CN115575230A - Test device for simultaneously measuring compression permanent deformation and wear resistance of rubber material - Google Patents
Test device for simultaneously measuring compression permanent deformation and wear resistance of rubber material Download PDFInfo
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- CN115575230A CN115575230A CN202211110752.4A CN202211110752A CN115575230A CN 115575230 A CN115575230 A CN 115575230A CN 202211110752 A CN202211110752 A CN 202211110752A CN 115575230 A CN115575230 A CN 115575230A
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- 238000012360 testing method Methods 0.000 title claims abstract description 94
- 230000006835 compression Effects 0.000 title claims abstract description 22
- 238000007906 compression Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 title claims abstract description 18
- 238000005299 abrasion Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 3
- 239000000523 sample Substances 0.000 description 11
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- 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
- G01N3/02—Details
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- 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
- G01N3/02—Details
- G01N3/04—Chucks
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- 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
- G01N3/56—Investigating resistance to wear or abrasion
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- 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 invention discloses a test device for simultaneously measuring the compression permanent deformation and the wear resistance of a rubber material, which relates to the field of test devices and comprises a test base, wherein a power mechanism, a guide rail mechanism, a wear resistance test mechanism and a pressure resistance test mechanism are sequentially arranged above the test base from left to right, the power mechanism is connected with the guide rail mechanism through a connecting rod and drives the wear resistance test mechanism and the pressure resistance test mechanism to horizontally move and rub and compress a sample.
Description
Technical Field
The invention relates to the field of test devices, in particular to a test device for simultaneously measuring compression set and wear resistance of a rubber material.
Background
The rubber material has wide application in the fields of automobiles, airplanes, missiles and the like due to unique high elasticity, excellent fatigue strength, electric insulation and the like, but when the rubber material is subjected to alternating compression force or compression constant force for a certain time, the interior of the rubber material can generate physical and chemical changes, and after the pressure disappears, the rubber can not be recovered to the original state, namely the rubber generates compression permanent deformation, in addition, the rubber usually causes surface damage under the action of friction force to cause the loss of the rubber material, and the wear resistance of the rubber has direct relation to the safety, noise, vibration and the like of the structure; compression set and wearability are two main performance indexes of quality of the rubber material as a measure, and the two indexes must be tested and determined according to rubber performance determination standards (HG/T3012-2011 and GB/T40797-2021), but in the prior art, different indexes need to be determined by two different test instruments, which not only greatly increases the test cost, but also increases the test time, therefore, a test device for simultaneously determining the compression set and the wearability of the rubber material is required to be provided to solve the problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a simultaneously survey test device of rubber materials compression permanent deformation and wearability, includes experimental base, experimental base top has set gradually power unit, guide rail mechanism, wear-resisting test mechanism and withstand voltage test mechanism from left to right, power unit connects guide rail mechanism and drives wear-resisting test mechanism and withstand voltage test mechanism and do horizontal motion and rub and compress the sample through the connecting rod.
Preferably, four foot supports with symmetrical and adjustable structures are arranged below the test base.
Preferably, the power mechanism comprises a first vertical frame arranged on the test base, a motor is arranged on one side of the first vertical frame, a crank wheel is arranged on the other side of the first vertical frame, the motor is connected with the crank wheel through a coupling shaft, one end of a connecting rod is connected to the crank wheel, and the other end of the connecting rod is connected with the guide rail mechanism.
Preferably, the guide rail mechanism comprises a second vertical frame arranged above the test base, two guide rails with the same structure are arranged on the second vertical frame, two sliding blocks with the same structure are arranged on the guide rails, the two sliding blocks are connected to the same vertical plate, one end of the connecting rod is arranged on the vertical plate, the vertical plate is connected with a support plate and a wear-resistant test mechanism, and the support plate is connected with an upper pressure plate of the pressure-resistant test mechanism.
Preferably, the wear-resistant test mechanism comprises a wear-resistant test bed arranged above the test base and a driving assembly arranged on the vertical plate, wherein an infrared sensor is arranged above the wear-resistant test bed and a test pattern is placed on the infrared sensor; the driving assembly comprises a support installed on the vertical plate and a first bearing with a seat, a wedge block is installed below the support, a friction block is installed below the wedge block, the support slides on the vertical plate and is provided with a first lead screw nut, a first hand wheel is installed above the first bearing with the seat and is connected with a first lead screw through a shaft, and a first outer sleeve of the lead screw is connected with the first lead screw nut.
Preferably, the pressure-resistant test mechanism comprises an upper pressure plate connected with the support plate and a lower pressure plate arranged opposite to the upper pressure plate, the lower pressure plate is provided with a test sample and is arranged on the movable support, two sides of the movable support are connected in two guide supports with symmetrical structures in a sliding manner, the guide supports are arranged on the test base, the lower end of the movable support is provided with a second lead screw nut, the second lead screw nut is sleeved with a second lead screw, two ends of the second lead screw are both rotated in a second bearing with a base, and the second bearing with the base on the outer side is connected with a second hand wheel.
The invention has the beneficial effects that: the invention provides a test device capable of simultaneously carrying out rubber compression set measurement and wear resistance measurement, which is simple to operate, greatly reduces the test cost, and can be applied to the performance measurement of other rubber soft materials.
Drawings
Fig. 1 and 2 are schematic structural diagrams of the present invention at different angles.
Fig. 3 is a schematic structural diagram of the driving assembly of the present invention.
Fig. 4 is a schematic structural view of the uninstalled bracket in fig. 3.
The device comprises a test base 1, a power mechanism 2, a guide rail mechanism 3, a wear-resistant test mechanism 4, a pressure-resistant test mechanism 5, a connecting rod 6, a foot support 0, a stand I7, a motor 8, a crank wheel 9, a stand II 10, a guide rail 11, a slide block 12, a vertical plate 13, a support plate 14, an upper pressure plate 15, a wear-resistant test table 16, a driving assembly 17, an infrared sensor 18, a support 19, a bearing I with a seat 20, a wedge block 21, a friction block 22, a screw nut I23, a hand wheel I24, a screw nut I23, an upper pressure plate 15, a lower pressure plate 25, a movable support 26, a guide support 27, a screw nut II 28, a screw nut II 29, a screw II 30, a bearing II with a seat 31, a hand wheel II and a screw I32.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the test device for simultaneously measuring the compression set and the wear resistance of the rubber material comprises a test base 1, wherein a power mechanism 2, a guide rail mechanism 3, a wear resistance test mechanism 4 and a pressure resistance test mechanism 5 are sequentially arranged above the test base 1 from left to right, and the power mechanism 2 is connected with the guide rail mechanism 3 through a connecting rod 6 and drives the wear resistance test mechanism 4 and the pressure resistance test mechanism 5 to horizontally move and rub and compress a sample.
In this embodiment, four adjustable foot supports 0 with symmetrical structures are arranged below the test base 1.
In this embodiment, the power mechanism 2 includes a first stand 7 installed on the test base 1, a motor 8 is installed on one side of the first stand 7, a crank wheel 9 is installed on the other side of the first stand, the motor 8 is connected with the crank wheel 9 through a coupling shaft, one end of a connecting rod 6 is connected to the crank wheel 9, and the other end of the connecting rod 6 is connected with the guide rail mechanism 3.
In this embodiment, the guide rail mechanism 3 includes a second vertical frame 10 installed above the test base 1, two guide rails 11 with the same structure are installed on the second vertical frame 10, two sliders 12 with the same structure are installed on the guide rails 11, the two sliders 12 are connected to the same vertical plate 13, one end of the connecting rod 6 is installed on the vertical plate 13, the vertical plate 13 is connected with a support plate 14 and the wear-resistant test mechanism 4, and the support plate 14 is connected with an upper pressure plate 15 of the pressure-resistant test mechanism 5.
In the embodiment, the wear-resistant testing mechanism 4 comprises a wear-resistant testing table 16 mounted above the testing base 1 and a driving assembly 17 mounted on the vertical plate 13, wherein an infrared sensor 18 is mounted above the wear-resistant testing table 16 and a testing pattern is placed on the infrared sensor; the infrared sensor 18 counts the number of rubs.
The driving assembly 17 comprises a support 19 and a first bearing with a seat 20, the support 19 is provided with a wedge block 21 below the support 19, a friction block 22 is arranged below the wedge block 21, the support 19 slides on the vertical plate 13 and is provided with a first screw nut 23, a first hand wheel 24 is arranged above the first bearing with a seat 20 and is connected with a first screw rod 32 through a shaft, and the first screw rod 32 is sleeved outside the first screw rod 23. A digital position indicator may be mounted between the first hand wheel 24 and the first belt bearing 20 to accurately indicate the feed of the first lead screw 32.
In this embodiment, the pressure resistance test mechanism 5 includes an upper press plate 15 connected with the support plate 14, a lower press plate 25 arranged opposite to the upper press plate 15, the test sample is installed on the lower press plate 25 and the lower press plate 25 is installed on a movable support 26, two sides of the movable support 26 are slidably connected in two guide supports 27 with symmetrical structures, the guide supports 27 are installed on the test base 1, a second lead screw nut 28 is installed at the lower end of the movable support 26, a second lead screw 29 is sleeved in the second lead screw nut 28, two ends of the second lead screw 29 are both rotated in a second seated bearing 30, and a second hand wheel 31 is connected to the second seated bearing 30 shaft on the outer side. And a digital position indicator can be arranged between the second hand wheel 31 and the second bearing with a seat 30 and used for accurately displaying the feeding amount of the second lead screw 29.
The method comprises the following steps:
step one, debugging the positions of parts: firstly, rotating a first hand wheel 24 to drive a first lead screw 32 to rotate, so that the support 19 drives the wedge block 21 and the friction block 22 to move, the distance between the friction block 22 and the wear-resistant test bed 16 is adjusted, and the friction block 22 can contact with a test sample of the wear-resistant test bed 16 when the device is started; then, the second hand wheel 31 is rotated to drive the second screw rod 29 to rotate, so that the second screw rod nut 28 is driven to drive the moving bracket 26 to do linear motion along the two guide brackets 27, the distance between the lower pressing plate 25 and the upper pressing plate 15 is adjusted, and the upper pressing plate 15 can be pressed on a measured sample on the lower pressing plate 25 according to the specified test compression ratio when the slide block 13 reaches the rightmost end of the guide rail 14;
step two, debugging the motor 8: the rotating speed of the motor 8 is adjusted according to the compression frequency specified by the test;
step three, starting the test: starting the motor 8 to drive the crank wheel 9 to rotate, so that the connecting rod 6 drives the vertical plate 13 and the sliding block 12 to reciprocate along the guide rail 11, and the friction samples reciprocating by the friction block 22 of the wear-resistant testing mechanism 4 are subjected to laser blocking when the friction block 22 passes through the front of the probe of the infrared sensor 18, and at the moment, counting one number; the supporting plate 14 drives the upper pressing plate 15 to reciprocate, and the upper pressing plate 15 compresses the sample of the lower pressing plate 25 according to the frequency;
step four: calculating whether the compression set and the wear resistance meet the standard: the height H1 of the sample on the lower platen 25 after the test is measured, and the height of the sample before the test is recorded as H 0 Then compression set
Measuring the weight m of the sample on the wear-resistant test bed 16 after the test 1 And the weight before the test is recorded as m 0 Abrasion resistance index-loss of mass per unit distance
s is the total distance of the test wear, and the measured specimen length is multiplied by the number of rubs recorded by the infrared sensor 18.
It will be appreciated by those skilled in the art that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or are equivalent to the scope of the invention are intended to be embraced therein.
Claims (6)
1. The utility model provides a survey test device of rubber materials compression permanent deformation and wearability simultaneously, its characterized in that, includes experimental base (1), experimental base (1) top has set gradually power unit (2), guide rail mechanism (3), wear-resisting test mechanism (4) and withstand voltage test mechanism (5) from left to right, power unit (2) are connected guide rail mechanism (3) and are driven wear-resisting test mechanism (4) and withstand voltage test mechanism (5) and are made horizontal motion and rub and compress the sample through connecting rod (6).
2. The test device for simultaneously measuring the compression set and the abrasion resistance of a rubber material according to claim 1, wherein: four foot supports (0) with symmetrical and adjustable structures are arranged below the test base (1).
3. The test device for simultaneously measuring the compression set and the abrasion resistance of a rubber material according to claim 1, wherein: power unit (2) is including installing in grudging post (7) of experimental base (1), motor (8) are installed to grudging post (7) one side, and crank wheel (9) are installed to the opposite side, just motor (8) are connected through the shaft coupling axle crank wheel (9), the one end of connecting rod (6) is connected on crank wheel (9), guide rail mechanism (3) are connected to the other end of connecting rod (6).
4. The test device for simultaneously measuring the compression set and the abrasion resistance of a rubber material according to claim 1, wherein: the guide rail mechanism (3) comprises a second vertical frame (10) arranged above the test base (1), two guide rails (11) with the same structure are arranged on the second vertical frame (10), two sliders (12) with the same structure are arranged on the guide rails (11), the two sliders (12) are connected onto the same vertical plate (13), one end of the connecting rod (6) is arranged on the vertical plate (13), the vertical plate (13) is connected with a support plate (14) and a wear-resistant test mechanism (4), and the support plate (14) is connected with an upper pressure plate (15) of a pressure-resistant test mechanism (5).
5. The test device for simultaneously measuring the compression set and the abrasion resistance of a rubber material according to claim 4, wherein: the wear-resistant testing mechanism (4) comprises a wear-resistant testing table (16) arranged above the testing base (1) and a driving assembly (17) arranged on the vertical plate (13), wherein an infrared sensor (18) is arranged above the wear-resistant testing table (16) and a testing pattern is placed on the infrared sensor; drive assembly (17) including installing support (19) on riser (13) and take seat bearing one (20), support (19) below installation wedge (21), wedge (21) below installation clutch blocks (22), support (19) slide on riser (13) and install screw nut one (23), take seat bearing one (20) top installation hand wheel one (24) and axle connection screw nut (32), screw nut one (23) is cup jointed outward.
6. The test device for simultaneously measuring the compression set and the abrasion resistance of a rubber material according to claim 4, wherein: withstand voltage test mechanism (5) include top board (15) be connected with backup pad (14), hold-down plate (25) that set up relatively with top board (15), install the test sample on hold-down plate (25) just hold-down plate (25) are installed on removal support (26), remove support (26) both sides sliding connection in guide bracket (27) of two structural symmetries, guide bracket (27) are installed on experimental base (1), remove support (26) lower extreme and install screw nut two (28), cup joint lead screw two (29) in screw nut two (28), lead screw two (29) both ends all rotate in area seat bearing two (30), wherein area seat bearing two (30) hub connection hand wheel two (31) in the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211110752.4A CN115575230A (en) | 2022-09-13 | 2022-09-13 | Test device for simultaneously measuring compression permanent deformation and wear resistance of rubber material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211110752.4A CN115575230A (en) | 2022-09-13 | 2022-09-13 | Test device for simultaneously measuring compression permanent deformation and wear resistance of rubber material |
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| Publication Number | Publication Date |
|---|---|
| CN115575230A true CN115575230A (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211110752.4A Pending CN115575230A (en) | 2022-09-13 | 2022-09-13 | Test device for simultaneously measuring compression permanent deformation and wear resistance of rubber material |
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| CN (1) | CN115575230A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116448604A (en) * | 2023-06-14 | 2023-07-18 | 常州坚正橡塑制品有限公司 | Shock attenuation top is glued wear test device |
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2022
- 2022-09-13 CN CN202211110752.4A patent/CN115575230A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116448604A (en) * | 2023-06-14 | 2023-07-18 | 常州坚正橡塑制品有限公司 | Shock attenuation top is glued wear test device |
| CN116448604B (en) * | 2023-06-14 | 2023-08-29 | 常州坚正橡塑制品有限公司 | Shock attenuation top is glued wear test device |
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