CN202814935U - Hollow-axis internal flaw distance depth compensation quantitative detection test block - Google Patents
Hollow-axis internal flaw distance depth compensation quantitative detection test block Download PDFInfo
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- CN202814935U CN202814935U CN2012201188480U CN201220118848U CN202814935U CN 202814935 U CN202814935 U CN 202814935U CN 2012201188480 U CN2012201188480 U CN 2012201188480U CN 201220118848 U CN201220118848 U CN 201220118848U CN 202814935 U CN202814935 U CN 202814935U
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Abstract
The utility model provides a hollow-axis internal flaw distance depth compensation quantitative detection test block which can be used for detecting and evaluating a DAC (Distance Amplitude Correction) curve of a hollow-axis ultrasonic flaw detection system. The hollow-axis internal flaw distance depth compensation quantitative detection test block comprises a cuboid test block body, wherein the bottom of the test block body is provided with a plurality of stepped opening slots, the top of the test block body is provided with a concave arc surface along the length direction of the test block body, and the axial line of the concave arc surface is parallel to the length direction of the test block body; and the end surface of the top of the test block body is provided with a scaleplate, and the lower surface of each stepped opening slot in the bottom of the test block body is provided with a flat-bottom hole, wherein the flat-bottom holes are different in depth away from the bottom surface of the test block body. The hollow-axis internal flaw distance depth compensation quantitative detection test block provided by the utility model can be used for accurately and conveniently testing the DAC curve of the hollow-axis ultrasonic flow detection probe and is complete in specification and convenient to carry.
Description
Technical field
The utility model relates to a kind of pick-up unit, especially a kind of tubular shaft inherent vice quantitatively detects test block apart from depth compensation, carries out the detection test block that the DAC curve is tested for domestic CRH series and " Pioneer " motor train unit vehicle hollow car-axle supersonic inspection probe.
Background technology
The DAC curve test test block pattern that present domestic UT (Ultrasonic Testing) is used is various, and technology is tending towards maturing, but still not quantitatively do not detect the test block of evaluation for the tubular shaft inherent vice, particularly a kind ofly can test the performance of CRH series and " Pioneer " motor train unit hollow car-axle supersonic inspection probe and in the defect-detecting equipment daily servicing, can carry out DAC curve test test block apart from degree of depth correction-compensation to probe.
The utility model content
The utility model provides a kind of tubular shaft inherent vice that can detect exactly the DAC curve of evaluation tubular shaft ultrasonic fault detection system quantitatively to detect test block apart from depth compensation.
The tubular shaft inherent vice that realizes the utility model purpose quantitatively detects test block apart from depth compensation, the test block body that comprises rectangular shape, test block body bottom is provided with a plurality of stepped appearance open slots, test block body top has along the recessed arc surface of test block body length direction, and the axis of the female arc surface parallels with test block body length direction; Test block body top end mask has scaleplate, and the lower surface of the stepped appearance open slot of test block body bottom has apart from the flat-bottom hole of test block body bottom surface different depth.
The stepped appearance open slot lower surface of described test block body bottom is the plane.
The stepped appearance open slot lower surface of described test block body bottom is the face of cylinder that is recessed into the arc surface coaxial cable with test block body top.
The axis of described flat-bottom hole and the axis of recessed arc surface are perpendicular.
Tubular shaft inherent vice of the present utility model is as follows apart from the beneficial effect that depth compensation quantitatively detects test block:
Tubular shaft inherent vice of the present utility model quantitatively detects test block apart from depth compensation, can test out accurately, easily the DAC curve of tubular shaft ultrasonic-wave flaw-detecting probe, and complete in specifications, easy to carry.
Description of drawings
Fig. 1 is tubular shaft inherent vice of the present utility model quantitatively detects test block apart from depth compensation structural representation.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is tubular shaft inherent vice of the present utility model quantitatively detects another embodiment of test block apart from depth compensation structural representation.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is the tubular shaft inherent vice of utility model quantitatively detects test block apart from depth compensation work synoptic diagram.
Embodiment
Embodiment 1
As shown in Figure 1, 2, the tubular shaft inherent vice of present embodiment quantitatively detects test block apart from depth compensation, the test block body 2 that comprises rectangular shape, test block body 2 bottoms are provided with a plurality of stepped appearance open slots 4, test block body 2 tops have along the recessed arc surface 5 of test block body 2 length directions, and the axis of the female arc surface 5 parallels with test block body 2 length directions; Test block body 2 top end masks have scaleplate 1, and the lower surface of the stepped appearance open slot 4 of test block body 2 bottoms has apart from the flat-bottom hole 3 of test block body 2 bottom surface different depths.
Stepped appearance open slot 4 lower surfaces of described test block body 2 bottoms are the plane or are the face of cylinder that is recessed into arc surface 5 coaxial cables with test block body top.The axis of the axis of described flat-bottom hole 3 and recessed arc surface 5 is perpendicular.
Embodiment 2
Shown in Fig. 3,4, the tubular shaft inherent vice of present embodiment quantitatively detects test block apart from depth compensation structure is identical with embodiment 1 with principle, and different is: stepped appearance open slot 4 lower surfaces of test block body 2 bottoms are the face of cylinder that is recessed into arc surface 5 coaxial cables with test block body top.
Tubular shaft inherent vice of the present utility model is as follows apart from the principle of work that depth compensation quantitatively detects test block:
Shown in Fig. 1-5, tested ultrasonic-wave flaw-detecting probe 6 and recessed arc surface 5 close contacts, along the artificial slippage ultrasonic-wave flaw-detecting probe 6 of the length direction of test block body 2, just can demonstrate ultrasonic-wave flaw-detecting probe 6 at the reflection echo of the flat-bottom hole 3 at each stepped appearance open slot 4 middle part by ultra-sonic defect detector, scaleplate 1 by test block body 2 top end faces, can determine the displacement of ultrasonic-wave flaw-detecting probe 6, thereby draw out the DAC curve of tested ultrasonic-wave flaw-detecting probe 6.
Embodiment recited above is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; design under the spiritual prerequisite not breaking away from the utility model; various distortion and improvement that the common engineering technical personnel in this area make technical solutions of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (4)
1. a tubular shaft inherent vice quantitatively detects test block apart from depth compensation, it is characterized in that: the test block body that comprises rectangular shape, test block body bottom is provided with a plurality of stepped appearance open slots, test block body top has along the recessed arc surface of test block body length direction, and the axis of the female arc surface parallels with test block body length direction; Test block body top end mask has scaleplate, and the lower surface of the stepped appearance open slot of test block body bottom has apart from the flat-bottom hole of test block body bottom surface different depth.
2. tubular shaft inherent vice according to claim 1 quantitatively detects test block apart from depth compensation, it is characterized in that: the stepped appearance open slot lower surface of described test block body bottom is the plane.
3. tubular shaft inherent vice according to claim 1 quantitatively detects test block apart from depth compensation, it is characterized in that: the stepped appearance open slot lower surface of described test block body bottom is the face of cylinder that is recessed into the arc surface coaxial cable with test block body top.
4. arbitrary described tubular shaft inherent vice quantitatively detects test block apart from depth compensation according to claim 1-3, it is characterized in that: the axis of described flat-bottom hole and the axis of recessed arc surface are perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201188480U CN202814935U (en) | 2012-03-27 | 2012-03-27 | Hollow-axis internal flaw distance depth compensation quantitative detection test block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201188480U CN202814935U (en) | 2012-03-27 | 2012-03-27 | Hollow-axis internal flaw distance depth compensation quantitative detection test block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202814935U true CN202814935U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201188480U Expired - Lifetime CN202814935U (en) | 2012-03-27 | 2012-03-27 | Hollow-axis internal flaw distance depth compensation quantitative detection test block |
Country Status (1)
| Country | Link |
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| CN (1) | CN202814935U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777239A (en) * | 2015-04-10 | 2015-07-15 | 上海和伍新材料科技有限公司 | Step-type test workpiece for ultrasonic flaw detection of low-voltage apparatus electric contacts |
| CN106198762A (en) * | 2016-06-30 | 2016-12-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | Low-floor tramcar wheel ultrasound detection sample block and method of testing thereof |
| CN106324103A (en) * | 2015-07-07 | 2017-01-11 | 金世贵 | Ultrasonic comprehensive detection test block |
| CN106872585A (en) * | 2017-03-28 | 2017-06-20 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of wheel blank axial ultrasonic wave inspection surface compensation method |
| CN109521093A (en) * | 2018-11-27 | 2019-03-26 | 中航通飞华南飞机工业有限公司 | A kind of ultrasound contrast test block applied to the detection of big thickness carbon fibre composite |
| CN109975431A (en) * | 2019-04-15 | 2019-07-05 | 中国铁道科学研究院集团有限公司金属及化学研究所 | Reference block for hollow shaft of motor train unit ultrasonic examination sensitivity calibration |
| CN110133116A (en) * | 2019-06-03 | 2019-08-16 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | A kind of wind-power tower coating detection test block |
| CN110389175A (en) * | 2018-04-16 | 2019-10-29 | 上海明华电力技术工程有限公司 | A kind of high temperature valve ultrasound detection reference block |
-
2012
- 2012-03-27 CN CN2012201188480U patent/CN202814935U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777239A (en) * | 2015-04-10 | 2015-07-15 | 上海和伍新材料科技有限公司 | Step-type test workpiece for ultrasonic flaw detection of low-voltage apparatus electric contacts |
| CN106324103A (en) * | 2015-07-07 | 2017-01-11 | 金世贵 | Ultrasonic comprehensive detection test block |
| CN106198762A (en) * | 2016-06-30 | 2016-12-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | Low-floor tramcar wheel ultrasound detection sample block and method of testing thereof |
| CN106198762B (en) * | 2016-06-30 | 2019-09-13 | 中车戚墅堰机车车辆工艺研究所有限公司 | Low-floor tramcar wheel ultrasound detection sample block and its test method |
| CN106872585A (en) * | 2017-03-28 | 2017-06-20 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of wheel blank axial ultrasonic wave inspection surface compensation method |
| CN110389175A (en) * | 2018-04-16 | 2019-10-29 | 上海明华电力技术工程有限公司 | A kind of high temperature valve ultrasound detection reference block |
| CN109521093A (en) * | 2018-11-27 | 2019-03-26 | 中航通飞华南飞机工业有限公司 | A kind of ultrasound contrast test block applied to the detection of big thickness carbon fibre composite |
| CN109975431A (en) * | 2019-04-15 | 2019-07-05 | 中国铁道科学研究院集团有限公司金属及化学研究所 | Reference block for hollow shaft of motor train unit ultrasonic examination sensitivity calibration |
| CN110133116A (en) * | 2019-06-03 | 2019-08-16 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | A kind of wind-power tower coating detection test block |
| CN110133116B (en) * | 2019-06-03 | 2024-05-14 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | Wind power tower section of thick bamboo coating detects test block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |