CN215054171U

CN215054171U - Energy dissipation device

Info

Publication number: CN215054171U
Application number: CN202120892921.9U
Authority: CN
Inventors: 汪大洋; 周云; 李俊炜; 张敏; 纪宏恩
Original assignee: Guangzhou University
Current assignee: Guangzhou University
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-07
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses an energy dissipater, a shell is provided with an inner cavity and a first guide hole, the first guide hole is positioned at the top of the shell and is communicated with the inner cavity, and the inner cavity is used for placing viscous media; the first transmission part penetrates through the first guide hole and extends into the inner cavity, the second transmission part is in transmission connection with the first transmission part, and the second transmission part can rotate when the first transmission part moves vertically; the choke assembly is arranged on the second transmission part and is provided with an energy consumption hole. The rotational motion of transmission assembly is realized to this energy consumer utilizing outside vertical excitation to combine together choked flow subassembly, power consumption hole and rotational motion, can greatly increased choked flow subassembly and stir the viscous force that viscous medium produced, can promote the power consumption ability of energy consumer by a wide margin, and environmental protection safety, energy-conserving high efficiency satisfy modern construction's antivibration/shake demand.

Description

Energy dissipation device

Technical Field

The utility model is used for building element technical field especially relates to an energy consumer.

Background

The structural energy dissipation and shock absorption technology is to install energy dissipation elements or devices at proper positions of a structure so as to reduce the dynamic response of the structure under the action of earthquake, wind or other dynamic loads. The energy dissipater is a passive energy dissipation device which effectively improves the ultimate bearing capacity and the durability of a structure, the energy dissipater using a viscous medium as a damping medium is common, and the most representative is a viscous damper. Generally, a viscous damper on the market compresses a damping medium through linear motion of a piston, so that the damping medium flows through an energy consumption hole on the piston to generate viscous force energy consumption, but the viscous force energy consumption is small, the damping strength is not enough, and the high damping requirement under a use environment cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide an energy consumer, it can increase viscous force, promotes the power consumption ability by a wide margin.

The utility model provides a technical scheme that its technical problem adopted is:

an energy consumer, comprising:

the shell is provided with an inner cavity and a first guide hole, the first guide hole is positioned at the top of the shell and is communicated with the inner cavity, and the inner cavity is used for placing viscous media;

a damping mechanism comprising:

the transmission assembly comprises a first transmission part and a second transmission part, the first transmission part penetrates through the first guide hole and extends into the inner cavity, the second transmission part is in transmission connection with the first transmission part, and the second transmission part can rotate when the first transmission part moves vertically;

and the flow blocking assembly is arranged on the second transmission part and is provided with an energy consumption hole.

In combination with the foregoing implementation manner, in certain implementation manners of the present invention, the first transmission component includes a screw rod, the second transmission component includes a nut, and the nut is disposed outside the screw rod.

In combination with the foregoing implementation manner, in certain implementation manners of the present invention, the choke assembly includes a plurality of choke parts, the choke parts are divergently distributed at the periphery of the nut, and the choke parts are provided with a plurality of energy dissipation holes distributed at intervals.

In combination with the foregoing implementation manner, in certain implementation manners of the present invention, the choke part includes a damping plate, the energy dissipation hole is formed along a thickness direction of the damping plate.

In combination with the above implementation manner, in certain implementation manners of the present invention, an elastic reset component is installed at the bottom of the screw rod, and the bottom of the elastic reset component is connected to the housing.

In combination with the above implementation manner, the utility model discloses an in some implementation manners, be equipped with the baffle in the inner chamber, the baffle will first inner chamber and second inner chamber are separated into to the inner chamber, first inner chamber is located the top of second inner chamber, viscous medium is located in the first inner chamber, elasticity reset unit is located in the second inner chamber, be equipped with the second guiding hole on the baffle, the screw rod passes in proper order first guiding hole, first inner chamber and second guiding hole, and stretch into connect in behind the second inner chamber in elasticity reset unit, the casing in the periphery of first guiding hole and second guiding hole all is equipped with the seal groove, be equipped with the dynamic seal spare in the seal groove.

In combination with the above implementation manner, in certain implementation manners of the present invention, the top of the casing is provided with a drainage hole, and the drainage hole is communicated with the first inner cavity.

In combination with the foregoing implementation manner, in certain implementations of the present invention, the damping mechanism is provided with a plurality of guiding holes, the housing is provided with a plurality of intervals, the number of the guiding holes is the same as the number of the damping mechanism, and the first transmission component of the damping mechanism is correspondingly passed through the guiding holes.

In combination with the above implementation manner, the utility model discloses an in some implementation manners, still include the connecting plate, first drive disk assembly install in the bottom of connecting plate.

In combination with the above implementations, in certain implementations of the invention, the viscosity of the viscous medium is not less than 300000mPa · s.

One of the above technical solutions has at least one of the following advantages or beneficial effects: when vertical vibration/shock is generated, the first transmission part moves vertically under the action of external vertical excitation, the second transmission part rotates along with the first transmission part, and the flow blocking assembly is driven to rotate in the viscous medium, so that the viscous medium is sheared and deformed and flows through the energy consumption hole. The rotational motion of transmission assembly is realized to this energy consumer utilizing outside vertical excitation to combine together choked flow subassembly, power consumption hole and rotational motion, can greatly increased choked flow subassembly and stir the viscous force that viscous medium produced, can promote the power consumption ability of energy consumer by a wide margin, and environmental protection safety, energy-conserving high efficiency satisfy modern construction's antivibration/shake demand.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic view of an embodiment of the present invention with a damping mechanism;

FIG. 2 is a side view of one embodiment shown in FIG. 1;

FIG. 3 is a top view of one embodiment shown in FIG. 1;

FIG. 4 is a top view of the one embodiment damping mechanism shown in FIG. 1;

fig. 5 is a schematic structural diagram of an embodiment of the present invention with a plurality of damping mechanisms.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 3, an embodiment of the present invention provides an energy dissipater, a housing 1 and a damping mechanism 3. The shell 1 is provided with an inner cavity and a first guide hole, the first guide hole is positioned at the top of the shell 1 and is communicated with the inner cavity, and the inner cavity is used for placing the viscous medium 2.

The damping mechanism 3 includes a transmission assembly and a choke assembly. Wherein, the transmission assembly comprises a first transmission part 31 and a second transmission part 32, the first transmission part 31 passes through the first guide hole and extends into the inner cavity. It will be appreciated that the first guide holes are arranged vertically. The energy consumer is intended to be installed between different building elements, i.e. the top of the first transmission member 31 is intended to be connected to a wall of an upper building element and the bottom of the housing 1 is intended to be connected to a wall of a lower building element. When the building element is influenced by the vibration source, the building element applies a vertical acting force to the first transmission part 31, and the first transmission part 31 can reciprocate vertically under the guiding action of the first guide hole. The second transmission component 32 is in transmission connection with the first transmission component 31, and when the first transmission component 31 moves vertically, the second transmission component 32 can rotate. The choke component is mounted on the second transmission part 32, rotates under the driving of the second transmission part 32 to enable the viscous medium 2 to be sheared and deformed, is provided with the energy consumption hole 331, can increase viscous force generated by stirring of the viscous medium 2 by the choke component, and has better vertical energy consumption performance.

When vertical vibration/shock is generated, the first transmission part 31 moves vertically under the action of external vertical excitation, the second transmission part 32 rotates along with the first transmission part, and drives the flow blocking assembly to rotate in the viscous medium 2, so that the viscous medium 2 is sheared and deformed and flows through the energy consumption hole 331. The rotational motion of the transmission assembly is realized by utilizing the external vertical excitation effect, the flow blocking assembly, the energy consumption hole 331 and the rotational motion are combined, the viscous force generated by stirring the viscous medium 2 by the flow blocking assembly can be greatly increased, the energy consumption capability of the energy consumption device can be greatly improved, and the energy consumption device is environment-friendly, safe, energy-saving and efficient and meets the anti-vibration/shock requirements of modern construction.

The first transmission part 31 and the second transmission part 32 can adopt a ball screw pair or a rack and pinion matching mode. Referring to fig. 1, in some embodiments, the first transmission member 31 comprises a threaded rod and the second transmission member 32 comprises a nut that is sleeved on the exterior of the threaded rod. When the screw rod moves along the vertical direction, namely the up-down direction, under the external excitation action, the nut can rotate around the screw rod, so that the vertical motion can be converted into the rotation motion, the viscous force generated by stirring the viscous medium 2 by the flow blocking component is increased, and the device is stable, safe, energy-saving and efficient.

Referring to fig. 4, in some embodiments, the choke assembly includes a plurality of choke parts 33, the choke parts 33 are distributed around the nut in a divergent manner, the contact area between the choke assembly and the viscous medium 2 is increased, and the frequency of the choke assembly for agitating the viscous medium 2 per unit time is increased. The choke part 33 is provided with a plurality of energy consumption holes 331 distributed at intervals, the viscous medium 2 rapidly flows through each energy consumption hole 331 in the rotation process of the choke component, the viscous force generated by the viscous medium 2 stirred by the choke component can be greatly increased, and the energy consumption capability of the energy dissipater is greatly improved. It is understood that the number of the choke parts 33 and the energy consumption holes 331 may be adjusted according to actual requirements.

Referring to fig. 4, in some embodiments, the choke part 33 includes a damping plate, and the energy dissipating holes 331 penetrate the damping plate in a thickness direction of the damping plate, that is, in a tangential direction of a rotational movement of the nut. When the nut rotates and drives the flow blocking part 33 to rotate, the opening direction of the energy consumption hole 331 is opposite to the flowing direction of the viscous medium 2, so that the flowing speed of the viscous medium 2 can be greatly improved, the viscous force can be greatly improved, and the vertical energy consumption capability can be improved.

When the vertical displacement of the screw rod is too large, the screw rod is easy to impact the bottom plate of the shell 1, so that the two parts are abraded, and the service life of the energy dissipater is shortened. Referring to fig. 1 and 5, in some embodiments, the bottom of the screw is mounted with a resilient return means 4, and the bottom of the resilient return means 4 is connected to the housing 1, i.e. to the bottom plate of the housing 1, which bottom plate of the housing 1 is used for connecting external building elements. When the vertical displacement that the screw rod took place was too big, the screw rod compression elasticity reset unit 4, elasticity reset unit 4 produced reverse elastic force to reduce the vertical displacement of screw rod, can prevent effectively that the bottom plate that the screw rod from striking casing 1 is impaired, play the guard action, improve the life of power consumption ware. It is understood that the elastic restoring member 4 includes a spring, a disc spring, an elastic colloid, and other objects having a vertical elastic deformation function.

Referring to fig. 1 and 5, in some embodiments, a partition 11 is disposed in the inner cavity, and the partition 11 divides the inner cavity into a first inner cavity and a second inner cavity 12, wherein the first inner cavity is located at the top of the second inner cavity 12. Viscous medium 2 is located first inner chamber, and elasticity restoring element 4 is located in second inner chamber 12 avoids viscous medium 2 to erode elasticity restoring element 4, is favorable to improving the life of elasticity restoring element 4, and is convenient for change elasticity restoring element 4. And a second guide hole is formed in the partition plate 11, and the screw rod sequentially penetrates through the first guide hole, the first inner cavity and the second guide hole, extends into the second inner cavity 12 and then is connected to the elastic reset component 4. The first guide hole and the second guide hole guide the vertical movement of the screw rod.

Casing 1 all is equipped with the seal groove in the periphery of first guiding hole and second guiding hole, is equipped with movable seal 13 in the seal groove to prevent viscous medium 2 in the first inner chamber from leaking, improves the leakproofness of consumer. It will be appreciated that the dynamic seal 13 may be a form-packed seal, a stuffing box seal, an expansion ring seal, or the like.

Referring to fig. 1 and 5, in some embodiments, the top of the housing 1 is provided with an infusion port 14, and the infusion port 14 is in communication with the first inner cavity. The viscous medium 2 is poured into the first inner cavity through the pouring hole 14, or the viscous medium 2 in the first inner cavity is replaced, and the operation is convenient.

Referring to fig. 1 and 5, in some embodiments, the housing 1 includes an upper cover 15, a bottom plate 16, and a side wall 17 forming a closed loop structure, the upper cover 15 is mounted on the top of the side wall 17, the bottom plate 16 is mounted on the bottom of the side wall 17, and the outer circumference of the partition 11 is connected with the inner wall surface of the side wall 17. The bottom plate 16 of the shell 1 is used for being connected with a lower building component, the first opening and the pouring hole 14 are installed on the upper end cover 15, static sealing elements 18 are arranged at the joint of the upper end cover 15 and the side wall 17 and the joint of the partition plate 11 and the side wall 17, and leakage of the viscous medium 2 is avoided. It is understood that the static seal 18 may employ a seal ring, a gasket, or the like.

In some embodiments, the viscosity of the viscous medium 2 is not less than 300000mPa · s, which is high, increasing the vertical dissipation performance of the dissipation device.

The number of the damping mechanisms 3 can be flexibly arranged according to the requirement of the energy consumption capacity of the energy consumer in actual use. Referring to fig. 5, in some embodiments, the damping mechanism 3 is provided in plurality, the housing 1 is provided with a plurality of first guiding holes distributed at intervals, the number of the first guiding holes is the same as that of the damping mechanism 3, and the first transmission member 31 of the damping mechanism 3 correspondingly penetrates through the first guiding holes. The energy consumption capacity of the energy dissipater is adjusted by increasing or decreasing the number of the damping mechanisms 3, the energy dissipation capacity of the energy dissipater is flexibly set, the use requirements of different occasions are met, and the flexibility and the practicability are high.

The top of the screw rod can be directly connected with the wall surface of the external building component or can be connected with the external building component through a connecting plate. Referring to fig. 1 and 2, in some embodiments, the energy consumer further comprises a first connecting plate 5, and the first transmission member 31 is mounted to the bottom of the first connecting plate 5. The first connection plate 5 is intended to be connected to the upper building structure in order to transmit external vertical forces to the first transmission member 31. When a plurality of damping mechanisms 3 are used, each first transmission part 31 is connected with the first connecting plate 5, so that the connection with an external building element is realized, and the installation is convenient.

In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. An energy consumer, comprising:

a damping mechanism comprising:

2. The energy consumer according to claim 1, wherein: the first transmission part comprises a screw rod, the second transmission part comprises a nut, and the nut is sleeved outside the screw rod.

3. The energy consumer according to claim 2, characterized in that: the flow blocking component comprises a plurality of flow blocking parts, the flow blocking parts are distributed on the periphery of the nut in a divergent mode, and a plurality of energy consumption holes distributed at intervals are formed in the flow blocking parts.

4. The energy consumer according to claim 3, wherein: the flow resisting part comprises a damping plate, and the energy consumption hole penetrates through the damping plate along the thickness direction of the damping plate.

5. The energy consumer according to claim 2, characterized in that: and an elastic resetting part is arranged at the bottom of the screw rod, and the bottom of the elastic resetting part is connected with the shell.

6. The energy consumer according to claim 5, wherein: be equipped with the baffle in the inner chamber, the baffle will first inner chamber and second inner chamber are separated into to the inner chamber, first inner chamber is located the top of second inner chamber, viscous medium is located in the first inner chamber, elasticity reset block is located in the second inner chamber, be equipped with the second guiding hole on the baffle, the screw rod passes in proper order first guiding hole, first inner chamber and second guiding hole, and stretch into connect behind the second inner chamber in elasticity reset block, the casing in the periphery of first guiding hole and second guiding hole all is equipped with the seal groove, be equipped with the dynamic seal spare in the seal groove.

7. The energy consumer according to claim 6, wherein: the top of casing is equipped with the filling opening, the filling opening with first inner chamber intercommunication.

8. The energy consumer according to claim 1, wherein: the damping mechanism is provided with a plurality of, the casing is provided with a plurality of interval distribution first guiding hole, the quantity of first guiding hole with damping mechanism's quantity is the same, damping mechanism's first drive unit corresponds and passes first guiding hole.

9. The energy consumer according to claim 1 or 8, characterized in that: the transmission mechanism further comprises a first connecting plate, and the first transmission component is mounted at the bottom of the first connecting plate.

10. The energy consumer according to claim 1, wherein: the viscosity of the viscous medium is not less than 300000 mPas.