CN219455866U - Asphalt pavement water seepage detection device - Google Patents
Asphalt pavement water seepage detection device Download PDFInfo
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- CN219455866U CN219455866U CN202320211352.6U CN202320211352U CN219455866U CN 219455866 U CN219455866 U CN 219455866U CN 202320211352 U CN202320211352 U CN 202320211352U CN 219455866 U CN219455866 U CN 219455866U
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- liquid level
- water seepage
- level sensor
- measuring cylinder
- detection device
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Abstract
The utility model belongs to the technical field of road engineering construction monitoring, and relates to an asphalt pavement water seepage detection device. The measuring cylinder is arranged on the base vertically, a water seepage port is formed in the base, the measuring cylinder is communicated with the water seepage port, the liquid level detection device comprises a fixing rod vertically arranged on the outer side of the measuring cylinder and a non-contact liquid level sensor arranged on the fixing rod, a sensing head of the non-contact liquid level sensor faces the outer wall of the measuring cylinder, and the non-contact liquid level sensor is electrically connected with the PLC. According to the utility model, the change of the liquid level in the measuring cylinder is detected and collected through the liquid level sensors, manual observation is not needed, pavement water seepage detection work can be automatically completed, and the detection efficiency and the detection accuracy are greatly improved.
Description
Technical Field
The utility model belongs to the technical field of road engineering construction detection, and relates to an asphalt pavement water seepage detection device.
Background
Asphalt materials are adopted for paving road surfaces of roads and bridges, and water seepage detection tests are needed to be carried out on the road surfaces by adopting a water seepage instrument after pavement is completed.
The existing water seepage instrument generally adopts a measuring cup structure with a pressing base, the pressing base is pressed on a road surface, the space between the measuring cup and the road surface is sealed, water is manually injected into the measuring cup, then a person manually counts time, the liquid level in the measuring cup is observed and recorded, so that relevant data are obtained, the water seepage coefficient of the road surface is calculated, and whether water seepage exists or not is judged; the whole water injection and data recording judgment process of the water seepage instrument is completed manually, and water seepage detection of one road section often needs to select a plurality of detection points to detect one by one, so that the existing water seepage instrument has the problems of low detection efficiency, complex operation detection process and the like.
Disclosure of Invention
The utility model aims to provide an asphalt pavement water seepage detection device which can automatically detect pavement water seepage conditions and has an automatic water supplementing function.
The specific technical scheme of the utility model is as follows:
the asphalt pavement water seepage detection device comprises a base and a measuring cylinder vertically arranged on the base, wherein a water seepage port is arranged in the base, and the measuring cylinder is communicated with the water seepage port; the asphalt pavement water seepage detection device further comprises a PLC controller and a liquid level detection device, wherein the liquid level detection device comprises a fixed rod vertically arranged on the outer side of the measuring cylinder and non-contact liquid level sensors arranged on the fixed rod, a sensing head of each non-contact liquid level sensor faces the outer wall of the measuring cylinder, and each non-contact liquid level sensor is electrically connected with the PLC controller;
further, a water storage barrel is arranged on the base, a submersible pump is arranged in the water storage barrel, and the submersible pump is connected with the measuring cylinder through a conveying pipe; the submersible pump is electrically connected with the PLC;
further, an electromagnetic valve is arranged on the conveying pipe and is electrically connected with the PLC;
furthermore, the fixed rod is provided with scale marks, and the non-contact liquid level sensor is detachably arranged on the fixed rod.
The utility model has the following beneficial effects:
according to the utility model, the change of the liquid level in the measuring cylinder is detected and collected through the liquid level sensors, manual observation is not needed, pavement water seepage detection work can be automatically completed, and the detection efficiency and the detection accuracy are greatly improved; the utility model also has the function of automatic water supplementing, can automatically fill water into the measuring cylinder after being started, and automatically stops filling water after reaching the standard quantity, thereby being simple and quick to operate and reducing the operation intensity of staff.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The asphalt pavement water seepage detection device shown in fig. 1 comprises a base 1 and a measuring cylinder 2 vertically arranged on the base 1, wherein a water seepage port 3 is arranged in the base 1, and the measuring cylinder 2 is communicated with the water seepage port 3; the liquid level detection device 5 comprises a fixed rod 6 vertically arranged on the outer side of the measuring cylinder 2 and three non-contact liquid level sensors 7 arranged on the fixed rod 6, wherein the three non-contact liquid level sensors 7 are respectively positioned at the upper part, the middle part and the bottom of the measuring cylinder 2, the sensing heads of the non-contact liquid level sensors 7 face the outer wall of the measuring cylinder 2, the fixed rod 6 is provided with scale marks, and the non-contact liquid level sensors 7 are detachably arranged on the fixed rod 6, and the non-contact liquid level sensors 7 are electrically connected with the PLC 4;
a water storage barrel 8 is arranged on the base 1, a submersible pump 9 is arranged in the water storage barrel 8, and the submersible pump 9 is connected with the measuring cylinder 2 through a conveying pipe 10; the submersible pump 9 is electrically connected with the PLC 4, the electromagnetic valve 11 is arranged on the conveying pipe 10, and the electromagnetic valve 11 is electrically connected with the PLC 4.
The concrete working process for monitoring the water seepage of the asphalt pavement comprises the following steps:
placing the base 1 on an asphalt pavement detection point, and filling and sealing a gap between the base 1 and the asphalt pavement by using sealant; firstly, the PLC 4 is started, the electromagnetic valve 11 is controlled to be opened, meanwhile, the motor of the submersible pump 9 is controlled to be started, water in the water storage barrel 8 is pumped into the measuring cylinder 2 through the conveying pipe 10, when the liquid level in the measuring cylinder 2 rises to the non-contact liquid level sensor 7 positioned at the upper part of the measuring cylinder 2, the upper non-contact liquid level sensor 7 sends a signal to the PLC 4, the PLC 4 controls the submersible pump 9 to be stopped, and the electromagnetic valve 11 is closed, so that the liquid loading work of the measuring cylinder 2 is completed.
When the liquid level of the measuring cylinder 2 rises to a non-contact liquid level sensor 7 positioned at the upper part of the measuring cylinder 2, the device starts to perform water seepage detection, and the specific process is that the non-contact liquid level sensor 7 at the upper part sends a signal to the PLC controller 4, and a timing module of the PLC controller 4 starts to time for five minutes; stopping when the liquid level of the measuring cylinder 2 drops a little in five minutes and does not reach the non-contact liquid level sensor 7 in the middle, stopping timing by a timing module of the PLC controller 4, wherein the timing module represents that the road surface is basically impermeable to water;
when the liquid level of the measuring cylinder 2 gradually drops to the non-contact liquid level sensor 7 in the middle, the non-contact liquid level sensor 7 in the middle sends a signal to the PLC controller 4, the PLC controller 4 records the time point when the liquid level drops to the moment, so that the water seepage quantity and the water seepage time of the time point are obtained, the pavement water seepage coefficient of the stage is obtained, if the liquid level of the measuring cylinder 2 drops a little or no longer drops, the timing module of the PLC controller 4 stops after timing is finished;
in the timing time of the PLC 4, when the liquid level of the measuring cylinder 2 drops to the non-contact liquid level sensor 7 positioned at the bottom of the measuring cylinder 2, the non-contact liquid level sensor 7 at the bottom sends a signal to the PLC 4, the PLC 4 stops timing, records the water seepage quantity and the water seepage time which drop to the point, represents the water seepage of the road surface, and combines the water seepage quantity and the water seepage time of the non-contact liquid level sensor 7 at the middle part to obtain the integral water seepage coefficient of the road surface.
The water storage barrel 8 adopts a closed structure, and is provided with a water filling port with a sealing cover for filling water into the water storage barrel; when the submersible pump 9 is not in operation, the electromagnetic valve 11 is in a closed state, so that the water storage barrel 8 can be completely sealed, and water in the water storage barrel 8 is prevented from flowing out of the conveying pipe 10 when the device is carried.
The non-contact liquid level sensor 7 can be additionally arranged in a plurality of ways, and the liquid level height of the non-contact liquid level sensor 7 is set according to scale marks on the fixed rod 6; the greater the number of non-contact level sensors 7 in theory, the more accurate the data and results that are detected.
The non-contact liquid level sensor 7 of the present utility model may employ an ultrasonic liquid level sensor, a photoelectric liquid level sensor or a radar liquid level sensor; the utility model can also use a contact type liquid level sensor, such as a floating ball type liquid level sensor or a capacitance type liquid level sensor, and when the contact type liquid level sensor is used, the liquid level detection device 5 needs to be arranged inside the measuring cylinder 2.
The PLC 4 of the utility model can be provided with a display module for displaying the collected related data, and the related data is directly recorded and analyzed by on-site staff; the PLC controller 4 can be connected with a wireless transmission module, data acquired and recorded by the PLC controller 4 are transmitted to a background computer, when more pavement seepage detection points are formed, the device can be arranged at the same time, and the data acquired automatically by the device are transmitted to the background computer together for unified analysis and processing.
Claims (4)
1. The utility model provides an asphalt pavement seepage detection device, includes base (1), vertical setting in graduated flask (2) on base (1), be provided with in base (1) and ooze mouth (3), graduated flask (2) with ooze mouth (3) intercommunication; the method is characterized in that: still include PLC controller (4) and liquid level detection device (5), liquid level detection device (5) including vertical set up in dead lever (6) in the graduated flask (2) outside, arrange in non-contact liquid level sensor (7) on dead lever (6), the sensing head orientation of non-contact liquid level sensor (7) graduated flask (2) outer wall, non-contact liquid level sensor (7) with PLC controller (4) electricity links.
2. The asphalt pavement seepage detection apparatus as defined in claim 1, wherein: a water storage barrel (8) is arranged on the base (1), a submersible pump (9) is arranged in the water storage barrel (8), and the submersible pump (9) is connected with the measuring cylinder (2) through a conveying pipe (10); the submersible pump (9) is electrically connected with the PLC (4).
3. The asphalt pavement seepage detection apparatus as defined in claim 2, wherein: the conveying pipe (10) is provided with an electromagnetic valve (11), and the electromagnetic valve (11) is electrically connected with the PLC (4).
4. The asphalt pavement seepage detection apparatus as defined in claim 1, wherein: the fixed rod (6) is provided with scale marks, and the non-contact liquid level sensor (7) is detachably arranged on the fixed rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320211352.6U CN219455866U (en) | 2023-02-14 | 2023-02-14 | Asphalt pavement water seepage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320211352.6U CN219455866U (en) | 2023-02-14 | 2023-02-14 | Asphalt pavement water seepage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219455866U true CN219455866U (en) | 2023-08-01 |
Family
ID=87380862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320211352.6U Active CN219455866U (en) | 2023-02-14 | 2023-02-14 | Asphalt pavement water seepage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219455866U (en) |
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2023
- 2023-02-14 CN CN202320211352.6U patent/CN219455866U/en active Active
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