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Railroad crane

yards, permanent way (PW) maintenance, 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

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 forward

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

Pipe Layer Machines

Pipe layer dozers are those heavy machines that are utilized for laying heavy pipes. Apart from dozers, Pipe layer machines are of different kinds like heavy duty tractors, Wheel front loaders, wheel tractors, cranes etc. The pipelayer machines are either wheel mounted or are track mounted. Track mounted are meant to work in rough terrains.

Gantry Crane

Gantry Cranes 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

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 Wheel Crane

  • Types of Cranes

    • choice must be based on the loads to be lifted, height and horizontal distance to be covered, time period(s) of lifting operations, utilisation factors and degree of mobility required. Crane types can range from a simple rope and pulley or gin Wheel to a complex tower crane but most can be placed within 1 of 3 groups namely mobile, static and tower cranes. Where Are Cranes Used? Cranes are used all over the world. They build tall skyscrapers in large cities. And, they help farmers in rural

  • Truck Crane Standard Carrier Equipment

    • over equalizer beams with shock absorbs to distribute weight evenly. Front Axles - 48,000 lb (21 772 kg) capacity tubular beam type axles are mounted on standard air suspension system over equalizer beams with shock absorbers. TIRES AND WheelS Front: Four 445/65R22.5-20 R.R. All-Position type tubeless Rear: Eight 315/80R22.5-20 P.R. deep tread On/Off highway tubeless Aluminum wheels with stainless steel hub covers are standard. BRAKES Full air brakes on all wheels with ABS

  • Travelling Cranes

    • In some cases cranes are mounted on rail tracks which may be either temporary or permanent.The tracks must be laid on a firm foundation and a secure and even running surface provided.Materials which could obstruct the crane Wheels on the tracks must be prevented from finding their way on to the rails, and the rail tracks must be provided with stops or buffers at each extremity to prevent de-railment of the crane. The requirement for electrically earthing the rail tracks,

  • Overhead Travelling Cranes

    • Many fatal or very serious accidents have been associated with the movement of overhead travelling cranes. These accidents have occurred mainly to maintenance workers employed on, or near, the Wheel tracks of this type of installation.Where persons are employed within the vicinity of the wheel track of the crane and there is a risk of being struck, effective measures must be taken to warn the operator of the crane, or indeed any other equally

  • Tower Crane Carrier

    • structure, with cross panel installed in the middle to strengthen its stiffness of torsion resistance, simple structure, high loading capacity and well rigidity. Crawler Track Crawler track consists of track beam, drive sprocket, idler Wheel, upper roller, lower roller and track. Crawler beam is box-shape structure, the connection place to frame is strengthened partially, and cross panel is installed in the middle of it.下wo crawler tracks are symmetrically arranged,

  • Overhead Crane Inspection

    • Many of 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

  • Crane History

    • to the desired position and the bucket is emptied. The shaduf is 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

  • lifting crab of a EOT crane

    • The lifting crab of a EOT crane is an independent two motion machine and consists of the hoist machinery built on to a frame, which is mounted on runner Wheels, and driven by a motor through suitable gearing. The crab is also known as trolley. Various designs of crabs, arranged with C.I. side frames, mild steel side frames are in use. But now a days, preference is given to the built up side frames

  • WALKING CRANE FOR OPERATION BY POWER OR HAND

    • upon its track. Cranes of this type are built of any desired capacity from r to io tons, and for operation either by hand or by power. The base consists of two wrought iron girders united by riveting and carrying between them the truck Wheels which support the crane. Rising from the center of the base is a cast iron col. umn, somewhat similar to that of the pillar crane shown on page 132, and revolving around this is the mast, consisting of two channel irons, united by suitable castings

  • FACTORS BEHIND THE SELECTION OF CONSTRUCTION EQUIPMENTS

    • Site conditions-both ground conditions as well as climatic conditions-may affect the equipment-selection decision. For example, the soil and profile of a site may dictate whether to go for a crawler-mounted equip- ment or a Wheel-mounted equipment. If there is a power line at or in the vicinity of site, one may go for a fixed-base kind of equipment rather than a mobile kind of equipment. Similarly, climatic conditions such as the presence of strong winds, visibility

  • Guy Derrick

    • joint is mounted at the bottom. Above the top pivot is the fitting to which the guys are attached, called a spider. The top pivot itself is called a gudgeon pin. Swinging, or s/ewing, is accomplished by using a large horizontal Wheel, called a bull wheel, which is fitted at the bottom of the mast. Wire rope is run around the bull wheel, and winch power is used for swinging. Alternatively, on small derricks, an arm, called a ball pole, can be used to provide leverage for

  • Hydraulic Telescoping Gantries

    • scrutiny of ground support is seldom needed for mobile cranes; for gantries it is the general rule. There are two basic types of hydraulic telescoping gantries. Both types work in groups of two or four jacks. Each jacking unit is made up of a Wheeled structural box on which one or two hydraulic cylinders are mounted. A steel header beam is fitted across each pair of jacking units. In a typical operation, loads to be lifted are suspended from these beams by slings attached to lifting link

  • Single Girder Overhead Cranes and Double Girder Overhead Cranes

    • approach hoist give you more working floor coverage This can reduce space requirements in new buildings, or expand your usable space in existing buildings. Adjustable torque magnetic disc/shoe brake for smooth operation. Forged steel crane Wheels for long life. Top quality hoists matched to the duty required. Electric hoist conforms to IS : 3938. Double Girder Overhead Cranes Capacity Range 1.0 tonne to 150 tonnes Span Range 3 meters to 36 meter Types of Double

  • MOBILE CRANES INTRODUCTION

    • 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 distinctive group. Truck, crawler and locomotive cranes have now been highly developed for industrial use and they all have many possibilities of services to any plant

  • Crane accessories and auxiliary equipment

    • a rigid box-section design with reinforced connection areas as well as machined tolerances in the crane girder connection system guarantee superior structural integrity and optimum travel characteristics with minimum wear The precise travel Wheel alignment and exact adaptation of the crane span dimension via interchangeable spacer elements ensure optimum travel characteristics and high adaptability End trucks confi gured with proprietary structural design programs Power supply line

  • Material Handling Solutions

    • shipments as well as the industry's best product warranty- 5 years on most products. Mobile Material Handling YJM's Fixed and Adjustable Height Steel Gantry Cranes provide an economical way to lift materials anywhere in a facility. The Wheels enable you to move the gantry around your facility. This is a more cost-effective lifting solution for areas of infrequent lifts than a more expensive permanent structure. Our heavy duty end frame design with square tubing uprights, knee braces

  • Jib Cranes

    • segment, apart from the under and over braces. The ones that are screwed or fitted to the floor have higher capacities than the ones that are fixed to the wall. Crane jibs generally possess a mechanism whereby they can be rotated using a Wheel and made to turn in an angle up to 360 degrees. All crane jibs do not possess arms that are capable of swinging – some are manufactured with fixed arms. In such cases, the lowering and lifting of the loads are most often done with the

  • Self Propelled Cranes

    • [caption id="attachment_265" align="alignleft" width="338" caption="Self Propelled Cranes"][/caption] Self Propelled Cranes are mobile cranes mounted on a Wheeled chassis and have only one operator position 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

  • Lorry Mounted Cranes

    • time they are ideally suited for short hire periods. Typical Lorry Mounted Telescopic Crane Details boom length 18,000 lifting capacities: 1. stabilised on outriggers 11.8 tonnes at 5,000 radius 4 .3 tonnes at 11,000 radius 2. free on Wheels 2 .4 tonnes at 5,000 radius 0 .5 tonnes at 11,000 radius maximum road speed 65 km/h

  • Crane Steel Structures Test Problems

    • edge of plate under the beam with bolts and bracket connection, edge of the beam and column connection plate through the connecting plate. When the crane car running or hanging objects swinging along the longitudinal girder, its tracks by the big Wheel bearing beams to exert a lateral change of load; at this time if the commitment is not enough lateral stiffness of rail beams severe vibration occurs, or is not firmly fixed bearing track beam and instability, the safe operation of cranes will bring

  • Construction Machinery Types and Applications

    • 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 driver. Reinforced concrete machinery Such as concrete mixers, concrete

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

    • and drills Clamshell buckets Concrete buckets Hooks Personnel platforms What equipment isn’t covered? Equipment not covered includes: Machinery converted or adapted for non-hoisting/ lifting use Power shovels, excavators, Wheel loaders, backhoes, loader backhoes, and track loaders – even when used with chains, slings, or other rigging to lift suspended loads Digger derricks used for augering holes for poles carrying electric and telecommunication lines,

  • Crane Component

    • We supply complete component kits for fabrication of economical cranes. BossBuyer crane components allow economic refurbishment of old cranes. Standardized end carriages, standardized Wheel bogies, underslung trolleys, drive units with squirrel cage motors, electric hoists up to 125 t lifting capacity, conductor systems, contactor control panels, radio remote controls, variable frequency speed control equipments, etc. BossBuyer

  • Rotary and Rectilinear Cranes

    • motion. 6. Derrick cranes. - Identical with jib-cranes, except that the head of the mast is held in position by guy-rods, instead of by attachment to a roof or ceiling. 7. Walking cranes. - Consisting of a pillar or jib-crane mounted on Wheels and arranged to travel longitudinally 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

  • Electric Overhead Travelling Crane (EOT Crane) Parts

    • 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 provide the longitudinal motion to the main bridge along the length of the workshop. The motion of the bridge is derived from an electric motor which is geared to a shaft running across the full span of the bridge and further

  • Wall Traveling Jib Cranes

    • end trucks use channel beam/construction frames to resist twisting and are jig-fixtured and machined to maintain consistent manufacturing tolerances. The top running end truck on a wall traveling jib crane utilizes forged steel double flange crane Wheels for long life. The BossBuyer Wall Traveling Jib Crane drive utilizes a squirrel cage motor with a double reduction spur gear reducer. Standard single speed controls include mainline contactor, control transformer, inverter acceleration control, and

  • Bottom-Slewing Tower Cranes Structure and Configuration

    • would always have an undercarriage to connect between the ground or any other supporting surface and the slewing crane. The undercarriage is commonly either sta- tionary (Figures 19.16a and Figure 19.17b) or rail-mounted. Light models may have a Wheeled undercarriage, but this is used only for infrequent crane relocations on the jobsite, without loads, and not for operation. In truck-mounted tower cranes (see below), the truck replaces the conven- tional undercarriage. Another configuration,

  • YJCrane Gantry Crane

    • and two independent traverse controls. The ISL has faster hoist speeds and a ground speed of approximately 3 miles per hour. It has a sit down, center mounted cab design with noise suppression, which helps buffer the operator from engine noise. Wheel fenders are standard on all ISL Models and wireless remote control is offered as an option. The SL Model is designed for low duty cycle “pick and carry” type jobs. The SL can handle big loads and is narrower in width than the ISL.

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Wheel Crane, Vehicle Crane, Van Crane, Used Truck Crane, Used Crane, Wheel Crane, Winch Crane, Wire Crane,