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Railroad crane

and accident recovery work. Although the design differs according to the type of work, the basic configuration is similar in all cases: a rotating crane body is mounted on a sturdy chassis fitted with flanged wheels. The body supports the Jib (UK) (boom (US)) and provides all the lifting and operating mechanisms; on larger cranes, an operator's cabin is usually provided. The chassis is fitted with buffing and coupling gear to allow the crane to be moved by a locomotive, although many are

Rough terrain crane

Rough terrain Crane is a crane mounted on an undercarriage with four rubber tires that is designed for pick-and-carry operations and for off-road and "rough terrain" applications. Outriggers are used to level and stabilize the crane for hoisting. These telescopic

Jib crane

A Jib crane is a type of crane where a horizontal member (jib or boom), supporting a moveable hoist, is fixed to a wall or to a floor-mounted pillar, which is a style of cranes in case of which a horizontal portion called the boom or the jib supports a

Tower Crane

used to lift steel, concrete, large tools like acetylene torches and generators, and a wide variety of other building materials. Tower cranes have distinct advantages over conventional lattice boom crawlers or truck cranes because the boom or Jib looms high above the work site. The tower cranes jib can place its load anywhere within the radius of operation without interfering with the structure over which it swings. In addition, the operator can either be on crane or control the crane remotely

Jib Crane

Jib crane is another important type of bridge construction machinery. Jib cranes derives their name from the horizontal beam, or jib, upon which the shuttle or hoist is mounted. With horizontal load-supporting boom fastened to a rotating vertical

FAQ About Jib Boom Crane

  • Truck Crane Boom Equipment

    • tip height is 133’ (40.54 m).BOOM HEADWelded to outer section of boom. Five or six load sheaves and two idler sheaves are made of nylon and mounted on heavy- duty antifriction bearings. Quick reeving boom head. Provisions made for side-stow Jib mounting.Truck Crane OPTIONAL BOOM EQUIPMENTMAIN BOOM33’ (9.68 m) four section full power boom. Telescoping is mechanically synchronized with single pedal control. The synchronization system consists of a single telescope cylinder and high

  • Tower crane lifting boom

    • Tower crane lifting boom comprises main boom and fixed Jib, the structural type is lattice structure of four tubular chords with intermediate equal section and two end variable section, main boom chord and web rod are made of domestic high quality tube, with the ability for improving torsion resistance. Boom

  • Crane History

    • a drum, around which a rope was wound. The rope was connected to a pulley at the top of the boom and to a hook that lifted the weight. An important development in crane design occurred during the Middle Ages, when a horizontal arm known as a Jib was added to the boom. The jib was attached to the boom in a way which allowed it to pivot, allowing for an increased range of motion. By the sixteenth century, cranes were built with two treadmills, one on each side of a rotating housing containing

  • PORTABLE TRUCK-MOUNTED CRANE BOOMS

    • a 10-ton limit. The high-lift telescoping boom is generally attached to a truck bed next to the cab to distribute the load to all axles of the truck for the best stability. With the boom fully extended it can reach more than 80 ft and a Jib can be added to reach as much as 140 ft. To improve the stability of such a high setup the boom supports have outrigger feet on the ground outside both sides of the truck bed. The approximately 20-ft basic length of the retracted boom section allows

  • Mobile Crane Tower Attachments

    • mobile crane models can be equipped with an optional front-end attachment composed of a fixed vertical tower pinned at the position on the superstructure where a boom is ordinarily mounted. A luffing boom is affixed at the tower top, and aJib is sometimes fitted at the end of the boom. Towers and booms are made up of inserts of various lengths so that a number of tower-height and boom-length combinations can be assembled The manufacturer's instructions generally include an advice

  • Mobile Crane Clearances

    • shortcomings often are interferences between the moving crane or load and other objects. These are referred to as clearance deficiencies. Clearance problems can come up in various ways. The lifted load is at risk of fouling the boom or Jib. A wide load lifted close to the head machinery at a high boom angle could be at risk. This is sometimes a dilemma faced by riggers placing unwieldy vessels or machinery. Several styles of boom heads such as the hammerhead tip or offset tip

  • Mobile Crane Clearance In Tight Quarters

    • and into a postage-stamp sized position is a subject unto itself. Once there and operating, clear ance for both the front end and the back end is often tight and needs verification. A large front-end attachment such as a boom with a luffing Jib has a correspondingly large minimum working radius. While the boom or jib might have clear space to swing from the pickup location to the load setting zone, the minimum radius prevents loads from being placed close to the crane. A luffing

  • Heavy Duty Jib Cranes

    • Heavy Duty Free Standing Jib Cranes are very versatile cranes.  These Floor Mounted Jib Cranes are perfect underneath large bridge cranes, in open areas where they can serve several work stations, in outdoor applications such as loading docks, or in machining and assembly

  • Jib Cranes

    • Jib cranes are a style of cranes in case of which a horizontal portion called the boom or the jib supports a moveable hoist and is generally attached firmly to a wall or a pillar fixed to the floor. Commonly termed as crane jibs, these machines

  • Portable Jib Crane

    • Jib cranes are a particular design of design of cranes in case of which a horizontal section called boom or jib, which supports a moveable hoist, is attached to a pillar screwed on to the ground or is attached to the wall.  The crane either remains

  • Self Propelled Cranes

    • The road speed of this type of crane is generally low usually not exceeding 30km p/h. A variety of self propelled crane formats are available ranging from short height lifting strut booms of fixed length to variable length lattice booms with a fly Jib attachment. Typical specification main boom length 38,000 lifting capacities for a 24, 000 main boom length 1. stabilised on outriggers 31-4 tonnes at 4,000 radius 19-0 tonnes at 8,000 radius 2. free on wheels 9.6 tonnes at 4,000 radius 4

  • Lorry Mounted Cranes

    • a conventional front cob and the crane being controlled from a different location. The lifting capacity of these cranes can be increased by using outrigger stabilising jacks and the approach distance to the face of building decreased by using a fly Jib. Lorry mounted telescopic cranes require a firm surface from which to operate and because of their short site preparation time they are ideally suited for short hire periods. Typical Lorry Mounted Telescopic Crane Details boom length 18,000 lifting

  • Crane Preventive Maintenance Checklist

    • boom head structure Manual Section: alignment locking device structure Lattice Boom Extension: boom, extension alignment cords lattices end connections storage device sheave(s) wire rope retainer structure Jib: positive stops sheave(s) wire rope retainer(s) structure Main Load Block & Hook: capacity marking weight marking sheaves safety latches 10° hook twist 15% hook throat opening 10% hook wear swivel bearing

  • Crawler Crane QUY50

    • [caption id="attachment_403" align="aligncenter" width="413" caption="crawler crane quy50"][/caption] Item Unit Parameter Max. lifting capacity Boom t 50 Jib t 4 Max. load moment kN.m 1815 Boom length m 13?52 Boom elevating angle ° 0?80° Fixed jib length m 9.15?15.25 Fixed jib offset ° 10,30 Max.

  • Mast Style Jib Crane

    • [caption id="attachment_375" align="alignleft" width="218" caption="Mast style Jib crane"][/caption] Mast Style Jib Cranes are efficient because they do not require a foundation and the large base plate, but do require mounting at the top and bottom.  Available in both a full and drop cantilever, with the drop cantilever

  • BossBuyer Jib Cranes

    • Jib Crane Definition: A cantilevered boom or horizontal beam arm with bearings, hoist and trolley. This lifting machine may pick up loads in all or part of a circle around the column to which it is attached. Jib cranes can be sturdy enough to lift

  • Wall Mounted Jib Cranes

    • [caption id="attachment_367" align="alignleft" width="218" caption="Wall mounted Jib crane"][/caption] Wall Mounted Jib Cranes are an economical and efficient way to move material when floor space is not available and digging a foundation for the crane is not feasible.  Tie rod jib cranes are affordable when there are no

  • Workstation Jib Cranes

    • BossBuyer Workstation Jib Cranes work best for light capacities yet offer the same benefits as a Freestanding Jib Crane. These lighter jib cranes come with a hoist trolley and only require a 6" reinforced concrete floor.  Optional portable bases are available to

  • Wall Traveling Jib Cranes

    • Primarily used for long lateral movement under an overhead crane, the BossBuyer Wall Traveling Jib Cranes provide lift under a large overhead crane without interfering with the overhead crane.  This enables workers to continue lifting material without waiting for a larger overhead crane to become available. BossBuyer Wall Traveling Jib Crane end

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