CN201688830U - Tube end inner wall measuring apparatus with video-endoscope of automatic centering drill pipe - Google Patents
Tube end inner wall measuring apparatus with video-endoscope of automatic centering drill pipe Download PDFInfo
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- CN201688830U CN201688830U CN2010201501584U CN201020150158U CN201688830U CN 201688830 U CN201688830 U CN 201688830U CN 2010201501584 U CN2010201501584 U CN 2010201501584U CN 201020150158 U CN201020150158 U CN 201020150158U CN 201688830 U CN201688830 U CN 201688830U
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Abstract
The utility model relates to a tube end inner wall measuring apparatus of a dill pipe, in particular to a tube end inner wall measuring apparatus with a video-endoscope of an automatic centering drill pipe. The measuring apparatus is characterized in that the measuring apparatus is of a spilt-type structure, and is formed by the connection of a measuring unit and a control display unit through a flexible cable; the measuring unit comprises a measuring unit mechanism frame, an automatic centering device which is bolted on the end surface on one side of the measuring unit mechanism frame, and a mechanical movement device which is fixedly installed in the measuring unit mechanism frame and provided with an optical probe at one end; and the control display unit comprises a light source, a servo control electrical system, an image processing software, an industrial control computer and a high-resolution flat panel touch liquid crystal display. The measuring apparatus can perform measurement and observation on tube end inner walls, including tube end thickened transition regions of semi-finished drill pipes and finished complete drill pipes.
Description
Technical field
The utility model relates to a kind of drill rod pipe end inwall measuring instrument, and particularly a kind of self-centering drill rod pipe end inwall measuring instrument with video-endoscope is applied to petroleum pipeline engineering field.
Background technology
One of main failure forms of the drilling rod that oil and gas well drilling is used be since in the drilling process mud gush the immense pressure that produces, make that " piercing through " and phenomenon of rupture take place addition thick transition area in the drill rod pipe end, cause whole drilling life of drill pipe to reduce or scrap.Therefore for the planform of addition thick transition area in the drill rod pipe end and size must be in the drilling rod production run standard in addition.Just stipulated in American Petroleum Institute (API) (API) standard the requirement of addition thick transition area in the drill rod pipe end along the length M iu inspection and acceptance of drill rod axis direction, each drilling rod factory has also proposed corresponding company standard, as the requirement of just having stipulated in the Shell Oil Co.'s standard addition thick transition area in the drill rod pipe end is tested and checked and accepted along the zone of transition contour curve of drill rod axis direction.The requirement of these inspection and acceptances must realize addition thick transition area measurement in the drill rod pipe end by means of certain method and means.Patent 200820152005.6 has proposed addition thick transition area measuring instrument in a kind of drill rod pipe end, use ring of light imaging method technology, under the drive of precision linear module driving mechanism, fluorescence detector can enter drill rod pipe end inside fast, and utilize the image processing software system that inner-walls of duct is carried out three-dimensional measurement, carry out online defects detection simultaneously, reach 300mm along drill rod axis orientation measurement length, the measurement of thickening the semi-manufacture drilling rod when mainly being applicable in the drill pipe body after the thickening with the drill pipe sub welding in the past.Because the petroleum gas drilling rod after the actual well drilled certain depth uses certain hour, needs again the complete drilling rod pipe internal surface of finished product to be checked detection, evaluates rank again according to the situations such as erosion corrosion of the complete drilling rod of finished product and determines to repair or scrap.This 200820152005.6 patent just has the following disadvantages: 1. the addition thick transition area measuring instrument is located on the whole measuring instrument stand in its drill rod pipe end, is difficult to and the drilling rod center in the production scene, causes measuring error to increase.2. reach 300mm along drill rod axis orientation measurement length and can not satisfy the complete drilling rod of finished product measurement length requirement along the drill rod axis direction after drill pipe sub is welded.3. can not satisfy the requirement that people intuitively observe in line defect complete drill rod pipe end inwall.Therefore be necessary to invent a kind of complete drill rod pipe end inwall of novel finished product measuring instrument of the people's of being more suitable for production application.
Summary of the invention
The purpose of this utility model provides a kind of self-centering drill rod pipe end inwall measuring instrument with video-endoscope, can measure and observe the pipe end inwall of addition thick transition area in the pipe end that comprises semi-manufacture drilling rod or the complete drilling rod of finished product.
The technical solution of the utility model is: design a kind of self-centering drill rod pipe end inwall measuring instrument with video-endoscope, it is characterized in that: it is a split-type structural, is to be connected to form by flexible cable by measuring unit and control display unit; Measuring unit by measuring unit institutional framework, bolt at the self-centering apparatus of measuring unit institutional framework one side end face be fixedly mounted on the mechanical movement means that a end in the measuring unit institutional framework has an optic probe and form; The control display unit comprises light source, servocontrol electrical system, image processing software, industrial control computer, high resolving power plane liquid crystal touch control display.
Described self-centering apparatus comprises three-jaw centering chuck, drilling rod end face positioning element, and drilling rod end face positioning element bolt is in measuring unit institutional framework one side end face, and the three-jaw centering chuck is fixedly mounted on the drilling rod end face positioning element.
Described optic probe is fixedly mounted on a side of mechanical movement means, and optic probe comprises ring of light imaging method pick-up unit and video-endoscope pick-up unit; Ring of light imaging method pick-up unit comprises loop laser generator, conical reflector, transparent organic glass pipe, front ring of light image-forming objective lens, ring of light imaging CCD/CMOS imageing sensor, and order is arranged at an end in the optic probe successively; The video-endoscope pick-up unit comprises optical fibers, side industrial video object lens, the industrial video imaging CCD/CMOS imageing sensor that is arranged at the other end in the optic probe, and side industrial video object lens are arranged on the top of industrial video imaging CCD/CMOS imageing sensor.
Described side industrial video objective lens field of view is 120 °～140 °.
Described mechanical movement means comprises linear motion device and circular motion apparatus; Linear motion device comprises linear module, mobile platform, drive motor, and circular motion apparatus comprises swivel bearing, rotary frame, rotary drive motor; Mobile platform is connected with linear module with the linear guides slide block by the ball-screw nut of linear module, drive motor is connected with the ball-screw of linear module by shaft coupling, swivel bearing is fixedly connected on the measuring unit institutional framework, rotary frame and rotary drive motor are fixedly connected on the mobile platform, and rotary frame is connected by shaft coupling with rotary drive motor.
The rectilinear motion stroke of described mobile platform is 900 millimeters, surpasses 600 millimeters along the length of drill rod axis orientation measurement and observation, and the rotation angle range of described rotary frame is 360 °.
The utility model has the advantages that: 1) measuring instrument has the function of cross section, footpath internal diameter, axle section profile and the length of transition zone (straight section, tapered section) measuring new, old drilling rod or thickeied the interior addition thick transition area endoporus of semi-manufacture drilling rod; 2) measuring unit of measuring instrument directly is fixed on the drilling rod to be measured by the three-jaw centering chuck, and self-centering is consistent the optical detection system centre of measuring instrument and drilling rod to be measured center; 3) measuring instrument not only can be measured fast to addition thick transition area in the drill rod pipe end, and can by video-endoscope to drilling rod inner wall surface situation particularly rejected region directly observe; 4) measuring instrument mechanical movement means rectilinear motion stroke is 900 millimeters, can be above 600 millimeters along the length of drill rod axis orientation measurement and observation.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is a kind of self-centering drill rod pipe end inwall measuring instrument structural representation with video-endoscope;
Fig. 2 is an optic probe system architecture synoptic diagram.
Among the figure: 1, three-jaw centering chuck; 2, drilling rod end face positioning element; 3, measuring unit institutional framework; 4, optic probe; 5, swivel bearing; 6, rotary frame; 7, linear module; 8, mobile platform; 9, rotary drive motor; 10, drive motor; 11, flexible cable; 12, high resolving power plane liquid crystal touch control display; 13, loop laser generator; 14, conical reflector; 15, transparent organic glass pipe; 16, front ring of light image-forming objective lens; 17, ring of light imaging CCD/CMOS imageing sensor; 18, optical fibers; 19, side industrial video object lens; 20, industrial video imaging CCD/CMOS imageing sensor; 21, light source; 22, servocontrol electrical system; 23, image processing software; 24, industrial control computer.
Embodiment
As shown in Figure 1 and Figure 2, a kind of self-centering drill rod pipe end inwall measuring instrument with video-endoscope, it is characterized in that: it is a split-type structural, is to be connected to form by flexible cable 11 by measuring unit and control display unit.
At drilling rod production testing scene, drill rod pipe end to be measured is inserted the measuring unit of self-centering drill rod pipe end inwall measuring instrument with video-endoscope, three-jaw centering chuck 1 by self-centering apparatus on the measuring unit directly is fixed on measuring unit institutional framework 3 on the drilling rod to be measured with drilling rod end face positioning element 2, and self-centering is consistent the optical detection system centre of measuring instrument and drilling rod to be measured center like this; Described measuring unit is a complete absolute construction, it by measuring unit institutional framework 3, bolt at the self-centering apparatus of measuring unit institutional framework 3 one side end faces be fixedly mounted on the mechanical movement means that a end in the measuring unit institutional framework 3 has an optic probe 4 and form; Described self-centering apparatus comprises three-jaw centering chuck 1, drilling rod end face positioning element 2, and drilling rod end face positioning element 2 bolts are in measuring unit institutional framework 3 one side end faces, and three-jaw centering chuck 1 is fixedly mounted on the drilling rod end face positioning element 2; Optic probe 4 comprises ring of light imaging method pick-up unit and video-endoscope pick-up unit, described ring of light imaging method pick-up unit comprises loop laser generator 13, conical reflector 14, transparent organic glass pipe 15, front ring of light image-forming objective lens 16, ring of light imaging CCD/CMOS imageing sensor 17, and order is arranged at an end in the optic probe 4 successively; Described video-endoscope pick-up unit comprises optical fibers 18, side industrial video object lens 19, the industrial video imaging CCD/CMOS imageing sensor 20 that is arranged at the other end in the optic probe 4, and wherein side industrial video object lens 19 are arranged on the top of industrial video imaging CCD/CMOS imageing sensor 20; Mechanical movement means comprises linear motion device and circular motion apparatus, and linear motion device comprises linear module 7, mobile platform 8, drive motor 10, and circular motion apparatus comprises swivel bearing 5, rotary frame 6, rotary drive motor 9.Mobile platform 8 is connected with linear module 7 with the linear guides slide block by the ball-screw nut of linear module 7, drive motor 10 is connected by the ball-screw of shaft coupling with linear module 7, swivel bearing 5 is fixedly connected on the measuring unit institutional framework 3, rotary frame 6 and rotary drive motor 9 are fixedly connected on the mobile platform 8, and rotary frame 6 and rotary drive motor 9 are connected by shaft coupling.The measuring unit of this measuring instrument is connected with the control display unit of this measuring instrument by flexible cable 11, the control display unit is a high-performance integrated system, comprises light source 21, servocontrol electrical system 22, image processing software 23, industrial control computer 24, high resolving power plane liquid crystal touch control display 12.When measuring instrument is measured, drive motor 10 by servocontrol electrical system 22 control mechanical movement means on the measuring unit makes optic probe 4 quick tangential movements to drill rod pipe end inside by precision linear module 7 drive mobile platforms 8, mobile platform 8 rectilinear motion strokes are 900 millimeters, along the length of drill rod axis orientation measurement and observation above 600 millimeters; Loop laser generator 13 by conical reflector 14 through transparent organic glass pipe 15 the circle structure light ring is reflexed to the tested inside surface of drill rod pipe end comprise on the addition thick transition area, the reflection ring of light is imaged on the ring of light imaging CCD/CMOS imageing sensor 17 by front ring of light image-forming objective lens 16, the signal that this ccd video camera collects is sent to industrial control computer 24 by flexible cable 11, shows in real time that through image processing software 23 shaft section endoporus internal diameter and contour images result are on high resolving power plane liquid crystal touch control display 12; When appearance is overproof, because the rotation angle range of rotary frame 6 can reach 360 °, the rotary drive motor 9 of mechanical movement means by rotary frame 6 make optic probe 4 from the light source 21 side industrial video object lens 19 by optical fibers 18 illuminations in the face of overproof rejected region, its rotation angle range can reach 360 °, the field-of-view angle scope can reach 120 °～140 °, with drilling rod inner wall surface real time status image imaging on industrial video imaging CCD/CMOS imageing sensor 20, the signal that this ccd video camera collects is presented on the high resolving power plane liquid crystal touch control display 12 in real time by flexible cable 11 and industrial control computer 24, and this industrial video mirror 19 can accurately be located any position of the drill rod pipe end inner wall surface situation that Direct observation optic probe 4 can reach.
Claims (6)
1. self-centering drill rod pipe end inwall measuring instrument with video-endoscope, it is characterized in that: it is a split-type structural, is to be connected to form by flexible cable (11) by measuring unit and control display unit; Measuring unit by measuring unit institutional framework (3), bolt at the self-centering apparatus of measuring unit institutional framework (3) one side end faces be fixedly mounted on the mechanical movement means that a end in the measuring unit institutional framework (3) has an optic probe (4) and form; The control display unit comprises light source (21), servocontrol electrical system (22), industrial control computer (24), high resolving power plane liquid crystal touch control display (12).
2. according to the described a kind of self-centering drill rod pipe end inwall measuring instrument of claim l with video-endoscope, it is characterized in that: described self-centering apparatus comprises three-jaw centering chuck (1), drilling rod end face positioning element (2), drilling rod end face positioning element (2) bolt is in measuring unit institutional framework (3) one side end faces, and three-jaw centering chuck (1) is fixedly mounted on the drilling rod end face positioning element (2).
3. according to the described a kind of self-centering drill rod pipe end inwall measuring instrument of claim l with video-endoscope, it is characterized in that: described optic probe (4) is fixedly mounted on a side of mechanical movement means, and optic probe (4) comprises ring of light imaging method pick-up unit and video-endoscope pick-up unit; Ring of light imaging method pick-up unit comprises loop laser generator (13), conical reflector (14), transparent organic glass pipe (15), front ring of light image-forming objective lens (16), ring of light imaging CCD/CMOS imageing sensor (17), and order is arranged at an end in the optic probe (4) successively; The video-endoscope pick-up unit comprises optical fibers (18), side industrial video object lens (19), the industrial video imaging CCD/CMOS imageing sensor (20) that is arranged at the interior other end of optic probe (4), and wherein side industrial video object lens (19) are arranged on the top of industrial video imaging CCD/CMOS imageing sensor (20).
4. a kind of self-centering drill rod pipe end inwall measuring instrument with video-endoscope according to claim 3, it is characterized in that: described side industrial video object lens (19) field range is 120 °～140 °.
5. according to the described a kind of self-centering drill rod pipe end inwall measuring instrument with video-endoscope of claim l, it is characterized in that: described mechanical movement means comprises linear motion device and circular motion apparatus; Linear motion device comprises linear module (7), mobile platform (8), drive motor (10), and circular motion apparatus comprises swivel bearing (5), rotary frame (6), rotary drive motor (9); Mobile platform (8) is connected with linear module (7) with the linear guides slide block by the ball-screw nut of linear module (7), drive motor (10) is connected by the ball-screw of shaft coupling with linear module (7), swivel bearing (5) is fixedly connected on the measuring unit institutional framework (3), rotary frame (6) and rotary drive motor (9) are fixedly connected on the mobile platform (8), and rotary frame (6) is connected by shaft coupling with rotary drive motor (9).
6. a kind of self-centering drill rod pipe end inwall measuring instrument according to claim 5 with video-endoscope, it is characterized in that: the rectilinear motion stroke of described mobile platform (8) is 900 millimeters, length along drill rod axis orientation measurement and observation surpasses 600 millimeters, and the rotation angle range of described rotary frame (6) is 360 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201501584U CN201688830U (en) | 2010-04-06 | 2010-04-06 | Tube end inner wall measuring apparatus with video-endoscope of automatic centering drill pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201501584U CN201688830U (en) | 2010-04-06 | 2010-04-06 | Tube end inner wall measuring apparatus with video-endoscope of automatic centering drill pipe |
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| CN201688830U true CN201688830U (en) | 2010-12-29 |
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| CN2010201501584U Expired - Fee Related CN201688830U (en) | 2010-04-06 | 2010-04-06 | Tube end inner wall measuring apparatus with video-endoscope of automatic centering drill pipe |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735615A (en) * | 2011-04-08 | 2012-10-17 | 中国科学院光电研究院 | Laser ultrasonic detection device |
| CN104596432A (en) * | 2014-12-10 | 2015-05-06 | 安东检测有限公司 | Petroleum drill pipe joint detection device and method |
| CN104676257A (en) * | 2013-12-02 | 2015-06-03 | 天津中杰科技发展有限公司 | Endoscope detection device for step slot screen pipe |
| CN105484728A (en) * | 2016-01-04 | 2016-04-13 | 魏建光 | Laser type casing pipe drift diameter gauge |
| CN109490327A (en) * | 2018-11-14 | 2019-03-19 | 中国航发动力股份有限公司 | A kind of tooling and its method of endoscope check hollow shaft/inside pipe wall |
| CN109944560A (en) * | 2019-04-29 | 2019-06-28 | 中煤科工集团重庆研究院有限公司 | Drill rod thread centering device for automatic drilling machine and centering adjusting method |
| CN112877863A (en) * | 2021-01-14 | 2021-06-01 | 北京机科国创轻量化科学研究院有限公司 | Automatic edge bar placing device and method in composite material preform weaving process |
-
2010
- 2010-04-06 CN CN2010201501584U patent/CN201688830U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735615A (en) * | 2011-04-08 | 2012-10-17 | 中国科学院光电研究院 | Laser ultrasonic detection device |
| CN104676257A (en) * | 2013-12-02 | 2015-06-03 | 天津中杰科技发展有限公司 | Endoscope detection device for step slot screen pipe |
| CN104596432A (en) * | 2014-12-10 | 2015-05-06 | 安东检测有限公司 | Petroleum drill pipe joint detection device and method |
| CN104596432B (en) * | 2014-12-10 | 2018-05-04 | 安东检测有限公司 | Joint of petroleum drill rod detection device and method |
| CN105484728A (en) * | 2016-01-04 | 2016-04-13 | 魏建光 | Laser type casing pipe drift diameter gauge |
| CN109490327A (en) * | 2018-11-14 | 2019-03-19 | 中国航发动力股份有限公司 | A kind of tooling and its method of endoscope check hollow shaft/inside pipe wall |
| CN109944560A (en) * | 2019-04-29 | 2019-06-28 | 中煤科工集团重庆研究院有限公司 | Drill rod thread centering device for automatic drilling machine and centering adjusting method |
| CN112877863A (en) * | 2021-01-14 | 2021-06-01 | 北京机科国创轻量化科学研究院有限公司 | Automatic edge bar placing device and method in composite material preform weaving process |
| CN112877863B (en) * | 2021-01-14 | 2022-08-23 | 北京机科国创轻量化科学研究院有限公司 | Automatic edge bar placing device and method in composite material preform weaving process |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20180406 |