What is an LHD vehicle in mining?
Underground Mining Load Haul Dump (LHD) Loaders.
What is SDL and LHD?
UG MINING METHOD. • SIDE DISCHARGE LOADER (SDL) • LOAD HAUL DUMP (LHD)
What is the function of LHD?
LHD (load, haul, dump) loaders are similar to conventional front end loaders but developed for the toughest of hard rock mining applications, keeping overall production economy, safety, and reliability in consideration. They are extremely rugged, highly maneuverable, and exceptionally productive.
What is a LHD loader?
Caterpillar offers a range of Underground Mining Loaders to match mineral conditions and maximize productivity. A range of size options and configurations (including Ejector Bucket options) are available to suit your specific needs.
What is a shuttle car?
A vehicle on rubber tires or continuous treads to transfer raw materials, such as coal and ore, from loading machines in trackless areas of a mine to the main transportation system. See Also: rubber-tired haulage, trackless tunneling.
What is side discharge loader?
SIDE DISCHARGE LOADER is a track mounted electro hydraulically operated side discharging bucket loaders with smooth control system, excellent maneuverability. It is a low-profile high output machine.
What is the SDL machine?
Side Discharge Loaders (SDL) is now used as a dominant loading machine for intermediate face mechanization in underground coal mines. To meet the production and productivity issues, the SDL machine should be reliable and maintained effectively and efficiently to have maximum availability.
What is the maximum suitable hauling distance for SDL?
best way to improve SDL productivity is to keep the lead distance in the range of 6 to 9 m and at any time it should not exceed 18m during any shift.
How does a continuous miner work?
Continuous miners cut and gather the material simultaneously and convey it into shuttle cars, haul trucks or a continuous haulage system. They are typically used for full-scale production in room-and-pillar mining operations.
How much does a continuous miner weigh?
145,000 lbs.
Specifications for 12CM12
| Cutter head design | Solid head |
|---|---|
| Minimum cutting height *Without dust collector | 55 in 59 in 85 in |
| Weight | 145,000 lbs. |
| Ground pressure | 31 psi |
| Ground clearance | 12 in |
What is Armloader gathering?
A machine for loading loose rock or coal. It has a tractor-mounted chassis, carrying a chain conveyor the front end of which is built into a wedge-shaped blade.
What is the largest size of dumper in CIL?
CIL has also ordered 190-tonne capacity dumpers numbering 102 from Caterpillar.
How do you calculate OMS in mining?
Output per Man Shift (OMS)
- In mining, OMS is one of the measures of efficiency for the production.
- Details of OMS Calculation.
- (i) Calculation for UG OMS = Coal Production/ Manshift.
- (ii) Calculation for Open Cast OMS = {Coal production+(1.4*OBR)} / {Manshift+(Manshift*Average Stripping Ratio*1.4)}
How much does a continuous miner cost?
| EQUIPMENT OPERATING COST CALCULATIONS | ||
|---|---|---|
| PRODUCTION | # UNITS | TOTAL R&M |
| CONTINUOUS MINERS | 2 | $848.00 |
| SHUTTLE CARS | 4 | $416.00 |
| ROOF BOLTERS | 2 | $176.00 |
How much does a continuous mining machine cost?
It just runs and runs.” When this panel is mined, the whole machine will be disassembled and moved to the next panel, a process that can take as few as 11 days. A single longwall machine of this size costs $70 million, but at current coal prices, it pays for itself in about two months.
How many dragline are there in WCL?
Dragline, 35 nos. Shovels, 112 nos. Dumpers and 43 nos.
What is an LHD loader for underground mining?
Underground scooptrams or LHD mining vehicles are more often prevalent in this application in underground mines. Precautions, maintainability, and a strategy to solve challenges are all requirements for an underground tunnel. In this situation, LHD loaders are critical in all underground mining maintenance works.
What are LHDs and haulers?
The usage of underground loaders (LHDs) and haulage carriers to move rock from the excavation face to the production facility or continuous haulage networks is an inextricable part of underground mining exploitation. Underground scooptrams or LHD mining vehicles are more often prevalent in this application in underground mines.
Why choose Fucheng LHD machine in mining?
Our LHD machine in mining guarantees long life and low operating costs with its robust structure and simplified maintenance. Fucheng four-wheel-drive LHD machine in mining with capacities ranging from 1.4 to 4 tons have been designed with driver safety, performance, and reliability in mind.
What are the limitations of LHD in mining?
In mining, there is a limitation for shifting heavy equipment, and sometimes, an LHD has to be shifted through a shaft while dismantled. An LHD tramming capacity varies from 1 to 17-25 tonne. Their bucket size varies from 0.8 to 10 m 3.