Opening type guardrail of central isolation belt

Abstract

The utility model discloses an opening type guardrail of a central isolation belt, which belongs to the field of guardrails of central isolation belts, and comprises an opening section and a buffer section, the opening section comprises two opening guardrails, the two opening guardrails are V-shaped, and the buffer section is arranged on the opening section. Support columns I are uniformly and fixedly mounted at the bottom ends of the two open guardrails; the buffer section comprises two first buffer fences, the positions of the two first buffer fences are mutually symmetrical, second buffer fences are arranged on the outer sides of the two first buffer fences, and third buffer fences are arranged on the inner sides of the two second buffer fences; h-shaped supporting frames are fixedly installed on the sides, close to each other, of every two first buffering fences, every two second buffering fences and every two third buffering fences, and second supporting columns are fixedly installed at the bottom ends of the portions, between the third buffering fences, of the H-shaped supporting frames. Therefore, the safety of the vehicle to a driver during collision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to central reservation fence field, more specifically, relate to a kind of open type fence of central reservation. BACKGROUND

[0002] Central reservation on highway, also called middle strip, central separation strip or green belt, etc., is a kind of facility for separating opposite traffic flow in bidirectional multilane highway. It has important effect for improving the safety and traffic efficiency of road, and the open type fence of central reservation is also used for road green belt, vehicle safety isolation and vehicle flow distribution, etc.

[0003] Based on the above, the present inventor found that: the existing central reservation is mostly single fence, since the fence is fixedly connected with ground by ground pile, so it cannot effectively play the role of buffering when vehicle hits, therefore, in view of the above, the existing structure is researched and improved, to provide an open type fence of central reservation, to achieve the purpose of more practical value. SUMMARY

[0004] 1. Technical problem to be solved

[0005] In view of the problems in the prior art, the purpose of the utility model is to provide an open type fence of central reservation, which can buffer the impact of vehicle through multiple fences and buffer structure, thereby increasing the safety of driver when vehicle collides.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] An open type fence of central reservation, comprising opening section and buffer section, the opening section comprises opening fence, the number of opening fence is two, and two opening fences are in "V" shape, and the bottom end of two opening fences is uniformly fixedly installed with support one;

[0009] The buffer section comprises two buffer bars one, the positions of the two buffer bars one are symmetrical to each other, the outer sides of the two buffer bars one are provided with buffer bars two, and the inner sides of the two buffer bars two are provided with buffer bars three, the side close to each other of every two buffer bars one, buffer bars two and buffer bars three is fixedly installed with an H-shaped support frame, the bottom end of the H-shaped support frame between the buffer bars three is fixedly installed with a support column two, the two ends of the inner side of each buffer bar one and buffer bar three are provided with stroke grooves, and the two ends of the inner side of each buffer bar two are fixedly installed with a pair of T-shaped limiting blocks, one end of the two pairs of T-shaped limiting blocks penetrates the buffer bar one and buffer bar three through the stroke grooves, and the limiting end of one end of the two pairs of T-shaped limiting blocks is attached to the outer wall of the buffer bar one and buffer bar three, respectively, the top end of the cross arm of the H-shaped support frame between the two buffer bars one is fixedly installed with an arc spring plate, one end of the two arc spring plates is fixedly connected to the top end of the cross arm of the H-shaped support frame between the two buffer bars two and the bottom end of the cross arm of the H-shaped support frame between the two buffer bars three, one end of the two buffer bars one is fixedly installed with an end protection plate, and one end of the two buffer bars three of the buffer section is fixedly connected to one end of the two opening guard bars of the opening section through bolts.

[0010] Further, the two ends of the two buffer bars two are wrapped to the outer sides of one end of the two buffer bars one and one end of the two buffer bars three, and the outer sides of one end of the buffer bar one and the buffer bar three are attached to the inner sides of the buffer bar two.

[0011] Further, two telescopic rods are fixedly installed between the cross arms of the three H-shaped support frames, fixed blocks are fixedly installed on the outer walls of the two telescopic rods, and buffer springs are fixedly installed on one side of the fixed blocks.

[0012] Further, the buffer spring is sleeved to the outer side of the telescopic end of the telescopic rod, and one end of the buffer spring is fixedly connected to the outer wall of the cross arm of the H-shaped support frame.

[0013] Further, the end protection plate is wrapped to one end of the two buffer bars one, and anti-collision barrels are uniformly placed and installed below each pair of buffer bars one, buffer bars two and buffer bars three.

[0014] 3. Beneficial effects

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] (1) The scheme, by setting the buffer fence two, arc spring plate, telescopic rod and buffer spring, after the device is put into use, when the vehicle hits the front end or the outer wall of the buffer section, the buffer fence one and the buffer fence two will produce displacement one by one, at the same time, the T-shaped limiting block moves in the inside of the stroke groove, so that the displacement position of the buffer fence two is kept, at the same time of the impact force, the buffer fence two drives the H-shaped support frame to move, and the arc spring plate buffers the impact force, at the same time, the telescopic rod stretches or shrinks with the position of the H-shaped support frame, and the buffer spring assists the buffering of the impact force, through the device, the buffering property of the vehicle when hitting can be effectively improved.

[0017] (2) The scheme, by setting the end guard plate and the anti-collision barrel, when the vehicle hits the buffer section, the end guard plate protects the front end of the buffer fence one, avoids the vehicle to hit the front end of the buffer fence one to cause the straight insertion type impact force, and the anti-collision barrel can effectively assist to reduce the impact force of the vehicle, through the structure, the buffering property of the device to the impact force can be further improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure three-dimensional schematic view of the utility model;

[0019] Figure 2 It is the buffer section structure three-dimensional schematic view of the utility model;

[0020] Figure 3 It is the buffer section internal structure three-dimensional schematic view of the utility model;

[0021] Figure 4 It is the local structure three-dimensional split schematic view of the utility model.

[0022] Mark explanation in drawing:

[0023] 1, opening section; 110, opening guardrail; 111, support column one;

[0024] 2, buffer section; 210, buffer fence one; 211, buffer fence two; 212, buffer fence three; 213, H-shaped support frame; 214, support column two; 215, stroke groove; 216, T-shaped limiting block; 217, arc spring plate; 218, telescopic rod; 219, fixed block; 220, buffer spring; 221, end guard plate; 222, anti-collision barrel. DETAILED DESCRIPTION

[0025] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments, and based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Embodiments:

[0027] Please refer to Figures 1-4 An opening type guardrail of a central isolation belt, comprising an opening section 1 and a buffer section 2, the opening section 1 comprises an opening guardrail 110, the number of the opening guardrail 110 is two, and the two opening guardrails 110 are in the shape of "V", and the bottom ends of the two opening guardrails 110 are uniformly fixedly installed with a support column 111;

[0028] The buffer section 2 comprises a buffer rail 210, the number of the buffer rail 210 is two, the positions of the two buffer rails 210 are symmetrical to each other, the outer sides of the two buffer rails 210 are provided with a buffer rail 211, and the inner sides of the two buffer rails 211 are provided with a buffer rail 212, and the sides close to each other of every two buffer rails 210, buffer rails 211 and buffer rails 212 are fixedly installed with an H-shaped support frame 213, the bottom end of the H-shaped support frame 213 between the buffer rails 212 is fixedly installed with a support column 214, and the two ends of the inner sides of each buffer rail 210 and buffer rail 212 are provided with a stroke slot 215, and the two ends of the inner sides of each buffer rail 211 are fixedly installed with a pair of T-shaped limiting blocks 216, and one end of the two pairs of T-shaped limiting blocks 216 penetrates the buffer rail 210 and the buffer rail 212 through the stroke slot 215, and the limiting ends of one end of the two pairs of T-shaped limiting blocks 216 are in close contact with the outer walls of the buffer rail 210 and the buffer rail 212, respectively, and the top end of the cross arm of the H-shaped support frame 213 between the two buffer rails 210 and the bottom end of the cross arm of the H-shaped support frame 213 between the two buffer rails 211 are fixedly installed with an arc spring plate 217, one end of the two arc spring plates 217 is fixedly connected with the top end of the cross arm of the H-shaped support frame 213 between the two buffer rails 211 and the bottom end of the cross arm of the H-shaped support frame 213 between the two buffer rails 212, respectively, one end of the two buffer rails 210 is fixedly installed with an end guard plate 221, and one end of the two buffer rails 212 of the buffer section 2 is fixedly connected with one end of the two opening guardrails 110 of the opening section 1 through bolts, when a vehicle collides, the buffer rail 211 can be displaced, at the same time, the arc spring plate 217 on the H-shaped support frame 213 can reduce the hardness of the vehicle colliding on the buffer section 2, and can effectively buffer the impact force, and the device can effectively improve the safety of the driver when the vehicle collides.

[0029] Referring to Figure 3 , 4 , two ends of the two buffer fences two 211 are wrapped to the outer sides of one end of the two buffer fences one 210 and one end of the two buffer fences three 212, and the outer sides of one end of the buffer fence one 210 and the buffer fence three 212 and the inner side of the buffer fence two 211 are mutually attached, the positions among the buffer fence one 210, the buffer fence two 211 and the buffer fence three 212 are set, so that when the vehicle hits the buffer section 2, the buffer fence two 211 can fully move, thereby realizing the work of buffering.

[0030] Referring to Figure 2 , Figure 3 , the two telescopic rods 218 are fixedly installed between the cross arms of the three H-shaped support frames 213, the outer walls of the two telescopic rods 218 are fixedly installed with the fixed blocks 219, and the fixed blocks 219 are fixedly installed with the buffer springs 220 on one side; the buffer spring 220 is sleeved to the outer side of the telescopic end of the telescopic rod 218, and one end of the buffer spring 220 is fixedly connected with the outer wall of the cross arm of the H-shaped support frame 213; when the vehicle hits the buffer section 2, the buffer fence two 211 is displaced, and the H-shaped support frame 213 between the two thereof pulls or pushes the telescopic rod 218; in the process of extrusion of the telescopic rod 218, the buffer spring 220 on the outer side of the telescopic end can assist in buffering the impact force brought by the vehicle, and the elasticity of the buffer spring 220 can assist in improving the toughness of the arc spring plate 217.

[0031] Referring to Figure 1 , Figure 2 , the end guards 221 are wrapped to one end of the two buffer fences one 210, and the anti-collision barrels 222 are uniformly placed and installed below each pair of the buffer fence one 210, the buffer fence two 211 and the buffer fence three 212; the end guards 221 support the buffer section 2, and also protect the opening between the two buffer fences one 210, and the anti-collision barrels 222 can effectively improve the buffering performance of the buffer section 2.

[0032] In use: when the vehicle hits the end guard 221 or the outer wall at the front end of the buffer section 2, the buffer fence one 210 and the buffer fence two 211 will be displaced, and the T-shaped limiting block 216 will move inside the stroke groove 215, so that the displacement position of the buffer fence one 210 and the buffer fence two 211 is maintained; at the same time, the buffer fence one 210 and the buffer fence two 211 will drive the H-shaped support frame 213 to move, and the arc spring plate 217 will buffer the impact force, at the same time, the telescopic rod 218 will stretch or contract with the position of the H-shaped support frame 213, and the buffer spring 220 will assist in buffering the impact force.

[0033] The above merely describes a preferred embodiment of the present application; the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and improvement concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the scope of protection of the present application.

Claims

1. A central reservation barrier of the breakaway type comprising a breakaway section (1) and a buffer section (2), characterised in that: The opening section (1) comprises two opening fences (110), and the two opening fences (110) are in the shape of "V", and the bottom ends of the two opening fences (110) are uniformly and fixedly installed with a support (111); The buffer section (2) comprises two buffer fences (210), the positions of the two buffer fences (210) are symmetrical to each other, the outer sides of the two buffer fences (210) are provided with buffer fences (211), the inner sides of the two buffer fences (211) are provided with buffer fences (212), the side close to each other of every two buffer fences (210), buffer fences (211) and buffer fences (212) is fixedly installed with an H-shaped support frame (213), the bottom end of the H-shaped support frame (213) between the buffer fences (212) is fixedly installed with a support (214), the two ends of the inner side of each buffer fence (210) and buffer fence (212) are provided with stroke grooves (215), the two ends of the inner side of each buffer fence (211) are fixedly installed with a pair of T-shaped limiting blocks (216), one end of the two pairs of T-shaped limiting blocks (216) penetrates the buffer fence (210) and buffer fence (212) through the stroke grooves (215), the limiting end of one end of the two pairs of T-shaped limiting blocks (216) is in close contact with the outer wall of the buffer fence (210) and buffer fence (212), the top end of the cross arm of the H-shaped support frame (213) between the two buffer fences (210) and the bottom end of the cross arm of the H-shaped support frame (213) between the two buffer fences (211) are fixedly installed with arc spring plates (217), one end of the two arc spring plates (217) is fixedly connected with the top end of the cross arm of the H-shaped support frame (213) between the two buffer fences (211) and the bottom end of the cross arm of the H-shaped support frame (213) between the two buffer fences (212), one end of the two buffer fences (210) is fixedly installed with an end protection plate (221), and one end of the two buffer fences (212) of the buffer section (2) is fixedly connected with one end of the two opening fences (110) of the opening section (1) through bolts.

2. A breakaway median barrier according to claim 1 wherein: The two ends of the two buffer fences (211) are wrapped to the outer sides of one end of the two buffer fences (210) and one end of the two buffer fences (212), and the outer sides of one end of the buffer fence (210) and the buffer fence (212) are in close contact with the inner sides of the buffer fence (211).

3. The breakaway median barrier of claim 1, wherein: The cross arms of the three H-shaped support frames (213) are fixedly installed with two telescopic rods (218), the outer walls of the two telescopic rods (218) are fixedly installed with fixed blocks (219), and the fixed blocks (219) are fixedly installed with buffer springs (220) on one side.

4. A breakaway median barrier according to claim 3 wherein: The buffer spring (220) is sleeved to the outer side of the telescopic end of the telescopic rod (218), and one end of the buffer spring (220) is fixedly connected with the outer wall of the cross arm of the H-shaped support frame (213). The cross arms of the three H-shaped support frames (213) are fixedly installed with two telescopic rods (218), the outer walls of the two telescopic rods (218) are fixedly installed with fixed blocks (219), and the fixed blocks (219) are fixedly installed with buffer springs (220) on one side.

5. The breakaway median barrier of claim 1, wherein: The end guard (221) is wrapped to one end of two buffer bars I (210), and the anti-collision barrel (222) is evenly arranged and installed below each pair of buffer bars I (210), buffer bars II (211) and buffer bars III (212).

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