CN218085058U - Cleaning vehicle - Google Patents

Abstract

The application discloses wash car relates to environmental protection equipment technical field. The cleaning vehicle comprises a chassis, a water tank and an upper power module; the chassis is provided with a battery module; the water tank is arranged on the chassis; the upper-loading power module comprises a driving motor arranged on the chassis, a transfer case switching mechanism, a first water pump and a second water pump, a motor controller of the driving motor is electrically connected with the battery module, the transfer case comprises an input shaft and an output shaft, one end of the input shaft is connected with the driving motor, the other end of the input shaft is connected with the first water pump through the transfer case switching mechanism, the output shaft is connected with the second water pump, the transfer case switching mechanism is used for controlling the on-off of power transmission between the input shaft and the first water pump, and the water inlets of the first water pump and the second water pump are communicated with a water tank. The utility model discloses simplify the structure of facial make-up power module in the washing car, reduce the space that occupies, promote the volume of water pitcher, long and efficiency when promoting the operation, reduce whole car weight and manufacturing cost.

Description

Cleaning vehicle

Technical Field

The application relates to the technical field of environmental protection equipment, in particular to a cleaning vehicle.

Background

Urban environmental sanitation is receiving more and more attention, and therefore high-pressure cleaning vehicles are widely used. At present, a pure electric high-pressure cleaning vehicle is adopted to replace a fuel oil type high-pressure cleaning vehicle in the market. The pure electric high-pressure cleaning vehicle is provided with two sets of independent high-pressure and low-pressure water pump driving mechanisms, wherein a high-pressure water pump and a low-pressure water pump in the high-pressure and low-pressure water pump driving mechanisms are respectively driven by a motor independently, and each water pump is also required to be provided with a radiator, a motor controller and other electronic accessories independently, so that the high-pressure cleaning vehicle is more in upper parts, occupies larger installation space, further limits the volume of a tank body in the high-pressure cleaning vehicle, and influences the single operation time and the operation efficiency of the high-pressure cleaning vehicle.

In addition, in the actual operation scene, the occasion that two water pumps participate in the work simultaneously is few, and generally only one works. Therefore, the two sets of independent high-pressure and low-pressure water pump driving mechanisms also increase the weight and the manufacturing cost of the whole vehicle.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a cleaning vehicle for solve the not enough that exists among the prior art.

To achieve the above object, the present application provides a cleaning cart comprising:

a chassis; a battery module is arranged on the chassis;

the water tank is arranged on the base plate; and

the upper power module comprises a driving motor, a transfer case switching mechanism, a first water pump and a second water pump, wherein the driving motor, the transfer case, the first water pump and the second water pump are arranged on the chassis, a motor controller of the driving motor is electrically connected with the battery module, the transfer case comprises an input shaft and an output shaft, one end of the input shaft is connected with the driving motor, the other end of the input shaft is connected with the first water pump through the transfer case switching mechanism, the output shaft is connected with the second water pump, the transfer case switching mechanism is used for controlling the on-off of power transmission between the input shaft and the first water pump, the water inlets of the first water pump and the second water pump are communicated with the water tank, and the first water pump and the second water pump are respectively used for providing water pressure with different pressures.

As a further improvement of the technical scheme:

in one possible embodiment, the cleaning vehicle further comprises a high-pressure cleaning operation module and a low-pressure cleaning operation module which are arranged on the chassis;

the high-pressure cleaning operation module is connected with the second water pump through a high-pressure water supply pipeline;

the low-pressure cleaning operation module is connected with the first water pump through a low-pressure water supply pipeline;

wherein the pressure output by the first water pump is less than the pressure output by the second water pump.

In a possible implementation, the high-pressure cleaning operation module comprises a water spraying frame and a high-pressure water gun, wherein the water spraying frame is arranged at the front end of the chassis, and the high-pressure water gun is arranged on an operation platform at the rear end of the chassis.

In one possible embodiment, the first water pump is a low-pressure water pump and the second water pump is a high-pressure water pump.

In one possible embodiment, the second water pump is arranged on one side of the transfer case, and the second water pump is connected with the output shaft through a mechanical transmission mechanism.

In one possible embodiment, the cleaning vehicle further comprises a protective cover which is arranged outside the upper power module;

wherein, the protection casing housing is the glass steel material, the inside cladding of protection casing has the sound of inhaling cotton.

In a possible implementation manner, the cleaning vehicle further includes a heat dissipation device, which is disposed on the chassis and used for dissipating heat of the battery module in the chassis;

the heat dissipation device further dissipates heat for the driving motor and the motor controller through a cooling loop.

In a possible embodiment, the cleaning vehicle further comprises a self-priming device, the self-priming device is connected to the water tank through a pipeline, and the self-priming device is used for pumping outside water into the water tank.

In a possible implementation mode, the chassis is a pure electric chassis, and the battery modules are laterally hung or flatly arranged on the chassis.

In a possible embodiment, the chassis is a hybrid chassis, wherein an engine is further disposed in the chassis, both the engine and the battery module are used for providing a power source for the chassis, and the engine is further used for charging the battery module.

Compared with the prior art, the beneficial effects of the application are that:

the application provides a wash car passes through the battery module on the chassis and supplies power for driving motor, connects the transfer case by driving motor again, then drives first water pump and second water pump work respectively by the transfer case, can select at least one participation work in the second water pump of first water pump according to the actual work operating mode of wasing the car through the cooperation of transfer case and transfer case switching mechanism. Therefore, independent driving motors do not need to be respectively prepared for the first water pump and the second water pump, the structure of the upper power module is simplified, and the upper power module is compact in structure, small in size, light in weight and less in occupied installation space. The volume of the water tank can be further improved, the time and the operation efficiency of single operation are further improved, and the weight and the manufacturing cost of the whole vehicle are reduced.

Additional features and advantages of the present application will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate certain embodiments of the application and together with the description serve to explain the application, it will be understood that the following drawings illustrate only some embodiments of the application and are therefore not to be considered limiting of scope, for those skilled in the art to which the invention pertains and that other related drawings may be devised without departing from the inventive concepts herein. In the drawings:

FIG. 1 is a schematic structural diagram of a washing vehicle according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram illustrating an upper power module of the cleaning vehicle provided by the embodiment of the application;

fig. 3 shows a top view of the upper power module of fig. 2.

Description of the reference numerals:

100. a chassis; 110. a cab; 120. an operation platform;

200. a water tank;

300. a power module is installed; 310. a drive motor; 311. a motor controller; 320. a transfer case; 321. an input shaft; 322. an output shaft; 330. a transfer case switching mechanism; 340. a first water pump; 350. a second water pump; 360. a first bracket; 370. a second bracket; 380. a mechanical transmission mechanism; 381. a synchronous pulley transmission mechanism; 390. a drive shaft;

400. a protective cover;

500. a water spraying frame;

600. a combined hedging-duckbill unit;

700. a water cannon-back-sprinkling combined unit;

800. a self-priming device.

Detailed Description

The following detailed description of embodiments of the present application will be made with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the embodiments of the application, are given by way of illustration and explanation only, not limitation.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the embodiments of the present application, 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 and positional relationships based on the orientation and positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The present application will now be described in detail with reference to the accompanying drawings in conjunction with exemplary embodiments.

Example one

Referring to fig. 1, the present embodiment provides a cleaning vehicle, and particularly relates to a pure electric cleaning vehicle.

In this embodiment, the wash cart includes a chassis 100, a water tank 200, and an upper mounted power module 300. The chassis 100 is a pure electric chassis, a cab 110 is arranged on the chassis 100, and a battery module is further arranged in the chassis 100 and can provide a power source for the chassis 100 to drive the chassis 100 to walk. The water tank 200 and the upper power module 300 are also disposed on the chassis 100, and the upper power module 300 is located between the water tank 200 and the cab 110. The water tank 200 is used for storing water for cleaning, and the upper power module 300 is used for pumping the water in the water tank 200 to perform corresponding operations.

Referring to fig. 1, 2 and 3, in particular, the upper power module 300 includes a driving motor 310, a transfer case 320, a transfer case switching mechanism 330, a first water pump 340 and a second water pump 350, which are disposed on the chassis 100. The driving motor 310 is disposed on the chassis 100 through the first bracket 360, the motor controller 311 of the driving motor 310 is electrically connected to the battery module, and the motor controller 311 is used for controlling driving to work electrically.

The transfer case 320 is disposed on the chassis 100 through the second bracket 370, the transfer case 320 includes an input shaft 321 and an output shaft 322, one end of the input shaft 321 is connected to the motor shaft of the driving motor 310, the other end of the input shaft 321 is connected to the first water pump 340 through the transfer case switching mechanism 330 (not shown), and the output shaft 322 is connected to the second water pump 350. The transfer case switching mechanism 330 is used for controlling the on-off of the power transmission between the input shaft 321 and the first water pump 340, and the transfer case 320 can control the power transmission of the input shaft 321 to the output shaft 322. Wherein, the water inlets of the first water pump 340 and the second water pump 350 are both communicated with the water tank 200, and the first water pump 340 and the second water pump 350 are respectively used for providing water pressure with different pressures so as to be used for different working conditions.

Furthermore, filters (not shown) are disposed on the pipelines connecting the water inlets of the first water pump 340 and the second water pump 350 with the water tank 200, so as to filter out impurities in the water and ensure the normal and stable operation of the first water pump 340 and the second water pump 350.

In the present embodiment, the transfer case 320 is pneumatically controlled to transmit power from the input shaft 321 to the output shaft 322. It can be understood that the upper power module 300 of the cleaning vehicle provided in the present embodiment has three operating states, which are respectively as follows:

(1) The first water pump 340 participates in the work, and the second water pump 350 does not participate in the work; specifically, the output power of the driving motor 310 is transmitted to the input shaft 321 of the transfer case 320, the transfer case switching mechanism 330 controls the input shaft 321 to be combined with the first water pump 340, so that the power output by the driving motor 310 is transmitted to the first water pump 340 through the input shaft 321, and meanwhile, the input shaft 321 is controlled not to transmit power to the output shaft 322 in the transfer case 320, so that the second water pump 350 is not driven, and the second water pump 350 does not participate in the work.

(2) The first water pump 340 does not participate in the work, and the second water pump 350 participates in the work; specifically, the output power of the driving motor 310 is transmitted to the input shaft 321 of the transfer case 320, the transfer case switching mechanism 330 controls the input shaft 321 to be disconnected from the first water pump 340, and the control input shaft 321 in the transfer case 320 transmits the power to the output shaft 322, so that the power output by the driving motor 310 is transmitted to the output shaft 322 through the input shaft 321, the output shaft 322 drives the second water pump 350 to work, and the first water pump 340 does not participate in the work.

(3) The first water pump 340 and the second water pump 350 both participate in the work; specifically, the output power of the driving motor 310 is transmitted to the input shaft 321 of the transfer case 320, the transfer case switching mechanism 330 controls the input shaft 321 to be combined with the first water pump 340, and the transfer case 320 controls the input shaft 321 to transmit the power to the output shaft 322, so that the power output by the driving motor 310 is transmitted to the output shaft 322 through the input shaft 321, the output shaft 322 drives the second water pump 350 to work, and the input shaft 321 can drive the first water pump 340 to work.

In some embodiments, the transfer case switching mechanism 330 may select a pneumatically driven fork, such that the fork is utilized to turn on and off the power transmission between the input shaft 321 of the transfer case 320 and the first water pump 340.

In some embodiments, the battery modules are hung or tiled on the chassis 100. It should be noted that, in the prior art, two motors are arranged in the back-type battery chassis 100, and motor brackets of the two motors are respectively suspended on two sides of a crossbeam of the back-type battery chassis 100, so that the structure of the motor brackets is complex. And the battery module is hung or tiled on the chassis 100 in the embodiment, and compared with the back-type battery chassis 100 in the prior art, the first support 360 and the second support 370 can be arranged on the upper surface of the girder of the chassis 100, so that the structural design is simpler.

The washing vehicle provided by the embodiment supplies power to the driving motor 310 through the battery module on the chassis 100, the driving motor 310 is connected with the transfer case 320, the transfer case 320 respectively drives the first water pump 340 and the second water pump 350 to work, and at least one of the first water pump 340 and the second water pump 350 can be selected to participate in the work according to the actual working condition of the washing vehicle through the cooperation of the transfer case 320 and the transfer case switching mechanism 330. Therefore, the first water pump 340 and the second water pump 350 do not need to be respectively provided with the independent driving motor 310, the structure of the upper power module 300 is simplified, and the upper power module 300 is compact in structure, small in size, light in weight and less in occupied installation space. The design volume of the water tank 200 can be further increased, the time and the operation efficiency of single operation are further improved, and meanwhile, the weight of the whole vehicle and the manufacturing cost are reduced.

Further, the cleaning vehicle provided by the embodiment further comprises a high-pressure cleaning operation module and a low-pressure cleaning operation module which are arranged on the chassis 100. The pressure output by the first water pump 340 is less than the pressure output by the second water pump 350, so that the high-pressure cleaning operation module is connected with the second water pump 350 through a high-pressure water supply pipeline, and the low-pressure cleaning operation module is connected with the first water pump 340 through a low-pressure water supply pipeline.

Of course, in some embodiments, the pressure output by the first water pump 340 is greater than the pressure output by the second water pump 350, such that the high pressure cleaning module is connected to the first water pump 340 via a high pressure water supply line and the low pressure cleaning module is connected to the second water pump 350 via a low pressure water supply line.

In this embodiment, the pressure output by the first water pump 340 is less than the pressure output by the second water pump 350, the first water pump 340 is selected to be a low-pressure water pump, and the second water pump 350 is a high-pressure water pump, so that the first water pump 340 provides low-pressure water and the second water pump 350 provides high-pressure water.

Optionally, the first water pump 340 is a centrifugal water pump, wherein the centrifugal water pump has a self-priming function. The second water pump 350 is a high-pressure plunger pump, a high-pressure reciprocating pump, a high-pressure electric pressure test pump, or the like. It should be understood that the foregoing is illustrative only and is not intended to limit the scope of the invention.

Further, a second water pump 350 is disposed on one side of the transfer case 320, and the second water pump 350 is interposed between the transfer case 320 and the drive motor 310. The second water pump 350 is connected with the output shaft 322 of the transfer case 320 through a mechanical transmission mechanism 380, so that the power output by the output shaft 322 of the transfer case 320 can be transmitted to the second water pump 350 through the mechanical transmission mechanism 380 to drive the second water pump 350 to work. From this can understand, arrange second water pump 350 in one side of transfer case 320, can make facial make-up power module 300 structure compacter to the space between rational utilization water pitcher 200 and the driver's cabin 110 reduces the space that facial make-up power module 300 occupy, indirectly can increase the volume of water pitcher 200 design, and the extension washs long when car single is washd, improves the cleaning efficiency.

In some embodiments, the mechanical transmission 380 connected between the second water pump 350 and the output shaft 322 of the transfer case 320 may alternatively be a pulley transmission; further, the timing belt drive 381 may be preferable. The synchronous pulley transmission mechanism 381 is a carbon fiber polyurethane composite synchronous belt, and the load capacity of the synchronous pulley transmission mechanism is far greater than that of a common belt.

In other embodiments, the mechanical transmission 380 connected between the second water pump 350 and the output shaft 322 of the transfer case 320 may alternatively be a sprocket transmission.

In still other embodiments, the mechanical transmission 380 connected between the second water pump 350 and the output shaft 322 of the transfer case 320 may alternatively be a gear transmission.

Referring to fig. 2 and 3, in some embodiments, the driving motor 310 is coupled to the input shaft 321 of the transfer case 320 via a transmission shaft 390, or the driving motor 310 is coupled to the input shaft 321 of the transfer case 320 via a coupling.

Referring to fig. 1, in some embodiments, the washing vehicle further includes a protective cover 400, and the protective cover 400 is disposed outside the upper power module 300. The design of the protective cover 400 can be used to protect the upper power module 300; on the other hand, the human body can be prevented from being in mistaken contact with the upper power module 300, so that the personal safety is protected.

Further, the protection cover 400 is made of glass fiber reinforced plastic, and the protection cover 400 is wrapped with sound absorbing cotton. The protective cover cap 400 is made of glass fiber reinforced plastic materials, so that compared with an iron cover cap, the cost is reduced, and the weight can be reduced by more than 50%; of course, the protective cover 400 may be replaced by other materials such as plastic or aluminum alloy.

In some embodiments, the sound-absorbing cotton (not shown) is wrapped inside the protective cover 400, which effectively reduces the operation noise of the upper power module 300.

Optionally, the sound-absorbing cotton can be selected from polyester fiber-covered cotton, felt, glass cotton, rock wool, polyurethane foam and the like, and the noise reduction effect is better. It is to be understood that the above description is intended to be illustrative only and is not intended to limit the scope of the present application.

Further, a work platform 120 is disposed at an end of the chassis 100 away from the cab 110, and the work platform 120 is used for an operator to stand on.

The high pressure cleaning operation module comprises a water spraying frame 500 and a high pressure water gun. The water spray frames 500 are disposed at the front end of the chassis 100, and the high-pressure water gun is disposed on the work platform 120 at the rear end of the chassis 100. The water spraying frame 500 and the high-pressure water gun are both connected with the second water pump 350 through a high-pressure water supply pipeline, so that the water spraying frame 500 and the high-pressure water gun can spray high-pressure water to clean old stains, viscous dirt and the like on squares and pavements. In addition, the handheld high-pressure spray gun can be widely used for cleaning general equipment including product vehicle bodies.

The low pressure cleaning operation module includes a hedging-duckbill combination unit 600 and a water cannon-back sprinkler combination unit 700. Wherein, the hedging-duckbill combination unit 600 is arranged at the front end of the chassis 100, and the water cannon-back sprinkler combination unit 700 is arranged at the rear end of the chassis 100. The low-pressure cleaning operation module can be respectively used for washing and sprinkling operation of places such as roads, squares and the like; the monitor is suitable for remote washing and sprinkling operations.

It can be understood that the pipe structure is simplified and the cost is reduced while reducing the weight by using the offset-duckbill combination unit 600 and the monitor-back-spray combination unit 700 to ensure the working effect.

In some embodiments, a spraying device (not shown) is further disposed on the chassis 100, and the spraying device can be used for spraying, dust settling, and heatstroke prevention and cooling operations on urban road squares.

In some embodiments, a greening irrigation device (not shown) is further disposed on the chassis 100, and the greening irrigation device can be used for irrigating green belts on two sides of a road.

In some embodiments, a low/high pressure reel washing device (not shown) is also provided on the chassis 100 for localized washing of the pavement and pavement.

In some embodiments, the cleaning cart further includes a heat sink (not shown) disposed on the chassis 100 for dissipating heat of the battery modules in the chassis 100. The heat dissipation device also dissipates heat to the driving motor 310 and the motor controller 311 through a cooling loop, and the cooling loop is used for circulating cooling liquid. Therefore, the heat dissipation device can dissipate heat for the battery module in the chassis 100 and the driving motor 310 and the motor control in the upper power module 300 at the same time, and cost is saved.

Alternatively, the driving motor 310 may be a liquid-cooled motor or an air-cooled motor.

In some embodiments, the washing cart further comprises a self-priming device 800, the self-priming device 800 is connected to the water tank 200 through a pipeline, and the self-priming device 800 is used for pumping external water (such as water in a river, a pond or a lake) into the water tank 200.

The self-priming device 800 is provided with a four-position three-way valve and a self-priming pipeline to realize the self-priming function and ensure the diversity of water sources.

Example two

Referring to fig. 1, the present embodiment provides a cleaning cart. The present embodiment is an improvement on the technology of the first embodiment, and compared with the first embodiment, the difference is that:

in this embodiment, the chassis 100 is a hybrid chassis, wherein an engine is further disposed in the chassis 100, both the engine and the battery module can be used to provide a power source for the chassis 100, and the engine is further used to charge the battery module. Therefore, the cruising ability of the cleaning vehicle can be improved, and the operation duration is prolonged.

Alternative embodiments of the present application are described in detail with reference to the drawings, however, the embodiments of the present application are not limited to the details of the embodiments, and various simple modifications may be made to the technical solutions of the embodiments of the present application within the technical concept of the embodiments of the present application, and the simple modifications all belong to the protection scope of the embodiments of the present application.

It should be noted that, in the foregoing embodiments, various features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not separately described in the embodiments of the present application.

In addition, any combination of various different implementation manners of the embodiments of the present application can be made, and the embodiments of the present application should also be regarded as disclosed in the embodiments of the present application as long as the combinations do not depart from the spirit of the embodiments of the present application.

Claims (10)

1. A wash cart, comprising:

a chassis (100) on which a battery module is provided;

the water tank (200) is arranged on the chassis (100); and

the upper-mounted power module (300) comprises a driving motor (310), a transfer case (320), a transfer case switching mechanism (330), a first water pump (340) and a second water pump (350), wherein the driving motor (310), the transfer case switching mechanism (330), the first water pump (340) and the second water pump (350) are arranged on the chassis (100), a motor controller (311) of the driving motor (310) is electrically connected with the battery module, the transfer case (320) comprises an input shaft (321) and an output shaft (322), one end of the input shaft (321) is connected with the driving motor (310), the other end of the input shaft (321) is connected with the first water pump (340) through the transfer case switching mechanism (330), and the output shaft (322) is connected with the second water pump (350);

the transfer case switching mechanism (330) is used for controlling the on-off of power transmission between the input shaft (321) and the first water pump (340), water inlets of the first water pump (340) and the second water pump (350) are both communicated with the water tank (200), and the first water pump (340) and the second water pump (350) are respectively used for providing water pressure with different pressures.

2. The wash cart according to claim 1, further comprising a high pressure wash operation module and a low pressure wash operation module disposed on said chassis (100);

the high-pressure cleaning operation module is connected with the second water pump (350) through a high-pressure water supply pipeline;

the low-pressure cleaning operation module is connected with the first water pump (340) through a low-pressure water supply pipeline;

wherein the pressure output by the first water pump (340) is less than the pressure output by the second water pump (350).

3. The washing vehicle according to claim 2, characterized in that the high-pressure washing operation module comprises a water spray frame (500) and a high-pressure water gun, the water spray frame (500) is arranged at the front end of the chassis (100), and the high-pressure water gun is arranged on the operation platform (120) at the rear end of the chassis (100).

4. The wash cart according to claim 2, wherein the first water pump (340) is a low-pressure water pump and the second water pump (350) is a high-pressure water pump.

5. The wash vehicle according to claim 1, characterized in that the second water pump (350) is arranged on one side of the transfer case (320), and the second water pump (350) is connected with the output shaft (322) via a mechanical transmission (380).

6. The wash cart of claim 1, further comprising a containment hood (400), said containment hood (400) being disposed over said upper power module (300);

wherein, protection shroud (400) cover is the glass steel material, the inside cladding of protection shroud (400) has the sound of inhaling cotton.

7. The washing cart according to claim 1, further comprising a heat sink provided to said chassis (100) for dissipating heat of said battery modules in said chassis (100);

wherein the heat sink further dissipates heat for the drive motor (310) and the motor controller (311) through a cooling circuit.

8. A washing cart according to claim 1, further comprising a self-priming device (800), the self-priming device (800) being connected to the water tank (200) by a pipeline, the self-priming device (800) being adapted to pump outside water into the water tank (200).

9. The washing vehicle according to any one of claims 1-8, characterized in that the chassis (100) is a purely electric chassis, and the battery modules are arranged on the chassis (100) in a side-hung or tiled manner.

10. A washing vehicle according to any one of claims 1-8, characterised in that the chassis (100) is a hybrid chassis, wherein an engine is also arranged in the chassis (100), both the engine and the battery module being adapted to provide a power source for the chassis (100), and the engine also being adapted to charge the battery module.

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