CN205246477U - Biggest theoretical relative density apparatus of bituminous mixture - Google Patents
Biggest theoretical relative density apparatus of bituminous mixture Download PDFInfo
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- CN205246477U CN205246477U CN201521135552.XU CN201521135552U CN205246477U CN 205246477 U CN205246477 U CN 205246477U CN 201521135552 U CN201521135552 U CN 201521135552U CN 205246477 U CN205246477 U CN 205246477U
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- relative density
- water bath
- pressure container
- theoretical maximum
- maximum relative
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Abstract
The utility model provides a biggest theoretical relative density apparatus of bituminous mixture, be in including casing and setting experimental apparatus on the casing, the experimental apparatus includes the thermostatted water bath cabinet and sets up " L " type lifter of thermostatted water bath cabinet one side and putting into the negative pressure container of water bath with thermostatic control incasement, the negative pressure container has the container lid, be provided with agitating unit on the lifter, agitating unit's lower part is stretched into in the negative pressure container, the container is covered and still is connected with the exhaust tube, the one end of exhaust tube with negative pressure container intercommunication. The utility model provides an apparatus passes through agitating unit makes mixture maxmizing degree of scatter, does not pile up admittedly together, fully detaches the residual bubble, improves the test result precision, can adjust, keep negative pressure container water -logging and mixture constancy of temperature through setting up the thermostatted water bath cabinet, ability direct measurement container and mixture quality in aqueous after the off -test, save time improves work efficiency.
Description
Technical field
The utility model belongs to road engineering field, is specifically related to a kind of asphalt theoretical maximum relatively closeDegree analyzer.
Background technology
Bituminous paving is widely used in highway engineering in China, based on the requirement of bituminous paving quality and performance, needsTo carry out correlation test research to asphalt. The maximum relative density of theory of asphalt is to carry out dropVery important data in blue or green compound design and quality control on construction process. The master of asphalt controlWant V parameter V (voidage of bitumen mixture specimen), VMA (the mineral aggregate gap of bitumen mixture specimenRate) be all according to theoretical maximal phase, density calculation to be obtained. Its correctness directly has influence on compoundEntirety serviceability, particularly in work progress, how obtaining the maximum relative density of correct theory is to passImportant link.
But the size due to negative-pressure container in experimentation is limit, only rely on strong vibration to be difficult to make pitchCompound obtains optimal dispersion, removes residual bubble, affects experimental result. Vibrations knot in experimentationShu Hou, need to be placed in negative-pressure container after water bath with thermostatic control is incubated certain hour and take negative-pressure container again and mixQuality in material water, makes the test period longer.
Therefore, develop a kind of for improving asphalt theoretical maximum relative density and improving test efficiencyDevice is very necessary.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of asphalt theoretical maximum relatively closeDegree analyzer, this analyzer, by agitating device, makes compound reach maximum degree of scatter, removes residueBubble, improves test result precision, and keeps water and mixture temperature in negative-pressure container by water bath with thermostatic control,Save time, improve test efficiency.
The utility model solves the problems of the technologies described above by following technical proposals:
A kind of asphalt theoretical maximum relative density determination instrument, comprises casing and is arranged on described casingExperimental provision, described experimental provision comprises constant water bath box and is arranged on described constant water bath box one side" L " type elevating lever and insert the negative-pressure container of described constant water bath box, described negative-pressure container has container cover,On described elevating lever, be provided with agitating device, the bottom of described agitating device is stretched in described negative-pressure container, instituteState in container cover and be also connected with exhaust tube, one end of described exhaust tube is communicated with described negative-pressure container.
Preferably, the stirring that described agitating device comprises stirring motor and is connected with described stirring motor output shaftHead, described stirring motor and described stirring-head are placed on described elevating lever, and described stirring-head below connects successivelyHave shaft and paddle, described shaft is through described container cover, and described paddle is placed in described negative pressure to be heldIn device.
Preferably, described constant water bath box inside is provided with two draw-in grooves, and described negative-pressure container is stuck in two draw-in groovesBetween.
Preferably, described constant water bath box cabinet exterior is provided with heat-insulation layer, in described heat-insulation layer, is provided with inner bag.
Preferably, described water bath with thermostatic control upper box part is provided with control cabinet, described control cabinet inside be provided with circulating pump andHeating tube, top is provided with control panel, and described heating tube stretches in described constant water bath box.
Preferably, described container cover is glass cover.
Preferably, described exhaust tube is away from described elevating lever.
Preferably, described experimental provision has two, two experimental provision structures identical and be symmetricly set on described inOn casing, wherein two exhaust tubes close on setting.
Preferably, described analyzer also comprises air extractor, and described air extractor comprises vavuum pump and is arranged onVacuum meter on described vavuum pump, the other end of two exhaust tubes is all connected with described vavuum pump.
Preferably, also comprise and be arranged on master switch, the vibrations action button group of bleeding of described casing front portion and stirMix machine operation button groups.
The analyzer that the utility model provides is easy to operate, and effect is remarkable, is conducive to save time, and improves essenceDegree, increases work efficiency; Constant water bath box can regulate the temperature of test front and back style, can after off-testDirectly to measure style quality, need not put into again the temperature that water bath with thermostatic control makes style reach regulation and try againTest, saved the time, improved efficiency; Can control by stirring switch examination to mixing speed simultaneouslyWhile testing paddle as the case may be to compound carry out friction speed stir can make compound enough pointLoose, do not consolidate stack up, accelerate flowing of water, be conducive to get rid of the bubble in compound, raising test is smartDegree.
Brief description of the drawings
Fig. 1 is that the structure of the asphalt theoretical maximum relative density determination instrument of the utility model embodiment is shownIntention;
Fig. 2 is the structural representation of air extractor.
Detailed description of the invention
Can be implemented in order to make those skilled in the art understand better the technical solution of the utility model, underFace further illustrates the utility model with specific embodiment by reference to the accompanying drawings, but illustrated embodiment not as to thisThe restriction of utility model.
The utility model provides a kind of asphalt theoretical maximum relative density determination instrument, concrete as Fig. 1Shown in, comprise casing 1 and be arranged on the experimental provision on casing 1, experimental provision comprises constant water bath box 7Hold with the negative pressure that is arranged on " L " elevating lever 13 of constant water bath box 7 one sides and be placed in constant water bath box 7Device 6, negative-pressure container 6 has container cover 16, and constant water bath box 7 inside are provided with two draw-in grooves 5, and negative pressure is heldDevice 6 is stuck between two draw-in grooves 5, ensures that negative-pressure container 6 placements are stable, in container cover 16, bottom is installedStretch into the agitating device in negative-pressure container 6; In container cover 16, be also connected with exhaust tube 17, exhaust tube 17 is far awayFrom elevating lever 13, one end of exhaust tube 17 is communicated with negative-pressure container 6. Control and stir dress by elevating lever 13The lifting of putting, constant water bath box 7 provides isoperibol for negative-pressure container 6.
The stirring-head 15 that agitating device comprises stirring motor 14 and is connected with stirring motor 14 output shafts, stirsMotor 14 and stirring-head 15 are placed on elevating lever 13, and stirring-head 15 belows are connected with shaft 20 in turnWith paddle 21, shaft 20 is through container cover 16, and paddle 21 is placed in negative-pressure container 6, by stirringMix motor 14 paddle 21 is rotated, the compound in negative-pressure container 6 is stirred.
In the present embodiment, observe for convenient, container cover 16 is glass cover.
During this enforcement is fallen, in order to ensure that the water temperature in constant water bath box 7 remains on uniform temperature, at thermostatted waterBath cabinet 7 tops are provided with control cabinet, and control cabinet inside is provided with circulating pump 9 and heating tube 10, heating tube 10Stretch in constant water bath box 7, by the water temperature in heating tube 10 regulating thermostatic water baths 7, pass through circulating pump9 make that in constant water bath box 7, water temperature is identical everywhere; Be provided with control panel 8, chain of command on control cabinet top simultaneouslyPlate 8 is provided with constant water bath box switch and temperature setting button, by control panel to circulating pump 9 and heatingThe temperature of pipe 10 arranges. Also be provided with heat-insulation layer 12 at constant water bath box 7 cabinet exteriors, insulation simultaneouslyIn layer 12, be provided with inner bag 11, further strengthen the temperature persistance of constant water bath box 7.
Further, in order to improve conventional efficient and to be contrast experiment, in the present embodiment, experimental provision has two,Two experimental provision structures are identical and be symmetricly set on casing 1, and wherein two exhaust tubes 17 close on setting.
For the bubble of discharging in negative-pressure container 6 is discharged rapidly, the analyzer that the present embodiment provides is also set upAir extractor, air extractor comprises vavuum pump 18 and is arranged on 19, two of vacuum meters on vavuum pump 18The other end of exhaust tube is connected with vavuum pump 18 respectively. The bubble of discharging in negative-pressure container 6, can pass through vacuumPump 18 is discharged from exhaust tube 17 rapidly. Meanwhile, be provided with master switch 2 in casing 1 front portion, bleed and shake behaviourMake button 3 and mixer action button 4, the vibrations action button group 3 of bleeding comprise the button of bleeding, vibrations byButton and the first scram button, mixer action button 4 comprises rising button, stir button and second anxious stop byButton, by above-mentioned button realize to analyzer fast, accurately operation.
The above, above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit,Protection domain of the present utility model is not limited to this, and any to be familiar with those skilled in the art new in this practicalityIn the technical scope that type discloses, the simple change of the technical scheme that can obtain apparently or equivalence are replaced,All belong to protection domain of the present utility model.
Claims (10)
1. an asphalt theoretical maximum relative density determination instrument, comprises casing (1) and is arranged on instituteState the experimental provision on casing (1), it is characterized in that, described experimental provision comprises constant water bath box (7)Be arranged on " L " type elevating lever (13) of described constant water bath box (7) one sides and insert described constant temperatureNegative-pressure container (6) in water bath (7), described negative-pressure container (6) has container cover (16), described inElevating lever is provided with agitating device on (13), and described negative-pressure container (6) is stretched in the bottom of described agitating deviceIn, in described container cover (16), be also connected with exhaust tube (17), one end of described exhaust tube (17) withDescribed negative-pressure container (6) is communicated with.
2. asphalt theoretical maximum relative density determination instrument according to claim 1, its feature existsIn, described agitating device comprises stirring motor (14) and is connected with described stirring motor (14) output shaftStirring-head (15), described stirring motor (14) and described stirring-head (15) are placed in described elevating lever (13)Upper, described stirring-head (15) below is connected with shaft (20) and paddle (21) in turn, described in stirMix axle (20) through described container cover (16), described paddle (21) is placed in described negative-pressure container (6)In.
3. asphalt theoretical maximum relative density determination instrument according to claim 1, its feature existsIn, described constant water bath box (7) inside is provided with two draw-in grooves (5), and described negative-pressure container (6) is stuck in twoBetween individual draw-in groove (5).
4. asphalt theoretical maximum relative density determination instrument according to claim 1, its feature existsIn, described constant water bath box (7) cabinet exterior is provided with heat-insulation layer (12), and described heat-insulation layer is established in (12)There is inner bag (11).
5. asphalt theoretical maximum relative density determination instrument according to claim 1, its feature existsIn, described constant water bath box (7) top is provided with control cabinet, and described control cabinet inside is provided with circulating pump (9)And heating tube (10), top is provided with control panel (8), and described heating tube (10) stretches into described thermostatted waterIn bath cabinet (7).
6. asphalt theoretical maximum relative density determination instrument according to claim 1, its feature existsIn, described container cover (16) is glass cover.
7. asphalt theoretical maximum relative density determination instrument according to claim 1, its feature existsIn, described exhaust tube (17) is away from described elevating lever (13).
8. according to the asphalt theoretical maximum relative density determination instrument described in claim 1-7 any one,It is characterized in that, described experimental provision has two, two experimental provision structures identical and be symmetricly set on described inCasing (1) is upper, and wherein two exhaust tubes (17) close on setting.
9. asphalt theoretical maximum relative density determination instrument according to claim 8, its feature existsIn, described analyzer also comprises air extractor, described air extractor comprises vavuum pump (18) and is arranged on instituteState the vacuum meter (19) on vavuum pump (18), the other end of two exhaust tubes (17) all with described vacuumPump (18) connects.
10. asphalt theoretical maximum relative density determination instrument according to claim 9, its featureBe, also comprise and be arranged on the master switch (2) of described casing (1) front portion, the vibrations action button of bleeding groupAnd mixer action button group (4) (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135552.XU CN205246477U (en) | 2015-12-25 | 2015-12-25 | Biggest theoretical relative density apparatus of bituminous mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135552.XU CN205246477U (en) | 2015-12-25 | 2015-12-25 | Biggest theoretical relative density apparatus of bituminous mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205246477U true CN205246477U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521135552.XU Expired - Fee Related CN205246477U (en) | 2015-12-25 | 2015-12-25 | Biggest theoretical relative density apparatus of bituminous mixture |
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| Country | Link |
|---|---|
| CN (1) | CN205246477U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872356A (en) * | 2017-01-22 | 2017-06-20 | 长安大学 | A kind of experimental rig and method for testing asphaltaggregate interfacial adhesion |
| CN110044766A (en) * | 2019-04-04 | 2019-07-23 | 孟平丛 | A kind of asphalt theoretical maximum specific density tester |
| CN111157402A (en) * | 2019-06-04 | 2020-05-15 | 山东交通学院 | Method and device for measuring theoretical maximum relative density of hot recycled asphalt mixture |
-
2015
- 2015-12-25 CN CN201521135552.XU patent/CN205246477U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872356A (en) * | 2017-01-22 | 2017-06-20 | 长安大学 | A kind of experimental rig and method for testing asphaltaggregate interfacial adhesion |
| CN106872356B (en) * | 2017-01-22 | 2020-04-21 | 长安大学 | Test device and method for testing adhesion of asphalt aggregate interface |
| CN110044766A (en) * | 2019-04-04 | 2019-07-23 | 孟平丛 | A kind of asphalt theoretical maximum specific density tester |
| CN111157402A (en) * | 2019-06-04 | 2020-05-15 | 山东交通学院 | Method and device for measuring theoretical maximum relative density of hot recycled asphalt mixture |
| CN111157402B (en) * | 2019-06-04 | 2022-05-20 | 山东交通学院 | Method and device for measuring theoretical maximum relative density of hot recycled asphalt mixture |
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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: 20160518 Termination date: 20161225 |