A kind of hollow diverter screw drill
A screw drill and hollow technology, which is applied in drilling tools, earthwork drilling, drilling equipment, etc., can solve the problems such as the inability to meet the needs of different diversion flow and the inability to adjust the flow of the diversion part.
Active Publication Date: 2021-10-26
盐城市荣嘉机械制造有限公司
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Problems solved by technology
[0003] The object of the present invention is to provide a hollow screw drill with split flow, aiming to solve the problem of the existing hollow screw drill in the prior art. Under the same pressure, the flow rate of the split flow part cannot be adjusted, which cannot meet the needs of different working environments. Technical Issues of Demand for Different Split Flows
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[0017] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0018] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element...
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The invention discloses a hollow diverter screw drill, the diverter mechanism is located inside the groove, the diverter mechanism includes a first spring, a second spring, a sealing plate, a connecting plate, a resisting plate and a threaded column, the The housing is provided with a threaded hole, one end of the threaded column is fixedly connected to the resisting plate, one end of the second spring is fixedly connected to the resisting plate, and the other end of the second spring is fixed to the connecting plate connected, the first spring is fixedly connected to the connecting plate, the other end of the first spring is fixedly connected to the sealing plate, the sealing plate and the connecting plate are parallel to each other, and the screw thread is rotated according to different requirements The column is used to bring the resisting plate to translate in the groove, because the second spring is always in an elongated state, and when the sealing plate is equal to the groove under the gravity of the liquid, it will Under the restoring force of the second spring, the corresponding gap is exposed, so as to achieve the function of regulating the liquid flow.
Description
technical field [0001] The invention relates to the technical field of screw drilling tools for drilling operations, in particular to a hollow split flow screw drill. Background technique [0002] The screw drill is a commonly used drilling equipment in the field of oil exploitation. The hollow screw drill is made of a channel in the middle of the rotor. There is no channel in the middle of the ordinary screw drill rotor. Compared with the ordinary screw drill, the technical characteristics of the hollow screw drill through the hollow shunt , so that the drilling efficiency is greatly improved, but the existing hollow screw drill, under the same pressure, the flow rate of the diversion part cannot be adjusted, and cannot meet the needs of different diversion flow rates in different working environments. Contents of the invention [0003] The object of the present invention is to provide a hollow screw drill with split flow, aiming to solve the problem of the existing hollo...
Claims
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IPC IPC(8): E21B4/02E21B12/00
CPCE21B4/02E21B12/00
Inventor 朱加道卞长荣王国华刘书军
Owner 盐城市荣嘉机械制造有限公司