CN210140766U - Anti-seismic device for highway bridge - Google Patents

Anti-seismic device for highway bridge Download PDF

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Publication number
CN210140766U
CN210140766U CN201920743152.9U CN201920743152U CN210140766U CN 210140766 U CN210140766 U CN 210140766U CN 201920743152 U CN201920743152 U CN 201920743152U CN 210140766 U CN210140766 U CN 210140766U
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China
Prior art keywords
bridge
basic unit
base layer
seismic
layer
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CN201920743152.9U
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Chinese (zh)
Inventor
何松清
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Guangdong Jingtong Highway Engineering Construction Group Co Ltd
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Guangdong Jingtong Highway Engineering Construction Group Co Ltd
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Priority to CN201920743152.9U priority Critical patent/CN210140766U/en
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Abstract

The utility model discloses an anti-seismic device for highway bridge, including the bridge body, the concave setting that is of the bridge body, fixedly connected with basic unit on the bridge body, the arc setting is personally submitted to the upper end of basic unit, the up end of basic unit is provided with the bridge floor, terminal surface and the up end shape phase-match of basic unit under the bridge floor, the lower terminal surface of bridge floor sets up the buffer layer with the junction of the up end of basic unit. The utility model discloses, when the bridge floor received the power of horizontal direction, the buffer layer of basic unit's up end can be extruded to the bridge floor, the buffer layer can produce deformation and offset the power of bridge floor horizontal direction, and the stopper card of bridge floor lower extreme is in the spacing groove of basic unit's upper end, mutually support through stopper and spacing groove, make the power of horizontal direction that the bridge floor received obtain fine buffering, the horizontal force that the seismic wave produced has been avoided, cause shortening or extension of bridge span, the damage of bridge has been avoided.

Description

Anti-seismic device for highway bridge
Technical Field
The utility model relates to a public road bridge roof beam technical field especially relates to a public road bridge roof beam is with antidetonation device.
Background
Highway bridge construction includes main bridge (i.e. upper bridge structure and lower bridge structure) construction and auxiliary engineering facilities in the bridge location population. The auxiliary engineering facilities are various, such as structures for regulating and controlling water flow, such as revetments and diversion dikes for keeping stable riverways at bridge positions, approach bridges with bridge heads connected with highways, railings for preventing wheels from colliding on bridge floors, sidewalk railings for ensuring pedestrian safety, on-bridge signs, under-bridge navigation signs, bridge floor lighting equipment and the like.
When an earthquake occurs to an existing bridge, earthquake waves not only generate vertical vibration force, but also generate large horizontal force, bridge span is shortened or lengthened, and finally the bridge is damaged.
To this end, we propose an anti-seismic device for road bridges to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: when an earthquake occurs to an existing bridge, earthquake waves not only generate vertical vibration force, but also generate large horizontal force, bridge span is shortened or lengthened, and finally the bridge is damaged.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an antidetonation device for public road bridge roof beam, includes the bridge body, the concave setting that is of the bridge body, fixedly connected with basic unit on the bridge body, the arc setting is personally submitted to the upper end of basic unit, the up end of basic unit is provided with the bridge floor, the terminal surface matches with the up end shape of basic unit under the bridge floor, the lower terminal surface of bridge floor sets up the buffer layer with the junction of the up end of basic unit, the spacing groove has been seted up in the center department of the up end of basic unit, terminal surface fixedly connected with and spacing groove assorted stopper under the bridge floor, the stopper card is at the spacing groove, the spout has been seted up at the middle part of the up end of the bridge body, the bottom face fixedly connected with friction plate of spout, the middle part of bridge body up end and the middle part of basic unit lower extreme are provided.
Preferably, the vertical buffer mechanism comprises two load bearing plates, and the upper end surface of each load bearing plate is fixedly installed on the bottom end surface of the base layer through a damping shock absorber.
Preferably, two the load board symmetry sets up, every the bottom face of load board all rotates and is connected with the dwang, every the bottom face of dwang all rotates and is connected with the slide.
Preferably, each sliding plate is connected in the sliding groove in a sliding mode, each sliding plate is connected to the upper end face of the friction plate in a sliding mode, and a spring is fixedly connected between the two sliding plates.
Preferably, the upper end face of the bridge surface layer is provided with anti-skid grains.
Preferably, the middle part of the upper end face of the bridge body is symmetrically and fixedly connected with two support columns, and the upper end of each support column is fixedly connected to the bottom end face of the base layer through a damping shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the bridge deck layer is subjected to force in the vertical direction, the base layer is extruded, the two load plates are extruded, the two rotating rods can push the sliding plate to move in the opposite directions, the spring can be elongated to effectively buffer the pulling force of the sliding plate, and part of the power of the sliding plate can be used for overcoming the friction force between the sliding plate and the friction plate in the process that the sliding plate slides on the surface of the friction plate, and the two damping shock absorbers are matched, so that the force applied to the bridge deck layer in the vertical direction is well buffered;
2. when the bridge floor receives the power of horizontal direction, the buffer layer of bridge floor can extrude basic unit's up end, the buffer layer can produce deformation and offset the power of bridge floor horizontal direction, and the stopper card of bridge floor lower extreme is in the spacing inslot of basic unit's upper end, mutually support through stopper and spacing groove, make the power of the horizontal direction that the bridge floor received obtain fine buffering, the horizontal force that the earthquake wave produced has been avoided, cause shortening or extension of bridge span, and then the damage of bridge has been avoided.
Drawings
Fig. 1 is a schematic front structural view of an anti-seismic device for a highway bridge according to the present invention;
fig. 2 is a partially enlarged structural diagram of a in fig. 1.
In the figure: the damping device comprises a bridge body 1, supporting columns 2, a bridge surface layer 3, a rotating rod 4, a damping shock absorber 5, a load plate 6, a sliding groove 7, a spring 8, a friction plate 9, a sliding plate 10, a base layer 11, a buffer layer 12, a limiting block 13, a limiting groove 14 and a damping shaft 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, an anti-seismic device for a highway bridge comprises a bridge body 1, the bridge body 1 is arranged in a concave shape, two support columns 2 are symmetrically and fixedly connected to the middle of the upper end face of the bridge body 1, the upper end of each support column 2 is fixedly connected to the bottom end face of a base layer 11 through a damping shaft 15, the upper ends of the support columns 2 have good damping and buffering effects on a bridge deck 3 on the base layer 11 through the damping shafts 15, the bridge body 1 is fixedly connected with the base layer 11, the upper end face of the base layer 11 is arranged in an arc shape, the upper end face of the base layer 11 is provided with the bridge deck 3, the upper end face of the bridge deck 3 is provided with anti-skid threads to prevent wheels on the bridge deck from skidding, the lower end face of the bridge deck 3 is matched with the upper end face of the base layer 11 in shape, a buffer layer 12 is arranged at the joint of the lower end face of the bridge deck 3 and the upper end face of the, terminal surface fixedly connected with and spacing groove 14 assorted stopper 13 under 3 bridge face layers, stopper 13 card is at spacing groove 14, spout 7 has been seted up at the middle part of the up end of the bridge body 1, bottom face fixedly connected with friction plate 9 of spout 7, the middle part of the 1 up end of the bridge body and the middle part of basic unit 11 lower extreme are provided with vertical buffer gear, vertical buffer gear includes two load boards 6, the up end of every load board 6 all passes through damping bumper 5 fixed mounting at the bottom face of basic unit 11, two load boards 6 symmetry sets up, the bottom face of every load board 6 all rotates and is connected with dwang 4, the bottom face of every dwang 4 all rotates and is connected with slide 10, every equal sliding connection of slide 10 is in spout 7, every equal sliding connection of slide 10 is at the up end of friction plate 9, fixedly connected with spring 8 between two slide 10.
In the utility model, when the user uses the device, when the bridge deck 3 is subjected to a force in the vertical direction, the base layer 11 is extruded, and then two load bearing plates 6 are extruded, and then two rotating rods 4 are extruded, the two rotating rods 4 can push the sliding plate 10 to move in the opposite directions, the spring 8 can be elongated to effectively buffer the pulling force of the sliding plate 10, and the sliding plate 10 can partially use the power of the sliding plate 10 to overcome the friction force between the sliding plate 10 and the friction plate 9 in the surface sliding process of the friction plate 9, and is matched with the two damping shock absorbers 5, so that the force applied in the vertical direction of the bridge deck 3 is well buffered, when the bridge deck 3 is subjected to a force in the horizontal direction, the bridge deck 3 can extrude the buffer layer 12 on the upper end surface of the base layer 11, the buffer layer 12 can generate deformation to offset the force in the horizontal direction of the bridge deck 3, and the limit block 13 at the lower end of the bridge deck, through stopper 13 and spacing groove 14 mutually supporting for the horizontal direction's that bridge face layer 3 received power obtains fine buffering, has avoided the horizontal force that the seismic wave produced, causes the shortening or the extension of bridge span, and then has avoided the damage of bridge.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. An anti-seismic device for a highway bridge comprises a bridge body (1) and is characterized in that the bridge body (1) is arranged in a concave shape, a base layer (11) is fixedly connected to the bridge body (1), the upper end face of the base layer (11) is arranged in an arc shape, a bridge face layer (3) is arranged on the upper end face of the base layer (11), the lower end face of the bridge face layer (3) is matched with the upper end face of the base layer (11) in shape, a buffer layer (12) is arranged at the joint of the lower end face of the bridge face layer (3) and the upper end face of the base layer (11), a limiting groove (14) is formed in the center of the upper end face of the base layer (11), a limiting block (13) matched with the limiting groove (14) is fixedly connected to the lower end face of the bridge face layer (3), the limiting block (13) is clamped in the limiting groove (14), a sliding groove (7) is formed in the middle of the, the bottom end face of the sliding groove (7) is fixedly connected with a friction plate (9), and the middle of the upper end face of the bridge body (1) and the middle of the lower end of the base layer (11) are provided with vertical buffer mechanisms.
2. An anti-seismic device for road bridges according to claim 1, wherein the vertical buffer mechanism comprises two load plates (6), and the upper end surface of each load plate (6) is fixedly mounted on the bottom end surface of the base layer (11) through a damping shock absorber (5).
3. An anti-seismic device for road and bridge according to claim 2, wherein two said load plates (6) are symmetrically arranged, the bottom end face of each said load plate (6) is rotatably connected with a rotating rod (4), and the bottom end face of each said rotating rod (4) is rotatably connected with a sliding plate (10).
4. An anti-seismic device for road bridges according to claim 3, characterized in that each of said sliding plates (10) is slidably connected in a sliding groove (7), each of said sliding plates (10) is slidably connected to the upper end surface of a friction plate (9), and a spring (8) is fixedly connected between two of said sliding plates (10).
5. An anti-seismic device for road bridges according to claim 1, characterized in that the upper end face of the bridge deck (3) is provided with anti-slip lines.
6. An anti-seismic device for road and bridge according to claim 1, wherein two supporting columns (2) are symmetrically and fixedly connected to the middle of the upper end face of the bridge body (1), and the upper end of each supporting column (2) is fixedly connected to the bottom end face of the base layer (11) through a damping shaft (15).
CN201920743152.9U 2019-05-22 2019-05-22 Anti-seismic device for highway bridge Active CN210140766U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920743152.9U CN210140766U (en) 2019-05-22 2019-05-22 Anti-seismic device for highway bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920743152.9U CN210140766U (en) 2019-05-22 2019-05-22 Anti-seismic device for highway bridge

Publications (1)

Publication Number Publication Date
CN210140766U true CN210140766U (en) 2020-03-13

Family

ID=69733788

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920743152.9U Active CN210140766U (en) 2019-05-22 2019-05-22 Anti-seismic device for highway bridge

Country Status (1)

Country Link
CN (1) CN210140766U (en)

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