CN216309704U - Full-automatic high-precision asphalt penetrometer - Google Patents
Full-automatic high-precision asphalt penetrometer Download PDFInfo
- Publication number
- CN216309704U CN216309704U CN202120909957.3U CN202120909957U CN216309704U CN 216309704 U CN216309704 U CN 216309704U CN 202120909957 U CN202120909957 U CN 202120909957U CN 216309704 U CN216309704 U CN 216309704U
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- cantilever
- needle
- bottom glass
- automatic high
- vessel
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- 239000010426 asphalt Substances 0.000 title claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000012360 testing method Methods 0.000 claims abstract description 30
- 239000011521 glass Substances 0.000 claims abstract description 20
- 230000006698 induction Effects 0.000 claims abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
The utility model provides a full-automatic high accuracy pitch penetrometer. It comprises a controller; the lifting device is fixed on the controller through a bracket and also comprises a coarse screw adjusting wheel; the coarse screw adjusting wheel is connected with the bracket and the cantilever through a mechanical gear device to realize the manual coarse adjustment of the cantilever; the mechanical gear device is also connected with the motor to realize automatic fine adjustment of the cantilever. The electric scale is connected to the lower side of the cantilever and is connected with a standard test needle downwards through a needle connecting rod; the weight is loaded on the electric scale; a sample containing vessel is arranged right below the standard test needle, and a flat-bottom glass vessel is arranged in the sample containing vessel; a water inlet pipe and a water outlet pipe are connected between the sample container and the circulating water bath tank; the infrared emitter and the infrared inductor are arranged into a photoelectric induction coil along the center of the inner wall of the flat-bottom glass vessel, and the photoelectric induction coil is connected with a guide rail extending upwards. Compared with the prior art, the method can eliminate the influence of objective factors of manual operation to the maximum extent, and improve the accuracy of the test.
Description
Technical Field
The utility model relates to the technical field of asphalt performance testing devices, and particularly provides a full-automatic high-precision asphalt penetrometer.
Background
The penetration degree of the asphalt is an index for representing the condition viscosity of the asphalt and is also a basis for dividing asphalt labels in China. The experiment specifically operates as follows: the standard needle with a certain weight is vertically penetrated into the depth of the sample within the specified temperature and time, and the needle penetration meter is a key instrument for measuring the asphalt penetration.
The existing partial asphalt penetrometer has high operation requirements on testers when in use, and the testers are required to observe the contact condition of a needle point and the surface of an asphalt sample through a mirror or a spotlight. The manual needle alignment is not only low in efficiency, but also has large influence factors and large influence on the reliability of the measuring result. During the needle insertion process, either the needle tip is not in contact with the sample surface or the needle tip is already inserted into the sample surface, it is difficult to control to reach a critical state where the needle tip is just in contact with the sample. In addition, after the test is finished, the test needle recording data needs to be manually clamped by a tester, so that errors caused by manual operation errors are easily generated.
Disclosure of Invention
In order to solve the technical problems: the utility model provides a full-automatic high-precision asphalt penetrometer which can eliminate the influence of objective factors of manual operation to the maximum extent and improve the accuracy of tests.
The utility model relates to a full-automatic high-precision asphalt penetrometer, which comprises a controller 1; the lifting device is fixed on the controller 1 through a bracket 5 and also comprises a coarse screw adjusting wheel 9; the coarse screw adjusting wheel 9 is connected with the bracket 5 and the cantilever 17 through a mechanical gear device to realize the manual coarse adjustment of the cantilever; the mechanical gear device is also connected with the motor 10 to realize the automatic fine adjustment of the cantilever. The electric scale 8 is connected to the lower side of the cantilever 17 and is connected with a standard test needle 6 downwards through a needle connecting rod; the weight 7 is loaded on the electric scale 8; a sample containing vessel 3 is arranged under the standard test needle 6, and a flat-bottom glass vessel 4 is arranged in the sample containing vessel 3; a water inlet pipe 11 and a water outlet pipe 12 are connected between the sample container 3 and the circulating water bath tank 13; the infrared emitter 15 and the infrared sensor 16 are arranged along the center of the inner wall of the flat bottom glass plate 4 as a photoelectric sensing coil, which is connected with the guide rail 14 extending upward.
The controller 1 comprises a power switch, an LED digital display screen 2, an automatic timing device, a start key and a reset key.
The capacity of the circulating water bath box 13 is more than 10L, and the temperature control accuracy is 0.1 ℃; the water inlet pipe 11 and the water outlet pipe 12 are both made of stainless steel corrugated pipes.
The infrared emitters 15 and the infrared sensors 16 are alternately arranged to form a photoelectric sensing coil along the center of the inner wall of the flat bottom glass plate 4.
The infrared emitter 15 and the infrared sensor 16 are each formed in a half-turn, and are disposed as a photoelectric sensing coil along the center of the inner wall of the flat bottom glass vessel 4.
The test steps of the full-automatic high-precision asphalt penetrometer are as follows: (1) cooling the prepared sample at room temperature for 1.5h (a small sample containing vessel), and adjusting the height of the photoelectric induction coil on the sample containing vessel to ensure that the infrared ray emitted by the emitter is just flush with the surface of the asphalt test piece and the laser correlation switch is just not triggered; (2) and opening a circulating water bath switch, setting the test temperature, and putting the sample vessel for heat preservation after the display temperature of the display screen meets the requirement and keeps stable. (3) After the temperature is kept for 1.5 hours (small sample vessel), a controller switch is turned on, the sample vessel is moved into a flat-bottom glass vessel after the temperature is displayed by a display screen to reach the test temperature, and the depth of a water layer above the surface of the sample is not less than 10 mm; (4) firstly, a coarse screw adjusting wheel of a lifting system is rotated, the cantilever is manually and slowly descended until the distance between the needle point of the standard needle and the surface of the sample is 3-5cm, and then a start key is pressed, so that the cantilever automatically and slowly descends. When the needle rod is lowered to the critical value, the needle rod is automatically stopped, the needle rod is released for penetration, and the reading is automatically carried out after 5 seconds of timing. (5) After the LED digital display screen displays the displacement, a reset key is pressed, the cantilever automatically ascends, the standard needle is replaced, and then the parallel test is carried out twice.
Compared with the prior art, the method modifies the penetrometer, eliminates the influence of objective factors of manual operation to the maximum extent, improves the accuracy of the test, and has the following advantages: (1) the circulating water bath is connected with the modified flat-bottom glass vessel, and the temperature control switch is arranged, so that the requirements of different penetration test temperatures are met, and the integration of penetration sample maintenance and test is realized; (2) the critical value of the contact surface of the standard needle and the test piece is accurately identified through the electro-optical induction device, so that the influence of manual operation is greatly reduced, and the accuracy of a detection result is improved; (3) the automatic displacement measurement of the standard needle is realized after the needle penetration falls for 5s, the influence of manual operation on the result is avoided, and the detection efficiency is improved.
Description of the drawings:
FIG. 1 is a schematic view of a penetrometer configuration. Fig. 2 is a control display screen pattern. Fig. 3 shows the arrangement of the photoelectric induction coil in the embodiment 1. Fig. 4 shows the arrangement scheme of the photoelectric induction coil in the embodiment 2. The device comprises a controller-1, an LED digital display screen-2, a sample container-3, a flat-bottom glass container-4, a support-5, a standard test needle-6, a weight-7, an electric scale-8, a coarse screw adjusting wheel-9, a motor-10, a water inlet pipe-11, a water outlet pipe-12, a circulating water bath box-13, a guide rail-14, an infrared emitter-15, an infrared sensor-16 and a cantilever-17.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully and in detail below with reference to the accompanying drawings and examples, but the scope of the present invention is not limited to the following specific examples. Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
Example 1
The full-automatic high-precision asphalt penetrometer comprises a controller 1; the lifting device is fixed on the controller 1 through a bracket 5 and also comprises a coarse screw adjusting wheel 9; the coarse screw adjusting wheel 9 is connected with the bracket 5 and the cantilever 17 through a mechanical gear device to realize the manual coarse adjustment of the cantilever; the mechanical gear device is also connected with the motor 10 to realize the automatic fine adjustment of the cantilever. The electric scale 8 is connected to the lower side of the cantilever 17 and is connected with a standard test needle 6 downwards through a needle connecting rod; the weight 7 is loaded on the electric scale 8; a sample containing vessel 3 is arranged under the standard test needle 6, and a flat-bottom glass vessel 4 is arranged in the sample containing vessel 3; a water inlet pipe 11 and a water outlet pipe 12 are connected between the sample container 3 and the circulating water bath tank 13; the infrared emitter 15 and the infrared sensor 16 are arranged along the center of the inner wall of the flat bottom glass plate 4 as a photoelectric sensing coil, which is connected with the guide rail 14 extending upward. The controller 1 comprises a power switch, an LED digital display screen, an automatic timing device, a start key and a reset key. The capacity of the circulating water bath box 13 is more than 10L, and the temperature control accuracy is 0.1 ℃; the water inlet pipe 11 and the water outlet pipe 12 are both made of stainless steel corrugated pipes. The infrared emitter 15 and the infrared sensor 16 are each formed in a half-turn, and are disposed as a photoelectric sensing coil along the center of the inner wall of the flat bottom glass vessel 4.
Example 2
The full-automatic high-precision asphalt penetrometer comprises a controller 1; the lifting device is fixed on the controller 1 through a bracket 5 and also comprises a coarse screw adjusting wheel 9; the coarse screw adjusting wheel 9 is connected with the bracket 5 and the cantilever 17 through a mechanical gear device to realize the manual coarse adjustment of the cantilever; the mechanical gear device is also connected with the motor 10 to realize the automatic fine adjustment of the cantilever. The electric scale 8 is connected to the lower side of the cantilever 17 and is connected with a standard test needle 6 downwards through a needle connecting rod; the weight 7 is loaded on the electric scale 8; a sample containing vessel 3 is arranged under the standard test needle 6, and a flat-bottom glass vessel 4 is arranged in the sample containing vessel 3; a water inlet pipe 11 and a water outlet pipe 12 are connected between the sample container 3 and the circulating water bath tank 13; the infrared emitter 15 and the infrared sensor 16 are arranged along the center of the inner wall of the flat bottom glass plate 4 as a photoelectric sensing coil, which is connected with the guide rail 14 extending upward. The controller 1 comprises a power switch, an LED digital display screen, an automatic timing device, a start key and a reset key. The capacity of the circulating water bath box 13 is more than 10L, and the temperature control accuracy is 0.1 ℃; the water inlet pipe 11 and the water outlet pipe 12 are both made of stainless steel corrugated pipes. The infrared emitters 15 and the infrared sensors 16 are alternately arranged to form a photoelectric sensing coil along the center of the inner wall of the flat bottom glass plate 4.
The test steps are as follows: (1) cooling the prepared sample at room temperature for 1.5h (a small sample containing vessel), and adjusting the height of the photoelectric induction coil on the sample containing vessel to ensure that the infrared ray emitted by the emitter is just flush with the surface of the asphalt test piece and the laser correlation switch is just not triggered; (2) and opening a circulating water bath switch, setting the test temperature, and putting the sample vessel for heat preservation after the display temperature of the display screen meets the requirement and keeps stable. (3) After the temperature is kept for 1.5 hours (small sample vessel), a controller switch is turned on, the sample vessel is moved into a flat-bottom glass vessel after the temperature is displayed by a display screen to reach the test temperature, and the depth of a water layer above the surface of the sample is not less than 10 mm; (4) firstly, a coarse screw adjusting wheel of a lifting system is rotated, the cantilever is manually and slowly descended until the distance between the needle point of the standard needle and the surface of the sample is 3-5cm, and then a start key is pressed, so that the cantilever automatically and slowly descends. When the needle rod is lowered to the critical value, the needle rod is automatically stopped, the needle rod is released for penetration, and the reading is automatically carried out after 5 seconds of timing. (5) After the LED digital display screen displays the displacement, a reset key is pressed, the cantilever automatically ascends, the standard needle is replaced, and then the parallel test is carried out twice.
Claims (5)
1. A full-automatic high-precision asphalt penetrometer is characterized by comprising a controller (1); the lifting device is fixed on the controller (1) through a bracket (5), and the lifting device also comprises a coarse screw adjusting wheel (9); the coarse screw adjusting wheel (9) is connected with the bracket (5) and the cantilever (17) through a mechanical gear device to realize manual coarse adjustment of the cantilever; the mechanical gear device is also connected with a motor (10) to realize automatic fine adjustment of the cantilever, and an electric scale (8) is connected to the lower side of the cantilever (17) and is connected with a standard test needle (6) downwards through a needle connecting rod; the weight (7) is loaded on the electric scale (8); a sample containing vessel (3) is arranged right below the standard test needle (6), and a flat-bottom glass vessel (4) is arranged in the sample containing vessel (3); a water inlet pipe (11) and a water outlet pipe (12) are connected between the sample container (3) and the circulating water bath tank (13); the infrared emitter (15) and the infrared inductor (16) are arranged into a photoelectric induction coil along the center of the inner wall of the flat-bottom glass vessel (4), and the coil is connected with a guide rail (14) extending upwards.
2. The full-automatic high-precision asphalt penetrometer according to claim 1, wherein the controller (1) comprises a power switch, an LED digital display screen (2), an automatic timing device, a start key and a reset key.
3. The full-automatic high-precision asphalt penetrometer according to claim 1, characterized in that the capacity of the circulating water bath (13) is more than 10L, and the accuracy of temperature control is 0.1 ℃; the water inlet pipe (11) and the water outlet pipe (12) are both made of stainless steel corrugated pipes.
4. The fully automatic high precision asphalt penetrometer according to claim 1, characterized in that the infrared emitters (15) and the infrared sensors (16) are alternately arranged, and a photoelectric induction coil is arranged along the center of the inner wall of the flat bottom glass vessel (4).
5. The fully automatic high precision asphalt penetrometer according to claim 1, characterized in that the infrared emitter (15) and the infrared sensor (16) are each half-turn and are arranged as photoelectric sensing coils along the center of the inner wall of the flat bottom glass vessel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120909957.3U CN216309704U (en) | 2021-04-29 | 2021-04-29 | Full-automatic high-precision asphalt penetrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120909957.3U CN216309704U (en) | 2021-04-29 | 2021-04-29 | Full-automatic high-precision asphalt penetrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216309704U true CN216309704U (en) | 2022-04-15 |
Family
ID=81080836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120909957.3U Expired - Fee Related CN216309704U (en) | 2021-04-29 | 2021-04-29 | Full-automatic high-precision asphalt penetrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216309704U (en) |
-
2021
- 2021-04-29 CN CN202120909957.3U patent/CN216309704U/en not_active Expired - Fee Related
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| 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: 20220415 |