CN105784524A - Rubber material mechanical property testing device - Google Patents
Rubber material mechanical property testing device Download PDFInfo
- Publication number
- CN105784524A CN105784524A CN201610300288.3A CN201610300288A CN105784524A CN 105784524 A CN105784524 A CN 105784524A CN 201610300288 A CN201610300288 A CN 201610300288A CN 105784524 A CN105784524 A CN 105784524A
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- testing device
- cross beam
- moving beam
- elastomeric material
- base
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- 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
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/48—Investigating hardness or rebound hardness by performing impressions under impulsive load by indentors, e.g. falling ball
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- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/001—Impulsive
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
-
- 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
- G01N2203/0076—Hardness, compressibility or resistance to crushing
- G01N2203/0083—Rebound strike or reflected energy
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a rubber material mechanical property testing device, which comprises base, a testing platform, two parallel guide posts, a fixed cross beam and a movable cross beam, wherein the testing platform is fixedly arranged on the base; the two parallel guide posts are vertically and fixedly arranged on the base; the fixed cross beam is fixedly connected with the top end of the two parallel guide posts; the movable cross beam is arranged on the two parallel guide posts through a linear bearing; the rubber material mechanical property testing device also comprises an impact head, a mass weight, a test specimen clamp, an acceleration sensor, a displacement sensor and a scaleplate; the impact head is fixedly arranged at the lower side of the movable cross beam through a force sensor; the mass weight is arranged on the movable cross beam; the test specimen clamp is arranged on the testing platform; the acceleration sensor is arranged on the movable cross beam in a pasting way; the displacement sensor is arranged on one side of the movable cross beam; the scaleplate corresponding to the displacement sensor is arranged on a support frame fixedly arranged on the base; the force sensor, the acceleration sensor and the displacement sensor are in communication connection with a computer through a data collecting card. The rubber material mechanical property testing device has the advantages that the structure is simple; the operation is easy; the feature experiments such as impact, collision, puncturing and rebound can be realized; the accuracy and the efficiency of the testing result can be improved; the cost of the whole testing cost can also be reduced.
Description
Technical field
The present invention relates to material mechanical performance test equipment, be specifically related to a kind of Tire rubber material Mechanics Performance Testing equipment.
Background technology
Elastomeric material is applied widely, such as daily life, enterprise's production, industrial construction, aviation industry etc., in life nearly ubiquitous, automobile tire is exactly typical elastomeric material is the industrial products led, and is the important evidence of tire product performance evaluation and improvement to its elastomeric material Mechanics Performance Testing and analysis.
Rubber for tire, as a kind of macromolecular material, has the Nonlinear Dynamic mechanical characteristic of complexity, and rubber for tire its Dynamic viscoelasticity of fiber reinforced after the techniques such as over cure is more notable.Tire rubber material mechanical characteristic has the multifactor dependencys such as temperature, amplitude, frequency, load, and its mechanical property testing difficulty is bigger.For fully characterizing the dynamic characteristics of elastomeric material, it is necessary to do substantial amounts of experiment.The evaluation carrying out different elastomeric material performance after obtaining these experimental datas is highly difficult equally.The Main Means carrying out Tire rubber material mechanical property testing at present is dynamic mechanical analyzer device (DMA), and owing to theoretical and equipment are limit, the experiment carried out all is confined to linear small deformation scope.Based on above reason, the tire characteristics result of calculation carried out by DMA experiment acquisition rubber dynamic characteristics at present is had a long way to go with tire characteristics experimental result.
DMA instrument cost is high, and experimental work amount is big, poor practicability.Another kind of more practical rubber property method of testing at rubber industry circle life-time service, i.e. rebound test method.The method passes through a steel ball or hand hammer to specify initial velocity to clash into rubbery sample, is evaluated the property of energy dissipation of rubber by the rebound height of steel ball or hand hammer.This reflects the dynamic characteristics of rubber in a sense.But what only evaluated by rebound height is only total energy dissipation, the energy dissipation of collision process changing to lack characterizing, evaluation conclusion is abundant not.
Based on the existing methodical deficiency of rubber dynamic characteristics test, it is necessary to develop rubber for tire dynamic characteristics more practical, effective test device and corresponding detection method.
Summary of the invention
It is an object of the present invention to provide the elastomeric material Mechanics Performance Testing device that a kind of preparation cost is cheap, be easy to operation, adopt this device can realize the detection of the mechanical characteristic such as elastomeric material and the anti-puncture of goods, resilience.
Elastomeric material Mechanics Performance Testing device of the present invention, including base, the test platform being installed on base, vertical be installed on base two parallel guide pillars, the fixed cross beam being connected in two parallel conductive capital ends and the moving beam being arranged on two parallel guide pillars by linear bearing；
Pass under the fixed impact head of force transducer at described moving beam, on moving beam, be provided with the counterweight of convertible quality, it is arranged on the piece fixture on described test platform, post the acceleration transducer on moving beam, it is arranged on the displacement transducer on moving beam side, the scale corresponding to displacement transducer is set being fixedly arranged on the support on base；
Described force transducer, acceleration transducer and displacement transducer are connected with computer communication respectively through data collecting card.
Place a main shaft at the center of described moving beam, one end of described force transducer is screwed onto the lower end of this main shaft, and its other end is screwed onto on the tail end of described impact head；The counterweight of described convertible quality is nested with on this main shaft.
The cone when front end of described impact head is set to can be used for test specimen is done puncture experiment or spherical surface body when doing resilience experiment.
Elastomeric material Mechanics Performance Testing device operation principle of the present invention is:
By test specimen clamping to be measured on piece fixture, moving beam is placed the mass method counterweight of setting, the impact head of required form is selected according to different performance test, after adopting manually-operated mode that upwards moving beam is raised to certain altitude, moving beam is made to impact in the way of freely falling body or puncture rubber test piece, utilize force transducer, displacement transducer and acceleration transducer gather the impact depth in this device to test rubber test piece process, impact acceleration, the physical quantitys such as impulsive force, different elastomeric material is detected to impact with this, collision, puncture, the responsiveness of the operating mode of resilience, for the theory of mechanics foundation that the machinery equipment offer of application of rubber is crucial.
Apparatus of the present invention, have simple for structure, cost is low, experimental technique operation carries out in freely falling body mode, simple to operation fast, can realize elastomeric material and goods are done impact, collide, puncture, the experimental project such as resilience, the accuracy and efficiency that simultaneously can improve test result can reduce again the advantages such as whole test process cost.Compared with testing device with existing rubber dynamic characteristics, having the remarkable advantages that of apparatus of the present invention: 1) compared with DMA instrument, apparatus of the present invention simple in construction, processing ease, experimental work amount is few, can quickly realize different sample performance evaluation contrast；2) compared with resilience instrument, the present invention is except can measuring rebound height, the measurement of the states such as the power in whole collision or other contact process, acceleration, displacement can be realized, it is provided that sample Dynamic mechanical property curve more fully, it is achieved the accurate relative analysis of different sizing materials.
Accompanying drawing explanation
Fig. 1 is the structural representation of elastomeric material Mechanics Performance Testing device of the present invention；
Fig. 2 is the structural representation of the piece fixture 3 shown in Fig. 1；
Fig. 3 is the structural representation of the impact head 16 shown in Fig. 1.
Detailed description of the invention
The present invention is described in further detail by the embodiment provided below in conjunction with accompanying drawing.
With reference to Fig. 1, a kind of elastomeric material performance testing device, is arranged on the moving beam 5 on two parallel guide pillars 4 including base 1, the test platform 2 being installed on base 1, the vertical parallel guide pillar 4 of two be installed on base 1, the fixed cross beam 9 that is connected in two parallel guide pillar 4 tops with passing through linear bearing 14；Pass under the fixed impact head 16 of force transducer 15 at described moving beam 5, on moving beam 5, be provided with the counterweight 12 of convertible quality, it is arranged on the piece fixture 3 on described test platform 2, post the acceleration transducer 5 on moving beam 5, it is arranged on the displacement transducer 13 on moving beam 5 side, the support 11 being fixedly arranged on base 1 arranges the scale 10 corresponding to displacement transducer 13；
Described force transducer 15, acceleration transducer 5 and displacement transducer 13 are connected with computer communication respectively through data collecting card.
Two described parallel guide pillars 4, its upper and lower end is fixed and is connected with fixed cross beam 9 and base 1 each through bearing 8 respectively.
Place a main shaft 7 at the center of described moving beam 5, one end of described force transducer 15 is screwed onto the lower end of this main shaft 7, and its other end is screwed onto on the tail end of described impact head 16；The counterweight 12 of described convertible quality is nested with on this main shaft 7.
The front end of described impact head 16 is set to can be used for test specimen is made the cone (shown in a in Fig. 3) during puncture experiment, or makes the spherical surface body (shown in the b in Fig. 3) when resilience is tested.
With reference to Fig. 2, described piece fixture 3 includes: two ends have hollow cylinder 3.1 and the tabletting 3.2 of flange plate-like；The two ends ring flange of described hollow cylinder 3.1 is respectively equipped with and is used as bolted fabrication hole with described test platform 2 and is used as bolted fabrication hole with described tabletting 3.2.
As shown in fig. 1, described test platform 2 is provided with the screwed hole in order to install described piece fixture 3 of array distribution.
Following performance test can be realized based on apparatus above:
Embodiment 1:
This test device is that test specimen does puncture test；
Step one, by test device each assembly install, puncture head 16 be a in Fig. 3, open acquisition system module, setting acquisition system parameters.
Step 2, being positioned on hollow cylinder 3.1 by rubber test piece 17, tabletting 3.2 is positioned in rubber test piece and with bolt and hollow cylinder 3.1 pretension, it is prevented that in test process, rubber test piece 17 occurs position to move owing to bearing puncture power.
Step 3, moving beam 5 is raised to certain altitude, with the rubber test piece 17 on freely falling body mode puncture fixture 3；Initial velocity for making moving beam 5 puncture test specimen is different, mass weight 12 is fixed thereon with bolt, to change the quality of loads of moving beam, height (this height can arbitrarily set) is raised, thus test specimen being produced different puncture power, the puncture degree of depth, puncture speed also by changing moving beam 5.
The puncture degree of depth of acquisition and recording test specimen, puncture power, puncture acceleration in step 4 test process, thus data can analyze the material behaviors such as the viscous-elastic behaviour of rubber test piece, energy consumption characteristics, anti-puncture characteristic.
Embodiment 2
Rubber test piece rebound test step is as follows；
Step one, by test device each assembly install, the impact head 16 on moving beam 5 be b shape in Fig. 3, and its impact head material can be steel, aluminum, plastics, open acquisition system module, setting acquisition system parameters.
Step 2, being positioned on hollow cylinder 3.1 by one piece of rubber test piece 17, tabletting 3.2 is placed in rubber test piece and with bolt and hollow cylinder 3.1 pretension, it is prevented that in rebound test process rubber test piece 17 due to withstand shocks power time position move.
Step 3, moving beam 5 is raised to specified altitude assignment, with the rubber test piece 17 on freely falling body mode slam fixture 3；Initial velocity for making moving beam 5 impact test piece is different, mass weight 12 is fixed thereon with bolt, to change the quality of loads of moving beam, height (this height can arbitrarily set) is raised also by what change moving beam 5, thus producing the different resilience force of test specimen, impact depth, impact velocity, it is able to record that the testing time simultaneously, probes into the resilience responsiveness of rubber test piece.
In step 4, test process, the resilience force of test specimen, impact depth, impact acceleration signal are collected by three sensors simultaneously, and thus data can analyze the material behaviors such as the hysteretic characteristic of rubber test piece, energy absorption characteristics, resistance to impact；
Above-described is only set forth preferred embodiment of the invention with rubber test piece for objective for implementation; other test specimens are implemented equally; and it is not used to restriction the scope of the present invention; namely every claims according to the present patent application and description are made change simple, equivalent and amendment, be all the claims of patent of the present invention.
Claims (6)
1. an elastomeric material performance testing device, including base (1), the test platform (2) being installed on base (1), vertical be installed on base (1) two parallel guide pillars (4), be connected in two parallel guide pillar (4) tops fixed cross beam (9) with pass through linear bearing (14) be arranged on the moving beam (5) on two parallel guide pillars (4), it is characterised in that also include:
Pass under the fixed impact head (16) of force transducer (15) at described moving beam (5), on moving beam (5), be provided with the counterweight (12) of convertible quality, it is arranged on the piece fixture (3) on described test platform (2), post the acceleration transducer (5) on moving beam (5), it is arranged on the displacement transducer (13) on moving beam (5) side, the scale (10) corresponding to displacement transducer (13) is above set at the support (11) being fixedly arranged on base (1)；
Described force transducer (15), acceleration transducer (5) and displacement transducer (13) are connected with computer communication respectively through data collecting card.
2. elastomeric material performance testing device according to claim 1, it is characterized in that, a main shaft (7) is placed at the center of described moving beam (5), one end of described force transducer (15) is screwed onto the lower end of this main shaft (7), and its other end is screwed onto on the tail end of described impact head (16)；The counterweight (12) of described convertible quality is nested with on this main shaft (7).
3. elastomeric material performance testing device according to claim 2, it is characterised in that the cone when front end of described impact head (16) is set to can be used for test specimen is done puncture experiment or spherical surface body when doing resilience experiment.
4. elastomeric material performance testing device according to claim 1, it is characterised in that described piece fixture (3) including: two ends have hollow cylinder (3.1) and the tabletting (3.2) of flange plate-like.
5. elastomeric material performance testing device according to claim 4, it is characterized in that, the two ends ring flange of described hollow cylinder (3.1) is respectively equipped with described test platform (2) as bolted fabrication hole and with described tabletting (3.2) as bolted fabrication hole.
6. the elastomeric material performance testing device according to claim 1 or 4, it is characterised in that described test platform (2) is provided with the screwed hole in order to install described piece fixture (3) of array distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610300288.3A CN105784524A (en) | 2016-05-09 | 2016-05-09 | Rubber material mechanical property testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610300288.3A CN105784524A (en) | 2016-05-09 | 2016-05-09 | Rubber material mechanical property testing device |
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| Publication Number | Publication Date |
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| CN105784524A true CN105784524A (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610300288.3A Pending CN105784524A (en) | 2016-05-09 | 2016-05-09 | Rubber material mechanical property testing device |
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| CN (1) | CN105784524A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449680A (en) * | 2017-07-26 | 2017-12-08 | 核工业理化工程研究院 | Rubber Mechanics Performance Testing equipment |
| CN108225640A (en) * | 2017-12-20 | 2018-06-29 | 安徽中鼎密封件股份有限公司 | A kind of rubber seal contact stress test device and method |
| CN112098254A (en) * | 2020-09-27 | 2020-12-18 | 河南工业职业技术学院 | Control system for impact test |
| CN112525466A (en) * | 2020-11-26 | 2021-03-19 | 中煤科工开采研究院有限公司 | Metal mesh dynamic load test method and test stand |
| CN112710269A (en) * | 2021-01-07 | 2021-04-27 | 哈尔滨工业大学 | Rubber thickness gauge |
| CN115855712A (en) * | 2023-03-03 | 2023-03-28 | 北京阿玛西换热设备制造有限公司 | Rubber resilience measuring instrument |
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| CN202281729U (en) * | 2011-10-26 | 2012-06-20 | 河南省大地合金股份有限公司 | Impact tester for diamond compact |
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| CN203350103U (en) * | 2013-07-12 | 2013-12-18 | 深圳中兴创新材料技术有限公司 | Apparatus for testing puncture strength of lithium-ion battery separator |
| CN203405318U (en) * | 2013-08-19 | 2014-01-22 | 北京航空航天大学 | Test system for manufacturing specified-dimension impact pit on metal sheet |
| CN204044008U (en) * | 2014-09-11 | 2014-12-24 | 莆田学院 | A kind of footwear cushion pad impulse detection instrument |
| CN205580905U (en) * | 2016-05-09 | 2016-09-14 | 吉林大学 | Rubber materials mechanical properties testing arrangement |
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Patent Citations (8)
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| JP2006284514A (en) * | 2005-04-05 | 2006-10-19 | Nippon Steel Corp | Dynamic load measuring apparatus |
| CN101509856A (en) * | 2008-12-30 | 2009-08-19 | 南京理工大学 | Multifunction flexible composite material impact test apparatus |
| CN202281729U (en) * | 2011-10-26 | 2012-06-20 | 河南省大地合金股份有限公司 | Impact tester for diamond compact |
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| CN203405318U (en) * | 2013-08-19 | 2014-01-22 | 北京航空航天大学 | Test system for manufacturing specified-dimension impact pit on metal sheet |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449680A (en) * | 2017-07-26 | 2017-12-08 | 核工业理化工程研究院 | Rubber Mechanics Performance Testing equipment |
| CN108225640A (en) * | 2017-12-20 | 2018-06-29 | 安徽中鼎密封件股份有限公司 | A kind of rubber seal contact stress test device and method |
| CN108225640B (en) * | 2017-12-20 | 2020-05-05 | 安徽中鼎密封件股份有限公司 | Device and method for testing contact stress of rubber sealing element |
| CN112098254A (en) * | 2020-09-27 | 2020-12-18 | 河南工业职业技术学院 | Control system for impact test |
| CN112525466A (en) * | 2020-11-26 | 2021-03-19 | 中煤科工开采研究院有限公司 | Metal mesh dynamic load test method and test stand |
| CN112710269A (en) * | 2021-01-07 | 2021-04-27 | 哈尔滨工业大学 | Rubber thickness gauge |
| CN115855712A (en) * | 2023-03-03 | 2023-03-28 | 北京阿玛西换热设备制造有限公司 | Rubber resilience measuring instrument |
| CN115855712B (en) * | 2023-03-03 | 2023-04-21 | 北京阿玛西换热设备制造有限公司 | Rubber rebound resilience measuring instrument |
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Application publication date: 20160720 |