CN202362272U - Rubber probe device for magnetic flux leakage testing of wellhead of petroleum drilling tool - Google Patents
Rubber probe device for magnetic flux leakage testing of wellhead of petroleum drilling tool Download PDFInfo
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- CN202362272U CN202362272U CN2011204939504U CN201120493950U CN202362272U CN 202362272 U CN202362272 U CN 202362272U CN 2011204939504 U CN2011204939504 U CN 2011204939504U CN 201120493950 U CN201120493950 U CN 201120493950U CN 202362272 U CN202362272 U CN 202362272U
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- rubber probe
- magnetic flux
- probe socket
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Abstract
The utility model discloses a rubber probe device for magnetic flux leakage testing of a wellhead of a petroleum drilling tool. The device comprises an anti-explosion magnetic flux leakage/main magnetic flux upper coil box, an anti-explosion magnetic flux leakage/main magnetic flux lower coil box, a rubber probe seat and a sensor array module, wherein an annular counter hole is formed at the inner end of the rubber probe seat; the sensor array module is arranged in the annular counter hole; a connecting cylinder is arranged at the position, which is close to the edge, between the anti-explosion magnetic flux leakage/main magnetic flux upper coil box and the anti-explosion magnetic flux leakage/main magnetic flux lower coil box; and a spring is arranged between the outer end of the rubber probe seat and the inner wall of the connecting cylinder. According to the utility model, through the action of the spring, a large lift-off distance is reserved between the sensor array module in the rubber probe seat and the surface of a drilling rod; the rubber probe device has automatic centering function and is in a floating state, can be closely adhered to the surface of the drill rod and can bear the circumferential impact of the drill rod, thereby meeting the technology requirement of the wellhead; and the rubber probe device can not be impacted and damaged while precisely detecting and is long in service life.
Description
Technical field
The utility model relates to a kind of oil drilling tools well head leakage magnetic detection device, relates in particular to a kind of oil drilling tools well head Magnetic Flux Leakage Inspecting that has the self-centering function and be in quick condition and uses the rubber probe apparatus.
Background technology
The defective that the drilling rod of oil drilling tools in use produces, corrosion and wearing and tearing, therefore the accidents such as can causing the drilling tool fracture that is above standard, carries out quality testing at well head to drilling rod, is significant.Adopt the leakage field method at well head drilling rod to be carried out Non-Destructive Testing, maximum difficulty is exactly the mounting means of sensor.Because Magnetic Flux Leakage Inspecting need just can obtain the metal surface that probe is close to drilling rod the magnetic leakage signal of stronger surface imperfection and corrosion and wearing and tearing; And drilling rod works the diameter difference of circumferential movement and the box cupling and the body of rod when putting and causes the probe designs difficulty; So it is accurate inadequately that existing oil drilling tools well head leakage magnetic detection device detects, and damage easily.
Summary of the invention
The purpose of the utility model is used the rubber probe apparatus with regard to being to provide in order to address the above problem a kind of oil drilling tools well head Magnetic Flux Leakage Inspecting that has the self-centering function and be in quick condition.
The utility model is realized above-mentioned purpose through following technical scheme:
The utility model comprises coil box on explosion-proof leakage field/main flux, explosion-proof leakage field/main flux lower coil box, rubber probe socket and sensor array module; The inner of said rubber probe socket is provided with annular counterbore; Said sensor array module places in the said annular counterbore; On said explosion-proof leakage field/main flux between coil box and the said explosion-proof leakage field/main flux lower coil box submarginal position be provided with connecting cylinder, be provided with spring between the outer end of said rubber probe socket and the inwall of said connecting cylinder.
During use, drilling rod is positioned at the center pit of rubber probe socket and can rises or descend.Under the effect of spring, sensor array module and drilling rod surface in the rubber probe socket have the bigger distance of lifting from, and have the self-centering function and are in quick condition, can be close to the drilling rod surface, can bear the circumferential impact of drilling tool again.
Particularly, said rubber probe socket comprises rubber probe socket upper plate, rubber probe socket lower plate and securing member, connects through said securing member between said rubber probe socket upper plate and the said rubber probe socket lower plate.
As preferably; The inner of the inner of said rubber probe socket upper plate and said rubber probe socket lower plate is provided with four annular counterbores of mutual dislocation separately; Said sensor array module is eight; Correspondence places in eight said annular counterbores respectively, and said sensor array module is uniformly distributed on the inner circumference of said rubber probe socket.Like this, sensor array module covers 360 degree scopes when detecting, and can not cause omission.
The upper surface of the lower surface of said rubber probe socket upper plate and said rubber probe socket lower plate is provided with the groove of inward-outward direction, and the signal cable of said sensor array module places in the said groove.
Said spring is 6, is uniformly distributed between the inwall circumference of outer end circumference and said connecting cylinder of said rubber probe socket.
Further, the upper surface of the lower surface of coil box and said explosion-proof leakage field/main flux lower coil box is respectively arranged with wear plate on said explosion-proof leakage field/main flux.
The beneficial effect of the utility model is:
(1) owing to employing rubber probe socket, continuous magnetic leakage detection detection of the robotization when the utility model realization drilling tool makes a trip and main flux wall-thickness measurement change, and speed soon, nothing is mechanical weares and teares, and has better practicability.
(2) leakage field coil in the utility model and main flux coil integrate, and can once accomplish drill tool corrosion, wearing and tearing and defects detection, can satisfy the well head technological requirement preferably;
(3) owing to do not visit wheel and visit boots; There is not comparatively complex mechanical construction such as cylinder, tracheae; Can realize clamping of sensor array module and self-centering and float that surge capability is strong through rubber probe socket 3, can adapt to preferably drilling tool rotational vibration and drilling tool box cupling pass through performance.
To sum up; The utility model makes sensor array module and drilling rod surface in its rubber probe socket have the bigger distance of lifting from through the effect of spring, has the self-centering function and is in quick condition, can be close to the drilling rod surface; Can bear the circumferential impact of drilling tool again, satisfy the well head technological requirement; While can not receive impact damage to the utility model detecting accurately, and the life-span is long.
Description of drawings
Fig. 1 is that main TV structure synoptic diagram cuts open in the office of the utility model;
Fig. 2 be among Fig. 1 center line with the enlarged drawing on a left side;
Fig. 3 be among Fig. 1 center line with the enlarged drawing on the right side;
Fig. 4 is the A-A cut-open view among Fig. 1;
Fig. 5 is the B-B cut-open view among Fig. 1.
Wherein, 1-drilling rod, coil box on the explosion-proof leakage field/main flux of 2-, 3-rubber probe socket; The 4-connecting cylinder, coil box feed cable on the explosion-proof leakage field/main flux of 5-, 6-probe signal output cable, the explosion-proof leakage field of 7-/main flux lower coil box feed cable; The explosion-proof leakage field of 8-/main flux lower coil box, 9-power slips installing plate, 10-sensor array module, 11-spring; 12-signals collecting connector, 13-signal cable, 14-signal conductor, 15-wear plate; The 16-securing member, 17-rubber probe socket lower plate, 18-rubber probe socket upper plate, 19-signal cable bundle.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
Like Fig. 1-shown in Figure 5; The utility model comprises coil box 2 on explosion-proof leakage field/main flux, explosion-proof leakage field/main flux lower coil box 8, rubber probe socket 3 and sensor array module 10; Rubber probe socket 3 comprises rubber probe socket upper plate 18, rubber probe socket lower plate 17 and securing member 16, connects through securing member 16 between rubber probe socket upper plate 18 and the rubber probe socket lower plate 17; The inner of the inner of rubber probe socket upper plate 18 and rubber probe socket lower plate 17 is provided with four annular counterbores (unmarked among the figure) of mutual dislocation separately; Sensor array module 10 is eight; Correspondence places in eight said annular counterbores respectively, and sensor array module 10 is uniformly distributed on the inner circumference of said rubber probe socket 3; On explosion-proof leakage field/main flux between coil box 2 and explosion-proof leakage field/main flux lower coil box 8 submarginal position be provided with connecting cylinder 4, be provided with spring 11 between the inwall of the outer end of rubber probe socket 3 and connecting cylinder 4.
As shown in Figure 4, the upper surface of the lower surface of rubber probe socket upper plate 18 and rubber probe socket lower plate 17 is provided with the groove (unmarked among the figure) of inward-outward direction, and the signal cable 13 of sensor array module 10 places in the said groove.
As shown in Figure 1, the upper surface of the lower surface of coil box 2 and explosion-proof leakage field/main flux lower coil box 8 is respectively arranged with wear plate 15 on explosion-proof leakage field/main flux.
In conjunction with Fig. 1-Fig. 5; During use; The utility model is installed on the power slips supporting disk through being positioned at explosion-proof leakage field/main flux lower coil box 8 following power slips installing plates 9; Coil box 2 and explosion-proof leakage field/main flux lower coil box 8 are respectively through coil box feed cable on explosion-proof leakage field/main flux 5 and explosion-proof leakage field/main flux lower coil box feed cable 7 on explosion-proof leakage field/main flux, and drilling rod 1 is positioned at the center pit of rubber probe socket 3 and can rises or descend.Under the effect of spring 11, the sensor array module 10 in the rubber probe socket 3 has the bigger distance of lifting from the surface of drilling rod 1, has the self-centering function and is in quick condition, can be close to the surface of drilling rod 1, can bear the circumferential impact of drilling rod again.
The signal conductor 14 of sensor array module 10 is delivered to signals collecting connector 12 with the magnetic leakage signal that sensor array module 10 detects through signal cable bundle 19, signal cable 13; And then through probe signal output cable 6 leakage field and main flux signal are seen off, carry out signal Processing through signal amplification, filtering, A/D conversion back to host computer.
Claims (6)
1. an oil drilling tools well head Magnetic Flux Leakage Inspecting is used the rubber probe apparatus; It is characterized in that: comprise coil box on explosion-proof leakage field/main flux, explosion-proof leakage field/main flux lower coil box, rubber probe socket and sensor array module; The inner of said rubber probe socket is provided with annular counterbore; Said sensor array module places in the said annular counterbore; On said explosion-proof leakage field/main flux between coil box and the said explosion-proof leakage field/main flux lower coil box submarginal position be provided with connecting cylinder, be provided with spring between the outer end of said rubber probe socket and the inwall of said connecting cylinder.
2. oil drilling tools well head Magnetic Flux Leakage Inspecting according to claim 1 is used the rubber probe apparatus; It is characterized in that: said rubber probe socket comprises rubber probe socket upper plate, rubber probe socket lower plate and securing member, connects through said securing member between said rubber probe socket upper plate and the said rubber probe socket lower plate.
3. oil drilling tools well head Magnetic Flux Leakage Inspecting according to claim 2 is used the rubber probe apparatus; It is characterized in that: the inner of the inner of said rubber probe socket upper plate and said rubber probe socket lower plate is provided with four annular counterbores of mutual dislocation separately; Said sensor array module is eight; Correspondence places in eight said annular counterbores respectively, and said sensor array module is uniformly distributed on the inner circumference of said rubber probe socket.
4. oil drilling tools well head Magnetic Flux Leakage Inspecting according to claim 2 is used the rubber probe apparatus; It is characterized in that: the upper surface of the lower surface of said rubber probe socket upper plate and said rubber probe socket lower plate is provided with the groove of inward-outward direction, and the signal cable of said sensor array module places in the said groove.
5. oil drilling tools well head Magnetic Flux Leakage Inspecting according to claim 1 is used the rubber probe apparatus, and it is characterized in that: said spring is 6, is uniformly distributed between the inwall circumference of outer end circumference and said connecting cylinder of said rubber probe socket.
6. oil drilling tools well head Magnetic Flux Leakage Inspecting according to claim 1 is used the rubber probe apparatus, it is characterized in that: the upper surface of the lower surface of coil box and said explosion-proof leakage field/main flux lower coil box is respectively arranged with wear plate on said explosion-proof leakage field/main flux.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011204939504U CN202362272U (en) | 2011-12-02 | 2011-12-02 | Rubber probe device for magnetic flux leakage testing of wellhead of petroleum drilling tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011204939504U CN202362272U (en) | 2011-12-02 | 2011-12-02 | Rubber probe device for magnetic flux leakage testing of wellhead of petroleum drilling tool |
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Publication Number | Publication Date |
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CN202362272U true CN202362272U (en) | 2012-08-01 |
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CN2011204939504U Expired - Fee Related CN202362272U (en) | 2011-12-02 | 2011-12-02 | Rubber probe device for magnetic flux leakage testing of wellhead of petroleum drilling tool |
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CN (1) | CN202362272U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105241950A (en) * | 2015-10-22 | 2016-01-13 | 安东检测有限公司 | Leakage flux probe shell, leakage flux probe and leakage flux testing device |
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 |
CN108761372A (en) * | 2018-08-09 | 2018-11-06 | 西红柿科技(武汉)有限公司 | A kind of magnetic leakage probe testboard |
CN114894886A (en) * | 2022-07-15 | 2022-08-12 | 国机传感科技有限公司 | Floating probe for pipeline detector |
-
2011
- 2011-12-02 CN CN2011204939504U patent/CN202362272U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105241950A (en) * | 2015-10-22 | 2016-01-13 | 安东检测有限公司 | Leakage flux probe shell, leakage flux probe and leakage flux testing device |
CN105241950B (en) * | 2015-10-22 | 2018-11-23 | 安东检测有限公司 | Magnetic leakage probe shell, magnetic leakage probe and Magnetic Flux Leakage Inspecting equipment |
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 |
CN108761372A (en) * | 2018-08-09 | 2018-11-06 | 西红柿科技(武汉)有限公司 | A kind of magnetic leakage probe testboard |
CN114894886A (en) * | 2022-07-15 | 2022-08-12 | 国机传感科技有限公司 | Floating probe for pipeline detector |
CN114894886B (en) * | 2022-07-15 | 2022-10-18 | 国机传感科技有限公司 | Floating probe for pipeline detector |
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20131202 |