Is it possible to toggle a different kind of sprite selection. Strand jacks are mainly used with towerlift system. Corrosion protection to all exposed and running surfaces for long life and suitable for use in marine environment of jacks. Enerpac strand jacks are the strand jacks of choice for customers seeking precise synchronous control with heavy lifting capacity in an economical. A strand jack also known as strandjack is a jack used to lift very heavy e. Mono jack is the tensioning jack for single strand stressing, with strand. Sliding gantries operate more slowly, move on skid shoes, and use strand jacks for lifting.
Power stress mono strand stressing jacks are front gripping jacks suitable for 10, 12. These attributes make the 6dahseries the jacks of choice for elevated construction projects. Annexurei technical specification of strand jack for. It is a modular system that consists of setting up a jack and a. New quotes of sourcing request 0 manage products edit my showroom sign out. Telescopic strand guide tubes through the full height of strand jack to prevent buckling and birds nesting of strands inside of the jack. Mammoets strand jacks offer faster and more efficient routes for transporting heavy objects horizontally or vertically, even in situations. The result is a durable, lightweight, and compact stressing jack. A strand jack essentially comprises the lifting cylinder and. A jack is a mechanical lifting device used to apply great forces or lift heavy loads. Strand jack dimensions and specifications type 3 type 4 capacity 900 t 900 t working pressure of the cylinder 400 bar 400 bar stroke 400 mm 400 mm strand type dyform dyform strand diameter 18 mm 18 mm max. Hand seating tool for unbonded single strand tendons, a handheld device used to preseat the wedges in the anchor before stressing. However, a ptc crane is far more versatile and efcient and can be used for many lifts during a project.
Do you have a job that requires a specific capacity. The strand jacks employ a strand management system consisting of a strand guide and recoiler. A strand jack is a hollow hydraulic cylinder with a set of steel ropes the strands in the name passing through the open centre, each one passing through two clamps one mounted to either end of the cylinder. Pre cast deck should be launch by strand jack or rr hydraulic. Above and below the cylinder are anchor systems with wedges that grip the strand bundle simultaneously, this is how the strand jack. Mcmillan engineering group can design and manufacture a multi strand jack to suit. China high tonnage heavy duty lifting strand jack china strand. Hydraulic strand jacks strand jack systems enerpac. Pdf a heavylift scheme has been developed for the erection of the 88 m long steel.
A mechanical jack employs a screw thread for lifting heavy equipment. Olmsteds system keeps the strands coiled and only allows the length needed for each lift to be deployed. Each installation is delivered with an instruction and operation manual in english. Slide the jack forward to release the jack grippers and remove the jack from the strand. Strand jack technology offers comprehensive control of a lift including. Strand jacks ideal for continually lifting heavy loads precisely over long distances a strand jack can be considered a linear winch. By means of hydraulic cylinders and steel wires strands, the heavy load component is lifted to the required height or pulled skidded to a certain position. In a strand jack, a bundle of steel cables or strands are guided through a hydraulic cylinder. For use with smaller strand, jack grippers of diff erent sizes are available. The strand jack lifting technique originates from the concrete post tensioning principle. This is particularly true when heavy loads need to be moved. Mammoets strand jacks offer faster and more efficient routes for transporting heavy objects horizontally or vertically, even in situations where the amount of available space is limited.
Annexurei specification of strand jack for heavy lifting 1. The farm jack is also known as a hilift jack or railroad jack. This is a suitable concept for a single heavy lift during a project, for example using mammoets msg system. The most common form is a car jack, floor jack or garage jack. Hsl50006 strand jack hslseries, heavy lifting strand jacks strand jacks enerpac strand jacks are the strand jacks of choice for customers seeking precise synchronous control with heavy lifting capacity in an economical, compact, and reliable foot print. Hydraulic jacks providing you the best range of threaded ram double acting general purpose jacks, aluminium general purpose threaded ram jacks, aluminium general purpose plain ram jacks, bar stressing jacks, multi strand jacks and pile testing jacks. A strand jack also known as strandjack is a jack used to lift very heavy loads for construction.
Crystal multipoint calibration procedure for stressing jacks glrco1 1. China strand jack lifting china strands lift, hydraulic lift. To comment on this paper, please email up to 500 words to the editor at. China wholesale 60600 tons hydraulic strand jack system. China high tonnage heavy duty lifting strand jack, find details about china strand jack animation, lifting strand jacks from high tonnage heavy. If you would like to see this page in another language, please use the language dropdown.
A strand jack is a specialized hydraulic jack that grips steel cables. Powerstress 25t lightweight mono strand stressing jacks. Strand jacks, strand jack for construction, 200t hydraulic jack manufacturer supplier in china, offering strand jacks construction sv sj, clp1002 model hydraulic jack with local nut, 1837 nm. Other strand jack systems usually have the strands hanging free from the jack instead of being coiled as. Annexurei specification of strand jack for heavy lifting. Crystal multipoint calibration procedure for stressing. Hydraulic jacks threaded ram double acting general. Jack, monostrand a mechanical device normally hydraulic used to apply force to a single strand. There are english manual or teaching video that show how to use machine. Grippers special wedges used in the single strand jack to hold the strand during the stressing operation. C viii 0 1014 c viii 0 1014 strand lifting can be used to lift or lower almost any load, regardless of its height. Prestressing jacks mono strand pre stressing jacks.
A strand jack is a system similar to a jack, however in this case the load is not pushed up, but the jack pulls up a bundle of wires, which is called a strand. In a strand jack, a bundle of steel cables or strands are guided through a hydraulic cylinder, above and below the cylinder are anchor systems with wedges that grip the strand. Dorman long technology strand jack systems strand jacks, power packs and control systems. Tmg has a range of stressing equipments that includes mono jack. Hello, i love the jack editor and have been using it constantly to work on my mod occultscrim for hl1. Application of sand jacks to temporary wedge the precastprestressed beams of a 450 meters x 2 twinlane bridge, until the crossbeams concrete matured to finally bear the entire weight. In a strand jack the steel cable or strands are guided through a hydraulic. Pjm industrial offer 10t, 25t and 30t mono strand prestressing jacks or pre stressing jacks. Strand jacks are recognized as the most sophisticated lifting devices currently available. Pdf the 4000 tonne lift of stonecutters bridge steel backspans, h. Strands lift, hydraulic lift, strand lift manufacturer supplier in china, offering strand jack lifting, clp1002 model hydraulic jack with local nut, 1837 nm sqaure driven hydraulic torque wrench and so on.
Stressing equipments is an essential part of post tensioning prestressed concrete work. The language has been changed due to your browsers language settings. China wholesale 60600 tons hydraulic strand jack system, find details about china strand jacks lifting, strand jack lifting system from. Dlt strand jack systems brochure dorman long technology home. Other strand jack systems usually have the strands hanging free from the jack instead of being coiled as shown.