CN213235898U

CN213235898U - Novel viscous damper

Info

Publication number: CN213235898U
Application number: CN202022033848.8U
Authority: CN
Inventors: 丁志桂; 江源; 郭二朋; 王政; 黄进
Original assignee: Shanghai Yingzhong Construction Technology Co ltd
Current assignee: Shanghai Yingzhong Construction Technology Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-18
Anticipated expiration: 2030-09-16

Abstract

The utility model relates to a attenuator technical field specifically is a novel viscous damper, all be equipped with the cylindrical cylinder body of open-ended including both ends, the both ends of cylinder body are inserted respectively and are equipped with first guide arm and second guide arm, the outside end of first guide arm is equipped with the preceding earring, the outside end of second guide arm is equipped with the back earring, two port play of cylinder body are equipped with first sealing plug and second sealing plug respectively, sliding connection between first guide arm and the first sealing plug, sliding connection between second guide arm and the second sealing plug, be equipped with first piston on the first guide arm, the inside wall sliding connection of first piston and cylinder body. The utility model discloses an adopt double-piston relative motion's structure for the power consumption efficiency of attenuator is higher, and does not increase structural rigidity, can not change the period of shaking certainly of structure, and the appearance is pleasing to the eye, compact structure, simple to operate, and the stable performance both can be used for the antidetonation, also can be used for the anti-wind simultaneously.

Description

Novel viscous damper

Technical Field

The utility model relates to a attenuator technical field specifically is a novel viscous damper.

Background

The viscous damper is a passive speed type energy dissipation and shock absorption device which takes viscous materials as damping media. The energy absorption and dissipation device is mainly used for absorbing and dissipating energy of structural vibration (including structural vibration caused by wind, earthquake, moving load, power equipment and the like), is suitable for building structures, equipment foundation engineering and the like of various earthquake intensity areas, and is simple and convenient to install, maintain and replace.

At present, the existing viscous damper mostly adopts a guide rod and a single piston structure to carry out damping motion, so that the energy consumption effect of the viscous damper is poor, the anti-seismic effect is not ideal, and a novel viscous damper is provided for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel viscous damper to solve the problem of proposing among the above-mentioned background art.

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

a novel viscous damper comprises a cylindrical cylinder body with openings at two ends, a first guide rod and a second guide rod are inserted at two ends of the cylinder body respectively, a front ear ring is arranged at the outer side end of the first guide rod, a rear ear ring is arranged at the outer side end of the second guide rod, a first sealing plug and a second sealing plug are arranged at two port outlets of the cylinder body respectively, the first guide rod is connected with the first sealing plug in a sliding manner, the second guide rod is connected with the second sealing plug in a sliding manner, a first piston is arranged on the first guide rod, the first piston is connected with the inner side wall of the cylinder body in a sliding manner, a groove is arranged at the inner side end of the first guide rod, the inner side end of the second guide rod is inserted in the groove, a second piston is arranged at the inner side end of the second guide rod, the second piston is connected with the inner wall of the groove in a sliding manner, a plurality of damping holes are arranged on the first piston and the, and a plurality of clearance holes are formed in the edge outlets of the first piston and the second piston.

As a further aspect of the present invention: the temples of the cylinder body are filled with viscous fluid damping materials.

As a further aspect of the present invention: the damping holes are distributed on the first piston and the second piston in an annular array.

As a further aspect of the present invention: and a plurality of clearance holes are distributed at the edges of the first piston and the second piston in an annular array.

As a further aspect of the present invention: and circular mounting holes are formed in the front earrings and the rear earrings.

As a further aspect of the present invention: the rod diameter of the second guide rod is smaller than the inner diameter of the groove in the first guide rod.

Compared with the prior art, the utility model has the advantages of following several aspects:

the utility model discloses an adopt double-piston relative motion's structure for the power consumption efficiency of attenuator is higher, and does not increase structural rigidity, can not change the period of shaking certainly of structure, and the appearance is pleasing to the eye, compact structure, simple to operate, and the stable performance both can be used for the antidetonation, also can be used for the anti-wind simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a novel viscous damper.

Fig. 2 is an enlarged schematic view of a in fig. 1.

In the figure: 1. a cylinder body; 2. a first sealing plug; 3. an anterior earring; 4. a viscous fluid damping material; 5. a first guide bar; 6. a first piston; 7. a damping hole; 8. a groove; 9. a second piston; 10. a second guide bar; 11. a posterior earring; 12. a second sealing plug; 13. a clearance hole.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1 and 2, a novel viscous damper includes a cylindrical cylinder 1 having openings at both ends, a first guide rod 5 and a second guide rod 10 are respectively inserted at both ends of the cylinder 1, a front ear ring 3 is disposed at an outer side end of the first guide rod 5, a rear ear ring 11 is disposed at an outer side end of the second guide rod 10, a first sealing plug 2 and a second sealing plug 12 are respectively disposed at both ends of the cylinder 1, the first guide rod 5 and the first sealing plug 2 are slidably connected, the second guide rod 10 and the second sealing plug 12 are slidably connected, a first piston 6 is disposed on the first guide rod 5, the first piston 6 and an inner side wall of the cylinder 1 are slidably connected, a groove 8 is disposed at an inner side end of the first guide rod 5, an inner side end of the second guide rod 10 is inserted in the groove 8, a second piston 9 is disposed at an inner side end of the second guide rod 10, the second piston 9 and an inner wall of the groove 8 are slidably connected, a plurality of damping holes 7 are disposed on the first piston 6 and the second piston 9, and a plurality of clearance holes 13 are respectively arranged at the edge of the first piston 6 and the second piston 9.

The interior of the cylinder 1 is filled with a viscous fluid damping material 4.

A plurality of damping holes 7 are distributed on the first piston 6 and the second piston 9 in an annular array.

A number of clearance holes 13 are also distributed in an annular array at the edge of the first piston 6 and the second piston 9.

The front earrings 3 and the rear earrings 11 are provided with round mounting holes.

The rod diameter of the second guide rod 10 is smaller than the inner diameter of the groove 8 on the first guide rod 5.

The utility model discloses a theory of operation is: the utility model discloses the during operation, pass through fixing bolt with preceding earring 3 and fix on the entablature fixing base, fix back earring 11 on the underbeam fixing base through fixing bolt, pack viscous fluid damping material 4 in cylinder body 1, and seal the both ends of cylinder body 1 through first sealing plug 2 and second sealing plug 12, insert the inside end of second guide arm 10 in the recess of first guide arm 5, set up first piston 6 and second piston 9 respectively at the inside end of first guide arm 5 and second guide arm 10, when vibrations take place, first piston 6 and second piston 9 produce damping motion simultaneously, make the power consumption efficiency of attenuator higher, and do not increase structural rigidity, the period of shaking certainly that can not change the structure, and the appearance is pleasing to the eye, compact structure, high durability and convenient installation, the simultaneous performance is stable, both can be used for the antidetonation, also can be used for the anti-wind.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The novel viscous damper is characterized by comprising a cylindrical cylinder body (1) with openings at two ends, wherein a first guide rod (5) and a second guide rod (10) are inserted at two ends of the cylinder body (1) respectively, a front ear ring (3) is arranged at the outer side end of the first guide rod (5), a rear ear ring (11) is arranged at the outer side end of the second guide rod (10), a first sealing plug (2) and a second sealing plug (12) are arranged at two port outlets of the cylinder body (1) respectively, the first guide rod (5) is in sliding connection with the first sealing plug (2), the second guide rod (10) is in sliding connection with the second sealing plug (12), a first piston (6) is arranged on the first guide rod (5), the first piston (6) is in sliding connection with the inner side wall of the cylinder body (1), a groove (8) is arranged at the inner side end of the first guide rod (5), the inner side end of the second guide rod (10) is inserted into the groove (8), a second piston (9) is arranged at the inner side end of the second guide rod (10), the second piston (9) is connected with the inner wall of the groove (8) in a sliding mode, a plurality of damping holes (7) are formed in the first piston (6) and the second piston (9), and a plurality of clearance holes (13) are formed in the edge outlet of the first piston (6) and the edge outlet of the second piston (9).

2. A new type of viscous damper according to claim 1, characterized in that the inside of the cylinder (1) is filled with viscous fluid damping material (4).

3. A new type of viscous damper according to claim 1, characterized by that several of the damping holes (7) are distributed in an annular array on the first piston (6) and the second piston (9).

4. A new type of viscous damper according to claim 1, characterized in that the plurality of clearance holes (13) are also distributed in an annular array at the edges of the first piston (6) and the second piston (9).

5. The novel viscous damper according to claim 1, characterized in that the front earring (3) and the rear earring (11) are provided with circular mounting holes.

6. The new viscous damper of claim 1, wherein the diameter of the second guide rod (10) is smaller than the inner diameter of the groove (8) on the first guide rod (5).