2results about How to "Stainless" patented technology

The utility model relates to gold mining technical field, and disclose a device for plugging drilling hole, including the plugging cylinder, the top fixedly connected with the plugging pressure plate of plugging cylinder, the top fixed mounting of plugging pressure plate has the connecting thread seat in the central position, the upper and lower end central position of penetrating the connecting thread seat and plugging pressure plate is provided with the plugging screw rod, the bottom fixed mounting of plugging screw rod has the connecting rod, the bottom of connecting rod is installed with the plugging block through the connecting bolt, through plugging screw rod, connecting rod, plugging block, plugging cylinder, expansion slot, can be from inside to outside and plugging cylinder is expanded, need not to hit with great force, reduce the damage probability, reduce personnel labour intensity at the same time, when plugging drilling hole, will not rust, service life is higher, can improve the friction, reduce the probability that plugging cylinder slips out drilling hole, further reduce the probability of groundwater leakage, facilitate the improvement sealing effect.

The utility model relates to cable connection technical field provides a kind of cable head mounting structure, including C type sleeve, front plug connector, rear plug-in lightning arrester and rear plug, the left mounting hole for C type sleeve end insertion is equipped in the side of front plug connector, the right mounting hole for rear plug-in lightning arrester insertion is equipped in the other side, the right insertion hole for rear plug insertion is equipped in the side of rear plug-in lightning arrester.The utility model overcomes the deficiency of prior art, and design is reasonable, compact structure, threaded hole of double-end bolt and type sleeve and the hollow conduit threaded connection of connecting guide rod, realize the dual function of electrical conduction and mechanical fixation, rear plug-in lightning arrester cooperates double-end bolt and passes through and the axial locking of spring washer and nut, double-end bolt is arranged in the interior of device, and rust will not be affected by water vapor, ensure that cable long-term stable movement.