CN219753228U - Steel reinforcement cage axis positioner - Google Patents

Abstract

The utility model relates to a reinforcement cage axis positioning device which comprises a frame, wherein the bottom of the frame is provided with supporting legs, the top of the frame is provided with a fixing device, a plurality of fixing devices are annularly arranged around the axial direction of a reinforcement cage, and connecting lines of the telescopic directions of the fixing devices are provided with a common intersection point. The fixing device is arranged to limit the lower position of the reinforcement cage, so that the reinforcement cage is always positioned at the center of the protective cylinder, the axes of the reinforcement cage and the protective cylinder are always overlapped, the consistency of the thickness of the protective layer is ensured, and meanwhile, the reinforcement cage is suitable for the lowering of reinforcement cages with different specifications by changing the telescopic length of the fixing device.

Description

Steel reinforcement cage axis positioner

Technical Field

The utility model relates to the technical field of pile foundation construction, in particular to a steel reinforcement cage axis positioning device.

Background

The building pile foundation adopts a reinforced concrete structure generally, so that the axis of the reinforced concrete cage is overlapped in order to ensure that the placement position of the reinforced concrete cage is positioned in the center of a pile hole, and a positioning device is required to be placed in the process of placing the reinforced concrete cage to ensure that the placement is accurate.

The patent document with the prior art publication number of CN217629907U discloses a column reinforcement cage positioning device, and the device adopts two annular positioning frames to limit the lower position of the reinforcement cage, so that the rapid and accurate positioning of the reinforcement cage is ensured, the installation and the disassembly are also more convenient, the construction uncertainty of the reinforcement cage is avoided, and the construction quality and safety are ensured.

Although the device has more beneficial effects, the following problems still exist: the periphery of the reinforcement cage is provided with annular stirrups and anti-floating anchor rods, and in the process of lowering the reinforcement cage by using the device, the upright post reinforcement positioning holes can prevent the annular stirrups and the anti-floating anchor rods from being lowered; the device is not only suitable for the steel reinforcement cage of single specification to descend, and the specification of steel reinforcement cage needs to be makeed again when changing, wastes time and energy.

Disclosure of Invention

Based on this, it is necessary to provide a reinforcement cage axis positioning device, which is applicable to the lowering of reinforcement cages of various specifications, and at the same time does not cause interference to annular stirrups and anti-floating anchors arranged on the outer surface of the reinforcement cage.

The utility model provides a steel reinforcement cage axis positioner, includes the frame, the bottom of frame is provided with the supporting leg, and its top is provided with fixing device, and a plurality of fixing device is annular around steel reinforcement cage axial direction setting, a plurality of fixing device telescopic direction's line has a common intersection point.

As one preferable mode of the reinforcement cage axis positioning device, a plurality of support legs are arranged, the top ends of the support legs are welded with the bottom of the frame, connecting pieces are arranged at the bottom ends of the support legs, and bolt holes and nail holes are formed in the connecting pieces.

As one preferable mode of the reinforcement cage axis positioning device, the reinforcement cage axis positioning device comprises a first fixing piece, a second fixing piece, a fixing rod and a fixing plate, wherein the bottom of the first fixing piece is connected with a frame, a groove is formed in the top of the first fixing piece, bolt holes are formed in two sides of the groove, the fixing rod is arranged in the groove, the second fixing piece is bolted to the top of the first fixing piece, and the fixing plate is arranged on the fixing rod close to the reinforcement cage end.

As one preferable choice of the reinforcement cage axis positioning device, the inner wall of the groove and the rod body of the fixed rod are provided with mutually matched insections.

As one preferable choice of the reinforcement cage axis positioning device, the contact end of the fixing plate and the reinforcement cage is provided with a roller.

As one preferable mode of the reinforcement cage axis positioning device in the utility model, the surface of the roller is provided with an elastic cushion.

The utility model has the beneficial effects that:

1. the fixing device is arranged to limit the lower position of the reinforcement cage, so that the reinforcement cage is always positioned at the center of the protective cylinder, the axes of the reinforcement cage and the protective cylinder are always overlapped, the consistency of the thickness of the protective layer is ensured, and meanwhile, the reinforcement cage is suitable for the lowering of reinforcement cages with different specifications by changing the telescopic length of the fixing device.

2. The gap between two adjacent fixing devices and the existence of the elastic cushion layer enable the annular stirrups and the anti-floating anchors on the outer surface of the reinforcement cage not to be hindered in the descending process.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a top view of a positioning device according to an embodiment of the present utility model;

FIG. 2 is a side view of the positioning device of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the fastening device shown in FIG. 1;

reference numerals illustrate:

1. a frame; 2. support legs; 21. a connecting sheet; 3. a fixing device; 31. a first fixing member; 32. a second fixing member; 33. a fixed rod; 34. a fixing plate; 341. and a roller.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", 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 device or element being 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 utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

The embodiment provides a steel reinforcement cage axis positioner, can be applicable to the steel reinforcement cage of multiple different specifications and transfer, can not cause the hindrance to annular stirrup and anti-floating anchor simultaneously to transfer in-process. As shown in fig. 1 and 2, the frame comprises a frame 1, support legs 2 arranged at the bottom of the frame 1, and a fixing device 3 arranged at the bottom of the frame 1.

The middle of the frame 1 is provided with a through hole which is arranged right above the protective cylinder, and the through hole is positioned on the axis of the protective cylinder. The frame 1 is circular or polygonal, in this embodiment polygonal.

The supporting legs 2 are arranged at the bottom of the frame 1, the top ends of the supporting legs 2 are connected with the frame 1 in a welded mode, connecting pieces 21 are arranged at the other ends of the supporting legs, nail holes for fixing pins and bolt holes for fixing bolts are formed in the connecting pieces 21, the supporting legs 2 are connected with the ground or a concrete structure, and the overall stability of the positioning device is improved.

The fixing devices 3 are arranged at the top of the frame 1, the fixing devices 3 are annularly arranged around the axial direction of the pile casing and the reinforcement cage, and connecting lines of the telescopic directions of the fixing devices 3 are provided with a common intersection point, namely the central line position of the pile casing.

In this embodiment, as shown in fig. 3, the fixing device 3 includes a first fixing member 31, a second fixing member 32, a fixing rod 33 and a fixing plate 34, where the first fixing member 31 is disposed at the top of the frame 1 and is firmly bolted to the frame 1 by a bolt, the top of the fixing member is provided with a groove, the bottom of the groove is provided with a tooth trace, the fixing rod 33 is mounted in the groove of the groove, and the shaft of the fixing rod is provided with a tooth trace matching with the bottom of the groove along the axial direction of the fixing rod; the second fixing piece 32 is arranged at the top of the first fixing piece 31, bolt holes are arranged at the corresponding positions of the second fixing piece and the first fixing piece, and bolt holes are arranged at the two sides of the groove, so that the second fixing piece and the first fixing piece fix the fixing rod 33 in the groove through bolts; the fixed plate 34 is arranged at the contact end of the reinforcement cage of the fixed rod 33.

In this embodiment, the contact end of the fixing plate 34 with the reinforcement cage is provided with a roller 341. The arrangement of this structure is convenient for the below of steel reinforcement cage.

In the present embodiment, the surface of the roller 341 is provided with an elastic cushion. After the positioning device is used for limiting the reinforcement cage through the fixing device 3, the elastic cushion layer is extruded and compressed when the annular stirrup passes through due to the existence of the elastic cushion layer in the process of lowering the reinforcement cage, so that the annular reinforcement can pass through smoothly.

In use, the positioning device is first moved directly over the casing and secured by the connecting tab 21. The length of the fixing rod 33 required to be extended is determined according to the diameter of the reinforcement cage and the distance between the fixing rod 33 and the wall of the protection cylinder, and then the reinforcement cage below can be obtained after the fixing is performed through the second fixing piece 32. Care should be taken in the lower process to have the anti-floating anchors at the gap between two adjacent fixtures 3.

The utility model has simple structure and convenient operation, can realize the lower parts of reinforcement cages with different diameters through the fixing device 3, can be repeatedly used, saves the construction cost and reduces the construction period.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (6)

1. The utility model provides a steel reinforcement cage axis positioner, includes frame (1), its characterized in that: the bottom of frame (1) is provided with supporting leg (2), and its top is provided with fixing device (3), and a plurality of fixing device (3) are annular around steel reinforcement cage axial direction setting, and a plurality of connecting wire of fixing device (3) telescopic direction has a common intersection point.

2. The steel reinforcement cage axis positioning device according to claim 1, wherein a plurality of support legs (2) are arranged, the top ends of the support legs are welded with the bottom of the frame (1), connecting pieces (21) are arranged at the bottom ends of the support legs, and bolt holes and nail holes are formed in the connecting pieces (21).

3. The steel reinforcement cage axis positioning device according to claim 1, wherein the fixing device (3) comprises a first fixing piece (31), a second fixing piece (32), a fixing rod (33) and a fixing plate (34), the bottom of the first fixing piece (31) is connected with the frame (1), a groove is formed in the top of the first fixing piece, bolt holes are formed in two sides of the groove, the fixing rod (33) is arranged in the groove, the second fixing piece (32) is bolted to the top of the first fixing piece (31), and the fixing plate (34) is arranged on the fixing rod (33) close to the steel reinforcement cage end.

4. A reinforcement cage axis positioning device as in claim 3, characterized in that the inner walls of said grooves and the shaft of the fixed rod (33) are provided with mutually matching insections.

5. A reinforcement cage axis positioning device as in claim 3, wherein said fixed plate (34) is provided with rollers (341) at the ends of contact with the reinforcement cage.

6. The reinforcement cage axis positioning device as set forth in claim 5, wherein a surface of said roller (341) is provided with an elastic cushion.