CN213451602U

CN213451602U - V-shaped groove vibration reduction structure

Info

Publication number: CN213451602U
Application number: CN202021683327.0U
Authority: CN
Inventors: 王林; 罗刚
Original assignee: Lonking Shanghai Road Construction Machinery Co ltd
Current assignee: Lonking Shanghai Road Construction Machinery Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-06-15
Anticipated expiration: 2030-08-13

Abstract

The utility model provides a V-shaped groove vibration damping structure, which comprises an installation base support, a gearbox bracket, a plurality of first vibration damping rubber pads and a vibration damping locking component; the mounting base support comprises a first bottom plane and two first folding surfaces; the gearbox bracket comprises a second bottom plane and two second folding planes; the gearbox support is arranged above the mounting base support, the second bottom plane is parallel to the first bottom plane, and the two second folding surfaces are respectively parallel to the corresponding first folding surfaces; first cushion rubber pad sets up between installation base support and gearbox support, and installation base support and gearbox support pass through the tight first cushion rubber pad of shock attenuation locking Assembly connection and clamp tightly. The V-shaped groove vibration damping structure of the utility model can prevent the front and back movement of the gearbox and achieve good vibration damping effect; the overall machine failure caused by vibration can be reduced by improving the vibration of the gearbox.

Description

V-shaped groove vibration reduction structure

Technical Field

The utility model relates to a loader gearbox shock absorber structure field especially relates to a V-arrangement groove damping structure.

Background

At present, a loader adopts a V-shaped rubber cushion structure or a plane rubber cushion structure for preventing the front and back movement of a gearbox, the scheme has poor damping effect, people obviously feel trembling and numb feeling when sitting in a cab, and an oil tank obviously trembles.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a V-shaped groove vibration damping structure which can prevent the front and back movement of the gearbox and achieve good vibration damping effect; the overall machine failure caused by vibration can be reduced by improving the vibration of the gearbox.

In order to achieve the purpose, the utility model provides a V-shaped groove vibration damping structure, which comprises an installation base support, a gearbox bracket, a plurality of first vibration damping rubber pads and a vibration damping locking component; the mounting base support comprises a first bottom plane and two first folding surfaces, and two sides of the first bottom plane are bent upwards by a fixed angle to form the first folding surfaces; the gearbox support comprises a second bottom plane and two second folding surfaces, and two sides of the second bottom plane are bent upwards by the fixed angle to form the second bottom plane; the gearbox support is arranged above the mounting base support, the second bottom plane is parallel to the first bottom plane, and the two second folding surfaces are respectively parallel to the corresponding first folding surface; the first shock-absorbing rubber pad is arranged between the mounting base support and the gearbox support, and the mounting base support and the gearbox support are connected through the shock-absorbing locking assembly and tightly clamp the first shock-absorbing rubber pad.

Preferably, the first shock-absorbing rubber pads are arranged on the first folding face of the mounting base support, the first folding face of the mounting base support is provided with a first round hole, and the first shock-absorbing rubber pads are provided with a first embedded end matched with the first round hole and are embedded into the first round hole through the first embedded end part.

Preferably, the first bottom plane of the mounting base support forms a kidney-shaped hole, the second bottom plane of the transmission case support forms a second round hole, and the shock absorption locking component is connected with the mounting base support and the transmission case support through the second round hole and the kidney-shaped hole.

Preferably, the shock-absorbing locking assembly comprises a pipe body, a fixing bolt, a self-locking nut and a second shock-absorbing rubber pad; a second embedded end is formed at the bottom of the second shock-absorbing rubber pad and is embedded into the second round hole through the second embedded end; a connecting channel penetrating through the top surface of the second shock absorbing rubber pad and the second embedded end is formed in the middle of the second shock absorbing rubber pad; the pipe body part is embedded in the connecting channel and extends into the space between the mounting base support and the gearbox bracket; the fixing bolt penetrates through the pipe body from the top of the pipe body and extends out of the mounting base support through the waist-shaped hole; the self-locking nut is screwed on the part of the fixing bolt extending out of the mounting base support and locks the mounting base support and the gearbox support.

Preferably, the fixing bolt further comprises a first flat gasket, wherein the first flat gasket is arranged on the upper surface of the second damping rubber pad and limits an end cap of the fixing bolt.

Preferably, the fixing bolt is sleeved with a second flat gasket, the second flat gasket is sleeved outside the fixing bolt and arranged between the pipe body and the first bottom plane, and the second flat gasket limits the pipe body.

Preferably, the self-locking bolt further comprises a third flat washer, the third flat washer is sleeved outside the fixing bolt and arranged between the first bottom plane and the self-locking nut, and the third flat washer limits the self-locking nut.

Preferably, the pipe body is a steel pipe.

The utility model discloses owing to adopted above technical scheme, make it have following beneficial effect:

through the matching of the mounting base support, the gearbox support, the first damping rubber pad and the damping locking assembly, the utility model provides a V-shaped groove damping structure which can prevent the front and back movement of the gearbox and can achieve good damping effect; the vibration of the gearbox is improved, so that the overall machine fault caused by vibration can be reduced; the phenomenon of cracking of an oil tank and a cab can be reduced, and the operation comfort is improved; the damping device can be used for connecting and damping between a gear box and a frame of a loader and can also be used for damping and buffering between other two relatively vibrating objects.

Drawings

Fig. 1 is a schematic structural diagram of a V-groove vibration damping structure according to an embodiment of the present invention;

fig. 2 is an enlarged cross-sectional view of a mounting base support structure in accordance with an embodiment of the present invention;

fig. 3 is an enlarged top view of a mounting base support structure according to an embodiment of the present invention.

Detailed Description

The following description of the preferred embodiments of the present invention will be given with reference to the accompanying drawings 1 to 3, and will make the functions and features of the present invention better understood.

Referring to fig. 1 to 3, a V-groove damping structure according to an embodiment of the present invention includes an installation base support 1, a transmission bracket 2, a plurality of first damping rubber pads 3, and a damping locking assembly 4; the mounting base support 1 comprises a first bottom plane 11 and two first folding surfaces 12, and two sides of the first bottom plane 11 are bent upwards by a fixed angle to form the first folding surfaces 12; the gearbox bracket 2 comprises a second bottom plane 21 and two second folded surfaces 22, and two sides of the second bottom plane 21 are bent upwards for a fixed angle to form the second bottom plane 21; the gearbox bracket 2 is arranged above the mounting base support 1, the second bottom plane 21 is parallel to the first bottom plane 11, and the two second folding surfaces 22 are respectively parallel to a corresponding first folding surface 12; first cushion rubber pad 3 sets up and supports 1 and gearbox support 2 between the installation base, and the installation base supports 1 and gearbox support 2 and passes through the tight first cushion rubber pad 3 of shock attenuation locking Assembly 4 connection and clamp tightly.

In this embodiment, two first cushion rubber pads 3 are included, two first folding surfaces 12 of the mounting base support 1 are respectively formed with a first circular hole 14, and the first cushion rubber pads 3 are formed with a first embedding end matched with the first circular hole 14 and embedded into the first circular hole 14 through the first embedding end.

The first bottom plane 11 of the mounting base support 1 forms a kidney-shaped hole 13, the second bottom plane 21 of the gearbox support 2 forms a second round hole 23, and the shock absorption locking component 4 is connected with the mounting base support 1 and the gearbox support 2 through the second round hole 23 and the kidney-shaped hole 13.

The shock-absorbing locking assembly 4 comprises a tube body 41, a fixing bolt 42, a self-locking nut 43 and a second shock-absorbing rubber pad 44; the bottom of the second cushion rubber pad 44 forms a second embedded end and is embedded into the second round hole 23 through the second embedded end; a connecting channel penetrating the top surface and the second embedded end of the second cushion rubber pad 44 is formed in the middle of the second cushion rubber pad 44; the pipe body 41 is partially embedded in the connecting channel and extends into the space between the mounting base support 1 and the gearbox bracket 2; the fixing bolt 42 penetrates through the tube body 41 from the top of the tube body 41 and extends out of the mounting base support 1 through the kidney-shaped hole 13; the self-locking nut 43 is screwed on the part of the fixing bolt 42 extending out of the mounting base support 1 and locks the mounting base support 1 and the gearbox bracket 2.

And the first flat gasket 5 is arranged on the upper surface of the second shock-absorbing rubber pad 44, and limits one end cap of the fixing bolt 42.

The pipe body 41 is limited by the second flat gasket 6, the second flat gasket 6 is sleeved outside the fixing bolt 42 and is arranged between the pipe body 41 and the first bottom plane 11.

The fixing bolt is characterized by further comprising a third flat washer 7, the third flat washer 7 is sleeved outside the fixing bolt 42 and arranged between the first bottom plane 11 and the self-locking nut 43, and the third flat washer 7 limits the self-locking nut 43.

The pipe body 41 is a steel pipe.

The utility model discloses V-arrangement groove damping structure for drunkenness problem can reach the damping effect again around solving the gearbox. First rubber cushion 3 is the stair structure, inlays the steel sheet on the step face. The first embedded end of the small end of the first cushion rubber pad 3 is inserted into the first circular hole 14.

In order to solve the technical problem, the embodiment of the utility model provides a V-arrangement groove damping structure: the mounting base support 1 is of a V-shaped groove structure, two side faces are provided with first round holes 14 for mounting the shock absorber, and the first bottom plane 11 is provided with a kidney-shaped hole for the fixing bolt 42 to pass through. The first circular holes 14 at two sides of the mounting base support 1 are nested with the first shock-absorbing rubber pads 3 in the shape of circular steps. The shape of the gearbox bracket 2 is a V-shaped groove structure similar to the shape of the mounting base support 1. Two side surfaces of the gearbox bracket 2 are just placed above the first shock-absorbing rubber pad 3 in the shape of a circular step. A second round hole 23 is formed in the second bottom plane 21 of the gearbox support 2, and a circular step-shaped second shock-absorbing rubber pad 44 is nested in the second round hole 23. A steel pipe is nested in the middle of the second shock-absorbing rubber pad 44, a second flat gasket 6 is arranged below the steel pipe and placed above the waist-shaped hole of the mounting base support 1, and a first flat gasket 5 is arranged above the second shock-absorbing rubber pad 44 nested on the gearbox support 2. A fixing bolt 42 penetrates through the steel pipe, and the fixing bolt 42 is locked by a self-locking nut 43 and a third flat washer 7.

The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.

Claims

1. A V-shaped groove vibration damping structure is characterized by comprising an installation base support, a gearbox support, a plurality of first vibration damping rubber pads and a vibration damping locking assembly; the mounting base support comprises a first bottom plane and two first folding surfaces, and two sides of the first bottom plane are bent upwards by a fixed angle to form the first folding surfaces; the gearbox support comprises a second bottom plane and two second folding surfaces, and two sides of the second bottom plane are bent upwards by the fixed angle to form the second bottom plane; the gearbox support is arranged above the mounting base support, the second bottom plane is parallel to the first bottom plane, and the two second folding surfaces are respectively parallel to the corresponding first folding surface; the first shock-absorbing rubber pad is arranged between the mounting base support and the gearbox support, and the mounting base support and the gearbox support are connected through the shock-absorbing locking assembly and tightly clamp the first shock-absorbing rubber pad.

2. The V-groove vibration damping structure according to claim 1, comprising two first vibration damping rubber pads, wherein two first folding surfaces of the mounting base support are respectively formed with a first round hole, and the first vibration damping rubber pads are formed with a first embedded end portion engaged with the first round hole and embedded in the first round holes through the first embedded end portions.

3. The V-groove vibration damping structure according to claim 2, wherein said first bottom plane of said mounting base support forms a kidney-shaped hole, said second bottom plane of said transmission case bracket forms a second circular hole, and said damper lock assembly connects said mounting base support and said transmission case bracket through said second circular hole and said kidney-shaped hole.

4. The V-groove vibration damping structure according to claim 3, wherein the vibration damping locking assembly comprises a pipe body, a fixing bolt, a self-locking nut and a second vibration damping rubber pad; a second embedded end is formed at the bottom of the second shock-absorbing rubber pad and is embedded into the second round hole through the second embedded end; a connecting channel penetrating through the top surface of the second shock absorbing rubber pad and the second embedded end is formed in the middle of the second shock absorbing rubber pad; the pipe body part is embedded in the connecting channel and extends into the space between the mounting base support and the gearbox bracket; the fixing bolt penetrates through the pipe body from the top of the pipe body and extends out of the mounting base support through the waist-shaped hole; the self-locking nut is screwed on the part of the fixing bolt extending out of the mounting base support and locks the mounting base support and the gearbox support.

5. The V-groove vibration damping structure according to claim 4, further comprising a first flat washer disposed on an upper surface of the second damping rubber pad and restraining an end cap of the fixing bolt.

6. The V-groove vibration damping structure according to claim 5, further comprising a second flat washer, wherein the second flat washer is sleeved outside the fixing bolt and is arranged between the tube body and the first bottom plane, and the second flat washer limits the tube body.

7. The V-groove vibration damping structure according to claim 6, further comprising a third flat washer sleeved outside the fixing bolt and disposed between the first bottom plane and the self-locking nut, wherein the third flat washer limits the self-locking nut.

8. The V-groove vibration damping structure according to claim 7, wherein the tube body is a steel tube.