HYDRO-STAND OF SECTION OF MECHANIZED TIMBERING

摘要

This invention relates to mining, in particular to hydro-stands of mechanized timbering of mining faces. The hydro-stand of the section of mechanized timbering has rod, ground-bush and cylinder where holder is placed for water supply to piston cavity and hydro-block connected to holder by means of nipple. The holder has socket in which pin is placed. The other end of the pin is installed in the opening of the hydro-block. The axes of the nipple and the pin are parallel. This invention promotes increase of reliability of operation of hydro-stand and decrease of cost of its making.