CN204649559U - A kind of noiseless weighing device being applicable to specific humiture environment - Google Patents
A kind of noiseless weighing device being applicable to specific humiture environment Download PDFInfo
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- CN204649559U CN204649559U CN201520410232.4U CN201520410232U CN204649559U CN 204649559 U CN204649559 U CN 204649559U CN 201520410232 U CN201520410232 U CN 201520410232U CN 204649559 U CN204649559 U CN 204649559U
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- sealable tank
- water bath
- noiseless
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- weighing device
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Abstract
A kind of noiseless weighing device being applicable to specific humiture environment, comprise the water bath be filled with water, the sealable tank filling saturated salt solution, described water bath is provided with case lid, described sealable tank is provided with gland bonnet, case lid is offered porose, gland bonnet covers after on sealable tank, is exposed outside water bath by the hole on case lid.Test specimen is placed in load sample basket, and after peg inserts gland bonnet, load sample basket is caught in its lower end, and load sample basket is placed in sealable tank, and sealable tank is placed in water bath.Above water bath, erection has guide rail bracket, and electronic balance is placed on guide rail bracket.A kind of noiseless weighing device being applicable to specific humiture environment of the utility model, this device repeatedly weighs sample when can be implemented in not open sealable tank, do not cause the disturbance of steam in sealable tank, sample is in specific humiture environment all the time.
Description
Technical field
A kind of noiseless weighing device being applicable to specific humiture environment of the utility model, relates to weighing and the measurement of the total suction of soil of experimental sample, belongs to Geotechnical Engineering field.
Background technology
Humidity Control measures a kind of important technology of soil suction in Geotechnical Engineering, its ultimate principle is: can calculate suction value by relative humidity meter by Kelvin equation, during test, sample is put in a sealed environment, soil suction is controlled by the relative humidity controlled in sealed environment, after the water-vapor exchange in sample reaches balance, can think that soil suction reaches the suction value needing to control.Current soil suction uses the method for this technology to have the rating curve in salt solustion mehtod and filter paper method to measure process in measuring.For salt solustion mehtod, its general process is different types of saturated salt solution is put into respectively corresponding sealable tank, then in sealable tank, support is put into, again soil sample is placed on support, notice that sample can not contact with the solution in sealable tank, after a period of time (20 days to two months not etc.), from tank, take out sample after the water-vapor exchange of water vapor reaches balance in sample to be determined and tank be placed on balance and weigh, record its water percentage.For in filter paper method rating curve test, except subjects changes into except filter paper from soil sample, its process and salt solustion mehtod basically identical.In above-mentioned two kinds of methods, in sample and environment, whether water-vapor exchange reaches that to balance be no longer changed by the weight of sample to determine, often needs repetitive measurement.Common test method be sample is taken out from sealable tank weigh after put back to again in sealable tank, sealable tank has opened wide a period of time in the process of materialsing in this process, steam in sealable tank exchanges with the steam in external environment condition, causes relative humidity in a period of time inner canister after sealable tank put back to by sample to change; When materialsing, sample also can expose in atmosphere in addition, and its quality also small change can occur, and the generation of both of these case all can produce certain influence to test findings.
Summary of the invention
In order to overcome the above-mentioned error that manual operation causes in weighing process, the utility model provides a kind of noiseless weighing device being applicable to specific humiture environment, this device repeatedly weighs sample when can be implemented in not open sealable tank, do not cause the disturbance of steam in sealable tank, sample is in specific humiture environment all the time.
The technical scheme that the utility model is taked is:
A kind of noiseless weighing device being applicable to specific humiture environment, comprise the water bath be filled with water, the sealable tank filling saturated salt solution, described water bath is provided with case lid, described sealable tank is provided with gland bonnet, case lid is offered porose, gland bonnet covers after on sealable tank, is exposed outside water bath by the hole on case lid.Test specimen is placed in load sample basket, and after peg inserts gland bonnet, load sample basket is caught in its lower end, and load sample basket is placed in sealable tank, and sealable tank is placed in water bath.Above water bath, erection has guide rail bracket, and electronic balance is placed on guide rail bracket.
Described water bath comprises and is provided with inner bag, is provided with U-shaped heating resistor pipe, porous barrier bottom inner bag, and U-shaped heating resistor pipe is used for providing thermal source for water bath; Porous barrier is for supporting sealable tank and sealable tank and U-shaped heating resistor pipe being separated.
Described case lid is stainless steel casing, filling with insulation material in it, and case lid offers multiple diameter and sealable tank diameter circular hole always, and the gland bonnet of sealable tank is exposed to outside water bath by circular hole.
Described sealable tank is the cylindrical tank of glass material, after covering gland bonnet, gland bonnet can be made to stretch out case lid.
Described gland bonnet is plastics or organic glass lid, and it is the taper concaved towards the side in sealable tank.
Described gland bonnet center is provided with the circular hole for inserting peg, and peg is for connecting electronic balance, load sample basket.
Described gland bonnet outside hub place's adhesion has rubber sheet gasket.
Respectively there is a hook at described peg two ends, are provided with plastic sheet at peg on the shaft of sealable tank outer side.
Described load sample basket is made up of stainless steel cloth, rack, and described rack is ganoid copper cash.
Described guide rail bracket is provided with cross slide way, longitudinal rail, electronic balance is located on longitudinal rail by the pulley yoke installed bottom it, and longitudinal rail is erected on cross slide way.
A kind of noiseless weighing device being applicable to specific humiture environment of the utility model, be provided with moving guide rail frame on the top of water bath, guide rail bracket is provided with cross slide way, longitudinal rail; During experiment, balance bottom being installed pulley is erected on longitudinal rail, and longitudinal rail is erected on cross slide way simultaneously.When in experimentation, need weigh time, the gentle longitudinal rail in removable sky, balance is moved to need weigh sealable tank directly over, the hook on sealable tank is linked up with balance and is connected, can weigh; Along with the movement of sky mean place, in different sealing tank, the quality of sample can repeatedly be weighed.
The use of the utility model water bath, for test provides a stationary temperature environment, and can carry out the Test And Research Work under different temperatures along with the adjustment of water bath temperature.The meausring apparatus of non-interfering type simplifies experiment process, and the personnel that decrease drop into, and decreases because sample takes out the quality change of cruelly leaking and causing in external environment condition, is of great importance for raising test mass and test figure accuracy aspect.
Accompanying drawing explanation
Fig. 1 a is water bath plan structure schematic diagram (without case lid state) of the present utility model;
Fig. 1 b is water bath plan structure schematic diagram (having case lid state) of the present utility model;
Fig. 2 is device cross-sectional view of the present utility model;
Fig. 3 is the sealing cover structure schematic diagram of sealable tank of the present utility model;
Fig. 4 is guide rail bracket structural representation of the present utility model.
Embodiment
As shown in Fig. 1 a, 1b, Fig. 2 ~ Fig. 4, a kind of noiseless weighing device being applicable to specific humiture environment, comprise the water bath 1 be filled with water, the sealable tank 6 filling saturated salt solution 7, described water bath 1 is provided with case lid 4, and case lid 4 is provided with handle 19.Described sealable tank 6 is provided with gland bonnet 10, case lid 4 is offered porose, and gland bonnet 10 covers after on sealable tank 6, is exposed outside water bath 1 by the hole on case lid 4.Test specimen 9 is placed in load sample basket 8, and after peg 11 inserts gland bonnet 10, load sample basket 8 is caught in its lower end, and load sample basket 8 is placed in sealable tank 6, and sealable tank 6 is placed in water bath 1.Above water bath 1, erection has guide rail bracket 15, and electronic balance 14 is placed on guide rail bracket 15.
Described water bath 1 comprises and is provided with inner bag, and inner bag material is corrosion resistant plate, inner bag size: length is 55cm*35cm*25cm.Be provided with U-shaped heating resistor pipe 4, porous barrier 2 bottom inner bag, U-shaped heating resistor pipe 4 is for providing thermal source for water bath 1.Porous barrier 2 is for supporting sealable tank 6 and sealable tank 6 and U-shaped heating resistor pipe 4 being separated.U-shaped heating resistor pipe 4 connects temperature control panel 5.
Described case lid 4 is stainless steel casing, filling with insulation material in it, and case lid 4 is separate type, can leave water bath 1 body.Case lid 4 offers multiple (as: 10) diameter and sealable tank 6 diameter circular hole always, and the gland bonnet 10 of sealable tank 6 is exposed to outside water bath 1 by circular hole.
Described sealable tank 6 is the cylindrical tank of glass material, the corrosion of various solution in resistance to test.After covering gland bonnet 10, gland bonnet 10 can be made to stretch out case lid 4, object is the placement and the taking-up that facilitate sealable tank 6.
Described gland bonnet 10 is plastics or organic glass lid, and it is the taper concaved towards the side in sealable tank, and effect prevents the water droplet condensed on gland bonnet 10 in sealable tank 10 from dripping on sample 9.
Described gland bonnet 10 center be provided with for insert peg 11, diameter is 0.5cm circular hole, peg 11, for connecting electronic balance 14, load sample basket 8, makes electronic balance 14 can take the quality of load sample basket 8.
Described gland bonnet 10 outside hub place's adhesion has internal diameter 0.5cm, the rubber sheet gasket 12 of external diameter 3cm.
Electronic balance 14 adopts plum Teller balance.
Described peg 11 is the copper cash (antirust) of diameter 2mm, and respectively there is a hook at peg 11 two ends, is provided with the plastic sheet 13 of diameter 2cm at peg 11 on the shaft of sealable tank 6 outer side.The effect one of plastic sheet blocks peg 11 to make load sample basket 8 be in suspension status in sealable tank 6, do not contact with tank skin with solution in tank.Two is when not weighing, and plastic sheet, under the pulling force effect of peg 11, can be engaged with the rubber sheet gasket 12 on gland bonnet 10, guarantees the sealing of sealable tank 6.
Described load sample basket 8 is made up of stainless steel cloth, rack, and described rack is ganoid copper cash, prevents water vapor adsorption in copper line surface or produces corrosion thus impact weighing effect.
Described guide rail bracket 15 is provided with cross slide way 16, longitudinal rail 15, electronic balance 14 is erected on longitudinal rail 15 by the pulley 18 installed bottom it, and longitudinal rail 15 is erected on cross slide way 16.
First add water in water bath 1, add water bonnet upper box lid 4.Appropriate saturated salt solution 7(or the NaCl solution of variable concentrations is poured into) in sealable tank 6, load sample basket 8 put into by sample 9, after peg 11 injects the circular hole on gland bonnet 10, load sample basket 8 catches on by peg 11 lower end hook, put into sealable tank 6, and carefully cover gland bonnet 10, should notice in this process that load sample basket 8 can not contact with tank skin, the solution in sealable tank 6 can not be made to splash on load sample basket 8 or sample 9.To put the sealable tank 6 of sample 9 well respectively, and be inserted in water bath 1 by the circular hole on case lid 4, temperature is also set as preset temperature by open water bath cabinet 1, now tests and formally starts.
Directly over water bath, erection has guide rail bracket 15, electronic balance 14 is placed on guide rail bracket 15, when needs weigh, balance 14 is moved to need weigh sample 9 directly over, to clamp on peg 11 hook with tweezers to link up with balance and hook, and can weigh, to guarantee during weighing that peg 11 can not contact with sealed tank cap 10.Treat that this sample has claimed the position making a record i.e. removable balance afterwards to carry out the weighing of next sample, after sample has all weighed, the first round weighs complete, once can weigh work every the time of one section of setting later.
embodiment:
Embodiment 1, salt solustion mehtod is tested:
First add water in water bath 1, add water bonnet upper box lid 4.Appropriate different types of saturated salt solution 7 is poured respectively in ten sealable tanks 6.The cutting ring soil sample made is put into load sample basket 8, and after peg 11 injects the circular hole on gland bonnet 10, load sample basket 8 catches on by peg 11 lower end hook puts into sealable tank 6, and carefully covers gland bonnet 10.Then be inserted in water bath 1 by these sealable tanks 6 by the circular hole on case lid 4, temperature is also set as 25 DEG C by open water bath cabinet 1.Before cutting ring soil sample puts into load sample basket 8, be first that the quality that millesimal plum Teller balance weighs up peg 11 and load sample basket 8 is recorded as m respectively by precision
00, m
01, m
02m
09.Water bath 1 is tested after starting working and is formally started, and after this carries out taking turns weighing to sample 9 every 12 hours.When needing to be moved to by balance when weighing directly over the sample 9 that needs weigh, clamp peg with tweezers and peg 11 upper end is linked up with and balance is linked up with hook and weighed, quality is recorded as m respectively
10, m
11, m
12m
19.Carry out second time after 12 hours to weigh, quality is recorded as m respectively
20, m
21, m
22m
29.Instruct by that analogy and proceed to the n-th wheel measurement and several difference in quality of taking turns is not defecated and can be determined that sample reaches balance, now off-test before and after finding.
Embodiment 2, filter paper calibration test:
First add water in water bath 1, add water bonnet upper box lid 4.The NaCl solution of appropriate different volumetric molar concentrations is poured respectively in ten sealable tanks 6.Filter paper sample is put into load sample basket 8, and after peg 11 injects the circular hole on gland bonnet 10, load sample basket 8 catches on by peg 11 lower end hook puts into sealable tank 6, and carefully covers gland bonnet 10.Then be inserted in water bath 1 by these sealable tanks 6 by the circular hole on case lid 4, temperature is also set as 25 DEG C by open water bath cabinet 1.Before load sample basket 8 put into by filter paper sample, first with precision be ten thousand/ the plum Teller balance quality that weighs up peg 11 and load sample basket 8 be recorded as m respectively
00, m
01, m
02m
09.Water bath 1 is tested after starting working and is formally started, and moved to by balance directly over the sample that needs to weigh, clamp peg 11 with tweezers, peg 1 upper end is linked up with and links up with hook weigh with balance, quality is recorded as m respectively
10, m
11, m
12m
19.Carry out second time after 1 hour to weigh, quality is recorded as m respectively
20, m
21, m
22m
29.Along with the interval time of continuity after this every wheel measurement of test period can extend, instruct by that analogy and proceed to the n-th wheel measurement and several difference in quality of taking turns is not defecated and can be determined that sample reaches balance, now off-test before and after finding.Because the equilibration time of filter paper calibration is much short relative to the salt solustion mehtod time, especially its mass change is the most violent within a couple of days of on-test, therefore the weighing time interval started most be necessary the section of establishing some, interval can be set to an every other day survey after two days.
Claims (10)
1. one kind is applicable to the noiseless weighing device of specific humiture environment, comprise the water bath (1) be filled with water, the sealable tank (6) filling saturated salt solution (7), it is characterized in that, described water bath (1) is provided with case lid (4), described sealable tank (6) is provided with gland bonnet (10), case lid (4) is offered porose, gland bonnet (10) covers after sealable tank (6) is upper, exposes water bath (1) outward by the hole on case lid (4);
Test specimen (9) is placed in load sample basket (8), and peg (11) inserts gland bonnet (10) and catches on load sample basket (8) in its lower end afterwards, and load sample basket (8) is placed in sealable tank (6), and sealable tank (6) is placed in water bath (1);
The erection of water bath (1) top has guide rail bracket (15), and electronic balance (14) is placed on guide rail bracket (15).
2. a kind of noiseless weighing device being applicable to specific humiture environment according to claim 1, it is characterized in that, described water bath (1) comprises and is provided with inner bag, be provided with U-shaped heating resistor pipe (4), porous barrier (2) bottom inner bag, U-shaped heating resistor pipe (4) is for providing thermal source for water bath (1); Porous barrier (2) is for supporting sealable tank (6) and sealable tank (6) and U-shaped heating resistor pipe (4) being separated.
3. a kind of noiseless weighing device being applicable to specific humiture environment according to claim 1, it is characterized in that, described case lid (4) is stainless steel casing, filling with insulation material in it, case lid (4) offers multiple diameter and sealable tank (6) diameter circular hole always, and the gland bonnet (10) of sealable tank (6) is exposed to water bath (1) outward by circular hole.
4. a kind of noiseless weighing device being applicable to specific humiture environment according to claim 3, is characterized in that, the cylindrical tank that described sealable tank (6) is glass material, after covering gland bonnet (10), gland bonnet (10) can be made to stretch out case lid (4).
5. a kind of noiseless weighing device being applicable to specific humiture environment according to claim 3, it is characterized in that, described gland bonnet (10) is plastics or organic glass lid, and it is the taper concaved towards the side in sealable tank (6).
6. a kind of noiseless weighing device being applicable to specific humiture environment according to claim 1, it is characterized in that, described gland bonnet (10) center is provided with the circular hole for inserting peg (11), and peg (11) is for connecting electronic balance (14), load sample basket (8).
7. a kind of noiseless weighing device being applicable to specific humiture environment according to claim 1, it is characterized in that, described gland bonnet (10) outside hub place adhesion has rubber sheet gasket (12).
8. a kind of noiseless weighing device being applicable to specific humiture environment according to claim 1, it is characterized in that, respectively there is a hook at described peg (11) two ends, are provided with plastic sheet (13) at peg (11) on the shaft of sealable tank (6) outer side.
9. a kind of noiseless weighing device being applicable to specific humiture environment according to claim 1, it is characterized in that, described load sample basket (8) is made up of stainless steel cloth, rack, and described rack is ganoid copper cash.
10. a kind of noiseless weighing device being applicable to specific humiture environment according to claim 1, it is characterized in that, described guide rail bracket (15) is provided with cross slide way (16), longitudinal rail (15), electronic balance (14) is erected on longitudinal rail (15) by the pulley (18) installed bottom it, and longitudinal rail (15) is erected on cross slide way (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520410232.4U CN204649559U (en) | 2015-06-15 | 2015-06-15 | A kind of noiseless weighing device being applicable to specific humiture environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520410232.4U CN204649559U (en) | 2015-06-15 | 2015-06-15 | A kind of noiseless weighing device being applicable to specific humiture environment |
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|---|---|
| CN204649559U true CN204649559U (en) | 2015-09-16 |
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| CN201520410232.4U Expired - Fee Related CN204649559U (en) | 2015-06-15 | 2015-06-15 | A kind of noiseless weighing device being applicable to specific humiture environment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913999A (en) * | 2015-06-15 | 2015-09-16 | 三峡大学 | Interference-free weighing device applied to specific temperature and humidity environment |
| CN112666037A (en) * | 2021-01-13 | 2021-04-16 | 上海亦又新能源科技有限公司 | Humidity-adjusting material performance detection device and humidity-adjusting material performance detection method |
-
2015
- 2015-06-15 CN CN201520410232.4U patent/CN204649559U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913999A (en) * | 2015-06-15 | 2015-09-16 | 三峡大学 | Interference-free weighing device applied to specific temperature and humidity environment |
| CN112666037A (en) * | 2021-01-13 | 2021-04-16 | 上海亦又新能源科技有限公司 | Humidity-adjusting material performance detection device and humidity-adjusting material performance detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150916 Termination date: 20160615 |