CN113798806B - Complete device and operation method suitable for plug valve inspection and maintenance operation - Google Patents
Complete device and operation method suitable for plug valve inspection and maintenance operation Download PDFInfo
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- CN113798806B CN113798806B CN202111028021.0A CN202111028021A CN113798806B CN 113798806 B CN113798806 B CN 113798806B CN 202111028021 A CN202111028021 A CN 202111028021A CN 113798806 B CN113798806 B CN 113798806B
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- 238000012423 maintenance Methods 0.000 title claims abstract description 33
- 238000007689 inspection Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 239000006247 magnetic powder Substances 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 238000010926 purge Methods 0.000 claims description 14
- 210000000078 claw Anatomy 0.000 claims description 10
- 239000003350 kerosene Substances 0.000 claims description 9
- 238000002791 soaking Methods 0.000 claims description 9
- 238000011049 filling Methods 0.000 claims description 8
- 239000004519 grease Substances 0.000 claims description 8
- 230000001050 lubricating effect Effects 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000011068 loading method Methods 0.000 claims description 4
- 238000007542 hardness measurement Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000002950 deficient Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims 1
- 239000000306 component Substances 0.000 description 15
- 239000007788 liquid Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/22—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising a series of co-operating units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Valves (AREA)
Abstract
The complete device is suitable for plug valve inspection and maintenance operation, and the feeding and discharging module is used for grabbing the plug valve to be inspected; the conveying device is arranged between the two modules and is used for conveying the plug valve. The disassembly module is used for disassembling the valve core and the valve cover, and the cleaning module is used for cleaning the plug valve; the detection module performs magnetic powder detection on the plug valve; the maintenance assembly module reassembles the maintained plug valve with the hydraulic control system 7 for controlling the hydraulic cylinders and the hydraulic motors in all the modules; the functional modules can be used singly or in combination. According to the invention, manual carrying is not needed in the steps from conveying, dismounting, cleaning and detecting, the inspection and maintenance process is standardized, the labor intensity is greatly reduced, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of plug valve maintenance, in particular to a complete device and an operation method suitable for plug valve maintenance operation.
Background
The plug valve is a core component for well cementation fracturing operation construction and is used for controlling sand liquid delivery, the working pressure is generally between 35MPa and 140MPa, and the diameter range is 2 inches to 4 inches. After a period of use in the upper well, it is required to be inspected and repaired as specified by the standard. Conventionally, in-service plug valves are inspected and maintained by fixing union joints of the plug valves on upright posts, opening valve covers of the plug valves by special dismounting tools, pulling out valve cores, cleaning and detecting, and finally replacing parts and assembling. If the screw thread of the valve cover of the plug valve is severely corroded, sand grains block the screw connection part or the valve cover is pressed down and deformed, the valve cover is detached, and time and labor are wasted. The whole process needs to be carried manually, particularly for a large-diameter plug valve, the weight of the plug valve can reach more than 200 kg, the labor intensity of personnel is high, the working efficiency is low, and the quality of inspection and maintenance is influenced.
Disclosure of Invention
The invention provides a complete device and an operation method suitable for plug valve inspection and maintenance operation, which are free from manual transportation from transportation, disassembly, cleaning and detection, standardize inspection and maintenance processes, greatly reduce labor intensity and improve work efficiency.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a kit suitable for plug valve repair operations, comprising: the device comprises a loading and unloading module, a conveying device, a disassembling module, a cleaning module, a detecting module, a maintenance assembly module and a hydraulic control system;
the feeding and discharging module is used for grabbing a plug valve to be detected;
the conveying device consists of a feeding conveying device, an intermediate conveying device and a discharging conveying device; the conveying device module is arranged between the two modules and is used for conveying the plug valve.
The disassembly module comprises a plug valve clamping device, a valve cover knocking device, a valve cover disassembly device, a valve core disassembly device and a cantilever crane; the plug valve clamping device is used for clamping the plug valve, the valve cover knocking device releases the screw stress of the valve cover, the valve cover dismounting device dismantles the valve cover, the valve core dismounting device dismantles the valve core, and the cantilever crane is used for hoisting and shifting the plug valve component;
the cleaning module cleans the plug valve;
the detection module performs magnetic powder detection on the plug valve;
the maintenance assembly module reassembles the maintained plug valve
The hydraulic control system 7 is used for controlling the hydraulic cylinders and the hydraulic motors in all the modules;
the functional modules can be used singly or in combination.
The application method of the complete device suitable for plug valve maintenance operation comprises the following specific steps:
(1) Starting a power supply of the equipment, starting a hydraulic control system, and preparing for work;
(2) Automatically identifying and grabbing a plug valve to be detected on the ground through a feeding and discharging module, and placing the plug valve to be detected on a feeding and conveying device;
(3) The conveying device moves the plug valve to the disassembly module, and the plug valve is disassembled; when the valve cover is detached, the thread stress of the valve cover is released firstly, and then the valve cover and the valve core are detached in sequence;
(4) Conveying the disassembled plug valve to a cleaning module through a conveying device; the cleaning module consists of a soaking tank and an air purging device, wherein the air purging device is used for purging the plug valve component to remove surface impurities after the plug valve component is soaked in kerosene in the soaking tank;
(4) The conveying device conveys the cleaned plug valve component to the detection module, and the detection module performs wall thickness measurement, hardness measurement and magnetic powder detection on the plug valve component; removing the defective product;
(5) The maintenance assembly module reassembles the qualified products detected in the step 4;
(6) The assembled plug valve is transported to a blanking transporting device, and is moved to the ground.
After the technical scheme is adopted, the invention has the beneficial effects that:
1) The traditional plug valve maintenance mode is to put the plug valve on the ground and complete all actions, the disassembly, detection and assembly stations are scattered, the carrying actions are repeated and frequent, the flow is chaotic, and the maintenance quality is affected. The invention adopts the assembly line operation mode, has compact inspection and maintenance procedures, high working efficiency and standard flow, avoids disassembly and inspection omission and improves the inspection and maintenance quality.
2) The traditional plug valve inspection and maintenance needs to be carried manually by a person, when the valve cover is detached, the special detaching tool is used for manual detachment, and particularly for the plug valve with serious corrosion, the valve cover can be opened only by manually knocking and smashing, so that the integral labor intensity of staff is high. The plug valve inspection and maintenance device designed by the invention carries, dismantles and assembles by virtue of hydraulic driving force, has high degree of automation, and greatly reduces the labor intensity of personnel in a plurality of working procedures.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the drawings and examples, wherein the examples are illustrated in some, but not all, embodiments of the invention.
A schematic structural diagram of an embodiment of the present invention is shown in fig. 1, and a complete device and an operation method for plug valve maintenance operation are provided, where the device includes: the device comprises a loading and unloading module 1, a conveying device module 2, a disassembling module 3, a cleaning module 4, a detection module 5, a maintenance assembly module 6 and a hydraulic control system 7. The modules are combined according to actual needs, each module can work independently, and partial functional modules can be added or removed.
The feeding and discharging module 1 consists of an intelligent manipulator, and automatically grabs the to-be-detected plug valve on the ground by means of machine vision, and places the to-be-detected plug valve on the feeding conveying device or removes the detected plug valve from the feeding conveying device.
The conveyor module 2 comprises a loading conveyor 21, an intermediate conveyor 22 and a discharging conveyor 23. The conveyer belt of the conveyer device is a steel wire rope core conveyer belt, and the conveyer belt moves in the horizontal direction and has a distance of 1m from the ground. A set of intermediate transfer means 22 is provided between each functional module, each transfer means being operable independently. The movement of the conveyor belt is driven by a motor.
The disassembly module 3 consists of a plug valve clamping device, a valve cover knocking device, a valve cover disassembly device, a valve core disassembly device and a cantilever crane. The plug valve clamping device consists of a hydraulic fixed table and a hydraulic movable table, the clamps of the hydraulic fixed table and the hydraulic movable table are V-shaped, the thickness of the clamps is 50mm, and the action of the hydraulic movable table is controlled by an O-shaped reversing valve. The valve cover knocking device consists of a copper bar and a vertical movement mechanism, wherein the diameter of the copper bar is 40mm, and the copper bar is driven by the vertical movement mechanism to vertically reciprocate, so that the action of knocking the valve cover is realized, and the thread stress of the valve cover is released. The valve cover dismounting device consists of a hydraulic motor and a claw disc, wherein one side of the claw disc is provided with a convex pin, the other side of the claw disc is in threaded connection with the hydraulic motor, the valve cover dismounting action is realized by depending on the torsion of the hydraulic motor, and the hydraulic motor is provided with a torsion value display device. The valve core dismounting device consists of a pull rod, a core and a rotary motion mechanism, wherein a pin of the core can be in threaded connection with the valve core of the plug valve, a box of the core is in threaded connection with the pull rod, and the thread directions of the pin and the box are consistent. The rotary motion mechanism drives the pull rod to rotate, so that the spiral motion of the plug valve core is realized until the valve core is completely pulled out. The cantilever crane is used for hoisting and displacing the plug valve component. The hydraulic moving table, the vertical movement mechanism and the rotary movement mechanism are driven by hydraulic oil cylinders.
The cleaning module 4 consists of a soaking tank, a filter screen, a horizontal pushing mechanism, a lifting mechanism and an air purging device. The horizontal pushing mechanism is used for pushing the component to the upper part of the filter screen. Under the action of the lifting mechanism, the filter screen can sink below the kerosene level of the soaking tank. When the plug valve component is fully soaked by kerosene, the filter screen can rise to float the liquid level of the kerosene to a specified height under the action of the lifting mechanism. The air purging device is used for purging the plug valve component and removing surface impurities. The action of the horizontal pushing mechanism and the lifting mechanism is driven by a hydraulic oil cylinder.
The detection module 5 consists of a horizontal pushing mechanism, a flaw detection operation table, a darkroom, a fluorescent magnetic powder flaw detector, a magnetic suspension circulating stirring system and a cantilever crane. The horizontal pushing mechanism is used for pushing the component to the flaw detection operation table, the flaw detection operation table is located in the darkroom, the fluorescent magnetic powder flaw detector is used for carrying out magnetic powder detection on the component, and the magnetic suspension circulating stirring system is used for recovering, filtering and storing used magnetic suspension for repeated use. The action of the horizontal pushing mechanism is driven by a hydraulic oil cylinder.
The maintenance assembly module 6 consists of a plug valve clamping device, a valve cover screwing device, a valve core jacking device and a lubricating grease filling system. The plug valve clamping device consists of a hydraulic fixed table and a hydraulic movable table. The valve core jacking device consists of a jacking hydraulic cylinder and a fixed support, wherein a cylinder barrel of the jacking hydraulic cylinder is hinged with the fixed support, and a piston rod of the jacking hydraulic cylinder jacks the valve core and pushes the valve core to a designated position in an inner cavity of a plug valve body. The valve cover tightening device consists of a hydraulic motor and a claw disc and is used for tightening the valve cover of the plug valve, and a torsion value display device is arranged on the hydraulic motor. The lubricating grease filling system is used for filling the plug valve which is assembled completely with lubricating grease. The hydraulic moving table is driven by a hydraulic cylinder.
The hydraulic control system 7 consists of a hydraulic pump, a hydraulic oil tank, a hydraulic oil way and a control valve table and is used for controlling all hydraulic cylinders and hydraulic motors to act.
The using method comprises the following steps:
1) The power supply of the equipment is started, the hydraulic control system 7 and the magnetic suspension circulation stirring system are started, and the equipment is ready to work.
2) The to-be-detected plug valves on the ground are automatically identified and grabbed by means of the machine vision function of the intelligent mechanical arm, the to-be-detected plug valves are placed on the feeding conveying device 21, after a certain number of plug valves are placed, the conveying belt of the feeding conveying device 21 moves, and the plug valves are conveyed to the disassembling module 3.
3) The plug valve is placed at a reasonable position between the hydraulic fixed table and the hydraulic movable table, the hydraulic fixed table is kept fixed, the hydraulic movable table horizontally moves, the plug valve is clamped between the hydraulic movable table and the hydraulic fixed table, the O-shaped hydraulic reversing valve is operated, and the position of the plug valve is locked. Rust remover is sprayed on the rusted connection part of the plug valve, and the connecting bolt and the valve cap are removed. For the plug valve with the valve cover provided with the disassembly hole and difficult to disassemble, the vertical movement mechanism is operated to enable the copper bar to vertically reciprocate, so that the copper bar repeatedly strikes the valve cover, and the thread stress of the valve cover is released. The claw disc of the valve cover dismounting device is controlled to move, pins on the claw disc are ensured to be inserted into dismounting holes of the valve cover of the plug valve, the hydraulic motor is started, the plug valves with different specifications are required to be dismounted by adopting different torsion values, and the torsion values displayed on the torsion value display device are observed in real time during dismounting, so that the valve cover is separated from the valve body. And operating the rotary motion mechanism to enable the male buckle of the bushing to be in threaded connection with the plug valve core and realize spiral motion of the plug valve core until the plug valve core is completely pulled out. Finally, the valve clack and the sealing ring in the plug valve are removed. For a plug valve component that is visually visible and confirmed to be scrapped, it is lifted off by a cantilever crane.
4) The disassembled parts are conveyed to the designated part of the cleaning module 4 through the intermediate conveying device 22, and the horizontal pushing mechanism pushes the parts onto the filter screen, so that the filter screen sinks below the kerosene level of the soaking tank by virtue of the lifting mechanism. When the plug valve component is fully soaked by kerosene, the filter screen rises to the specified height by virtue of the lifter, and the air purging device purges the plug valve component to remove surface impurities.
5) The cleaned parts are conveyed to the designated parts of the detection module 5 through the intermediate conveying device 22, and the parts are pushed onto a flaw detection operation table by a horizontal pushing mechanism, so that the appearance inspection, the wall thickness measurement, the hardness measurement and the magnetic powder detection of the parts are carried out according to the detection standard requirements. When the magnetic powder is detected, the illuminance of the darkroom is ensured to be qualified, and the fluorescent magnetic powder inspection machine is adopted to carry out magnetic powder detection on the component. The parts found to have defects such as cracks are classified and lifted and removed by a cantilever crane.
6) The detected parts are conveyed to the designated part of the maintenance assembly module 6 through the intermediate conveying device 22, the hydraulic fixing table is kept fixed, the hydraulic moving table horizontally moves, the plug valve is clamped between the hydraulic moving table and the hydraulic fixing table, the O-shaped hydraulic reversing valve is operated, and the position of the plug valve is locked. And installing the valve clack and the sealing ring. The operation control jacking hydraulic cylinder is used for enabling the axes of a piston rod of the jacking hydraulic cylinder, the valve core and the plug valve body to coincide, and the piston rod of the jacking hydraulic cylinder is used for jacking the valve core and pushing the valve core to a designated position in the inner cavity of the plug valve body. The control valve cover tightening device is operated to tighten the valve cover of the plug valve, the plug valves with different specifications are assembled by adopting different torsion values, and the torsion values displayed on the torsion value display device are observed in real time during tightening, so that the actual torsion value is ensured to be equal to the specified torsion value. And filling the lubricating grease into the assembled plug valve by adopting a lubricating grease filling system.
7) The assembled plug valve is conveyed to the blanking conveying device 23, and the detected plug valve is automatically identified and grabbed by means of the machine vision function of the intelligent mechanical arm and is placed at a specified ground position.
The invention can avoid manual carrying of the plug valve in the whole course, and simultaneously, each functional module can be used independently or in combination to finish various operations of the plug valve. The invention has high automation degree and good maintenance quality.
Claims (5)
1. A kit suitable for plug valve repair operations, comprising: the device comprises a loading and unloading module, a conveying device, a disassembling module, a cleaning module, a detecting module, a maintenance assembly module and a hydraulic control system;
the feeding and discharging module is used for grabbing a plug valve to be detected;
the conveying device consists of a feeding conveying device, an intermediate conveying device and a discharging conveying device; the conveying device module is arranged between the two modules and is used for conveying the plug valve;
the disassembly module comprises a plug valve clamping device, a valve cover knocking device, a valve cover disassembly device, a valve core disassembly device and a cantilever crane; the valve cover knocking device releases the screw stress of the valve cover, the valve cover dismounting device dismantles the valve cover, the valve core dismounting device dismantles the valve core, and the cantilever crane is used for hoisting and shifting the plug valve component;
the disassembly module consists of a plug valve clamping device, a valve cover knocking device, a valve cover disassembly device, a valve core disassembly device and a cantilever crane; the plug valve clamping device consists of a hydraulic fixed table and a hydraulic movable table and is used for clamping the plug valve, the clamps of the hydraulic fixed table and the hydraulic movable table are V-shaped, and the action of the hydraulic movable table is controlled by an O-shaped reversing valve; the valve cover knocking device consists of a copper bar and a vertical movement mechanism, wherein the vertical movement mechanism drives the copper bar to vertically reciprocate, so that the action of knocking the valve cover is realized, and the thread stress of the valve cover is released; the valve cover dismounting device consists of a hydraulic motor and a claw disc, wherein one side of the claw disc is provided with a convex pin, the other side of the claw disc is in threaded connection with the hydraulic motor, and the valve cover dismounting action is realized by depending on the torsion of the hydraulic motor; the valve core dismounting device consists of a pull rod, a core and a rotary motion mechanism, wherein a male buckle of the core is in threaded connection with the valve core of the plug valve, a female buckle of the core is in threaded connection with the pull rod, and the thread directions of the male buckle and the female buckle are consistent; the rotary motion mechanism drives the pull rod to rotate, so that the spiral motion of the plug valve core is realized until the valve core is completely pulled out; the cantilever crane is used for hoisting and shifting the plug valve component; the hydraulic moving table, the vertical movement mechanism and the rotary movement mechanism are driven by a hydraulic oil cylinder;
the cleaning module cleans the plug valve;
the detection module performs magnetic powder detection on the plug valve;
the maintenance assembly module reassembles the maintained plug valve
The hydraulic control system is used for controlling the hydraulic cylinders and the hydraulic motors in all the modules;
the functional modules can be used singly or in combination.
2. The complete equipment for plug valve maintenance operation according to claim 1, wherein the cleaning module consists of a soaking tank, a filter screen, a horizontal pushing mechanism, a lifting mechanism and an air purging device, the horizontal pushing mechanism pushes the component to the upper part of the filter screen, the filter screen can sink below the kerosene level of the soaking tank under the action of the lifting mechanism, when the plug valve component is fully soaked by kerosene, the filter screen rises to a specified height under the action of the lifting mechanism, the air purging device is used for purging the plug valve component to remove surface impurities, and the actions of the horizontal pushing mechanism and the lifting mechanism are driven by a hydraulic cylinder.
3. The complete device for plug valve inspection and maintenance operation according to claim 1 or 2, wherein the detection module comprises a horizontal pushing mechanism, an inspection operation table, a darkroom, a fluorescent magnetic powder inspection machine, a magnetic suspension circulation stirring system and a cantilever crane, the horizontal pushing mechanism pushes the component onto the inspection operation table, the inspection operation table is positioned in the darkroom, the fluorescent magnetic powder inspection machine is used for carrying out magnetic powder detection on the component, the magnetic suspension circulation stirring system is used for recycling, filtering and storing used magnetic suspension for repeated use, and the action of the horizontal pushing mechanism is driven by a hydraulic cylinder.
4. The complete device for plug valve inspection and maintenance operation according to claim 3, wherein the maintenance assembly module consists of a plug valve clamping device, a valve cover screwing device, a valve core jacking device and a lubricating grease filling system, the plug valve clamping device consists of a hydraulic fixed table and a hydraulic movable table, the valve core jacking device consists of a jacking hydraulic cylinder and a fixed support, a cylinder barrel of the jacking hydraulic cylinder is hinged with the fixed support, a piston rod of the jacking hydraulic cylinder is abutted against the valve core and pushes the valve core into a designated position of an inner cavity of a plug valve body, the valve cover screwing device consists of a hydraulic motor and a claw disc and is used for screwing a plug valve cover, a torque value display device is arranged on the hydraulic motor, the lubricating grease filling system is used for filling lubricating grease for the plug valve after assembly, and the hydraulic movable table is driven by the hydraulic cylinder.
5. The application method of the complete device suitable for plug valve maintenance operation comprises the following specific steps:
(1) Starting a power supply of the equipment, starting a hydraulic control system, and preparing for work;
(2) Automatically identifying and grabbing a plug valve to be detected on the ground through a feeding and discharging module, and placing the plug valve to be detected on a feeding and conveying device;
(3) The conveying device moves the plug valve to the disassembly module, and the plug valve is disassembled; when the valve cover is detached, the thread stress of the valve cover is released firstly, and then the valve cover and the valve core are detached in sequence;
(4) Conveying the disassembled plug valve to a cleaning module through a conveying device; the cleaning module consists of a soaking tank and an air purging device, wherein the air purging device is used for purging the plug valve component to remove surface impurities after the plug valve component is soaked in kerosene in the soaking tank;
(4) The conveying device conveys the cleaned plug valve component to the detection module, and the detection module performs wall thickness measurement, hardness measurement and magnetic powder detection on the plug valve component; removing the defective product;
(5) The maintenance assembly module reassembles the qualified products detected in the step 4;
(6) The assembled plug valve is transported to a blanking transporting device, and is moved to the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111028021.0A CN113798806B (en) | 2021-09-02 | 2021-09-02 | Complete device and operation method suitable for plug valve inspection and maintenance operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111028021.0A CN113798806B (en) | 2021-09-02 | 2021-09-02 | Complete device and operation method suitable for plug valve inspection and maintenance operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113798806A CN113798806A (en) | 2021-12-17 |
| CN113798806B true CN113798806B (en) | 2023-11-21 |
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| CN202111028021.0A Active CN113798806B (en) | 2021-09-02 | 2021-09-02 | Complete device and operation method suitable for plug valve inspection and maintenance operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115649743B (en) * | 2022-06-09 | 2023-10-27 | 沧州瑞泰石油机械有限公司 | Skid-mounted oil sleeve thread machining and old pipe repairing production line and production process |
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