CN208653964U - A kind of asphalt maximum theory density instrument - Google Patents
A kind of asphalt maximum theory density instrument Download PDFInfo
- Publication number
- CN208653964U CN208653964U CN201821201837.2U CN201821201837U CN208653964U CN 208653964 U CN208653964 U CN 208653964U CN 201821201837 U CN201821201837 U CN 201821201837U CN 208653964 U CN208653964 U CN 208653964U
- Authority
- CN
- China
- Prior art keywords
- negative
- container
- pressure
- pressure container
- thermostatic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010426 asphalt Substances 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 abstract description 12
- 238000012360 testing method Methods 0.000 abstract description 10
- 239000012257 stirred material Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003230 hygroscopic agent Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a kind of asphalt maximum theory density instrument, including bracket, shake table, negative-pressure container, vacuum evacuation device, the thermostatic container layer for being set to negative-pressure container periphery, the water inlet being set at the top of thermostatic container layer, the water outlet of bottom, the temperature sensor being set in thermostatic container layer, pressure gauge and electric heater；Agitating device is provided in negative-pressure container, agitating device includes being set to agitating shaft, several stirrer gear units and stirring motor, and the lower part of stirrer gear unit is in up-side down triangle.Material to be tested is placed in the negative-pressure container, and agitating device is stirred material, by bubble removal therein, it can be ensured that bubble 99% removes, so that test result is more accurate；Thermostatic container layer is used to heat the material in negative-pressure container, it is ensured that temperature of charge is constant, to improve the accuracy of test.
Description
Technical field
The utility model relates to testing of materials instrument technical field more particularly to a kind of asphalt maximum theory densities
Instrument.
Background technique
Asphalt is the general name that mixture made of stirring is combined as mineral aggregate and pitch, is widely used in road work
Cheng Zhong, asphalt theoretical maximum specific density are the important indicators of asphalt, it is therefore desirable to are measured.
When using the theoretical maximum density of asphalt maximum theory density instrument measurement modified asphalt mixture, due to
Ameliorative asphalt viscosity is larger, and mixture is in bulk, it is difficult to separated and shake table vibration, it is difficult to will be in asphalt
Bubble eliminate, easily adhere on container inner wall, influence experimental result.Temperature in addition, in some severe cold areas, when test
Also it will affect test result.
Utility model content
The technical issues of the utility model is solved is to provide a kind of asphalt maximum theory density instrument.
The utility model provides a kind of asphalt maximum theory density instrument, including bracket, is installed on the bracket
Shake table, be set on the shake table negative-pressure container, be connected with the negative-pressure container vacuum evacuation device, be set to institute
It states the thermostatic container layer of negative-pressure container periphery, the water inlet being set at the top of the thermostatic container layer, be set to the constant temperature appearance
The water outlet of device layer bottom, temperature sensor, pressure gauge and the electric heater being set in the thermostatic container layer；It is described negative
Agitating device is provided in pressure vessel, the agitating device includes the agitating shaft being set on the negative-pressure container, is set to institute
State several stirrer gear units on agitating shaft and the stirring motor of the driving agitating shaft rotation, several stirrer gear units
Connecting rod including stirrer gear and the connection stirrer gear outer end, the lower part of stirrer gear unit are in up-side down triangle.
Further, the vacuum evacuation device includes the exhaust tube being connected with the negative-pressure container and the exhaust tube
Connected air exhauster, the negative pressure switch and dehumidifying unit being set on the exhaust tube, the negative pressure switch are located at close to described
One end of negative-pressure container.
Further, the bottom of the negative-pressure container is provided with discharge port, be provided at the top of the negative-pressure container into
Material mouth.
Further, the negative-pressure container includes two, and the thermostatic container layer includes two, and two constant temperature hold
Device layer is located at the periphery of the negative-pressure container.
The asphalt maximum theory density instrument of the utility model, material to be tested are placed on the negative-pressure container
In, the agitating device is stirred material, by bubble removal therein, specifically, stirring described in stirring motor driving
Axis rotation is mixed, several stirrer gear unit rotationals are driven, several stirrer gear units come into full contact with material, it can be ensured that
Bubble 99% removes, so that test result is more accurate；The thermostatic container layer is for adding the material in the negative-pressure container
Heat, it is ensured that temperature of charge is constant, to improve the accuracy of test, the electric heater is for adding the thermostatic container layer water
Heat, the temperature sensor detect the temperature of water in the thermostatic container layer, when temperature is lower than setting value, the electric heater
Heating, when temperature is higher than setting value, the electric heater stops heating, easy to control.
Detailed description of the invention
Fig. 1 is the schematic diagram of the asphalt maximum theory density instrument of the utility model；
In the figure, it is marked as bracket 1, shake table 2, negative-pressure container 3, discharge port 31, feed inlet 32, vacuum evacuation device 4, pumping
Pipe 41, air exhauster 42, negative pressure switch 43, dehumidifying unit 44, thermostatic container layer 5, water inlet pipe 51, outlet pipe 52, temperature sensor
53, pressure gauge 54, electric heater 55, agitating device 6, agitating shaft 61, stirrer gear unit 62 states stirrer gear 621, connecting rod 622,
Stirring motor 63.
Specific embodiment
The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this
Novel limitation.
As shown in Figure 1, the utility model provides a kind of asphalt maximum theory density instrument, including bracket 1, it is installed on
Shake table 2 on the bracket 1, the negative-pressure container 3 being set on the shake table 2, the pumping being connected with the negative-pressure container 3 are true
Empty device 4, the thermostatic container layer 5 for being set to 3 periphery of negative-pressure container, the water inlet for being set to 5 top of thermostatic container layer
Mouth 51, the water outlet 52 for being set to 5 bottom of thermostatic container layer, the temperature sensor being set in the thermostatic container layer 5
53, pressure gauge 54 and electric heater 55；Agitating device 6 is provided in the negative-pressure container 3, the agitating device 6 includes setting
The agitating shaft 61 that is placed on the negative-pressure container 3, several stirrer gear units 62 being set on the agitating shaft 61 and driving
The stirring motor 63 that the agitating shaft 61 rotates, several stirrer gear units 62 include stirrer gear 621 and the connection stirring
The connecting rod 622 of 621 outer end of tooth, the lower part of stirrer gear unit 62 are in up-side down triangle.Material to be tested is placed on the negative pressure
In container 3, the agitating device 6 is stirred material, by bubble removal therein, specifically, the stirring motor 63 drives
It moves the agitating shaft 61 to rotate, drives several stirrer gear units 62 to rotate, several stirrer gear units 62 are filled with material
Tap touching, it can be ensured that bubble 99% removes, so that test result is more accurate；The thermostatic container layer 5 is used for described negative
Material heating in pressure vessel 3, it is ensured that temperature of charge is constant, to improve the accuracy of test, the electric heater 55 is used for
5 water of thermostatic container layer is heated, the temperature sensor 53 detects the temperature of water in the thermostatic container layer 5, works as temperature
When lower than setting value, the electric heater 55 is heated, and when temperature is higher than setting value, the electric heater 55 stops heating, control
System is convenient.
The vacuum evacuation device 4 includes the exhaust tube 41 being connected with the negative-pressure container 3, is connected with the exhaust tube 41
Air exhauster 42, the negative pressure switch 43 and dehumidifying unit 44 being set on the exhaust tube 41, the negative pressure switch position 43 is in close
One end of the negative-pressure container 3.The dehumidifying unit 44 can be hygroscopic agent, in vacuum, prevent the negative pressure from holding
Steam in device 3 enters in the vacuum evacuation device 4；The negative pressure switch 43 is opened, and just can be carried out the movement vacuumized, can be with
It avoids when not vacuumizing, the dehumidifying unit 44 carries out the movement of moisture absorption.
The bottom of the negative-pressure container 3 is provided with discharge port 31, and the top of the negative-pressure container 3 is provided with feed inlet 32.
The negative-pressure container 3 includes two, and the thermostatic container layer 5 includes two, and two thermostatic container layers 5 are distinguished
Positioned at the periphery of the negative-pressure container 3.
The asphalt maximum theory density instrument of the utility model, material to be tested are placed on the negative-pressure container 3
In, the agitating device 6 is stirred material, by bubble removal therein, specifically, the stirring motor 63 drive it is described
Agitating shaft 61 rotates, and several stirrer gear units 62 is driven to rotate, and several stirrer gear units 62 come into full contact with material,
It may insure that bubble 99% removes, so that test result is more accurate；The thermostatic container layer 5 is used for the negative-pressure container 3
In material heating, it is ensured that temperature of charge is constant, to improve the accuracy of test, the electric heater 55 is used for the perseverance
Warm 5 water of container floor heating, the temperature sensor 53 detect the temperature of water in the thermostatic container layer 5, when temperature is lower than setting
When value, the electric heater 55 is heated, and when temperature is higher than setting value, the electric heater 55 stops heating, easy to control.
The above is only the most preferred embodiment of the utility model, is not made in any form to the utility model
Limitation, anyone skilled in the art, in the case where not departing from technical solutions of the utility model ambit, utilization is above-mentioned
The method content of announcement makes many possible changes and modifications to technical solutions of the utility model, belongs to claim protection
Range.
Claims (4)
1. a kind of asphalt maximum theory density instrument, it is characterised in that: including bracket, the vibration being installed on the bracket
Platform, the vacuum evacuation device being connected with the negative-pressure container, is set to the negative pressure at the negative-pressure container being set on the shake table
The thermostatic container layer of container periphery, is set to thermostatic container layer bottom at the water inlet being set at the top of the thermostatic container layer
The water outlet in portion, temperature sensor, pressure gauge and the electric heater being set in the thermostatic container layer；The negative-pressure container
In be provided with agitating device, the agitating device includes the agitating shaft being set on the negative-pressure container, is set to the stirring
The stirring motor of several stirrer gear units and driving the agitating shaft rotation on axis, several stirrer gear units include stirring
Teeth and the connecting rod for connecting the stirrer gear outer end, the lower part of stirrer gear unit are in up-side down triangle.
2. asphalt maximum theory density instrument as described in claim 1, it is characterised in that: the vacuum evacuation device includes
The exhaust tube that is connected with the negative-pressure container, the air exhauster being connected with the exhaust tube, the negative pressure being set on the exhaust tube
Switch and dehumidifying unit, the negative pressure switch are located at close to one end of the negative-pressure container.
3. asphalt maximum theory density instrument as described in claim 1, it is characterised in that: the bottom of the negative-pressure container
It is provided with discharge port, is provided with feed inlet at the top of the negative-pressure container.
4. asphalt maximum theory density instrument as described in claim 1, it is characterised in that: the negative-pressure container includes two
A, the thermostatic container layer includes two, and two thermostatic container layers are located at the periphery of the negative-pressure container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821201837.2U CN208653964U (en) | 2018-07-26 | 2018-07-26 | A kind of asphalt maximum theory density instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821201837.2U CN208653964U (en) | 2018-07-26 | 2018-07-26 | A kind of asphalt maximum theory density instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208653964U true CN208653964U (en) | 2019-03-26 |
Family
ID=65786572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821201837.2U Expired - Fee Related CN208653964U (en) | 2018-07-26 | 2018-07-26 | A kind of asphalt maximum theory density instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208653964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-07-26 CN CN201821201837.2U patent/CN208653964U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
|---|---|---|---|
| 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: 20190326 |