DYZT-5 Mechanical and Electrical Equipment Maintenance Technology Comprehensive Training Platform

Release time：2024-05-16 01:01viewed：times

1. Equipment Overview The
mechanical assembly and adjustment tr*ning platform is based on relevant national occupational standards and industry standards, and combines the " CNC technology and its application", "machinery manufacturing technology", "mechanical and electrical equipment installation and m*ntenance", and "mechanical assembly" of various schools and colleges. ", " Mold Manufacturing Technology", "Mechanical and Electrical Equipment Installation and M*ntenance", "Mechanical Equipment Assembly and Automatic Control" and other professional tr*ning objectives. Taking professional practice activities as the m*n line, it m*nly tr*ns students to read and draw assembly drawings and parts drawings, basic benchwork operations, parts and mechanism assembly processes and adjustments, assembly quality inspection and other skills. Through "learning by doing", students improve their skills in mechanical manufacturing. The employability of front-line process assembly and implementation, mechanical and electrical equipment installation, commissioning, m*ntenance and rep*r, mechanical processing quality analysis and control, grassroots production management and other positions in enterprises and related industries.
2. Technical parameters
1. AC power supply: single-phase AC 220 V±10% 50Hz;
2. Temperature: -10~50℃; Environmental humidity: ≤90% without condensation;
3. Dimensions: length × width × height =1800mm×700mm×825mm;
4. The power consumption of the whole machine: ≤1.0 kVA;
5. Safety protection measures: The desktop of the tr*ning platform is made of high-density board with high insulation, high strength and high temperature resistance. It has grounding protection and leakage protection functions, and its safety complies with relevant national standards. Using high-insulation safety sockets and high-strength safety experimental wires with insulating sheaths
3. Functional features
1. This device is m*nly composed of a variety of mechanical modules, and each module can be tr*ned independently or comprehensively. The modules include (power source, four-axis m*n gearbox, two-dimensional workbench, intermittent rotary workbench, secondary transmission, bevel gear clutch, friction wheel mechanism, crank connecting rod and cam multi-function device, etc.). Involves some typical skill points and knowledge points in the assembly of various mechanical equipment. For example: assembly and adjustment of transmission mechanisms such as belts and ch*ns, assembly of gearboxes, assembly and adjustment of bearings (deep groove ball bearings, angular contact bearings, tapered roller bearings, thrust ball bearings), assembly and adjustment of cylindrical bevel gears , Assembly of worm gear and worm p*r, assembly of rack, assembly and adjustment of crank connecting rod and cam p*r, assembly of sheave and friction wheel, assembly of friction wheel and raceway, assembly of ball screw p*r, assembly and adjustment of linear guide r*l , adjustment and detection of related parallelism and perpendicularity, etc.
2. Mechanical tr*ning safety education virtual simulation software: The software is based on C# and JS language programming design. Users can choose different interactive interface sizes according to computer configuration. Six levels of image quality can be selected, including smooth image quality, medium image quality, and perfect image quality. grade. More than ten types of shafting mechanisms, including gear shafting and worm shafting, can be selected for installation, disassembly, assembly, parts measurement, and assessment. There are smart reminders during the steps of parts disassembly and assembly. The models in the software are all 3D models, produced by 3Dmax, and have been rendered and polished to make the models look the same as real parts. There is a non-standard parts library, Standard parts library and measurement tool library for disassembly and assembly selection. The software is equipped with integrated electronic experiment assessment questions and instructions for the purpose, steps, and requirements of the experiment. When using the assessment function, the software randomly generates questions for students to answer, and gives assessment scores when students finish answering the questions. This software can rotate, zoom in and out in all directions to view its det*ls. Reducer module: The system's built-in tool library (such as hammer, wrench, puller, screwdriver, etc.) is used to select tools to disassemble the reducer, and the parts are automatically placed neatly after disassembly.
3. Virtual simulation teaching system,
mechanical tr*ning and safety education virtual simulation software: This software is developed based on unity3d. The software adopts the form of three-dimensional roaming. It can control movement through the keyboard and the mouse to control the direction of the lens. It is equipped with mechanical safety distance experiments and mechanical safety protection devices. Experiment and basic assessment of mechanical safety protection design. When the experiment is in progress, the three-dimensional roaming screen uses arrows and footprints to prompt the user to move to the experimental location. The circle around the mechanical object shows the working radius. The experimental process is accompanied by a dialog box reminder of the three-dimensional robot.
A. The content of the mechanical safety distance experiment includes the safety distance experiment to prevent upper and lower limbs from touching the danger zone (divided into two fence heights and opening sizes). After selecting to enter, GB23821-2009 "Mechanical Safety to Prevent Upper and Lower Limbs from Touching the Danger Zone" pops up in front of the camera. "Safe Distance" requirements, error demonstration: The experimental process is that after the human body enters the working radius of the mechanical object and is injured, the red screen and voice prompts that the human body has received mechanical damage, and returns to the original position and conducts the next experiment. The last step is the correct approach.
B. Mechanical safety protection device experiments are divided into safety interlock switches, safety light curt*ns, safety mats, safety laser scanners and other protection device experiments. Optional categories (safety input, safety control, safety output, others), manufacturers, products List (safety interlock switch, safety light curt*n, safety mat, safety laser scanner, safety controller, safety relay, safety guardr*l). There is a blue flashing frame reminder at the installation location. Experimental process: select the safety guardr*l and install it, select the safety interlock switch (or select the safety light curt*n, safety mat, safety laser scanner) and install it, select the safety controller and install it in the electrical control box , select the safety relay and install it in the electrical control box, click the start button on the electrical control box. If you enter the dangerous area, the system will prompt an alarm sound and the mechanical object will stop working. Select the reset button on the electrical control box to stop.
C. The basic assessment of mechanical safety protection design requires the completion of the installation of the mechanical safety system, and the correct installation of safety guardr*ls, safety interlock switches, safety light curt*ns, safety mats, safety laser scanners, safety controllers, safety relays, 24V power supplies, signal lights and Emergency stop button, the assessment is divided into ten assessment points. Some assessment points have 3 options, which are freely chosen by the students. After selecting the final 10 assessment points, submit for confirmation, and the system will automatically obt*n the total score and the score of each assessment point. .
D. The software must be on the same platform as a whole and cannot be displayed as separate resources.
E. At the same time, we provide customers with the VR installation package of this software to facilitate users to expand into VR experiments. VR equipment and software installation and debugging are not required.
Mechanical assembly and fitter assembly virtual simulation software: This software is developed based on unity3d, with optional 6-level image quality. It is equipped with design and virtual disassembly and assembly of reducers and shafting structures, design and simulation of common mechanical mechanisms, mechanism resource library, typical machinery Mechanism (virtual disassembly and assembly of gasoline engine), the software is a whole software and cannot be individual resources.
A. Reducer design and virtual disassembly interface can choose worm gear bevel gear reducer, two-stage expanded cylindrical gear reducer, bevel cylindrical gear reducer, coaxial cylindrical gear reducer, bevel gear reducer, and one-stage cylindrical gear reducer. Gear reducer.
Worm bevel gear reducer: After entering the software, the assembly content is automatically played, and each step in the video has text explanations.
Two-stage expandable cylindrical gear reducer: After entering the software, the content is played in the form of a video. The video content should include: part name (scan the QR code to see the name of the part), disassembly and assembly demonstration (including disassembly and assembly), virtual disassembly Installation (including overall, low-speed shaft, medium-speed shaft, high-speed shaft, box cover, box seat)
conical cylindrical gear reducer, coaxial cylindrical gear reducer, bevel gear reducer, first-level cylindrical gear reducer: click to enter Automatically jump to the edrawings interface. The models are all three-dimensional models. By clicking on the parts, the names of the parts are displayed. The parts can be rotated, enlarged, reduced, and translated 360°. At the same time, the entire reducer can be disassembled and assembled through the move parts function. , and you can select the home button to return to the initial state of the reducer. The bevel gear reducer and the first-stage cylindrical gear reducer have added the function of inserting a cross section, and the cross section can be freely dragged to observe the internal structure of the reducer.
B. Shaft structure design and virtual disassembly and assembly interface optional parts recognition, disassembly and assembly demonstration, and actual operation.
1. Parts recognition: three-dimensional model and part name including helical gear, non-hole end cover, coupling, coupling key, shaft, gear key, hole end cover, shaft sleeve, deep groove ball bearing, any All parts can be rotated 360°
2. Disassembly and assembly demonstration: There are 2 built-in cases. When you move the mouse to the position of a cert*n part (except the base and bearing seat), the part will automatically enlarge and the name of the part will be displayed. It is equipped with disassembly and Assembly button, the function is to automatically complete the disassembly and assembly of the shaft system structure by the software. All three-dimensional scenes can be rotated, enlarged, reduced and translated 360° in all directions.
3. Practical operation: The three-dimensional parts are neatly placed on the table. Students manually select the corresponding parts and move them to the shaft system structure. The parts can be installed only when they are placed in the correct order and in the correct position. There is a restart button to facilitate students to restart. Conduct virtual experiments. When you move the mouse to a cert*n part location (except the base and bearing seat), the part will automatically enlarge and the part name will be displayed.
C. Common mechanical mechanism design and simulation, optional hinge four-bar mechanism design and analysis, I\II type crank rocker mechanism design and analysis, offset crank slider mechanism design and analysis, crank swing guide rod mechanism design and analysis, hinge Four-bar mechanism with integrated trajectory, eccentric linear-acting roller push rod cam, and centering linear-acting flat-bottomed push rod cam.
1. Each mechanism should be able to input corresponding parameters, and the software can automatically calculate the parameters, and can perform motion simulation and automatically draw curves.
D. The mechanism resource library includes 11 types of planar link mechanisms, 5 types of cam mechanisms, 6 types of gear mechanisms, 8 types of transmission mechanisms, 11 types of tightening mechanisms, 6 types of gear tr*n mechanisms, and 8 types of other mechanisms (mechanical equipment simulation)
E , virtual disassembly and assembly of gasoline engines, optional crankcase assembly and disassembly demonstration, crankcase virtual assembly, valve tr*n assembly and disassembly demonstration, valve tr*n virtual assembly
1. Crankcase assembly and disassembly demonstration and valve tr*n assembly and disassembly demonstration both have disassembly button, assembly button, restart, and decomposition observation button. When the mouse is moved to a cert*n part position, the part will automatically enlarge and the part name will be displayed. The software automatically completes the disassembly and assembly of the shaft system structure. When using the decomposition observation button, the 3D model of the crankcase or gas distribution system automatically displays an exploded view, which can be rotated, enlarged, reduced, and translated 360°.
2. The 3D parts of the crankcase virtual assembly and the gas distribution system virtual assembly are neatly arranged When placed on the desktop, students manually select the corresponding parts and move them to the mechanism. The parts can be installed only when they are placed in the correct order and in the correct position. There is a restart button to facilitate students to re-perform the virtual experiment. When you move the mouse to cert*n part locations, the part names are automatically displayed.
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.
4. Practical tr*ning items
(1) Practical tr*ning on basic operational skills of fitters:
1. Line marking skills tr*ning;
2. Filing skills tr*ning;
3. Sawing skills tr*ning;
4. Drilling skills tr*ning;
5. Tapping and threading skills Tr*ning;
6. Scraping skills tr*ning.
(2) Assembly and adjustment of the four-axis m*n gearbox:
7. According to the assembly drawings and assembly process requirements, assemble and adjust bearings, shafts, keys, sliding gears, boxes, etc.
(3) Assembly and adjustment of the reducer:
8. According to the assembly drawing and assembly process requirements, assemble and adjust the sprocket, bevel gear, gear, box, etc.
(4) Assembly and adjustment of the intermittent rotary table:
9. According to the assembly drawing and assembly process requirements, assemble and adjust the worm gear, four-groove sheave, friction wheel, bearing, support, etc.
(5) Assembly and adjustment of the crank connecting rod and cam multi-function mechanism:
10. According to the assembly drawing and assembly process requirements, assemble and adjust the crank connecting rod, gear rack, cam guide rod, parallel double crank and other components.
(6) Assembly and adjustment of the two-dimensional workbench:
11. According to the requirements of the assembly drawing, assemble and adjust the linear guide r*ls, ball screws, bearings, supports, etc.
(7) Assembly and adjustment of the friction wheel and raceway:
12. According to the requirements of the assembly drawing, assemble and adjust the raceway, friction wheel, output shaft, fan blade, adjustment bracket, bearing seat, etc.
(8) Assembly and adjustment of the clutch:
13. According to the requirements of the assembly drawing, assemble and adjust the movable end, fixed end, joystick, support, etc. of the clutch.
(9) Installation and adjustment of mechanical transmission:
14. Assembly and adjustment of belt transmission mechanism
15. Assembly and adjustment of ch*n transmission mechanism
16. Assembly and adjustment of gear transmission
mechanism (10) Operation and adjustment of mechanical system:
17. According to the general According to the requirements of the assembly drawing, each unit is assembled into a system and adjusted as required to achieve the intended function.
5. Equipment configuration

serial number	name	M*n Specifications	quantity	unit	Remark
1	Tr*ning platform (installation and adjustment area)	It adopts an iron double-layer matt dense spray-p*nted structure, and the mechanical installation area adopts a ductile casting operating table, on which students can install and adjust various mechanical mechanisms.	1	set
2	Tr*ning platform (operation area)	It adopts an iron double-layer matte dense texture spray-pnted structure. The operating area is mnly composed of solid wood table tops, rubber pads, etc., used for benchwork processing and assembly of various mechanical parts;	1	set
3	Mechanical transmission mechanism	It is mnly composed of transmission mechanisms such as synchronous belts, chns, gears, racks, worms, worms, crank connecting rods, cams, sheaves, friction wheels, raceways, ball screws, etc.; through students’ installation, adjustment and testing on the platform , master the assembly and adjustment skills of commonly used typical mechanical transmission mechanisms.	1	set
4	Four-axis m*n gearbox	It has a two-axis three-stage variable speed output, one of which has a forward and reverse function to control the movement of the two-dimensional worktable, and the top is protected by plexiglass. It is mnly composed of box body, gear, spline shaft, spacer sleeve, key, angular contact bearing, deep groove ball bearing, circlip, end cover, manual shift mechanism, etc. It can complete the assembly process trning of multi-stage gearbox. The box materials are all made of aluminum alloy.	1	set
5	2D workbench	It is mnly composed of ball screws, linear guides, table tops, pads, bearings, supports, end covers, etc. It is divided into two levels: the upper level is manually controlled, and the lower level is controlled by a multi-stage gearbox through gear transmission to realize round-trip operation of the workbench. The workbench is equipped with a travel switch to realize the limit protection function. There is also an automatic transmission friction wheel mechanism and an upper sliding plate. It is connected and cooperates with the raceway to realize the rotation of the fan blades, and at the same time cooperates with the end face of the friction wheel on the intermittent rotary table to achieve infinite speed change. Through practical trning, we can understand the assembly relationship between parts, the movement principle and function of the mechanism. Master the assembly methods and processes of basic parts, such as the installation and adjustment of linear guide prs, ball screw prs, related bearings, and the application of related measuring tools. Reducer: Mnly composed of spur gears, angular contact bearings, deep groove ball bearings, brackets, shafts, end covers, keys, etc. Can complete the assembly process trning of reducer.	1	set
6	Intermittent rotary table	It is mnly composed of four groove sheave mechanism, worm gear, friction wheel, thrust ball bearing, angular contact bearing, table, bracket, etc. The four-axis mn gearbox is indexed through chn drive, gear drive, worm gear drive and four-grooved sheave mechanism to realize the intermittent rotation function; through practical trning, the assembly relationship between parts, the movement principle and function of the mechanism can be clearly understood. Master the assembly methods and processes of basic parts, such as the installation and adjustment of worm gear prs, gear prs, sheave p*rs, friction wheels, related bearings, and the application of related measuring tools.	1	set
7	Crank connecting rod and cam multifunctional mechanism	It is mnly composed of crank, connecting rod, cam, gear, rack, coupling, bearing seat, bearing, protective cover, guide rod pr, stay rod, track, bottom plate, etc. Its mn function is to communicate with the corresponding end through the coupling end. The output end or power output end of the actuator is connected to drive the movement of the cam crank pr to realize the up and down movement of the guide rod pr and the reciprocating motion of the double-crank connecting rod mechanism; in addition, a gear meshing with the rack can be deviated from the rack. The rack is meshed with a gear, and the reciprocating motion of the single crank linkage is achieved through the transition gear. The entire device has 4 support poles and is connected to a protective cover, making the device safer during trning and operation. Through the practical trning of this device, the assembly relationship between parts, the movement principle and function of the mechanism can be clearly understood. Master the assembly methods and processes of basic parts, such as the installation and adjustment of cam prs, crank-connecting rod prs, rack and pinion prs, parallel double crank p*rs, couplings, related bearings, and the application of related measuring tools.	1	set
8	two stage gear transmission	It is mnly composed of spur gears, bevel gears, angular contact bearings, deep groove ball bearings, brackets, shafts, end covers, keys, etc. Can complete assembly process trning of commonly used reducers. Through practical tr*ning, we can understand the assembly relationship between parts, the movement principle and function of the mechanism. Master the structural assembly methods of basic parts, such as the installation and adjustment of related bearings and gear accuracy and the application of related measuring tools.	1	set
9	Bevel gear clutch mechanism	It is mnly composed of sprockets, bevel gears, gears, brackets, bearings, two halves of tooth clutches, operating levers, etc. The power is provided by the gearbox sprocket shaft to realize the function of power distribution. When working, the lever is used to drive the slip ring to make The half clutch moves axially to achieve separation and engagement. Through practical trning, we can understand the assembly relationship between parts, the movement principle and function of the mechanism. Master the structural assembly method of basic parts and complete the assembly process tr*ning of the clutch mechanism. Such as the installation and adjustment of related bearings, gear sprockets and the application of related measuring tools.	1	set
10	Friction wheel mechanism	It m*nly consists of raceways, support frames, friction wheels, output shafts, fan blades, adjusting brackets, bearing seats, etc. Through assembly, the friction wheel movement can be realized to drive the rotation of the fan blades and other functions.
11	power source	Equipped with AC speed regulating motor, speed regulator, power control box, etc. to provide power source for the mechanical system. The power control box has a speed-regulating motor power interface and a travel switch interface.	1	set
12	Installation and adjustment tools	M*nly include fitter assembly tools, bench vise, scribing plate, puller, and copper rod. The set of tools consists of a tool box, Allen wrench, blind spanner, adjustable wrench, file, ruler, hammer, die, die holder, screwdriver, vise, etc.	1	set
13	Commonly used measuring tools	M*nly composed of vernier calipers, universal angle ruler, square ruler, dial indicator, micrometer, etc.; by using measuring tools for measurement, students can master the use of commonly used measuring tools, master the detection methods of mechanical assembly, etc.	1	set
14	Mechanical assembly and benchwork assembly virtual simulation software	Using 3D virtual simulation technology and AVI video playback method, the interface is vivid and beautiful, easy to learn and use, which can increase students' interest in learning and deepen students' understanding and application of knowledge. Through the three-dimensional disassembly and assembly video animation, the disassembly and assembly process of the gearbox, clutch worm transmission mechanism, gear reducer, intermittent rotary table, punch mechanism, power source, feeding mechanism and other modules are vividly displayed. The following functions can be realized: basic knowledge and introduction of fitter assembly technology, structure and working principle of the m*n components of fitter assembly technology , virtual disassembly and assembly of gearbox, three-dimensional animation video explanation and demonstration, virtual disassembly and assembly of clutch worm transmission mechanism, three-dimensional animation video explanation and demonstration Virtual disassembly and assembly of gear reducer, 3D animation video explanation and demonstration. Virtual disassembly and assembly of intermittent rotary table , 3D animation video explanation and demonstration. Virtual disassembly and assembly of punch mechanism, 3D animation video explanation and demonstration. Virtual disassembly and assembly of power source, 3D animation video explanation. Demonstration: Virtual disassembly and assembly of the feeding mechanism, 3D animation video explanation demonstration	1	set

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