Municipal road protective fence

Abstract

The utility model relates to the technical field of protective fences, in particular to a municipal road protective fence. The device comprises a supporting stand column and a guardrail, a plurality of pairs of U-shaped mounting frames and a plurality of pairs of U-shaped fixing frames are arranged on the supporting stand column in a sliding mode, fixing columns are connected to the U-shaped mounting frames in a threaded mode, fixing columns b are arranged on the U-shaped fixing frames in a sliding mode, fixing cylinders are connected to the bottoms of the fixing columns b in a threaded mode, springs a are arranged on the U-shaped fixing frames, and the springs a and the fixing columns b are coaxial; and the two guardrails are detachably and rotatably arranged on the U-shaped mounting frame and are in sliding contact with the multiple fixing cylinders correspondingly. According to the utility model, the displacement amplitude and the damage degree of the connected supporting upright post can be reduced by timely breaking the fixed cylinder which is in threaded connection with the bottom of the fixed column b when collision occurs.

Description

Technical Field

[0001] The utility model relates to the technical field of guardrails, in particular to a municipal road guardrail. Background Art

[0002] The municipal road guardrail is also called the urban traffic galvanized sprayed steel guardrail. It is beautiful and novel, easy to install, safe and reliable, and has a preferential price. It is suitable for the isolation of urban traffic arteries, the green isolation belts in the middle of expressways, bridges, secondary highways, rural roads, and toll gates of each highway. Among them, the municipal road green isolation guardrail is one of them.

[0003] Chinese Patent Publication No. CN218492383U discloses a municipal road guardrail. The advantages of this technical solution are as follows: through the cooperation of the U-shaped fixing seat, the fixing spring, the moving plate, the fixing insertion rod, the U-shaped mounting seat, the horizontal guardrail, the vertical guardrail, and the fixing insertion hole, the structure of the guardrail is no longer an integral structure. When an accident occurs and it is necessary to carry the wounded to the ambulance, the fixing insertion rod can be separated from the fixing insertion hole, and then the horizontal guardrail and the vertical guardrail can be rotated, so that when it is necessary to carry the wounded to the ambulance, the guardrail structure can be opened to provide a temporary passage, which is convenient for the work of carrying the wounded.

[0004] However, the above technical solution has the following deficiencies: when a car accident occurs, some car owners will choose to hit the guardrail to avoid casualties. After the horizontal guardrail is fixed by the fixing insertion rod, the impact of the vehicle can be reduced by the movement of multiple support seats, but the support seats that suddenly move onto the lane are likely to cause car accidents to passing vehicles, thus causing secondary accidents. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the problems in the background art and propose a municipal road guardrail that can reduce the displacement amplitude and damage degree of the connected support columns in time by the fracture of the fixing cylinder threadedly connected to the bottom of the fixing column b when a collision occurs.

[0006] The technical solution of the utility model, a municipal road guardrail, includes: support columns, on which multiple pairs of U-shaped mounting frames and multiple pairs of U-shaped fixing frames are slidably arranged. A fixing column is threadedly connected to the U-shaped mounting frame. A fixing column b is slidably arranged on the U-shaped fixing frame. A fixing cylinder is threadedly connected to the bottom of the fixing column b. A spring a is arranged on the U-shaped fixing frame, and the spring a and the fixing column b are coaxial; guardrails, two of which are detachably and rotatably arranged on multiple U-shaped mounting frames, and the two guardrails are respectively in sliding contact with multiple fixing cylinders.

[0007] Preferably, the fixing column b includes a sliding column part slidably arranged on the U-shaped fixing frame, and a driving block part and a limiting column part respectively arranged at the upper and lower ends of the sliding column part. The bottom of the limiting column part is threadedly connected to the fixing cylinder.

[0008] Preferably, a spring b is arranged between each pair of U-shaped mounting frames.

[0009] Preferably, two pairs of protection components are arranged on the support column. The protection component includes a plurality of support columns slidably arranged on the support column, a spring c abutted against the bottom of each of the plurality of support columns, and a protection plate rotatably connected to the plurality of support columns. One end of the spring c away from the support column abuts against the support column.

[0010] Preferably, a buffer pad is arranged between the protection plate and the support column.

[0011] Preferably, a plurality of mounting grooves for reducing the center of gravity are arranged at the top of the support column, and a shielding cover is detachably arranged at the plurality of mounting grooves.

[0012] Compared with the prior art, the utility model has the following beneficial technical effects:

[0013] When the utility model is in use, a worker installs one end of the guardrail on the U-shaped mounting frame, and then pulls the fixing column b on the U-shaped fixing frame. When the other end of the guardrail rotates to the U-shaped fixing frame, when the vehicle collides with the guardrail, under the huge impact force, the fixing cylinder will break, so as to prevent more support columns from being brought onto the road, thereby reducing the probability that passing vehicles collide with the guardrail brought onto the road. The protection plate can reduce the probability of pedestrians being injured when a small-force collision occurs between pedestrians and the guardrail. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of an embodiment of the utility model;

[0015] Figure 2 is a cross-sectional view of an embodiment of the utility model;

[0016] Figure 3 is a schematic structural diagram of the U-shaped fixing frame and the fixing column in an embodiment of the utility model.

[0017] Reference numerals: 1, support column; 101, mounting groove; 2, protection plate; 3, U-shaped mounting frame; 4, guardrail; 5, shielding cover; 6, U-shaped fixing frame; 7, fixing column b; 71, driving block part; 72, sliding column part; 73, limiting column part; 8, fixing cylinder; 9, spring a; 10, spring b; 11, support column; 12, spring c; 13, buffer pad. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Embodiment 1

[0019] As Figures 1 - 3 shown, a kind of municipal road guardrail proposed in this embodiment includes support columns 1 and guardrails 4. A plurality of pairs of U-shaped mounting brackets 3 and a plurality of pairs of U-shaped fixing brackets 6 are slidably arranged on the support columns 1. A fixing column is threadedly connected to the U-shaped mounting bracket 3. A fixing column b 7 is slidably arranged on the U-shaped fixing bracket 6. A fixing cylinder 8 is threadedly connected to the bottom of the fixing column b 7. A spring a 9 is arranged on the U-shaped fixing bracket 6, and the spring a 9 and the fixing column b 7 are coaxial. Two guardrails 4 are detachably and rotatably arranged on a plurality of U-shaped mounting brackets 3. The two guardrails 4 are respectively in sliding contact with a plurality of fixing cylinders 8. When two adjacent guardrails 4 collide, one guardrail 4 can support the collided guardrail 4, reducing the probability of a vehicle passing through the guardrail 4 into the oncoming lane.

[0020] A spring b 10 is arranged between each pair of U-shaped mounting brackets 3. When a vehicle or a pedestrian hits the guardrail 4, the guardrail 4 on the U-shaped mounting bracket 3 will move towards another adjacent guardrail 4, absorbing the force generated by the impact and reducing the loss of the guardrail. A plurality of mounting grooves 101 for lowering the center of gravity are arranged at the top of the support column 1. A shielding cover 5 is detachably arranged at a plurality of mounting grooves 101. The plurality of mounting grooves 101 can reduce the weight of the upper half of the support column 1, making the center of gravity of the support column 1 close to the ground, thereby improving the stability of the support column 1.

[0021] When this embodiment is in use, the worker installs one end of the guardrail 4 on the U-shaped mounting bracket 3, then pulls the fixing column b 7 on the U-shaped fixing bracket 6. When the other end of the guardrail 4 rotates to the U-shaped fixing bracket 6, releases the fixing column b 7, and the fixing cylinder 8 is in sliding contact with the guardrail 4. When a vehicle collides with the guardrail 4, under the huge impact force, the fixing cylinder 8 will break, thus preventing more support columns 1 from being brought onto the road, thereby reducing the probability of passing vehicles colliding with the guardrail 4 brought onto the road.

[0022] Embodiment Two

[0023] As Figure 1 and Figure 3 shown, a kind of municipal road guardrail proposed in this embodiment, compared with Embodiment One, in this embodiment, the fixing column b 7 includes a sliding column part 72 slidably arranged on the U-shaped fixing bracket 6, and a driving block part 71 and a limiting column part 73 respectively arranged at the upper and lower ends of the sliding column part 72. The bottom of the limiting column part 73 is threadedly connected to the fixing cylinder 8.

[0024] In this embodiment, when fixing the guardrail 4, the worker drives the fixing post b7 to rise by pulling the driving block part 71 until the fixing cylinder 8 moves to a position where it will not interfere with the installation of the guardrail 4, and then releases the driving block part 71. The spring a9 is coaxial with the sliding post part 72, and the spring a9 will push the limiting post part 73 to descend, so that when the guardrail is not collided with a huge force, the fixing post b7 can stably fix the guardrail 4 on the support post 1.

[0025] Embodiment Three

[0026] As Figure 1 and Figure 2 shown, a kind of municipal road guardrail proposed in this embodiment, compared with Embodiment One, in this embodiment, two pairs of protection components are arranged on the support post 1. The protection components include a plurality of support posts 11 slidably arranged on the support post 1, a spring c12 abutted against the bottom of each of the plurality of support posts 11, and a protection plate 2 rotatably connected to the plurality of support posts 11. One end of the spring c12 away from the support post 1 abuts against the support post 1. A buffer pad 13 is arranged between the protection plate 2 and the support post 1.

[0027] In this embodiment, when the guardrail is located by the roadside, when a cyclist or a driver hits the protection plate 2 on the support post 1, if hitting the two side edges of the protection plate 2, the protection plate 2 will tilt and conduct the force applied to the protection plate 2 to the buffer pad 13 to reduce the injuries suffered by the support post 1 and pedestrians. If hitting the middle part of the protection plate 2, the force applied to the protection plate 2 will push the support post 1 to compress the spring c12 to reduce the impact received by the support post 1, so as to reduce the probability of pedestrians being injured when there is a minor collision between pedestrians and the guardrail.

[0028] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to this. Within the scope of knowledge possessed by those skilled in the art to which the present invention pertains, various changes can be made without departing from the purpose of the present invention.

Claims

1. A municipal road guardrail, characterized in that: include: A support column (1) is provided with a plurality of pairs of U-shaped mounting frames (3) and a plurality of pairs of U-shaped fixing frames (6) slidably disposed thereon, a fixing column being threadedly connected to the U-shaped mounting frame (3), a fixing column b (7) being slidably disposed on the U-shaped fixing frame (6), a fixing cylinder (8) being threadedly connected to the bottom of the fixing column b (7), a spring a (9) being disposed on the U-shaped fixing frame (6), and the spring a (9) and the fixing column b (7) being coaxial; The guardrails (4) are detachably and rotatably arranged on the plurality of U-shaped mounting frames (3), and the two guardrails (4) are in sliding contact with the plurality of fixing cylinders (8) respectively.

2. A municipal road guardrail according to claim 1, characterized in that: The fixed column b (7) comprises a sliding column portion (72) slidably arranged on the U-shaped fixed frame (6), and a driving block portion (71) and a limiting column portion (73) respectively arranged at the upper and lower ends of the sliding column portion (72); the bottom of the limiting column portion (73) is threadedly connected to the fixed cylinder (8).

3. A municipal road guardrail according to claim 1, characterized in that: A spring b (10) is arranged between each pair of U-shaped mounting frames (3).

4. The municipal road guardrail according to claim 1, characterized in that: Two pairs of protection components are arranged on the support column (1), and the protection components include a plurality of support columns (11) slidably arranged on the support column (1), a spring c (12) abutting against each bottom of the plurality of support columns (11), and a protection plate (2) rotatably connected to the plurality of support columns (11), wherein one end of the spring c (12) away from the support column (11) abuts against the support column (1).

5. A municipal road guardrail according to claim 4, characterized in that: A buffer pad (13) is provided between the protective plate (2) and the supporting column (1).

6. The municipal road guardrail according to claim 1, characterized in that: A plurality of installation grooves (101) for lowering the center of gravity are arranged on the top of the support column (1), and a shielding cover (5) is detachably arranged at the plurality of installation grooves (101).

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