CN213766349U

CN213766349U - Pile sleeve hoop of prefabricated pile without end plate

Info

Publication number: CN213766349U
Application number: CN202022693992.4U
Authority: CN
Inventors: 杨余明; 杨飞; 张彪
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 a pile hoop of no end plate precast pile, the pile hoop sets up the both ends face of precast pile, the pile hoop is an annular body, the pile hoop includes four terminal surface hem portions, ring somatic part and only thick liquid hem portion, terminal surface hem portion, ring somatic part and only thick liquid hem portion connect gradually; the end face folded edge part is a sheet, the end face folded edge part is folded inwards from the outer edge, and a gap exists or does not exist between the two end face folded edge parts; the grout stopping edge folding part is an annular sheet body, and the grout stopping edge folding part is folded from inside to outside along the edge. The utility model discloses can make for end plate precast pile not have pile cover hoop and terminal surface mould laminating inseparable, pile cover 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

Pile sleeve hoop of prefabricated pile without end plate

Technical Field

The utility model relates to a building prefab field especially relates to a 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.

The prior art has begun to use no end plate precast pile, and this stake type cancels stake both ends end plate on the basis of traditional precast pile, is equipped with pre-buried sleeve at stake both ends, adopts the bolt connecting piece during the connection. The pile hoop is fixed with the main rib through a sleeve locking buckle. The modeling and the size of the traditional pile sleeve hoop are not tightly connected with the side molds at the two ends of the precast pile, the sealing is not tight, and 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 gap between the traditional pile sleeve hoop and the side molds at the two ends of the precast pile often appears, and the gap between the traditional pile sleeve hoop and the inner cavity of the pile mold causes the phenomenon of slurry leakage), deformation and deflection of the pile sleeve hoop and the like 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, not leak thick liquid, the indeformable pile cover hoop 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 a pile ferrule for a prefabricated pile without end plates, wherein the pile ferrule is disposed on two end surfaces of the prefabricated pile, the pile ferrule is an annular body, the pile ferrule includes four end surface edge folding portions, an annular body portion and a grout stopping edge folding portion, and the end surface edge folding portion, the annular body portion and the grout stopping edge folding portion are sequentially connected; the end face folded edge part is a sheet, the end face folded edge part is folded inwards from the outer edge, and a gap exists or does not exist between the two end face folded edge parts; the grout stopping edge folding part is an annular sheet body, and the grout stopping edge folding part is folded from inside to outside along the edge.

According to the utility model discloses preferred embodiment's stake ferrule of no end plate precast pile, the terminal surface hem portion is 90 degrees by the outside angle of turning over the book inwards along, perhaps is less than 90 degrees.

According to the utility model discloses preferred embodiment's stake ferrule of no end plate precast pile, only thick liquid hem portion is less than 90 degrees along turning over an angle from inside to outside.

According to the present invention, the pile collar of the end-plate-free precast pile is provided with at least one reinforcing rib, and the reinforcing rib is arc-shaped, square-shaped, triangular-shaped or trapezoidal.

According to the present invention, the reinforcing rib is protruded to the outside or recessed to the inside.

The design idea of the utility model is to design a pile sleeve hoop, which adopts the combination of equipment such as compression molding, stretching and stamping, etc. to realize the manufacture of the overall dimension of the pile sleeve hoop; 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 and easy deformation 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 end face flanging part and the grout stopping flanging part are arranged, so that the end face flanging part and the grout stopping flanging part can be tightly attached to side molds at two ends of the precast pile, the friction force between the pile hoop and the inner cavity of the pipe mold is increased, the pile end hoop and pile head concrete are separated from displacement when the steel bar is tensioned in a prestress mode, the product percent of pass is greatly improved, and the product quality is improved;

3. 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 pile cuff of the present application;

FIG. 2 is a schematic top view of FIG. 1;

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

FIG. 4 is a left side cutaway view of FIG. 3;

FIG. 5 is a perspective view of another alternative pile cuff of the present application;

FIG. 6 is a schematic view of the end-turned edge portion of FIG. 5;

FIG. 7 is a perspective view of yet another alternative ferrule of the present application;

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

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

fig. 10 is a schematic view of the end-face fold 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, a schematic perspective view of a pile hoop 10 of the present application, the pile hoop 10 of the present application is used in a precast pile without an end plate, the pile hoop 10 is disposed at two ends of the precast pile, the pile hoop 10 is an annular body, in the present application, the pile hoop 10 is a square body, but it should be a protection scope of the present application, for example, a circular body, a polygonal body, or other shapes, the pile hoop 10 includes four end-face flange portions 11, a ring portion 12, and a grout-stop flange portion 13, the end-face flange portion 11, the ring portion 12, and the grout-stop flange portion 13 are connected in sequence, and after the precast pile is manufactured, the end-face flange portion 11 is located at the outermost edge of the precast pile.

Referring to fig. 2, in the drawing, the end face flange 11 is a sheet, the end face flange 11 is turned inward from the outer edge, a gap exists between the two end face flanges 11, when the end face flange 11 is manufactured, four intermittent distance-shaped (or triangular or trapezoidal) sheets are punched on an iron plate and then bent inward, a gap is left between the two end face flanges 11, or no gap is left, so that the bending process of the end face flange 11 is facilitated; 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. 3, 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. Finally, after being folded into an annular body, the annular body can be connected into a fixed annular shape by welding in the gap of the folded edge part of the end face, or not welded. Referring to fig. 2, 5, 6, 7, 8, 9 and 10, regarding that the end-face folded portions 11 are folded from the outer edge to the inner edge, in the finished product, the connection relationship between the two end-face folded portions 11, in fig. 2, the cuts at the two ends of the end-face folded portions 11 are 90-degree lines, and each end-face folded portion 11 leaves a notch at the same end, so that after being folded, a gap is left between the two end-face folded portions 11 at the same end; fig. 5 is a perspective view of another pile ferrule according to the present application, and fig. 6 is a schematic view of the end-face flange portion of fig. 5, wherein the end-face flange portion 11 has 45 degree notches at both ends thereof, and a gap is left between the two end-face flange portions 11; fig. 7 is a schematic perspective view of another ferrule of the present application, and fig. 8 is a schematic view of an end surface folded portion of fig. 7, in which cuts at two ends of the end surface folded portion 11 are 90-degree lines, where a corresponding two end surface folded portions 11 both leave gaps at two ends, and another corresponding two end surface folded portions 11 both do not have gaps, and after folding, there is no gap between the four end surface folded portions 11 (in this embodiment, both ends may not leave gaps, only cut off, and when folding, two adjacent folded edges are formed to overlap up and down partially); fig. 9 is a schematic perspective view of another ferrule of the present application, and fig. 10 is a schematic view of an end surface folded edge portion of fig. 9, in which cuts at two ends of the end surface folded edge portion 11 are 90-degree lines, a corresponding two of the end surface folded edge portions 11 have notches at two ends, and another corresponding two of the end surface folded edge portions 11 have no notches at two ends, and after being bent, the width of the end surface folded edge portion 11 is smaller than that of the notch, so that a gap exists between the two end surface folded edge portions 11 in a finished product.

Referring to fig. 4, the angle of the end face flange 11 folded from the outer edge to the inner edge is 90 degrees, or less than 90 degrees, in the embodiment of the present application, the angle of the end face flange 11 folded from the outer edge to the 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 can be ensured to be flat.

In addition, in fig. 4, 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 it can be tightly attached to the end face mold, thereby effectively preventing grout leakage and achieving the purpose of preventing grout leakage, all of which should be the protection range of the present application, as shown in fig. 1, the grout stopping flange part 13 is a continuous sheet body, so as to prevent concrete mortar from leaking.

Referring to fig. 3 and 4, 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; when the reinforcing rib 14 is manufactured, a continuous long body is punched on an iron plate, the stamped reinforcing rib 14 preferably protrudes outward, but may also be recessed inward, the reinforcing ribs 14 are provided around the whole ring body 12, the number of the reinforcing ribs 14 is preferably 2, in the embodiment of the present application, the ring body 12 is a square cylinder, the reinforcing ribs 14 are provided on four sides, the number of the reinforcing ribs 14 is two, but may also be 1 or more, the shape of the reinforcing rib 14 is an arc, but the present application is not limited, such as a square or other shape, and the protection scope of the present application should be met as long as the purpose of increasing the strength can be achieved.

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. The pile hoop of the end-plate-free precast pile is characterized in that the pile hoop is arranged at two ends of the precast pile, the pile hoop is an annular body, the pile hoop comprises four end face flanging parts, an annular body part and a grout stopping flanging part, and the end face flanging part, the annular body part and the grout stopping flanging part are sequentially connected;

the end face folded edge part is a sheet, the end face folded edge part is folded inwards from the outer edge, and after the end face folded edge part is folded, a gap exists between the two end face folded edge parts or no gap exists between the two end face folded edge parts;

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

2. The pile cuff for an endless-plate precast pile according to claim 1, wherein the angle at which the end-face flange portion is turned inward from the outer edge is 90 degrees or less.

3. The pile cuff for an endless-plate precast pile according to claim 2, wherein said grout stop flange is folded from inside to outside at a folding angle of less than 90 degrees.

4. The pile cuff for an endless-plate precast pile according to claim 3, wherein said ring body portion is formed with at least one reinforcing rib, and said reinforcing rib is arc-shaped, square-shaped, triangular-shaped or trapezoidal-shaped.

5. The pile cuff for an endless-plate precast pile according to claim 4, wherein said reinforcing rib is convex to the outside or concave to the inside.