CN217060051U - Integrated underwater detection probe based on alternating current electromagnetic field - Google Patents
Integrated underwater detection probe based on alternating current electromagnetic field Download PDFInfo
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- CN217060051U CN217060051U CN202220784524.4U CN202220784524U CN217060051U CN 217060051 U CN217060051 U CN 217060051U CN 202220784524 U CN202220784524 U CN 202220784524U CN 217060051 U CN217060051 U CN 217060051U
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- probe
- detection probe
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- guide shaft
- flange plate
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Abstract
The invention provides an integrated underwater detection probe based on an alternating current electromagnetic field, which comprises a detection probe, a compression spring, a guide shaft, a linear bearing and a flange plate. The detection probe and the guide shaft are fixed into a whole and are fixed by the probe gland and the fixing screws, the linear bearing is arranged on the flange plate and is matched with the guide shaft, the compression spring is arranged in the annular groove of the linear bearing and is pressed on the probe shell at the same time, the detection probe is ensured to be tightly attached to a detection workpiece in the detection process, the guide shaft is matched with the flange plate through a cylindrical pin, and the flange plate is matched with the underwater robot through the mounting screws to form an integrated structure of the underwater robot and the underwater detection probe.
Description
Technical Field
The invention relates to the field of detection probes, in particular to an integrated underwater detection probe based on an alternating current electromagnetic field.
Background
An Alternating Current Field Measurement (Alternating Current Field Measurement) technology is a novel electromagnetic Field nondestructive testing technology, uniform Alternating Current is induced on the surface of a workpiece through an exciting coil in a detection probe, the Current causes space magnetic Field distortion when the Current meets a defect, a detection module in the probe acquires electromagnetic Field information distorted above the workpiece and performs further signal conditioning analysis, so that size information capable of reflecting geometrical shape characteristics of the defect can be obtained, and quantitative analysis of the defect is realized. The technology can detect surface cracks, fractures and other defects in the conductive material, saves the process of large-area pre-cleaning of the area to be detected, and does not need to remove the protective paint layer on the surface of the workpiece in advance.
As a large amount of welding operation is needed for underwater structures of marine equipment such as submarine pipelines and ocean platforms, cracks, corrosion and other defects are easy to occur in welding seams and heat affected zones, when the detection operation is carried out by using an alternating current electromagnetic field technology, a detection probe is often carried on an underwater robot, and a control command is input to the robot through a control center, so that the detection probe carried by a front end mechanical arm is scanned along an area to be detected. In the process, the influence of water flow and a probe clamp exists, and the underwater robot has certain error on the control precision of the probe, so that the detection effect cannot be expected. The invention provides an integrated underwater detection probe based on an alternating current electromagnetic field detection technology, which is matched with an underwater robot, can realize the integration of the robot and the probe, and improves the control precision of the probe and the detection capability of a system.
Disclosure of Invention
The invention aims to design an integrated underwater detection probe matched with a robot by utilizing an alternating current electromagnetic field detection technology aiming at the defects of the prior art, so that the underwater welding seam is detected by integrating the underwater robot and the detection probe.
The embodiment of the application provides an integrated underwater detection probe based on an alternating current electromagnetic field. The integrated underwater detection probe comprises a detection probe body, a compression spring, a guide shaft, a linear bearing and a flange plate, wherein the detection probe body comprises a probe shell, an excitation magnetic core, a magnetic field sensor, a signal amplifier, a watertight core connector, a probe gland and mounting screws, one end of the guide shaft is fixed with the probe gland into a whole through the fixing screws, the other end of the guide shaft is matched with the flange plate through cylindrical pins, the linear bearing is mounted on the flange plate and matched with the guide shaft, the compression spring is mounted in an annular groove of the linear bearing and simultaneously pressed on a probe shell, a detection workpiece is guaranteed to be attached to the detection probe body in the detection process, the flange plate is matched with an underwater robot into a whole through the mounting screws, and the angle of the detection probe body can be changed by rotating the flange plate.
The utility model discloses a probe, including probe casing, excitation magnetic core, signal amplifier, watertight core connector, signal line, signal amplifier, magnetic field sensor, magnetic core, excitation magnetic core, signal amplifier, watertight core connector, the transmission signal is convenient for be connected with the signal line and transmits detection signal.
The detection probe is hermetically installed through the probe gland, the guide shaft and the detection probe are fixed into a whole through the fixing screw at the inner side of the gland, and after waterproof and pressure-resistant treatment is carried out inside the detection probe, sealing is carried out through the installation threaded hole in the probe gland. Therefore, the detection probe, the compression spring, the guide shaft, the linear bearing and the flange plate are connected into a whole and matched with the underwater robot through the flange plate to form an integrated structure of the underwater robot and the underwater detection probe.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the beneficial technical effects that:
(1) the detection method is simple, a coupling agent is not needed, and the integrated measurement of the underwater robot and the underwater detection probe can be realized;
(2) the structure is simple, and the influence of clamp lifting and water flow disturbance is reduced;
(3) the manpower is saved, and the automatic detection of the robot is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is an overall structure diagram of an integrated underwater detection probe in the embodiment of the present application
FIG. 2 is a schematic diagram of the overall explosion structure of the integrated underwater detection probe in the embodiment of the present application
FIG. 3 is a schematic diagram of an explosion structure of a detection probe in the embodiment of the present application
FIG. 4 is an exploded view of the guide shaft according to the embodiment of the present application
FIG. 5 is a schematic structural diagram of a probe shell in the embodiment of the present application
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The embodiment of the application provides an integrated underwater detection probe based on an alternating current electromagnetic field. Referring to fig. 1 and 2, the integrated underwater detection probe comprises a detection probe 10, a compression spring 20, a guide shaft 30, a linear bearing 40 and a flange plate 50; referring to fig. 3, the detecting probe 10 includes a probe housing 101, a probe cover 102, a magnetic field sensor 103, an exciting magnetic core 104, a signal amplifier 105, a watertight core connector 106, and a mounting screw 107; referring to fig. 4, the guide shaft 30 includes a fixing screw 301, a guide optical axis 302 and a cylindrical pin 303, the fixing screw 301 is located in the detection probe 10, and the probe gland 102 and the guide optical axis 302 are connected into a whole through a thread; compression spring 20 installs in guiding axle 30 one end and laminating test probe 10, install linear bearing 40 and ring flange 50 in guiding axle 30 upper end, annular groove carries out the pretension with compression spring 20 cooperation in the linear bearing 40, guarantee that test probe 10 hugs closely the detection work piece in the testing process, thereby reduce and carry from the height, ring flange 50 is connected with linear bearing 40 through the construction screw, and cooperate with guiding axle 30 through cylindric lock 303, ring flange 50 is connected with underwater robot, the accessible rotates ring flange 50 and changes test probe 10 angle.
Referring to fig. 5, the probe housing 101 includes a housing body 1011, an excitation recess 1012, a probe detection recess 1013 and a circular mounting hole 1014, the magnetic field sensor 103 is located in the probe detection recess 1013, the excitation core 104 is located in the excitation recess 1012 and is disposed right above the magnetic field sensor 103, the signal amplifier 105 is mounted in a space above the excitation core 104, and the watertight core connector 106 is mounted on one side of the probe housing 101 through the circular mounting hole 1014 in an interference fit manner, so as to be connected with a signal line for transmitting a detection signal.
The detection probe 10 is hermetically installed through a probe gland 102, the guide shaft 30 and the detection probe 10 are fixed into a whole through a fixing screw 301 on the inner side of the probe gland 102, after waterproof and pressure-resistant treatment is carried out inside the detection probe 10, the compression spring 20, the guide shaft 30, the linear bearing 40 and the flange plate 50 are connected into a whole through a mounting screw hole on the probe gland 102 and sealed through a mounting screw 107, and the detection probe is matched with an underwater robot through the flange plate 50 to form an integrated structure of the underwater robot and the underwater detection probe.
Claims (3)
1. An integrated underwater detection probe based on an alternating current electromagnetic field is characterized by comprising a detection probe, a compression spring, a guide shaft, a linear bearing and a flange plate;
the detection probe is fixed on the guide shaft, and the fitting force is changed through the linear bearing and the compression spring; the detection device comprises a guide shaft, a detection probe, a linear bearing, a compression spring, a flange plate and a fixing screw, wherein one end of the guide shaft is fixed with the detection probe into a whole through the fixing screw, the other end of the guide shaft is matched with the flange plate through a cylindrical pin, the linear bearing is installed on the flange plate and is matched with the guide shaft, the compression spring is installed in an annular groove of the linear bearing and is pressed on a probe shell at the same time, the detection probe is enabled to be tightly attached to a detection workpiece in the detection process, the flange plate is matched with an underwater robot into a whole through the mounting screw, and the angle of the detection probe is changed through rotating the flange plate.
2. The integrated underwater detection probe based on the alternating current electromagnetic field is characterized by comprising a probe shell, an excitation magnetic core, a magnetic field sensor, a signal amplifier, a watertight core connector, a probe gland and a mounting screw, wherein the probe shell is provided with a magnetic core;
the utility model discloses a probe, including probe casing, excitation magnetic core, signal amplifier, watertight core connector, signal line, signal amplifier, magnetic field sensor, magnetic core, excitation magnetic core, signal amplifier, watertight core connector, the transmission signal is convenient for be connected with the signal line and transmits detection signal.
3. The integrated underwater detection probe based on the alternating current electromagnetic field as claimed in claim 1, wherein the detection probe is hermetically mounted through a probe gland, the guide shaft and the detection probe are fixed into a whole through a fixing screw at the inner side of the gland, and after waterproof and pressure-resistant treatment is performed inside the detection probe, the detection probe is sealed through a mounting threaded hole in the probe gland, so that the detection probe, the compression spring, the guide shaft, the linear bearing and a flange plate are connected into a whole, and the detection probe is matched with an underwater robot through the flange plate to form an integrated structure of the underwater robot and the underwater detection probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220784524.4U CN217060051U (en) | 2022-04-07 | 2022-04-07 | Integrated underwater detection probe based on alternating current electromagnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220784524.4U CN217060051U (en) | 2022-04-07 | 2022-04-07 | Integrated underwater detection probe based on alternating current electromagnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217060051U true CN217060051U (en) | 2022-07-26 |
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ID=82468042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220784524.4U Expired - Fee Related CN217060051U (en) | 2022-04-07 | 2022-04-07 | Integrated underwater detection probe based on alternating current electromagnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217060051U (en) |
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2022
- 2022-04-07 CN CN202220784524.4U patent/CN217060051U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220726 |