Gas valve detection simulation assembly and process for submarine
By using an acoustic emission detection system and a simulation experimental platform, the problem of detecting minute leaks in submarine compressed gas valves has been solved, achieving the effects of online monitoring and experimental teaching.
Patent Information
- Application Number
- CN202411246342.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2020-08-06
- Publication Date
- 2025-01-10
AI Technical Summary
Existing technologies are insufficient to effectively detect minute leaks in submarine compressed gas valves, especially under complex shipboard background noise and space constraints, which can affect the safety and stability of the vessel.
Design and build a simulation device for detecting gas valves for submarines. A sound emission detection system is used to monitor minute leaks online. Sound emission sensors are used to collect signals and a signal amplifier and processor are used to determine valve leakage. A simulation test bench is combined with different valve leakage and non-leakage conditions.
It enables effective detection of minute leaks in compressed gas valves of submarines, ensuring the safety and stability of the vessel. The equipment is also inexpensive, reusable, and suitable for experimental teaching and scientific research.
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Figure CN119290369A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to an air valve detection simulation component and a process for submarines. Background Art At present, the compressed gas system is an important support system for underwater ships. The system uses an air compressor to generate compressed gas of a certain pressure, which is transported by pipelines and stored in gas cylinders for use by other ship machinery and systems. In compressed air pipelines, since valves need to be opened and closed frequently and are assembly parts, their assembly accuracy, usage methods, sealing ring materials, and processability of welding parts or defects in the materials themselves will affect the leakage of the valve body itself, thereby causing leakage. In addition, due to the complex background noise on the ship, some compressed gas valves are restricted by radiation, high temperature, spatial layout, etc., and it is difficult to detect when a trace leak occurs, which is not conducive to the safety and stability of the ship. How to solve the problem of detecting trace leaks has become a technical problem that needs to be solved urgently. Summary of the invention
[0002] The technical problem to be solved by the present invention is generally to provide a gas valve detection simulation component and process for submarines. Aiming at the problem of detecting trace leakage of ship compressed gas valves, the present invention designs and builds a ship compressed gas valve trace leakage comprehensive test bench, which is used to simulate the trace leakage of compressed gas pipelines with valve leakage, and the loaded acoustic emission detection system can realize the online monitoring of trace leakage of the system. The name of the parent case invention is submarine gas valve detection simulation device and method. Application date is 20200806. Application number is 202010783669.8 To solve the above problems, the technical solution adopted by the present invention is: A submarine gas valve detection simulation device includes a valve leakage test section, which includes a compressed air flow inlet for feeding required compressed air; An input stop valve is connected to the compressed air flow inlet and output ends to control the total amount of compressed air entering; The total inlet flow meter and the total inlet pressure gauge are connected in series with the input stop valve to monitor the pressure and flow of the incoming compressed air; Input main pipe, the input end is fed with compressed air passing through the input stop valve; Output main pipe, outputs the compressed air after testing; The valve to be tested includes several valves and calibration pipelines, which are connected in parallel between the input main pipe and the output main pipe; A first stop valve and a second stop valve are respectively provided at both ends of each valve to be tested; The output main pipe is discharged after passing through the total output flow meter, total output pressure gauge and output stop valve in series; A detection module is installed on each valve to be detected; The detection module includes acoustic emission sensors installed at both ends of each valve to be detected, and the acoustic emission sensors collect signals generated by compressed gas passing through the valve or the calibration pipeline; The output end of the acoustic emission sensor is connected to a signal amplifier for signal preprocessing; the output end of the signal amplifier is connected to an acoustic detection transmitter, the acoustic detection transmitter is matched with an acoustic detection receiver, the acoustic detection receiver is connected to a processor, the processor analyzes the signal feature quantity and makes a valve leakage judgment.
[0003] As a further improvement of the above technical solution: The valves to be tested include leaking needle valves, leaking gate valves, leaking stop valves, leaking ball valves, calibration pipelines, leaking safety valves, standard needle valves, standard gate valves, standard stop valves, and standard ball valves; A safety drain flow meter is connected next to the safety port of the leaking safety valve, and the safety drain flow meter is drained through the safety muffler; Check pipeline to simulate the pipeline condition without leakage; Leaking needle valve, leaking gate valve, leaking stop valve, and leaking ball valve are used to simulate leakage of different valves; Standard needle valve, standard gate valve, standard stop valve, and standard ball valve are used to simulate the non-leakage conditions of different valves; The processor analyzes the characteristic quantities of the leaking or non-leaking signals of the same type of valves.
[0004] The input end of the valve leakage test section is connected to the compressed gas inlet section. Compressed gas intake section compresses the air into the compressed air required underwater for detection Used for valve leakage test section; pressure gauge and flow meter are set in the compressed gas intake section; A compressed gas discharge section is connected to the output end of the valve leakage test section; The compressed gas discharge section is connected to the output end of the valve leakage test section.
[0005] The compressed gas intake section includes an air compressor, a gas cylinder, an input pressure gauge and an adjustable pressure reducing valve connected in sequence; The air compressor converts the compressed air into the required compressed gas and stores it in gas cylinders; Gas cylinders, which store compressed gas and control the switch through the stop valve at its outlet; The adjustable pressure reducing valve adjusts the pressure of the compressed gas output from the gas cylinder and then connects it to the compressed air inlet of the valve leakage test section; The first safety valve is connected to the gas cylinder to control the safety pressure of the gas cylinder; Input pressure gauge, used to monitor the output pressure of the gas cylinder, as the basis for setting the pressure of the adjustable pressure reducing valve; The compressed gas discharge section includes gas-consuming equipment connected to the output stop valve.
[0006] A submarine gas valve detection simulation component, namely a submarine gas valve detection simulation device, comprises a process support installed at the lower end of a valve to be detected, a guide wheel arranged at the bottom of the process support, a positioning baffle arranged at the four corners of the process support, a magnetic suction seat arranged on the process support and having a magnetic knob, and a flange process support arranged at both ends of the process support; The process support is a welded part, and the ventilation axis of the valve to be tested is OO; The positioning baffle has a front flange surface D, an upper surface C, a side surface B and a front end surface A for positioning; The U-shaped support of the flange process support contacts the outer circle of the flange of the valve to be tested; The magnetic knob controls the magnetic suction seat to engage or separate with the outer wall of the valve to be tested; By adjusting the height of the process bracket, the height of the ventilation axis OO of all valves to be tested is the same relative to the upper surface C; by adjusting the width of the process bracket, the width of the ventilation axis OO of all valves to be tested is the same relative to the side surface B; by adjusting the width of the process bracket, the front flange surface D of all valves to be tested is the same length relative to the front end surface A; The valves to be tested include several valves and calibration pipelines, which are used to be connected in parallel between the input main pipe and the output main pipe; some of the valves have corresponding pipelines connected at both ends, and pipelines for leakage conditions of different valve positions; and some of the valves include leaking needle valves, leaking gate valves, leaking stop valves, and leaking ball valves.
[0007] As a further improvement of the above technical solution: The device also includes a conveyor belt with a carrier member on the conveyor belt; An insertion channel is longitudinally arranged on the carrier, and side C-shaped channels and side oblique guide channels are respectively arranged on both sides of the insertion channel, and a front limit block is arranged at the front end of the carrier, and the insertion channel and the front limit block are staggered; A spring sheet is provided on the inner side wall of the side oblique guide groove; The loading station, alignment station, cleaning station, testing station and output station are distributed on the conveyor belt in sequence; At the loading station, a loading support frame is arranged on one side, a loading lifting push rod is arranged vertically on the loading support frame, a Y-shaped loading forward push rod is arranged longitudinally on the loading lifting push rod, a loading shovel plate is arranged at the upper end of the loading forward push rod, a loading rear step is arranged at the rear side of the loading shovel plate, and a loading guide inclined surface is arranged at the front end of the loading shovel plate; At the alignment station, there are alignment cameras on both sides, and an alignment check circle is arranged in front of the alignment cameras; At the cleaning station, there are cleaning blow pipes and cleaning air outlet pipes on both sides; At the test station, there are detection ventilation pipelines on both sides of the horizontal direction, and detection positioning end faces and detection positioning cone faces are arranged on the detection ventilation pipelines; the first stop valve and the second stop valve are respectively connected to the corresponding detection ventilation pipelines; The first stop valve is connected to an input main pipe, and the compressed air passing through the input stop valve is introduced into the input end of the first stop valve; The second stop valve is connected to an output main pipe, and its output detects the compressed air after use; At the output station, an output swing lifting seat is arranged on one longitudinal side, an output telescopic U-shaped fork is arranged on the output swing lifting seat for vertical lifting and horizontal rotation, an output lifting surface is arranged on the output telescopic U-shaped fork, and an output blocking surface is arranged at the root of the output lifting surface.
[0008] A submarine gas valve detection simulation process, that is, a submarine gas valve detection simulation method, uses a submarine gas valve detection simulation device to achieve station connection through a conveyor belt, and there is a carrier on the conveyor belt; the method is as follows: S1. First, according to the size of the ventilation axis OO of the valve to be tested and the position of the front flange surface D, make the corresponding process support and set the requirements: a. relative to the upper surface C, make the height of the ventilation axis OO of all valves to be tested the same; b. relative to the side surface B, make the ventilation axis OO of all valves to be tested the same width; c. relative to the front end surface A, make the front flange surface D of all valves to be tested the same length; then, install the valve to be tested in the flange process support; secondly, the magnetic knob controls the magnetic suction seat to magnetically attract the outer wall of the valve to be tested; S2, first, place the process support of S1 on the loading shovel; then, the loading shovel enters the insertion channel, so that the guide wheel of the process support of the valve to be tested falls into the carrier; secondly, the step moves longitudinally after loading so that the blocking baffle enters the side C-shaped groove and the side oblique guide groove, and the side surface B is positioned and contacted with the corresponding inner wall of the side C-shaped groove by using the spring sheet until the front end surface A contacts the front limit block; thirdly, the loading shovel falls into the insertion channel and returns to wait for the next process support to be placed; S3, at the alignment station, the robot moves the alignment camera and the alignment check circle to make their axis coaxial with the ventilation axis OO corresponding to the valve to be tested. The alignment check circle is used as a reference, and the alignment check circle of the corresponding end face photographed by the corresponding alignment camera is compared and adjusted with the front flange surface D corresponding to the valve to be tested and the rear end surface corresponding to the valve to be tested, and the alignment coordinates are recorded; S4, according to the alignment coordinates, at the cleaning station, the cleaning blow pipe and the cleaning outlet pipe are respectively controlled by the manipulator to contact the corresponding through hole of the valve to be tested, so as to ventilate and clean the inner cavity of the valve to be tested; S5, according to the alignment coordinates, at the test station, first, the detection ventilation pipeline is respectively manipulated by the manipulator, so that the detection positioning cone surface is inserted into the through hole of the valve to be detected to achieve positioning, and the detection positioning end surface is in sealing contact with the corresponding end surface of the valve to be detected; then, the first stop valve and / or the second stop valve are manipulated to perform detection simulation; S6, at the output station, first, the output lifting surface enters the insertion channel; then, the output telescopic U-shaped fork is extended, and the output blocking surface reverses the blocking baffle out of the side C-shaped groove and the side oblique guide groove; secondly, the output swing lifting seat rises; thirdly, the output swing lifting seat drives the valve to be inspected to swing away from the valve to be inspected.
[0009] A submarine gas valve detection simulation method comprises the following steps In the test simulation steps of S5, first, the air compressor converts the air into the required compressed gas through compression and stores it in the gas cylinder; then, after the pressure is adjusted by the pressure regulating valve, the gas is transported to the test section through the pipeline; secondly, the flow meter measures and displays the intake flow rate through the pipeline to the test section during the working process. The pressure gauge measures and displays the initial air intake pressure reaching the experimental section through the pipeline during operation; secondly, the first stop valve and the second stop valve are used to control the air supply switch of the section valve, which is used to simulate an ordinary intact pipeline without leakage, a pipeline simulating leakage of different valve positions commonly used in submarines, and a pipeline simulating leakage of valve positions with different leakages commonly used in submarines.
[0010] The invention has reasonable design, low cost, durability, safety and reliability, simple operation, time and labor saving, money saving, compact structure and convenient use.
[0011] The present invention comprehensively considers the main influencing factors of compressed gas valve damage and leakage, and can realize experimental simulation and detection of pipeline leakage caused by these factors. The acoustic emission detection device provided by the platform can be used for ship compressed gas leakage detection comparative analysis and teaching and scientific research, and other detection technologies can also be used to conduct experiments on the platform. The platform has low design cost, can be reused, and can also be used for pipeline replacement and customized processing according to special needs. It basically meets the experimental teaching and scientific research of using acoustic emission technology to detect pipeline leakage in ship compressed gas systems. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the use structure of the present invention.
[0013] Figure 2 It is a structural schematic diagram of the present invention. Figure 3 It is a schematic diagram of the improved usage structure of the present invention.
[0014] Figure 4 It is a schematic diagram of the improved structure of the present invention. Figure 5 It is a schematic diagram of the alignment principle of the present invention. Among them: 1. Detection module; 2. Signal amplifier; 3. Acoustic emission sensor; 4. Acoustic detection transmitter; 5. Compressed air flow inlet; 6. Input stop valve; 7. Total incoming flow meter; 8. Total incoming pressure gauge; 9. Total output flow meter; 10. Total output pressure gauge; 11. Gas-using equipment; 12. Output stop valve; 13. Input main pipe; 14. First stop valve; 15. Valve to be detected; 16. Second stop valve; 17. Output main pipe; 18. Leakage needle valve; 19. Leakage gate valve; 20. Leakage stop valve; 21. Leakage ball valve; 22. Check pipeline; 23. Leakage safety valve; 24. Safety emptying flow meter; 25. Safety muffler; 26. Air; 27. Air compressor; 28. Gas cylinder; 29. First safety valve; 30. Input pressure gauge; 31. Adjustable pressure reducing valve; 34. Standard needle valve; 35. Standard gate valve; 36. Standard stop valve; 37. Standard ball valve.
[0015] 41. Process support; 42. Guide wheel; 43. Positioning baffle; 44. Magnetic suction seat; 45. Magnetic knob; 46. Flange process support; 47. Conveyor belt; 48. Carrier; 49. Insertion channel; 50. Side C-shaped groove; 51. Side oblique guide groove; 52. Front limit block; 53. Loading support frame; 54. Loading lifting push rod; 55. Loading forward push rod; 56. Loading shovel plate; 57. Loading rear step; 58. Loading guide Inclined surface; 59, loading station; 60, alignment station; 61, cleaning station; 62, test station; 63, output station; 64, camera alignment; 65, check circle alignment; 66, blow pipe cleaning; 67, air outlet pipe cleaning; 68, ventilation line inspection; 69, positioning end surface inspection; 70, positioning cone inspection; 71, output swing lifting seat; 72, telescopic U-shaped fork output; 73, lifting surface output; 74, gear surface output. DETAILED DESCRIPTION like Figure 1-5As shown, the submarine gas valve detection simulation device of this embodiment includes a valve leakage test section, which includes a compressed air inlet 5 to feed the required compressed air; an input stop valve 6 connected to the output end of the compressed air inlet 5 to control the total amount of compressed air entering; a total inlet flow meter 7 and a total inlet pressure gauge 8 connected in series with the input stop valve 6 to monitor the pressure and flow of the compressed air fed; an input main pipe 13, the input end of which is fed with compressed air passing through the input stop valve 6; an output main pipe 17, which outputs the compressed air after the test; a valve to be tested 15, including a plurality of valves and a calibration pipeline 22, which are connected in parallel between the input main pipe 13 and the output main pipe 17; a first stop valve 14 and a second stop valve 16 are respectively provided at both ends of each valve to be tested 15; A first stop valve 14 and a second stop valve 16 are respectively provided at both ends of each valve 15 to be detected; the output main pipe 17 is discharged after passing through a total output flow meter 9, a total output pressure gauge 10 and an output stop valve 12 connected in series; a detection module 1 is installed on each valve 15 to be detected; the detection module 1 includes an acoustic emission sensor 3 installed at both ends of each valve 15 to be detected, and the acoustic emission sensor 3 collects the signal generated by the compressed gas passing through the valve or the calibration pipeline 22; the output end of the acoustic emission sensor 3 is connected to a signal amplifier 2 for signal preprocessing; the output end of the signal amplifier 2 is connected to an acoustic detection transmitter 4, the acoustic detection transmitter 4 is matched with an acoustic detection receiver, and the acoustic detection receiver is connected to a processor, and the processor analyzes the signal characteristic quantity to make a valve leakage judgment.
[0016] The valve 15 to be tested includes a leaking needle valve 18, a leaking gate valve 19, a leaking stop valve 20, a leaking ball valve 21, a calibration pipeline 22, a leaking safety valve 23, a standard needle valve 34, a standard gate valve 35, a standard stop valve 36, and a standard ball valve 37; a safety drain flow meter 24 is connected to the safety port of the leaking safety valve 23, and the safety drain flow meter 24 is drained through a safety muffler 25; the calibration pipeline 22 is used to simulate a pipeline condition without leakage; the leaking needle valve 18, the leaking gate valve 19, the leaking stop valve 20, and the leaking ball valve 21 are used to simulate leakage conditions of different valves; the standard needle valve 34, the standard gate valve 35, the standard stop valve 36, and the standard ball valve 37 are used to simulate non-leakage conditions of different valves; the processor analyzes the characteristic quantities of leakage or non-leakage signals of the same valve.
[0017] The input end of the valve leakage test section is connected to a compressed gas intake section, which compresses the air 26 into the compressed air required underwater for testing. Used for valve leakage test section; a pressure gauge and a flow meter are arranged at the compressed gas inlet section; a compressed gas discharge section is connected to the output end of the valve leakage test section; the compressed gas discharge section is connected to the output end of the valve leakage test section.
[0018] The compressed gas intake section includes an air compressor 27, a gas cylinder 28, an input pressure gauge 30 and an adjustable pressure reducing valve 31 which are connected in sequence; the air compressor 27 converts the compressed gas into the required compressed gas and stores it in the gas cylinder 28; the gas cylinder 28 stores the compressed gas and controls the switch through the stop valve at its output port; the adjustable pressure reducing valve 31 adjusts the pressure of the compressed gas output by the gas cylinder 28 and connects it to the compressed air inlet 5 of the valve leakage test section; the first safety valve 29 is connected to the gas cylinder 28 to control the safety pressure of the gas cylinder; the input pressure gauge 30 is used to monitor the output pressure of the gas cylinder 28 as a basis for adjusting the pressure of the adjustable pressure reducing valve 31; the compressed gas discharge section includes a gas-using device 11 connected to the output stop valve 12. Among them, as a specific implementation case, the air compressor is used to convert air into the required compressed gas through compression and store it in the gas cylinder; the gas cylinder can store compressed gas and the switch is controlled by the stop valve, and after the pressure is adjusted by the pressure regulating valve, it is transported to the experimental section through the pipeline; the flow meter is used to measure and display the intake flow through the pipeline to the experimental section during the working process. The valve leakage test section consists of the front-end main stop valve, pressure gauge, segmented head and tail detachable stop valves, the rear-end main stop valve, pipelines and accessories.
[0019] The main stop valve at the front end of the air intake pipeline is used to control the main switch of the air supply of all valve pipelines; the pressure gauge is used to measure and display the initial pressure of the air intake that passes through the pipeline to the experimental section during the working process; the removable stop valve at the beginning of each section is used to control the air supply switch of the valve in the section; the middle of the experimental pipeline is an ordinary intact pipeline, which is used to simulate the situation without leakage; the upper part of the pipeline is used to simulate the leakage of different valve positions commonly used in submarines. The lower part of the pipeline is used to simulate the leakage of different valve positions commonly used in submarines, so as to form a comparison.
[0020] In addition, the head and tail section stop valves are designed to be detachable, which is convenient for valve replacement and disassembly in case of other leakage situations.
[0021] The compressed gas discharge section consists of a flow meter, gas-using equipment, pipelines and accessories.
[0022] Along the gas flow direction, the tail flow meter is used to measure and display the gas flow rate used by the valve gas-using equipment during the working process; When the gas-using equipment is turned on, it simulates the impact of leakage when the ship's compressed gas is supplied to users. When the gas-using equipment is closed, it simulates the slight leakage of compressed gas when the valve is pressurized.
[0023] The present invention can effectively simulate the leakage of marine compressed gas valves under laboratory conditions, and provide leakage detection simulation and demonstration. It can be reused, and all valves on the branch pipelines can be easily disassembled and assembled, which is convenient for setting other pipeline faults. The acoustic emission detection technology can be used to detect valve leakage and locate the leakage point.
[0024] In the figure, an acoustic emission sensor 3 is arranged on both sides of the experimental valve. The signal generated by the compressed gas passing through the valve is sent to the acoustic emission processor after being pre-processed by the power amplifier. By further analyzing the signal characteristic quantity, the valve leakage is judged. The experimental results can further verify the rationality and practicality of the experimental platform.
[0025] like Figure 1-5 As shown, the submarine gas valve detection simulation device of this embodiment includes a process support 41 installed at the lower end of the valve to be detected 15, a guide wheel 42 arranged at the bottom of the process support 41, a positioning baffle 43 arranged at the four corners of the process support 41, a magnetic suction seat 44 arranged on the process support 41 and having a magnetic knob 45, and a flange process support 46 arranged at both ends of the process support 41; The process support 41 is a welded part, and the ventilation axis line OO of the valve 15 to be tested; The positioning baffle 43 has a front flange surface D, an upper surface C, a side surface B and a front end surface A for positioning; The U-shaped support of the flange process support 46 contacts the outer circle of the flange of the valve to be tested 15; The magnetic knob 45 controls the magnetic suction seat 44 to be magnetically attracted or separated from the outer wall of the valve to be detected 15; By adjusting the height of the process support 41, the height of the ventilation axis OO of all the valves to be tested 15 is the same relative to the upper surface C; by adjusting the width of the process support 41, the ventilation axis OO of all the valves to be tested 15 is the same width relative to the side surface B; by adjusting the width of the process support 41, the front flange surface D of all the valves to be tested 15 is the same length relative to the front end surface A; The valve 15 to be tested includes several valves and a calibration pipeline 22, which are used to be connected in parallel between the input main pipe 13 and the output main pipe 17; some of the valves in the several valves have corresponding pipelines connected at both ends, and pipelines for leakage conditions of different valve positions, and some of the valves in the several valves include a leakage needle valve 18, a leakage gate valve 19, a leakage stop valve 20, and a leakage ball valve 21.
[0026] The device further comprises a conveyor belt 47 on which a carrier member 48 is provided; An insertion channel 49 is longitudinally arranged on the carrier 48, and side C-shaped grooves 50 and side oblique guide grooves 51 are respectively arranged on both sides of the insertion channel 49, and a front stop block 52 is arranged at the front end of the carrier 48, and the insertion channel 49 and the front stop block 52 are arranged alternately; A spring sheet is provided on the inner side wall of the side oblique guide groove 51; On the conveyor belt 47, there are arranged a loading station 59, an alignment station 60, a cleaning station 61, a testing station 62 and an output station 63 in sequence; A loading station 59 is provided with a loading support frame 53 on one side, a loading lifting push rod 54 is vertically provided on the loading support frame 53, a Y-shaped loading forward push rod 55 is longitudinally provided on the loading lifting push rod 54, a loading shovel plate 56 is provided at the upper end of the loading forward push rod 55, a loading rear step 57 is provided at the rear side of the loading shovel plate 56, and a loading guide inclined surface 58 is provided at the front end of the loading shovel plate 56; At the alignment station 60, there are alignment cameras 64 on both sides thereof, and an alignment check circle 65 is arranged in front of the alignment camera 64; At the cleaning station 61, there are cleaning blow pipes 66 and cleaning air outlet pipes 67 on both sides thereof; The test station 62 has detection ventilation pipelines 68 on both sides thereof, and detection positioning end faces 69 and detection positioning cone faces 70 are provided on the detection ventilation pipelines 68; the first stop valve 14 and the second stop valve 16 are connected to the corresponding detection ventilation pipelines 68 respectively; The first stop valve 14 is connected to the input main pipe 13, and the compressed air passing through the input stop valve 6 is introduced into its input end; The second stop valve 16 is connected to an output main pipe 17, which outputs the compressed air after detection; At the output station 63, an output swing lifting seat 71 is provided on one longitudinal side thereof, an output telescopic U-shaped fork 72 is provided on the output swing lifting seat 71 for vertical lifting and horizontal rotation, an output lifting surface 73 is provided on the output telescopic U-shaped fork 72, and an output blocking surface 74 is provided at the root of the output lifting surface 73.
[0027] The submarine gas valve detection simulation method of this embodiment uses a submarine gas valve detection simulation device to achieve station connection through a conveyor belt 47, and there is a carrier 48 on the conveyor belt 47; the method is as follows: S1, first, according to the size of the ventilation axis OO of the valve 15 to be tested and the position of the front flange surface D, the corresponding process support 41 is made, and the following requirements are set: a, relative to the upper surface C, the height of the ventilation axis OO of all the valves 15 to be tested is the same; b, relative to the side surface B, the ventilation axis OO of all the valves 15 to be tested is the same width; c, relative to the front end surface A, the front flange surface D of all the valves 15 to be tested is the same length; then, the valve 15 to be tested is installed in the flange process support 46; secondly, the magnetic knob 45 controls the magnetic suction seat 44 to magnetically attract the outer wall of the valve 15 to be tested; S2, first, place the process support 41 of S1 on the loading shovel plate 56; then, the loading shovel plate 56 enters the insertion channel 49, so that the guide wheel 42 of the process support 41 of the valve 15 to be tested falls into the carrier 48; secondly, the step 57 moves longitudinally after loading so that the blocking baffle 43 enters the side C-shaped groove 50 and the side oblique guide groove 51, and the side surface B is positioned and contacted with the corresponding inner wall of the side C-shaped groove 50 by using the spring sheet, until the front end surface A contacts the front limit block 52; thirdly, the loading shovel plate 56 falls into the insertion channel 49 and returns to wait for the next process support 41 to be placed; S3, at the alignment station 60, the alignment camera 64 and the alignment check circle 65 are moved by the robot arm to make their axis coaxial with the ventilation axis OO corresponding to the valve to be inspected 15. The alignment check circle 65 is used as a reference, and the alignment check circle 65 of the corresponding end face photographed by the corresponding alignment camera 64 is compared and adjusted with the front flange surface D corresponding to the valve to be inspected 15 and the rear end surface corresponding to the valve to be inspected 15, and the alignment coordinates are recorded; S4, according to the alignment coordinates, at the cleaning station 61, the cleaning blow pipe 66 and the cleaning air outlet pipe 67 are respectively controlled by the manipulator to contact the corresponding through hole of the valve to be tested 15 to ventilate and clean the inner cavity of the valve to be tested 15; S5, according to the alignment coordinates, at the test station 62, first, the detection ventilation pipeline 68 is respectively manipulated by the manipulator, so that the detection positioning cone surface 70 is inserted into the through hole of the valve to be detected 15 to achieve positioning, and the detection positioning end surface 69 is in sealing contact with the corresponding end surface of the valve to be detected 15; then, the first stop valve 14 and / or the second stop valve 16 are manipulated to perform detection simulation; S6, at the output station 63, first, the output lifting surface 73 enters into the insertion channel 49; then, the output telescopic U-shaped fork 72 is extended, and the output blocking surface 74 reverses the blocking baffle 43 out of the side C-shaped groove 50 and the side inclined guide groove 51; secondly, the output swing lifting seat 71 rises; and again, the output swing lifting seat 71 drives the valve to be inspected 15 to swing away from the valve to be inspected 15.
[0028] The submarine gas valve detection simulation method of this embodiment includes the following steps: In the test simulation steps of S5, first, the air compressor converts the air into the required compressed gas through compression and stores it in the gas cylinder; then, after the pressure is adjusted by the pressure regulating valve, the gas is transported to the test section through the pipeline; secondly, the flow meter measures and displays the intake flow rate through the pipeline to the test section during the working process. The pressure gauge measures and displays the initial air intake pressure reaching the experimental section through the pipeline during operation; secondly, the first stop valve 14 and the second stop valve 16 are used to control the air supply switch of the segmented valve, which is used to simulate an ordinary intact pipeline without leakage, a pipeline simulating leakage of different valve positions commonly used in submarines, and a pipeline simulating leakage of valve positions with different leakages commonly used in submarines. The present invention realizes the center height and end face position of different valves and calibration pipelines by designing the process bracket 41, so as to meet the simulation requirements. The guide wheel 42 reduces the friction force. The positioning surface of the blocking baffle 43 realizes the height, lateral and longitudinal positioning. The magnetic suction seat 44 realizes rapid suction through the magnetic knob 45. The flange process support 46 can be adjusted according to the valve and pipeline size requirements, and can be V-shaped, U-shaped or C-shaped. The insertion channel 49 facilitates the entry and separation of the shovel plate. The side C-shaped groove 50 is compatible. The spring piece can be a spring sheet or an elastic steel ball, which realizes the lateral movement of the process bracket. The side inclined guide groove 51 realizes positioning, and the front limit block 52 realizes lateral positioning. The feeding support frame 53 is the reference. The feeding lifting push rod 54 and the feeding forward push rod 55 realize lifting and longitudinal movement. The feeding shovel plate 56 realizes the support of the process bracket. The feeding rear step 57 realizes pushing. The conveyor belt is used to move forward to realize rapid separation. The feeding guide inclined surface 58 is guiding. The loading station 59, the alignment station 60, the cleaning station 61, the test station 62, and the output station 63 are distributed in sequence. The alignment camera 64 and the alignment verification circle 65 realize the precise adjustment of the center position of the valve and the pipeline. The cleaning of the blow pipe 66 and the cleaning of the air outlet pipe 67 realize pre-cleaning. The detection of the ventilation pipeline 68 realizes simulated ventilation detection. The detection and positioning end face 69 realizes end face sealing. The detection and positioning conical surface 70 realizes taper guiding and sealing. The output swing lifting seat 71 realizes lifting and swinging movements. The output telescopic U-shaped fork 72 realizes the groove. The output lifting surface 73 realizes the bearing process bracket. The output gear surface 74 realizes positioning. The magnetic suction seat 44 is separated from the valve to be inspected 15 through the magnetic knob 45 for easy disassembly, and can be marked on the process bracket for identification.
[0029] The present invention is fully described for a clearer disclosure, and the prior art is not listed one by one.
[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some of the technical features therein with equivalents; it is obvious for those skilled in the art to combine multiple technical solutions of the present invention. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A valve detection simulation component for submarines, characterized in that: It comprises a process support (41) mounted at the lower end of the valve to be tested (15), a guide wheel (42) arranged at the bottom of the process support (41), a blocking baffle (43) arranged at the four corners of the process support (41), a magnetic suction seat (44) arranged on the process support (41) and having a magnetic knob (45), and a flange process support (46) arranged at both ends of the process support (41); The process support (41) is a welded part, and the valve to be tested (15) has a ventilation axis OO and a front flange surface D; The positioning baffle (43) has an upper surface C, a side surface B and a front end surface A for positioning; The U-shaped support of the flange process support (46) contacts the outer circle of the flange of the valve to be tested (15); The magnetic knob (45) controls the magnetic suction seat (44) to magnetically engage or separate with the outer wall of the valve to be tested (15); By adjusting the height of the process support (41), the height of the ventilation axis center lines OO of all the valves to be inspected (15) is made to be the same relative to the upper surface C; by adjusting the width of the process support (41), the width of the ventilation axis center lines OO of all the valves to be inspected (15) is made to be the same relative to the side surface B; by adjusting the width of the process support (41), the length of the front flange surfaces D of all the valves to be inspected (15) is made to be the same relative to the front end surface A; The valve to be tested (15) comprises a plurality of valves and a calibration pipeline (22), which are used to be connected in parallel between the input main pipe (13) and the output main pipe (17); a part of the plurality of valves, both ends of which are respectively connected to corresponding pipelines, pipelines for leakage conditions at different valve positions; and a part of the plurality of valves, which comprises a leakage needle valve (18), a leakage gate valve (19), a leakage stop valve (20), and a leakage ball valve (21).
2. The submarine valve detection simulation component according to claim 1, characterized in that: The device also includes a conveyor belt (47) with a carrier (48) on the conveyor belt (47); An insertion channel (49) is longitudinally arranged on the carrier member (48), and side C-shaped grooves (50) and side oblique guide grooves (51) are respectively provided on both sides of the insertion channel (49), and a front limit block (52) is provided at the front end of the carrier member (48), and the insertion channel (49) and the front limit block (52) are arranged alternately; A spring sheet is provided on the inner side wall of the side oblique guide groove (51); A loading station (59), an alignment station (60), a cleaning station (61), a testing station (62) and an output station (63) are sequentially arranged on the conveyor belt (47); A loading support frame (53) is arranged on one side of the loading station (59), a loading lifting push rod (54) is vertically arranged on the loading support frame (53), a Y-shaped loading forward push rod (55) is longitudinally arranged on the loading lifting push rod (54), a loading shovel plate (56) is arranged at the upper end of the loading forward push rod (55), a loading rear step (57) is arranged on the rear side of the loading shovel plate (56), and a loading guide inclined surface (58) is arranged at the front end of the loading shovel plate (56); The alignment station (60) has alignment cameras (64) on both sides thereof, and an alignment verification circle (65) is arranged in front of the alignment camera (64); The cleaning station (61) has a cleaning blow pipe (66) and a cleaning air outlet pipe (67) on both sides thereof; The test station (62) has detection ventilation pipelines (68) on both sides thereof in the transverse direction, and the detection ventilation pipelines (68) are provided with detection positioning end surfaces (69) and detection positioning cone surfaces (70); the first stop valve (14) and the second stop valve (16) are respectively connected to the corresponding detection ventilation pipelines (68); The first stop valve (14) is connected to the input main pipe (13), and the compressed air passing through the input stop valve (6) is introduced into the input end of the first stop valve (14); The second stop valve (16) is connected to an output main pipe (17), which outputs the compressed air after use; An output swing lifting seat (71) is provided on one longitudinal side of the output station (63); an output telescopic U-shaped fork (72) is provided on the output swing lifting seat (71) to vertically lift and horizontally rotate; an output lifting surface (73) is provided on the output telescopic U-shaped fork (72); and an output stop surface (74) is provided at the root of the output lifting surface (73).
3. A simulation process for detecting a submarine valve, characterized in that: By means of the submarine valve detection simulation component as claimed in claim 1 or 2, the workstation connection is achieved through a conveyor belt (47), and there is a carrier part (48) on the conveyor belt (47); the method is as follows: S1, first, according to the size of the ventilation axis OO and the position of the front flange surface D of the valve to be tested (15), a corresponding process support (41) is manufactured, and the following requirements are set: a, relative to the upper surface C, the height of the ventilation axis OO of all the valves to be tested (15) is the same; b, relative to the side surface B, the ventilation axis OO of all the valves to be tested (15) is the same width; c, relative to the front end surface A, the front flange surface D of all the valves to be tested (15) is the same length; then, the valve to be tested (15) is installed in the flange process support (46); secondly, the magnetic knob (45) controls the magnetic suction seat (44) to magnetically attract the outer wall of the valve to be tested (15); S2, first, the process support (41) of S1 is placed on the loading shovel (56); then, the loading shovel (56) enters the insertion channel (49), so that the guide wheel (42) of the process support (41) of the valve (15) to be tested falls into the carrier (48); secondly, after loading, the step (57) moves longitudinally so that the blocking baffle (43) enters the side C-shaped groove (50) and the side inclined guide groove (51), and the side surface B is positioned and contacted with the inner wall of the corresponding side C-shaped groove (50) by using the spring sheet until the front end surface A contacts the front limit block (52); thirdly, the loading shovel (56) falls into the insertion channel (49) and returns to wait for the next process support (41) to be placed; S3, at the alignment station (60), the alignment camera (64) and the alignment check circle (65) are moved by a mechanical arm so that their axis lines are coaxial with the ventilation axis line OO corresponding to the valve to be inspected (15), and the alignment check circle (65) is used as a reference, and the alignment check circle (65) of the corresponding end face photographed by the corresponding alignment camera (64) is compared and adjusted with the front flange surface D corresponding to the valve to be inspected (15) and the rear end surface corresponding to the valve to be inspected (15), and the alignment coordinates are recorded; S4, according to the alignment coordinates, at the cleaning station (61), the cleaning blow pipe (66) and the cleaning air outlet pipe (67) are respectively controlled by a manipulator to contact the corresponding through hole of the valve to be inspected (15), so as to ventilate and clean the inner cavity of the valve to be inspected (15); S5, according to the alignment coordinates, at the test station (62), first, the detection ventilation pipeline (68) is respectively manipulated by a manipulator so that the detection positioning cone surface (70) is inserted into the through hole of the valve to be detected (15) to achieve positioning, and the detection positioning end surface (69) is in sealing contact with the corresponding end surface of the valve to be detected (15); then, the first stop valve (14) and / or the second stop valve (16) are manipulated to perform a detection simulation; S6, at the output station (63), first, the output lifting surface (73) enters the insertion channel (49); then, the output telescopic U-shaped fork (72) is extended, and the output blocking surface (74) reverses the blocking baffle (43) away from the side C-shaped groove (50) and the side oblique guide groove (51); secondly, the output swing lifting seat (71) rises; and thirdly, the output swing lifting seat (71) drives the valve to be inspected (15) to swing away from the valve to be inspected (15).