Teaching platform for cylindrical valve mechanical hydraulic system of water-turbine generator set and use method of teaching platform
By designing a teaching platform for the mechanical hydraulic system of the cylinder valve of the turbine generator set, an intuitive operation simulation of the cylinder valve is realized, which solves the gap between theory and practice in the existing technology and improves the professional skills and emergency response capabilities of the hydropower station employees.
Patent Information
- Application Number
- CN202511064451.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-31
- Publication Date
- 2025-09-09
AI Technical Summary
The existing technology lacks a teaching platform for the mechanical hydraulic system of the cylindrical valve of the turbine generator set, resulting in a gap between theoretical teaching and on-site practice for hydropower station employees. They lack an intuitive understanding of key operations such as seal adjustment, relay disassembly and assembly, and valve group assembly, which makes them prone to operational errors.
A teaching platform for the mechanical hydraulic system of a hydro-turbine generator set's cylindrical valve was designed. It includes a platform base, a hydraulic device, an operating panel, a power supply module, and a cylindrical valve layout area. Through oil connection pipes and the power supply module, various cylindrical valve movements can be simulated, stable hydraulic power and power supply are provided, and intuitive operations such as seal adjustment, servomotor disassembly and assembly, and valve group assembly are supported.
The platform has a simple structure, is quick to assemble and disassemble, is safe and reliable, low-cost, and reusable, helping employees quickly fill the gap between theory and practice, avoid operational errors in actual maintenance, and improve professional skills and emergency response capabilities.
Smart Images
Figure CN120612867A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of hydropower teaching equipment, and in particular relates to a teaching platform for a mechanical hydraulic system of a cylindrical valve of a hydro-generator set and a method for using the platform. Background Art
[0002] The cylinder valve of a hydro-turbine generator set is usually installed between the fixed guide vanes and movable guide vanes of the turbine. The cylinder is usually driven up and down by a hydraulic cylinder to achieve rapid opening and closing. It is a valve device commonly used in the water inlet of the turbine. It is mainly used to control water flow, adjust flow or emergency cut off water flow to ensure the safe operation of the unit. When the cylinder valve is closed, the cylinder drops vertically into the flow channel, blocking the water flow. When the cylinder valve is opened, the cylinder rises above the flow channel, allowing the water to flow smoothly. Compared with valves such as butterfly valves, ball valves, and gate valves, the cylinder valve has the advantages of low hydraulic loss, fast opening and closing speed, and low maintenance cost. It has now become one of the key equipment in modern large-scale hydropower stations, especially in conditions requiring rapid interception and high head. It has irreplaceable advantages. At present, there is still a lack of teaching platforms or devices for the mechanical hydraulic system of the cylinder valve of the turbine generator set, which is not conducive to hydropower station employees to make up for their skill shortcomings and improve their practical ability. For example, current hydropower station employees can generally only learn the hydraulic principles and mechanical structure of the cylinder valve through drawings or manuals. They lack an intuitive understanding of key operations such as seal adjustment, relay disassembly and assembly, and valve group assembly. As a result, they lack experience in handling faults and defects, and are prone to operational errors in actual maintenance. Summary of the Invention
[0003] The purpose of the present invention is to overcome the defects of the existing technology and provide a teaching platform for the mechanical hydraulic system of the cylindrical valve of a hydro-turbine generator set and a method of using the same. The platform has a simple structure, is quick to assemble and disassemble, is safe and reliable to use, has a low manufacturing cost, can be used repeatedly for a long time, and fully simulates the actual installation of the cylindrical valve, which can quickly help hydropower station employees fill the gap between theoretical teaching and on-site practice, and comprehensively improve the employees' professional skills and emergency response capabilities.
[0004] The object of the present invention is achieved through the following technical solutions: 14. The hydraulic system teaching platform of a hydraulic turbine generator set cylindrical valve and its using method, comprising a platform base, wherein the platform base is provided with an oil pressure device arrangement area and a valve group arrangement area, an oil pressure device is arranged in the oil pressure device arrangement area, an operating panel is further installed on the platform base, the operating panel is located on the surface of one end of the oil pressure device arrangement area, the operating panel comprises a flat section and an inclined section, the inclined section is located at the bottom of the operating panel and extends obliquely toward the other end of the oil pressure device arrangement area, the surface of the other end of the oil pressure device arrangement area and the surface of the flat section of the operating panel both have an adsorption layer to form a hydraulic valve group arrangement area for adsorption of the hydraulic valve group, the inclined section of the operating panel is provided with a pressure oil source integration port and a system return oil integration port connected by an oil circuit connecting pipe, a power supply module is further provided on the top of the flat section of the operating panel, a cylindrical valve arrangement area for installation of the cylindrical valve is provided on the platform base, the cylindrical valve arrangement area corresponds to the surface of the valve group arrangement area; Through this implementation, that is, according to the test project, the required valve group and cylindrical valve are selected in the valve group placement area, the valve group is adsorbed on the hydraulic valve group layout area, the various oil ports are connected through the oil circuit connecting pipe, and the power supply module is connected, and the oil pressure device is started to carry out the teaching test. The operation is simple and convenient. By operating the power supply module to realize various actions of the cylindrical valve, the trainees can intuitively understand the key operations such as the sealing adjustment of the cylindrical valve, the disassembly and assembly of the relay and the assembly of the valve group, so as to avoid operational errors in actual maintenance operations.
[0005] In one embodiment, the oil pressure device includes a return oil tank, the return oil tank is connected to the pressure oil source integrated port through an oil outlet pipe, the return oil tank is connected to the system return oil integrated port through an oil return pipeline, and a filter, a pressure oil pump, a one-way valve and an accumulator are sequentially provided on the oil outlet pipe along the oil outlet direction; Through this implementation, the oil pressure device is used as the core oil pressure power source to provide the system with stable oil pressure power and collect return oil. The filter is used to ensure the oil quality of the oil pump inlet. The accumulator converts the energy of the pressure oil at the oil pump outlet into compression energy and stores it. It can also convert the compression energy into hydraulic energy and release it when the oil pump stops, so as to replenish the supply system. The outlet pipeline of the accumulator is fixedly connected to the integrated port of the pressure oil source. The one-way valve is set to ensure that the system is still in a pressure-maintaining state when the oil pump stops, and can also prevent oil from flowing back and damaging the oil pump.
[0006] In one embodiment, the oil return tank and the one-way valve are further connected via an oil return pipe of an oil pressure pump overflow valve; According to this embodiment, the oil pump uses the relief valve to adjust the outlet oil supply pressure, and the overflowed oil flows back to the oil return tank through the oil return pipe of the oil pump relief valve.
[0007] In one embodiment, the oil return pipeline includes a system main oil return pipe connected to the oil return tank, the system main oil return pipe is respectively connected to a system oil return pipe and a system manual oil drain pipe, the system oil return pipe is connected to the system oil return integrated port, the system manual oil drain pipe is connected to the oil outlet pipe between the one-way valve and the accumulator, and the system manual oil drain pipe is provided with a valve and a pressure gauge; Through this embodiment, the valve is a manual oil drain valve of the system, which can be kept closed when the teaching platform is operating normally. When the test is completed or a fault occurs, this valve can be opened to relieve pressure and drain oil from the system. The pressure gauge is used to assist the oil pump in adjusting the outlet pressure and monitoring the system pressure through the overflow valve.
[0008] In one embodiment, the hydraulic valve group includes a magnetic base and a valve group arranged on the magnetic base, and the oil port of the valve group is further provided with a valve group quick connector, and the valve group quick connector is a male connector.
[0009] In one embodiment, both ends of the oil circuit connecting pipe are provided with pipeline quick connectors, and the pipeline quick connectors are female connectors corresponding to the valve group quick connectors.
[0010] In one embodiment, the cylindrical valve includes a cylindrical body and a servomotor connected to each other, and an upper chamber oil port and a lower chamber oil port are respectively provided at both ends of the servomotor. A piston and a lifting rod connected to the piston are also provided in the servomotor, and the lifting rod has an external thread at the end away from the piston, and a threaded hole corresponding to the external thread is provided at the top of the cylindrical body.
[0011] In one embodiment, the cylindrical valve arrangement area is provided with a servomotor placement plate, and the servomotor placement plate is provided with a plurality of lifting rod through holes for the lifting rods to pass through.
[0012] In one embodiment, the power supply line of the power supply module is led along the interior of the operating panel to the oil pressure device arrangement area, and the power supply module includes a plurality of power supply areas arranged side by side, each of which is provided with an electromagnet power supply hole, a reversing button, and a stop button; Through this implementation, the power supply module supplies power to components such as the oil pump motor, solenoid valve, and sensor. Multiple power supply areas can freely arrange power holes and function knobs as needed, which is convenient for wiring and personnel control.
[0013] In one embodiment, the surface of the hydraulic valve group arrangement area and the surface of the book-searching servomotor placement plate are both made of cold-rolled steel plates.
[0014] The present invention also provides a method for using a hydraulic system teaching platform for a cylindrical valve of a hydro-generator set, which includes the following steps: Step S1: Set up the platform, connect the oil pressure device and the power supply module, make the hydraulic valve group, the cylindrical valve and the oil connection pipe, and place them in the valve group placement area of the platform base; Step S2: Build the hydraulic system. According to the test requirements, select the corresponding hydraulic valve group in the valve group placement area and attach it to the hydraulic valve group layout area. Attach the servomotor of the cylindrical valve to the servomotor placement plate, and connect all oil ports using oil connection pipes. Step S3, teaching test, start the oil pressure pump to provide pressure oil to the system, and control the cylindrical valve to rise or fall by pressing the reversing button in the power supply module.
[0015] The beneficial effects of the present invention are: This teaching platform has multiple functional areas, and the multiple functional areas cooperate with each other. It has a simple structure, quick assembly and disassembly, safe and reliable use, low production cost, can be reused for a long time, and is simple and convenient to operate. By operating the power supply module to fully simulate the actual installation of the cylinder valve, students can intuitively understand key operations such as the seal adjustment of the cylinder valve, relay disassembly and assembly, and valve group assembly. It can quickly help hydropower station employees fill the gap between theoretical teaching and on-site practice, and avoid operational errors in actual maintenance work. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings, wherein: Figure 1 Shows a schematic structural diagram of the test platform of the present invention; Figure 2 Shows a schematic diagram of the oil pressure device system of the present invention; Figure 3 Shows a schematic structural diagram of the hydraulic valve group of the present invention; Figure 4 Shows a schematic structural diagram of the oil circuit connecting pipe of the present invention; Figure 5 Shows a schematic structural diagram of the cylindrical valve of the present invention; Figure 6 Shows a schematic structural diagram of the power supply module of the present invention; Figure 7 A schematic diagram showing the use of the teaching platform of the present invention is shown; In the drawings, like reference numerals are used for like parts, but the drawings are not necessarily true to scale.
[0017] Reference numerals: 1-test platform, 2-oil pressure device, 3-hydraulic valve group, 4-oil connecting pipe, 5-cylinder valve, 6-power supply area, 10-oil pressure device layout area, 11-hydraulic valve group layout area, 12-power supply module, 13-valve group placement area, 14-pressure oil source integrated port, 15-system return oil integrated port, 16-cylinder valve layout area, 20-return oil tank, 21-filter, 22-pressure oil pump, 23-accumulator, 24-valve, 25-pressure gauge, 26-check valve, 30-magnetic base, 31-valve group, 50-cylinder, 51-relay, 201-system main return oil pipe, 202-pressure oil pump Overflow valve oil return pipe, 231-outlet pipe, 311-valve group quick connector, 401-pipeline quick connector, 511-upper chamber oil port, 512-lower chamber oil port, 513-piston, 514-lifting rod, 601-left electromagnet power access hole, 602-right electromagnet power access hole, 603-left reversing button, 604-right reversing button, 605-stop button, 606-cable, 1101-surface of the oil pressure device layout area, 1102-flat section, 1601-lifting rod through hole, 1602-relay installation plate, 2011-system oil return pipe, 2012-system manual oil drain pipe. DETAILED DESCRIPTION
[0018] The present invention will be further described below with reference to the accompanying drawings.
[0019] The present invention provides a hydraulic system teaching platform for a cylindrical valve of a hydro-generator set, including a test platform 1 as a main basic structure, the test platform 1 includes a platform base, the platform base is provided with an oil pressure device arrangement area 10 and a valve group placement area 13, such as Figure 1 As shown, the oil pressure device layout area 10 is located at the lower left of the test platform 1, and has a double-leaf swing door, inside which an oil pressure device 2 is arranged, and the valve group placement area 13 is located on the right side of the oil pressure device layout area 10, that is, the lower right of the test platform, and has a single-leaf swing door, the interior of which is used to store valve groups, oil circuit connecting pipes 4, relays, sensors and other components. An operation panel is also installed on the platform base, and the operation panel is located on the surface of one end of the oil pressure device layout area 10. The operation panel includes a flat section 1102 and an inclined section. The inclined section is located at the bottom of the operation panel and extends obliquely toward the other end of the oil pressure device layout area 10. The surface 1101 at one end of the oil pressure device layout area and the surface of the flat section 1102 of the operation panel both have an adsorption layer to form a hydraulic valve group layout area 11 for adsorption of the hydraulic valve group 3. The inclined section of the operation panel is provided with a pressure oil source integrated port 14 and a system return oil integrated port 15 connected through the oil circuit connecting pipe 4, and a power supply module 12 is also provided on the top of the flat section 1102 of the operation panel. It should be noted that, according to the test project, the required hydraulic valve group 3 and cylindrical valve 5 can be selected in the valve group placement area 13, the hydraulic valve group 3 is adsorbed on the hydraulic valve group layout area 11, and the various oil ports are connected through the oil circuit connecting pipe 4, and the power supply module 12 is connected. The power supply module 12 can provide multiple voltage levels such as AC 380V, 220V and DC 24V, 12V for the entire teaching platform. The teaching test can be carried out by starting the oil pressure device 2. The operation is simple and convenient. By operating the power supply module 12 to realize various actions of the cylindrical valve 5, the trainees can intuitively understand key operations such as sealing adjustment of the cylindrical valve 5, disassembly and assembly of the relay, and assembly of the hydraulic valve group 3, thereby avoiding operational errors in actual maintenance work. Further, if Figure 2 As shown, the oil pressure device 2 consists of a return oil tank 20, a filter 21, a pressure oil pump 22, an accumulator 23, a valve 24, a pressure gauge 25 and a one-way valve 26, which can provide stable oil pressure power for the system and collect return oil. The return oil tank 20 and the one-way valve 26 are also connected through a pressure oil pump overflow valve return oil pipe 202. The return oil pipeline includes a system main return oil pipe 201 connected to the return oil tank 20, and the system main return oil pipe 201 is respectively connected to a system return oil pipe 2011 and a system manual oil drain pipe 2012. The system return oil pipe 2011 is connected to the system return oil integrated port 14, and the system manual oil drain pipe 2012 is connected to the oil outlet pipe between the one-way valve 26 and the accumulator 23. The system manual oil drain pipe 2012 is provided with a valve 24 and a pressure gauge 25; It should be noted that, in this embodiment, the system main oil return pipe 201 is an integrated pipeline of the system oil return pipe 2011 and the system manual oil drain pipe 2012. The system oil return pipe 2011 is fixedly connected to the system oil return integrated port 15. The filter 21 serves as an inlet filter for the oil pump 22 to ensure the oil quality of the oil inlet of the oil pump. The oil pump 22 is equipped with a relief valve to adjust the outlet oil supply pressure. The overflowing oil flows back to the return oil tank 20 through the oil pump relief valve return pipe 202. The accumulator 23 can convert the energy of the oil at the outlet of the oil pump into compression energy and store it, which can be used in the When the oil pump stops operating, the compression energy is converted into hydraulic energy and released to replenish the system. Its outlet pipe 231 is fixedly connected to the pressure oil source integrated port 14. Valve 24 is the system's manual oil drain valve, which remains closed when the teaching platform is operating normally. When the test is completed or a fault occurs, this valve can be opened to relieve pressure and drain the system. The pressure gauge 25 is used to assist the oil pump in regulating the outlet pressure and monitoring the system pressure through the relief valve. The one-way valve 26 ensures that the system remains in a pressure-maintaining state when the oil pump stops operating, and can also prevent oil from flowing back and damaging the oil pump 22. In one embodiment, Figure 3 As shown, each hydraulic valve group 3 includes a magnetic base 30 and a valve group 31 arranged on the magnetic base 30. The oil port of the valve group 31 is also provided with a valve group quick connector 311, and the valve group quick connector 311 is a male connector. Further, if Figure 4 As shown, both ends of the oil circuit connecting pipe 4 have a pipeline quick connector 401. The middle connecting pipe 40 is a hose. The pipeline quick connector 401 is a female connector corresponding to the valve group quick connector 311, that is, it can quickly and stably connect each hydraulic valve group 3 and the cylindrical valve 5; In one embodiment, Figure 5 As shown, the cylindrical valve 5 includes a cylindrical body 50 and a relay 51 connected to each other, which serves as an executive component of the teaching platform. The two ends of the relay 51 are respectively provided with an upper chamber oil port 511 and a lower chamber oil port 512. The relay 51 is also provided with a piston 513 and a lifting rod 514 connected to the piston 513. The end of the lifting rod 514 away from the piston 513 has an external thread. The top of the cylindrical body 50 is provided with a threaded hole corresponding to the external thread. Correspondingly, the cylindrical valve arrangement area 16 is provided with a relay placement plate 162. The relay placement plate 162 is provided with a plurality of lifting rod through holes 161 for the lifting rod 514 to pass through. At the same time, the lower end cover of the relay 51 is made of magnetic material to be adsorbed on the relay placement plate 162. In one embodiment, the power supply module 12 is used to supply power to electrical devices in the system. The power supply line of the power supply module 12 is led along the inside of the operating panel to the oil pressure device layout area 10. The power supply module 12 includes a plurality of power supply areas 6 arranged side by side. Each power supply area 6 is provided with an electromagnet power hole, a reversing button and a stop button. Each area is responsible for powering one to two components (referring to DC power supply such as 24V, 12V, etc.). The power supply layout of each area can be freely combined and arranged according to the situation. In this embodiment, taking the leftmost power supply area 6 as an example, and taking the layout method suitable for the electromagnetic reversing valve as an example, a left electromagnet power hole 601 and a right electromagnet power hole 602 are provided in the area. The electrical components draw power from the left electromagnet power hole 601 and the right electromagnet power hole 602 through a cable 606. The left reversing button 603, the right reversing button 604 and the stop button 605 can realize the separate power supply or de-energization of each circuit of the solenoid valve, thereby controlling the movement or reset of the valve core of the valve group; The present invention also provides a method for using a hydraulic system teaching platform for a cylindrical valve of a hydro-generator set, comprising the following steps: Step S1: Set up the platform, connect the oil pressure device and the power supply module, make the hydraulic valve group, the cylindrical valve and the oil connection pipe, and place them in the valve group placement area of the platform base; Step S2: Build the hydraulic system. According to the test requirements, select the corresponding hydraulic valve group in the valve group placement area and attach it to the hydraulic valve group layout area. Attach the servomotor of the cylindrical valve to the servomotor placement plate, and connect all oil ports using oil connection pipes. Step S3: Teaching test: start the oil pump to provide pressure oil to the system, and control the cylinder valve to rise or fall by pressing the reversing button in the power supply module; Step S4: Dismantle and store. After the test is completed, open the manual oil drain valve of the system to release the pressure oil into the oil return tank. Then, remove the oil connection pipes, cables, hydraulic valve group and cylindrical valve in sequence and store them in the valve group storage area. It should be noted that if Figure 7 As shown, prepare a variety of hydraulic valve groups 3, cylindrical valves 5 and oil connecting pipes 4 in advance and place them in the valve group placement area 13. Then, according to teaching needs, install the oil pressure device 2, power supply module 6, hydraulic valve group 3, oil connecting pipe 4 and cylindrical valve 5 on the test platform 1 in advance, turn on the oil pressure pump 22 to provide pressure oil to the system, check that there are no abnormalities in all places, and then manually press the left reversing button 604 of the solenoid valve. The lower chamber oil port 511 of the relay of the cylindrical valve 5 is connected to the pressure oil, and the upper chamber oil port 512 is connected to the return oil. The cylinder moves downward (the left reversing button here controls the cylindrical valve to rise, and the right reversing button controls the cylindrical valve to fall). In case of emergency, press the stop button 606, all the solenoid valve coils lose power, and the system can stop running immediately. After the test is completed, open the system manual oil drain valve to release the pressure oil into the return oil tank 20, and then remove the oil circuit connecting pipe 4, cable 606, hydraulic valve group 3 and cylindrical valve 5 and other components in sequence and store them in the valve group placement area 13. That is, by operating the power supply module 12 to fully simulate the actual installation of the cylindrical valve 5, the trainees can intuitively understand the key operations such as the seal adjustment of the cylindrical valve 5, the disassembly and assembly of the relay and the assembly of the hydraulic valve group 3, which can quickly help the hydropower station staff to fill the gap between theoretical teaching and on-site practice, and avoid operational errors in actual maintenance work; Among them, in step S2, it is also possible to simulate common fault defects of the hydraulic system such as internal leakage, obstruction, blockage, coil damage, etc. by using a faulty hydraulic valve group 3, oil circuit connecting pipe 4 and cylindrical valve 5. It is also possible to achieve various operating conditions such as double relay switch, four relay switch, six relay switch, etc. by changing the number of relays, so as to facilitate employees to familiarize themselves with various fault conditions in advance and avoid operational errors in actual maintenance operations. At the same time, in step S3, the maximum pressure of the pressure oil provided does not exceed 1.0 MPa to ensure safety during the test process.
[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "back", "inside", "outside", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention.
[0021] Although the present invention is described herein with reference to specific embodiments, it should be understood that these embodiments are merely illustrative of the principles and applications of the invention. It should be understood that many modifications may be made to the illustrative embodiments, and that other arrangements may be devised, without departing from the spirit and scope of the invention as defined by the appended claims. It should be understood that the various dependent claims and features described herein may be combined in ways other than those described in the original claims. It should also be understood that features described in conjunction with individual embodiments may be employed in conjunction with other described embodiments.
Claims
1. A hydraulic system teaching platform for cylindrical valves of hydro-generator sets, characterized by: The hydraulic pressure device is installed in the hydraulic pressure device layout area, and an operating panel is installed on the platform base. The operating panel is located on the surface of one end of the hydraulic pressure device layout area. The operating panel includes a flat section and an inclined section. The inclined section is located at the bottom of the operating panel and extends obliquely toward the other end of the hydraulic pressure device layout area. The surface of the other end of the hydraulic pressure device layout area and the surface of the flat section of the operating panel both have an adsorption layer to form a hydraulic valve group layout area for adsorption of the hydraulic valve group. The inclined section of the operating panel is provided with a pressure oil source integration port and a system return oil integration port connected by an oil circuit connecting pipe. A power supply module is also provided on the top of the flat section of the operating panel. A cylindrical valve layout area for installing a cylindrical valve is provided on the platform base, and the cylindrical valve layout area corresponds to the surface of the valve group placement area.
2. A hydraulic system teaching platform for cylindrical valves of hydro-generator sets according to claim 1, characterized in that: The oil pressure device includes a return oil tank, which is connected to the pressure oil source integration port through an oil outlet pipe. The return oil tank is connected to the system return oil integration port through a return oil pipeline. A filter, a pressure oil pump, a one-way valve and an accumulator are sequentially arranged on the oil outlet pipe along the oil outlet direction.
3. A hydraulic system teaching platform for cylindrical valves of hydro-generator sets according to claim 2, characterized in that: The oil return tank and the one-way valve are also connected through an oil return pipe of an oil pressure pump overflow valve.
4. A hydraulic system teaching platform for cylindrical valves of hydro-generator sets according to claim 2, characterized in that: The return oil pipeline includes a system main oil return pipe connected to the return oil tank, the system main oil return pipe is respectively connected to a system oil return pipe and a system manual oil drain pipe, the system oil return pipe is connected to the system return oil integrated port, the system manual oil drain pipe is connected to the oil outlet pipe between the one-way valve and the accumulator, and a valve and a pressure gauge are provided on the system manual oil drain pipe.
5. The hydraulic system teaching platform for the cylindrical valve of a hydro-generator set according to claim 1 is characterized in that: The hydraulic valve group includes a magnetic base and a valve group arranged on the magnetic base. The oil port of the valve group is also provided with a valve group quick connector, and the valve group quick connector is a male connector.
6. A hydraulic system teaching platform for cylindrical valves of hydro-generator sets according to claim 5, characterized in that: Both ends of the oil circuit connecting pipe are provided with pipeline quick connectors, and the pipeline quick connectors are female connectors corresponding to the valve group quick connectors.
7. The hydraulic system teaching platform for the cylindrical valve of a hydro-generator set according to claim 1 is characterized in that: The cylindrical valve includes a cylindrical body and a servomotor connected to each other, and an upper chamber oil port and a lower chamber oil port are respectively provided at both ends of the servomotor. A piston and a lifting rod connected to the piston are also provided in the servomotor, and the lifting rod has an external thread at the end away from the piston, and a threaded hole corresponding to the external thread is provided at the top of the cylindrical body.
8. A hydraulic system teaching platform for cylindrical valves of hydro-generator sets according to claim 7, characterized in that: The cylindrical valve arrangement area is provided with a servomotor placement plate, and the servomotor placement plate is provided with a plurality of lifting rod through holes for the lifting rods to pass through.
9. The hydraulic system teaching platform for cylindrical valves of hydro-generator sets according to claim 1 is characterized in that: The power supply line of the power supply module is led along the inside of the operating panel to the oil pressure device layout area. The power supply module includes multiple power supply areas arranged side by side, and each power supply area is provided with an electromagnet power supply hole, a reversing button and a stop button.
10. A hydraulic system teaching platform for cylindrical valves of hydro-generator sets according to claim 8, characterized in that: The surface of the hydraulic valve group arrangement area and the surface of the book-searching relay placement plate are both made of cold-rolled steel plates.
11. A method for using a hydraulic system teaching platform for a cylindrical valve of a hydro-generator set, based on the teaching platform for a hydraulic system of a cylindrical valve of a hydro-generator set according to any one of claims 1 to 10, characterized in that: The steps include: Step S1: Set up the platform, connect the oil pressure device and the power supply module, make the hydraulic valve group, the cylindrical valve and the oil connection pipe, and place them in the valve group placement area of the platform base; Step S2: Build the hydraulic system. According to the test requirements, select the corresponding hydraulic valve group in the valve group placement area and attach it to the hydraulic valve group layout area. Attach the servomotor of the cylindrical valve to the servomotor placement plate, and connect all oil ports using oil connection pipes. Step S3, teaching test, start the oil pressure pump to provide pressure oil to the system, and control the cylindrical valve to rise or fall by pressing the reversing button in the power supply module.