CN215055879U

CN215055879U - Friction pendulum vibration and shock double-control device

Info

Publication number: CN215055879U
Application number: CN202120891942.9U
Authority: CN
Inventors: 汪大洋; 梅灿; 周云
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 a friction pendulum shakes two controlling means, the rolling member is installed between upper bracket and undersetting, and first connecting plate is located the top of second connecting plate to be connected with the undersetting, the elastic expansion part can be followed vertical flexible, and be connected between first connecting plate and second connecting plate. When the friction pendulum vibration double-control device is acted by a transverse force, the upper support and the lower support are transversely displaced relative to each other under the action of the rolling piece, and the friction pendulum assembly plays a transverse damping role to prevent the elastic telescopic part from being acted by the transverse force. When the friction pendulum vibration double control device is acted by a vertical force, the friction pendulum assembly plays a role in transmitting vertical vibration and is subjected to vertical vibration isolation by the elastic telescopic part, the purpose of decoupling vertical and transverse acting forces is achieved, bidirectional movement does not interfere with each other, the problem that horizontal vibration and vertical vibration scales are different is solved, and controllability and applicability are enhanced.

Description

Friction pendulum vibration and shock double-control device

Technical Field

The utility model is used for building element technical field especially relates to a friction shimmy shake two accuse devices.

Background

The vibration isolation/shock absorption support is equivalent to a combination of a vertical vibration isolation element and a horizontal vibration absorption element in terms of structure, and is widely applied to vibration absorption and shock absorption of building structures along the lines of subways, viaducts and the like. The vibration isolation/shock support provides the vibration isolation effect through vertical vibration isolation component, and the structure earthquake moves and provides the shock attenuation effect by the shock attenuation component, reaches the impact of alleviating the external load, reduces the structure vibration, protects the purpose of structure safety. However, in practical application, the vertical vibration isolation element and the horizontal vibration isolation element of the vibration isolation/vibration support bear vertical vibration and seismic vibration at the same time, so that a single element serves multiple roles, the stress analysis and the overall structure design of each element become complicated and difficult, the controllability is poor, and the application of the vibration isolation/vibration support in the fields of nuclear power turbines, high-rise buildings and the like is also limited.

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 a friction shimmy two accuse devices that shake, it can the vertical and horizontal effort of decoupling zero, two-way motion mutually noninterfere, controllability and suitability reinforcing.

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

a friction shimmy dual control device comprising:

the friction pendulum assembly comprises an upper support, a lower support and a rolling element, wherein the rolling element is arranged between the upper support and the lower support, the bottom of the upper support is provided with a first curved surface, the top of the lower support is provided with a second curved surface, the first curved surface and the second curved surface are oppositely arranged, the top of the rolling element is provided with a third curved surface, the bottom of the rolling element is provided with a fourth curved surface, the rolling element is in contact with the first curved surface through the third curved surface and is in contact with the second curved surface through the fourth curved surface, the first curved surface and the third curved surface have the same curvature radius, and the second curved surface and the fourth curved surface have the same curvature radius;

the elastic telescopic assembly comprises a first connecting plate, a second connecting plate and a plurality of elastic telescopic parts, wherein the first connecting plate is located above the second connecting plate and connected with the lower support, and the elastic telescopic parts can stretch vertically and are connected between the first connecting plate and the second connecting plate.

In combination with the above implementation manner, in certain implementation manners of the present invention, the bottom of the upper support is provided with a first groove, the first groove is provided with a first wear-resistant plate, and the bottom of the first wear-resistant plate is formed with the first curved surface.

In combination with the above implementation manner, in certain implementation manners of the present invention, the top of the lower support is provided with the second groove, the second wear-resistant plate is arranged in the second groove, and the top of the second wear-resistant plate is formed with the second curved surface.

In combination with the above implementation manner, in certain implementation manners of the present invention, the top of the upper support is provided with a third connecting plate.

In combination with the above implementations, in certain implementations of the present invention, the elastic expansion member includes a coil spring.

In combination with the above implementation manner, in certain implementation manners of the present invention, a plurality of coil springs are disposed between the first connecting plate and the second connecting plate.

One of the above technical solutions has at least one of the following advantages or beneficial effects: the friction, shimmy and vibration double control device is arranged between the upper building element and the lower building element. When the friction pendulum vibration double-control device is acted by a transverse force, the upper support and the lower support are transversely displaced relative to each other under the action of the rolling piece, and the friction pendulum assembly plays a transverse damping role to prevent the elastic telescopic part from being acted by the transverse force. When the friction pendulum vibration double control device is acted by a vertical force, the friction pendulum assembly plays a role in transmitting vertical vibration and is subjected to vertical vibration isolation by the elastic telescopic part, the purpose of decoupling vertical and transverse acting forces is achieved, bidirectional movement does not interfere with each other, the problem that horizontal vibration and vertical vibration scales are different is solved, and controllability and applicability are enhanced.

Drawings

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

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an exploded view of one embodiment of FIG. 1;

FIG. 3 is a schematic view of the rolling elements of one embodiment of FIG. 1 in an initial state;

fig. 4 is a schematic view showing a rolling member of one embodiment shown in fig. 1 in a rolling state.

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 and 2, an embodiment of the present invention provides a friction pendulum vibration dual control device, which includes a friction pendulum assembly and an elastic telescopic assembly. The friction pendulum assembly comprises an upper support 11, a lower support 12 and a rolling element 13, wherein the rolling element 13 is installed between the upper support 11 and the lower support 12, the bottom of the upper support 11 is provided with a first curved surface 111 and is recessed upwards, the top of the lower support 12 is provided with a second curved surface 121 and is recessed downwards, the first curved surface 111 and the second curved surface 121 are arranged oppositely, and an installation space 14 for accommodating the rolling element 13 is formed between the first curved surface 111 and the second curved surface 121. The upper support 11 is intended to be connected to an upper building element.

Referring to fig. 2 to 4, the top of the rolling member 13 has a third curved surface 131, the bottom of the rolling member 13 has a fourth curved surface 132, and the rolling member 13 is in contact with the first curved surface 111 through the third curved surface 131 and in contact with the second curved surface 121 through the fourth curved surface 132, thereby performing rolling. The first curved surface 111 and the third curved surface 131 have the same radius of curvature and the second curved surface 121 and the fourth curved surface 132 have the same radius of curvature, ensuring that the rolling member 13 can roll in any horizontal direction with respect to the upper and

lower carriages

11 and 12.

The elastic telescopic assembly comprises a first connecting plate 21, a second connecting plate 22 and a plurality of elastic telescopic parts 23, wherein the first connecting plate 21 is located above the second connecting plate 22 and connected with the lower support 12, and the elastic telescopic parts 23 can stretch vertically and are connected between the first connecting plate 21 and the second connecting plate 22 to play a vertical damping role. The second connection plate 22 is intended to be connected to a lower building element. Wherein vertical is understood to be the up-down direction as shown in fig. 1.

The friction, shimmy and vibration double control device is arranged between the upper building element and the lower building element. When the friction pendulum vibration double control device is acted by a transverse force, the upper support 11 and the lower support 12 are transversely displaced relatively under the action of the rolling piece 13, and the friction pendulum assembly plays a transverse damping role to prevent the elastic telescopic part 23 from being acted by the transverse force. When the double control device for the friction pendulum vibration and the vibration is acted by a vertical force, the friction pendulum assembly plays a role in transmitting the vertical vibration and carries out vertical vibration isolation by the elastic telescopic part 23 to achieve the purpose of decoupling the vertical and the transverse acting forces, the two-way motion is not interfered with each other, the problem of different sizes of the horizontal vibration and the vertical vibration is solved, and the controllability and the applicability are enhanced.

Referring to fig. 3 and 4, in some embodiments, the bottom of the upper seat 11 is provided with a first groove, the first groove is provided with a first wear plate 31 therein, and the bottom of the first wear plate 31 is formed with a first curved surface 111. The first wear-resisting plate 31 has high wear resistance, and the upper support 11 is in direct contact with the tops of the rolling elements 13 through the first wear-resisting plate 31, so that the upper support 11 is prevented from being worn, and the service life of the device is prolonged.

Referring to fig. 3 and 4, in some embodiments, the top of the lower support 12 is provided with a second recess, a second wear plate 32 is disposed in the second recess, and the top of the second wear plate 32 is formed with a second curved surface 121. The second wear-resisting plate 32 has high wear resistance, and the lower support 12 is in direct contact with the bottoms of the rolling elements 13 through the second wear-resisting plate 32, so that the lower support 12 is prevented from being worn, and the service life of the device is prolonged.

The elastic expansion member 23 may be a belleville spring, a coil spring, a ring spring, a tension spring, or the like. Referring to fig. 1 and 2, in some embodiments, the elastic expansion member 23 includes a coil spring having a strong elastic restoring capability, suitable for use in a shock-absorbing environment, and convenient to install.

In some embodiments, a plurality of spaced coil springs are disposed between the first connecting plate 21 and the second connecting plate 22 to improve the vertical damping capacity of the device. The number and the specific distribution positions of the spiral springs can be set according to actual conditions, and the spiral springs can be arranged in an annular shape, a rectangular shape or an irregular shape.

Referring to fig. 1 and 2, in some embodiments, a third connecting plate 15 is disposed at the top of the upper support 11, the upper support 11 is connected to the upper building component through the third connecting plate 15, and a worker can adjust the size of the third connecting plate 15 according to actual installation conditions, so as to facilitate installation.

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. A friction shimmy shake double control device which is characterized by comprising:

2. The apparatus according to claim 1, wherein a first recess is formed in a bottom of the upper support, a first wear plate is disposed in the first recess, and the first curved surface is formed on a bottom of the first wear plate.

3. The apparatus according to claim 1, wherein a second recess is formed at a top of the lower support, a second wear plate is disposed in the second recess, and the second curved surface is formed at a top of the second wear plate.

4. The apparatus according to claim 1, wherein a third connecting plate is disposed on the top of the upper support.

5. The apparatus of claim 1, wherein the elastic expansion member comprises a coil spring.

6. The apparatus of claim 5, wherein a plurality of spaced coil springs are disposed between the first and second connecting plates.