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a drill bit

A kind of drill bit, No. 1 technology, applied in the direction of drill repair, step drill, drilling tool accessories, etc., can solve the problems of easy bending of the drill hole, poor positioning of the position, and affecting the drilling efficiency, etc., to shorten the drilling Time, simple structure, and the effect of improving drilling efficiency

Active Publication Date: 2020-07-10
SHENGLI OIL FIELD SHENGHUI OIL TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The structural connection of the existing mechanical drill bit is relatively simple. Usually, the drill bit and the drill pipe are threaded and connected without other connecting equipment. If the installation is not firm, it is easy to cause safety accidents, and its position cannot be well positioned after installation. , resulting in low verticality. If the verticality between the drill and the drill pipe is not high, the drill bit is easy to bend when drilling; at the same time, it is impossible to drill a stepped hole. For those who need to drill a stepped hole As far as drilling parts are concerned, it takes a lot of work to complete, which affects the drilling efficiency and limits the drill

Method used

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Embodiment approach

[0023] As a specific embodiment of the present invention, a group of rotating wheels 121 are provided at the No. 1 groove 12; Friction between bodies 1; through this design, the present invention uses the rotating wheel 121 to change sliding into rolling, which reduces the friction between the drill body 2 and the drill body 1, slows down the loss of the drill body 1 body, and improves the use of the drill body 2 At the same time, it is convenient for the drill bit body 2 to extend and extend in the No. 1 groove 12, which improves the drilling efficiency of the drilling parts.

[0024] As a specific embodiment of the present invention, the rotating wheel 121 is made of elastic material, and a group of No. 1 chambers 122 are uniformly arranged on the rotating wheel 121; The chip hole 21 is cleaned; the present invention, through this design, on the one hand, utilizes the gas produced by the No. 1 chamber 122 on the rotating wheel 121, avoiding the waste of gas resources, thereb...

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Abstract

The invention belongs to the technical field of drill bits, and is specifically a drill bit; it includes a drill body, a drill body, a positioning block and an adjustment unit; a cavity is provided inside the drill body, and a No. 1 groove is provided on the side wall of the drill body; the drill body The number of drill bodies is at least two, and the drill bodies are respectively located in the No. 1 groove. In the initial state, one ends of the two drill bodies contact each other to form a drilling portion, and the other ends of the two drill bodies are fixedly connected to the side wall of the No. 1 groove by springs; The positioning block is a T-shaped block, one end of which is a tip, and the positioning block is located in the cavity, and the positioning block is installed through the adjustment unit; the adjustment unit includes the No. 1 wheel, the belt, the No. 1 rope, the block and the block; The invention has a simple structure, and utilizes the mutual cooperation between the adjustment unit and the positioning block to make the positioning block fall naturally, and the tip of the positioning block hits the drilling piece, leaving a positioning hole on the drilling piece, shortening the drilling time of the drilling piece. Hole time, improve the drilling efficiency of drilling parts.

Description

technical field [0001] The invention belongs to the technical field of drill bits, in particular to a drill bit. Background technique [0002] The structural connection of the existing mechanical drill bit is relatively simple. Usually, the drill bit and the drill pipe are threaded and connected without other connecting equipment. If the installation is not firm, it is easy to cause safety accidents, and its position cannot be well positioned after installation. , resulting in low verticality. If the verticality between the drill and the drill pipe is not high, the drill bit is easy to bend when drilling; at the same time, it is impossible to drill a stepped hole. For those who need to drill a stepped hole As far as drilling parts are concerned, it takes a lot of processes to complete, which affects the drilling efficiency and makes the drill bit limited. Contents of the invention [0003] In order to make up for the deficiencies of the prior art and solve the problems de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B51/00B23B49/00B23B51/06
CPCB23B51/00B23B47/34B23B51/009
Inventor 王文昭王晓勇沈恒祥
Owner SHENGLI OIL FIELD SHENGHUI OIL TECH DEV
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