Fully mechanized coal mining face hydraulic support with bidirectional protection
The utility model belongs to the field of fully mechanized coal mining face end hydraulic supports, and particularly relates to a fully mechanized coal mining face hydraulic support with bidirectional protection. Comprising a hydraulic support; a side supporting type side turning plate is additional...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model belongs to the field of fully mechanized coal mining face end hydraulic supports, and particularly relates to a fully mechanized coal mining face hydraulic support with bidirectional protection. Comprising a hydraulic support; a side supporting type side turning plate is additionally arranged at a top beam of the hydraulic support, is parallel to the top beam, is supported by a side turning plate oil cylinder at the bottom and can be unfolded or folded relative to the top beam; a side protection jack is additionally arranged in a gap between a rear connecting rod and a front connecting rod of the hydraulic support, the side protection jack is fixedly connected with a movable side protection plate on the outer side of the rear connecting rod, and the movable side protection plate comprises a baffle parallel to the width direction of the hydraulic support and attached to the rear connecting rod and a connecting plate connected between the baffle and the side protection jack. The side protectio |
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