High-horsepower tractor sleeve assembly
By designing a high-horsepower tractor casing assembly, the rotary driving mechanism and the circulating flow of cooling mineral oil are used to solve the problem of insufficient heat dissipation of the half-shaft sleeve, and the effective cooling of the half-shaft sleeve and the service life are extended.
Patent Information
- Application Number
- CN202420555250.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-21
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-21
AI Technical Summary
The existing half-axle bushings for high-horsepower tractors do not have heat dissipation function, which causes high temperature, damage or deformation of the half-axle bushing during high load operation.
A high-horsepower tractor casing assembly is designed, including components such as half-shaft sleeves, adjustable drive shafts, heat dissipation ring box and transport wheel. The rotary drive mechanism drives the rotation of the transfer wheel, and the cooling mineral oil is connected through the docking chamber and the transfer chamber, thereby achieving heat dissipation and cooling of the half-shelves.
It effectively reduces the temperature of the half-shaft bushing and adjustable drive shaft, extends its service life, reduces equipment manufacturing costs, and improves the reliability of the transmission mechanism.
Smart Images
Figure CN222572003U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tractors, in particular to a sleeve assembly of a high-horsepower tractor. Background Art
[0002] A tractor is a self-propelled power machine used to tow and drive work machinery to complete various mobile operations. It can also be used as a fixed working power. It is composed of engine, transmission, travel, steering, hydraulic suspension, power output, electrical instruments, driving control and traction systems or devices. The engine power is transmitted to the drive wheels through the transmission system to make the tractor move.
[0003] Relevant technicians engaged in tractor maintenance have found in their work that the existing half-axle sleeves for high-horsepower tractors do not have a heat dissipation function. High-horsepower working torque is high and the working time is long. When the half-axle sleeves generate high temperature due to long-term work, the half-axle sleeves will be damaged. In severe cases, the half-axle sleeves will be deformed. For this reason, we propose a high-horsepower tractor sleeve assembly. Utility Model Content
[0004] The purpose of the utility model is to solve the problem that the existing half-axle sleeves for high-horsepower tractors have no heat dissipation function, the high-horsepower working torque is high, the working time is long, and the half-axle sleeves are damaged when high temperature is generated due to long-term work, and the half-axle sleeves are deformed in serious cases. The utility model provides a high-horsepower tractor sleeve assembly.
[0005] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:
[0006] A high-horsepower tractor casing assembly comprises a half-axle sleeve, wherein the center of the half-axle sleeve is rotatably connected with an adjustable driving shaft, and the right side of the adjustable driving shaft is connected with a right half-axle through a planetary carrier transmission, the left side of the adjustable driving shaft is fixedly connected with a driving hub through a hub fixing slip, and the outer side of the driving hub is fixedly connected with a driving wheel through bolts, a heat dissipation annular box is arranged in the middle of the outer wall of the half-axle sleeve, and a docking ring seat is sleeved and fixed on the left side of the outer wall of the half-axle sleeve, a transfer wheel is rotatably mounted on the outer wall of the half-axle sleeve corresponding to the left side of the docking ring seat through a large-diameter bearing, a rotating driving mechanism is arranged on the outer wall of the adjustable driving shaft corresponding to the left side of the half-axle sleeve, a plurality of transfer cavities are evenly distributed on the right side of the transfer wheel, and a plurality of transfer cavities are all provided with docking holes at the center of one side of the docking ring seat, a docking cavity is symmetrically provided on the left side of the docking ring seat, and the size of the docking cavity is the same as that of the transfer cavity, the left side of the docking cavity is open, and the right sides of the upper and lower docking cavities are respectively connected with the inner cavity of the heat dissipation annular box.
[0007] Furthermore, the rotary drive mechanism includes a drive disk, which is sleeved on the left side of the adjustable drive shaft, and the right side of the drive disk is abutted against the shoulder of the adjustable drive shaft. The bottom of the outer wall of the adjustable drive shaft is threadedly connected with a positioning bolt, and the positioning bolt is abutted against the left side of the drive disk, and the outer ring of the drive disk is transmission-connected to the outer ring of the transfer wheel.
[0008] Furthermore, the right outer ring array of the driving disk is fixedly connected with a plurality of driving magnets, and the left outer ring array of the transfer wheel is fixedly connected with a plurality of driven magnets, and the magnetic poles of the plurality of driving magnets and the plurality of driven magnets are opposite on one side.
[0009] Furthermore, a contact sealing gasket is fixedly connected to the left side of the docking ring seat near the outer ring, and the width of the contact sealing gasket is greater than the height of the transfer cavity.
[0010] Furthermore, the corresponding docking cavities on the right side of the docking ring seat are fixedly connected with connecting pipes, and the upper and lower outer walls of the heat dissipation ring box are respectively fixedly connected with ring box connecting seats, the ring box connecting seat is connected with the inner cavity of the heat dissipation ring box, and the upper and lower ring box connecting seats are both connected with the connecting pipes on the corresponding side.
[0011] Furthermore, a liquid-absorbing fiber pad is fixedly connected to the inner wall of the inner cavity of the heat dissipation annular box.
[0012] The beneficial effects of the utility model are as follows:
[0013] 1. The utility model provides a half-axle sleeve, and the adjustable driving shaft in the half-axle sleeve can be driven to rotate through the planetary carrier, driving the driving wheel hub to rotate, thereby driving the driving wheel of the tractor to move. Through the provided docking ring seat and the transfer wheel, the transfer wheel is driven to rotate by the adjustable driving shaft through the rotating driving mechanism, and the upper and lower docking chambers of the docking ring seat are respectively connected with the inner cavity of the heat dissipation annular box up and down. The heat dissipation annular box is filled with cooling mineral oil, and the cooling mineral oil at the bottom enters the lower docking chamber under the action of gravity, and then enters the transfer chamber aligned with the lower docking chamber, and is driven to move upward by the transfer wheel. During the upward movement, the cooling mineral oil is dissipated and cooled by the transfer wheel. When the cooling mineral oil is cooled, it is transferred to be aligned with the upper docking chamber, and then flows into the upper docking chamber under the action of gravity, and then flows into the upper side of the heat dissipation annular box to shower, cool the outer wall of the half-axle sleeve, and cool the auxiliary sleeve assembly, so as to ensure the stability of the temperature of the half-axle sleeve when the high-horsepower tractor works under high load, and improve the service life of the half-axle sleeve and the adjustable driving shaft.
[0014] 2. The utility model provides a driving disk, which can rotate along with the adjustable driving shaft, and can drive the transfer wheel to rotate through the driving disk, without the need for an external power source, thereby reducing the manufacturing cost of the equipment. The driving magnet and the driven magnet are provided, and the driving magnet and the driven magnet are linked by magnetic attraction, thereby realizing the transmission of the driving disk and the transfer wheel without direct connection, avoiding distortion caused by misalignment of the driving disk and the transfer wheel when the adjustable driving shaft rotates too fast, thereby ensuring the reliable use of the transmission mechanism.
[0015] 3. The utility model provides a liquid-absorbing fiber pad, which can absorb cooling mineral oil, so that the cooling mineral oil diffuses along the fibers of the liquid-absorbing fiber pad on the outer wall of the semi-axle sleeve, thereby improving the heat exchange and heat dissipation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional diagram of the utility model;
[0017] Figure 2 It is a front cross-sectional view of the utility model;
[0018] Figure 3 It is a side sectional view of the transfer wheel of the utility model;
[0019] Figure 4 It is a side sectional view of the docking ring seat of the utility model.
[0020] Figure numerals: 1. half-axle sleeve; 2. adjustable drive shaft; 3. planetary carrier; 4. drive hub; 5. hub fixing cava; 6. heat dissipation annular box; 7. annular box connecting seat; 8. connecting pipe; 9. docking ring seat; 10. drive disk; 11. drive magnet; 12. transfer wheel; 13. driven magnet; 14. transfer chamber; 15. docking hole; 16. docking chamber; 17. contact sealing gasket; 18. positioning bolt; 19. liquid-absorbent fiber pad. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.
[0022] See also Figure 1-Figure 4The utility model provides a high-horsepower tractor casing assembly, including a half-axle sleeve 1, the center of the half-axle sleeve 1 is rotatably connected to an adjustable drive shaft 2, and the right side of the adjustable drive shaft 2 is connected to a right half-axle through a planetary carrier 3, the left side of the adjustable drive shaft 2 is fixedly connected to a drive hub 4 through a hub fixing slip 5, and the outer side of the drive hub 4 is fixedly connected to a drive wheel through bolts, a heat dissipation annular box 6 is arranged in the middle of the outer wall of the half-axle sleeve 1, and a docking ring seat 9 is sleeved and fixed on the left side of the outer wall of the half-axle sleeve 1, and the outer wall of the half-axle sleeve 1 corresponds to the docking ring seat 9 A transfer wheel 12 is rotatably installed on the left side through a large-diameter bearing, and a rotating drive mechanism is provided on the outer wall of the adjustable driving shaft 2 corresponding to the left side of the half-axle sleeve 1. A plurality of transfer cavities 14 are evenly distributed on the right side of the transfer wheel 12, and a docking hole 15 is provided at the center of one side of the plurality of transfer cavities 14 facing the docking ring seat 9. A docking cavity 16 is symmetrically provided on the left side of the docking ring seat 9, and the size of the docking cavity 16 is the same as that of the transfer cavity 14. The left side of the docking cavity 16 is open, and the right sides of the upper and lower docking cavities 16 are respectively connected to the inner cavity of the heat dissipation ring box 6.
[0023] In the present embodiment, preferably, the rotating drive mechanism includes a driving disk 10, which is sleeved on the left side of the adjustable driving shaft 2, and the right side of the driving disk 10 is abutted against the shoulder of the adjustable driving shaft 2, and the bottom of the outer wall of the adjustable driving shaft 2 is threadedly connected with a positioning bolt 18, and the positioning bolt 18 is abutted against the left side of the driving disk 10, and the outer ring of the driving disk 10 is transmission-connected to the outer ring of the transfer wheel 12; through the setting of the driving disk 10, the driving disk 10 can rotate with the adjustable driving shaft 2, and can drive the transfer wheel 12 to rotate through the driving disk 10, without the need for an external power source, thereby reducing the manufacturing cost of the equipment.
[0024] In the present embodiment, preferably, the right outer ring array of the driving disk 10 is fixedly connected with a plurality of driving magnets 11, and the left outer ring array of the transfer wheel 12 is fixedly connected with a plurality of driven magnets 13, and the magnetic poles of the plurality of driving magnets 11 and the plurality of driven magnets 13 on one side are opposite; by setting the driving magnets 11 and the driven magnets 13, the driving magnets 11 and the driven magnets 13 are linked by magnetic attraction, thereby realizing the transmission of the driving disk 10 and the transfer wheel 12 without direct connection, avoiding the distortion caused by the misalignment of the driving disk 10 and the transfer wheel 12 when the adjustable driving shaft 2 rotates too fast, thereby ensuring the reliable use of the transmission mechanism.
[0025] In the present embodiment, preferably, a contact sealing gasket 17 is fixedly connected to the left side of the docking ring seat 9 near the outer ring, and the width of the contact sealing gasket 17 is greater than the height of the transfer chamber 14; through the provision of the contact sealing gasket 17, the contact sealing gasket 17 is in contact and friction with the right side of the transfer chamber 14, thereby ensuring the sealing of the right side of the transfer chamber 14 during rotational transfer.
[0026] In the present embodiment, preferably, the corresponding docking cavity 16 on the right side of the docking ring seat 9 is fixedly connected with a connecting pipe 8, and the upper and lower outer walls of the heat dissipation ring box 6 are respectively fixedly connected with annular box connecting seats 7, the annular box connecting seat 7 is connected with the inner cavity of the heat dissipation ring box 6, and the upper and lower annular box connecting seats 7 are both connected with the connecting pipe 8 on the corresponding side; by setting the annular box connecting seat 7 and the connecting pipe 8, the annular box connecting seat 7 and the connecting pipe 8 facilitate the connection between the docking ring seat 9 and the heat dissipation ring box 6.
[0027] In this embodiment, preferably, a liquid absorbent fiber pad 19 is fixedly connected to the inner wall of the inner cavity of the heat dissipation annular box 6; through the arrangement of the liquid absorbent fiber pad 19, the liquid absorbent fiber pad 19 can absorb the cooling mineral oil, so that the cooling mineral oil diffuses along the fibers of the liquid absorbent fiber pad 19 on the outer wall of the half-axle sleeve 1, thereby improving the heat exchange and heat dissipation efficiency.
[0028] The working principle and use process of the utility model are as follows: when the device is used, the adjustable drive shaft 2 in the half-axle sleeve 1 can be driven to rotate through the planetary frame 3, driving the drive wheel hub 4 to rotate, thereby driving the drive wheel of the tractor to move, and the transfer wheel 12 is driven to rotate by the adjustable drive shaft 2 through the rotary drive mechanism through the provided docking ring seat 9. The upper and lower docking cavities 16 of the docking ring seat 9 are respectively connected with the inner cavity of the heat dissipation annular box 6. The heat dissipation annular box 6 is filled with cooling mineral oil. The cooling mineral oil at the bottom is cooled by gravity. It enters the lower docking cavity 16, and then enters the transfer cavity 14 aligned with the lower docking cavity 16, and is driven upward by the transfer wheel 12. During the upward movement, the heat is dissipated and cooled by the transfer wheel 12. When the cooling mineral oil is cooled, it is transferred to be aligned with the upper docking cavity 16, and then flows into the upper docking cavity 16 under the action of gravity, and then flows into the upper side of the heat dissipation annular box 6 to cool the outer wall of the half-axle sleeve 1 and the cooling of the auxiliary sleeve assembly, thereby ensuring the stability of the temperature of the half-axle sleeve 1 when the high-horsepower tractor is working under high load, and improving the service life of the half-axle sleeve 1 and the adjustable drive shaft 2.
[0029] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A high-horsepower tractor casing assembly, comprising a half-axle sleeve (1), wherein the center of the half-axle sleeve (1) is rotatably connected to an adjustable drive shaft (2), and the right side of the adjustable drive shaft (2) is transmission-connected to a right half-axle via a planet carrier (3), and the left side of the adjustable drive shaft (2) is fixedly connected to a drive hub (4) via a hub fixing slip (5), and the outer side of the drive hub (4) is fixedly connected to a drive wheel via bolts, characterized in that: A heat dissipation annular box (6) is arranged in the middle of the outer wall of the semi-axle sleeve (1), and a docking ring seat (9) is sleeved and fixed on the left side of the outer wall of the semi-axle sleeve (1). A transfer wheel (12) is rotatably mounted on the outer wall of the semi-axle sleeve (1) corresponding to the left side of the docking ring seat (9) through a large-diameter bearing. A rotation drive mechanism is arranged on the outer wall of the adjustable drive shaft (2) corresponding to the left side of the semi-axle sleeve (1). A plurality of transfer cavities (14) are evenly distributed on the right side of the transfer wheel (12), and a docking hole (15) is provided at the center of one side of the plurality of transfer cavities (14) facing the docking ring seat (9). A docking cavity (16) is symmetrically provided on the left side of the docking ring seat (9) in the upper and lower directions, and the size of the docking cavity (16) is the same as that of the transfer cavity (14). The left side of the docking cavity (16) is open, and the right sides of the upper and lower docking cavities (16) are respectively connected to the inner cavity of the heat dissipation annular box (6).
2. A high-horsepower tractor casing assembly according to claim 1, characterized in that: The rotary drive mechanism comprises a drive disc (10), wherein the drive disc (10) is sleeved on the left side of an adjustable drive shaft (2), and the right side of the drive disc (10) abuts against the shoulder of the adjustable drive shaft (2), a positioning bolt (18) is threadedly connected to the bottom of the outer wall of the adjustable drive shaft (2), and the positioning bolt (18) abuts against the left side of the drive disc (10), and the outer ring of the drive disc (10) is drivingly connected to the outer ring of the transfer wheel (12).
3. A high-horsepower tractor bushing assembly according to claim 2, characterized in that: The right outer ring array of the driving disk (10) is fixedly connected to a plurality of driving magnets (11), and the left outer ring array of the transfer wheel (12) is fixedly connected to a plurality of driven magnets (13), and the magnetic poles of the plurality of driving magnets (11) and the plurality of driven magnets (13) are opposite on one side.
4. The high-horsepower tractor casing assembly according to claim 1, characterized in that: A contact sealing pad (17) is fixedly connected to the left side of the docking ring seat (9) near the outer ring, and the width of the contact sealing pad (17) is greater than the height of the transfer cavity (14).
5. The high-horsepower tractor casing assembly according to claim 1, characterized in that: The corresponding docking cavity (16) on the right side of the docking ring seat (9) is fixedly connected to a connecting pipe (8), and the outer wall of the heat dissipation ring box (6) is fixedly connected to the upper and lower ring box connecting seats (7), respectively, the ring box connecting seat (7) is connected to the inner cavity of the heat dissipation ring box (6), and the upper and lower ring box connecting seats (7) are both connected to the connecting pipe (8) on the corresponding side.
6. The high-horsepower tractor bushing assembly according to claim 1, characterized in that: A liquid-absorbing fiber pad (19) is fixedly connected to the inner wall of the inner cavity of the heat dissipation annular box (6).