CN202330359U - Sensor device for automatic wellhead leakage magnetic flow detector of petroleum drilling tool - Google Patents
Sensor device for automatic wellhead leakage magnetic flow detector of petroleum drilling tool Download PDFInfo
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- CN202330359U CN202330359U CN 201120481275 CN201120481275U CN202330359U CN 202330359 U CN202330359 U CN 202330359U CN 201120481275 CN201120481275 CN 201120481275 CN 201120481275 U CN201120481275 U CN 201120481275U CN 202330359 U CN202330359 U CN 202330359U
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Abstract
The utility model discloses a sensor device for a wellhead leakage magnetic flow detector of a petroleum drilling tool and relates to the technical field of design and manufacture of wellhead nondestructive testing equipment of the petroleum drilling tool. The sensor device comprises a fixed disk, magnetic coils and a probe assembly, wherein the probe assembly is fixedly arranged between the two magnetic coils; the magnetic coil positioned at the lower part of the sensor device is fixedly arranged on the fixed disk; and the fixed disk is arranged on a left support plate and a right support plate of an automatic power slip. According to the sensor device disclosed by the utility model, automatic continuous flow detection during drilling operation can be realized and better practicability is obtained.
Description
Technical field
The utility model relates to the design and the manufacturing technology field of oil drilling tools well head non-destructive detecting device, exactly relates to the sensor device of the automatic leakage magnetic flow detector of drilling tool well head.
Background technology
Major defect at the labour drilling rod body of rod shows as transversal crack, hole (piercing through), wall thickness reduction (wall thickness reduction can be caused by wearing and tearing or large tracts of land corrosion), burn into corrosion etc.
In the prior art, oil drilling tools well head the cannot-harm-detection device is among development improves, and is CN2718577Y like notification number, and the day for announcing is that the Chinese patent document on August 17th, 2005 discloses a kind of portable drilling tool defectoscope.
In drilling process, therefore drilling rod, often carry out quality testing to drilling rod because wearing and tearing can cause the accident.Usually adopt the leakage field method that drilling tools such as drilling rod are carried out Non-Destructive Testing, and magnetic field is adopted two blocks of permanent magnets, DC electromagnet or alternating electromagnetism iron usually.When adopting permanent magnet to make magnetizationization device, owing to its magnetic field a little less than, need be close on the drilling rod; Need two blocks of permanent magnets and drilling rod surface be closely cooperated when therefore detecting; When drilling rod is filled into drill pipe sub, need with two blocks of permanent magnets separately can't realize that robotization detects; And take electromagnet to do greatlyyer in magnetic field, and the electromagnet endoporus can be done very greatly, and the drilling rod body of rod, joint can freely pass, and are convenient to realize that continuous and automatic detects.
The composition of this patent comprises: the leakage field probe, and described leakage field probe is through being fixed in the probe holder, and described probe holder is installed in the browpiece, and described browpiece is fixed on well head.
When making a trip; Because permanent magnet is close to surface of drill stem, when therefore playing the drilling coupling position, must be separately with two blocks of permanent electric magnet; Treat again two blocks of permanent magnets to be close to drilling rod body of rod surface after drilling coupling passes, therefore can't realize the automatic continuous detecting of well head drilling tool.
The utility model content
For solving the problems of the technologies described above, the utility model provides the sensor device of the automatic leakage magnetic flow detector of a kind of oil drilling tools well head, the utility model can realize when the trip-out operation that robotization detects a flaw continuously, has better practicability.
The utility model is realized through adopting following technical proposals:
A kind of sensor device of drilling tool well head leakage magnetic flow detector; It is characterized in that: comprise shaft collar, magnetizing coil, probe assembly; The probe assembly is fixed between two magnetizing coils, and the magnetizing coil that is positioned at the bottom is fixed on the shaft collar, and shaft collar is installed on the back up pad of the power slips left and right sides.
Said magnetizing coil exciting current is about 20A, and first preheating began to detect in 10 minutes again.
Described probe assembly comprises visits wheel, spy wheel arm, spy wheel arm holder one, wheel arm holder two, cylinder, cylinder block, probe retainer plate; Visiting the wheel two ends is angle sheave; Visiting the wheel middle part be Hall element, visits the wheel middle part and to visit the wheel arm integrally welded, visit wheel arm bottom through bearing pin with visit wheel arm holder one and take turns arm holder two with spy and be connected; Probe arm middle part is connected with cylinder through bearing pin, and the cylinder rear portion is connected with cylinder block through bearing pin.
Said probe arm and the high low level dual mode that is connected with of visiting the wheel arm, high-order 4 of connecting i.e. symmetry visit the wheel arms and visit wheel arm holder one and is connected, and low level connects promptly in addition 4 of symmetry to be visited the wheel arms and visits wheel arm holder two and be connected, and two groups of spies are taken turns just and are staggered.
Said spy wheel is close to surface of drill stem, and said spy wheel forms the magnetic vacuum shielding.
The source of the gas air pressure of said cylinder is between 0.3～0.6MPa.
Totally 8 on described spy wheel; Each is embedded with a plurality of Hall elements in the middle of visiting wheel; The spy wheel of per 2 symmetries is 1 group; Being divided into is 4 groups, and the magnetic leakage signal of 4 passages is delivered to magnetic leakage signal respectively through the magnetic leakage signal bunch of cables and gathered cable one and magnetic leakage signal collection cable two, sends into the host computer entering signal respectively and handles.
Also comprise degaussion coil and retainer plate, described retainer plate is installed in the magnetizing coil upper surface, and degaussion coil is fixed on retainer plate, and said degaussion coil is with the magnetizing coil processing of demagnetizing in the magnetic field that surface of drill stem produces.
Compared with prior art, the beneficial effect of the utility model shows:
(1) compared with prior art, owing to adopt d-c solenoid, the continuous magnetic leakage detection of robotization when the utility model realization drilling tool makes a trip detects, and has better practicability.
(2) the probe assembly in the utility model; Be fixed on the spy wheel arm owing to visiting wheel, spy wheel arm is connected through bearing pin and spy wheel arm holder, and cylinder is connected with spy wheel arm but only bears push-pull effort; When therefore drilling tool makes a trip cylinder had only push-pull effort; The lever construction of visiting the wheel arm born the friction strength that drilling tool pulls out of hole or bores direction down, add that the slip of visiting wheel has alleviated the influence of drilling tool to the friction force of visiting the wheel arm, and the assembly of therefore popping one's head in has satisfied the make a trip requirement of operating mode of drilling well.
(3) the probe assembly of this reality in novel is installed in the probe retainer plate, and is in limited circumferential quick condition, circumferential micromotion requirement in the time of can satisfying drilling tool and remove.
(4) the probe assembly in the utility model adopts cylinder to carry out dynamic bit and give up the throne, and has played the buffer action of air spring, makes that visiting wheel can carry out rotational vibration with drilling tool, play servo-actuated centering buffer action, has satisfied the make a trip requirement of operating mode of drilling well.
(5) take to visit wheel construction in the utility model, and Hall element is installed by bearing therebetween, can drilling coupling through the time give up the throne automatically, drilling coupling through after automatically reset.
Description of drawings
To combine Figure of description and embodiment that the utility model is done further to specify below, wherein:
Fig. 1 is the utility model device elevation drawing;
Fig. 2 is a D-D cut-open view among Fig. 1;
Fig. 3 is that the A of Fig. 2 is to view;
Fig. 4 is that the B of Fig. 2 is to view;
1, power slips, 2, power slips left and right sides back up pad, 3, shaft collar, 4, flame proof heat radiation magnetizing coil, 5, the probe assembly; 6, retainer plate, 7, flame proof heat radiation degaussion coil, 8, visit wheel, 9, visit the wheel arm, 10, visit wheel arm holder 1; 11, probe retainer plate, 12, cylinder, 13, cylinder block, 14, the threeway of cylinder carry, 15, the cylinder threeway of giving up the throne; 16, probe arm holder 2,17, cylinder carry tracheae, 18, the cylinder tracheae of giving up the throne, 19, magnetic leakage signal gathers bunch of cables, 20 magnetic leakage signal are gathered cable; 21 magnetic leakage signal are gathered cable 1,22, magnetic leakage signal and are gathered cable 2,23, the cylinder quick gas joint of giving up the throne, and 24, the quick gas joint of cylinder carry.
Embodiment
Embodiment 1
The utility model provides a kind of sensor device of drilling tool well head leakage magnetic flow detector; Comprise shaft collar, magnetizing coil, probe assembly; Probe always is fixed between two magnetizing coils; The magnetizing coil of bottom is fixed on the shaft collar, and shaft collar is installed on the back up pad of the power slips left and right sides, and passes through bolt.Said magnetizing coil exciting current is about 20A, and first preheating began to detect in 10 minutes again.The assembly of popping one's head in comprises visiting takes turns, visits wheel arm, spy wheel arm holder one, spy wheel arm holder two, cylinder, cylinder block, probe retainer plate; Probe wheel two ends are angle sheave; In the middle part of the probe wheel is Hall element, and it is welding integral with spy wheel arm that probe is taken turns the middle part, and spy wheel arm bottom is connected with spy wheel arm holder two with spy wheel arm holder one through bearing pin; Probe arm middle part is connected with cylinder through bearing pin, and the cylinder rear portion is connected with cylinder block through bearing pin.Said probe assembly is in quick condition at probe in the retainer plate, and the assembly of promptly popping one's head in can be with the circumferential finite motion of drilling tool, but can not rotate, and has satisfied the circumferential micromotion when drilling tool removes.Extending or the shortening of said cylinder, during the cylinder elongation, the probe wheel is close to surface of drill stem, and when the drilling tool rotational vibration, cylinder plays buffer action simultaneously, and when cylinder shortened to initial bit, the spy wheel was return initial position, is convenient to drilling tool and passes through.Said probe arm and the high low level dual mode that is connected with of visiting the wheel arm; High-order connection i.e. 4 spy wheel arms of symmetry is connected with spy wheel arm holder one; It is that 4 symmetrical in addition spy wheel arms are connected with spy wheel arm holder two that low level connects; Visit the wheel height for two groups and stagger, the movement interference when having avoided carry and having given up the throne.Said spy wheel can drilling coupling through the time give up the throne automatically and reset, prevent that drilling coupling from breaking probe.Said spy wheel is close to surface of drill stem, makes Hall element and surface of drill stem keep the distance of confirming.Said spy wheel forms the magnetic vacuum shielding, has alleviated the influence of magnetic field back pressure to the drilling tool defect magnetic flux leakage field.Comprise cylinder, the threeway of cylinder carry and cylinder give up the throne threeway, cylinder carry tracheae, cylinder give up the throne tracheae, cylinder give up the throne quick gas joint, the quick gas joint of cylinder carry.The quick gas joint of described cylinder carry is connected with cylinder carry tracheae, is connected with cylinder through the threeway of cylinder carry then; Cylinder quick gas joint and the cylinder tracheae of giving up the throne of giving up the throne is connected, and is connected with cylinder through the cylinder threeway of giving up the throne again.The source of the gas air pressure of said cylinder is between 0.3～0.6MPa.Comprise that also visiting wheel, magnetic leakage signal collection cable, magnetic leakage signal collection bunch of cables, magnetic leakage signal collection cable one and magnetic leakage signal gathers cable two; Totally 8 on described spy wheel; Each is embedded with a plurality of Hall elements in the middle of visiting wheel, and the spy wheel of per 2 symmetries is 1 group, and being divided into is 4 groups; The magnetic leakage signal of 4 passages is delivered to magnetic leakage signal respectively through the magnetic leakage signal bunch of cables and is gathered cable one and magnetic leakage signal collection cable two, sends into the host computer entering signal respectively and handles.The quantitative data analytical technology is adopted in described magnetic leakage signal collection, adopts 4 passage independent processing; Avoid the defective of single-pass process, realize the precise classification of defective, reduce the erroneous judgement of useful drilling rod and scrap failing to judge of drilling rod; Because the wall thickness to drilling rod adopts 4 autonomous channels to handle, and is accurate and visual, the alarm threshold of checkout equipment adopts the software adjustment; Signal(l)ing condition can adopt macroscopic view or refinement to show, realizes the accurate flaw detection of surface of drill stem state.Said probe retainer plate places the magnetic vacuum zone with the Hall element of visiting in the wheel, owing to eliminated the influence of magnetic back pressure, makes drilling tool defect and magnetic leakage signal become big, the detection signal sensitivity that helps improving defective.Also comprise degaussion coil and retainer plate, described retainer plate is installed in the magnetizing coil upper surface, and degaussion coil is fixed on the retainer plate.Said degaussion coil is with the magnetizing coil processing of demagnetizing in the magnetic field that surface of drill stem produces.Said probe assembly, respectively corresponding three kinds of drill pipe diameters commonly used, promptly corresponding different drill pipe diameter should be installed the probe assembly of different size respectively.To the drilling rod of 3 kinds of specifications, designed respectively and visited wheel.At present, be difficult to also accomplish that a kind of probe satisfies the requirement of the drilling rod flaw detection of plurality of specifications simultaneously, main cause is that the radius-of-curvature of the corresponding probe of every kind of specification drilling rod is different, and can not differ too big according to the requirement probe internal diameter and the drilling rod external diameter of input.The magnetic detection probe is split into eight part obvolvents on tested drilling rod, and orienting lug is moved up and down by the effect of cylinder.During detection, probe closes up; Detect when accomplishing, probe opens.
During the trip-out operating mode; A kind of 375 type power slips are installed in the 375 type rotating disk turntables, and scraper is installed below power slips, then the utility model device is lifted;, make the utility model device be installed in power slips left and right sides back up pad and form on the supporting disk its past transferring from the drilling tool top.
On when carrying drill string, when its box cupling near visiting wheel, visit wheel and give up the throne automatically, get out of the way box cupling, after box cupling passes through, visit wheel and automatically reset, be close to the drilling rod surface.
In the trip-out process, after the drilling rod specification changes, should hold under the situation of drilling rod at power slips, shackle, hang away drill string after, change corresponding probe assembly according to drill pipe diameter.
When having detected last root drilling rod, the utility model device is pulled down from the power slips supporting disk.
In the time of need power slips being taken out rotating disk; At first remove the utility model device that is installed on its supporting disk; With the up ejected position that is in of slips body, rotate power slips rotating disk pin and break away from the hole of shipping and reselling on another market on the rotating disk then, go out power slips with special-purpose Suspension hanger hook block and get final product.
During trip-out, drill string is diminished by size, therefore when operating personnel find the drilling rod size decreases, should change the probe assembly.
Under the drilling well during driller's condition; A kind of 375 type power slips are installed in the 375 type rotating disk turntables, scraper can be installed, then the utility model device is lifted;, make the utility model device be installed in power slips left and right sides back up pad and form on the supporting disk its past transferring from the drilling tool top.
When transferring drill string, when its box cupling near probe, visit wheel and give up the throne automatically, treat that box cupling passes through after, visit wheel and automatically reset, be close to the drilling rod surface.
Transfer in the drilling tool process, after the drilling rod specification changes, should hold under the situation of drilling rod, change the probe assembly of corresponding specification according to drill pipe diameter at power slips.
Under when boring, when operating personnel find to insert the drilling rod of bigger specification, should change the probe assembly of corresponding specification in advance.All the other are with implementing 2.
During the trip-out operating mode; A kind of 275 type power slips are installed in the 275 type rotating disk turntables, and scraper is installed below power slips, then the utility model device is lifted;, make the utility model device be installed in power slips left and right sides back up pad and form on the supporting disk its past transferring from the drilling tool top.All the other are with implementing 2.
Claims (8)
1. the sensor device of a drilling tool well head leakage magnetic flow detector; It is characterized in that: comprise shaft collar, magnetizing coil, probe assembly; The probe assembly is fixed between two magnetizing coils, and the magnetizing coil that is positioned at the bottom is fixed on the shaft collar, and shaft collar is installed on the back up pad of the power slips left and right sides.
2. the sensor device of drilling tool well head leakage magnetic flow detector according to claim 1 is characterized in that: said magnetizing coil exciting current is 20A.
3. the sensor device of drilling tool well head leakage magnetic flow detector according to claim 1; It is characterized in that: described probe assembly comprises visits wheel, spy wheel arm, spy wheel arm holder one, wheel arm holder two, cylinder, cylinder block, probe retainer plate; Visiting the wheel two ends is angle sheave; Visiting the wheel middle part be Hall element, visits the wheel middle part and to visit the wheel arm integrally welded, visit wheel arm bottom through bearing pin with visit wheel arm holder one and take turns arm holder two with spy and be connected; Probe arm middle part is connected with cylinder through bearing pin, and the cylinder rear portion is connected with cylinder block through bearing pin.
4. according to the sensor device of claim 1 or 3 described drilling tool well head leakage magnetic flow detectors; It is characterized in that: said probe arm and the high low level dual mode that is connected with of visiting the wheel arm; High-order connection i.e. 4 spy wheel arms of symmetry is connected with spy wheel arm holder one; It is that 4 symmetrical in addition spy wheel arms are connected with spy wheel arm holder two that low level connects, and two groups of spies are taken turns height and staggered.
5. the sensor device of drilling tool well head leakage magnetic flow detector according to claim 4 is characterized in that: said spy wheel is close to surface of drill stem, and said spy wheel forms the magnetic vacuum shielding.
6. the sensor device of drilling tool well head leakage magnetic flow detector according to claim 4 is characterized in that: the source of the gas air pressure of said cylinder is between 0.3～0.6MPa.
7. the sensor device of drilling tool well head leakage magnetic flow detector according to claim 4; It is characterized in that: totally 8 on described spy wheel; Each is embedded with a plurality of Hall elements in the middle of visiting wheel, and the spy wheel of per 2 symmetries is 1 group, and being divided into is 4 groups; The magnetic leakage signal of 4 passages is delivered to magnetic leakage signal respectively through the magnetic leakage signal bunch of cables and is gathered cable one and magnetic leakage signal collection cable two, sends into the host computer entering signal respectively and handles.
8. the sensor device of drilling tool well head leakage magnetic flow detector according to claim 4; It is characterized in that: also comprise degaussion coil and retainer plate; Described retainer plate is installed in the magnetizing coil upper surface; Degaussion coil is fixed on retainer plate, and said degaussion coil is with the magnetizing coil processing of demagnetizing in the magnetic field that surface of drill stem produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120481275 CN202330359U (en) | 2011-11-28 | 2011-11-28 | Sensor device for automatic wellhead leakage magnetic flow detector of petroleum drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120481275 CN202330359U (en) | 2011-11-28 | 2011-11-28 | Sensor device for automatic wellhead leakage magnetic flow detector of petroleum drilling tool |
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| Publication Number | Publication Date |
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| CN202330359U true CN202330359U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120481275 Expired - Fee Related CN202330359U (en) | 2011-11-28 | 2011-11-28 | Sensor device for automatic wellhead leakage magnetic flow detector of petroleum drilling tool |
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| CN (1) | CN202330359U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223267A (en) * | 2015-10-12 | 2016-01-06 | 清华大学 | Ferromagnetic component off-line leakage field imaging detection device and method |
| CN105842336A (en) * | 2016-05-05 | 2016-08-10 | 中国石油集团渤海钻探工程有限公司 | Drill rod wellhead detection device |
| CN107655965A (en) * | 2017-10-19 | 2018-02-02 | 中国石油集团渤海钻探工程有限公司 | Test probe of magnetic flux leakage for drill pipe part and detection method |
| CN109113709A (en) * | 2018-10-19 | 2019-01-01 | 中国石油大学(北京) | It is installed on the drill string damage well head on-Line Monitor Device for boring disk |
| CN113514537A (en) * | 2021-09-02 | 2021-10-19 | 安庆市安科精机有限责任公司 | Sucker rod magnetic flux leakage flaw detector and use method thereof |
-
2011
- 2011-11-28 CN CN 201120481275 patent/CN202330359U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223267A (en) * | 2015-10-12 | 2016-01-06 | 清华大学 | Ferromagnetic component off-line leakage field imaging detection device and method |
| CN105223267B (en) * | 2015-10-12 | 2018-05-29 | 清华大学 | The offline leakage field imaging detection device of ferromagnetic component and method |
| CN105842336A (en) * | 2016-05-05 | 2016-08-10 | 中国石油集团渤海钻探工程有限公司 | Drill rod wellhead detection device |
| CN107655965A (en) * | 2017-10-19 | 2018-02-02 | 中国石油集团渤海钻探工程有限公司 | Test probe of magnetic flux leakage for drill pipe part and detection method |
| CN109113709A (en) * | 2018-10-19 | 2019-01-01 | 中国石油大学(北京) | It is installed on the drill string damage well head on-Line Monitor Device for boring disk |
| CN109113709B (en) * | 2018-10-19 | 2023-10-17 | 中国石油大学(北京) | Drill string damage wellhead on-line monitoring device mounted on drilling disc surface |
| CN113514537A (en) * | 2021-09-02 | 2021-10-19 | 安庆市安科精机有限责任公司 | Sucker rod magnetic flux leakage flaw detector and use method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20171128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |