CN117661411A - Flatness detection equipment for urban road - Google Patents
Flatness detection equipment for urban road Download PDFInfo
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- CN117661411A CN117661411A CN202410129568.7A CN202410129568A CN117661411A CN 117661411 A CN117661411 A CN 117661411A CN 202410129568 A CN202410129568 A CN 202410129568A CN 117661411 A CN117661411 A CN 117661411A
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- flat
- rule
- cross laser
- movable frame
- guide rail
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- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 238000004140 cleaning Methods 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 241000606706 Chione <angiosperm> Species 0.000 claims 4
- 210000003128 head Anatomy 0.000 description 9
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of road flatness detection, in particular to flatness detection equipment for urban roads, which comprises a movable frame, an electric sliding rail, a first leveling rule, a second leveling rule, a first guide rail, a second guide rail and the like, wherein the electric sliding rail is connected to the movable frame in a sliding manner, the first leveling rule is rotationally connected to a sliding block of the electric sliding rail, the second leveling rule is rotationally connected to the end part of the first leveling rule, the first guide rail is connected to the front side and the rear side of the first leveling rule, and the second guide rail is connected to the front side and the rear side of the second leveling rule. According to the invention, the vernier feeler gauge is moved into the maximum gap between the first leveling rule and the second leveling rule and the road, so that the flatness of the road can be judged, the cross laser can emit cross laser, the cross laser irradiates on the road surface side line, the first leveling rule and the second leveling rule are ensured to be parallel to the road surface side line, the first leveling rule and the second leveling rule are ensured to be in a straight state, and the detection precision is higher.
Description
Technical Field
The invention relates to the technical field of road flatness detection, in particular to flatness detection equipment for urban roads.
Background
Uneven roads can increase driving resistance for the automobile, so that the automobile vibrates to influence the stability of the automobile, and therefore, when the urban road is built, flatness detection is required to be carried out on the urban road, the quality of the urban road is ensured, and the stability of the automobile is ensured.
At present, the flatness detection is mainly carried out on urban roads by using a ruler and a feeler gauge, the ruler is placed on the roads, then the feeler gauge is placed in the maximum gap between the ruler and the roads, scales on the feeler gauge are observed, the flatness of the roads are judged, after the ruler is placed, whether the ruler is parallel to the edges of the roads or not is ensured by naked eyes, the ruler is in a straight state, the road flatness detection is carried out at a position where the wheel track of the roads is used as continuous detection, so that the detection position is at a certain distance from the edges of the roads, and whether the ruler is parallel to the edges of the roads or not is observed by naked eyes, so that workers are difficult to place the ruler in a straight state, and the detection precision is affected.
Disclosure of Invention
In order to overcome the defect that detection accuracy is affected by the fact that staff is difficult to put the ruler in a straight state due to the fact that whether a certain error exists between the ruler and the road surface side line in parallel or not is observed by naked eyes, the invention provides the flatness detection equipment for the urban road, which is higher in detection accuracy.
The technical proposal is as follows: the utility model provides a flatness detection equipment of urban road, including the fly frame, electronic slide rail, flat bar first, flat bar second, the guide rail first, the guide rail second, the carriage, the sliding block, the slide bar, the vernier feeler gauge, cross laser instrument and fixed subassembly, sliding connection has electronic slide rail on the fly frame, rotate on the slider of electronic slide rail and be connected with flat bar first, the tip of flat bar first rotates and is connected with flat bar second, both sides all are connected with guide rail first around the flat bar first, both sides all are connected with guide rail second around the flat bar second, equal sliding connection has the carriage on the guide rail first, the carriage can slide to guide rail second, equal sliding connection has the sliding block on the sliding block, all be connected with the vernier feeler gauge on the sliding block, the vernier feeler gauge can get into in the clearance between flat bar first and the road, flatness detection is carried out to the road, be connected with two cross laser instruments on the electronic slide rail, the transmitting head of cross laser instrument is down, cross laser instrument transmits cross laser on the road surface limit line, ensure that flat bar first and flat bar second and flat bar are parallel with the road surface fixed subassembly.
Further, the fixed assembly comprises a connecting block and fastening screws, two connecting blocks are connected to the electric sliding rail, and the fastening screws used for fixing the electric sliding rail on the movable frame are connected to the connecting blocks through threads.
Further, the cleaning mechanism comprises a connecting plate, a rotating shaft, cleaning brushes and a motor, wherein the connecting plate is connected in the movable frame, three rotating shafts are connected to the connecting plate in a rotating mode, the three rotating shafts are transmitted through a belt pulley group, the cleaning brushes used for cleaning garbage on a road are connected to the rotating shafts, the motor is connected to the connecting plate, and an output shaft of the motor is connected with one rotating shaft.
Further, the guide mechanism comprises a mounting rod, a rotating plate, rollers and fastening nuts, wherein two mounting rods are connected to the movable frame, the rotating plate is connected to the mounting rods in a rotating mode, the rollers are connected to the rotating plate in a rotating mode, the rotating plate is rotated 90 degrees, the rollers are in contact with the edges of roads, the rollers roll along the edges of the roads, the first flat ruler and the edges of the roads are kept at proper distances, and the fastening nuts used for fixing the rotating plate are connected to the mounting rods through threads.
Further, the dustproof mechanism comprises a baffle and L-shaped blocks, the baffle is rotationally connected to the cross laser and used for shielding the emission head of the cross laser, two torsion springs are connected between the baffle and the cross laser, the baffle resets through the torsion springs, two L-shaped blocks are connected to the movable frame, the baffle can be in contact with the L-shaped blocks in the downward moving process, and the baffle rotates under the action of the L-shaped blocks so that the baffle does not shield the emission head of the cross laser.
Further, the automatic leveling device further comprises a pulling mechanism, wherein the pulling mechanism comprises a stop block, a pull rod and a lug, the stop block is connected to the movable frame, the pull rod is rotationally connected to the sliding block of the electric sliding rail and located in the stop block, the lug is connected to the pull rod, a notch for the lug to pass through is formed in the stop block, and the stop block is used for blocking the lug, so that the first leveling ruler and the second leveling ruler cannot move downwards.
Further, the movable frame is connected with the rubber clamping block, and the rubber clamping block is used for clamping the second flat ruler, so that the second flat ruler cannot rotate downwards.
Further, the total length of the first flat rule and the second flat rule is three meters.
The beneficial effects of the invention are as follows: 1. according to the invention, the vernier feeler gauge is moved into the maximum gap between the first leveling rule and the second leveling rule and the road, so that the flatness of the road can be judged, the cross laser can emit cross laser, the cross laser irradiates on the road surface side line, the first leveling rule and the second leveling rule are ensured to be parallel to the road surface side line, the first leveling rule and the second leveling rule are ensured to be in a straight state, and the detection precision is higher.
2. The output shaft of motor can drive the cleaning brush and rotate, and the cleaning brush can clear up the rubbish on the road, avoids rubbish to influence detection precision.
3. The roller can roll along the road edge, so that the first leveling rod and the road edge keep a proper distance, and the accuracy of the detection position is ensured.
4. The baffle can cover the emission head of the cross laser, dust is prevented from drifting on the emission head of the cross laser, when the electric sliding rail moves downwards, the baffle can rotate under the action of the L-shaped block, and the baffle does not cover the emission head of the cross laser any more, so that the cross laser can emit the cross laser to irradiate on the road surface border.
5. The check block can block the convex block, so that the first flat rule and the second flat rule cannot move downwards, and a detector is not required to manually lift the first flat rule and the second flat rule when the movable frame is moved, so that the use is more convenient.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the carriage and the vernier gauge of the present invention.
Fig. 3 is a schematic perspective view of the carriage, slider, slide bar and vernier gauge of the present invention.
Fig. 4 is a schematic perspective view of a fixing assembly according to the present invention.
Fig. 5 is a schematic view of a first perspective structure of the cleaning mechanism of the present invention.
Fig. 6 is a schematic view of a second perspective structure of the cleaning mechanism of the present invention.
Fig. 7 is a schematic perspective view of the guide mechanism of the present invention.
Fig. 8 is a schematic view of a first perspective structure of the dustproof mechanism of the present invention.
Fig. 9 is a schematic view of a second perspective structure of the dustproof mechanism of the present invention.
Fig. 10 is a schematic view showing a first perspective structure of the pulling mechanism of the present invention.
Fig. 11 is a schematic view of a second perspective of the pulling mechanism of the present invention.
Reference numerals: 1: movable rack, 2: electric slide rail, 3: flat rule one, 4: flat rule two, 5: guide rails one, 6: guide rails II, 7: carriage, 8: sliding block, 9: slide bar, 10: vernier feeler gauge, 11: cross laser, 12: connecting block, 13: fastening screw, 141: connection plate, 142: rotating shaft, 143: cleaning brush, 144: a motor, 151: mounting bar, 152: rotating plate, 153: roller, 154: fastening nut, 161: baffle, 162: l-shaped block, 171: stop, 172: pull rod, 173: bump, 18: and a rubber clamping block.
Detailed Description
The following describes the technical scheme with reference to specific embodiments, and it should be noted that: terms indicating orientations, such as up, down, left, right, etc., are used herein only with respect to the position of the illustrated structure in the corresponding drawings. The parts themselves are numbered herein, for example: first, second, etc. are used solely to distinguish between the described objects and do not have any sequential or technical meaning. And the application is said to be as follows: connection, coupling, unless specifically stated otherwise, includes both direct and indirect connection (coupling).
Example 1
As shown in fig. 1-4, the flatness detection device for the urban road comprises a movable frame 1, an electric sliding rail 2, a first leveling rod 3, a second leveling rod 4, a first guide rail 5, a second guide rail 6, a sliding frame 7, a sliding block 8, a sliding rod 9, a cursor feeler gauge 10, a cross laser 11 and a fixing component, wherein the lower part of the right side of the movable frame 1 is in sliding connection with the electric sliding rail 2, the right side of a sliding block of the electric sliding rail 2 is rotationally connected with the first leveling rod 3, the right end of the first leveling rod 3 is rotationally connected with the second leveling rod 4, the total length of the first leveling rod 3 and the second leveling rod 4 is three meters, the front side and the rear side of the first leveling rod 3 are both connected with the first guide rail 5 through bolts, the front side and the rear side of the second leveling rod 4 are both connected with the second guide rail 6 through bolts, the first guide rail 5 is both connected with the sliding frame 7 in a sliding manner, the sliding frame 7 can slide onto the second guide rail 6, the sliding block 7 is both connected with the sliding block 8 in a sliding manner, the sliding rod 9 is both sides of the sliding block 8 are connected with the sliding frame 9 in a sliding manner, the lower end of the sliding rod 9 is both sides of the sliding frame is connected with the sliding gauge 10, the front of the top of the electric sliding rail 2 is connected with the cross laser 11, the cross laser 11 is used for fixing the cursor laser 2.
As shown in fig. 4, the fixing assembly comprises a connecting block 12 and fastening screws 13, wherein the front side and the rear side of the right side of the electric sliding rail 2 are connected with the connecting block 12 through bolts, and the connecting block 12 is connected with the fastening screws 13 through threads.
As shown in fig. 1, the movable frame further comprises a rubber clamping block 18, and the middle part of the right side of the movable frame 1 is connected with the rubber clamping block 18.
The detection personnel moves the movable frame 1 to the road, then controls the electric slide rail 2 to drive the flat rule I3 and the flat rule II 4 to move back and forth, adjusts the positions of the flat rule I3 and the flat rule II 4 according to the positions detected by the detection personnel, can perform a three-meter rule detection method, moves the electric slide rail 2 downwards to enable the flat rule I3 and the flat rule II 4 to be in contact with the road, emits cross laser light on the road surface side line, ensures that the flat rule I3 and the flat rule II 4 are parallel to the road surface side line, ensures that the flat rule I3 and the flat rule II 4 are in a straight state, has higher detection precision, and enables the detection personnel to observe the gap between the flat rule I3 and the flat rule II 4 and the road, then, the vernier feeler gauge 10 is aligned with the maximum gap between the first leveling rule 3 and the second leveling rule 4 and the road, the vernier feeler gauge 10 is pushed, the vernier feeler gauge 10 is moved into the maximum gap between the first leveling rule 3 and the second leveling rule 4 and the road, the vernier on the vernier feeler gauge 10 is pushed again, the vernier on the vernier feeler gauge 10 is contacted with the first leveling rule 3 or the second leveling rule 4, the flatness of the road is judged through the reading on the vernier feeler gauge 10, after detection is finished, the electric sliding rail 2 is pushed upwards, the first leveling rule 3 and the second leveling rule 4 are not contacted with the road, the fastening screw 13 is screwed, the electric sliding rail 2 is fixed, then the second leveling rule 4 is rotated upwards, the second leveling rule 4 is retracted, the first leveling rule 3 and the second leveling rule 4 are retracted upwards, and the rubber clamping block 18 clamps the second leveling rule 4, so that the second leveling rule 4 cannot rotate downwards.
Example 2
On the basis of embodiment 1, as shown in fig. 5 and 6, the cleaning mechanism is further comprised, the cleaning mechanism comprises a connecting plate 141, rotating shafts 142, cleaning brushes 143 and a motor 144, the connecting plate 141 is connected to the upper portion of the movable frame 1 through bolts, three rotating shafts 142 are connected to the connecting plate 141 at equal intervals in a rotating manner, the three rotating shafts 142 are driven by a belt pulley set, the cleaning brushes 143 are connected to the lower ends of the rotating shafts 142, the motor 144 is connected to the left side of the top of the connecting plate 141 through bolts, and the output shaft of the motor 144 is connected to the upper end of the middle rotating shaft 142 through a coupling.
Before detection, the motor 144 is started to drive the middle rotating shaft 142 to rotate, the other two rotating shafts 142 are driven to rotate through the belt pulley group, the rotating shafts 142 drive the cleaning brush 143 to rotate, and the cleaning brush 143 cleans garbage on a road, so that the detection precision is prevented from being influenced by the garbage.
As shown in fig. 7, the device further comprises a guiding mechanism, the guiding mechanism comprises a mounting rod 151, a rotating plate 152, rollers 153 and fastening nuts 154, the mounting rod 151 is connected to the front side and the rear side of the bottom of the movable frame 1, the rotating plate 152 is connected to the lower portion of the mounting rod 151 in a rotating mode, the rollers 153 are connected to the left side of the rotating plate 152 in a rotating mode, and the fastening nuts 154 are connected to the mounting rod 151 in a threaded mode.
Before detection, a detection position is required to be selected, road wheel tracks (80-10 cm away from lane lines) are used as continuous detection positions, a worker rotates the rotary plate 152 by 90 degrees, rotates the rotary plate 152 out of the bottom of the movable frame 1, then tightens the fastening nut 154, fixes the rotary plate 152, enables the roller 153 to contact with the road edge, and enables the roller 153 to roll along the road edge, so that the first flat rule 3 and the road edge keep a proper distance, and the first flat rule 3 and the second flat rule 4 can be always positioned right above the wheel tracks, and the accuracy of the detection position is ensured.
As shown in fig. 8 and 9, the device further comprises a dust-proof mechanism, the dust-proof mechanism comprises a baffle 161 and an L-shaped block 162, the baffle 161 is rotatably connected to one side of the two cross lasers 11 far away from each other, two torsion springs are connected between the baffle 161 and the cross lasers 11, and the L-shaped block 162 is connected to the front side and the rear side of the right side of the movable frame 1.
When the electric sliding rail 2 moves downwards, the cross laser 11 and the baffle 161 are driven to move downwards, when the baffle 161 moves downwards and is contacted with the L-shaped block 162, the L-shaped block 162 can prop against one end of the baffle 161, the other end of the baffle 161 rotates, the torsion spring deforms, the baffle 161 does not cover the emitting head of the cross laser 11 any more, the cross laser 11 emits cross laser light to irradiate on a road surface border, when the electric sliding rail 2 moves upwards, the cross laser 11 and the baffle 161 are driven to move upwards, the baffle 161 and the L-shaped block 162 are not contacted, the baffle 161 rotates reversely under the action of the torsion spring, and the baffle 161 shields the emitting head of the cross laser 11 to prevent dust from drifting on the emitting head of the cross laser 11.
As shown in fig. 10 and 11, the electric sliding rail further comprises a pulling mechanism, the pulling mechanism comprises a stop 171, a pull rod 172 and a protruding block 173, the middle of the right side of the movable frame 1 is connected with the stop 171, the pull rod 172 is rotatably connected to the front side of the sliding block of the electric sliding rail 2, the pull rod 172 is located in the stop 171, the middle of the right side of the pull rod 172 is connected with the protruding block 173, and a notch for the protruding block 173 to pass through is formed in the right side of the stop 171.
After one position is detected, a detector pulls the pull rod 172 upwards, the pull rod 172 drives the electric slide rail 2 and the convex block 173 to move upwards, the electric slide rail 2 drives the flat rule I3 and the flat rule II 4 to move upwards, the flat rule I3 and the flat rule II 4 are not contacted with the ground, friction between the flat rule I3 and the flat rule II 4 and the ground is avoided, the convex block 173 moves upwards and can pass through a notch on the stop block 171, then the pull rod 172 rotates 90 degrees, the pull rod 172 drives the convex block 173 to rotate 90 degrees, the pull rod 172 is loosened, the stop block 171 blocks the convex block 173, the convex block 173 cannot move downwards, and therefore the flat rule I3 and the flat rule II 4 cannot move downwards, the detector does not need to manually lift the flat rule I3 and the flat rule II 4 when the movable frame 1 is moved, and the use is more convenient.
The foregoing is merely exemplary of the present invention and is not intended to limit the present invention. All equivalents and alternatives falling within the spirit of the invention are intended to be included within the scope of the invention. What is not elaborated on the invention belongs to the prior art which is known to the person skilled in the art.
Claims (8)
1. The utility model provides a flatness detection equipment of urban road, including movable frame (1), electronic slide rail (2), flat chi one (3) and flat chi two (4), sliding connection has electronic slide rail two (2) on movable frame (1), rotate on the slider of electronic slide rail (2) and be connected with flat chi one (3), the tip of flat chi one (3) rotates and is connected with flat chi two (4), characterized by, still including guide rail one (5), guide rail two (6), slide frame (7), sliding block (8), slide bar (9), vernier clearance gauge (10), cross laser instrument (11) and fixed subassembly, both sides all are connected with guide rail one (5) around flat chi one (3), both sides all are connected with guide rail two (6) around flat chi two (4), equal sliding connection has slide frame (7) on guide rail one (5), on slide frame (7) can slide to guide rail two (6), equal sliding connection has sliding block (8) on sliding block (8), equal sliding connection has slide bar (9) on slide bar (9), be connected with cross clearance gauge (10) and can get into in two slide rails (3) and two to level clearance between the road (2), the emission head of the cross laser (11) faces downwards, the cross laser (11) emits cross laser, the cross laser irradiates on the pavement boundary line, the first flat rule (3) and the second flat rule (4) are ensured to be parallel to the pavement boundary line, and the fixing component is used for fixing the electric sliding rail (2).
2. The flatness detection apparatus for an urban road according to claim 1, characterized in that the fixing assembly comprises a connecting block (12) and a fastening screw (13), wherein the electric sliding rail (2) is connected with two connecting blocks (12), and the connecting blocks (12) are respectively connected with the fastening screw (13) for fixing the electric sliding rail (2) on the movable frame (1) through threads.
3. The flatness detection apparatus for urban roads according to claim 2, further comprising a cleaning mechanism, wherein the cleaning mechanism comprises a connecting plate (141), a rotating shaft (142), a cleaning brush (143) and a motor (144), the connecting plate (141) is connected in the movable frame (1), three rotating shafts (142) are rotatably connected on the connecting plate (141), the three rotating shafts (142) are driven by a belt pulley set, the cleaning brushes (143) for cleaning garbage on the roads are connected on the rotating shafts (142), the motor (144) is connected on the connecting plate (141), and an output shaft of the motor (144) is connected with one rotating shaft (142).
4. The flatness detection apparatus for urban roads according to claim 3, further comprising a guiding mechanism, wherein the guiding mechanism comprises a mounting rod (151), a rotating plate (152), rollers (153) and fastening nuts (154), two mounting rods (151) are connected to the movable frame (1), the rotating plate (152) is connected to the mounting rods (151) in a rotating manner, the rollers (153) are connected to the rotating plate (152) in a rotating manner, the rotating plate (152) is rotated by 90 degrees, the rollers (153) are in contact with the edges of the roads, the rollers (153) roll along the edges of the roads, the first flat ruler (3) and the edges of the roads are kept at a proper distance, and the fastening nuts (154) for fixing the rotating plate (152) are connected to the mounting rods (151) through threads.
5. The flatness detection apparatus for an urban road according to claim 4, further comprising a dustproof mechanism, wherein the dustproof mechanism comprises a baffle plate (161) and an L-shaped block (162), the baffle plate (161) is rotatably connected to the cross laser (11), the baffle plate (161) is used for shielding the emission head of the cross laser (11), two torsion springs are connected between the baffle plate (161) and the cross laser (11), the baffle plate (161) is reset through the torsion springs, the movable frame (1) is connected with the two L-shaped blocks (162), the baffle plate (161) is contacted with the L-shaped blocks (162) in the downward movement process, and the baffle plate (161) rotates under the action of the L-shaped blocks (162) so that the baffle plate (161) does not shield the emission head of the cross laser (11).
6. The flatness detection apparatus for an urban road according to claim 5, further comprising a pulling mechanism, wherein the pulling mechanism comprises a stopper (171), a pull rod (172) and a bump (173), the stopper (171) is connected to the movable frame (1), the pull rod (172) is rotatably connected to the slider of the electric sliding rail (2), the pull rod (172) is located in the stopper (171), the bump (173) is connected to the pull rod (172), a notch through which the bump (173) passes is provided on the stopper (171), and the stopper (171) is used for blocking the bump (173) so that the first flat ruler (3) and the second flat ruler (4) cannot move downwards.
7. The flatness detection apparatus for an urban road according to claim 1, further comprising a rubber clamping block (18), wherein the movable frame (1) is connected with the rubber clamping block (18), and the rubber clamping block (18) is used for clamping the second flat rule (4) so that the second flat rule (4) cannot rotate downwards.
8. The flatness detection apparatus of an urban road according to claim 1, characterized in that the total length of the first flat rule (3) and the second flat rule (4) is three meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410129568.7A CN117661411B (en) | 2024-01-31 | 2024-01-31 | Flatness detection equipment for urban road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410129568.7A CN117661411B (en) | 2024-01-31 | 2024-01-31 | Flatness detection equipment for urban road |
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| Publication Number | Publication Date |
|---|---|
| CN117661411A true CN117661411A (en) | 2024-03-08 |
| CN117661411B CN117661411B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410129568.7A Active CN117661411B (en) | 2024-01-31 | 2024-01-31 | Flatness detection equipment for urban road |
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| CN207963747U (en) * | 2018-02-07 | 2018-10-12 | 长安大学 | A kind of digital display type Vernier clearance gage measured applied to road surface |
| CN216919928U (en) * | 2022-03-29 | 2022-07-08 | 吉林省公路工程监理事务所有限公司 | Highway roughness detection device |
| CN217424255U (en) * | 2022-06-08 | 2022-09-13 | 天津新展高速公路有限公司 | Convenient to use's pitch road surface roughness detection device |
| US20220364338A1 (en) * | 2020-01-31 | 2022-11-17 | Moba Mobile Automation Ag | Measuring system and controller |
| CN116145520A (en) * | 2023-04-04 | 2023-05-23 | 湖北交通工程检测中心有限公司 | Testing device for detecting road surface flatness |
| CN116592746A (en) * | 2023-06-21 | 2023-08-15 | 张坤 | Road bridge roughness detection device |
| CN117308751A (en) * | 2023-09-14 | 2023-12-29 | 宣城市交投工程科技咨询有限公司 | Flatness detection device and method for highway bridge construction |
-
2024
- 2024-01-31 CN CN202410129568.7A patent/CN117661411B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207963747U (en) * | 2018-02-07 | 2018-10-12 | 长安大学 | A kind of digital display type Vernier clearance gage measured applied to road surface |
| US20220364338A1 (en) * | 2020-01-31 | 2022-11-17 | Moba Mobile Automation Ag | Measuring system and controller |
| CN216919928U (en) * | 2022-03-29 | 2022-07-08 | 吉林省公路工程监理事务所有限公司 | Highway roughness detection device |
| CN217424255U (en) * | 2022-06-08 | 2022-09-13 | 天津新展高速公路有限公司 | Convenient to use's pitch road surface roughness detection device |
| CN116145520A (en) * | 2023-04-04 | 2023-05-23 | 湖北交通工程检测中心有限公司 | Testing device for detecting road surface flatness |
| CN116592746A (en) * | 2023-06-21 | 2023-08-15 | 张坤 | Road bridge roughness detection device |
| CN117308751A (en) * | 2023-09-14 | 2023-12-29 | 宣城市交投工程科技咨询有限公司 | Flatness detection device and method for highway bridge construction |
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|---|---|
| CN117661411B (en) | 2024-04-02 |
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