Gear transmission mechanism of wet clutch of tractor

By introducing a connecting unit and an installation unit into the wet clutch of the tractor, and using a shock-absorbing spring to transmit power, the problems of easy wear of the break-in disc and unstable power transmission are solved, and the flexible replacement of the friction plates and the stability of power transmission are realized.

CN223676840UActive Publication Date: 2025-12-16LUOYANG RUIDE TRACTOR CO LTD
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Patent Information

Application Number
CN202520179926.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-05
Publication Date
2025-12-16
Estimated Expiration
2035-02-05

AI Technical Summary

Technical Problem

The break-in disc of a tractor wet clutch is prone to wear during use and needs to be replaced as a whole, which wastes raw materials and makes power transmission unstable, mainly due to its reliance on elastic connection.

Method used

The design incorporates a connection unit and an installation unit, including a connection plate, a break-in plate, a plug-in plate, and a shock-absorbing spring. Power is transmitted through the cooperation of the shock-absorbing spring, avoiding the need to replace the entire break-in plate, and providing stable power transmission when the break-in plate rotates.

Benefits of technology

This design allows for the replacement of only the friction plates on the insert side when the friction plates wear out, avoiding the waste of replacing the entire plate. Furthermore, the use of damping springs provides stable power transmission, improving the stability of power transmission.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a wet clutch gear transmission mechanism of a tractor, and relates to the field of tractor clutches. According to the wet clutch gear transmission mechanism of the tractor, a mounting frame is located between a clutch cover and a flywheel, and a connecting unit and a mounting unit are arranged in the mounting frame. According to the wet clutch gear transmission mechanism of the tractor, when the friction plates are abraded, the friction plates on the two sides of the inserting piece are detached and replaced with new friction plates, and waste caused by overall replacement of the friction plates is avoided; when the running-in device disc rotates to drive the connecting base to rotate, the second damping spring is compressed, and the first damping spring is stretched, power is better generated for the connecting disc through the running-in device disc under the cooperation of the first damping spring and the second damping spring, and the running-in device disc is used for driving the connecting disc to rotate and providing power for an input shaft of a gearbox.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tractor clutch technical field, concretely is a tractor wet clutch gear drive mechanism. BACKGROUND

[0002] The tractor clutch is a device for connecting or disconnecting the engine and the gearbox, which plays a role in transmitting and cutting off power in the transmission system of the tractor.

[0003] The basic components of the clutch include the running-in disc, the pressure plate, the release bearing, the flywheel and the control mechanism. The pressure plate is in contact with the running-in disc through the spring and lever mechanism. When the driver steps on the clutch pedal, the release bearing pushes the pressure plate to make the pressure plate leave the clutch disc, thereby disconnecting the power transmission. In the current use process of the clutch, the running-in disc is contacted to generate friction force for power transmission. In use, the running-in disc will be worn out, and the running-in disc needs to be replaced as a whole when it is damaged, which is relatively wasteful of raw materials. Meanwhile, in the process of power transmission, the connecting disc rotates under the rotation of the running-in disc and is connected through the spring. However, it only relies on the elastic force, which may cause unstable power transmission. Therefore, we propose a tractor wet clutch gear drive mechanism CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model provides a tractor wet clutch gear drive mechanism, which solves the problems that the running-in disc is worn out in use, needs to be replaced as a whole when it is damaged, and is relatively wasteful of raw materials. Meanwhile, in the process of power transmission, the connecting disc rotates under the rotation of the running-in disc and is connected through the spring. However, it only relies on the elastic force, which may cause unstable power transmission.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a tractor wet clutch gear drive mechanism, comprising a clutch cover, a gearbox input shaft, a flywheel, a diaphragm spring and a mounting bracket, the clutch cover is installed on the flywheel, the mounting bracket is between the clutch cover and the flywheel, the mounting bracket is provided with a connecting unit and a mounting unit,

[0006] The connecting unit comprises a connecting disc, the connecting disc is installed in the mounting unit, a plurality of mounting grooves are formed on the inner wall of the connecting disc, the mounting grooves are distributed at equal distances, and a first damping spring and a second damping spring are installed on the inner wall of the mounting groove;

[0007] The mounting unit comprises a running-in disc, the running-in disc is installed in the mounting bracket, a plurality of plug-in pieces are installed on the outer wall of the running-in disc at equal distances, and a friction plate is installed at both ends of the plug-in piece.

[0008] Preferably, the inner wall of the connecting disc and the flywheel is inserted with a gearbox input shaft, and the gearbox input shaft extends outward through the diaphragm spring and the clutch cover in sequence.

[0009] Preferably, the outer wall of the gearbox input shaft is slidingly connected with a release bearing, and the outer peripheral wall of the release bearing is connected with a toggle lever.

[0010] Preferably, the insertion piece is provided with a bolt hole, and the friction plate is provided with a bolt hole corresponding to the adapter disc.

[0011] Preferably, the outer wall of the adapter disc is distributed with insertion rods at equal distances, and the connecting disc is sleeved on the outer peripheral wall of the insertion rods.

[0012] Preferably, the outer wall of the adapter disc is fixedly connected with a connecting seat, one end of the connecting seat is inserted into the connecting disc, and the connecting seat is located at the center position of the connecting disc mounting groove.

[0013] Preferably, the two sides of the connecting seat are fixedly connected with the first damping spring and the connecting seat, respectively.

[0014] The utility model discloses a tractor wet clutch gear transmission mechanism, which has the following beneficial effects:

[0015] The tractor wet clutch gear transmission mechanism, when the friction plate is worn, can be replaced by disassembling the friction plate on both sides of the insertion piece, avoiding the waste of overall replacement of the friction plate. When the adapter disc rotates and drives the connecting seat to rotate, the connecting seat moves relative to the first damping spring and the second damping spring. At this time, the second damping spring is compressed, and the first damping spring is stretched. Under the cooperation of the first damping spring and the second damping spring, the adapter disc generates a power to the connecting disc, which drives the connecting disc to rotate and provides power to the gearbox input shaft. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the clutch cover;

[0019] Figure 3 It is the explosion structure schematic view of the utility model;

[0020] Figure 4 It is the connection unit and installation unit structure schematic view of the utility model;

[0021] Figure 5 It is the installation unit structure schematic view of the utility model;

[0022] Figure 6 It is the connection unit structure schematic view of the utility model.

[0023] In the figure: 1, clutch cover;2, gearbox input shaft;201, separation bearing;3, flywheel;4, diaphragm spring;5, mounting bracket;6, connection unit;601, connecting disc;602, connecting seat;603, first damping spring;604, second damping spring;7, installation unit;701, running-in disc;702, friction plate;703, plug-in piece. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantage of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] The embodiment of the application provides a tractor wet clutch gear transmission mechanism, solves the problem that the running-in disc 701 is worn during use, needs to be replaced as a whole when damaged, and the raw material is wasted, and when power transmission is carried out, the connecting disc 601 rotates under the rotation of the running-in disc 701, is connected through the spring, but only relies on the elastic force, which can cause unstable power transmission when power transmission is carried out, realizes that when the friction plate 702 is worn, the friction plate 702 on both sides of the plug-in piece 703 is disassembled by disassembling the bolt on both sides of the plug-in piece 703, and the new friction plate 702 can be replaced, avoids the waste of the whole replacement of the friction plate 702, restores the friction force between the friction plate 702 and the pressure plate on the diaphragm spring 4 to normal, and then effectively drives the diaphragm spring 4 and the gearbox input shaft 2 through the rotation of the installation unit 7.

[0026] When the running-in disc 701 rotates, the connecting seat 602 is driven to rotate by the running-in disc 701, so that the connecting seat 602 moves relative to the first damping spring 603 and the second damping spring 604, at this time, the second damping spring 604 is compressed, so that the second damping spring 604 generates a thrust force on the connecting seat 602, and the first damping spring 603 is stretched, so that the first damping spring 603 generates a pulling force on the connecting seat 602, and under the cooperation of the first damping spring 603 and the second damping spring 604, a driving force is better generated on the connecting disc 601 through the running-in disc 701, for driving the connecting disc 601 to rotate, and providing power for the gearbox input shaft 2.

[0027] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in combination with the drawings of the specification and specific embodiments.

[0028] The utility model discloses a tractor wet clutch gear transmission mechanism.

[0029] According to the drawings Figures 1-6 As shown, comprising clutch cover 1, gearbox input shaft 2, flywheel 3, diaphragm spring 4 and mounting bracket 5, clutch cover 1 installs on flywheel 3, and mounting bracket 5 is between clutch cover 1 and flywheel 3, is provided with connecting unit 6 and installation unit 7 in mounting bracket 5,

[0030] Connecting unit 6 includes connecting disc 601, and the connecting disc 601 is installed in the installation unit 7, a plurality of installation grooves are formed on the inner wall of the connecting disc 601, the installation grooves are distributed at equal intervals, the first damping spring 603 and the second damping spring 604 are installed on the inner wall of the installation groove, when the running-in disc 701 rotates, the connecting seat 602 is driven to rotate by the running-in disc 701, so that the connecting seat 602 moves relative to the first damping spring 603 and the second damping spring 604, at this time, the second damping spring 604 is compressed, so that the second damping spring 604 generates a thrust force on the connecting seat 602, and the first damping spring 603 is stretched, so that the first damping spring 603 generates a pulling force on the connecting seat 602, and under the cooperation of the first damping spring 603 and the second damping spring 604, a driving force is better generated on the connecting disc 601 through the running-in disc 701, for driving the connecting disc 601 to rotate, and providing power for the gearbox input shaft 2.

[0031] The mounting unit 7 comprises a break-in disc 701 mounted in the mounting frame 5, a plurality of plug-in pieces 703 are equidistantly mounted on the outer wall of the break-in disc 701, and friction pieces 702 are mounted at both ends of the plug-in pieces 703; when the friction pieces 702 are worn, the friction pieces 702 on both sides of the plug-in pieces 703 are disassembled by disassembling the bolts on both sides of the plug-in pieces 703, and new friction pieces 702 are replaced, thereby avoiding the waste of replacing the whole friction pieces 702, restoring the friction force between the friction pieces 702 and the pressure plate on the diaphragm spring 4, and effectively driving the diaphragm spring 4 and the gearbox input shaft 2 to transmit power through the rotation of the mounting unit 7.

[0032] The connecting disc 601 and the inner wall of the flywheel 3 are inserted with the gearbox input shaft 2, the gearbox input shaft 2 extends outward through the diaphragm spring 4 and the clutch cover 1 in turn, and the connecting disc 601 and the flywheel 3 are driven to rotate by starting the gearbox input shaft 2, and the mounting frame 5 is driven to rotate under the rotation of the connecting unit 6.

[0033] The outer wall of the gearbox input shaft 2 is slidably connected with a release bearing 201, the outer peripheral wall of the release bearing 201 is connected with a poking rod, the release bearing 201 is moved by the poking rod, the release bearing 201 is in contact with and pressed against the diaphragm spring 4, the diaphragm spring 4 is deformed, the pressure plate at the edge of the diaphragm spring 4 is separated from the friction piece 702, the diaphragm spring 4 is separated from the mounting unit 7, the flywheel 3 drives the mounting frame 5, the connecting unit 6 and the mounting unit 7 to rotate, but the diaphragm spring 4 does not rotate, and the gearbox input shaft 2 does not rotate.

[0034] The plug-in piece 703 is provided with a bolt hole, the friction piece 702 is provided with a bolt hole corresponding to the break-in disc 701, the screw in the bolt hole is disassembled, and the friction piece 702 is replaced, so that the friction force between the friction piece 702 and the pressure plate on the diaphragm spring 4 is restored to normal, and the diaphragm spring 4 and the gearbox input shaft 2 are effectively driven to transmit power by the rotation of the mounting unit 7.

[0035] The outer wall of the break-in disc 701 is equidistantly distributed with plug-in rods, the connecting disc 601 is sleeved on the outer peripheral wall of the plug-in rods, and the connecting disc 601 is limited on the break-in disc 701 by the plug-in rods.

[0036] The outer wall of the break-in disc 701 is fixedly connected with a connecting seat 602, one end of the connecting seat 602 is inserted into the connecting disc 601 and located at the center position of the mounting groove of the connecting disc 601.

[0037] Two sides of the connecting seat 602 are fixedly connected with the first damping spring 603 and the connecting seat 602 respectively, when the running-in disc 701 rotates, the connecting seat 602 is driven to rotate by the running-in disc 701, so that the connecting seat 602 moves relative to the first damping spring 603 and the second damping spring 604, at this time, the second damping spring 604 is compressed, so that the second damping spring 604 generates a thrust force on the connecting seat 602, and at the same time, the first damping spring 603 is stretched, so that the first damping spring 603 generates a pulling force on the connecting seat 602;

[0038] Under the cooperation of the first damping spring 603 and the second damping spring 604, a power is better generated on the connecting disc 601 through the running-in disc 701, for driving the connecting disc 601 to rotate, and power is provided to the input shaft 2 of the gearbox.

[0039] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A tractor wet clutch gear drive mechanism comprising of clutch cover (1), gearbox input shaft (2), flywheel (3), diaphragm spring (4) and mounting bracket (5), characterized in that, The clutch cover (1) is installed on the flywheel (3), the mounting frame (5) is between the clutch cover (1) and the flywheel (3), the connecting unit (6) and the mounting unit (7) are arranged in the mounting frame (5), The connecting unit (6) comprises a connecting disc (601), the connecting disc (601) is installed in the mounting unit (7), a plurality of mounting grooves are formed in the inner wall of the connecting disc (601), the mounting grooves are equidistantly distributed, and the first damping spring (603) and the second damping spring (604) are installed on the inner wall of the mounting groove. The mounting unit (7) comprises a running-in disc (701), the running-in disc (701) is installed in the mounting frame (5), a plurality of plug-in pieces (703) are equidistantly installed on the outer wall of the running-in disc (701), and the friction pieces (702) are installed at both ends of the plug-in piece (703).

2. A tractor wet clutch gear drive mechanism according to claim 1, wherein, The connecting disc (601) and the inner wall of the flywheel (3) are inserted with the gearbox input shaft (2), the gearbox input shaft (2) extends outwardly through the diaphragm spring (4) and the clutch cover (1) in sequence.

3. A tractor wet clutch gear drive mechanism according to claim 2, wherein, The outer wall of the gearbox input shaft (2) is slidably connected with the separation bearing (201), and the outer peripheral wall of the separation bearing (201) is connected with the poking rod.

4. A tractor wet clutch gear drive mechanism as claimed in claim 1, wherein, The plug-in piece (703) is provided with a bolt hole, and the friction piece (702) is provided with a bolt hole corresponding to the running-in disc (701).

5. A tractor wet clutch gear mechanism according to claim 4, wherein The outer wall of the running-in disc (701) is equidistantly distributed with plug-in rods, and the connecting disc (601) is sleeved on the outer peripheral wall of the plug-in rod.

6. A tractor wet clutch gear mechanism according to claim 5, wherein The outer wall of the running-in disc (701) is fixedly connected with the connecting seat (602), one end of the connecting seat (602) is inserted into the connecting disc (601), and the connecting seat (602) is located at the center position of the mounting groove of the connecting disc (601).

7. A tractor wet clutch gear drive mechanism according to claim 6, wherein The connecting seat (602) is fixedly connected with the first damping spring (603) and the connecting seat (602) on both sides.