CN111254810A

CN111254810A - Protection device after collision at bottom of viaduct

Info

Publication number: CN111254810A
Application number: CN202010091922.3A
Authority: CN
Inventors: 林凤梅
Original assignee: Individual
Current assignee: Yang Peng
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-06-09
Anticipated expiration: 2040-02-14
Also published as: CN111254810B

Abstract

The invention relates to the technical field of viaduct protection, and discloses a protection device after collision of a viaduct bottom, which comprises a bridge, wherein a damping device is fixedly arranged at the bottom of the bridge, pulleys are movably connected to two sides of the damping device and positioned at the bottom of the bridge, tracks are movably connected to the surfaces of the pulleys, a buffer device is fixedly arranged in the bridge, sliding grooves are formed in the inner walls of two sides of the interior of the bridge, when a vehicle collides with the viaduct bottom under special conditions, the roof contacts with the viaduct bottom, the tracks are contacted and move under the action of springs in the damping device, an upward force is applied to the viaduct bottom by the vehicle due to the height of the vehicle, the tracks are jacked, a corrugated pipe in the buffer device is compressed for a certain stroke, the roof and the tracks are kept to move, and the vehicle can normally move forward and exit from the viaduct bottom, the safety of the viaduct, the vehicle and people is protected to the maximum extent.

Description

Protection device after collision at bottom of viaduct

Technical Field

The invention relates to the technical field of viaduct bridge protection, in particular to a protection device after collision of a viaduct bridge bottom.

Background

Overpasses, a type of bridge generally referred to as bridges spanning deep canyons in place of highways, and bridges spanning roads in urban bridges, are supported in urban traffic roads by elevated towers or struts, the viaduct plays a great role in urban traffic, fully utilizes the urban area, slows down the pressure of the urban traffic, because the viaducts are supported in the midair by the piers and have limited height, when some large trucks do not know the limited height, the viaducts can collide, so that vehicles are clamped under the viaducts or the viaducts are damaged by collision, because the overhead bridge is also provided with the travelling crane, once an accident occurs, the top of the vehicle is impacted, people can be injured, in addition, the damage caused by the bridge floor can also influence the smoothness of the whole overhead bridge, the overhead bridge is expensive in manufacturing cost and is very troublesome to maintain, and therefore, the novel device for protecting the overhead bridge is suitable for transportation.

Disclosure of Invention

In order to achieve the purpose of protecting the viaduct to the maximum extent, the invention provides the following technical scheme: the utility model provides a protection device after collision at bottom of overpass, includes the bridge, the bottom fixed mounting damping device of bridge, damping device's both sides and the equal swing joint in bottom that is located the bridge have a pulley, and the surperficial swing joint of pulley has a track, the inside fixed mounting of bridge has buffer, and the spout has all been seted up to the inside both sides inner wall of bridge.

The invention has the beneficial effects that: when a vehicle collides with the bottom of the viaduct under special conditions, the vehicle roof is in contact with the bottom of the viaduct, the caterpillar band is in contact with the vehicle roof and moves under the action of the spring in the damping device, at the moment, the vehicle can push up the caterpillar band due to upward force on the bottom of the viaduct due to the height of the vehicle, the corrugated pipe in the buffering device is compressed for a certain stroke, the vehicle roof and the caterpillar band are kept to move, the vehicle can normally move forward and out of the bottom of the viaduct, and safety of the viaduct, the vehicle and people is protected to the maximum extent.

Preferably, the damping device is connected with the bottom of bridge through the support column, and the one end fixedly connected with base of bridge is kept away from to the support column, and the inside of base is provided with first spring, and one side swing joint of first spring has the card chain, and one side fixedly connected with box that first spring was kept away from to the card chain, and the inside of box is provided with the second spring, the bottom fixedly connected with equalizer plate of base, the inside of equalizer plate are provided with the third spring, the bottom swing joint of equalizer plate has the gyro wheel, and one side that the equalizer plate was kept away from to the gyro wheel is provided with the track.

Preferably, the buffer device is connected with the inside of the bridge through a connecting rod, a nut is sleeved on the surface of the connecting rod, an elastic washer is fixedly connected to the bottom of the nut, one side of the elastic washer, far away from the nut, is fixedly connected with a hydraulic telescopic rod, one side of the connecting rod is fixedly connected with symmetrical extrusion plates, and symmetrical extrusion plate supports are fixedly provided with corrugated pipes.

Preferably, the sliding grooves are attached to the surfaces of the pulleys, and the interior of the bridge is designed in a layered mode.

Preferably, the crawler belt and the pulleys are attached to the bottom of the bridge.

Drawings

FIG. 1 is a cross-sectional view of the underside of a bridge according to the present invention;

FIG. 2 is an enlarged view of structure A of the present invention;

FIG. 3 is an enlarged view of inventive structure B.

In the figure: 1-bridge, 2-damping device, 201-support column, 202-base, 203-first spring, 204-clamp chain, 205-box, 206-second spring, 207-pressure equalizing plate, 208-third spring, 209-roller, 3-pulley, 4-track, 5-buffer device, 501-connecting rod, 502-nut, 503-elastic washer, 504-hydraulic telescopic rod, 505-extrusion plate, 506-corrugated pipe and 6-chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a protection device after a collision at the bottom of a viaduct comprises a bridge 1, a damping device 2 is fixedly installed at the bottom of the bridge 1, the damping device 2 is connected with the bottom of the bridge 1 through a supporting column 201, one end of the supporting column 201 far away from the bridge 1 is fixedly connected with a base 202, a first spring 203 is arranged inside the base 202, one side of the first spring 203 is movably connected with a clamp chain 204, one side of the clamp chain 204 far away from the first spring 203 is fixedly connected with a box body 205, the inside of the box body 205 is provided with a second spring 206, the bottom of the base 202 is fixedly connected with a pressure equalizing plate 207, a third spring 208 is arranged inside the pressure equalizing plate 207, the bottom of the pressure equalizing plate 207 is movably connected with a roller 209, one side of the roller 209 far away from the pressure equalizing plate 207 is provided with a crawler 4, pulleys 3 are movably connected at two sides of the damping, the crawler 4 and the pulley 3 are attached to the bottom of the bridge 1, the interior of the bridge 1 is fixedly provided with a buffer device 5, the buffer device 5 is connected with the interior of the bridge 1 through a connecting rod 501, the surface of the connecting rod 501 is sleeved with a nut 502, the bottom of the nut 502 is fixedly connected with an elastic washer 503 which has elasticity and can prevent the bolt or the nut 502 from loosening, the elastic washer 503 is made of graphite nylon (APS), medium carbon steel, 65Mn, SK5, SK7, stainless steel SUS304, aluminum, red copper, beryllium copper, bronze and other materials, the surface treatment adopts the processes of Dacromet, blue and white zinc plating, color zinc, black zinc, nickel, chromium, blackening, quenching, tempering, carburizing and the like, one side of the elastic washer 503, which is far away from the nut 502, is fixedly connected with a hydraulic telescopic rod 504, one side of the connecting rod 501 is fixedly connected with symmetrical extrusion plates 505, the supports of the symmetrical extrusion plates 505 are fixedly provided with corrugated pipes 506, and the corrugated pipes 506 are tubular elastic sensitive, the corrugated pipe 506 is widely applied in instruments and meters, and mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force, the corrugated pipe 506 has a thin pipe wall and high sensitivity, the measuring range is from tens of pascals to tens of megapascals, the opening end of the corrugated pipe is fixed, the sealing end is in a free state, the auxiliary spiral spring or reed is used for increasing elasticity, the corrugated pipe extends along the length direction of the pipe under the action of internal pressure during working, so that the movable end generates displacement which has a certain relation with the pressure, the movable end drives the pointer to directly indicate the pressure, the corrugated pipe 506 is often combined with the displacement sensor to form a pressure sensor which outputs electric quantity, sometimes the pressure sensor is also used as an isolating element, the response speed of the corrugated pipe 506 is lower than that of the Bourdon pipe 506 due to the large volume change required by the extension of the corrugated pipe 506, the corrugated pipe 506 is, the sliding groove 6 is attached to the surface of the pulley 3, and the interior of the bridge 1 is designed in a layered mode.

When the vehicle runs out of the bridge bottom, the vehicle roof contacts the action of the crawler 4 on the pulley 3, the vehicle drives the crawler 4 to move, the force at the moment of contact is absorbed by the spring in the damping device 2, the upward force is generated on the crawler 4 and other devices due to the fact that the vehicle exceeds the height of a normal viaduct, the whole structure moves upwards in the bridge 1, the corrugated pipe 506 and the hydraulic telescopic rod 504 are compressed under the action of the buffer device 5, a certain displacement is generated, and the automobile tires also descend and keep moving normally under the action of the force and the force, so that the vehicle runs out of the bridge bottom.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a protection device behind collision at bottom of overpass, includes bridge (1), its characterized in that: the bottom fixed mounting damping device (2) of bridge (1), the equal swing joint in bottom that the both sides of damping device (2) just are located bridge (1) have pulley (3), and the surperficial swing joint of pulley (3) has track (4), the inside fixed mounting of bridge (1) has buffer (5), and spout (6) have all been seted up to the inside both sides inner wall of bridge (1).

2. The device of claim 1, wherein the device is used for protecting the viaduct from a bottom collision: damping device (2) are passed through support column (201) with the bottom of bridge (1) and are connected, and the one end fixedly connected with base (202) of bridge (1) is kept away from in support column (201), and the inside of base (202) is provided with first spring (203), and one side swing joint of first spring (203) has clamp chain (204), and one side fixedly connected with box (205) of first spring (203) are kept away from in clamp chain (204), and the inside of box (205) is provided with second spring (206), bottom fixedly connected with equalizer plate (207) of base (202), the inside of equalizer plate (207) is provided with third spring (208), the bottom swing joint of equalizer plate (207) has gyro wheel (209), and one side that equalizer plate (207) were kept away from in gyro wheel (209) is provided with track (4).

3. The device of claim 2, wherein the device is used for protecting the viaduct from the bottom collision: buffer (5) are connected through connecting rod (501) with the inside of bridge (1), and nut (502) have been cup jointed on the surface of connecting rod (501), and the bottom fixed connection of nut (502) has elastic washer (503), and one side fixed connection hydraulic telescoping rod (504) of nut (502) are kept away from in elastic washer (503), one side fixed connection of connecting rod (501) has stripper plate (505) of symmetry, and stripper plate (505) support fixed mounting of symmetry has bellows (506).

4. The device of claim 1, wherein the device is used for protecting the viaduct from a bottom collision: the sliding groove (6) is attached to the surface of the pulley (3), and the interior of the bridge is designed in a layered mode.

5. The device of claim 1, wherein the device is used for protecting the viaduct from a bottom collision: the crawler belt (4) and the pulley (3) are attached to the bottom of the bridge (1).