Anti-collision guardrail for highway construction

Abstract

The utility model relates to the technical field of expressway construction, and discloses an anti-collision guardrail for expressway construction, which comprises a plurality of anti-collision cylinders, the upper ends and the lower ends of the plurality of anti-collision cylinders are connected with connecting columns, the two sides of the two groups of connecting columns are provided with limiting fences and fixed fences, the limiting fences are provided with movable grooves, and the fixed fences are provided with fixed grooves. A plurality of movable seats are movably installed in the movable groove, and clamping seats are fixedly installed on the outer walls of the sides, close to the connecting columns, of the movable seats. According to the highway anti-collision device, when a vehicle running on a highway collides with the anti-collision barrel due to an accident, the anti-collision barrel moves synchronously with the connecting columns connected with the upper end and the lower end of the anti-collision barrel after being subjected to external force, and when the connecting columns extrude the clamping seats, the movable seat fixedly connected with one of the clamping seats can slide in the movable groove after being extruded; and in the sliding process of the movable seat, buffering and force unloading can be conducted on the collision borne by the connecting column and the anti-collision barrel, and then the collision force of the vehicle on the anti-collision barrel is relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to expressway construction technical field especially relates to a crash barrier for expressway construction. BACKGROUND

[0002] With the gradually increasing number of vehicles, in order to ensure the safety and smoothness of driving, the most common way is to set up guardrails in the middle of the road to divide the traffic, and guardrails are also set up on both sides of the road to protect vehicles, but traffic accidents are more likely to occur during driving, directly hitting the guardrails, resulting in damage to the guardrails.

[0003] The existing technology of the roller crash barrier makes the vehicle buffer and unload force on the roller when hitting the roller, but the guardrail can only unload a small part of the force, and the vehicle cannot be well protected, and when the roller is damaged by impact, the user needs to replace the connection position of the roller and the guardrail body synchronously, so that the cost of replacing the guardrail is high and the replacement steps are more complicated. For this reason, we propose a crash barrier for expressway construction. UTILITY MODEL CONTENTS

[0004] The utility model mainly solves the technical problems existing in the prior art, and provides a crash barrier for expressway construction.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme, a crash barrier for expressway construction, comprising a plurality of anti-collision barrels, the upper and lower ends of the plurality of anti-collision barrels are connected with connecting columns, two groups of connecting columns are provided with limiting fences and fixed fences on both sides, a movable slot is formed in the limiting fence, a plurality of movable seats are movably installed in the movable slot, a clamping seat is fixedly installed on the side wall of the movable seat close to the connecting column, another clamping seat is movably installed on the fixed fence corresponding to the movable seat, and the connecting column is located between the two clamping seats.

[0006] As a preferred, the outer wall of the limiting fence and the fixed fence is fixedly installed with a fixed block on both sides of the clamping seat, a spring is arranged between the end of the fixed block and the clamping seat, and the two ends of the spring are fixedly connected with the corresponding positions of the fixed block and the clamping seat.

[0007] As a preferred, the end outer wall of the clamping seat is provided as an inwardly recessed arc, and the end outer wall of the clamping seat is in contact with the outer wall of the connecting column.

[0008] As a preferred, the lower end of the connecting column is fixedly installed with a connecting disc, a plurality of fixed bolts are threadedly connected on the connecting disc, and the connecting disc is movably connected with the upper end surface of the anti-collision barrel through the plurality of fixed bolts.

[0009] The upper end face center position of the anti-collision cylinder is rotatably installed with a rotating disc, the rotating disc is matched with the connecting disc, and the rotating disc is movably connected with the ends of the plurality of fixing bolts.

[0010] The cross section of the movable groove is a T-shaped structure, and the movable seat is matched with the movable groove.

[0011] The end outer wall of the movable seat is attached to the movable groove, and chamfers are formed at both ends of the movable seat.

[0012] Advantages

[0013] The anti-collision guardrail for highway construction has the following advantages:

[0014] (1) When a vehicle driving on the highway collides with the anti-collision cylinder, the anti-collision cylinder and the connecting column connected with the upper and lower ends of the anti-collision cylinder move synchronously after being subjected to an external force, the movable seat fixedly connected with one of the clamping seats is extruded and can slide in the movable groove, and the impact on the connecting column and the anti-collision cylinder is buffered and unloaded during the sliding of the movable seat, thereby reducing the impact force of the vehicle on the anti-collision cylinder.

[0015] (2) The anti-collision guardrail for highway construction is provided with two fixed blocks on the limiting fence and the fixed fence, and the movable seat and the clamping seat are arranged between the two fixed blocks, when the anti-collision cylinder is impacted, the connecting column arranged at both ends of the anti-collision cylinder extrudes the clamping seat synchronously, and the spring arranged on both sides of the clamping seat can buffer the displacement of the clamping seat. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative labor.

[0017] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, to enable those skilled in the art to understand and read, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0018] Figure 1The whole structure schematic view of the utility model;

[0019] Figure 2 The local structure schematic view of the utility model;

[0020] Figure 3 The utility model Figure 2 The enlarged structure schematic view of A place in the middle.

[0021] Legend: 1, limit column; 2, movable slot; 3, connecting column; 4, anti-collision cylinder; 5, connecting disc; 6, fixed bolt; 7, rotating disc; 8, movable seat; 9, fixed block; 10, spring; 11, clamping seat; 12, fixed column. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model below, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] As Figures 1-3 Indicated, a crash barrier for highway construction, including multiple anti-collision cylinders 4, multiple anti-collision cylinders 4's upper and lower ends are connected with connecting column 3, two groups of connecting column 3's both sides are provided with limit column 1 and fixed column 12, limit column 1 is provided with movable slot 2, movable slot 2's inside movable mounting has multiple movable seats 8, movable seat 8's side outer wall close to connecting column 3 is fixedly installed with clamping seat 11, and fixed column 12's corresponding position with movable seat 8 is movably installed with another clamping seat 11, and connecting column 3 is located between two clamping seats 11 and is provided with;

[0024] When the vehicle driving on the highway is accidentally impacted on the anti-collision cylinder 4, the anti-collision cylinder 4 is synchronously moved with the connecting column 3 connected to its upper and lower ends after being subjected to external force, then when the connecting column 3 extrudes the clamping seat 11, the movable seat 8 fixedly connected with one of the clamping seats 11 is extruded and can slide inside the movable slot 2, and the impact on the connecting column 3 and the anti-collision cylinder 4 can be buffered and unloaded during the sliding of the movable seat 8, thereby reducing the impact intensity of the vehicle on the anti-collision cylinder 4, and compared with the traditional guardrail, the damage to the vehicle caused by the traditional guardrail can also be reduced.

[0025] As Figure 1 And Figure 2As shown, the outer wall of the limiting column 1 and the fixed column 12 is fixedly installed with a fixed block 9 on both sides of the card seat 11, a spring 10 is arranged between the fixed block 9 and the end of the card seat 11, and the two ends of the spring 10 are fixedly connected with the corresponding positions of the fixed block 9 and the card seat 11; two fixed blocks 9 are fixedly installed on the limiting column 1 and the fixed column 12, and the number of the plurality of fixed blocks 9 is the same as the number of the anti-collision cylinder 4, wherein the movable seat 8 and the card seat 11 are arranged between the two fixed blocks 9, when the anti-collision cylinder 4 is impacted, the connecting column 3 arranged at both ends of the anti-collision cylinder 4 synchronously extrudes the card seat 11, and the spring 10 arranged on both sides of the card seat 11 can buffer the card seat 11 when the card seat 11 is displaced.

[0026] As shown in Figure 2 , the end of the card seat 11 is arranged as an inwardly recessed arc, and the end of the card seat 11 is fitted with the outer wall of the connecting column 3; the card seat 11 is used in cooperation with the connecting column 3, and the connecting column 3 and the card seat 11 are not rigidly connected, which can avoid deformation of the connecting column 3 and the card seat 11 at the position thereof after the anti-collision cylinder 4 is impacted, thereby affecting subsequent use.

[0027] As shown in Figure 3 , the lower end of the connecting column 3 is fixedly installed with a connecting disc 5, a plurality of fixed bolts 6 are threadedly connected on the connecting disc 5, and the connecting disc 5 is movably connected with the upper end surface of the anti-collision cylinder 4 through the plurality of fixed bolts 6; when the anti-collision cylinder 4 is damaged or broken, the user can detach the plurality of fixed bolts 6 to detach the anti-collision cylinder 4 from the connecting column 3, and then replace the anti-collision cylinder 4.

[0028] As shown in Figure 3 , a rotating disc 7 is rotatably installed at the central position of the upper end surface of the anti-collision cylinder 4, the rotating disc 7 is matched with the connecting disc 5, and the rotating disc 7 is movably connected with the ends of the plurality of fixed bolts 6; the connecting disc 5 is connected with the anti-collision cylinder 4 through the rotating disc 7, which can avoid affecting the rotation of the anti-collision cylinder 4, and when the vehicle contacts the anti-collision cylinder 4, the anti-collision cylinder 4 can rotate according to the direction of the force to buffer.

[0029] As shown in Figure 1 , the cross section of the movable groove 2 is T-shaped structure, and the movable seat 8 is matched with the movable groove 2; the special shape of the movable groove 2 and the movable seat 8 can prevent the movable seat 8 from falling out of the inside of the movable groove 2.

[0030] As shown in Figure 2 , the end of the movable seat 8 is fitted with the movable groove 2, and the two ends of the movable seat 8 are both chamfered; when the anti-collision cylinder 4 is impacted, the movable seat 8 can adaptively deform according to the force condition, and the chamfered ends of the movable seat 8 can provide space for the displacement of the movable seat 8 when the movable seat 8 is subjected to external force

[0031] The utility model discloses a working principle: when the vehicle that drives on the highway has an accident and hits the anti -collision cylinder 4, the anti -collision cylinder 4 is connected with the connecting column 3 of upper and lower both ends after being subjected to external force and synchronous activity, then when the connecting column 3 extrudes the clamping seat 11, the movable seat 8 fixedly connected with one clamping seat 11 is extruded and can slide in the inside of movable slot 2, in the sliding process of movable seat 8, the impact that connecting column 3 and anti -collision cylinder 4 received can be buffered and unloads, and then slow down the impact intensity of vehicle to anti -collision cylinder 4, and two fixed blocks 9 are fixedly installed on spacing fence 1 and fixed fence 12, and the number of multiple fixed blocks 9 is same with the number of anti -collision cylinder 4, wherein, movable seat 8 and clamping seat 11 are all located between two fixed blocks 9 setting, when anti -collision cylinder 4 is hit, the connecting column 3 located at the both ends of anti -collision cylinder 4 synchronous extrusion is caused to clamping seat 11, then the spring 10 located at the both sides of clamping seat 11 can buffer when clamping seat 11 displacement.

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A crash barrier for highway construction, comprising a plurality of crash barrels (4), the upper and lower ends of the plurality of crash barrels (4) are connected with connecting columns (3), the two sides of the two groups of connecting columns (3) are provided with limiting fences (1) and fixed fences (12), characterized in that: The movable slot (2) is arranged on the limiting column (1), and a plurality of movable seats (8) are movably arranged in the movable slot (2).

2. The crash barrier for use in highway construction according to claim 1, characterized in that: The outer wall of the movable seat (8) is fixedly connected with the clamping seat (11) near the connecting column (3).

3. The crash barrier for use in highway construction according to claim 2, characterized in that: The end of the clamping seat (11) is arranged in an arc shape.

4. The crash barrier for use in highway construction according to claim 3, characterized in that: The lower end of the connecting column (3) is fixedly connected with the connecting disc (5), and the connecting disc (5) is threadedly connected with a plurality of fixing bolts (6).

5. The crash barrier for use in highway construction according to claim 4, wherein: The upper end of the anti-collision cylinder (4) is movably connected with the connecting disc (5) through the plurality of fixing bolts (6).

6. The crash barrier for highway construction according to claim 1, wherein: The movable slot (2) is arranged on the limiting column (1), and a plurality of movable seats (8) are movably arranged in the movable slot (2).

7. The crash barrier for use in highway construction according to claim 6, wherein: The outer wall of the movable seat (8) is fixedly connected with the clamping seat (11) near the connecting column (3).

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