Mining Hoisting System Draving

Mar 12 2017 yorke hoist a hoist mounted on a vertical pipe stayed by wires from the top enabling free movement of the hoist mechanism around the mine shaft using a hoist is generally a two person job a bucket of mullock from deep inside a mine shaft can be hoisted to the surface swung away from the shaft and emptied by an operator at the surface

Hoist system parameters outokumpu selected a configuration based on a single mine hoist with combined skip and cage and counterweight the 4rope 45metrediameter friction hoist has deflection sheaves to match the 5metre shaft layout the hoist is powered by a directly coupled overhung 25 mw synchronous motor with direct torque control

The hoisting system is essential for the transportation of equipment personnel mined ore and thus for the productivity of the mine it consists of various components in which there are winders

The koepe hoisting principle that was mentioned before has the following background in earlier times the machines had huge cylinders on which the ropes were winded up this was connected with the disadvantage that with heavy loads in the pit cages and especially in the inner windings a great strain was effecting the ropes because they

This system is the main component that performs the drilling operation by either lifting or lowering the casing or drill pipes to drill and finally complete the well the major components of a hoisting system are derrick block tackle system drawworks and miscellaneous hoisting equipment like elevators hooks and weight indicator

The hoisting system including 1 size and capacity of hoist headframe and sheaves type and manufacture type of drive electricdiesel safety factors maximum load capacity maximum fleet angles wire rope specifications construction and classification rope breaking strength and working load data

Hepburns hoist manager is a powerful stateoftheart window to the hoist for monitoring and control designed to improve hoist automation safety maintenance and operating efficiency this comprehensive and user friendly system can be retrofitted to existing hoisting plants as well as incorporated into new hoists continuing a tradition of innovation hepburn has introduced the cutting

Jan 10 2017 mining is one of the oldest technological and engineering fields in existence and the demand for highquality mining structures is steadily on the rise according to the world trade organization wto the 4 billion mining industry sector has experienced a 6 annual percentage increase in the global export of mining products 20102014

Coalfield services provides and installs a comprehensive line of turnkey mine hoisting systems in our 40 year history we have installed repaired and replaced shaft steel ropes cages skips hoist mechanicals and headframes

Mining hoisting system draving 46 6335 ratings the gulin product line consisting of more than 30 machines sets the standard for our industry we plan to help you meet your needs with our equipment with our distribution and product support system and

Mine hoists are responsible for the safe transport of people and material underground so they need to be 100 per cent reliable keeping the hoist up and running requires more than any other item of mining equipment the skills of two diverse engineering teams the electrical and the mechanical

This article was prepared for the queens university mine design wiki page the following article is regarding the design of underground mine hoisting systems mine hoisting systems are comprised of five major components hoists conveyances wire ropes shafts and headframes each of these components requires extensive design considerations

Hoisting in cars on cages although hoisting in skips has largely replaced hoisting in cars at most modern metal mines the latter practice is still employed and under some conditions has certain advantages that may outweigh the disadvantages thus in mines where two or more grades or classes of ore in addition to waste must be hoisted separately it would be necessary when using skips

Oct 04 2015 mining hoist winder used for lifting mineral from underground haulage system in underground mining my first visit in hindi india duration 630 mining mantra 2272 views

Ausgabe 012015 the mostly applied shaft sinking method is conventional shaft sinking by drilling and blasting using this method almost any shaft geometry is feasible and challenging ground conditions can be sunk through with acceptable sinking performances particularly mucking and hoisting operations of the sinking cycle have a relevant impact on sinking performance and offer

mine car circulation system with rotary tippler rope force measurement system for skip and cage signaling system for shaft sinking process remote control radio system for grab cranes cascade dewatering system for the shaft sinking phase signaling system for emergency hoisting winch platform hoisting winch rescue

Abb mine hoist solutions provide the lowest possible life cycle cost the highest reliability and system availability short project execution time and a single source of supply for the complete system including service and spare parts with our global presence we are always close to our customers

The journal of the south african institute of mining and metallurgy august 2004 411 introduction mine hoist operation carries particular risk of crashtype accidents at the upper and lower extremities of the hoisting range furthermore a number of factors combine to increase the severity of the consequences that such an accident could have

As a verb it refers to selective mining of the best ore in a deposit highgrader one who steals rich ore especially gold from a mine hoist the machine used for raising and lowering the cage or other conveyance in a shaft holding company a corporation engaged principally in holding a controlling interest in one or more other companies

Adit a horizontal or nearhorizontal passage driven from the earths surface into the side of a ridge or mountain for the purpose of working ventilating or removing water from a mine where either a vertical shaft or an adit can be used to reach a mineral deposit the generally lower cost of

Learn about mining with this dictionary full of mining terms methods from base metals to stopes more

Jan 01 2017 a cost effective hoisting system is a great call for small scale miners who cannot afford to import a proper hoisting system 2016 the authors published by elsevier bv peerreview under responsibility of the organizing committee of the 14th global conference on sustainable manufacturing

Derek naude senior associate hoisting specialist mining read more jon treen senior vice president regional business leader mining global the growth of our longterm relationships with clients is built on demonstrating we care about their business and the success of their organization

Hepburns hoist manager is a powerful stateoftheart window to the hoist for monitoring and control designed to improve hoist automation safety maintenance and operating efficiency this comprehensive and user friendly system can be retrofitted to existing hoisting plants as well as incorporated into new hoists continuing a tradition of innovation hepburn has introduced the cutting