CN219951631U - Pavement defect detection device - Google Patents

Abstract

The utility model discloses a pavement defect detection device, and relates to the technical field of road detection. The technical key points are as follows: the device comprises a moving platform, wherein a moving unit is respectively arranged at four corners below the moving platform, a detecting rod is inserted in the middle position of the moving platform and is in sliding connection with the moving platform, a first moving wheel is arranged at the lower end of the detecting rod, a spray pipe is arranged at the upper end of the detecting rod, an ink supply unit is connected at the tail part of the spray pipe, and the ink supply unit can supply ink with certain pressure to the spray pipe; the output end of the jet pipe is opposite to the recording unit, and the recording unit can collect the ink sprayed by the jet pipe. In the moving process of the moving platform, the detecting rod at the middle position of the moving platform can draw the road surface flatness on the recording unit by using the spray pipe, so that the detecting efficiency of technicians on road flatness is effectively improved.

Description

Pavement defect detection device

Technical Field

The utility model relates to the technical field of road detection, in particular to a road surface defect detection device.

Background

The municipal road refers to an urban road, and the municipal road is classified into five grades according to the position, traffic function and service function along the road network: expressways, arterial roads, secondary arterial roads, branches and intra-zone roads. The construction of municipal road can create very convenient traffic condition for people's trip, effectively guarantees people's traffic efficiency. In order to ensure that the municipal road can better realize the use function, the quality control in the construction stage is particularly important. The quality problems that often exist in municipal road construction are: the pavement evenness caused by uneven compaction operation is insufficient; road surface cracks generated by uneven settlement of roadbed; and pitted honeycomb which occurs when the quality of the material is poor.

The flatness of municipal road pavement is detected by adopting a 3m ruler at present, when the flatness is detected, the 3m ruler is arranged on the pavement of a test place according to the direction required to be determined, the clearance condition between the bottom surface of the 3m ruler and the pavement is visually detected, then a clearance is plugged by using a clearance gauge with a height mark, the maximum clearance height is measured, and finally a detection report is calculated and written on data. The flatness of the municipal road is detected by using the 3m ruler, and the detection device is simple and visual in result, but when the detected municipal road is long, a great amount of physical strength of technicians can be consumed, and the problem of low detection efficiency exists.

Disclosure of Invention

The utility model provides a pavement defect detection device which can effectively improve the detection efficiency and reduce the physical effort of technicians when detecting the flatness of a long-section municipal road.

The above object of the present utility model is achieved by the following technical solutions:

the pavement defect detection device comprises a moving platform, wherein a moving unit is respectively arranged at four corners below the moving platform, a detection rod is inserted in the middle of the moving platform and is in sliding connection with the moving platform, a first moving wheel is arranged at the lower end of the detection rod, a spray pipe is arranged at the upper end of the detection rod, an ink supply unit is connected to the tail of the spray pipe, and the ink supply unit can supply ink with certain pressure to the spray pipe; the output end of the spray pipe is opposite to the recording unit, and the recording unit can collect ink sprayed by the spray pipe; the recording unit comprises two first upright posts symmetrically arranged along the width direction of the mobile platform, one end, far away from the spray pipe, of each first upright post is provided with a second upright post and a third upright post, the lower end of each second upright post is fixedly connected with the mobile platform, the upper end of each second upright post is sleeved with a paper roll and is rotationally connected with the paper roll, the lower end of each third upright post penetrates through the mobile platform and then is connected with the driving assembly, the upper end of each third upright post is provided with a storage barrel, and the storage barrel is in sliding connection with the third upright post along the vertical direction; the free end of the roll paper on the roll paper cylinder sequentially bypasses two first upright posts and is fixedly connected with the storage cylinder after approaching one side of the spray pipe.

Further, the upper ends of the two first upright posts are respectively sleeved with a roller, the two rollers are respectively and correspondingly connected with the first upright posts in a rotating mode, and the free ends of the roll paper on the paper roll tube are respectively and sequentially wound around the two rollers and fixedly connected with the storage barrel after being close to one side of the spray pipe.

Further, the driving assembly comprises a driving motor arranged on the moving platform, the output end of the driving motor vertically penetrates through the moving platform downwards and then is fixedly connected with a first gear, the output end of the driving motor is rotationally connected with the moving platform, a second gear is meshed with one side of the first gear, and the lower end of the third upright post is fixedly connected with the second gear.

Further, the ink supply unit comprises a placing sleeve, the lower end of the placing sleeve is fixedly connected with the moving platform, an ink storage barrel is placed in the placing sleeve, a pump is arranged between the detecting rod and the ink storage barrel, a shell of the pump is installed on the moving platform, and the ink storage barrel, the pump and the spray pipe are communicated through an ink conveying pipe.

Further, driving motor is located two first stand the second stand with the intermediate position of third stand, two first stand the second stand with the outside of third stand is equipped with the protective housing, the top of protective housing is equipped with the removable cover that can freely open, the protective housing is close to detection pole one end and is open structure.

Further, the mobile unit includes the threaded rod, the screw thread runs through mobile platform and threaded connection between the two, the second removes the round is installed to the lower extreme of threaded rod, the upper end of threaded rod is equipped with fixed carousel, be equipped with a word groove on the fixed carousel.

Further, a hidden handle is mounted on the top plate of the ink storage barrel.

In summary, the present utility model includes at least one of the following beneficial technical effects:

in the process that the moving platform moves along the road surface to be inspected through the moving unit below the moving platform, when the road surface is uneven, the detecting rod moves up and down along the vertical direction, so that when the ink is sprayed on the roll paper by the spray pipe, the roll paper continuously slides through the front side of the spray pipe under the drive of the driving component, a moving track is left on the roll paper by the ink sprayed by the spray pipe, if the road surface is flat, a line on the roll paper is a straight line, if the road surface is convex, corresponding protrusions appear on the roll paper above the straight line, and if the road surface is concave, corresponding concave lines appear on the roll paper below the straight line. When a technician pushes the mobile platform to run away the municipal road to be detected, the roll paper used on the storage barrel is taken down and re-opened, so that the position of the road, which is convex or concave, and the corresponding height or depth can be clearly known.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the protective case of the present utility model;

fig. 3 is a schematic view of the structure of the driving assembly of the present utility model.

Reference numerals: 1. a mobile platform; 2. a mobile unit; 21. a threaded rod; 22. a second moving wheel; 23. a fixed turntable; 24. a straight slot; 3. a detection rod; 4. a first moving wheel; 5. a spray pipe; 6. an ink supply unit; 61. placing a sleeve; 62. an ink storage barrel; 63. a pump machine; 64. an ink delivery tube; 7. a recording unit; 71. a first upright; 72. a second upright; 73. a third upright; 74. a paper roll; 75. a drive assembly; 751. a driving motor; 752. a first gear; 753. a second gear; 76. a storage barrel; 8. a roller; 9. a protective shell; 10. the handle is hidden.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are also within the scope of the utility model.

As shown in fig. 1, 2 and 3, a pavement defect detection device comprises a mobile platform 1, wherein a mobile unit 2 is respectively arranged at four corners below the mobile platform 1, a detection rod 3 is inserted in the middle of the mobile platform 1 and is in sliding connection with the mobile platform, a first mobile wheel 4 is installed at the lower end of the detection rod 3, a spray pipe 5 is installed at the upper end of the detection rod 3, an ink supply unit 6 is connected to the tail of the spray pipe 5, and the ink supply unit 6 can supply ink with certain pressure to the spray pipe 5; the output end of the nozzle 5 is directed towards the recording unit 7, and the recording unit 7 is adapted to collect ink ejected from the nozzle 5.

The recording unit 7 comprises two first upright posts 71 symmetrically arranged along the width direction of the mobile platform 1, one end, far away from the spray pipe 5, of each first upright post 71 is provided with a second upright post 72 and a third upright post 73, the lower end of each second upright post 72 is fixedly connected with the mobile platform 1, the upper end of each second upright post 72 is sleeved with a paper roll 74 and is rotationally connected with the corresponding paper roll 74, the lower end of each third upright post 73 passes through the mobile platform 1 and is connected with a driving assembly 75, the upper end of each third upright post 73 is provided with a storage barrel 76, and the storage barrel 76 is in sliding connection with the corresponding third upright post 73 along the vertical direction; the free end of the roll paper on the roll paper tube 74 sequentially bypasses one side of the two first upright posts 71 close to the spray pipe 5 and is fixedly connected with the storage tube 76.

In the above embodiment, one end of the mobile platform 1 of the present utility model is provided with the handle, and a technician can move the mobile platform 1 by pushing the mobile platform 1 by the handle to freely travel on the road with the aid of the lower mobile units 2, the first mobile wheel 4 below the detection rod 3 arranged in the middle of the mobile platform 1 is in a normal state and is closely attached to the road surface as the mobile units 2, but when the road surface is raised, the detection rod 3 is lifted upwards by the raised surface, and when the road surface is recessed, the detection rod 3 moves downwards under the dead weight. The free end of the roll paper and the storage barrel 76 can be adhered and fixed through double-sided adhesive tape, a plastic block can be arranged at the free end of the roll paper, a clamping groove is formed in the storage barrel 76, the plastic block is inserted into the clamping groove to realize detachable connection between the free end of the roll paper and the storage barrel 76, the specific connection mode is not limited to the two modes, and the roll paper and the storage barrel 76 can be connected in any mode as long as the roll paper is convenient to mount and dismount. The second upright post 72 is provided with a limit baffle, when the paper roll 74 is sleeved on the second upright post 72, the limit baffle can prevent the paper roll 74 from falling down, the paper roll 74 can freely rotate around the axis of the second upright post 72 on the limit baffle, and when the paper roll 74 needs to be replaced later, the paper roll 74 is only required to be taken off from the limit baffle.

When a technician needs to detect the flatness of the municipal road, the driving assembly 75 and the ink supply unit 6 can be started while pushing the moving platform 1 to move, the driving assembly 75 of the utility model can drive the third upright post 73 to rotate with the storage barrel 76 on the third upright post, and the storage barrel 76 is connected with the free end of the paper barrel 74, so that the storage barrel 76 can gradually wind up the roll paper, the roll paper on the paper barrel 74 can move along the continuous box storage barrel 76 direction of the two first upright posts 71 in the process, and the two first upright posts 71 not only provide guiding function for the movement of the roll paper, but also form a dynamic screen in front of the output end of the spray pipe 5; at this time, the detecting rod 3 is in a travelling state along the road along with the moving platform 1, the spray pipe 5 on the detecting rod sprays ink to the roll paper between the two first upright posts 71 in real time, if the pavement of the municipal road is smooth, the ink sprayed by the spray pipe 5 can leave a straight line on the moving roll paper, when the pavement is raised or recessed, the corresponding raised or recessed line can also be left on the roll paper, and the roll paper can mark scales in advance during production. The detection efficiency of the technical staff to the road surface roughness is effectively improved, and the working strength of the technical staff is reduced.

If a pen is installed at the upper end of the detection rod 3, the pen nib of the pen slides and leaves handwriting on the roll paper to record the flatness of the road surface in the moving process of the detection rod 3, the gap is likely to appear between the pen nib and the roll paper in the moving process of the pen due to soft paper, so that the defect of recorded data is likely to be caused, and the pen is likely to be closely adhered to the paper to realize the effect of writing and recording, so that the problem that the pen breaks the paper easily occurs in the using process. The utility model records the evenness of the road surface by spraying ink to the roll paper direction through the spray pipe 5, and the spray pipe 5 is not contacted with the roll paper, but the ink with pressure is sprayed on the paper, so that corresponding marks are left after the ink is adsorbed on the paper, the problem of writing on the roll paper directly can not exist, and the detection device also has the advantage of stable recording effect.

Further, as shown in fig. 2 and 3, the upper ends of the two first upright posts 71 are respectively sleeved with a roller 8, the two rollers 8 are respectively and rotatably connected with the corresponding first upright posts 71, and the free end of the roll paper on the paper roll 74 is fixedly connected with the storage barrel 76 after bypassing one side, close to the spray pipe 5, of the two rollers 8 in sequence.

In the above embodiment, when the housing tube 76 on the third upright 73 is rotated, the friction force applied to the roll paper when moving along the two rollers 8 is smaller, so that not only the abrasion to the paper can be reduced, but also the process of moving the roll paper can be made smoother.

Further, as shown in fig. 2 and 3, the driving assembly 75 includes a driving motor 751 mounted on the moving platform 1, an output end of the driving motor 751 vertically passes through the moving platform 1 downwards and is fixedly connected with a first gear 752, an output end of the driving motor 751 is rotatably connected with the moving platform 1, a second gear 753 is meshed with one side of the first gear 752, and a lower end of the third upright post 73 is fixedly connected with the second gear 753.

In the above embodiment, the driving motor 751 of the present utility model is operated to drive the first gear 752 to rotate, and the first gear 752 rotates with the second gear 753 engaged therewith, so that the storage cylinder 76 mounted on the third column 73 connected to the second gear 753 stores the used roll paper. Wherein the speed of the receiving cylinder 76 for receiving the roll paper can be realized by a technician by adjusting the rotation speed of the driving motor 751, thereby effectively improving the convenience of the using process of the utility model.

Further, as shown in fig. 1, the ink supply unit 6 includes a placement sleeve 61, the lower end of the placement sleeve 61 is fixedly connected with the moving platform 1, an ink storage barrel 62 is placed in the placement sleeve 61, a pump 63 is arranged between the detection rod 3 and the ink storage barrel 62, a casing of the pump 63 is mounted on the moving platform 1, and the ink storage barrel 62, the pump 63 and the spray pipe 5 are communicated through an ink conveying pipe 64.

In the above embodiment, the ink tank 62 is filled with ink, and is directly placed into the placement sleeve 61 when in use, so that shaking can be avoided when the moving platform 1 moves, and the ink tank 62 and the placement sleeve 61 are not connected, so that the ink tank 62 can be easily removed from the placement sleeve 61 later. During the movement of the moving platform 1 of the present utility model, the pump 63 can pump the ink in the ink tank 62 to the nozzle 5 through the ink pipe 64, so as to provide the ink source for the nozzle 5, and facilitate the nozzle 5 to record the movement state of the detecting rod 3 below the nozzle on the roll paper.

Further, as shown in fig. 1 and 2, the driving motor 751 is located at the middle position of the two first upright posts 71, the second upright posts 72 and the third upright posts 73, the outer sides of the two first upright posts 71, the second upright posts 72 and the third upright posts 73 are provided with the protective shell 9, the top of the protective shell 9 is provided with a movable cover plate capable of being opened freely, and one end of the protective shell 9 close to the detection rod 3 is of an open structure.

In the above embodiment, the driving motor 751 of the present utility model is provided in the middle of the two first, second and third columns 71, 72 and 73, so that the space on the mobile platform 1 can be efficiently utilized, the structure of the related modules can be more neat and compact, and it is convenient to protect them all at one time by a protective case 9 of simple structure. Wherein the removable cover at the upper end of the protective shell 9 of the present utility model facilitates the replacement of the paper roll 74 by a technician. The removable cover can be covered on the protective case 9 during use, so that the influence of the external environment on the recording unit 7 can be reduced.

Further, as shown in fig. 1, the moving unit 2 includes a threaded rod 21, a thread penetrates through the moving platform 1 and is in threaded connection with the threaded rod, a second moving wheel 22 is installed at the lower end of the threaded rod 21, a fixed turntable 23 is arranged at the upper end of the threaded rod 21, and a linear groove 24 is formed in the fixed turntable 23.

In the above embodiment, since the town road is often provided with a transverse slope along the width direction during construction, if the distance between the second moving wheel 22 and the moving platform 1 is constant, the gravity center may be cheap during the moving process of the moving platform 1, which affects the moving stability of the moving platform 1. The threaded rod 21 connected with the second movable wheels 22 is in threaded connection with the movable platform 1, so that a technician can adjust the distances between the four second movable wheels 22 and the movable platform 1 before detection, the movable platform 1 is always in a horizontal state in the detection process, and the risk of overturning of a detection device in the detection process is reduced. The utility model is provided with the straight groove 24 on the threaded rod 21, which is convenient for a technician to rotate the threaded rod 21, thereby adjusting the position of the second moving wheel 22 in the vertical direction.

Further, as shown in fig. 2, a hidden handle 10 is mounted on the top plate of the ink tank 62.

In the above embodiment, the technician can take out the ink storage barrel 62 from the placement sleeve 61 through the hidden handle 10, and the hidden handle 10 can be hidden on the top plate of the ink storage barrel 62 in a normal state, so that the appearance is more concise and attractive, and a plurality of ink storage barrels 62 are stacked in a warehouse to be stored conveniently, and the warehouse space is saved.

The implementation principle of the embodiment is as follows: before use, the technician opens the movable cover plate above the protective shell 9, then places a new paper roll 74 on the second upright post 72, then sequentially bypasses the free ends of the paper roll on the paper roll 74 around the rollers 8 on the two first upright posts 71, and finally fixes the free ends on the storage barrel 76 of the third upright post 73, and covers the movable cover plate of the protective shell 9 again. An ink tank 62 containing ink is placed in the placement sleeve 61 and connected to a pump 63 via an ink feed tube 64. During the use, the technician promotes mobile platform 1 along the road that awaits measuring, start pump 63 and driving motor 751 simultaneously, at this moment the measuring rod 3 in the middle of mobile platform 1 can take place corresponding motion in vertical direction along with the roughness change on road surface, the spray tube 5 of measuring rod 3 upper end can spout the ink that pump 63 conveyed on the stock form that the place ahead was always moved, if the road surface is level, the trace that spray tube 5 left on the roll up can be a straight line, if the road surface is protruding or concave, the trace that spray tube 5 left on the roll up also can be a corresponding protruding or concave line. After use, the technician turns off the pump 63 and the driving motor 751, opens the movable cover plate on the top of the protective case 9, then breaks the roll paper on which ink has not been sprayed, removes the storage drum 76 from the third upright post 73, and again opens the roll paper wound on the storage drum 76, and records the specific position of the road surface with the unevenness problem and the degree of the road surface unevenness with reference to the scale on the roll paper. Compared with the prior art, the efficiency of municipal road detection is effectively improved, and the physical strength required to be consumed during detection of technicians is reduced.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will appreciate that; the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (7)

1. The utility model provides a road surface defect detection device, includes moving platform (1), the below four corners of moving platform (1) is equipped with a mobile unit (2) respectively, its characterized in that: the device is characterized in that a detection rod (3) is inserted in the middle position of the mobile platform (1) and is connected with the mobile platform in a sliding manner, a first moving wheel (4) is installed at the lower end of the detection rod (3), a spray pipe (5) is installed at the upper end of the detection rod (3), an ink supply unit (6) is connected to the tail of the spray pipe (5), and the ink supply unit (6) can supply ink with certain pressure to the spray pipe (5); the output end of the spray pipe (5) is opposite to the recording unit (7), and the recording unit (7) can collect ink sprayed by the spray pipe (5);

the recording unit (7) comprises two first stand columns (71) symmetrically arranged along the width direction of the moving platform (1), one end, away from the spray pipe (5), of each of the two first stand columns (71) is provided with a second stand column (72) and a third stand column (73), the lower end of each second stand column (72) is fixedly connected with the moving platform (1), the upper end of each second stand column (72) is sleeved with a paper roll (74) and is rotationally connected with the paper roll, the lower end of each third stand column (73) penetrates through the moving platform (1) and then is connected with the driving assembly (75), the upper end of each third stand column (73) is provided with a storage barrel (76), and the storage barrels (76) are in sliding connection with the third stand columns (73) along the vertical direction; the free ends of the roll paper on the roll paper cylinder (74) are fixedly connected with the storage cylinder (76) after bypassing one side of the two first upright posts (71) close to the spray pipe (5) in sequence.

2. The pavement defect detection apparatus according to claim 1, wherein: the upper ends of the two first upright posts (71) are respectively sleeved with a roller (8), the two rollers (8) are respectively and rotatably connected with the corresponding first upright posts (71), and the free ends of the roll paper on the paper roll tube (74) are fixedly connected with the storage tube (76) after bypassing the two rollers (8) in sequence and approaching to one side of the spray tube (5).

3. The pavement defect detection apparatus according to claim 2, wherein: the driving assembly (75) comprises a driving motor (751) arranged on the moving platform (1), the output end of the driving motor (751) vertically penetrates through the moving platform (1) downwards and then is fixedly connected with the first gear (752), the output end of the driving motor (751) is rotationally connected with the moving platform (1), a second gear (753) is meshed with one side of the first gear (752), and the lower end of the third upright post (73) is fixedly connected with the second gear (753).

4. The pavement defect detection apparatus according to claim 1, wherein: the ink supply unit (6) comprises a placing sleeve (61), the lower end of the placing sleeve (61) is fixedly connected with the moving platform (1), an ink storage barrel (62) is placed in the placing sleeve (61), a pump (63) is arranged between the detecting rod (3) and the ink storage barrel (62), a shell of the pump (63) is mounted on the moving platform (1), and the ink storage barrel (62), the pump (63) and the spray pipe (5) are communicated through an ink conveying pipe (64).

5. A pavement defect detection apparatus according to claim 3, wherein: the driving motor (751) is located at the middle positions of the first upright post (71), the second upright post (72) and the third upright post (73), the outer sides of the first upright post (71), the second upright post (72) and the third upright post (73) are provided with protective cases (9), the top of each protective case (9) is provided with a movable cover plate capable of being opened freely, and one end, close to the detection rod (3), of each protective case (9) is of an open structure.

6. The pavement defect detection apparatus according to claim 1, wherein: the mobile unit (2) comprises a threaded rod (21), the threads penetrate through the mobile platform (1) and are in threaded connection with each other, a second mobile wheel (22) is installed at the lower end of the threaded rod (21), a fixed rotary table (23) is arranged at the upper end of the threaded rod (21), and a character groove (24) is formed in the fixed rotary table (23).

7. The pavement defect detection apparatus according to claim 4, wherein: a hidden handle (10) is arranged on the top plate of the ink storage barrel (62).