CN107990816B - Road surface flatness detection device and detection method - Google Patents
Road surface flatness detection device and detection method Download PDFInfo
- Publication number
- CN107990816B CN107990816B CN201711432434.9A CN201711432434A CN107990816B CN 107990816 B CN107990816 B CN 107990816B CN 201711432434 A CN201711432434 A CN 201711432434A CN 107990816 B CN107990816 B CN 107990816B
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- vernier
- ruler
- road surface
- amplifying
- surface flatness
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- 238000001514 detection method Methods 0.000 title claims abstract description 56
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 5
- 229910000861 Mg alloy Inorganic materials 0.000 description 3
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000011895 specific detection Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a road surface flatness detection device and a detection method, comprising a ruler body and a detection part movably arranged on the ruler body, wherein the detection part comprises a vernier, a vernier pointer, an amplifying ruler and a vernier contact, wherein the vernier, the vernier pointer, the amplifying ruler and the vernier contact are arranged perpendicular to the ruler body, the vernier pointer is movably arranged on the upper part of the vernier, and the bottom end of the vernier is provided with the vernier contact; the amplifying ruler is of a P-shaped structure, and the vertical part of the amplifying ruler is arranged in parallel with the vernier; the vernier pointer points to the arc-shaped part of the P-shaped structure amplifying ruler, and scales are marked on the arc-shaped part of the P-shaped structure amplifying ruler. According to the road surface flatness detection device, the depth of the concave part of the road surface is measured by the principle of amplifying and marking, so that the road surface flatness is measured, and measurement errors caused by inaccurate readings in conventional manual measurement are avoided; moreover, the detection does not need to bend, thereby reducing the labor intensity of the inspector.
Description
Technical Field
The invention relates to an auxiliary tool for detecting road surface flatness, in particular to a road surface flatness detection device and a specific detection method.
Background
The road surface flatness refers to a deviation value of the amount of unevenness in the longitudinal direction of the road surface. The road surface flatness is an important index in road surface evaluation and road surface construction inspection, and mainly reflects the flatness of a road surface longitudinal section profile curve. When the profile curve of the pavement longitudinal section is relatively smooth, the pavement is relatively smooth, or the flatness is relatively good, otherwise, the flatness is relatively poor. Good road surface flatness is also required. Road surface flatness is one of the main technical indexes for evaluating road surface quality, and is related to the safety and comfort of driving and the impact force and service life of the road surface, and uneven road surface can increase driving resistance and cause the vehicle to generate additional vibration effect. The vibration effect can cause the driving jolt, influence the speed and the safety of the driving, and influence the driving stability and the comfort of passengers.
In the current method for detecting the road surface flatness, a three-meter ruler is generally adopted for detection by assisting with the measurement of a feeler gauge. In the practical process, the road surface of a plurality of road sections and a plurality of structural layers are required to be measured for flatness according to the detection frequency and the detection requirement specified by the specification, so that time and labor are wasted, the measurement efficiency is low, and the measurement accuracy is poor.
Chinese patent application CN101644023A discloses a road surface flatness detection method, which utilizes an accelerator to detect the relative displacement of a laser range finder caused by road surface jolt, further measures the inclination angle, calculates the road surface flatness, and mainly solves the detection of the road surface flatness under the condition of less than 25 km/h. Chinese patent CN205775763U discloses a road surface flatness detecting device, which has lower manufacturing cost.
At present, although some researches and devices related to road surface flatness detection exist, certain problems exist, and if the detection cost is low, the detection precision is difficult to ensure, and the maintenance cost of some detection systems is too high.
In view of the above-mentioned drawbacks of the existing road surface flatness detection, the present inventors have actively studied and innovated based on the fact that the design and manufacture of such products have been performed for many years and in combination with the application of the theories, so as to create a road surface flatness detection device and detection method, which make the device and method more practical. After continuous research and design and repeated sample test and improvement, the invention with practical value is finally created.
Disclosure of Invention
The invention aims to overcome the defects of the existing road surface flatness detection, and provides the road surface flatness detection device and the road surface flatness detection method, which improve the detection precision and reduce the cost, so that the road surface flatness detection device and the road surface flatness detection method are more practical and have industrial utilization value.
The aim and the technical problems of the invention are realized by adopting the following technical proposal. The road surface flatness detection device provided by the invention comprises the ruler body, wherein the ruler body is movably provided with the detection part, and the structure is simplified.
Preferably, the detecting part comprises a vernier, a vernier pointer, an amplifying ruler and a vernier contact, wherein the vernier, the vernier pointer, the amplifying ruler and the vernier contact are arranged perpendicular to the ruler body, the vernier pointer is movably arranged on the upper part of the vernier, and the bottom end of the vernier is provided with the vernier contact;
The amplifying ruler is of a P-shaped structure, and the vertical part of the amplifying ruler is arranged in parallel with the vernier; the vernier pointer points to the arc-shaped part of the P-shaped structure amplifying ruler, and scales are marked on the arc-shaped part of the P-shaped structure amplifying ruler.
Preferably, in the road surface flatness detection device, a cursor plate is movably provided on one side of the scale body in the longitudinal direction, and the detection unit is fixed to the cursor plate and moves along with the movement of the cursor plate.
Preferably, in the road surface flatness detecting device, the ruler body has a combined structure and is formed by folding bolts.
Preferably, in the road surface flatness detecting device, leveling devices are symmetrically provided at both ends of the length direction of the scale body.
Preferably, in the road surface flatness detecting device, the detecting portion further includes a vernier button, the vernier button is disposed at a top end of the vernier, and the vernier button is connected with the vernier contact through a metal connector.
The detection method of the road surface flatness detection device comprises the following operation steps of placing the road surface flatness detection device on a measured road surface, moving a vernier to a concave position of the measured road surface, pressing a button of the lower vernier to enable a vernier contact at the bottom end of the vernier to contact the ground, enabling a vernier pointer fixed on the vernier to point to a scale on an amplifying scale at the moment, and enabling a numerical value displayed by the moment to be the concave depth of the concave position.
Preferably, in the foregoing detection method, the amplifying rule is of a P-type structure, and a vertical portion of the amplifying rule is parallel to the vernier; the vernier pointer points to the arc-shaped part of the P-shaped structure amplifying ruler, and scales are marked on the arc-shaped part of the P-shaped structure amplifying ruler.
By means of the technical scheme, the road surface flatness detection device and the detection method have at least the following advantages:
According to the road surface flatness detection device, the depth of the concave part of the road surface is measured by the principle of amplifying and marking, so that the road surface flatness is measured, and measurement errors caused by inaccurate readings in conventional manual measurement are avoided; moreover, the detection does not need to bend, thereby reducing the labor intensity of the inspector.
The ruler body of the invention is composed of combined aluminum magnesium alloy, can be folded, has small volume and convenient carrying, and the aluminum magnesium alloy is not easy to corrode when being used as a main preparation material, and has longer service life.
The whole device consists of the ruler body and the detection part, has a relatively simple structure, is convenient to maintain, has low preparation cost and is convenient to apply in the road field.
The foregoing description is only an overview of the present invention, and is intended to provide a more thorough understanding of the present invention, and is to be accorded the full scope of the present invention.
Disclosure of Invention
Drawings
FIG. 1 is a schematic diagram of the overall structure of a road surface flatness detecting device;
FIG. 2 is a partially enlarged schematic view of the detecting section;
FIG. 3 is an enlarged schematic view of a fold bolt;
The meaning of the label in the figure: 1. vernier pointer; 2. a cursor plate; 3. vernier scale; 4. an amplifying ruler; 5. folding bolts; 6. a level; 7. a ruler body; 8. a roller; 9. vernier buttons; 10. vernier contact.
Detailed Description
In order to further describe the technical means and effects adopted by the invention to achieve the preset aim, the specific implementation, the characteristics and the effects of the road surface flatness detection device and the road surface flatness detection method provided by the invention are described in detail below.
Example 1
As shown in fig. 1 and 2, the pavement evenness detecting device of the invention comprises a ruler body 7 and a detecting part, wherein the ruler body 7 is of a combined structure, the cross section of the ruler body 7 is rectangular, and two sections of aluminum magnesium alloy with the length of 1.5m are connected through a folding bolt 5. The folding bolt 5 is composed of a locating pin 5-1 and a spring 5-2.
And when the folding bolt 5 mechanism is unfolded, the folding button 5-3 is pulled to pull out the positioning pin 5-1, and when the left and right ruler bodies rotate to be in line around the connecting shaft, the positioning pin 5-1 is pressed into the positioning hole by the pressure of the spring 5-2, so that the left and right ruler bodies 7 are connected into a whole, and measurement can be performed. After the use, the locating pin 5-1 is pulled out, so that the left and right ruler bodies 7 rotate to the folding position around the locating pin.
The detection part specifically comprises a vernier pointer 1, a vernier 3, an amplifying ruler 4, a vernier button 9 and a vernier contact 10, and the detection device further comprises a vernier plate 2, a folding bolt 5, a leveling instrument 6 and a rolling shaft 8.
The enlarged view of a specific detection part is shown in fig. 2, the detection part comprises a vernier 3, a vernier pointer 1, an enlarged scale 4 and a vernier contact 10, which are arranged perpendicular to a ruler body 7, the vernier pointer 1 is movably arranged on the upper part of the vernier 3, and the bottom end of the vernier 3 is provided with the vernier contact 10; the amplifying ruler 4 is of a P-type structure, the vertical part of the amplifying ruler 4 is arranged in parallel with the vernier 3, the vernier pointer 1 points to the arc-shaped part of the amplifying ruler 4 of the P-type structure, and scales are marked on the arc-shaped part of the amplifying ruler 4 of the P-type structure. The vernier button 9 is arranged at the top end of the vernier 3, and the vernier button 9 is connected with a vernier contact 10 through a metal connector.
The vernier board 2 is movably provided on one side of the scale body 7 in the longitudinal direction, and the detection unit is fixed to the vernier board 2 and moves along with the movement of the vernier board 2.
Clamping grooves are symmetrically formed in the length direction of one side of the ruler body 7 in the up-down direction, rolling shafts 8 are respectively arranged on the upper surface and the lower surface of the cursor plate 2, and the cursor plate 2 is driven to move back and forth through fixing the rolling shafts 8 in the clamping grooves.
In order to facilitate the measurement of the flatness of the road surface transverse slope, leveling devices 6 are symmetrically arranged at two ends of the length direction of the ruler body 7. A three meter ruler with a level may be used to measure the transverse slope.
The method for detecting the road surface flatness comprises the following operation steps that when the road surface flatness is measured, a ruler body 7 is placed on the measured road surface, a vernier 3 is moved to a concave position of the measured road surface, a vernier button 9 is pressed down, a vernier contact 10 at the bottom end of the vernier 3 is enabled to contact the ground, a pointer 1 fixed on the vernier 3 points to a scale on an amplifying ruler 4 at the moment, and a numerical value displayed by the scale is the concave depth of the concave position. The section of the amplifying ruler 4 is fan-shaped and comprises numerals with scales, the numerals are fixed on the vernier plate 2 and slide along with the vernier plate 2, one end of the pointer 1 is fixed on the vernier 3 through a nut, and the other end points to the scales on the amplifying ruler 4 during measurement.
The present invention is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present invention can be made by those skilled in the art without departing from the scope of the present invention.
Claims (3)
1. The utility model provides a road surface roughness detection device which characterized in that: comprises a ruler body (7), wherein a detection part is movably arranged on the ruler body (7);
The detecting part comprises a vernier (3), a vernier pointer (1), an amplifying ruler (4) and a vernier contact (10) which are arranged perpendicular to the ruler body (7), wherein the vernier pointer (1) is movably arranged on the upper part of the vernier (3), and the bottom end of the vernier (3) is provided with the vernier contact (10);
The amplifying ruler (4) is of a P-type structure, and the vertical part of the amplifying ruler (4) is arranged in parallel with the vernier (3); the vernier pointer (1) points to the arc-shaped part of the P-shaped structure amplifying ruler (4), and scales are marked on the arc-shaped part of the P-shaped structure amplifying ruler (4);
A cursor plate (2) is movably arranged on one side of the ruler body (7) in the length direction, the detection part is fixed on the cursor plate (2) and moves along with the movement of the cursor plate (2);
The two ends of the length direction of the ruler body (7) are symmetrically provided with the leveling instrument (6);
The detection part further comprises a vernier button (9), the vernier button (9) is arranged at the top end of the vernier (3), and the vernier button (9) is connected with a vernier contact (10) through a metal connector.
2. The road surface flatness detection apparatus according to claim 1, characterized in that: the ruler body (7) is of a combined structure and is formed by connecting folding bolts (5).
3. A road surface flatness detection method, characterized by using the detection device according to claim 1 or 2, comprising the following operation steps: the road surface flatness detection device is placed on a measured road surface, the vernier (3) is moved to a concave position of the measured road surface, a downstream vernier button (9) is pressed, a vernier contact (10) at the bottom end of the vernier (3) is enabled to contact the ground, a vernier pointer (1) fixed on the vernier (3) points to scales on an amplifying ruler (4) at the moment, and a numerical value displayed at the moment is the concave depth of the concave position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711432434.9A CN107990816B (en) | 2017-12-26 | 2017-12-26 | Road surface flatness detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711432434.9A CN107990816B (en) | 2017-12-26 | 2017-12-26 | Road surface flatness detection device and detection method |
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| Publication Number | Publication Date |
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| CN107990816A CN107990816A (en) | 2018-05-04 |
| CN107990816B true CN107990816B (en) | 2024-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711432434.9A Active CN107990816B (en) | 2017-12-26 | 2017-12-26 | Road surface flatness detection device and detection method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855517B (en) * | 2019-01-30 | 2020-10-30 | 温岭市宏晟建设有限公司 | Bridge face flatness detection device |
| CN110160431A (en) * | 2019-05-29 | 2019-08-23 | 重庆市叁柒幺信息科技有限公司 | A kind of degree of plainness for wall surface detection device for Real Estate Appraisal |
| CN112681084A (en) * | 2021-01-26 | 2021-04-20 | 北京荣华铭科技有限公司 | Hexagonal brick pavement automatic detection marking device |
| CN112906575A (en) * | 2021-02-22 | 2021-06-04 | 深圳市城市交通规划设计研究中心股份有限公司 | Pavement defect detection model establishing method, pavement defect detection method and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2639843Y (en) * | 2003-06-27 | 2004-09-08 | 窦建刚 | Road levelness measuring automatic recording instrument |
| CN201575807U (en) * | 2009-08-24 | 2010-09-08 | 王允川 | Assembly type multifunctional flatness detector |
| CN207846171U (en) * | 2017-12-26 | 2018-09-11 | 江苏翰烽美筑工程技术有限公司 | A kind of pavement flatness checking device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2108271U (en) * | 1991-10-20 | 1992-06-24 | 山东省枣庄市公路管理段工程处 | Crown measuring frame |
| CN2187297Y (en) * | 1994-03-12 | 1995-01-11 | 天津市第五市政工程公司 | Multi-purpose road measuring ruler |
| KR200385954Y1 (en) * | 2005-03-25 | 2005-06-03 | 한국건설기술연구원 | Apparatus for measuring pavement roughness |
| CN102839593A (en) * | 2012-09-17 | 2012-12-26 | 云南云岭高速公路养护绿化工程有限公司 | Site measuring device for detecting deformation of road materials |
| CN203572393U (en) * | 2013-11-20 | 2014-04-30 | 长安大学 | Crack development tester for concrete bridge |
| CN205300485U (en) * | 2016-01-19 | 2016-06-08 | 金东亚 | Road flatness measures and detection device |
| CN205691107U (en) * | 2016-05-31 | 2016-11-16 | 刘晓飞 | A kind of multi-functional gradient measurer |
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- 2017-12-26 CN CN201711432434.9A patent/CN107990816B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2639843Y (en) * | 2003-06-27 | 2004-09-08 | 窦建刚 | Road levelness measuring automatic recording instrument |
| CN201575807U (en) * | 2009-08-24 | 2010-09-08 | 王允川 | Assembly type multifunctional flatness detector |
| CN207846171U (en) * | 2017-12-26 | 2018-09-11 | 江苏翰烽美筑工程技术有限公司 | A kind of pavement flatness checking device |
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| CN107990816A (en) | 2018-05-04 |
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Address after: Room 323, R&D Incubation Complex Building for Science and Technology Entrepreneurship, No. 5 Yongzhi Road, Qinhuai District, Nanjing, Jiangsu Province, 210000 Applicant after: Jiangsu Huashi Yuanzhou Communications Technology Co.,Ltd. Applicant after: JIANGSU HUASHE ENGINEERING TECHNOLOGY RESEARCH INSTITUTE CO.,LTD. Address before: 210019 Room 706, Building 05, Strait Cloud Science Park, 98 Shuangzhalu Road, Jianye District, Nanjing City, Jiangsu Province Applicant before: JIANGSU HANFENG MEIZHU ENGINEERING TECHNOLOGY CO.,LTD. Applicant before: JIANGSU HUASHE ENGINEERING TECHNOLOGY RESEARCH INSTITUTE CO.,LTD. |
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