CN112160275B - Highway rail guard of reinforcement type - Google Patents
Highway rail guard of reinforcement type Download PDFInfo
- Publication number
- CN112160275B CN112160275B CN202011191598.9A CN202011191598A CN112160275B CN 112160275 B CN112160275 B CN 112160275B CN 202011191598 A CN202011191598 A CN 202011191598A CN 112160275 B CN112160275 B CN 112160275B
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- rectangular
- flanges
- guardrail plate
- breast board
- plate
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
- E01F15/088—Details of element connection
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a reinforced road guardrail, which comprises a front guardrail plate and a rear guardrail plate, wherein first flanges are arranged at the top and the bottom of the front guardrail plate in a cavity, second flanges are extended from the end parts of the first flanges, third flanges are arranged at the top and the bottom of the rear guardrail plate in the cavity, fourth flanges are extended from the end parts of the third flanges, the guardrail further comprises two rectangular strips, each rectangular strip is provided with a rectangular through hole, a sliding groove is formed in the end surface of each rectangular strip and communicated with the rectangular through hole, the two first flanges are respectively tightly attached to one side surfaces of the two sliding grooves, the two third flanges are respectively attached to the other side surfaces of the two sliding grooves, a plurality of tension springs are arranged between the two rectangular strips at intervals, the two second flanges are respectively attached to the side surfaces of the rectangular through holes, and the two fourth flanges are respectively attached to the side surfaces of the rectangular through holes, wherein the sliding grooves are formed in the rectangular through holes. The invention solves the technical problem of lower strength of the conventional road protective guard.
Description
Technical Field
The invention relates to the technical field of highway protective guards, in particular to a reinforced highway protective guard.
Background
The protective structure of the safety protective guard beside the existing road is generally a protective plate, the protective plate is mostly bent by a metal material to form an arc-shaped plate structure, the arc-shaped plate structure can provide certain buffer force to reduce impact injury, but the existing protective plate generally comprises a single-layer metal plate, the strength of the protective plate is lower, the impact process plays a poor buffer effect, and meanwhile, when the impact force is great, the vehicle cannot be prevented from rushing out of the road.
In the prior art, the problem is also improved, and chinese patent CN106638385A discloses a reinforced road guard fence, which comprises a vertical column, wherein the vertical column is fixedly connected with the guard fence through a connecting support, the guard fence is composed of two opposite front fence plates and rear fence plates, the front fence plates and the rear fence plates are vertical metal plates, arc line plates are bent and formed on the upper and lower sides of the metal plates, and the middle parts of the front fence plates and the middle parts of the rear fence plates are welded and fixed together; the last, lower both ends of preceding breast board respectively with the back breast board on, both ends fixed connection down, the shaping has oval-shaped vallecular cavity between preceding breast board and the back breast board, the reinforcement of ladder shape has all been pegged graft in the vallecular cavity between preceding breast board and the back breast board, the reinforcement includes two horizontally round steel muscle, two round steel muscle support respectively lean on in the vallecular cavity between preceding breast board and back breast board on, on the arc inner wall at lower both ends and through welded fastening in preceding breast board or back breast board, be equipped with a plurality of vertical extension springs between the round steel muscle, the both ends welded fastening of extension spring is on the round steel muscle.
This patent adopts two relative guardrail boards (preceding guardrail board and back guardrail board) welded fastening, and two guardrail boards can strengthen the intensity of rail guard, and the elastic deformation ability of the arc plate portion on its guardrail board also strengthens simultaneously, sets up the reinforcement again simultaneously, and the round steel bar on the reinforcement strengthens the anti intensity of buckling between the adjacent rail guard of joint strength and rail guard itself to set up the arc plate upper and lower side on the extension spring restraint guardrail board, also can strengthen elastic deformation's ability. However, the invention still has the following technical problems: 1) when the guardrail is assembled, the middle parts of the front and rear side plates, the two round steel bars and the groove cavities, and the tension spring and the round steel bars are connected in a welding mode, however, the overall length of the guardrail is long, the oval groove cavities are relatively sealed cavities, the welding difficulty is high, and the assembly efficiency is greatly reduced; 2) all adopt the welded mode to be connected between two round steel muscle and the vallecular cavity, between extension spring and the round steel muscle, lead to the extension spring to change very hardly, can appear rustting or damage the phenomenon after the extension spring uses for a long time, influence the reinforcement effect of rail guard.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a reinforced road guardrail, which comprises the steps of temporarily fixing the middle part of a front railing panel and the middle part of a rear railing panel, temporarily clamping the upper and lower ends of the front railing panel with the upper and lower sides of the rear railing panel respectively, inserting two rectangular strips and a plurality of tension springs into a cavity as a whole, enabling the two first flanges to be tightly attached to one side surfaces of two sliding chutes respectively through reasonably setting the thicknesses of the first flanges and the third flanges and the widths of the sliding chutes, enabling the two third flanges to be tightly attached to the other side surfaces of the two sliding chutes respectively, enabling the two second flanges to be tightly attached to the side surfaces of the rectangular through holes provided with the sliding chutes respectively through the tension of the two rectangular strips by the tension springs, enabling the two fourth flanges to be tightly attached to the side surfaces of the rectangular through holes provided with the sliding chutes respectively, and fixedly connecting the upper and lower ends of the front railing panel with the upper and lower ends of the rear railing panel respectively, the middle part of the front breast board is fixedly connected with the middle part of the rear breast board, so that the assembly of the invention is completed, welding is not needed in the whole process, and the assembly efficiency is higher; when the tension springs need to be replaced, only the two rectangular strips and the tension springs need to be taken out of the cavity, so that the device is convenient and efficient; outside tension is all preset to the upper and lower both sides of preceding breast board and the upper and lower both sides of back breast board for the upper and lower both ends of preceding breast board can respectively with the firmer connection at the upper and lower both ends of back breast board.
In order to achieve the purpose, the invention adopts the technical scheme that:
a reinforced road guardrail comprises a stand column, wherein the stand column is fixedly connected with a guardrail plate through a connecting support, the guardrail plate comprises a front guardrail plate and a rear guardrail plate, the middle part of the front guardrail plate is connected with the middle part of the rear guardrail plate, the upper end and the lower end of the front guardrail plate are respectively connected with the upper end and the lower end of the rear guardrail plate, two cavities are formed between the front guardrail plate and the rear guardrail plate, outward tension is preset on the upper side and the lower side of the front guardrail plate and the upper side and the lower side of the rear guardrail plate, first flanges are arranged at the top and the bottom of the front guardrail plate in the cavities, the end part of each first flange extends towards the direction close to the front guardrail plate, third flanges are arranged at the top and the bottom of the rear guardrail plate in the cavities, a fourth flange extends towards the direction close to the rear guardrail plate, the guardrail further comprises two rectangular strips, and a rectangular through hole is formed in each rectangular strip along the length direction of the rectangular through holes, the terminal surface of rectangle strip is equipped with a spout along its length direction, the spout runs through the relative both sides face of rectangle strip, the spout is linked together with the rectangle through-hole, two first turn-ups closely laminates with a side of two spouts respectively, two the third turn-ups closely laminates with the another side of two spouts respectively, two the interval is equipped with a plurality of extension springs, two between the rectangle strip the second turn-ups closely laminates with the side that the rectangle through-hole was equipped with the spout respectively, two the fourth turn-ups closely laminates with the side that the rectangle through-hole was equipped with the spout respectively.
Preferably, one end of the rectangular strip extends out of one end face of the breast board, an inserting plate in the shape of a cuboid protrudes from the other end of the rectangular strip along the length of the rectangular strip, one end of the inserting plate is tightly inserted into one end of the rectangular through hole, and part of the inserting plate is positioned outside the cavity.
Preferably, two opposite end faces of the middle part of the front breast board are respectively welded and fixed with two opposite end faces of the middle part of the rear breast board.
Preferably, the connecting support is shaped like Contraband, the connecting support is fixed in the middle of the rear breast board, and two ends of the connecting support are respectively welded and fixed on two opposite sides of the upright post.
Preferably, two all be equipped with a plurality of couples on the relative both ends face of rectangle strip, couple on the rectangle strip sets up along the even interval of length direction of rectangle strip, the relative both ends of extension spring are hung respectively and are put on the couple of two rectangle strips.
The invention has the beneficial effects that:
1) the middle part of the front breast board and the middle part of the rear breast board are temporarily fixed, the upper end and the lower end of the front breast board are respectively and temporarily clamped with the upper side and the lower side of the rear breast board, then two rectangular strips and a plurality of tension springs are inserted into the cavity as a whole, the two first flanges are respectively and tightly attached to one side surface of the two sliding chutes by reasonably setting the thicknesses of the first flanges and the third flanges and the widths of the sliding chutes, the two third flanges are respectively and tightly attached to the other side surfaces of the two sliding chutes, the two second flanges are respectively and tightly attached to the side surface of the rectangular through hole provided with the sliding chutes by tension of the plurality of tension springs on the two rectangular strips, the two fourth flanges are respectively and tightly attached to the side surface of the rectangular through hole provided with the sliding chutes, and then the upper end and the lower end of the front breast board are respectively and fixedly connected with the upper end and the lower end of the rear breast board and the middle part of the front breast board and the middle part of the rear breast board can be fixedly connected with the middle part of the rear breast board, therefore, the assembly of the invention is completed, welding is not needed in the whole process, and the assembly efficiency is higher; when the tension springs need to be replaced, only the two rectangular strips and the tension springs need to be taken out of the cavity, so that the device is convenient and efficient; outside tension is all preset to the upper and lower both sides of preceding breast board and the upper and lower both sides of back breast board for the upper and lower both ends of preceding breast board can respectively with the firmer connection at the upper and lower both ends of back breast board.
2) One end of the plugboard is tightly spliced with one end of the rectangular through hole, and part of the plugboard is positioned outside the cavity body and can limit the movement of the rectangular strip, so that when the plugboard is contacted with the first flanging, the second flanging, the third flanging or the fourth flanging, the rectangular strip is well moved to the optimal position (the optimal position refers to the distance of the rectangular strip extending out of the baffle plate as the optimal distance); the rectangular through hole cooperation alright realize the grafting of adjacent breast board of plugboard and adjacent rectangle strip, and is simple high-efficient.
3) The relative both ends face at preceding breast board middle part respectively with the relative both ends face welded fastening at back breast board middle part, not only played the effect of the middle part of with preceding breast board and the middle part temporary fixation of back breast board, can make the middle part of preceding breast board and the middle part fixed connection better of back breast board moreover, more importantly, carries out welding operation at the terminal surface of preceding breast board and back breast board, and the welding degree of difficulty is lower.
4) The two opposite end faces of the two rectangular strips are respectively provided with the plurality of hooks, and the two opposite ends of the tension spring are respectively hung on the hooks of the two rectangular strips, so that on one hand, the disassembly and assembly between the tension spring and the rectangular strips are convenient, and on the other hand, when the two rectangular strips and the plurality of tension springs are integrally inserted into the cavity, the mode of inserting the tension springs at the sides of the rectangular strips in a hanging manner can be adopted, and the disassembly and assembly of the invention are convenient.
Drawings
FIG. 1 is a schematic view illustrating an overall structure of a reinforced type road guard rail according to the present invention;
FIG. 2 is a schematic plan view illustrating the assembly of a front fence panel and a rear fence panel in the reinforced type road guard rail according to the present invention;
FIG. 3 is an enlarged fragmentary view at A of FIG. 2;
FIG. 4 is a schematic view illustrating the assembly of rectangular bars and insertion plates in a reinforced type road guard rail according to the present invention;
fig. 5 is an assembled perspective view of a front fence and a rear fence in a reinforced type road guard rail according to the present invention.
In the figure: 1. a column; 2. connecting a bracket; 3. a breast board; 4. a cavity; 5. a tailgate; 6. a front breast board; 7. a first flanging; 8. second flanging; 9. third flanging; 10. a fourth flanging; 11. a rectangular strip; 12. a rectangular through hole; 13. a chute; 14. a plugboard; 15. a tension spring.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1 to 5, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The invention provides a reinforced road protective guard.
A reinforced highway guardrail comprises a stand column 1, wherein the stand column 1 is fixedly connected with a breast board 3 through a connecting support 2, the breast board 3 comprises a front breast board 6 and a rear breast board 5, the middle part of the front breast board 6 is connected with the middle part of the rear breast board 5, the upper end and the lower end of the front breast board 6 are respectively connected with the upper end and the lower end of the rear breast board 5, two cavities 4 are formed between the front breast board 6 and the rear breast board 5, outward tension is preset on the upper side and the lower side of the front breast board 6 and the upper side and the lower side of the rear breast board 5, first flanges 7 are arranged at the top and the bottom of the front breast board 6 in the cavities 4, second flanges 8 extend towards the front breast board 6 from the end parts of the first flanges 7, third flanges 9 are arranged at the top and the bottom of the rear breast board 5 in the cavities 4, fourth flanges 10 extend towards the rear breast board 5 from the end parts of the third flanges 9, and the guardrail further comprises two rectangular strips 11, rectangular strip 11 is equipped with a rectangle through-hole 12 along its length direction, rectangular strip 11's terminal surface is equipped with a spout 13 along its length direction, spout 13 runs through rectangular strip 11's relative both sides face, spout 13 is linked together with rectangular through-hole 12, two first turn-ups 7 closely laminate with a side of two spout 13 respectively, two third turn-ups 9 closely laminate with the another side of two spout 13 respectively, the interval is equipped with a plurality of extension springs 15 between two rectangular strip 11, two second turn-ups 8 closely laminate with the side that rectangular through-hole 12 was equipped with spout 13 respectively, two fourth turn-ups 10 closely laminate with the side that rectangular through-hole 12 was equipped with spout 13 respectively.
In the technical scheme provided by the application, the middle part of the front breast board 6 and the middle part of the rear breast board 5 are temporarily attached and fixed, after the middle part of the front breast board 6 and the middle part of the rear breast board 5 are temporarily attached and fixed, at the moment, the upper side and the lower side of the front breast board 6 incline towards the direction far away from the rear breast board 5, the upper side and the lower side of the rear breast board 5 incline towards the direction far away from the front breast board 6, so that a certain gap is reserved between the top end and the bottom end of the front breast board 6 and between the top end and the bottom end of the rear breast board 5, further, the upper side and the lower side of the front breast board 6 and the upper side and the lower side of the rear breast board 5 are preset with outward tension, the upper end and the lower end of the front breast board 6 are respectively and temporarily clamped with the upper side and the lower side of the rear breast board 5, then, the two rectangular strips 11 and the plurality of tension springs 15 are integrally inserted into the cavity 4, and the thickness of the third flanging 9 and the width of the sliding grooves 13 are reasonably arranged, so that the two first flanging 7 are respectively and tightly attached to one side of the two sliding grooves 13, the two third flanges 9 are respectively tightly attached to the other side surfaces of the two sliding grooves 13, and the two second flanges 8 are respectively tightly attached to the side surfaces of the rectangular through holes 12, which are provided with the sliding grooves 13, through the tension of the tension springs 15 on the two rectangular strips 11, and the two fourth flanges 10 are respectively tightly attached to the side surfaces of the rectangular through holes 12, which are provided with the sliding grooves 13, so that the upper end and the lower end of the front fence 6 are respectively fixedly connected with the upper end and the lower end of the rear fence 5, and the middle part of the front fence 6 is fixedly connected with the middle part of the rear fence 5, and therefore, the assembly of the invention is completed, welding is not needed in the whole process, and the assembly efficiency is higher; when the tension springs 15 need to be replaced, only the two rectangular strips 11 and the tension springs 15 need to be taken out of the cavity 4, so that the device is convenient and efficient; outside tension has all been preset to the upper and lower both sides of preceding breast board 6 and the upper and lower both sides of back breast board 5 for the upper and lower both ends of preceding breast board 6 can respectively with the firmer connection at the upper and lower both ends of back breast board 5.
Preferably, one end of the rectangular strip 11 extends out of one end face of the baffle 3, the opposite end of the rectangular strip 11 protrudes along the length thereof with a plug board 14 in the shape of a cuboid, one end of the plug board 14 is tightly plugged with one end of the rectangular through hole 12, and part of the plug board 14 is positioned outside the cavity 4. One end of the plugboard 14 is tightly plugged with one end of the rectangular through hole 12, and part of the plugboard 14 is positioned outside the cavity 4 and can limit the movement of the rectangular strip 11, so that when the plugboard 14 is contacted with the first flanging 7, the second flanging 8, the third flanging 9 or the fourth flanging 10, the rectangular strip 11 is cut and moved to an optimal position (the optimal position refers to the distance from the rectangular strip 11 to the breast board 3 as an optimal distance); the plugging plate 14 is matched with the rectangular through hole 12 of the adjacent rectangular strip 11 to realize the plugging of the adjacent breast board 3, and the method is simple and efficient.
Preferably, two opposite end faces of the middle part of the front breast board 6 are respectively welded and fixed with two opposite end faces of the middle part of the rear breast board 5. The relative both ends face in front breast board 6 middle part respectively with the relative both ends face welded fastening in back breast board 5 middle part, not only played the effect of the middle part of front breast board 6 and the middle part temporary fixation of back breast board 5, can make the middle part of front breast board 6 and the middle part fixed connection of back breast board 5 better moreover, more importantly, carry out welding operation at the terminal surface of front breast board 6 and back breast board 5, the welding degree of difficulty is lower.
Preferably, the connecting bracket 2 is shaped like Contraband, the connecting bracket 2 is fixed in the middle of the tailgate 5, and two ends of the connecting bracket 2 are respectively welded and fixed on two opposite sides of the upright post 1.
Preferably, a plurality of hooks (not shown) are arranged on two opposite end faces of the two rectangular strips 11, the hooks on the rectangular strips 11 are uniformly arranged at intervals along the length direction of the rectangular strips 11, and two opposite ends of the tension spring 15 are respectively hung on the hooks of the two rectangular strips 11. The two opposite end faces of the two rectangular strips 11 are respectively provided with the plurality of hooks, and the two opposite ends of the tension spring 15 are respectively hung on the hooks of the two rectangular strips 11, so that on one hand, the dismounting between the tension spring 15 and the rectangular strips 11 is facilitated, and on the other hand, when the two rectangular strips 11 and the plurality of tension springs 15 are integrally inserted into the cavity 4, the mode of inserting the rectangular strips 11 and hanging the tension springs 15 can be adopted, so that the dismounting of the invention is facilitated.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (4)
1. A reinforced road guardrail comprises a stand column, wherein the stand column is fixedly connected with a guardrail plate through a connecting support, the guardrail plate comprises a front guardrail plate and a rear guardrail plate, the middle part of the front guardrail plate is connected with the middle part of the rear guardrail plate, the upper end and the lower end of the front guardrail plate are respectively connected with the upper end and the lower end of the rear guardrail plate, two cavities are formed between the front guardrail plate and the rear guardrail plate, the reinforced road guardrail is characterized in that outward tension is preset on the upper side and the lower side of the front guardrail plate and the upper side and the lower side of the rear guardrail plate, first flanges are arranged at the top and the bottom of the front guardrail plate in each cavity, the end parts of the first flanges extend towards the direction close to the front guardrail plate to form second flanges, third flanges are arranged at the top and the bottom of the rear guardrail plate in each cavity, fourth flanges extend towards the direction close to the rear guardrail plate from the end parts of the third flanges, and the guardrail further comprises two rectangular strips, the rectangle strip is equipped with a rectangle through-hole along its length direction, the terminal surface of rectangle strip is equipped with a spout along its length direction, the spout runs through the relative both sides face of rectangle strip, the spout is linked together, two with the rectangle through-hole first turn-ups closely laminates with a side of two spouts respectively, two the third turn-ups closely laminates with the another side of two spouts respectively, two the interval is equipped with a plurality of extension springs, two between the rectangle strip the second turn-ups closely laminates with the side that the rectangle through-hole was equipped with the spout respectively, two the fourth turn-ups closely laminates with the side that the rectangle through-hole was equipped with the spout respectively.
2. The reinforced road protective fence as claimed in claim 1, wherein one end of the rectangular strip extends out of one end surface of the fence plate, and the other opposite end of the rectangular strip is protruded with a plug board in the shape of a rectangular parallelepiped along the length thereof, one end of the plug board is tightly plugged with one end of the rectangular through hole, and part of the plug board is located outside the cavity.
3. The reinforced road protective fence according to claim 2, wherein the connecting bracket is shaped like Contraband, the connecting bracket is fixed at the middle part of the rear fence plate, and two ends of the connecting bracket are respectively welded and fixed at two opposite sides of the upright post.
4. The reinforced road protective fence as claimed in claim 3, wherein a plurality of hooks are arranged on two opposite end faces of the rectangular strips, the hooks on the rectangular strips are uniformly arranged at intervals along the length direction of the rectangular strips, and two opposite ends of the tension spring are respectively hung on the hooks of the two rectangular strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011191598.9A CN112160275B (en) | 2020-10-30 | 2020-10-30 | Highway rail guard of reinforcement type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011191598.9A CN112160275B (en) | 2020-10-30 | 2020-10-30 | Highway rail guard of reinforcement type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112160275A CN112160275A (en) | 2021-01-01 |
| CN112160275B true CN112160275B (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011191598.9A Active CN112160275B (en) | 2020-10-30 | 2020-10-30 | Highway rail guard of reinforcement type |
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| CN (1) | CN112160275B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100558153B1 (en) * | 2005-11-29 | 2006-03-10 | (주)정도엔지니어링 | Median strip |
| KR20080102017A (en) * | 2007-05-17 | 2008-11-24 | 김원주 | Impaction suction bar for road of the double canceling each other structure |
| KR20090093438A (en) * | 2008-02-29 | 2009-09-02 | 한국도로공사 | Median Strip of Guardrail |
| KR20160027702A (en) * | 2014-09-02 | 2016-03-10 | (주)산맥 | Rail frame for guardrailes |
| CN106638385B (en) * | 2016-09-21 | 2018-12-04 | 绍兴柯桥定基转移印花有限公司 | A kind of road guard-rail of reinforcement type |
| CN211229809U (en) * | 2019-12-05 | 2020-08-11 | 刘琼 | Building guardrail for civil engineering |
| CN110847094B (en) * | 2019-12-20 | 2024-05-07 | 江苏国强镀锌实业有限公司 | High-strength protective fence and processing method thereof |
| CN111663439A (en) * | 2020-07-20 | 2020-09-15 | 辽宁忠旺铝合金精深加工有限公司 | Beam column type aluminum alloy highway bridge guardrail |
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2020
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| CN112160275A (en) | 2021-01-01 |
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