CN110056344A - A kind of measurement device and its application method of coal seam punching shape - Google Patents
A kind of measurement device and its application method of coal seam punching shape Download PDFInfo
- Publication number
- CN110056344A CN110056344A CN201910312174.4A CN201910312174A CN110056344A CN 110056344 A CN110056344 A CN 110056344A CN 201910312174 A CN201910312174 A CN 201910312174A CN 110056344 A CN110056344 A CN 110056344A
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- China
- Prior art keywords
- gear
- ranging
- hole
- micromotor
- rail rods
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003245 coal Substances 0.000 title claims abstract description 33
- 238000005259 measurement Methods 0.000 title claims abstract description 24
- 238000004080 punching Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000011800 void material Substances 0.000 claims description 9
- 238000011010 flushing procedure Methods 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000003667 anti-reflective effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/08—Measuring diameters or related dimensions at the borehole
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Length Measuring Devices By Optical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses the measurement devices and its application method of a kind of coal seam punching shape, including telescopic rod, hollow tracl bar is connected on telescopic rod, ranging box is nested in rail rods, the first gear being slidably connected with rail rods is provided in ranging box, first gear is equipped with fixed link, fixed link one end is pierced into inside rail rods and is fixed with the first micromotor, the output shaft of first micromotor is equipped with second gear, the bar shaped tooth plate engaged with second gear is equipped in rail rods, the second micromotor is fixed in ranging box, the output shaft of second micromotor is equipped with third gear engaged with the first gear, gag lever post is fixed in first gear, the both ends of gag lever post are against respectively on the two sides inner wall of ranging box, laser range finder is provided in ranging box, the present apparatus can be efficient, it is accurately realized and makes cavities hole diameter, hole depth measurement, Hole form is restored, while easy to operate, it is accurately and reliably, adaptable.
Description
Technical field
The present invention relates to coal seam punching measuring shape fields, and in particular to a kind of measurement device of coal seam punching shape and its
Application method.
Background technique
The main body energy of the coal resources as China consumes 60% or more accounting.And the frequency of Coal Accidents caused by Yin Wasi
Hair constrains safe coal exploitation.Gas drainage is the necessary ways of safety of coal mines exploitation, in the most coal seam geological condition in China
Complexity, gas permeability of coal seam is poor, serious to restrict gas drainage efficiency.Must by hydraulic flushing in hole, hydraulic slotted liner technique, etc. enhancements mention
Efficiency is risen, and hydraulic flushing in hole is because of easy to operate, the adaptable mine for being widely used in China's gas drainage difficulty.
Hydraulic flushing in hole is to make cave in coal seam by high-pressure water jet to generate hole, reaches the antireflective purpose of release with this.Hole
The size and shape in hole directly affects relief range and effect, therefore quantitative examination punching void shape is particularly important.
The prior art can not the measurement reduction coal seam hydraulic flushing in hole of accurate quantitative analysis make the shape of cave pore-forming, common method has
Inspection instrument for borehole is observed and drills out that coal weighing is counter to be pushed away.It drills out the anti-pushing manipulation of coal weighing and assumes that hole does not meet for cylinder
Actual conditions.Both of which is only unable to judge accurately void shape and boundary by rule of thumb.Publication No. CN109083637A's
Chinese invention patent application discloses " a kind of down-hole coal bed hydraulic flushing in hole make cavities calipers and method ", passes through machine
Tool formula measuring rod measures hole range.It is such by opening measuring rod mensuration mode existing defects, void shape do not advise
When then, aperture can not be accurately measured.Calculate cumbersome simultaneously, effect is not satisfactory, needs a large amount of manual operations.
Summary of the invention
For above-mentioned technical deficiency, the object of the present invention is to provide a kind of measurement device of coal seam punching shape,
It measures its distance for arriving surrounding hole wall by the laser range finder of rotation, can measure irregular void shape, uses
Simply and more precisely.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
The present invention provides a kind of measurement device of coal seam punching shape, including telescopic rod, and the extension end of the telescopic rod connects
Hollow rail rods are connected to, ranging box is nested in the rail rods, is provided in the ranging box and is slided with the rail rods
The first gear of connection, the first gear, the ranging box and the rail rods are coaxially set, in the first gear
It is fixed with fixed link, the fixed link pierces into inside the rail rods far from one end of the first gear and to be fixed with first micro-
Type motor, the output shaft of first micromotor are provided with second gear, are additionally provided in the rail rods and described second
The bar shaped tooth plate of gear engagement, is further fixed on the second micromotor on the ranging box inner wall, second micromotor it is defeated
Shaft is connected with the third gear engaged with the first gear, is fixedly installed several in the first gear and is run through
Gag lever post, the both ends of the gag lever post are against on the two sides inner wall of the ranging box respectively, are additionally provided in the ranging box
The ranging end of laser range finder, the laser range finder is stretched out except the ranging box.
Preferably, the strip groove for fixed link sliding is provided in the rail rods.
Preferably, the telescopic rod extension end is to be threadedly coupled with the connection type of the rail rods.
Preferably, the through-hole passed through for the rail rods, the diameter of the through-hole and the rail are provided on the ranging box
Road bar outer diameter is adapted.
Preferably, the bar shaped tooth plate and the rail rods level altogether to and length it is identical.
The present invention also provides the application methods of the measurement device of above-mentioned coal seam punching shape, comprising the following steps:
1) it is drilled using tool to coal seam, until drilling is connected to the hole of hydraulic flushing in hole;
2) first micromotor, the second micromotor and laser range finder is electrical with peripheral control unit respectively
Laser range finder and external display are electrically connected by connection, and display reads the numerical value of ranging for external staff;
3) push rail rods from drilling into hole using telescopic rod, until rail rods top is more than hole depth;
4) control ranging box reaches hole most deep, enables laser range finder and starts to measure void shape, per side clockwise
To a rotation ranging of 18 ° of progress, is recycled with this and resetted until being rotated by 360 ° rear laser range finder;
5) control ranging box enables laser range finder and starts to measure void shape to close to the mobile 0.25m in telescopic rod direction,
It is often rotated clockwise ranging of 18 ° of progress, is recycled with this and is resetted until being rotated by 360 ° rear laser range finder;
6) circulation step 5) until ranging box move distance is more than the hole depth of hole;
7) step 4)-step 6) acquisition data are summarized, draws out the shape and structure figure of hole.
Preferably, in step 4), the first micromotor is controlled using controller and is rotated, second gear and bar shaped tooth plate are passed through
Engagement control the slide displacement of the first micromotor and first gear.
Preferably, in step 4), the second micromotor is controlled using controller and is rotated, third gear and first gear are passed through
Engagement control the swing offset of ranging box.
The beneficial effects of the present invention are: the laser range finder measurement accuracy that the present invention uses is high, and laser range finder is every
18 ° of progress rangings are rotated, more comprehensively, data are more reliable for coverage area;Recording laser rangefinder is moved forward and backward distance simultaneously, can be with
Accurately reflect punching hole form;Long-range control measurement operation carries out, and reduces manual operation, measurement error is effectively reduced;This hair
Bright can realize efficiently and accurately makes cavities hole diameter, hole depth measurement, restores hole form, while easy to operate, accurately may be used
It leans on, it is adaptable.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of scheme of installation of the measurement device of coal seam punching shape provided in an embodiment of the present invention;
Fig. 2 is first gear provided in an embodiment of the present invention, the connection schematic diagram of the first micromotor and bar shaped tooth plate;
Fig. 3 is ranging box provided in an embodiment of the present invention, the second micromotor, second gear, first gear and track
The connection schematic diagram of bar.
Description of symbols:
1, telescopic rod, 2, rail rods, 3, ranging box, 4, first gear, 5, bar shaped tooth plate, the 6, first micromotor, 7,
Two gears, the 8, second micromotor, 9, third gear, 10, fixed link, 11, gag lever post, 12, laser range finder.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1 to Figure 3, a kind of measurement device of coal seam punching shape, including telescopic rod 1, the telescopic rod 1 are stretched
Outlet is connected with hollow rail rods 2, and ranging box 3 is nested in the rail rods 2, be provided in the ranging box 3 with it is described
The first gear 4 that rail rods 2 are slidably connected, the first gear 4, the ranging box 3 and 2 coaxial line of the rail rods are set
It sets, fixed link 10 is fixed in the first gear 4, the fixed link 10 pierces into described far from one end of the first gear 4
2 inside of rail rods is simultaneously fixed with the first micromotor 6, and the output shaft of first micromotor 6 is provided with second gear 7, institute
The bar shaped tooth plate 5 for being additionally provided in rail rods 2 and engaging with the second gear 7 is stated, is further fixed on 3 inner wall of ranging box
Two micromotors 8, the output shaft of second micromotor 8 are connected with the third gear 9 engaged with the first gear 4, institute
It states and is fixedly installed several in first gear 4 for its perforative gag lever post 11, the both ends of the gag lever post 11 just connect respectively
The two sides inner wall of the ranging box 3 is touched, laser range finder 12, the laser range finder are additionally provided in the ranging box 3
12 ranging end is stretched out except the ranging box 3.
The strip groove for the fixed link 10 sliding is provided in the rail rods 2.
1 extension end of telescopic rod is to be threadedly coupled with the connection type of the rail rods 2.
The through-hole passed through for the rail rods 2, the diameter of the through-hole and the rail rods 2 are provided on the ranging box 3
Outer diameter is adapted.
The bar shaped tooth plate 5 and the rail rods 2 it is horizontal altogether to and length it is identical.
The present invention also provides the application methods of the measurement device of above-mentioned coal seam punching shape, comprising the following steps:
1) it is drilled using tool to coal seam, until drilling is connected to the hole of hydraulic flushing in hole;
2) first micromotor, the second micromotor and laser range finder is electrical with peripheral control unit respectively
Laser range finder and external display are electrically connected by connection, and display reads the numerical value of ranging for external staff;
3) push rail rods from drilling into hole using telescopic rod, until rail rods top is more than hole depth;
4) control ranging box reaches hole most deep, enables laser range finder and starts to measure void shape, first side clockwise
To a rotation ranging of 18 ° of progress, and so on until be rotated by 360 ° the reset of rear laser range finder, then rotate counterclockwise
Ranging of 18 ° of progress, and so on resetted until being rotated by 360 ° rear laser range finder, guarantee the electric wire used in the device not
Winding damage can occur;
5) control ranging box enables laser range finder and starts to measure void shape to close to the mobile 0.25m in telescopic rod direction,
First be rotated clockwise ranging of 18 ° of progress, and so on resetted until being rotated by 360 ° rear laser range finder, then inverse time
Needle direction rotates ranging of 18 ° of progress, and so on resetted until being rotated by 360 ° rear laser range finder, guarantee to use in the device
To electric wire will not occur winding damage;
6) circulation step 5) until ranging box move distance is more than the hole depth of hole;
7) step 4)-step 6) acquisition data are summarized, draws out the shape and structure figure of hole.
In step 4), the first micromotor 6 is controlled using controller and is rotated, nibbling for second gear 7 and bar shaped tooth plate 5 is passed through
It closes, the first micromotor 6 drives the slide displacement of itself and first gear 4, and drives ranging box one simultaneously using gag lever post 11
Play movement.
In step 4), the second micromotor 8 is controlled using controller and is rotated, nibbling for third gear 9 and first gear 4 is passed through
It closes to control the swing offset of ranging box 3.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of measurement device of coal seam punching shape, it is characterised in that: including telescopic rod (1), the stretching of the telescopic rod (1)
End is connected with hollow rail rods (2), is nested with ranging box (3) on the rail rods (2), is provided in the ranging box (3)
The first gear (4) being slidably connected with the rail rods (2), the first gear (4), the ranging box (3) and the rail
Road bar (2) is coaxially set, and is fixed with fixed link (10) on the first gear (4), and the fixed link (10) is far from described the
One end of one gear (4) is pierced into the rail rods (2) inside and is fixed with the first micromotor (6), first micromotor
(6) output shaft is provided with second gear (7), is additionally provided with the item engaged with the second gear (7) in the rail rods (2)
Shape tooth plate (5) is further fixed on the second micromotor (8) on ranging box (3) inner wall, second micromotor (8) it is defeated
Shaft is connected with the third gear (9) engaged with the first gear (4), is fixedly installed on the first gear (4) several
It is a that by its perforative gag lever post (11), the both ends of the gag lever post (11) are against respectively on the two sides inner wall of the ranging box (3),
It is additionally provided with laser range finder (12) in the ranging box (3), the ranging is stretched out at the ranging end of the laser range finder (12)
Except box (3).
2. a kind of measurement device of coal seam punching shape as described in claim 1, it is characterised in that: on the rail rods (2)
It is provided with the strip groove for the fixed link (10) sliding.
3. a kind of measurement device of coal seam punching shape as described in claim 1, it is characterised in that: the telescopic rod (1) is stretched
Outlet is to be threadedly coupled with the connection type of the rail rods (2).
4. a kind of measurement device of coal seam punching shape as described in claim 1, it is characterised in that: on the ranging box (3)
It is provided with the through-hole passed through for the rail rods (2), the diameter of the through-hole is adapted with the rail rods (2) outer diameter.
5. a kind of measurement device of coal seam punching shape as described in claim 1, it is characterised in that: the bar shaped tooth plate (5)
With the rail rods (2) it is horizontal altogether to and length it is identical.
6. a kind of application method of such as measurement device of punching shape in coal seam described in any one of claim 1 to 5, feature exist
In: the following steps are included:
1) it is drilled using tool to coal seam, until drilling is connected to the hole of hydraulic flushing in hole;
2) first micromotor (6), the second micromotor (8) and laser range finder (12) are controlled with outside respectively
Device is electrically connected, and laser range finder (12) and external display are electrically connected;
3) push rail rods (2) from drilling into hole using telescopic rod (1), until rail rods (2) top is more than that hole is deep
Degree;
4) control ranging box (3) reaches hole most deep, enables laser range finder (12) and starts to measure void shape, per clockwise
Direction rotates ranging of 18 ° of progress, is recycled with this and is resetted until being rotated by 360 ° rear laser range finder (12);
5) control ranging box (3) enables laser range finder (12) and starts measured hole to close to the mobile 0.25m in telescopic rod (1) direction
Hole shape is often rotated clockwise ranging of 18 ° of progress, is recycled with this until being rotated by 360 ° rear laser range finder (12) again
Position;
6) circulation step 5) until ranging box (3) move distance is more than the hole depth of hole;
7) step 4)-step 6) acquisition data are summarized, draws out the shape and structure figure of hole.
7. the application method of the measurement device of punching shape in coal seam as claimed in claim 6, it is characterised in that: in step 4),
It is rotated using controller control the first micromotor (6), controls the by engaging for second gear (7) and bar shaped tooth plate (5)
The slide displacement of one micromotor (6) and first gear (4).
8. the application method of the measurement device of punching shape in coal seam as claimed in claim 6, it is characterised in that: in step 4),
It is rotated using controller control the second micromotor (8), survey is controlled by engaging for third gear (9) and first gear (4)
Swing offset away from box (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910312174.4A CN110056344B (en) | 2019-04-18 | 2019-04-18 | Device for measuring shape of punched hole of coal seam and using method thereof |
Applications Claiming Priority (1)
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CN201910312174.4A CN110056344B (en) | 2019-04-18 | 2019-04-18 | Device for measuring shape of punched hole of coal seam and using method thereof |
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CN110056344A true CN110056344A (en) | 2019-07-26 |
CN110056344B CN110056344B (en) | 2020-04-10 |
Family
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CN201910312174.4A Active CN110056344B (en) | 2019-04-18 | 2019-04-18 | Device for measuring shape of punched hole of coal seam and using method thereof |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111608585A (en) * | 2020-05-29 | 2020-09-01 | 太原理工大学 | Large-diameter gas extraction drilling and pore-forming device and method |
CN114352258A (en) * | 2021-12-28 | 2022-04-15 | 河南理工大学 | Coal mine underground gas outburst-eliminating drilling coal pit peeping device and method based on laser |
CN114352259A (en) * | 2021-12-28 | 2022-04-15 | 河南理工大学 | Coal mine underground gas outburst-eliminating drilling coal pit peeping device and method based on ultrasonic waves |
CN116066081A (en) * | 2023-01-17 | 2023-05-05 | 东北石油大学 | Laser range finder for measuring perforation depth and range finding method |
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CN114352259A (en) * | 2021-12-28 | 2022-04-15 | 河南理工大学 | Coal mine underground gas outburst-eliminating drilling coal pit peeping device and method based on ultrasonic waves |
CN116066081A (en) * | 2023-01-17 | 2023-05-05 | 东北石油大学 | Laser range finder for measuring perforation depth and range finding method |
CN116066081B (en) * | 2023-01-17 | 2024-01-23 | 东北石油大学 | Laser range finder for measuring perforation depth and range finding method |
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