CN219973162U

CN219973162U - Anti-pulling pile

Info

Publication number: CN219973162U
Application number: CN202321502526.0U
Authority: CN
Inventors: 李�浩; 邹永红; 肖春; 钱治杭; 徐伟; 马超; 钟家强
Original assignee: Eternal Estate Engineering Design Co ltd
Current assignee: Eternal Estate Engineering Design Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-11-07
Anticipated expiration: 2033-06-13

Abstract

The utility model discloses a uplift pile, which comprises a pile body, wherein the pile body is of a hollow structure with an opening at the upper end, a plurality of groups of uplift pieces are arranged in the pile body along the longitudinal direction of the pile body, the uplift pieces comprise limiting parts, and a plurality of extending parts are arranged on the limiting parts of the uplift pieces at intervals; the side wall of the pile body is provided with a through hole matched with the extending part of the anti-pulling piece, an expansion piece is arranged in a space formed by the limiting part in the pile body, and the extending part of the anti-pulling piece can be pushed out of the through hole when the expansion piece expands; according to the utility model, the anti-pulling piece is arranged in the pile body of the anti-pulling pile, and the anti-pulling piece is pushed out of the pile body through the expansion piece, so that the anti-pulling capacity of the anti-pulling pile is improved; the anti-pulling piece adopts an integral structure, so that the structure strength and the anti-pulling capability of the anti-pulling piece are improved, the anti-pulling piece can be conveniently arranged in the pile body, and the stability and the reliability of the action of the anti-pulling piece in the pile body can be improved, so that the anti-pulling pile has good practicability.

Description

Anti-pulling pile

Technical Field

The utility model belongs to the technical field of building construction, and particularly relates to a uplift pile.

Background

Along with large-scale city construction, in order to efficiently utilize urban land, more and more underground structures are built in cities, but due to extreme conditions such as storm or groundwater level change, buoyancy of the underground structures is overrun due to the influence of groundwater level, and problems such as structural instability or cracking occur, so that huge economic loss is caused. Aiming at the problem of anti-floating, the current common measures comprise increasing the foundation weight, adopting an anti-pulling anchor rod or an anti-pulling pile and the like, but the common anti-pulling pile mainly provides the anti-pulling force through the side friction resistance of the pile and has limited anti-pulling capability.

Disclosure of Invention

The utility model aims to provide a uplift pile, which solves the problem of poor uplift capacity of the uplift pile.

The utility model is realized by the following technical scheme:

the uplift pile comprises a pile body, wherein the pile body is of a hollow structure with an opening at the upper end, a plurality of groups of uplift pieces are arranged in the pile body along the longitudinal direction of the pile body, the uplift pieces comprise limiting parts, and a plurality of extending parts are arranged on the limiting parts of the uplift pieces at intervals; the side wall of the pile body is provided with a through hole matched with the extending part of the anti-pulling piece, an expansion piece is arranged in a space formed by the limiting part in the pile body, and the extending part of the anti-pulling piece can be pushed out of the through hole when the expansion piece expands.

Further, the anti-pulling pieces are arranged in the pile body in an array along the circumferential direction of the pile body.

Further, a limiting component is arranged in the pile body, the limiting part of the anti-pulling piece is matched with the limiting component, the position of the anti-pulling piece in the pile body is limited, and the movement direction of the anti-pulling piece in the pile body is guided.

Further, the limiting component comprises one or two limiting parts arranged in the pile body, a plurality of sliding grooves are formed in one end face of each limiting part, the sliding grooves are formed in the radial direction of the pile body, sliding parts matched with the sliding grooves are arranged at the end parts of the limiting parts, and the sliding parts are matched with the sliding grooves.

Further, the limiting assembly comprises two limiting pieces arranged in the pile body, the two limiting pieces are respectively arranged at two ends of the anti-pulling piece, sliding parts are respectively arranged at two ends of the upper limiting part of the anti-pulling piece, and the sliding parts at two ends of the limiting parts are respectively and correspondingly arranged in the sliding grooves of the two limiting pieces.

Further, the limiting part is an arc-shaped cross-section plate.

Further, the lower end of the pile body is provided with an inserting part which is in a sharp corner structure.

Compared with the prior art, the utility model has the following advantages:

according to the utility model, the anti-pulling piece is arranged in the pile body of the anti-pulling pile, and the anti-pulling piece is pushed out of the pile body through the expansion piece, so that the anti-pulling capacity of the anti-pulling pile is improved; the anti-pulling piece adopts an integral structure, so that the structure strength and the anti-pulling capability of the anti-pulling piece are improved, the anti-pulling piece can be conveniently arranged in the pile body, and the stability and the reliability of the action of the anti-pulling piece in the pile body can be improved, so that the anti-pulling pile has good practicability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly describe the drawings in the embodiments, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic cross-sectional view of a pile according to the present utility model.

Fig. 2 is a top view of a uplift pile according to the present utility model.

Fig. 3 is a schematic structural view of a limiting member in a uplift pile according to the present utility model.

Fig. 4 is a schematic structural view of the uplift pile in the push-out state of the uplift part.

Fig. 5 is a top view of the structure of the uplift pile in the push-out state of the uplift part.

Wherein: 1-pile body, 2-anti-pulling piece, 3-extension part, 4-limit part, 41-sliding part, 5-through hole, 6-expansion piece, 7-insertion part, 8-limit part, 81-chute and 9-inflation valve.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

As shown in fig. 1, the uplift pile comprises a pile body 1, wherein the interior of the pile body 1 is of a hollow structure, the upper end of the pile body 1 is of an opening structure, and an uplift part 2 is arranged in the hollow structure of the pile body 1; the anti-pulling member 2 comprises an extending part 3 and a limiting part 4, wherein the extending part 3 is connected with the limiting part 4 in a welding mode, a plurality of extending parts 3 are arranged on the limiting part 4, the extending parts 3 are arranged on the limiting part 4 at intervals, and preferably, the extending parts 3 of the anti-pulling member 2 are in a nail shape; the side wall of the pile body 1 is provided with a through hole 5 matched with the extension part 3 of the anti-pulling piece 2, the extension part 3 of the anti-pulling piece 2 can extend out of the through hole 5, and after the extension part 3 of the anti-pulling piece 2 passes through the through hole 5, the limiting part 4 of the anti-pulling piece 2 can be abutted with the inner side wall of the pile body 1 and limited by the side wall of the pile body 1; an expansion piece 6 is arranged in the pile body 1, the expansion piece 6 is preferably an air bag, and an inflation valve 9 is arranged at the top end of the air bag; when the expansion piece 6 expands, the extension part 3 of the anti-pulling piece 2 can be pushed out of the through hole 5 and inserted into the foundation, so that the anti-pulling performance of the pile body 1 is improved.

As shown in fig. 1 and 2, preferably, in order to better increase the resistance to pulling of the pile body 1, the resistance to pulling is uniformly distributed in the pile body 1 along four directions of up, down, left and right of the side wall of the pile body 1, and a plurality of protruding parts 3 are arranged at intervals on the same axis of the resistance to pulling piece 2 in the axial direction of the pile body 1, so as to achieve a stable resistance to pulling effect.

As shown in fig. 2 and 3, a limiting component is arranged inside the pile body 1, the limiting component is matched with the diameter of the pile body 1, the pile body 1 can bear the expansion piece 6 and the anti-pulling piece 2, the anti-pulling piece 2 can be vertically arranged inside the pile body 1, a sliding part 41 is arranged at the end part of the limiting part 4 of the anti-pulling piece 2, the sliding part 41 of the anti-pulling piece 2 can be matched with the limiting component, and the limiting component limits the anti-pulling piece 2 and can enable the anti-pulling piece 2 to move along a certain direction.

In one embodiment, the limiting component comprises a limiting piece 8, in order to enable the anti-pulling piece 2 to be better positioned with the through hole 5, and meanwhile, in order to enable the extending portion 3 of the anti-pulling piece 2 to be more stably placed in the pile body 1 before being inserted into a foundation, the limiting piece 8 is arranged in the pile body 1, a sliding groove 81 is formed in the limiting piece 8, the sliding groove 81 is distributed in the vertical and horizontal directions on the plane of the limiting piece 8, preferably, a sliding portion 41 at one end of the limiting portion 4 on the anti-pulling piece 2 extends into the sliding groove 81 and can slide outwards along the sliding groove 81 under the action of external force, after the anti-pulling piece 2 is inserted into the sliding groove 81, the extending portion 3 of the anti-pulling piece 2 can be accurately aligned with the through hole 5, and the extending portion can accurately extend out of the pile body 1 under the action of the expansion piece 6 to be inserted into the foundation in a convenient working state.

In another embodiment, two limiting members 8 are disposed in the pile body, the two limiting members 8 are disposed at the upper and lower ends of the pile body 1, the two limiting members 8 can limit the pulling-resistant member 2 better in the pile body, when in installation, one of the limiting members 8 is disposed at the bottom of the pile body 1, then the sliding portions 41 of the four pulling-resistant members 2 are disposed in the sliding grooves 81 of the limiting members respectively, and then the other limiting member is fastened at the upper end of the pulling-resistant member 2, so that the sliding grooves 81 of the limiting members 8 are matched with the sliding portions 41 at the upper end of the limiting portion 4 of the pulling-resistant member 2 respectively, and therefore, by limiting the two ends of the pulling-resistant member 2 simultaneously, the integral structure of the pulling-resistant member 2 is combined, the stability and reliability of the position of the pulling-resistant member 2 in the pile body 1 can be ensured, and the pulling-resistant member 2 is prevented from being displaced in the construction process, so that the protruding portion 3 of the pulling-resistant member 2 cannot be pushed out normally. Of course, a hole structure for the air inlet nozzle of the air bag to pass through can be arranged on the limiting piece 8 so as to ensure the normal arrangement and use of the air bag.

Preferably, the pile body is cylindrical, the limiting part of the anti-pulling piece is a plate-shaped structure with an arc-shaped section, a certain space can be formed between the arc-shaped sections of the four groups of anti-pulling pieces to accommodate an air bag or other expansion pieces, and meanwhile, after the pile body is extruded by the air bag through the extending part of the anti-pulling piece, the arc-shaped section plate on the anti-pulling piece can be matched with the radian of the side wall of the cylindrical pile body, so that the extending part can be inserted into a foundation to the greatest extent, and the anti-pulling effect of the pile body is improved.

The expansion piece 6 is arranged on the central axis of the pile body 1 and is positioned at the central axis formed between the pull-out resistant pieces 2 arranged in an array, so that the force can be uniformly distributed on the pull-out resistant pieces 2 in the four directions of up, down, left and right when the expansion piece 2 expands.

As shown in fig. 4 and 5, in order to simultaneously force all parts of the pull-out resistant member 2 in the axial direction in the pile body 1, it is preferable that the length of the expansion member 6 is set to a size matching the hollow length in the pile body 1, so that the expansion member 6 can complete the pressing action of the pull-out resistant member 2 at one time.

The bottom of pile body is provided with insert 7, and in general, insert sets up in locating part 8 below and welds simultaneously with pile body 1 and locating part 8, and insert 7 sets up to the closed angle structure to in the foundation of being convenient for.

When the uplift pile is embedded, firstly, the pile body 1 of the uplift pile is inserted into a foundation, then the uplift pieces 2 in four directions, namely the upper direction, the lower direction, the left direction and the right direction, are sequentially placed in the pile body 1, the limiting part 4 of the uplift pieces 2 is inserted into the sliding groove 81 of the limiting piece 8, so that the uplift pieces are stable in the pile body 1, the extending parts 3 of the uplift pieces 2 are aligned with the through holes 5, an air bag is placed between the uplift pieces 2 in the four directions, at the moment, the uplift pieces 2 above the pile body 1 are installed above the uplift pieces 2 to be matched with the sliding parts 41 of the limiting parts 4, so that the uplift pieces 2 are stable in the pile body 1, then the air valve 9 on the air bag is connected with an air pump, after the air bag is inflated, the limiting parts 4 of the uplift pieces 2 are extruded, meanwhile, the extending parts 3 of the uplift pieces 2 are pressed into the foundation, then the air bag is deflated, high-strength concrete is poured into the pile body 1, and the pile body 1 strength can be increased, so that the embedding of the uplift pile is completed.

In the description of the present utility model, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are used to indicate orientations or positional relationships based on those shown in the drawings, or those that are conventionally put in use in the product of the present utility model, they are merely used to facilitate description of the present utility model and simplify description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "horizontal," "vertical," and the like in the description of the present utility model, if any, do not denote absolute levels or overhangs, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present utility model fall within the scope of the present utility model.

Claims

1. The uplift pile is characterized by comprising a pile body (1), wherein the pile body (1) is of a hollow structure with an opening at the upper end, a plurality of groups of uplift pieces (2) are arranged in the pile body (1) along the longitudinal direction of the pile body, the uplift pieces (2) comprise limiting parts (4), and a plurality of protruding parts (3) are arranged on the limiting parts (4) of the uplift pieces (2) at intervals; be provided with on the lateral wall of pile body (1) with extension (3) matched with of anti-pulling member (2) through hole (5), be provided with expansion member (6) in the space that spacing portion formed in pile body (1), can push out extension (3) of anti-pulling member (2) outside through hole (5) when expansion member (6) inflation.

2. Uplift pile according to claim 1, characterized in that the uplift pieces (2) are arranged in an array in the pile body along the circumference of the pile body (1).

3. Uplift pile according to claim 1, characterized in that a limiting component is arranged in the pile body (1), a limiting part (4) of the uplift part (2) is matched with the limiting component, the position of the uplift part (2) in the pile body (1) is limited, and the movement direction of the uplift part (2) in the pile body (1) is guided.

4. A uplift pile according to claim 3, characterized in that the limit component comprises one or two limit parts (8) arranged in the pile body (1), a plurality of sliding grooves (81) are arranged on one end face of each limit part (8), the sliding grooves (81) are arranged along the radial direction of the pile body, sliding parts (41) matched with the sliding grooves (81) are arranged at the end parts of the limit parts (4), and the sliding parts (41) are matched with the sliding grooves (81).

5. The uplift pile according to claim 4, characterized in that the limiting assembly comprises two limiting pieces (8) arranged in the pile body (1), the two limiting pieces (8) are respectively arranged at two ends of the uplift piece (2), sliding parts (41) are respectively arranged at two ends of the upper limiting part of the uplift piece (2), and the sliding parts (41) at two ends of the limiting parts (4) are respectively and correspondingly arranged in sliding grooves (81) of the two limiting pieces (8).

6. A stake according to claim 1, characterised in that the limit portion (4) is an arcuate section plate.

7. A uplift pile according to claim 1, characterized in that the pile body (1) is provided with an insertion portion (7) at its lower end, the insertion portion (7) being provided in a pointed configuration.