阅读说明：本技术 一种震后易替换的桥梁延性抗震结构 (Bridge ductile earthquake-resistant structure easy to replace after earthquake ) 是由 朱锋 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种震后易替换的桥梁延性抗震结构,涉及桥梁技术领域,解决了桥梁在遇到地震后都会出现不同程度的损伤,而且,在震后进行维修也十分不方便,同时有些早年修建的桥梁因年久老化,也会导致抗震装置拆卸不方便,需要耗费大量的时间来进行维修或者更换的问题。一种震后易替换的桥梁延性抗震结构,包括安装底座；所述安装底座顶部固定设置安装板A；所述安装板A滑动设置有抗震板A；所述抗震板A顶部固定设置有两组阻尼器。本发明中安装板A内部后端的复位结构会将抗震板A往前推,将抗震板A弹出,从而方便震后工作,便于震后维修或者更换。(The invention discloses a ductile earthquake-resistant structure of a bridge easy to replace after an earthquake, which relates to the technical field of bridges and solves the problems that the bridge is damaged in different degrees after the earthquake occurs, the bridge is very inconvenient to maintain after the earthquake, and an earthquake-resistant device is inconvenient to disassemble and needs to consume a large amount of time to maintain or replace due to the fact that a bridge constructed in a few years ages for a long time. A bridge ductile earthquake-resistant structure easy to replace after earthquake comprises an installation base; the top of the mounting base is fixedly provided with a mounting plate A; the mounting plate A is provided with an anti-seismic plate A in a sliding manner; and two groups of dampers are fixedly arranged at the top of the anti-seismic plate A. According to the invention, the anti-seismic plate A can be pushed forwards by the reset structure at the rear end inside the mounting plate A, and the anti-seismic plate A is popped out, so that the anti-seismic plate A is convenient to work after an earthquake and is convenient to maintain or replace after the earthquake.)

1. The utility model provides a bridge ductility earthquake-resistant structure who easily replaces after shake which characterized in that: comprises a mounting base (1); the top of the mounting base (1) is fixedly provided with a mounting plate A (2); the mounting plate A (2) is provided with an anti-seismic plate A (3) in a sliding manner; two groups of dampers (301) are fixedly arranged at the top of the anti-seismic plate A (3); the top of each damper (301) is fixedly provided with a bottom plate (302); the top of the bottom plate (302) is fixedly provided with an anti-seismic plate B (4); the anti-seismic plate B (4) is fixedly provided with a mounting plate B (401); the top of the mounting plate B (401) is provided with a connecting plate (5) in a sliding manner; and a main beam (6) is fixedly arranged at the top of the connecting plate (5).

2. The ductile earthquake-resistant structure of bridge easy to replace after earthquake according to claim 1, wherein: the mounting base (1) further comprises a pier (101) and a base (102); the bottom of the mounting base (1) is filled with piers (101); the base (102) is laid at the bottom of the pier (101).

3. The ductile earthquake-resistant structure of bridge easy to replace after earthquake according to claim 1, wherein: the mounting plate A (2) further comprises a reset structure (201) and a baffle plate A (202); three groups of reset structures (201) are fixedly arranged on one side in the mounting plate A (2); a baffle A (202) is fixedly arranged at the front end of the resetting structure (201); a connecting hole is formed in one end of the inner portion of the mounting plate A (2), and a threaded structure is arranged in the connecting hole.

4. The ductile earthquake-resistant structure of bridge easy to replace after earthquake according to claim 1, wherein: the anti-seismic plate A (3) further comprises a fixed block (303), an anti-seismic frame A (304), an anti-seismic rod A (305) and a connecting bottom plate (306); a fixed block (303) is fixedly arranged at the front end of the anti-seismic plate A (3); the top of the fixed block (303) is provided with a connecting hole, and the inside of the connecting hole is provided with a thread structure; the anti-seismic plate A (3) can be fixed with the mounting plate A (2) through the connecting hole of the fixing block (303) by inserting a bolt; two groups of sliding grooves are formed in the top of the anti-seismic plate A (3), and two groups of anti-seismic frames A (304) are arranged in the sliding grooves in a sliding mode; the tops of the anti-seismic frames A (304) are rotatably provided with anti-seismic rods A (305) through hinged connection; the rear ends of the anti-seismic frames A (304) are fixedly provided with anti-seismic springs; one end of the anti-seismic rod A (305) is rotatably provided with a connecting bottom plate (306) through hinge connection; the top of the connecting bottom plate (306) is fixedly connected with the bottom of the anti-seismic plate B (4).

5. The ductile earthquake-resistant structure of bridge easy to replace after earthquake according to claim 1, wherein: the anti-seismic plate B (4) further comprises a connecting block (402), an anti-seismic frame B (403) and an anti-seismic rod B (404); the bottom of the mounting plate B (401) is integrally provided with a connecting block (402); two groups of anti-seismic frames B (403) are arranged on two sides in the anti-seismic plate B (4) in a sliding manner through anti-seismic rods; one side of the anti-seismic frame B (403) is rotatably provided with an anti-seismic rod B (404) through hinged connection; one end of the anti-seismic rod B (404) is hinged with the connecting block (402).

6. The ductile earthquake-resistant structure of bridge easy to replace after earthquake according to claim 1, wherein: the connecting plate (5) further comprises a supporting plate (501) and a cushion seat (502); supporting plates (501) are uniformly arranged on two sides of the connecting plate (5); two groups of cushion seats (502) are integrally arranged at the bottom of the supporting plate (501).

7. The ductile earthquake-resistant structure of bridge easy to replace after earthquake according to claim 1, wherein: the main beam (6) also comprises a concrete layer (601) and a baffle B (602); a concrete layer (601) is laid on the top of the main beam (6); both sides of the main beam (6) are fixedly provided with baffle plates B (602).

Technical Field

The invention relates to the technical field of bridges, in particular to a ductile earthquake-resistant structure of a bridge, which is easy to replace after an earthquake.

Background

The anti-seismic bridge structure is to build a bridge in an earthquake region, and the anti-seismic bridge structure needs to be researched in order to ensure that the bridge has enough safety to possible earthquakes or reduce earthquake damage so as to be convenient to repair. The contents of the method comprise bridge earthquake damage macroscopic investigation, and earthquake-proof design and earthquake-proof measures of a bridge structure.

The invention discloses a bridge anti-seismic support and an anti-seismic bridge structure through retrieval of patents with the patent number of CN111851277A, for example, the invention comprises a bridge body arranged at the top of a pier and a collision damping mechanism arranged at the outer side of the pier, wherein the bottom of the bridge body is fixedly arranged at the top of the pier through a support seat, guardrails are arranged on two sides of the bridge surface of the bridge body, a vertical guide rail is fixedly arranged on the outer side of the lower part of the pier, and the collision damping mechanism is movably arranged at the outer end of the pier through the vertical guide rail. The bridge structure is used on a water-crossing bridge, can prevent a fishing boat or other ships running in water from losing control and colliding against the bridge piers to cause casualties, and simultaneously protects the bridge piers.

However, the bridge can be damaged in different degrees after an earthquake occurs, and the bridge is also very inconvenient to maintain after the earthquake, and meanwhile, the bridge constructed earlier can also be inconvenient to disassemble due to aging, and a large amount of time is needed to be consumed for maintenance or replacement, so that the existing requirement is not met, and the ductile earthquake-resistant structure of the bridge easy to replace after the earthquake is provided.

Disclosure of Invention

Problem (A)

The invention aims to provide a ductile earthquake-resistant structure of a bridge easy to replace after an earthquake, which aims to solve the problems that the bridge proposed in the background art is damaged in different degrees after the earthquake occurs, the bridge is very inconvenient to maintain after the earthquake, and an earthquake-resistant device is inconvenient to disassemble and needs a large amount of time to maintain or replace due to the fact that a bridge built in a few years ages for a long time.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a bridge ductile earthquake-resistant structure easy to replace after earthquake comprises an installation base; the top of the mounting base is fixedly provided with a mounting plate A; the mounting plate A is provided with an anti-seismic plate A in a sliding manner; two groups of dampers are fixedly arranged at the top of the anti-seismic plate A; bottom plates are fixedly arranged at the tops of the dampers; the top of the bottom plate is fixedly provided with an anti-seismic plate B; the anti-seismic plate B is fixedly provided with a mounting plate B; the top of the mounting plate B is provided with a connecting plate in a sliding manner; the top of the connecting plate is fixedly provided with a main beam.

Preferably, the installation base further comprises a pier and a base; the bottom of the mounting base is filled with piers; and a base is laid at the bottom of the pier.

Preferably, the mounting plate A further comprises a reset structure and a baffle plate A; three groups of reset structures are fixedly arranged on one side inside the mounting plate A; a baffle A is fixedly arranged at the front end of the reset structure; a connecting hole is formed in one end of the inner portion of the mounting plate A, and a threaded structure is arranged inside the connecting hole.

Preferably, the anti-seismic plate A further comprises a fixed block, an anti-seismic frame A, an anti-seismic rod A and a connecting bottom plate; a fixed block is fixedly arranged at the front end of the anti-seismic plate A; the top of the fixed block is provided with a connecting hole, and the inside of the connecting hole is provided with a thread structure; the anti-seismic plate A can be fixed with the mounting plate A through the fixing block connecting hole by inserting bolts; two groups of sliding grooves are formed in the top of the anti-seismic plate A, and two groups of anti-seismic frames A are arranged in the sliding grooves in a sliding mode; the top of each anti-seismic frame A is rotatably provided with an anti-seismic rod A through hinged connection; the rear ends of the anti-seismic frames A are fixedly provided with anti-seismic springs; one end of the anti-seismic rod A is rotatably provided with a connecting bottom plate through hinged connection; the top of the connecting bottom plate is fixedly connected with the bottom of the anti-seismic plate B.

Preferably, the anti-seismic plate B further comprises a connecting block, an anti-seismic frame B and an anti-seismic rod B; the bottom of the mounting plate B is integrally provided with a connecting block; two groups of anti-seismic frames B are arranged on two sides in the anti-seismic plate B in a sliding manner through anti-seismic rods; one side of the anti-seismic frame B is rotatably provided with an anti-seismic rod B through hinged connection; one end of the anti-seismic rod B is hinged with the connecting block.

Preferably, the connecting plate further comprises a supporting plate and a cushion seat; supporting plates are arranged on two sides of the connecting plate in a uniform mode; two groups of cushion seats are integrally arranged at the bottom of the supporting plate.

Preferably, the main beam further comprises a concrete layer and a baffle B; a concrete layer is laid on the top of the main beam; both sides of the main beam are fixedly provided with baffle plates B.

(III) advantageous effects

The invention provides a ductile anti-seismic structure of a bridge, which is easy to replace after an earthquake, wherein a mounting plate A is arranged, when the ductile anti-seismic structure is installed, an anti-seismic plate A is firstly installed in the mounting plate A, then a fixing block is pushed inwards by force to align with a connecting hole of the mounting plate A, a bolt is inserted for fixing, the installation is completed, after the earthquake, and when the maintenance or the replacement is needed, the bolt is only required to be pulled out, the anti-seismic plate A is pushed forwards by a reset structure at the rear end inside the mounting plate A, the anti-seismic plate A is popped out, so that the ductile anti-seismic structure of the bridge is convenient to work after the.

Through the setting of connecting plate, when earthquake, when needing to maintain and inspect the bridge, antidetonation board B top connecting plate, the backup pad and the installation base cooperation hydraulic jack of connecting plate both sides work, need cooperate hydraulic jack work with devices such as pier outer mounting mount, further improve the maintenance work efficiency after the earthquake, improve emergency relief function and shake repairability after with, and then reduce the construction step.

Drawings

FIG. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is a schematic structural view of an earthquake-resistant panel A according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a mounting plate A according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a connection plate according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an earthquake-resistant panel B according to an embodiment of the present invention;

FIG. 6 is a schematic perspective view of an axial side of an embodiment of the present invention;

FIG. 7 is a schematic view of a main beam structure in an embodiment of the invention;

in the drawings, the corresponding relationship between the part names or lines and the reference numbers is as follows:

1. installing a base; 101. a bridge pier; 102. a substrate; 2. mounting a plate A; 201. a reset structure; 202. a baffle A; 3. an anti-seismic plate A; 301. a damper; 302. a base plate; 303. a fixed block; 304. an anti-seismic frame A; 305. an anti-seismic rod A; 306. connecting the bottom plate; 4. an anti-seismic plate B; 401. mounting a plate B; 402. connecting blocks; 403. an anti-seismic frame B; 404. an anti-seismic rod B; 5. a connecting plate; 501. a support plate; 502. a pad seat; 6. a main beam; 601. a concrete layer; 602. and a baffle B.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 7, an embodiment of the present invention includes: a bridge ductile earthquake-resistant structure easy to replace after earthquake comprises an installation base 1; the installation base 1 further comprises a pier 101 and a base 102; the bottom of the installation base 1 is filled with piers 101; a base 102 is laid at the bottom of the pier 101, and a mounting plate A2 is fixedly arranged at the top of the mounting base 1; the mounting plate A2 also comprises a reset structure 201 and a baffle plate A202; three groups of reset structures 201 are fixedly arranged on one side inside the mounting plate A2; a baffle A202 is fixedly arranged at the front end of the resetting structure 201; one end of the inside of the mounting plate A2 is provided with a connecting hole, and the inside of the connecting hole is provided with a thread structure; the mounting plate A2 is provided with a shock-proof plate A3 in a sliding manner; two groups of dampers 301 are fixedly arranged at the top of the anti-seismic plate A3; the top of each damper 301 is fixedly provided with a bottom plate 302; the top of the bottom plate 302 is fixedly provided with an anti-seismic plate B4; the anti-seismic plate B4 is fixedly provided with a mounting plate B401; the top of the mounting plate B401 is provided with a connecting plate 5 in a sliding manner; the connecting plate 5 further comprises a supporting plate 501 and a cushion seat 502; supporting plates 501 are integrally arranged on two sides of the connecting plate 5; two groups of cushion seats 502 are integrally arranged at the bottom of the supporting plate 501; the top of the connecting plate 5 is fixedly provided with a main beam 6; the main beam 6 also comprises a concrete layer 601 and a baffle B602; a concrete layer 601 is laid on the top of the main beam 6; both sides of the main beam 6 are fixedly provided with baffle plates B602.

The anti-seismic plate A3 further comprises a fixed block 303, an anti-seismic frame A304, an anti-seismic rod A305 and a connecting bottom plate 306; the front end of the anti-seismic plate A3 is fixedly provided with a fixed block 303; the top of the fixed block 303 is provided with a connecting hole, and the inside of the connecting hole is provided with a thread structure; the anti-seismic plate A3 can be fixed by inserting bolts through the connecting holes of the fixing block 303 and the connecting holes of the mounting plate A2; the top of the anti-seismic plate A3 is provided with two groups of sliding grooves, and two groups of anti-seismic frames A304 are arranged in the sliding grooves in a sliding manner; the tops of the anti-seismic frames A304 are rotatably provided with anti-seismic rods A305 through hinged connection; the rear ends of the anti-seismic frames A304 are fixedly provided with anti-seismic springs; one end of the anti-seismic rod A305 is rotatably provided with a connecting bottom plate 306 through hinged connection; the top of the connecting bottom plate 306 is fixedly connected with the bottom of the anti-seismic plate B4.

The anti-seismic plate B4 further comprises a connecting block 402, an anti-seismic frame B403 and an anti-seismic rod B404; the bottom of the mounting plate B401 is integrally provided with a connecting block 402; two groups of anti-seismic frames B403 are arranged on two sides in the anti-seismic plate B4 in a sliding manner through anti-seismic rods; one side of the anti-seismic frame B403 is rotatably provided with an anti-seismic rod B404 through hinged connection; one end of each anti-seismic rod B404 is hinged with the connecting block 402.

The working principle is as follows: when the anti-seismic plate fixing device is used, firstly, the anti-seismic plate A3 and the anti-seismic plate B4 are installed at the bottom of the main beam 6, firstly, the anti-seismic plate A3 is installed in the mounting plate A2, then the connecting hole aligned with the mounting plate A2 of the fixing block 303 is pushed inwards forcibly, the bolt is inserted for fixing, the installation is completed, after an earthquake occurs, when maintenance or replacement is needed, the bolt only needs to be pulled out, the anti-seismic plate A3 can be pushed forwards by the reset structure 201 at the rear end inside the mounting plate A2, the anti-seismic plate A3 is popped out, and therefore, the anti-seismic plate fixing device is convenient to work after.

When the bridge needs to be maintained and checked, the top of the anti-seismic plate B4 is connected with the plate 5, the supporting plates 501 and the mounting bases 1 on two sides of the connecting plate 5 are matched with the hydraulic jack to work, and devices such as a fixing frame and the like are usually required to be mounted outside the pier 101 to be matched with the hydraulic jack to work, so that the maintenance work efficiency after earthquake is further improved, the emergency disaster relief function and the repairability after earthquake are improved, and further the construction steps are reduced.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.