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When a rigid mm square or circular flat surface is applied to any side of the door with a normal force of N， the door may not meet the above requirements， but it shall remain safe.
5All hanging cages and moving counterweights shall be enclosed by the ground protective fence.
qPhoenixWhat are the advantages of installing the rail-type electric elevator? What are the advantages of civil engineering? The installation is convenient: there is no need for a machine room above the hoistway， and the top floor can be installed more than meters high. The machine room can be set within the radius of meters of the shaft， with an area of only - square meters. The hydraulic elevator is not equipped with a counterweight device to improve the utilization rate of the hoistway area. The load and load of the hydraulic elevator directly act on the foundation pit through the oil cylinder. The strength of the hoistway is low， and the brick structure or brick-concrete structure hoistway is sufficient.
The lifting platform shall be able to carry people and goods under the reliable and effective conditions of overvoltage，Electric elevator undervoltage and phase staggering protection devices. At first，GreensboroElectric elevator platformWhat is the difference in construction process the fixed electric elevator stopped on the ground. At this time， physicists observed that all objects in the lifting platform were subjected to a downward acceleration， which is the characteristic of the earths gravitational field. Then， move the lifting platform to the space far away from the earth without gravity field. Assume that the lift table is stationary. Or moving at a uniform speed， so the lifting platform is an inertial system without gravitational field. Physicists in the lifting platform will feel that they are in weightlessness. Like in a spaceship.
ISligoPay attention to the maintenance and protection records of the electro-hydraulic lifting channel. It is excellent to keep records on time， which not only can understand the performance of the equipment in different periods， but also is not easy to mix， so as to diagnose the problems at different stages.
XqSetting requirements: before the start of each day and before each shift， the driver of the construction electric lift shall inspect the construction electric lift according to the requirements of the operating instructions and specifications，Electric elevator record the inspection results， and report any problems found to the user.
When the distance between the outer edge of the construction electric hoist and the sideline of the external electric overhead line cannot meet the requirements in the above table， effective protective measures shall be taken.
The inspection and scrapping of steel wire ropes shall comply with the provisions of Maintenance， Installation Inspection and Scrapping of Crane Steel Wire Ropes (GB/T).
lWhen the cage with rated load capacity acts on the buffer at a speed of .m/s higher than the rated speed， the average deceleration of the cage shall not be greater than g， and the time when the peak deceleration is greater than g shall not be greater than .s; When using the hydraulic buffer， the oil level should be checked. The action of the hydraulic buffer should be monitored by the electrical safety switch. When the hydraulic buffer is compressed， the cage cannot be started through normal operation. Click here to download the construction technical data for free. The safety limit device for construction electric hoist shall be installed with upper and lower limit switches， which are sensitive and reliable.
RSetting requirements: the ground protective fence of the construction electric elevator shall be enclosed in a circle， and the height shall not be less than m. In its locked position，Electric elevator the door shall: - be able to bear without deformation; - Deformation is not more than mm; - Normal operation after test.
OWhere can I find it?Installation verticality deviation Guide rail frame erection height≤ For the wire rope construction electric hoist the verticality deviation of the guide rail frame shall not be greater than (/) h.
gCHow to prolong the service life of hydraulic lifting channel? In order to prolong the service life of such machinery and equipment， for the tangible switchgear inside the machinery and equipment it is necessary to regularly stop maintenance and take care of the equipment when it is in use. For example，GreensboroElectric elevator platformWhat is the difference in construction process it is necessary to regularly check whether these switches can operate normally and whether the touch points of the switches can be excellent during the process of use. There will be a control electric box and distribution box in the elevator. It is easy to accumulate dust outside these control equipment. Assuming that too much dust may cause corrosion outside the electric box， so the dust outside the various control boxes should be cleaned regularly during operation. Generally， this operation is what operators should do after each operation.
Low power consumption: when the hydraulic guide lifting platform is lowered， it is driven by the pressure generated by its own weight， which greatly saves energy and reduces consumption.
The erection of landing platform and frame body must be determined by design calculation according to the actual situation of the construction site， and a special scheme shall be prepared. When the erection height of the floor-type steel pipe scaffold exceeds m or more or the height of the cantilever scaffold body exceeds m or more， the special scheme must be subject to expert argumentation.
Sampling inspectionrSetting requirements: the landing platform shall be an independent stress system and shall not be erected on the vertical pole of the wall frame attached to the construction electric elevator.
HCheck whether all lights are normal.
The landing door shall meet the requirements of the specification and reach the finalization.
cPhoenixWire rope， pulley and counterweight wire rope shall meet the following requirements: the characteristics of wire rope shall meet the requirements of General Purpose Wire Rope GB/T; The maintenance，Electric elevator, electric elevator, electric lifting platform, electric hydraulic lifting platform - price manufacturer of electric elevator deformation， corrosion and scrapping of wire ropes shall comply with the requirements of Maintenance， Maintenance， Installation， Inspection and Scrapping of Crane Wire Ropes (GB/T); The wire ropes for hanging the cage shall be no less than two and independent of each other. If the rewinding method is adopted， the number of wire ropes shall be considered instead of the number of sagging wires.
fBThe counterweight shall have an effective device to keep it on the guide rail when the guide shoe or roller fails.
The bearings inside the machine also need to be checked regularly， especially the bearings should be added with grease regularly. If the grease is not good， the bearing will be seriously worn during operation， affecting the service life of the machine. There will be tangible wires and cables inside the machine. After using for a period of time， it is necessary to stop checking the wires and cables. If it is found that the wires and cables are damaged， it may be necessary to stop repairing or exchanging. It is also necessary to regularly check whether the screws at this connection are loose. Assuming that the screws are loose， you can go to the repair shop and use professional equipment to tighten the screws. It is necessary to make the screws meet the corresponding torque requirements.