CN206019811U - A kind of liquid quality weighs device - Google Patents
A kind of liquid quality weighs device Download PDFInfo
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- CN206019811U CN206019811U CN201621080253.5U CN201621080253U CN206019811U CN 206019811 U CN206019811 U CN 206019811U CN 201621080253 U CN201621080253 U CN 201621080253U CN 206019811 U CN206019811 U CN 206019811U
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Abstract
The utility model is that a kind of liquid quality weighs device, for accurately weigh definite quality liquid asphalt or other need the liquid quality for accurately weighing.This device includes that electronic scale, the top of drum are equipped with bung, and its staving bottom is provided with and weighs valve, is provided with breather pipe in the side on staving top or bung, breather valve is connected with breather pipe by flexible pipe, drum is placed on above electronic scale.This device effectively can not only quantitatively control the outflow of pitch or other liquid, avoid by adding repeatedly, depletion weight to be reaching the complicated processes of requirement weight, the accuracy that weigh is improve more to a certain extent, it is ensured that the accuracy of data, it is ensured that the validity of test data.
Description
Technical field
The utility model is related to the weighing device of liquid, and particularly a kind of liquid quality weighs device, for accurately weighing
The liquid asphalt of definite quality or other need the liquid quality that accurately weighs, the device is mainly applied to laboratory test weigh compared with
The bituminous liquids of few quality, operation is accurately, conveniently.
Background technology
Liquid asphalt weighing is the sport technique segment often occurred in highway pavement laboratory test index Design, is carrying out
During Bituminous Mixture Ratio is tested, according to the liquid asphalt that technical requirement often weighs certain mass.Existing
In the weighing mode for adopting, it is to realize weighing purpose by adding repeatedly, subtracting quality.The reason for taking this weighing mode is main
It is as test interior does not weigh the special purpose device of liquid quality at present, can only be filled into measuring cup with hand-held container, according to
The experience of experimental implementation person is realizing weighing purpose.Add, need to be stained with test paper and subtract, plus lacked,
Subtracted to realize weighing setting with adding by weighing repeatedly.Such experience for weighing mode not only heavy dependence people, Er Qiecao
Make numerous and diverse, impact test progress, bad impact is caused to subsequent operation.So, how to solve laboratory test and quickly weigh one
Determine the liquid of quality, such as liquid asphalt, accelerate test process, improve the accuracy of test efficiency and result, be to need to solve
One problem.
The new gravity flow pitch weighing device of disclosed Patent No. 201320687225.X, is for big machinery
The pitch weighing device of equipment production.Its apply on bituminous mixture blending equipment relatively broad, be primarily directed to high-volume,
The outdoor equipment of big consumption.And for measures range is in below 500g, need the laboratory test of accurate weighing, the device answer
With.
Content of the invention
The purpose of the present invention is to overcome existing technological deficiency, is the matter that laboratory test weighs liquid asphalt or other liquid
Amount provides a kind of easily weighing device.The loaded down with trivial details of test operation process is effectively solved, while operation is simplified, is improved again
The accuracy of data.Past experiential operating method is abandoned, by means technicalization, by process specification.
Technical solution of the present utility model is：A kind of liquid quality weighs device includes electronic scale, the top of drum
Portion is equipped with bung, and its staving bottom is provided with and weighs valve, is provided with breather pipe in the side on staving top or bung, breather valve is led to
Cross flexible pipe to be connected with breather pipe, drum is placed on above electronic scale.
Remarkable result of the present utility model is：This device be the laboratory test of liquid asphalt and asphalt or other
Need all kinds of tests for accurately weighing liquid quality, there is provided a kind of device that facilitates for effectively weighing liquid quality, this device fill
Divide the characteristic not being driven using air pressure principle and flexible pipe.As a example by weighing liquid asphalt：When breather valve is closed, due to drum
Closed good, in bucket, pitch is will not flow out in the presence of atmospheric pressure, and when breather valve is opened, pitch can be in the work of gravity
Naturally flowed out with lower.The flow velocity of pitch can be efficiently controlled by controlling the opening degree of the breather valve before flexible pipe, while by hand
The vibration that dynamic control breather valve is produced is eliminated in flexible pipe front end, and will not be conducted to drum closely affects the reading of electronic scale,
The purpose of accurate weighing is so achieved that.The loaded down with trivial details lengthy and jumbled of conventional method is not only effectively prevented, has even more improve and weigh
Efficiency and accuracy.Meanwhile, the spool design for weighing valve is binary channels or multichannel, at the initial stage that pitch flows out, uses
Large aperture, when design load is close to, uses small-bore instead, so both can guarantee that the accurate of data, can reduce the weighing time again.Its
Longer circular hose design, is to ensure that when the operation of breather valve is carried out, plays a part of damping, buffering, so that behaviour
Start is made the impact to electronic scale reading and is ignored.Drum has heat resistance, can place in an oven to there is temperature
The liquid of requirement, such as pitch, are heated.This device effectively can not only quantitatively control the outflow of pitch or other liquid,
Avoid by adding repeatedly, depletion weight to reach the complicated processes of requirement weight, improve more to a certain extent and weigh
Accuracy, it is ensured that the accuracy of data, it is ensured that the validity of test data.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation for weighing valve two-channel spool.
Specific embodiment
Below in conjunction with detailed description the utility model, protection domain of the present utility model is not limited, all using this practicality
The improvement that new mentality of designing draws belongs to protection category of the present utility model.
A kind of liquid quality weighs device includes that electronic scale 8, the top of drum 2 are equipped with bung 3, and its staving bottom is provided with
Weighing valve 1, breather pipe 6 being provided with the side on staving top or bung 3, breather valve 5 is connected with breather pipe 6 by flexible pipe 4,
Drum 2 is placed on above electronic scale 8.If institute's weighing is the high-temp liquid for needing heating, it is preferred to use breather pipe 6 sets
In the drum 2 of 3 side of bung, after the drum 2 for containing liquid can be avoided to heat, the breather pipe 6 above staving will connect therewith
4 melting loss of flexible pipe for connecing；If institute's weighing is liquid without the need for heating, breather pipe 6 can also be located on the staving of drum 2
Portion.Bung 3 is threaded connection with drum 2, and in bung 3 installs sealed pressure pad.Drum 2 can select resistance to 200C °
The material of high temperature is manufactured, and bung 3 has sealing function, is screwed with drum 2 by screw thread, and sealed pressure pad can ensure that bung 3
Closed between drum 2, will not gas leakage.The length of flexible pipe 4 is set between 1m-3m, breather valve 5 and its rear portion
The portions of the flexible pipe 4 of connection need to lie in the operating table surface for placing electronic scale 8.Flexible pipe 4 is flexible hose, its front end
Operating desk to be completely attached to a middle part, after longer flexible pipe 4 is completely attached to operating table surface, it is ensured that adjusting
Drum 2 and electronic scale 8 will not be conducted to the vibration that flexible pipe 4 causes during breather valve 5, ensure weighing the mistake of liquid with this
Cheng Zhong, the reading on electronic scale 8 is without impact.Additional mass of the operating desk to electronic scale 8 is touched by flexible pipe 4, liquid can weighed
Before weight, electronic scale 8 is zeroed out to eliminate.Breather valve 5 is sleeve type choke valve, and breather valve 5 is using sleeve type throttling
Valve, can be accurately controlled the opening degree of valve.The valve element for weighing valve 1 is binary channels or multichannel valve element, the hole of each passage
Footpath is different, is provided with runner pipe 7 weighing between valve 1 and drum 2, and liquid flow direction that can be in convenient container bucket 2 takes liquid container.
The valve element for weighing valve 1 is divided into large aperture and the passage of small-bore two or multiple passages, can be started according to the quality for adding pitch
Large aperture is selected when weighing, when being close to definite quality, small-bore is selected, is easy to the flow velocity for controlling pitch or other liquid.Weigh valve
Down, one is conveniently to access liquid to the exit normal of door 1, and two is the levelness for maintaining outlet liquid level, prevents from being formed and is unfavorable for claiming
Amount, the liquid level pressure reduction that caused due to liquid level injustice.
During the liquid asphalt for weighing definite quality or other liquid, this device utilizes air pressure principle and flexible pipe not
The characteristic of transmission, accurately weighs a difficult problem for regulation liquid quality, without as current process of the test by solving once filling
In by adding repeatedly, depletion weight to be realizing.By taking liquid asphalt as an example：First in the premise for guaranteeing device overall tightness
Under, how many according to the quality of weighed liquid asphalt liquid, the bore for weighing valve 1 is selected, quality multiselect heavy caliber is weighed, matter
Amount is selected small-bore less, and the reading of electronic scale 8 is zeroed.After opening weighs valve 1, the breather valve 5 due to being located on flexible pipe 4 is in
Closed mode, the pitch in drum 2 are will not flow out due to the effect of atmospheric pressure.After breather valve to be opened 5, now pitch
Slowly can flow out, read electronic scale 8 reading, reach regulation quality when, turn off breather valve 5.Due to breather valve 5 and container
It is not directly connected between bucket 2 and electronic scale 8, but employs longer flexible pipe 4 and connect, when breather valve 5 is operated, causes
Vibration will not cause the vibration of drum 2 and electronic scale 8, affect the reading of electronic scale 8, so can reach once filling and hold
Device bucket 2, just can accurately weigh the purpose of liquid asphalt or liquid quality.
By taking liquid asphalt as an example, before on-test, weigh valve 1 and breather valve 5 is closed, temperature is reached examination
The heated bitumen liquid for testing requirement is poured in drum 2, and then bung 3 is tightened on drum 2.Now at whole container bucket 2
In air containment state.Drum 2 is placed on the electronic scale 8 above operating desk, the leveling of electronic scale 8 is good.4 front end of flexible pipe is big
Portion and stage casing nature operating of contacts platform completely, takes liquid container and is placed on the lower section for weighing valve 1.8 reading of electronic scale is zeroed, is opened
Begin to fall to remove the peel weighing asphalt quality.Example：To weigh the pitch of 239.5g, 1 large aperture passage of valve will be weighed and opened, small-bore
Passage is closed.Now, as whole container bucket 2 is in air containment state, pitch is in the presence of atmospheric pressure
Can not flow out from weighing in valve 1.At this moment, the outflow and stopping of pitch will be controlled by controlling breather valve 5.Slowly beat
Air valve 5 is opened, inside and outside pressure is in poised state, and pitch can flow out under gravity.While pitch flows out, see
Examine the change of 8 numeral of electronic scale.When 8 reading of electronic scale is close to setting, rapidly breather valve 5 is closed, valve will be weighed
The large aperture pathway closure of door 1, small-bore passage are opened.Breather valve 5 is opened, the opening degree of breather valve 5 is controlled, electronics is observed
Reading on scale 8, makes the rate of outflow of pitch slower closer to 239.5g.When reaching 239.5 grams, breather valve 5 is closed thoroughly,
Now whole container bucket 2 is in air-tight state again, and pitch no longer flows out, and weighing process is completed.
Special instruction：There is the small time difference between the quality shown due to asphalt quality and electronic scale 8 sensing of outflow,
So while asphalt quality is close to 239g, the opening degree of constantly regulate to be passed through and reduction breather valve 5 gets over pitch flow velocity
Come slower, make quality gradually approach 239.5g, so that numerical value is more accurate.After asphalt quality reaches definite quality,
To close breather valve 5 immediately, complete weighing process.If subsequently weighing will be continued also, bung 3 can be removed, drum 2 is put into
Baking oven inside holding.
It is demountable between the breather pipe 6 of hard and the flexible pipe 4 of flexibility.After whole off-test, be to container
Bucket 2 and flexible pipe 4 are cleared up.Pitch can be poured out while hot, periodically be cleaned with trichloro ethylene.If there is solidification pitch, hold
Device bucket 2 can be heated in an oven, and pitch is heated after thawing, and meeting nature flows out, and is then cleaned again.
Claims (6)
1. a kind of liquid quality weighs device, including electronic scale, it is characterized in that, the top of drum is equipped with bung, under its staving
Portion is provided with and weighs valve, is provided with breather pipe in the side on staving top or bung, and breather valve is connected with breather pipe by flexible pipe,
Drum is placed on above electronic scale.
2. a kind of liquid quality weighs device as claimed in claim 1, it is characterized in that, the bung passes through screw thread with drum
Connection, and sealed pressure pad is installed in bung.
3. a kind of liquid quality weighs device as claimed in claim 2, it is characterized in that, the length of the flexible pipe is set in 1m-
Between 3m, the portions of breather valve and its back-connected flexible pipe need to lie in the operating table surface for placing electronic scale.
4. a kind of liquid quality as described in claim 1 or 3 weighs device, it is characterized in that, the breather valve is sleeve type section
Stream valve.
5. a kind of liquid quality weighs device as claimed in claim 2, it is characterized in that, the valve element for weighing valve is bilateral
Road or multichannel valve element, the aperture of each passage are different, be provided with runner pipe weighing between valve and drum.
6. a kind of liquid quality weighs device as claimed in claim 5, it is characterized in that, the exit normal court for weighing valve
Under.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621080253.5U CN206019811U (en) | 2016-09-27 | 2016-09-27 | A kind of liquid quality weighs device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621080253.5U CN206019811U (en) | 2016-09-27 | 2016-09-27 | A kind of liquid quality weighs device |
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| Publication Number | Publication Date |
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| CN206019811U true CN206019811U (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621080253.5U Active CN206019811U (en) | 2016-09-27 | 2016-09-27 | A kind of liquid quality weighs device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376765A (en) * | 2017-09-05 | 2017-11-24 | 北京华索科技股份有限公司 | A kind of charcoal element shaping kneading pot multiple spot spray filling pitch system |
| CN108020492A (en) * | 2017-05-12 | 2018-05-11 | 北京华索科技股份有限公司 | Grain size analysis system |
-
2016
- 2016-09-27 CN CN201621080253.5U patent/CN206019811U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020492A (en) * | 2017-05-12 | 2018-05-11 | 北京华索科技股份有限公司 | Grain size analysis system |
| CN108020492B (en) * | 2017-05-12 | 2024-04-30 | 北京华索科技股份有限公司 | Particle size analysis system |
| CN107376765A (en) * | 2017-09-05 | 2017-11-24 | 北京华索科技股份有限公司 | A kind of charcoal element shaping kneading pot multiple spot spray filling pitch system |
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