CN120425641B - Assembled rail guard - Google Patents
Assembled rail guardInfo
- Publication number
- CN120425641B CN120425641B CN202510934938.9A CN202510934938A CN120425641B CN 120425641 B CN120425641 B CN 120425641B CN 202510934938 A CN202510934938 A CN 202510934938A CN 120425641 B CN120425641 B CN 120425641B
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- handrail tube
- positioning
- groove
- handrail
- assembly hole
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Abstract
The invention discloses an assembled protective fence which comprises at least two upright posts arranged at a preset distance, at least two upright posts, at least one handrail tube, at least one positioning plate and at least one positioning plate, wherein the upright posts are respectively provided with an assembly hole, the positions of the assembly holes correspond to each other, the at least one handrail tube is arranged in the assembly holes, a plurality of first positioning parts are arranged in the area of the handrail tube corresponding to the at least one upright post, the positioning plate is arranged at the position where the upright posts are connected with the handrail tube, a second positioning part is formed at the position, close to the handrail tube, of the positioning plate, and the first positioning parts are abutted to the second positioning parts so as to limit the handrail tube in the length direction of the handrail tube. When the handrail pipe is installed in the assembly hole of the upright post, the first positioning part and the second positioning part are mutually abutted to be aligned and limited in the length extending direction of the handrail pipe, welding is not needed, and stability is good.
Description
Technical Field
The invention relates to the field of buildings, in particular to an assembled protective fence.
Background
In the construction and operation process of the high-speed railway bridge, in order to ensure the safety of constructors and maintainers, protection railings are usually required to be arranged on two sides of the bridge, the conventional protection railings are usually in the form of structural steel and comprise a railing steel upright post, an upper handrail steel pipe, a middle handrail steel pipe, a lower handrail steel pipe and other structures, a handrail hole and an arc-shaped groove for penetrating the handrail steel pipe are formed in the steel upright post, the middle handrail steel pipe and the lower handrail steel pipe penetrate through the hand protection hole of the railing steel upright post, and the upper handrail steel pipe is arranged in the arc-shaped groove of the steel upright post and is fixed in a welding mode. A plurality of shorter handrail steel pipes of the same handrail steel pipe are connected by adopting lining steel pipes, and two ends of the shorter handrail steel pipes are fixedly connected with the upright posts through bolts.
In the current guardrail bar structure, need carry out a large amount of welded fastening, the assembly degree is lower, and material utilization is low. On the other hand, the welding affects the anti-corrosion quality and durability of the components, the connection stability of the handrail steel pipe and the upright post is poor, the transverse movement is easy to generate under the action of vibration and wind load generated by the train, and the structural safety is affected.
Disclosure of Invention
The invention aims to provide an assembled guard rail, wherein when an armrest pipe is installed in an assembly hole of a stand column, a first positioning part and a second positioning part are mutually abutted to be aligned and limited in the length extension direction of the armrest pipe, welding is not needed, and the stability is good.
In order to achieve the above object, an object of the present invention is to provide a fabricated guard rail, including:
at least two upright posts arranged at intervals of a preset distance, wherein the at least two upright posts are respectively provided with an assembly hole, and the positions of the assembly holes are mutually corresponding;
At least one handrail tube, at least one handrail tube is arranged in the assembly hole, and a region of the handrail tube corresponding to at least one upright post is provided with a plurality of first positioning parts;
The positioning plate is arranged at the connection position of the upright post and the handrail tube, a second positioning part is formed at the position, close to the handrail tube, of the positioning plate, and the first positioning part is abutted to the second positioning part so as to limit the handrail tube in the length direction of the handrail tube.
In some embodiments, the first positioning part comprises a plurality of convex teeth arranged at intervals, tooth grooves are formed between adjacent convex teeth, the second positioning part comprises positioning protrusions, the positioning protrusions are matched with the tooth grooves, and the positioning protrusions are abutted in the tooth grooves.
In some embodiments, the top of the positioning plate is provided with a positioning groove, the second positioning part is positioned at the bottom of the positioning groove, and at least one part of the convex teeth is installed in the positioning groove.
In some embodiments, the upright has an anti-rotation hole in communication with the mounting hole, and a portion of the tooth is mounted in the anti-rotation hole when the armrest tube is mounted in the mounting hole.
In some embodiments, the at least one handrail tube comprises a first handrail tube, a second handrail tube and a third handrail tube which are sequentially arranged from top to bottom, the upright post is sequentially provided with a first assembling hole, a second assembling hole and a third assembling hole from top to bottom, the first handrail tube is arranged in the first assembling hole, the second handrail tube is arranged in the second assembling hole, the third handrail tube is arranged in the third assembling hole, the at least one positioning plate comprises a first positioning plate, a second positioning plate and a third positioning plate, the first positioning plate is arranged on one side of the first assembling hole and is suitable for being abutted to the first handrail tube, the second positioning plate is arranged on one side of the second assembling hole and is suitable for being abutted to the second handrail tube, and the third positioning plate is arranged on one side of the third assembling hole and is suitable for being abutted to the third handrail tube.
In some embodiments, the at least one handrail tube comprises a first handrail tube, a second handrail tube and a third handrail tube which are sequentially arranged from top to bottom, the upright post is sequentially provided with a first assembly hole, a second assembly hole and a third assembly hole from top to bottom, the first handrail tube is installed in the first assembly hole, the second handrail tube is installed in the second assembly hole, the third handrail tube is installed in the third assembly hole, the positioning plate is sequentially provided with a first positioning groove, a second positioning groove and a third positioning groove from top to bottom, the positioning plate is installed on one side of the first handrail tube, one side of the second handrail tube and one side of the third handrail tube, part of the first handrail tube is installed in the first positioning groove, part of the second handrail tube is installed in the second positioning groove, and part of the third handrail tube is installed in the third positioning groove.
In some embodiments, the handrail tube comprises a first sub handrail tube having a first insertion slot at one end and a second sub handrail tube having an insertion end that is inserted into the first insertion slot.
In some embodiments, the first sub handrail tube has an anti-rotation groove at one end forming the first insertion groove, the anti-rotation groove being in communication with the first insertion groove, the insertion end of the second sub handrail tube has an anti-rotation protrusion, and the anti-rotation protrusion is inserted into the anti-rotation groove when the insertion end is inserted into the first insertion groove.
In some embodiments, the second sub-handrail tube further comprises a waterproof sleeve arranged outside the insertion end, a second insertion groove is formed between the waterproof sleeve and the insertion end, and when the insertion end of the second sub-handrail tube is inserted into the first insertion groove of the first sub-handrail tube, one end of the first sub-handrail tube, which forms the first insertion groove, is inserted into the second insertion groove.
In some embodiments, the fabricated guard rail further comprises a bottom plate mounted to the bottom of the upright, the bottom plate having a width greater than the width of the upright, and the bottom plate having mounting holes at predetermined locations adapted to be connected to the anchors of the mounting plane.
Drawings
The above features, technical features, advantages and implementation of the present invention will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.
FIG. 1 is a schematic view of the overall structure of a fabricated guard rail of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the posts and locating plates of the fabricated guard rail of the preferred embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the connection of the upright post and the handrail tube of the assembled guard rail according to the preferred embodiment of the present invention;
fig. 4 is a schematic structural view of a first positioning portion of the fabricated guard rail according to the preferred embodiment of the present invention;
FIG. 5 is a schematic view of the structure of the positioning plate of the fabricated guard rail according to the preferred embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of the line A-A of FIG. 5;
FIG. 7 is a schematic view of the construction of a first sub-handrail tube of a fabricated guard rail according to a preferred embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of the line B-B in FIG. 7;
FIG. 9 is a schematic view of the construction of a second sub-handrail tube of the fabricated rail guard of the preferred embodiment of the present invention;
FIG. 10 is a schematic cross-sectional view of the line C-C in FIG. 9;
FIG. 11 is a schematic view of the connection of a first sub-handrail tube and a second sub-handrail tube of a modified embodiment of the fabricated rail guard of the preferred embodiment of the present invention;
FIG. 12 is a schematic view of a modified implementation of the positioning plate of the fabricated guard rail according to the preferred embodiment of the present invention;
Fig. 13 is a schematic structural view of a modified implementation of the post of the assembled guard rail of the preferred embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For simplicity of the drawing, only the parts relevant to the invention are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In this context, unless explicitly stated or limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or communicate between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 13, the present application provides a fabricated type guard rail including at least two columns 10 disposed at a predetermined distance, at least one handrail tube 20, and at least one positioning plate 30. At least two of the columns 10 have fitting holes 11, respectively, and the positions of the fitting holes 11 correspond to each other. At least one handrail tube 20 is installed in the assembly hole 11, and a region of the handrail tube 20 corresponding to at least one upright post 10 is provided with a plurality of first positioning portions 21. The positioning plate 30 is mounted at a position where the upright post 10 is connected with the handrail tube 20, a second positioning portion 31 is formed at a position where the positioning plate 30 is close to the handrail tube 20, and the first positioning portion 21 abuts against the second positioning portion 31 so as to limit the handrail tube 20 in the length direction of the handrail tube 20.
In the present application, when the handrail tube 20 is mounted in the mounting hole 11, the first positioning portion 21 and the second positioning portion 31 abut against each other to be aligned and limited in the length extending direction of the handrail tube 20, and welding is not required, so that stability is good.
Specifically, the fabricated guard rail further includes a first screw 32, and the first screw 32 passes through a preset position of the upright 10 and the positioning plate 30 to fix the positioning plate 30 to one side of the upright 10. Further, screw holes for the first screws 32 to pass through are correspondingly formed in the upright post 10 and the positioning plate 30. In the assembling process, the armrest pipe 20 is installed in the assembling hole 11, and then the positioning plate 30 is fixed to the upright 10 so that the second positioning portion 31 abuts against the first positioning portion 21.
Referring to fig. 1, 3 and 4, specifically, the first positioning portion 21 includes a plurality of teeth 211 disposed at intervals, tooth grooves 212 are formed between adjacent teeth 211, the second positioning portion 31 abuts against the tooth grooves 212, and the second positioning portion 31 cooperates with the tooth grooves 212 to limit the handrail tube 20 in the length direction thereof.
Further, the top of the positioning plate 30 has a positioning groove 33, the second positioning portion 31 is located at the bottom of the positioning groove 33, and at least a portion of the protruding teeth 211 is mounted on the positioning groove 33. The width of the positioning groove 33 is matched with the width of the protruding teeth 211, and when the protruding teeth 211 are installed in the positioning groove 33, the protruding teeth 211 are abutted against the inner wall of the positioning groove 33, so that the handrail tube 20 can be prevented from rotating relative to the upright post 10. It is to be noted that the width as referred to in the present application refers to a direction perpendicular to the axial direction of the handrail tube 20 and parallel to the rail mounting surface.
Referring to fig. 1, 3 and 5, the second positioning portion 31 of the positioning plate 30 includes a positioning protrusion 311, and the positioning protrusion 311 has a structure with a middle high and two sides low. Accordingly, the tooth groove 212 of the first positioning portion 21 has a structure in which an opening gradually decreases in the depth direction. The positioning protrusion 311 is adapted to the tooth slot 212, and the positioning protrusion 311 abuts against the tooth slot 212. Preferably, in a cross section perpendicular to the axial direction of the handrail tube 20, the positioning protrusion 311 has a triangular cross section shape, and correspondingly, the tooth groove 212 has a triangular cross section profile. Referring to fig. 1, in some embodiments, the cross-sectional shapes of the positioning protrusion 311 and the tooth slot 212 are right triangle shapes. Referring to fig. 3, 4 and 5, the cross-sectional shapes of the positioning protrusion 311 and the tooth slot 212 are isosceles triangles.
It should be noted that, in the present application, the positioning protrusion 311 and the tooth groove 212 cooperate with each other, so that, on one hand, the handrail tube 20 can be limited in the axial direction, and, on the other hand, the positioning protrusion 311 and the tooth groove 212 can be positioned with respect to each other, so that the mounting position of the handrail tube 20 can be easily determined, and the assembly accuracy can be improved.
Referring to fig. 13, in some embodiments, the upright 10 has an anti-rotation hole 12 communicating with the assembly hole 11, and when the armrest pipe 20 is mounted to the assembly hole 11, a part of the teeth 211 is mounted in the anti-rotation hole 12. When the positioning plate 30 is mounted on the upright 10, the position of the anti-rotation hole 12 corresponds to the position of the positioning groove 33, and the anti-rotation hole 12 can also have the effect of preventing the handrail tube 20 from rotating relative to the upright 10, as with the positioning groove 33.
Referring to fig. 1, specifically, the at least one handrail tube 20 includes a first handrail tube 221, a second handrail tube 222 and a third handrail tube 223 sequentially disposed from top to bottom, the upright post sequentially includes a first assembly hole 131, a second assembly hole 132 and a third assembly hole 133 from top to bottom, the first handrail tube 221 is mounted on the first assembly hole 131, the second handrail tube 222 is mounted on the second assembly hole 132, and the third handrail tube 223 is mounted on the third assembly hole 133. The at least one positioning plate 30 includes a first positioning plate 341, a second positioning plate 342, and a third positioning plate 343, where the first positioning plate 341 is disposed on one side of the first assembly hole 131 and is adapted to be abutted against the first handrail tube 221, the second positioning plate 342 is disposed on one side of the second assembly hole 132 and is adapted to be abutted against the second handrail tube 222, and the third positioning plate 343 is disposed on one side of the third assembly hole 133 and is adapted to be abutted against the third handrail tube 223. It will be appreciated that in some variant embodiments, the number of handrail tubes 20 can also be implemented as two or more than four, the specific number of handrail tubes 20 not being limiting to the application.
Preferably, the positioning plate 30 is located below the handrail tube 20, so that the joint of the positioning plate 30 and the handrail tube 20 can be located at a hidden position, and the overall aesthetic degree of the guard rail is improved. On the other hand, the positioning plate 30 is disposed below the handrail tube 20, so that the connection between the positioning plate 30 and the handrail tube 20 can be prevented from being exposed to sunlight and simultaneously from being directly washed by rainwater, and the corrosion resistance of the positioning plate 30 can be improved. It will be appreciated that in some variant embodiments, the locating plate 30 can also be disposed above, to the left of, or to the right of the handrail tube 20, the particular mounting location of the locating plate 30 should not be construed as limiting the application.
Referring to fig. 12, in some modified embodiments, the positioning plate 30 is installed at one side of the handrail tube 20, and the top of the positioning plate 30 is protruded beyond the topmost handrail tube 20 and the bottom of the positioning plate 30 is protruded beyond the bottommost handrail tube 20 in the height direction along the upright 10. The positioning plate 30 has a first positioning groove 331, a second positioning groove 332, and a third positioning groove 333 from top to bottom in sequence, the positioning plate 30 is mounted on one side of the first handrail tube 221, the second handrail tube 222, and the third handrail tube 223, the first handrail tube 221 is mounted on the first positioning groove 331, the second handrail tube 222 is mounted on the second positioning groove 332, and the third handrail tube 223 is mounted on the third positioning groove 333. In this modified embodiment, one positioning plate 30 is provided with the positioning grooves 33 corresponding to the plurality of handrail tubes 20, and the positioning plate 30 may be fixedly attached to one side of the handrail tube 20 after the handrail tube 20 is attached in the assembly process, so that the assembly efficiency of the positioning plate 30 can be improved.
Referring to fig. 7 to 10, further, the handrail tube 20 includes a first sub handrail tube 231 and a second sub handrail tube 232, wherein one end of the first sub handrail tube 231 has a first insertion slot 2310, and one end of the second sub handrail tube 232 has an insertion end 2321, and the insertion end 2321 is inserted into the first insertion slot 2310. In this embodiment, the longer handrail tube 20 is formed by inserting two shorter sub handrail tubes into each other, and in some modified embodiments, the number of sub handrail tubes included in the handrail tube 20 may also be more than three, where one end of the sub handrail tube located in the middle is the first insertion slot 2310 and the other end is the insertion end 2321, and the number of sub handrail tubes included in the handrail tube 20 should not limit the present application.
Referring to fig. 8, further, the first sub handrail tube 231 has an anti-rotation groove 2311 at one end where the first insertion groove 2310 is formed, the anti-rotation groove 2311 communicates with the first insertion groove 2310, the insertion end 2321 of the second sub handrail tube 232 has an anti-rotation protrusion 2322, and the anti-rotation protrusion 2322 is inserted into the anti-rotation groove 2311 when the insertion end 2321 is inserted into the first insertion groove 2310. By the cooperation of the rotation preventing groove 2311 and the rotation preventing protrusion 2322, the insertion end 2321 is prevented from rotating in the first insertion groove 2310, so that the stability of the mutual assembly of the first sub-handrail tube 231 and the second sub-handrail tube 232 is improved.
Referring to fig. 11, in a modified embodiment, the second sub-handrail tube 232 further includes a waterproof sleeve 2323 disposed outside the insertion end 2321, a second insertion slot 2320 is formed between the waterproof sleeve 2323 and the insertion end 2321, and when the insertion end 2321 of the second sub-handrail tube 232 is inserted into the first insertion slot 2310 of the first sub-handrail tube 231, one end of the first sub-handrail tube 231 formed with the first insertion slot 2310 is inserted into the second insertion slot 2320, that is, a side wall of the first insertion slot 2310 is inserted into the second insertion slot 2320. The waterproof sleeve 2323 can shield the connection between the insertion end 2321 and the first insertion groove 2310, so as to prevent liquids such as rainwater from directly entering the first insertion groove 2310 through the connection between the insertion end 2321 and the first insertion groove 2310. Preferably, the waterproof jacket 2323 is made of rubber. In some embodiments, the material of the waterproof jacket 2323 may also be the same material as the handrail tube 20.
Referring to fig. 1 and 2, further, the assembled guard rail further includes a bottom plate 40 installed at the bottom of the upright 10, the bottom plate 40 having a width greater than that of the upright 10, and the bottom plate 40 has a mounting hole at a predetermined position thereof, and is adapted to be coupled with an anchor bolt 50 of a mounting plane. Preferably, the anchor bolt 50 is pre-buried in the installation plane in advance, and the top end is protruded to the outside of the installation plane, and the installation hole of the bottom plate 40 is aligned with the anchor bolt 50 to be fixed by a bolt. In some variant embodiments, the fixing can also be carried out directly by means of screws passing through the mounting holes.
It should also be noted that in the present application, the number of the pillars 10 is two or more. The first positioning portions 21 are disposed at two ends of the handrail tube 20, and the positioning plates 30 are mounted on the two corresponding upright posts 10 at two ends of the handrail tube 20, so as to respectively limit the two ends of the handrail tube 20. In some variant embodiments, when the number of the upright posts 10 is more than three, the positioning plate 30 can be further disposed at a position of each upright post 10 corresponding to the handrail tube 20, so as to limit the handrail tube 20 at different positions of the handrail tube 20.
Referring to fig. 1, for example, the number of the upright posts 10 is four, the positioning plates 30 are disposed at the junctions of the two outer upright posts 10 and the handrail tube 20, the fastening plates 61 are disposed at the junctions of the two middle upright posts 10 and the handrail tube 20, and the fastening plates 61 are fixed to the upright posts 10 by second fastening screws. The fastening plate 61 has a fastening groove (not shown) at the top, at least a portion of the handrail tube 20 is installed in the fastening groove, and the fastening plate 61 abuts against the handrail tube 20 to provide support for the handrail tube 20, preventing the handrail tube 20 from shaking up and down in the assembly hole 11.
In the fabricated guard rail provided by the application, an assembled mode is adopted, field welding is not needed, the corrosion resistance and durability of components are improved, the handrail pipe 20 can be limited in the axial direction through the mutual cooperation between the first positioning part 21 and the second positioning part 31, the first sub handrail pipe 231 and the second sub handrail pipe 232 can be prevented from rotating relatively through the mutual cooperation between the anti-rotation protrusion 2322 and the anti-rotation groove 2311, the phenomenon that transverse movement is easily generated under the action of vibration and wind load generated by a train is avoided, and the structural safety is improved.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are by way of example only and are not limiting. The advantages of the present invention have been fully and effectively realized. The functional and structural principles of the present invention have been shown and described in the examples and embodiments of the invention may be modified or practiced without departing from the principles described.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510934938.9A CN120425641B (en) | 2025-07-08 | 2025-07-08 | Assembled rail guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510934938.9A CN120425641B (en) | 2025-07-08 | 2025-07-08 | Assembled rail guard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN120425641A CN120425641A (en) | 2025-08-05 |
| CN120425641B true CN120425641B (en) | 2025-09-05 |
Family
ID=96560052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510934938.9A Active CN120425641B (en) | 2025-07-08 | 2025-07-08 | Assembled rail guard |
Country Status (1)
| Country | Link |
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| CN (1) | CN120425641B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205935468U (en) * | 2016-06-02 | 2017-02-08 | 刘刚 | Novel thick stick switching knot on guardrail |
| CN111636304A (en) * | 2020-05-22 | 2020-09-08 | 中铁上海工程局集团有限公司 | An adjustable multi-angle steel structure installation limit device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210152114U (en) * | 2019-04-04 | 2020-03-17 | 丁小外 | Stair guardrail |
| CN216740456U (en) * | 2021-12-10 | 2022-06-14 | 广东坚朗五金制品股份有限公司 | Assembled guardrail device |
| CN221322033U (en) * | 2023-12-01 | 2024-07-12 | 深圳筑造建设有限公司 | Railing armrest |
| CN222923661U (en) * | 2024-08-08 | 2025-05-30 | 山东冠县汇泉交通设施有限公司 | But quick assembly disassembly's assembled rail guard |
-
2025
- 2025-07-08 CN CN202510934938.9A patent/CN120425641B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205935468U (en) * | 2016-06-02 | 2017-02-08 | 刘刚 | Novel thick stick switching knot on guardrail |
| CN111636304A (en) * | 2020-05-22 | 2020-09-08 | 中铁上海工程局集团有限公司 | An adjustable multi-angle steel structure installation limit device |
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| Publication number | Publication date |
|---|---|
| CN120425641A (en) | 2025-08-05 |
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