CN211114193U

CN211114193U - Reciprocating sleeve type liquid particle damper

Info

Publication number: CN211114193U
Application number: CN201921502777.2U
Authority: CN
Inventors: 陈语铮
Original assignee: Zhejiang Lover Health Science and Technology Development Co Ltd
Current assignee: Zhejiang Lover Health Science and Technology Development Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-07-28
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a reciprocating sleeve type liquid particle damper, which comprises a damper cavity unit and a piston rod, wherein the piston rod is positioned in the damper cavity unit, the cross axle center of the damper cavity unit is provided with a cavity and is positioned at two end positions in the cavity, the outer side wall of the damper cavity unit is connected with an outer sleeve, a damping particle group is arranged in the damper cavity unit, a plurality of liquid storage bins are arranged at the outer side positions of the damping particle group in the damper cavity unit, damping liquid is filled in the liquid storage bins, and the inner wall of the outer sleeve is provided with an outer ring viscous material; the damper of the utility model can play a role in different vibration frequencies, and mainly plays different roles in damping, and when vibrating at low frequency, the damper mainly consumes the energy of vibration by means of self weight, shaking of internal liquid, viscous material and springs; in the high-frequency vibration, the particle group in the damper starts to act, and the damping effect of the damper is enhanced.

Description

Reciprocating sleeve type liquid particle damper

Technical Field

The utility model belongs to the technical field of the particle damper, concretely relates to reciprocal telescopic liquid particle damper.

Background

The damper is a device for providing resistance to movement and reducing movement energy. Since the seventies of the twentieth century, people gradually transferred the technologies to structural engineering such as buildings, bridges, railways and the like, and the development of the technologies is very rapid. Especially, the hydraulic viscous damper with history of over fifty years is subjected to a great amount of experiments, strict examination and repeated demonstration before being accepted by the structural engineering world in the united states, especially a long process of earthquake examination.

In recent years, along with frequent occurrence of earthquake disasters and wide attention of people to wind resistance and earthquake resistance of high-rise buildings, research and application of dampers are improved correspondingly, for example, the traditional dampers comprise TMD, T L D, particle dampers and the like, and have certain limitations and defects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reciprocating sleeve formula liquid particle attenuator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the reciprocating sleeve type liquid particle damper comprises a damper cavity unit, a cavity arranged at the center of a transverse shaft in the damper cavity unit, and a piston rod arranged at two ends in the cavity, the outer side wall of the damper cavity unit is connected with an outer sleeve, a damping particle group is arranged in the damper cavity unit, and a plurality of liquid storage bins are arranged at the outer side of the shock absorption particle group in the damper cavity unit, shock absorption liquid is filled in the liquid storage bins, the inner wall of the outer sleeve is provided with an outer ring viscous material, the outer side wall of the damper cavity unit is provided with a slide rail, an expansion spring is arranged at one end of the piston rod facing the cavity, one end of the piston rod far away from the expansion spring is fixedly connected with a structure, the inner wall of the cavity and the corresponding positions of the piston rod and the expansion spring are provided with inner ring viscous materials.

Preferably, the sliding rail is connected with a sliding block in a sliding mode, and one end, far away from the sliding rail, of the sliding block is fixedly connected with the surface of the outer sleeve.

Preferably, the piston rod is provided with an opening inside.

Preferably, the particulate material of the damping particle group is any one or more of steel, concrete, glass, limestone, silica gel and ceramic.

Preferably, the material of the shock absorbing liquid may be water, glycerin, oil or alcohol.

Preferably, the material of the outer ring of viscous material 6 comprises silica gel or memory alloy.

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

1) the utility model discloses in by the granule crowd for the layering setting, make the particulate matter can evenly distributed in the inside of attenuator to multiple collision, friction are compared with traditional granule attenuator, and the number of times of collision between the granule is more, and the collision probability is higher.

2) The utility model provides an inside liquid does not also not confine to a certain position, but utilizes the setting of interlayer to distribute at the position of difference, and inside liquid can increase certain quality for the attenuator to play multiple damped effect in the vibration process.

3) The utility model discloses a attenuator can all play a role in the vibration frequency of difference, and mainly exert the absorbing position difference, and when the low frequency vibration, the attenuator mainly relies on the energy that rocks, viscous material and spring of self weight and inside liquid consume the vibration, and vibration is at high frequency, and granule crowd in the attenuator begins to play a role, strengthens the shock attenuation effect of attenuator.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a front sectional view of the present invention;

fig. 2 is a side cross-sectional view of the present invention;

in the figure: 1. a damper cavity unit; 2. an outer sleeve; 3. a piston rod; 4. a slide rail; 5. an expansion spring; 6. an outer ring viscous material; 7. a group of shock absorbing particles; 8. a shock absorbing liquid; 9. an inner ring of viscous material; 10. a cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: the reciprocating sleeve type liquid particle damper comprises a damper cavity unit 1, a piston rod 3 which is positioned in the damper cavity unit 1 and provided with a cavity 10 at the position of a transverse axis and two ends in the cavity 10, an outer sleeve 2 is connected to the outer side wall of the damper cavity unit 1, a damping particle group 7 is arranged in the damper cavity unit 1, eight liquid storage bins are arranged in the damper cavity unit 1 and positioned at the outer sides of the damping particle group 7, damping liquid 8 is filled in the eight liquid storage bins, the positions of the liquid storage bins are not limited to a certain position, but are distributed at different positions by utilizing the arrangement of interlayers, the internal liquid can add certain mass for the damper, so that the effect of multiple damping is achieved in the vibration process, a viscous outer ring material 6 is arranged on the inner wall of the outer sleeve 2, and four slide rails 4 are arranged on the outer side wall of the damper cavity unit 1, four slide rails 4 use the center of attenuator cavity unit 1 as the centre of a circle and be the annular and arrange, sliding connection has the slider in slide rail 4, the one end that slide rail 4 was kept away from to the slider is connected with the fixed surface of outer sleeve 2, expanding spring 5 is installed to the one end of piston rod 3 towards cavity 10, the one end that expanding spring 5 was kept away from to piston rod 3 and structure fixed connection, inner circle viscous material 9 has been installed with piston rod 3 and expanding spring 5's the corresponding position department of cavity 10's inner wall, the attenuator can all play a role in the vibration frequency of difference, when the low frequency vibration, the attenuator mainly relies on rocking of self weight and inside liquid, viscous material and expanding spring 5 consume the energy of vibration, it is that at high frequency vibration is, shock attenuation granule crowd 7 in the attenuator begins to play a role, strengthen the shock attenuation effect of attenuator.

In this embodiment, preferably, the inside of the piston rod 3 is provided with an opening, which is convenient for solving the problem of air pressure when the piston rod 3 moves.

In this embodiment, the particulate material of the vibration-damping particle group 7 is preferably steel.

In this embodiment, the material of the damping fluid 8 may be water.

In this embodiment, the material of the outer ring of the viscous material 6 is preferably silica gel.

The utility model discloses a theory of operation and use flow: when the device is used, the piston rods 3 at two sides are fixed with a structure, then the slide rails 4 are fixed with the ground through connecting pieces, under the action of wind or earthquake, the damper realizes the reciprocating motion of the piston rods 3 through the compression and the extension of the expansion springs 5, the outer sleeve 2 is connected with the slide rails 4, the transverse reciprocating motion of the damper cavity unit 1 in the figure 2 is realized, in the reciprocating motion, the energy of earthquake waves is absorbed through the continuous friction between the piston rods 3 and the inner ring viscous material 9, the friction between the outer sleeve 2 and the inner ring viscous material 9, the continuous oscillation of the damping liquid 8 in the damper cavity unit 1 and the continuous collision and friction of the damping particle groups 7, so that the damping effect is achieved, and as the starting point of small-range and small-frequency vibration is lower, the characteristic of lower starting point of water and steel is utilized, and the damping positions are different, when vibrating at low frequency, the damper consumes the energy of vibration mainly depending on the self weight and the shaking of the internal liquid, the viscous material and the expansion spring 5; in the high-frequency vibration, the damping particle group 7 in the damper starts to play a role, the damping effect of the damper is enhanced, and the energy of low-frequency vibration with a lower vibration starting point is dissipated through a series of oscillation, collision and friction; then under the action of wind or/and earthquake, the energy of earthquake is absorbed and dissipated through collision among the shock absorption particle groups 7 in the damper cavity unit 1, friction between the piston rod 3 and the inner ring viscous material 9, friction between the outer sleeve 2 and the damper cavity unit 1, continuous oscillation of the shock absorption liquid 8 and back-and-forth oscillation of the expansion spring 5, and the damper can play a damping role under the action of earthquake waves with different strengths and grades.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Reciprocating sleeve-type liquid particle damper, including attenuator cavity unit (1) and be located piston rod (3) of the both ends position department of offering cavity (10) and being located cavity (10) in attenuator cavity unit (1) horizontal axis department, its characterized in that: the outer side wall of the damper cavity unit (1) is connected with an outer sleeve (2), a damping particle group (7) is arranged in the damper cavity unit (1), and a plurality of liquid storage bins are arranged at the outer side of the shock absorption particle group (7) in the damper cavity unit (1), shock absorption liquid (8) is filled in the liquid storage bins, the inner wall of the outer sleeve (2) is provided with an outer ring viscous material (6), the outer side wall of the damper cavity unit (1) is provided with a slide rail (4), an expansion spring (5) is arranged at one end of the piston rod (3) facing the cavity (10), one end of the piston rod (3) far away from the expansion spring (5) is fixedly connected with a structure, inner ring viscous materials (9) are arranged on the inner wall of the cavity (10) and the positions corresponding to the piston rod (3) and the expansion spring (5).

2. The reciprocating-sleeve liquid particle dampener of claim 1, wherein: the sliding block is connected in the sliding rail (4) in a sliding mode, and one end, far away from the sliding rail (4), of the sliding block is fixedly connected with the surface of the outer sleeve (2).

3. The reciprocating-sleeve liquid particle dampener of claim 1, wherein: the interior of the piston rod (3) is provided with an opening.

4. The reciprocating-sleeve liquid particle dampener of claim 1, wherein: the particle material of the damping particle group (7) is any one of steel, concrete, glass, limestone, silica gel and ceramics.

5. The reciprocating-sleeve liquid particle dampener of claim 1, wherein: the material of the shock absorption liquid (8) can be water, glycerin, oil or alcohol.

6. The reciprocating-sleeve liquid particle dampener of claim 1, wherein: the outer ring viscous material (6) comprises silica gel or memory alloy.