Safety protective fence for municipal and highway engineering

Abstract

The utility model discloses a safety protective fence for municipal and highway engineering, which belongs to the technical field of protective fences, and comprises a plurality of first fixing units, each first fixing unit comprises a fixing seat, the bottom of each fixing seat is fixedly connected to the ground, the top of each fixing seat is fixedly connected with a fixing plate, the side part of each fixing plate is provided with a buffer groove, and the buffer grooves are fixedly connected with the fixing plates. A buffer bag is fixedly connected into the buffer groove; and the multiple second fixing units and the multiple first fixing units are distributed in a staggered mode in a one-to-one correspondence mode. According to the utility model, the first fixing unit and the second fixing unit are connected by arranging the winding spring and the protective belt, after part of the fixing units are collided, collision is hindered under the elastic force action of the winding spring, and through stretching of the protective belt, the collision time is prolonged, the collision strength is reduced, and the buffering effect is further improved; and after the collision is finished, under the elastic force action of the winding spring, the part of the fixing unit which is separated from the ground has the tendency of restoring to the original position.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of guardrails, especially relates to a safety guardrail for municipal and highway engineering. BACKGROUND

[0002] In the process of municipal highway engineering, safety guardrails need to be set to form isolation and protection effect on the construction environment, to avoid vehicles and pedestrians on the road from entering the construction environment, to avoid affecting the construction process and damaging vehicles and pedestrians. The existing safety guardrails for municipal highway engineering usually have fixed grid structures, and when a collision occurs, the guardrails are prone to damage, have poor crashworthiness, and the guardrails are prone to cause secondary injury to vehicles and pedestrians when a collision occurs.

[0003] In the prior art, a gas storage bag is used to buffer the collision of the guardrail, and air in the gas storage bag is introduced into the protection bag, so that the collision of the protection bag forms secondary protection for the vehicle. In this way, the structure of the guardrail is fixed, and after being hit by a vehicle, the guardrail is prone to be detached from the original position and scattered on the road surface, hindering the normal driving of subsequent vehicles and pedestrians on the road surface. UTILITY MODEL CONTENTS

[0004] The utility model discloses a safety guardrail for municipal and highway engineering, to solve the problem that in the prior art, the structure of the guardrail is fixed, and after being hit by a vehicle, the guardrail is prone to be detached from the original position and scattered on the road surface, hindering the normal driving of subsequent vehicles and pedestrians on the road surface.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A safety guardrail for municipal and highway engineering, comprising:

[0007] A plurality of first fixing units, the first fixing unit comprising a fixing seat, the fixing seat being fixedly connected to the ground at the bottom and having a fixing plate fixedly connected to the top, a buffer groove being formed in the side of the fixing plate, and a buffer bag being fixedly connected in the buffer groove;

[0008] A plurality of second fixing units, the plurality of second fixing units being distributed in an alternating manner with the plurality of first fixing units one by one, the second fixing unit comprising a fixing column, the fixing column being fixedly connected to the ground at the bottom and having a winding rod rotatably connected inside, a winding spring being connected between the winding rod and the fixing column, and a protective belt being connected to both sides of the winding rod, the protective belt being connected to the fixing column at the side away from the winding rod and connected to the adjacent fixing plate.

[0009] Preferably, the protective belt comprises a connecting belt, the connecting belt having a connecting block fixedly connected to both ends, one of the connecting blocks being connected to the fixing plate, and the other connecting block being connected to the fixing column.

[0010] Preferably, the middle of the buffer tank is communicated with an insertion slot, the insertion slot is inserted with an insertion block, and the two sides of the insertion block are provided with first clamping grooves.

[0011] Preferably, the two sides of the buffer tank are communicated with communication grooves, the communication grooves are gap-fitted with the connecting belts, and the buffer bag is abutted on the connecting belts near one side in the buffer tank.

[0012] Preferably, the inner cavity is provided with a second clamping groove on the two sides of the winding rod in the inner cavity, and the second clamping groove is clamped and matched with the corresponding connecting block.

[0013] Preferably, the inner cavity is provided with a second clamping groove on the two sides of the winding rod in the inner cavity, and the second clamping groove is clamped and matched with the corresponding connecting block.

[0014] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0015] 1、the utility model discloses a winding spring and protection belt connection first fixed unit and second fixed unit are set up, after part fixed unit is impacted, under the elastic force of winding spring, the collision forms the obstruction, and through the stretching of protection belt, improves the collision time and reduces the collision intensity, further improves the buffering effect, and after the collision ends, the car and pedestrian of collision and go away, under the elastic force of winding spring, make the part fixed unit that separates from the ground has the tendency of restoring to original position, effectively avoid the fixed setting of the guardrail in prior art scatters on the road surface after being impacted, avoid the normal travel of the car and pedestrian on the road surface after being impacted.

[0016] 2、the utility model discloses the cooperation of clamping groove and clamping block makes protection belt separable with first fixed unit and second fixed unit connection, and the connecting setting of adjacent fixed unit is convenient, improves the installation efficiency and dismounting efficiency of guardrail.

[0017] 3、the utility model discloses the setting of buffer bag, and the collision of buffer bag forms the buffering effect, and simultaneously, after the collision of buffer bag, the extrusion of buffer bag to connecting belt strengthens, thereby improves the fixed effect of connecting belt, effectively avoids the connection of first clamping groove and connecting block from being damaged by strong impact, and the other end, under the elastic force of winding spring, effectively avoids the connection of second clamping groove and connecting block from being damaged by strong impact, improves the protection effect of protection belt and fixed unit. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1The utility model discloses a structure schematic drawing of the utility model;

[0019] Figure 2 The utility model discloses a structure schematic drawing of the adjacent two fixed unit of the utility model;

[0020] Figure 3 The utility model discloses a part horizontal section schematic drawing of the utility model;

[0021] Figure 4 The utility model discloses a fixed column horizontal section schematic drawing of the utility model.

[0022] In the drawing: 1 fixed seat, 2 fixed plate, 3 buffer groove, 4 buffer bag, 5 communication groove, 6 insertion groove, 7 insertion block, 8 first clamping groove, 9 fixed column, 10 inner chamber, 11 communication port, 12 winding rod, 13 second clamping groove, 14 mounting head, 15 winding spring, 16 connecting band, 17 connecting block. Specific implementation

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Reference Figures 1-4 A kind of safety fence for municipal, highway engineering, comprising:

[0025] A plurality of first fixed units, the first fixed unit includes fixed seat 1, fixed seat 1 bottom fixedly connected on ground, and top is fixedly connected with fixed plate 2, and fixed plate 2 side is equipped with buffer groove 3, and buffer groove 3 is fixedly connected with buffer bag 4.

[0026] The buffer bag 4 can buffer the collision of the car or the pedestrian, improve the protection effect of the fence, and form the protection effect to the car and the pedestrian.

[0027] A plurality of second fixed units, a plurality of second fixed units are staggered distribution one by one with a plurality of first fixed units, and the second fixed unit includes fixed column 9, and fixed column 9 bottom is fixedly connected on ground, and inside rotationally connected with winding rod 12, and winding rod 12 is connected with winding spring 15 between fixed column 9, and winding rod 12 both sides are connected with protective belt, and protective belt is away from winding rod 12 side and is connected with adjacent fixed plate 2 and passes through fixed column 9.

[0028] After part of the first fixing unit and the second fixing unit are collided, the first fixing unit forms a pulling effect on the protection belt in the second fixing unit, so as to form an obstacle to the collision under the elastic force of the winding spring 15, further improve the buffering effect, and after the collision ends and the collided car and pedestrian leave, part of the first fixing unit and the second fixing unit off the ground have a tendency to return to the original position under the elastic force of the winding spring 15, effectively avoiding that the protection fence fixedly arranged in the prior art is scattered on the road after being collided, and avoiding that the protection fence after being collided hinders the normal driving of the car and the pedestrian on the road.

[0029] The protection belt comprises a connecting belt 16, both ends of the connecting belt 16 are fixedly connected with connecting blocks 17, one connecting block 17 is connected with the fixed plate 2, and the other connecting block 17 is connected with the fixed column 9.

[0030] The middle part of the buffer groove 3 is communicated with an insertion groove 6, an insertion block 7 is inserted in the insertion groove 6, and first clamping grooves 8 are formed on both sides of the insertion block 7 and clamped and matched with the corresponding connecting blocks 17.

[0031] The fixed column 9 is provided with an inner cavity 10, the winding rod 12 is located in the inner cavity 10, and second clamping grooves 13 are formed on both sides of the winding rod 12 and clamped and matched with the corresponding connecting blocks 17.

[0032] Through the clamping groove and the clamping and matching of the connecting block 17, the protection belt is connected with the first fixing unit and the second fixing unit in a separable manner, the connection and setting of adjacent fixing units are facilitated, and the installation efficiency and disassembly efficiency of the protection fence are improved.

[0033] Both sides of the buffer groove 3 are communicated with communication grooves 5, the communication grooves 5 are matched with the connecting belt 16 in a gap manner, and the buffer bag 4 is abutted on the connecting belt 16 close to one side in the buffer groove 3.

[0034] After the buffer bag 4 is collided, the extrusion of the buffer bag 4 on the connecting belt 16 is enhanced, so as to improve the fixing effect on the connecting belt 16 and effectively avoid that the connection between the first clamping groove 8 and the connecting block 17 is damaged by strong impact; and on the other end, under the elastic force of the winding spring 15, the connection between the second clamping groove 13 and the connecting block 17 is effectively avoided from being damaged by strong impact, and the protection effect on the protection belt and the two fixing units is improved.

[0035] Both sides of the inner cavity 10 are communicated with communication ports 11, the communication ports 11 are provided in a penetrating manner at the top, the fixed column 9 is clamped with a mounting head 14 at the top, one end of the winding spring 15 is fixedly connected with the winding rod 12, and the other end is fixedly connected with the mounting head 14.

[0036] By setting the mounting head 14, when the guardrail is collided to make the winding spring 15 exceed the elastic limit, the mounting head 14 is disassembled, and the winding spring 15 is conveniently disassembled and assembled.

[0037] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A safety fence for municipal and highway engineering, characterized in that, The utility model relates to a kind of fixed unit for protecting the safety of children, which includes: A plurality of first fixed units, the first fixed unit includes a fixed seat (1), the bottom of the fixed seat (1) is fixedly connected to the ground, and the top is fixedly connected with a fixed plate (2), the side of the fixed plate (2) is provided with a buffer groove (3), and the buffer groove (3) is fixedly connected with a buffer bag (4) inside; A plurality of second fixed units, a plurality of second fixed units are staggered and distributed one-to-one with a plurality of first fixed units, the second fixed unit includes a fixed column (9), the bottom of the fixed column (9) is fixedly connected to the ground, and a winding rod (12) is rotatably connected inside, the winding rod (12) and the fixed column (9) are connected with a winding spring (15) therebetween, and the winding rod (12) is connected with a protective belt on both sides, the protective belt is penetrated through the fixed column (9) away from the winding rod (12) side, and connected with the adjacent fixed plate (2).

2. A safety fence for municipal and highway engineering according to claim 1, characterized in that Wherein: The protective belt includes a connecting belt (16), both ends of the connecting belt (16) are fixedly connected with a connecting block (17), one of the connecting block (17) is connected with the fixed plate (2), and the other connecting block (17) is connected with the fixed column (9).

3. A safety fence for municipal and highway engineering according to claim 2, characterized in that Wherein: The buffer groove (3) is communicated with an insertion groove (6) in the middle, the insertion groove (6) is inserted with an insertion block (7), the first clamping groove (8) is provided on both sides of the insertion block (7), and the first clamping groove (8) is clamped and matched with the corresponding connecting block (17).

4. A safety fence for municipal and highway engineering according to claim 3, characterized in that Wherein: The buffer groove (3) is communicated with a communication groove (5) on both sides, the communication groove (5) is gap matched with the connecting belt (16), and the buffer bag (4) is abutted on the connecting belt (16) on the side close to the buffer groove (3) inside.

5. A safety fence for municipal and highway engineering according to claim 4, characterized in that Wherein: The fixed column (9) is provided with an inner cavity (10) inside, the winding rod (12) is located in the inner cavity (10), the second clamping groove (13) is provided on both sides of the winding rod (12), and the second clamping groove (13) is clamped and matched with the corresponding connecting block (17).

6. A safety fence for municipal and highway engineering according to claim 5, characterized in that Wherein: The inner cavity (10) is communicated with a communication port (11) on both sides, the communication port (11) is provided at the top, the fixed column (9) is clamped with a mounting head (14) at the top, one end of the winding spring (15) is fixedly connected with the winding rod (12), and the other end is fixedly connected with the mounting head (14).

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