CN210600092U

CN210600092U - Main differential mechanism assembly disassembly body that subtracts

Info

Publication number: CN210600092U
Application number: CN201921196378.8U
Authority: CN
Inventors: 齐宏宇; 黄小林; 何洁; 郑增雄; 陈雪友; 邱文杰
Original assignee: Liuzhou Wuling Automobile Industry Co Ltd; Guangxi Automobile Group Co Ltd
Current assignee: Liuzhou Wuling Automobile Industry Co Ltd; Liuzhou Wuling Motors Co Ltd; Guangxi Automobile Group Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-05-22
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a main differential assembly disassembly mechanism that subtracts, including the installation main part, be provided with the dismantlement module in the installation main part, the dismantlement module includes drive division, locating component, vertical drive portion and transverse drive portion, the locating component set up in on the transverse drive component for with the transverse positioning of differential shell body; and a wedge-shaped mechanism is arranged between the longitudinal transmission part and the transverse transmission part, the driving part drives the longitudinal transmission part to move, and the transverse transmission part transversely reciprocates relative to the mounting main body under the action of the wedge-shaped mechanism. The utility model discloses a wedge mechanism makes overall structure simplify greatly as core drive disk assembly, uses the telescoping cylinder simultaneously and not the motor as whole power supply for it is whole to change in the operation, even if also can operate the use or maintain it to non professional.

Description

Main differential mechanism assembly disassembly body that subtracts

Technical Field

The invention relates to the technical field of vehicles, in particular to a main reducing differential assembly dismounting mechanism.

Background

For the mainstream automobile speed reducer in the current market, the tooth side clearance is one of the key factors influencing the quality of the main speed reducer, and the proper tooth side clearance can reduce the working noise of the main speed reducer and prolong the service life of the main speed reducer. The differential assembly is used as a part of a main speed reducer, and the backlash is adjusted mainly by adjusting gaskets at two ends of a left bearing and a right bearing.

One of the work steps necessary to make the adjustment is to remove the differential assembly from its mounting housing, which typically requires the use of a removal mechanism. At present, the existing dismounting mechanism is complex in structure and high in cost, and needs professional workers when being debugged, so that a new dismounting mechanism which is simple, convenient and quick to operate is urgently needed.

Disclosure of Invention

The invention aims to provide a main reducing differential assembly dismounting mechanism which can be used for conveniently and quickly taking out a differential assembly from a mounting shell of the main reducing differential assembly.

In order to solve the technical problem, the utility model provides a main reducing differential assembly dismounting mechanism, which comprises an installation main body, wherein a dismounting module is arranged on the installation main body, the dismounting module comprises a driving part, a positioning part, a longitudinal transmission part and a transverse transmission part, and the positioning part is arranged on the transverse transmission part and is used for transverse positioning with a differential shell; a wedge-shaped mechanism is arranged between the longitudinal transmission part and the transverse transmission part, the driving part drives the longitudinal transmission part to move, and the transverse transmission part transversely reciprocates relative to the mounting seat under the action of the wedge-shaped mechanism.

Optionally, the driving part comprises a telescopic cylinder, and the telescopic cylinder is longitudinally fixed on the mounting main body through a telescopic cylinder mounting seat.

The utility model discloses a wedge mechanism makes overall structure simplify greatly as core drive disk assembly, uses the telescoping cylinder simultaneously and not the motor as whole power supply for it is whole to change in the operation, even if also can operate the use or maintain it to non professional.

Optionally, the positioning component is a positioning pin, and is used for being matched and positioned with a positioning hole in the differential case.

Optionally, the mounting device further comprises a limiting block, the limiting block is fixed to the mounting main body, and the limiting block is used for limiting the maximum longitudinal displacement of the longitudinal transmission component.

Optionally, the transverse transmission part comprises a slider connecting plate, a slider is mounted at the bottom of the slider connecting plate, and a slide rail in sliding fit with the slider is mounted on the mounting main body; the positioning component is arranged on the sliding block connecting plate.

Optionally, the positioning device further comprises a connecting piece, the connecting piece is rotatably connected to the front end portion of the sliding block connecting plate, the rotating shafts of the connecting piece and the sliding block connecting plate are vertical shafts, and the positioning component is mounted at the free end portion of the connecting piece.

Optionally, the wedge mechanism includes a first wedge block and a second wedge block that are matched with each other, the first wedge block is installed below the slider connecting plate, the slider connecting plate is supported by the mounting main body through the first wedge block, and the slider is disposed at a front section of the slider connecting plate.

Optionally, the second wedge-shaped block is located below the slider connecting plate, a portion, located on the inner side of the slider connecting plate, of the second wedge-shaped block includes a first side wall and a second side wall, and the first side wall is a wedge-shaped surface and is used for being matched with the wedge-shaped surface of the first wedge-shaped block; the second lateral wall with the stopper cooperation location, the second wedge is located the part in the slider connecting plate outside pass through the telescoping cylinder connector with the telescoping cylinder is connected.

Optionally, still include the fixed block, the part that the second wedge is located the slider connecting plate inboard still includes the third lateral wall, the third lateral wall with the fixed block cooperation, the fixed block is located the installation subject with between the slider connecting plate, and support in on the installation subject, be used for the restriction the lateral shifting of second wedge.

Optionally, the number of the detaching modules is two, the two detaching modules are arranged on the mounting main body, and the positioning components in the two detaching modules are transversely arranged oppositely.

Drawings

Fig. 1 is a schematic structural diagram of a main reducing differential assembly dismounting mechanism according to an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a right side view of FIG. 1;

fig. 4 is a view of fig. 2 with the slider connecting plate removed.

The reference numerals in fig. 1-4 are illustrated as follows:

1, a slide block connecting plate, 11 slide blocks, 12 first wedge blocks, 13 connecting shafts, 131 connecting pieces and 131a positioning pins;

2, mounting a main body, 21 telescopic cylinder mounting seats, 211 telescopic cylinders, 212 telescopic cylinder connectors, 22 limiting block mounting seats, 221 limiting blocks, 23 fixing blocks, 24 sliding rail mounting plates, 241 sliding rails and 25 second wedge-shaped blocks.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

The terms "first", "second", and the like, as used herein are used for convenience only to describe two or more structures or components that are the same or similar in structure, and do not denote any particular limitation on the order.

Referring to fig. 1-4, fig. 1 is a schematic structural diagram of a main reducing differential assembly dismounting mechanism according to an embodiment of the present invention; FIG. 2 is a top view of FIG. 1; FIG. 3 is a right side view of FIG. 1; fig. 4 is a view of fig. 2 with the slider connecting plate removed.

The utility model provides a main differential assembly disassembly mechanism that subtracts, including installation main part 2, be provided with the dismantlement module on the installation main part 2, the dismantlement module includes drive division, locating component, vertical drive portion and transverse drive portion, the locating component set up in on the transverse drive component for with the transverse positioning of differential shell body; a wedge-shaped mechanism is arranged between the longitudinal transmission part and the transverse transmission part, the driving part drives the longitudinal transmission part to move, and the transverse transmission part transversely reciprocates relative to the mounting main body 2 under the action of the wedge-shaped mechanism.

It should be understood that the terms "lateral" and "longitudinal" are used herein, wherein "lateral" refers to the direction of force applied to pull the differential case, and "longitudinal" refers to a direction perpendicular to the "lateral" direction.

In a specific embodiment, as shown in fig. 1, the driving portion may include a telescopic cylinder 211, the telescopic cylinder 211 may be transversely fixed on the mounting body 2 by a telescopic cylinder mounting seat 21, and the telescopic cylinder mounting seat 21 may be two mutually perpendicular steel plates, which are respectively named as a first plate surface and a second plate surface. The first plate surface can be parallel to the mounting plane of the mounting main body 2 and fixed with the mounting main body 2 in a bolt connection mode; the second plate surface may be perpendicular to the mounting plane of the mounting body 2, and may be fixed to the telescopic cylinder 211 by a bolt.

The longitudinal transmission part may include a telescopic cylinder connector 212 and a second wedge block 25, the telescopic cylinder connector 212 may be substantially cylindrical, one end of the telescopic cylinder connector may be in threaded connection with the telescopic cylinder 211, and the other end of the telescopic cylinder connector may be in interference fit with a portion of the second wedge block 25, which is located outside the slider connecting plate.

As shown in fig. 2, a limiting device may be further disposed on the mounting main body 2, the limiting device includes a limiting block mounting seat 22 and a limiting block 221, the limiting block mounting seat 22 may be fixed on the mounting main body 2 by a bolt connection, and the limiting block 221 is fixedly connected to the limiting block mounting seat 22. The stopper 221 may limit the longitudinal maximum displacement of the second wedge block 25 and thus the lateral maximum displacement of the first wedge block 12. The stopper mounting seat 22 is adopted, so that the adjustment of the stopper 221 is more convenient.

As shown in fig. 4, the portion of the second wedge block 25 located inside the slider connecting plate may include a first side wall on the right side of the second wedge block 25, a second side wall on the upper side of the second wedge block 25, and a third side wall on the left side of the second wedge block 25. The first side wall is matched with the first wedge block 12 to realize the conversion between longitudinal displacement and transverse displacement; the second side wall is matched with the limiting block 221, and can limit the maximum longitudinal displacement of the second wedge-shaped block 25; the third side wall is matched with the fixing block 23, and the fixing block 23 is fixed on the mounting main body 2 and located between the mounting main body 2 and the slider connecting plate 1 and used for limiting the transverse deviation of the second wedge-shaped block 25.

As shown in fig. 1, the transverse transmission part may include a slider connecting plate 1, a first wedge block 12, and a slide rail connecting part. The first wedge-shaped block 12 can be located below the rear end of the slider connecting plate 1 and connected with the slider connecting plate 1 in a bolt connection mode, wherein the first wedge-shaped block 12 is matched with the second wedge-shaped block 25 to form a wedge-shaped mechanism and has the function of supporting the rear end of the slider connecting plate 1. The slide rail connecting part may be located below the front end of the slider connecting plate 1, and is composed of a slide rail mounting plate 24, a slide rail 241, and a slider 11. The spatial arrangement of the slide rail connecting part is as shown in fig. 3, the slide rail connecting plate 24 is fixed on the mounting main body 2 through bolt connection, the slide rail 241 is fixedly connected with the slide rail mounting plate 24 and is positioned above the slide rail mounting plate 24, and the slide rail 241 is provided with a slide block 11 matched with the slide rail 241. The slider 11 is located the front end below of slider connecting plate 1 to be connected with slider connecting plate 1 through the guide rail that is located on slider connecting plate 1, slider 11 still has the effect of supporting the front end of slider connecting plate 1.

As shown in fig. 1, the positioning member is a positioning pin 131a, which is mainly used for positioning in cooperation with a positioning hole in the differential case. The positioning pin 131a is installed on the link 131, and the link 131 is connected to the slider connecting plate 1 through the connecting shaft 13. The connecting shaft 13 is located at the front end of the slider connecting plate 1, the positioning pin 131a is located at the free end of the connecting member 131, and the connecting member 131 can freely rotate around the connecting shaft 13. This freely rotatable design of the connecting member 131 makes it easier to adjust the position of the positioning pin 131a for various conditions.

It should be noted that the telescopic cylinder 211 can be a common pressure control element such as an air cylinder or an oil cylinder, and the telescopic cylinder 211 is used in this embodiment, rather than other electric or magnetic power sources, which has the advantages of making the operation and maintenance of the device simpler and more convenient, enabling the device to be operated quickly in learning, and requiring no professional person to operate the device.

It should be noted that, in the wedge mechanism, as shown in fig. 4, the first wedge block 12 and the second wedge block 25 are matched with each other, wherein the wedge surface of the first wedge block 12 is a large wedge surface, and the wedge surface of the second wedge block 25 is a small wedge surface. When the mechanism normally works, the second wedge block 25 is pushed by the telescopic cylinder connector 212 to further extrude the first wedge block 12, so that the first wedge block 12 transversely moves, and the conversion of the movement direction is realized. In addition, the included angle formed by the wedge-shaped matching surfaces between the first wedge block 12 and the second wedge block 25 is small, and the design can enable the control precision of the transverse movement of the first wedge block 12 to be higher.

The drive part, the positioning part, the longitudinal transmission part and the transverse transmission part of the dismounting module are all fixed on the same mounting main body 2. When the differential mechanism works normally, two disassembling modules are required to be matched with each other, the two disassembling modules can be placed on the left and the right, and a differential mechanism shell needing to be disassembled is fixed between the two disassembling modules through a supporting piece. It should be noted that two corresponding detaching modules also need two corresponding installing bodies 2 and two are respectively installed on the installing bodies 2.

For the support of the differential case, two supports symmetrical to each other left and right are used, which support the differential case exactly in a position approximately flush with the lower part of the dowel pin of the knock-down module. Simultaneously, the supporting piece capable of adjusting the height can be selected for use in order to facilitate the matching connection of the positioning pin and the positioning pin hole.

The following describes a specific working process by taking one of the disassembling modules as an example. The telescopic cylinder 211 controls the telescopic cylinder connector 212 to move longitudinally, the telescopic cylinder connector 212 further pushes the second wedge block 25 to move longitudinally, and the first wedge block 12 matched with the second wedge block 25 further moves transversely to drive the sliding block connecting plate 1 connected with the first wedge block to move transversely, so that the positioning pin on the sliding block connecting plate 1 is further driven to move transversely, the differential case is pulled open, and finally the differential assembly is taken out of the differential case.

The main differential assembly dismounting mechanism provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The main reduction differential assembly dismounting mechanism is characterized by comprising an installation main body (2), wherein a dismounting module is arranged on the installation main body (2), the dismounting module comprises a driving part, a positioning part, a longitudinal transmission part and a transverse transmission part, and the positioning part is arranged on the transverse transmission part and is used for being transversely positioned with an outer shell of a differential; and a wedge-shaped mechanism is arranged between the longitudinal transmission part and the transverse transmission part, the driving part drives the longitudinal transmission part to move, and the transverse transmission part transversely reciprocates relative to the mounting main body under the action of the wedge-shaped mechanism.

2. The main reduction differential assembly disassembly mechanism of claim 1, wherein the drive portion comprises a telescoping cylinder (211), the telescoping cylinder (211) being longitudinally fixed to the mounting body (2) by a telescoping cylinder mount (21).

3. The main reduction differential assembly disassembly mechanism of claim 2, wherein the positioning member is a positioning pin (131a) for mating positioning with a positioning hole on the outer differential case.

4. The main reduction differential assembly disassembly mechanism of claim 3, further comprising a stop block (221), the stop block (221) being fixed to the mounting body (2), the stop block (221) being configured to limit a longitudinal maximum displacement of the longitudinal transmission portion.

5. The main reduction differential assembly disassembly mechanism according to claim 4, wherein the transverse transmission part comprises a slider connecting plate (1), a slider (11) is installed at the bottom of the slider connecting plate (1), and a slide rail (241) in sliding fit with the slider (11) is installed on the installation body (2); the positioning component is arranged on the sliding block connecting plate (1).

6. The main reducing differential assembly dismounting mechanism according to claim 5, further comprising a connecting member (131), wherein the connecting member (131) is rotatably connected to the front end portion of the slider connecting plate (1), the rotating shafts of the two are vertical shafts, and the positioning member is mounted to the free end portion of the connecting member (131).

7. The main reduction differential assembly disassembly mechanism according to claim 5, characterized in that the wedge mechanism comprises a first wedge block (12) and a second wedge block (25) which are mutually matched, the first wedge block (12) is installed below the slider connecting plate (1), the slider connecting plate (1) is supported on the installation body (2) through the first wedge block (12), and the slider (11) is arranged at the front section of the slider connecting plate (1).

8. The main reduction differential assembly disassembly mechanism of claim 7, further comprising a telescoping cylinder connector (212), wherein the second wedge block (25) is located below the slider connecting plate (1), and a portion of the second wedge block (25) located inside the slider connecting plate (1) comprises a first side wall and a second side wall, wherein the first side wall is a wedge surface for mating with the wedge surface of the first wedge block (12); the second lateral wall with stopper (221) cooperation location, second wedge piece (25) are located the part in slider connecting plate (1) outside pass through telescoping cylinder connector (212) with telescoping cylinder (211) are connected.

9. The main reduction differential assembly disassembly mechanism of claim 8, further comprising a fixing block (23), wherein the portion of the second wedge block (25) located inside the slider connecting plate (1) further comprises a third sidewall, the third sidewall is engaged with the fixing block (23), and the fixing block (23) is located between the mounting body (2) and the slider connecting plate (1) and supported on the mounting body (2) for limiting the lateral offset of the second wedge block (25).

10. The main reduction differential assembly disassembly mechanism according to any one of claims 1 to 9, wherein the number of disassembly modules is two, two of the disassembly modules are provided to the mounting body (2), and positioning members of the two disassembly modules are laterally oppositely disposed.