CN219080292U - Reinforcement cage for long cast-in-place piles - Google Patents

Abstract

The utility model discloses a reinforcement cage for a long cast-in-place pile, and aims to solve the technical problems that in the prior art, the reinforcement cage is difficult to insert into a cast-in-place pile of cast-in-place concrete, the strength of the reinforcement cage is poor, and the stress capability of construction requirements cannot be achieved. The utility model comprises a plurality of conical parts welded with the main ribs of the conical parts and a cylindrical cage welded with the conical parts, wherein the cylindrical cage comprises a plurality of corresponding cage main ribs welded with the main ribs of the conical parts, a plurality of annular positioning ribs welded on the inner sides of the cage main ribs and winding ribs welded on the outer sides of the cage main ribs. The reinforcement cage has good integrity and high rigidity strength, and can meet the construction strength requirement of hoisting the reinforcement cage under complex geological conditions and smoothly entering the pile hole.

Description

Reinforcement cage for long cast-in-place piles

Technical Field

The utility model relates to the technical field of stabilizing cast-in-place piles, in particular to a reinforcement cage for a long cast-in-place pile.

Background

The construction method is characterized in that a permeable pile dam structure is mainly adopted in yellow river beach area control engineering, the flow potential of the yellow river can be well controlled, flood prevention and emergency rescue are facilitated, the reinforced concrete pile is widely applied to foundation construction of modern roads and bridges and the like, the reinforced concrete pile comprises a reinforcement cage embedded into concrete and mainly plays a role in tensile strength, and the pile body concrete is restrained through the reinforcement cage due to the fact that the compressive strength of the concrete is high but the tensile strength is very low, so that the pile body concrete can bear certain axial tension. During construction, piling is carried out according to the required foundation to carry out concrete pouring, and then a reinforcement cage is placed into the pile hole.

The inventor-known Chinese patent document CN106884500A discloses a reinforcement cage, which comprises a plurality of prestressed steel wires and steel rings, wherein the steel rings are sequentially arranged up and down, the prestressed steel wires extend along the axial direction of the steel rings and are respectively and fixedly connected with the steel rings, the steel wires are uniformly distributed along the circumferential direction of the steel rings, a cross-shaped supporting frame is arranged in the steel rings, and 4 supporting legs of the cross-shaped supporting frame are respectively connected with the inner edges of the steel rings.

However, in the process of implementing the technical solution in the embodiment of the present application, the present inventors have found that at least the following technical problems exist in the above technology:

when a reinforcement cage with a designed length is inserted into a deeper filling pile, the strength is poor, the stress capability of the construction requirement of a water permeable pile dam structure designed in yellow river beach area control and guide engineering cannot be achieved, the lifting of the pile hole is difficult to implement, the manufacturing process is complex, the construction process is labor-consuming and time-consuming, and the construction efficiency is low; it is difficult to meet the construction requirements of the ultra-long cast-in-place pile engineering.

The information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is well known to a person skilled in the art.

Disclosure of Invention

In view of at least one of the above technical problems, the present disclosure provides a reinforcement cage for a long cast-in-place pile, comprising a cylindrical cage body composed of a plurality of cage body main ribs arranged in parallel, a plurality of annular positioning ribs arranged on the inner side of the cage body main ribs, and winding ribs arranged on the outer side of the cage body main ribs.

In some embodiments of the present disclosure, the pile cover further comprises a tapered portion abutting against one end of the cylindrical cage body, so as to facilitate smooth insertion into a pile hole filled with plain concrete, and facilitate bottom covering when a rigid guide rod for vibration is inserted into the cage body.

In some embodiments of the present disclosure, the conical portion includes a plurality of annular positioning ribs with unequal diameters, and a plurality of main conical portion ribs axially arranged on the outer circumference of each annular positioning rib and having one end converging into a conical tip.

In some embodiments of the present disclosure, the tapered portions further include a winding bar continuously wound around the outside of the main bar of each tapered portion to enhance the integrity of the cage.

In some embodiments of the present disclosure, the junction of the conical part main part and the annular positioning rib and the winding rib is welded and fixed.

In some embodiments of the present disclosure, corresponding cage main ribs are distributed in an encrypted manner on one side or two opposite sides of the cylindrical cage, so as to enhance the rigidity strength of the whole cage, and further meet the strength requirements in the process of lifting and pile hole entering.

In some embodiments of the disclosure, the joint of the cage body main rib, the annular positioning rib and the winding rib is welded and fixed.

One or more technical solutions provided in the embodiments of the present application at least have any one of the following technical effects or advantages:

1. the steel reinforcement cage structure adopts the cylindrical cage body and the conical section which is butted at the lower end of the cylindrical cage body, so that the technical problem that the steel reinforcement cage is difficult to smoothly insert into a cast-in-place pile of cast concrete in the prior art is effectively solved, and the stable pile hole entering of the steel reinforcement cage under complex geological conditions is realized.

2. The cylindrical cage body structure of the steel reinforcement cage adopts a plurality of annular positioning ribs to be welded and fixed on the inner side of the main reinforcement body of the cage body and tightly attached to the outer side of the main reinforcement body of the cage body around the ribs, so that the fastening of the inner side and the outer side of the main reinforcement body of the cage body is realized, the technical problem that the strength of the steel reinforcement cage in the prior art is poor, the stress capability of the requirement in the construction process (hoisting and pile entering holes) cannot be achieved is effectively solved, the technical effect that the requirement of engineering construction strength is met by inserting the steel reinforcement cage is realized, and the working efficiency is high is realized.

Drawings

Fig. 1 is a schematic structural view of a reinforcement cage for a long cast-in-place pile according to an embodiment of the present application.

In the above figures, 1, a conical part main rib; 2. a tapered portion; 3. a cylindrical cage; 4. cage body main ribs; 5. annular positioning ribs; 6. and winding the ribs.

Detailed Description

In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "vertical," "horizontal," "clockwise," "counterclockwise," etc. indicate or refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify 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 therefore should not be construed as limiting the present application. Reference to "first," "second," etc. in this application is for distinguishing between the objects described and not necessarily for any sequential or technical purpose. Reference to "connected" and "coupled" in this application includes both direct and indirect connections (couplings), unless specifically stated otherwise.

The components, structures, mechanisms, and the like, which are described in the following examples, are commercially available products unless otherwise specified.

The embodiment of the application solves the problems that in the prior art, the reinforcement cage is difficult to be inserted into a cast-in-place pile of cast-in-place concrete, the strength of the reinforcement cage is poor, and the stress capacity of construction requirements cannot be achieved by providing the reinforcement cage for the long cast-in-place pile.

The technical solution in the embodiment of the application is to solve the above problems, and the overall thought is as follows:

the novel cage comprises a plurality of conical parts and cylindrical cage bodies, wherein the conical parts are welded with the conical parts, the cylindrical cage bodies comprise a plurality of corresponding cage body main ribs welded on the conical parts, a plurality of annular positioning ribs welded on the inner sides of the cage body main ribs and winding ribs welded on the outer sides of the cage body main ribs. The technical effects of stable insertion of the reinforcement cage and insertion of the reinforcement cage under complex geology, meeting of engineering construction strength requirements and high working efficiency are achieved.

For better understanding of the technical solutions of the present application, the following detailed description will refer to the accompanying drawings and specific embodiments.

Example 1

The embodiment discloses a reinforcement cage for a long cast-in-place pile, referring to fig. 1, the reinforcement cage comprises a plurality of conical parts 2 welded with conical part main ribs 1 and a cylindrical cage body 3 welded with the conical parts, wherein the cylindrical cage body 3 comprises a plurality of corresponding cage body main ribs 4 welded with the conical part main ribs 1, a plurality of annular positioning ribs 5 welded with the inner sides of the cage body main ribs 4 and winding ribs 6 welded with the outer sides of the cage body main ribs; the conical part comprises a plurality of annular positioning ribs with unequal diameters, a plurality of conical part main rib conical part main ribs which are axially distributed on the outer circumference of each annular positioning rib and one ends of which are converged into conical tops, and winding ribs which are wound outside the conical part main ribs.

While certain preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (6)

1. The reinforcement cage for the long cast-in-place pile is characterized by comprising a cylindrical cage body formed by a plurality of cage body main ribs which are arranged in parallel, a plurality of annular positioning ribs arranged on the inner side of the cage body main ribs and coiling ribs wound on the outer side of the cage body main ribs; the device also comprises a conical part which is butted with one end of the cylindrical cage body.

2. A reinforcement cage for long cast-in-place piles according to claim 1, wherein the tapered portion comprises a plurality of annular positioning ribs with unequal diameters, and a plurality of main tapered portion ribs which are axially arranged on the outer circumference of each annular positioning rib and one ends of which are converged into a cone top.

3. A reinforcement cage for long cast-in-place piles according to claim 2, wherein the tapered portions further comprise a winding rib wound around the outside of the main rib of each tapered portion.

4. A reinforcement cage for long cast-in-place piles according to claim 3, wherein the joints of the conical parts with the annular locating ribs and the winding ribs are welded and fixed.

5. A steel reinforcement cage for long cast-in-place piles according to any one of claims 1 to 4, wherein the joints of the main cage ribs, the annular positioning ribs and the winding ribs are welded and fixed.

6. A reinforcement cage for long cast-in-place piles according to claim 1, wherein corresponding cage main ribs are arranged in an encrypted manner on one side or on opposite sides of the cylindrical cage body to enhance the rigidity of the whole cage body.

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