CN217874094U

CN217874094U - Gearbox shock attenuation fixed bolster

Info

Publication number: CN217874094U
Application number: CN202222011866.5U
Authority: CN
Inventors: 衣学航; 陈洪庆; 陈京聪; 宋林峰
Original assignee: Shandong Mingyu Heavy Industry Machinery Co Ltd
Current assignee: Shandong Mingyu Heavy Industry Machinery Co Ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-11-22
Anticipated expiration: 2032-08-02

Abstract

The utility model relates to a gearbox damping fixed bracket, relating to the technical field of fixed brackets and comprising a fixed plate, wherein the fixed plate is connected to a first component; the pin shaft is fixedly connected with the fixing plate; the buffer assembly at least comprises an elastic member which is arranged around the inner sleeve for a circle and is connected with the pin shaft; a bracket assembly connected to the second member, the bracket assembly disposed around the damping assembly. A gearbox shock attenuation fixed bolster, replaced current rigid connection's fixed mode, improved the shock attenuation effect.

Description

Gearbox shock attenuation fixed bolster

Technical Field

The utility model relates to a fixed bolster especially relates to a gearbox shock attenuation fixed bolster.

Background

The gearbox is one of the necessary parts in the loader. Most of the existing installation methods are that the gearbox is directly welded and fixed on the engine body. The loader has complex operation environment and frequent vibration in the operation process, and the rigid connection mode has poor shock resistance and is easy to generate fatigue damage to cause fracture. Based on this, need to design a gearbox shock attenuation fixed bolster in order to replace current rigid connection mode.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the deficiencies in the prior art, the utility model provides a gearbox shock attenuation fixed bolster.

The technical scheme is as follows: in order to achieve the above object, the utility model discloses a gearbox shock attenuation fixed bolster, include:

a fixing plate connected to a first member;

the pin shaft is fixedly connected with the fixing plate;

the buffer assembly at least comprises an elastic piece, and the elastic piece is connected with the pin shaft;

a bracket assembly connected to the second member, the bracket assembly being disposed around a circle of the damping assembly.

Further, the buffer assembly comprises an inner sleeve, an elastic member and an outer sleeve; the elastic member is arranged in the outer sleeve, the inner sleeve is arranged in the elastic member, and the inner sleeve, the elastic member and the outer sleeve are coaxially arranged.

Furthermore, two ends of the elastic part are respectively provided with a first flanging, two ends of the outer sleeve are respectively provided with a second flanging, and after the outer sleeve is connected with the elastic part, the first flanging is attached to the second flanging.

Furthermore, a plurality of damping holes are distributed on the axial end face of the elastic piece in an array mode.

Further, the bracket assembly includes a bracket body connected to the second member and a gland; the gland is connected with the bracket body in a matching way so as to be fixed with the buffer component.

Furthermore, the end face of the bracket body is provided with a positioning protrusion and a connecting hole.

Further, the bracket body is provided with a first concave portion and a second concave portion which are semicircular, the diameter of the first concave portion is larger than that of the second concave portion, and the axial length of the second concave portion is equal to that of the gland.

Further, still include the axle sleeve, the axle sleeve is established with the coaxial cover of round pin axle to distribute between fixed plate and endotheca.

Further, still include gasket and locking screw, locking screw spiro union is in the tip of round pin axle, locking screw and gasket will buffering subassembly axial fixity.

Further, the elastic member is made of rubber.

The utility model discloses a gearbox shock attenuation fixed bolster has following technological effect at least: (1) In the device, the fixed plate is connected with the gearbox, the bracket assembly is connected with the machine body, and the elastic element is contained in the buffer assembly and can absorb shock, so that the shock amplitude transmitted to the gearbox by the loader is reduced, and the negative effect of the shock on the gearbox is reduced; (2) The device can not only be applied to a loader, but also be used for installing the fixing bracket between any two components needing damping.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

FIG. 3 is a schematic view of the structure of the present invention connected to the first member and the second member;

FIG. 4 is a sectional view of the structure of the present invention;

fig. 5 is a schematic structural view of the bracket body according to the present invention;

fig. 6 is a schematic structural view of the elastic member of the present invention;

in the figure, 1, a fixing plate; 2. a first member; 3. a pin shaft; 4. an inner sleeve; 5. a buffer assembly; 6. an elastic member; 7. a bracket assembly; 8. a second member; 9. a jacket; 10. a first flanging; 11. second flanging; 12. A shock absorbing hole; 13. a bracket body; 14. a gland; 15. positioning a projection; 16. connecting holes; 17. a first recess; 18. a second recess; 19. a shaft sleeve; 20. a gasket; 21. and locking the screw.

Detailed Description

The principles and features of the present invention will be described with reference to fig. 1 to 6, which are provided for illustration only and are not intended to limit the scope of the present invention.

A gearbox shock attenuation fixed bolster includes fixed plate 1, round pin axle 3, buffering subassembly 5, bracket assembly 7 and axle sleeve 19. The buffer component 5 comprises an inner sleeve 4, an elastic member 6 and an outer sleeve 9; the bracket assembly 7 includes a bracket body 13 and a gland 14.

The fixed plate 1 is fixedly connected to a first member 2, in this embodiment, the first member 2 is a transmission case; the bracket assembly 7 is fixedly connected to a second member 8, in this embodiment, the second member 8 is a body of the loader. The pin shaft 3 is fixedly connected to the fixing plate 1, the pin shaft 3 is sequentially connected with the shaft sleeve 19 and the inner sleeve 4, and the pin shaft 3 is coaxially sleeved and connected with the inner sleeve 4 and the shaft sleeve 19 respectively. The shaft sleeve 19 is disposed between the inner sleeve 4 and the fixing plate 1, and the shaft sleeve 19 is used for axially positioning the inner sleeve 4. The elastic member 6 is made of rubber, and the elastic member 6 is arranged around the inner sleeve 4 for one circle. A locking screw 21 is screwed on the end surface of the pin shaft 3 and a gasket 20 is connected, and the locking screw 21 and the gasket 20 press the elastic member 6 to the end surface side of the shaft sleeve 19, so that the elastic member 6 is axially fixed. The outer sleeve 9 is wrapped on the outer side of the elastic element 6, namely, the outer sleeve 9 and the elastic element 6 are coaxially sleeved and fixed. The outer sleeve 9 and the elastic piece 6 are substantially cylindrical, first flanges 10 are arranged at two axial ends of the elastic piece 6, and second flanges 11 are arranged at two axial ends of the outer sleeve 9. When the elastic member 6 is connected with the outer sleeve 9, the first flange 10 and the second flange 11 are attached to each other so that the elastic member 6 and the outer sleeve 9 are axially fixed. In order to improve the damping effect of the elastic element 6, a plurality of damping holes 12 are distributed in an array manner on the end face side of the elastic element 6. The bracket body 13 and the gland 14 are mutually connected in a matching way and cover and fix the buffer assembly 5. The carrier body 13 is provided with a first recess 17 and a second recess 18 in a semicircular shape, the first recess 17 having a diameter larger than that of the second recess 18, and the second recess 18 having an axial length equal to that of the gland 14. The first flanges 10 abut against the end faces of the second recesses 18, respectively, and thereby axially fix the cushion member 5 and the bracket member 7. The bracket body 13 is provided with a positioning protrusion 15 and a connecting hole 16, wherein the positioning protrusion 15 is used for positioning the bracket assembly 7 and the second member 8, and the connecting hole 16 is used for fixing the bracket assembly 7 and the second member 8.

The "axial direction" in the above description refers to the axial direction of the pin shaft 3.

In the device, the elastic part 6 is a core part, can absorb shock and has a strong shock absorption effect.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A gearbox shock attenuation fixed bolster which characterized in that includes:

a fixing plate (1), the fixing plate (1) being connected to a first member (2);

the pin shaft (3), the said pin shaft (3) is fixedly connected with said dead plate (1);

the buffer assembly (5) at least comprises an elastic piece (6), and the elastic piece (6) is connected with the pin shaft (3);

a bracket assembly (7), the bracket assembly (7) being connected to the second member (8), the bracket assembly (7) being disposed around a turn of the damping assembly (5).

2. The transmission case shock absorbing fixing bracket according to claim 1, wherein: the buffer component (5) comprises an inner sleeve (4), an elastic piece (6) and an outer sleeve (9); the elastic piece (6) is arranged in the outer sleeve (9), the inner sleeve (4) is arranged in the elastic piece (6), and the inner sleeve (4), the elastic piece (6) and the outer sleeve (9) are coaxially arranged.

3. The transmission case damper fixing bracket of claim 2, wherein: the elastic piece is characterized in that first flanging (10) are respectively arranged at two ends of the elastic piece (6), second flanging (11) are respectively arranged at two ends of the outer sleeve (9), and after the outer sleeve (9) is connected with the elastic piece (6), the first flanging (10) is attached to the second flanging (11).

4. The transmission case shock absorbing fixing bracket according to claim 1, wherein: a plurality of shock absorption holes (12) are distributed on the axial end face of the elastic piece (6) in an array mode.

5. The transmission case damper fixing bracket of claim 1, wherein: the bracket assembly (7) comprising a bracket body (13) and a gland (14), the bracket body (13) being connected to the second member (8); the gland (14) is connected with the bracket body (13) in a matching way so as to be fixed with the buffer component (5).

6. The transmission case damper fixing bracket of claim 5, wherein: the end face of the bracket body (13) is provided with a positioning bulge (15) and a connecting hole (16).

7. The transmission case damper fixing bracket of claim 5, wherein: the bracket body (13) is provided with a first concave portion (17) and a second concave portion (18) which are semicircular, the diameter of the first concave portion (17) is larger than that of the second concave portion (18), and the axial length of the second concave portion (18) is equal to that of the gland (14).

8. The transmission case damper fixing bracket of claim 1, wherein: the novel fixing plate is characterized by further comprising a shaft sleeve (19), wherein the shaft sleeve (19) is coaxially sleeved with the pin shaft (3) and distributed between the fixing plate (1) and the inner sleeve (4).

9. The transmission case shock absorbing fixing bracket according to claim 1, wherein: the buffer component is characterized by further comprising a gasket (20) and a locking screw (21), wherein the locking screw (21) is in threaded connection with the end portion of the pin shaft (3), and the locking screw (21) and the gasket (20) are used for axially fixing the buffer component (5).

10. The transmission case shock absorbing fixing bracket according to claim 1, wherein: the elastic piece (6) is made of rubber.