Protective fence for bridge construction

Abstract

The utility model relates to the technical field of bridge protective guard bodies, and discloses a protective guard for bridge construction, which comprises a protective guard body, a mounting device is arranged in front of the protective guard body, and the mounting device comprises an adjusting part. According to the protective fence body for bridge construction, by arranging the mounting frames, connecting bolts, rollers, second rotating shafts, connecting rods, mounting rods, sliding blocks, sliding rods and springs, when the protective fence body is used, the mounting frames are mounted at the ends of the mounting rods through the connecting bolts, the left mounting frame and the right mounting frame are connected, and when the protective fence body is impacted, an automobile rolls along the outer surfaces of the rollers; an automobile is horizontally guided, the extrusion force of the automobile on the device is reduced, idler wheels are buffered through the elastic force of springs, the impact force borne by the device is reduced, when the device is impacted, a mounting rod and a mounting frame displace, and the mounting frame and the mounting rod can relatively deflect and transversely displace through arrangement of connecting bolts; and the protection continuity of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge guardrail body technical field, specifically is a bridge construction guardrail. BACKGROUND

[0002] Bridge guardrail body, also known as bridge guardrail or guardrail, is an important safety protection facility on the bridge, aiming at making vehicles and pedestrians travel in different lanes, and preventing vehicles from driving off the designated lane.

[0003] Chinese patent discloses a kind of bridge construction guardrail body, and the publication number is CN208546029U, including base, the top of the base is fixedly connected with support block, the surface of the support block is equipped with through hole, the inner chamber of the support block is provided with first connecting rod, the end of the first connecting rod away from the inner chamber of support block is penetrated to the outside of through hole and fixedly connected with press block, the surface of the first connecting rod is equipped with first spring, and the first spring is located the outside of through hole.The utility model discloses the cooperation of base, support block, through hole, first connecting rod, press block, first spring, sealing box, second connecting rod, baffle, support rod, sliding slot and first connecting block is used, solve the problem that the existing road bridge construction guardrail body is mostly fixed installation, inconvenient to install and disassemble, time-consuming and labor-saving, the bridge construction guardrail body has the advantages of convenient disassembly, convenient to use, and is worth promoting.

[0004] But still include following shortcoming: device utilizes guardrail body to protect vehicle, but when vehicle collides with guardrail body, it cannot play buffering effect to vehicle, and the protection of vehicle and human body is poor.Therefore, we propose a kind of bridge construction guardrail to solve this problem. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of bridge construction guardrail to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of bridge construction guardrail, including guardrail body, the front of the guardrail body is provided with mounting device, and the mounting device includes adjusting part;

[0007] The adjusting part includes bottom plate, first screw rod, sleeve and second screw rod, the top surface of the bottom plate is fixedly connected with the bottom surface of first screw rod, the top surface of the second screw rod is fixedly connected with the bottom surface of guardrail body, and the sleeve is threadedly sleeved on the outer surface of the top end of first screw rod and the outer surface of the bottom end of second screw rod;

[0008] The front of the guardrail body is provided with buffer part;

[0009] The buffer part comprises a triangular plate, a reflective sticker, a connecting rod, a mounting rod, a sliding block and a sliding rod, the connecting rod is hingedly connected to the back of the sliding block at the front end, the back of the mounting rod is provided with a sliding groove, the outer surface of the sliding rod is fixedly connected to the inner wall of the sliding groove, and the outer surface of the reflective sticker is fixedly connected to the outer surface of the triangular plate.

[0010] Further improvement lies in that the screw thread rotation direction of the first screw rod is opposite to that of the second screw rod, and the bottom plate is provided with positioning bolts penetratingly arranged on the upper and lower end surfaces, the distance between the first screw rod and the second screw rod is adjusted by rotating the sleeve to adjust the height of the guardrail body through the arrangement of the sleeve, the first screw rod and the second screw rod.

[0011] Further improvement lies in that the rear end of the connecting rod is hingedly connected to the front face of the guardrail body, the front end of the sliding block extends to the inside of the mounting rod and is slidingly sleeved on the outer surface of the sliding rod, and the outer surface of the sliding block is slidingly connected to the inner wall of the mounting rod, the automobile is protected by the mounting rod through the arrangement of the sliding block, the connecting rod and the mounting rod.

[0012] Further improvement lies in that the buffer part further comprises a first rotating shaft, a mounting bracket, a roller, a second rotating shaft and a spring, the spring is sleeved on the outer side of the sliding rod, and the outer surface of the spring is fixedly connected to the outer surface of the sliding block, the impact force borne by the mounting rod is buffered by the elastic force of the spring through the arrangement of the sliding rod and the spring, and the impact force of the automobile is reduced.

[0013] Further improvement lies in that the outer surface of the second rotating shaft is rotatably connected to the outer surface of the mounting rod through a bearing seat, and the roller is fixedly sleeved on the outer surface of the second rotating shaft, the automobile is guided to move horizontally to reduce the impact force of the automobile through the arrangement of the second rotating shaft and the roller.

[0014] Further improvement lies in that the mounting rod is provided with a through hole in the top surface, the mounting bracket is slidingly sleeved on the outer surface of the mounting rod, the mounting rod is slidingly provided with a connecting bolt penetratingly arranged on the upper and lower end surfaces, the outer surface of the connecting bolt is slidingly connected to the inner wall of the mounting rod, the outer surface of the connecting bolt is threadedly sleeved on a nut, the adjacent devices are connected by the mounting bracket to improve the protection effect of the device and guide the automobile to move horizontally when the automobile impacts the device through the arrangement of the connecting bolt and the mounting bracket.

[0015] Further improvement lies in that the outer surface of the first rotating shaft is fixedly connected to the outer surface of the mounting bracket, and the triangular plate is rotatably sleeved on the outer surface of the first rotating shaft through a bearing, the driving safety at night is improved through the arrangement of the first rotating shaft, the triangular plate and the reflective sticker.

[0016] Compared with the prior art, the bridge construction guardrail body has the beneficial effects that: the installation frame is installed at the end of the mounting rod by the connecting bolt, and the left and right installation frames are connected, when the device is impacted, the car rolls along the outer surface of the roller, the car is horizontally guided, the extrusion force of the car on the device is reduced, the spring is used to buffer the roller, the impact force received by the device is reduced, when the device is impacted, the mounting rod and the installation frame are displaced, the installation frame and the mounting rod can be relatively deflected and transversely displaced by the connecting bolt, and the continuity of the device protection is improved; the light reflection paste is used to reflect light, and the driving safety at night is improved; the bottom plate, the first screw rod, the sleeve and the second screw rod are arranged, the relative positions of the sleeve, the first screw rod and the second screw rod are adjusted by rotating the sleeve, and the height of the device is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the installation device of the utility model;

[0018] Figure 2 It is a three-dimensional structure left side sectional view of the installation device of the utility model;

[0019] Figure 3 It is a three-dimensional structure sectional view of the buffer part of the utility model;

[0020] Figure 4 It is Figure 3 It is a structure enlarged view of the middle A of the utility model;

[0021] Figure 5 It is a partial structure schematic view of the buffer part of the utility model.

[0022] In the figure: 1 guardrail body, 2 installation device, 21 adjusting part, 22 buffer part, 211 bottom plate, 212 first screw rod, 213 sleeve, 214 second screw rod, 221 first shaft, 222 triangular plate, 223 installation frame, 224 light reflection paste, 225 connecting bolt, 226 roller, 227 second shaft, 228 connecting rod, 229 mounting rod, 220 sliding block, 201 sliding rod, 202 spring. DETAILED DESCRIPTION

[0023] The technical solutions 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme: a protective fence for bridge construction, including protective fence body 1, the front of protective fence body 1 is provided with mounting device 2, and mounting device 2 includes adjusting part 21;

[0025] Adjusting part 21 includes bottom plate 211, first screw rod 212, sleeve 213 and second screw rod 214, and the top surface of bottom plate 211 is fixedly connected with the bottom surface of first screw rod 212, the top surface of second screw rod 214 is fixedly connected with the bottom surface of protective fence body 1, and sleeve 213 is threadedly sleeved on the outer surfaces of the top end of first screw rod 212 and the bottom end of second screw rod 214;

[0026] The screw thread rotation direction of first screw rod 212 is opposite to that of second screw rod 214, and the upper and lower end surfaces of bottom plate 211 are provided with positioning bolts in threaded penetration, by setting bottom plate 211, first screw rod 212, sleeve 213 and second screw rod 214, the relative positions of sleeve 213, first screw rod 212 and second screw rod 214 are adjusted by rotating sleeve 213, and the height of the adjusting device is adjusted;

[0027] The front of protective fence body 1 is provided with buffer part 22;

[0028] Buffer part 22 includes triangular plate 222, reflective sticker 224, connecting rod 228, mounting rod 229, sliding block 220 and sliding rod 201, the front end of connecting rod 228 is hingedly connected with the back surface of sliding block 220, the back surface of mounting rod 229 is provided with a sliding groove, the outer surface of sliding rod 201 is fixedly connected with the inner wall of the sliding groove, the outer surface of reflective sticker 224 is fixedly connected with the outer surface of triangular plate 222, and buffer part 22 further includes first rotating shaft 221, mounting frame 223, roller 226, second rotating shaft 227 and spring 202;

[0029] The rear end of connecting rod 228 is hingedly connected with the front surface of protective fence body 1, the front end of sliding block 220 extends to the inside of mounting rod 229 and is threadedly sleeved on the outer surface of sliding rod 201, the outer surface of sliding block 220 is slidably connected with the inner wall of mounting rod 229, the outer surface of second rotating shaft 227 is rotatably connected with the outer surface of mounting rod 229 through a bearing seat, and roller 226 is fixedly sleeved on the outer surface of second rotating shaft 227;

[0030] The spring 202 is sleeved outside the sliding rod 201, and the outer surface of the spring 202 is fixedly connected with the outer surface of the sliding block 220; through the setting of the mounting frame 223, the connecting bolt 225, the roller 226, the second rotating shaft 227, the connecting rod 228, the mounting rod 229, the sliding block 220, the sliding rod 201 and the spring 202, in use, the mounting frame 223 is mounted at the end of the mounting rod 229 by the connecting bolt 225, and the left and right mounting frames 223 are connected; when the device is impacted, the car rolls along the outer surface of the roller 226, the car is horizontally guided, the extrusion force of the car on the device is reduced, the spring 202 is used for buffering the roller 226 by the elastic force of the spring 202, the impact force borne by the device is reduced, when the device is impacted, the mounting rod 229 and the mounting frame 223 are displaced, the mounting frame 223 and the mounting rod 229 can be relatively deflected and transversely displaced by the setting of the connecting bolt 225, and the continuity of the protection of the device is improved.

[0031] The mounting rod 229 is provided with a through hole in the top surface, the mounting frame 223 is sleeved on the outer surface of the mounting rod 229 in a sliding mode, the connecting bolt 225 is arranged on the upper and lower end surfaces of the mounting rod 229 in a sliding mode, the outer surface of the connecting bolt 225 is connected with the inner wall of the mounting rod 229 in a sliding mode, and the outer surface of the connecting bolt 225 is sleeved with a nut in a threaded mode.

[0032] The outer surface of the first rotating shaft 221 is fixedly connected with the outer surface of the mounting frame 223, the triangular plate 222 is rotatably sleeved on the outer surface of the first rotating shaft 221 through a bearing, and the height of the device is adjusted by rotating the sleeve 213, adjusting the relative positions of the sleeve 213, the first screw rod 212 and the second screw rod 214.

[0033] When the car impacts the mounting frame 229 and the mounting rod 229, the mounting rod 229 is close to the guardrail body 1, the connecting rod 228 is deflected, the spring 202 is compressed, and the car moves along the outer surface of the roller 226 to unload the impact on the car.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A guard rail for bridge construction comprising a guard rail body (1), characterized in that: The guardrail body (1) is provided with an installation device (2) in front, the installation device (2) includes an adjusting part (21); The adjusting part (21) includes a bottom plate (211), a first screw rod (212), a sleeve (213) and a second screw rod (214), the top surface of the bottom plate (211) is fixedly connected with the bottom surface of the first screw rod (212), the top surface of the second screw rod (214) is fixedly connected with the bottom surface of the guardrail body (1), the sleeve (213) is threadedly sleeved on the outer surface of the top end of the first screw rod (212) and the outer surface of the bottom end of the second screw rod (214); The guardrail body (1) is provided with a buffer part (22) in front; The buffer part (22) includes a triangular plate (222), a reflective sticker (224), a connecting rod (228), a mounting rod (229), a sliding block (220) and a sliding rod (201), the front end of the connecting rod (228) is hingedly connected with the back surface of the sliding block (220), the back surface of the mounting rod (229) is provided with a sliding groove, the outer surface of the sliding rod (201) is fixedly connected with the inner wall of the sliding groove, and the outer surface of the reflective sticker (224) is fixedly connected with the outer surface of the triangular plate (222).

2. The guardrail for bridge construction according to claim 1, wherein: The screw rotation direction of the first screw rod (212) is opposite to that of the second screw rod (214), and the bottom plate (211) is provided with a positioning bolt penetratingly arranged on the upper and lower end surfaces in a threaded manner.

3. The guardrail for bridge construction according to claim 1, wherein: The rear end of the connecting rod (228) is hingedly connected with the front surface of the guardrail body (1), the front end of the sliding block (220) extends into the mounting rod (229) and is slidably sleeved on the outer surface of the sliding rod (201), and the outer surface of the sliding block (220) is slidably connected with the inner wall of the mounting rod (229).

4. The guardrail for bridge construction according to claim 1, wherein: The buffer part (22) further includes a first rotating shaft (221), a mounting frame (223), a roller (226), a second rotating shaft (227) and a spring (202), the spring (202) is sleeved on the outer side of the sliding rod (201), and the outer surface of the spring (202) is fixedly connected with the outer surface of the sliding block (220).

5. The guard rail for bridge construction according to claim 4, wherein: The outer surface of the second rotating shaft (227) is rotatably connected with the outer surface of the mounting rod (229) through a bearing seat, and the roller (226) is fixedly sleeved on the outer surface of the second rotating shaft (227).

6. The guard rail for bridge construction according to claim 4, wherein: The mounting rod (229) is provided with a through hole in the top surface, the mounting frame (223) is slidably sleeved on the outer surface of the mounting rod (229), and the mounting rod (229) is provided with a connecting bolt (225) penetratingly arranged on the upper and lower end surfaces in a sliding manner, the outer surface of the connecting bolt (225) is slidably connected with the inner wall of the mounting rod (229), and the outer surface of the connecting bolt (225) is threadedly sleeved on a nut.

7. The guard rail for bridge construction according to claim 4, wherein: The outer surface of the first rotating shaft (221) is fixedly connected with the outer surface of the mounting frame (223), and the triangular plate (222) is rotatably sleeved on the outer surface of the first rotating shaft (221) through a bearing.

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