ID# H135.

12 FT Double Drum Mine Hoist

Production Hoist

Rope Cassette Width: 111”

Drum Diameter: 144”

Speed: 679 Ft./Minute

Clutch 2 Arm CIR type on one drum

Unbalanced Line Pull 61,000 Lbs

Balanced Line Pull 85,000 Lbs

Drum RPM: 18.03

Gear Ratio: Double Reduction for a total ratio of 27.73/1

Cable Diameter: 48mm

Grooving on Drum Spiral wound

As configured can be operated as a blair

Hoist: Double Drum One drum clutched with 2 arm clutch on outboard drum, bearing in middle of main shaft, four bearings total on shaft. Drums Cast Spiders, construction , Drums are split. One independent stiffener ring per drum.

Brake Engines Drums: Parallel Acting Drum type, on the drum, Air brake cylinders. with weighted closure, Wood brake friction pads

Pinion Brake: Air Operated Spring Set four caliper acting on 36” Disc

Motors: 2 Each GE, 1,500 Hp, 500/580 RPM, 500 Volt, Shunt Wound DC motors, Armature Amps: 2,370, Field Amps: 31.2, Field Ohms 5.2, Driving on fixed “inboard” side of hoist.

Main Bull Gear: Herring Bone 24” Face about 10’ Diameter, some minor pitting 152 teeth

Intermediate Pinion: Herringbone 39 Teeth

Intermediate Bull Gears: Double Bull Gears mounted on a single shaft on either side of intermediate pinion 185 teeth, Both gears make up both sides of a herringbone gear

First Pinion: double cut herring bone to match the two intermediate bull gears. 26 teeth

Note: if intermediate Bull gear and pinion are removed and two pinions are cut with 22 teeth to match primary pinion, the hoist could be driven by 2 Each 1,500 Hp motors and would have a speed of 2,296 FPM at 57,000 Lbe of line pull in balance

QUANTITY AVAILABLE (1).

Location: Florence, Arizona.