CN220225090U - Waterway system and road surface cleaning vehicle - Google Patents

Abstract

The utility model discloses a waterway system and a road cleaning vehicle, wherein the waterway system comprises a water tank, a water pump, a first pipeline, a second pipeline, a third pipeline and a double-water valve bank, the third pipeline is provided with a first unloading valve, the first unloading valve is used for enabling the water pressure in the third pipeline to reach a first preset water pressure threshold value, the water tank is connected with the water pump through the first pipeline, the water pump is respectively connected with the second pipeline and the third pipeline through the double-water valve bank, the second pipeline is connected with high-pressure flushing equipment, the first unloading valve in the third pipeline is respectively connected with the double-water valve bank and low-pressure flushing equipment, and the water pump is used for conveying a water source in the water tank to the high-pressure flushing equipment or the low-pressure flushing equipment so as to flush the road. From this, can carry out high pressure washing or low pressure washing to the road surface to be suitable for multiple washing scene, and then promote the washing experience of operating personnel, and promote abluent effect.

Description

Waterway system and road surface cleaning vehicle

Technical Field

The utility model relates to the technical field of sanitation vehicles, in particular to a waterway system and a road cleaning vehicle.

Background

The pavement washing vehicle in the related art only has the function of high-pressure washing, when the sludge on a construction site is washed, the high-pressure washing sludge is easy to splash and dirty clothes of operators, so that the washing effect is poor, when the pavement washing of the pavement of the brick pavement is carried out, the bricks of the pavement of the brick pavement are adhered by mud ash or mortar, and the high-pressure water washing has the characteristics of small flow and high pressure, so that the mud ash or mortar is broken and stripped easily when the high-pressure washing is carried out, and the pavement of the brick pavement is damaged.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, a first objective of the present utility model is to provide a waterway system capable of performing high-pressure flushing or low-pressure flushing on a pavement, so as to adapt to various cleaning situations, thereby improving the cleaning experience of operators and improving the cleaning effect.

A second object of the utility model is to propose a road cleaning vehicle.

In order to achieve the above object, a first aspect of the present utility model provides a waterway system, wherein the waterway system includes a water tank, a water pump, a first pipeline, a second pipeline, a third pipeline, and a dual valve block, the third pipeline is provided with a first unloading valve, the first unloading valve is used for enabling the water pressure in the third pipeline to reach a first preset water pressure threshold, the water tank is connected with the water pump through the first pipeline, the water pump is respectively connected with the second pipeline and the third pipeline through the dual valve block, the second pipeline is connected with a high-pressure flushing device, the first unloading valve in the third pipeline is respectively connected with the dual valve block and a low-pressure flushing device, and the water pump is used for conveying the water source in the water tank to the high-pressure flushing device or the low-pressure flushing device so as to flush the road surface.

According to the waterway system provided by the example of the utility model, the pavement can be subjected to high-pressure flushing or low-pressure flushing so as to be suitable for various cleaning scenes, so that the cleaning experience of operators is improved, and the cleaning effect is improved.

In addition, the waterway system according to the present utility model may further have the following additional technical features:

in some examples, the duplex water valve set includes: the first pipeline and the second pipeline are disconnected when the first water valve is turned on and the second water valve is turned off, and the first pipeline and the third pipeline are communicated.

In some examples, the first conduit includes: the second unloading valve is used for enabling the water pressure in the first pipeline to reach a second preset water pressure threshold value.

In some examples, the first conduit further comprises: the water filter is arranged between the water tank and the water pump and is used for filtering a water source conveyed by the water pump; the third water valve is arranged between the water filter and the water tank, and when the third water valve is conducted, the water tank is communicated with the first pipeline; and the pressure monitoring device is used for monitoring the water pressure in the first pipeline.

In some examples, the first conduit further comprises: the quick-change connector is connected with a high-pressure reel, and the high-pressure reel is connected with the handheld spray gun and/or the cleaning trolley.

In some examples, the first unloading valve and the second unloading valve are both connected to the water tank, or alternatively, the first unloading valve is connected to a first separate water tank and the second unloading valve is connected to a second separate water tank.

In some examples, the high-pressure flushing device comprises a water spray frame, a fixed point cleaning device and an angle spray, the second pipeline is provided with a triple water valve group, the triple water valve group comprises a fourth water valve, a fifth water valve and a sixth water valve, the second pipeline is connected with the water spray frame through the fourth water valve and the fixed point cleaning device, and is connected with the angle spray through the sixth water valve, wherein when the fourth water valve is conducted, the second pipeline is communicated with the water spray frame, when the fifth water valve is conducted, the second pipeline is communicated with the fixed point cleaning device, and when the sixth water valve is conducted, the second pipeline is communicated with the angle spray.

In some examples, the low pressure flushing device includes a nozzle, and the third line includes: and a seventh water valve, wherein when the seventh water valve is conducted, the third pipeline is communicated with the spray pipe.

In some examples, the first, second, fourth, fifth, and sixth water valves are all pneumatic valves, and the third and seventh water valves are all manual valves.

In order to achieve the above object, a second aspect of the present utility model proposes a road cleaning vehicle comprising the aforementioned waterway system of the example of the present utility model.

According to the road surface cleaning vehicle provided by the example of the utility model, the road surface can be subjected to high-pressure flushing or low-pressure flushing by adopting the waterway system of the example, so that various cleaning scenes are suitable, the cleaning experience of operators is further improved, and the cleaning effect is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a schematic diagram of a waterway system according to an embodiment of the present utility model;

FIG. 2 is a block schematic diagram of a road cleaning vehicle according to an embodiment of the utility model;

FIG. 3 is a left side view of a road cleaning vehicle according to an embodiment of the utility model;

FIG. 4 is a top view of a road cleaning vehicle according to an embodiment of the utility model;

fig. 5 is a right side view of a road cleaning vehicle according to an embodiment of the present utility model.

Reference numerals:

the water pump comprises a first water valve 1, a second water valve 2, a third water valve 3, a fourth water valve 4, a fifth water valve 5, a sixth water valve 6, a seventh water valve 7, a water tank 10, a water pump 11, a first pipeline 12, a second pipeline 13, a third pipeline 14, a double water valve group 15, a first unloading valve 16, a high-pressure flushing device 17, a low-pressure flushing device 18, a water filter 19, a second unloading valve 20, a pressure monitoring device 21, a triple water valve group 22, a water spray frame 23, a fixed point cleaning device 24, an angle spray 25, a spray pipe 26, a chassis 27, a tool cabin 28, a hand-held spray gun 29, a return pipe 30, a power cabin 31, a high-pressure reel 32, a water mark pipe 33, a cleaning trolley 34, a transmission shaft 35, a motor 36, a water outlet pipe 38, a water inlet pipe 39, a waterway system 100 and a road cleaning trolley 1000.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The waterway system and the road cleaning vehicle according to the embodiments of the present utility model are described below with reference to the accompanying drawings.

Fig. 1 is a block schematic diagram of a waterway system according to an embodiment of the present utility model.

Specifically, in some embodiments of the present utility model, as shown in fig. 1, the waterway system 100 includes a water tank 10, a water pump 11, a first pipeline 12, a second pipeline 13, a third pipeline 14, and a dual valve block 15, the third pipeline 14 is provided with a first unloading valve 16, the first unloading valve 16 is used for enabling the water pressure in the third pipeline 13 to reach a first preset water pressure threshold value, wherein the water tank 10 is connected with the water pump 11 through the first pipeline 12, the water pump 11 is respectively connected with the second pipeline 13 and the third pipeline 14 through the dual valve block 15, the second pipeline 13 is respectively connected with the high-pressure flushing device 17, the first unloading valve 16 in the third pipeline 14 is respectively connected with the dual valve block 15 and the low-pressure flushing device 18, and the water pump 11 is used for conveying the water source in the water tank 10 to the high-pressure flushing device 17 or the low-pressure flushing device 18 to flush the road surface.

Further, in some embodiments of the present utility model, as shown in fig. 1, the double block 15 includes: a first water valve 1 and a second water valve 2, wherein when the first water valve 1 is on and the second water valve 2 is off, the first pipe 12 and the second pipe 13 are connected, the first pipe 12 and the third pipe 14 are disconnected, and when the second water valve 2 is on and the first water valve 1 is off, the first pipe 12 and the second pipe 13 are disconnected, and the first pipe 12 and the third pipe 14 are connected.

In particular, in this embodiment, water in the first conduit 12 may enter the second conduit 13 when the first water valve 1 is on and the second water valve 2 is off, and water in the first conduit 12 may enter the third conduit 14 when the second water valve 2 is on and the first water valve 1 is off, wherein the first water valve 1 and the second water valve 2 may preferably be pneumatic water valves.

As shown in fig. 1, the line from the water tank 10 to the node P is a first line 12, the line from the node P to the high-pressure flushing device 17 is a second line 13, and the line from the node P to the seventh water valve 7 is a third line 14.

Alternatively, in other embodiments of the present utility model, the first pipe 12, the second pipe 13 and the third pipe 14 may be connected by an electromagnetic directional valve instead of the double water valve set 15, wherein when the electromagnet is energized, the directional mechanism is driven by changing a magnetic field, so that the valve is switched to a different channel, thereby changing the flow direction of fluid, so that the water pump 11 may deliver the water source in the water tank 10 to the high pressure flushing device 17 or the low pressure flushing device 18 to flush the road surface, and furthermore, the first pipe 12, the second pipe 13 and the third pipe 14 may be connected by a three-way ball valve or a multi-way valve to implement waterway switching, so that the water pump 11 may deliver the water source in the water tank 10 to the high pressure flushing device 17 or the low pressure flushing device 18 to flush the road surface.

Further, in some embodiments of the present utility model, as shown in fig. 1, the first pipeline 12 includes: the second unloading valve 20, the second unloading valve 20 is used for making the water pressure in the first pipeline 12 reach the second preset water pressure threshold value.

Still further, in some embodiments of the present utility model, as shown in FIG. 1, the first conduit 12 comprises: a water filter 19 disposed between the water tank 10 and the water pump 11, the water filter 19 being for filtering a water source conveyed by the water pump 11; a third water valve 3 disposed between the water filter 19 and the water tank 10, wherein the water tank 10 communicates with the first pipe 12 when the third water valve 3 is turned on; the pressure monitoring device 21, the pressure monitoring device 21 is used for monitoring the water pressure in the first pipeline 12.

Specifically, in this embodiment, the motion controller may communicate with the water pump motor controller through the CAN bus, and the motion controller may send a command to the water pump motor controller through the CAN bus, for example, the motion controller may send a command such as start-stop, speed regulation, etc. to the water pump motor controller, the three phases (U, V, W) of the water pump motor are connected to the motor controller, the water pump motor controller parses the command received from the motion controller, and the water pump motor controller adjusts U, V, W the phase and frequency according to the result of parsing, thereby controlling the water pump.

When the third water valve 3 is turned on and the water pump 11 is turned on, water in the water tank 10 can enter the first pipeline 12, the water filter 19 can filter water entering the first pipeline 12 from the water tank 10, the first water valve 1 and the second water valve 2 are in a closed state, water pressure in the first pipeline 12 can continuously rise due to continuous water inlet in the first pipeline 12, and in order to avoid damage of the first pipeline 12, a second unloading valve 20 is required to be arranged at a water outlet of the water pump 11, so that when the water pressure in the first pipeline 12 reaches a second preset water pressure threshold value, the second unloading valve 20 is controlled to be opened to release the water in the first pipeline 12 for pressure relief, and a pressure monitoring device 21 between the water pump 11 and the second unloading valve 20 is used for monitoring the water pressure in the first pipeline 12.

The pressure monitoring device 21 may be preferably a pressure gauge, the water pump 11 may be preferably a high-pressure water pump, the third water valve 3 may be preferably a manual water valve, the second unloading valve 20 may be preferably an automatic unloading valve, and the second preset water pressure threshold may be preferably set to 14 mpa. In addition, the utility model does not need to specifically limit the value of the second preset water threshold, and the setting of the second preset water pressure threshold is related to the selection of the pipeline and the device.

Further, in some embodiments of the present utility model, as shown in fig. 1, the first pipeline further includes: the quick-change connector is connected with a high-pressure reel, and the high-pressure reel is connected with the handheld spray gun and/or the cleaning trolley.

In particular, in this embodiment, the water in the first pipeline can be externally connected to the handheld spray gun and/or the cleaning trolley through the quick-change connector by the high-pressure reel, so that the operator can more flexibly flush the road surface.

Further, in some embodiments of the present utility model, as shown in FIG. 1, both the first unloading valve 16 and the second unloading valve 20 are connected to the tank 10, or alternatively, the first unloading valve 16 is connected to a first separate tank and the second unloading valve 20 is connected to a second separate tank.

Specifically, in this embodiment, the first unloading valve 16 and the second unloading valve 20 are both connected to the water tank 10, i.e., the surplus water discharged through the first unloading valve 16 and the second unloading valve 20 flows back into the water tank 10, or the first unloading valve 16 is connected to the first separate water tank, i.e., the surplus water discharged through the first unloading valve 16 enters the first separate water tank, and the second unloading valve 20 is connected to the second separate water tank, i.e., the surplus water discharged through the second unloading valve 20 enters the second separate water tank.

Further, in some embodiments of the present utility model, the high pressure flushing device 17 comprises a water spray rack 23, a fixed point cleaning device 24 and an angle spray 25, the second pipeline 13 is provided with a triple valve set 22, the triple valve set 22 comprises a fourth water valve 4, a fifth water valve 5 and a sixth water valve 6, the second pipeline 13 is connected with the water spray rack 23 through the fourth water valve 4, is connected with the fixed point cleaning device 24 through the fifth water valve 5 and is connected with the angle spray 25 through the sixth water valve 6, wherein when the fourth water valve 4 is conducted, the second pipeline 13 is communicated with the water spray rack 23, when the fifth water valve 5 is conducted, the second pipeline 13 is communicated with the fixed point cleaning device 24, and when the sixth water valve 6 is conducted, the second pipeline 13 is communicated with the angle spray 25.

Specifically, in this embodiment, when the high-pressure flushing is performed, the first water valve 1 is turned on and the second water valve 2 is turned off, water in the first pipe 12 enters the second pipe 13, at this time, one of the first water valve 1, the second water valve 2 and the third water valve 3 may be controlled to be turned on, or a plurality of the same may be controlled to be turned on, the water spray stand 23 may be used to flush the road surface when the first water valve 1 is controlled to be turned on, the fixed-point cleaning device 24 may be used to flush the road surface when the second water valve 2 is controlled to be turned on, and the angle spray 25 may be used to flush the road surface when the third water valve 3 is controlled to be turned on.

The fourth water valve 4, the fifth water valve 5, and the sixth water valve 6 may preferably be pneumatic water valves.

Further, in some embodiments of the present utility model, as shown in FIG. 1, the low pressure flush apparatus 18 includes a spout 26 and the third conduit 14 includes: a seventh water valve 7, wherein the third line 14 communicates with the spout 26 when the seventh water valve 7 is on.

Specifically, in this embodiment, when the low pressure flush is performed, the second water valve 2 is turned on and the first water valve 1 is turned off, water in the first pipe 12 enters the third pipe 14, and when the first water valve 1 is controlled to be turned on, the spout 26 may be used to flush the road surface.

It should be noted that, when the first water valve 1 is closed and the water in the first pipeline 12 continuously enters the third pipeline 14, the water pressure in the third pipeline 14 continuously rises, so as to achieve the purpose of low-pressure flushing, the first unloading valve 16 may be disposed on the third pipeline 14 at this time, so that when the water pressure in the third pipeline 14 reaches the first preset water pressure threshold, the first unloading valve 16 is controlled to be opened, so as to release the water in the third pipeline 14 to release the pressure, thereby achieving the purpose of low-pressure flushing. The seventh water valve 7 may preferably be a manual valve, and the first preset water pressure threshold may preferably be 2 mpa, and in addition, the value of the first preset water pressure threshold may not be specifically limited in the present utility model.

Fig. 2 is a block schematic diagram of a road cleaning vehicle according to an embodiment of the utility model.

Specifically, as shown in fig. 2, the road cleaning vehicle 1000 includes the waterway system 100 of the embodiment of the present utility model described above.

Further, as shown in fig. 3, 4 and 5, the road cleaning vehicle 1000 includes a water spray rack 23, a chassis 27, a tool cabin 28, a hand-held spray gun 29, a water tank 10, a water return pipe 30, a power cabin 31, a high-pressure reel 32, a water mark pipe 33, a fixed-point cleaning device 24, an angle spray 25, a cleaning cart 34, a water pump 11, a transmission shaft 35, a motor 36, a spray pipe 26, a water filter 19, a water outlet pipe 38 and a water inlet pipe 39.

The water spraying frame 23 is arranged in front of the chassis 27 and is fixed on the chassis 27 by bolts, the corner sprays 25 are positioned at the left side and the right side of the water spraying frame 23, the fixed-point cleaning device 24 is arranged at the left front of the bracket of the water spraying frame 23, the water tank 10 is positioned in the middle of the vehicle, and an overflow pipe and a wave-proof plate are arranged to ensure the water quantity of the water tank 10 and relieve the flow impact of water; the upper end of the water tank 10 is provided with an access hole, the water return pipe 30 is positioned below the left side of the vehicle, the water outlet pipe 38 and the water inlet pipe 39 are positioned below the right side of the vehicle, the bracket and the hand-push frame of the cleaning trolley 34 are assembled by plugging and inserting, the bracket and the hand-push frame can be divided into two parts to be placed in the tool cabin 28 of the water tank 10 when not in operation, the hand-held spray gun 29 is directly placed in the tool cabin 28 of the water tank 10 when not in operation, the high-pressure water pump 11 and the motor 36 are placed on the left side of the power cabin 31 of the water tank 10 and are connected by the transmission shaft 35, the high-pressure cleaning reel is arranged on the right side of the power cabin 31, the spray pipe 26 is fixed by bolts when not in operation, and the spray pipe 26 is placed beside the high-pressure reel 32 when not in operation. The water tank 10 and the water gauge pipe 33 are positioned at the left rear outer side of the power cabin 31, so that the observation of a driver is facilitated. The water filter 19 is installed at the right lower side of the bottom plate of the power compartment 31.

It should be noted that when the first water valve 1 is turned on and the second water valve 2 is turned off, the first pipeline 12 and the second pipeline 13 are connected, the first pipeline 12 and the third pipeline 14 are disconnected, the road cleaning vehicle 1000 is in a high-pressure cleaning operation state, the water spraying frame 23 can be used for cleaning old stains, sticky dirt and the like on squares and roads, the corner spraying 25 can be used for realizing high-pressure cleaning operation on edges, guardrail bases, road markings and the like when the vehicle runs, and fixed-point cleaning can be used for accurate cleaning, such as cleaning street garbage cans and the like.

When the first water valve 1 and the second water valve 2 are turned off and the quick-change connector is turned on, the handheld spray gun 29 can be used for cleaning road surfaces, sidewalks, non-motor vehicle lanes, squares, urban psoriasis, billboards, road signs and the like; the cleaning cart 34 may clean the motor vehicle from inconvenient entry into the field.

When the second water valve 2 is turned on and the first water valve 1 is turned off, the first pipeline 12 and the second pipeline 13 are disconnected, the first pipeline 12 and the third pipeline 14 are communicated, the pavement cleaning vehicle 1000 is in a low-pressure cleaning state, low-pressure cleaning is mainly performed by the spray pipe 26, the low-pressure cleaning is used for cleaning work of construction site sludge, brick pavement and the like, and the pavement of pavement can be prevented from being damaged by peeling off the mortar between bricks or clothes of workers due to sludge splashing caused by overhigh water pressure.

In addition, other structures and functions of the road cleaning vehicle according to the embodiments of the present utility model are known to those skilled in the art, and are not described herein for redundancy reduction.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. The waterway system (100) is characterized in that the waterway system (100) comprises a water tank (10), a water pump (11), a first pipeline (12), a second pipeline (13), a third pipeline (14) and a two-water valve group (15), wherein the third pipeline (14) is provided with a first unloading valve (16), the first unloading valve (16) is used for enabling the water pressure in the third pipeline (14) to reach a first preset water pressure threshold value,

the water tank (10) is connected with the water pump (11) through a first pipeline (12), the water pump (11) is connected with the second pipeline (13) and the third pipeline (14) respectively through a double water valve group (15), the second pipeline (13) is connected with a high-pressure flushing device (17), a first unloading valve (16) in the third pipeline (14) is connected with the double water valve group (15) and a low-pressure flushing device (18) respectively, and the water pump (11) is used for conveying a water source in the water tank (10) to the high-pressure flushing device (17) or the low-pressure flushing device (18) so as to flush a road surface.

2. The waterway system (100) of claim 1, characterized in that the set of two-way valve (15) comprises: first water valve (1) and second water valve (2), wherein, when first water valve (1) switches on and second water valve (2) is closed, first pipeline (12) with second pipeline (13) intercommunication, first pipeline (12) with third pipeline (14) disconnection, and when second water valve (2) switch on and first water valve (1) is closed, first pipeline (12) with second pipeline (13) disconnection, first pipeline (12) with third pipeline (14) intercommunication.

3. The waterway system (100) of claim 2, wherein the first pipeline (12) includes:

and the second unloading valve (20) is used for enabling the water pressure in the first pipeline (12) to reach a second preset water pressure threshold value.

4. A waterway system (100) according to claim 3, characterized in that the first pipeline (12) further comprises:

a water filter (19) arranged between the water tank (10) and the water pump (11), wherein the water filter (19) is used for filtering a water source conveyed by the water pump (11);

a third water valve (3) arranged between the water filter (19) and the water tank (10), wherein the water tank (10) is communicated with the first pipeline (12) when the third water valve (3) is conducted;

-pressure monitoring means (21), said pressure monitoring means (21) being adapted to monitor the water pressure in said first conduit (12).

5. The waterway system (100) of claim 4, wherein the first pipeline (12) further includes:

the quick-change connector is connected with a high-pressure reel (32), and the high-pressure reel (32) is connected with a handheld spray gun (29) and/or a cleaning trolley (34).

6. A waterway system (100) according to claim 3, characterized in that said first unloading valve (16) and said second unloading valve (20) are both connected to said tank (10), or that said first unloading valve (16) is connected to a first separate tank and said second unloading valve (20) is connected to a second separate tank.

7. Waterway system (100) according to claim 4, characterized in that the high-pressure flushing device (17) comprises a water spray rack (23), a fixed point cleaning device (24) and an angle spray (25), the second pipeline (13) is provided with a triple water valve group (22), the triple water valve group (22) comprises a fourth water valve (4), a fifth water valve (5) and a sixth water valve (6), the second pipeline (13) is connected with the water spray rack (23) through the fourth water valve (4), is connected with the fixed point cleaning device (24) through the fifth water valve (5), is connected with the angle spray (25) through the sixth water valve (6), wherein, when the fourth water valve (4) is conducted, the second pipeline (13) is communicated with the water spray rack (23), when the fifth water valve (5) is conducted, the second pipeline (13) is communicated with the fixed point cleaning device (24), and when the sixth water valve (6) is conducted, the second pipeline (13) is communicated with the angle spray (25).

8. The waterway system (100) of claim 7, wherein the low pressure flush device (18) includes a spout (26), the third tube (14) includes: a seventh water valve (7), wherein the third pipeline (14) is communicated with the spray pipe (26) when the seventh water valve (7) is conducted.

9. The waterway system (100) of claim 8, characterized in that the first water valve (1), the second water valve (2), the fourth water valve (4), the fifth water valve (5) and the sixth water valve (6) are all pneumatic valves, and the third water valve (3) and the seventh water valve (7) are all manual valves.

10. A road cleaning vehicle (1000), characterized in that the road cleaning vehicle (1000) comprises a waterway system (100) according to any of claims 1-9.