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Probe mounting structure of non-excavation pilot drill

An installation structure and steerable drilling technology, applied in directional drilling and other directions, can solve the problems of unreliable positioning and inconvenient installation of probe rods, and achieve the effects of simple structure, convenient installation and easy realization.

Inactive Publication Date: 2015-01-07
WUXI DOUBLE HORSE DRILLING TOOLS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to address the above problems and provide a probe mounting structure for a non-excavation pilot drill to solve the problems of inconvenient installation and unreliable positioning of the probes of the existing trenchless pilot drill

Method used

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  • Probe mounting structure of non-excavation pilot drill
  • Probe mounting structure of non-excavation pilot drill

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Embodiment Construction

[0016] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods. It should be understood that the embodiments described here are only used to explain the present invention, but not to limit the present invention.

[0017] Please refer to figure 1 and figure 2 as shown, figure 1 It is a schematic diagram of a probe mounting structure for a non-excavation pilot drill of the present invention; figure 2 for figure 1 The enlarged view at A of the probe installation structure of the non-excavation pilot drill.

[0018] In this embodiment, a probe installation structure of a non-excavation guide drill includes a guide plate 1 and a guide drill 2. The guide drill 2 is provided with a probe chamber along the axial direction, and the probe chamber is provided with Probe 3, the left end of the probe bin is provided with a positioning block 4 for positioning the probe 3...

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Abstract

The invention discloses a probe mounting structure of a non-excavation pilot drill. The probe mounting structure of the non-excavation pilot drill comprises a pilot plate and a pilot drill body; a probe bin is axially formed in the pilot drill body; a probe is arranged in the probe bin; a positioning block for positioning the probe is arranged at the front end of the probe bin, and while a bulkhead is connected to the rear end of the probe bin through threads; the front end of the probe is arranged against the positioning block, and while the rear end of the probe is arranged against the bulkhead. According to the probe mounting structure of the non-excavation pilot drill, the probe is positioned in the radial direction through the positioning block, and the bulkhead in threaded connection with the pilot drill body is adopted to realize axial positioning; the probe mounting structure is convenient to mount; whether the probe is accurately mounted and positioned can be clearly and accurately determined according to the distance from the bulkhead to the end surface of the pilot drill body during mounting; the probe mounting structure is simple in structure and easy to be implemented.

Description

technical field [0001] The invention relates to a non-excavation pilot drill, in particular to a probe installation structure of the non-excavation pilot drill. Background technique [0002] With the rapid development of China's economy, the country's investment in infrastructure construction has increased. Trenchless drilling tools play an irreplaceable role in foundation engineering. An indispensable and important part of drilling tools. [0003] At present, the probe rods in the probe rod chambers of the non-excavation directional drills on the market usually have dual axial and radial positioning, and are pre-loaded by springs. However, due to the elasticity of the springs, the probe rods are axially Displacement is easy to occur, and if there is a large vibration and impact during the construction process, the radial positioning of the probe is easy to disengage, which makes the positioning invalid. In addition, because the spring is installed in the spring chamber, th...

Claims

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Application Information

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IPC IPC(8): E21B7/04
CPCE21B7/04
Inventor 鲍洪锋周洪洋王加明
Owner WUXI DOUBLE HORSE DRILLING TOOLS