Zhang Guangqing

TL;DR: In this article, the utility model discloses a machine locking-type telescopic drill rod is in the same place by the gapped cover in multisection machine locking -type drilling rod unit area, locks together through quick-witted locking-style zipper between adjacent drilling rod units, and flexible drill pipe structure is simple, and scalable creeping into is fit for narrow low clearance construction operation.

TL;DR: In this paper, a machine lock type bumper sub is characterized in that multiple sections of a bumper sub unit are sleeved together in a clearance form; adjacent bumper subs are locked together through machine lock-type zipper structures.

TL;DR: In this article, the utility model discloses an once become stake multiple-blade stake machine, including the drilling rod, the driving disc, the pylon, the unit head, the chassis, and the driving disk is fixed in the chassis lower part, pylon and chassis fixed connection.

TL;DR: In this article, the utility model discloses an automatic feeding device of tube, the pivot lower extreme of vertical setting is installed on having slewing bearing's base, the top of pivot is provided with one -way bearing, the bearing frame of one-way bearing links to each other with power device, make pivot unidirectional rotation under power device's promotion, the tube installed disc of the competent setting of cover in the pivot, installed disc's outer periphery partition has a plurality of half circular clamping groove.

TL;DR: In this article, a buffering formula is used for jointed rod and power take off to hold, and the utility model discloses having significantly reduced drilling rod and the time that the power take-off end coupled together, also not needed human observation, realization automated control that can be simple has avoided the damage of connecting the position, reduces the cost of labor, improves work efficiency, has also reduced the maintenance cost simultaneously.