ENERPAC - Industrial Tools Page 369
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JS-Series, Jack-Up Systems Enerpac Jack-Up Systems JS Series The Jack-Up System is a custom developed multipoint lifting system. A typical system setup includes four jack-up units, one positioned under each corner of a load. A load is lifted in increments as barrels are slid into the system, lifted, and stacked; forming ‘lifting towers’. A jack up system is operated and controlled by a computer control unit. Example: A four unit setup with JS250 has a lifting capacity of 1100 ton (275 ton per unit). The lifting frame of a jack up unit contains four hydraulic lifting cylinders, one in each corner, which lift the load using the stacked steel barrels. Each unit’s lifting and lowering operations occur simultaneously; the computer control unit’s synchronous technology maintains the balance of the load. B Capacity per Lifting Tower: 138 - 825 tons Lifting Height: Up to 20 - 66 feet Jack-up System Smart Box The Smart Box SBJS-V4 is Enerpac’s proprietary control platform. It allows an operator to control up to 8 jack-up towers simultaneously with one SBLT1 standard laptop. • Single operator control from a central location provides safe and reliable operation • Synchronous lift /lower and load control between the lifting positions • Automatic lifting and lowering cycles • Displays individual and accumulative stroke/load • Simple graphical user interface E 2 A F ① End barrel with 3D Swivel ② Handle for manual barrel insertion on JS125, JS250 and JS500. Automatic barrel insertion on JS750 1 C L Adjustable Top Barrel W J Includes double-acting lock nut cylinder with swivel saddle. Cylinder can be extended to contact the load. Provides ability to adjust starting height of each leg, ensuring safe and stable lifting. Must be operated with separate pump. H Jack-Up Systems (JS) Steel Barrel (BLJS) ▼ Steel Barrel For use with Jack-Up System JS125 JS250 JS500 JS750 Barrel Set Model Number Barrel Dimensions (in) Number of Barrels per Set BLJS 125 BLJS 250 BLJS 500 BLJS 750 4 4 4 4 Weight per Barrel L W H (lbs) Trolleys & Skid Tracks 23.62 45.28 66.93 90.55 23.62 45.28 66.93 90.55 11.81 19.69 27.56 39.37 231 792 2090 5170 Allows horizontal travel of jack-up systems. ▼ Jack-Up Systems Capacity Model per Tower Number Maximum Sideload (ton) 138 275 550 825 JS125 JS250 JS500 JS750 3% @ 19.6 ft 3% @ 32.8 ft 4% @ 49.2 ft 5% @ 65.6 ft Base Frame Dimensions (in) Maximum Lifting Speed Barrel Loading System (in) (ft/hr) A B C E 16 13 13 13 47.25 88.58 110.25 144.50 43.31 80.71 90.55 127.95 37.60 58.07 66.93 93.50 27.56 52.81 69.75 98.25 F J 27.56 8.07 52.81 16.46 69.75 18.03 98.25 29.29 Electric Power Pack Weight per Jack-Up Unit * Weight End Barrel (3D Swivel) hp (lbs) (lbs) 12 20 40 40 5280 16,500 30,250 52,800 1254 5280 8470 19,800 * Weight per Jack-Up unit, excluding end barrel or barrel sets. 367
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