CN219195630U - Bridge shock-proof buffer structure - Google Patents

Abstract

The utility model relates to the technical field of bridge vibration prevention, in particular to a bridge vibration prevention buffer structure which comprises a support seat structure, wherein the bottom side of the support seat structure is fixedly connected with a support structure, the lower end of the support structure is clamped with a base structure, the base structure comprises a base main body, a cylinder connecting groove is formed in the base main body, an abutting rod is fixedly arranged at the groove wall of the opening of the cylinder connecting groove and at the groove wall of the side surface groove of the bottom side of the cylinder connecting groove, and a rubber pad is adhered to the surface of the groove wall of the inner part of the cylinder connecting groove. In the utility model, vibration generated on the ground surface is transferred to the lower end of the supporting structure after being transferred to the base structure, and in the transfer process, the rubber pad absorbs part of energy, a certain buffer space is provided for the joint of the cylinder connecting groove and the connecting block through the elasticity of the rubber pad, the vibration is absorbed and weakened, the internal structural strength of the cylinder connecting groove is strengthened by abutting against the rod, the surface of the rubber pad is provided with grooves, the contact area with the cylinder connecting groove is increased, and the vibration energy absorption rate is improved.

Description

Bridge shock-proof buffer structure

Technical Field

The utility model relates to the technical field of bridge vibration prevention, in particular to a bridge vibration prevention buffer structure.

Background

At present, along with the development of transportation industry and the improvement of building engineering standards, the support not only plays a supporting role in bridges and other engineering, but also has the capabilities of vibration reduction, pulling resistance, bending moment release and displacement resistance, so that the bridges can generate relative displacement in different directions under the action of an earthquake and other external factors, when the displacement exceeds the actual girder falling preventing length or limit of the bridges, girder falling can occur, the traffic is interrupted, and then a buffering and vibration-proof structure can be additionally arranged at the bridge supporting structure.

When the shock-proof structure for the bridge is used, the shock-proof structure is combined with the bridge supporting structure into a whole in the actual use process, and bears the partial supporting function, is not independent of the bridge supporting structure, is matched with a spring and a damping device to directly absorb and intercept the shock, and cannot be gradually absorbed, the upper limit of the shock resistance is completely dependent on the upper limit of the strength of the shock-proof structure, and exceeds the upper limit, the shock-proof structure is damaged, and the bridge supporting structure loses partial supporting capacity.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the current part of the shockproof structure for the bridge is integrated with the bridge supporting structure and bears part of the supporting function in the actual use process, the shock is directly absorbed and intercepted by matching with a spring and a damping device without being independent of the bridge supporting structure, gradual absorption cannot be carried out, the upper limit of the shock resistance is completely dependent on the upper limit of the strength of the shockproof structure, and the shock resistance is damaged when exceeding the upper limit, so that the bridge supporting structure loses part of the supporting capability.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a bridge buffer structure that takes precautions against earthquakes, includes and props a seat structure, prop a seat structure downside fixedly connected with bearing structure, bearing structure lower extreme joint has base structure, base structure includes the base main part, the cylinder spread groove has been seted up to the inside base main part, cylinder spread groove bottom side, side surface cell wall and cylinder spread groove opening part cell wall fixed mounting have the pole of leaning on, the inside cell wall surface adhesion of cylinder spread groove has the rubber pad.

The support seat structure comprises a connection support seat, wherein a clamping support seat is fixedly arranged on the upper surface of the connection support seat, a rubber layer is sleeved in the middle of the clamping support seat, a steel core is fixedly arranged on the upper side surface of the clamping support seat, and a rubber sleeve is fixedly arranged on the side surface of the steel core.

The clamping supports and the steel cores are clamped in the clamping slots, and the clamping slots are formed in two ends of the bottom side of the bridge plate.

Further in that, bearing structure includes the stand, stand bottom side fixed mounting has the support seat, support seat bottom side fixed mounting has the connecting block.

The shock absorbing structure is characterized in that a shock absorbing inner cavity is formed in the upright post, a shock transmitting rod is installed in the shock absorbing inner cavity in a penetrating mode, shock absorbing fillers are filled in the shock absorbing inner cavity, and rod body clamping grooves are formed in the shock absorbing fillers in a penetrating mode.

Further, the connecting support seat is fixedly arranged at the upper end of the upright post.

Further, the connecting block is clamped in the cylinder connecting groove.

The utility model has the beneficial effects that:

1. when the bridge is in the place, the vibration generated on the earth surface is transferred to the lower end of the supporting structure after being transferred to the base structure, and in the transfer process of the vibration, the rubber pad absorbs part of energy and a certain buffer space is reserved at the joint of the cylinder connecting groove and the connecting block through the elasticity of the rubber pad, so that the vibration is absorbed and weakened, the internal structural strength of the cylinder connecting groove is strengthened by the propping rod, the surface of the rubber pad forms a groove, the contact area with the cylinder connecting groove is increased, and the vibration energy absorptivity is improved.

2. When the upright post transmits vibration, vibration energy passes through the vibration absorption inner cavity and is transmitted to the vibration absorption filler by the vibration transmission rod, so that the vibration energy is further absorbed and weakened.

3. Vibration that receives for connecting the stand that props the seat through rubber layer and rubber sleeve and transmit provides certain buffer space, weakens the vibration that transmits for the bridge plate, provides the support and links up the bridge plate through connecting proping seat, joint support and steel core to the bridge plate, and there is certain space bridge plate and bridge plate junction, when avoiding vibrations to take place, each bridge plate influence each other.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the stay seat in the present utility model;

FIG. 3 is a schematic view of a snap-fit abutment according to the present utility model;

FIG. 4 is a schematic view of a support structure in accordance with the present utility model;

fig. 5 is a schematic view of a base structure in the present utility model.

In the figure: 1. a support seat structure; 101. connecting a supporting seat; 102. the clamping support is connected; 103. a rubber layer; 104. a steel core; 105. a rubber sleeve; 106. a clamping slot; 107. a bridge plate; 2. a support structure; 201. a column; 202. a support seat; 203. a connecting block; 204. a shock absorbing inner cavity; 205. a shock transmission rod; 206. shock absorbing fillers; 207. a rod clamping groove; 3. a base structure; 301. a base body; 302. a column connecting groove; 303. an abutment lever; 304. and a rubber pad.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a bridge vibration-proof buffer structure includes a supporting seat structure 1, a supporting structure 2 is fixedly connected to the bottom side of the supporting seat structure 1, a base structure 3 is clamped at the lower end of the supporting structure 2, the base structure 3 includes a base main body 301, a column connecting groove 302 is formed inside the base main body 301, an abutting rod 303 is fixedly installed at the groove wall of the opening of the column connecting groove 302 and the groove wall of the bottom side and side surface of the column connecting groove 302, a rubber pad 304 is adhered to the surface of the inner groove wall of the column connecting groove 302, when a bridge is in a place, vibration generated on the ground surface is transmitted to the lower end of the supporting structure 2 after being transmitted to the base structure 3, and in the transmission process of vibration, part of energy is absorbed by the rubber pad 304, and a certain buffer space is provided for the joint of the column connecting groove 302 and the connecting block 203 through the elasticity of the rubber pad 304, the internal structural strength of the column connecting groove 302 is strengthened by the abutting rod 303, the surface form groove of the rubber pad 304 is increased, the contact area with the column connecting groove 302 is increased, and the vibration energy absorption rate is improved; the support structure 2 comprises a stand column 201, a support seat 202 is fixedly arranged on the bottom side of the stand column 201, a connecting block 203 is fixedly arranged on the bottom side of the support seat 202, and the support seat 202, the connecting block 203 and the base structure 3 are mutually clamped; the connection supporting seat 101 is fixedly installed at the upper end of the upright column 201, and the connection block 203 is clamped in the column connection groove 302.

The support seat structure 1 comprises a connection support seat 101, wherein a clamping support seat 102 is fixedly arranged on the upper surface of the connection support seat 101, a rubber layer 103 is sleeved in the middle of the clamping support seat 102, a steel core 104 is fixedly arranged on the upper side surface of the clamping support seat 102, a rubber sleeve 105 is fixedly arranged on the side surface of the steel core 104, and a certain buffer space is provided for vibration transmitted by a stand column 201 received by the connection support seat 101 through the rubber layer 103 and the rubber sleeve 105, so that vibration transmitted to a bridge plate 107 is weakened; the number of the clamping supports 102 is a plurality, the clamping supports 102 and the steel cores 104 are clamped in the clamping slots 106, the clamping slots 106 are formed in two ends of the bottom side of the bridge plate 107, the bridge plate 107 is supported and connected through the connecting support seat 101, the clamping supports 102 and the steel cores 104, a certain gap exists at the joint of the bridge plate 107 and the bridge plate 107, and the bridge plates 107 are prevented from being affected by each other when vibration occurs; the shock absorbing inner cavity 204 is formed in the upright post 201, the shock transmitting rod 205 is installed in the shock absorbing inner cavity 204 in a penetrating mode, the shock absorbing filler 206 is filled in the shock absorbing inner cavity 204, the rod body clamping groove 207 is formed in the shock absorbing filler 206 in a penetrating mode, and when the upright post 201 transmits shock, the shock energy passes through the shock absorbing inner cavity 204 and is transmitted to the shock absorbing filler 206 by the shock transmitting rod 205, and further shock energy is absorbed and weakened.

Working principle: when the bridge is in use, when the earthquake occurs in the place, vibration generated on the ground surface is transferred to the base structure 3 and then transferred to the lower end of the supporting structure 2, and in the process of transferring the vibration, part of energy is absorbed by the rubber pad 304, and a certain buffer space is provided for the joint of the cylinder connecting groove 302 and the connecting block 203 through the elasticity of the rubber pad 304, the vibration is absorbed and weakened, the internal structural strength of the cylinder connecting groove 302 is reinforced by the abutting rod 303, the surface of the rubber pad 304 forms a groove, the contact area with the cylinder connecting groove 302 is increased, the vibration energy absorptivity is improved, when the vibration is transferred by the upright post 201, the vibration energy is transferred to the vibration absorbing filler 206 through the vibration absorbing inner cavity 204 by the vibration transmission rod 205, a certain buffer space is provided for the vibration transferred to the upright post 201 accepted by the connecting support seat 101 through the rubber layer 103 and the rubber sleeve 105, the vibration transferred to the bridge plate 107 is weakened, the bridge plate 107 is supported and connected through the connecting support seat 101, the clamping support 102 and the steel core 104, a certain gap is formed between the bridge plate 107 and the bridge plate 107, and the bridge plate 107 is prevented from affecting each bridge plate 107.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 foregoing is merely illustrative and explanatory of the utility model, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the utility model or exceeding the scope of the utility model as defined in the claims.

Claims (7)

1. The utility model provides a bridge buffer structure that takes precautions against earthquakes, includes props seat structure (1), a serial communication port, prop seat structure (1) downside fixedly connected with bearing structure (2), bearing structure (2) lower extreme joint has base structure (3), base structure (3) include base main part (301), cylinder spread groove (302) have been seted up to base main part (301) inside, cylinder spread groove (302) downside, side surface cell wall and cylinder spread groove (302) opening part cell wall fixed mounting have support and lean on pole (303), inside cell wall surface adhesion of cylinder spread groove (302) has rubber pad (304).

2. The bridge vibration-proof buffer structure according to claim 1, wherein the support seat structure (1) comprises a connection support seat (101), a clamping support seat (102) is fixedly arranged on the upper surface of the connection support seat (101), a rubber layer (103) is sleeved in the middle of the clamping support seat (102), a steel core (104) is fixedly arranged on the upper side surface of the clamping support seat (102), and a rubber sleeve (105) is fixedly arranged on the side surface of the steel core (104).

3. The bridge vibration-proof buffering structure according to claim 2, wherein the number of the clamping supports (102) is a plurality, the clamping supports (102) and the steel cores (104) are clamped in the clamping slots (106), and the clamping slots (106) are formed in two ends of the bottom side of the bridge plate (107).

4. A bridge vibration damping structure according to claim 3, characterized in that the supporting structure (2) comprises a column (201), a supporting seat (202) is fixedly mounted on the bottom side of the column (201), and a connecting block (203) is fixedly mounted on the bottom side of the supporting seat (202).

5. The bridge vibration-proof buffering structure according to claim 4, wherein a vibration-proof inner cavity (204) is formed in the upright post (201), a vibration-proof rod (205) is installed in the vibration-proof inner cavity (204) in a penetrating mode, vibration-proof fillers (206) are filled in the vibration-proof inner cavity (204), and rod body clamping grooves (207) are formed in the vibration-proof fillers (206) in a penetrating mode.

6. The bridge vibration-proof buffering structure according to claim 5, wherein the connecting support seat (101) is fixedly installed at the upper end of the upright post (201).

7. The bridge vibration-proof buffer structure according to claim 6, wherein the connecting block (203) is clamped in the column connecting groove (302).

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