CN108828487A - Non-magnetic drilling tool blank magnetic field gradient detection system calibration method - Google Patents
Non-magnetic drilling tool blank magnetic field gradient detection system calibration method Download PDFInfo
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- CN108828487A CN108828487A CN201810567168.9A CN201810567168A CN108828487A CN 108828487 A CN108828487 A CN 108828487A CN 201810567168 A CN201810567168 A CN 201810567168A CN 108828487 A CN108828487 A CN 108828487A
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- field gradient
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- drilling tool
- tool blank
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- 238000005553 drilling Methods 0.000 title claims abstract description 84
- 238000001514 detection method Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000523 sample Substances 0.000 claims abstract description 30
- 238000012360 testing method Methods 0.000 claims abstract description 27
- 230000006698 induction Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 230000003749 cleanliness Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
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- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to a kind of non-magnetic drilling tool blank magnetic field gradient detection system calibration methods, carry out in accordance with the following steps：Make a non-magnetic drilling tool blank magnetic field gradient detection calibration lining bar；Place detection calibration lining bar is detected in non-magnetic drilling tool blank using standard Magnetic Field gradient test probe, calibration lining bar is placed on trolley, trolley drives uniform motion by hoist engine, when by fixing standard Magnetic Field gradient test probe, standard Magnetic Field gradient test probe acquisition calibration lining bar magnetic gradient data, speed acquisition device records lining bar range ability, and according to acquisition data, gradient curve recorder draws out magnetic field gradient peak point at the magnetic field gradient curve and three of calibration lining bar；It is referred in a calibration process with magnetic field gradient peak point at magnetic field gradient curve and three, real-time live calibration is done to non-magnetic drilling tool blank magnetic field gradient detection system, the calibration to non-magnetic drilling tool blank magnetic field gradient detection system is completed, the detection demand of non-magnetic drilling tool blank magnetic field gradient is met.
Description
Technical field
The invention belongs to non-magnetic drilling tool blank magnetic field gradient detection fields, and in particular to a kind of non-magnetic drilling tool blank magnetic field ladder
Spend detection system calibration method.
Background technique
According to non-magnetic drilling tool blank magnetic field gradient testing requirements, need periodically to non-magnetic drilling tool blank magnetic field gradient detection system
Test parameter is calibrated, and non-magnetic drilling tool blank magnetic field gradient detection system includes magnetic field gradient detection probe, speed acquisition dress
It sets, gradient curve recorder.Measurement of magnetic field probe in non-magnetic drilling tool blank magnetic field gradient detection system is by two at a distance of 100mm
Concentric fluxgate sensor composition, structure are non-magnetic material encapsulation, magnetic induction intensity range of dynamic measurement 100000nT.Root
According to《JJF1591-2015 flux-gate magnetometer calibrating standard》, standard is put into using by magnetic field gradient detection probe when calibration method
In field system, the variation of gradient curve recorder record standard magnetic field gradient, to be examined to non-magnetic drilling tool blank magnetic field gradient
Examining system carries out static calibration.Scene is detected in blank magnetic field gradient, does not have such condition, can not accomplish non-magnetic drilling tool base
Expect the real-time field calibration of magnetic field gradient detection system.
Summary of the invention
It is provided a kind of based on magnetic field gradient calibration sample it is an object of the invention to overcome the deficiencies in the prior art
The non-magnetic drilling tool blank magnetic field gradient detection system calibration method of stick, for being done to non-magnetic drilling tool blank magnetic field gradient detection system
The calibration at scene.
To achieve the goals above, the technical solution adopted by the present invention is as follows：A kind of non-magnetic drilling tool blank magnetic field gradient inspection
The calibration method of examining system, it is characterised in that：
It carries out in accordance with the following steps：
Step 1）, piece non-magnetic drilling tool blank magnetic field gradient of production detection calibration lining bar；
Step 2）, using standard Magnetic Field gradient test probe non-magnetic drilling tool blank detect place detection calibration lining bar, draw out
Calibrate magnetic field gradient peak point at the magnetic field gradient curve and three of lining bar；In a calibration process, to calibrate the magnetic field gradient of lining bar
Magnetic field gradient peak point refers at curve and three, and the school at real-time scene is done to non-magnetic drilling tool blank magnetic field gradient detection system
It is quasi-.
In step 1）In, when making non-magnetic drilling tool blank magnetic field gradient detection calibration lining bar, lining bar is calibrated with material
Matter, surface smoothness and magnetic performance are with the identical one section of bar of corresponding non-magnetic drilling tool blank as lining bar ontology, length
3m；Lining bar ontology away from the first through hole for offering barred body central axis direction at stick end 900mm, straight away from the first through hole
Corresponding first through hole direction is set at linear distance 500mm and rotates 900The second through hole, away from the second through hole linear distance
Corresponding first through hole direction is offered at 600mm rotates 450Third through hole, through hole tapping above three, in three holes
In bolt is installed, the material of this bolt, magnetic performance are identical with corresponding non-magnetic drilling tool blank, and bolt length is calibration sample
The diameter of stick, it is 6 through-hole of φ that bolt, which is successively equidistantly opened up in the axial direction there are five diameter, is only put into a steel in each bolt
Ball, the magnetic induction intensity of steel ball are 1uT.The position of steel ball is long away from the other end bolt successively in the middle part of bolt and bolt end
At the 1/4 of degree, encapsulated with paraffin.
The through hole specification is M10, and the bolt specification being mounted in through hole is also M10.
In step 2）In, using standard Magnetic Field gradient test probe when non-magnetic drilling tool blank detects place test bar,
According to acquisition data, gradient curve recorder is drawn with lining bar having a size of horizontal axis, and lining bar Surface field gradient is having for the longitudinal axis
The magnetic field gradient curve graph of spike at three draws out magnetic field gradient peak point at the magnetic field gradient curve and three of calibration lining bar.
In step 2）In, scene is detected in non-magnetic drilling tool blank magnetic field gradient, the detection of non-magnetic drilling tool blank magnetic field gradient is used
Calibration lining bar is lifted to trolley, and trolley drives uniform motion by hoist engine, is visited by the standard Magnetic Field gradient test fixed
Head when, standard Magnetic Field gradient test probe acquisition calibration lining bar magnetic gradient data, speed acquisition device record lining bar operation away from
From i.e. lining bar length, according to acquisition data, gradient curve recorder is drawn with lining bar having a size of horizontal axis, lining bar Surface field ladder
Degree is the magnetic field gradient curve graph with spike at three of the longitudinal axis, and peak magnetic induction intensity is 0.08uT (900mm point) at three
0.04uT (1400m point) 0.035uT (2000mm point).
In step 2）In, place is detected in non-magnetic drilling tool blank, standard Magnetic Field gradient test probe is changed to no magnetic and is bored
Have blank magnetic field gradient detection probe, repeats step 2）, non-magnetic drilling tool blank magnetic field gradient detection system will three sections of lining bar of calibration
Known magnetic field gradient curved section reproduction.
Magnetic field gradient curved section known to three sections of lining bar being calibrated reappears, and peak magnetic induction intensity is 0.08uT at three
(900mm point) 0.04uT (1400m point) 0.035uT (2000mm point), meets non-magnetic drilling tool blank magnetic field gradient detection system
Magnetic induction intensity value tolerance ± 2.5%.
The good effect that technical solution of the present invention generates is as follows：In non-magnetic drilling tool blank magnetic field gradient detection process, benefit
With non-magnetic drilling tool blank magnetic field gradient detect with calibration lining bar, can in real time to non-magnetic drilling tool blank magnetic field gradient detection system into
Row calibration.By using such lining bar, scene is detected in non-magnetic drilling tool blank magnetic field gradient, it will calibration using measurement of magnetic field probe
The reproduction of magnetic field gradient curved section known to three sections of lining bar, completes the calibration of quasi- non-magnetic drilling tool blank magnetic field gradient detection system, full
The foot detection demand of non-magnetic drilling tool blank magnetic field gradient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of non-magnetic drilling tool blank magnetic field gradient detection calibration lining bar of the invention.
Fig. 2 is the A-A cross-sectional view of non-magnetic drilling tool blank magnetic field gradient detection calibration lining bar of the invention.
Fig. 3 is the B-B cross-sectional view of non-magnetic drilling tool blank magnetic field gradient detection calibration lining bar of the invention.
Fig. 4 is the C-C cross-sectional view of non-magnetic drilling tool blank magnetic field gradient detection calibration lining bar of the invention.
Fig. 5 is the structural schematic diagram of bolt of the invention.
Fig. 6 is calibration measurement initial position schematic diagram of the invention.
Fig. 7 is calibration measurement course location schematic diagram of the invention.
Fig. 8 is calibration measurement final position schematic diagram of the invention.
Fig. 9 is test curve figure of the invention.
In figure, 1 calibration lining bar, 2 first through holes, 3 second through holes, 4 third through holes, 5 bolts, 6 through-holes, 7
Steel ball, 8 standard Magnetic Field gradients test probe, 9 trolleies, 10 hoist engines, 11 gradient curve recorders, 12 speed acquisition devices.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is to non-magnetic drilling tool blank magnetic field gradient detection system calibration side of the invention
Method is further described and illustrates.
As shown, a kind of non-magnetic drilling tool blank magnetic field gradient detection system calibration method, carries out in accordance with the following steps：
Step 1）, piece non-magnetic drilling tool blank magnetic field gradient of production detection calibration lining bar 1；
Step 2）, using standard Magnetic Field gradient test probe 8 non-magnetic drilling tool blank detect place detection calibration lining bar 10, draw
Magnetic field gradient peak point at the magnetic field gradient curve and three of lining bar is calibrated out；In a calibration process, terraced to calibrate the magnetic field of lining bar
Magnetic field gradient peak point at line and three of writing music refers to, and does real-time scene to non-magnetic drilling tool blank magnetic field gradient detection system
Calibration.
In step 1）In, when making non-magnetic drilling tool blank magnetic field gradient detection calibration lining bar 1, calibrate lining bar 1 with
Material, surface smoothness and magnetic performance and standard answer the identical one section of bar of non-magnetic drilling tool blank as lining bar ontology, long
Spend 3m；Lining bar ontology away from the first through hole 2 for offering barred body central axis direction at stick end 900mm, run through away from first
Corresponding first through hole direction is set at the linear distance 500mm of hole and rotates 900The second through hole 3, straight away from the second through hole
Corresponding first through hole direction is offered at linear distance 600mm rotates 450Third through hole 4, through hole tapping above three,
Bolt 5 is installed in three holes, the material of this bolt 5, magnetic performance answer non-magnetic drilling tool blank identical with standard, and bolt 5 is long
Degree is the diameter of calibration lining bar, and it is 6 through-hole 6 of φ, each bolt 5 that bolt 5, which is successively equidistantly opened up in the axial direction there are five diameter,
In be only put into a steel ball 7, the magnetic induction intensity of steel ball is 1uT.The position of steel ball successively in the middle part of bolt and bolt end,
Away from the other end bolt length 1/4 at, encapsulated with paraffin.
2,3,4 specification of through hole is M10, and 5 specification of bolt being mounted in through hole is also M10.
In step 2）In, place test specimens stick 1 is detected in non-magnetic drilling tool blank using standard Magnetic Field gradient test probe 8
When, according to acquisition data, gradient curve recorder 11 is drawn with lining bar having a size of horizontal axis, and lining bar Surface field gradient is the longitudinal axis
Magnetic field gradient curve graph with spike at three draws out magnetic field gradient peak value at the magnetic field gradient curve and three of calibration lining bar
Point.
In step 2）In, scene is detected in non-magnetic drilling tool blank magnetic field gradient, the detection of non-magnetic drilling tool blank magnetic field gradient is used
The lifting of lining bar 1 is calibrated to trolley 9, trolley 9 drives uniform motion by hoist engine 10, surveys by the standard Magnetic Field gradient fixed
When probe header 8, standard Magnetic Field gradient test probe acquisition calibration lining bar magnetic gradient data, speed acquisition device 12 records lining bar
Range ability, i.e. lining bar length, according to acquisition data, gradient curve recorder 11 is drawn with lining bar having a size of horizontal axis, lining bar table
Face magnetic field gradient is the magnetic field gradient curve graph with spike at three of the longitudinal axis, and peak magnetic induction intensity is 0.08uT at three
(900mm point) 0.04uT (1400m point) 0.035uT (2000mm point).
In step 2）In, place is detected in non-magnetic drilling tool blank, standard Magnetic Field gradient test probe is changed to no magnetic and is bored
Have blank magnetic field gradient detection probe, repeats step 2）, non-magnetic drilling tool blank magnetic field gradient detection system will three sections of lining bar of calibration
Known magnetic field gradient curved section reproduction.
Magnetic field gradient curved section known to three sections of lining bar being calibrated reappears, and peak magnetic induction intensity is 0.08uT at three
(900mm point) 0.04uT (1400m point) 0.035uT (2000mm point), meets non-magnetic drilling tool blank magnetic field gradient detection system
Magnetic induction intensity value tolerance ± 2.5%.
In non-magnetic drilling tool blank magnetic field gradient detection process, detected using non-magnetic drilling tool blank magnetic field gradient with calibration sample
Stick can in real time calibrate non-magnetic drilling tool blank magnetic field gradient detection system.
The calibration for completing non-magnetic drilling tool blank magnetic field gradient detection system by this method, meets non-magnetic drilling tool blank
The detection demand of magnetic field gradient.
In short, a kind of non-magnetic drilling tool blank magnetic field gradient detection system calibration method disclosed in aforementioned present invention, according to such as
Lower step carries out：Step 1）, piece non-magnetic drilling tool blank magnetic field gradient of production detection calibration lining bar；Step 2）, utilize standard
Magnetic field gradient test probe detects place detection calibration lining bar in non-magnetic drilling tool blank, and calibration lining bar 1 is placed on trolley 9, trolley 9
Uniform motion is driven by hoist engine 10, when testing probe 8 by the standard Magnetic Field gradient fixed, the test of standard Magnetic Field gradient
Probe acquisition calibration lining bar magnetic gradient data, speed acquisition device 12 record lining bar range ability, i.e. lining bar length, according to adopting
Collect data, gradient curve recorder 11 draws out magnetic field gradient peak point at the magnetic field gradient curve and three of calibration lining bar；In school
During standard, magnetic field gradient peak point is referred at the magnetic field gradient curve and three to calibrate lining bar, to non-magnetic drilling tool blank magnetic
Field gradient detection system does the calibration at real-time scene.
Claims (7)
1. a kind of non-magnetic drilling tool blank magnetic field gradient detection system calibration method, it is characterised in that：It carries out in accordance with the following steps：
Step 1）, piece non-magnetic drilling tool blank magnetic field gradient of production detection calibration lining bar；
Step 2）, using standard Magnetic Field gradient test probe detect place detection calibration lining bar in non-magnetic drilling tool blank, gradient is bent
Line recorder draws out magnetic field gradient peak point at the magnetic field gradient curve and three of calibration lining bar；In a calibration process, with calibration
Magnetic field gradient peak point refers at the magnetic field gradient curve of lining bar and three, does to non-magnetic drilling tool blank magnetic field gradient detection system
The calibration at scene in real time.
2. a kind of non-magnetic drilling tool blank magnetic field gradient detection system calibration method according to claim 1, it is characterised in that：
In step 1）In, when making non-magnetic drilling tool blank magnetic field gradient detection calibration lining bar, lining bar is calibrated with material, surface light
Cleanliness and magnetic performance and standard answer the identical one section of bar of non-magnetic drilling tool blank as lining bar ontology, length 3m；Lining bar sheet
Body away from the first through hole for offering barred body central axis direction at stick end 900mm, away from the first through hole linear distance
Corresponding first through hole direction is set at 500mm and rotates 900The second through hole, away from the second through hole linear distance 600mm
Place offers corresponding first through hole direction and rotates 450Third through hole, through hole tapping above three installs in three holes
There is bolt, the material of this bolt, magnetic performance answer non-magnetic drilling tool blank identical with standard, and bolt length is calibrate lining bar straight
Diameter, it is 6 through-hole of φ that bolt, which is successively equidistantly opened up in the axial direction there are five diameter, is only put into a steel ball, steel in each bolt
The magnetic induction intensity of ball is 1uT, and the position of steel ball is successively in the middle part of bolt and bolt end, 1/ away from the other end bolt length
At 4, encapsulated with paraffin.
3. a kind of non-magnetic drilling tool blank magnetic field gradient detection system calibration method according to claim 2, it is characterised in that：
The through hole specification is M10, and the bolt specification being mounted in through hole is also M10.
4. a kind of non-magnetic drilling tool blank magnetic field gradient detection system calibration method according to claim 1, it is characterised in that：
In step 2）In, using standard Magnetic Field gradient test probe when non-magnetic drilling tool blank detects place test specimens stick, according to acquisition
Data, gradient curve recorder are drawn with lining bar having a size of horizontal axis, and lining bar Surface field gradient has spike at three for the longitudinal axis
Magnetic field gradient curve graph, draw out calibration lining bar magnetic field gradient curve and three at magnetic field gradient peak point.
5. a kind of non-magnetic drilling tool blank magnetic field gradient detection system calibration method according to claim 1, it is characterised in that：
In step 2）In, scene, non-magnetic drilling tool blank magnetic field gradient detection calibration lining bar are detected in non-magnetic drilling tool blank magnetic field gradient
Lifting to trolley, trolley drives uniform motion by hoist engine, when popping one's head in by the standard Magnetic Field gradient test fixed, standard
Magnetic field gradient test probe acquisition calibration lining bar magnetic gradient data, speed acquisition device record lining bar range ability, i.e. lining bar
Length, according to acquisition data, gradient curve recorder is drawn with lining bar having a size of horizontal axis, and lining bar Surface field gradient is the longitudinal axis
Magnetic field gradient curve graph with spike at three, peak magnetic induction intensity is 0.08uT (900mm point) 0.04uT (1400m at three
Point) 0.035uT (2000mm point).
6. a kind of non-magnetic drilling tool blank magnetic field gradient detection system calibration method according to claim 1, it is characterised in that：
In step 2）In, place is detected in non-magnetic drilling tool blank, standard Magnetic Field gradient test probe is changed to non-magnetic drilling tool blank magnetic
Field gradient detection probe repeats step 2）, non-magnetic drilling tool blank magnetic field gradient detection system, will calibrate three sections of lining bar known to magnetic
The reproduction of field gradient curved section.
7. a kind of non-magnetic drilling tool blank magnetic field gradient detection system calibration method according to claim 1, it is characterised in that：
Magnetic field gradient curved section known to three sections of lining bar being calibrated reappears, and peak magnetic induction intensity is 0.08uT (900mm point) at three
0.04uT (1400m point) 0.035uT (2000mm point), meets non-magnetic drilling tool blank magnetic field gradient detection system magnetic induction intensity
It is worth tolerance ± 2.5%.
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|---|---|---|---|
| CN201810567168.9A CN108828487B (en) | 2018-06-05 | 2018-06-05 | Calibration method of magnetic field gradient detection system for non-magnetic drilling tool blank |
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|---|---|---|---|
| CN201810567168.9A CN108828487B (en) | 2018-06-05 | 2018-06-05 | Calibration method of magnetic field gradient detection system for non-magnetic drilling tool blank |
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| CN108828487B CN108828487B (en) | 2020-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515018A (en) * | 2019-09-25 | 2019-11-29 | 河南中原特钢装备制造有限公司 | A kind of measurement method of no magnetic centralizer relative permeability |
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|---|---|---|---|---|
| SU1185282A1 (en) * | 1984-03-11 | 1985-10-15 | Омский политехнический институт | Method of checking moving-coil instruments |
| JPS60218079A (en) * | 1984-04-13 | 1985-10-31 | Mitsubishi Electric Corp | Magnetic force meter testing instrument |
| CN101251584A (en) * | 2008-04-09 | 2008-08-27 | 武汉大学 | Three-axis magnetometer calibration method and three-axis magnetic gradiometer calibration method |
| CN105259529A (en) * | 2015-11-23 | 2016-01-20 | 上海卫星装备研究所 | Device and method of calibration of satellite magnetic field test system |
| CN205301251U (en) * | 2016-01-09 | 2016-06-08 | 石家庄钢铁有限责任公司 | Quick convenient rotatory supersound calibration lining bar of calibration |
-
2018
- 2018-06-05 CN CN201810567168.9A patent/CN108828487B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1185282A1 (en) * | 1984-03-11 | 1985-10-15 | Омский политехнический институт | Method of checking moving-coil instruments |
| JPS60218079A (en) * | 1984-04-13 | 1985-10-31 | Mitsubishi Electric Corp | Magnetic force meter testing instrument |
| CN101251584A (en) * | 2008-04-09 | 2008-08-27 | 武汉大学 | Three-axis magnetometer calibration method and three-axis magnetic gradiometer calibration method |
| CN105259529A (en) * | 2015-11-23 | 2016-01-20 | 上海卫星装备研究所 | Device and method of calibration of satellite magnetic field test system |
| CN205301251U (en) * | 2016-01-09 | 2016-06-08 | 石家庄钢铁有限责任公司 | Quick convenient rotatory supersound calibration lining bar of calibration |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515018A (en) * | 2019-09-25 | 2019-11-29 | 河南中原特钢装备制造有限公司 | A kind of measurement method of no magnetic centralizer relative permeability |
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