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Application of Precision Speed Regulator in Power (9th Dec 22 at 1:03am UTC)
Original Title: Application of Precision Speed Stabilizer in Power Drill The roller cone engineering drilling machine in the prior art comprises a motor and a precise speed stabilizer, wherein the motor is connected with the precise speed stabilizer. When the roller cone engineering drilling machine drills a hole, sufficient shaft pressure and rotating torque are supplied to the drill bit through the drill rod by means of a pressurizing and rotating structure, and the roller cone drill bit drills and rotates on a rock block to generate static pressure and impact dynamic pressure on the rock block. The cone uninterruptedly squeezes and weakens the impact of broken rocks in the process of rolling at the bottom of the hole, and compressed gas with a certain pressure and flow rate gushes out from the nozzle of the drill bit through the inside of the drill rod to continuously blow the rock slag from the bottom of the hole to the outside of the hole along the rod and the circular mold on the inner wall of the hole until a drill hole with the required hole depth can be formed. Precision speed regulator However, in the prior art, the rate at which the compressed gas is ejected from the drill bit nozzle is fixed, that is, there are only two States of ejecting the compressed gas and not ejecting the compressed gas. However, at the beginning of drilling or when the drilling is very shallow, the high-speed compressed gas ejected onto the rock will produce a reaction force, which will offset the drill bit head and make the drilling position or angle inaccurate; In addition, when the drilling depth has reached the target depth, the impact force generated by high-speed compressed gas will also lead to bit offset, affecting the quality of drilling. Precision speed regulator In a working state, Tapered Rock Bit , the precision speed stabilizer is arranged on the drilling machine, the annular plate and the drill bit are coaxially arranged, and a plurality of extrusion plates are propped against the drill bit from the periphery. A sliding groove is arrange on that same side of the second groove on the extrusion plate, the support rod is inserted into the slide groove, and limit structures matched with each other are arranged at the end of the support rod insert into the sliding groove and at the side outlet of the sliding groove. A circle of limit ring is arranged at the outlet of the sliding groove, a flange surface is arranged at the end part of the supporting rod inserted into the sliding groove, and the flange surface is propped against the limit ring from the inside of the sliding groove during the relative sliding process of the supporting rod and the extrusion plate. Precision speed regulator The precision speed stabilizer is installed on the drilling machine, and in the working process of the drill bit, the tremor on the equipment can be buffered through the precision speed stabilizer, so that the risk of route deviation in the advancing process is reduced; and the resistance of the precision speed stabilizer is applied to the drill bit through surface contact, so that the drill bit can be prevented from being scratched by a sharp structure; Secondly, it can make the resistance act on the drill bit in the form of surface contact, improve the effect of tremor mitigation, and thus reduce the risk of the drill bit deviating from the route by a large margin. As mentioned above, in the power drill, the precision speed regulator can not only improve the fineness of the drilling depth, but also improve the safety performance and prolong its service life, which can be said to kill three birds with one stone.
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