CN211525488U

CN211525488U - Power takeoff box structure

Info

Publication number: CN211525488U
Application number: CN202020133565.8U
Authority: CN
Inventors: 李典东; 杨都都; 崔云东; 赵波; 连水梅
Original assignee: Sinotruk Jinan Power Co Ltd
Current assignee: Sinotruk Jinan Power Co Ltd
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-09-18
Anticipated expiration: 2030-01-21

Abstract

The utility model discloses a power takeoff box structure, which comprises a housin, the front side door of casing has set gradually output shaft bearing portion, jackshaft bearing portion and the input shaft bearing portion that runs through the casing front and back from last to down, the center of output shaft bearing portion, jackshaft bearing portion and input shaft bearing portion all is located the central line of casing, the input shaft bearing portion outside is provided with the recess, be provided with the oil through hole in the recess, the casing bottom is provided with the oil drain hole with the recess intercommunication. The structure meets the bearing part of the input rotating shaft, the intermediate shaft and the output shaft of the transmission mechanism by setting the position and the size of each bearing part of the power takeoff box body, the transmission mechanism is accommodated, and the strength and the heat dissipation capacity of the power takeoff box body are enhanced by arranging the reinforcing ribs.

Description

Power takeoff box structure

Technical Field

The utility model relates to an automobile power takeoff field specifically is a power takeoff box structure.

Background

At present, most of domestic power takeoff devices are single-stage or two-stage transmission structures, the transmission torque is not large, and the center distance of a power takeoff box body is too small, so that the existing power takeoff box body cannot meet the storage requirement of a large-torque output transmission mechanism. Meanwhile, the power takeoff has the defects of lubrication, heat dissipation, structural strength and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model discloses a power takeoff box structure, this structure satisfies the support of drive mechanism input rotation axis, jackshaft, output shaft through setting up each bearing portion position of power takeoff box and size, accomodates drive mechanism, through setting up strengthening rib reinforcing power takeoff box intensity and heat-sinking capability.

The utility model provides a power takeoff box structure, includes the casing, the front side door of casing has set gradually output shaft bearing portion, jackshaft bearing portion and the input shaft bearing portion that runs through the casing front and back from last to down, the center of output shaft bearing portion, jackshaft bearing portion and input shaft bearing portion all is located the central line of casing, the input shaft bearing portion outside is provided with the cavity, the cavity trailing flank is provided with the oil through hole, the casing bottom is provided with the oil drain hole with the cavity intercommunication.

Preferably, the intermediate shaft support portion is provided with an intermediate shaft oil passage hole.

Preferably, the front side surface and the rear side surface of the shell are provided with positioning pin holes and bolt holes.

Preferably, the bottom of the box body is symmetrically arranged, and the oil tank can be communicated with the connecting shell.

Preferably, the outer side surface of the output shaft is provided with a plurality of transverse reinforcing ribs.

Preferably, the upper part of the shell is provided with a cover plate.

The utility model has the advantages that:

the power takeoff box has the advantages that the positions and the sizes of all bearing parts of the power takeoff box are set, the requirements of bearing parts of a transmission mechanism input rotating shaft, an intermediate shaft and an output shaft are met, the transmission mechanism is stored, the strength and the heat dissipation capacity of the power takeoff box are enhanced through the arrangement of the reinforcing ribs, and the front end face shape, the hole site and the size of the power takeoff box can be matched with a HW25712XSTL transmission.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a view taken along line B of FIG. 3;

FIG. 5 is a schematic view of the assembly of the present invention;

the transmission comprises an output shaft supporting part 1, an intermediate shaft supporting part 2, an intermediate shaft supporting part 3, an intermediate shaft oil hole 5, an input shaft supporting part 7, an oil through hole 8, an oil drain hole 11, a reinforcing rib 14, a shell 15, a stud 16, a nut 17, a connecting shell 18, a rear sealing paper gasket 19, a gasket 20, an oil drain screw plug 23, a transmission front shell 24, a front cover plate 25 and an upper cover plate 25.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the utility model discloses a power takeoff box structure realizes through methods such as casting and machine tooling hole that output shaft support 1, jackshaft support 2, jackshaft department oilhole 3, input bearing portion 5, be connected the face with the derailleur front shell, with the derailleur front shell connecting hole, with the portion such as oil through hole 7, oil drain 8 of connecting the casing, with the connecting shell connecting hole, be connected face, strengthening rib 11 with the upper portion apron, with upper portion apron connecting hole with the connecting shell. The power takeoff box body realizes the storage transmission mechanism through the output shaft supporting part, the intermediate shaft supporting part and the input shaft supporting part, and the supporting parts of all shafts are longitudinally arranged in a non-eccentric manner, so that the large-center-distance transmission arrangement can be realized; the oil hole of the intermediate shaft is provided with a threaded hole which can be connected with an external oil circuit to lubricate the intermediate shaft;

the shell 14 is provided with positioning pin holes and bolt holes and is connected with a connecting shell 17 through a stud 15 and a nut 16, wherein a paper pad 18 is used for preventing oil leakage at the connecting part;

the power takeoff box realizes oil drainage and sealing through a gasket 19 and an oil drainage plug screw 20; the power takeoff box 14 is connected with a transmission front shell 23 through a stud 21 and a nut 22;

the power takeoff box body 14 seals the end face of the output bearing part through a cover plate 24, and is connected with the power takeoff box body 14 and an upper cover plate 25 through bolts, so that the transmission part is detached and observed.

The bottom of the box body is symmetrically arranged and can be communicated with an oil pool of the connecting shell;

the reinforcing ribs 11 are uniformly distributed in a strip shape, so that the strength of the power takeoff box body is improved, and the heat dissipation capability of the power takeoff during working is also improved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a power takeoff box structure, its characterized in that, includes the casing, the front side door of casing has set gradually output shaft supporting part, jackshaft supporting part and the input shaft supporting part that runs through the casing front and back from last to down, the center of output shaft supporting part, jackshaft supporting part and input shaft supporting part all is located the central line of casing, the input shaft supporting part outside is provided with the cavity, the cavity trailing flank is provided with the oil through hole, the casing bottom is provided with the oil drain hole with the cavity intercommunication.

2. The power take-off case structure as claimed in claim 1, wherein the intermediate shaft support portion is provided with an intermediate shaft oil passage hole.

3. The power takeoff case structure as claimed in claim 1, wherein said casing front and rear sides are provided with dowel holes and bolt holes.

4. The power takeoff housing structure as claimed in claim 1, wherein said housing bottom is symmetrically disposed to provide communication with the coupling housing sump.

5. The power takeoff box structure as claimed in claim 1, wherein the output shaft is provided with a plurality of transverse ribs on an outer side surface thereof.

6. The power takeoff case structure as claimed in claim 1, wherein said case is provided at an upper portion thereof with a cover plate.