CN202661469U - Self-melt-snow road surface salinization matter precipitation regulation evaluation device considering load effects - Google Patents
Self-melt-snow road surface salinization matter precipitation regulation evaluation device considering load effects Download PDFInfo
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- CN202661469U CN202661469U CN 201220318596 CN201220318596U CN202661469U CN 202661469 U CN202661469 U CN 202661469U CN 201220318596 CN201220318596 CN 201220318596 CN 201220318596 U CN201220318596 U CN 201220318596U CN 202661469 U CN202661469 U CN 202661469U
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Abstract
A self-melt-snow road surface salinization matter precipitation regulation evaluation device considering load effects comprises a loading component, an automatic control component, a temperature control component and a testing component, wherein the loading component and the automatic control component are arranged on the upper portion of a testing table, and the temperature control component and the testing component are arranged inside the testing table. The self-melt-snow road surface salinization matter precipitation regulation evaluation device can reasonably simulate a bituminous road surface salinization matter precipitation regulation under coupling effects of temperature, water and loads in actual situations, adjust loads exerting on a static pressure testing piece and simulate different traffic flows of the road. Simultaneously two stirring paddles are arranged in a water bath tank to guarantee equilibrium distribution of water temperature and salinization matter concentration at any time and reduce measuring errors. Two concentration meters are arranged in the water bath tank, an average value of the two concentration meters is used for reducing the measuring errors during measurement.
Description
Technical field
The utility model belongs to the road engineering field, relate to a kind of in snow-melting asphalt pavement test and the evaluation device of salt Precipitation Behavior, especially a kind of consider load action from snow melt road surface salt Precipitation Behavior evaluating apparatus.
Background technology
The cling property that bituminous pavement is good is the key factor that guarantees vehicle safe driving.But in the winter time, the icing phenomenon of road snow is comparatively common, and pavement skid resistance condition sharply descends.Ice and snow causes the attachment coefficient between vehicle tyre and the road surface greatly to reduce, and automobile easily skids, sideslip, and the braking distance significant prolongation has had a strong impact on operational stability and the security of vehicle, causes the traffic hazard incidence higher.The salt snow-melting asphalt pavement refers to directly mix in asphalt has the salt that reduces the sleet freezing point, forms to have automatically to reach the initiatively road surface of snow melting function.
Domesticly lack system accurately method of testing and deliberated index for salt from snow melt road surface salt Precipitation Behavior.Lee of Chang An University deposits " a kind of salt is from the snow melt road surface long-term Thaw performance simulation evaluation device " of invention such as the strong people of grade, only considers the long-term Thaw performance in snow melt road surface from temperature and water two aspects, has obviously ignored the vital role of vehicular load to the salt stripping.
The utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, provide a kind of consider load action from snow melt road surface salt Precipitation Behavior evaluating apparatus, this device has been considered temperature, water and load three's coupling, and test is more reasonable with evaluation salt Precipitation Behavior in snow-melting asphalt pavement.
The purpose of this utility model solves by the following technical programs:
A kind of consider load action from snow melt road surface salt Precipitation Behavior evaluating apparatus, comprise the loading component and the automatic control component that are arranged on testing table top, and the temperature control parts and the test component that are arranged on testing table inside.
Above-mentioned loading component comprises motor, is arranged on the rotating shaft on the motor output shaft, and fixed mount; Be provided with the limit collar that limits its swing in the described rotating shaft, and two post limits of fixed mount are crossed in rotating shaft; Be provided with perpendicular loading axle in the described rotating shaft, described rotating shaft with load axle and link to each other by being arranged on the loading wheel and the stressed ring that load on the axle, the upper end of described loading axle and be provided with the axle collar that prevents its swing, the lower end is provided with annular with slide glass; The described axle collar is fixed on the fixed mount.
Above-mentioned automatic control component and loading component are arranged on the testing table take the loading axle as axis of symmetry; Be disposed with concentration display screen, motor switch, stirring oar switch, temperature control button and load button on the described automatic control component.
Above-mentioned temperature control parts comprise water bath and are arranged on the stirring oar of water bath bottom and the case lid that is arranged on the water bath top; The below of described water bath is provided with hydraulic elevator platform.
The profile of above-mentioned water bath is right cylinder; Be symmetrically arranged with two stirring oars in the described water bath.
Above-mentioned test component comprises the densimeter that is arranged on the water bath inwall and the sleeve that is arranged on water bath inside, and the bottom of described sleeve is provided with the static pressure event; The inside of described water bath is provided with the stationary magazine creel of fixed muffle.
Be provided with two densimeters in the above-mentioned water bath.
The utility model is the Precipitation Behavior of salt in the bituminous pavement under simulating actual conditions temperature, water and the load three coupling reasonably, regulates the size that is applied to load on the static pressure test specimen, simulated roadway Different Traffic Flows amount; Be provided with two stirring oars in the water bath simultaneously, can guarantee at any time the equiblibrium mass distribution of water temperature and salt concentration, Reduce measurement error; Be provided with two densimeters in the water bath, get two densimeter mean values during measurement, can Reduce measurement error.
Description of drawings
Fig. 1 is sectional view of the present utility model.
Wherein: 1 is the concentration display screen; 2 is motor switch; 3 for stirring switch; 4 are the temperature control button; 5 are rotating shaft; 6 is limit collar; 7 is fixed mount; 8 is the axle collar; 9 for loading wheel; 10 is motor; 11 is stressed ring; 12 for loading axle; 13 is sleeve; 14 is densimeter; 15 is water bath; 16 is stationary magazine creel; 17 for annular with slide glass; 18 is the static pressure event; 19 for stirring oar; 20 is testing table; 21 is hydraulic elevator platform; 22 is the load button; 23 is case lid.
Embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
Referring to Fig. 1, this consideration load action from snow melt road surface salt Precipitation Behavior evaluating apparatus, comprise the loading component and the automatic control component that are arranged on testing table 20 tops, and the temperature control parts and the test component that are arranged on testing table 20 inside.
Above-mentioned loading component comprises motor 10, is arranged on the rotating shaft 5 on motor 10 output shafts, and fixed mount 7; Be provided with the limit collar 6 that limits its swing in the described rotating shaft 5, and two post limits of fixed mount 7 are crossed in rotating shaft 5; Be provided with perpendicular loading axle 12 in the described rotating shaft 5, described rotating shaft 5 links to each other by being arranged on the loading wheel 9 and the stressed ring 11 that load on the axle 12 with loading axle 12, the upper end of described loading axle 12 be provided with the axle collar 8 that prevents its swing, the lower end is provided with annular with slide glass 17; The described axle collar 8 is fixed on the fixed mount 7.Automatic control component and loading component are arranged on the testing table 20 take loading axle 12 as axis of symmetry; Be disposed with concentration display screen 1, motor switch 2 on the described automatic control component, stir oar switch 3, temperature control button 4 and load button 22.The temperature control parts comprise water bath 15 and the case lid 23 that is arranged on the stirring oar 19 of water bath 15 bottoms and is arranged on water bath 15 tops; The below of described water bath 15 is provided with hydraulic elevator platform 21.The profile of water bath 15 is right cylinder; Be symmetrically arranged with two stirring oars 19 in the described water bath 15.Test component comprises the densimeter 14 that is arranged on water bath 15 inwalls and the sleeve 13 that is arranged on water bath 15 inside, and the bottom of described sleeve 13 is provided with static pressure event 18; The inside of described water bath 15 is provided with the stationary magazine creel 16 of fixed muffle 13.Be provided with two densimeters 14 in the water bath 15.
Concrete operation step is as follows:
To the water of water bath 15 interior injection known volume, approximately exceed sleeve 70mm, rotate temperature control button 4 and regulate needed test water temperature, open and stir oar switch 3, make and stir oar 19 rotations; Behind the water temperature stability, static pressure event 18 and sleeve 13 thereof are put in the stationary magazine creel 16, wherein static pressure event 18 lower surfaces should be concordant with sleeve 13 lower limbs, and static pressure event 18 lower surfaces will be coated with the skim waterproof material, prevents that moisture from immersing; Regulate rotating shaft 5, make loading wheel 9 be positioned at stressed ring 11 bottom, regulate load button 22, obtain testing required load.Hydraulic elevator platform 21 started also and moved up this moment, and after static pressure event 18 contacted with slide glass 17 with annular and makes pressure reach setup pressure value, hydraulic elevator platform 21 stopped rising automatically; Open motor switch 2, motor 10 drives and loads wheel 9 rotations, and annular applies cyclic load with 17 pairs of static pressure events 18 of slide glass; Concentration display screen 1 will show the concentration of salt solution.Record at regular intervals salt concentration.Obtain required experimental data.
Claims (7)
- One kind consider load action from snow melt road surface salt Precipitation Behavior evaluating apparatus, it is characterized in that: comprise the loading component and the automatic control component that are arranged on testing table (20) top, and be arranged on testing table (20) inner temperature control parts and test component.
- According to claim 1 a kind of consider load action from snow melt road surface salt Precipitation Behavior evaluating apparatus, it is characterized in that: described loading component comprises motor (10), be arranged on the rotating shaft (5) on motor (10) output shaft, and fixed mount (7); Be provided with the limit collar (6) that limits its swing in the described rotating shaft (5), and two post limits of fixed mount (7) are crossed in rotating shaft (5); Be provided with perpendicular loading axle (12) in the described rotating shaft (5), described rotating shaft (5) links to each other by being arranged on the loading wheel (9) and the stressed ring (11) that load on the axle (12) with loading axle (12), the upper end of described loading axle (12) be provided with the axle collar (8) that prevents its swing, the lower end is provided with annular with slide glass (17); The described axle collar (8) is fixed on the fixed mount (7).
- According to claim 1 a kind of consider load action from snow melt road surface salt Precipitation Behavior evaluating apparatus, it is characterized in that: described automatic control component and loading component are arranged on the testing table (20) as axis of symmetry to load axle (12); Be disposed with concentration display screen (1), motor switch (2) on the described automatic control component, stir oar switch (3), temperature control button (4) and load button (22).
- According to claim 1 a kind of consider load action from snow melt road surface salt Precipitation Behavior evaluating apparatus, it is characterized in that: described temperature control parts comprise water bath (15) and are arranged on the stirring oar (19) of water bath (15) bottom and the case lid (23) that is arranged on water bath (15) top; The below of described water bath (15) is provided with hydraulic elevator platform (21).
- According to claim 4 a kind of consider load action from snow melt road surface salt Precipitation Behavior evaluating apparatus, it is characterized in that: the profile of described water bath (15) is right cylinder; Be symmetrically arranged with two stirring oars (19) in the described water bath (15).
- According to claim 1 a kind of consider load action from snow melt road surface salt Precipitation Behavior evaluating apparatus, it is characterized in that: the sleeve (13) that described test component comprises the densimeter (14) that is arranged on water bath (15) inwall and is arranged on water bath (15) inside, the bottom of described sleeve (13) is provided with static pressure event (18); The inside of described water bath (15) is provided with the stationary magazine creel (16) of fixed muffle (13).
- According to claim 6 a kind of consider load action from snow melt road surface salt Precipitation Behavior evaluating apparatus, it is characterized in that: be provided with two densimeters (14) in the described water bath (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318596 CN202661469U (en) | 2012-07-03 | 2012-07-03 | Self-melt-snow road surface salinization matter precipitation regulation evaluation device considering load effects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318596 CN202661469U (en) | 2012-07-03 | 2012-07-03 | Self-melt-snow road surface salinization matter precipitation regulation evaluation device considering load effects |
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| Publication Number | Publication Date |
|---|---|
| CN202661469U true CN202661469U (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220318596 Expired - Fee Related CN202661469U (en) | 2012-07-03 | 2012-07-03 | Self-melt-snow road surface salinization matter precipitation regulation evaluation device considering load effects |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959253A (en) * | 2017-05-27 | 2017-07-18 | 长安大学 | A kind of asphalt moves water salt corrosion test device and test method |
-
2012
- 2012-07-03 CN CN 201220318596 patent/CN202661469U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959253A (en) * | 2017-05-27 | 2017-07-18 | 长安大学 | A kind of asphalt moves water salt corrosion test device and test 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: 20130109 Termination date: 20160703 |