Temporary protection structure of foundation pit

Abstract

The invention discloses a foundation pit temporary protection structure which comprises a pair of stand columns vertically arranged on the ground in a spaced mode. The cross beam is horizontally arranged at the middle position of the pair of stand columns; the pair of handrails is horizontally arranged between the upper ends and the lower ends of the pair of stand columns; each stand column comprises a middle rod and a pair of end rods, the pair of end rods are rotationally connected to the two ends of the middle rod, sliding blocks are arranged at the two ends of each handrail, sliding grooves for the sliding blocks to slide are formed in the inner side walls of the middle rods and the inner side walls of the end rods, and locking pieces for fixing the sliding blocks are arranged at the ends of the end rods. Compared with the prior art, the protection structure has the following advantages and effects that by arranging the folding storage type protection structure, the protection structure can be stored and transported during folding, the occupied space of the protection structure is reduced, meanwhile, the protection structure can be unfolded on site and can be rapidly installed and fixed, rapid installation and use of the protection structure are achieved, and the installation efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the field of building construction, in particular to a temporary protective structure for a foundation pit. Background Art

[0002] A foundation pit refers to a cavity or pit excavated underground for the purpose of building construction. The foundation pit is mainly used for the foundation construction of a building, including basement construction, foundation treatment and other work that needs to be carried out below the ground.

[0003] When excavating a foundation pit, guardrails are usually set up at the edge of the pit to prevent workers from accidentally falling or objects from falling and injuring people.

[0004] Traditional guardrails need to be transported over long distances to the construction site for installation and use. However, the guardrails are large and relatively heavy, which makes the transportation and installation process of the guardrails very inconvenient and needs to be improved. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a temporary protection structure for a foundation pit, which is convenient for transportation and installation.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions: A temporary foundation pit protection structure comprising: A pair of upright posts, vertically and spaced apart on the ground; a crossbeam, horizontally arranged at the middle position of the pair of upright columns; a pair of railings, horizontally arranged between the upper and lower ends of the pair of uprights; The column includes an intermediate rod and a pair of end rods, the pair of end rods are rotatably connected to the two ends of the intermediate rod, and sliders are provided at both ends of the railing. The inner side walls of the intermediate rod and the end rods are provided with sliding grooves for the sliders to slide, and the ends of the end rods are provided with locking pieces for fixing the sliders.

[0007] In a preferred example, the present invention can be further configured as follows: the locking member includes a locking rod and a locking block, the locking rod is arranged in the slide groove, the slider is provided with a locking hole for the locking rod to pass through, and the locking block is arranged on the outer wall of the locking rod and is used to press the slider.

[0008] In a preferred example, the present invention can be further configured as follows: the crossbeam is rotatably connected to the middle rod, a protective net is wound around the outer wall of the crossbeam, the middle position of the protective net is fixed to the crossbeam, and both ends are respectively fixed to a pair of the railings.

[0009] In a preferred example, the present invention can be further configured as follows: both ends of the railing located at the lower end are provided with support portions that contact the ground.

[0010] In a preferred example, the present invention can be further configured as follows: the support portion includes a rotating shaft, a seat plate and a pair of supporting legs, the lower end surface of the railing is provided with a long strip of storage groove, the two sides of the storage groove are arranged in an inclined surface, the rotating shaft is vertically rotatably connected to the middle position of the storage groove, the seat plate is arranged at the lower end of the rotating shaft, the supporting legs are rotatably connected to the two ends of the seat plate, and are used to abut against the two sides of the storage groove or be embedded in the storage groove.

[0011] In a preferred example, the present invention can be further configured as follows: a slot for embedding the supporting leg is provided at the lower inclined surface of the storage slot.

[0012] In a preferred example, the present invention can be further configured as follows: a hook is provided in the slot, and a hole for the hook to pass through is provided on the leg.

[0013] In a preferred example, the present invention can be further configured as follows: the outer wall of the end rod on one side is provided with a dovetail block, and the outer wall of the end rod on the other side is provided with a groove for the dovetail block to be embedded in and a dovetail groove connected to the lower end of the groove and for the dovetail block to be embedded in.

[0014] In a preferred example, the present invention can be further configured as follows: a fixing hole is horizontally provided on the intermediate rod, and a U-shaped fixing hook is provided between a pair of the intermediate rods, and the fixing hook is used to pass through the fixing hole and hook the intermediate rod.

[0015] In summary, the present invention has the following beneficial effects: 1. By setting up a foldable protective structure, it can be stored and transported when folded, reducing the space occupied by the protective structure. At the same time, it can be unfolded on site and quickly installed and fixed, realizing the rapid installation and use of the protective structure and improving installation efficiency; 2. By setting up an automatically retractable protective net, it can automatically unwind and rewind as the protective structure is unfolded and retracted, thereby improving the protective effect of the protective structure and ensuring safety during construction; 3. By providing a flip-up and retractable support portion, the protective structure can be quickly unfolded and fixed when in use, thereby supporting the protective structure. At the same time, it can be quickly retracted during transportation and storage, thereby improving the practicality of the support portion. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of an embodiment; Figure 2 Schematic diagram of the connection relationship of the embodiment; Figure 3 Schematic diagram of the structure of the columns, beams and railings of the embodiment; Figure 4 is a schematic diagram of the expanded state of the support portion of the embodiment; Figure 5 2 is a schematic diagram of a storage state of the support portion of the embodiment.

[0017] Figure numerals: 1. column; 11. middle rod; 12. end rod; 13. slide groove; 14. dovetail block; 15. groove; 16. dovetail groove; 17. fixing hole; 18. fixing hook; 2. crossbeam; 21. protective net; 3. railing; 31. slider; 4. locking piece; 41. locking rod; 42. locking block; 43. locking hole; 5. support part; 51. rotating shaft; 52. seat plate; 53. support leg; 54. clamping hole; 6. storage slot; 61. clamping slot; 62. clamping hook. DETAILED DESCRIPTION

[0018] The present invention will be further described in detail below with reference to the accompanying drawings.

[0019] like Figure 1 、 Figure 2 、 Figure 3 As shown, a temporary protection structure for a foundation pit includes a pair of columns 1, a beam 2, and a pair of railings 3. The pair of columns 1 are vertically and spaced apart on the ground, the beam 2 is horizontally arranged in the middle of the pair of columns 1, and the pair of railings 3 are horizontally arranged between the upper and lower ends of the pair of columns 1.

[0020] like Figure 1 、 Figure 2 、 Figure 3 As shown, the column 1 includes an intermediate rod 11 and a pair of end rods 12, and the pair of end rods 12 are rotatably connected to the two ends of the intermediate rod 11. Sliders 31 are provided at both ends of the railing 3, and the inner side walls of the intermediate rod 11 and the end rod 12 are provided with sliding grooves 13 for the sliding of the slider 31.

[0021] like Figure 1 、 Figure 2 、 Figure 3 As shown, the end of the end rod 12 is provided with a locking member 4 for fixing the slider 31. The locking member 4 includes a locking rod 41 and a locking block 42. The locking rod 41 is disposed in the slide groove 13. The slider 31 is provided with a locking hole 43 for the locking rod 41 to pass through. The locking block 42 is provided on the outer wall of the locking rod 41 and is used to press the slider 31.

[0022] like Figure 1 、 Figure 2 、 Figure 3 As shown, the crossbeam 2 is rotatably connected to the middle rod 11 , and a protective net 21 is wound around the outer wall of the crossbeam 2 . The middle portion of the protective net 21 is fixed to the crossbeam 2 , and both ends are fixed to a pair of railings 3 .

[0023] When the protective structure needs to be transported, the pair of railings 3 are controlled to move closer to each other, so that the railings 3 drive the sliders 31 to slide in the slide grooves 13, and the pair of railings 3 slide to the position of the middle rod 11. At the same time, the crossbeam 2 is controlled to rotate and reel in the protective net 21. Finally, the end rods 12 are controlled to flip so that the end rods 12 clamp the railings 3, and then they are tied with ropes, so that the entire protective structure can be stored, thereby reducing the occupied space and facilitating storage and transportation.

[0024] When the protective structure needs to be installed, the end rod 12 is controlled to flip in the opposite direction so that the end rod 12 and the middle rod 11 are in the same straight line. Then, the pair of railings 3 are controlled to move away from each other, so that the railings 3 drive the slider 31 to slide in the slide groove 13, and the pair of railings 3 slide to the end position of the end rod 12 to support the end rod 12. At the same time, during the sliding process of the slider 31, the locking rod 41 and the locking block 42 pass through the locking hole 43 on the slider 31, and the locking block 42 presses against the outer wall of the slider 31 to fix the railing 3.

[0025] When the railings 3 move away from each other, they pull the protective net 21 into synchronous motion. At the same time, the crossbeam 2 rotates, unwinding the protective net 21. This creates a stable barrier between the railings 3, improving the protective structure's effectiveness and ensuring safety during construction. Finally, the protective structures are connected and fixed to the ground to protect the foundation pit.

[0026] Therefore, by setting up a foldable and retractable protective structure, it can be stored and transported when folded, reducing the space occupied by the protective structure. At the same time, it can be unfolded on site and can be quickly installed and fixed, thereby realizing the rapid installation and use of the protective structure and improving installation efficiency.

[0027] like Figure 1 、 Figure 2 、 Figure 3 As shown, the outer wall of the end rod 12 on one side is provided with a dovetail block 14, and the outer wall of the end rod 12 on the other side is provided with a groove 15 for the dovetail block 14 to be embedded in and a dovetail groove 16 connected to the lower end of the groove 15 and for the dovetail block 14 to be embedded in.

[0028] like Figure 1 、 Figure 2 、 Figure 3 As shown, a fixing hole 17 is horizontally provided on the middle rod 11 , and a U-shaped fixing hook 18 is provided between a pair of middle rods 11 . The fixing hook 18 is used to pass through the fixing hole 17 and hook the middle rod 11 .

[0029] When multiple protective structures need to be connected, one is placed on the ground, the other is lifted, and the dovetail block 14 is controlled to fit into the groove 15. The dovetail block 14 is then pressed against the protective structure to fit into the dovetail groove 16, thereby connecting the two adjacent protective structures. Finally, the fixing hook 18 is removed and passed through the two adjacent intermediate rods 11 to secure the adjacent protective structures together, increasing stability during use.

[0030] like Figure 1 、 Figure 4 、 Figure 5 As shown, both ends of the handrail 3 at the lower end are provided with support parts 5 that contact the ground. The support parts 5 include a rotating shaft 51 , a seat plate 52 and a pair of supporting legs 53 .

[0031] like Figure 4 、 Figure 5 As shown, the lower end surface of the railing 3 is provided with a long strip of storage groove 6, the rotating shaft 51 is vertically connected to the middle position of the storage groove 6, the seat plate 52 is provided at the lower end of the rotating shaft 51, and the supporting legs 53 are rotatably connected to the two ends of the seat plate 52.

[0032] like Figure 4 、 Figure 5 As shown, the two sides of the receiving groove 6 are inclined, which are used to abut the outer wall of the support leg 53. A slot 61 for the support leg 53 to be inserted is provided at the lower inclined surface of the receiving groove 6, a hook 62 is provided in the slot 61, and a hole 54 for the hook 62 to pass through is provided on the support leg 53.

[0033] When the protective structure needs to be installed, the legs 53 are controlled to flip out of the storage slot 6, and then the legs 53 are controlled to drive the seat plate 52 and the rotating shaft 51 to rotate synchronously, so that the seat plate 52 rotates 90 degrees. Then, the pair of legs 53 are controlled to open outward and fit into the slots 61 at the bottom of the storage slot 6. At the same time, the hooks 62 on the slots 61 pass through the holes 54 on the legs 53, securing the legs 53. At this time, the legs 53 can be used to support the entire protective structure, increasing its stability during use.

[0034] When the protective structure needs to be stored, press the hook 62 to disengage from the hole 54, and then control the support leg 53 to flip so that the support leg 53 disengages from the hook 62, and then control the support leg 53 to drive the seat plate 52 and the rotating shaft 51 to rotate synchronously, so that the seat plate 52 rotates 90 degrees in the opposite direction, and then control the pair of support legs 53 to open outward, and embed the support legs 53 into the storage groove 6 to realize the storage of the support legs 53.

[0035] Therefore, by providing a flip-up and retractable support portion 5, the protective structure can be quickly unfolded and fixed when in use, thereby supporting the protective structure. At the same time, it can be quickly retracted during transportation and storage, thereby improving the practicality of the support portion 5.

[0036] The specific embodiments are merely explanations of the present invention and are not limitations of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the embodiments as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A temporary protection structure for a foundation pit, characterized by: include: A pair of upright posts (1) are vertically and spaced apart on the ground; A crossbeam (2) is horizontally arranged at the middle position of a pair of upright columns (1); A pair of railings (3) are horizontally arranged between the upper and lower ends of a pair of upright posts (1); The column (1) includes an intermediate rod (11) and a pair of end rods (12), wherein the pair of end rods (12) are rotatably connected to the two ends of the intermediate rod (11), and sliders (31) are provided at both ends of the railing (3), and the inner side walls of the intermediate rod (11) and the end rods (12) are provided with sliding grooves (13) for the sliders (31) to slide, and the ends of the end rods (12) are provided with locking members (4) for fixing the sliders (31).

2. A temporary protection structure for foundation pit according to claim 1, characterized in that: The locking member (4) comprises a locking rod (41) and a locking block (42); the locking rod (41) is arranged in the sliding groove (13); a locking hole (43) for the locking rod (41) to pass through is provided on the slider (31); the locking block (42) is arranged on the outer wall of the locking rod (41) and is used to press the slider (31).

3. A temporary protection structure for foundation pit according to claim 1, characterized in that: The crossbeam (2) is rotatably connected to the middle rod (11); a protective net (21) is wound around the outer wall of the crossbeam (2); the middle portion of the protective net (21) is fixed to the crossbeam (2), and both ends are respectively fixed to a pair of railings (3).

4. A temporary protection structure for foundation pit according to claim 1, characterized in that: Both ends of the railing (3) at the lower end are provided with support parts (5) that contact the ground.

5. A temporary protection structure for foundation pit according to claim 4, characterized in that: The support portion (5) includes a rotating shaft (51), a seat plate (52) and a pair of supporting legs (53). The lower end surface of the railing (3) is provided with a long strip-shaped receiving groove (6). Both sides of the receiving groove (6) are provided with inclined surfaces. The rotating shaft (51) is vertically rotatably connected to the middle position of the receiving groove (6). The seat plate (52) is provided at the lower end of the rotating shaft (51). The supporting legs (53) are rotatably connected to both ends of the seat plate (52) and are used to abut against both sides of the receiving groove (6) or be embedded in the receiving groove (6).

6. A temporary protection structure for foundation pit according to claim 5, characterized in that: A slot (61) for the support leg (53) to be embedded is provided at the lower inclined surface of the receiving slot (6).

7. A temporary protection structure for foundation pit according to claim 6, characterized in that: A hook (62) is provided in the slot (61), and a hole (54) for the hook (62) to pass through is provided on the leg (53).

8. The temporary protection structure for foundation pit according to claim 1, characterized in that: The outer wall of the end rod (12) on one side is provided with a dovetail block (14), and the outer wall of the end rod (12) on the other side is provided with a groove (15) for the dovetail block (14) to be embedded in, and a dovetail groove (16) connected to the lower end of the groove (15) and for the dovetail block (14) to be embedded in.

9. A temporary protection structure for a foundation pit according to claim 8, characterized in that: A fixing hole (17) is horizontally provided on the intermediate rod (11), and a U-shaped fixing hook (18) is provided between a pair of the intermediate rods (11). The fixing hook (18) is used to pass through the fixing hole (17) and hook the intermediate rod (11).

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