CN206671052U - A kind of disassembling and replacing type longitudinal direction Hopkinson bar support meanss of suitable different lengths sample - Google Patents
A kind of disassembling and replacing type longitudinal direction Hopkinson bar support meanss of suitable different lengths sample Download PDFInfo
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- CN206671052U CN206671052U CN201720045758.6U CN201720045758U CN206671052U CN 206671052 U CN206671052 U CN 206671052U CN 201720045758 U CN201720045758 U CN 201720045758U CN 206671052 U CN206671052 U CN 206671052U
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- support
- disassembling
- longitudinal direction
- different lengths
- hopkinson bar
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 34
- 238000002474 experimental method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
Abstract
A kind of disassembling and replacing type longitudinal direction Hopkinson bar support meanss of suitable different lengths sample, including removable rail brackets and at least two radial direction replaceable support components, the radial direction replaceable support component includes portable bottom support bracket and lateral support part, the top of the portable bottom support bracket is support member, bottom is moving parts, the support member is in groove type, lateral support part is fixed in the groove of the support member, and the cambered surface of the lateral support part forms the station placed for Hopkinson bar；The moving parts is movably sleeved on the removable rail brackets, and the removable rail brackets is provided with the fixing device for fixed radial replaceable support component position.The utility model provide it is a kind of it is easy to use, simple to operate, measurement range is big, stability is high and the disassembling and replacing type longitudinal direction Hopkinson bar support meanss of practical suitable different lengths sample.
Description
Technical field
In Dynamic Testing of Materials apparatus field is the utility model is related to, especially a kind of suitable different lengths sample
Disassembling and replacing type longitudinal direction Hopkinson bar support meanss.
Background technology
Split hopkinson bar experimental technique be in research under high strain-rate material mechanical performance it is main, reliable
Experimental method, it is blast and the important component of shock dynamics experimental technique, is currently to be used to measure material in amplitude
The usual means of the strain rate effect data of caused mechaanical property of materials when short duration pulse and load, for anti-dynamic
The structure design of load is particularly significant with analyzing.1872, J.Hopkinson completed first Dynamic demonstration.1914,
B.Hopkinson comes up with a cleverly method, pressure during determining and study explosive charge or bullet shooting rod end
~time relationship.Used device is referred to as Hopkinson depression bars (Pressure Bar).Kolsky (1949)
Hopkinson depression bars become separate type and dynamic mechanical behavior and its mathematical modulo to research material under high strain-rate first
Type-MATERIALS ' DYNAMIC constitutive relation, Split Hopkinson Bar (abbreviation SHPB) technology is successfully developed.Sent out from Kolsky
Since bright split hopkinson press bar (SHPB), it has been generally considered test multiple material, such as metal, ceramics, rock
A kind of effective laboratory facilities of the mechanical response under high strain-rate such as stone, concrete, composite, rubber.To obtain
The related stress-strain curves of the strain rate of effective and accurate material, it is ensured that the accuracy of experimental data and science, grind
It is very important to make efficient, accurate high strain-rate experimental provision.
But due to the popularity and frequency of experiment, there is following deficiency in existing Hopkinson bar support meanss：
1st, the split hopkinson bar device developed substantially has linear bearing shape etc., but the test specimen that can be supported
Length adjustment be limited in scope, be usually no more than 200mm, thus experiment scope have certain limitation, it is impossible to meet test specimen
The adjustable requirement of experiment and experimental precision for needing, the longer test specimen of length can not being met of the consecutive variations of length, and exist and tear open
The problems such as unloading inconvenience, being easy to destroy.
2nd, existing support meanss are not easy to support test specimen, can not ensure the stability of test specimen, to the accuracy of experimental result
There is certain influence.
3rd, the most positioning datum of system is relatively unified, but positioning precision is not still high, causes leverage axiality not high, by
Power is uneven, and rod bending, wave distortion, poor repeatability of experiment etc. are easily caused in experiment, while lacks corresponding perfect in detail move
Mechanical test method.
The content of the invention
In order to which overcome existing Hopkinson bar supporting way can only measure that single diameter test specimen, stability are low and error is big
Deficiency, the utility model provide it is a kind of it is easy to use, simple to operate, measurement range is big, stability is high and practical suitable
Close the disassembling and replacing type longitudinal direction Hopkinson bar support meanss of different lengths sample.
Technical scheme is used by the utility model solves its technical problem：
A kind of disassembling and replacing type longitudinal direction Hopkinson bar support meanss of suitable different lengths sample, including removable rail brackets
With at least two radial direction replaceable support components, the radial direction replaceable support component includes portable bottom support bracket and side branch
Support member, the top of the portable bottom support bracket is support member, and bottom is moving parts, and the support member is in groove type,
Lateral support part is fixed in the groove of the support member, and the cambered surface of the lateral support part is formed places for Hopkinson bar
Station；The moving parts is movably sleeved on the removable rail brackets, is set on the removable rail brackets
There is the fixing device for fixed radial replaceable support component position.
Further, the removable rail brackets includes support and guide rail, and the guide rail is rack-mount, the movement
Part is movably sleeved on the guide rail.
Further, the moving parts is guide rail ring, is fixing device below the guide rail ring, on the guide rail
Positioning hole is provided with, the fixing device coordinates with the positioning hole.
The fixing device includes latch button, and the latch button is positioned on support through the positioning hole.
The support includes support bottom plate and rear side fixed plate, and the latch button is positioned in the rear side fixed plate.
One end of the support sets screw, and the opposite side of the support sets sea whelk.
The beneficial effects of the utility model are mainly manifested in：1. by portable bottom support bracket, rail brackets, meet more
The test requirements document of kind length dimension test specimen.2. being supported jointly using several portable bottom support brackets, it is beneficial to support examination
Part, ensure test specimen stability.3. there is positioning hole on rail brackets, make device positioning precision high, and in experimentation, device peace
Dress, dismounting are easy, easy to operation.
Brief description of the drawings
Fig. 1 is the two-dimensional representation for the disassembling and replacing type longitudinal direction Hopkinson bar support meanss for being adapted to different lengths sample.
Fig. 2 is the side view for the disassembling and replacing type longitudinal direction Hopkinson bar support meanss for being adapted to different lengths sample.
Fig. 3-1 is length 10mm guide rail specimen appliance top view.
Fig. 3-2 is length 500mm guide rail specimen appliance top view.
Fig. 3-3 is length 1000mm guide rail specimen appliance top view.
Fig. 3-4 is length 2000mm guide rail specimen appliance top view.
In figure, 1, portable bottom support bracket, 2, screw, 3, rear side fixed plate, 4, latch button, 5, support bottom plate, 6, fixed
Position hole, 7, guide rail, 8, sea whelk.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
1~Fig. 3 of reference picture, a kind of disassembling and replacing type longitudinal direction Hopkinson bar support meanss of suitable different lengths sample, including
Portable bottom support bracket and rail brackets；
Portable bottom support bracket can be moved on rail brackets, and suitable Support Position is provided for the test specimen of different length；
And with the increase of piece lengths, the quantity of portable bottom support bracket can be increased.It is 10- that this single assembly, which is applicable to length,
500mm Hopkinson bar specimen appliance；It is multiple to assemble the experiment for being then suitable for larger lengths scope test specimen.
Portable bottom support bracket：Overall dimension long 200mm, high 140mm, wide 30mm.Bottom support bracket divides two parts, and top is
Support member, bottom are mobile ring component.Mobile ring component is arranged on support guide, and annulus interior diameter is 40mm, overall diameter
Thickness 5mm, it is button latch fixing device under ring, long 145mm, plug section is Φ 40 circle, and button is cut for 50mm
Face is Φ 26 circle, and it be 20mm that button, which presses depth, can be fixed by the hole of button and rear squared board adjusting annulus or loose
Open.
Rail brackets：Holder part includes long 530mm, wide 210mm, thick 20mm bottom plate, the high 110mm in both sides, thick 15mm
Side plate and high 170mm, thickness be 10mm rear side fixed plate, the circular hole for having several Φ 40mm in fixed plate, and adjacent two
Spacing is 50mm between circular hole, and hole numbering is labeled as into 1,2,3,4 to No. 5 respectively from left to right.Away from edges of boards on the left of dead plate upper end
Small screw is provided with 5mm, corresponding seat is provided with sea whelk on the right side of plate, and the screw with screw formed objects is contained on sea whelk.Guide rail connects
It is Φ 40mm between biside plate, a length of 500mm cylinder.
L=10-200mm：Test specimen is put on the supporting member, now only needs a portable bottom support bracket.Pine
Button is driven, bearing is moved at the hole of rail brackets center 3, finally fastens button.
L=200-500mm：Test specimen is put on the supporting member, now needs 3 portable bottom support brackets.Unclamp
Button, bearing is moved at 2,3,4 holes, finally fastens button.
L=500-1000mm：Test specimen is put on the supporting member, now needs 3 portable bottom support brackets.Unclamp
Button, bearing is moved at 1,3,5 holes, finally fastens button.
L=1000-2000mm：L=1000-2000mm test specimen is put on the supporting member, now needs two guide rails
Holder device is assembled, and 3 portable bottom support brackets are needed on each rail brackets, totally 6.Release button, bearing is moved to 1,
3rd, at 5 holes, button is fastened.Two rail bracketses or so are connected again, left side brackets sea whelk are gone into right, aperture pair on sea whelk
Quasi- right side support left end screw, is finally screwed into screw, fixed.
L>2000mm：By L>2000mm test specimen is put on the supporting member, now needs three and above rail brackets dress
Assembling (practical operation can adjust rail brackets device quantity again depending on test specimen length) is put, 3 portable bottoms are needed on each rail brackets
Portion's bearing.Release button, bearing is moved at 1,3,5 holes, fastens button.Multiple rail bracketses or so are connected, left side branch
Frame sea whelk all goes to right, and aperture is directed at right side support left end screw on sea whelk, is finally screwed into screw respectively, fixed.
(examination is illustrated to this device operating process with tetra- instantiations of L=10mm, 500mm, 1000mm, 2000mm
Part diameter is 75mm).
1. L=10mm test specimen：1 portable bottom support bracket and 1 rail brackets only are used, test specimen is placed on supporting part
On part, ensure that test specimen, bottom support bracket and rail brackets keep stable simultaneously；Bottom support bracket is moved at No. 3 holes, button is pressed
Lower fixation；The fixed test specimen of adjustment；Carry out Hopkinson bar experiment, such as Fig. 3-1.
2. L=500mm test specimen：Using 3 portable bottom support brackets and 2 rail bracketses, test specimen is placed on supporting part
On part, while ensure that test specimen, three bottom support brackets and rail brackets keep stable；Three bottom support brackets are moved to respectively
1st, at 3,5 holes, button is pressed into fixation；The fixed test specimen of adjustment；Carry out Hopkinson bar experiment, such as Fig. 3-2.
3. L=1000mm test specimen：2 rail bracketses are assembled, 3 portable bottom support brackets are installed on each guide rail；
Test specimen is put on the supporting member, while ensures that test specimen, 6 bottom support brackets and 2 rail bracketses keep stable；It is each by 2 respectively
3 bottom support brackets on individual guide rail are moved to at the 1st, 3,5 holes, and button is pressed into fixation；The fixed test specimen of adjustment；Carry out suddenly
Pu Jinsen bars are tested, such as Fig. 3-3.
4. L=2000mm test specimen：3 rail bracketses are assembled, 3 portable bottom support brackets are installed on each guide rail；
Test specimen is put on the supporting member, while ensures that test specimen, 9 bottom support brackets and 3 rail bracketses keep stable；It is each by 2 respectively
3 bottom support brackets on individual guide rail are moved to at the 1st, 3,5 holes, and button is pressed into fixation；The fixed test specimen of adjustment；Carry out suddenly
Pu Jinsen bars are tested, such as Fig. 3-4.
Claims (6)
- A kind of 1. disassembling and replacing type longitudinal direction Hopkinson bar support meanss of suitable different lengths sample, it is characterised in that：Including removable Dynamic rail brackets and at least two radial direction replaceable support components, the radial direction replaceable support component include portable bottom branch Seat and lateral support part, the top of the portable bottom support bracket is support member, and bottom is moving parts, the support member In groove type, lateral support part is fixed in the groove of the support member, and the cambered surface of the lateral support part, which is formed, supplies Hope The station that the gloomy bar of gold is placed；The moving parts is movably sleeved on the removable rail brackets, and described may move is led Rail support is provided with the fixing device for fixed radial replaceable support component position.
- 2. the disassembling and replacing type longitudinal direction Hopkinson bar support meanss of suitable different lengths sample as claimed in claim 1, its feature It is：The removable rail brackets includes support and guide rail, and the guide rail is rack-mount, and the moving parts may move Ground is sleeved on the guide rail.
- 3. the disassembling and replacing type longitudinal direction Hopkinson bar support meanss of suitable different lengths sample as claimed in claim 2, its feature It is：The moving parts is guide rail ring, is the fixing device below the guide rail ring, positioning is provided with the guide rail Hole, the fixing device coordinate with the positioning hole.
- 4. the disassembling and replacing type longitudinal direction Hopkinson bar support meanss of suitable different lengths sample as claimed in claim 3, its feature It is：The fixing device includes latch button, and the latch button is positioned on support through the positioning hole.
- 5. the disassembling and replacing type longitudinal direction Hopkinson bar support meanss of suitable different lengths sample as claimed in claim 4, its feature It is：The support includes support bottom plate and rear side fixed plate, and the latch button is positioned in the rear side fixed plate.
- 6. the disassembling and replacing type longitudinal direction Hopkinson bar support meanss of the suitable different lengths sample as described in one of Claims 1 to 4, It is characterized in that：One end of the support sets screw, and the opposite side of the support sets sea whelk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720045758.6U CN206671052U (en) | 2017-01-13 | 2017-01-13 | A kind of disassembling and replacing type longitudinal direction Hopkinson bar support meanss of suitable different lengths sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720045758.6U CN206671052U (en) | 2017-01-13 | 2017-01-13 | A kind of disassembling and replacing type longitudinal direction Hopkinson bar support meanss of suitable different lengths sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206671052U true CN206671052U (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720045758.6U Expired - Fee Related CN206671052U (en) | 2017-01-13 | 2017-01-13 | A kind of disassembling and replacing type longitudinal direction Hopkinson bar support meanss of suitable different lengths sample |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008658A (en) * | 2021-02-02 | 2021-06-22 | 广州城建职业学院 | Two-wavelength decomposition self-balancing supporting device based on biaxial SHPB experiment |
-
2017
- 2017-01-13 CN CN201720045758.6U patent/CN206671052U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008658A (en) * | 2021-02-02 | 2021-06-22 | 广州城建职业学院 | Two-wavelength decomposition self-balancing supporting device based on biaxial SHPB experiment |
| CN113008658B (en) * | 2021-02-02 | 2024-05-03 | 广州城建职业学院 | Two ripples decompose self-balancing strutting arrangement based on biax SHPB experiment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |