CN212153107U

CN212153107U - Building bridge takes precautions against earthquakes

Info

Publication number: CN212153107U
Application number: CN201922131161.5U
Authority: CN
Inventors: 魏亮; 杨阳; 王凯
Original assignee: Bozhou Vocational and Technical College
Current assignee: Bozhou Vocational and Technical College
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-12-15
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a building bridge takes precautions against earthquakes, including a plurality of piers, all be equipped with the decking between per two adjacent piers, connect fixedly through the connecting piece between two adjacent decking, be equipped with the shock attenuation recess at the pier upside, be equipped with damping device in the shock attenuation recess, damping device includes the base plate, the base plate setting just can follow the shock attenuation recess and slide from top to bottom in the shock attenuation recess, be equipped with annular rubber shock absorber ware in the inboard bottom of shock attenuation recess, a set of damping spring of fixed connection between annular rubber shock absorber ware and base plate, at base plate upside fixed connection support column, the connecting piece is fixed in the support column upper end. The utility model has the advantages that: when the inserted bar strikes the pressure sensor in the mounting groove, pressure sensor can control the jack and move the fender ring along the guide bar to the second backup pad direction removal, carries out the precompression to buffer spring, improves its buffer capacity, can effectively alleviate the horizontal thrust that the second backup pad received, and the whole life that improves this bridge.

Description

Building bridge takes precautions against earthquakes

Technical Field

The utility model relates to a building bridge technical field especially relates to a building bridge takes precautions against earthquakes.

Background

The bridge is a building erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass through, and is called as a bridge. A bridge generally consists of a superstructure, a substructure, supports and additional structures, and the superstructure is also called a bridge span structure and is a main structure for crossing obstacles. The bridge among the prior art supports the abutment through the pier generally, and a plurality of decking are the overlap joint on two adjacent abutments, and after the installation, can have some clearances between two decking, and the vehicle is carried out the shock attenuation through the clearance between two decking like this in the driving process. But this kind of shock attenuation mode shock attenuation effect is poor, and after long-time the use, the clearance between two decking can be littleer and smaller, can make the shock attenuation performance of bridge more and more poor like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a quakeproof building bridge.

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

the utility model provides a building bridge takes precautions against earthquakes, includes a plurality of piers, all is equipped with the decking between per two adjacent piers, connects fixedly through the connecting piece between two adjacent decking the pier upside is equipped with damping groove, be equipped with damping device in the damping groove, damping device includes the base plate, the base plate sets up just can follow damping groove and slide from top to bottom in the damping groove the inboard bottom of damping groove is equipped with annular rubber shock absorber with a set of damping spring of fixed connection between the base plate upside fixed connection support column, the connecting piece is fixed the support column upper end.

Preferably, a circular groove is formed in the bottom of the inner side of the damping groove, a rubber base plate is installed at the bottom of the circular groove, a cylinder is fixedly connected to the lower side of the base plate, and the lower end of the cylinder extends into the circular groove and is in contact with the rubber base plate.

Preferably, the connecting piece includes the flat board, dull and stereotyped top one side fixed connection first backup pad dull and stereotyped top opposite side fixed connection riser the dull and stereotyped upside is equipped with the spout slide sliding connection second backup pad in the spout, first backup pad with be equipped with a set of guide bar between the riser second backup pad one side is equipped with a set of slide opening, the guide bar one-to-one follows pass in the slide opening, the second backup pad passes through the slide opening and follows the guide bar and reciprocate to slide second backup pad with be equipped with a set of buffer spring between the first backup pad the second backup pad with the buffer spring one-to-one cup joints the guide bar outside.

Preferably, the second support plate is fixedly connected with an insert rod towards one side of the first support plate, the first support plate is provided with an installation groove towards one side of the second support plate, a pressure sensor is arranged in the installation groove, and the insert rod is arranged opposite to the pressure sensor.

Preferably, every equal sliding connection keeps off the ring on the guide bar, buffer spring sets up keep off the ring with between the second backup pad first backup pad orientation one side of second backup pad is equipped with the multiunit mounting hole, every group mounting hole all with the axis of guide bar evenly arranges as the center every the push rod all is equipped with in the mounting hole, through the push rod can promote to keep off the ring and remove to the second backup pad direction along the guide bar.

Preferably, the push rod is a jack.

The utility model has the advantages that: forward thrust that the decking produced can promote the second backup pad and remove to first backup pad direction along the guide bar, in this process, alleviate the horizontal thrust that the second backup pad received through buffer spring, in long-term use, buffer spring's elasticity effect can be more and more poor, the displacement that the second backup pad removed will be bigger and bigger, buffer spring can't alleviate this horizontal thrust already, when the inserted bar strikes the pressure sensor in the mounting groove, pressure sensor can control the jack and push to move the fender ring and remove to the second backup pad direction along the guide bar, precompress buffer spring, improve its buffer capacity, can effectively alleviate the horizontal thrust that the second backup pad received, the life of this bridge is improved to the totality.

Drawings

Fig. 1 is a schematic view of a basic structure of a quakeproof building bridge provided by the present invention;

fig. 2 is a schematic view of the basic structure of the connector.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-2, the utility model provides a pair of building bridge takes precautions against earthquakes, including a plurality of piers 4, all be equipped with decking 1 between every two adjacent piers 4, connect fixedly through connecting piece 3 between two adjacent decking 1, connecting piece 3 includes dull and stereotyped 31, dull and stereotyped 31 top one side fixed connection first backup pad 33 dull and stereotyped 31 top opposite side fixed connection riser 32 dull and stereotyped 31 upside is equipped with spout 311 sliding connection second backup pad 35 in the spout 311. The opposite ends of two adjacent bridge deck boards 1 are respectively lapped on the upper sides of the first supporting plate 33 and the second supporting plate 35.

A group of guide rods 34 are arranged between the first supporting plate 33 and the vertical plate 32, a group of sliding holes are formed in one side of the second supporting plate 35, the guide rods 34 penetrate through the sliding holes in a one-to-one correspondence mode, the second supporting plate 35 slides back and forth along the guide rods 34 through the sliding holes, a group of buffer springs 38 are arranged between the second supporting plate 35 and the first supporting plate 33, and the buffer springs 38 are sleeved on the outer sides of the guide rods 34 in a one-to-one correspondence mode.

The side of the second support plate 35 facing the first support plate 33 is fixedly connected with an insert rod 39, one side of the first support plate 33 facing the second support plate 35 is provided with a mounting groove 332, a pressure sensor is mounted in the mounting groove, and the insert rod 39 and the pressure sensor are oppositely arranged.

The guide rods 34 are connected with retaining rings 37 in a sliding mode, the buffer springs 38 are arranged between the retaining rings 37 and the second supporting plate 35, one side, facing the second supporting plate 35, of the first supporting plate 33 is provided with a plurality of groups of mounting holes 331, each group of mounting holes 331 are 2, each group of mounting holes 331 are uniformly arranged by taking the axis of the guide rods 34 as the center, push rods 36 are installed in the mounting holes 331, and the push rods 36 are jacks. The push rod 36 can push the stop ring 37 to move along the guide rod 34 toward the second support plate 35. By moving the position of the stopper ring 37, the cushioning strength of the cushioning spring 38 against the second support plate 35 can be changed.

4 upsides of pier are equipped with damping groove 41, be equipped with damping device 2 in the damping groove 41, damping device 2 includes base plate 21, base plate 21 sets up just can follow damping groove 41 and slide from top to bottom in the damping groove 41 the inboard bottom of damping groove 41 is equipped with annular rubber shock absorber 22 with a set of damping spring 23 of fixed connection between the base plate 21 upside fixed connection support column 24, dull and stereotyped 31 is fixed support column 24 upper end.

The bottom of the inner side of the shock absorption groove 41 is provided with a circular groove, the bottom of the circular groove is provided with a rubber pad 26, the lower side of the base plate 21 is fixedly connected with a cylinder 25, the cylinder 25 penetrates through the center of the annular rubber shock absorber 22, and the lower end of the cylinder 25 extends into the circular groove and is in contact with the rubber pad 26.

When a vehicle passes through the two bridge decks 1, forward thrust and downward pressure are generated on the bridge decks 1 along the advancing direction of the vehicle, the downward pressure is transmitted downwards to the base plate 21, the base plate 21 slides downwards along the damping groove 41, the downward pressure is relieved through the annular rubber damper 22 and the damping spring 23, the downward pressure of the bridge decks 1 can be further relieved through the rubber base plate 26, and the damping effect is obviously improved.

The second backup pad 35 can be promoted to move to first backup pad 33 direction along guide bar 34 to the forward thrust that decking 1 produced, in this process, alleviate the horizontal thrust that second backup pad 35 received through buffer spring 38, in the long-term use process, buffer spring 38's elasticity effect can be progressively worse, the displacement that second backup pad 35 removed will be bigger and bigger, buffer spring can't alleviate this horizontal thrust already, when inserted bar 39 strikes the pressure sensor in the mounting groove 332, pressure sensor can control the jack and push movable retaining ring 37 and move to second backup pad 35 direction along guide bar 34, precompress buffer spring 38, improve its buffer capacity, can effectively alleviate the horizontal thrust that second backup pad 35 received, the life of this bridge improves generally.

Claims

1. A quakeproof building bridge is characterized by comprising a plurality of bridge piers (4), wherein a bridge deck (1) is arranged between every two adjacent bridge piers (4), the two adjacent bridge deck (1) are fixedly connected through a connecting piece (3), a damping groove (41) is arranged on the upper side of the pier (4), a damping device (2) is arranged in the damping groove (41), the damping device (2) comprises a base plate (21), the base plate (21) is arranged in the damping groove (41) and can slide up and down along the damping groove (41), an annular rubber shock absorber (22) is arranged at the bottom of the inner side of the shock absorption groove (41), a group of damping springs (23) are fixedly connected between the annular rubber damper (22) and the base plate (21), and a support column (24) is fixedly connected to the upper side of the base plate (21), and the connecting piece (3) is fixed to the upper end of the support column (24).

2. A seismic resistant building bridge according to claim 1, further comprising: the damping groove (41) is characterized in that a circular groove is formed in the bottom of the inner side of the damping groove (41), a rubber base plate (26) is installed at the bottom of the circular groove, a cylinder (25) is fixedly connected to the lower side of the base plate (21), and the lower end of the cylinder (25) extends into the circular groove and is in contact with the rubber base plate (26).

3. A seismic resistant building bridge according to claim 1 or 2, wherein: the connecting piece (3) comprises a flat plate (31), one side above the flat plate (31) is fixedly connected with a first supporting plate (33), a vertical plate (32) is fixedly connected with the other side above the flat plate (31), a sliding groove (311) is arranged on the upper side of the flat plate (31), a second supporting plate (35) is connected in the sliding groove (311) in a sliding way, a group of guide rods (34) are arranged between the first supporting plate (33) and the vertical plate (32), one side of the second supporting plate (35) is provided with a group of sliding holes, the guide rods (34) correspondingly penetrate through the sliding holes one by one, the second support plate (35) slides back and forth along the guide rod (34) through the slide hole, a group of buffer springs (38) are arranged between the second supporting plate (35) and the first supporting plate (33), the buffer springs (38) are sleeved on the outer sides of the guide rods (34) in a one-to-one correspondence mode.

4. A seismic resistant building bridge according to claim 3, wherein: second backup pad (35) are towards one side fixed connection inserted bar (39) of first backup pad (33) orientation one side of second backup pad (35) is equipped with the mounting groove, be equipped with pressure sensor in the mounting groove, inserted bar (39) with pressure sensor sets up relatively.

5. A seismic resistant building bridge according to claim 4, wherein: every equal sliding connection keeps off ring (37) on guide bar (34), buffer spring (38) set up keep off ring (37) with between second backup pad (35) first backup pad (33) orientation one side of second backup pad (35) is equipped with multiunit mounting hole (331), every group mounting hole (331) all with the axis of guide bar (34) evenly arranges as the center, every push rod (36) all are equipped with in mounting hole (331), through push rod (36) can promote to keep off ring (37) and move to second backup pad (35) direction along guide bar (34).

6. A seismic resistant building bridge according to claim 5, wherein: the push rod (36) is a jack.