Fertilizing device for fruit trees

Abstract

The utility model discloses a fruit tree fertilizing device, which belongs to the technical field of fruit tree fertilizing devices and comprises a cart, and hub components are mounted at two ends of the bottom of the cart respectively. A bracket is mounted at one end of the trolley, and a positive and negative ball screw frame is arranged on the bracket; the two ends of the positive and negative ball screw frame are respectively connected with a fertilizer applying frame through a screw nut pair, and the fertilizer applying frame is semicircular; a plurality of groups of drainage holes are formed in the bottom end of the fertilizing frame at equal intervals. When the two fertilizing frames are close to each other and combined, the whole fertilizing frame is approximately circular, the purpose of fertilizing around the root of a fruit tree is achieved through uniform distribution of the liquid drainage holes, the situation that fertilizer is locally accumulated or intensively applied to a certain area is avoided, and an operator can complete the whole fertilizing operation without adjusting the fertilizing position or direction for many times; and time and labor cost are saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fruit tree fertilization devices, in particular to a fruit tree fertilization device. Background Art

[0002] Fruit trees refer to perennial plants and their rootstocks that can provide edible fruits and seeds. There are many types of fruit trees, such as apple trees, pear trees, citrus trees, etc., which can provide people with rich food resources.

[0003] Fruit tree fertilizer application devices are mechanical equipment or tools used to fertilize fruit trees. Common types include backpack fertilizer applicators and front-hold fertilizer spreaders. Front-hold fertilizer spreaders are mostly installed on small agricultural vehicles or carts. The movement of the vehicle body drives the nozzle of the fertilizer application device to spray fertilizer on the fruit trees.

[0004] When spraying fertilizer on the roots of fruit trees, since the front-hold fertilizer spreader is usually installed in front of a small agricultural vehicle or a cart, the layout and spraying angle of the spraying device are easily restricted by the vehicle structure, which makes it inconvenient to achieve all-round spraying around the roots of the fruit trees, and it is easy to cause local accumulation of fertilizers or concentrate them in a certain area of ​​the fruit trees, resulting in nutrient waste and even damage to the root system of the fruit trees. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the technical problems raised in the background technology, the utility model proposes a fruit tree fertilization device.

[0006] The utility model adopts the following technical scheme to solve the technical problem: a fruit tree fertilizing device according to the utility model comprises a cart, and two groups of wheel hub assemblies are installed at the bottom of the cart; a bracket is installed at one end of the cart, and a positive and negative ball screw frame is fixedly provided on the bracket, and the positive and negative ball screw frame comprises a frame body, a servo motor, a ball screw and a guide rod, and the frame body is fixedly connected to the bracket, the thread rotation directions of the two ends of the ball screw are opposite, the ball screw is rotatably connected to the frame body, the guide rod and the servo motor are fixedly connected to the frame body, the output end of the servo motor is fixedly connected to the ball screw, and a fertilizer frame is threadedly connected to both ends of the ball screw, and the fertilizer frame is semicircular; a plurality of drainage holes are equidistantly arranged at the bottom of the fertilizer frame; spring telescopic rods are fixedly connected to the outer sides of both ends of the fertilizer frame, a connecting plate is fixedly connected to one end of the spring telescopic rod away from the fertilizer frame, and a baffle is fixedly connected between the two connecting plates on the same fertilizer frame; the baffle is arranged corresponding to the shape of the fertilizer frame, and the length of the baffle is greater than the length of the fertilizer frame.

[0007] Preferably, a liquid storage tank and a pump are installed on the upper end of the cart, and the pump is connected to the liquid storage tank through a liquid extraction pipe; a connecting pipe fitting is fixedly connected to the middle part of the bracket, and the pump is connected to the connecting pipe fitting through a pipe body; the connecting pipe fitting is symmetrically connected with two infusion pipes, and a protective plate is installed on the upper end of the fertilizer rack, and the ends of the two infusion pipes away from the connecting pipe fitting are respectively fixedly connected to the two protective plates; an electromagnetic valve and a transmitting end of an infrared counter-radiation sensor are provided at one end of the infusion pipe away from the connecting pipe fitting, and the transmitting end of the infrared counter-radiation sensor and the electromagnetic valve are arranged at the bottom of the protective plate, and a receiving end of the infrared counter-radiation sensor is provided on the side of the fertilization rack close to the infusion pipe.

[0008] Preferably, a stirring rod is rotatably arranged inside the liquid storage tank, and the bottom end of the stirring rod passes through the liquid storage tank and the cart and extends to the bottom of the cart; the hub assembly includes a rotating shaft and a running wheel, the rotating shaft is rotatably connected to the bottom of the cart, and running wheels are installed at both ends of the rotating shaft, a rotating rod is rotatably arranged at the bottom of the cart, a bevel gear set is arranged between one end of the rotating rod and the bottom end of the stirring rod, and a bevel gear set is also arranged between the other end of the rotating rod and the rotating shaft one on the adjacent hub assembly; a first scraper is arranged on both sides of the stirring rod.

[0009] Preferably, a filter plate is installed inside the liquid storage tank; a second scraper is fixedly connected to the stirring rod, and the second scraper is in contact with the surface of the filter plate, and a liquid extraction tube is arranged below the filter plate.

[0010] Preferably, the top end of the liquid storage tank is connected to a liquid inlet pipe.

[0011] Preferably, air holes are provided on the protective plate.

[0012] Preferably, a push frame is installed at one end of the cart, and a rubber sleeve is provided in the middle of the push frame.

[0013] Beneficial effects of the utility model:

[0014] By rotating the ball screws on the forward and reverse ball screw frames, the two fertilizer racks are driven away from each other, and then the cart is pushed to the side of the fruit tree so that the fruit tree is located between the two fertilizer racks. At this time, the ball screws on the forward and reverse ball screw frames are controlled to rotate in the opposite direction to drive the two fertilizer racks closer to each other. When the connecting plates on the two fertilizer racks are in contact, the two fertilizer racks continue to approach each other, which will continue to squeeze the springs on the spring telescopic rods and cause the baffles to stagger with the fertilizer racks. At this time, the fertilizer solution is continuously discharged through multiple groups of drainage holes to fertilize the roots of the fruit trees. When the two groups of fertilizer racks are close, the overall shape is roughly circular, and the drainage holes are evenly distributed to achieve the purpose of fertilizing around the roots of the fruit trees, avoiding local accumulation of fertilizers or concentrated application of fertilizers in a certain area. The operator does not need to adjust the fertilization position or direction many times to complete the entire fertilization operation, saving time and labor costs.

[0015] When the rotating shaft 1 and the walking wheel of the hub assembly are pushed to rotate, the rotating rod can be driven to rotate through the bevel gear set, and the rotating rod drives the stirring rod to rotate through the bevel gear set at the other end. The stirring rod stirs the fertilizer solution in the liquid storage tank to ensure that the fertilizer particles in the solution are evenly distributed and reduce precipitation and agglomeration. The first scrapers on both sides of the stirring rod can scrape off the fertilizer residue on the wall of the liquid storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the components such as the bracket, the fertilizer rack and the connecting plate in the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the fertilizer rack, protective plate, baffle and other components in the utility model;

[0020] Figure 4 It is a stereoscopic diagram of the transfer rod, stirring rod and bevel gear set in the utility model;

[0021] Figure 5 It is a stereoscopic diagram of components such as a liquid storage tank and a stirring rod in the utility model.

[0022] Legend:

[0023] 1. Trolley; 2. Wheel hub assembly; 3. Bracket; 4. Forward and reverse ball screw frame; 5. Fertilizer rack; 6. Drain hole; 7. Spring telescopic rod; 8. Connecting plate; 9. Baffle; 10. Liquid storage tank; 11. Pump; 12. Connecting pipe; 13. Infusion tube; 14. Infrared radiation sensor; 15. Rotating rod; 16. Agitating rod; 17. Bevel gear set; 18. First scraper; 19. Filter plate; 20. Second scraper; 21. Liquid inlet pipe; 22. Protective plate; 23. Air hole. DETAILED DESCRIPTION

[0024] 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.

[0025] Specific examples are given below.

[0026] See also Figure 1-Figure 5 The utility model provides a fruit tree fertilizing device, including a cart 1, a group of wheel hub assemblies 2 are installed at both ends of the bottom of the cart 1, the wheel hub assembly 2 includes a rotating shaft 1 and a walking wheel, the rotating shaft 1 is rotatably connected to the bottom of the cart 1, and the two ends of the rotating shaft 1 are installed with walking wheels; a bracket 3 is installed at one end of the cart 1, and a positive and negative ball screw frame 4 is fixedly provided on the bracket 3, the positive and negative ball screw frame 4 includes a frame body, a servo motor, a ball screw and a guide rod, wherein the frame body is fixedly connected to the bracket 3, the thread rotation directions of the two ends of the ball screw are opposite, the ball screw is rotatably connected to the frame body, the guide rod and the servo motor are fixedly connected to the frame body, the output end of the servo motor is fixedly connected to the ball screw, and the ball screw A fertilizer rack 5 is threadedly connected to both ends of the rod, and the fertilizer rack 5 is arranged in a semicircular shape, and the two fertilizer racks 5 are symmetrically arranged; a plurality of drainage holes 6 are equidistantly provided at the bottom of the fertilizer rack 5; spring telescopic rods 7 are fixedly connected to the outer sides of both ends of the fertilizer rack 5, and a connecting plate 8 is fixedly connected to the end of the spring telescopic rod 7 away from the fertilizer rack 5, the spring telescopic rod 7 includes a fixed end and a telescopic end, a spring is arranged between the fixed end and the telescopic end, the fixed end is fixedly connected to the fertilizer rack 5, the telescopic end is fixedly connected to the connecting plate 8, and a baffle 9 is fixedly connected between the bottom ends of the two connecting plates 8 on the same fertilizer rack 5; the baffle 9 is arranged corresponding to the shape of the fertilizer rack 5, and the length of the baffle 9 is greater than the length of the fertilizer rack 5.

[0027] During operation, the ball screws on the forward and reverse ball screw frames 4 rotate to drive the two fertilizer racks 5 away from each other, and then the cart 1 is pushed to the side of the fruit tree so that the fruit tree is located between the two fertilizer racks 5. At this time, the ball screws on the forward and reverse ball screw frames 4 are controlled to rotate in the opposite direction to drive the two fertilizer racks 5 closer to each other. When the connecting plates 8 on the two fertilizer racks 5 come into contact, the two fertilizer racks 5 continue to approach each other, which will continue to squeeze the springs on the spring telescopic rods 7 and make the baffles 9 staggered from the fertilizer racks 5. At this time, the fertilizer solution passes through multiple sets of drainage. The holes 6 are continuously discharged to fertilize the roots of the fruit trees. When the two groups of fertilizer racks 5 are close to each other, the overall shape is roughly circular, and the drainage holes 6 are evenly distributed to achieve the purpose of fertilizing around the roots of the fruit trees, avoiding local accumulation of fertilizers or concentrated application in a certain area. The operator does not need to adjust the fertilization position or direction many times to complete the entire fertilization operation, saving time and labor costs. After the fertilization is completed, the two fertilizer racks 5 are moved away from each other, and the spring reset on the spring telescopic rod 7 drives the baffle 9 to fit with the fertilizer rack 5 again.

[0028] See also Figure 1-Figure 3A liquid storage tank 10 and a pump 11 are installed at the upper end of the cart 1, and the pump 11 is connected to the liquid storage tank 10 through a liquid extraction pipe; a connecting pipe 12 is fixedly connected to the middle of the bracket 3, and the pump 11 is connected to the connecting pipe 12 through a pipe body; the connecting pipe 12 is symmetrically connected with two infusion pipes 13, and a protective plate 22 is installed at the upper end of the fertilizer rack 5. The ends of the two infusion pipes 13 away from the connecting pipe 12 are fixedly connected to the two protective plates 22 respectively, and the infusion pipes 13 are made of rubber hoses, which can adapt to the movement of the fertilizer rack 5; the end of the infusion pipe 13 away from the connecting pipe 12 is provided with a solenoid valve and an emitting end of an infrared radiation sensor 14, and the emitting end and the solenoid valve are arranged at the bottom of the protective plate 22, and the receiving end of the infrared radiation sensor 14 is provided on the side of the fertilizer rack 5 close to the infusion pipe 13, and the pump 11, the infrared radiation sensor 14 and the solenoid valve are all electrically connected to an external known controller. When the baffle 9 fits the fertilizing rack 5 and blocks the drainage hole 6, the receiving end of the infrared radiation sensor 14 on the fertilizing rack 5 is aligned with the transmitting end of the infrared radiation sensor 14 on the infusion tube 13. At this time, the controller controls the solenoid valve and the pump 11 to open, and the pump 11 draws out the fertilizer solution in the liquid storage tank 10 and pressurizes it into the connecting pipe 12 and the infusion tube 13, so as to achieve the purpose of automatically replenishing fertilizer into the fertilizing rack 5.

[0029] See also Figure 1 , Figure 4 , Figure 5 , a stirring rod 16 is rotatably arranged inside the liquid storage tank 10, and the bottom end of the stirring rod 16 penetrates the liquid storage tank 10 and the cart 1 and extends to the bottom of the cart 1; a rotating rod 15 is rotatably arranged at the bottom of the cart 1, a bevel gear set 17 is arranged between one end of the rotating rod 15 and the bottom end of the stirring rod 16, and a bevel gear set 17 is also arranged between the other end of the rotating rod 15 and the rotating shaft 1 on the adjacent hub assembly 2; a first scraper 18 is arranged on both sides of the stirring rod 16. When the rotating shaft 1 and the running wheel of the hub assembly 2 are rotated, the rotating rod 15 can be driven to rotate through the bevel gear set 17, and the rotating rod 15 can drive the stirring rod 16 to rotate through the bevel gear set 17 at the other end. The stirring rod 16 stirs the fertilizer solution in the liquid storage tank 10 to ensure that the fertilizer particles in the solution are evenly distributed and reduce precipitation and agglomeration. The first scrapers 18 on both sides of the stirring rod 16 can scrape off the fertilizer residue on the tank wall of the liquid storage tank 10.

[0030] See also Figure 1 , Figure 5, a filter plate 19 is installed inside the liquid storage tank 10; a second scraper 20 is fixedly connected to the stirring rod 16, and the second scraper 20 is in contact with the upper surface of the filter plate 19, and the liquid extraction pipe is arranged below the filter plate 19. When working, the filter plate 19 can filter the fertilizer solution flowing from the liquid storage tank 10 to the pump 11, reduce the damage caused by impurities and particles in the fertilizer solution to the pump 11, and avoid clogging of the pipeline system. At the same time, the second scraper 20 rotates synchronously with the stirring rod 16, and can scrape off the impurities and particles attached to the surface of the filter plate 19, thereby improving the smoothness of the fertilizer solution when flowing.

[0031] See also Figure 1 , Figure 5 The top of the liquid storage tank 10 is connected to a liquid inlet pipe 21, and a flange is installed on the liquid inlet pipe 21; fertilizer can be quickly added to the liquid storage tank 10 through the liquid inlet pipe 21.

[0032] See also Figure 1-Figure 3 The protective plate 22 is provided with air holes 23; the protective plate 22 can reduce the impurities such as fallen leaves from the outside from falling into the interior of the fertilizer rack 5, and the air holes 23 can balance the air pressure, so that the fertilizer solution in the fertilizer rack 5 can be smoothly discharged from the drainage hole 6.

[0033] See also Figure 1 A push frame is installed at one end of the cart 1, and a rubber sleeve is provided in the middle of the push frame; the push frame is convenient for the staff to push the device, and the rubber sleeve can increase the friction between the hand and the push frame.

[0034] Working principle: When in use, the ball screws on the forward and reverse ball screw frames 4 are rotated to drive the two fertilizer racks 5 away from each other, and then the cart 1 is pushed to the side of the fruit tree so that the fruit tree is located between the two fertilizer racks 5. At this time, the ball screws on the forward and reverse ball screw frames 4 are controlled to rotate in the opposite direction to drive the two fertilizer racks 5 closer to each other. When the connecting plates 8 on the two fertilizer racks 5 are in contact, the two fertilizer racks 5 continue to approach each other and will continue to squeeze the springs on the spring telescopic rods 7, and make the baffles 9 and the fertilizer racks 5 staggered. At this time, the fertilizer is continuously discharged through the multiple groups of drainage holes 6 to fertilize the roots of the fruit trees. When the two groups of fertilizer racks 5 are close, the overall shape is roughly circular, and the drainage holes 6 are evenly distributed to reach the root around the fruit trees. The purpose of fertilizing the whole area is to avoid local accumulation of fertilizers or concentrated application of fertilizers in a certain area; after fertilization is completed, the ball screw rotates to make the two fertilization racks 5 move away from each other, and the spring reset on the spring telescopic rod 7 drives the baffle 9 to fit with the fertilization rack 5 again. At this time, the receiving end of the infrared radiation sensor 14 on the fertilization rack 5 is aligned with the transmitting end of the infrared radiation sensor 14 on the infusion tube 13, and the controller controls the solenoid valve and the pump 11 to open, and close the solenoid valve and the pump 11 after the set time. When the pump 11 is started, the fertilizer solution in the liquid storage tank 10 can be extracted and pressurized into the connecting pipe 12 and the infusion tube 13, so as to achieve the purpose of automatically replenishing fertilizers into the fertilization rack 5, which is convenient for the device to fertilize next time.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A fruit tree fertilization device, comprising a cart (1), characterized in that: Two sets of wheel hub assemblies (2) are installed at the bottom of the cart (1); a bracket (3) is installed at one end of the cart (1), and a forward and reverse ball screw frame (4) is fixedly provided on the bracket (3), the forward and reverse ball screw frame (4) comprises a frame, a servo motor, a ball screw and a guide rod, and the frame is fixedly connected to the bracket (3), the threads at both ends of the ball screw have opposite rotation directions, the ball screw is rotatably connected to the frame, the guide rod and the servo motor are fixedly connected to the frame, the output end of the servo motor is fixedly connected to the ball screw, and both ends of the ball screw are threaded A fertilizer frame (5) is connected, and the fertilizer frame (5) is arranged in a semicircular shape; a plurality of drainage holes (6) are arranged at equal intervals at the bottom of the fertilizer frame (5); spring telescopic rods (7) are fixedly connected to the outer sides of both ends of the fertilizer frame (5); a connecting plate (8) is fixedly connected to the end of the spring telescopic rod (7) away from the fertilizer frame (5); and a baffle (9) is fixedly connected between the two connecting plates (8) on the same fertilizer frame (5); the baffle (9) is arranged corresponding to the shape of the fertilizer frame (5), and the length of the baffle (9) is greater than the length of the fertilizer frame (5).

2. A fruit tree fertilization device as claimed in claim 1, characterized in that: A liquid storage tank (10) and a pump (11) are installed at the upper end of the cart (1), and the pump (11) is connected to the liquid storage tank (10) through a liquid extraction pipe; a connecting pipe (12) is fixedly connected to the middle of the bracket (3), and the pump (11) is connected to the connecting pipe (12) through a pipe body; two liquid infusion pipes (13) are symmetrically connected to the connecting pipe (12); a protective plate (22) is installed at the upper end of the fertilizer rack (5), and one end of the two liquid infusion pipes (13) away from the connecting pipe (12) is fixedly connected to the two protective plates (22) respectively; an electromagnetic valve and an emitting end of an infrared radiation sensor (14) are provided at one end of the liquid infusion pipe (13) away from the connecting pipe (12), and the emitting end of the infrared radiation sensor (14) and the electromagnetic valve are arranged at the bottom of the protective plate (22); and a receiving end of the infrared radiation sensor (14) is provided on a side of the fertilizer rack (5) close to the liquid infusion pipe (13).

3. A fruit tree fertilization device as claimed in claim 2, characterized in that: A stirring rod (16) is rotatably arranged inside the liquid storage tank (10), and the bottom end of the stirring rod (16) penetrates the liquid storage tank (10) and the cart (1) and extends to the bottom of the cart (1); the wheel hub assembly (2) comprises a rotating shaft and a running wheel, the rotating shaft is rotatably connected to the bottom of the cart (1), and the two ends of the rotating shaft are equipped with running wheels. A rotating rod (15) is rotatably arranged at the bottom of the cart (1), and a bevel gear set (17) is arranged between one end of the rotating rod (15) and the bottom end of the stirring rod (16), and a bevel gear set (17) is also arranged between the other end of the rotating rod (15) and the rotating shaft on the adjacent wheel hub assembly (2); first scrapers (18) are arranged on both sides of the stirring rod (16).

4. A fruit tree fertilization device as claimed in claim 3, characterized in that: A filter plate (19) is installed inside the liquid storage tank (10); a second scraper (20) is fixedly connected to the stirring rod (16), and the second scraper (20) is in contact with the surface of the filter plate (19); and a liquid extraction pipe is arranged below the filter plate (19).

5. A fruit tree fertilization device as claimed in claim 1, characterized in that: The top end of the liquid storage tank (10) is connected to a liquid inlet pipe (21).

6. A fruit tree fertilization device as claimed in claim 2, characterized in that: The protective plate (22) is provided with air holes (23).

7. A fruit tree fertilization device as claimed in claim 1, characterized in that: A push frame is installed at one end of the push cart (1), and a rubber sleeve is provided in the middle of the push frame.

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