CN219508580U

CN219508580U - Novel pile foundation pore-forming fills jacket

Info

Publication number: CN219508580U
Application number: CN202320257329.0U
Authority: CN
Inventors: 宋永哲; 陈成; 周舒; 张照川; 刘康; 李赞; 陈晓婷
Original assignee: CCCC Second Harbor Engineering Co
Current assignee: CCCC Second Harbor Engineering Co
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-08-11
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses a novel pile foundation pore-forming pouring jacket, two ends of which are placed on a reinforcement cage lowering frame at the outer side of a pile foundation to be filled, comprising: the main body frame is of a rectangular square frame structure and comprises three standard sections and a pair of transformation sections, the transformation sections are of structures formed by inwards cutting two sides of the standard sections, the transformation sections are symmetrically arranged and are staggered with the three standard sections to form an integrated structure, and the transformation sections are just located at main ribs of two steel reinforcement cages which do not interfere with the length direction of the jacket; the clamping plate is arranged in the middle of the main body frame, a clamping hole is formed in the center of the clamping plate, the central axis of the clamping hole coincides with the central axis of the pile hole, and the clamping hole just fits a guide pipe to pass through. The utility model can avoid cutting the main rib, so that the main rib is penetrated from the inside of the perfusion jacket, and zero cutting of the main rib is realized, thereby ensuring the construction quality, shortening the construction period and reducing the equipment energy consumption and the cost.

Description

Novel pile foundation pore-forming fills jacket

Technical Field

The utility model relates to the technical field of pile foundation construction auxiliary facilities. More particularly, the utility model relates to a novel pile foundation pore-forming perfusion jacket.

Background

Aiming at special use requirements, especially, when a large-diameter pile foundation on the main bridge stretches into a bearing platform, steel bars are exposed to an operation platform, so that the jacket cannot be lowered, or the jacket is placed and operated conveniently, after the steel bar cage is lowered each time, the pile foundation main bars are required to be cut off and then the jacket is placed, after pouring is completed, the main bars are restored to the design length in a spot welding or sleeve connection mode, the construction quality of the steel bars cannot be guaranteed, the steel bars are difficult to meet the standard requirements, and the operation is complicated.

Disclosure of Invention

The utility model aims to provide a novel pile foundation pore-forming pouring jacket, which can avoid cutting main tendons, so that the main tendons which are interfered penetrate from the inside of the pouring jacket, and zero cutting of the main tendons is realized, thereby ensuring the construction quality, shortening the construction period and reducing the equipment energy consumption and the cost.

To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided a novel pile foundation pore-forming filling jacket having both ends resting on a cage drop frame outside of a pile foundation to be filled, comprising: the main body frame is of a rectangular square frame structure and comprises three standard sections and a pair of transformation sections, the transformation sections are of structures formed by inwards cutting two sides of the standard sections, the transformation sections are symmetrically arranged and are staggered with the three standard sections to form an integrated structure, and the transformation sections are just located at main ribs of two steel reinforcement cages which do not interfere with the length direction of the jacket; the clamping plate is arranged in the middle of the main body frame, a clamping hole is formed in the center of the clamping plate, the central axis of the clamping hole coincides with the central axis of the pile hole, and the clamping hole just fits a guide pipe to pass through.

Preferably, the main body frame is of a frame structure formed by I-steel, the standard section is of an I-steel structure, and the transformation section is of a structure formed by cutting flange plates on two sides of the I-steel.

Preferably, the thickness of the i-steel flange plate at the transformation section is thicker than that of the i-steel flange plate at the standard section.

Preferably, the main body frame is provided with vertical protection frames on standard sections at two sides inside the reinforcement cage.

Preferably, a plurality of reinforcing struts are arranged at intervals between the standard sections.

Preferably, the main body frame is provided with horizontal cover plates on standard sections at two sides inside the reinforcement cage.

The utility model at least comprises the following beneficial effects:

the jacket has the advantages of simple structure, safety and convenient operation, optimizes the structural form of the pouring jacket, saves labor cost for cutting and connecting pile foundation main ribs compared with the traditional jacket, improves the safety of constructors, accelerates the construction progress, reduces the construction cost and has strong economic superiority on the premise of ensuring the construction quality and safety. The method is particularly suitable for forming holes of land large-diameter pile foundations.

(1) Safety: the safety protection facilities are arranged on the two sides of the perfusion jacket, so that the safety protection effect is achieved, construction staff is limited to construct in a safety range, and the purpose of reducing potential safety hazards is achieved.

(2) Efficiency is that: the pouring jacket is directly placed on the steel reinforcement cage lowering frame of the pile foundation to be poured by adopting the crane, the pile foundation steel reinforcement cage is not required to be processed again, the pile foundation construction efficiency is improved, and the construction period is shortened.

(3) The method has wide application prospect, saves manual shifts, shortens project construction period, and realizes quick hole forming of the large-diameter land pile foundation.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is an elevation view of the present utility model;

fig. 2 is a plan view of the present utility model.

Reference numerals illustrate:

1. the main body frame, 2, standard section, 3, transformation section, 4, cardboard, 5, card hole, 6, protection frame, 7, reinforcing brace, 8, steel reinforcement cage lower frame, 9, main muscle, 10, stake hole, 11, apron.

Detailed Description

The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.

It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are all conventional methods, and the reagents and materials, unless otherwise specified, are all commercially available; in the description of the present utility model, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.

As shown in fig. 1 and 2, the present utility model provides a novel pile foundation pore-forming pouring jacket, two ends of which are placed on a reinforcement cage lowering frame 8 outside a pile foundation to be filled, comprising: the main body frame 1 is of a rectangular square frame structure, the main body frame 1 comprises three standard sections 2 and a pair of transformation sections 3 which are integrated, the transformation sections 3 are structures formed by cutting two sides of the standard sections 2 inwards, the transformation sections 3 are symmetrically arranged and are staggered with the three standard sections 2 to form an integrated structure, and the transformation sections 3 are just positioned at main ribs 9 of two steel reinforcement cages which do not interfere with the length direction of the jacket; the clamping plate 4 is arranged in the middle of the main body frame 1, a clamping hole 5 is formed in the center of the clamping plate 4, the central axis of the clamping plate coincides with the central axis of the pile hole 10, and the clamping hole 5 just fits a guide pipe to pass through.

In the above technical scheme, the jacket is cut and optimized to the main reinforcement 9 of the steel reinforcement cage, so that the interfered main reinforcement 9 penetrates from the inside of the jacket, namely the cut reconstruction section 3, and the jacket is placed on the steel reinforcement cage lowering frame 8 at the outer side of the pile foundation to be poured. The jacket structure is improved, zero cutting of the main reinforcement 9 is achieved, and constructors enter the jacket through gaps between the upper ladder stand and the lower ladder stand or exposed reinforcement to install and detach the pouring guide pipe.

In another technical scheme, the main body frame 1 is a frame structure formed by I-steel, the standard section 2 is of an I-steel structure, and the transformation section 3 is of a structure formed by cutting flange plates on two sides of the I-steel. The conventional I-steel structure is adopted as the structure of the jacket, the structure is simple and easy to obtain, the cost is low, and the transformation section 3 is also cut relatively better.

In another technical scheme, the thickness of the I-steel flange plate at the transformation section 3 is thicker than that of the I-steel flange plate at the standard section 2. The structure of the transformation section 3 of the part which is in conflict with the main rib 9 adopts a thickened steel plate and other modes to avoid the main rib 9 and ensure the stress.

In another technical scheme, the main body frame 1 is provided with vertical protection frames 6 on two side standard sections 2 inside the reinforcement cage. Safety protection facilities are arranged on two sides of the jacket, so that pile foundation orifice full coverage is realized, the operation safety of constructors is guaranteed, the potential safety hazard is reduced, and the safety and operability of the perfusion catheter are improved.

In another technical scheme, a plurality of reinforcing struts 7 are arranged between the standard sections 2 at intervals so as to strengthen the structural strength of the jacket.

In another technical scheme, the main body frame 1 is provided with horizontal cover plates 11 on two standard sections 2 inside the reinforcement cage, so that protection is enhanced, and safety of operators is guaranteed.

The jacket construction sequence of the utility model is as follows:

1. and (3) placing the steel reinforcement cage on the guide pipe frame standard section 2, marking the superposition part of the guide pipe frame standard section 2 and pile foundation steel reinforcement according to the pile diameter of 2.5m, and cutting off the I-shaped steel flange plate of the guide pipe frame reconstruction section 3 by 50cm by taking the mark symbol as the center.

2. A safety protection device, namely a protection frame 6 is welded in the jacket standard section 2, and antirust paint is painted.

3. After the pile foundation reinforcement cage is lowered, the crane places the jacket on the inner side of the reinforcement cage, and constructors enter the jacket through the crawling ladder to perform concrete pouring operation.

4. In the pile foundation pouring process, constructors remove the guide pipe in the jacket until the concrete pouring is completed, and a crane is used for hanging the jacket away from the pile foundation after the pile foundation pouring is completed.

Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims

1. Novel pile foundation pore-forming fills jacket, its both ends are put and are waited to pack the steel reinforcement cage in the pile foundation outside and put down on the frame, its characterized in that includes:

the main body frame is of a rectangular square frame structure and comprises three standard sections and a pair of transformation sections, the transformation sections are of structures formed by inwards cutting two sides of the standard sections, the transformation sections are symmetrically arranged and are staggered with the three standard sections to form an integrated structure, and the transformation sections are just located at main ribs of two steel reinforcement cages which do not interfere with the length direction of the jacket;

the clamping plate is arranged in the middle of the main body frame, a clamping hole is formed in the center of the clamping plate, the central axis of the clamping hole coincides with the central axis of the pile hole, and the clamping hole just fits a guide pipe to pass through.

2. The novel pile foundation pore-forming perfusion jacket of claim 1, wherein the main body frame is a framework structure formed by I-steel, the standard section is of an I-steel structure, and the transformation section is of a structure formed by cutting flange plates on two sides by the I-steel.

3. The novel pile foundation pore-forming perfusion jacket of claim 2, wherein the thickness of the i-steel flange plate at the modified section is thicker than the thickness of the i-steel flange plate at the standard section.

4. The novel pile foundation pore-forming perfusion jacket of claim 1, wherein the main body frame is provided with vertical protective frames on both side standard sections inside the reinforcement cage.

5. The novel pile foundation pore-forming perfusion jacket of claim 1, wherein a plurality of reinforcing struts are arranged at intervals between the standard sections.

6. The novel pile foundation pore-forming perfusion jacket of claim 1, wherein the main body frame is provided with horizontal cover plates on both side standard sections inside the reinforcement cage.