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WeChat：18058325687
Phone：18058325687
WhatsApp：18058325687
Address：Shanghai Industrial Park, Jiading District, Shanghai
Mechanical Basic
ZOPGC-2T bulldozer hydraulic system training platform
Tissue machine hydraulic system training table, the bulldozer experimental desk with three -phase leakage protection, output voltage 380V/220V, the power current of the ground leakage exceeds 30mA, and cut off the power; equipment.
Hydraulic bulldozer is a self-propelled earth and rock transportation construction machine that uses a belt tractor or a tire-type basic vehicle as the m*n body and is equipped with a bulldozing working device and a control mechanism . It is a widely used machine in engineering machinery . It is suitable for pushing, stacking, backfilling, leveling, excavation and loose soil operations in large-scale earthwork construction projects, such as construction
1. Experimental items
1. Observation of the structure and working principle of each component of the hydraulic transmission, and disassembly and assembly experiments.
2. Hydraulic bulldozing machinery demonstration control experiment.
3. PLC software simulation demonstration and control experiment.
4. Programmable controller (PLC) electrical control experiment: mechanical-electrical-hydraulic integrated control experiment.
2. Experiment content
1. Hydraulic bulldozing machinery demonstration control experiment, shoveling soil, transporting soil, and unloading soil "empty driving and reverse return."
2. Programmable controller (PLC) electrical control experiment: mechanical-electrical-hydraulic integrated control experiment.
3. PLC Learning instruction programming and ladder diagram programming;
4. Learning and using PLC programming software;
5. Communication between PLC and computer, and online debugging;
6. Application of PLC in hydraulic transmission control and optimization of control schemes.
3. Performance and characteristics.
1. The experimental bench is made of cold-rolled steel plate (and has been treated with plastic spray and anti-corrosion treatment). It has a desktop structure and the control and push operation are integrated. The electrical operation control is bottom-mounted, and the hydraulic station is placed in the m*n cabinet of the hydraulic bench. The overall structure is compact and coordinated. The layout is beautiful and practical, and can be used for experiments by 4-6 people. The bulldozing machinery has an all-metal structure that is scaled down to the actual size. During the experiment, the hydraulic system is activated to operate the machine according to the experimental requirements. The excavating machinery is based on the actual structure. Made with reduced scale, it can truly reflect the actual working conditions of the machine, allowing students to deeply understand the structure and working principle of each component of the mechanism during the experiment.
5. The experimental control adopts two methods: manual control and automatic control. .
6. The experimental parts are made of pressure-resistant hoses, and the pressure can reach 25Mpa.
7. With three-phase leakage protection, the output voltage is 380V/220V. If the leakage current to the ground exceeds 30mA, the power supply will be cut off; the electrical control uses a DC 24V power supply with an overvoltage switch. Pressure protection to prevent misoperation from damaging the equipment.
8. 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 the movement can be controlled by the keyboard and the lens direction can be controlled by the mouse. The interface has a homepage and help. , 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, and oil pump unit on the equipment (the pop-up hydraulic symbols are introduced here. , Principle and introduction, click OK to enter the next introduction), valve frame, pressure gauge, sensor , etc.
2. Component disassembly is divided into learning mode and assessment mode, built-in electromagnetic reversing valve, plate relief valve, plunger pump, For filter valves and electro-hydraulic servo valves, the disassembly sequence is highlighted in the learning mode. There is no prompt for disassembly and installation in the assessment mode. If the disassembly and assembly sequence is wrong, the next step of disassembly and assembly will not be possible. Dragable seals, pumps, valves, oil filters, hex wrenches, pipe wrenches, adjustable wrenches, dead wrenches, M5 screws
3. The hydraulic components are equipped with one-way valves (hydraulic control, poppet valve core, ball valve core) . ), m*n structure of reversing valve (O-type, Y-type, H-type), hydraulic cylinder (assembled plunger, double-acting single-output rod, double-acting double-output rod, single-acting double-output rod, single-acting single-output rod), etc. Each construction experiment uses a graphical method to construct by dragging the set graphics. There are confusion graphics in the graphics library.
4. Hydraulic selection is based on the hydraulic schematic diagram, and then selects the nominal name of the pump . Displacement (12 items, including 11 confusing items) and pressure level (5 items, including 4 confusing items), and the selection of solenoid relief valve (3 specifications, 3 pressure levels, and 3 flow levels, all of which are confusing item), oil filter selection (multiple choices include confusing items), servo valve selection (multiple choices include confusing items), if you make an incorrect choice, the system will automatically prompt you with the correct answer. After selecting, drag the corresponding tool according to the prompts. to the highlighted area.
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.
4. M*n technical parameters
Motor model: M3P4H523 Power: 2.2KW Speed: 1420r/min
Oil pump model: V*-15F-A3 Rated pressure: 7Mpa Rated flow: 8ml/rev
Overall dimensions: 1550×650×1800mm
1. Experimental items
1. Observation of the structure and working principle of each component of the hydraulic transmission, and disassembly and assembly experiments.
2. Hydraulic bulldozing machinery demonstration control experiment.
3. PLC software simulation demonstration and control experiment.
4. Programmable controller (PLC) electrical control experiment: mechanical-electrical-hydraulic integrated control experiment.
2. Experiment content
1. Hydraulic bulldozing machinery demonstration control experiment, shoveling soil, transporting soil, and unloading soil "empty driving and reverse return."
2. Programmable controller (PLC) electrical control experiment: mechanical-electrical-hydraulic integrated control experiment.
3. PLC Learning instruction programming and ladder diagram programming;
4. Learning and using PLC programming software;
5. Communication between PLC and computer, and online debugging;
6. Application of PLC in hydraulic transmission control and optimization of control schemes.
3. Performance and characteristics.
1. The experimental bench is made of cold-rolled steel plate (and has been treated with plastic spray and anti-corrosion treatment). It has a desktop structure and the control and push operation are integrated. The electrical operation control is bottom-mounted, and the hydraulic station is placed in the m*n cabinet of the hydraulic bench. The overall structure is compact and coordinated. The layout is beautiful and practical, and can be used for experiments by 4-6 people. The bulldozing machinery has an all-metal structure that is scaled down to the actual size. During the experiment, the hydraulic system is activated to operate the machine according to the experimental requirements. The excavating machinery is based on the actual structure. Made with reduced scale, it can truly reflect the actual working conditions of the machine, allowing students to deeply understand the structure and working principle of each component of the mechanism during the experiment.
5. The experimental control adopts two methods: manual control and automatic control. .
6. The experimental parts are made of pressure-resistant hoses, and the pressure can reach 25Mpa.
7. With three-phase leakage protection, the output voltage is 380V/220V. If the leakage current to the ground exceeds 30mA, the power supply will be cut off; the electrical control uses a DC 24V power supply with an overvoltage switch. Pressure protection to prevent misoperation from damaging the equipment.
8. 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 the movement can be controlled by the keyboard and the lens direction can be controlled by the mouse. The interface has a homepage and help. , 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, and oil pump unit on the equipment (the pop-up hydraulic symbols are introduced here. , Principle and introduction, click OK to enter the next introduction), valve frame, pressure gauge, sensor , etc.
2. Component disassembly is divided into learning mode and assessment mode, built-in electromagnetic reversing valve, plate relief valve, plunger pump, For filter valves and electro-hydraulic servo valves, the disassembly sequence is highlighted in the learning mode. There is no prompt for disassembly and installation in the assessment mode. If the disassembly and assembly sequence is wrong, the next step of disassembly and assembly will not be possible. Dragable seals, pumps, valves, oil filters, hex wrenches, pipe wrenches, adjustable wrenches, dead wrenches, M5 screws
3. The hydraulic components are equipped with one-way valves (hydraulic control, poppet valve core, ball valve core) . ), m*n structure of reversing valve (O-type, Y-type, H-type), hydraulic cylinder (assembled plunger, double-acting single-output rod, double-acting double-output rod, single-acting double-output rod, single-acting single-output rod), etc. Each construction experiment uses a graphical method to construct by dragging the set graphics. There are confusion graphics in the graphics library.
4. Hydraulic selection is based on the hydraulic schematic diagram, and then selects the nominal name of the pump . Displacement (12 items, including 11 confusing items) and pressure level (5 items, including 4 confusing items), and the selection of solenoid relief valve (3 specifications, 3 pressure levels, and 3 flow levels, all of which are confusing item), oil filter selection (multiple choices include confusing items), servo valve selection (multiple choices include confusing items), if you make an incorrect choice, the system will automatically prompt you with the correct answer. After selecting, drag the corresponding tool according to the prompts. to the highlighted area.
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.
4. M*n technical parameters
Motor model: M3P4H523 Power: 2.2KW Speed: 1420r/min
Oil pump model: V*-15F-A3 Rated pressure: 7Mpa Rated flow: 8ml/rev
Overall dimensions: 1550×650×1800mm
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