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Rotary drilling rig

A technology of rotary drilling rig and drill pipe, which is applied in the directions of rotary drilling rig, rotary drilling, drill pipe, etc., can solve the problems of not being able to meet the actual needs of engineering drilling, difficult to guarantee the accuracy of verticality, affecting the quality of the project, etc. Achieve the effect of simple structure, high control precision and large working range

Inactive Publication Date: 2012-07-25
李新桥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The axial static pressure generated by this structure is small, and in many cases, it cannot meet the actual needs of engineering drilling; in addition, the verticality accuracy is difficult to guarantee, which affects the quality of the project

Method used

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  • Rotary drilling rig
  • Rotary drilling rig
  • Rotary drilling rig

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Embodiment Construction

[0013] The present invention will be further elaborated below in conjunction with accompanying drawing and specific embodiment.

[0014] refer to Figure 1-3 , this embodiment includes a drill rod 6, a guide column 7, and a guide plate 3. A drill bit 10 is installed on the front end of the drill rod 6, and one end of the guide column 7 is fixed on a fixed base 11, and a screw mandrel 2 and a screw mandrel fixing plate 1 are also provided. , screw drive motor 8, screw gearbox 9, said screw fixing plate 1 is provided with screw positioning hole 12 and guide column positioning hole 13, said guide plate 3 is provided with screw driving hole 3-1 And the guide hole 3-2, the other end of the guide column 7 passes through the guide hole 3-2 on the guide plate 3 and the corresponding guide column positioning hole 13 on the screw fixing plate 1, and is fixedly connected with the screw fixing plate 1 by a nut; One end of the screw mandrel 2 passes through the screw mandrel driving hole ...

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Abstract

The invention discloses a rotary drilling rig which comprises a drill rod, a drill rod guide pole, a guide plate, a silk pole, a silk pole fixing plate, a silk pole drive motor and a silk pole gearbox, wherein the drill rod is connected with a drill rod drive motor, a bit is installed at the front end of the drill rod, one end of the guide pole is fixed on a base, one end of the silk pole penetrates through a silk pole drive hole of the guide plate and a silk pole locating hole arranged on the silk pole fixing plate and is fixed through a rolling bearing, the other end of the silk pole is connected with the silk pole gearbox fixed on a fixed base, the silk pole drive motor is installed on the silk pole gearbox, and the drill rod is connected with the drill rod drive motor through a drill rod gearbox. The invention has the advantages of simple structure, high verticality control accuracy and large work range and can provide larger stable axial static pressure.

Description

technical field [0001] The invention relates to a rotary drilling machine. Background technique [0002] Rotary drilling rig is a common drilling and grouting construction machine in the field of modern construction. It is mainly used to drill holes below the ground, especially for deep engineering pile holes with high verticality requirements. However, the drill pipe of the traditional rotary drilling rig relies on the power head, the support at the rear end of the mast, the wire rope and the matching hoist to realize the back and forth movement of the drill pipe and the drill bit, and realizes the drilling process by means of the self-weight of the drill pipe and the drill bit. Axial static pressure. The axial static pressure generated by this structure is small, and in many cases, it cannot meet the actual needs of engineering drilling; in addition, the verticality accuracy is difficult to guarantee, which affects the quality of the project. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B3/02E21B17/10
Inventor 曾广胜李新桥鲁纪鸣江太君许超徐成刘跃军姜炎炼
Owner 李新桥
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