A tractor with an adjustment-free clutch system and a tractor

Abstract

The application provides a tractor adjustment-free clutch system, and belongs to the technical field of tractor parts, which comprises a clutch assembly, one side of the clutch assembly is provided with a clutch release lever, a shaft sleeve is slidably sleeved on a rotating shaft of the clutch assembly, a release bearing opposite to the clutch release lever is sleeved on the shaft sleeve through interference fit, the shaft sleeve is driven by a linkage assembly to slide along the rotating shaft in the axial direction of the rotating shaft, and the linkage assembly is driven by a power assembly; a fan blade is arranged on the side opposite to the release bearing of the clutch assembly; the fan blade on the clutch assembly is used in cooperation with the booster, so that the adjustment of the connecting bolt is omitted, the gap between the release lever head and the release bearing is ensured, and the user can reduce the loss caused by the adjustment of the clutch.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tractor parts, in particular to a tractor free-adjustment clutch system and a tractor. BACKGROUND

[0002] When the tractor normally travels in the gear, the clutch is combined, the pressure plate is always normally rotated with the engine, the separation lever head on the pressure plate has a gap of about 3mm from the separation bearing, the separation bearing is in a free state, when the gear needs to be changed, the separation bearing is pressed down, the separation lever head on the pressure plate is pressed down, the clutch separation can normally change gears, after the clutch is used for a period of time, the clutch plate is normally worn, the separation lever head on the pressure plate will be raised, in the process of raising the separation lever head, the separation lever head approaches the side of the separation bearing, the gap between the pressure plate and the separation bearing will be reduced, in order to ensure that the pressure plate and the separation bearing do not contact, the connecting bolt between the foot pedal and the crankshaft needs to be adjusted, if the bolt is not adjusted for a long time, the pressure plate and the separation bearing will contact and damage the clutch.

[0003] When the connecting bolt between the foot pedal and the crankshaft is adjusted, the ordinary user generally will not adjust, the professional personnel need to adjust, which increases the difficulty and cost of maintenance. SUMMARY

[0004] Therefore, the present application provides a tractor free-adjustment clutch system and a tractor, the fan blade and the booster on the clutch assembly are used in cooperation, so that the adjustment of the connecting bolt is avoided, the gap between the separation lever head and the separation bearing is ensured, and the loss caused by the user not adjusting the clutch is reduced.

[0005] In order to solve the above technical problems, the present application provides a tractor free-adjustment clutch system, which comprises a clutch assembly, one side of the clutch assembly is provided with a clutch separation lever, a shaft sleeve is slidably sleeved on the rotating shaft of the clutch assembly, a separation bearing opposite to the clutch separation lever is sleeved on the shaft sleeve through interference fit, the shaft sleeve is driven to slide along the axial direction of the rotating shaft through the linkage assembly, and the linkage assembly is driven by the power assembly.

[0006] The side surface opposite to the clutch assembly and the separation bearing is provided with a fan blade.

[0007] Further, the linkage assembly comprises a support shaft supported by a bearing, a connecting sleeve is fixedly sleeved on the support shaft, an arc-shaped rocker arm is arranged on one side of the connecting sleeve, the free end of the arc-shaped rocker arm is hinged to the power assembly, a linkage rocker arm is arranged on the support shaft, and the free end of the linkage rocker arm is hinged to the side surface of the shaft sleeve.

[0008] Further, the power assembly comprises a booster, and the booster is directly connected in series to the original tractor hydraulic system through the oil inlet and the oil outlet on the shell.

[0009] Further, the free end of the piston rod in the booster is hinged to the free end of the arc-shaped rocker arm.

[0010] A tractor comprises the above-mentioned tractor free-adjustment clutch system.

[0011] The beneficial effects of the above technical solutions of the present application are as follows:

[0012] 1. In the present application, when the tractor is running in the normal gear, the clutch assembly rotates normally with the engine, and the rotation of the fan blade brings wind power to assist the separation bearing to be pushed away from the side of the separation lever head, and the booster is used to ensure the gap between the separation bearing and the pressure plate, which can reduce the loss caused by the adjustment of the clutch for the user.

[0013] 2. In the present application, the booster is directly connected in series on the original tractor hydraulic system through the oil inlet and the oil outlet, and the hydraulic system is used to assist the movement of the piston rod up and down, and then the linkage assembly drives the adjustment of the separation bearing, which assists the adjustment of the gap between the separation bearing and the clutch assembly, and can reduce the fatigue driving of the driver.

[0014] 3. In the present application, the rotation of the fan blade and the action of the booster do not require extra power source, which is ingenious and reasonable in design and has strong practicability. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the tractor free-adjustment clutch system of the present application.

[0016] Figure 2 It is a side view of the clutch assembly in the present application.

[0017] 1. Clutch assembly; 10, clutch separation lever; 11, separation lever head; 12, rotating shaft;

[0018] 2. Fan blade;

[0019] 3. Shaft sleeve; 31, separation bearing;

[0020] 4. Arc-shaped rocker arm; 41, support shaft; 42, connecting sleeve; 43, linkage rocker arm;

[0021] 5. Booster; 51, housing; 52, oil inlet; 53, oil outlet; 54, piston rod. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings of the embodiments of the present application to make a better understanding of the present application. Figures 1-2The technical solutions of the embodiments of the present application are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0023] As shown in the figure: a tractor with an adjustment-free clutch system, comprising a clutch assembly 1, one side of the clutch assembly 1 is provided with a clutch release lever 10, a shaft sleeve 3 is sleeved on the rotating shaft 12 of the clutch assembly 1, a release bearing 31 opposite to the clutch release lever 10 is sleeved on the shaft sleeve 3 through interference fit, the shaft sleeve 3 is driven to slide along the axis of the rotating shaft 12 by the linkage assembly, and the linkage assembly is driven by the power assembly. Figures 1-2

[0024] The side of the clutch assembly 1 opposite to the release bearing 31 is provided with a fan blade 2.

[0025] The linkage assembly comprises a support shaft 41 supported by a bearing, a connecting sleeve 42 is fixedly sleeved on the support shaft 41, one side of the connecting sleeve 42 is provided with an arc-shaped rocker arm 4, the free end of the arc-shaped rocker arm 4 is hinged to the power assembly, and the support shaft 41 is provided with a linkage rocker arm 43, and the free end of the linkage rocker arm 43 is hinged to the side surface of the shaft sleeve 3.

[0026] When the tractor is running in the normal gear, the clutch assembly 1 rotates normally with the engine, and the fan blade 2 is driven to rotate, and the wind power brought by the rotation of the fan blade 2 will assist the release bearing 31 to be pushed away from the release lever head 11.

[0027] In another embodiment of the present application, as shown in the figure: Figure 1

[0028] The power assembly comprises a power booster 5, and the power booster 5 is directly connected in series to the original tractor hydraulic system through an oil inlet 52 and an oil outlet 53 on a housing 51.

[0029] The free end of the piston rod 54 in the power booster 5 is hinged to the free end of the arc-shaped rocker arm 4.

[0030] It should be noted that the power booster 5 has been disclosed in detail in the patent with the patent name of a tractor with a pressure limiting function power booster, a power boosting system and a tractor, and the patent number is CN2020227096066, that is, the piston rod 54 moves up and down under the action of the original tractor hydraulic system, and will not be repeated here.

[0031] ​​The wind pushing effect of the fan blade 2, in cooperation with the booster 5, ensures the gap between the separating bearing 31 and the separating rod head 11, which can reduce the loss caused by the user not adjusting the clutch.

[0032] In addition, it should be noted that when the tractor is running normally, the gap between the separating bearing 31 and the separating rod head 11 is about 3mm, so the vertical movement of the piston rod 54 is a small distance movement, and at the same time, the shaft sleeve 3 has a small distance movement on the rotating shaft 12.

[0033] Correspondingly, since the tractor clutch system without adjustment is applied to the tractor, the embodiment of the present application also provides a tractor, which comprises the tractor clutch system without adjustment, wherein the embodiments of the tractor clutch system without adjustment are suitable for the embodiments of the tractor, and the same technical effects can also be achieved.

[0034] The working method of the present application: in the specific use process, when the tractor is running normally in the gear, the clutch assembly 1 rotates normally with the engine, and at the same time, the fan blade 2 rotates, the wind power brought by the rotation of the fan blade 2 will assist to push the separating bearing 31 away from the separating rod head 11, and at the same time, the booster 5 is used, at this time, the piston rod 54 in the booster 5 moves downward, the arc-shaped rocker arm 4 is adjusted clockwise, the linkage rocker arm 43 is adjusted clockwise, at the same time, the shaft sleeve 3 is adjusted and moved away from the clutch assembly 1, which ensures the gap between the separating bearing 31 and the separating rod head 11, and can reduce the loss caused by the user not adjusting the clutch.

[0035] When gear shifting is needed, the arc-shaped rocker arm 4 is adjusted counterclockwise, the linkage rocker arm 43 is adjusted counterclockwise, at the same time, the shaft sleeve 3 is adjusted and moved towards the clutch assembly 1, at the same time, the piston rod 54 in the booster 5 moves upward, which assists the shaft sleeve 3 to adjust and move towards the clutch assembly 1, when the separating bearing 31 presses the separating rod head 11, the clutch assembly 1 is separated, and normal gear shifting can be realized.

[0036] In the present application, unless otherwise specified and limited, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements, unless otherwise specified, for those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific situation.

[0037] The above is the preferred embodiment of the present application, it should be noted that for those skilled in the art, without departing from the principles described in the present application, can also be made several improvements and refinements, these improvements and refinements should also be considered the scope of protection of the present application.

Claims

1. A tractor free adjustment clutch system comprising a clutch assembly (1) having a clutch release lever (10) on one side of the clutch assembly (1) characterized in that: The shaft sleeve (3) is sleeved on the rotating shaft (12) of the clutch assembly (1), the separation bearing (31) opposite to the clutch separation lever (10) is sleeved on the shaft sleeve (3) through interference fit, the shaft sleeve (3) slides along the axial direction of the rotating shaft (12) under the driving of the linkage assembly, and the linkage assembly is driven by the power assembly; The clutch assembly (1) is provided with the fan blade (2) on the side opposite to the separation bearing (31); The linkage assembly comprises a support shaft (41) supported by a bearing, a connecting sleeve (42) is fixedly sleeved on the support shaft (41), one side of the connecting sleeve (42) is provided with an arc-shaped rocker arm (4), the free end of the arc-shaped rocker arm (4) is hinged to the power assembly, a linkage rocker arm (43) is arranged on the support shaft (41), and the free end of the linkage rocker arm (43) is hinged to the side surface of the shaft sleeve (3); The power assembly comprises a power booster (5), and the power booster (5) is directly connected in series to the original tractor hydraulic system through the oil inlet (52) and the oil outlet (53) on the shell (51); The free end of the piston rod (54) in the power booster (5) is hinged to the free end of the arc-shaped rocker arm (4); When the tractor normally travels, the gap between the separation bearing (31) and the separation lever head (11) is 3mm.

2. A tractor characterised in that: The tractor is provided with the adjustment-free clutch system. The tractor is provided with the adjustment-free clutch system.

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