Cutter Loader - Cutter Loader
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...Trams were used in mines and battery-powered safety lamps were invented in the late 19th and 20th centuries. It was not until the 20th century that mines were mechanized and modernized as they are today. Especially during the European reconstruction period after World War I, belt conveyors and cutter loaders (machines that cut the bottom edge of the coal seam with a cutter and place the collapsed coal on a conveyor) were developed, and longwall mining methods developed, which, along with the use of explosives, made it possible to mine coal more efficiently. After World War II, European coal mines developed longwall mining using hydraulic iron pillars and capes, while American coal mines developed coal pillar mining technology using continuous miners (machines that cut coal with a rotating drum with cutting blades at the front of the machine body, scoop up the coal, and transport it to a transport device at the rear on a conveyor). ... From [Coal Mining Machine]…Until that time, coal mining machines were powered by compressed air (pressure 5-6 kgf/cm2), with an output of about 30 kW, but around 1940, electric motors came into use, and output increased to about 45 kW. Furthermore, attempts were made, mainly in the UK, to develop a coal mining machine equipped with a device for loading mined coal (cutter loader). In the 1940s, the US developed a coal mining machine for use in the room-and-pillar method, and in 1946 the continuous miner appeared. … *Some of the terminology that refers to "cutter loader" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
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…坑内に電車が使われたり，蓄電池を利用した安全ランプが発明されたのも19世紀末から20世紀にかけてであった。 炭鉱の坑内が機械化され，今日のような近代的炭鉱になるのは20世紀に入ってからであるが，とくに第1次大戦後のヨーロッパの復興期には，ベルトコンベヤやカッターローダー(石炭層の下縁をカッターで切り崩し，崩壊した石炭をコンベヤにのせる機械)が開発されて長壁式の採炭法が発達し，火薬の使用とともに高能率の採炭が行えるようになった。さらに第2次大戦後のヨーロッパの各炭鉱では，水圧鉄柱とカッペによる長壁式採炭が，アメリカの炭鉱ではコンティニュアスマイナー(機械本体の前方にある切削刃のついた回転ドラムで石炭を切削し，その石炭をすくいとって，コンベヤで後方の運搬装置に運び入れる作業を行う機械)を使用する炭柱式の採炭技術が進歩した。… 【採炭機】より…このころまでの採炭機の動力源は圧縮空気(圧力5～6kgf/cm2)で，その出力も30kW程度であったが，40年ころには，電動機が使用されるようになり，出力も45kW程度に増大した。さらに，採掘された石炭を積みこむ装置を備えた採炭機(カッターローダーcutter loader)の開発が，主としてイギリスで試みられた。 40年代にアメリカでは，残柱式(柱房式)採炭法に使用する採炭機の開発が行われ，46年にはコンティニュアスマイナーが出現した。… ※「カッターローダー」について言及している用語解説の一部を掲載しています。 出典｜株式会社平凡社世界大百科事典 第２版について | 情報 |
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