General overhead crane in our 30 years producing lifting equipment, weihua has risen to be the no. At every step of the manufacturing process, until it leaves a factory as a finished product, metal is handled by an overhead crane. Dongqi crane provides you more than 10,000 suits of material handling equipment annually, including overhead cranes, gantry cranes, jib cranes, port cranes, and hoists, etc. Crane runways are thus dyanmically loaded structures, subjected to various types of loads and forces. Bridging the gap between theoretical and practical researches the moving load problem is one of the fundamental problems in structural dynamics. Supplemental hoisting unit usually of lower load rating and higher speed than the main hoist. Abus travelling cranes abus travelling cranes, designed for handling loads up to 120 tonnes, are the ideal solution for heavy lifting and wide spans. Partnering with an overhead crane manufacturer is a big decision and one that should not be taken lightly. These powered gantry cranes provide smooth transitions thanks to variable frequency drive technology, allowing for safe and productive use in various applications.
Jan 18, 2018 the overhead freestanding crane is also well known as an overhead bridge crane, or a workstation bridge crane. Overhead cranes crane tech solutionscrane tech solutions. What are the different types of overhead cranes available. Safety manual for overhead crane operators forward an overhead crane operators job is vital to the employers operations and can be dangerous when not performed properly. There is any work to be done in an overhead crane bay that will change the normal operating path of the overhead cranes. Guide to safe use of overhead travelling cranes, gantry. An industrial overhead crane is the permanent material handling system built into a production space or. Overhead crane design pdf design of an overhead crane.
Overview most overhead cranes bear a heavy load, far more than a typical factory floor is equipped to handle. It is supported by specific guides on tower cranes. The main performance parameters of hoisting crane machinery include lifting capacity, workingclass, lifting torque, lifting height and. An overhead crane system covers a rectangular area which moves load side to side and backward and forward. Since an overhead crane moves objects through the overhead space of the facility, they dont carry any of these risks and are capable of moving heavy and bulky loads more. Types of cranes and hoists offering of dongqi hoist and crane. This could also be used if your operation calls for the ability to transfer hoists along bridges to. Abus travelling cranes abus travelling cranes, designed for handling loads up to120 tonnes, are the ideal solution for heavy lifting and wide spans. Single girder top running bridge crane this read more. Types of cranes generally found in the workplace author. Kito manufactures all kinds of cranes from simple manual cranes to motorized cranes. Parts of the overhead crane design include the truck, end ties, girders, a walkway and a drive mechanism, which carries the trolley and travels parallel to the bridge.
In addition to providing onsite service of all brands of cranes and hoists, our parts group offers a full line of factory oem and aftermarket replacement parts for equipment made by all domestic manufacturers. Overhead crane specifications parameters, crane working. By types overhead crane for sale professional overhead cranes. It is a position of responsibility that the operator shall be qualified to hold. Abus travelling cranes, designed for handling loads up to 120 tonnes, are the ideal solution for heavy lifting and wide spans. Crane classifications definition of the hoisting appliance load cycles load class crane class overhead traveling crane for power station n1 l1, l2 a, b assembling and dismantling crane for machine shop n1 l2, l3 b, c storeroom crane n2, n3 l2, l3 c, d, e workshop crane with hook n2 l2, l3 c, d.
All overhead and gantry cranes installed after august 31, 1971, must meet the specifications of the american national standard institute ansi american society of mechanical engineers. Overhead cranes will never material handle at ground level, hence the name overhead. A variation on these types of overhead crane are gantry cranes. As you will see in the following two case studies, the results of the prediction using the statistical approach compares well with actual findings. Rather than scrap an outdated crane, which is still structurally sound, it is often more costeffective to upgrade and modify the unit to. Overhead cranes we also manufacture and supply gantries, rails and columns to suit your crane needs get a quote overhead cranes are most commonly found in the industrial industry. Overhead cranes are used to aid in the building and repair of machines and materials, particularly within factories, and any welloutfitted fabrication shop will have them at their disposal. Hoist and trolley design is easier than those of double girder overhead crane. Power drive gantry cranes pgcpdc are available in 2 ton and 3 ton 4,000 lb 1814 kg and 6,000 lb 2722 kg capacity models. Our overhead cranes provide performance and efficiency at its highest level.
Adequate equipmentstructure interaction modeling andrea godoy 1, frederic barbier 2, charisis chatzigogos 3, nicolas besson 4, alfred thibon 5 and martin ray 6 abstract overhead travelling cranes are common equipment in industrial facilities and are usually designed to resist dead and live loads. At demag cranes, we pride ourselves on providing you cranes with the best. These types of overhead cranes can also be freestanding, meaning that the system has an individual support column. Standard types of cranes are lifting cranes for general material handlings, which can be divided into 1 overhead crane types or eotelectric overhead travelling cranes or bridge cranes, 2 jib crane types, 3 gantry crane types, etc. Pdf simulationbased overheadcrane scheduling for a. The lifting gear itself is on a small trolley that can often move crossways along the horizontal gantry. The lifting technique of overhead cranes is much different in comparison to other material handling options such as forklifts and conveyors. This type of crane is similar to the bridge crane except that it runs on a track at the floor or ground level rather than an elevated runway. We also make cranes that are fully autonomous to further improve your production processes. Manual or remote operation is how overhead cranes work. There are various types of overhead cranes with many being highly.
Travelling overhead cranes are a form of gantry crane where a horizontal beam travels on fixed railmounted trucks, mounted high up at gantry level, rather than ground level with the whole structure moving. A lot of work has been reported during more than a century ago dealing with the dynamic response of structures at first in the field of. The c shape of the demag dr rope hoist design is ideally suited to crane applications. The client was able to rationally decide what to do with the cranes, some of which were upgraded while others were moved to less demanding locations.
Overhead cranes generally lift, lower and move loads of materials horizontally. What is an overhead crane system best material handling. Learn about the different types of overhead cranes available in the indian market today. We create overhead cranes with lifting capacities of up to 900 ton, built to withstand very harsh conditions. An increasingly popular alternative to overhead bridge cranes gantry cranes have become a widely accepted alternative to overhead bridge cranes. Double girder bridge cranes the crane consists of two bridge girders supported on two end trucks. After confirmation that an overhead crane system can help material handling and improve efficiency, you will be confronted by the various different types of overhead cranes. We are experts in creating highquality overhead cranes, gantry, parts, and repairs, customized to fit your companys specific needs. Overhead travelling and portal bridge cranes iso 9373.
The design of overhead cranes vary widely according to their major operational specifications such as. Davis, guidelines for inspecting overhead crane structures, integrated machinery solutions, fort worth, texas, july 2011. Overhead crane classified by types, there are mainly top running overhead crane, under running crane, underhungunderslung crane, monorail overhead crane, overhead rail crane, overhead track mounted crane, ceiling mounted crane, free standing overhead crane, portable over head crane, mobile overhead crane, overhead traveling crane and so on. These cranes are essentially the same as the regular overhead cranes, however, the bridge girders are connected to legs on. Overhead cranes bridge cranes manufacturer jgs lifting. It can travel at speeds as high as 300 feet per minute. Jib crane, bridge crane, work station, monorail, and gantry crane. Overhead cranes, crane components, crane inspection and maintenance, overview of overhead cranes it is critically important that lifting equipment is in proper working order before placing it in service, for the safety of both employees and a facility. Overhead crane systems optimizing productivity, safety, and space savings, overhead material handling solutions allow for easy lifting and moving in industrial facilities. The design, manufacturing, and installation of an overhead crane system is an enormous investment, but a necessary one if you want to improve your companys efficiency and workflows. There are four types of overhead cranes alone not to mention the many other classes such as jib cranes, tower cranes, harbor cranes, railroad and vehiclemounted cranes and much more. The trolley runs on rails on the top of the bridge girders. Overhead cranes are commonly used in the refinement of steel and other metals such as copper and aluminium.
Different types of overhead cranes elebia blog elebia. Used the middle girder sections of the third crane to lengthen the first two cranes by ten feet. Overhead crane motor and gantry crane motor classification, usage and selection tips 07 mar, 2016 as a crane manufactuer and supplier, dongqi is able to provide you types of crane motors. Get multiple quotes for an overhead crane installation. Based on using a 16 diameter cross shaft by others. Selecting the right type of overhead crane is critical to. Cranes are useful and powerful tools that need to be treated with respect. Process driven 17 february, 2020 heavyduty, high capacity process cranes are being engineered to offer greater levels of safety and operational flexibility, reports tom woerndl. Uses and benefits of overhead cranes applied handling nw.
Flexcos patented sensor has been a pproved by the csst quebec work safety board and many oems in the lifting industry in general because it is installed. An overhead crane runs on rails attached to ceiling beams laid out as parallel runways. Cranesuk are part of one of the uks largest suppliers of overhead cranes, gantry cranes and bridge cranes with capacities up to 600 tonnes. Under running cranes are usually more cost effective than top running cranes. Type of overhead cranes to buy cranes by kundel cranes. Electricity or pneumatic power is used to run the crane. Overhead cranes, commonly called bridge cranes, are a type of crane widely used in manufacturing plants to transport, load and unload inprocess products or raw materials. Basic four overhead crane design bridge crane design. This crane spans 150 feet centre to centre of the rails and the total weight of its bridge is 230 tons and that of its trolley is 35 tons. The importance of load testing overhead cranes and hoists. To move extremely heavy or bulky loads through the overhead. There are four different categories of cranes we will discuss here. There are rules and regulations everyone involved shall obey and responsibilities that shall.
The many styles of overhead cranes basic 4 overhead crane types. Platinum service 17 february, 2020 condra has responded to increasing demand in the mining sector for automated lifting and handling with its first fullyautomated. Operating bridge and gantry cranes bridge and gantry cranes are operated from within a cabin mounted on the crane or remotely from the ground, for example by a hardwired pendant or radio control. The basic idea behind overhead cranes is to swiftly lift and glide loads to their destination in the most. Great for an insightful knowledge of different types of cranes. An operator and any employee directing a lift must use the appropriate safety equipment recommended for use in this area. Controls whether its a manual, pneumatic, or electric hoist. The design, manufacturing, and installation of an overhead crane system is an. It also covers the inspections of cranes and rigging components that many facilities require to be performed before a crane can be operated.
Our industrial overhead cranes represent highlevel konecranes quality starting from a single component all the way to an entire process. Overhead crane operator designed for overhead crane and hoist operators, participants learn safe operating procedures and daily inspection which form a consistent approach to crane safety. Crane 1 provides accurate, objective service advice and recommendations regardless of the brand of equipment you have. Top 12 different types of cranes used in construction works. The electric overhead cranes are the most frequently used cranes in the construction places and in industries.
Overhead crane specifications can show the crane capacity and lifting applications. A wide variety of overhead crane model options are available to you, there are 324 suppliers who sells overhead crane model on, mainly located in asia. Overhead cranes include bridge cranes, gantry cranes, monorail cranes, and custom designs. Guidelines for inspecting overhead crane structures. Where a bridge or gantry crane is to be configured for a specific use this requirement should be discussed with the crane. Overhead crane systems aceco overhead bridge crane. Nov 05, 2018 overhead cranes will never material handle at ground level, hence the name overhead.
Powered either by hydraulics, internal combustion, or electric batteries, they usually serve commercial. By types according to the different structure form, the crane is divided into the single beam and double beam overhead crane. The abus travelling crane range includes four series designed for different applications and operating conditions. Overhead crane and hoist training provides instruction on safe operating practices, proper load handling, preuse inspection and accident avoidance. For a ceiling mounted articulating jib aj360c the supporting structure is the overhead support the crane is mounted to. Thats the purpose of this program, to illustrate the basics of crane safety, because with an overhead crane. Our overhead crane training video is based on relevant standards for overhead crane safety from osha, ansi, and asme, as well as recognized general industry best practices. According to the different function standard, the crane is divided. Price includes mounting bracket, mounting hardware, stub shaft and pinion. Gantry cranes these cranes are essentially the same as the regular overhead cranes except that the bridge for carrying the trolley or trolleys is rigidly supported on two or more. Mast type jib cranes mt400, mt450 have a supporting structure at both the ceiling and the floor. There are various types of overhead cranes with many being highly specialized. Overhead crane respan purchased three used 20ton cranes from a used crane dealer.
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