Double-layer sealing device of speed reducer output shaft and sealing performance detection method

By designing a double -layer sealing device, the dual sealing method of the sealing oil and seal layer is used to solve the problem of decreased sealing performance during transportation during transportation, and realize the steady storage of the output shaft and the long -term reliable operation of the equipment.

CN119333575AActive Publication Date: 2025-01-21CHANGZHOU MICAWAY MASCH MFG CO LTD
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Patent Information

Application Number
CN202411902355.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-01-21
Estimated Expiration
2044-12-23

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    Figure CN119333575A_ABST
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Abstract

The invention discloses a double-layer sealing device of a speed reducer output shaft and a sealing performance detection method, and relates to the technical field of speed reducer output shaft sealing.The double-layer sealing device comprises a base metal frame, first ground rails are symmetrically and fixedly installed on the two sides of the top of the base metal frame, a sealing frame is slidably connected to the first ground rails, and a storage bin is fixedly installed on the top of the sealing frame; a chassis base is fixedly mounted at the top of a storage bin, a sealing bin is detachably mounted at the top of the chassis base in an embedded mode, a first intelligent valve is arranged in the middle area of the bottom of the sealing bin, a plurality of first pumps are arranged at the top of the storage bin, and the first pumps are correspondingly matched with the first intelligent valve of the sealing bin in a calibration mode; the sealing cylinder is divided into a single cylinder and a double cylinder, the sealing performance of the output shaft is improved, and it is ensured that the output shaft is stably stored in the transportation process.
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Description

Technical Field

[0001] The invention relates to the technical field of reducer output shaft sealing, in particular to a double-layer sealing device of a reducer output shaft and a sealing detection method. Background Art

[0002] In modern industry, reducers are an important part of the transmission system and are widely used in various mechanical equipment. The output shaft of the reducer is a key component of power transmission, and its sealing performance directly affects the operating efficiency and reliability of the whole machine. After processing, some of the output shaft of the reducer can be directly installed on the reducer, while more parts need to be processed twice and installed in combination with different types of reducers; The output shaft of the reducer needs to be properly protected during transportation to ensure that its accuracy, performance and life are not damaged. There are different types of harsh environments during transportation. Especially in long-distance and complex transportation methods such as sea transportation, the output shaft may be affected by various adverse factors such as vibration, corrosion, humidity changes, etc., which makes the output shaft vulnerable to damage. Therefore, it is particularly important to design a sea transportation storage device specifically for the output shaft of the reducer. Summary of the invention

[0003] The object of the present invention is to provide a double-layer sealing device for a reducer output shaft and a sealing detection method to solve the problems raised in the above background technology.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a double-layer sealing device for a reducer output shaft, comprising a base metal frame, first ground rails are symmetrically fixedly installed on both sides of the top of the base metal frame, a sealing frame is slidably connected to the first ground rails, a storage bin is fixedly installed on the top of the sealing frame, a chassis seat is fixedly installed on the top of the storage bin, a sealing bin is embedded and detachably installed on the top of the chassis seat, a first intelligent valve is arranged in the middle area at the bottom of the sealing bin, a plurality of first pumps are arranged on the top of the storage bin, and the first pumps are calibrated to correspond to the first intelligent valves of the sealing bin.

[0005] According to the above technical solution, a number of sealing cylinders are fixedly installed in the sealing chamber, and the sealing cylinders are divided into single cylinders and double cylinders; A plurality of guide holes are arranged in sequence from top to bottom on the side wall of the sealing cylinder.

[0006] According to the above technical solution, a second ground rail is arranged on one side of the base metal frame, and a transport bin is slidably connected to the second ground rail. A casing is arranged in the transport bin, and a second pump and a third pump are arranged in the casing.

[0007] According to the above technical solution, a first conduit extending from the second pump is provided, and the first conduit is connected to the side wall of the storage bin.

[0008] According to the above technical solution, a base is arranged on one side of the base metal frame, a retractable structure is arranged on the top of the base, a first motor is fixedly installed on the end of the retractable structure, a first support rod is fixedly installed on the output end of the first motor, a support block is fixedly installed on the end area of ​​the first support rod, and a first electromagnet and a second electromagnet are arranged at the bottom of the support block.

[0009] According to the above technical solution, the first lifting rod is fixedly installed on the top of the telescopic structure, the first connecting rod is fixedly installed on the top of the first lifting rod, the end area of ​​the first connecting rod is fixedly installed on the oil removal bin, the second conduit is arranged on the top of the oil removal bin, and the second conduit is connected to the third pump.

[0010] According to the above technical solution, a first connecting pipe is arranged on the inner wall of the oil removal bin, the end pipe of the first connecting pipe is connected to the telescopic pipe, a scraper is arranged at the end of the telescopic pipe, a built-in annular pipe is arranged inside the scraper, the built-in annular pipe pipe is connected to the second connecting pipe, a suction hole is arranged at the end of the second connecting pipe, the pipe on the first connecting pipe is connected to the third connecting pipe, and the third connecting pipe extends to be connected to the second conduit pipe.

[0011] According to the above technical solution, a second support rod is fixedly installed on the side wall of the telescopic structure, a second connecting rod is fixedly installed on the end of the second support rod, a second motor is fixedly installed on the end of the second connecting rod, a side plate is fixedly installed on the output end of the second motor, and a first reel, a second reel, a third reel, and a fourth reel are symmetrically arranged at both ends of the side wall surface of the side plate.

[0012] According to the above technical solution, the second lifting rods are fixedly installed on the top and bottom of the side plate respectively, and the pressure plate is fixedly installed on the end of the second lifting rod.

[0013] According to the above technical solution, a camera assembly is arranged in the middle area of ​​the side wall of the side plate.

[0014] Compared with the prior art, the beneficial effect achieved by the present invention is as follows: the present invention, by providing four reels and a sealing bin, the first reel, the second reel, the third reel, and the fourth reel rotate, so that the unused sealing layer moves to the upper and lower parts of the output shaft, and then the second lifting rod moves to drive the pressure plate to move, and then pushes the sealing film close to the output shaft, so that the sealing layer adheres to the surface of the output shaft, and after the sealing layer on the output shaft is completely adhered, the output shaft is placed back into the original sealing cylinder. At this time, the surface of the output shaft is adhered to sealing oil, and the sealing layer is adhered to the sealing oil. Through the above-mentioned double sealing method, the sealing performance of the output shaft is improved, ensuring that the output shaft is safely preserved during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 is a schematic diagram of the three-dimensional structure of the back side of the device of the present invention; Figure 3 It is a schematic diagram of the top view of the structure of the device of the present invention; Figure 4 It is a schematic diagram of the front structure of the device of the present invention; Figure 5 It is a schematic diagram of the overall three-dimensional structure of the sealed chamber of the present invention; Figure 6 It is a schematic diagram of the internal structure of the sealed chamber of the present invention; Figure 7 is a schematic diagram of a support block of the present invention; Figure 8 It is a schematic diagram of the double-barrel structure of the present invention; Fig. 9 It is a schematic diagram of four reels of the present invention; Fig.10 is a schematic diagram of the oil removal bin of the present invention; Fig.11 It is a schematic diagram of a scraper of the present invention; Fig.12 It is a schematic diagram of the sealing layer, carrier layer, output shaft and reel of the present invention, and the arrow indicates the moving direction of the pressing plate; In the figure: 1, base metal frame; 2, first ground rail; 3, sealing frame; 4, first drive assembly; 5, storage bin; 6, chassis base; 7, sealing bin; 8, first intelligent valve; 9, first pump; 10, sealing cylinder; 11, guide hole; 12, second ground rail; 13, transport bin; 14, second drive assembly; 15, casing; 16, second pump; 17, third pump; 18, first conduit; 19, base; 20, telescopic structure; 21, first motor; 22, first support rod; 23, first electromagnet; 24, support block; 25 , second electromagnet; 26, first lifting rod; 27, first connecting rod; 28, oil removal bin; 29, second guide tube; 30, first connecting pipe; 31, telescopic pipe; 32, scraper; 33, second connecting pipe; 34, suction hole; 35, third connecting pipe; 36, ring pipe; 37, second support rod; 38, second motor; 39, side plate; 40, first reel; 41, second reel; 42, third reel; 43, fourth reel; 44, second lifting rod; 45, pressure plate; 46, mechanical arm; 47, camera assembly; 48, second connecting rod. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-12 The present invention provides a technical solution: a double-layer sealing device for a reducer output shaft, comprising a base metal frame 1, first ground rails 2 are symmetrically fixedly installed on both sides of the top of the base metal frame 1, a sealing frame 3 is slidably connected to the first ground rail 2, and the sealing frame 3 is connected to a first driving component 4 arranged on the top of the base metal frame 1. The first driving component 4 provides energy for the movement of the sealing frame 3 on the first ground rail 2, and then drives the output shaft to be sealed to move. The sealing frame 3 moves on the first ground rail 2 to load the output shaft in a preset area, and can also move to a preset area to perform an output shaft sealing process; A storage bin 5 is fixedly installed on the top of the sealing frame 3. The storage bin 5 is used to fill sealing oil. A plurality of chassis seats 6 are fixedly installed on the top of the storage bin 5. A sealing bin 7 is embedded and detachably installed on the top of the chassis seat 6. A first intelligent valve 8 is arranged in the middle area at the bottom of the sealing bin 7. A plurality of first pumps 9 are arranged on the top of the storage bin 5. Each first pump 9 is calibrated and matched with a first intelligent valve 8 of a sealing bin 7. The first pump 9 pumps the sealing oil filled in the storage bin 5 into the sealing bin 7 through the first intelligent valve 8, so that the sealing bin 7 is filled with the sealing oil, and the surface of the output shaft is wetted and coated with the sealing oil. Several sealing cylinders 10 are fixedly installed in the sealing chamber 7. The top of the sealing cylinder 10 is uncovered, and the sealing cylinder 10 is divided into a single cylinder and a double cylinder. The single cylinder is used to place one output shaft, and the double cylinder is used to place two output shafts. The single cylinder and the double cylinder can be installed in the same sealing chamber 7 at the same time. Several guide holes 11 are arranged on the side wall of the sealing cylinder 10 from top to bottom. The sealing oil enters the sealing cylinder 10 from the sealing chamber 7 through the guide holes 11, and finally achieves the effect of infiltrating and coating the output shaft; Some reducers are equipped with two output shafts, and the double-barrel setting can seal the output shafts of the same specification together; A second ground rail 12 is provided on one side of the base metal frame 1, and a transport bin 13 is slidably connected to the second ground rail 12. Sealing oil is carried in the transport bin 13, and the transport bin 13 is connected to a second driving assembly 14 provided at the end of the second ground rail 12. The second driving assembly 14 provides energy for the movement of the transport bin 13 on the second ground rail 12, thereby achieving the purpose of synchronous movement of the transport bin 13 and the sealing frame 3, so that the sealing oil is transported during the movement of the sealing frame 3, thereby improving the sealing oil delivery speed and the sealing speed of the output shaft; A casing 15 is provided in the transport bin 13, and a second pump 16 and a third pump 17 are provided in the casing 15, wherein a first conduit 18 extending from the second pump 16 is provided, and the first conduit 18 is connected to the side wall of the storage bin 5, and the second pump 16 transports the sealing oil in the transport bin 13 to the storage bin 5 through the first conduit 18, and then completes the filling of the sealing oil in the storage bin 5; A base 19 is provided on one side of the base metal frame 1, and a retractable structure 20 is provided on the top of the base 19. The retractable structure 20 may be a retractable rod, and a first motor 21 is fixedly installed on the end of the retractable structure 20. A first support rod 22 is fixedly installed on the output end of the first motor 21. The first support rod 22 is a retractable component, and in this embodiment, it may be a retractable rod. A support block 24 is fixedly installed on the end area of ​​the first support rod 22, and a first electromagnet 23 and a second electromagnet 25 are provided at the bottom of the support block 24. The electromagnet is a prior art structure, and its function is to adsorb the output shaft; The specifications of the first electromagnet 23 and the second electromagnet 25 are consistent with those of the sealing cylinder 10, and the PLC program is preset to realize the single adsorption of one output shaft or two output shafts, and then the corresponding single cylinder and double cylinder; The movement process of the first electromagnet 23 and the second electromagnet 25 is controlled by the movement of the sealing frame 3 on the first ground rail 2, the lifting and lowering of the telescopic structure 20, and the telescopic movement of the first support rod 22, so that the first electromagnet 23 and the second electromagnet 25 can adsorb all the output shafts in the sealing chamber 7. If one output shaft is adsorbed at a time, it is only necessary to drive the first electromagnet 23. If two output shafts are adsorbed at a time, it is necessary to drive the first electromagnet 23 and the second electromagnet 25 at the same time. The above process realizes the process of adsorbing and fixing the output shaft; The telescopic structure 20 moves up and down to drive the first motor 21 to move up and down, the first motor 21 moves up and down to drive the first support rod 22 to move up and down, the first support rod 22 moves up and down to drive the support block 24 to move up and down, the support block 24 moves up and down to drive the first electromagnet 23 and the second electromagnet 25 to move up and down, and the above process controls the distance between the first electromagnet 23 and the second electromagnet 25 and the sealing chamber 7; The operation of the first motor 21 drives the first support rod 22 to rotate, the rotation of the first support rod 22 drives the support block 24 to rotate, the rotation of the support block 24 drives the first electromagnet 23 and the second electromagnet 25 to rotate, and then the angle of the output shaft adsorbed on the first electromagnet 23 and the second electromagnet 25 can be controlled, so that the output shaft can rotate to different angles; A first lifting rod 26 is fixedly installed on the top of the telescopic structure 20, a first connecting rod 27 is fixedly installed on the top of the first lifting rod 26, an oil removal bin 28 is fixedly installed on the end area of ​​the first connecting rod 27, a second conduit 29 is arranged on the top of the oil removal bin 28, the second conduit 29 is connected to the third pump 17, and the third pump 17 absorbs the sealing oil in the oil removal bin 28; A first connecting pipe 30 is provided on the inner wall of the degreasing bin 28, and the end of the first connecting pipe 30 is connected to the telescopic pipe 31, and a scraper 32 is provided at the end of the telescopic pipe 31. A built-in annular pipe 36 is provided in the scraper 32, and the built-in annular pipe 36 is connected to the second connecting pipe 33 through a pipe, and a suction hole 34 is provided at the end of the second connecting pipe 33. The pipe on the first connecting pipe 30 is connected to the third connecting pipe 35, and the third connecting pipe 35 extends to be connected to the pipe of the second guide tube 29. When the output shaft is moved into the degreasing bin 28, the telescopic pipe 31 starts to run, and starts to descend from the highest position to drive the scraper 32 to descend, and the scraper 32 The sealing oil on the surface of the output shaft will be removed during the descent process. During the descent process of the scraper 32, the third pump 17 continues to work, and then the sealing oil scraped off the surface of the output shaft enters the second connecting pipe 33 through the suction hole 34, and then enters the built-in annular pipe 36 through the second connecting pipe 33, enters the telescopic pipe 31 through the built-in annular pipe 36, enters the first connecting pipe 30 through the telescopic pipe 31, enters the third connecting pipe 35 through the first connecting pipe 30, enters the second conduit 29 through the third connecting pipe 35, and is transported to the transport bin 13 through the second conduit 29, so as to realize the reflux recovery of the sealing oil. A second support rod 37 is fixedly mounted on the side wall of the telescopic structure 20. The second support rod 37 is a telescopic component. In the present embodiment, it can be a telescopic rod. A second connecting rod 48 is fixedly mounted on the end of the second support rod 37. A second motor 38 is fixedly mounted on the end of the second connecting rod 48. A side plate 39 is fixedly mounted on the output end of the second motor 38. A first reel 40, a second reel 41, a third reel 42, and a fourth reel 43 are symmetrically arranged on both ends of the side wall surface of the side plate 39. The first reel 40 and the second reel 41 are a group, and a reel for conveying is wound. The sealing film for sealing the upper surface of the output shaft, the third reel 42 and the fourth reel 43 form a group, which are wound with a sealing film for sealing the lower surface of the output shaft, wherein the first reel 40 and the third reel 42 are wound with unused sealing films, and the second reel 41 and the fourth reel 43 are wound with the carrier layer after use, the sealing film includes a carrier layer and a sealing layer, the sealing layer is attached to the carrier layer, and the sealing layer will be adhered to the sealing oil attached to the surface of the output shaft after contacting the surface of the output shaft, so that the sealing layer is separated from the carrier layer, and then the sealing process of the output shaft is completed through the sealing layer; The second lifting rod 44 is fixedly installed on the top and bottom of the side plate 39 respectively, and the pressure plate 45 is fixedly installed on the end of the second lifting rod 44. Through the rotation of the first reel 40, the second reel 41, the third reel 42, and the fourth reel 43, the unused sealing layer is moved to the upper and lower sides of the output shaft, and then the second lifting rod 44 moves to drive the pressure plate 45 to move, and then push the sealing film close to the output shaft, so that the sealing layer adheres to the surface of the output shaft. After the sealing layer on the output shaft is completely adhered, the output shaft is placed back into the original sealing cylinder 10. At this time, the surface of the output shaft is adhered with sealing oil, and the sealing layer is adhered by the sealing oil. Through the above double sealing method, the sealing performance of the output shaft is improved, ensuring that the output shaft can be safely stored during transportation; After the output shaft is rotated and moved to a position toward the reel through the first support rod 22, the second support rod 37 is then moved to drive the entire structure for adhering the sealing layer to move until the output shaft, the first reel 40, the second reel 41, the third reel 42, the fourth reel 43, the second lifting rod 44, and the pressing plate 45 all reach the preset area, and the sealing layer can be adhered; A camera assembly 47 is provided in the middle area of ​​the side wall of the side plate 39. The camera assembly 47 is used to detect whether the sealing layer has fallen off. If the camera assembly 47 detects that the sealing layer has not fallen off from the carrier layer, the output shaft is reset into the sealing cylinder 10 so that the sealing oil is adhered to the surface of the output shaft again. If the sealing layer is still not adhered to the output shaft, the sealing layer is removed and replaced with the next sealing layer for adhesion until a sealing layer is adhered to the surface of the output shaft to ensure successful sealing of the output shaft. A mechanical arm 46 is arranged on one side of the base metal frame 1 , and the function of the mechanical arm 46 is to grab a cover plate matching the sealing chamber 7 , and embed the cover plate into the top of the sealing chamber 7 , so that the sealing chamber 7 is sealed.

[0018] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0019] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A double-layer sealing device for a reducer output shaft, comprising a base metal frame (1), characterized in that: A first ground rail (2) is symmetrically fixedly installed on both sides of the top of the base metal frame (1); a sealing frame (3) is slidably connected to the first ground rail (2); a storage bin (5) is fixedly installed on the top of the sealing frame (3); a chassis seat (6) is fixedly installed on the top of the storage bin (5); a sealing bin (7) is embedded and detachably installed on the top of the chassis seat (6); a first intelligent valve (8) is arranged in the middle area of ​​the bottom of the sealing bin (7); a plurality of first pumps (9) are arranged on the top of the storage bin (5); the first pumps (9) are calibrated and matched with the first intelligent valve (8) of the sealing bin (7); A plurality of sealing cylinders (10) are fixedly installed in the sealing chamber (7), and the sealing cylinders (10) are divided into single cylinders and double cylinders; A plurality of guide holes (11) are sequentially arranged on the side wall of the sealing cylinder (10) from top to bottom.

2. A double-layer sealing device for a reducer output shaft according to claim 1, characterized in that: A second ground rail (12) is arranged on one side of the base metal frame (1), the second ground rail (12) is slidably connected to a transport bin (13), a casing (15) is arranged in the transport bin (13), and a second pump (16) and a third pump (17) are arranged in the casing (15).

3. A double-layer sealing device for a reducer output shaft according to claim 2, characterized in that: The second pump (16) is provided with a first conduit (18) extending therefrom, and the first conduit (18) is connected to a side wall of the storage bin (5).

4. A double-layer sealing device for a reducer output shaft according to claim 3, characterized in that: A base (19) is arranged on one side of the base metal frame (1), a retractable structure (20) is arranged on the top of the base (19), a first motor (21) is fixedly mounted on the end of the retractable structure (20), a first support rod (22) is fixedly mounted on the output end of the first motor (21), a support block (24) is fixedly mounted on the end region of the first support rod (22), and a first electromagnet (23) and a second electromagnet (25) are arranged on the bottom of the support block (24).

5. A double-layer sealing device for a reducer output shaft according to claim 4, characterized in that: A first lifting rod (26) is fixedly mounted on the top of the telescopic structure (20), a first connecting rod (27) is fixedly mounted on the top of the first lifting rod (26), an oil removal bin (28) is fixedly mounted on the end region of the first connecting rod (27), a second conduit (29) is arranged on the top of the oil removal bin (28), and the second conduit (29) is connected to a third pump (17).

6. A double-layer sealing device for a reducer output shaft according to claim 5, characterized in that: A first connecting pipe (30) is arranged on the inner wall of the oil removal bin (28); an end pipe of the first connecting pipe (30) is connected to a telescopic pipe (31); a scraper (32) is arranged at the end of the telescopic pipe (31); a built-in annular pipe (36) is arranged inside the scraper (32); a pipe of the built-in annular pipe (36) is connected to a second connecting pipe (33); a suction hole (34) is arranged at the end of the second connecting pipe (33); a pipe on the first connecting pipe (30) is connected to a third connecting pipe (35); the third connecting pipe (35) extends to be connected to a pipe of the second guide tube (29).

7. A double-layer sealing device for a reducer output shaft according to claim 6, characterized in that: A second support rod (37) is fixedly mounted on the side wall of the telescopic structure (20); a second connecting rod (48) is fixedly mounted on the end of the second support rod (37); a second motor (38) is fixedly mounted on the end of the second connecting rod (48); a side plate (39) is fixedly mounted on the output end of the second motor (38); and a first reel (40), a second reel (41), a third reel (42), and a fourth reel (43) are symmetrically arranged at both ends of the side wall surface of the side plate (39).

8. A double-layer sealing device for a reducer output shaft according to claim 7, characterized in that: A second lifting rod (44) is fixedly mounted on the top and bottom of the side plate (39), respectively; a pressing plate (45) is fixedly mounted on the end of the second lifting rod (44); and a camera assembly (47) is disposed in the middle area of ​​the side wall of the side plate (39).

9. The method for detecting the sealing performance of a double-layer sealing device of a reducer output shaft according to claim 8, characterized in that: The camera assembly (47) is used to detect whether the sealing layer has fallen off. If the camera assembly (47) detects that the sealing layer has not fallen off from the carrier layer, the output shaft is reset into the sealing cylinder (10) so that the sealing oil adheres to the surface of the output shaft again. If the sealing layer still does not adhere to the output shaft, the sealing layer is removed and replaced with the next sealing layer for adhesion until a sealing layer adheres to the surface of the output shaft.

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