CN213773324U

CN213773324U - Integral pile hoop of precast pile

Info

Publication number: CN213773324U
Application number: CN202022702822.8U
Authority: CN
Inventors: 杨飞; 杨余明; 蒋曙
Original assignee: Tangshi Jianhua Construction Materials Shanghai Co Ltd
Current assignee: Tangshi Jianhua Construction Materials Shanghai Co Ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-23
Anticipated expiration: 2030-11-20

Abstract

The utility model relates to an integral pile hoop of precast pile, the pile hoop is arranged at two ends of the precast pile, the pile hoop is an annular body, the pile hoop comprises an integral end face flanging part, an annular body part and a grout stopping flanging part, and the integral end face flanging part, the annular body part and the grout stopping flanging part are connected in sequence; the integrated end face flanging part is a sheet body, the integrated end face flanging part is inwards turned over from the outer edge, and a plurality of sleeve preformed holes are formed in the integrated end face flanging part; the grout stopping edge folding part is an annular sheet body, and the grout stopping edge folding part is folded from inside to outside; the integrated end face edge folding part, the ring body part and the grout stopping edge folding part are integrally formed. The utility model discloses can make integral stake hoop inseparable with the laminating of end face mould, stake hoop aversion when effectively reducing the bar iron prestressing force stretch-draw, quality problems such as finished pile terminal surface leaks thick liquid improve the product percent of pass by a wide margin, promote product quality.

Description

Integral pile hoop of precast pile

Technical Field

The utility model relates to a building prefab field especially relates to an integral stake cuff for having no end plate precast pile.

Background

With the improvement of the importance degree of modern buildings and the continuous increase of the building height, higher requirements are put forward on the bearing capacity of the foundation, the natural foundation cannot better bear the load transmitted by the upper building, so when the natural foundation is used for covering the building, a treatment mode for enhancing the bearing capacity is provided, namely, steel bar concrete is used as a foundation precast pile of the foundation, and a pile press machine is used for pressing the pile into the ground, so that the upper part of the precast pile bears the building.

In the prior art, the precast pile needs to be combined by different pile types according to different design requirements in actual engineering application, and two cuffs are required to be added at two ends of the precast concrete pile in the production process of domestic precast concrete piles to solve the problem of slurry leakage of the precast pile in the production process. According to the traditional hoop for the precast pile, a flat plate strip steel is cut to a fixed length and molded by pressing, then the butt joint of the hoops and the skin is connected by welding, one end of each hoop is not in a folded edge shape, the efficiency of the hoop in the production process is low, the labor intensity of workers is high, and the hoop is easy to deform. Especially, in the production and manufacturing process of the end-plate-free precast pile, the traditional pile hoop is not tightly connected with the side molds at the two ends of the precast pile in shape and size, and is not tightly sealed, so that the quality problems of slurry leakage at the two ends of the product (when the traditional end-plate-free precast pile hoop is used, the phenomenon of slurry leakage caused by the existence of a gap between the traditional pile hoop and the side molds at the two ends of the precast pile and the existence of a gap between the traditional pile hoop and the inner cavity of the pile mold) and deformation and deviation of the pile hoop are caused.

Therefore, the pile hoops for precast piles in the prior art have a lifting space.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect, the utility model aims at providing a sealed tight, leak not thick liquid, the integral stake cuff that no end plate precast pile used to solve prior art's technical problem.

In order to achieve the above object, the present invention provides an integral pile hoop of a precast pile, wherein the pile hoop is arranged at two ends of the precast pile, the pile hoop is an annular body, the pile hoop comprises an integral end-face flange part, an annular body part and a grout stopping flange part, and the integral end-face flange part, the annular body part and the grout stopping flange part are sequentially connected; the integrated end face flanging part is a sheet body, the integrated end face flanging part is inwards turned over from the outer edge, and a plurality of sleeve preformed holes are formed in the integrated end face flanging part; the grout stopping edge folding part is an annular sheet body, and the grout stopping edge folding part is folded from inside to outside; the integrated end face edge folding part, the ring body part and the grout stopping edge folding part are integrally formed.

According to the utility model discloses preferred embodiment the integral stake cuff of precast pile, integral type terminal surface hem portion is 90 degrees by the angle of turning over the book inwards along outer.

According to the utility model discloses preferred embodiment the integral stake cuff of precast pile, only thick liquid hem portion is less than 90 degrees along rolling over an angle from inside to outside.

According to the present invention, the ring body is provided with at least one reinforcing rib, and the reinforcing rib is arc-shaped, square-shaped, triangular-shaped or trapezoidal.

According to the integral pile hoop of the precast pile of the preferred embodiment of the present invention, the reinforcing rib is convex toward the outside or concave toward the inside.

The design idea of the utility model is to design an integral pile sleeve hoop with a folded edge at one end, and to realize the manufacture of the overall dimension of the integral pile sleeve hoop by adopting the combination of equipment such as compression, stretching and stamping and the like; the pile hoop plate on the end face of the pile is subjected to edge folding processing, the folded edge of the pile hoop is located on the concrete end face of the pile body during production, four corners are smooth and flat, the appearance quality is good, the connection precision of the pile hoop and concrete is improved, multiple insurance is set, sealing, slurry leakage and deformation are guaranteed under normal use, the problems that the pile hoop is not tight in shape and size and the side molds at two ends of a precast pile are not tight in connection and sealing, slurry leakage at two ends of a product and deformation and deflection of the pile hoop are caused are solved, the safety of a pile foundation is improved, and the service life is prolonged.

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

1. the problems of poor sealing, slurry leakage, deformation and displacement of the traditional pile hoop and the side molds at the two ends of the precast pile are effectively controlled;

2. according to the technology, the integral pile end face flanging part is arranged and the sleeve fixing hole is reserved, when the sleeve is fastened, the integral pile end face flanging part is tightly attached to the end side mold and does not shift, the integral rigidity is high, the deformation is not prone to occurring, the grout stopping flanging part is tightly attached to the inner cavity of the mold, the problems that a pile end hoop is separated from pile head concrete and shifts when a steel bar is tensioned in a prestressed mode, grout leaks from two end faces of a pile and the like are effectively solved, the product percent of pass is greatly improved, and the product quality is improved;

3. the pile sleeve hoop is formed at one time by adopting an integral stamping and stretching method;

4. this application has reduced the demand of market end plate, reaches energy saving and consumption reduction's national advocate spirit, has improved the benefit of enterprise.

Drawings

FIG. 1 is a perspective view of a square-shaped integral pile ferrule of the present application;

FIG. 2 is a perspective view of the round body integral pile ferrule of the present application;

FIG. 3 is a schematic top view of FIG. 1;

FIG. 4 is a schematic front view of FIG. 1;

FIG. 5 is a left side cutaway view of FIG. 4;

FIG. 6 is a schematic cross-sectional view of the left side of FIG. 4 including a sleeve preformed hole;

FIG. 7 is a perspective view of another one-piece pile cuff of the present application;

FIG. 8 is a schematic view of the integrated end flange of FIG. 7;

FIG. 9 is a perspective view of yet another one-piece pile cuff of the present application;

FIG. 10 is a schematic view of the integrated end flange of FIG. 9.

Detailed Description

The invention will be elucidated below on the basis of an embodiment shown in the drawing. The embodiments disclosed herein are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is not limited by the following description of the embodiments, but is defined only by the scope of the claims, and includes all modifications that have the same meaning as the scope of the claims and are within the scope of the claims.

The present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, in a perspective view of an integral pile ferrule of the present application, a pile ferrule 10 of the present application is used in a prefabricated pile without an end plate, the pile ferrule 10 is disposed at both ends of the prefabricated pile, the pile ferrule 10 is an annular body, in the embodiment of the present application, the pile ferrule 10 of fig. 1 is a square body, and the pile ferrule 10 of fig. 2 is a circular body, but it should be a protection scope of the present application, for example, a polygonal body or other shapes, the pile ferrule 10 includes an integral end-face flange portion 11, an annular body portion 12, and a grout-stop flange portion 13, the integral end-face flange portion 11, the annular body portion 12, and the grout-stop flange portion 13 are connected in sequence, and after the prefabricated pile is manufactured, the integral end-face flange portion 11 is located at the outermost edge of the prefabricated pile.

Referring to fig. 3, in the drawings, the integral end-face hem 11 is a single body, the integral end-face hem 11 is turned inward from the outer edge, and the integral end-face hem is provided with a plurality of sleeve preformed holes 15, as shown in fig. 1 and 3, in the embodiment of the present application, the number of the sleeve preformed holes 15 is eight, but the number of the sleeve preformed holes 15 cannot be used to limit the present application, as long as the number of the sleeve preformed holes meets the design requirement, and more or less sleeve preformed holes should be the protection range of the present application, if the area of the hem edge does not meet the position of the sleeve preformed holes 15, the area of the hem beside the sleeve preformed holes 15 can be appropriately increased, and the increased area can be a local area, and the shape of the local area is not limited, and can be other shapes such as square, circle, and the like; referring to fig. 7, 8, 9 and 10, the shape of the integral end-face folded part 11 and the distribution of the sleeve preformed holes 15, the middle gap of the integral end-face folded part 11 may be circular, square or other shapes.

In addition, the grout stopping folded edge part 13 is an annular sheet body, the grout stopping folded edge part 13 is folded from the inside to the outside, as shown in fig. 4, the grout stopping folded edge part 13 is flared in an outward opening shape, and the purpose is to attach to a mold and prevent grout leakage. In the preparation adopt integrated into one piece mode of making during integral type terminal surface hem portion, ring somatic part and the grout stopping hem portion, direct stamping forming goes out on iron plate integral type terminal surface hem portion, ring somatic part and grout stopping hem portion.

Referring to fig. 5 and 6, fig. 6 is a schematic cross-sectional view of a prepared hole of a sleeve, an angle of the integral end-face folded part 11 folded from an outer edge to an inner edge is 90 degrees, or is less than 90 degrees, in the embodiment of the present application, an angle of the end-face folded part 11 folded from an outer edge to an inner edge is 90 degrees, but it cannot be used to limit the present application, and when the end-face is folded by 90 degrees, the end-face flatness can be ensured.

In addition, in fig. 5 and 6, the grout stopping flange part 13 is less than 90 degrees along the folding angle from inside to outside, in the embodiment of the present application, the grout stopping flange part 13 is 30 degrees along the folding angle from inside to outside, but it cannot be used to limit the present application, and several degrees or small degrees are added, so long as the purpose of preventing grout leakage can be achieved by matching with the mold of the precast pile, the grout stopping flange part 13 should be the protection range of the present application, as shown in fig. 1, so as to prevent concrete mortar from leaking.

Referring to fig. 4, 5 and 6, the ring body 12 is provided with at least one reinforcing rib 14, and the reinforcing rib 14 is one of an arc shape, a square shape, a triangular shape, a trapezoidal shape or other shapes, or a combination of a plurality of shapes. In addition, the reinforcing ribs 14 are convex towards the outside or concave towards the inside; in manufacturing the reinforcing ribs 14, the stamped reinforcing ribs 14 preferably protrude outward, and may be recessed inward, the reinforcing ribs 14 are provided around the entire ring body 12, the number of the reinforcing ribs 14 is preferably 2, in the embodiment of the present application, the reinforcing ribs 14 are provided around the entire outer edge surface, the number of the reinforcing ribs 14 is two, but may be 1 or more, and the shape of the reinforcing ribs 14 is an arc, but it should not be construed that the present application is limited, for example, a square or other shape, as long as the purpose of increasing the strength is achieved, and the protection scope of the present application is intended.

It is right above the utility model discloses carry out detailed introduction, compared with the prior art, the utility model has the advantages of it is following:

The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. An integral pile hoop of a precast pile is characterized in that the pile hoop is arranged at two ends of the precast pile and is an annular body, the pile hoop comprises an integral end face flanging part, an annular body part and a grout stopping flanging part, and the integral end face flanging part, the annular body part and the grout stopping flanging part are sequentially connected;

the integrated end face flanging part is a sheet body, the integrated end face flanging part is inwards turned over from the outer edge, and a plurality of sleeve preformed holes are formed in the integrated end face flanging part;

the grout stopping edge folding part is an annular sheet body, and the grout stopping edge folding part is folded from inside to outside;

the integrated end face edge folding part, the ring body part and the grout stopping edge folding part are integrally formed.

2. A one-piece pile ferrule for a precast pile as recited in claim 1, wherein the integral end-face flange portion is turned inside from the outer edge by an angle of 90 degrees.

3. An integral pile collar for a precast pile as recited in claim 2, wherein said grout stop flange is folded from inside to outside at an angle of less than 90 degrees.

4. A one-piece pile ferrule for a precast pile as recited in claim 3, wherein said ring body portion is formed with at least one reinforcing rib, said reinforcing rib being arc-shaped, square-shaped, triangular-shaped or trapezoidal.

5. An integral pile cuff for a pre-pile according to claim 4, wherein said reinforcing ribs are either convex to the outside or concave to the inside.