Low-nozzle-holder roller bit
A technology of roller cone bit and nozzle seat, which is applied in the direction of drill bit, drilling equipment, earthwork drilling and mining, etc. It can solve the problems of roller cone bit damage and other problems, and achieve the effects of fast drilling speed, resource saving, stability and safety
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[0023] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elaborated below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the examples in the implementation manners, other examples obtained by those skilled in the art without making creative efforts all belong to the protection scope of the present invention. The experimental methods in the following examples, unless otherwise specified, are conventional methods, and the materials, reagents, etc. used in the following examples, unless otherwise specified, can be obtained from commercial sources.
[0024] Example:
[0025] Such as figure 1 as well as Figure 4 As shown, a low-nozzle seat roller cone bit includes a drill pipe 1, a tooth palm 2, a roller cone 3 and a connecting seat 4. Both sides of the drill pipe 1...
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