Starting process of pilot shaft type vertical shaft heading machine

Abstract

The invention discloses a starting process of a pilot shaft type vertical shaft heading machine. The starting process of the pilot shaft type vertical shaft heading machine comprises two steps of preparation work before the vertical shaft heading machine enters a shaft and starting work of the vertical shaft heading machine, wherein the preparation work before the vertical shaft heading machine enters the shaft is carried out before the starting work of the vertical shaft heading machine; the preparation work before the vertical shaft heading machine enters the shaft comprises the following steps: step A, a directional guide hole is formed; step B, a primary pilot shaft is excavated in an expanding mode; step C, a drilling machine is dismantled; step D, a secondary pilot shaft is excavated and supported; and step E, the vertical shaft heading machine is assembled and debugged on the ground. On the basis of researching and developing the first vertical shaft heading machine with the heading diameter of 5.8 m in China, the applicant creatively invents the starting process of the vertical shaft heading machine, not only the vertical shaft heading machine with the heading diameter of 5.8 m is manufactured, but also on-site heading test is carried out on the basis, the starting process of the vertical shaft heading machine with huge size and weight is originally provided, and a foundation is laid for development and research for the vertical shaft heading machine with the larger diameter.

Description

technical field [0001] The invention relates to the technical field of shaft drilling technology. Specifically, it is the starting process of the pilot shaft type shaft boring machine. Background technique [0002] In the prior art, the existing rock formation mine construction projects mostly adopt the common method of sinking construction, requiring the staff to go down to the narrow and small excavation working face with a depth of several hundred meters, and use drilling rigs to drill blast holes, pack explosives, and work on the working face. Blasting, lifting the rocks broken by blasting to the ground through buckets, draining the working face, and then performing support and other operations. The level of mechanization is low, the labor input is high, the working environment is difficult, the safety conditions are poor, accidents occur frequently, and the blasting disturbs the surrounding rock greatly, the stress of the original rock changes greatly, and the support ...

AI Technical Summary

Problems solved by technology

The construction technology has the advantages of low labor intensity, good well quality, fast speed, high work efficiency and reliable protection of personal safety.

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