CN111347236A

CN111347236A - Automobile rear axle disassembling device

Info

Publication number: CN111347236A
Application number: CN202010155765.8A
Authority: CN
Inventors: 杨唯巍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-06-30
Anticipated expiration: 2040-03-09
Also published as: CN111347236B

Abstract

The invention discloses a device for disassembling an automobile rear axle, and belongs to the field of automobile disassembly. An automobile rear axle dismantling device comprises: the device comprises a base, a rack, a connecting frame and a first driving mechanism; the rack is arranged at two ends of the base, the connecting frame is horizontally arranged above the base and is in sliding connection with the rack, and the first driving mechanism can drive the connecting frame to move up and down; wherein both ends of the second supporting member are respectively engaged with both ends of the first supporting member, surrounding the half bridge portion of the rear axle; equal fixed mounting has electric screwdriver and electric spanner to compare with prior art on first support piece and the second support piece, and half-bridge driving shaft tip can be torn open fast to the car rear axle detaching device of this application, uses manpower sparingly, improves and disassembles efficiency.

Description

Automobile rear axle disassembling device

Technical Field

The invention relates to the field of automobile disassembly, in particular to an automobile rear axle disassembling device.

Background

The rear axle is a rear driving shaft component for transmitting vehicle power, is composed of two half-bridges and can implement half-bridge differential motion. It is also a device for supporting the wheels and connecting the rear wheels. For a rear-drive vehicle, the rear axle of the vehicle has the functions of driving, decelerating and differentiating besides the bearing function, and for a four-drive vehicle, a transfer case is generally arranged in front of the rear axle and used for distributing torque.

Therefore, the rear axle is generally more complex than the front axle, and the probability of failure is higher. In the case of repair or maintenance, it is often necessary to disassemble the rear axle, to fill it with oil, to remove dust or to replace components.

At present, the rear axle is disassembled mostly by manual operation, and for some large vehicles, the rear axle is large in size and very heavy, and the manual operation obviously wastes time and labor. On the other hand, when the two ends of the rear axle and the rear axle half shaft are disassembled, the manual operation space is small, and the operation is very inconvenient.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a device for disassembling a rear axle of an automobile, which is used for solving the technical problems that the rear axle is inconvenient to disassemble and labor is consumed in the prior art.

The purpose of the invention can be realized by the following technical scheme:

an automobile rear axle dismantling device comprises: the device comprises a base, a rack, a connecting frame and a first driving mechanism;

the rack is arranged at two ends of the base, the connecting frame is horizontally arranged above the base and is in sliding connection with the rack, and the first driving mechanism can drive the connecting frame to move up and down;

the middle part of the base is fixedly provided with a first clamp body, the base is provided with a first slide rail, and the first slide rail is arranged on two sides of the first clamp body; the first sliding rail is connected with a first bracket in a sliding manner, and the upper end of the first bracket is fixedly connected with a first supporting piece;

the middle part of the connecting frame is fixedly provided with a second clamp body, the lower end of the connecting frame is provided with a second slide rail, and the second slide rails are arranged on two sides of the second clamp body; a second support is connected to the second slide rail in a sliding manner, and a second support piece is fixedly connected to the upper end of the second support;

wherein both ends of the second supporting member are respectively engaged with both ends of the first supporting member, surrounding the half bridge portion of the rear axle; and the first supporting piece and the second supporting piece are fixedly provided with an electric screwdriver and an electric wrench.

Furthermore, two third supports are respectively arranged at two ends of the base, and the third supports are both connected with the first slide rail in a sliding manner; an end cover is fixedly mounted on the third support and parallel to the end portion of the rear axle, a groove is formed in the end face, close to the end face of the first support, of the end cover, and the groove corresponds to the outer end of the half bridge of the rear axle.

Further, one end, close to the first supporting piece, of the end cover is provided with a plurality of cylinders, and output ends of the cylinders extend from the edge of the end cover to the middle of the end cover.

Further, a plurality of arc chutes that link up are all seted up on first support piece and the second support piece, electric screwdriver's both sides are equipped with the arc mounting panel, the arc mounting panel with the arc chute is corresponding, the mounting hole has been seted up on the arc mounting panel, the arc mounting panel with first support piece passes through positioning bolt and connects, positioning bolt passes through the mounting hole and probes into in the arc chute.

Furthermore, the inner wall of the arc-shaped sliding groove is provided with scale marks.

Furthermore, the middle part of the end cover is provided with a through operation hole, and the central shaft of the operation hole is aligned with the central shaft of the half-bridge driving shaft.

Further, the third bracket comprises a base and a support, the end cover is fixedly arranged on the support, and the support is rotatably connected with the base; and the pillar is also provided with an oil ejector which is horizontally arranged, and the oil ejector and the axis of the half bridge of the rear axle are positioned at the same height.

Further, the third bracket comprises a base and a support, the end cover is fixedly arranged on the support, and the support is rotatably connected with the base; still fixed mounting has the second actuating mechanism and the clean stick that the level was arranged on the pillar, clean stick has the inner chamber, the last inlet of having seted up of clean stick, and set up a plurality of evenly distributed's brush piece on the outer peripheral face, two are adjacent be equipped with the liquid outlet between the brush piece, the liquid outlet with the inner chamber intercommunication.

Further, a plurality of air bags are arranged on the inner walls of the first clamp body and the second clamp body and communicated with an external air source.

Further, a travel switch is arranged on a combination surface of the first clamp body and the second clamp body, and the travel switch controls starting and stopping of the external air source.

The invention has the beneficial effects that:

the rear axle disassembling device provided by the invention clamps and fixes the rear axle by arranging the split first clamp body and the split second clamp body. Therefore, the rear axle main body is fixed, the peripheral space of the half bridge cannot be occupied, an operator can conveniently perform manual cleaning, maintenance and other operations, and other automatic instruments can be conveniently arranged. Form annular operation panel through first support piece and second support piece, annular operation panel not only has support and spacing effect to after starting electric screwdriver, can unscrew each drive shaft fixing bolt at both ends simultaneously, improved greatly and disassembled efficiency, use manpower sparingly.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a rear axle dismounting device of an automobile according to the present application;

FIG. 2 is a schematic view of the assembly relationship of various parts on a third bracket according to the present application;

fig. 3 is a schematic view illustrating an assembly relationship of parts of the first support member according to the present application.

The parts corresponding to the reference numerals in the figures are as follows:

1. a base; 2. a frame; 3. a connecting frame; 4. a first clamp body; 5. a second clamp body; 6. a first slide rail; 7. a first bracket; 8. a first support member; 9. a second bracket; 10. a second support member; 11. a third support; 12. an end cap; 13. a cylinder; 14. an arc-shaped chute; 15. an electric screwdriver; 16. mounting a plate; 17. positioning the bolt; 18. an operation hole; 19. a pillar; 20. a base; 21. an oil lubricator; 22. brushing sheets; 23. a liquid outlet; 24. and (4) cleaning the rod.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1-3, a device for disassembling a rear axle of an automobile includes: the device comprises a base 1, a frame 2, a connecting frame 3 and a first driving mechanism; the frame 2 is arranged at two ends of the base 1, the connecting frame 3 is horizontally arranged above the base 1, the connecting frame 3 is connected with the frame 2 in a sliding manner, and the first driving mechanism can drive the connecting frame 3 to move up and down; the middle part of the base 1 is fixedly provided with a first clamp body 4, the base 1 is provided with a first slide rail 6, and the first slide rail 6 is arranged at two sides of the first clamp body 4; the first sliding rail 6 is connected with a first support 7 in a sliding manner, and the upper end of the first support 7 is fixedly connected with a first support piece 8; the middle part of the connecting frame 3 is fixedly provided with a second clamp body 5, the lower end of the connecting frame 3 is provided with a second slide rail, and the second slide rails are arranged on two sides of the second clamp body 5; a second bracket 9 is connected to the second slide rail in a sliding manner, and a second supporting piece 10 is fixedly connected to the upper end of the second bracket 9; wherein both end portions of the second support member 10 are respectively engaged with both end portions of the first support member 8, surrounding the half bridge portion of the rear axle; the first supporting member 8 and the second supporting member 10 are both fixedly provided with an electric screwdriver 15 and an electric wrench.

Describing the working principle of the present invention in detail, in the initial state, the connecting frame 3 should be located at the upper end of the machine frame 2, so that the first and second clamp bodies 4 and 5 have a proper distance therebetween, which is convenient for an operator to place a rear axle of a car to be dismantled, and the first and

second supports

8 and 10 on both sides should be aligned in the vertical direction, respectively. During placement, the operator should place the rear axle body part, i.e. the rear axle middle part, on the first clamp body 4; and the two half-bridge parts of the rear axle, i.e. the drive shaft parts, are located above the first support members 8 on both sides, respectively.

After the placing is finished, the first driving mechanism can be started, the connecting frame 3 is driven to move downwards, the first clamp body 4 and the second clamp body 5 are clamped together, the rear axle main body positioned on the first clamp body 4 is clamped and fixed, and the half-bridge parts at two points are arranged outside the first clamp body 4 and the second clamp body 5. When the first clamp body 4 is clamped with the second clamp body 5, the first support 8 is clamped with the second support 10 to form an annular operating panel surrounding the plate bridge portion. And, the electric screwdrivers 15 of the first and second clamp bodies 4 and 5 should be aligned with the fixing bolts of the half driving shafts, respectively.

During disassembly, the operator can move the first support 8 and the second support 10 to slide along the first slide rail 6 and the second slide rail synchronously until the electric screwdriver 15 thereon is engaged with the fixing bolt of the driving shaft. Due to the fixing function of the first clamp body 4 and the second clamp body 5, the rear axle main body is clamped and fixed. At this time, the electric screwdriver 15 is started, the mounting bolts of the driving shaft are unscrewed, the end part of the driving shaft can be separated from the rear axle shell, and an operator manually removes the limit positioning screws on the half-bridge shell and other positioning components on the shell body, so that the driving shaft can be detached.

As can be seen from the above description, the rear axle disassembling device of the invention clamps and fixes the rear axle by arranging the split first clamp body 4 and the split second clamp body 5. Therefore, the rear axle main body is fixed, the peripheral space of the half bridge cannot be occupied, an operator can conveniently perform manual cleaning, maintenance and other operations, and other automatic instruments can be conveniently arranged. Form annular operation panel through first support piece 8 and second support piece 10, annular operation panel not only has the effect of supporting with spacing to after starting electric screwdriver 15, can unscrew each drive shaft fixing bolt at both ends simultaneously, improved greatly and disassembled efficiency, use manpower sparingly.

Furthermore, a plurality of through arc-shaped sliding grooves 14 are formed in the first support member 8 and the second support member 10, arc-shaped mounting plates 16 are arranged on two sides of the electric screwdriver 15, the arc-shaped mounting plates 16 correspond to the arc-shaped sliding grooves 14, mounting holes are formed in the arc-shaped mounting plates 16, the arc-shaped mounting plates 16 are connected with the first support member 8 through positioning bolts 17, and the positioning bolts 17 penetrate into the arc-shaped sliding grooves 14 through the mounting holes.

That is, the electric screw driver 15 is mounted on the first and

second supports

8 and 10 through the arc-shaped mounting plate 16, and more specifically, through the engagement of the bolts with the mounting holes and the arc-shaped sliding grooves 14. The operator can slide the arc-shaped mounting plate 16 and the electric screwdriver 15 along the arc-shaped groove by loosening the bolt, and adjust the proper position to align with the fixing bolt of the driving shaft. Through setting up mounting panel 16, can more swiftly adjust the position of electric screwdriver 15, also can increase and decrease the quantity of electric screwdriver 15 fast for the configuration of electric screwdriver 15 group is more nimble, adapts to the automobile rear axle of different models.

Specifically, the inner wall of the arc chute 14 is provided with scale lines, by which the operator can adjust the electric screw driver 15 to a specific angle more accurately.

The inner walls of the first clamp body 4 and the second clamp body 5 are provided with a plurality of air bags, and the air bags are communicated with an external air source. A travel switch may also be provided on the joint surface of the first gripper body 4 and the second gripper body 5. The travel switch is electrically connected with an external air source. That is, when the first clamp body 4 is engaged with the second clamp body 5, the external air source is inflated to the air bag, the rear axle main body between the first clamp body 4 and the second clamp body 5 is further clamped,

the end cap 12 is provided with a through-going operating hole 18 in the middle, the central axis of the operating hole 18 being aligned with the central axis of the half-bridge drive shaft. After the disassembly is completed, the operator can act on the inside of the rear axle through the operation hole 18, for example, the operator can use a special gas nozzle or oil injector 21 to penetrate through the mounting hole and enter the rear axle housing for dust removal or lubrication.

In this embodiment, two third brackets 11 are respectively disposed at two ends of the base 1, and the third brackets 11 are both slidably connected to the first slide rail 6; an end cover 12 is fixedly installed on the third support 11, the end cover 12 is parallel to the end portion of the rear axle, and a groove is formed in the end face, close to the first support member 8, of the end cover 12 and corresponds to the outer end of the half bridge of the rear axle. Specifically, when the disassembly is performed, the outer ends of the half-bridges will be pulled outward. In order to accept the half-bridge outer end of dismantling, when dismantling the completion, the operator can remove third support 11 for end cover 12 is close the half-bridge outer end of deviating from, and until half day outer end block in the recess, prevents that the half-bridge outer end from dismantling the back and directly falling, causes the damage.

Further, one end of the end cover 12 close to the first support 8 is provided with a plurality of cylinders 13, and output ends of the cylinders 13 extend from the edge of the end cover 12 to the middle of the end cover 12. Specifically, when the disassembly is performed, the outer end of the half bridge is pulled out and falls into the groove after being received by the end cover 12. In order to be more favorable to taking out the half-bridge drive shaft, after half-bridge tip and recess block, drive actuating cylinder 13 for the output of actuating cylinder 13 stretches out, detains the half-bridge tip and must not deviate from in the recess. After the lock, pull down the half-bridge drive shaft like this, remove third support 11 again, can deviate from the half-bridge drive shaft, conveniently disassemble work.

In this embodiment, the third bracket 11 includes a base 20 and a pillar 19, the end cap 12 is fixedly mounted on the pillar 19, and the pillar 19 is rotatably connected with the base 20; a horizontally arranged oil filler 21 is also mounted on the strut 19, the oil filler 21 being at the same level as the axis of the half bridge of the rear axle. That is, the operator can move the base 20 outward after completing the disassembly, and since the half-bridge driving shaft is engaged with the end cap 12, the half-bridge driving shaft can be removed from the rear axle body when moving the base 20 outward. At this time, the strut 19 is rotated again so that the lubricator 21 is aligned with the rear axle axis, and the operator can remove the disassembled half-bridge drive shaft, and move the base 20 again so that the tip of the lubricator 21 is inserted into the rear axle body to perform the oiling operation. Therefore, through the upper setting, the half shaft can be taken down more conveniently, and the oiling operation of the rear axle main body can be carried out rapidly.

In another embodiment of the present invention, the third bracket 11 comprises a base 20 and a pillar 19, the end cap 12 is fixedly mounted on the pillar 19, and the pillar 19 is rotatably connected with the base 20; still fixed mounting has second actuating mechanism and the horizontal cleaning rod 24 who arranges on the pillar 19, and cleaning rod 24 has the inner chamber, has seted up the inlet on the cleaning rod 24, and has seted up a plurality of evenly distributed's brush piece 22 on the outer peripheral face, is equipped with liquid outlet 23 between two adjacent brush pieces 22, and liquid outlet 23 and inner chamber intercommunication.

It can be understood that the oil ejector 21 and the cleaning rod 24 can be installed on one pillar 19 at the same time, so that the third bracket 11 assembly has multiple functions, and an operator can rotate the pillar 19 to clean and inject oil in sequence after completing the disassembly, pulling the third bracket 11 open and removing the half-bridge driving shaft.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides an automobile rear axle detaching device which characterized in that includes: the device comprises a base (1), a rack (2), a connecting frame (3) and a first driving mechanism;

the rack (2) is arranged at two ends of the base (1), the connecting frame (3) is horizontally arranged above the base (1), the connecting frame (3) is connected with the rack (2) in a sliding manner, and the first driving mechanism can drive the connecting frame (3) to move up and down;

a first clamp body (4) is fixedly installed in the middle of the base (1), a first sliding rail (6) is arranged on the base (1), and the first sliding rail (6) is arranged on two sides of the first clamp body (4); the first sliding rail (6) is connected with a first support (7) in a sliding manner, and the upper end of the first support (7) is fixedly connected with a first support piece (8);

a second clamp body (5) is fixedly installed in the middle of the connecting frame (3), a second sliding rail is arranged at the lower end of the connecting frame (3), and the second sliding rail is arranged on two sides of the second clamp body (5); a second support (9) is connected to the second slide rail in a sliding manner, and a second support piece (10) is fixedly connected to the upper end of the second support (9);

wherein both end portions of the second support member (10) are respectively engaged with both end portions of the first support member (8), surrounding the half bridge portion of the rear axle; and the first supporting piece (8) and the second supporting piece (10) are fixedly provided with an electric screwdriver (15) and an electric wrench.

2. The automobile rear axle dismantling device according to claim 1, wherein two third brackets (11) are respectively disposed at two ends of the base (1), and both of the third brackets (11) are slidably connected to the first slide rail (6); an end cover (12) is fixedly mounted on the third support (11), the end cover (12) is parallel to the end portion of the rear axle, a groove is formed in the end face, close to the first support piece (8), of the end cover (12), and the groove corresponds to the outer end of the half bridge of the rear axle.

3. The automobile rear axle dismantling device according to claim 2, wherein a plurality of air cylinders (13) are provided at an end of the end cover (12) near the first support member (8), and output ends of the air cylinders (13) extend from an edge of the end cover (12) to a middle of the end cover (12).

4. The automobile rear axle disassembling device according to claim 1, characterized in that the first support member (8) and the second support member (10) are respectively provided with a plurality of through arc-shaped sliding grooves (14), arc-shaped mounting plates (16) are arranged on two sides of the electric screwdriver (15), the arc-shaped mounting plates (16) correspond to the arc-shaped sliding grooves (14), the arc-shaped mounting plates (16) are provided with mounting holes, the arc-shaped mounting plates (16) are connected with the first support member (8) through positioning bolts (17), and the positioning bolts (17) extend into the arc-shaped sliding grooves (14) through the mounting holes.

5. The automobile rear axle dismantling device according to claim 4, wherein the inner wall of the arc chute (14) is provided with scale marks.

6. The automobile rear axle dismantling device according to claim 1, wherein said end cap (12) is provided with an operation hole (18) formed therethrough at a central portion thereof, and a central axis of the operation hole (18) is aligned with a central axis of the half-bridge driving shaft.

7. The automobile rear axle dismantling device according to claim 3, wherein said third bracket (11) comprises a base (20) and a pillar (19), said end cap (12) is fixedly mounted on said pillar (19), and said pillar (19) is rotatably connected to said base (20); and an oil ejector (21) which is horizontally arranged is further mounted on the strut (19), and the oil ejector (21) and the axis of the half bridge of the rear axle are positioned at the same height.

8. The automobile rear axle dismantling device according to claim 3, wherein said third bracket (11) comprises a base (20) and a pillar (19), said end cap (12) is fixedly mounted on said pillar (19), and said pillar (19) is rotatably connected to said base (20); still fixed mounting has second actuating mechanism and the clean stick (24) that the level was arranged on pillar (19), clean stick (24) have the inner chamber, the inlet has been seted up on clean stick (24), and has seted up a plurality of evenly distributed's brush piece (22) on the outer peripheral face, and two are adjacent be equipped with liquid outlet (23) between brush piece (22), liquid outlet (23) with the inner chamber intercommunication.

9. The automobile rear axle dismantling device according to claim 1, wherein a plurality of air bags are provided on the inner walls of the first clamp body (4) and the second clamp body (5), and the air bags are communicated with an external air source.

10. The automobile rear axle disassembling device according to claim 9, wherein a travel switch is provided on a joint surface of the first clamp body (4) and the second clamp body (5), and the travel switch controls the start and stop of the external air source.