DYYY-04A Industrial Hydraulic Transmission Comprehensive Training Platform

Release time：2024-05-12 20:30viewed：times

The industrial hydraulic comprehensive test bench 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 Basic circuit experiment of hydraulic transmission:
1. Pressure regulating circuit of relief valve
2. Pressure reducing circuit of pressure reducing valve
3. Unloading circuit of reversing valve
4. Unloading circuit of pilot relief valve
5. Throttle valve inlet Oil throttling and speed regulating circuit
6. Throttle valve return oil throttling and speed regulating circuit
7. Speed regulating valve inlet oil throttling and speed regulating circuit
8. Speed regulating valve return oil throttling and speed regulating circuit
9. Throttle valve pressure transformer Flow speed control circuit
10. Speed control valve variable pressure throttling speed control circuit
11. Electrical stroke switch sequence action circuit
12. Use PLC to control hydraulic circuits and systems
② Programmable controller (PLC) electrical control experiment, electromechanical and hydraulic integrated control Experimental 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
Hydraulic pump unit components: (double pump unit)
System rated working pressure: 6Mpa. (Maximum up to 7Mpa)
(1) Motor -pump device (2 units)
A. Fixed vane pump: nominal discharge 12ml/r, volumetric efficiency 90%;
fixed vane pump drive motor: three-phase AC voltage, power 2.2 kw, speed 1450r/min;
equipped with pilot relief valve.
B. Variable vane pump: low-pressure variable vane pump, nominal displacement 12ml/r, pressure adjustment range 4~7Mpa;
variable vane pump motor: three-phase AC voltage, power 1.5KW, speed 1450r/min;
(2) Fuel tank: nominal Volume 100L; equipped with liquid level and oil temperature indicators, oil suction and oil return filters, safety valves, etc.;
(3) High-quality hydraulic oil: PetroChina 32# anti-wear hydraulic oil
(4) Air cooler: pressure 0- 1.6Mpa; flow rate: 40L;
③ Commonly used hydraulic components
are m*nly Bosch Rexroth Beijing Huade components. For configuration det*ls, see the configuration list.
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

Experiment bench	Welded steel structure	1 set
Universal wheel	With self-locking function; roller bearing	4
Special pump station control system (1 set)	Open with leakage protection	1
	AC contactor	2
	220V relay	2
	emergency button	1
	Button (red, green)	2 each
	indicator light	2 sucks
	emergency button	1 each
Variable vane pump + drive motor	Rated displacement: 12ml/r Rated pressure: 7MPa Rated power: 1.5kw Rated voltage: AC380V	1 set
Fixed vane pump + drive motor	Rated displacement: 12ml/r Rated pressure: 7MPa Rated power: 2.2kw Rated voltage: AC380V	1 set
tank	Rated volume 100L	1
*r filter	HS-1163	1
oil suction filter	MF-04	1
Oil temperature and oil level gauge	LS-3	1
oil pipe	1.5 m	2 pieces
Double acting hydraulic cylinder assembly	Component model: MOB-40*150-LB Maximum stroke: 150mm Bore size 40	2
Throttle valve stop valve assembly	Component model: DV12-1-10B/	2
Relief valve (direct-acting) components	Component model: DBDH6P10B/100 Component model: FQ-DH6P-2F	2
Relief valve (pilot type) components	Component model: DB10-1-30B/315 Component model: FQ-DB10-3F	1
One-way speed regulating valve assembly	Component model: 2FRM5-31B/15QB Component model: FQ-2FRM5-2F	1
Pressure reducing valve assembly	Component model: DR10-1-30B/100Y Component model: FQ- DR10-2F	1
Two-position four-way solenoid valve assembly	Component model: 4WE6C61B/CG24N9Z5L Component model: FQ-4WE6C-3F	2
Three-position four-way solenoid directional valve (O) components	Component model: 4WE6E61B/CG24N9Z5L Component model: FQ-4WE6E-3F	1
Three-position four-way solenoid directional valve (M) components	Component model: 4WE6G61B/CG24N9Z5L Component model: FQ-4WE6G-3F	1
Four-way components	Component model: FQ-4T-3F	2
Glycerin pressure gauge components	Component model: FQ-10MP a-1F-1M	2
High pressure oil hose assembly	Component model 10-1-25.6MP a-2M-0.7	5 sticks
High pressure oil hose assembly	Component model 10-1-25.6MP a-2M-1.0	10 sticks
Hydraulic valve transition base plate	A special base plate for hydraulic valves is installed on the valve	20 yuan
Quick change connector male connector	Open and close hydraulic quick connector	90 pieces
Quick change connector female connector	Open and close hydraulic quick connector	56
Dosing pump oil inlet assembly		1
Dosing pump pressure regulating component	DB10-1-30B/315	1
Variable pump oil inlet assembly		1
Variable pump pressure regulating component	DB10-1-30B/315	1
System oil return components		1
Hydraulic oil	32# anti-wear hydraulic oil	60 liters
PLC input and output module	Component model: FQ-PLC-IN/OUT PLC: Mitsubishi FX1S-20MR 20 points	1 set
Proximity switch	DC24V two-wire system	4
Special bracket for proximity switch	Aluminum profiles, professional mold making	4 sets
PLC programming cable		1
Power strip	AC250V three holes	1
Product manual	Instructions, instructions	1 volume
Essential tools for equipment m*ntenance	1 set of hexagonal wrenches (9 pieces), 1 each of screwdrivers "+" and "-", 1 movable wrench 12 inches, 1 center spanner 17-19 19-22, 1 each, 1 needle-nose pliers	1 set

Previous：DYYY-03B Transparent Hydraulic and Pneumatic Comprehensive Training Platform

Next：Dyyy-JY industrial hydraulic transmission training platform