Spiral bar bending device for pile foundation

By designing a rotating assembly and a limiter for the pile foundation spiral reinforcement bending device and utilizing the cooperation between the magnetic block and the adjustment slot, the problem of inconvenient winding cage size change in the existing technology is solved, and the winding cage size can be quickly changed and the construction efficiency is improved.

CN223352777UActive Publication Date: 2025-09-19XINJIANG ROAD & BRIDGE NANJIANG ENG CONSTR CO LTD
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Patent Information

Application Number
CN202421838113.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-09-19
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

In the prior art, it is difficult to change the size of the winding cage of the spiral reinforcement of the foundation pile, and the reinforcement needs to be frequently cut and welded, which makes the operation inconvenient and labor-intensive.

Method used

A device for bending spiral reinforcement in pile foundations has been designed. It includes a bending machine, a winding cage, a rotating assembly, and a stopper. By combining a magnetic block with an adjustment slot, the winding cage can be easily replaced with different sizes, eliminating the need for cutting or welding the reinforcement.

Benefits of technology

The fast replacement of winding cage size is achieved, which reduces manpower consumption and operation time and improves construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pile foundation spiral bar bending device which comprises a bending machine, a winding cage, a rotating assembly and a limiting piece, a rotating disc used for driving the rotating assembly to rotate is arranged at the top end of the bending machine, the rotating assembly is arranged at the top end of the bending machine, and the limiting piece is arranged at the top end of the rotating assembly. The winding cage is arranged outside the limiting piece in a sleeving mode, the limiting piece is used for limiting movement of the winding cage, the rotating assembly comprises a rotating disc, and an inserting column used for being connected with the rotating disc is arranged at the bottom end of the rotating disc; by means of the design of the winding cages, the rotating assemblies and the limiting pieces, when different spiral stirrups are manufactured, only the magnetic blocks need to be inserted into the adjusting grooves in different positions, so that the winding cages of different sizes can be arranged on the outer walls of the limiting rods in a sleeving mode, cutting and welding of reinforcing steel bars are not needed, and the manufacturing efficiency is improved. Therefore, the size of the winding cage can be replaced conveniently, and manpower and time are saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a spiral reinforcement bending device for pile foundations. Background Art

[0002] In construction projects, the stirrups of foundation pile foundation projects all use spiral stirrups. At the construction site, workers usually weld a winding cage composed of cut steel bars to the turntable on the top of the bending machine, and then use multiple pulleys to form a simple steel bar straightening equipment. The straightened steel bars are wound around the outer wall of the winding cage. Through the rotation of the turntable, the steel bars on the outer wall of the winding cage are formed into spiral stirrups. This method can save manpower at the construction site, but the size of the foundation pile is not limited to one type. Therefore, when winding other spiral stirrups, it is necessary to use the steel bars on the cut turntable and re-weld the steel bars to form a winding cage that meets the size of the spiral stirrups. This method of changing the size of the winding cage is not convenient enough. Utility Model Content

[0003] The purpose of the present invention is to provide a spiral reinforcement bending device for pile foundations to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a device for bending spiral reinforcements in pile foundations, comprising:

[0005] A bending machine, a winding cage, a rotating assembly and a limiting member. The top of the bending machine is provided with a turntable for driving the rotating assembly to rotate. The rotating assembly is provided at the top of the bending machine. The limiting member is provided at the top of the rotating assembly. The winding cage is provided on the outside of the limiting member. The limiting member is used to limit the movement of the winding cage.

[0006] The rotating assembly includes a rotating disk, and a plug-in column for connecting with the rotating disk is provided at the bottom end of the rotating disk.

[0007] Preferably, a plug-in slot for plugging in a plug-in column is provided at the top end of the turntable.

[0008] Preferably, the top end of the plug-in column is fixedly connected to the bottom end of the rotating disk, and the winding cage is arranged at the top end of the rotating disk, and the winding cage is used to wind steel bars.

[0009] Preferably, the limiting member includes a limiting rod, which is used to limit the movement of the winding cage, and the bottom end of the limiting rod is provided with a connecting member for connecting to the rotating disk.

[0010] Preferably, the connecting member includes a magnetic block, the top end of the magnetic block is fixedly connected to the bottom end of the limiting rod, and the top end of the rotating disk is provided with an adjustment slot for inserting the magnetic block.

[0011] Preferably, a straightening assembly for straightening the steel bars is provided on one side of the bending machine, the straightening assembly includes a straightening pulley for straightening the steel bars, and one end of the straightening pulley is provided with a mounting bracket for mounting the straightening pulley.

[0012] Preferably, the straightening pulley is set at an inclination of 45°.

[0013] Technical effects and advantages of this utility model:

[0014] The utility model utilizes the design of the winding cage, the rotating assembly and the limit piece. When different spiral stirrups are produced, it is only necessary to insert the magnetic block into the interior of the adjustment slots at different positions, so that winding cages of different sizes can be set on the outer wall of the limit rod without cutting and welding the steel bars, thereby facilitating the replacement of the winding cage size and saving manpower and time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the bending machine of the present utility model.

[0017] Figure 3 This is one of the three-dimensional structural diagrams of the rotating assembly of the present invention.

[0018] Figure 4 This is one of the three-dimensional structural diagrams of the rotating assembly of the present invention.

[0019] Figure 5 This is a schematic diagram of the three-dimensional structure of the limiting member of the utility model.

[0020] In the figure: 1. Bending machine; 2. Winding cage; 3. Rotating assembly; 31. Rotating disk; 32. Adjusting slot; 33. Connecting column; 4. Straightening assembly; 41. Mounting bracket; 42. Straightening pulley; 5. Limiting piece; 51. Limiting rod; 52. Magnetic block; 6. Turntable; 7. Connecting slot. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] The utility model provides Figure 1-5 The spiral reinforcement bending device for pile foundation shown includes:

[0023] Bending machine 1, winding cage 2, rotating assembly 3 and limiting member 5. The top of the bending machine 1 is provided with a turntable 6 for driving the rotating assembly 3 to rotate. The rotating assembly 3 is provided at the top of the bending machine 1. The limiting member 5 is provided at the top of the rotating assembly 3. The winding cage 2 is sleeved on the outside of the limiting member 5. The limiting member 5 is used to limit the movement of the winding cage 2.

[0024] Specifically, a straightening assembly 4 for straightening the steel bars is provided on one side of the bending machine 1. The straightening assembly 4 includes a straightening pulley 42 for straightening the steel bars. One end of the straightening pulley 42 is provided with a mounting bracket 41 for mounting the straightening pulley 42. The straightening pulley 42 is tilted 45°.

[0025] Furthermore, the mounting bracket 41 is welded with multiple threaded steel bars with a diameter of 22 mm into a 1m×1m×1m cubic skeleton, and two straightening pulleys 42 are provided. The two straightening pulleys 42 are respectively arranged diagonally at the top and bottom of the mounting bracket 41. The straightening pulley 42 has a diameter of 200-300 mm and a wheel width of 5 cm and is made of steel or high-strength plastic. The straightening pulleys 41 are respectively connected to the mounting bracket 41 by using a sling, and the joints between the sling and the mounting bracket 41 are fixed by welding to ensure the angle of the adjustment pulley 41. The steel bars are wound from the bottom straightening pulley 42 around the top straightening pulley 42, so that the steel bars are S-shaped, thereby performing simple straightening, and then the steel bars are wound around the outer wall of the winding cage 2 through the top straightening pulley 42 to produce spiral stirrups.

[0026] Specifically, the rotating assembly 3 includes a rotating disk 31, the bottom end of the rotating disk 31 is provided with a plug-in column 33 for connecting to the turntable 6, the top of the turntable 6 is provided with a plug-in slot 7 for plugging in the plug-in column 33, the top of the plug-in column 33 is fixedly connected to the bottom end of the rotating disk 31, and the winding cage 2 is arranged at the top of the rotating disk 31, and the winding cage 2 is used for winding steel bars.

[0027] Furthermore, the top of the plug-in column 33 is fixed to the bottom end of the rotating disk 31 by welding, and the rotating disk 31 and the plug-in column 33 can be made of steel plates. At this time, the rotating disk 31 and the plug-in column 33 are connected by welding. For the sake of lightness, the rotating disk 31 and the plug-in column 33 can also be made of wooden boards. At this time, the rotating disk 31 and the plug-in column 33 are connected by bonding or using screws to fix the plug-in column 33 to the bottom end of the rotating disk 31. The size of the plug-in column 33 is 0.98 times the size of the plug-in slot 7. Two plug-in columns 33 are set at the bottom end of the rotating disk 31, so that the two plug-in columns 33 can be inserted into the two plug-in slots 7 at the top diagonal of the turntable 6. Therefore, when the turntable 6 rotates, the turntable 6 will drive the plug-in column 33 to move synchronously, so that the plug-in column 33 drives the rotating disk 31 and the turntable 6 to rotate synchronously, and the rotating disk 31 drives the winding cage 2 set at the top to rotate, thereby realizing the winding operation of the steel bar.

[0028] Specifically, the limiting member 5 includes a limiting rod 51, which is used to limit the movement of the winding cage 2. The bottom end of the limiting rod 51 is provided with a connecting member for connecting to the rotating disk 31. The connecting member includes a magnetic block 52. The top of the magnetic block 52 is fixedly connected to the bottom end of the limiting rod 51, and the top of the rotating disk 31 is provided with an adjustment slot 32 for inserting the magnetic block 52.

[0029] Furthermore, a plurality of adjustment slots 32 are provided at the top of the rotating disk 31, and the plurality of adjustment slots 32 diverge in three directions. The angle between the adjustment slot 32 in each direction and the adjacent adjustment slot 32 is 120 degrees. The plurality of adjustment slots 32 in the three directions are arranged in a straight line with equal spacing. Three limiting members 5 are provided, which are respectively inserted into the adjustment slots 32 in the three directions, so that the winding cage 2 is fixed by a three-point extrusion method. The limiting members 5 are inserted into the adjustment slots 32 at different positions, so as to realize the adjustment of different diameters of the winding cage 2. The height of the limiting rod 51 is 1.3 times the height of the winding cage 2, and the outer wall of the limiting rod 51 adopts a thick The top end of the magnetic block 52 is connected to the bottom end of the limiting rod 51 by welding. The size of the magnetic block 52 is 0.98 times the size of the adjusting slot 32. When the magnetic block 52 is inserted into the adjusting slot 32, the magnetic block 52 can be further fixedly connected to the turntable 6 by its own magnetic attraction. When the turntable 6 rotates, the turntable 6 drives the magnetic block 52, and the magnetic block 52 drives the limiting rod 51. The limiting rod 51 drives the winding cage 2 to rotate by squeezing the inner wall of the winding cage 2 and the friction between the outer wall of the limiting rod 51 and the winding cage 2, thereby realizing the winding of the steel bars and producing spiral stirrups.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A spiral reinforcement bending device for pile foundations, characterized in that: include: A bending machine (1), a winding cage (2), a rotating assembly (3) and a limiting member (5), wherein the top of the bending machine (1) is provided with a turntable (6) for driving the rotating assembly (3) to rotate, the rotating assembly (3) is provided at the top of the bending machine (1), the limiting member (5) is provided at the top of the rotating assembly (3), the winding cage (2) is sleeved on the outside of the limiting member (5), and the limiting member (5) is used to limit the movement of the winding cage (2); The rotating assembly (3) comprises a rotating disk (31), and a plug-in column (33) for connecting with a rotating disk (6) is provided at the bottom end of the rotating disk (31).

2. The device for bending spiral reinforcement for pile foundation according to claim 1, characterized in that: The top end of the rotating disk (6) is provided with a plug-in slot (7) for plugging in a plug-in column (33).

3. The device for bending spiral reinforcement for pile foundation according to claim 1, characterized in that: The top end of the plug-in column (33) is fixedly connected to the bottom end of the rotating disk (31), and the winding cage (2) is arranged on the top end of the rotating disk (31). The winding cage (2) is used for winding steel bars.

4. The device for bending spiral reinforcement for pile foundation according to claim 1, characterized in that: The limiting member (5) comprises a limiting rod (51), the limiting rod (51) is used to limit the movement of the winding cage (2), and the bottom end of the limiting rod (51) is provided with a connecting member for connecting to the rotating disk (31).

5. The device for bending spiral reinforcement for pile foundation according to claim 4, characterized in that: The connecting member comprises a magnetic block (52), the top end of the magnetic block (52) is fixedly connected to the bottom end of the limiting rod (51), and the top end of the rotating disk (31) is provided with an adjusting slot (32) for inserting the magnetic block (52).

6. The device for bending spiral reinforcement for pile foundation according to claim 1, characterized in that: A straightening assembly (4) for straightening steel bars is provided on one side of the bending machine (1); the straightening assembly (4) comprises a straightening pulley (42) for straightening the steel bars; and a mounting bracket (41) for mounting the straightening pulley (42) is provided at one end of the straightening pulley (42).

7. The device for bending spiral reinforcement for pile foundation according to claim 6, characterized in that: The straightening pulley (42) is arranged at an inclination of 45 degrees.