2.0 Mb 867 Kb: New Crane and Derrick Standard Summary Provides information contained in Subpart CC: New Crane and Derrick Standard. HH crane GP crane Applications: Hose handling on tankers. Underhung cranes offer excellent side approaches, close headroom and can be supported on runways hung from existing building members if adequate. Heavy offshore operation in compliance with the 7th edition of API-2C. Generally, if the crane is more than 15 ton or the span is more than 30m, a double girder crane is a better solution. K4 crane (four-rope grab crane) Applications: Cargo handling on bulk carriers and transloading. Top running single girder bridge cranes, Top running double girder bridge cranes and … They can lift up to 100 tons. Electric Overhead Traveling. 2. EOT Crane stands for Electric Overhead travelling cranes. It has a trolley hoist mechanism that runs on the bottom flange of the bridge girder. endobj Very small trolley approach dimensions meaning maximum utilization of the building width and height. Seo & Digital marketing service by, "Types of Electric Overhead Travel Cranes ( EOT Cranes )", Types of Electric Overhead Travel Cranes ( EOT Cranes ), Different Types Of Cranes And Their Unique Features, Everything you wanted to know about Electric and Manual Winches, Top measures to take for avoiding overhead crane accidents, Major Industries using Overhead Cranes: By Overhead Cranes Suppliers. These cranes have the capacity to lift both heavy and lightweight goods. The numerous sections can be folded into a small space when the crane isn’t in use. Crane Safety Article An article from the Crane Safety Supply web site. They have two main bridges and this makes it robust as well as sturdy in nature. It has everything you want to know about EOT cranes. The difference between single and double girder cranes is an effective lifting height. endobj Double girder cranes are faster, with maximum bridge speeds, trolley speeds and hoist speeds approaching 350 fpm, 150 fpm, and 60 fpm, respectively. The hoist is mounted on this bridge. The mechanism consists of only four active and driven wheels, if the weight that has to be lifted is more, the wheel pressure is reduced. 1 0 obj These can be utilized at any capacity where extremely high hook lift is required because the hook can be pulled up between the girders. The crane can have a total height much greater than 265 feet if it is tied into the building as the building rises around the crane. <>>> These robust cranes are capable of lifting heavy weights with ease. The ring gear transmits the driving force and then with the help of pulleys and wire ropes the crane hook is driven up and down. What Is The Difference Between Electric Winches And Manual Winches? They have the parallel runways and the gap is spanned by a travelling bridge. Gantry crane is sometimes also termed as overhead crane or portal crane. The crane consists of a single bridge girder supported on two end trucks. Under running, cranes are typically available in standard capacities up to 10 tons (special configurations up to 25 tons and over 90 ft. spans). The single girder EOT cranes are lighter when compared to the double girder ones and they have only one main bridge. Single girder bridge cranes generally have a maximum span between 20 and 50 feet with a maximum lift of 15-50 feet. Telescopic Crane. A telescopic crane offers a boom that has a … Which is the Most Suitable Jib Crane for Your Facility? In this write-up, we will be seeing various types of EOT (Electric Overhead Travel) cranes that are available at the best EOT Cranes Manufacturer in Ahmedabad. 2.2 Gantry crane The gantry crane is a special type of crane that raises the load by means of a hoist installed on a beam, which in turn is supported by two or more legs. Tower cranes are fixed to the ground during the construction period. This is one of the added advantages of this type of cranes. There are various types of overhead cranes, industrial cranes & EOT Crane pdf with many being highly specialised, but the great majority of installations into one of three categories. Maximum lifting power - 19.8 tons (18 metric tons) 4. About us + About Dongqi 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. However, not every crane can be a single girder crane. For some applications such as production assembly line or service line, only a trolley hoist is required. They are candidates for light to moderate service and are cost effective for use as a standby(infrequently used) crane. <> 2) Double Girder Bridge Cranes - The crane consists of two bridge girders supported on two end trucks. Heavy offshore operation in compliance with the 7th edition of API-2C. Double Girder cranes can be used all heavy lifting purposes. © Copyright 2020. Single girder cranes cost less in many ways, only one cross girder is required, a trolley is simpler, installation is quicker and runway beams cost less due to the lighter crane dead weight. The motor exhibits a driving force of the hoisting mechanism. The advantages and limitations of Single / double girder cranes are as follows: There are three working movements of EOT Crane- crane hook up and down lifting, trolley lateral movement and crane long travelling longitudinal motion. In this article, we’ll explain common overhead crane terms like Single Girder, Double Girder, Top Running, and Under Running. stream If you want to know more about these types of cranes, their specifications and decide which one among them is your right choice, just download the catalog. Please fill out the form below, and download the Catalog. Single girder cranes reduce the total crane cost on crane components, runway structure andbuilding. The Jib Cranes are a budget-friendly option and they will serve you in various ways. 2 0 obj (EOT) Cranes come in various types: 1) Single girder cranes - The crane consists of a single bridge girder supported on two end trucks. Fixed to the ground (and sometimes attached to the sides of structures as well), tower cranes often give the best combination of height and lifting capacity and are used in the construction of tall buildings. 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