CN203050505U - Guide drilling device with multiple groups of pre-buried sensors adopted - Google Patents
Guide drilling device with multiple groups of pre-buried sensors adopted Download PDFInfo
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- CN203050505U CN203050505U CN 201320065095 CN201320065095U CN203050505U CN 203050505 U CN203050505 U CN 203050505U CN 201320065095 CN201320065095 CN 201320065095 CN 201320065095 U CN201320065095 U CN 201320065095U CN 203050505 U CN203050505 U CN 203050505U
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Abstract
A guide drilling device with multiple groups of pre-buried sensors adopted comprises a drilling machine and a guiding instrument, wherein a signal generator is installed in the drill bit of the drilling machine, and a tilt angle sensor is arranged inside the signal generator. The guide drilling device with the multiple groups of pre-buried sensors adopted further comprises at least one sensor placing pipe pre-buried in a tunnel outline, and a group of signal sensors arranged in the sensor placing pipe at intervals in the axial direction, the signal sensors are connected with the guiding instrument through a signal line, and a signal sensor coil capable of sensing field intensity of signals sent by the signal generator is arranged on the signal sensor. The guide drilling device with the multiple groups of pre-buried sensors adopted can determine the position of the drill bit by measuring the field intensity of the signals and has the advantages of being long in guiding distance and high in guiding accuracy.
Description
Technical field
The utility model relates to a kind of pilot hole device that is applied in the drilling construction.
Background technology
General orientation boring (directional drilling) method that adopts at present is: use the wedge drill bit, special obliquity sensor (also being alignment sensor) is housed in the drill bit, obliquity sensor passes through the outer guide instrument of wired or wireless connecting hole, parameters such as the inclination angle of guide instrument demonstration drill bit, tool angle.In the drilling process, adjust drilling direction if desired, can earlier the big inclined-plane of drill bit clapboard be rotated to the opposite of tuning target direction, the not direct jacking of rotary drill rod then, the stressed resultant direction in the big inclined-plane of drill bit clapboard is the tuning target direction, and bit course moves to target direction.That summarizes says, be exactly general orientation boring be by adjust the drill bit clapboard that links to each other with drilling rod towards with the stressed drilling direction of controlling, the drilling trace that makes drill bit is near planned course.But this pilot hole (directional drilling) method guiding distance is shorter, and guiding accuracy is lower.
The utility model content
The purpose of this utility model provides a kind of pilot hole device that adopts pre-buried many group sensors, solve traditional pilot hole device guiding apart from weak point, technical problem that guiding accuracy is low.
For achieving the above object, the utility model adopts following technical scheme: a kind of pilot hole device that adopts pre-buried many group sensors, include rig and guide instrument, in the drill bit of described rig signal generator is housed, signal generator is built-in with obliquity sensor, it is characterized in that: comprise that also at least one sensor that is embedded in the tunnel contour lay pipe and axially spaced-apart and be arranged on sensor and lay one group of signal transducer in the pipe, described signal transducer links to each other with guide instrument by holding wire, and signal transducer is provided with the signal transducer coil of the field intensity size that can sense the signal that signal generator sends.
Can be embedded with two sensors in the described tunnel contour and lay pipe.
Compared with prior art the utlity model has following characteristics and beneficial effect: the utility model has related to a kind of simple with measuring signal strength E(magnetic field overall strength) calculate signal generator is laid pipe to sensor distance H, and determine the bit location device thus, have guiding distance, characteristics that guiding accuracy is high.
Main application scenario of the present utility model: 1, horizontal jet grouting construction; The utility model can be realized accurate location, and accuracy in measurement and the length of drilling are irrelevant, therefore horizontal jet grouting stake interlock quality are improved greatly, in the construction in conjunction with spoil disposal in the drilling rod and pressure measxurement means, one-off construction length is reached more than 50 meters becomes possibility, and the guiding distance is very long.2, long apart from pipe roof construction; Long bigger owing to outer limb apart from pipe roof construction, there be limit or the problem of backbreaking of invading, adopt the utility model can allow this problem be solved, and may realize that just the Zhi Yuguan canopy becomes integral body.3, vertical accurately drilling construction; The utility model allows the super degree of depth accurately hole becomes possibility, can be applicable to ultra-deep foundation pit water shutoff curtain, the leading reinforcing of the vertical shaft in colliery or inclined shaft.
The utility model has adopted serial fixed point signal to receive, and has solved ground and has followed the tracks of the guiding problem.
The utility model can not only be used the angle calculation bit location, also can directly locate, and positioning accuracy is irrelevant with the length of drilling.
The utility model has solved the efficient borehole survey problem in big buried depth tunnel.
The utility model multiple spot is measured simultaneously, and average effect is arranged, and remedies local interference, the precision height.
The utility model has significantly been saved Measuring Time, has promoted engineering comprehensively and has measured operating efficiency.
The utility model can be realized hole long-range construction control and supervision.
The utility model at tunnel advanced support (as the horizontal jet grouting method) need a large amount of high-precision borings on same face characteristics design.The utility model is followed the tracks of the guidance method principle with reference to ground, changes the ground tracking measurement into underground serial fixed point continuous measurement, changes ground multiposition location into multisensor measurement and positioning simultaneously.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is structural configuration schematic diagram of the present utility model.
Fig. 2 is the schematic diagram of determining bit location.
Reference numeral: 1-tunnel contour, 2-sensor are laid pipe, 3-signal transducer, 4-drill bit, 5-signal generator, 6-obliquity sensor, 7-holding wire, 8-guide instrument.
The specific embodiment
Embodiment adopts the pilot hole device of pre-buried many group sensors to include rig and guide instrument 8 referring to Fig. 1, shown in Figure 2, and signal generator 5 is housed in the drill bit of described rig, and signal generator 5 is built-in with obliquity sensor 6.Described guide instrument 8 is obtained by buying on the market, such as the lunar eclipse guide instrument of U.S. DCI company, and the perhaps SE-DY102A guide instrument of Beijing Shouer Engineering Technology Co., Ltd..
Adopt the pilot hole device of pre-buried many group sensors also to comprise to lay pipe 2 and axially spaced-apart by two sensors that are embedded in the tunnel contour 1 that to be arranged on one group of signal transducer 3(that every sensor lays in the pipe be the array signal sensor), described signal transducer 3 links to each other with guide instrument 8 by holding wire 7, and signal transducer 3 is provided with the signal transducer coil of the field intensity size that can sense the signal that signal generator 5 sends, be in other words, be exactly signal transducer coil on the signal transducer 3 electromagnetic field three-component that can record certain frequency (three quadrature coils are measured three components of electromagnetic field respectively).
As most preferred embodiment, present embodiment adopts 2, two groups of signal transducers of two groups of signal transducers can work to correct final result.In other embodiments, also can adopt three groups or more groups of signal transducers 2, can make the result more accurate.As special case, can also only utilize one group of signal transducer 2, utilize one group of signal transducer, 2 measuring transmitters 5 to lay pipe 2 distance H to sensor, when not too not high-precision short distance drilling construction, be a kind of effective selection.
Referring to Fig. 1, shown in Figure 2, this pilot hole method that has adopted the pilot hole device of pre-buried many group sensors, its step is as follows.
Step 1, before tunnel boring construction, the pre-buried at least one sensor parallel with tunnel axis laid pipe 2 in tunnel contour 1, sensor is laid and axially at interval one group of signal transducer 3(is set in the pipe 2 the array signal sensor namely is set), and with holding wire 7 this is organized signal transducer 3 and link to each other with guide instrument 8.
Step 2, rig are in place, and the signal generator 5 that is connected with signal transducer 3 wireless signals is housed in the drill bit 4 of rig, and signal generator 5 is built-in with obliquity sensor 6.
In the above-mentioned formula, E is the field intensity of the received electromagnetic wave signal of signal transducer 3, it is the measurement signal field intensity, K is that (K is subjected to multifactor impact to the measurement system constant, different measurement system K values is different, K value need repeatedly be adjusted behind the experimental measurement before system dispatched from the factory), H be signal generator 5 to the fore-and-aft distance of the signal transducer 3 of accepting electromagnetic wave signal, L is that signal generator 5 is to the axial distance of the signal transducer 3 of accepting electromagnetic wave signal.
In the above-mentioned formula, K is known, and E obtains by signal transducer 3, and L obtains by rig, so by calculating the value that just can obtain H.
In the described tunnel contour as pre-buried one lay pipe, need to cooperate the angle of demodulation comprehensively to determine bit location, lay pipe as pre-buried two, available triangulation method is directly determined bit location.
Described formula
Derivation as follows.
Referring to Fig. 2, known measurement relational expression:
Order
, according to
And
,
Order again
, then have
, namely
In above-mentioned formula, E is the field intensity of the received electromagnetic wave signal of signal transducer 3, it is the measurement signal field intensity, K is the measurement system constant, H is the fore-and-aft distance of signal generator 5 to the signal transducer 3 of accepting electromagnetic wave signal, also can be described as the fore-and-aft distance of drill bit to signal transducer 3, L is the axial distance of signal generator 5 to the signal transducer 3 of accepting electromagnetic wave signal, also can be described as drill bit to signal transducer 3 axial distances, R is the air line distance of signal generator 5 to signal transducer 3, also can be described as the air line distance of drill bit to signal transducer
For the hoop unit vector in spherical coordinate system,
For the radially unit vector in spherical coordinate system, θ is the angle of L and R.
By above derivation as can be known position fixing process be: pass through formula
, can try to achieve
, again by
Can get
, utilize signal transducer then, utilize and collude the definite position that burst relation is easy to just can determine drill bit.
Claims (2)
1. one kind is adopted the pre-buried pilot hole device of organizing sensors more, include rig and guide instrument (8), signal generator (5) is housed in the drill bit of described rig, signal generator (5) is built-in with obliquity sensor (6), it is characterized in that: comprise that also at least one sensor that is embedded in the tunnel contour (1) lay pipe (2) and axially spaced-apart and be arranged on sensor and lay one group of signal transducer (3) in the pipe, described signal transducer (3) links to each other with guide instrument (8) by holding wire (7), and signal transducer (3) is provided with the signal transducer coil of the field intensity size that can sense the signal that signal generator (5) sends.
2. a kind of pilot hole device that adopts pre-buried many group sensors according to claim 1 is characterized in that: be embedded with two sensors in the described tunnel contour (1) and lay pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320065095 CN203050505U (en) | 2013-02-05 | 2013-02-05 | Guide drilling device with multiple groups of pre-buried sensors adopted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320065095 CN203050505U (en) | 2013-02-05 | 2013-02-05 | Guide drilling device with multiple groups of pre-buried sensors adopted |
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| CN203050505U true CN203050505U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320065095 Expired - Fee Related CN203050505U (en) | 2013-02-05 | 2013-02-05 | Guide drilling device with multiple groups of pre-buried sensors adopted |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161404A (en) * | 2013-02-05 | 2013-06-19 | 北京首尔工程技术有限公司 | Oriented drilling method and device by means of embedding of multi-group sensors |
| CN105226884A (en) * | 2015-11-06 | 2016-01-06 | 上海大柏树防爆技术有限公司 | Mine flameproof and intrinsic safety type multifunction electromagnetic starter and application process thereof |
-
2013
- 2013-02-05 CN CN 201320065095 patent/CN203050505U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161404A (en) * | 2013-02-05 | 2013-06-19 | 北京首尔工程技术有限公司 | Oriented drilling method and device by means of embedding of multi-group sensors |
| CN105226884A (en) * | 2015-11-06 | 2016-01-06 | 上海大柏树防爆技术有限公司 | Mine flameproof and intrinsic safety type multifunction electromagnetic starter and application process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20210205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |