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目前我国立井箕斗卸载型式,归纳有三类: (一)曲轨式翻转箕斗,箕斗框架下部有一个固定转轴联着斗箱,斗箱两侧各安一个卸载滚轮,当箕斗卸载时,框架仍沿罐道上升,而斗箱滚轮进入曲轨,使斗箱围绕转轴向受煤仓方向翻转,将煤卸入受煤仓内。老矿井过去多采用这类箕斗。 (二)垂直式卸载箕斗,卸载闸门是一个垂直平板,借助滚轮沿着斗箱两侧的导轨上下运动。在井架上设有闸门开闭装置,通过气缸带动抓捕器,抓捕器沿着特制的轨道(或轨迹板)上下动作,带动垂直闸门开闭。
At present, there are three types of bucket-skip unloading patterns in our country: (1) A curved rail turning bucket with a fixed rotating shaft attached to the bucket box at the lower part of the bucket frame, and an unloading roller on each side of the bucket box. When the skip is unloaded , The framework is still rising along the cannel, while the bucket wheel into the curved track, the bucket around the shaft to the direction of the coal bunker turn, the coal unloaded into the bunker. Old mine in the past to use such skips. (B) vertical unloading skip, unloading gate is a vertical plate, with the roller along the sides of the bucket rail up and down movement. A gate opening and closing device is arranged on the derrick, the arresting device is driven by a cylinder, and the arresting device moves up and down along a special track (or trackpad) to drive the vertical gate to open and close.