Hydraulic jumbo stop only the pulp slurry method and apparatus

2012 
The present invention relates to sea, the river environment of weak rock pore Surrounding BACKGROUND discloses a hydraulic drill rig and a method of stopping only the pulp slurry means that only the pulp slurry method is the use of locking means only pulp, pulp stop means , comprising: a pressure pipe, grouting stopper, hydraulic cylinder, sleeve, gasket, the inner sleeve is provided with a pair located on opposite sides of the drill pipe grouting stopper, only the pulp with the sides of the plug are fixed through the outer sleeve symmetric hydraulic cylinder piston rod; end of the cannula is provided with a pressure pipe for axially pressing grouting stopper, the pressure tube sleeve threaded connection; the other end of the sleeve is provided with a seal, the orifice tube, the orifice tube, the sleeve seal is fixed by a bolt connection. The present invention only simple syrup operation, convenient remote control: the ability to save construction costs, improve work efficiency, shorten the construction period, to meet the market requirements of the construction schedule, cost, and protecting the environment has a very positive social and economic benefits to achieve the trolley Note integrated drilling and construction.
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