Safety grounding device. In order to protect against electrical equipment. The metal casing of electrical equipment and the metal structure of electric elevators should be equipped with a safety grounding device. The grounding wire should operate multiple wires and the neutral wire should not be arbitrarily held as a safety grounding wire. Its grounding resistance should not exceed ohms; The power supply of the electric elevator can be cut off.
PescaraConstruction electric elevators must be equipped with lifting cages and reusable buffers， and comply with regulatory requirements.
The end height of the guide rail frame above the high attachment point should comply with the provisions of the user manual.
KebillyIn addition to ground protective fences， low level doors can be used. Low level doors should meet the following requirements: the height of the door should be between m and m. And there should be at least protective railings a half height middle crossbar， and a toe board at least mm above the ground.
To ensure safe and reliable braking of the lifting platform and prevent accidents， a hydraulic control one-way valve， also known as a hydraulic lock， is added to ensure safe self-locking in the event of an accidental rupture of the hydraulic pipeline. An overload sound control alarm has been installed to distinguish between overload or equipment failure. Electrical system explosion-proof button SB&flash; The rotation of the SB motor and the commutation of the explosion-proof electromagnetic directional valve are used to maintain load increase or decrease， and; Program adjustment time delay to avoid frequent movement of electric elevators that may affect their service life.
The use of standard section connecting bolts should comply with the user manual and specification requirements.
The setting of the cable guide frame should comply with the user manual and regulatory requirements.
Setting requirements: The up travel (limit) switch should be able to automatically stop the cage running at the rated speed before reaching the upper limit switch， the form of the stage can be changed. For example，PescaraElectric elevator， using an orchestra pit lift can combine a framed stage with a large lip or even an extended stage. In an experimental theater， using a lift can make the theater have various forms such as an end stage， an extended stage， an island stage， an intermediate stage， a T-shaped stage， or a hall.
The safety notice board for construction electric elevators should be prominently placed on the hanging cage for the rated load capacity and rated number of passengers of the construction electric elevator. It is strictly prohibited to use construction electric elevators beyond the rated load capacity or rated number of passengers.
The wall bracket of the construction electric elevator should be intact and reliably fixed， and its attachment distance， wall bracket spacing and end height must comply with the requirements of the "User Manual". The angle between the plane of the wall bracket and the normal direction of the attachment surface should not exceed degrees;. When the attachment device does not meet the requirements of the "User Manual" due to conditions， its calculation sheet， design， and verified by experts.
Every theater is a public place with a large number of people， and safety considerations should be taken into account in stage design. According to relevant national regulations， in order to prevent accidents caused by the crushing of electric elevators or improper control by drivers. Electric elevators should be equipped with the following necessary safety devices to ensure that the car of the electric elevator stops rising or falling in a timely manner.
Online consultationManual pump: When the system malfunctions， the manual pump can be operated to pump high-pressure oil to raise the car to the nearest floor position
When using lifting equipment， the workbench should be kept in a horizontal state.
The scissor type electric elevator is a widely used high-altitude operation special equipment. Its scissor mechanical structure ensures high stability of the lifting platform， wide working platform， and high bearing capacity， making the high-altitude operation range wider and suitable for multiple people to work simultaneously. It makes high-altitude operation more efficient and safer
PescaraMonthly maintenance and inspection of hydraulic lifting platform rollers， intermediate shafts and bearings， oil cylinder pin shafts and bearings， boom hinge shafts and bearings for wear. Add some oil to each part to extend the service life of the lifting platform bearings. The quality and level of hydraulic oil. The lifting platform should be raised throughout the entire process， and at this position， the hydraulic ground should be - millimeters higher than the bottom of the box. If the hydraulic oil becomes dark， sticky， or has foreign objects such as gravel， it should be replaced in a timely manner ( # hydraulic oil). Annual maintenance and inspection of all hydraulic pipelines and joints of the lifting platform. The pipeline must not be damaged， and the joints must not be loose. All joints must be tightened. Remove and disassemble the lowering valve of the lifting platform，PescaraElevator electric platform， blow out the plunger with compressed air， then install it and reinstall it. Drain and discard the hydraulic oil， tighten the joint， remove the oil filter， clean it with compressed air， and then return it to the oil tank and connect the pipeline.
Speed limit wire rope switch. When the speed limit wire rope trips or breaks. Make the electric elevator unable to start.
Horizontal lead screw mechanical electricity
