CN220521173U

CN220521173U - Buffer guardrail for road and bridge

Info

Publication number: CN220521173U
Application number: CN202321818958.2U
Authority: CN
Inventors: 张世龙; 刘冲; 李国辉; 张国强; 王海斌
Original assignee: Guanxian Meiming Transportation Facilities Co ltd
Current assignee: Guanxian Meiming Transportation Facilities Co ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-02-23
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses a buffer guardrail for roads and bridges, and relates to the technical field of traffic facilities; comprises a column, a wave-shaped plate and a buffer structure; the buffer structure comprises a U-shaped bent buffer plate, the buffer plate is sleeved on the upright post, connecting plates are respectively arranged at two ends of the buffer plate, and the connecting plates are connected with corrugated plates positioned at two sides of the upright post; the buffer structure comprises a limit frame and a buffer cylinder, and the buffer cylinder is inserted into the recess of the buffer plate and is positioned at the inner side of the upright post; and the stand column is provided with a limiting frame, and two ends of the buffer plate respectively penetrate out of the limiting frame from the inner side. Compared with the traditional waveform guardrail, when a kitchen is impacted by a vehicle, the device can obviously prolong the buffering distance and time, so that the buffering process is milder, more energy is released, the damage of the vehicle is reduced, and the safety is improved.

Description

Buffer guardrail for road and bridge

Technical Field

The utility model relates to the technical field of traffic facilities, in particular to a buffer guardrail for roads and bridges.

Background

Highway crash barriers are also known as highway barrier nets, highway barrier panels, highway barriers, highway nets and highway barriers. It is simply a change in name, which is essentially a guardrail net. The corrugated guardrail is a crash barrier with very wide application, is a combined corrugated plate movable steel guardrail for an opening of a central separation zone of a highway, and consists of two corrugated steel guardrail plates and two upright posts fixedly clamped between the two corrugated steel guardrail plates, wherein the two upright posts are fixedly clamped between the two corrugated steel guardrail plates.

When the vehicle collides with the vehicle, the wavy steel guardrail plate has good crashworthiness and energy absorption effects, is not easy to crash, and can also play a good role in protecting the vehicle and drivers and passengers. But the buffering effect of the waveform guardrail is mainly achieved through the fact that the waveform guardrail is impacted and deformed through the waveform shape of the waveform guardrail, after the waveform guardrail is deformed in a small range, the follow-up main effect of the waveform guardrail is to continue to limit the movement of the vehicle through the traction of the upright post, so that the buffering effect of the waveform guardrail is relatively limited, and the out-of-control vehicle cannot be fully protected.

Disclosure of Invention

The utility model aims to provide a buffer guardrail for roads and bridges, which aims to solve the problems in the background technology. The guardrail with the anti-collision effect can have a stronger buffering effect compared with a traditional waveform guardrail, and can prolong the speed-reducing distance and time to better protect vehicles while avoiding vehicles from rushing out of a road.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a buffer guardrail for roads and bridges comprises upright posts, corrugated plates and buffer structures; the buffer structure comprises a U-shaped bent buffer plate, the buffer plate is sleeved on the upright post, connecting plates are respectively arranged at two ends of the buffer plate, and the connecting plates are connected with corrugated plates positioned at two sides of the upright post; the buffer structure comprises a limit frame and a buffer cylinder, and the buffer cylinder is inserted into the recess of the buffer plate and is positioned at the inner side of the upright post; and the stand column is provided with a limiting frame, and two ends of the buffer plate respectively penetrate out of the limiting frame from the inner side.

As a further scheme of the utility model: the limiting frame comprises a mounting plate sleeved on the upright post, limiting columns respectively arranged on two sides of the upright post are mounted on the mounting plate, and two ends of the buffer plate respectively penetrate through gaps between the limiting columns on two sides and the upright post.

As still further aspects of the utility model: the buffer cylinder is provided with a limiting plate, the limiting plate is provided with a through hole, the through hole is sleeved on the upright post, and the limiting plate is positioned on the end face of the limiting post.

As still further aspects of the utility model: the folding elastic reed is installed on the inner side of the opening end of the buffer plate, and is positioned on the outer side of the upright post and connected with the two ends of the buffer plate.

As still further aspects of the utility model: the shape of connecting plate one end is laminated with the terminal surface of buffer board, and the shape of the other end is laminated with the cross-section of wave plate, multiunit set screw is installed to the junction of connecting plate and wave plate.

As still further aspects of the utility model: install a plurality of horizontal set screws on the stand, set screw outwards passes buffer board and spacing post, install a plurality of connecting screws who connects the limiting plate on the spacing post.

As still further aspects of the utility model: the mounting seat is arranged at the bottom of the upright post, a plurality of groups of reinforcing ribs for connecting the upright posts are arranged on the mounting seat, and a plurality of groups of mounting holes are formed in the mounting seat.

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

adopt above-mentioned buffer guardrail for road and bridge, this device installs U-shaped buffer board on the stand, the buffer board cover is on the stand, and inserted the buffer tube in the sunken position in rear, simultaneously connect the corrugated plate that is located both sides respectively at two terminal surfaces of another side, hardness is lower at buffer board and buffer tube, and the metal material of easily taking place to warp, when meeting the striking, the impact of the buffer part of deformation through self at first of corrugated plate, later can produce the traction force to the stand of both sides, and this device can utilize the deformation of corrugated plate to make the buffering in addition, can also carry out further buffering at the position of stand, make the buffer board warp through the traction force, be pulled to the direction of striking, the buffer tube provides sufficient resistance at this in-process, even self is flattened under external force, make the buffer board extend sufficient length to one side, and then make the distance that the vehicle that can out of control and time are all longer, the buffering process is also milder, promote the effect of buffering, reduce the impact that the vehicle bears, and promote the security.

Drawings

Fig. 1 is a schematic structural view of a buffer guardrail for roads and bridges.

Fig. 2 is a schematic diagram of a split structure of a buffer barrier for a road and bridge.

Fig. 3 is a schematic top view of a buffer guardrail for roads and bridges.

In the figure: 1. a corrugated plate; 2. a connecting plate; 3. a fixing screw; 4. a connecting screw; 5. a column; 6. a through hole; 7. a set screw; 8. a limiting plate; 9. a buffer plate; 10. reinforcing ribs; 11. a mounting base; 12. a mounting hole; 13. a limiting frame; 14. a buffer tube; 15. a buffer structure; 16. an elastic reed; 17. a limit column; 18. and (3) mounting a plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, in embodiment 1 of the present utility model, a buffer guardrail for roads and bridges includes a column 5, a corrugated plate 1 and a buffer structure 15; the buffer structure 15 comprises a U-shaped bent buffer plate 9, the buffer plate 9 is sleeved on the upright post 5, connecting plates 2 are respectively arranged at two ends of the buffer plate 9, and the connecting plates 2 are connected with corrugated plates 1 positioned at two sides of the upright post 5; the buffer structure 15 comprises a limiting frame 13 and a buffer cylinder 14, and the buffer cylinder 14 is inserted into the recess of the buffer plate 9 and is positioned at the inner side of the upright post 5; the stand 5 is provided with a limiting frame 13, and two ends of the buffer plate 9 respectively penetrate out of the limiting frame 13 from the inner side.

The device installs buffer structure 15 on stand 5, and buffer structure 15's main part is the buffer board 9 of U-shaped, and buffer board 9 cover is on stand 5, and the both ends are connected respectively and are located the wave plate 1 of both sides, and wave plate 1 still uses as main horizontal pole structure. The buffer cylinder 14 positioned at the rear side of the upright post 5 is inserted into the middle recess of the buffer plate 9, and meanwhile, the limiting frames 13 are arranged at the two sides of the upright post 5, so that the two sides of the buffer plate 9 are limited to be attached to the outer side of the upright post 5.

When the vehicle encounters an impact, the corrugated plate 1 releases part of energy through deformation of the corrugated plate, and then the impact is converted into traction force to the upright posts 5 on two sides, and the corrugated plate 1 is blocked by the traction of the upright posts 5, so that the vehicle is blocked from continuously impacting outwards. The column 5 in the device does not directly bear the traction, but the buffer plate 9 connected with the corrugated plate 1 is used for buffering firstly, the buffer plate 9 and the buffer cylinder 14 are made of materials with low hardness and easy to deform, the materials are similar to the corrugated plate 1, when in use, the buffer plate 9 is pulled to deform, one side where impact occurs is pulled, the buffer cylinder 14 is extruded while the pulling is carried out, so that the buffer cylinder 14 is flattened, a lot of energy is released in the process, the distance that the corrugated plate 1 can move is prolonged, the distance and the time that a vehicle can buffer are prolonged, the buffer process can release more energy, and meanwhile, the buffer guardrail is milder than the traditional corrugated guardrail, has better buffer effect, reduces the damage of the vehicle in the process, and improves the overall safety.

As another embodiment of the present utility model, referring to fig. 1 to 3, the main difference between the present embodiment 2 and the embodiment 1 is that:

referring to fig. 2 and 3, in embodiment 2 of the present utility model, the limiting frame 13 includes a mounting plate 18 sleeved on the upright 5, limiting posts 17 respectively located at two sides of the upright 5 are mounted on the mounting plate 18, and two ends of the buffer plate 9 respectively pass through gaps between the limiting posts 17 at two sides and the upright 5. The mounting panel 18 limits the position of both sides spacing 13, and spacing post 17 is located both sides and blocks buffer board 9, when buffer board 9 receives to drag, avoids buffer board 9 directly to expand, makes buffer board 9 must outwards stimulate through the mode of extrusion buffer tube 14, reaches abundant buffering effect.

Referring to fig. 1-3, the buffer cylinder 14 is provided with a limiting plate 8, the limiting plate 8 is provided with a through hole 6, the through hole 6 is sleeved on the upright post 5, and the limiting plate 8 is positioned on the end face of the limiting post 17. The limiting plate 8 is positioned at the top of the buffer cylinder 14, and the through holes 6 on the limiting plate 8 are sleeved on the upright posts 5, so that the buffer cylinder 14 is suspended and cannot fall off, and the installation is convenient. Meanwhile, the limiting plate 8 located above blocks the buffer plate 9 after installation is completed, and the buffer plate 9 is prevented from falling off due to external force.

Referring to fig. 2 and 3, a folded spring reed 16 is mounted inside the opening end of the buffer plate 9, and the spring reed 16 is located outside the upright post 5 and connects two ends of the buffer plate 9. The elastic reed 16 is located at the opening end of the buffer plate 9, and maintains the U-shape of the buffer plate 9, and when the buffer plate 9 is pulled and deformed, the elastic reed 16 is deformed, and the impact of the buffering energy of a part is shared.

Referring to fig. 1, one end of the connecting plate 2 is attached to an end surface of the buffer plate 9, the other end is attached to a cross section of the corrugated plate 1, and a plurality of groups of fixing screws 3 are installed at a joint of the connecting plate 2 and the corrugated plate 1. The connecting plate 2 is used for being as the buffer section, is the part of buffer board 9, and buffer board 9 is connected to connecting plate 2 one end shape, and the other end can make corrugated plate 1 laminating installation, and set screw 3 is used for connecting corrugated plate 1 and connecting plate 2.

Referring to fig. 1 to 3, the upright 5 is provided with a plurality of transverse positioning screws 7, the positioning screws 7 outwards penetrate through the buffer plate 9 and the limiting column 17, and the limiting column 17 is provided with a plurality of connecting screws 4 connected with the limiting plate 8. The positioning screw 7 strengthens the connection between the buffer plate 9, the limit post 17 and the upright post 5, and the connecting screw 4 strengthens the fixing effect of the limit plate 8.

Referring to fig. 1 and 2, the bottom of the upright 5 is provided with a mounting seat 11, the mounting seat 11 is provided with a plurality of groups of reinforcing ribs 10 for connecting the upright 5, and the mounting seat 11 is provided with a plurality of groups of mounting holes 12. The mount pad 11 is used for installing on ground, and mounting hole 12 can be used for installing expansion screw etc. and strengthening rib 10 strengthens the supporting effect, and this device can punch the installation in road surface both sides, also can install through modes such as pouring cement platform.

The working principle of the utility model is as follows:

the device has used the buffer assembly of installing on stand 5, utilizes the buffer assembly to connect the wave plate 1 of both sides, and the buffer assembly includes the buffer board 9 of U nature, and buffer board 9 cover is on stand 5, through the position of spacing 13 restriction self, and simultaneously the concave part of buffer board 9 installs male buffer tube 14, and buffer tube 14 is located stand 5 inboard, and the wave plate 1 is connected through connecting plate 2 at buffer board 9 both ends. When encountering the striking, the wave plate 1 passes through the kinetic energy of the deformation buffering part of self, simultaneously through the traction, makes the buffer plate 9 warp along with it, and the buffer tube 14 is extruded to the in-process that buffer plate 9 outwards pulled out, makes buffer tube 14 flattened, and this process can release great buffering energy, can also prolong the deformation distance of wave plate 1 simultaneously, prolongs the time and the distance that the vehicle obtained the buffering, and then improves the effect of buffering, reduces the damage that the vehicle received, promotes the security.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A buffer guardrail for roads and bridges comprises upright posts, corrugated plates and buffer structures; the buffer structure is characterized by comprising a U-shaped bent buffer plate, wherein the buffer plate is sleeved on the upright post, connecting plates are respectively arranged at two ends of the buffer plate, and the connecting plates are connected with corrugated plates positioned at two sides of the upright post; the buffer structure comprises a limit frame and a buffer cylinder, and the buffer cylinder is inserted into the recess of the buffer plate and is positioned at the inner side of the upright post; and the stand column is provided with a limiting frame, and two ends of the buffer plate respectively penetrate out of the limiting frame from the inner side.

2. The buffer guardrail for roads and bridges according to claim 1, wherein the limiting frame comprises a mounting plate sleeved on the upright post, limiting posts respectively positioned on two sides of the upright post are mounted on the mounting plate, and two ends of the buffer plate respectively pass through gaps between the limiting posts on two sides and the upright post.

3. The buffer guardrail for roads and bridges according to claim 2, wherein the buffer cylinder is provided with a limiting plate, the limiting plate is provided with a through hole, the through hole is sleeved on the upright post, and the limiting plate is positioned on the end face of the limiting post.

4. The buffer barrier for roads and bridges according to claim 1, wherein the inner side of the open end of the buffer plate is provided with a folded elastic reed, and the elastic reed is positioned outside the upright post and connected with the two ends of the buffer plate.

5. The buffer guardrail for roads and bridges according to claim 1, wherein one end of the connecting plate is attached to the end face of the buffer plate, the other end of the connecting plate is attached to the cross section of the corrugated plate, and a plurality of groups of fixing screws are installed at the joint of the connecting plate and the corrugated plate.

6. The buffer barrier for road and bridge according to claim 3, wherein a plurality of transverse positioning screws are installed on the upright posts, the positioning screws pass through the buffer plate and the limit posts outwards, and a plurality of connecting screws for connecting the limit plates are installed on the limit posts.

7. The buffer guardrail for roads and bridges according to claim 1 or 6, wherein the bottom of the upright post is provided with a mounting seat, the mounting seat is provided with a plurality of groups of reinforcing ribs for connecting the upright posts, and the mounting seat is provided with a plurality of groups of mounting holes.