CN211857936U - Combined bridge design model - Google Patents

Abstract

The utility model discloses a combined bridge design model, which comprises a bridge pier, wherein a lower annular plate, a middle annular plate and an upper annular plate are fixedly connected with the outer side of the bridge pier from bottom to top in sequence, the lower annular plate and the upper annular plate are made of hard materials, the middle annular plate is made of elastic materials, a plurality of ground contact rollers are uniformly arranged at the bottom end of the lower annular plate, a plurality of limiting rollers are uniformly circumferentially arranged on the inner annular walls of the lower annular plate and the upper annular plate, and the limiting rollers are in rolling contact with the outer peripheral surface of the bridge pier; the bridge pier is circumferentially and uniformly provided with a plurality of buffering fire extinguishing devices, each buffering fire extinguishing device comprises a buffering cavity arranged in the middle ring plate and a liquid storage cavity arranged in the upper ring plate, and liquid extinguishing agents are filled in the liquid storage cavities. The utility model discloses can cushion when the vehicle is about to collide with the pier, not with the help of mechanical element, the resilience force is little, excellent in use effect, and automatic blowout liquid fire extinguishing agent carries out the processing of putting out a fire in advance, avoids exploding.

Description

Combined bridge design model

Technical Field

The utility model relates to a bridge technical field especially relates to a modular bridge design model.

Background

The bridge is a building which is built in a river or a mountain depression and is convenient for people separated from two places to pass, and at present, most of the existing bridges are fixed and can not be reproduced in a certain specific river or mountain depression by utilizing the existing topographic features. In the prior art, chinese patent publication is a modular bridge structures that CN207405547U discloses, it includes the bridge, the pier is installed to the bottom of bridge, the inboard center department of curb plate all installs the spring block, the bull stick is all installed to the bottom left and right sides of curb plate, the outer wall of bull stick has all cup jointed the round wheel. This combination formula bridge construction, when needs protect the pier, through the cooperation of curb plate and first spring, the bridge supports through the pier, the bottom of curb plate is rotated by the bull stick drive round wheel, the round wheel can make the slip of curb plate more smooth when the curb plate inwards slides, the outside of curb plate is protected by the anticollision glue and can be cushioned the reduction striking damage through first spring to the striking, can protect the pier through the device, prevent that the vehicle from colliding the pier, avoided the pier to collapse and produced danger.

On one hand, the vehicle collision is buffered by arranging the elastic component, but because the forces are mutual, the impact force of the vehicle collision is large, and the rebound force of the vehicle is large, so that the vehicle is seriously damaged; on the other hand, once a vehicle has a large traffic accident and oil leakage occurs, explosion is likely to occur, the life of a driver can be endangered under the condition, meanwhile, the bridge pier is also damaged, and the risk of bridge pier collapse exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of proposing in the background art, and a modular bridge design model that proposes.

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

a combined bridge design model comprises a bridge pier, wherein a lower ring plate, a middle ring plate and an upper ring plate are fixedly connected to the outer side of the bridge pier from bottom to top in sequence, the lower ring plate and the upper ring plate are made of hard materials, the middle ring plate is made of elastic materials, a plurality of ground contact rollers are uniformly arranged at the bottom end of the lower ring plate, a plurality of limiting rollers are uniformly arranged on the inner ring walls of the lower ring plate and the upper ring plate in the circumferential direction, and the limiting rollers are in rolling contact with the outer peripheral surface of the bridge pier; the utility model discloses a liquid extinguishing device, including setting up the buffer chamber in the well crown plate and setting up the liquid chamber of depositing in last crown plate, pier circumference equipartition has a plurality of buffering extinguishing device, buffering extinguishing device is including seting up the buffer chamber in the well crown plate and seting up the liquid chamber of depositing in last crown plate, it has liquid fire extinguishing agent to deposit the intracavity packing, the buffer chamber is connected elastic communicating pipe with depositing the liquid chamber and being close to pier department jointly, it has the stripper plate to deposit the airtight sliding connection of liquid intracavity wall axial, the stripper plate is close to pier one side and deposits the common fixedly connected with reset spring of liquid intracavity wall, deposit the liquid chamber and keep away from one side of pier and seted up.

Preferably, the outer diameter of the lower ring plate is smaller than that of the middle ring plate.

Preferably, one end of the one-way hole, which is far away from the extrusion plate, is connected with an atomizing head.

Preferably, the supplementary sealing device comprises a screw hole formed in the top end of the liquid storage cavity, a screw rod is connected with the screw hole in an internal thread manner, the upper end and the lower end of the screw rod are respectively and fixedly connected with a rotating rod and a supporting plate, and a sealing ring is glued and fixed to the upper end of the supporting plate.

Preferably, the abutting plate is circular, and the diameter of the abutting plate is larger than the inner diameter of the screw hole.

Preferably, the liquid level of the liquid fire extinguishing agent is lower than the position height of the one-way hole.

Compared with the prior art, the combined bridge design model has the advantages that:

1. in the process that the vehicle collides with the middle ring plate, under the action of the integral rotating device, the impact force of the vehicle and the pier is dispersed and transferred, the buffer cavity, the communicating pipe and a part of the liquid storage cavity form a sealed space to form an air spring, the resilience performance is weaker than that of a mechanical element, and the recovery speed is slower, so that the bidirectional protection of the vehicle and the pier is realized.

2. The vehicle is at the in-process that bumps with well crown plate, and the liquid chamber is deposited in the air of instantaneous with the cushion chamber through the crowded income of communicating pipe, promotes the stripper plate and removes towards one-way hole direction, and then will deposit the liquid fire extinguishing agent of liquid intracavity and spout through atomizing head atomizing through one-way hole, carries out the processing of putting out a fire in advance to the vehicle, avoids exploding because of factors such as oil leak.

To sum up, the utility model discloses can cushion when the vehicle is about to collide with the pier, not with the help of mechanical element, the resilience force is little, excellent in use effect, and automatic blowout liquid fire extinguishing agent carries out the processing of putting out a fire in advance, avoids exploding.

Drawings

Fig. 1 is a front perspective view of a combined bridge design model according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram of a combined bridge design model overlooking.

In the figure: 1 pier, 2 lower ring plates, 3 middle ring plates, 4 upper ring plates, 5 ground contact rollers, 6 limit rollers, 7 buffer cavities, 8 liquid storage cavities, 9 communicating pipes, 10 return springs, 11 extrusion plates, 12 one-way holes, 13 atomizing heads, 14 abutting plates, 15 sealing rings, 16 screw rods, 17 screw holes and 18 rotating rods.

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.

Referring to fig. 1-3, a combined bridge design model comprises a bridge pier 1, wherein a lower ring plate 2, a middle ring plate 3 and an upper ring plate 4 are fixedly connected to the outer side of the bridge pier 1 from bottom to top in sequence, the lower ring plate 2 and the upper ring plate 4 are made of hard materials, the middle ring plate 3 is made of elastic materials, a plurality of ground contact rollers 5 are uniformly installed at the bottom end of the lower ring plate 2, a plurality of limiting rollers 6 are uniformly installed on the inner ring walls of the lower ring plate 2 and the upper ring plate 4 in the circumferential direction, the limiting rollers 6 are in rolling contact with the outer circumferential surface of the bridge pier 1, and the ground contact rollers 5 and the limiting rollers 6 are arranged to enable the whole bridge pier 1 to have only rolling friction;

1 circumference equipartition of pier has a plurality of buffering extinguishing device, buffering extinguishing device is including offering the cushion chamber 7 in well crown plate 3 and offering the liquid chamber 8 of depositing in last crown plate 4, it explains here that, cushion chamber 7 is fan-shaped when overlooking the observation, and the side of depositing liquid chamber 8 can be circular, square isotacticity shape, it is filled with liquid fire extinguishing agent to deposit liquid chamber 8 intussuseption, liquid fire extinguishing agent is selected the type various and is prior art, cushion chamber 7 with deposit liquid chamber 8 and locate to be connected elastic communicating pipe 9 jointly near pier 1, it has stripper plate 11 to deposit the airtight sliding connection of 8 inner wall axial of liquid chamber, stripper plate 11 is close to pier 1 one side and deposits liquid chamber 8 inner wall common fixed connection and has reset spring 10, deposit liquid chamber 8 and keep away from pier 1 one side and seted up one-way hole 12, the top of depositing liquid chamber 8 is equipped with supplementary sealing device.

The outer diameter of the lower ring plate 2 is smaller than that of the middle ring plate 3, so that the vehicle is guaranteed to collide with the middle ring plate 3 instead of the lower ring plate 2.

One end of the one-way hole 12 far away from the extrusion plate 11 is connected with an atomizing head 13, a one-way valve is arranged in the one-way hole 12, so that the liquid fire extinguishing agent can be sprayed out only in one way through the one-way hole 12, the atomizing head 13 is attached to the outer peripheral surface of the upper annular plate 4, and the atomizing head 13 plays a role in atomization.

Specifically, the supplementary sealing device comprises a screw hole 17 formed in the top end of the liquid storage cavity 8, a screw rod 16 is connected with the screw hole 17 in an internal thread mode, a rotating rod 18 and a supporting plate 14 are fixedly connected to the upper end and the lower end of the screw rod 16 respectively, the supporting plate 14 is circular, the diameter of the supporting plate 14 is larger than the inner diameter of the screw hole 17, and a sealing ring 15 is fixedly glued to the upper end of the supporting plate 14.

It is worth mentioning that, under the normal condition, screw 17 and screw rod 16 are the state of screwing, and sealing washer 15 is pressing down with depositing the interior top surface in liquid chamber 8 in the support of support board 14, realizes sealedly, even when the vehicle collides well crown plate 3, also can not flow through screw 17, when needs add liquid fire extinguishing agent, only need to drive screw rod 16 precession through rotary rod 18, through support board 14 and deposit the interior space between the top surface in the liquid chamber 8 add can.

The liquid level of the liquid extinguishing agent is lower than the position height of the one-way hole 12, and the liquid extinguishing agent cannot automatically flow out through the one-way hole 12.

In the utility model, once a vehicle is in failure and is about to collide with the middle ring plate 3, because the lower ring plate 2, the middle ring plate 3 and the upper ring plate 4 are fixed into a whole, and the whole can freely rotate relative to the pier 1, the impact force of the vehicle 1 and the pier 1 is dispersed and transferred under the action of the whole rotation setting in the process that the vehicle collides with the middle ring plate 3, the buffer cavity 7, the communicating pipe 9 and a part of the liquid storage cavities 8 form a sealed space to form an air spring, the resilience performance is weaker than that of a mechanical element, and the recovery speed is slower, thereby realizing the two-way protection of the vehicle and the pier 1;

the vehicle is at the in-process that collides with well crown plate 3, and the liquid chamber 8 is deposited in the air of instantaneous buffer chamber 7 through the extrusion of communicating pipe 9, promotes that stripper plate 11 removes towards one-way hole 12 direction, and then passes through one-way hole 12 and the 13 atomizing blowout of atomising head with depositing the liquid fire extinguishing agent in the liquid chamber 8, carries out the processing of putting out a fire in advance to the vehicle, avoids exploding because of factors such as oil leak, and reset spring 10 takes place the follow-up pulling stripper plate 11 of being convenient for after elastic deformation and removes to initial position.

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. The combined bridge design model comprises a bridge pier (1), and is characterized in that the outer side of the bridge pier (1) is fixedly connected with a lower annular plate (2), a middle annular plate (3) and an upper annular plate (4) from bottom to top in sequence, the lower annular plate (2) and the upper annular plate (4) are made of hard materials, the middle annular plate (3) is made of elastic materials, a plurality of ground contact rollers (5) are uniformly arranged at the bottom end of the lower annular plate (2), a plurality of limiting rollers (6) are uniformly arranged on the inner annular walls of the lower annular plate (2) and the upper annular plate (4) in the circumferential direction, and the limiting rollers (6) are in rolling contact with the outer circumferential surface of the bridge pier (1);

pier (1) circumference equipartition has a plurality of buffering extinguishing device, buffering extinguishing device is including offering buffer chamber (7) in well crown plate (3) and offering depositing sap cavity (8) in last crown plate (4), it is filled with liquid fire extinguishing agent to deposit sap cavity (8) intussuseption, buffer chamber (7) and deposit sap cavity (8) are being close to pier (1) and locate to connect elastic communicating pipe (9) jointly, it has stripper plate (11) to deposit sap cavity (8) inner wall airtight sliding connection of axial, stripper plate (11) are close to pier (1) one side and deposit the common fixedly connected with reset spring (10) of sap cavity (8) inner wall, deposit one side that pier (1) was kept away from in sap cavity (8) and seted up one-way hole (12), the top of depositing sap cavity (8) is equipped with supplementary sealing device.

2. A modular bridge design model according to claim 1, characterized in that the outer diameter of the lower ring plate (2) is smaller than the outer diameter of the middle ring plate (3).

3. The modular bridge design model according to claim 1, wherein an atomizing head (13) is connected to an end of the one-way hole (12) remote from the squeeze plate (11).

4. The combined bridge design model as claimed in claim 1, wherein the supplementary sealing device comprises a screw hole (17) formed at the top end of the liquid storage cavity (8), a screw rod (16) is connected in the screw hole (17) in a threaded manner, a rotating rod (18) and a resisting plate (14) are respectively fixedly connected to the upper end and the lower end of the screw rod (16), and a sealing ring (15) is fixedly glued to the upper end of the resisting plate (14).

5. The combined bridge design model of claim 4, wherein the resisting plate (14) is circular, and the diameter of the resisting plate (14) is larger than the inner diameter of the screw hole (17).

6. The modular bridge design model according to claim 1, wherein the liquid level of the liquid fire extinguishing agent is lower than the height of the one-way holes (12).

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