CN101476462B - Measurement system for engineering geological drilling while drilling - Google Patents
Measurement system for engineering geological drilling while drilling Download PDFInfo
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- CN101476462B CN101476462B CN2008101543141A CN200810154314A CN101476462B CN 101476462 B CN101476462 B CN 101476462B CN 2008101543141 A CN2008101543141 A CN 2008101543141A CN 200810154314 A CN200810154314 A CN 200810154314A CN 101476462 B CN101476462 B CN 101476462B
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Abstract
The invention relates to a measuring while drilling system used for engineering geological drilling, which comprises a power machine, a driving shaft, a reduction box, a chassis, a hydraulic control box, a six-square drill stem, a machine head shell, a cross beam, a vertical shaft, a piston rod and a hydraulic cylinder, wherein the lower part of the vertical shaft is coaxially provided with a torque measuring device; the cross beam is provided with a rotation speed measuring device and a displacement measuring device; the inside of the hydraulic control box is provided with an oil pressure measuring device; the torque measuring device, the oil pressure measuring device, the rotation speed measuring device and the displacement measuring device consist of corresponding sensors and circuit boards; and each circuit board is provided with a microprocessor (CPU) and a bluetooth module. Compared with the prior engineering geological driller, a driller of the measuring system can record the dynam information in the digital mode while drilling like adopting an original position testing measure, acquires continuous, precise and correct data, realizes digital and wireless control and wireless communication, further realizes teledata communication between sites and offices and changes the prior mechanical equipment into the information-based equipment.
Description
Technical field
The invention belongs to the Reconnaissance Survey field, especially a kind of measurement-while-drilling system that is used for engineering geological drilling.
Background technology
Common engineering exploration rig has on the hydraulic cylinder feed rig the oil pressure gauge, does not have other measurement mechanisms; And be the core drill prospecting bit mostly, by geological technique personnel qualitative description core, judge the characteristic of coarse-grained soil and rock in view of the above; Cohesive soil is got the undisturbed soil sample in the hole, do soil test to indoor again; Also can do in-situ test in the hole to fine grained soil.Therefore many information relevant with ground at most can only be by boring log person's qualitative description in the drilling process, or is exactly to lose not record.
For large type drills such as oil measurement-while-drilling system is arranged, in the hole, its measuring transducer all is installed near the drill bit power set of this rig mostly, is mainly used in to measure and the relevant information of stratum oil-containing character.Its measurement-while-drilling system is very complicated, and information transmits more complicated earthward in real time, even very difficult.Home position testing method relates to static sounding and dynamic sounding, and test data is continuous, but can not observe and take core; Static sounding is not suitable for the stratum thicker than sand grains, so depth of exploration is limited, restricted application.The dynamic sounding depth of exploration generally is difficult to surpass 30 meters, and is not suitable for the rock stratum.
In addition, existing torque measurement is to be employed in to paste resistance strain gage on the torsional axis, is perhaps reversing series resistance strain-type torque sensor on the parts, guides to strain measuring instrument (or similar instrument) with cable and goes up demonstration, record.Owing to have cable, be easy to generate strand causes measuring rotatable parts around problem moment of torsion.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, providing can be with boring continuous measurement and writing down information relevant with boring geotechnical engineering character in the drilling process to realize digitized a kind of measurement-while-drilling system that is used for engineering geological drilling of drilling information.
The objective of the invention is to realize like this:
A kind of measurement-while-drilling system that is used for engineering geological drilling; Comprise engine, power transmission shaft, reduction box, chassis, hydraulic control box, hexagonal kelly, head shell, crossbeam, vertical shaft, piston rod, hydraulic cylinder; Engine, reduction box and hydraulic control box are packed on the chassis; The output transverse axis of reduction box drives the vertical shaft rotation, and hydraulic control box control hydraulic cylinder also makes its piston rod drive crossbeam displacement of leading up and down, and hydraulic cylinder is the both sides that two groups and symmetry are installed in vertical shaft; The coaxial cover of hexagonal kelly is through in the vertical shaft and by clamper and realizes that hexagonal kelly moves with the vertical of vertical shaft; It is characterized in that: the coaxial mounting torque measurement mechanism in the bottom of vertical shaft, rotation-speed measuring device and displacement measuring device are installed on moved cross beam, the oil pressure measurement mechanism is installed in hydraulic control box; Moment of torsion, oil pressure, rotating speed and displacement measuring device are formed by corresponding sensor and circuit board, and microprocessor and bluetooth module all are installed on the circuit board.
And said moment of torsion, oil pressure, rotating speed and displacement measuring device are formed by corresponding sensor, circuit board, rechargeable battery, power switch and charging jack.
And; Said torque-measuring apparatus comprises moment of torsion output, torque input end, elastic body and resistance strain gage; Moment of torsion output, elastic body and torque input end one be coaxial process and elastic body between moment of torsion output and torque input end; Wherein moment of torsion output and elastic body coaxial package one overcoat install resistance strain gage on elastic body, and circuit board and bluetooth module are installed in its external sleeve; Outer putting at corresponding bluetooth module is shaped on a bluetooth communication hole, and a rechargeable battery also is installed in its external sleeve.
And said torque-measuring apparatus overcoat is a steel, and it is one nonmetal like nylon or plastics shutoff that its bluetooth communication hole is equipped with.
Advantage of the present invention and good effect are:
1. the rig of this measuring system is installed to be compared with existing engineering geological drilling rig; Can information relevant with geotechnical engineering character in the drilling process be recorded with marking; Be equivalent to in-situ testing method, and data continuously, accurately, accurately digitlization and controlled in wireless and wireless telecommunications have been realized; And then realized the remote data communication of on-the-spot and office, evolved to information-based equipment by existing mechanical equipment.
2. the rig of this measuring system is installed is compared, realized microminiaturization with existing oil-well rig.Said system is installed does not increase rig size and volume, almost do not change the appearance of original rig.Digitized measurement system gross weight does not almost change the weight of original rig less than 500 grams; All devices all more than ground, do not need strict withstand voltage and waterproof measure, realize easily, and are stable and reliable for performance, and realized real-time demonstration, the storage of data simultaneously, and visual degree is high, helps real-time monitoring.
3. oil pressure measurement, tachometric survey, displacement measurement and the torque measurement among the present invention compared with prior art; Can write down the information that sensor receives; And analog signal conversion become data signal; Data signal is had with the wireless mode scene of being sent to receive on the instrument of blue-tooth device through bluetooth then to show and record, have volume little, move flexibly, the characteristics of convenient measurement.
Description of drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is a torque dynamometer profile sketch map;
Fig. 4 is the cross-sectional view of Fig. 3.
The specific embodiment
Be described in detail embodiments of the invention below in conjunction with accompanying drawing; Need to prove that present embodiment is narrative, is not determinate, can not limit protection scope of the present invention with this.
A kind of measurement-while-drilling system that is used for engineering geological drilling is made up of engine 15, power transmission shaft 16, reduction box 8, chassis 12, hydraulic control box 13, hexagonal kelly 1, head shell 9, crossbeam 4, vertical shaft 6, piston rod 7, hydraulic cylinder 10 and torque-measuring apparatus 11, oil pressure measurement mechanism 14, rotation-speed measuring device 3, displacement measuring device 5.Engine, reduction box and hydraulic control box are packed on the chassis; The output transverse axis of reduction box drives the vertical shaft rotation through bevel gear; Hydraulic control box control hydraulic cylinder also makes its piston rod drive crossbeam displacement of leading up and down, and hydraulic cylinder is the both sides that two groups and symmetry are installed in vertical shaft, and the coaxial cover of hexagonal kelly is through in the vertical shaft and by clamper 2 and realizes that hexagonal kellies move with the vertical of vertical shaft; More than be prior art, therefore do not have complete label and show its structure.Innovative point of the present invention is: the coaxial mounting torque measurement mechanism in the bottom of vertical shaft, rotation-speed measuring device and displacement measuring device are installed in the groove of crossbeam bottom surface, and the oil pressure measurement mechanism is installed in hydraulic control box.Microprocessor (CPU) and bluetooth module all are installed on the circuit board of oil pressure measurement mechanism, rotation-speed measuring device, displacement measuring device and torque-measuring apparatus that native system is installed; To realize that analog signal conversion is become data signal, this data signal sends on-the-spot unlimited receiving system to by bluetooth again and shows and storage.
Need to prove that the circuit board of four measuring device and the microprocessor of being installed (CPU) and bluetooth module are current techique, therefore do not provide circuit and constitute; Oil pressure sensor, speed probe and displacement transducer are prior art; It is the commercially available prod; Its installation site is set as required, be installed in the oil circuit like oil pressure sensor to get final product, but speed probe and displacement transducer is installed in the measuring position of crossbeam; Be mounted in the crossbeam bottom surface in the present embodiment, the coaxial vertical shaft bottom that is installed in of torque-measuring apparatus.Be that example is specifically narrated below with the torque-measuring apparatus:
Torque-measuring apparatus is made up of moment of torsion output 17, torque input end 20, overcoat 19 and circuit board 26, bluetooth module 23, rechargeable battery 28, resistance strain gage 25, elastic body 27 etc.; The moment of torsion output is packed on the load, and torque input end is packed on the rig power.Moment of torsion output, elastic body and the torque input end one is coaxial processes, elastic body is between moment of torsion output and torque input end, and the overcoat coaxial package is on moment of torsion output and elastic body, and this overcoat is a steel.On elastic body, install (generally adopting bonding method) elastic strain when resistance strain gage reverses with measurement; Circuit board and bluetooth module are installed in its external sleeve; Circuit board and bluetooth module are installed in the interior moment of torsion output of overcoat and the optional position of torque input end, and circuit board and bluetooth module are installed on the torque input end in the overcoat in the present embodiment accompanying drawing.Outer putting at corresponding bluetooth module is shaped on a bluetooth communication hole 18, and rechargeable battery also is installed in its external sleeve.For avoiding the circuit part in the overcoat to receive outside contamination and normal communication, this bluetooth communication hole is adopted and is nonmetally sealed like plastics or nylon shutoff 24.
This device is employed in the mode that rechargeable battery is installed in the overcoat and supplies power, and makes the charging jack 21 and the power switch 22 of this rechargeable battery on the coat.
The operating principle of torque-measuring apparatus is: mounting torque measurement mechanism between rig vertical shaft and hexagonal kelly; Adopt the resistance strain measurement mode; Metrical information is by the miniature electronic measurement device; And analog signal conversion become data signal, data signal sends on-the-spot unlimited receiving system to by bluetooth again and shows and storage.
The oil pressure measurement mechanism is installed on the oil circuit of hydraulic control box, and the sensor of this device is a resistance-strain type, the same torque dynamometer of the implementation of its function.
Rotation-speed measuring device is installed on crossbeam, and its sensor is a magnetoelectric tachometric transducer, and this sensor is to use with gear matched originally, and this device has saved gear, but utilizes axial keyway made in the rotating shaft.Produce pulse signal when keyway is through magnetoelectric transducer during rotation, signal is sent on the register instrument through bluetooth after microprocessor (CPU) is handled.
Displacement measuring device has been installed on crossbeam, and the sensor of this device is an infrared ray sensor, the sensor emission infrared rays; Infrared reflection returns to be received by sensor when running into duck, and in the 0.07m-1.2m scope, acknowledge(ment) signal weakens with the increase of target to sensor distance; Therefore judge distance according to the power of acknowledge(ment) signal; Analog signal conversion is become data signal, pass the signal on the register instrument through bluetooth then, and signal is converted into the distance that head moves.
In addition, 4 parameter moments of torsion that drilling process is relevant with geotechnical property, the pressure of the drill, rotating speed and distance are gathered, are write down and show by certain time interval through recorder and control device.Register instrument adopts smart mobile phone (Pocket PC) as palmtop, and palmtop can be sent instruction to 4 measurement mechanisms in the work, and the work of 4 measurement mechanisms of control can be provided with the measurement sampling time interval.Other qualitative informations in the probing; As: test, core description etc. all can be recorded in the palmtop in bite type and specification, flushing liquor, sampling, the hole; Palmtop becomes the data recorder of probing daily record; Above-mentioned recording process can be worked with measurement-while-drilling system simultaneously, and recording process can not influence the normal reception and the storage of 4 measurement mechanism data.
Above-mentioned distance-measuring device can be measured the relative position of head, can obtain rate of penetration with the difference of facing 2 range data mutually divided by its sampling time interval.Rate of penetration is one and the closely-related parameter of geotechnical property.
When creeping into downwards, the oil pressure measurement mechanism has obtained the pressure of the drill of head position, and when head upwards promoted together with drilling tool, oil pressure had reflected the drilling tool gross weight, and through demarcating, available drilling tool gross weight obtains the drilling tool length overall.Pressure of the hole in the bottom equals to measure the oil pressure data and adds the drilling tool gross weight when creeping into downwards.
Information in the drilling process is stored in (smart mobile phone) in the palmtop with file mode, and palmtop has functionality mobile communication, can realize the teletransmission of drilling data through the mode that sends e-mails.
Claims (4)
1. measurement-while-drilling system that is used for engineering geological drilling; Comprise engine, power transmission shaft, reduction box, chassis, hydraulic control box, hexagonal kelly, head shell, crossbeam, vertical shaft, piston rod, hydraulic cylinder; Engine, reduction box and hydraulic control box are packed on the chassis; The output transverse axis of reduction box drives the vertical shaft rotation, and hydraulic control box control hydraulic cylinder also makes its piston rod drive crossbeam displacement of leading up and down, and hydraulic cylinder is the both sides that two groups and symmetry are installed in vertical shaft; The coaxial cover of hexagonal kelly is through in the vertical shaft and by clamper and realizes that hexagonal kelly moves with the vertical of vertical shaft; It is characterized in that: the coaxial mounting torque measurement mechanism in the bottom of vertical shaft, rotation-speed measuring device and displacement measuring device are installed on moved cross beam, the oil pressure measurement mechanism is installed in hydraulic control box; Moment of torsion, oil pressure, rotating speed and displacement measuring device are formed by corresponding sensor and circuit board, and microprocessor and bluetooth module all are installed on the circuit board.
2. a kind of measurement-while-drilling system that is used for engineering geological drilling according to claim 1 is characterized in that: said moment of torsion, oil pressure, rotating speed and displacement measuring device are formed by corresponding sensor, circuit board, rechargeable battery, power switch and charging jack.
3. a kind of measurement-while-drilling system that is used for engineering geological drilling according to claim 2; It is characterized in that: said torque-measuring apparatus comprises moment of torsion output, torque input end, elastic body and resistance strain gage; Moment of torsion output, elastic body and torque input end one be coaxial process and elastic body between moment of torsion output and torque input end; Wherein moment of torsion output and elastic body coaxial package one overcoat install resistance strain gage on elastic body, and circuit board and bluetooth module are installed in its external sleeve; Outer putting at corresponding bluetooth module is shaped on a bluetooth communication hole, and a rechargeable battery also is installed in its external sleeve.
4. a kind of measurement-while-drilling system that is used for engineering geological drilling according to claim 3 is characterized in that: said torque-measuring apparatus overcoat is a steel, and its bluetooth communication hole is equipped with nylon or plastics shutoff.
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| CN2008101543141A CN101476462B (en) | 2008-12-22 | 2008-12-22 | Measurement system for engineering geological drilling while drilling |
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| CN2008101543141A CN101476462B (en) | 2008-12-22 | 2008-12-22 | Measurement system for engineering geological drilling while drilling |
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| CN101476462B true CN101476462B (en) | 2012-05-30 |
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| CN102562035B (en) * | 2012-01-12 | 2015-09-30 | 中国海洋石油总公司 | Underground engineering parameter measurement-while-drilling device |
| WO2015021550A1 (en) | 2013-08-13 | 2015-02-19 | Evolution Engineering Inc. | Downhole probe assembly with bluetooth device |
| CN106639875B (en) * | 2015-10-30 | 2018-11-16 | 中石化石油工程技术服务有限公司 | A kind of rotary steering measurement and control system experiment device |
| CN105401880B (en) * | 2015-12-14 | 2018-12-11 | 盐城吉大智能终端产业研究院有限公司 | Can remote control dig a hole mine brill |
| CN105509877A (en) * | 2015-12-22 | 2016-04-20 | 山东陆海石油技术股份有限公司 | Screw drilling tool vibration recorder and vibration recording method thereof |
| CN109781340B (en) * | 2019-01-22 | 2020-07-28 | 西南石油大学 | Bit pressure and torque calibration test device and calibration method |
| CN110593848A (en) * | 2019-10-29 | 2019-12-20 | 中国铁路设计集团有限公司 | In-situ measurement system of engineering geological exploration drilling machine |
| CN113514361B (en) * | 2021-05-27 | 2022-08-26 | 中国矿业大学 | Micro-drill calibration system and method for testing mechanical properties while drilling |
| CN114165212B (en) * | 2021-11-26 | 2023-09-15 | 中国地质科学院勘探技术研究所 | Drilling parameter acquisition test device for small-caliber core drilling |
| CN114198014A (en) * | 2021-12-06 | 2022-03-18 | 北京信息科技大学 | Torsion impactor with working state self-monitoring function |
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Address after: 300142 Hebei District, Zhongshan Road, No. 10, Patentee after: China Railway Design Group Limited Address before: 300142 Hebei District, Zhongshan Road, No. 10, Patentee before: China Railway Third Survey and Design Institute Group Ltd. |
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