CN219510063U - Device for eliminating gap between dampers - Google Patents

Abstract

The utility model discloses a device for eliminating a gap of a damper, which belongs to the technical field of dampers and comprises a damper body, two gapless rod end joint bearings, two lug plate bodies and two node plates, wherein the two gapless rod end joint bearings are respectively inserted into holes at two ends of the damper body, and the two gapless rod end joint bearings are respectively inserted into the two lug plate bodies and are rotationally connected with the two lug plate bodies. According to the utility model, the pin shaft and the knuckle bearing are customized to form a whole through arranging the gap-free rod end knuckle shaft, then the hinge shaft and the knuckle bearing are assembled into the hole at the end head of the damper body in a passing way, the gap between the pin shaft and the knuckle bearing is eliminated, the lug plate body is respectively arranged into a gap-free bearing locking top plate and a gap-free connecting node, the diameter of the inner round hole is smaller than that of the pin shaft, and the gap-free bearing locking top plate and the gap-free connecting node are combined by using the locking bolt, so that the gap can be eliminated, the manufacturing process is simple, and the gap eliminating effect is good.

Description

Device for eliminating gap between dampers

Technical Field

The utility model relates to the technical field of dampers, in particular to a device for eliminating a damper gap.

Background

The damper is a device for providing resistance to movement and consuming movement energy, various dampers (or shock absorbers) are already applied to the industries of aerospace, aviation, military industry, firearms, automobiles and the like for damping and dissipating energy, and the pin shaft connection used by the traditional shock absorption damper passes through the joint bearing of the damper and the lug plate on the embedded part through the pin shaft, so that normal assembly gaps exist between the pin shaft and the holes of the joint bearing and the lug plate, and the damper is difficult to play in the range of the gaps.

In a spherical hinge seat (patent number: CN 212896928U) for eliminating a damper connecting gap, the device comprises a hinge seat adjusting ring, a hinge seat spacer bush, a hinge seat mandrel and an angular contact thrust joint bearing which are sequentially arranged on a hinge seat body, wherein the angular contact thrust joint bearing comprises a joint bearing outer ring and a joint bearing inner ring on the inner side of the joint bearing outer ring, the joint bearing outer ring is fixed in the hinge seat body, two opposite ends of a shaft shoulder of the hinge seat mandrel are respectively provided with one angular contact thrust joint bearing, the spherical centers of the two angular contact thrust joint bearings are overlapped, and a nut is connected to the left end of the hinge seat mandrel. Accordingly, one skilled in the art would provide a damper clearance fit eliminating device that addresses the problems set forth in the background above.

Disclosure of Invention

The present utility model is directed to a damper clearance elimination device to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the device for eliminating the gap of the damper comprises a damper body, two gapless rod end joint bearings, two lug plate bodies and two node plates, wherein the two gapless rod end joint bearings are respectively inserted into holes at two ends of the damper body, the two gapless rod end joint bearings are respectively inserted into the two lug plate bodies and are rotationally connected with the two lug plate bodies, and the two node plates are respectively and symmetrically fixed at one far end of the two lug plate bodies.

As still further aspects of the utility model: the gap-free rod end joint bearing comprises a joint bearing and pin shafts, wherein the pin shafts at two ends of the joint bearing are of an integrated structure with the joint bearing.

As still further aspects of the utility model: the gap-free rod end joint bearing is pressed into a hole at the end head of the damper body in an interference fit mode.

As still further aspects of the utility model: the lug plate body comprises a gapless bearing locking top plate and a gapless connecting node, the gapless bearing locking top plate and the gapless connecting node are fixedly connected through four locking bolts, a round hole is formed by surrounding one opposite side of the gapless bearing locking top plate and the gapless connecting node, and the pin shaft is inserted into the round hole.

As still further aspects of the utility model: the diameter length of the round hole is smaller than that of the pin shaft.

As still further aspects of the utility model: wherein, the gapless rod end joint bearing and the lug plate body are both made of composite stainless steel members.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the damper gap elimination connecting device, the pin shaft and the knuckle bearing are customized to form a whole through the arrangement of the gap elimination rod end knuckle shaft, and then the gap between the pin shaft and the knuckle bearing is eliminated by being excessively assembled into the hole at the end head of the damper body.

2. According to the damper clearance elimination connecting device, the lug plate body is respectively arranged to be the two parts of the gapless bearing locking top plate and the gapless connecting node, the diameter of the round hole in the lug plate body is smaller than that of the pin shaft, the gapless bearing locking top plate and the gapless connecting node are combined together by the locking bolt, so that the gap elimination connecting device is equivalent to a large rod through a small hole, interference fit is formed, the damper body clearance elimination effect is good, the effect of the damper body is improved, and meanwhile, the damper body can work under micro vibration.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic cross-sectional elevation view of the damper body and ear plate of the present utility model;

FIG. 3 is a schematic top view of the damper body and ear plate of the present utility model;

FIG. 4 is a schematic top view of the damper body and the zero clearance rod end joint bearing of the present utility model;

FIG. 5 is a schematic illustration of a zero clearance rod end knuckle bearing.

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. a damper body; 2. a gap-free rod end joint bearing; 21. a knuckle bearing; 22. a pin shaft; 3. an ear plate body; 31. locking the top plate by a gapless bearing; 32. a gapless connection node; 4. a locking bolt; 5. and (5) a node plate.

Detailed Description

Referring to fig. 1-4, in the embodiment, the damper gap eliminating connection device includes a damper body 1, two gapless rod end joint bearings 2, two ear plate bodies 3 and two node plates 5, wherein the two gapless rod end joint bearings 2 are respectively inserted into holes at two ends of the damper body 1, the two gapless rod end joint bearings 2 are respectively inserted into the two ear plate bodies 3 and are rotationally connected with the two ear plate bodies 3, the two node plates 5 are respectively and diagonally symmetrically fixed at one ends far from the two ear plate bodies 3, the damper body 1 can start working under micro deformation through such assembly, and the focus of the device is that the damper body 1 in the middle can be viscous, viscoelastic, friction, buckling restrained brace and the like.

As shown in fig. 4: the gap-free rod end joint bearing 2 comprises a joint bearing 21 and a pin shaft 22, the pin shaft 22 and the joint bearing 21 are customized to form a whole, and then the whole is assembled into a hole at the end head of the damper body 1, so that the gap between the pin shaft 22 and the joint bearing 21 is eliminated.

As shown in fig. 4: the gap-free rod end joint bearing 2 is pressed into the hole at the end of the damper body 1 in an interference fit mode, so that no gap is formed in connection, and the gap-free rod end joint bearing is identical to the conventional mode that a joint bearing piece is pressed into the hole at the end of the damper body 1.

As shown in fig. 2 and 3: the ear plate body 3 comprises a gapless bearing locking top plate 31 and a gapless connecting node 32, the gapless bearing locking top plate 31 and the gapless connecting node 32 are fixedly connected through four locking bolts 4, opposite sides of the gapless bearing locking top plate 31 and the gapless connecting node 32 are encircled to form a round hole, the pin shaft 22 is inserted into the round hole, the conventional ear plate body 3 is a whole plate, and one pin shaft hole is formed in the middle, so that the gap is needed to be formed when the conventional pin shaft 22 enters the hole, and therefore, only the damper body 1 is not in a gap, and the two halves of the ear plate body 3 are needed to be respectively arranged, the diameter of the round hole in the middle is smaller than that of the pin shaft 22, and the gapless bearing locking top plate 31 and the gapless connecting node 32 are combined through the locking bolts 4, so that the gap is equivalent to a large rod penetrating hole, and no gap is formed.

As shown in fig. 1 and 4: the diameter of the round hole is smaller than the diameter of the pin 22, which is equivalent to the penetration of a large rod into a small hole, and no gap is generated.

As shown in fig. 1: the gap-free rod end joint bearing 2 and the lug plate body 3 are made of composite stainless steel materials, and are corrosion-resistant and long in service life.

Working principle: in the device, the pin shaft 22 and the knuckle bearing 21 are customized to form a whole, and then are assembled into the hole at the end head of the damper body 1, so that the gap between the pin shaft 22 and the knuckle bearing 21 is eliminated; secondly, the conventional ear plate body 3 is a whole plate, a pin shaft hole is formed in the ear plate body, so that a gap is formed when the conventional pin shaft 22 needs to enter the hole, and therefore, only the damper body 1 is not in gap or is not in operation, the ear plate body 3 needs to be respectively in two halves, the diameter of the inner round hole is smaller than that of the pin shaft 22, the gapless bearing locking top plate 31 and the gapless connecting node 32 are combined together by using the locking bolt 4, so that the gap is equivalent to a large rod penetrating hole, interference fit is formed, the assembly gap does not exist at the connecting point part through the assembly, the damper body 1 can start to work under micro deformation, the structure is simple, the manufacturing process is simple, the universality is strong, the effect of eliminating the gap of the damper body is good, and the effect of the damper body is improved.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. Eliminate attenuator clearance connecting device, including attenuator body (1), two zero clearance rod end joint bearing (2), two otic placode bodies (3) and two gusset plates (5), its characterized in that, two zero clearance rod end joint bearing (2) insert respectively and locate in the hole of two ends of attenuator body (1), and two zero clearance rod end joint bearing (2) insert respectively locate in two otic placode bodies (3) and rotate rather than being connected, two gusset plates (5) are fixed in the one end that two otic placode bodies (3) are far away with diagonal symmetry respectively.

2. The damper clearance elimination connection device according to claim 1, wherein the clearance-free rod end joint bearing (2) comprises a joint bearing (21) and a pin shaft (22), and the pin shafts (22) at two ends of the joint bearing (21) are integrally formed with the joint bearing (21).

3. The damper clearance elimination connection arrangement according to claim 1, characterized in that the gap-free rod end joint bearing (2) is pressed into the hole of the end of the damper body (1) by means of an interference fit.

4. The damper clearance elimination connection device according to claim 2, characterized in that the ear plate body (3) comprises a clearance-free bearing locking top plate (31) and a clearance-free connection node (32), the clearance-free bearing locking top plate (31) and the clearance-free connection node (32) are fixedly connected through four locking bolts (4), opposite sides of the clearance-free bearing locking top plate (31) and the clearance-free connection node (32) are surrounded into a round hole, and the pin shaft (22) is inserted into the round hole.

5. The damper clearance elimination connection arrangement of claim 4, wherein a diametrical length of the circular bore is less than a diametrical length of the pin (22).

6. The damper clearance elimination connection arrangement of claim 1, wherein the zero clearance rod end joint bearing (2) and the ear plate body (3) are both composite stainless steel members.