CN204613020U - Universal testing machine pipe flaring test apparatus - Google Patents
Universal testing machine pipe flaring test apparatus Download PDFInfo
- Publication number
- CN204613020U CN204613020U CN201520293866.6U CN201520293866U CN204613020U CN 204613020 U CN204613020 U CN 204613020U CN 201520293866 U CN201520293866 U CN 201520293866U CN 204613020 U CN204613020 U CN 204613020U
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- CN
- China
- Prior art keywords
- enlarging
- plunger tip
- test
- testing machine
- cone
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- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model is a kind of universal testing machine pipe flaring test apparatus, and comprise enlarging plunger tip, enlarging plunger tip is truncated cone, and the upper bottom surface diameter of the frustum of a cone is greater than bottom surface diameter, and the outer wall of the frustum of a cone is provided with scale mark; The top of enlarging plunger tip has been threaded a joint, for the Interference fit with universal testing machine; The below of enlarging plunger tip is provided with a bearing, and bearing is provided with reference column, for locating the pipe be connected with enlarging plunger tip lower end.The utility model can improve test efficiency and precision, decreases the surveying work amount in process of the test, and solves the uppity practical problems of enlarging rate, and enlarging plunger tip energy and different testing machines match; Ensure that the safe and efficient of process of the test.
Description
Technical field
The utility model relates to universal testing machine pipe flaring test field, is specifically related to a kind of universal testing machine pipe flaring test apparatus.
Background technology
When carrying out the flaring test of universal material testing pipe, need the manufacturer's standard design enlarging plunger tip of the different pipe of design consideration, the enlarging plunger tip of initial design is common metal-cored, although also can standard-required be met, but constantly to shut down measurement in process of the test, and the enlarging rate that flaring test reaches is wayward, during test, the location of pipe also needs repeatedly to carry out, otherwise easily pressure partially, cause test failure, there is potential safety hazard during test simultaneously, therefore, the standard configuration pressure head that general universal testing machine is equipped with or pressing plate can not meet the requirement of pipe flaring test.
Summary of the invention
The purpose of this utility model is to provide a kind of universal testing machine pipe flaring test apparatus, can ensure the precision of flaring test, thus correctly judges that whether pipe flaring test result is qualified, and effectively improves test efficiency and security.The purpose of this utility model is achieved through the following technical solutions.
A kind of universal testing machine pipe flaring test apparatus, comprise enlarging plunger tip, described enlarging plunger tip is truncated cone, and the upper bottom surface diameter of the described frustum of a cone is greater than bottom surface diameter, and the outer wall of the described frustum of a cone is provided with scale mark.
Further, the top of described enlarging plunger tip has been threaded a joint, for the Interference fit with universal testing machine.
Further, the below of described enlarging plunger tip is provided with a bearing, and described bearing is provided with reference column, for locating the pipe needing enlarging be connected with enlarging plunger tip lower end.
Further, described enlarging plunger tip is carbon steel material, and its surface is the rigidity layer carrying out surface hardening process after scale mark processing.
Further, the frustum of a cone cone angle number of degrees of described enlarging plunger tip are 30 degree, 45 degree or 60 degree.
The beneficial effects of the utility model are:
The design of scale mark, improves test accuracy, and the shutdown repeatedly reduced in test is measured, thus simplified process of the test, improves test efficiency and precision.
The joint design be threaded above plunger tip, makes enlarging plunger tip can realize reliable connection with different tests machine.
The use of the reference column of bearing, making in process of the test can the riding position of accurate quick position pipe.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Reference numeral: 1. joint; 2. enlarging plunger tip; 201. scale mark; 3. manage; 4. bearing; 5. reference column.
embodiment:
A kind of universal testing machine pipe flaring test apparatus, comprise enlarging plunger tip 2, enlarging plunger tip 2 is truncated cone, and the upper bottom surface diameter of the frustum of a cone is greater than bottom surface diameter, and the outer wall of the frustum of a cone is provided with scale mark 201.The top of enlarging plunger tip 2 has been threaded a joint 1, for the Interference fit with universal testing machine.The below of enlarging plunger tip 2 is provided with a bearing 4, and described bearing is provided with reference column 5, for locating the pipe 3 needing enlarging be connected with enlarging plunger tip 2 lower end.Enlarging plunger tip 2 is carbon steel material, and enlarging plunger tip surface is the rigidity layer carrying out surface hardening process after scale mark processing.
In order to adapt to different angles hole expansion test, the frustum of a cone cone angle number of degrees of described enlarging plunger tip are 30 degree, 45 degree or 60 degree.
Universal testing machine pipe flaring test apparatus, in order to improve test accuracy and reduce the measurement of shutdown repeatedly in test, add scale mark design, thus simplify the troublesome operation operation of process of the test repeated measurement, correction, improve test efficiency and precision; The Interface design of pipe flaring test plunger tip and universal testing machine is the interface pattern according to different tests machine, adds a threaded connector, makes pipe enlarging plunger tip can realize reliable connection with different tests machine.Object increases the security of test and improves efficiency and the precision of test, coordinate the use of the reference column of bearing, making in process of the test can the riding position of accurate quick position pipe, if without this cover frock, need repeatedly Correctional tube and plunger tip position, because pipe and plunger tip position all can not be fixed, efficiency is low; If plunger tip and pipe position decentraction, then bring very large hidden danger to test, also may cause test failure simultaneously.
Plunger tip, joint and bearing all can adopt 45# mild steel material, have the combination of good obdurability under quality adjustment condition, after the processing of plunger tip scale mark, carry out surface hardening process, improve the skin hardness of plunger tip.To extend the serviceable life of plunger tip, not surface treated plunger tip in the past, in use for some time, plunger tip surface can because of the interaction of power in flaring process and between pipe, cut is marked on surface, improve the roughness on plunger tip surface, thus can not testing requirements be met, then need again to process plunger tip.
Plunger tip manufacture craft: blanking → modified → processing profile and scale mark (staying mill amount) → Surface heat-treatent → polishing.According to the requirement of pipe various criterion, various types of plunger tips that plunger tip angle is 30 °, 45 °, 60 ° can be produced, according to the enlarging rate of standard-required, calculate the scale mark that the different enlarging rate of different size pipe is corresponding.
During use by plunger tip directly or be connected with universal testing machine by joint, bearing is placed in the movable platform of testing machine, and when testing machine is unloaded, aim at the position of plunger tip, the position of adjustment bearing, make the dead in line of reference column and plunger tip, behind Adjustment Tests machine movable platform position, be placed in by developmental tube on bearing, testing machine loads, flaring test starts, when the upper end of pipe is to scale mark position, can stops loading, fall movable platform, manage whether there is naked eyes visible crack after inspection enlarging, terminate test.
Claims (5)
1. a universal testing machine pipe flaring test apparatus, comprises enlarging plunger tip, it is characterized in that, described enlarging plunger tip is truncated cone, and the upper bottom surface diameter of the described frustum of a cone is greater than bottom surface diameter, and the outer wall of the described frustum of a cone is provided with scale mark.
2. flaring test apparatus according to claim 1, is characterized in that, the top of described enlarging plunger tip has been threaded a joint, for the Interference fit with universal testing machine.
3. flaring test apparatus according to claim 1, is characterized in that, the below of described enlarging plunger tip is provided with a bearing, and described bearing is provided with reference column, for locating the pipe needing enlarging be connected with enlarging plunger tip lower end.
4. flaring test apparatus according to claim 1, is characterized in that, described enlarging plunger tip is carbon steel material, and its surface is the rigidity layer carrying out surface hardening process after scale mark processing.
5. flaring test apparatus according to claim 1, is characterized in that, the frustum of a cone cone angle number of degrees of described enlarging plunger tip are 30 degree, 45 degree or 60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293866.6U CN204613020U (en) | 2015-05-08 | 2015-05-08 | Universal testing machine pipe flaring test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293866.6U CN204613020U (en) | 2015-05-08 | 2015-05-08 | Universal testing machine pipe flaring test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204613020U true CN204613020U (en) | 2015-09-02 |
Family
ID=53965570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520293866.6U Expired - Fee Related CN204613020U (en) | 2015-05-08 | 2015-05-08 | Universal testing machine pipe flaring test apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204613020U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872271A (en) * | 2017-02-22 | 2017-06-20 | 江苏通鼎光电科技有限公司 | A kind of protective metal shell flaring test device |
| CN108955484A (en) * | 2018-06-08 | 2018-12-07 | 广东联塑科技实业有限公司 | A method of detection copper insert flaring rate |
| CN109164040A (en) * | 2018-10-10 | 2019-01-08 | 中国石油天然气集团有限公司 | A kind of tubing flaring core ejecting device |
| CN111122314A (en) * | 2019-11-26 | 2020-05-08 | 河南航天精工制造有限公司 | Flaring test tool |
| CN112630006A (en) * | 2020-12-30 | 2021-04-09 | 河南航天精工制造有限公司 | Flaring test tool |
-
2015
- 2015-05-08 CN CN201520293866.6U patent/CN204613020U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872271A (en) * | 2017-02-22 | 2017-06-20 | 江苏通鼎光电科技有限公司 | A kind of protective metal shell flaring test device |
| CN108955484A (en) * | 2018-06-08 | 2018-12-07 | 广东联塑科技实业有限公司 | A method of detection copper insert flaring rate |
| CN109164040A (en) * | 2018-10-10 | 2019-01-08 | 中国石油天然气集团有限公司 | A kind of tubing flaring core ejecting device |
| CN111122314A (en) * | 2019-11-26 | 2020-05-08 | 河南航天精工制造有限公司 | Flaring test tool |
| CN112630006A (en) * | 2020-12-30 | 2021-04-09 | 河南航天精工制造有限公司 | Flaring test tool |
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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: 20150902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |