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Cranes, lifting appliances and fork lift trucks

The Regulations apply to cranes and lifting appliances Used in the manner described in Regulation 2. The terms "cranes" and "lifting appliances" are defined legally in Regulation 1 which deals with the interpretation of various expressions used in the Regulations. "Crane" means:- "An appliance

Crane History

that lift and move bulk materials, such as grain and coal, in a continuous process. The word crane is taken from the fact that these machines have a shape similar to that of the tall, long-necked bird of the same name. Human beings have Used a wide variety of devices to lift heavy objects since ancient times. One of the earliest versions of the crane to be developed was the shaduf, first used to move water in Egypt about four thousand years ago. The shaduf consists of a long, pivoting

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

Very few machines exist in as wide a variety of designs as cranes. Before the crane is constructed, the manufacturer must consider the site where it will be Used and the weight it will need to lift. In addition, cranes are often modified to suit the needs of the user. For these reasons, it is not much of an exaggeration to say that no two cranes are exactly alike. Cranes used for industrial purposes

Overhead Crane and Bridge Crane

system. Onemore advantage will be the hoist so as to lift the objects and the bridge that spans the area covered by the crane, together with atrolley so as to move along the bridge. Overhead Crane Application Overhead cranes are most generally Used within the steel business. The steel is dealt with making use of this particular crane ateach stage of the manufacturing procedure until the product is delivered from the factory. The crane is even responsible forpouring raw materials into a furnace

PORTABLE TRUCK-MOUNTED CRANE BOOMS

10-20 tons, at the most. The truck-mounted crane booms are removable from the truck beds on which they are mounted. There are two forms of this portable type of equip- ment. One is the articulated, short height knuckleboom, which is frequently Used to load material on and off the truck. They operate somewhat like the human arm with hydraulic controls to make the movements from the "shoulder" at the truck bed through the "elbow" to the "wrist" and "hand" at the load pick up end. This type of

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

Tower-mounted crane

At least that is the broad picture; contractors in some localities cling longer to traditional practices than others. Tower cranes are the lifting machines of choice worldwide for most mid- and high-rise 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

Mobile Crane Ground Support Capacity

Presumptive soil-bearing capacities Used for building foundation design are often conservative when applied to crane supports. Buildings present long-term loads to the ground, so that allowable soil capacity must reflect a degree of long-term settlement control not necessary for

MOBILE CRANES INTRODUCTION

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 are Used on special work. The group of trackless cranes is made up mainly of pillar cranes mounted on trucks, automobiles or tractors and intended for traveling on dirt, gravel and asphalt roads.

What Are Telescopic Cranes?

Telescopic cranes are another form of heavy cranes employed to transport and maneuver objects from one place to another. Cranes like the telescopic cranes are often Used in day-to-day hauling operations but it has also to be noted that these heavy cranes are very important when it comes to carrying out maneuvering operations in ports as well. Telescopic cranes are mobile in the sense that they transport goods

Popular Construction Equipments or Construction Machineries

There is a range of construction machineries or equipments, ranging from the very heavy machines to the light, portable and mobile equipment. We present below some of the most popularly Used construction equipment used for construction purpose. [caption id="attachment_149" align="alignleft" width="315" caption="Construction equipments and machineries"][/caption] Backhoe loader: This is an equipment with a front bucket / shovel.

Crane Gantry

A crane, which is equipped with a derrick or tower, is Used to lower and lift materials with the use of pulleys and cable. Heavy equipment manufacturers and the construction industry use cranes in various activities connected with their process. Cranes used in the construction industry are mostly temporary

Industrial Cranes

Cranes are important equipments that are Used in any place at a certain time. In construction sites, cranes play a very important role in lifting and lowering heavy materials and transferring it to higher places where such materials will be used. In factories, cranes are used to load heavy products

Jib Cranes

ones that can swing through an angle or arc are more useful since they can operate over larger areas as compared to the ones that remain stationary. Nowadays crane jibs have almost become an indispensible part of a worker’s life. They are Used to serve a multitude of purposes besides being utilized for a variety of applications in docks, ship yards, sites for building construction, ware houses, factories, etc. This multi-utility equipment comes in different types and is grouped

Oregon OSHA’s new crane standard for the construction industry

applies to all employers who are engaged in construction work and use cranes or derricks for construction. The standard takes effect Feb. 9, 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

Bottom-Slewing Tower Cranes Structure and Configuration

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, seen mainly in Europe, is that of a