Anti-collapse device for pile hole construction

Abstract

The utility model belongs to the technical field of pile hole construction auxiliary equipment, and particularly relates to a pile hole construction anti-collapse device which comprises a plurality of casing pipe bodies vertically stacked together in a pile hole, a limiting insertion ring body is integrally formed on one side of each casing pipe body, a limiting insertion groove matched with the limiting insertion ring body is formed in the other side of each casing pipe body, and the limiting insertion ring body is arranged in the limiting insertion groove. In every two adjacent sleeve main bodies, the limiting insertion ring bodies on the lower sleeve main body are in butt joint with the limiting insertion grooves of the upper sleeve main body, and the stability of overall connection and use is enhanced; the extrusion ring is rotated on the threaded rod to be close to the pile hole, and the rod penetrating part is driven into the inner wall of the pile hole, so that the connection stability of the pile hole and the casing pipe body is further enhanced, concrete can be safely poured into the casing pipe body at a time after the whole pile hole is drilled subsequently, time and labor are saved, a complete anti-collapse protection area is formed, and the construction efficiency is improved. And the safety of personnel during operation and construction in the pile hole is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of pile hole construction auxiliary equipment, and specifically relates to a pile hole construction anti-collapse device. Background Art

[0002] During the excavation process of bored piles or after the pile hole is formed, pile hole collapse may occur due to the deep excavation of the pile hole, the fine pile hole, the high water content of the soil layer at the construction site, or the encounter of quicksand and silt.

[0003] Traditionally, concrete is poured to protect the wall to avoid collapse. Basically, concrete is poured every 12 meters to protect the wall. The wall is protected at any time during the excavation process. This can effectively prevent the hole wall from collapsing. In the above process, pile hole construction auxiliary equipment, that is, pile hole construction anti-collapse device, is required. Usually, the casing (anti-collapse device) is placed, and then concrete is poured between the outer side of the casing and the inner wall of the pile hole to achieve the effect of preventing the pile hole from collapsing. However, it is inconvenient to use.

[0004] The pouring of concrete in pile hole construction is not uniform (concrete is poured once for wall protection every 12m of excavation), which is time-consuming. When the casing (formwork) is used, it needs to be repeatedly disassembled and assembled to assist the subsequent concrete pouring process, which is cumbersome and inconvenient, and not practical.

[0005] Therefore, it is necessary to propose a pile hole construction anti-collapse device to effectively improve the above problems. Utility Model Content

[0006] In order to solve the above problems existing in the prior art, the utility model provides a pile hole construction anti-collapse device, which has the characteristics of facilitating the installation operation of the pile hole construction anti-collapse device to be carried out safely, stably and quickly.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pile hole construction anti-collapse device, comprising a plurality of casing bodies stacked vertically in the pile hole, one side of the casing body is integrally formed with a limiting insert ring body, and the other side of the casing body is provided with a limiting slot matched with the limiting insert ring body, the limiting insert ring body on the lower casing body of the two adjacent casing bodies is docked into the limiting slot of the upper casing body, thereby enhancing the stability of the overall connection, a plurality of rotating holes are arranged in a ring on the limiting insert ring body, a threaded rod is connected at the rotating hole, one end of the threaded rod is integrally connected with a swivel, and an extrusion ring is screwed on the outer side of the threaded rod.

[0008] As a preferred technical solution of the pile hole construction anti-collapse device of the utility model, a plurality of through holes are arranged in an annular manner on the casing body at the position of the limiting slot.

[0009] As the preferred technical solution of the pile hole construction anti-collapse device of the utility model, a plurality of through grooves are annularly opened on the extrusion ring, through the grooves are penetrated by through rods, and a rod head is fixed at one end of the through rod.

[0010] As a preferred technical solution of the pile hole construction anti-collapse device of the utility model, an empty groove is opened inside the threaded rod, and a flow hole is opened on the wall surface of the threaded rod.

[0011] As a preferred technical solution of the pile hole construction anti-collapse device of the utility model, the empty groove is communicated with the flow hole.

[0012] Compared with the prior art, the utility model has the following beneficial effects: when the utility model is in use, the limiting insert ring body provided at the bottom of the casing body cooperates with the limiting slot provided at the top of the casing body, so that the two casing bodies adjacent to each other can be stably clamped together. At the same time, the threaded rod and the rotating head are used at the clamping position of the limiting insert ring body and the limiting slot, and the hole and the perforation position are rotated, so that the two casing bodies adjacent to each other can be more stably combined together, so as to ensure the stability of multiple casing bodies in the pile hole when they are stacked and used, and the sealing between the two casing bodies adjacent to each other is good, so that the concrete pouring operation can be carried out stably, the utility model is strong, and then the preliminary anti-collapse setting is carried out, and the casing body does not need to be dismantled at this time;

[0013] The rotation design of the threaded rod and the rotating head at the clamping point of the limit plug ring body and the limit slot, the rotation hole and the perforation position, and the outer end of the threaded rod inserted into the pile hole, so that a gap for pouring concrete can be left between the casing body and the inside of the pile hole, and the casing body can be stably placed in the pile hole, and then the extrusion ring is rotated on the threaded rod to make it close to the pile hole, and the penetration part of the rod is driven into the inner wall of the pile hole, which further strengthens the connection stability between the pile hole and the casing body, and can facilitate the subsequent safe pouring of concrete at one time after the overall pile hole is drilled, which is more time-saving and labor-saving, thereby forming a complete anti-collapse protection zone, and ensuring the safety of personnel operating in the pile hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 for Figure 1 The enlarged structural diagram at A in the middle;

[0017] Figure 3 It is a schematic diagram of the structure of the top side of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the bottom side of the utility model;

[0019] Figure 5 It is a schematic diagram of the structural state of the utility model when it is actually stacked and used.

[0020] In the figure: 1. sleeve body; 2. limit insert ring body; 3. limit slot; 4. rotating hole; 5. threaded rod; 6. rotating head; 7. perforation; 8. extrusion ring; 9. through groove; 10. through rod; 11. rod head; 12. empty slot; 13. flow hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0022] See also Figure 1-5 , the utility model provides the following technical solutions: a pile hole construction anti-collapse device, comprising a plurality of casing bodies 1 vertically stacked together in the pile hole;

[0023] A limiting insert ring body 2 is integrally formed on one side of the casing body 1, and a limiting slot 3 adapted to the limiting insert ring body 2 is provided on the other side of the casing body 1. The limiting insert ring body 2 on the lower casing body 1 of the two adjacent casing bodies 1 is docked into the limiting slot 3 of the upper casing body 1, thereby enhancing the stability of the overall connection and use, so that multiple casing bodies 1 can be connected together more stably and maintain integrity for stable use;

[0024] A plurality of rotating holes 4 are arranged in a ring on the limiting insert ring body 2, and a threaded rod 5 is connected at the rotating holes 4. A rotating head 6 is integrally connected to one end of the threaded rod 5, so that the threaded rod 5 can be rotated by rotating the rotating head 6. At the same time, an extrusion ring 8 is screwed on the outer side of the threaded rod 5. In this embodiment, the outer end of the threaded rod 5 is rotated and inserted into the soil layer wall of the pile hole, and then the extrusion ring 8 is rotated to make it fit with the soil layer wall of the pile hole, so that the connection between the pile hole and the casing body 1 has better connection stability, and a plurality of through grooves 9 are annularly opened on the extrusion ring 8, and a through rod 10 is penetrated at the through grooves 9. A rod head 11 is fixed at one end of the through rod 10, and the part of the rod head 11 can be knocked to knock the through rod 10 into the soil layer wall of the pile hole, so that the connection stability between the casing body 1 and the pile hole is further enhanced.

[0025] See also Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, a plurality of through holes 7 are arranged in a ring shape on the sleeve body 1 at the position of the limit slot 3. The through holes 7 at the limit slot 3 can correspond one to one when the limit slot 3 on two adjacent sleeve bodies 1 are connected with the limit insert ring body 2, so that the threaded rod 5 can be threaded here, and the two upper and lower adjacent sleeve bodies 1 can be more stably combined together, so as to ensure the stability of multiple sleeve bodies 1 when they are stacked in the pile hole, and the sealing between the two upper and lower adjacent sleeve bodies 1 is better, so that the concrete pouring operation can be carried out stably, and it is practical.

[0026] An empty groove 12 is provided inside the threaded rod 5, and a flow hole 13 is provided on the wall surface of the threaded rod 5 (the empty groove 12 is connected to the flow hole 13). Through the threaded rod 5 and the rotating head 6 at the clamping position of the limit insert ring body 2 and the limit slot 3, the rotation hole 4 and the through hole 7 are rotated, and the outer end of the threaded rod 5 is inserted into the pile hole, so that a gap for pouring concrete can be left between the casing body 1 and the inside of the pile hole, and the casing body 1 can be stably placed in the pile hole. Then, the extrusion ring 8 is rotated on the threaded rod 5 to make it close to the pile hole, and part of the through rod 10 is driven into the inner wall of the pile hole, which further strengthens the connection stability between the pile hole and the casing body 1, and can facilitate the subsequent safe pouring of concrete once the overall pile hole is drilled, which is relatively time-saving and labor-saving.

[0027] During pouring, concrete will flow into the empty groove 12 through the flow hole 13, thereby enhancing the connection stability between the concrete and the soil layer wall of the pile hole, thereby enhancing the safe and stable use of the pile hole construction anti-collapse device.

[0028] The working principle and use process of the utility model: during the use of the utility model, after the pile hole is excavated to a certain depth, the casing body 1 is placed in the pile hole, and there is a gap between the inner wall of the pile hole and the casing body 1. At this time, the side where the upper limit plug ring body 2 of the casing body 1 exists faces upward, and then a threaded rod 5 is passed through the rotating hole 4 on the limiting plug ring body 2 at this time, and an extrusion ring 8 is turned on the outer end of the threaded rod 5, and the corresponding rotating head 6 is rotated so that a part of the threaded rod 5 can be stably inserted into the soil layer wall of the pile hole, and then the extrusion ring 8 outside the threaded rod 5 is rotated to make the extrusion ring 8 fit with the inner wall of the pile hole, and there is still a gap between the inner wall of the pile hole and the casing body 1, and then the piercing rod 10 passed through the groove 9 on the extrusion ring 8 is knocked into the soil layer wall of the pile hole, so that the connection stability between the casing body 1 and the pile hole is further enhanced, which can play a certain degree of anti-collapse effect;

[0029] Then continue to dig downwards. After digging a certain distance, place the new casing body 1 below the fixed casing body 1, and then dock the limiting insert ring body 2 on the lower casing body 1 into the limiting slot 3 on the upper casing body 1. Then, use the threaded rod 5 to penetrate the corresponding rotating hole 4 and the perforation 7 (refer to Figure 5 As shown), repeat the above-mentioned installation steps of the threaded rod 5 and the structure thereon, and the connection of the two adjacent upper and lower casing bodies 1 can be completed, which further strengthens the stability between the casing bodies 1 and provides safety for the subsequent pouring of concrete. In addition, steel bars can be welded between the two adjacent upper and lower threaded rods 5 to strengthen the connection strength between the two adjacent casing bodies 1 (it also increases the contact area with the concrete during concrete pouring, thereby strengthening the stability of the placement of multiple casing bodies 1 in the pile hole); by analogy, the anti-collapse structure can be set downward while digging. Finally, after the overall depth excavation in the pile hole is completed, concrete can be poured between the casing body 1 and the inner wall of the pile hole, so that the concrete pouring operation can be carried out at one time, which is relatively time-saving and labor-saving, thereby forming a complete anti-collapse protection zone, ensuring the safety of personnel operating in the pile hole, and the structure is simple, which is convenient for personnel to operate, and part of the casing body 1 does not need to be dismantled for repeated use, and can be directly left in the pile hole for storage and use, thereby ensuring the safe implementation of the anti-collapse operation of the pile hole construction.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A pile hole construction anti-collapse device, characterized in that: The invention comprises a plurality of casing bodies (1) vertically stacked together in a pile hole, a limiting insert ring body (2) being integrally formed on one side of the casing body (1), a limiting slot (3) matching the limiting insert ring body (2) being provided on the other side of the casing body (1), the limiting insert ring body (2) on the lower casing body (1) of the two adjacent casing bodies (1) being docked into the limiting slot (3) of the upper casing body (1), thereby enhancing the stability of the overall connection, a plurality of rotating holes (4) being arranged in an annular manner on the limiting insert ring body (2), a threaded rod (5) being connected to the rotating hole (4), one end of the threaded rod (5) being integrally connected to a rotating head (6), and an extrusion ring (8) being screwed on the outer side of the threaded rod (5).

2. The pile hole construction anti-collapse device according to claim 1, characterized in that: The sleeve body (1) is provided with a plurality of through holes (7) arranged in an annular pattern at the position of the limiting slot (3).

3. The pile hole construction anti-collapse device according to claim 2, characterized in that: The extrusion ring (8) is provided with a plurality of through grooves (9) in an annular shape, through grooves (9) are provided with through rods (10), and a rod head (11) is fixed to one end of the through rod (10).

4. The pile hole construction anti-collapse device according to claim 3, characterized in that: An empty groove (12) is provided inside the threaded rod (5), and a flow hole (13) is provided on the wall surface of the threaded rod (5).

5. The pile hole construction anti-collapse device according to claim 4, characterized in that: The empty groove (12) is communicated with the flow hole (13).

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