Precise spraying type liquid manure returning equipment

Abstract

The invention provides precise spraying type liquid manure field returning equipment which comprises a storage tank, a base is arranged at the bottom end of the storage tank, a water pump is arranged in the storage tank, two supporting assemblies are rotationally connected to the end of the base, and a plurality of spraying assemblies are arranged on the side of each supporting assembly; a rotary joint is arranged at the top end of the supporting assembly; the spraying assembly is connected with the rotary joint through the supporting assembly; the rotary joint comprises a joint body, a ball plug, an inlet, an outlet and a communicating pipe; a first motor is arranged in the base, and the output end of the first motor is connected with the supporting assembly. A measuring assembly is arranged on the side portion of the supporting assembly. The supporting assembly can rotate according to the width of a to-be-sprayed area, then the spraying assembly is driven to rotate, and when the spraying assembly rotates, the spraying area can be changed so as to adapt to the measured width; when the spraying assembly rotates to change the spraying area, the ball plug is driven to rotate, the fertilizer outlet flow can be controlled, the situation that the fertilization amount is increased after the spraying area is reduced is avoided, and uniform fertilization is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural equipment, and in particular to a precision spraying liquid manure returning equipment to fields. Background Art

[0002] Liquid manure return equipment is an agricultural machinery used to apply processed liquid manure to farmland. This equipment helps to improve fertilizer utilization, reduce environmental pollution, and promote sustainable agricultural production; it mainly includes a liquid storage tank for storing liquid manure; some equipment is equipped with a heating system to prevent liquid manure from freezing in winter. The pump system pumps the liquid manure in the storage tank to the spraying system. The choice of pump should be determined according to the characteristics of the liquid manure (such as viscosity, particle size). The spraying system includes a nozzle and a spray bar, which is responsible for spraying the liquid manure evenly into the farmland. The design of the nozzle needs to consider the atomization effect and the spraying range to ensure uniform fertilization. The travel system usually includes a suspension system and a drive system. The suspension system ensures that the equipment stably follows the movement of the vehicle. The drive system can be selected as traction or self-propelled, depending on the farmland conditions and operation requirements.

[0003] Nowadays, the width of the liquid manure return equipment spraying component is fixed, and the spraying area is certain, but farmland is generally irregular. Therefore, for irregular farmland, the same spraying method will cause excessive fertilization in irregular areas or incomplete fertilization, so the entire farmland is unevenly fertilized. Summary of the invention

[0004] In view of the deficiencies in the prior art, the object of the present invention is to provide a precision spraying liquid manure returning equipment to the field, which can solve the existing problems.

[0005] In order to achieve the above object, the technical solution of the present invention is as follows:

[0006] The present invention is realized through the following technical scheme: a precision spraying liquid manure returning equipment to the field, comprising a storage tank, a base is provided at the bottom end of the storage tank, a water pump is provided inside the storage tank, the end of the base is rotatably connected to two support assemblies, and the side of each support assembly is provided with a plurality of spray assemblies; a rotating joint is provided at the top end of the support assembly, and the spray assembly is connected to the rotating joint through the support assembly; the rotating joint comprises a joint body, a ball plug, an inlet, an outlet and a connecting pipe; one end of the connecting pipe is connected to the water pump, and the other end of the connecting pipe is connected to the joint body; the joint body is rotatably connected to the ball plug, and the surface of the ball plug An inlet with a triangular cross-section is provided; an outlet is provided at the bottom end of the ball plug, and the inlet is connected to the outlet; the bottom end of the joint body is rotatably connected to a support assembly, and the ball plug is fixed to the support assembly; a motor 1 is provided inside the base, and an output end of the motor 1 is connected to the support assembly; a measuring assembly is provided on the side of the support assembly, and the measuring assembly and the motor 1 are connected to a controller; the measuring assembly measures the width of an area to be sprayed, and the controller starts the motor 1 according to the width of the area to be sprayed, thereby changing the spraying area of ​​the spray assembly; when the motor 1 is started, it can drive the ball plug to rotate, so as to change the incoming flow rate of the inlet.

[0007] The support assembly includes a vertical rod, a delivery pipe, an oblique support rod, a connecting rod and an extension rod; the delivery pipe adopts an "L"-shaped cross-section structure, and the delivery pipe is rotatably connected to the base; the top end of the delivery pipe is connected to the joint body, and the bottom end of the delivery pipe is connected to the spray assembly; the side of the delivery pipe is fixed with an oblique support rod, and the oblique support rod and the delivery pipe are connected by a plurality of vertical rods; the side of the delivery pipe is fixed with a plurality of extension rods; the side of the vertical rod is fixed with a connecting rod.

[0008] The spray assembly comprises a spray pipe and a spray head; the spray pipe is rotatably connected to the extension rod, and the end of the spray pipe is connected to the spray head.

[0009] The spray assembly also includes a baffle and a blocking plate; the side of the spray pipe is rotatably connected to the baffle, and the cross-section of the baffle adopts a "7"-shaped structure; a blocking plate is fixed inside the baffle, and the blocking plate is cooperatively connected to the spray head.

[0010] The side of the baffle is rotatably connected with an adjusting assembly, and the adjusting assembly is used to adjust the angle of rotation of the baffle around the spray pipe.

[0011] The adjustment assembly includes a rotating handle, a movable rod, a screw rod, a top plate, a cross bar and a limit plate; a limit plate is fixed to the side of the connecting rod, and a plurality of movable rods are inserted and connected to the limit plate; the bottom end of the movable rod is rotatably connected to the baffle plate; the top ends of the movable rods are connected by a cross bar, and the two ends of the cross bar are connected to the top plate; the two ends of the limit plate are threadedly connected to the screw rod, and a rotating handle is provided at the bottom end of the screw rod; the top end of the screw rod is adapted to the top plate.

[0012] A bracket with a "T"-shaped cross section is fixed to the side of the rotary joint, and the bracket is fixed to the top of the base.

[0013] An input pipe is provided at the top of the storage tank, and a cover plate is provided at the top of the input pipe; the bottom end of the input pipe is connected to a filter assembly.

[0014] The filter assembly includes a tooth plate, a filter plate and a central axis; the filter plate adopts a spherical structure, and the outside of the filter plate is provided with a ring-shaped tooth plate; the center of the filter plate passes through a central axis; a slide groove is provided on the side wall of the input pipe, and the slide groove is connected to the central axis; the tooth plate is connected to the rotating assembly.

[0015] The rotating assembly includes a second motor, a rotating shaft and a gear; the second motor is arranged on the outside of the storage tank, and the output end of the second motor is connected to the rotating shaft; the rotating shaft passes through the storage tank, and the rotating shaft is connected to the gear; the gear is cooperatively connected to the gear plate.

[0016] Compared with the prior art, the beneficial effects of the present invention include:

[0017] The precision spraying liquid manure returning equipment for returning to the field of the present invention can measure the width of the area to be sprayed in the farmland according to the measuring component, especially the width of the area to be sprayed at the edge, and can rotate the supporting component according to the width of the area to be sprayed, thereby driving the spraying component to rotate. When the spraying component rotates, the spraying area can be changed to adapt to the measured width; when the spraying component rotates to change the spraying area, it drives the ball plug to rotate, which can control the fertilizer flow rate, avoid increasing the fertilizer amount after the spraying area is reduced, and ensure uniform fertilization.

[0018] The filter assembly of the present invention can filter liquid manure when manure is input. The filter assembly can rotate during filtering to increase the stirring force of the manure and avoid local blockage of the filter assembly causing poor manure discharge. At the same time, when replacing the filter assembly with a special structure, only the cover plate needs to be opened, and the replacement operation is simple and the cost is low.

[0019] The spray components of the present invention are independently designed. When in use, each spray component can be pushed to rotate to avoid obstacles when encountering obstacles, which has little impact on the entire equipment. In addition, the nozzle can be blocked with a blocking plate after spraying is completed, which on the one hand prevents the fecal water in the spray pipe and the nozzle from flowing out and affecting the environment, and on the other hand protects the nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The disclosure of the present invention is described with reference to the accompanying drawings. It should be understood that the drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In the drawings, the same reference numerals are used to refer to the same components. Among them:

[0021] Figure 1 This is a schematic diagram of the overall structure of a precision spraying liquid manure returning equipment to the field according to the present invention;

[0022] Figure 2 It is a schematic diagram of the side cross-sectional structure of an implementation case of the present invention;

[0023] Figure 3 This is a schematic diagram of the rotary joint structure of an embodiment of the present invention;

[0024] Figure 4 This is an implementation case of the present invention Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0025] Figure 5 This is a schematic diagram of the structure of a spray assembly in an embodiment of the present invention;

[0026] Figure 6 This is a schematic diagram of the internal structure of a storage tank in an implementation case of the present invention;

[0027] Figure 7 This is a schematic diagram of the structure of the filtering component of the embodiment of the present invention;

[0028] Figure 8 This is a schematic diagram of the structure when the present invention is used in an implementation case;

[0029] Explanations in the figure: 1. Storage tank; 11. Input pipe; 12. Slide; 13. Cover plate; 14. Water pump; 2. Base; 21. Motor 1; 22. Bracket; 3. Support assembly; 31. Vertical rod; 32. Delivery pipe; 33. Diagonal support rod; 34. Connecting rod; 35. Extension rod; 4. Spraying assembly; 41. Baffle; 42. Spraying pipe; 43. Spraying head; 44. Blocking plate; 5. Adjustment assembly; 51. Rotating handle; 52. Movable rod; 53. Screw rod; 54. Top plate; 55. Cross bar; 56. Limit plate; 6. Measuring assembly; 7. Rotating joint; 71. Joint body; 72. Ball plug; 73. Inlet; 74. Outlet; 75. Connecting pipe; 8. Filter assembly; 81. Tooth plate; 82. Filter plate; 83. Middle shaft; 9. Rotating assembly; 91. Motor 2; 92. Rotating shaft; 93. Gear. DETAILED DESCRIPTION

[0030] It is easy to understand that according to the technical solution of the present invention, without changing the essential spirit of the present invention, a person skilled in the art can propose a variety of interchangeable structural modes and implementation modes. Therefore, the following specific implementation modes and drawings are only exemplary descriptions of the technical solution of the present invention, and should not be regarded as the whole of the present invention or as a limitation or restriction to the technical solution of the present invention.

[0031] A precision spraying liquid manure returning equipment, such as Figure 1 As shown, it includes a storage tank 1, which is used to store liquid manure; a base 2 is provided at the bottom of the storage tank 1, and the base 2 is used for overall installation, and is exemplarily installed on an agricultural vehicle to facilitate overall movement; and a water pump 14 is provided inside the storage tank 1, and the end of the base 2 is rotatably connected to two support assemblies 3, and each side of the support assembly 3 is provided with a plurality of spray assemblies 4; a rotary joint 7 is provided at the top of the support assembly 3, and the spray assembly 4 is connected to the rotary joint 7 through the support assembly 3; the rotary joint 7 includes a joint body 71, a ball plug 72, an inlet 73, an outlet 74 and a connecting pipe 75; one end of the connecting pipe 75 is connected to the water pump 14, and the other end of the connecting pipe 75 is connected to the joint body 71; the joint body 71 is rotatably connected to the ball plug 72, and the surface of the ball plug 72 is provided with an inlet 73 with a triangular cross-section; the bottom end of the ball plug 72 is provided with an outlet 74, and the inlet 73 is connected to the outlet 74; the bottom end of the joint body 71 is rotatably connected to the support assembly 3, and the ball plug 72 is fixed to the support assembly 3; the base 2 is provided with a motor 21 inside, such as Figure 2As shown, the output end of the motor 21 is connected to the support assembly 3; the side of the support assembly 3 is provided with a measuring assembly 6, and the measuring assembly 6 and the motor 21 are connected to the controller; the measuring assembly 6 measures the width of the area to be sprayed, and the controller starts the motor 21 according to the width of the area to be sprayed, thereby changing the spraying area of ​​the spray assembly 4; when the motor 21 is started, it can drive the ball plug 72 to rotate to change the incoming flow of the inlet 73. Exemplarily, the measuring assembly 6 includes a laser radar (LiDAR) or a camera and computer vision; wherein the laser radar (LiDAR) calculates the distance by emitting a laser beam and measuring the time it takes for it to reflect back. It can provide high-precision three-dimensional images with high accuracy and is suitable for long-distance detection. The camera and computer vision use the camera to capture images and analyze the width of the sprayed farmland in the image through a computer vision algorithm; combined with deep learning technology, the edge of the farmland can be identified more accurately.

[0032] When in use, for example, the two support components 3 are in a fully open state, at which time the maximum spraying width is achieved. At the same time, the largest inlet 73 of the ball plug 72 is aligned with the connecting pipe 75, and the spraying flow rate is in a maximum state, which can meet the maximum spraying area. The spraying width in the forward area is measured by the measuring component 6. If one side is an edge area, the edge area is irregular, and the area to be sprayed is reduced. At this time, the measuring component 6 determines that the width of the area to be sprayed on the front side needs to be reduced after measurement. When the area is about to be reached, the motor 1 21 is started. When the motor 1 21 is started, it drives the support component 3 on that side to rotate, reducing the spraying area. When the support component 3 rotates, it can drive the ball plug 72 to rotate synchronously. When the ball plug 72 rotates, the inlet 73 is reduced, and the spraying flow rate is reduced to adapt to the reduction in the spraying area. That is, if the flow rate is not changed, when the support component 3 rotates, the spraying area is reduced, and the amount of fertilizer in the area increases, resulting in uneven fertilization. Therefore, the spraying flow rate is changed synchronously when the support component 3 rotates.

[0033] The precision spraying liquid manure returning equipment for returning to the field of the present invention can measure the width of the area to be sprayed in the farmland according to the measuring component 6, especially the width of the area to be sprayed at the edge, and can rotate the supporting component 3 according to the width of the area to be sprayed, thereby driving the spraying component 4 to rotate. When the spraying component 4 rotates, the spraying area can be changed to adapt to the measured width; when the spraying component 4 rotates to change the spraying area, it drives the ball plug 72 to rotate, which can control the fertilizer flow rate, avoid the increase of fertilizer amount after the spraying area is reduced, and ensure uniform fertilization.

[0034] The support assembly 3 includes a vertical rod 31, a delivery pipe 32, an oblique support rod 33, a connecting rod 34 and an extension rod 35; the delivery pipe 32 adopts an "L"-shaped structure in cross section, and the delivery pipe 32 is rotatably connected to the base 2; the top end of the delivery pipe 32 is connected to the joint body 71, and the bottom end of the delivery pipe 32 is connected to the spray assembly 4; the side of the delivery pipe 32 is fixed with an oblique support rod 33, and the oblique support rod 33 and the delivery pipe 32 are connected by a plurality of vertical rods 31; the side of the delivery pipe 32 is fixed with a plurality of extension rods 35; the side of the vertical rod 31 is fixed with a connecting rod 34.

[0035] like Figure 5 As shown, the spray assembly 4 includes a spray pipe 42 and a nozzle 43; the spray pipe 42 is rotatably connected to the extension rod 35, and the end of the spray pipe 42 is connected to the nozzle 43. In order to prevent the liquid manure from being blown away by the wind during spraying and affecting fertilization, the spray assembly 4 also includes a baffle 41 and a blocking plate 44; the side of the spray pipe 42 is rotatably connected to the baffle 41, and the cross-section of the baffle 41 adopts a "7"-shaped structure; the baffle 41 is used to block the wind to prevent fertilization from being affected by strong winds; a blocking plate 44 is fixed inside the baffle 41, and the blocking plate 44 is connected to the nozzle 43. The blocking plate 44 is used to block the nozzle 43 when fertilization is not being applied, so as to prevent the residual liquid fertilizer in the spray pipe 42 and the nozzle 43 from flowing out when not in use and affecting the environment.

[0036] In order to adjust whether the blocking plate 44 is used according to the demand, the side of the baffle 41 is rotatably connected with an adjustment component 5, and the adjustment component 5 is used to adjust the rotation angle of the baffle 41 around the spray pipe 42; the adjustment component 5 includes a rotating handle 51, a movable rod 52, a screw rod 53, a top plate 54, a cross bar 55 and a limit plate 56; Figure 4 As shown, a limiting plate 56 is fixed to the side of the connecting rod 34, and a plurality of movable rods 52 are inserted and connected to the limiting plate 56; the bottom end of the movable rod 52 is rotatably connected to the baffle 41; the top ends of the movable rods 52 are connected by a cross bar 55, and the two ends of the cross bar 55 are connected to the top plate 54; the two ends of the limiting plate 56 are threadedly connected to the screw rod 53, and the bottom end of the screw rod 53 is provided with a rotating handle 51; the top end of the screw rod 53 is adapted to the top plate 54; when the nozzle 43 needs to be used, the screw 53 is rotated by rotating the handle 51 to rotate the movable rod 52 to drive the baffle to rotate, and at the same time, the blocking plate 44 presses the spray pipe 42 to rotate, so that the movable rod 52 rises, and at this time the blocking plate 44 can be rotated away from the nozzle 43 to facilitate the use of the nozzle 43 for spraying.

[0037] In order to fix the rotary joint 7 , a bracket 22 with a “T”-shaped cross section is fixed to the side of the rotary joint 7 , and the bracket 22 is fixed to the top of the base 2 .

[0038] In order to filter the liquid manure in the storage tank 1 and avoid clogging the water pump 14 or the nozzle 43, an input pipe 11 is provided at the top of the storage tank 1, and a cover plate 13 is provided at the top of the input pipe 11; the bottom end of the input pipe 11 is connected to the filter assembly 8, as shown in FIG. Figure 6 The filter assembly 8 comprises a tooth plate 81, a filter plate 82 and a central shaft 83; Figure 7 As shown, the filter plate 82 adopts a spherical structure, and the outside of the filter plate 82 is provided with a ring-shaped tooth plate 81; the center of the filter plate 82 is penetrated by a central axis 83; the side wall of the input pipe 11 is provided with a slide groove 12, and the slide groove 12 is matched with the central axis 83; the tooth plate 81 is matched with the rotating assembly 9. The rotating assembly 9 includes a second motor 91, a rotating shaft 92 and a gear 93; the second motor 91 is arranged outside the storage tank 1, and the output end of the second motor 91 is connected to the rotating shaft 92; the rotating shaft 92 penetrates the storage tank 1, and the rotating shaft 92 is connected to the gear 93; the gear 93 is matched with the tooth plate 81.

[0039] When in use, by opening the cover plate 13, aligning the central axis 83 with the slide groove 12, the filter assembly 8 is pressed to the bottom of the input pipe 11, at this time, the tooth plate 81 is engaged with the gear 93, and the motor 2 91 is started. When the motor 2 91 is started, it can drive the gear 93 to rotate, thereby driving the filter assembly 8 to rotate. When liquid manure is input into the input pipe 11, the rotating filter assembly 8 filters the manure.

[0040] The filter assembly 8 of the present invention can filter liquid manure when manure is input. The filter assembly 8 can rotate during filtering to increase the stirring force of the manure and avoid local blockage of the filter assembly 8 causing poor manure discharge. At the same time, when replacing the filter assembly 8 with a special structure, only the cover plate 13 needs to be opened, and the replacement operation is simple and the cost is low.

[0041] When the present invention is used, firstly, liquid manure is poured into the storage tank 1 through the input pipe 11. Before pouring manure, the filter assembly 8 is installed first. When installing, the central axis 83 of the filter assembly 8 is aligned with the slide groove 12, and the filter assembly 8 is pressed to the bottom of the input pipe 11. At this time, the tooth plate 81 is meshed with the gear 93 to complete the installation of the filter assembly 8. Then, liquid manure is input and the motor 2 91 is started at the same time. When the motor 2 91 is started, it can drive the gear 93 to rotate, thereby driving the filter assembly 8 to rotate. When the liquid manure is input through the input pipe 11, the rotating filter assembly 8 filters the manure;

[0042] The whole device is placed on agricultural machinery for fertilization. Figure 8As shown, the two support assemblies 3 are in a fully open state, at which time the spraying width is the maximum. At the same time, the largest inlet 73 of the ball plug 72 is aligned with the connecting pipe 75, and the spraying flow rate is in a maximum state, which can meet the maximum spraying area. The spraying width in the forward area is measured by the measuring component 6. If one side is an edge area, the edge area is irregular and the area to be sprayed is reduced. At this time, the measuring component 6 determines after measurement that the width of the area to be sprayed on the front side needs to be reduced. When the area is about to be reached, the motor 21 is started. When the motor 21 is started, it drives the support assembly 3 on that side to rotate to reduce the spraying area. When the support assembly 3 rotates, it can drive the ball plug 72 to rotate synchronously. When the ball plug 72 rotates, the inlet 73 is reduced, and the spraying flow rate is reduced to adapt to the reduction in the spraying area.

[0043] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0044] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0045] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0046] The technical scope of the present invention is not limited to the contents in the above description. Those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical idea of ​​the present invention, and these deformations and modifications should all fall within the protection scope of the present invention.

Claims

1. A precision spraying liquid manure returning equipment, characterized by: The invention comprises a storage tank (1), wherein a base (2) is provided at the bottom end of the storage tank (1), and a water pump (14) is provided inside the storage tank (1); the end of the base (2) is rotatably connected to two support assemblies (3), and the side of each support assembly (3) is provided with a plurality of spray assemblies (4); a rotating joint (7) is provided at the top end of the support assembly (3), and the spray assembly (4) is connected to the rotating joint (7) through the support assembly (3); the rotating joint (7) comprises a joint body (71), a ball plug (72), an inlet (73), an outlet (74) and a connecting pipe (75); one end of the connecting pipe (75) is connected to the water pump (14), and the other end of the connecting pipe (75) is connected to the joint body (71); the joint body (71) is rotatably connected to the ball plug (72), and the surface of the ball plug (72) is provided with a cross-section having a triangular structure. The bottom end of the ball plug (72) is provided with an outlet (74), and the inlet (73) is in communication with the outlet (74); the bottom end of the joint body (71) is rotatably connected to the support assembly (3), and the ball plug (72) is fixed to the support assembly (3); a motor (21) is provided inside the base (2), and the output end of the motor (21) is connected to the support assembly (3); a measuring assembly (6) is provided on the side of the support assembly (3), and the measuring assembly (6) and the motor (21) are connected to a controller; the measuring assembly (6) measures the width of the area to be sprayed, and the controller starts the motor (21) according to the width of the area to be sprayed, thereby changing the area sprayed by the spray assembly (4); when the motor (21) is started, it can drive the ball plug (72) to rotate, so as to change the inlet flow rate of the inlet (73).

2. The precise spraying liquid manure returning equipment according to claim 1 is characterized by: The support assembly (3) comprises a vertical rod (31), a delivery pipe (32), an oblique support rod (33), a connecting rod (34) and an extension rod (35); the delivery pipe (32) has an "L"-shaped cross-section, and the delivery pipe (32) is rotatably connected to the base (2); the top end of the delivery pipe (32) is connected to the joint body (71), and the bottom end of the delivery pipe (32) is connected to the spray assembly (4); the side of the delivery pipe (32) is fixed with an oblique support rod (33), and the oblique support rod (33) and the delivery pipe (32) are connected via a plurality of vertical rods (31); the side of the delivery pipe (32) is fixed with a plurality of extension rods (35); and the side of the vertical rod (31) is fixed with a connecting rod (34).

3. The precise spraying liquid manure returning equipment according to claim 2 is characterized by: The spray assembly (4) comprises a spray pipe (42) and a spray head (43); the spray pipe (42) is rotatably connected to the extension rod (35), and the end of the spray pipe (42) is connected to the spray head (43).

4. The precise spraying liquid manure returning equipment according to claim 3 is characterized by: The spray assembly (4) further comprises a baffle (41) and a blocking plate (44); the side of the spray pipe (42) is rotatably connected to the baffle (41), and the cross section of the baffle (41) adopts a "7"-shaped structure; the baffle (41) is fixed with a blocking plate (44) inside, and the blocking plate (44) is cooperatively connected to the spray head (43).

5. The precise spraying liquid manure returning equipment according to claim 4 is characterized by: The side of the baffle (41) is rotatably connected to an adjustment component (5), and the adjustment component (5) is used to adjust the angle of rotation of the baffle (41) around the spray pipe (42).

6. The precise spraying liquid manure returning equipment according to claim 5 is characterized by: The adjustment assembly (5) comprises a rotating handle (51), a movable rod (52), a screw rod (53), a top plate (54), a cross rod (55) and a limiting plate (56); a limiting plate (56) is fixed to the side of the connecting rod (34), and a plurality of movable rods (52) are inserted and connected to the limiting plate (56); the bottom end of the movable rod (52) is rotatably connected to the baffle plate (41); the top ends of the movable rods (52) are connected by a cross rod (55), and the two ends of the cross rod (55) are connected to the top plate (54); the two ends of the limiting plate (56) are threadedly connected to the screw rod (53), and the bottom end of the screw rod (53) is provided with a rotating handle (51); the top end of the screw rod (53) is adapted to the top plate (54).

7. The precise spraying liquid manure returning equipment according to claim 1 is characterized by: A bracket (22) with a T-shaped cross section is fixed to the side of the rotary joint (7), and the bracket (22) is fixed to the top of the base (2).

8. The precise spraying liquid manure returning equipment according to claim 1 is characterized by: An input pipe (11) is provided at the top of the storage tank (1), and a cover plate (13) is provided at the top of the input pipe (11); the bottom end of the input pipe (11) is cooperatively connected to a filter assembly (8).

9. The precise spraying liquid manure returning equipment according to claim 8, characterized in that: The filter assembly (8) comprises a tooth plate (81), a filter plate (82) and a central axis (83); the filter plate (82) is of a spherical structure, and the outside of the filter plate (82) is provided with tooth plates (81) arranged in a ring shape; the center of the filter plate (82) is penetrated by a central axis (83); a sliding groove (12) is provided on the side wall of the input pipe (11), and the sliding groove (12) is cooperatively connected to the central axis (83); the tooth plate (81) is cooperatively connected to the rotating assembly (9).

10. The precise spraying liquid manure returning equipment according to claim 9, characterized in that: The rotating assembly (9) comprises a second motor (91), a rotating shaft (92) and a gear (93); the second motor (91) is arranged outside the storage tank (1), and the output end of the second motor (91) is connected to the rotating shaft (92); the rotating shaft (92) passes through the storage tank (1), and the rotating shaft (92) is connected to the gear (93); the gear (93) is connected to the gear plate (81).

Images