Anti-falling device for pile hole

Abstract

The utility model discloses an anti-falling device for a pile hole. The anti-falling device comprises a first rotating rod piece, a second rotating rod piece, a third rotating rod piece and a hole shielding surface, one end of the first rotating rod piece, one end of the second rotating rod piece and one end of the third rotating rod pieces are rotationally connected through rotating shafts, and the third rotating rod pieces are arranged between the first rotating rod piece and the second rotating rod piece in a stacked mode. And the hole shielding surface is arranged on the first rotating rod piece, the plurality of third rotating rod pieces and the second rotating rod piece, so that the hole shielding surface can be rotationally unfolded and covers the pile hole, or the hole shielding surface can be rotationally folded between the first rotating rod piece and the second rotating rod piece. The utility model relates to the technical field of constructional engineering, and can solve the problems of low manual filling efficiency and unsaturated utilization rate of filling machinery in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a pile hole anti-falling device. Background Art

[0002] During the pile foundation stage of a construction project, after the construction of prefabricated piles is completed, pits are left at the location where the pile foundation is driven on the construction site, posing a safety hazard to the edge hole opening. At present, the commonly used edge hole opening protection methods include manual filling and mechanical filling. The efficiency of manual filling of the hole opening is low, and the filling density is poor. Mechanical filling requires the use of excavators and other equipment. Although it is more efficient than manual filling, excavator filling needs to wait until the pile foundation construction is carried out, and idle situations often occur. The utilization rate of machinery is not saturated, which wastes the machinery cost to a certain extent. Therefore, it is necessary to provide a pile hole opening anti-fall device that can solve the problems of low efficiency of manual filling and unsaturated utilization rate of filling machinery in the prior art. Summary of the invention

[0003] The utility model aims to provide a pile hole anti-falling device, which can solve the problems of low efficiency of manual filling and unsaturated utilization of filling machinery in the prior art.

[0004] The utility model is achieved in this way:

[0005] A pile hole opening anti-fall device comprises a first rotating rod, a second rotating rod, a third rotating rod and a hole opening shielding surface; one end of the first rotating rod, the second rotating rod and a plurality of third rotating rods are rotatably connected via a rotating shaft, and a plurality of third rotating rods are stacked and arranged between the first rotating rod and the second rotating rod; the hole opening shielding surface is arranged on the first rotating rod, the plurality of third rotating rods and the second rotating rod, so that the hole opening shielding surface can be rotated to unfold and cover the pile hole opening, or the hole opening shielding surface can be rotated to fold between the first rotating rod and the second rotating rod.

[0006] The hole shielding surface is a circular ring structure, and an opening is formed radially on the circular ring structure. One end of the opening is fixedly connected to the first rotating rod, and the other end of the opening is fixedly connected to the second rotating rod. A plurality of third rotating rods are evenly distributed and connected to the hole shielding surface.

[0007] A gap is left between two adjacent third rotating rods, so that the hole shielding surface forms a fold in the gap.

[0008] The outer circle of the hole shielding surface is flush with one end of the plurality of third rotating rods away from the rotating shaft, and the diameter of the outer circle of the hole shielding surface is larger than the diameter of the pile hole.

[0009] A first fixing hole is formed at one end of the third rotating rod away from the rotating shaft, and the fixing rod passes through the first fixing hole and penetrates the third rotating rod and is inserted into the soil beside the pile hole.

[0010] A second fixing hole is formed at one end of the first rotating rod away from the rotating shaft. The fixing rod passes through the second fixing hole and penetrates the first rotating rod and is inserted into the soil beside the pile hole.

[0011] A clamping groove is formed at one end of the first rotating rod away from the rotating shaft, and a clamping protrusion is formed at one end of the second rotating rod away from the rotating shaft. The clamping groove and the clamping protrusion are matched and clamped, so that the second rotating rod is clamped on the first rotating rod.

[0012] The engaging groove is arranged along the length direction of the first rotating rod, and the engaging protrusion is arranged along the length direction of the second rotating rod, so that when the engaging groove is engaged with the engaging protrusion, the first rotating rod and the second rotating rod are arranged in a stacked manner.

[0013] The length of the second rotating rod is greater than that of the third rotating rod and less than that of the first rotating rod.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The utility model is provided with a third rotating rod and a hole shielding surface. The hole shielding surface is supported and flattened by a plurality of third rotating rods and can cover the pile hole. One ends of the plurality of third rotating rods are connected together by a rotating shaft, and the other ends of the plurality of third rotating rods are fixed to the ground at the pile hole by a fixing rod. Even if construction workers accidentally step on the hole shielding surface, stable support for the construction workers can be guaranteed, and effective pile hole protection is played. There is no need for manual filling or mechanical filling of the pile hole, which solves the problems of low efficiency of manual filling and unsaturated utilization of filling machinery.

[0016] 2. The utility model is provided with a first rotating rod, a second rotating rod and a third rotating rod, and a plurality of third rotating rods are rotatably stacked between the first rotating rod and the second rotating rod through a rotating shaft. The utility model can be used to rotate and flatten the hole opening shielding surface or rotate and fold and store the hole opening shielding surface. The utility model is simple to open and close, easy to operate, highly reusable, and can adapt to the pile hole protection of different pile bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a top view of the pile hole anti-falling device of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the first rotating rod in the pile hole anti-falling device of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the second rotating rod in the pile hole anti-falling device of the utility model;

[0020] Figure 4It is a structural schematic diagram of the third rotating rod in the pile hole anti-falling device of the utility model.

[0021] In the figure, 1 is the first rotating rod, 101 is the second fixing hole, 102 is the clamping groove, 2 is the second rotating rod, 201 is the clamping protrusion, 3 is the third rotating rod, 301 is the first fixing hole, 4 is the hole shielding surface, 401 is the fold, and 5 is the rotating shaft. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0023] Please see attached Figure 1 To Attachment Figure 4 A pile hole opening anti-fall device comprises a first rotating rod member 1, a second rotating rod member 2, a third rotating rod member 3 and a hole opening shielding surface 4; one end of the first rotating rod member 1, the second rotating rod member 2 and a plurality of third rotating rod members 3 are rotatably connected through a rotating shaft 5, respectively, and a plurality of third rotating rod members 3 are stacked and arranged between the first rotating rod member 1 and the second rotating rod member 2; the hole opening shielding surface 4 is arranged on the first rotating rod member 1, the plurality of third rotating rod members 3 and the second rotating rod member 2, so that the hole opening shielding surface 4 can be rotated and unfolded and cover the pile hole opening, or the hole opening shielding surface 4 can be rotated and folded between the first rotating rod member 1 and the second rotating rod member 2.

[0024] The second rotating rod 2 can rotate around the rotating shaft 5 relative to the first rotating rod 1. Figure 1 As shown in the figure, the third rotating rods 3 are rotated and opened in sequence under the drive of the hole shielding surface 4, so that the hole shielding surface 4 is unfolded to cover the pile hole for protection. Figure 1 As shown in the counterclockwise rotation, driven by the hole shielding surface 4, several third rotating rods 3 are rotated and retracted in sequence, and the hole shielding surface 4 is folded. Several third rotating rods 3 and the hole shielding surface 4 are stacked between the first rotating rod 1 and the second rotating rod 2, reducing the occupied space and facilitating storage and transportation.

[0025] The first rotating rod member 1, the second rotating rod member 2, and a plurality of third rotating rod members 3 are connected by a rotating shaft 5 to form a fan skeleton, which can be flexibly rotated to open or close. The hole shielding surface 4 forms a fan surface, and the fan surface is unfolded to achieve shielding and protection of the pile hole opening, and the folding function of the fan is used to reduce the storage volume.

[0026] Preferably, the first rotating rod member 1, the second rotating rod member 2, and the third rotating rod member 3 can be made of iron alloy, and the third rotating rod member 3 can adopt a flat or curved structure, with strong corrosion resistance, high structural strength, and strong bearing capacity; the hole opening shielding surface 4 can be made of aluminum alloy, and a crease 401 or a folding hinge is pre-arranged on the hole opening shielding surface 4, and the hole opening shielding surface 4 can also be made of flexible materials such as nylon cloth to ensure the folding effect of the hole opening shielding surface 4 when it is folded, and also to ensure the covering protection effect of the hole opening shielding surface 4 when it is unfolded.

[0027] Please see attached Figure 1 The hole shielding surface 4 is a circular ring structure, and an opening is formed radially on the circular ring structure, one end of the opening is fixedly connected to the first rotating rod 1, and the other end of the opening is fixedly connected to the second rotating rod 2, and a plurality of third rotating rods 3 are evenly distributed and connected to the hole shielding surface 4.

[0028] The outer circle size of the hole shielding surface 4 of the circular ring structure can be determined according to the size of the pile hole, so as to ensure that the hole shielding surface 4 extends to the ground outside the pile hole and has a certain overlap area, so as to ensure that the outer circle of the pile hole is completely covered to prevent people or objects from falling. The inner circle size of the hole shielding surface 4 can be adaptively adjusted according to actual needs to ensure that the gap between the adjacent third rotating rods 3 not covered by the hole shielding surface 4 is small, and people or objects will not fall. At the same time, since the gap between the adjacent third rotating rods 3 not covered by the hole shielding surface 4 is located in the middle of the pile hole, the probability of a falling event is low, and the protection safety of the entire device is high.

[0029] Please see attached Figure 1 A gap is left between two adjacent third rotating rods 3, so that the hole shielding surface 4 forms a fold 401 in the gap.

[0030] When the third rotating rod 3 rotates and retracts, the hole shielding surface 4 rotates synchronously with the third rotating rod 3. By setting the gap between the third rotating rods 3, it is ensured that the hole shielding surface 4 is folded and stored between adjacent third rotating rods 3 through the fold 401, and its structure is the same as that of a folding fan.

[0031] Please see attached Figure 1 The outer circle of the hole shielding surface 4 is flush with the end of the plurality of third rotating rods 3 away from the rotating shaft 5, and the outer circle diameter of the hole shielding surface 4 is larger than the pile hole diameter.

[0032] The ends of several third rotating rods 3 and the outer circle of the hole shielding surface 4 can extend to the ground outside the pile hole, transferring the load to the ground, ensuring the stable cover of the entire device on the pile hole to achieve the required protection area and protection effect.

[0033] Please see attached Figure 4A first fixing hole 301 is formed at one end of the third rotating rod 3 away from the rotating shaft 5, and a fixing rod (not shown in the figure) passes through the first fixing hole 301 and penetrates the third rotating rod 3 and is inserted into the soil beside the pile hole.

[0034] Preferably, a first fixing hole 301 can be set at the corners on both sides of one end of the third rotating rod 3 away from the rotating shaft 5, and the first fixing hole 301 can be inserted into the soil beside the pile hole through two fixing rods to ensure the setting stability of the third rotating rod 3 and improve the bearing capacity of the entire fan frame, thereby ensuring the protective effect of the hole shielding surface 4.

[0035] Please see attached Figure 1 and attached Figure 2 A second fixing hole 101 is formed at one end of the first rotating rod 1 away from the rotating shaft 5, and a fixing rod (not shown in the figure) passes through the second fixing hole 101 and penetrates the first rotating rod 1 and is inserted into the soil beside the pile hole.

[0036] The fixing rod is inserted into the soil beside the pile hole through the second fixing hole 101 to ensure the stability of the first rotating rod 1, improve the bearing capacity of the whole fan frame, and further enhance the protection effect of the hole shielding surface 4.

[0037] Please see attached Figure 1 To Attachment Figure 3 The first rotating rod member 1 has a snap-in groove 102 formed at one end away from the rotating shaft 5, and the second rotating rod member 2 has a snap-in protrusion 201 formed at one end away from the rotating shaft 5. The snap-in groove 102 matches and snaps with the snap-in protrusion 201, so that the second rotating rod member 2 is snapped onto the first rotating rod member 1.

[0038] The arrangement of the clamping groove 102 and the clamping protrusion 201 facilitates the connection of the second rotating rod 2 and the first rotating rod 1, so that the second rotating rod 2 and the first rotating rod 1 are relatively stationary and stacked. Under the restriction of the hole shielding surface 4, the second rotating rod 2 and the first rotating rod 1, the relative stationary state of the plurality of third rotating rods 3 can be ensured, thereby ensuring the flattening and folding of the hole shielding surface 4.

[0039] Preferably, the clamping groove 102 and the clamping protrusion 201 can adopt a rectangular structure, and the shapes of the clamping groove 102 and the clamping protrusion 201 can also be adaptively adjusted according to the actual clamping requirements to ensure the reliable connection and flexible disassembly of the second rotating rod 2 and the first rotating rod 1. At the same time, the clamping height of the clamping groove 102 and the clamping protrusion 201 can be determined according to the thickness and number of the third rotating rod 3 to ensure the integrity of the fan frame after rotation and expansion and rotation and folding, and avoid relative looseness between the rotating rods.

[0040] Please see attached Figure 1 To Attachment Figure 3The engaging groove 102 is arranged along the length direction of the first rotating rod 1, and the engaging protrusion 201 is arranged along the length direction of the second rotating rod 2, so that when the engaging groove 102 is engaged with the engaging protrusion 201, the first rotating rod 1 and the second rotating rod 2 are arranged in a stacked manner.

[0041] When the engaging groove 102 is engaged with the engaging protrusion 201 , radial and circumferential tangential limiting is formed on the first rotating rod 1 and the second rotating rod 2 , effectively preventing the first rotating rod 1 and the second rotating rod 2 from rotating relative to each other, thereby ensuring the unfolding protection effect or folding storage effect of the hole shielding surface 4 .

[0042] Preferably, the engaging groove 102 and the engaging protrusion 201 can be made of hard plastic and fixed to the first rotating rod 1 and the second rotating rod 2 respectively by bolts, so as to ensure a firm engaging connection and reduce the cost of replacement due to wear.

[0043] Please see attached Figure 1 The length of the second rotating rod member 2 is greater than the length of the third rotating rod member 3 and less than the length of the first rotating rod member 1 .

[0044] The length of the second rotating rod 2 is slightly smaller than that of the first rotating rod 1, which facilitates the engagement of the engaging groove 102 with the engaging protrusion 201. The length of the second rotating rod 2 is slightly larger than that of the third rotating rod 3, which facilitates the control of the rotation of the second rotating rod 2 through the end of the second rotating rod 2, thereby driving the opening shielding surface 4 and the third rotating rod 3 to rotate open and rotate close.

[0045] Please see attached Figure 1 To Attachment Figure 4 , the usage method and working principle of the utility model are:

[0046] According to the size of the pile hole opening, select a hole shielding surface 4 with an outer circle diameter larger than the pile hole opening diameter, a third rotating rod 3 with a length greater than the radius of the pile hole opening, a second rotating rod 2 with a length greater than the third rotating rod 3, and a first rotating rod 1 with a length greater than the second rotating rod 2.

[0047] The first rotating rod 1, a plurality of third rotating rods 3 and a second rotating rod 2 are stacked in sequence and connected by rotation through a reserved rotating shaft hole at one end of a rotating shaft 5. The plurality of third rotating rods 3 are rotated and staggered around the rotating shaft 5 in sequence, so that the plurality of third rotating rods 3 are evenly distributed in a circular range and are located between the stacked first rotating rod 1 and the second rotating rod 2.

[0048] The circular hole shielding surface 4 is fixed on the first rotating rod 1, a plurality of third rotating rods 3 and the second rotating rod 2, and the hole shielding surface 4 is disconnected between the first rotating rod 1 and the second rotating rod 2 to form an opening.

[0049] After the pile foundation construction is completed, the second rotating rod 2 is passed through the rotating shaft 5 to Figure 1 As shown, it rotates clockwise to open, and the hole shielding surface 4 drives several third rotating rods 3 to rotate and open synchronously. After the second rotating rod 2 rotates 360°, it is stacked with the first rotating rod 1 again. At this time, the hole shielding surface 4 is unfolded to form a circular ring structure, and the snap-in protrusion 201 can be snapped into the snap-in groove 201. The unfolding action process of the hole shielding surface 4 is consistent with the unfolding action process of the folding fan, and the operation is simple.

[0050] The hole shielding surface 4 is covered on the pile hole, and a fixing rod such as a steel bar, soil nail, or steel pipe is passed through the second fixing hole 101 on the first rotating rod 1 and the first fixing hole 301 on each third rotating rod 3 and inserted into the soil body around the pile hole, thereby ensuring that the hole shielding surface 4 and each third rotating rod 3 are stably covered on the pile hole, improving the bearing capacity of the entire device, and achieving the purpose of protection. Even if a construction worker accidentally steps on the hole shielding surface 4, the construction worker can be stably supported to avoid falling accidents.

[0051] After the protection is completed, the fixing rod is removed and the second rotating rod 2 is passed through the rotating shaft 5 to Figure 1 As shown, the hole shielding surface 4 rotates counterclockwise, driving several third rotating rods 3 to rotate and retract synchronously through the hole shielding surface 4. After the second rotating rod 2 rotates 360°, it is stacked with the first rotating rod 1 again. At this time, the hole shielding surface 4 is folded along the crease 401 between each stacked third rotating rod 3, and the snap-in protrusion 201 can be snapped into the snap-in groove 101. The folding action process of the hole shielding surface 4 is consistent with the folding action process of the folding fan, and the operation is simple.

[0052] The above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pile hole anti-fall device, characterized by: The invention comprises a first rotating rod (1), a second rotating rod (2), a third rotating rod (3) and a hole shielding surface (4); one end of the first rotating rod (1), the second rotating rod (2) and a plurality of third rotating rods (3) are rotatably connected via a rotating shaft (5), and a plurality of third rotating rods (3) are stacked and arranged between the first rotating rod (1) and the second rotating rod (2); the hole shielding surface (4) is arranged on the first rotating rod (1), the plurality of third rotating rods (3) and the second rotating rod (2), so that the hole shielding surface (4) can be rotated to unfold and cover the pile hole, or the hole shielding surface (4) can be rotated to fold between the first rotating rod (1) and the second rotating rod (2).

2. The pile hole anti-fall device according to claim 1 is characterized in that: The hole shielding surface (4) is a circular ring structure, and an opening is formed in the radial direction on the circular ring structure, one end of the opening is fixedly connected to the first rotating rod (1), and the other end of the opening is fixedly connected to the second rotating rod (2), and a plurality of third rotating rods (3) are evenly distributed and connected to the hole shielding surface (4).

3. The pile hole anti-fall device according to claim 1 or 2, characterized in that: A gap is left between two adjacent third rotating rods (3), so that the hole shielding surface (4) forms a fold (401) in the gap.

4. The pile hole anti-fall device according to claim 3 is characterized in that: The outer ring of the hole shielding surface (4) is flush with one end of the plurality of third rotating rods (3) away from the rotating shaft (5), and the diameter of the outer ring of the hole shielding surface (4) is larger than the diameter of the pile hole.

5. The pile hole anti-fall device according to any one of claims 1, 2 and 4, characterized in that: A first fixing hole (301) is formed at one end of the third rotating rod (3) away from the rotating shaft (5), and the fixing rod passes through the first fixing hole (301) and penetrates the third rotating rod (3) and is inserted into the soil beside the pile hole.

6. The pile hole anti-fall device according to claim 1 or 2, characterized in that: A second fixing hole (101) is formed at one end of the first rotating rod (1) away from the rotating shaft (5); the fixing rod passes through the second fixing hole (101) and penetrates the first rotating rod (1) and is inserted into the soil beside the pile hole.

7. The pile hole anti-fall device according to claim 1 is characterized in that: A clamping groove (102) is formed at one end of the first rotating rod member (1) away from the rotating shaft (5), and a clamping protrusion (201) is formed at one end of the second rotating rod member (2) away from the rotating shaft (5); the clamping groove (102) and the clamping protrusion (201) are matched and clamped, so that the second rotating rod member (2) is clamped on the first rotating rod member (1).

8. The pile hole anti-fall device according to claim 7 is characterized in that: The engaging groove (102) is arranged along the length direction of the first rotating rod component (1), and the engaging protrusion (201) is arranged along the length direction of the second rotating rod component (2), so that when the engaging groove (102) and the engaging protrusion (201) are engaged, the first rotating rod component (1) and the second rotating rod component (2) are arranged in a stacked manner.

9. The pile hole anti-fall device according to claim 1 or 2, characterized in that: The length of the second rotating rod (2) is greater than the length of the third rotating rod (3) and less than the length of the first rotating rod (1).

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