CN109141321A - A kind of compound mark block test method of petroleum pipeline special thread - Google Patents
A kind of compound mark block test method of petroleum pipeline special thread Download PDFInfo
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- CN109141321A CN109141321A CN201810983439.9A CN201810983439A CN109141321A CN 109141321 A CN109141321 A CN 109141321A CN 201810983439 A CN201810983439 A CN 201810983439A CN 109141321 A CN109141321 A CN 109141321A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
- G01B21/042—Calibration or calibration artifacts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of test methods of the compound mark block of special thread, it include: to beat measurement point in upper surface, front surface and the side of compound mark block respectively using the star stylus of three coordinate measuring machine, the Normal plane of reference axis Z, Y and the coordinate direction of X-axis are constructed by measurement point, establish the coordinate system of workpiece；Pass through diametric plane and sealing surface in the coordinate construction of input reference point in the coordinate system of three coordinate measuring machine；By diametric plane and sealing surface in being intercepted respectively with the plane for being parallel to Z axis normal plane, the distance between intersection is calculated, subtracts each other with standard value, obtains deviation.The compound mark block test method of a kind of petroleum pipeline special thread provided by the invention, the mark block that different manufacturers can be used as with the test of variety classes special buckle thread parameter carries out unified test, can guarantee the accuracy of measurement on the basis of improving laboratory work efficiency.
Description
Technical field
The present invention relates to a kind of compound mark block test methods of petroleum pipeline special thread.
Background technique
With in the world to energy demand increasingly sharpen and the continuous development of oil-gas field development technology, oil/gas drilling is to stone
The demand of oil pipe material also increasingly increases, and the status of oil well pipe in the oil industry, is not showed only as that dosage is big, it is more to spend,
More importantly its quality, performance are great to the development relationship of petroleum industry.Used tubing and casing is mostly to accord in the world now
The tubing and casing for closing API Std API standard, accounts for about the 80% of total amount.But with the continuous hair of China's oil-gas field development
Largely there is deep-well, ultradeep well, high-pressure oil-gas well, thermal production well etc. in exhibition, China, these oil/gas wells are to the airtight of threaded connection
Property, more stringent requirements are proposed for bonding strength and the performances such as corrosion-resistant, round thread as defined in API and buttress thread far from
Meet the requirement of these conditions or environment, therefore China oil field gradually starts the tubing and casing using special thread, and makes
Dosage shows an increasing trend year by year, and domestic main tubing and casing factory develops successively also for the applying working condition in different oil fields
A series of special thread is gone out.
Standard thread parameter is generally made of major diameter, central diameter, path, screw pitch, thread form angle and 6 element of lead, special buckle spiral shell
Line increases sealing structure, generally mostly uses the interference seal of metal to metal as primary seal, and torque shoulder is close as assisting
Seal structure, and the degree of cooperation of structure since special buckle screw thread does not have compact distance parameter, therefore are matched using the pitch diameter of thread as main
Size is closed, the fit quality of accuracy of thread is realized by different central diameter tolerances, therefore, controls the pitch diameter of thread and sealing
The size in face is the key that control screw processing quality.
The method of the pitch diameter of thread and sealing surface the diameter measurement compared with use in bore gauge and sealing surface diameter rule with it is mating
Compound check and correction mark block measure, middle bore gauge, sealing surface diameter gauge and compound check and correction mark block and belong to measurement instrument,
It should carry out periodic calibration.The calibration method of middle bore gauge and sealing surface diameter gauge is referred to JJF-1063-2000 " petroleum
Thread single parameter inspection tester calibrating standard " it is calibrated, and compound check and correction marks block then without corresponding calibration method and metering
The requirement of performance, thus also just have no way of controlling the validity of central diameter and the test data of sealing surface diameter.
With the increasingly increase of special thread oil casing usage amount, it is a series of that each factory has been each oil field development successively
Special buckle screw thread, testing compound mark block used in thread parameter is also many kinds of, the usage quantity of the compound mark block of special thread
And the frequency also increasingly increases, the quantity for being sent to calibration laboratory progress calibration test also gradually increases with number, in order to improve reality
Room working efficiency is tested, guarantees the accuracy of measurement, the test method for inventing a kind of compound mark block of petroleum pipeline special thread seems outstanding
It is important.
Summary of the invention
To solve the above problems, the invention proposes a kind of compound mark block test sides of petroleum pipeline special thread
Method, the mark block that different manufacturers can be used as with the test of variety classes special buckle thread parameter carry out unified test, can be with
Guarantee the accuracy of measurement on the basis of improving laboratory work efficiency.
The present invention adopts the following technical scheme that realize:
A kind of test method of the compound mark block of special thread, comprising:
Measurement is played in upper surface, front surface and the side of compound mark block respectively using the star stylus of three coordinate measuring machine
Point is constructed the Normal plane of reference axis Z, Y and the coordinate direction of X-axis by measurement point, establishes the coordinate system of workpiece；In three coordinates
Pass through diametric plane and sealing surface in the coordinate construction of input reference point in the coordinate system of measuring machine；By with being parallel to Z axis normal plane
Plane intercept respectively in diametric plane and sealing surface, calculate the distance between intersection, obtain the measured value of middle diametric plane and sealing surface.
A further improvement of the present invention lies in that specifically comprising the following steps:
1) suitable star stylus is selected on three coordinate measuring machine and carries out stylus calibration；
2) measurement point is constructed in mark block upper surface using No. 1 stylus, establishes the normal plane PLA1 of Z-direction, is surveyed using No. 2
Needle constructs measurement point on mark block front end face, establishes the normal plane PLA2 of Y direction, using No. 3 styluses in mark block side surface configurations
Measurement point establishes the point POI1 in X-axis, is established with normal plane PLA1, normal plane PLA2 and point POI1 and is sat to the workpiece of mark block
Mark system；
3) measurement point is constructed on the middle diametric plane of mark block by No. 3 and No. 4 styluses in workpiece coordinate system, and passes through measurement
Point constructs central diameter the measuring surface PLA3 and PLA4 that corresponding taper is 1:16；
4) pass through the measurement point construction and normal plane in central diameter measuring surface PLA3 and PLA4 plane in workpiece coordinate system
Different distance D1, D2 and the D3 of PLA1 on Z axis construct the parallel plane PLAZ of normal plane PLA1i, plane PLAZiRespectively with method
The intersection of plane PLA3 and PLA4 plane, obtains the intersection XR that two intersections are parallel to X-axisiAnd XLi, calculate between two intersections away from
From obtaining the measured value of central diameter.Wherein, ZiRepresent the normal distance of central diameter planar point, i 1,2,3；
5) measurement point is constructed on the sealing surface of mark block by No. 3 and No. 4 styluses, corresponding sealing is constructed by measurement point
Measuring surface PLA5 and PLA6, the parallel zero draft of two planes calculate the distance of two interplanars, obtain the measured value of sealing surface.
The present invention has following beneficial technical effect:
1, the fast fast programming measurement of the compound mark of special thread may be implemented in the present invention, this invention is for now entire
The common feature of the compound mark block of special thread used in petroleum pipe industry, proposes a kind of general test method, and with spy
Different button screw thread application is more and more wider, and the quantity of the fast calibration of the mark that metrological service is faced is also more and more, gage work amount
Constantly increase, as the continuous popularization and application that this is invented are surveyed so that calibration test work also becomes simple to operation for calibration
Trial work is made to save a large amount of manpower and time；
2, present invention can ensure that the accuracy and traceability of measurement result, ensure that the accuracy of special thread parameter,
Avoid the generation that is unqualified and leading to accident in practical applications due to thread parameter.Involved point in technical solution,
Line, face, by program structure, substantially reduce artificial factor, test equipment is also according to calibration cycle by correlometer by machine
Measuring mechanism calibration, this just ensure that the accuracy to special buckle screw measurement data from source, to ensure that fast using mark
The accuracy for measuring thread parameter result, avoids the underproof pipe of parameter and flows to use site.
Detailed description of the invention
Fig. 1 is that Z axis Normal plane establishes schematic diagram；
Fig. 2 is that Y-axis Normal plane establishes schematic diagram；
Fig. 3 is that X-axis establishes schematic diagram；
Fig. 4 is central diameter measuring surface and sealing surface measuring surface instrumentation plan.
Specific embodiment
The present invention is further described in detail with reference to the accompanying drawings and examples, and the embodiment provided is only for explaining
The bright present invention, the range being not intended to be limiting of the invention.
Refering to fig. 1~4, to the compound mark block of Mr. Yu's type special thread, mark block is placed on three-dimensional coordinates measurement machine table top first
Suitable position, choose the star stylus that diameter is 0.8mm and measure that (the star stylus is made of four horizontal styluses, phase
It is mutually in 90 degree, number is 1~No. 4).3 are made a call to the upper surface of compound mark block is each using No. 1 stylus and No. 3 styluses respectively first
Measurement point constructs the normal plane of workpiece Z-axis by this 6 measurement points；Front surface using No. 2 styluses in compound mark block makes a call to 4
Measurement point makes a call to 1 point in the side of compound mark block using No. 3 styluses, for constructing X-axis to construct the Normal plane of Y-axis
Direction；The workpiece coordinate system of compound mark block is established by 2 planes and 1 point of construction.According to multiple in workpiece coordinate system
Close mark block design drawing input corresponding coordinate points establish in diametric plane and sealing surface, with the plane perpendicular to Z axis respectively in
Diametric plane and sealing surface intersection, calculate intersection between distance, thus the actual measured value to middle diametric plane and sealing surface.
Claims (2)
1. a kind of test method of the compound mark block of special thread characterized by comprising
Measurement point is beaten in upper surface, front surface and the side of compound mark block respectively using the star stylus of three coordinate measuring machine, is led to
The Normal plane of measurement point construction reference axis Z, Y and the coordinate direction of X-axis are crossed, the coordinate system of workpiece is established；In three-dimensional coordinates measurement
Pass through diametric plane and sealing surface in the coordinate construction of input reference point in the coordinate system of machine；By with being parallel to the flat of Z axis normal plane
Face intercept respectively in diametric plane and sealing surface, calculate the distance between intersection, obtain the measured value of middle diametric plane and sealing surface.
2. a kind of test method of the compound mark block of special thread according to claim 1, which is characterized in that specifically include as
Lower step:
1) suitable star stylus is selected on three coordinate measuring machine and carries out stylus calibration；
2) measurement point is constructed in mark block upper surface using No. 1 stylus, establishes the normal plane PLA1 of Z-direction, is existed using No. 2 styluses
Measurement point is constructed on mark block front end face, establishes the normal plane PLA2 of Y direction, is measured using No. 3 styluses in mark block side surface configurations
Point establishes the point POI1 in X-axis, establishes the workpiece coordinate system to mark block with normal plane PLA1, normal plane PLA2 and point POI1；
3) measurement point is constructed on the middle diametric plane of mark block by No. 3 and No. 4 styluses in workpiece coordinate system, and pass through measurement point structure
Make central diameter the measuring surface PLA3 and PLA4 that corresponding taper is 1:16；
4) pass through the measurement point construction and normal plane PLA1 in central diameter measuring surface PLA3 and PLA4 plane in workpiece coordinate system
Different distance D1, D2 and D3 on Z axis construct the parallel plane PLAZ of normal plane PLA1i, plane PLAZiRespectively with normal plane
The intersection of PLA3 and PLA4 plane, obtains the intersection XR that two intersections are parallel to X-axisiAnd XLi, the distance between two intersections is calculated, is obtained
To the measured value of central diameter.Wherein, ZiRepresent the normal distance of central diameter planar point, i 1,2,3；
5) measurement point is constructed on the sealing surface of mark block by No. 3 and No. 4 styluses, corresponding plugging meter is constructed by measurement point
Face PLA5 and PLA6, the parallel zero draft of two planes calculate the distance of two interplanars, obtain the measured value of sealing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810983439.9A CN109141321A (en) | 2018-08-27 | 2018-08-27 | A kind of compound mark block test method of petroleum pipeline special thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810983439.9A CN109141321A (en) | 2018-08-27 | 2018-08-27 | A kind of compound mark block test method of petroleum pipeline special thread |
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| CN109141321A true CN109141321A (en) | 2019-01-04 |
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| CN201810983439.9A Pending CN109141321A (en) | 2018-08-27 | 2018-08-27 | A kind of compound mark block test method of petroleum pipeline special thread |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729039A (en) * | 2020-10-27 | 2021-04-30 | 天津市计量监督检测科学研究院 | Metering calibration method for thread gauge |
| CN114434435A (en) * | 2022-03-18 | 2022-05-06 | 上汽通用五菱汽车股份有限公司 | High-flexibility side wall assembly pre-installation gripper, side wall installation station and deviation correction method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729039A (en) * | 2020-10-27 | 2021-04-30 | 天津市计量监督检测科学研究院 | Metering calibration method for thread gauge |
| CN114434435A (en) * | 2022-03-18 | 2022-05-06 | 上汽通用五菱汽车股份有限公司 | High-flexibility side wall assembly pre-installation gripper, side wall installation station and deviation correction method thereof |
| CN114434435B (en) * | 2022-03-18 | 2024-05-28 | 上汽通用五菱汽车股份有限公司 | High-flexibility side wall assembly preassembling gripper, side wall mounting station and deviation correcting method thereof |
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