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Technical parameters of a manual column returner
This product has Tons and tons, users can choose according to their needs.
Pull-out force
Pull-out distance
Handle force
Handle length
Self-weight
Introduction to two manual column returners
The column returner is a A kind of manual hoisting equipment used to recover small equipment (mainly pillars and roof beams) in the roofing area or roofing area of the mine. The column returner consists of a rooting rope (and rooting card), a hand chain hoist and a hook. The rooting rope is fixed on a safe and reliable shed or other objects. The hook is hung on the equipment to be returned. The person stands safely Shake the handle, the hook head retracts, and the front device is returned. This kind of equipment is low-cost, easy to use, and does not require any external power, so it is widely used in contemporary coal mines.
Advantages and functions of the three-manual column returner
The column returner has the characteristics of
Safe, reliable and durable
Easy operation and maintenance
High strength, small size, light weight and easy to carry
br/>High pulling force, small handle force and high efficiency.
Introduction to the advantages of the four-manual column puller
A pulling device specially designed for recovering single pillars sunk into the bottom plate, buried metal roof beams and other devices in coal mines. It can also be used for coal mining work. Lifting, hauling and other tasks.
It has been proven through extensive use that it is twice as efficient as the original column returner and saves half the effort in operation. It is very popular among miners. This product can also be used for bundling and braking of large cargo. This product is a high-efficiency and multi-purpose portable underground coal mine lifting equipment designed and manufactured by our company. It can withdraw metal pillars and other buried components buried underground at various angles. It is suitable for the pillars of general mining, blast mining and high-end general mining working faces where the withdrawal mining height is higher than 1 meter. In addition, it can also be used as an auxiliary tool to pull and lift other heavy objects on the coal mining working face.
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