DYYY-FB Hydraulic Pump Pump Valve Performance Test Training Device

Release time：2024-05-17 08:31viewed：times

Overview and features of the experimental bench
1. The entire experimental bench is made of 2mm cold-rolled steel plate by electrostatic spraying. There is a component cabinet at the bottom of the experimental bench, which can place experimental components and tools. The overall appearance is beautiful and generous; there are 4 modules installed at the bottom of the experimental bench. Universal casters for easy movement.
2. The experimental bench has a vertical layout, modular design of the bench, and a universal "U" groove form of the experimental board. It is simple and convenient to operate and has good expansibility.
3. All hydraulic components have aluminum alloy bottom plates. The experimental pipelines are fixed and connected with copper pipes on the back. The installation is firm, safe and reliable. The pressure and flow are adjusted on the front of the experimental bench.
4. The system all adopts standard Industrial hydraulic components are safe, reliable and truly industrial. All hydraulic valves adopt internationally advanced Rexroth technology hydraulic components, and their performance parameters fully comply with industrial application standards;
5. Have diversified experimental control methods. The experimental circuit has mechanical control and traditional relay control, which allows the experimenter to have an all-round and multi-level in-depth understanding of the control diversification of the hydraulic system to tr*n students' flexible application capabilities;
6. There are two top-loading loaders installed on the horizontal platform. The oil cylinder has good rigidity and high experimental accuracy; it can realize the alignment of two oil cylinders. The table top is welded with a 10mm thick loading plate to ensure that the table top is not deformed during experiments.
7. Equipped with advanced high-precision measuring instruments, such as high-stability data measuring instruments;
8. The experimental bench is equipped with an oil collection device to avoid oil leakage
; 9. The pump source of the hydraulic station supplies oil to the quantitative pump, which is placed in the experimental At the bottom of the bench, the performance test of the quantitative pump can be carried out at the same time.
10. The experimental bench is equipped with det*led experimental operations and instructions, and experimental instructions, which are close to the teaching materials and reality.
11. 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 home page, help, full screen, component recognition, and 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 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.
8. Microcontroller and 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. Rotated 360 degrees, the three-dimensional wall has electrical diagrams p*nted on it.
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 a multimeter to check the servo motor connection cable and the servo driver with BOP panel. Adjust the left and right buttons to the ohm range, 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 switching 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, the speed is adjustable. According to the control plan, the system automatically determines the performance of the production line and submits a disclosure record.
Experimental items
l) Throttle speed regulation and oil inlet speed control valve speed regulation
2) Oil pump performance experiment [oil pump flow characteristics, volumetric efficiency and total efficiency].
3) Static and dynamic experiments of the relief valve (opening and closing characteristics, pressure overshoot characteristics)
4) Throttle and speed regulation performance experiments of the speed control valve (inlet throttle and speed regulation, return oil throttle and speed regulation, working in the bypass system characteristic).
5) Hydraulic system efficiency experiment
Hydraulic pump station:
(1) Quantitative vane pump: nominal displacement 8mL/r, volumetric efficiency 90%;
oil pump drive motor: three-phase AC voltage, power 2.2KW, speed 1450r/min;
(2) Oil tank: nominal volume 90L; equipped with liquid level and oil temperature indicators, oil suction and oil return filters, safety valve, etc.;
(3) High-quality hydraulic oil: PetroChina 32# anti-wear hydraulic oil.
(4) Safety protection: It has leakage voltage and leakage current protection devices, and is safe and in line with national standards.
M*n technical parameters of the experimental bench:
1. Power supply of the experimental bench: national standard industrial power - AC380V, 50HZ;
2. Experimental bench control voltage: safety control voltage - DC24V;
3. Use environment requirements: moisture-proof and dust-proof environment;
4. Total system power: ≤5KW;
5. System safe operating pressure: ≤7Mpa;
6. Experimental bench dimensions: (mm): 1700×650×1800.
7. Experimental bench weight: about 400Kg.
M*n components list

serial number	Name	Specifications and models	quantity	Remark
Experimental bench
1	Experimental bench	1700×650×1800mm	1 set	Chinese teachings
2	Practical tr*ning screen	U-shaped groove	1 piece	Chinese teachings
Power pump station
3	drive motor	Rated power: 2.2 KW Rated voltage: 380V	1 set	Kunshan, Jiangsu
4	Fixed vane pump	PV2R1-8F	1	kunshan river valley
5	tank	90L	1	Chinese teachings
6	oil filter	MF-04	2	T*wan Deng Sheng
7	Oil temperature and oil level gauge	YF-3”	1	T*wan Deng Sheng
Hydraulic Components
8	Throttle valve stop valve	Model: DV12-1-10/2 Diameter: 12mm Maximum working pressure: 35Mpa Flow range: 0-50L/Min	2	Beijing Huade Hydraulic
9	One-way valve	Model: S10A Diameter: 10mm Maximum working pressure: 31.5Mpa Minimum opening pressure difference: 0.05MPa Q=30L/Min when flow rate = 6m/s	2	Beijing Huade Hydraulic
10	Relief valve (direct-acting type)	Model: DBDH6P/100Mpa Diameter: 10mm Maximum back pressure: 31.5 Mpa Minimum opening pressure difference: 1.3MPa	3	Beijing Huade Hydraulic
11	Relief valve (pilot type)	Model: DB10-1-30/100 Maximum back pressure: 31.5 Mpa Minimum opening pressure difference: 0.5Mpa Control maximum pressure: 31.5Mpa Minimum opening pressure difference: 0.5MPa	1	Beijing Huade Hydraulic
12	Control Valve	Model: 2FRM5-30/15Q Rated flow: 15L/Min Maximum working pressure: 21MPa Temperature and pressure effects: 2%-5% Flow adjustment range: 0-15L/min	2	Beijing Huade Hydraulic
13	Two-position four-way solenoid directional valve (single)	Model: 4WE6C61/CG24 Diameter: 6mm Working pressure: 31.5Mpa 24V control single electromagnet	2	Beijing Huade Hydraulic
14	five trues		2	Chinese teachings
15	force meter	YB-100	5	H*tian Special Hydraulics
16	Copper tube	8mm	Many roots	Chinese teachings
17	Pipe joint		multiple	Ningbo, Zhejiang
18	Hydraulic component oil circuit transition plate	Aluminum alloy	Many	Chinese teachings

19	Flow Sensors	Model: LWGY-6 Accuracy level: 0.5 Range: 0-10L/min	1	Shangh*
20	Flow display header	BT	1	suzhou
twenty one	Speed sensor	J3-D4C1	2	Shangh*
twenty two	Speed display meter	BTAR	1	suzhou
twenty three	Power transmitter	PAS-P	1	suzhou
twenty four	Power display meter	DP3	1	suzhou
Electrical components
25	DC switching power supply (DC24V)	8A	1	Chinese teachings
26	Three-phase circuit breaker	With leakage and short circuit protection	1	Chint Electrical Appliances
27	Electrical control unit	Relays, terminal blocks, etc.	1 set	Chinese teachings
28	Electrical operation panel	Buttons, display instruments, etc.	1 piece	Chinese teachings
Documentation
29	Experimental Operation Manual		1 volume	Chinese teachings
Spare wearing parts
30	Sealing tape (raw material tape)		2 volumes
31	Sealing combination gasket	Φ22	8
32	power switch button	DS451	several
33	Electrical signal plugs and sockets		4 sets
Tool list
34	adjustable wrench	6'	1 handful	hardware tools
35	adjustable wrench	12'	1 handful	hardware tools
36	Dumb wrench	10'	2 handfuls	hardware tools
37	Allen wrench	1.5~10mm	1 set	hardware tools
38	"Ten" screwdriver	6'	1 handful	hardware tools
39	"One" screwdriver	6'	1 handful	hardware tools
40	"Ten" screwdriver	3'	1 handful	hardware tools
41	"One" screwdriver	3'	1 handful	hardware tools
42	Needle nose pliers		1 handful	hardware tools

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