CN217108001U - High-damping shock absorber - Google Patents

Abstract

The utility model discloses a high damping bumper shock absorber, including spring, damping mechanism, gland and base, be provided with spring and damping liquid container between gland and the base, be equipped with damping liquid in the damping liquid container, and have a piston device to set up in damping liquid to stretch out and hold in the gland in the damping liquid container top, damping liquid container, damping liquid and piston device constitute damping mechanism, gland and base connect through spacing bolt. The utility model relates to a high damping spring damper, through the viscosity that utilizes damping liquid, increase the damping coefficient of whole isolator, reduce vibration acceleration, the vibrating equipment is more stable, reduces rocking and unstability that ordinary spring brought, plays the high damping effect, improves vibration isolation efficiency.

Description

High-damping shock absorber

Technical Field

The utility model belongs to the technical field of the bumper shock absorber, in particular to high damping bumper shock absorber.

Background

In the conventional spring shock absorber in the market at present, a spring can bear certain weight, the larger the weight is, the higher the rigidity of the spring is, the harder the spring is, and the lower the shock absorption efficiency of the spring is.

The vibration isolation technique is mainly spring and damped, as patent application 201320065155.4 discloses a high damping half-wave amplitude limiting steel wire rope shock absorber, including first wire rope mounting panel and second wire rope mounting panel, first wire rope mounting panel is connected with first attenuator mounting panel through first adjusting plate, second wire rope mounting panel is connected with second attenuator mounting panel through the second adjusting plate, be provided with two upper damping plates on the first attenuator mounting panel, be provided with lower damping plate on the second attenuator mounting panel, lower damping plate is located between two upper damping plates, be provided with the slide down on the damping plate, the last mounting hole that is provided with of upper damping plate, amplitude limiting double-end screw passes mounting hole and slide and both ends and sets up upper damping plate and lower damping plate through belleville spring and nut.

Because the common spring is adopted, the natural frequency of the common spring is high, the problems of solid sound transmission and low vibration isolation efficiency can be caused, and after the spring shock absorber is installed on a plurality of devices at present, vibration and solid sound transmission can affect other areas, so that secondary vibration pollution is caused.

SUMMERY OF THE UTILITY MODEL

Based on this, consequently the utility model discloses a first order ground provides a high damping bumper shock absorber, and this high damping bumper shock absorber is through the viscosity that utilizes damping liquid, increases the damping coefficient of whole isolator, reduces vibration acceleration, and vibration equipment is more stable, reduces rocking and unstability that ordinary spring brought, plays high damping effect, improves vibration isolation efficiency, fills spring isolator high frequency short circuit phenomenon, rigidity transaudient problem and equipment problem of rocking.

Another object of the utility model is to provide a high damping bumper shock absorber, this high damping bumper shock absorber can solve the problem of air spring gas leakage unstability, reduces the equipment degree of freedom that conventional spring caused and increases the unstability problem.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the utility model provides a high damping bumper shock absorber, is including spring, damping mechanism, gland and base, be provided with spring and damping fluid container between gland and the base, be equipped with damping fluid in the damping fluid container, and have a piston device to set up in damping fluid to stretch out and hold in the gland in the damping fluid container top, damping fluid container, damping fluid and piston device constitute damping mechanism, gland and base are connected through spacing bolt, and spacing bolt can also limit the spring height, and the spring thrust reversal of avoiding uninstalling suddenly and bringing keeps the stability of bumper shock absorber. The utility model relates to a high damping spring damper, through the viscosity that utilizes damping liquid, increase the damping coefficient of whole isolator, reduce vibration acceleration, the vibrating equipment is more stable, reduces rocking and unstability that ordinary spring brought, plays the high damping effect, improves vibration isolation efficiency.

Furthermore, the damping liquid container is arranged in the middle of the base, and the springs are arranged on the periphery of the damping liquid container to form a stacked damping effect.

Further, the edge of gland is provided with fixing bolt, and fixing bolt is used for with the utility model discloses fix in equipment machine angle department, keep the stability of bumper shock absorber.

Further, the spring is composed of high-deflection high-quality spring steel to provide sufficient shock-absorbing performance.

Furthermore, the lower part of base still is provided with anti-skidding rubber, anti-skidding rubber comprises polychloroprene rubber, plays anti-skidding effect, can block solid-state sound transmission simultaneously, has noise cancelling effect.

The utility model has the advantages that:

1. the damping structure can effectively reduce the natural frequency of the shock absorber, improve the damping effect and the shock absorption efficiency of the shock absorber, fill the high-frequency short circuit phenomenon, the rigidity sound transmission problem and the equipment shaking problem of the spring and vibration isolator, and solve the air leakage instability problem of the air spring;

2. the vibration isolator is divided into an upper template and a lower template, the middle of the vibration isolator is provided with a piston rod and damping liquid to form a damping structure, and the vibration isolator can bear larger load and has less deformation. The vibration damper has lower natural frequency and high stability, and improves the damping efficiency of the conventional vibration damper.

3. Effectively reduce ordinary spring vibration isolation, let the unstability and the vibration that the equipment degree of freedom increases and cause strengthen the problem, cause secondary vibration pollution.

Drawings

Figure 1 is a side view of a high damping shock absorber embodying the present invention.

Fig. 2 is a top view of a high damping shock absorber embodying the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, for the high damping shock absorber of the present invention, it mainly comprises 8 major parts: the damping device comprises a gland 1, a spring 2, a fixing bolt 3, a limiting bolt 4, a base 5, antiskid rubber 6, a piston rod 7 and damping liquid (8) (arranged in a damping liquid container 9).

Wherein, gland 1: is composed of metal plate, and is in direct contact with vibration equipment, and the thickness is not less than 3 mm.

And (3) a spring 2: high deflection grade spring steel to provide adequate damping performance.

Fixing the bolt 3: and the damper is fixed at the corner of the equipment to keep the stability of the damper.

And 4, a limiting bolt: the height of the spring is limited, the spring thrust reversal caused by sudden unloading is avoided, and the stability of the shock absorber is kept.

A base 5: is made of metal plate, and its thickness is not less than 3 mm.

6, anti-slip rubber: the PVC rubber is composed of polychloroprene rubber, plays a role in skid resistance, can block solid sound transmission, and has the thickness of not less than 3 mm.

A piston rod 7: the metal material is connected with the gland and forms a damping structure together with the damping liquid.

Damping fluid 8: the viscous resistance of the liquid medium is used to attenuate the kinetic energy of the moving machine, so shortening the time of mechanical oscillation or movement.

Be provided with spring 2 and damping fluid container 9 between gland 1 and the base 5, damping fluid 8 is equipped with in the damping fluid container 9, and has a piston rod 7 to set up in the damping fluid to stretch out and hold in gland 1 in the damping fluid container 9 top, damping fluid container 9, damping fluid 8 and piston rod 7 constitute damping mechanism, gland 1 and base 5 connect through stop bolt 4, and stop bolt 4 can also restrict the 2 height of spring, avoids the spring 2 backstepping that suddenly uninstallation brought, keeps the stability of bumper shock absorber.

The damping liquid container 9 is arranged in the middle of the base 5, the springs 2 are multiple, and the springs 2 are arranged on the periphery of the damping liquid container to form a stacked damping effect.

Be provided with fixing bolt 3 at gland 1's edge, fixing bolt 3 is used for with the utility model discloses fix in equipment machine angle department.

The lower part of the base 5 is also provided with anti-skid rubber 6 which is composed of polychloroprene rubber, plays an anti-skid role, can block solid sound transmission and has a noise elimination effect.

The utility model discloses an above-mentioned structure constitutes, through the viscosity that utilizes damping liquid, increases the damping coefficient of whole isolator, reduces vibration acceleration, and the vibrating equipment is more stable, reduces rocking and unstability that ordinary spring brought, plays high damping effect, improves vibration isolation efficiency.

The middle of the upper template and the lower template consists of a piston rod and damping liquid to form a damping structure, and the shock absorber can bear larger load and has less deformation. The vibration damper has lower natural frequency and high stability, and improves the damping efficiency of the conventional vibration damper.

High damping bumper shock absorber, the bearing mainly relies on high amount of deflection spring, it mainly relies on damping liquid to increase the damping, rely on the viscidity resistance of liquid medium to make the kinetic energy decay of motion machinery, but shortened mechanical oscillation or motion time, some mechanical energy is friction heat energy for, and then consume partly shaking ability, through the thick effect that glues of liquid, slow down vibration acceleration, vibration isolation efficiency has been improved, the natural frequency of shock isolator has been reduced, be difficult to produce resonance, make equipment operation more steady simultaneously, the service life of equipment is prolonged.

The utility model discloses the performance of the high damping spring who realizes as follows:

1. the damping performance of the shock isolator is improved, and a short shock isolation plate of a common spring is made up;

2. the natural frequency is low;

3. the vibration isolation effect is good, the vibration isolation efficiency is high and can reach more than 95 percent;

4. the solid sound transmission can be effectively reduced;

5. the influence of high-frequency impact on the external environment can be effectively isolated;

6. the vibration is stable, and the service life of the shock absorber can be effectively prolonged;

7. the vibration acceleration and the vibration amplitude of the equipment are reduced, and the equipment runs more stably;

8. the problem of high-frequency short circuit of a common spring is solved.

Therefore, the utility model discloses the high damping spring that realizes, but the range of application as follows:

1. conventional equipment such as horizontal and vertical water pumps, fans, air-conditioning hosts and the like;

2. large-scale equipment such as generator sets, diesel engine sets and the like;

3. water pipe lines, air pipe lines, and the like;

4. high-precision instrument and equipment capable of preventing external vibration interference

5. High precision processing equipment and nanometer precision requirement.

In a word, the natural frequency of the high-damping spring shock absorber is low; the vibration isolation effect is good, the vibration isolation efficiency is high and can reach more than 95 percent; the solid sound transmission can be effectively reduced; the influence of high-frequency impact on the external environment can be effectively isolated; the service life of the shock absorber can be effectively prolonged. Particularly, the vibration isolation device is widely applied to high-requirement places and high-precision equipment, such as vibration isolation treatment of processing equipment with nanometer progress requirements, and the problems of poor damping and high-frequency short circuit of the conventional common spring are solved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. The high-damping shock absorber is characterized by comprising a spring, a damping mechanism, a gland and a base, wherein the spring and a damping liquid container are arranged between the gland and the base, damping liquid is filled in the damping liquid container, a piston device is arranged in the damping liquid and extends out of the damping liquid container to be supported on the gland, the damping liquid container, the damping liquid and the piston device form the damping mechanism, and the gland and the base are connected through a limiting bolt.

2. The high damping shock absorber of claim 1 wherein the damping fluid reservoir is disposed in the middle of the base and the spring is disposed around the periphery of the damping fluid reservoir.

3. The high damping shock absorber of claim 1, wherein the edge of the gland is provided with a fixing bolt.

4. A high damping shock absorber according to claim 1 wherein said spring is comprised of high deflection grade spring steel.

5. The high damping shock absorber of claim 1, wherein the lower portion of the base is further provided with an anti-slip rubber, the anti-slip rubber being composed of polychloroprene rubber.

Images