CN102817605A - Method for accurately measuring elevation of drilling point in subterranean drilling - Google Patents
Method for accurately measuring elevation of drilling point in subterranean drilling Download PDFInfo
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- CN102817605A CN102817605A CN2012102797705A CN201210279770A CN102817605A CN 102817605 A CN102817605 A CN 102817605A CN 2012102797705 A CN2012102797705 A CN 2012102797705A CN 201210279770 A CN201210279770 A CN 201210279770A CN 102817605 A CN102817605 A CN 102817605A
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- 238000005553 drilling Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention discloses a method for accurately measuring elevation of a drilling point in subterranean drilling. The method comprises the following steps of: filling a horizontal flexible pipe with water, and enabling one end of a flexible pipe or the pipe head connectedwith a water pressure box to enter the drilling point along with a drill; leading out the other end of the horizontal flexible pipe through a through hole at a tail part of a drill pipe; sealing both ends of the pipe; drilling a drill hole and stopping the drilling until the elevation of the drilling point reaches to the requirement; finally, measuring the elevation of the drilling point directly outside the drill hole, alternatively reading out an altitude difference through a ground displayer, so as to calculate the elevation of the drilling point. The invention is aimed at tunnel drilling construction. By adopting the method disclosed by the invention, the underground drilling elevation can be accurately detected through instruments such as a horizontal flexible pipe, a water pressure box, and a displayer by utilizing the principle of communicating vessels and the principle of calculating the altitude difference by a pressure value of liquid in communicating pipes; therefore, safety of the existing underground objects can be guaranteed, the operation is simple, the construction is convenient, the construction progress is accelerated, and a very good construction effect is achieved; furthermore, the used operating instruments are low in cost and very suitable for popularization and application in such drilling construction.
Description
Technical field
The present invention relates to the Reconnaissance Survey field, specifically, relate to measure in a kind of subsurface boring the method for probing point height.
Background technology
In the constructing tunnel process; Be usually directed to subsurface boring; And some existing underground objects; For example underground foundation of communication route, various pipe network facilities, high service pipeline and house, highway bridge etc. etc. belongs to important object of protection, can not injure existing underground object in the construction requirement drilling process, to guarantee property, life security.
The accurate elevation of probing point just proposes higher required precision during for this reason, to underground probing.But in boring procedure; Owing to drilling rod deadweight, country rock hardness is inconsistent and reason such as plant error; Drilling rod can not keep the same elevation angle or the angle of depression to execute brill always, so can not accurately orient the probing point height through run of steel and the elevation angle, the angle of depression.Because of measuring the accurate elevation of probing point, drill bit can't go deep into when causing probing sometimes.
Therefore, press for the method for accurately measuring the probing point height when working out the subsurface boring of a kind of tunnel.
Summary of the invention
What the present invention will solve is the technical problem that leading probing elevation can't accurately be measured in the constructing tunnel process; The method of accurately measuring the probing point height in a kind of subsurface boring is provided; It is nearer to be particularly useful for the existing underground object of tunnel excavation distance, thereby the accurate situation of positioning drilling point height.
In order to solve the problems of the technologies described above, the present invention is achieved through following technical scheme:
Accurately measure the method for probing point height in a kind of subsurface boring, when the probing direction was the elevation angle with angle that horizontal plane becomes, this method was carried out according to following steps:
A., water-filled horizontal flexible pipe is installed in the drilling rod of rig;
B. an end of said horizontal flexible pipe is fixed in the drill bit place of said rig, and sealing should be held tube head;
C. be drilled with through hole at said drilling rod afterbody;
D. the other end of said horizontal flexible pipe is drawn by said through hole, and sealing should be held tube head;
E. begin boring, when needs are measured the probing point height, stop said rig;
F. the outer said horizontal flexible pipe tube head of will holing promotes, and makes it be higher than the Theoretical Calculation position of probing point;
G. remove the sealing of the outer said horizontal flexible pipe tube head of boring;
H. slowly move the outer said horizontal flexible pipe tube head of boring up and down, when the height of water level in this tube head was constant, its water level elevation was the probing point height.
Accurately measure the method for probing point height in a kind of subsurface boring, when the probing direction was the angle of depression with angle that horizontal plane becomes, this method was carried out according to following steps:
A., water-filled horizontal flexible pipe is installed in the drilling rod of rig;
B. an end of said horizontal flexible pipe is fixed in the drill bit place of said rig, and will hold tube head to be connected in the interface of water pressure box;
C. be drilled with through hole at said drilling rod afterbody;
D. this end tube head is drawn and sealed to the other end of said horizontal flexible pipe by said through hole, simultaneously the wiring that is used to connect display instrument on the said water pressure box is drawn through said through hole;
E. begin boring, when needs are measured the probing point height, stop said rig;
F. remove the sealing of the outer said horizontal flexible pipe tube head of boring;
G. be used to connect the wiring and display instrument connection of display instrument on said water pressure box in that boring is outer, and write down the pressure value P that display instrument showed;
H. calculate horizontal flexible pipe on the ground tube head water level and underground tube head water level the discrepancy in elevation
wherein ρ be the density of water, g is an acceleration of gravity;
I. according to the horizontal flexible pipe elevation h of tube head water level on the ground
On the ground, calculate probing point height h=h
On the ground-h
The discrepancy in elevation
The invention has the beneficial effects as follows:
The present invention is directed to the tunnel drilling operation, utilize law of connected vessels and the force value of utilizing liquid in communicating pipe to calculate the principle of the discrepancy in elevation, through instruments such as horizontal flexible pipe, water pressure box and display instruments; Can accurately survey the subsurface boring elevation; Guarantee the safety of underground existing object, simple to operate, easy construction; Accelerate construction speed, obtained extraordinary construction effect; Used in addition operating instrument is also cheap, is highly suitable in this type of drilling operation and applies.
Description of drawings
Fig. 1 is when the probing direction is the elevation angle with angle that horizontal plane becomes, and accurately measures the method sketch map of drill bit elevation in the subsurface boring provided by the present invention;
Fig. 2 is when the probing direction is the angle of depression with angle that horizontal plane becomes, and accurately measures the method sketch map of drill bit elevation in the subsurface boring provided by the present invention.
Among the figure: 1, horizontal flexible pipe; 2, horizontal absolute altitude outside the hole; 3, the tunnel excavation section; 4, the probing point; 5, existing underground object; 6, display instrument.
The specific embodiment
For further understanding content of the present invention, characteristics and effect, specify as follows below in conjunction with accompanying drawing:
(1) for when the probing direction becomes angle α to be the elevation angle with horizontal plane, the situation that the point of probing just 4 is above the ground level utilizes law of connected vessels directly outside the hole, to measure probing point 4 elevations.
As shown in Figure 1, tunnel excavation section 3 is above the ground level, and near the probing point 4 existing underground object 5 is arranged.
It is in place at first to set up drilling equipment, empty in the drilling rod of rig, in drilling rod, installs water-filled horizontal flexible pipe 1 before the boring.One termination of horizontal flexible pipe 1 extends near fixing near the drill bit of rig, and sealing should be held tube head; Need the horizontal flexible pipe 1 of assurance not fracture, make that the water in the horizontal flexible pipe 1 can flow smoothly.Bore a little through hole at the afterbody of drilling rod, draw the other end of horizontal flexible pipe 1, the sealing of the tube head that will hold then by this through hole.Wherein, the length of horizontal flexible pipe 1 can be estimated as: (the Theoretical Calculation discrepancy in elevation+1 at boring length+probing point 4 and rig place) rice; Can estimate the length of pouring water thus for less than 0.3 ~ 0.5 meter of the length of horizontal flexible pipe 1.
Begin boring, in boring procedure, when needs are measured the drill bit elevation, stop rig.The tube head that improves the outer horizontal flexible pipe 1 of boring then is to 0.5 meter of the Theoretical Calculation position height that is higher than drill bit, the sealing of removing this end tube head.Slowly move up and down and should hold tube head, when the height of water level in this end tube head was constant, height of water level at this moment was crown height, horizontal absolute altitude 2 outside the hole as shown in Figure 1.
(2) for when the probing direction becomes angle α to be the angle of depression with horizontal plane; The point of probing just 4 is lower than the situation on ground; Utilize the force value of liquid in communicating pipe to calculate the principle of the discrepancy in elevation, read the discrepancy in elevation, put 4 elevations thereby accurately calculate subsurface boring through display instrument 6.
It is in place at first to set up drilling equipment, empty in the drilling rod of rig, in drilling rod, installs water-filled horizontal flexible pipe 1 before the boring.One termination of horizontal flexible pipe 1 extends near fixing near the drill bit of rig, and sealing should be held tube head; Need the horizontal flexible pipe 1 of assurance not fracture, make that the water in the horizontal flexible pipe 1 can flow smoothly.The termination that horizontal flexible pipe 1 is fixed in drill bit is connected with a water pressure box, and is connected with the interface of water pressure box, so that the water pressure box can be sensed the pressure of water in the horizontal flexible pipe 1.Bore a little through hole at the afterbody of drilling rod, draw the other end of horizontal flexible pipe 1, the sealing of the tube head that will hold then by this through hole.Simultaneously with the wiring that is used to connect display instrument 6 on the water pressure box from drawing from the small through hole of drilling rod tail end, and be fixed on the drilling rod.Wherein, the length of horizontal flexible pipe 1 can be estimated as: (the Theoretical Calculation discrepancy in elevation+1 at boring length+probing point 4 and rig place) rice; Can estimate the length of pouring water thus for less than 0.3 ~ 0.5 meter of the length of horizontal flexible pipe 1.
Begin boring, in boring procedure, when needs are measured the drill bit elevation, stop rig.Remove the sealing of the tube head of the outer horizontal flexible pipe 1 of boring; The wiring that is used to connect display instrument 6 with the drilling rod tail end is connected to display instrument 6 then; Pressure value P through display instrument 6 indications; According to formula P=ρ gh determine horizontal flexible pipe on the ground tube head water level and underground tube head water level the discrepancy in elevation
wherein ρ be the density of water, g is an acceleration of gravity.
The last horizontal flexible pipe of measuring according to level gauge is the elevation h of tube head water level on the ground
On the ground, calculate the accurate elevation h=h of subsurface boring point 4
On the ground-h
The discrepancy in elevation
Although combine accompanying drawing that the preferred embodiments of the present invention are described above; But the present invention is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, is not restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, can also make the concrete conversion of a lot of forms, these all belong within protection scope of the present invention.
Claims (2)
1. accurately measure the method for drilling point height in a subsurface boring, it is characterized in that, when the probing direction was the elevation angle with angle that horizontal plane becomes, this method was carried out according to following steps:
A., water-filled horizontal flexible pipe is installed in the drilling rod of rig;
B. an end of said horizontal flexible pipe is fixed in the drill bit place of said rig, and sealing should be held tube head;
C. be drilled with through hole at said drilling rod afterbody;
D. the other end of said horizontal flexible pipe is drawn by said through hole, and sealing should be held tube head;
E. begin boring, when needs are measured the probing point height, stop said rig;
F. the outer said horizontal flexible pipe tube head of will holing promotes, and makes it be higher than the Theoretical Calculation position of probing point;
G. remove the sealing of the outer said horizontal flexible pipe tube head of boring;
H. slowly move the outer said horizontal flexible pipe tube head of boring up and down, when the height of water level in this tube head was constant, its water level elevation was the probing point height.
2. accurately measure the method for drilling point height in a subsurface boring, it is characterized in that, when the probing direction was the angle of depression with angle that horizontal plane becomes, this method was carried out according to following steps:
A., water-filled horizontal flexible pipe is installed in the drilling rod of rig;
B. an end of said horizontal flexible pipe is fixed in the drill bit place of said rig, and will hold tube head to be connected in the interface of water pressure box;
C. be drilled with through hole at said drilling rod afterbody;
D. this end tube head is drawn and sealed to the other end of said horizontal flexible pipe by said through hole, simultaneously the wiring that is used to connect display instrument on the said water pressure box is drawn through said through hole;
E. begin boring, when needs are measured the probing point height, stop said rig;
F. remove the sealing of the outer said horizontal flexible pipe tube head of boring;
G. be used to connect the wiring and display instrument connection of display instrument on said water pressure box in that boring is outer, and write down the pressure value P that display instrument showed;
H. calculate horizontal flexible pipe on the ground tube head water level and underground tube head water level the discrepancy in elevation
wherein ρ be the density of water, g is an acceleration of gravity;
I. according to the horizontal flexible pipe elevation h of tube head water level on the ground
On the ground, calculate probing point height h=h
On the ground-h
The discrepancy in elevation
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102797705A CN102817605A (en) | 2012-08-07 | 2012-08-07 | Method for accurately measuring elevation of drilling point in subterranean drilling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102797705A CN102817605A (en) | 2012-08-07 | 2012-08-07 | Method for accurately measuring elevation of drilling point in subterranean drilling |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982171A (en) * | 2014-04-30 | 2014-08-13 | 北京北矿亿博科技有限责任公司 | Method for monitoring and controlling the elevation of the bottom plane of a borehole and monitoring device |
| CN108150100A (en) * | 2017-12-21 | 2018-06-12 | 北京首尔工程技术有限公司 | A kind of nearly horizontal drilling bit location height monitoring method and monitoring device |
| CN112229373A (en) * | 2019-07-15 | 2021-01-15 | 中国石油天然气集团有限公司 | Combined height difference measuring device and method |
| CN112833865A (en) * | 2021-01-06 | 2021-05-25 | 河北科技师范学院 | A construction project supervision engineering measurement system |
| CN118776523A (en) * | 2024-09-13 | 2024-10-15 | 蓝尊科技(山东)有限公司 | Differential pressure static level instrument with integrated attitude monitoring function and method thereof |
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| CN2092088U (en) * | 1991-06-15 | 1992-01-01 | 金兆云 | Simple height measurer |
| CN101603822A (en) * | 2009-07-24 | 2009-12-16 | 兰州大学 | A device for measuring surface roughness |
| CN101769737A (en) * | 2009-01-02 | 2010-07-07 | 郑负 | statoscope |
| CN201628542U (en) * | 2009-12-31 | 2010-11-10 | 张琪奕 | Height measuring gauge |
| CN102175214A (en) * | 2011-01-27 | 2011-09-07 | 中国华西企业有限公司 | Engineering method for measuring and constructing polyvinyl chloride (PVC) cylinder leveling device |
| CN102252654A (en) * | 2011-04-26 | 2011-11-23 | 河南理工大学 | Dynamic measurement apparatus for point-position elevation in concealed engineering |
| CN202304812U (en) * | 2011-09-30 | 2012-07-04 | 合肥工业大学 | Tilting sensor of communicated-pipe-type construction member |
-
2012
- 2012-08-07 CN CN2012102797705A patent/CN102817605A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092088U (en) * | 1991-06-15 | 1992-01-01 | 金兆云 | Simple height measurer |
| CN101769737A (en) * | 2009-01-02 | 2010-07-07 | 郑负 | statoscope |
| CN101603822A (en) * | 2009-07-24 | 2009-12-16 | 兰州大学 | A device for measuring surface roughness |
| CN201628542U (en) * | 2009-12-31 | 2010-11-10 | 张琪奕 | Height measuring gauge |
| CN102175214A (en) * | 2011-01-27 | 2011-09-07 | 中国华西企业有限公司 | Engineering method for measuring and constructing polyvinyl chloride (PVC) cylinder leveling device |
| CN102252654A (en) * | 2011-04-26 | 2011-11-23 | 河南理工大学 | Dynamic measurement apparatus for point-position elevation in concealed engineering |
| CN202304812U (en) * | 2011-09-30 | 2012-07-04 | 合肥工业大学 | Tilting sensor of communicated-pipe-type construction member |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982171A (en) * | 2014-04-30 | 2014-08-13 | 北京北矿亿博科技有限责任公司 | Method for monitoring and controlling the elevation of the bottom plane of a borehole and monitoring device |
| CN108150100A (en) * | 2017-12-21 | 2018-06-12 | 北京首尔工程技术有限公司 | A kind of nearly horizontal drilling bit location height monitoring method and monitoring device |
| CN108150100B (en) * | 2017-12-21 | 2020-12-08 | 北京首尔工程技术有限公司 | Method and device for monitoring position and height of near-horizontal drilling bit |
| CN112229373A (en) * | 2019-07-15 | 2021-01-15 | 中国石油天然气集团有限公司 | Combined height difference measuring device and method |
| CN112833865A (en) * | 2021-01-06 | 2021-05-25 | 河北科技师范学院 | A construction project supervision engineering measurement system |
| CN112833865B (en) * | 2021-01-06 | 2022-08-05 | 河北科技师范学院 | Construction project supervision project measurement system |
| CN118776523A (en) * | 2024-09-13 | 2024-10-15 | 蓝尊科技(山东)有限公司 | Differential pressure static level instrument with integrated attitude monitoring function and method thereof |
| CN118776523B (en) * | 2024-09-13 | 2024-11-19 | 蓝尊科技(山东)有限公司 | Differential pressure type static level integrating gesture monitoring function and method thereof |
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Application publication date: 20121212 |