CN106932289A - A kind of quick resilient mounting for measuring rubber type of material rebound characteristics - Google Patents
A kind of quick resilient mounting for measuring rubber type of material rebound characteristics Download PDFInfo
- Publication number
- CN106932289A CN106932289A CN201710222584.0A CN201710222584A CN106932289A CN 106932289 A CN106932289 A CN 106932289A CN 201710222584 A CN201710222584 A CN 201710222584A CN 106932289 A CN106932289 A CN 106932289A
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- Prior art keywords
- compression
- crossbeam
- moving beam
- compression crossbeam
- mounting plate
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- 239000000463 material Substances 0.000 title claims abstract description 44
- 230000006835 compression Effects 0.000 claims abstract description 66
- 238000007906 compression Methods 0.000 claims abstract description 66
- 238000011068 loading method Methods 0.000 claims abstract description 12
- 238000004826 seaming Methods 0.000 claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000013016 damping Methods 0.000 claims description 8
- 229920001967 Metal rubber Polymers 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 18
- 230000002457 bidirectional effect Effects 0.000 description 10
- 238000005259 measurement Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004154 testing of material 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
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/52—Investigating hardness or rebound hardness by measuring extent of rebound of a striking body
-
- 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
Landscapes
- 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 present invention provides a kind of quick resilient mounting for measuring rubber type of material rebound characteristics,Including device pedestal,It is arranged on the lower platform on device pedestal,The upper mounting plate being connected with lower platform by support shaft,It is arranged on the fixture in lower platform centre position,It is upside down in the biaxial loadings cylinder on upper mounting plate,It is arranged on two moving beam sliding axles between upper mounting plate and lower platform,It is arranged on the moving beam on two moving beam sliding axles,It is arranged on two compression crossbeam sliding axles of moving beam lower surface,The lower compression crossbeam being connected with two compression crossbeam sliding axle bottoms,It is arranged on the upper compression crossbeam on two compression crossbeam sliding axles,It is arranged on two springs between compression crossbeam and lower compression crossbeam,It is arranged on the seaming chuck of lower compression crossbeam lower end,Spring housing is on corresponding compression crossbeam sliding axle,The output end of biaxial loadings cylinder passes through upper mounting plate,It is connected with upper compression crossbeam after moving beam.Simple to operate, stable performance of the invention, applicability are wide.
Description
Technical field
It is special the present invention relates to a kind of device of material rebounds characteristic test, more particularly to a kind of resilience of measurement rubber type of material
The quick resilient mounting of property, belongs to material properties test field.
Background technology
At present, it is related to the method for testing of material rebounds performance not also to be many in material properties test field.Rubber-like material
Expect the sealing characteristics of sealing ring has vital application in multiple fields such as ship, space flight, automobiles.Rebound characteristics are used as table
One of key property of rubber type of material dynamic sealing efficiency is levied, the compression for having reacted material is reached after entropy balance state in elasticity
Shown deformation characteristic can freely be discharged.Therefore, the rebound characteristics of research rubber type of material are particularly important.Survey at present
The mechanical structure of method for testing is relatively complicated, and rebounding mechanism rebound velocity is relatively low, and process of the test is cumbersome, to testing crew
It is required that higher.Certainty of measurement is low simultaneously, and result of the test error is big, and practicality is not strong.
The present invention has invented obvious technological improvement and lifting compared to other.It is of the invention mainly to include high-speed bidirectional gas
The big major part composition of cylinder system, rebounding mechanism system, comprehensive operation bench etc. three.The two-way cylinder system of high speed of the present invention, return
The agent structures such as bullet train of mechanism are relatively easy, and pilot system is easy to operate.In test material resilience speed, rebounding mechanism system
System can be such that the seaming chuck on ballast material quickly leaves, and be greatly reduced measurement error.
The content of the invention
The purpose of the present invention is directed to the deficiency of existing rubber type of material resilience speed trial measuring technology and provides one
Plant the quick resilient mounting of measurement rubber type of material rebound characteristics.
The object of the present invention is achieved like this：Lower platform including device pedestal, on device pedestal, by branch
Upper mounting plate, the fixture installed in lower platform centre position, the biaxial loadings that are upside down on upper mounting plate that support axle is connected with lower platform
Cylinder, two moving beam sliding axles being arranged between upper mounting plate and lower platform, two moving beams are arranged on by bearing
Moving beam on sliding axle, two compression crossbeam sliding axles for being arranged on moving beam lower surface and two compression crossbeams are slided
Moving axis bottom connection lower compression crossbeam, be arranged on by bearing two compression crossbeam sliding axle on upper compression crossbeams, set
Put two springs between upper compression crossbeam and lower compression crossbeam, be arranged on the seaming chuck of lower compression crossbeam lower end, the bullet
Spring is enclosed within corresponding compression crossbeam sliding axle, the output end of the biaxial loadings cylinder through after upper mounting plate, moving beam with
Upper compression crossbeam connection, detected materials are placed on fixture.
Present invention additionally comprises such some architectural features：
1. fixture described in include clamp mount, the position adjustable being arranged in clamp mount apart from base, be arranged on away from
Push-down head on base, the pressure sensor for being arranged on push-down head lower end, it refers to wait to measure and monitor the growth of standing timber that detected materials are placed on fixture
Material is placed on push-down head.
2. upper mounting plate lower surface is additionally provided with damping block described in.
3. damping block described in is metal-rubber block.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention applies compression using high-speed bidirectional loading cylinder
Load, and fall the acceleration time in cylinder springback process using compression spring buffering, during discharge, push-down head is protected
Hold that position is constant, and the load of detected materials is measured by pressure sensor, the position of seaming chuck uses acceleration transducer or mark
Chi sensor is measured.Rebound characteristics to research material especially rubber type of material devise a preferably experiment dress
Put.
Test system of the invention is simple to operate, stable performance, applicability are wide, can be by detected materials ballast
Quick resilience, realizes accurately testing the rebound characteristics of multiple material.The present invention loads cylinder in resilience using high-speed bidirectional
With the collective effect of spring restoring force, the speed of 2m/s is can reach；
Brief description of the drawings
Fig. 1 is apparatus of the present invention rough package drawing；
Fig. 2 is clamp structure schematic diagram.
In figure：1st, high-speed bidirectional loading cylinder, 2, piston, 3, connecting rod, 4, upper mounting plate, 5, damping block, 6, compression crossbeam slides
Moving axis, 7, moving beam, 8, upper compression crossbeam, 9, spring, 10, support shaft, 11, lower compression crossbeam, 12, seaming chuck, 13, folder
Tool, 14, moving beam sliding axle, 15, lower platform, 16, device pedestal, 13-1, push-down head, 13-2, apart from base, 13-3, pressure
Force snesor, 13-4, clamp mount
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
With reference to Fig. 1-Fig. 2, a kind of quick resilient mounting for measuring rubber type of material rebound characteristics disclosed by the invention, at a high speed
The three big major parts such as two-way cylinder system, rebounding mechanism system, comprehensive operation bench.The high-speed bidirectional cylinder system is included
Gas, 1, piston 2, connecting rod 3, air admission hole, venthole, the part such as plenum chamber, be respectively arranged a band in cylinder head and bottom
Valvular air admission hole and venthole, wherein air admission hole connect plenum chamber, and venthole is connected with the external world, and cylinder bottom is flat with upper
Platform is closely connected, and piston maximum movement speed can reach 2m/s.
The rebounding mechanism system mainly comprising compression crossbeam sliding axle 6, moving beam 7, upper compression crossbeam 8, spring 9,
The parts such as support shaft 10, lower compression crossbeam 11, seaming chuck 12, upper mounting plate 4, lower platform 15, the system utilizes spring loads.Spring
Pitch is used to be made up of the 60Si2Mn materials of a diameter of 12mm of 22mm, two ends are enclosed and cylindrical screw compression bullet that is tight and polishing
Spring, number of active coils is 10 circles, and number of total coils is 12 circles.Upper compression crossbeam, lower compression crossbeam and moving beam material therefor are identical,
High strength alloy steel is, wherein upper compression crossbeam quality is larger, so as to both after moving beam is collided can be with larger speed
Motion upwards；The fixture is comprising push-down head 13-1, apart from portions such as base 13-2, pressure sensor 13-3, clamp mount 13-4
Part, push-down head can be according to detected materials size adjusting upper-lower height；
There are four support shafts 10 and two moving beam sliding axles 14 between upper mounting plate of the invention and lower platform, it is mobile horizontal
Beam 7 is arranged on two moving beam sliding axles 14 by axial plain bearing, is had between moving beam 7 and lower compression crossbeam 11
Two compression crossbeam sliding axles 6, upper compression crossbeam 8 is arranged on compression crossbeam sliding axle by axial plain bearing, spring peace
On compression crossbeam sliding axle between upper compression crossbeam and lower compression crossbeam, moving beam is installed in upper mounting plate bottom and is hit
Energy-absorbing damping block is hit, grip device is arranged on lower platform upper bottom surface, and every shaft end fixes the damping by spiral in device
Block is mounted in the metal-rubber of upper mounting plate bottom surface.
At the trial, the pressure sensor in fixture can test compression load, the position of regulation loading to be measured, its loading essence
Degree is up to 0.001mm.Rebounding mechanism system can make the quick resilience of seaming chuck, resilience speed >=1000mm/s using rebound spring.
The displacement-time curve of sealing ring is accurately measured by selecting suitable displacement measuring device, so as to precisely measure sealing ring
Rebound characteristics.
With reference to Fig. 1 and Fig. 2, a kind of quick resilient mounting for measuring rubber type of material rebound characteristics of the invention, including height
Fast biaxial loadings cylinder 1, piston 2, connecting rod 3, upper mounting plate 4, damping block 5, compression crossbeam sliding axle 6, moving beam 7, upper compression
Crossbeam 8, spring 9, support shaft 10, it is lower compression crossbeam 11, seaming chuck 12, fixture 13, moving beam sliding axle 14, lower platform 15,
The grade part of device pedestal 16.
(1) apparatus of the present invention when not working, in free state, spring 9 is in the case where conduct oneself with dignity in compression shape by upper compression crossbeam 8
State, upper compression crossbeam 8 is in close contact with moving beam 7, seaming chuck 12 and fixture 13 not in contact with.
(2) when testing, loaded by controlling multi-function test stand high-speed bidirectional is loaded cylinder 1 first.Piston 2 is downward
Mobile, along with moving downward, there is no compression in spring 9 to lower compression crossbeam 11 in this stage.
(3) as lower compression crossbeam 11 is moved downward, after seaming chuck 12 is contacted with detected materials, continue to move downward directly
To after being contacted with clamp mount 13-4, moving beam 7 and lower compression crossbeam 11 position keep constant, in high-speed bidirectional cylinder 1
Under effect, upper compression crossbeam 8 continues to move downward compression spring 9, by mixing console control, when ballast reaches experiment demand
When, stop moving downward for piston 2.
(4) start unloading, the fast upward motion of 1 inner carrier of high-speed bidirectional loading cylinder 2, but encounter in upper compression crossbeam 8
Before moving beam 7, the pressure of spring 9 causes piston 2 to obtain acceleration and ensures that seaming chuck 12 still keeps pressing with detected materials
Contracting state.
(5) when upper compression crossbeam 8 encounters moving beam 7, upper compression crossbeam 8, moving beam 7 are with piston 2 with mutually synchronized
Degree motion upwards, starts simultaneously at the rebound characteristics of test detected materials.
(6) experimental test terminates, device recover reset condition, by pressure sensor measure detected materials load-when
Half interval contour, resilience displacement-time curve is obtained using displacement measuring device.
(7) measurement apparatus such as shut down computer, cut off the electricity supply.
To sum up, the present invention is that a kind of quick resilient mounting for measuring rubber type of material rebound characteristics belongs to material properties test
The invention device in field, the device is intended to accurately be determined by quick rebounding mechanism the rebound performance of rubber type of material.The survey
Test system is made up of three big major parts such as high-speed bidirectional cylinder system, rebounding mechanism system, comprehensive operation bench.The invention device
Under high-speed bidirectional cylinder and compression spring collective effect, the quick resilience of to be measured rubber type of material can be realized, so that can be accurate
Measurement its rebound characteristics.The test system is simple to operate, stable performance, rebound velocity are fast, applicability is wide, can accurately survey
Try the rebound characteristics of multiple material.
Claims (4)
1. it is a kind of measure rubber type of material rebound characteristics quick resilient mounting, it is characterised in that：Including device pedestal, it is arranged on
Lower platform on device pedestal, the upper mounting plate being connected with lower platform by support shaft, the fixture installed in lower platform centre position,
It is the biaxial loadings cylinder that is upside down on upper mounting plate, two moving beam sliding axles being arranged between upper mounting plate and lower platform, logical
Two compression crossbeams for cross the bearing moving beam being arranged on two moving beam sliding axles, being arranged on moving beam lower surface
Sliding axle and two lower compression crossbeams of compression crossbeam sliding axle bottom connection, two compression crossbeams are arranged on by bearing
Upper compression crossbeam on sliding axle, two springs being arranged between compression crossbeam and lower compression crossbeam, it is arranged on lower compression
The seaming chuck of crossbeam lower end, the spring housing is compressed on crossbeam sliding axle corresponding, the output end of the biaxial loadings cylinder
It is connected with upper compression crossbeam after through upper mounting plate, moving beam, detected materials are placed on fixture.
2. it is according to claim 1 it is a kind of measure rubber type of material rebound characteristics quick resilient mounting, it is characterised in that：
The fixture include clamp mount, the position adjustable being arranged in clamp mount apart from base, be arranged on base
Push-down head, the pressure sensor for being arranged on push-down head lower end, it refers to that detected materials are placed on down that detected materials are placed on fixture
On pressure head.
3. a kind of quick resilient mounting for measuring rubber type of material rebound characteristics according to claim 1 and 2, its feature exists
In：The upper mounting plate lower surface is additionally provided with damping block.
4. it is according to claim 3 it is a kind of measure rubber type of material rebound characteristics quick resilient mounting, it is characterised in that：
The damping block is metal-rubber block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710222584.0A CN106932289B (en) | 2017-04-07 | 2017-04-07 | Rapid rebound device for measuring rebound characteristics of rubber materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710222584.0A CN106932289B (en) | 2017-04-07 | 2017-04-07 | Rapid rebound device for measuring rebound characteristics of rubber materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106932289A true CN106932289A (en) | 2017-07-07 |
| CN106932289B CN106932289B (en) | 2020-04-07 |
Family
ID=59425114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710222584.0A Active CN106932289B (en) | 2017-04-07 | 2017-04-07 | Rapid rebound device for measuring rebound characteristics of rubber materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106932289B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231226A (en) * | 2019-05-21 | 2019-09-13 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of dynamic compressive test method of rubber seal under electric field action |
| CN111307632A (en) * | 2020-04-13 | 2020-06-19 | 惠东县三宏橡塑科技有限公司 | Detection equipment for compression rebound rate of rubber foam material |
| CN112378795A (en) * | 2020-09-27 | 2021-02-19 | 福建华检质检技术服务有限公司 | Device for efficiently detecting elastic property of sole |
| CN113484171A (en) * | 2021-06-30 | 2021-10-08 | 舟山市海盟船汽配研发中心有限公司 | Metal gasket seal line compression resilience performance analysis system and device thereof |
| CN115592865A (en) * | 2022-09-14 | 2023-01-13 | 扬州博宏自动化设备有限公司（Cn） | Double-station steam shaping equipment |
| CN115791403A (en) * | 2022-12-09 | 2023-03-14 | 哈尔滨工业大学（威海） | Pressure head loading device for normal loading thin plate micro-tensile test device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5739411A (en) * | 1995-11-13 | 1998-04-14 | Callaway Golf Company | Accelerated impact testing apparatus |
| CN201724875U (en) * | 2010-07-14 | 2011-01-26 | 天津市津维电子仪表有限公司 | Steel anvil calibration device of semiautomatic resiliometer |
| CN102678807A (en) * | 2012-05-30 | 2012-09-19 | 哈尔滨工程大学 | Adjustable metal rubber three-way vibration damper |
| CN103630458A (en) * | 2013-12-12 | 2014-03-12 | 曾汉 | Rebound value calibration device |
| CN106338446A (en) * | 2016-08-02 | 2017-01-18 | 哈尔滨工程大学 | Sealing ring rebound speed test device based on parallel laser |
-
2017
- 2017-04-07 CN CN201710222584.0A patent/CN106932289B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5739411A (en) * | 1995-11-13 | 1998-04-14 | Callaway Golf Company | Accelerated impact testing apparatus |
| CN201724875U (en) * | 2010-07-14 | 2011-01-26 | 天津市津维电子仪表有限公司 | Steel anvil calibration device of semiautomatic resiliometer |
| CN102678807A (en) * | 2012-05-30 | 2012-09-19 | 哈尔滨工程大学 | Adjustable metal rubber three-way vibration damper |
| CN103630458A (en) * | 2013-12-12 | 2014-03-12 | 曾汉 | Rebound value calibration device |
| CN106338446A (en) * | 2016-08-02 | 2017-01-18 | 哈尔滨工程大学 | Sealing ring rebound speed test device based on parallel laser |
Non-Patent Citations (1)
| Title |
|---|
| 闫平义 等: "固体火箭发动机密封材料(F108)回弹特性研究", 《宇航材料工艺》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231226A (en) * | 2019-05-21 | 2019-09-13 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of dynamic compressive test method of rubber seal under electric field action |
| CN111307632A (en) * | 2020-04-13 | 2020-06-19 | 惠东县三宏橡塑科技有限公司 | Detection equipment for compression rebound rate of rubber foam material |
| CN111307632B (en) * | 2020-04-13 | 2022-09-09 | 惠东县三宏橡塑科技有限公司 | Detection equipment for compression rebound rate of rubber foam material |
| CN112378795A (en) * | 2020-09-27 | 2021-02-19 | 福建华检质检技术服务有限公司 | Device for efficiently detecting elastic property of sole |
| CN112378795B (en) * | 2020-09-27 | 2022-07-19 | 福建华检质检技术服务有限公司 | Device for efficiently detecting elastic property of sole |
| CN113484171A (en) * | 2021-06-30 | 2021-10-08 | 舟山市海盟船汽配研发中心有限公司 | Metal gasket seal line compression resilience performance analysis system and device thereof |
| CN113484171B (en) * | 2021-06-30 | 2023-10-31 | 舟山市海盟船汽配研发中心有限公司 | Device and method for analyzing compression rebound resilience performance of metal gasket sealing line |
| CN115592865A (en) * | 2022-09-14 | 2023-01-13 | 扬州博宏自动化设备有限公司（Cn） | Double-station steam shaping equipment |
| CN115592865B (en) * | 2022-09-14 | 2023-11-10 | 扬州博宏自动化设备有限公司 | Double-station steam shaping equipment |
| CN115791403A (en) * | 2022-12-09 | 2023-03-14 | 哈尔滨工业大学（威海） | Pressure head loading device for normal loading thin plate micro-tensile test device |
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| Publication number | Publication date |
|---|---|
| CN106932289B (en) | 2020-04-07 |
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Effective date of registration: 20231030 Address after: 150028 Building 2, innovation and entrepreneurship Plaza, science and technology innovation city, high tech Industrial Development Zone, Harbin, Heilongjiang Province (No. 719, science and technology first street) a205-14 Patentee after: Harbin Deye Hangyu New Material Technology Co.,Ltd. Address before: 150001 Intellectual Property Office, Harbin Engineering University science and technology office, 145 Nantong Avenue, Nangang District, Harbin, Heilongjiang Patentee before: HARBIN ENGINEERING University |