Multi-parameter integrated online corrosion sensing device

By designing a multi-parameter integrated online corrosion sensing device and utilizing the 90-degree bending mechanism of the adjustment frame and the main support frame, the problem of needing to open holes for detecting the bending section of U-shaped pipes was solved, achieving simple and accurate corrosion detection and ensuring pipeline integrity.

CN121633245APending Publication Date: 2026-03-10HAIZHAN (TIANJIN) TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-26
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

Existing corrosion detection devices require pre-treatment by drilling holes when inspecting the inner wall of the curved section of a U-shaped pipe, which increases the complexity of the inspection process and damages the structural integrity of the pipe.

Method used

A multi-parameter integrated online corrosion sensing device was designed. By adjusting the frame and the main frame with a 90-degree bending mechanism, the main body of the device can be inserted into the curved section of the U-shaped pipe without opening. The device is securely attached by using structures such as fixing rings, levers and limiting ears. It is combined with an inductive corrosion rate sensor, a temperature sensor and a pH sensor for multi-parameter synchronous monitoring.

Benefits of technology

It enables simple corrosion detection without drilling, ensuring the integrity of the pipeline structure, and improves the accuracy and stability of the detection through multi-parameter monitoring.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the field of corrosion detection, in particular to a multi-parameter integrated online corrosion sensing device which comprises a device body, an adjusting frame is fixedly mounted on the lower portion of the device body, a main carrying frame is rotatably mounted at the end of the adjusting frame, and a fixing ring is fixedly mounted at the front end of the main carrying frame. A wire hole is formed in the outer surface of the fixing ring in a penetrating mode, an auxiliary carrying frame is slidably installed on one side of the main carrying frame, a first groove frame extends from the rear edge of the upper end of the auxiliary carrying frame, a control frame is rotatably installed in the first groove frame and connected with an adjusting frame, and a limiting lug extends from the rear portion of the upper end of the main carrying frame. The limiting lugs abut against the first groove frame, a shifting column is elastically installed in the auxiliary carrying frame, and the two ends of the shifting column penetrate out of the front end and the rear end of the auxiliary carrying frame. According to the device, corrosion detection is facilitated, the completeness of the pipeline is ensured, and meanwhile, the stability of the device main body during detection is also ensured.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of corrosion detection, in particular to a multi-parameter integrated online corrosion sensing device. BACKGROUND

[0002] Pipeline corrosion is a phenomenon that the pipe wall material is gradually damaged, thinned or even perforated due to chemical, electrochemical or physical action with the surrounding environment, which directly affects the conveying capacity and service life of the pipeline. In order to understand the state of pipeline corrosion, intelligent sensors such as corrosion detection devices need to be installed on the inner wall of the pipeline for detection.

[0003] However, the existing corrosion detection device has the operation limitation that the pipeline needs to be pre-processed by opening a hole before detecting the inner wall of the curved section of some U-shaped pipeline. The corrosion detection device needs to be implanted in the inner wall of the curved section through the pre-set opening, which not only increases the complexity of the detection process, but also causes irreversible damage to the structural integrity of the pipeline. SUMMARY

[0004] The purpose of the present application is to solve the shortcomings in the background art, and a multi-parameter integrated online corrosion sensing device is proposed.

[0005] To achieve the above purpose, the technical scheme adopted by the present application is as follows: a multi-parameter integrated online corrosion sensing device, comprising a device main body, a adjusting frame is fixedly installed at the lower part of the device main body, a main carrier is rotatably installed at the end of the adjusting frame, a fixing ring is fixedly installed at the front end of the main carrier, a wire hole is formed through the outer surface of the fixing ring, a vice carrier is slidably installed on one side of the main carrier, a No. 1 slot frame extends from the upper end rear edge of the vice carrier, a control frame is rotatably installed in the inside of the No. 1 slot frame, the control frame is connected with the adjusting frame, a limiting lug extends from the upper end rear part of the main carrier, the limiting lug is on the No. 1 slot frame, a push column is elastically installed in the inside of the vice carrier, the push column penetrates out from the front and rear ends of the vice carrier, a reinforcing piece is arranged between the rear end of the push column and the vice carrier, and a limiting piece is arranged on the main carrier.

[0006] Preferably, a No. 2 slot frame extends from the upper end of the adjusting frame, the end of the control frame is rotatably installed in the inside of the No. 2 slot frame, a T-shaped guide groove is formed in one side of the main carrier, a T-shaped sliding bar is slidably installed in the inside of the T-shaped guide groove, and the side surface of the T-shaped sliding bar is fixed with the vice carrier.

[0007] Preferably, a push frame is fixedly installed at the front end of the push column, a concave push block is fixedly installed at the front end of the push frame, the concave push block is slidably installed on the front part of the outer surface of the main carrier, a fixed column is slidably installed through the upper end of the concave push block, the fixed column penetrates the upper end of the main carrier, and the fixed column and the main carrier are fixed by magnetism.

[0008] Preferably, a fixing hole is provided at the upper front of the main frame, the lower part of the fixing column is inserted into the inside of the fixing hole, a magnet is fixedly installed on the bottom surface of the inside of the fixing hole, the magnet is attracted to the fixing column, and a column handle is fixedly installed at the upper end of the fixing column.

[0009] Preferably, the limiting member includes a positioning frame fixedly installed in the middle of the upper and lower end faces of the main frame, and a reinforcing ear extends from the middle of the other side of the main frame. The end face of the positioning frame and the end face of the reinforcing ear are both arc-shaped.

[0010] Preferably, the reinforcing component includes a bending frame fixedly installed at the rear end of the shift post, a guide shell fixedly installed on the front side of the sub-frame, a reinforcing frame slidably installed inside the guide shell, the reinforcing frame extending through the end of the guide shell, the end face of the reinforcing frame being arc-shaped, and a reinforcing top frame connecting the reinforcing frame and the bending frame.

[0011] Preferably, a first protruding claw extends from the rear edge of the reinforcing frame, the first protruding claw extends through the rear end of the guide shell, one end of the reinforcing top frame is rotatably connected to the end of the first protruding claw, a second protruding claw extends from the front edge of the side of the bending frame, and the other end of the reinforcing top frame is rotatably connected to the end of the second protruding claw.

[0012] Preferably, the sub-frame has a first bearing cavity inside, and a convex cap is coaxially fixedly installed on the outer surface of the shift post. The convex cap is slidably installed inside the first bearing cavity. A push spring is fixedly installed at the front end of the first bearing cavity. The rear end of the push spring is fixed to the convex cap. The shift post passes through the inside of the push spring. The push spring is in a contracted state. The sub-frame has a second bearing cavity in front of the first bearing cavity. A top cap is coaxially fixedly installed on the outer surface of the shift post. The top cap is slidably installed inside the second bearing cavity.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. Insert the main body of the device and the main carrier frame into the opening of the U-shaped pipe. When the main body of the device is close to the bend of the U-shaped pipe, pull the concave block towards the opening of the U-shaped pipe to allow the auxiliary carrier frame and the pusher to move forward synchronously. At this time, the moving auxiliary carrier frame will drive the control frame to move, which in turn drives the adjusting frame to rotate around the end of the main carrier frame, changing the adjusting frame and the main carrier frame from a straight state to a 90-degree bend. Under the bending action, the main body of the device can be inserted into the inside of the bend of the U-shaped pipe. At this time, the limiting lug rests on the No. 1 slot frame, preventing the auxiliary carrier frame from moving forward further, thus keeping the adjusting frame and the main carrier frame at a 90-degree angle. The device is positioned at a bend, and then the retaining ring is pushed toward the opening of the U-shaped pipe, allowing the retaining ring to adhere tightly to the opening of the U-shaped pipe. During this process, the main body of the device moves synchronously with the retaining ring, allowing the main body of the device to adhere tightly to the inner wall of the bend section of the U-shaped pipe. Then, the U-shaped pipe can be connected to other pipes using bolts. At this time, the retaining ring is clamped and fixed between the U-shaped pipe and other pipes, thus keeping the main body of the device in a state of adhering tightly to the inner wall of the bend section of the U-shaped pipe for corrosion detection. The process does not require additional drilling, is simple to operate, effectively facilitates corrosion detection, and ensures the integrity of the pipeline.

[0015] 2. After the fixing ring is pressed against the opening of the U-shaped pipe, the concave block can be pulled further. At this time, the secondary carrier frame remains stationary due to the restraint ear, while the push pin continues to move forward. The continued forward movement of the push pin will drive the bending carrier frame to move, so that the reinforcing frame inside the guide shell extends through the reinforcing top frame and presses against the inner wall of the U-shaped pipe. This allows the positioning frame and the reinforcing ear to press against the inner wall of the U-shaped pipe. At this time, the fixing pin falls into the fixing hole and is attracted by the magnet to lock the concave block, thereby locking the moved reinforcing frame, positioning frame, and reinforcing ear. Under the action of the reinforcing frame, positioning frame, and reinforcing ear, the main carrier frame is reinforced from the middle of the main carrier frame, thereby increasing the fixing force on the main carrier frame and ensuring the stability of the main body of the device during testing. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main body of a multi-parameter integrated online corrosion sensing device according to the present invention;

[0017] Figure 2 This is a schematic diagram of the overall structure of a multi-parameter integrated online corrosion sensing device according to the present invention;

[0018] Figure 3 This is a schematic diagram of the bending frame of a multi-parameter integrated online corrosion sensing device according to the present invention;

[0019] Figure 4 This is a schematic diagram of the sub-carrier of a multi-parameter integrated online corrosion sensing device according to the present invention;

[0020] Figure 5This is a schematic diagram of the adjustment frame of a multi-parameter integrated online corrosion sensing device according to the present invention;

[0021] Figure 6 This is a cross-sectional view of the concave block of a multi-parameter integrated online corrosion sensing device according to the present invention;

[0022] Figure 7 This is an internal view of the sub-carrier of a multi-parameter integrated online corrosion sensing device according to the present invention;

[0023] Figure 8 This is a view showing the use of a multi-parameter integrated online corrosion sensing device according to the present invention;

[0024] Figure 9 This is an internal view of a U-shaped pipe of a multi-parameter integrated online corrosion sensing device according to the present invention.

[0025] Figure 10 This invention relates to a multi-parameter integrated online corrosion sensing device. Figure 9 A magnified view of A in the middle.

[0026] In the diagram: 1. Main body of the device; 2. Adjustment frame; 3. Main carrier frame; 4. Concave block; 5. Pulley frame; 6. Pulley column; 7. Guide shell; 8. Reinforcing frame; 9. Secondary carrier frame; 10. No. 1 slot frame; 11. Positioning frame; 12. Reinforcing ear; 13. Fixing ring; 14. No. 1 bearing cavity; 15. Convex cap; 16. Push spring; 17. No. 2 bearing cavity; 18. Top cap; 19. Fixing hole; 20. Magnet; 21. Fixing column; 22. Column handle; 23. No. 1 convex claw; 24. Reinforcing top frame; 25. No. 2 convex claw; 26. Bending carrier frame; 27. T-shaped slide bar; 28. No. 2 slot frame; 29. ​​Control frame; 30. Limiting ear; 31. T-shaped guide groove; 32. U-shaped pipe; 33. Wire hole. Detailed Implementation

[0027] The following description is intended to disclose the invention and enable those skilled in the art to implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0028] like Figures 1-10 The multi-parameter integrated online corrosion sensing device shown includes a main body 1, within which a corrosion monitoring and sensing unit is located. This corrosion monitoring and sensing unit is connected to an external data acquisition and transmission unit via a connecting device, and works in conjunction with an integrated computer processing unit to achieve intelligent assessment. The system is detailed below:

[0029] (a) Corrosion monitoring and sensing unit

[0030] This unit integrates an inductive corrosion rate sensor, a temperature sensor, and a pH sensor, enabling simultaneous monitoring of multiple parameters, including corrosion rate, temperature, and pH.

[0031] The inductive corrosion rate sensor uses the principle of electromagnetic induction to calculate the corrosion rate by measuring the change in inductance signal caused by the loss of metal electrodes. The measurement accuracy is ±1.5% and the resolution is 0.001 mm / a.

[0032] The temperature sensor is a thin-film platinum resistance thermometer (Pt100), directly deposited on the surface of the metal electrode of the sensing unit. It has a temperature measurement range of -40℃ to 200℃, a response time of 0.8s, and an accuracy of ±0.5℃. Furthermore, the temperature sensor's measurements compensate for the temperature drift of the output signal of the inductive corrosion rate sensor. The compensation algorithm meets specific requirements, where is a nonlinear correction function based on the Boltzmann distribution. The temperature sensitivity coefficient matrix was obtained through experimental calibration, and the corrected sensor temperature drift error is 0.25%FS / ℃.

[0033] The pH sensor is a solid-state pH electrode with a built-in Ag / AgCl reference electrode, a measurement range of 1~14, and an accuracy of 0.1 pH.

[0034] (ii) Data acquisition and transmission unit

[0035] This unit includes a signal conditioning module that performs 24-bit analog-to-digital conversion (ADC) on inductance signals (AC coupling), temperature signals (platinum resistance bridge signals), and pH values ​​(4-20mA analog signals), with a sampling rate of 120Hz, and transmits the data to the computer processing unit via an RS485 bus.

[0036] (iii) Integrated computer processing unit

[0037] This unit integrates the PC main control module, power module, data conversion module and wiring terminals into the same chassis through a customized motherboard. The modules are connected through the printed circuit board on the motherboard, without external cables.

[0038] The customized motherboard includes a main control module, a power supply module, a data conversion module, and a terminal block. The main control module is an embedded PC that supports Windows / Linux operating systems; the power supply module is a built-in switching power supply (AC220V input, DC24V output) with integrated supercapacitor backup power, supporting 35 minutes of data buffering during power outages; the data conversion module integrates a multi-channel USB to RS485 chip; the terminal block uses spring-loaded anti-loosening terminals, supporting plug-and-play operation of corrosion rate sensor signals and alarm signals.

[0039] The integrated computer processing unit uses a 19-inch rack-mount chassis with an IP54 protection rating and an independent internal heat dissipation channel. The motherboard is laid out in sections for power supply, main control, and communication. The electromagnetic compatibility (EMC) level complies with the GB / T17626 standard.

[0040] (iv) Connecting device

[0041] The connection device includes a double-shielded cable and explosion-proof connectors. The cable impedance is matched to the RS485 bus standard, and the connectors use gold-plated contacts with a contact resistance of 4mΩ, supporting 1200 mating cycles.

[0042] The data processing methods based on the above system include data preprocessing and intelligent assessment of corrosion status.

[0043] (a) Data preprocessing

[0044] Kalman filtering was applied to the corrosion rate signal, and outliers were removed from the temperature and pH signal data using the 3σ criterion.

[0045] (II) Intelligent assessment of corrosion status

[0046] By constructing a fuzzy comprehensive evaluation model, the parameters are mapped to a three-level state of "safety-early warning-alarm", and the threshold is set according to industry standards.

[0047] The input variables of the fuzzy comprehensive evaluation model include the normalized values ​​of corrosion rate, temperature, and flow rate. The membership function adopts a trapezoidal distribution. The weights of each parameter are determined by the analytic hierarchy process (AHP), and the weight vector satisfies the following conditions.

[0048] Implementation process: First, install corrosion monitoring and sensing units (device body 1) at key locations on the pipeline to ensure accurate contact between the sensors and the pipeline surface and surrounding medium. Connect the corrosion monitoring and sensing units to the data acquisition and transmission unit via a connecting device to ensure stable signal transmission.

[0049] The data acquisition and transmission unit processes the acquired multi-parameter signals and transmits them to the integrated computer processing unit via an RS485 bus. The integrated computer processing unit preprocesses the received data, removing outliers and performing filtering operations, and then uses a fuzzy comprehensive evaluation model to intelligently assess the corrosion status.

[0050] During system operation, each unit is regularly inspected and maintained to ensure the system's normal operation. Simultaneously, based on the assessment results, appropriate measures are taken promptly to ensure the safe operation of the pipeline.

[0051] The system has multi-dimensional monitoring capabilities: it can simultaneously acquire corrosion rate, temperature, and pH parameters, which solves the one-sidedness of traditional single-parameter monitoring and improves the accuracy of corrosion mechanism analysis.

[0052] Improved system reliability: The computer processing unit adopts a motherboard integrated design, eliminating the external connections between the power module, data conversion module, wiring terminals and PC. According to statistics, the connection failure rate has been reduced from 15 times / year in the traditional solution to 0.3 times / year, which is well adapted to the vibration environment of industrial sites.

[0053] Intelligent data application: Through data preprocessing and intelligent assessment of corrosion status, noise interference in inductance measurement is eliminated, transient interference points are removed, providing a scientific basis for enterprise maintenance decisions, reducing unnecessary maintenance costs, and improving the safety and economy of pipeline operation.

[0054] Since the above system is existing technology and has been widely used, it is not described in detail here.

[0055] An adjusting frame 2 is fixedly installed at the lower part of the main body 1. A main support frame 3 is rotatably installed at the end of the adjusting frame 2. When the adjusting frame 2 and the main support frame 3 are in a straight line, it ensures that the main body 1 can smoothly enter the U-shaped pipe 32, avoiding the phenomenon that the main body 1 cannot enter due to the mismatch between the adjusting frame 2 and the inner diameter of the U-shaped pipe 32 when the adjusting frame 2 and the main support frame 3 are bent. When the adjusting frame 2 and the main support frame 3 change from a straight line to a 90-degree bend, it allows the main body 1 to extend into the inside of the bent section of the U-shaped pipe 32 under the bending action. The main support frame 3 serves to support the main body 1. A fixing ring 13 is fixedly installed at the front end of the main support frame 3. A wire hole 33 is opened through the outer surface of the fixing ring 13. When the main body 1 is connected to an external data acquisition and transmission unit via a cable, the cable can pass through the wire hole 33 on the fixing ring 13 to ensure a smooth connection. At the same time, the gap between the cable and the wire hole 33 can be sealed by existing sealing methods such as sealant. A protective tube can be installed on the outside of the cable for protection. Since this type of operation is existing technology and has been widely used, it is not described in detail here. A secondary carrier 9 is slidably installed on one side of the main carrier 3. A first slot 10 extends from the upper rear edge of the secondary carrier 9. A control frame 29 is rotatably installed inside the first slot 10. The first slot 10 facilitates the connection of the control frame 29. The control frame 29 is connected to the adjustment frame 2. The moving secondary carrier 9 drives the control frame 29 to move, thereby driving the adjustment frame 2 to rotate around the end of the main carrier 3. The movement causes the adjustment frame 2 and the main carrier frame 3 to change from a straight state to a 90-degree bend. The upper rear part of the main carrier frame 3 extends a limiting ear 30, which rests on the first slot frame 10, preventing the auxiliary carrier frame 9 from moving forward. This keeps the adjustment frame 2 and the main carrier frame 3 in a 90-degree bend. The auxiliary carrier frame 9 has a flexible mounting post 6 inside, with both ends of the post 6 extending from the front and rear ends of the auxiliary carrier frame 9. A reinforcing member is provided between the rear end of the post 6 and the auxiliary carrier frame 9. The main carrier frame 3 is equipped with a limiting member.

[0056] The upper end of the adjustment frame 2 extends to a second slot frame 28. The end of the control frame 29 is rotatably installed inside the second slot frame 28. The second slot frame 28 serves to facilitate the connection of the control frame 29. A T-shaped guide groove 31 is provided on one side of the main carrier frame 3. A T-shaped slide bar 27 is slidably installed inside the T-shaped guide groove 31. The side of the T-shaped slide bar 27 is fixed to the auxiliary carrier frame 9. The T-shaped slide bar 27 and the T-shaped guide groove 31 serve to guide the auxiliary carrier frame 9.

[0057] A lever 5 is fixedly installed at the front end of the lever 6, and a concave lever 4 is fixedly installed at the front end of the lever 5. The lever 5 serves to support the concave lever 4. The concave lever 4 is slidably installed on the front surface of the main frame 3. A fixing post 21 is slidably installed through the upper end of the concave lever 4. The fixing post 21 passes through the upper end of the main frame 3 and is fixed to the main frame 3 by magnetism. The fixing post 21 can fix the concave lever 4, thereby fixing the lever 6 and the auxiliary frame 9 after they have moved.

[0058] The upper front part of the main frame 3 is provided with a fixing hole 19. The lower part of the fixing column 21 is inserted into the fixing hole 19. The fixing hole 19 serves to cooperate with the fixing column 21. A magnet 20 is fixedly installed on the bottom surface of the fixing hole 19. The magnet 20 attracts the fixing column 21 and serves to fix the fixing column 21. A column handle 22 is fixedly installed on the upper end of the fixing column 21. The column handle 22 serves to facilitate the gripping of the fixing column 21.

[0059] The limiting component includes a positioning frame 11 fixedly installed in the middle of the upper and lower end faces of the main carrier 3. A reinforcing ear 12 extends from the middle of the other side of the main carrier 3. The end faces of the positioning frame 11 and the reinforcing ear 12 are both arc-shaped, which allows the positioning frame 11 and the reinforcing ear 12 to be fully attached to the inner wall of the U-shaped pipe 32.

[0060] The reinforcement includes a bending frame 26 fixedly installed at the rear end of the derrick 6, a guide shell 7 fixedly installed on the front side of the sub-frame 9, and a reinforcing frame 8 slidably installed inside the guide shell 7. The guide shell 7 guides the reinforcing frame 8. The reinforcing frame 8 extends through the end of the guide shell 7, and its end face is arc-shaped, allowing it to fit snugly against the inner wall of the U-shaped pipe 32. A reinforcement is connected between the reinforcing frame 8 and the bending frame 26. When the sub-carrier 9 remains stationary due to the restraint lug 30, the forward movement of the pusher 6 will cause the bending carrier 26 to move, so that the reinforcing bracket 8 inside the guide shell 7 will extend through the reinforcing top bracket 24 and press against the inner wall of the U-shaped pipe 32. This will allow the positioning bracket 11 and the reinforcing lug 12 to press against the inner wall of the U-shaped pipe 32, so that the main carrier 3 will be reinforced from the middle under the action of the reinforcing bracket 8, the positioning bracket 11, and the reinforcing lug 12.

[0061] A first protruding claw 23 extends from the rear edge of the reinforcing frame 8. The first protruding claw 23 extends through the rear end of the guide shell 7. One end of the reinforcing top frame 24 is rotatably connected to the end of the first protruding claw 23. A second protruding claw 25 extends from the front edge of the side of the bending frame 26. The other end of the reinforcing top frame 24 is rotatably connected to the end of the second protruding claw 25. Both the first protruding claw 23 and the second protruding claw 25 serve to facilitate the connection of the reinforcing top frame 24.

[0062] The sub-frame 9 has a first bearing cavity 14 inside. A convex cap 15 is coaxially fixed to the outer surface of the shift post 6. The convex cap 15 is slidably installed inside the first bearing cavity 14. A push spring 16 is fixedly installed at the front end inside the first bearing cavity 14. The first bearing cavity 14 serves to support the push spring 16. The rear end of the push spring 16 is fixed to the convex cap 15. When the concave shift block 4 is first moved, the push spring 16 will drive the sub-frame 9 and the shift post 6 to move forward synchronously. When the sub-frame 9 is held still by the limiting ear 30, if the concave shift block 4 is moved again, the push spring 16 will deform, allowing the shift post 6 to continue moving forward. The movement is unobstructed. The push pin 6 passes through the inside of the push spring 16, which is in a contracted state. The sub-carrier 9 has a second carrier cavity 17 located in front of the first carrier cavity 14. The top cap 18 is coaxially fixed on the outer surface of the push pin 6 and slides inside the second carrier cavity 17. When the fixing pin 21 falls into the fixing hole 19 and is attracted by the magnet 20 to lock the concave block 4, thereby fixing the push pin 6, the top cap 18 on the push pin 6 will press against the front end of the second carrier cavity 17, preventing the sub-carrier 9 from moving backward. At this time, with the help of the limiting ear 30, the moved sub-carrier 9 can be firmly fixed.

[0063] In use, the main body 1 and the main support frame 3 are inserted into the opening of the U-shaped pipe 32. When the main body 1 is close to the curved section of the U-shaped pipe 32, the concave lever 4 is pulled towards the opening of the U-shaped pipe 32, allowing the auxiliary support frame 9 and the lever 6 to move forward synchronously. At this time, the moving auxiliary support frame 9 will drive the control frame 29 to move, thereby driving the adjustment frame 2 to rotate around the end of the main support frame 3, so that the adjustment frame 2 and the main support frame 3 change from a straight state to a 90-degree bend, allowing the main body 1 to be inserted into the U-shaped pipe 32 under the bending action. Inside the curved section, the limiting ear 30 rests against the first slot frame 10, preventing the auxiliary carrier frame 9 from moving forward further. This keeps the adjusting frame 2 and the main carrier frame 3 in a 90-degree bent state. Then, the fixing ring 13 is pushed towards the opening of the U-shaped pipe 32, allowing it to adhere tightly to the opening. During this process, the main body 1 moves synchronously with the fixing ring 13, pressing it against the inner wall of the curved section of the U-shaped pipe 32. The U-shaped pipe 32 can then be connected to other pipes using bolts. At this point, the fixing ring 13 is... The device is clamped and fixed between the U-shaped pipe 32 and other pipes, thus keeping the main body 1 pressed against the inner wall of the curved section of the U-shaped pipe 32 for corrosion detection. During the above operation, after the fixing ring 13 is pressed against the opening of the U-shaped pipe 32, the concave lever 4 can be pulled further. At this time, the auxiliary carrier 9 remains stationary due to the restraint lug 30, while the lever 6 continues to move forward. The continued forward movement of the lever 6 will drive the bending carrier 26 to move, so as to drive the reinforcing bracket 8 in the guide shell 7 to extend through the reinforcing top bracket 24. The positioning frame 11 and the reinforcing ear 12 are pressed against the inner wall of the U-shaped pipe 32, and the fixing column 21 falls into the fixing hole 19 and is attracted by the magnet 20 to lock the concave block 4, thereby locking the moved reinforcing frame 8, positioning frame 11 and reinforcing ear 12. Under the action of the reinforcing frame 8, positioning frame 11 and reinforcing ear 12, the main carrier frame 3 is reinforced from the middle of the main carrier frame 3, thereby increasing the fixing force on the main carrier frame 3 and ensuring the stability of the main body 1 of the device during the test.

[0064] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention. The scope of protection claimed by the appended claims and their equivalents is defined.

Claims

1. A multi-parameter integrated online corrosion sensing device comprising a device body (1), characterized in that: The lower part of the device body (1) is fixedly installed with an adjusting frame (2), the end of the adjusting frame (2) is rotatably installed with a main carrier (3), the front end of the main carrier (3) is fixedly installed with a fixed ring (13), the outer surface of the fixed ring (13) is penetrated with a wire hole (33), one side of the main carrier (3) is slidably installed with a vice carrier (9), the upper end rear edge of the vice carrier (9) extends a No. 1 slot frame (10), the inside of the No. 1 slot frame (10) is rotatably installed with a control frame (29), the control frame (29) is connected with the adjusting frame (2), the upper end rear part of the main carrier (3) extends a limiting lug (30), the limiting lug (30) is on the No. 1 slot frame (10), the inside of the vice carrier (9) is elastically installed with a dial column (6), the two ends of the dial column (6) penetrate out from the front and rear ends of the vice carrier (9), a reinforcing piece is arranged between the rear end of the dial column (6) and the vice carrier (9), and a limiting piece is arranged on the main carrier (3).

2. A multi-parameter integrated online corrosion awareness device as claimed in claim 1, wherein: The upper end of the adjusting frame (2) extends a No. 2 slot frame (28), the end of the control frame (29) is rotatably installed in the inside of the No. 2 slot frame (28), one side of the main carrier (3) is provided with a T-shaped guide groove (31), and the inside of the T-shaped guide groove (31) is slidably installed with a T-shaped sliding bar (27). The side surface of the T-shaped sliding bar (27) is fixed with the vice carrier (9).

3. A multi-parameter integrated online corrosion awareness device as claimed in claim 1, wherein: The front end of the dial column (6) is fixedly installed with a dial frame (5), the front end of the dial frame (5) is fixedly installed with a concave dial block (4), the concave dial block (4) is slidably installed on the front part of the outer surface of the main carrier (3), the upper end of the concave dial block (4) is penetrated and slidably installed with a fixed column (21), the fixed column (21) penetrates the upper end of the main carrier (3), and the fixed column (21) and the main carrier (3) are fixed through magnetism.

4. A multi-parameter integrated online corrosion awareness device as claimed in claim 3, wherein: The upper end front part of the main carrier (3) is provided with a fixed hole (19), the lower part of the fixed column (21) is inserted into the inside of the fixed hole (19), the inside bottom surface of the fixed hole (19) is fixedly installed with a magnet (20), the magnet (20) is adsorbed with the fixed column (21), and the upper end of the fixed column (21) is fixedly installed with a column handle (22).

5. A multi-parameter integrated online corrosion awareness device as claimed in claim 1, wherein: The limiting piece comprises a positioning frame (11) fixedly installed on the upper and lower end surfaces of the main carrier (3), and a reinforcing lug (12) extending from the middle of the other side of the main carrier (3). The end surface of the positioning frame (11) and the end surface of the reinforcing lug (12) are both arc-shaped.

6. A multi-parameter integrated online corrosion awareness device as claimed in claim 1, wherein: The reinforcing piece comprises a bent carrier (26) fixedly installed on the rear end of the dial column (6), a guide shell (7) fixedly installed on the front part of the side surface of the vice carrier (9), a reinforcing frame (8) slidably installed in the inside of the guide shell (7), the reinforcing frame (8) penetrating out from the end of the guide shell (7), the end surface of the reinforcing frame (8) is arc-shaped, and the reinforcing frame (8) is connected with the bent carrier (26) through a reinforcing top frame (24).

7. A multi-parameter integrated online corrosion awareness device as claimed in claim 6, wherein: The reinforcing frame (8) extends a convex jaw (23) at the rear end edge, the convex jaw (23) penetrates from the rear end of the guide shell (7), one end of the reinforcing top frame (24) is rotationally connected with the end of the convex jaw (23), the side front edge of the bending carrier (26) extends a second convex jaw (25), the other end of the reinforcing top frame (24) is rotationally connected with the end of the second convex jaw (25).

8. A multi-parameter integrated online corrosion awareness device as claimed in claim 1, wherein: The inside of the auxiliary carrier (9) is provided with a bearing cavity (14), the outer surface of the shifting column (6) is coaxially fixedly provided with a convex cap (15), the convex cap (15) is slidingly installed in the inside of the bearing cavity (14), the inside of the bearing cavity (14) is fixedly provided with a pushing spring (16) at the front end, the rear end of the pushing spring (16) is fixed with the convex cap (15), the shifting column (6) penetrates through the inside of the pushing spring (16), the pushing spring (16) is in a contraction state, the inside of the auxiliary carrier (9) is provided with a second bearing cavity (17) in front of the bearing cavity (14), the outer surface of the shifting column (6) is coaxially fixedly provided with a top cap (18), the top cap (18) is slidingly installed in the inside of the second bearing cavity (17).