CN219099897U

CN219099897U - Wave-shaped guardrail

Info

Publication number: CN219099897U
Application number: CN202223163114.7U
Authority: CN
Inventors: 张宝彬; 张保林; 陈桂林; 吴立余; 王建; 田才秀; 杨勇; 杨菊华
Original assignee: Shaanxi Jinbaodi Traffic Engineering Construction Co ltd
Current assignee: Shaanxi Jinbaodi Traffic Engineering Construction Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-30
Anticipated expiration: 2032-11-28

Abstract

The utility model belongs to the field of guardrails, and particularly discloses a waveform guardrail which comprises a stand column, a plurality of waveform protection plates and a connecting piece; the head and the tail of the waveform protection plate are fixed on a connecting piece, and the connecting piece is fixed on the upright post; the connecting piece comprises a base plate, wherein the base plate is a horizontal plate; elastic plates are arranged on two sides of the substrate; and a mounting hole is formed in the middle of the substrate. The elastic plate is in a shape with convex two ends and concave middle; the upper end and the lower end of the elastic plate are provided with horizontal mounting surfaces which are fixed on the base plate through fasteners; the middle part of the elastic plate indent is provided with a through hole, the through hole penetrates through the base plate, and the base plate, the elastic plate and the waveform protection plate are connected through a fastening bolt and a fastening nut. The fixing mode of traditional wave form guard plate head and tail overlap joint has been solved and the easy damage that causes jointly, the technical problem of increase cost of maintenance and degree of difficulty.

Description

Wave-shaped guardrail

Technical Field

The utility model belongs to the technical field of guardrails, and particularly relates to a waveform guardrail.

Background

Highway guardrails are the primary form of semi-rigid guardrails, which are a continuous structure of corrugated steel guardrail plates spliced to each other and supported by main posts. The vehicle can absorb energy during collision, is not easy to be destroyed, and can protect the vehicle and drivers and passengers.

At present, the waveform protective fence is generally formed by fixedly connecting a plurality of waveform protective plates in an end-to-end lap joint mode through bolts or rivets. Although the structure is simpler, when a vehicle collides with the waveform protective guard, one waveform protective plate is damaged, so that the end bending of the waveform protective plate and the adjacent waveform protective plates are damaged together, the maintenance cost is increased, and the maintenance work is complex and the time consumption is long.

Disclosure of Invention

The utility model solves the technical problems that: the traditional fixing mode of the head-to-tail lap joint of the waveform protection plate is easy to cause joint damage, and the maintenance cost and the difficulty are increased.

The technical scheme is as follows: in order to solve the technical problems, the utility model adopts the following technical scheme:

a waveform guardrail comprises an upright post, a plurality of waveform protection plates and connecting pieces; the head and the tail of the waveform protection plate are fixed on a connecting piece, and the connecting piece is fixed on the upright post;

the connecting piece comprises a base plate, wherein the base plate is a horizontal plate; elastic plates are arranged on two sides of the substrate; and a mounting hole is formed in the middle of the substrate.

Further, the elastic plate is in a shape with convex two ends and concave middle; the upper end and the lower end of the elastic plate are provided with horizontal mounting surfaces which are fixed on the base plate through fasteners; the middle part of the elastic plate indent is provided with a through hole, the through hole penetrates through the base plate, and the base plate, the elastic plate and the waveform protection plate are connected through a fastening bolt and a fastening nut.

Further, a buffer spring is sleeved on the fastening bolt of the elastic plate and the waveform protection plate.

Further, the thickness of the buffer spring is less than 10mm.

Further, the two ends of the elastic plate are raised to be of a solid structure; screw thread counter bores are arranged on the inclined planes of the protrusions at the two ends of the elastic plate and the protruding end heads.

Further, the elastic plate is a horizontal plate, two ends of the elastic plate are fixed on the base plate by using fasteners, a hollow elastic boss is arranged at the position of the elastic plate corresponding to the bulge of the waveform protection plate, and a second buffer spring is arranged inside the elastic boss.

Further, the elastic plate is provided with a second through hole at the center position of the second buffer spring and the middle position corresponding to the concave of the waveform protection plate, the second through hole penetrates through the base plate, and the base plate, the elastic plate and the waveform protection plate are connected through a second fastening bolt and a second fastening nut.

The beneficial effects are that: compared with the prior art, the utility model has the following advantages:

the utility model changes the mode that the traditional waveform protection plates are lapped by the fasteners at the head and the tail, creatively proposes to connect the waveform protection plates together by using the connecting piece, has simple structure, can separate adjacent waveform protection plates, solves the associated damage of the waveform protection plates caused by the traditional lapping mode, protects the waveform protection plates and reduces maintenance cost. In addition, the waveform protection plate is detachably connected with the connecting piece, so that the maintenance is convenient and the difficulty is low.

The connecting piece is provided with the elastic plate, when the waveform protection plate receives impact, the convex end of the solid elastic plate or the hollow elastic boss and the buffer spring are matched to absorb part of impact force, so that the impact resistance of the whole waveform guardrail is enhanced, and meanwhile, the anti-blocking block and the adjacent waveform protection plate are protected.

Drawings

FIG. 1 is a schematic view of the overall assembled structure of the present utility model;

FIG. 2 is a cross-sectional view of the first embodiment of the connector assembled with the wave shield plate;

fig. 3 is a cross-sectional view of the connector and the wave shield plate of the second embodiment after assembly.

Detailed Description

The utility model will be further illustrated with reference to specific examples, which are carried out on the basis of the technical solutions of the utility model, it being understood that these examples are only intended to illustrate the utility model and are not intended to limit the scope thereof.

As shown in fig. 1, a wave guardrail of the present application comprises a column 1, a plurality of wave protection plates 2 and a connecting piece 3; the head and the tail of the waveform protection plate 2 are fixed on the connecting piece 3, and the connecting piece 3 is directly fixed on the upright post 1 or is firstly fixed on the anti-blocking block and then is fixed on the upright post 1.

The connecting piece 3 comprises a base plate 4, wherein the base plate 4 is a horizontal plate; elastic plates 5 are provided on both sides of the substrate 4. A mounting hole 6 is provided in the middle of the base plate 4, and the base plate 4 can be fixed on the upright post 1 or the anti-blocking block by using a fastener.

Embodiment one: as shown in fig. 1 and 2, the shape of the elastic plate 5 is fitted with the shape of the wave-shaped protection plate 2, and is convex at two ends and concave in the middle; the elastic plate 5 has horizontal mounting surfaces at its upper and lower ends, and is fixed to the base plate 4 by fasteners. A through hole is arranged in the middle of the concave of the elastic plate 5, penetrates through the base plate 4, and is connected with the base plate 4, the elastic plate 5 and the waveform protection plate 2 by using a fastening bolt 7 and a fastening nut 8 to fix the base plate 4, the elastic plate 5 and the waveform protection plate 2.

The buffer spring 9 is sleeved on the fastening bolt 7 of the elastic plate 5 and the wave protection plate 2. The thickness of the buffer spring 9 is below 10mm.

In order to increase the anti-buffering capacity of the elastic plate 5, the corrugated protection plate 2 is convenient to install, and two ends of the elastic plate 5 are protruded to be of a solid structure. In order to match with the punching installation mode of the traditional waveform protection plate 2, threaded counter bores 10 are arranged on the inclined planes of the protrusions at the two ends of the elastic plate 5 and the protruding ends and used for fixing the waveform protection plate 2.

Compared with the traditional method that the wave-shaped protection plate 2 is directly fixed on the anti-blocking block or the upright post 1, the contact area between the horizontal base plate 4 and the anti-blocking block or the upright post 1 is increased, the number of fasteners is increased, and the installation is firmer.

When the waveform protection plate receives the impact, the convex end of the solid elastic plate and the buffer spring can absorb part of impact force, so that the impact resistance of the whole waveform protection rail is enhanced, and meanwhile, the anti-blocking block and the adjacent waveform protection plate are protected.

Embodiment two: as shown in fig. 3, the elastic plate 5 is a horizontal plate, two ends of the elastic plate are fixed on the base plate 4 by using fasteners, a hollow elastic boss 11 is arranged at a position of the elastic plate 5 corresponding to the bulge of the waveform protection plate 2, a second buffer spring 12 is arranged in the elastic boss 11, and the second buffer spring 12 is used for absorbing the impact force received by the waveform protection plate 2.

The elastic plate 5 is provided with a second through hole at the center of the second buffer spring 12 and at the middle of the concave corresponding to the waveform protection plate 2, the second through hole penetrates through the base plate 4, and the base plate 4, the elastic plate 5 and the waveform protection plate 2 are connected by using a second fastening bolt 13 and a second fastening nut 14 to fix the base plate 4, the elastic plate 5 and the waveform protection plate 2.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. A wave form guardrail, characterized in that: comprises an upright post (1), a plurality of waveform protection plates (2) and a connecting piece (3); the head and the tail of the waveform protection plate (2) are fixed on the connecting piece (3), and the connecting piece (3) is fixed on the upright post (1);

the connecting piece (3) comprises a base plate (4), wherein the base plate (4) is a horizontal plate; elastic plates (5) are arranged on two sides of the base plate (4); and a mounting hole (6) is formed in the middle of the base plate (4).

2. The wave guard rail of claim 1, wherein: the elastic plate (5) is in a shape with convex two ends and concave middle; the upper end and the lower end of the elastic plate (5) are provided with horizontal installation surfaces, and the elastic plate is fixed on the base plate (4) through a fastener; the middle part of the elastic plate (5) concave is provided with a through hole, the through hole penetrates through the base plate (4), and the base plate (4), the elastic plate (5) and the waveform protection plate (2) are connected through the fastening bolt (7) and the fastening nut (8).

3. The wave guard rail of claim 2, wherein: and a buffer spring (9) is sleeved on the fastening bolt (7) of the elastic plate (5) and the waveform protection plate (2).

4. A wave guard rail according to claim 3, characterized in that: the thickness of the buffer spring (9) is lower than 10mm.

5. The wave guard rail of claim 2, wherein: the two ends of the elastic plate (5) are protruded to be of a solid structure; screw thread counter bores (10) are arranged on the inclined planes of the protrusions at the two ends of the elastic plate (5) and the protruding end heads.

6. The wave guard rail of claim 1, wherein: the elastic plate (5) is a horizontal plate, two ends of the elastic plate are fixed on the base plate (4) through fasteners, the elastic plate (5) is provided with a hollow elastic boss (11) corresponding to the protruding position of the waveform protection plate (2), and a second buffer spring (12) is arranged inside the elastic boss (11).

7. The wave guard rail of claim 6, wherein: the elastic plate (5) is provided with a second through hole at the center of the second buffer spring (12) and the middle position corresponding to the concave of the waveform protection plate (2), the second through hole penetrates through the substrate (4), and the substrate (4), the elastic plate (5) and the waveform protection plate (2) are connected through a second fastening bolt (13) and a second fastening nut (14).