CN109373876B - Road surface flatness detection device - Google Patents

Road surface flatness detection device Download PDF

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Publication number
CN109373876B
CN109373876B CN201811252104.6A CN201811252104A CN109373876B CN 109373876 B CN109373876 B CN 109373876B CN 201811252104 A CN201811252104 A CN 201811252104A CN 109373876 B CN109373876 B CN 109373876B
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steering
detection
signal
rod
frame
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CN109373876A (en
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吴伟燕
陈厚德
顾晨龙
俞新
陈志刚
陈锴
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Zhejiang Runda Testing Technology Co ltd
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Zhejiang Runda Testing Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/28Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Road Repair (AREA)

Abstract

The invention relates to a road surface flatness detection device, which relates to the technical field of road surface detection and solves the problem that the flatness of a road can be detected by adopting a laser detection mode, but the data is easy to deviate due to the fact that laser cannot simulate the data of actual wheels running on the road, and the road surface flatness detection device comprises a steering part, a running part, a connecting part, a detection part, a main control module, a clock module and a circle number detection module; the main control module is preset with a highest amplitude signal, and acquires adjacent leveling signals in the line graph and judges the amplitude; and when the amplitude of the leveling signal in the line graph is larger than the highest amplitude signal, acquiring a turn number detection signal and a time signal which are associated with the current leveling signal, and indicating an exceeding part of the line graph. The invention has the effects of contact detection and high data accuracy.

Description

Road surface flatness detection device
Technical Field
The invention relates to the technical field of pavement detection, in particular to a pavement leveling detection device.
Background
In the construction, operation and maintenance of high-grade roads, the conditions of multiple quality indexes of the roads need to be perfect, and the leveling requirement on the road surface is higher and higher. With the rapid progress and development of society, the living standard of people is higher and higher, automobiles become popular consumer goods, the service life of the automobiles is influenced by the flatness of road surfaces, and the automobile safety protective cover plays an important role in the safety of people and automobiles.
In the prior art, chinese patent No. CN101644023A, a method for detecting road flatness, during the measurement, an accelerometer is used to detect the relative displacement generated by a laser distance measuring device due to road jolt, a three-way gyroscope is used to detect the angle at which the laser distance measuring device is tilted due to road jolt, and three-way synthetic attitude angles in a two-dimensional coordinate system are synthesized according to attitude angles in three directions; obtaining the relative displacement, the three-dimensional synthetic attitude angle and the distance measured by the laser ranging device, and calculating the vertical distance between the laser ranging device and the road surface; and obtaining each vertical distance according to the detection density, obtaining a difference value between the vertical distance and the standard reference distance, and obtaining a vertical section curve and the flatness of the road surface.
The above prior art solutions have the following drawbacks: the flatness of the road can be detected by adopting a laser detection mode, but the laser cannot simulate the data of the actual wheels running on the road, so that the data is easy to deviate, and the improvement space is provided.
Disclosure of Invention
The invention aims to provide a road surface leveling detection device which can conflict with the road surface in real time, can carry out contact detection and has high data accuracy.
The above object of the present invention is achieved by the following technical solutions:
a road surface leveling detection device comprising:
a steering unit for contacting the ground, driving, controlling steering, and connecting to an external vehicle;
a traveling section for traveling on the ground;
a connecting portion for connecting the steering portion and the traveling portion;
the detection part is arranged on the connecting part and is used for contacting the ground and detecting the flatness of the ground so as to output a flatness signal;
the main control module is connected with the detection part and used for receiving the leveling signal and establishing a database to generate a line graph;
the clock module is connected with the main control module and is used for outputting a time signal;
the number of turns detection module is connected with the main control module and is used for detecting the current number of turns to output a number of turns detection signal;
the main control module is preset with a highest amplitude signal, and acquires adjacent leveling signals in the line graph and judges the amplitude;
and when the amplitude of the leveling signal in the line graph is larger than the highest amplitude signal, acquiring a turn number detection signal and a time signal which are associated with the current leveling signal, and indicating an exceeding part of the line graph.
Through adopting above-mentioned technical scheme, through the setting of the portion that turns to, in order to supply the road surface to level detection device and pull, portion and the cooperation of connecting portion of traveling, make the vehicle can be normal the traveling, the detection portion rolls the test to ground, it is more accurate during the test, and host system cooperation clock module and number of turns detection module, know journey and position, judge data through host system, thereby seek out the unusual part of seeking in the broken line diagram, can more audio-visual analysis go out the volatility of data through the broken line diagram, therefore, the clothes hanger is strong in practicability.
The invention is further configured to: the steering section includes:
a steering rod pivoted with the connecting part;
the bogie is rotationally connected with the steering rod;
the steering wheel is arranged on the bogie and is in rotating connection with the bogie;
the steering connecting rod is fixedly connected with the adjacent steering rod;
the steering movable rod is movably connected with the adjacent steering frame;
the steering driven part is movably connected with the steering connecting rod and the steering movable rod;
the steering connecting piece is fixedly connected to one side of the steering driven piece, which is close to the steering movable rod;
a steering pivot rod pivoted to the steering link
The steering connector is far away from one side of the steering pin joint rod, which is far away from the steering connecting piece, and is integrally arranged with the steering pin joint rod and used for being connected with an external vehicle.
Through adopting above-mentioned technical scheme, bogie on the steering column, the cooperation directive wheel, make the road surface level and smooth detection device when being towed, in time meet the turn also can easily turn, turn to the connecting rod and connect two steering columns, and turn to the movable rod and connect the bogie, thereby realize synchronous rotation, the cooperation is turned to the follower, the control ability to the directive wheel has been improved, turn to the pin joint piece and turn to the connecting rod, the setting of turning to the connector, conveniently be connected with external vehicle, the efficiency of connecting has been improved.
The invention is further configured to: the connecting portion includes:
a frame for connecting the driving part and the connecting part;
the first mounting frame is mounted at one end of the rack, is integrally arranged with the rack and is used for mounting the steering rod;
the first connecting frame is pivoted with the steering rod and the first mounting frame;
the first connecting wheel is rotatably connected to the first connecting frame.
Through adopting above-mentioned technical scheme, through the setting of frame, the setting of cooperation first mounting bracket, first link, first connecting wheel makes connecting portion can be normal go on the road surface, and it is more steady to go, and the practicality is strong.
The invention is further configured to: the traveling unit includes:
the second mounting rack is arranged at the other end of the rack;
the second connecting frame is pivoted on the second mounting frame;
the second connecting wheel is rotatably connected to the second connecting frame;
the traveling frame is pivoted with the second connecting frame and the mounting frame;
the driving wheel is pivoted on the driving frame.
Through adopting above-mentioned technical scheme, through the setting of second mounting bracket, cooperation second link and second fifth wheel have improved the stability when traveling, and the frame of traveling and the setting of traveling wheel have improved the stability when wholly traveling, when making wholly dragged by outside vehicle, reduce the speed of a motor vehicle too fast and lead to the problem of turning on one's side, and the practicality is strong.
The invention is further configured to: damping mechanisms are arranged between the first connecting wheel and the steering wheel and between the second connecting wheel and the running wheel;
the damper mechanism includes:
the support lug is integrally arranged with the first connecting frame, the second connecting frame, the traveling frame and the bogie;
the elastic needle penetrates through the lugs on two adjacent sides;
the pressure spring is sleeved on the elastic needle and is in abutting connection with the support lug;
the fixing sleeve is sleeved on the elastic needle, is in abutting connection with the pressure spring and is used for fixing the pressure spring;
the loosening nut is in threaded fit with the elastic needle and is in abutting connection with the fixed sleeve;
one end of the elastic needle is abutted to and limited by one fixing sleeve, and the other fixing sleeve is fixed by a nut.
Through adopting above-mentioned technical scheme, through damper's setting, make the road surface level and smooth detection device when being removed, more stable, the setting of elasticity needle and pressure spring has improved absorbing effect, makes first link, second link, the frame of traveling, bogie when using, and is more smooth and easy, reduces the influence to the measuring part, and the practicality is strong.
The invention is further configured to: a telescopic part is also arranged between the connecting part and the driving part;
the expansion part includes:
the telescopic seat is arranged on the connecting part;
the telescopic rod is connected with the telescopic seat in a sliding way and is fixed with the driving part;
the roller is arranged on the telescopic seat and is used for pressing the telescopic rod;
the limiting block is arranged on the telescopic rod, is abutted against the roller for limiting and is used for limiting the limit telescopic distance;
the rubber strip is arranged on the telescopic rod and is in abutting connection with the roller and the telescopic seat.
Through adopting above-mentioned technical scheme, the setting of pars contractilis makes the whole length of road surface leveling detection device adjust, when needs examine time measuring, stretches, in case need not examine time measuring, can retract road surface leveling detection device to reduce the space of whole recovery, the practicality is strong.
The invention is further configured to: the detection section includes:
the mounting seat is arranged on the connecting part;
the displacement sensor is fixedly arranged on the mounting seat in a penetrating way, is tightly pressed and fixed through a bolt and is used for outputting a leveling signal;
the supporting seat is arranged on the connecting part;
the detection piece is pivoted on the supporting seat and is matched with the displacement sensor for detection;
the tension spring is used for connecting the detection piece and the connecting part;
the detection wheel is rotationally connected with one side of the detection piece, which is far away from the displacement sensor, and is contacted with the ground;
the guide piece is fixedly arranged on the mounting seat in a penetrating way;
the locking piece is in threaded fit with the nut and passes through the fixed detection ruler;
the detection ruler is fixedly connected with the detection piece, penetrates through the guide piece and is mutually guided with the guide piece so as to control the descending position of the detection wheel;
the transmission head is arranged on the connecting part and is used for outputting a circle number detection signal and a leveling signal;
the handle is arranged on the detection ruler and is fixedly connected with the detection piece.
Through adopting above-mentioned technical scheme, the setting of mount pad supplies displacement sensor to install, supports the setting of doing, and the cooperation detects the use of piece and detection wheel, and the ground is contacted and is rolled, detects chi and handle cooperation simultaneously, drives the detection wheel, and the setting of extension spring has improved the stability when detecting, and the setting of guide carries on spacingly to the position of detecting the chi, is used for locking simultaneously and detects the chi, and the practicality is strong.
The invention is further configured to: the connecting portion is further provided with a counterweight box, the counterweight box is installed on one side close to the steering portion, a gap is reserved between the counterweight box and the connecting portion and fixed through bolts, and the counterweight box is further provided with through holes communicated with the outside.
Through adopting above-mentioned technical scheme, through the setting of counter weight box, can aggravate road surface level and smooth detection device to improve holistic stability, the setting in clearance remains the leeway, makes things convenient for other parts to move, and the setting of through-hole conveniently operates in the rainy day, has improved holistic use flexibility.
The invention is further configured to: radius data and an electronic map corresponding to the circle number detection signals are preset in the main control module, the indicated line graph is obtained by the main control module, an abnormal road section in the whole route is judged through the circle number detection signals, and the abnormal road section is marked on the electronic map.
Through adopting above-mentioned technical scheme, through electronic map's setting, make the judgement that host system can be accurate, unusual position on the road marks on electronic map simultaneously, makes things convenient for the staff to inquire, and the practicality is strong.
The invention is further configured to: the system also comprises a user module connected with the main control module, wherein the user module sends a current position signal at the current position;
when an abnormal road section is marked on the electronic map, the main control module acquires current position signals of the plurality of user modules and judges the user module closest to the current abnormal road section so as to send maintenance information to the user module.
By adopting the technical scheme, the user module can perform information interaction with the main control module through the setting of the user module, and once the current road has a problem, the maintenance information is sent to the user module through the processing of the main control module, so that the maintenance worker can know the current state.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the damping mechanism is arranged, so that the detection stability is improved;
2. through the direct contact with the ground, the accuracy of detection is improved.
Drawings
Fig. 1 is a schematic structural view of the road surface leveling detection device of the present invention.
Fig. 2 is a schematic structural view of the turning portion.
Fig. 3 is an exploded view of the bellows.
Fig. 4 is an exploded schematic view of the shock absorbing mechanism.
Fig. 5 is a first schematic structural diagram of the detection part.
FIG. 6 is a schematic view of the structure of the detecting part II.
Fig. 7 is a system diagram of line graph generation and display of an abnormal road segment.
Fig. 8 is a system diagram of a user module.
In the figure, 1, a steering part; 101. a steering lever; 102. a bogie; 103. a steering wheel; 104. a steering link; 105. a steering movable rod; 106. a steering follower; 107. a steering linkage; 108. a steering pivot rod; 109. a steering connector; 110. a sleeve; 2. a connecting portion; 201. a frame; 202. a first mounting bracket; 203. a first connecting frame; 204. a first connecting wheel; 3. a traveling section; 301. a second mounting bracket; 302. a second link frame; 303. a second fifth wheel; 304. a traveling frame; 305. a running wheel; 4. a damping mechanism; 401. supporting a lug; 402. an elastic needle; 403. a pressure spring; 404. fixing a sleeve; 405. a locknut; 5. a telescopic part; 501. a telescopic base; 502. a telescopic rod; 503. a roller; 504. a limiting block; 505. a rubber strip; 6. a detection unit; 601. a mounting seat; 602. a displacement sensor; 603. a supporting seat; 604. a detection member; 605. a tension spring; 606. detecting a wheel; 607. a guide; 608. detecting a ruler; 609. a transfer head; 610. a handle; 611. a locking member; 7. a main control module; 701. a clock module; 702. a circle number detection module; 703. a weight box; 704. a gap; 705. a bolt; 706. a through hole; 707. and a user module.
Detailed Description
The present invention is described in further detail below with reference to figures 1-8.
Referring to fig. 1, the road surface leveling detection device disclosed by the invention comprises a steering part 1 connected with the outside and used for traction, a connecting part 2 used for connecting the steering part 1 and a driving part 3, the driving part 3 used for improving driving stability, a detection part 6 installed on the connecting part 2, a damping mechanism 4 used for damping, and a telescopic part 5 used for changing the whole length of the road surface leveling detection device. Meanwhile, a weight box 703 is mounted on the connecting part 2 through a bolt 705, and a gap 704 is provided between the weight box 703 and the connecting part 2.
Referring to fig. 2, the steering unit 1 includes a steering rod 101, a bogie 102, a steering wheel 103, a steering link 104, a steering movable rod 105, a steering follower 106, a steering link 107, a steering pivot rod 108, and a steering joint 109.
The bogie 102 is fixed on the steering rod 101 through a bolt 705, so that the bogie 102 can freely rotate on the steering rod 101 in the circumferential direction, the bogie 102 is also provided with a steering wheel 103, and the steering wheel 103 and the bogie 102 are arranged through a shaft, so that the steering wheel 103 can roll on the ground.
The number of the steering rods 101, the number of the bogies 102 and the number of the steering wheels 103 are 2, steering connecting rods 104 are further arranged between the 2 steering rods 101 and are connected with the steering connecting rods 104 through bolts 705, and the bolts 705 penetrate through the steering connecting rods 104, the steering rods 101 and the bogies 102 in sequence.
The bogies 102 are connected and fixed by a steering movable rod 105, the steering movable rod 105 is sleeved with a sleeve 110, and the sleeve 110 and the bogies 102 are connected and fixed by bolts 705, so that the bogies 102 on the two sides rotate synchronously.
A steering driven member 106 is further fixed to the middle of the steering connecting rod 104 through a bolt 705, the other end of the steering driven member 106 is fixed to the steering movable rod 105 through the bolt 705, a steering connecting member 107 is further welded to the steering driven member 106, a steering pivoting rod 108 is pivoted to the steering connecting member 107, the steering pivoting rod 108 is pivoted to a nut through the bolt 705, a steering connecting head 109 is further arranged on one side, away from the steering connecting member 107, of the steering pivoting rod 108, and the steering connecting head 109 is used for being connected and fixed with an external vehicle.
When the steering link 108 is turned to the left or right, the steering link 105 can be driven, and the bogie 102 and the steerable wheels 103 are controlled to rotate synchronously.
Referring to fig. 3 in conjunction with fig. 2, the connecting portion 2 includes a frame 201, a first mounting frame 202, a first connecting frame 203, and a first connecting wheel 204. Frame 201 is integrative setting with first mounting bracket 202, and first mounting bracket 202 and steering column 101, the pin joint of first link 203, and first link 203 is provided with 2 simultaneously, is provided with first connecting wheel 204 on the first link 203.
Referring to fig. 3, the weight box 703 is fixed to the frame 201 by bolts 705, a gap is reserved between the weight box 703 and the frame 201 when the weight box 703 is fixed, in actual operation, the weight box 703 can be lifted by nuts, and through holes 706 communicating with the outside are further provided in the weight box 703.
The telescopic part 5 comprises a telescopic seat 501, a telescopic rod 502, a roller 503, a limit block 504 and a rubber strip 505. Flexible seat 501 is fixed to frame 201 on, and flexible seat 501 is provided with 2 at least, and flexible seat 501 slides with telescopic link 502 and is connected, and slides pole and second mounting bracket 301 welded fastening, frame 201 and first mounting bracket 202 welded fastening. The left and right sides of telescopic link 502 all is provided with rubber strip 505, and telescopic link 502 keeps away from one side on ground and also is provided with rubber strip 505. The telescopic seat 501 is fixed with a roller 503 through a bolt 705 and a nut, and the roller 503 is connected with the sliding rod in a rolling way. And both ends of the telescopic rod 502 are provided with a limit block 504, the limit block 504 is used for limiting the limit distance when the telescopic rod 502 retracts and is pulled out, and the limit block 504 is matched with the roller 503.
Referring to fig. 3 and 4, the traveling unit 3 includes a second mounting bracket 301, a second connecting bracket 302, a second connecting wheel 303, a traveling bracket 304, and a traveling wheel 305. Second mounting bracket 301 and telescopic link 502 welded fastening, the pin joint has second link 302 and the frame 304 that traveles on the second mounting bracket 301, and the setting that second link 302 and the frame 304 that traveles correspond each other, and installs second fifth wheel 303 on the second link 302, is provided with the wheel 305 that traveles on the frame 304, and second fifth wheel 303 and the wheel 305 that traveles all contact with ground and roll.
Referring to fig. 4, the damper mechanism 4 is installed between the first connecting wheel 204 and the steered wheel 103 and between the second connecting wheel 303 and the running wheel 305, and the damper mechanism 4 is located on both sides, respectively. The damping mechanism 4 comprises 2 support lugs 401, 1 elastic needle 402, 2 compression springs 403, 2 fixing sleeves 404 and 2 locknuts 405.
In the present embodiment, the function and the installation manner of the damper mechanism 4 are the same, and the description will be given by taking one side in fig. 4 as an example. The support lugs 401 are welded and fixed with the second connecting frame 302, the support lugs 401 located on two sides of the second connecting frame 302 are integrally arranged, the support lugs 401 on the traveling frame 304 are also welded and fixed, and the support lugs 401 located on two sides of the traveling frame 304 are integrally arranged.
The elastic needle 402 penetrates through a fixing sleeve 404 and is mutually limited with the fixing sleeve 404, the fixing sleeve 404 is arranged in a [ -shape, the fixing sleeve 404 is used for wrapping and fixing the pressure spring 403, and the pressure spring 403 is mutually abutted and connected with the support lug 401; the elastic needle 402 passes through a fixing sleeve 404, a pressure spring 403, a support lug 401, a pressure spring 403, a fixing sleeve 404 and a locknut 405 in sequence. The locknut 405 adopts 2 and locks each other, and the locknut 405 is collided with another fixing sleeve 404 for limiting.
The second mounting frame 301 and the traveling frame 304 pivoted at both sides are straightened by the compression spring 403, and simultaneously, the buffer and the shock absorption are carried out by the elastic needle 402 and the compression spring 403.
Referring to fig. 5 and 6, the detecting unit 6 includes a mounting base 601, a displacement sensor 602, a support base 603, a detecting member 604, a tension spring 605, a detecting wheel 606, a guide member 607, a detecting rule 608, a transfer head 609, a handle 610, and a locking member 611. The frame 201 fixes the support base 603 through bolts 705 and glue, and a displacement sensor 602 is further fixed on the support base 603 through bolts 705, and the displacement sensor 602 is matched with the detection piece 604. The mounting base 601 is connected with the main control module 7, and can be connected in a wired manner or in a wireless manner to achieve data interaction.
The rack 201 is further welded with a mounting seat 601, the mounting seat 601 is pivoted with a detection piece 604, one end of the detection piece 604 is matched with the displacement sensor 602, the other end of the detection piece 604 is pivoted with a detection wheel 606, the detection wheel 606 is further provided with a transmission head 609, the transmission head 609 is used for detecting the number of rotation turns of the detection wheel 606, and the displacement sensor 602 is used for indirectly detecting the road flatness and outputting a leveling signal.
The detecting piece 604 is further integrally provided with a handle 610, the handle 610 is arranged on one side of the detecting piece 604 and the mounting base 601 which are pivoted and close to the detecting wheel 606, the handle 610 is further provided with a detecting ruler 608, the mounting base 601 is further provided with a guide piece 607 for guiding the detecting ruler 608 to slide, the guide piece 607 is further provided with a locking piece 611 for locking the detecting ruler 608, and the locking piece 611 and the guide piece 607 are in threaded fit for pressing the detecting ruler 608, so that locking is achieved. The frame 201 and the detecting member 604 are further provided with a tension spring 605, and the tension spring 605 is used for keeping the detecting member 604 in a contact state with the displacement sensor 602, thereby improving the detection precision.
The operation process is as follows:
1. the telescopic rod 502 is pulled out, so that the limiting block 504 and the roller 503 are in contact with each other, and the road surface flatness detection device is pulled to the longest;
2. the detection piece 604 is abutted against the displacement sensor 602 by sliding the handle 610 downwards and matching with the detection ruler 608 and the tension spring 605, meanwhile, the detection wheel 606 is contacted with the ground, and the detection ruler 608 is locked by the locking piece 611 and the guide piece 607;
3. the steering connector 109 is fixed to an external vehicle, the road surface flatness detection device is pulled, and the system is started to detect the road.
The storage process comprises the following steps:
1. closing the system, and releasing the steering connector 109 from the outside vehicle;
2. the locking piece 611 and the guiding piece 607 are unscrewed, the handle 610 slides upwards at the same time, the detection ruler 608 is matched, the detection piece 604 is not contacted with the displacement sensor 602, the detection wheel 606 is not contacted with the ground, and then the locking piece 611 and the guiding piece 607 are screwed to realize fixation;
4. the telescopic rod 502 is retracted, so that the limiting block 504 and the roller 503 are contacted with each other, and at the moment, the pavement evenness detection device is folded, and is convenient to store.
Referring to fig. 7, in the present embodiment, the main control module 7 is a computer, and the electronic map may be a Baidu map, a Gade map, an Tencent map, or other electronic maps. The displacement sensor 602 outputs a level signal, and the highest amplitude signal is preset in the main control module 7. The clock module 701 is connected with the main control module 7 and is used for outputting a time signal, and the turn number detection module 702 is connected with the main control module 7 and is used for detecting the current turn number to output a turn number detection signal.
The main control module 7 acquires the leveling signal and converts the leveling signal into a line graph, the line graph takes time as an x axis, the amplitude of the leveling signal is a y axis, a coordinate system is established, the leveling signal is received, and a database is established to generate the line graph. The main control module 7 obtains the adjacent flat signals in the line graph and judges the amplitude.
And when the amplitude of the leveling signal in the line graph is larger than the highest amplitude signal, acquiring a turn number detection signal and a time signal which are associated with the current leveling signal, and indicating an exceeding part of the line graph. Otherwise, the detection is continued.
Radius data and an electronic map corresponding to the circle number detection signals are preset in the main control module 7, the main control module 7 acquires the indicated line graph and judges an abnormal road section in the whole journey according to the circle number detection signals, and the abnormal road section is marked on the electronic map.
The searching mode of the abnormal road section is as follows: when the maximum amplitude signal is exceeded, indicating that the road surface of the current road section is uneven, and at the same time, there is a strong rise or fall, and the current time signal and the turn number detection signal are obtained, and the current distance can be found and marked because the radius data are known.
Referring to fig. 8, in this embodiment, the user module 707 is a portable smart device such as a smart phone or a smart watch, and the user module 707 sends a current location signal at a current location.
When an abnormal road section is marked on the electronic map, the main control module 7 acquires current position signals of a plurality of user modules 707, and determines the user module 707 closest to the current abnormal road section to send maintenance information to the user module 707. And the user module 707 in the maintenance worker receives the maintenance information and then goes to the designated place through the electronic map for maintenance.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (8)

1. A road surface leveling detection device is characterized by comprising:
a steering unit (1) which is in contact with the ground, travels, controls steering, and is connected to an external vehicle;
a traveling unit (3) for traveling on the ground;
a connecting part (2) for connecting the steering part (1) and the traveling part (3);
the detection part (6) is arranged on the connecting part (2) and is used for contacting with the ground and detecting the flatness of the ground so as to output a flatness signal;
the main control module (7) is connected with the detection part (6) and is used for receiving the leveling signal and establishing a database to generate a line graph;
the clock module (701) is connected with the main control module (7) and is used for outputting a time signal;
the turn number detection module (702) is connected with the main control module (7) and is used for detecting the current turn number so as to output a turn number detection signal;
a highest amplitude signal is preset in the main control module (7), and the main control module (7) acquires adjacent flat signals in the line graph and judges the amplitude;
when the amplitude of the leveling signal in the line graph is larger than the highest amplitude signal, acquiring a turn number detection signal and a time signal which are associated with the current leveling signal, and indicating an exceeding part of the line graph;
a telescopic part (5) is also arranged between the connecting part (2) and the running part (3);
the expansion part (5) comprises:
the telescopic seat (501) is arranged on the connecting part (2);
a telescopic rod (502) which is connected with the telescopic seat (501) in a sliding way and is fixed with the driving part (3);
the roller (503) is arranged on the telescopic seat (501) and is used for pressing the telescopic rod (502);
the limiting block (504) is arranged on the telescopic rod (502), is abutted against the roller (503) for limiting the limiting distance and is used for limiting the limit telescopic distance;
the rubber strip (505) is arranged on the telescopic rod (502) and is in abutting connection with the roller (503) and the telescopic seat (501);
the steering section (1) includes:
a steering rod (101) pivoted with the connecting part (2);
a bogie (102) which is rotatably connected to the steering rod (101);
the steering wheel (103) is arranged on the bogie (102) and is in rotating connection with the bogie (102);
the steering connecting rod (104) is fixedly connected with the adjacent steering rod (101);
a steering movable rod (105) movably connected with the adjacent steering frame (102);
the steering driven piece (106) is movably connected with the steering connecting rod (104) and the steering movable rod (105);
the steering connecting piece (107) is fixedly connected to one side, close to the steering movable rod (105), of the steering driven piece (106);
a steering pivot rod (108) pivoted to the steering link (107)
And the steering connector (109) is far away from one side of the steering pivot rod (108) far away from the steering connecting piece (107), is integrally arranged with the steering pivot rod (108) and is used for being connected with an external vehicle.
2. The road surface leveling detection device according to claim 1, characterized in that: the connecting part (2) comprises:
a frame (201) for connecting the traveling part (3) and the connecting part (2);
the first mounting rack (202) is mounted at one end of the rack (201), is integrally arranged with the rack (201), and is used for mounting the steering rod (101);
the first connecting frame (203) is pivoted with the steering rod (101) and the first mounting frame (202);
and the first connecting wheel (204) is rotatably connected to the first connecting frame (203).
3. The road surface leveling detection device according to claim 2, characterized in that: the traveling unit (3) includes:
the second mounting rack (301) is arranged at the other end of the rack (201);
the second connecting frame (302) is pivoted on the second mounting frame (301);
the second connecting wheel (303) is rotatably connected to the second connecting frame (302);
the traveling frame (304) is pivoted with the second connecting frame (302) and the mounting frame;
the running wheels (305) are pivoted on the running frame (304).
4. A road surface leveling detection device according to claim 3, characterized in that: damping mechanisms (4) are arranged between the first connecting wheel (204) and the steering wheel (103) and between the second connecting wheel (303) and the running wheel (305);
the damper mechanism (4) includes:
a lug (401) integrally provided with the first link (203), the second link (302), the traveling frame (304), and the bogie (102);
the elastic needle (402) penetrates through the lugs (401) at two adjacent sides;
the compression spring (403) is sleeved on the elastic needle (402) and is in abutting connection with the support lug (401);
the fixing sleeve (404) is sleeved on the elastic needle (402), is in abutting connection with the pressure spring (403) and is used for fixing the pressure spring (403);
the locknut (405) is in threaded fit with the elastic needle (402) and is in abutting connection with the fixed sleeve (404);
one end of the elastic needle (402) is abutted and limited with one fixing sleeve (404), and the other fixing sleeve (404) is fixed through a releasing nut.
5. The road surface leveling detection device according to claim 1, characterized in that: the detection unit (6) includes:
a mounting seat (601) arranged on the connecting part (2);
the displacement sensor (602) is fixedly arranged on the mounting base (601) in a penetrating way, is tightly pressed and fixed through a bolt (705), and is used for outputting a leveling signal;
a support base (603) arranged on the connecting part (2);
the detection piece (604) is pivoted on the supporting seat (603) and is matched with the displacement sensor (602) for detection;
a tension spring (605) for connecting the detecting member (604) and the connecting portion (2);
the detection wheel (606) is rotatably connected with one side of the detection piece (604) far away from the displacement sensor (602) and is in contact with the ground;
the guide piece (607) is fixedly arranged on the mounting seat (601) in a penetrating way;
a locking member (611) which is screw-engaged with the nut and passes through the fixed detection ruler (608);
the detection ruler (608) is fixedly connected with the detection piece (604), penetrates through the guide piece (607) and is mutually guided with the guide piece (607) to control the descending position of the detection wheel (606);
the transmission head (609) is arranged on the connecting part (2) and is used for outputting a circle number detection signal and a leveling signal;
and the handle (610) is arranged on the detection ruler (608) and is fixedly connected with the detection piece (604).
6. The road surface leveling detection device according to claim 1, characterized in that: the connecting part (2) is further provided with a counterweight box (703), the counterweight box (703) is installed on one side close to the steering part (1), a gap (704) is reserved between the counterweight box (703) and the connecting part (2) and is fixed through a bolt (705), and the counterweight box (703) is further provided with a through hole (706) communicated with the outside.
7. The road surface leveling detection device according to claim 1, characterized in that: radius data and an electronic map corresponding to the circle number detection signals are preset in the main control module (7), the indicated line graph is obtained by the main control module (7), abnormal road sections located in the whole route are judged through the circle number detection signals, and the abnormal road sections are marked on the electronic map.
8. The road surface leveling detection device according to claim 7, characterized in that: the system also comprises a user module (707) connected with the main control module (7), wherein the user module (707) sends a current position signal at the current position;
when an abnormal road section is marked on the electronic map, the main control module (7) acquires current position signals of a plurality of user modules (707), and judges the user module (707) closest to the current abnormal road section to send maintenance information to the user module (707).
CN201811252104.6A 2018-10-25 2018-10-25 Road surface flatness detection device Active CN109373876B (en)

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CN113718607A (en) * 2021-09-29 2021-11-30 南京路通交科勘察设计有限公司 Highway bridge flatness detection equipment and detection method thereof
CN115787414A (en) * 2022-12-06 2023-03-14 袁胜 Road surface flatness detection balance support and detection structure and detection method thereof

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Denomination of invention: A Road Leveling Detection Device

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