CN220686068U - Anti-clogging device for prestressed concrete pipe pile - Google Patents

Abstract

The utility model discloses a prestressed concrete pipe pile anti-clogging device, which comprises two steel discs which are arranged oppositely, wherein the middle shafts of the two steel discs are collinear, a plurality of steel holes are uniformly formed on the two steel discs around the middle shaft, stand columns are concentrically and coaxially arranged in the middle of the steel discs, the two steel discs and the stand columns are matched to form an I-shaped structure, sponge is filled around the stand columns in the middle position of the I-shaped structure, one end of each stand column penetrates through the steel disc and protrudes outwards, small pier blocks are concentrically and coaxially arranged on the end surfaces of the protruding stand columns, pull rings are arranged on the small pier blocks, a plurality of transverse brackets which are arranged along the radial direction of the stand columns are uniformly arranged on the side surfaces of the protruding stand columns around the middle shaft at equal intervals, and the transverse brackets are clamped at pipe orifices. The device filters water to block soil particles, prevents clogging and can be reused.

Description

Anti-clogging device for prestressed concrete pipe pile

Technical Field

The utility model relates to the technical field of civil engineering pile foundation construction, in particular to a device for preventing a prestressed concrete pipe pile from being blocked.

Background

The pile foundation is a foundation form with high bearing capacity, wide application range and long history. For the weak stratum, large foundation deformation and abundant groundwater, the pile foundation can greatly improve the bearing capacity of the foundation. However, in the pile foundation construction process, the soil body falls into the pipe under mechanical vibration, so that the post-stage pipe pile is required to be dredging, and the engineering progress is seriously influenced.

Disclosure of Invention

The utility model aims to overcome the defects, provide the anti-clogging device for the prestressed concrete pipe pile, prevent soil from entering, and solve the problem that the soil needs dredging treatment when entering the pipe pile in the existing construction process.

The utility model aims to solve the technical problems, and adopts the technical scheme that: the utility model provides a prestressed concrete tubular pile prevents silting up device, includes two steel discs of relative arrangement, and the jackshaft collineation of two steel discs, all is equipped with a plurality of steel holes on two steel discs around the jackshaft evenly, the centre of steel disc is equipped with the stand coaxially with the heart, and two steel discs and stand cooperation form I shape structure, encircle the stand and fill in the intermediate position of I shape structure and have the sponge, one of them one end of stand runs through steel disc backward outwards arch, and concentric coaxial being equipped with on the terminal surface of bellied stand is equipped with little pier, and is equipped with the pull ring on the little pier, is equipped with a plurality of cross brackets all along stand radial arrangement around the jackshaft equally interval on the side of bellied stand.

Preferably, the steel disc near the side of the small abutment is integrally formed with the upright post, the end face of the upright post far away from the side of the small abutment is concentrically and coaxially provided with a stud, and the stud is detachably provided with a fastener.

More preferably, the steel plate far away from one side of the small abutment is movably sleeved and matched with the upright post, the fastening piece is positioned at the bottom of the steel plate, and the sponge forms clamping fit between the two steel plates through threaded fit of the fastening piece and the stud.

Further, the sponge is of an annular structure, and the sponge penetrates through the stud and then is sleeved on the upright post.

Further, the inner radius of the sponge is consistent with the radius of the upright post, the outer radius of the sponge is consistent with the radius of the steel disc, and the height of the sponge is not less than the linear distance from the steel disc to the stud at one side close to the small abutment.

Preferably, the number of the transverse brackets is at least two, and the two transverse brackets are symmetrically arranged about the upright post.

Preferably, the number and the positions of the steel holes on the two steel plates are in one-to-one correspondence, and the sizes of the steel holes are the same.

Preferably, the radius of the steel disc is consistent with the inner radius of the prestressed concrete pipe pile, the length of the transverse support is not smaller than the outer radius of the prestressed concrete pipe pile, and the transverse support is closely attached to the adjacent steel disc.

Preferably, the upright is a hollow cylinder.

The utility model has the beneficial effects that:

1. the device uses the fastening piece to clamp the steel disc to form the plug body, the plug body is placed in the pipe orifice, and the plug body is fixed at the pipe orifice by the transverse support, so that water is filtered out through the steel hole and the sponge, soil is intercepted on the steel disc and the sponge, clogging is prevented, dredging procedures are reduced, and working efficiency is improved;

2. the plug body can be taken out through the lifting pull ring, so that the device can be reused, the device is convenient to detach and install, the sponge is replaceable, and the use times are improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the utility model with the top view broken away;

FIG. 3 is a bottom view exploded view of the present utility model;

FIG. 4 is a schematic perspective view of the utility model without a sponge installed;

in the figure: 1. a pull ring; 2. a small abutment; 3. a transverse bracket; 4. a steel disc; 5. a column; 6. a steel hole; 7. a sponge; 8. a stud; 9. a fastener.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the specific examples.

As shown in fig. 1 to 4, as a preferred embodiment 1, a prestressed concrete pipe pile anti-clogging device includes two steel plates 4 arranged in opposite directions, and the intermediate shafts of the two steel plates 4 are collinear, a plurality of steel holes 6 are uniformly formed on each of the two steel plates 4 around the intermediate shaft, an upright 5 is concentrically and coaxially formed in the middle of the steel plate 4, the two steel plates 4 and the upright 5 cooperate to form an i-shaped structure, a sponge 7 is filled around the upright 5 in the middle of the i-shaped structure, one end of the upright 5 protrudes outwards after penetrating through the steel plate 4, a small abutment 2 is concentrically and coaxially arranged on the end face of the protruding upright 5, a pull ring 1 is arranged on the small abutment 2, and a plurality of cross brackets 3 are uniformly arranged along the radial direction of the upright 5 around the intermediate shaft at equal intervals on the side face of the protruding upright 5.

The embodiment 1 provides a prestressed concrete pipe pile anti-clogging device, which is characterized in that an I-shaped structure is formed by utilizing a steel disc 4 and an upright post 5, a sponge 7 is filled in the middle to form a cock body with a water filtering function, the cock body is placed into an opening of a concrete pipe pile when in use, the cock body is clamped with the opening of the pipe pile by utilizing a transverse bracket 3, so that the cock body is fixed, water filtering is realized by utilizing a steel hole 6 and a sponge 7, water smoothly passes through and soil is filtered on the sponge 7, and clogging is prevented; when the soil body is excavated in the later stage, the plug body can be taken out through the mutual cooperation of the lifting device and the pull ring 1, and the plug body can be recycled.

As shown in fig. 2 to 4, in a preferred embodiment 2, the steel plate 4 near the small abutment 2 is integrally formed with the upright 5, and the end surface of the upright 5 far from the small abutment 2 is concentrically and coaxially provided with a stud 8, and the stud 8 is detachably provided with a fastener 9.

As a preferred embodiment 3, the steel plate 4 on the side far from the small abutment 2 is movably sleeved and matched with the upright post 5, a fastening piece 9 is positioned at the bottom of the steel plate 4, and the sponge 7 forms clamping fit between the two steel plates 4 through threaded fit of the fastening piece 9 and the stud 8.

The embodiment 2~3 provides the installation method of concrete arrangement to little pier 2 one side is last, and double-screw bolt 8 one side is down, and the steel sheet 4 of upside is direct with stand 5 integrated into one piece conveniently fixes a position and installs, and downside steel sheet 4 forms press fit with sponge 7 through fastener 9, make things convenient for the installation of sponge, cup joint sponge 7 on stand 5 earlier during the use, then prevent to cup joint sponge 5 with downside steel sheet 4 after the stand 5 in the bottom of sponge 7, compress tightly downside steel sheet 4 through knob fastener 9, make sponge 7 press from both sides tightly between two steel sheets 4, on the one hand conveniently dismantle and install, can repetitious usage through changing sponge 7, improve the rate of use, on the other hand guarantee the fixed mounting of sponge 7, thereby guarantee the drainage effect of cock body, prevent that earth from entering into the tubular pile and forming siltation.

As a preferable embodiment 4, the sponge 7 is in a ring structure, the sponge 7 passes through the stud 8 and then is sleeved on the upright post 5, a filter layer is formed in the guaranteed area, water flows out through the sponge 7 through the steel hole 6, and substances which are easy to cause clogging are intercepted on the sponge 7 and the steel disc 4.

As a preferred embodiment 5, the sponge 7 may be formed in a ring shape by joining a rectangular sponge around the head and the tail of the column 7, or cut into a desired integral ring-shaped sponge by using a whole sponge.

As a preferable embodiment 6, the inner radius of the sponge 7 is consistent with the radius of the upright post 5, the outer radius of the sponge 7 is consistent with the radius of the steel disc 4, a plug body formed by the steel disc 4 and the sponge 7 is tightly attached to the inner wall of the tubular pile, the height of the sponge 7 is not less than the linear distance from the steel disc 4 on one side close to the small abutment 2 to the stud 8, the compression of the sponge is facilitated, the sealing performance is improved, and the filtering effect is ensured.

As a preferred embodiment 7, at least two cross brackets 3 are provided, and the two cross brackets 3 are symmetrically arranged about the upright 5 for clamping the plug body at the opening.

As a preferred embodiment 8, the number and the positions of the steel holes 6 on the two steel discs 4 are in one-to-one correspondence, and the sizes of the steel holes 6 are the same, so that water filtering is facilitated, and the water filtering efficiency is improved.

As a preferred embodiment 9, the radius of the steel disc 4 is consistent with the inner radius of the prestressed concrete pipe pile, the length of the transverse support 3 is not less than the outer radius of the prestressed concrete pipe pile, the transverse support 3 is tightly attached to the adjacent steel disc 4, the plug body formed by the steel disc 4 and the sponge 7 is perfectly matched with the inner wall of the pipe pile, the water filtering effect is ensured, when the transverse support 3 is clamped at the opening, the steel disc 4 at the upper side is just flush with the opening, and when the pile length of the prestressed concrete pipe pile is insufficient, the pile feeder can completely cover the device and send the device to the ground.

As a preferred embodiment 10, the upright 5 is a hollow cylinder, so that the installation strength is ensured, the weight is reduced, and the recovery is convenient.

The working principle of the utility model is as follows:

in the pile foundation construction process, when the pile length of the prestressed concrete pipe pile is insufficient, the pile length can meet the design requirement by adopting a pile driver to convey the pile length below the ground. When the prestressed pipe pile is exposed out of the ground by 50cm, operators sequentially install the sponge 7, the steel discs 4 and the fasteners 9, the sponge 7 is clamped and fixed between the steel discs 4 through the fasteners 9 to form a plug body, the device is covered on the prestressed concrete pipe head, the plug body is lowered from the pipe head, the steel discs 4 are flush with the pile head of the pipe pile in the lowering process of the device, and the transverse support 3 is supported on the pile head wall to be completely attached. Under the action of soil body, the device is locked at the pile head. In the later soil excavation process, an operator pulls the device out by using a mechanical device pulling ring 1, so that the device can be recycled. The device can effectively prevent soil from falling into the hollow pile due to pile foundation construction and pile foundation hole backfill, reduces pile hole dredging links in the foundation pile cap construction process after foundation pit excavation, saves engineering cost, shortens construction period, and can prevent damage caused by soaking of underground water.

Claims (9)

1. The utility model provides a prestressed concrete tubular pile anti-clogging device, its characterized in that, including two steel discs (4) of relative arrangement, and the jackshaft collineation of two steel discs (4), all be equipped with a plurality of steel holes (6) on two steel discs (4) around the jackshaft uniformly, the centre of steel disc (4) is equipped with stand (5) concentric coaxially, and two steel discs (4) and stand (5) cooperation form I shape structure, encircle stand (5) on the intermediate position of I shape structure and fill and have sponge (7), one of them end of stand (5) runs through steel disc (4) backward outwards protruding, and concentric coaxial being equipped with little pier (2) on the terminal surface of bellied stand (5), and be equipped with pull ring (1) on little pier (2), be equipped with a plurality of cross brackets (3) all along stand (5) radial arrangement around the jackshaft equidistant on the side of bellied stand (5).

2. The anti-clogging device for the prestressed concrete pipe pile is characterized in that the steel disc (4) close to one side of the small abutment (2) and the upright post (5) are integrally formed, a stud (8) is concentrically and coaxially arranged on the end face of the upright post (5) far away from one side of the small abutment (2), and a fastener (9) is detachably arranged on the stud (8).

3. A prestressed concrete pipe pile anti-clogging device according to claim 2, characterized in that the steel disc (4) on the side remote from the small abutment (2) is movably in socket fit with the upright (5), and the fastener (9) is located at the bottom of the steel disc (4), the sponge (7) forms a clamping fit between the two steel discs (4) by the threaded fit of the fastener (9) with the stud (8).

4. A prestressed concrete pipe pile anti-clogging device according to claim 3, characterized in that the sponge (7) is of a ring-shaped structure, and the sponge (7) is sleeved on the upright post (5) after passing through the stud (8).

5. The anti-clogging device for the prestressed concrete pipe pile is characterized in that the inner radius of the sponge (7) is consistent with the radius of the upright post (5), the outer radius of the sponge (7) is consistent with the radius of the steel disc (4), and the height of the sponge (7) is not smaller than the linear distance from the steel disc (4) on the side close to the small pier (2) to the stud (8).

6. The anti-clogging device for the prestressed concrete pipe pile is characterized in that at least two transverse brackets (3) are arranged symmetrically with respect to the upright post (5).

7. The anti-clogging device for the prestressed concrete pipe pile is characterized in that the number and the positions of the steel holes (6) on the two steel plates (4) are in one-to-one correspondence, and the sizes of the steel holes (6) are the same.

8. The anti-clogging device for the prestressed concrete pipe pile according to any one of claims 1 to 7, wherein the radius of the steel disc (4) is consistent with the inner radius of the prestressed concrete pipe pile, the length of the transverse support (3) is not smaller than the outer radius of the prestressed concrete pipe pile, and the transverse support (3) is tightly attached to the adjacent steel disc (4).

9. A prestressed concrete pipe pile anti-clogging device according to claim 1, characterized in that the upright (5) is a hollow cylinder.