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Railroad crane

Railroad Cranes run on train tracks. They move loads in and out of train cars. They can lift very heavy loads. Railroad cranes can even lift train cars.Train cars are heavy. In an accident, they may leave the tracks. The cranes can pick them up and put them back

Floating crane

Floating cranes are used mainly in Bridge building and port construction, but they are also used for occasional loading and unloading of especially heavy or awkward loads on and off ships. Some floating cranes are mounted on a pontoon, others are specialized crane barges with a lifting

Gantry crane

Long popular in Europe, gantry cranes have become a widely accepted alternative to overhead Bridge Cranes. This type of crane is similar to the bridge crane except that it runs on a runway at the floor level. The bridge is supported by a pair of rigid steel legs which are carried by a pair of end trucks along the floor level runway. Gantry cranes

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 moveable

Bridge Crane

A Bridge Crane runs on an elevated runway system along the length of a factory and provides three axis of hook motion (X, Y, and Z). The hoist moves the load up and down, the trolley moves the load right and left, and the bridge of the crane moves the load

Cranes

Development depends on infrastructure and infrastructure on heavy machineries. Of all the heavy machines Cranes acquire an important position as they are involved in the building and maintenance of huge projects. Crane machines are the huge tower like machineries having ropes meant to lift or to lower any heavy devices. Hence they are also referred

Tower Crane

instrumentation located on the building structure, while enjoying an excellent view of the load and its surroundings at all limes. The use of tower crane has become synonymous with medium- to high-rise construction, be it for buildings or for Bridges, dams, cooling towers, etc. Tower cranes can be fixed or can be mounted on rails. In the latter case, it is referred to as travelling tower crane. Sites with multiple tower cranes in operation are very common these days, especially for fast-track

Bridge Crane

is a heavy machinery that is designed to build or fix a bridge. It operates on two tracks and has four way horizontal movement. Bridge cranes cover rectangular area and can be floor supported or hung from the ceiling. The main components of Bridge Cranes are bridge, trolley, hoist drum, hoist cable, hoist block, hook bumpers, pendant and limit switches. On-off switch is on control pendant for taking emergency steps, in the event of failure of any of the control panels.

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 column, jib crane is either attached to

Floating Crane

A floating Crane refers to a type of sea vessel which has a crane mounted on it. In earlier days, floating crane designs were nothing more than old ships transformed to include a huge crane mounted over the deck. Eventually, cataraman, semi-submersible designs

Gantry Crane

are those cranes which are generally used for moving heavy loads. They are a common type of portable material handling equipment used in job station or secondary task areas. Gantry cranes are quite similar to overhead cranes except that the Bridge which carries trolley is rigidly supported on two or more legs running on fixed rails.

FAQ About Bridge Crane

  • Ceiling Mount Articulating Ceiling Type Jib Crane

    • up to 16 ft. Ceiling mounted for a clear work area with no floor obstructionsAvailable in capacities from 150-2000 lbs. and spans up to 16 ft.360º at both pivot points (optional)Can be mounted to a platform supported from a Gorbel Work Station Bridge Crane to allow the jib to swing under an obstruction or outside the normal coverage of a bridge cranePlatform mounting can deliver the benefits or an articulating jib to multiple work cellsEffortless rotationCan be used with hook mounted lifting

  • YGMT Crane types

    • and perfect service. Cranes specification and capacity Ladle Crane : capacity from 50t to 480t Slab Tong Crane: capacity from 25t to 112t Material Charging Crane: capacity from 20t to 110t Magnet Crane Hydropower Station Bridge Crane with single trolley: capacity from 50t to 1200t,double-trolley capacity from 100t to 500t Hydropower Station Gantry Crane: capacity from 50t to 500t Common Bridge Crane: capacity from 50t to 650t Common Gantry Crane Quenching

  • Overhead Crane Inspection

    • these components can be inspected from the ground as the crane is being operated. If something seems wrong, then a closer look would be warranted. 4. Crane System Componants Check 5. Bridge Truck Drive Componants Check 6. Wheel Alignment For Bridge Cranes Check

  • Cranes,overhead traveling crane,Construction cranes,Tower cranes,Mobile cranes,Articulating cranes

    • no two cranes are exactly alike. Cranes used for industrial purposes are generally designed to remain permanently in one location. These cranes often perform repetitive tasks that can be automated. An important type of industrial crane is the Bridge Crane. Traveling on tracks attached to two horizontal beams, known as a bridge, a trolley enables the movement of the bridge crane. Usually, the bridge itself can be moved along a pair of parallel rails, allowing the crane to reach a large,

  • Gantry crane introduce

    • the ground, mainly used in open yard storage, shipyards, power plants, ports and railway stations to carry out cargo handling and installation. Gantry cranes lifting bodies, car bodies and bridge operation structure, with essentially the same Bridge Crane. As a result of large-span cranes are mostly used to run the respective drive means to prevent operation of a crane skew have increased resistance, or even an accident. Gantry cranes lifting the car running in the tray, and some lifting trolley

  • lifting crab of a EOT crane

    • steel side frames are in use. But now a days, preference is given to the built up side frames on which the machinery is mounted.The function of the crab is to provide cross travel motion to the hoisting machinery along the length of the main Bridge of the crane. The entire hoisting machinery is mounted on the crab which moves on runner wheel over rails fitted on the main bridge of the crane. The motion of the crab is derived from an electric motor. A speed reduction gear box and a

  • Overhead Crane and Bridge Crane

    • Bridge Cranes or likewise called overhead cranes are actually a kind of industrial material handling crane making use of a line andhook device which runs on a horizontal beam running along two widely separated rails. Numerous overhead cranes could be

  • Cranes and hoists operating rules

    • or a solid footing that will safely support the entire weight. Have a crane or hoist operator remain at the controls or lock open and tag the main electrical disconnect switch. Ensure that the rated load capacity of a crane's Bridge, individual hoist, or any sling or fitting is not exceeded. Know the weight of the object being lifted or use a dynamometer or load cell to determine the weight. Check that all controls are in the OFF position before closing the

  • Double Legged Gantry Cranes

    • (P&H) Single Girder, TR 5 2 30'-0" Span, 20'-0" Lift, 460V, P&H Hoists Semi-Gantry (P&H) Single Girder, TR 10 2 30'-0" Span, 20'-0" Lift, 460V, P&H Hoists Crane Bridges Only for Sale Bridge Only-No Hoist Double Girder, TR 10 1 50'-0" Span, Whiting, No end trucks Bridge Only-No Hoist Double Girder, TR 20 1 35'-6" Span, No end Trucks, Demag

  • Tower-mounted crane

    • building construction. They are used also on expansive sites where the broad hook sweep and the relative ease of coordinating multiple tower cranes is an advantage. There are niche markets for these as well; cable stay and suspension Bridges, offshore oil platforms, and power plants are some examples. In most of the world outside U.S., small tower cranes are used for modest-size residential and commercial projects. Many of these rigs are self-erecting machines that are pulled

  • Single Girder Overhead Cranes and Double Girder Overhead Cranes

    • with magnet and bucket operation for scrap yards, fertilizer plants and induction furnace.Class IV : Extra heavy duty cranes for steel mills and other heavy engineering purposes. Features of Double Girder Overhead Cranes Structure : Bridge girder, end carriages, crab frame manufactured from box plate design/ Rolled Sections. If required 100% radiography of all but welding joints of bridge and end carriages can be provided. The material of construction conforms to IS:2062,

  • Crane Classification

    • CMAA Crane Classification As to the types of cranes covered under CMAA Specification No. 70 (Top Running Bridge and Gantry Type Multiple Girder Electric Overhead Traveling Cranes), there are six (6) different classifications of cranes, each dependent on duty cycle. Within the CMAA Specification is a numerical method for determining exact crane class based

  • CABLE CRANES

    • CABLE CRANES The taut-linc cableway crane consists of two towers suspended between which a track cable of the locked construction is serving as a Bridge structure. A carriage with a handling attachment travels on the track cable with the aid of a haul rope and a winch. The haul rope is revved through sheaves provided at both towers and passes over a drum of the winch, forming a closed loop

  • Introduction of overhead crane operator

    • both Written and Practical Examination(s) to be certified. As detailed in this handbook, candidates may take the Practical Examination on either of the following overhead crane types: Cab-operated Pendant/remote control All overhead (Bridge) and gantry cranes that meet the requirements of the ASME B30.2, B30.11, B30.16, and/or B30.17 standards and have powered functions for hoist, bridge, and trolley are covered by CCO certification exams. Note that the NCCCO Exam Management Committee

  • Double Girder Gantry Crane

    • crane is similar to an overhead crane except that the bridge for carrying the trolley or trolleys is rigidly supported on two or more legs running on fixed rails or other runway. The EOT gantry crane functions similarly to an overhead Bridge Crane, but has rails installed on the ground and gantry-style legs to support the crane

  • Crane Gantry

    • stability and mobility. A suspended crane or overhead crane is used mostly inside factories and they are capable of carrying very heavy loads. In automated and computer controlled warehouses, a stacker crane with a forklift is used. During Bridge or port construction, floating cranes are used. To load or offload awkward or heavy machinery floating cranes are ideal. They are also used in offshore work. Aerial cranes, which are extended from helicopters, are used to lift large loads. The

  • 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 operations where they can be overlapped with other jib cranes to provide staged coverage. Industrial

  • Crane Control program analysis and comparison

    • In recent years, updating and development of Bridge Crane in order to improve crane performance as the main indicator, the speed of which the most prominent crane. The following are several commonly used to speed the program cranes were analyzed and compared. 1. Speed ??rotor resistance (1) cam

  • Metallurgical cranes on the technical requirements for special work

    • limit switch; 5. With silicon the stator voltage, eddy current brakes, power brakes, SCR power supply, DC power supply unit and the other the speed governor may cause speeding and 20t lifting mechanism for lifting the molten metal above General Bridge Crane must have the overspeed protection; 6. Hoisting mechanism should have positive and negative contactor fault protection to prevent the loss of power and brake motors are still in power which led to stall occurred; 7. The protection of all

  • Construction Machinery Types and Applications

    • machine, ballast cleaning machine, etc. Charge Such as the trolley drill, pneumatic rock drilling machines, electric drilling machines, internal combustion rock drill, and hole drilling machines, etc. Other construction machinery Such as Bridge building equipment, pneumatic tools?etc.

  • Bridge and gantry cranes

    • A Bridge Crane (or overhead travelling crane) is defined as a crane comprising a bridge beam or beams mounted to end carriages at each end, capable of travelling along elevated runways and having one or more hoisting mechanisms arranged across the bridge. A

  • Crane Component

    • bolting to mounting plate. Lateral guide rollers adjustable via eccentric bushings. Enhanced travel performance and low value side forces. Wheel Bogie Type K with angle drive WG Robust spur bevel geared motors for portal cranes and Bridge Cranes with larger capacity. Variable frequency inverter controlled motors for smooth acceleration and deceleration. Shaft-hub-connection by toothed shaft with involute flanks. Bogie-style end carriage for heavy duty bridge and portal

  • Rotary and Rectilinear Cranes

    • upon one or more rails. 8. Locomotive cranes. - Consisting of a pillar-crane mount,edi on a truck, and provided with a steam-engine capable of propelling and rotat- ing the crane, and of hoisting and lowering the load. Rectilinear Cranes 9. Bridge Cranes. - Having a fixed bridge spanning an opening, and a trolley moving across the bridge. 10. Tram cranes. -Consisting of a truck, or short bridge, traveling viinni1v nn overhead rails. and without trolley motion. 11. Traveling cranes.

  • Electric Overhead Travelling Crane (EOT Crane) Parts

    • A Electric Overhead Travelling Crane (EOT crane) consists of two distinct parts 1. Bridge 2. Crab Bridge: The Bridge consists of two main girders fixed at their ends and connected to another structural components called the end carriages. In the two end carriages are mounted the main runners or wheels (four or more) which

  • Articulating Jib Cranes

    • Articulating Jib Cranes offer a material handling solution for applications moving around beams, corners, reaching under or into machinery. Articulating jibs can be floor, wall, ceiling, or Bridge crane mounted to best suit your application. [caption id="attachment_393" align="alignleft" width="218" caption="Articulating Jib Cranes"][/caption] BossBuyer Articulating Jib Cranes have capacities ranging from 150 to 2,000 lbs. with spans

  • Rule about marking rated capacity of crane

    • units of the crane shall be legibly marked with its individual rated capacity. (2) Each crane designed and manufactured after January 1, 1971 shall have a service class rating as prescribed in “CMAA #70--Specifications for Top Running Bridge and Gantry Type Multiple Girder Electric Overhead Traveling Cranes,” 1970 edition, as shown in Appendix B. Additionally the service class rating shall be legibly marked on each crane. (3) Clearance from obstructions shall be a minimum

  • Rule about crane brakes and restraints

    • (1) An overhead or gantry crane Bridge which is powered shall be equipped with an operable brake, non-coasting mechanical drive, or other braking means. The brake or drive shall be capable of stopping the bridge within a distance, in feet, equal to 10% of the full load speed in feet

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