CN210775119U - Emulsified asphalt viscosity experiment instrument - Google Patents
Emulsified asphalt viscosity experiment instrument Download PDFInfo
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- CN210775119U CN210775119U CN201921722602.2U CN201921722602U CN210775119U CN 210775119 U CN210775119 U CN 210775119U CN 201921722602 U CN201921722602 U CN 201921722602U CN 210775119 U CN210775119 U CN 210775119U
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Abstract
The utility model discloses an emulsified asphalt viscosity experiment appearance, its characterized in that: comprises a test rack (1), a measuring cup (2), an experimental container (3), a heat preservation liquid thermometer (4), a stirrer (5), a sample thermometer (6), a cork rod (7), a container cover (8), a heater (9) and a level meter (10). The utility model discloses be different from current structural design, can be used to the emulsified asphalt viscosity experiment, can optimize experimental and can improve the experiment accuracy.
Description
Technical Field
The utility model belongs to an emulsified asphalt viscosity experiment appearance.
Background
The viscosity is always an important performance index of the emulsified asphalt, and the emulsified asphalt is used for researching the performance index for controlling the asphalt working performance. And the test method for emulsified asphalt is viscosity test. The existing emulsified asphalt viscosity tester finds the following defects in the test and analyzes the defects as follows:
firstly, due to the experimental conditions and environmental limitations, when the experimental container is tested, the experimental container is not horizontally placed, and due to the inclined change, the direction and the resistance of the emulsified asphalt in the downflow process are deviated, so that the error of the experimental result is large;
secondly, because the existing measuring cup is cylindrical, the diameter of the measuring cup is equal, and the aperture is large, the error is amplified when the vision error occurs;
thirdly, because the flow rate of the emulsified asphalt in the initial part is unstable when the plug is opened, the test result is influenced,
fourth, current sample container and heat-preserving container components of a whole that can function independently set up, only have an interior sample appearance chamber in this sample container for adorn emulsified asphalt, and need put into the heat-preserving container components of a whole that can function independently with the experiment container and keep warm in the heat-preserving container, and the experiment container is put in the heat-preserving container, and the problem of the easy emergence of the sealed degree of difficulty is high and reveal exists.
SUMMERY OF THE UTILITY MODEL
In view of one or more defects in the prior art, the utility model provides an emulsified asphalt viscosity tester.
In order to achieve the above object, the utility model provides an emulsified asphalt viscosity experiment appearance, its characterized in that: comprises a test rack (1), a measuring cup (2), an experimental container (3), a heat preservation liquid thermometer (4), a stirrer (5), a sample thermometer (6), a cork rod (7), a container cover (8), a heater (9) and a level meter (10);
the test rack (1) is provided with an experiment flat disc (1-1) and a plurality of supporting legs (1-2), the upper ends of the supporting legs (1-2) are fixedly connected with the lower surface of the experiment flat disc (1-1), and the lower ends of the supporting legs (1-2) are provided with adjusting screws (1-3) or adjusting feet;
the experimental container (3) is provided with an inner sample containing cavity (3-1), an outer heat preservation liquid containing cavity (3-2) and a sample downflow channel (3-3), the sample downflow channel (3-3) is vertically arranged in the middle of the outer heat preservation liquid containing cavity (3-2), the upper port of the sample downflow channel (3-3) is communicated with the inner bottom of the inner sample containing cavity (3-1), and the experimental container (3) is horizontally arranged on the upper surface of an experimental flat disc (1-1);
the container cover (8) is covered on the experimental container (3), a heat preservation liquid thermometer (4) and a sample thermometer (6) are inserted into the container cover (8), the sensing end of the heat preservation liquid thermometer (4) is positioned in the outer heat preservation liquid containing cavity (3-2), the sensing end of the sample thermometer (6) is positioned in the inner sample containing cavity (3-1), a wood plug rod perforation (8-1) is arranged on the container cover (8), the wood plug rod (7) is arranged in the wood plug rod perforation (8-1) in a penetrating manner, and the lower end of the wood plug rod (7) can block the upper port of the sample downflow channel (3-3);
the level meter (10) is fixedly arranged on the experiment flat disc (1-1);
the measuring cup (2) is positioned right below the lower port of the lower flow channel (3-3);
the heater (9) is arranged in the outer heat-preservation liquid cavity (3-2) and can be used for heating the heat-preservation liquid (water or oil) in the outer heat-preservation liquid cavity (3-2), and the stirrer (5) is arranged in the outer heat-preservation liquid cavity (3-2) and can be used for stirring the heat-preservation liquid (water or oil) in the outer heat-preservation liquid cavity (3-2).
Preferably, the measuring cup (2) comprises a taper hole section (2-1), an upper fine hole section (2-2), an upper cavity section (2-3), a lower fine hole section (2-4) and a bottom cavity section (2-5) which are sequentially arranged from top to bottom, a first marking (2-41) is arranged on the lower fine hole section (2-4), and a second marking (2-21) is arranged on the upper fine hole section (2-2).
Preferably, the level (10) is a bubble level.
The utility model discloses beneficial effect:
firstly, the utility model is different from the existing structural design, can be used for the viscosity experiment of emulsified asphalt, can optimize the experiment and can improve the accuracy of the experiment;
secondly, the utility model discloses an adjustable experiment flat plate horizontality of adjusting screw or regulating foot, and the accessible is observed this spirit level, and then can judge whether the experiment flat plate is in the horizontality, can realize keeping the level when the experiment, applicable in different experimental conditions and environmental conditioning, adopt the horizontality to the test stand to adjust adaptively, and can make the experiment container be in the state of placing horizontally through adjusting, can solve among the prior art because the experiment container slope makes this emulsified asphalt in the downflow process direction and resistance have taken place the deviation and lead to the big technical problem of experimental result error;
third, the utility model discloses the taper hole section that can measure the cup and set gradually about having, go up the micropore section, go up and hold the chamber section, down micropore section and end hold the chamber section, be provided with first marking on should the micropore section down, be provided with the second marking on should going up the micropore section, this first marking sets up under on the micropore section, because pore diameter is little down, produced change range of height is bigger under the condition of adding the same amount emulsified asphalt, consequently can reduce visual error and the error that leads to when emulsified asphalt to first marking. Similarly, the second marked line is arranged on the upper fine hole section, and because the aperture diameter of the upper fine hole section is small, the amplitude of the height change generated under the condition of adding the same amount of emulsified asphalt is larger, the error caused by visual error can be reduced when the emulsified asphalt is added to the first marked line;
fourthly, the measuring cup of the utility model can adopt the stopwatch which is started when the emulsified asphalt sample between the first marking and the second marking flows to the first marking (50ml), and immediately press the stopwatch when reaching the second marking (100ml), and record the time s, thus solving the technical problems that the speed of the emulsified asphalt flowing down from the upper port of the sample downstream channel is not accurate and the emulsified asphalt at the initial part is unstable to influence the experimental result when the wooden plug rod is just pulled out;
fifth, the utility model discloses the interior sample of this experiment container holds chamber, outer heat preservation liquid and holds chamber and sample down-flow passage be integrated into one piece, can set up respective function respectively, can solve in the prior art that the split structure and the sealed degree of difficulty that exists is high and take place the problem of revealing easily.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the measuring cup.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
referring to fig. 1-2, an emulsified asphalt viscosity tester comprises a test frame 1, a measuring cup 2, a test container 3, a thermal insulation liquid temperature meter 4, a stirrer 5, a sample thermometer 6, a cork rod 7, a container cover 8, a heater 9 and a level gauge 10;
the test stand 1 is provided with an experiment flat disc 1-1 and a plurality of supporting legs 1-2, the upper ends of the supporting legs 1-2 are fixedly connected with the lower surface of the experiment flat disc 1-1, and the lower ends of the supporting legs 1-2 are provided with adjusting screws 1-3 or adjusting feet.
Preferably, the lower end of the leg 1-2 is provided with a threaded hole, the screw section of the adjusting screw 1-3 is in threaded fit with the threaded hole, the lower end of the screw section is provided with a hemispherical portion 1-31, and the hemispherical portion 1-31 is used for point contact with a test bed or a test ground. When the adjusting screw 1-3 is rotated, the height of the adjusting screw 1-3 changes, and meanwhile, due to point contact, the contact stability after adjustment can be guaranteed. Preferably, the number of the legs 1-2 is three, and the legs 1-2 are uniformly distributed along the circumference of the experimental flat disc 1-1, i.e. the three legs 1-2 are distributed in an equal triangular manner. Three-point support is adopted, so that the device has the characteristics of triangular stability and can prevent the problems of swinging and shaking.
In addition, the level 10 is fixedly arranged on the experiment flat disc 1-1. Thus, the level 10 can be observed to judge whether the experimental flat plate 1-1 is in a horizontal state. Therefore, the level 10 is used as a basis for judging whether the experiment flat plate 1-1 is horizontal when the experiment rack 1 is adjusted.
Therefore, the method is suitable for adjusting different experiment conditions and environments, the horizontal state of the test rack 1 is adaptively adjusted, the experiment container can be horizontally placed through adjustment, and the technical problem that the error of the experiment result is large due to the fact that the direction and the resistance of the emulsified asphalt are deviated in the downflow process due to the inclination of the experiment container in the prior art can be solved.
Preferably, the level 10 is a bubble level. The bubble level meter can adopt the existing structure, can be directly purchased and installed, and is not repeated.
The experimental container 3 comprises an outer layer and an inner layer which are arranged at intervals, a sample cavity 3-1 is arranged in the inner layer, an outer heat preservation liquid cavity 3-2 is formed between the outer layer and the inner layer, and a sample down-flow channel 3-3 is vertically arranged between the middle part in the outer layer and the middle part in the inner layer. The lower flow passage 3-3 is vertically arranged in the middle of the outer heat preservation liquid containing cavity 3-2, the upper port of the sample lower flow passage 3-3 is communicated with the inner bottom of the inner sample containing cavity 3-1, and the experimental container 3 is horizontally arranged on the upper surface of the experimental flat disc 1-1.
Referring to fig. 2, the inner sample chamber 3-1, the outer insulating liquid chamber 3-2 and the sample down-flow passage 3-3 of the experimental container 3 are integrally formed and can be respectively provided with respective functions, so that the problems of high sealing difficulty and easy leakage caused by a split structure in the prior art can be solved.
In addition, the bottom surface of the outer wall of the experimental container 3 is a horizontal plane, so that the experimental container can be conveniently and horizontally placed.
Furthermore, a plurality of positioning guide posts 3-4 are fixedly arranged at the bottom of the experimental container 3, and the positioning guide posts 3-4 are vertically arranged. The upper surface of the experiment flat disc 1-1 is fixedly provided with a plurality of positioning sleeves 1-11 which are the same with the positioning guide columns 3-4 in quantity and are matched one by one.
The positioning guide post 3-4 is inserted into the positioning sleeve 1-11 to be concentrically positioned, so that the verticality requirement between the upper surface of the experiment flat disc 1-1 and the positioning guide post 3-4 can be ensured, the verticality requirement between the lower flow channel 3-3 and the upper surface of the experiment flat disc 1-1 can be further ensured, and the lower flow channel 3-3 is vertical and in an accurate state during the experiment. In addition, the horizontal sliding displacement of the experiment container 3 is limited, and the flow caused by slight vibration or swing of the emulsified asphalt in the experiment container 3 can be prevented from interfering with the experiment result.
The container cover 8 is covered on the experimental container 3, the container cover 8 is inserted with a heat preservation liquid thermometer 4 and a sample thermometer 6, the sensing end of the heat preservation liquid thermometer 4 is positioned in the outer heat preservation liquid containing cavity 3-2, the sensing end of the sample thermometer 6 is positioned in the inner sample containing cavity 3-1, the container cover 8 is provided with a wood plug rod through hole 8-1, the wood plug rod 7 is arranged in the wood plug rod through hole 8-1 in a clearance mode, and the lower end of the wood plug rod 7 can block the upper port of the sample down flow channel 3-3.
Preferably, the lower end of the wooden plug 7 is tapered.
The measuring cup 2 is positioned right below the lower port of the lower flow passage 3-3, and the measuring cup 2 is used for receiving the emulsified asphalt flowing from the lower port of the lower flow passage 3-3.
Specifically, the measuring cup 2 can adopt a standard 50ml measuring cup 2 or a standard 100ml measuring cup 2.
The heater 9 is arranged in the external heat-preservation liquid accommodating cavity 3-2 and can be used for heating the heat-preservation liquid (such as water or oil) in the external heat-preservation liquid accommodating cavity 3-2.
Specifically, the heater 9 may be heated by a heating pipe.
In other embodiments, the outer insulating liquid cavity 3-2 may be connected to a constant temperature circulating environment-friendly insulating liquid, so as to heat the emulsified asphalt in the experimental container 3.
The stirrer 5 is arranged in the external heat-preservation liquid accommodating cavity 3-2 and can be used for stirring the heat-preservation liquid (such as water or oil) in the external heat-preservation liquid accommodating cavity 3-2. The stirrer 5 comprises a stirring paddle and a motor, wherein the stirring paddle is positioned in the outer heat preservation liquid containing cavity 3-2 and is driven by the motor to rotate. When the stirrer 5 works, the heat preservation liquid in the outer heat preservation liquid containing cavity 3-2 can be stirred and flow, so that heat of the heat preservation liquid can be quickly exchanged and the temperature of the heat preservation liquid is uniform.
In the embodiment, the measuring cup 2 comprises a taper hole section 2-1, an upper fine hole section 2-2, an upper cavity section 2-3, a lower fine hole section 2-4 and a bottom cavity section 2-5 which are arranged in sequence from top to bottom, wherein a first marked line 2-41 is arranged on the lower fine hole section 2-4, if the first marked line 2-41 corresponds to a 50ml capacity line, a second marked line 2-21 is arranged on the upper fine hole section 2-2, if the second marked line 2-21 corresponds to a 100ml capacity line. The amount of emulsified asphalt in the measuring cup 2 is 50ml when the level of emulsified asphalt in the measuring cup 2 reaches the first marked line 2-41, and the amount of emulsified asphalt in the measuring cup 2 is 100ml when the level of emulsified asphalt in the measuring cup 2 reaches the second marked line 2-21. The first marked line 2-41 is arranged on the lower fine hole section 2-4, and because the hole diameter of the lower fine hole section 2-4 is small, the height variation amplitude generated under the condition of adding the same amount of emulsified asphalt is larger, so that the error caused by visual error can be reduced when the emulsified asphalt is added to the first marked line 2-41. Similarly, the second marked line 2-21 is disposed on the upper fine hole section 2-2, and since the diameter of the upper fine hole section 2-2 is small, the height variation range generated under the condition of adding the same amount of emulsified asphalt is larger, so that the error caused by visual error can be reduced when the emulsified asphalt is added to the first marked line 2-41.
Meanwhile, the speed of the emulsified asphalt flowing down when the wooden plug rod 7 is just pulled out of the upper port of the sample flowing-down channel 3-3 is inaccurate, so that the experimental result is influenced, the measuring cup 2 can adopt a method that a stopwatch is started when the emulsified asphalt sample flows to the first marked line 2-41(50ml) between the first marked line 2-41 and the second marked line 2-21, and a stopwatch is immediately pressed when the emulsified asphalt sample reaches the second marked line 2-21(100ml), and the time s is recorded, so that the problem that the emulsified asphalt at the beginning part is unstable can be solved.
Preferably, the interlayer 300 between the inner sample cavity 3-1 and the outer insulating liquid cavity 3-2 is made of brass, which not only has very good thermal conductivity and can reduce the adhesion of emulsified asphalt, but also the inner bottom surface of the inner sample cavity 3-1 is spherical 3-11, and the inner sample cavity 3-1 flows into the lower flow passage 3-3 in a stable transition manner, so that the influence on the experimental result can be reduced to the maximum extent; meanwhile, the test sample chamber can be conveniently cleaned after the test, can be completely discharged, and avoids the residual dead angles on the inner surface of the inner sample chamber 3-1.
The outer bottom surface of the experimental container 3 is a horizontal plane, the outer wall of the lower part of the experimental container 3 is provided with a positioning rod 3-4, and the positioning rod
Preferably, the down flow path 3-3 is a brass tube whose inner wall is ground. When the downflow emulsified asphalt in the downflow channel 3-3 is in downflow, the downflow channel 3-3 is vertically arranged in the middle of the outer heat preservation liquid containing cavity 3-2, the heat preservation liquid in the outer heat preservation liquid containing cavity 3-2 can preserve heat and heat the brass tube, and meanwhile, the downflow emulsified asphalt in the downflow channel 3-3 is ensured not to be cooled down when flowing downwards, so that the viscosity is real and stable.
In addition, a stopwatch may be used to time the test. Before the test, the observation of the level 10 is required to determine whether the test plate 1-1 is in the horizontal state. If the experiment flat plate 1-1 is uneven, the experiment rack 1 can be horizontally adjusted to be horizontal by adjusting the adjusting screws 1-3 or the adjusting feet.
The utility model discloses test step and method are as follows:
firstly, the lower end of the wooden plug rod 7 is inserted into the upper port of the sample lower flow passage 3-3 to block the upper port of the sample lower flow passage 3-3;
secondly, injecting a flow emulsified asphalt sample which is sieved and preheated to be slightly higher than the specified temperature by about 2 ℃ into an inner sample cavity 3-1, injecting heat preservation liquid into an outer heat preservation liquid cavity 3-2, if the heat preservation liquid exists in the outer heat preservation liquid cavity 3-2, not injecting, covering a container cover 8, and inserting a heat preservation liquid thermometer 4 and a sample thermometer 6;
thirdly, preheating the heat preservation liquid in the outer heat preservation liquid accommodating cavity 3-2 at a temperature slightly higher than the test temperature by about 2 ℃;
fourthly, the measuring cup 2 is horizontally arranged right below the lower flow passage 3-3;
fifthly, simultaneously starting the heater 9 and the stirrer 5 to work, wherein the heater 9 is mainly used for heating the heat preservation liquid (such as water or oil) in the external heat preservation liquid containing cavity 3-2, so that the emulsified asphalt in the sample containing cavity 3-1 is kept in the range required by the test temperature, and the temperature is prevented from being reduced in the experimental process;
sixthly, when the temperature of the emulsified asphalt sample reaches the testing temperature and is kept for 2min, quickly pulling up the cork rod 7, and starting to collect the emulsified asphalt flowing downwards from the lower flow channel 3-3 by the measuring cup 2;
seventh, start the stopwatch when the emulsified asphalt sample flows to the first marked line 2-41(50ml), and when the second marked line 2-21(100ml) is reached, immediately press the stop seconds table and remember the time s.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (3)
1. The utility model provides an emulsified asphalt viscosity experiment appearance which characterized in that: comprises a test rack (1), a measuring cup (2), an experimental container (3), a heat preservation liquid thermometer (4), a stirrer (5), a sample thermometer (6), a cork rod (7), a container cover (8), a heater (9) and a level meter (10);
the test rack (1) is provided with an experiment flat disc (1-1) and a plurality of supporting legs (1-2), the upper ends of the supporting legs (1-2) are fixedly connected with the lower surface of the experiment flat disc (1-1), and the lower ends of the supporting legs (1-2) are provided with adjusting screws (1-3) or adjusting feet;
the experimental container (3) is provided with an inner sample containing cavity (3-1), an outer heat preservation liquid containing cavity (3-2) and a sample downflow channel (3-3), the sample downflow channel (3-3) is vertically arranged in the middle of the outer heat preservation liquid containing cavity (3-2), the upper port of the sample downflow channel (3-3) is communicated with the inner bottom of the inner sample containing cavity (3-1), and the experimental container (3) is horizontally arranged on the upper surface of an experimental flat disc (1-1);
the container cover (8) is covered on the experimental container (3), a heat preservation liquid thermometer (4) and a sample thermometer (6) are inserted into the container cover (8), the sensing end of the heat preservation liquid thermometer (4) is positioned in the outer heat preservation liquid containing cavity (3-2), the sensing end of the sample thermometer (6) is positioned in the inner sample containing cavity (3-1), a wood plug rod perforation (8-1) is arranged on the container cover (8), the wood plug rod (7) is arranged in the wood plug rod perforation (8-1) in a penetrating manner, and the lower end of the wood plug rod (7) can block the upper port of the sample downflow channel (3-3);
the level meter (10) is fixedly arranged on the experiment flat disc (1-1);
the measuring cup (2) is positioned right below the lower port of the lower flow channel (3-3);
the heater (9) is arranged in the outer heat-preservation liquid accommodating cavity (3-2) and can be used for heating the heat-preservation liquid in the outer heat-preservation liquid accommodating cavity (3-2), and the stirrer (5) is arranged in the outer heat-preservation liquid accommodating cavity (3-2) and can be used for stirring the heat-preservation liquid in the outer heat-preservation liquid accommodating cavity (3-2).
2. The emulsified asphalt viscosity tester as claimed in claim 1, wherein: the measuring cup (2) comprises a taper hole section (2-1), an upper fine hole section (2-2), an upper cavity section (2-3), a lower fine hole section (2-4) and a bottom cavity section (2-5) which are sequentially arranged from top to bottom, a first marking (2-41) is arranged on the lower fine hole section (2-4), and a second marking (2-21) is arranged on the upper fine hole section (2-2).
3. The emulsified asphalt viscosity tester as claimed in claim 1 or 2, wherein: the level (10) adopts a bubble level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921722602.2U CN210775119U (en) | 2019-10-15 | 2019-10-15 | Emulsified asphalt viscosity experiment instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921722602.2U CN210775119U (en) | 2019-10-15 | 2019-10-15 | Emulsified asphalt viscosity experiment instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210775119U true CN210775119U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921722602.2U Active CN210775119U (en) | 2019-10-15 | 2019-10-15 | Emulsified asphalt viscosity experiment instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210775119U (en) |
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2019
- 2019-10-15 CN CN201921722602.2U patent/CN210775119U/en active Active
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