CN214621009U - Portable 3m ruler for measuring pavement evenness - Google Patents
Portable 3m ruler for measuring pavement evenness Download PDFInfo
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- CN214621009U CN214621009U CN202120909565.7U CN202120909565U CN214621009U CN 214621009 U CN214621009 U CN 214621009U CN 202120909565 U CN202120909565 U CN 202120909565U CN 214621009 U CN214621009 U CN 214621009U
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- ruler
- displacement sensor
- trolley
- electric motor
- groove
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Abstract
The utility model relates to a road engineering technical field particularly, provides a 3m ruler of road surface roughness is measured to portable. The three-dimensional sliding type three-dimensional ruler comprises a guide rail, a 3m ruler, a trolley, an electric motor, a displacement sensor, a storage calculation module and a display screen. The electric motor connected with a power supply is arranged in the scooter body, and the power supply can drive the electric motor to enable the scooter to slide in the groove; the displacement sensor is arranged in the scooter, and the probe of the displacement sensor extends out of the bottom of the scooter to ensure that the displacement sensor just moves in the groove dead zone position; the utility model discloses improve traditional 3m ruler, realized the automatic acquisition of the maximum clearance h of roughness, the data accuracy is high, and is fast moreover, avoids going to look for maximum clearance position through the range estimation, very big reduction the influence of manual operation, improved the accuracy of testing result.
Description
Technical Field
The utility model relates to a road engineering technical field particularly, provides a 3m ruler of road surface roughness is measured to portable.
Background
The flatness refers to the vertical deviation of the road surface relative to an ideal plane, and is an important index for evaluating the construction quality of the roadbed and the road surface and the service performance of the road surface. At present, the flatness measurement of the roadbed, the cement concrete surface layer, the asphalt concrete surface layer construction joint, the cement stabilized base layer and the subbase layer in China all adopt a 3m ruler method, and the principle is as follows: and reflecting the concave-convex condition of the roadbed and the road surface by using the maximum gap between the reference surface of the 3m ruler and the road surface. The existing instrument is made of an aluminum alloy material with a smooth bottom surface, the gap condition between the bottom surface of a three-meter straight ruler and the road surface needs to be visually observed in the measuring process, the maximum gap position is determined, and then the height of the maximum gap is measured by using a wedge-shaped feeler gauge. This operation visually finds the maximum gap position, with subjective consequences.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a 3m ruler of road flatness is measured to portable, the objectivity based on this equipment gained is stronger, according to the accuracy height, and operating speed is fast moreover.
The utility model relates to a convenient 3m ruler for measuring pavement evenness, which comprises a 3m ruler 1, a guide rail 2, a trolley 3, a displacement sensor 5, an electric motor 7, a storage calculation module and a display screen; the 3m straight ruler 1 is made of aluminum alloy, the bottom surface is straight, and the upper part is provided with a groove with the depth of 3cm and the width of 4 cm; the bottom surface of the groove is provided with two symmetrical guide rails 2, so that the trolley 3 can freely slide on the guide rails 2; a groove dead zone with the depth of 2cm and the width of 1cm is arranged in the middle area of the bottom of the groove and is directly communicated with the bottom of a 3m ruler; the pulley vehicle 3 consists of four pulleys 4, a bearing and a vehicle body; an electric motor 7 connected with a power supply 8 is arranged in the scooter body, and the power supply 8 can drive the electric motor 7 to enable the scooter 3 to slide in the groove; the displacement sensor 5 is arranged in the pulley trolley 3, and a probe of the displacement sensor is extended out of the bottom of the pulley trolley 3, so that the displacement sensor can just move in a groove dead zone position without being hindered; the storage calculation module is connected with the displacement sensor 5, the controller 6, the electric motor 7 and the power supply 8; the storage calculation module calculates the data collected by the displacement sensor 5, analyzes the maximum gap of each ruler, stores the maximum gaps measured by multiple continuous rulers and calculates the overall average value; the controller 6 is positioned at the top of the trolley and comprises a power switch, a forward switch, a zero clearing key and an LED digital display screen; the power switch controls the power supply 8, the forward switch controls the electric motor 7 to move the trolley, and the trolley automatically stops after moving three meters; and the LED digital display screen displays the detected maximum gap result and the average value of continuous multiple scales.
A portable measures 3m ruler of road flatness, displacement sensor 5 is laser displacement sensor, the range reaches 40cm, the precision reaches 100 mu m.
A3 m ruler of road flatness is measured to portable, displacement sensor 5 is miniature stay cord displacement sensor, the range reaches 100cm, the precision reaches 100 mu m.
The utility model discloses a photoelectric sensing device automatic acquisition 3m ruler within range all clearances, and then confirm maximum clearance h, have the detection speed piece, the advantage that the testing result precision is high. The test procedure in the operation is as follows:
(1) placing a three-meter straight ruler on the road surface at the test position along the road;
(2) turning on a power switch, lighting an LED display screen, pressing an advance key, and enabling the scooter to automatically advance for 3 m;
(3) after the scooter stops at the position of 3m, the maximum gap height is displayed on the LED display screen;
(4) and after continuous multi-ruler measurement, the average value is displayed on an LED display screen.
Compared with the prior art, the utility model discloses improve traditional 3m ruler, realized the automatic acquisition of the maximum clearance h (mm) of roughness, the data accuracy is high, and is fast moreover, avoids going to look for maximum clearance position through the range estimation, very big reduction the influence of manual operation, improved the accuracy of testing result.
Description of the drawings:
fig. 1 is a schematic view of a three-meter ruler. Fig. 2 is a schematic view of a scooter. Fig. 3 is a controller interface diagram. 1-three meters of straight edge, 2-guide rail, 3-pulley vehicle, 4-pulley, 5-displacement sensor, 6-controller, 7-electric motor and 8-power supply.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and examples, but the scope of the present invention is not limited to the specific examples below. 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
A3 m ruler for conveniently measuring pavement evenness comprises a 3m ruler 1, a guide rail 2, a pulley vehicle 3, a displacement sensor 5, an electric motor 7, a storage calculation module and a display screen; the 3m straight ruler 1 is made of aluminum alloy, the bottom surface is straight, and the upper part is provided with a groove with the depth of 3cm and the width of 4 cm; the bottom surface of the groove is provided with two symmetrical guide rails 2, so that the trolley 3 can freely slide on the guide rails 2; a groove dead zone with the depth of 2cm and the width of 1cm is arranged in the middle area of the bottom of the groove and is directly communicated with the bottom of a 3m ruler; the pulley vehicle 3 consists of four pulleys 4, a bearing and a vehicle body; an electric motor 7 connected with a power supply 8 is arranged in the scooter body, and the power supply 8 can drive the electric motor 7 to enable the scooter 3 to slide in the groove; the displacement sensor 5 is arranged in the pulley trolley 3, and a probe of the displacement sensor is extended out of the bottom of the pulley trolley 3, so that the displacement sensor can just move in a groove dead zone position without being hindered; the storage calculation module calculates the data collected by the displacement sensor 5, analyzes the maximum gap of each ruler, stores the maximum gaps measured by multiple continuous rulers and calculates the overall average value; the controller 6 is positioned at the top of the trolley and comprises a key switch (a power switch, a forward switch and a zero clearing key) and an LED digital display screen. The power switch controls the power supply 8, the forward switch controls the electric motor 7 to move the trolley, and the trolley automatically stops after moving three meters; and the LED digital display screen displays the detected maximum gap result and the average value of continuous multiple scales. The displacement sensor 5 is a laser displacement sensor, the measuring range is up to 40cm, and the precision reaches 100 mu m; or the displacement sensor 5 is a micro pull rope displacement sensor, the measuring range reaches 100cm, and the precision reaches 100 mu m.
The utility model discloses a photoelectric sensing device automatic acquisition 3m ruler within range all clearances, and then confirm maximum clearance h, have the detection speed piece, the advantage that the testing result precision is high. The test procedure in the operation is as follows: (1) placing a three-meter straight ruler on the road surface at the test position along the road; (2) turning on a power switch, lighting an LED display screen, pressing an advance key, and enabling the scooter to automatically advance for 3 m; (3) after the scooter stops at the position of 3m, the maximum gap height is displayed on the LED display screen; (4) and after continuous multi-ruler measurement, the average value is displayed on an LED display screen.
Compared with the prior art, the utility model discloses improve traditional 3m ruler, realized the automatic acquisition of the maximum clearance h (mm) of roughness, the data accuracy is high, and is fast moreover, avoids going to look for maximum clearance position through the range estimation, very big reduction the influence of manual operation, improved the accuracy of testing result.
Claims (3)
1. A convenient 3m ruler for measuring pavement evenness is characterized by comprising a 3m ruler (1), a guide rail (2), a trolley (3), a displacement sensor (5), an electric motor (7), a storage calculation module and a display screen; the 3m ruler (1) is made of aluminum alloy, the bottom surface is straight, and the upper part is provided with a groove with the depth of 3cm and the width of 4 cm; the bottom surface of the groove is provided with two symmetrical guide rails (2) so that the trolley (3) can freely slide on the guide rails (2); a groove dead zone with the depth of 2cm and the width of 1cm is arranged in the middle area of the bottom of the groove and is directly communicated with the bottom of a 3m ruler (1); the pulley trolley (3) consists of four pulleys (4), a bearing and a trolley body; an electric motor (7) connected with a power supply (8) is arranged in the scooter body, and the power supply (8) can drive the electric motor (7) to enable the scooter (3) to slide in the groove; the displacement sensor (5) is arranged in the trolley (3), and a probe of the displacement sensor is extended out of the bottom of the trolley (3) and just moves in the groove dead zone position; the storage calculation module is connected with the displacement sensor (5), the controller (6), the electric motor (7) and the power supply (8); the controller (6) is positioned at the top of the trolley and comprises a power switch, a forward switch, a zero clearing key and an LED digital display screen; the power switch controls the power supply (8), and the forward switch controls the electric motor (7).
2. The convenient 3m ruler for measuring pavement evenness according to claim 1, wherein the displacement sensor (5) is a laser displacement sensor, the measuring range is up to 40cm, and the precision is up to 100 μm.
3. The convenient 3m straight ruler for measuring pavement evenness according to claim 1, wherein the displacement sensor (5) is a miniature pull rope displacement sensor, the measuring range reaches 100cm, and the precision reaches 100 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120909565.7U CN214621009U (en) | 2021-04-29 | 2021-04-29 | Portable 3m ruler for measuring pavement evenness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120909565.7U CN214621009U (en) | 2021-04-29 | 2021-04-29 | Portable 3m ruler for measuring pavement evenness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214621009U true CN214621009U (en) | 2021-11-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120909565.7U Expired - Fee Related CN214621009U (en) | 2021-04-29 | 2021-04-29 | Portable 3m ruler for measuring pavement evenness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214621009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116929257A (en) * | 2023-07-25 | 2023-10-24 | 昆山市建设工程质量检测中心 | Prefabricated superimposed shear wall surface roughness acquisition method based on measurement type endoscope |
-
2021
- 2021-04-29 CN CN202120909565.7U patent/CN214621009U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116929257A (en) * | 2023-07-25 | 2023-10-24 | 昆山市建设工程质量检测中心 | Prefabricated superimposed shear wall surface roughness acquisition method based on measurement type endoscope |
| CN116929257B (en) * | 2023-07-25 | 2024-01-26 | 昆山市建设工程质量检测中心 | Prefabricated superimposed shear wall surface roughness acquisition method based on measurement type endoscope |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20211105 |