ERs750 (adjustable)

ERs750 (adjustable)

Chain bucket excavators are the direct descendants of the dredges employed from the 17th century in the Netherlands to deepen shipping channels and harbour basins. At the beginning of the 19th century the first steam dredges were built in the USA and the UK. Steam dredges were widely employed during construction of the Suez and Panama canals. Since the middle of the 19th century steam powered chain bucket excavators were developed by French designers for digging dry sediments like sand, gravel or clay above the ground water level.
The use of chain bucket excavators with lignite opencast mining in Germany started at the begin of the 20th century. The early models were rigid, steam powered and invariably running on rails. Nowadays opencast mining industry employs a variety of different types, which are invariably electrically powered. While the larger types are still running on rails, the smaller ones are moving on crawlers. The bucket chain is motile and may be adjusted for cutting downwards, horizontally or upwards. All major components, lower works with the crawlers, middle works with the loading arm as well as upper works with the bucket chain can be moved independently by 360 degrees around the central verical axis. Ihis feature increases versatility considerably in comparison to older models. Major manufacturers were East Germany, West Germany and Czechoslovakia. While the former built bucket chain excavators moving either on rails or crawlers, Czechoslovakia is known for their walking bucket chain excavators.
According to the nomenclature used in East Germany to classify opencast mining equipment this type is designated ERs 750. E meaning chain bucket, R crawlers and s swiveling upper works, 750 is the volume in litres of each bucket. Its gross weight is around 500 t. it cutting depth is 10 metres. The ERs 750 is one of the more common medium types mainly used for harvesting lignite.
The development of chain bucket excavators has come to an end as they are gradually replaced by bucket wheel excavators, which are even more versatile, allowing more selective excavation of lignite and overburden.
The model is built as an industry asset, which can load lignite or overburden into enabled railcars. The angles of the loading arm as well as the upperworks with the bucket chain can be adjusted through a menue in the explorer. Likewise, the bucket chain can be changed from horizontal to deep cutting. The type of product loaded can be selected by the menue too. The animation of the bucket chain is controlled by script.

Author: K. Bernhard

ERs750 (adjustable)
• $screenshot$.jpg 26.77KB
body
dunkelgrau.texture.txt 33 bytes
dunkelgrau.tga 786 bytes
ers750_abwurfarm.im 247.86KB
ers750_basis.im 12.05KB
ers750_basis.kin 1.45KB
ers750_eimerkette_horizontalschnitt.im 54.77KB
ers750_eimerkette_horizontalschnitt.kin 21.20KB
ers750_eimerkette_tiefschnitt.im 52.57KB
ers750_eimerkette_tiefschnitt.kin 19.70KB
ers750_eimerleiter_horizontalschnitt.im 171.71KB
ers750_eimerleiter_tiefschnitt.im 171.66KB
ers750_oberbau.im 212.56KB
ers750_oberbau_basis.im 1.53KB
ers_750_oberbau_basis.kin 1.49KB
ers_750_unterbau.im 124.82KB
fabrikfenster_kurz.bmp 48.05KB
fabrikfenster_kurz.texture.txt 71 bytes
fabrikfenster_kurz.tga 48.04KB
foerderband.texture.txt 34 bytes
foerderband.tga 48.04KB
gegengewicht.texture.txt 35 bytes
gegengewicht.tga 48.04KB
gelaender.texture.txt 32 bytes
gelaender.tga 812 bytes
gelaender_gelb.texture.txt 37 bytes
gelaender_gelb.tga 12.02KB
kabel.texture.txt 28 bytes
kabel.tga 812 bytes
kabeltrommel.texture.txt 35 bytes
kabeltrommel.tga 96.02KB
kettenglied.texture.txt 34 bytes
kettenglied.tga 24.02KB
kreuzverband.bmp 192.05KB
kreuzverband_dunkelgrau.texture.txt 70 bytes
kreuzverband_dunkelgrau.tga 192.04KB
maschinenraum_dunkelgrau.texture.txt 47 bytes
maschinenraum_dunkelgrau.tga 192.04KB
raupenlaufwerk.bmp 96.05KB
raupenlaufwerk.texture.txt 63 bytes
raupenlaufwerk.tga 96.02KB
riffelplatte.texture.txt 35 bytes
riffelplatte.tga 48.04KB
schaufelrad.texture.txt 34 bytes
schaufelrad.tga 48.04KB
schild ers 750_315.tga 192.02KB
schild takraf.tga 192.02KB
schurre.texture.txt 30 bytes
schurre.tga 24.04KB
speichenrad.bmp 48.05KB
speichenrad.texture.txt 57 bytes
speichenrad.tga 48.02KB
• coal_load0.wav 104.12KB
• coal_load1.wav 104.11KB
• config.txt 26.98KB
• ers750.gs 27.65KB
• ers750.tga 16.53KB
• ladung_abraum0.tfx 388 bytes
• ladung_abraum1.tfx 388 bytes
• ladung_abraum2.tfx 388 bytes
• ladung_braunkohle0.tfx 388 bytes
• ladung_braunkohle1.tfx 388 bytes
• ladung_braunkohle2.tfx 388 bytes
• umwelt.wav 96.13KB

Private use only.