Installation guide device of skeleton sealing ring of hollow shaft of rotary drill rig and use method
A technology of skeleton sealing ring and guiding device, which is applied to hand-held tools, manufacturing tools, etc., can solve the problems of easily damaged sealing inner ring, failure of sealing effect, and inability to guarantee sealing, so as to reduce installation strength, install smoothly in place, and ensure The effect of installation accuracy
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[0012] The hollow shaft skeleton seal ring installation guide device of the roller drill of the present invention is characterized in that it is composed of a tapered shaft 1 and a force wrench 6 inserted into the tapered shaft 1. The middle of the large-diameter end surface of the tapered shaft 1 It is provided with an external tapered threaded column 4, a thin-walled insert sleeve 5 is provided at the periphery of the outer circle to form an annular groove, and the external tapered threaded column 4 is threadedly connected with a tapered threaded hole provided on the end surface of the hollow shaft 2. The inner surface of the thin-walled insert sleeve 5 and the outer surface of the hollow shaft 2 are in clearance fit connection, and the small diameter end of the tapered shaft 1 is provided with a through hole for inserting the force wrench. The hollow shaft skeleton sealing ring installation guide device of the roller drill effectively solves the problems of difficulty in inst...
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