Bridge crash barrier

Abstract

The utility model provides a bridge crash barrier which comprises a stand column, an elbow is fixedly connected to the upper end of the stand column, a penetrating opening is formed in one side face of the elbow, an upper guardrail which is horizontally arranged is inserted into the penetrating opening, a plurality of pipe sleeves which are arranged up and down are arranged on the lower side of the elbow, and the pipe sleeves are connected with the stand column through connecting pieces. A horizontally-arranged lower guardrail is inserted into the pipe sleeve, first bull eyeballs are annularly installed in the middle of the outer surface of the lower guardrail at equal intervals, ball parts of the first bull eyeballs make rolling contact with the inner wall of the pipe sleeve, limiting rings are installed at the two ends in the pipe sleeve, and the lower guardrail is sleeved with the limiting rings. Rings are arranged on the two sides, in the length direction of the lower guardrail body, of the first bull eyeball, and a plurality of second bull eyeballs are annularly installed on the faces, facing the limiting rings, of the rings at equal intervals.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bridge crash barrier belongs to bridge facilities field. BACKGROUND

[0002] Bridge crash barrier is the important facility of ensuring bridge safety, is mainly used for preventing vehicle accidental out of bridge deck, mitigates the accident consequence. Bridge crash barrier includes a plurality of columns, and a plurality of horizontally arranged guardrails are installed between adjacent columns from top to bottom, the relative position of guardrail and column keeps fixed, personnel easily climbs on the guardrail at will by stepping the lower layer guardrail, and easily induces the safety accident, so a bridge crash barrier preventing personnel from climbing upward along the crash barrier at will needs to be designed. SUMMARY

[0003] In view of the deficiency of prior art, the utility model aims at providing a bridge crash barrier to solve the problems in the background art, and the utility model prevents personnel from climbing upward along the crash barrier at will.

[0004] In order to realize the above-mentioned purpose, the utility model is through the following technical scheme to realize: a bridge crash barrier, including column, the upper end of column is connected with the fixed elbow, the side of elbow is provided with the pass-through, the pass-through is inserted with the horizontally arranged upper guardrail, the lower side of elbow is equipped with a plurality of upper and lower arranged pipe sleeve, the pipe sleeve is connected with column through connecting piece, the pipe sleeve is inserted with the horizontally arranged lower guardrail, the outer surface middle position of lower guardrail is annularly equidistantly installed with first cow eye, the ball part of first cow eye is in rolling contact with the inner wall of pipe sleeve, the both ends in pipe sleeve are all installed with the limiting ring, the limiting ring is sleeved on lower guardrail, the both sides of first cow eye along the length direction of lower guardrail are all equipped with the ring, one side of ring is annularly equidistantly installed with a plurality of second cow eyes, the ball part of second cow eye is in fixed contact with limiting ring, one end of lower guardrail is connected with the fixed plug-in sleeve, one end of one lower guardrail is inserted in the plug-in sleeve of another lower guardrail.

[0005] Further, the connecting piece includes rectangular pipe, one side of column from top to bottom equidistantly provided with a plurality of rectangular ports, the rectangular port is inserted with rectangular pipe, one end of rectangular pipe is connected with pipe sleeve fixedly, the lower position of one side of rectangular port away from pipe sleeve is equipped with the locating plate, the locating plate is connected with column fixedly, the lower surface of locating plate is provided with the screw hole, the screw hole is connected with the positioning screw for limiting the relative position of locating plate and rectangular pipe with screw thread.

[0006] Further, one side of rectangular pipe away from locating plate is uniformly provided with a plurality of blind holes, one end of positioning screw extends into blind hole.

[0007] Further, the outer surface of the sleeve away from one side of the rectangular tube is provided with a baffle, which is arranged vertically.

[0008] Further, a plurality of strip-shaped openings are formed in one side of the baffle, and the strip-shaped openings are arranged equidistantly from top to bottom.

[0009] Further, the lower end of the stand is fixedly connected with a base, four corner portions of the upper surface of the base are provided with footing holes, and the stand and the elbow are integrally formed.

[0010] The bridge anti-collision fence has the advantages that:

[0011] 1. When installing the stand, the outer end of the upper end of the stand is bent towards the center of the bridge, then the position of the rectangular tube is adjusted along the rectangular opening, and the lower guardrail is moved towards the stand, so that the upper guardrail and the plurality of lower guardrails form an inclined structure, thereby avoiding that a person climbs upwards by randomly stepping on the lower guardrail.

[0012] 2. The ball portion of the first cow eye is in rolling contact with the inner wall of the sleeve, and then the ball portion of the second cow eye is in rolling contact with the limiting ring, so that the frictional resistance between the lower guardrail and the sleeve is reduced, the lower guardrail rotates when a person steps on the lower guardrail, the lower guardrail cannot provide a support point for the person, the difficulty of the person climbing upwards by means of the lower guardrail is increased, and the person climbing upwards along the anti-collision fence is prevented.

[0013] 3. The ring, the second cow eye and the limiting ring cooperate with each other to limit the relative position of the lower guardrail and the sleeve.

[0014] 4. The baffle is arranged vertically on the outer surface of the sleeve, and then the person is prevented from climbing upwards by means of the sleeve under the blocking of the baffle. BRIEF DESCRIPTION OF DRAWINGS

[0015] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, read in conjunction with the accompanying drawings:

[0016] Figure 1 FIG. 1 is a structural schematic view of a bridge anti-collision fence according to the present application;

[0017] Figure 2 FIG. 2 is another perspective view of the bridge anti-collision fence according to the present application;

[0018] Figure 3 FIG. 3 is an assembly schematic view of a ring, a first cow eye, a second cow eye and a lower guardrail in the bridge anti-collision fence according to the present application;

[0019] Figure 4 FIG. 4 is an assembly schematic view of a rectangular tube, a positioning plate, a tube and a stand in the bridge anti-collision fence according to the present application.

[0020] In the figure: 1 - post, 2 - elbow, 3 - upper guardrail, 4 - baffle, 5 - lower guardrail, 6 - rectangular mouth, 7 - limiting ring, 8 - base, 9 - plug-in sleeve, 10 - rectangular tube, 11 - positioning plate, 12 - positioning screw, 13 - anchor hole, 14 - first bullseye, 15 - second bullseye, 16 - ring, 17 - threaded hole, 18 - through hole, 19 - sleeve. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] Please refer to Figure 1 and Figure 2 The utility model provides a kind of bridge crash barrier, including stand 1, the lower end of stand 1 is connected with the fixed base 8, anchor hole 13 is set in the upper surface of base 8 four corners, base 8 is installed in bridge edge portion using anchor hole 13, the position of stand 1 is limited.

[0023] Please refer to 1- Figure 4 The upper end of stand 1 is connected with the fixed elbow 2, stand 1 and elbow 2 are integrally formed structure, through hole 18 set in one side of elbow 2 is inserted with horizontally arranged upper guardrail 3, elbow 2 lower side is equipped with multiple up-and-down arranged sleeves 19, the side of stand 1 facing sleeve 19 is set with multiple rectangular mouths from top to bottom equidistantly, rectangular tube 10 is inserted in rectangular mouth, one end of rectangular tube 10 is connected with sleeve 19 fixedly, the lower part position of the side of rectangular mouth deviating from sleeve 19 is equipped with positioning plate 11, positioning plate 11 is connected with stand 1 fixedly, threaded hole 17 is set in the lower surface of positioning plate 11, positioning screw 12 for limiting the relative position of positioning plate 11 and rectangular tube 10 is threadedly connected in threaded hole 17, the side of rectangular tube 10 facing positioning plate 11 is uniformly set with multiple blind holes, so that one end of positioning screw 12 extends into blind hole, the stability of positioning screw 12 limiting the position of rectangular tube 10 is improved, when installing stand 1, the outer head of the upper end of stand 1 is curved towards bridge center, then the position of rectangular tube 10 is adjusted along rectangular mouth, lower guardrail 5 is close to stand 1 direction, at this time, upper guardrail 3 and multiple lower guardrails 5 form the structure of inclination, so as to avoid that personnel climbs upwards by stepping on lower guardrail 5 at will.

[0024] Please refer to Figures 1-4The lower guardrail 5 is horizontally arranged in the pipe sleeve 19, and a first cow eye 14 is annularly and equidistantly arranged in the middle of the outer surface of the lower guardrail 5, the rolling ball part of the first cow eye 14 is in rolling contact with the inner wall of the pipe sleeve 19, a limiting ring 7 is arranged at each end of the pipe sleeve 19, the limiting ring 7 is sleeved on the lower guardrail 5, a ring 16 is arranged on each side of the lower guardrail 5 along the length direction of the lower guardrail 5, a plurality of second cow eyes 15 are annularly and equidistantly arranged on the side of the ring 16 facing the limiting ring 7, the rolling ball part of the second cow eye 15 is in fixed contact with the limiting ring 7, the ring 16, the second cow eye 15 and the limiting ring 7 cooperate with each other to limit the relative position between the lower guardrail 5 and the pipe sleeve 19, the lower guardrail 5 is connected and fixed with a plug-in sleeve 9, one end of one lower guardrail 5 is inserted into the plug-in sleeve 9 of another lower guardrail 5, the plug-in of the adjacent two lower guardrails 5 is completed, the rolling ball part of the first cow eye 14 on the lower guardrail 5 is in rolling contact with the inner wall of the pipe sleeve 19, and then the rolling ball part of the second cow eye 15 is in rolling contact with the limiting ring 7, so that the frictional resistance between the lower guardrail 5 and the pipe sleeve 19 is reduced, when the personnel steps on the lower guardrail 5, the lower guardrail 5 will rotate, so that the lower guardrail 5 cannot provide a support point for the personnel, the difficulty of the personnel climbing upward by means of the lower guardrail 5 is improved, and the personnel climbing upward along the anti-collision fence is prevented.

[0025] Referring to Figure 1 、 Figure 2 and Figure 4 , the baffle 4 is vertically arranged on the outer surface of the pipe sleeve 19 away from the rectangular pipe 10, a plurality of strip-shaped openings 6 are formed in one side of the baffle 4, the plurality of strip-shaped openings 6 are equidistantly arranged from top to bottom, the design of the strip-shaped opening 6 reduces the production material quantity of the baffle 4, the vertically arranged baffle 4 is arranged on the outer surface of the pipe sleeve 19, and then under the blocking of the baffle 4, the personnel climbing upward by means of the pipe sleeve 19 is prevented.

[0026] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A bridge crash barrier comprising upright posts (1), characterised in that: The upper end of the column (1) is connected and fixed with an elbow (2), one side of the elbow (2) is provided with a through hole (18), the through hole (18) is inserted with an upper guardrail (3) arranged horizontally, the lower side of the elbow (2) is provided with a plurality of pipe sleeves (19) arranged vertically, the pipe sleeve (19) is connected with the column (1) through a connecting piece, the pipe sleeve (19) is inserted with a lower guardrail (5) arranged horizontally, the outer surface of the lower guardrail (5) is provided with a first cow eye (14) at the middle position, the ball part of the first cow eye (14) is in rolling contact with the inner wall of the pipe sleeve (19), the pipe sleeve (19) is provided with a limiting ring (7) at both ends, the limiting ring (7) is sleeved on the lower guardrail (5), the first cow eye (14) is provided with a ring (16) on both sides along the length direction of the lower guardrail (5), a plurality of second cow eyes (15) are arranged on one side of the ring (16) facing the limiting ring (7), the ball part of the second cow eye (15) is in fixed contact with the limiting ring (7), one end of the lower guardrail (5) is connected and fixed with a plug-in sleeve (9), one end of one lower guardrail (5) is inserted into the plug-in sleeve (9) of another lower guardrail (5).

2. A bridge crash barrier according to claim 1, wherein: The connecting piece comprises a rectangular tube (10), a plurality of rectangular openings are provided on one side of the column (1) facing the pipe sleeve (19) at equal intervals from top to bottom, the rectangular tube (10) is inserted into the rectangular opening, one end of the rectangular tube (10) is connected and fixed with the pipe sleeve (19), the lower part of one side of the rectangular opening away from the pipe sleeve (19) is provided with a positioning plate (11), the positioning plate (11) is connected and fixed with the column (1), the lower surface of the positioning plate (11) is provided with a threaded hole (17), the threaded hole (17) is screwed with a positioning screw (12) for limiting the relative position of the positioning plate (11) and the rectangular tube (10).

3. A bridge crash barrier according to claim 2, wherein: A plurality of blind holes are uniformly provided on one side of the rectangular tube (10) facing the positioning plate (11), one end of the positioning screw (12) extends into the blind hole.

4. A bridge crash barrier according to claim 2, wherein: The outer surface of the pipe sleeve (19) away from the rectangular tube (10) is provided with a baffle (4), the baffle (4) is arranged vertically.

5. A bridge crash barrier according to claim 4, wherein: A plurality of strip-shaped openings (6) are provided on one side of the baffle (4) at equal intervals from top to bottom.

6. A bridge crash barrier according to claim 1, wherein: The lower end of the column (1) is connected and fixed with a base (8), the upper surface of the base (8) is provided with a footing hole (13) at each corner, the column (1) and the elbow (2) are an integral structure.

Images