CN214444368U

CN214444368U - Press mounting device for middle connection spline pair of Hooke type transmission shaft

Info

Publication number: CN214444368U
Application number: CN202120509117.8U
Authority: CN
Inventors: 薛清雅; 孙强
Original assignee: Shanghai GKN Huayu Driveline Systems Co Ltd
Current assignee: Shanghai GKN Huayu Driveline Systems Co Ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-10-22
Anticipated expiration: 2031-03-10

Abstract

The utility model relates to a press mounting device of a hooke type transmission shaft middle connecting spline pair, which is used for press mounting and connecting a middle sleeve fork assembly and a spline shaft welding three-piece assembly of a hooke type transmission shaft, the middle sleeve fork assembly is provided with upward press mounting surfaces at the left side and the right side, the press mounting device comprises a lower fixing seat and an upper press mounting seat, the lower fixing seat is used for fixedly mounting the spline shaft welding three-piece assembly, the upper press mounting seat comprises a connecting plate, a rotating platform which is horizontally and rotatably arranged on the connecting plate, a locking structure which locks the rotating platform on the connecting plate, and a clamping press mounting mechanism arranged on the rotating platform, the clamping press mounting mechanism comprises two pressing blocks which are oppositely arranged at the left side and the right side and a clamping driving component which drives the two pressing blocks to move left and right, the middle sleeve fork assembly is arranged in the upper press mounting seat, the two pressing blocks are used for respectively abutting against the left side and the right side of the middle sleeve fork assembly to fix the middle sleeve fork assembly, and the two pressing blocks are respectively pressed against the two pressing surfaces.

Description

Press mounting device for middle connection spline pair of Hooke type transmission shaft

Technical Field

The utility model relates to a transmission shaft assembly field, concretely relates to vice pressure equipment device of hooke's formula transmission shaft intermediate junction spline.

Background

In the conventional hooke-type transmission shaft, a spline shaft welding three-piece assembly 20 and a middle sleeve fork assembly 10 are included, as shown in fig. 4 and 5, wherein the spline shaft welding three-piece assembly 20 and the middle sleeve fork assembly 10 are connected through an intermediate connecting spline pair, the intermediate connecting spline pair mainly comprises a spline sleeve 101 in the middle sleeve fork assembly 10 and a spline shaft part 201 in the spline shaft welding three-piece assembly 20, and a gasket, a bolt and the like are used for screwing and fixing after the assembly is completed; when the middle connection spline pair is manually pressed in and assembled, the process cannot be controlled, the working efficiency is low, the condition of improper assembly is easy to occur, and the condition that the whole transmission shaft is worn in advance or even fails in the presence of products with improper assembly under the high-torque conditions of heavy load, frequent starting and the like can cause serious consequences.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art's shortcoming, the to-be-solved technical problem of the utility model is to provide a vice pressure equipment device of hooke's formula transmission shaft intermediate junction spline, can realize vice quick accurate alignment and the assembly of hooke's formula transmission shaft intermediate junction spline, improvement assembly quality and operating efficiency that can be effective.

In order to achieve the purpose, the utility model provides a press mounting device of a hooke type transmission shaft middle connection spline pair, which is used for press mounting and connecting a middle sleeve fork assembly and a spline shaft welding three-piece assembly of the hooke type transmission shaft, wherein the middle sleeve fork assembly is provided with upward press mounting surfaces on the left side and the right side, the press mounting device comprises a lower fixing seat and an upper press mounting seat, the lower fixing seat is used for fixedly mounting the spline shaft welding three-piece assembly, the upper press mounting seat comprises a connecting plate, a rotating platform which is horizontally and rotatably arranged on the connecting plate, a locking structure which locks the rotating platform on the connecting plate, and a clamping press mounting mechanism arranged on the rotating platform, the clamping press mounting mechanism comprises two pressing blocks which are oppositely arranged left and right and a clamping driving component which drives the two pressing blocks to move left and right, the middle sleeve fork assembly is arranged in the upper press mounting seat, and the two pressing blocks are used for respectively abutting against the left side and the right side of the middle sleeve fork assembly to fix the middle sleeve fork assembly, and the two pressing blocks are respectively pressed against the two pressing surfaces.

Further, the middle sleeve fork assembly is provided with an ear part, the upper side faces of the left side and the right side of the ear part are press-fitting faces, the lower end of the pressing block is provided with a groove, and the groove is used for being pressed and buckled on the ear part.

Furthermore, the clamping driving assembly comprises two clamping cylinders which are oppositely arranged left and right, and the two pressing blocks are respectively fixed on piston rods of the two clamping cylinders.

Furthermore, go up the pressure equipment seat still including setting up the prepositioning mechanism on the revolving stage, prepositioning mechanism includes two and controls the relative prepositioning board that sets up, and the prepositioning board is adjustable about the position on the revolving stage.

Further, the pre-positioning plate is fixed on the installation side plate, the installation side plate begins to have a strip-shaped hole extending from left to right, and the pre-positioning plate passes through the strip-shaped hole by a bolt to be installed on the rotating platform.

Furthermore, an included angle between adjacent spline teeth of a spline shaft part in the spline shaft welding three-piece assembly is theta, a limiting structure is arranged between the connecting plate and the rotating platform, and the limiting structure is used for limiting the rotating angle range of the rotating platform on the connecting plate to be 0-theta.

Furthermore, limit structure is including fixing two stoppers on the revolving stage, when the revolving stage rotated to leftmost and rightmost position on the connecting plate, two stoppers offset with the connecting plate respectively.

Furthermore, the upper press-fitting seat further comprises a handle fixed on the rotating table.

Furthermore, the locking structure in the upper press mounting seat comprises an arc-shaped hole formed in the rotating table and a locking bolt penetrating through the arc-shaped hole and screwed into the connecting plate, and the circle center of the arc-shaped hole is located at the rotating center of the rotating table.

As described above, the utility model relates to a pressure equipment device has following beneficial effect:

by arranging the fixed seat and the upper press-fitting seat, when the device is used, the three assemblies for welding the spline shaft are fixedly arranged in the lower fixed seat, the connecting plate of the upper press-fitting seat is connected with the lower press-fitting operation equipment, the middle sleeve fork assembly is arranged in the upper press-fitting seat, the clamping driving assembly is utilized to drive the two pressing blocks to be close to each other and respectively abut against the left side and the right side of the middle sleeve fork assembly, the middle sleeve fork assembly is fixed, and the pressing blocks are simultaneously pressed on a press-fitting surface; after the installation, the spline sleeve and the spline shaft part are coaxial; and then, rotating the rotating table, adjusting the angle phase between the spline sleeve and the spline shaft part to ensure that the circumferential angle of the spline between the spline sleeve and the spline shaft part is correct, locking the position of the rotating table, driving the upper press-mounting seat to start pressing down by the pressing operation equipment, applying pressure to a press-mounting surface in the middle sleeve fork assembly by the pressing block, and pressing the spline sleeve into the spline shaft part. The utility model discloses a pressure equipment device, convenient to use is nimble, can realize vice quick accurate alignment and the assembly of hooke's formula transmission shaft intermediate junction spline, and the manufacturability is strong, goes up the pressure equipment seat and can be directed against different product rapid drainages and extend, improvement assembly quality and operating efficiency that can be effective.

Drawings

Fig. 1 is a schematic structural view of an upper press-fitting seat in the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a schematic view of the upper press-fitting seat of the present invention.

Fig. 4 is a front view of fig. 3.

FIG. 5 is a schematic structural diagram of a middle sleeve fork and spline shaft welded three-piece assembly before press fitting.

FIG. 6 is a schematic diagram of a pressed-fit structure of a middle sleeve fork and spline shaft welded three-piece assembly.

Description of the element reference numerals

10 middle sleeve fork assembly

10a press-fit surface

101 spline sleeve

102 ear

20 spline shaft welded three-piece assembly

201 spline shaft portion

1 connecting plate

2 rotating table

3 briquetting

4 clamping cylinder

5 pre-positioning plate

6 side installation plate

6a strip-shaped hole

7 limiting block

8 handle

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the drawings of the present application are only used to match the contents disclosed in the specification, so as to be known and read by those skilled in the art, and not to limit the practical limitations of the present invention, so that the present application does not have any technical significance, and any modification of the structure, change of the ratio relationship, or adjustment of the size should still fall within the scope of the present application without affecting the function and the achievable purpose of the present application. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be considered as the scope of the present invention without substantial changes in the technical content.

Referring to fig. 1 to 6, the utility model provides a vice pressure equipment device of hooke's formula transmission shaft intermediate junction spline for three assemblies 20 of well sleeve fork assembly 10 and the integral key shaft welding to hooke's formula transmission shaft carry out the pressure equipment and connect, see fig. 4 and 5, the lower extreme of well sleeve fork assembly 10 has spline sleeve pipe 101, the upper end of three assemblies 20 of integral key shaft welding has spline axial region 201, spline sleeve pipe 101 cup joints on spline axial region 201 during the assembly, it is vice that both form the intermediate junction spline. The middle sleeve fork assembly 10 has upward press-fitting surfaces 10a on the left and right sides, wherein the press-fitting surfaces 10a may be specifically disposed on the upper end of a certain component, for example, the middle sleeve fork assembly 10 has an ear portion 102, the upper side surfaces on the left and right sides of the ear portion 102 may be used as the press-fitting surfaces 10a, and of course, the press-fitting surfaces 10a may also be disposed on the upper sides of other components.

Referring to fig. 1, fig. 2 and fig. 3, the utility model discloses a pressure equipment device includes fixing base and last pressure equipment seat down, the fixing base is used for three assemblies 20 of fixed mounting integral key shaft welding down, it includes connecting plate 1 to go up the pressure equipment seat, but install revolving stage 2 on connecting plate 1 with horizontal rotation, lock the locking structure of revolving stage 2 on connecting plate 1, and set up the tight pressure equipment mechanism of clamp on revolving stage 2, press from both sides tight pressure equipment mechanism and include two relative briquetting 3 that set up about and control, and the tight drive assembly of clamp that removes about two briquetting 3 of drive, well casing fork assembly 10 is installed in last pressure equipment seat, two briquetting 3 are used for supporting to fix well casing fork assembly 10 left and right sides well casing fork assembly 10, and two briquetting 3 press respectively on two pressure equipment faces 10 a.

The utility model relates to a pressure equipment device's basic operating principle does: when in use, referring to fig. 3, the three spline shaft welding assemblies 20 are fixedly mounted in a lower fixed seat (not shown in the drawing), the connecting plate 1 of the upper press-mounting seat is connected with a lower press-mounting operation device (such as a cylinder, a mechanical arm and the like), the middle sleeve fork assembly 10 is mounted in the upper press-mounting seat, specifically, the middle sleeve fork assembly 10 is mounted between two press blocks 3, then the clamping driving component drives the two press blocks 3 to approach each other and respectively abut against the left side and the right side of the middle sleeve fork assembly 10, the middle sleeve fork assembly 10 is fixed, the circumferential position and the radial position of the middle sleeve fork assembly 10 are limited, and the press blocks 3 are simultaneously pressed against a press-mounting surface 10 a; after the installation is finished, the spline sleeve 101 at the lower end of the middle sleeve fork assembly 10 and the spline shaft part 201 at the upper end of the spline shaft welding three-piece assembly 20 are kept coaxial; then the rotating table 2 is rotated to drive the middle sleeve fork assembly 10 to rotate, the angle phase between the spline sleeve 101 and the spline shaft part 201 is adjusted, the circumferential angle of the spline between the spline sleeve 101 and the spline shaft part 201 is correct, then the position of the rotating table 2 is locked, the pressing operation equipment drives the upper pressing seat to start pressing, the pressing block 3 applies pressure to a pressing surface 10a in the middle sleeve fork assembly 10, the spline sleeve 101 is pressed onto the spline shaft part 201, after pressing in place, assembly is completed, and then the assembled workpiece is taken out. The pressing block 3 simultaneously plays a role in clamping and pressing down the spline shaft welding three-piece assembly 20.

The utility model discloses a pressure equipment device, convenient to use is nimble, can realize vice quick accurate alignment and the assembly of hooke's formula transmission shaft intermediate junction spline, and the manufacturability is strong, goes up the pressure equipment seat and can be directed against different product rapid drainages and extend, improvement assembly quality and operating efficiency that can be effective.

Referring to fig. 1 to 6, the present invention is further described below with a specific embodiment:

in the present embodiment, referring to fig. 4 and 5, the middle sleeve fork assembly 10 has an ear portion 102, the upper side surfaces of the left and right sides of the ear portion 102 are press-fitting surfaces 10a, and preferably, the lower end of the pressing block 3 is provided with a groove for press-fitting on the ear portion 102, so that the pressing block 3 can be more stably press-fitted and is not easily separated from the ear portion 102. The upper side of the ear 102 is generally an arc-shaped surface, in the middle sleeve fork assemblies 10 of different models, the ear 102 has different sizes, wherein the preferred size of the groove is larger than that of the ear 102, and the bottom of the groove is an arc surface, so that the groove can be pressed and buckled on the ears 102 of different sizes, and the operation is more stable and reliable.

In this embodiment, referring to fig. 1 and fig. 2, the clamping driving assembly includes two pressing blocks 3 oppositely disposed on the clamping cylinder 4, the two pressing blocks 3 are respectively fixed on the piston rods of the two clamping cylinders 4, and the pressing blocks 3 are driven to linearly move left and right by the telescopic movement of the piston rods of the clamping cylinders 4, so as to clamp and release the centering tube fork assembly 10.

In this embodiment, referring to fig. 1 and 2, as a preferred design, the upper press-fitting seat further includes a pre-positioning mechanism disposed on the rotary table 2, the pre-positioning mechanism includes two pre-positioning plates 5 disposed oppositely left and right, and the pre-positioning plates 5 are adjustable in position left and right on the rotary table 2, specifically, the pre-positioning plates 5 are fixed on one installation side plate 6, the installation side plate 6 starts to have strip-shaped holes 6a extending left and right, the pre-positioning plates 5 are installed on the rotary table 2 by penetrating the strip-shaped holes 6a with bolts (not shown in the drawings), and by loosening the bolts, the installation side plate 6 is adjusted to move along the strip-shaped holes 6a, so as to adjust the distance between the two pre-positioning plates 5, and then tightening the bolts to fix the installation side plate 6. In the embodiment, the pressing block 3 passes through the pre-positioning plate 5 when moving left and right. In the process of press mounting operation, when the middle casing fork assembly 10 is mounted on the upper press mounting seat, firstly, the distance between the two pre-positioning plates 5 is adjusted according to the size of the middle casing fork assembly 10 to enable the distance to be slightly larger than the size of the middle casing fork assembly 10 at the position, then, the middle casing fork assembly 10 is placed between the two pre-positioning plates 5, pre-positioning of the mounting position of the middle casing fork assembly 10 is achieved, and then, the pressing block 3 is used for clamping, so that operation is convenient.

In this embodiment, referring to fig. 1, as a preferred design, an included angle between adjacent spline teeth of the spline shaft 201 in the spline shaft welding three-piece assembly 20 is θ, θ is equal to 360 ° divided by the number of spline teeth N, a limit structure is provided between the connecting plate 1 and the rotating platform 2, the limit structure is used for limiting a rotation angle range of the rotating platform 2 on the connecting plate 1 to be 0 ° - θ, specifically, the limit structure includes two limit blocks 7 fixed on the rotating platform 2, and when the rotating platform 2 rotates to the leftmost position and the rightmost position on the connecting plate 1, the two limit blocks 7 respectively abut against the connecting plate 1. The horizontal rotation range of the rotary table 2 is limited by the limiting block 7, so that the angle phase between the spline sleeve 101 and the spline shaft part 201 can be conveniently adjusted, and alignment is kept.

In the present embodiment, referring to fig. 1, as a preferred design, the upper press-fitting seat further includes a handle 8 fixed on the rotating platform 2 for conveniently adjusting the rotating platform 2 to rotate. In the present embodiment, the locking structure in the upper press-fitting seat includes an arc-shaped hole (not shown in the drawings) provided in the rotating table 2, and a locking bolt (not shown in the drawings) screwed into the connecting plate 1 through the arc-shaped hole, and the center of the arc-shaped hole is located at the rotation center of the rotating table 2. Therefore, when the locking bolt is unscrewed, the rotating platform 2 can be adjusted to rotate, and then the locking bolt is screwed down, so that the position of the rotating platform 2 can be locked. Of course, the locking structure can also adopt other existing common structures, and the locking function can be realized.

From the above, the press-fitting device in the embodiment has the following advantages: 1. the assembly fixture is convenient and flexible to use, can realize quick and accurate alignment and assembly of the middle connecting spline pair of the Hooke type transmission shaft, has strong manufacturability, can quickly adjust and expand the upper press mounting seat aiming at different products, and can effectively improve the assembly quality and the operation efficiency; 2. when the middle sleeve fork assembly 10 is installed in the upper press-fitting seat, pre-positioning can be performed firstly, and then clamping is performed, so that the installation is convenient, and the positioning accuracy is improved; 3. the angle of adjustment of the rotary table 2 is controllable, so that the angle phase between the spline sleeve 101 and the spline shaft 201 can be conveniently adjusted, and the alignment can be maintained.

To sum up, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a vice pressure equipment device of connection spline in middle of hooke's formula transmission shaft for well sleeve fork assembly (10) and the three assemblies of integral key shaft welding (20) to hooke's formula transmission shaft carry out the pressure equipment and connect, well sleeve fork assembly (10) have up pressure equipment face (10a) in the left and right sides, its characterized in that: the press-fitting device comprises a lower fixed seat and an upper press-fitting seat, the lower fixed seat is used for fixedly mounting a spline shaft welding three-piece assembly (20), the upper press-fitting seat comprises a connecting plate (1), a rotating platform (2) which is horizontally and rotatably arranged on the connecting plate (1), a locking structure which locks the rotating platform (2) on the connecting plate (1), and a clamping press-fitting mechanism arranged on the rotating platform (2), the clamping press-fitting mechanism comprises two press blocks (3) which are oppositely arranged left and right and a clamping driving component for driving the two press blocks (3) to move left and right, the middle casing fork assembly (10) is arranged in the upper press-mounting seat, the two press blocks (3) are respectively abutted against the left side and the right side of the middle casing fork assembly (10) to fix the middle casing fork assembly (10), and the two pressing blocks (3) are respectively pressed against the two press-fitting surfaces (10 a).

2. A press-fitting device according to claim 1, wherein: well sleeve fork assembly (10) in have ear (102), the last side of ear (102) left and right sides is pressure equipment face (10a), the lower extreme of briquetting (3) is seted up flutedly, the recess is used for the pressure to detain on ear (102).

3. A press-fitting device according to claim 1, wherein: the clamping driving assembly comprises two clamping cylinders (4) which are oppositely arranged left and right, and two pressing blocks (3) are respectively fixed on piston rods of the two clamping cylinders (4).

4. A press-fitting device according to claim 1, wherein: go up pressure equipment seat still including setting up the prepositioning mechanism on revolving stage (2), prepositioning mechanism includes two and controls relative prepositioning board (5) that set up, and position is adjustable about prepositioning board (5) on revolving stage (2).

5. A press-fitting device according to claim 4, wherein: the utility model discloses a revolving stage, including installation curb plate (6), prepositioning board (5) are fixed on installation curb plate (6), installation curb plate (6) are seted up and are controlled the bar hole (6a) that extend, prepositioning board (5) utilize the bolt to pass bar hole (6a) and install on revolving stage (2).

6. A press-fitting device according to claim 1, wherein: an included angle between adjacent key teeth of a spline shaft part (201) in the spline shaft welding three-piece assembly (20) is theta, a limiting structure is arranged between the connecting plate (1) and the rotating platform (2), and the limiting structure is used for limiting the rotating angle range of the rotating platform (2) on the connecting plate (1) to be 0-theta.

7. A press-fitting device according to claim 6, wherein: the limiting structure comprises two limiting blocks (7) fixed on the rotating platform (2), and when the rotating platform (2) rotates to the leftmost position and the rightmost position on the connecting plate (1), the two limiting blocks (7) are respectively abutted to the connecting plate (1).

8. A press-fitting device according to claim 1, wherein: the upper press-fitting seat also comprises a handle (8) fixed on the rotating platform (2).

9. A press-fitting device according to claim 1, wherein: the locking structure in the upper press mounting seat comprises an arc-shaped hole formed in the rotating platform (2) and a locking bolt penetrating through the arc-shaped hole and screwed into the connecting plate (1), and the circle center of the arc-shaped hole is located at the rotating center of the rotating platform (2).