A device for detecting corrosion of reinforcing steel

CN224609025UActive Publication Date: 2026-08-07SHENZHEN TAIKE TEST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN TAIKE TEST
Filing Date
2025-05-30
Publication Date
2026-08-07

AI Technical Summary

Technical Problem

[0004]但是在实际使用的时候,由于连接杆对检测电极进行固定安装,使得在检测不同钢管的时候无法进行调整间距,这使得当检测直径较小的钢管时,固定的电极间距可能过大,导致检测信号的干扰和误差增加,而面对直径较大的钢管,固定的电极间距又可能过小,无法全面覆盖检测区域,影响检测结果的准确性

Benefits of technology

[0015] This utility model allows the operator to rotate the handle, causing the lead screw to rotate and the positioning frame to move along the lead screw axis, precisely adjusting the position of the mounting hole to ensure proper contact with the rebar being tested. In the installation assembly, the telescopic column slides within the mounting hole and achieves self-reset via a spring. Its bottom plate contacts the rebar, ensuring stable positioning of the device. Adjusting the length of the telescopic column fixes the detection electrode tube in the appropriate position. The winding assembly allows for free winding and unwinding of the connecting wire via the rotation of the drum. The operating handle controls the rotation of the drum to adjust the length of the connecting wire. This design can precisely adjust the electrode spacing according to changes in the diameter of the steel pipe, avoiding signal interference and errors caused by a fixed electrode spacing, ensuring the accuracy of the test results. In addition, it enables rapid installation and stable fixation of the detection electrode tube and orderly management of the connecting wires, avoiding the storage chaos caused by excessively long wire bundles.

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Abstract

The utility model provides a reinforcing steel bar corrosion detection device relates to detection equipment field, including rust detection machine adjusting assembly, adjusting assembly includes the support frame of fixed connection in rust detection machine outside, the top fixed connection of support frame has the adjusting column, the inside both ends screw thread connection of adjusting column has the lead screw, the one end rotationally connected of lead screw away from adjusting column has the positioning frame, the one end fixed connection of positioning frame away from lead screw has the mounting hole, the inside slide connection of adjusting assembly has the mounting assembly, this design can according to the change of steel pipe diameter, accurate adjustment electrode spacing, avoided the signal interference and error of fixed electrode spacing, ensured the accuracy of detection result. In addition realized the quick installation and stable fixation of detection electrode pipe, and realized the orderly management of connecting wire, avoided the storage confusion problem caused by harness too long.
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Description

Technical Field

[0001] This utility model relates to the field of testing equipment, and in particular to a steel bar corrosion detection device. Background Technology

[0002] A rebar corrosion detection device is a precision instrument specifically designed to assess the corrosion status of rebar in concrete structures. It typically consists of a main unit, sensors, and related connecting cables. Its working principle is based on electrochemical principles; through sensors connected to the rebar, it measures parameters such as the potential difference on the rebar surface to determine whether corrosion has occurred and the extent of the corrosion.

[0003] A search of Chinese Patent Publication No. CN219038901U reveals a steel reinforcement corrosion detection device, belonging to the field of detection equipment. It includes a main unit and an electrode mounting frame. A connecting frame is mounted on the front end of the main unit. The connecting frame consists of a connecting handle and a mounting block structure. Two mounting blocks are symmetrically installed at the upper and lower ends of the connecting handle. An adsorption magnet is installed inside the upper mounting block structure. The electrode mounting frame is mounted on the upper mounting block structure and has an iron block mounted on it. Two connectors are fixedly installed on the front end of the main unit. By setting a connecting frame at the front end of the main unit and mounting the electrode mounting frame with the detection electrodes on it, when detecting steel reinforcement, only one hand needs to hold the connecting handle of the connecting frame to lift the main unit and the detection electrodes mounted on the electrode mounting frame for detection, thus making the operation of the steel reinforcement corrosion detector more convenient.

[0004] However, in actual use, because the connecting rod fixes the detection electrodes, the spacing cannot be adjusted when detecting different steel pipes. This means that when detecting steel pipes with smaller diameters, the fixed electrode spacing may be too large, leading to increased interference and errors in the detection signal. On the other hand, when dealing with steel pipes with larger diameters, the fixed electrode spacing may be too small, failing to fully cover the detection area and affecting the accuracy of the detection results.

[0005] Therefore, this utility model provides a steel reinforcement corrosion detection device. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of existing technologies and provide a steel reinforcement corrosion detection device.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a steel bar corrosion detection device, comprising: a corrosion detection machine adjustment assembly; the adjustment assembly includes a support frame fixedly connected to the outside of the corrosion detection machine, an adjustment column fixedly connected to the top of the support frame, threaded rods threaded to both ends of the adjustment column, a positioning frame rotatably connected to the end of the threaded rod away from the adjustment column, a mounting hole fixedly connected to the end of the positioning frame away from the threaded rod, and an installation assembly slidably connected inside the adjustment assembly;

[0008] A take-up assembly; the take-up assembly includes a drum rotatably connected to a corrosion detection machine, a connecting wire installed inside the drum, and a detection electrode tube fixedly connected to one end of the connecting wire away from the drum.

[0009] In a preferred embodiment, the mounting assembly includes a telescopic column slidably connected inside the mounting hole, a limit post fixedly connected to the outer side of the telescopic column, a spring sleeved on the outer side of the telescopic column, and a retaining plate fixedly connected to the bottom end of the telescopic column.

[0010] In a preferred embodiment, a handle is fixedly connected to the outer side of the lead screw.

[0011] In a preferred embodiment, an operating handle is fixedly connected to the outer side of the reel.

[0012] In a preferred embodiment, the detection electrode tube is inserted inside the mounting hole, and the bottom end of the clamping plate is in contact with the outside of the detection electrode tube.

[0013] In a preferred embodiment, one end of the spring is fixedly connected to the mounting hole, and the other end of the spring is fixedly connected to the bottom end of the limiting post.

[0014] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0015] This utility model allows the operator to rotate the handle, causing the lead screw to rotate and the positioning frame to move along the lead screw axis, precisely adjusting the position of the mounting hole to ensure proper contact with the rebar being tested. In the installation assembly, the telescopic column slides within the mounting hole and achieves self-reset via a spring. Its bottom plate contacts the rebar, ensuring stable positioning of the device. Adjusting the length of the telescopic column fixes the detection electrode tube in the appropriate position. The winding assembly allows for free winding and unwinding of the connecting wire via the rotation of the drum. The operating handle controls the rotation of the drum to adjust the length of the connecting wire. This design can precisely adjust the electrode spacing according to changes in the diameter of the steel pipe, avoiding signal interference and errors caused by a fixed electrode spacing, ensuring the accuracy of the test results. In addition, it enables rapid installation and stable fixation of the detection electrode tube and orderly management of the connecting wires, avoiding the storage chaos caused by excessively long wire bundles. Attached Figure Description

[0016] Figure 1 A perspective view of a steel bar corrosion detection device provided by this utility model;

[0017] Figure 2 A schematic diagram of the adjustment component structure of a steel bar corrosion detection device provided by this utility model;

[0018] Figure 3 A schematic diagram of the internal structure of the adjusting column of a steel bar corrosion detection device provided by this utility model;

[0019] Figure 4 This is a schematic diagram of the interior of the mounting hole of a steel bar corrosion detection device provided by this utility model.

[0020] Legend:

[0021] 1. Corrosion detection machine;

[0022] 2. Adjustment assembly; 21. Support frame; 22. Adjustment column; 23. Lead screw; 24. Positioning bracket; 25. Mounting hole; 26. Handle;

[0023] 3. Installation components; 31. Telescopic column; 32. Limiting column; 33. Spring; 34. Clamping plate;

[0024] 4. Take-up assembly; 41. Drum; 42. Operating handle; 43. Connecting cable; 44. Detection electrode tube. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] like Figure 1 - Figure 3 As shown, this embodiment provides a technical solution: a steel bar corrosion detection device, including: a corrosion detection machine 1 and an adjustment component 2; the adjustment component 2 includes a support frame 21 fixedly connected to the outside of the corrosion detection machine 1, an adjustment column 22 fixedly connected to the top of the support frame 21, a lead screw 23 threadedly connected to both ends of the adjustment column 22, a positioning frame 24 rotatably connected to the end of the lead screw 23 away from the adjustment column 22, a mounting hole 25 fixedly connected to the end of the positioning frame 24 away from the lead screw 23, and a handle 26 fixedly connected to the outside of the lead screw 23;

[0027] The corrosion detection machine 1 is responsible for detecting and analyzing the corrosion of the reinforcing bars. The support frame 21 supports and fixes the entire adjustment assembly 2, providing a stable installation foundation for the adjustment column 22 and ensuring the stability of the adjustment assembly 2 during operation. The adjustment column 22 has threaded connections at both ends to lead screws 23. Rotation of the lead screws 23 allows for precise adjustment of the positioning frame 24. When the lead screws 23 are rotated, the threaded action causes the positioning frame 24 to move axially along the lead screws 23, thereby adjusting the position of the mounting hole 25. The threaded design of the lead screws 23 makes position adjustment more precise. Precise and stable, it can meet the needs of different detection points. The main function of the positioning frame 24 is to support and fix the mounting hole 25, so that it can move to the designated position as the lead screw 23 rotates. By installing the detection electrode tube 44 in the mounting hole 25, the probe can be kept stable during the detection process and maintain good contact with the detected steel bar. The handle 26 is designed as a tool for the operator to manually rotate the lead screw 23. By manually rotating the handle 26, the rotation direction of the lead screw 23 can be easily controlled, thereby realizing the precise adjustment of the position of the positioning frame 24 and the mounting hole 25.

[0028] like Figure 1 and Figure 4 As shown, the adjustment component 2 is internally slidably connected to the mounting component 3. The mounting component 3 includes a telescopic column 31 slidably connected inside the mounting hole 25. A limit column 32 is fixedly connected to the outside of the telescopic column 31. A spring 33 is sleeved on the outside of the telescopic column 31. One end of the spring 33 is fixedly connected to the mounting hole 25, and the other end of the spring 33 is fixedly connected to the bottom end of the limit column 32. A locking plate 34 is fixedly connected to the bottom end of the telescopic column 31.

[0029] The telescopic column 31 can adjust the overall length of the mounting assembly 3 to facilitate the rapid installation of the detection electrode tube 44. The telescopic column 31 is fixedly connected to the outer side of the limiting column 32 and is also fitted with a spring 33. This design allows the telescopic column 31 to remain stable during the telescopic process and to automatically reset when needed. The bottom end of the telescopic column 31 is fixedly connected to a clamping plate 34. The clamping plate 34 contacts the steel bar being tested to achieve the positioning and fixation of the device. The limiting column 32 limits the telescopic range of the telescopic column 31 to prevent the telescopic column 31 from over-extending and causing instability or damage to the device. The main function of the spring 33 is to provide elastic force so that the telescopic column 31 can automatically reset during the telescopic process. When the telescopic column 31 is stretched or compressed, the spring 33 will generate corresponding elastic force to push the telescopic column 31 back to the initial position and install and fix the detection electrode tube 44. The design of the clamping plate 34 allows it to be firmly clamped to the steel bar, ensuring that the detection electrode tube 44 will not be displaced or shaken during the testing process.

[0030] like Figure 1 , Figure 3 and Figure 4 As shown, the take-up assembly 4 includes a drum 41 rotatably connected to the rust detection machine 1. An operating handle 42 is fixedly connected to the outside of the drum 41. A connecting wire 43 is installed inside the drum 41. A detection electrode tube 44 is fixedly connected to one end of the connecting wire 43 away from the drum 41. The detection electrode tube 44 is inserted into the mounting hole 25. The bottom end of the clamping plate 34 contacts the outside of the detection electrode tube 44.

[0031] The drum 41 is rotatably connected to the corrosion detection machine 1, which allows the connecting wire 43 to be wound up and down. The operating handle 42 is a tool for the operator to manually control the rotation of the drum 41. The main function of the connecting wire 43 is to connect the detection electrode tube 44 to the drum 41. By rotating the drum 41, the connecting wire 43 can be wound up and down. The detection electrode tube 44 is inserted into the mounting hole 25 and can be used for detection to obtain information on the corrosion of the steel bars. The outer side of the detection electrode tube 44 is in contact with the bottom end of the clamping plate 34. Through the fixing action of the clamping plate 34, it can be ensured that the detection electrode tube 44 remains stable during the detection process and will not be displaced or shaken.

[0032] like Figure 1 - Figure 4 As shown:

[0033] In use: The operator rotates the handle 26 to rotate the lead screw 23. Due to the threaded connection between the lead screw 23 and the adjusting column 22, the rotation of the lead screw 23 will cause the positioning frame 24 to move axially along the lead screw 23. In this way, the position of the positioning frame 24 can be precisely adjusted, thereby adjusting the relative position of the mounting hole 25 and ensuring that the contact position between the mounting hole 25 and the reinforcing bar being tested is appropriate. Subsequently, the mounting assembly 3, through the telescopic column 31 slidably connected in the mounting hole 25, allows the device to quickly install and adjust the detection electrode tube 44 as needed. The telescopic column 31 is fixedly connected to the limiting column 32 and achieves self-resetting function through the spring 33. Yes, the bottom end of the telescopic column 31 is fixedly connected to the clamping plate 34, and the clamping plate 34 contacts the steel bar being tested to ensure that the device is positioned stably. By adjusting the length of the telescopic column 31, the detection electrode tube 44 can be fixed in an appropriate position. At the same time, the rebound force of the spring 33 ensures that the telescopic column 31 automatically returns to its initial position when it is not needed to extend or retract. Then, the take-up assembly 4 rotates the drum 41 connected to the rust detection machine 1, so that the connecting wire 43 can be freely extended and retracted. The operator controls the rotation of the drum 41 by the operating handle 42, which drives the connecting wire 43 to be wound with the drum 41, thereby adjusting the length of the connecting wire 43 and avoiding the wire harness being too long and causing storage chaos.

[0034] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A steel reinforcement corrosion detection device, comprising: The rust detection machine (1) is characterized in that, Adjustment component (2); The adjustment component (2) includes a support frame (21) fixedly connected to the outside of the rust detection machine (1), an adjustment column (22) fixedly connected to the top of the support frame (21), a lead screw (23) threadedly connected to both ends of the adjustment column (22), a positioning frame (24) rotatably connected to the end of the lead screw (23) away from the adjustment column (22), a mounting hole (25) fixedly connected to the end of the positioning frame (24) away from the lead screw (23), and an installation component (3) slidably connected inside the adjustment component (2); The take-up assembly (4) includes a drum (41) rotatably connected to the rust detection machine (1), a connecting wire (43) is installed inside the drum (41), and a detection electrode tube (44) is fixedly connected to one end of the connecting wire (43) away from the drum (41).

2. The steel reinforcement corrosion detection device according to claim 1, characterized in that: The mounting assembly (3) includes a telescopic column (31) slidably connected inside the mounting hole (25), a limit column (32) fixedly connected to the outside of the telescopic column (31), a spring (33) sleeved on the outside of the telescopic column (31), and a clamping plate (34) fixedly connected to the bottom end of the telescopic column (31).

3. The steel reinforcement corrosion detection device according to claim 1, characterized in that: A handle (26) is fixedly connected to the outside of the lead screw (23).

4. The steel reinforcement corrosion detection device according to claim 1, characterized in that: An operating handle (42) is fixedly connected to the outside of the reel (41).

5. A steel reinforcement corrosion detection device according to claim 2, characterized in that: The detection electrode tube (44) is inserted inside the mounting hole (25), and the bottom end of the clamping plate (34) is in contact with the outside of the detection electrode tube (44).

6. A steel reinforcement corrosion detection device according to claim 2, characterized in that: One end of the spring (33) is fixedly connected to the mounting hole (25), and the other end of the spring (33) is fixedly connected to the bottom end of the limiting post (32).

Citation Information

Patent Citations

  • Steel bar corrosion detection device

    CN219038901U