CN210830278U

CN210830278U - Liquid bag type viscous damper

Info

Publication number: CN210830278U
Application number: CN201921821490.6U
Authority: CN
Inventors: 王彬
Original assignee: Changzhou Keheng Hydraulic Machinery Co ltd
Current assignee: Changzhou Keheng Hydraulic Machinery Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-06-23
Anticipated expiration: 2029-10-28

Abstract

The utility model discloses a liquid bag type viscous damper, including damping jar, inner tube and soft sleeve pipe, the damping jar includes roof, bottom plate and curb plate, the top fixedly connected with curb plate of bottom plate, the top fixedly connected with roof of curb plate, the equal fixedly connected with soft sleeve pipe of surface of roof and curb plate, the damping jar intussuseption is filled with damping fluid, the bottom fixedly connected with inner tube of roof, the inner tube is hollow nothing top tubbiness, the lower surface of roof is sealed the top of inner tube completely, the inner wall sliding connection of inner tube has the solid particle. This liquid bag type viscous damper, through setting up the inner tube and to pouring into in the inner tube and vibrate liquid and add solid particle, when taking place vibrations, the attenuator receives vibrations simultaneously, and the vibration liquid and the solid particle in the inner tube can rock, surge, splash in the inner tube, with the vibration energy consumption of a part to have under the condition that does not increase inner tube size and damping fluid viscosity, improve the characteristics of the vibration isolation damping efficiency of damping cylinder.

Description

Liquid bag type viscous damper

Technical Field

The utility model relates to a damping vibration isolation technical field of equipment and pipeline, more specifically says that it relates to a liquid bag type viscous damper.

Background

The viscous damping cylinder is mainly structurally characterized in that an inner cylinder is immersed in an outer cylinder filled with high-viscosity damping liquid. The inner cylinder is connected to equipment or piping via a top plate, and the outer cylinder is connected to the building structure via a bottom plate. The vibration of the equipment or the pipeline is reduced by the damping inhibition effect of the high-viscosity damping liquid. In order to prevent the high-viscosity damping liquid from splashing and prevent external dust and water vapor from entering the outer cylinder to deteriorate the performance of the damping liquid, a soft sleeve is used for sealing a gap between the outer cylinder and the top plate.

Under the condition that the size of the inner cylinder is not increased, the vibration isolation damping efficiency of the damping cylinder is improved only by increasing the viscosity of damping liquid, but the viscosity of the damping liquid is limited by the existing technology and equipment, so that the viscosity of the damping liquid has a certain limit and cannot be greatly improved, and the vibration isolation damping efficiency of the damping cylinder cannot be greatly improved by the existing design scheme under the condition that the size of the inner cylinder is not increased.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a liquid bag type viscous damper, it has under the condition that does not increase inner tube size and damping fluid viscosity, improves the characteristics of the vibration isolation damping efficiency of damping jar.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a liquid bag type viscous damper, includes damping jar, inner tube and soft sleeve pipe, and the damping jar includes roof, bottom plate and curb plate, the top fixedly connected with curb plate of bottom plate, the top fixedly connected with roof of curb plate, the equal fixedly connected with soft sleeve pipe of surface of roof and curb plate, the damping jar intussuseption is filled with damping fluid, the bottom fixedly connected with inner tube of roof, the inner tube is hollow nothing top tubbiness, the lower surface of roof is sealed the top of inner tube completely.

Further, the inner wall of the inner cylinder is connected with solid particles in a sliding mode, and the inner portion of the inner cylinder is filled with the oscillation liquid.

Through above-mentioned technical scheme, utilize rocking, splashing of solid particle and shock liquid to consume the vibrations energy, increase the vibration isolation damping efficiency of damping jar.

Furthermore, the inner bottom wall of the inner cylinder is fixedly connected with a positioning core, and the surface of the positioning core is fixedly sleeved with a water inlet pipe.

Through above-mentioned technical scheme, utilize the displacement of location core restriction inlet tube, guarantee the unobstructed of inlet tube.

Further, the apopore has been seted up to the lower extreme of inlet tube, the inside of apopore intercommunication inlet tube and the inside of inner tube to the top fixed connection of inlet tube and the lower surface of roof, inlet tube.

Through above-mentioned technical scheme, utilize the inside of apopore intercommunication inlet tube and the inside of inner tube for vibrate the liquid can be smooth from inner tube and the interior flow of water pipe.

Further, a liquid pipeline and a gas pipeline are respectively arranged on the side wall of the top plate, one end of the gas pipeline is communicated with the inner cylinder, and one end of the liquid pipeline is communicated with the water inlet pipe.

Through above-mentioned technical scheme, utilize gas pipeline and liquid pipeline to inject into or take out partial shock liquid for the vibration isolation efficiency of damping cylinder is convenient for adjust according to the actual application condition.

Further, the inner wall of the liquid pipeline is in threaded connection with a liquid seal plug screw, and the inner wall of the gas pipeline is in threaded connection with a gas seal plug screw.

Through above-mentioned technical scheme, utilize liquid seal bolt and gas seal bolt when the attenuator normally works, prevent that the interior shock liquid of damping jar and gas from revealing to prevent to produce the harm to the attenuator.

Furthermore, the bottom of the bottom plate is fixedly connected with a shockproof support, and the top of the shockproof support is provided with a fixing hole penetrating through the shockproof support.

Through the technical scheme, the damper is stabilized by the shockproof support and the fixing hole, so that the normal work of the damping cylinder is ensured.

To sum up, the utility model discloses following beneficial effect has:

1. by arranging the inner cylinder, injecting a proper amount of oscillation liquid into the inner cylinder and adding solid particles, when the vibration occurs, the damper is vibrated simultaneously, the oscillation liquid and the solid particles in the inner cylinder can rock and surge and splash in the inner cylinder, and a part of vibration energy is consumed, so that the vibration isolation and damping efficiency of the damping cylinder is improved under the condition that the size of the inner cylinder and the viscosity of the damping liquid are not increased;

2. through setting up liquid pipeline and gas pipeline intercommunication inlet tube and inner tube respectively to it is sealed through gas seal plug screw and liquid seal plug screw, when damping cylinder vibration isolation efficiency needs to change, can inject into or take out appropriate amount vibration liquid through liquid pipeline according to the actual application condition, inhale or emit the air that corresponds with vibration liquid through gas pipeline, again with gas pipeline and liquid pipeline sealed can, thereby be convenient for adjust the shock absorption efficiency of damping cylinder according to actual demand.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the water inlet pipe structure of the present invention.

In the figure: 1. an inner barrel; 2. a soft sleeve; 3. a top plate; 4. a base plate; 5. a side plate; 6. damping fluid; 7. solid particles; 8. shaking liquid; 9. a positioning core; 10. a water inlet pipe; 11. a water outlet hole; 12. a liquid conduit; 13. a gas conduit; 14. liquid seal screw plugs; 15. a gas seal plug screw; 16. a shockproof support; 17. and (7) fixing holes.

Detailed Description

Example (b):

the present invention will be described in further detail with reference to the accompanying fig. 1-2.

A liquid bag type viscous damper is shown in figure 1-2 and comprises a damping cylinder, an inner cylinder 1 and a soft sleeve 2, wherein the damping cylinder comprises a top plate 3, a bottom plate 4 and a side plate 5, the top of the bottom plate 4 is fixedly connected with the side plate 5, the top of the side plate 5 is fixedly connected with the top plate 3, the outer surfaces of the top plate 3 and the side plate 5 are both fixedly connected with the soft sleeve 2, the damping cylinder is filled with damping liquid 6, the bottom of the top plate 3 is fixedly connected with the inner cylinder 1, the inner cylinder 1 is hollow and has no top barrel shape, and the top of the inner cylinder 1 is completely sealed by the lower surface of;

as shown in fig. 1-2, the inner wall of the inner cylinder 1 is slidably connected with solid particles 7, the inner part of the inner cylinder 1 is filled with a shaking liquid 8, the inner bottom wall of the inner cylinder 1 is fixedly connected with a positioning core 9, the surface of the positioning core 9 is fixedly sleeved with a water inlet pipe 10, the top of the water inlet pipe 10 is fixedly connected with the lower surface of the top plate 3, the lower end of the water inlet pipe 10 is provided with a water outlet hole 11, and the water outlet hole 11 is communicated with the inside of the water inlet pipe;

as shown in fig. 1-2, a liquid pipeline 12 and a gas pipeline 13 are respectively disposed on the side wall of the top plate 3, one end of the gas pipeline 13 is communicated with the inner cylinder 1, one end of the liquid pipeline 12 is communicated with the water inlet pipe 10, a liquid seal plug screw 14 is connected to the inner wall of the liquid pipeline 12 through a screw thread, a gas seal plug screw 15 is connected to the inner wall of the gas pipeline 13 through a screw thread, a shockproof support 16 is fixedly connected to the bottom of the bottom plate 4, and a fixing hole 17 penetrating through the shockproof support 16 is disposed at the top of the shockproof support.

By arranging the inner cylinder 1, injecting a proper amount of the oscillation liquid 8 into the inner cylinder 1 and adding the solid particles 7, when the vibration occurs, the damper is vibrated at the same time, the oscillation liquid 8 and the solid particles 7 in the inner cylinder 1 can rock and surge and splash in the inner cylinder 1, and part of vibration energy is consumed, so that the vibration isolation and damping efficiency of the damping cylinder is improved under the condition that the size of the inner cylinder and the viscosity of the damping liquid are not increased;

through setting up liquid pipeline 12 and gas pipeline 13 and communicate inlet tube 10 and inner tube 1 respectively, and it is sealed through gas seal plug screw 15 and liquid seal plug screw 14, when damping cylinder vibration isolation efficiency needs to change, can be according to the actual application condition, inject into or take out proper amount through liquid pipeline 12 and vibrate liquid 8, inhale or emit the air that corresponds with vibrating liquid 8 through gas pipeline 13, again with gas pipeline 13 and liquid pipeline 12 sealed can, thereby be convenient for adjust the shock absorption efficiency of damping cylinder according to the actual demand.

The working principle is as follows:

firstly, assembling a damper, adding a proper amount of damping liquid 6 into a damping cylinder, fixedly connecting a soft sleeve 2 on a side plate 5 in contact with a top plate 3, adding a proper amount of solid particles 7 into an inner cylinder 1, sealing each structure, and fixedly installing a shockproof support 16 of the damping cylinder through a fixing hole 17;

when the damper reduces the need for change of vibration capacity, the air-seal plug screw 15 and the liquid-seal plug screw 14 are taken out, a proper amount of oscillation liquid 8 is added into or taken out of the water inlet pipe 10 through the liquid pipeline 12, the oscillation liquid 8 in the water inlet pipe 10 enters and exits the inner cylinder 1 through the water outlet hole 11, and when the oscillation liquid 8 is added, a part of air in the inner cylinder 1 is discharged from the gas pipeline 13.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a liquid bag type viscous damper, includes damping cylinder, inner tube (1) and soft sleeve pipe (2), its characterized in that: the damping cylinder includes roof (3), bottom plate (4) and curb plate (5), the top fixedly connected with curb plate (5) of bottom plate (4), the top fixedly connected with roof (3) of curb plate (5), the equal fixedly connected with soft sleeve pipe (2) of surface of roof (3) and curb plate (5), the damping cylinder intussuseption is filled with damping liquid (6), the bottom fixedly connected with inner tube (1) of roof (3), inner tube (1) are hollow and do not have a bucket-top form, the lower surface of roof (3) is sealed the top of inner tube (1) completely.

2. The liquid bladder type viscous damper according to claim 1, characterized in that: the inner wall of the inner cylinder (1) is connected with solid particles (7) in a sliding mode, and the inner portion of the inner cylinder (1) is filled with oscillation liquid (8).

3. The liquid bladder type viscous damper according to claim 2, characterized in that: the inner bottom wall of the inner barrel (1) is fixedly connected with a positioning core (9), and a water inlet pipe (10) is fixedly sleeved on the surface of the positioning core (9).

4. The liquid bladder type viscous damper according to claim 3, characterized in that: the top fixed connection of inlet tube (10) and the lower surface of roof (3), apopore (11) have been seted up to the lower extreme of inlet tube (10), apopore (11) communicate the inside of inlet tube (10) and the inside of inner tube (1).

5. The liquid bladder type viscous damper according to claim 1, characterized in that: liquid pipeline (12) and gas pipeline (13) have been seted up respectively to the lateral wall of roof (3), the one end intercommunication inner tube (1) of gas pipeline (13), the one end intercommunication inlet tube (10) of liquid pipeline (12).

6. The liquid bladder type viscous damper according to claim 5, characterized in that: the inner wall of the liquid pipeline (12) is in threaded connection with a liquid seal plug screw (14), and the inner wall of the gas pipeline (13) is in threaded connection with a gas seal plug screw (15).

7. The liquid bladder type viscous damper according to claim 1, characterized in that: the bottom of the bottom plate (4) is fixedly connected with a shockproof support (16), and the top of the shockproof support (16) is provided with a fixing hole (17) penetrating through the shockproof support (16).