CN210742052U - Foamed asphalt viscosity measuring device - Google Patents
Foamed asphalt viscosity measuring device Download PDFInfo
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- CN210742052U CN210742052U CN201921422235.4U CN201921422235U CN210742052U CN 210742052 U CN210742052 U CN 210742052U CN 201921422235 U CN201921422235 U CN 201921422235U CN 210742052 U CN210742052 U CN 210742052U
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- asphalt
- foamed
- container
- weighing cup
- pipeline
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- 239000010426 asphalt Substances 0.000 title claims abstract description 249
- 238000005303 weighing Methods 0.000 claims abstract description 50
- 238000005187 foaming Methods 0.000 claims abstract description 21
- 239000006260 foam Substances 0.000 claims abstract description 12
- 230000006698 induction Effects 0.000 claims description 28
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A foamed asphalt viscosity measuring device comprises a foamed asphalt flow metering system, an asphalt flow metering system and a PLC (programmable logic controller), wherein the foamed asphalt flow metering system comprises an asphalt foaming device, a foamed asphalt drainage tube, a foamed asphalt container and a first weighing cup, the asphalt foaming device is connected with the foamed asphalt container through the foamed asphalt drainage tube, the bottom of the foamed asphalt container is connected with a first asphalt pipeline, the first weighing cup is arranged below the first asphalt pipeline, and the first asphalt pipeline is provided with a first electric stop valve; the asphalt flowing metering system comprises an asphalt containing device, an asphalt drainage tube, an asphalt container and a weighing cup II, wherein the asphalt containing device is connected with the asphalt container through the asphalt drainage tube, the bottom of the asphalt container is connected with an asphalt pipeline II, the weighing cup II is arranged below the asphalt pipeline II, and an electric stop valve II is arranged on the asphalt pipeline II. The measuring device is continuously carried out in the effective period of the foam asphalt form, and the accuracy of the foam asphalt measurement is ensured.
Description
Technical Field
The utility model relates to a road surface bituminous material technical field, more specifically say and indicate a foam asphalt viscosity measurement device.
Background
Viscosity is an index for evaluating the rheological property of asphalt, and the viscosity of asphalt greatly influences the workability of asphalt mixture. At present, there are many methods for measuring the viscosity of asphalt, for example, measurement by a viscometer, etc. However, because the asphalt foaming is the physical change of the asphalt, the foamed asphalt obtained after the foaming has the timeliness, and the existing asphalt viscosity measurement method is difficult to complete the experiment in the asphalt foaming period.
Chinese patent application publication No. CN 106338595a discloses an asphalt foaming parameter measuring system, which includes a liquid level sensing component, a distance monitoring device, and a control unit. The measuring system also comprises at least one of a temperature sensor, a humidity sensor and a viscosity sensor which are arranged in the asphalt to be measured, the sensors can be inserted into the container for containing the asphalt to be measured, and can also be fixed on the inner wall of the container, and the sensors are arranged, so that the change state of the foamed asphalt can be comprehensively known, and the quality of the foamed asphalt can be mastered. The method for measuring the viscosity of the foamed asphalt directly by using the viscosity sensor inside the container mainly has the following defects: 1. the foamed asphalt mainly exists in the form of asphalt in water, and the viscosity sensor is easy to damage the structure of the foamed asphalt when in contact with the foamed asphalt, so that the measured data is not the real viscosity of the foamed asphalt; 2. the measurement of the viscosity of a standard bitumen is measured in a flowing state, and therefore this value of the viscosity of the bitumen measured inside the vessel is not a standard viscosity; 3. due to the fact that the viscosity of the asphalt is large, the asphalt is easy to adhere to the viscosity sensor, and the subsequent multiple measurement errors are large. Therefore, a novel foamed asphalt measuring device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a foam asphalt viscosity measuring device, its main aim at overcome the current result that obtains that adopts viscosity sensor measurement and is not foam asphalt's true viscosity, also is not pitch standard viscosity, shortcoming such as measuring error is big.
The utility model adopts the following technical scheme:
a foamed asphalt viscosity measuring device comprises a foamed asphalt flow metering system, an asphalt flow metering system and a PLC (programmable logic controller), wherein the foamed asphalt flow metering system comprises an asphalt foaming device, a foamed asphalt drainage tube, a foamed asphalt container and a first weighing cup, the asphalt foaming device is connected with the foamed asphalt container through the foamed asphalt drainage tube, the bottom of the foamed asphalt container is connected with a first asphalt pipeline, the first weighing cup is arranged below the tail end of the first asphalt pipeline, a first electric stop valve is arranged on the first asphalt pipeline, and a first electronic induction scale is arranged on the first weighing cup; the asphalt flowing metering system comprises an asphalt containing device, an asphalt drainage tube, an asphalt container and a weighing cup II, wherein the asphalt containing device is connected with the asphalt container through the asphalt drainage tube, the bottom of the asphalt container is connected with an asphalt pipeline II, the weighing cup II is arranged below the tail end of the asphalt pipeline II, an electric stop valve II is arranged on the asphalt pipeline II, and an electronic induction scale II is arranged on the weighing cup II; the PLC controller is respectively connected with the first electric stop valve and the second electric stop valve, and the PLC controller is also respectively connected with the first electronic induction scale and the second electronic induction scale.
Further, be equipped with flow induction meter one in the foam asphalt container, be equipped with flow induction meter two in the asphalt container, flow induction meter one with flow induction meter two respectively with the PLC controller is connected.
Furthermore, a first electromagnetic valve is arranged in the foamed asphalt drainage pipe, a second electromagnetic valve is arranged in the asphalt drainage pipe, and the first electromagnetic valve and the second electromagnetic valve are respectively connected with the PLC.
Further, the foamed asphalt viscosity measuring device also comprises a box body, the box body is divided into an upper box body, a middle box body and a lower box body from top to bottom, the asphalt foaming device and the asphalt containing device are arranged in the upper box body, and the bottoms of the asphalt foaming device and the asphalt containing device are respectively connected with the foamed asphalt drainage tube and the asphalt drainage tube; a constant temperature device is arranged in the middle box body, the foamed asphalt container and the asphalt container are arranged in the constant temperature device, and the lower ends of the foamed asphalt drainage tube and the asphalt drainage tube penetrate through the bottom of the upper box body and are respectively connected with the foamed asphalt container and the asphalt container; the lower box body is internally provided with a first weighing cup and a second weighing cup, the bottoms of the first weighing cup and the second weighing cup are respectively and correspondingly provided with a first electronic induction scale and a second electronic induction scale, a first asphalt pipeline and a second asphalt pipeline are respectively arranged above the first weighing cup and the second weighing cup, and the upper parts of the first asphalt pipeline and the second asphalt pipeline penetrate through the bottom of the middle box body and are respectively connected with the bottom of the foamed asphalt container and the bottom of the asphalt container.
Furthermore, the front end face of the box body is provided with a transparent acrylic plate, and the rear end face of the box body is provided with an access door.
Furthermore, the first weighing cup and the second weighing cup are made of copper alloy and have the same specification and model.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:
the utility model discloses a measuring device, utilize the proportion between foam asphalt viscosity and the pitch viscosity and its in the same time the weight of outflow pipeline than the characteristics that exist at linear relation, set for foam asphalt flow measurement system, pitch flow measurement system and PLC controller, control foam asphalt and pitch flow into respectively in the same time to weighing cup one and weighing cup two, by electronic induction balance one and the two weight that measure respectively of electronic induction balance and obtain foam asphalt, then transmit the viscosity of automatic derivation foam asphalt in to the PLC controller. The measuring device enables the foamed asphalt and the asphalt to be measured in a flowing state, and the measurement is continuously carried out in an effective period when the foamed asphalt exists, so that the viscosity of the foamed asphalt is obtained through measurement, and the accuracy of the measurement of the foamed asphalt is ensured.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is an operation flowchart of the present invention.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth in the following description in order to provide a thorough understanding of the present invention, but it will be apparent to one skilled in the art that the present invention may be practiced without these details. Well-known components, methods and processes are not described in detail below.
A foamed asphalt viscosity measuring device, referring to fig. 1, comprises a box body 1, a foamed asphalt flow metering system, an asphalt flow metering system and a PLC 4. The box body is divided into an upper box body 11, a middle box body 12 and a lower box body 13 from top to bottom, and an upper cover 111 is arranged at the top of the upper box body 11. The foamed asphalt flow metering system comprises an asphalt foaming device 21, a foamed asphalt drainage pipe 22, a foamed asphalt container 23 and a weighing cup I24, and the asphalt flow metering system comprises an asphalt containing device 31, an asphalt drainage pipe 32, an asphalt container 33 and a weighing cup II 34.
Referring to fig. 1, the asphalt foaming device 21 and the asphalt containing device 31 are disposed in the upper box 11, the bottoms of the asphalt foaming device 21 and the asphalt containing device 31 are respectively connected to the foamed asphalt drainage tube 22 and the asphalt drainage tube 32, and the bottom plate of the upper box 11 is provided with a hole expansion to facilitate quick assembly and disassembly of the foamed asphalt drainage tube 22 and the asphalt drainage tube 32. The middle box body 12 is internally provided with a constant temperature device 14, the bottom of the constant temperature device 14 is provided with a first container fixed disk 141 and a second container fixed disk 142, the foamed asphalt container 23 and the asphalt container 33 are respectively and correspondingly arranged on the first fixed disk 141 and the second container fixed disk 142, and the constant temperature device 14 can ensure that the foamed asphalt and the asphalt are carried out under the same experimental environment. The lower ends of the foamed asphalt draft tube 22 and the asphalt draft tube 32 both penetrate through the bottom of the upper tank body 11 and are respectively connected with the foamed asphalt container 23 and the asphalt container 33. A first electromagnetic valve (inside the foamed asphalt drainage tube, not shown in the figure) is arranged in the foamed asphalt drainage tube 22, a second electromagnetic valve is arranged in the asphalt drainage tube 32, and both the first electromagnetic valve and the second electromagnetic valve are connected with the PLC 4 so as to conveniently control the opening and closing of the foamed asphalt drainage tube 22 and the asphalt drainage tube 32.
Referring to fig. 1, a first flow sensor is disposed in the foamed asphalt container 23, a second flow sensor is disposed in the asphalt container 33, and the first flow sensor and the second flow sensor are all current flow sensors, which are only disposed inside the two containers, and not specifically shown in the figure, but not affected by the implementation of the technical scheme of the present invention. The first flow sensor and the second flow sensor are respectively connected with the PLC 4, so that the weight of the foamed asphalt flowing into the foamed asphalt container from the foamed asphalt drainage pipe and the weight of the asphalt flowing into the asphalt container from the asphalt drainage pipe can be controlled, and the condition that enough weight in the foamed asphalt container and the asphalt container can flow into the corresponding first weighing cup 24 and second weighing cup 34 within a set time later is met.
Referring to fig. 1, a first weighing cup 24 and a second weighing cup 34 are arranged in the lower box body 13, the first weighing cup 24 and the second weighing cup 34 are made of copper alloy, and the specifications and the models are the same. The bottom of the weighing cup I24 and the bottom of the weighing cup II 34 are respectively and correspondingly provided with an electronic induction scale I25 and an electronic induction scale II 35, the upper portions of the weighing cup I24 and the weighing cup II 34 are respectively provided with an asphalt pipeline I26 and an asphalt pipeline II 36, the asphalt pipeline I26 is provided with an electric stop valve I27, the asphalt pipeline II 36 is provided with an electric stop valve II 37, and the upper portions of the asphalt pipeline I26 and the asphalt pipeline II 36 penetrate through the bottom of the middle box body 12 to be respectively connected with the bottom of the foamed asphalt container 23 and the bottom of the asphalt container 22. The first electric stop valve 27, the second electric stop valve 37, the first electronic induction scale 25 and the second electronic induction scale 35 are connected with the PLC 4, wherein the first electric stop valve 27 and the second electric stop valve 37 are controlled by the PLC 4 to be opened and closed synchronously, and the synchronism of asphalt flow errors is guaranteed.
Referring to fig. 2, the front end face of the box body 1 is provided with a transparent acrylic plate, so that the condition in the box can be checked conveniently. The rear end face of the box body 1 is provided with an access door 15, so that maintenance and taking out and putting in of containers are facilitated.
Referring to fig. 3, the specific operation flow of the foamed asphalt viscosity measuring device is as follows:
(1) selecting a corresponding control system in a PLC (programmable logic controller) according to the experimental type of asphalt viscosity measurement, and inputting' asphalt viscosity η2"," flow rate "and" time "parameters, bitumen viscosity η2For testing well in advance.
(2) Enabling the asphalt foaming device and the asphalt containing device to operate simultaneously, wherein foamed asphalt in the asphalt foaming device flows into the foamed asphalt container through the foamed asphalt drainage tube, and asphalt in the asphalt containing device flows into the asphalt container through the asphalt drainage tube;
(3) when the flow in the foamed asphalt container and the asphalt container reaches the set flow, the asphalt foaming device stops foaming, and the foamed asphalt drainage tube and the asphalt drainage tube are automatically closed;
(4) the first electric stop valve and the second electric stop valve are opened simultaneously, foamed asphalt flows to the first weighing cup through the first asphalt pipeline, and the asphalt flows to the second weighing cup through the second asphalt pipeline;
(5) when the set time of the PLC is reached, the first electric stop valve and the second electric stop valve are closed simultaneously, and the first electronic induction scale and the second electronic induction scale respectively read the weight of the first weighing cup and the weight of the second weighing cup, namely the weight w of the foamed asphalt1And weight w of asphalt2And w is1、w2Transmitting the data to a PLC controller;
(6) according to η1=kT*η2*（w1/w2) Wherein k isTThe PLC controller can automatically calculate the viscosity η of the foamed asphalt according to the linear coefficient of the foamed asphalt and the asphalt at the temperature T, wherein the coefficient is a known number and is different at different temperatures1。
Repeating the steps (3) to (6) three times, and taking η the three times1Average value of (a).
The control system is any one of an asphalt standard viscosity system, an asphalt kinematic viscosity system and an asphalt dynamic viscosity system so as to meet the requirements of different types of experiments.
The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (6)
1. A foamed asphalt viscosity measuring device is characterized in that: the device comprises a foamed asphalt flow metering system, an asphalt flow metering system and a PLC (programmable logic controller), wherein the foamed asphalt flow metering system comprises an asphalt foaming device, a foamed asphalt drainage tube, a foamed asphalt container and a weighing cup I, the asphalt foaming device is connected with the foamed asphalt container through the foamed asphalt drainage tube, the bottom of the foamed asphalt container is connected with an asphalt pipeline I, the weighing cup I is arranged below the tail end of the asphalt pipeline I, the asphalt pipeline I is provided with an electric stop valve I, and the weighing cup I is provided with an electronic induction scale I; the asphalt flowing metering system comprises an asphalt containing device, an asphalt drainage tube, an asphalt container and a weighing cup II, wherein the asphalt containing device is connected with the asphalt container through the asphalt drainage tube, the bottom of the asphalt container is connected with an asphalt pipeline II, the weighing cup II is arranged below the tail end of the asphalt pipeline II, an electric stop valve II is arranged on the asphalt pipeline II, and an electronic induction scale II is arranged on the weighing cup II; the PLC controller is respectively connected with the first electric stop valve and the second electric stop valve, and the PLC controller is also respectively connected with the first electronic induction scale and the second electronic induction scale.
2. The apparatus for measuring the viscosity of foamed asphalt according to claim 1, wherein: be equipped with flow induction meter one in the foam asphalt container, be equipped with flow induction meter two in the asphalt container, flow induction meter one with flow induction meter two respectively with the PLC controller is connected.
3. The apparatus for measuring the viscosity of foamed asphalt according to claim 1, wherein: the foamed asphalt drainage pipe is internally provided with a first electromagnetic valve, the asphalt drainage pipe is internally provided with a second electromagnetic valve, and the first electromagnetic valve and the second electromagnetic valve are respectively connected with the PLC.
4. The apparatus for measuring the viscosity of foamed asphalt according to claim 1, wherein: the asphalt foaming device and the asphalt containing device are arranged in the upper box body, and the bottoms of the asphalt foaming device and the asphalt containing device are respectively connected with the foamed asphalt drainage tube and the asphalt drainage tube; a constant temperature device is arranged in the middle box body, the foamed asphalt container and the asphalt container are arranged in the constant temperature device, and the lower ends of the foamed asphalt drainage tube and the asphalt drainage tube penetrate through the bottom of the upper box body and are respectively connected with the foamed asphalt container and the asphalt container; the lower box body is internally provided with a first weighing cup and a second weighing cup, the bottoms of the first weighing cup and the second weighing cup are respectively and correspondingly provided with a first electronic induction scale and a second electronic induction scale, a first asphalt pipeline and a second asphalt pipeline are respectively arranged above the first weighing cup and the second weighing cup, and the upper parts of the first asphalt pipeline and the second asphalt pipeline penetrate through the bottom of the middle box body and are respectively connected with the bottom of the foamed asphalt container and the bottom of the asphalt container.
5. The apparatus for measuring the viscosity of foamed asphalt according to claim 4, wherein: the front end face of the box body is provided with a transparent acrylic plate, and the rear end face of the box body is provided with an access door.
6. The apparatus for measuring the viscosity of foamed asphalt according to claim 1, wherein: the weighing cup I and the weighing cup II are made of copper alloy and have the same specification and model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921422235.4U CN210742052U (en) | 2019-08-29 | 2019-08-29 | Foamed asphalt viscosity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921422235.4U CN210742052U (en) | 2019-08-29 | 2019-08-29 | Foamed asphalt viscosity measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210742052U true CN210742052U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921422235.4U Withdrawn - After Issue CN210742052U (en) | 2019-08-29 | 2019-08-29 | Foamed asphalt viscosity measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN210742052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455683A (en) * | 2019-08-29 | 2019-11-15 | 福建铁拓机械有限公司 | A kind of foamed asphalt device for measuring viscosity and its measurement method |
-
2019
- 2019-08-29 CN CN201921422235.4U patent/CN210742052U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455683A (en) * | 2019-08-29 | 2019-11-15 | 福建铁拓机械有限公司 | A kind of foamed asphalt device for measuring viscosity and its measurement method |
| CN110455683B (en) * | 2019-08-29 | 2024-03-29 | 福建省铁拓机械股份有限公司 | Foam asphalt viscosity measuring device and measuring method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200612 Effective date of abandoning: 20240329 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200612 Effective date of abandoning: 20240329 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |