CN208777221U

CN208777221U - highway collision avoidance device

Info

Publication number: CN208777221U
Application number: CN201821333322.8U
Authority: CN
Inventors: 张延年; 周玲雪
Original assignee: Shenyang Jianzhu University
Current assignee: Chaoyang Anxin Highway Engineering Co ltd
Priority date: 2018-08-18
Filing date: 2018-08-18
Publication date: 2019-04-23
Anticipated expiration: 2028-08-18

Abstract

The utility model relates to a kind of highway anticollision device, collision-prevention devices, belong to freeway guardrail technical field.Including anticollision buffer cell, connection unit and column；Anticollision buffer cell is located at close to highway side, is connect by upper and lower multiple connection units with column；Anticollision buffer cell is made of pressure reductor, sliding block, damping spring, pedestal, tension spring, screw, buffer layer and reflective strip；Pressure reductor and buffer layer are in semi-annular shape, are respectively provided with flat segments at the top and bottom of pressure reductor and buffer layer, and by screw by its with and the junction of sliding block be fixedly connected；Pedestal is made of sliding slot, protrusion, postive stop baffle.The utility model can effectively absorb the impact force of errant vehicle, it can reduce in knockout process to the damage of vehicle and can effectively prevent car body and crew member and injured by damaged stiff safety fence plate, improve the security performance of freeway guardrail, also the excessive deformation of anti-collision structure can be prevented and damaged, using effect is good, practical.

Description

Highway anticollision device, collision-prevention device

Technical field

The utility model relates to a kind of highway anticollision device, collision-prevention devices, belong to freeway guardrail technical field.

Background technique

As highway, city intersection etc. are largely built and global auto recoverable amount is significantly increased, traffic accident Ascendant trend is also presented in incidence.Currently, the protective device of highway two sides is mainly the shield by column and portion disposed thereon Breast board composition, guardrail board are made of steel plate, and column and guardrail board are rigid material.Existing protective fence makes currently on the market Used time does not have the effect of bumper and absorbing shock, and automobile bumps against in guardrail board, can only rely on the deformed damaged energy-absorbing of guardrail board, become Shape ability and the ability for absorbing energy are limited.And guardrail board is easily broken under the effect of impact of automobile, causes protective fence can not Normal use is also easy to cause secondary injury to the safety of vehicle and crew member.

In conclusion how to solve the problems, such as that the ability of existing freeway guardrail deformability and absorption energy is limited, Become those skilled in the art's urgent problem to be solved.

Utility model content

In order to solve above-mentioned technical problem, the utility model provides a kind of highway anticollision device, collision-prevention device, mainly It is to develop a kind of anticollision device, collision-prevention device with anticollision buffer cell, the utility model using effect is good, practical, Neng Gouyou Effect ground absorbs the impact force of errant vehicle, can reduce in knockout process and car body and multiplies to the damage of vehicle and can effectively prevent Business personnel are injured by damaged stiff safety fence plate, can be effectively improved the security performance of freeway guardrail, avoid anti-collision structure Excessive deformation and appearance the problems such as damage.

To achieve the above object, the utility model provides following scheme:

Highway anticollision device, collision-prevention device, including anticollision buffer cell, connection unit and column；Anticollision buffer cell is located at close Highway side is connect by upper and lower multiple connection units with column；Anticollision buffer cell is by pressure reductor, sliding block, damping spring, bottom Seat, tension spring, screw, buffer layer and reflective strip composition；Buffer layer is set in the outer surface of pressure reductor, pressure reductor and buffer layer are in Semi-annular shape, top and bottom are flat segments, and reflective strip is arranged in both ends flat segments, and pass through screw for pressure reductor, buffering Layer and reflective strip are fixedly connected with a slide block；Pedestal is made of sliding slot, protrusion and postive stop baffle, the shape of the longitudinal section of pedestal For mountain font, it is symmetrically arranged sliding slot at an upper portion thereof and at a lower portion thereof, pedestal upper and lower ends are respectively provided with postive stop baffle, and tension spring is located at sliding slot Interior, one end of the tension spring in the sliding slot of upper end and the downside of sliding block connect, and the upside of the other end and protrusion connects, lower end sliding slot One end of interior tension spring and the upside of sliding block connect, and the downside of the other end and protrusion connects.

Further, sliding block cross sectional shape is convex shape.

Further, the sliding slot vertical cross-section shape of pedestal be C font, the size and number of sliding slot and the size of sliding block and Quantity is adapted.

Further, connection unit is made of telescopic rod and elastic buffer block, and elastic buffer block in a tubular form, divide by the center portion thereof To be hollow, telescopic rod is located therein.

Further, the material of buffer layer is elastomeric cushion material.

Further, the material of pressure reductor is metal material.

Further, the material of column is steel, can be limited according to actual service conditions or cost, use cement material.

Further, elastic buffer block is porous type buffer stopper made of polyurethane material.

Further, the both ends of telescopic rod are to be fixedly connected with column and pedestal.

The beneficial effects of the utility model are:

The effect and advantage of the utility model are to connect sliding block by tension spring respectively by making sliding block match to merge with sliding slot It connects in the two sides of the protrusion of pedestal, in this way when pressure reductor bears the shock from errant vehicle, pressure reductor can be deformed And the sliding block being connected is pushed to move respectively to the upper and lower part of column, at this point, tension spring is by preventing sliding block far from pedestal The mode of protrusion realizes the buffering to impact force, and the damping spring between pressure reductor and pedestal, which is arranged in, can also pass through resistance Only pressure reductor realizes the buffering to impact force close to the mode of pedestal, and finally the connection unit of the device can also be liquidated by deformation Power is hit to be buffered.The highway anticollision device, collision-prevention device can effectively absorb the impact force of errant vehicle, hard so as to reduce Property knockout process in excessive damage that vehicle is generated, meanwhile, can also prevent safeguard structure excessive deformation or with column phase point From.

Detailed description of the invention

Fig. 1 is highway anticollision device, collision-prevention device structural schematic diagram.

Fig. 2 is anticollision buffer cell structural schematic diagram in the utility model.

Fig. 3 is the utility model in the base structural schematic diagram.

Fig. 4 is the utility model integral installation front view.

Fig. 5 is the A-A sectional view of Fig. 4 in the utility model.

Fig. 6 is connection unit structural schematic diagram in the utility model.

In figure, 1 is anticollision buffer cell；2 be connection unit；3 be column；4 be pressure reductor；5 be sliding block；6 be damping bullet Spring；7 be pedestal；8 be tension spring；9 be screw；10 be buffer layer；11 be reflective strip；

2-1 is telescopic rod；2-2 is elastic buffer block；

7-1 is sliding slot；7-2 is protrusion；7-3 is postive stop baffle.

Specific embodiment

In order to further illustrate the utility model, the utility model is retouched in detail with reference to the accompanying drawings and embodiments It states: but they cannot be interpreted as to the restriction to scope of protection of the utility model.

Embodiment, as shown in figs 1 to 6, highway anticollision device, collision-prevention device, including anticollision buffer cell 1, connection unit 2 and vertical Column 3；Anticollision buffer cell 1 is located at close to highway side, is connect by upper and lower multiple connection units 2 with column 3；Anticollision buffering is single Member 1 is made of pressure reductor 4, sliding block 5, damping spring 6, pedestal 7, tension spring 8, screw 9, buffer layer 10 and reflective strip 11；It is depressurizing Buffer layer 10 is arranged in the outer surface of plate 4, and pressure reductor 4 and buffer layer 10 are in semi-annular shape, and top and bottom are flat segments, and Reflective strip 11 is arranged in both ends flat segments, and fixes pressure reductor 4, buffer layer 10 and reflective strip 11 and sliding block 5 by screw 9 and connect It connects；Pedestal 7 is made of sliding slot 7-1, protrusion 7-2 and postive stop baffle 7-3, and the shape of the longitudinal section of pedestal 7 is mountain font, Upper part and lower part are symmetrically arranged sliding slot 7-1, and 7 upper and lower ends of pedestal are respectively provided with postive stop baffle 7-3, and tension spring 8 is located at sliding slot 7-1 Interior, one end of the tension spring 8 in the sliding slot 7-1 of upper end is connect with the downside of sliding block 5, and the other end is connect with the upside of protrusion 7-2, One end of tension spring 8 in the sliding slot 7-1 of lower end is connect with the upside of sliding block 5, and the other end is connect with the downside of protrusion 7-2；It is sliding 5 cross sectional shape of block is convex shape；The sliding slot 7-1 vertical cross-section shape of pedestal 7 is C font, the size and number and cunning of sliding slot 7-1 The size and number of block 5 are adapted；Connection unit 2 is made of telescopic rod 2-1 and elastic buffer block 2-2, and elastic buffer block 2-2 is in Tubulose, the center portion thereof are divided into hollow, and telescopic rod 2-1 is located therein；The material of buffer layer 10 is elastomeric cushion material；Pressure reductor 4 Material be metal material；The material of column 3 is steel, can be limited according to actual service conditions or cost, use cement material； Elastic buffer block 2-2 is porous type buffer stopper made of polyurethane material；The both ends of telescopic rod 2-1 and column 3 and pedestal 7 are equal To be fixedly connected.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims

1. A highway anti-collision device, characterized in that it comprises an anti-collision buffer unit (1), a connecting unit (2) and a column (3); The unit (2) is connected with the upright column (3); the anti-collision buffer unit (1) consists of a decompression plate (4), a slider (5), a shock-absorbing spring (6), a base (7), a tension spring (8), The screw (9), the buffer layer (10) and the reflective strip (11) are composed; the buffer layer (10) is arranged on the outer surface of the decompression plate (4), and the decompression plate (4) and the buffer layer (10) are both semicircular Ring-shaped, the top and bottom are straight sections, and reflective strips (11) are arranged on the straight sections at both ends, and the decompression plate (4), the buffer layer (10) and the reflective strips (11) are connected by screws (9). It is fixedly connected with the slider (5); the base (7) consists of a chute (7-1), a protruding part (7-2) and a limit baffle (7-3). The shape of the longitudinal section of the base (7) The chute (7-1) is symmetrically arranged at the upper and lower parts of the chute, the upper and lower ends of the base (7) are provided with limit baffles (7-3), and the tension spring (8) is located in the chute (7-3). 1), one end of the tension spring (8) in the upper end chute (7-1) is connected with the lower side of the slider (5), the other end is connected with the upper side of the protruding part (7-2), and the lower end chute One end of the tension spring (8) in (7-1) is connected to the upper side of the slider (5), and the other end is connected to the lower side of the protruding part (7-2).

2 . The anti-collision device for expressway according to claim 1 , wherein the cross-sectional shape of the slider ( 5 ) is a convex shape. 3 .

3. The highway anti-collision device according to claim 1, characterized in that: the vertical cross-sectional shape of the chute (7-1) of the base (7) is a C-shape, and the size of the chute (7-1) and the number are adapted to the size and number of the sliders (5).

4. The highway anti-collision device according to claim 1, characterized in that: the connecting unit (2) is composed of a telescopic rod (2-1) and an elastic buffer block (2-2), and the elastic buffer block (2) -2) In the shape of a tube, its central part is hollow, and the telescopic rod (2-1) is located in it.

5 . The anti-collision device for expressway according to claim 4 , wherein both ends of the telescopic rod ( 2 - 1 ) are fixedly connected to the upright column ( 3 ) and the base ( 7 ). 6 .