CN210140796U

CN210140796U - Safe type anticollision road guardrail

Info

Publication number: CN210140796U
Application number: CN201920696820.7U
Authority: CN
Inventors: 吴霄峰; 张哲闻; 赵红亚
Original assignee: China University of Petroleum East China
Current assignee: China University of Petroleum East China
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-03-13
Anticipated expiration: 2029-05-15

Abstract

The utility model discloses a safety anti-collision road guardrail, which comprises a left pillar, wherein a first fixing hole is arranged near the upper part of the left pillar, a right pillar is arranged at one side of the left pillar, an inner thread is arranged on the inner side wall of the first fixing hole, a second fixing hole is arranged near the upper part of the right pillar, and a connecting shaft is arranged between the first fixing hole and the second fixing hole; the utility model discloses the top of leaning on of controlling the pillar is equipped with the cylinder, lean on the below to be equipped with the guardrail board respectively, the piece is prevented to energy-absorbing bolt and three wave, when high speed low-angle striking guardrail, the vehicle can be guided by the cylinder and stop gradually under the damping action of cylinder roll, can reduce vehicle impact and damage, when the big angle striking of high speed, the cylinder passes through the deformation energy-absorbing in advance, back is through the guardrail board, the piece energy-absorbing is prevented to energy-absorbing bolt and three wave, can reduce the impact, guarantee guardrail integrality, prevent that the vehicle from falling road bed or bridge floor.

Description

Safe type anticollision road guardrail

Technical Field

The utility model belongs to the technical field of road guardrail, concretely relates to safe type anticollision road guardrail.

Background

The road plays an important role in influencing the development of national economy and society, because the road driving speed is fast, and density is big, must set up a set of complete safety device on the road, and safe type anticollision barrier plays an important role in preventing driving accidents as the component of safety device, and although the production technology of current safe type anticollision road guardrail is becoming mature day by day, still has some to be improved not enough.

The safe anti-collision road guardrail in the prior art has the following problems: the current safe type anticollision road guardrail generally adopts the drum-type structure, though crashworthiness preferred, but the cylinder of current road guardrail all is located the middle part, when receiving the condition that the vehicle impact deformation will be changed, needs whole section to demolish, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a safe type anticollision road guardrail has that anticollision performance is good, cylinder easy dismounting's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a safe type anticollision road guardrail, includes the left branch post, the top of leaning on of left branch post is provided with first fixed orifices, and one side of left branch post is provided with the right branch post, the inside wall of first fixed orifices is provided with the internal thread, the top of leaning on of right branch post is provided with the second fixed orifices, be provided with the connecting axle between first fixed orifices and the second fixed orifices, the one end that the connecting axle is close to first fixed orifices is provided with the fixed axle, and the outside of connecting axle is provided with the cylinder, the lateral wall of fixed axle corresponds internal screw thread position department and is provided with the external screw thread, below one side of cylinder is provided with the guardrail board, and the below opposite side of cylinder is provided with the triple wave and prevents hindering the piece, guardrail board and triple wave prevent hindering through energy-absorbing bolted.

Preferably, the bottom of the left pillar and the right pillar is provided with supporting legs, and the supporting legs are arranged in a trapezoidal structure.

Preferably, the side of the fixing shaft, which is far away from the external thread, is provided with anti-skid grains.

Preferably, the outer surface of the roller is provided with a rubber sleeve.

Preferably, the first fixing hole includes a first through hole and a second through hole, wherein the second through hole is formed at one end of the first through hole, the first through hole is of a large-area structure and is the same as the fixing shaft in size, and the second through hole is of a small-area structure and is the same as the connecting shaft in size.

Preferably, when the fixing shaft is connected with the first through hole of the first fixing hole, the fixing shaft portion protrudes outside the first fixing hole.

Preferably, the second through hole of the first fixing hole has the same size as the second fixing hole.

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

1. the utility model discloses the top of leaning on of controlling the pillar is equipped with the cylinder, lean on the below to be equipped with the guardrail board respectively, the piece is prevented to energy-absorbing bolt and three wave, when high speed low-angle striking guardrail, the vehicle can be guided by the cylinder and stop gradually under the damping action of cylinder roll, can reduce vehicle impact and damage, when the big angle striking of high speed, the cylinder passes through the deformation energy-absorbing in advance, back is through the guardrail board, the piece energy-absorbing is prevented to energy-absorbing bolt and three wave, can reduce the impact, guarantee guardrail integrality, prevent that the vehicle from falling road bed or bridge floor.

2. The utility model discloses the pillar top is located to the cylinder, and for dismantled and assembled structural design, passes first fixed orifices and cylinder with the connecting axle in proper order during the installation, is fixed in the second fixed orifices, and forward rotation fixed axle again stops until internal thread and external screw thread meshing, and the fixed axle of counter rotation during the dismantlement, interior external screw thread separation, take off the connecting axle change the cylinder can, need not whole section dismantlement, labour saving and time saving.

Drawings

Fig. 1 is a schematic structural diagram of the working state of the present invention.

Fig. 2 is a schematic structural view of the roller splitting state of the present invention.

Fig. 3 is the structure diagram of the connection relationship between the guardrail plate, the energy-absorbing bolt and the three-wave anti-blocking block of the present invention.

In the figure: 1. a guardrail plate; 2. a left strut; 3. a fixed shaft; 4. a drum; 5. a right strut; 6. an internal thread; 7. a first fixing hole; 8. an external thread; 9. a connecting shaft; 10. a second fixing hole; 11. an energy-absorbing bolt; 12. three-wave anti-blocking block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a safety anti-collision road guardrail comprises a left pillar 2, a first fixing hole 7 is arranged above the left pillar 2, a right pillar 5 is arranged on one side of the left pillar 2, in order to improve stability, in the embodiment, preferably, supporting legs are arranged at the bottom of the left pillar 2 and the bottom of the right pillar 5, the supporting legs are in a trapezoidal structure, internal threads 6 are arranged on the inner side wall of the first fixing hole 7, a second fixing hole 10 is arranged above the right pillar 5, a connecting shaft 9 is arranged between the first fixing hole 7 and the second fixing hole 10, a fixing shaft 3 is arranged at one end, close to the first fixing hole 7, of the connecting shaft 9, in order to connect and conveniently fix, in the embodiment, preferably, the first fixing hole 7 comprises a first through hole and a second through hole, wherein one end of the first through hole is provided with a second through hole, the first through hole is in a large-area structure and is the same as the size of the, the second through hole has a small area structure and is the same as the connecting shaft 9 in size, so as to fix the connecting shaft 9 conveniently, in this embodiment, preferably, the second through hole of the first fixing hole 7 is the same as the second fixing hole 10 in size, so as to facilitate later-stage dismounting and mounting of the connecting shaft 9, in this embodiment, preferably, when the fixing shaft 3 is connected with the first through hole of the first fixing hole 7, part of the fixing shaft 3 protrudes outside the first fixing hole 7, and the outside of the connecting shaft 9 is provided with the roller 4, in order to improve the energy absorption effect, in this embodiment, preferably, the outer surface of the roller 4 is provided with a rubber sleeve, the outer side wall of the fixing shaft 3 is provided with an external thread 8 at a position corresponding to the internal thread 6, in order to facilitate later-stage operation of the fixing shaft 3, in this embodiment, preferably, one side of the fixing shaft 3 away from, and the other side below the roller 4 is provided with a three-wave anti-blocking block 12, and the guardrail plate 1 is connected with the three-wave anti-blocking block 12 through an energy-absorbing bolt 11.

The utility model discloses a theory of operation and use flow: firstly, a roller 4 close to the lower part is placed at a proper position between a left pillar 2 and a right pillar 5, then a connecting shaft 9 sequentially penetrates through a first fixing hole 7 and the roller 4 and is fixed in a second fixing hole 10, then a fixing shaft 3 is rotated in the forward direction until an internal thread 6 and an external thread 8 are meshed and stopped, then the uppermost roller 4 is fixed in the same way, and finally the roller is fixed through a concrete fixing supporting leg to be mounted and used, the mounting structure of the roller 4 can facilitate later-stage dismounting and mounting of the roller 4 for maintenance or replacement, when a guardrail is impacted by high speed and small angle in the using process, a vehicle is guided by the roller 4 and gradually stops under the rolling damping action of the roller 4, the vehicle impact and damage are reduced, when the guardrail is impacted by high speed and large angle, the roller 4 firstly passes through deformation and then absorbs energy through the guardrail plate 1, an energy-absorbing bolt 11 and a three-wave anti, reduce and strike, guarantee guardrail integrality, prevent that the vehicle from falling road bed or bridge floor.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safe type anticollision road guardrail, includes left pillar (2), its characterized in that: a first fixing hole (7) is arranged near the upper part of the left strut (2), a right strut (5) is arranged at one side of the left strut (2), the inner side wall of the first fixing hole (7) is provided with an internal thread (6), a second fixing hole (10) is arranged above the right strut (5), a connecting shaft (9) is arranged between the first fixing hole (7) and the second fixing hole (10), a fixed shaft (3) is arranged at one end of the connecting shaft (9) close to the first fixed hole (7), a roller (4) is arranged outside the connecting shaft (9), an external thread (8) is arranged at the position of the outer side wall of the fixed shaft (3) corresponding to the internal thread (6), a guardrail plate (1) is arranged at one side below the roller (4), and the other side below the roller (4) is provided with a three-wave anti-blocking block (12), and the guardrail plate (1) is connected with the three-wave anti-blocking block (12) through an energy-absorbing bolt (11).

2. A safety crash barrier as claimed in claim 1, wherein: supporting legs are arranged at the bottoms of the left support column (2) and the right support column (5) and are of a trapezoidal structure.

3. A safety crash barrier as claimed in claim 1, wherein: and anti-skid grains are arranged on one side, far away from the external thread (8), of the fixed shaft (3).

4. A safety crash barrier as claimed in claim 1, wherein: the outer surface of the roller (4) is provided with a rubber sleeve.

5. A safety crash barrier as claimed in claim 1, wherein: the first fixing hole (7) comprises a first through hole and a second through hole, wherein the second through hole is formed in one end of the first through hole, the first through hole is of a large-area structure and is identical to the fixing shaft (3) in size, and the second through hole is of a small-area structure and is identical to the connecting shaft (9) in size.

6. A safety crash barrier as claimed in claim 1, wherein: when the fixed shaft (3) is connected with the first through hole of the first fixing hole (7), the part of the fixed shaft (3) protrudes out of the first fixing hole (7).

7. A safety crash barrier as claimed in claim 5, wherein: the size of the second through hole of the first fixing hole (7) is the same as that of the second fixing hole (10).