CN215801017U

CN215801017U - Safety barrier structure for highway bridge

Info

Publication number: CN215801017U
Application number: CN202121920833.1U
Authority: CN
Inventors: 朱洁; 邓森林
Original assignee: Jingzhou Wuwei Highway Survey And Design Co ltd
Current assignee: Jingzhou Wuwei Highway Survey And Design Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-02-11
Anticipated expiration: 2031-08-17

Abstract

The utility model relates to the technical field of safety barriers and discloses a safety barrier structure for a highway bridge, which comprises supporting legs, cross rods and fixed rods, wherein the cross rods penetrate through the supporting legs and are fixedly connected with the cross rods, one ends of the fixed rods are fixedly connected with the cross rods, buffering devices are arranged on the supporting legs, fixing devices are arranged at the bottoms of the supporting legs, the number of the supporting legs and the number of the cross rods are two, and each cross rod penetrates through two supporting legs. According to the utility model, by arranging the buffer device, when an accident occurs, the interaction force of the accident vehicle when the accident vehicle impacts the guardrail is buffered, the accident degree is reduced, accident personnel are protected, and the problem that the traditional guardrail only plays a role in limiting and cannot well protect the accident vehicle is solved; through setting up fixing device, make the guardrail can easily fix and dismantle, solved traditional guardrail and fixed the setting in road both sides, the problem of difficult dismantlement clearance and change.

Description

Safety barrier structure for highway bridge

Technical Field

The utility model relates to the technical field of safety barriers, in particular to a safety barrier structure for a highway bridge.

Background

Along with the continuous development of society, the highway bridge engineering is more and more, in the highway bridge engineering, the construction of an anti-collision guardrail is a very important part, the life safety of people can be better ensured through the anti-collision guardrail, the bridge guardrail refers to a guardrail arranged on a bridge, the aim is to prevent an out-of-control vehicle from crossing the bridge, the anti-collision guardrail has the functions of preventing the vehicle from breaking through, passing down, turning over the bridge and beautifying the bridge building, the types of the bridge guardrail are divided into a plurality of methods, the bridge guardrail can be divided according to the arrangement position, the bridge guardrail can also be divided according to the structural characteristics, the anti-collision performance and the like, the bridge guardrail can be divided into a bridge side guardrail, a bridge central separation zone guardrail and a pedestrian and lane boundary guardrail according to the arrangement position, the bridge side guardrail can be divided into a beam column type (metal and concrete) guardrail, a reinforced concrete wall type expansion guardrail and a combined guardrail according to the anti-collision performance, the rigid guardrail, the semi-rigid guardrail and the flexible guardrail can be divided into the beam column type guardrail according to the anti-collision performance, common guardrail forms include concrete guardrails, corrugated beam guardrails and cable guardrails; the traditional guardrail consists of upright posts, cross beams and stop rods; traditional guardrail only plays the limiting displacement, can not protect accident vehicle well, and traditional guardrail is fixed to be set up in road both sides, and difficult dismantlement clearance and change.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safety guardrail structure for a highway bridge, which achieves the purposes of buffering accident vehicles and facilitating disassembly.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a safety barrier structure for public road bridge roof beam, includes supporting leg, horizontal pole and dead lever, the horizontal pole runs through the supporting leg, just with horizontal pole and supporting leg fixed connection, the one end and the horizontal pole fixed connection of dead lever, be provided with buffer on the supporting leg, the supporting leg bottom is provided with fixing device.

Preferably, the supporting legs and the horizontal rods are two in number and every horizontal rod penetrates through the two supporting legs and is fixedly connected with the two supporting legs.

Preferably, the fixed rods are eight in number, and one ends of the eight fixed rods are uniformly distributed between the same cross rod and the connection points of the two support legs.

Preferably, the buffer device comprises a buffer groove, a movable block, a rubber pad, a first movable rod, a second movable rod, a first spring, a metal rod, a clamping plate and a second spring, wherein the outer wall of one side of the buffer groove, which is far away from the opening, is fixedly connected with the supporting leg, the movable block is movably connected in the buffer groove, one surface of the rubber pad is fixedly connected with one surface of the movable block, one end of the first movable rod is hinged with the center of one end of the movable block, which is far away from the rubber pad, one end of the second movable rod is hinged with one end of the first movable rod, which is far away from the movable block, one end of the second movable rod, which is far away from the movable block, is hinged on the inner wall of one side of the buffer groove, which is far away from the opening, one end of the first spring is fixedly connected with the second movable rod, one end of the metal rod is fixedly connected with one surface of the movable block, which is far away from the rubber pad, the metal rod penetrates through the supporting leg and is in contact with the buffer groove, the clamping plate is in threaded connection with the metal rod, the spring is sleeved on the metal rod and located in the buffer groove, one end of the spring is fixedly connected with one surface, away from the rubber pad, of the movable block, and one end, away from the movable block, of the spring is fixedly connected with the inner wall of the buffer groove.

Preferably, the number of the first movable rod and the number of the second movable rod are two, the first movable rod and the second movable rod are symmetrically arranged on two sides of the first spring, and two ends of the first spring are fixedly connected with the two second movable rods respectively.

Preferably, the number of the metal rods, the clamping plates and the springs is two, and the number of the metal rods, the clamping plates and the springs is two and the two metal rods, the clamping plates and the springs are symmetrically arranged on two sides of the spring I.

Preferably, fixing device is including fixed case, fixed block, toper nail, fixture block, metal strip, gyro wheel, bolt, briquetting, the supporting leg lower extreme runs through the higher authority of fixed case, briquetting fixed mounting is in the bottom of supporting leg, the side outer wall bottom fixedly connected with fixed block of fixed case, the toper nail runs through the fixed block, just toper nail and fixed block fixed connection, the one end of metal strip articulates on fixed incasement wall bottom surface, fixture block side and metal strip one side fixed connection, the fixture block bottom surface is connected with the fixed case contact, the one end that fixed incasement wall was kept away from to the metal strip is articulated with the pivot of gyro wheel, the bolt runs through fixed case one side and with fixed case one side sliding connection.

Preferably, fixed block, toper nail, fixture block, metal strip, gyro wheel, bolt quantity are two fixed block, toper nail, fixture block, metal strip, gyro wheel, bolt all use the fixed case central line to set up as the axisymmetric.

Preferably, the fixture block is L-shaped, and a slot matched with the plug pin is formed in the bottom surface of the fixture block.

Preferably, the bottom surface of the pressing block is in a concave spherical shape, the length of the pressing block is the same as the diameter of an opening above the fixed box, and the two metal strips and the two rollers are arranged right below the pressing block.

The utility model provides a safety barrier structure for a highway bridge. The method has the following beneficial effects:

(1) according to the utility model, by arranging the buffer device, when an accident occurs, the interaction force of the accident vehicle when the accident vehicle impacts the guardrail is buffered, the accident degree is reduced, accident personnel are protected, and the problem that the traditional guardrail only plays a limiting role and cannot well protect the accident vehicle is solved.

(2) The guardrail can be easily fixed and disassembled by arranging the fixing device, and the problem that the traditional guardrail is fixedly arranged on two sides of a road and is not easy to disassemble, clean and replace is solved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is an enlarged, cross-sectional view of a cushioning device according to the present invention;

fig. 4 is an enlarged cross-sectional view of the fastening device of the present invention.

In the figure: 1. supporting legs; 2. a cross bar; 3. fixing the rod; 4. a buffer device; 401. a buffer tank; 402. a movable block; 403. a rubber pad; 404. a first movable rod; 405. a second movable rod; 406. a first spring; 407. a metal rod; 408. clamping a plate; 409. a second spring; 5. a fixing device; 501. a fixed box 502 and a fixed block; 503. a conical nail; 504. a clamping block; 505. a metal strip; 506. a roller; 507. a bolt; 508. and (7) briquetting.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the present invention provides a technical solution: a safety barrier structure for a highway bridge comprises supporting legs 1, cross rods 2 and fixing rods 3, wherein the cross rods 2 penetrate through the supporting legs 1 and are fixedly connected with the cross rods 2 and the supporting legs 1, the number of the supporting legs 1 and the number of the cross rods 2 are two, each cross rod 2 penetrates through the two supporting legs 1, each cross rod 2 is fixedly connected with the two supporting legs 1, the two supporting legs 1 and the two cross rods 2 are fixed in a 'well' shape to form a peripheral shape of the guardrail, one ends of the fixing rods 3 are fixedly connected with the cross rods 2, the number of the fixing rods 3 is eight, one ends of the eight fixing rods 3 are uniformly distributed between the same cross rod 2 and connecting points of the two supporting legs 1, the fixing rods 3 are used for fixing a 'well' structure formed by the supporting legs 1 and the cross rods 2, buffer devices 4 are arranged on the supporting legs 1 and comprise buffer grooves 401, movable blocks 402, rubber pads 403, movable rod I404, A second movable rod 405, a first spring 406, a metal rod 407, a clamping plate 408 and a second spring 409, wherein the outer wall of one side of the buffer groove 401 away from the opening is fixedly connected with the supporting leg 1, the movable block 402 is movably connected in the buffer groove 401, the movable block 402 can move towards the buffer groove 401 under stress, one side of the rubber pad 403 is fixedly connected with one side of the movable block 402, the rubber pad 403 can reduce impact force, one end of the first movable rod 404 is hinged with the center of one end of the movable block 402 away from the rubber pad 403, one end of the second movable rod 405 is hinged with one end of the first movable rod 404 away from the movable block 402, one end of the second movable rod 405 away from the first movable rod 404 is hinged on the inner wall of one side of the buffer groove 401 away from the opening, the first movable rod 404 and the second movable rod 405 form a telescopic movable arm, one end of the first spring 406 is fixedly connected with the second movable rod 405, the first movable rods 404 and the second movable rods 405 are both in number, the first movable rods 404 and the second movable rod 405 are symmetrically arranged at both sides of the first spring 406, two ends of a first spring 406 are respectively fixedly connected with two second movable rods 405, when the first movable rod 404 is extruded by the movable block 402, the first movable rods 404 can be opened to drive the second movable rods 405 to be opened to deform the first spring 406, the contraction force generated after the first spring 406 is stressed and deformed can neutralize the tension, so that a buffering effect is achieved, one end of a metal rod 407 is fixedly connected with one surface of the movable block 402, which is far away from the rubber pad 403, the metal rod 407 penetrates through the supporting leg 1 and the buffering groove 401, the metal rod 407 is in contact connection with the supporting leg 1 and the buffering groove 401, a clamping plate 408 is in threaded connection with the metal rod 407, the metal rod 407 can limit the moving track of the movable block 402, the clamping plate 408 can clamp the metal rod 407, the second spring 409 is sleeved on the metal rod 407 and located in the buffering groove 401, one end of the second spring 409 is fixedly connected with one surface of the movable block 402, which is far away from the rubber pad 403, one end of the second spring 409 is fixedly connected with the inner wall of the buffering groove 401, the second spring 409 can deform to generate tension and extrusion force when being extruded by the movable block 402, so that the buffer effect is achieved, the number of the metal rods 407, the clamping plate 408 and the second spring 409 is two, the number of the two metal rods 407, the clamping plate 408 and the second spring 409 is two, the two metal rods 407, the clamping plate 408 and the second spring 409 enable the movable block 402 to be stressed more uniformly and enhance the buffer effect, the bottom of the support leg 1 is provided with the fixing device 5, the fixing device 5 comprises a fixing box 501, a fixing block 502, a conical nail 503, a clamping block 504, metal strips 505, rollers 506, a bolt 507 and a pressing block 508, the lower end of the support leg 1 penetrates through the upper surface of the fixing box 501, the pressing block 508 is fixedly arranged at the bottom of the support leg 1, the bottom surface of the pressing block 508 is in a concave ball type arrangement, the length of the pressing block 508 is the same as the diameter of an opening above the fixing box 501, the two metal strips 505 and the rollers 506 are arranged right below the pressing block 508, the supporting leg 1 and the pressing block 508 can enter the fixed box 501 through an opening on the fixed box 501, two metal strips 505 and a roller 506 can be pressed when the pressing block 508 moves downwards, the bottom of the outer wall of the side surface of the fixed box 501 is fixedly connected with the fixed block 502, the conical nail 503 penetrates through the fixed block 502, the conical nail 503 is fixedly connected with the fixed block 502, the fixed block 502 and the conical nail 503 are used for fixedly mounting the fixed box 501 at a specified position on a highway bridge, one end of the metal strip 505 is hinged on the bottom surface of the inner wall of the fixed box 501, the pressing block 501 presses the roller 506 to enable the metal strip 505 to rotate around a hinged point and fall down, the side surface of the fixture block 504 is fixedly connected with one side of the metal strip 505, the fixture block 504 stands along with the falling of the metal strip 505, the bottom surface of the fixture block 504 is in contact connection with the fixed box 501, the fixture block 504 is in an L-shaped arrangement, the bottom surface of the fixture block 504 is provided with a slot matched with the bolt 507, the L-shaped arrangement can clamp the upper surface of the pressing block 508 when the fixture block 504 stands, the latch 507 is inserted into a slot opened on the fixture 504 when the fixture 504 clamps the pressing block 508, so that the fixture 504 is fixed, thereby the supporting leg 1 is fixed in the fixing box 501, one end of the metal strip 505 far away from the inner wall of the fixing box 501 is hinged with a rotating shaft of the roller 506, the roller 506 can roll on a concave spherical surface on the lower surface of the pressing block 508 when the pressing block 508 presses down, thereby the metal strip 505 rotates down, the latch 507 penetrates through one side of the fixing box 501 and is in sliding connection with one side of the fixing box 501, the fixing blocks 502, the tapered nails 503, the fixture 504, the metal strip 505, the roller 506 and the latch 507 are all two, the two fixing blocks 502, the tapered nails 503, the fixture 504, the metal strip 505, the roller 506 and the latch 507 are all arranged by taking the center line of the fixing box 501 as an axis symmetry, the two fixing blocks 502 and the tapered nails 503 enable the fixing box 501 to be fixed on a road bridge more stably, and the two fixtures 504, the metal strip 505, the roller 506 and the roller 506, The latch 507 allows the support leg 1 and the pressing block 508 to be more stably fixed in the fixing box 501.

When the device is used, the fixing device 5 is fixed on two sides of a highway bridge through the fixing block 502 and the conical nail 503, the lower end of the supporting leg 1 is inserted into the fixing box 501, the pressing block 508 presses the roller 506 in the downward movement process, so that the roller 506 drives the two metal strips 505 to rotate and fall down oppositely, the clamping block 504 rotates and stands to clamp the pressing block 508, the bolt 507 is pressed to insert the bolt 507 into the slot formed in the clamping block 504, the supporting leg 1 is fixed on the fixing device 5, and when the supporting leg needs to be cleaned or replaced, the bolt 507 can be extracted, and the supporting leg 1 can be taken out of the fixing box 501; when an accident occurs, the accident vehicle impacts the buffer device 4, the rubber pad 403 is stressed to drive the movable block 402 to move towards the buffer groove 401 to extrude the movable rods I404 and the springs II 409, the two movable rods I404 are stressed to be expanded to expand the two movable rods II 405, the springs I406 are stressed to be expanded to generate a contraction elastic force and an extrusion force so as to relieve the impact force, and the two springs II (409) are stressed to be compressed to generate an expansion elastic force and an extrusion force so as to relieve the impact force.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a highway is safety barrier structure for bridge, includes supporting leg (1), horizontal pole (2) and dead lever (3), its characterized in that: the supporting leg (1) is run through by the cross rod (2), the cross rod (2) is fixedly connected with the supporting leg (1), one end of the fixing rod (3) is fixedly connected with the cross rod (2), the supporting leg (1) is provided with the buffer device (4), and the bottom of the supporting leg (1) is provided with the fixing device (5).

2. The safety fence structure for road and bridge according to claim 1, wherein: supporting legs (1) are two, every with horizontal pole (2) quantity horizontal pole (2) all run through two supporting legs (1), and every horizontal pole (2) all with two supporting legs (1) fixed connection.

3. The safety fence structure for road and bridge as claimed in claim 2, wherein: the number of the fixing rods (3) is eight, and one ends of the fixing rods (3) are uniformly distributed on the same transverse rod (2) and between the connecting points of the two supporting legs (1).

4. The safety fence structure for road and bridge according to claim 1, wherein: the buffer device (4) comprises a buffer groove (401), a movable block (402), a rubber pad (403), a first movable rod (404), a second movable rod (405), a first spring (406), a metal rod (407), a clamping plate (408) and a second spring (409), wherein the outer wall of one side, away from the opening, of the buffer groove (401) is fixedly connected with the supporting leg (1), the movable block (402) is movably connected in the buffer groove (401), one side of the rubber pad (403) is fixedly connected with one side of the movable block (402), one end of the first movable rod (404) is hinged with the center of one end, away from the rubber pad (403), of the movable block (402), one end of the second movable rod (405) is hinged with one end, away from the movable block (402), of the second movable rod (405), away from the first movable rod (404), is hinged on the inner wall, away from one side of the opening, of the buffer groove (401), one end of the first spring (406) is fixedly connected with the second movable rod (405), one side of one end of the metal rod (407) is fixedly connected with the movable block (402) away from the rubber pad (403), the metal rod (407) penetrates through the supporting leg (1) and the buffer groove (401), the metal rod (407) is connected with the supporting leg (1) and the buffer groove (401) in a contact mode, the clamping plate (408) is connected with the metal rod (407) in a threaded mode, the second spring (409) is sleeved on the metal rod (407) and located in the buffer groove (401), one side of one end of the second spring (409) is fixedly connected with the movable block (402) away from the rubber pad (403), and one end of the second spring (409) away from the movable block (402) is fixedly connected with the inner wall of the buffer groove (401).

5. The safety fence structure for road and bridge according to claim 4, wherein: the number of the first movable rods (404) and the number of the second movable rods (405) are two, the first movable rods (404) and the second movable rods (405) are symmetrically arranged on two sides of the first spring (406), and two ends of the first spring (406) are fixedly connected with the two second movable rods (405) respectively.

6. The safety fence structure for road and bridge according to claim 4, wherein: the number of the metal rods 407, the number of the clamping plates (408) and the number of the springs II (409) are two, and the number of the metal rods 407, the number of the clamping plates (408) and the number of the springs II (409) are two and are symmetrically arranged on two sides of the springs I (406).

7. The safety fence structure for road and bridge according to claim 1, wherein: the fixing device (5) comprises a fixing box (501), a fixing block (502), a conical nail (503), a clamping block (504), a metal strip (505), a roller (506), a bolt (507) and a pressing block (508), wherein the lower end of the supporting leg (1) penetrates through the upper surface of the fixing box (501), the pressing block (508) is fixedly installed at the bottom of the supporting leg (1), the fixing block (502) is fixedly connected to the bottom of the outer wall of the side surface of the fixing box (501), the conical nail (503) penetrates through the fixing block (502), the conical nail (503) is fixedly connected with the fixing block (502), one end of the metal strip (505) is hinged to the bottom surface of the inner wall of the fixing box (501), the side surface of the clamping block (504) is fixedly connected with one side of the metal strip (505), the bottom surface of the clamping block (504) is in contact connection with the fixing box (501), one end, far away from the inner wall of the fixing box (501), of the metal strip (505), is hinged to the rotating shaft of the roller (506), the bolt (507) penetrates through one side of the fixed box (501) and is in sliding connection with one side of the fixed box (501).

8. The safety fence structure for road and bridge as claimed in claim 7, wherein: the number of the fixing blocks (502), the conical nails (503), the clamping blocks (504), the metal strips (505), the rollers (506) and the bolts (507) is two, and the fixing blocks (502), the conical nails (503), the clamping blocks (504), the metal strips (505), the rollers (506) and the bolts (507) are all arranged in an axisymmetric mode by taking the center line of the fixing box (501).

9. The safety fence structure for road and bridge as claimed in claim 7, wherein: the fixture block (504) is arranged in an L shape, and the bottom surface of the fixture block (504) is provided with a slot matched with the plug pin (507).

10. The safety fence structure for road and bridge as claimed in claim 7, wherein: the bottom surface of the pressing block (508) is arranged in a concave spherical mode, the length of the pressing block (508) is the same as the diameter of an opening above the fixed box (501), and the two metal strips (505) and the two rollers (506) are arranged right below the pressing block (508).