Cardan shaft sealing sleeve of geological prospecting screw drill
A technology for screw drilling tools and geological exploration, which is applied in drilling equipment, earth-moving drilling, driving devices for drilling in wellbore, etc., can solve the problems of shaft wear and other problems, and achieve the effect of retractable sealing to protect the outside of the shaft.
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[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0027] see Figure 1-7 , a universal shaft sealing sleeve of a geological exploration screw drilling tool, comprising a shaft body 1, the left and right ends of the shaft body 1 are fixedly connected with a spherical cover 2, the shaft body 1 is a universal shaft body, and the left and right ends of the shaft body 1 pass through The ball cover 2 is fixedly connected with the threaded nut, so that the ball cover 2 can seal and protect ...
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