CN103486941A - Casing pipe end sealing face inner diameter measuring device - Google Patents

Casing pipe end sealing face inner diameter measuring device Download PDF

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Publication number
CN103486941A
CN103486941A CN201210196882.4A CN201210196882A CN103486941A CN 103486941 A CN103486941 A CN 103486941A CN 201210196882 A CN201210196882 A CN 201210196882A CN 103486941 A CN103486941 A CN 103486941A
Authority
CN
China
Prior art keywords
sealing
measuring
pipe
measurement
dial gauge
Prior art date
Application number
CN201210196882.4A
Other languages
Chinese (zh)
Inventor
元麟
王琍
Original Assignee
宝山钢铁股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宝山钢铁股份有限公司 filed Critical 宝山钢铁股份有限公司
Priority to CN201210196882.4A priority Critical patent/CN103486941A/en
Publication of CN103486941A publication Critical patent/CN103486941A/en

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Abstract

The invention discloses a casing pipe end sealing face inner diameter measuring device. The measuring device comprises a dial indicator, backup plates and measuring contacts. A locking bolt is arranged on the dial indicator, a movable rod is arranged at one end of the dial indicator, a locating mechanism is arranged at the other end of the dial indicator, the two backup plates are arranged on the movable rod and the locating mechanism respectively, and the two measuring contacts are arranged on the end portion of the movable rod and the end portion of the locating mechanism respectively. The measurement range can be adjusted conveniently with the measuring device so that a gauge can be used for measuring products in different specification ranges, the number of the equipped gauges is favorable for being reduced, production cost is saved, repeatability is high, and the measuring device is suitable for precision measurement of the inner diameter of the sealing face of the pipe end of a special casing pipe which is high in precision requirement and within the tolerance range.

Description

A kind of sleeve pipe pipe end sealing surface inner diameter measuring device
Technical field
The present invention relates to gauge, more particularly, relate to a kind of sleeve pipe pipe end sealing surface inner diameter measuring device.
Background technology
Along with improving constantly that oil gas field requires for all kinds of oil feed pipes, the unusual casing of high added value is gradually in the favor that obtains market, but the precision of this series products is high, and difficulty of processing is large.Especially for the unusual casing female joint, the sealing surface internal diameter of its pipe end is the major part that guarantees the product sealing, and internal diameter is controlled particularly important, but is limited to the position of pipe end and sealing surface, measures more difficult.The cut-open view that Fig. 1 is the unusual casing female joint, the female joint pipe end of unusual casing 100 mainly comprises arc surface section 101, sealing surface section 102 and bevel phase 103, wherein bevel phase 103 is L1 to the length of arc surface section 101, the length L 2 of sealing surface section, and bevel phase 103 has with the intersection point of arc surface section 101 circular arc that radius is R.In order to ensure tubing and casing male joint and unusual casing female joint close contact after screwing, reach interference fit, play auxiliary seal, because must strictly controlling the internal diameter of sealing surface section 102, but because the length range of length L 1 is little, the dimensional tolerence of sealing surface internal diameter is little, and ovality is had to very high requirement, causes internal diameter and ovality that general measuring device tool can't Measurement accuracy sealing surface 102.
At present, measurement to unusual casing end sealing face internal diameter with sealing function, generally can adopt the measurers such as 3 micrometer inside calipers or micrometer inside caliper to measure, following 3 deficiencies that exist: at first, 3 micrometer inside calipers or micrometer inside caliper can't be realized the wheel measuring of 360 degree, can't find accurately maximal value and the minimum value of sealing surface internal diameter; Secondly, 3 micrometer inside calipers or micrometer inside caliper, when this series products of check, because measuring without benchmark, easily cause on the gauge head of both sides and have a down dip, cause the measurement result that gross error is even wrong, can't meet the high unusual casing sealing surface internal diameter requirement of accuracy requirement; Finally, the ovality that above-mentioned general class inner diameter measurement measurer all can't Measurement accuracy end sealing face position.
Summary of the invention
For the above-mentioned shortcoming existed in prior art, the purpose of this invention is to provide a kind of sleeve pipe pipe end sealing surface inner diameter measuring device, can measure easily and accurately machining deviation and the ovality of unusual casing end sealing face internal diameter.
For achieving the above object, the present invention adopts following technical scheme:
This sleeve pipe pipe end sealing surface inner diameter measuring device comprises dial gauge, backup plate, measurement contact, there is a rotation scale on dial gauge, and dial gauge one end is provided with motion bar, the other end is provided with detent mechanism, two backup plates are located at respectively on motion bar and detent mechanism, measure the end that contact is divided into motion bar and detent mechanism for two.
Described detent mechanism comprises arc fixed block, connecting link and selector bar, and fixed block and dial gauge fix, and connecting link one end is connected with fixed block, and the other end is connected with selector bar, and described one measures the end that contact is fixedly arranged on selector bar.
A described backup plate is fixed on selector bar by circular clamp; Described another backup plate is arranged on a top board, and by being clamped on motion bar with lower platen.
Also be provided with plate on described motion bar.
Also be provided with to lock the bolt of rotation scale on described dial gauge.
In technique scheme, sleeve pipe pipe end sealing surface inner diameter measuring device of the present invention comprises dial gauge, backup plate, measurement contact, dial gauge is provided with a clamping screw, and dial gauge one end is provided with motion bar, the other end is provided with detent mechanism, two backup plates are located at respectively on motion bar and detent mechanism, measure the end that contact is divided into motion bar and detent mechanism for two.Adopt this measurement mechanism can regulate easily measurement range, realize that a gauge just can measure the product of different size scope, contribute to reduce the outfit amount of such gauge, save production cost, and there is higher repeatability, be applicable to that accuracy requirement is high, the precision measurement of the unusual casing end sealing face internal diameter under margin tolerance.
The accompanying drawing explanation
Fig. 1 is the cut-open view of existing unusual casing female joint;
Fig. 2 is the structural representation of measurement mechanism of the present invention;
Fig. 3 is the vertical view of measurement mechanism in Fig. 2;
Fig. 4 is the use view of measurement mechanism of the present invention.
Embodiment
Further illustrate technical scheme of the present invention below in conjunction with drawings and Examples.
Please in conjunction with shown in Fig. 1~Fig. 3, the sleeve pipe pipe end sealing surface inner diameter measuring device of invention comprises dial gauge 1, backup plate 2, measures contact 3, wherein, there is a rotation scale 4 on the surface of dial gauge 1, and dial gauge 1 one ends are provided with motion bar 5, with pointer interlock in table, the other end is provided with detent mechanism 6, two backup plates 2 are located at respectively on motion bar 5 and detent mechanism 6, measure the end that contact 3 is divided into motion bar 5 and detent mechanism 6 for two.Concrete structure is as follows: described detent mechanism 6 comprises an arc fixed block 7, connecting link 8 and selector bar 9, fixed block and dial gauge 1 fix, connecting link 8 one ends are connected by screw thread with fixed block 7, the other end also is connected by screw thread with selector bar 9, connecting link 8 can be configured a plurality of of different length according to the tested casing size CS of difference, as 10mm, 25mm, 50mm etc., in order to spreading, make the maximum measurement range of whole measurement mechanism reach 100~500mm, meet the measurement demand of different size sleeve pipe.And the effect of selector bar 9 is measurement contact 3 and backup plate 2 for this side is installed, this side is measured contact 3 and is fixedly arranged on the end of selector bar 9 by screw thread as fixing measurement contact 3, and this side abutment plate 2 is fixed on selector bar 9 by circular clamp 14,2 of the backup plates of opposite side are to be arranged on a top board 10 by screw, then and by with lower platen 11, coordinating and be clamped on motion bar 5.Also be provided with a plate 12 on motion bar 5, for stirring the flexible of motion bar 5, and also be provided with to lock the bolt 13 of rotation scale 4 on dial gauge 1.
Refer to shown in Fig. 4, the principle of work of this measurement mechanism is as follows:
At first, according to the size of tested unusual casing 100 pipe end internal diameters, select the connecting link 8 of respective length to be assembled; Secondly, hold this measurement mechanism and make motion bar 5 retract by finger compression plate, measurement mechanism is placed in a standard calibration ring simultaneously, and make two side abutment plates 2 be set up in the calibration ring upper surface, now unclamp plate, thereby make motion bar 5 stretch out, two-sided measurement contact 3 is all offseted with the calibration ring inwall, and will be at this measurement mechanism rotating 360 degrees in the standard ring, look for maximum, the minimum wobble point of pointer, then unclamp clamping screw 13, and, by rotation scale 4 rotations, make its zero position pointer; After completing school zero, same method by this measurement mechanism according to above-mentioned calibration is placed on tested unusual casing 100 pipe ends, make two backup plates 2 be placed in and press close on pipe end, then slight swing and rotate this measurement mechanism, make it realize the rotation of 360 degree at the pipeline section inwall, can can directly read the maximum deflection difference value of tested pipe end sealing surface internal diameter at dial gauge 1, and maximum deflection difference value is deducted to minimum deviation value just draw its ovality value.
Adopt measurement mechanism of the present invention, there is following advantage:
1, measurement range is large, and the calibration ring of standard of take is reference, by the connecting link 8 of different length is installed, can conveniently regulate measurement range, realize only with a gauge, just can measuring the product of different size scope, contribute to reduce the outfit amount of such measurer, save production cost.
2, measuring accuracy, within 0.01mm, has higher repeatability, is applicable to that accuracy requirement is high, the unusual casing end sealing face inner diameter measurement under margin tolerance.
3, volume is little, lightweight, is easy to field calibration and detects, if, when backup plate 2 produces measuring error because of wearing and tearing, can conveniently remove and change backup plate 2.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for the present invention is described, and not be used as limitation of the invention, as long as in connotation scope of the present invention, to variation, the modification of the above embodiment, all will drop in claims scope of the present invention.

Claims (5)

1. a sleeve pipe pipe end sealing surface inner diameter measuring device is characterized in that:
Comprise dial gauge, backup plate, measurement contact, have a rotation scale on dial gauge, and dial gauge one end is provided with motion bar, the other end is provided with detent mechanism, two backup plates are located at respectively on motion bar and detent mechanism, measure the end that contact is divided into motion bar and detent mechanism for two.
2. sleeve pipe pipe end sealing surface inner diameter measuring device as claimed in claim 1 is characterized in that:
Described detent mechanism comprises arc fixed block, connecting link and selector bar, and fixed block and dial gauge fix, and connecting link one end is connected with fixed block, and the other end is connected with selector bar, and described one measures the end that contact is fixedly arranged on selector bar.
3. sleeve pipe pipe end sealing surface inner diameter measuring device as claimed in claim 1 is characterized in that:
A described backup plate is fixed on selector bar by circular clamp; Described another backup plate is arranged on a top board, and by being clamped on motion bar with lower platen.
4. sleeve pipe pipe end sealing surface inner diameter measuring device as claimed in claim 1 is characterized in that:
Also be provided with plate on described motion bar.
5. sleeve pipe pipe end sealing surface inner diameter measuring device as claimed in claim 1 is characterized in that:
Also be provided with to lock the bolt of rotation scale on described dial gauge.
CN201210196882.4A 2012-06-14 2012-06-14 Casing pipe end sealing face inner diameter measuring device CN103486941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210196882.4A CN103486941A (en) 2012-06-14 2012-06-14 Casing pipe end sealing face inner diameter measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210196882.4A CN103486941A (en) 2012-06-14 2012-06-14 Casing pipe end sealing face inner diameter measuring device

Publications (1)

Publication Number Publication Date
CN103486941A true CN103486941A (en) 2014-01-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210196882.4A CN103486941A (en) 2012-06-14 2012-06-14 Casing pipe end sealing face inner diameter measuring device

Country Status (1)

Country Link
CN (1) CN103486941A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106767307A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Spiral expanding formula larger diameter internal bore measuring instrument
CN106767301A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Larger diameter internal bore measuring instrument
CN106767302A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Adjustable length larger diameter internal bore measuring instrument
CN106767308A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Diameter of bore survey tool
CN106767305A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Spiral expanding formula diameter of bore survey tool
CN106767309A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Endoporus measuring device
CN106767306A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Adjustable length diameter of bore survey tool
CN106767303A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Adjustable length Endoporus measuring device
CN106767304A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Spiral expanding formula Endoporus measuring device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4139309A1 (en) * 1991-03-08 1992-09-10 Dyckerhoff & Widmann Ag Measuring dimensions of hollow bodies, esp. pipes - using fixed and movable parts with sensing arms with stops image separation measured when applied to pipe
US5182862A (en) * 1991-04-12 1993-02-02 Gagemaker, Inc. Indicating thread gage
CN2539140Y (en) * 2002-04-05 2003-03-05 天津钢管有限责任公司 Measurer for sealed cone diameter of air-tight screw joint of petroleum sleeve
KR20050033264A (en) * 2003-10-06 2005-04-12 박금석 Gauge for measuring inside diameter of manufactured product
CN201285271Y (en) * 2008-11-14 2009-08-05 齐齐哈尔二机床(集团)有限责任公司 Measuring tool for end face shallow bore
CN201378039Y (en) * 2009-03-20 2010-01-06 宝山钢铁股份有限公司 Oil casing collar measuring gauge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4139309A1 (en) * 1991-03-08 1992-09-10 Dyckerhoff & Widmann Ag Measuring dimensions of hollow bodies, esp. pipes - using fixed and movable parts with sensing arms with stops image separation measured when applied to pipe
US5182862A (en) * 1991-04-12 1993-02-02 Gagemaker, Inc. Indicating thread gage
CN2539140Y (en) * 2002-04-05 2003-03-05 天津钢管有限责任公司 Measurer for sealed cone diameter of air-tight screw joint of petroleum sleeve
KR20050033264A (en) * 2003-10-06 2005-04-12 박금석 Gauge for measuring inside diameter of manufactured product
CN201285271Y (en) * 2008-11-14 2009-08-05 齐齐哈尔二机床(集团)有限责任公司 Measuring tool for end face shallow bore
CN201378039Y (en) * 2009-03-20 2010-01-06 宝山钢铁股份有限公司 Oil casing collar measuring gauge

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106767307A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Spiral expanding formula larger diameter internal bore measuring instrument
CN106767301A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Larger diameter internal bore measuring instrument
CN106767302A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Adjustable length larger diameter internal bore measuring instrument
CN106767308A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Diameter of bore survey tool
CN106767305A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Spiral expanding formula diameter of bore survey tool
CN106767309A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Endoporus measuring device
CN106767306A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Adjustable length diameter of bore survey tool
CN106767303A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Adjustable length Endoporus measuring device
CN106767304A (en) * 2015-11-19 2017-05-31 綦江永跃齿轮有限公司 Spiral expanding formula Endoporus measuring device

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Application publication date: 20140101

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