CN210066469U - An anti-seismic device for civil engineering - Google Patents

Abstract

The utility model discloses an anti-seismic device for civil engineering, comprising a bridge pier, a first bridge deck and a second bridge deck. Connect at the bottom of one end. In the utility model, through the cooperation of the first fixed block, the second fixed block, the first rotating shaft and the first damper, the first bridge deck and the second bridge deck are respectively fixed to the bridge pier through the first damper. It has the effect of reducing the force of the left and right shaking between the first bridge deck, the second bridge deck and the bridge pier when an earthquake occurs, which is convenient to improve the earthquake resistance of the bridge; through the cooperation of the fixing ring and the expansion hose, the The effect that the telescopic hoses are respectively fixed on the outer side wall of the first damper and the outer side wall of the second damper realizes the function of preventing the corrosion of the first damper and the second damper by rainwater and dust, and is convenient to improve the first damper the service life of the damper and the second damper.

Description

An anti-seismic device for civil engineering

technical field

The utility model relates to the technical field of anti-seismic devices, in particular to an anti-seismic device for civil engineering.

Background technique

Civil engineering is a general term for the science and technology of constructing various engineering facilities. It refers not only to the applied materials, equipment and technical activities such as surveying, design, construction, maintenance and repair, etc.; , various engineering facilities for production, military, scientific research services, such as houses, roads, railways, transportation pipelines, tunnels, bridges, canals, dams, ports, power stations, airports, offshore platforms, water supply and drainage, and protection works, etc., When the current bridge is being built, the piers are first pre-buried, and then the customized bridge deck is placed on the top of the pier, and then the pavement is laid on the bridge deck to form a bridge.

During the construction of the current bridge, the shock-absorbing bearing is usually installed at the connection between the pier and the bridge deck, so as to reliably transmit all the load of the bridge superstructure to the pier and abutment, and reduce and relieve the vibration of the pier, and at the same time improve the The seismic performance of bridges, and earthquakes are divided into transverse waves and longitudinal waves. The longitudinal waves of the earthquake will cause the piers to move up and down, causing the piers of the piers to hit the bridge deck upwards. Now the shock-absorbing bearings installed on the bridge can only move up and down. It can reduce and alleviate the impact force of the bridge pier hitting the bottom of the bridge deck, and it cannot reduce and alleviate the left-right shaking of the bridge caused by the seismic shear wave.

To this end, we propose a civil engineering seismic device to solve the above problems.

Utility model content

The purpose of this utility model is to solve the problem of existing in the prior art that in the process of construction of the current bridge, the shock-absorbing bearing is usually installed at the connection between the pier and the bridge deck, so as to reliably transmit all the load of the upper structure of the bridge to the pier abutment The earthquake is divided into transverse waves and longitudinal waves. The longitudinal waves of the earthquake will cause the piers to move up and down, causing the piers of the pier to hit the bridge deck upwards, and now The shock-absorbing bearing installed on the bridge can only reduce and alleviate the piers that move up and down, reduce the impact force of the piers hitting the bottom of the bridge deck, and cannot reduce and alleviate the problem of the left-right shaking of the bridge caused by the seismic shear waves. A civil engineering anti-seismic device.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

An anti-seismic device for civil engineering, comprising a bridge pier, a first bridge deck and a second bridge deck, wherein the tops of the bridge piers are respectively connected with the bottom of one end of the first bridge deck and the bottom of one end of the second bridge deck through a shock absorbing mechanism. The top outer side walls of the bridge piers are fixedly connected with a plurality of first fixing blocks, the bottom of the first bridge deck and the bottom of the second bridge deck are respectively fixed with a plurality of second fixing blocks, and the first fixing blocks are connected to the bottom of the bridge deck. The second fixing block is provided with a first groove, the inner side wall of the first groove is rotatably connected with a first rotating shaft, the two corresponding first rotating shafts are connected by a first damper, the first bridge The two sides of the deck are respectively connected with the two sides of the second bridge deck through the connecting mechanism.

Further, the shock-absorbing mechanism includes a shock-absorbing support, the top of the shock-absorbing support is connected to the bottom of one end of the first bridge deck and the bottom of one end of the second bridge deck through the upper support plate, and the shock-absorbing support The bottom of the bridge is fixed with the top of the pier through the lower support plate.

Further, the connection mechanism includes a third fixing block fixedly connected to the outer sidewalls on both sides of the first bridge deck and the outer sidewalls on both sides of the second bridge deck, the third fixing block is provided with a second groove, the The inner side wall of the second groove is rotatably connected with a second rotating shaft, and the two corresponding second rotating shafts are connected by a second damper.

Further, the first fixing block, the second fixing block and the third fixing block are respectively connected to the bridge pier, the first bridge deck and the second bridge deck through a plurality of fixing screws.

Further, the outer side walls at both ends of the first damper and the outer side walls at both ends of the second damper are respectively fixed and sleeved with fixing rings, and the outer side walls of the first damper and the outer side walls of the second damper are respectively fixed and sleeved with fixing rings. A telescopic hose is respectively sleeved, and both ends of the telescopic hose are respectively fixedly connected with the outer side walls of the two fixing rings.

The technical solutions provided by the embodiments of the present utility model may include the following beneficial effects:

1. Through the cooperation of the first fixed block, the second fixed block, the first rotating shaft and the first damper, the effect that the first bridge deck and the second bridge deck are respectively fixed to the bridge pier through the first damper is achieved, It realizes the function of alleviating the force of the left and right shaking between the first bridge deck, the second bridge deck and the bridge piers when an earthquake occurs, which is convenient to improve the earthquake resistance of the bridge;

2. Through the cooperation of the fixing ring and the telescopic hose, the effect that the telescopic hose is respectively fixed on the outer side wall of the first damper and the outer side wall of the second damper is achieved, and the effect of rain and dust on the first damper is avoided. And the corrosion function of the second damper is convenient to improve the service life of the first damper and the second damper.

Description of drawings

Fig. 1 is the structural representation of a kind of civil engineering anti-seismic device proposed by the utility model;

Fig. 2 is the structural representation at A place in Fig. 1;

Fig. 3 is a left-view structural schematic diagram of a civil engineering anti-seismic device proposed by the utility model.

In the figure: 1. Bridge pier; 2. The first bridge deck; 3. The second bridge deck; 4. The first fixing block; 5. The second fixing block; 6. The first rotating shaft; 7. The first damper; 8. Fixing ring; 9. Telescopic hose; 10. Third fixing block; 11. Second rotating shaft; 12. Second damper; 13. Fixing screw; 14. Damping support; 15. Upper support plate; 16. Lower support plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-3, a civil engineering anti-seismic device includes a bridge pier 1, a first bridge deck 2 and a second bridge deck 3. The top of the bridge pier 1 is respectively connected to the bottom of one end of the first bridge deck 2 and the first bridge deck 2 through a shock absorbing mechanism. One end bottom of the two bridge decks 3 is connected, and the shock absorbing mechanism includes a shock absorbing support 14 , and the top of the shock absorbing support 14 is connected with one end bottom of the first bridge deck 2 and one end bottom of the second bridge deck 3 through the upper support plate 15 . , the bottom of the shock-absorbing support 14 is fixedly connected to the top of the bridge pier 1 through the lower support plate 16. It should be noted that the shock-absorbing support 14 is in the prior art, and will not be described here. The support plate 16 is welded to the top and bottom of the shock-absorbing support 14, respectively, and the upper support plate 15 is respectively fixed to the bottom of one end of the first bridge deck 2 and the bottom of one end of the second bridge deck 3 through the cooperation of bolts and nuts. , the lower support plate 16 is fixed on the top of the bridge pier 1 through the cooperation of bolts and nuts, and the function of the shock-absorbing support 14 is to reliably transmit all the load of the upper structure of the bridge to the pier and abutment, and reduce and alleviate the bearing of the bridge pier 1. At the same time, when the earthquake occurs, the impact force of the up and down impact between the pier 1 and the bridge deck is reduced and relieved, and the seismic resistance of the bridge deck is improved.

A plurality of first fixing blocks 4 are fixedly connected to the top outer side walls of the bridge pier 1, and a plurality of second fixing blocks 5 are fixedly connected to the bottom of the first bridge deck 2 and the bottom of the second bridge deck 3 respectively. 4 and the second fixed block 5 are provided with a first groove, the inner side wall of the first groove is rotatably connected with a first rotating shaft 6, and the two corresponding first rotating shafts 6 are connected by a first damper 7, it needs to be explained However, the first damper 7 is in the prior art and will not be described too much here. The function of the first damper 7 is to relieve and reduce the left and right between the bridge deck and the bridge pier 1 caused by seismic shear waves when an earthquake occurs. The impact force of the shaking is convenient to improve the seismic resistance of the bridge.

Wherein, the two sides of the first bridge deck 2 are respectively connected with the two sides of the second bridge deck 3 through a connecting mechanism, and the connecting mechanism includes a fixed connection on the outer sidewalls on both sides of the first bridge deck 2 and the outer sidewalls on both sides of the second bridge deck 3 The third fixed block 10 is provided with a second groove on the third fixed block 10, the inner side wall of the second groove is rotatably connected with a second rotating shaft 11, and the two corresponding second rotating shafts 11 are connected by a second damper 12. , the first bridge deck 2 is connected with the second bridge deck 3 through the second damper 12, so that when the bridge deck vibrates, the force of the first bridge deck 2 and the second bridge deck 3 moving in opposite directions can be reduced and relieved. It should be noted that the second damper 12 is in the prior art, and is not described here.

The first fixing block 4 , the second fixing block 5 and the third fixing block 10 are respectively connected with the bridge pier 1 , the first bridge deck 2 and the second bridge deck 3 through a plurality of fixing screws 13 , in order to facilitate the fixing of the first The block 4, the second fixed block 5 and the third fixed block 10 are respectively removed from the bridge pier 1, the first bridge deck 2 and the second bridge deck 3 or installed on the bridge pier 1, the first bridge deck 2 and the second bridge deck 3 respectively. Second deck 3.

The outer side walls of both ends of the first damper 7 and the outer side walls of both ends of the second damper 12 are respectively fixed and sleeved with fixing rings 8 , and the outer side walls of the first damper 7 and the outer side walls of the second damper 12 The telescopic hoses 9 are respectively sleeved, and the two ends of the telescopic hoses 9 are respectively fixedly connected with the outer side walls of the two fixing rings 8. It should be noted that the telescopic hoses 9 are in the prior art, and the purpose is to be sleeved on the first On the outer side wall of the damper 7 and the outer side wall of the second damper 12, the corrosion of the first damper 7 and the second damper 12 caused by rainwater and dust in the air is avoided, and the first damper 7 and the second damper are improved. the service life of the device 12.

In the present invention, one end of the first bridge deck 2 and one end of the second bridge deck 3 are respectively placed on the abutment of the bridge pier 1, and the abutment of the bridge pier 1 is respectively connected to one end of the first bridge deck 2 through the shock-absorbing support 14 The bottom is connected to the bottom of one end of the second bridge deck 3, and the shock-absorbing support 14 is used to reliably transmit all the load of the upper structure of the bridge to the abutment, and reduce and relieve the vibration of the bridge pier 1. At the same time, when an earthquake occurs, the The impact force of the up and down impact between the bridge pier 1 and the bridge deck is reduced and relieved, and the seismic resistance of the bridge deck is improved. The pier-abutment connection of the bridge pier 1 is convenient for alleviating and reducing the impact force of the left and right shaking between the bridge deck and the bridge pier 1 caused by the earthquake shear wave, which is convenient for improving the seismic resistance of the bridge. At the same time, the two sides of the first bridge deck 2 They are respectively connected with the second bridge deck 3 through the second dampers 12, so that when the bridge deck vibrates, the force of the first bridge deck 2 and the second bridge deck 3 moving in opposite directions can be reduced and relieved. The outer side walls of the second damper 12 are respectively sleeved with telescopic hoses 9, so as to avoid the corrosion of the first damper 7 and the second damper 12 caused by rainwater and dust in the air, and improve the first damper 7 and the second damper 12. The service life of the damper 12 .

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description in the specification and the drawings, and the specific connection method of each part adopts the mature bolts, rivets and welding in the prior art. and other conventional means, the machinery, parts and equipment all use conventional models in the prior art, which will not be described in detail here.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (5)

1. An anti-seismic device for civil engineering, comprising a bridge pier (1), a first bridge deck (2) and a second bridge deck (3), characterized in that the tops of the bridge piers (1) are respectively connected to the The bottom of one end of the first bridge deck (2) is connected with the bottom of one end of the second bridge deck (3). A plurality of second fixing blocks (5) are fixedly connected to the bottom of the bridge deck (2) and the bottom of the second bridge deck (3) respectively, and the first fixing block (4) and the second fixing block (5) are respectively fixed and connected. Each is provided with a first groove, the inner side wall of the first groove is rotatably connected with a first rotating shaft (6), and the two corresponding first rotating shafts (6) are connected by a first damper (7), so The two sides of the first bridge deck (2) are respectively connected with the two sides of the second bridge deck (3) through a connecting mechanism. 2 . The anti-seismic device for civil engineering according to claim 1 , wherein the shock absorbing mechanism comprises a shock absorbing support ( 14 ), and the top of the shock absorbing support ( 14 ) passes through the upper support plate ( 2 . 3 . 15) Connect to the bottom of one end of the first bridge deck (2) and the bottom of one end of the second bridge deck (3), and the bottom of the shock-absorbing support (14) is fixed to the bridge pier (1) through the lower support plate (16) top connection. 3. A civil engineering anti-seismic device according to claim 1, characterized in that, the connecting mechanism comprises a fixed connection on the outer side walls of the first bridge deck (2) on both sides and the outer sides on both sides of the second bridge deck (3). The third fixing block (10) of the wall, the third fixing block (10) is provided with a second groove, the inner side wall of the second groove is rotatably connected with a second rotating shaft (11), two corresponding The second rotating shaft (11) is connected through a second damper (12). 4. The anti-seismic device for civil engineering according to claim 1, wherein the first fixing block (4), the second fixing block (5) and the third fixing block (10) are respectively fixed by a plurality of The screw (13) is connected with the bridge pier (1), the first bridge deck (2) and the second bridge deck (3). 5 . The anti-seismic device for civil engineering according to claim 1 , wherein the outer walls at both ends of the first damper ( 7 ) and the outer walls at both ends of the second damper ( 12 ) are respectively fixed with sleeves. 6 . A fixing ring (8) is connected, the outer side wall of the first damper (7) and the outer side wall of the second damper (12) are respectively sleeved with a telescopic hose (9), the telescopic hose (9) ) are respectively fixedly connected with the outer side walls of the two fixing rings (8).

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