CN102230774A - Adjustable calibrating device for measuring intermediate diameter of internal thread of oil casing - Google Patents
Adjustable calibrating device for measuring intermediate diameter of internal thread of oil casing Download PDFInfo
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- CN102230774A CN102230774A CN2011101750177A CN201110175017A CN102230774A CN 102230774 A CN102230774 A CN 102230774A CN 2011101750177 A CN2011101750177 A CN 2011101750177A CN 201110175017 A CN201110175017 A CN 201110175017A CN 102230774 A CN102230774 A CN 102230774A
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- measuring staff
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Abstract
The invention relates to an adjustable calibrating device for measuring the intermediate diameter of an internal thread of an oil casing. The adjustable calibrating device comprises a fixing bracket base, wherein one end of the fixing bracket base is provided with a micrometer head fixing bracket, and the other end of the fixing bracket base is provided with a movable measuring rod fixing bracket; the micrometer head fixing bracket is provided with a micrometer head; the movable measuring rod fixing bracket is provided with a movable measuring rod; and the movable measuring rod and the micrometer head are distributed in parallel with the fixing bracket base. The adjustable calibrating device is convenient to use, and the processing cost on various specifications and a single size is greatly saved; the intermediate diameter size can be adjusted optionally between 50 millimeters and 550 millimeters, and the technical requirement is met; the accuracy is high and is almost equal to that of a micrometer, and conversion and adjustment of positive and negative sizes on a dial indicator of the intermediate diameter gauge are not required in the using process of the adjustable calibrating device; and the adjustable calibrating device has a simple and reliable structure, high stability, wide application range and high measuring accuracy, is very convenient to maintain, is easy to operate and is safe and reliable, and the measuring efficiency is increased.
Description
Technical field
The present invention relates to a kind of adjustable verifying unit, the footpath diameter is measured and is used adjustable verifying unit in especially a kind of tubing and casing internal thread, is provided with oil pipe internal thread technical field of measuring.
Background technology
At present, adopt the check and correction bar to realize to the measurement of footpath diameter in the tubing and casing internal thread more.Originally the check and correction bar is a single size of fixed processing, and measuring accuracy is not high, is used for proofreading when footpath rule are measured in the internal thread footpath diameter, and the face shield of the dial gauge that advise in the footpath in adjusting then makes the pointed zero-bit.Sometimes be to revise the zero-bit of dial gauge because of the check and correction size of bar and technological requirement size have deviation.
The dimensional discrepancy that original device technique requires forever exists, and can not adjust, and uses singlely, lacks dirigibility, uses on the dial gauge that all will therefrom directly advise each time and adjusts, and user of service's error-prone is oppositely adjusted, and easily causes the quality accident generation.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide in a kind of tubing and casing internal thread the footpath diameter to measure and use adjustable verifying unit, it is simple and compact for structure, easy to install, applied widely, the measuring accuracy height, improve efficiency of measurement, safe and reliable.
According to technical scheme provided by the invention, the footpath diameter is measured and is used adjustable verifying unit in the described tubing and casing internal thread, comprise the fixed support base, one end of described fixed support base is provided with milscale differential head fixed support, and the other end of fixed support base is provided with the movement measuring staff fixed support; Milscale differential head fixed support is provided with milscale differential head, and the movement measuring staff fixed support is provided with movement measuring staff, and described movement measuring staff and milscale differential head all parallel distribution with the fixed support base.
One end of described movement measuring staff passes the movement measuring staff fixed support, and movement measuring staff can move on the movement measuring staff fixed support; Movement measuring staff lock onto on the movement measuring staff fixed support by the movement measuring staff lock-screw, and an end of the corresponding contiguous milscale differential head of movement measuring staff forms movement measuring staff and measures face.
Described milscale differential head lock onto on the milscale differential head fixed support by milscale differential head lock-screw.
Be provided with the check and correction regulating tank that distributes along the fixed support base length in the described fixed support base; The support bracket fastened end of milscale differential head fixed support and movement measuring staff stretches in the check and correction regulating tank, and milscale differential head fixed support and movement measuring staff fixed support all can move in the check and correction regulating tank; Milscale differential head fixed support and movement measuring staff fixed support are all locked in the check and correction regulating tank that is installed in the fixed support base by the fixed support lock-screw.
The two ends of corresponding check and correction regulating tank are equipped with the bracket base screw in the described fixed support base.
The movement measuring staff of described movement measuring staff is measured and is provided with standard check and correction bar between face and milscale differential head, and the length of described standard check and correction bar is 100mm, 200mm, 300mm, 400mm or 500mm.
The two ends of described standard check and correction bar are equipped with the location of proofreading end.
The external diameter of described location of proofreading end is less than the external diameter of standard check and correction bar.
The length of described movement measuring staff is 50mm or 125mm; The measurement range of milscale differential head is 0 ~ 25mm or 0 ~ 50mm.
The length of described fixed support base is 200mm, 300mm, 400mm, 500mm or 600mm.
Advantage of the present invention: be respectively equipped with milscale differential head fixed support and movement measuring staff fixed support at the two ends of fixed support base, milscale differential head fixed support is provided with milscale differential head, and the movement measuring staff fixed support is provided with movement measuring staff; Movement measuring staff and milscale differential head are proofreaded by standard check and correction bar, by regulating milscale differential head fixed support, movement measuring staff fixed support and movement measuring staff, the measurement requirement that can adapt to footpath diameter in the different tubing and casing internal threads, easy to use, save the processing charges of the single size of many specifications in a large number; Footpath diameter size can be adjusted arbitrarily in 50 ~ 550mm scope, satisfies technical requirement; The precision height has reached the equal accuracy of milscale, need not carry out positive and negative dimensional discrepancy during use and convert and adjust on the dial gauge of middle footpath rule; Simple and reliable for structure, keep in repair very conveniently, good stability is easy to operate, and is applied widely, and the measuring accuracy height improves efficiency of measurement, and is safe and reliable.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of standard check and correction bar of the present invention.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As Fig. 1 ~ shown in Figure 2: the present invention includes milscale differential head 1, movement measuring staff 2, milscale differential head fixed support 3, movement measuring staff fixed support 4, fixed support base 5, movement measuring staff lock-screw 6, milscale differential head lock-screw 7, fixed support lock-screw 8, bracket base screw 9, standard check and correction bar 10, location of proofreading end 11, check and correction regulating tank 12 and movement measuring staff and measure face 13.
As shown in Figure 1: be provided with check and correction regulating tank 12 in the described fixed support base 5, described check and correction regulating tank 12 is along the length distribution of fixed support base 5.One end of fixed support base 5 is provided with milscale differential head fixed support 3, and the other end of fixed support base 5 is provided with movement measuring staff fixed support 4.One end of milscale differential head fixed support 3 and movement measuring staff fixed support 4 embeds respectively in the check and correction regulating tank 12, and milscale differential head fixed support 3 all can move in check and correction regulating tank 12 with movement measuring staff fixed support 4, thereby can adapt to the requirement in different measuring internal thread aperture.After milscale differential head fixed support 3 and movement measuring staff fixed support 4 were adjusted to the right place, milscale differential head fixed support 3 all was installed in the fixed support base 5 by 8 lockings of fixed support lock-screw with movement measuring staff fixed support 4.In order further to prevent milscale differential head fixed support 3 and movement measuring staff fixed support 4 landing in check and correction regulating tank 12, the bottom land two ends of the check and correction regulating tank 12 of fixed support base 5 are provided with bracket base screw 9.
Milscale differential head fixed support 3 is provided with milscale differential head 1, and movement measuring staff fixed support 4 is provided with movement measuring staff 2; Described movement measuring staff 2 all parallels distribution with the length direction of fixed support base 5 with the length direction of milscale differential head 1.One end of movement measuring staff 2 passes movement measuring staff fixed support 4, and movement measuring staff 2 can move on movement measuring staff fixed support 4; After movement measuring staff 2 adjustings put in place, movement measuring staff 2 was installed on the movement measuring staff fixed support 4 by 6 lockings of movement measuring staff lock-screw.Milscale differential head 1 is installed on the milscale differential head fixed support 3 by 7 lockings of milscale differential head lock-screw.
As depicted in figs. 1 and 2: the movement measuring staff of described movement measuring staff 2 measures face 13 and 1 on milscale differential head is provided with standard check and correction bar 10, and the two ends of described standard check and correction bar 10 all have location of proofreading end 11.The external diameter of described location of proofreading end 11 all less than the external diameter of calibration check and correction bar 10, measure face 13 by location of proofreading end 11 and movement measuring staff and contact by standard check and correction bar 10.The distance of face 13 and 1 on milscale differential head can be measured to the movement measuring staff of movement measuring staff 2 by standard check and correction bar 10, after the adjustment, the directly measurement of diameter in the different tubing and casing internal threads can be adapted to by regulating milscale differential head 1.
The measurement range of described milscale differential head 1 is 0 ~ 25mm or 0 ~ 50mm.The length of movement measuring staff 2 is 50mm or 125mm, and the length of fixed support base 5 is 200mm, 300mm, 400mm, 500mm or 600mm.The length of standard check and correction bar 10 is 100mm, 200mm, 300mm, 400mm or 500mm.
As depicted in figs. 1 and 2: during use, milscale differential head 1 is installed on the milscale differential head fixed support 3 by milscale differential head lock-screw 7, milscale differential head fixed support 3 is installed on the right-hand member of fixed support base 5 by fixed support lock-screw 8, then the reading of milscale differential head 1 is adjusted to zero.Left end with movement measuring staff fixed support 4 dark group fixed support bases 5; Select for use the standard check and correction bar 10 of Len req to be positioned over the measurement face of milscale differential head 1 and the movement measuring staff of movement measuring staff 2 is measured 13 in face, understand movement measuring staff fixed support 4 and select the position of needs, and 4 lockings of movement measuring staff fixed support are installed on the left end of fixed support base 5 by fixed support lock-screw 8.Unclamp movement measuring staff lock-screw 6, movement measuring staff 2 can be moved on movement measuring staff fixed support 4; And standard proofreaded an end of bar 10 and the measurement face of milscale differential head 1, the other end is positioned over movement measuring staff and measures face 13 and closely contact.After the location of proofreading, by movement measuring staff lock-screw 6 movement measuring staff 2 lockings are installed on the movement measuring staff fixed support 4, rotation milscale differential head 1 can easily take off standard check and correction bar 10, rotate milscale differential head 1 then and adjust needed size, thereby can carry out the measurement of footpath diameter in the corresponding tubing and casing internal thread.
The present invention is respectively equipped with milscale differential head fixed support 3 and movement measuring staff fixed support 4 at the two ends of fixed support base 5, milscale differential head fixed support 3 is provided with milscale differential head 1, and movement measuring staff fixed support 4 is provided with movement measuring staff 2; Movement measuring staff 2 is proofreaded by standard check and correction bar 10 with milscale differential head 1, by regulating milscale differential head fixed support 3, movement measuring staff fixed support 4 and movement measuring staff 2, the measurement requirement that can adapt to footpath diameter in the different tubing and casing internal threads, easy to use, save the processing charges of the single size of many specifications in a large number; Footpath diameter size can be adjusted arbitrarily in 50 ~ 550mm scope, satisfies technical requirement; The precision height has reached the equal accuracy of milscale, need not carry out positive and negative dimensional discrepancy during use and convert and adjust on the dial gauge of middle footpath rule; Simple and reliable for structure, keep in repair very conveniently, good stability is easy to operate, and is applied widely, and the measuring accuracy height improves efficiency of measurement, and is safe and reliable.
Claims (10)
1. the footpath diameter is measured and is used adjustable verifying unit in the tubing and casing internal thread, it is characterized in that: comprise fixed support base (5), one end of described fixed support base (5) is provided with milscale differential head fixed support (3), and the other end of fixed support base (5) is provided with movement measuring staff fixed support (4); Milscale differential head fixed support (3) is provided with milscale differential head (1), movement measuring staff fixed support (4) is provided with movement measuring staff (2), and described movement measuring staff (2) and milscale differential head (1) all parallel distribution with fixed support base (5).
2. the footpath diameter is measured and is used adjustable verifying unit in the tubing and casing internal thread according to claim 1, it is characterized in that: an end of described movement measuring staff (2) passes movement measuring staff fixed support (4), and movement measuring staff (2) can be gone up mobile at movement measuring staff fixed support (4); Movement measuring staff (2) lock onto on the movement measuring staff fixed support (4) by movement measuring staff lock-screw (6), and an end of the corresponding contiguous milscale differential head of movement measuring staff (2) (1) forms movement measuring staff and measures face (13).
3. the footpath diameter is measured and is used adjustable verifying unit in the tubing and casing internal thread according to claim 1, and it is characterized in that: described milscale differential head (1) lock onto on the milscale differential head fixed support (3) by milscale differential head lock-screw (7).
4. the footpath diameter is measured and is used adjustable verifying unit in the tubing and casing internal thread according to claim 1, it is characterized in that: be provided with in the described fixed support base (5) along the check and correction regulating tank (12) of fixed support base (5) length distribution; One end of milscale differential head fixed support (3) and movement measuring staff fixed support (4) stretches in the check and correction regulating tank (12), and milscale differential head fixed support (3) and movement measuring staff fixed support (4) all can move in check and correction regulating tank (12); Milscale differential head fixed support (3) and movement measuring staff fixed support (4) all are installed in the interior check and correction regulating tank (12) of fixed support base (5) by fixed support lock-screw (8) locking.
5. the footpath diameter is measured and used adjustable verifying unit in the tubing and casing internal thread according to claim 4, it is characterized in that: the two ends of corresponding check and correction regulating tank (12) are equipped with bracket base screw (9) in the described fixed support base (5).
6. the footpath diameter is measured and is used adjustable verifying unit in the tubing and casing internal thread according to claim 2, it is characterized in that: the movement measuring staff of described movement measuring staff (2) is measured and is provided with standard check and correction bar (10) between face (13) and milscale differential head (1), and the length of described standard check and correction bar (10) is 100mm, 200mm, 300mm, 400mm or 500mm.
7. the footpath diameter is measured and used adjustable verifying unit in the tubing and casing internal thread according to claim 6, it is characterized in that: the two ends of described standard check and correction bar (10) are equipped with location of proofreading end (11).
8. the footpath diameter is measured and is used adjustable verifying unit in the tubing and casing internal thread according to claim 7, and it is characterized in that: the external diameter of described location of proofreading end (11) is proofreaded the external diameter of bar (10) less than standard.
9. the footpath diameter is measured and is used adjustable verifying unit in the tubing and casing internal thread according to claim 1, and it is characterized in that: the length of described movement measuring staff (2) is 50mm or 125mm; The measurement range of milscale differential head (1) is 0 ~ 25mm or 0 ~ 50mm.
10. the footpath diameter is measured and is used adjustable verifying unit in the tubing and casing internal thread according to claim 1, and it is characterized in that: the length of described fixed support base (5) is 200mm, 300mm, 400mm, 500mm or 600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101750177A CN102230774A (en) | 2011-06-25 | 2011-06-25 | Adjustable calibrating device for measuring intermediate diameter of internal thread of oil casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101750177A CN102230774A (en) | 2011-06-25 | 2011-06-25 | Adjustable calibrating device for measuring intermediate diameter of internal thread of oil casing |
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| Publication Number | Publication Date |
|---|---|
| CN102230774A true CN102230774A (en) | 2011-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101750177A Pending CN102230774A (en) | 2011-06-25 | 2011-06-25 | Adjustable calibrating device for measuring intermediate diameter of internal thread of oil casing |
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| CN (1) | CN102230774A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063047A (en) * | 2017-06-07 | 2017-08-18 | 蒋英凯 | A kind of outside dimension accurately measures device |
| CN108267063A (en) * | 2018-03-30 | 2018-07-10 | 上海瓦姆石油天然气管业有限公司 | A kind of device measured for petroleum sleeve joint thread pitch diameter |
| CN108827116A (en) * | 2018-07-19 | 2018-11-16 | 南京工艺装备制造有限公司 | A kind of ball nut central diameter measurement structure |
| CN109443162A (en) * | 2018-12-19 | 2019-03-08 | 贵州黎阳国际制造有限公司 | Calipers and major thread central diameter measurement method in a kind of major thread |
| CN109556497A (en) * | 2018-11-28 | 2019-04-02 | 武汉武船重型装备工程有限责任公司 | A kind of detection device and method for stage reel |
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| CN202133359U (en) * | 2011-06-25 | 2012-02-01 | 无锡西姆莱斯石油专用管制造有限公司 | Adjustable verifying device for measuring oil casing internal thread pitch diameter |
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2011
- 2011-06-25 CN CN2011101750177A patent/CN102230774A/en active Pending
Patent Citations (11)
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| GB419678A (en) * | 1933-06-15 | 1934-11-16 | Ambrose Shardlow & Company Ltd | Improvements in or relating to micrometer screw gauges |
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| CN2048957U (en) * | 1988-12-06 | 1989-12-06 | 大庆石油管理局总机械厂 | Pitch gauge for external screw threads of cylinder |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063047A (en) * | 2017-06-07 | 2017-08-18 | 蒋英凯 | A kind of outside dimension accurately measures device |
| CN108267063A (en) * | 2018-03-30 | 2018-07-10 | 上海瓦姆石油天然气管业有限公司 | A kind of device measured for petroleum sleeve joint thread pitch diameter |
| CN108827116A (en) * | 2018-07-19 | 2018-11-16 | 南京工艺装备制造有限公司 | A kind of ball nut central diameter measurement structure |
| CN109556497A (en) * | 2018-11-28 | 2019-04-02 | 武汉武船重型装备工程有限责任公司 | A kind of detection device and method for stage reel |
| CN109556497B (en) * | 2018-11-28 | 2021-02-09 | 武汉武船重型装备工程有限责任公司 | Detection device and method for stage winding drum |
| CN109443162A (en) * | 2018-12-19 | 2019-03-08 | 贵州黎阳国际制造有限公司 | Calipers and major thread central diameter measurement method in a kind of major thread |
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Application publication date: 20111102 |