High-reliability hydraulic ejector
A hydraulic injector, reliable technology, applied in the direction of mining fluid, wellbore/well components, earthwork drilling and production, etc., can solve problems such as tool failure, tool external damage, nozzle and pressure cap drop, etc., to prevent drop , Improve the reliability of use and the efficiency of construction, and the effect of increasing the number of construction sections
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[0013] Combine below figure 1 , 2 , 3 describes an embodiment of the present invention.
[0014] A high-reliability water jet, comprising a body 1 with a pressure cap hole 2 formed on the body 1, the pressure cap hole 2 is a stepped shape with a large outside and a small inside, and the small hole at the inner end is an internal threaded hole The pressure cap 4 is a stepped shape that matches the shape of the pressure cap hole 2, and its inner hole is a stepped shape with a small outside and a large inside. The nozzle 3 is inserted into the large hole at the inner end, and the small hole at the outer end is an inner hexagon, Used for loading and unloading the pressure cap 4; the pressure cap 4 is installed in the internal threaded hole at the inner end of the pressure cap hole 2 through the external thread on the outer wall of the small end; the pressure cap 4 is brazed with a pressure cap on the outer end surface 9, and the pressure cover 9 is clamped on the boss at the center o...
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