CN210151618U - Road and bridge vehicle width and height limiting device - Google Patents

Abstract

The utility model provides a road and bridge vehicle limit for width limit for height device, including two stands, the stand is round structure and sets up in the road both sides, and the upper end of stand is fixed with limit for height crossbeam, and the periphery of stand is equipped with the protective layer, and the protective layer is annular structure's foaming plastic layer, second rubber layer and first rubber layer from inside to outside in proper order, is equipped with a plurality of axis of rotation between foaming plastic layer and the second rubber layer, fixes being equipped with a plurality of springs between second rubber layer and the first rubber layer. The utility model provides a road and bridge vehicle limit for width limit for height device can weaken the impulsive force of vehicle to the stand through spring and foaming plastic layer, drives the protective layer through the axis of rotation and rotates, will directly impact the force and change into the tangential striking, slows down the impact of vehicle to the stand, offsets the impulsive force to the limit for height crossbeam through the effect of spring in the extensible member, avoids outside striking to stand and limit for height crossbeam to cause the damage, and simple structure, and stability is good.

Description

Road and bridge vehicle width and height limiting device

Technical Field

The utility model belongs to the technical field of road and bridge, in particular to road and bridge vehicle limit for width limit for height device.

Background

The width and height limiting device is a common road traffic facility, and aims to limit the width and height of vehicles coming and going and ensure the normal use of roads and bridges. The existing width and height limiting device does not take protective measures, when the vehicle passes through the width and height limiting frame, some drivers do not clearly know the height or width of the driven vehicle, even individual drivers worry about luck and make misjudgment on whether the vehicle can safely pass, so that a traffic accident is caused by a collision device, and the width and height limiting device and the vehicle are damaged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a road and bridge vehicle width limit for height device, and it has the easy problem that is damaged by the vehicle of device to solve prior art existence.

The technical scheme of the utility model is that: the utility model provides a road and bridge vehicle limit for width limit for height device, includes two stands, and the stand is round structure and sets up in the road both sides, and the upper end of stand is fixed with limited height crossbeam, and the periphery of stand is equipped with the protective layer, and the protective layer is the expanded plastics layer, second rubber layer and the first rubber layer of loop configuration from inside to outside in proper order, is equipped with a plurality of axis of rotation between expanded plastics layer and the second rubber layer, fixedly between second rubber layer and the first rubber layer being equipped with a plurality of springs.

Preferably, the height limiting beam comprises a U-shaped frame, a movable plate is arranged at the opening of the U-shaped frame, an extensible member is fixedly arranged between the U-shaped frame and the movable plate, the extensible member comprises a barrel body, the barrel body is two hollow straight barrels with different diameters, the openings of the two straight barrels are sleeved oppositely, a spring is arranged inside each straight barrel, and two ends of the spring are fixedly connected with the inner sides of the bottom surfaces of the two straight barrels respectively.

Preferably, the two ends of the protective layer are respectively provided with an upper baffle and a lower baffle, the upper baffle and the lower baffle are sleeved on the stand column, the two ends of the rotating shaft are respectively rotatably connected with the upper baffle and the lower baffle, and the two ends of the second rubber layer and the first rubber layer are respectively fixedly connected with the upper baffle and the lower baffle.

Preferably, the movable plate is made of elastic anti-collision materials.

Preferably, a warning board is arranged above the upright post.

Preferably, the surface of the first rubber layer is tightly attached with a reflective belt.

The utility model discloses following beneficial effect has:

the utility model provides a road and bridge vehicle limit for width limit for height device can weaken some impact force through the compression of spring and foaming plastic layer, and the axis of rotation drives first rubber layer and second rubber layer rotation under the drive of impact force simultaneously, converts direct impact force into tangential impact to reduce the impact force, can effectively prevent or slow down outside striking and cause the damage to the stand; simultaneously, offset the impact force of vehicle to the height-limiting crossbeam through shortening of spring in the extensible member, avoid outside striking to cause the damage to the height-limiting crossbeam, and simple structure, stability is good.

Drawings

FIG. 1 is a structural diagram of a width and height limiting device for road, bridge and vehicle provided by the present invention;

FIG. 2 is a schematic cross-sectional view of a pillar of a road bridge vehicle width and height limiting device provided by the present invention;

FIG. 3 is a top view of the width and height limiting device for road, bridge and vehicle provided by the present invention;

fig. 4 is a schematic view of an upper baffle plate in the width and height limiting device for road, bridge and vehicle provided by the utility model;

fig. 5 is the utility model provides a schematic diagram of extensible member in road and bridge vehicle width limit height-limiting device.

In the figure: 1. a roadbed; 2. a sleeve; 3. a column; 4. a foamed plastic layer; 5. a rotating shaft; 6. a second rubber anti-collision layer; 7. a spring; 8. a first rubber protective layer; 9. a reflective band; 10. a U-shaped frame; 11. a movable plate; 121. an upper baffle plate; 122. a lower baffle plate; 13. a warning board; 14. a telescoping member.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

The utility model provides a road bridge vehicle width limit for height device, refer to fig. 1-5, a road bridge vehicle width limit for height device, including two stands 3, stand 3 is round structure and sets up in the road both sides, the upper end of stand 3 is fixed with limit for height crossbeam, the periphery of stand 3 is equipped with the protective layer, the protective layer is the foaming plastic layer 4 of loop configuration from inside to outside in proper order, second rubber layer 6 and first rubber layer 8, be equipped with six axis of rotation 5 between foaming plastic layer 4 and the second rubber layer 6, the fixed eight springs 7 that are equipped with between second rubber layer 6 and the first rubber layer 8, be equipped with sleeve 2 on the road bed 1, the lower extreme of stand 3 is inserted and is established in sleeve 2.

In order to avoid the ultrahigh vehicle from crashing the height-limiting beam, the height-limiting beam comprises a U-shaped frame 10, a movable plate 11 is arranged at an opening of the U-shaped frame 10, an extensible member 14 is fixedly arranged between the U-shaped frame 10 and the movable plate 11, the extensible member 14 comprises a barrel body, the barrel body is two hollow straight barrels with different diameters, the openings of the two straight barrels are oppositely sleeved, a spring is arranged inside each straight barrel, and two ends of the spring are respectively fixedly connected with the inner sides of the bottom surfaces of the two straight barrels.

In order to facilitate the rotation shaft 5 to drive the second rubber layer 6 and the first rubber layer 8 to rotate, the two ends of the protective layer are respectively provided with an upper baffle 121 and a lower baffle 122, the upper baffle 121 and the lower baffle 122 are sleeved on the upright post 3, the two ends of the rotation shaft 5 are respectively connected with the upper baffle 121 and the lower baffle 122 in a rotating manner, and the two ends of the second rubber layer 6 and the first rubber layer 8 are respectively fixedly connected with the upper baffle 121 and the lower baffle 122.

In order to prevent the movable plate 11 from being damaged by a force during a collision of the vehicle, the movable plate 11 is made of polyethylene plastic having a collision prevention function.

In order to facilitate reminding a driver to limit the height and the width of the vehicle, a warning board 13 is arranged above the upright post 3.

In order to remind a driver of the position of the width limiting upright post, a reflective belt 9 is tightly attached to the surface of the first rubber layer 8.

When an ultra-wide vehicle carelessly collides with the width and height limiting device, the vehicle firstly collides with the first rubber layer 8, the spring 7 compresses and offsets part of the impact force, the unampensated impact force extrudes the second rubber layer 6, the friction force between the second rubber layer 6 and the rotating shaft 5 is increased, the rotating shaft 5 is stressed and rotates, the first rubber layer 8 and the second rubber layer 2 are driven to rotate simultaneously, the direct impact force is converted into tangential impact through a rotation guiding mode, part of the impact force is offset, the rest of the unampensated impact force compresses the foaming plastic layer 4, and then the impact force caused by the vehicle collision on the upright post 3 is small or cannot be transmitted to the upright post 3, so that the upright post 3 is prevented from being damaged by the vehicle collision. When an ultrahigh vehicle accidentally collides with the width and height limiting device, the top of the vehicle firstly collides with the movable plate 11, so that the movable plate 11 moves backwards in the U-shaped frame 10, the straight cylinders are oppositely sleeved under stress, the spring in the telescopic piece 14 is compressed, the impact force of the vehicle on the movable plate 11 is counteracted, the impact force caused by the vehicle colliding with the movable plate 11 is reduced, and the damage of the vehicle colliding on the height limiting beam is avoided.

The utility model provides a pair of road and bridge vehicle limit for width limit for height device, when the vehicle bumps the stand, the impulsive force of colliding that the vehicle produced can be offset through the compression on spring and foaming plastic layer, the axis of rotation makes first rubber layer and second rubber layer rotate under the drive of impulsive force of colliding simultaneously, change outlying direct impact into the tangential striking through the form that rotates the direction, and then reduce the impact of vehicle stand, when the vehicle bumps the limit for height crossbeam, the effect through spring in the extensible member can weaken the damage of vehicle to the limit for height crossbeam. Through setting up first rubber layer and vehicle contact, avoid the vehicle to cause the scraping to the automobile body at the offend in-process.

The utility model provides a pair of road and bridge vehicle limit for width limit for height device can prevent effectively or slow down outside impact and cause the damage to stand and limit for height crossbeam, and simple structure, and stability is good.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. The utility model provides a road and bridge vehicle width limit for height device which characterized in that: including two stands (3), stand (3) are round structure and set up in the road both sides, and the upper end of stand (3) is fixed with limit height crossbeam, and the periphery of stand (3) is equipped with the protective layer, the protective layer is annular structure's foaming plastic layer (4), second rubber layer (6) and first rubber layer (8) from inside to outside in proper order, is equipped with a plurality of axis of rotation (5) between foaming plastic layer (4) and second rubber layer (6), fixedly between second rubber layer (6) and first rubber layer (8) being equipped with a plurality of springs (7).

2. The road and bridge vehicle width and height limiting device of claim 1, wherein: the height limiting beam comprises a U-shaped frame (10), a movable plate (11) is arranged at the opening of the U-shaped frame (10), an extensible part (14) is fixedly arranged between the U-shaped frame (10) and the movable plate (11), the extensible part (14) comprises a barrel body, the barrel body is two hollow straight barrels with different diameters, openings of the two straight barrels are sleeved oppositely, a spring is arranged inside the straight barrel, and two ends of the spring are fixedly connected with the inner sides of the bottom surfaces of the two straight barrels respectively.

3. The road and bridge vehicle width and height limiting device of claim 1, wherein: the two ends of the protective layer are respectively provided with an upper baffle (121) and a lower baffle (122), the upper baffle (121) and the lower baffle (122) are sleeved on the upright post (3), the two ends of the rotating shaft (5) are respectively in rotating connection with the upper baffle (121) and the lower baffle (122), and the two ends of the second rubber layer (6) and the first rubber layer (8) are respectively in fixed connection with the upper baffle (121) and the lower baffle (122).

4. The road and bridge vehicle width and height limiting device of claim 2, wherein: the movable plate (11) is made of elastic anti-collision materials.

5. The road and bridge vehicle width and height limiting device of claim 1, wherein: and a warning board (13) is arranged above the upright post (3).

6. The road and bridge vehicle width and height limiting device of claim 1, wherein: the surface of the first rubber layer (8) is tightly attached with a reflective belt (9).

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