Electric overhead traveling crane or EOT crane is one of the most common types of overhead crane, or called bridge cranes, which consist of parallel runways with a traveling bridge spanning the gap.
How many types of EOT crane are there?
There are various types of EOT (electric overhead travel) cranes 1. Single Girder EOT Crane 2. Double Girder EOT Crane Single Girder EOT Crane – Sparkline manufactures and supplies a wide range of single girder EOT cranes in various configurations according to customer requirements.
What is LT and CT in Crane?
LT motion : Long Travel Motion. CT motion : Cross Travel Motion. Bridge : the structural portion on which the trolley/crab moves. LT End carriage : Structure which houses Long Travel Wheels. CT End carriage : Structure which houses Cross Travel Wheels.
How does EOT crane work?
EOT Crane Working Principle
1. … The ring gear of drum transmit driving force to drum set, then through wire ropes and pulleys drive crane hook up and down, so as to finish the lifting of the heavy objects up and down. 2. Transmission of crane Trolley traveling system: the driving force of crane trolley is from motor.
Is EOT a crane?
EOT cranes are some of the most commonly used type of cranes in industries that have heavy duty operational requirements. These cranes are used to lift or lower loads as well as to move heavy materials during daily operations.
Which motor is used in EOT crane?
While series DC motors consume more power than PMDC motors to produce their electromagnetic field, they’re powerful, efficient at high speeds and produce the most torque; hence, they are used for heavy duty winches. Shunt DC motors are used in constant speed applications, 18 such as reel drives.
What are the components of a crane?
The Various Functions of Mobile Crane Parts
- The Driving Components. In any mobile crane, one of the common components will be the driving system used to make it mobile. …
- The Operator’s Cabin. The operator’s cabin houses all of the crane’s controls. …
- The Boom. …
- Hoist and Hook. …
- Hydraulic Pump. …
- Outriggers and Counterweights.
6 февр. 2020 г.
What are three functions of a crane?
The main purpose of a crane is to lift extremely heavy amounts of weight. A typical crane is equipped with a hoist rope, wire ropes or chains and sheaves.
Modern day cranes are used for:
- Construction Materials.
- Railroad Tracks.
- Shipping Materials/Equipment.
- Scrap Metal.
- Mobile Homes.
5 нояб. 2015 г.
What is crab in 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. … The motion of the crab is derived from an electric motor.
What is bay length in Crane?
Scope: Design, manufacture, Erection, Commissioning, Trial run and supply of 3 TON capacity electrically operated overhead travelling crane conforming to IS: 807, 3177 & 3938 tested to 25% overload with a span 18 meters, Lift 7.5 meters and bay length 28 meters and as per the detailed specifications in the annexure.
What cranes are used for?
A crane is a machine that is used to lift and move heavy loads, machines, materials, and goods for a variety of purposes. They are used in all different sectors of industry, from construction to manufacturing to shipbuilding and material loading.
How many types of cranes are there?
Mobile. There are four principal types of mobile cranes: truck mounted, rough-terrain, crawler, and floating.
Is a crane a 3177?
IS 3177: Code of Practice for Electric Overhead Travelling Cranes and Gantry Cranes other than Steel Work Cranes.
Is crane hook a code?
IS 12162: Lifting Hook.
What is meant by EOT?
Within construction if there is a delay that isn’t the contractors fault an extension period is typically awarded known as an EOT meaning, extension of time. … If there is a delay in allowing the contractor to take over the site.
Is Crane a code?
Code of practice for safe use and maintenance of non-calibrated round steel link lifting chains and chain slings experience of the crane and the equipment used in the lifting operation as is necessary-to- carry out the function to which the term relates in each particular context.