A temporary protective fence capable of being quickly assembled on a civil engineering site

CN224379532UActive Publication Date: 2026-06-19CNR LANZHOU LOCOMOTIVE

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CNR LANZHOU LOCOMOTIVE
Filing Date
2025-06-04
Publication Date
2026-06-19

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Abstract

This utility model relates to the field of guardrail technology, specifically a temporary guardrail that can be quickly assembled on construction sites. The utility model includes an upper guardrail with a first support frame. The upper side of the first support frame has a first through hole, a first insertion hole at the top, and a insertion rod at the bottom. A lower guardrail is detachably mounted below the upper guardrail and has a second support frame with a second insertion hole at its upper end. This temporary guardrail, which can be quickly assembled on construction sites, allows for adjustment of its height by changing the number of first support frames. The height can be easily adjusted to meet different usage needs. The guardrail is quick to assemble and easy to use. The positioning components are installed on the upper part of the upper guardrail, ensuring a stable connection between the upper guardrail panels.
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Description

Technical Field

[0001] This utility model relates to the field of guardrail technology, specifically a temporary guardrail that can be quickly assembled on a construction site. Background Technology

[0002] Temporary guardrails are safety barriers erected around construction sites, primarily used to isolate the site from its surroundings and protect personnel and equipment within the site. Their functions include: 1) protecting personnel and equipment on the site and preventing unauthorized entry by outsiders and vehicles, thus reducing the risk of accidents; 2) isolating the site from its surroundings to minimize the impact of noise and dust from construction on nearby residents; and 3) alerting pedestrians and vehicles to construction activity and preventing accidents.

[0003] Application No. 202323306997.7 discloses a temporary protective fence for bridge construction that is easy to install, including a protective fence, a connecting plate, a folding axle, and a foundation post. Several protective fences are provided, and the protective fences are fixedly connected to the folding axle and the foundation post respectively through the connecting plate.

[0004] The guardrails in the above comparison documents have a fixed height, which cannot be adjusted to meet different usage needs, and the guardrails cannot be moved, making them inconvenient to use or store. In response to the above issues, we have introduced a temporary guardrail that can be quickly assembled on the construction site. Utility Model Content

[0005] The purpose of this utility model is to provide a temporary guardrail that can be quickly assembled on a construction site, in order to solve the problems mentioned in the background art, such as the fixed height of the guardrail, the inability to adjust the height of the guardrail to meet different usage needs, and the inconvenience of using or storing the guardrail.

[0006] The technical solution of this utility model is: a temporary protective fence that can be quickly assembled on a civil engineering site, comprising:

[0007] The upper protective plate is provided with a first support frame, a first through hole is provided at the upper side of the first support frame, a first insertion hole is provided at the top of the first support frame, and an insertion rod is provided at the lower end of the first support frame.

[0008] The lower protective plate is detachably installed at the lower end of the upper protective plate. The lower protective plate is provided with a second support frame, and a second insertion hole is opened at the upper end of the second support frame.

[0009] A positioning component, which is detachably mounted on the upper end of the upper protective plate;

[0010] The support member is provided with a crossbar, the side of the crossbar is provided with a slot, and the lower end face of the crossbar is provided with a roller.

[0011] As a further embodiment of this utility model: a first horizontal plate is fixedly connected to the inner side of the first support frame, and there are two first support frames. A first bolt is detachably arranged on one side of the first support frame, and a second through hole is provided on one side of the insertion rod.

[0012] As a further embodiment of this utility model: a second bolt is detachably arranged on the side of the second support frame, a second horizontal plate is fixedly connected to the inner side of the second support frame, and a third through hole is provided at the lower end of the second support frame.

[0013] As a further embodiment of this utility model: the lower end of the insertion rod is inserted into the second insertion hole, and the size of the insertion rod is adapted to the size of the second insertion hole.

[0014] As a further embodiment of this utility model: the positioning component is provided with a cover plate, the lower end of the cover plate is symmetrically provided with side plates, and the side plates are detachably provided with a third bolt.

[0015] As a further embodiment of this utility model: the number of the slots is two, and they are symmetrically arranged on both sides of the crossbar, and a fourth bolt is detachably arranged on the side of the slot.

[0016] As a further embodiment of this utility model: the two ends of the crossbar are threadedly connected to threaded screws, the upper end of the threaded screws is provided with adjusting nuts, and the bottom of the threaded screws is provided with pads.

[0017] This utility model provides an improved temporary guardrail that can be quickly assembled on construction sites, which has the following improvements and advantages compared with the prior art:

[0018] Firstly, this utility model, by installing the upper protective plate on the upper part of the lower protective plate, with multiple first support frames interlocking with each other, allows for adjustment of the height of the temporary guardrail by changing the number of first support frames. The height of the temporary guardrail can be conveniently adjusted according to different usage needs. Multiple first support frames can be interlocked with each other, and first support frames can be interlocked with second support frames. The temporary guardrail can be quickly assembled and is easy to assemble during use. Positioning components are installed on the upper parts of two adjacent upper protective plates, thereby connecting the two adjacent upper protective plates, making the connection between the upper protective plates stable and increasing the stability of the temporary guardrail.

[0019] Secondly, this utility model, by installing the lower protective plate on the upper end of the supporting component, allows for adjustment of the height of the pads when using or storing the temporary guardrail. When the bottom of the pad is higher than the bottom of the roller, the temporary guardrail can be moved, and its position can be flexibly adjusted. When the bottom of the pad is lower than the bottom of the roller, or when the bottom of the pad is higher than the bottom of the roller, the temporary guardrail cannot be moved. By symmetrically placing the pads at the lower end of the crossbar, the stability of the temporary guardrail is improved, making its placement more stable. Attached Figure Description

[0020] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0021] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0022] Figure 2 This is a left view of the present invention;

[0023] Figure 3 This is a schematic diagram of the structure of the upper protective plate of this utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the lower protective plate of this utility model;

[0025] Figure 5 This is a structural schematic diagram of the positioning component of this utility model;

[0026] Figure 6 This is a structural schematic diagram of the support component of this utility model.

[0027] Explanation of reference numerals in the attached drawings: 1. Upper protective plate; 11. First support frame; 12. First through hole; 13. First insertion hole; 14. First horizontal plate; 15. First bolt; 16. Insert rod; 17. Second through hole; 2. Lower protective plate; 21. Second support frame; 22. Second insertion hole; 23. Second bolt; 24. Second horizontal plate; 25. Third through hole; 3. Positioning component; 31. Cover plate; 32. Side plate; 33. Third bolt; 4. Support component; 41. Horizontal bar; 42. Slot; 43. Fourth bolt; 44. Roller; 45. Threaded screw; 46. Adjusting nut; 47. Pad. Detailed Implementation

[0028] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0029] Example 1

[0030] Please see Figures 1-6 This utility model provides a technical solution: a temporary guardrail that can be quickly assembled on a construction site, comprising an upper guardrail 1, a first support frame 11, a first through hole 12 on the upper side of the first support frame 11, a first insertion hole 13 at the top of the first support frame 11, and an insertion rod 16 at the lower end of the first support frame 11; a lower guardrail 2, detachably mounted on the lower end of the upper guardrail 1, with a second support frame 21 on the lower guardrail 2, and a second insertion hole 22 at the upper end of the second support frame 21; a positioning component 3, detachably mounted on the upper end of the upper guardrail 1; and a support component 4, with a crossbar 41, a slot 42 on the side of the crossbar 41, and a roller 44 on the lower end of the crossbar 41.

[0031] Please see Figures 1-3 The first support frame 11 has a first horizontal plate 14 fixedly connected to its inner side. There are two first support frames 11. The first support frame 11 has a first bolt 15 detachably arranged on one side. The insertion rod 16 has a second through hole 17 on one side.

[0032] The second support frame 21 is detachably provided with a second bolt 23 on its side, and a second horizontal plate 24 is fixedly connected to the inner side of the second support frame 21. A third through hole 25 is provided at the lower end of the second support frame 21.

[0033] The lower end of the plug 16 is inserted into the second socket 22, and the size of the plug 16 is adapted to the size of the second socket 22.

[0034] In use, firstly, the upper protective plate 1 is installed on the upper end of the lower protective plate 2, and a first through hole 12 is opened on the upper end of the side of the first support frame 11. A first insertion hole 13 is provided on the top of the first support frame 11. Then, the two first support frames 11 are inserted into each other. Subsequently, the first horizontal plate 14 is fixedly installed on the inner side of the first support frame 11, the first bolt 15 is installed on the side of the first support frame 11, and the insertion rod 16 at the bottom of the first support frame 11 is inserted into the second insertion hole 22 at the upper end of the second support frame 21. Then, the second bolt 23 passes through the second through hole 17, and the first support frame 11 is installed on the upper end of the second support frame 21, thereby installing the upper protective plate 1 on the upper end of the lower protective plate 2. Multiple first support frames 11 support each other. The temporary guardrail can be adjusted in height by changing the number of first support frames 11. The height of the temporary guardrail can be easily adjusted according to different usage needs. Multiple first support frames 11 can be interlocked with each other, and the first support frame 11 and the second support frame 21 can be interlocked with each other. The temporary guardrail can be quickly assembled and is easy to assemble during use. The positioning component 3 is installed on the upper ends of two adjacent upper guard plates 1, and the bottom of the cover plate 31 abuts against the upper end of the first support frame 11. Then, the third bolt 33 is passed through the first through hole 12 at the upper end of the first support frame 11, thereby connecting the two adjacent upper guard plates 1, making the connection between the upper guard plates 1 stable and increasing the stability of the temporary guardrail.

[0035] Example 2

[0036] Please see Figures 1-6 This utility model provides a technical solution: a temporary guardrail that can be quickly assembled on a construction site, comprising an upper guardrail 1, a first support frame 11, a first through hole 12 on the upper side of the first support frame 11, a first insertion hole 13 at the top of the first support frame 11, and an insertion rod 16 at the lower end of the first support frame 11; a lower guardrail 2, detachably mounted on the lower end of the upper guardrail 1, with a second support frame 21 on the lower guardrail 2, and a second insertion hole 22 at the upper end of the second support frame 21; a positioning component 3, detachably mounted on the upper end of the upper guardrail 1; and a support component 4, with a crossbar 41, a slot 42 on the side of the crossbar 41, and a roller 44 on the lower end of the crossbar 41.

[0037] Please see Figures 4-6 The positioning component 3 is provided with a cover plate 31, and side plates 32 are symmetrically arranged at the lower end of the cover plate 31. The side plates 32 are detachably provided with a third bolt 33.

[0038] There are two slots 42, which are symmetrically arranged on both sides of the crossbar 41. The fourth bolt 43 is detachably arranged on the side of the slot 42.

[0039] The two ends of the crossbar 41 are threadedly connected to threaded screws 45. An adjusting nut 46 is provided on the upper end of the threaded screw 45, and a pad 47 is provided on the bottom of the threaded screw 45.

[0040] In use, the upper protective plate 1 is installed on the upper end of the lower protective plate 2, and the lower protective plate 2 is installed on the upper end of the support member 4. The second horizontal plate 24 is fixedly installed on the inner side of the second support frame 21. Then, the bottom of the second support frame 21 is attached to the bottom of the inner side of the slot 42, and the fourth bolt 43 is passed through the third through hole 25 at the bottom of the second support frame 21, thereby installing the lower protective plate 2 on the upper end of the support member 4. Subsequently, the rollers 44 are symmetrically installed at the bottom of the crossbar 41, and the pads 47 are installed at the bottom of the threaded screw 45. When using or storing the temporary guardrail, the height of the pads 47 is adjusted by adjusting the adjusting nut 46. When the bottom of the pads 47 is higher than the bottom of the rollers 44, the temporary guardrail can be moved and the position of the temporary guardrail can be flexibly adjusted. When the bottom of the pads 47 is lower than the bottom of the rollers 44, or when the bottom of the pads 47 is higher than the bottom of the rollers 44, the temporary guardrail cannot be moved. By symmetrically setting the pads 47 at the lower end of the crossbar 41, the stability of the temporary guardrail is improved, making the temporary guardrail more stable.

[0041] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A temporary barrier for rapid assembly at a civil works site, characterised in that: It includes The upper protective plate (1) is provided with a first support frame (11), a first through hole (12) is provided on the upper side of the first support frame (11), a first insertion hole (13) is provided at the top of the first support frame (11), and an insertion rod (16) is provided at the lower end of the first support frame (11). The lower protective plate (2) is detachably arranged at the lower end of the upper protective plate (1). The lower protective plate (2) is provided with a second support frame (21), and a second insertion hole (22) is opened at the upper end of the second support frame (21). Positioning component (3), which is detachably arranged on the upper end of the upper protective plate (1); The support member (4) is provided with a crossbar (41), the side of the crossbar (41) is provided with a slot (42), and the lower end face of the crossbar (41) is provided with a roller (44).

2. A temporary protective fence rapidly assembled on site for civil works according to claim 1, characterized in that: The first support frame (11) is fixedly connected to the inner side of the first horizontal plate (14). There are two first support frames (11). The first support frame (11) is detachably provided with a first bolt (15) on one side. The insertion rod (16) is provided with a second through hole (17) on one side.

3. A temporary construction site safety fence according to claim 1, wherein: The second support frame (21) is detachably provided with a second bolt (23) on its side, and a second horizontal plate (24) is fixedly connected to the inner side of the second support frame (21). A third through hole (25) is provided at the lower end of the second support frame (21).

4. A temporary construction site safety fence according to claim 1, wherein: The lower end of the insertion rod (16) is inserted into the second insertion hole (22), and the size of the insertion rod (16) is adapted to the size of the second insertion hole (22).

5. A temporary construction site safety fence according to claim 1, wherein: The positioning component (3) is provided with a cover plate (31), and side plates (32) are symmetrically arranged at the lower end of the cover plate (31). A third bolt (33) is detachably arranged on the side of the side plate (32).

6. A rapidly erectable temporary barrier for construction sites according to claim 1, characterised in that: There are two slots (42), which are symmetrically arranged on both sides of the crossbar (41). A fourth bolt (43) is detachably arranged on the side of the slot (42).

7. A temporary construction site safety fence according to claim 1, wherein: The crossbar (41) is threaded to both ends with threaded screws (45), and the upper end of the threaded screws (45) is provided with adjusting nuts (46), and the bottom of the threaded screws (45) is provided with pads (47).