Multifunctional vertical shaft core drilling rig

Abstract

The invention relates to a multifunctional vertical shaft core drilling rig which comprises a vertical shaft core drilling rig body, wherein a rotary table is fixed on the front part of a base of the vertical shaft core drilling rig, a rotary table bushing is arranged in a center drilling rig hole of the rotary table, a reducing mechanism fixedly connected with the rotary table is arranged behind the rotary table, the reducing mechanism comprises a vertically arranged input shaft, wherein a gear sleeve is sleeved on the input shaft, the gear sleeve is connected with a big gear of the rotary table through an intermediate drive gear, a universal coupling is arranged at the upper end of the input shaft, and a vertical shaft clamping sleeve matched with the vertical shaft of the core drilling rig is fixed above the universal coupling. By using the rotary table arranged at the front part of the vertical shaft core drilling rig, the multifunctional vertical shaft core drilling rig has the drilling functions of strong controllability, high drilling rate and high efficiency of the vertical shaft core drilling rig, and has the drilling function of big drilling torsion of a rotary table type rotary water well drilling rig, and thus the drilling capacity is greatly improved, and the cost is reduced.

Description

technical field [0001] The invention relates to geological engineering exploration equipment, in particular to a multifunctional vertical shaft core drilling machine. [0002] Background technique [0003] With the rapid development of my country's national economy, my country's geological exploration, geothermal, water wells, coalbed methane and other drilling construction industries have also maintained rapid growth for many years, and investment in exploration and development has continued to increase accordingly. Among the geological exploration equipment, the vertical shaft core drilling rig is still the absolute main force in the exploration market; while in the drilling equipment for water wells, geothermal, coal-bed methane, etc., the traditional rotary table water well drilling rig is still mainly used. In recent years, with the acceleration of the development of coalbed methane, the drilling equipment used for coalbed methane development is mainly the traditional ...

AI Technical Summary

Problems solved by technology

However, there are deficiencies when it is used for core exploration and construction. Due to its low speed, the effect of drilling with diamond and cemented carbide is relatively poor.

However, in ordinary drilling construction, hoisting and suspension drilling tools are often used for decompression drilling. Its controllability is not as good as that of the hydraulic cylinder control of the vertical shaft core drilling rig, and it is also difficult to achieve when using pressurized drilling.

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