CN202133365U - Special-purpose instrument for measuring external thread joint end chamfer angles of petroleum casing pipe and oil pipe - Google Patents
Special-purpose instrument for measuring external thread joint end chamfer angles of petroleum casing pipe and oil pipe Download PDFInfo
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- CN202133365U CN202133365U CN201120252013U CN201120252013U CN202133365U CN 202133365 U CN202133365 U CN 202133365U CN 201120252013 U CN201120252013 U CN 201120252013U CN 201120252013 U CN201120252013 U CN 201120252013U CN 202133365 U CN202133365 U CN 202133365U
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- measurement
- measuring
- external thread
- casing pipe
- petroleum casing
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Abstract
The utility model discloses a special-purpose instrument for measuring the external thread joint end chamfer angles of a petroleum casing pipe and an oil pipe, and belongs to the technical field of measuring the geometrical dimensions of the external thread joints of the petroleum casing pipe and the oil pipe. The measuring instrument comprises a standard slide bar and a measuring block, wherein the standard slide bar is provided with a horizontal measuring reference surface, the measuring block comprises a sliding part and a measuring part, the sliding part slides along the standard slide bar, the measuring part is contacted with the conical surfaces of the external thread joint end chamfer angles, and the measuring reference surface and the measuring part surface contacted with the conical surfaces form an angle of 55 degrees or 65 degrees. Via comparing the angle of the measuring block with a chamfer angle Alpha, the measuring instrument can accurately, effectively and rapidly detect whether the chamfer angle Alpha satisfies a standard requirement.
Description
Technical field
The utility model relates to petroleum casing pipe and oil tube external thread joint physical dimension field of measuring technique, particularly a kind of special measurement instrument that petroleum casing pipe and oil tube external thread joint end-beveling α are measured.
Background technology
Petroleum casing pipe and oil pipe be that the special-purpose taper thread joint through having certain taper connects into tubing string by root, accomplishes well cementation and oil recovery task in the lower going-into-well.Threaded connector divides male connection and female adapter.Accurate to dimension and interchangeability in order to ensure petroleum casing pipe and oil pipe connecting thread; Improve the safe reliability that sleeve pipe is connected with tubing thread; Physical dimension and thread parameter to sleeve pipe and tubing thread joint among API (American Petroleum Institute, American Petroleum Institute (API)) the SPEC 5B-2008 " processing of sleeve pipe, oil pipe and line pipe thread, measurement and inspection specification " have clear and definite size tolerance requirements.
Petroleum casing pipe and oil tube external thread joint end-beveling α are plane truncated cone gained bus and the external thread end face crossing angle (as shown in Figure 1) that form of chamfering place cone through the axis of thread; Chamfering α belongs to the important physical dimension parameter that API SPEC 5B requires measurement; This standard has clearly been stipulated its tolerance; Be that the α standard value is 60 ° of angles, tolerance is ± 5 °, and promptly the size of chamfering α need be between 55 ° to 65 °.At present, the measurement of angle adopts bevel protractor to accomplish mostly.
In the process that realizes the utility model, the inventor finds that there is following problem at least in prior art:
Because petroleum casing pipe and oil tube external thread joint end face and the very narrow weak point of chamfering place cone; Conventional bevel protractor and measuring method are difficult to realize this angle is effectively measured, and are difficult to confirm whether petroleum casing pipe and oil tube external thread joint end-beveling α size be qualified.
The utility model content
The utility model is in order to solve the deficiency that exists in the prior art; A kind of petroleum casing pipe and oil tube external thread joint end-beveling special measurement appearance are provided; Through measurement block angle and chamfering α are compared, can be accurate and effective, check chamfering α whether to satisfy standard-required apace.
The utility model solves the technical scheme that its technical matters adopted:
A kind of petroleum casing pipe and oil tube external thread joint end-beveling special measurement appearance; Said measuring instrument comprises standard slide bar and measurement block; Said standard slide bar is provided with the measuring basis face of level, and said measurement block comprises sliding part and measurement section, and said sliding part slides along said standard slide bar; Said measurement section contacts with the male connection end-beveling place conical surface, and the one side that said measurement section contacts with the said conical surface becomes 55 ° or 65 ° of angles with said measuring basis face.
Further, said measuring instrument also is provided with clamping screw, and said sliding part is fixed on the said standard slide bar through said clamping screw.
Particularly, said measurement block is two, is respectively left measurement block and right measurement block.
Further, said measuring instrument also comprises spacer sleeve, and said spacer sleeve is located on the said standard slide bar, and between said left measurement block and said right measurement block.
Particularly; Said measurement section is made up of last measurement section and following measurement section; The said angle of going up measurement section and said measuring basis face is 65 ° of angles, and the angle of said measurement section down and said measuring basis face is 55 ° of angles, and the position of said upward measurement section and said measurement section down is interchangeable.
Particularly, the length of said standard slide bar is 125-580mm.
The beneficial effect of the technical scheme that the utility model embodiment provides is: through measurement block angle and chamfering α are compared; Can find out to quicklook the difference that α and API SPEC 5B require; Whether thereby ability is accurate and effective, check chamfering α to meet the demands apace, thereby guarantees that petroleum casing pipe is connected safe and reliable with the oil tube external thread joint.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment; To do one to the accompanying drawing that uses among the embodiment below introduces simply; Obviously, below listed accompanying drawing only be some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the petroleum casing pipe that provides of the utility model embodiment and the synoptic diagram of oil tube external thread joint end-beveling;
Fig. 2 is the petroleum casing pipe that provides of the utility model embodiment and the oil tube external thread joint end-beveling special measurement appearance vertical view when measuring;
Fig. 3 is the petroleum casing pipe that provides of the utility model embodiment and the measurement block structural representation of oil tube external thread joint end-beveling special measurement appearance;
Fig. 4 is the petroleum casing pipe that provides of the utility model embodiment and the left view of oil tube external thread joint end-beveling special measurement appearance;
Fig. 5 a-5e is the whether qualified evaluation method synoptic diagram of petroleum casing pipe and oil tube external thread joint end-beveling.
In the accompanying drawing, the component list of each label representative is following:
1, left measurement block, 2, right measurement block, 3, the standard slide bar, 4, the measuring basis face, 5, clamping screw, 6, spacer sleeve, 7, male connection, 8, go up measurement section, 9, sliding part, 10, measurement section down.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model embodiment is done to describe in detail further below.
Embodiment 1
The utility model embodiment provides a kind of petroleum casing pipe and oil tube external thread joint end-beveling special measurement appearance.Referring to Fig. 2, said measuring instrument comprises standard slide bar 3 and measurement block, and standard slide bar 3 is provided with the measuring basis face 4 of level.Referring to Fig. 3, said measurement block comprises sliding part 9 and measurement section, and simultaneously referring to Fig. 4, sliding part 9 passes standard slide bar 3 and can slide along standard slide bar 3.Referring to Fig. 2; During measurement; Measuring basis face 4 is close to tested male connection 7 end faces; Standard slide bar 3 slides into the tested male connection 7 end-bevelings place conical surface and contacts the one side that said measurement section contacts with the said conical surface and 4 one-tenth 55 ° in measuring basis face or 65 ° of angles said measurement section in the drive lower edge of sliding part 9.Said in the present embodiment measurement block can be two, wherein one with 4 one-tenth 55 ° of angles of measuring basis face, another piece becomes 65 ° of angles with the measuring basis face; Also can be that a said measurement block is provided with two different said measurement section, 4 one-tenth 55 ° of angles of one of them said measurement section and measuring basis face, another becomes 65 ° of angles with the measuring basis face, and the utility model embodiment does not do concrete qualification to it.
The special measurement appearance that the utility model embodiment provides; Through measurement block angle and chamfering α are compared; Referring to Fig. 5 a-5e; In the time of in the size of chamfering α drops on 55 ° of angles and 65 ° of angular regions, meet the requirement of API SPEC 5B, can guarantee petroleum casing pipe and safe and reliable being connected of oil tube external thread joint chamfer dimesion.Therefore, special measurement appearance that the utility model embodiment provides can be accurate and effective, check chamfering α whether to satisfy standard-required apace, thereby the male connection of guaranteeing petroleum casing pipe and oil pipe is connected safe and reliable.
Petroleum casing pipe that the utility model embodiment provides and oil tube external thread joint end-beveling special measurement appearance also can be used at other field, only need according to the measurement needs during application, and the angle that changes measurement section and measuring basis face gets final product.
Present embodiment has been done further improvement on the basis of embodiment 1, the concrete improvement as follows:
Referring to Fig. 2 and Fig. 4, measure for ease, when measuring, can measurement block be fixed on the standard slide bar 3; Said measuring instrument also is provided with clamping screw 5; During measurement, after the sliding part 9 of said measurement block moves to position to be measured, be fixed on the standard slide bar 3 through clamping screw 5.
Referring to Fig. 2, said measuring instrument can be fixed in the male connection 7 in order to measure, said measurement block is two, is respectively left measurement block 1 and right measurement block 2.During measurement; Adjust the position of left measurement block 1 and right measurement block 2 respectively; Be fixed on the standard slide bar 3 through clamping screw 5; So left measurement block 1 clamps the conical surface of the chamfering left and right sides respectively with right measurement block 2, thereby said measuring instrument is fixed in the male connection 7, observes the difference of chamfering α and measurement section angle after fixing more easily.
Referring to Fig. 2; Further, run foul of each other when preventing that left measurement block 1 and right measurement block 2 from sliding on standard slide bar 3, the measuring instrument that present embodiment provides also comprises spacer sleeve 6; Spacer sleeve 6 is located on the standard slide bar 3, and between left measurement block 1 and right measurement block 2.
Referring to Fig. 2; Measure for ease; Said measurement section is made up of last measurement section (B mark part among the figure) and following measurement section (A mark part among the figure); The said angle of going up measurement section and said measuring basis face is 65 ° of angles, and the angle of said measurement section down and said measuring basis face is 55 ° of angles, and the position of said upward measurement section and said measurement section down is interchangeable.
Through measurement section and following measurement section are set, during measurement, only need said measuring instrument is put upside down the replacement that a upper/lower positions can be realized 55 ° and 65 ° angles, need not to change measurement block.
The measuring instrument that the utility model embodiment provides can be realized different size sleeve pipe and the whether qualified measurement of oil tube external thread joint end chamfer dimesion through the standard slide bar 3 that changes different length.Choosing of standard slide bar 3 can be with reference to table 1.
| Sequence number | Thread type | Standard slide bar length (mm) |
| 1 | Round thread | 125 |
| 2 | Round thread/buttress thread | 180 |
| 3 | Round thread/buttress thread | 260 |
| 4 | Round thread/buttress thread | 400 |
| 5 | Round thread/buttress thread | 580 |
Table 1 standard slide bar length is selected reference table for use
It is following that whether qualified measuring instrument that the utility model embodiment provides pass judgment on chamfering α standard:
Pass judgment on criterion I: when detecting petroleum casing pipe and oil tube external thread joint 7 end-beveling α,, chamfering α is described, judges that then petroleum casing pipe and oil tube external thread joint 7 end-bevelings are defective less than 55 ° of lower limits if the shade of shape shown in Fig. 5 a occurs with the A end;
Pass judgment on criterion II: when detecting petroleum casing pipe and oil tube external thread joint 7 end-beveling α with the B end; If the shade of shape shown in Fig. 5 b occurs; Chamfering α is described greater than 65 ° of higher limits, judges that then the male connection 7 end-beveling α of petroleum casing pipe and oil pipe are defective;
Pass judgment on criterion III: no matter detect or when detecting with A end check petroleum casing pipe with oil tube external thread joint 7 chamfering α,, judge that then petroleum casing pipe and oil tube external thread joint 7 end-beveling α are qualified as if Fig. 5 c situation occurring with the B end with the A end;
Pass judgment on criterion IV: when detecting petroleum casing pipe and oil tube external thread joint 7 end-beveling α,, explain that chamfering α is greater than 55 ° of lower limits if the shade of shape shown in Fig. 5 d occurs with the A end; Detect petroleum casing pipe and oil tube external thread joint 7 end-beveling α with the B end again; If the shade of shape shown in Fig. 5 e occurs; Chamfering α is described less than 65 ° of higher limits, promptly the scope of chamfering α judges that then petroleum casing pipe and oil tube external thread joint 7 end-beveling α are qualified between 55 ° and 65 °.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (6)
1. petroleum casing pipe and oil tube external thread joint end-beveling special measurement appearance; It is characterized in that said measuring instrument comprises standard slide bar and measurement block, said standard slide bar is provided with the measuring basis face of level; Said measurement block comprises sliding part and measurement section; Said sliding part slides along said standard slide bar, and said measurement section contacts with the male connection end-beveling place conical surface, and the one side that said measurement section contacts with the said conical surface becomes 55 ° or 65 ° of angles with said measuring basis face.
2. petroleum casing pipe according to claim 1 and oil tube external thread joint end-beveling special measurement appearance is characterized in that said measuring instrument also is provided with clamping screw, and said sliding part is fixed on the said standard slide bar through said clamping screw.
3. petroleum casing pipe according to claim 1 and oil tube external thread joint end-beveling special measurement appearance is characterized in that said measurement block is specially two, are respectively left measurement block and right measurement block.
4. petroleum casing pipe according to claim 3 and oil tube external thread joint end-beveling special measurement appearance; It is characterized in that; Said measuring instrument also comprises spacer sleeve, and said spacer sleeve is located on the said standard slide bar, and between said left measurement block and said right measurement block.
5. petroleum casing pipe according to claim 1 and oil tube external thread joint end-beveling special measurement appearance; It is characterized in that; Said measurement section is made up of last measurement section and following measurement section; The said angle of going up measurement section and said measuring basis face is 65 ° of angles, and the angle of said measurement section down and said measuring basis face is 55 ° of angles, and the position of said upward measurement section and said measurement section down is interchangeable.
6. petroleum casing pipe according to claim 1 and oil tube external thread joint end-beveling special measurement appearance is characterized in that the length of said standard slide bar is 125-580mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120252013U CN202133365U (en) | 2011-07-18 | 2011-07-18 | Special-purpose instrument for measuring external thread joint end chamfer angles of petroleum casing pipe and oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120252013U CN202133365U (en) | 2011-07-18 | 2011-07-18 | Special-purpose instrument for measuring external thread joint end chamfer angles of petroleum casing pipe and oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202133365U true CN202133365U (en) | 2012-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120252013U Expired - Lifetime CN202133365U (en) | 2011-07-18 | 2011-07-18 | Special-purpose instrument for measuring external thread joint end chamfer angles of petroleum casing pipe and oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202133365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596401A (en) * | 2015-01-15 | 2015-05-06 | 安徽省神虹变压器股份有限公司 | Detection device for reel iron core winding process |
| CN107434201A (en) * | 2016-05-25 | 2017-12-05 | 东芝电梯株式会社 | The angle display and angle adjusting method of guide rail |
-
2011
- 2011-07-18 CN CN201120252013U patent/CN202133365U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596401A (en) * | 2015-01-15 | 2015-05-06 | 安徽省神虹变压器股份有限公司 | Detection device for reel iron core winding process |
| CN107434201A (en) * | 2016-05-25 | 2017-12-05 | 东芝电梯株式会社 | The angle display and angle adjusting method of guide rail |
| CN107434201B (en) * | 2016-05-25 | 2020-01-17 | 东芝电梯株式会社 | Angle indicator of guide rail and angle adjusting method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120201 |