CN215748943U

CN215748943U - Automobile half shaft dismounting device

Info

Publication number: CN215748943U
Application number: CN202121296339.2U
Authority: CN
Inventors: 朱其凤; 王飞; 滕杰; 王中坤; 朱钊; 鲍兵兵; 周建芳; 卜万里; 黄巨成
Original assignee: Chery Commercial Vehicle Anhui Co Ltd
Current assignee: Chery Commercial Vehicle Anhui Co Ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-02-08
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses an automobile half shaft dismounting device, which belongs to the technical field of tool fixtures and comprises a positioning seat, a movable plate and a mandrel, wherein two ends of the positioning seat are in threaded connection with the movable plate through the mandrel to enable the movable plate to move along the length direction of the positioning seat, two ends of the positioning seat are respectively supported and positioned with a gearbox and a middle shaft, the movable plate is clamped into a connecting part of a movable joint and the gearbox, and one end of the mandrel is connected with a rotation driving part.

Description

Automobile half shaft dismounting device

Technical Field

The utility model relates to the technical field of tool fixtures, in particular to a dismounting device for an automobile half shaft.

Background

The constant velocity joint drive shaft assembly is commonly called a half shaft and is used for transmitting the output torque of the gearbox to wheels, and the wheels obtain power to enable the vehicle to move forwards and backwards. The half shaft is composed of a movable joint, a middle shaft and a fixed joint, the movable joint is connected with the fixed joint through the middle shaft, and the movable joint at one end of the half shaft is connected with a differential gear of the gearbox through a spline. At the present stage, when the rear axle or the brake assembly has quality problems and the half axle needs to be disassembled, the existing disassembling mode of the half axle is to insert a crow bar into a gap between the movable joint and the gearbox, and forcibly pry and press the movable joint of the half axle and the gearbox to separate the movable joint of the half axle from the gearbox, so that the half axle is disassembled. The half shaft is disassembled by a crow bar, and the following defects exist: on one hand, if the end surface of the movable joint is uneven or the gearbox is not provided with a prying fulcrum, the disassembly is inconvenient, so that the time spent on disassembling the half shaft is long, the disassembly efficiency is low, the labor intensity of workers is high, and the personal injury can be caused; on the other hand, the end face of the half shaft moving joint, the oil seal of the gearbox, the bearing and other parts are easy to damage in the prying process, and the service life of the parts is shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model designs the automobile half shaft dismounting device according to the structure of the automobile body framework, has simple integral structure, convenient and labor-saving dismounting, safety and reliability, protects the end surface of the movable joint and parts in the gearbox, and improves the dismounting efficiency of the half shaft.

In order to achieve the purpose, the technical scheme adopted by the utility model for solving the technical problems is as follows: automobile half axle dismounting device, the semi-axis is including removing festival, jackshaft and fixed festival, it links to each other with the differential mechanism of gearbox to remove the festival through the spline, dismounting device includes positioning seat, movable plate and dabber, the both ends of positioning seat pass through the dabber with movable plate threaded connection makes the movable plate along the length direction of positioning seat removes, the both ends of positioning seat respectively with gearbox and jackshaft support the location, the movable plate card is gone into the position of being connected of removing festival and gearbox, the one end of dabber links to each other with the rotation driver part.

Furthermore, the positioning seat includes fixed plate I and fixed plate II that bottom plate and both ends fixed link to each other, the both ends of dabber are passed through the bearing and are rotated with fixed plate I and fixed plate II respectively and link to each other.

Further, the outside of fixed plate I with the terminal surface conflict cooperation of gearbox, II upper ends of fixed plate are provided with arc draw-in groove I, arc draw-in groove I with the periphery joint cooperation of removal festival. .

Furthermore, the bottom plate is provided with a sliding groove along the length direction, the bottom end of the moving plate is in sliding fit with the sliding groove, and the middle of the moving plate is provided with a threaded hole in threaded connection with the mandrel.

Further, an arc-shaped clamping groove II is formed in the upper end of the moving plate, and the moving joint and the gearbox are connected through the arc-shaped clamping groove II in a clamped mode.

Further, the sliding groove is provided as a dovetail groove.

Further, the rotation driving part is provided as a motor or an electric torque gun.

Further, an output shaft of the motor is connected with one end of the mandrel through a coupler.

Further, the one end of dabber is provided with the hexagonal locating piece, electronic torque gun's the tightening head with the cooperation of hexagonal locating piece joint.

The utility model has the beneficial effects that:

1. the transmission case and the intermediate shaft are supported and positioned by the positioning seat, the movable plate in the positioning seat is clamped into the connecting part of the movable joint and the transmission case, and the core shaft is driven to rotate by rotating the driving part, so that the movable plate is driven to move along the positioning seat, the movable plate is abutted to the end face of the movable joint, and the half shaft is gradually separated from the transmission case under the action of the thrust of the movable plate.

2. The rotary driving part is set as a motor or an electric torque gun, when the rotary driving part is set as the motor, the electric torque gun is held by hands, automatic disassembly is realized, when the electric torque gun is set, the hexagonal positioning block at one end of the mandrel is in clamping fit with the tightening head of the electric torque gun, the electric torque gun is convenient to assemble and disassemble, the structure of the whole device is simpler, and the half shaft is more flexible to disassemble.

To sum up, the dismounting device is simple in integral structure, convenient and labor-saving to dismount, safe and reliable, protects the end face of the movable joint and parts in the gearbox, and improves the dismounting efficiency and flexibility of the half shaft.

Drawings

The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:

FIG. 1 is a schematic structural view of an automotive axle shaft;

FIG. 2 is a schematic structural view of the detaching device of the present invention;

FIG. 3 is a schematic structural diagram illustrating a usage state of the present invention;

the labels in the above figures are: 1. the movable joint, the intermediate shaft, the fixed joint, the gearbox, the positioning seat, the bottom plate, the 511 sliding groove, the fixed plate I, the fixed plate II, the fixed plate 531, the arc-shaped clamping groove I, the movable plate, the threaded hole 61, the arc-shaped clamping groove II, the mandrel 7, the hexagonal positioning block 71 and the bearing 8 are sequentially arranged in the movable joint, the intermediate shaft and the fixed joint, and the movable plate is arranged in the movable joint.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a device for dismounting a half shaft of an automobile, wherein the structure of the half shaft is shown in figure 1, the half shaft comprises a movable joint 1, an intermediate shaft 2 and a fixed joint 3, the movable joint 1 is connected with a differential mechanism of a gearbox 4 through a spline, one end of the movable joint 1 is provided with a stepped shaft section, and the stepped shaft section is separated from the differential mechanism of the gearbox 4 by a certain distance. As shown in fig. 2 and 3, the dismounting device of the present invention includes a positioning seat 5, a moving plate 6 and a mandrel 7, wherein two ends of the positioning seat 5 are in threaded connection with the moving plate 6 through the mandrel 7 to move the moving plate 6 along the length direction of the positioning seat 5, two ends of the positioning seat 5 are respectively supported and positioned with the transmission case 4 and the moving joint 1, i.e., one end of the positioning seat 5 abuts against the end surface of the transmission case 4, the other end of the positioning seat 5 is in clamped connection with the periphery of the moving joint 1 to support, the moving plate 6 is clamped into the connection portion of the moving joint 1 and the transmission case 4, one end of the mandrel 7 is connected with a rotation driving part, the mandrel 7 is driven to rotate by the rotation driving part, so as to drive the moving plate 6 to move along the positioning seat 5, the moving plate 6 abuts against the end surface of the moving joint 1 and the half shaft is gradually separated from the transmission case 4 under the thrust of the moving plate 6, thereby realizing the dismounting of the half shaft, which is convenient and labor-saving for dismounting, The movable joint is safe and reliable, the end face of the movable joint and parts in the gearbox are protected, and the dismounting efficiency of the half shaft is improved.

Specifically, the positioning seat 5 includes a bottom plate 51 and a fixing plate i 52 and a fixing plate ii 53 fixedly connected to the bottom plate and two ends of the bottom plate, and two ends of the spindle 7 are rotatably connected to the fixing plate i 52 and the fixing plate ii 53 through bearings 8, so that the spindle 7 can freely rotate between the fixing plate i 52 and the fixing plate ii 53.

The outside of fixed plate I52 wherein contradicts the cooperation with the terminal surface of gearbox 4, and II 53 upper ends of fixed plate are provided with arc draw-in groove I531, and arc draw-in groove I531 cooperates with the periphery joint of removal festival 1 to the terminal surface of gearbox 4 is the holding surface, will remove 1 periphery of festival and fix a position the back, is convenient for stabilize the dismantlement to the semi-axis.

The bottom plate 51 is provided with a sliding groove 511 along the length direction, the sliding groove 511 is a dovetail groove, so that the guiding effect is better, the bottom end of the moving plate 6 is in sliding fit with the sliding groove 511, the middle part of the moving plate 6 is provided with a threaded hole 61 in threaded connection with the mandrel 7, and the moving plate 6 can be driven by the rotation of the mandrel 7 to slide back and forth in the sliding groove 511.

The upper end of the moving plate 6 is provided with an arc-shaped clamping groove II 62, the arc-shaped clamping groove II 62 is clamped into the connecting part of the moving joint 1 and the gearbox 4, so that one side face of the moving plate 6 is abutted to the end face of the moving joint 1, and the moving joint 1 is pushed to move towards the direction far away from the gearbox 4 along with the movement of the moving plate 6.

Specifically, the rotary driving part is set as a motor or an electric torque gun, when the rotary driving part is set as the motor, an output shaft of the motor is connected with one end of the mandrel 7 through a coupler, manual holding operation is not needed, and automatic disassembly is realized; when the rotary driving part is set as an electric torque gun, one end of the mandrel 7 is provided with a hexagonal positioning block 71, a tightening head of the electric torque gun is in clamping fit with the hexagonal positioning block 71, and after the electric torque gun is held by hands to enable the tightening head to be clamped into the hexagonal positioning block 71, the electric torque gun is started to enable the tightening head to rotate so as to drive the mandrel 7 to rotate, so that the dismounting action of the half shaft can be realized, the electric torque gun is convenient to mount and dismount, the structure of the whole device is simpler, and the half shaft is more flexible to dismount.

The use method of the dismounting device comprises the following steps: firstly, abutting one end of a positioning seat 5 against the end face of a gearbox 4, supporting and positioning the other end of the positioning seat 5 and the periphery of a movable joint 1, and clamping a moving plate 6 into a connecting part of the movable joint 1 and the gearbox 4 by operating a rotation driving part; then, the rotating driving part is operated to drive the core shaft 7 to rotate, so that the moving plate 6 is driven to move along the length direction of the positioning seat 5, the moving plate 6 is enabled to be abutted against the end face of the moving joint 1, the moving joint 1 is enabled to be gradually separated from the gearbox 4 under the pushing force of the moving plate 6, and the half shaft is detached.

While the foregoing is directed to the principles of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims

1. The utility model provides an automobile half axle dismounting device, the semi-axis is including removing festival (1), jackshaft (2) and fixed festival (3), remove festival (1) and link to each other through the differential mechanism of spline with gearbox (4), a serial communication port, dismounting device includes positioning seat (5), movable plate (6) and dabber (7), the both ends of positioning seat (5) pass through dabber (7) with movable plate (6) threaded connection makes movable plate (6) follow the length direction of positioning seat (5) removes, the both ends of positioning seat (5) respectively with gearbox (4) and removal festival (1) support the location, movable plate (6) card is gone into remove the position of being connected of festival (1) and gearbox (4), the one end of dabber (7) links to each other with the rotation drive disk assembly.

2. The automotive axle half dismounting device according to claim 1, characterized in that: the positioning seat (5) comprises a bottom plate (51) and a fixing plate I (52) and a fixing plate II (53) which are fixedly connected with the two ends of the bottom plate, and the two ends of the mandrel (7) are rotatably connected with the fixing plate I (52) and the fixing plate II (53) through bearings (8) respectively.

3. The automotive axle half dismounting device according to claim 2, characterized in that: the outside of fixed plate I (52) with the terminal surface conflict cooperation of gearbox (4), fixed plate II (53) upper end is provided with arc draw-in groove I (531), arc draw-in groove I (531) with the periphery joint cooperation of removal festival (1).

4. The automotive axle half dismounting device according to claim 2, characterized in that: the bottom plate (51) is provided with a sliding groove (511) along the length direction thereof, the bottom end of the moving plate (6) is in sliding fit with the sliding groove (511), and the middle part of the moving plate (6) is provided with a threaded hole (61) in threaded connection with the mandrel (7).

5. The automotive axle half dismounting device according to claim 4, characterized in that: the upper end of the moving plate (6) is provided with an arc-shaped clamping groove II (62), and the arc-shaped clamping groove II (62) is clamped into the connecting part of the moving joint (1) and the gearbox (4).

6. The automotive axle half dismounting device according to claim 4, characterized in that: the sliding groove (511) is provided as a dovetail groove.

7. The automotive axle half dismounting device according to claim 1, characterized in that: the rotation driving part is set as a motor or an electric torque gun.

8. The automotive axle half dismounting device according to claim 7, characterized in that: the output shaft of the motor is connected with one end of the mandrel (7) through a coupler.

9. The automotive axle half dismounting device according to claim 7, characterized in that: one end of the mandrel (7) is provided with a hexagonal positioning block (71), and a tightening head of the electric torque gun is in clamping fit with the hexagonal positioning block (71).