CN2793725Y - ultrasonic nondestructed detection probe of working on drilling rod and oil-tubing screw - Google Patents
ultrasonic nondestructed detection probe of working on drilling rod and oil-tubing screw Download PDFInfo
- Publication number
- CN2793725Y CN2793725Y CN 200520005475 CN200520005475U CN2793725Y CN 2793725 Y CN2793725 Y CN 2793725Y CN 200520005475 CN200520005475 CN 200520005475 CN 200520005475 U CN200520005475 U CN 200520005475U CN 2793725 Y CN2793725 Y CN 2793725Y
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- screw
- drilling rod
- protector
- oil
- reflecting prism
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- Expired - Lifetime
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model relates to an ultrasonic nondestructed detection probe of working on drilling rod and oil-tubing screw used during the ultrasonic nondestructed detection of the drilling rod and oil-tubing screw in oil field. The utility model consist of a radial direction protector 1, a regulating screw 3, an abutment screw 4 and a reflecting prism 5. The lateral part of the radial direction protector 1 is equipped with a water inlet tube 2; the upper part of the radial direction protector 1 is equipped with a water outlet tube; the upper part of the radial direction protector 1 is equipped with the reflecting prism 5. The regulating screw 3 is connected with the reflecting prism 5 and the abutment screw 4 is connected with the regulating screw 3. The utility model can be adapted to nondestructed detecting flaws on various specifications of drilling rod and oil-tubing screws; the utility model can be applied on a detected rod or tube with a diameter of 60-140 mm and a wall thickness of 7-11 mm. The flaw discrimination rate of the screw is higher than 90%, the detecting effect is good and the detection sensitivity can reach 1.0 mm (in deep)* (m (in length).
Description
Technical field:
A kind of probe that the utility model uses when relating to the screw thread part Ultrasonic Nondestructive of the drilling rod of oil field use, oil pipe specifically, is at labour drilling rod, oil pipe screw thread Ultrasonic Nondestructive probe.
Background technology:
At present domestic almost is blank utilizing ultrasound wave to the former that the screw thread at labour drilling rod, oil pipe carries out nondestructive examination.It is feasible on principle that ultrasonic technology is used for the screw thread nondestructive examination, but is subjected to the restriction of several factors in actual applications.Expect good defective patterns, must higher requirement all be arranged the angle of exomonental stability, incident and the coupling on the probe surface of emission and measured body surface etc.And the surface of emission of the ultrasonic probe of domestic production at present is the plane, and when surveying the former arc measured body of outside surface, coupling effect is very poor, has influenced ultrasound wave transmitting and receiving in measured body like this.In addition, domestic ultrasound examination angle probe can not be implemented in the function of fine setting in a certain angular range at present, has all brought some difficulties for like this discovery of defective and identification, can not satisfy the function that detects thread defect.
Domestic each elephant and relevant unit in charge of construction are owing to the screw thread defective partly at labour drilling rod, oil pipe causes the example of production safety accident to occupy sizable ratio at present, and work brings loss to ordinary production, has increased production cost.In addition,, help the service rating and the life-span of better assessment material, reach the purpose of reasonable utilization defects detection at labour drilling rod, oil pipe.Therefore it is very necessary designing and developing out the equipment that can adapt to drilling rod, the detection of oil pipe screw thread.Purpose of the present invention just is based on the ultrasound wave theory, finishes to detecting in the drilling rod of labour all size, the defective of oil pipe screw thread part, to reach the minimizing potential safety hazard, the purpose that saves production cost with special ultrasonic probe.
Summary of the invention:
The purpose of this utility model be to provide a kind of can be according to the external diameter of the various different sizes of drilling rod, oil pipe, the partial design camber ultrasonic probe contacts with measured body matches through radian with different measured bodies is outer.So just guaranteed that probe contacts with the abundant face of measured body, and guaranteed probe on measured body, do circumferential stationarity when mobile in the anterior design and installation of probe angle modulation screw.By regulating the adjusting of bolt, can just make that also variation has taken place exomonental angle so that reflecting prism is regulated in ± 3 ° of scopes, help the discovery and the identification of flaw echo; The front and back of probe are respectively equipped with water inlet pipe and rising pipe, make things convenient for couplant water to flow directly into the faying face of probe and measured body, make that water layer thickness and velocity ratio are more uniform and stable, it is good to be coupled, obtain stable echo-pulse, reach popping one's head in of good detection effect in labour drilling rod, oil pipe screw thread Ultrasonic Nondestructive.
The utility model is such: comprise radially protector 1, water inlet pipe 2, set screw 3, stop screw 4, reflecting prism 5, locator sub 6, rising pipe 7, signal wire joint 8; radially the sidepiece of protector 1 is provided with water inlet pipe 2; on the top of protector 5 radially rising pipe 7 is housed; radially reflecting prism 5 is equipped with on the top of protector 1; set screw 3 is connected with reflecting prism 5; stop screw 4 is connected with set screw 3, at the sidepiece of this device signal wire joint 8 is housed.
The utility model also adopts following technical scheme:
Radially protector 1 is an arc contact surface, can cooperate the rod tube of different-diameter.
Set screw 3 makes reflecting prism 4 regulate in ± 3 ° of scopes.
Advantage of the present utility model is: designed ultrasonic probe, can adapt to the Non-Destructive Testing of thread defect of drilling rod, the oil pipe of various different sizes, and can satisfy detector tube shank diameter: 60～140mm, wall thickness 7～11mm; The thread defect discrimination reaches more than 90%.Detect respond wellly, detection sensitivity can reach 1.0mm (deeply) * 5mm (length).
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1; the utility model is by radially protector 1, water inlet pipe 2, set screw 3, stop screw 4, reflecting prism 5, locator sub 6, rising pipe 7, signal wire joint 8 are formed; radially the sidepiece of protector 1 is provided with water inlet pipe 2; on the top of protector 5 radially rising pipe 7 is housed; radially reflecting prism 5 is equipped with on the top of protector 1; set screw 3 is connected with reflecting prism 5, and stop screw 4 is connected with set screw 3, at the sidepiece of this device signal wire joint 8 is housed.
Radially protector 1 is an arc contact surface, can cooperate the rod tube of different-diameter.Set screw 3 makes reflecting prism 4 regulate in ± 3 ° of scopes.
Can be according to the external diameter of the various different sizes of drilling rod, oil pipe, the partial design camber ultrasonic probe contacts with measured body matches through radian with different measured bodies is outer.So just guaranteed that probe contacts with the abundant face of measured body, and guaranteed probe on measured body, do circumferential stationarity when mobile in the anterior design and installation of probe angle modulation screw.By regulating the adjusting of bolt, can just make that also variation has taken place exomonental angle so that reflecting prism is regulated in ± 3 ° of scopes, help the discovery and the identification of flaw echo; The front and back of probe are respectively equipped with water inlet pipe and rising pipe, make things convenient for couplant water to flow directly into the faying face of probe and measured body, make that water layer thickness and velocity ratio are more uniform and stable, and it is good to be coupled, and obtains stable echo-pulse, reaches good detection effect.
Claims (3)
1; at the labour drilling rod; oil pipe screw thread Ultrasonic Nondestructive probe; comprise radially protector (1); water inlet pipe (2); set screw (3); stop screw (4); reflecting prism (5); locator sub (6); rising pipe (7); signal wire joint (8); it is characterized in that: radially the sidepiece of protector (1) is provided with water inlet pipe (2); on the top of protector (1) radially rising pipe (7) is housed; radially reflecting prism (5) is equipped with on the top of protector (1); set screw (3) is connected with reflecting prism (5); stop screw (4) is connected with set screw (3), at the sidepiece of this device signal wire joint (8) is housed.
2, according to claim 1 at labour drilling rod, oil pipe screw thread Ultrasonic Nondestructive probe, it is characterized in that: radially protector (1) is an arc contact surface, can cooperate the rod tube of different-diameter.
3, according to claim 1 at labour drilling rod, oil pipe screw thread Ultrasonic Nondestructive probe, it is characterized in that: set screw (3) makes reflecting prism 4 regulate in ± 3 ° of scopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520005475 CN2793725Y (en) | 2005-03-15 | 2005-03-15 | ultrasonic nondestructed detection probe of working on drilling rod and oil-tubing screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520005475 CN2793725Y (en) | 2005-03-15 | 2005-03-15 | ultrasonic nondestructed detection probe of working on drilling rod and oil-tubing screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2793725Y true CN2793725Y (en) | 2006-07-05 |
Family
ID=36820868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520005475 Expired - Lifetime CN2793725Y (en) | 2005-03-15 | 2005-03-15 | ultrasonic nondestructed detection probe of working on drilling rod and oil-tubing screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2793725Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101311717B (en) * | 2007-05-21 | 2011-02-02 | 中国科学院金属研究所 | Rotary type ultrasound flaw-detecting coupling device of probe for detecting defect of pipes and bar material |
-
2005
- 2005-03-15 CN CN 200520005475 patent/CN2793725Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101311717B (en) * | 2007-05-21 | 2011-02-02 | 中国科学院金属研究所 | Rotary type ultrasound flaw-detecting coupling device of probe for detecting defect of pipes and bar material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150315 Granted publication date: 20060705 |