CN103674654B - A kind of making inverse u-shaped bend specimen device - Google Patents
A kind of making inverse u-shaped bend specimen device Download PDFInfo
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- CN103674654B CN103674654B CN201310703653.1A CN201310703653A CN103674654B CN 103674654 B CN103674654 B CN 103674654B CN 201310703653 A CN201310703653 A CN 201310703653A CN 103674654 B CN103674654 B CN 103674654B
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Abstract
The open one of the present invention makes inverse u-shaped bend specimen device, the upper steel plate (7) including stand (1), being fixed in stand (1) top and the lower steel plate (8) being fixed in stand (1) bottom, stand (1), upper steel plate (7) and lower steel plate (8) are formed and load space；Also including that depression bar (2), described depression bar (2) one end are fixed in the lower surface of upper steel plate (7), the other end is connected with half trochlear pressure head (3)；Stand (1) between upper steel plate (7) and lower steel plate (8) is provided with the slide plate (5) that can slide up and down along stand；Described slide plate (5) is provided with sample mount (4)；It is provided with slide plate (5) jacking system (6) between slide plate (5) and lower steel plate (8).Use technical scheme, it is possible to the bend specimen making inverse u-shaped small diameter thin-walled quick, convenient；And simple and compact for structure, easily assemble.
Description
Technical field
The invention belongs to U-shaped bend specimen and make field, be specifically related to a kind of nuclear steam generator and pass
A kind of making inverse u-shaped bend specimen device that heat pipe stress corrosion (cracking) test uses.
Background technology
Stress corrosion cracking is the failure mode that nuclear steam generator heat-transfer pipe is the most serious, for heat transfer
One of key subjects that always nuclear power station is faced by the research of the stress corrosion cracking of pipe.At present, right
Stress corrosion (cracking) test in nuclear steam generator heat transfer tube material typically uses uniaxial loading stretching examination
Sample, compact tensile specimen, camber beam sample etc., these samples are mainly used in bigger foundry goods or thicker work
Part material, is typically made by modes such as line cutting, machinings.But, heat-transfer pipe is usually path
Light-wall pipe, it is impossible to make above type of sample, inverted " u " to be simulated arranges heat-transfer pipe
Military service stress, and the impact that crevice corrosion is on " u "-shaped pipe stress corrosion, and single anti-U
Shape and double inverse u-shaped bend specimen are well positioned to meet requirement.But, the domestic inverse u-shaped that not yet formed is answered
The normative document that power corrosion sample makes, effective inverse u-shaped sample tools are in space state.
Summary of the invention
For defect present in prior art, the present invention provides a kind of and makes inverse u-shaped bend specimen dress
Put, this device can quickly, the convenient sample making inverse u-shaped small diameter thin-walled；And simple and compact for structure,
Easily assembling.
For reaching object above, the technical solution used in the present invention is: provide one to make inverse u-shaped curved
Bent Sample devices, including stand, is fixed in the upper steel plate on stand top, is fixed under stand bottom
Steel plate, stand, upper steel plate and lower steel plate are formed and load space；Also include depression bar, described depression bar one end
Being fixed in the lower surface of upper steel plate, the other end of described depression bar is connected with half trochlear pressure head；Upper steel
Stand between plate and lower steel plate is provided with the slide plate that can slide up and down along stand；Described slide plate is provided with
Sample mount；It is provided with slide plate jacking system between slide plate and lower steel plate.
Further, described sample mount includes the supporting plate being arranged on slide plate, is symmetricly set on support
On plate two groups are takeed on framves and are fixed on the bearing often organized on shoulder frame.
Further, the distance between two described bearings is adjustable.
Further, two bearing interludes are provided with limited mouth, limited mouth and the concentricity axle of bearing.
Further, described jacking system is jack.
Further, described depression bar is bolted on the lower surface of upper steel plate.
Further, the material of described stand, depression bar, pressure head, sample mount and slide plate is A3 steel.
The Advantageous Effects of the present invention is: use technical scheme, can be convenient, fast
Make small diameter thin-walled list inverse u-shaped and double inverse u-shaped bend specimen；And by adjusting sample support shaft
The spacing held, can make the inverse u-shaped bend specimen of different curvature radius；Described depression bar uses spiral shell
Bolt is connected with upper steel plate, can conveniently dismantle, it is easy to changes depression bar and pressure head, thus can make different rule
The U-shaped bend specimen of lattice；This device makes simple, easy to operate, practical.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention makes inverse u-shaped bend specimen device；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the schematic diagram of sample mount in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the detailed description of the invention of the present invention is described in further detail.
As shown in Figure 1, 2, it is that the one that the present invention provides makes inverse u-shaped bend specimen device, including
Stand 1, the upper steel plate 7 of affixed stand 1 top approximate ellipsoidal, the bottom of affixed stand 1 is square
Lower steel plate 8, stand 1, upper steel plate 7 and lower steel plate 8 are collectively forming loading space, upper steel plate 7 following table
Face has been bolted depression bar 2, the pressure head 3 of the free end melting welding half pulley-like structure of depression bar 2, pressure
3 can convert according to the external diameter of bend pipe and the radius of curvature of inverse u-shaped bend pipe；Upper steel plate 7 with under
Stand 1 between steel plate 8 is provided with the slide plate 5 of the approximate ellipsoidal that can slide up and down along stand, sliding
Plate 5 is connected by sliding bearing with stand；Slide plate 5 is provided with sample mount 4, this sample mount 4
Can move freely on slide plate 5 so that adjusting median plane and central point；Slide plate 5 and lower steel plate 8
Between be provided with slide plate 5 jacking system 6.Jacking system 6 is jack, being placed in of described jack
On lower steel plate 8, its bracket contacts with the lower surface of slide plate 5.
As it is shown on figure 3, described sample mount 4 includes supporting plate 43, the symmetry being arranged on slide plate 5
It is arranged on supporting plate 43 two groups of shoulder framves 41, is fixed on the bearing 42 often organized on shoulder frame 41；Shoulder frame
41 are fixed by bolts in the groove of supporting plate.Wherein, the spacing scalable of two bearings, thus,
The inverse u-shaped bend specimen of different curvature radius can be made.
Two bearing interludes are provided with limited mouth 44, limited mouth 44 and the concentricity axle of bearing 42, it is possible to
Ensure that two free ends of U-tube are parallel.
A3 steel all selected by the material of described stand, depression bar, pressure head, sample mount and slide plate, in order to
Meet the requirement of intensity；Jack can use 1-3 ton standard component, easy to use, low cost.
Use the technical scheme of this structure, it is possible to meet and make single inverse u-shaped and double inverse u-shaped bend specimen；
Simple in construction, easy to operate.Can fast make external diameter be 17-21mm, thickness be 1.0-1.4mm
Cut open pipe inverse u-shaped sample；And by the distance between adjusting sample bearing, can make radius of curvature is
The inverse u-shaped sample of 8-20mm；The depression bar used is connected with, and can facilitate dismounting and change depression bar,
Thus for making the U-shaped sample of other specification.
When making single inverse u-shaped sample, first regulate as requested between two bearings of sample mount 4
Distance, then the semi-cylindrical soft aluminium bar identical with cuing open bore is placed on limited mouth 44, cuts open pipe
Sample is placed on soft aluminium bar and closely cooperates with it, then by pressure head 3 and sample mount 5 and cut open pipe
The median plane of sample three is adjusted on same vertical, and makes the center of pressure head and the center of sample
Alignment, finally, manual slow start jack, make pressure head 3 and cut open pipe sample close-fitting contact,
Cut open pipe slowly to deform along pressure head 3 until two free segments cuing open pipe sample are parallel, thus formed single anti-
U-shaped sample.
When making double inverse u-shaped sample, first regulate as requested between two bearings of sample mount 4
Distance, then the semi-cylindrical soft aluminium bar identical with cuing open bore is placed on limited mouth 44, by one
The individual pipe sample that cuts open is placed on soft aluminium bar and closely cooperates with it, and another cuts open pipe sample and is placed in previous
Cut open on pipe sample so that two are cutd open tube hub face and overlap, then by pressure head 3 and sample mount 4 and
The median plane cuing open pipe sample three is adjusted on same vertical, and makes center and the sample of pressure head
Center is directed at, finally, manual slow start jack, make pressure head 3 and connect with cuing open pipe sample and closely cooperating
Touch, cut open pipe sample and slowly deform along pressure head 3 until cuing open two free segments of pipe sample parallel, thus shape
Become double inverse u-shaped sample.
A kind of inverse u-shaped bend specimen device that makes of the present invention is not limited to above-mentioned detailed description of the invention,
Those skilled in the art draw other embodiment according to technical scheme, also belong to this
The technological innovation scope of invention.
Claims (4)
1. make an inverse u-shaped bend specimen device, including stand (1), be fixed in stand (1)
The upper steel plate (7) on top and be fixed in the lower steel plate (8) of stand (1) bottom, described stand (1),
Upper steel plate (7) and lower steel plate (8) are formed and load space, it is characterized in that: also include depression bar (2),
Described depression bar (2) one end is fixed in the lower surface of upper steel plate (7), and the other end of depression bar (2) is affixed
There is half trochlear pressure head (3)；On stand (1) between upper steel plate (7) and lower steel plate (8)
It is provided with the slide plate (5) that can slide up and down along stand；Sample mount (4) it is connected with on described slide plate (5)；
Being provided with between slide plate (5) and lower steel plate (8) can be by slide plate (5) jacking system (6)；Institute
State sample mount (4) to include the supporting plate (43) being arranged on slide plate (5), be symmetricly set on and prop up
On frame plate (43) two groups shoulders frame (41) and be fixed on the bearing (42) in every group shoulder frame (41),
Distance between two described bearings is adjustable, and two described bearing interludes are provided with limited mouth (44),
Limited mouth (44) and bearing (42) concentricity axle；When making sample, the limited mouth of bearing sets
There is the soft aluminium bar of semi-cylindrical, cut open pipe sample and be placed on soft aluminium bar and closely cooperate with it.
2. a kind of making inverse u-shaped bend specimen device as claimed in claim 1, is characterized in that: institute
Stating jacking system (6) is jack.
3. a kind of making inverse u-shaped bend specimen device as claimed in claim 1, is characterized in that: institute
State depression bar (2) and be bolted on the lower surface of upper steel plate (7).
4. a kind of making inverse u-shaped bend specimen device as described in any one of claim 1-3, it is special
Levy and be: described stand (1), depression bar (2), pressure head (3), sample mount (4) and slide plate (5)
Material all use A3 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703653.1A CN103674654B (en) | 2013-12-19 | 2013-12-19 | A kind of making inverse u-shaped bend specimen device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703653.1A CN103674654B (en) | 2013-12-19 | 2013-12-19 | A kind of making inverse u-shaped bend specimen device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103674654A CN103674654A (en) | 2014-03-26 |
| CN103674654B true CN103674654B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310703653.1A Active CN103674654B (en) | 2013-12-19 | 2013-12-19 | A kind of making inverse u-shaped bend specimen device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104713947B (en) * | 2015-03-17 | 2017-07-25 | 西安交通大学 | A kind of crackle for carrying out on-line checking is remained silent device and application method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201742055U (en) * | 2010-07-27 | 2011-02-09 | 辽宁省电力有限公司本溪供电公司 | Device for trimming busses |
| CN201751030U (en) * | 2010-07-13 | 2011-02-23 | 湖南吉利汽车部件有限公司 | Steel plate press-bending device |
| CN202110089U (en) * | 2011-06-15 | 2012-01-11 | 金川集团有限公司 | Carbonyl powder sample tablet machine |
| CN203184377U (en) * | 2013-04-11 | 2013-09-11 | 安阳永安贺驼煤矿有限公司 | Pipe bending press |
| CN203629918U (en) * | 2013-12-19 | 2014-06-04 | 中国原子能科学研究院 | Device for manufacturing inverted U-shaped curved sample |
-
2013
- 2013-12-19 CN CN201310703653.1A patent/CN103674654B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201751030U (en) * | 2010-07-13 | 2011-02-23 | 湖南吉利汽车部件有限公司 | Steel plate press-bending device |
| CN201742055U (en) * | 2010-07-27 | 2011-02-09 | 辽宁省电力有限公司本溪供电公司 | Device for trimming busses |
| CN202110089U (en) * | 2011-06-15 | 2012-01-11 | 金川集团有限公司 | Carbonyl powder sample tablet machine |
| CN203184377U (en) * | 2013-04-11 | 2013-09-11 | 安阳永安贺驼煤矿有限公司 | Pipe bending press |
| CN203629918U (en) * | 2013-12-19 | 2014-06-04 | 中国原子能科学研究院 | Device for manufacturing inverted U-shaped curved sample |
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| Publication number | Publication date |
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| CN103674654A (en) | 2014-03-26 |
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