CN106404545A - Stress and strain measurement system - Google Patents
Stress and strain measurement system Download PDFInfo
- Publication number
- CN106404545A CN106404545A CN201611024590.7A CN201611024590A CN106404545A CN 106404545 A CN106404545 A CN 106404545A CN 201611024590 A CN201611024590 A CN 201611024590A CN 106404545 A CN106404545 A CN 106404545A
- Authority
- CN
- China
- Prior art keywords
- stress
- measurement system
- strain measurement
- attachment means
- plunger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
Abstract
The invention provides a stress and strain measurement system, which comprises a workbench, wherein a plunger type pressurization cylinder is fixedly connected above the middle part of the workbench; a plunger of the pressurization cylinder passes through an upper plate of the workbench and is then fixedly provided with a first connecting device; one side of the first connecting device is fixedly connected with the tail end of a bracing wire of an electronic ruler fixed at one side of the upper plate; a second connecting device is fixedly connected under the first connecting device; a load sensor is fixedly connected under the second connecting device; the load sensor and the electronic ruler are connected respectively with a controller. The stress and strain measurement system has the advantages that the structure is simple; the cost performance is high; the relationship between the deformation quantity of the mold after pressure receiving deformation and the received pressure is converted into the intuitional curve relationship, and is displayed through a display; the stress and strain detection on the mold or other workpieces can be realized; the data is provided for production and tests.
Description
Technical field
The invention belongs to workpiece stress strain measurement field, especially relates to that a kind of structure is simple, cost performance is high
Stress-strain measurement system.
Background technology
The ess-strain of Measuring Object in prior art, generally adopts the instrument of special measurement ess-strain, this instrument
Price is high, and popularization is not popularized it is now desired to research and develop the stress-strain measurement system that a kind of new structure is simple, be suitable to popularization,
So that when measurement workpiece is pressed, directly displaying out.
Content of the invention
In view of this, the invention is directed to a kind of stress-strain measurement system, to solve above-mentioned technical problem.
For reaching above-mentioned purpose, the technical scheme of the invention is realized in：
A kind of stress-strain measurement system, including workbench, workbench includes upper plate, base plate and left and right two side wall, on
In the middle part of plate, top is connected with plunger type pressurized cylinder, and the plunger of pressurized cylinder is fixed with the first connection dress through after the upper plate of workbench
Put, the side of the first attachment means is affixed with the tail end of the bracing wire of the electronic ruler being fixed on upper plate side, the first attachment means
Lower section is connected with the second attachment means, and the lower section of the second attachment means is connected with load sensor, load sensor and electronic ruler
It is connected with controller respectively.
Further, described first attachment means include stepped ramp type contiguous block, the step punishment of the left and right sides of contiguous block
It is not symmetrically fixed with connecting rod, the tail end of the bracing wire of described electronic ruler is affixed with connecting rod, described connecting rod is away from contiguous block
One end is provided with slide block, and slide block is embedded at the strip vertical opening corresponding with slide block on the side wall being arranged on workbench,
Under the drive of plunger, slide block does vertical direction motion at opening.
Further, the length of described opening and the maximum displacement of plunger are corresponding.
Further, described second attachment means are connecting plate, and connecting plate upper surface middle part is provided with and protrudes from connecting plate
The boss on surface, boss is corresponding with the groove in the middle part of the first attachment means lower end.
Further, described pressurized cylinder is pneumohydraulic pressure-cylinder.
Further, the lower end of described load sensor is provided with some tapped blind holes.
Further, described controller is also electrically connected with display.
With respect to prior art, a kind of stress-strain measurement system described in the invention has the advantage that：This
Bright creation structure is simple, and cost performance is high, mould is under pressure the deflection after deformation and the relation being under pressure is converted into directly
The curve linear relationship seen, and shown by display, realize the ess-strain detection to mould or other workpiece, for producing
There is provided data with test.
Brief description
The accompanying drawing constituting the part of the invention is used for providing the invention is further understood, and the present invention creates
The schematic description and description made is used for explaining the invention, does not constitute the improper restriction to the invention.?
In accompanying drawing：
Fig. 1 is the structural representation described in the invention embodiment.
Description of reference numerals：
1- workbench；101- upper plate；102- base plate；103- side wall；2- pressurized cylinder；201- plunger；3- first attachment means；
301- contiguous block；302- connecting rod；303- slide block；304- groove；4- second attachment means；401- boss；5- load sensor；
6- electronic ruler；7- mold；Mould under 8-.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the invention and the feature in embodiment can
To be mutually combined.
In the description of the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " on ", D score,
The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than instruction
Or the hint device of indication or element must have specific orientation, with specific azimuth configuration and operation, be not therefore understood that
It is the restriction to the invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " are meant that two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly
Connect；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning in the invention for the term.
To describe the invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in figure 1, a kind of stress-strain measurement system, including workbench 1, workbench 1 includes upper plate 101, base plate 102
With left and right two side wall 103, upper plate 101 is connected with plunger type pressurized cylinder 2 above middle part, and pressurized cylinder 2 is pneumohydraulic pressure-cylinder, supercharging
The plunger 201 of cylinder 2 is fixed with the first attachment means 3 after passing through upper plate 101.First attachment means 3 include stepped ramp type contiguous block
301, the left and right sides at contiguous block 301 step is respectively symmetrically and is fixed with connecting rod 302, and connecting rod 302 is away from contiguous block 301
One end is provided with slide block 303, and slide block 303 is embedded in the strip vertical opening corresponding with slide block 303 being arranged on side wall 103
Place, under the drive of plunger 201, slide block 303 does vertical direction motion at opening.The length of opening and the maximum of plunger 201
Displacement is corresponding, and, when extreme higher position, slide block 303 is in the top of opening for plunger 201.Electronic ruler 6 is fixed on the one of upper plate 101
Side, upper plate 101 is provided with through hole corresponding with the bracing wire of electronic ruler 6, is fixed on immediate with it after being drawstring through through hole
In connecting rod 302.The lower section of the first attachment means 3 is connected with the second attachment means 4, and the second attachment means 4 are connecting plate, connect
Plate upper surface middle part is provided with and protrudes from the boss 401 connecting plate surface, in the middle part of boss 401 and the first attachment means 3 lower end
Groove 304 is corresponding.The lower section of the second attachment means 4 is connected with load sensor 5, and load sensor 5 passes through bolt and second
Attachment means 4 are fixedly connected.The lower end of load sensor 5 be provided with some for blind with the screw thread that workpiece is bolted
Hole.Load sensor 5 is connected with controller respectively with electronic ruler 6, and controller is also electrically connected with display.Load sensor 5 He
The signal of detection is converted into after the signal of telecommunication passing to respectively controller by electronic ruler 6, and controller passes through after being processed the signal of telecommunication
Display shows.
The operation principle of the invention：
When stress measurement is carried out to mould, mold 7 is fixedly connected with the lower end of load sensor 5 by bolt, increases
The plunger 201 of cylinder pressure 2 moves downward, and when mold 7 contacts with lower mould 8, electronic ruler 6 position now is as initial bit
Put, pressurized cylinder 2 is persistently pressurized, now load sensor 5 just has electric pressure signal and passes to controller, controller by receive
The signal of telecommunication of load sensor 5 signal and electronic ruler 6 is processed, and two Electric signal processings are become stress and displacement by controller
Change curve, is then shown by display.
The foregoing is only the preferred embodiment of the invention, not in order to limit the invention, all this
Within the spirit of innovation and creation and principle, any modification, equivalent substitution and improvement made etc., should be included in the invention
Protection domain within.
Claims (7)
1. a kind of stress-strain measurement system it is characterised in that：Including workbench (1), workbench (1) includes upper plate (101), bottom
Plate (102) and left and right two side wall (103), in the middle part of upper plate (101), top is connected with plunger type pressurized cylinder (2), pressurized cylinder (2)
Plunger (201) is fixed with the first attachment means (3) after passing through upper plate (101), the side of the first attachment means (3) be fixed on
The tail end of the bracing wire of electronic ruler (6) of plate (101) side is affixed, and the lower section of the first attachment means (3) is connected with the second connection dress
Put (4), the lower section of the second attachment means (4) is connected with load sensor (5), load sensor (5) and electronic ruler (6) respectively with
Controller connects.
2. stress-strain measurement system according to claim 1 it is characterised in that：Described first attachment means (3) include
Stepped ramp type contiguous block (301), is symmetrically fixed with connecting rod (302) respectively at the step of the left and right sides of contiguous block (301), described
The tail end of bracing wire of electronic ruler (6) is affixed with connecting rod (302), and described connecting rod (302) sets away from one end of contiguous block (301)
It is equipped with slide block (303), slide block (303) is embedded in the strip vertical opening corresponding with slide block (303) being arranged on side wall (103)
Place, under the drive of plunger (201), slide block (303) does vertical direction motion at opening.
3. stress-strain measurement system according to claim 2 it is characterised in that：The length of described opening and plunger
(201) maximum displacement is corresponding.
4. stress-strain measurement system according to claim 1 it is characterised in that：Described second attachment means (4) are even
Fishplate bar, connecting plate upper surface middle part is provided with and protrudes from the boss (401) connecting plate surface, and boss (401) is connected dress with first
The groove (304) put in the middle part of (3) lower end is corresponding.
5. stress-strain measurement system according to claim 1 it is characterised in that：Described pressurized cylinder (2) is gas-liquid pressure-boosting
Cylinder.
6. stress-strain measurement system according to claim 1 it is characterised in that：The lower end of described load sensor (5)
It is provided with some tapped blind holes.
7. stress-strain measurement system according to claim 1 it is characterised in that：Described controller is also electrically connected with display
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611024590.7A CN106404545A (en) | 2016-11-21 | 2016-11-21 | Stress and strain measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611024590.7A CN106404545A (en) | 2016-11-21 | 2016-11-21 | Stress and strain measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106404545A true CN106404545A (en) | 2017-02-15 |
Family
ID=58068660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611024590.7A Pending CN106404545A (en) | 2016-11-21 | 2016-11-21 | Stress and strain measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106404545A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5959215A (en) * | 1995-04-12 | 1999-09-28 | Bridgestone Corporation | Heat build-up/fatigue measuring method for viscoelastic body and hydraulic servo flexometer |
| CN202614605U (en) * | 2012-04-17 | 2012-12-19 | 长安大学 | Marshall flow value testing device for high-strength bituminous mixture |
| CN202886204U (en) * | 2012-05-16 | 2013-04-17 | 中交第三公路工程局有限公司 | Axial deformation press |
| CN204964302U (en) * | 2015-09-30 | 2016-01-13 | 江南阀门有限公司 | Flexible material compression stress and strain digital display formula testing arrangement |
| CN105300802A (en) * | 2015-10-20 | 2016-02-03 | 哈尔滨工业大学 | Bidirectional stress state stress-strain measurement device and method for thin-walled tube |
| CN205301079U (en) * | 2015-12-28 | 2016-06-08 | 天津浩宝丰科技有限公司 | Tension testing device |
| CN206353105U (en) * | 2016-11-21 | 2017-07-25 | 天津尚吉液压设备有限公司 | A kind of stress-strain measurement system |
-
2016
- 2016-11-21 CN CN201611024590.7A patent/CN106404545A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5959215A (en) * | 1995-04-12 | 1999-09-28 | Bridgestone Corporation | Heat build-up/fatigue measuring method for viscoelastic body and hydraulic servo flexometer |
| CN202614605U (en) * | 2012-04-17 | 2012-12-19 | 长安大学 | Marshall flow value testing device for high-strength bituminous mixture |
| CN202886204U (en) * | 2012-05-16 | 2013-04-17 | 中交第三公路工程局有限公司 | Axial deformation press |
| CN204964302U (en) * | 2015-09-30 | 2016-01-13 | 江南阀门有限公司 | Flexible material compression stress and strain digital display formula testing arrangement |
| CN105300802A (en) * | 2015-10-20 | 2016-02-03 | 哈尔滨工业大学 | Bidirectional stress state stress-strain measurement device and method for thin-walled tube |
| CN205301079U (en) * | 2015-12-28 | 2016-06-08 | 天津浩宝丰科技有限公司 | Tension testing device |
| CN206353105U (en) * | 2016-11-21 | 2017-07-25 | 天津尚吉液压设备有限公司 | A kind of stress-strain measurement system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |
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| RJ01 | Rejection of invention patent application after publication |