CN210920067U

CN210920067U - Axle stop speed reducer

Info

Publication number: CN210920067U
Application number: CN201922067310.6U
Authority: CN
Inventors: 张晓林
Original assignee: Qingdao Bohongsheng Machinery Co ltd
Current assignee: Qingdao Bohongsheng Machinery Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-07-03
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses an axle locking reduction gear, retarder housing, a plurality of heat dissipation wings of retarder housing's outer wall fixedly connected with, adjacent two all be equipped with the arc strip of fixing on retarder housing between the heat dissipation wing, four on the same horizontal plane be equipped with the heat exchange tube on the arc strip jointly, adjacent two all communicate each other through the connecting pipe between the heat exchange tube, it is a plurality of the one end that retarder housing was kept away from to the heat dissipation wing is equipped with the fixed plate rather than offsetting jointly, fixed plate and top, two of downside be equipped with a plurality of coupling mechanisms between the heat dissipation wing, top, two of downside the heat exchange tube is equipped with discharge pipe and admission pipe respectively. The utility model discloses it is rational in infrastructure, not only can carry out effective and efficient heat dissipation to the gear housing, and then realize reducing its degree of wear to inside drive gear's heat dissipation, increase its life.

Description

Axle stop speed reducer

Technical Field

The utility model relates to a reduction gear technical field especially relates to an axle locking reduction gear.

Background

After the power of the engine is output through the transmission, the power must be transmitted to the wheels through a main speed reducer and a differential mechanism, and for rear wheel drive automobiles such as passenger cars and trucks, the main speed reducer and the differential mechanism are arranged in a rear axle.

The main speed reducer has the following functions: the power output by the transmission is again decelerated to increase torque, and then transmitted to the differential. A bevel gear type main reducer is widely applied to a rear axle of a rear-drive automobile, output power of a transmission is transmitted to a driving bevel gear through a transmission shaft, and is transmitted to a differential mechanism after being reduced by a driven bevel gear, a large amount of heat can be generated in the process of speed reduction transmission, if the heat is not dissipated timely, the abrasion degree between transmission gears can be increased, the service life of the transmission gears is shortened, although the transmission gears are located at a chassis and are in contact with outside air, the natural heat dissipation effect is poor, and therefore an axle locking reducer is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the axle locking reduction gear that proposes, it not only can carry out effective and efficient heat dissipation to the gear housing, and then realizes reducing its degree of wear to inside drive gear's heat dissipation, increases its life.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an axle locking reduction gear, includes retarder housing, a plurality of heat dissipation wings of retarder housing's outer wall fixedly connected with, adjacent two all be equipped with the arc strip of fixing on retarder housing between the heat dissipation wing, four on the same horizontal plane be equipped with the heat exchange tube on the arc strip jointly, adjacent two all communicate each other through the connecting pipe between the heat exchange tube, it is a plurality of the one end that retarder housing was kept away from to the heat dissipation wing is equipped with the fixed plate rather than offsetting jointly, fixed plate and top, two of downside be equipped with a plurality of coupling mechanisms between the heat dissipation wing, top, two of downside the heat exchange tube is equipped with discharge pipe and admission pipe respectively.

Preferably, the arc-shaped strip is connected with the speed reducer shell through welding, and the arc-shaped strip is made of metal.

Preferably, the heat exchange tube consists of two U-shaped tubes, and the opposite ends of the two U-shaped tubes are connected through threaded joints.

Preferably, two adjacent connecting pipes are located on two opposite sides of the reducer casing.

Preferably, the fixed plate is fixedly connected with a plurality of arc blocks on the opposite surface of the speed reducer shell, and the arc blocks are all abutted to the opposite heat exchange tubes.

Preferably, the connecting mechanism comprises a fixed block fixed on the fixed plate, the fixed block is provided with a mounting bolt in threaded connection with the fixed block in a penetrating manner, the two opposite sides of the heat dissipation fins are provided with thread grooves, and the mounting bolt extends into the thread grooves and is in threaded connection with the thread grooves.

Compared with the prior art, the utility model, its beneficial effect does:

the utility model discloses, can carry out effectual heat transfer cooling to the reduction gear casing through the heat exchange tube, can carry out certain heat dissipation to the reduction gear casing through the heat dissipation wing, supplementary heat exchange tube dispels the heat to the reduction gear casing; because the gap is formed between the arc-shaped strip and the heat dissipation fins, when the automobile runs, the heat dissipation fins can dissipate heat of the speed reducer shell to a certain extent, so that the speed reducer shell can be efficiently dissipated, the transmission gear is not easy to transmit in a high-temperature annular mode, the abrasion degree of the transmission gear is reduced, and the service life of the transmission gear is prolonged; the heat exchange tube is convenient to install and disassemble, and is convenient to overhaul.

To sum up, the utility model discloses rational in infrastructure, not only can carry out effective and efficient heat dissipation to the gear reducer casing, and then realize reducing its degree of wear to inside drive gear's heat dissipation, increase its life.

Drawings

Fig. 1 is a front view of an axle locking speed reducer according to the present invention;

fig. 2 is a side view of a fixing plate in an axle locking speed reducer according to the present invention;

FIG. 3 is a side view of the connection between the curved bar and the heat exchange tube in the axle locking speed reducer of the present invention;

fig. 4 is a side view of a heat exchange tube in an axle locking speed reducer provided by the present invention;

fig. 5 is a top view of the heat exchange tube in the axle locking speed reducer provided by the utility model.

In the figure: the heat exchanger comprises a speed reducer shell 1, heat dissipation fins 2, arc-shaped strips 3, heat exchange tubes 4, connecting tubes 5, inlet tubes 6, fixing plates 7, thread grooves 8, fixing blocks 9, mounting bolts 10, arc-shaped blocks 11, threaded connectors 12 and discharge tubes 13.

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.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second," if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-5, an axle locking speed reducer comprises a speed reducer shell 1, wherein the outer wall of the speed reducer shell 1 is fixedly connected with a plurality of heat dissipation fins 2, an arc-shaped strip 3 fixed on the speed reducer shell 1 is arranged between every two adjacent heat dissipation fins 2, and a certain gap is reserved between each arc-shaped strip 3 and each heat dissipation fin 2 on two sides; the arc-shaped strip 3 is connected with the reducer casing 1 through welding, and the arc-shaped strip 3 is made of metal materials and can transmit heat on the reducer casing 1 to the heat exchange tube 4.

Be equipped with heat exchange tube 4 jointly on four arc strips 3 on the same horizontal plane, heat exchange tube 4 comprises two U type pipes, and the one end that two U type pipes are relative all is connected through threaded joint 12, as shown in fig. 5, rotates threaded joint 12 and can tighten up two U type pipes, is equipped with on the arc strip 3 with threaded joint 12 assorted recess, so can guarantee that heat exchange tube 4 hugs closely with arc strip 3, is favorable to the heat transfer.

Two adjacent heat exchange tubes 4 are communicated with each other through connecting tubes 5, the two adjacent connecting tubes 5 are positioned on two opposite sides of the reducer shell 1, and the connecting tubes 5 are connected with the threaded joints 12 and in threaded connection; one end of each heat dissipation fin 2 far away from the speed reducer casing 1 is provided with a fixing plate 7 abutting against the fixing plate, one side of each fixing plate 7 opposite to the speed reducer casing 1 is fixedly connected with a plurality of arc-shaped blocks 11, and the arc-shaped blocks 11 all abut against the corresponding heat exchange tubes 4, as shown in fig. 2, the heat exchange tubes 4 can be limited through the arc-shaped blocks 11, so that the heat exchange tubes tightly abut against the arc-shaped strips 3.

A plurality of connecting mechanisms are arranged between the fixed plate 7 and the two heat dissipation fins 2 at the uppermost side and the lower side, each connecting mechanism comprises a fixed block 9 fixed on the fixed plate 7, a mounting bolt 10 in threaded connection with the fixed block 9 penetrates through the fixed block 9, thread grooves 8 are formed in the opposite sides of the two heat dissipation fins 2, the mounting bolts extend into the thread grooves 8 and are in threaded connection with the thread grooves, and the fixed plate 7 and the heat dissipation fins 2 can be connected; the two heat exchange tubes 4 at the uppermost side and the lower side are respectively provided with a discharge pipe 13 and an inlet pipe 6, and heat exchange can be realized through water cooling or oil cooling.

In the utility model, the discharge pipe 13 and the inlet pipe 6 are connected with the cooling circulation equipment on the vehicle, the cooling liquid enters the heat exchange pipe 4 through the inlet pipe 6, and then is conveyed to the heat exchange pipe 4 at the upper side through the connecting pipe 5 and finally is discharged through the discharge pipe 13; when the speed reducer works, heat generated by the speed reducer is transferred to the speed reducer shell 1 and transferred to the arc-shaped strip 3, the heat exchange tube 4 and cooling liquid in the heat exchange tube can exchange heat for the arc-shaped strip 3, so that the arc-shaped strip 3 and the speed reducer shell 1 are cooled, and further, heat dissipation of a transmission gear in the speed reducer is realized, the speed reducer is not easy to transmit in a high-temperature annular mode, the abrasion degree of the speed reducer is reduced, and the service life of the speed reducer is prolonged; through setting up crisscross connecting pipe 5 and the heat exchange tube 4 of rectangle form, can increase the test piece that the coolant liquid flows in heat exchange tube 4, so can increase the heat transfer effect to arc strip 3 and reduction gear housing 1.

The speed reducer shell 1 can be radiated to a certain extent through the radiating fins 2, and the auxiliary heat exchange tubes 4 are used for radiating the speed reducer shell 1; because a gap is arranged between the arc-shaped strip 3 and the heat dissipation fins 2, when the automobile runs, the speed reducer shell 1 can be subjected to certain heat dissipation through the heat dissipation fins 2.

When the heat exchange tube 4 needs to be overhauled, the mounting bolt 10 is disassembled to take the fixing plate 7 down, then the connecting tube 5 is rotated to take the fixing plate down, and finally the threaded connector 12 is rotated to split the heat exchange tube 4, so that the heat exchange tube 4 is split, the overhaul is convenient, and the overhaul is simple and convenient; when the device is installed, the operation is reversed, and the device is simple and quick.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An axle stop speed reducer comprises a speed reducer shell (1) and is characterized in that, the outer wall of the reducer shell (1) is fixedly connected with a plurality of heat dissipation fins (2), arc-shaped strips (3) fixed on the reducer shell (1) are arranged between every two adjacent heat dissipation fins (2), heat exchange tubes (4) are jointly arranged on the four arc-shaped strips (3) on the same horizontal plane, every two adjacent heat exchange tubes (4) are mutually communicated through a connecting tube (5), one end, far away from the reducer shell (1), of each heat dissipation fin (2) is jointly provided with a fixing plate (7) abutted against the heat dissipation fin, a plurality of connecting mechanisms are arranged between the fixing plate (7) and the two heat dissipation fins (2) on the uppermost side and the lower side, and the heat exchange tubes (4) on the uppermost side and the lower side are respectively provided with a discharge tube (13) and an inlet tube (6).

2. The axle locking speed reducer according to claim 1, wherein the arc-shaped bar (3) is connected with the speed reducer casing (1) by welding, and the arc-shaped bar (3) is made of metal.

3. The axle locking speed reducer according to claim 1, wherein the heat exchange tube (4) is composed of two U-shaped tubes, and opposite ends of the two U-shaped tubes are connected through a threaded joint (12).

4. The axle locking retarder according to claim 1, characterized in that two adjacent connecting tubes (5) are located on opposite sides of the retarder housing (1).

5. The axle stop speed reducer according to claim 1, wherein one surface of the fixing plate (7) opposite to the speed reducer casing (1) is fixedly connected with a plurality of arc-shaped blocks (11), and the arc-shaped blocks (11) are abutted to the opposite heat exchange tubes (4).

6. The axle stop speed reducer according to claim 1, wherein the connecting mechanism comprises a fixing block (9) fixed on the fixing plate (7), a mounting bolt (10) in threaded connection with the fixing block (9) penetrates through the fixing block (9), and threaded grooves (8) are formed in the opposite surfaces of the two heat dissipation fins (2), and the mounting bolt extends into the threaded grooves (8) and is in threaded connection with the threaded grooves.