CN115522499A - Cleaning vehicles - Google Patents

Abstract

The invention provides a cleaning vehicle, which comprises a chassis, a cleaning device, a garbage suction and pickup device, a water supply mechanism, a sewage suction power mechanism and a transmission control system, wherein the cleaning device, the garbage suction and pickup device, the water supply mechanism, the sewage suction power mechanism and the transmission control system are arranged on the chassis; the maintenance cleaning mechanism and the deep cleaning mechanism are used for cleaning the road surface by the cleaning device; the garbage suction and pickup device is used for sucking and pickup garbage on the road surface; the water supply mechanism provides high-pressure water for the cleaning device; the sewage suction power mechanism is in power connection with both the deep cleaning mechanism and the garbage suction and pickup device and can suck sewage generated by the deep cleaning mechanism or garbage sucked and picked by the garbage suction and pickup device; the transmission control system is used for controlling the working states of the water supply mechanism and the dirt suction power mechanism so as to switch the working mode of the cleaning vehicle to a sewage recovery mode, a garbage suction mode and a road surface maintenance mode. The cleaning vehicle provided by the invention has the advantages that the functions of deep cleaning and sewage recovery and garbage suction are added on the basis of the original basic cleaning and maintenance, and the environmental protection performance of the product is improved.

Description

Cleaning vehicles

Technical Field

The invention belongs to the technical field of sanitation vehicles, and particularly relates to a cleaning vehicle.

Background

The road maintenance vehicle on the market at present comprises a chassis, an integral box body (comprising a clean water tank and a tool cabin), a water spraying frame, a fixed-point cleaning device, an auxiliary engine (or a motor), a transmission, a high-pressure waterway system, a control system and other parts, and the main function of the road maintenance vehicle is high-pressure water cleaning. However, the conventional road sanitation vehicle in the prior art generally has the following disadvantages: (1) the sewage generated by cleaning the ground can not be recycled and transported to the sewage discharge point appointed by the environmental protection department. (2) The light garbage such as leaves, paper ball, plastic bottle and the like can not be cleaned, and the operation function is limited to high-pressure water cleaning.

Disclosure of Invention

The invention mainly aims to provide a cleaning vehicle, and aims to solve the technical problems that the cleaning vehicle in the prior art cannot recover sewage generated by cleaning the ground and cannot suck and pick up garbage.

In order to achieve the above object, the present invention provides a washing vehicle comprising a chassis and mounted thereon:

the cleaning device comprises a maintenance cleaning mechanism and a deep cleaning mechanism which are used for cleaning the road surface;

the garbage suction and pickup device is used for sucking and pickup garbage on the road surface;

the water supply mechanism is used for supplying high-pressure water to the cleaning device;

the sewage suction power mechanism is used for sucking sewage generated by the deep cleaning mechanism or garbage sucked and picked at the garbage suction and pickup device; and

the transmission control system is used for controlling the working states of the water supply mechanism and the sewage suction power mechanism so as to switch the working mode of the cleaning vehicle to a sewage recovery mode, a garbage suction mode and a road maintenance mode;

wherein, under the sewage recovery mode, the water supply mechanism and the sewage suction power mechanism work and are in power communication with the deep cleaning mechanism; in the garbage suction mode, the sewage suction power mechanism works and is in power communication with the garbage suction device; and under the pavement maintenance mode, the water supply mechanism works and is in power communication with the maintenance cleaning mechanism.

In an embodiment of the invention, the washing vehicle further comprises a tank provided on the chassis, the tank comprising:

the clear water tank is used for containing clear water;

the sewage tank is used for recovering sewage, a sewage inlet is formed in the side wall of the bottom of the sewage tank, and the sewage inlet is communicated with the deep cleaning mechanism through a sewage suction pipe; and

the garbage can and the sewage box are arranged side by side in the width direction and used for containing garbage sucked and picked up, a garbage introducing port is formed in the side wall of the garbage can, and the garbage introducing port is communicated with the garbage sucking and picking device through a guide pipe.

In an embodiment of the present invention, a trash can is disposed below the trash can, and a trash outlet is opened at a bottom of the trash can, so that the trash introduced from the trash inlet of the trash can is discharged to the trash can through the trash outlet.

In the embodiment of the invention, the joint of the sewage tank and the garbage tank is provided with the air outlet, the sewage suction power mechanism comprises the suction driving member arranged at the air outlet, and the suction driving member is used for sucking the sewage tank or the garbage tank so as to enable the sewage tank or the garbage tank to form suction airflow.

In an embodiment of the invention, the box body further comprises a tool box, the garbage suction and pickup device comprises a handheld suction pipe, one end of the handheld suction pipe is used for sucking and picking up garbage, the other end of the handheld suction pipe is communicated with the flow guide pipe, and the handheld suction pipe can be stored in the tool box.

In the embodiment of the invention, the deep cleaning mechanism comprises a cleaning trolley body and a first spray rod arranged in the cleaning trolley body, wherein high-pressure nozzles are respectively arranged at two ends of the first spray rod, the first spray rod is connected with the water supply mechanism through a high-pressure water path, a sewage pipe is connected to the cleaning trolley body, one end of the sewage pipe faces the ground and sucks dirt, and the other end of the sewage pipe is communicated with the sewage sucking pipe.

In the embodiment of the invention, self-cleaning spray rods are arranged in the sewage tank along the width direction and the length direction, a dust-settling spray rod is arranged in the garbage tank close to the top along the width direction, and the sewage tank and the garbage tank are isolated by a ventilating partition plate.

In the embodiment of the invention, the water supply mechanism comprises a first water pump and a second water pump, the water inlet ends of the first water pump and the second water pump are both connected with the clear water tank, and the water outlet end of the first water pump is provided with an unloading valve and is connected with the cleaning device or the self-cleaning spray rod through a high-pressure pipeline; the water outlet end of the second water pump is connected with the dust fall spray rod after being pressurized.

In an embodiment of the invention, the maintenance cleaning mechanism comprises a water spraying frame, a fixed-point cleaning device, a position driving assembly for driving the water spraying frame to move and a rotary driving assembly for driving the fixed-point cleaning device to rotate, wherein spray heads for spraying water are arranged on the water spraying frame and the fixed-point cleaning device.

In an embodiment of the invention, a transmission control system comprises:

the belt pulley assembly comprises a first belt pulley and a second belt pulley which respectively drive the first water pump and the suction driving part to rotate;

the tail end of an output shaft of the power take-off assembly is provided with an electromagnetic clutch, and the electromagnetic clutch is used for controlling the work of the first belt pulley and the second belt pulley; and

and the control switch is electrically connected with the electromagnetic clutch and used for controlling the electromagnetic clutch to be electrified or deenergized.

Through the technical scheme, the cleaning vehicle provided by the embodiment of the invention has the following beneficial effects:

compared with the cleaning vehicle in the prior art which only has a single maintenance cleaning mode, the deep cleaning mechanism and the garbage suction picking device are additionally arranged on the chassis, and the working state of the water supply mechanism and the sewage suction power mechanism is controlled, so that the cleaning vehicle can be switched to the sewage recovery mode, the garbage suction picking mode and the pavement maintenance mode. Therefore, the novel road surface cleaning vehicle of this application except possessing conventional road surface maintenance car cleaning function, both can carry out the higher degree of depth washing of pressure and retrieve sewage and prevent it and cause secondary pollution to the ground that the spot is more, the greasy dirt is heavier such as walking street, snack street through degree of depth wiper mechanism, also can inhale through rubbish and pick up the device and inhale and pick up rubbish such as leaf, paper ball, plastic bottle, the rubbish of being convenient for is collected and is handled.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide an understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic front view of a vehicle with an exterior housing removed according to an embodiment of the invention;

FIG. 2 is a schematic top view of a vehicle with an exterior housing removed according to an embodiment of the invention;

FIG. 3 is a schematic front view of a vehicle being washed according to an embodiment of the invention;

FIG. 4 is a schematic diagram of a tank cleaning system for a vehicle according to an embodiment of the present invention;

FIG. 5 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a schematic cross-sectional view taken along line B-B of FIG. 4;

fig. 7 is a schematic sectional view taken along line C-C in fig. 4.

Description of the reference numerals

Detailed Description

The following detailed description of specific embodiments of the invention refers to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative and explanatory of the invention and are not restrictive thereof.

The following describes a washing vehicle according to the present invention with reference to the accompanying drawings.

As shown in fig. 1, in an embodiment of the present invention, there is provided a washing vehicle including a chassis 10 and, mounted on the chassis 10:

the cleaning device comprises a maintenance cleaning mechanism 30 and a deep cleaning mechanism 20, wherein the maintenance cleaning mechanism 30 is used for cleaning the road surface, the maintenance cleaning mechanism 30 is arranged in front of a cab of the chassis 10 to perform basic maintenance cleaning on the road surface, and the deep cleaning mechanism 20 is arranged on one side of the chassis 10 to perform deep cleaning on the place with heavy oil stains on the road surface;

the garbage suction and pickup device is used for sucking and picking up the garbage on the road surface;

the water supply mechanism is used for supplying high-pressure water to the cleaning device;

the sewage suction power mechanism is in power connection with the deep cleaning mechanism 20 and the garbage suction and pickup device and can suck sewage generated by the deep cleaning mechanism 20 or garbage sucked and picked at the garbage suction and pickup device; and

the transmission control system 100 is electrically connected with the water supply mechanism and the sewage suction power mechanism and can control the working states of the water supply mechanism and the sewage suction power mechanism so as to switch the working mode of the cleaning vehicle to a sewage recovery mode, a garbage suction mode and a road maintenance mode;

in the sewage recovery mode, the water supply mechanism and the sewage suction power mechanism work simultaneously and are in power communication with the deep cleaning mechanism 20, at the moment, the water supply mechanism provides high-pressure water for the deep cleaning mechanism 20 so as to perform deep cleaning on a road surface with heavy oil stains, and meanwhile, the sewage suction power mechanism can also provide sewage suction power for the deep cleaning mechanism 20 so as to recover sewage generated in the cleaning process, so that secondary pollution of the sewage is avoided;

in the garbage suction and collection mode, the sewage suction power mechanism works independently and is in power communication with the garbage suction and collection device, at the moment, the sewage suction power mechanism provides suction and collection power for the garbage suction and collection device, and the garbage suction and collection device starts to suck and collect the garbage on the bottom surface, so that the garbage collection and treatment are facilitated;

under the road surface maintenance mode, water supply mechanism works alone and with maintenance wiper mechanism 30 power intercommunication, and at this moment, dirt suction power unit does not provide the dirt suction power to maintenance wiper mechanism 30, and water supply mechanism provides washing water for maintenance wiper mechanism 30 to make maintenance wiper mechanism 30 work, realize wasing the basic maintenance on ground.

The cleaning vehicle is in the actual work process, and sewage recovery mode, rubbish inhale and pick up the mode and road surface maintenance mode can one go on, perhaps sewage recovery mode and rubbish inhale and pick up the mode and go on simultaneously.

To sum up, the novel road surface cleaning vehicle of this application both can carry out the higher degree of depth washing (≧ 20 MPa) of pressure and retrieve sewage and prevent it from causing secondary pollution to the spot such as pedestrian street, snack street more, the greasy dirt is heavier ground through degree of depth wiper mechanism 20 except that possessing conventional road surface maintenance car cleaning function, also can inhale through rubbish and pick up the device and inhale and pick up rubbish such as leaf, paper ball, plastic bottle, the garbage collection and handle of being convenient for.

Further, as shown in fig. 4 to 7, the washing vehicle further includes a case 40 provided on the chassis 10, and the front-rear direction of the case 40 is defined as the front-rear direction of the washing vehicle when the case 40 is mounted to the washing vehicle. The box body 40 is provided with a front sealing plate, a front partition plate, a front end plate, a rear end plate and a rear sealing plate, so that the box body 40 is divided into a sewage tank 41, a garbage tank 43, a clean water tank 42 and a tool box 46; compared with the prior art, the box body 40 structure more efficiently utilizes the space of the box body 40, and increases the function of collecting sewage and garbage, wherein the clean water tank 42 is used for containing clean water for cleaning by the cleaning device, and the wave-preventing plates 422 in the front-back direction and the left-right direction are arranged in the clean water tank 42, so that the fluctuation generated when the water level in the clean water tank 42 is higher and the overflow pipe 423 for overflow ventilation is reduced; the sewage tank 41 is used for recovering sewage, a sewage inlet is formed in the side wall of the bottom of the sewage tank, and the sewage inlet is communicated with the deep cleaning mechanism 20 through a sewage suction pipe 412; the garbage can 43 and the sewage can 41 are arranged side by side along the width direction and used for containing garbage sucked and picked up, the side wall of the garbage can 43 is provided with a garbage introducing port 431, the garbage introducing port 431 is communicated with the garbage sucking and picking device through a guide pipe 421, as some garbage on the ground, such as tree branches, paper rolls, plastic bottles and the like, have large volumes and are easy to fly up in all directions during sucking and picking up, and in order to prevent blockage during sucking and picking up the garbage, the garbage introducing port 431 is provided with a guide cover 435, so that the garbage can be guided to enter the garbage introducing port 431 along the guide cover 435 under the action of sucking and picking up airflow of negative pressure in the garbage can 43, and the garbage sucking and picking up can be carried out more orderly.

In order to collect the garbage, a garbage can 44 is provided below the garbage can 43, and a garbage outlet is opened at the bottom of the garbage can 43 so that the garbage introduced from the garbage inlet 431 of the garbage can 43 is discharged to the garbage can 44 through the garbage outlet.

As shown in fig. 5, in the process of recovering sewage by deep cleaning, sewage is sucked into the sewage inlet of the sewage tank 41 through the sewage suction pipe 412 in the direction of the arrow in fig. 5 and enters the sewage tank 41 through the sewage inlet, so that the sewage is recovered, that is, sewage generated during the deep cleaning operation of the deep cleaning mechanism 20 can be efficiently recovered to the sewage tank 41 and transported away to a place designated by the environmental protection department for discharge, and the environmental protection performance of the product is improved; in the garbage suction and collection mode, the garbage enters the garbage can 43 from the garbage inlet 431 in the arrow direction in fig. 6 and falls into the garbage can 44 below from the garbage outlet of the garbage can 43, so that the garbage is sucked, collected and collected, and thus the garbage sucked and collected by the garbage suction and collection device finally enters the garbage can 44 to achieve the purpose of centralized treatment of the garbage.

Wherein, an air outlet 45 is opened at the connection position of the sewage tank 41 and the garbage tank 43, and the suction driving member 90 is used for sucking the sewage tank 41 or the garbage tank 43 so as to make the sewage tank 41 or the garbage tank 43 form a suction airflow. That is to say, the power source for recycling sewage and sucking garbage is the suction driving element 90 installed at the air outlet 45, and when the suction driving element 90 sucks the garbage can 43 and the sewage can 41, negative pressure can be generated inside the sewage can 41 and the garbage can 43, so as to suck garbage or sewage back.

Preferably, the suction drive 90 is a fan. After the blower works, the air in the sewage tank 41, the sewage suction pipe 412, the garbage can 43, the garbage can 44 and the flow guide pipe 421 is sucked and directly discharged from the air outlet 45 of the volute of the blower, so that negative pressure is formed in the sewage tank 41, the sewage suction pipe 412, the garbage can 43, the garbage can 44 and the flow guide pipe 421, and sewage in the deep cleaning mechanism 20 or garbage at the position of the handheld suction pipe 50 is sucked.

In addition, a sewage discharge port 413 is formed in the bottom of the sewage tank 41, and when the sewage in the sewage tank 41 is filled, the cleaning vehicle is driven to a designated sewage discharge point, and the sewage in the sewage tank 41 is discharged through the sewage discharge port 413, so that the environment is protected better.

Further, in order to facilitate the user to unload the garbage can 44 filled with the garbage, a lifting mechanism 441 is disposed on a side wall of the garbage can 44, and the lifting mechanism 441 drives the garbage can 44 to ascend and descend so as to facilitate the user to descend the garbage can 44 to the ground, thereby facilitating the user to dispose the garbage. Specifically, the lifting mechanism 441 may adopt a conventional lifting structure in the prior art, for example, a structural form that can implement linear driving, such as an electric push rod or a telescopic cylinder, may be adopted, and is not described herein again.

The sewage tank 41 and the garbage tank 43 are isolated from each other by a ventilation partition 434, and a filter screen 433 is provided between the sewage tank 41 and the garbage tank 43 to prevent large-volume garbage such as leaves and plastic water bottles from entering the sewage tank 41 in order to ensure air flow between the two.

In the embodiment of the present invention, the box 40 further includes a tool box 46, the garbage suction and pickup device includes a handheld suction pipe 50, one end of the handheld suction pipe 50 is used for sucking and picking up garbage, the other end of the handheld suction pipe is communicated with the flow guide pipe 421, and the handheld suction pipe 50 can be stored in the tool box 46. When the operator holds the suction pipe 50 for operation, the operator takes the hand-held suction pipe 50 out of the tool box 46 and connects the quick connector on the flow guide pipe 421 through the quick connector, so that the hand-held suction pipe 50 is communicated with the flow guide pipe 421; when the suction is picked up, an operator controls the suction port end of the handheld suction pipe 50 to suck and pick up the garbage on the ground, and the other end of the handheld suction pipe 50 is communicated with the guide pipe 421, so that the garbage can enter the garbage can 43 through the suction port end of the handheld suction pipe 50 and the guide pipe 421 in sequence, and the garbage suction and pick up is completed. When the operation of the handheld suction pipe 50 is completed, the connection between the handheld suction pipe 50 and the flow guide pipe 421 is removed, and then the handheld suction pipe 50 is put back into the tool box 46, so that the handheld suction pipe 50 can be taken at any time, and the garbage on the ground can be cleaned at any time. A high-pressure cleaning reel 47 and a handheld spray gun 60 are further arranged in the tool box 46, the handheld spray gun 60 can clean the periphery of the whole cleaning vehicle, and the high-pressure cleaning reel 47 and the tool box 46 are fixed through bolts; the hand-held gun 60 is placed directly into the tool box 46 when not in operation and is connected to the high pressure cleaning reel 47 through a quick-connect when in operation.

Since the sewage tank 41 is used to recover sewage, and the oil stain of the sewage deeply cleaned on the ground is very serious, after the sewage is recovered for a period of time, the inside of the sewage tank 41 is stained, and therefore, an operator is required to clean the sewage tank 41 regularly. The sewage tank 41 is internally provided with the self-cleaning spray rods 411 along the width direction and the length direction, when the sewage tank 41 is cleaned, the water supply mechanism supplies high-pressure water to the self-cleaning spray rods 411, the high-pressure water is sprayed to the inner side wall of the sewage tank 41 from the self-cleaning spray rods 411, and under the action of powerful spraying of the high-pressure water, the aim of cleaning the sewage tank 41 is fulfilled. Wherein, self-cleaning spray lance 411 all arranges along width direction and length direction to make the washing cover whole sewage case 41, prevent to have the dead angle to omit.

Further, because dustbin 43 is used for collecting the rubbish of sucking and picking up on the ground, can produce a large amount of raise dusts in inside after these rubbish enters dustbin 43, in order to reduce the raise dusts, install dust fall spray bar 432 near the top along the width direction in dustbin 43, dust fall spray bar 432 is connected with water supply mechanism, and water supply mechanism provides the high pressure water for dust fall spray bar 432, and dust fall spray bar 432 energetically sprays washing water to dustbin 43 in to reach the effect of dust fall.

In the embodiment of the present invention, the deep cleaning mechanism 20 includes a cleaning cart body 21 and a first spray rod 22 rotatably disposed in the cleaning cart body 21, both ends of the first spray rod 22 are respectively provided with a high-pressure nozzle, the first spray rod 22 is connected to the water supply mechanism through a high-pressure water path, the cleaning cart body 21 is connected to a sewage pipe 23, one end of the sewage pipe 23 faces the ground to suck the sewage, and the other end of the sewage pipe 23 is communicated with the sewage suction pipe 412. The cleaning cart body 21 is of a disc-shaped structure, the first spray rod 22 is radially installed in the disc-shaped cleaning cart body 21, and when the cleaning cart body 21 works, the cleaning cart body 21 is connected with the sewage suction pipe 412 through a clamping joint, so that the sewage suction pipe 412 and the cleaning cart body 21 are fixed. The high pressure nozzles on first spray bar 22 spray high pressure cleaning water, which allows the water sprayed onto the ground to be round and better cover the cleaning area, because first spray bar 22 can rotate about its centerline.

It should be noted that the water supply mechanism includes a first water pump 70 and a second water pump 80, the water inlet ends of the first water pump 70 and the second water pump 80 are both connected with the clean water tank 42, and the water outlet end of the first water pump 70 is connected with the cleaning device or the self-cleaning spray rod 411 through a high-pressure pipeline; the water outlet end of the second water pump 80 is pressurized and then connected to a dustfall spray bar 432.

Wherein, the first water pump 70 is preferably a high pressure water pump to deliver high pressure water to the components requiring high pressure water, such as the cleaning device or the self-cleaning spray rod 411, and when the high pressure water pump is connected with the clean water tank, the high pressure water pump is controlled to be switched on and off by a ball valve in the middle and impurities are filtered by a water filter; the high-pressure water pump is required to be connected with a plurality of parts at the same time, so that the high-pressure water pump is required to be connected in a structural form of a plurality of branch pipes, specifically, the water inlet end of the high-pressure water pump is connected with the clean water tank through a water inlet pipe, the water outlet end of the high-pressure water pump is connected with the clean water tank through a water outlet pipe, one end of the water outlet pipe, which is far away from the high-pressure water pump, is communicated with a plurality of branch pipes, and the branch pipes are independently connected with a plurality of water-requiring parts; the second water pump 80 is an electric diaphragm pump, and is driven by a vehicle-mounted battery power supply to suck water from the clean water tank 42 and pressurize and feed the water to the dustfall spray bar 432.

In the embodiment of the present invention, the maintenance cleaning mechanism 30 includes a water spraying frame 31, a fixed-point cleaning device 32, a position driving component for driving the water spraying frame 31 to move, and a rotation driving component for driving the fixed-point cleaning device 32 to rotate, and spray heads for spraying water are disposed on both the water spraying frame 31 and the fixed-point cleaning device 32. Specifically, the spray frame 31 includes a main spray bar and an angle spray, the main spray bar is provided with a fan-shaped high-pressure washing spray head, and the sprayed water curtain forms a continuous straight line on the ground. The angle jet is provided with a liquid column flow high-pressure washing spray head, and the sprayed water flow is columnar. Wherein, the position driving assembly can be two electric push rods which can stretch in the up-down direction and the left-right direction, so as to push the water spraying frame 31 to realize the movement in the left-right direction and the up-down direction. Wherein, fixed point belt cleaning device 32 is equipped with at least one liquid column flow high pressure washing shower nozzle, and the rotation driving assembly can drive fixed point belt cleaning device 32 and carry out rotary drive. In order to make the range of the water sprayed by the fixed-point cleaning device 32 wider, the rotary driving assembly can drive the fixed-point cleaning device 32 to rotate, so as to expand the cleaning range, wherein the rotary driving assembly includes the rotatable chassis 10 and a driving member for driving the chassis 10 to rotate, the fixed-point cleaning device 32 is mounted on the chassis 10, and when the driving member drives the chassis 10 to rotate, so as to drive the fixed-point cleaning device 32 to rotate, it should be noted that the driving member is a conventional rotary driving member in the prior art, for example, an output shaft of a motor is directly connected with the chassis 10 to drive the chassis 10 to rotate, and certainly not limited to the driving form mentioned in this application.

As shown in fig. 2 and 3, in order to realize three operation modes of the washing vehicle, a transmission control system 100 capable of driving corresponding mechanisms to operate is further required, and the transmission control system 100 includes:

a pulley assembly comprising a first pulley 101 and a second pulley 102 for rotating the first water pump 70 and the suction driving member 90, respectively;

the tail end of an output shaft of the power take-off assembly is provided with an electromagnetic clutch 103, and the electromagnetic clutch 103 is used for controlling the work of the first belt pulley 101 and the second belt pulley 102; and

and the control switch is electrically connected with the electromagnetic clutch 103 and used for controlling the electromagnetic clutch 103 to be electrified or deenergized.

And, an unloading valve is provided at an outlet of the first water pump 70.

When the washing vehicle works, firstly, the input shaft of the power take-off assembly is used for taking power from the flywheel end of the auxiliary engine 104, the tail end of the output shaft of the power take-off assembly is provided with an electromagnetic clutch 103, the electromagnetic clutch 103 is provided with two independent first belt pulleys 101 and a second belt pulley 102, and the two belt pulleys can rotate independently and simultaneously. The first belt pulley 101 is used for driving the high-pressure water pump to rotate, and the second belt pulley 102 is used for driving the fan to rotate through a transmission shaft in a fan bearing seat. When the control switch controls the electromagnetic clutch 103 to be powered, the first pulley 101 can be driven to rotate independently. When the electromagnetic clutch 103 is energized, the first pulley 101 and the second pulley 102 are driven to rotate simultaneously, and the rotation speed and the rotation direction are the same. A belt tensioner 105 is further included in cooperation with the second pulley 102, and a tensioner adjusting device is further provided near the second pulley 102 for adjusting the tightness of the belt, wherein the tensioner adjusting device may be a device for adjusting the tension of the belt, which is common in the prior art.

For the above preferred embodiments, in order to facilitate a more detailed understanding of the technical solutions of the present application, two newly added operation modes are further described as follows:

1) Sewage recovery system working corresponding to product operation 'sewage recovery mode'

When a user needs to use the cleaning cart body 21 to perform deep cleaning and needs to recover sewage, the control switch controls the electromagnetic clutch 103 to be electrified, and the high-pressure water pump and the fan work simultaneously. The high-pressure water pump outputs high-pressure water, the high-pressure water flows to the first spray rod 22 in the cleaning cart body 21 through a high-pressure pipeline, and 1 high-pressure nozzle is respectively arranged at two ends of the first spray rod 22. The first spray bar 22 is rotated at high speed around the center by the thrust force of the high-pressure water jet. The user pushes the wash cart body 21 slowly to form a continuous wash zone. After the fan works, a suction airflow is formed, and sewage generated by the cleaning cart body 21 is sucked into the sewage tank 41 through the sewage tank 41, the sewage suction pipe 412 and the sewage pipe 23 carried by the cleaning cart body 21, so that deep cleaning and sewage recovery are realized.

2) Garbage suction and pickup mode corresponding to product operation of garbage suction and pickup system

When a user needs to use the garbage suction and pickup device to suck and pickup garbage on the ground, the control switch controls the electromagnetic clutch 103 to be electrified, the high-pressure water pump and the fan are driven simultaneously, only in the mode, any path of high-pressure water is not opened, the automatic unloading valve arranged at the outlet of the high-pressure water pump is automatically opened, the high-pressure water flows back to the box body 40, and therefore the high-pressure water pump does not supply water to the outside. After the fan works, suction airflow is formed, and light garbage such as leaves, plastic bottles, paper clusters and the like is sucked into the garbage can 43 through the sewage box 41, the filter screen 433, the garbage can 43, the flow guide pipe 421 and the handheld suction pipe 50 and is collected in the garbage can 44 through gravity settling, so that the function of sucking and picking up the garbage is realized.

In the description of the present invention, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are in fact significant. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A washing vehicle, characterized by comprising a chassis (10) and mounted on said chassis (10):

the cleaning device comprises a maintenance cleaning mechanism (30) and a deep cleaning mechanism (20) which are used for cleaning the road surface;

the garbage suction and pickup device is used for sucking and picking up the garbage on the road surface;

the water supply mechanism is used for supplying high-pressure water to the cleaning device;

the sewage suction power mechanism is used for sucking sewage generated by the deep cleaning mechanism (20) or garbage sucked and picked at the garbage suction and pickup device; and

the transmission control system (100) is used for controlling the working states of the water supply mechanism and the sewage suction power mechanism so as to switch the working mode of the cleaning vehicle to a sewage recovery mode, a garbage suction mode and a road maintenance mode;

wherein, under the sewage recovery mode, the water supply mechanism and the sewage suction power mechanism work and are in power communication with the deep cleaning mechanism (20); in the garbage suction and collection mode, the sewage suction power mechanism works and is in power communication with the garbage suction and collection device; and in the pavement maintenance mode, the water supply mechanism works and is in power communication with the maintenance cleaning mechanism (30).

2. The washing vehicle according to claim 1, characterized in that the washing vehicle further comprises a tank (40) provided on the chassis (10), the tank (40) comprising:

a clear water tank (42) for holding clear water;

the sewage tank (41) is used for recovering sewage, a sewage inlet is formed in the side wall of the bottom of the sewage tank, and the sewage inlet is communicated with the deep cleaning mechanism (20) through a sewage suction pipe (412); and

the garbage can (43) and the sewage tank (41) are arranged side by side along the width direction and used for containing the garbage sucked and picked up, a garbage introducing port (431) is formed in the side wall of the garbage can (43), and the garbage introducing port (431) is communicated with the garbage sucking and picking up device through a flow guide pipe (421).

3. The washing vehicle according to claim 2, wherein a trash can (44) is provided under the trash can (43), and a trash outlet is opened at a bottom of the trash can (43) so that the trash introduced from the trash inlet (431) of the trash can (43) is discharged to the trash can (44) through the trash outlet.

4. The cleaning vehicle of claim 2, characterized in that an air outlet (45) is opened at a joint of the waste water tank (41) and the garbage tank (43), the dirt suction power mechanism comprises a suction driving member (90) arranged at the air outlet (45), and the suction driving member (90) is used for sucking the waste water tank (41) or the garbage tank (43) to enable the waste water tank (41) or the garbage tank (43) to form a suction airflow.

5. The washing vehicle according to claim 2, characterized in that the box (40) further comprises a tool box (46), the garbage suction and pickup device comprises a handheld suction pipe (50), one end of the handheld suction pipe (50) is used for sucking and picking up garbage, the other end of the handheld suction pipe is communicated with the flow guide pipe (421), and the handheld suction pipe (50) can be stored in the tool box (46).

6. The washing vehicle of claim 2, characterized in that the deep washing mechanism (20) comprises a washing cart body (21) and a first spray rod (22) arranged in the washing cart body (21), wherein high-pressure nozzles are installed at two ends of the first spray rod (22), the first spray rod (22) is connected with the water supply mechanism through a high-pressure water path, a sewage pipe (23) is connected to the washing cart body (21), one end of the sewage pipe (23) is used for sucking dirt towards the ground, and the other end of the sewage pipe is communicated with the sewage suction pipe (412).

7. The washing vehicle according to claim 4, characterized in that a self-cleaning spray rod (411) is installed in the sewage tank (41) in both width and length directions, a dustfall spray rod (432) is installed in the garbage tank (43) near the top in the width direction, and the sewage tank (41) and the garbage tank (43) are isolated by an air-permeable partition (434).

8. The wash vehicle according to claim 7, characterized in that the water supply means comprises a first water pump (70) and a second water pump (80), the water inlet ends of the first water pump (70) and the second water pump (80) are both connected with the clean water tank (42), the water outlet end of the first water pump (70) is provided with an unloading valve and is connected with the washing device or the self-cleaning spray bar (411) through a high-pressure pipeline; the water outlet end of the second water pump (80) is pressurized and then connected with the dust fall spray rod (432).

9. The washing vehicle according to any one of claims 1 to 8, characterized in that the maintenance washing mechanism (30) comprises a water spraying frame (31), a fixed-point washing device (32), a position driving assembly for driving the water spraying frame (31) to move, and a rotary driving assembly for driving the fixed-point washing device (32) to rotate, and spray heads for spraying water are arranged on the water spraying frame (31) and the fixed-point washing device (32).

10. The washing vehicle according to claim 8, characterized in that the transmission control system (100) comprises:

a pulley assembly comprising a first pulley (101) and a second pulley (102) for rotating the first water pump (70) and the suction drive member (90), respectively;

the tail end of an output shaft of the power take-off assembly is provided with an electromagnetic clutch (103), and the electromagnetic clutch (103) is used for controlling the work of the first belt pulley (101) and the second belt pulley (102); and

and the control switch is electrically connected with the electromagnetic clutch (103) and used for controlling the electromagnetic clutch (103) to be electrified or deenergized.

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