CN209541837U - A kind of rubber volume measure of the change device based on magnetic levitation - Google Patents
A kind of rubber volume measure of the change device based on magnetic levitation Download PDFInfo
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- CN209541837U CN209541837U CN201821783763.8U CN201821783763U CN209541837U CN 209541837 U CN209541837 U CN 209541837U CN 201821783763 U CN201821783763 U CN 201821783763U CN 209541837 U CN209541837 U CN 209541837U
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Abstract
The utility model discloses a kind of rubber volume measure of the change device based on magnetic levitation, including electronic balance (1), weighing tray (3) are provided on the electronic balance (1), control panel (2) are additionally provided on electronic balance (1), magnetic suspended basement (5) are provided on the weighing tray (3) of the electronic balance (1), it is additionally provided with solution on electronic balance (1) and contains frame (6), solution contains and is provided with solution tank (7) on frame (6), solution is loaded in solution tank (7), magnetic suspension float (9) are placed in solution tank (7), sample table (10) are provided on magnetic suspension float (9).The utility model has the advantages that easy to operate, measurement is accurate.
Description
Technical field
The utility model relates to volume measurement device field, especially a kind of rubber volume based on magnetic levitation, which changes, to be surveyed
Measure device.
Background technique
Rubber product is widely used in modern industry, wherein many products are made in the case where being in contact with various media
With.With the development of science and technology with progress, requirement of the modern industry to rubber accessory is higher and higher, not only requires resistance to high and low
Temperature, and need resistance to various strong corrosive medias and synthetic ester lubricant etc..Usually there are two types of forms for effect of the medium to rubber:
One is media to be absorbed by rubber；Another kind is that soluble constituent is extracted from rubber.Quality is generallyd use in production practice
Rubber medium-resistance is characterized with volume change.Wherein, the volume change of rubber is that test rubber soaks in test(ing) liquid
The variation of bubble front and back volume, generallys use drainage measurement.Specific test process is first surveyed every under standard laboratory temperature
A aerial mass M 0 of sample, mass M 1 of the re-test sample in distilled water.Then by the immersion temperature of technical conditions requirement
Degree, time and liquid category impregnate sample, complete to survey the aerial mass M 2 of each sample and examination after impregnating again
Mass M 3 of the sample in distilled water.By formula △ V=(﹣ 1) × 100% can be obtained rubber the technical conditions regulation under test
The volume change of front and back.Measuring device used in the prior art is to measure examination based on the balance for meeting measurement accuracy requirement
After the aerial quality of sample, sample carries out the measurement of the quality in distilled water using following apparatus.The device includes a Sheng
The container of water, the container are supported on outside balance weighing pan by stabilizer blade, and the solid for being connected with hanging barrier is placed on balance weighing pan
Plate, the plate are not contacted in bending and can guarantee with generation container.The hanging barrier being connected on solid plate protrudes into
It is contacted in distilled water and not with container.When measurement, above-mentioned apparatus is placed on balance, guarantees still distilling after sample is put into hanging barrier
Below water level.Balance is reset, sample is placed into upper hanging barrier, that is, completes the measurement of sample quality in distilled water.The prior art
Mass measurement of the rubbery sample in distilled water can be completed, but shortcoming is the matter in order to measure sample in distilled water
Amount, this method must use a hanging barrier being placed in distilled water to hold sample, this necessarily causes in hanging barrier line in distilled water
The buoyancy of generation causes error to measurement result, eventually lead to measurement it is unstable, data are inaccurate.Also, due to above-mentioned apparatus
Structure is more complex, and operation when placing sample is also cumbersome.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of rubber volume based on magnetic levitation
Measure of the change device.
The purpose of this utility model is achieved through the following technical solutions: a kind of rubber volume variation using magnetic levitation
Measuring device, including electronic balance are provided with weighing tray on electronic balance, control panel, institute are additionally provided on electronic balance
It is provided with magnetic suspended basement on the electronic balance weighing tray stated, solution is additionally provided on electronic balance and contains frame, solution contains
It is provided with solution tank on frame, solution is loaded in solution tank, magnetic suspension float is placed in solution, is provided on magnetic suspension float
Sample table.
Specifically, magnetic shield panel is provided between the magnetic suspended basement and weighing tray.
Specifically, the surrounding of the magnetic suspension float is provided with power-assisted plate.
Specifically, the device further includes float positioning auxiliary plate, and float positioning auxiliary plate is arranged in solution tank, is floated
The bottom setting of sub- positioning auxiliary plate is fluted, and testing stand is embedded in the groove of float positioning auxiliary plate, float positioning auxiliary plate
Top be provided with suction iron block.
Specifically, handle is additionally provided on the float positioning auxiliary plate.
The utility model has the advantage that (1) is easy to operate, and traditional rubber volume change rate measuring device is equipped with
One container being filled with water, the container are supported on outside balance weighing pan by stabilizer blade, are placed one on balance weighing pan and are connected with hanging barrier
Solid plate, the plate do not contact in bending and can guarantee with generation container.It is described to be connected to hanging on solid plate
Column protrudes into be contacted in distilled water and not with container.When carrying out sample testing, need to clamp sample from bending plate with tweezers
Top and water container between the gap that is formed sample is put into hanging barrier, it is cumbersome.Using provided by the utility model
Device carries out the measurement of sample displacement of volume, and sample is placed on sample table 10 and can measure by direct sample tweezers, sample table
10 tops are unobstructed.The advantage becomes apparent from the case where sample is more.
(2) measurement data is accurate, stablizes.Using traditional rubber volume change rate measuring device, due to being steamed in container
The height of distilled water is usually not fixed, and is difficult to calculate in distilled water liquid level hanging barrier moiety by weight below, and which results in places
The buoyancy that hanging barrier part in distilled water generates will cause error to measurement result, so that the rubber measured is in distilled water
Quality is relatively low.Using a kind of magnetic levitation rubber volume change rate measuring device provided by the utility model, testing stand 10 includes
The magnetic suspension float 9 and flaps 8 being positioned below are constantly in liquid level hereinafter, will not as constant M in calculation formula
It changes because of the height of liquid level, eliminates to be located to measure caused by liquid level hanging barrier part below in typical measuring arrangements and miss
Difference.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the usage state diagram of the utility model；
In figure: 1- electronic balance, 2- electronic balance control panel, 3- weighing tray, 4- magnetic shield panel, 5- magnetic suspension bottom
Seat, 6- solution splendid attire frame, 7- solution tank, 8- flaps, 9- magnetic suspension float, 10- sample table, 11- float positioning auxiliary plate,
12- suction iron block, 13- handle, 14- sample, 15- distilled water liquid level.
Specific embodiment
The utility model is further described with reference to the accompanying drawing, but the protection scope of the utility model is not limited to
It is as described below.
As shown in Fig. 1~2, a kind of rubber volume measure of the change device using magnetic levitation, including electronic balance 1, institute
It states and is provided with weighing tray 3 on electronic balance 1, control panel 2, the title of the electronic balance 1 are additionally provided on electronic balance 1
It is provided with magnetic suspended basement 5 on weight pallet 3, solution is additionally provided on electronic balance 1 and contains frame 6, solution contains to be provided on frame 6
Solution tank 7,7 cross sectional shape of solution tank are square, and the square dimensions that its inner wall is formed are matched with float positioning auxiliary plate 11
It closes to assist magnetic suspension float 9 to position, is loaded with solution in solution tank 7, magnetic suspension float 9, the magnetic are placed in solution tank 7
Suspension float 9 is neodium magnet, is provided with sample table 10 on magnetic suspension float 9.
Further, magnetic shield panel 4 is provided between the magnetic suspended basement 5 and weighing tray 3.
Further, the surrounding of the magnetic suspension float 9 is provided with flaps 8, and the effect of the flaps 8 is to prevent
Spontaneous rotation of the magnetic suspension float 9 after stable suspersion.
Further, the device further includes float positioning auxiliary plate 11, and float positioning auxiliary plate 11 is arranged in solution
In slot 7, the bottom setting of float positioning auxiliary plate 11 is fluted, and testing stand 10 is embedded in the groove of float positioning auxiliary plate 11,
The top of float positioning auxiliary plate 11 is provided with suction iron block 12, since magnetic suspension float 9 is the stronger permanent magnet of magnetic force, so
Suction iron block 12 is magnetic material.
Further, handle 13 is additionally provided on the float positioning auxiliary plate 11.
The course of work of the utility model is as follows:
The following steps are included:
S1, electronic balance 1 is connected into power supply and is reset, sample 14 is placed on planar survey sample on weighing tray 3 later
14 aerial mass Ms0；
S2, magnetic suspended basement 5 is connected into power supply, and placed it on the weighing tray 3 of electronic balance 1, solution is contained
Shelve 6 positions of platform being placed on other than the weighing tray 3 of electronic balance 1, and not with weighing tray 3, magnetic shield panel 4 and magnetcisuspension
Floating pedestal 5 contacts；
S3, it is contained in solution tank 7 into distilled water, sample table after 9 stable suspersion of magnetic suspension float is not crossed in height guarantee
10 10~20mm of height；
S4, sample table 10 is caught in the groove of 11 lower part of float positioning auxiliary plate, and the corresponding position on top is put
Suction iron block 12 is to fix sample table 10；
S5, electronic balance 1 is reset, holds handle 13, the entirety of float positioning auxiliary plate 11 and sample table 10 is put into molten
The top of liquid bath 7；
S6, when the certain altitude for being integrally located at 7 top of solution tank of float positioning auxiliary plate 11 and sample table 10, remove
Then suction iron block 12 takes float positioning auxiliary plate 11 away, be connected at this time magnetic suspension float 9 sample table 10 can stablize it is outstanding
It is floating, the whole mass M in distilled water of measurement sample table 10；
S7, electronic balance 1 is reset, sample is put on sample table 10, guarantee sample all not in liquid level hereinafter, measurement
Mass M of the sample in distilled water1；
S8, sample is impregnated by the soaking temperature of technical conditions requirement, time and liquid category, completes to take after impregnating
Sample out repeats the mass M in the air after step S1~S6 measurement sample impregnates2With the mass M in distilled water3；
S9, the data of above-mentioned measurement are brought into formulaRubber can be obtained at this
Technical conditions provide down the volume change of test front and back.
Further,
The formulaDerivation process it is as follows
In formula, △ V is rubber volume change rate, VAfterwardsVolume after being impregnated for liquid, VBeforeVolume before being impregnated for liquid, V
Platform is the total volume of sample table 10, magnetic suspension float 9 and flaps 8, ρWaterThe density of water when to test, g is acceleration of gravity, M0
For the weight before immersion liquid in sample air, M1For the weight before immersion liquid in sample distilled water, M2For immersion liquid
Weight in sample air afterwards, M3For the weight after immersion liquid in sample distilled water, M is sample table 10,9 and of magnetic suspension float
The total quality in distilled water of flaps 8.
The above, the only preferred embodiment of the utility model, not do limit in any form to the utility model
System.Anyone skilled in the art, in the case where not departing from technical solutions of the utility model ambit, all using above-mentioned
The technology contents make many possible changes and modifications to technical solutions of the utility model, or be revised as equivalent variations etc.
Imitate embodiment.Therefore, all contents without departing from technical solutions of the utility model, the technology according to the utility model is to the above reality
Any change modification, equivalent variations and modification that example is made are applied, the protection scope of the technical program is belonged to.
Claims (5)
1. a kind of rubber volume measure of the change device based on magnetic levitation, including electronic balance (1), the electronic balance (1)
On be provided with weighing tray (3), control panel (2) are additionally provided on electronic balance (1), it is characterised in that: the electronics day
It is additionally provided with solution on flat (1) and contains frame (6), is provided with magnetic suspended basement (5) on the weighing tray (3), solution contains frame
(6) it is provided with solution tank (7), is placed with magnetic suspension float (9) in solution tank (7), magnetic suspension float is provided with sample on (9) on
Platform (10).
2. a kind of rubber volume measure of the change device based on magnetic levitation according to claim 1, it is characterised in that: institute
Magnetic shield panel (4) are provided between the magnetic suspended basement (5) stated and weighing tray (3).
3. a kind of rubber volume measure of the change device based on magnetic levitation according to claim 1, it is characterised in that: institute
The surrounding for the magnetic suspension float (9) stated is provided with flaps (8).
4. a kind of rubber volume measure of the change device based on magnetic levitation according to claim 1, it is characterised in that: institute
It states and is equipped with float positioning auxiliary plate (11) in solution tank (7), fluted, sample table is arranged in the bottom of float positioning auxiliary plate (11)
(10) it is embedded in the groove of float positioning auxiliary plate (11), is provided with suction iron block at the top of float positioning auxiliary plate (11)
(12).
5. a kind of rubber volume measure of the change device based on magnetic levitation according to claim 4, it is characterised in that: institute
Handle (13) are additionally provided on the float positioning auxiliary plate (11) stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821783763.8U CN209541837U (en) | 2018-10-31 | 2018-10-31 | A kind of rubber volume measure of the change device based on magnetic levitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821783763.8U CN209541837U (en) | 2018-10-31 | 2018-10-31 | A kind of rubber volume measure of the change device based on magnetic levitation |
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| Publication Number | Publication Date |
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| CN209541837U true CN209541837U (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821783763.8U Active CN209541837U (en) | 2018-10-31 | 2018-10-31 | A kind of rubber volume measure of the change device based on magnetic levitation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374080A (en) * | 2018-10-31 | 2019-02-22 | 中国人民解放军第五七九工厂 | A kind of rubber volume measure of the change device and method based on magnetic levitation |
-
2018
- 2018-10-31 CN CN201821783763.8U patent/CN209541837U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374080A (en) * | 2018-10-31 | 2019-02-22 | 中国人民解放军第五七九工厂 | A kind of rubber volume measure of the change device and method based on magnetic levitation |
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