CN104237030A - Compression creep tester - Google Patents
Compression creep tester Download PDFInfo
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- CN104237030A CN104237030A CN201410457890.9A CN201410457890A CN104237030A CN 104237030 A CN104237030 A CN 104237030A CN 201410457890 A CN201410457890 A CN 201410457890A CN 104237030 A CN104237030 A CN 104237030A
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- compression creep
- creep test
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- pillar
- specimen mounting
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Abstract
The invention relates to a compression creep tester mainly used for the compression creep test of a rigid polyurethane foaming plastic. The tester is characterized by mainly comprising a high temperature tank (1) and three compression creep testing machines (2), wherein the compression creep testing machines comprise sample frames (3), stand columns (4), clamps (5), displacement sensors (6), scale pans (7), guide pillars (8) and pressure heads (9), wherein the sample frames (3) are composed of bases (3.1), braces (3.2) and support plates (3.3), the support plates (3.3) and the bases (3.1) are arranged up and down, and are connected with each other through the braces (3.2); the stand columns (4) are fixed on the support plates (3.3); the guide pillars (8) penetrate through the support plates (3.3), the top ends of the guide pillars (8) are connected with the scale pans (7), and the bottom ends of the guide pillars are connected with the pressure heads (9). The tester has the advantages of short test period, high test efficiency and low cost.
Description
Technical field
The present invention relates to a kind of compression creep test instrument, mainly apply to test samples at certain load (50N or 100N), protect under uniform temperature (70 DEG C or 80 DEG C) and carry sample pressurized Direction distortion amount after 7 days or 48 hours.Be particularly useful for the compression creep test of RPUF.
Background technology
The compression creep test of existing RPUF carries out detecting with the electronic tensile machine with environmental test chamber, detects have following problem according to existing instrument:
1, sense cycle is long, this testing requirements three Duplicate Samples, and puller system once can only make a sample, if tested with puller system, the shortest sense cycle takes 27 days; If adopt multiple puller system to test, certainly will cost be increased, and when heating, be difficult to the consistance of guarantee three specimen temperatures.
2, testing requirements load is 50N or 100N, carries out test and has data wander phenomenon, can not ensure the stability of data with puller system.
3, be with the puller system cost of environmental test chamber high, and chilled water will be used in process of the test always, complex operation, take up room large.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, the compression creep test instrument that a kind of test period is short, test efficiency is high, cost is low is provided.
The object of the present invention is achieved like this: a kind of compression creep test instrument, and it is formed primarily of high-temperature cabinet and three compression creep test devices;
Described compression creep test device comprises specimen mounting, column, clip, displacement transducer, scale pan, guide pillar and pressure head;
Described specimen mounting is made up of base, pillar and back up pad, described back up pad and base setting up and down, connect with pillar therebetween;
Described column is fixing on the supporting plate, and described guide pillar is through back up pad, and top is connected with scale pan, and bottom is connected with pressure head;
Institute's displacement sensors is positioned at above scale pan, and is fixed on column by clip;
Described compression creep test device is arranged on high-temperature cabinet top, and the base of its specimen mounting and pillar are placed in the inner chamber of high-temperature cabinet.
Described back up pad is also provided with carry arm seat and handsetting block base, described carry arm one end and carry arm seat hinged, the other end is arranged at below scale pan;
Described handsetting block base is hinged with shifting block, and described shifting block is positioned at below in the middle part of described carry arm, and described shifting block is connected with driving lever.
Described back up pad is also provided with handle.Described handle is preferably two.
The pillar of described specimen mounting is four, lays respectively at the corner of specimen mounting.
Compared with prior art, the invention has the beneficial effects as follows:
Stable pressure is provided to act on sample by counterweight, the compression creep situation of Accurate Determining sample under official hour and temperature.Structure of the present invention is ingenious, improves test efficiency, reduces the data fluctuations of process of the test, can by the data situation in computer Real Time Observation process of the test, and use manpower and material resources sparingly cost.
Accompanying drawing explanation
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 8, 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, back up pad 3.3, handle 3.4.
Embodiment
See Fig. 1, a kind of compression creep test instrument that the present invention relates to, it is formed primarily of high-temperature cabinet 1 and three compression creep test devices 2.
Described compression creep test device 2 forms primarily of specimen mounting 3, column 4, clip 5, displacement transducer 6, scale pan 7, guide pillar 8, pressure head 9, carry arm 10, carry arm seat 11, shifting block 12 and driving lever 13.
Described specimen mounting 3 is made up of base 3.1, pillar 3.2 and back up pad 3.3, described back up pad 3.3 and base 3.1 setting up and down, connect with pillar 3.2 therebetween.
Described back up pad 3.3 is provided with column 4, and described guide pillar 8 is through back up pad 3.3, and top is connected with scale pan 7, and bottom is connected with pressure head 9;
Institute's displacement sensors 6 is positioned at above scale pan 7, and is fixed on column 4 by clip 5;
Described carry arm 10 one end and carry arm seat 11 hinged, carry arm seat 11 is fixed in back up pad 3.3;
Described carry arm 10 other end is arranged at below scale pan 7;
In the middle part of described carry arm 10, below arranges shifting block 12, and shifting block 12 is hinged on handsetting block base, and shifting block fixes in back up pad 3.3, and described shifting block 12 is connected with driving lever 13.
Shifting block 12 can be driven by operation driving lever 13, make the carrying out of carry arm 10 lift or put down action, thus realize sending out lifting or decline troublesome.
Described compression creep test device 2 is arranged on high-temperature cabinet 1 top by installing plate, and base 3.1 and the pillar 3.2 of its specimen mounting 3 are arranged in the inner chamber of high-temperature cabinet 1.
The conveniently Installation and Debugging of compression creep test device 2, described back up pad 3.3 is also provided with handle 3.4.Described handle 3.4 preferably two.
The pillar 3.2 of described specimen mounting 3 is preferably four, is positioned at the corner of specimen mounting 3.
This test method first high-temperature cabinet is heated to predetermined temperature, keeps constant temperature, then put into sample 15, add corresponding counterweight 14, protects to carry and within 48 hours or 7 days, observe corresponding deformation time curve map afterwards.
Claims (5)
1. a compression creep test instrument, is characterized in that: it is formed primarily of high-temperature cabinet (1) and three compression creep test devices (2);
Described compression creep test device (2) comprises specimen mounting (3), column (4), clip (5), displacement transducer (6), scale pan (7), guide pillar (8) and pressure head (9);
Described specimen mounting (3) is made up of base (3.1), pillar (3.2) and back up pad (3.3), described back up pad (3.3) and base (3.1) setting up and down, connect with pillar (3.2) therebetween;
Described column (4) is fixed in back up pad (3.3), and described guide pillar (8) is through back up pad (3.3), and top is connected with scale pan (7), and bottom is connected with pressure head (9);
Institute's displacement sensors (6) is positioned at scale pan (7) top, and is fixed on column (4) by clip (5);
Described compression creep test device (2) is arranged on high-temperature cabinet (1) top by installing plate, and the base (3.1) of its specimen mounting (3) and pillar (3.2) are placed in the inner chamber of high-temperature cabinet (1).
2. a kind of compression creep test instrument according to claim 1, it is characterized in that: described back up pad (3.3) is also provided with carry arm seat (11) and handsetting block base, described carry arm (10) one end and carry arm seat (11) hinged, the other end be arranged at scale pan (7) below;
Described handsetting block base is hinged with shifting block (12), described shifting block (12) is positioned at below, described carry arm (10) middle part, and described shifting block (12) is connected with driving lever (13).
3. a kind of compression creep test instrument according to claim 1 and 2, is characterized in that: described back up pad (3.3) is also provided with handle (3.4).
4. a kind of compression creep test instrument according to claim 3, is characterized in that: described handle (3.4) has two.
5. a kind of compression creep test instrument according to claim 1 and 2, is characterized in that: the pillar (3.2) of described specimen mounting (3) is four, is positioned at the corner of specimen mounting (3).
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104237030A true CN104237030A (en) | 2014-12-24 |
| CN104237030B CN104237030B (en) | 2017-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410457890.9A Active CN104237030B (en) | 2014-09-10 | 2014-09-10 | Compression creep test instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN104237030B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674932A (en) * | 2016-03-01 | 2016-06-15 | 青岛科技大学 | Thickness and compression creep tester for plastic foam for packaging |
| CN105738223A (en) * | 2016-02-23 | 2016-07-06 | 武汉工程大学 | Experiment device and testing method of uniaxial BREE solution |
| 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 |
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| CN102519803A (en) * | 2011-12-30 | 2012-06-27 | 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 |
| CN103926159A (en) * | 2014-04-14 | 2014-07-16 | 北京工业大学 | Device for testing creep property of micro solder joint and using method thereof |
| 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 |
| 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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2014
- 2014-09-10 CN CN201410457890.9A patent/CN104237030B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519803A (en) * | 2011-12-30 | 2012-06-27 | 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 |
| CN103926159A (en) * | 2014-04-14 | 2014-07-16 | 北京工业大学 | Device for testing creep property of micro solder joint and using method thereof |
| CN204086041U (en) * | 2014-09-10 | 2015-01-07 | 江阴市产品质量监督检验所 | Compression creep test instrument |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738223A (en) * | 2016-02-23 | 2016-07-06 | 武汉工程大学 | Experiment device and testing method of uniaxial BREE solution |
| 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 |
| CN105674932A (en) * | 2016-03-01 | 2016-06-15 | 青岛科技大学 | Thickness and compression creep tester for plastic foam for packaging |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104237030B (en) | 2017-07-14 |
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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. |