Cap separating mechanism composed of multi-stage gear transmission

The cap distribution mechanism composed of multi-stage gear transmission solves the problems of large fitting clearance and insufficient rigidity of the traditional single plastic pin gear transmission mechanism, and achieves a high-precision and high-stability transmission effect. It is suitable for bottle cap distribution in PET bottled water filling and capping machines.

CN223372730UActive Publication Date: 2025-09-23GUANGZHOU XILI MASCH CO LTD
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Patent Information

Application Number
CN202423003378.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-09-23
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

The traditional single plastic pin gear transmission mechanism has large matching clearance and low precision. As the machine production capacity increases, the pin gear diameter increases, the rigidity decreases, and it is easy to deform.

Method used

The cover separation mechanism is composed of a multi-stage gear transmission, including a first connecting shaft, a transmission gear, a fixed shaft and multiple sets of meshing gears. The multi-stage gear meshing performs graded transmission to improve transmission accuracy and stability.

Benefits of technology

It ensures transmission accuracy and stability during high-speed operation, and has a smaller appearance size, which can match higher production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cover separating mechanism formed by multistage gear transmission, which comprises a first upper connecting plate, a lower plate and a middle plate, three adjusting rods are fixedly mounted at the top of the lower plate, the top ends of the three adjusting rods are connected with first upright posts, nut sleeves are arranged at the joints of the adjusting rods and the first upright posts, the three nut sleeves are fixed on the middle plate, and the first upright posts are fixed on the middle plate. The top ends of the three first stand columns are all fixedly connected with a first upper connecting plate, a main bearing seat with a straight-through type forced filling oil cup is fixedly installed in the middle of the middle plate, a first connecting shaft is rotationally connected into the main bearing seat, and a first expansion sleeve flange is installed at the bottom end of the first connecting shaft. Due to the design of a cap separating mechanism formed by multi-stage gear transmission, when the machine runs at a high speed, the transmission precision and stability can be better guaranteed; the appearance size of the newly designed mechanism is smaller; the mechanism can be matched with higher production efficiency.
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Description

Technical Field

[0001] The utility model relates to the technical field of PET bottled water filling and capping integrated machines, in particular to a capping mechanism composed of multi-stage gear transmission. Background Art

[0002] PET bottled water filling and capping machine, the bottle cap distributing part before capping, is a mechanism that realizes the precise grasping of bottle caps in the entire process from capping to capping. Also as a PET bottled water filling and capping machine, the bottle cap distributing mechanism used to adopt a single plastic pin gear transmission. When working, the capping part drives the bottle cap distributing part to rotate synchronously.

[0003] However, the traditional single plastic pin gear transmission mechanism has the following defects in actual use:

[0004] (1) The traditional single plastic pin gear transmission mechanism has large clearance and low precision;

[0005] (2) As the machine capacity specifications become higher, the diameter of the corresponding pin gear also becomes larger. As the diameter increases, the overall rigidity of the pin gear becomes lower, and it is more likely to deform during operation. Utility Model Content

[0006] The purpose of the present utility model is to provide a covering mechanism composed of a multi-stage gear transmission to solve the problem of large matching clearance and low precision of the traditional single plastic pin gear transmission mechanism proposed in the above background technology; as the machine production capacity specifications become higher, the diameter of the matching pin gear also becomes larger, and as the diameter increases, the overall rigidity of the pin gear becomes lower, and it is more likely to cause deformation during operation.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sub-cover mechanism composed of a multi-stage gear transmission, comprising a first upper connecting plate, a lower plate and a middle plate, the top of the lower plate is fixedly installed with three adjusting rods, the top ends of the three adjusting rods are connected to the first column, the connection between the adjusting rod and the first column is provided with a nut sleeve, the three nut sleeves are fixed to the middle plate, the top ends of the three first columns are fixedly connected to the first upper connecting plate, the middle part of the middle plate is fixedly installed with a main bearing seat with a straight-through pressure oil cup, the main bearing seat is rotatably connected with a first connecting shaft, the bottom end of the first connecting shaft is installed with a first expansion sleeve flange, the first connecting shaft is fixedly connected to the first sub-cover plate through the first expansion sleeve flange, the top end of the first connecting shaft is fixedly installed with a transmission gear main body, the transmission The top of the moving gear body is fixedly provided with a work station detection plate, and the transmission gear body is meshed with the first transmission gear, the middle part of the first transmission gear is fixedly provided with a second fixed shaft, the middle part of the second fixed shaft is installed with a second transmission gear, the second transmission gear is meshed with the third transmission gear, and the third transmission gear is meshed with the cover transmission gear, and the middle part of the third transmission gear is fixedly installed with the first gear fixing cover, and the third transmission gear is rotatably connected to the first fixed shaft through the first gear fixing cover, the bottom end of the first fixed shaft is fixedly connected to the middle plate, and the top and bottom ends of the second fixed shaft are rotatably connected to the first upper connecting plate and the middle plate respectively, and the cover transmission gear is powered, and then the first transmission gear, the second transmission gear and the third transmission gear are meshed with each other for graded transmission.

[0008] Preferably, the bottom end of the main bearing seat is fixedly connected to the middle plate by screws, the top end of the main bearing seat is fixedly installed with a main bearing seat cover by screws, the bottom end of the main bearing seat is provided with a first stop cover, the top end of the main bearing seat cover is installed with a first shaft sleeve rotatably connected to the first connecting shaft, the top end of the first shaft sleeve is in contact with the transmission gear body, and the first shaft sleeve is sleeved on the first connecting shaft.

[0009] Preferably, first bearings are installed at the top and bottom ends of the main bearing seat, the middle of the third transmission gear, the connection between the first upper connecting plate and the second fixed shaft, and the connection between the middle plate and the second fixed shaft. The main bearing seat is rotatably connected to the first connecting shaft through two first bearings, the third transmission gear is rotatably connected to the first fixed shaft through the first bearing, the first upper connecting plate is rotatably connected to the second fixed shaft through the first bearing, and the middle plate is rotatably connected to the second fixed shaft through the first bearing.

[0010] Preferably, the first connecting shaft is fixedly connected to the upper and lower pressure plates of the sub-covering disc via a first expansion flange, and the first sub-covering disc is clamped between the upper and lower pressure plates of the sub-covering disc.

[0011] Preferably, a first expansion sleeve is installed inside the first expansion sleeve flange, and the first expansion sleeve is connected to the first connecting shaft.

[0012] Preferably, the top and bottom ends of the second fixed shaft are fixed with pressure plates by screws, the surface of the second fixed shaft is sleeved with a second shaft sleeve and a fourth shaft sleeve, the second shaft sleeve is located between the first upper connecting plate and the first transmission gear, the fourth shaft sleeve is located between the first transmission gear and the second transmission gear, the first upper connecting plate and the middle plate are fixed with oil baffles by screws, and the two oil baffles are respectively arranged corresponding to the top and bottom ends of the second fixed shaft.

[0013] The top of the gear train is fixedly mounted on the drive means, and the gear train is connected to the drive means by a threaded connection, and the gear train is connected to the drive means by a threaded connection.

[0014] Preferably, the top end of the second connecting shaft is installed with an inner cover by screws, the top and bottom ends of the third sleeve are provided with second bearings, the third sleeve is rotatably connected to the second connecting shaft through two second bearings, and the bottom end of the third sleeve is installed with a second stop cover.

[0015] Compared with the existing technology, the beneficial effects of the utility model are: the design of the cover mechanism composed of multi-stage gear transmission can better ensure the transmission accuracy and stability when the machine runs at high speed; the appearance size of the newly designed mechanism is smaller; and the mechanism can match higher production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0017] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0018] Figure 3This is a schematic diagram of the structure of the utility model after the first upper connecting plate is removed;

[0019] Figure 4 It is a cross-sectional view of the utility model;

[0020] Figure 5 This is a schematic diagram of the gear drive structure of the present utility model;

[0021] Figure 6 This is a top view of the gear drive structure of the present invention;

[0022] Figure 7 This is a schematic structural diagram of Example 2 of the present utility model;

[0023] Figure 8 This is a cross-sectional view of Example 2 of the present utility model;

[0024] Figure 9 This is a schematic diagram of the pin gear drive structure of the present utility model.

[0025] In the figure: 1. First upper connecting plate; 2. First sub-cover plate; 3. Sub-cover plate upper pressure plate; 4. Sub-cover plate lower pressure plate; 5. First column; 6. Nut sleeve; 7. Adjustment rod; 8. First stop cover; 9. Lower plate; 10. Station detection plate; 11. Transmission gear body; 12. First shaft sleeve; 13. Main bearing seat; 14. Main bearing seat cover; 15. Feed cover transmission gear; 16. First bearing; 17. First connecting shaft; 18. Middle plate; 19. First expansion sleeve flange; 20. First expansion sleeve; 21. Oil shield cover; 22. First transmission gear; 23. Second transmission gear; 24. First fixed shaft; 25. Second fixed shaft; 26. Second bushing; 27. Third transmission gear; 28. Second upper connecting plate; 29. ​​Second column; 30. Pin gear; 31. Second sub-cover plate; 32. Workstation detection mounting rod; 33. Workstation detection mounting plate; 34. End cover; 35. Inner cover; 36. Flat washer; 37. Third bushing; 38. Second bearing; 39. Second stop cover; 40. Second gear fixing cover; 41. Second connecting shaft; 42. Second expansion sleeve; 43. Second expansion sleeve flange. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0027] See also Figure 1-9The utility model provides a sub-cover mechanism composed of a multi-stage gear transmission, including a first upper connecting plate 1, a lower plate 9 and a middle plate 18. Three adjusting rods 7 are fixedly installed on the top of the lower plate 9. The top ends of the three adjusting rods 7 are connected to the first column 5. The connection between the adjusting rod 7 and the first column 5 is provided with a nut sleeve 6. The three nut sleeves 6 are fixed on the middle plate 18. The top ends of the three first columns 5 are fixedly connected to the first upper connecting plate 1. A main bearing seat 13 with a straight-through pressure oil cup is fixedly installed in the middle of the middle plate 18. A first connecting shaft 17 is rotatably connected in the main bearing seat 13. A first expansion flange 19 is installed at the bottom end of the first connecting shaft 17. The first connecting shaft 17 is fixedly connected to the first sub-cover plate 2 through the first expansion flange 19. A transmission gear body 11 is fixedly installed on the top of the first connecting shaft 17. The top of the transmission gear body 11 is fixedly set There is a work station detection plate 10, and the transmission gear body 11 is meshed and connected with the first transmission gear 22. The middle part of the first transmission gear 22 is fixedly provided with a second fixed shaft 25, and the middle part of the second fixed shaft 25 is installed with a second transmission gear 23. The second transmission gear 23 is meshed and connected with the third transmission gear 27, and the third transmission gear 27 is meshed and connected with the cover transmission gear 15. The middle part of the third transmission gear 27 is fixedly installed with the first gear fixing cover, and the third transmission gear 27 is rotatably connected to the first fixed shaft 24 through the first gear fixing cover. The bottom end of the first fixed shaft 24 is fixedly connected to the middle plate 18, and the top and bottom ends of the second fixed shaft 25 are rotatably connected to the first upper connecting plate 1 and the middle plate 18 respectively. The rotation of the cover transmission gear 15 is driven by power, and the first transmission gear 22, the second transmission gear 23 and the third transmission gear 27 are meshed with each other for graded transmission.

[0028] The bottom end of the main bearing seat 13 is fixedly connected to the middle plate 18 by screws, and the top end of the main bearing seat 13 is fixedly installed with a main bearing seat cover 14 by screws. The bottom end of the main bearing seat 13 is provided with a first stop cover 8, and the top end of the main bearing seat cover 14 is installed with a first shaft sleeve 12 rotatably connected to the first connecting shaft 17. The top end of the first shaft sleeve 12 is in contact with the transmission gear body 11, and the first shaft sleeve 12 is sleeved on the first connecting shaft 17. The main bearing seat 13 limits and fixes the first connecting shaft 17, thereby improving the stability of the transmission gear body 11.

[0029] First bearings 16 are installed at the top and bottom ends of the main bearing seat 13, the middle of the third transmission gear 27, the connection between the first upper connecting plate 1 and the second fixed shaft 25, and the connection between the middle plate 18 and the second fixed shaft 25. The main bearing seat 13 is rotatably connected to the first connecting shaft 17 through two first bearings 16, the third transmission gear 27 is rotatably connected to the first fixed shaft 24 through the first bearing 16, the first upper connecting plate 1 is rotatably connected to the second fixed shaft 25 through the first bearing 16, and the middle plate 18 is rotatably connected to the second fixed shaft 25 through the first bearing 16. The bearings are provided to reduce the frictional resistance of the rotating shaft and improve the power transmission efficiency of the rotating shaft.

[0030] The first connecting shaft 17 is fixedly connected to the upper pressure plate 3 and the lower pressure plate 4 of the sub-cover plate through the first expansion flange 19. The first sub-cover plate 2 is clamped between the upper pressure plate 3 and the lower pressure plate 4 of the sub-cover plate. The upper pressure plate 3 and the lower pressure plate 4 of the sub-cover plate clamp the first sub-cover plate 2 to improve the stability of the first sub-cover plate 2.

[0031] A first expansion sleeve 20 is installed inside the first expansion sleeve flange 19 . The first expansion sleeve 20 is connected to the first connecting shaft 17 to improve the fixing performance.

[0032] The top and bottom ends of the second fixed shaft 25 are fixed with pressure plates by screws, and the surface of the second fixed shaft 25 is sleeved with a second sleeve 26 and a fourth sleeve. The second sleeve 26 is located between the first upper connecting plate 1 and the first transmission gear 22, and the fourth sleeve is located between the first transmission gear 22 and the second transmission gear 23. The first upper connecting plate 1 and the middle plate 18 are fixed with oil baffles 21 with straight-through pressure oil cups by screws. The two oil baffles 21 are respectively arranged corresponding to the top and bottom ends of the second fixed shaft 25; the second sleeve 26 and the fourth sleeve are arranged to improve the rotation stability of the first transmission gear 22 and the second transmission gear 23.

[0033] The outer side of the top of the lower plate 9 is fixedly connected with three second columns 29 by screws, and the tops of the three second columns 29 are fixedly connected to the second upper connecting plate 28 by screws. A flat washer 36 is installed in the middle of the second upper connecting plate 28 by screws, and a third shaft sleeve 37 with a straight-through pressure injection cup is installed in the middle of the flat washer 36. The top of the third shaft sleeve 37 is installed with an end cover 34 with a straight-through pressure injection cup by screws, and the bottom of the end cover 34 is installed with a third shaft sleeve 37 with a straight-through pressure injection cup by screws. The second connecting shaft 41 is rotatably connected in the third shaft sleeve 37, and a second gear fixing cover 40 is fixedly installed in the middle of the second connecting shaft 41. The second connecting shaft 41 is fixedly connected to a pin through the second gear fixing cover 40 Gear 30, the bottom end of the second connecting shaft 41 is installed with a second expansion sleeve flange 43, and the inside of the second expansion sleeve flange 43 is installed with a second expansion sleeve 42. The second connecting shaft 41 is fixedly connected to the second sub-cover plate 31 through the second expansion sleeve flange 43. The second upper connecting plate 28 is fixedly installed with a work station detection mounting rod 32 by a nut, and the bottom end of the work station detection mounting rod 32 is fixedly installed with a work station detection mounting plate 33 by a screw; the second connecting shaft 41 is driven to rotate by the driving pin gear 30, and the second connecting shaft 41 drives the second sub-cover plate 31 to rotate. The second upper connecting plate 28 fixes the work station detection mounting plate 33 through the work station detection mounting rod 32. The work station detection mounting plate 33 is used to install a detection probe for detection through the probe.

[0034] The top end of the second connecting shaft 41 is installed with an inner cover 35 by screws, and the top and bottom ends of the third sleeve 37 are provided with second bearings 38. The third sleeve 37 is rotatably connected to the second connecting shaft 41 through two second bearings 38. The bottom end of the third sleeve 37 is installed with a second stop cover 39 to improve the rotation stability of the second connecting shaft 41.

[0035] Example 1:

[0036] When the embodiment of the present application is in use: the cover transmission gear 15 drives the third transmission gear 27 to rotate, the third transmission gear 27 drives the second transmission gear 23 to rotate, the second transmission gear 23 and the first transmission gear 22 are both on the first fixed shaft 24, the second transmission gear 23 and the first transmission gear 22 rotate synchronously, the first transmission gear 22 drives the transmission gear body 11 to rotate, the transmission gear body 11 drives the first connecting shaft 17 to rotate, and the first connecting shaft 17 drives the first sub-cover plate 2 to rotate;

[0037] The first transmission gear 22, the second transmission gear 23 and the third transmission gear 27 are meshed with each other to perform graded transmission. The original single plastic pin gear transmission mechanism is replaced by four sets of gears through a specific transmission ratio to allow the capping mechanism to drive the capping mechanism to achieve synchronization.

[0038] Example 2:

[0039] When the embodiment of the present application is in use: by driving the pin gear 30 to rotate, the pin gear 30 drives the second sub-cover plate 31 to rotate through the second connecting shaft 41, and the second upper connecting plate 28 fixes the station detection mounting plate 33 through the station detection mounting rod 32. The station detection mounting plate 33 is used to install the detection probe, and the probe is used for detection;

[0040] The difference from Example 1 is that the traditional multi-stage gear transmission is replaced by a pin gear 30 transmission to achieve synchronous operation.

[0041] 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 make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A lid separation mechanism composed of a multi-stage gear transmission, comprising a first upper connecting plate (1), a lower plate (9) and a middle plate (18), characterized in that: Three adjusting rods (7) are fixedly installed on the top of the lower plate (9), and the top ends of the three adjusting rods (7) are connected to the first column (5). The connection between the adjusting rod (7) and the first column (5) is provided with a nut sleeve (6), and the three nut sleeves (6) are fixed on the middle plate (18). The top ends of the three first columns (5) are fixedly connected to the first upper connecting plate (1). A main bearing seat (13) with a straight-through pressure injection cup is fixedly installed in the middle of the middle plate (18). A first connecting shaft (17) is rotatably connected in the main bearing seat (13). A first expansion flange (19) is installed at the bottom end of the first connecting shaft (17). The first connecting shaft (17) is fixedly connected to the first sub-cover plate (2) through the first expansion flange (19). A transmission gear body (11) is fixedly installed on the top end of the first connecting shaft (17). A workstation detection plate (10) is fixedly provided on the top of (11), the transmission gear body (11) is meshedly connected with a first transmission gear (22), a second fixed shaft (25) is fixedly provided in the middle of the first transmission gear (22), a second transmission gear (23) is installed in the middle of the second fixed shaft (25), the second transmission gear (23) is meshedly connected with a third transmission gear (27), the third transmission gear (27) is meshedly connected with a cover transmission gear (15), a first gear fixing cover is fixedly installed in the middle of the third transmission gear (27), the third transmission gear (27) is rotatably connected with the first fixed shaft (24) through the first gear fixing cover, the bottom end of the first fixed shaft (24) is fixedly connected to the middle plate (18), and the top and bottom ends of the second fixed shaft (25) are rotatably connected to the first upper connecting plate (1) and the middle plate (18) respectively.

2. The lid separation mechanism composed of a multi-stage gear transmission according to claim 1, characterized in that: The bottom end of the main bearing seat (13) is fixedly connected to the middle plate (18) by screws, and the top end of the main bearing seat (13) is fixedly installed with a main bearing seat cover (14) by screws. The bottom end of the main bearing seat (13) is provided with a first stop cover (8), and the top end of the main bearing seat cover (14) is installed with a first shaft sleeve (12) rotatably connected to the first connecting shaft (17), the top end of the first shaft sleeve (12) is in contact with the transmission gear body (11), and the first shaft sleeve (12) is sleeved on the first connecting shaft (17).

3. The lid separation mechanism composed of a multi-stage gear transmission according to claim 1, characterized in that: First bearings (16) are installed at the top and bottom ends of the main bearing seat (13), the middle of the third transmission gear (27), the connection between the first upper connecting plate (1) and the second fixed shaft (25), and the connection between the middle plate (18) and the second fixed shaft (25). The main bearing seat (13) is rotatably connected to the first connecting shaft (17) through two first bearings (16), the third transmission gear (27) is rotatably connected to the first fixed shaft (24) through the first bearing (16), the first upper connecting plate (1) is rotatably connected to the second fixed shaft (25) through the first bearing (16), and the middle plate (18) is rotatably connected to the second fixed shaft (25) through the first bearing (16).

4. The lid separation mechanism composed of a multi-stage gear transmission according to claim 1, characterized in that: The first connecting shaft (17) is fixedly connected to the upper pressure plate (3) and the lower pressure plate (4) of the sub-covering disc via a first expansion flange (19); the first sub-covering disc (2) is clamped between the upper pressure plate (3) and the lower pressure plate (4).

5. The lid separation mechanism composed of a multi-stage gear transmission according to claim 1, characterized in that: A first expansion sleeve (20) is installed inside the first expansion sleeve flange (19), and the first expansion sleeve (20) is connected to the first connecting shaft (17).

6. The lid separation mechanism composed of a multi-stage gear transmission according to claim 1, characterized in that: The top and bottom ends of the second fixed shaft (25) are fixedly mounted with pressure plates by screws, and the surface of the second fixed shaft (25) is sleeved with a second shaft sleeve (26) and a fourth shaft sleeve, the second shaft sleeve (26) is located between the first upper connecting plate (1) and the first transmission gear (22), and the fourth shaft sleeve is located between the first transmission gear (22) and the second transmission gear (23), and the first upper connecting plate (1) and the middle plate (18) are fixedly mounted with oil shielding covers (21) by screws, and the two oil shielding covers (21) are respectively arranged corresponding to the top and bottom ends of the second fixed shaft (25).

7. The lid separation mechanism composed of a multi-stage gear transmission according to claim 1, characterized in that: The outer side of the top of the lower plate (9) is fixedly connected with three second columns (29) by screws, and the tops of the three second columns (29) are fixedly connected to the second upper connecting plate (28) by screws. A flat washer (36) is installed in the middle of the second upper connecting plate (28) by screws, and a third shaft sleeve (37) with a straight-through pressure injection cup is installed in the middle of the flat washer (36). The top of the third shaft sleeve (37) is fixedly connected with an end cover (34) with a straight-through pressure injection cup by screws, and the bottom of the end cover (34) is fixedly connected with a third shaft sleeve (37) with a straight-through pressure injection cup by screws. A second connecting shaft (41) is rotatably connected in the third shaft sleeve (37). A second gear fixing cover (40) is fixedly installed on the middle part of the second connecting shaft (41), the second connecting shaft (41) is fixedly connected to the pin gear (30) through the second gear fixing cover (40), a second expansion sleeve flange (43) is installed at the bottom end of the second connecting shaft (41), a second expansion sleeve (42) is installed inside the second expansion sleeve flange (43), the second connecting shaft (41) is fixedly connected to the second sub-cover plate (31) through the second expansion sleeve flange (43), a work station detection mounting rod (32) is fixedly installed on the second upper connecting plate (28) through a nut, and the bottom end of the work station detection mounting rod (32) is fixedly installed with the work station detection mounting plate (33) through a screw.

8. The lid separating mechanism composed of a multi-stage gear transmission according to claim 7, characterized in that: The top end of the second connecting shaft (41) is mounted with an inner cover (35) by screws, the top end and the bottom end of the third sleeve (37) are both provided with second bearings (38), the third sleeve (37) is rotatably connected to the second connecting shaft (41) via two second bearings (38), and the bottom end of the third sleeve (37) is mounted with a second stop cover (39).