CN203824858U - Vacuum water absorption test device capable of effectively measuring materials with large expansibility - Google Patents
Vacuum water absorption test device capable of effectively measuring materials with large expansibility Download PDFInfo
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- CN203824858U CN203824858U CN201420219348.5U CN201420219348U CN203824858U CN 203824858 U CN203824858 U CN 203824858U CN 201420219348 U CN201420219348 U CN 201420219348U CN 203824858 U CN203824858 U CN 203824858U
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- vacuum
- dewar
- dewar bottle
- buffer memory
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Abstract
The utility model discloses a vacuum water absorption test device capable of effectively measuring materials with large expansibility. The device comprises two sets of vacuum flasks (6), two sets of caching bottles (17), a wire net (4), a vacuum pump (23), a vibration motor (8) and a timer (11), wherein the two sets of vacuum flasks (6) can accommodate measured materials, and the vacuum flasks (6) are respectively provided with a vacuum flask sealing cover plate (19); the two sets of caching bottles (17) can accommodate backflow water in the vacuum flasks, and the caching bottles (17) are respectively provided with a caching bottle sealing cover plate (18); the wire net (4) can effectively protect the device from avoiding the occurrence of clogging; in the process of operating, due to the vacuum pump (23), a certain pressure can be kept in the vacuum flasks (6); in the process of operating, due to the vibration motor (8), the surface of a measured sample in each vacuum flask (6) with a kept internal certain pressure absorbs water fully; the timer (11) can accurately record the time of keeping the inside of each vacuum flask (6) at a kept stipulated pressure. The vacuum water absorption test device disclosed by the utility model can effectively solve the problems that tested samples emerge from the water in the process of detecting or water in the vacuum flasks easily flows back to a vacuum pump, and the like; the vacuum water absorption test device is simple in structure and easy to operate.
Description
Technical field
The utility model relates to a kind of vacuum dehydration rate proving installation, specifically refers to a kind of vacuum dehydration rate test unit that can effectively measure the larger material of swelling property.In addition, the utility model can be used as asphalt theoretical relative density indicator use.
Background technology
Appearance and enforcement along with country " 12 " plan, energy problem has become the emphasis that each side pays close attention to, meanwhile in building trade field, heat insulating ability is also paid close attention to, the building materialss such as rubber and plastic insulation are more able to widespread use as the pith of building heat preservation, and the vacuum dehydration rate (water-intake rate) of this type of material is as determining one of critical index of heat insulation effect, become one of detection core project of this type of material.Therefore, the detection method of vacuum dehydration rate (water-intake rate) and the research of checkout equipment are had great importance.
Domestic and international test unit/systematic research about vacuum dehydration rate at present, mainly concentrate on the fields such as asphalt or Ceramic Tiles, as CN103528918A < < test method > > who effectively measures asphalt theoretical maximum relative density, but the research for building materials insulation material is less, the larger material of especially corresponding swelling property.At present, the vacuum dehydration rate determinator that the vacuum dehydration rate of this type of material is mainly used the materials such as asphalt detects, but in testing process, exist as sample in testing process, emerge or vacuum tank in the problems such as water easily blows back in vacuum pump, unnecessary duplicate detection number of times is improved, and exist cost to increase and reduce the defect of equipment life.
Summary of the invention
Technical problem to be solved in the utility model is for the deficiencies in the prior art, a kind of vacuum dehydration rate test unit that can effectively measure the larger material of swelling property is provided, and this apparatus structure is simple, easy to operate, reduce unnecessary duplicate detection number of times, the extension device life-span.
For solving the problems of the technologies described above, the utility model has adopted following technical scheme: it is a kind of vacuum dehydration rate test unit that can effectively measure the larger material of swelling property, it comprises at least as lower member: two groups of Dewar bottles that can hold measured material, and Dewar bottle is provided with Dewar bottle seal cover board; Two groups of buffer memory bottles that can hold the moisture content that flows backwards in Dewar bottle, this buffer memory bottle is provided with buffer memory bottle seal cover board; Effectively protective device to avoid the entanglement of obstruction; During work, can make to keep in Dewar bottle the vacuum pump of certain pressure; The vibration motor that can make the sample surface in maintaining the Dewar bottle of certain pressure fully absorb water during work; The timer of time in can accurate recording Dewar bottle under authorised pressure keeps.
Further, in Dewar bottle, being provided with can be by the water-immersed test specimen baffle plate of sample.Test specimen baffle plate is fixed by test specimen baffle plate fastening screw and test specimen baffle plate clamp nut, and is connected on Dewar bottle seal cover board.Dewar bottle and Dewar bottle seal cover board, be equipped with seal between buffer memory bottle and buffer memory bottle seal cover board.Between Dewar bottle, buffer memory bottle and vacuum pump, be provided with dismountable connecting pipe.
Further, between vibration motor and Dewar bottle, be provided with workbench, this workbench can play a buffer action, makes vibration motor vibration amplitude be unlikely to affect Dewar bottle and test specimen baffle plate.
In addition, independent mutually between two groups of Dewar bottles and buffer memory bottle, and can not affect the sample detection in another group bottle while there is pressure leakage in one group of bottle.
Compared with prior art, existence because of test specimen baffle plate of the present utility model and buffer memory bottle, can effectively solve that sample emerges in testing process or vacuum tank in water the problems such as easily blow back in vacuum pump, and apparatus structure of the present utility model is simple, easy to operate, can reduce unnecessary duplicate detection number of times, raise the efficiency, reduce costs, in the extension device life-span, be worthy to be popularized.
accompanying drawing explanation
Fig. 1 is the structural representation sketch of the utility model device;
Figure acceptance of the bid note is respectively: 1-buffer memory bottle exhausr port I, 2-Dewar bottle pore, 3-test specimen baffle plate, 4-entanglement, 5-test specimen baffle plate pore, 6-Dewar bottle, 7-fastening screw, 8-vibration motor, 9-stop button, 10-shake is opened, shake stops button, 11-timer, 12-vacuumizes switch, 13-test specimen baffle plate clamp nut, 14-power switch, 15-test specimen baffle plate fastening screw, 16-buffer memory bottle vent port II, 17-buffer memory bottle, 18-buffer memory bottle seal cover board, 19-Dewar bottle seal cover board, 20-air release, 21-three-way interface, 22-solenoid valve, 23-vacuum pump, 24-vacuum meter, the fastening plate washer of 25-Dewar bottle.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As Fig. 1 shows, the agent structure of this device of the utility model consists of vacuum pump 23, Dewar bottle 6, buffer memory bottle 17 and vibration motor 8.
In the present embodiment, on Dewar bottle 6 and buffer memory bottle 17, be respectively equipped with Dewar bottle seal cover board 19 and buffer memory bottle seal cover board 18, and be provided with O-ring seal so that bottle be combined the good seal cavity of tight formation with seal cover board at interface; Fastening between Dewar bottle 6 and Dewar bottle seal cover board 19 realizes by fastening screw 7 and Dewar bottle fixed dam 25, and the method can be used for fastening between buffer memory bottle 17 and buffer memory bottle seal cover board 18 simultaneously.In addition, Dewar bottle pore 2, buffer memory bottle exhausr port I1 and buffer memory bottle vent port II16 all adopt fast interface pattern, for convenience detachly carry out water filling and draining action.
Vacuum pump 23 is first connected with buffer memory bottle 17, is being connected afterwards, and in the utility model device, is provided with vacuum meter 24 and air release 20 with Dewar bottle 6, to reach to realize respectively, vacuum system is carried out to vacuum tightness demonstration and exhaust step-down processing.In addition, because of the mutual restriction between above-mentioned parts, can be so that maintain certain pressure in Dewar bottle 6, and can utilize timer 11 to carry out dwell time record.
Vibration motor 8 is located at Dewar bottle 6 belows, by setting suitable amplitude, makes to shake flat board and carries out regular vibrations, finally makes the fully water suction of sample surface in the Dewar bottle 6 in certain pressure.And vibration motor 8 is subject to shake to open, shake button 10 controls, can need to control according to detecting.
In Dewar bottle 6, have test specimen baffle plate 3, when having test specimen baffle plate pore 5 on it and vacuumizing to facilitate, gas and liquid pass through; Test specimen baffle plate is furnished with entanglement 43 times, utilize test specimen baffle plate fastening screw 15 and test specimen baffle plate clamp nut 13 to be fixed on Dewar bottle seal cover board 19, and can utilize test specimen baffle plate fastening screw 15 and test specimen baffle plate clamp nut 13 regulate test specimen baffle plates 3 in testing in rational position, effectively guarantee that sample is immersed in the water in whole process of the test always; In addition, utilize the entanglement 4 of different porosities can effectively stop that the particulate contamination such as floating thing enter pipeline, effectively improve pick-up unit blockage problem.
In the utility model device, be provided with two groups of Dewar bottles 6 and buffer memory bottle 17, and 17 bottles of two groups of buffer memorys are all connected on vacuum pump 23 through three-way interface 21 and solenoid valve 22.Use due to solenoid valve 22, make this device can carry out the detection of two groups of samples simultaneously, if one group of Dewar bottle 6 is because the reason such as poorly sealed causes the pressure leakage in container in testing process, vacuum pump 23 can work on, and can not affect the detection of another group sample, when improving detection efficiency, also can guarantee the stability of testing result.
During detection, first sample numbered and record respectively and detect front example weight m1; At a certain amount of water of the interior injection of Dewar bottle 6, regulate test specimen baffle plate 3 height, guarantee that sample can be immersed in the water in whole testing process always, when volume of water input, will consider in vacuum, to be unlikely to make excessive water to be sucked in buffer memory bottle 17 simultaneously; By Dewar bottle 6 and 17 sealings of buffer memory bottle, connect each pipeline, and guarantee that air release 20 is in closed condition respectively; Switch on power, press and vacuumize switch 12 vacuum pump 23 is started working, when Dewar bottle 6 internal pressures reach required pressure, according to needs, open shake and open, shake and stop button 10, utilize timer 11 to record the dwell time to authorised pressure stop device, and to Dewar bottle 6 processing of exitting; Open Dewar bottle 6 and take out sample, according to taking weight m2 behind standard-required test sample surface; Finally according to two inferior qualities, can calculate vacuum dehydration rate.
Certainly, be more than concrete exemplary applications of the present utility model, the utility model also has other embodiment, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, within all dropping on the desired protection domain of the utility model.
Claims (7)
1. can effectively measure a vacuum dehydration rate test unit for the larger material of swelling property, it is characterized in that it comprises at least as lower member: two groups of Dewar bottles (6) that can hold measured material, Dewar bottle (6) is provided with Dewar bottle seal cover board (19); Two groups of buffer memory bottles (17) that can hold the moisture content that flows backwards in Dewar bottle, this buffer memory bottle (17) is provided with buffer memory bottle seal cover board (18); Effectively protective device to avoid the entanglement (4) of obstruction; During work, can make to keep in Dewar bottle (6) vacuum pump (23) of certain pressure; The vibration motor (8) that can make the sample surface in maintaining the Dewar bottle of certain pressure (6) fully absorb water during work; The timer (11) of time in can accurate recording Dewar bottle (6) under authorised pressure keeps.
2. the vacuum dehydration rate test unit that can effectively measure the larger material of swelling property according to claim 1, is characterized in that: in described Dewar bottle (6), being provided with can be by the water-immersed test specimen baffle plate of sample (3).
3. the vacuum dehydration rate test unit that can effectively measure the larger material of swelling property according to claim 2, it is characterized in that: described test specimen baffle plate (3) is fixing by test specimen baffle plate fastening screw (15) and test specimen baffle plate clamp nut (13), and is connected on Dewar bottle seal cover board (19).
4. according to the vacuum dehydration rate test unit that can effectively measure the larger material of swelling property described in claim 1 or 2 or 3, it is characterized in that: described Dewar bottle (6) and Dewar bottle seal cover board (19), be equipped with seal between buffer memory bottle (17) and buffer memory bottle seal cover board (18).
5. the vacuum dehydration rate test unit that can effectively measure the larger material of swelling property according to claim 4, is characterized in that: between described Dewar bottle (6), buffer memory bottle (17) and vacuum pump (23), be provided with dismountable connecting pipe.
6. the vacuum dehydration rate test unit that can effectively measure the larger material of swelling property according to claim 1, it is characterized in that: between described vibration motor (8) and Dewar bottle (6), be provided with workbench, this workbench makes vibration motor (8) vibration amplitude be unlikely to affect Dewar bottle (6) and test specimen baffle plate (3).
7. a kind of vacuum dehydration rate test unit that can effectively measure the larger material of swelling property according to claim 1, it is characterized in that: mutually independent between two groups of Dewar bottles (6) and buffer memory bottle (17), and can not affect the sample detection in another group bottle while there is pressure leakage in one group of bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420219348.5U CN203824858U (en) | 2014-04-30 | 2014-04-30 | Vacuum water absorption test device capable of effectively measuring materials with large expansibility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420219348.5U CN203824858U (en) | 2014-04-30 | 2014-04-30 | Vacuum water absorption test device capable of effectively measuring materials with large expansibility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824858U true CN203824858U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420219348.5U Expired - Fee Related CN203824858U (en) | 2014-04-30 | 2014-04-30 | Vacuum water absorption test device capable of effectively measuring materials with large expansibility |
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| CN (1) | CN203824858U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843476A (en) * | 2017-11-16 | 2018-03-27 | 中纺协检验（泉州）技术服务有限公司 | A kind of wetting method and planar flexible material infiltration machine of planar flexible material |
| CN110361289A (en) * | 2019-04-30 | 2019-10-22 | 天津津贝尔建筑工程试验检测技术有限公司 | A kind of measurement rubber and plastic closed-cell materials vacuum dehydration rate experimental rig |
| CN108645740B (en) * | 2018-05-30 | 2021-02-19 | 延长油田股份有限公司 | Method and device for measuring back-flow rate of rock core after self-absorption of fracturing fluid |
-
2014
- 2014-04-30 CN CN201420219348.5U patent/CN203824858U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843476A (en) * | 2017-11-16 | 2018-03-27 | 中纺协检验（泉州）技术服务有限公司 | A kind of wetting method and planar flexible material infiltration machine of planar flexible material |
| CN108645740B (en) * | 2018-05-30 | 2021-02-19 | 延长油田股份有限公司 | Method and device for measuring back-flow rate of rock core after self-absorption of fracturing fluid |
| CN110361289A (en) * | 2019-04-30 | 2019-10-22 | 天津津贝尔建筑工程试验检测技术有限公司 | A kind of measurement rubber and plastic closed-cell materials vacuum dehydration rate experimental rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 550002 Guiyang City, Guizhou Province sand Chong Road, No. 13 Patentee after: Guizhou Province building material product quality supervision and test institute Address before: 550002 No. 15 Sha Chong South Road, Guizhou, Guiyang Patentee before: Guizhou Province building material product quality supervision and test institute |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20150430 |
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| EXPY | Termination of patent right or utility model |