CN210066586U

CN210066586U - Anti-collision warning guardrail for expressway

Info

Publication number: CN210066586U
Application number: CN201920725442.0U
Authority: CN
Inventors: 杨晨曦; 张雨雯; 蒋渊
Original assignee: Xihua University
Current assignee: Xihua University
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-02-14
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses an anticollision warning guardrail for highway, including the support post of burying in the road bed in advance, with support post fixed connection's bottom plate, vertical setting is in the bottom plate middle part with the division board of bottom plate branch into two, be close to road outside one end fixed connection with the bottom plate and with division board parallel arrangement's outer casing, the roof that all links to each other with the other end of division board and outer casing, set up the buffer in the space that is formed by the bottom plate, division board, roof and outer casing, and set up a plurality of shock resistance in the space that is formed by the bottom plate, division board and roof side by side and unload the ability device. Through the design, the utility model discloses utilize to resist shock and unload ability device and buffer, carry out dual enhancement to the anti striking ability of guardrail, can furthest disperse, clear up the impact, strengthened the security of highway guardrail. Therefore, the method has high use value and popularization value.

Description

Anti-collision warning guardrail for expressway

Technical Field

The utility model belongs to the technical field of the traffic facilities and specifically relates to a highway is with crashproof warning guardrail is related to.

Background

The highway guardrail plays the effect of keeping apart charge highway and external ordinary highway on the one hand, and on the other hand can carry out certain guard action to the vehicle that takes place the accident on the highway again. At present, most of highway anti-collision guardrails are of steel structures, are heavy in mass and high in rigidity, have weak impact absorption capacity when being impacted, and can be inserted into a vehicle body after a steel plate is broken, so that secondary injury is caused to people in the vehicle. The traditional steel plate guard plate has the additional defects of difficult installation and maintenance, high cost, poor weather adaptability, easy corrosion, rusting and aging and short service life.

Therefore, for the road sections such as the curve where accidents are easy to happen, the anti-collision guardrail with good shock absorption effect needs to be designed, so that the guardrail has strong deformability, effectively blocks the vehicle under high-speed impact, slows down the vehicle speed, has good protection effect, and avoids the guardrail from causing secondary damage to the driver.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a highway is with crashproof warning guardrail, it is not good to the vehicle anticollision shock attenuation effect that meets accident mainly to solve current anticollision guardrail, causes the problem of secondary injury to the driver.

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

the utility model provides an anticollision warning guardrail for highway, including burying the support post in the road bed in advance, with support post fixed connection's bottom plate, vertical setting is in the division board that the bottom plate is divided into two in the bottom plate middle part, be close to road outside one end fixed connection and with division board parallel arrangement's outer casing with the bottom plate, the roof that all links to each other with the other end of division board and outer casing, set up in by the bottom plate, the division board, the buffer in the space of roof and outer casing formation, and set up side by side in by the bottom plate, a plurality of anti impact energy-discharging device in the space of division board and roof formation.

Furthermore, the impact-resistant energy-discharging device comprises a fixed shaft, a rotating sleeve, a first sponge cushion pad, an energy absorption pipe, a second sponge cushion pad and a steel protective sleeve, wherein one end of the fixed shaft is connected with the bottom plate, the other end of the fixed shaft is connected with the top plate, the rotating sleeve is sleeved on the fixed shaft, the first sponge cushion pad is connected with the rotating sleeve through a rigid spring, and the energy absorption pipe, the second sponge cushion pad and the steel protective sleeve are sequentially stacked.

Further, the energy absorption pipe comprises an inner circular pipe and an outer circular pipe which are coaxially arranged, and a honeycomb-shaped pipe piece arranged between the inner circular pipe and the outer circular pipe; wherein, interior pipe is connected with first sponge blotter, and outer pipe is connected with second sponge blotter.

Further, buffer includes the first bearing plate of being connected through belleville spring and division board, the second bearing plate of being connected through belleville spring and outer casing to and set up the plastic energy-absorbing board between first bearing plate and second bearing plate.

Preferably, the bottom plate, the isolation plate and the outer guard plate are all made of steel materials.

Preferably, the top plate is a reinforced steel plate profile with grooves

Preferably, the steel protective sleeve is provided with fluorescent reflective stripes.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a set up and to resist shock and unload can the device, resist shock and unload can the device at first play the effect of first protection line to the vehicle, when the accident vehicle side direction with resist shock and unload can the device striking, resist shock and unload can the device can be rotatory around the fixed axle of self, realize the flexible striking of vehicle and guardrail, can reduce the momentum of vehicle striking, avoid causing secondary damage.

(2) The utility model discloses an energy-discharging device shocks resistance locates on the fixed axle through rotatory cover pipe box to set up double-deck sponge blotter and cushion, and set up the energy-absorbing pipe between two-layer sponge blotter, make the energy-absorbing pressure release effect of whole device better.

(3) The utility model discloses a set up buffer, when the impact that can the device surpasses the limit of bearing when unloading as first protection defence line shocks resistance, buffer plays the second and heavily cushions the pressure release, avoids the guardrail fracture, and the vehicle rushes out the curb, falls cliff or bridge floor.

(4) The utility model discloses an energy-absorbing pipe overall structure is the pipe form, including pipe and the setting of excircle pipe be honeycomb holes's section of jurisdiction, has better energy-absorbing buffering absorbing effect.

(5) The utility model discloses a set up the reflection of light stripe of fluorescence on the steel protective sheath that can the device is unloaded in shock resistance, can play the suggestion effect to passing vehicle, remind this highway section for the accident easily sends out the highway section, remind the driver to drive carefully, avoid the occurence of failure.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1.

Fig. 3 is a schematic cross-sectional view of the impact-resistant energy-discharging device of the present invention.

Wherein, the names corresponding to the reference numbers are:

1-supporting upright posts, 2-bottom plates, 3-partition plates, 4-outer guard plates, 5-top plates, 6-impact-resistant energy discharging devices, 7-buffer devices, 8-fluorescent light reflecting stripes, 51-grooves, 61-fixed shafts, 62-rotating sleeves, 63-rigid springs, 64-first sponge buffer pads, 65-energy absorbing pipes, 66-second sponge buffer pads, 67-steel protective sleeves, 601-inner circular pipes, 602-honeycomb duct pieces, 603-outer circular pipes, 701-belleville springs, 702-second bearing plates, 703-plastic energy absorbing plates and 704-first bearing plates.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

Examples

As shown in fig. 1-3, the utility model discloses an anti-collision warning guardrail for expressway, mainly set up in accident-prone places such as bend, bridge. This guardrail is including burying support post 1 in the road bed in advance, with support post 1 fixed connection's bottom plate 2, vertical setting is in 2 middle parts of bottom plate division 3 of bottom plate two into, be close to road outside one end fixed connection and with 3 parallel arrangement's of division board outer protecting sheathing 4 with bottom plate 1, roof 5 that all links to each other with the other end of division board 3 and outer protecting sheathing 4, set up buffer 7 in the space that is formed by bottom plate 2, division board 3, roof 5 and outer protecting sheathing 4, and set up side by side in a plurality of anti impact energy-discharging device 6 in the space that is formed by bottom plate 2, division board 3 and roof 5. Wherein, bottom plate 2, division board 3 and outer casing 4 all adopt the steel material to make, just roof 5 adopts and has slot 51 reinforcing steel plate section bar, and the intensity of roof can be strengthened on the one hand to the slot section bar, and on the other hand can also play the effect of drainage rainwater.

In order to protect the guard rail to the maximum extent, an anti-impact energy discharging device is used as a first pressure-relief protection line, and the anti-impact energy discharging device 6 comprises a fixed shaft 61 with one end connected with the bottom plate 2 and the other end connected with the top plate 5, a rotating sleeve 62 sleeved on the fixed shaft 61, a first sponge cushion pad 64 connected with the rotating sleeve 62 through a rigid spring 63, and an energy absorption pipe 65, a second sponge cushion pad 66 and a steel protection sleeve 67 which are sequentially stacked outside the first sponge cushion pad. The setting of multilayer sponge blotter can play better buffering effect. And, be provided with fluorescence reflection of light stripe 8 on the steel protective sheath 67, can play the suggestion effect to passing vehicle, remind this highway section for the accident easily sends out the highway section, remind the driver to drive carefully, avoid the occurence of failure.

Meanwhile, in order to better absorb momentum caused by huge impact of the vehicle, the momentum is dissipated and decomposed by utilizing the energy absorption pipe. The energy absorption pipe 65 comprises an inner circular pipe 601 and an outer circular pipe 603 which are coaxially arranged, and a honeycomb duct piece 602 arranged between the inner circular pipe 601 and the outer circular pipe 603; wherein, the inner circular tube 601 is connected with the first sponge cushion pad 64, and the outer circular tube 603 is connected with the second sponge cushion pad 66. The honeycomb-shaped duct piece can make the energy dissipation effect better.

When the impact-resistant energy-discharging device serving as the first defense line is damaged due to the fact that the impact-resistant energy-discharging device exceeds the maximum impact which can be borne, the buffer device 7 serving as the second defense line can further ensure that the guardrail cannot be broken, and vehicles are prevented from rushing out of road shoulders and falling off a cliff or a bridge floor. The buffer device 7 comprises a first pressure bearing plate 704 connected with the isolation plate 3 through a belleville spring 701, a second pressure bearing plate 702 connected with the outer protection plate 4 through the belleville spring 701, and a plastic energy absorption plate 703 arranged between the first pressure bearing plate 704 and the second pressure bearing plate 702.

Through the design, the utility model discloses an utilize anti-impact energy-discharging device and buffer, carry out dual enhancement to the anti-impact ability of guardrail, anti-impact energy-discharging device plays the effect of first protection defence line to the vehicle at first, when the vehicle side direction of accident and anti-impact energy-discharging device bump, anti-impact energy-discharging device can rotate around self fixed axle, realize the flexible striking of vehicle and guardrail, through the pressure release energy dissipation of two-layer foam-rubber cushion and energy-absorbing pipe, can reduce the momentum of vehicle striking, avoid causing the secondary injury; the buffer device can play a further protection role after the anti-impact energy discharging device fails, and the safety of the highway guardrail is enhanced. Therefore, the method has high use value and popularization value.

The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.

Claims

1. The utility model provides an anticollision warning guardrail for highway, a serial communication port, including bury support post (1) in the road bed in advance, with support post (1) fixed connection's bottom plate (2), vertical division board (3) that divide into two bottom plate (2) middle part in setting up, outer casing (4) that are close to road outside one end fixed connection and with division board (3) parallel arrangement with bottom plate (2), roof (5) that all link to each other with the other end of division board (3) and outer casing (4), set up buffer (7) in the space that is formed by bottom plate (2), division board (3), roof (5) and outer casing (4), and set up a plurality of anti-impact energy-discharging device (6) in the space that is formed by bottom plate (2), division board (3) and roof (5) side by side.

2. The crash warning guardrail for the expressway as claimed in claim 1, wherein the impact resistant energy discharging device (6) comprises a fixed shaft (61) having one end connected to the base plate (2) and the other end connected to the top plate (5), a rotating sleeve (62) fitted over the fixed shaft (61), a first sponge cushion (64) connected to the rotating sleeve (62) through a stiff spring (63), and an energy absorbing tube (65), a second sponge cushion (66) and a steel protective sheath (67) laminated in sequence outside the first sponge cushion.

3. The anti-collision warning guardrail for the expressway of claim 2, wherein the energy absorbing pipe (65) comprises an inner circular pipe (601) and an outer circular pipe (603) which are coaxially arranged, and a honeycomb-shaped pipe piece (602) arranged between the inner circular pipe (601) and the outer circular pipe (603); wherein, the inner round tube (601) is connected with the first sponge cushion pad (64), and the outer round tube (603) is connected with the second sponge cushion pad (66).

4. The anti-collision warning guardrail for the expressway of claim 3, wherein the buffering device (7) comprises a first bearing plate (704) connected with the isolation plate (3) through a belleville spring (701), a second bearing plate (702) connected with the outer protection plate (4) through the belleville spring (701), and a plastic energy absorption plate (703) arranged between the first bearing plate (704) and the second bearing plate (702).

5. The anti-collision warning guardrail for the expressway of claim 4, wherein the bottom plate (2), the isolation plate (3) and the outer guard plate (4) are all made of steel materials.

6. An expressway crash barrier according to claim 5, wherein the top plate (5) is a reinforced steel plate profile with grooves (51).

7. The crash barrier according to claim 6, wherein said steel protective sheath (67) is provided with fluorescent reflective stripes (8).