Dyyy-JY industrial hydraulic transmission training platform

Release time：2024-05-12 22:00viewed：times

The industrial hydraulic and pneumatic comprehensive test bench (hydraulic part) is an experimental bench designed according to the characteristics of modern teaching and the requirements of the latest hydraulic transmission course syllabus. It uses advanced Rexroth technology hydraulic components and unique modularity to form a system combination that is easy to plug in, meeting the experimental teaching requirements of hydraulic transmission tutorials for students in colleges and universities, secondary vocational schools and vocational technical schools; achieving the goal of tr*ning students The purpose of improving and strengthening students' innovative design abilities is through hands-on, design and comprehensive application abilities.
1. M*n features:
1. The system all uses standard industrial hydraulic components, which is safe and reliable to use and close to industrialization.
2. The fast and reliable connection method and the special sealing interface ensure that the experimental assembly is convenient and fast, and the disassembly does not leak oil and is clean.
3. Accurate measuring instrument, convenient measurement method, easy to use, accurate and reliable measurement.
4. Use programmable controller ( plc ) to communicate with microcomputer to realize electrical automation control, online programmable monitoring and fault detection.
① Performance test of commonly used hydraulic components
1. Characteristic test of hydraulic pump
2. Characteristic test of relief valve (static test)
3. Characteristic test of throttle speed regulating valve
② Basic circuit experiment of hydraulic transmission:
1. Pressure regulation of relief valve Circuit
2. Simple pressure adjustment circuit
3. Relief valve buffer circuit
4. Secondary pressure circuit
5. Bidirectional pressure adjustment circuit
6. Pressure regulating circuit of multiple relief valves
7. Pressure reducing circuit of pressure reducing valve
8. Replacement Unloading circuit of the pilot relief valve
9. Unloading circuit of the pilot relief valve
10. Balance circuit of the sequence valve
11. Speed adjustment circuit
12. Speed control valve short-circuit speed switching circuit
13. Throttle valve oil inlet throttle adjustment Speed circuit
14. Throttle valve return oil throttling and speed regulating circuit
15. Speed regulating valve oil inlet throttling and speed regulating circuit
16. Speed regulating valve return oil throttling and speed regulating circuit
17. Throttle valve variable pressure throttling and speed regulating circuit
18. Speed regulating valve variable pressure throttling and speed regulating circuit
19. Inlet oil throttling and speed regulating circuit
20. Return oil throttling and speed regulating circuit
21. Direction control circuit
22. Pressure m*nt*ning (self-locking) circuit
23. Double cylinder working control Circuit
24. Sequence valve sequence action circuit
25. Electrical travel switch sequence action circuit
26. Pressure relay sequence action circuit
27. Use PLC to control hydraulic circuits and systems
28. Hydraulic transmission performance tr*ning
④ Extended hydraulic circuit experiment designed and assembled by students themselves Up to 80 types.
⑤ Programmable controller (PLC) electrical control experiment, electromechanical and hydraulic integrated control experiment form.
      1. Learning of PLC instruction programming and ladder diagram programming
      2. Learning and use of PLC programming software
      3. Communication between PLC and computer, online debugging and monitoring
      4. Optimization of PLC for hydraulic transmission control
2. Experimental bench composition:
① Experiment Workbench
The experimental workbench is composed of an iron m*n body and an aluminum alloy panel (T-shaped hook groove).
Workbench size: length × width × height = 1940mm × 700mm × 1800mm (about 300kg after packaging)
② Hydraulic pump station
System rated working pressure: 6.3Mpa. (Maximum up to 7Mpa)
⑴. Motor -pump device (1 unit)
variable vane pump-motor 1 unit:
variable vane pump: one-way, nominal displacement 6.67mL/r, volumetric efficiency 90%;
motor: three-phase AC voltage , power 2HP 4P, speed 1450r/min;
⑵. Fuel tank: nominal volume 45L; equipped with liquid level and oil temperature indicators, oil suction and return oil filters, safety valves, etc.
③ Commonly used hydraulic components
are Bosch Rexroth Beijing Huade components M*nly, please see the configuration list for configuration det*ls.
Each hydraulic component is equipped with an oil path transition base plate, which allows the hydraulic components to be placed conveniently and arbitrarily on the aluminum panel.
④ Electrical measurement and control unit
programmable controller (PLC): Mitsubishi series, 20 I/O ports, relay output form, power supply voltage: AC 220V/50Hz, control voltage is DC24V, equipped with manual, automatic, sequence and other control functions .
⑤Virtual simulation system
Virtual simulation tr*ning software
Hydraulic and pneumatic transmission design and control virtual simulation software
This software is developed based on unity3d. The software adopts the form of three-dimensional roaming. Movement can be controlled by the keyboard and the lens direction can be controlled by the mouse. The interface has homepage, help, and full screen , component recognition, circuit construction, key component testing, typical system testing interface.
1. Component identification adopts the form of automatic playback, which introduces the m*lbox, liquid level gauge, oil pump unit on the equipment (the pop-up hydraulic symbols, principles and introduction are introduced here, click OK to enter the next introduction), valve frame, and pressure gauge. , sensors , etc.
2. The disassembly and assembly of components is divided into learning mode and assessment mode. There are built-in electromagnetic reversing valves, plate relief valves, plunger pumps, filter valves, and electro-hydraulic servo valves. In the learning mode, the disassembly sequence is prompted and highlighted. There are no prompts for disassembly and installation in assessment mode. If the disassembly and assembly sequence is wrong, the next step of disassembly and assembly will no longer be possible. The toolbar is equipped with draggable seals, pumps, valves, oil filters, hex wrenches, pipe wrenches, adjustable wrenches, dead wrenches, and M5 screws.
3. The hydraulic components are equipped with one-way valve (hydraulic control, poppet valve core, ball valve core), m*n structure of the reversing valve (O type, Y type, H type), hydraulic cylinder (assembled plunger, double-acting single outlet rod) , double-action double-output rod, single-action double-output rod, single-action single-output rod), etc. Each construction experiment adopts a graphical method and is constructed by dragging the set graphics. In the graphics library There are confusing graphics.
4. Hydraulic selection is based on the hydraulic schematic diagram, and then selects the nominal displacement of the pump (12 items, including 11 confusing items) and pressure level (5 items, including 4 confusing items), and the selection of the solenoid relief valve (3 specifications, 3 pressure levels, and 3 flow levels, all of which have confusing items), oil filter selection (multiple choices include confusing items), servo valve selection (multiple choices include confusing items), and the wrong selection system will Automatically prompt the correct answer. After selecting, drag the corresponding tool to the highlighted area according to the prompt.
5. Circuit inspection is done by selecting the correct accessories, including the selection of sealing rings, checking valve switches, etc. Then the next step is to turn on the machine. Turn it on according to the prompts. After turning on the machine, enter the monitoring interface. Turn on the equipment one by one according to the prompts. The prompts are in the form of text and button highlighting.
6. Hydraulic cylinder pressure test. Enter the experiment through the test button on the background interface and gradually analyze it. To start friction test, start friction force, parameter setting, start test, draw curve, stop test.
7. Typical system tests are divided into trial operation, stage response test and frequency response test. The above tests are all conducted through the background monitoring interface.
8. The software must be able to rotate, zoom in and out in all directions to view its det*ls. And the same platform as a whole cannot be displayed as separate resources.
Microcontroller , PLC programmable design and control virtual simulation software.
This software is developed based on unity3d. It has built-in task books and experimental prompts. It adopts the form of three-dimensional roaming. Movement can be controlled by the keyboard, the direction of the lens can be controlled by the mouse, and the distance of the picture can be controlled by the mouse wheel, which can be 360 degrees. Rotating, three-dimensional wall p*nted with electrical diagrams.
1. Equipment component assembly: Follow the highlighted prompts to find the component control rack. You can drag components from the component library according to the electrical component layout diagram and place them on the component control rack. The component library is equipped with control panels, switching power supplies, micro relays, and PLCs. , frequency converter, stepper motor, AC motor, servo motor, servo driver, stepper driver, interface board, operation panel, circuit breaker, servo motor interface, digital display voltmeter, there will be a prompt when the selection is wrong.
2. Technical indicator measurement: Select the multimeter to check the servo motor connection cable and the servo driver with BOP panel. Adjust the left and right buttons to the ohm level, drag the black and red test leads and insert them into the R, S, T, U, V, W, and ground phases respectively for testing. For resistance value, according to the highlighted prompt, find the power switch in the scene, drag the pen or multimeter to measure whether the power is on.
3) Connection of electrical components: According to the electrical wiring diagram, connect the power lines and control lines, highlight the interface, connect the driver, interface board, power line, servo motor, encoder, PLC, and relay in order, and turn on the m*n power After turning on the switch, servo power switch, and faulty circuit switch, a fault code will be prompted, and you can select the cause of the fault from three items.
4) Parameter adjustment test: Turn on the power to adjust the speed, set the driver parameters according to the requirements of the mission statement, perform inching control/analog speed adjustment/multi-stage speed control, and observe the three-dimensional servo motor motion control. Select any of the 6 PLC programs and then adjust the servo drive analog speed. The PLC parameters are adjustable. Set the drive parameters and enter the three-dimensional servo motor motion control interface and electrical display interface. The operation panel is equipped with servo start, low speed, medium Speed, high speed, servo stop, torque limit, abnormal reset, forward/reverse rotation selection, 0-10 sliding control (the electrical panel displays the value in real time).
5) Inspect the three-dimensional virtual simulation machine of the servo system mask machine, observe its structure, inject fault points, select multiple fault causes, and locate faults. Connect the fault causes with the corresponding detection and positioning methods, and troubleshoot after selecting the correct ones. Connect the cause of the f*lure with the corresponding solution.
6) Control process plan, optional single machine mode and online mode of inching control/analog speed regulation/multi-stage speed regulation control, call up the control panel, display the operation of 3 production lines, perform real-time control, optional inching, low and medium High speed, start and stop control, adjustable speed. According to the control plan, the system automatically determines the performance of the production line and submits a disclosure record.
Industrial hydraulic comprehensive test bench configuration list

Experimental operating table
1	Experiment bench	Welded steel structure	1 set	Chinese teachings
2	Universal wheel	With self-locking function; roller bearing	4	Install the bottom of the experimental bench
3	foot pads	adjustable fixed	4	Install the bottom of the experimental bench
Hydraulic power station
4	Special pump station control system (1 set)	Open with leakage protection	1	CHNT
5		AC contactor	2	CHNT
6		220V relay	2	Omron
7		emergency button	1	Chinese teachings
8		Button (red, green)	2 each	Chinese teachings
9		indicator light	2 sucks	Chinese teachings
10		emergency button	1 each	Chinese teachings
11	Variable vane pump + drive motor	Rated displacement: 6.67ml/r Rated pressure: 6.3MPa Rated power: 1.5kw Rated voltage: AC380V	1 set	Chinese teachings
12	Accumulator	NXQ-1L	1 set	K*hong Hydraulic
13	tank	Rated volume 45l	1	Chinese teachings
14	*r filter	HS-1163	1	Densheng Hydraulic
15	oil suction filter	MF-04	1	Densheng Hydraulic
16	Pilot operated relief valve	DB10	1	SUPER
17	Pilot operated relief valve block		1 set	Chinese teachings
18	Oil temperature and oil level gauge	LS-3	1	Densheng Hydraulic
19	One-way valve	S10A12B/	2	Huade Hydraulic
20	*r cooler	AW0607-CA1∮220V	1	Hengchang
twenty one	pressure gauge	YN-60 0-10MPa	2	Feitian Hydraulic
twenty two	oil pipe	1.5 m	2 pieces	Chinese teachings
Hydraulic accessories
twenty three	Double acting hydraulic cylinder assembly	Component model: MOB-50*200-LB Maximum stroke: 200mm Bore size 50	2	TIANYU
twenty four	Throttle valve stop valve assembly	Component model: DV8-1-10B/	2	Huade Hydraulic
25	One-way valve assembly	Component model: S8A02B/	2	Huade Hydraulic
26	Hydraulic control check valve assembly	Component model: SV10PB1-30B/ Component model: FQ-SV10-3F	1	Huade Hydraulic
27	Relief valve (direct-acting) components	Component model: DBDH6P10B/100 Component model: FQ-DH6P-2F	2	Huade Hydraulic
28	Relief valve (pilot type) components	Component model: DB10-1-30B/315 Component model: FQ-DB10-3F	1	Huade Hydraulic
29	Sequence valve components	Component model: DZ10-1-30B/210YM Component model: FQ-DZ6-3F	2	Huade Hydraulic
30	One-way speed regulating valve assembly	Component model: 2FRM5-31B/15QB Component model: FQ-2FRM5-2F	1	Huade Hydraulic
31	Pressure reducing valve assembly	Component model: DR10-1-30B/100Y Component model: FQ- DR10-2F	1	Huade Hydraulic
32	Two-position three-way electromagnetic reversing valve assembly	Component model: 3WE6A61B/CG24N9Z5L Component model: FQ-3WE6A-3F	1	Huade Hydraulic
33	Two-position four-way solenoid valve assembly	Component model: 4WE6C61B/CG24N9Z5L Component model: FQ-4WE6C-3F	2	Huade Hydraulic
34	Three-position four-way solenoid directional valve (O) components	Component model: 4WE6E61B/CG24N9Z5L Component model: FQ-4WE6E-3F	1	Huade Hydraulic
35	Three-position four-way solenoid directional valve (M) components	Component model: 4WE6G61B/CG24N9Z5L Component model: FQ-4WE6G-3F	1	Huade Hydraulic
36	Two-position four-way manual reversing valve assembly	Component model: 4WMM6E50B/ Component model: FQ-4WMM6E-3F	1	Huade Hydraulic
37	Pressure relay components	Component model: HED80A1X/100Z14KW Component model: FQ-HED8-1M	1	Huade Hydraulic
38	Four-way components	Component model: FQ-4T-3F	4	Chinese teachings
39	Glycerin pressure gauge components	Component model: FQ-10MP a-1F-1M	4	relda
40	High pressure oil hose assembly	Component model 10-1-25.6MP a-2M-0.7	10 sticks	Chinese teachings
41	High pressure oil hose assembly	Component model 10-1-25.6MP a-2M-1.0	15 pieces	Chinese teachings
42	Hydraulic valve transition base plate	A special base plate for hydraulic valves is installed on the valve	20 yuan	Chinese teachings
43	Quick change connector male connector	Open and close hydraulic quick connector	90 pieces	Wellcome
44	Quick change connector female connector	Open and close hydraulic quick connector	56	Wellcome
45	Oil inlet and oil separation components	Component model: 4P-4F	1 set	Chinese teachings
46	Oil return and oil separation components	Component model: 4T-4F	1 set	Chinese teachings
47	Hydraulic oil	32# anti-wear hydraulic oil	40 liters	PetroChina
control Panel
48	PLC input and output module	Component model: FQ-PLC-IN/OUT PLC: Mitsubishi FX1S-20MR 20 points	1 set	Chinese teachings
49	time delay module	Component model: FQ-YS-001	1 set	Chinese teachings
appendix
50	Proximity switch	DC24V two-wire system	4	Industrial parts
51	Special bracket for proximity switch	Aluminum profiles, professional mold making	4 sets	Chinese teachings
52	PLC programming cable		1	Mitsubishi
53	Power strip	AC250V three holes	1	bull
54	Product manual	Instructions, instructions	1 volume	Chinese teachings
55	Essential tools for equipment m*ntenance	1 set of Allen wrenches (nine-piece set), 1 screwdriver (nine-piece set), 2 12-inch adjustable wrenches, 1 needle-nose pliers	1 set	Standard Parts

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