CN215720355U

CN215720355U - Wet clutch output device of tractor

Info

Publication number: CN215720355U
Application number: CN202122429189.4U
Authority: CN
Inventors: 冯彦杰; 戴维莹
Original assignee: Shandong Fuerwo Agricultural Equipment Co Ltd
Current assignee: Shandong Fuerwo Agricultural Equipment Co Ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-01
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a tractor wet clutch output device, and relates to the technical field of tractors. Including the gear box body, the internal duplicate gear that is provided with of gear box, the duplicate gear internalization is inserted and is equipped with the input shaft, be provided with clutch housing on the right side end of input shaft, clutch housing surface is close to the left side end and is provided with the spring through the setting element, the right flank of spring is provided with annular piston, the corresponding position of inner wall all is provided with the sealing washer about annular piston and the clutch housing cavity, be provided with annular clutch baffle and annular friction disc between annular piston's the left surface clutch housing inner wall. The utility model replaces a dry clutch with a wet clutch, realizes the rotation speed conversion and the power on-off of the power output shaft by the electro-hydraulic control power combination, reduces the fatigue of an operator in the working process, improves the working efficiency, increases the lubricating and heat dissipating functions and prolongs the service life.

Description

Wet clutch output device of tractor

Technical Field

The utility model relates to the technical field of tractors, in particular to a tractor wet clutch output device.

Background

At present, the power output shaft of tractor is mostly two kinds of output rotational speeds, need shift gears according to different operational environment in power output shaft working process, need cut off power during the non-operating condition.

In the prior art, a power output structure mostly realizes separation control through a dry clutch, when gears are changed and power is cut off, the dry clutch needs to be separated through an operating system firstly, power transmitted by an engine is cut off, and then a gear shifting handle is operated to change the rotating speed of a power output shaft or cut off the power; meanwhile, a clutch operating system generally has the defects of large operating force and complicated operating steps, and the long-term frequent gear shifting of a driver increases the operating strength of the driver, thereby greatly reducing the operating efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tractor wet clutch output device, which has the advantages of realizing the rotation speed conversion and power on-off of a power output shaft by the combination of electrohydraulic control power, reducing the fatigue of an operator in the working process, improving the working efficiency, increasing the lubricating and heat dissipating functions and prolonging the service life, and solves the problems that a clutch operating system generally has large operating force and complicated operating steps, a driver frequently shifts gears for a long time to increase the working strength of the driver, the working efficiency is greatly reduced, and the sealing performance is poor without lubrication and heat dissipation.

In order to realize the purposes of realizing the rotation speed conversion and the power on-off of the power output shaft by the combination of electrohydraulic control power, reducing the fatigue of an operator in the working process, improving the working efficiency, increasing the lubricating and heat dissipating functions and prolonging the service life, the utility model provides the following technical scheme: a tractor wet clutch output device comprises a gear box body, wherein a duplicate gear is arranged in the gear box body, an input shaft is movably inserted in the duplicate gear, a clutch shell is arranged on a right side end head of the input shaft, a spring is arranged on the outer surface of the clutch shell close to a left side end head through a positioning piece, an annular piston is arranged on the right side surface of the spring, sealing rings are arranged at corresponding positions of the annular piston and the upper inner wall and the lower inner wall of a cavity of the clutch shell, an annular clutch partition plate and an annular friction plate are arranged between the inner walls of the clutch shell on the left side surface of the annular piston, a baffle plate is arranged on the left side surface of the annular friction plate, a first check ring is arranged on the right side surface of the baffle plate, the first check ring is arranged on the inner wall of the clutch shell, a connecting sleeve is arranged between the annular clutch partition plate and the inner wall of the annular friction plate, the connecting sleeve is connected with the outer side face of the duplicate gear, a shell is arranged on the right side face of the gear box body and located on the outer sides of the annular clutch partition plate and the annular friction plate, an end cover is arranged on the right side face of the shell and connected with the clutch shell through a first bearing, a pressure oil duct is formed in the position, close to the upper side, of the right side face of the end cover and the position, corresponding to the annular piston, of the upper side of the clutch shell, a lubricating oil duct is formed in the position, close to the lower side, of the right side face of the end cover corresponding to the first bearing.

As a preferred technical scheme of the utility model, the gear box body is connected with the duplicate gear through the second bearing, and the second bearing is provided with two bearings close to the left end and the right end of the duplicate gear.

As a preferable technical scheme of the utility model, the input shaft and the clutch shell, the annular friction plate and the connecting sleeve and the duplicate gear are connected through splines.

As a preferable technical scheme of the utility model, the gearbox body and the shell as well as the shell and the end cover are locked and fixed through locking bolts.

As a preferable technical solution of the present invention, two seal rings are disposed on the outer surface of the clutch housing near the right side and corresponding to the end cover.

As a preferred technical scheme of the utility model, the outer surface of the duplicate gear corresponding to the right end of the connecting sleeve is provided with a second retaining ring.

Compared with the prior art, the utility model provides a tractor wet clutch output device, which has the following beneficial effects:

1. according to the tractor wet clutch output device, the annular piston is driven to move left and right by the hydraulic oil and the spring in the pressure oil duct, so that the annular piston pushes the pressure between the annular clutch partition plate and the annular friction plate, the wet clutch replaces a dry clutch, power is controlled through electro-hydraulic control, the rotating speed change and the power on-off of the power output shaft are realized, the fatigue of an operator in the working process is reduced, and the working efficiency is improved.

2. This tractor wet clutch output device lubricates the heat dissipation through setting up lubricated oil duct to end cover, first bearing and clutch housing, increases lubricated heat dissipation function, improves life, and the reduction trouble takes place.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a gear housing; 2. a duplicate gear; 3. an input shaft; 4. a clutch housing; 5. a positioning member; 6. a spring; 7. an annular piston; 8. a seal ring; 9. an annular clutch diaphragm; 10. an annular friction plate; 11. a baffle plate; 12. a first retainer ring; 13. connecting sleeves; 14. a housing; 15. an end cap; 16. a first bearing; 17. a pressure oil passage; 18. a lubricating oil passage; 19. a second bearing; 20. a spline; 21. locking the bolt; 22. a seal ring; 23. and a second retainer ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the utility model discloses a tractor wet clutch output device, comprising a gear box 1, wherein a duplicate gear 2 is arranged in the gear box 1, an input shaft 3 is movably inserted in the duplicate gear 2, a clutch housing 4 is arranged on a right side end of the input shaft 3, a spring 6 is arranged on the outer surface of the clutch housing 4 close to the left side end through a positioning piece 5, an annular piston 7 is arranged on the right side surface of the spring 6, sealing rings 8 are arranged at corresponding positions of the annular piston 7 and the upper and lower inner walls of a cavity of the clutch housing 4, an annular clutch partition plate 9 and an annular friction plate 10 are arranged between the inner walls of the clutch housing 4 on the left side surface of the annular piston 7, a plurality of groups of clutch partition plates 9 and friction plates 10 are arranged alternately and coaxially, the clutch partition plates 9 are embedded in a key groove in the clutch housing 4, and can move along the axial direction of the clutch shell 4, the left side surface of the annular friction plate 10 is provided with a baffle plate 11, the right side surface of the baffle plate 11 is provided with a first retainer ring 12, and the first retainer ring 12 is arranged on the inner wall of the clutch shell 4, a connecting sleeve 13 is arranged between the annular clutch partition plate 9 and the inner wall of the annular friction plate 10, the connecting sleeve 13 is connected with the outer side surface of the duplicate gear 2, the outer shell 14 is arranged on the right side surface of the gear box body 1 and positioned on the outer sides of the annular clutch partition plate 9 and the annular friction plate 10, the right side of the housing 14 is provided with an end cap 15, the end cap 15 is connected with the clutch housing 4 through a first bearing 16, a pressure oil passage 17 is arranged on the right side surface of the end cover 15 close to the upper side and at the position of the upper side of the clutch housing 4 corresponding to the annular piston 7, a lubricating oil passage 18 is arranged on the right side surface of the end cover 15 corresponding to the first bearing 16 and close to the lower side.

Specifically, the gear box body 1 is connected with the duplicate gear 2 through a second bearing 19, and the second bearing 19 is provided with two ends close to the left end and the right end of the duplicate gear 2.

In this embodiment, the second bearing 19 movably connects the gear housing 1 and the dual gear 2, so that the dual gear 2 can rotate conveniently.

Specifically, the input shaft 3 and the clutch housing 4, the annular friction plate 10 and the connecting sleeve 13, and the connecting sleeve 13 and the duplicate gear 2 are connected through the spline 20.

In this embodiment, the second bearing 19 enables the input shaft 3 and the clutch housing 4, the annular friction plate 10 and the connecting sleeve 13, and the connecting sleeve 13 and the duplicate gear 2 to rotate in a transmission manner.

Specifically, the gear box body 1 and the shell 14 and the end cover 15 are locked and fixed through locking bolts 21.

In this embodiment, the locking bolt 21 is convenient to carry out the dismouting to shell 14 and end cover 15, makes things convenient for the later stage to overhaul.

Specifically, two sealing rings 22 are arranged on the outer surface of the clutch housing 4 near the right side and correspond to the end cover 15.

In this embodiment, the sealing effect between the outer surface of the clutch housing 4 near the right side and the end cover 15 on the sealing ring 22 is better, and oil leakage from the pressure oil passage 17 is avoided.

Specifically, a second stop ring 23 is arranged on the outer surface of the duplicate gear 2 corresponding to the right end of the connecting sleeve 13.

In this embodiment, the second retainer ring 23 enables the connecting sleeve 13 to be stably mounted on the dual gear 2.

The working principle and the using process of the utility model are as follows: when the clutch is used, one end of the annular piston 7 is in sliding fit with a piston groove at the innermost side of a cavity of the clutch shell 4 through the sealing ring 8 to form a hydraulic chamber, an oil passage is arranged in the clutch shell 4, one end of the oil passage is communicated with the hydraulic chamber, the other end of the oil passage is communicated with an oil passage arranged in the end cover 15 to form a pressure oil passage 17, the spring 6 is in an extension state and extrudes the annular piston 7 under the pressure oil-free state to separate the annular friction plate 10 and the annular clutch partition plate 9 from each other, when pressure oil enters the hydraulic chamber from the pressure oil passage 17, the annular piston 7 moves towards the annular clutch partition plate 9 and the annular friction plate 10 under the action of the pressure oil to combine the annular piston and the annular friction plate 10, so that the clutch shell 4, the connecting sleeve 13 and the duplicate gear 2 are combined, the engine power transmitted from the input shaft 3 is transmitted to the clutch shell 4, and the clutch shell 4 drives the annular clutch partition plate 9 and the annular friction plate 10 to rotate through the annular piston 7, the annular friction plate 10 drives the duplicate gear 2 through the connecting sleeve 13, the duplicate gear 2 drives the power output device to work through a transmission mechanism such as a gear, a wet clutch replaces a dry clutch, power combination is controlled through electricity and liquid, rotation speed change and power on-off of a power output shaft are realized, fatigue of an operator in the working process is reduced, the working efficiency is improved, one end of a lubricating oil passage 18 is arranged in a space formed at the joint of the clutch shell 4 and the end cover 15 and is communicated with one end of the lubricating oil passage 18 arranged in the clutch shell 4 through a first bearing 16, the opening at the other end of the lubricating oil passage 18 arranged in the clutch shell 4 is arranged in a pressing area of the annular piston 7, cooling lubricating oil provided by the system enters through an inlet of the lubricating oil passage 18, the cooling and lubricating oil can cool and lubricate the first bearing 16 in the working process and cool and lubricate working parts in the pressing area at the same time, the lubricating and heat dissipating functions are added, the service life is prolonged, and the occurrence of faults is reduced.

In summary, the wet clutch replaces a dry clutch, power is controlled through electro-hydraulic control power combination, rotation speed conversion and power on-off of a power output shaft are achieved, fatigue of an operator in the working process is reduced, the working efficiency is improved, the lubricating and heat dissipating functions are increased, and the service life is prolonged.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tractor wet clutch output device, includes gear box (1), its characterized in that: a duplicate gear (2) is arranged in the gear box body (1), an input shaft (3) is inserted in the duplicate gear (2) in a movable mode, a clutch shell (4) is arranged on a right side end head of the input shaft (3), a spring (6) is arranged on the outer surface of the clutch shell (4) close to a left side end head through a positioning piece (5), an annular piston (7) is arranged on the right side face of the spring (6), sealing rings (8) are arranged at positions, corresponding to the upper inner wall and the lower inner wall of a cavity of the clutch shell (4), of the annular piston (7), an annular clutch partition plate (9) and an annular friction plate (10) are arranged between the inner walls of the clutch shell (4) on the left side face of the annular friction plate (10), a baffle plate (11) is arranged on the left side face of the annular friction plate (10), and a first check ring (12) is arranged on the right side face of the baffle plate (11), and the first retainer ring (12) is arranged on the inner wall of the clutch shell (4), a connecting sleeve (13) is arranged between the annular clutch clapboard (9) and the inner wall of the annular friction plate (10), the connecting sleeve (13) is connected with the outer side surface of the duplicate gear (2), the right side surface of the gear box body (1) is provided with a shell (14) which is positioned at the outer side of the annular clutch clapboard (9) and the annular friction plate (10), an end cover (15) is arranged on the right side surface of the shell (14), the end cover (15) is connected with the clutch shell (4) through a first bearing (16), a pressure oil duct (17) is arranged on the right side surface of the end cover (15) close to the upper side and at the position of the upper side of the clutch housing (4) corresponding to the annular piston (7), and a lubricating oil channel (18) is arranged on the right side surface of the end cover (15) corresponding to the first bearing (16) and close to the lower side.

2. The tractor wet clutch output of claim 1, wherein: the gearbox body (1) is connected with the duplicate gear (2) through a second bearing (19), and the second bearing (19) is arranged at the left end and the right end close to the duplicate gear (2).

3. The tractor wet clutch output of claim 1, wherein: the input shaft (3) is connected with the clutch shell (4), the annular friction plate (10) is connected with the connecting sleeve (13), and the connecting sleeve (13) is connected with the duplicate gear (2) through the spline (20).

4. The tractor wet clutch output of claim 1, wherein: the gear box body (1) and the shell (14) as well as the shell (14) and the end cover (15) are locked and fixed through locking bolts (21).

5. The tractor wet clutch output of claim 1, wherein: two sealing rings (22) are arranged on the outer surface of the clutch shell (4) close to the right side and correspond to the end cover (15).

6. The tractor wet clutch output of claim 1, wherein: and a second retainer ring (23) is arranged on the outer surface of the duplicate gear (2) corresponding to the right end of the connecting sleeve (13).