CN223270494U - An air spring vibration isolator with adjustable stiffness - Google Patents

Abstract

The utility model discloses an air spring vibration isolator with adjustable rigidity, which relates to the technical field of vibration isolators and comprises an upper mounting plate, wherein an air bag damper, a lower mounting plate and a vibration reduction spring are arranged on the upper mounting plate, an adjusting rod is arranged in the vibration reduction spring, an adjusting nut is further arranged below the adjusting rod and below the lower mounting plate through threaded connection, a base and a bottom plate are arranged at the bottom of the lower mounting plate through a fixed block, and a moving block is arranged on the bottom plate through a support plate and a sliding rod. According to the utility model, under the action of the adjusting rod and the adjusting nut, the flexible adjustment of the rigidity of the vibration isolator is realized, so that the air spring vibration isolator can meet different working conditions and vibration requirements, the rigidity of the vibration isolator is easily adjusted, the optimal vibration reduction effect is achieved, the vibration isolator can meet the vibration isolation requirements under various complex working conditions, and the air spring vibration isolator can be better assembled and disassembled by being matched with the moving block, the base and the clamping groove.

Description

Air spring vibration isolator with adjustable rigidity

Technical Field

The utility model relates to the technical field of vibration isolators, in particular to an air spring vibration isolator with adjustable rigidity.

Background

With the rapid development of modern industrial technology, the requirements on stability and durability of equipment are also increasing, and in many industrial applications, such as precision machinery, electronic equipment, vehicles, etc., vibration isolators are required to reduce or eliminate damage caused by external vibration, and air spring vibration isolators are receiving a great deal of attention due to their excellent vibration isolating performance and adjustability. The air spring vibration isolator utilizes the compressibility of gas to absorb and reduce vibration energy, and has the advantages of good damping effect, strong adaptability and the like.

In the prior art, most air spring vibration isolators cannot adjust the rigidity of the air spring vibration isolators, so that the applicability of the air spring vibration isolators is reduced, meanwhile, the air spring vibration isolators cannot be disassembled after being installed, the air spring vibration isolators are not beneficial to overhauling the air spring vibration isolators, and the service efficiency of the air spring vibration isolators is reduced.

Disclosure of utility model

The utility model aims to provide an air spring vibration isolator with adjustable rigidity, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides an air spring isolator of adjustable rigidity, includes the mounting panel, it is provided with the gasbag attenuator to go up the mounting panel bottom, gasbag attenuator bottom is provided with down the mounting panel, go up and still evenly be provided with a plurality of damping springs between mounting panel and the lower mounting panel, go up mounting panel, damping spring, gasbag attenuator and mounting panel down, constitute air spring isolator main part, damping spring inside still is provided with the regulation pole, and the regulation pole below is located mounting panel below still through threaded connection and is provided with adjusting nut down, it still is provided with the mounting bracket to go up the mounting panel top, mounting panel bottom cover is provided with the base through the fixed block down, the base bottom is provided with the bottom plate, the bottom plate top still evenly is provided with a plurality of extension boards, runs through on the extension board and is provided with the through-hole, sets up the slide bar through sliding connection in the through-hole, is provided with the movable block on the slide bar, evenly be provided with a plurality of draw-in grooves that cooperate with the movable block on the base lateral wall.

As a further scheme of the utility model, a plurality of cavities are uniformly arranged in the bottom plate, a sliding plate is arranged in the cavities in a sliding way, a plug rod is arranged at the top of the sliding plate, and a jack matched with the plug rod for use is arranged on the moving block.

As a still further scheme of the utility model, a first reset spring is sleeved outside the sliding rod, one end of the first reset spring is connected with the support plate, and the other end of the first reset spring is connected with the moving block.

As a still further proposal of the utility model, a telescopic rod is also arranged in the cavity, and the tail end of a telescopic arm at the top of the telescopic rod is connected with the slide plate.

As a still further scheme of the utility model, a second reset spring is sleeved outside the telescopic rod, one end of the second reset spring is connected with the sliding plate, and the other end of the second reset spring is connected with the inner wall of the cavity.

As a still further proposal of the utility model, the sliding plate is provided with a handle.

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

1. Under the action of the adjusting rod and the adjusting nut, the rigidity of the vibration isolator is flexibly adjusted, so that the air spring vibration isolator can meet different working conditions and vibration requirements, the rigidity of the vibration isolator is easily adjusted, the optimal vibration reduction effect is achieved, the practicability and the application range of the vibration isolator are improved, the vibration isolator can meet the vibration isolation requirements under various complex working conditions, and the air spring vibration isolator can be better installed by being matched with a moving block, a base and a clamping groove;

2. Under the effect of slide, inserted bar and telescopic link, further strengthened the steadiness of installation, prevented to lead to becoming flexible or shifting because of the vibration, ensured that the isolator can keep stable damping performance in long-time use, improved entire system's stability and reliability.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of the interior of the base according to an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram at a in an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram at B in an embodiment of the present utility model.

The reference numerals are annotated as 1, an upper mounting plate, 2, a lower mounting plate, 3, an air bag damper, 4, a mounting frame, 5, an adjusting rod, 6, a damping spring, 7, an adjusting nut, 8, a fixed block, 9, a base, 10, a bottom plate, 11, a support plate, 12, a sliding rod, 13, a first return spring, 14, a moving block, 15, a sliding plate, 16, a plug rod, 17, a telescopic rod, 18, a second return spring and 19, a handle.

Detailed Description

The present utility model will be described in detail below with reference to the drawings, in which like or identical parts are given the same reference numerals, and in which the shape, thickness or height of each component may be enlarged or reduced in practical use. The examples set forth herein are intended to be illustrative of the utility model and are not intended to limit the scope of the utility model. Any obvious modifications or alterations to the utility model, as would be apparent, are made without departing from the spirit and scope of the present utility model.

Examples

Referring to fig. 1 to 4, in the embodiment of the utility model, the stiffness-adjustable air spring vibration isolator comprises an upper mounting plate 1, an air bag damper 3 is arranged at the bottom of the upper mounting plate 1, a lower mounting plate 2 is arranged at the bottom of the air bag damper 3, a plurality of vibration reduction springs 6 are uniformly arranged between the upper mounting plate 1 and the lower mounting plate 2, the vibration reduction springs 6, the air bag damper 3 and the lower mounting plate 2 form an air spring vibration isolator main body under the action of the vibration reduction springs, the corresponding vibration reduction work of the damper can be further continued, an adjusting rod 5 is further arranged in the vibration reduction springs 6, an adjusting nut 7 is further arranged below the lower mounting plate 2 through threaded connection under the adjusting rod 5, the distance between the upper mounting plate 1 and the lower mounting plate 2 can be adjusted under the action of the adjusting nut 7, and the stiffness of the air spring vibration isolator can be further adjusted, and therefore the device can better meet the requirements of practical use.

The mounting bracket 4 still is provided with at the top of mounting panel 1, under the effect of mounting bracket 4, can make the device be connected with the equipment that needs the damping, and then guaranteed the installation quality of this air spring isolator, mounting panel 2 bottom is provided with base 9 through fixed block 8 down, base 9 bottom is provided with bottom plate 10, under the effect of bottom plate 10, can install this air spring isolator in suitable use position, thereby guaranteed the availability factor of this air spring isolator, bottom plate 10 top still evenly is provided with a plurality of extension boards 11, run through on the extension board 11 and be provided with the through-hole, set up slide bar 12 through sliding connection in the through-hole, be provided with movable block 14 on the slide bar 12, evenly be provided with a plurality of draw-in grooves that cooperate the use with movable block 14 on the base 9 lateral wall, under the effect of draw-in groove and movable block 14, can install fixedly to base 9, thereby guaranteed the installation quality of air spring isolator, 12 outside cover is equipped with first reset spring 13 this moment, first reset spring 13 one end is connected with extension board 11, the availability factor of this air spring isolator is guaranteed, the air spring 13 other end is connected with movable block 14, thereby guaranteeing that this air spring isolator has been used to install with the air spring isolator under the effect of first reset spring 13, thereby guaranteeing the availability factor of this air isolator.

The bottom plate 10 is inside still evenly to be provided with a plurality of cavitys, slide 15 in the cavity, slide 15 top is provided with inserted bar 16, be provided with the jack that uses with inserted bar 16 cooperation on the movable block 14, under the effect of inserted bar 16, can fix movable block 14 with, and then further guaranteed the quality of being connected of movable block 14 and base 9, thereby better install air spring isolator, still be provided with telescopic link 17 in the cavity, telescopic link 17 top telescopic arm end is connected with slide 15, under the effect of telescopic link 17, can drive slide 15 and reciprocate, the telescopic link 17 outside still overlaps and is equipped with second reset spring 18, second reset spring 18 one end is connected with slide 15, the second reset spring 18 other end is connected with the cavity inner wall, at this moment under the effect of second reset spring 18, the restriction of inserted bar 16 to movable block 14 has been guaranteed, be provided with handle 19 on the slide 15, can remove slide 15 under the effect of handle 19.

When the equipment to be damped is connected to the mounting frame 4, the whole air spring vibration isolator starts to play its role, and the damping springs 6 and the air damper 3 together constitute the main damping element of the vibration isolator. When the device is subjected to vibration impact, the vibration reduction spring 6 starts to deform to absorb and reduce vibration energy, the air bag damper 3 consumes the vibration energy through air flow in the air bag damper, vibration transmission is further reduced, and when the rigidity of the air spring vibration isolator needs to be adjusted, the adjusting nut 7 is rotated, so that the distance between the upper mounting plate 1 and the lower mounting plate 2 can be adjusted, and the distance between the upper mounting plate and the lower mounting plate is changed. The change of the distance can directly influence the compression degree of the vibration reduction spring 6 so as to change the rigidity of the vibration isolator, when the rigidity needs to be increased, the distance between the upper mounting plate 1 and the lower mounting plate 2 can be reduced, so that the vibration reduction spring 6 is in a tighter compression state, otherwise, when the rigidity needs to be reduced, the distance between the upper mounting plate 1 and the lower mounting plate 2 can be increased, so that the compression degree of the vibration reduction spring 6 is reduced, when the air spring vibration isolator needs to be disassembled, a worker drives the sliding plate 15 to move through the handle 19, so that the limit on the movable block 14 is relieved, and at the moment, the movable block 14 is released from the limit on the base 9 by pulling the movable block 14 outwards, so that the air spring vibration isolator is removed, and overhaul work is carried out on the air spring vibration isolator, so that the use efficiency of the air spring vibration isolator is ensured.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides an air spring isolator with adjustable rigidity, includes mounting panel (1), its characterized in that, mounting panel (1) bottom is provided with gasbag attenuator (3), and gasbag attenuator (3) bottom is provided with down mounting panel (2), still evenly be provided with a plurality of damping springs (6) between mounting panel (1) and lower mounting panel (2), mounting panel (1), damping spring (6), gasbag attenuator (3) and lower mounting panel (2), constitute air spring isolator main part, damping spring (6) inside still is provided with regulation pole (5), regulation pole (5) below is located down mounting panel (2) below still through threaded connection and is provided with adjusting nut (7), mounting panel (1) top still is provided with mounting bracket (4), down mounting panel (2) bottom cover is provided with base (9) through fixed block (8), base (9) bottom is provided with bottom plate (10), bottom plate (10) top still evenly is provided with a plurality of extension plates (11), runs through being provided with the through-hole on extension plate (11), through sliding connection sets up slide bar (12) in the through-hole, is provided with slider (14) on the slide bar (12), a plurality of clamping grooves matched with the moving blocks (14) are uniformly formed in the side wall of the base (9).

2. The stiffness-adjustable air spring vibration isolator according to claim 1, wherein a plurality of cavities are uniformly formed in the bottom plate (10), a sliding plate (15) is slidably arranged in each cavity, a plug rod (16) is arranged at the top of each sliding plate (15), and insertion holes matched with the plug rods (16) are formed in the moving blocks (14).

3. The stiffness-adjustable air spring vibration isolator according to claim 1, wherein a first return spring (13) is further sleeved on the outer side of the sliding rod (12), one end of the first return spring (13) is connected with the support plate (11), and the other end of the first return spring (13) is connected with the moving block (14).

4. The stiffness-adjustable air spring vibration isolator according to claim 2, wherein a telescopic rod (17) is further arranged in the cavity, and the tail end of a telescopic arm at the top of the telescopic rod (17) is connected with the sliding plate (15).

5. The stiffness-adjustable air spring vibration isolator according to claim 4, wherein a second return spring (18) is sleeved outside the telescopic rod (17), one end of the second return spring (18) is connected with the sliding plate (15), and the other end of the second return spring (18) is connected with the inner wall of the cavity.

6. Air spring vibration isolator with adjustable stiffness according to claim 2, characterized in that the slide plate (15) is provided with a handle (19).