CN212775408U

CN212775408U - PTO transmission device of high-horsepower electric tractor

Info

Publication number: CN212775408U
Application number: CN202021547965.XU
Authority: CN
Inventors: 刘超; 郭志强; 李保忠; 万忠政; 刘亚闪; 郝明明; 刘亮; 唐凯怿; 李小帅; 陈家法
Original assignee: Luoyang Intelligent Agricultural Equipment Research Institute Co Ltd
Current assignee: Luoyang Intelligent Agricultural Equipment Research Institute Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-03-23
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a large horsepower electric tractor PTO transmission device, which comprises a PTO box body, wherein a PTO input shaft, an intermediate shaft and a PTO output shaft are sequentially distributed in the PTO box body from top to bottom, a PTO low gear and a PTO high gear are respectively sleeved on the PTO input shaft, a low gear driven gear and a high gear driven gear are respectively sleeved on the intermediate shaft, a normally meshed gear is sleeved on the PTO output shaft, the PTO low gear is meshed and connected with the low gear driven gear, the high gear driven gear is meshed and connected with the PTO high gear and the normally meshed gear respectively, the PTO output shaft is connected with a tractor operating machine, one side of the PTO high-gear is connected with an input shaft clutch, one end of the low-gear driven gear is connected with a middle shaft clutch, the PTO transmission device of the high-horsepower electric tractor, the gear does not participate in shifting in the shifting process, so that the service life of the gear is greatly prolonged, and the reliability of the whole vehicle is improved.

Description

PTO transmission device of high-horsepower electric tractor

Technical Field

The utility model relates to a tractor technical field specifically is a high horsepower electric tractor PTO transmission.

Background

At present, on the various model tractors of domestic production, adopt the gear that slides to shift or the meshing cover is shifted mostly, this structure is made easily, simple structure, nevertheless because PTO passes through the transmission shaft and the machines is connected, and work load is big, produces great impact and noise easily when consequently shifting, can make gear tip wearing and tearing aggravation and then lead to premature failure, has reduced the reliability of whole car.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome current defect, provide a big horsepower electric tractor PTO transmission, shift the in-process gear and do not participate in shifting, improved the life of gear greatly, increased the reliability of whole car simultaneously, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high horsepower electric tractor PTO transmission, includes the PTO box, from last to distributing in proper order down in the PTO box PTO input shaft, jackshaft and PTO output shaft, PTO low gear and PTO high gear have been cup jointed respectively on the PTO input shaft, low gear driven gear and high gear driven gear have been cup jointed respectively on the jackshaft, the constant meshing gear has been cup jointed on the PTO output shaft, PTO low gear is connected with the meshing of low gear driven gear, high gear driven gear is connected with PTO high gear and constant meshing gear meshing respectively, PTO output shaft is connected with tractor operation machines, one side of PTO high gear is connected with the input shaft clutch, and the one end of low gear driven gear is connected with the jackshaft clutch.

As an optimized technical scheme of the utility model, the jackshaft both ends are supported on the PTO box through two bearings.

As a preferred technical scheme of the utility model, input shaft clutch and PTO low gear pass through splined connection on the PTO input shaft, and PTO high gear wheel idle cover is on the PTO input shaft, and high gear driven gear and countershaft clutch pass through splined connection on the jackshaft, and normally engaged gear passes through splined connection on the PTO output shaft.

As a preferred technical scheme of the utility model, PTO input shaft, jackshaft and PTO output shaft's axle center are arranged in the coplanar.

Compared with the prior art, the beneficial effects of the utility model are that: this high horsepower electric tractor PTO transmission reasonable in design, the design is ingenious, and convenient operation does not participate in shifting at the in-process gear of shifting, has improved the life of gear, through setting up input shaft clutch and countershaft clutch, realizes the switching of high-speed gear, low gear and neutral gear through the part and the combination of clutch when shifting, reduces impact and the noise when shifting, has improved the reliability of whole car.

Drawings

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

In the figure: 1PTO box, 2PTO high gear, 3 input shaft clutch, 4PTO low gear, 5PTO input shaft, 6 intermediate shaft clutch, 7 intermediate shaft, 8 low gear driven gear, 9PTO output shaft, 10 constant mesh gear and 11 high gear driven gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments (for convenience of description and understanding, the following description is made with the upper side of fig. 1 as the upper side). Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a large horsepower electric tractor PTO transmission device comprises a PTO box body 1, a PTO input shaft 5, an intermediate shaft 7 and a PTO output shaft 9 are sequentially distributed in the PTO box body 1 from top to bottom, the axes of the PTO input shaft 5, the intermediate shaft 7 and the PTO output shaft 9 are arranged in the same plane, the smoothness of the transmission process is improved, a PTO low gear 4 and a PTO high gear 2 are respectively sleeved on the PTO input shaft 5, two ends of the intermediate shaft 7 are supported on the PTO box body 1 through two bearings, a low gear driven gear 8 and a high gear driven gear 11 are respectively sleeved on the intermediate shaft 7, a normally meshed gear 10 is sleeved on the PTO output shaft 9, the PTO low gear 4 is meshed with the low gear driven gear 8, the high gear driven gear 11 is respectively meshed with the PTO high gear 2 and the normally meshed gear 10, the PTO output shaft 9 is connected with a tractor operating machine, one side of the PTO high gear 2 is, one end of the low-gear driven gear 8 is connected with an intermediate shaft clutch 6, an input shaft clutch 3 and a PTO low-gear 4 are connected onto a PTO input shaft 5 through splines, a PTO high-gear 2 is sleeved on the PTO input shaft 5 in an empty mode, a high-gear driven gear 11 and the intermediate shaft clutch 6 are connected onto an intermediate shaft 7 through splines, a normally-meshed gear 10 is connected onto a PTO output shaft 9 through splines, the bearing capacity of the PTO input shaft 5, the bearing capacity of the intermediate shaft 7 and the bearing capacity of the PTO output shaft 9 are improved through spline connection, the PTO transmission device of the large-horsepower electric tractor is reasonable in design, ingenious in concept, convenient to operate, gears do not participate in gear shifting in the gear.

When the gear is high: the input shaft clutch 3 is engaged, the intermediate shaft clutch 6 is disengaged, and power is transmitted from the PTO input shaft 5 → the input shaft clutch 3 → the PTO high gear 2 → the high gear driven gear 11 → the normally engaged gear 10 → the PTO output shaft 9;

and (3) in low gear: the input shaft clutch 3 is disengaged and the countershaft clutch 6 is engaged, and power is transmitted from the PTO input shaft 5 → the PTO low gear 4 → the low gear driven gear 8 → the countershaft clutch 6 → the countershaft 7 → the high gear driven gear 11 → the normally engaged gear 10 → the PTO output shaft 9;

in neutral gear: the input shaft clutch 3 is disengaged and the intermediate shaft clutch 6 is disengaged.

The utility model can be operated conveniently, occupies little space when in use, and is convenient for operation and use; the gear does not participate in gear shifting in the gear shifting process, so that the service life of the gear is greatly prolonged, and the use convenience is improved; the spline connection facilitates the improvement of the bearing capacity of the PTO input shaft 5, the intermediate shaft 7 and the PTO output shaft 9, further improving the convenience of use.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a big horsepower electric tractor PTO transmission, including PTO box (1), from last to distributing in proper order to last in PTO box (1) PTO input shaft (5), jackshaft (7) and PTO output shaft (9), PTO low gear (4) and PTO high gear (2) have been cup jointed on PTO input shaft (5) respectively, low gear driven gear (8) and high gear driven gear (11) have been cup jointed on jackshaft (7) respectively, PTO has been cup jointed on output shaft (9) constant mesh gear (10), PTO low gear (4) and low gear driven gear (8) meshing connection, high gear driven gear (11) are respectively with PTO high gear (2) and constant mesh gear (10) meshing connection, PTO output shaft (9) are connected with tractor operation machines, a serial communication port: one side of the PTO high-gear (2) is connected with an input shaft clutch (3), and one end of the low-gear driven gear (8) is connected with an intermediate shaft clutch (6).

2. The PTO transmission of a high horsepower electric tractor according to claim 1, wherein: and two ends of the intermediate shaft (7) are supported on the PTO box body (1) through two bearings.

3. The PTO transmission of a high horsepower electric tractor according to claim 1, wherein: the PTO transmission device is characterized in that the input shaft clutch (3) and the PTO low-gear (4) are connected to the PTO input shaft (5) through splines, the PTO high-gear (2) is sleeved on the PTO input shaft (5) in a hollow mode, the high-gear driven gear (11) and the intermediate shaft clutch (6) are connected to the intermediate shaft (7) through splines, and the normally meshed gear (10) is connected to the PTO output shaft (9) through splines.

4. The PTO transmission of a high horsepower electric tractor according to claim 1, wherein: the axes of the PTO input shaft (5), the intermediate shaft (7) and the PTO output shaft (9) are arranged in the same plane.