CN104931579A - Underground detection probe for shaft well - Google Patents
Underground detection probe for shaft well Download PDFInfo
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- CN104931579A CN104931579A CN201510321317.XA CN201510321317A CN104931579A CN 104931579 A CN104931579 A CN 104931579A CN 201510321317 A CN201510321317 A CN 201510321317A CN 104931579 A CN104931579 A CN 104931579A
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- inclusion body
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- vertical shaft
- probe
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Abstract
The invention provides an underground detection probe for a shaft well. The probe comprises a containing body, the upper portion of the containing body is in a hollow cylindrical shape, the lower portion of the containing body is in an inverted-cone cylindrical shape, multiple first through holes used for installing cameras are formed in the lower bottom face of the lower portion of the containing body, the multiple cameras are installed in the first through holes, multiple first blind holes used for installing magnetic method probes are further formed in the inner wall of the lower portion of the containing body, the first blind holes are each provided with a magnetic method probe internally, multiple second through holes used for installing eddy current probes are formed in the inner side wall of the upper portion of the containing body, the second through holes are each provided with an eddy current probe internally, multiple second blind holes are further formed in the inner side wall, located below the second through holes, of the upper portion of the containing body, and the second blind holes are each provided with a magnetic method probe internally. By means of the underground detection probe, data obtained through the detection are abundant, so that the subsequent detection result is made to be more accurate.
Description
Technical field
The present invention relates to technical field of nondestructive testing, is specifically a kind of vertical shaft underground for probing probing head for shaft cylinder wall defects detection.
Background technology
Current publication number is that the Chinese patent application of CN104391036A discloses the vertical shaft such as a kind of vertical shaft hole diameter defect inspection method, particularly gas storage well, oil storage well.It utilizes the magnetic of shaft wall self, by measuring the magnetic field intensity of vertical shaft inside, the variable quantity of field decay amount and hole diameter carries out check and evaluation to the mass property of vertical shaft, it discloses the change utilizing fluxgate sensor and eddy displacement sensor to detect magnetic field intensity and hole diameter respectively, and pass through the lifting of Electric Machine Control magnetic vector sensor and eddy displacement sensor, by transmission line, the change of the eddy current signal of detection and pit shaft internal magnetic field Strength Changes value are transferred in computing machine, computing machine is by obtaining the change curve of magnetic field intensity and hole diameter size thus detecting the hole diameter defect of vertical shaft.But this detection method does not disclose its sensor adopted and how to install, if be directly installed in the detection probe of vertical shaft by these two kinds of sensors, then owing to failing to be affixed with the borehole wall, Detection results there will be deviation.
Summary of the invention
Technical matters to be solved by this invention is, overcomes the defect of prior art, provides the more accurate vertical shaft underground for probing probing head of a kind of testing result.
For solving the problems of the technologies described above, the present invention proposes a kind of vertical shaft underground for probing probing head, it comprises inclusion body, inclusion body top is hollow cylindrical shape, inclusion body bottom is hollow inverted cone tubular, the bottom surface of described inclusion body bottom is provided with multiple the first through hole for installing camera, multiple camera is arranged in the first through hole, the inwall of described inclusion body bottom is also provided with multiple the first blind hole for installing magnetic method probe, described each first blind hole is all different to the distance of inclusion body lower central position, a magnetic method probe is equipped with in described each first blind hole, the madial wall on described inclusion body top is provided with multiple the second through hole for installing eddy current probe, an eddy current probe is installed in each second through hole, the below madial wall on described inclusion body top being positioned at the second through hole is also provided with multiple second blind hole, a magnetic method probe is equipped with in described each second blind hole.
After adopting said apparatus, observed by the picture signal of camera to down-hole situation, by the magnetic field intensity of diverse location in the magnetic method probe detection well in the first blind hole, by the magnetic field intensity of magnetic method probe detection near borehole wall place in the second blind hole, by the hole diameter of the eddy current probe detection vertical shaft in the second through hole, these data are sent in computing machine by the mode of signal wire or wireless transmission by vertical shaft underground for probing probing head, for the subsequent treatment of computing machine, this device can detect the magnetic field intensity signal of the regional in well, the image of the regional in well can also be observed, but also can well radius variations be detected, the data detected are abundanter, make follow-up testing result more accurate.
Described first through hole has three, and described first through hole is evenly distributed on the bottom surface of inclusion body bottom.Adopt this structure, the image of 360 degree of down-hole can be seen, can accomplish there is no dead angle.
Described first blind hole has four.
Described second through hole has eight, and the madial wall on inclusion body top is uniformly distributed circumferentially.Adopt this structure, the hole diameter detecting vertical shaft is more accurate.
Described second blind hole has ten, and the madial wall on inclusion body top is uniformly distributed circumferentially.Adopt this structure, the magnetic field intensity of the borehole wall of vertical shaft can be detected more exactly, make the detection of defect and judge more accurate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic diagram of the vertical shaft defect detecting system that the present invention applies.
As shown in the figure: 1, inclusion body top, 2, inclusion body bottom, the 3, first through hole, the 4, first blind hole, the 5, second blind hole, the 6, second through hole, 7, support, 8 jacking gears, 9 whirligigs.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
As Figure 1-Figure 2, the present invention proposes a kind of vertical shaft underground for probing probing head, it comprises inclusion body, inclusion body top 1 is hollow cylindrical shape, inclusion body bottom 2 is hollow inverted cone tubular, the bottom surface of described inclusion body bottom 2 is provided with multiple the first through hole 3 for installing camera, multiple camera is arranged in the first through hole 3, the inwall of described inclusion body bottom 2 is also provided with multiple the first blind hole 4 for installing magnetic method probe, described each first blind hole 4 is all different to the distance of center, inclusion body bottom 2, a magnetic method probe is equipped with in described each first blind hole 4, the madial wall on described inclusion body top 1 is provided with multiple the second through hole 6 for installing eddy current probe, in each second through hole 6, an eddy current probe is installed, the below madial wall on described inclusion body top 1 being positioned at the second through hole 6 is also provided with multiple second blind hole 5, a magnetic method probe is equipped with in described each second blind hole 5.
Fig. 2 is the schematic diagram of the vertical shaft defect detecting system that the present invention applies, support 7 is for erecting jacking gear 8, jacking gear 8 mostly is winch, jacking gear 8 is connected with vertical shaft underground for probing probing head by hawser, generally the top of vertical shaft underground for probing probing head also connects a whirligig, whirligig adopts motor, can control the rotation of vertical shaft underground for probing probing head.
After adopting said apparatus, observed by the picture signal of camera to down-hole situation, by the magnetic field intensity of diverse location in the magnetic method probe detection well in the first blind hole, by the magnetic field intensity of magnetic method probe detection near borehole wall place in the second blind hole, by the hole diameter of the eddy current probe detection vertical shaft in the second through hole, these data are sent in computing machine by the mode of signal wire or wireless transmission by vertical shaft underground for probing probing head, for the subsequent treatment of computing machine, this device can detect the magnetic field intensity signal of the regional in well, the image of the regional in well can also be observed, but also can well radius variations be detected, the data detected are abundanter, make follow-up testing result more accurate.
Described first through hole 3 has three, and described first through hole 3 is evenly distributed on the bottom surface of inclusion body bottom 2.Adopt this structure, the image of 360 degree of down-hole can be seen, can accomplish there is no dead angle.Certain first through hole 3 also can be four, five even more, but as long as be multiple then all should within the application's protection domain.
Described first blind hole 4 has four.Generally arrange 4 magnetic methods to pop one's head in; but also can arrange more or less; as 3,5 etc.; as long as but on the bottom surface of inclusion body bottom 2, be provided with multiple first blind hole then all should within the application's protection domain, described magnetic method probe adopts fluxgate sensor in this application.
Described second through hole 6 has eight, and the madial wall on inclusion body top 1 is uniformly distributed circumferentially.Adopt this structure, the hole diameter detecting vertical shaft is more accurate.The quantity of the second through hole should not be limited in actual applications, although this application provides reasonable quantity, as long as the second through hole is multiple, then all should within the application's protection domain.
Eddy current probe in the application adopts eddy displacement sensor.
Described second blind hole 5 has ten, and the madial wall on inclusion body top 1 is uniformly distributed circumferentially.Adopt this structure, the magnetic field intensity of the borehole wall of vertical shaft can be detected more exactly, make the detection of defect and judge more accurate.The quantity of the second blind hole should not be limited in actual applications, although this application provides reasonable quantity, as long as the second blind hole is multiple, then all should within the application's protection domain.Described magnetic method probe adopts fluxgate sensor in this application.
Claims (5)
1. a vertical shaft underground for probing probing head, it comprises inclusion body, inclusion body top is hollow cylindrical shape, inclusion body bottom is hollow inverted cone tubular, the bottom surface of described inclusion body bottom is provided with multiple the first through hole for installing camera, multiple camera is arranged in the first through hole, it is characterized in that: the inwall of described inclusion body bottom is also provided with multiple the first blind hole for installing magnetic method probe, described each first blind hole is all different to the distance of inclusion body lower central position, a magnetic method probe is equipped with in described each first blind hole, the madial wall on described inclusion body top is provided with multiple the second through hole for installing eddy current probe, an eddy current probe is installed in each second through hole, the below madial wall on described inclusion body top being positioned at the second through hole is also provided with multiple second blind hole, a magnetic method probe is equipped with in described each second blind hole.
2. vertical shaft underground for probing probing head according to claim 1, it is characterized in that: described first through hole has three, described first through hole is evenly distributed on the bottom surface of inclusion body bottom.
3. vertical shaft underground for probing probing head according to claim 1, is characterized in that: described first blind hole has four.
4. vertical shaft underground for probing probing head according to claim 1, is characterized in that: described second through hole has eight, and the madial wall on inclusion body top is uniformly distributed circumferentially.
5. vertical shaft underground for probing probing head according to claim 1, is characterized in that: described second blind hole has ten, and the madial wall on inclusion body top is uniformly distributed circumferentially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510321317.XA CN104931579A (en) | 2015-06-12 | 2015-06-12 | Underground detection probe for shaft well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510321317.XA CN104931579A (en) | 2015-06-12 | 2015-06-12 | Underground detection probe for shaft well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104931579A true CN104931579A (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510321317.XA Pending CN104931579A (en) | 2015-06-12 | 2015-06-12 | Underground detection probe for shaft well |
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| CN (1) | CN104931579A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198723A (en) * | 2016-07-07 | 2016-12-07 | 江苏方天电力技术有限公司 | A kind of detection device and method of bolt bottoming hole inner surface cracks |
Citations (7)
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|---|---|---|---|---|
| US4292589A (en) * | 1979-05-09 | 1981-09-29 | Schlumberger Technology Corporation | Eddy current method and apparatus for inspecting ferromagnetic tubular members |
| US20040177681A1 (en) * | 2002-04-05 | 2004-09-16 | Harthorn Larry K. | Internal riser inspection device and methods of using same |
| CN103134855A (en) * | 2013-01-28 | 2013-06-05 | 张峰 | Underground gas storage well wall automation comprehensive detection system and detection method |
| CN104391036A (en) * | 2014-12-09 | 2015-03-04 | 中国石油集团川庆钻探工程有限公司 | Gas storage well hole diameter defect detection method |
| CN204255864U (en) * | 2014-12-09 | 2015-04-08 | 中国石油集团川庆钻探工程有限公司 | Magnetic detection rotating device for bottom seal head of gas storage well |
| CN204255874U (en) * | 2014-12-09 | 2015-04-08 | 中国石油集团川庆钻探工程有限公司 | Underground video observation system for gas storage well |
| CN204731192U (en) * | 2015-06-12 | 2015-10-28 | 宁波市鄞州磁泰电子科技有限公司 | Vertical shaft underground for probing probing head |
-
2015
- 2015-06-12 CN CN201510321317.XA patent/CN104931579A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4292589A (en) * | 1979-05-09 | 1981-09-29 | Schlumberger Technology Corporation | Eddy current method and apparatus for inspecting ferromagnetic tubular members |
| US20040177681A1 (en) * | 2002-04-05 | 2004-09-16 | Harthorn Larry K. | Internal riser inspection device and methods of using same |
| CN103134855A (en) * | 2013-01-28 | 2013-06-05 | 张峰 | Underground gas storage well wall automation comprehensive detection system and detection method |
| CN104391036A (en) * | 2014-12-09 | 2015-03-04 | 中国石油集团川庆钻探工程有限公司 | Gas storage well hole diameter defect detection method |
| CN204255864U (en) * | 2014-12-09 | 2015-04-08 | 中国石油集团川庆钻探工程有限公司 | Magnetic detection rotating device for bottom seal head of gas storage well |
| CN204255874U (en) * | 2014-12-09 | 2015-04-08 | 中国石油集团川庆钻探工程有限公司 | Underground video observation system for gas storage well |
| CN204731192U (en) * | 2015-06-12 | 2015-10-28 | 宁波市鄞州磁泰电子科技有限公司 | Vertical shaft underground for probing probing head |
Non-Patent Citations (1)
| Title |
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| 林炎 等: "油气管内壁缺陷的微磁检测技术", 《无损探伤》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198723A (en) * | 2016-07-07 | 2016-12-07 | 江苏方天电力技术有限公司 | A kind of detection device and method of bolt bottoming hole inner surface cracks |
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Application publication date: 20150923 |