CN202485606U - Rapid measuring device of chamfering diameter of external thread connector - Google Patents
Rapid measuring device of chamfering diameter of external thread connector Download PDFInfo
- Publication number
- CN202485606U CN202485606U CN2012201271755U CN201220127175U CN202485606U CN 202485606 U CN202485606 U CN 202485606U CN 2012201271755 U CN2012201271755 U CN 2012201271755U CN 201220127175 U CN201220127175 U CN 201220127175U CN 202485606 U CN202485606 U CN 202485606U
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Abstract
The utility model discloses a rapid measuring device of a chamfering diameter of an external thread connector. The rapid measuring device comprises a measuring sample plate, wherein the whole structure of the measuring sample plate is in a U shape; convex measuring end faces are arranged on straight arms at the left and right sides of the measuring plate respectively; a measuring block is further arranged on the straight arm at the left side of the measuring plate; and measuring scale lines are arranged on the measuring end face of the straight arm at the right side. With the adoption of the rapid measuring device of the chamfering diameter of the external thread connector, the problem that the chamfering diameter of the external thread connector cannot be measured directly, accurately and rapidly; and the working efficiency in product machining measurement and on-site inspection is improved greatly on the premise of fully ensuring the measuring accuracy.
Description
Technical field
The utility model relates to oil with drilling tool threaded connector physical dimension field of measuring technique, specifically is a kind of rapid measurement device of male connection chamfering diameter.
Background technology
Oil drilling tools is that the special-purpose taper thread joint through having certain taper connects into drill string by root, accomplishes the drilling well task in the lower going-into-well, divides male connection and female adapter.Accurate to dimension and interchangeability in order to ensure the oil drilling tools connecting thread; Improve the safe reliability that drilling tool is threaded, all the physical dimension and the thread parameter of drilling tool threaded connector had clear and definite size tolerance requirements in API SPEC5DP-2009 " drilling rod standard " (API Std) and the ISO 11961:2008 standard.
Tool joint chamfering diameter belongs to the important physical dimension parameter that API SPEC 5DP-2009 " drilling rod standard " requires measurement, and this standard has been stipulated its tolerance simultaneously.Tool joint chamfering diameter is that fillet surface and seal face intersect a circular diameter that forms, and conventional instrumentation and testing method is difficult to realize this diameter is carried out accurate and effective, measurement fast when the examination and test of products.
The utility model content
The purpose of the utility model is to solve existing pick-up unit can't accurately measure oil drilling tools male connection chamfering circular diameter D; And the problem that surveying work efficient is not high provides a kind of rapid measurement device that can carry out male connection chamfering diameter accurate and effective, that measure fast to oil drilling tools male connection chamfering diameter.
The measurement mechanism of a kind of male connection chamfering diameter that provides according to the utility model comprises:
Measure model;
Said measurement model one-piece construction takes the shape of the letter U;
Be respectively arranged with protruding measurement end face on the said measurement model and arranged on left and right sides straight-arm;
Also be provided with measurement block on the straight-arm of said measurement model left side;
Measurement end face on the straight-arm of said right side is provided with the measurement scale mark.
Further, said measurement block is triangular structure and exceeds the measurement end face on the straight-arm of said left side.
Further, the supplementary angle angle of the angle of the measurement end face on said measurement block and the said left side straight-arm is less than the angle of the male connection chamfering of measuring with needs.
Further; The end points of the angle of the measurement end face on said measurement block and the said left side straight-arm is the O point; Said measurement scale mark is provided with A point, B point; Be the minimum value Lmin of male connection chamfering diameter apart from OA between O point to the A scale, between O point to the B scale is the maximal value Lmax of male connection chamfering diameter apart from OB.
The rapid measurement device of a kind of male connection chamfering diameter that the utility model provides; Fully guaranteeing to measure under the prerequisite of accuracy; Solve the directly problem of fast and accurate measurement of oil drilling tools male connection chamfering diameter, greatly improved the work efficiency of product in-process measurement and field test.
Description of drawings
Fig. 1 is the structural representation of a kind of male connection chamfering diameter rapid measurement device of providing of the utility model embodiment;
Fig. 2 is the measuring process synoptic diagram of structure shown in Figure 1;
Fig. 3 is the fundamental diagram of male connection chamfering diameter rapid measurement device shown in Figure 1.
Embodiment
In conjunction with shown in Figure 1, a kind of male connection chamfering diameter rapid measurement device that the utility model provides comprises: measure model 1.Measure model 1 one-piece construction and be set to U-shaped, be used for effectively dodging the male connection entity.Measure and be respectively arranged with protruding measurement end face 3 on the model 1 and arranged on left and right sides straight-arm.Measuring the protruding measurement end face of the and arranged on left and right sides straight-arm of model 13 is to measure Handheld Division 2 with the lower part.Measure on the model 1 left side straight-arm and also be provided with measurement block 4, the measurement end face 3 on the straight-arm of right side is provided with measures scale mark 5.Measurement block 4 is for triangular structure and exceed the measurement end face 3 on the straight-arm of left side.Consider the mismachining tolerance of fillet surface; Produce during for fear of measurement and interfere error; The supplementary angle angle of the angle a of the measurement end face 3 on measurement block 4 and the left side straight-arm is less than the angle of the male connection chamfering of measuring with needs; Be set to ∠ a=40 °, the angle of general male connection chamfering is 45 °.The end points of the angle of the measurement end face 3 on measurement block 4 and the left side straight-arm is the O point; Measure scale mark 5 and be provided with A point, B point; Be the minimum value Lmin of male connection chamfering diameter apart from OA between O point to the A scale, between O point to the B scale is the maximal value Lmax of male connection chamfering diameter apart from OB.Range difference | OA-OB| is for measuring the tolerance value of male connection chamfering diameter | Lmax-Lmin|, judge whether male connection chamfering diameter is qualified through tolerance value.
The utility model provides a kind ofly uses above-mentioned male connection chamfering diameter rapid measurement device to measure the method for male connection chamfering diameter fast; In conjunction with Fig. 2, shown in Figure 3; During measurement; Measurement block 4 is provided with the end that O orders is close to drilling tool male connection 6 fillet surfaces one end; And two of keep measuring model 1 measure end faces 3 simultaneously and the male connection end face fit, keep measurement block 4 and the end that male connection 6 is fitted to fix then, make to be provided with an end of measuring scale mark 5 and on the male connection end face, to do arc swing; Whether the maximum position of observing chamfering circle 7 diameters is between the A point of measuring scale mark 5 and position that B order, and whether the maximum turning point of promptly confirming round 7 diameters of chamfering is between the tolerance range of measurement scale mark 5.When the maximum turning point of chamfering circle 7 diameters within OA, it is less than normal explain that chamfering is justified 7 diameters.When the maximum turning point of chamfering circle 7 diameters outside OB, it is bigger than normal explain that chamfering is justified 7 diameters.When the maximum turning point of chamfering circle 7 diameters between AB, explain that then the chamfering circular diameter meets tolerance.So just finally accomplished measurement to oil drilling tools male connection chamfering diameter.
The rapid measurement device of a kind of male connection chamfering diameter that the utility model provides; Fully guaranteeing to measure under the prerequisite of accuracy; Solve the problem that oil drilling tools male connection chamfering diameter can't directly accurately be measured, greatly improved the work efficiency of product in-process measurement and field test.
The foregoing description is the utility model preferred implementation; But the embodiment of the utility model is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit and the principle of the utility model, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within the protection domain of the utility model.
Claims (4)
1. the rapid measurement device of a male connection chamfering diameter is characterized in that, comprising:
Measure model;
Said measurement model one-piece construction takes the shape of the letter U;
Be respectively arranged with protruding measurement end face on the said measurement model and arranged on left and right sides straight-arm;
Also be provided with measurement block on the straight-arm of said measurement model left side;
Measurement end face on the straight-arm of said right side is provided with the measurement scale mark.
2. the rapid measurement device of male connection chamfering diameter as claimed in claim 1 is characterized in that:
Said measurement block is triangular structure and exceeds the measurement end face on the straight-arm of said left side.
3. the measurement mechanism of male connection chamfering diameter as claimed in claim 2 is characterized in that:
The supplementary angle angle of the angle of the measurement end face on said measurement block and the said left side straight-arm is less than the angle of the male connection chamfering of measuring with needs.
4. the rapid measurement device of male connection chamfering diameter as claimed in claim 2 is characterized in that:
The end points of the angle of the measurement end face on said measurement block and the said left side straight-arm is the O point; Said measurement scale mark is provided with A point, B point; Be the minimum value Lmin of male connection chamfering diameter apart from OA between O point to the A scale, between O point to the B scale is the maximal value Lmax of male connection chamfering diameter apart from OB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201271755U CN202485606U (en) | 2012-03-29 | 2012-03-29 | Rapid measuring device of chamfering diameter of external thread connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201271755U CN202485606U (en) | 2012-03-29 | 2012-03-29 | Rapid measuring device of chamfering diameter of external thread connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202485606U true CN202485606U (en) | 2012-10-10 |
Family
ID=46960023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201271755U Expired - Fee Related CN202485606U (en) | 2012-03-29 | 2012-03-29 | Rapid measuring device of chamfering diameter of external thread connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202485606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036506A (en) * | 2017-05-24 | 2017-08-11 | 山东建筑大学 | A kind of survey tool of internal and external threads central diameter |
-
2012
- 2012-03-29 CN CN2012201271755U patent/CN202485606U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036506A (en) * | 2017-05-24 | 2017-08-11 | 山东建筑大学 | A kind of survey tool of internal and external threads central diameter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20210329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |