CN211648957U

CN211648957U - Power switching mechanism of crawler tractor

Info

Publication number: CN211648957U
Application number: CN201922433762.1U
Authority: CN
Inventors: 黄俊维; 首元锋; 何志伟; 邓学清; 廖增才; 李华庚; 周艳明; 廖郴鹏
Original assignee: Hunan Nongfu Electromechanical Co ltd
Current assignee: Hunan Nongfu Electromechanical Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-09
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a power switching mechanism of crawler tractor, including HST output shaft, the empty cover tooth of HST power input, mounting panel, synchronous ware, the empty cover tooth of mechanical power input, power switching shaft, HST input shaft, bevel gear, axis of rotation and installation tooth, bevel gear and HST input shaft intermeshing are connected, the inside of HST input shaft and the outside one end fixed connection of axis of rotation, one end of axis of rotation is located the through-hole that the center department one side of mounting panel was seted up inside, the outside of axis of rotation corresponds the opposite side of HST input shaft and the inside fixed connection of installation tooth, the installation tooth is connected with the empty cover tooth intermeshing of mechanical power input, the inside of the empty cover tooth of mechanical power input and the outside one end fixed connection of power switching shaft, the top of the empty cover tooth of HST power input is connected with the gear bottom intermeshing of HST output shaft one end installation, the utility model discloses a, simple structure, convenient to use, the mechanical power of being convenient for switches over each other with hydraulic power.

Description

Power switching mechanism of crawler tractor

Technical Field

The utility model relates to a crawler tractor technical field specifically is a crawler tractor's power switching mechanism.

Background

The existing crawler tractor gearbox adopting hydrostatic stepless speed change transmission has the defects of low transmission efficiency, small driving force, poor fuel economy and the like, but the gearbox structure adopting the traditional pure mechanical transmission has the defects on the aspect of operation flexibility, and the mechanism capable of flexibly switching between hydrostatic driving and mechanical driving is designed to improve the problems under proper working conditions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power switching mechanism of crawler tractor to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a power switching mechanism of a crawler tractor comprises an HST output shaft, an HST power input hollow sleeve tooth, a mounting plate, a synchronizer, a mechanical power input hollow sleeve tooth, a power switching shaft, an HST input shaft, a bevel gear, a rotating shaft and mounting teeth, the bevel gear is meshed with the HST input shaft, the inside of the HST input shaft is fixedly connected with one end of the outer part of the rotating shaft, one end of the rotating shaft is positioned in the through hole formed in one side of the center of the mounting plate, the other side of the outer part of the rotating shaft corresponding to the HST input shaft is fixedly connected with the inner part of the mounting teeth, the mounting teeth are meshed with the mechanical power input hollow sleeve teeth, the inner part of the mechanical power input hollow sleeve teeth is fixedly connected with one end of the outer part of the power switching shaft, the top of the empty cover tooth of HST power input is connected with the gear bottom intermeshing of HST output shaft one end installation, the one end mounting panel looks mutual rotation of HST output shaft connects.

Furthermore, the HST output shaft, the power switching shaft and the HST input shaft are distributed in a triangular shape.

Furthermore, the inner part of the bevel gear is fixedly connected with the power shaft.

Furthermore, one end of the power switching shaft, which is close to the power switching shaft, is fixedly connected with the inside of the HST power input hollow sleeve gear and the inside of the synchronizer respectively, and the synchronizer is positioned between the HST power input hollow sleeve gear and the mechanical power input hollow sleeve gear.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses a, drive the rotation of bevel gear through the power shaft to drive the rotation of HST input shaft, utilize installation tooth and the empty cover tooth meshing of mechanical power input to be connected the rotation that drives the empty cover tooth of mechanical power input afterwards, HST power transmits the empty cover tooth of HST power input through the gear of HST output shaft, selects corresponding power to carry out work through the synchronous ware, thereby reaches the purpose of mechanical power and hydraulic power interconversion.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

in the figure: 1. an HST output shaft; 2. HST power input hollow sleeve teeth; 3. mounting a plate; 4. a synchronizer; 5. mechanical power is input into the hollow sleeve gear; 6. a power switching shaft; 7. an HST input shaft; 8. a bevel gear; 9. a rotating shaft; 10. and (5) mounting the teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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. 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 power switching mechanism of a crawler tractor comprises an HST output shaft 1, an HST power input hollow sleeve tooth 2, a mounting plate 3, a synchronizer 4, a mechanical power input hollow sleeve tooth 5, a power switching shaft 6, an HST input shaft 7, a bevel gear 8, a rotating shaft 9 and a mounting tooth 10, wherein the inside of the bevel gear 8 is fixedly connected with a power shaft and is beneficial to driving the bevel gear 8 to rotate, the bevel gear 8 is meshed with the HST input shaft 7 and is connected with one end of the outside of the rotating shaft 9, one end of the rotating shaft 9 is positioned in a through hole formed in one side of the center of the mounting plate 3, the outside of the rotating shaft 9 corresponds to the other side of the HST input shaft 7 and is fixedly connected with the inside of the mounting tooth 10, the mounting tooth 10 is meshed with the mechanical power input hollow sleeve tooth 5, the inside of the mechanical power input hollow sleeve tooth 5 is fixedly connected with one end of the outside of the power switching shaft 6, one end of the power switching shaft 6 close to is fixedly connected with the inside of the HST power input hollow sleeve tooth 2 and the synchronizer 4 respectively, the synchronizer 4 is positioned between the HST power input hollow sleeve tooth 2 and the mechanical power input hollow sleeve tooth 5, the top end of the HST power input hollow sleeve tooth 2 is meshed and connected with the top end of a gear installed at one end of the HST output shaft 1, the power switching shaft 6 and the HST input shaft 7 are distributed in a triangular shape, and one end of the HST output shaft 1 is rotationally connected with the installation plate 3; the utility model discloses a, drive bevel gear 8's rotation through the power shaft to drive the rotation of HST input shaft 7, utilize installation tooth 10 and the empty cover tooth 5 intermeshing of mechanical power input to be connected afterwards, and then drive the rotation of the empty cover tooth 5 of mechanical power input, HST power transmits the empty cover tooth 2 of HST power input through the gear of installation on the HST output shaft 1, and the power that corresponds through 4 selections of synchronizer of installation afterwards carries out work can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a track tractor's power switching mechanism, includes HST output shaft (1), the empty cover tooth of HST power input (2), mounting panel (3), synchronous ware (4), the empty cover tooth of mechanical power input (5), power switching axle (6), HST input shaft (7), bevel gear (8), axis of rotation (9) and installation tooth (10), its characterized in that: bevel gear (8) and HST input shaft (7) intermeshing are connected, the inside of HST input shaft (7) and the outside one end fixed connection of axis of rotation (9), the one end of axis of rotation (9) is located inside the through-hole that center department one side of mounting panel (3) was seted up, the outside of axis of rotation (9) corresponds the opposite side of HST input shaft (7) and the inside fixed connection of installation tooth (10), installation tooth (10) and the empty cover tooth of mechanical power input (5) intermeshing are connected, the inside of the empty cover tooth of mechanical power input (5) and the outside one end fixed connection of power switching axle (6), the top of the empty cover tooth of HST power input (2) and the gear bottom intermeshing of HST output shaft (1) one end installation are connected, the one end mounting panel (3) of HST output shaft (1) interconnect is connected.

2. The power switching mechanism of a crawler tractor according to claim 1, wherein: the HST output shaft (1), the power switching shaft (6) and the HST input shaft (7) are distributed in a triangular mode.

3. The power switching mechanism of a crawler tractor according to claim 1, wherein: the interior of the bevel gear (8) is fixedly connected with the power shaft.

4. The power switching mechanism of a crawler tractor according to claim 1, wherein: one end of the power switching shaft (6) close to is fixedly connected with the inside of the HST power input hollow sleeve gear (2) and the synchronizer (4) respectively, and the synchronizer (4) is positioned between the HST power input hollow sleeve gear (2) and the mechanical power input hollow sleeve gear (5).