Steel bar positioning device and method

By adopting a combination of dovetail clips, positioning rods, distance sensors, controllers and drive motors in the steel bar positioning device, the problem of large positioning errors in the prior art is solved, and high-precision steel bar positioning and improved installation efficiency are achieved.

CN116446668BActive Publication Date: 2025-05-13CHINA RAILWAY CONSTR GRP CO LTD +1
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Patent Information

Application Number
CN202310638215.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-31
Publication Date
2025-05-13
Estimated Expiration
2043-05-31

AI Technical Summary

Technical Problem

In the prior art, when measuring and positioning longitudinal bars using tape measure or homemade leather rods, the measurement results are large errors, resulting in large deviations in the positioning of steel bars and time-consuming, which greatly reduces the installation efficiency of steel bars.

Method used

A steel bar positioning device is provided, including a positioning main rod and several moving positioning rod mechanisms. The mobile positioning rod mechanism adopts a combination of dovetail clips, positioning rods, distance sensors, controllers and driving motors. By driving the motor to push or pull the dovetail clips to move in the axial direction of the positioning main rod, the distance adjustment of the positioning rods in the adjacent two moving positioning rod mechanisms is realized, and positioning of the longitudinal reinforcement is realized.

Benefits of technology

The high accuracy of the positioning of steel bars is achieved, the construction quality of reinforced concrete buildings is ensured, and the installation efficiency of steel bars is improved, and the positioning operation of longitudinal steel bars can be repeatedly realized.

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Abstract

The present invention discloses a steel bar positioning device and method, comprising a positioning main rod and a plurality of movable positioning rod mechanisms; the plurality of movable positioning rod mechanisms can be movably sleeved on the outer side of the positioning main rod, and the moving direction of the movable positioning rod mechanism is parallel to the axial direction of the positioning main rod; the movable positioning rod mechanism comprises a dovetail clamp and a positioning rod, a distance sensor, a controller and a driving motor; the distance sensor is fixed to the end of the positioning rod; the output end of the distance sensor is connected to the input end of the controller, and the output end of the controller is connected to the control end of the driving motor; the driving motor is sleeved on the positioning main rod and placed on the side end of the dovetail clamp; the present invention realizes adjustment of the spacing between the positioning rods in two adjacent movable positioning rod mechanisms by driving the dovetail clamp and moving along the axial direction of the positioning main rod, and realizes positioning of the longitudinal steel bars according to the position of the positioning rod; it is easy to use and has high positioning result accuracy.
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Description

Technical Field

[0001] The invention belongs to the technical field of building construction, and in particular relates to a steel bar positioning device and method. Background Art

[0002] During the construction process, the size positioning of steel bars is the key control point to ensure the quality of steel bar construction. At present, the positioning process of longitudinal steel bars in reinforced concrete buildings such as beams and columns is usually measured and positioned using a tape measure or a homemade measuring rod. Due to the large error in the measurement results of the tape measure or the homemade measuring rod, there is a large deviation in the positioning of the steel bars. It is also labor-intensive and time-consuming, which greatly reduces the efficiency of steel bar installation. Summary of the invention

[0003] In view of the technical problems existing in the prior art, the present invention provides a steel bar positioning device and method to solve the technical problems that when a tape measure or a homemade leather counting rod is used to measure and position the longitudinal reinforcement in the prior art, the measurement result has a large error, resulting in a large deviation in the steel bar positioning, and it is labor-intensive and time-consuming, which greatly reduces the technical problem of reducing the installation efficiency of the steel bars.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] The present invention provides a steel bar positioning device, comprising a positioning main rod and a plurality of movable positioning rod mechanisms; the plurality of movable positioning rod mechanisms are movably sleeved on the outer side of the positioning main rod, and the moving direction of the movable positioning rod mechanisms is parallel to the axial direction of the positioning main rod;

[0006] The movable positioning rod mechanism comprises a dovetail clamp, a positioning rod, a distance sensor, a controller and a driving motor; the dovetail clamp is arranged on the outside of the positioning main rod, and the positioning rod is vertically arranged on the dovetail clamp; wherein the axis of the positioning rod is vertically arranged with respect to the axis of the positioning main rod;

[0007] The distance sensor is fixed at the end of the positioning rod, and is used to collect the actual distance between the positioning rods in two adjacent mobile positioning rod mechanisms; the output end of the distance sensor is connected to the input end of the controller, and the output end of the controller is connected to the control end of the drive motor; the controller is used to compare the actual distance between the positioning rods in two adjacent mobile positioning rod mechanisms with the designed distance between two adjacent longitudinal steel bars to be positioned, and generate a control instruction for the drive motor;

[0008] The driving motor is sleeved on the positioning main rod and placed on the side end of the dovetail clamp; the driving motor is used to respond to the control command of the driving motor to push or pull the dovetail clamp to move along the axial direction of the positioning main rod, so that the actual distance between the positioning rods in two adjacent moving positioning rod mechanisms is equal to the designed distance between two adjacent longitudinal steel bars to be positioned.

[0009] Furthermore, positioning scale lines are arranged on the outer side of the positioning main rod, and the positioning scale lines are evenly distributed along the axial direction of the positioning main rod.

[0010] Furthermore, the dovetail clamp comprises a cylindrical clamp body, a first handle and a second handle; the cylindrical clamp body is concentrically sleeved on the outer side of the positioning main rod, and an opening is provided on one side of the cylindrical clamp body;

[0011] The first handle and the second handle are symmetrically arranged at the middle part of the outer side of the cylindrical clamp body and are arranged away from the opening side of the cylindrical clamp body; the positioning rod is vertically fixed to the outer end of the cylindrical clamp body and is arranged away from the opening side of the cylindrical clamp body.

[0012] Furthermore, the dovetail clamp also includes a spring; the spring is arranged between the first handle and the second handle; wherein one end of the spring is connected to the first handle, and the other end of the spring is connected to the second handle.

[0013] Furthermore, a rubber cushion layer is provided on the inner surface of the cylindrical clamp body; one side of the rubber cushion layer is fixedly connected to the inner wall of the cylindrical clamp body, and the other side of the rubber cushion layer is tightly arranged on the outer circumferential surface of the positioning main rod.

[0014] Furthermore, the outer sides of the first handle and the second handle are both covered with rubber sleeves, and the outer sides of the rubber sleeves are evenly provided with anti-slip protrusions.

[0015] Furthermore, the number of the movable positioning rod mechanisms is at least two.

[0016] Furthermore, the number of the movable positioning rod mechanisms is set to match the designed reinforcement quantity of the longitudinal steel bars to be positioned.

[0017] The present invention also provides a steel bar positioning method, using the steel bar positioning device; wherein the steel bar positioning method comprises the following steps:

[0018] Determine the number of movable positioning rods to be installed according to the number of longitudinal reinforcement bars in different structural design drawings;

[0019] The positioning main rod is arranged along the vertical direction of the longitudinal reinforcement to be positioned;

[0020] The actual distance between the positioning rods of two adjacent mobile positioning rod mechanisms is collected and sent to the controller by using a distance sensor;

[0021] The controller is used to compare the actual distance between the positioning rods in two adjacent movable positioning rod mechanisms with the designed distance between two adjacent longitudinal steel bars to be positioned, and to generate a control instruction for the driving motor;

[0022] The driving motor responds to the control command of the driving motor to push or pull the dovetail clamp to move along the axial direction of the positioning main rod, so that the actual distance between the positioning rods in two adjacent moving positioning rod mechanisms is equal to the designed distance between two adjacent longitudinal steel bars to be positioned;

[0023] The longitudinal steel bars to be positioned are fixed between the positioning rods on two adjacent movable positioning rod mechanisms to achieve rapid positioning of the steel bars.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] The present invention provides a steel bar positioning device and method, wherein a plurality of movable positioning rod mechanisms are movably arranged on a positioning main rod, the movable positioning rod mechanism adopts a combination of a dovetail clamp and a positioning rod, the dovetail clamp is sleeved on the positioning main rod, and the positioning rod is vertically fixed on the outer side of the dovetail clamp, and a driving motor is used to push or pull the dovetail clamp to move axially along the positioning main rod according to the actual distance between the positioning rods in two adjacent movable positioning rod mechanisms and the designed distance between two adjacent longitudinal steel bars to be positioned, so as to adjust the spacing between the positioning rods in the two adjacent movable positioning rod mechanisms, and locate the longitudinal steel bars according to the positions of the positioning rods; the device has a simple structure, is easy to use, and has a high positioning result accuracy, thereby ensuring the construction quality of reinforced concrete buildings; at the same time, the positioning operation of the longitudinal steel bars can be repeatedly realized, thereby effectively improving the installation efficiency of the steel bars.

[0026] Furthermore, positioning scale lines are evenly arranged on the outside of the positioning main rod, so that the scale value of the positioning rod on the positioning main rod can be quickly read, thereby realizing rapid positioning of the positioning rod, and effectively improving the positioning efficiency of the steel bars.

[0027] Furthermore, by arranging two handles on the cylindrical clamp body of the dovetail clamp, the handles are used to adjust the opening and closing of the cylindrical clamp body, thereby achieving the purpose of manual adjustment of the dovetail clamp.

[0028] Furthermore, a rubber cushion layer is provided on the inner surface of the cylindrical clamp body, which effectively increases the friction between the dovetail clamp and the positioning main rod, ensures the stability of the movable positioning rod mechanism on the positioning main rod, and further ensures the accuracy of the positioning result.

[0029] Furthermore, the number of movable positioning rod mechanisms is matched with the designed reinforcement quantity of the longitudinal steel bars to be positioned, so that multiple longitudinal steel bars can be positioned simultaneously, which effectively improves the positioning efficiency of the steel bars. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a front view of the steel bar positioning device of the present invention;

[0031] Figure 2 It is a cross-sectional view of the steel bar positioning device described in the present invention.

[0032] Among them, 1 is a positioning main rod, 2 is a dovetail clamp, 3 is a positioning rod, 4 is a rubber cushion layer, 5 is a driving motor, 11 is a positioning scale line, 21 is a cylindrical clamp body, 22 is a first handle, 23 is a second handle, and 24 is a spring. DETAILED DESCRIPTION

[0033] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail in the following specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0034] As attached Figure 1-2 As shown, the present invention provides a steel bar positioning device, comprising a positioning main rod 1 and a plurality of movable positioning rod mechanisms; the plurality of movable positioning rod mechanisms are movably sleeved on the outer side of the positioning main rod 1, and the moving direction of the movable positioning rod mechanisms is parallel to the axial direction of the positioning main rod 1; wherein the number of the movable positioning rod mechanisms is at least two; preferably, the number of the movable positioning rod mechanisms is arranged to match the designed reinforcement quantity of the longitudinal steel bars to be positioned.

[0035] The positioning main rod 1 is a cylindrical rod structure; positioning scale lines 11 are arranged on the outer side of the positioning main rod 1 , and the positioning scale lines 11 are evenly arranged along the axial direction of the positioning main rod 1 .

[0036] The movable positioning rod mechanism includes a dovetail clamp 2, a positioning rod 3, a rubber cushion 4, a distance sensor, a controller and a driving motor 5; the dovetail clamp 2 is sleeved on the outside of the positioning main rod 1, and the dovetail clamp 2 can be movably set along the axis of the positioning main rod 1; the positioning rod 3 is vertically set on the dovetail clamp 2; wherein the axis of the positioning rod 3 is vertically set to the axis of the positioning main rod 1; specifically, one end of the positioning rod 3 is vertically fixed to the dovetail clamp 2, and the other end of the positioning rod 3 extends in a direction away from the positioning main rod 1.

[0037] The distance sensor is fixed at the end of the positioning rod 3, and is used to collect the actual distance between the positioning rods 3 in two adjacent mobile positioning rod mechanisms; the output end of the distance sensor is connected to the input end of the controller, and the output end of the controller is connected to the control end of the drive motor 5; the controller is used to compare the actual distance between the positioning rods 3 in two adjacent mobile positioning rod mechanisms with the designed distance between two adjacent longitudinal steel bars to be positioned, and generate control instructions for the drive motor.

[0038] The driving motor 5 is sleeved on the positioning main rod 1 and placed on the side end of the dovetail clamp 2; it is used to respond to the control command of the driving motor to push or pull the dovetail clamp to move axially along the positioning main rod 1 so that the actual distance between the positioning rods 3 in two adjacent moving positioning rod mechanisms is equal to the designed distance between two adjacent longitudinal steel bars to be positioned.

[0039] The dovetail clamp 2 includes a cylindrical clamp body 21, a first handle 22, a second handle 23 and a spring 24. The cylindrical clamp body 21 is concentrically sleeved on the outer side of the positioning main rod 1, and an opening is set on one side of the cylindrical clamp body 21; the first handle 22 and the second handle 23 are symmetrically arranged in the middle of the outer side of the cylindrical clamp body 21, and are arranged away from the opening side of the cylindrical clamp body 21; specifically, the first handle 22 is located on the upper side of the middle part of the cylindrical clamp body 21, and the second handle 23 is located on the lower side of the middle part of the cylindrical clamp body 21, and the opening and closing of the cylindrical clamp body 21 is achieved by pinching the first handle 22 and the second handle 23; it should be noted that the manufacturing material of the cylindrical clamp body 21 can ensure that it can be stably clamped on the positioning main rod after opening and closing, and the positioning rod 3 and the cylindrical clamp body 21 are fixed by welding.

[0040] The spring 24 is arranged between the first handle 22 and the second handle 23; wherein one end of the spring 24 is connected to the first handle 22, and the other end of the spring 24 is connected to the second handle 23; the positioning rod 3 is vertically fixed to the outer end of the cylindrical clamp body 21, and is arranged away from the opening side of the cylindrical clamp body 21; the rubber cushion layer 4 is adhered to the inner surface of the cylindrical clamp body 21; wherein one side of the rubber cushion layer 4 is fixedly connected to the inner wall of the cylindrical clamp body 21, and the other side of the rubber cushion layer 4 is tightly arranged with the outer circumferential surface of the positioning main rod 1; the outer sides of the first handle 22 and the second handle 23 are both covered with rubber sleeves, and the outer sides of the rubber sleeves are evenly provided with anti-slip bumps; by covering the outer sides of the first handle 22 and the second handle 23 with rubber sleeves, and evenly providing anti-slip bumps on the outer sides of the rubber sleeves, it can make it more comfortable and labor-saving when in use, and prevent slipping.

[0041] Working principle and positioning method:

[0042] The steel bar positioning device described in the present invention, in actual use, firstly determines the installation quantity of the movable positioning rod mechanism according to the reinforcement quantity of the longitudinal steel bars in different structural design drawings; uses a distance sensor to collect the actual distance between the positioning rods in two adjacent movable positioning rod mechanisms; uses a controller to compare the actual distance between the positioning rods in two adjacent movable positioning rod mechanisms with the design distance between two adjacent longitudinal steel bars to be positioned, obtains the deviation value between the actual distance between the two positioning rods and the design distance between the two adjacent longitudinal steel bars to be positioned, and generates a control instruction for a driving motor according to the deviation value between the actual distance between the two positioning rods and the design distance between the two adjacent longitudinal steel bars to be positioned; the driving motor responds to the control instruction of the driving motor, pushes or pulls the dovetail clamp to move along the axial direction of the positioning main rod, so that the actual distance between the positioning rods in two adjacent movable positioning rod mechanisms is equal to the design distance between the two adjacent longitudinal steel bars to be positioned; finally, the longitudinal steel bars to be positioned are fixed between the positioning rods on the two adjacent movable positioning rod mechanisms, so as to realize the rapid positioning of the steel bars; after the positioning is completed, the steel bar positioning device can be disassembled to the next stage for use, so as to realize the reuse of the device.

[0043] The present invention also provides another positioning method, which is as follows:

[0044] According to the designed spacing of the longitudinal steel bars in the design drawing, read the scale value on the positioning main rod 1, and by pinching the first handle 22 and the second handle to open and close the dovetail clamp 2, adjust the positioning rods on the two adjacent movable positioning rod mechanisms to the designed spacing; finally, fix the longitudinal steel bars to be positioned between the positioning rods on the two adjacent movable positioning rod mechanisms to achieve rapid positioning of the steel bars; after positioning is completed, the steel bar positioning device can be disassembled for use in the next stage, thereby achieving reuse of the device.

[0045] In the present invention, the movable positioning rod mechanism can be set according to the actual reinforcement quantity of the longitudinal steel bars, and the movable positioning rod mechanism can be movably set on the positioning main rod; by driving the motor to push or pull the dovetail clamp or open and close the dovetail clamp and move the movable positioning rod mechanism along the axial direction of the positioning main rod, the spacing of the positioning rods connected to the movable positioning rod mechanism can be adjusted to determine the position of the longitudinal steel bars; by pasting a rubber pad layer on the inner surface of the cylindrical clamp body, the stability of the movable positioning rod mechanism on the positioning main rod is ensured.

[0046] The steel bar positioning device and method described in the present invention adjusts the position of the positioning rod fixed on the dovetail clamp by driving a motor to push or pull the dovetail clamp or by visually reading the positioning scale line on the positioning main rod, and binds the steel bar to be positioned between two adjacent positioning rods to achieve rapid positioning of the steel bar; at the same time, the device can adapt to the positioning of different types of steel bar quantities and steel bar spacings, and the device can be reused to save materials.

[0047] The above embodiment is only one of the implementation methods that can realize the technical solution of the present invention. The scope of protection claimed by the present invention is not limited only to this embodiment, but also includes changes, replacements and other implementation methods that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed by the present invention.

Claims

1. A steel bar positioning device, characterized in that: It comprises a positioning main rod (1) and a plurality of movable positioning rod mechanisms; the plurality of movable positioning rod mechanisms are movably sleeved on the outside of the positioning main rod (1), and the moving direction of the movable positioning rod mechanisms is parallel to the axial direction of the positioning main rod (1); The movable positioning rod mechanism comprises a dovetail clamp (2), a positioning rod (3), a distance sensor, a controller and a driving motor (5); the dovetail clamp (2) is sleeved on the outer side of the positioning main rod (1), and the positioning rod (3) is vertically arranged on the dovetail clamp (2); wherein the axis of the positioning rod (3) is vertically arranged to the axis of the positioning main rod (1); The distance sensor is fixed to the end of the positioning rod (3) and is used to collect the actual distance between the positioning rods (3) in two adjacent movable positioning rod mechanisms; the output end of the distance sensor is connected to the input end of the controller, and the output end of the controller is connected to the control end of the drive motor (5); the controller is used to compare the actual distance between the positioning rods (3) in two adjacent movable positioning rod mechanisms with the designed distance between two adjacent longitudinal steel bars to be positioned, and generate a control instruction for the drive motor; The drive motor (5) is sleeved on the positioning main rod (1) and is placed on the side end of the dovetail clamp (2); the drive motor (5) is used to respond to the control command of the drive motor to push or pull the dovetail clamp to move along the axial direction of the positioning main rod (1), so that the actual distance between the positioning rods (3) in two adjacent moving positioning rod mechanisms is equal to the designed distance between two adjacent longitudinal steel bars to be positioned; The dovetail clamp (2) comprises a cylindrical clamp body (21), a first handle (22) and a second handle (23); the cylindrical clamp body (21) is concentrically sleeved on the outside of the positioning main rod (1), and an opening is provided on one side of the cylindrical clamp body (21); The first handle (22) and the second handle (23) are symmetrically arranged at the middle of the outer side of the cylindrical clamp (21), and are arranged away from the opening side of the cylindrical clamp (21); the positioning rod (3) is vertically fixed to the outer end of the cylindrical clamp (21), and is arranged away from the opening side of the cylindrical clamp (21); The dovetail clamp (2) further comprises a spring (24); the spring (24) is arranged between the first handle (22) and the second handle (23); wherein one end of the spring (24) is connected to the first handle (22), and the other end of the spring (24) is connected to the second handle (23).

2. A steel bar positioning device according to claim 1, characterized in that: Positioning scale lines (11) are arranged on the outer side of the positioning main rod (1), and the positioning scale lines (11) are evenly distributed along the axial direction of the positioning main rod (1).

3. A steel bar positioning device according to claim 1, characterized in that: The inner surface of the cylindrical clamping body (21) is provided with a rubber cushion layer (4); one side of the rubber cushion layer (4) is fixedly connected to the inner wall of the cylindrical clamping body (21), and the other side of the rubber cushion layer (4) is tightly arranged with the outer circumferential surface of the positioning main rod (1).

4. A steel bar positioning device according to claim 1, characterized in that: The outer sides of the first handle (22) and the second handle (23) are both covered with rubber sleeves, and the outer sides of the rubber sleeves are evenly provided with anti-slip bumps.

5. A steel bar positioning device according to claim 1, characterized in that: The number of the movable positioning rod mechanisms is at least two.

6. A steel bar positioning device according to claim 1, characterized in that: The number of the movable positioning rod mechanisms is set to match the designed reinforcement quantity of the longitudinal steel bars to be positioned.

7. A method for locating a steel bar, characterized in that: A steel bar positioning device as claimed in any one of claims 1 to 6 is used; wherein the steel bar positioning method comprises the following steps: Determine the number of movable positioning rods to be installed according to the number of longitudinal reinforcement bars in different structural design drawings; The positioning main rod (1) is arranged along the vertical direction of the longitudinal reinforcement to be positioned; Using a distance sensor to collect and send the actual distance between the positioning rods (3) in two adjacent mobile positioning rod mechanisms to a controller; The controller is used to compare the actual distance between the positioning rods (3) in two adjacent movable positioning rod mechanisms with the designed distance between two adjacent longitudinal steel bars to be positioned, and to generate a control instruction for the drive motor; The drive motor (5) responds to the control command of the drive motor to push or pull the dovetail clamp to move along the axial direction of the positioning main rod (1), so that the actual distance between the positioning rods (3) in two adjacent movable positioning rod mechanisms is equal to the designed distance between two adjacent longitudinal steel bars to be positioned; The longitudinal steel bars to be positioned are fixed between the positioning rods on two adjacent movable positioning rod mechanisms to achieve rapid positioning of the steel bars.

Citation Information

Patent Citations

  • Steel bar positioning device

    CN220247663U