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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 also self-propelled

Rough terrain crane

mobility and can work best if combined with the operation of a tower crane. These cranes are very good in rough terrain conditions and where frequent relocation of cranes is needed. They are available with both the lattice-type and telescopic-type Booms. The rough-terrain cranes can manage grades even up to 35o.

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 hoist and is generally attached firmly to a wall or a

Loader crane

A loader crane (also called a knuckle-Boom Crane or articulating crane ) is a hydraulically-powered articulated arm fitted to a truck or trailer, and is used for loading/unloading the vehicle. The numerous jointed sections can be folded into a small space when the crane is not in use. One

All Terrain Crane

As the name suggests, all-terrain cranes can manoeuvre through rough terrain as well as public roads with ease. These cranes are technologically the most advanced of all the mobile cranes. They come in both lattice-type and telescopic-type Boom options. All terrain cranes that are ideal for both on and off-road construction and industrial projects. Regardless of the location, temperature or climate, all-terrain cranes are just as reliable in bold new development projects as well as in meticulous

Crawler Crane

a truck or a trailer. The inability to be shifted from one site to another on its own is one of the main disadvantages of the crawler crane. Nevertheless, these cranes can work in difficult ground conditions. The cranes normally have lattice Boom but are also available with the telescopic boom option.

Telescopic crane

A telescopic crane has a Boom that consists of a number of tubes fitted one inside the other. A hydraulic or other powered mechanism extends or retracts the tubes to increase or decrease the total length of the boom. These types of booms are often used for short term construction

Truck mounted crane

Truck mounted Cranes are able to travel on highways, eliminating the need for special equipment to transport the crane. When working on the jobsite, outriggers are extended horizontally from the chassis then vertically to level and stabilize the crane while stationary

Tower Crane

fixture at any major construction site. They are 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

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 a wall or extending from floor to ceiling.

FAQ About Boom Crane

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

    • crane when headroom is at a premium.Provide hoist coverage for individual use in bays, along walls or columns, and as supplements to an overhead crane or monorail system.Capacities from 1/4 ton to 5 tons, with spans up to 20 ft.Utilize I-beam Boom assemblies for heavier capacities and longer spans.

  • Truck Crane Boom Equipment

    • Truck Crane STANDARD Boom EQUIPMENTBOOM40-126’ (10.67- 33.53 m), four- section full power boom. Telescoping is mechanically synchronized with single lever control. The synchronization system consists of a single telescope cylinder and high strength leaf chains to extend

  • Truck cane standard upperstructure equipment

    • on or used as a momentary brake. An air operated 360º house lock is standard. RATED CAPACITY INDICATOR Rated Capacity Indicator with visual and audible warning system and automatic function disconnects. Pictographic display includes: Boom radius, boom angle, boom length, allowable load, actual load, and percentage of allowable load registered by bar graph. Operator settable alarms provided for swing angle, boom length, boom angle, tip height and work area exclusion zone.

  • Truck Crane Standard Carrier Equipment

    • 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, directional signal lights, four-way hazard flasher lights, back-up lights with audible alarm.

  • Truck Crane Hydraulic System

    • PTOs. A separate steering pump is driven directly from the engine. Combined system capacity is 131 gpm (495 Ipm). Remote hydraulic oil cooler is standard. Main Winch Pump 57.3 gpm (216.9 Ipm) @ 4,500 psi (316.4 kg/cm2) Boom Hoist and Telescope Pump 42.6 gpm (161.3 Ipm) @ 4,500 psi (316.4 kg/cm2) Outrigger and Swing Pump 21.2 gpm (80.3 Ipm) @ 3,500 psi (246.1 kg/cm2) Power Steering Pump 8 gpm (30.3 lpm) @ 1900 psi (133.0 kg/cm2) FILTRATION

  • Tower Crane Superstructure

    • web plate, with good overall stability. Turntable is key structural part linked with crane superstructure and crane carrier for load bearing, with many mechanisms arranged on it, such as operator's cabin, winch, lulling gear, engine, gantry, Boom and counterweight.

  • 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

  • Tower Crane Safety Devices

    • Tower crane safety devices comprise: load moment limiter, turntable lock pin, Boom backstop, hoist limit switch, anemometer, level gauge, hydraulic overflow valve, counterbalance valve, two-way hydraulic lock, stewing warning lamp and travel warning lamp, etc. Load Moment Limiter Detection function: automatically detect boom

  • Crane History

    • still used in rural areas of Egypt and India. As early as the first century, cranes were built that were powered by human beings or animals operating a treadmill or large wheel. These early cranes consisted of a long wooden beam, known as a Boom, connected to a rotating base. The wheel or treadmill powered 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

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

    • cranes are divided into mobile cranes and tower cranes. Mobile cranes are mounted on trucks or crawlers in order to travel from place to place. An articulating crane is a mobile crane in which there is a joint between two sections of the Boom, allowing it to move in a way similar to a knuckle in a human finger. Articulating cranes are generally used to lift objects located a relatively short distance away, but with a wide range of motion. A telescoping crane is a mobile crane in

  • Gantry crane introduce

    • 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 is a Boom-type cranes. Bridge on both sides are generally rigid outrigger; span more than 30 meters, the often rigid outrigger side, while the other side of the ball through the hinge and the flexible bridge connecting outrigger, so that the door frame

  • WALKING CRANE FOR OPERATION BY POWER OR HAND

    • Fig. 52 represents a walking crane operated by power and consisting of a Boom, rotating around a fixed column mounted upon an extended truck, which latter travels upon a suitable rail upon the floor. Power is utilized for hoisting and lowering, and for propelling the crane longitudinally upon its track. Cranes of this type

  • PORTABLE TRUCK-MOUNTED CRANE BOOMS

    • Another type of lifting equipment is the portable Boom attached to a flat-bed truck to load and unload material. This type of boom has comparatively little horizontal reach flexibility but does swing on a turntable support mechanism at its base on the truck. These booms are not designed for erection

  • Guy Derrick

    • on high-rise structures, but that work is mostly done now with tower cranes. Guy derricks may also be used for general rigging, stone quarrying, and construction of refineries and chemical plants. A guy derrick can be described as a Chicago Boom with its own integral column, called a mast, held vertical by six or more guy ropes, as shown in Figure 2.3. The guys radiate in a horizontal circle about the derrick and are spaced as evenly as site conditions permit. A common configuration

  • Hydraulic Telescoping Gantries

    • gantry was developed to reduce sensitivity to side loading. These units have a single cylinder at each jacking unit, but the cylinder is enclosed in and braced by a telescoping steel box structure called a left lxxxn (Figure 2,51 ). The stout Boom all but eliminates the threat of structural failure from side loading, but it does not make the gantry immune to overturning. Exposure to the overturning hazard can occur from side pull while tripping a load, particularly when there is not much

  • Truck Carriers

    • Figure 2.13 shows a carrier for a 300-ton model. It is still clear that this chassis is quite different from that of a standard truck. The largest units may have as many as nine axles. A variant is the so-called truck which has a telescopic Boom and stabilizers mounted on a more-or-less conventional truck chassis. The mounting must meet specifications for frame stiffness, weight, and axle limitations. A boom truck, rated for up to 50 tons and reaching as high as 180 feet (55 m), has

  • All-Terrain Carriers

    • First appearing in Europe during the late 1970s, the all-terrain crane now accounts for a majority of mobile-crane sales throughout the world. The carriers used on these telescoping cantilevered-Boom machines combine the high road speeds of truck carriers with some of the off-road capabilities of the rough-terrain crane. Large-capacity multiaxle models have appeared featuring the characteristics necessary to carry the all-terrain label:

  • Mobile Crane Tower Attachments

    • Some older 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

  • Tower-mounted crane

    • tower cranes is gauged by a moment rating expressed as tonne-meters. The tonne-meter rating is obtained by multiplying ruled capacity in metric tons by the working radius in meters. This is done according to a method that averages a range of Boom lengths and working radii. The smallest machines used for light construction have ratings of about 20 meter-tons and the very largest in production exceed this by a factor of about a hundred. Most used for heavy construction are in the range

  • Mobile Crane Clearances

    • With each work cycle, a crane picks up a load, swings it and places it where needed. The path of both load and Boom must clear obstructions through the full range of movement. The boom must be long enough to raise the load to the required height without danger of collision between the load and the boom, but not so long that it will swing into nearby structures.

  • Mobile Crane Clearance In Tight Quarters

    • the crane assembled 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

  • Mobile Crane Ground Support Capacity

    • to support a crane. Some load testing might be advisable, say by running trucks or heavy equipment across a backfill to see its effect. The crane itself could be used for a self-check by swinging the counterweight over the backfill with the Boom at minimum radius and with no load on the hook.

  • MOBILE CRANES INTRODUCTION

    • such as electromagnets or buckets for handling of bulk materials. Performances factors in which various cranes differ include lifting capacity, radius of operation, hoisting speed, speed of travel and speed of rotation of the Boom. Lifting capacity of models usually purchased for industrial use ranges from 5 to 30 tonnes. The radius of operation depends, of course, on the length of the boom. Auto-lift models with booms up to 18 m long are standard. Boom up to 30 m long

  • What Are Telescopic Cranes?

    • cranes which enable the easy mobility and transfer of cargo to the right containers, thereby providing utility in the best way possible. The main difference between a telescopic crane and other conventional cranes is that the former has a hollow Boom which contains several tubes fitted one side the other.  A hydraulic mechanism enables the elongating and refracting motion of the beam. Considering today’s fast paced development, it is but natural that cranes have started to be used extensively.

  • Mini crawler cranes

    • sites other cranes simply would not be suitable for. The cranes low headroom allows them to be used indoors or even underground. The powerful rubber tracked CX-8T with 360 degrees slew and 4 stage telescopic Boom, lifts 8 tonnes, yet occupies a footprint of only 3.48 x 3.48 metres. The compact size allows easy transport by air, water, rail and road. Advantages of mini crawler cranes Compact and Tough Suits

  • Tower cranes

    • [caption id="attachment_234" align="alignleft" width="241" caption="Tower crane"][/caption] Over-long Boom of tower crane is (50/55m),wide range of coverage. Heavy in section of mast section(1600*1600 or 1800*1800), good steel performance,complete tower crane is stable and little swing as load.Main material of crane mast section is 160*160*16 angle

  • Wall Bracket Jib Crane

    • Economical Style of Jib Crane Capacities from 1/4 ton to 5 tons, with spans up to 30 ft. 180 - 200 degree rotation available. Require a structurally adequate wall or column to support the jib. Require sufficient clearance above the Boom throughout its arc to accommodate the tie rod suspension.

  • Heavy Duty Jib Cranes

    • where they can be overlapped with other jib cranes to provide staged coverage. Industrial Jib Cranes are available in floor mounted, and sleeve insert mounted styles Capacities from 500 to 10,000 lbs, with spans to 20 ft. Use I-beam Boom assemblies for heavier capacities and longer spans Motorized Rotation Jib Cranes Available Typical uses of Jib Cranes: Circular coverage areas Outdoor applications such as loading docks Applications underneath large bridge cranes Open

  • 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 are either capable of moving in an arc or are fixed in a particular position. The

  • 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 fixed or can rotate through an arc. A very important piece of equipment in the modern day world,

  • Self Propelled Cranes

    • from which the crane is controlled and the vehicle driven. 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

  • Lorry Mounted Cranes

    • [caption id="attachment_268" align="alignleft" width="300" caption="Lorry Mounted Cranes"][/caption] Lorry Mounted Cranes -- these mobile cranes consist of a lattice or telescopic Boom mounted on a specially adapted truck or lorry. They have two operating positions: the lorry being driven from a conventional front cob and the crane being controlled from a different location. The lifting capacity of these cranes can be increased

  • Crane Preventive Maintenance Checklist

    • - forces / movements accelerator / throttle control air pressure hydraulics horn / warning device Load Chart: per configuration durable, legible, visible from Operator’s station secured Safety Devices / Operational Aids: Boom angle indicator boom length indicator main drum rotation indicator auxilliary drum rotation indicator load moment indicator load weight indicator radius indicator crane level indicator anti-two block device two block warning

  • 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

    • mounted free standing jibs No mounting foundation required Allows maximum use of headroom to provide the highest possible lifting distance Standard capacities to 5 tons Standard height and spans to 20 feet Greater capacities, heights, and Boom spans available upon request Motorized rotation available 201 Series Mast Style Jib Cranes - Drop Cantilever Identical to 200 Series with the addition of side-plate connections which allows boom to be mounted permanently at any specified

  • Oregon OSHA’s new crane standard for the construction industry

    • 2011. What equipment is covered? Oregon OSHA’s crane standard covers power-operated equipment used in construction that can hoist, lower, and horizontally move a suspended load – including, but not limited to: Articulating knuckle-Boom Cranes Crawler cranes Derricks Mobile cranes Tower cranes The standard also applies to crane attachments such as: Augers and drills Clamshell buckets Concrete buckets Hooks Personnel platforms What equipment isn’t covered?

  • 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 a ton or more of weight, or small enough

  • Wall Mounted Jib Cranes

    • cantilever jib. BossBuyer Wall Mounted Jib Cranes are available in two series: 300 Series Wall Mounted Jib Cranes – Cantilever 200° rotation. Wall cantilever (full cantilever design). Offers the greatest potential clearance under the Boom. Welded or bolted construction (depends on size of crane due to shipping considerations). Standard spans to 30 feet (longer spans available). Powered rotation is available on all models. Transmits less direct force to building column than

  • Workstation Jib Cranes

    • Jib Crane with capabilities up to a 1000 lb capacity. BossBuyer Enclosed Track Workstation Jib Cranes come in two styles: Freestanding Workstation Jib Cranes Capacities from 100 to 1,000 lbs. Standard spans up to 16 ft. Standard under Boom heights to 12 ft. 360° rotation. Utilizes square or hexagonal base plate mounting secured by anchor bolts to your existing floor or a special foundation, as required by the loading condition. (Anchor bolts by others, or as optional equipment.) Wall

  • Wall Traveling Jib Cranes

    • cage motor with a double reduction spur gear reducer. Standard single speed controls include mainline contactor, control transformer, inverter acceleration control, and fuses in NEMA 3R, 4, 12 control enclosures. The wall traveling jib crane Boom is fabricated from standard "S" beam with a vertical angle truss to reduce deflection. The jib crane boom and truss bolt to the back frame for ease of erection and assembly. IMPORTANT NOTE: Wall traveling jib cranes exert severe forces on a

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