CN217602258U

CN217602258U - Combined damper

Info

Publication number: CN217602258U
Application number: CN202220642777.8U
Authority: CN
Inventors: 潘文; 滕清华
Original assignee: Kunming University of Science and Technology
Current assignee: Kunming University of Science and Technology
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-10-18
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a combined damper, which comprises an upper yoke plate, a base plate, an outer shell, a solid ball, an upper group damping device and a lower group damping device; wherein, install the shell body on the base plate, shell body open-top, from up installing damping device, solid sphere, lower damping device, last yoke plate in proper order down in the shell body, go up the yoke plate and expose from shell body open-top. The device can be used for earthquake resistance and disaster reduction of buildings, and has simple structure and convenient installation; the device can be connected with the upper device and the lower device through the solid ball, so that the energy dissipation and the shock absorption can be compressed and stretched when the device is vibrated; when the vertical dynamic load is large, the bidirectional elastic deformation of the butterfly spring is symmetrical, and the compression deformation energy consumption effect of the butterfly spring is not influenced by the change of the positive direction and the negative direction of the load; the device can drive the blades to rotate in the oil cylinder through the driving device to generate viscous 28399for damping and consuming energy.

Description

Combined damper

Technical Field

The utility model relates to a modular attenuator belongs to civil engineering technical field.

Background

The earthquake is caused by the mutual extrusion and collision between plates on the earth, so that the dislocation and the fracture are generated at the edges of the plates and in the plates, and the earthquake is an uncontrollable natural phenomenon. The current scientific and technological level can only detect the earthquake shock wave within dozens of seconds before the shock wave reaches the ground, and personal safety and property safety cannot be protected. Therefore, it is necessary to adopt seismic isolation and reduction technology to ensure the integral integrity of the building structure, prevent the damage of non-structural components and avoid the damage of the internal structure and facilities of the building and the secondary disasters caused by the damage.

Disclosure of Invention

The utility model provides a combined damper to be used for constructing the damper for building through reasonable constitution and connection.

The technical scheme of the utility model is that: a combined damper comprises an upper yoke plate 1, a base plate 2, an outer shell 4, solid balls 5, an upper group of damping devices A and a lower group of damping devices B; wherein, install shell body 4 on the

base plate

2, 4 open-tops of shell body, from up installing damping device A of group, solid sphere 5, lower damping device B of group, last yoke plate 1 down in proper order in the shell body 4, go up yoke plate 1 and expose from 4 open-tops of shell body.

Go up group damping device A and lower damping device B structure the same, all include first ladder damping device, second ladder damping device, first ladder damping device one end, second ladder damping device one end is connected with solid sphere 5, the first ladder damping device other end is connected with second ladder damping device, the second ladder damping device other end of last group damping device A is connected with last yoke plate 1, the second ladder damping device other end and the shell body 4 of lower group damping device B are connected.

The first step damping device comprises two upper guide tubes 12 and a metal belleville spring 6; one end of the whole body, which is formed by sequentially connecting the first upper guide pipe 12, the group of metal belleville springs 6 and the second upper guide pipe 12, is fixedly connected with the solid ball 5, and the other end of the whole body is fixedly connected with the second step damping device.

The second step damping device comprises a metal screw rod 7, a driving device 8, a limiting device 9, a cylinder body 10, a lower guide pipe 13, blades 14 and a metal rod 16; the metal spiral rod 7 penetrates through the first step damping device and the driving device 8, one end of the metal spiral rod 7 is fixedly connected with the solid ball 5, and one end, far away from the solid ball 5, of the metal spiral rod 7 is fixedly connected with the limiting device 9 located in the lower guide tube 13; the first step damping device is fixedly connected with one end of an outer seat body of the driving device 8, one end of a lower guide pipe 13 extends into the outer seat body of the driving device 8, the other end of the lower guide pipe is fixedly connected with an inner rotating body of the driving device 8, the other end of the lower guide pipe 13 is fixedly connected with one end of a metal rod 16, a cylinder body 10 is filled with damping materials, and the other end of the metal rod 16 extending into the cylinder body 10 is provided with a blade 14; the cylinder 10 of the upper group damping device A is embedded into the upper connecting plate 1, and the cylinder 10 of the lower group damping device B is connected with the inner bottom surface of the outer shell 4 through rubber 11.

The utility model has the advantages that:

1. the device can be used for earthquake resistance and disaster reduction of buildings, and is simple in structure and convenient to install;

2. the device can be connected with the upper device and the lower device through the solid balls, so that the energy dissipation and the shock absorption can be compressed and stretched when the device is vibrated;

3. when the vertical dynamic load is large, the bidirectional elastic deformation of the butterfly spring is symmetrical, and the compression deformation energy consumption effect of the butterfly spring is not influenced by the change of the positive direction and the negative direction of the load;

4. the device can drive the blades to rotate in the oil cylinder through the driving device to generate the viscous damping 28399and consume energy.

Drawings

Fig. 1 is a schematic view of the appearance structure of the present invention;

FIG. 2 is an internal structural view of the present invention;

FIG. 3 is a schematic view of the appearance structure of the shock absorbing device of the present invention;

fig. 4 is a cross-sectional view of the present invention;

FIG. 5 is a schematic view of a metal screw according to the present invention;

in the figure: 1-upper connecting plate, 2-base plate, 3-mounting hole, 4-outer shell, 5-solid ball, 6-belleville spring, 7-metal screw rod, 8-driving device, 9-limiting device, 10-cylinder, 11-rubber, 12-upper guide tube, 13-lower guide tube, 14-blade, 15-bearing, 16-metal rod, A-upper group damping device and B-lower group damping device.

Detailed Description

Example 1: as shown in fig. 1 to 5, a combined damper comprises an upper yoke plate 1, a base plate 2, an outer shell 4, solid balls 5, an upper group of damping devices a and a lower group of damping devices B; wherein, install shell body 4 on the

base plate

2, 4 open-tops of shell body, from up installing damping device A of group, solid sphere 5, lower damping device B of group, last yoke plate 1 down in proper order in the shell body 4, go up yoke plate 1 and expose from 4 open-tops of shell body. Wherein, be equipped with mounting hole 3 on the base plate 2 and be used for with the building fixed.

Further, can set up it is the same with lower damping device B structure to go up group damping device A, all includes first step damping device, second step damping device, first step damping device one end, second step damping device one end is connected with solid sphere 5, the first step damping device other end is connected with second step damping device, the second step damping device other end of going up group damping device A is connected with last yoke plate 1, the second step damping device other end of lower group damping device B is connected with shell body 4.

Further, the first step damping device may be provided to include two upper guide tubes 12 and a metal belleville spring 6; the integral end of the first upper guide pipe 12, the group of metal belleville springs 6 and the second upper guide pipe 12 which are sequentially connected is fixedly connected with the solid ball 5 by welding, and the other end of the integral is fixedly connected with the second step damping device by welding. Wherein, the metal butterfly spring 6, the shape of the metal butterfly spring 6 is like a bowl dish, which is formed by stacking a plurality of metal butterfly springs to provide enough elastic extension. Still further, the two upper guide tubes 12 and the metal belleville spring 6 may be an integral structure.

Further, the second step damping device can be arranged to comprise a metal screw rod 7, a driving device 8, a limiting device 9, a cylinder body 10, a lower guide pipe 13, a blade 14 and a metal rod 16; the metal spiral rod 7 penetrates through the first step damping device and the driving device 8, one end of the metal spiral rod 7 is fixedly connected with the solid ball 5 through welding, and one end, far away from the solid ball 5, of the metal spiral rod 7 is fixedly connected with the limiting device 9 through welding; the first step damping device is fixedly connected with one end of an outer seat body of the driving device 8 through welding, one end of a lower guide pipe 13 extends into the other end of the outer seat body of the driving device 8 and is fixedly connected with an inner rotating body of the driving device 8 through welding, the other end of the lower guide pipe 13 is fixedly connected with one end of a metal rod 16 through welding, a damping material is filled in the cylinder body 10, and the other end of the metal rod 16 extending into the cylinder body 10 is provided with a blade 14; the cylinder 10 of the upper group damping device A is embedded into the upper connecting plate 1 and fixed by friction welding, and the cylinder 10 of the lower group damping device B is connected with the bottom surface of the inner side of the outer shell 4 through laminated rubber 11. Furthermore, the lower guide tube 13 and the metal rod 16 can be integrated, the matching part of the metal rod 16 and the cylinder body 10 can be connected through a bearing 15, the cylinder body 10, the metal rod 16 and the bearing 15 are coaxial, the metal rod 16 is provided with a notch, the clamping piece of the blade 14 is combined with the notch of the metal rod 16, and the gap between the blade 14 and the metal rod 16 is reduced through welding; the metal screw rod 7 is a cylinder, the outer surface of which is cut with a spiral groove, high wear-resistant corrosion-resistant alloy steel 31CrMo1 is adopted, and then the surface of the screw rod 7 is sprayed with Xaloy alloy with high wear-resistant corrosion-resistant performance. The driving device 8 comprises an outer seat body and an inner rotating body positioned in the outer seat body, wherein a bayonet at the upper part of the outer seat body is used for being fixed with a second upper guide pipe 12 in the first step damping device, a track in the inner rotating body is matched with the metal screw rod 7, and the inner rotating body is fixed with one end of a lower guide pipe 13 and used for driving the lower guide pipe 13 to rotate along with the inner rotating body (further, the track in the inner rotating body is not attached to the metal screw rod 7 in order to ensure that the lower guide pipe 13 rotates smoothly); the limiting device 9 is positioned in the lower guide pipe 13, the outer surface of the limiting device 9 and the inner part of the lower guide pipe 13 are smooth, and the metal screw rod 7 can be ensured to move stably.

The utility model discloses a theory of operation is:

when a dynamic load acts on the upper yoke plate 1, the force is transmitted in sequence along the first step damping device and the second step damping device in the upper group damping device A and the lower group damping device B. Here, since the upper and lower group damper devices have the same damping principle and the text is long and cumbersome, only the operation principle of the lower group damper device B will be described below.

The solid ball 5 is connected with the upper group damping device A and the lower group damping device B, and force is transmitted to the solid ball 5 through the upper group damping device A. And then the solid ball 5 is connected to the disc spring 6 along the upper guide pipe 12 in the lower group damping device B, so that a first section of stepped damping device consumes energy due to the performance of the disc spring.

A metal screw rod 7 extends through the first step damper and the drive means 8. When the force is transmitted to the first step damping device, the metal screw rod 7 is also stressed to drive the driving device 8 to rotate along the twisting direction of the spiral groove cut on the outer surface of the metal screw rod 7, so as to drive the lower guide pipe 13 fixedly connected with the rotating body in the driving device 8 to rotate.

The lower guide pipe 13 rotates to drive the metal rod 16 to rotate through the bearing 15, the blades 14 on the metal rod 16 divide the cylinder body into a plurality of spaces, when the metal rod 16 of the rotor rotates, the volumes of the spaces are changed continuously, and the generated motion friction energy can be effectively converted into heat through the liquid damping material, so that energy consumption is achieved. Thereby forming a second section of the ladder damping device to dissipate energy. The size and number of the blades 14 can be changed according to construction requirements to improve energy consumption performance.

While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A combined damper is characterized in that: the damping device comprises an upper yoke plate (1), a base plate (2), an outer shell (4), solid balls (5), an upper group of damping devices (A) and a lower group of damping devices (B); wherein, install shell body (4) on base plate (2), shell body (4) open-top, from up installing damping device (A), solid sphere (5), lower damping device (B) of group, last yoke plate (1) down in shell body (4) in proper order, go up yoke plate (1) and expose from shell body (4) open-top.

2. The modular damper of claim 1, wherein: go up damping device (A) of organizing and organize damping device (B) structure down the same, all include first ladder damping device, second ladder damping device, first ladder damping device one end, second ladder damping device one end is connected with solid sphere (5), the first ladder damping device other end is connected with the second ladder damping device, the second ladder damping device other end of last damping device (A) of organizing is connected with last yoke plate (1), the second ladder damping device other end of lower damping device (B) of organizing is connected with shell body (4).

3. The combination damper of claim 2, wherein: the first step damping device comprises two upper guide pipes (12) and a metal belleville spring (6); the first upper guide pipe (12), the group of metal belleville springs (6) and the second upper guide pipe (12) are sequentially connected, one end of the whole body is fixedly connected with the solid ball (5), and the other end of the whole body is fixedly connected with the second step damping device.

4. The modular damper of claim 2, wherein: the second step damping device comprises a metal spiral rod (7), a driving device (8), a limiting device (9), a cylinder body (10), a lower guide pipe (13), blades (14) and a metal rod (16); the metal screw rod (7) penetrates through the first step damping device and the driving device (8), one end of the metal screw rod (7) is fixedly connected with the solid ball (5), and one end, far away from the solid ball (5), of the metal screw rod (7) is fixedly connected with a limiting device (9) located in the lower guide pipe (13); the first-step damping device is fixedly connected with one end of an outer seat body of the driving device (8), one end of a lower guide pipe (13) extends into the outer seat body of the driving device (8), the other end of the lower guide pipe (13) is fixedly connected with an inner rotating body of the driving device (8), the other end of the lower guide pipe (13) is fixedly connected with one end of a metal rod (16), a cylinder body (10) is filled with damping materials, and the other end of the metal rod (16) extending into the cylinder body (10) is provided with a blade (14); the cylinder body (10) of the upper group of damping devices (A) is embedded into the upper connecting plate (1), and the cylinder body (10) of the lower group of damping devices (B) is connected with the bottom surface of the inner side of the outer shell (4) through rubber (11).