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Gas-containing coal layer drilling bit temperature detection system and detection method thereof

A detection system and drill bit technology, applied to thermometers, thermometer parts, measurement, etc., can solve the problem of not being able to detect the temperature of the drill bit in real time

Inactive Publication Date: 2020-02-14
HENAN POLYTECHNIC UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to provide a gas-containing coal seam drilling drill bit temperature detection system and its detection method to solve the problem that conventional hydraulic drilling rigs cannot detect the drill bit temperature in real time

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  • Gas-containing coal layer drilling bit temperature detection system and detection method thereof
  • Gas-containing coal layer drilling bit temperature detection system and detection method thereof
  • Gas-containing coal layer drilling bit temperature detection system and detection method thereof

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Embodiment Construction

[0021] Such as Figure 1 ~ Figure 3 As shown, the gas-containing coal seam drilling bit temperature detection system of the present invention includes a signal receiving device 1, a communication drill pipe 2, and a detection drill bit 3. The signal receiving device 1 is connected to the communication drill pipe 2 for receiving the detection drill bit during the drilling process. 3; the communication drill pipe 2 is connected to the detection drill 3 for transmitting the temperature data detected by the detection drill 3; the detection drill 3 has a built-in temperature sensor 35 for detecting the temperature of the detection drill.

[0022] Such as figure 2 , the communication drill pipe 2 includes a drill pipe 8, a box inner support 5, a box line connector 6, a cable 7, a male button line connector 9, and a male button inner support 10; Figure 4 As shown, the inner support 5 of the female buckle and the inner support 10 of the male buckle have the same structure, and are ...

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Abstract

The invention discloses a gas-containing coal layer drilling bit temperature detection system and a detection method thereof. The gas-containing coal layer drilling bit temperature detection system comprises a signal receiving device, a communication drill rod and a detection drill bit, wherein the signal receiving device is connected with the communication drill rod, and used for detecting temperature data of the detection drill bit in the drilling process, the communication drill rod is connected with the detection drill bit, and used for transmitting the temperature data detected on the detection drill bit, and a temperature sensor is arranged in the detection drill bit, and used for detecting temperature of the detection drill bit. The gas-containing coal layer drilling bit temperaturedetection system and the detection method thereof realize real-time detection for the temperature of the drill bit, meanwhile can further explore an influence law of the drilling depth, the rotatingspeed and the drilling speed for the temperature of the drill bit, and facilitate achievement of safe drilling.

Description

technical field [0001] The invention belongs to the technical field of mine safety, and in particular relates to a gas-containing coal seam drilling bit temperature detection system and a detection method thereof. Background technique [0002] During the mining process of gas-containing coal seams, a large number of boreholes will be constructed. During the drilling process, affected by factors such as ground stress, gas pressure, and drill pipe disturbance, the deformation of the hole wall is large, and the hole is easily unstable and collapsed locally. After the borehole is blocked, The failure of the slag discharge system will easily cause the friction between the drill bit and the front coal wall to generate high temperature; the underground gas drainage drilling in coal mines in my country mainly relies on conventional hydraulic drilling rigs, which are mainly operated manually, and the existing conditions cannot observe the drilling process The temperature change of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/07E21B47/12G01K1/02
CPCE21B47/12G01K1/024
Inventor 王永龙刘春王振锋余在江宋维宾
Owner HENAN POLYTECHNIC UNIV
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