2025-05-14
Main components of structure and working principle: Forklift tines: Metal forks inserted into the bottom of pallets. Hydraulic pump: Pressed by a handle to drive the hydraulic cylinder, controlling th
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2025-05-14
Definition and Working Principle: The aluminum alloy hand chain block is a portable manual lifting tool that uses human force to operate the handle, which drives an internal gear mechanism to lift hea
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2025-05-13
1. Determine the load requirements: Rated Load: When selecting, the rated load of the pulley must be greater than the actual lifting weight (it is recommended to reserve a margin of 20%-30%). Common s
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2025-05-13
Operation Precautions:1. Safety Specifications: Ensure the base is stable, avoiding tilting or soft ground. Prohibit overloading use and leave a margin (e.g., 80% of the rated load). After lifting, se
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2025-05-12
Steps for replacing the chain on a hand-operated pulley:1. Remove the outer shell of the hand-operated pulley and take out the old chain.2. Thread the new chain into the guide wheel and gear slot of t
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2025-05-12
The screw jack is a mechanical structure jack. It differs from the hydraulic jack in that it does not contain liquid inside. The interior consists of gears, allowing for lifting both horizontally and
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2025-05-09
1. Precautions: The chain of the hand-operated pulley should be lubricated regularly to avoid jamming; slanting hoisting or overloading is prohibited. When operating the pulley, pay attention to reset
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2025-05-08
A small gantry crane with a load capacity of 200 kilograms to 2 tons. The gantry frame is supported by steel columns and uses I-beams as the lifting beams. Four universal casters with brakes are insta
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