CN219723308U

CN219723308U - Spraying vehicle

Info

Publication number: CN219723308U
Application number: CN202222895148.9U
Authority: CN
Inventors: 高杰文; 朱葛; 朱研
Original assignee: Shenyang Luotai Intelligent System Co ltd
Current assignee: Shenyang Luotai Intelligent System Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-09-22
Anticipated expiration: 2032-11-01

Abstract

The utility model provides a spraying vehicle, and relates to the technical field of highway maintenance mechanical equipment. Wherein, the spraying car includes: the vehicle body is provided with a running system, and the running system drives the vehicle body to run straight or turn; at least one storage tank arranged on the vehicle body; the feeding spraying device is connected to the vehicle body and communicated with the storage tank and is used for spraying raw materials provided by the storage tank to at least one side of the vehicle body along a preset track; the cleaning system is arranged on the vehicle body, is communicated with the feed spraying device and is used for cleaning the storage tank and/or the feed spraying device; and the control system is used for respectively controlling the starting and stopping of the running system, the feeding spraying device and the cleaning system. According to the utility model, running and steering are realized through the running system, so that the operation safety of a highway or an expressway is improved; the feeding spraying device is cleaned through the cleaning system, so that the spraying device can be cleaned in time after the spraying work is finished, and the problem that the spraying raw materials are easy to coagulate due to untimely cleaning is avoided.

Description

Spraying vehicle

Technical Field

The utility model relates to the technical field of highway maintenance mechanical equipment, in particular to a spraying vehicle.

Background

At present, expressways and municipal roads are largely protected from road isolation and safety by adopting concrete hard-shoulder and concrete hard-shoulder, and in order to ensure traffic safety, service life and attractive appearance, the surfaces of the concrete hard-shoulder are usually coated with various weather-resistant reflective paint, warning paint, coating materials and other coating materials, but the coating materials cannot resist long-term attacks of sunlight, temperature difference, sand wind, rain and snow, vibration and other environments, and the surfaces of the concrete hard-shoulder are weathered and cracked for a few years, so that the attractive appearance and the service life are seriously influenced, and regular cleaning and recoating are needed.

At present, most of coating cleaning and spraying for the hard shoulder are manually operated, and usually, a cleaning trolley and a spraying trolley are combined, a worker pushes the cleaning trolley to clean an old coating on the surface of the hard shoulder in front, and then a worker pushes the spraying trolley to spray the surface of the hard shoulder behind. The spraying trolley is provided with a raw material tank and a spray head, and is manually pushed to a spraying place to spray through the spray head. In the spraying process, because the loading space is limited, raw materials, water and the like need to be frequently supplemented, and the spraying device needs to be manually pushed to move, so that potential safety hazards exist for expressway operation; in addition, after the spraying is finished, as the spraying raw materials are remained in the spraying system, and the spraying raw materials for spraying the hard shoulder are mostly viscous, the smoothness of the next spraying can be affected by the remained residual materials, the existing spraying device or spraying trolley is usually moved to a safe position by manual pushing and then is cleaned by an external water source and a spray gun assembly, and the residual spraying raw materials are easy to coagulate due to the viscosity in the moving process, so that the cleaning is difficult, the cleaning process is complex and complicated, the process is slow, and the time and the labor are wasted.

Therefore, a spraying vehicle is needed to at least solve the problems that the existing spraying device needs manual pushing to work, potential safety hazards exist, cleaning cannot be performed in time, and the cleaning process is complex.

Disclosure of Invention

The utility model aims to provide a spraying vehicle which at least solves the problems that the existing spraying device needs manual pushing to work, potential safety hazards exist, timely cleaning cannot be achieved and the cleaning process is complex.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a spraying vehicle, comprising: the vehicle body is provided with a running system, and the running system drives the vehicle body to run straight or turn; at least one storage tank, at least one storage tank is arranged on the vehicle body; the feeding spraying device is connected to the vehicle body and communicated with the storage tank, and is used for spraying raw materials provided by the storage tank to at least one side of the vehicle body along a preset track; the cleaning system is arranged on the vehicle body, is communicated with the feed spraying device and is used for cleaning the storage tank and/or the feed spraying device; and the control system is used for respectively controlling the starting and stopping of the running system, the feeding spraying device and the cleaning system.

In some embodiments, the feed spraying device comprises a feeding device and a spraying device, and the feeding device and the spraying device are respectively arranged on the vehicle body; the feeding device comprises at least one bidirectional piston feeding assembly, wherein the bidirectional piston feeding assembly comprises a pair of feeding ports and a discharging port, the pair of feeding ports are oppositely arranged, the discharging ports are respectively communicated with the pair of feeding ports, and the pair of feeding ports are respectively communicated with the outlet of the storage tank; the discharge port is communicated with the spraying device.

In some embodiments, the spray coating device includes a spray coating bracket, at least one pair of spray gun assemblies, a cam link assembly, and a spray coating drive device; the spraying bracket is connected to one side of the vehicle body; the cam connecting rod assembly is connected to the spraying bracket; at least one pair of spray gun assemblies are respectively and rotatably connected to the spraying bracket and the cam connecting rod assembly; the spraying driving device is in driving connection with the cam connecting rod assembly, and the spraying driving device drives the cam connecting rod assembly to operate so as to drive at least one pair of spray gun assemblies to swing up and down.

In some embodiments, the vehicle body comprises a vehicle body chassis; the driving system comprises a steering axle assembly and a driving axle assembly, wherein the steering axle assembly and the driving axle assembly are respectively connected to two ends of the vehicle body underframe and used for respectively driving the vehicle body underframe to steer and drive.

In some embodiments, the steer axle assembly comprises: the steering wheel set is connected to one end of the vehicle body underframe; the planetary gear assembly is connected to the middle part of the steering wheel group; the driving shaft is rotatably connected to the vehicle body underframe; the steering driving device is arranged on the chassis of the vehicle body, is in driving connection with the driving shaft and is used for driving the driving shaft to rotate; a clutch connected to the steering shaft and the driving shaft of the planetary gear assembly, respectively; the clutch is engaged to enable the driving shaft and the steering shaft of the planetary gear assembly to synchronously rotate to drive the steering wheel set to rotate, and the clutch is disengaged to enable the driving shaft and the steering shaft to independently rotate;

the drive axle assembly includes: the driving wheel set is connected to the other end of the vehicle body underframe; the driving wheel driving device is in driving connection with the driving wheel set and is used for driving the driving wheel set to advance or retreat.

In some embodiments, the steering device further comprises a rotation limiting rod, wherein one end of the rotation limiting rod is rotationally connected to the vehicle body underframe, and the other end of the rotation limiting rod is slidingly connected to the steering wheel group along the vehicle body running direction and is used for limiting the rotation angle of the steering axle assembly to be not more than a first preset angle;

The track of the steering axle assembly is smaller than that of the driving axle.

In some embodiments, a safety system is also included, the safety system including a cruise system, a radar system, and at least one pair of anti-collision wheel assemblies; the anti-collision wheel assemblies comprise anti-collision wheels, anti-collision connecting arms and anti-collision wheel driving devices, and the anti-collision wheels of each anti-collision wheel assembly are rotatably connected to the vehicle body through the anti-collision connecting arms and are positioned on the same side as the feeding spraying devices; the anti-collision wheel driving device is connected to the anti-collision connecting arm in a driving mode and is used for driving the anti-collision connecting arm to rotate, so that the anti-collision wheel assembly protrudes out of the feeding spraying device by a first preset distance.

The side-cruising running system comprises a ranging sensor, the ranging sensor is connected to the vehicle body and located at the same side as the discharging direction of the feeding spraying device, the ranging sensor monitors the distance between the side surface of the vehicle body and the lateral obstacle, and the control system controls the vehicle body to turn according to the detection signal of the ranging sensor so as to keep a second preset distance from the lateral obstacle to run; the radar system is arranged at the front end and the rear end of the vehicle body and used for detecting the distance between the vehicle body and the front and rear obstacles, and the control system receives detection signals of the radar system and controls the vehicle body to steer according to the radar detection signals.

In some embodiments, the system further comprises a gas circuit system and a circuit system; the air path system comprises an air compressor, a pressure maintaining tank and a control valve which are sequentially communicated, and the control valve is communicated with the feeding spraying device and is used for providing power; the circuit system comprises a generator and an electricity storage device, wherein the generator is electrically connected with the electricity storage device, and the electricity storage device is electrically connected with the control system.

In some embodiments, the cleaning system comprises at least one water storage tank, a water pump, a cleaning gun and a recovery tank, wherein the water storage tank is used for containing cleaning water, a first water outlet of the water storage tank is communicated with an inlet of the water storage tank through the water pump, and a second water outlet of the water storage tank is communicated with the cleaning gun; the recovery tank is communicated with the outlet of the storage tank; and stirring devices are respectively arranged in the storage tank and the water storage tank.

In some embodiments, a rain shielding diversion cover is arranged at the top of the vehicle body, and an observation ladder and/or an operation ladder are arranged on the side surface of the vehicle body.

Compared with the prior art, the spraying vehicle provided by the application has at least the following beneficial effects: the running and steering are realized through the running system on the vehicle body, compared with a manual cart, the manual operation can be avoided, and the operation safety of a highway or an expressway is improved; the feeding spraying device is cleaned through the cleaning system, so that the spraying device can be cleaned in time after the spraying work is finished, and the problem that the spraying raw materials are easy to coagulate due to untimely cleaning is avoided.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, wherein like or corresponding reference numerals indicate like or corresponding parts, there are shown by way of illustration, and not limitation, several embodiments of the utility model, in which:

FIG. 1 illustrates a schematic structural view of a first perspective of a spray cart in accordance with an exemplary embodiment of the present utility model;

FIG. 2 illustrates a schematic structural view of a second perspective of a spray cart in accordance with an exemplary embodiment of the present utility model;

FIG. 3 illustrates a schematic structural view of a body of a spray vehicle according to an exemplary embodiment of the present utility model;

FIG. 4 illustrates a schematic structural view of a steer axle assembly in a spray truck in accordance with an exemplary embodiment of the present utility model;

FIG. 5 illustrates an exploded schematic view of a steer axle assembly of a spray truck in accordance with an exemplary embodiment of the present utility model;

FIG. 6 illustrates a schematic view of a truck steer axle assembly assembled with a truck chassis of a spray truck in accordance with an exemplary embodiment of the present utility model;

FIG. 7 illustrates a schematic view of the structure of a bottom view of a body in a spray cart in accordance with an exemplary embodiment of the present utility model;

FIG. 8 illustrates a schematic structural view of a truck in-collision avoidance wheel assembly in accordance with an exemplary embodiment of the present utility model;

FIG. 9 shows a schematic diagram of the configuration of a supply device in a spray cart in accordance with an exemplary embodiment of the present utility model;

FIG. 10 illustrates a cross-sectional view of a supply device in a spray cart in accordance with an exemplary embodiment of the present utility model;

FIG. 11 illustrates a schematic view of a first perspective of a spray device in a spray cart in accordance with an exemplary embodiment of the present utility model;

FIG. 12 illustrates a schematic structural view of a second perspective of a spray device in a spray cart in accordance with an exemplary embodiment of the present utility model;

fig. 13 shows a schematic drawing of a painting path of a painting carriage according to an exemplary embodiment of the utility model.

Reference numerals illustrate:

1. a vehicle body; 101. a vehicle body chassis; 102. a steer axle assembly; 103. a drive axle assembly; 104. a steering wheel group; 105. a planetary gear assembly; 106. a drive shaft; 107. a steering drive device; 108. a clutch; 109. a steering shaft; 110. a mounting frame; 111. a traction interface; 112. a spring damper plate; 113. a planetary assembly mounting plate; 114. a gear ring support plate; 115. a planetary gear; 116. a drive gear; 117. installing a panel; 118. rotating the limiting rod; 119. a driving wheel group; 120. a drive wheel driving device; 121. an anti-collision wheel assembly; 122. an anti-collision wheel; 123. an anti-collision connecting arm; 124. an anti-collision wheel driving device; 125. an air compressor; 126. observing the ladder; 127. an operation ladder; 128. rain-shielding diversion cover; 129. an electric control cabinet; 130. a drive mounting plate;

2. A storage tank; 201. a stirring device;

3. a feed spraying device; 301. a feeding device; 302. a main pipeline; 303. a bi-directional piston feed assembly; 304. a feed inlet; 305. a discharge port; 306. a bidirectional cylinder; 307. a piston chamber; 308. a first valve; 309. a second valve; 310. a spraying device; 311. spraying a bracket; 312. a spray gun assembly; 313. a cam link assembly; 314. a spraying driving device; 315. a spray gun bracket; 316. a spray gun; 317. a cam connecting shaft; 318. an adjustment tank; 319. a limit bolt; 320. a pulley; 321. a cam; 322. a connecting rod; 323. driven wheel; 324. a driving wheel;

4. a cleaning system; 401. and a water storage tank.

Detailed Description

Exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

At present, the hard shoulder spraying for highways or expressways usually adopts the form of a spraying trolley, and the traditional spraying trolley mainly comprises a movable vehicle body, wherein a raw material tank for storing raw materials and a spraying device which is communicated with the raw material tank are arranged on the vehicle body, such as a spray gun assembly, a spray head or a spray head capable of moving up and down along the vehicle body, and the spraying trolley is usually pulled to a working place to be sprayed by a tractor and then moved to the working place to be sprayed by manual pushing. During spraying, an operator manually pushes the spraying trolley to walk, raw materials in the raw material tank are conveyed to a spraying device through a conveying pump, and then sprayed out by a spray head of the spraying device to spray paint on the surface of the hard shoulder or other road facilities. Such a spray trolley has the following drawbacks: in the spraying process, because the loading space is limited, raw materials, water and the like need to be frequently supplemented, and the spraying device needs to be manually pushed to move, so that potential safety hazards exist for expressway operation; in addition, after the spraying is finished, as the spraying raw materials are remained in the spraying system, and the spraying raw materials for spraying the hard shoulder are mostly viscous, the smoothness of the next spraying can be affected by the remained residual materials, the existing spraying device or spraying trolley is usually moved to a safe position by manual pushing and then is cleaned by an external water source and a spray gun assembly, and the residual spraying raw materials are easy to coagulate due to the viscosity in the moving process, so that the cleaning is difficult, the cleaning process is complex and complicated, the process is slow, and the time and the labor are wasted. The patent CN208167453U provides a high-efficient spraying device of road maintenance agent, and the during operation removes the device to required position, drives the truckle at uniform velocity through the motor and moves, adjusts the inclination of shower nozzle through electric telescopic handle, is equipped with stirring rake and pressure sensor in the spraying line, after the spraying is accomplished, pours the clear water into the spraying incasement and washs, scrapes the spraying incasement wall through the scraper blade simultaneously. When the spraying device is used for spraying the isolation piers for highways or expressways, the following defects exist: the spraying device drives the casters to move through the motor, and can only move straight but not turn in the moving process, when the direction of the barrier pier changes or faces a curve, the walking direction is obviously required to be manually adjusted, and potential safety hazards exist for expressway operation; after spraying is finished, the spray nozzle is manually cleaned by pouring clear water, namely, an external water source is still needed for cleaning, the spray nozzle is also untimely to clean, and the spray nozzle is difficult to clean and easy to block due to the fact that the spray raw materials are sticky and easy to coagulate.

In order to solve the problems in the prior art, as shown in fig. 1 to 13, the present utility model provides a spraying vehicle, comprising: the vehicle body 1, the vehicle body 1 is provided with a running system, and the running system drives the vehicle body 1 to run straight or turn; at least one storage tank 2, wherein the at least one storage tank 2 is arranged on the vehicle body 1; the feeding spraying device 3 is connected to the vehicle body 1 and communicated with the storage tank 2, and is used for spraying raw materials provided by the storage tank 2 to at least one side of the vehicle body 1 along a preset track; the cleaning system 4 is arranged on the vehicle body 1, is communicated with the feed spraying device 3 and is used for cleaning the storage tank 2 and/or the feed spraying device 3; and a control system which controls the start and stop of the running system, the spraying device 310 and the cleaning system 4 respectively.

Compared with a manual cart, the spraying cart provided by the utility model has the advantages that the cart body 1 is driven to walk through the running system of the cart body 1, so that manual operation can be avoided, and the operation safety of a highway or an expressway can be improved; the feeding spraying device 3 is cleaned through the cleaning system 4, so that the spraying device can be cleaned in time after the spraying work is finished, and the problem that the spraying raw materials are easy to coagulate due to untimely cleaning is avoided.

In some embodiments, as shown in fig. 3, the vehicle body 1 includes a vehicle body underframe 101; the driving system comprises a steering axle assembly 102 and a driving axle assembly 103, wherein the steering axle assembly 102 and the driving axle assembly 103 are respectively connected to two ends of the vehicle body underframe 101 and are used for respectively driving the vehicle body underframe 101 to steer and drive. The vehicle body underframe 101 is provided with a mud-guard structure corresponding to the steering axle assembly 102.

The vehicle body 1 is of a frame structure, and can be formed by welding square pipes, I-steel or groove steel, the steering axle assembly 102 is positioned at the front end of the vehicle body 1, the driving axle assembly 103 is positioned at the rear end of the vehicle body 1, and the front end and the rear end of the vehicle body 1 are respectively positioned at the front and the rear of the running direction. The steering axle assembly 102 and the drive axle assembly 103 are respectively arranged at the bottom of the vehicle body underframe 101 and support the whole vehicle body underframe 101.

In some embodiments, as shown in fig. 4 and 5, steer axle assembly 102 comprises: a steering wheel group 104, wherein the steering wheel group 104 is connected to one end of the vehicle body underframe 101; a planetary gear assembly 105, the planetary gear assembly 105 being connected to the middle of the steering wheel set 104; a drive shaft 106, the drive shaft 106 being rotatably connected to the vehicle body underframe 101; a steering driving device 107, wherein the steering driving device 107 is arranged on the chassis 101 of the vehicle body, and is in driving connection with the driving shaft 106, and is used for driving the driving shaft 106 to rotate; a clutch 108, the clutch 108 being connected to the steering shaft 109 and the drive shaft 106 of the planetary gear assembly 105, respectively; the clutch 108 is engaged to enable the driving shaft 106 and the steering shaft 109 of the planetary gear assembly 105 to rotate synchronously, the steering wheel set 104 is driven to rotate, and the clutch 108 is separated to enable the driving shaft 106 and the steering shaft 109 to rotate independently.

In order to avoid potential safety hazards caused by manual pushing operation on a highway or expressway, the vehicle body 1 is driven by the driving axle assembly 103 to run in a straight line direction, steering is realized by the steering axle assembly 102, meanwhile, the steering axle assembly 102 can enable the steering shaft 109 and the driving shaft 106 to be attracted through the effect of the clutch 108, automatic steering is realized through driving of the steering driving device 107, or the steering shaft 109 and the driving shaft 106 are separated, so that the steering axle assembly 102 can realize an auxiliary traction mode and is driven by a traction vehicle to realize steering in the traction mode, and damage to the planetary gear assembly 105 or the steering driving device 107 is avoided.

In some embodiments, the steering wheel set 104 includes steering wheels on both sides of the vehicle body 1 and an axle connected between the steering wheels on both sides, at least one steering wheel on each side.

The planetary gear assembly 105 is connected to a wheel shaft through a mounting frame 110, and two ends of the wheel shaft are respectively connected to the bottom of the mounting frame 110 through spring damping plates 112; the front end of the mounting bracket 110 is provided with a towing interface 111 for connection with a towing vehicle. The top of the mounting bracket 110 is provided with a planetary assembly mounting plate 113 for mounting the planetary gear assembly 105.

The planetary gear assembly 105 comprises a gear ring supporting disc 114, three planetary gears 115, a driving gear 116 and a steering shaft 109, wherein the gear ring supporting disc 114 is annular and is connected with a planetary assembly mounting plate 113 of the mounting frame 110 through bolt assemblies uniformly distributed in an annular shape; the steering shaft 109 passes through the planetary assembly mounting plate 113 and is rotatably connected with a bearing connected thereto, and the steering shaft 109 is located at the center of the ring gear support plate 114; the driving gear 116 is sleeved on the steering shaft 109, the inner periphery of the gear ring supporting disc 114 is provided with annular teeth, and three planetary gears 115 are respectively and uniformly meshed and connected between the gear ring supporting disc 114 and the driving gear 116 along the circumferential direction and are supported in the gear ring supporting disc 114 through a gear mounting disc and a mounting column assembly. The gear mounting plate is of a circular plate structure, the mounting column assembly can be a matching assembly of a mounting shaft and a bearing, the mounting shaft is connected to the gear mounting plate, and the planetary gear 115 is rotatably connected to the mounting shaft through the bearing.

The steering shaft 109 rotates to drive the driving gear 116 to rotate, torque is transmitted to the gear ring supporting disc 114 through the planetary gear 115, and the gear ring supporting disc 114 is fixedly connected with the mounting frame 110, so that the mounting frame 110 is subjected to the torque, and the torque is transmitted to the wheel shaft, so that the steering wheel set 104 rotates around the steering shaft 109.

As shown in fig. 3 to 6, a drive mounting plate 130 is connected to the front end of the vehicle body underframe 101; the steering driving device 107 comprises a motor and a speed reducer, the speed reducer is connected to the driving mounting plate 130 through a bracket, an output shaft of the motor is in driving connection with an input end of the speed reducer, an output end of the speed reducer is in driving connection with the driving shaft 106, a cylindrical guide sleeve is arranged at the bottom of the driving shaft 106, the steering shaft 109 penetrates through the driving mounting plate 130 to be rotationally connected in the guide sleeve, and the clutch 108 is located above the driving mounting plate 130.

The torque provided by the motor is decelerated through the speed reducer, so that the rotation of the driving shaft 106 is more reliable, and the steering axle assembly 102 is respectively in an automatic steering driving state and an auxiliary traction state through the cooperation of the clutch 108 and the steering driving device 107, so that the running state of the spraying vehicle is matched according to the requirement, and the spraying vehicle can automatically run and steer.

The clutch 108 may be a dog clutch, and the two half clutches of the clutch 108 are respectively sleeved on the coaxial steering shaft 109 and the driving shaft 106, when the clutch 108 is engaged, the two half clutches of the clutch 108 are engaged, so that the driving shaft 106 and the steering shaft 109 can be driven to be synchronous, when the driving shaft 106 rotates under the torque transmitted by the motor, the steering shaft 109 is driven to rotate synchronously, at this time, the steering shaft 109 transmits the torque to the gear ring supporting disc 114 through the planetary gear 115 and then to the mounting frame 110, thereby driving the steering wheel set 104 to rotate, and realizing the purpose of automatic steering. The speed reduction is achieved through the speed reducer and planetary gear assembly 105, and stability is ensured. When the clutch 108 is disconnected, the two half clutches of the clutch 108 are separated, and the driving shaft 106 and the steering shaft 109 are respectively and independently rotated, so that the mounting frame 110 can be connected to the traction vehicle for traction, and the planetary gear assembly 105 and the driving steering driving device 107 are prevented from being damaged.

As shown in fig. 6, a mounting panel 117 is arranged at the front end of the vehicle body underframe 101, a driving mounting plate 130 covers the mounting panel 117, a gear ring supporting disk 114 comprises an inner ring and an outer ring, the outer ring of the gear ring supporting disk 114 is positioned below the mounting panel 117, and the driving mounting plate 130, the front end panel of the vehicle body underframe 101 and the outer ring of the gear ring supporting disk 114 are sequentially connected through bolt assemblies which are uniformly distributed in an annular shape; the center of the installation panel 117 is provided with a circular through hole, the inner ring of the gear ring support plate 114 is exposed in the circular through hole and is connected with the planetary assembly installation plate 113 through bolt assemblies which are uniformly distributed in an annular shape, the driving installation plate 130 covers the circular through hole, so that the driving installation plate 130, the gear ring support plate 114 and the planetary assembly installation plate 113 form a closed space, and the planetary gear assembly 105 is prevented from entering dust or muddy water.

In some embodiments, as shown in fig. 7, the spraying vehicle further includes a rotation limiting rod 118, one end of the rotation limiting rod 118 is rotatably connected to the vehicle body underframe 101, and the other end of the rotation limiting rod 118 is slidably connected to the steering wheel set 104 along the running direction of the vehicle body 1, so as to limit the rotation angle of the steering axle assembly 102 not to exceed a first preset angle. The first preset angle is not more than 40 °.

One end of the steering limiting rod 118 is provided with a sliding groove, the bottom of the mounting frame 110 of the steering axle assembly 102 is provided with a limiting pin shaft extending downwards, the limiting pin shaft is slidably connected in the sliding groove, and the other end of the steering limiting rod 118 is rotatably connected to the middle part of the vehicle body underframe 101.

When the steering axle assembly 102 drives the vehicle underframe 101 to rotate, the limiting pin shaft rotates and slides in the sliding groove, and the rotating angle can be limited through the length of the sliding groove, so that the overlarge vehicle corner is avoided.

In some embodiments, as shown in fig. 7, the drive axle assembly 103 includes: the driving wheel set 119, wherein the driving wheel set 119 is connected to the other end of the vehicle body underframe 101; the driving wheel driving device 120, the driving wheel driving device 120 is drivingly connected to the driving wheel set 119, and is used for driving the driving wheel set 119 to advance or retract.

The driving wheel group 119 comprises driving wheels positioned at two sides of the vehicle body 1 and driving axles connected between the driving wheels at two sides, and the driving wheel driving device 120 drives the driving axles to advance or retreat, so that the driving wheel group 119 is driven to rotate synchronously.

At least one driving wheel is arranged on each side, and corresponds to the steering wheels, wherein the wheel track of the steering axle assembly 102 is smaller than that of the driving axle, namely the distance between the driving wheels on two sides of the vehicle body 1 is larger than that between the steering wheels on two sides of the vehicle body 1. The drive wheel drive 120 may be a pneumatic motor or an electric machine. The drive axle is the existing product, and the specific structure is not repeated.

In some embodiments, as shown in fig. 1 and 8, the spray vehicle further includes a safety system including a cruise system, a radar system, and at least one pair of bumper wheel assemblies 121; the crashproof wheel assemblies 121 comprise crashproof wheels 122, crashproof connecting arms 123 and crashproof wheel driving devices 124, and the crashproof wheels 122 of each crashproof wheel assembly 121 are rotatably connected to the vehicle body 1 through the crashproof connecting arms 123 and are positioned on the same side as the feeding spraying device 3; the anti-collision wheel driving device 124 is drivingly connected to the anti-collision connecting arm 123, and is configured to drive the anti-collision connecting arm 123 to rotate, so that the anti-collision wheel assembly 121 protrudes from the feed spraying device 3 by a first preset distance.

Since the hard shoulder is generally disposed in the middle of the road, the feed spraying device 3 is disposed at the left side of the vehicle body 1 so as to be able to spray the raw material with the hard shoulder on the left side in the traveling direction in accordance with the traveling rule of the road in the same direction as other vehicles.

The spraying vehicle provided by the application can be used for spraying other road facilities, roadside guardrails and the like, so that the feeding spraying device 3 can also be arranged on the right side of the vehicle body 1, and the spraying vehicle can be specifically determined according to actual conditions.

In some embodiments, as shown in fig. 1 and 8, the anti-collision wheel assembly 121 is a pair and is located at the same side as the feed spraying device 3, and is respectively disposed at the front end and the rear end of the vehicle body 1, and extends obliquely towards the front end and the rear end along the horizontal direction, and the anti-collision wheel assembly 121 located at the rear end can protrude from the vehicle body 1, so that the safety of the spraying vehicle in the running process can be ensured through the anti-collision wheel assembly 121, the pre-set distance between the anti-collision wheel assembly and the side obstacle can be kept, and meanwhile, the feed spraying device 3 can be prevented from being bumped during steering.

As shown in fig. 8, the anti-collision wheel 122 is axially disposed along a vertical direction, the anti-collision wheel driving device 124 includes a rotary cylinder, the rotary cylinder is fixed on the vehicle body chassis 101, the anti-collision connecting arm 123 is hinged on the vehicle body chassis 101, the driving end of the rotary cylinder is connected with the anti-collision connecting arm 123 through a rocker arm, and the rotary cylinder drives the rocker arm to swing along a horizontal direction, so that the anti-collision connecting arm 123 can be driven to swing, and the position of the anti-collision wheel 122 is moved.

The revolving cylinder is in the prior art, and the specific structure is not repeated. When the anti-collision wheel 122 is subjected to external force, detection signals of the sensors are transmitted to the control system, and the control system controls the motor of the steering driving device 107 to operate so as to drive the steering axle assembly 102 to automatically steer, so that the position is corrected, and collision is avoided.

In some embodiments, the edge-following driving system comprises a ranging sensor, the ranging sensor is connected to the vehicle body 1 and is positioned on the same side as the discharging direction of the feeding spraying device 3, the ranging sensor monitors the distance between the side surface of the vehicle body 1 and the lateral obstacle, and the control system controls the vehicle body 1 to turn according to the detection signal of the ranging sensor so as to keep a second preset distance from the lateral obstacle to drive; the radar systems are arranged at the front end and the rear end of the vehicle body 1 and used for detecting the distance between the vehicle body 1 and the front and rear obstacles, and the control system receives detection signals of the radar systems and controls the vehicle body 1 to turn according to the radar detection signals.

The distance measuring sensors are ultrasonic sensors, the distance measuring sensors are arranged on the same side of the vehicle body 1 as the feeding spraying device 3, and can be a pair of the distance measuring sensors, are respectively arranged at the front end and the rear end of the vehicle body 1 and are used for monitoring the distance between the vehicle body 1 and the roadside in real time, when the spraying vehicle automatically runs along the way and sprays the hard shoulder, the distance between the distance measuring sensors and the hard shoulder is required to be maintained within a set distance range, when a distance signal monitored by the distance measuring sensors is lower than a preset low value or exceeds a preset high value, the control system controls the motor of the steering driving device 107 to operate so as to drive the steering axle assembly 102 to automatically steer, so that the position is corrected, the left and right rudder swinging adjustment according to the feedback information of the distance measuring sensors is realized, the automatic running along the edge of the road at a preset speed is realized, and the distance between the road and the side obstacle is kept in the automatic running process. The radar system monitors the distance between the vehicle body 1 and the front and rear obstacles, and returns a monitoring signal to the control system.

The spraying vehicle further comprises a braking system, the braking system comprises braking wires which are respectively connected with the steering axle assembly 102 and the driving axle assembly 103, the braking wires are driven and controlled through cylinders connected to the chassis 101 of the vehicle body, and when the radar system monitors that the front end or the rear end is provided with an obstacle and the distance between the radar system and the obstacle is smaller than a preset value, the control system controls the cylinders to drive the braking wires to retract, braking is achieved, and the spraying vehicle stops running. The chassis 101 of the car body is also provided with a brake pedal connected with a brake cable, and the brake can be realized by manual stepping. The structures and the working principles of the ranging sensor, the radar system and the brake system belong to the prior art, and are not repeated in detail.

In some embodiments, the spray cart further comprises an air circuit system and an electrical circuit system;

the air path system comprises an air compressor 125, a pressure maintaining tank and a control valve which are sequentially communicated, and the control valve is communicated with the feed spraying device 3 and is used for providing power; the circuit system comprises a generator and an electricity storage device, wherein the generator is electrically connected with the electricity storage device, and the electricity storage device is electrically connected with the control system.

As shown in fig. 1 and 2, the air compressor 125 is connected to the chassis 101 of the vehicle body, and is opposite to the storage tank 2 at the front end and the rear end of the vehicle body 1, where the air compressor 125 may be disposed at the front end of the chassis 101 of the vehicle body, the air compressor 125 may be a diesel air compressor 125, and a generator is connected to the downstream of the air compressor 125, and the generator is driven by the air compressor 125 to generate electricity.

The air compressor 125 provides compressed air and stores the compressed air in a pressure maintaining tank, the pressure maintaining tank is communicated with the feed spraying device 3, each air cylinder, the air motor and various air utilization devices through an air path pipeline, and can ensure that the working pressure of an air source is more than 0.7Mpa and the exhaust capacity is not less than 1.3m ³ And/min to ensure the power of each device.

The storage battery can adopt 24V storage battery, and the electric energy of storage battery can drive the generator through air compressor 125 and generate electricity and provide, can obtain through external power supply charging to can guarantee the normal operating of equipment.

The control system can be integrated in the electric control cabinet 129, and is arranged on the chassis 101 adjacent to the air compressor 125, and an operation panel is arranged on the side surface of the electric control cabinet 129, so that information can be displayed, control instructions can be input, and other system operations can be performed. The air compressor 125, the generator, the storage battery and the electric control cabinet 129 are all existing products, and the specific working principle is not described again.

In some embodiments, the roof of the vehicle body 1 is provided with a rain shielding deflector cover 128, and the sides of the vehicle body 1 are provided with an observation ladder 126 and/or an operating ladder 127.

As shown in fig. 2, an observation ladder 126 and an operation ladder 127 are respectively connected to the side surfaces of the chassis 101 of the vehicle body, and the top of the observation ladder 126 is located at the storage tank 2 for observing the capacity and stirring condition of the storage tank 2; the operation ladder 127 is located at the electric control cabinet 129 for controlling the operation panel. The vehicle body 1 is provided with a protection side plate which surrounds the top of the vehicle body underframe 101, a rain shielding diversion cover 128 is connected to the top of the protection side plate, and covers the air compressor 125 or the air compressor 125 and the electric control cabinet 129, and a window which can be opened and closed is arranged on the rain shielding diversion cover 128.

In some embodiments, the feed spraying device 3 comprises a feeding device 301 and a spraying device 310, and the feeding device 301 and the spraying device 310 are respectively arranged on the vehicle body 1;

the feeding device 301 comprises at least one bidirectional piston feeding assembly 303, the bidirectional piston feeding assembly 303 comprises a pair of feeding ports 304 which are oppositely arranged and a discharging port 305 which is respectively communicated with the pair of feeding ports 304, and the pair of feeding ports 304 are respectively communicated with the outlet of the storage tank 2; the discharge port 305 communicates with the spraying device 310.

In some embodiments, as shown in fig. 9 and 10, the feeding device 301 includes a main pipe 302, where the main pipe 302 is U-shaped and includes a closed pipe section and a pair of open pipe sections, where each open pipe section has a feed port 304 formed at an end and a discharge port 305 formed in a middle portion of the closed pipe section. A pair of feed inlets 304 are communicated with the outlet of the storage tank 2 through a three-way joint.

The bi-directional piston feed assembly 303 comprises a bi-directional cylinder 306 and a pair of piston chambers 307, the pair of piston chambers 307 are respectively connected to two ends of the bi-directional cylinder 306, the bi-directional cylinder 306 comprises a pair of bi-directional pistons, each piston is slidably and sealingly connected in one piston chamber 307, and the bi-directional cylinder 306 provides aerodynamic force through the air compressor 125 to drive the pair of pistons to move in the same direction.

The pair of piston chambers 307 are a first piston chamber 307 and a second piston chamber 307, respectively, and when the bidirectional cylinder 306 drives the pair of pistons to move in the first direction, the piston in the second piston chamber 307 moves toward the end facing away from the bidirectional cylinder 306, and the piston in the first piston chamber 307 moves toward the end of the bidirectional cylinder 306, so that negative pressure is formed in the first piston chamber 307, and raw material in the material storage tank 2 can be pumped into the first piston chamber 307.

When the bi-directional cylinder 306 drives a pair of pistons in a direction opposite to the first direction, i.e., the second direction; the piston in the first piston chamber 307 moves towards one end of the bi-directional cylinder 306 and the piston in the first piston chamber 307 moves towards one end facing away from the bi-directional cylinder 306, so that a negative pressure is created in the second piston chamber 307, whereby the material in the reservoir 2 can be drawn into the second piston chamber 307, whereas the material in the first piston chamber 307 will be pushed by the piston to be transported through the discharge opening 305 to the spraying device 310.

By matching the pair of piston chambers 307 with the bidirectional cylinder 306, the feeding port 304 can form a reciprocating feeding process through the bidirectional piston feeding assembly 303, one side is discharged, and the other side is fed, so that the raw materials can be ensured to be continuously supplied to the spraying device 310, and continuous feeding and stable operation of the feeding device 301 are realized through continuous control and operation continuation of the operation.

By the continuous and stable operation of the bi-directional piston feed assembly 303, the purpose of continuously feeding the mixture raw material with high viscosity such as mortar paint can be ensured.

In some embodiments, as shown in fig. 9 and 10, the two-way piston feeding assemblies 303 are a pair, the two-way piston feeding assemblies 303 are connected in parallel between a pair of opening pipe sections of the main pipeline 302, the discharging directions of the two-way piston feeding assemblies 303 can be the same, and the discharging amount and the discharging pressure can be improved through the two-way piston feeding assemblies 303. A first valve 308 is respectively arranged at the connection part of each bidirectional piston feeding assembly 303 and the open pipe section, and the on-off of the bidirectional piston feeding assembly 303 can be controlled through the first valve 308. The pair of bi-directional piston feed assemblies 303 may not operate simultaneously and each may operate independently of the other so as to be able to operate as a stand-by for each other and avoid any possible damage or abnormality to one of them which could result in an abnormality in the overall feed device 301.

In some embodiments, the plurality of discharge ports 305 are respectively disposed on the closed pipe section of the main pipeline 302, and each discharge port 305 is provided with a second valve 309, so that one of the discharge ports 305 can be opened when in use, and the other two discharge ports 305 are used as spare, so as to avoid blocking the valves by raw materials with higher viscosity.

The first valve 308 and the second valve 309 may be pinch valves, and the control system controls opening and closing of the pinch valves, and may be controlled by an input command of an operation panel, or may be automatically continued by a preset program. The control system controls the pinch valves at the two ends corresponding to the pair of feed inlets 304 to be respectively in different opening and closing states, so that continuous reciprocating material pumping process of feeding at one end and discharging at the other end can be realized. When one end of the bi-directional piston feed assembly 303 is fed, the pinch valve upstream of the end is connected, the pinch valve downstream is disconnected, so that the raw material extracted from the end can enter the piston chamber 307, the other end of the bi-directional piston feed assembly 303 is in a discharging state, the pinch valve upstream of the bi-directional piston feed assembly 303 is disconnected, and the pinch valve downstream is opened, so that the raw material can be discharged from the discharging port 305.

In some embodiments, the spray coating device 310 includes a spray coating bracket 311, at least one pair of spray gun assemblies 312, a cam linkage assembly 313, and a spray coating drive 314; the spraying bracket 311 is connected to one side of the vehicle body 1; the cam link assembly 313 is connected to the spray bracket 311; at least one pair of spray gun assemblies 312 are rotatably coupled to the spray brackets 311 and to the cam link assemblies 313, respectively; the spraying driving device 314 is connected to the cam link assembly 313 in a driving manner, and the spraying driving device 314 drives the cam link assembly 313 to operate so as to drive at least one pair of spray gun assemblies 312 to swing up and down.

In some embodiments, as shown in fig. 11 and 12, the middle portion of the spraying bracket 311 is connected to the vehicle body chassis 101 through a bolt, and is located at a side edge of the vehicle body chassis 101, the spraying driving device 314 is connected to an end of the spraying bracket 311 facing the vehicle body chassis 101, that is, a first end, and the spray gun assembly 312 is connected to an end of the spraying bracket 311 facing the outside of the vehicle, that is, a second end, through a cam link assembly 313.

In some embodiments, the spray gun assembly 312 is a pair of first and second spray gun assemblies, respectively, the first spray gun assembly being slidably coupled to a top portion of the second end of the spray bracket 311 and the second spray gun assembly being coupled to a bottom portion of the second end of the spray bracket 311.

As shown in fig. 11 and 12, the first spray gun assembly and the second spray gun assembly respectively include a spray gun bracket 315 and a pair of spray guns 316, the spray gun bracket 315 is U-shaped, the spray gun bracket 315 is arranged on both sides of the spray gun bracket 311 in a straddling manner, the pair of spray guns 316 are connected to the middle part of the spray gun bracket 315, the two ends of the spray gun bracket 315 are connected with connecting shafts 317, and the connecting shafts 317 penetrate through the spray gun bracket 311 and are rotatably connected with the spray gun bracket 311 through bearings. The first spray gun assembly 312 and the spray gun carriage 315 of the second spray gun assembly 312 are disposed opposite one another.

As shown in fig. 11 and 12, an adjusting groove 318 inclined to the horizontal is provided at the top of the spray bracket 311, and a connecting shaft 317 of the first spray gun assembly 312 is slidably connected to the adjusting groove 318. The spraying device 310 further comprises a limiting plate and a limiting bolt 319, wherein the limiting plate is arranged at the end part of the second end of the spraying bracket 311, the limiting bolt 319 penetrates through the limiting plate and is connected with the middle part of the connecting shaft 317 of the first spray gun assembly 312, so that the position of the first spray gun assembly 312 in the adjusting groove 318 is limited, the height of the first spray gun assembly 312 can be adjusted, the coverage range of spraying operation can be adjusted, and the spraying device is suitable for spraying of isolation piers with different heights.

The opposite surfaces of the two ends of each spray gun support 315 are respectively and rotatably connected with a plurality of pulleys 320 which are arranged up and down, a swinging channel is formed between the pulley 320 positioned above and the pulley 320 positioned below at one end of each spray gun support 315, and the swinging channel is arranged along the width direction of the vehicle body 1. The pulley 320 located below is sleeved on the connecting shaft 317.

In some embodiments, the pulleys 320 at both ends of each gun carriage 315 are three, respectively, the three pulleys 320 are arranged in a delta shape, two pulleys 320 are on the upper side, one pulley 320 is on the lower side, and a swinging channel is formed between the upper pulley 320 and the lower pulley 320.

The cam link assembly 313 includes two pairs of cam link structures, each pair of cam link structures is disposed on two sides of the spraying bracket 311, and is rotatably connected with the spraying bracket 311 through a cam connecting shaft.

The cam connecting rod structure comprises a cam 321 and a connecting rod 322, wherein the cam 321 is fixedly connected to the end part of a cam connecting shaft, a plurality of connecting holes which are close to the outer edge and distributed in a ring shape or an arc shape are formed in the cam 321, one end of the connecting rod 322 is rotatably connected in one connecting hole, and the other end of the connecting rod 322 penetrates through one swinging channel.

The painting driving device 314 includes a painting motor, which is a rotating motor, and is connected to the first end of the painting bracket 311. The middle parts of a pair of cam connecting shafts of the two pairs of cam connecting rod structures are respectively provided with a driven wheel 323, the output end of the spraying motor is connected with at least one driving wheel 324, the at least one driving wheel 324 is synchronously connected with the pair of driven wheels 323 through a linkage piece, and the linkage piece can be a synchronous belt or a chain (not shown in the drawing).

When the spraying motor drives the driving wheel 324 to rotate, the driven wheel 323 can be driven to synchronously rotate, the cam connecting shaft is driven to rotate, and therefore the cams 321 positioned on two sides of the spraying support 311 are driven to rotate, as the connecting rod 322 is rotationally connected to the cams 321, the rotation of the cams 321 can drive one end of the connecting rod 322 to synchronously rotate along the rotation direction of the cams 321, one end of the connecting rod 322 forms periodic height change, the middle part of the connecting rod 322 is slidingly connected in the swinging channel, the spraying support 315 and the pulley 320 positioned below are rotationally connected with the spraying support 311 through the connecting shaft 317, the spraying support 311 is fixed on the vehicle body underframe 101, the pulley 320 positioned below the swinging channel and the connecting shaft 317 form a fulcrum for the connecting rod 322, and the connecting rod 322 takes the fulcrum as the center, so that the angle between the axial direction of the connecting rod 322 and the horizontal direction changes periodically while the connecting end of the connecting rod 322 is in periodic circular motion with the cam 321. Because the connecting rod 322 is connected in the swinging channel, the spray gun bracket 315 and the axial angle change of the connecting rod 322 can be driven to synchronously move, so that the spray gun 316 moves along with the spray gun, periodic swinging is formed, and the spraying of the hard shoulder from top to bottom or from bottom to top can be realized, so that the spraying is more uniform.

The first spray gun assembly 312 and the second spray gun assembly 312 have a height difference therebetween, and the spraying operation is performed synchronously with the traveling operation, so that, as shown in fig. 13, the first spray gun assembly 312 and the second spray gun assembly 312 can respectively form a continuous M-shaped spraying track, and the spraying tracks of the first spray gun assembly 312 and the second spray gun assembly 312 are partially overlapped, so that the spraying is more uniform, and the condition of missing coating or dropping liquid is avoided.

According to the application, the cam connecting rod assembly 313 and the spraying driving device 314 are matched to enable the pair of spray gun assemblies 312 to swing periodically in the up-down direction respectively, so that the spray gun assemblies can swing periodically up and down continuously in the moving process of the spraying vehicle, the uniform spraying effect is improved, the condition that the spraying is uneven and the spraying is required to be uniformly smeared manually is avoided, and the potential safety hazard of manual operation of a highway is avoided.

The spray gun 316 may be a conventional product, such as 1700-type spray gun 316, which has a ceramic nozzle, and the raw materials may be sprayed out after being added and atomized by the aerodynamic force provided by the gas path system, so that the specific structure and principle will not be repeated.

The spray gun 316 is communicated with the discharge ports 305, and two of the plurality of discharge ports 305 can be respectively communicated with the spray guns 316 of the two spray gun assemblies 312, and the rest are used as standby, so that the other discharge ports 305 are prevented from being out of work due to faults.

In some embodiments, the cleaning system 4 comprises at least one water storage tank 401, a water pump, a cleaning gun and a recovery tank, the water storage tank 401 is used for containing cleaning water, a first water outlet of the water storage tank 401 is communicated with an inlet of the water storage tank 2 through the water pump, and a second water outlet of the water storage tank 401 is communicated with the cleaning gun; the recovery tank is communicated with the outlet of the storage tank 2; the stirring device 201 is respectively arranged in the storage tank 2 and the water storage tank 401.

In some embodiments, the stirring device 201 is disposed at the top of the storage tank 2 and the storage tank 401, and includes a stirring driving device, a stirring shaft and a stirring blade, where the stirring driving device is fixed at the top of the storage tank 2 and includes a speed reducer and a stirring driving member, and the stirring driving member may be an air motor or a stirring motor, where the air motor is used, the air motor is connected with a control valve of the air path system to obtain aerodynamic force. The raw materials in the storage tank 2 are stirred by the stirring device 201, so that coagulation is avoided, and the raw materials are easy to spray out.

The water storage tank 401 and the water storage tank 2 are both provided with the stirring device 201, so that the water storage tank 401 and the water storage tank 2 can be mutually standby, the water storage tank is convenient to adjust and use according to requirements, a first water outlet of the water storage tank 401 is connected to a water pump, water in the water storage tank 401 is pumped out through the water pump, and other required components are cleaned. The cleaning gun can be used for cleaning the surface of the spraying vehicle and can be clamped on the water storage tank 401 or the vehicle body underframe 101 through the cleaning gun bracket, and the water pressure of the discharged water is not lower than 0.2Mpa.

When the spraying is finished and cleaning is performed, the connection part of the feeding device 301 and the spraying device 310 can be disconnected, the discharge port 305 is communicated with the inlet of the recovery tank, and the residual raw materials are recovered through the action of the feeding device 301;

after the raw materials in the storage tank 2 are emptied, a three-way joint for connecting an outlet of the storage tank 2 and a pair of feeding ports 304 of the feeding device 301 can be disconnected, the outlet of the storage tank 2 is communicated with a sewage pipeline, water in the storage tank 401 is pumped out through a water pump and is conveyed into the storage tank 2 from top to bottom for flushing, and meanwhile, the outside of a spraying vehicle is manually cleaned and flushed through a cleaning gun;

when the water flowing out of the outlet of the storage tank 2 is cleaner, the outlet of the storage tank 2 is communicated with a pair of feed inlets 304 of the feeding device 301 through a three-way joint, and a discharge outlet 305 of the feeding device 301 is communicated with a sewage drain pipe, so that clean water enters the feeding device 301 for cleaning;

when the water flowing out from the discharge port 305 is clean water, the discharge port 305 is communicated with the spraying device 310 to clean the spraying device 310, and as the residual raw materials in the spraying device 310 are less, the cleaning water sprayed out from the spraying device 310 is cleaner and has less impurities and better environmental pollution, the water sprayed out from the spray gun 316 can be sprayed into the recovery tank or sprayed into the atmosphere for discharging according to the actual situation, so that the sequential cleaning process is completed.

According to the spraying vehicle, the sprayed storage tank 2, the feeding device 301 and the spraying device 310 are sequentially cleaned through the cleaning system, so that the situation that sewage with high precursor raw material content is fed into the feeding device 301 and the spraying device 310 is avoided, the cleaning effect is reliable and quick, and the blocking condition is reduced.

According to the spraying vehicle provided by the application, the water storage tank 401 and the storage tank 2 can have the same capacity, and the water storage tank 401 can contain not less than 200kg of water, so that compared with a traditional mode of cleaning after moving, the spraying vehicle provided by the application can be used for injecting a proper amount of water into the storage tank 2 in advance after finishing operation to avoid condensation, then moving to a safe position for cleaning, avoiding condensation of residual raw materials in the storage tank 2, and cleaning without moving a long distance to the safe position.

The working process of the spraying vehicle is as follows:

through the information that the operation panel of automatically controlled cabinet 129 shows, whether check that the electric quantity of power storage device is sufficient and the system connection condition is normal, will fill sufficient raw materials in the storage tank 2 after confirming that there is no mistake, will fill right amount clear water in the storage tank 401, annotate diesel oil with air compressor machine 125 again in order to drive its operation, be connected with traction frame and traction vehicle with the traction interface 111 of mounting bracket 110, will spray the car to job site through traction vehicle, accomplish the preparation process.

After the spraying vehicle arrives at the working site, the air compressor 125 is started to provide a compressed air source, the electric power is continuously converted through the generator, the operation control is manually performed through the operation panel, the driving axle assembly 103 runs, the steering axle assembly 102 assists in rotating, and the spraying vehicle runs to the region to be operated. After a detection preset distance of a ranging sensor and a front-rear safety distance detected by a radar system are set on an operation panel, an automatic spraying mode is started, the spraying vehicle automatically seeks track along the road direction and runs, and aerodynamic force provided by an air compressor 125 is used in the running process; the bidirectional piston feeding assembly 303 of the feeding device 301 drives the bidirectional cylinder 306 to start under the aerodynamic force of the air compressor, so that a pair of pistons at two ends of the bidirectional cylinder 306 reciprocate in corresponding piston chambers 307 respectively, a continuous material sucking process of extracting raw materials at one end and outputting raw materials at the other end is realized, and raw materials are fed into the spraying device 310 through the discharge port 305; the spraying device 310 periodically swings at a certain angle under the cooperation of the cam connecting rod assembly 313 and the spraying driving device 314, meanwhile, the discharge hole 305 of the feeding device 301 discharges raw materials into the nozzle of the spray gun 316 device, the raw materials are sprayed out of the nozzle of the spray gun 316, and the raw materials are pressurized and atomized in the process through the self structure of the spray gun 316, so that the automatic on-road running of the spraying vehicle is realized, and the road barrier pier is covered and sprayed in the running process, so that the running spraying process is completed.

And after the spraying is finished, cleaning the raw material flowing process of the spraying vehicle in sequence.

The spraying vehicle provided by the application uses an air source as a power source, the steering axle assembly 102 is driven by the driving axle assembly 103 to run, in the running process, the bidirectional piston feeding assembly 303 of the feeding device 301 is driven by aerodynamic force to extract raw materials in the storage tank 2 and then push the raw materials to the feeding device 301, and a pair of pistons of the bidirectional cylinder 306 reciprocate in the pair of piston chambers 307, so that continuous feeding can be realized; the pneumatic driving spray gun 316 is used for pressurizing and atomizing raw materials, the cam connecting rod assembly 313 and the spraying driving device 314 are matched to realize the coverage type spraying of the along-road range, the steering axle assembly 102 has an automatic steering function, the walking angle can be adjusted in real time according to the road condition in an automatic running mode, the power source is converted through the electric control cabinet 129 and the air compressor 125, the driving force is ensured to be stable, and the full-automatic spraying operation of the along-road running is completed.

The spraying vehicle provided by the application can be used for spraying raw materials with higher viscosity such as mortar and the like, is suitable for highways and municipal highways, and can be used for carrying out full-automatic surface spraying maintenance work on roadbeds and hard piers. The adoption of the loadable vehicle body 1 structure reduces the use of various equipment, transportation vehicles and other complicated tools, avoids the frequent replenishment of raw materials, fuel, water and other procedures, simplifies the complicated procedures and directly improves the efficiency of construction operation; the automatic equipment is used for replacing a large amount of manual operation, so that the stable efficiency of construction operation is ensured, the labor cost is saved, and the endless loss caused by long-term stagnation of engineering due to factors such as weather is avoided; the power self-supporting multifunctional equipment is adopted, so that factors such as highway maintenance operation, lack of external resource conditions and the like are overcome, the construction operation progress is ensured, and the engineering cost is saved; the automatic driving operation is adopted, so that the manual workload is reduced, the steps of mechanical transformation of highway maintenance are accelerated, and the possibility of serious loss of life and property and the like due to highway accidents is greatly reduced.

It will be appreciated that the relevant features of the apparatus described above may be referred to with respect to each other. In addition, the "first", "second", and the like in the above embodiments are for distinguishing the embodiments, and do not represent the merits and merits of the embodiments.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A spray cart, comprising:

the vehicle body is provided with a running system, and the running system drives the vehicle body to run straight or turn;

at least one storage tank, at least one storage tank is arranged on the vehicle body;

The feeding spraying device is connected to the vehicle body and communicated with the storage tank, and is used for spraying raw materials provided by the storage tank to at least one side of the vehicle body along a preset track;

the cleaning system is arranged on the vehicle body, is communicated with the feed spraying device and is used for cleaning the storage tank and/or the feed spraying device;

and the control system is used for respectively controlling the starting and stopping of the running system, the feeding spraying device and the cleaning system.

2. The spray cart of claim 1, wherein,

the feeding and spraying device comprises a feeding device and a spraying device, and the feeding device and the spraying device are respectively arranged on the vehicle body;

the feeding device comprises at least one bidirectional piston feeding assembly, wherein the bidirectional piston feeding assembly comprises a pair of feeding ports and a discharging port, the pair of feeding ports are oppositely arranged, the discharging ports are respectively communicated with the pair of feeding ports, and the pair of feeding ports are respectively communicated with the outlet of the storage tank; the discharge port is communicated with the spraying device.

3. The spray cart of claim 2, wherein,

The spraying device comprises a spraying bracket, at least one pair of spray gun assemblies, a cam connecting rod assembly and a spraying driving device; the spraying bracket is connected to one side of the vehicle body; the cam connecting rod assembly is connected to the spraying bracket; at least one pair of spray gun assemblies are respectively and rotatably connected to the spraying bracket and the cam connecting rod assembly; the spraying driving device is in driving connection with the cam connecting rod assembly, and the spraying driving device drives the cam connecting rod assembly to operate so as to drive at least one pair of spray gun assemblies to swing up and down.

4. The spray cart of claim 1, wherein,

the vehicle body comprises a vehicle body underframe; the driving system comprises a steering axle assembly and a driving axle assembly, wherein the steering axle assembly and the driving axle assembly are respectively connected to two ends of the vehicle body underframe and used for respectively driving the vehicle body underframe to steer and drive.

5. The spray cart of claim 4, wherein,

the steering axle assembly includes:

the steering wheel set is connected to one end of the vehicle body underframe;

the planetary gear assembly is connected to the middle part of the steering wheel group;

The driving shaft is rotatably connected to the vehicle body underframe;

the steering driving device is arranged on the chassis of the vehicle body, is in driving connection with the driving shaft and is used for driving the driving shaft to rotate;

a clutch connected to the steering shaft and the driving shaft of the planetary gear assembly, respectively;

the clutch is engaged to enable the driving shaft and the steering shaft of the planetary gear assembly to synchronously rotate to drive the steering wheel set to rotate, and the clutch is disengaged to enable the driving shaft and the steering shaft to independently rotate;

the drive axle assembly includes:

the driving wheel set is connected to the other end of the vehicle body underframe;

the driving wheel driving device is in driving connection with the driving wheel set and is used for driving the driving wheel set to advance or retreat.

6. The spray cart of claim 5, wherein,

the steering device further comprises a rotation limiting rod, one end of the rotation limiting rod is rotationally connected to the chassis of the vehicle body, and the other end of the rotation limiting rod is slidingly connected to the steering wheel group along the running direction of the vehicle body and is used for limiting the rotation angle of the steering axle assembly to be not more than a first preset angle;

7. The spray cart of claim 1, wherein,

the system also comprises a safety system, wherein the safety system comprises an inspection driving system, a radar system and at least one pair of anti-collision wheel assemblies;

the anti-collision wheel assemblies comprise anti-collision wheels, anti-collision connecting arms and anti-collision wheel driving devices, and the anti-collision wheels of each anti-collision wheel assembly are rotatably connected to the vehicle body through the anti-collision connecting arms and are positioned on the same side as the feeding spraying devices;

the anti-collision wheel driving device is in driving connection with the anti-collision connecting arm and is used for driving the anti-collision connecting arm to rotate so that the anti-collision wheel assembly protrudes out of the feeding spraying device by a first preset distance;

the side-cruising running system comprises a ranging sensor, the ranging sensor is connected to the vehicle body and located at the same side as the discharging direction of the feeding spraying device, the ranging sensor monitors the distance between the side surface of the vehicle body and the lateral obstacle, and the control system controls the vehicle body to turn according to the detection signal of the ranging sensor so as to keep a second preset distance from the lateral obstacle to run;

The radar system is arranged at the front end and the rear end of the vehicle body and used for detecting the distance between the vehicle body and the front and rear obstacles, and the control system receives detection signals of the radar system and controls the vehicle body to steer according to the radar detection signals.

8. The spray cart of claim 1, wherein,

the system also comprises an air circuit system and a circuit system;

the air path system comprises an air compressor, a pressure maintaining tank and a control valve which are sequentially communicated, and the control valve is communicated with the feeding spraying device and is used for providing power;

the circuit system comprises a generator and an electricity storage device, wherein the generator is electrically connected with the electricity storage device, and the electricity storage device is electrically connected with the control system.

9. The spray cart of claim 1, wherein,

the cleaning system comprises at least one water storage tank, a water pump, a cleaning gun and a recovery tank, wherein the water storage tank is used for containing cleaning water, a first water outlet of the water storage tank is communicated with an inlet of the water storage tank through the water pump, and a second water outlet of the water storage tank is communicated with the cleaning gun; the recovery tank is communicated with the outlet of the storage tank;

and stirring devices are respectively arranged in the storage tank and the water storage tank.

10. The spray cart of claim 1, wherein,

the top of automobile body is equipped with hides rain water conservancy diversion lid, the side of automobile body is equipped with observation ladder and/or operation ladder.