DY Elevator Structure and Principle Virtual Simulation Experiment Platform

Release time：2024-07-06 17:30viewed：times

1. Management subsystem

The management subsystem consists of user management, major management, teacher management, class management and student management. The functions are as follows:
(1) User management: system user name, account, password and permission definition;
(2) Major management: including major name, usage status and other information;
(3) Class management: including class name, class description, major, etc.;
(4) Teacher management: m*nly including user name, name, gender, telephone number, em*l address and major, etc.;
(5) Student (candidate) management: student (candidate) name, account, password, class, etc., receiving exam or practice tasks.

2. Teaching subsystem
The teaching subsystem consists of functional modules such as teaching resource library, my courseware folder, learning task release, learning situation analysis, and student end. Its features are as follows:
(1) The management platform’s built-in 3D virtual simulation teaching resource library, which consists of 3D animation teaching resource packages and 3D virtual tr*ning resource packages for each course, is constructed according to projects, tasks, knowledge and skills points, etc. Teachers can also customize and upload other courseware resources that need to be shared, such as: electronic teaching plans, PPT, teaching videos, pictures, documents, etc.;
(2) Teachers can customize courseware folders with their own characteristics according to teaching requirements. Courseware folders can choose the 3D virtual simulation resources that come with the platform, or they can customize and upload other courseware resources, such as: PPT, videos, etc., for classroom teaching;
(3) Teachers can selectively release learning or tr*ning tasks according to the teaching progress for students to learn during or after class;
(4) The teacher end can query students’ online, login, learning time, practice scores, etc.

3. Assessment Subsystem
(1) Question Bank Management:
Question bank management m*nly includes question bank classification management and question bank content management:
Question bank classification management: supports customization. For assessment items of different majors, classification settings can be made according to question type (such as single-choice questions, multiple-choice questions, true or false questions, etc.) or question content attributes; Question
bank content management: Questions can be edited by category, including number, content, question type, category, answer and other information, and supports the import of customized and standard questions.
(2) Examination Management:
Examination management includes paper composition management and assessment management modules;
Paper composition management: includes definition functions such as examination class, invigilator, examination time, and paper composition; Paper composition rules can be customized, and both manual and automatic paper composition methods are supported;
Assessment Management: m*nly manages the assessment process and results; includes two major functions: the invigilator end and the student (candidate) end; the invigilator end can review the candidate's identity online, set and monitor the candidate's status, manage the assessment results, etc. The student (candidate) end can answer questions online after logging in.
(3) Practice management:
Students can conduct many functions online, including self-test exercises, organizing unified examinations, conducting knowledge competitions, assigning extracurricular or holiday homework, intelligent test composition, answer sheet review and grade management;
(4) Student (candidate) side:
The student (candidate) side module provides students with the ability to take mock exams, formal exams, complete homework and practice on the computer.
Virtual simulation teaching system
Mechanical tr*ning safety education virtual simulation software: This software is developed based on unity3d. The software adopts the form of three-dimensional roaming. The movement can be controlled by the keyboard and the direction of the camera can be controlled by the mouse. There are mechanical safety distance experiments, mechanical safety protection device experiments, and basic assessments of mechanical safety protection design. During the experiment, the three-dimensional roaming screen uses arrows and footprints to prompt movement to the experimental position. 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 the upper and lower limbs from touching the dangerous area (with two types of fence height and opening size). After entering, the GB23821-2009 "Safety distance to prevent the upper and lower limbs from touching the dangerous area" requirement pops up in front of the camera. Wrong demonstration: the experiment process is that after the human body enters the working radius of the mechanical object and is injured, the bloody picture and voice reminder receive mechanical injury, and return to the original position and conduct the next experiment. The last step is the correct approach.
B. The mechanical safety protection device experiment is divided into safety interlock switch, safety light curt*n, safety mat, safety laser scanner and other protection device experiments. The optional categories (safety input, safety control, safety output, other), manufacturer, product list (safety interlock switch, safety light curt*n, safety mat, safety laser scanner, safety controller, safety relay, safety fence). There is a blue flashing frame reminder at the installation location. The experimental process: select the safety fence 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 to the electrical control box, select the safety relay and install it to the electrical control box, and click the start button on the electrical control box. If entering a dangerous area, the system will sound an alarm and the mechanical object will stop working. You can stop by pressing the reset button on the electrical control box.
C. The basic assessment of mechanical safety protection design requires the installation of the mechanical safety system to be completed, and the safety guardr*l, safety interlock switch, safety light curt*n, safety mat, safety laser scanner, safety controller, safety relay, 24V power supply, signal light and emergency stop button to be correctly installed. The assessment is divided into ten assessment points. Some assessment points have three options, which students can choose freely. After the final 10 assessment points are selected, submit for confirmation, and the system will automatically derive the total score and the score of each assessment point.
D. The software must be on the same platform as a whole and must not be displayed as a separate resource.
E. At the same time, the VR installation package of this software is provided to customers to facilitate users to expand into VR experiments. VR equipment and software installation and debugging do not need to be provided.
Mechanical assembly and benchwork assembly virtual simulation software: This software is developed based on unity3d, with optional 6 levels of image quality. It has the design and virtual disassembly and assembly of reducers and shaft structures, design and simulation of common mechanical mechanisms , mechanism resource library, typical mechanical mechanisms (virtual disassembly and assembly of gasoline engines). The software is an integrated software and cannot be a separate resource.
A. Reducer design and virtual disassembly and assembly 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.
Worm bevel gear reducer: After entering the software, the assembly content will be automatically played, and each step in the video will be described in text.
Secondary unfolded cylindrical gear reducer: After entering the software, the content will be played in the form of video. The video content should include: part name (scan the QR code to see the part name), disassembly demonstration (including disassembly, assembly), virtual disassembly (including the whole, low-speed shaft, medium-speed shaft, high-speed shaft, box cover, box seat)
Bevel cylindrical gear reducer, coaxial cylindrical gear reducer, bevel gear reducer, first-level cylindrical gear reducer: click to enter and automatically jump to the edrawings interface. The models are all three-dimensional models . By clicking on the parts to display the part name, you can rotate 360° in all directions, zoom in, zoom out, and translate. At the same time, you can use the move parts function to disassemble and assemble the entire reducer. At the same time, you can select the home button to return to the original state of the reducer. The bevel gear reducer and the first-level cylindrical gear reducer have added the function of inserting cross sections, and the cross sections can be freely dragged to observe the internal structure of the reducer.
B. The design of the shaft system structure and the virtual disassembly and assembly interface can select part recognition, disassembly and assembly demonstration, and actual combat operation.
1. Part recognition: The built-in 3D models and part names of helical gears, end caps without holes, couplings, coupling keys, shafts, gear keys, end caps with holes, sleeves, and deep groove ball bearings are set. Any part can be rotated 360°.
2. Disassembly and assembly demonstration: There are 2 built-in cases. When the mouse is moved to a cert*n part position (except the base and the bearing seat), the part is automatically enlarged and the part name is displayed. There are disassembly and assembly buttons. The software automatically completes the disassembly and assembly of the shaft system structure. The 3D scenes can be rotated 360°, enlarged, reduced, and translated.
3. Actual operation: The 3D parts are neatly placed on the desktop. Students manually select the corresponding parts and move them to the shaft system structure. The parts can be installed only when the placement order and position are correct. There is a restart button to facilitate students to repeat the virtual experiment. When the mouse is moved to a cert*n part position (except the base and the bearing seat), the part is automatically enlarged and the part name is displayed.
C. Common mechanical mechanism design and simulation: optional hinged 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, hinged four-bar mechanism trajectory synthesis, eccentric linear roller push rod cam , concentric linear flat 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 can choose 11 types of planar connecting rod 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 can choose crankcase assembly and disassembly demonstration, crankcase virtual assembly, valve system assembly and disassembly demonstration, and valve system virtual assembly.
1. The crankcase assembly and disassembly demonstration and the valve system assembly and disassembly demonstration are equipped with disassembly buttons, assembly buttons, restart buttons, and decomposition observation buttons. When the mouse moves to a cert*n part position, the part is automatically enlarged and the part name is displayed. The function is automatically completed by the software to disassemble and assemble the shaft system structure. When the decomposition observation button is used, the three-dimensional model of the crankcase or valve system automatically displays an exploded view, which can be rotated 360° in all directions, enlarged, reduced, and translated.
2. The three-dimensional parts of the crankcase virtual assembly and the valve system virtual assembly are neatly placed on the desktop. Students manually select the corresponding parts and move them to the mechanism. The parts can only be installed when the placement order is correct and the position is correct. There is a restart button to facilitate students to re-conduct virtual experiments. When you move the mouse to cert*n parts, the part name will be automatically displayed.

4. Personal Learning Center
After logging in, students can receive and learn online the tasks assigned by teachers. Students can learn virtual simulation courses, interactive forums, practical tr*ning courses, assessments, rankings, etc. in the personal learning center; the

student personal learning center has modules such as learning tasks, learning status, interactive forums, test papers, homework books, and exercises.
(1) Learning tasks:
Students receive learning tasks issued by teachers and learn by selecting each task module in the learning tasks;
(2) Learning status:
You can view the content, learning time, learning duration and score det*ls of students;
(3) Interactive forum:
Let learners communicate with each other and answer questions in the simplest way;
(4) Test papers, homework books, and exercises:
Students receive tests issued by teachers or answer practice homework.

5. Cloud Platform
The cloud education platform includes modules such as experience courses, essence courses and information release. Experience courses are for visitors to watch and experience resource courses; essence courses include all 3D practical simulation questions, and users can browse and learn resources according to the divided resource permissions; the information release module releases the latest industry trends, the latest laws and regulations, and professional information every day.
(1) The homepage includes popular course rankings (sorted by the number of collections), course rankings (sorted by the number of views), free experience area, course essence area and information release.
(2) In the course ranking area, you can directly click on the course name to browse course resources. (3
) In the free experience area, you can directly click on the course image to enter the course viewing page.
(4) In the course essence area, after logging in, you can directly click on the course image to enter the course viewing page.
(5) The course module allows users to enter the course viewing page. During the viewing process, the system will automatically record the user's viewing time, end viewing time and duration. Users can view their browsing history in the "Playback Record" module; at the same time, users can collect courses, and then the course will appear in the "My Collection" column, and users can conveniently browse their favorite courses. In the common toolbar, click "My Site" to view the playback records and favorite courses.
(6) The information release module will play the latest information in a carousel to help users quickly view the information they need.

PC Cloud
Teaching resource example: Introduction to the eight major systems of elevators. Disassemble and reset the entire elevator to display the eight major systems of elevators and introduce the composition of each system.

Resource Category	System Title	title	brief introduction
education resources	Elevator operation Principle introduction	Elevator operation display	Demonstrate how the elevator operates in the shaft. From the common appearance of the elevator to the internal structure, the coordinated operation of the various systems inside the elevator is demonstrated from multiple angles and perspectives; the four major spaces of the elevator are introduced, so that learners can have a holistic understanding of the elevator structure.
		Elevator structure display	Show the decomposition of the entire elevator structure, introduce the various components of the elevator and their relative positions
		Introduction to the eight major systems of elevators	The eight major systems of the elevator are disassembled and restored from the entire elevator to display and introduce the composition of each system.
	Traction system	Traction principle demonstration	Demonstrate how the traction wire rope realizes the operation of the car through the traction sheave, and the principle of relative operation of the car and counterweight
		Traction system composition	Demonstrate the composition of the traction system
		Three-dimensional display of geared traction machine	Display of the appearance of the geared traction machine
		Display of gear traction machine structure	Introducing the structural composition of the geared traction machine through decomposition and display
		Permanent magnet synchronous traction machine three-dimensional display	Display the appearance of permanent magnet synchronous traction machine
		Permanent magnet synchronous traction machine composition display	Introduce the structure of the permanent magnet synchronous traction machine through decomposition and display
		Brake structure display	Introduce the structure of the brake through decomposition display
		Braking principle display	Demonstrate the braking principle of the brake
		Traction wire rope display	Show the location of the traction wire rope and introduce the two common wire rope specifications for elevators
		Rope head combination structure display	Introduce the structural composition of the rope head combination through decomposition and display
	Guidance system	Guidance system components	The components of the display guidance system
		Car (counterweight) guide r*l display	Display the appearance and cross-sectional shape of the car (counterweight) guide rls, and the tongue-and-groove connection of the guide rl connection position
		Guide r*l bracket installation demonstration	Demonstrate the installation process of the guide r*l bracket
		Guide shoe structure display	Display the installation positions of car guide shoes and counterweight guide shoes, the appearance of several commonly used guide shoes (one-way spring sliding guide shoes, rolling guide shoes, fixed guide shoes), and structural display
	Car system	Car frame structure display	Demonstrate the structure of the car frame and introduce other components installed on the car frame
	Car system	Car structure display	Show the structure of the car and introduce other components installed on the car
	Door systems	Door system components	Display door system components
		Double door knife car door three-dimensional display	Display the appearance of double door knife car door
		Double door knife car door composition display	Through decomposition and display, the structural composition of the double-door knife car door is introduced
		Double door knife car door opening and closing process display	Demonstrate the opening/closing process of the double-door knife car door
		Single door knife car door three-dimensional display	Display the appearance of single door knife car door
		Single door knife car door composition display	Through decomposition and display, the structural composition of the single-door knife car door is introduced
		Single door knife car door opening and closing process display	Demonstrate the opening/closing process of the single-door knife car door
		Floor door three-dimensional display	Display door appearance
		Floor door composition display	Introduce the structural composition of the floor door through decomposition display
		Door opening and closing display	Display the opening/closing process of the landing door
		Linkage display of floor door and car door	Demonstrate the linkage opening/closing process of the landing door and car door, focusing on the coordination between the car door knife and the landing door roller
	Weight balance system	Counterweight structure display	Show the appearance of the counterweight and introduce the structural composition of the counterweight by disassembling it
	Weight balance system	Compensation ch*n structure display	Show the installation position, structural material and anti-drop protection of the compensation ch*n
	Safety protection system	Introduction of elevator safety protection device	Through the demonstration, introduce the various safety protection functions of the elevator, the installation location, name and role of the safety protection device
		Overspeed protection:
		Three-dimensional display of one-way safety gear	Display of the appearance of 3 types of one-way safety clamps (ball-type instantaneous safety clamp, wedge-type progressive safety clamp (disc spring, U-shaped leaf spring))
		One-way safety clamp structure display	Through decomposition and display, the structural composition of the commonly used U-shaped leaf spring wedge type progressive safety clamp (one-way) is introduced
		Demonstration of the action principle of one-way safety clamp	Demonstrating the process of the one-way safety clamp pull rod lifting the wedge and then clamping it to the guide r*l
		Bidirectional safety clamp 3D display	Display the appearance of the two-way safety clamp
		Bidirectional safety clamp structure display	Introducing the structure of the commonly used U-shaped leaf spring wedge type progressive safety clamp (bidirectional)
		Demonstration of the action principle of bidirectional safety clamp	Demonstrate the process of the bidirectional safety clamp pulling the wedge block under the action of the operating mechanism, and then clamping it upward (or downward) on the guide r*l, and at the same time demonstrate the process of the protection switch action
		One-way speed limiter three-dimensional display	Display the appearance of a one-way speed limiter
		One-way speed limiter structure display	By decomposing, the structural composition of the one-way speed limiter is shown
		One-way speed limiter operation principle demonstration	Demonstrate how the one-way speed limiter locks the tongue when the car is overspeeding and descending, how the brake arm clamps the speed limiter wire rope, and how the lever toggles the switch
		Bidirectional speed limiter three-dimensional display	Show the appearance of a two-way speed limiter
		Bidirectional speed limiter structure display	By decomposing, the structural composition of the bidirectional speed limiter is demonstrated
		The action principle of the two-way speed limiter	Demonstrate the process of how the two-way speed limiter engages the ratchet when locking the tongue, how the brake arm clamps the speed limiter wire rope, and how the lever toggles the switch when the car and the counterweight are overspeeding and descending
		Speed limiter-safety gear linkage principle demonstration	Through four partial shots, it demonstrates step by step how the speed limiter - the safety clamp is linked when overspeeding occurs, and finally how the safety clamp wedge clamps the guide r*l
		3D display of speed limiter rope tensioning device	Display the appearance of the speed limiter rope tensioning device
		Speed limiter rope tensioning device structure display	By disassembling, the structural composition of the speed limiter rope tensioner is demonstrated
		Speed limiter rope breaking action demonstration	Demonstrate the process of simulating the breaking of the speed limiter rope, triggering the switch, and stopping the elevator
		Rope Clamp 3D Display	Demonstrate the relationship between the rope clamp and the speed limiter, the appearance and structural composition of the rope clamp
		Rope clamp action principle demonstration	Demonstrates the process of braking when the speed limiter brake arm brakes when the counterweight is overspeeding and the brake wire triggers the rope clamp to clamp the traction wire rope and implement braking
		Pier bottom (top) protection:
		Buffer 3D Display	Display the appearance of the hydraulic buffer
		Buffer structure display	By disassembling, the structural components of the hydraulic buffer device are demonstrated
		Buffer principle demonstration	Demonstrates the changes in the internal hydraulic oil and the switching process when the hydraulic buffer is pressed down
		Near door safety protection:
		Door anti-pinch device	Demonstrate the installation position, mechanism composition and protection action process of the safety touch panel anti-pinch device
		Overrun protection:
		Limit switch protection device	Displays the installation location of the shaft overtravel protection switch, its functions, and the associated boards Animation shows the state of the elevator car when the boards touch the switches during the elevator's upward movement
		Car door and floor door switch protection:
		Door electrical interlock	Display of the installation position of the car door (floor door) lock contact Display of the structure of the car door lock Display of the linkage between the floor door contact and the lock arm

VR version
This course uses virtual reality technology to create a virtual simulation scene of an elevator. Users can observe the overall appearance of the elevator, the three-dimensional display of the m*n components of the elevator, and the structural disassembly and assembly through a VR helmet and operating handle. It also provides an elevator operation demonstration.

Teaching Projects	Teaching tasks	Content introduction (knowledge and skills points)	Display form
Elevator space display	Four major spaces of elevator	Display the four major spaces of the elevator, including the machine room, shaft, landing station, pit, car, and car top	VR Interaction
Introduction to the m*n components of elevators	Three-dimensional display of geared traction machine	The gear traction machine has a full range of appearance and multi-angle display;	VR Interaction
	Display of gear traction machine structure	Introduce the structure of the gear traction machine - traction wheel, reduction box, brake, traction motor , etc.	VR Interaction
	Brake structure display	Introduce the installation position and function of the brake, and the components of the vertical brake - brake wheel, brake arm, brake shoe, electromagnet, etc.	VR Interaction
	Brake operation principle demonstration	Demonstrate the working principle of the brake; manual release and brake operation process.	Animation
	Rope head combination structure display	Introduce the installation position of the rope end assembly; Introduce the structure of the rope end assembly;	VR Interaction
	Car (counterweight) guide r*l position display	Introduce the function of the guide rl; the size parameters of the T-shaped guide rl; the difference between the car guide rl and the counterweight guide rl; the connection of the two guide r*ls;	Animation
	Guide r*l bracket installation demonstration	Introduce the installation method of the guide rl; introduce the car guide rl bracket and the counterweight guide r*l bracket; introduce the installation process of the bracket.	Animation
	Guide shoe structure display	Introduce the function of guide shoes; introduce several commonly used guide shoes and their uses; one-way spring sliding guide shoes; rolling guide shoes; fixed guide shoes.	VR Interaction
	Car frame structure display	Introduce the function of the car frame; introduce the structure of the car frame; introduce the m*n components installed on the car frame.	VR Interaction
	Car structure display	Introduce the function of the car; introduce the composition of the car; introduce other components installed on the car.	VR Interaction
	Double door knife car door three-dimensional display	Display the appearance structure of the double door knife car door	VR Interaction
	Double door knife car door composition display	Decomposition and display of the structure of the double-door knife car door	VR Interaction
	Double door knife car door opening and closing process display	Demonstrate the opening and closing process of the double-door car door	Animation
	Single door knife car door three-dimensional display	Display the appearance structure of single door knife car door	VR Interaction
	Single door knife car door composition display	Decomposition and display of the structure of a single-door knife car door	VR Interaction
	Single door knife car door opening and closing process display	Demonstrate the opening and closing process of the single-door knife car door	Animation
	Floor door three-dimensional display	Display the appearance structure of the floor door	VR Interaction
	Floor door composition display	Decomposition and display of the structural components of the floor door	VR Interaction
	Display of the door opening and closing process	Demonstrate the opening and closing process of the landing door	Animation
	Linkage display of floor door and car door	Demonstrate the linkage opening and closing process of the landing door and car door from multiple directions and angles - the door motor drives the car door, the car door knife inserts into the landing door roller, and drives the landing door to open and close together.	Animation
	Double folding side door structure display	Analyze and show the structure of the bi-fold side-opening door	VR Interaction
	Double folding side door opening and closing action demonstration	Demonstrate the opening and closing action of the bi-fold side door	Animation
	Center bi-fold door structure display	Decomposition and display of the structural components of the center bi-fold door	VR Interaction
	Center-split bi-fold door opening and closing action demonstration	Demonstrate the opening and closing action of the center-split bi-fold door	Animation
	Counterweight structure display	Introduce the installation position and function of the counterweight; introduce the structure of the counterweight;	VR Interaction
	Compensation ch*n structure display	Introduce the installation position and function of the compensation chn; introduce the structure of the compensation chn;	Animation
	One-way safety gear three-dimensional display	Display the appearance and structure of 3 types of one-way safety clamps - ball type and wedge type	VR Interaction
	One-way safety clamp structure display	Decomposition and display of the structural components of the wedge-type progressive safety clamp	VR Interaction
	Demonstration of the action principle of one-way safety clamp	Demonstrate the clamping action process of the wedge-type progressive safety clamp	Animation
	Bidirectional safety clamp 3D display	Display the appearance and structure of the wedge-type two-way safety clamp	VR Interaction
	Bidirectional safety clamp structure display	Decomposition and display of the structural components of the wedge-type bidirectional safety clamp	VR Interaction
	Demonstration of the action principle of bidirectional safety clamp	Display the action process of the bidirectional clamping of the wedge-type bidirectional safety clamp from multiple angles	Animation
	Bidirectional speed limiter (with rope clamp) 3D display	Display the appearance of a two-way speed limiter (with rope clamp)	VR Interaction
	Bidirectional speed limiter (with rope clamp) structure display	Decomposition and display of the structure of the two-way speed limiter (with rope clamp)	VR Interaction
	Demonstration of the operating principle of the two-way speed limiter (with rope clamp)	Demonstrate the overspeed clamping action process of the two-way speed limiter (with rope clamp)	Animation
	Bidirectional speed limiter three-dimensional display	Display the appearance and structure of the bidirectional speed limiter	VR Interaction
	Bidirectional speed limiter structure display	Decomposition and display of the structure of the bidirectional speed limiter	VR Interaction
	The action principle of the two-way speed limiter	Demonstrate the overspeed clamping action process of the bidirectional speed limiter	Animation
	Speed limiter safety gear linkage principle demonstration	Demonstrating the operation of the speed limiter - safety clamp under normal and overspeed conditions. Four close-up shots of key locations	Animation
	3D display of speed limiter rope tensioning device	Display the appearance and structure of the speed limiter rope tensioning device	VR Interaction
	Speed limiter rope tensioning device structure display	Disassembled display of the structure of the speed limiter rope tensioning device	VR Interaction
	Speed limiter rope breaking action demonstration	Demonstrate the action process of the speed limiter rope tensioner when the rope is broken (loose)	Animation
	Rope Clamp 3D Display	Display the appearance and structure of the rope clamp	VR Interaction
	Rope clamp action principle demonstration	Demonstrating the action process of the rope clamp clamping the traction wire rope in cooperation with the speed limiter	Animation
	Hydraulic buffer 3D display	Display of the appearance and structure of the hydraulic buffer and mounting bracket	VR Interaction
	Hydraulic buffer structure display	Disassemble and display the structure of hydraulic buffer	VR Interaction
	Hydraulic buffer action principle demonstration	Demonstrating the hydraulic buffer stroke compression action process	Animation
	Door anti-pinch device	Introduce the installation location and function of the door-near protection device; introduce one of the anti-pinch device structures (structural decomposition); demonstrate the working principle of the anti-pinch device protection.	Animation
Elevator operation experience	Elevator Operation	Experience the normal operation of the elevator in a virtual scene	VR Interaction

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