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What Are The Rules For Cable Protection Tubes?

(1) When the cable is to be laid through a protective tube, the inner diameter of the pipe shall not be less than 1.5 times the outer diameter of the cable, and the inner diameter of the concrete pipe...

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What Should Be Cautious When Using Mud Pump Water Hose

Application of mud pump water tape: When using high-pressure water tape, the high-pressure water tape should be connected to the water pump that close to it, water-filled water tape should prevent twi...

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Several Failure Forms of Mine Cart Wheelset

wheelset needs overhaul and replacement of seals and bearings when it is normally used for 6 months downhole....

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Why Mine Battery Locomotive Not Running after Controller Closed

Mine Battery Locomotive not walking mainly due to open circuit of electrical parts, usually familiars are found in the following six kinds of circuit: the pantograph and automatic switch off; controll...

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What is Mine Electric Locomotive Structure and Main Parts?

Mine electric locomotive mainly formed by the mechanical and electrical two major components....

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Failure Performances of Shearer Cutting Unit Rocker Gearbox

Shearer cutting unit rocker gearbox is not like the general type of fixed installation, but with the shearer cutting unit as a whole up or down tilt, and with the shearer production process needs and ...

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