CN215210477U - Bridge structure damping device - Google Patents

Abstract

The utility model discloses a bridge structures damping device, the on-line screen storage device comprises a base, the top of base is equipped with the installing frame, the level is equipped with the backup pad directly over the installing frame, be equipped with shock-absorbing structure in the installing frame, shock-absorbing structure's the left and right sides symmetry respectively is equipped with limit structure, shock-absorbing structure includes rubber shock pad, buffer mechanism and buffering backing plate, the interior diapire of installing frame is located to rubber shock pad level, rubber shock pad is located directly over to buffering backing plate level, buffer mechanism's bottom links to each other with rubber shock pad's top, the top links to each other with the bottom of buffering backing plate, the top of buffering backing plate is connected with the spliced pole of vertical setting, the top of spliced pole links to each other with the bottom of backup pad after passing the installing frame. The utility model provides a bridge structures damping device has triple shock-absorbing function because of shock-absorbing structure, and shock-absorbing structure locates in the installing frame and is equipped with limit structure in shock-absorbing structure's both sides, therefore the shock attenuation is effectual, can prevent effectively that shock-absorbing structure from taking place the dislocation.

Description

Bridge structure damping device

Technical Field

The utility model relates to a bridge structures damping device belongs to bridge construction technical field.

Background

As one of the countries with frequent earthquakes, China makes the earthquake-resistant performance of bridges a part of the great weight in bridge design. The reasonable and effective anti-seismic measures are usually taken for the bridge, and an energy dissipation device is arranged between a main beam and a pier or a bridge tower, so that the effect of energy dissipation and vibration reduction is achieved under the condition that large additional internal force cannot be generated on the pier or the bridge tower under the condition of ensuring slow deformation such as temperature change or shrinkage and creep. In order to avoid the occurrence of bridge collapse during an earthquake, on the basis of well designing a bridge anti-seismic design, special bridge structure damping devices, such as bridge supports (namely bridge damping supports), are needed to be used for reducing the influence of the earthquake on the whole bridge structure, and when the earthquake comes, energy input during the earthquake is consumed through damping energy consumption components. However, the damping effect of the damping device of the existing bridge structure is poor, the overall stability of the damping device is poor, and the damping device is easy to be misplaced after being used for a long time, so that the upper part and the lower part of the bridge are misplaced.

SUMMERY OF THE UTILITY MODEL

The above-mentioned problem to prior art exists, the utility model aims at providing a shock attenuation is effectual, stable high, can effectively prevent that shock-absorbing structure from taking place the bridge structures damping device of dislocation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a shock-absorbing device for a bridge structure comprises a base, wherein the top of the base is provided with an installation frame, a supporting plate is horizontally arranged right above the installation frame, a damping structure is arranged in the mounting frame, the left side and the right side of the damping structure are respectively symmetrically provided with a limiting structure, one side of the limit structure is fixedly connected with the inner side wall of the mounting frame, the other side of the limit structure is detachably connected with the damping structure, the shock absorption structure comprises a rubber shock absorption pad, a buffer mechanism and a buffer base plate, the rubber shock absorption pad is horizontally arranged on the inner bottom wall of the mounting frame, the buffer backing plate is horizontally arranged right above the rubber shock pad, the bottom end of the buffer mechanism is connected with the top of the rubber shock pad, the top end of the buffer mechanism is connected with the bottom of the buffer backing plate, the top of the buffer base plate is connected with a vertically arranged connecting column, and the top end of the connecting column penetrates through the mounting frame and then is connected with the bottom of the supporting plate.

In one embodiment, the number of the buffer mechanisms is plural.

The utility model provides an embodiment, buffer gear includes protection frame and buffer spring, the top of rubber shock pad is located to the protection frame, buffer spring fixes in the protection frame, and buffer spring's top and the bottom fixed connection of buffering backing plate.

The utility model provides an embodiment, the both sides are symmetrical respectively vertically to be equipped with the baffle around shock-absorbing structure's the left and right sides, the baffle can be dismantled with the installing frame and be connected.

The utility model provides an embodiment, limit structure is including locating the mounting panel on the inside wall of installing frame, the vertical slide bar that is equipped with on the mounting panel, the slip is equipped with the slider on the slide bar, the slider links to each other with the cushion pad board.

The supporting plate comprises a plate body and a plurality of layers of reinforcing nets arranged inside the plate body, and the bottom of the plate body is connected with the top end of the connecting column.

In a preferred embodiment, the reinforcing mesh is a tin-plated copper mesh.

In one embodiment, the two ends of the bottom of the supporting plate are symmetrically provided with reinforcing structures.

The utility model provides a preferred scheme, reinforced structure includes that two are parallel to each other locate the reinforcement riser of backup pad bottom, be connected with a plurality of reinforcement diaphragms that are parallel to each other between the reinforcement riser.

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

the damping device for the bridge structure provided by the utility model has triple damping functions because the damping structure comprises the rubber damping pad, the buffering mechanism and the buffering cushion plate, so that the damping effect is good; in addition, because of shock-absorbing structure locates in the installing frame and is equipped with limit structure in shock-absorbing structure's both sides, consequently can effectively prevent that shock-absorbing structure from taking place the dislocation for damping device's overall stability is good, therefore has obvious practical value and progressive nature.

Drawings

Fig. 1 is a schematic structural view of a shock absorbing device for a bridge structure according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a bridge structure damping device provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a support plate in an embodiment of the present invention;

fig. 4 is a schematic view of a reinforcing structure in an embodiment of the invention;

the numbers in the figures are as follows: 1. a base; 2. installing a frame; 3. a support plate; 31. a plate body; 32. a reinforcing mesh; 4. a shock-absorbing structure; 41. a rubber shock pad; 42. a buffer mechanism; 421. a protective frame; 422. a buffer spring; 43. a cushion plate; 5. a limiting structure; 51. mounting a plate; 52. a slide bar; 53. a slider; 6. connecting columns; 7. a partition plate; 8. reinforcing the structure; 81. reinforcing the vertical plate; 82. and (5) reinforcing the transverse plate.

Detailed Description

The technical solution of the present invention will be further clearly and completely described below with reference to the accompanying drawings and examples.

Examples

Please refer to fig. 1 to fig. 4: the damping device for the bridge structure provided by the embodiment comprises a base 1, wherein an installation frame 2 is arranged at the top of the base 1, a supporting plate 3 is horizontally arranged right above the installation frame 2, a damping structure 4 is arranged in the installation frame 2, limiting structures 5 are symmetrically arranged on the left side and the right side of the damping structure 4 respectively, one side of each limiting structure 5 is fixedly connected with the inner side wall of the installation frame 2, the other side of each limiting structure 5 is detachably connected with the damping structure 4, the damping structure 4 comprises a rubber damping pad 41, a buffering mechanism 42 and a buffering base plate 43, the rubber damping pad 41 is horizontally arranged on the inner bottom wall of the installation frame 2, the buffering base plate 43 is horizontally arranged right above the rubber damping pad 41, the bottom end of the buffering mechanism 42 is connected with the top of the rubber damping pad 41, the top end of the buffering mechanism 42 is connected with the bottom of the buffering base plate 43, the top of the buffer backing plate 43 is connected with a vertically arranged connecting column 6, and the top end of the connecting column 6 penetrates through the mounting frame 2 and then is connected with the bottom of the supporting plate 3.

The use method of the bridge structure damping device is as follows:

firstly, fixing a base 1 at a proper position, then attaching a support plate 3 to a part needing to be supported in a bridge structure, and then sequentially installing other parts to complete the installation of the damping device;

when the damping device is used for damping the bridge structure, the vibration pressure borne by the bridge structure is transmitted to the supporting plate 3, the supporting plate 3 transmits the pressure to the buffer base plate 43 in the damping structure 4 through the connecting column 6, the buffer base plate 43 performs small part of damping by utilizing the compression of the buffer base plate 43 to achieve the first heavy damping, then the buffer base plate 43 transmits the pressure to the buffer mechanism 42, the buffer mechanism 42 performs most of buffer damping to achieve the second heavy damping, then the buffer mechanism 42 transmits the last part of pressure to the rubber damping pad 41, the damping is performed by utilizing the rubber damping pad 41 to achieve the third heavy damping, and thus, the vibration pressure borne by the bridge structure can be well reduced through the triple damping of the buffer base plate 43, the buffer mechanism 42 and the rubber damping pad 41, the damping effect is good, and the stability of the bridge structure is effectively ensured; in addition, among the shock attenuation process, shock-absorbing structure 4 locates in installing frame 2 and is equipped with limit structure 5 in shock-absorbing structure 4's both sides, therefore can effectively prevent shock-absorbing structure 4 from taking place the dislocation for damping device's overall stability is good.

The utility model discloses in, buffer gear 42's quantity has a plurality ofly, and a plurality of buffer gear 42 are whole symmetrical connection usually between rubber shock pad 41 and buffering backing plate 43, and buffer gear 42's specific quantity can be adjusted according to the user demand is nimble, for example, in this embodiment, is equipped with 5 buffer gear 42.

Specifically, as shown in fig. 2, the buffer mechanism 42 includes a protection frame 421 and a buffer spring 422, the protection frame 421 is disposed on the top of the rubber shock pad 41, the buffer spring 422 is fixed in the protection frame 421, and the top end of the buffer spring 422 is fixedly connected to the bottom of the buffer base plate 43. When the shock absorption is used, the buffer backing plate 43 transmits the pressure to the buffer mechanism 42, and the buffer mechanism 42 performs the buffer shock absorption by using the buffer spring 422, so as to achieve the secondary shock absorption.

In addition, as shown in fig. 1, the front and the back of the left and the right ends of the shock-absorbing structure 4 are respectively and symmetrically and vertically provided with a partition plate 7, and the partition plates 7 are detachably connected with the mounting frame 2, so that the shock-absorbing structure 4 can be prevented from deviating in the horizontal direction, and the shock-absorbing structure 4 can be guaranteed to move up and down for shock absorption.

Referring to fig. 2 again, the limiting structure 5 includes an installation plate 51 disposed on an inner side wall of the installation frame 2, a sliding rod 52 is vertically disposed on the installation plate 51, a sliding block 53 is slidably disposed on the sliding rod 52, and the sliding block 53 is connected to the cushion plate 43. When the shock-absorbing structure 4 works, the sliding block 53 connected with the buffer backing plate 43 can only slide up and down along the sliding rod 52, so that the sliding rod 52 can be utilized to limit the transverse position of the sliding block 53, and further the transverse position of the buffer backing plate 43 is limited, thereby preventing the shock-absorbing structure 4 from being dislocated, and ensuring the stability of the shock-absorbing structure 4 and the whole device.

Referring to fig. 3, the supporting plate 3 includes a plate body 31 and a plurality of layers of reinforcing nets 32 disposed inside the plate body 31, and the bottom of the plate body 31 is connected to the top end of the connecting column 6. In this embodiment, the reinforcing mesh 32 is a tin-plated copper mesh, and specifically, two layers of reinforcing meshes 32 are provided. The reinforcing mesh 32 is provided to effectively enhance the toughness of the supporting plate 3 from the inside.

In addition, referring to fig. 1 again, the reinforcing structures 8 are symmetrically disposed at two ends of the bottom of the supporting plate 3 (specifically, the bottom of the plate body 31). Specifically, referring to fig. 4, the reinforcement structure 8 includes two reinforcement vertical plates 81 disposed in parallel at the bottom of the support plate 3, and a plurality of reinforcement transverse plates 82 are connected between the reinforcement vertical plates 81 in parallel. The number of the reinforcement transverse plates 82 can be flexibly adjusted according to requirements, for example, in the embodiment, 4 reinforcement transverse plates 82 are provided in each reinforcement structure 8. Reinforced structure 8 can be followed the outside and consolidated backup pad 3, has strengthened the intensity of backup pad 3 itself, and reinforced structure 8 combines reinforcing mesh 32, can carry out inside and outside dual reinforcement to backup pad 3 to can effectively avoid backup pad 3 because of the problem that uses the easy fracture for a long time.

The utility model discloses in, fixed connection between each subassembly among the bridge structures damping device, can dismantle connection mode such as connection all adopt current general connection mode can, for example, can realize the connection between two subassemblies through the screw, this part belongs to common general knowledge, just no longer gives unnecessary details here.

It is finally necessary to point out here: the above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.

Claims (7)

1. The utility model provides a bridge structures damping device which characterized in that: comprises a base, the top of the base is provided with a mounting frame, a supporting plate is horizontally arranged right above the mounting frame, a damping structure is arranged in the mounting frame, the left side and the right side of the damping structure are respectively symmetrically provided with a limiting structure, one side of the limit structure is fixedly connected with the inner side wall of the mounting frame, the other side of the limit structure is detachably connected with the damping structure, the shock absorption structure comprises a rubber shock absorption pad, a buffer mechanism and a buffer base plate, the rubber shock absorption pad is horizontally arranged on the inner bottom wall of the mounting frame, the buffer backing plate is horizontally arranged right above the rubber shock pad, the bottom end of the buffer mechanism is connected with the top of the rubber shock pad, the top end of the buffer mechanism is connected with the bottom of the buffer base plate, the top of the buffer base plate is connected with a connecting column which is vertically arranged, and the top end of the connecting column is connected with the bottom of the supporting plate after penetrating through the mounting frame.

2. The bridge structure damping device of claim 1, wherein: buffer gear includes protection frame and buffer spring, the top of rubber shock pad is located to the protection frame, buffer spring fixes in the protection frame, and buffer spring's top and the bottom fixed connection of buffering backing plate.

3. The bridge structure damping device of claim 1, wherein: the front side and the rear side of the left end and the right end of the damping structure are respectively and symmetrically and vertically provided with a partition plate, and the partition plates are detachably connected with the mounting frame.

4. The bridge structure damping device of claim 1, wherein: limiting structure is including locating the mounting panel on the inside wall of installing frame, the vertical slide bar that is equipped with on the mounting panel, the slip is equipped with the slider on the slide bar, the slider links to each other with the buffering backing plate.

5. The bridge structure damping device of claim 1, wherein: the backup pad includes the plate body and locates the inside reinforcing mesh of plate body in a plurality of layers, the bottom of plate body links to each other with the top of spliced pole.

6. The bridge structure damping device of claim 1, wherein: and reinforcing structures are symmetrically arranged at two ends of the bottom of the supporting plate.

7. The bridge structure shock absorbing device of claim 6, wherein: the reinforced structure comprises two reinforced vertical plates which are parallel to each other and arranged at the bottom of the supporting plate, and a plurality of reinforced transverse plates which are parallel to each other are connected between the reinforced vertical plates.

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