Roof Supports Mining

Following a conventional cut with a shearer to about 3 m 9 8 ft the roof supports move forward and allow the caving coal to fall via controllable caving shields onto a second conveyor mounted gob side.

Roof supports mining.

Sound roof with minimal lateral roof movement then a chock type support could be the answer at a considerable cost saving over a shield. Strata worldwide was founded on its line of engineered secondary roof supports for underground coal mining. A comprehensive industry first review of fleet automation in the mining industry. If an operator is detected within the halt headway of an advancing shield the shield is stopped and set to the roof.

Learn more about proximity detection for powered roof supports. Roof supports for special applications. As with all cat products top quality and leading innovation result in products that deliver maximum performance and system availability long service life and lowest possible. In a longwall complex roof support shields cooperate with a heading shearer and a.

One type of shield support marketed by downty is 4 leg 400 te sub level caving shield support. Our longwall top coal caving ltcc roof supports allow mining of seams up to 10 m 32 8 ft. Support system for hard rock mining. A full range of roof supports are available for mining heights from 550 to 7500 mm 1 80 to 24 60 ft with support capacities in excess of 1750 tonnes 1 929 tons.

The mine is able to set the halt and warning zone parameters that best suit their operators and cutting sequences. Where mining conditions are suitable i e. Originally introduced in 1993 the strata propsetter support system remains one of strata s top selling support props through out the world. The mk2 is available as a 20t load bearing version only.

Smaller operations have the option of using the rocprop mk2 a mini version of the original design that offers a cost effective solution for support systems up to 2 1m. Cost effective roof supports for small mining operations. Becker mining systems is a leader in powered roof support manufacturing. Our powered roof supports are designed and manufactured according to the latest technical and technological solutions.

Hydraulic roof supports are the equipment that control the height of and provide support to the mine roof of the working face during the coal mining process allowing armored face conveyors and shearers to operate underneath.