Roller drill bit lubrication device

A technology of roller cone drilling rigs and lubricating devices, which is applied in the direction of engine lubrication, drill bits, lubricating parts, etc. It can solve the problems that the structure of the bit lubricating device is not simple and compact, increases maintenance costs, increases energy consumption, etc., and achieves a significant lubricating effect. Reduced maintenance costs and responsive action

Active Publication Date: 2016-03-02
中钢集团衡阳机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Since the lubricating device is equipped with a special motor and a delivery pump as the power source for thin oil delivery, it occupies a limited space, which makes the structure of the lubricating device for the drill bit not simple and compact, which also increases the maintenance cost and energy consumption accordingly.

Method used

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  • Roller drill bit lubrication device
  • Roller drill bit lubrication device

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Embodiment Construction

[0017] like figure 1 As shown, the bit lubricating device of the roller cone drilling rig includes a main air duct 1, one end of the main air duct 1 is connected with the main air compressor 6, and the main air compressor 6 is powered by a motor to continuously compress the air outside and transport it to In the main air duct 1, the other end of the main air duct 1 is connected with the drill pipe through related components such as the main air cover and the static ring. The thin oil is transported to the drill bit 7 through the main air pipe 1 and the through hole in the middle of the drill rod. There is a through hole on the main air duct 1, and a thin oil pipe 2 is connected in the through hole. The thin oil pipe 2 is composed of a thin oil pipe joint 21 and a thin oil pipe body 22. The thin oil pipe joint 21 is a straight pipe. It is fixed on the main air duct 1 by means of threaded connection or welding, and the included angle θ with the compressed air flow-in direction ...

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Abstract

The invention relates to a bit lubricating device of a rotary drill rig, and mainly solves the technical problem that a diluted oil transport power source and a coordinated control device are additionally arranged on the existing bit lubricating device of the rotary drill rig. The bit lubricating device of the rotary drill rig comprises a blast main and an oil diluting pipe communicated with the blast main; the other end of the oil diluting pipe is connected to an oil tank of diluted oil; the oil diluting pipe is composed of an oil diluting pipe joint and an oil diluting pipe body; the oil diluting pipe joint is a straight pipe and directly connected with the blast main, and an inclined angle of the oil diluting pipe joint and the flow direction of compressed air in the blast main is an acute angle. The lubricating device is extremely significant in lubricating effect, and sensitive to act and react; an energy source is saved and the operating cost is also reduced due to the fact that the transport power source and the coordinated control device are concealed; furthermore, the bit lubricating device is simpler and compacter in structure, and a finite space of the rig is saved. The bit lubricating device can be applied to the rotary drill rigs with various specifications.

Description

technical field [0001] The invention relates to a bit lubricating device of a roller cone drilling machine. Background technique [0002] The roller cone drilling rig is the main large-scale surface rock drilling equipment in the mine, and the cost of the drill bit is one of the key indicators of the mining consumption cost of the surface mine. Because the original design of the roller cone drilling rig is generally not equipped with a bit lubrication device, with the increase of mining tasks, the penetration rate of the roller cone drilling rig also increases, and its axial pressure is also very large, especially in difficult-to-break complex geological conditions with high hardness, difficult When perforating broken and hard-to-discharge ore rocks, the service life of the drill bit is shortened sharply, and the operating efficiency of the drilling rig is affected. [0003] The Chinese patent with the patent application number 200720174333.1 discloses a bit lubricating dev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16N7/30F16N21/00F16N23/00E21B12/00E21B10/24
Inventor 周湘衡廖晓玲
Owner 中钢集团衡阳机械有限公司
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