CN104237030B - Compression creep test instrument - Google Patents
Compression creep test instrument Download PDFInfo
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- CN104237030B CN104237030B CN201410457890.9A CN201410457890A CN104237030B CN 104237030 B CN104237030 B CN 104237030B CN 201410457890 A CN201410457890 A CN 201410457890A CN 104237030 B CN104237030 B CN 104237030B
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Abstract
The present invention relates to a kind of compression creep test instrument, it is mainly used in the compression creep test of RPUF.It is characterized in that：It is main by high-temperature cabinet（1）With three compression creep test devices（2）Constitute；The compression creep test device（2）Including specimen mounting（3）, column（4）, clip（5）, displacement transducer（6）, scale pan（7）, guide pillar（8）And pressure head（9）；The specimen mounting（3）By base（3.1）, pillar（3.2）And supporting plate（3.3）Constitute, the supporting plate（3.3）And base（3.1）It is setting up and down, pillar is used therebetween（3.2）Connection；The column（4）It is fixed on supporting plate（3.3）On, the guide pillar（8）Through supporting plate（3.3）, top is connected with scale pan（7）, bottom is connected with pressure head（9）.Its advantage is that the test period is short, test efficiency is high, low cost.
Description
Technical field
The present invention relates to a kind of compression creep test instrument, mainly apply to detection sample at certain load (50N or 100N),
Sample compression Direction distortion amount after carrying 7 days or 48 hours is protected under uniform temperature (70 DEG C or 80 DEG C).Be particularly suitable for use in hard polyurethane
The compression creep test of ester foamed plastic.
Background technology
The compression creep test of existing RPUF is to use the electronic tensile machine with environmental test chamber
Detected, problems with is had according to the detection of existing instrument：
1st, detection cycle is long, three Duplicate Samples of this test requirements document, and puller system can only once make a sample, if using pulling force
Machine is tested, and most short detection cycle takes 27 days；If to be tested using multiple puller systems, cost certainly will be increased, and add
Wen Shi, it is difficult to ensure that the uniformity of three specimen temperatures.
2nd, test requirements document load is 50N or 100N, carries out experiment with puller system and has data wander phenomenon, it is impossible to ensures
The stability of data.
3rd, the puller system high cost with environmental test chamber, and to use cooling water in process of the test always, cumbersome,
Space-consuming is big.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided a kind of test period is short, test efficiency is high, low cost pressure
Contracting creep deformation tester.
The object of the present invention is achieved like this：A kind of compression creep test instrument, it is mainly compressed by high-temperature cabinet and three
Creep test device is constituted；
The compression creep test device includes specimen mounting, column, clip, displacement transducer, scale pan, guide pillar and pressure head；
The specimen mounting is made up of base, pillar and supporting plate, and the supporting plate and base are setting up and down, use therebetween
Pillar is connected；
The column is fixed on the supporting plate, and the guide pillar passes through supporting plate, and top is connected with scale pan, and bottom is connected with
Pressure head；
Institute's displacement sensors are located above scale pan, and are fixed on by clip on column；
The compression creep test device is arranged at the top of high-temperature cabinet, and the base and pillar of its specimen mounting are placed in the interior of high-temperature cabinet
In chamber.
Carry arm seat and handsetting block base are additionally provided with the supporting plate, carry arm one end is hinged with carry arm seat, and the other end is arranged at
Below scale pan；
Shifting block is hinged with the handsetting block base, the shifting block is located at lower section, the shifting block and driving lever phase in the middle part of the carry arm
Even.
Handle is additionally provided with the supporting plate.The handle is preferably two.
The pillar of the specimen mounting is four, respectively positioned at the corner of specimen mounting.
Compared with prior art, the beneficial effects of the invention are as follows：
By counterweight stable pressure is provided to act on sample, the defined time and at a temperature of Accurate Determining sample
Compression creep situation.Clever structure of the present invention, improves test efficiency, reduces the data fluctuations of process of the test, can pass through electricity
Data situation in brain Real Time Observation process of the test, use manpower and material resources sparingly cost.
Brief description of the drawings
Fig. 1 is the structural representation of compression creep test instrument of the present invention.
Fig. 2 is the structural representation of compression creep test device in Fig. 1.
Wherein：
High-temperature cabinet 1, compression creep test device 2, specimen mounting 3, column 4, clip 5, displacement transducer 6, scale pan 7, guide pillar
8th, pressure head 9, carry arm 10, carry arm seat 11, shifting block 12, driving lever 13, counterweight 14, sample 15；
Base 3.1, pillar 3.2, supporting plate 3.3, handle 3.4.
Embodiment
Referring to Fig. 1, a kind of compression creep test instrument of the present invention, it is mainly by high-temperature cabinet 1 and three compression creeps
Exerciser 2 is constituted.
The compression creep test device 2 is main by specimen mounting 3, column 4, clip 5, displacement transducer 6, scale pan 7, guide pillar
8th, pressure head 9, carry arm 10, carry arm seat 11, shifting block 12 and driving lever 13 are constituted.
The specimen mounting 3 is made up of base 3.1, pillar 3.2 and supporting plate 3.3, in the supporting plate 3.3 and base 3.1
It is lower to set, connected with pillar 3.2 therebetween.
Column 4 is provided with the supporting plate 3.3, the guide pillar 8 passes through supporting plate 3.3, and top is connected with scale pan 7,
Bottom is connected with pressure head 9；
Institute's displacement sensors 6 are located at the top of scale pan 7, and are fixed on by clip 5 on column 4；
Described one end of carry arm 10 is hinged with carry arm seat 11, and carry arm seat 11 is fixed in supporting plate 3.3；
The other end of carry arm 10 is arranged at the lower section of scale pan 7；
The middle part of carry arm 10 lower section sets shifting block 12, and shifting block 12 is hinged on handsetting block base, and shifting block fixes in supporting plate
On 3.3, the shifting block 12 is connected with driving lever 13.
Shifting block 12 can be driven by operating driving lever 13 so that action is lifted or put down in the progress of carry arm 10, so as to realize
The lifting or decline of scale pan.
The compression creep test device 2 is arranged on the top of high-temperature cabinet 1, the base 3.1 and branch of its specimen mounting 3 by installing plate
Post 3.2 is arranged in the inner chamber of high-temperature cabinet 1.
Handle 3.4 is additionally provided with the installation and debugging of compression creep test device 2 for convenience, the supporting plate 3.3.It is described
Handle 3.4 preferably two.
The pillar 3.2 of the specimen mounting 3 is preferably four, positioned at the corner of specimen mounting 3.
The test method is that high-temperature cabinet first is heated into predetermined temperature, keeps constant temperature, is then placed in sample 15, adds correspondence
Counterweight 14, protects after carrying 48 hours or 7 days and observes corresponding deformation time curve map.
Claims (3)
1. a kind of compression creep test instrument, it is characterised in that：By high-temperature cabinet（1）With three compression creep test devices（2）Constitute；
The compression creep test device（2）Including specimen mounting（3）, column（4）, clip（5）, displacement transducer（6）, scale pan
（7）, guide pillar（8）And pressure head（9）；
The specimen mounting（3）By base（3.1）, pillar（3.2）And supporting plate（3.3）Constitute, the supporting plate（3.3）And base
（3.1）It is setting up and down, pillar is used therebetween（3.2）Connection；
The column（4）It is fixed on supporting plate（3.3）On, the guide pillar（8）Through supporting plate（3.3）, top is connected with counterweight
Disk（7）, bottom is connected with pressure head（9）；
Institute's displacement sensors（6）Positioned at scale pan（7）Top, and pass through clip（5）It is fixed on column（4）On；
The compression creep test device（2）High-temperature cabinet is arranged on by installing plate（1）Top, its specimen mounting（3）Base（3.1）
And pillar（3.2）It is placed in high-temperature cabinet（1）Inner chamber in；
The supporting plate（3.3）On be additionally provided with carry arm seat（11）And handsetting block base, carry arm（10）One end and carry arm seat（11）It is hinged,
The other end is arranged at scale pan（7）Lower section；
Shifting block is hinged with the handsetting block base（12）, the shifting block（12）Positioned at the carry arm（10）Below middle part, the shifting block
（12）With driving lever（13）It is connected；
The specimen mounting（3）Pillar（3.2）For four, positioned at specimen mounting（3）Corner.
2. a kind of compression creep test instrument according to claim 1, it is characterised in that：The supporting plate（3.3）On also set
It is equipped with handle（3.4）.
3. a kind of compression creep test instrument according to claim 2, it is characterised in that：The handle（3.4）There are two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410457890.9A CN104237030B (en) | 2014-09-10 | 2014-09-10 | Compression creep test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410457890.9A CN104237030B (en) | 2014-09-10 | 2014-09-10 | Compression creep test instrument |
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| Publication Number | Publication Date |
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| CN104237030A CN104237030A (en) | 2014-12-24 |
| CN104237030B true CN104237030B (en) | 2017-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410457890.9A Active CN104237030B (en) | 2014-09-10 | 2014-09-10 | Compression creep test instrument |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738223B (en) * | 2016-02-23 | 2018-07-17 | 武汉工程大学 | A kind of experimental provision and its test method of single shaft BREE solutions |
| CN105674932B (en) * | 2016-03-01 | 2018-03-23 | 青岛科技大学 | One kind is packed for plastic foam thickness and compression creep tester |
| CN108956335A (en) * | 2018-04-04 | 2018-12-07 | 山东省宜华家具有限公司 | Sofa cushion short cycle creep test method and its equivalence |
| CN112525721A (en) * | 2020-10-26 | 2021-03-19 | 无锡友方电工股份有限公司 | Flat copper wire sample pressure test tool |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204086041U (en) * | 2014-09-10 | 2015-01-07 | 江阴市产品质量监督检验所 | Compression creep test instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102519803B (en) * | 2011-12-30 | 2014-06-04 | 华东理工大学 | Multi-head miniature test specimen creep experiment device and test method |
| CN202793939U (en) * | 2012-07-18 | 2013-03-13 | 西安理工大学 | High temperature compression creep measuring and control device |
| RU2516391C1 (en) * | 2012-12-07 | 2014-05-20 | федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Пермский национальный исследовательский политехнический университет" | Method to determine area of plastic deformation under fracture in sample |
| CN203643245U (en) * | 2013-12-19 | 2014-06-11 | 建新赵氏集团有限公司 | Simple high-temperature creep test bed |
| CN203745317U (en) * | 2014-02-13 | 2014-07-30 | 中国林业科学研究院木材工业研究所 | Large-deformation palm rattan wood creep testing device |
| CN103926159B (en) * | 2014-04-14 | 2016-08-17 | 北京工业大学 | A kind of microbonding point device for testing creep resistance and using method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204086041U (en) * | 2014-09-10 | 2015-01-07 | 江阴市产品质量监督检验所 | Compression creep test instrument |
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Effective date of registration: 20211118 Address after: No. 188, East Outer Ring Road, Jiangyin high tech Zone, Wuxi City, Jiangsu Province Patentee after: Jiangsu Chengxin Inspection Certification Co.,Ltd. Address before: 214434 building 6, 188 East Outer Ring Road, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: JIANGYIN CITY PRODUCT QUALITY SUPERVISION AND INSPECTION INSTITUTE |
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Address after: No. 188, East Outer Ring Road, Jiangyin high tech Zone, Wuxi City, Jiangsu Province Patentee after: Jiangsu Chengxin Inspection, Testing and Certification Co.,Ltd. Address before: No. 188, East Outer Ring Road, Jiangyin high tech Zone, Wuxi City, Jiangsu Province Patentee before: Jiangsu Chengxin Inspection Certification Co.,Ltd. |