CN100552373C - Cable diameter gauge in the oil pipe thread external thread - Google Patents
Cable diameter gauge in the oil pipe thread external thread Download PDFInfo
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- CN100552373C CN100552373C CNB2007101372158A CN200710137215A CN100552373C CN 100552373 C CN100552373 C CN 100552373C CN B2007101372158 A CNB2007101372158 A CN B2007101372158A CN 200710137215 A CN200710137215 A CN 200710137215A CN 100552373 C CN100552373 C CN 100552373C
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- gage beam
- measuring head
- gauge
- oil pipe
- rail
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Abstract
The invention discloses cable diameter gauge in a kind of oil pipe thread external thread, it is made up of left and right rail piece, two rail arms, left and right sides gage beam, measuring head parts and indicating gauges, two rail arms are plugged on respectively in two horizontal through hole of left and right rail piece, left and right sides gage beam is plugged on respectively in each self-corresponding inclined hole of left and right rail piece, forms tubaeform each other; Two rail arms are vertical mutually with the formed separately plane of left and right sides gage beam; The indicating gauge sounding rod is connected the lower end of left gage beam by axle sleeve, the rod end head measuring head parts that spun, and another measuring head parts are screwed in the inboard, lower end of right gage beam.This measuring instrument can directly read tested externally threaded in the footpath with standard in the footpath difference, thereby judge whether it qualified, and its volume is little, in light weight, is easy to carry, and measure convenient, highly sensitive.
Description
Technical field
The present invention be a kind of be the gauging instrument of feature to adopt mechanical measuring means, be specifically related to a kind of surveying instrument of measuring footpath in the oil pipe thread external thread.
Background technology
Oil country tubular good is the valuable cargo of petroleum industry, at present the quality situation of the special-purpose tubing of domestic petroleum roughly is: have 3%～5% to scrap owing to reasons such as pipe poor quality cause in the oil well of being beaten, wherein the damage of about 80% tubing all occurs in connection of thread.This is that each individual event parameter of screw thread does not reach technical requirement, causes pipe strength of joint and poor sealing, does not satisfy request for utilization because the screw processing quality of petroleum pipeline joint is poor basically.The effective measures that reduce this type of problem appearance are to improve the quality of oil pipe thread, guarantee that the pipe thread parameters meets international standards.
Yet the detection method of oil pipe thread is ring thread gage or the plug thread gauge with standard at present, judges with the size of tight distance whether it is qualified.This detection is a kind of so-called method for comprehensive detection, and is more original, clumsy, and main is to exist following deficiency:
1. use ring thread gage or feeler gauge, can only detect pipe thread closely apart from such comprehensive parameters, can not each individual event parameter of pipe thread be detected, can't make accurate judgement to each individual event parameter of pipe thread, for to be processed with bias free and deviate be what can not reflect quantitatively, also the machining precision of control tube screw thread and improve the pipe thread quality in process of production just.
2. easily a certain item even two underproof pipe thread of individual event parameter only are specification product by comprehensive parameters judge erroneous judgement, make screw processing quality out of control, bury security-hidden trouble.
3. standard thread ring gage and the feeler gauge manufacture difficulty is big, cost is high in case wearing and tearing can't be repaired, is only scrapped.And its specification is various, and pipe thread such as the sleeve pipe of tooth shapes and caliber, oil pipe, delivery pipe, drilling rod all will have ring thread gage, feeler gauge one to one.All quite bother as cubing buying, transportation, keeping.
4. volume is big, and weight is big, also needs boat to hang assistance when big caliber is detected and just can finish, and uses inconvenience, careless slightly will pulling by seizure of the thread when going up button sometimes.
Summary of the invention
The purpose of this invention is to provide cable diameter gauge in a kind of oil pipe thread external thread, it can measure exactly oil pipe thread externally threaded in the difference in footpath in footpath and the standard, thereby judge whether oil pipe thread directly qualified in externally threaded.
The technical scheme that realizes above-mentioned purpose is: cable diameter gauge in the oil pipe thread external thread, and it is made up of left and right rail piece, two rail arms, left and right sides gage beam, measuring head parts and indicating gauges; Have on the described way block two spaced apart that be parallel to each other, with the corresponding horizontal through hole of described rail arms section configuration and above-below direction, with the corresponding inclined hole of cross sectional shape of described gage beam, two rail arms are plugged on respectively in two horizontal through hole of described left and right rail piece, and way block can slide on rail arms; Left and right sides gage beam is plugged on respectively in the inclined hole on the described left and right rail piece, and left and right sides gage beam is with being in the plane, form each other one tubaeform, Open Side Down for loudspeaker, dorsad way block; Two formed planes of guide rail are vertical mutually with the plane that left and right sides gage beam forms; A through hole that adapts with the indicating gauge axle sleeve is arranged in the lower end of left gage beam, the axis of this through hole is in the formed plane of left and right sides gage beam, the axle sleeve of indicating gauge inserts from the back side of through hole, and is fixed in this hole, the sounding rod termination of the indicating gauge measuring head parts that spun; Another measuring head parts are screwed in the inboard, lower end of right gage beam, and two measuring head parts in opposite directions; Fixed a base plate with two formed plane parallel of rail arms in described way block bottom surface.
During measurement, at first spur left and right sides gage beam, upper surface and the vertical spacing between the corresponding base plate of adjusting measuring head with model arrive standard value, locking left and right sides gage beam; Two way blocks about the pulling are adjusted the spacing of left and right sides measuring head to the model standard value with model again, lock two way blocks, and indicating gauge is returned to zero.Then two measuring heads are placed on the tested external thread crest, base plate is close to the threaded line pipe end face, and measuring instrument integral body rotates a circle, the maximal value of indicating gauge indication and the difference of minimum value be exactly tested externally threaded in directly deviation in footpath and the standard.
Because the measuring head in the oil pipe thread external thread of the present invention on the gage beam of a cable diameter gauge left side is connected on the indicating gauge, therefore, tested externally threaded in the footpath with standard in the footpath error amount just can on indicating gauge, directly read, numerical value can judge accurately that not only whether qualified this is directly in externally threaded thus, and can also adjust process equipment in time according to this value.This instrument volume is little, in light weight, is easy to carry, and measures convenient, highly sensitive, good reproducibility, can both measure footpath in the external thread of big or small caliber.
Description of drawings
Fig. 1 is the Facad structure synoptic diagram of one embodiment of the invention.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 be among Fig. 1 the measuring head parts overlook enlarged drawing.
Among the figure: 1. way block, 2. rail arms, 3. base plate, 4. left gage beam, 5. indicating gauge, 6. gauge head pin, 7. measuring head, 8. head-measuring rack, 9. nut, 10. head-measuring rack screw rod, 11. right gage beams, 12. lock-screws, 13. anti-turn screws.
Embodiment
Below in conjunction with drawings and Examples the present invention is done to describe in further detail:
As shown in Figure 1, way block 1 is two identical parts of shape, places dorsad each other, and two rail arms 2 are passed two lateral apertures on the way block 1 respectively, constitutes the slide bar of way block.After the epimere of left gage beam 4 and right gage beam 11 is plugged on the way block 1 in each self-corresponding inclined hole respectively, form each other one tubaeform, Open Side Down for loudspeaker.
In the embodiment shown in fig. 1, what two rail arms 2 all adopted is right cylinder, and what left gage beam 4 and right gage beam 11 adopted is cylinder or pipe.This selection is considered for selection and the relatively easy factor of processing.Certainly, it is that polygonal cylinder or section are special-shaped cylinder that rail arms can adopt section fully, and this can decide as required.Equally, also can to adopt section be polygonal body to left and right sides gage beam.
As the left and right sides gage beam of cylindrical or tubular, they rotate in the inclined hole of way block 1 easily.In order to prevent that them from rotating, be to take on its cylindrical, to make vertically a scarce face in the present embodiment, on with respect to the back side bus of this scarce face, process a V-type groove, can be fixed in the inclined hole of way block 1, as shown in Figure 1 from positive and negative two faces by lock-screw 12 and anti-turn screw 13.As cylindrical rail arms 2, there is the problem of rotating easily too, all adopt several lock-screws 12 to lock it in the way block 1, as shown in Figure 2 in the present embodiment.
As shown in figures 1 and 3, the measuring head parts that the lower end of left gage beam 4 and right gage beam spins separately in the present embodiment are made up of measuring head 7 and head-measuring rack 8, two measuring head parts in opposite directions, be positioned on the same horizontal line, head-measuring rack 8 vertically has a groove, and measuring head 7 is hinged in this groove by gauge head pin 6.Measuring head can be multiple shape, and measuring head 7 is the bar blocks that the width with above-mentioned groove adapts in the present embodiment.Two head-measuring rack screw rods 10 are screwed in the lower end of left and right sides gage beam respectively, and are fixed by nut 9.
It is the two-way shockproof indicating gauge of ZL02259062.5 that indicating gauge 5 adopts the patent No.s, and what the inner structure of this indicating gauge adopted is two-way aseismatic mechanism, can alleviate the bump up and down of sounding rod to greatest extent, does not run pin, clamping stagnation not, and accuracy of reading uses more reliable.
The present invention also can be by the length of adjusting rail arms 2 and the length of adjusting left and right sides gage beam, footpath during the oil pipe thread of measurement different tube diameters is externally threaded.
Claims (7)
1. cable diameter gauge in the oil pipe thread external thread, it is characterized in that: it is made up of left and right rail piece, two rail arms, left and right sides gage beam, measuring head parts and indicating gauges; Have on the described way block two spaced apart, be parallel to each other, with the corresponding horizontal through hole of described rail arms section configuration and above-below direction, with the corresponding inclined hole of cross sectional shape of described gage beam, two rail arms are plugged on respectively in two horizontal through hole of described left and right rail piece, and way block can slide on rail arms; Left and right sides gage beam is plugged on respectively in the inclined hole on the described left and right rail piece, and left and right sides gage beam is with being in the plane, form each other one tubaeform, Open Side Down for loudspeaker, dorsad way block; Two formed planes of guide rail are vertical mutually with the plane that left and right sides gage beam forms; A horizontal through hole that the indicating gauge axle sleeve is installed is arranged in the lower end of left gage beam, the sounding rod termination of the indicating gauge measuring head parts that spun, another measuring head parts are screwed in the inboard, lower end of right gage beam, two measuring head parts in opposite directions, be positioned on the same horizontal line; Fixed a base plate with two formed plane parallel of rail arms in described way block bottom surface.
2. according to cable diameter gauge in the described oil pipe thread external thread of claim 1, it is characterized in that: described rail arms section configuration is for circular.
3. according to cable diameter gauge in the described oil pipe thread external thread of claim 1, it is characterized in that: described left and right sides gage beam is cylinder or pipe, and a scarce face is arranged on its cylindrical vertically, and a V-type groove is arranged on the back side bus with respect to this scarce face.
4. according to cable diameter gauge in any one described oil pipe thread external thread in the claim 1 to 3, it is characterized in that: described measuring head parts are made up of head-measuring rack and measuring head, and described head-measuring rack vertically has a groove, and measuring head is hinged in this groove.
5. according to cable diameter gauge in the described oil pipe thread external thread of claim 4, it is characterized in that: described measuring head is a bar blocks that the width with described groove adapts.
6. according to cable diameter gauge in any one described oil pipe thread external thread in the claim 1 to 3, it is characterized in that: described indicating gauge is two-way shockproof indicating gauge.
7. according to cable diameter gauge in the described oil pipe thread external thread of claim 4, it is characterized in that: described indicating gauge is two-way shockproof indicating gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101372158A CN100552373C (en) | 2006-08-17 | 2007-07-11 | Cable diameter gauge in the oil pipe thread external thread |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620079609 | 2006-08-17 | ||
| CN200620079609.3 | 2006-08-17 | ||
| CNB2007101372158A CN100552373C (en) | 2006-08-17 | 2007-07-11 | Cable diameter gauge in the oil pipe thread external thread |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101126620A CN101126620A (en) | 2008-02-20 |
| CN100552373C true CN100552373C (en) | 2009-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101372158A Active CN100552373C (en) | 2006-08-17 | 2007-07-11 | Cable diameter gauge in the oil pipe thread external thread |
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| CN (1) | CN100552373C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2968073B1 (en) * | 2010-11-26 | 2012-11-16 | Vallourec Mannesmann Oil & Gas | METHOD AND DEVICE FOR CONTROLLING A TUBULAR JOINT THREAD USED IN THE PETROLEUM INDUSTRY |
| CN103512468A (en) * | 2012-06-21 | 2014-01-15 | 襄阳汽车轴承股份有限公司 | Active inner diameter measurement mechanism for bearing with grooved internal diameter |
| CN105953699A (en) * | 2016-06-22 | 2016-09-21 | 孙福英 | Digital display thread precision detection apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0386807A2 (en) * | 1989-02-10 | 1990-09-12 | ALLEN GAUGE & TOOL COMPANY | Hand held pitch diameter gauge |
| US4965937A (en) * | 1988-09-30 | 1990-10-30 | Hill Tom H | Tool joint gauge |
| CN2122373U (en) * | 1990-12-30 | 1992-11-18 | 彭贤会 | Thread Pitch Diameter Measuring Instrument |
| CN2248334Y (en) * | 1995-10-26 | 1997-02-26 | 孙香庭 | Combined external thread pitch diameter comparator |
| JP2003279304A (en) * | 2002-03-25 | 2003-10-02 | Nsk Ltd | Method and apparatus for measuring pitch circle diameter |
-
2007
- 2007-07-11 CN CNB2007101372158A patent/CN100552373C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4965937A (en) * | 1988-09-30 | 1990-10-30 | Hill Tom H | Tool joint gauge |
| EP0386807A2 (en) * | 1989-02-10 | 1990-09-12 | ALLEN GAUGE & TOOL COMPANY | Hand held pitch diameter gauge |
| CN2122373U (en) * | 1990-12-30 | 1992-11-18 | 彭贤会 | Thread Pitch Diameter Measuring Instrument |
| CN2248334Y (en) * | 1995-10-26 | 1997-02-26 | 孙香庭 | Combined external thread pitch diameter comparator |
| JP2003279304A (en) * | 2002-03-25 | 2003-10-02 | Nsk Ltd | Method and apparatus for measuring pitch circle diameter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101126620A (en) | 2008-02-20 |
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