The guiding and descending freight elevator adopts hydraulic oil cylinders to lift up, chains and wire ropes to pull the worktable, and after it is raised to the target height, it will automatically level with the floor through a limit switch. The limit switch is installed on the freight elevator structure to prevent the failure of the leveling limit switch and the elevator continues to lift and cause dangerous accidents. The wire rope plays the role of left and right synchronization and the role of safety and fall prevention. When the chain suddenly breaks, the steel wire rope can make the workbench stop at this position instantaneously instead of drastically falling. Play a safety protection role. Install a pressure sensor in the hydraulic oil circuit. When the rated load is exceeded, the working pressure increases. The motor power is cut off through the control signal, and the freight elevator does not work, which plays a role of safety protection. The safety factor of the whole machine is designed as 125%, and the working safety factor is large. Install high-quality bearings on the rotating structure of the elevator to reduce rigid friction and effectively increase the service life of the equipment.
Precautions before use
1. The cargo lift has been inspected and debugged before leaving the factory, and all technical indicators have reached the design requirements. The user only needs to read manual carefully and strictly follow the steps when using it.
2. Non-professionals are not allowed to adjust the hydraulic system, electrical control system and platform structural components.
3. When the platform is installed and used for the first time, carefully check whether there is any abnormality in the hydraulic pressure, electrical appliances, and structural components. Only when there is no abnormality can the debugging be carried out. The load test shall be carried out after 3 to 5 times of no-load. This step is also applicable after the platform overhaul.
4. The platform has a guiding structure, carefully check the guiding structure and make sure that the guiding structure is good before debugging. The platform must not be loaded during debugging.
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