Circular sprinkler boom corner spray device

Abstract

The application belongs to the technical field of circular sprinkling machines, and discloses a cantilever corner spraying device of a circular sprinkling machine, which comprises a suspension water conveying pipe, an outer spraying barrel is arranged below the suspension water conveying pipe, a spray head is arranged on the side surface of the outer spraying barrel, and an adjusting mechanism is arranged below the suspension water conveying pipe, and the type of the spray head is switched by adjusting the height. The cantilever corner spraying device of the circular sprinkling machine adopts the mode that the switching barrel slides relative to the outer spraying barrel, so that different specifications of spray heads can be alternately exposed for spraying, thereby eliminating the process of replacing the spray head, greatly improving the work efficiency when different crops need to be irrigated, and adopting the mode that the spray head is driven by water flow for uninterrupted rotation during irrigation, so that the water sprayed by the spray head can be more uniform, and the water flow driving mode is more convenient, without the need for additional power equipment and wire arrangement for the rotation of the spray head.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circular sprinkling machines, in particular to a cantilever ground corner spraying device of a circular sprinkling machine. BACKGROUND

[0002] The growth of crops cannot be separated from irrigation, a good irrigation function can greatly improve the quality of crops, and the types of irrigation machines are various, among which the circular sprinkler is also called pointer type sprinkler and center support type sprinkler, which is a large self-propelled sprinkler, which greatly improves the yield of agriculture and animal husbandry in arid and semiarid areas, the machine is suitable for sprinkling crops such as corn, wheat, alfalfa, potato, grain, vegetable, sugarcane and economic crops, and can also be used for sprinkling fruit seedbed, and can also be used for spraying fertilizer, pesticide and herbicide, which has the characteristics of practicality, advancement, uniform spraying, energy saving, water saving and high automation, the circular sprinkler has strong adaptability to crops and terrain, large single machine control area, good comprehensive utilization and high land utilization rate, and is suitable for operation on rectangular fields of state farms or moderate scale operation, because the circular sprinkler has high automation, large irrigation area, good irrigation quality, large single machine control area and strong adaptability to terrain, the requirement for water source is low, so it is very suitable for agricultural production in areas with many people and less land, it can irrigate the land in a short time with small investment, without the need of ditch building and land leveling, only with water source such as well water, river channel and lake, the control area is increased, the per mu investment cost is reduced, the circular sprinkler can control the water quantity and uniformity of irrigation, avoid the ground runoff and deep seepage loss caused by ground irrigation, and thus improve the water use efficiency and save irrigation water, the sprinkling irrigation can use small irrigation quota for shallow irrigation, which is convenient for strictly controlling soil moisture and making it more suitable for crop growth, at the same time, the sprinkling irrigation does not produce mechanical damage to the plough layer soil, can maintain the soil aggregate structure, make the soil loose, porous and have good aeration condition, promote the decomposition of nutrients and the activity of microorganisms, and improve the soil fertility, in addition, the circular sprinkler can adjust the field microclimate, increase the near-surface temperature, reduce the temperature in summer and prevent frost in winter, and can also wash the dust on the stems and leaves, promote respiration and photosynthesis, thus creating a good living environment for crops, promoting the growth and development of crops, and achieving the purpose of increasing yield, the circular sprinkler can realize high mechanization and greatly improve production efficiency, especially the automatic operation sprinkling irrigation system, which can save a lot of labor, at the same time, the sprinkling irrigation cancels the water delivery ditch in the field, reduces the growth of weeds, and eliminates the work of ditch repair and weed removal, the unique design of the circular sprinkler can ensure that water is evenly distributed to each piece of land, thereby improving the growth quality of crops, the circular sprinkler can be used with fertilizer, pesticide and other agricultural machines to realize water and fertilizer integration, and its high automation can greatly reduce the burden of manual operation, when irrigating different types of crops, the types of sprinkler heads need to be replaced because the ploughing intervals of different crops are different, and because the circular sprinkler has many cantilevers, it is very time-consuming and laborious to replace, which is not conducive to improving the overall work efficiency. SUMMARY

[0003] The present application aims to provide a circular sprinkler cantilever corner spraying device to solve the problem of inconvenience in replacing the nozzle in the background art.

[0004] To achieve the above object, the present application provides the following technical solution: a circular sprinkler cantilever corner spraying device, comprising a suspension water delivery pipe, an outer spraying barrel is arranged below the suspension water delivery pipe, and a nozzle is mounted on the side surface of the outer spraying barrel, and an adjusting mechanism is arranged below the suspension water delivery pipe, and the type of the nozzle is switched by adjusting the height.

[0005] Preferably, the adjusting mechanism comprises an inner spraying barrel, the inner spraying barrel is fixedly arranged in the inner part of the outer spraying barrel, the outer surface of the inner spraying barrel is penetrated by a piston rod, one end of the piston rod is fixedly connected with the nozzle, the outer side of the outer spraying barrel is provided with a switching barrel, a let-in slot is arranged on the lower end side surface of the switching barrel, the upper end of the switching barrel is penetrated by a sliding rod, a displacement rod and a rotating rod, the upper end of the displacement rod is fixedly connected with a rotating rod, the lower end outer side surface of the rotating rod is fixedly provided with a limiting barrel, a limiting slot is arranged on the upper end side surface of the limiting barrel, the upper end side surface of the rotating rod is fixedly provided with a mounting plate, the side surface of the mounting plate is penetrated by a reset rod, one end of the reset rod is fixedly connected with a sliding seat, and the upper surface of one end of the sliding seat is fixedly provided with a locking rod.

[0006] The above technical solution makes the rotating rod be locked and unable to rotate during the rotation of the rotating rod, thereby avoiding the phenomenon that the nozzle is blocked.

[0007] Preferably, the outer side surface of the outer spraying barrel is fitted with the inner side surface of the switching barrel, the outer spraying barrel and the inner spraying barrel are concentrically arranged, the upper end of the inner spraying barrel penetrates the upper surface of the outer spraying barrel, the piston rod and the inner spraying barrel are in sliding friction connection, a spring is connected between the piston rod and the inner spraying barrel, the let-in slot is hollow designed, the sliding rod and the rotating rod are fixedly connected, the sliding rod and the switching barrel are in sliding connection, the displacement rod and the rotating rod are in rotating connection, the displacement rod and the switching barrel are in screw connection, the rotating rod is hollow designed, the lower end of the rotating rod is fixedly connected with the upper end of the outer spraying barrel, and the rotating rod and the switching barrel are in sliding connection.

[0008] The above technical solution makes the rotating of the displacement rod be able to drive the switching barrel to slide up and down relative to the outer spraying barrel.

[0009] Preferably, the limiting slots are uniformly distributed on the upper end surface of the limiting barrel, the mounting plate and the reset rod are in sliding connection, a spring is connected between the mounting plate and the reset rod, the locking rod is designed in C shape with the opening downward, one end of the locking rod is located in the inner part of the limiting barrel, and the end of the locking rod located in the inner part of the limiting barrel is flush with the inner side bottom surface of the limiting slot.

[0010] The locking rod can limit the rotary rod and the limiting barrel by clamping with the limiting groove.

[0011] Preferably, the upper end of the rotary rod is provided with a driving mechanism, which is driven to rotate and spray by the impact of water flow.

[0012] The above technical scheme makes the spraying more uniform and comprehensive to ensure the irrigation effect.

[0013] Preferably, the driving mechanism comprises a connecting disc, which is fixedly arranged at the upper end of the rotary rod, and the upper surface of the connecting disc is uniformly provided with tooth blocks, and the outer surface of the connecting disc is penetrated by a connecting pipe, the lower end of the suspension water pipe is fixedly connected with a mounting seat, and the inside of the mounting seat is provided with a rotating impeller, and the rotating shaft of the impeller is fixedly connected with a gear, the upper surface of the mounting seat is provided with an inlet pipe, the lower surface of the mounting seat is provided with an outlet pipe, and the inside of the mounting seat is provided with a flow guide pipe.

[0014] The above technical scheme makes the connecting disc rotate to achieve the purpose of rotary spraying under the driving of water flow.

[0015] Preferably, the connecting disc is rotatably connected with the mounting seat, the lower end of the connecting pipe penetrates the lower surface of the connecting disc, the lower end of the connecting pipe is rotatably connected with the rotary rod, and the outer surface of the lower end of the connecting pipe is in close contact with the inner surface of the rotary rod, and the connecting pipe is fixedly connected with the mounting seat.

[0016] The above technical scheme makes the mounting seat be kept connected with the rotary rod during the rotation of the rotary rod through the connecting pipe.

[0017] Preferably, the impeller and the gear are concentrically arranged, the gear is meshingly connected with the connecting disc through the tooth blocks, the lower end of the inlet pipe penetrates the cavity in the mounting seat where the impeller is arranged, the outer surface of the blade of the impeller is in close contact with the inner surface of the cavity in the mounting seat, one end of the flow guide pipe penetrates the side surface of the cavity in the mounting seat where the impeller is arranged, the other end of the flow guide pipe penetrates the upper end of the outlet pipe, the lower end of the outlet pipe penetrates the lower surface of the mounting seat and is in communication with the connecting pipe, the upper end of the inlet pipe penetrates the upper surface of the mounting seat, the upper end of the inlet pipe is in communication with the lower end of the suspension water pipe, and the lower end of the suspension water pipe is fixedly connected with the upper surface of the mounting seat.

[0018] The above technical scheme makes the suspension water pipe inject water into the rotary rod through the inlet pipe, the flow guide pipe, the outlet pipe and the connecting pipe in sequence.

[0019] Preferably, the outer surface of the upper end of the suspension water pipe is provided with a converging mechanism, which adjusts the sagging distance of the outer spraying barrel relative to the cantilever angle.

[0020] Adopt the above technical scheme, the spray height of the spray head can be adjusted.

[0021] Preferably, the converging mechanism comprises: an adjusting plate arranged on one side of the suspended water conveying pipe, and the two end side surfaces of the adjusting plate are fixedly provided with limiting rings, the outer surface of the adjusting plate is penetrated by a guide rod, one end of the guide rod is fixedly connected with a pressing column, and the one end side surface of the pressing column is rotatably installed with an adjusting rod, the suspended water conveying pipe penetrates the two limiting rings, and the suspended water conveying pipe between the two limiting rings is designed in a U shape around the pressing column, the adjusting rod is threadedly connected with the adjusting plate, and the pressing column is slidably connected with the adjusting plate through the guide rod.

[0022] Adopt the above technical scheme, the suspended water conveying pipe can be bent to adjust the suspension height of the spray head.

[0023] Compared with the prior art, the circular sprinkling machine cantilever angle spraying device has the beneficial effects that:

[0024] 1. The switching barrel slides relative to the outer spraying barrel, so that different specifications of spray heads can be alternately exposed for spraying, thereby eliminating the process of replacing the spray heads, and greatly improving the work efficiency when different crops need to be irrigated.

[0025] 2. Further, the spray head rotates continuously in the irrigation process by using water flow driving, so that the water sprayed by the spray head is more uniform, and the water flow driving is more convenient, without the need for additional power equipment and wire arrangement for the rotation of the spray head.

[0026] 3. Further, the upper end of the suspended water conveying pipe is bent and limited, so that the overall suspension height of the spray head below the suspended water conveying pipe can be changed to adapt to the irrigation requirements of different types of crops. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present application;

[0028] Figure 2 It is a schematic diagram of the three-dimensional structure of the connecting section of the pressing column and the adjusting rod of the present application;

[0029] Figure 3 It is a schematic diagram of the three-dimensional structure of the connecting section of the adjusting plate and the pressing column of the present application;

[0030] Figure 4 It is a schematic diagram of the three-dimensional structure of the overall section of the present application;

[0031] Figure 5 It is a schematic diagram of the three-dimensional structure of the connecting section of the connecting disc and the mounting seat of the present application;

[0032] Figure 6 Figure 1 is a schematic diagram of the connection between the mounting seat and the flow guide pipe according to the present application;

[0033] Figure 7 Figure 2 is a schematic diagram of the connection between the rotating rod and the limiting barrel according to the present application;

[0034] Figure 8 Figure 3 is a schematic diagram of the connection between the sliding seat and the locking rod according to the present application;

[0035] Figure 9 Figure 4 is a schematic diagram of the connection between the nozzle and the inner spraying barrel according to the present application;

[0036] Figure 10 Figure 5 is a schematic diagram of the connection between the nozzle and the piston rod according to the present application.

[0037] In the figure, 1 is a suspended water conveying pipe, 2 is an outer spraying barrel, 3 is a nozzle, 4 is an inner spraying barrel, 5 is a piston rod, 6 is a switching barrel, 7 is a displacement slot, 8 is a sliding rod, 9 is a displacement rod, 10 is a rotating rod, 11 is a rotating rod, 12 is a limiting barrel, 13 is a limiting slot, 14 is a mounting plate, 15 is a reset rod, 16 is a sliding seat, 17 is a locking rod, 18 is a connecting disc, 19 is a tooth block, 20 is a connecting pipe, 21 is a mounting seat, 22 is an impeller, 23 is a gear, 24 is a liquid inlet pipe, 25 is a liquid outlet pipe, 26 is a flow guide pipe, 27 is an adjusting plate, 28 is a limiting ring, 29 is a guide rod, 30 is a pressing column, and 31 is an adjusting rod. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0039] Please refer to Figures 1-10 The present application provides a technical solution: a circular sprinkler cantilever corner spraying device.

[0040] Embodiment one

[0041] In this embodiment, a suspended water conveying pipe 1 is disclosed, a outer spraying barrel 2 is arranged below the suspended water conveying pipe 1, a nozzle 3 is mounted on the side surface of the outer spraying barrel 2, and an adjusting mechanism is arranged below the suspended water conveying pipe 1 to realize the switching of the type of the nozzle 3 through the adjustment of the height;

[0042] The adjusting mechanism comprises: an inner spray barrel 4 fixedly arranged in the inner part of the outer spray barrel 2, the outer surface of the inner spray barrel 4 is penetrated by a piston rod 5, one end of the piston rod 5 is fixedly connected with a spray head 3, the outer side of the outer spray barrel 2 is provided with a switching barrel 6, the lower end side surface of the switching barrel 6 is provided with a let-in slot 7, the upper end of the switching barrel 6 is penetrated by a sliding rod 8, a displacement rod 9 and a rotating rod 10, the upper end of the displacement rod 9 is fixedly connected with a rotating rod 11, the lower end outer side surface of the rotating rod 11 is fixedly arranged with a limiting barrel 12, the upper end side surface of the limiting barrel 12 is provided with a limiting slot 13, the upper end side surface of the rotating rod 10 is fixedly arranged with a mounting plate 14, the side surface of the mounting plate 14 is penetrated by a reset rod 15, one end of the reset rod 15 is fixedly connected with a sliding seat 16, the upper surface of one end of the sliding seat 16 is fixedly arranged with a locking rod 17;

[0043] The outer side surface of the outer spray barrel 2 is combined with the inner side surface of the switching barrel 6, the outer spray barrel 2 and the inner spray barrel 4 are concentrically arranged, the upper end of the inner spray barrel 4 penetrates the upper surface of the outer spray barrel 2, the piston rod 5 and the inner spray barrel 4 are in sliding friction connection, a spring is connected between the piston rod 5 and the inner spray barrel 4, the let-in slot 7 is hollow designed, the sliding rod 8 and the rotating rod 10 are fixedly connected, the sliding rod 8 and the switching barrel 6 are in sliding connection, the displacement rod 9 and the rotating rod 10 are in rotating connection, the displacement rod 9 and the switching barrel 6 are in screw connection, the rotating rod 10 is hollow designed, the lower end of the rotating rod 10 is fixedly connected with the upper end of the outer spray barrel 2, and the rotating rod 10 and the switching barrel 6 are in sliding connection;

[0044] The limiting slots 13 are uniformly distributed on the upper end surface of the limiting barrel 12, the mounting plate 14 and the reset rod 15 are in sliding connection, a spring is connected between the mounting plate 14 and the reset rod 15, the locking rod 17 is designed as a C-shaped structure with the opening downward, one end of the locking rod 17 is located in the inner part of the limiting barrel 12, and the one end of the locking rod 17 located in the inner part of the limiting barrel 12 is flush with the inner side bottom surface of the limiting slot 13;

[0045] When it is needed to adjust the type of the spray head 3, the rotating rod 11 is rotated, the rotating rod 11 drives the displacement rod 9 to rotate, the displacement rod 9 drives the switching barrel 6 to slide up and down relative to the rotating rod 10 through the sliding rod 8, at this time, the let-in slot 7 moves to face different spray heads 3, so that different spray heads 3 can water to irrigate crops, when the inner spray barrel 4 is filled with water, the water pressure makes the piston rod 5 slide outward to drive the spray head 3 to extend out of the outer spray barrel 2 and be clamped with the let-in slot 7, so that the switching barrel 6 cannot slide up and down relative to the outer spray barrel 2 during the water spraying process;

[0046] In the process of rotating the rotating rod 10, due to the centrifugal force, the reset rod 15, the sliding seat 16 and the locking rod 17 slide away from the rotating rod 11, so that one end of the locking rod 17 is engaged with the limiting groove 13 on the upper surface of the limiting barrel 12, so that the rotating rod 10 cannot rotate in the limited state of the rotating rod 11 during spraying, causing the nozzle 3 to be blocked, and after the rotating rod 10 stops rotating, the reset rod 15 drives the sliding seat 16 and the locking rod 17 to slide back under the pulling of the spring between the mounting plate 14, the locking rod 17 is disengaged from the limiting groove 13, so that the rotating rod 11 can rotate for adjustment.

[0047] Embodiment two

[0048] This embodiment discloses that the upper part of the rotating rod 10 is provided with a driving mechanism, which is driven to rotate and spray by the impact of water flow;

[0049] The driving mechanism comprises a connecting disc 18, the connecting disc 18 is fixedly arranged at the upper end of the rotating rod 10, the upper surface of the connecting disc 18 is uniformly provided with a tooth block 19, the outer surface of the connecting disc 18 is penetrated by a connecting pipe 20, the lower end of the suspended water conveying pipe 1 is fixedly connected with a mounting seat 21, the mounting seat 21 is internally provided with a rotating impeller 22, the rotating shaft of the impeller 22 is fixedly connected with a gear 23, the upper surface of the mounting seat 21 is provided with an inlet pipe 24, the lower surface of the mounting seat 21 is provided with an outlet pipe 25, and the inside of the mounting seat 21 is provided with a flow guide pipe 26;

[0050] The connecting disc 18 is rotationally connected with the mounting seat 21, the lower end of the connecting pipe 20 penetrates the lower surface of the connecting disc 18, the lower end of the connecting pipe 20 is rotationally connected with the rotating rod 10, the outer surface of the lower end of the connecting pipe 20 is in close contact with the inner surface of the rotating rod 10, and the connecting pipe 20 is fixedly connected with the mounting seat 21;

[0051] The impeller 22 and the gear 23 are concentrically arranged, the gear 23 is meshingly connected with the connecting disc 18 through the tooth block 19, the lower end of the inlet pipe 24 penetrates the cavity in the mounting seat 21 where the impeller 22 is located, the outer surface of the blade of the impeller 22 is in close contact with the inner surface of the cavity in the mounting seat 21, one end of the flow guide pipe 26 penetrates the side surface of the cavity in the mounting seat 21 where the impeller 22 is located, the other end of the flow guide pipe 26 penetrates the upper end of the outlet pipe 25, the lower end of the outlet pipe 25 penetrates the lower surface of the mounting seat 21 and is in communication with the connecting pipe 20, the upper end of the inlet pipe 24 penetrates the upper surface of the mounting seat 21, the upper end of the inlet pipe 24 is in communication with the lower end of the suspended water conveying pipe 1, and the lower end of the suspended water conveying pipe 1 is fixedly connected with the upper surface of the mounting seat 21;

[0052] When the suspended water delivery pipe 1 is used to deliver water downward, the water flows through the liquid inlet pipe 24, impacts the impeller 22, and then is injected into the rotating rod 10 through the guide pipe 26, the liquid outlet pipe 25 and the connecting pipe 20, and then is injected into the inner spraying barrel 4 by the rotating rod 10 and is sprayed out through the spray head 3 for irrigation. At this time, with the rotation of the impeller 22, the impeller 22 drives the connecting disc 18 to rotate relative to the mounting base 21 through the meshing of the gear 23 and the toothed block 19, and the connecting disc 18 drives the outer spraying barrel 2 and the switching barrel 6 to rotate as a whole through the rotating rod 10 fixedly connected at the lower end to realize uniform spraying.

[0053] Example three

[0054] This embodiment discloses that the upper end outer surface of the suspended water delivery pipe 1 is provided with a bunching mechanism, and the bunching mechanism is used to adjust the sagging distance of the outer spraying barrel 2 relative to the cantilever angle.

[0055] The bunching mechanism comprises an adjusting plate 27, the adjusting plate 27 is arranged on one side of the suspended water delivery pipe 1, and the two end side surfaces of the adjusting plate 27 are fixedly provided with limiting rings 28, the outer surface of the adjusting plate 27 is penetrated by a guide rod 29, one end of the guide rod 29 is fixedly connected with a pressing column 30, and one end side surface of the pressing column 30 is rotatably installed with an adjusting rod 31, the suspended water delivery pipe 1 penetrates the two limiting rings 28, and the suspended water delivery pipe 1 between the two limiting rings 28 is designed in a U shape around the pressing column 30, the adjusting rod 31 is threadedly connected with the adjusting plate 27, and the pressing column 30 is slidably connected with the adjusting plate 27 through the guide rod 29;

[0056] When it is needed to adjust the suspension height of the spray head 3, the adjusting rod 31 is rotated at this time, the adjusting rod 31 drives the pressing column 30 and the guide rod 29 to slide transversely relative to the adjusting plate 27 through the threaded connection with the adjusting plate 27, the pressing column 30 presses the outer surface of one end of the suspended water delivery pipe 1 between the two limiting rings 28 to make the suspended water delivery pipe 1 bend, so as to adjust the overall vertical length of the suspended water delivery pipe 1 and achieve the purpose of adjusting the suspension height of the spray head 3.

[0057] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A circular sprinkler cantilever corner spraying device, comprising a suspended water delivery pipe (1), the lower part of the suspended water delivery pipe (1) is provided with an outer spraying barrel (2), and the side surface of the outer spraying barrel (2) is provided with a spraying head (3), characterized in that: The lower part of the suspension water conveying pipe (1) is provided with an adjusting mechanism, which realizes the switching of the type of the spray head (3) through the adjustment of the height; The adjusting mechanism comprises an inner spray bucket (4) fixedly arranged in the inner part of the outer spray bucket (2), the outer surface of the inner spray bucket (4) is penetrated by a piston rod (5), one end of the piston rod (5) is fixedly connected with the spray head (3), the outer side of the outer spray bucket (2) is provided with a switching bucket (6), the lower end side surface of the switching bucket (6) is provided with a let-in slot (7), the upper end of the switching bucket (6) is penetrated by a sliding rod (8), a displacement rod (9) and a rotating rod (10), the upper end of the displacement rod (9) is fixedly connected with a rotating rod (11), the lower end outer side surface of the rotating rod (11) is fixedly arranged with a limiting bucket (12), the upper end side surface of the limiting bucket (12) is provided with a limiting slot (13), the upper end side surface of the rotating rod (10) is fixedly arranged with a mounting plate (14), the side surface of the mounting plate (14) is penetrated by a reset rod (15), one end of the reset rod (15) is fixedly connected with a sliding seat (16), the upper surface of one end of the sliding seat (16) is fixedly arranged with a locking rod (17); The outer side surface of the outer spray bucket (2) is fitted with the inner side surface of the switching bucket (6), the outer spray bucket (2) and the inner spray bucket (4) are concentrically arranged, the upper end of the inner spray bucket (4) penetrates the upper surface of the outer spray bucket (2), the piston rod (5) and the inner spray bucket (4) are in sliding friction connection, a spring is connected between the piston rod (5) and the inner spray bucket (4), the let-in slot (7) is hollow designed, the sliding rod (8) and the rotating rod (10) are fixedly connected, the sliding rod (8) and the switching bucket (6) are in sliding connection, the displacement rod (9) and the rotating rod (10) are in rotating connection, the displacement rod (9) and the switching bucket (6) are in screw connection, the rotating rod (10) is hollow designed, the lower end of the rotating rod (10) is fixedly connected with the upper end of the outer spray bucket (2), and the rotating rod (10) and the switching bucket (6) are in sliding connection; The limiting slots (13) are uniformly distributed on the upper end surface of the limiting bucket (12), the mounting plate (14) and the reset rod (15) are in sliding connection, a spring is connected between the mounting plate (14) and the reset rod (15), the locking rod (17) is designed as a C-shaped structure with the opening downward, one end of the locking rod (17) is located in the inner part of the limiting bucket (12), and the one end of the locking rod (17) located in the inner part of the limiting bucket (12) is flush with the inner side bottom surface of the limiting slot (13); The upper part of the rotating rod (10) is provided with a driving mechanism, which drives the rotating rod (10) to rotate and spray through the impact of water flow. The driving mechanism comprises a connecting disc (18) fixedly arranged at the upper end of the rotating rod (10), the upper surface of the connecting disc (18) is uniformly provided with a tooth block (19), and the outer surface of the connecting disc (18) is penetrated by a connecting pipe (20); the lower end of the suspension water conveying pipe (1) is fixedly connected with a mounting seat (21), the inside of the mounting seat (21) is mounted with a rotating impeller (22), the rotating shaft of the impeller (22) is fixedly connected with a gear (23), the upper surface of the mounting seat (21) is provided with an inlet pipe (24), the lower surface of the mounting seat (21) is provided with an outlet pipe (25), and the inside of the mounting seat (21) is provided with a flow guide pipe (26); The connecting disc (18) is rotatably connected with the mounting seat (21), the lower end of the connecting pipe (20) penetrates the lower surface of the connecting disc (18), the lower end of the connecting pipe (20) is rotatably connected with the rotating rod (10), and the outer surface of the lower end of the connecting pipe (20) is in close contact with the inner surface of the rotating rod (10); the connecting pipe (20) is fixedly connected with the mounting seat (21); The impeller (22) and the gear (23) are concentrically arranged, the gear (23) is meshingly connected with the connecting disc (18) through the tooth block (19), the lower end of the inlet pipe (24) penetrates the inside cavity of the mounting seat (21) where the impeller (22) is arranged, the outer surface of the blade of the impeller (22) is in close contact with the inner surface of the inside cavity of the mounting seat (21), the side surface of the inside cavity of the mounting seat (21) where the impeller (22) is arranged is penetrated by one end of the flow guide pipe (26), the other end of the flow guide pipe (26) penetrates the upper end of the outlet pipe (25), the lower end of the outlet pipe (25) penetrates the lower surface of the mounting seat (21) and is in communication with the connecting pipe (20), the upper end of the inlet pipe (24) penetrates the upper surface of the mounting seat (21), the upper end of the inlet pipe (24) is in communication with the lower end of the suspension water conveying pipe (1), and the lower end of the suspension water conveying pipe (1) is fixedly connected with the upper surface of the mounting seat (21); The outer surface of the upper end of the suspension water conveying pipe (1) is provided with a collection mechanism, and the drooping distance of the outer spraying barrel (2) relative to the cantilever angle is adjusted through the collection mechanism; The collection mechanism comprises an adjusting plate (27) arranged on one side of the suspension water conveying pipe (1), the two end side surfaces of the adjusting plate (27) are fixedly provided with limiting rings (28), the outer surface of the adjusting plate (27) is penetrated by a guide rod (29), one end of the guide rod (29) is fixedly connected with a pressing column (30), and one end side surface of the pressing column (30) is rotatably mounted with an adjusting rod (31); the suspension water conveying pipe (1) penetrates the two limiting rings (28), the suspension water conveying pipe (1) between the two limiting rings (28) is designed in a U shape around the pressing column (30), the adjusting rod (31) is threadedly connected with the adjusting plate (27), and the pressing column (30) is slidably connected with the adjusting plate (27) through the guide rod (29).

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