CN218545600U

CN218545600U - Road marking detection equipment

Info

Publication number: CN218545600U
Application number: CN202223179617.3U
Authority: CN
Inventors: 李征; 石润明; 樊志强; 付幻辰
Original assignee: Tangshan Huazhan Technology Co ltd
Current assignee: Tangshan Huazhan Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-02-28
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to a road marking detection device, which comprises a frame capable of walking on a road, a top beam moving along a Z axis of the frame, a longitudinal moving beam arranged on the top beam, and a laser range finder moving along a Y axis arranged under the longitudinal moving beam, wherein the laser range finder detects the distance from the laser range finder to the ground of a wheel and the distance from the laser range finder to a road marking; the top beam is also provided with a measurement and control assembly, the measurement and control assembly comprises a support column which is fixedly connected with the top beam and is vertical to the ground of the wheel, the bottom of the support column is provided with a contact, the contact comprises a connecting seat fixedly connected to the lower end of the support column, and the connecting seat is connected with the ground contact block through a spring; the vertical height difference between the laser range finder and the lower side of the contact is equal to the effective measuring distance of the laser range finder; the connecting seat downside is equipped with contact pick up, and contact pick up removes subassembly, Y axle and removes that subassembly mobility control mechanism links to each other with the X axle, the utility model discloses automatic correction is effectual to measure the height, and the protection detects data and has authenticity and validity, detects fastly, and the precision is high.

Description

Road marking detection equipment

Technical Field

The utility model relates to a marking construction detects the setting, specifically is a road marking check out test set.

Background

The road traffic marking line comprises a lane separation line, a zebra crossing of a pedestrian crosswalk and marking signs such as deceleration, traffic guidance, straight running, turning and the like of a motor vehicle, and is an important guarantee for guiding vehicles and pedestrians to pass in order. The thickness of sign line layer is as the key index of later stage quality acceptance, and whether sign line thickness accords with the standard needs detect after the construction is accomplished.

Carry out road surface marking thickness measurement's device among the prior art, like chinese utility model patent, patent number 202010619729.2, the publication number of granting: CN111578855A, the announcement date is: 2020.08.25. the measuring equipment comprises a trolley, wherein the bottom end of a trolley support is provided with a small wheel, and the top of the trolley support is fixedly connected with a laser range finder; the handrail of the cart is pushed to enable the laser range finder to move forwards along with the cart in a straight line, and data are collected in the moving process.

Utilize laser range finder's road marking measuring equipment among the prior art, the automobile body is the rigid support, and range finder fixed mounting can only guarantee laser rangefinder's effective mounting height through reasonable in design's automobile body height or range finder mounting bracket on the frame. The effective detection distance of the common laser range finder is 70 mm-130 mm. Generally, the vehicle-type equipment has a large volume, a vehicle body of the vehicle-type equipment travels on a road surface when the vehicle-type equipment moves, the laser range finder is generally positioned at the lower part of the vehicle body, if more objects are placed on the road surface on the moving path of the cart and obstacles exist, the objects must bypass or pass through the cart or the equipment is easily damaged due to the collision of the obstacles on the road surface.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem to provide a convenient removal, and the effective road marking thickness measurement car that detects the position of automatic positioning.

The utility model provides a problem, the technical scheme who adopts is:

a road marking detection device comprises a frame, wheels are arranged at the bottom of the frame, a handrail is arranged at the rear end of the frame, and a distribution box and a measurement control system are arranged on the frame; the vehicle frame is also provided with a laser range finder which detects the distance from the vehicle range finder to the ground of the wheels and the distance from the vehicle range finder to a road mark, the left side and the right side of the vehicle frame are fixedly connected with upright posts, Z-axis moving assemblies are respectively arranged in the upright posts, and top beams are arranged on the Z-axis moving assemblies; a longitudinal translation beam is arranged on the lower side of the top beam and arranged along the front and back directions of the frame, a Y-axis moving assembly is installed in the longitudinal translation beam, and a laser range finder is fixedly connected to the lower side of a sliding block of the Y-axis moving assembly; a measurement and control assembly is further arranged beside the longitudinal translation beam on the top beam, the measurement and control assembly comprises a support column which is fixedly connected with the top beam and is vertical to the ground of the wheel, a contact is arranged at the bottom of the support column, the contact comprises a connecting seat fixedly connected to the lower end of the support column, and the connecting seat is connected with the ground contact block through a spring; the vertical height difference of the laser range finder from the lower side of the contact is equal to the effective measuring distance of the laser range finder; a contact sensor is arranged on the lower side of the connecting seat, and a trigger column which is in coupling contact with the contact sensor is arranged on the upper side of the grounding block; the contact sensor is connected with a measurement control system, and the measurement control system is connected with the X-axis moving assembly and the Y-axis moving assembly moving control mechanism.

Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that:

1) The utility model adopts the laser range finder to measure the thickness of the road marking, the data precision is high, and the detection speed is fast; 2) The utility model automatically corrects the effective measuring height, and protects the authenticity and validity of the detection data; 3) The utility model realizes the automatic measurement and recording of the pavement marking, and has convenient operation, fast detection speed and high precision; 4) The utility model discloses realize that the test data is uploaded immediately, report fast and measure the structure, can gather and record the affiliated highway section of each marking thickness value simultaneously moreover, form the data matrix, make things convenient for statistics of data, analysis and contrast.

Preferably, the present invention further provides:

the ground contact block is of a square sheet structure, and the springs connected with the mounting seat are respectively mounted at four corners of the ground contact block. According to the scheme, the grounding positioning component is in contact with the ground surface, and the phenomenon that the detection base surface is not uniform due to small unevenness of the ground surface is avoided.

The ground contact block consists of a roller and a roller frame, the roller is a rigid long-shaft traveling wheel, the roller frame is H-shaped, the lower end of the roller is connected with the two ends of a roller shaft, the upper end of the roller frame is connected with a connecting seat, and a connecting beam of the roller frame is provided with a trigger column. The scheme adopts a positioning adjustment component which can continuously move on the ground, and realizes real-time and rapid adjustment.

The vertical height difference of the laser range finder from the bottom of the measurement and control assembly is 80mm. The height difference is the optimal detection distance of the laser range finder.

An X-axis moving assembly is arranged in the top beam, and the longitudinal translation beam is connected with a sliding block of the X-axis moving assembly; and the visual detection system is used for monitoring the position of the road marking below the vehicle body and is connected with the X-axis moving component movement control mechanism. According to the scheme, the longitudinal translation beam can automatically move above the marked line, the position of the vehicle body does not need to be manually adjusted, and the use is more convenient.

Three laser detectors are arranged side by side. According to the scheme, multiple data are collected, each result is determined after the data set is processed, the accuracy is improved, and the condition that the result is inaccurate due to data generated under individual conditions is eliminated.

Drawings

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a structural diagram of an embodiment of the measurement and control assembly of the present invention;

FIG. 5 is a second structural diagram of the embodiment of the measurement and control assembly of the present invention;

FIG. 6 is a side view structure diagram of the measurement and control assembly of the present invention;

FIG. 7 is a diagram of a sliding table of a guide rail of a synchronous belt;

FIG. 8 is a schematic view of the vertical detection status of the present invention;

fig. 9 is a schematic view of the depression detection state of the present invention.

In the figure: 1. a frame; 2. a column; 3. a top beam; 4. a longitudinally translating beam; 5. a measurement and control component; 51. a support pillar; 6. a laser range finder; 61. a support; 7. a wheel; 8. a connecting rod; 9. a camera; 10-1, a contact sensor; 10-2, triggering a column; 11. a synchronous belt guide rail sliding table; 91. a sliding table body; 92. a sliding table; 93. a mounting base; 94. an electric motor.

Detailed Description

The invention will be further described with reference to the following examples, which are intended only for better understanding of the invention and therefore do not limit the scope of the invention.

Referring to fig. 1 to 9, the utility model provides a road marking check out test set, including frame 1, frame 1 bottom is equipped with wheel 7, and the rear end is equipped with the handrail, still installs the block terminal on frame 1, and the block terminal provides the electric energy for each component on the car. And a rechargeable battery pack is arranged in the distribution box. Still be equipped with door-type support frame on frame 1, this door-type support frame includes two stands and a back timber, and two stands 2 are fixed in the centre of frame 1 left and right sides two roof beams, and its internally mounted has Z axle to remove the subassembly, and the installation back timber on the Z axle removes the subassembly slider realizes that back timber 3 reciprocates along stand 2. The lower side of the top beam 3 is provided with a longitudinal translation beam 4, the longitudinal translation beam 4 is arranged along the front and back directions of the frame 1, a Y-axis moving assembly is arranged in the longitudinal translation beam 4, and a sliding block of the Y-axis moving assembly is fixedly connected with the laser range finder 6, so that the laser range finder 6 can move along the longitudinal translation beam.

The utility model discloses an implement experimentally, the best detection distance of surveying ground 12 and road marking 13 with laser range finder 6 is 80mm, consequently when control back timber 3 moves down, laser range finder 6 stops highly being good here. The utility model provides an automatic correction positioning structure, the longitudinal translation roof beam 4 next door still is equipped with the measurement and control subassembly 5, the measurement and control subassembly 5 includes the support column 51 that falls to the ground perpendicular to wheel 7 that is rigid connected with the back timber 3, the support column 51 bottom is equipped with the contact, the contact includes the connecting seat 52 of rigid connection in the support rod lower extreme, the connecting seat 52 is connected with the piece 54 that contacts to the ground through the spring 53; the vertical height difference between the laser range finder 6 and the lower side of the contact is equal to the effective measuring distance of the laser range finder 6; the contact sensor 10-1 is arranged at the lower side of the connecting seat 52, and the trigger column 10-2 which is in coupling contact with the contact sensor 10-1 is arranged at the upper side of the grounding block 54; the contact sensor 10-1 is connected to a measurement control system which is connected to a movement drive control mechanism of the roof beam 3.

The contact sensor 81 is in control connection with the drive motor of the roof rail 3. Therefore, when the contact sensor 81 detects that the contact patch 54 is grounded, it represents that the laser range finder 6 has reached the optimal position, and the lowering of the top beam 3 is stopped.

The first embodiment is as follows: the grounding contact block 54 has a square plate structure, and the springs 53 connected to the connecting base 52 are respectively installed at four corners thereof. The ground contact positioning component and the ground 12 are in surface contact, so that the situation that the obtained ground height (measuring base surface) is inaccurate due to the fact that the bottom of the ground contact block 54 is too small to poke into a pit or a local protruding position of the ground 12 or is obviously higher than the ground where the wheels 7 fall is avoided, the measured value is inaccurate, the value is lost, and the detection base surface is unified due to surface-to-surface contact.

Example two: the ground contact block 54 is composed of a roller 54-1 and a roller frame 54-2, the roller 54-1 is a rigid long-shaft traveling wheel, the roller frame 54-2 is H-shaped, the lower end of the roller frame is connected with two ends of a roller shaft, the upper end of the roller frame is connected with the connecting seat 52, and a connecting beam of the roller frame is provided with a trigger column 10-2. The roller 54-1 moves together with the vehicle body on the ground, the laser range finder of the utility model is provided with three, the line perpendicular to the longitudinal translation roof beam of three laser range finder. The three laser range finders move synchronously along the extension direction of the marked line.

And the height of the distance sensor is continuously adjusted, so that real-time and rapid adjustment is realized.

Further, an X-axis moving assembly is installed in the top beam, and the longitudinal translation beam 4 is connected with a sliding block of the X-axis moving assembly; and a visual detection system 9 for monitoring the position of the road marking is also arranged, and the visual detection system 9 is connected with the movement control of the X-axis moving assembly. This scheme leads to vision detecting system 9 and detects the position of the below volume of awaiting measuring region marking 13 of automobile body, makes vertical translation roof beam 4 ability automatic movement to marking 13 top, does not need the manual work to adjust the automobile body position and adjusts well, and it is more convenient to use.

Referring to fig. 2 and 8, the Z-axis moving assembly, the Y-axis moving assembly, and the X-axis moving assembly are all timing belt guide slides 11. The slider of Y axle removal subassembly and distancer installing support rigid coupling, three laser range finder assemble on this distancer installing support.

The utility model also comprises a control box, wherein the control box is provided with a micro-processing module, a communication module, a display module and a positioning module; the laser range finder, the positioning module, the display module and the communication module are all connected with the micro-processing module, wherein the positioning module is used for collecting the currently detected geographic position; and the micro-processing module sends data to the server through the communication module.

The utility model is suitable for a newly laid level and smooth road surface's marking detects. Before the device is used, detection and debugging are carried out firstly, and the phenomenon that the movement of the device does not accord with a strict three-dimensional coordinate system due to installation errors of the wheels 7, the frame 1, the upright posts 2, the top beam 3 and the longitudinal translation beam 4 is eliminated. The ground of the debugged wheel 7 is an XOY base surface of a three-dimensional coordinate system, the top beam 3 moves along the Z axis, and the laser range finder 6 moves along the Y axis. During debugging, the measurement and control assembly 5 is grounded, and the height from the laser range finder 6 to the base surface is measured and recorded as H1.

The utility model discloses a use:

1) The top beam 3 stops on the highest point, and the vehicle body is manually pushed to the position to be measured.

2) The road measuring and controlling device walks along the marked line 13 on the road, so that the laser range finder 6 is positioned above the marked line 13, and the measuring and controlling component 5 is positioned above the road ground 12 beside the marked line 13.

3) After the vehicle body is arranged, the vehicle body stops at the beginning end of the marked line 13, the wheel seat is located on the ground 12, and the ground 13 is an XOY plane.

4) And controlling the top beam 3 to move downwards, and when the measurement and control assembly 5 contacts the ground 12, stopping moving the top beam 7 and enabling the laser range finder 6 to reach the working height.

5) And controlling the laser range finder 6 to move, and connecting and acquiring the surface height H2 of the distance marking 13 in the moving process.

6) H1-H2= H, H being the thickness of the road marking 13. If the laser range finder 6 performs 10 × 3 measurements at a time, then H2 is the average of 30 measurements.

The utility model has the advantages that:

the laser range finder of the utility model can be lifted above the frame and retracted into the vehicle body, thereby avoiding collision damage and being convenient to move and carry; the utility model can automatically position and effectively detect the height, and ensure the laser range finder to collect effective data; the utility model discloses eliminate the data that causes because of the individual structure in ground unusual, the unsafe condition with the form of data array group.

The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent variations made by using the contents of the specification and the drawings are included in the scope of the present invention.

Claims

1. A road marking detection device comprises a frame, wheels are arranged at the bottom of the frame, a handrail is arranged at the rear end of the frame, and a distribution box and a measurement control system are arranged on the frame; still be equipped with laser range finder on the frame, laser range finder detects its self to the distance on wheel ground and to the distance of road marking, its characterized in that: the left side and the right side of the frame are fixedly connected with upright columns, Z-axis moving assemblies are respectively arranged in the two upright columns, and top beams are arranged on the Z-axis moving assemblies; a longitudinal translation beam is arranged on the lower side of the top beam and arranged along the front and back directions of the frame, a Y-axis moving assembly is installed in the longitudinal translation beam, and a laser range finder is fixedly connected to the lower side of a sliding block of the Y-axis moving assembly; the measuring and controlling component is arranged beside the longitudinal translation beam on the top beam, the measuring and controlling component comprises a supporting column which is fixedly connected with the top beam and is vertical to the ground of the wheel, the bottom of the supporting column is provided with a contact, the contact comprises a connecting seat fixedly connected to the lower end of the supporting column, and the connecting seat is connected with the ground contact block through a spring; the vertical height difference of the laser range finder from the lower side of the contact is equal to the effective measuring distance of the laser range finder; a contact sensor is arranged on the lower side of the connecting seat, and a trigger column which is in coupling contact with the contact sensor is arranged on the upper side of the grounding block; the contact sensor is connected with a measurement control system, and the measurement control system is connected with the X-axis moving assembly and the Y-axis moving assembly movement control mechanism.

2. The road marking detection apparatus of claim 1, wherein: the ground contact block is of a square sheet structure, and the springs connected with the connecting seat are respectively arranged at four corners of the ground contact block.

3. The road marking detection apparatus of claim 1, wherein: the ground contact block consists of a roller and a roller frame, the roller is a rigid long-shaft traveling wheel, the roller frame is H-shaped, the lower end of the roller is connected with the two ends of a roller shaft, the upper end of the roller frame is connected with a connecting seat, and a connecting beam of the roller frame is provided with a trigger column.

4. The road marking detection apparatus of claim 2 or 3, wherein: the vertical height difference between the laser range finder and the bottom of the measurement and control assembly is 80mm.

5. The road marking detection apparatus of claim 1, wherein: an X-axis moving assembly is arranged in the top beam, and the longitudinal translation beam is connected with a sliding block of the X-axis moving assembly; and the visual detection system is used for monitoring the position of the road marking below the vehicle body and is connected with the X-axis moving component movement control mechanism.

6. The road marking detection apparatus of claim 1, wherein: the laser range finders are arranged in three side by side, and the connecting line of the three laser range finders is perpendicular to the longitudinal translation beam.