CN104154844A - Device for measuring internal thread sealing surface diameter of special oil-buckling casing pipe and measuring method thereof - Google Patents
Device for measuring internal thread sealing surface diameter of special oil-buckling casing pipe and measuring method thereof Download PDFInfo
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- CN104154844A CN104154844A CN201410381545.1A CN201410381545A CN104154844A CN 104154844 A CN104154844 A CN 104154844A CN 201410381545 A CN201410381545 A CN 201410381545A CN 104154844 A CN104154844 A CN 104154844A
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- sealing surface
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Abstract
The invention discloses a device for measuring the internal thread sealing surface diameter of a special oil-buckling casing pipe. The device comprises a guiding rail arm, a pair of positioning arms, a pair of guiding blocks, a fixing measuring head, a movable measuring head and a diameter measuring indicator, wherein the two positioning arms are symmetrically and obliquely arranged inwards and respectively penetrate through the respective corresponding guiding blocks longitudinally, and the two positioning arms are arranged on the guiding rail arm through the guiding blocks in a transversal sliding manner; the diameter measuring indicator is arranged between the two positioning arms, one side end of the diameter measuring indicator is transversely connected with a stabilizer bar, and a retractable measuring bar is transversely arranged at the other side end of the diameter measuring indicator; the fixing measuring head is arranged at the end part of the stabilizer bar and is fixed with the lower end of the positioning arm on the same side, the end part of the retractable measuring bar penetrates through the lower end of the positioning arm on the same side, and the movable measuring head is arranged at the end part of the retractable measuring bar. The invention further discloses a method for measuring the internal thread sealing surface diameter of the special oil-buckling casing pipe. According to the invention, the depth point position of a sealing conical surface measuring point can be determined, so that the actual size of the sealing surface diameter can be measured directly, and the measurement result is accurate and effective.
Description
Technical field
The invention belongs to diameter gauge, be specifically related to a kind of internal thread sealing surface diameter measuring device and measuring method thereof of special thread oil casing.
Background technology
Special thread oil casing is widely used in the Development and Production of Oil/gas Well, it is in the process of processing and manufacturing, for improving the sealing effectiveness after connecting, need measure the sealing surface diameter of its internal thread junction, at present the measurement of sealing face diameter being adopted to application number for example is conventionally the measurer 20 described in 201020583078.8 patents, measure sealing surface diameter, as shown in Figure 1, but, because the sealing surface diameter of female thread portion is that needing by measuring sealing cone measurement point is that the corresponding diameter at (degree of depth L place) is determined, and the measurer 20 of above-mentioned patent can only cross measure diameter, cannot obtain the point of depth survey longitudinally, therefore the mode of this measurement cannot directly measure the physical size of sealing surface diameter, measurement result can produce larger error, thereby affected the crudy of product.
In sum, there is following shortcoming in existing universal measurement instrument: or be to can not meet stability, be exactly not guarantee optimum measurement point, cause meeting completely the control of Design Requirement Drawing, so all can not meet the requirement of accurate measurement, measuring error is generally larger, and operation more complicated.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of internal thread sealing surface diameter measuring device, can measure effectively, accurately the internal thread sealing surface diameter of special thread oil casing.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
On the one hand, a kind of internal thread sealing surface diameter measuring device of special thread oil casing, comprise a rail arms, a pair of registration arm, a pair of orienting lug, one fixation measuring head, one movable measuring head and one is calibrated indicating gauge, two registration arm symmetries are inwardly tilting, and respectively longitudinally through each self-corresponding orienting lug, and laterally slide and be located in rail arms by orienting lug, calibrating indicating gauge is located between two registration arm, one side is horizontally connected with stabilizer bar, another side is laterally provided with flexible measuring staff, fixation measuring head is located at the end of stabilizer bar, fix with the registration arm lower end of homonymy, flexible measuring staff end is through the registration arm lower end of homonymy, movable measuring head is located at the end of flexible measuring staff.
The tapering of the angle of inclination of described registration arm and tested button oil casing internal thread is suitable.
Between described registration arm and corresponding orienting lug, by tight fixed bolt, fix.
Between described orienting lug and rail arms, by tight fixed bolt, fix.
Described fixation measuring head and movable measuring head are fixedly connected on respectively the end of stabilizer bar and flexible measuring staff by fixed cover.
Described registration arm lower end is equipped with mounting hole, and described fixed cover is arranged in respectively in the mounting hole of homonymy registration arm lower end, and fixes by holding screw.
Described orienting lug bottom is also respectively equipped with wear-resisting supporting plate.
On the other hand, a kind of internal thread sealing surface diameter measuring method of special thread oil casing, comprises the following steps:
A. adopt the internal thread sealing surface diameter measuring device of special thread oil casing to carry out degree of depth check and correction by sealing cone measurement point degree of depth proof-reading block;
B. adopt this diameter measuring device to carry out diameter school zero by sealing cone measurement point diameter proof-reading block;
C. the orienting lug of the diameter measuring device behind this school zero is placed in to the upper end of tested special thread oil casing, two registration arm are placed in tested special thread oil casing, and by a side contacts of fixation measuring head and tested sealing surface, by the flexible of movable measuring head, contact with the opposite side of tested sealing surface, now by the measured value of calibrating indicating gauge and obtain surveyed diameter.
In step a, the orienting lug of this diameter measuring device is placed in to the upper end of sealing cone measurement point degree of depth proof-reading block, by registration arm, extend the measurement point check and correction position of this degree of depth proof-reading block downwards, to carry out degree of depth check and correction, and by tight fixed bolt stationary positioned arm.
In step b, the registration arm of this diameter measuring device is placed in sealing cone measurement point diameter proof-reading block, and orienting lug is placed in to the upper end of this diameter proof-reading block, by orienting lug transverse shifting, fixation measuring head, movable measuring head are contacted with two madial walls at this place of diameter proof-reading block respectively, now to calibrating indicating gauge, carry out school zero.
Adopt technique scheme, internal thread sealing surface diameter measuring device and the measuring method thereof of this special thread oil casing have following advantage:
1, by registration arm can vertically move adjustment, thereby can determine the position, depth point (L) of measuring sealing cone measurement point, thereby can directly measure the physical size of sealing surface diameter, make measurement result accurate, effectively;
2,, by the transverse shifting of orienting lug, can facilitate school zero;
3, measuring head is fixed on registration arm lower end, and in the time of can guaranteeing to measure like this, along with the increase of the degree of depth, the measurement point at fixation measuring head place be constant to the point of fixity distance of registration arm lower end, has met the requirement of stability, is also conducive to guarantee the precision of measurement;
4, by and the calibration block of each degree of depth between contrast, also can directly measure the diameter of seal section arbitrfary point, dirigibility is good, measuring error is little, good stability, and guarantee measuring accuracy guarantees that measurement point is layout design reference mark, thereby improves the quality of products.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail:
Fig. 1 is the degree of depth check and correction view of diameter measuring device of the present invention;
Fig. 2 is the degree of depth check and correction view of diameter measuring device of the present invention;
Fig. 3 is the degree of depth school zero condition schematic diagram of diameter measuring device of the present invention;
Fig. 4 is the measurement diameter view of diameter measuring device of the present invention.
Embodiment
As shown in Figure 3, the internal thread sealing surface diameter measuring device of special thread oil casing of the present invention mainly comprises that a rail arms 1, a pair of registration arm 2, a pair of orienting lug 3, the movable measuring head 5 of a fixation measuring head 4, one and calibrate indicating gauge 6, two registration arm 2 symmetries are inwardly tilting, and respectively longitudinally through each self-corresponding orienting lug 3, and laterally slide and be located in rail arms 1 by orienting lug 3, so, registration arm 2 can move up and down respectively in orienting lug 3, and moves left and right in rail arms 1 by orienting lug 3; Calibrating indicating gauge 6 is located between two registration arm 2, one side is horizontally connected with stabilizer bar 7, another side is laterally provided with flexible measuring staff 8, fixation measuring head 4 is located at the end of stabilizer bar 7, and fix with registration arm 2 lower ends of homonymy, flexible measuring staff 8 ends are through registration arm 2 lower ends of homonymy, and movable measuring head 5 is located at the end of flexible measuring staff 8.So, movable measuring head 5 can carry out transversal stretching with flexible measuring staff 8, when two measuring heads 4,5 contact with the sidewall measurement point of the internal thread sealing surface (section) of tested special thread oil casing 9 respectively, distance between two measuring heads 4,5 equals the diameter at this place of sealing surface, and calibrates the diameters that indicating gauge 6 could record and show this place.
The tapering of the angle of inclination of above-mentioned registration arm 2 and tested special thread oil casing 9 internal threads is suitable,
Between above-mentioned registration arm 2 and corresponding orienting lug 3, by tight fixed bolt 10a, fix, when unclamping tight fixed bolt 10a, can position the adjustment of the degree of depth up and down of arm 2; And also by tight fixed bolt 10b, fix between orienting lug 3 and rail arms 1, when unclamping this tight fixed bolt 10b, can carry out horizontally slipping of orienting lug 3.
Above-mentioned fixation measuring head 4 and movable measuring head 5 are by fixed cover 11, to be fixedly connected on respectively the end of stabilizer bar 7 and flexible measuring staff 8, and registration arm 2 lower ends are equipped with mounting hole, described fixed cover 11 is arranged in respectively in the mounting hole of homonymy registration arm 2 lower ends, and it is fixing to pass through holding screw 12, thereby guaranteed the stability of measuring head 4,5.
Above-mentioned stabilizer bar 7 can adopt thread connecting mode, according to the measurement demand of different-diameter, and the stabilizer bar 7 of conveniently replaced different length.
In addition, above-mentioned orienting lug 3 bottoms are also respectively equipped with wear-resisting supporting plate 13, can slow down the wearing and tearing of orienting lug 3, avoid affecting measuring accuracy.
Adopt the internal thread sealing surface diameter measuring device of special thread oil casing of the present invention to measure the method for sealing surface diameter, specifically comprise the following steps:
A. adopt the internal thread sealing surface diameter measuring device of special thread oil casing to carry out degree of depth check and correction by sealing cone measurement point degree of depth proof-reading block 14, specifically refer to Fig. 1, first the orienting lug of this diameter measuring device 3 is placed in to the upper end of sealing cone measurement point degree of depth proof-reading block 14, by registration arm 2, extend again the measurement point check and correction position of this degree of depth proof-reading block 14 downwards, take and carry out degree of depth check and correction (degree of depth is L), finally by tight fixed bolt stationary positioned arm 2, to obtain the fixing L that fathoms.
B. adopt this diameter measuring device to carry out diameter school zero by sealing cone measurement point diameter proof-reading block 15, specifically refer to Fig. 2, first the registration arm 2 of the diameter measuring device after degree of depth check and correction is placed in sealing cone measurement point diameter proof-reading block 15, and orienting lug 3 is placed in to the upper end of this diameter proof-reading block 15, then by orienting lug 3 transverse shiftings, fixation measuring head 4, movable measuring head 5 are contacted with two madial walls at diameter proof-reading block 15 these places (degree of depth L) respectively, now to calibrating indicating gauge 6, carry out school zero.
C. the orienting lug 3 of the diameter measuring device behind this school zero is placed in to the upper end of tested special thread oil casing 9, two registration arm 2 are placed in tested special thread oil casing 9 (degree of depth is fixed as L), and by a side contacts of fixation measuring head 4 and tested sealing surface, by the flexible of movable measuring head 5, contact with the opposite side of tested sealing surface, now, distance between two measuring heads 4,5 is the distance between tested sealing surface effective diameter measurement point, and by the measured value of calibrating indicating gauge 6 and obtain surveyed diameter.
In sum, the internal thread sealing surface diameter measuring device of special thread oil casing of the present invention has solved existing measurer cannot directly measure the tubing and casing sealing surface problem of appointment place diameter arbitrarily, by changing different calibration blocks, can realize the direct measurement to any place effective diameter of special thread oil casing sealing surface.
But; those skilled in the art will recognize that; above-mentioned embodiment is exemplary; in order better to make those skilled in the art can understand this patent; can not be interpreted as it is the restriction to this patent protection domain; so long as according to spirit that this patent discloses do be anyly equal to change or modify, all fall into the scope of this patent protection.
Claims (10)
1. the internal thread sealing surface diameter measuring device of a special thread oil casing, it is characterized in that: comprise a rail arms, a pair of registration arm, a pair of orienting lug, one fixation measuring head, one movable measuring head and one is calibrated indicating gauge, two registration arm symmetries are inwardly tilting, and respectively longitudinally through each self-corresponding orienting lug, and laterally slide and be located in rail arms by orienting lug, calibrating indicating gauge is located between two registration arm, one side is horizontally connected with stabilizer bar, another side is laterally provided with flexible measuring staff, fixation measuring head is located at the end of stabilizer bar, fix with the registration arm lower end of homonymy, flexible measuring staff end is through the registration arm lower end of homonymy, movable measuring head is located at the end of flexible measuring staff.
2. the internal thread sealing surface diameter measuring device of special thread oil casing according to claim 1, is characterized in that: the tapering of the angle of inclination of described registration arm and tested button oil casing internal thread is suitable.
3. the internal thread sealing surface diameter measuring device of special thread oil casing according to claim 1, is characterized in that: between described registration arm and corresponding orienting lug, by tight fixed bolt, fix.
4. the internal thread sealing surface diameter measuring device of special thread oil casing according to claim 1, is characterized in that: between described orienting lug and rail arms, by tight fixed bolt, fix.
5. the internal thread sealing surface diameter measuring device of special thread oil casing according to claim 1, is characterized in that: described fixation measuring head and movable measuring head are fixedly connected on respectively the end of stabilizer bar and flexible measuring staff by fixed cover.
6. the internal thread sealing surface diameter measuring device of special thread oil casing according to claim 5, it is characterized in that: described registration arm lower end is equipped with mounting hole, described fixed cover is arranged in respectively in the mounting hole of homonymy registration arm lower end, and fixes by holding screw.
7. the internal thread sealing surface diameter measuring device of special thread oil casing according to claim 1, is characterized in that: described orienting lug bottom is also respectively equipped with wear-resisting supporting plate.
8. an internal thread sealing surface diameter measuring method for special thread oil casing, is characterized in that: comprise the following steps:
A. adopt the internal thread sealing surface diameter measuring device of special thread oil casing to carry out degree of depth check and correction by sealing cone measurement point degree of depth proof-reading block;
B. adopt this diameter measuring device to carry out diameter school zero by sealing cone measurement point diameter proof-reading block;
C. the orienting lug of the diameter measuring device behind this school zero is placed in to the upper end of tested special thread oil casing, two registration arm are placed in tested special thread oil casing, and by a side contacts of fixation measuring head and tested sealing surface, by the flexible of movable measuring head, contact with the opposite side of tested sealing surface, thereby by the measured value of calibrating indicating gauge and obtain surveyed diameter.
9. the internal thread sealing surface diameter measuring device of special thread oil casing according to claim 8, it is characterized in that: in step a, the orienting lug of this diameter measuring device is placed in to the upper end of sealing cone measurement point degree of depth proof-reading block, by registration arm, extend the measurement point check and correction position of this degree of depth proof-reading block downwards, to carry out degree of depth check and correction, and by tight fixed bolt stationary positioned arm.
10. the internal thread sealing surface diameter measuring device of special thread oil casing according to claim 8, it is characterized in that: in step b, the registration arm of this diameter measuring device is placed in sealing cone measurement point diameter proof-reading block, and orienting lug is placed in to the upper end of this diameter proof-reading block, by orienting lug transverse shifting, fixation measuring head, movable measuring head are contacted with two madial walls at this place of diameter proof-reading block respectively, then carry out school zero to calibrating indicating gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381545.1A CN104154844A (en) | 2014-07-29 | 2014-07-29 | Device for measuring internal thread sealing surface diameter of special oil-buckling casing pipe and measuring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381545.1A CN104154844A (en) | 2014-07-29 | 2014-07-29 | Device for measuring internal thread sealing surface diameter of special oil-buckling casing pipe and measuring method thereof |
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| Publication Number | Publication Date |
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| CN104154844A true CN104154844A (en) | 2014-11-19 |
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| CN201410381545.1A Pending CN104154844A (en) | 2014-07-29 | 2014-07-29 | Device for measuring internal thread sealing surface diameter of special oil-buckling casing pipe and measuring method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458090A (en) * | 2014-11-28 | 2015-03-25 | 中国石油天然气集团公司 | Logging instrument sidewall contact device universal measuring device |
| CN106767301A (en) * | 2015-11-19 | 2017-05-31 | 綦江永跃齿轮有限公司 | Larger diameter internal bore measuring instrument |
| 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 |
| CN106767303A (en) * | 2015-11-19 | 2017-05-31 | 綦江永跃齿轮有限公司 | Adjustable length 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 |
| 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 |
| CN106767304A (en) * | 2015-11-19 | 2017-05-31 | 綦江永跃齿轮有限公司 | Spiral expanding formula Endoporus measuring device |
| 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 |
| CN109506585A (en) * | 2018-10-22 | 2019-03-22 | 江苏理工学院 | It is a kind of based on the petroleum casing pipe size device measured indirectly |
| CN113074615A (en) * | 2021-03-31 | 2021-07-06 | 金雷科技股份公司 | Measuring device and measuring method for inner cone of large part |
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2014
- 2014-07-29 CN CN201410381545.1A patent/CN104154844A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458090A (en) * | 2014-11-28 | 2015-03-25 | 中国石油天然气集团公司 | Logging instrument sidewall contact device universal measuring device |
| CN106767301A (en) * | 2015-11-19 | 2017-05-31 | 綦江永跃齿轮有限公司 | Larger diameter internal bore measuring instrument |
| 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 |
| CN106767303A (en) * | 2015-11-19 | 2017-05-31 | 綦江永跃齿轮有限公司 | Adjustable length 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 |
| 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 |
| CN106767304A (en) * | 2015-11-19 | 2017-05-31 | 綦江永跃齿轮有限公司 | Spiral expanding formula Endoporus measuring device |
| 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 |
| CN109506585A (en) * | 2018-10-22 | 2019-03-22 | 江苏理工学院 | It is a kind of based on the petroleum casing pipe size device measured indirectly |
| CN113074615A (en) * | 2021-03-31 | 2021-07-06 | 金雷科技股份公司 | Measuring device and measuring method for inner cone of large part |
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Application publication date: 20141119 |