Reinforcement cage positioning device for pile foundation construction

By designing a steel cage positioning device for pile foundation construction, the cylinder drives the hook rod side rotation and the steel cage hook hook connection is solved, and the pile foundation rework problem caused by the steel cage deviation is improved, and construction quality and efficiency are improved.

CN222835234UActive Publication Date: 2025-05-06CHINA CONSTR SECOND ENG BUREAU LTD
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Patent Information

Application Number
CN202421767703.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-05-06
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

In pile foundation construction, the problem of deviating the steel cage leads to occasional rework of pile foundations, which has a large loss and is difficult to effectively solve.

Method used

A steel cage positioning device for pile foundation construction is designed, including arc plates, positioning hook hanging mechanisms, hydraulic controllers, screw hole blocks and screws. The hook hanging rods are driven to rotate sideways through the oil cylinder to realize hooking connection with the steel cage to ensure that the positioning of the steel cage is not moving.

Benefits of technology

The precise positioning of the steel cage in the foundation pit is achieved, the construction quality is improved, and the possibility and losses of rework are reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a reinforcement cage positioning device for pile foundation construction, which comprises arc plates, positioning hooking mechanisms, a hydraulic controller, screw hole blocks and screws, the screw hole blocks are welded at two ends of the two arc plates, and two positioning hooking mechanisms are arranged on the inner side wall of each arc plate at intervals. The device is reasonable in structural design, the operating oil cylinder is in a contraction state to drive the top end of the hooking rod connected through the U-shaped piece to rotate laterally, so that the hooking structure part at the bottom of the hooking rod is connected with the corresponding part of the reinforcement cage in a hooking manner, the reinforcement cage is fixed in a foundation pit in a positioning manner, and the operating oil cylinder is coordinated to be in an extension or contraction state; the flexibility of adjusting the position state of the reinforcement cage is improved, and the construction quality of foundation pit reinforcement cage pouring is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of application of pouring construction of pile foundation steel cages, in particular to a steel cage positioning device used for pile foundation construction. Background Art

[0002] With the rapid development of my country's highway construction, many previously built sections are unable to meet the current operational needs due to low design standards and increased transportation traffic. They are facing reconstruction, expansion, and road grade upgrades. In the future, highway reconstruction and expansion will be a new trend. Bored piles are widely used as the foundation of structures, but there are strict requirements for the center deviation of the steel cage according to the specifications, especially for the pile-column structure. Due to the deviation of the steel cage, the pile foundation rework occasionally occurs, and the loss is very large, so it is necessary to make improvements. Therefore, in response to the above problems, a steel cage positioning device for pile foundation construction is proposed. Utility Model Content

[0003] The purpose of the utility model is to provide a reinforcement cage positioning device for pile foundation construction in order to solve the above-mentioned problem.

[0004] The utility model achieves the above-mentioned purpose through the following technical scheme: a steel cage positioning device for pile foundation construction, comprising an arc plate, a positioning hook mechanism, a hydraulic controller, a screw hole block and a screw rod, screw hole blocks are welded at both ends of the two arc plates, and two positioning hook mechanisms are alternately arranged on the inner side wall of each arc plate;

[0005] The positioning hook mechanism includes a carrier, a first rotating shaft, a hook rod, a U-shaped part, a cylinder and a second rotating shaft. One end of the carrier is rotatably connected to the middle of the hook rod through the first rotating shaft, and the top of the hook rod is movably connected to the U-shaped part located on the output end of the cylinder. The cylinder end of the cylinder is rotatably connected to the other end of the carrier through the second rotating shaft.

[0006] Preferably, a fixing plate is provided in the middle portion of the outer side of the arc plate.

[0007] Preferably, a hydraulic controller is installed on the top surface of the fixing plate.

[0008] Preferably, the bottom end of the hook rod is in the shape of an arc hook, and the bottom end of the hook rod is hooked and connected with a corresponding part of the steel cage placed outside the foundation pit by side rotation.

[0009] Preferably, the screw rod and the corresponding screw hole block are threadedly connected to each other.

[0010] Preferably, an end surface of one end of the carrier is welded and fixed to the inner wall of the arc plate.

[0011] Compared with the prior art, the advantages of the utility model are: by operating the oil cylinder in a retracted state, the top end of the hook rod connected by the U-shaped piece is driven to rotate sideways, so that the hook structure at the bottom of the hook rod is hooked and connected with the corresponding part of the steel cage, thereby realizing the function of positioning the steel cage in the foundation pit, and coordinating the operation of the oil cylinder in an extended or retracted state, thereby improving the flexibility of adjusting the position of the steel cage and ensuring the construction quality of casting the steel cage in the foundation pit. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 It is a three-dimensional diagram of the connection structure of the positioning hook mechanism of the utility model;

[0015] Figure 3 It is a top view of the overall structure of the utility model.

[0016] In the figure: 1, arc plate; 101, fixed plate; 2, positioning hook mechanism; 201, carrier; 202, rotating shaft 1; 203, hook rod; 204, U-shaped part; 205, oil cylinder; 206, rotating shaft 2; 3, hydraulic controller; 4, screw hole block; 5, screw rod. DETAILED DESCRIPTION

[0017] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the embodiment described below is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0019] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] See also Figure 1-3 As shown, a reinforcement cage positioning device for pile foundation construction comprises an arc plate 1, a positioning hook mechanism 2, a hydraulic controller 3, a screw hole block 4 and a screw rod 5, screw hole blocks 4 are welded at both ends of the two arc plates 1, and two positioning hook mechanisms 2 are alternately arranged on the inner side wall of each arc plate 1;

[0021] The positioning hook mechanism 2 includes a carrier 201, a rotating shaft 202, a hook rod 203, a U-shaped piece 204, a cylinder 205 and a rotating shaft 206. One end of the carrier 201 is rotatably connected to the middle of the hook rod 203 through the rotating shaft 202, and the top of the hook rod 203 is movably connected to the U-shaped piece 204 located on the output end of the cylinder 205. The cylinder end of the cylinder 205 is rotatably connected to the other end of the carrier 201 through the rotating shaft 206.

[0022] A fixing plate 101 is provided in the middle of the outer side of the arc plate 1 , and a hydraulic controller 3 is installed on the top surface of the fixing plate 101 .

[0023] The bottom end of the hook rod 203 is in the shape of an arc hook, and the bottom end of the hook rod 203 is hooked and connected with the corresponding part of the steel cage placed outside the foundation pit by side rotation.

[0024] The screw rod 5 and the corresponding screw hole block 4 are threadedly connected to each other.

[0025] The end surface of one end of the carrier 201 is welded and fixed to the inner wall of the arc plate 1 .

[0026] When the utility model is in use, the two arc plates 1 are distributed on both sides of the foundation pit hole and fixed on the foundation by wedging piles on the fixing plate 101, and the two arc plates 1 are connected to each other by two screws 5, so as to enhance the firmness of the overall structure. When the steel cage enters the foundation pit and reaches the set depth position, the top end of the hook rod 203 connected by the U-shaped piece 204 is driven to rotate sideways by operating the oil cylinder 205 in a contracted state, so that the hook structure part at the bottom of the hook rod 203 is hooked and connected with the corresponding part of the steel cage, so as to realize the function of positioning the steel cage in the foundation pit, and coordinate the operation of the oil cylinder 205 in an extended or contracted state, so as to improve the flexibility of adjusting the position state of the steel cage and ensure the construction quality of casting the steel cage in the foundation pit.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A reinforcement cage positioning device for pile foundation construction, characterized in that: It comprises an arc plate (1), a positioning hook mechanism (2), a hydraulic controller (3), a screw hole block (4) and a screw rod (5), wherein the two ends of the two arc plates (1) are welded with screw hole blocks (4), and the inner side wall of each arc plate (1) is provided with two positioning hook mechanisms (2) alternately; The positioning hook mechanism (2) comprises a carrier (201), a first rotating shaft (202), a hook rod (203), a U-shaped part (204), an oil cylinder (205) and a second rotating shaft (206); one end of the carrier (201) is rotatably connected to the middle of the hook rod (203) via the first rotating shaft (202), and the top end of the hook rod (203) is movably connected to the U-shaped part (204) located at the output end of the oil cylinder (205); and the cylinder end of the oil cylinder (205) is rotatably connected to the other end of the carrier (201) via the second rotating shaft (206).

2. A reinforcement cage positioning device for pile foundation construction according to claim 1, characterized in that: A fixing plate (101) is provided at the middle portion of the outer side of the circular arc plate (1).

3. A reinforcement cage positioning device for pile foundation construction according to claim 2, characterized in that: A hydraulic controller (3) is installed on the top surface of the fixing plate (101).

4. A reinforcement cage positioning device for pile foundation construction according to claim 1, characterized in that: The bottom end of the hook rod (203) is in the shape of an arc hook, and the bottom end of the hook rod (203) is hooked and connected with a corresponding part of a steel cage placed outside the foundation pit by turning sideways.

5. A reinforcement cage positioning device for pile foundation construction according to claim 1, characterized in that: The screw rod (5) and the corresponding screw hole block (4) are threadedly connected to each other.

6. A reinforcement cage positioning device for pile foundation construction according to claim 1, characterized in that: An end surface of one end of the carrier (201) and the inner wall of the arc plate (1) are welded and fixed to each other.