CN218492262U

CN218492262U - Bridge vibration attenuation transmitter

Info

Publication number: CN218492262U
Application number: CN202222556894.5U
Authority: CN
Inventors: 赵宝文; 刘振法; 李立新; 张利辉; 李靖; 田志; 吴聪利; 付强; 李金红; 赵九平; 吴增辉
Original assignee: Hebei University of Science and Technology; Energy Research Institute of Hebei Academy of Sciences; Hebei Baoli Engineering Equipment Group Co Ltd
Current assignee: Hebei University of Science and Technology; Energy Research Institute of Hebei Academy of Sciences; Hebei Baoli Engineering Equipment Group Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-02-17
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a bridge vibrations weaken transmitter, include: the bridge comprises a bridge main body, wherein piers are arranged below the bridge main body, and connecting grooves are reserved at the tops of the piers; the connecting seat, fixed setting is in the bottom of bridge main part, the connecting seat joint is in the inside of spread groove, and install main shock attenuation seat between the bottom of connecting seat and the bottom surface of spread groove, be connected through connecting seat and spread groove between bridge main part and the pier, and all install the shock attenuation seat in the bottom surface and the side of junction, make damping device not only have the shock-absorbing function of vertical direction, the shock-absorbing function who still has horizontal side direction can carry out omnidirectional shock attenuation protection, the life of its effectual multiplicable bridge of shock attenuation, the design of water level detection instrument and warning light simultaneously, water level detection instrument can send the signal of telecommunication when making pier upper surface ponding too dark, thereby the controller receives behind the signal of telecommunication warning light and reports to the police and can improve damping device's security.

Description

Bridge vibration weakening transmitter

Technical Field

The utility model relates to a bridge shock attenuation technical field specifically is a bridge vibrations weaken transmitter.

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. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting position of the bridge span structure and the bridge pier or the bridge abutment; the attached structure refers to bridge end lapping plate, taper slope protection, bank protection, diversion engineering, etc. In the bridge construction process, the base part of the bridge is usually subjected to damping treatment, so that the stress between bridge parts can be reduced by the device, and the service life of the bridge is prolonged.

As in application No.: 202110179129.3, the utility model discloses a bridge shock absorber, include: the damping device comprises an inner hoop, an outer hoop, a damping support and a flange ring, wherein the inner hoop and the outer hoop are formed by splicing a left semicircular arc piece and a right semicircular arc piece; the left semi-circular arc piece of the inner hoop, the left semi-circular arc piece of the outer hoop, the right semi-circular arc piece of the inner hoop and the right semi-circular arc piece of the outer hoop are connected into a whole through a damping bracket; the flange ring is vertically fixed on the top end of the outer hoop. The invention discloses a bridge shock absorber which can meet the requirement of support replacement, has better energy consumption capability, can respond to the displacement of a beam body by 360 degrees, enables a sliding pier to participate in cooperative anti-seismic, is beneficial to preventing the beam body from sliding off, and is suitable for newly building and anti-seismic reinforcement of railway bridges, highway bridges, urban viaducts and various continuous bridge bridges.

Bridge shock absorbers similar to the above application have the following disadvantages:

one is that although the existing bridge damper can realize the damping effect when realizing damping, water is easy to accumulate on the upper surface of a bridge pier, which affects the safety of a damping device; moreover, if passing vehicles can bring certain vibration to the bridge in the driving process, the vibration is not gradually reduced.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a bridge vibration attenuation transmitter is provided to achieve the purpose of having more practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge vibrations weaken transmitter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a bridge vibration attenuation transducer comprising:

the bridge comprises a bridge main body, wherein a bridge pier is arranged below the bridge main body, a connecting groove is reserved at the top of the bridge pier, and a bridge rubber cushion block is paved on the contact surface of the bridge main body and the bridge pier;

the connecting seat is fixedly arranged at the bottom of the bridge main body, the vertical center line of the connecting seat corresponds to the vertical center line of the connecting groove, the connecting seat is clamped in the connecting groove, and a main damping seat is arranged between the bottom of the connecting seat and the bottom surface of the connecting groove;

and the side shock absorbing seats are respectively arranged at the vertical adjacent surface positions of the connecting seat and the connecting groove, and the main structures of the side shock absorbing seats and the main shock absorbing seat are consistent.

Preferably:

and the warning lamps are arranged at two ends of the bridge main body.

Preferably, the warning light further includes:

the water level detector is arranged on the inner wall of the bridge pier, a measuring line connected with the water level detector is distributed along the outer surface of the bridge pier from top to bottom, and the warning lamp is electrically connected with the water level detector through a conducting wire;

and the drainage pipes are symmetrically embedded on the side walls of the bridge piers.

Preferably, the drain pipe further comprises:

the connecting holes are arranged at four corners of the top plate and the bottom plate, and the top plate and the bottom plate are fixedly connected by arranging damping shock absorption rods at the four corners through the connecting holes;

and the lead pin is connected to the middle parts of the top plate and the bottom plate through the connecting hole.

Preferably, the lead pin further comprises:

a damping spring installed at an outer side of the damping shock rod;

and the damping seat clamping grooves are symmetrically arranged at the bottom and two sides of the connecting groove and the connecting seat.

Preferably, the damper seat clamping groove further comprises:

the high-resilience steel plate is inserted and installed inside the rubber body;

and the nut grooves are arranged at the opening of the connecting hole.

Compared with the prior art, the beneficial effects of the utility model are that: the bridge vibration weakening conductor adopts a novel structural design, a damping spring is arranged on a damping shock absorption rod between a top plate and a bottom plate of the bridge vibration weakening conductor, the shock absorption effect of a shock absorption seat can be improved through spring contraction, and meanwhile, the shock absorption seat is enabled to be restored to an original state as soon as possible through the return force action of the spring after the shock absorption seat is deformed and damped, so that preparation is made for next shock absorption;

1. the bridge main body is connected with the bridge piers through the connecting seats and the connecting grooves, and the damping seats are arranged on the bottom surface and the side surfaces of the connecting positions, so that the damping device not only has a damping function in the vertical direction, but also has a damping function in the horizontal side direction, can perform all-around damping protection, has a good damping effect and can prolong the service life of the bridge;

2. and through the design of adding water level detection instrument and warning light, when surface ponding is too dark on the pier, the water level detection instrument can send the signal of telecommunication, and the warning light reports to the police after the controller received the signal of telecommunication to can improve damping device's security.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the shock mount of the present invention;

FIG. 3 is a schematic sectional view of the shock absorbing seat of the present invention;

FIG. 4 is the schematic view of the top plate sectional structure of the present invention

Fig. 5 is a schematic view of the sectional structure of the connecting seat of the present invention.

In the figure: 1. a bridge main body; 2. a bridge pier; 3. connecting grooves; 4. a connecting seat; 5. a main shock mount; 6. a lateral shock mount; 7. a top plate; 8. a base plate; 9. a rubber body; 10. a warning light; 11. a water level detector; 12. a drain pipe; 13. connecting holes; 14. a damping shock-absorbing rod; 15. a lead pin; 16. a damping spring; 17. a damping seat clamping groove; 18. a high resilience steel plate; 19. a nut groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a bridge vibration attenuation transducer comprising: the bridge comprises a bridge main body 1, wherein piers 2 are arranged below the bridge main body 1, bridge rubber cushion blocks are laid on the contact surfaces of the bridge main body 1 and the piers 2, vibration transmitted from a primary bridge floor is weakened by utilizing the sound absorption and vibration absorption properties of the bridge rubber cushion blocks, a connecting groove 3 is reserved at the top of each pier 2, and an assembling space for installing a main vibration absorption seat 5 and a side vibration absorption seat 6 is reserved between the connecting groove and the pier 2; the connecting seat 4 is fixedly arranged at the bottom of the bridge main body 1, the vertical center line of the connecting seat 4 corresponds to the vertical center line of the connecting groove 3, the connecting seat 4 is clamped inside the connecting groove 3, and a main damping seat 5 is arranged between the bottom of the connecting seat 4 and the bottom surface of the connecting groove 3; side shock absorber seat 6, its vertical adjacent surface position of installing at connecting seat 4 and spread groove 3 respectively, side shock absorber seat 6 is unanimous with the major structure of main shock absorber seat 5, and side shock absorber seat 6 still includes: bottom plate 8, its lower extreme that sets up at roof 7, install the rubber body 9 between roof 7 and the bottom plate 8, after the vertical ascending shock wave of side shock attenuation board 6 horizontal shock waves through main cushion socket 5 weaken, the amplitude of the vibrations under the conduction of bridge surface has significantly reduced, the vibrations of conducting pier 2 also reduce thereupon, reduce the impact to pier 2, connecting seat 4 is formed by reinforced concrete pouring, the bottom and the both sides of connecting seat 4 and spread groove 3 all are provided with cushion socket draw-in groove 17, roof 7 all clamps in the draw-in groove with bottom plate 8 during the cushion socket installation, make its simple to operate firm: warning light 10, its both ends of installing at bridge main part 1, warning light 10 is still including: the water level detector 11 is arranged on the inner wall of the pier 2, a measuring line connected with the water level detector 11 is distributed along the outer surface of the pier 2 from top to bottom, and the warning lamp 10 is electrically connected with the water level detector 11 through a conducting wire; the drain pipe 12, its symmetry is installed on the lateral wall of pier 2, and the drain pipe 12 is still including: the connecting holes 13 are arranged at four corners of the top plate 7 and the bottom plate 8, the top plate 7 and the bottom plate 8 are fixedly connected through damping shock absorption rods 14 arranged at the four corner connecting holes 13, and water drainage pipes 12 are arranged on the side walls of two sides of the pier 2, so that excessive accumulated water in the later period can be conveniently drained; lead pin 15, it is connected in the middle part of roof 7 and bottom plate 8 through connecting hole 13, lead pin 15 still including:

a damping spring 16 installed at an outer side of the damping strut 14; damping mount draw-in groove 17, its symmetry sets up in the bottom and both sides of spread groove 3 and connecting seat 4, and damping mount draw-in groove 17 is still including: a high resilience steel plate 18 inserted into the rubber body 9; and the nut grooves 19 are arranged at the opening of the connecting hole 13, the lead pin 15 is pressed in the rubber body 9, wherein the rubber body 9 can play a good buffering and damping function, and the lead pin 15 is mainly made of lead and has good performance of recrystallization at normal temperature, so that the damping effect is further improved.

The working principle is as follows: when the device is used, firstly, as shown in figures 1-5, when a bridge is used, a certain vibration is generated because a passing vehicle runs, the bridge main body 1 and the bridge pier 2 are connected with the connecting groove 3 through the connecting seat 4, the bottom surface and the side surface of the connecting part are both provided with the main damping seat 5 and the side damping seat 6, so that the damping device not only has a vertical damping function, but also has a horizontal side damping function and can perform omnibearing damping protection, the damping effect is good, the service life of the bridge is prolonged, the connecting seat 4 is formed by pouring reinforced concrete, the bottom and two sides of the connecting seat 4 and the connecting groove 3 are both provided with damping seat clamping grooves 17, a top plate 7 and a bottom plate 8 are both clamped in the clamping grooves when the damping seats are installed, the installation is convenient and stable, the opening of the connecting hole 13 is both provided with a nut groove 19, the damping of the damping shock-absorbing rod 14 and a matched nut can be arranged in the groove when in connection, so that the two end surfaces of the shock absorption seat are smooth, the damping shock absorption rod 14 between the top plate 7 and the bottom plate 8 is provided with the damping spring 16, the damping effect of the shock absorption seat can be improved through the contraction of the spring, meanwhile, the shock absorption seat can be restored to the original state as soon as possible through the resilience action of the spring after the shock absorption seat is deformed and damped, the preparation is made for the next damping, the controller is used for controlling the operation of the water level detector 11 and the warning lamp 10, when the water on the upper surface of the bridge pier 2 is too deep, the water level detector 11 can send out an electric signal, the warning lamp 10 gives an alarm after the controller receives the electric signal, so that the safety of the shock absorption device can be improved, the drain pipes 12 are arranged on the side walls on the two sides of the bridge pier 2, the excessive accumulated water can be conveniently discharged in the later period, meanwhile, the lead pin 15 is pressed into the rubber body 9, wherein the rubber body 9 can play a good buffering and shock absorption function, the lead pin 15 is mainly made of lead, has good recrystallization performance at normal temperature, further improves the damping effect, and the rubber body 9 is internally spliced with a plurality of high-resilience steel plates 18 which are uniformly distributed, so that the rigidity of the rubber body 9 can be increased, and the excessive deformation of the rubber body 9 is prevented.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bridge vibration attenuation conductor comprising:

the bridge comprises a bridge main body (1), wherein a bridge pier (2) is arranged below the bridge main body (1), a bridge rubber cushion block is paved on a contact surface of the bridge main body (1) and the bridge pier (2), and a connecting groove (3) is reserved at the top of the bridge pier (2);

the connecting seat (4) is fixedly arranged at the bottom of the bridge main body (1), the vertical center line of the connecting seat (4) corresponds to the vertical center line of the connecting groove (3), the connecting seat (4) is clamped inside the connecting groove (3), a main damping seat (5) is arranged between the bottom of the connecting seat (4) and the bottom surface of the connecting groove (3), and the upper end surface and the lower end surface of the main damping seat (5) are respectively provided with a top plate (7) and a bottom plate (8); a rubber body (9) is embedded between the top plate (7) and the bottom plate (8) by adopting a groove structure;

and the side shock absorbing seats (6) are respectively arranged at the vertical adjacent surface positions of the connecting seat (4) and the connecting groove (3), and the side shock absorbing seats (6) are consistent with the main structure of the main shock absorbing seat (5).

2. The bridge vibration attenuation conductor of claim 1, wherein:

and the warning lamps (10) are arranged at two ends of the bridge main body (1).

3. The bridge vibration attenuation conductor of claim 2, wherein the warning light (10) further comprises:

the water level detector (11) is arranged on the inner wall of the pier (2), a measuring line connected with the water level detector (11) is arranged along the outer surface of the pier (2) from top to bottom, and the warning lamp (10) is electrically connected with the water level detector (11) through a conducting wire;

and the drainage pipes (12) are symmetrically embedded on the side wall of the pier (2).

4. A bridge vibration attenuation conductor according to claim 3, characterized in that said drain pipe (12) further comprises:

connecting holes (13) which are arranged at four corners of the top plate (7) and the bottom plate (8), and the top plate (7) and the bottom plate (8) are provided with damping shock absorption rods (14) for fastening connection through the four corners of the connecting holes (13);

and a lead pin (15) connected to the middle of the top plate (7) and the bottom plate (8) through the connecting hole (13).

5. A bridge vibration attenuation transducer according to claim 4, characterized in that said lead pin (15) further comprises:

a damping spring (16) mounted on the outside of the damping shock rod (14);

and the damping seat clamping grooves (17) are symmetrically arranged at the bottoms and two sides of the connecting grooves (3) and the connecting seats (4).

6. The bridge vibration attenuation conductor of claim 5, wherein the shock absorbing seat slot (17) further comprises:

a high resilience steel plate (18) inserted and mounted inside the rubber body (9);

and nut grooves (19) which are arranged at the opening of the connecting hole (13).