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Drilling tool and piling machinery

A technology for drilling tools and drill bits, which is applied in the directions of drilling tools, drill bits, drill pipes, etc., can solve the problems of loss of cutting area and shortage, and achieve the effect of prolonging service life, reducing damage and reducing cost.

Active Publication Date: 2012-07-18
BEIJING SANY HEAVY MASCH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a new drilling tool, which can solve the problem of the loss of the drill teeth due to the cut drill slag and the insufficient cutting area of ​​the drill teeth on the native rock surface during the coring circumcision process. , improve the drilling efficiency and drilling quality of drilling tools, and can also adapt to larger drilling depths and harder formations, improving the drilling efficiency and drilling quality of drilling tools

Method used

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  • Drilling tool and piling machinery
  • Drilling tool and piling machinery
  • Drilling tool and piling machinery

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Embodiment Construction

[0030] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0031] In the following description, many specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, therefore, the present invention is not limited to the specific embodiments disclosed below limit.

[0032] figure 1 It is a three-dimensional schematic diagram of an embodiment of the drilling tool according to the present invention; figure 2 yes figure 1 Schematic diagram of the front view of the drill tool shown; image 3 yes figure 1 Schematic sectional view of the drill tool shown; Figure 4 yes figure 1 The shown diagram shows the gas flow inside the drilling tool with the outer cylinder...

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Abstract

The invention provides a drilling tool, comprising a drill bit and a swing mechanism which is used for driving the drill bit to rotate; and the drilling tool also comprises a slag removal mechanism which is arranged in the drill bit and capable of collecting broken slag generated during the drilling of the drill bit. The invention also provides piling machinery comprising the drilling tool. As the slag removal mechanism is arranged on the drill bit, the drilling slag generated during the drilling of the drill bit can be collected, the cutting area of native rock surface is increased, and the drilling efficiency is improved; and at the same time, through a suspension sling and a weight, the drilling requirement of deeper and harder stratums can be met, the damage caused by vibration to the machine can be effectively decreased, and the service life of the machine and the drilling tool can be prolonged.

Description

technical field [0001] The present invention relates to the field of machinery, in particular to a drilling tool, in particular to a drilling tool with a slag removal function, and a piling machine including the slag removal function of the drilling tool. Background technique [0002] With the vigorous construction of infrastructure such as highways and high-speed railways in our country, construction machinery including drilling rigs has been rapidly developed and widely used. However, conventional drilling methods rely on rigid drill pipes to transmit torque and provide pressure. Due to the limited length of drill pipes, the length of drill pipes cannot meet the requirements when drilling deep In some cases, the drilling rig is slow in footage and is in a state of vibration for a long time, which will cause a large loss to the whole drilling rig. And such a conventional coring method has a disadvantage, because during the process of coring and cutting into an annular groo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B10/02E21B12/06E21B19/02E21B4/02E21B12/00
Inventor 水俊峰冯建伟
Owner BEIJING SANY HEAVY MASCH CO LTD
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