CN209779372U

CN209779372U - Roadbed structure of soft soil foundation municipal road bridge transition section

Info

Publication number: CN209779372U
Application number: CN201920433114.3U
Authority: CN
Inventors: 刘滔
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2019-12-13
Anticipated expiration: 2029-04-02

Abstract

The utility model discloses a roadbed structure of weak soil foundation town road bridge changeover portion, including setting up the foundation ditch between road and bridge, tamp basic unit, rubble flexible layer and anti-crack layer have been pour in the foundation ditch, and the rubble flexible layer is located between tamp basic unit and the anti-crack layer, and tamp basic unit is located rubble flexible layer bottom, the nested same buffing pad that has on tamp basic unit, rubble flexible layer and the anti-crack layer, and the buffing pad is hollow structure, and the road is close to one side nestification of foundation ditch has the U-shaped iron, and the arc that the slope set up is installed to the U-shaped iron internal rotation prevents the retrograde plate. The utility model discloses simple structure, convenient operation can play the cushioning effect to the vehicle when the vehicle normally traveles, avoids the phenomenon of jumping to take place, can effectually hinder when the vehicle drives in the wrong direction and stop the vehicle or the tire that the triangle piece penetrated the vehicle is deflated, reaches fundamentally and reduces the rate of driving in the wrong direction to reach the purpose of preventing driving in the wrong direction.

Description

Roadbed structure of soft soil foundation municipal road bridge transition section

Technical Field

The utility model relates to a road bed technical field especially relates to a roadbed structure of weak soil foundation town road bridge changeover portion.

Background

At present, the requirement on the road construction quality is higher and higher due to the rapid development of the road transportation industry in China, a bridge refers to a building constructed for a road to cross natural or artificial barriers, the bridge is erected on rivers, lakes and seas, vehicles, pedestrians and the like can pass smoothly, and a municipal road is a foundation facility for various trackless vehicles and pedestrians to pass; the roadbed of current soft soil foundation town road bridge junction is mostly by from supreme tamped basic unit, rubble flexible layer, anticracking layer and the mixed layer of pitch rubble down and is constituteed, and it has less shock-absorbing capacity, can effectually avoid taking place because of the phenomenon that the vehicle process of the harder appearance vehicle in junction ground beats.

The roadbed at the junction of the municipal road and bridge with the soft soil foundation still has certain defects, the roadbed does not have a function of preventing retrograde motion and cannot meet the use requirement, when a vehicle is loaded on the bridge, retrograde vehicle running cannot be seen easily due to the fact that the bridge floor is higher than the ground, collision easily occurs, great personal injury is caused due to the fact that the vehicle is dropped on the bridge, in the national civilization and civilization regulations, the bridge floor road section is forbidden to turn around and retrograde motion, the phenomenon of retrograde motion cannot be stopped, and the phenomenon that traffic accidents are caused by the fact that the vehicle is loaded on the bridge floor in a retrograde motion every year is caused frequently occurs, so that the roadbed structure of the municipal road and bridge transition section with the soft soil foundation is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the roadbed structure of a soft soil foundation town road bridge changeover portion that proposes.

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

A roadbed structure of a soft soil foundation municipal road bridge transition section comprises a foundation pit arranged between a road and a bridge, wherein a tamping base layer, a broken stone flexible layer and an anti-cracking layer are poured in the foundation pit, the broken stone flexible layer is arranged between the tamping base layer and the anti-cracking layer, the tamping base layer is arranged at the bottom of the broken stone flexible layer, the tamping base layer, the broken stone flexible layer and the anti-cracking layer are nested with a same buffer seat which is of a hollow structure, one side of the road close to the foundation pit is nested with a U-shaped steel, an arc anti-reversing plate which is obliquely arranged is rotatably arranged in the U-shaped steel, one side of the arc anti-reversing plate extends to the upper part of the foundation pit and is welded with a plurality of triangular blocks, one side of the bridge close to the foundation pit is provided with a rectangular groove of which the top is provided with an opening, an anti-collision rubber pad is fixedly connected on the inner wall of the bottom of the rectangular groove and is matched with the arc anti-reversing plate, a plurality of horizontal poles of fixedly connected with between two fixing bases, the buffer base internalization cover is equipped with the diaphragm, and a plurality of springs of fixedly connected with between the bottom of diaphragm and the bottom inner wall of buffer base, a plurality of montants of top fixedly connected with of diaphragm, and the top of montant extends to the top of buffer base and articulates there is the connecting rod, and one side of connecting rod is rotated and is installed two abrasionproof gyro wheels, and the horizontal pole is located between two corresponding abrasionproof gyro wheels, the outside rolling contact of abrasionproof gyro wheel and the horizontal pole that corresponds.

Preferably, the top of rammed base layer is provided with first infiltration hole, and the top on rubble flexible layer is provided with the second infiltration hole, and the top on anti-crack layer is provided with the third infiltration hole, and first infiltration hole and the second infiltration hole that corresponds and third infiltration hole are located same vertical axis.

Preferably, the four sides of the transverse plate are nested with balls, and the balls are in rolling contact with the inner wall of one side corresponding to the buffer seat.

Preferably, a plurality of first through holes are formed in the inner wall of the top of the buffer seat, a sealing ring is fixedly sleeved in each first through hole, and the inner side of each sealing ring is in sealing movable contact with the outer side of the corresponding vertical rod.

Preferably, the same pin shaft is welded on two sides of the inside of the U-shaped steel, a round hole is formed in one side of the arc-shaped anti-reverse plate, a plurality of bearings are fixedly sleeved in the round hole, and inner rings of the bearings are fixedly sleeved on the outer side of the pin shaft.

Preferably, the top of the arc-shaped anti-reverse plate is fixedly connected with an anti-skid rubber sheet.

Compared with the prior art, the beneficial effects of the utility model are that:

Through the foundation pit, U-shaped steel, the arc-shaped anti-reverse board, the triangular blocks, the rectangular groove, the anti-collision rubber mat, the buffer seat, the transverse rods, the vertical rods, the connecting rods, the anti-abrasion idler wheels and the springs, when a vehicle normally runs on a bridge and is pressed on the arc-shaped anti-reverse board, the arc-shaped anti-reverse board rotates downwards and drives the triangular blocks to move downwards into the rectangular groove, the arc-shaped anti-reverse board further drives the transverse rods to respectively press the anti-abrasion idler wheel positioned below the two corresponding anti-abrasion idler wheels through the two fixing seats, the anti-abrasion idler wheels move downwards and drive the vertical rods to move downwards through the corresponding connecting rods, the transverse rods are driven by the vertical rods to jointly compress the plurality of springs, the transverse plates are buffered by the reaction force of the springs, so that the arc-shaped anti-reverse board is buffered, the phenomenon of vehicle jumping can be avoided, when the arc-shaped anti-reverse board is contacted with the, at this moment, the anti-collision foot pad supports the arc-shaped anti-reversing plate, the vehicle is past the back, the spring that is in compression state at this moment resets and drives a plurality of montants through the diaphragm and upwards reset, finally reach and drive the arc-shaped anti-reversing plate and reset, when meetting the vehicle of reverse travel, the vehicle tire of reverse travel strikes a plurality of triangle blocks at first, the power of striking this moment is towards road direction, under the effect of round pin axle location, the vehicle tire strikes the triangle block and reaches that the vehicle receives the collision vibration power to stop or the triangle block penetrates the vehicle tire, it dares not to move backward once more to reach vehicle driver, effectual fundamentally reduces the rate of moving backward.

The utility model discloses simple structure, convenient operation can play the cushioning effect to the vehicle when the vehicle normally traveles, avoids the phenomenon of jumping to take place, can effectually hinder when the vehicle drives in the wrong direction and stop the vehicle or the tire that the triangle piece penetrated the vehicle is deflated, reaches fundamentally and reduces the rate of driving in the wrong direction to reach the purpose of preventing driving in the wrong direction.

drawings

FIG. 1 is a schematic structural view of a roadbed structure of a soft soil foundation municipal road bridge transition section provided by the utility model;

Fig. 2 is the utility model provides a soft soil foundation town road bridge changeover portion's roadbed structure's a part schematic structure diagram.

In the figure: the anti-collision device comprises a foundation pit 1, a rammed base layer 2, a broken stone flexible layer 3, an anti-crack layer 4, a U-shaped steel 5, an arc anti-collision plate 6, a triangular block 7, a rectangular groove 8, an anti-collision rubber mat 9, a buffer seat 10, a cross rod 11, a transverse plate 12, a vertical rod 13, a connecting rod 14, an anti-abrasion roller 15, a spring 16 and a ball 17.

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. 1-2, a roadbed structure of a soft soil foundation municipal road bridge transition section comprises a foundation pit 1 arranged between a road and a bridge, a tamping base layer 2, a broken stone flexible layer 3 and an anti-cracking layer 4 are poured in the foundation pit 1, the broken stone flexible layer 3 is arranged between the tamping base layer 2 and the anti-cracking layer 4, the tamping base layer 2 is arranged at the bottom of the broken stone flexible layer 3, the tamping base layer 2, the broken stone flexible layer 3 and the anti-cracking layer 4 are nested with a same buffer seat 10, the buffer seat 10 is of a hollow structure, a U-shaped steel 5 is nested at one side of the road close to the foundation pit 1, an obliquely arranged arc-shaped anti-reverse board 6 is rotatably arranged in the U-shaped steel 5, one side of the arc-shaped anti-reverse board 6 extends to the upper part of the foundation pit 1 and is welded with a plurality of triangular blocks 7, a rectangular groove 8 with an opening at the top is arranged at one side of the bridge close to the foundation pit 1, and an, the anti-collision rubber cushion 9 is matched with the arc-shaped anti-reverse board 6, two fixing seats are welded at the bottom of the arc-shaped anti-reverse board 6, a plurality of transverse rods 11 are fixedly connected between the two fixing seats, a transverse plate 12 is movably sleeved in the buffer seat 10, a plurality of springs 16 are fixedly connected between the bottom of the transverse plate 12 and the inner wall of the bottom of the buffer seat 10, a plurality of vertical rods 13 are fixedly connected at the top of the transverse plate 12, the top ends of the vertical rods 13 extend to the upper side of the buffer seat 10 and are hinged with a connecting rod 14, two anti-abrasion rollers 15 are rotatably installed on one side of the connecting rod 14, the transverse rod 11 is positioned between the corresponding two anti-abrasion rollers 15, the anti-abrasion rollers 15 are in rolling contact with the outer side of the corresponding transverse rod 11, and the anti-collision rubber cushion 9, the U-shaped steel 5, the arc-reverse board 6, the triangular block 7, the rectangular groove, When a vehicle normally runs on a bridge and is pressed on the arc-shaped anti-reverse running plate 6, the arc-shaped anti-reverse running plate 6 rotates downwards and drives the triangular blocks 7 to move downwards into the rectangular groove 8, the arc-shaped anti-reverse running plate 6 also drives the cross rods 11 to respectively press down one anti-wear roller 15 positioned below the corresponding two anti-wear rollers 15 through the two fixing seats, the anti-wear rollers 15 move downwards and drive the vertical rods 13 to move downwards through the corresponding connecting rods 14, the vertical rods 13 jointly drive the transverse plate 12 to compress the springs 16 downwards, the transverse plate 12 is buffered by the reaction force of the springs 16, so that the arc-shaped anti-reverse running plate 6 is buffered, the phenomenon of vehicle jumping can be avoided, when the arc-shaped anti-reverse running plate 6 is contacted with the anti-collision rubber pad 9, the anti-collision foot pad 9 supports the arc-shaped anti-reverse running plate 6, after the vehicle passes, at the moment, the spring 16 in a compressed state resets and drives the vertical rods 13 to reset upwards through the transverse plate 12, finally, the arc-shaped anti-reverse plate 6 is driven to reset, when encountering a vehicle running in the reverse direction, the tire of the vehicle running in the reverse direction firstly impacts a plurality of triangular blocks 7, the impact force is towards the road direction, under the action of the pin shaft positioning, the vehicle tire impacts the triangular block 7 to stop when the vehicle is impacted and vibrated or the triangular block 7 penetrates into the vehicle tire to prevent the vehicle driver from darting to move backwards again, thereby effectively and fundamentally reducing the backward movement rate, the utility model has simple structure and convenient operation, the vehicle can be buffered when the vehicle normally runs, the phenomenon of vehicle jumping is avoided, the vehicle can be effectively stopped when the vehicle runs in the reverse direction, or the triangular block 7 penetrates into the tire of the vehicle to deflate, the reverse running rate is reduced fundamentally, and the purpose of preventing the vehicle from running in the reverse direction is achieved.

In the utility model, a first seepage hole is arranged on the top of the tamping basic layer 2, a second seepage hole is arranged on the top of the gravel flexible layer 3, a third seepage hole is arranged on the top of the anti-cracking layer 4, the first seepage hole, the corresponding second seepage hole and the third seepage hole are positioned on the same vertical axis, the four sides of the transverse plate 12 are nested with the ball 17, the ball 17 is in rolling contact with the inner wall of one side corresponding to the buffer seat 10, the inner wall of the top of the buffer seat 10 is provided with a plurality of first through holes, the first through holes are fixedly sleeved with the sealing rings, the inner sides of the sealing rings are in movable contact with the outer sides of the corresponding vertical rods 13 in a sealing way, the two sides of the U-shaped steel 5 are welded with the same pin shaft, one side of the arc-shaped anti-reverse plate 6 is provided with a round hole, the round hole is fixedly sleeved with a plurality of bearings, the inner rings of the bearings are fixedly sleeved with, through the matching of the foundation pit 1, the U-shaped steel 5, the arc-shaped anti-reverse board 6, the triangular blocks 7, the rectangular groove 8, the anti-collision rubber mat 9, the buffer seat 10, the cross rods 11, the transverse plates 12, the vertical rods 13, the connecting rods 14, the anti-abrasion rollers 15, the springs 16 and the balls 17, when a vehicle normally runs on a bridge and presses on the arc-shaped anti-reverse board 6, the arc-shaped anti-reverse board 6 rotates downwards and drives the triangular blocks 7 to move downwards into the rectangular groove 8, the arc-shaped anti-reverse board 6 further drives the cross rods 11 to respectively press down one anti-abrasion roller 15 positioned below the two corresponding anti-abrasion rollers 15 through the two fixing seats, the anti-abrasion rollers 15 move downwards and drive the vertical rods 13 to move downwards through the corresponding connecting rods 14, the plurality of vertical rods 13 jointly drive the transverse plates 12 to compress the plurality of springs 16 downwards, the transverse plates 12 are buffered by the reactive force of the springs 16, and thus the arc-shaped anti-reverse board 6 is buffered, the utility model has the advantages of avoiding the phenomenon of jumping, when the arc-shaped anti-reverse board 6 contacts with the anti-collision rubber mat 9, the anti-collision foot mat 9 supports the arc-shaped anti-reverse board 6, after the vehicle passes, the spring 16 in the compression state resets and drives the vertical rods 13 to reset upwards through the transverse plate 12, finally, the arc-shaped anti-reverse board 6 is driven to reset, when the vehicle runs reversely, the vehicle tire running reversely collides with the triangular blocks 7 at first, the force of the collision faces to the road direction, under the action of pin shaft positioning, the vehicle tire impacts the triangular blocks 7 to stop the vehicle under the impact vibration force or the triangular blocks 7 penetrate the vehicle tire, the vehicle driver does not dare to run reversely again, fundamentally and effectively reducing the reverse rate, the utility model has simple structure and convenient operation, can play a buffer role for the vehicle when the vehicle normally runs, and avoid the phenomenon of jumping, when the vehicle runs in the reverse direction, the vehicle can be effectively stopped or the triangular block 7 penetrates into the tire of the vehicle for deflation, so that the reverse running rate is reduced fundamentally, and the purpose of preventing the reverse running is achieved.

The working principle is as follows: when a vehicle normally runs on an axle, when the vehicle is pressed on the arc-shaped anti-reverse board 6, the arc-shaped anti-reverse board 6 rotates downwards on the pin shaft, the arc-shaped anti-reverse board 6 drives the triangular blocks 7 to move downwards, the arc-shaped anti-reverse board 6 drives the cross rods 11 to rotate downwards through the two fixing seats, the cross rods 11 press one anti-abrasion roller 15 positioned below the two corresponding anti-abrasion rollers 15 downwards, so that the anti-abrasion rollers 15 move downwards and drive the corresponding connecting rods 14 to move downwards, in order to adapt to the angle when the arc-shaped anti-reverse board 6 rotates downwards, the anti-abrasion rollers 15 move downwards and roll on the outer sides of the corresponding cross rods 11, the connecting rods 14 drive the corresponding vertical rods 13 to move downwards, the vertical rods 13 drive the transverse plates 12 to move downwards together, the transverse plates 12 drive the plurality of balls 17 to roll downwards on the inner wall of the buffer seat 10, and the transverse plates 12 compress the plurality of springs 16, the transverse plate 12 is buffered by the reaction force of the spring 16, the transverse plate 12 buffers a plurality of connecting rods 14 through a plurality of vertical rods 13, the connecting rods 14 buffer the transverse rods 11 through corresponding anti-abrasion rollers 15, so that the arc-shaped anti-reverse plate 6 is buffered, the phenomenon of vehicle jumping can be avoided, when the arc-shaped anti-reverse plate 6 drives the triangular blocks 7 to move into the rectangular groove 8 and contact with the anti-collision rubber pad 9, the anti-collision foot pads 9 support the arc-shaped anti-reverse plate 6, after a vehicle passes, the spring 16 in a compression state resets and drives the transverse plate 12 to move upwards to reset, the transverse plate 12 drives the connecting rods 14 to reset through the plurality of vertical rods 13, the connecting rods 14 drive the transverse rods 11 to reset through the corresponding anti-abrasion rollers 15, and finally drives the arc-reverse plate 6 to reset, when the vehicle running reversely, the tire of the vehicle firstly collides with the plurality of triangular blocks 7, at this moment, the impact force faces the road direction, under the action of pin shaft positioning, the vehicle tire impacts the triangular block 7 to stop when the vehicle is impacted and vibrated or the triangular block 7 penetrates into the vehicle tire, and the cooperation of the triangular block 7 and the arc-shaped anti-reverse board 6 prevents the vehicle driver from darting to reverse again, so that the reverse rate is effectively and fundamentally reduced, and the reverse function is prevented.

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

1. A roadbed structure of a soft soil foundation municipal road and bridge transition section comprises a foundation pit (1) arranged between a road and a bridge, wherein a tamping base layer (2), a broken stone flexible layer (3) and an anti-cracking layer (4) are poured in the foundation pit (1), the broken stone flexible layer (3) is arranged between the tamping base layer (2) and the anti-cracking layer (4), the tamping base layer (2) is arranged at the bottom of the broken stone flexible layer (3), the roadbed structure is characterized in that the tamping base layer (2), the broken stone flexible layer (3) and the anti-cracking layer (4) are provided with the same buffer base (10), the buffer base (10) is of a hollow structure, one side of the road close to the foundation pit (1) is nested with a U-shaped steel (5), an arc anti-reverse traveling plate (6) which is obliquely arranged is rotatably arranged in the U-shaped steel (5), one side of the arc anti-reverse traveling plate (6) extends to the upper part of the foundation pit (1) and is welded with a plurality of triangular, one side of the bridge close to the foundation pit (1) is provided with a rectangular groove (8) with the top arranged as an opening, the inner wall of the bottom of the rectangular groove (8) is fixedly connected with an anti-collision rubber pad (9), the anti-collision rubber pad (9) is matched with the arc anti-reverse plate (6), the bottom of the arc anti-reverse plate (6) is welded with two fixing seats, a plurality of transverse rods (11) are fixedly connected between the two fixing seats, a transverse plate (12) is movably sleeved in the buffer seat (10), a plurality of springs (16) are fixedly connected between the bottom of the transverse plate (12) and the inner wall of the bottom of the buffer seat (10), a plurality of vertical rods (13) are fixedly connected at the top of the transverse plate (12), the top of each vertical rod (13) extends to the upper part of the buffer seat (10) and is hinged with a connecting rod (14), one side of each connecting rod (14) is rotatably provided with two anti-abrasion idler wheels (15), the anti-wear rollers (15) are in rolling contact with the outer sides of the corresponding cross rods (11).

2. A roadbed structure of a soft soil foundation town road bridge transition section according to claim 1, characterized in that the top of the rammed base layer (2) is provided with a first water seepage hole, the top of the gravel flexible layer (3) is provided with a second water seepage hole, the top of the anti-cracking layer (4) is provided with a third water seepage hole, and the first water seepage hole and the corresponding second water seepage hole and third water seepage hole are on the same vertical axis.

3. A subgrade structure of a soft soil foundation town road and bridge transition section according to claim 1, characterized in that balls (17) are nested on four sides of the transverse plate (12), and the balls (17) are in rolling contact with the inner wall of one side corresponding to the buffer seat (10).

4. A roadbed structure of a soft soil foundation town road bridge changeover portion according to claim 1, characterized in that a plurality of first through holes are opened on the inner wall of the top of the buffer seat (10), and a sealing ring is fixedly sleeved in the first through holes, the inner side of the sealing ring is in movable contact with the outer side of the corresponding vertical rod (13) in a sealing manner.

5. A roadbed structure of a soft soil foundation town road bridge transition section according to claim 1, wherein the same pin shaft is welded on two sides of the inside of the U-shaped steel (5), a round hole is formed in one side of the arc-shaped anti-reverse board (6), a plurality of bearings are fixedly sleeved in the round hole, and the inner rings of the bearings are fixedly sleeved with the outer sides of the pin shafts.

6. A roadbed structure of a soft soil foundation municipal road bridge transition section according to claim 1, wherein the top of the arc-shaped anti-reverse board (6) is fixedly connected with an anti-skid rubber sheet.