CN104677736A - Mechanical property detector for rubber ring - Google Patents
Mechanical property detector for rubber ring Download PDFInfo
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- CN104677736A CN104677736A CN201510106118.7A CN201510106118A CN104677736A CN 104677736 A CN104677736 A CN 104677736A CN 201510106118 A CN201510106118 A CN 201510106118A CN 104677736 A CN104677736 A CN 104677736A
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- rubber ring
- inner seat
- mechanical property
- housing
- annular groove
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Abstract
The invention discloses a mechanical property detector for a rubber ring. The mechanical property detector comprises an inner seat, wherein a supporting shaft is fixedly connected with the lower surface of the inner seat; an annular groove is formed in the upper surface of the inner seat; the rubber ring is mounted in the annular groove; a mounting hole is formed in the outer side wall of the annular groove; a first detecting component is mounted in the mounting hole; a housing is mounted above the inner seat; the housing is in clearance fit and coaxial with the inner seat; an annular bulge matched with the rubber ring is arranged on the surface, close to the inner seat side, of the housing; the annular bulge and the annular groove are combined to form a closed annular cavity; a pressing shaft is connected with the housing; second detecting components are arranged at the two ends of the pressing shaft. The mechanical property detector disclosed by the invention has the benefits of being used for the testing method of assessing the constraint compression performance of the rubber ring, and establishing the mechanical property of the rubber ring product.
Description
Technical field
The present invention relates to material mechanical performance field tests, be specifically related to a kind of rubber ring device for detecting mechanical property.
Background technology
Rubber ring is buffering energy-absorbing structure part conventional under a kind of vibration environment, and its mechanical property has direct impact to equipment reliability under vibration, stability, is necessary to measure the mechanical property of rubber ring for this reason.Because rubber ring is soft yielding goods, its mechanical property is difficult to accurate detection, in a prior art situation, loaded by testing machine (testing machine refers to the accurate side-looking instrument of mechanical property, shop characteristic, inherent vice and the verification rotating parts dynamic unbalance measuring metal material, nonmetallic materials, mechanical component, engineering structure etc. under various condition, environment) and directly can obtain rubber ring axle pressure and corresponding axial crushing deformation amount, but be difficult to the bearing capacity (lateral stressed size) after obtaining rubber ring compression.
For satisfied vibration feasibility study experiment request for utilization, (mechanical property refers to that material under various circumstances to need to investigate the comprehensive mechanical property of rubber ring, the mechanical characteristics that bear that various applied load such as stretches, compresses, bends, reverses, impacts, alterante stress etc. shows), especially investigate the ability bearing transverse load after rubber ring compression.By test out rubber ring compression after bear transverse load ability, research rubber ring axle pressure and the internal relation between axial compression amount and radial load-bearing capacity, determine vibration test rubber ring state of the art, and then for finally determining that rubber ring type aiding support scheme provides necessary foundation, to carry out the test of rubber ring type selecting compression performance before device vibration test.
Vibration test refers to evaluation product vibration resistance and test of carrying out vibrated material object or model in the environment for use of expection.Type according to the oscillating load applied is divided into sine vibration test and random vibration test two kinds vibration test.Sine vibration test comprises quota vibration test and scanning sine vibration test.Scanning vibration test requires that vibration frequency changes according to certain rules, as linear change or exponential law change.Vibration rig is divided into loading equipemtn and opertaing device two parts.Loading equipemtn has mechanical shaker, electromagnetic vibration platform and electrohydraulic shaker.Electromagnetic vibration platform is current most popular a kind of loading equipemtn.Vibration control experiment is used for producing vibration signal and the size controlling vibration level.Vibration control equipment should possess sinusoidal vibration controlling functions and random vibration control function.Vibration test is environmental simulation mainly, and test parameters is frequency range, vibration amplitude and duration of test runs.Vibration has the impact of product: structural failure, as malformation, product crackle or fracture; Product function lost efficacy or performance overproof, as loose contact, relay misoperation work etc., this destruction does not belong to permanent damage, because once vibration reduces or stops, work just can recover normal; Manufacturability is destroyed, as screw or web member loosen, sealing-off.From vibration test technology trends, multiparty control technology, multi-platform combined exciting technology will be adopted.
Summary of the invention
Instant invention overcomes prior art testing machine and directly can only obtain rubber ring axle pressure and corresponding axial crushing deformation amount to rubber ring mechanics properties testing, but be difficult to the deficiency of bearing capacity (lateral stressed size) after obtaining rubber ring compression, provide a kind of and accurately can obtain the rubber ring device for detecting mechanical property that rubber ring axle pressure and corresponding axial crushing deformation amount can obtain again the lateral stressed size after rubber ring compression.
For achieving the above object, the present invention by the following technical solutions:
A kind of rubber ring device for detecting mechanical property, it comprises inner seat, described inner seat lower surface is fixedly connected with bolster, described inner seat upper surface is provided with annular groove, in described annular groove, rubber ring is installed, the lateral wall of described annular groove offers mounting hole, the first detection part for measuring the rear horizontal force size of rubber ring compression is installed in described mounting hole, above described inner seat, housing is installed, described housing and inner seat are clearance fit and described housing and inner seat keep coaxial, described housing is provided with at it annular protrusion coordinated with rubber ring on the surface of inner seat side, and described annular protrusion and annular groove form an airtight ring cavity, described housing is connected with last item, the second detection part for measuring the compression-type variable that rubber ring axially produces is provided with at the two ends of described last item, described first detection part is made up of slide block, pressure transducer and bearing, described slide block is installed in mounting hole, one end of described slide block contacts with rubber ring, the other end and pressure transducer are provided with the ends contact of sensor contacts head, the described pressure transducer other end is connected with bearing, described bearing is " L " shape, being fixedly connected with pressure transducer of described bearing vertical direction, described bearing horizontal direction while be fixedly connected with inner seat, described second detection part is displacement transducer, and institute's displacement sensors is successively through last item, housing and inner seat, and the bottom of institute's displacement sensors contacts with inner seat.
By being provided with bolster below inner seat in the technical program, last item is provided with above inner seat, pick-up unit is arranged in Material Testing Machine by the cooperation just by back shaft and last item, again by rubber ring is arranged in annular groove, and annular protrusion is provided with above rubber ring, pick-up unit just can be made to simulate assembling and the actual working state of rubber ring, thus on material experiment-machine, Simulation Study On Pressure experiment is carried out to this pick-up unit.
Rubber ring is when being subject to the pressure that Material Testing Machine produces, after rubber ring forced compression, a compressed shape variable axially can be produced at rubber ring, a lateral stressed size can be produced in the transverse direction of rubber ring whole ring side, by the first pick-up unit in annular groove lateral wall mounting hole, just can detect the lateral stressed size of rubber ring, bearing is used for fixation pressure sensor, the sensor contact of pressure transducer and shoe contact, under the axle pressure effect that last item produces, the slide block generation radial force of free state will be in side direction after rubber ring forced compression, pressure transducer is passed to by sensor contact by radial force, at this moment just the lateral stressed size of rubber ring is detected by pressure transducer, solve in prior art the problem of the bearing capacity (lateral stressed size) after can not measuring rubber ring compression,
Just axially can produce a compressed shape variable to rubber ring detect by arranging the second detection part and displacement transducer respectively at last item two ends, just just can detect compressed shape variable by displacement transducer.
The technical program by arranging a pick-up unit in Material Testing Machine, just can realize the detection to rubber ring mechanical property (the compressed shape variable namely axially produced and lateral stressed size), to carry out the test of rubber annular compression performance before device vibration test, determine vibration test rubber ring state of the art, and then for finally determining that transition ring type aiding support scheme provides necessary foundation.
Further technical scheme is, the lower surface of described last item is provided with the first cambered surface, and the upper surface of described housing is provided with the second cambered surface, and described first cambered surface becomes sphere-contact with the second arc surfaced.
By arranging the first cambered surface and the second cambered surface in the following table of last item and the upper surface of housing respectively in the technical program, between two cambered surfaces, form sphere-contact, thus ensure the uniform force of last item and housing.
Further technical scheme is, the width of described annular protrusion is identical with the width of annular groove.
By the width of annular protrusion and the width of annular groove are arranged identical in the technical program, only in this way arrange, guarantee is when housing is subject to the downward pressure of last item, annular protrusion can move downward in annular groove, thus the pressure be subject to by housing passes to rubber ring, rubber ring is made to produce compression, thus ready to Data Detection.
Further technical scheme is, is provided with the mounting hole for being connected with Material Testing Machine main shaft in described last item upper end.
Further technical scheme is, is provided with the mounting hole for being connected with material test machine worktable in described bolster bottom.
By arranging mounting hole respectively by last item upper end and bolster lower end in the technical program, just pick-up unit can be ensured to be arranged on smoothly in Material Testing Machine.
Further technical scheme is, described pressure transducer is resistance strain gauge pressure sensor, and institute's displacement sensors is universal back springing type direct current displacement transducer.
Further technical scheme is, being fixedly connected with pressure transducer by screw of described bearing vertical direction, described bearing horizontal direction while be fixedly connected with inner seat by screw.
Further technical scheme is, described inner seat is fixedly connected with bolster by bolt.
Compared with prior art, the invention has the beneficial effects as follows:
This detection is used for the examination of rubber ring constraint compression performance, to set up the method for testing of rubber ring product mechanical property.Device also obtains the lateral stressed size of rubber ring while detection rubber ring axial compression deformation quantity.By device performance test to rubber ring product under different temperatures, pressure, the relation of research rubber ring material and rubber ring product mechanical property, obtains the characterizing method of rubber ring properties of product.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rubber ring device for detecting mechanical property of an embodiment of the present invention.
As shown in Figure 1, wherein corresponding Reference numeral name is called:
1 inner seat, 2 bolsters, 3 rubber rings, 4 annular protrusions, 5 mounting holes, 6 bearings, 7 pressure transducers, 8 slide blocks, 9 housings, 10 displacement transducers, 11 last items.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
A kind of rubber ring device for detecting mechanical property as shown in Figure 1, it comprises inner seat 1, described inner seat 1 lower surface is fixedly connected with bolster 2, described inner seat 1 upper surface is provided with annular groove, rubber ring 3 is installed in described annular groove, the lateral wall of described annular groove offers mounting hole 5, the first detection part compressing rear horizontal force size for measuring rubber ring 3 is installed in described mounting hole 5, above described inner seat 1, housing 9 is installed, described housing 9 and inner seat 1 are for clearance fit and described housing 9 and inner seat 1 keep coaxial, described housing 9 is provided with at it annular protrusion 4 coordinated with rubber ring 3 on the surface of inner seat 1 side, and described annular protrusion 4 and annular groove form an airtight ring cavity, described housing 9 is connected with last item 11, the second detection part for measuring the compression-type variable that rubber ring 3 axially produces is provided with at the two ends of described last item 11, described first detection part is made up of slide block 8, pressure transducer 7 and bearing 6, described slide block 8 is installed in mounting hole 5, one end of described slide block 8 contacts with rubber ring 3, the other end and pressure transducer 7 are provided with the ends contact of sensor contacts head, the described pressure transducer other end is connected with bearing 6, described bearing 6 is " L " shape, being fixedly connected with pressure transducer 7 of described bearing 6 vertical direction, described bearing 6 horizontal direction while be fixedly connected with inner seat 1, described second detection part is displacement transducer 10, institute's displacement sensors 1 is successively through last item 11, housing 9 and inner seat 1, the bottom of institute's displacement sensors 10 contacts with inner seat 1, described bearing 6 vertical direction while be fixedly connected with pressure transducer 7 by screw, described bearing 6 horizontal direction while be fixedly connected with inner seat 1 by screw, described inner seat 1 is fixedly connected with bolster 2 by bolt.
According to one embodiment of present invention, the lower surface of described last item 11 is provided with the first cambered surface, the upper surface of described housing 9 is provided with the second cambered surface, and described first cambered surface becomes sphere-contact with the second arc surfaced, and the width of described annular protrusion 4 is identical with the width of annular groove.
According to one embodiment of present invention, being provided with the mounting hole for being connected with Material Testing Machine main shaft in described last item 11 upper end, being provided with the mounting hole for being connected with material test machine worktable in described bolster 2 bottom.
According to one embodiment of present invention, described Material Testing Machine is general (omnipotent) Material Testing Machine.Described pressure transducer is resistance strain gage pressure transducer, and institute's displacement sensors is universal back springing type direct current displacement transducer.
Table 1 is for using the data of above-mentioned detection device concrete testing rubber ring mechanical property (lateral stressed size, axial compression deformation quantity):
Table 1
The present invention by arranging a pick-up unit in Material Testing Machine, just can realize the detection to rubber ring mechanical property (the compressed shape variable namely axially produced and lateral stressed size), to carry out the test of rubber annular compression performance before device vibration test, determine vibration test rubber ring state of the art, and then for finally determining that transition ring type aiding support scheme provides necessary foundation.
Above-described embodiment is the present invention one preferably embodiment; but protection scope of the present invention is not limited thereto; scope should be as the criterion with claim, the change of all equivalences done according to Spirit Essence of the present invention of those skilled in the art, replaces all in scope.
Claims (8)
1. a rubber ring device for detecting mechanical property, it comprises inner seat (1), described inner seat (1) lower surface is fixedly connected with bolster (2), described inner seat (1) upper surface is provided with annular groove, rubber ring (3) is installed in described annular groove, the lateral wall of described annular groove offers mounting hole (5), the first detection part for measuring the rear horizontal force size of rubber ring (3) compression is installed in described mounting hole (5), described inner seat (1) top is provided with housing (9), described housing (9) keeps coaxial with inner seat (1), described housing (9) is provided with at it annular protrusion (4) coordinated with rubber ring (3) on the surface of inner seat (1) side, and described annular protrusion (4) and annular groove form an airtight ring cavity, described housing (9) is connected with last item (11), the second detection part for measuring the compression-type variable that rubber ring (3) axially produces is provided with at the two ends of described last item (11), described first detection part is by slide block (8), pressure transducer (7) and bearing (6) composition, described slide block (8) is installed in mounting hole (5), one end of described slide block (8) contacts with rubber ring (3), the other end and pressure transducer (7) are provided with the ends contact of sensor contacts head, the described pressure transducer other end is connected with bearing (6), described bearing (6) is " L " shape, described bearing (6) vertical direction while be fixedly connected with pressure transducer (7), described bearing (6) horizontal direction while be fixedly connected with inner seat (1), described second detection part is displacement transducer (10), institute's displacement sensors (10) is successively through last item (11), housing (9) and inner seat (1), and the bottom of institute's displacement sensors (10) contacts with inner seat (1).
2. rubber ring device for detecting mechanical property according to claim 1, it is characterized in that the lower surface of described last item (11) is provided with the first cambered surface, the upper surface of described housing (9) is provided with the second cambered surface, and described first cambered surface becomes sphere-contact with the second arc surfaced.
3. rubber ring device for detecting mechanical property according to claim 1, is characterized in that the width of described annular protrusion (4) is identical with the width of annular groove.
4. rubber ring device for detecting mechanical property according to claim 1, is characterized in that the mounting hole be provided with in described last item (11) upper end for being connected with Material Testing Machine main shaft.
5. rubber ring device for detecting mechanical property according to claim 1, is characterized in that the mounting hole be provided with in described bolster (2) bottom for being connected with material test machine worktable.
6. rubber ring device for detecting mechanical property according to claim 1, it is characterized in that described pressure transducer (7) is for resistance strain gage pressure transducer, institute's displacement sensors (10) is universal back springing type direct current displacement transducer.
7. rubber ring device for detecting mechanical property according to claim 1, it is characterized in that described bearing (6) vertical direction while be fixedly connected with pressure transducer (7) by screw, being fixedly connected with inner seat (1) by screw of described bearing (6) horizontal direction.
8. rubber ring device for detecting mechanical property according to claim 1, is characterized in that described inner seat (1) is fixedly connected with bolster (2) by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510106118.7A CN104677736B (en) | 2015-03-11 | 2015-03-11 | Rubber ring device for detecting mechanical property |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510106118.7A CN104677736B (en) | 2015-03-11 | 2015-03-11 | Rubber ring device for detecting mechanical property |
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| Publication Number | Publication Date |
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| CN104677736A true CN104677736A (en) | 2015-06-03 |
| CN104677736B CN104677736B (en) | 2017-03-15 |
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| CN201510106118.7A Active CN104677736B (en) | 2015-03-11 | 2015-03-11 | Rubber ring device for detecting mechanical property |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383054A (en) * | 2016-10-26 | 2017-02-08 | 哈尔滨工业大学 | Tapered tensile testing machine with annular framework material structure |
| CN107084881A (en) * | 2017-06-16 | 2017-08-22 | 中国人民解放军第五七九工厂 | A kind of whole O-shaped rubber ring tension test extension at break measuring device and method |
| CN110095277A (en) * | 2019-06-15 | 2019-08-06 | 卢子青 | A kind of auto parts and components processing unit (plant) |
| CN114778255A (en) * | 2022-06-13 | 2022-07-22 | 中铝材料应用研究院有限公司 | Preparation device and method of high-flux plane strain sample |
| CN114993831A (en) * | 2022-08-03 | 2022-09-02 | 连云港创诚塑胶科技有限公司 | Toughness multipoint tension testing device for hub protection ring |
| CN115078113A (en) * | 2022-08-23 | 2022-09-20 | 徐州保信密封件有限公司 | Pressure detection device for rubber sealing element production and use method |
| CN115356204A (en) * | 2022-10-19 | 2022-11-18 | 山东工程职业技术大学 | Vision-based sealing ring testing equipment and testing method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106383054A (en) * | 2016-10-26 | 2017-02-08 | 哈尔滨工业大学 | Tapered tensile testing machine with annular framework material structure |
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| CN107084881A (en) * | 2017-06-16 | 2017-08-22 | 中国人民解放军第五七九工厂 | A kind of whole O-shaped rubber ring tension test extension at break measuring device and method |
| CN107084881B (en) * | 2017-06-16 | 2023-05-16 | 中国人民解放军第五七一九工厂 | Device and method for measuring elongation at break of whole O-shaped rubber ring in tensile test |
| CN110095277A (en) * | 2019-06-15 | 2019-08-06 | 卢子青 | A kind of auto parts and components processing unit (plant) |
| CN114778255A (en) * | 2022-06-13 | 2022-07-22 | 中铝材料应用研究院有限公司 | Preparation device and method of high-flux plane strain sample |
| CN114778255B (en) * | 2022-06-13 | 2022-08-26 | 中铝材料应用研究院有限公司 | Preparation device and method of high-flux plane strain sample |
| CN114993831A (en) * | 2022-08-03 | 2022-09-02 | 连云港创诚塑胶科技有限公司 | Toughness multipoint tension testing device for hub protection ring |
| CN115078113A (en) * | 2022-08-23 | 2022-09-20 | 徐州保信密封件有限公司 | Pressure detection device for rubber sealing element production and use method |
| CN115078113B (en) * | 2022-08-23 | 2022-11-11 | 徐州保信密封件有限公司 | Pressure detection device for rubber sealing element production and use method |
| CN115356204A (en) * | 2022-10-19 | 2022-11-18 | 山东工程职业技术大学 | Vision-based sealing ring testing equipment and testing method |
| CN115356204B (en) * | 2022-10-19 | 2023-01-24 | 山东工程职业技术大学 | Seal ring testing equipment and method based on vision |
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