Foundation pit warning protective fence

Abstract

The utility model discloses a warning protective fence for a foundation pit, which relates to the technical field of municipal construction and comprises upright posts, central cross rods and vertical rods, the upright posts are transversely arranged side by side, and an upper cross rod, a central cross rod and a lower cross rod are sequentially arranged between every two adjacent upright posts from top to bottom. The two ends of the central cross rod are matched with central cross rod inserting grooves correspondingly formed in the stand columns in an inserted mode, the two ends of the lower cross rod are matched with lower cross rod inserting grooves correspondingly formed in the stand columns in an inserted mode, and first screws are installed at the two ends of the upper cross rod. The vertical rods are connected with the center cross rod, the lower cross rod and the upper cross rod in an inserted mode, so that the whole protective fence is more convenient to disassemble, the protective fence can be conveniently carried and stored when not used, local replacement can be conducted when the protective fence is locally damaged, and the maintenance cost is lower.

Description

Technical Field

[0001] This utility model relates to the field of municipal construction technology, specifically a foundation pit warning and protection railing. Background Technology

[0002] An excavation pit is a space excavated from the ground to carry out the construction of the underground part of a building or structure. Before excavation, a support plan should be formulated based on geological and hydrological data and the conditions of nearby buildings, and waterproofing and drainage work should be carried out.

[0003] During construction, the excavated foundation pit needs to be protected, and guardrails are often used for protection and warning. However, most existing guardrails are composed of multiple vertical railings in the middle, and the middle section of the railings has poor impact resistance. When the guardrail is impacted, the middle railings are easy to break. In addition, most of the existing guardrails are fixed by welding or bolts, which makes disassembly inconvenient and makes it difficult to store and transport. Utility Model Content

[0004] The purpose of this utility model is to provide a foundation pit warning guardrail to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A foundation pit warning guardrail includes posts, a central horizontal bar, and vertical bars. The posts are arranged horizontally side by side. Between adjacent posts, from top to bottom, are an upper horizontal bar, a central horizontal bar, and a lower horizontal bar. The two ends of the central horizontal bar are inserted into corresponding central horizontal bar slots on the posts. The two ends of the lower horizontal bar are inserted into corresponding lower horizontal bar slots on the posts. The two ends of the upper horizontal bar are fitted with first screws, which are threaded into corresponding first screw holes on the top of the posts. The central horizontal bar has evenly spaced... A vertical rod is provided with a through hole, through which a vertical rod is installed. The top and bottom ends of the vertical rod are inserted into corresponding slots on the upper and lower horizontal bars. A first folding support rod and a second folding support rod are provided at the rear of the column. One end of the first folding support rod and one end of the second folding support rod are hinged together. The other end of the first folding support rod is hinged to the column. Stop bars are installed on both sides of the top of the second folding support rod. A grooved plate is installed at the rear of the column. The grooved plate has rod grooves at both the upper and lower parts. The stop bars are engaged with the rod grooves at the lower part of the grooved plate.

[0007] As a further embodiment of this utility model: mounting plates are installed on both sides of the column, and mounting holes are provided on the mounting plates.

[0008] As a further improvement of this utility model: a warning sign is provided at the front of the central crossbar, and a second screw is installed on the warning sign. The second screw is threadedly connected to the corresponding second screw hole on the central crossbar.

[0009] As a further improvement of this utility model, a baffle is installed at the bottom of the lower crossbar.

[0010] As a further improvement of this utility model: two first screw holes are provided side by side on the top of the column.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model sets up columns, a central horizontal bar, a lower horizontal bar, an upper horizontal bar, and vertical bars. The vertical bars are connected to the central horizontal bar, the lower horizontal bar, and the upper horizontal bar by plugging. This makes it easier to disassemble the guardrail as a whole, and it is convenient to move and store the guardrail when it is not in use. It also allows for partial replacement when the guardrail is partially damaged, resulting in lower maintenance costs.

[0013] 2. The central crossbar of this utility model can reinforce the middle of the vertical bar, making the overall impact resistance of the vertical bar stronger and the middle of the vertical bar less likely to break.

[0014] 3. By setting a first folding rod and a second folding rod, the first folding rod and the second folding rod cooperate with the column to form a triangular structure, which can make the bottom of the guardrail more stable and improve the impact resistance of the guardrail. Attached Figure Description

[0015] Figure 1 This is an overall front view of a foundation pit warning guardrail.

[0016] Figure 2 A type of foundation pit warning guardrail Figure 1 Side view of the central column.

[0017] Figure 3 A type of foundation pit warning guardrail Figure 1 A schematic diagram of the central crossbar.

[0018] 1. Upright post; 2. Center crossbar; 3. Lower crossbar; 4. Upper crossbar; 5. Vertical bar; 6. First screw; 7. Slot plate; 8. First folding support rod; 9. Second folding support rod; 10. Center crossbar slot; 11. Stop bar; 12. Rod slot; 13. Lower crossbar slot; 14. First screw hole; 15. Mounting plate; 16. Warning sign; 17. Second screw; 18. Baffle plate; 19. Vertical bar through hole; 20. Second screw hole. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-3 In this embodiment of the utility model, a pit warning guardrail includes a column 1, a central horizontal bar 2, and a vertical bar 5. The columns 1 are arranged horizontally side by side. Between two adjacent columns 1, an upper horizontal bar 4, a central horizontal bar 2, and a lower horizontal bar 3 are arranged sequentially from top to bottom. The two ends of the central horizontal bar 2 are inserted into the corresponding central horizontal bar slots 10 opened on the column 1. The two ends of the lower horizontal bar 3 are inserted into the corresponding lower horizontal bar slots 13 opened on the column 1. The two ends of the upper horizontal bar 4 are equipped with first screws 6, which are threaded into the first screw holes 14 opened on the top of the column 1. The central horizontal bar 2 has vertical bar through holes 19 at equal intervals. A vertical bar 5 is installed through the vertical bar through holes 19. The top and bottom ends of the vertical bar 5 are inserted into the corresponding slots opened on the upper horizontal bar 4 and the lower horizontal bar 3.

[0021] Mounting plates 15 are installed on both sides of the column 1. Mounting plates 15 have mounting holes, and the mounting plates 15 can be used to fix the column 1.

[0022] A warning sign 16 is installed at the front of the central crossbar 2. A second screw 17 is installed on the warning sign 16. The second screw 17 is threadedly connected to the corresponding second screw hole 20 on the central crossbar 2. The warning sign 16 is provided with a warning slogan to provide safety warnings to passing pedestrians and vehicles.

[0023] A baffle 18 is installed at the bottom of the lower crossbar 3. The baffle 18 can intercept debris rolling towards the pit from the ground.

[0024] There are two first screw holes 14 on the top of the column 1, arranged side by side. The two first screw holes 14 make it easy to connect the column 1 to the two upper horizontal bars 4 on the left and right at the same time, and facilitate the connection of multiple guardrails at the same time.

[0025] Please see Figure 1-2The rear of the column 1 is provided with a first folding support rod 8 and a second folding support rod 9. One end of the first folding support rod 8 and one end of the second folding support rod 9 are hinged together, and the other end of the first folding support rod 8 is hinged to the column 1. The top two sides of the second folding support rod 9 are equipped with stop bars 11. The rear of the column 1 is equipped with a groove plate 7. The groove plate 7 has rod grooves 12 on both the upper and lower parts. The stop bars 11 are engaged with the rod grooves 12 on the lower part of the groove plate 7. The first folding support rod 8 has bolt holes, which are used to fix the first folding support rod 8 to the ground with anchor bolts as needed during actual use, thereby further improving the stability of the guardrail.

[0026] The working principle of this utility model is as follows:

[0027] In use, first, set up the columns 1 side by side along the edge of the pit. Then, insert the two ends of the lower horizontal bar 3 and the central horizontal bar 2 into the corresponding slots between the two adjacent columns 1. Then, insert the vertical bar 5 through the central horizontal bar 2. Then, install the upper horizontal bar 4 above the vertical bar 5 and fix the two ends of the upper horizontal bar 4 to the two columns 1 on both sides with the first screw 6. Then, fix the base plate 15 at the bottom of the column 1 to the ground with anchor bolts. Then, unfold the first folding rod 8 and the second folding rod 9 and open the stop bar 11 at the end of the second folding rod 9. The first folding rod 8, the second folding rod 9, and the upright 1 are snapped into the rod groove 12 at the bottom of the trough plate 7, forming a triangular support structure that stands upright on the ground. When the guardrail is impacted towards the pit, the triangular support structure can provide stable support. For disassembly, first unscrew the first screw 6, then disassemble the upper horizontal bar 4, vertical bar 5, central horizontal bar 2, and lower horizontal bar 3 in sequence. Then fold the first folding support rod 8 and the second folding support rod 9 into the trough plate 7, and snap the stop bar 11 on the second folding support rod 9 into the rod groove 12 at the top of the trough plate 7.

[0028] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A foundation pit warning fence comprising upright posts (1), a central crossbar (2) and vertical bars (5), characterized in that: The post (1) is arranged transversely and side by side, and the upper transverse rod (4), the center transverse rod (2) and the lower transverse rod (3) are sequentially arranged from top to bottom between two adjacent posts (1), the two ends of the center transverse rod (2) are inserted and matched with the center transverse rod slot (10) correspondingly arranged on the post (1), the two ends of the lower transverse rod (3) are inserted and matched with the lower transverse rod slot (13) correspondingly arranged on the post (1), the two ends of the upper transverse rod (4) are provided with the first screw (6), the first screw (6) is threadedly connected with the first screw hole (14) correspondingly arranged on the top of the post (1), the vertical rod (5) is arranged in the vertical rod perforation (19) arranged at equal intervals on the center transverse rod (2), the top end and the bottom end of the vertical rod (5) are inserted and matched with the slots correspondingly arranged on the upper transverse rod (4) and the lower transverse rod (3), the rear part of the post (1) is provided with the first folding support rod (8) and the second folding support rod (9), one end of the first folding support rod (8) and one end of the second folding support rod (9) are hinged, the other end of the first folding support rod (8) is hinged with the post (1), the top end of the second folding support rod (9) is provided with the blocking rod (11) on both sides, the rear part of the post (1) is provided with the groove plate (7), the upper part and the lower part of the groove plate (7) are provided with the rod groove (12), and the blocking rod (11) is clamped with the rod groove (12) of the lower part of the groove plate (7).

2. The foundation warning fence according to claim 1, wherein: The mounting plate (15) is arranged on both sides of the post (1), and the mounting hole is arranged on the mounting plate (15).

3. The foundation warning fence bar according to claim 1, wherein: The front part of the center transverse rod (2) is provided with the warning board (16), the second screw (17) is arranged on the warning board (16), and the second screw (17) is threadedly connected with the second screw hole (20) correspondingly arranged on the center transverse rod (2).

4. The foundation warning fence bar according to claim 1, wherein: The bottom of the lower transverse rod (3) is provided with the blocking plate (18).

5. The foundation warning fence bar according to claim 1, wherein: The first screw hole (14) is arranged on the top of the post (1) and is arranged on both sides.

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