CN201348484Y - Tubing and casing coupling master gage - Google Patents
Tubing and casing coupling master gage Download PDFInfo
- Publication number
- CN201348484Y CN201348484Y CNU2009200670046U CN200920067004U CN201348484Y CN 201348484 Y CN201348484 Y CN 201348484Y CN U2009200670046 U CNU2009200670046 U CN U2009200670046U CN 200920067004 U CN200920067004 U CN 200920067004U CN 201348484 Y CN201348484 Y CN 201348484Y
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- China
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- calibration
- tubing
- segment
- internal diameter
- box cupling
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- Expired - Fee Related
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a tubing and casing coupling master gage, which comprises an upper calibration ring (10) and a lower calibration plate (20); the lower calibration plate (20) is fixed at the lower end of the upper calibration ring (10) through a bolt; the upper calibration ring (10) comprises a pitch diameter calibration segment (11) and a calibration segment for the internal diameter of a sealing surface (12); the inner surface of the pitch diameter calibration segment (11) is a smooth circular conical surface; the inner surface of the calibration segment for the internal diameter of the sealing surface (12) is a smooth cylindrical surface; and a calibration ring of the depth of a circular bead surface (21) is arranged on the lower calibration plate (20). The tubing and casing coupling master gage provides convenience for reducing the equipping amount of measuring tools and saving the cost, ensures more convenient and fast operation of inspectors, and can effectively improve the calibration accuracy and the measurement efficiency.
Description
Technical field
The utility model relates to a kind of measurer that the tubing and casing box cupling is tested, the tubing and casing box cupling control gauge that particularly a kind of pitch diameter of thread to the tubing and casing box cupling, sealing surface internal diameter, the shoulder degree of depth are tested.
Background technology
Along with oil gas field at improving constantly that all kinds of oil feed pipes require, the special button tubing and casing of high added value is gradually in the favor that obtains market, but the precision height of this series products, difficulty of processing is big.Especially for tubing and casing box cupling (being commonly called as " female joint "), the check of its screw thread and sealing surface is a big difficult point and an emphasis always, mainly is because its complex structure.Fig. 1 is the structural representation of tubing and casing box cupling, and as shown in the figure, the tubing and casing box cupling mainly comprises positions such as thread segment 101, sealing surface section 102 and circular bead surface 103.
Fig. 2 is tubing and casing box cupling and tubing and casing (being commonly called as " male joint ") connection diagram.In order to ensure that tubing and casing box cupling and tubing and casing are female joint and male joint reach regulation at thread segment 101 the magnitude of interference, make the sealing surface section 102 of tubing and casing box cupling and tubing and casing seal just, the tubing and casing box cupling also closely contacts with circular bead surface 103 positions of tubing and casing simultaneously, play auxiliary seal, as shown in Figure 2, need control following several parameters at tubing and casing box cupling work in-process: (1) pitch diameter of thread; (2) sealing surface internal diameter; (3) how the degree of depth of circular bead surface detects above-mentioned three accurately, is perplexing such production always.
The measurement of comparison mode is adopted in measurement to the tubing and casing box cupling basically, measures indicating value and only represents the deviation of measured value to the known standard value.Footpath measuring method in existing oil casing threaded section, the most common is, and middle footpath rule are measured, it belongs to etalon, because of tubing and casing is a taper thread, therefore need one can determine the pitch diameter of thread axially and standard of comparison radially.Fig. 3 is existing middle footpath rule calibration synoptic diagram, as shown in the figure, in the existing employing footpath advise 300 measure axially and standards of comparison radially be axial alignment rod 301 and radial alignment rod 302, axial alignment rod 301 and radial alignment rod 302 be respectively applied for calibration radially with axially.When stating in the method calibration footpath in the use, need calibrate simultaneously with axial alignment rod 301 and radial alignment rod 302, be not easy to operation, calibration efficiency is low, and measuring basis and calibration reference are not easy unified, do not meet " abbe ' s principle " in the metrology, there is certain calibration error in theory, and is subjected to factor affecting measuring accuracy such as operative skill easily.
And, unified standard is not arranged so far at the measurement of the sealing surface of special button tubing and casing box cupling, though 3 micrometer inside calipers can be measured, along with dwindling of sealing surface and circular bead surface size, 3 micrometer inside calipers will interfere, and can't directly accurately measure.Employing compares and measures mode, must be equipped with the control gauge of a sealing surface internal diameter again.In addition, the measurement to the degree of depth of circular bead surface also needs corresponding control gauge.The workload of measurement, calibration is increased, and bring a lot of troubles for measurement, calibration management.
The utility model content
For addressing the above problem, the utility model provides a kind of tubing and casing box cupling control gauge, can finish the calibration of the surveying instrument of footpath, sealing surface internal diameter and the shoulder degree of depth in the double thread.
For achieving the above object, tubing and casing box cupling control gauge of the present utility model is made of last calibration ring 10 and following calibration plate 20, and described time calibration plate 20 is by the lower end of screw retention calibration ring 10 on described; The described calibration ring 10 of going up comprises middle footpath calibration segment 11 and sealing surface internal diameter calibration segment 12, and the inside surface of described middle footpath calibration segment 11 is smooth circular conical surface, and the inside surface of described sealing surface internal diameter calibration segment 12 is the smooth face of cylinder; Described calibration plate 20 down is provided with circular bead surface degree of depth calibration ring 21.
Be provided with cylindrical section 13 above the calibration segment 11 of footpath in described, the inside surface of described cylindrical section 13 is the face of cylinder, and the internal diameter of described cylindrical section 13 is greater than the internal diameter maximal value of footpath calibration segment 11 in described.
Be provided with cylindrical section 14 between footpath calibration segment 11 and the sealing surface internal diameter calibration segment 12 in described, the inside surface of described cylindrical section 14 is the face of cylinder, and the internal diameter of described cylindrical section 14 is greater than the internal diameter of described sealing surface internal diameter calibration segment 12.
The cross sectional shape of described circular bead surface degree of depth calibration ring 21 is a circular arc.
The tapering of footpath calibration segment 11 is 1: 16 in described.
Tubing and casing box cupling control gauge of the present utility model, make special button tubing and casing box cupling by three measurement projects of calibration on a measurer, help to reduce the outfit amount of measurer, save cost, make reviewer's operation more convenient simultaneously, quick, and can effectively improve calibration accuracy and efficiency of measurement.
Description of drawings
Fig. 1 is the structural representation of tubing and casing box cupling;
Fig. 2 is the synoptic diagram that the tubing and casing box cupling is connected with tubing and casing;
Fig. 3 is existing middle footpath rule calibration synoptic diagram;
Fig. 4 is the structural representation of tubing and casing box cupling control gauge of the present utility model;
Fig. 5 directly advises the synoptic diagram of calibrating for adopting tubing and casing box cupling control gauge centering of the present utility model;
The synoptic diagram of Fig. 6 for adopting tubing and casing box cupling control gauge of the present utility model that sealing surface inner diameter measurement rule are calibrated;
The synoptic diagram of Fig. 7 for adopting tubing and casing box cupling control gauge of the present utility model that the circular bead surface pit gauge is calibrated.
Embodiment
Fig. 4 is the structural representation of tubing and casing box cupling control gauge of the present utility model, as shown in the figure, tubing and casing box cupling control gauge of the present utility model is made of last calibration ring 10 and following calibration plate 20, and described time calibration plate 20 is by the lower end of screw retention calibration ring 10 on described; The described calibration ring 10 of going up comprises middle footpath calibration segment 11 and sealing surface internal diameter calibration segment 12, and the inside surface of described middle footpath calibration segment 11 is smooth circular conical surface, and the inside surface of described sealing surface internal diameter calibration segment 12 is the smooth face of cylinder; Described calibration plate 20 down is provided with circular bead surface degree of depth calibration ring 21.
Fig. 5 directly advises the synoptic diagram of calibrating for adopting tubing and casing box cupling control gauge centering of the present utility model, and described upper surface of going up calibration ring 10 is axial reference field, and the tapering of described middle footpath calibration segment 11 is 1: 16.In described, be provided with cylindrical section 13 above the calibration segment 11 of footpath, the inside surface of described cylindrical section 13 is the face of cylinder, the internal diameter of described cylindrical section 13 is greater than the internal diameter maximal value of footpath calibration segment 11 in described, and the middle footpath of being convenient to is advised 300 rotatable feelers 301 and placed accurately and rapidly and describedly directly calibrate on the calibration segment 11.In described in the effective length of footpath calibration segment 11, can optional position calibration criterion measurer---middle footpath rule 300.With described upper surface of going up calibration ring 10 is axial reference field, and radial dimension and axial alignment size have been carried out organic unification, helps to improve precision and efficient.
During calibration, after middle footpath rule 300 are installed, in configuring with straight steel ruler roughly earlier the footpath advise 300 about axial dimension between two rotatable feelers 301 and the axial reference field, the slidably bearing seat bottom surface of middle footpath rule 300 is placed respectively on the axial reference field, two feelers 301 are placed respectively on the calibration segment 11 of described footpath.During calibration, rotatable feeler 301 adjustable grounds that are arranged in gauge outfit 302 1 sides on the middle footpath rule 300 are placed on the calibration segment 11 of described footpath, as about fulcrum, swing another rotatable feeler 301 a little then, when the left and right sides variable quantity for the treatment of the pointer of gauge outfit 302 equates, with the pointer tuning zero-bit of gauge outfit 302.
The synoptic diagram of Fig. 6 for adopting tubing and casing box cupling control gauge of the present utility model that sealing surface inner diameter measurement rule are calibrated, in described, be provided with cylindrical section 14 between footpath calibration segment 11 and the sealing surface internal diameter calibration segment 12, the inside surface of described cylindrical section 14 is the face of cylinder, and the internal diameter of described cylindrical section 14 is greater than the internal diameter of described sealing surface internal diameter calibration segment 12.With the calibration criterion measurer---when sealing surface inner diameter measurement rule 500 place the utility model to carry out the calibration of sealing surface inner diameter measurement rule, like this by the just design of shoulders of different cylindrical sections, be easy to make spherical contact 501 accurately to find calibration site, make sealing surface inner diameter measurement rule 500 accurate more and simple on the location of axial dimension, and effectively prevented contingent interference.
After sealing surface inner diameter measurement rule 500 are installed by the modes of calibration sealing surface internal diameter, earlier roughly with straight steel ruler configure sealing surface inner diameter measurement rule 500 about two contacts 501 with described on the upper surface of calibration ring 10 be axial dimension between the axial reference field, the slidably bearing seat bottom surface of sealing surface inner diameter measurement rule 500 is placed respectively on the axial reference field of described upward calibration ring 10, adjusting bolt according on the actual conditions fit sealing face inner diameter measurement rule 500 is close on the smooth face of cylinder of sealing surface internal diameter calibration segment 12 two contacts 501.With the contact 501 that is positioned at gauge outfit 502 1 sides on the sealing surface inner diameter measurement rule 500 be to swing another contact 501 about fulcrum a little, when treating that the pointer left and right sides variable quantity of gauge outfit 502 is equal, with the pointer tuning zero-bit of gauge outfit 502, finishes the calibration of sealing surface internal diameter.
The synoptic diagram of Fig. 7 for adopting tubing and casing box cupling control gauge of the present utility model that the circular bead surface pit gauge is calibrated.Circular bead surface degree of depth calibration ring 21 on the described calibration plate 20 down is a circle groove, and the cross sectional shape of described circular bead surface degree of depth calibration ring 21 is circular arc preferably.It is that circular bead surface pit gauge 600 accurately finds positioning reference by its oblique ball-type contact 601 that circular arc helps the calibration criterion pit gauge, is convenient to rotate in circumference range, finds the deviation of the degree of depth.The circular bead surface degree of depth of product is unified in the circular arc distance from bottom of the axial reference field of tubing and casing box cupling control gauge of the present utility model upper end to described circular bead surface degree of depth calibration ring 21.Circular bead surface pit gauge 600 adopts the digital display vernier scale.
During calibration, earlier the bottom of the liner plate of circular bead surface pit gauge 600 being placed described upper surface of going up calibration ring 10 is on the axial reference field, pass the dip stick that has spherical contact 601 on the circular bead surface pit gauge 600 downwards, regulate the position of liner plate on reference field of circular bead surface pit gauge 600, make ball-type contact 601 drop on the arc surface of circular bead surface degree of depth calibration ring 21 just, after swing is stablized slightly, with the display depth zero setting on the circular bead surface pit gauge 600.
Claims (5)
1, a kind of tubing and casing box cupling control gauge is characterized in that, is made of last calibration ring (10) and following calibration plate (20), and described calibration plate (20) down is by the lower end of screw retention calibration ring (10) on described; The described calibration ring (10) of going up comprises middle footpath calibration segment (11) and sealing surface internal diameter calibration segment (12), and the inside surface of described middle footpath calibration segment (11) is smooth circular conical surface, and the inside surface of described sealing surface internal diameter calibration segment (12) is the smooth face of cylinder; Described calibration plate (20) down is provided with circular bead surface degree of depth calibration ring (21).
2, tubing and casing box cupling control gauge as claimed in claim 1, it is characterized in that, footpath calibration segment (11) top is provided with cylindrical section (13) in described, and the inside surface of described cylindrical section (13) is the face of cylinder, and the internal diameter of described cylindrical section (13) is greater than the internal diameter maximal value of footpath calibration segment (11) in described.
3, tubing and casing box cupling control gauge as claimed in claim 1, it is characterized in that, in described, be provided with cylindrical section (14) between footpath calibration segment (11) and the sealing surface internal diameter calibration segment (12), the inside surface of described cylindrical section (14) is the face of cylinder, and the internal diameter of described cylindrical section (14) is greater than the internal diameter of described sealing surface internal diameter calibration segment (12).
4, tubing and casing box cupling control gauge as claimed in claim 1 is characterized in that, the cross sectional shape of described circular bead surface degree of depth calibration ring (21) is a circular arc.
5, tubing and casing box cupling control gauge as claimed in claim 1 is characterized in that, the tapering of described middle footpath calibration segment (11) is 1: 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200670046U CN201348484Y (en) | 2009-01-15 | 2009-01-15 | Tubing and casing coupling master gage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200670046U CN201348484Y (en) | 2009-01-15 | 2009-01-15 | Tubing and casing coupling master gage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201348484Y true CN201348484Y (en) | 2009-11-18 |
Family
ID=41367949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200670046U Expired - Fee Related CN201348484Y (en) | 2009-01-15 | 2009-01-15 | Tubing and casing coupling master gage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201348484Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374246A (en) * | 2014-12-03 | 2015-02-25 | 西安三环科技开发总公司 | Internal-thread parameter measuring and calibrating tool for airtight threaded joint |
| CN104634225A (en) * | 2015-02-05 | 2015-05-20 | 江苏常宝钢管股份有限公司 | Three-contact detecting device for measuring diameter of sealing conical surface in coupling, zero calibration ring gauge and measuring method |
-
2009
- 2009-01-15 CN CNU2009200670046U patent/CN201348484Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374246A (en) * | 2014-12-03 | 2015-02-25 | 西安三环科技开发总公司 | Internal-thread parameter measuring and calibrating tool for airtight threaded joint |
| CN104634225A (en) * | 2015-02-05 | 2015-05-20 | 江苏常宝钢管股份有限公司 | Three-contact detecting device for measuring diameter of sealing conical surface in coupling, zero calibration ring gauge and measuring method |
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Legal Events
| 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: 20091118 Termination date: 20160115 |
|
| EXPY | Termination of patent right or utility model |