CN107084881A - A kind of whole O-shaped rubber ring tension test extension at break measuring device and method - Google Patents
A kind of whole O-shaped rubber ring tension test extension at break measuring device and method Download PDFInfo
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- CN107084881A CN107084881A CN201710459542.9A CN201710459542A CN107084881A CN 107084881 A CN107084881 A CN 107084881A CN 201710459542 A CN201710459542 A CN 201710459542A CN 107084881 A CN107084881 A CN 107084881A
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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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
- G01N3/02—Details
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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
- G01N3/02—Details
- G01N3/04—Chucks
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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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of whole O-shaped rubber ring tension test extension at break measuring device, it includes upper fixture（1）, lower clamp（2）, vertically arranged skid beam（3）, upper extensometer（4）With lower extensometer（5）, load part includes adapter（6）, preload ring（7）With U-shaped connecting rod（8）, adapter（6）Middle part be provided with external screw thread, preload ring（7）Through internal thread and adapter（6）External screw thread be connected and installed in adapter（6）On, axle wheel（10）Cylinder on offer annular groove（13）, U-shaped connecting rod（8）Bottom on be additionally provided with external screw thread, floral disc（11）With U-shaped connecting rod（8）External screw thread be connected and installed in U-shaped connecting rod（8）The boss for compressing bearing outer ring is provided with bottom, and the end face of floral disc.The beneficial effects of the invention are as follows：Solve the problem of existing whole O-shaped rubber ring tensile test at room temperature extension at break amount is difficult to accurate measurement, measurement accuracy high, easy to operate.
Description
Technical field
The present invention relates to particularly a kind of whole O-shaped rubber ring tension test extension at break measuring device and method.
Background technology
Whole O-shaped rubber ring is the class seal for playing sealing effectiveness because of the compression stress of material in high pressure, close
It is mainly that mechanical performance is determined by the resistance to pressure of whole O-shaped rubber ring material to seal effect.Whole O-shaped rubber ring tensile test at room temperature is to survey
One of common test of its fixed mechanical performance, is mainly used in determining tensile strength and elongation at break.Its process of the test is：Drawing
Stretch on experimental rig after installation sample, sample stretching is carried out with certain rate of extension and the experiment number of correlation is finally obtained
According to.Preferably technical scheme is that have minimum diameter rule by upper and lower two in existing whole O-shaped rubber ring tensile test at room temperature device
Axle wheel composition fixed and with ball bearing, when two wheels are close to each other, its centre-to-centre spacing can reach sufficiently small distance so as to
Sample is installed.Axle wheel is connected by various bindiny mechanisms with cupping machine, usually using pin connection.Use above-mentioned stretching
Device can be good at carrying out the measure of whole O-shaped rubber ring tensile test at room temperature tensile strength, it can be difficult to Accurate Determining is pulled apart
Elongation.Its reason is：The ratio between elongation at break is elongation increment when sample is stretched to fracture with initial length.Using above-mentioned
Elongation increment when stretching device measures sample fracture has three kinds of methods：1st, using the stretcher crossbeam being connected with stretching device
Shift value is replaced, because the stretcher crosshead displacement precision that equipment control software is shown is difficult to ensure that, it is impossible to accurately reflect
Go out the practical distortion amount of O-shaped rubber ring, and need to be it is determined that the elongation of girth is exactly equal in O-shaped rubber ring using the method
Point is reset for crossbeam positional value, it is more difficult to operate when zero.In addition, fit clearance between equipment and fixture, fixture and exemplar and not
Same dependent variable, causes measuring result error further to increase.2nd, using the instrument progress extension at break having compared with high measurement accuracy
Measurement, but it is disadvantageous in that the fracture terminal of whole O-shaped rubber ring is artificially judged by experimenter, it is difficult to synchro measure is whole
O-shaped rubber ring is broken the extension at break amount of moment.
The content of the invention
The present invention solves existing whole O-shaped rubber ring tensile test at room temperature extension at break amount and is difficult to accurate measurement there is provided one
Measurement accuracy is high, plant whole O-shaped rubber ring tension test extension at break measuring device and method easily to operate.
The purpose of the present invention is achieved through the following technical solutions：A kind of whole O-shaped rubber ring tension test extension at break amount
Measurement apparatus, it includes upper fixture, lower clamp, vertically arranged skid beam, upper extensometer and lower extensometer, and upper extensometer draws with
Stretch meter to be arranged in skid beam and can slide along, upper fixture and lower clamp are symmetrical above and below to be set, upper extensometer by load part and
Test portion is constituted, and described load part includes being provided with outer spiral shell in the middle part of adapter, preload ring and U-shaped connecting rod, adapter
Internal thread is offered in line, preload ring, external screw thread of the preload ring through internal thread and adapter is connected and installed on adapter, U-shaped
The upper end of connecting rod and the bottom of adapter are connected, and described test portion includes centering card, axle wheel, floral disc and bearing, axle
The inner ring held is installed on the bottom of U-shaped connecting rod, and the outer ring of bearing is interference fitted with the endoporus of axle wheel, is opened up on the cylinder of axle wheel
Have and external screw thread is additionally provided with annular groove, the bottom of U-shaped connecting rod, the external screw thread of floral disc and U-shaped connecting rod is connected and installed in U-shaped
Connecting rod bottom, and the boss for compressing bearing outer ring is provided with the end face of floral disc, one end of described centering card is fixedly arranged on U
Shape connecting rod bottom, the other end of centering card offers V-type neck.
The upper end of described adapter offers horizontal pin hole.
The bottom of described adapter begins with orthogonal macropore and aperture.
The upper end of described U-shaped connecting rod is plugged in macropore, and the fixation through U-shaped small end portion is provided with aperture
Pin.
It comprises the following steps：
S1, the adapter of upper fixture is fixedly connected with testing machine entablature；By the adapter of lower clamp through horizontal pin
Hole passes through horizontal pin connection with testing machine drawing mechanism；Rotating up preload ring makes preload ring be resisted against on transverse bolt, with except horizontal stroke
To the introduced fit clearance of pin connection；
S2, will up and down extensometer along skid beam make above and below extensometer be brought into close contact；After extensometer is brought into close contact above and below measure
The extensometer edge of a knife between space D0；Measure the internal diameter of whole O-shaped rubber ring sample；
S3, experiment：Reset extensometer reading；The axle wheel of upper fixture annular groove and lower clamp axle wheel it is annular recessed
Sample to be tested is put between groove；The edge of a knife of upper extensometer is caught in the V-type neck of upper fixture, the edge of a knife of lower extensometer is caught in
In the V-type neck of lower clamp；Testing machine pulls lower clamp movement, and lower extensometer follows lower clamp and moved along skid beam, until
Tensile sample is pulled apart, and reads the reading D that sample pulls apart extensometer at present；
S4, calculate whole O-shaped rubber ring tensile test at room temperature extension at break amount
In formula：ε is elongation at break, %；D is that sample pulls apart extensometer reading at present, unit mm；D0Extended to be upper and lower
Count spacing, unit mm between the extensometer edge of a knife after being brought into close contact；G is axle wheel girth, unit mm；C is sample internal diameter girth, unit
mm。
The present invention has advantages below：
(1) measurement accuracy is high.The present invention by being brought into close contact with upper and lower extensometer after the extensometer edge of a knife between spacing with it is whole
When O-shaped rubber ring is pulled apart, extensometer reading sum replaces crosshead displacement, it is to avoid crosshead displacement precision is low, equipment and folder
Fit clearance and dependent variable between tool, fixture and exemplar are not fixed, crosshead displacement resets the shortcomings of point is difficult to determine, are passed through
It is formed with experimental rig with the bearing heart and is caught in the extensometer edge of a knife on the V-type neck in test force vertical direction same level face to measure
Go out O-shaped rubber ring practical distortion amount, improve measurement accuracy.
(2) it is simple in construction, easy to operate.The apparatus structure that the present invention is provided is simple, using U-shaped connecting rod, in U-shaped connecting rod
Bearing and axle wheel are assembled in bottom, and axle wheel outer surface is formed with annular groove.Whole O-shaped rubber ring need to be only placed on to two rings during experiment
The installation of exemplar can be completed in connected in star, can finally start experiment, with frock it is quick, it is easy to operate the characteristics of.
3rd, avoid and shifted in rubber ring drawing process.Annular groove is offered on the axle wheel of the present invention, annular is recessed
Groove effectively prevent the lateral shift that may occur when O-shaped rubber ring is tested on axle wheel excircle or slip, it is to avoid thus
The measurement error brought.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of upper fixture；
Fig. 3 is the rearview of upper fixture；
Fig. 4 is the structural representation of centering card；
In figure, 1- upper fixtures, 2- lower clamps, 3- skid beams, the upper extensometers of 4-, extensometer, 6- adapters, 7- pretensions under 5-
Ring, 8-U shape connecting rods, 9- centering cards, 10- axle wheels, 11- floral discs, 12- bearings, 13- annular grooves, 14-V type necks, 15- is horizontal
To pin hole, 16- apertures.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings, and protection scope of the present invention is not limited to as described below：
As shown in figures 1-4, a kind of whole O-shaped rubber ring tension test extension at break measuring device, it include upper fixture 1,
Lower clamp 2, vertically arranged skid beam 3, upper extensometer 4 and lower extensometer 5, upper extensometer 4 and lower extensometer 5 are arranged at skid beam 3
Go up and can slide along, upper fixture 1 and the setting symmetrical above and below of lower clamp 2.Upper extensometer 4 is by load part and test portion group
Into described load part includes adapter 6, preload ring 7 and U-shaped connecting rod 8, and the middle part of adapter 6 is provided with external screw thread, pretension
Internal thread is offered in ring 7, external screw thread of the preload ring 7 through internal thread and adapter 6 is connected and installed on adapter 6, U-shaped connecting rod
8 upper end is connected with the bottom of adapter 6, and described test portion includes centering card 9, axle wheel 10, floral disc 11 and bearing
12, the inner ring of bearing 12 is installed on the bottom of U-shaped connecting rod 8, and the outer ring of bearing 12 is interference fitted with the endoporus of axle wheel 10, axle wheel
Offered on 10 cylinder and external screw thread is additionally provided with annular groove 13, the bottom of U-shaped connecting rod 8, floral disc 11 and U-shaped connecting rod 8
External screw thread be connected and installed in the bottom of U-shaped connecting rod 8, and be provided with the boss for compressing bearing 12 outer ring on the end face of floral disc 11,
When rotation floral disc 11 makes boss be separated with the outer ring of bearing 12, axle wheel 10 can do free rotation around the axis of bearing 12, convenient
Adjustment is placed on the position of sample between two annular grooves 13, it is ensured that the precision of experiment.One end of described centering card 9 is fixed
In the bottom of U-shaped connecting rod 8, the other end of centering card 9 offers V-type neck 14, and centering card 9 is L-shaped flake.
The upper end of described adapter 6 offers horizontal pin hole 15；The bottom of described adapter 6 begins with phase
Mutual vertical macropore and aperture 16.The upper and lower end parts diameter of described U-shaped connecting rod 8 is equal and arranged in parallel, U-shaped connecting rod 8
Upper end be plugged in macropore, the steady pin through the upper end of U-shaped connecting rod 8 is installed in aperture 16.
It comprises the following steps：
S1, the adapter 6 of upper fixture 1 is fixedly connected with testing machine entablature；By the adapter 6 of lower clamp 2 through transverse direction
Pin hole 15 passes through horizontal pin connection with testing machine drawing mechanism；Rotating up preload ring 7 makes preload ring 7 be resisted against transverse bolt
On, with except the introduced fit clearance of horizontal pin connection；
S2, will up and down extensometer along skid beam 3 make above and below extensometer be brought into close contact；After extensometer is brought into close contact above and below measure
The extensometer edge of a knife between space D0；Measure the internal diameter of whole O-shaped rubber ring sample；
S3, experiment：Reset extensometer reading；In the annular groove 13 and the axle wheel 10 of lower clamp 2 of the axle wheel 10 of upper fixture 1
Annular groove 13 between put sample to be tested；The edge of a knife of upper extensometer 4 is caught in the V-type neck 14 of upper fixture 1, drawn by under
The edge of a knife for stretching meter 5 is caught in the V-type neck 14 of lower clamp 2；Testing machine pulls lower clamp 2 to move, and lower extensometer 5 follows lower clamp
2 and moved along skid beam 3, until tensile sample is pulled apart, read the reading D that sample pulls apart extensometer 5 at present；Drawn due to upper and lower
Stretch meter to be held on respectively on the centering card 9 of upper and lower fixture, and be not held on directly on sample, it is to avoid sample holder
After deform, improve the measurement accuracy of extension at break amount；
S4, calculate whole O-shaped rubber ring tensile test at room temperature extension at break amount
In formula：ε is elongation at break, %；D is that sample pulls apart extensometer reading at present, unit mm；D0Extended to be upper and lower
Count spacing, unit mm between the extensometer edge of a knife after being brought into close contact；G is axle wheel girth, unit mm；C is sample internal diameter girth, unit
mm.It can thus be appreciated that the present apparatus by being brought into close contact with upper and lower extensometer after the extensometer edge of a knife between spacing pulled with whole O-shaped rubber ring
When disconnected, extensometer reading sum replaces crosshead displacement, it is to avoid crosshead displacement precision is low, equipment and fixture, fixture and sample
Fit clearance and dependent variable between part are not fixed, crosshead displacement resets the shortcomings of point is difficult to determine, by experimental rig
It is formed with and is caught in the extensometer edge of a knife on the V-type neck in test force vertical direction same level face to measure O shape rubber with the bearing heart
Practical distortion amount is enclosed, measurement accuracy is improved.
It can easily be realized or using the present invention by professional and technical personnel in the field, and understand above disclosure completely
Afterwards, many variations and modifications can be designed.Therefore the present invention is not intended to be limited to specific embodiment disclosed herein, but
Meet modifications and variations consistent with test method of the present invention and its experimental rig function and its equivalent.
Claims (5)
1. a kind of whole O-shaped rubber ring tension test extension at break measuring device, it is characterised in that：It include upper fixture (1), under
Fixture (2), vertically arranged skid beam (3), upper extensometer (4) and lower extensometer (5), upper extensometer (4) and lower extensometer (5) are set
It is placed in skid beam (3) and can slides along, upper fixture (1) and lower clamp (2) setting symmetrical above and below, upper extensometer (4) is by load
Part and test portion composition, described load part includes adapter (6), preload ring (7) and U-shaped connecting rod (8), adapter
(6) it is provided with the middle part of in external screw thread, preload ring (7) and offers internal thread, preload ring (7) is through internal thread and adapter (6)
External screw thread is connected and installed on adapter (6), and the upper end of U-shaped connecting rod (8) is connected with the bottom of adapter (6), described examination
Testing part includes centering card (9), axle wheel (10), floral disc (11) and bearing (12), and the inner ring of bearing (12) is installed on U-shaped connecting rod
(8) bottom, the outer ring of bearing (12) is interference fitted with the endoporus of axle wheel (10), and annular is offered on the cylinder of axle wheel (10)
External screw thread is additionally provided with groove (13), the bottom of U-shaped connecting rod (8), floral disc (11) is connected with the external screw thread of U-shaped connecting rod (8)
U-shaped connecting rod (8) bottom is installed on, and the boss for compressing bearing (12) outer ring is provided with the end face of floral disc (11), it is described
One end of centering card (9) is fixedly arranged on U-shaped connecting rod (8) bottom, and the other end of centering card (9) offers V-type neck (14).
2. a kind of whole O-shaped rubber ring tension test extension at break measuring device according to claim 1, its feature exists
In：The upper end of described adapter (6) offers horizontal pin hole (15).
3. a kind of whole O-shaped rubber ring tension test extension at break measuring device according to claim 1, its feature exists
In：The bottom of described adapter (6) begins with orthogonal macropore and aperture (16).
4. a kind of whole O-shaped rubber ring tension test extension at break measuring device according to claim 1, its feature exists
In：The upper end of described U-shaped connecting rod (8) is plugged in macropore, is provided with aperture (16) through U-shaped connecting rod (8) upper end
Steady pin.
5. the method for the whole O-shaped rubber ring tension test extension at break amount of measurement device according to claim 1, its feature exists
In：It comprises the following steps：
S1, the adapter (6) of upper fixture (1) is fixedly connected with testing machine entablature；The adapter (6) of lower clamp (2) is passed through
Horizontal pin hole (15) passes through horizontal pin connection with testing machine drawing mechanism；Rotate up preload ring (7) make preload ring (7) against
In on transverse bolt, with except the introduced fit clearance of horizontal pin connection；
S2, will up and down extensometer along skid beam (3) make above and below extensometer be brought into close contact；After extensometer is brought into close contact above and below measure
Space D between the extensometer edge of a knife0；Measure the internal diameter of whole O-shaped rubber ring sample；
S3, experiment：Reset extensometer reading；In the annular groove (13) and the axle of lower clamp (2) of the axle wheel (10) of upper fixture (1)
Sample to be tested is put between the annular groove (13) for taking turns (10)；The edge of a knife of upper extensometer (4) is caught in the V-type card of upper fixture (1)
In groove (14), in the V-type neck (14) that the edge of a knife of lower extensometer (5) is caught in lower clamp (2)；Testing machine pulls lower clamp (2)
Mobile, lower extensometer (5) follows lower clamp (2) and mobile along skid beam (3), until tensile sample is pulled apart, reads sample and pulls apart
At present the reading D of extensometer (5)；
S4, calculate whole O-shaped rubber ring tensile test at room temperature extension at break amount
In formula：ε is elongation at break, %；D is that sample pulls apart extensometer reading at present, unit mm；D0It is close for upper and lower extensometer
Spacing between the extensometer edge of a knife after laminating, unit mm；G is axle wheel girth, unit mm；C is sample internal diameter girth, unit mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459542.9A CN107084881B (en) | 2017-06-16 | 2017-06-16 | Device and method for measuring elongation at break of whole O-shaped rubber ring in tensile test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459542.9A CN107084881B (en) | 2017-06-16 | 2017-06-16 | Device and method for measuring elongation at break of whole O-shaped rubber ring in tensile test |
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| Publication Number | Publication Date |
|---|---|
| CN107084881A true CN107084881A (en) | 2017-08-22 |
| CN107084881B CN107084881B (en) | 2023-05-16 |
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| CN201710459542.9A Active CN107084881B (en) | 2017-06-16 | 2017-06-16 | Device and method for measuring elongation at break of whole O-shaped rubber ring in tensile test |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389073A (en) * | 2019-08-30 | 2019-10-29 | 贵州航天精工制造有限公司 | It is a kind of for measuring the test tool of O-ring seal tensile property |
| CN112378760A (en) * | 2021-01-18 | 2021-02-19 | 南京济同检测科技有限公司 | Rubber ring strength detection device with biaxial stretching mechanism |
| CN113376009A (en) * | 2021-06-24 | 2021-09-10 | 滁州学院 | Device and method for detecting manufacturing strength of overhead power line electric power fitting |
| CN116754378A (en) * | 2023-07-18 | 2023-09-15 | 杭州泰妍流体科技有限公司 | Rubber ring strength detection device with biaxial stretching mechanism |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB847288A (en) * | 1957-02-11 | 1960-09-07 | Firestone Tire & Rubber Co | Apparatus for testing rubber |
| EP1696221A1 (en) * | 2005-02-25 | 2006-08-30 | Vallourec Precision Soudage | Method of fatigue characterizing substantially hollow longitudinally extending profiles |
| CN102445384A (en) * | 2011-09-22 | 2012-05-09 | 西北工业大学 | Clamp for testing annular tensile property of tubular product |
| CN204064829U (en) * | 2014-07-16 | 2014-12-31 | 温州市骐邦环保科技有限公司 | A kind of Tensile Strength and Elongation testing machine of rubber astragal |
| CN104677736A (en) * | 2015-03-11 | 2015-06-03 | 中国工程物理研究院化工材料研究所 | Mechanical property detector for rubber ring |
| CN204882220U (en) * | 2015-07-28 | 2015-12-16 | 江阴市产品质量监督检验所 | Tensile anchor clamps of simple and easy ring |
| CN105547819A (en) * | 2016-01-28 | 2016-05-04 | 中国原子能科学研究院 | Annular sample stretching fixture |
| JP2017072483A (en) * | 2015-10-07 | 2017-04-13 | 大阪瓦斯株式会社 | Tensile test method and tensile test tool |
| CN207036559U (en) * | 2017-06-16 | 2018-02-23 | 中国人民解放军第五七一九工厂 | A kind of whole O-shaped rubber ring tension test extension at break measuring device |
-
2017
- 2017-06-16 CN CN201710459542.9A patent/CN107084881B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB847288A (en) * | 1957-02-11 | 1960-09-07 | Firestone Tire & Rubber Co | Apparatus for testing rubber |
| EP1696221A1 (en) * | 2005-02-25 | 2006-08-30 | Vallourec Precision Soudage | Method of fatigue characterizing substantially hollow longitudinally extending profiles |
| CN102445384A (en) * | 2011-09-22 | 2012-05-09 | 西北工业大学 | Clamp for testing annular tensile property of tubular product |
| CN204064829U (en) * | 2014-07-16 | 2014-12-31 | 温州市骐邦环保科技有限公司 | A kind of Tensile Strength and Elongation testing machine of rubber astragal |
| CN104677736A (en) * | 2015-03-11 | 2015-06-03 | 中国工程物理研究院化工材料研究所 | Mechanical property detector for rubber ring |
| CN204882220U (en) * | 2015-07-28 | 2015-12-16 | 江阴市产品质量监督检验所 | Tensile anchor clamps of simple and easy ring |
| JP2017072483A (en) * | 2015-10-07 | 2017-04-13 | 大阪瓦斯株式会社 | Tensile test method and tensile test tool |
| CN105547819A (en) * | 2016-01-28 | 2016-05-04 | 中国原子能科学研究院 | Annular sample stretching fixture |
| CN207036559U (en) * | 2017-06-16 | 2018-02-23 | 中国人民解放军第五七一九工厂 | A kind of whole O-shaped rubber ring tension test extension at break measuring device |
Non-Patent Citations (1)
| Title |
|---|
| 刘广绪等: "橡胶O型圈的力学性能的检测", 《橡塑资源利用》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389073A (en) * | 2019-08-30 | 2019-10-29 | 贵州航天精工制造有限公司 | It is a kind of for measuring the test tool of O-ring seal tensile property |
| CN112378760A (en) * | 2021-01-18 | 2021-02-19 | 南京济同检测科技有限公司 | Rubber ring strength detection device with biaxial stretching mechanism |
| CN113376009A (en) * | 2021-06-24 | 2021-09-10 | 滁州学院 | Device and method for detecting manufacturing strength of overhead power line electric power fitting |
| CN113376009B (en) * | 2021-06-24 | 2024-04-19 | 滁州学院 | Overhead power line electric power fitting manufacturing strength detection device and detection method |
| CN116754378A (en) * | 2023-07-18 | 2023-09-15 | 杭州泰妍流体科技有限公司 | Rubber ring strength detection device with biaxial stretching mechanism |
| CN116754378B (en) * | 2023-07-18 | 2023-12-01 | 杭州泰妍流体科技有限公司 | Rubber ring strength detection device with biaxial stretching mechanism |
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|---|---|
| CN107084881B (en) | 2023-05-16 |
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