CN103382833B - No-dig technique guide instrument and use the measuring method of this guide instrument - Google Patents
No-dig technique guide instrument and use the measuring method of this guide instrument Download PDFInfo
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- 238000012545 processing Methods 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims abstract description 19
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- 238000010276 construction Methods 0.000 abstract description 8
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Abstract
The invention discloses a kind of no-dig technique guide instrument, the rig of described no-dig technique guide instrument application includes drill power head, it is arranged on the drilling rod on drill power head, drill power head is connected to gear, gear engages with the tooth bar being fixed on drilling cramp, described no-dig technique guide instrument includes the probe being arranged on drilling rod end drill bit, follow the tracks of receiving instrument and synchronization indicator, it is characterized in that, described no-dig technique guide instrument also includes drilling rod displacement measuring device, described drilling rod displacement measuring device includes the drilling rod online detection unit arranged near drilling rod above ground portion, the number of teeth counting unit of the number of teeth that detection pinion rotation or tooth bar are moved through, and the signal of reception drilling rod online detection unit and number of teeth counting unit is thus calculating the signal processing unit of bit depth, described signal processing unit is located in tracking receiving instrument and synchronization indicator.Owing to the signal of yaw angle is not disturbed by environmental factors, it is possible not only to obtain accurate bit depth value, it is ensured that being normally carried out of non-excavating construction.
Description
Technical field
The present invention relates to a kind of no-dig technique guide instrument, especially a kind of degree of depth using this guide instrument and yaw angle measuring method.
Background technology
Extensive development along with urban construction, needing to lay in city and cut dirt pipe or the energy (liquefied gas, natural gas an etc.) supply pipe, more common method is that box cut carrys out pipe laying and sunkens cord, and this can cause environmental pollution, cause traffic jam, and there is construction safety hidden danger.
Therefore, application no-dig laying pipelines technique currently also, namely one utilizes rock and soil drilling means, when road surface not ditching, do not destroy top layer in large area, lay, repair and change the construction technology of underground utilities.Use trenchless technology has the advantages such as the cycle is short, cost is low, pollute less, security performance is good, and without influence on normal traffic order.
What no-dig laying pipelines technique application was wider is horizontally-guided progressive method, and it is to utilize no-dig technique guide instrument to guide the drilling rod equipped with drill bit to come in before being oriented to realize.No-dig technique guide instrument includes the operating mode-degree of depth, inclination angle and the hour direction that provide drill bit real-time, the operator allowing ground grasp drilling track in real time follow-up operation to be revised timely, to ensure by set route track accurate pointing, complete trenchless pipelaying.As can be seen here, no-dig laying pipelines technique has significantly high requirement for accurately measuring of no-dig technique guide instrument.
And the method that existing no-dig technique guide instrument fathoms can by wired or wireless mode, but wire transmission equipment installs complexity, and the current degree of depth can only be calculated with whole drilling rod for least unit, lack real-time and precision, it is impossible to meet the needs of practical operation；And wireless topology is relatively easy, probe including underground, tracking receiving instrument on the ground and synchronization indicator, the probe being arranged on drill bit by underground sends signal, by ground handling operator's usage track receiving instrument, after determining that drill bit is relative to the vertical release position on ground, the information receiving guide instrument reception probe of following the tracks of according to this some position guide instrument calculates the degree of depth of drill bit, a kind of no-dig technique guide instrument as disclosed in Chinese patent application that application number is 2004100321021.8, and the disclosed a kind of no-dig technique guide instrument of Chinese patent that application number is 201220627817.8, it is all have employed above-mentioned method to obtain depth data.
But in practice of construction, because of the complicated uncertainty of construction environment, inevitably run into a lot of interference source, when bit depth is crossed deep, follow the tracks of receiving instrument and therefore can cannot measure the degree of depth of drill bit, and be only able to display inclination angle and the hour direction of drill bit.
Summary of the invention
First shortcoming that technical problem is that for above-mentioned prior art to be solved by this invention, it is provided that a kind of no-dig technique guide instrument, it is possible to fathom accurately, to guarantee being normally carried out of non-excavating construction.
Second technical problem to be solved by this invention is to provide a kind of measuring method using above-mentioned no-dig technique guide instrument.
This invention address that first technical scheme that above-mentioned first technical problem adopts is: a kind of no-dig technique guide instrument, the rig of described no-dig technique guide instrument application includes drill power head, it is arranged on the drilling rod on drill power head, described no-dig technique guide instrument includes the probe being arranged on drilling rod end drill bit, follow the tracks of receiving instrument and synchronization indicator, it is characterized in that, described no-dig technique guide instrument also includes drilling rod displacement measuring device, described drilling rod displacement measuring device includes the drilling rod online detection unit arranged near drilling rod above ground portion, detect the displacement detecting unit of drilling rod displacement in real time, and the signal of reception drilling rod online detection unit and displacement detecting unit is thus calculating the signal processing unit of bit depth or yaw angle；Described drill power head is connected to gear, and gear engages with the tooth bar being fixed on drilling cramp, the number of teeth counting unit of the number of teeth that described displacement detecting unit includes detection pinion rotation or tooth bar is moved through.
This invention address that second technical scheme that above-mentioned first technical problem adopts is: a kind of no-dig technique guide instrument, the rig of described no-dig technique guide instrument application includes drill power head, it is arranged on the drilling rod on drill power head, described no-dig technique guide instrument includes the probe being arranged on drilling rod end drill bit, follow the tracks of receiving instrument and synchronization indicator, it is characterized in that, described no-dig technique guide instrument also includes drilling rod displacement measuring device, described drilling rod displacement measuring device includes the drilling rod online detection unit arranged near drilling rod above ground portion, detect the displacement detecting unit of drilling rod displacement in real time, and the signal of reception drilling rod online detection unit and displacement detecting unit is thus calculating the signal processing unit of bit depth or yaw angle；Described drill power head is arranged on drilling cramp, is provided with the slide rheostat being connected to signal processing unit on described drilling cramp, is provided with brush, described brush and slide rheostat electrical contact on drill power head.
This invention address that the technical scheme that above-mentioned second technical problem adopts is: the measuring method of a kind of no-dig technique guide instrument, use no-dig technique guide instrument as above, it is characterised in that comprise the steps:
1) signal processing unit is according to the current demand signal that drilling rod online detection unit detects judges whether be provided with drilling rod on rig, if it has, the inclination alpha of the current drill bit of signal processing unit record probe transmission1, and carry out step 2)；
2) signal processing unit calculates drilling rod displacement Δ L within above-mentioned a period of time according to displacement detecting unit signal after rod boring a period of time, it is judged that the direction of motion of drilling rod, and records the inclination alpha of current drill bit2；
3) signal processing unit obtains the air line distance Δ S of the origin-to-destination bit location of above-mentioned a period of time according to Δ L, calculates the depth variance Δ H of drill bit in above-mentioned a period of time according to formula Δ H=Δ S cos α, whereinWhen measuring first, Δ H is the real-time deep of drill bit, obtains the real-time deep of drill bit in conjunction with Δ H measuring the degree of depth obtained for the first time, by that analogy when second time is measured.
The movement locus assuming described drilling rod is straight line, then Δ S=Δ L.
The movement locus assuming described drilling rod is circular arc, then
In step 1) in, when not having drilling rod on rig, drilling rod online detection unit does not produce signal；When drilling rod is installed on rig, drilling rod online detection unit produces an induced signal, and signal processing unit judges now to be provided with drilling rod on rig according to this induced signal.
Signal processing unit always according to Δ E=Δ P sin β calculate drill bit real-time yaw position, wherein, Δ E is the yaw angle variable quantity of drill bit, Δ P be in above-mentioned a period of time the air line distance of drill bit origin-to-destination bit location at the projection of horizontal plane, β1For the yaw angle that above-mentioned a period of time initial time probe axis projects at horizontal plane, β2For the yaw angle that above-mentioned finish time a period of time probe axis projects at horizontal plane,When first time measures, select a basis reference line, obtain the real-time yaw position of drill bit in conjunction with Δ E；The real-time yaw position of drill bit is obtained in conjunction with Δ E measuring the yaw position obtained for the first time, by that analogy when second time is measured.
Compared with prior art, it is an advantage of the current invention that: by detecting the displacement of drilling rod in a period of time, can be similar in conjunction with yaw angle and obtain the variable quantity (i.e. the variable quantity of bit depth) of the rod boring degree of depth in during this period of time；Owing to the signal at inclination angle is not disturbed by environmental factors, it is possible not only to obtain accurate bit depth value, it is ensured that being normally carried out of non-excavating construction, and increases the scope of depth survey, the degree of depth that maximum detection amount is 30 meters, expand range of application.
Accompanying drawing explanation
Fig. 1 is the drilling rod above ground portion schematic diagram of the present invention；
Fig. 2 is the schematic diagram of another embodiment of displacement detecting unit of the present invention；
Fig. 3 is the schematic diagram of one embodiment of number of teeth counting unit of the present invention；
Fig. 4 is the schematic diagram of the number of teeth another embodiment of counting unit of the present invention；
Fig. 5 is the schematic diagram of one embodiment of depth calculation of the present invention；
Fig. 6 is the schematic diagram of another embodiment of depth calculation of the present invention；
The yaw angle variable quantity that Fig. 7 is the present invention calculates schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Referring to Fig. 1, Fig. 3 and Fig. 4, the part of drilling rod 1 on ground, it is arranged on the drill power head 21 of rig, drill power head 21 drive drilling rod 1 advance or retreat.
No-dig technique guide instrument includes the probe being arranged on drilling rod 1 end drill bit place, follows the tracks of receiving instrument, and synchronization indicator, and drilling rod displacement measuring device, drilling rod displacement measuring device includes drilling rod online detection unit 31, number of teeth counting unit 32 and signal processing unit 33.Signal processing unit 33 can be arranged in tracking receiving instrument or synchronization indicator, it is also possible to for independent device.
Wherein, whether drilling rod online detection unit 31 is provided with drilling rod 1 for creeping into for detecting on current rig, and it is arranged on rig near the position of drilling rod 1, it is preferred that for proximity transducer.When not having drilling rod 1 on rig, drilling rod online detection unit 31 does not produce signal；When drilling rod 1 is installed on rig, drilling rod online detection unit 31, due to the existence of drilling rod 1, produces an induced signal, and is delivered to signal processing unit 33, and thus signal processing unit 33 judges now to be provided with drilling rod 1 on rig.
Drill power head 21 is arranged on drilling cramp 22, is connected with gear 23, and gear 23 engages with tooth bar 24 and can roll on tooth bar 24, and tooth bar 24 is fixedly mounted on drilling cramp 22 along drilling rod 1 bearing of trend.After being driven by drill power head 21 due to gear 23, on tooth bar 24, rotary rolling produces counteracting force, drives drill power head 21 to move, and thus drives drilling rod 1 advance or retreat.
Number of teeth counting unit 32 is arranged near gear 23 or tooth bar 24, preferably gear sensor, when gear 23 or tooth bar 24 tooth top near time, due to electromagnetic induction, gear sensor produces a pulse signal, the number of teeth that thus signal processing unit 33 can record gear 23 or tooth bar 24 is moved through.When gear 23 rotates or drill power head 21 moves along tooth bar 24, a signal all can be produced when the monodentate of gear 23 or tooth bar 24 is by number of teeth counting unit 21, and it being delivered to signal processing unit 33, signal processing unit 33 passes through the total quantity of number of teeth counting unit 21 by the number of signals produced thus obtaining monodentate.Between the time point of two detections, according to the monodentate number passed through, the geometric parameter of combination gear 23 or tooth bar 24, thus can calculate the displacement of drill power head 21, when being provided with drilling rod 1 on rig, namely the displacement of drill power head 21 is equivalent to the displacement (length advanced or retreat) of drilling rod 1.
Drill power head 21 is in the process moved forward and backward, the monodentate of gear 23 or tooth bar 24 is different relative to the moving direction of number of teeth counting unit 21, number of teeth counting unit 21 can produce different signals (can arrange two gear sensors herein, when moving forward and backward two gear sensors to receive the order of signal different), signal processing unit 33 may determine that, according to the unlike signal received, the direction that current drill power head 21 moves.
Referring to Fig. 2, for the alternative embodiment of number of teeth counting unit 32, drilling cramp 22 is provided with slide rheostat 34, is connected to signal processing unit 33, drill power head 21 is provided with brush 35, slide rheostat 34 and brush 35 there is good electric property contact.When drill power head 21 moves and drives brush 35 to move on slide rheostat 34, the output resistance causing slide rheostat 34 changes, thus affecting the output size of electric current and voltage, signal processing unit 33 can calculate according to the signal output intensity of slide rheostat 34 and obtain the distance that in a period of time, brush 35 slips on slide rheostat 34, thus obtaining the displacement of drill power head 21, namely obtain the displacement of drilling rod 1.
Alternatively, laser range finder or ultrasonic range finder can also be set on driving unit head 21, drilling cramp 22 arranges target, the displacement of drill power head 21 can be obtained by the distance of laser or ultrasonic measurement to target, namely obtain the displacement of drilling rod 1.
The probe of no-dig technique guide instrument is arranged on the drill bit of drilling rod 1 end, obtain drilling rod 1 creep into displacement after, the displacement of this displacement and drill bit, thus can calculate the degree of depth that the drill bit of drilling rod 1 is real-time.Referring to the position that Fig. 5, a are first detection time point drill bit-upper measuring point, b is the position-lower measuring point of second detection time point drill bit, α1For the inclination angle of upper measuring point a, α2For the inclination angle of lower measuring point b, the signal that above-mentioned two angle value can be sent by the probe of no-dig technique guide instrument obtains, and this signal will not be subject to the interference of environmental factors；Δ S is the air line distance between upper measuring point a and lower measuring point b, in the present embodiment, the deformation trace assuming drilling rod 1 is straight line, then Δ S=Δ L, the displacement of Δ L and drilling rod 1 mentioned above, when drilling rod 1 advances Δ L on the occasion of, when drilling rod 1 retreats, Δ L is negative value, Δ H be detection two time points between the depth variance of drill bit.
Adopt average angle method to calculate depth variance Δ H, takeThen Δ H=Δ L cos α, Δ P=sin α Δ L, Δ P be in the computed time period drill bit starting point (namely going up measuring point a) to the air line distance of terminal (namely descending measuring point b) position in the projection of horizontal plane.In actual work progress, drilling rod 1 advances or the track that retreats is for the straight line between upper measuring point a and lower measuring point b, track with the approximate drilling rod 1 of the straight line between 2 o'clock, when two time point infinite approachs of detection, then go up the straight line between measuring point a and lower measuring point b and can infinitely approach the track of drilling rod 1 reality.
Alternatively, it may also assume that the displacement of drilling rod 1 is a circular arc, referring to Fig. 6, then now, When first time measures, the degree of depth of benchmark is zero, the then currently real-time degree of depth is Δ H, then can be obtained, with current calculated Δ H, the degree of depth that current drill bit is real-time by the degree of depth of the drill bit recorded for the first time when second time is measured, drill bit advance time Δ H be on the occasion of, when drill bit retreats, then Δ H is negative value, by that analogy.
On this basis, it is also possible to calculate drill bit yaw angle variable quantity during this period of time, referring to Fig. 7, signal processing unit 33 calculates the yaw position variation delta E of drill bit in above-mentioned a period of time according to Δ E=Δ P sin β, whereinβ1Being first detects the yaw angle that time point probe axis projects, β at horizontal plane2Being second detects the yaw angle that time point probe axis projects at horizontal plane, when first time measures, need to select a reference direction, when generally burying with drill bit, probe axis is at the basis reference line being projected as calculating yaw position of horizontal plane, obtains current yaw position in real time with this basis reference line.The real-time yaw position of drill bit is obtained in conjunction with Δ E measuring the yaw position obtained for the first time, by that analogy when second time is measured.
The real-time deep obtained after above-mentioned measurement and yaw position are sent to tracking receiving instrument (when signal processing unit 33 is located in tracking receiving instrument then without transmitting) by signal processing unit 33, in order to the operator timely commander rig personnel of this tracking receiving instrument hand-held carries out suitable operation.
The foregoing is only the preferred embodiment of the present invention, it is noted that for the ordinary skill in the art, without departing under principles of the invention premise, it is also possible to make various deformation and improvement, this also should be considered as protection scope of the present invention.
Claims (6)
1. a no-dig technique guide instrument, the rig of described no-dig technique guide instrument application includes drill power head (21), it is arranged on the drilling rod (1) on drill power head (21), described no-dig technique guide instrument includes the probe being arranged on drilling rod (1) end drill bit, follow the tracks of receiving instrument and synchronization indicator, it is characterized in that, described no-dig technique guide instrument also includes drilling rod displacement measuring device, described drilling rod displacement measuring device includes the drilling rod online detection unit (31) arranged near drilling rod (1) above ground portion, detect the displacement detecting unit of drilling rod (1) displacement in real time, and the signal of reception drilling rod online detection unit (31) and displacement detecting unit is thus calculating the signal processing unit (33) of bit depth or yaw angle；Described drill power head (21) is arranged on drilling cramp (22), described drilling cramp (22) is provided with the slide rheostat (34) being connected to signal processing unit (33), drill power head (21) is provided with brush (35), described brush (35) and slide rheostat (34) electrical contact.
2. a measuring method for no-dig technique guide instrument, uses no-dig technique guide instrument as claimed in claim 1, it is characterised in that comprise the steps:
1) signal processing unit (33) judges whether be provided with drilling rod (1) on rig according to the current demand signal that drilling rod online detection unit (31) detects, if it has, the inclination alpha of the current drill bit of signal processing unit (33) record probe transmission1, and carry out step 2)；
2) signal processing unit (33) calculates the drilling rod (1) displacement Δ L within above-mentioned a period of time according to displacement detecting unit signal after drilling rod (1) creeps into a period of time, judge the direction of motion of drilling rod (1), and record the inclination alpha of current drill bit2；
3) signal processing unit (33) obtains the air line distance Δ S of the origin-to-destination bit location of above-mentioned a period of time according to Δ L, calculates the depth variance Δ H of drill bit in above-mentioned a period of time according to formula Δ H=Δ S cos α, whereinWhen measuring first, Δ H is the real-time deep of drill bit, obtains the real-time deep of drill bit in conjunction with Δ H measuring the degree of depth obtained for the first time, by that analogy when second time is measured.
3. measuring method as claimed in claim 2, it is characterised in that the movement locus of described drilling rod (1) is straight line, then Δ S=Δ L.
4. measuring method as claimed in claim 2, it is characterised in that the movement locus of described drilling rod (1) is circular arc, then
5. the measuring method as according to any one of claim 2～4, it is characterised in that in step 1) in, when not having drilling rod (1) on rig, drilling rod online detection unit (31) does not produce signal；When drilling rod (1) is installed on rig, drilling rod online detection unit (31) produces an induced signal, and signal processing unit (33) judges now to be provided with drilling rod (1) on rig according to this induced signal.
6. measuring method as claimed in claim 2, it is characterized in that, signal processing unit (33) calculates the real-time yaw position of drill bit always according to Δ E=Δ P sin β, wherein, Δ E is the yaw angle variable quantity of drill bit, Δ P be in above-mentioned a period of time the air line distance of drill bit origin-to-destination bit location at the projection of horizontal plane, β1For the yaw angle that above-mentioned a period of time initial time probe axis projects at horizontal plane, β2For the yaw angle that above-mentioned finish time a period of time probe axis projects at horizontal plane,When first time measures, select a basis reference line, obtain the real-time yaw position of drill bit in conjunction with Δ E；The real-time yaw position of drill bit is obtained in conjunction with Δ E measuring the yaw position obtained for the first time, by that analogy when second time is measured.
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104329025A (en) * | 2014-11-04 | 2015-02-04 | 无锡市钻通工程机械有限公司 | Guide device for horizontal twist drill |
| DE102015121617B4 (en) | 2015-12-11 | 2021-01-28 | Ford-Werke Gmbh | Control device for an internal combustion engine |
| CN105927150A (en) * | 2016-04-11 | 2016-09-07 | 白伟华 | Measurement-while-drilling electric drill device |
| CN108956118B (en) * | 2018-07-19 | 2020-11-06 | 大连海事大学 | Test bench capable of realizing non-excavation directional drilling parameter detection |
| CN111060100A (en) * | 2020-01-07 | 2020-04-24 | 广州探霸仪器有限公司 | Measuring method, system and terminal of intelligent guide instrument |
| CN111411893B (en) * | 2020-04-01 | 2021-11-26 | 黄山金地电子有限公司 | Guiding device of drilling system and drill rod route planning method applying same |
| CN113863856A (en) * | 2020-06-29 | 2021-12-31 | 黄山金地电子有限公司 | Drilling route ground course calculation method of drilling system |
| CN113156534A (en) * | 2021-04-19 | 2021-07-23 | 广州探霸仪器有限公司 | Control method, device and equipment of detection system and storage medium |
| CN114278280B (en) * | 2022-03-08 | 2022-05-17 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Hydrogeology drilling water level automatic acquisition device and method |
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