CN211850119U

CN211850119U - Damping device of civil engineering structure

Info

Publication number: CN211850119U
Application number: CN202020514574.1U
Authority: CN
Inventors: 武伟宾
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-11-03
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a damping device of civil engineering structure, which comprises a base, a mounting plate, a damping body with split structure and a top plate, wherein the damping body comprises a lower body and an upper body which are connected together in a sliding way, the top surface of the upper body is connected on the top plate, the lower body is connected on the top surface of the mounting plate, and the mounting plate is connected on the base through a bolt; a first steel plate and a second steel plate are arranged in a hollow cavity of the damping body, the bottom surface of the first steel plate is fixedly connected with the second steel plate, and a double-spring damping structure is arranged between the top plate and the first steel plate; the bottom surface of the second steel plate is a spherical surface, a plurality of rolling balls are arranged between the bottom surface of the second steel plate and the lower body, and the diameters of the rolling balls are gradually increased from the center to the edge. The utility model discloses think about ingenious, compact structure is reasonable, and multiple shock-absorbing structure is collected together, has realized the cushioning effect in multi-direction, has improved the shock attenuation effect.

Description

Damping device of civil engineering structure

Technical Field

The utility model relates to a damping device technical field especially relates to a damping device of civil engineering structure.

Background

The damping device plays a very important role in civil engineering, both in technical activities and in engineering works. However, the existing civil engineering damping device still has certain defects in structure, the existing damping device mostly adopts a single damping spring for buffering, and the buffering effect is single and not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a damping device of civil engineering structure solves prior art but with the unsatisfactory problem of single spring shock attenuation effect.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a damping device of civil engineering structure, including base, mounting panel, the shock attenuation body and the roof of components of a whole that can function independently structure, the shock attenuation body includes lower body and upper body, lower body and upper body sliding connection are in the same place, the top surface of upper body is connected on the roof, lower body is connected on the top surface of mounting panel, the mounting panel passes through bolted connection on the base; a first steel plate and a second steel plate are arranged in the hollow cavity of the damping body, the bottom surface of the first steel plate is fixedly connected with the second steel plate, and a double-spring damping structure is arranged between the top plate and the first steel plate; the bottom surface of the second steel plate is a spherical surface, a plurality of rolling balls are arranged between the bottom surface of the second steel plate and the lower body, and the diameters of the rolling balls are gradually increased from the center to the edge.

Preferably, the double-spring damping structure comprises a first spring and a plurality of second springs, a lower central column is arranged on the top surface of the first steel plate, an upper central column is arranged on the bottom surface of the top plate, the top surface of the lower central column is embedded into the upper central column, and the first spring is installed between the lower central column and the upper central column; a plurality of second springs are arranged between the top plate and the first steel plate, and the second springs are symmetrically distributed on the periphery of the upper center column.

Preferably, a plurality of spring positioning columns are arranged on the bottom surface of the top plate or the top surface of the first steel plate, and the second springs are sleeved on the spring positioning columns.

Preferably, when the lower body and the upper body are set to be circular, the second springs are provided with a plurality of circular uniform distribution.

Preferably, the bottom of going up the body is provided with the screw hole, the top of body is provided with runway type through-hole down, the bottom of going up the body is embedded into screw the location through connecting bolt behind the inner chamber of body down, connecting bolt runs through screw behind the runway type through-hole and connect in the screw hole of last body.

Preferably, the bottom surface of the mounting plate is provided with a protrusion, the protrusion is embedded into the groove of the base, and a gap is formed between the protrusion and the groove.

Preferably, a buffering rubber mat is arranged on the top surface of the top plate.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model relates to a damping device of civil engineering structure, including base, mounting panel, the shock attenuation body and the roof of components of a whole that can function independently structure, the shock attenuation body includes body and last body down, is provided with first steel sheet and second steel sheet in the cavity of shock attenuation body, sets up to dual spring shock-absorbing structure between roof and the first steel sheet. Firstly, when an earthquake is stressed through the connection of the lower body and the upper body, the top plate moves downwards to play a role in buffering under the action of the double-spring damping structure; secondly, the spherical surface at the bottom of the second steel plate is matched with the rolling ball, so that the first steel plate and the top plate can be driven to move towards any horizontal direction, the vibration in the horizontal direction can be favorably reduced, and meanwhile, the horizontal direction can only slightly move due to the hemispherical structure of the second steel plate, so that the stability of the damping device is ensured; moreover, the bulge on the mounting plate is matched with the groove on the base, and a gap is formed between the bulge and the groove, so that the shock-absorbing structure can play a role in buffering during an earthquake, and further reduces the damage of the earthquake to buildings. Generally speaking, the utility model discloses think about ingenious, compact structure is reasonable, and multiple shock-absorbing structure is put together, has realized the cushioning effect in multi-direction, has improved the shock attenuation effect.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is a front view of a shock absorber of civil engineering structure of the invention; (section view)

FIG. 2 is a left side view of the shock absorbing device of the civil engineering structure of the present invention;

description of reference numerals: 1. a base; 101. a groove; 2. mounting a plate; 201. a protrusion; 3. a lower body; 301. a racetrack-type through hole; 4. an upper body; 5. a top plate; 6. an upper central column; 7. a first spring; 8. a second spring; 9. a lower central column; 10. a connecting bolt; 11. a first steel plate; 12. a second steel plate; 13. a rolling ball.

Detailed Description

As shown in fig. 1-2, a damping device of a civil engineering structure comprises a base 1, a mounting plate 2, a damping body of a split structure and a top plate 5, wherein the damping body comprises a lower body 3 and an upper body 4, the lower body 3 and the upper body 4 are connected together in a sliding manner, the top surface of the upper body 4 is connected to the top plate 5, the lower body 3 is connected to the top surface of the mounting plate 2, and the mounting plate 2 is connected to the base 1 through bolts; a first steel plate 11 and a second steel plate 12 are arranged in a hollow cavity of the damping body, the bottom surface of the first steel plate 11 is fixedly connected with the second steel plate 12 through welding or bolts, and a double-spring damping structure is arranged between the top plate 5 and the first steel plate 11; the bottom surface of the second steel plate 12 is a spherical surface, a plurality of rolling balls 13 are arranged between the bottom surface of the second steel plate 12 and the lower body 3, the diameters of the rolling balls 13 are gradually increased from the center to the edge, and the structure can realize movement in any direction during an earthquake to play a role in buffering. Specifically, the bottom of going up body 4 is provided with the screw hole, the top of body 3 is provided with runway type through-hole 301 down, the bottom of going up body 4 is embedded into screw the location through connecting bolt 10 behind the inner chamber of body 3 down, connecting bolt 10 runs through screw behind runway type through-hole 301 and connect in going up the threaded hole of body 4, during the earthquake, go up body 4 and drive the roof downstream, realize the location direction in runway type through-hole 301 through connecting bolt 10 through connection in the removal process.

Specifically, the double-spring damping structure comprises a first spring 7 and a plurality of second springs 8, a lower central column 9 is welded or bolted on the top surface of a first steel plate 11, an upper central column 6 is welded or bolted on the bottom surface of the top plate 5, the top surface of the lower central column 9 is embedded into the upper central column 6, the first spring 7 is installed between the lower central column 9 and the upper central column 6, and the first spring 7 can be a disc spring; a plurality of second springs 8 are arranged between the top plate 5 and the first steel plate 11, and the second springs 8 are symmetrically distributed on the periphery of the upper central column 6. The design of double spring shock-absorbing structure has further improved the ascending buffering effect of vertical direction when this damping device uses.

Specifically, a plurality of spring positioning columns are arranged on the bottom surface of the top plate 5 or the top surface of the first steel plate 11 and welded to the bottom surface of the top plate 5 or the top surface of the first steel plate 11 through bolts, the second spring 8 is sleeved on the spring positioning columns, and the second spring 8 specifically adopts a coil spring. Specifically, the installation of second spring 8 can adopt one end suit on the spring positioning column, and in the circular constant head tank was embedded into to the other end, can also both ends set up the spring positioning column simultaneously to pop out when preventing the spring compression, the effectual stability of guaranteeing the use.

In another embodiment, when the lower body 3 and the upper body 4 are arranged in a circular shape, the second springs 8 are arranged in a plurality and are circumferentially and uniformly distributed. In another embodiment, a cushion rubber pad may be added between the first steel plate 11 and the second steel plate 12.

Be provided with arch 201 on the bottom surface of mounting panel 2, arch 201 imbeds in the recess 101 of base 1, arch 201 with there is the clearance between the recess 101. And a gap is formed between the two, so that the earthquake-proof wall can play a role of buffering during earthquake, and further reduces the damage of the earthquake to buildings.

When the device is used, the top surface of the top plate 5 can be provided with a buffer rubber mat, so that a certain buffer effect is achieved under the condition of ensuring the connection tightness with a building.

The working process of the utility model is as follows:

when the device is used, the base 1 and the top plate 5 are connected with an external structure, for example, the base 1 and the top plate 5 are both connected with a supporting steel column, or the base 1 is fixed on the ground, and the top plate 5 is connected with the supporting steel column; when the damping device is subjected to external force, damping and buffering can be carried out.

The utility model discloses a double spring shock-absorbing structure between roof 5 and first steel sheet 11 obtains fine shock attenuation effect, and the first spring in the double spring shock-absorbing structure is belleville spring, and its rigidity is big, and buffering shock-absorbing capacity is strong, can bear big load with little deformation for the structure obtains stronger buffering, constitutes the multi-spring axial shock-absorbing system with the second spring jointly simultaneously, makes the atress in the axial obtain obvious buffering; in addition, the bottom spherical surface of the second steel plate 12 is matched with the rolling balls 13, the structure can move in any direction when an earthquake occurs, the buffering effect is achieved, the circumferential retraction and release are achieved, the buffering effect is achieved in the circumferential direction, finally the damping device is enabled to generate the multi-directional buffering effect, and the damping effect is greatly improved.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a damping device of civil engineering structure which characterized in that: the shock absorption device comprises a base (1), a mounting plate (2), a shock absorption body with a split structure and a top plate (5), wherein the shock absorption body comprises a lower body (3) and an upper body (4), the lower body (3) and the upper body (4) are connected together in a sliding manner, the top surface of the upper body (4) is connected to the top plate (5), the lower body (3) is connected to the top surface of the mounting plate (2), and the mounting plate (2) is connected to the base (1) through bolts; a first steel plate (11) and a second steel plate (12) are arranged in a hollow cavity of the damping body, the bottom surface of the first steel plate (11) is fixedly connected with the second steel plate (12), and a double-spring damping structure is arranged between the top plate (5) and the first steel plate (11); the bottom surface of the second steel plate (12) is a spherical surface, a plurality of rolling balls (13) are arranged between the bottom surface of the second steel plate (12) and the lower body (3), and the diameters of the rolling balls (13) are gradually increased from the center to the edge.

2. A shock-absorbing device of a civil engineering structure as claimed in claim 1, characterized in that: the double-spring damping structure comprises a first spring (7) and a plurality of second springs (8), a lower central column (9) is arranged on the top surface of a first steel plate (11), an upper central column (6) is arranged on the bottom surface of the top plate (5), the top surface of the lower central column (9) is embedded into the upper central column (6), and the first spring (7) is installed between the lower central column (9) and the upper central column (6); a plurality of second springs (8) are arranged between the top plate (5) and the first steel plate (11), and the second springs (8) are symmetrically distributed on the periphery of the upper central column (6).

3. A shock-absorbing device of a civil engineering structure as claimed in claim 2, characterized in that: the bottom surface of roof (5) or be provided with a plurality of spring reference columns on the top surface of first steel sheet (11), second spring (8) suit is in on the spring reference column.

4. A shock-absorbing device of a civil engineering structure as claimed in claim 2, characterized in that: when lower body (3) and last body (4) set up to circular, second spring (8) are provided with a plurality ofly and are the circumference equipartition.

5. A shock-absorbing device of a civil engineering structure as claimed in claim 1, characterized in that: go up the bottom of body (4) and be provided with the screw hole, the top of lower body (3) is provided with runway type through-hole (301), the bottom of going up body (4) is embedded into screw the location through connecting bolt (10) behind the inner chamber of lower body (3), connecting bolt (10) run through screw behind runway type through-hole (301) and connect in the screw hole of last body (4).

6. A shock-absorbing device of a civil engineering structure as claimed in claim 1, characterized in that: be provided with arch (201) on the bottom surface of mounting panel (2), arch (201) are embedded into in recess (101) of base (1), arch (201) with have the clearance between recess (101).

7. A shock-absorbing device of a civil engineering structure as claimed in claim 1, characterized in that: and a buffering rubber mat is arranged on the top surface of the top plate (5).