Foundation pit fence for road construction

Abstract

The utility model discloses a foundation pit fence for road construction, which relates to the technical field of road construction and comprises a protective fence. The clamping grooves are integrally formed in the surface of the rear end of the protective fence, the number of the clamping grooves is two, the rear ends and the bottoms of the clamping grooves are open, supporting legs are arranged in the clamping grooves, one ends of the supporting legs are fixed in the clamping grooves through rotating shafts, and the other ends of the supporting legs are fixed in the clamping grooves through rotating shafts. According to the foundation pit fence for road construction, the bottom plate and the supporting legs are clamped in the clamping grooves in a folding mode, so that the bottom plate and the supporting legs can be stored in the clamping grooves, the protective fence is convenient to transport and carry, and storage is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of road construction, and particularly relates to a foundation pit guardrail for road construction. Background Technique

[0002] A foundation pit in road construction refers to the space below the ground excavated in road engineering for foundation construction, installation of underground facilities, or other structural construction (such as bridges, tunnels, etc.). It is mainly for facilitating foundation construction, improving the bearing capacity and stability of the foundation, ensuring the safety and stability of the road project, and at the same time providing necessary space for other structural construction (such as bridges, tunnels, etc.).

[0003] Usually, the protective fence needs to be assembled when transported to the site. However, the existing protective fences are rather cumbersome to assemble, resulting in a large amount of time required for assembling and splicing the protective fence, which is a waste of time and not convenient for storage. Therefore, we propose a foundation pit guardrail for road construction to solve the problems mentioned above. Content of the Utility Model

[0004] The purpose of the utility model is to provide a foundation pit guardrail for road construction to solve the problems mentioned in the above background technique that usually, the protective fence needs to be assembled when transported to the site, but the existing protective fences are rather cumbersome to assemble, resulting in a large amount of time required for assembling and splicing the protective fence, which is a waste of time and not convenient for storage.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A foundation pit guardrail for road construction, including a protective fence;

[0006] It further includes:

[0007] A clamping groove, which is integrally formed on the rear end surface of the protective fence. There are two symmetrically arranged clamping grooves, and both the rear end and the bottom of the clamping groove are open. A support leg is arranged inside the clamping groove. One end of the support leg is fixed inside the clamping groove through a rotating shaft, and the support leg swings in a folding manner inside the clamping groove through the rotating shaft. The other end of the support leg is provided with a bottom plate, and the bottom plate and the support leg are clamped inside the clamping groove in a folding manner. The bottom plate and the other end of the support leg are connected through a fixed seat, and the bottom plate swings at the bottom of the support leg through the fixed seat.

[0008] Preferably, a threaded hole is arranged at the front end of the support leg, a through hole is arranged at the front end of the protective fence, and when the support leg is unfolded, the threaded hole coincides with the through hole. The support leg is fixed inside the protective fence through a fixing bolt, and the fixing bolt passes through the through hole and is threadedly connected with the threaded hole.

[0009] Preferably, the two base plates are connected and fixed by a connecting rod. A connecting groove is provided between the two engaging grooves, and the connecting rod is movably engaged inside the connecting groove.

[0010] Preferably, a limiting plate is provided at the rear end of the protective fence. The limiting plate is located above the connecting groove and is rotatable through a connecting shaft.

[0011] Preferably, triangular grooves are provided on both sides of the upper surface of the base plate. A supporting triangular plate is provided inside the triangular groove. The supporting triangular plate is opened and closed through a connecting shaft, and the outside of the supporting triangular plate is movably engaged outside the leg.

[0012] Preferably, a engaging block is provided on the left side of the protective fence, a fixing block is provided on the right side of the protective fence, a fixing rod is provided at the upper end of the fixing block, and the engaging block is slidably engaged with the fixing rod.

[0013] Preferably, a sliding groove is provided on the left surface of the protective fence. A sliding block is provided at the rear end of the engaging block. The sliding block is slidably engaged inside the sliding groove, and the engaging block moves up and down on the left side of the protective fence through the engagement of the sliding block.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] 1. By providing an engaging groove at the rear end of the protective fence, the base plate and the leg are engaged inside the engaging groove in a folded manner, so that the base plate and the leg can be received inside the engaging groove, which is convenient for transporting and handling the protective fence, and is also convenient for storage. At the same time, it is also more convenient to assemble the protective fence. The expanded floor and leg are fixed through the quick-fixing structure of bolts and triangular plates, saving the assembly time and improving the efficiency.

[0016] 2. By providing an engaging block and a fixing rod that can be connected to other protective fences on the left and right sides of the protective fence respectively, a round hole is provided at the upper end of the engaging block to be engaged with the fixing rod, and the engaging block can move up and down outside the protective fence through the sliding groove and the sliding block. The fixing rod can be engaged and connected by sliding the engaging block upward to the upper side of the fixing rod, which is convenient for docking and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is a schematic diagram of the rear end of the protective fence of the present utility model;

[0019] Figure 3 is a side view of the closure and expansion of the base plate and the leg of the present utility model;

[0020] Figure 4 It is the top view of the bottom plate of the present utility model;

[0021] In the figure: 1. Protective fence; 2. Bottom plate; 3. Connecting rod; 4. Engaging groove; 5. Connecting groove; 6. Limiting plate; 7. Leg; 8. Supporting triangular plate; 9. Fixed seat; 10. Triangular groove; 11. Rotating shaft; 12. Fixed bolt; 13. Threaded hole; 14. Through hole; 15. Sliding groove; 16. Engaging block; 17. Slider; 18. Fixed rod; 19. Fixed block. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0023] Please refer to Figures 1-4 , an embodiment provided by the present utility model: a foundation pit fence for road construction, including a protective fence 1;

[0024] It further includes:

[0025] The engaging groove 4 is integrally formed on the rear end surface of the protective fence 1. There are two symmetrically arranged engaging grooves 4, and the rear end and bottom of the engaging groove 4 are both open. A leg 7 is arranged inside the engaging groove 4. One end of the leg 7 is fixed inside the engaging groove 4 through a rotating shaft 11, and the leg 7 swings in a folded manner inside the engaging groove 4 through the rotating shaft 11. The other end of the leg 7 is provided with a bottom plate 2, and the bottom plate 2 and the leg 7 are engaged inside the engaging groove 4 in a folded manner. The bottom plate 2 and the other end of the leg 7 are connected through a fixed seat 9, and the bottom plate 2 swings at the bottom of the leg 7 through the fixed seat 9.

[0026] The bottom plate 2 and the leg 7 are engaged inside the engaging groove 4 in a folded manner, so that the bottom plate 2 and the leg 7 can be received inside the engaging groove 4, which is convenient for transporting and handling the protective fence 1 and is also convenient for storage.

[0027] Please refer to Figure 3 , a threaded hole 13 is provided at the front end of the leg 7, a through hole 14 is provided at the front end of the protective fence 1, and when the leg 7 is unfolded, the threaded hole 13 overlaps with the through hole 14. The leg 7 is fixed inside the protective fence 1 through a fixed bolt 12, and the fixed bolt 12 passes through the through hole 14 and is threadedly connected with the threaded hole 13 for fixing the leg 7.

[0028] Please refer to Figure 2, the two bottom plates 2 are fixedly connected by a connecting rod 3. A connecting groove 5 is provided between the two engaging grooves 4, and the connecting rod 3 is movably engaged inside the connecting groove 5 to connect the two bottom plates 2.

[0029] Please refer to Figure 1 , a limiting plate 6 is provided at the rear end of the protective fence 1. The limiting plate 6 is located above the connecting groove 5, and the limiting plate 6 rotates through a connecting shaft. When the bottom plate 2 and the leg 7 are stored, the limiting plate 6 can be used for limiting.

[0030] Please refer to Figure 3 , triangular grooves 10 are provided on both sides of the upper surface of the bottom plate 2. Support triangular plates 8 are arranged inside the triangular grooves 10. The support triangular plates 8 are opened and closed through a connecting shaft, and the outer sides of the support triangular plates 8 are movably engaged outside the legs 7 to support between the bottom plate 2 and the legs 7.

[0031] Please refer to Figure 2 , a engaging block 16 is provided on the left side of the protective fence 1, a fixing block 19 is provided on the right side of the protective fence 1, a fixing rod 18 is provided at the upper end of the fixing block 19, and the engaging block 16 is slidably engaged with the fixing rod 18 to facilitate the splicing of the surrounding guardrails.

[0032] Please refer to Figure 2 , a sliding groove 15 is provided on the left surface of the protective fence 1. A sliding block 17 is provided at the rear end of the engaging block 16. The sliding block 17 is slidably engaged inside the sliding groove 15, and the engaging block 16 moves up and down on the left side of the protective fence 1 through the engagement of the sliding block 17, so that the engaging block 16 can move up and down to facilitate the engagement with the fixing rod 18.

[0033] Working principle: When the protective fence 1 needs to be assembled, rotate the limiting plate 6 so that the front end of the connecting rod 3 is not restricted. Then, the bottom plate 2 and the leg 7 can be folded and unfolded from inside the engaging groove 4, making the bottom plate 2 perpendicular to the bottom of the leg 7. Subsequently, pass a fixing bolt 12 through the through hole 14 and thread it with the threaded hole 13 to fix the position of the leg 7. Then, turn up the two support triangular plates 8 above the bottom plate 2 from the triangular grooves 10 to engage and fix the outside of the leg 7, so that the bottom plate 2 can be fixed at the bottom of the leg 7. When connecting the surrounding protective fences 1, the engaging block 16 can be engaged with the fixing rod 18 outside another protective fence 1 to connect the surrounding protective fences 1.

[0034] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A foundation pit fence for road construction, comprising a protective fence (1); It is characterized in that: It further includes: A clamping groove (4), which is integrally formed on the rear surface of the protective fence (1). There are two symmetrically arranged clamping grooves (4), and the rear end and bottom of the clamping groove (4) are both open. A support leg (7) is arranged inside the clamping groove (4). One end of the support leg (7) is fixed inside the clamping groove (4) through a rotating shaft (11), and the support leg (7) swings and folds inside the clamping groove (4) through the rotating shaft (11). The other end of the support leg (7) is provided with a bottom plate (2), and the bottom plate (2) and the support leg (7) are clamped inside the clamping groove (4) in a folded manner. The bottom plate (2) and the other end of the support leg (7) are connected through a fixing seat (9), and the bottom plate (2) swings at the bottom of the support leg (7) through the fixing seat (9).

2. The foundation pit guardrail for road construction according to claim 1, characterized in that: A threaded hole (13) is arranged at the front end of the support leg (7). A through hole (14) is arranged at the front end of the protective fence (1). When the support leg (7) is unfolded, the threaded hole (13) overlaps with the through hole (14). The support leg (7) is fixed inside the protective fence (1) through a fixing bolt (12), and the fixing bolt (12) passes through the through hole (14) and is threadedly connected with the threaded hole (13).

3. A foundation pit guardrail for road construction according to claim 1, characterized in that: The two bottom plates (2) are connected and fixed through a connecting rod (3). A connecting groove (5) is arranged between the two clamping grooves (4), and the connecting rod (3) is movably clamped inside the connecting groove (5).

4. A foundation pit guardrail for road construction according to claim 1, characterized in that: A limiting plate (6) is arranged at the rear end of the protective fence (1). The limiting plate (6) is located above the connecting groove (5), and the limiting plate (6) rotates through a connecting shaft.

5. A foundation pit guardrail for road construction according to claim 1, characterized in that: Triangular grooves (10) are arranged on both sides of the upper surface of the bottom plate (2). A supporting triangular plate (8) is arranged inside the triangular grooves (10). The supporting triangular plate (8) opens and closes through a connecting shaft, and the outside of the supporting triangular plate (8) is movably clamped outside the support leg (7).

6. The foundation pit guardrail for road construction according to claim 1, characterized in that: A clamping block (16) is arranged on the left side of the protective fence (1). A fixing block (19) is arranged on the right side of the protective fence (1). A fixing rod (18) is arranged at the upper end of the fixing block (19), and the clamping block (16) is slidably clamped and connected with the fixing rod (18).

7. A foundation pit guardrail for road construction according to claim 1, characterized in that: A sliding groove (15) is arranged on the left surface of the protective fence (1). A sliding block (17) is arranged at the rear end of the clamping block (16). The sliding block (17) is slidably clamped inside the sliding groove (15), and the clamping block (16) moves up and down on the left side of the protective fence (1) through the clamping of the sliding block (17).

Images