Abstract
Top plate is arranged on top beam in tiltable top beam low caving coal end hydraulic support, including pedestal, column and top beam;It is hinged with top beam that each column passes through cating nipple respectively, and cross connector is arranged between cant beam and top beam.The present invention has a case that can adapt to uneven top or top plate and pedestal is not parallel.
Original language | English |
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Patent number | CN110219688A |
Publication status | Published - 24 May 2019 |