Transmission clutch structure of high-speed wheel type engineering equipment

Abstract

The utility model discloses a transmission clutch structure of high-speed wheel type engineering equipment, which comprises a shaft body, a friction component, a piston component, a gear A, a gear B and a gear C. One end of the shaft body is provided with an end cover, the friction component, the piston component, the gear A, the gear B and the gear C are all arranged on the shaft body, one end of the friction component is connected with one end of the piston component, and the other end of the piston component is connected with the shaft body. The other end of the friction assembly is connected with one end of the gear A. The other end of the piston assembly is provided with the gear C. The gear B is arranged at the other end of the gear A. According to the utility model, hydraulic oil is used for flushing, lubricating and radiating the clutch friction plate and the bearing B through the oil duct A, the hydraulic oil is used for taking away chippings generated by friction during working, and the chippings are filtered through the filter element, so that the cleanliness of a system and the service life and stability of system operation are ensured to the greatest extent. Hydraulic oil enters the oil duct B through the annular oil groove and then pushes the piston to press the friction plate to transmit power after entering the piston cylinder.

Description

Technical Field

[0001] The utility model belongs to the technical field of transmission clutch, and in particular relates to a transmission clutch structure of high-speed wheeled engineering equipment. Background Art

[0002] Part-time four-wheel drive systems are often used in high-speed wheeled engineering equipment. The transmission clutch system of the four-wheel drive system generates a lot of heat during operation. At the same time, the bearings and friction plates in the transmission will also generate a certain amount of debris due to operation. A transmission clutch system that can cool down the internal heat and remove debris can not only increase the service life of the equipment, but also reduce the corresponding maintenance costs.

[0003] The patent document with the publication number CN107588118A discloses an internal and external tooth friction plate type hydraulic clutch, comprising: a housing, the housing comprises a cylinder body, the cylinder body has a heat dissipation hole, an oil inlet hole for hydraulic oil to enter, and a receiving cavity for accommodating components; a power input assembly, the power input assembly comprises an input shaft and a first friction plate, the first friction plate is meshed with the input shaft; a power output assembly, the power output assembly comprises an output shaft and a second friction plate, the second friction plate is meshed with the output shaft, the first friction plate and the second friction plate are arranged at intervals and have a gap, and the first friction plate and the second friction plate are close to the heat dissipation hole; a pushing assembly, the pushing assembly is located in the receiving cavity, the pushing assembly can push the first friction plate and the second friction plate to fit; and a reset member, the reset member is arranged between the input shaft and the pushing assembly. The clutch is operated through the heat dissipation hole on the cylinder body, and two types of oils, lubricating oil and hydraulic oil, need to be provided, which increases the cost of use and maintenance.

[0004] The patent document with the publication number CN114645912A discloses a novel wet clutch structure, including a transmission shaft, the outer circumference of the transmission shaft is sleeved and fixed with an inner hub, the outer circumference wall of the inner hub is distributed with a clutch plate, and the side of the clutch plate is provided with a friction plate; the outer circumference sliding sleeve of the transmission shaft is provided with a piston, the piston is fixedly connected with the clutch plate, one side of the piston and the sealing baffle fixed on the transmission shaft form a hydraulic oil chamber; the outer side of the transmission shaft is provided with a clutch cover that is coaxial with the transmission shaft and can rotate freely, and the inner wall of the clutch cover is distributed with a plurality of steel plates, each of which is inserted between two clutch plates, and the other side of the piston and the inner hub are provided with an elastic component that keeps the steel plate and the clutch plate in a non-contact state. The clutch is provided with dual oil channels for hydraulic and cooling control respectively, but the hydraulic oil chamber needs to be filled with a large amount of oil, and the structure is not suitable for heat dissipation and cooling of the friction plate provided on the rotating shaft. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a transmission clutch structure of high-speed wheeled engineering equipment.

[0006] The utility model is realized through the following technical solutions.

[0007] The utility model provides a transmission clutch structure of high-speed wheeled engineering equipment, comprising a shaft body, a friction assembly, a piston assembly, a gear A, a gear B and a gear C, wherein an end cover is arranged at one end of the shaft body, the friction assembly, the piston assembly, the gear A, the gear B and the gear C are all arranged on the shaft body, one end of the friction assembly is connected to one end of the piston assembly, the other end of the friction assembly is connected to one end of the gear A, the other end of the piston assembly is arranged with the gear C, and the gear B is arranged at the other end of the gear A.

[0008] Preferably, an oil passage A and an oil passage B are provided in the shaft body, the oil passage A is connected to the friction assembly and the bearing B respectively, and the oil passage B is connected to the piston assembly.

[0009] Preferably, a floating seal, a bearing A, a bearing B, a bearing C and a bearing D are arranged on the shaft body, the floating seal is arranged on the side of the shaft body close to the end cover, an end cover is arranged on one side of the bearing A, a piston assembly is arranged on the other side of the bearing A, the shaft body is connected to the gear A through an oil channel B, gear A is arranged on one side of the bearing C, gear B is arranged on the other side of the bearing C, and bearing D is arranged on the other side of the gear B.

[0010] Preferably, a protrusion, a hole A and an oil port B are provided on the end cover, the oil port A is provided on the protrusion, and two oil ports B are provided.

[0011] Preferably, an annular oil passage is provided on the shaft body, and a right-angle oil hole is provided on the annular oil passage.

[0012] Preferably, the friction assembly includes an outer shell and a friction plate, a partition A and a partition B are arranged in the outer shell, an opening A is arranged on the side of the outer shell close to the piston assembly, the partition A and the partition B are arranged in a staggered manner, and the friction plate is placed between the partitions A.

[0013] Preferably, the piston assembly comprises a piston cylinder and a piston, an oil groove and an opening B are arranged on the piston cylinder, the piston is placed in the piston cylinder, and the opening B is arranged close to one side of the friction assembly.

[0014] Preferably, an oil port C is provided on the housing.

[0015] Preferably, a boss and an internal gear A are arranged in the shaft body, and an internal gear B is arranged on the boss.

[0016] Preferably, the diameter of gear A is greater than the diameter of gear B, and the diameter of gear B is greater than the diameter of gear C.

[0017] The beneficial effects of the utility model are:

[0018] The utility model uses hydraulic oil to lubricate and dissipate heat for the clutch system while being able to act independently; the hydraulic oil is transmitted through the annular oil groove structure; and limited sealing is performed through the floating seal structure so that the two oil paths do not interfere with each other. The utility model uses oil passage A to allow hydraulic oil to flush, lubricate and dissipate heat for the clutch friction plate and bearing B, and uses hydraulic oil to take away debris generated by friction during operation, and filters it through the filter element, thereby ensuring the cleanliness of the system and the life and stability of the system operation to the greatest extent. The hydraulic oil enters oil passage B through the annular oil groove, and after entering the piston cylinder, it pushes the piston to press the friction plate to transmit power. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of area A of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the connection between the end cover and the shaft body of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the end cover of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the end cover of the utility model;

[0025] Figure 7 It is a structural schematic diagram of the annular oil passage of the utility model;

[0026] Figure 8 It is a structural schematic diagram of the annular oil passage of the utility model;

[0027] In the figure: 1-shaft body, 101-oil channel A, 102-oil channel B, 103-floating seal, 104-bearing A, 105-bearing B, 106-bearing C, 107-bearing D, 108-boss, 109-internal gear A, 110 internal gear B, 2-friction assembly, 201-housing, 202-friction plate, 203-partition A, 204-partition B, 205-opening A, 206-oil port C, 3-piston assembly, 301-piston cylinder, 302-piston, 303-oil groove, 304-opening B, 4-gear A, 5-gear B, 6-gear C, 7-end cover, 701-protrusion, 702-hole A, 703-oil port B, 704-oil port A, 8-annular oil channel, 801-right angle oil hole. DETAILED DESCRIPTION

[0028] The technical solution of the utility model is further described below, but the scope of protection required is not limited to the description.

[0029] Example:

[0030] like Figures 1 to 8 As shown, a transmission clutch structure of high-speed wheeled engineering equipment includes a shaft body 1, a friction assembly 2, a piston assembly 3, a gear A4, a gear B5 and a gear C6. An end cover 7 is arranged at one end of the shaft body 1, and the friction assembly 2, the piston assembly 3, the gear A4, the gear B5 and the gear C6 are all arranged on the shaft body 1. One end of the friction assembly 2 is connected to one end of the piston assembly 3, and the other end of the friction assembly 2 is connected to one end of the gear A4. The other end of the piston assembly 3 is provided with a gear C6, and the gear B5 is arranged at the other end of the gear A4.

[0031] The shaft body 1 is provided with an oil passage A101 and an oil passage B102, the oil passage A101 is connected to the friction assembly 2 and the bearing B105 respectively, and the oil passage B102 is connected to the piston assembly 3. The hydraulic oil enters the oil passage A101 through the oil port A704 to continuously lubricate and dissipate heat for the friction plate 202 and the bearing B105, and another stream of hydraulic oil enters the oil passage B102 through the oil port B703 to push the piston 302 to press the friction plate 202 to transmit torque as required.

[0032] A floating seal 103, a bearing A104, a bearing B105, a bearing C106 and a bearing D107 are arranged on the shaft body 1. The floating seal 103 is arranged on the side of the shaft body 1 close to the end cover 7. The end cover 7 is arranged on one side of the bearing A104, that is, the end away from the gear B5, which plays a role in sealing the oil passage A101 and the oil passage B102. A piston assembly 3 is arranged on the other side of the bearing A104. The shaft body 1 is connected to the gear A4 through the oil passage B102, and the bearing B105 is connected to the oil passage B102. The gear A4 is arranged on one side of the bearing C106, the gear B5 is arranged on the other side of the bearing C106, and the bearing D107 is arranged on the other side of the gear B5.

[0033] The end cover 7 is provided with a protrusion 701, a hole A702 and an oil port B703. The protrusion 701 is provided with an oil port A704, the oil port A704 is connected to the oil passage A101, the oil port B703 is connected to the oil passage B102 through the annular oil passage 8, and two oil ports B703 are provided. The end cover 7 can be fixedly connected to the shaft body 1 by passing a bolt through the hole A702.

[0034] An annular oil passage 8 is arranged on the shaft body 1, and a right-angle oil hole 801 is arranged on the annular oil passage 8. The annular oil passage 8 is connected with the oil passage B102 through the right-angle oil hole 801. A floating seal 103 is arranged on both sides of the annular oil passage 8 to seal the annular oil passage 8 to avoid interference between the two hydraulic oils in the oil passage A101 and the oil passage B102. The two oil pressures can act independently.

[0035] The friction assembly 2 includes an outer shell 201 and a friction plate 202. A partition A203 and a partition B204 are arranged in the outer shell 201. An opening A205 is arranged on the side of the outer shell 201 close to the piston assembly 3. The partitions A203 and B204 are arranged in a staggered manner. The friction plate 202 is placed between the partitions A203. The friction plate 202 is arranged in several pieces. The partition B204 is arranged at the bottom of the friction plate 202. The partition B204 has a limiting and fixing effect on the friction plate 202.

[0036] The piston assembly 3 includes a piston cylinder 301 and a piston 302. The piston cylinder 301 is provided with an oil groove 303 and an opening B304. One end of the oil groove 303 can be connected with the oil passage B102, so that the hydraulic oil can enter the piston assembly 3. The piston 302 is placed in the piston cylinder 301. The opening B304 is arranged close to one side of the friction assembly 2. The piston 302 and the friction plate 202 are in contact through the partition A203. The hydraulic oil enters the piston cylinder 301 and then pushes the piston 302 to press the friction plate 202 to transmit power.

[0037] The housing 201 is provided with an oil port C206 , and the housing 201 is connected with the oil passage A101 through the oil port C206 , so that the hydraulic oil can enter the housing 201 .

[0038] The shaft body 1 is provided with a boss 108 and an internal gear A109, and the boss 108 is provided with an internal gear B110. The boss 108 and the internal gear A109 are arranged on the side of the shaft body 1 close to the gear B5. The internal gear A109 and the internal gear A109 mesh with the gear teeth on other shafts to achieve the effect of outputting torque at different speed ratios.

[0039] The diameter of the gear A4 is greater than the diameter of the gear B5, and the diameter of the gear B5 is greater than the diameter of the gear C6, so as to achieve the effect of outputting torques at different speed ratios.

Claims

1. A transmission clutch structure for high-speed wheeled engineering equipment, characterized in that: The invention comprises a shaft body (1), a friction assembly (2), a piston assembly (3), a gear A (4), a gear B (5) and a gear C (6); an end cover (7) is arranged at one end of the shaft body (1); the friction assembly (2), the piston assembly (3), the gear A (4), the gear B (5) and the gear C (6) are all arranged on the shaft body (1); one end of the friction assembly (2) is connected to one end of the piston assembly (3); the other end of the friction assembly (2) is connected to one end of the gear A (4); the gear C (6) is arranged at the other end of the piston assembly (3); and the gear B (5) is arranged at the other end of the gear A (4).

2. The transmission clutch structure of high-speed wheeled engineering equipment according to claim 1, characterized in that: An oil passage A (101) and an oil passage B (102) are arranged in the shaft body (1); the oil passage A (101) is respectively connected to the friction assembly (2) and the bearing B (105); and the oil passage B (102) is connected to the piston assembly (3).

3. The transmission clutch structure of high-speed wheeled engineering equipment according to claim 1, characterized in that: The shaft body (1) is provided with a floating seal (103), a bearing A (104), a bearing B (105), a bearing C (106) and a bearing D (107); the floating seal (103) is provided on the side of the shaft body (1) close to the end cover (7); the end cover (7) is provided on one side of the bearing A (104); the piston assembly (3) is provided on the other side of the bearing A (104); the shaft body (1) is connected to the gear A (4) through an oil passage B (102); the gear A (4) is provided on one side of the bearing C (106); the gear B (5) is provided on the other side of the bearing C (106); and the bearing D (107) is provided on the other side of the gear B (5).

4. The transmission clutch structure of high-speed wheeled engineering equipment according to claim 1, characterized in that: The end cover (7) is provided with a protrusion (701), a hole A (702) and an oil port B (703); the protrusion (701) is provided with an oil port A (704), and two oil ports B (703) are provided.

5. The transmission clutch structure of high-speed wheeled engineering equipment according to claim 1, characterized in that: An annular oil passage (8) is provided on the shaft body (1), and a right-angle oil hole (801) is provided on the annular oil passage (8).

6. The transmission clutch structure of high-speed wheeled engineering equipment according to claim 1, characterized in that: The friction assembly (2) comprises an outer shell (201) and a friction plate (202); a partition A (203) and a partition B (204) are arranged in the outer shell (201); an opening A (205) is arranged on the side of the outer shell (201) close to the piston assembly (3); a plurality of partitions A (203) and partitions B (204) are arranged in a staggered manner; and the friction plate (202) is placed between the partitions A (203).

7. The transmission clutch structure of high-speed wheeled engineering equipment according to claim 1, characterized in that: The piston assembly (3) comprises a piston cylinder (301) and a piston (302). The piston cylinder (301) is provided with an oil groove (303) and an opening B (304). The piston (302) is placed in the piston cylinder (301), and the opening B (304) is provided close to one side of the friction assembly (2).

8. The transmission clutch structure of high-speed wheeled engineering equipment according to claim 6, characterized in that: The housing (201) is provided with an oil port C (206).

9. The transmission clutch structure of high-speed wheeled engineering equipment according to claim 1, characterized in that: A boss (108) and an internal gear A (109) are arranged inside the shaft body (1), and an internal gear B (110) is arranged on the boss (108).

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