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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

Hammerhead crane

The "hammerhead", or giant cantilever, crane is a fixed-Jib Crane consisting of a steel-braced tower on which revolves a large, horizontal, double cantilever; the forward part of this cantilever or jib carries the lifting trolley, the jib is extended backwards in order to form a support for the machinery and

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

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.

Tower crane

The base is then attached to the mast which gives the crane its height. Further the mast is attached to the slewing unit that allows the crane to rotate. On top of the slewing unit there are three main parts which are: the long horizontal Jib, shorter counter-jib, and the operators cab. Tower cranes can be classified into top-slewing tower cranes and bottom-stewing tower cranes. The main differences are in the manner in which they are erected and dismantled, and in the maximum lifting

Giant Cantilever Crane

Also known as a hammerhead crane, the giant cantilever crane is a fixed Jib Crane consisting of a steel braced tower, on which revolves a large horizontal double cantilever. The forward part of this cantilever or jib carries the lifting crab, and the jib is extended backwards in order to form a support for the machinery and

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 jointly. The single-Jib or four-jib Port Crane can be chosen according to different requested lifting capacities.

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

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 a wall or extending from floor to ceiling.

Mobile Cranes

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 cranes are mast, base, Jib and motor. Stationary cranes are fixed whereas mobile cranes are those cranes which are mounted on trucks, trailers, or other engineering vehicles. Mobile cranes can be classified into four major categories: (1) truck crane; (2) crawler crane, (3)

FAQ About Jib Crane

  • Ceiling Mount Articulating Ceiling Type Jib Crane

    • This versatile crane can move loads around corners, reach into machines or doorways, and swing under obstructions. This crane is perfect in applications that require an operator to rotate the Jib in close to the pivot point. Capacities from 150 lbs. to 2000 lbs. with spans 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

  • Wall/Column Cantilever Mount "I" Beam Jib Crane

    • Wall/Column Cantilever Mount "I" Beam Jib Cranes are ideal for heavier loads from 1 to 5 tons (heavier capacities available, contact the factory). They are also available in motorized or manual rotation. Used instead of a wall bracket jib crane when headroom is at a premium.Provide

  • 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

  • Construction and Maintenance of Cranes and Lifting Appliances

    • manuals must always be available and followed. This is particularly relevant in the case of tower cranes where erection and dismantling must be carried out strictly in accordance with the manufacturers instructions. The erection of Jibs on cranes, especially mobile cranes, must follow the sequence described in the manufacturers instructions and each section must be identifiable with the crane in which it is normally used. The jib section must have been tested when assembled

  • Tower Crane Superstructure

    • easy for man-machine interaction. Hydraulic System Electronic proportional control, with combination of close/open type circuit, constant power and variable displacement pump system. Hydraulic system: winch, luffing gear, slewing gear, tower Jib backstop, travel gear, auxiliary assembly system. Features:winch:lulling gear, travel gear are of open type system, main pump is constant power and variable displacement pump, variable displacement by hydraulic pilot control, with function

  • 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

  • Cranes, lifting appliances and fork lift trucks

    • The machine must be able to impart controlled three dimensional movement to the load whilst the load is secured to the suspended hook or other device. The following machines are cranes within the meaning described above Mobile Jib Cranes Overhead travelling cranes Lorry mounted cranes Derrick cranes Tower cranes Container cranes Portal jib cranes A machine used to raise persons to elevated positions for the purposes of working on road lighting

  • Brakes, Controls, Derricking Jibs and Cabins for Operators of Cranes

    • control on the crane or lifting appliance should be clearly identified to show the amount and direction of movement and where practicable controls should be so arranged that inadvertent operation can be prevented. Cranes with Derricking Jibs Cranes, fitted with derricking jibs, which are driven through a clutch from the same source of power which drives the hoisting mechanism, must be fitted with an interlocking arrangement which prevents the free fall of the jib when the derricking

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

    • for training purposes provided he is under the direct and constant supervision of a person who has been so certificated. It does not follow that a competent operator of say a tower crane, will automatically be competent to drive a mobile Jib Crane. The competency of a driver will depend on his ability to handle the particular machine which he is operating. The following are some of the factors which should be considered before an operator is certificated Be at least 18

  • 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

  • Jib crane motions

    • Jib Crane have the following 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

  • Column Crane

    • Fig. 51 represents a Jib Crane, of essentially the same construction as that described on page 115, but arranged to revolve around a fixed center column within the mast, the column being utilized for supporting the floor above. This type of crane is built of any desired capacity

  • Design and Optimisation of Crane Jibs for Forklift Trucks

    • The objective of this paper is to present a new methodology of calculation by means of the F.E.M. applied to crane Jibs. This analysis has been carried out in terms of strength and stiffness, and for any type of crane jib: telescopic crane, lattice crane, closed beam crane, etc. There have been simulated different load cases and boundary conditions that the

  • Overhead Crane and Bridge Crane

    • The overhead Rotary crane has one of the bridge ends are attached on a fixed pivot with the other end being carried on anannular track. The bridge can transverse across the circular area below. Rotary Overhead cranes provide improvement more thana Jib Crane by making it possible to offer a longer reach while eliminating lateral strains on the building walls.

  • 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

  • Tower-mounted crane

    • like a mobile crane, a tower-mounted crane moves loads by executing three motions: the hook is raised and lowered by means of a winch and fall, carried in a circular path by the swing gear, and carried in a radial motion by either luffing the Jib or rolling a trolley carriage on its underside. The simplest of tower cranes have only these motions, but more complicated arrangements include mechanisms that allow the base to roll on a track, the crane to change elevation by climbing, or

  • 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

  • MOBILE CRANES INTRODUCTION

    • MOBILE CRANES (a) Truck mounted (b) Crawler mounted (c) Rail mounted locomotive (d) Floating cranes (e) Sky cranes Mobile crane (power driven) includes all type of traveling Jib Cranes, such as truck mounted, crawler mounted, and locomotive crane on rails.Mobile cranes are hoisting devices mounted on rubber tyred trucks, rollers or railroad wheels. Most of these cranes are full-rotating. Their mountings make them a

  • Material Handling Solutions

    • Material Handling Solutions For Your Unique Applications Since 1977, YJM has been an innovator and leader of lifting loads in a work cell. YJM began as a manufacturer of Gantry Cranes and manually or power operated Jib Cranes, including wall bracket, wall cantilever, free standing, and mast type models. In 1986, YJM added a line of Work Station Cranes, which addressed the trend for safe, productive, ergonomic solutions for overhead material handling operations.

  • Tower Crane

    • Certificates awarded: CQM, CE, TS, ISO9001:2000 ·  A-grade 315TM Certificate for producing, installation, rectification, and maintenance of tower crane issued by General National Quality Inspection Bureau ·  Safety system: installation of Jib, balance arm, and rotary tower are in side-plate pin bracket method ·  Advanced technology of the TOSHIBA Japan inverter has bee adopted for hoisting and amplitude devices

  • Topless Tower Crane

    • good governing performance and shocklessness [caption id="attachment_47" align="alignleft" width="360" caption="topless tower crane"][/caption] Topless Tower Crane Key Specifications/Special Features: ·  Max load 17t (17m) ·  Jib length 75m ·  Free standing height 60m ·  Mast section 2*2*3m ·  Tip load 2.6t (75m) Advantages: ·  The section of the jib is much larger than the standard topkit tower crane, hence the jib is more studier. ·  When there is need to

  • Self-Raising Tower Crane

    • elevating machinery specially designed for the construction of tall buildings and equipment installation, is a type of self-raising multi-purpose tower crane equipped with level arm support, and it allows trolley derricking and upper slewing. its Jib maximum length is 70m, with maximum lifting load of 12000KG. Main features of the tower crane are given below: ·  TOWER CRANE WITH CE (FOR EUROPEAN MARKET), ISO9000 CERTIFICATE(IN CHINA.) ·  TOP 1 IN GUANGDONG PROVICE, CHINA ·  Have 24

  • Topless Tower Crane For Sale

    • The mechanisms adopt domestic famous factory products, reliable performance, good governing performance and shocklessness. Key Specifications/Special Features: ·  Max load 17t (17m) ·  Jib length 75m ·  Free standing height 60m ·  Mast section 2*2*3m ·  Tip load 2.6t (75m) Advantages: ·  The section of the jib is much larger than the standard topkit tower crane, hence the jib is more studier. ·  When there is need to

  • Jib Crane For Sale

    • We offer a wide range of self supported and bracket mounted type Jib Cranes having a capacity of 0.25 Tons to 5 Tons. Manufactured using quality raw material, our Jib Cranes have swiveling up to 360 degrees. Some of our self supported and bracket mounted type jib cranes features are: [caption id="attachment_188" align="alignright" width="243" caption="Jib cranes"][/caption] Capacity 0.25 Ton to 5 Tons Light

  • Tower Crane For Sale

    • Certificates awarded: CQM, CE, TS, ISO9001:2000 ·  A-grade 315TM Certificate for producing, installation, rectification, and maintenance of tower crane issued by General National Quality Inspection Bureau ·  Safety system: installation of Jib

  • Wall Bracket Jib Crane

    • Wall Mounted Jib Cranes economically provide hoist coverage for individual use in bays, along walls or columns, or as supplements to an overhead crane or monorail system. Wall Bracket Jib Cranes are the Most Economical Style of Jib Crane Capacities from

  • 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

  • Stainless Steel Jib Cranes

    • [caption id="attachment_244" align="alignleft" width="292" caption="Stainless Steel Jib Cranes"][/caption] Stainless Steel Jib Cranes For use in: Cleanrooms Pharmaceutical Applications Food Processing Corrosive Environments Benefits of  Stainless Steel Jib Cranes Reduce contamination in processing environments Safely

  • Jib Cranes

    • cranes that are fixed to walls or floors generally have limitations on their range of operation and this makes the process of lifting maneuvering bulky objects much easier and safer. It also helps to speed up the process. Nowadays, most Jib Crane manufacturers have the option of customized cranes that is a crane can be built according to the specifications of the user. Their capacities may vary from 50kg to 500 tons. Jib cranes have 3 key features – They do not always

  • Articulating Jib Crane

    • [caption id="attachment_251" align="alignleft" width="250" caption="Articulating Jib Crane"][/caption] Unlike other jib cranes, articulating jib cranes have a hinge or joint at the center of the horizontal section that lifts the load. This feature enables the user to bend or fold the arm if required. Since it can be folded,

  • 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

  • Wall Mounted Jib Crane

    • As the name suggests, this variety of Jib Crane has to be mounted or fixed on to a wall for adequate support. Optimum level of functioning can be ensured if the crane is fixed to the wall, just a few feet below the place from where the roof starts, because the equipment requires some

  • Floor Mounted Jib Crane

    • standing upright and also help it to support itself. In terms of expenses, this is the most economical crane to be used but it requires a lot of space to function properly. Considered as one of the most efficient machines, floor mounted Jib Cranes can rotate through 360 degrees.

  • 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

  • Question About Tower Crane - 3

    • When travelling on a rail-mounted machine; how would you position your working Jib? A. Jib side ways over track way B. Travel in reverse C. Jib over track facing direction of travel What would stop your crane from running off the end of a track? A. Limit switch B. End of track safeguard C. Sand bags When should your

  • Standardization of Jib Crane Design by “F.E.M. Rules” And Parametric Modeling

    • Standardization of Jib Crane design procedures enables designers to develop their own jib crane automation modules for entire jib crane design applications. Since main effort and time for implementation of the jib crane design procedures are generally spent for interpretation

  • 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

  • Rotary and Rectilinear Cranes

    • other generator of power, and is self-propelling; usually being capable of both rotary and rectilinear motions. Rotary and Rectilinear Cranes are thus subdivided. Rotary Cranes 1. Swing cranes. - Having rotation, but no trolley motion. 2. Jib Cranes. - Having rotation, and a trolley traveling on the jib. 3. Column cranes. - Identical with the jib-cranes, but rotating around a fixed column (which usually supports a floor above). 4. Pillar cranes. - Having rotation only; the pillar

  • 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

  • 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"

  • 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

  • Bottom-Slewing Tower Cranes Structure and Configuration

    • outriggers. Slewing ring. The slewing ring of the top-slowing crane is located near the top of the crane, but the slewing ring of a bottom-slewing crane is located near its base, such that practically the entire crane-slewing platform, mast, and Jib-can slew. For this reason, the mast cannot be braced to the building for increased stability, and its height is limited. Slewing platform. The slewing platform carries, in addition to the mast, the entire ballast of the crane, as well as the motors.

  • Wind and Tower Cranes

    • combines dead load and a storm wind that ideally should be suited to the locale where the crane is operating. Designed to European codes and standards, freestanding toner cranes are generally evaluated for storm winds of 94 mi/h (42 m/s) at Jib elevation, but design practices with respect to wind may vary with the manufacturer or country of origin. Some areas are prone to more extreme winds. In the United States, these regions are on the Atlantic, Gulf, and Northwest coasts as well as some

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