Automatic detection device of steel bar protective layer thickness measuring instrument

Abstract

The invention discloses an automatic detection device of a steel bar protective layer thickness measuring instrument in the technical field of concrete structure detection. A signal processing algorithm, a mode recognition algorithm and an optimization algorithm are adopted through a data processing unit. The data processing unit is used for analyzing the signal received by the sensor module and calculating the thickness of the steel bar protection layer; and the control unit is used for controlling the work of the sensor module and the data processing unit, and the control unit can automatically adjust the working parameters of the sensor according to environmental conditions so as to adapt to different detection environments. And the display unit is used for displaying the measurement result. And the display unit can display the measurement result in real time and provide data storage and transmission functions. The mechanical unit is provided for supplemental detection and is used in the event of insensitive or malfunctioning of the sensor module. According to the automatic detection device of the steel bar protective layer thickness measuring instrument, the measurement efficiency and precision can be improved, and errors caused by manual measurement are reduced.

Description

Technical Field

[0001] The invention relates to the technical field of concrete structure detection, in particular to an automatic detection device for measuring the thickness of a steel bar protective layer. Background Art

[0002] The thickness of the steel bar cover refers to the distance from the outer edge of the steel bar to the surface of the concrete cover. The thickness of the steel bar cover is one of the key factors affecting the durability and safety of concrete structures. Traditional detection methods usually require manual operation and have large errors.

[0003] CN201510544642.2 Automatic detection device for measuring thickness of steel bar protective layer, the control cabinet is installed on the right side of the base plate, and the frame is installed on the left side of the base plate; wherein: the four columns of the frame are vertically installed on the left side of the base plate, after the holes on the four corners of the third plate and the second plate pass through the four columns, the third plate is fixed to the bottom of the four columns, and a gap is left between the third plate and the base plate, the second plate and the four columns form a sliding pair, the first plate is fixed to the top of the four columns, one end of the first non-metallic trapezoidal screw rod and the second non-metallic trapezoidal screw rod pass through the holes of the second plate and the third plate respectively; the servo motor is installed in the control cabinet, between the third plate and the Between the base plates, one end of the second non-metallic trapezoidal screw near the servo motor side is equipped with a driving wheel with two-stage pulleys, and one end of the first non-metallic trapezoidal screw away from the servo motor side is equipped with a driven wheel. The upper surface of the third plate is equipped with a fixed pulley, and the lower surface is equipped with a tensioning wheel. The servo motor drives a pulley on the driving wheel to rotate through a belt, and another pulley on the driving wheel drives the driven wheel to rotate through another belt and a tensioning wheel. The second plate moves up and down with the rotation of the two non-metallic trapezoidal screws; one end of the pull wire is connected to the pull wire photoelectric encoder installed in the control cabinet, and the other end is connected to the fixed pulley on the upper surface of the third plate and fixed to the lower surface of the second plate. It can automatically determine the starting position of the steel bar, that is, the displacement zero point. No pad is required during the entire calibration process, and no manual determination of the specific vertical position of the steel bar is required, which improves work efficiency and does not require the manufacture and processing of pads of various thicknesses.

[0004] The above patents still need to measure the thickness manually. After searching the prior art, it is found that there is still a lack of a device that can accurately and automatically detect the thickness of the steel bar protective layer. To this end, we introduce an automatic detection device for measuring the thickness of the steel bar protective layer. Summary of the invention

[0005] The purpose of the present invention is to provide an automatic detection device for measuring the thickness of a steel bar protective layer, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: an automatic detection device for measuring the thickness of a steel bar protective layer, comprising: a machine base, the machine base being supported at the bottom;

[0007] An operating table connected to the upper end of the machine base, the operating table is used to perform detection operations at the upper end;

[0008] A lifting unit connected to the upper end of the operating table, the lifting unit is used to lift the steel bar plate to be inspected;

[0009] A plurality of groups of columns connected to the upper end of the operating table, wherein the upper ends of the columns are connected to a top plate;

[0010] An operating system installed on one side of a set of said columns, said operating system being used to operate automatic detection;

[0011] A detection system installed on one side of the lower end of the top plate, the detection system is used to automatically detect the thickness of the steel bar protective layer;

[0012] As a further optimization of the technical solution, a cavity for arranging a storage box is further provided at the upper end of the operating table, and a material discharge trough is provided on the upper surface of the operating table, and the lower end of the material discharge trough is connected to the cavity.

[0013] As a further optimization of the technical solution, the lifting unit includes a hydraulic cylinder and a support plate. The hydraulic cylinder is installed at the lower end of the top plate, and the output end of the hydraulic cylinder is fixedly connected to the support plate through a connecting plate.

[0014] As a further optimization of the present technical solution, the operating system includes a data processing unit, a control unit and a display unit, and they are connected via signals.

[0015] As a further optimization of the present technical solution, the data processing unit adopts a signal processing algorithm, a pattern recognition algorithm and an optimization algorithm.

[0016] As a further optimization of the present technical solution, the detection system includes a mechanical unit and a sensor module. The mechanical unit includes a motor, a driving wheel, a driven wheel and a drill bit. The output end of the motor is penetrated by a flange, and the lower end of the flange is fixedly connected to the mounting plate by a screw. The top of the motor is fixedly mounted on the lower end of the top plate, the driving wheel is mounted on the output end of the motor, and the shaft of the driven wheel is movably mounted on the lower end of the mounting plate. The output end of the motor is connected to the driving wheel and the lower end of the driving wheel is connected to the drill bit. The driving wheel is meshed with the driven wheel, and a cover is installed at the lower end of the mounting plate. A drill bit is also installed at the lower end of the driven wheel. The cover is provided with a slot for passing the drill bit, and the sensor module is arranged on the cover.

[0017] As a further optimization of the present technical solution, the sensor module includes at least one ultrasonic sensor or electromagnetic sensor.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention discloses an automatic detection device for measuring the thickness of a steel bar protective layer. When in use, the data processing unit adopts a signal processing algorithm, a pattern recognition algorithm and an optimization algorithm. The data processing unit is used to analyze the signal received by the sensor module and calculate the thickness of the steel bar protective layer; the control unit is used to control the operation of the sensor module and the data processing unit. The control unit can automatically adjust the working parameters of the sensor according to environmental conditions to adapt to different detection environments. The display unit is used to display the measurement results. The display unit can display the measurement results in real time and provide data storage and transmission functions. The mechanical unit is set for supplementary detection and is used when the sensor module is insensitive or faulty. The automatic detection device for measuring the thickness of a steel bar protective layer of the present invention can improve measurement efficiency and accuracy and reduce errors in manual measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 It is a structural schematic diagram of another perspective of the present invention;

[0022] Figure 3 is a schematic diagram of a mechanical unit of the present invention;

[0023] Figure 4 Schematic diagram of signal transmission of the present invention.

[0024] In the figure: 11, machine base; 12, operating table; 13, column; 14, touch screen; 15, drill bit; 16, storage box; 17, driving wheel; 18, motor; 19, cover; 20, top plate; 21, support plate; 22, hydraulic cylinder; 23, flange; 24, mounting plate. DETAILED DESCRIPTION

[0025] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0026] Embodiment 1:

[0027] See also Figures 1 to 4The present embodiment provides a technical solution: an automatic detection device for a steel bar protective layer thickness measuring instrument, comprising: a machine base 11, the machine base 11 is supported at the bottom; an operating table 12 connected to the upper end of the machine base 11, the operating table 12 is used for performing detection operations at the upper end; a lifting unit connected to the upper end of the operating table 12, the lifting unit is used for lifting and lowering the steel bar plate to be detected; a plurality of groups of columns 13 connected to the upper end of the operating table 12, the upper ends of the columns 13 are connected to a top plate 20; an operating system installed on one side of a group of columns 13, the operating system is used for operating automatic detection; a detection system installed on one side of the lower end of the top plate 20, the detection system is used for automatically detecting the thickness of the steel bar protective layer; a cavity for arranging a storage box 16 is also provided at the upper end of the operating table 12, and a material discharge trough is provided on the upper surface of the operating table 12, and the lower end of the material discharge trough is connected to the cavity.

[0028] More specifically, in this embodiment: the steel plate is placed on the lifting unit on the operating table 12, and the detection system is inspected by operating the operating system. After the automatic inspection is completed, the scraps on the operating table 12 are swept into the discharge chute and enter the storage box 16, and the storage box 16 is pulled out to facilitate the disposal of the waste.

[0029] Embodiment 2:

[0030] Based on the above embodiments:

[0031] See also Figures 1 to 4 The lifting unit in the first embodiment is disclosed as follows. The lifting unit includes:

[0032] The lifting unit includes a hydraulic cylinder 22 and a support plate 21 . The hydraulic cylinder 22 is installed at the lower end of the top plate 20 , and the output end of the hydraulic cylinder 22 is fixedly connected to the support plate 21 through a connecting plate.

[0033] More specifically, in this embodiment: the lifting and lowering of the hydraulic cylinder 22 is operated by the operating system, thereby controlling the lifting and lowering of the support plate 21, the support plate 21 is used to support the steel plate to be tested for testing, the support plate 21 is arranged at the upper end of the operating table 12, the lifting and lowering of the support plate 21 is mainly used to drive the steel plate at the upper end to approach and move away from the detection system, and this setting is used for supplementary detection.

[0034] Embodiment three:

[0035] Based on the above embodiments:

[0036] See also Figures 1 to 4 , the operating system in the first embodiment is disclosed as follows, the operating system includes:

[0037] The operating system includes a data processing unit, a control unit and a display unit, which are connected via signals.

[0038] More specifically, in this embodiment: when in use, the data processing unit uses a signal processing algorithm, a pattern recognition algorithm and an optimization algorithm. The data processing unit is used to analyze the signal received by the sensor module and calculate the thickness of the steel bar protective layer; the control unit is used to control the operation of the sensor module and the data processing unit, and the control unit can automatically adjust the working parameters of the sensor according to environmental conditions to adapt to different detection environments. The display unit is used to display the measurement results. The display unit can display the measurement results in real time and provide data storage and transmission functions.

[0039] Embodiment 4:

[0040] Based on the above embodiments:

[0041] See also Figures 1 to 4 , the detection system in the first embodiment is disclosed as follows, the detection system comprises:

[0042] The mechanical unit and the sensor module include a motor 18, a driving wheel 17, a driven wheel 16 and a drill bit 15. The output end of the motor 18 is penetrated by a flange 23, and the lower end of the flange 23 is fixedly connected to the mounting plate 24 by a screw. The top of the motor 18 is fixedly mounted on the lower end of the top plate 20, the driving wheel 17 is mounted on the output end of the motor 18, and the shaft of the driven wheel 16 is movably mounted on the lower end of the mounting plate 24. The output end of the motor 18 is connected to the driving wheel 17 and the lower end of the driving wheel 17 is connected to the drill bit 15, the driving wheel 17 is meshed with the driven wheel 16, a cover 19 is installed at the lower end of the mounting plate 24, and a drill bit 15 is also installed at the lower end of the driven wheel 16. The cover 19 is provided with a slot for penetrating the drill bit 15, and the sensor module is arranged on the cover 19.

[0043] More specifically, in this embodiment: when in use, the sensor module is used to scan the concrete surface; the signal detected by the sensor module is transmitted to the data processing unit; the data processing unit calculates the thickness of the steel bar protective layer based on the received signal; it is worth noting that in this embodiment: the sensor module includes at least one ultrasonic sensor or electromagnetic sensor, the sensor module is used to transmit and receive signals, and is used to penetrate the concrete surface and detect the position of the steel bars.

[0044] In addition, the mechanical unit is set up for supplementary detection. When the sensor module is insensitive or faulty, the lifting unit cooperates with the mechanical unit to complete the detection, which is mainly achieved through the following operations: the support plate 21 is used to support the steel plate to be detected, and the hydraulic cylinder 22 makes it rise close to the mechanical unit. At the same time, the motor 18 outputs the active wheel 17 and the driven wheel to drive the drill bit 15 at the lower end to drill the steel plate. After the hole is drilled to the position of the steel bar, the depth from the surface of the hole to the position of the steel bar is manually measured to read the thickness of the steel bar protective layer.

[0045] The following is a specific implementation of the steel bar protective layer thickness automatic detection equipment:

[0046] During specific use, the sensor module of the device includes multiple ultrasonic sensors evenly distributed on the surface of the cover 19 to detect the thickness of the steel bar protective layer below; the data processing unit adopts advanced signal processing algorithms, such as fast Fourier transform (FFT) and adaptive filtering algorithms, to improve the signal-to-noise ratio of the signal; the control unit adopts a microcontroller or a similar computing device, which can receive sensor signals in real time and control the operation of the device; the display unit adopts a high-resolution touch screen 14, and the user can intuitively view the measurement results and set the device.

[0047] It is worth noting that in the above embodiment: in the automatic detection device for the thickness of the steel bar protective layer, the sensor module, the data processing unit, the control unit and the display unit are core components, and the more specific functions and connection methods are as follows:

[0048] Sensor module: The sensor module consists of multiple sensors, such as ultrasonic sensors or electromagnetic sensors, which are used to transmit and receive signals. The output signal of the sensor module is transmitted to the data processing unit via cables or wirelessly.

[0049] Data processing unit: The data processing unit receives signals from the sensor module and performs signal processing and data analysis. It contains one or more microprocessors or digital signal processors (DSPs) for executing algorithms and calculations. The data processing unit sends the processed data to the control unit and display unit.

[0050] Control unit: The control unit is responsible for coordinating and managing the operation of the entire device, including the activation of the sensor module, the start and stop of data acquisition, the sending of instructions to the data processing unit, etc. The control unit usually contains a central processing unit (CPU) or a microcontroller, which controls the operation of other components based on user input or preset programs. The control unit receives user input from the display unit and sends instructions to the sensor module and the data processing unit.

[0051] Display unit: The display unit is used to show the measurement results and equipment status to the user. The user can use the display unit to set up the equipment, view real-time data and historical records, and perform fault diagnosis. The display unit receives information from the control unit and feeds it back to the control unit based on the user's interaction.

[0052] Connection method: The connection between components can be physical, such as through cables, connectors, or printed circuit boards (PCBs). It can also be wireless, such as through Bluetooth, Wi-Fi, or other wireless communication protocols.

[0053] Data flow: Data flow starts from the sensor module and is transmitted to the data processing unit through a data line or wirelessly. After the data processing unit processes the data, it sends the results to the control unit and the display unit; the control unit adjusts the working state of the sensor module according to the results of the data processing unit and the user input.

[0054] Power management: All components require power to operate. The power management unit is responsible for allocating and managing power to ensure stable operation of the device.

[0055] Software and firmware: The control unit and data processing unit contain embedded software or firmware to implement specific functions and algorithms for automatic detection of steel cover thickness. The algorithms included are as follows: signal processing algorithm, echolocation algorithm, machine learning algorithm, statistical analysis algorithm, pattern recognition algorithm, adaptive algorithm, optimization algorithm, fusion algorithm, which can improve measurement accuracy.

[0056] Working principle: This is an automatic detection device for measuring the thickness of the steel bar protective layer. The device transmits and receives signals through the sensor module. The data processing unit analyzes the signal and calculates the thickness of the steel bar protective layer. The control unit controls the operation of the device, and the display unit displays the measurement results. The mechanical unit is set up for supplementary detection. When the sensor module is insensitive or faulty, the lifting unit cooperates with the mechanical unit to complete the detection. It is mainly achieved through the following operations: the support plate 21 is used to support the steel bar plate to be detected, and the hydraulic cylinder 22 makes it rise close to the mechanical unit. At the same time, the output of the motor 18 causes the driving wheel 17 and the driven wheel to drive the drill bit 15 at the lower end to drill the steel bar plate. After drilling to the position of the steel bar, the depth from the surface of the hole to the position of the steel bar is manually measured to read the thickness of the steel bar protective layer. The device of the present invention can automatically, efficiently and accurately measure the thickness of the steel bar protective layer, and is suitable for the detection of various concrete structures.

[0057] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic detection device for measuring the thickness of a steel bar protective layer, characterized in that: include: A machine base (11), wherein the machine base (11) is supported at the bottom; An operating table (12) connected to the upper end of the machine base (11), wherein the operating table (12) is used to perform detection operations at the upper end; A lifting unit connected to the upper end of the operating table (12), the lifting unit being used to perform a lifting operation on the steel bar plate to be inspected; A plurality of groups of columns (13) connected to the upper end of the operating table (12), wherein the upper ends of the columns (13) are connected to a top plate (20); An operating system installed on one side of a group of the uprights (13), the operating system being used to operate automatic detection; A detection system is installed on one side of the lower end of the top plate (20), and the detection system is used to automatically detect the thickness of the steel bar protective layer.

2. The automatic detection device for measuring the thickness of the steel bar protective layer according to claim 1 is characterized in that: The upper end of the operating table (12) is also provided with a cavity for arranging a storage box (16); the upper surface of the operating table (12) is provided with a material discharge trough, and the lower end of the material discharge trough is in communication with the cavity.

3. The automatic detection device for measuring the thickness of the steel bar protective layer according to claim 2 is characterized in that: The lifting unit comprises a hydraulic cylinder (22) and a support plate (21); the hydraulic cylinder (22) is mounted on the lower end of the top plate (20); and the output end of the hydraulic cylinder (22) is fixedly connected to the support plate (21) via a connecting plate.

4. The automatic detection device for measuring the thickness of the steel bar protective layer according to claim 3 is characterized in that: The operating system includes a data processing unit, a control unit and a display unit, which are connected via signals.

5. The automatic detection device for measuring the thickness of the steel bar protective layer according to claim 4 is characterized in that: The data processing unit adopts a signal processing algorithm, a pattern recognition algorithm and an optimization algorithm.

6. The automatic detection device for measuring the thickness of the steel bar protective layer according to claim 5 is characterized in that: The detection system comprises a mechanical unit and a sensor module. The mechanical unit comprises a motor (18), a driving wheel (17), a driven wheel (16) and a drill bit (15). The output end of the motor (18) is penetrated by a flange (23). The lower end of the flange (23) is fixedly connected to a mounting plate (24) via a screw. The top of the motor (18) is fixedly mounted on the lower end of the top plate (20). The driving wheel (17) is mounted on the output end of the motor (18). The driven wheel (16) The shaft is movably mounted on the lower end of the mounting plate (24); the output end of the motor (18) is connected to the driving wheel (17) and the lower end of the driving wheel (17) is connected to the drill bit (15); the driving wheel (17) is meshed with the driven wheel (16); a cover (19) is mounted on the lower end of the mounting plate (24); a drill bit (15) is also mounted on the lower end of the driven wheel (16); a slot for penetrating the drill bit (15) is provided on the cover (19); and the sensor module is arranged on the cover (19).

7. The automatic detection device for measuring the thickness of the steel bar protective layer according to claim 6 is characterized in that: The sensor module includes at least one ultrasonic sensor or electromagnetic sensor.

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