CN217207646U

CN217207646U - Power takeoff assembly with interchangeable direct insertion and flange

Info

Publication number: CN217207646U
Application number: CN202220237809.6U
Authority: CN
Inventors: 孟嘉强; 叶鹏彦; 刘强; 杨罡; 王建芳; 王卫军; 张永强
Original assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Current assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-08-16
Anticipated expiration: 2032-01-28

Abstract

In order to solve the inconvenient problem of internal spline power takeoff and flange formula power takeoff conversion, the utility model provides a power takeoff assembly that cut straightly and flange exchanged, including power takeoff body, conversion output device comprises cut straightly output interface, cut straightly interface apron, output flange, connecting axle and connecting bolt, cut straightly output interface and power takeoff body fixed connection, cut straightly interface apron fixed connection in cut straightly output interface outer end, the cover is at power takeoff output shaft lateral surface behind the output flange passes cut straightly output interface, the coaxial fixed connection of connecting axle is inside power takeoff output shaft to connecting axle and power takeoff output shaft are inside all to be provided with the internal thread, connecting bolt threaded connection is inside connecting axle and power takeoff output shaft, and the flange exchanges convenient operation, reliable with the cut straightly interface.

Description

Power takeoff assembly with interchangeable direct insertion and flange

Technical Field

The utility model relates to a power takeoff technical field, in particular to power takeoff assembly that cut straightly and the flange exchanges.

Background

A power takeoff is a driving device that outputs power to an external work device, is an indispensable device for supplying power to a dedicated machine, and has been widely used in various fields such as automobiles, heavy machinery, and agricultural machinery. In the application in different fields, because to the difference of output requirement, also there is the difference to the structural requirement of power takeoff, the power takeoff structure commonly used at present has internal spline power takeoff and flange formula power takeoff, current power takeoff output mode is single formula output generally, when needing other output types, need change whole power takeoff assembly, can not satisfy different demands simultaneously, and change the operation and waste time, difficultly, still can cause the very big waste of resource and cost.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a cut straightly power takeoff assembly who exchanges with the flange, the technical scheme of adoption as follows:

the utility model provides a power takeoff assembly that cut straightly and flange exchanged, its characterized in that mainly includes power takeoff body, conversion output device comprises cut straightly output interface, cut straightly interface apron, output flange, connecting axle and connecting bolt, cut straightly output interface and power takeoff body fixed connection, cut straightly interface apron fixed connection in cut straightly output interface outer end, the cover is outside power takeoff output shaft after the output flange passes and cut straightly output interface, the coaxial fixed connection of connecting axle is inside power takeoff output shaft to connecting axle and power takeoff output shaft inside all are provided with the internal thread, connecting bolt threaded connection is inside connecting axle and power takeoff output shaft.

Preferably, a dust cover is connected between the output flange and the direct-insertion interface cover plate.

Preferably, the connecting shaft is fixedly connected with the output shaft of the power takeoff through an internal spline.

Preferably, the output flange is internally provided with a limiting boss, the lower end face of the limiting boss and the inner side face of the output flange are respectively matched and connected with the outer side face and the outer end face of the power takeoff output shaft, and the inner diameter of the upper end of the limiting boss is smaller than the diameter of the lower end face of the head of the connecting bolt.

The beneficial effects of the utility model reside in that: the direct-insert interface cover plate, the connecting shaft, the output flange, the connecting bolt and the dust cover are disassembled to become the internal spline power takeoff, and the connection and torque output with the power takeoff pump are realized through the direct-insert output interface and the power takeoff output shaft; the direct-insertion type power takeoff device is characterized in that the power takeoff device is directly inserted into the connector cover plate, the connecting shaft, the output flange, the connecting bolt and the dust cover, and then the direct-insertion type power takeoff device is changed into a flange type power takeoff device, connection with the torque transmission shaft and torque output are achieved through the output flange, the whole device is simple in structure and convenient to operate, various power takeoff connectors can be achieved, and the direct-insertion type power takeoff device is suitable for power takeoff of equipment with different structures.

Drawings

FIG. 1 is a schematic view of the structure of the present invention

The power takeoff device comprises a power takeoff device body 1, a power takeoff device output shaft 2, a direct-insertion interface cover plate 3, a connecting shaft 4, an output flange 5, a connecting bolt 6, a dust cover 7 and a direct-insertion output interface 8.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1, the power takeoff device with a flange and a direct-inserting port capable of being rapidly interchanged mainly comprises a power takeoff body 1 and a conversion output device connected to a power takeoff output shaft 2, wherein the conversion output device mainly comprises an output flange 5, a connecting shaft 4, a connecting bolt 6, a direct-inserting output interface 8, a direct-inserting interface cover plate 3 and a dust cover 7, specifically, the connecting shaft 4 is connected to the inside of the power takeoff output shaft 2 through an internal spline, the inner wall of the connecting shaft 4 and the inner wall of the left end of the power takeoff output shaft 2 are both provided with internal threads, the connecting bolt 6 is connected to the inside of the connecting shaft 4 in a threaded manner, the tail end of the connecting bolt is connected to the power takeoff output shaft 4 in a threaded manner, the direct-inserting output interface 8 is fixedly connected to the power takeoff body 1, the direct-inserting output interface 8 is provided with a through hole for the output flange 5 to pass through, the inner wall of the output flange 5 is provided with a limit boss, the lower end of the output flange 5 after passing through the through hole is lapped on the outer end face and the side end face of the power takeoff output shaft 2, 6 head lower extreme overlap joints of connecting bolt are on spacing boss up end to radially spacing output flange 5 carries out, in addition, the outer terminal surface of cut straightly output interface 8 is ring structure's cut straightly interface apron 3 through bolt fixedly connected with, output flange 5 outside still fixedly connected with dust cover 7, output flange 5 insert cut straightly interface 8 and with power takeoff output shaft 2 cooperation back, dust cover 7 cover is in the cut straightly interface apron 3 outside, the two forms dustproof construction jointly.

The direct-insert joint cover plate 3, the connecting shaft 4, the output flange 5, the connecting bolt 6 and the dust cover 7 are disassembled to form an internal spline power takeoff, and the connection and torque output with a power takeoff pump are realized through the direct-insert output joint 8 and the power takeoff output shaft 2; the flange type power takeoff is formed by assembling the power takeoff direct-insertion connector cover plate 3, the connecting shaft 4, the output flange 5, the connecting bolt 6 and the dust cover 7, and the connection with the torque transmission shaft and the torque output are realized through the output flange 5.

The moment of torsion of power takeoff body 1 passes through power takeoff output shaft 2, 4 transmission to output flange 5 of connecting axle to realize the flange power takeoff, and carry out radial cooperation location with power takeoff output shaft 2 through output flange 5 spacing boss, this device structural design is reasonable reliable, and power takeoff external interface repacking is convenient, the reliability is high, and processing is convenient and with low costs.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements can be made, and these improvements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a power takeoff assembly that cut straightly and flange exchanged, its characterized in that mainly includes power takeoff body, conversion output device comprises cut straightly output interface, cut straightly interface apron, output flange, connecting axle and connecting bolt, cut straightly output interface and power takeoff body fixed connection, cut straightly interface apron fixed connection in cut straightly output interface outer end, the cover is outside power takeoff output shaft after the output flange passes and cut straightly output interface, the coaxial fixed connection of connecting axle is inside power takeoff output shaft to connecting axle and power takeoff output shaft inside all are provided with the internal thread, connecting bolt threaded connection is inside connecting axle and power takeoff output shaft.

2. The interchangeable in-line and flange power take-off assembly of claim 1, wherein a dust shield is coupled between the output flange and the in-line interface cover plate.

3. The in-line and flange interchangeable power take-off assembly of claim 1 wherein the connection shaft is fixedly connected to the power take-off output shaft by internal splines.

4. The power takeoff assembly with direct insertion and flange interchange as claimed in claim 1, wherein a limiting boss is arranged inside the output flange, the lower end face of the limiting boss and the inner side face of the output flange are respectively matched and connected with the outer side face and the outer end face of the output shaft of the power takeoff, and the inner diameter of the upper end of the limiting boss is smaller than the diameter of the lower end face of the head of the connecting bolt.