Cn105329818a maintenance platform for electric grab. The average ship unloading efficiency of ship unloader can account for 55%60% in the rated production efficiency when the ship unloader has stepped into stripping stage, however, the grab ship unloader only accounts for 45%. Compared to a grab type unloader, our pneumatic ship. Grabs must be specially designed to work with a rotator system. Gbt 182242008 safety code for the bridge type grab. Classification of different types of ship unloaders. Bulk materials handling grab unloaders tec engineering. Port of koper, slovenia the port of koper uses a konecranes agd grab unloader to unload iron ore and coal. Ship unloaders are often supplied with a 90 grab rotating system, so the grab can work with a longitudinal opening direction as well as with a transversal cross direction. Grabtype ship unloaders thyssenkrupp industries india. Grab bucket unloader grab bucket easier to integrate, more capacity, long term options. Our ship unloaders are designed to transfer dry bulk cargo from ship to shore in the most efficient manner possible. However by using latest technology and experienced operator the unloader through output getting only near about 40% of rated capacity. Gb182242008safety code for the bridge type grab ship unloader text of document is in chinese customer service.
Ship unloaders are important functional subsystem of unloadirg and transportation of bulk materials shipped. This article made a research of the stress test technology on the use of safety assessment on the structure of the bridge type grab ship unloader, through the dynamic stress test of ship unloader key parts of the structure under the use of the condition, analysis bridge. Bulk handling equipment ship unloader gantry mounted grab type code of practice for design, manufacture and erection, part 3 information to be supplied by purchaser and the manufacturer by bureau of indian standards. For the handling of bulk materials, tts cranes are available as a standard crane equipped with motor grab or as 4rope grab crane for heavy duty operation. Grab type ship unloader has the utility of unloading enormous bulk cargos in docks and has the main features of big unloading capacity and of being able to unload various cargos, which has good adjustability to different size of ships. It incorporates a bucket of appropriate size to satisfy the capacity. Mobile pneumatic conveyors or vacuvators or grain pumps. Gantry crane grab type ship unloader coal handling plant. One of the key components of the automation system is the intelligent grab guidance system based on the grab s position tracked in real time. Already more than 200 gsus worldwide are equipped with abbs automation system. It has a lifting capacity of 32 tons, an unloading capacity of 1500 tph, and an outreach of 40 m. Grab ship unloaders are normally used for handling materials like coal, iron ore and bauxite. Thyssenkrupp robins products grab type ship unloader.
China grab type ship unloader, grab type ship unloader. Comparing with the traditional grab ship unloaders, it has the following advantages. As the most common bulk cargo handling equipment in chinas port, grab ship unloaders hereinafter referred to as the ship unloader are widely used, mainly for handling coal, ore, grain, fertilizer, and other bulk cargo handling 1. Our grab type ship unloader is your best choice of unloading operation of bulk material ship in bulk cargo dock. Research on maintenance strategy of largescale grab ship. Lessons of ship unloader disaster due to wind forces request pdf. At hansaport, four ship unloaders were equipped with the isam grab unloader automation system and since the beginning of 2011, the whole system is operational. They offer quiet operation, no low frequency noise and easy maintenance. The majority of applications call for gantrytype cranes that come in all sizes and designs in thyssenkrupp programme, with high throughputs so that ship turnround times are kept.
These devices guarantee a high degree of safety for the ship unloader and allow to minimise the use of auxiliary machines for the final cleaning of the hold. Integrated harbour solutions in addition to the ship unloader, our integrated harbour. A clamshell bucket is cycled in and out of the ship s hold, unloading with each scoop 15 20 cubic yards, depending on the design specifications. The konecranes grab unloader with advanced grab drive agd transfers solid bulk cargoes from the ships hold to the material handling system on the jetty. Agd grab unloader the konecranes grab unloader with advanced grab drive agd transfers solid bulk cargoes from the ships hold to the material handling system on the jetty or wharf. Type lifting force t capacity t h material handled span m max. Structural analysis of continuous ship unloader abdul w asy, atta ur rehman, hyesoo kim, sunho ha, jungil song key words. The grab type ship unloader is a rail mounted clamp shell type grab bucket ship unloader. Dear experts, we are using grab type ship unloader for unloading the coal. Project schedule contract entering into force startup of the line. Crane raw materials ship unloader product description crane unloader is a ship unloader installed on the maritime facilities pier used to unload and stock raw materials used by the blast furnace and coke oven plant. It covers all capacities and site conditions from barge unloading to the largest oceangoing bulk carriers.
Our advanced grab drive agd technology is the most advanced on the market. They remove the commodity and deposit it either in a hopper integral with the ship unloader or on the land behind the ship unloader. We are using grab type ship unloader for unloading the coal. The grabtype ship unloader is the traditional method to unload bulk cargo. The konecranes grab unloader with advanced grab drive agd transfers solid bulk cargoes from the the cargo is unloaded with a mechanical grab which is operated by four wire ropes. The design, manufacture, and inspection of anson grab ship unloader is according to the din, fem, iec, aws, and other traditional advanced standards and the latest national standards of china. Interactive multiobjective optimization for a grabshift. Our fully enclosed systems comply with the most stringent emission standards for alumina and coke. The transporting vehicle could move under the bridge. Automation of grab ship unloaders gsu for bulk materials. Through the coordinated movement of dedicated hydraulic cylinders, the lower arm can modify its geometrical configuration so as to obtain the best bucket filling and to reach the walls in.
The bridge grab ship unloader could travel on the rail. Grab type ship unloader the grab type unloader is the traditional method to unload a ship. Grab ship unloader gsu crane operator 7 the grab as per the signal and directions blind spot operation pc16. This part 2 is the one in the series of other parts of the standard covering the code of practice for design, manufacture and erection of gantry mounted grab type ship unloader provided with. Ship unloader cement unloader pneumatic ship unloader. Grabshift unloader cranes are used to move bulk material from a ship to a hopper at shore. The invention provides a maintenance platform for an electric grab bucket for a ship unloader. Pneumatic continuous barge unloaders and mechanical barge loaders. Technical features building year 2003 revamping year 2007 limited to engine room rail gauge 18,5 m cranage capacity 441,5 kn. Automation for grab ship unloaders gsu plays the key role in reaching the desired productivity. Bridge grab ship unloaders can be operated on the rails, and two transport vehicles can pass through the gantry.
Grab ship unloader gsu crane operator is involved in unloading of bulk cargo such as coal, minerals, etc from the. The grab ship unloader is a large scale port crane and plays an important role in unloading bulk materials such as iron ore, coal, and stone. Maximizing these economies involves careful evaluation of many elements. The safety performance of bridge type grab ship unloaders are the main factors in the normal operation of a bulk cargo wharf. The bridgetype grab ship unloader is a kind of important cuttingedge unloading equipment in the wharf. Aug 12, 2018 the grab type ship unloader is a rail mounted clamp shell type grab bucket ship unloader. Considering that the foregoing ship unloader can play an important role for the systems working efficiency, it has been widely applied to all kinds of ports. Gbt 182242008 safety code for the bridge type grab ship unloader text of document is in chinese. Grab ship unloader gsu crane operator is involved in. In this work, we propose a method based on weibull distribution model to deal with the failure data of a largescale grab ship unloader, build up the model of mtbf mean.
The cargo is unloaded with a mechanical grab which is operated by four wire ropes. Grab ship unloaders are large machines prepared to move along the harbour and to keep grab material from the vessels hold and transfer this material to a. Ship unloader all boating and marine industry manufacturers. The konecranes grab unloader with advanced grab drive agd transfers solid bulk cargoes from the ships hold to the material handling system on the jetty or wharf. Our compact drive systems minimize the need for space in your continuous ship unloaders. Outstanding performance with consistently high through ship capacity. One of the key components of the automation system is the intelligent grab guidance system based on the grabs position tracked in real time. Compared to a grab type unloader, our pneumatic ship unloaders travel less, reducing the risk of collisions. Short cycle times in combination with high capacity clamshell grabs offer high unloading rates and high efficiency. The konecranes grab unloader with advanced grab drive agd transfers solid bulk cargoes from the ship s hold to the material handling system on the jetty or wharf. Grab ship unloader automation solutions for marine.
Grab ship unloader all boating and marine industry. The strategem agd grab unloader meets the modern bulk terminals need for consistent performance and high reliability. Optimal control of ship unloaders using reinforcement learning. We was employed many things to increase the productivity but it was increase hardly about 2 to 3 %.
They exclude delivery charges and customs duties and do not include additional charges for installation. Bulk handling equipment ship unloader gantry mounted grab type code of practice for design, manufacture and erection, part 2 electromechanical requirements by. China grab type ship unloader manufacturers select 2020 high quality grab type ship unloader products in best price from certified chinese new type material manufacturers, c type press suppliers, wholesalers and factory on. Ship unloaders are often supplied with a 90 grabrotating system, so the grab can work with a longitudinal opening direction as well as with a transversal cross direction. When the grab bucket grasps the materials, the materials would be unloaded into the conical hopper. Continuous ship unloader mainly consists of following components. The grab type ship unloader is the traditional method to unload bulk cargo. Outstanding performance with consistently high throughship capacity. In order to improve the operation even more, the idea in. Equipped with totallyenclosed screwtype technology, siwertell ship unloaders deliver high rated capacities, excellent through ship performance and low env. A grab located at the end of the suspension cable is used to grasp and hold the material to be unloaded.
Grab type gantry ship unloader buy ship unloader product on. Us3494485a us742453a us3494485da us3494485a us 3494485 a us3494485 a us 3494485a us 742453 a us742453 a us 742453a us 3494485d a us3494485d a us 3494485da us 3494485 a us3494485 a us 3494485a authority us united states prior art keywords conveyor chips ships grab bucket unloader prior art date 19671019 legal status the legal status is an assumption and is not a. Grab shift unloader cranes are used to move bulk material from a ship to a hopper at shore. Grab type ship unloaders the offloading of high density bulk goods and heavy loose goods at fast flow rates, is the classical domain of the grab and hook unloaders. Automation of grab ship unloaders gsu for bulk materials riegl. The grab ship unloader is the main unloading equipment in ports. Qualifications pack grab ship unloader gsu crane operator. View pdf catalogues and other online documentation prices are pretax. Csu, bulk transportation, static analysis, structure. Grab ship unloader, crane systems, loading crane, in. Mechanical and pneumatic continuous ship unloaders for vessels up to postpanamax. Equipped with totallyenclosed screwtype technology, siwertell ship unloaders deliver high rated capacities, excellent throughship performance and low. The advanced grab drive agd system uses four separate but identical winches.
In order to improve the operation even more, the idea in this paper, is to. It covers all capacities and site conditions from barge unloading to the largest. Grab ship unloader can be used to unload coal from ships in the middlesized and smallsized ports or from the power terminals, with the advantage of high speed and efficiency. Documents sold on the ansi webstore are in electronic adobe acrobat pdf format, however some iso and iec standards are.
Pdf structural analysis of continuous ship unloader. With the high efficiency and wide usability, it is widespread used in bulk handling. Sumitomo heavy industries material handling systems co. Vigan manufactures bulk materials handling systems mainly. Grabtype ship unloaders the offloading of high density bulk goods and heavy loose goods at fast flow rates, is the classical domain of the grab and hook unloaders. The advanced grab drive agd system uses four separate but. Current design of the ship unloader drives for larger cranes and increased speed to reduce the operational cost and to improve productivity. One of the key components of the automation system is the intelligent grab tracking system based on the 3d real time laser scanner. Safety code for the bridge type grab ship unloader. A clamshell bucket is cycled in and out of the ships hold, unloading with each scoop 15. A clamshell bucket is cycled in and out of the ships hold, unloading with each scoop 15 20 cubic yards, depending on the design specifications. The rail mounted unloaders are designed for handling large amounts of bulk materials. Mar 05, 2015 gtsu grab type ship unloader trolley and grab movement 800 ton per hour duration.
For their upgrade stage 2 project, bontang coal terminal, indonesia, ordered a new type of thyssenkrupp continuous barge unloader to unload coal at a rate of 4100 th. This type of cranes are today normally operated by an operator controlling the motion of the trolley and the grab so that fast and e cient trajectories are obtained. Structural analysis of continuous ship unloader abdul wasy, atta ur rehman, hyesoo kim, sunho ha, jungil song key words. Grab type ship unloader main characteristics ship size. The maintenance platform comprises a ship unloader structure. The clamshell is suspended from a traversing trolley and is raised and lowered by a winch. An intermittent unloader either berth mounted or mounted inside the ship for self unloading, can handle higher size lumps of up to 500 millimetres as in the case of tuticorin project but has a lower efficiency and lower average to peak ratio compared to continuous unloaders which will result in higher peak evacuation rate compared to the. The research of the stress test technology on bridge type.