Shanghai Daiyu Education Equipment Manufacturing Co., Ltd.
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| project | 3D teaching animation | Content introduction (knowledge and skills points) |
| Computer room and related equipment | Equipment room passage and passage door | Equipment room passage, lighting, passage door size, door opening direction, door warning, ladder |
| Computer room safe space | The space in front of the control cabinet, the space for people to move around, and the height difference between the ground and the ground | |
| Machine room floor opening | Floor opening and frame height of the machine room | |
| Equipment room lighting and sockets |
Lighting and sockets in the machine room; lighting for the shaft and car in the distribution box |
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| Phase f*lure protection | Verify that the phase f*lure protection relay function is effective | |
| M*n switch |
Each elevator has a m*n switch; the m*n switch cannot cut off the power supply to the socket, lighting, ventilation, and alarm; the m*n switch has overload and short-circuit protection; when disconnected, the distribution box needs to be padlocked to prevent misoperation. |
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| Manual emergency operation |
Components and colors of manual emergency operation; car running direction indication; turning safety switch; self-reset of release handle during turning operation. |
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| Grounding and insulation inspection |
Ground wire color, wire diameter requirements, and ground wire connection methods; power and lighting circuit insulation resistance requirements; insulation measurement |
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| Hoistway and related equipment | Hoistway closure | Requirements for opening holes in the inner wall of the shaft |
| Traction drive elevator top space |
Measure and calculate the space requirement for standing people on the car roof; measure the guidance stroke |
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| Hoistway safety door |
Requirements for setting up shaft safety doors; requirements for safety door dimensions; door opening direction and safety protection. |
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| Hoistway inspection door |
Inspection door size requirements; safety door size requirements; door opening direction and safety protection. |
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| guide |
The number and spacing requirements of each guide r*l; guide r*l verticality measurement; guide r*l gauge measurement. |
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| Distance between car and shaft wall | Measurement of the distance between the car and the shaft wall; | |
| Well wall below the landing door sill |
Material requirements for floor door pit toe guards; measurement of toe guard dimensions. |
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| Protection in the shaft |
Rigid isolation protection for counterweight; requirements for guardr*l height from ground, guardr*l height and width; requirements for distance between guardr*ls in two elevator shafts |
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| Limit switch | Perform m*ntenance operation to verify the limit switch function. | |
| Well lighting |
Inspect the shaft lighting while on top of the car and check the lighting switches in the machine room and pit. |
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| Pit facilities and equipment |
Check the pit environment; check the ladder; check the pit sockets, and verify the pit lighting and emergency stop switch. |
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| Pit Space |
Measure and calculate the standing space requirement in the pit; measure relevant distances. |
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| Speed governor tensioner |
Speed limiter wire rope diameter requirements; m*ntenance and operation verification of the tensioner rope break switch. |
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| buffer |
Check buffer fixation; check buffer liquid level; verify buffer switch function; check maximum buffer distance of counterweight buffer. |
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Car and counterweight |
Car top electrical device |
Check the car top inspection box; verify the functions of the car top inspection and car top emergency stop switches; check the car top power sockets and lighting. |
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Car roof guardr*l |
Conditions for setting up guardr*ls; requirements for guardr*l dimensions: guardr*l warnings. |
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| Car area measurement |
Requirements for elevator load and effective car area; Measurement of effective area of 800KG load elevator car. |
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| Car emergency lighting and alarm devices |
Verify the emergency lights in the car; verify the alarm system in the car. |
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| Overload protection | Overload protection test | |
| Suspension, compensation and rotating parts | Inspection of wire rope |
Wire rope inspection method; wire rope broken wire judgment; wire rope diameter measurement method. |
| Car door and landing door |
Inspection of the gap between the car and the relevant parts of the landing door |
Measure the gap between the floor door and the car door pit; measure the gap between the car door knife and the floor door sill; measure the gap between the floor door roller and the car sill. |
| Door clearance inspection |
Measure the gaps between car door panels, between door panels and columns, door lintels, and sills, and the clearance requirements for passenger and freight elevators; manually pry open the door in an unfavorable position and measure the gap. |
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| Anti-pinch device inspection |
At what stroke is the door closing process tested; the force required to prevent the door from closing; the final stroke distance of the active door closing and the disappearance of the protection function. |
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Inspection of landing door self-closing device |
Check that the weight is flexible; use the triangular key to fully open the door, let go, and the door will close automatically. |
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| Door lock inspection |
Introduction to upper hook and lower hook locks; Check the engagement depth of the landing door locks; Check the operation and verify the function of the landing door lock contact switches; |
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| Leveling accuracy check |
Leveling accuracy requirements; check leveling accuracy during operation. |
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| test | Car upward overspeed protection device test |
Inspection content introduction Step 1: Preparation; Step 2: Inspection and verification of the action of the rope clamp. |
| Energy dissipation buffer test |
Introduction to the inspection regulations; Step 1: Check the buffer safety switch function; Step 2: Check whether the buffer spring returns to its original state. |
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| Car speed limiter-safety clamp action test |
Introduction to the inspection regulations; Step 1: Preparation; Step 2: Verify the speed limiter protection function; Step 3: Verify the safety clamp downward protection function; Step 4: Remove the short-circuit wire and reset the switch. |
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| Balance coefficient test |
Introduction to the inspection regulations; Step 1: Preparation; Step 2: Measure the traction motor current when the car top moves up (down) with different loads; Step 3: Draw the current-load curve and determine the balance coefficient. |
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| No-load traction test |
Introduction to the inspection regulations; Step 1: Preparation; Step 2: No-load inspection and upward movement. After the counterweight is pressed on the buffer, let the traction machine continue to rotate in the upward direction; Step 3: After the inspection, restore the switch. |
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| Run the experiment |
Inspection content introduction; Step 1: Go up at normal speed without load, check the situation of intercepting vehicles in the forward direction, opening and closing doors, leveling, etc.; Step 2: Go up at normal speed without load, check the situation of reverse registration, opening and closing doors, leveling Step 3: Go up and down at normal speed with full load, check the operation situation. |
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| Fire return function test |
Introduction to inspection regulations; Step 1: Check the fire switch; Step 2: Verify the function of the fire switch; Step 3: Inspection is completed and the fire switch is restored. |
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| Elevator speed inspection |
Inspection content introduction Step 1: Preparation; Step 2: The car goes down normally, measure the speed of the car and record the data. |
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| Upward braking test |
Inspection content introduction Step 1: Preparation; Step 2: The car goes up at normal speed; Step 3: Cut off the power supply of the elevator; Step 4: Check the car's braking condition. |
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| Downward braking test |
Inspection content introduction Step 1: Preparation; Step 2: The car goes down at normal speed; Step 3: Cut off the power supply of the elevator; Step 4: Check the car stopping condition. |
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| Static traction test |
Inspection content introduction Step 1: Preparation; Step 2: Keep the brake in a static state for 10 minutes without the traction rope slipping; Step 3: Repeat step 2 with different loads. |
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| Elevator component type testing | Progressive safety clamp braking force test |
Test equipment: Safety component test tower Test content: The m*n lifting device and the guide frame lift the load frame with weights to a cert*n height through the hook, and then let it fall freely, simulating the car overspeeding down. When the preset speed is reached, the brake operating mechanism activates the safety clamp. |
| Instantaneous safety clamp static pressure test |
Test equipment: universal test bench Test content: a p*r of safety clamp devices are installed in reverse on the test bench, and the safety clamp is simulated by a hydraulic device. |
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| Speed limiter speed test |
Test equipment: Two-in-one speed limiter test bench Test content: The test bench provides the speed limiter with a speed through a belt. The test is performed 20 times, and the electrical and mechanical action speeds are recorded. |
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| Speed limiter pull force test |
Test equipment: Two-in-one speed limiter test bench Test content: The test bench simulates the speed limiter being clamped through a steel wire rope, and then tests the clamping force through a tension motor . |
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| Energy-absorbing buffer impact test |
Test equipment: Safety component test tower Test content: The m*n lifting device and the guide frame lift the load frame with weights to a cert*n height through the hook, and then let it fall freely, simulating the car to go down at an overspeed, and at the moment of impact, the maximum impact speed of 115% of the rated speed hits the buffer under test. |
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| Compression test of linear energy storage buffer |
Test equipment: universal test bench Test content: Install the linear energy storage buffer on the test bench and use the hydraulic device to simulate the downward compression of the car or counterweight. |
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| Door lock mechanical and electrical durability test |
Test equipment: Elevator floor door lock comprehensive performance test bench Test content: The floor door lock is installed on the test bench to simulate the reciprocating opening and closing actions of the door to conduct a durability test on the door lock. |
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| Door lock mechanical static test |
Test equipment: Elevator floor door lock comprehensive performance test bench Test content: Give the floor door lock device a continuously increasing static force, and detect data through the pressure sensor ; check the wear, deformation or breakage of the door lock under the impact of external force. |
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| Door lock mechanical dynamic test |
Test equipment: Elevator floor door lock comprehensive performance test bench Test content: Use the hammer to swing freely to hit the door lock device to check the wear, deformation or breakage of the door lock under external force impact. |
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| Door lock switch connection and segmentation capability test |
Test equipment: Elevator floor door lock comprehensive performance test bench Test content: Test to check the door lock contacts. During the test, the floor door lock should have no electrical or mechanical faults, and there should be no contact welding or continuous arcing. |
| project | Task | Content introduction (knowledge and skills points) |
| Computer room and related equipment | Inspection of computer room environment |
Check the size and opening direction of the machine room door; check the warning signs; check the fire protection facilities; check the ventilation requirements; |
| Inspection of computer room safety space |
Space in front of the control cabinet; Check the height difference of the machine room floor; Machine room guardr*l; |
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| Inspection of floor openings in the machine room |
Point out the function of the holes on the floor of the machine room; check the holes on the floor of the machine room; |
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| Inspection of lighting and sockets in the computer room |
Determine whether the lighting and sockets in the newly installed elevator machine room meet the requirements; verify the machine room lighting; check the socket power supply |
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| Inspection of faulty phase protection |
Phase sequence relay installation position; verify phase f*lure protection function; verify phase loss protection function; |
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| Inspection of power supply in the computer room |
Configuration of m*n power switch when two elevators share one machine room; function of m*n switch power supply; power supply requirements; |
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| Inspection of emergency operation |
Add appropriate colors to the following machine room components; indicate emergency operation components; determine whether the marking of the direction and position of the car is correct; indicate the safety switch of the detachable wheel; |
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| ▲ (On-site demonstration) Grounding and insulation inspection |
Requirements on the color and diameter of the ground wire introduced into the distribution box; judging whether the grounding wiring in the machine room meets the requirements; measuring the insulation of the traction motor; |
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| Speed limiter inspection |
Check the speed limiter data; check the nameplate and rotation direction; measure the speed limiter wire rope diameter; verify the speed limiter switch function; |
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| Inspection of car upward overspeed protection device |
Point out which ones are upward operation protection devices; check the data; check the nameplate; check the counterweight test method marking; |
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| Hoistway and related equipment | Inspection of the top space of traction drive elevators |
Car guide stroke inspection operation; car top safety space inspection; counterweight guide stroke inspection method; |
| Inspection of guide r*ls |
Check the guide r*l bracket; measure the verticality of the guide r*l; measure the guide r*l gauge; |
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| Inspection of the distance between the car and the shaft wall |
Determine which car door has no restrictions on the distance between the car and the shaft wall; measure the distance between the car and the shaft wall; |
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| Inspection of landing door sills and car sill toe guards |
Check the material of the toeboard; measure the toeboard of the floor door sill; measure the toeboard of the car door sill; |
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| Inspection of protection inside the shaft |
Material inspection of counterweight guardr*ls; Inspection of guardr*ls in a single elevator shaft; Inspection of guardr*ls in two elevator shafts; |
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| Limit switch inspection |
Point out the limit switch; point out when the limit switch works; check the operation of the upper limit switch; |
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| Inspection of pit facilities and equipment |
Verify pit lighting; verify pit stop device; socket power check |
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| Inspection of the pit space at the bottom of the shaft |
Measure the distance between the highest fixed component in the pit and the lowest component of the car; measure the free vertical distance between the lowest component of the car and the bottom surface of the pit; inspect the safety space in the pit; |
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| Speed governor tensioner |
Tensioner color requirements; verify the speed limiter rope protection switch function; |
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| Inspection of buffers |
Check the buffer base for tightness; verify the buffer switch function; check the maximum buffer distance of the counterweight buffer; |
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Car and counterweight |
Inspection of car top electrical installations |
Inspection of car top electrical installations; m*ntenance and operation; |
| Inspection of car roof guardr*l |
Measure the distance between the car and the counterweight; measure the horizontal free distance between the shaft wall and the car to determine whether a guardr*l is needed; measure the height of the guardr*l toeboard; when the horizontal free distance is 1 meter, measure the height of the guardr*l; |
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| Car area measurement |
Measure the net internal dimensions of the 800KG load car and determine whether the car area meets the requirements; |
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| Inspection of car emergency lighting and alarm devices |
Verify the emergency lighting in the car; determine whether the alarm device works when the power is off; verify the function of the alarm device |
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| Overload test |
The landing where the car stops during the test; placing weights in the car; judging the test results; |
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| Inspection of safety gear |
Safety clamp data check; safety clamp switch installation location; verify safety clamp switch function; |
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| Suspension, compensation and rotating parts | Inspection of traction wire rope |
Determine if the wire rope is broken; measure the diameter of the wire rope; |
| Car door and landing door | Inspection of the gap between the car and the relevant parts of the landing door |
Measure the gap between the car sill and the floor door sill; measure the gap between the car door blade and the floor door sill; measure the gap between the floor door roller and the car sill; |
| Door clearance inspection |
Measure the clearance of passenger elevator doors; measure the clearance after applying force at the most unfavorable point; |
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| Door anti-pinch device inspection |
How much distance does the door need to travel before the test can be carried out? How much force is needed to prevent the door from closing before the door should reopen? How much distance does the door need to travel before the active door protection function disappears? |
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| Inspection of landing door self-closing device |
Determine which floors need to be inspected; verify the function of the door closing device; |
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| Inspection of landing door locks |
Measure the engagement depth of the landing door lock; verify the functional operation of the landing door lock contact switch; |
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| Leveling accuracy test |
Leveling accuracy inspection method; measurement method and judgment; rated load static inspection; adjustment of leveling device; |
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| test | Car upward overspeed protection device test |
Manually buckle the speed limiter upward brake block into the ratchet Check the machine room upward to verify the action of the rope clamp |
| ▲ (On-site demonstration) Energy dissipation buffer test |
Short-circuit the lower limit switch and the lower limit switch. The unloaded car is under m*ntenance and moves downward to press on the buffer. The buffer switch is activated and the car stops moving downward. Then short-circuit the relevant safety circuit. The car is under m*ntenance and moves downward to completely press on the buffer. After the car is lifted, observe the buffer's recovery. |
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| Car speed limiter-safety clamp action test |
The car stops at the top floor, and the speed limiter downward brake block is manually buckled into the ratchet The car is inspected and moved downward to verify the speed limiter protection function After the speed limiter is clamped, the safety circuit is short-circuited, and the car continues to inspect and move downward to verify the downward protection function of the safety clamp After the test, the short-circuit wire is removed and the switch is reset |
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| Balance coefficient test |
Mark the wire rope and traction sheave Car up/down under different loads Record the traction motor current with a clamp ammeter Draw a graph to find the balance coefficient |
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| No-load traction test |
Short-circuit the upper limit switch The car moves upward, the counterweight is pressed on the buffer, and the operation of the car is observed After the inspection, restore the switch |
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| Run the experiment |
The car is operating normally upward, checking the forward interception, door opening and closing, leveling, etc. The car is operating normally upward, checking the reverse registration, door opening and closing, leveling, etc. |
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| Fire return function test |
Check the fire switch The car is operating normally, verify the fire switch The inspection is completed and the fire switch is restored |
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| Elevator speed test |
Load the test weight Measure the car running speed Judge according to the speed error range |
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| Upward braking test |
The car was powered off during normal upward movement. Check the car's braking condition. |
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| Downward braking test |
The car was powered off during normal descent. Check the car's braking condition. |
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| Static traction test |
Load different load test weights Let the car stand for a while and check the wire rope for slippage |
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ADD：Factory 414, District A, No. 6, Chongnan Road, Songjiang Science and Technology Park, Shanghai ICP： Sitemap