The rescue tripod uses a retractable support leg made of high-strength light alloy, with a safety factor greater than 10, and a ring-shaped protection chain at the bottom foot; the winch is equipped with a self-locking device for rising and falling to ensure the safety of the sling. The sling uses a special stainless steel wire rope with good flexibility, and will not be damaged by rust or lack of oil. It is easy to assemble and can be installed at the wellhead or pit mouth according to local conditions, and is not restricted by the uneven ground.
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