CN211522810U

CN211522810U - Stable modular bridge structure

Info

Publication number: CN211522810U
Application number: CN201921357742.4U
Authority: CN
Inventors: 陈琼英
Original assignee: Chaoyang Anxin Highway Engineering Co ltd
Current assignee: Chaoyang Anxin Highway Engineering Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-09-18
Anticipated expiration: 2029-08-21

Abstract

The utility model relates to a bridge technical field, and a stable form modular bridge structure is disclosed, including the bridge column, decking and damping member, decking fixed mounting is at the bridge column top, and the decking divide into decking and lower decking, goes up decking bottom fixed connection rubber bed course, and the damping chamber is seted up at the decking middle part down, damping chamber bottom fixed mounting damping plate, four take-up housing grooves are seted up to the damping plate, and the damping member is provided with eight sliders, and eight sliders set up the inside in four take-up housing grooves, the three damping spring of every damping member top fixed mounting, the equal fixed connection rubber bed course of damping spring on four damping members. This stable form modular bridge structure through installation damping spring and shock attenuation piece in the shock attenuation storehouse, when transmitting the shaking force on the bridge plate, rubber cushion plays certain buffer power, receives the rubber cushion that the vibration produced deformation and transmits the shaking force for shock attenuation piece again, through the deformation of shock attenuation piece, plays and cushions the shaking force for can not produce rigid collision before bridge plate and the bridge column.

Description

Stable modular bridge structure

Technical Field

The utility model relates to a bridge technical field specifically is a stable form modular bridge structures.

Background

With the rapid development of economic and living standards, along with the popularization of road networks in the whole country, in some mountain areas or areas where rivers are located, it is necessary to build a road network or a railway network for connecting two places by a bridge. Various bridges appear in our sight, and the construction technology of the bridges is greatly developed. The bearing capacity of the bridge is increased continuously when more and more vehicles pass through the bridge, the bridge can be subjected to vibration transmitted by the vehicles when bearing the load, and the bridge is in a vibration environment for a long time, so that the bridge is easy to break, and even a major accident is caused.

Current modular bridge mechanism mostly carries out the buffering vibration through simple rubber layer, and the rubber layer shock attenuation is too single, and the absorbing effect that reaches that can not be fine, and the shock attenuation effect is poor to lead to hard contact between bridge slab and the bridge to take place vibrations collision scheduling problem, has not only caused the pollution of noise, can also lead to the fracture problem of bridge even seriously.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a stable form modular bridge structures possesses advantages such as structural design is simple, shock attenuation buffering that can be fine, has solved the problem that heavy-duty freight train crossed the bridge floor and produces vibrations.

(II) technical scheme

For the purpose of realizing above-mentioned fine realization shock attenuation buffering, the utility model provides a following technical scheme: the utility model provides a stable form modular bridge structures, includes bridge post, bridge plate and shock attenuation, its characterized in that: bridge plate fixed mounting is at the bridge column top, the bridge plate divide into bridge plate and lower bridge plate, the bridge plate is a rectangle concrete plate, go up the equal installation pavement in both ends about the bridge plate top, fixed mounting guardrail on the left and right sides pavement, the water drainage tank is all seted up to the inboard on two pavements, and water drainage tank is at last bridge plate top, go up bridge plate bottom fixed connection rubber bed course, the surge bin is seted up at lower bridge plate middle part down, surge bin bottom fixed mounting damper plate, four take-up housing grooves are seted up to the damper plate, the damper is provided with eight sliders, eight sliders set up the inside at four take-up housing grooves, the three damping spring of every damper top fixed mounting, damping spring is a high strength spring, the equal fixed connection rubber bed course of damping spring on four dampers.

Preferably, the two guardrails are the same in size and correspond to each other.

Preferably, the two sidewalks are the same size and correspond to each other.

Preferably, the two drainage channels have the same size and correspond to each other.

Preferably, the number of the shock absorbing members is four.

Preferably, the number of the sliding blocks is thirty two, and the number of the sliding blocks on one damping piece is eight.

Preferably, the number of the slider grooves is four, the slider grooves are rectangular groove bodies, and the four slider grooves are identical in size and correspond to each other.

Preferably, the number of the slide block limiting blocks is eight, and the eight slide block limiting blocks are the same in size.

Preferably, the damping plate is a rectangular bearing plate, and the size of the damping plate is the same as that of the damping bin.

(III) advantageous effects

Compared with the prior art, the utility model provides a stable form modular bridge structures possesses following beneficial effect:

1. this stable form modular bridge structure, through at rubber cushion bottom installation damping spring, the damping member is connected to the damping spring bottom, the damping member utilizes the slide rail to slide in the slide rail inslot, when the vibrations power that transmits on the bridge plate, can play certain cushion effect through the rubber cushion layer, the rubber cushion layer that receives the vibration production deformation transmits the vibrations power for the damping member again, through the deformation of damping member, play and cushion the vibrations power, make bridge plate and bridge post can not produce rigid collision before.

2. This stable form modular bridge structures, through at shock attenuation both sides fixed mounting limiting plate, the limiting plate is the rubber slab, after the rubber cushion passes through damping spring and compresses the shock attenuation to the limit, the rubber cushion then contacts with the limiting plate, transmits the shaking force to the limiting plate, and the limiting plate has cushioned the vibrational force that the transmission got off on the bridge plate, has realized can not take place rigid collision between bridge plate and the bridge.

3. This stable form modular bridge structures, through at the fixed limiting plate in damper both sides, when the damper is compressed and moves on the slide rail inslot, the damper is elastic element, but if receive the impact extrusion suddenly, the damper can be damaged, therefore the limit of restriction damper motion is realized to spacing post, makes the damper can only move at the slide rail inslot.

4. Stable form modular bridge structures through setting up hollow halfcylinder with the shock attenuation piece, and the shock attenuation piece is elastic element, and has certain flexible ability, and the quantity that the shock attenuation piece set up is four, and four shock attenuation pieces are paved with in the shock attenuation storehouse, through the elastic element shock attenuation piece that has flexible ability, not only can play the absorbing effect of buffering, can also fill the position that can make the interior hollow of shock attenuation storehouse as the concrete.

Drawings

FIG. 1 is a front view of a stabilized modular bridge construction;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of a stable modular bridge structure shock absorber.

In the figure: 1 bridge column, 2 bridge plates, 201 upper bridge plate, 202 lower bridge plate, 3 drainage grooves, 4 guardrails, 5 sidewalks, 6 rubber cushion layers, 7 damping springs, 8 damping parts, 9 damping bins, 10 damping plates, 11 slide block grooves, 12 slide blocks, 13 limiting plates, 14 water leakage openings and 15 slide block limiting blocks.

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.

As shown in fig. 1-3, a stable modular bridge structure comprises a bridge pillar 1, a bridge plate 2, a damping spring 7 and a damping member 8, wherein the bridge plate 2 is fixedly connected to the top of the bridge pillar 1, the bridge plate 2 is divided into an upper bridge plate 201 and a lower bridge plate 202, the bridge plate 2 is a rectangular concrete plate, sidewalks 5 are fixedly installed on the left side and the right side of the top of the upper bridge plate 201, the two sidewalks 5 are the same in size and correspond to each other, a guardrail 4 is respectively arranged on each of the sidewalks 5 on the left side and the right side, the two guardrails 4 are the same in size and correspond to each other, drainage grooves 3 are respectively formed on the inner sides of the two sidewalks 5, the drainage grooves 3 are formed on the top of the upper bridge plate 201, water leaking ports 14 are respectively formed at the front end and the rear end of each drainage groove 3, a rubber cushion layer 6 is fixedly connected to the bottom of the upper bridge plate 201, the rubber, the middle part of the lower bridge plate 202 is provided with a damping bin 9, the bottom of the damping bin 9 is fixedly provided with a damping plate 10, the damping plate 10 is a rectangular bearing plate, the size of the damping plate 10 is the same as that of the damping bin 9, the damping plate 10 is horizontally placed into the damping bin 9, the upper surface of the damping plate 10 is provided with four slide block grooves 11, each slide block groove 11 is a rectangular groove body, the four slide block grooves 11 are the same in size and correspond to each other, slide block limit blocks 15 are fixedly arranged on two sides of each slide block groove 11, the eight slide block limit blocks 15 are the same in size, the slide block limit blocks 15 are used for limiting the motion limit of the slide block 12 in the slide block grooves 11 and preventing the slide block 12 from sliding out of the slide block grooves 11, four damping members 8 are arranged in the damping bin 9, each damping member 8 is a hollow semi-cylinder, each damping member 8 is an elastic element and has certain telescopic capacity, the four, each shock absorbing member 8 is provided with eight sliders 12, the eight sliders 12 are the same in size and can flexibly slide, thirty-two sliders 12 on four shock absorbing members 8 are all arranged inside four slider grooves 11, three shock absorbing springs 7 are fixedly arranged at the top of each shock absorbing member 8, each shock absorbing spring 7 is a high-strength spring, twelve shock absorbing springs 7 on four shock absorbing members 8 are all fixedly connected to a rubber cushion layer 6, a limiting plate 13 is fixedly arranged between the two shock absorbing members 8, the limiting plate 13 is a rectangular rubber plate, the limiting plate 13 can limit the movement limit of the shock absorbing member 8, the shock absorbing members 8 are elastic elements, but when the shock absorbing members 8 are in a compressed state or a stressed state for a long time, the shock absorbing members 8 can be damaged to a certain extent, therefore, the limiting plate 13 is arranged beside the shock absorbing members 8, and when the shock absorbing members 8 are compressed to the limit by the rubber cushion layer 6 through the shock, rubber cushion 6 then contacts with limiting plate 13, transmit vibrational force to limiting plate 13, limiting plate 13 has certain buffer capacity, play the effect of protection bridge buffer resistance, when large-scale load freight train passes through bridge plate 2, the vibrational force that large-scale freight train produced transmits to rubber cushion 6 through last bridge plate 201, rubber cushion 6 produces certain deformability power, rubber cushion 6 will do all can pass through damping spring 7 and transmit to damper 8 on, damping spring 7 extrudees damper 8 to the downside, damper 8 passes through slider 12 and moves toward both sides in slider groove 11, limiting plate 13 bears the vibrational force of the transmission of rubber cushion 6 to the downside simultaneously, because damping spring 7, damper 8 and limiting plate 13 all have certain elastic capacity, consequently, can cushion the impact force because vibrations produce between bridge plate 2 and the bridge 1.

The working steps are as follows:

the first step is as follows: when large-scale load freight train passes through bridge plate 2, the vibrational force that large-scale freight train produced transmits to rubber cushion 6 through last bridge plate 201, and rubber cushion 6 produces certain deformation power, and rubber cushion 6 will pass through damping spring 7 with power and transmit to damper 8.

The second step is that: the damper 8 moves towards two sides in the slider groove 11 through the slider 12, and after the rubber cushion layer 6 compresses the damper 8 to the limit through the damping spring 7, the rubber cushion layer 6 contacts with the limiting plate 13, and the vibration force is transmitted to the limiting plate 13.

The third step: damping spring 7, damper 8 and limiting plate 13 all have certain elastic recovery ability, consequently can cushion the impact force because vibrations produce between bridge plate 2 and the bridge post 1, when the load freight train leaves bridge plate 2, damping spring 7 and damper 8 all resume the original state.

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. The utility model provides a stable form modular bridge structures, includes bridge column (1), bridge plate (2) and bumper shock absorber (8), its characterized in that: the bridge plate (2) is fixedly arranged at the top of a bridge column (1), the bridge plate (2) is divided into an upper bridge plate (201) and a lower bridge plate (202), the bridge plate (2) is a rectangular concrete plate, sidewalks (5) are respectively arranged on the left side and the right side of the top of the upper bridge plate (201), drainage grooves (3) are formed in the inner sides of the two sidewalks (5), the drainage grooves (3) are formed in the top of the upper bridge plate (201), a rubber cushion layer (6) is fixedly connected to the bottom of the upper bridge plate (201), a damping bin (9) is formed in the middle of the lower bridge plate (202), a damping plate (10) is fixedly arranged at the bottom of the damping bin (9), four sliding block grooves (11) are formed in the damping plate (10), eight sliding blocks (12) are arranged in the four sliding block grooves (11), three damping springs (7) are fixedly arranged at the top of each damping piece (8), and the damping springs (7) are high-strength springs, the damping springs (7) on the four damping pieces (8) are all fixedly connected with the rubber cushion layer (6).

2. A stabilized modular bridge construction according to claim 1, wherein: the damping bin (9) is a rectangular bin body.

3. A stabilized modular bridge construction according to claim 1, wherein: and guardrails (4) are fixedly arranged on the sidewalks (5) at two sides.

4. A stabilized modular bridge construction according to claim 1, wherein: the shock absorption part (8) is a hollow semi-cylinder, and the shock absorption part (8) is an elastic element.

5. A stabilized modular bridge construction according to claim 4, wherein: the number of the shock absorbing members (8) is four, and the four shock absorbing members (8) are uniformly distributed in the shock absorbing bin (9).