A power output wet clutch

Abstract

The present invention discloses a power output wet clutch, which relates to the technical field of clutches. It includes an input shaft, a double gear, a connecting sleeve, a clutch housing and an end cover. The double gear is of a hollow structure. The input shaft passes through the central hole at one end of the double gear and is connected to the internal spline of the connecting sleeve. The other end of the double gear is connected to one end of the clutch housing by bolts. By setting the input shaft, power is transmitted through the internal and external splines of the connecting sleeve, and power conduction is carried out through the connection between the internal and external splines of the connecting sleeve and the friction plate. At the same time, a hydraulic engagement mechanism is composed of the double gear, the connecting sleeve, the elastic element, the friction plate, the clutch partition plate, the piston and the clutch housing, and power engagement is controlled by an electro-hydraulic control mechanism. The structure is simple and the design is reasonable. The wet clutch replaces the dry clutch, realizes the speed conversion of the power output shaft and the power disconnection and connection, reduces the fatigue of the operator during the working process, and improves the operation efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic component production, and particularly to a power output wet clutch. Background Art

[0002] A clutch cooled by oil is called a wet clutch. Its cooling oil does not protect the friction plates, but makes the power transmission smooth and gentle, and generally does not malfunction, unless the operating procedures are violated and the clutch is often in a semi-clutch state. It is mostly used in automatic transmissions, such as the commonly used manual-automatic integrated transmission. The clutch is engaged by pressing multiple steel plates and friction plates through the action of a hydraulic cylinder, and the steel plates and friction plates are separated under the action of spring force after the oil returns.

[0003] At present, most power take-off shafts of tractors have two output speeds. During the operation of the power take-off shaft, the gear needs to be shifted according to different working environments, and the power needs to be cut off when it is in a non-working state. Most of the existing power output structures achieve separation control through a dry clutch. When shifting gears and cutting off power, it is necessary to first separate the dry clutch through the operating system to cut off the power transmitted by the engine, and then operate the shift lever to change the rotational speed of the power take-off shaft or cut off the power. Since the dry clutch is airtight and has poor lubrication and heat dissipation during use, it is easy to cause high temperature, thus reducing the service life and malfunctioning. At the same time, the clutch operating system generally has a large operating force and cumbersome operating steps. Long-term and frequent shifting by the driver increases the driver's operating intensity and greatly reduces the operating efficiency. Therefore, a power output wet clutch is proposed to solve the above problems. Summary of the Invention

[0004] The present invention provides a power output wet clutch, which has the advantages of simple structure, convenient operation, low maintenance cost and long service life, so as to solve the problems that general clutches do not have simple structure, convenient operation, low maintenance cost and long service life.

[0005] To achieve the purpose of having a simple structure, convenient operation, low maintenance cost and long service life, the present invention provides the following technical solution: A power output wet clutch includes an input shaft, a double gear, a connecting sleeve, a clutch housing and an end cover. The double gear is of a hollow structure. The input shaft passes through the central hole at one end of the double gear and is connected to the internal spline of the connecting sleeve. The other end of the double gear is connected to one end of the clutch housing by bolts. A pressing area is formed between the clutch housing and the double gear. The other end of the clutch housing is fixed in the end cover through a bearing. An oil lubrication channel is arranged in the end cover. The lubricating oil joint is installed at one end of the above oil lubrication channel. A pressure oil inlet is provided on the outer wall of the end cover. A sealing ring is arranged at the connection between the clutch housing and the end cover.

[0006] The pressing area is provided with a friction plate, a clutch partition and a piston. The friction plate is engaged with the spline on the outer periphery of the connecting sleeve and can move axially along the connecting sleeve. The clutch partition is respectively engaged with the spline groove on the inner wall of the clutch housing and can move axially along the clutch housing. The clutch housing is provided with a piston groove at one end close to the double gear. The piston is installed in the piston groove provided in the clutch housing. The outer sealing ring and the inner sealing ring are sealed and cooperated to form a hydraulic chamber for driving the multiple friction plates and the multiple clutch partitions to be pressed together. The other end of the piston is elastically pressed with an elastic element to separate the multiple friction plates and the multiple clutch partitions from each other. One end of the elastic element is positioned on the clutch housing through a positioning piece.

[0007] As a preferred technical solution of the present invention, one end of the lubricating oil channel is arranged in the space formed at the junction of the clutch housing and the end cover, the bearing and one end of the lubricating oil channel arranged in the clutch housing are connected, and the other end opening of the lubricating oil channel arranged in the clutch housing is arranged in the pressing area.

[0008] As a preferred technical solution of the present invention, the shape and size of the piston groove match the shape and size of the piston, and the piston is movably engaged with the clutch housing through the piston groove.

[0009] As a preferred technical solution of the present invention, a seal is provided at the connection between the piston and the clutch housing, and one end of the piston close to the clutch partition is elastically pressed against an elastic element.

[0010] As a preferred technical solution of the present invention, a spline is provided on the outer wall of one end of the input shaft, and the shape and size of the input shaft spline match the shape and size of the spline in the connecting sleeve. The input shaft is arranged inside the connecting sleeve through the spline engagement.

[0011] As a preferred technical solution of the present invention, a bearing is embedded at one end of the clutch housing, and the end of the bearing away from the clutch housing is fixedly connected to the cover, and the clutch housing is connected to the end cover through the bearing.

[0012] As a preferred technical solution of the present invention, the friction plate, clutch partition plate and piston are arranged in an interlaced manner inside the pressing area, the friction plate and clutch partition plate are arranged coaxially, and the device adopts an electro-hydraulic control mechanism to control power.

[0013] As a preferred technical solution of the present invention, one end of the bolt passes through the inside of one side of the duplex gear and extends to the inside of the clutch housing, and the clutch housing is connected to the duplex gear via the bolt.

[0014] As a preferred technical solution of the present invention, a concentric shaft is provided inside the device. One end of the concentric shaft is arranged inside the bearing, and the other end of the concentric shaft penetrates through the inside of the friction plate and the inside of the clutch partition respectively, and extends to one end of the input shaft. The concentric shaft is in interference fit connection with one end of the input shaft.

[0015] As a preferred technical solution of the present invention, spline grooves are provided on the inner wall of the clutch housing. The clutch partition is in interference fit connection with the clutch housing through the spline grooves provided on the inner wall of the clutch housing.

[0016] Compared with the prior art, the present invention provides a power output wet clutch, which has the following beneficial effects:

[0017] 1. For this power output wet clutch, by providing an input shaft, power is transmitted through the internal and external splines of the input shaft and the connecting sleeve, and power conduction is carried out through the connection between the internal and external splines of the connecting sleeve and the friction plate. At the same time, a hydraulic engagement mechanism is composed of a double - joint gear, a connecting sleeve, an elastic element, a friction plate, a clutch partition, a piston and a clutch housing, and power engagement is controlled by an electro - hydraulic control mechanism. The structure is simple and the design is reasonable. The dry clutch is replaced by a wet clutch to realize the speed change and power disconnection and connection of the power output shaft, reduce the fatigue of the operator during the working process, and improve the operation efficiency.

[0018] 2. For this power output wet clutch, by providing a piston, through its connection with the elastic element, in the initial state of the device, the elastic element is in an extended state and presses the piston, so that the friction plate and the clutch partition are separated from each other. When pressure oil is input into the hydraulic chamber through the oil passage, under the action of the pressure oil, the piston moves towards the pressing area to compress the elastic element, and at the same time pushes the friction plate and the clutch partition to be combined, so that the connecting sleeve, the clutch housing and the double - joint gear are combined, and then the engine power transmitted by the connecting sleeve is transmitted to the double - joint gear. It effectively makes the hydraulic pressing structure reasonable in design, convenient to operate, and fast and quick in combination.

[0019] 3. For this power output wet clutch, by providing bolts, the double - joint gear is effectively connected to the clutch housing, and the clutch housing is arranged on the end cover through bearings. At the same time, most of the internal components of the device are arranged in interference fit connection, which effectively facilitates the assembly and use of the device, makes it convenient to disassemble, reduces the assembly time, effectively facilitates the maintenance and inspection of the internal components of the device, saves the maintenance cost, improves the convenience of installation and use, and further enhances its use effect and usability.

[0020] 4. The power output wet clutch is provided with a lubricating oil channel, so that the lubricating oil is introduced into the interior of the device through the lubricating oil joint, and is connected through one end of the lubricating oil channel provided in the bearing and the clutch housing to cool and lubricate the working bearing. At the same time, the other end opening of the lubricating oil channel is provided in the pressing area, so that it is convenient to cool and lubricate the working parts in the pressing area. Therefore, the device has a reasonable structural design of the lubricating oil channel, and the lubricating oil can be fully injected during operation to provide lubrication for each component and extend the service life.

[0021] 5. The power output wet clutch is provided with a pressure oil input port to introduce pressure oil into the device, and the pressure oil is injected into the hydraulic chamber through the electro-hydraulic control mechanism to push the piston to move and press the clutch partition plate and the friction plate, thereby realizing the power transmission from the input shaft to the double gear, and the double gear drives the power output device to work through the transmission mechanism such as gears. After the work is completed, the electro-hydraulic control mechanism stops supplying oil to the hydraulic chamber, and the elastic force of the elastic element pushes the piston to reset, so that the clutch partition plate and the friction plate are separated, and the power output device stops working, thereby effectively facilitating the operation of the device and improving its operating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention.

[0023] In the figure: 10, input shaft; 11, duplex gear; 12, connecting sleeve; 13, elastic element; 14, friction plate; 15, clutch partition; 16, piston; 17, clutch housing; 18, end cover; 19, lubricating oil joint; 20, pressure oil input port; 21, bearing; 22, sealing ring; 23, outer sealing ring; 24, inner sealing ring; 25, positioning piece; 26, bolt. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1, the present invention discloses a power output wet clutch, which includes an input shaft 10, a double gear 11, a connecting sleeve 12, a clutch housing 17 and an end cover 18. The double gear 11 has a hollow structure. The input shaft 10 passes through the central hole at one end of the double gear 11 and is connected to the internal spline of the connecting sleeve 12. The other end of the double gear 11 is connected to one end of the clutch housing 17 by bolts 26. A pressing area is formed between the clutch housing 17 and the double gear 11. The other end of the clutch housing 17 is fixed in the end cover 18 through a bearing 21. A lubricating oil passage is provided in the end cover 18. The lubricating oil connector 19 is installed at one end of the above-mentioned lubricating oil passage. A pressure oil inlet 20 is provided on the outer wall of the end cover 18. A sealing ring 22 is provided at the connection between the clutch housing 17 and the end cover 18;

[0026] A friction plate 14, a clutch partition 15 and a piston 16 are provided in the pressing area. The friction plate 14 is fitted with the spline on the outer periphery of the connecting sleeve 12 and can move axially along the connecting sleeve 12. The clutch partition 15 is respectively fitted with the spline grooves on the inner wall of the clutch housing 17 and can move axially along the clutch housing 17. A piston groove is provided at one end of the clutch housing 17 close to the double gear 11. The piston 16 is installed in the piston groove provided in the clutch housing 17. The outer sealing ring 23 and the inner sealing ring 24 are hermetically matched to form a hydraulic chamber for driving the multi-disc friction plates 14 and the multi-disc clutch partitions 15 to press against each other. The other end of the piston 16 is elastically pressed against the elastic element 13, which can separate the multi-disc friction plates 14 and the multi-disc clutch partitions 15 from each other. One end of the elastic element 13 is positioned on the clutch housing 17 through a positioning member 25.

[0027] Specifically, one end of the lubricating oil passage is arranged in the space formed at the joint of the clutch housing 17 and the end cover 18. One end of the lubricating oil passage provided in the bearing 21 and the clutch housing 17 is connected. The other end of the lubricating oil passage provided in the clutch housing 17 is opened in the pressing area. After the cooling lubricating oil provided by the system enters the above-mentioned lubricating oil passage through the lubricating oil connector 19, it can cool and lubricate the working bearing 21 and at the same time cool and lubricate each component in the pressing area. The lubricating oil path structure is reasonably designed, and the lubricating oil can be fully injected during operation to lubricate each component and extend the service life.

[0028] Specifically, the shape and size of the piston groove match the shape and size of the piston 16. The piston 16 is movably fitted with the clutch housing 17 through the piston groove. The clutch housing 17 limits the use position of the piston 16 through the piston groove, thereby ensuring the use stability of the piston 16 during the use of the device and enhancing the normality and efficiency of the device operation.

[0029] Specifically, a seal is provided at the connection between the piston 16 and the clutch housing 17. One end of the piston 16 close to the clutch partition 15 is elastically press-connected to the elastic element 13. In the initial state of the device, the elastic element 13 is in an extended state and presses the piston 16, separating the friction plate 14 and the clutch partition 15 from each other. When pressure oil is input into the hydraulic chamber through the oil passage, under the action of the pressure oil, the piston 16 moves towards the pressing area to compress the elastic element 13, and at the same time pushes the friction plate 14 and the clutch partition 15 to engage, so that the connecting sleeve 12, the clutch housing 17, and the double gear 11 are combined, and the engine power transmitted by the connecting sleeve 12 is transmitted to the double gear 11. Furthermore, the hydraulic pressing structure is reasonably designed, easy to operate, and the combination is rapid and quick.

[0030] Specifically, splines are provided on the outer wall of one end of the input shaft 10, and the shape and size of the splines of the input shaft 10 match those of the internal splines of the connecting sleeve 12. The input shaft 10 is fitted inside the connecting sleeve 12 through the splines. It effectively facilitates its assembly connection, reduces its assembly time, is easy to repair and replace, reduces its maintenance cost, and enhances its usability.

[0031] Specifically, a bearing 21 is fitted at one end of the clutch housing 17, and the end of the bearing 21 away from the clutch housing 17 is fixedly connected to the cover 18. The clutch housing 17 is connected to the end cover 18 through the bearing 21. While enabling the device to connect and assemble the clutch housing 17 through the end cover 18, the clutch housing 17 can drive the internal components to rotate through the bearing 21, without affecting the normal use of the clutch housing 17, effectively ensuring the practicality of the device design and use, facilitating the operation and rotation of the device, and enhancing its operating stability.

[0032] Specifically, the friction plate 14, the clutch partition 15, and the piston 16 are arranged alternately and spaced apart from each other inside the pressing area. The friction plate 14 and the clutch partition 15 are coaxially arranged. The device adopts an electro-hydraulic control mechanism to control the power. The structure is simple and reasonably designed. The wet clutch replaces the dry clutch, and through the electro-hydraulic control of the power combination, the speed change and power disconnection of the power output shaft are realized, reducing the fatigue of the operator during the work process and improving the operation efficiency.

[0033] Specifically, one end of the bolt 26 penetrates through one side inside of the double gear 11 and extends into the clutch housing 17. The clutch housing 17 is connected to the double gear 11 through the bolt 26. The double gear 11 is effectively fixed on the clutch housing 17 through the bolt 26, and through the setting of the bolt 26, it is convenient to disassemble, facilitating the maintenance and inspection of the inside of the device, and thus improving the convenience of its maintenance.

[0034] Specifically, a concentric shaft is arranged inside the device. One end of the concentric shaft is arranged inside the bearing 21, and the other end of the concentric shaft passes through the inside of the friction plate 14 and the inside of the clutch partition 15 and extends to one end of the input shaft 10, and the concentric shaft is fitted and connected to one end of the input shaft 10. The connection of the input shaft 10, the friction plate 14 and the clutch partition 15 through the concentric shaft ensures the control of their rotation directions, facilitates the controllability of their axial movement, and through the use of the bearing 21, ensures the stability of their rotation operation, thereby effectively enhancing the practicality of the device.

[0035] Specifically, a spline groove is formed in the inner wall of the clutch housing 17, and the clutch partition 15 is fitted and connected to the clutch housing 17 through the spline groove formed in the inner wall of the clutch housing 17. When the device is in use, the clutch partition 15 and the clutch housing 17 transmit power through the splines on the inner wall of the clutch housing 17, ensuring the normal transmission of power inside the device and enhancing its stability in use and output power.

[0036] The working principle and usage process of the present invention: When in use, the input shaft 10 and the connecting sleeve 12 transmit power through internal and external splines; the connecting sleeve 12 and the friction plate 14 transmit power through internal and external splines; the friction plate 14 and the clutch partition 15 transmit power through friction; the clutch partition 15 and the clutch housing 17 transmit power through the splines on the inner wall of the clutch housing 17; the clutch housing 17 and the double gear 11 transmit power through bolt connection; the friction plate 14 and the clutch partition 15 can axially move inside the clutch housing and outside the connecting sleeve. When the power output device needs to work, pressure oil is filled into the hydraulic chamber through the electro-hydraulic control mechanism, pushing the piston 16 to move and press the clutch partition 15 and the friction plate 14 together, thereby realizing the power transmission from the input shaft 10 to the double gear 11, and then the double gear 11 drives the power output device to work through transmission mechanisms such as gears; after the work is completed, the electro-hydraulic control mechanism stops supplying oil to the hydraulic chamber, and the elastic element 13 pushes the piston 16 to reset, separating the clutch partition 15 and the friction plate 14, so that the power output device stops working, and the operation of the device is completed through the above steps.

[0037] In summary, for this power output wet clutch, by setting the pressure oil inlet 20, pressure oil is introduced into the device, and the electro-hydraulic control mechanism fills the hydraulic chamber with pressure oil to push the piston 16 to move and press the clutch partition 15 and the friction plate 14 together, thereby realizing the power transmission from the input shaft 10 to the double gear 11, and the double gear 11 drives the power output device to work through transmission mechanisms such as gears. After the work is completed, the electro-hydraulic control mechanism stops supplying oil to the hydraulic chamber, and the elastic element 13 pushes the piston 16 to reset, separating the clutch partition 15 and the friction plate 14, making the power output device stop working, thereby effectively facilitating the operation and application of the device and improving its operation efficiency.

[0038] It should be noted that in this text, terms such as "including", "comprising" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such a process, method, article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power output wet clutch, comprising an input shaft (10), a double gear (11), a connecting sleeve (12), a clutch housing (17) and an end cover (18). It is characterized in that: The double gear (11) is of a hollow structure. The input shaft (10) passes through the central hole at one end of the double gear (11) and is connected to the internal spline of the connecting sleeve (12). The other end of the double gear (11) is connected to one end of the clutch housing (17) by bolts (26). A press-fitting area is formed between the clutch housing (17) and the double gear (11). The other end of the clutch housing (17) is fixed in the end cover (18) through a bearing (21). An oil lubrication channel is arranged in the end cover (18), and an oil lubrication joint (19) is installed at one end of the above-mentioned oil lubrication channel. A pressure oil inlet (20) is provided on the outer wall of the end cover (18). A sealing ring (22) is arranged at the connection between the clutch housing (17) and the end cover (18). In the press-fitting area, there are friction plates (14), clutch partitions (15) and a piston (16). The friction plates (14) are engaged with the splines on the outer circumference of the connecting sleeve (12) and can axially move along the connecting sleeve (12). The clutch partitions (15) are respectively engaged with the spline grooves on the inner wall of the clutch housing (17) and can axially move along the clutch housing (17). A piston groove is arranged at one end of the clutch housing (17) close to the double gear (11). The piston (16) is installed in the piston groove arranged on the clutch housing (17). An outer sealing ring (23) and an inner sealing ring (24) are in sealing cooperation to form a hydraulic chamber for driving the multiple friction plates (14) and the multiple clutch partitions (15) to press against each other. The other end of the piston (16) is elastically pressed against an elastic element (13), which can separate the multiple friction plates (14) from the multiple clutch partitions (15). One end of the elastic element (13) is positioned on the clutch housing (17) through a positioning member (25).

2. A power output wet clutch according to claim 1, It is characterized in that: One end of the oil lubrication channel is arranged in the space formed at the joint of the clutch housing (17) and the end cover (18). One end of the oil lubrication channel arranged in the bearing (21) and the clutch housing (17) is connected in communication. The other end of the oil lubrication channel arranged in the clutch housing (17) is open in the press-fitting area.

3. A power output wet clutch according to claim 1, It is characterized in that: The shape and size of the piston groove match the shape and size of the piston (16). The piston (16) is movably engaged with the clutch housing (17) through the piston groove.

4. A power output wet clutch according to claim 1, It is characterized in that: A sealing member is arranged at the connection between the piston (16) and the clutch housing (17). One end of the piston (16) close to the clutch partition (15) is elastically pressed against the elastic element (13).

5. A power output wet clutch according to claim 1, It is characterized in that: One end of the outer wall of the input shaft (10) is provided with splines, and the shape and size of the splines of the input shaft (10) match those of the internal splines of the connecting sleeve (12). The input shaft (10) is fitted inside the connecting sleeve (12) by spline engagement.

6. A wet clutch for power output according to claim 1, characterized in that: One end of the clutch housing (17) is fitted with a bearing (21), and one end of the bearing (21) away from the clutch housing (17) is fixedly connected to the cover (18). The clutch housing (17) is connected to the end cover (18) through the bearing (21).

7. A wet clutch for power output according to claim 1, characterized in that: The friction plates (14), the clutch partitions (15) and the piston (16) are arranged at intervals and staggered with each other inside the pressing area. The friction plates (14) and the clutch partitions (15) are coaxially arranged, and the device adopts an electro-hydraulic control mechanism to control the power.

8. A wet clutch for power output according to claim 1, characterized in that: One end of the bolt (26) penetrates through one side inside of the double gear (11) and extends into the clutch housing (17). The clutch housing (17) is connected to the double gear (11) through the bolt (26).

9. A wet clutch for power output according to claim 1, characterized in that: A concentric shaft is arranged inside the device. One end of the concentric shaft is arranged inside the bearing (21), and the other end of the concentric shaft respectively penetrates through the inside of the friction plate (14) and the inside of the clutch partition (15) and extends to one end of the input shaft (10), and the concentric shaft is fitted and connected to one end of the input shaft (10).

10. A wet clutch for power output according to claim 1, characterized in that: The inner wall of the clutch housing (17) is provided with spline grooves, and the clutch partition (15) is fitted and connected to the clutch housing (17) through the spline grooves provided on the inner wall of the clutch housing (17).

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