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Multi-shaft rotary drilling equipment while-drilling inclinometry device

A technology of inclination measurement and equipment while drilling, which is applied in the direction of drilling equipment, drilling equipment and methods, and measurement, and can solve the problems of low engineering construction quality, poor measurement accuracy of pile verticality, and poor pile verticality. Achieve the effect of ensuring the verticality of the pile and the quality of the project construction

Pending Publication Date: 2021-10-29
北京航天地基工程有限责任公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a multi-axis rotary drilling equipment inclinometer while drilling device to solve the problems of poor measurement accuracy of pile verticality, poor pile verticality and low engineering construction quality in the existing inclinometer while drilling technology The problem

Method used

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  • Multi-shaft rotary drilling equipment while-drilling inclinometry device
  • Multi-shaft rotary drilling equipment while-drilling inclinometry device
  • Multi-shaft rotary drilling equipment while-drilling inclinometry device

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Experimental program
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Effect test

Embodiment 1

[0058] Such as Figure 1 to Figure 4 As shown, the multi-axis rotary drilling equipment provided by the present invention provided by the present invention includes: a traveling mechanism 8, a column 6, a drill pipe 3, a guide sleeve 11, and a reading instrument 18; the column 6 is arranged on On the traveling mechanism 8, a bottom guide frame 2 is provided on the column 6; one end of the drill rod 3 is connected to the column 6, and the other end of the drill rod 3 is installed on the bottom guide frame 2, and the drill rod 3 passes through the bottom guide frame 2 and the drill bit 1 Connection; the guide sleeve 11 is arranged on the drill pipe 3 through the guide sleeve seat 12, and a sensor is arranged in the guide sleeve 11; the reading instrument 18 can display the signal detected by the sensor.

[0059] Specifically, the guide sleeve 11 is provided on the guide sleeve seat 12 . The guide sleeve seat 12 is matched with the guide sleeve 11 in clearance, and the drill pip...

Embodiment 2

[0078] This embodiment is an inclinometer-while-drilling device for multi-axis rotary drilling equipment, which can realize quick disassembly and assembly of the inclinometer-while-drilling device for multi-axis rotary drilling equipment. Such as Figure 8 , Figure 9 , Figure 10 , Figure 11 As shown, the upper end of the sensor cavity 15 communicates with the outside world, the lower end is closed, and its cross-section is non-circular, so as to facilitate the fast disassembly and assembly of the inclinometer sensor while drilling and related accessories. The quick disassembly assembly consists of a circular tube 19, a rib The plate 20 is formed, the rib plate 20 is welded on the circular tube 19, and the sensor is built in the circular tube. The sensors include an inclination measuring sensor 16 and / or an azimuth measuring sensor. There is a hole on the quick disassembly assembly for matching the positioning screw 21. The cross section of the outer contour of the quick...

Embodiment 3

[0081] Since the measurement results of the measurement device relying on a single measurement method are somewhat unstable, this embodiment is an embodiment including a device for checking the measurement results to increase the stability and accuracy of the measurement results.

[0082] Such as Figure 12 to Figure 16 As shown, the rigid rod 113 is arranged inside the drill rod 3 , and a sensor for monitoring the inclination of the drill rod 3 is arranged inside the rigid rod 113 , and the drill rod 3 is rotatably sleeved outside the rigid rod 113 . Rigid bar 113 is connected on the upright column 6, and makes drill rod 3 upper center and rigid bar 113 upper center overlap.

[0083] Setting the rigid rod 113 can overcome the influence of the rotation of the drill rod 3 on the tilt measurement, accurately measure the verticality of the borehole, and take corrective measures to ensure that the verticality meets the engineering requirements.

[0084] The inclinometer while dri...

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Abstract

The invention provides a multi-shaft rotary drilling equipment while-drilling inclinometry device. The multi-shaft rotary drilling equipment while-drilling inclinometry device comprises a walking mechanism, a stand column, a drill rod, a guide sleeve and a reading instrument. The stand column is arranged on the walking mechanism and provided with a bottom guide frame; one end of the drill rod is connected with the stand column, and the other end of the drill rod penetrates through the bottom guide frame and is connected with a drill bit; the guide sleeve is arranged on the drill rod through a guide sleeve seat, and a sensor is arranged in the guide sleeve; and the reading instrument can display signals detected by the sensor. According to the scheme of the multi-shaft rotary drilling equipment while-drilling inclinometry device, the pile-forming perpendicularity can be detected through the guide sleeve, the measurement precision is good, the inclination degree can be corrected at any time, and the pile-forming perpendicularity and the engineering construction quality are guaranteed.

Description

technical field [0001] The invention relates to the technical field of engineering construction, in particular to an inclinometer-while-drilling device for multi-axis rotary drilling equipment. Background technique [0002] Multi-axis rotary drilling equipment is widely used in the field of construction engineering, and can serve in foundation treatment, water-stop curtain and foundation pit support projects. High verticality pile body is the premise to ensure the construction quality, and the drilling and pile foundation engineering with poor verticality will cause serious economic losses and even threaten the safety of the project. [0003] At this stage, a large number of multi-axis rotary drilling equipment is not equipped with corresponding drilling verticality control devices, and some equipment uses equipment or methods such as line sag, visual inspection, theodolite, and laser range finder to monitor the verticality of drilling holes. The above control methods all h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/024E21B7/00
CPCE21B47/024E21B7/002
Inventor 梁涛关岩鹏刘晓丽马世敏郭晓光张辉赵晓东张冬辉
Owner 北京航天地基工程有限责任公司
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