CN212106862U

CN212106862U - Differential planetary gear mounting fixture

Info

Publication number: CN212106862U
Application number: CN202020548238.9U
Authority: CN
Inventors: 马卫国; 吴大庆
Original assignee: Changshu Meiqiao Automotive Drive System Manufacturing Technology Co ltd
Current assignee: Changshu Meiqiao Automotive Drive System Manufacturing Technology Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-12-08
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a differential mechanism planetary gear mounting fixture, which comprises a connecting plate, wherein a cylinder is arranged on the connecting plate, a supporting plate is vertically arranged on the connecting plate, a cover plate is arranged on one end of the supporting plate, which is far away from the connecting plate, a base is arranged on one end of the cover plate, which is far away from the supporting plate, and a cushion block is arranged on one end of the base, which is far away from the cover plate; the pull rod is in transmission connection with a piston rod of the air cylinder and penetrates through the connecting plate, the cover plate, the base and the cushion block; a conical rod is sleeved on the pull rod, the conical rod is partially arranged in the base and the cushion block in a penetrating manner, and one end of the pull rod, which is far away from the cylinder, is exposed out of the conical rod; the pull rod is far away from one end of the air cylinder is further sleeved with a locking nut, a guide pressure plate, a clamping flap expansion sleeve and a clamp. Which reduces the labor intensity of the operator.

Description

Differential planetary gear mounting fixture

Technical Field

The utility model relates to an anchor clamps field, specific differential mechanism planetary gear sectional fixture.

Background

The existing differential planetary gear installation is that a differential shell is manually placed on a bracket to directly install the planetary gear.

In the differential, a spring gasket is generally arranged behind the side gears of the planetary gear to ensure that the tooth surfaces of two pairs of gears are attached. If the differential case is simply fixed by a simple bracket and manually installed, the two planetary gears beside the differential case are installed by manpower, which is time-consuming and labor-consuming, and has extremely high requirements on installation personnel.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the prior art, the embodiment of the utility model provides a differential mechanism planetary gear sectional fixture, it has reduced operating personnel's intensity of labour.

In order to achieve the above object, the embodiment of the present application discloses a differential planetary gear mounting fixture, including:

the air cylinder is mounted on the connecting plate, a supporting plate is vertically arranged on the connecting plate, a cover plate is arranged at one end, far away from the connecting plate, of the supporting plate, a base is arranged at one end, far away from the supporting plate, of the cover plate, and a cushion block is arranged at one end, far away from the cover plate, of the base;

the pull rod is in transmission connection with a piston rod of the air cylinder and penetrates through the connecting plate, the cover plate, the base and the cushion block; a conical rod is sleeved on the pull rod, the conical rod is partially arranged in the base and the cushion block in a penetrating manner, and one end of the pull rod, which is far away from the cylinder, is exposed out of the conical rod; a locking nut, a guide pressure plate, a clamping flap expansion sleeve and a clamp are further sleeved on one end of the pull rod, which is far away from the air cylinder;

and a spring is arranged in the base, one end of the spring is propped against the cover plate, and the other end of the spring is propped against the conical rod.

Preferably, a bump is arranged in the middle of the cover plate, the bump is arranged on the surface of the cover plate far away from the cylinder, the bump of the cover plate is arranged inside the base, and the spring abuts against the bump of the cover plate.

Preferably, the base is provided with a first through hole, and the pull rod and the taper rod penetrate through the first through hole; be equipped with two stoppers in the first through-hole, one the stopper is close to the cylinder sets up, and another the stopper is used for right the taper rod carries on spacingly, the spring sets up two between the stopper.

Preferably, one end of the conical rod, which is close to the cylinder, is provided with a limiting block, the limiting block is arranged along the circumferential direction of the conical rod, one surface, which is far away from the cylinder, of the limiting block can be abutted against the inner wall of the base, the spring is arranged between the base and the conical rod, and one end, which is far away from the cylinder, of the spring is abutted against one surface, which is close to the cylinder, of the limiting block.

Preferably, the valve clamping expansion sleeve is fixed on the guide pressure plate through a screw, the valve clamping expansion sleeve is close to one end of the conical rod and is arranged on the conical rod, and the clamp sleeve is arranged on the valve clamping expansion sleeve.

Preferably, the lock nut is threadedly coupled with the draw bar.

The utility model has the advantages as follows:

1. the clamp improves the productivity and reduces the labor intensity of operators;

2. the clamp has simple structure, convenient manufacture and installation and difficult damage;

3. the operation is stable, long service life, and the subassembly is few, and the assembly is simple.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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 invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a differential planetary gear mounting fixture and a differential according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a differential planetary gear mounting fixture according to an embodiment of the present invention;

reference numerals of the above figures:

1. a connecting plate; 2. a cylinder; 3. a support plate; 4. a cover plate; 41. a bump; 5. a base; 6. cushion blocks; 7. a pull rod; 8. A tapered rod; 81. a limiting block; 9. a lock nut; 10. a guide pressure plate; 11. a valve clamping expansion sleeve; 12. clamping a hoop; 13. a spring; 14. A differential gear.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of 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", "second", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature.

In order to achieve the above object, the utility model provides a differential mechanism planetary gear sectional fixture.

In this embodiment, referring to fig. 1, the clamp is fixed on the bracket, the cylinder 2 of the clamp is disposed below, the valve clamping expansion sleeve 11 is disposed above, the differential 14 is sleeved on the pull rod 7, and the valve clamping expansion sleeve 11 enters the spline inner hole of the planetary gear at the lowest of the differential 14.

Further, referring to fig. 2, the cylinder 2 is disposed at the bottom, a piston rod of the cylinder 2 is disposed upward, the piston rod is connected to a pull rod 7 in a transmission manner, and a length direction of the pull rod 7 is parallel to a movement direction of the piston rod.

Further, the upper portion of the cylinder 2 is fixedly mounted on the connecting plate 1, the piston rod penetrates through the connecting plate 1, a supporting plate 3 is vertically arranged on the edge of the connecting plate 1, a cover plate 4 is arranged on the upper portion of the supporting plate 3, the pull rod 7 penetrates through the cover plate 4, a protruding block 41 is arranged in the middle of the upper portion of the cover plate 4, and the protruding block 41 is arranged on the periphery of the pull rod 7.

Further, still be equipped with base 5 on the apron 4, be equipped with first through-hole in the base 5, pull rod 7 wears to establish in the first through-hole, be equipped with two stoppers in the first through-hole, the lower extreme of first through-hole is equipped with a stopper, and the stopper of lower extreme is used for holding the lug 41 of apron 4, the stopper that sets up on upper portion is used for right taper rod 8 carries on spacingly.

Further, still the cover is equipped with awl pole 8 on pull rod 7, the lower part of awl pole 8 is equipped with stopper 81, stopper 81 is followed the circumference setting of awl pole 8, the up end of stopper 81 with the lower terminal surface of the stopper on 5 upper portions of base can laminate spacingly.

Further, a spring 13 is arranged between the base 5 and the lower end of the taper rod 8 from the limiting block 81.

Further, a cushion block 6 is further arranged on the upper portion of the base 5, and the cushion block 6 is used for limiting the differential 14.

Further, the upper end of pull rod 7 is exposed taper rod 8, lock nut 9, direction clamp plate 10, the card lamella cover 11 and the clamp 12 that rises are worn to be equipped with by last under to in proper order in pull rod 7's upper end, the clamp 12 cover is established on the card lamella cover 11 that rises, the card lamella cover 11 that rises passes through the screw fixation and is in on the direction clamp plate 10.

Further, referring to fig. 2, a step is arranged on the valve clamping expansion sleeve 11, and the step is arranged above the clamp 12.

By means of the structure, the differential 14 is placed on the clamp, the valve clamping expansion sleeve 11 enters the spline inner hole of the planetary gear at the bottom of the differential 14, the cylinder 2 is started, the cylinder 2 drives the pull rod 7 to move downwards, the pull rod 7 drives the guide pressure plate 10 to downwards push the valve clamping expansion sleeve 11 to prop the valve clamping expansion sleeve 11 open along the taper rod 8, the lower part of the step of the valve clamping expansion sleeve 11 supports the spline inner hole of the planetary gear and then is matched with the step to fix the planetary gear, the taper rod 8 overcomes the elastic force of the spring 13 to downwards move the planetary gear, and further the wave spring 13 arranged below the planetary gear is compressed, so that the gap between the two gears in the differential 14 is enlarged, and the gears at two sides of the differential 14 are conveniently installed.

Borrow by above-mentioned structure will differential mechanism 14 is placed on the anchor clamps, the card lamella cover 11 that rises gets into in the planet gear's of differential mechanism 14 below the spline hole, start cylinder 2, cylinder 2 drives pull rod 7 downstream, pull rod 7 takes guide pressure plate 10 to promote card lamella cover 11 that rises to strut along taper rod 8 card lamella cover 11 that rises downwards, behind the spline hole that card lamella cover 11 propped planet gear taper rod 8 overcome spring 13's elasticity downstream the planet gear, and is further, will set up the wave spring below the planet gear and compress tightly for the space between two next two gears in differential mechanism 14 grow, makes things convenient for the installation of the gear of differential mechanism 14 both sides.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a differential mechanism planetary gear sectional fixture which characterized in that includes:

2. A differential planetary gear mounting fixture as claimed in claim 1, wherein the cover plate has a protrusion at its middle portion, the protrusion being disposed on a face of the cover plate away from the cylinder, the protrusion of the cover plate being disposed inside the base, the spring being held against the protrusion of the cover plate.

3. The differential planetary gear mounting fixture according to claim 1, wherein the base is provided with a first through hole, and the pull rod and the taper rod are arranged in the first through hole in a penetrating manner; be equipped with two stoppers in the first through-hole, one the stopper is close to the cylinder sets up, and another the stopper is used for right the taper rod carries on spacingly, the spring sets up two between the stopper.

4. The differential planetary gear mounting fixture according to claim 1, wherein a limiting block is disposed at one end of the conical rod close to the cylinder, the limiting block is disposed along a circumferential direction of the conical rod, one surface of the limiting block away from the cylinder can abut against an inner wall of the base, the spring is disposed between the base and the conical rod, and one end of the spring away from the cylinder abuts against one surface of the limiting block close to the cylinder.

5. The differential planetary gear mounting fixture of claim 1, wherein the valve clamping expansion sleeve is fixed on the guide pressure plate by screws, an end of the valve clamping expansion sleeve close to the taper rod is sleeved on the taper rod, and the clamp sleeve is sleeved on the valve clamping expansion sleeve.

6. A differential planetary gear mounting fixture as claimed in claim 1, wherein said lock nut is threadably engaged with said tie rod.