A bored pile top pile head protection device and a protection method thereof

The combined structure of the pile hole protection equipment solves the problem of pile hole collapse, realizes the protection and warning of the pile hole, ensures construction safety, and facilitates equipment maintenance.

CN116378064BActive Publication Date: 2025-12-16CHINA MCC17 GRP CO LTD
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Patent Information

Application Number
CN202310582810.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-23
Publication Date
2025-12-16
Estimated Expiration
2043-05-23

AI Technical Summary

Technical Problem

During the construction of cast-in-place piles, the pile opening is prone to collapse due to rainwater grouting, especially in soft soil layers, which can affect the quality and potentially cause safety accidents.

Method used

The pile head protection equipment adopts a combination structure including vertical pipes, flat plates, guide rods, extrusion plates, threaded rods, handles, insertion rods, and rainproof covers to form protection. Combined with uprights, diagonal rods, fluorescent warning signs, etc., it provides multi-layer protection and warning.

Benefits of technology

It effectively prevents rainwater from entering the pile opening, secures equipment, provides impact protection, and ensures construction safety through fluorescent warning signs, while facilitating component replacement and storage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a bored pile top pile mouth protection equipment and a protection method thereof, which comprises a pile mouth part, a vertical pipe, a flat plate, a guide rod, an extrusion sheet, a threaded rod, a handle, a plug-in rod and a rain cover. The vertical pipe is inserted into the pile mouth part, the bottom outer side of the vertical pipe is fixedly connected with the flat plate, the gap between the vertical pipe and the pile mouth part is protected through the flat plate, the flat plate is arranged above the pile mouth part, two groups of parallel guide rods are fixedly connected in the vertical pipe in a staggered mode, the two groups of guide rods are arranged vertically, the extrusion sheets matched with the guide rods are slidably connected to the corresponding guide rods, the perforations for the guide rods to slide through are formed in the extrusion sheets, the threaded rods are threadedly connected to the middle portions of the extrusion sheets, the threaded holes for the threaded rods to threadedly pass through are formed in the extrusion sheets, the pile mouth part can be protected outside through the vertical pipe, the flat plate and the rain cover, rainwater can be effectively prevented from entering the pile mouth part, and the protection effect is achieved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of perfusion technology, and particularly relates to a pile top pile mouth protection device and a protection method thereof. BACKGROUND

[0002] The perfusion pile refers to a pile formed by means of mechanical drilling, steel pipe soil extrusion or manpower excavation in the ground to form a pile hole, and a reinforcement cage is placed in the pile hole and concrete is poured to form the pile.

[0003] In the construction process of the bored pile, the protection of the pile hole is very important, especially the pile mouth of the pile hole, which is prone to collapse due to rainwater pouring and the like, especially when there is a soft soil layer in the pile hole, a large amount of rainwater pouring into the pile hole will easily cause the pile hole to collapse, which seriously affects the quality and even causes safety accidents.

[0004] Therefore, it is urgent to provide a pile mouth protection method for the pile hole of the perfusion pile, which uses a supporting device to support and fix the inner wall of the pile hole to solve the problem of the pile hole upper end pile mouth collapse in the pouring process in the prior art. SUMMARY

[0005] The present application aims to provide a pile top pile mouth protection device and a protection method thereof to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme.

[0007] A pile top pile mouth protection device and a protection method thereof, comprising a pile mouth portion, a vertical pipe is inserted into the pile mouth portion, a flat plate is fixedly connected to the outside of the bottom of the vertical pipe, the gap between the vertical pipe and the pile mouth portion is protected by the flat plate, the flat plate is arranged above the pile mouth portion, two groups of parallel arranged guide rods are fixedly connected to the vertical pipe in a staggered manner, a corresponding guide rod is slidably connected to a matching extrusion piece, a through hole is formed in the extrusion piece for the guide rod to slide through, a threaded rod is threadedly connected to the middle of the extrusion piece, a threaded hole is formed in the extrusion piece for the threaded rod to pass through and be threadedly connected, one end of the threaded rod is rotatably connected to the vertical pipe, the other end of the threaded rod is rotatably connected to a handle after passing through the vertical pipe, an insertion rod is fixedly connected to the bottom of the extrusion piece, the end of the insertion rod is conically arranged, a rain cover is fixedly connected to the top end of the vertical pipe through a round rod, and the top end of the vertical pipe is protected by the rain cover.

[0008] As a further scheme of the present application, a protection structure is arranged on the outside of the rain cover, the protection structure comprises a vertical rod, a connecting sleeve is arranged at the bottom end of the vertical rod, a connecting column matched with the connecting sleeve is inserted into the connecting sleeve, and the connecting column is fixedly connected to the top surface of the rain cover.

[0009] As a further scheme of the present application: a first hand screw bolt is threadedly connected to the connecting sleeve, the first hand screw bolt is inserted into the connecting sleeve, a threaded hole is formed in the connecting sleeve for threadedly connecting and inserting the first hand screw bolt, so that the connection and fixing of the connecting sleeve and the connecting column are controlled through rotation of the first hand screw bolt, the vertical rod is conveniently disassembled, and the device is separated into two independent individuals.

[0010] As a further scheme of the present application: the top end of the vertical rod is fixedly connected with a triangular cover through a round rod, and the side walls of the triangular cover are fixedly connected with fluorescent warning signs, so that the road pedestrians and vehicles are warned that this is a cast-in-place pile.

[0011] As a further scheme of the present application: a diagonal rod is hingedly connected to the outer side of the upper part of the vertical rod, a pull rod is hingedly connected to the middle part of the diagonal rod, and one end of the pull rod is commonly hingedly connected with a sliding sleeve, and the sliding sleeve is arranged on the outer side of the vertical rod.

[0012] As a further scheme of the present application: a second hand screw bolt is threadedly connected to the sliding sleeve, a threaded hole is formed in the sliding sleeve for threadedly connecting and inserting the second hand screw bolt, and a insertion hole is formed in the vertical rod for inserting the second hand screw bolt, so that the sliding sleeve is positioned and locked, and the opening angle of the diagonal rod is conveniently controlled.

[0013] As a further scheme of the present application: equidistantly arranged grooves are arranged on the diagonal rod, and corresponding stop rings are arranged in the grooves, so that the diagonal rod is isolated and protected by the stop rings to avoid being directly damaged by impact.

[0014] A pile top pile mouth protection method, the method steps are as follows:

[0015] Step one: pile mouth protection, the outer side of the pile mouth part is protected by the vertical pipe, the vertical pipe is inserted into the pile mouth part, the flat plate supports the vertical pipe on the outer side of the pile mouth part, the threaded rod is rotated by rotating the rotating handle, so that the extrusion piece moves along the guide rod, so that the extrusion piece drives the insertion rod to abut against and insert into the side wall of the pile mouth part, so that the pile mouth part is protected by the rain cover, the vertical pipe and the flat plate, and rainwater is effectively prevented from entering the cast-in-place pile;

[0016] Step two: outer end protection, the outer part of the equipment is protected by the diagonal rod and the stop ring, the vertical rod is erected on the rain cover, the connecting sleeve is sleeved on the connecting column, the connecting column is tightly abutted by the first hand screw bolt, the connecting sleeve is stably connected with the connecting column, at this time, the sliding sleeve can be pressed down, so that the diagonal rod is opened by the pull rod, and then the stop ring is placed in the groove, at this time, the second hand screw bolt is twisted to lock the sliding sleeve.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] 1. This invention utilizes the combined use of the pile opening, vertical pipe, flat plate, guide rod, extrusion plate, threaded rod, rotating handle, insertion rod, and rain cover to form a protective barrier on the outside of the pile opening, effectively preventing rainwater from entering the pile opening and thus achieving a protective effect.

[0019] 2. This invention utilizes the cooperative use of the pile vertical pipe, guide rod, extrusion plate, threaded rod, rotating handle, and insertion rod to drive the insertion rod into the ground through the mutual principle of the extrusion plate, thereby fixing the equipment to the bottom surface of the pile opening.

[0020] 3. This invention uses the combination of poles, triangular covers, and fluorescent warning signs to create a fluorescent warning on the top of the equipment, making it easy to remind passing personnel and vehicles that there are grouting piles here.

[0021] 4. This invention utilizes the combined use of uprights, diagonal braces, tie rods, sliding sleeves, second hand-tightened bolts, retaining rings, and insertion holes to form a protective barrier on the outside of the vertical pipe through the diagonal braces and retaining rings, thereby effectively providing impact protection and preventing the vertical pipe from failing to protect the pile opening.

[0022] 5. The present invention uses the cooperation between the upright, connecting sleeve, connecting column and the first hand-tightened bolt to make the upright and rain cover detachable. When the diagonal bar is damaged by impact, the upper detachable parts can be easily replaced to maintain the outer wall protection effect.

[0023] 6. The present invention, through the setting of the diagonal bar and the retaining ring, makes the retaining ring easy to disassemble and install, so that it can be replaced in time when it is damaged, thus maintaining the protective effect of the equipment.

[0024] 7. The present invention utilizes the cooperation between the upright, diagonal, tie rod, sliding sleeve, and second hand-tightened bolt to allow the diagonal rod to retract, reducing space occupation when not in use and facilitating transportation and transfer. Attached Figure Description

[0025] Fig. 1 This is a structural schematic diagram of a pile tip protection device and protection method for cast-in-place piles.

[0026] Fig. 2 This is a partial view of the vertical pipe in a pile top protection device and protection method for cast-in-place piles.

[0027] Fig. 3 This is a partial view of the upright pole in a pile top protection device and protection method for cast-in-place piles.

[0028] Fig. 4 This is a cross-sectional view of the vertical pipe in a pile top protection device and protection method for cast-in-place piles.

[0029] Fig. 5 It is a kind of pile top pile mouth protection equipment and its protection method in sliding sleeve section view.

[0030] In the figure: 1, pile mouth part;2, vertical pipe;3, flat plate;4, guide rod;5, extrusion piece;6, threaded rod;7, plug rod;8, rain cover;9, vertical rod;10, connecting sleeve;11, connecting column;12, first hand bolt;13, triangular cover;14, fluorescent warning sign;15, inclined rod;16, pull rod;17, sliding sleeve;18, second hand bolt;19, retaining ring;20, insertion hole;21, handle. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0032] Please refer to Figs. 1-5 In the embodiments of the present application, a kind of pile top pile mouth protection equipment and its protection method, including pile mouth part 1, the vertical pipe 2 is inserted in the pile mouth part 1, the bottom outside of vertical pipe 2 is fixedly connected with flat plate 3, the gap between vertical pipe 2 and pile mouth part 1 is protected by flat plate 3, flat plate 3 is arranged above pile mouth part 1, two groups of parallelly arranged guide rods 4 are fixedly connected in vertical pipe 2, two groups of guide rods 4 are vertically arranged, corresponding guide rods 4 are jointly slidably connected with extrusion piece 5 matched with them, perforation for the sliding penetration of guide rod 4 is formed in extrusion piece 5, threaded rod 6 is screwed through the middle part of extrusion piece 5, threaded hole for the penetration and threaded connection of threaded rod 6 is formed in extrusion piece 5, one end of threaded rod 6 is rotatably installed with vertical pipe 2, the other end of threaded rod 6 is rotatably penetrated through vertical pipe 2 and then fixedly connected with handle 21, plug rod 7 is fixedly connected to the bottom of extrusion piece 5, the end of plug rod 7 is conically arranged, rain cover 8 is fixedly connected to the top end of vertical pipe 2 through round rod, and the top end of vertical pipe 2 is protected by rain cover 8.

[0033] The outer side of the rain cover 8 is provided with a protection structure, and the protection structure comprises a vertical rod 9, the bottom end of the vertical rod 9 is provided with a connecting sleeve 10, a connecting column 11 matched with the connecting sleeve 10 is inserted into the connecting sleeve 10, and the connecting column 11 is fixedly connected to the top surface of the rain cover 8.

[0034] The first hand screw bolt 12 is inserted into the connecting sleeve 10, and a threaded hole is formed in the connecting sleeve 10 for threaded connection and insertion of the first hand screw bolt 12, so that the connection and fixing of the connecting sleeve 10 and the connecting column 11 are controlled by rotation of the first hand screw bolt 12, the vertical rod 9 is conveniently disassembled, and the device is divided into two independent individuals.

[0035] The top end of the vertical rod 9 is fixedly connected with a triangular cover 13 through a round rod, and the side walls of the triangular cover 13 are fixedly connected with fluorescent warning signs 14, which warn pedestrians and vehicles that this is a cast-in-place pile.

[0036] The upper outer side of the vertical rod 9 is hingedly connected with a diagonal rod 15, the middle part of the diagonal rod 15 is hingedly connected with a pull rod 16, one end of the pull rod 16 is commonly hingedly connected with a sliding sleeve 17, and the sliding sleeve 17 is slidably arranged on the outer side of the vertical rod 9.

[0037] The second hand screw bolt 18 is threaded on the sliding sleeve 17, a threaded hole is formed in the sliding sleeve 17 for threaded connection and insertion of the second hand screw bolt 18, and a plug hole 20 is formed in the vertical rod 9 for insertion of the second hand screw bolt 18, so that the second hand screw bolt 18 can be inserted into the plug hole 2, thereby achieving positioning and locking of the sliding sleeve 17, and thereby facilitating control of the opening angle of the diagonal rod 15.

[0038] The diagonal rod 15 is provided with equally spaced placing grooves, and corresponding stop rings 19 are arranged in the placing grooves, so that the stop rings 19 form outer protection to isolate the vertical pipe 2 from being directly damaged by impact.

[0039] A pile top pile mouth protection method, the method steps are as follows:

[0040] Step one: pile mouth protection, the outer side of the pile mouth part 1 is protected by the vertical pipe 2, the vertical pipe 2 is inserted into the pile mouth part 1, the flat plate 3 supports the vertical pipe 2 on the outer side of the pile mouth part 1, the threaded rod 6 is rotated by rotating the rotating handle 21, so that the extrusion piece 5 moves along the guide rod 4, so that the extrusion piece 5 drives the insertion rod 7 to abut against and insert into the side wall of the pile mouth part 1, thereby protecting the pile mouth part 1 by the rain cover 8, the vertical pipe 2 and the flat plate 3, effectively preventing rainwater from entering the cast-in-place pile;

[0041] Step two: outer end protection, the outer part of the equipment is protected by the diagonal rod 15 and the stop ring 19, the vertical rod 9 is erected on the rain cover 8, the connecting sleeve 10 is sleeved on the connecting column 11, the first hand screw bolt 12 is twisted to abut against the connecting column 11, so that the connecting sleeve 10 is stably connected with the connecting column 11, at this time the sliding sleeve 17 can be pressed down, so that the diagonal rod 15 is opened by the pull rod 16, and then the stop ring 19 is placed in the placing groove, at this time the second hand screw bolt 18 is twisted to lock the sliding sleeve 17.

[0042] Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can be modified, or some of the technical features can be replaced by equivalent features, by those skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for protecting the top of a cast-in-place pile, comprising a pile head portion (1), characterised in that: The pile mouth part (1) is inserted with a vertical pipe (2), the bottom outside of the vertical pipe (2) is fixedly connected with a flat plate (3), the flat plate (3) is arranged above the pile mouth part (1), two groups of parallel arranged guide rods (4) are fixedly connected in the vertical pipe (2), corresponding guide rods (4) are jointly and slidably connected with the matching extrusion piece (5), the middle part of the extrusion piece (5) is threaded through with a threaded rod (6), one end of the threaded rod (6) is rotatably installed with the vertical pipe (2), the other end of the threaded rod (6) is rotatably penetrated through the vertical pipe (2) and is fixedly connected with a handle (21), the bottom of the extrusion piece (5) is fixedly connected with a plug rod (7), the top end of the vertical pipe (2) is fixedly connected with a rain cover (8) through a round rod.

2. A device according to claim 1, characterised in that: The outer side of the rain cover (8) is provided with a protection structure, the protection structure comprises a vertical rod (9), the bottom end of the vertical rod (9) is provided with a connecting sleeve (10), the connecting sleeve (10) is inserted with a connecting column (11) matched therewith, and the connecting column (11) is fixedly connected to the top surface of the rain cover (8).

3. A device according to claim 2, wherein: The connecting sleeve (10) is threadedly connected with a first hand screw bolt (12), the first hand screw bolt (12) is inserted into the connecting sleeve (10), and a threaded hole is formed in the connecting sleeve (10) for threadedly connecting and inserting the first hand screw bolt (12).

4. A device according to claim 3, wherein: The top end of the vertical rod (9) is fixedly connected with a triangular cover (13) through a round rod, and the side walls of the triangular cover (13) are fixedly connected with fluorescent warning signs (14).

5. A device according to claim 4, wherein: The outer side of the upper part of the vertical rod (9) is hingedly connected with an inclined rod (15), the middle part of the inclined rod (15) is hingedly connected with a pull rod (16), one end of the pull rod (16) is jointly hingedly connected with a sliding sleeve (17), and the sliding sleeve (17) is slidably arranged on the outer side of the vertical rod (9).

6. A device according to claim 5, wherein: The sliding sleeve (17) is threadedly connected with a second hand screw bolt (18), a threaded hole is formed in the sliding sleeve (17) for threadedly connecting and inserting the second hand screw bolt (18), and a plug hole (20) is formed in the vertical rod (9) for inserting the second hand screw bolt (18).

7. A device according to claim 6, wherein: The inclined rod (15) is provided with a placing groove at equal distances, and a matching retaining ring (19) is arranged in the placing groove.

8. A method of protecting the top of a cast-in-place pile, characterized by: The equipment for protecting the top end of the pile mouth of the cast-in-place pile comprises the equipment for protecting the top end of the pile mouth of the cast-in-place pile according to claim 7, and the specific steps are as follows: Step one: pile mouth protection, the outer side of the pile mouth part (1) is protected by the vertical pipe (2), the vertical pipe (2) is inserted into the pile mouth part (1), the flat plate (3) supports the vertical pipe (2) on the outer side of the pile mouth part (1), the handle (21) is rotated, the threaded rod (6) is rotated, the extrusion piece (5) is moved along the guide rod (4), the plug rod (7) is inserted into the pile mouth part (1) and is pressed against the side wall of the pile mouth part (1) by the extrusion piece (5), and the pile mouth part (1) is protected by the rain cover (8), the vertical pipe (2) and the flat plate (3), so that rainwater is effectively prevented from entering the cast-in-place pile; Step two: outer protection, through the inclined rod (15) and the blocking ring (19) to protect the outside of the equipment, the vertical rod (9) is erected on the rain cover (8), so that the connecting sleeve (10) is sleeved on the connecting column (11), the first hand screw bolt (12) is twisted, the connecting column (11) is tightly closed, so that the connecting sleeve (10) is stably connected with the connecting column (11), at this time the sliding sleeve (17) is pressed down, so that the inclined rod (15) is stretched through the pull rod (16), and then the blocking ring (19) is placed in the placing groove, at this time the second hand screw bolt (18) is twisted, and the sliding sleeve (17) is locked.

Citation Information

Patent Citations

  • Cast-in-place pile construction process

    CN110904956A

  • Hydraulic ring geologic ground temperature detection orifice protection equipment

    CN113790810A