Zhou Jingye

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 article, a built-in integrated water connector reversing mechanism for a single-power synchronous two-way mixing pile machine is described, where the water connector is horizontally located in a transmission shaft of the reversing mechanism body and a conveying shaft is fixed to the inner rings of the bearings through nuts.

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 paper, a built-in integral type water swivel side steering was used for single-action power, synchronous two-way stirring stake machine, including side steering and water-swivel.

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.