CN210597272U

CN210597272U - Hollow pile for civil construction

Info

Publication number: CN210597272U
Application number: CN201921179995.7U
Authority: CN
Inventors: 夏丽
Original assignee: Zhejiang Zhengda Pipe Pile Co Ltd
Current assignee: Zhejiang Zhengda Pipe Pile Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-05-22
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a hollow pile for civil construction, include the pile body of compriseing pile body and stake point, the inside of stake point is seted up with the inside cavity that communicates of pile body, it has the ejector pin that the lower extreme extends to in the cavity to slide in the pile body, the upper end fixedly connected with of ejector pin is located the inside gliding disc of pile body, integrated into one piece has two archs, two on the outer wall of disc protruding symmetry sets up, set up two and protruding big or small position assorted spacing grooves on the inner wall of pile body, every the arch all is located the spacing inslot and slides, the lower extreme of ejector pin is equipped with sharp end, two chutes with the inside intercommunication of cavity are seted up to the symmetry on the outer wall of stake point. The utility model discloses a push rod move down the extrusion inserted bar and slide out from the chute and insert in the soil and carry on spacingly to hollow pile, make hollow pile fixed more firm, avoid the not hard up of hollow pile, the rotation after moving down through the disc simultaneously fixes the position of inserted bar.

Description

Hollow pile for civil construction

Technical Field

The utility model relates to the technical field of building, especially, relate to a hollow pile for civil construction.

Background

The reinforced concrete pile used in civil engineering has two types, namely a hollow pile and a solid pile, the hollow pile is a hollow cylindrical long concrete prefabricated component, and the hollow pile has the advantages of low manufacturing cost, light weight, relative easiness in hoisting and transportation and the like, so that the hollow pile is accepted by the market and popularized and used.

However, the conventional hollow pile has the following problems: the pile tip part of the hollow pile is sharp and smooth so as to be smoothly inserted into the soil, but the friction force between the pile tip part and the soil is small, and the pile body is easy to loosen after being inserted, so that the civil construction problem is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art, and the hollow pile for civil construction who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hollow pile for civil construction, includes the pile body of constituteing by pile body and stake point, the inside of stake point set up with the inside cavity that communicates of pile body, it has the ejector pin that the lower extreme extends to in the cavity to slide in the pile body, the upper end fixedly connected with of ejector pin is located the inside gliding disc of pile body, integrated into one piece has two archs, two on the outer wall of disc protruding symmetry sets up, set up two and protruding big or small position assorted spacing groove on the inner wall of pile body, every the arch all is located and slides in the spacing groove, the lower extreme of ejector pin is equipped with sharp end, two chutes that communicate with the cavity is inside to the symmetry on the outer wall of stake point, it has the inserted bar to slide in the chute.

Preferably, the inner wall of the cavity is fixed with two limiting rods, the two inserted rods are respectively sleeved on one of the limiting rods, and a sliding groove is formed in the joint of the inserted rod and the limiting rod.

Preferably, a telescopic spring is fixed between the outer wall of each limiting rod and the inner wall of the sliding groove.

Preferably, the upper side wall of the disc is provided with a round opening, and a rotating rod in interference fit with the round opening is inserted into the round opening.

Preferably, the cavity is annular, and the diameter of the cavity is larger than that of the disc.

Compared with the prior art, the hollow pile for the native wood building has the advantages that:

1. the hollow pile fixing device is characterized in that a top rod and an inserted rod are arranged, when the top rod moves downwards, a sharp surface at the lower end of the top rod is in contact with the end part of the inserted rod, the inserted rod is extruded to slide outwards in the chute and then is inserted into soil, the hollow pile is limited, the hollow pile is prevented from being loosened, and the hollow pile is fixed more firmly;

2. the disc is arranged, moves downwards into the cavity, and then is driven to rotate through the rotation of the rotating rod, so that the bulge is rotated away from the limiting groove, the disc is prevented from moving upwards, and the position of the inserted rod is fixed;

to sum up, the utility model discloses a moving down of ejector pin extrudes the inserted bar and carries on spacingly to the hollow pile in sliding out the soil from the chute, makes the hollow pile fixed more firm, avoids becoming flexible of hollow pile, and the rotation after moving down through the disc simultaneously fixes the position of inserted bar.

Drawings

Fig. 1 is a schematic structural view of a hollow pile for civil construction according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is the utility model provides a hollow pile's for civil construction top view.

In the figure: 1 pile body, 2 pile tips, 3 cavities, 4 ejector rods, 5 discs, 6 rotating rods, 7 round mouths, 8 bulges, 9 chutes, 10 inserted rods, 11 chutes, 12 limiting rods, 13 telescopic springs and 14 limiting grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a hollow pile for civil construction comprises a pile body composed of a pile body 1 and a pile tip 2, a cavity 3 communicated with the inside of the pile body 1 is arranged inside the pile tip 2, a mandril 4 with the lower end extending into the cavity 3 is arranged in the pile body 1 in a sliding manner, a disc 5 sliding in the pile body 1 is fixedly connected with the upper end of the mandril 4, the cavity 3 is annular, the diameter of the cavity 3 is larger than that of the disc 5, the disc 5 can move down into the cavity 3, two bulges 8 are integrally formed on the outer wall of the disc 5, the two bulges 8 are symmetrically arranged, two limit grooves 14 matched with the bulges 8 in size and position are arranged on the inner wall of the pile body 1, each bulge 8 is arranged in the limit groove 14 in a sliding manner, the bulges 8 slide in the limit grooves 14 to limit the disc 5, the disc 5 is guaranteed to move stably, the lower end of the mandril 4 is provided with a sharp end, two inclined grooves 9 communicated with the inside of the cavity 3 are, there is inserted bar 10 sliding in chute 9, the inner wall of cavity 3 is fixed with two gag lever post 12, two inserted bar 10 overlap respectively and establish on one of them gag lever post 12, spout 11 has been seted up with gag lever post 12's junction to inserted bar 10, inserted bar 10 removes and slides on gag lever post 12's outer wall, it is more steady to guarantee that inserted bar 10 removes, all be fixed with expanding spring 13 between the outer wall of every gag lever post 12 and the inner wall of spout 11, it further says, when expanding spring 13 expandes completely, the one end that ejector pin 4 was kept away from to inserted bar 10 still is located chute 9, after hollow pile buries ground, promote disc 5 and ejector pin 4 through shifting down of bull stick 6 and move down, the sharp face of ejector pin 4 lower extreme contacts with the tip of inserted bar 10, extrusion inserted bar 10 moves and inserts to the soil outwards sideslipping in chute 9, carry out the spacing to hollow pile, avoid the hollow pile to become flexible.

Round mouth 7 has been seted up to the last lateral wall of disc 5, round mouth 7 interpolation is equipped with runner 6 rather than interference fit, the lower extreme of runner 6 is inserted and is connected in round mouth 7, runner 6 moves down and drives disc 5 and ejector pin 4 and down remove, after disc 5 removed to cavity 3, rotate runner 6, runner 6 drives disc 5 and rotates, make protruding 8 change and contact from spacing groove 14 and the interior roof of cavity 3, avoid disc 5 to move up, the realization is fixed the position of inserted bar 10.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

Now, the operation principle of the present invention is explained as follows:

after the hollow pile buries ground, through the bull stick 6 move down promotion disc 5 and ejector pin 4 move down, sharp face and the tip contact of inserted bar 10 of ejector pin 4 lower extreme, extrusion inserted bar 10 moves and then inserts to soil toward the outside in chute 9, it is spacing to carry out hollow pile, avoid hollow pile not hard up, disc 5 moves down to in the cavity 3 when bull stick 6 removes, the rotation of rethread bull stick 6 drives disc 5 and rotates, make protruding 8 commentaries on classics from spacing groove 14, avoid disc 5 to move up, the realization is fixed the position of inserted bar 10, avoid the inserted bar 10 after-moving, it can to follow-up with the bull stick 6 extraction.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The hollow pile for the civil construction comprises a pile body consisting of a pile body (1) and a pile tip (2), and is characterized in that a cavity (3) communicated with the inside of the pile body (1) is formed in the pile tip (2), a push rod (4) with the lower end extending into the cavity (3) is arranged in the pile body (1) in a sliding manner, a disc (5) which is positioned in the pile body (1) in a sliding manner is fixedly connected to the upper end of the push rod (4), two bulges (8) are integrally formed on the outer wall of the disc (5), the two bulges (8) are symmetrically arranged, two limit grooves (14) matched with the sizes and the positions of the bulges (8) are formed in the inner wall of the pile body (1), each bulge (8) is positioned in the limit groove (14) in a sliding manner, a sharp end is arranged at the lower end of the push rod (4), two inclined grooves (9) communicated with the inside of the cavity (3) are symmetrically formed in the outer wall of the pile tip (2), an inserted rod (10) is arranged in the inclined groove (9) in a sliding mode.

2. The hollow pile for the civil construction according to claim 1, characterized in that two limiting rods (12) are fixed on the inner wall of the cavity (3), the two insert rods (10) are respectively sleeved on one of the limiting rods (12), and a sliding groove (11) is formed at the joint of the insert rod (10) and the limiting rod (12).

3. A hollow pile for civil construction according to claim 2, characterised in that a telescopic spring (13) is fixed between the outer wall of each of the retaining rods (12) and the inner wall of the chute (11).

4. A hollow pile for civil construction according to claim 1, characterized in that the upper side wall of the disc (5) is provided with a round mouth (7), and a rotating rod (6) which is in interference fit with the round mouth (7) is inserted into the round mouth (7).

5. A hollow pile for civil engineering according to claim 1, characterised in that the cavity (3) is annular, the diameter of the cavity (3) being greater than the diameter of the disc (5).