DYWJJ-01 transparent hydraulic and excavator experimental device

Release time：2024-05-11 07:00viewed：times

1. M*n technical parameters
1. Power supply: AC220V 50HZ
2. DC power input AC220V output DC24V/3A
3. Programmable controller ( plc ): Mitsubishi FX1S-20MR host 12 inputs and 8 outputs (relay output mode)
4. Hydraulic experimental pump Motor power: 250W, speed range 0-1500r/min, noise when the hydraulic pump is working ≤58dB, the required pressure of the oil flow in the demonstration experiment is only 0.3-1.3Mpa (maximum pressure of the oil pump: Pmax=2.5Mpa)
5. Electromagnetic exchanger Directional valve: AC220V, suction power 3Mpa
6. Appearance dimensions of the tr*ning platform
: 1500mm×650mm×1700mm 7. Total dimensions of the excavator tr*ning platform during excavation: 1850mm×650mm×1850mm
2. Features:
1. In the original transparent hydraulic Dozens of basic loops of the PLC control tr*ning device have been added to simulate various actions of real excavator working devices.
2. The transparent excavator hydraulic test bench can simulate various actions of the real excavator working device. The hydraulic system is made of imported transparent plexiglass hydraulic components and transparent nylon hoses. The structure and working principle of the hydraulic components and the working principle of the hydraulic circuit are clear at a glance. The entire experimental bench has the advantages of image, intuitiveness, convenience and reliability.
3. The transparent hydraulic test bench is m*nly composed of test tables, test supports, hydraulic components, electrical control devices, programmable controllers (PLC) and other components.
4. Equipped with all common hydraulic components: Each hydraulic component is equipped with a mounting base plate, which can conveniently and arbitrarily place the hydraulic components on the aluminum alloy profile panel (the panel has an aluminum alloy profile structure in the form of a "T" groove). The oil circuit overlap adopts quick-change joints, which are easy to disassemble and connect without oil leakage.
5. The electrical m*n control unit is controlled by PLC programmable controller, which can communicate with PC microcomputer to realize microcomputer intelligent control. At the same time, the hydraulic circuit is used as the control object to strengthen the learning and application of PLC control programmable controller.
6. The experimental control unit can also use an independent relay control unit for electrical control. Through comparison, the superiority and advancement of PLC programmable control will be highlighted, and the understanding and mastery of PLC programmer will be deepened.
3. M*n functions:
1. Really demonstrate the excavation, unloading, lifting and other actions of the excavator working device;
2. Understand the composition and working principle of the excavator hydraulic system, the internal structure and working process of each component;
3. Conduct the excavator hydraulic system Disassembly, assembly, and electrical control system loop experiments;
4. Conduct measurement experiments on parameters such as pressure of the excavator hydraulic system.
4. Reversing circuit of basic hydraulic experiments
1. Reversing circuit using manual reversing valve.
2. Use the locking circuit of the reversing valve with neutral position function.
3. Use the locking circuit of the hydraulically controlled horizontal valve.
4. Pressure setting circuit.
5. Secondary pressure control circuit.
6. Use the pressure reducing circuit of the pressure reducing valve.
7. Use the booster circuit of the booster cylinder.
8. Use the unloading circuit of the H-type reversing valve.
9. Oil inlet throttle speed regulating circuit.
10. Oil return throttle and speed regulating circuit.
11. The reversing speed regulating circuit of the speed regulating gear pump.
12. A composite speed regulating circuit composed of a speed regulating gear pump and a speed regulating valve.
13. Speed switching circuit with short circuit of flow valve.
14. Use the secondary feed path connected in series with the speed control valve.
15. Use the same secondary feed path with speed control valve in parallel.
16. Use the sequence action circuit of the sequence valve.
17. Use a pressure relay sequence action circuit.
18. Sequential action loop controlled by travel switch.
19. Use the sequential action circuit of the stroke reversing valve.
20. Synchronous circuit of series hydraulic cylinders.
21. Reversing circuit controlled by pilot relief valve
22. Hydraulic excavator hydraulic circuit
5. 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 and can The movement is controlled by the keyboard, and the camera direction is controlled by the mouse. The interface is equipped with home page, help, full screen, component recognition, circuit construction, key component testing, and typical system testing interfaces.
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 proceed to the next step to turn on the machine. Follow the prompts to turn on the machine. 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 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 through the keyboard, the mouse controls the direction of the lens, and the mouse wheel controls the distance of the screen, 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) Electrical component connection: According to the electrical wiring diagram, connect the power line and control line, 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 supply 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.
6. List of transparent hydraulic PLC control tr*ning devices (excavator hydraulic tr*ning bench )

serial number	Name	model	quantity	Remark
1	Tr*ning table		1 piece
2	Tr*ning platform		1 set
	Excavator tr*ning bench		1 set
3	PLC host module	Mitsubishi FX1S-20MR	1 piece
4	Power module		1 piece
5	Relay control module		1 piece
6	PLC control button module		1 piece
7	Motor	1102YT102	1 set
8	gear pumps	CB-B6	1
9	tank		1
10	Lifting cylinder	Transparent components	1
11	Curved arm cylinder	Transparent components	1
12	Bucket cylinder	Transparent components	1
13	Bent arm	Organic glass processing parts	1
14	str*ght arm	Organic glass processing parts	1
15	bucket	Organic glass processing parts	1
16	base bracket	Organic glass processing parts	1 set
17	link	Organic glass processing parts	1 set
18	Connector	Processed parts	1 set
19	Leather tube connection module	Transparent organic glass processing parts	1
20	Double-acting cylinder (with stroke impact block)	Transparent components	2
twenty one	Two-position two-way solenoid directional valve	Transparent components	1
twenty two	Two-position four-way solenoid directional valve	Transparent components	2
twenty three	Three-position four-way solenoid directional valve	(O type) transparent element	3
twenty four	Three-position four-way solenoid directional valve	(H type) transparent element	1
25	Three-position four-way solenoid directional valve	(M type) transparent element	1
26	Spring return cylinder	Transparent components	1
27	Pressurized cylinder	Transparent components	1
29	One-way valve	Transparent components	2
30	Hydraulic control check valve	Transparent components	2
31	Relief valve (direct acting)	Transparent components	2
32	Relief valve (pilot type)	Transparent components	1
33	Throttle valve (direct acting)	Transparent components	1
34	Control Valve	Transparent components	2
35	sequence valve	Transparent components	2
36	Pressure reducing valve	Transparent components	1
37	Two-position four-way stroke directional valve	Transparent components	1
38	Three-position five-way manual directional valve	Transparent components	1
39	pressure relay	Transparent components	1
40	pressure gauge	Transparent components	3
41	tee joint	Transparent components	7
42	Four-way connector	Transparent components	3
43	Travel switch (normally open)		2
44	Travel switch (normally closed)		2
45	Transparent hydraulic hose		20 meters
46	oil pan		1
47	Hydraulic oil	L-HL46	5kg
48	Solenoid valve universal connection line		3 items
49	Pressure relay plug wire		1 item
50	Programming cable (adapter)	Mitsubishi	1 item
51	Screwdriver (slotted, cross)	3×80mm	2 handfuls
52	Scissors
53	movable wrench
54	Needle nose pliers
55	Hexagonal wrench M5
56	Hexagonal wrench M6
57	Internal circlip pliers
58	External circlip pliers
59	Various sealing rings
60	Quick oil connector		5
61	Practical Tr*ning Instructions		1 volume
62	CD (Mitsubishi PLC programming software and control program)

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