Edge reduction assembly system of multi-speed cotton picker

Abstract

The invention relates to the technical field of cotton pickers, and discloses a multi-speed cotton picker side reducer assembly system which solves the problem that an existing cotton picker side reducer assembly is poor in use effect and comprises a hub reduction gear shell, a planetary reduction gear set is arranged in the hub reduction gear shell, and a sealing sleeve is arranged in the middle of one end of the hub reduction gear shell. A first sealing piece, a second sealing piece, a third sealing piece, a fourth sealing piece and a shaft seal are arranged in the sealing sleeve, a first airtight cavity is formed between the first sealing piece and the second sealing piece, an oil sealing cavity is formed between the second sealing piece and the third sealing piece, and a second airtight cavity is formed between the third sealing piece and the fourth sealing piece. A circulating lubrication heat dissipation mechanism is arranged on the hub reduction gear shell and composed of a supporting frame, an oil storage tank, an oil return pipe, an oil feeding pump, an oil feeding pipe, a first oil pumping pipe, an oil sleeve and a plurality of spraying branch pipes. By means of the side reducer assembly, circulating lubrication can be achieved, the lubrication and heat dissipation effects are improved, and meanwhile the sealing performance is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of cotton pickers, in particular to a side reduction assembly system of a multi-speed cotton picker. Background Art

[0003] Since cotton pickers usually travel on bumpy roads, the strength requirements for the front axle of the cotton picker are very stringent. Currently, a wheel-side reducer is usually installed on the front axle to achieve secondary deceleration, increase torque, and reduce the overall size of the front axle to increase the service life of the cotton picker. However, the existing wheel-side reducers still have certain problems. For example, the sealing between the wheel-side reducer housing and the input shaft is poor, which makes it easy for impurities to enter and cause lubricating oil leakage. In addition, the planetary gears inside the wheel-side reducer have poor lubrication and heat dissipation effects, which affect the service life. Therefore, the present application proposes a multi-speed cotton picker side reducer assembly system. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a multi-speed cotton picker side reduction assembly system, which effectively solves the problem of poor use effect of the existing cotton picker side reduction assembly.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a multi-speed cotton picker side reduction assembly system, including a wheel-side reducer housing, a drive shaft is inserted in the middle position of one end of the wheel-side reducer housing, a planetary reduction gear set connected to the drive shaft is arranged inside the wheel-side reducer housing, a sealing sleeve sleeved on the drive shaft is fixedly arranged in the middle position of one end of the wheel-side reducer housing, a seal 1, a seal 2, a seal 3, a seal 4 and a shaft seal are arranged in sequence inside the sealing sleeve, a first airtight chamber is formed between seal 1 and seal 2, an oil-sealed chamber is formed between seal 2 and seal 3, a second airtight chamber is formed between seal 3 and seal 4, and a circulating lubrication and heat dissipation mechanism is arranged on the wheel-side reducer housing;

[0006] The circulating lubrication and heat dissipation mechanism is composed of a support frame, an oil storage tank, an oil return pipe, an oil delivery pump, an oil delivery pipe, an oil extraction pipe 1, an oil jacket and a plurality of spray branch pipes. The support frame is fixedly connected to the bottom of one end of the wheel-side reducer housing, the oil storage tank is fixedly connected to the bottom end of the support frame, the oil return pipe is fixedly connected between the oil storage tank and the wheel-side reducer housing, the oil delivery pump is fixedly connected to the top of the support frame, the oil extraction pipe 1 is fixedly connected to the oil inlet of the oil delivery pump and inserted into the oil storage tank, the oil jacket is fixedly connected to the top of the wheel-side reducer housing, the oil delivery pipe is connected between the oil delivery pump and the oil jacket, one end of the spray branch pipe is inserted into the oil jacket and fixedly connected to the oil delivery pipe, and the other end of the spray branch pipe is inserted into the side of the wheel-side reducer housing.

[0007] Preferably, the seal one, seal two, seal three and seal four are all composed of an annular limit mounting seat and an annular rubber sealing body, the annular limit mounting seat is fixedly connected to the inner surface of the sealing sleeve by bolts, and the annular rubber sealing body is sleeved on the annular limit mounting seat and is tightly connected to the drive shaft.

[0008] Preferably, the annular rubber sealing body is composed of an O-shaped sealing sleeve, a first side sealing plate and a second side sealing plate. The O-shaped sealing sleeve is mounted on an annular limit mounting seat. The first side sealing plate and the second side sealing plate are respectively fixedly connected to both sides of the O-shaped sealing sleeve and are fitly connected to the two side surfaces of the annular limit mounting seat.

[0009] Preferably, a limiting pressure ring is fixedly provided on the inner surface of the sealing sleeve, and the first side sealing plate is connected between the limiting pressure ring and the sealing sleeve.

[0010] Preferably, the support frame is provided with an oil supply assembly connected to the sealing sleeve and the oil storage tank, the support frame is provided with an air supply assembly connected to the sealing sleeve, and a heat dissipation assembly matching the air supply assembly is interspersed on the top of the oil storage tank.

[0011] Preferably, a protective sleeve is fixedly provided on the top of the support frame and is sleeved on the oil delivery pump, the oil supply assembly and the air supply assembly, and the side of the protective sleeve is a ventilation structure.

[0012] Preferably, the oil supply assembly consists of an oil supply pump, an oil extraction pipe 2 and an oil supply pipe, the oil extraction pipe 2 is fixedly connected between the oil supply pump and the oil storage tank, the oil supply pipe is fixedly connected between the oil supply pump and the sealing sleeve and communicates with the oil sealing chamber.

[0013] Preferably, the air supply assembly is composed of a booster air pump, an air supply pipe, a solenoid valve, a constant pressure gas tank, an air delivery pipe and a plurality of air delivery branch pipes. The air supply pipe is fixedly connected to the exhaust port of the booster air pump, the solenoid valve is connected to the air supply pipe, the constant pressure gas tank is connected to the air supply pipe, the air delivery pipe is connected to the constant pressure gas tank, and the air delivery branch pipe is fixedly connected between the air delivery pipe and the sealing sleeve and is respectively connected to the first airtight chamber and the second airtight chamber.

[0014] Preferably, an air blowing pipe is fixedly provided on the side of the air supply pipe, a second solenoid valve is provided on the air blowing pipe, and a two-way heat dissipation air blowing hood is fixedly provided on the other end of the air blowing pipe.

[0015] Preferably, the heat dissipation assembly is composed of a heat conducting plate, a plurality of heat dissipation heat pipes, a heat conducting sleeve, a plurality of heat dissipation fins and a plurality of capillary heat dissipation columns, the heat conducting plate is located inside the oil storage tank, the heat dissipation heat pipes are inserted into the oil storage tank and fixedly connected to the heat conducting plate, the heat conducting sleeve is fixedly connected to the top of the heat dissipation heat pipes, the heat dissipation fins are fixedly connected to the top of the heat conducting sleeve, and the capillary heat dissipation columns are fixedly connected to the sides of the heat dissipation fins.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] (1) During operation, by providing the seal 1, the seal 2, the seal 3, the seal 4 and the shaft seal, the connection sealing performance between the drive shaft and the sealing sleeve can be improved. By providing the oil supply assembly consisting of the oil supply pump, the oil pumping pipe 2 and the oil supply pipe, and the air supply assembly consisting of the booster air pump, the air supply pipe, the solenoid valve 1, the constant pressure air tank, the air supply pipe and a plurality of air supply branches, air and oil can be supplied to the inside of the first airtight chamber, the second airtight chamber and the oil sealing chamber, and the sealing effect is achieved by utilizing the balance of air pressure and oil pressure, thereby further improving the sealing effect.

[0018] (2) By providing a circulating lubrication and heat dissipation mechanism consisting of a support frame, an oil storage tank, an oil return pipe, an oil delivery pump, an oil delivery pipe, an oil extraction pipe, an oil jacket and a plurality of spray branches, the planetary reduction gear set can be circulated and continuously sprayed with oil for lubrication, thereby effectively improving the lubrication effect and thereby increasing the service life of the planetary reduction gear set;

[0019] (3) By providing an air blowing pipe, a two-way heat dissipation air blowing hood, and a heat dissipation component consisting of a heat conduction plate, a plurality of heat dissipation heat pipes, a heat conduction sleeve, a plurality of heat dissipation fins, and a plurality of capillary heat dissipation columns, the lubricating oil can be dissipated and cooled to avoid excessive temperature that affects the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0021] In the attached picture:

[0022] Figure 1 It is a schematic diagram of the structure of the side reduction assembly of the multi-speed cotton picker of the present invention;

[0023] Figure 2 This is a schematic diagram of the connection structure between the circulating lubrication and heat dissipation mechanism and the sealing sleeve of the present invention;

[0024] Figure 3 It is a schematic diagram of the internal structure of the side reduction assembly of the multi-speed cotton picker of the present invention;

[0025] Figure 4 This is a schematic diagram of the internal structure of the sealing sleeve of the present invention;

[0026] Figure 5 A partial cross-sectional view of a sealing member of the present invention;

[0027] Figure 6 This is a schematic diagram of the structure of the circulating lubrication and heat dissipation mechanism of the present invention;

[0028] Figure 7 This is a schematic diagram of the structure of the gas supply assembly of the present invention;

[0029] Figure 8 This is a schematic diagram of the connection structure between the heat dissipation component and the oil storage tank of the present invention;

[0030] In the figure: 1. wheel reducer housing; 2. drive shaft; 3. planetary reduction gear set; 4. sealing sleeve; 5. seal 1; 6. seal 2; 7. seal 3; 8. seal 4; 9. shaft seal; 10. first airtight chamber; 11. oil seal chamber; 12. second airtight chamber; 13. circulating lubrication and heat dissipation mechanism; 14. support frame; 15. oil storage tank; 16. oil return pipe; 17. oil delivery pump; 18. oil delivery pipe; 19. oil extraction pipe 1; 20. oil sleeve; 21. spray branch pipe; 22. annular limit mounting seat; 23. annular rubber seal body; 24. O-type seal Envelope; 25. First side sealing plate; 26. Second side sealing plate; 27. Limiting pressure ring; 28. Oil supply assembly; 29. ​​Air supply assembly; 30. Heat dissipation assembly; 31. Protective cover; 32. Oil supply pump; 33. Oil extraction pipe 2; 34. Oil supply pipe; 35. Booster air pump; 36. Air supply pipe; 37. Solenoid valve 1; 38. Constant pressure gas tank; 39. Air supply pipe; 40. Air supply branch pipe; 41. Air blowing pipe; 42. Solenoid valve 2; 43. Two-way heat dissipation air blowing hood; 44. Heat conduction plate; 45. Heat dissipation heat pipe; 46. Heat conduction sleeve; 47. Heat dissipation fins; 48. Capillary heat dissipation column. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0032] Embodiment 1, by Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 The invention provides a multi-speed cotton picker side reduction assembly system, comprising a wheel-side reducer housing 1, a driving shaft 2 is inserted in the middle position of one end of the wheel-side reducer housing 1, a planetary reduction gear set 3 connected to the driving shaft 2 is arranged inside the wheel-side reducer housing 1, a sealing sleeve 4 sleeved on the driving shaft 2 is fixedly arranged in the middle position of one end of the wheel-side reducer housing 1, a sealing member 1 5, a sealing member 2 6, a sealing member 3 7, a sealing member 4 8 and a shaft seal 9 are arranged in sequence inside the sealing sleeve 4, a first airtight chamber 10 is formed between the sealing member 1 5 and the sealing member 2 6, an oil-sealed chamber 11 is formed between the sealing member 2 6 and the sealing member 3 7, a second airtight chamber 12 is formed between the sealing member 3 7 and the sealing member 4 8, and a circulating lubrication and heat dissipation mechanism 13 is arranged on the wheel-side reducer housing 1;

[0033] When in use, the connection between the drive shaft 2 and the sealing sleeve 4 is sealed by means of the seal 1 5, the seal 2 6, the seal 3 7, the seal 4 8 and the shaft seal 9, and the pressure balance among the first airtight chamber 10, the second airtight chamber 12 and the circulating lubrication and heat dissipation mechanism 13 is maintained, and is greater than the external pressure, thereby further improving the sealing effect;

[0034] The circulating lubrication and heat dissipation mechanism 13 is composed of a support frame 14, an oil storage tank 15, an oil return pipe 16, an oil delivery pump 17, an oil delivery pipe 18, an oil extraction pipe 19, an oil jacket 20 and a plurality of spray branch pipes 21. The support frame 14 is fixedly connected to the bottom of one end of the wheel-side reducer housing 1, the oil storage tank 15 is fixedly connected to the bottom end of the support frame 14, the oil return pipe 16 is fixedly connected between the oil storage tank 15 and the wheel-side reducer housing 1, the oil delivery pump 17 is fixedly connected to the top of the support frame 14, the oil extraction pipe 19 is fixedly connected to the oil inlet of the oil delivery pump 17 and inserted into the oil storage tank 15, the oil jacket 20 is fixedly connected to the top of the wheel-side reducer housing 1, the oil delivery pipe 18 is connected between the oil delivery pump 17 and the oil jacket 20, one end of the spray branch pipe 21 is inserted into the oil jacket 20 and fixedly connected to the oil delivery pipe 18, and the other end of the spray branch pipe 21 is inserted into the side of the wheel-side reducer housing 1;

[0035] The circulation of lubricating oil can be realized through the oil storage tank 15, the oil return pipe 16, the oil delivery pump 17, the oil delivery pipe 18, the oil extraction pipe 19, the oil sleeve 20 and the plurality of spray branches 21, so that the lubricating oil is dispersed and sprayed to the planetary reduction gear set 3, so as to fully lubricate the planetary reduction gear set 3 and improve the lubrication effect.

[0036] Embodiment 2, based on embodiment 1, Figure 1 , Figure 4 and Figure 5 It is given that the seal 1 5, the seal 2 6, the seal 3 7 and the seal 4 8 are all composed of an annular limit mounting seat 22 and an annular rubber sealing body 23. The annular limit mounting seat 22 is fixedly connected to the inner surface of the sealing sleeve 4 by bolts. The annular rubber sealing body 23 is sleeved on the annular limit mounting seat 22 and is closely connected to the drive shaft 2. The annular rubber sealing body 23 is composed of an O-type sealing sleeve 24, a first side sealing plate 25 and a second side sealing plate 26. The O-type sealing sleeve 24 is sleeved on the annular limit mounting seat 22. The first side sealing plate 25 and the second side sealing plate 26 are respectively fixedly connected to the two sides of the O-type sealing sleeve 24 and are closely connected to the two side surfaces of the annular limit mounting seat 22. A limit pressure ring 27 is fixedly provided on the inner surface of the sealing sleeve 4, and the first side sealing plate 25 is connected between the limit pressure ring 27 and the sealing sleeve 4.

[0037] The annular rubber sealing body 23 is supported by the annular limiting mounting seat 22, and the O-ring sealing sleeve 24 is in contact with and slidably connected to the drive shaft 2, thereby achieving a sealing effect. The sealing effect can be further improved by the first side sealing plate 25 and the second side sealing plate 26, and the first side sealing plate 25 is limited and pressed by the limiting pressure ring 27.

[0038] Embodiment 3, based on embodiment 1, Figure 1 , Figure 6 , Figure 7 and Figure 8 It is shown that the support frame 14 is provided with an oil supply assembly 28 connected with the sealing sleeve 4 and the oil storage tank 15, the support frame 14 is provided with an air supply assembly 29 connected with the sealing sleeve 4, the top of the oil storage tank 15 is interspersed with a heat dissipation assembly 30 matching the air supply assembly 29, and the top of the support frame 14 is fixedly provided with a protective sleeve 31 sleeved on the oil pump 17, the oil supply assembly 28 and the air supply assembly 29, and the side of the protective sleeve 31 is a ventilation structure;

[0039] The protective sleeve 31 can support and protect the oil pump 17, the oil supply assembly 28 and the air supply assembly 29. Since the side of the protective sleeve 31 is a ventilation structure, the air supply assembly 29 can work normally.

[0040] The oil supply assembly 28 is composed of an oil supply pump 32, an oil extraction pipe 33 and an oil supply pipe 34. The oil extraction pipe 33 is fixedly connected between the oil supply pump 32 and the oil storage tank 15. The oil supply pipe 34 is fixedly connected between the oil supply pump 32 and the sealing sleeve 4 and communicates with the oil sealing chamber 11.

[0041] The oil supply pump 32, the oil extraction pipe 33 and the oil supply pipe 34 can extract the lubricating oil from the oil storage tank 15 and fill the lubricating oil into the oil sealing chamber 11, thereby achieving a sealing effect and a lubricating effect through the lubricating oil;

[0042] The air supply assembly 29 is composed of a booster air pump 35, an air supply pipe 36, a solenoid valve 37, a constant pressure gas tank 38, an air supply pipe 39 and a plurality of air supply branches 40. The air supply pipe 36 is fixedly connected to the exhaust port of the booster air pump 35, the solenoid valve 37 is connected to the air supply pipe 36, the constant pressure gas tank 38 is connected to the air supply pipe 36, the air supply pipe 39 is connected to the constant pressure gas tank 38, and the air supply branch 40 is fixedly connected between the air supply pipe 39 and the sealing sleeve 4 and communicates with the first airtight chamber 10 and the second airtight chamber 12 respectively.

[0043] The booster air pump 35 and the air supply pipe 36 supply air to the constant pressure air tank 38, and the constant pressure air tank 38, the air supply pipe 39 and the plurality of air supply branches 40 supply air to the first airtight chamber 10 and the second airtight chamber 12, so that a positive pressure environment is formed inside the first airtight chamber 10 and the second airtight chamber 12, thereby achieving air pressure sealing;

[0044] An air blowing pipe 41 is fixedly provided on the side of the air supply pipe 36, and a solenoid valve 2 42 is provided on the air blowing pipe 41. A two-way heat dissipation air blowing cover 43 is fixedly provided on the other end of the air blowing pipe 41. The heat dissipation assembly 30 is composed of a heat conducting plate 44, a plurality of heat dissipation heat pipes 45, a heat conducting sleeve 46, a plurality of heat dissipation fins 47 and a plurality of capillary heat dissipation columns 48. The heat conducting plate 44 is located inside the oil storage tank 15, the heat dissipation heat pipe 45 is inserted into the oil storage tank 15 and is fixedly connected to the heat conducting plate 44, the heat conducting sleeve 46 is fixedly connected to the top of the heat dissipation heat pipe 45, the heat dissipation fin 47 is fixedly connected to the top of the heat conducting sleeve 46, and the capillary heat dissipation column 48 is fixedly connected to the side of the heat dissipation fin 47;

[0045] The circulation process of the lubricating oil will transfer heat. At this time, the heat conduction and heat dissipation of the lubricating oil are achieved through the heat conduction plate 44, the heat dissipation heat pipe 45, the heat conduction sleeve 46, the heat dissipation fins 47 and the capillary heat dissipation columns 48. At this time, the solenoid valve 2 42 is opened, and the blowing is achieved through the booster air pump 35 and the blowing pipe 41. The airflow realizes the heat dissipation of the heat dissipation fins 47 and the capillary heat dissipation columns 48, thereby improving the heat dissipation efficiency.

[0046] During operation, by providing seal 1, seal 2, seal 3, seal 4 and shaft seal, the connection sealing performance between the drive shaft and the sealing sleeve can be improved; by providing an oil supply assembly consisting of an oil supply pump, an oil extraction pipe 2 and an oil supply pipe, and an air supply assembly consisting of a booster air pump, an air supply pipe, an electromagnetic valve 1, a constant pressure air tank, an air supply pipe and a plurality of air supply branches, air and oil can be supplied to the inside of the first airtight chamber, the second airtight chamber and the oil sealing chamber, and the sealing effect is achieved by utilizing the balance of air pressure and oil pressure, thereby further improving the sealing effect; by providing an oil supply assembly consisting of a branch pipe The circulating lubrication and heat dissipation mechanism composed of a support frame, an oil storage tank, an oil return pipe, an oil delivery pump, an oil delivery pipe, an oil extraction pipe, an oil sleeve and a number of spray branch pipes can circulate and continuously spray oil to lubricate the planetary reduction gear set, effectively improve the lubrication effect, and thus increase the service life of the planetary reduction gear set; by arranging an air blowing pipe, a two-way heat dissipation air blowing hood and a heat dissipation component composed of a heat conduction plate, a number of heat dissipation heat pipes, a heat conduction sleeve, a number of heat dissipation fins and a number of capillary heat dissipation columns, the lubricating oil can be dissipated and cooled to avoid excessive temperature affecting the service life.

Claims

1. A multi-speed cotton picker side reducer assembly system, comprising a wheel side reducer housing (1), characterized in that: A driving shaft (2) is inserted in the middle position of one end of the wheel-side reducer housing (1), a planetary reduction gear set (3) connected to the driving shaft (2) is arranged inside the wheel-side reducer housing (1), a sealing sleeve (4) sleeved on the driving shaft (2) is fixedly arranged in the middle position of one end of the wheel-side reducer housing (1), a sealing member 1 (5), a sealing member 2 (6), a sealing member 3 (7), a sealing member 4 (8) and a shaft seal (9) are arranged in sequence inside the sealing sleeve (4), a first airtight chamber (10) is formed between the sealing member 1 (5) and the sealing member 2 (6), an oil sealing chamber (11) is formed between the sealing member 2 (6) and the sealing member 3 (7), and a second airtight chamber (12) is formed between the sealing member 3 (7) and the sealing member 4 (8), and a circulating lubrication and heat dissipation mechanism (13) is arranged on the wheel-side reducer housing (1); The circulating lubrication and heat dissipation mechanism (13) is composed of a support frame (14), an oil storage tank (15), an oil return pipe (16), an oil delivery pump (17), an oil delivery pipe (18), an oil extraction pipe (19), an oil sleeve (20) and a plurality of spray branch pipes (21). The support frame (14) is fixedly connected to the bottom of one end of the wheel-side reducer housing (1), the oil storage tank (15) is fixedly connected to the bottom end of the support frame (14), the oil return pipe (16) is fixedly connected between the oil storage tank (15) and the wheel-side reducer housing (1), and the oil delivery pump (17) is fixedly connected to the bottom of the wheel-side reducer housing (1). 17) is fixedly connected to the top of the support frame (14), an oil extraction pipe (19) is fixedly connected to the oil inlet of the oil pump (17) and inserted into the oil storage tank (15), an oil sleeve (20) is fixedly connected to the top of the wheel-side reducer housing (1), an oil delivery pipe (18) is connected between the oil delivery pump (17) and the oil sleeve (20), one end of a spray branch pipe (21) is inserted into the oil sleeve (20) and fixedly connected to the oil delivery pipe (18), and the other end of the spray branch pipe (21) is inserted into the side of the wheel-side reducer housing (1).

2. A multi-speed cotton picker side reduction assembly system according to claim 1, characterized in that: The seal 1 (5), seal 2 (6), seal 3 (7) and seal 4 (8) are all composed of an annular limit mounting seat (22) and an annular rubber sealing body (23); the annular limit mounting seat (22) is fixedly connected to the inner surface of the sealing sleeve (4) by bolts; the annular rubber sealing body (23) is sleeved on the annular limit mounting seat (22) and is closely connected to the drive shaft (2).

3. A multi-speed cotton picker side reduction assembly system according to claim 2, characterized in that: The annular rubber sealing body (23) is composed of an O-type sealing sleeve (24), a first side sealing plate (25) and a second side sealing plate (26); the O-type sealing sleeve (24) is sleeved on the annular limit mounting seat (22); the first side sealing plate (25) and the second side sealing plate (26) are respectively fixedly connected to two sides of the O-type sealing sleeve (24) and are closely connected to two side surfaces of the annular limit mounting seat (22).

4. A multi-speed cotton picker side reduction assembly system according to claim 3, characterized in that: A limit pressure ring (27) is fixedly arranged on the inner surface of the sealing sleeve (4), and the first side sealing plate (25) is connected between the limit pressure ring (27) and the sealing sleeve (4).

5. The multi-speed cotton picker side reduction assembly system according to claim 1, characterized in that: The support frame (14) is provided with an oil supply assembly (28) connected to the sealing sleeve (4) and the oil storage tank (15); the support frame (14) is provided with an air supply assembly (29) connected to the sealing sleeve (4); and a heat dissipation assembly (30) matching the air supply assembly (29) is interspersed at the top end of the oil storage tank (15).

6. A multi-speed cotton picker side reduction assembly system according to claim 5, characterized in that: A protective sleeve (31) is fixedly provided on the top end of the support frame (14) and is sleeved on the oil supply pump (17), the oil supply assembly (28) and the air supply assembly (29), and the side of the protective sleeve (31) is a ventilation structure.

7. The multi-speed cotton picker side reduction assembly system according to claim 5, characterized in that: The oil supply assembly (28) is composed of an oil supply pump (32), an oil extraction pipe (33) and an oil supply pipe (34). The oil extraction pipe (33) is fixedly connected between the oil supply pump (32) and the oil storage tank (15). The oil supply pipe (34) is fixedly connected between the oil supply pump (32) and the sealing sleeve (4) and is in communication with the oil sealing chamber (11).

8. The multi-speed cotton picker side reduction assembly system according to claim 6, characterized in that: The air supply assembly (29) is composed of a booster air pump (35), an air supply pipe (36), a solenoid valve (37), a constant pressure gas tank (38), an air supply pipe (39) and a plurality of air supply branch pipes (40). The air supply pipe (36) is fixedly connected to the exhaust port of the booster air pump (35), the solenoid valve (37) is connected to the air supply pipe (36), the constant pressure gas tank (38) is connected to the air supply pipe (36), the air supply pipe (39) is connected to the constant pressure gas tank (38), and the air supply branch pipe (40) is fixedly connected between the air supply pipe (39) and the sealing sleeve (4) and is respectively connected to the first airtight chamber (10) and the second airtight chamber (12).

9. A multi-speed cotton picker side reduction assembly system according to claim 8, characterized in that: An air blowing pipe (41) is fixedly arranged on the side of the air supply pipe (36), a second electromagnetic valve (42) is arranged on the air blowing pipe (41), and a two-way heat dissipation air blowing cover (43) is fixedly arranged on the other end of the air blowing pipe (41).

10. The multi-speed cotton picker side reduction assembly system according to claim 9, characterized in that: The heat dissipation component (30) is composed of a heat conducting plate (44), a plurality of heat dissipation heat pipes (45), a heat conducting sleeve (46), a plurality of heat dissipation fins (47) and a plurality of capillary heat dissipation columns (48); the heat conducting plate (44) is located inside the oil storage tank (15); the heat dissipation heat pipes (45) are inserted into the oil storage tank (15) and are fixedly connected to the heat conducting plate (44); the heat conducting sleeve (46) is fixedly connected to the top of the heat dissipation heat pipe (45); the heat dissipation fins (47) are fixedly connected to the top of the heat conducting sleeve (46); and the capillary heat dissipation columns (48) are fixedly connected to the side of the heat dissipation fins (47).

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