Greening maintenance sprinkling machine

Abstract

The utility model relates to the technical field of irrigation equipment, in particular to a greening maintenance sprinkling machine which comprises a movable rack, the movable rack comprises a bottom supporting plate, a water storage tank is fixedly arranged on the bottom supporting plate, an additive storage tank is arranged on the water storage tank, a feeding assembly for feeding materials into the water storage tank is arranged on the additive storage tank, and a sprinkling mechanism is arranged on one side of the water storage tank. The sprinkling irrigation mechanism comprises a water conveying header pipe communicated with the water storage tank, a water conveying pump is arranged on the water conveying header pipe, the water conveying header pipe at the downstream of the water conveying pump extends upwards, a first spraying pipe, a second spraying pipe and a third spraying pipe are sequentially arranged at the water outlet end of the water conveying header pipe in parallel from top to bottom, and sprinkling irrigation assemblies are arranged at the ends of the first spraying pipe, the second spraying pipe and the third spraying pipe. The water delivery pump draws the hydraulic pressure of water or solution in the water storage tank, so that the solution is lifted to a high position for spraying and irrigation. The automatic rotating joint is matched with the multifunctional spray head, so that irrigation of plants in different states is met, the spraying area and the spraying force are different, and the device adapts to spraying states in various forms.

Description

Technical Field

[0001] The utility model relates to the technical field of irrigation equipment, in particular to a greening maintenance sprinkler. Background Art

[0002] The greening maintenance sprinkler is a kind of equipment specially used for urban greening maintenance work. It is mainly used to provide water sources for green areas such as roads, parks, and squares, and to carry out sprinkler irrigation.

[0003] The traditional manual watering method cannot automatically water a large area. The amount of water cannot be accurately controlled by manual watering, and water needs to be added frequently. For plants that cannot be watered, the spraying method cannot be changed in time, which can easily harm weak or newly cultivated plants. During the watering process, additives such as fertilizers, trace elements, pH regulators, antibiotics / fungicides, plant growth regulators, foliar fertilizers, and biological organic fertilizers are added as needed. However, when adding manually, the ratio is not accurate, the operation efficiency is low, the labor cost is high, and comprehensive spraying cannot be guaranteed for plants of different heights. Summary of the invention

[0004] The utility model aims to provide a greening maintenance sprinkler to solve the problems raised in the above-mentioned background technology. The utility model has the advantages of bringing the sprinkler to the vegetation area to be irrigated by a mobile frame, and freely matching different heights and different irrigation methods to achieve efficient automatic irrigation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a greening maintenance sprinkler, comprising a mobile frame, the mobile frame comprising a bottom support plate, a water tank fixedly arranged on the bottom support plate, an additive storage box arranged on the water tank, a feeding assembly for feeding materials into the water tank arranged on the additive storage box, the feeding assembly controlling the amount of additive added to the water tank, and realizing automatic proportioning of additive solution. A sprinkler mechanism is arranged on one side of the water tank, the sprinkler mechanism comprises a water main pipe connected to the water tank, a water pump is arranged on the water main pipe, the water main pipe downstream of the water pump extends upward, the water outlet end of the water main pipe is sequentially connected in parallel with a first spray pipe, a second spray pipe and a third spray pipe from top to bottom, and the ends of the first spray pipe, the second spray pipe and the third spray pipe are all provided with sprinkler assemblies. The water pump pulls the hydraulic pressure of the water or solution in the water tank so that the solution is lifted to a high place for spraying and irrigation.

[0006] As a further solution of the utility model, the sprinkler irrigation assembly includes a first solenoid valve and a multifunctional nozzle respectively arranged on the first sprinkler pipe, the second sprinkler pipe and the third sprinkler pipe, and an automatic rotating joint is provided between the first solenoid valve and the multifunctional nozzle.

[0007] As a further solution of the utility model, the multifunctional nozzle includes an electric four-way ball valve connected to the spray pipe port, and the electric four-way ball valve and the nozzle body are respectively provided with a spray head, a drip irrigation nozzle and an automatic rotating nozzle along a circumference, and the spray head, the drip irrigation nozzle and the automatic rotating nozzle are respectively connected to the three valve ports of the electric four-way ball valve. Different types of spray heads are suitable for watering plants in different states, and the spraying area and spraying intensity are different, which are suitable for various forms of spraying states.

[0008] As a further solution of the utility model, the automatic rotating joint includes an outer ring and an inner ring, the inner ring is sleeved in the outer ring, a flange is provided on the same side of the outer ring and the inner ring, the outer ring and the flange are both connected to the spray pipe, the outer ring is provided with a flange matching the flange, the flange and the flange of the outer ring are arranged opposite to each other and connected by screws, a raceway is coupled between the outer wall of the inner ring and the inner wall of the outer ring, a plurality of rolling bodies are arranged in the raceway, a sealing groove is provided on the outer wall of the inner ring, a sealing ring is provided in the sealing groove, an injection hole connected to the raceway is provided in the radial direction of the outer ring, and a screw plug is provided on the injection hole; the outer ring flange is provided with a worm gear drive mechanism in the circumferential direction, the worm gear drive mechanism includes a worm wheel, a worm is meshed on one side of the worm wheel, a drive motor and a controller are provided at the end of the worm, and the drive motor is connected to the controller signal. During the rotation process of the automatic rotating joint, the normal flow of the fluid in the pipe body and the joint is ensured, and the seal is ensured without leakage.

[0009] As a further solution of the utility model, the number of the raceways is two and they are arranged parallel to each other along the circumferential direction, the raceways include an upper groove provided on the inner wall of the outer ring and a lower groove provided on the outer wall of the inner ring, the rolling body is arranged between the upper groove and the lower groove, the rolling body is a steel ball, the injection holes are arranged one by one with the raceways, and the two injection holes are located at the same position of the outer ring;

[0010] The inner ring surface of the flange and the pressing surfaces of the inner ring and the outer ring form a main sealing surface, and a main sealing ring is arranged at the main sealing surface. The main sealing ring is a trapezoidal sealing ring, and the outer ring surface of the flange is pressed against the outer ring to form a second sealing surface. The sealing performance is good, the service life is long, the use is safe and reliable, and water waste is avoided.

[0011] As a further solution of the utility model, a water outlet is provided on the side wall of the water storage tank, and the water outlet is connected to one end of a water main pipe. A filter and a water solenoid valve are provided on the water main pipe in sequence along the water outlet direction. The filter and the water solenoid valve are arranged between the water outlet and the water pump.

[0012] As a further solution of the utility model, the feeding assembly includes a feeding port on the top of the additive storage box, a feeding pipe and a feeding flange on the feeding port, a discharge port under the side plate of the additive storage box, a discharge pipe on the discharge port, the discharge pipe extends downward along the top plate of the water storage tank into the water storage tank, and an electric stop valve and a flow meter are provided on the discharge pipe. The electric stop valve and the flow meter cooperate to realize automatic quantitative and accurate addition of additives, and the addition efficiency is high.

[0013] As a further solution of the utility model, the water tank is provided with a magnetic flap level gauge, which includes an upper connecting flange and a lower connecting flange, both of which are arranged on the outer wall of the water tank body, and an exhaust port is also provided on the top plate of the water tank, an exhaust pipe is provided on the exhaust port, and a plug is provided on the exhaust pipe. The magnetic flap level gauge detects the water level in the water tank in real time, and can ensure timely addition of water or stop adding water in time when the water is full, and can be accurately configured with additives in proportion. An exhaust port is provided on the water tank to release the gas in the water tank at any time to ensure the pressure balance inside and outside the tank.

[0014] As a further solution of the utility model, four universal locking wheels are arranged parallel to each other and symmetrically under the bottom support plate of the mobile frame, and a push handle is arranged on the box body of the water tank opposite to the magnetic flap level gauge, and the push handle includes a horizontally arranged push rod, and horizontal support ribs and oblique ribs are arranged at both ends of the push rod. The other end of the horizontal support rib is fixed to the outer wall of the water tank, and the other end of the oblique rib is overlapped with the bottom support plate. It is easy to move and can be locked at any time, suitable for various environments such as horizontal and slope.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) The water pump pulls the water or solution hydraulic pressure in the water tank to lift the solution to a high place for spraying and irrigation. Through the automatic rotating joint and the multi-functional sprinkler, different types of sprinkler heads are suitable for watering plants in different states, with different spraying areas and spraying intensities, adapting to various forms of spraying states.

[0017] (2) During the rotation process, the automatic rotating joint ensures the normal flow of fluid in the pipe body and the joint, has good sealing performance, long service life, safe and reliable use, and avoids water waste.

[0018] (3) The magnetic flap level gauge detects the water level in the water tank in real time, ensuring timely water addition or stopping water addition when the water is full, and obtaining the proportion of additives. The electric stop valve and flow meter of the feeding component cooperate to realize automatic quantitative and accurate addition of additives, with high addition efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is the front view of the utility model;

[0020] Figure 2 It is a top view of the utility model;

[0021] Figure 3 It is a side view of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the multifunctional nozzle of the utility model;

[0023] Figure 5 This is a schematic diagram of the overall structure of the automatic rotary joint of the utility model;

[0024] Figure 6 This is a cross-sectional view of the automatic rotating joint of the utility model;

[0025] Figure 7 This is a schematic diagram of the outer ring structure of the utility model;

[0026] Figure 8 This is the front view of the outer ring of the utility model;

[0027] Fig. 9 This is a schematic diagram of the inner ring structure of the utility model;

[0028] Fig.10 This is the front view of the inner ring of the utility model;

[0029] Fig.11 This is a schematic diagram of the flange structure of the utility model.

[0030] In the figure: 1-mobile frame, 101-universal locking wheel, 2-water storage tank, 201-magnetic flap liquid level gauge, 202-exhaust port, 221-plugging head, 3-additive storage box, 301-feeding port, 4-feeding assembly, 401-electric stop valve, 402-flow meter, 5-sprinkler mechanism, 501-water main pipe, 511-filter, 512-water solenoid valve, 513-water pump, 514-first solenoid valve, 502-first spray pipe, 50 3-automatic rotating joint, 531-inner ring, 532-outer ring, 533-screw plug, 534-rolling element, 535-sealing ring, 536-screw, 537-main sealing ring, 538-flange, 539-worm gear drive mechanism, 504-multi-function nozzle, 541-electric four-way ball valve, 542-spraying head, 543-automatic rotating nozzle, 544-drip irrigation nozzle, 505-second spray pipe, 506-third spray pipe, 6-controller, 7-push handle. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Example 1

[0033] Please refer to the attached Figure 1 -Attached Figure 2 A greening maintenance sprinkler comprises a mobile frame 1, the mobile frame comprises a bottom support plate, four universal locking wheels 101 are arranged parallel to each other and symmetrically under the bottom support plate of the mobile frame, a push handle 7 is arranged on the box body of the water tank opposite to the magnetic flap level gauge, the push handle comprises a horizontally arranged push rod, horizontal support ribs and oblique ribs are arranged at both ends of the push rod, the other end of the horizontal support rib is fixed to the outer wall of the water tank, and the other end of the oblique rib is overlapped with the bottom support plate.

[0034] Push or power-tow the mobile frame to the location where the vegetation needs to be watered, and lock the universal locking wheels.

[0035] A water tank 2 is fixedly provided on the bottom support plate, and a magnetic flap level gauge 201 is provided on the water tank. The magnetic flap level gauge includes an upper connecting flange and a lower connecting flange, and the upper connecting flange and the lower connecting flange are both provided on the outer wall of the water tank. The magnetic flap level gauge provides real-time feedback of the water level in the water tank. When the water level is too low, water is added in time, and the addition of water is stopped after the water level reaches the standard water level. Moreover, the water storage amount in the water tank can be known in real time.

[0036] The top plate of the water tank is also provided with an exhaust port 202, an exhaust pipe is provided on the exhaust port, and a plugging head 221 is provided on the exhaust pipe. When the water tank is exposed to sunlight or other conditions, gas or water vapor is generated in the tank, which increases the air pressure in the tank. The plugging head is opened to discharge the excess gas in the tank, and then the plugging head is covered on the exhaust pipe again to prevent foreign matter from falling into the water tank.

[0037] An additive storage box 3 is provided on the water tank, and a feeding component 4 for adding materials to the water tank is provided on the additive storage box, the feeding component includes a feeding port 301 provided on the top of the additive storage box, a feeding pipe and a feeding flange are provided on the feeding port, a discharge port is provided below the side plate of the additive storage box, a discharge pipe is provided on the discharge port, the discharge pipe extends downward along the top plate of the water tank into the water tank, and an electric stop valve 401 and a flow meter 402 are provided on the discharge pipe.

[0038] Fertilizers, trace elements, pH regulators, antibiotics / fungicides, plant growth regulators, foliar fertilizers, bio-organic fertilizers and other additives are added to the additive storage box 3 according to actual needs. Before use, the electric stop valve is opened, and the additives flow along the discharge pipe to the water storage tank. The flow meter controls the amount of water stored in the water storage tank and the additives are added in proportion. The additives are dissolved in the water storage tank to form a solution. When the addition is completed, the electric stop valve is closed.

[0039] A sprinkler mechanism 5 is provided on one side of the water tank, and the sprinkler mechanism includes a water main pipe 501 connected to the water tank, and a water pump 513 is provided on the water main pipe. A water outlet is provided on the side wall of the water tank, and the water outlet is connected to one end of the water main pipe. A filter 511 and a water solenoid valve 512 are sequentially provided on the water main pipe along the water outlet direction, and the filter and the water solenoid valve are arranged between the water outlet and the water pump.

[0040] When irrigation is needed, turn on the water delivery pump and the water delivery solenoid valve, and the solution in the water storage tank first enters the filter for filtration, and then is output after the impurities are filtered out.

[0041] The water main pipe downstream of the water pump extends upward, and the water outlet of the water main pipe is sequentially connected in parallel with the first spray pipe 502, the second spray pipe 505 and the third spray pipe 506 from top to bottom, and the ends of the first spray pipe, the second spray pipe and the third spray pipe are all provided with a sprinkler assembly 5. The extension length of the first spray pipe is longer than that of the second spray pipe, and the extension length of the second spray pipe is longer than that of the third spray pipe. According to the height of the vegetation, one of the first spray pipe, the second spray pipe and the third spray pipe is selectively used for sprinkler irrigation.

[0042] The sprinkler assembly includes a first solenoid valve 514 and a multifunctional sprinkler head 504 respectively arranged on the first sprinkler pipe, the second sprinkler pipe and the third sprinkler pipe. When the vegetation height is low, the third sprinkler pipe on the bottom layer is used. When the vegetation height is relatively high, the first sprinkler pipe on the top layer is used. When the vegetation height is medium, the second sprinkler pipe on the middle layer is used.

[0043] An automatic rotary joint 503 is provided between the first solenoid valve and the multifunctional spray head. The automatic rotary joint comprises an outer ring 532 and an inner ring 531, wherein the inner ring is sleeved inside the outer ring, and a flange 538 is provided on the same side of the outer ring and the inner ring, and the outer ring and the flange are both connected to the spray pipe, and a flange plate matching with the flange is provided on the outer ring, and the flange and the flange plate of the outer ring are arranged opposite to each other and connected by screws 536, and a raceway is coupled between the outer wall of the inner ring and the inner wall of the outer ring, and a plurality of rolling bodies 534 are provided in the raceway, and a sealing groove is provided on the outer wall of the inner ring, and a sealing ring 535 is provided in the sealing groove, and an injection hole connected with the raceway is provided in the radial direction of the outer ring, and a screw plug 533 is provided on the injection hole; and a worm gear driving mechanism 539 is provided in the circumferential direction of the outer ring flange, and the worm gear driving mechanism comprises a worm wheel, and a worm is meshed with one side of the worm wheel, and a driving motor and a controller 6 are provided at the end of the worm, and the driving motor is connected with the controller signal. The controller controls the driving motor to start, drives the worm wheel and the worm to mesh, and the outer ring performs relative rotation relative to the inner ring.

[0044] There are two raceways which are arranged parallel to each other along the circumferential direction. The raceways include an upper groove provided on the inner wall of the outer ring and a lower groove provided on the outer wall of the inner ring. The rolling body is arranged between the upper groove and the lower groove. The rolling body is a steel ball. The injection holes are arranged one by one with the raceways, and the two injection holes are located at the same position of the outer ring.

[0045] The inner ring surface of the flange and the pressing surfaces of the inner ring and the outer ring form a main sealing surface, and a main sealing ring 537 is provided at the main sealing surface. The main sealing ring is a trapezoidal sealing ring. The outer ring surface of the flange and the outer ring are pressed to form a second sealing surface.

[0046] The automatic rotating joint rotates, driving the multifunctional nozzle 504 to rotate, so that one side of the multifunctional nozzle is aimed at the plant for spraying and watering.

[0047] The multifunctional nozzle comprises an electric four-way ball valve 541 connected to the port of the sprinkler pipe, and the electric four-way ball valve and the nozzle body are respectively provided with a sprinkler head 542, a drip irrigation nozzle 544 and an automatic rotating nozzle 543 along a circumference, and the sprinkler head, the drip irrigation nozzle and the automatic rotating nozzle are respectively connected to the three valve ports of the electric four-way ball valve. The electric four-way ball valve is electrically connected to the controller 6, and by rotating, the valve port of the electric four-way ball valve located directly above the vegetation is opened, and irrigation is sprayed along the sprinkler head, the drip irrigation nozzle or the automatic rotating nozzle.

[0048] Example 1

[0049] In this embodiment, when the height of the vegetation is relatively low, lower than the third spray pipe, the first solenoid valve on the first spray pipe opens, and the water in the water tank or the solution with additives added is transported along the third spray pipe to the multifunctional nozzle.

[0050] The automatic rotating joint rotates, driving the multifunctional sprinkler to rotate, so that the sprinkler head of the multifunctional sprinkler is aimed at the plants, the valve port of the electric four-way ball valve located at the sprinkler head opens, and water or solution is sprayed along the sprinkler head to irrigate the plants.

[0051] Example 2

[0052] In this embodiment, when the height of the vegetation is relatively high and lower than the first spray pipe, the first solenoid valve on the first spray pipe opens, and the water in the water tank or the solution with additives added is transported along the first spray pipe to the multifunctional nozzle.

[0053] The automatic rotating joint rotates, driving the multifunctional nozzle to rotate, so that the drip irrigation nozzle of the multifunctional nozzle is aimed at the plant, the valve port of the electric four-way ball valve located at the drip irrigation nozzle is opened, and water or solution drips along the drip irrigation nozzle to irrigate the plant.

[0054] Example 3

[0055] In this embodiment, when the vegetation height is moderate, the first solenoid valve on the second spray pipe is opened, and the water in the water storage tank or the solution with additives added is transported along the second spray pipe to the multifunctional spray head.

[0056] The automatic rotating joint rotates, driving the multifunctional nozzle to rotate, so that the automatic rotating nozzle of the multifunctional nozzle is aimed at the plant, the valve port of the electric four-way ball valve located at the automatic rotating nozzle is opened, and water or solution rotates along the automatic rotating nozzle to spray and water the plants.

[0057] In short, sprinkler mechanisms of different heights can be freely matched with sprinkler heads, drip irrigation nozzles or automatic rotating nozzles to irrigate plants in three ways.

[0058] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0059] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A greening maintenance sprinkler, characterized by: The mobile frame comprises a mobile frame (1), the mobile frame comprises a bottom support plate, a water storage tank (2) is fixedly arranged on the bottom support plate, an additive storage box (3) is arranged on the water storage tank, a feeding assembly (4) for feeding materials into the water storage tank is arranged on the additive storage box, a sprinkler mechanism (5) is arranged on one side of the water storage tank, the sprinkler mechanism comprises a water main pipe (501) connected to the water storage tank, a water pump (513) is arranged on the water main pipe, the water main pipe downstream of the water pump extends upward, a first sprinkler pipe (502), a second sprinkler pipe (505) and a third sprinkler pipe (506) are sequentially arranged in parallel at the water outlet end of the water main pipe from top to bottom, and sprinkler assemblies are arranged at the ends of the first sprinkler pipe, the second sprinkler pipe and the third sprinkler pipe.

2. The greening maintenance sprinkler according to claim 1, characterized in that: The sprinkler irrigation assembly comprises a first solenoid valve (514) and a multifunctional sprinkler head (504) respectively arranged on a first sprinkler pipe, a second sprinkler pipe and a third sprinkler pipe, and an automatic rotating joint (503) is arranged between the first solenoid valve and the multifunctional sprinkler head.

3. The greening maintenance sprinkler according to claim 2, characterized in that: The multifunctional spray head (504) comprises an electric four-way ball valve (541) connected to the spray pipe port, and a spray head (542), a drip irrigation nozzle (544) and an automatic rotating nozzle (543) are respectively arranged around the electric four-way ball valve and the spray head body along a circumferential direction, and the spray head, the drip irrigation nozzle and the automatic rotating nozzle are respectively connected to the three valve ports of the electric four-way ball valve.

4. The greening maintenance sprinkler according to claim 3, characterized in that: The automatic rotary joint (503) comprises an outer ring (532) and an inner ring (531), wherein the inner ring is sleeved inside the outer ring, a flange (538) is provided on the same side of the outer ring and the inner ring, the outer ring and the flange are both connected to the spray pipe, the outer ring is provided with a flange plate matched with the flange, the flange and the flange plate of the outer ring are arranged facing each other and connected by screws (536), a raceway is coupled between the outer wall of the inner ring and the inner wall of the outer ring, a plurality of rolling bodies are provided in the raceway, a sealing groove is provided on the outer wall of the inner ring, a sealing ring (535) is provided in the sealing groove, an injection hole connected with the raceway is provided in the radial direction of the outer ring, and a screw plug (533) is provided on the injection hole; a worm gear drive mechanism (539) is provided circumferentially of the outer ring flange, the worm gear drive mechanism comprises a worm wheel, a worm is meshed with one side of the worm wheel, a drive motor and a controller are provided at the end of the worm, and the drive motor is signal-connected with the controller.

5. The greening maintenance sprinkler according to claim 4, characterized in that: The raceways are two and are arranged parallel to each other along the circumferential direction. The raceways include an upper groove provided on the inner wall of the outer ring and a lower groove provided on the outer wall of the inner ring. The rolling body (534) is arranged between the upper groove and the lower groove. The rolling body is a steel ball. The injection holes are arranged one by one with the raceways, and the two injection holes are located at the same position of the outer ring. The inner ring surface of the flange and the inner and outer ring pressing surfaces form a main sealing surface, and a main sealing ring (537) is provided at the main sealing surface. The main sealing ring is a trapezoidal sealing ring. The outer ring surface of the flange and the outer ring are pressed to form a second sealing surface.

6. The greening maintenance sprinkler according to claim 1, characterized in that: The water storage tank (2) has a water outlet on its side wall, the water outlet is connected to one end of a water main pipe, a filter (511) and a water supply solenoid valve (512) are sequentially arranged on the water main pipe along the water outlet direction, and the filter and the water supply solenoid valve are arranged between the water outlet and the water supply pump.

7. The greening maintenance sprinkler according to claim 6, characterized in that: The feeding assembly (4) comprises a feeding port (301) provided on the top of the additive storage box (3), a feeding pipe and a feeding flange provided on the feeding port, a discharge port provided below the side plate of the additive storage box, a discharge pipe provided on the discharge port, the discharge pipe extending downwardly along the top plate of the water storage box into the water storage box, and an electric stop valve (401) and a flow meter (402) provided on the discharge pipe.

8. The greening maintenance sprinkler according to claim 1, characterized in that: The water tank (2) is provided with a magnetic flap level gauge (201), which comprises an upper connecting flange and a lower connecting flange, both of which are arranged on the outer wall of the water tank body, and an exhaust port (202) is also provided on the top plate of the water tank, an exhaust pipe is provided on the exhaust port, and a plugging head (221) is provided on the exhaust pipe.

9. The greening maintenance sprinkler according to claim 1, characterized in that: Four universal locking wheels (101) are arranged parallel to each other and symmetrically in pairs below the bottom support plate of the mobile frame. A push handle (7) is arranged on the box body of the water tank opposite to the magnetic flap level gauge. The push handle comprises a horizontally arranged push rod. Both ends of the push rod are provided with horizontal support ribs and oblique ribs. The other end of the horizontal support rib is fixed to the outer wall of the water tank, and the other end of the oblique rib is overlapped with the bottom support plate.

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