CN203479654U - Thin film separation type concrete air content measurement instrument - Google Patents
Thin film separation type concrete air content measurement instrument Download PDFInfo
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- CN203479654U CN203479654U CN201320509535.2U CN201320509535U CN203479654U CN 203479654 U CN203479654 U CN 203479654U CN 201320509535 U CN201320509535 U CN 201320509535U CN 203479654 U CN203479654 U CN 203479654U
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Abstract
The utility model relates to a thin film separation type concrete air content measurement instrument which comprises a tank body, an upper cover, a soft thin film, a water filling valve, an air chamber and a pressure meter, wherein the tank body and the upper cover are fastened by adopting fasteners; the soft thin film is arranged between the tank body and the upper cover; a containing space for containing the soft thin film is formed in the upper cover; the water filling valve is arranged on the upper cover; the air chamber is arranged on the top of the upper cover; the pressure meter is connected to the air chamber. According to the concrete air content measurement instrument, the deformation of a slurry body can be adapted by virtue of good deformability of the soft thin film, the concrete slurry body can be effectively separated from added water and the upper cover under the circumstance that the air content is normally measured, the loss of bubbles in the concrete slurry body during water filling is avoided, a measurement result is relatively accurate, a using process is relatively clean, easy and convenient, the valve is not easily worn, a relatively dirty concrete mixing field environment can be adapted, the wear and faults of the measurement instrument are reduced, and the service life of the measurement instrument is greatly prolonged.
Description
[technical field]
The utility model relates to a kind of concrete 's air-containing analyzer, is specifically related to a kind of film cellular-type concrete 's air-containing analyzer, belongs to concrete quality checkout equipment technical field.
[background technology]
Vapour-pressure type concrete 's air-containing analyzer is for measuring the instrument and equipment of concrete mix air content, is widely used at present the concrete Quality Control of domestic and international industry-by-industry concrete application.
Concrete 's air-containing analyzer the earliest, according to the difference of metering system, is divided into again two kinds of hydraulic type and vapour-pressure types.Vapour-pressure type concrete 's air-containing analyzer is because structure is relatively firm not fragile, and the less operation of size height is relatively easy, common in actual applications, and hydraulic type concrete 's air-containing analyzer almost can not see at present.Mass selling is all vapour-pressure type concrete 's air-containing analyzer in the market, and domestic manufacturer is numerous, and many import brands have also occupied not small market share.
Vapour-pressure type concrete 's air-containing analyzer ultimate principle: concrete 's air-containing instrument mainly carrys out work according to the principle of Boyle's law (full name Boyle-boyle's law, or be called for short Bo-Ma law).Boyle's law implication: for certain mass, temperature-resistant ideal gas (gas of ignoring gravitation and repulsion between gas molecule), the value of the product of its pressure and volume (being pV) is constant, equation expression: p
1v
1=p
2v
2.
Vapour-pressure type concrete 's air-containing analyzer has become a kind of common instrument, uses more frequent.The vapour-pressure type concrete 's air-containing analyzer that existing market is sold is mainly divided into meter reading type (rain glass) and digital type (by atmospheric pressure switching electrical signals, with digital formal output) two kinds, its essential structure principle is basic identical, and using method is also roughly the same.
Existing vapour-pressure type concrete 's air-containing analyzer has a minor issue in actual use: in process of the test, concrete mortar is directly to contact with external adding water, therefore in the injecting process, due to the perturbation action of water to the dilution of slurry and current, the bubble wrapping up in top concrete slurry is understood some effusion and is lost, so therefore the measurement of concrete 's air-containing also can produce certain error.The impact that this factor causes for the fresh concrete air content measurement of different cultivars is not of uniform size: low gas content amount, the little slump, the concrete that is difficult for disperseing carry out air content while measuring the effusion of bubble fewer, smaller on measurement result impact; But high air content, high slump, easily disperse concrete carry out air content while measuring bubble easily overflow, relatively obvious on measurement result impact.
The problem that existing vapour-pressure type concrete 's air-containing analyzer also easily occurs is in actual use device wearing and tearing and fault, causes apparatus measures inaccurate, and then has shortened instrument serviceable life.The external adding water when shortcoming of the vapour-pressure type concrete 's air-containing analyzer using at present is just to measure directly contacts with concrete grout physical efficiency, cause in measuring process and become unbearably muddy as the external adding water of measuring intermediate medium, in water, can sneak into the fine particles such as a large amount of cement, flyash and stone flour.The valve of air content instrument upper cover needs frequent opening and closing, and the particle of sneaking in water, just as abrasive material, causes valve position to be easy to wearing and tearing and impact use.Simultaneously; the particle such as cement and flyash can be diffused into a lot of positions of air content instrument upper cover with external adding water, easily cause fouling, the adhering to for a long time of this dirt; when serious, can affect the valve of upper cover and the maintenance of miscellaneous part and replacing, even cause situation about cannot keep in repair.In real work, new concrete 's air-containing analyzer, using than in situation more frequently, often uses situation about using less than there is valve wearing and tearing and impact half a year.Because concrete 's air-containing analyzer has airtight requirement, after each maintenance, all will do leak detection, sometimes also need to calibrate rear use, it is longer that the time cycle is adjusted in maintenance, the concrete 's air-containing analyzer maintenance cost of part producer is also higher, especially import brand.
Therefore, for avoiding above-mentioned technical matters, necessaryly provide a kind of structure improved film cellular-type concrete 's air-containing analyzer that has, to overcome described defect of the prior art.
[utility model content]
For addressing the above problem, the purpose of this utility model is to provide a kind of simple in structure, not easy to wear and fault, and the film cellular-type concrete 's air-containing analyzer of long service life.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of film cellular-type concrete 's air-containing analyzer, and it comprises tank body, upper cover, fexible film, water injection valve, air chamber and tensimeter; Wherein, between described tank body, upper cover, adopt securing member by both fastenings; Described fexible film is arranged between tank body and upper cover, and is provided with in the inside of upper cover the spatial accommodation that holds described fexible film; Described water injection valve is arranged at and covers; Described air chamber is positioned at the top of upper cover; Described tensimeter is connected on air chamber.
Film cellular-type concrete 's air-containing analyzer of the present utility model is further set to: described fexible film is transparent or translucent fexible film, and its density is greater than the density of water.
Film cellular-type concrete 's air-containing analyzer of the present utility model is also set to: the thickness of described fexible film is between 0.1mm～3mm.
Compared with prior art, the utlity model has following beneficial effect: film cellular-type concrete 's air-containing analyzer of the present utility model relies on the good deformability of flexible film itself, can adapt to the distortion of slurry, can be in the situation that guaranteeing the normal measurement of air content, can effectively concrete mortar and external adding water and upper cover be separated, the loss of bubble in concrete mortar while having avoided water filling, make measurement result more accurate, use procedure is simultaneously more totally easy, valve is not easy wearing and tearing, more can adapt to dirtier concrete mixing site environment, reduce wearing and tearing and the fault of concrete 's air-containing analyzer, greatly extend serviceable life.
[accompanying drawing explanation]
Fig. 1 is the schematic diagram of film cellular-type concrete 's air-containing analyzer of the present utility model.
[embodiment]
Refer to shown in Figure of description 1, the utility model is a kind of film cellular-type concrete 's air-containing analyzer, and it is comprised of several parts such as tank body 1, upper cover 2, fexible film 3, water injection valve 4, air chamber 5 and tensimeters 6.
Wherein, described tank body 1 can splendid attire concrete mortar 7 to be detected.
Described fexible film 3 is arranged on tank body 1 and concrete mortar 7 to be detected, and its thickness is between 0.1mm～3mm.This fexible film 3 is transparent or translucent fexible film 3, can see that so whether the air of 7 of flexible film 3 and concrete mortars is emptying.The density of described fexible film 3 is greater than the density of water, thereby in the time of can avoiding adding water, fexible film 3 floats or lifts, and guarantees content measurement accuracy.Between this tank body 1, upper cover 2, adopt securing member 8 by both fastenings, meanwhile, in the inside of upper cover 2, be provided with the spatial accommodation that holds described fexible film 3.
Described water injection valve 4 is arranged on upper cover 1, and it can be to water filling in instrument.
Described air chamber 5 is positioned at the top of upper cover 1; Described tensimeter 6 is connected on air chamber 5, by reading the number of degrees of tensimeter 6, can draw concrete 's air-containing.
Film cellular-type concrete 's air-containing analyzer of the present utility model adopts flexible film 3 to separate the frame mode of concrete mortar 7 and external adding water, in the situation that guaranteeing the normal measurement of air content, specifically there is following some advantage: 1) concrete mortar 7 tops can not cause part bubble overflow and lose because of the perturbation action that adds dilution in water process and current, make measurement result more accurate.This point is especially large to air content, high slump, easily disperse concrete effect more obvious.2) in process of the test, external adding water can keep clean state, can not be doped into the fine particles such as cement, stone flour, both the wearing and tearing of fine particle to upper cap valve in test operation process had been reduced, the dirt having reduced again on upper cover 1 condenses, therefore can greatly reduce the possibility that wearing and tearing and fault appear in gas content, reduce maintenance frequency.3), owing to there being the covering of flexible film 3, originally can to add hypermutation large for the water-injecting cavity of concrete mortar 7 tops, water-injecting cavity add being easy to of water and the emptying change of gas, facilitated operation.4) feature separated with external adding water according to its concrete mortar 7, can add water duplicate measurements by secondary.5) concrete mortar 7 is separated with external adding water, and water-cement ratio and air content do not change substantially, after agitation as appropriate, can also use, and can reduce rejected material.
Above embodiment is only the preferred embodiment of this creation, not in order to limit this creation, any modification of making, is equal to replacement, improvement etc., within all should being included in the protection domain of this creation within all spirit in this creation and principle.
Claims (3)
1. a film cellular-type concrete 's air-containing analyzer, is characterized in that: comprise tank body, upper cover, fexible film, water injection valve, air chamber and tensimeter; Wherein, between described tank body, upper cover, adopt securing member by both fastenings; Described fexible film is arranged between tank body and upper cover, and is provided with in the inside of upper cover the spatial accommodation that holds described fexible film; Described water injection valve is arranged at and covers; Described air chamber is positioned at the top of upper cover; Described tensimeter is connected on air chamber.
2. film cellular-type concrete 's air-containing analyzer as claimed in claim 1, is characterized in that: described fexible film is transparent or translucent fexible film, and its density is greater than the density of water.
3. film cellular-type concrete 's air-containing analyzer as claimed in claim 2, is characterized in that: the thickness of described fexible film is between 0.1mm～3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320509535.2U CN203479654U (en) | 2013-08-21 | 2013-08-21 | Thin film separation type concrete air content measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320509535.2U CN203479654U (en) | 2013-08-21 | 2013-08-21 | Thin film separation type concrete air content measurement instrument |
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| Publication Number | Publication Date |
|---|---|
| CN203479654U true CN203479654U (en) | 2014-03-12 |
Family
ID=50227965
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320509535.2U Expired - Fee Related CN203479654U (en) | 2013-08-21 | 2013-08-21 | Thin film separation type concrete air content measurement instrument |
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|---|---|
| CN (1) | CN203479654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764874A (en) * | 2015-03-31 | 2015-07-08 | 中铁第五勘察设计院集团有限公司 | Device and method for detecting air content in concrete mixture |
-
2013
- 2013-08-21 CN CN201320509535.2U patent/CN203479654U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764874A (en) * | 2015-03-31 | 2015-07-08 | 中铁第五勘察设计院集团有限公司 | Device and method for detecting air content in concrete mixture |
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| GR01 | Patent grant | ||
| 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: 20140312 Termination date: 20170821 |