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Bulk-handling crane

Bulk-handling cranes are designed from the outset to carry a shell Grab or bucket, rather than using a hook and a sling. They are used for bulk cargoes, such as coal, minerals, scrap metal etc.

port crane

The Port Crane is suitable for heavy work at seaports, river ports and freight yards and it can be equipped with hoisting hooks and Grab buckets. Port Crane is applicable to various types of cargos and can be used for handling containers. The Port Crane is mainly composed by lifting mechanism, rotating mechanism and slewing mechanism. These three mechanisms can work separately or

Mobile Cranes

Cranes are the huge tower like machineries having ropes meant to lift or to lower any heavy device. Cranes are not permanent structure. In fact it is a temporary structure either fixed in the ground or mounted on certain vehicles. Cranes are operated either through cab operator or through infrared or radio signals. The important equipments of the

FAQ About Grab Crane

  • Truck Crane Standard Carrier Equipment

    • pressure gauges. Warning lights include low coolant level, parking brakes on, low air, pumps engaged, and high beam lights. ACCESSORIES Included are Fire extinguisher, right and left hand rear view mirrors, electric horn, access steps and Grab handles (located at six separate points around the crane), back-up alarm, two position boom rack, front and rear towing loops. ACCESSORIES Light package includes headlights with foot operated dimmer switch, clearance lights, taillights,

  • Cranes, lifting appliances and fork lift trucks

    • used for example to remove engines from vehicles, are considered as cranes, however, they are exempted from certain requirements of the Regulations, see page 34. "Lifting appliance" means:- "An excavator, fork-lift truck, mechanical Grab, mechanical shovel, piling machine of any description, pulley or pulley block, a winch which is designed to be used by itself, and any other prescribed appliance." Fork lift trucks are widely used in industry and are the cause of many accidents.

  • Crane Lifting Operations - Operators of Cranes and Certain Lifting Appliances

    • A certificate of competence must exist for every operator of a crane, excavator, fork lift truck, mechanical Grab, mechanical shovel and piling machine. The certificate must be issued by The employer of the operator; or The owner of the equipment which the operator is using An operator who has not been certificated may operate such a machine

  • Crane Lifting Operations - Load Not To Exceed Safe Working Load

    • of Regulation 5, see page 10.When the settings of an automatic safe load indicator are being tested as required by Regulation 11, see page 16.The requirements of this Regulation do not apply to the following lifting appliancesExcavatorsMechanical GrabsGrabs and excavator bucket sizes are determined by the capacity of the machine. This naturally limits the load which these machines can carry. The possibility of overturning is not as easily achieved as that on conventional cranes, when the machine

  • Jib crane motions

    • motions: Hoisting motion Derricking or luffing motion Slewing motion Long travel motion Hoisting motion: It is used to lift or lower the load. This is usually achieved by steel wire ropes being affixed to a crane hook or a Grab hanging from the outer end of the jib. The rope is applied through some receiving arrangement and controlled and operated by a winch system.Derricking or Luffing motion: It is imparted to the inclined member or the jib to move in a vertical

  • Jacking Towers

    • beam (really a pair of beams or trusses). The center-hole strand jacks pull up the tendons stroke by stroke, gripping them forjack retraction and repeating the cycle as needed. At the start, as the jacks begin to extend, the upper grippers Grab the tendons by means of friction and wedging forces. At the end of the stroke, the jacks are reversed and the lower grippers are similarly engaged; after this, the upper grippers are released. After full retraction, the cycle is repeated. Withdrawn

  • Industrial Cranes

    • in ports, boats, yachts and cargo ships. There are many variations of this type. The deck cranes used in ports are typically bigger and have a longer arm span. The ranges of deck cranes may include cylinder and wire luffing cranes, gantries, Grab Cranes and heavy lift cranes. Big cargo ships would require heavy lifter cranes. Sometimes, cranes installed are dependent on the products a cargo ship carries. Yachts however would only need a smaller deck crane with shorter reach that can

  • Construction Machinery Types and Applications

    • milling excavators, tunnel boring machine etc.. Shovel soil transport machinery Such as bulldozers, scraper, Loaders, vehicles, flatbed and the dump truck and so on. Crane Such as tower cranes, self-propelled crane, derrick cranes, Grab Cranes, etc. Compaction machinery Such as tire roller, smooth wheel roller, single-foot roller, vibratory rollers, compaction machine, tamping machine. Piling Machinery Such as drilling machines, diesel hammers, vibration pile driver, pile

  • Question About Tower Crane - 3

    • a couple of adjustment clicks at a time and operate trolley in between adjustments? A. To stretch job time out B. So you do not over tension trolley rope C. Both A and B Tower cranes can work under special duties and carry out work with Grabs according to BS7121? A. True B. False If your trolley rope breaks what would stop the trolley from running away? A. Stops at the end of the jib B. Rope brakeage safety device C. Hit emergency button Why are flat boards positioned on

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