Pump device of agricultural plant protection machine and agricultural plant protection machine

Abstract

The agricultural plant protection machine comprises a multi-stage booster pump, the multi-stage booster pump comprises an anti-collision shell, a water pump connector is installed at the upper end of the anti-collision shell, two flow guide holders are fixedly installed on the inner side of the anti-collision shell, a water inlet end is arranged on one side of one flow guide holder, a water outlet end is arranged on the other side of the other flow guide holder, and a water outlet end is arranged on the other side of the other flow guide holder. A water inlet end is arranged on one side of one flow guide retaining seat, a water outlet end is arranged on one side of the other flow guide retaining seat and located above the water inlet end, a transmission shaft is rotatably connected to the inner sides of the two flow guide retaining seats, a transmission motor is mounted at the upper end of the transmission shaft, and a connecting seat is mounted between the transmission motor and the other flow guide retaining seat. And a limiting sleeve is mounted on the inner side of the connecting seat. According to the utility model, the pump of the unmanned aerial vehicle is subjected to multi-stage pressurization operation, so that the stable liquid output pressure can be effectively kept, the spraying effect is further improved, and the liquid output pressure can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of pumps, in particular to a pump device of an agricultural plant protection machine and the agricultural plant protection machine. Background Art

[0002] As the name suggests, unmanned plant protection drones are unmanned aircraft used for agricultural and forestry plant protection operations. These drones consist of a flight platform, GPS flight control, and a spraying mechanism. Spraying operations are performed via ground-based remote control or GPS flight control. The pump in an agricultural plant protection drone is a key component. It is typically used to extract and transport liquid pesticides, ensuring they are evenly and efficiently sprayed onto crops. Pumps in agricultural plant protection drones are typically diaphragm or plunger pumps, characterized by high pressure, stable flow, and corrosion resistance.

[0003] The pump used for spraying on existing drones is affected by the composition of the spraying liquid during use, resulting in unstable pressurization effect, which in turn affects the spraying effect, and it is inconvenient to control the pump pressure of the liquid; therefore, it does not meet existing needs. In this regard, we propose a pump device and an agricultural plant protection machine for an agricultural plant protection machine. Utility Model Content

[0004] The purpose of the present utility model is to provide a pump device and an agricultural plant protection machine to solve the problem in the above background technology that the pump used for spraying on the existing drone is affected by the composition of the spraying liquid during use, the pressurization effect is unstable, which in turn affects the spraying effect, and it is inconvenient to control the pumping pressure of the liquid.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pump device of an agricultural plant protection machine, comprising a multi-stage booster pump, the multi-stage booster pump comprising a crash shell, a water pump connector being installed on the upper end of the crash shell, two diversion retaining seats being fixedly installed on the inner side of the crash shell, one side of the diversion retaining seat being provided with a water inlet end, and one side of the other diversion retaining seat being provided with a water outlet end, the water outlet end being located above the water inlet end, a transmission shaft being rotatably connected to the inner sides of the two diversion retaining seats, a transmission motor being installed on the upper end of the transmission shaft, a connecting seat being installed between the transmission motor and the other diversion retaining seat, a limiting sleeve being installed on the inner side of the connecting seat, and a sealing sleeve being installed between one of the diversion retaining seats and the transmission shaft;

[0006] A plurality of boosting and conveying units are installed on the outer side of the middle part of the transmission shaft. The boosting and conveying units include a guide ring. The inner side of the guide ring is rotatably connected to a boosting impeller. The lower end surface of the boosting impeller is installed with a centrifugal disk.

[0007] Preferably, a plurality of studs are installed between the two flow guide retaining seats, both ends of the studs are connected to the two flow guide retaining seats through threads, and a sealing gasket is provided between each two adjacent boost delivery units.

[0008] Preferably, the bottom end of the water pump connector passes through the upper end of the anti-collision shell and is connected to the water outlet end. A guide gap is provided between the guide ring and the transmission shaft, and the water inlet end and the water outlet end are connected through multiple guide gaps.

[0009] Preferably, the transmission motor is fixedly connected to the diversion retaining seat through a connecting seat, the limiting sleeve is connected to the connecting seat through a thread, bearings are provided between the limiting sleeve and the sealing sleeve and the two diversion retaining seats, and both ends of the transmission shaft are rotatably connected to the two diversion retaining seats through bearings.

[0010] Preferably, every two adjacent guide rings are installed by plugging with pins, the booster impeller is fixedly connected to the centrifugal disk, and the transmission shaft is connected to the plurality of centrifugal disks by flat keys.

[0011] An agricultural plant protection machine includes a frame body, a plurality of support arm rotors are installed on the outside of the frame body, two support frames are fixedly installed on the lower end surface of the frame body, a liquid storage tank is fixedly installed on the inside of the frame body, a multi-stage booster pump is fixedly installed on one side of the liquid storage tank, and one end of the water inlet end passes through the bottom end of the anti-collision shell and is connected to the liquid storage tank.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model drives the transmission motor through the transmission shaft to synchronously drive multiple centrifugal discs and boost impellers to rotate clockwise on the inner side of the guide ring, thereby drawing the liquid inside the liquid storage tank into the guide gap between the guide ring and the transmission shaft through the water inlet end. The liquid is then centrifuged by the centrifugal discs and pressurized and guided by the boost impellers in sequence, thereby facilitating rapid pressurization operation through the boost delivery unit and avoiding the influence of liquid composition during pressurization.

[0014] 2. The utility model arranges multiple boosting and delivery units linearly along the axis of the transmission shaft, and then can perform multi-stage boosting operation on the liquid through multiple boosting and delivery units, and then pumps it out through the water outlet and the water pump connector. The frame body drives the liquid storage tank and the multi-stage boosting pump to fly through multiple support arm rotors to achieve spraying of crops. By performing multi-stage boosting operation on the UAV pump, the pressure of the liquid output can be effectively maintained stable, thereby improving the spraying effect, and the pressure of the liquid output can be adjusted by adjusting the number of boosting and delivery units. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall structure schematic view of the utility model;

[0016] Figure 2 It is the overall installation structure schematic view of the utility model;

[0017] Figure 3 It is the installation structure schematic view of the utility model's pressurization conveying unit;

[0018] Figure 4 It is the cross section structure schematic view of the utility model's pressurization conveying unit;

[0019] Figure 5 It is the explosion structure schematic view of the utility model's pressurization conveying unit.

[0020] In the drawing: 1, rack main body;2, support arm rotor;3, support frame;4, liquid storage tank;5, anti-collision shell;6, water pump connector;7, transmission motor;8, flow guide retaining seat;9, stud;10, water inlet end;11, water outlet end;12, pressurization conveying unit;13, connecting seat;14, transmission shaft;15, sealing sleeve;16, limit sleeve;17, flow guide ring;18, pressurization impeller;19, centrifugal disc. Specific implementation

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] The transmission motor 7 (model GV50-3.7KW-60-S) mentioned in the utility model can be obtained from market purchase or private customization.

[0023] Please refer to Figures 2 to 4 The utility model provides an embodiment: a pump device of agricultural plant protection machine, including multistage pressurization pump, multistage pressurization pump includes anti -collision shell 5, the upper end of anti -collision shell 5 is installed with water pump connector 6, and the inboard of anti -collision shell 5 is fixedly installed with two flow guide retaining seats 8, and a plurality of studs 9 are installed between the two flow guide retaining seats 8, and the two ends of the plurality of studs 9 are connected with the two flow guide retaining seats 8 through threads, one side of one flow guide retaining seat 8 is equipped with water inlet end 10, and one side of another flow guide retaining seat 8 is equipped with water outlet end 11, the bottom end of water pump connector 6 penetrates the upper end of anti -collision shell 5 and is connected with water outlet end 11, water outlet end 11 is located above water inlet end 10, one transmission shaft 14 is rotatably connected to the inboard of the two flow guide retaining seats 8, a plurality of pressurization conveying units 12 are installed to the outside of the middle part of transmission shaft 14, and transmission motor 7 is installed to the upper end of transmission shaft 14, so that transmission motor 7 drives a plurality of pressurization conveying units 12 to operate synchronously through transmission shaft 14;

[0024] The connecting seat 13 is internally provided with a limiting sleeve 16, and the transmission motor 7 and the flow guide retaining seat 8 are fixedly connected through the connecting seat 13. One of the flow guide retaining seats 8 is internally provided with a sealing sleeve 15, and the limiting sleeve 16 and the sealing sleeve 15 are both provided with bearings between the two flow guide retaining seats 8. The two ends of the transmission shaft 14 are rotatably connected to the two flow guide retaining seats 8 through the bearings, and the two flow guide retaining seats 8 can effectively keep the shaft end of the transmission shaft 14 stable during rotation.

[0025] Please refer to Figure 4 and Figure 5 The sealing pad is arranged between each adjacent two booster conveying units 12. The booster conveying unit 12 comprises a flow guide ring 17, and the flow guide ring 17 is provided with a flow guide gap between the transmission shaft 14. The water inlet end 10 and the water outlet end 11 are connected through the plurality of flow guide gaps. The inner side of the flow guide ring 17 is rotatably connected with a booster impeller 18, and the lower end surface of the booster impeller 18 is provided with a centrifugal disc 19. Each adjacent two flow guide rings 17 are connected through pin insertion. The booster impeller 18 is fixedly connected with the centrifugal disc 19. The transmission shaft 14 is connected with the plurality of centrifugal discs 19 through a flat key. The liquid is sequentially subjected to centrifugation by the centrifugal disc 19 and pressure boosting by the booster impeller 18. The plurality of booster conveying units 12 can perform multi-stage pressure boosting operation on the liquid.

[0026] Please refer to Figure 1 and 2 The agricultural plant protection machine comprises a rack main body 1, a plurality of support arm rotors 2 are arranged on the outer side of the rack main body 1, two support frames 3 are fixedly arranged on the lower end surface of the rack main body 1, a liquid storage tank 4 is fixedly arranged on the inner side of the rack main body 1, a multi-stage booster pump is fixedly arranged on one side of the liquid storage tank 4, one end of the water inlet end 10 penetrates through the bottom end of the anti-collision shell 5 and is connected with the liquid storage tank 4, and the rack main body 1 drives the liquid storage tank 4 and the multi-stage booster pump to fly through the plurality of support arm rotors 2, thereby realizing spraying on crops.

[0027] In use, the multi-stage booster pump is arranged on one side of the liquid storage tank 4, so that the multi-stage booster pump is connected with the rack main body 1 through the liquid storage tank 4. The power supply is turned on, one end of the water inlet end 10 is connected with the liquid storage tank 4, and one end of the water outlet end 11 is connected with the water pump connecting head 6. The transmission motor 7 is started, so that the transmission motor 7 drives the plurality of centrifugal discs 19 and the booster impeller 18 to rotate clockwise in the inner side of the flow guide ring 17 through the transmission shaft 14 under the support of the connecting seat 13, and then the liquid in the liquid storage tank 4 is extracted into the flow guide gap between the flow guide ring 17 and the transmission shaft 14 through the water inlet end 10.

[0028] The liquid is then centrifuged through the centrifugal disc 19 and pressurized and diverted by the booster impeller 18 in turn, which facilitates rapid pressurization operation through the booster delivery unit 12. Multiple booster delivery units 12 are linearly arranged along the axis of the transmission shaft 14, and then the liquid can be multi-stage pressurized through multiple booster delivery units 12. The liquid is then pumped out through the water outlet 11 and the water pump connector 6, and the crops are sprayed in the process of the frame body 1 driving the liquid storage tank 4 and the multi-stage booster pump to fly through multiple support arm rotors 2.

[0029] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A pump device for an agricultural plant protection machine, comprising a multi-stage booster pump, characterized in that: The multi-stage booster pump comprises a crash shield (5), a water pump connector (6) is mounted on the upper end of the crash shield (5), two flow guide retaining seats (8) are fixedly mounted on the inner side of the crash shield (5), one side of the flow guide retaining seat (8) is provided with a water inlet end (10), and the other side of the flow guide retaining seat (8) is provided with a water outlet end (11), the water outlet end (11) is located above the water inlet end (10), the inner sides of the two flow guide retaining seats (8) are rotatably connected to a transmission shaft (14), the upper end of the transmission shaft (14) is provided with a transmission motor (7), a connecting seat (13) is mounted between the transmission motor (7) and the other flow guide retaining seat (8), a limiting sleeve (16) is mounted on the inner side of the connecting seat (13), and a sealing sleeve (15) is mounted between one of the flow guide retaining seats (8) and the transmission shaft (14); A plurality of boosting and conveying units (12) are installed on the outer side of the middle portion of the transmission shaft (14), and the boosting and conveying units (12) include a guide ring (17). The inner side of the guide ring (17) is rotatably connected to a boosting impeller (18), and the lower end surface of the boosting impeller (18) is installed with a centrifugal disk (19).

2. The pump device of the agricultural plant protection machine according to claim 1, characterized in that: A plurality of stud bolts (9) are installed between the two flow guide retaining seats (8), and both ends of the stud bolts (9) are connected to the two flow guide retaining seats (8) through threads. A sealing gasket is provided between each two adjacent boosting and delivery units (12).

3. The pump device of the agricultural plant protection machine according to claim 1, characterized in that: The bottom end of the water pump connector (6) penetrates the upper end of the anti-collision shell (5) and is connected to the water outlet end (11); a guide gap is provided between the guide ring (17) and the transmission shaft (14); and the water inlet end (10) and the water outlet end (11) are connected via a plurality of guide gaps.

4. The pump device for an agricultural plant protection machine according to claim 1, characterized in that: The transmission motor (7) is fixedly connected to the flow guide retaining seat (8) via a connecting seat (13); the limiting sleeve (16) is connected to the connecting seat (13) via a thread; bearings are provided between the limiting sleeve (16) and the sealing sleeve (15) and the two flow guide retaining seats (8); and both ends of the transmission shaft (14) are rotatably connected to the two flow guide retaining seats (8) via bearings.

5. The pump device for an agricultural plant protection machine according to claim 1, characterized in that: Each adjacent two guide rings (17) are installed by pin insertion, the booster impeller (18) is fixedly connected to the centrifugal disc (19), and the transmission shaft (14) and the plurality of centrifugal discs (19) are connected by flat keys.

6. An agricultural plant protection machine, comprising a frame body (1), characterized in that: A plurality of arm rotors (2) are installed on the outside of the frame body (1), two support frames (3) are fixedly installed on the lower end surface of the frame body (1), a liquid storage tank (4) is fixedly installed on the inside of the frame body (1), and a multi-stage booster pump according to any one of claims 1 to 5 is fixedly installed on one side of the liquid storage tank (4), and one end of the water inlet end (10) passes through the bottom end of the anti-collision shell (5) and is connected to the liquid storage tank (4).

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