CN114892478A - Road surface flatness monitoring devices - Google Patents
Road surface flatness monitoring devices Download PDFInfo
- Publication number
- CN114892478A CN114892478A CN202210491512.7A CN202210491512A CN114892478A CN 114892478 A CN114892478 A CN 114892478A CN 202210491512 A CN202210491512 A CN 202210491512A CN 114892478 A CN114892478 A CN 114892478A
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- CN
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- Prior art keywords
- vehicle body
- detection
- controller
- driven
- steering
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 58
- 239000007921 spray Substances 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/16—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings
- E01C23/20—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ
- E01C23/22—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ by spraying
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention relates to the field of building construction detection, and particularly discloses a road flatness monitoring device which comprises a vehicle body, running wheels and a detection unit, wherein the running wheels are installed on the bottom surface of the vehicle body, the detection unit comprises an information collection processing part and a plurality of detection parts, each detection part comprises a detection column, an infrared distance measurement sensor, a spray head capable of spraying out marking liquid and a first controller for controlling the spray head to spray out the marking liquid, the infrared distance measurement sensor and the first controller are electrically connected with the information collection processing part, the infrared distance measurement sensor and the spray head are installed in the detection columns and are opposite to a road surface, and the detection columns are installed on the vehicle body. In the scheme, the infrared distance measuring sensors in the plurality of detection columns can detect the pavement evenness, the pavement evenness information can be processed in real time, the unqualified local part of the pavement evenness is marked, and the detection and the feedback are very rapid; simultaneously, it all can not take place the friction with ground to detect post and infrared distance measuring sensor, can ensure to detect continuously accurately.
Description
Technical Field
The invention relates to the technical field of building construction detection, in particular to a road surface flatness monitoring device.
Background
After the construction of a road is completed, eight aspects of road surface compactness, rebound deflection, rebound modulus, concrete splitting strength, flatness, skid resistance, structural layer thickness and road surface water seepage need to be detected, wherein the flatness is one of main technical indexes of road surface quality, and influences the driving safety, the driving comfort, the road surface impact force when a vehicle runs and the service life of the road surface. When the road surface roughness is unqualified, the resistance of the automobile when driving on the road surface can be increased, jolting is easily caused in the driving process, and the driving safety is influenced under a high-speed state.
When the conventional road surface flatness monitoring device detects the flatness of a road surface, a detection wheel is mostly adopted, pressure-sensitive paper is wrapped outside the detection wheel, the fluctuation condition of the road surface is known through pressure change, and the detection wheel and the pressure-sensitive paper are inevitably rubbed after being in long-term contact with the road surface, so that the detection precision of the pressure-sensitive paper is influenced; simultaneously, the clearance that produces between the relative pressure paper of detection wheel also can increase, also can influence the pressure data that pressure paper department surveyed, and long-term after using, the roughness error can crescent, and then influences and detect the precision.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a road surface flatness monitoring device, which aims to solve the problems that the conventional detection wheel is abraded after being used for a long time, and the gap generated between the detection wheel and pressure sensing paper is increased to influence the detection precision.
In order to achieve the above object, the basic scheme of the invention is as follows: the utility model provides a road flatness monitoring devices, include the automobile body and install the wheel of traveling on the automobile body bottom surface, still include detecting element, detecting element includes information collection processing portion and a plurality of detection portion, detection portion is including detecting the post, infrared distance measuring sensor, can spout the shower nozzle of mark liquid and the first controller of control shower nozzle blowout mark liquid, infrared distance measuring sensor and first controller all with information collection processing portion electric connection, infrared distance measuring sensor and shower nozzle are all installed in detecting the post and just right with the road surface, it installs on the automobile body to detect the post.
The technical principle of the invention is as follows: when the road surface is detected, the running wheels can drive the vehicle body and the detection unit to move on the road surface, at the moment, the infrared distance measurement sensor in the detection unit can detect the distance between the road surface to be detected and the infrared distance measurement sensor in real time, and transmit the information to the information collection processing part, after the information is processed by the information collection processing part, when the change amplitude of the distance exceeds the requirement of the road surface evenness, the information collection processing part controls the first controller to send out a starting signal, so that the marking liquid can be sprayed out through the spray head to mark the road surface, and in the process, the infrared distance measurement sensors in the detection columns can detect the road surface evenness, can process the road surface information in real time, mark the part with unqualified road surface evenness, and can detect and feed back quickly; in this process, detection post and infrared distance measuring sensor all can not take place the friction with ground, can ensure to detect and last accurate.
Furthermore, one of the detection columns close to the road surface is provided with a groove, and the infrared distance measuring sensor and the spray head are fixedly arranged in the groove of the detection columns.
Through the setting, the convex part of detection post lower extreme can be protected infrared distance measuring sensor and shower nozzle for infrared distance measuring sensor and shower nozzle keep clean state, let infrared distance measuring sensor can carry out accurate measurement to the road surface that awaits measuring, the blowout marking liquid of also being convenient for.
Further, the detection column is an elastic rubber column and is detachably mounted at the center of the lower surface of the vehicle body.
Through the arrangement, when the detection column meets an obstacle on a road surface, the detection column made of the elastic rubber column can generate corresponding deformation, the infrared distance measuring sensor and the spray head can be protected, and the infrared distance measuring sensor and the spray head can be stably installed in the detection column; will detect post demountable installation and locate at the center of automobile body lower surface, aim at, conveniently overhaul the single infrared distance measuring sensor and the shower nozzle of damage.
Furthermore, the driving wheels comprise two steering power wheels, two driven wheels, a first motor driving the steering power wheels to rotate and a control part controlling the steering power wheels to steer, the control part is electrically connected with the information collecting and processing part, the two steering power wheels and the two driven wheels are both rotatably arranged on the lower surface of the vehicle body, and the two steering power wheels are adjacently arranged.
Through the arrangement, the two steering power wheels can stably rotate under the control of the first motor, and the two driven wheels can stably follow up under the driving of the vehicle body, so that the vehicle body can stably move; in this process, the control unit can control the traveling direction of the vehicle body by controlling the direction of the steering power wheel, thereby facilitating detection of the road surface to be detected.
The steering power wheel is connected with the steering shaft, the driven wheel is connected with the driven shaft, the first motor is fixedly mounted on the steering shaft, the driven wheel is connected with the driven shaft in a rotating mode, and the upper end of the steering shaft is connected with the control portion.
Through the arrangement, the arrangement of the steering shaft and the driven shaft ensures that the installation of the steering power wheel and the driven wheel is more stable; meanwhile, the direction of the steering power wheel set is controlled through the steering shaft more conveniently, the steering change of the vehicle body is more stable, and the influence on the road flatness during steering is reduced.
Further, the control part includes the driving gear, with driving gear engaged with driven gear, drive driving gear pivoted second motor and control the second controller of second motor, second controller and information collection processing portion electric connection, the upper surface fixed connection of second motor and automobile body, driven gear coaxial fixed mounting is located one of automobile body upper surface at the steering shaft and serves.
When the direction to the power wheel that turns to is adjusted, the second motor start can be controlled to the second controller, and the second motor drives the driving gear and rotates, and the driving gear drives the steering spindle through the driven gear and rotates, and the steering spindle can control the power wheel that turns to and turn to, and then controls the moving direction of automobile body, is convenient for detect the road surface that needs detected.
Furthermore, a liquid storage barrel is detachably mounted on the vehicle body and is communicated with the spray head.
Through the setting, the mark liquid at the position of the spray head is convenient to supplement, and the spray head can continuously mark the ground with unqualified flatness when detecting.
Further, the information collection processing part comprises a processor, a touch screen, an infrared remote controller, an infrared signal receiver and a starting button, the infrared signal receiver and the starting button receive control signals of the infrared remote controller, the first controller, the second controller, the infrared ranging sensor, the infrared signal receiver, the touch screen and the starting button are all electrically connected with the processor, and the processor, the touch screen, the infrared signal receiver and the starting button receive control signals of the infrared remote controller are all installed on the vehicle body.
Through the arrangement, the detection personnel can input the required advancing direction of the whole vehicle body from the touch screen; meanwhile, the detection personnel can input the steering direction of the vehicle body through the infrared remote controller, the infrared remote controller sends out an infrared signal, the infrared signal receiver receives the signal and then transmits the signal to the processor, and the processor can control the steering power wheel to steer in the same mode, so that the steering of the vehicle body is more convenient to control.
Drawings
Fig. 1 is a schematic structural view of a road flatness monitoring apparatus in an axial direction according to an embodiment of the present invention.
Fig. 2 is a top view of a road flatness monitoring apparatus according to an embodiment of the present invention.
Fig. 3 is a partial bottom view of the vehicle body shown in fig. 1 with a plurality of detecting pillars mounted thereon.
In the above drawings: the device comprises a vehicle body 10, a steering power wheel 201, a driven wheel 202, a first motor 203, a steering shaft 204, a driven shaft 205, a driving gear 301, a driven gear 302, a second motor 303, a touch screen 401, a starting button 402, a detection column 50, a groove 501, a liquid storage barrel 60, a spray head 601 and an infrared distance measuring sensor 70.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
As shown in fig. 1, 2 and 3, an embodiment of the present invention provides a road flatness monitoring device, which includes a vehicle body 10, and running wheels and a detection unit mounted on a bottom surface of the vehicle body 10, where the running wheels include two steering power wheels 201, two driven wheels 202, a first motor 203 for driving the steering power wheels 201 to rotate, and a control unit for controlling the steering of the steering power wheels 201, and the control unit includes a driving gear 301, a driven gear 302 engaged with the driving gear 301, a second motor 303 for driving the driving gear 301 to rotate, and a second controller for controlling the second motor 303, and also includes a steering shaft 204 for connecting the steering power wheels 201 and the vehicle body 10, and a driven shaft 205 for connecting the driven wheels 202 and the vehicle body 10.
As shown in fig. 1, two steering power wheels 201 and two driven wheels 202 are provided on the lower surface of the vehicle body 10, the two steering power wheels 201 being provided adjacently at the left side of the vehicle body 10; the steering shaft 204 and the driven shaft 205 are both vertically arranged, the steering shaft 204 and the driven shaft 205 are both rotationally connected with the vehicle body 10, the steering power wheel 201 is rotationally connected with the steering shaft 204, the first motor 203 is welded on the steering shaft 204, and the driven wheel 202 is rotationally connected with the driven shaft 205; the rotation axes of the steering shaft 204 and the driven shaft 205 are perpendicular to the rotation axes of the steering power wheel 201 and the driven wheel 202; the second motor 303 is welded to the upper surface of the vehicle body 10, the driven gear 302 is coaxially welded to one end of the steering shaft 204 located on the upper surface of the vehicle body 10, and the stopper is coaxially welded to the upper end of the driven shaft 205.
As shown in fig. 1, 2 and 3, the detection unit includes an information collection processing portion and several detection portions, the information collection processing portion includes a processor, a touch screen 401, an infrared remote controller, an infrared signal receiver for receiving a control signal of the infrared remote controller, and a start button 402; the detection part comprises a detection column 50, an infrared distance measuring sensor 70, a spray head 601 capable of spraying marking liquid and a first controller for controlling the spray head 601 to spray the marking liquid, the first controller is an electromagnetic valve, and the infrared distance measuring sensor 70 and the spray head 601 are both arranged in the detection column 50 and are opposite to the road surface; the detection column 50 is an elastic rubber column, a groove 501 is arranged at one end of the detection column 50 close to the road surface, the infrared distance measuring sensor 70 and the spray head 601 are both welded in the groove 501 of the detection column 50, and the upper end of the detection column 50 is installed at the center of the lower surface of the vehicle body 10 in a buckling mode; meanwhile, the first controller, the second controller, the infrared distance measuring sensor 70, the infrared signal receiver, the touch screen 401 and the start button 402 are electrically connected with the processor, and the processor, the touch screen 401, the infrared signal receiver for receiving the control signal of the infrared remote controller and the start button 402 are all installed on the vehicle body 10.
In addition, a liquid storage barrel 60 is detachably mounted on the vehicle body 10, and the liquid storage barrel 60 is communicated with the spray head 601.
When the pavement evenness monitoring device in the embodiment is used, the whole pavement evenness monitoring device is placed on a pavement to be detected, and then the starting button 402 is pressed to start the whole pavement evenness monitoring device; at this time, the first motor 203 is started synchronously, the first motor 203 drives the steering power wheel 201 on the steering shaft 204 to rotate, the steering power wheel 201 drives the whole vehicle body 10 to move linearly, and the driven wheel 202 is driven by the vehicle body 10 and supports the vehicle body 10.
When the vehicle body 10 moves, the infrared distance measuring sensor 70 detects the distance between the road surface to be detected and the infrared distance measuring sensor 70 in real time, the detection data can be transmitted to the processor in real time, the processor acquires the distance change condition, and when the distance change amplitude exceeds the requirement of the road surface flatness, the processor sends an opening signal to a first controller connected with the spray nozzle 601 in the detection column 50, so that the marking liquid in the liquid storage barrel 60 can be sprayed out through the spray nozzle 601 to mark the road surface; in the process, the infrared distance measuring sensors 70 in the plurality of detection columns 50 can detect the pavement evenness, process the pavement evenness information in real time, mark the part with unqualified pavement evenness, and quickly detect and feed back the pavement evenness; in this process, detect post 50 and infrared distance measuring sensor 70 and can not take place the friction with ground, can ensure to detect continuously accurate.
In the process, the processor can feed back the detection condition to the touch screen 401, so that the detection personnel can conveniently check the detection condition; meanwhile, the tester can input the required advancing direction of the whole vehicle body 10 from the touch screen 401, the processor can transmit the requirement to the second controller, the second controller can control the second motor 303 to start, the second motor 303 drives the driving gear 301 to rotate, the driving gear 301 drives the steering shaft 204 to rotate through the driven gear 302, the steering shaft 204 can control the steering power wheel 201 to steer, the moving direction of the vehicle body 10 is further controlled, and the detection on the road surface to be detected is facilitated.
Meanwhile, the detection personnel can also input the steering direction of the vehicle body 10 through the infrared remote controller, the infrared remote controller sends out an infrared signal, the infrared signal receiver receives the signal and then transmits the signal to the processor, and the processor can control the steering power wheel 201 to steer in the same way, so that the steering control of the vehicle body 10 is more convenient.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. The utility model provides a road flatness monitoring devices, includes the automobile body and installs the wheel of traveling on the automobile body bottom surface, its characterized in that still includes detecting element, detecting element includes information collection processing portion and a plurality of detection portion, and detection portion is including detecting post, infrared distance measuring sensor, the shower nozzle that can spray out the mark liquid and the first controller of control shower nozzle blowout mark liquid, and infrared distance measuring sensor and first controller all with information collection processing portion electric connection, infrared distance measuring sensor and shower nozzle all install in detecting the post and just right with the road surface, detect the post and install on the automobile body.
2. The device for monitoring the evenness of the road surface as claimed in claim 1, wherein a groove is formed at one end of the detection column close to the road surface, and the infrared distance measuring sensor and the spray head are fixedly arranged in the groove of the detection column.
3. The road flatness monitoring device according to claim 2, wherein said detecting post is an elastic rubber post, and said detecting post is detachably mounted at the center of the lower surface of the vehicle body.
4. The road flatness monitoring device according to claim 3, wherein the running wheels include two steering power wheels, two driven wheels, a first motor for driving the steering power wheels to rotate, and a control portion for controlling the steering power wheels to steer, the control portion is electrically connected to the information collecting and processing portion, the two steering power wheels and the two driven wheels are both rotatably disposed on the lower surface of the vehicle body, and the two steering power wheels are disposed adjacent to each other.
5. The road flatness monitoring device according to claim 4, further comprising a steering shaft connecting the steering power wheel and the vehicle body, and a driven shaft connecting the driven wheel and the vehicle body, wherein the steering shaft and the driven shaft are both vertically arranged, the steering shaft and the driven shaft are both rotatably connected with the vehicle body, the rotation axes of the steering shaft and the driven shaft are perpendicular to the rotation axes of the steering power wheel and the driven wheel, the steering power wheel is rotatably connected with the steering shaft, the first motor is fixedly mounted on the steering shaft, the driven wheel is rotatably connected with the driven shaft, and the upper end of the steering shaft is connected with the control part.
6. The road flatness monitoring device according to claim 5, wherein the control unit includes a driving gear, a driven gear engaged with the driving gear, a second motor driving the driving gear to rotate, and a second controller controlling the second motor, the second controller is electrically connected to the information collecting and processing unit, the second motor is fixedly connected to the upper surface of the vehicle body, and the driven gear is coaxially and fixedly mounted on one end of the steering shaft located on the upper surface of the vehicle body.
7. The road flatness monitoring device of claim 6, wherein a liquid storage barrel is detachably mounted on the vehicle body, and the liquid storage barrel is communicated with the spray head.
8. The apparatus according to claim 7, wherein the information collecting and processing unit comprises a processor, a touch screen, an infrared remote controller, an infrared signal receiver for receiving control signals from the infrared remote controller, and a start button, the first controller, the second controller, the infrared distance measuring sensor, the infrared signal receiver, the touch screen, and the start button are electrically connected to the processor, and the processor, the touch screen, the infrared signal receiver for receiving control signals from the infrared remote controller, and the start button are mounted on the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210491512.7A CN114892478A (en) | 2022-04-29 | 2022-04-29 | Road surface flatness monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210491512.7A CN114892478A (en) | 2022-04-29 | 2022-04-29 | Road surface flatness monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114892478A true CN114892478A (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210491512.7A Pending CN114892478A (en) | 2022-04-29 | 2022-04-29 | Road surface flatness monitoring devices |
Country Status (1)
| Country | Link |
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| CN (1) | CN114892478A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116295226A (en) * | 2023-05-19 | 2023-06-23 | 山西鑫鼎宸科技股份有限公司 | Road bridge flatness detection equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005146587A (en) * | 2003-11-13 | 2005-06-09 | Hitachi Plant Eng & Constr Co Ltd | Uneven part survey device |
| KR20060067750A (en) * | 2004-12-15 | 2006-06-20 | (유)선일건설 | Reomte control road roller |
| CN206109948U (en) * | 2016-05-03 | 2017-04-19 | 赵郁 | Convenient to carry's self -powered dynamic formula road flatness detector |
| CN109629381A (en) * | 2019-01-30 | 2019-04-16 | 姜自奇 | A kind of pavement flatness checking device |
| CN211571314U (en) * | 2019-12-07 | 2020-09-25 | 广州交投工程检测有限公司 | Asphalt road crack detection device |
| CN212103583U (en) * | 2020-01-07 | 2020-12-08 | 高静 | Uneven road detection device convenient to remove |
| CN213538629U (en) * | 2020-09-15 | 2021-06-25 | 北方一建建设集团有限公司 | Small road section leveling detection device after road engineering asphalt is paved |
| CN113092341A (en) * | 2021-04-15 | 2021-07-09 | 中信国安建工集团有限公司 | Detection equipment and method based on pavement construction quality evaluation |
| CN215003477U (en) * | 2021-07-28 | 2021-12-03 | 沈阳乐成建筑工程有限公司 | Road engineering is roughness detection device for construction |
| CN114108413A (en) * | 2021-12-04 | 2022-03-01 | 广东盈辉建设工程有限公司 | Method for improving pavement construction flatness |
-
2022
- 2022-04-29 CN CN202210491512.7A patent/CN114892478A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005146587A (en) * | 2003-11-13 | 2005-06-09 | Hitachi Plant Eng & Constr Co Ltd | Uneven part survey device |
| KR20060067750A (en) * | 2004-12-15 | 2006-06-20 | (유)선일건설 | Reomte control road roller |
| CN206109948U (en) * | 2016-05-03 | 2017-04-19 | 赵郁 | Convenient to carry's self -powered dynamic formula road flatness detector |
| CN109629381A (en) * | 2019-01-30 | 2019-04-16 | 姜自奇 | A kind of pavement flatness checking device |
| CN211571314U (en) * | 2019-12-07 | 2020-09-25 | 广州交投工程检测有限公司 | Asphalt road crack detection device |
| CN212103583U (en) * | 2020-01-07 | 2020-12-08 | 高静 | Uneven road detection device convenient to remove |
| CN213538629U (en) * | 2020-09-15 | 2021-06-25 | 北方一建建设集团有限公司 | Small road section leveling detection device after road engineering asphalt is paved |
| CN113092341A (en) * | 2021-04-15 | 2021-07-09 | 中信国安建工集团有限公司 | Detection equipment and method based on pavement construction quality evaluation |
| CN215003477U (en) * | 2021-07-28 | 2021-12-03 | 沈阳乐成建筑工程有限公司 | Road engineering is roughness detection device for construction |
| CN114108413A (en) * | 2021-12-04 | 2022-03-01 | 广东盈辉建设工程有限公司 | Method for improving pavement construction flatness |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116295226A (en) * | 2023-05-19 | 2023-06-23 | 山西鑫鼎宸科技股份有限公司 | Road bridge flatness detection equipment |
| CN116295226B (en) * | 2023-05-19 | 2023-08-04 | 山西鑫鼎宸科技股份有限公司 | Road bridge flatness detection equipment |
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Address after: 400050 No. 96, sendi Avenue, Xipeng Town, Jiulongpo District, Chongqing Applicant after: Chongqing Testing Co., Ltd. of Guojian Testing Holding Group Address before: 400050 No. 96, sendi Avenue, Xipeng Town, Jiulongpo District, Chongqing Applicant before: Chongqing Hexin inspection and Certification Co.,Ltd. |