CN214245252U - Highway road surface flatness detection device - Google Patents
Highway road surface flatness detection device Download PDFInfo
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- CN214245252U CN214245252U CN202022898833.8U CN202022898833U CN214245252U CN 214245252 U CN214245252 U CN 214245252U CN 202022898833 U CN202022898833 U CN 202022898833U CN 214245252 U CN214245252 U CN 214245252U
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- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of pavement detection, and discloses a highway pavement evenness detection device, which comprises a measuring scale with a hollow structure inside, wherein a screw rod is arranged in the inner cavity of the measuring scale, the screw rod is in driving connection with a servo motor, and the servo motor is powered by a storage battery; a sliding block is also arranged in the inner cavity of the measuring scale and is arranged on the screw rod in a penetrating way through a threaded hole; the guide way has been seted up to the inner chamber bottom of dipperstick, and in the slider bottom extended to the guide way, the inner wall and the slider outer wall of guide way were inconsistent, and measuring mechanism was installed to the bottom of slider. The utility model adopts the combined action of the servo motor, the screw rod, the slider and the guide groove to ensure that the measuring mechanism obtains the maximum clearance of the bottom of the measuring scale corresponding to the pavement, so as to evaluate the pavement evenness of the highway, and has convenient operation and low labor intensity; and need not artifical reuse clearance gauge to carry out manual measurement after observing the clearance, avoided the big problem of manual measurement deviation, improve the degree of accuracy of measured data.
Description
Technical Field
The utility model relates to a road surface detects technical field, concretely relates to highway road surface roughness detection device.
Background
The road surface is fluctuated to different degrees, and the flatness detection is required to be carried out in the process of acceptance of the road surface. One commonly used flatness detection method is three-meter ruler detection, the three-meter ruler is made of rigid hardwood or aluminum alloy steel, when the three-meter ruler is used, the three-meter ruler is longitudinally placed on a detected road surface and supported by the road surface, the three-meter ruler forms a base body which is parallel to the whole road surface, a wedge-shaped feeler gauge is used for measuring gaps between the bottoms of the three-meter ruler at certain intervals and the road surface, when 10 feet are continuously measured, whether each measured value is qualified or not is judged, qualified percentage is calculated according to requirements, and the average value of 10 maximum gaps is calculated.
However, in the prior art, when a three-meter straight ruler is used for measuring, after an operator puts the ruler, the clearance gauge is required to be used for measuring the height difference and the maximum gap position at a certain interval, the labor intensity is high, the maximum gap position needs to be visually measured, and a large error exists.
SUMMERY OF THE UTILITY MODEL
Based on the problems, the utility model provides a highway pavement evenness detection device, which adopts the combined action of the servo motor, the screw rod, the slider and the guide groove to enable the measuring mechanism to obtain the maximum clearance of the bottom of the measuring scale corresponding to the pavement, so as to evaluate the highway pavement evenness, and has convenient operation and low manual labor intensity; and need not artifical reuse clearance gauge to carry out manual measurement after observing the clearance, avoided the big problem of manual measurement deviation, improve the degree of accuracy of measured data.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the highway pavement flatness detection device comprises a measuring scale with a long strip structure, wherein the measuring scale is made of rigid materials, the bottom of the measuring scale is straight, the inside of the measuring scale is of a hollow structure, a screw rod parallel to the length direction axis of the measuring scale is installed in the inner cavity of the measuring scale, the screw rod is in driving connection with a servo motor fixed in the inner cavity of the measuring scale, and the servo motor is powered by a storage battery; a sliding block is also arranged in the inner cavity of the measuring scale, a threaded hole matched with the screw rod is formed in the sliding block, and the sliding block is arranged on the screw rod in a penetrating manner through the threaded hole; the guide way that runs through to the dipperstick bottom is seted up to the inner chamber bottom of dipperstick, and in the slider bottom extended to the guide way, the inner wall and the slider outer wall of guide way were inconsistent, and the measuring mechanism who is used for measuring the interval between road surface and the dipperstick bottom correspondence position was installed to the bottom of slider.
Furthermore, a groove is formed in the bottom of the sliding block, the measuring mechanism comprises a telescopic rod arranged in the groove, a limiting necking for preventing the telescopic rod from falling off is arranged at the opening of the groove, one end of the telescopic rod is located in the groove, the other end of the telescopic rod penetrates through the groove and the guide groove and extends to the outer side of the bottom of the measuring scale, and a travelling wheel capable of contacting with a road surface is mounted at the end head of the telescopic rod located on the outer side of the bottom of the measuring scale; a compressed spring is arranged between the telescopic rod and the bottom of the groove, and a distance measuring device is arranged between the bottom of the groove and the end head of the telescopic rod positioned in the groove.
Furthermore, the distance measuring device is an infrared distance measuring instrument which comprises an infrared generating device and an infrared receiving device, and the sliding block is also provided with a wireless transmission module which is electrically connected with the infrared receiving device; the upper surface of dipperstick is installed with battery electric connection's controller, and the controller includes wireless receiving module, treater and display, and wireless receiving module and wireless transmission module communication connection, treater respectively with wireless receiving module and display communication connection.
Furthermore, the upper surface of dipperstick is installed and is carried out the protection casing that protects treater, wireless receiving module, battery, and the display passes through pivot swing joint on the protection casing.
Furthermore, the storage battery is a rechargeable battery, and a charging interface electrically connected with the storage battery is arranged on the protective cover.
Furthermore, the storage battery is electrically connected with the servo motor through a control switch.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model adopts the combined action of the servo motor, the screw rod, the slider and the guide groove to ensure that the measuring mechanism obtains the maximum clearance of the bottom of the measuring scale corresponding to the pavement, so as to evaluate the pavement evenness of the highway, and has convenient operation and low labor intensity; and need not artifical reuse clearance gauge to carry out manual measurement after observing the clearance, avoided the big problem of manual measurement deviation, improve the degree of accuracy of measured data.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a freeway pavement flatness detection apparatus;
FIG. 2 is a schematic structural view of section A-A of FIG. 1;
FIG. 3 is an enlarged schematic view of detail B of FIG. 1;
wherein: 1. measuring a scale; 2. a screw; 3. a servo motor; 4. a storage battery; 5. a slider; 6. a guide groove; 7. a telescopic rod; 8. limiting and necking; 9. a traveling wheel; 10. a spring; 11. an infrared generating device; 12. an infrared receiving device; 13. a controller; 14. a display; 15. a protective cover; 16. a charging interface; 17. and controlling the switch.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example (b):
referring to fig. 1-3, the highway pavement evenness detection device comprises a measuring scale 1 with a long strip structure, wherein the measuring scale 1 is made of a rigid material, the bottom of the measuring scale 1 is straight, the measuring scale 1 is internally of a hollow structure, a screw rod 2 parallel to the axial line of the measuring scale 1 in the length direction is installed in the inner cavity of the measuring scale 1, the screw rod 2 is in driving connection with a servo motor 3 fixed in the inner cavity of the measuring scale 1, and the servo motor 3 is powered by a storage battery 4; a sliding block 5 is further arranged in the inner cavity of the measuring scale 1, a threaded hole matched with the screw rod 2 is formed in the sliding block 5, and the sliding block 5 penetrates through the screw rod 2 through the threaded hole; the guide way 6 that runs through to dipperstick 1 bottom is seted up to the inner chamber bottom of dipperstick 1, and in 5 bottoms of slider extended to guide way 6, the inner wall of guide way 6 inconsistent with 5 outer walls of slider, the measuring mechanism who is used for measuring the interval between road surface and the dipperstick 1 bottom corresponding position was installed to the bottom of slider 5.
In the embodiment, the servo motor 3 is electrified to drive the screw rod 2 to rotate, the sliding block 5 on the screw rod 2 can move along the length direction of the measuring scale 1 under the action of the screw rod 2 and the guide groove 6, and the sliding block 5 can move back and forth on the screw rod 2 by adjusting the forward rotation and the reverse rotation of the servo motor 3; when the evenness of the highway pavement needs to be detected, the sliding block 5 is moved to one end position of the guide groove 6 in advance, then the measuring scale 1 is longitudinally swung on the pavement of a test place along the road, the servo motor 3 is started to rotate, so that the sliding block 5 drives the measuring mechanism to gradually move from one side of the guide groove 6 to the other side to stop, the distance data from the pavement position right below the measuring mechanism to the bottom surface of the measuring scale 1 is continuously obtained in the moving process of the measuring mechanism, and the maximum clearance height between the pavement in the measuring position area of the measuring scale 1 and the bottom surface of the measuring scale 1 is recorded and compared with the distance data. In the embodiment, the servo motor 3, the screw rod 2, the sliding block 5 and the guide groove 6 are adopted to jointly act to enable the measuring mechanism to obtain the maximum gap of the bottom of the measuring scale 1 corresponding to the road surface so as to evaluate the flatness of the road surface of the highway, so that the operation is convenient, and the manual labor intensity is low; and need not artifical reuse clearance gauge to carry out manual measurement after observing the clearance, avoided the big problem of manual measurement deviation, improve the degree of accuracy of measured data.
According to the relevant standard of pavement evenness detection, the length of the guide groove 6 is 3m in the embodiment, namely the measuring mechanism moves from one side of the guide groove 6 to the other side, the measured road length is the maximum gap of a 3m section, after a plurality of (generally ten) positions are continuously measured, whether the maximum gap measured value of each measuring section is qualified is judged, the qualified rate is calculated, and the average value of the maximum gaps of the ten continuous measuring sections is calculated.
The bottom of the sliding block 5 is provided with a groove, the measuring mechanism comprises a telescopic rod 7 arranged in the groove, a limiting necking 8 for preventing the telescopic rod 7 from falling off is arranged at the opening of the groove, one end of the telescopic rod 7 is positioned in the groove, the other end of the telescopic rod 7 penetrates through the groove and the guide groove 6 and extends to the outer side of the bottom of the measuring scale 1, and a travelling wheel 9 capable of contacting with a road surface is arranged at the end of the telescopic rod 7 positioned at the outer side of the bottom of the measuring scale 1; a compressed spring 10 is arranged between the telescopic rod 7 and the bottom of the groove, and a distance measuring device is arranged between the bottom of the groove and the end head of the telescopic rod 7 positioned in the groove. In the embodiment, a compressed spring 10 is arranged between the telescopic rod 7 and the bottom of the groove, so that the telescopic rod 7 is in an extension state before being contacted with a road surface, and when a travelling wheel 9 at the front end of the telescopic rod 7 is contacted with the road surface, the telescopic rod 7 is partially compressed back into the groove; the initial position when obtaining walking wheel 9 bottom end and dipperstick 1 bottom parallel and level in advance, in servo motor 3 working process, walking wheel 9 walks on the road surface along the direction of guide way 6, there is pit or protruding position to all can drive telescopic link 7 and reciprocate in road surface department, walking wheel 9 extends and shortens walking in-process running wheel 9, obtains the biggest extension distance relative to initial position in the measurement section through measuring device, for the biggest clearance of dipperstick 1 corresponding road surface department promptly.
It should be noted that the measuring device for measuring the distance between the road surface and the bottom of the measuring ruler 1 may be a mechanical scale with a pointer or a distance measuring sensor. The distance measuring device in the embodiment is an infrared distance measuring instrument, the infrared distance measuring instrument comprises an infrared generating device 11 and an infrared receiving device 12, and a wireless transmission module electrically connected with the infrared receiving device 12 is further arranged on the sliding block 5; the upper surface of the measuring scale 1 is provided with a controller 13 electrically connected with the storage battery 4, the controller 13 comprises a wireless receiving module, a processor and a display 14, the wireless receiving module is in communication connection with the wireless transmission module, and the processor is in communication connection with the wireless receiving module and the display 14 respectively. Infrared pulse is generated by the infrared generating device 11 and emitted to the infrared receiving device 12, the telescopic distance of the telescopic rod 7 is calculated by calculating the time for the infrared receiving device 12 to receive the infrared pulse through the processor, the gap distance between the road surface and the bottom of the measuring scale 1 can be obtained by comparing the distance with the initial distance, and then the obtained data can be transmitted to the display 14 to be displayed for the measuring staff to check and record.
In this embodiment, the protective cover 15 capable of protecting the processor, the wireless receiving module and the storage battery 4 is mounted on the upper surface of the measuring scale 1, and the display 14 is movably connected to the protective cover 15 through a rotating shaft. The protective cover 15 can protect the controller 13 and the storage battery 4 and prevent water from being drenched or collided; the display 14 is movably connected to the protective cover 15 through a rotating shaft, and the angle of the display 14 can be adjusted, so that a worker can conveniently view data. 4 rechargeable batteries on the battery, be provided with on the protection casing 15 with 4 electric connection's of battery interface 16 that charges, can charge battery 4 through the interface 16 that charges, need not often change the battery, the detection device's of being convenient for continuous use.
In this embodiment, the storage battery 4 is electrically connected with the servo motor 3 through the control switch 17, and the forward rotation or the reverse rotation of the servo motor 3 is controlled by adjusting the control switch 17, so that the measuring mechanism can be controlled to move within the range of the guide groove 6, the purpose of measurement is achieved, the operation is convenient, and the labor intensity is low.
The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and drawings of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Highway road surface roughness detection device, including dipperstick (1) of rectangular structure, dipperstick (1) is made by the rigidity material, its characterized in that: the bottom of the measuring scale (1) is straight, the measuring scale (1) is internally of a hollow structure, a screw rod (2) parallel to the axis of the measuring scale (1) in the length direction is installed in the inner cavity of the measuring scale (1), the screw rod (2) is in driving connection with a servo motor (3) fixed in the inner cavity of the measuring scale (1), and the servo motor (3) is powered by a storage battery (4); a sliding block (5) is further arranged in an inner cavity of the measuring scale (1), a threaded hole matched with the screw rod (2) is formed in the sliding block (5), and the sliding block (5) penetrates through the screw rod (2) through the threaded hole; the inner chamber bottom of dipperstick (1) is seted up and is run through guide way (6) to dipperstick (1) bottom, slider (5) bottom extends to in guide way (6), the inner wall and slider (5) outer wall inconsistent of guide way (6), the measuring mechanism who is used for measuring the interval between road surface and dipperstick (1) bottom correspondence position is installed to the bottom of slider (5).
2. The freeway pavement flatness detecting apparatus according to claim 1, characterized in that: a groove is formed in the bottom of the sliding block (5), the measuring mechanism comprises a telescopic rod (7) arranged in the groove, a limiting necking (8) for preventing the telescopic rod (7) from falling off is arranged at the opening of the groove, one end of the telescopic rod (7) is located in the groove, the other end of the telescopic rod penetrates through the groove and the guide groove (6) and extends to the outer side of the bottom of the measuring scale (1), and a travelling wheel (9) capable of being in contact with the road surface is mounted at the end of the telescopic rod (7) located on the outer side of the bottom of the measuring scale (1); a compressed spring (10) is arranged between the telescopic rod (7) and the bottom of the groove, and a distance measuring device is arranged between the bottom of the groove and the end of the telescopic rod (7) positioned in the groove.
3. The freeway pavement flatness detecting apparatus according to claim 2, characterized in that: the distance measuring device is an infrared distance measuring instrument which comprises an infrared generating device (11) and an infrared receiving device (12), and the sliding block (5) is also provided with a wireless transmission module which is electrically connected with the infrared receiving device (12); the upper surface mounting of dipperstick (1) has controller (13) with battery (4) electric connection, controller (13) include wireless receiving module, treater and display (14), wireless receiving module and wireless transmission module communication connection, the treater respectively with wireless receiving module and display (14) communication connection.
4. The freeway pavement flatness detecting apparatus according to claim 3, characterized in that: the upper surface mounting of dipperstick (1) has protection casing (15) that can protect treater, wireless receiving module, battery (4), display (14) are through pivot swing joint on protection casing (15).
5. The freeway pavement flatness detecting apparatus according to claim 4, characterized in that: the rechargeable battery is characterized in that the storage battery (4) is a rechargeable battery, and a charging interface (16) electrically connected with the storage battery (4) is arranged on the protective cover (15).
6. The detecting device of the flatness of the expressway road according to any one of claims 1 to 5, wherein: the storage battery (4) is electrically connected with the servo motor (3) through a control switch (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022898833.8U CN214245252U (en) | 2020-12-04 | 2020-12-04 | Highway road surface flatness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022898833.8U CN214245252U (en) | 2020-12-04 | 2020-12-04 | Highway road surface flatness detection device |
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| Publication Number | Publication Date |
|---|---|
| CN214245252U true CN214245252U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022898833.8U Expired - Fee Related CN214245252U (en) | 2020-12-04 | 2020-12-04 | Highway road surface flatness detection device |
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| Country | Link |
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| CN (1) | CN214245252U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341442A (en) * | 2022-08-25 | 2022-11-15 | 中国建筑第五工程局有限公司 | Roughness detection device is used in town road construction |
| CN117364585A (en) * | 2023-12-08 | 2024-01-09 | 中路高科交通检测检验认证有限公司 | Flatness detection device for road engineering |
| CN117385705A (en) * | 2023-12-13 | 2024-01-12 | 山西晋北高速公路养护有限公司 | Road construction quality detection device |
-
2020
- 2020-12-04 CN CN202022898833.8U patent/CN214245252U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341442A (en) * | 2022-08-25 | 2022-11-15 | 中国建筑第五工程局有限公司 | Roughness detection device is used in town road construction |
| CN115341442B (en) * | 2022-08-25 | 2023-10-13 | 中国建筑第五工程局有限公司 | Roughness detection device is used in municipal road construction |
| CN117364585A (en) * | 2023-12-08 | 2024-01-09 | 中路高科交通检测检验认证有限公司 | Flatness detection device for road engineering |
| CN117364585B (en) * | 2023-12-08 | 2024-02-09 | 中路高科交通检测检验认证有限公司 | Flatness detection device for road engineering |
| CN117385705A (en) * | 2023-12-13 | 2024-01-12 | 山西晋北高速公路养护有限公司 | Road construction quality detection device |
| CN117385705B (en) * | 2023-12-13 | 2024-02-23 | 山西晋北高速公路养护有限公司 | Road construction quality detection device |
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| CF01 | Termination of patent right due to non-payment of annual fee |