Stage Lifters Move Weights with Virtually Unlimited Stroke

MaritimeEquipment.com
Friday, October 25, 2013
Enerpac stage lifting of tanks for safety and precision

Hydraulic stage lifting from Enerpac Integrated Solutions provides a safe and cost-efficient technology by which large structures such as tanks, ship sections and buildings can be safely lifted over virtually unlimited stroke heights.

Stage Lift systems, in capacities typically from 10-400 tons per lift point, overcome limitations imposed by hydraulic cylinder strokes that are too short for some jobs. The systems enhance safety and save time and money by removing the need to constantly reposition multiple cylinders, Enerpac said.

Compact but powerful 700 bar Stage Lift systems - operating in multiple steps - can be actuated remotely, manually or synchronized with PLC controls, within tolerances of less than 1mm, to lift, hold and lower large objects in applications such as:
 

  • Tank jacking and lowering, including maintenance of storage tanks
  • Lifting buildings, structures, infrastructure and platforms
  • Precise lifting of turbines, transformers and fuel rods
  • Maintenance of heavy plant and equipment
  • Ship segment lifts and heavy cargo positioning
  • Lifting of bridges and bridge elements
  • Lifting conveyor belts in the mining industry


Instead of operating like standard cylinders that project their plunger upwards under a load, stage lifting cylinders project their plunger downwards when lifting. This downward force lifts the cylinder body, its spreading plate and its load clear of the ground so cribbing blocks can be placed under the spreading plate that is integrated into the cylinder. When the load is supported by cribbing blocks, the plunger is retracted so further blocks can be placed under it and it can press down again to lift the load a stage further (see steps 1-4 in graphic accompanying this story) The process can be repeated multiple times, says Enerpac.

Capable also of operating horizontally, Stage Lift Systems are employed to move large weights where other methods such as cranes are impractical, cannot gain access to lift, or do not offer the controlled precision of hydraulics.

“A beauty of the Stage Lift System is that it can be employed as several or multiple units controlled by traditional valving and safety systems - or it can be operated via Enerpac’s PLC-controlled Synchronous Lifting System, with which one person can control huge lifts from a safe distance,” says Enerpac.

Stage lifting types include:
 

  • BLS/BALS stage lift cylinders in steel or aluminium with capacities from 25-250 tons, featuring cylinder in climbing plate, rotation protection of plunger, tilt saddle on cylinder base.
  • Jack n’ Pack heavy lifting types in capacities from 50-400 tons, in steel housings.


Stage Lift Systems are among the world’s most advanced, safe and versatile high-pressure industrial lifting, pumping and heavy materials handling technologies being introduced to S E Asia by Enerpac.

These include a new generation Enerpac EVO synchronous lifting system that replaces manual control of hydraulic heavy lifting with PLC control of multiple cylinder lifts, offering accuracy, safety and productivity benefits for precision heavy lifting.

The new EVO synchronous system (above) offers eight standard hydraulic control modes and can control 4, 8 or 12 points with one hydraulic power unit (HPU). A master control unit is also available that offers daisy chain control of up to 16 EVO systems, giving a maximum of 192 lifting points.

Safety benefits of the PLC-controlled system include elimination of the potential for error with the multi-operator manual control approach. The digitally precise EVO-system incorporates warnings and stop functions. It offers full monitoring and control, with programmable failsafe monitoring and safety alarms.

  • EVO synchronous system

    EVO synchronous system

Maritime Reporter July 2015 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Technology

Nautilus Awards Contract for Dewatering Plant Design

Nautilus Minerals Inc. has awarded a contract for the design of the Solwara 1 dewatering plant to be used on the company’s production support vessel to the Brisbane

McMurdo Introduces Real-time Fleet Management

McMurdo  has announced PRISMA Connect, a web-based integrated fleet management system that connects ship to shore in real-time for improved communication and operational efficiencies,

Dometic Debuts Engineering Team for Ship-wide Ventilation

Dometic Marine, a division of Dometic Group, a global provider of leisure products for the marine, truck, caravan, motor home and automotive markets, has unveiled its new,

Tanker Trends

Nigeria LNG to Receive Four Ships in 2015

Nigeria Liquefied Natural Gas Company (NLNG) expects to take delivery of four LNG carrier ships before year-end and another two next year, its chief executive said,

Singapore MPA Wants LNG Bunkering Options

Singapore's Maritime Port Authority is seeking proposals on liquefied natural gas bunker supplies as it shifts away from fossil fuels towards gas while trying to

NewLead Holdings Announces Commercial Competency of MT Sofia

NewLead Holdings Ltd.announced today a review of the commercial competency of one of its bitumen tanker vessels, the MT Sofia since the vessel was delivered to NewLead's fleet.

News

Four Rescued from Boat Fire in California

U.S. Coast Guard and firefighter crews helped rescue four people from a boat fire Tuesday afternoon in Alameda, Calif.   Coast Guard Sector San Francisco Command

Major Ivorian Cocoa Buyers Boycott Local Exporters Scheme

Major cocoa buyers are boycotting a scheme in Ivory Coast aimed at guaranteeing local firms a share of the lucrative export market, arguing that these players lack

Nautilus Awards Contract for Dewatering Plant Design

Nautilus Minerals Inc. has awarded a contract for the design of the Solwara 1 dewatering plant to be used on the company’s production support vessel to the Brisbane

Marine Equipment

Four Rescued from Boat Fire in California

U.S. Coast Guard and firefighter crews helped rescue four people from a boat fire Tuesday afternoon in Alameda, Calif.   Coast Guard Sector San Francisco Command

Arctic Range of Liferafts Introduced

Ship operators working in polar regions can now equip vessels with liferafts from the SurvitecZodiac range that have been manufactured to meet Arctic operating conditions.

Nautilus Awards Contract for Dewatering Plant Design

Nautilus Minerals Inc. has awarded a contract for the design of the Solwara 1 dewatering plant to be used on the company’s production support vessel to the Brisbane

Maritime Safety

Four Rescued from Boat Fire in California

U.S. Coast Guard and firefighter crews helped rescue four people from a boat fire Tuesday afternoon in Alameda, Calif.   Coast Guard Sector San Francisco Command

Arctic Range of Liferafts Introduced

Ship operators working in polar regions can now equip vessels with liferafts from the SurvitecZodiac range that have been manufactured to meet Arctic operating conditions.

McMurdo Introduces Real-time Fleet Management

McMurdo  has announced PRISMA Connect, a web-based integrated fleet management system that connects ship to shore in real-time for improved communication and operational efficiencies,

Vessels

Engine Refit for Mersey Pilot Boat

James Troop supplies two new Volvo Penta engines to upgrade Mersey pilot boat   Merseyside-based engine specialist James Troop & Co has secured a deal to supply

Eastern Launches Second MPSV for Hornbeck

Eastern Shipbuilding Group, Inc. has launched the second of two 302’x76’x26’ multipurpose service vessels in the HOSMPSV 310ES series for Hornbeck Offshore Services, LLC.

NYK Vessel Rescues 336 in the Mediterranean

On July 14, Hermes Leader, a car carrier operated by NYK Line, rescued 336 people in the Mediterranean Sea. On July 14, the vessel received an emergency

 
 
Maritime Careers / Shipboard Positions Maritime Security Maritime Standards Offshore Oil Pipelines Pod Propulsion Port Authority Ship Electronics Ship Simulators Shipbuilding / Vessel Construction
rss | archive | history | articles | privacy | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.1942 sec (5 req/sec)