CN210597011U

CN210597011U - Net structure is prevented throwing by highway bridge steel guardrail

Info

Publication number: CN210597011U
Application number: CN201920969698.6U
Authority: CN
Inventors: 钱俊; 樊宗炳
Original assignee: Anhui Xingluo Construction Group Co ltd
Current assignee: Anhui Xingluo Construction Group Co ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-05-22
Anticipated expiration: 2029-06-24

Abstract

The utility model relates to a public road bridge roof beam technical field discloses a net structure is prevented throwing by highway bridge steel guardrail, can make the installation of stand more stable to this improves and prevents throwing the stability of net. The utility model has the advantages of it is following and effect: including a plurality of stands that the interval set up, it is adjacent be connected with the protection network between the stand, the bottom of stand is equipped with the mounting base that is used for installing the stand, the mounting base include with stand fixed connection's mounting panel and bury underground and with the built-in fitting of mounting panel joint, fixedly connected with joint spare on the lower surface of mounting panel, seted up on the upper surface of built-in fitting with joint spare joint complex joint groove.

Description

Net structure is prevented throwing by highway bridge steel guardrail

Technical Field

The utility model relates to a public road bridge roof beam technical field, in particular to net structure is prevented throwing by highway bridge girder steel guardrail.

Background

In order to prevent dangerous accidents of vehicles below caused by throwing objects, anti-throwing nets are usually arranged on the overpass bridges of the expressway.

At present, a Chinese utility model patent with the publication number of CN205663301U discloses an anti-throwing net, which comprises a stand column, a frame, a net piece, an elbow and a barbed rope, wherein the top end of the stand column is fixedly connected with a V-shaped or C-shaped bracket consisting of two symmetrically arranged elbows, a plurality of barbed ropes are horizontally connected between the brackets of adjacent stand columns, the novel protective net further comprises a barbed rope blade net formed by winding the barbed ropes into a spiral shape, the barbed rope blade net is arranged among a plurality of horizontally arranged barbed ropes, and the net piece consisting of a mesh net is fixed in the frame of a rectangle to form the protective net; the nodes of the net sheets are provided with sunflower type blocking pieces.

The technical scheme is provided with the sunflower type barrier, so that the protective net cannot climb, and the safety of the protective net is effectively improved; but has the following disadvantages: the installation is prevented throwing and is required prefabricated cement stake when net, then pegs graft stand and prefabricated cement stake, and then makes the stand easily take out from prefabricated cement stake, has influenced the stability of preventing throwing the net, for this reason, needs a highway bridge steel guardrail to prevent throwing the net structure urgently, can make the installation of stand more stable to this improves the stability of preventing throwing the net.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a net structure is prevented throwing by highway bridge steel guardrail can make the installation of stand more stable to this improves and prevents throwing the stability of net.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a net structure is prevented throwing by highway bridge steel guardrail, includes a plurality of stands that the interval set up, and is adjacent be connected with the protection network between the stand, the bottom of stand is equipped with the mounting base that is used for installing the stand, the mounting base include with stand fixed connection's mounting panel and bury underground in the underground and with the built-in fitting of mounting panel joint, fixedly connected with joint spare on the lower surface of mounting panel, seted up on the upper surface of built-in fitting with joint spare joint complex joint groove.

When the anti-throwing net is installed, the embedded part is buried underground by adopting the technical scheme, and then the clamping part on the installation plate is clamped and matched with the clamping groove on the embedded part, so that the fixed installation of the upright post is realized; the joint cooperation in joint spare and joint groove makes the installation of stand more stable to this stability of preventing throwing the net has been improved.

The utility model discloses further set up to, the quantity of joint spare is two, and two common fixedly connected with spacing spring between the joint spare, one side fixedly connected with joint portion of spacing spring is kept away from to the joint spare, the bottom in joint groove seted up with joint portion joint complex joint chamber, the joint spare is made by regeneration PE material.

By adopting the technical scheme, when the clamping piece is inserted into the clamping groove from top to bottom, because the clamping piece made of the regenerated PE material has certain elasticity, the clamping part transmits force to the clamping piece when being extruded by the side wall of the clamping groove, so that the clamping piece is continuously close to the clamping part, and the limiting spring is extruded to be compressed and deformed; when the joint spare got into the joint groove completely, joint portion got into the joint chamber, and joint portion both sides no longer receive the extrusion this moment, and spacing spring becomes back to original length state to this makes joint spare joint in the joint groove steadily, thereby has improved the stability of stand.

The utility model discloses further set up to, fixedly connected with sealing member on the lower surface of mounting panel, seted up on the upper surface of built-in fitting with sealing member joint complex seal groove.

Through adopting above-mentioned technical scheme, be equipped with joint complex sealing member and seal groove, further improve the compactness of being connected between mounting panel and the built-in fitting, and then improve the stability of stand.

The utility model discloses further set up to, fixedly connected with toper piece on the lower surface of built-in fitting, the week side of toper piece is provided with anti-skidding line.

By adopting the technical scheme, the conical block is fixedly connected to the lower surface of the embedded part, and when the embedded part is embedded, the sharp part of the conical block faces downwards, so that the embedded part is embedded and installed quickly; the anti-slip lines can increase the friction force between the conical block and the outside, so that the stability of the embedded part is improved.

The utility model discloses further set up to, all sides fixedly connected with net frame of protection network, the complex slot of pegging graft with the net frame has all been seted up to the both sides of stand, the top fixedly connected with fixed plate of stand.

By adopting the technical scheme, the installation and the disassembly between the protective net and the upright post are facilitated by utilizing the insertion fit of the net frame and the slot, and the transportation of the anti-throwing net are facilitated by conveniently disassembling and assembling the net frame and the upright post; after the upright post and the net frame are spliced, the fixing plate is fixed at the top of the upright post, so that the net frame can be prevented from being drawn out of the upright post, and the normal use of the anti-throwing net is ensured.

The utility model discloses further set up to, the switching-over groove has been seted up to the side of stand, the switching-over groove with the cross sectional shape of slot the same and with the cooperation of pegging graft of screen frame.

In the installation environment that is equipped with the turning, through adopting above-mentioned technical scheme, the corner concatenation of protection network is realized to the joint cooperation in accessible net frame and switching-over groove to this makes prevent throwing the net applicable in the corner region, and then has improved the practicality of preventing throwing the net.

The utility model discloses further set up to, the slot reaches all set up flutedly on the inner wall in switching-over groove, fixedly connected with and recess grafting complex flange on the screen frame.

Through adopting above-mentioned technical scheme, be equipped with mutual joint complex recess and flange, can further improve the stability of being connected between stand and the net frame to this stability of preventing throwing the net has been improved.

The utility model discloses further set up to, the outside fixedly connected with damping spring of protection network, damping spring keeps away from the tip fixedly connected with shock attenuation board of protection network.

When the object is thrown and falls on the protective net, through adopting above-mentioned technical scheme, the shock attenuation board receives the produced impact force of object throwing at first, then transmits the impact force to damping spring, and damping spring can produce elastic deformation this moment to this impact force that can cut down part, and then plays the effect of protection protective net, has prolonged the life of protective net.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the anti-throwing net is installed, the embedded part is buried underground, and the clamping part on the installation plate is clamped and matched with the clamping groove on the embedded part, so that the vertical column is fixedly installed; the clamping pieces are matched with the clamping grooves in a clamping mode, so that the stand columns are more stably installed, and the stability of the anti-throwing net is improved;

2. in the scheme, the clamping cooperation of the clamping piece and the clamping groove and the clamping cooperation of the clamping part and the clamping cavity are utilized, so that the connection stability between the mounting plate and the embedded part is further improved, and the stability of the anti-throwing net is improved;

3. in the scheme, the conical block is arranged on the lower surface of the embedded part, and when the embedded part is embedded, the sharp part of the conical block faces downwards, so that the embedded part is embedded and installed quickly; the anti-slip lines can increase the friction force between the conical block and the outside, so that the stability of the embedded part is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic structural view of a pillar in the embodiment;

FIG. 3 is a schematic view showing the structure of a shock absorbing spring according to the embodiment;

fig. 4 is a schematic structural view of the mounting base in the embodiment.

In the figure: 1. a column; 11. a slot; 111. a groove; 12. a reversing slot; 13. a fixing plate; 2. a protective net; 21. a damping spring; 211. a damper plate; 22. a screen frame; 221. a flange; 3. mounting a base; 31. mounting a plate; 311. a seal member; 312. a clamping piece; 313. a clamping part; 314. a limiting spring; 32. embedding parts; 321. a sealing groove; 322. a clamping groove; 323. a clamping cavity; 4. a conical block; 41. and (4) anti-skid lines.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a net structure is prevented throwing by express highway bridge steel guardrail, including a plurality of stands 1, stand 1 is rectangular bodily form structure, and stand 1 is vertical to be set up subaerial, combine fig. 2 to show, slot 11 has all been seted up on the both sides of the great area of stand 1, slot 11 is rectangular bodily form, and the length direction of slot 11 is unanimous with the length direction of stand 1, in this embodiment, arbitrary stand 1 all corresponds and is equipped with four slots 11, and two liang of distributions in the both sides of stand 1 of four slots 11. A protective net 2 is connected between the adjacent upright posts 1, the protective net 2 is of a metal net structure, and an anti-corrosion layer (not shown) is sprayed on the outer surface of the protective net 2, so that the anti-corrosion performance of the protective net 2 is improved, and the service life of the protective net is prolonged. The periphery of the protection net 2 is fixedly connected with a net frame 22, the net frame 22 is of a rectangular frame structure, and the longer side of the net frame 22 is in inserting fit with the slot 11, so that the installation and the disassembly between the protection net 2 and the upright post 1 are facilitated, and the carrying and the transportation work of the anti-throwing net are further facilitated. The reversing grooves 12 are formed in the two sides of the smaller area of the stand column 1, the reversing grooves 12 are identical to the cross-sectional shapes of the slots 11, the reversing grooves 12 are matched with the longer side of the net frame 22 in a splicing mode, the two protective nets 2 can be matched with the slots 11 of the stand column 1 and the reversing grooves 12 in a splicing mode respectively, and then the right-angle type splicing of the two protective nets 2 is achieved, so that the anti-throwing net is applicable to a corner area, and the practicability of the anti-throwing net is improved. The top fixedly connected with fixed plate 13 of stand 1, fixed plate 13 are rectangle platelike structure, and fixed plate 13 level sets up, accomplishes the grafting cooperation back between stand 1 and the screen frame 22, and the accessible is at the top welding fixed plate 13 of stand 1, fixes screen frame 22 in slot 11 or switching-over groove 12 to this can prevent that screen frame 22 from taking out from stand 1, has guaranteed the normal use of preventing throwing the net.

As shown in fig. 2, the inner walls of the slot 11 and the reversing slot 12 are both provided with a groove 111, the cross section of the groove 111 is isosceles trapezoid, and the length direction of the groove 111 is the same as the length direction of the upright post 1. One side of the net frame 22 is fixedly connected with a flange 221, the section shape of the flange 221 is the same as that of the groove 111, the length direction of the flange 221 is consistent with that of the upright post 1, and the flange 221 is matched with the groove 111 in a clamping mode, so that the connection stability between the upright post 1 and the net frame 22 is further improved.

As shown in fig. 3, a plurality of damping springs 21 are fixedly connected to the outer side of the protection net 2, the damping springs 21 are symmetrically distributed along the central axis of the protection net 2, the damping plate 211 is fixedly connected to the end portion of the damping spring 21 far away from the protection net 2, the damping plate 211 is of an arc-shaped plate-shaped structure, and the arc line of the damping plate 211 is bent to the side close to the protection net 2. When an object is thrown onto the protection net 2, the damping plate 211 firstly receives the impact force generated by the throwing of the object, and then transmits the impact force to the damping spring 21, and at this time, the damping spring 21 can generate elastic deformation, so that part of the impact force can be reduced, and the protection net 2 is protected.

As shown in fig. 4, the bottom end of the upright post 1 is provided with a mounting base 3, the mounting base 3 includes a mounting plate 31 and an embedded part 32, the mounting plate 31 is a rectangular plate-shaped structure, and the upper surface of the mounting plate 31 is fixedly connected with the lower surface of the upright post 1. The embedded part 32 is of a rectangular parallelepiped structure, the shape of the cross section of the embedded part 32 is the same as that of the cross section of the mounting plate 31, the embedded part 32 is buried underground, and the upper surface of the embedded part 32 abuts against the lower surface of the mounting plate 31. Fixedly connected with joint piece 312 on the lower surface of mounting panel 31, joint piece 312 is rectangular bodily form structure, and the quantity of joint piece 312 is two, two joint pieces 312 along the axis symmetric distribution of mounting panel 31, joint piece 312 is made by regeneration PE material, certain elasticity has, common fixedly connected with spacing spring 314 between two joint pieces 312, spacing spring 314 level sets up, and the both ends of spacing spring 314 respectively with the opposite face fixed connection of two joint pieces 312. The equal integrated into one piece in one side that spacing spring 314 was kept away from to two joint spare 312 has joint portion 313, and joint portion 313 is right angle triangular prism shape structure, the right angle face and the joint spare 312 fixed connection of joint portion 313.

As shown in fig. 4, the upper surface of the embedded part 32 is provided with a clamping groove 322, the clamping groove 322 is rectangular, the clamping groove 322 is clamped and matched with the clamping part 312, and the clamping groove 322 is communicated with the outside of the embedded part 32, so that the clamping part 312 can be conveniently inserted into the clamping groove 322. Clamping cavity 323 is all seted up to the bottom both sides of joint groove 322, and clamping cavity 323 communicates with the inside of joint groove 322, and the cross-section in clamping cavity 323 is right triangle, and clamping cavity 323 cooperates with joint portion 313 joint. When the anti-throwing net is installed, the clamping piece 312 is gradually inserted into the clamping groove 322 from the top of the clamping groove 322 downwards, and due to the fact that the clamping piece 312 has certain elasticity, the clamping portion 313 is extruded by the side wall of the clamping groove 322, force is transmitted to the clamping piece 312, the clamping piece 312 is continuously close to the clamping portion, and the limiting spring 314 is extruded to generate compression deformation; when the clamping member 312 is completely clamped with the clamping groove 322, the clamping portion 313 can completely enter the clamping cavity 323, the two sides of the clamping portion 313 are not extruded at the moment, and the limiting spring 314 returns to the original long state, so that the clamping member 312 is stably clamped in the clamping groove 322, and the stability of the upright post 1 is improved.

As shown in fig. 4, a sealing member 311 is fixedly connected to a lower surface of the mounting plate 31, the sealing member 311 is made of a rubber material, the sealing member 311 has a rectangular frame structure, and the engaging member 312 is located inside a frame body of the sealing member 311. The upper surface of the embedded part 32 is provided with a sealing groove 321, the shape of the sealing groove 321 is similar to that of the sealing part 311, and the sealing groove 321 is in clamping fit with the sealing part 311, so that the tightness of connection between the mounting plate 31 and the embedded part 32 can be improved, and the stability of the upright post 1 is further improved. The conical block 4 is fixedly connected to the lower surface of the embedded part 32, the bottom surface of the conical block 4 is fixedly connected with the embedded part 32, and the sharp part of the conical block 4 faces downwards, so that the embedded part 32 can be embedded more quickly; the anti-skid grains 41 are arranged on the peripheral side of the conical block 4, the anti-skid grains 41 are uniformly wound on the peripheral side of the conical block 4, and the friction force between the outside of the conical block 4 can be increased, so that the stability of the embedded part 32 is improved.

When the anti-throwing net is installed, the clamping pieces 312 are gradually inserted into the clamping grooves 322 from the tops of the clamping grooves 322 downwards, and due to the fact that the clamping pieces 312 have certain elasticity, the clamping portions 313 are extruded by the side walls of the clamping grooves 322 and then transmit force to the clamping pieces 312, so that the upper clamping pieces 312 continuously approach to each other, and the limiting springs 314 are extruded to generate compression deformation; when the clamping member 312 is completely clamped with the clamping groove 322, the clamping portion 313 can completely enter the clamping cavity 323, the two sides of the clamping portion 313 are not extruded at the moment, and the limiting spring 314 returns to the original long state, so that the clamping member 312 is stably clamped in the clamping groove 322, and the stability of the upright post 1 is improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a net structure is prevented throwing by highway bridge steel guardrail, includes a plurality of stands (1) that the interval set up, and is adjacent be connected with protection network (2), characterized by between stand (1): the bottom of stand (1) is equipped with mounting base (3) that are used for installing stand (1), mounting base (3) include with stand (1) fixed connection's mounting panel (31) and bury underground and with built-in fitting (32) of mounting panel (31) joint, fixedly connected with joint (312) on the lower surface of mounting panel (31), seted up on the upper surface of built-in fitting (32) with joint (312) joint complex joint groove (322).

2. The expressway bridge steel guardrail net-throwing preventing structure as recited in claim 1, wherein the net-throwing preventing structure comprises: the quantity of joint spare (312) is two, and two common fixedly connected with spacing spring (314) between joint spare (312), one side fixedly connected with joint portion (313) of spacing spring (314) are kept away from in joint spare (312), the bottom in joint groove (322) is seted up with joint portion (313) joint complex joint chamber (323), joint spare (312) are made by regeneration PE material.

3. The expressway bridge steel guardrail net-throwing preventing structure as recited in claim 1, wherein the net-throwing preventing structure comprises: fixedly connected with sealing member (311) on the lower surface of mounting panel (31), seted up on the upper surface of built-in fitting (32) with sealing member (311) joint complex seal groove (321).

4. The expressway bridge steel guardrail net-throwing preventing structure as recited in claim 1, wherein the net-throwing preventing structure comprises: the lower surface of the embedded part (32) is fixedly connected with a conical block (4), and anti-skid grains (41) are arranged on the peripheral side of the conical block (4).

5. The expressway bridge steel guardrail net-throwing preventing structure as recited in claim 1, wherein the net-throwing preventing structure comprises: all sides fixedly connected with net frame (22) of protection network (2), slot (11) with net frame (22) grafting complex have all been seted up to the both sides of stand (1), the top fixedly connected with fixed plate (13) of stand (1).

6. The expressway bridge steel guardrail net-throwing preventing structure as recited in claim 5, wherein the net-throwing preventing structure comprises: the side surface of the upright post (1) is provided with a reversing groove (12), and the reversing groove (12) has the same shape with the section of the slot (11) and is in splicing fit with the screen frame (22).

7. The expressway bridge steel guardrail net-throwing preventing structure as recited in claim 6, wherein the net-throwing preventing structure comprises: grooves (111) are formed in the inner walls of the insertion grooves (11) and the reversing grooves (12), and flanges (221) which are matched with the grooves (111) in an inserted mode are fixedly connected to the net frame (22).

8. The expressway bridge steel guardrail net-throwing preventing structure as recited in claim 1, wherein the net-throwing preventing structure comprises: the damping device is characterized in that a damping spring (21) is fixedly connected to the outer side of the protective net (2), and a damping plate (211) is fixedly connected to the end, far away from the protective net (2), of the damping spring (21).