Steel bar protective layer thickness detection device
The self-moving detection device addresses manual operation challenges by automating the detection process, enhancing accuracy and safety in steel bar protective layer thickness measurements.
Patent Information
- Application Number
- CN202420195947.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-26
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-01-26
AI Technical Summary
Existing steel bar protective layer thickness detection devices require manual operation, leading to physical fatigue, potential measurement errors, inefficiency in marking measurement areas, and safety risks in high-risk zones.
A self-moving detection device equipped with a driving system, steering system, and control system, featuring a movable detection box with a camera, detection probe, and marker pen, allowing automated area detection and data recording, reducing manual effort and enhancing accuracy.
The device enables accurate, efficient, and safer detection by automating the measurement process, reducing operator fatigue and risk, and improving measurement precision.
Smart Images

Figure CN222165990U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a detection device, in particular to a detection device for the thickness of a steel bar protective layer. Background Art
[0002] The steel bar protection layer thickness detector can be used to detect the construction quality of existing reinforced concrete projects and newly built reinforced concrete structures: determine the location and reinforcement of the steel bars, detect the thickness of the concrete protection layer based on the known diameter, and have a reinforcement scanning function. In addition, it can also detect the location of magnetic bodies and conductors in non-magnetic and non-conductive media, such as cables and plumbing pipes in walls; electromagnetic induction steel bar detection is currently the most widely used method for detecting the thickness of the steel bar protection layer in concrete. Usually, when using a steel bar detector to measure the thickness of the steel bar protection layer in concrete, it is necessary to manually move the probe slowly in the direction perpendicular to the length of the steel bar being measured, and the tester needs to keep observing the screen of the instrument.
[0003] The Chinese utility model patent with application number CN202122861824.6 in the prior art involves a steel bar protective layer thickness detection device, including a measuring instrument body, support rods, connecting grooves, threaded rods, etc., which enables the steel bar protective layer thickness measuring instrument to conveniently and quickly detect beams and plate components at higher positions.
[0004] The above-mentioned device still has the following problems during actual use: 1. The test personnel need to hold the instrument probe all the time during the detection process. Long-term detection consumes a lot of physical energy and is prone to fatigue, resulting in test errors. 2. The tester moves the instrument probe while observing the instrument screen, which will cause the probe to deviate without being noticed, resulting in test errors. 3. At present, the most common method for marking the measurement area is to use chalk and a ruler to draw the measurement area. This method has the disadvantages of low efficiency and high labor intensity. 4. Some high-risk areas are prone to pose a safety threat to operators, are difficult to detect, and are prone to detection leaks. Therefore, in response to these problems, the present application provides a steel bar protective layer thickness detection device. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a device for detecting the thickness of the protective layer of steel bars. Through the driving system, steering system and control system of the movable detection box, the movable detection box can move to the detection position by itself, observe the position to be detected through the camera, detect the area to be detected through the loaded detection probe, draw the measurement area with a marker pen, observe the area to be detected through the operating table, control the activity of the movable detection table, record the detection data, achieve the purpose of accurate measurement, and reduce the work intensity and risk.
[0006] A steel bar protective layer thickness detection device, comprising: an operating table, a data line and a movable detection box, wherein a detector is installed on the operating table, and the detector is connected to a detection probe installed on the movable detection box through a data line to record detection data in real time;
[0007] A display screen is installed on the left side of the detector; a control panel is installed below the display screen; the control panel includes a direction bar and a fine-tuning knob; the display screen is connected to the camera via a data cable, and the direction bar and the fine-tuning knob are connected to the driving motor controller and the steering motor controller on the active detection box via a data cable to control various activities of the active detection box and observe the area to be surveyed;
[0008] Preferably, an active detection box cover is installed above the active detection box, a detection box front roller and a detection box rear roller are installed below the active detection box, the two detection box rear rollers are installed on the active detection box bottom plate through universal joints, the two detection box front rollers are connected with a horizontal axis, the middle part of the horizontal axis is connected with a transmission shaft, the transmission shaft is connected to a vertical axis through a coupling, a driving gear is installed on the vertical axis, the driving gear is connected to a driving motor gear and meshes with it, the driving motor gear is installed on the driving motor, the driving motor is installed on the partition, the driving motor is connected to a driving motor controller, the driving motor is connected to a battery, the battery provides power for the driving motor, the driving motor controller is connected to a direction bar and a fine-tuning knob through a data line, and the active detection box can be controlled to perform linear motion at any time;
[0009] Preferably, one of the front rollers of the detection box is connected to the bottom plate of the movable detection box through a universal joint, and the other is connected to the steering gear through a rotating shaft; the steering gear is connected to and meshes with the steering motor gear, the steering motor gear is installed on the steering motor, the steering motor is connected to the steering motor controller, the steering motor is connected to a battery, the battery provides power for the steering motor, and the steering motor controller is connected to the direction rod and the fine-tuning knob through a data cable to control the movable detection box to perform steering movement;
[0010] Preferably, the rear bottom plate of the movable detection box is provided with an opening larger than the detection probe; fixed plates are installed on both sides above the rear opening of the movable detection box, a screw with an arc-shaped plate is installed on the fixed plate, a hand wheel is installed at one end of the screw, the arcs of the arc plates on the two screws with arc-shaped plates are opposite, the detection probe is installed between the two arc-shaped plates, the detection probe is fixed or removed by rotating the hand wheel, and the detection probe is connected to the detector via a data cable to receive instructions issued by the detector and transmit back detection data;
[0011] Preferably, a marker pen sleeve is installed behind the detection probe at the rear of the movable detection box, the marker pen sleeve is above the bottom plate of the detection box, a pull ring is installed on the top of the marker pen sleeve, a hollow marker pen inner sleeve is inside the marker pen sleeve, the marker pen inner sleeve penetrates the bottom plate of the detection box and is fixed on the bottom plate of the detection box, a downward spring is installed on the top of the inner sleeve of the marker pen, a sliding block is connected below the spring, and slots for accommodating the entry and exit of the marker pen are opened on both sides of the part of the marker pen inner sleeve above the bottom plate of the detection box; the sliding block is connected to the marker pen sleeve through the slots on both sides, the marker pen is installed in the marker pen inner sleeve, the marker pen is loaded or taken out by pulling the pull ring, and the spring makes the marker pen have a certain elasticity during surveying and mapping to avoid damage to the marker pen;
[0012] Preferably, a camera is installed at the rear of the activity detection box, the camera is outside the activity detection box, and the camera is connected to the display screen via a data cable to transmit the real-time image back to the display screen;
[0013] Preferably, an operating table roller is installed at the bottom of the operating table, and the operating table roller is connected to the bottom of the operating table through a universal joint, so that the operating table can be flexibly and conveniently moved to a designated position.
[0014] The beneficial effects of the utility model are as follows: through the driving system, steering system and control system of the movable detection box, the movable detection box can move to the detection position by itself, the position to be detected can be observed through the camera, the area to be detected can be detected by the loaded detection probe, the measurement area can be drawn by a marking pen, the area to be detected can be observed through the operating table, the activity of the movable detection table can be controlled, the detection data can be recorded, the purpose of accurate measurement can be achieved, and the work intensity and risk can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a first axonometric structural schematic diagram of the utility model;
[0016] Figure 2 It is a second axonometric structural schematic diagram of the utility model;
[0017] Figure 3 is the first section of the activity detection box;
[0018] Figure 4 is the second cross section of the activity detection box;
[0019] Figure 5 is the third cross section of the activity detection box;
[0020] Figure 6 is the fourth cross section of the activity detection box;
[0021] The accompanying drawings are marked as follows: 1. operating table; 2. detector; 3. control panel; 4. direction rod; 5. fine-tuning knob; 6. movable detection box; 7. movable detection box cover; 8. steering motor; 9. drive motor; 10. detection probe; 11. fixing plate; 12. screw; 13. hand wheel; 14. marker pen sleeve; 15. pull ring; 16. data cable; 17. rear roller of detection box; 18. battery; 19. drive motor controller; 20. steering motor controller; 21. front roller of detection box; 22. marker pen inner sleeve; 23. marker pen; 24. coupling; 25. transmission shaft; 26. horizontal axis; 27. steering gear; 28. steering motor gear; 29. camera; 30. display screen; 31. drive motor gear; 32. drive gear; 33. sliding block; 34. spring; 35. vertical axis; 36. partition; 37. operating table roller. DETAILED DESCRIPTION
[0022] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0023] Example
[0024] Refer to the instruction manual Figure 1-6 The utility model provides a steel bar protective layer thickness detection device, including an operating table 1, a data line 16 and a movable detection box 6, a detector 2 is installed on the operating table 1, the detector 2 is connected to a detection probe 10 installed on the movable detection box 6 through the data line 16, and the detection data is recorded in real time, a display screen 30 is installed on the left side of the detector 2; a control panel 3 is provided below the display screen 30; the control panel 3 includes a direction bar 4 and a fine-tuning knob 5; the display screen 30 is connected to a camera 29 on the movable detection box 6 through the data line 16, and the direction bar 4 and the fine-tuning knob 5 are connected to a drive motor controller 19 and a steering motor controller 20 on the movable detection box 6 through the data line 16, so as to control various activities of the movable detection box 6 and observe the area to be surveyed;
[0025] like Figure 1-6As shown, an active detection box cover plate 7 is installed above the active detection box 6. The cover plate is covered during the detection operation to prevent accidental damage to the instruments and equipment in the active detection box 6. A detection box front roller 21 and a detection box rear roller 17 are installed below the active detection box 6. The two detection box rear rollers 17 are installed on the bottom plate of the active detection box 6 through a universal joint. The two detection box front rollers 21 are connected by a horizontal axis 26. The middle part of the horizontal axis 26 is connected to a transmission shaft 25. The transmission shaft 25 is connected to a vertical axis 35 through a coupling 24. A driving gear 32 is installed on the vertical axis 35. The driving gear 32 is connected to a driving motor gear 31 and meshes with it. The driving motor gear 31 is installed on a driving motor 9. The driving motor 9 is installed on a partition 36. The driving motor 9 is connected to a driving motor controller 19. The driving motor 9 is connected to a battery 18. The battery 18 provides power for the driving motor 9. The driving motor controller 19 is connected to a direction bar 4 and a fine-tuning knob 5 through a data line 16 to receive instructions to control the active detection box 6 to perform linear motion;
[0026] like Figure 1-6 As shown, one of the front rollers 21 of the detection box is connected to the bottom plate of the active detection box 6 through a universal joint, and the other is connected to the steering gear 27 through a rotating shaft; the steering gear 27 is connected to and meshes with the steering motor gear 28, and the steering motor gear 28 is installed on the steering motor 8, and the steering motor 8 is connected to the steering motor controller 20, and the steering motor 8 is connected to the battery 18, and the battery 18 provides power for the steering motor 8, and the steering motor controller 20 is connected to the direction rod 4 and the fine-tuning knob 6 through the data line 16 to control the active detection box 6 to perform steering movement;
[0027] like Figure 1-6 As shown, the rear bottom plate of the movable detection box 6 is provided with an opening larger than the detection probe 10; fixed plates 11 are installed on both sides above the rear opening of the movable detection box 6, and a screw rod 12 with an arc-shaped plate is installed on the fixed plate 11, and a hand wheel 13 is installed at one end of the screw rod 12, and the arcs of the arc plates on the two screw rods 12 with arc plates are opposite, and the detection probe 10 is installed in the middle of the two arc plates, and the detection probe 10 is fixed or removed by rotating the hand wheel 13, and the detection probe 10 is connected to the detector 2 through the data line 16, receives the command issued by the detector 2, and transmits the detection data back in real time;
[0028] like Figure 1-6As shown, a marker pen sleeve 14 is installed behind the detection probe 10 at the rear of the movable detection box 6, and the marker pen sleeve 14 is above the bottom plate of the detection box. A pull ring 15 is installed on the top of the marker pen sleeve 14. A hollow marker pen inner sleeve 22 is installed inside the marker pen sleeve 14, and the marker pen inner sleeve 22 penetrates the bottom plate of the detection box and is fixed on the bottom plate of the detection box. A downward spring 34 is installed on the top of the marker pen inner sleeve 22, and a sliding block 33 is connected below the spring 34. The marker pen inner sleeve 22 has slots on both sides of the part above the bottom plate of the detection box to accommodate the entry and exit of the marker pen 23; the sliding block 33 is connected to the marker pen sleeve 14 through the slots on both sides, and the marker pen 23 is installed in the marker pen inner sleeve 22. The marker pen is loaded or taken out by pulling the pull ring 15. The spring 34 makes the marker pen 23 have a certain elasticity during surveying and mapping to avoid damage to the marker pen 23.
[0029] like Figure 1-6 As shown, a camera 29 is installed at the rear of the activity detection box 6 , and the camera 29 is installed on the outside of the activity detection box 6 . The camera 29 is connected to the display screen 30 via a data cable 16 to transmit real-time images back to the display screen 30 .
[0030] like Figure 1-6 As shown, a platform roller 37 is installed at the bottom of the platform 1, and the platform roller 37 is connected to the bottom of the platform 1 through a universal joint, so that the platform 1 can be flexibly and conveniently moved to a designated position.
[0031] As an embodiment of the utility model: when using the steel bar protective layer thickness detection device, move the operating table 1 to the specified position, connect the active detection box 6 with the data cable 16, place the detection probe 10 between the two arc-shaped plates of the screw 12, rotate the hand wheel 13, fix the detection probe 10, pull the pull ring 15 on the marker pen sleeve 14 upward to expose the notch on the marker pen inner sleeve 22, insert the marker pen 23, release the pull ring 15, place the active detection box 6 on the plane to be detected, turn on the camera 29, observe the display screen 30, use the direction bar 4 to manipulate the active detection box 6 to the area to be detected, use the fine-tuning knob 5 to accurately adjust the position, turn on the detector 2, record the detection data sent back by the detection probe 10 in real time, and operate the marker pen 23 to survey the monitoring area until the detection is completed.
[0032] The detector 2, control panel 3, steering motor 8, drive motor 9, detection probe 10, coupling 24, camera 29 and display screen 30 of the utility model are purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.
[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A device for detecting the thickness of a steel bar protective layer, characterized in that The invention comprises an operating table (1) and an activity detection box (6), wherein the activity detection box (6) is connected with a data line (16); the operating table (1) is equipped with a detector (2); the detector (2) is connected to a detection probe (10) on the activity detection box (6) via a data line (16); a display screen (30) is provided on the left side of the detector (2); a control panel (3) is provided below the display screen (30); the control panel (3) comprises a direction bar (4) and a fine-tuning knob (5); the display screen (30) is connected to a camera (29) via a data line (16), and the direction bar (4) and the fine-tuning knob (5) are connected to a drive motor controller and a steering motor controller on the activity detection box (6) via a data line (16).
2. A steel bar protective layer thickness detection device according to claim 1, characterized in that: An active detection box cover plate (7) is installed above the active detection box (6); two detection box front rollers (21) and two detection box rear rollers (17) are installed below the active detection box (6); the two detection box rear rollers (17) are installed on the bottom plate of the active detection box (6) via universal joints; the two detection box front rollers (21) are connected by a transverse shaft (26); the middle part of the transverse shaft (26) is connected to a transmission shaft (25); the transmission shaft (25) is connected to a vertical shaft (35) via a coupling (24). A driving gear (32) is installed on the vertical shaft, the driving gear (32) is connected to a driving motor gear (31) and meshes with the driving motor gear (31), the driving motor gear (31) is installed on a driving motor (9), the driving motor (9) is installed on a partition (36), the driving motor (9) is connected to a driving motor controller (19), the driving motor (9) is connected to a battery (18), and the driving motor controller (19) is connected to a direction rod (4) and a fine-tuning knob (5) via a data line (16).
3. A steel bar protective layer thickness detection device according to claim 2, characterized in that: One of the front rollers (21) of the detection box is connected to the bottom plate of the movable detection box (6) through a universal joint, and the other is connected to a steering gear (27) through a rotating shaft; the steering gear (27) is connected to a steering motor gear (28) and meshes with the steering motor gear (28), the steering motor gear (28) is installed on the steering motor (8), the steering motor (8) is connected to a steering motor controller (20), the steering motor (8) is connected to a battery (18), and the steering motor controller (20) is connected to a direction rod (4) and a fine-tuning knob (5) through a data line (16).
4. A steel bar protective layer thickness detection device according to claim 3, characterized in that: The rear bottom plate of the movable detection box (6) is provided with an opening larger than the detection probe (10); fixed plates (11) are installed on both sides above the rear opening of the movable detection box (6); two screw rods (12) with curved plates are installed on the fixed plate (11); a hand wheel (13) is installed at one end of the screw rod (12); the curved plates on the two screw rods (12) with curved plates are opposite to each other; the detection probe (10) is installed between the two curved plates; and the detection probe (10) is connected to the detection instrument (2) via a data line (16).
5. A steel bar protective layer thickness detection device according to claim 1, characterized in that: A marker pen sleeve (14) is installed behind the detection probe at the rear of the movable detection box (6). The marker pen sleeve (14) is above the bottom plate of the detection box. A pull ring (15) is installed at the top of the marker pen sleeve. A hollow marker pen inner sleeve (22) is installed inside the marker pen sleeve (14). The marker pen inner sleeve (22) penetrates the bottom plate of the detection box and is fixed on the bottom plate of the detection box. A downward spring (34) is installed at the top of the marker pen inner sleeve (22). A sliding block (33) is connected below the spring (34). The marker pen inner sleeve (22) has slots on both sides of the part above the bottom plate of the detection box for accommodating the marker pen (23) to enter and exit. The sliding block (33) is connected to the marker pen sleeve (14) through the slots on both sides, and the marker pen (23) is installed in the marker pen inner sleeve (22).
6. A steel bar protective layer thickness detection device according to claim 1, characterized in that: A camera (29) is installed at the rear of the activity detection box (6), the camera (29) is outside the activity detection box (6), and the camera (29) is connected to a display screen (30) via a data cable.
7. A steel bar protective layer thickness detection device according to claim 1, characterized in that: An operating table roller (37) is installed at the bottom of the operating table (1), and the operating table roller (37) is connected to the bottom of the operating table (1) via a universal joint.
