of the hollow motor shaft, achieving the best cleaning effect on the inner wall of the hollow motor shaft. In other words, this device can be used to clean hollow motor shafts of different models and sizes, and has a wide range of applications. 3. In this invention, the hollow motor shaft is sleeved on the expansion block, and then the threaded roller is rotated by the other hand. The threaded roller slowly rotates and moves downward under the action of the screw cylinder. The rectangular block fixedly connected to the bottom of the threaded roller slowly rotates and moves downward, thereby driving the expansion plate to rotate. The curved groove on the expansion plate rotates, while the zigzag end strip with one end inserted into the curved groove cannot rotate due to the limiting effect of the protective shell. Therefore, the longitudinal displacement generated by the rotation of the curved groove forces the zigzag end strip to move outward. The expansion block fixedly connected to the zigzag end strip moves outward, thereby expanding and tightening the inside of the hollow motor shaft. 4. The design of the screw barrel in this invention allows the expansion block to expand and tighten inside the hollow motor shaft, and then stop directly after the threaded roller is released, thus ensuring the expansion force on the hollow motor shaft. The sliding connection between the rectangular opening and the rectangular block is designed so that when the rectangular block drives the expansion plate to rotate and fix the hollow motor shaft, the expansion plate will not move downward when the rectangular block moves downward with the threaded roller, thus overcoming the downward movement caused by the screw barrel. 5. In this invention, the water tank contains a large amount of cleaning water. The high-pressure water pump is started through a simple control terminal. The high-pressure water pump sprays the water in the water tank through the water passage hole on the inner cleaning pipe, thereby cleaning the inner wall of the hollow motor shaft. Part of the water on the inner cleaning pipe is sprayed onto the outer wall of the hollow motor shaft through the outer cleaning pipe and the short cleaning pipe, thereby cleaning the outer wall of the hollow motor shaft. In other words, this device can clean both the inner and outer walls of the hollow motor shaft at the same time, with high cleaning efficiency. 6. This invention controls the stepper motor to start via a simple control terminal. The stepper motor drives the turntable to rotate. The pulley connected to the conveyor belt and turntable rotates. The fixed rod fixedly connected to the pulley rotates. The fixed sleeve and ring block on the fixed rod rotate. The cleaning cotton sleeve fixedly connected to the ring block rotates, thereby cleaning the inner wall of the hollow motor shaft, resulting in a better cleaning effect. 7. By changing the ring-shaped cleaning cotton sleeve to a block shape and distributing it at equal intervals on the ring block, the present invention can allow more and larger foreign objects and impurities to flow down through the gaps between adjacent block-shaped cleaning cotton sleeves. This is suitable for situations where the surface of the hollow motor shaft is dirty or the volume of foreign objects and impurities on the surface is large. 8. In this invention, the cleaning water used for cleaning the inner and outer walls of the hollow motor shaft is ultimately returned to the water tank through an annular filter tank. The design of the coarse, medium, and fine filter jackets in the annular funnel is as follows: the fine filter jacket contains fine sand, which can effectively block foreign objects and impurities washed off the hollow motor shaft in the cleaning water, preventing these foreign objects and impurities from flowing into the water tank; the medium filter jacket contains medium sand, which acts as a transition buffer and guides seepage; and the coarse filter jacket at the bottom can quickly drain water into the water tank and reduce osmotic pressure. In other words, the design of coarse sand-medium sand-fine sand in the annular funnel from bottom to top can effectively block foreign objects and impurities, allowing the cleaning water to return to the water tank cleanly for continued use, so as to realize the recycling of cleaning water, which is more environmentally friendly and has better results. 9. The present invention features a design where the fine filtration sleeve is located in the middle of the annular funnel, meaning that the upper half of the annular funnel is empty. This provides space for foreign matter and impurities to remain, facilitating later cleaning and maintenance. The coarse, medium, and fine filtration sleeves inside the annular funnel are designed as interlocking sleeves, so that during regular cleaning and maintenance, only the annular funnel as a whole needs to be removed, and then the coarse, medium, and fine filtration sleeves can be removed separately, and the foreign matter and impurities remaining on them can be poured out. 10. The present invention has a slope towards the annular filter tank for cleaning by designing the bottom side wall between the outer wall of the annular filter tank and the cleaning chamber. This can promote the flow of cleaning water to the annular filter tank and effectively prevent the cleaning water from overflowing outward, such as into the channel through which the conveyor belt passes. Attached Figure Description

[0015] Figure 1 This is an overall structural diagram of the present invention; Figure 2 This is an overall sectional view of the present invention; Figure 3 This is a rear view of the present invention; Figure 4 This is a side sectional view of the present invention; Figure 5 This is a partial view of the present invention; Figure 6 This is a view showing the relative distribution of the annular fixing block and the fixing rod of the present invention; Figure 7 This is an internal view of the cleaning machine of the present invention; Figure 8 This is a top view of the tensioning plate of the present invention; Figure 9 This is a bottom view of the tensioning plate of the present invention.

[0016] In the picture: 1. Cleaning machine; 11. Simple control terminal; 12. Cleaning chamber; 13. Water tank; 14. Hollow motor shaft; 2. Electric cylinder; 21. Movable frame; 22. Movable plate; 3. Protective shell; 31. Tensioning plate; 32. Threaded roller; 33. Curved groove; 34. Folded end strip; 35. Tensioning plate; 36. Rectangular opening; 37. Rectangular block; 38. Screw barrel; 4. Camera; 5. High-pressure water pump; 51. Inner cleaning tube; 52. Outer cleaning tube 53. Cleaning short pipe; 54. Water passage hole; 6. Pulley; 61. Conveyor belt; 62. Turntable; 63. Stepper motor; 64. Bearing plate; 65. Protective round shell; 66. Annular fixing block; 67. Fixing rod; 68. Protective outer shell; 7. Fixing sleeve; 71. Circular block; 72. Cleaning cotton sleeve; 8. Annular water filter tank; 9. Annular funnel; 91. Coarse water filter sleeve; 92. Medium water filter sleeve; 93. Fine water filter sleeve. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Please see Figures 1 to 9 The present invention provides a technical solution: A new energy hollow motor shaft cleaning machine includes a cleaning machine 1 and a hollow motor shaft 14. A simple control terminal 11 is fixedly installed on the outside of the cleaning machine 1. The cleaning machine 1 is divided into a cleaning chamber 12 and a water chamber 13 from top to bottom. A lifting component for raising and lowering the hollow motor shaft 14 is provided at the top of the cleaning chamber 12. A tensioning component is installed on the lifting component. The hollow motor shaft 14 is located in the cleaning chamber 12. An auxiliary component is installed at the bottom of the cleaning chamber 12.

[0019] As an embodiment of the present invention, as shown in the figure, the lifting component includes an electric cylinder 2, a movable frame 21 is fixedly connected to the bottom of the electric cylinder 2, the movable frame 21 is slidably connected inside the cleaning machine 1, a movable plate 22 is fixedly installed at the bottom of the movable frame 21, and the tensioning component is located at the center of the movable plate 22.

[0020] When in operation, start the electric cylinder 2. The electric cylinder 2 drives the movable frame 21 to move downward in a straight line. The movable plate 22 below the movable frame 21 and the hollow motor shaft 14 fixed by the tensioning parts on the movable plate 22 move downward. The hollow motor shaft 14 eventually extends into the cleaning inner tube 51. Then the door on the cleaning chamber 12 of the cleaning machine 1 is closed.

[0021] As an embodiment of the present invention, as shown in the figure, the tensioning component includes a protective shell 3, which is fixedly installed at the bottom of the movable plate 22. A tensioning plate 31 is rotatably connected inside the protective shell 3. A rectangular opening 36 is provided in the center of the tensioning plate 31. A rectangular block 37 extends through and is slidably connected inside the rectangular opening 36. A threaded roller 32 is fixedly connected to the upper end of the rectangular block 37. A screw cylinder 38 extends through and is threadedly connected to the threaded roller 32. The screw cylinder 38 is fixedly connected to the movable plate 22. The tensioning plate 31 is circular, and multiple curved grooves 33 are provided in a ring at equal intervals inside the tensioning plate 31. A zigzag end strip 34 extends through and is movably connected to each curved groove 33. A tensioning block 35 is fixedly connected to the end of each zigzag end strip 34 away from the curved groove 33. The design of the screw barrel 38 allows the expansion block 35 to expand and tighten the hollow motor shaft 14, and then stop directly after the threaded roller 32 is released, thus ensuring the expansion force on the hollow motor shaft 14. The sliding connection between the rectangular opening 36 and the rectangular block 37 is designed so that when the rectangular block 37 drives the expansion plate 31 to rotate and fix the hollow motor shaft 14, the expansion plate 31 will not move downward when the rectangular block 37 moves downward with the threaded roller 32, thus overcoming the downward movement effect caused by the screw barrel 38.

[0022] During operation, the hollow motor shaft 14 is fitted onto the tensioning block 35. Then, the threaded roller 32 is rotated with the other hand. Under the action of the screw cylinder 38, the threaded roller 32 slowly rotates and moves downward. The rectangular block 37 fixedly connected to the bottom of the threaded roller 32 slowly rotates and moves downward, thereby driving the tensioning plate 31 to rotate. The curved groove 33 on the tensioning plate 31 rotates, while the zigzag end strip 34, which extends into the curved groove 33, cannot rotate due to the limiting effect of the protective shell 3. Therefore, the longitudinal displacement generated by the rotation of the curved groove 33 forces the zigzag end strip 34 to move outward. The tensioning block 35 fixedly connected to the zigzag end strip 34 moves outward, thereby tightening the inside of the hollow motor shaft 14.

[0023] As an embodiment of the present invention, as shown in the figure, a camera 4 is fixedly installed at the bottom center of the protective shell 3. The camera 4 is waterproof and is electrically connected to the simple control terminal 11.

[0024] During operation, the design of camera 4 allows for real-time observation of the cleaning process of the hollow motor shaft 14.

[0025] As an embodiment of the present invention, as shown in the figure, a high-pressure water pump 5 is fixedly installed inside the water tank 13. A cleaning inner pipe 51 is fixedly connected to the high-pressure water pump 5. The cleaning inner pipe 51 is a rigid pipe, and its upper end extends through into the cleaning chamber 12. A cleaning outer pipe 52 is fixedly connected to one end of the cleaning inner pipe 51 near the high-pressure water pump 5. The lower end of the cleaning outer pipe 52 extends through into the cleaning chamber 12 and is fixedly connected to the cleaning chamber 12. A cleaning short pipe 53 is fixedly connected to the upper end of the cleaning outer pipe 52. The cleaning short pipe 53 is arranged facing the hollow motor shaft 14. A plurality of water passage holes 54 are opened at the upper end of the cleaning inner pipe 51.

[0026] During operation, the water tank 13 contains a large amount of cleaning water. The high-pressure water pump 5 is started through the simple control terminal 11. The high-pressure water pump 5 sprays the water in the water tank 13 through the water passage hole 54 on the inner cleaning pipe 51, thereby cleaning the inner wall of the hollow motor shaft 14. Some of the water on the inner cleaning pipe 51 is sprayed onto the outer wall of the hollow motor shaft 14 through the outer cleaning pipe 52 and the short cleaning pipe 53, thereby cleaning the outer wall of the hollow motor shaft 14. In other words, this device can clean both the inner and outer walls of the hollow motor shaft 14 at the same time, with high cleaning efficiency.

[0027] As shown in the figure, in one embodiment of the present invention, the auxiliary component includes a pulley 6 and a turntable 62. The pulley 6 is rotatably connected inside the cleaning chamber 12. A conveyor belt 61 is connected between the pulley 6 and the turntable 62. A channel for the conveyor belt 61 to pass through is opened on the back of the cleaning chamber 12. A stepper motor 63 is fixedly installed at the lower end of the turntable 62. A support plate 64 is fixedly installed at the bottom of the stepper motor 63. The support plate 64 is fixedly installed on the back of the outer side of the cleaning machine 1. A protective circular shell 65 is sleeved on the outer side of the pulley 6. The middle part of the pulley 6 is hollow. A protective shell 65 is fixed on the hollow side wall of the pulley 6. A fixed rod 67 is fixedly connected to the channel. There are multiple fixed rods 67, which are arranged in a ring at equal intervals and fixed to a ring-shaped fixing block 66. There are multiple ring-shaped fixing blocks 66. A cleaning component is provided on the outside of the fixed rod 67. A protective shell 68 is fixedly installed on the outside of the channel. The turntable 62 is located inside the protective shell 68. The output shaft of the stepper motor 63 extends through into the protective shell 68 and is sealed and rotatably connected to the protective shell 68. One end of the output shaft of the stepper motor 63 extending into the protective shell 68 is fixedly connected to the turntable 62. The protective shell 68 can prevent water in the cleaning chamber 12 from spraying out of the channel.

[0028] The cleaning component includes a fixing sleeve 7 and an annular blocks 71. There are multiple fixing sleeves 7 and they are sleeved on the fixing rod 67. There are multiple annular blocks 71 and they correspond one-to-one with multiple annular fixing blocks 66. The annular blocks 71 are fixedly connected to the fixing sleeves 7. A cleaning cotton sleeve 72 is fixedly connected to the outside of each annular block 71. There are multiple water passage holes 54 on the inner cleaning tube 51, and the multiple water passage holes 54 face the area outside the cleaning cotton sleeve 72. Multiple outer cleaning tubes 52 are fixedly connected in a ring at equal intervals to the outer wall of the inner cleaning tube 51. Each outer cleaning tube 52 has a fixedly connected cleaning short tube 53 facing the hollow motor shaft 14.

[0029] During operation, the inner and outer diameters of the hollow motor shaft 14 are measured. Based on the inner and outer diameters of the hollow motor shaft 14, a cleaning component of the corresponding size is attached to the auxiliary component. At this time, the fixing sleeve 7 on the cleaning component is fitted onto the fixing rod 67 of the auxiliary component, so that when cleaning the hollow motor shaft 14, the cleaning cotton sleeve 72 is just in contact with the inner wall of the hollow motor shaft 14, so as to achieve the best cleaning effect on the inner wall of the hollow motor shaft 14. In other words, this device can be used to clean hollow motor shafts 14 of different models and sizes, and has a wide range of applications. The stepper motor 63 is started by controlling the simple control terminal 11. The stepper motor 63 drives the turntable 62 to rotate. The pulley 6, which is connected to the conveyor belt 61 and the turntable 62, rotates. The fixed rod 67, which is fixedly connected to the pulley 6, rotates. The fixed sleeve 7 and the ring block 71 on the fixed rod 67 rotate. The cleaning cotton sleeve 72, which is fixedly connected to the ring block 71, rotates, thereby cleaning the inner wall of the hollow motor shaft 14, resulting in a better cleaning effect. Multiple water passages 54 face the area outside the cleaning cotton sleeve 72, while the area directly facing the cleaning cotton sleeve 72 has no water passages 54. This design, with multiple water passages 54 facing the area outside the cleaning cotton sleeve 72, ensures that the cleaning water sprayed from the inner cleaning tube 51 through the water passages 54 exits just outside the cleaning cotton sleeve 72. Part of the cleaning water is sprayed directly onto the inner wall of the hollow motor shaft 14 to clean it, while the other part falls onto the cleaning cotton sleeve 72, allowing foreign matter and impurities filtered out of the cleaning cotton sleeve 72 to flow downwards, thus keeping the cleaning cotton sleeve 72 clean and improving the cleaning effect. The design, with no water passages 54 in the area directly facing the cleaning cotton sleeve 72, allows for a greater spray force and better spray effect from the limited number of water passages 54. Furthermore, the annular cleaning cotton sleeve 72 can be replaced with block-shaped ones, which are evenly distributed on the annular block 71. This allows more and larger foreign objects and impurities to flow down through the gaps between adjacent block-shaped cleaning cotton sleeves 72. This is suitable for situations where the surface of the hollow motor shaft 14 is heavily soiled or has large foreign objects and impurities.

[0030] As an embodiment of the present invention, as shown in the figure, an annular water filter trough 8 is provided on the adjacent side walls of the cleaning chamber 12 and the water chamber 13.

[0031] An annular funnel 9 is placed on the annular water filter tank 8. From bottom to top, a coarse water filter jacket 91, a medium water filter jacket 92, and a fine water filter jacket 93 are placed in the annular funnel 9. The coarse water filter jacket 91 contains coarse sand, the medium water filter jacket 92 contains medium sand, and the fine water filter jacket 93 contains fine sand. The fine water filter jacket 93 is located in the middle of the annular funnel 9.

[0032] During operation, the cleaning water used to clean the inner and outer walls of the hollow motor shaft 14 is ultimately returned to the water tank 13 through the annular filter tank 8. The annular funnel 9 is designed with coarse filter sleeve 91, medium filter sleeve 92, and fine filter sleeve 93. The fine filter sleeve 93 contains fine sand, which can effectively block foreign objects and impurities washed off the hollow motor shaft 14 in the cleaning water, preventing these foreign objects and impurities from flowing into the water tank 13. The medium filter sleeve 92 contains medium sand, which acts as a transition buffer and guides seepage. The coarse filter sleeve 91 at the bottom can quickly drain water into the water tank 13 and reduce seepage pressure. In other words, the design of coarse sand-medium sand-fine sand in the annular funnel 9 from bottom to top can effectively block foreign objects and impurities, allowing the cleaning water to return to the water tank 13 cleanly for continued use, so as to realize the recycling of cleaning water, which is more environmentally friendly and has better results. The fine filtration sleeve 93 is located in the middle of the annular funnel 9. This means that the upper part of the annular funnel 9 is empty, which provides space for foreign matter and impurities to remain, making it easier to clean and maintain later. The coarse filtration sleeve 91, medium filtration sleeve 92 and fine filtration sleeve 93 inside the annular funnel 9 are designed as a sleeve, so that when cleaning and maintaining later, you only need to take out the annular funnel 9 as a whole, and then take out the coarse filtration sleeve 91, medium filtration sleeve 92 and fine filtration sleeve 93 separately, and then pour out the foreign matter and impurities stored on them. Furthermore, the bottom sidewall between the outer wall of the annular filter tank 8 and the cleaning chamber 12 is designed with a slope towards the annular filter tank 8 for cleaning. This can promote the flow of cleaning water to the annular filter tank 8 and effectively prevent the cleaning water from overflowing outwards, such as into the channel through which the conveyor belt 61 passes.

[0033] Working principle: During operation, the inner and outer diameters of the hollow motor shaft 14 are measured. Based on the inner and outer diameters of the hollow motor shaft 14, a cleaning component of the corresponding size is attached to the auxiliary component. At this time, the fixing sleeve 7 on the cleaning component is fitted onto the fixing rod 67 of the auxiliary component, so that when cleaning the hollow motor shaft 14, the cleaning cotton sleeve 72 is just in contact with the inner wall of the hollow motor shaft 14, so as to achieve the best cleaning effect on the inner wall of the hollow motor shaft 14. In other words, this device can be used to clean hollow motor shafts 14 of different models and sizes, and has a wide range of applications. The hollow motor shaft 14 is fitted onto the expansion block 35. Then, the threaded roller 32 is rotated with the other hand. The threaded roller 32 slowly rotates and moves downward under the action of the screw cylinder 38. The rectangular block 37 fixedly connected to the bottom of the threaded roller 32 slowly rotates and moves downward, thereby driving the expansion plate 31 to rotate. The curved groove 33 on the expansion plate 31 rotates, while the zigzag end strip 34, which extends into the curved groove 33, cannot rotate due to the limiting action of the protective shell 3. Therefore, the longitudinal displacement generated by the rotation of the curved groove 33 forces the zigzag end strip 34 to move outward. The expansion block 35 fixedly connected to the zigzag end strip 34 moves outward, thereby tightening the inside of the hollow motor shaft 14. The design of the screw barrel 38 allows the expansion block 35 to expand and tighten inside the hollow motor shaft 14, and then stop directly after the threaded roller 32 is released, so as to ensure the expansion force on the hollow motor shaft 14. The sliding connection between the rectangular opening 36 and the rectangular block 37 is designed so that when the rectangular block 37 drives the expansion plate 31 to rotate and fix the hollow motor shaft 14, the expansion plate 31 will not move downward when the rectangular block 37 moves downward with the threaded roller 32, thus overcoming the downward movement effect caused by the screw barrel 38. Start the electric cylinder 2. The electric cylinder 2 drives the movable frame 21 to move downward in a straight line. The movable plate 22 below the movable frame 21 and the hollow motor shaft 14 fixed by the tensioning parts on the movable plate 22 move downward. The hollow motor shaft 14 finally extends into the cleaning inner tube 51. At this time, the cleaning cotton sleeve 72 just fits against the inner wall of the hollow motor shaft 14. Then close the door on the cleaning chamber 12 of the cleaning machine 1. The water tank 13 contains a large amount of cleaning water. The high-pressure water pump 5 is started through the simple control terminal 11. The high-pressure water pump 5 sprays the water in the water tank 13 through the water passage hole 54 on the inner cleaning pipe 51, thereby cleaning the inner wall of the hollow motor shaft 14. Part of the water on the inner cleaning pipe 51 is sprayed onto the outer wall of the hollow motor shaft 14 through the outer cleaning pipe 52 and the short cleaning pipe 53, thereby cleaning the outer wall of the hollow motor shaft 14. In other words, this device can clean both the inner and outer walls of the hollow motor shaft 14 at the same time, with high cleaning efficiency. The stepper motor 63 is started by controlling the simple control terminal 11. The stepper motor 63 drives the turntable 62 to rotate. The pulley 6, which is connected to the conveyor belt 61 and the turntable 62, rotates. The fixed rod 67, which is fixedly connected to the pulley 6, rotates. The fixed sleeve 7 and the ring block 71 on the fixed rod 67 rotate. The cleaning cotton sleeve 72, which is fixedly connected to the ring block 71, rotates, thereby cleaning the inner wall of the hollow motor shaft 14, resulting in a better cleaning effect. Multiple water passages 54 face the area outside the cleaning cotton sleeve 72, while the area directly facing the cleaning cotton sleeve 72 has no water passages 54. This design, with multiple water passages 54 facing the area outside the cleaning cotton sleeve 72, ensures that the cleaning water sprayed from the inner cleaning tube 51 through the water passages 54 exits just outside the cleaning cotton sleeve 72. Part of the cleaning water is sprayed directly onto the inner wall of the hollow motor shaft 14 to clean it, while the other part falls onto the cleaning cotton sleeve 72, allowing foreign matter and impurities filtered out of the cleaning cotton sleeve 72 to flow downwards, thus keeping the cleaning cotton sleeve 72 clean and improving the cleaning effect. The design, with no water passages 54 in the area directly facing the cleaning cotton sleeve 72, allows for a greater spray force and better spray effect from the limited number of water passages 54. Furthermore, the annular cleaning cotton sleeve 72 can be changed to a block shape and evenly distributed on the annular block 71. This allows more and larger foreign objects and impurities to flow down through the gaps between adjacent block-shaped cleaning cotton sleeves 72. This is suitable for situations where the surface of the hollow motor shaft 14 is dirty or the volume of foreign objects and impurities on the surface is large. The cleaning water used for cleaning the inner and outer walls of the hollow motor shaft 14 is ultimately returned to the water tank 13 through the annular filter tank 8. The design of the coarse filter sleeve 91, medium filter sleeve 92, and fine filter sleeve 93 in the annular funnel 9 is as follows: the fine filter sleeve 93 contains fine sand, which can effectively block foreign objects and impurities washed off the hollow motor shaft 14 in the cleaning water, preventing these foreign objects and impurities from flowing into the water tank 13; the medium filter sleeve 92 contains medium sand, which acts as a transition buffer and guides seepage; and the coarse filter sleeve 91 at the bottom can quickly drain water into the water tank 13, reducing seepage pressure. In other words, the design of coarse sand-medium sand-fine sand in the annular funnel 9 from bottom to top can effectively block foreign objects and impurities, allowing the cleaning water to return cleanly to the water tank 13 for continued use, so as to realize the recycling of cleaning water, which is more environmentally friendly and has better results. The fine filtration sleeve 93 is located in the middle of the annular funnel 9. This means that the upper part of the annular funnel 9 is empty, which provides space for foreign matter and impurities to remain, making it easier to clean and maintain later. The coarse filtration sleeve 91, medium filtration sleeve 92 and fine filtration sleeve 93 inside the annular funnel 9 are designed as a sleeve, so that when cleaning and maintaining later, you only need to take out the annular funnel 9 as a whole, and then take out the coarse filtration sleeve 91, medium filtration sleeve 92 and fine filtration sleeve 93 separately, and then pour out the foreign matter and impurities stored on them. Furthermore, the bottom sidewall between the outer wall of the annular filter tank 8 and the cleaning chamber 12 is designed with a slope towards the annular filter tank 8 for cleaning. This can promote the flow of cleaning water to the annular filter tank 8 and effectively prevent the cleaning water from overflowing outwards, such as overflowing into the channel through which the conveyor belt 61 passes. The design of camera 4 allows for real-time observation of the cleaning process of the hollow motor shaft 14; After cleaning, stop the machine first, then turn the hollow motor shaft 14 in the opposite direction, and then perform a second cleaning as described above for better cleaning results.

[0034] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A new energy hollow motor shaft cleaning machine, comprising a cleaning machine (1) and a hollow motor shaft (14), characterized in that: The cleaning machine (1) is fixedly installed with a simple control terminal (11) on the outside. The cleaning machine (1) is divided into a cleaning chamber (12) and a water chamber (13) from top to bottom. The top of the cleaning chamber (12) is provided with a lifting component for raising and lowering the hollow motor shaft (14). The lifting component is equipped with a tensioning component. The hollow motor shaft (14) is located inside the cleaning chamber (12). The bottom of the cleaning chamber (12) is equipped with an auxiliary component.

2. The new energy hollow motor shaft cleaning machine according to claim 1, characterized in that: The lifting component includes an electric cylinder (2), and a movable frame (21) is fixedly connected to the bottom of the electric cylinder (2). The movable frame (21) is slidably connected inside the cleaning machine (1). A movable plate (22) is fixedly installed at the bottom of the movable frame (21), and the tensioning component is located at the center of the movable plate (22).

3. A new energy hollow motor shaft cleaning machine according to claim 2, characterized in that: The expansion member includes a protective shell (3), which is fixedly installed at the bottom of the movable plate (22). An expansion plate (31) is rotatably connected inside the protective shell (3). A rectangular opening (36) is provided in the center of the expansion plate (31). A rectangular block (37) extends through and is slidably connected inside the rectangular opening (36). A threaded roller (32) is fixedly connected to the upper end of the rectangular block (37). A screw cylinder (38) extends through and is threadedly connected to the threaded roller (32). The screw cylinder (38) is fixedly connected to the movable plate (22). The expansion plate (31) is circular, and multiple curved grooves (33) are provided in a ring at equal intervals inside the expansion plate (31). A zigzag end strip (34) extends through and is movably connected inside each curved groove (33). An expansion block (35) is fixedly connected to the end of each zigzag end strip (34) away from the curved groove (33).

4. A new energy hollow motor shaft cleaning machine according to claim 3, characterized in that: A camera (4) is fixedly installed at the bottom center of the protective shell (3). The camera (4) is waterproof and is electrically connected to the simple control terminal (11).

5. A new energy hollow motor shaft cleaning machine according to claim 4, characterized in that: A high-pressure water pump (5) is fixedly installed inside the water tank (13). A cleaning inner pipe (51) is fixedly connected to the high-pressure water pump (5). The cleaning inner pipe (51) is a rigid pipe, and the upper end of the cleaning inner pipe (51) extends through into the cleaning tank (12). A cleaning outer pipe (52) is fixedly connected to one end of the cleaning inner pipe (51) near the high-pressure water pump (5). The lower end of the cleaning outer pipe (52) extends through into the cleaning tank (12) and is fixedly connected to the cleaning tank (12). A cleaning short pipe (53) is fixedly connected to the upper end of the cleaning outer pipe (52). The cleaning short pipe (53) is set towards the side of the hollow motor shaft (14). Multiple water passage holes (54) are opened at the upper end of the cleaning inner pipe (51).

6. A new energy hollow motor shaft cleaning machine according to claim 5, characterized in that: The auxiliary components include a pulley (6) and a turntable (62). The pulley (6) is rotatably connected inside the cleaning chamber (12). A conveyor belt (61) is connected between the pulley (6) and the turntable (62). A channel for the conveyor belt (61) to pass through is provided on the back of the cleaning chamber (12). A stepper motor (63) is fixedly installed at the lower end of the turntable (62). A support plate (64) is fixedly installed at the bottom of the stepper motor (63). The support plate (64) is fixedly installed on the back of the outer side of the cleaning machine (1). A protective round shell (65) is fitted on the outer side of the pulley (6). The middle part of the pulley (6) is hollow. A fixing rod is fixedly connected to the hollow side wall of the pulley (6). (67), there are multiple fixing rods (67), and multiple fixing rods (67) are arranged in a ring with equal spacing and fixed with ring fixing blocks (66). There are multiple ring fixing blocks (66). A cleaning component is provided on the outside of the fixing rods (67). A protective shell (68) is fixedly installed on the outside of the channel. The turntable (62) is located inside the protective shell (68). The output shaft of the stepper motor (63) extends through into the protective shell (68) and is sealed and rotatably connected to the protective shell (68). One end of the output shaft of the stepper motor (63) extends into the protective shell (68) and is fixedly connected to the turntable (62). The protective shell (68) can prevent water in the cleaning chamber (12) from spraying out of the channel.

7. A new energy hollow motor shaft cleaning machine according to claim 6, characterized in that: The cleaning component includes a fixed sleeve (7) and a ring block (71). There are multiple fixed sleeves (7) and they are sleeved on the fixed rod (67). There are multiple ring blocks (71) and they correspond one-to-one with multiple ring fixed blocks (66). The ring blocks (71) are fixedly connected to the fixed sleeve (7). A cleaning cotton sleeve (72) is fixedly connected to the outside of each ring block (71). There are multiple water holes (54) on the inner cleaning tube (51), and the multiple water holes (54) face the area outside the cleaning cotton sleeve (72).

8. A new energy hollow motor shaft cleaning machine according to claim 7, characterized in that: The cleaning chamber (12) and the water chamber (13) have annular filter tanks (8) on their adjacent side walls.

9. A new energy hollow motor shaft cleaning machine according to claim 8, characterized in that: An annular funnel (9) is placed on the annular filter tank (8). From bottom to top, a coarse filter jacket (91), a medium filter jacket (92), and a fine filter jacket (93) are placed in the annular funnel (9). The coarse filter jacket (91) contains coarse sand, the medium filter jacket (92) contains medium sand, and the fine filter jacket (93) contains fine sand. The fine filter jacket (93) is located in the middle of the annular funnel (9).

10. A new energy hollow motor shaft cleaning machine according to claim 5, characterized in that: Multiple cleaning outer tubes (52) are connected in a ring at equal intervals to the outer wall of the cleaning inner tube (51). Each cleaning outer tube (52) has a cleaning short tube (53) fixedly connected to it, which is positioned toward the hollow motor shaft (14).

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