Scope
The document imposes restrictions on mine hoists and mine winders in respect of physical performance and intended use.
The document is applicable to electrically-powered or hydraulically-driven non explosion-proof and explosion-proof friction mine hoists, mine drum hoists, disc braking mine winders and block braking mine winders (hereinafter referred to as hoists and hoisting winders). The document is not applicable to band braking mine winders.
Purpose
Mine hoists and mine winders are the key mechanical equipment in the mining transportation s ystem of mines. They are responsible for lifting minerals, personnel and equipments.It known a s the "throat equipment" of mines, and widely used in mine shafts and inclined shafts,Its technical performance and quality not only directly affect mine production, but are also closely relate d to the safety of mine employees,so the mine hoists and mine winders occupies a very import ant position in mining, and has attracted much attention from manufacturers and mine users.
Comment on proposal
Required form fields are indicated by an asterisk (*) character.