Automatic road marking vehicle

Abstract

The invention discloses an automatic road marking vehicle, which belongs to the technical field of road marking, and comprises: a vehicle frame, a vehicle body installed above the vehicle frame, a control box installed on the vehicle body, a GPS front end and a gyroscope installed at the front end of the vehicle frame, a GPS rear end installed at the rear end of the vehicle frame, a hub electric wheel, a steering gear and a power supply installed at the lower side of the vehicle frame, a paint pump, a paint tank and a nozzle fixing bracket installed at the upper side of the vehicle frame, the paint tank, a material extraction pipe, a paint pump, a material feeding pipe and a paint nozzle are connected in sequence, the paint nozzle is connected to a nozzle adjusting rod, the nozzle adjusting rod and a solenoid valve are installed on the nozzle fixing bracket, slide rails are installed at the left and right ends and the rear end of the vehicle frame, a slide seat is installed on the slide rail, the slide seat is connected to the nozzle fixing bracket, a telescopic adjusting rod is installed on one side of the vehicle frame, a laser distance measuring sensor is fixed on the telescopic adjusting rod, the distance between the measuring device and the wall is measured to ensure the safety of marking, and the position of the paint nozzle is adjusted by the slide seat and the nozzle adjusting rod to perform spray marking at a specific position.

Description

Technical Field

[0001] The invention belongs to the technical field of road marking, and in particular relates to an automatic road marking vehicle. Background Art

[0002] Road traffic markings refer to signs that use prescribed lines, patterns or words on the road, curbs, obstacles, etc. to indicate guidance, restrictions and warnings required by traffic rules. Setting up road traffic markings is a measure of traffic management, and its role is to control and guide traffic.

[0003] Traditional road marking and parking lot marking mostly adopt the method of manual spraying and marking, marking the lines, and then using hand-assisted form, manually pushing the roller device to achieve spraying and marking. The steps are complicated and cumbersome, the marking speed is slow, the action time is long, and the efficiency is low. In addition, the manual operation error is large, the marking accuracy is low, and the effect is not ideal. Therefore, it is an urgent problem to develop an automatic road marking vehicle. Summary of the invention

[0004] The present invention overcomes the problems of low efficiency, complicated marking steps and low accuracy of manual road marking in the prior art, and provides an automatic road marking vehicle.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: an automatic road marking vehicle, comprising a frame, a vehicle body installed above the frame, a control box installed on the vehicle body, a GPS front end and a gyroscope installed at the front end of the frame, a GPS rear end installed at the rear end of the frame, a wheel hub electric wheel, a steering gear, and a power supply installed on the lower side of the frame, a paint pump, a paint tank, and a nozzle fixing bracket installed on the upper side of the frame, the paint tank, the extraction pipe, the paint pump, the feeding pipe, and the paint nozzle are connected in sequence, the paint nozzle is connected to the nozzle adjustment rod, the nozzle adjustment rod and the solenoid valve are installed on the nozzle fixing bracket, the left and right ends and the rear end of the frame are installed with slide rails, the slide rails are installed with a slide seat, the slide seat is connected to the nozzle fixing bracket, a telescopic adjustment rod is installed on one side of the frame, and a laser ranging sensor is fixed on the telescopic adjustment rod;

[0006] The control box is electrically connected to the GPS front end, GPS rear end, gyroscope, hub electric wheel, steering gear, solenoid valve, slide seat and laser distance sensor respectively, and the power supply supplies power to the whole marking vehicle.

[0007] The power source is a battery.

[0008] A gyroscope is installed at the front end of the center axis of the frame.

[0009] A paint tank is installed at the middle part of the upper side of the frame.

[0010] The left and right end slide rails are 70 cm long, and the rear end slide rail is 40 cm long.

[0011] The plurality of paint spray nozzles are connected to the spray nozzle adjusting rod and are installed on the spray nozzle fixing bracket.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The automatic road marking vehicle used in the present invention has a simple structure and is easy to operate. The movement and spraying of the marking vehicle are controlled by a control box, which solves the problem of low efficiency of manual marking.

[0014] 2. The present invention adopts an automatic road marking vehicle, which starts compensation through a gyroscope and differentiates the position information received by the GPS front end and the GPS back end installed on the mobile vehicle, thereby ensuring the accurate direction of the marking vehicle and improving the marking accuracy.

[0015] 3. The present invention adopts an automatic road marking vehicle, in which the paint nozzle is adjusted in height by a nozzle adjustment rod, and the range includes 2-10cm, so as to ensure that the paint nozzle neither touches the ground nor is too high from the ground to cause inaccurate spraying and marking, that is, to improve the safe operation of the paint nozzle and ensure the marking accuracy; the movement of the nozzle is indirectly controlled by the slide moving in the slide rail.

[0016] 4. In the automatic road marking vehicle adopted by the present invention, a paint spray head can be additionally installed on the spray head adjustment rod to realize two-component spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a structural schematic diagram of the automatic marking vehicle of the present invention.

[0019] Figure 2 It is a top view of the automatic marking vehicle of the present invention.

[0020] In the figure, 1-frame; 2-body; 3-control box; 4-GPS front end; 5-GPS rear end; 6-gyroscope; 7-wheel hub electric wheel; 8-servo; 9-power supply; 10-paint tank; 11-drawing pipe; 12-paint pump; 13-feeding pipe; 14-paint nozzle; 15-nozzle adjustment rod; 16-solenoid valve; 17-nozzle fixing bracket; 18-slide rail; 19-slide seat; 20-telescopic adjustment rod; 21-laser ranging sensor. DETAILED DESCRIPTION

[0021] like Figures 1 to 2As shown, an automatic road marking vehicle in this embodiment includes a frame 1, a body 2 is installed above the frame 1, a control box 3 is installed on the body 2, a GPS front end 4 and a gyroscope 6 are installed at the front end of the frame 1, a GPS rear end 5 is installed at the rear end of the frame, a hub electric wheel 7, a steering gear 8 and a power supply 9 are installed on the lower side of the frame, a paint tank 10, a paint pump 12, and a nozzle fixing bracket 17 are installed on the upper side of the frame, the paint tank 10, the extraction pipe 11, the paint pump 12, the feed pipe 13, and the paint nozzle 14 are connected in sequence, the paint nozzle 14 is connected to the nozzle adjustment rod 15, the nozzle adjustment rod 15 and the solenoid valve 16 are installed on the nozzle fixing bracket 17, slide rails 18 are installed at the left and right ends and the rear end of the frame 1, a slide seat 19 is installed on the slide rail 18, and the slide seat 19 is connected to the nozzle fixing bracket 17, a telescopic adjustment rod 20 is installed on one side of the frame 1, and a laser ranging sensor 21 is fixed on the telescopic adjustment rod 20;

[0022] The control box 3 is electrically connected to the GPS front end 4, the GPS back end 5, the gyroscope 6, the hub electric wheel 7, the steering gear 8, the solenoid valve 16, the slide seat 19 and the laser ranging sensor 21 respectively, and the power supply 9 supplies power to the entire marking vehicle.

[0023] The power source 9 is a battery.

[0024] A gyroscope 6 is installed at the front end of the center axis of the frame.

[0025] A paint tank 10 is installed at the middle part of the upper side of the frame.

[0026] The left and right end slide rails are 70 cm long, and the rear end slide rail is 40 cm long.

[0027] The plurality of paint spray heads 14 are connected to a spray head adjusting rod 15 and are mounted on a spray head fixing bracket 17 .

[0028] When in use, the marking trolley is placed on the road surface, the power supply 9 supplies power to the entire marking trolley, the control box controls the gyroscope 6 to start compensation, and according to the difference in position information received by the GPS front end 4 and the GPS back end 5 installed on the frame 1, the direction of the marking trolley is accurate and the device moves in parallel. The control box 3 controls the wheel hub motor 7 to make the marking trolley start to move to the specified position in a specific direction. At the same time, the control box 3 controls the slide 19 to start moving to the specified position along the slide rail 18 to adjust the lateral and axial positions of the paint spray head 14, and adjust the spray head through the spray head adjustment rod 15. The paint nozzle 14 moves to the corresponding position, adjusts the height position of the paint nozzle 14, and the solenoid valve 16 receives the signal from the control box 3 to control the start and stop of the paint spraying. When the control box 3 controls the solenoid valve 16 to open the paint pump 12, the paint in the paint tank 10 is drawn into the paint pump 12 through the extraction pipe 11, output by the paint pump 12, and sent to the paint nozzle 14 through the feeding pipe 13 to spray the paint. The slide seat 19 starts to move along the slide rail 18, and the device can start spraying and marking according to the set path. After the marking is completed, the control box 3 controls the solenoid valve 16 to close the paint pump 12 and stop spraying. A paint nozzle 14 can be installed on the nozzle adjustment rod 15 to realize two-component spraying.

[0029] During the movement of the marking vehicle, the telescopic adjustment rod 20 installed on the frame 1 can adjust the height of the laser distance sensor 21 according to the height of obstacles such as road steps. The laser distance sensor 21 transmits the distance signal to the control box 3 through the internal distance measurement algorithm of the sensor. The control box 3 controls the marking trajectory of the marking vehicle by receiving the signal of the laser distance sensor 21. It can detect the distance between the marking vehicle and obstacles such as road steps or walls, ensure the safety of the device, and prevent collisions.

[0030] The above embodiments are only used to illustrate the principles and effects of the present invention, but not to limit them. Those familiar with the technology can modify or improve the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. An automatic road marking vehicle, comprising a frame, a vehicle body mounted above the frame, characterized in that: A control box is installed on the vehicle body, a GPS front end and a gyroscope are installed at the front end of the frame, a GPS rear end is installed at the rear end of the frame, a hub electric wheel, a steering gear and a power supply are installed on the lower side of the frame, a paint tank, a paint pump and a nozzle fixing bracket are installed on the upper side of the frame, the paint tank, the extraction pipe, the paint pump, the feeding pipe and the paint nozzle are connected in sequence, the paint nozzle is connected to the nozzle adjustment rod, the nozzle adjustment rod and the solenoid valve are installed on the nozzle fixing bracket, slide rails are installed on the left and right ends and the rear end of the frame respectively, a slide seat is installed on the slide rail, the slide seat is connected to the nozzle fixing bracket, a telescopic adjustment rod is installed on one side of the frame, and a laser ranging sensor is fixed on the telescopic adjustment rod; a gyroscope is installed at the front end of the central axis of the frame; The control box is electrically connected to the GPS front end, GPS back end, gyroscope, hub electric wheel, steering gear, solenoid valve, slide seat and laser distance sensor respectively, and the power supply supplies power to the entire marking vehicle; The left and right end slide rails are 70 cm long, and the rear end slide rail is 40 cm long; When in use, the automatic road marking vehicle is placed on the road surface, the control box controls the gyroscope to start compensation, and according to the difference in position information received by the GPS front end and the GPS back end installed on the frame, the direction of the marking vehicle is accurate, and the device moves in parallel. The control box controls the wheel of the hub motor to make the marking vehicle start to move to the specified position in a specific direction. At the same time, the control box controls the slide to start to move to the specified position along the slide rail to adjust the lateral and axial positions of the paint nozzle, and moves the paint nozzle to the corresponding position through the nozzle adjustment rod. After the height position of the paint nozzle is adjusted, the solenoid valve receives the signal from the control box and controls the start and stop of the paint spraying. When the control box controls the solenoid valve to start the paint pump, the paint in the paint tank is pumped into the paint pump through the extraction pipe, output by the paint pump, and sent to the paint nozzle through the feeding pipe to spray the paint. The slide starts to move along the slide rail, and the device can start spraying and marking according to the set path. After the marking is completed, the control box controls the solenoid valve to close the paint pump and stop spraying; A paint spray head is installed on the spray head adjustment rod to realize two-component spraying; a plurality of the paint spray heads are connected to the spray head adjustment rod and installed on the spray head fixing bracket; During the movement of the marking vehicle, the telescopic adjustment rod installed on the frame adjusts the height of the laser distance sensor according to the height of the road step. The laser distance sensor transmits the distance signal to the control box. The control box controls the marking trajectory of the marking vehicle by receiving the signal from the laser distance sensor, which is used to detect the distance between the marking vehicle and the road step or wall.

2. The automatic road marking vehicle according to claim 1, characterized in that: The power source is a battery.

3. The automatic road marking vehicle according to claim 1, characterized in that: A paint tank is installed at the middle part of the upper side of the frame.

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