CN204422314U - A kind of measurement mechanism of many samples compression set - Google Patents
A kind of measurement mechanism of many samples compression set Download PDFInfo
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- CN204422314U CN204422314U CN201420837753.3U CN201420837753U CN204422314U CN 204422314 U CN204422314 U CN 204422314U CN 201420837753 U CN201420837753 U CN 201420837753U CN 204422314 U CN204422314 U CN 204422314U
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- compressive plate
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- 230000006835 compression Effects 0.000 title claims abstract description 53
- 238000007906 compression Methods 0.000 title claims abstract description 53
- 238000005259 measurement Methods 0.000 title claims abstract description 23
- 239000000314 lubricant Substances 0.000 claims description 8
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 5
- 229920002545 silicone oil Polymers 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 16
- 229920001971 elastomer Polymers 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a kind of measurement mechanism of many samples compression set, comprise compressive plate (4), adjustment height limiter one (1), middle compressive plate (5), adjustment height limiter two (6), lower compressive plate (8), described upper compressive plate (4), middle compressive plate (5), lower compressive plate (8) sets gradually from top to bottom, and adjustment height limiter one (1) is set between upper compressive plate (4) and middle compressive plate (5), adjustment height limiter two (6) is set between middle compressive plate (5) and lower compressive plate (8), multiple sample to be measured is placed on compressive plate (4) and middle compressive plate (5) respectively, or between middle compressive plate (5) and lower compressive plate (8).Compared with prior art, the utility model has that frock is simple, easy to operate, cost is low, measure the advantages such as accurate.
Description
Technical field
The utility model relates to a kind of measurement of permanent strain of rubber, especially relates to a kind of measurement mechanism of many samples compression set.
Background technology
Compression set is one of important performance indexes of rubber elastomeric material, some rubber uses under compression, compression resistant performance is the important performance affecting product quality and life-span, and rubber compression resistant performance is generally weighed with compression set.Current rubber compression set is generally tested according to ISO 815 standard and GB-T 7759 standard.
In the exploitation and quality inspection of rubber, usually need to detect multiple different rubbery sample, existing compression set measurement mechanism is tested at every turn and can only be measured 3 parallel samples, as tested multiple different sample, needs multiple measurement mechanism.And the compression set of some rubbery sample needs to place the long period in baking oven (168h, 504h etc.), as used multiple measurement mechanism, can take more baking oven resource.
ISO 815 and GB-T 7759 measurement mechanism can only detect the sample of calibrated altitude, as detected the sample of non-standard height, need the limiter of differing heights.In rubber exploitation and quality check process, often need the test non-standard height samples being carried out to compression set, and different non-standard samples height exists a wide range of difference, need the limiter of a large amount of differing heights to combine, cause test inconvenience.
Summary of the invention
The purpose of this utility model is exactly provide measurement mechanism and the method for the compression set of a kind of many samples accurately and conveniently to overcome defect that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions: a kind of measurement mechanism of many samples compression set, it is characterized in that, comprise compressive plate, adjustment height limiter one, middle compressive plate, adjustment height limiter two, lower compressive plate, described upper compressive plate, middle compressive plate, lower compressive plate sets gradually from top to bottom, and adjustment height limiter one is set between upper compressive plate and middle compressive plate, between middle compressive plate and lower compressive plate, adjustment height limiter two is set, multiple sample to be measured is placed on compressive plate and middle compressive plate respectively, or between middle compressive plate and lower compressive plate.
Be provided with screw in the middle of described lower compressive plate, screw in described screw bottom described adjustment height limiter two, the height in being regulated by adjustment height limiter two between compressive plate and lower compressive plate reaches compression height.
Described middle compressive plate is provided with three screws, and described adjustment height limiter one has three, and screw in three screws respectively, the height in adjustment between compressive plate and middle compressive plate reaches compression height.
Fixed by bolt and nut component between described upper compressive plate, middle compressive plate, lower compressive plate.
Described bolt and nut component is provided with three, distributes, make the stable connection between compressive plate, middle compressive plate, lower compressive plate firm in triangular shape.
Described upper compressive plate, middle compressive plate, lower compressive plate surface scribble one deck lubricant; Described lubricant comprises talcum powder, methyl-silicone oil.
Adopt described measurement mechanism to a measuring method for multiple sample compression set, it is characterized in that, the method comprises the following steps:
(1) prepare two kinds of samples to be tested, be respectively A sample and B sample, each sample carries out the test of 3 Duplicate Samples, the test of totally 6 samples;
(2) height of A sample is measured, per sample height and compressibility determination compression height; Compressibility generally can be determined according to the record in ISO 815 standard or GB-T 7759 standard;
(3) adjustment height limiter two is screwed in the middle screw of lower compressive plate, regulates limiter significant height by rotating adjustment height limiter two, reaching the compression height that step (2) is determined; 3 A samples are put into lower compressive plate, covers middle compressive plate;
(4) height of B sample is measured, per sample height and compressibility determination compression height; Compressibility is determined
(5) three adjustment height limiters one being screwed in three screws of middle compressive plate, by rotating adjustment height limiter one significant height, reaching the compression height that step (4) is determined; 3 B samples are put into compressive plate, covers compressive plate;
(6) tight a bolt nut assembly, fixes three compressive plates and compress A sample and B sample;
(7) device step being equipped with sample puts into the temperature of testing requirements, starts timing, after reaching the stipulated time, unclamps bolt and nut component, take out each sample, places, cools under free state, then measures the height after recovering with thickness gauge; Here time and temperature can be selected according to the record in ISO 815 standard or GB-T 7759 standard, or determine according to the requirement of sample user to be tested;
(8) during resistant to liquid experiment, the device that sample is housed is put into liquid, after reaching the stipulated time, take out sample, measure the height after sample recovery;
(9) compression set c (%) is calculated as follows:
In formula: h
0the former height of-sample, mm;
H
1height after-sample recovers, mm;
The height of hs-limiter, mm.
Described sample to be tested is rubber, polyurethane foam material.
Compared with prior art, the utility model has the following advantages:
1, once can testing the compression set of two kinds of various sample, when there being more rubbery sample to need test, with existing proving installation ratio, only needing the proving installation of half.And take baking oven less volume, reduce baking oven and use resource.
2, adopt the limiter of adjustment height, can regulate arbitrarily sample compression height, adjustable limiter significant height is obtained by dial gauge measurement, and test result is accurate.
3, adopt the limiter of adjustment height, can regulate arbitrarily sample compression height, can test the sample of non-standard height.
4, when testing the sample of differing heights, adopting the limiter of adjustment height to regulate, the sample measurement of any compression height can be realized.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device;
In figure, adjustment height limiter 1, A sample 2, B sample 3, upper compressive plate 4, middle compressive plate 5, adjustment height limiter 26, bolt and nut component 7, lower compressive plate 8.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment 1
As shown in Figure 1, a kind of measurement mechanism of many samples compression set, comprise compressive plate 4, adjustment height limiter 1, middle compressive plate 5, adjustment height limiter 26, lower compressive plate 8, described upper compressive plate 4, middle compressive plate 5, lower compressive plate 8 sets gradually from top to bottom, and adjustment height limiter 1 is set between upper compressive plate 4 and middle compressive plate 5, between middle compressive plate 5 and lower compressive plate 8, adjustment height limiter 26 is set, multiple sample to be measured is placed on compressive plate 4 and middle compressive plate 5 respectively, or between middle compressive plate 5 and lower compressive plate 8.
Be provided with screw in the middle of described lower compressive plate 8, screw in described screw bottom described adjustment height limiter 26, the height in being regulated by adjustment height limiter 26 between compressive plate 5 and lower compressive plate 8 reaches compression height.
Described middle compressive plate 5 is provided with three screws, and described adjustment height limiter 1 has three, and screw in three screws respectively, the height in adjustment between compressive plate 4 and middle compressive plate 5 reaches compression height.
Fixed by bolt and nut component 7 between described upper compressive plate 4, middle compressive plate 5, lower compressive plate 8, described bolt and nut component 7 is provided with three, distributes, make the stable connection between compressive plate 4, middle compressive plate 5, lower compressive plate 8 firm in triangular shape.
Described upper compressive plate 4, middle compressive plate 5, lower compressive plate 8 surface scribble one deck lubricant; Described lubricant comprises talcum powder, methyl-silicone oil.
Adopt above-mentioned measurement mechanism to a measuring method for multiple sample compression set, the method comprises the following steps:
(1) prepare two kinds of rubbery samples to be tested, be respectively A sample and B sample, each sample carries out the test of 3 Duplicate Samples, the test of totally 6 samples;
(2) thickness of A rubber sample is non-standard thickness, with thickness gauge test sample elemental height, obtains sample elemental height h
a06.20mm.Calculating compression height according to compressibility 25% is 1.55mm, regulates limiter one to be highly hAs4.65mm; Height and compressibility determination compression height per sample;
(3) adjustment height limiter 26 is screwed in the middle screw of lower compressive plate 8, regulates limiter significant height by rotating adjustment height limiter 26, reaching the compression height 1.55mm that step 2 is determined; Be coated with one deck lubricant (talcum powder, methyl-silicone oil) on lower compressive plate 8, middle compressive plate 5 surface, make the not glutinous fixture of sample; 3 A samples are put into lower compressive plate 8, covers middle compressive plate 5;
(4) thickness of B rubber sample is non-standard thickness, with thickness gauge test sample elemental height, obtains sample elemental height hB08.67mm; Calculating compression height according to compressibility 25% is 2.17mm, regulates 3 limiters two to be highly hBs6.50mm;
(5) three adjustment height limiters 1 are screwed in three screws of middle compressive plate 5, by rotating adjustment height limiter 1 significant height, reach the compression height that step (4) is determined, be coated with one deck lubricant (talcum powder, methyl-silicone oil) on upper compressive plate 4 surface; 3 B samples are put into compressive plate 5, covers compressive plate 4;
(6) tight a bolt nut assembly 7, fixes three compressive plates and compress A sample 2 and B sample 3;
(7) device step (6) being equipped with sample is put in the baking oven of 150 DEG C, after continuing 168h, start timing, after reaching the stipulated time, unclamp bolt and nut component 7, take out each sample, under free state, place 30min, cooling, then the height hA15.83mm after recovering, hB17.99mm is measured with thickness gauge;
(8) compression set c (%) is calculated as follows:
In formula: h
0the former height of-sample, mm;
H
1height after-sample recovers, mm;
The height of hs-limiter, mm.
The compression set of A sample:
The compression set of B sample:
Embodiment 2
Proving installation is identical with embodiment 1.
Adopt described measurement mechanism to a measuring method for multiple sample compression set, the method comprises the following steps:
(1) prepare two kinds of polyurethane foam material samples to be tested, be respectively A sample and B sample, each sample carries out the test of 3 Duplicate Samples, the test of totally 6 samples;
(2) height of A sample is measured, per sample height and compressibility determination compression height;
(3) adjustment height limiter two is screwed in the middle screw of lower compressive plate, regulates limiter significant height by rotating adjustment height limiter two, reaching the compression height that step (2) is determined; 3 A samples are put into lower compressive plate, covers middle compressive plate;
(4) height of B sample is measured, per sample height and compressibility determination compression height; Compressibility is determined
(5) three adjustment height limiters one being screwed in three screws of middle compressive plate, by rotating adjustment height limiter one significant height, reaching the compression height that step (4) is determined; 3 B samples are put into compressive plate, covers compressive plate;
(6) tight a bolt nut assembly, fixes three compressive plates and compress A sample and B sample;
(7) during resistant to liquid experiment, the device that sample is housed is put into liquid, after reaching the stipulated time, take out sample, measure the height after sample recovery;
(8) compression set c (%) is calculated as follows:
In formula: h
0the former height of-sample, mm;
H
1height after-sample recovers, mm;
The height of hs-limiter, mm.
Claims (6)
1. the measurement mechanism of sample compression set more than one kind, it is characterized in that, comprise compressive plate (4), adjustment height limiter one (1), middle compressive plate (5), adjustment height limiter two (6), lower compressive plate (8), described upper compressive plate (4), middle compressive plate (5), lower compressive plate (8) sets gradually from top to bottom, and adjustment height limiter one (1) is set between upper compressive plate (4) and middle compressive plate (5), adjustment height limiter two (6) is set between middle compressive plate (5) and lower compressive plate (8), multiple sample to be measured is placed on compressive plate (4) and middle compressive plate (5) respectively, or between middle compressive plate (5) and lower compressive plate (8).
2. the measurement mechanism of a kind of many samples compression set according to claim 1, it is characterized in that, screw is provided with in the middle of described lower compressive plate (8), described adjustment height limiter two (6) bottom screws in described screw, and the height in being regulated by adjustment height limiter two (6) between compressive plate (5) and lower compressive plate (8) reaches compression height.
3. the measurement mechanism of a kind of many samples compression set according to claim 1, it is characterized in that, described middle compressive plate (5) is provided with three screws, described adjustment height limiter one (1) has three, screw in three screws respectively, the height in adjustment between compressive plate (4) and middle compressive plate (5) reaches compression height.
4. the measurement mechanism of a kind of many samples compression set according to claim 1, it is characterized in that, fixed by bolt and nut component (7) between described upper compressive plate (4), middle compressive plate (5), lower compressive plate (8).
5. the measurement mechanism of a kind of many samples compression set according to claim 4, is characterized in that, described bolt and nut component (7) is provided with three, distributes in triangular shape.
6. the measurement mechanism of a kind of many samples compression set according to claim 1, is characterized in that, described upper compressive plate (4), middle compressive plate (5), lower compressive plate (8) surface scribble one deck lubricant; Described lubricant comprises talcum powder, methyl-silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420837753.3U CN204422314U (en) | 2014-12-22 | 2014-12-22 | A kind of measurement mechanism of many samples compression set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837753.3U CN204422314U (en) | 2014-12-22 | 2014-12-22 | A kind of measurement mechanism of many samples compression set |
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| CN204422314U true CN204422314U (en) | 2015-06-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486577A (en) * | 2016-02-16 | 2016-04-13 | 南京南瑞集团公司 | Compression creep testing device capable of synchronously testing multiple sets of test samples under condition of controlling temperature and humidity |
| CN105784463A (en) * | 2014-12-22 | 2016-07-20 | 曼胡默尔滤清器（上海）有限公司 | Measurement device and method for multi-sample compression set |
| CN107202733A (en) * | 2016-06-30 | 2017-09-26 | 中车青岛四方机车车辆股份有限公司 | Vulcanize rubber compression detection quick release device and application method |
| CN110031326A (en) * | 2019-04-10 | 2019-07-19 | 益阳艾华富贤电子有限公司 | It is a kind of to compress askew test fixture and test method |
| CN110031308A (en) * | 2019-05-07 | 2019-07-19 | 清华大学 | A kind of adjustable rubber compression set utensil of compression height |
-
2014
- 2014-12-22 CN CN201420837753.3U patent/CN204422314U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784463A (en) * | 2014-12-22 | 2016-07-20 | 曼胡默尔滤清器（上海）有限公司 | Measurement device and method for multi-sample compression set |
| CN105486577A (en) * | 2016-02-16 | 2016-04-13 | 南京南瑞集团公司 | Compression creep testing device capable of synchronously testing multiple sets of test samples under condition of controlling temperature and humidity |
| CN105486577B (en) * | 2016-02-16 | 2018-06-15 | 南京南瑞集团公司 | The multigroup sample compression creep test device of synchronism detection under a kind of control temperature and humidity condition |
| CN107202733A (en) * | 2016-06-30 | 2017-09-26 | 中车青岛四方机车车辆股份有限公司 | Vulcanize rubber compression detection quick release device and application method |
| CN107202733B (en) * | 2016-06-30 | 2023-11-21 | 中车青岛四方机车车辆股份有限公司 | Vulcanized rubber compression deformation detection quick release device and use method |
| CN110031326A (en) * | 2019-04-10 | 2019-07-19 | 益阳艾华富贤电子有限公司 | It is a kind of to compress askew test fixture and test method |
| CN110031308A (en) * | 2019-05-07 | 2019-07-19 | 清华大学 | A kind of adjustable rubber compression set utensil of compression height |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20171222 |