Efficient fertilization device for intelligent agriculture

Abstract

The utility model relates to the technical field of fertilizing devices, and discloses an intelligent agricultural high-efficiency fertilizing device which comprises a bottom plate, the outer surface of the top of the bottom plate is fixedly connected with a batching tank, the outer surface of the top of the batching tank is fixedly communicated with a feeding pipe, and the inside of the batching tank is fixedly connected with a crushing disc; a rotating shaft is rotationally connected to the center of the inner surface of the top of the batching tank, a motor is fixedly mounted on the outer surface of the top of the batching tank, grinding rollers are rotationally connected to the opposite outer surfaces of the left side and the right side of a connecting frame, and cleaning brushes are fixedly connected to the outer surfaces of the bottoms of a plurality of movable rods on the left side. According to the efficient fertilization device for intelligent agriculture, the motor drives the rotating shaft to rotate, the grinding roller is driven to grind a solid fertilizer, a cleaning brush is matched, the fusion degree of the fixed fertilizer and water is improved, the situation that the solid fertilizer blocks to block a water pumping pipe of a water pump, and consequently the flow speed of water and fertilizer is reduced is avoided, and then the fertilization efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fertilization devices, in particular to a high-efficiency fertilization device for smart agriculture. Background Art

[0002] Smart agriculture is the smart economy in agriculture, or the specific manifestation of the smart economy in agriculture. Smart agriculture is an important part of the smart economy. For developing countries, smart agriculture is a major component of the smart economy. It is the main way for developing countries to eliminate poverty, realize latecomer advantages, catch up in economic development, and realize the catch-up strategy. At present, fertilization devices are needed in the smart agriculture planting process.

[0003] The existing patent (Announcement No.: CN216163408U) discloses a high-efficiency fertilization device for smart agriculture, including a base, a telescopic rod and a spring are welded and installed on the top of the base, a support plate is welded and installed on the free ends of the spring and the telescopic rod, a storage box, a water pump, and a support block are fixedly installed on the top of the support plate, a motor is fixedly installed on the top of the storage box, a rotating shaft and a stirring rod are welded and installed on the output end of the motor, various pipes are welded and installed on the output end of the water pump, a nozzle is fixedly installed on the free end of the pipe, an electric push rod is fixedly installed on one side wall of the support block, and a fixed plate is fixedly installed on the free end of the electric push rod. The shock absorption capacity of the device is improved by the telescopic rod and the spring, the rotating shaft and the stirring rod are driven to rotate by the motor, so that the fertilizer will not precipitate, the fertilizer is transported from the storage box along the three-way pipe, the first pipe, and the second pipe to the nozzle by the water pump, and the first pipe, the second pipe, and the nozzle are driven to expand and contract by the electric push rod and the fixed plate, so that the nozzle can directly fertilize the roots of the plants.

[0004] When the above patented technology is used, solid fertilizer and water are mixed in a storage box. Although it can prevent the fertilizer inside the storage box from settling, when the fertilizer is configured in the storage box, it is difficult to completely blend the agglomerated fertilizer into the water by a single stirring method of a motor-driven stirring rod, causing the discharge pipe to be blocked by the fertilizer, reducing the flow rate of water and fertilizer, and also reducing the fertilization efficiency. Therefore, a high-efficiency fertilization device for smart agriculture is proposed. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a high-efficiency fertilization device for smart agriculture to solve the problems mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an efficient fertilizing device for smart agriculture, comprising a base plate, a top outer surface of the base plate is fixedly connected to a dosing tank, the top outer surface of the dosing tank is fixedly connected to a feeding pipe, a crushing disk is fixedly connected to the inside of the dosing tank, a rotating shaft is rotatably connected at the center of the top inner surface of the dosing tank, a motor is fixedly installed on the top outer surface of the dosing tank, the output end of the motor is fixedly connected to the rotating shaft, the rotating shaft rotates and penetrates the outer surface of the crushing disk, a connecting plate is fixedly sleeved on the outer surface of the rotating shaft, and the connecting plate is located on the outer surfaces of the left and right ends of the rotating shaft, and a plurality of movable rods are movably inserted therein, the bottom outer surfaces of several of the movable rods on the right side are fixedly connected to a connecting frame, the outer surfaces opposite to each other on the left and right sides of the connecting frame are rotatably connected to crushing rollers, the bottom outer surfaces of several of the movable rods on the left side are fixedly connected to cleaning brushes, and the outer surface of the rotating shaft is fixedly sleeved with a plurality of stirring blades.

[0007] Furthermore, the bottom outer surface of the base plate is fixedly connected to four symmetrically arranged vertical plates, the opposite outer surfaces of the two left vertical plates and the two right vertical plates are rotatably connected to forward and reverse screw rods, the two forward and reverse screw rods rotate and penetrate the right vertical plate, the outer surfaces of the rear forward and reverse screw rods are fixedly connected to a crank, the outer surfaces of the two forward and reverse screw rods are threadedly connected to two threaded blocks, the four threaded blocks are movably fitted with the bottom outer surface of the base plate, the outer surfaces of the four threaded blocks are fixedly connected to bending frames, and the bottom outer surfaces of the four bending frames are provided with universal wheels.

[0008] Furthermore, a water pump is fixedly installed on the top outer surface of the base plate, the input end of the water pump is fixedly connected to the interior of the batching tank through a pumping pipe, the top outer surface of the base plate is fixedly connected to a support plate, the top outer surface of the support plate is fixedly connected to a three-way pipe, and the output end of the water pump is fixedly connected to the interior of the three-way pipe through a drain pipe.

[0009] Furthermore, a first electric push rod is fixedly installed on the outer surfaces of the left and right sides of the support plate, and the three output ends of the three-way pipe are fixedly connected with telescopic hoses, the two telescopic hoses on the left and right sides are respectively fixedly connected with the output ends of the left and right sides of the three-way pipe, and the front telescopic pipe is fixedly connected with the front output end of the three-way pipe, and the output ends of the two first electric push rods are fixedly connected with a mounting plate, and a second electric push rod is fixedly installed on the bottom outer surface of the mounting plate, and the output end of the second electric push rod is fixedly connected with a cross plate, and the telescopic hoses on the left and right sides are fixedly passed through the outer surfaces of the two cross plates, respectively, and the outer surfaces of the telescopic hoses on the left and right sides are fixedly connected with the first connecting pipe, and the outer surface of the telescopic hose on the front side is fixedly connected with the second connecting pipe, and the outer surfaces of the first connecting pipe and the second connecting pipe are fixedly connected with a plurality of nozzles.

[0010] Furthermore, the outer surfaces of the two forward and reverse screw rods are fixedly sleeved with transmission wheels, and a belt is wound between the outer surfaces of the two transmission wheels.

[0011] Furthermore, the outer surface of the crushing disk is provided with a plurality of through holes.

[0012] Furthermore, valves are provided inside the three telescopic hoses, and several nozzles on the left and right sides face the left and right sides respectively, and several nozzles on the front side face downwards respectively.

[0013] Furthermore, an inclined guide plate is fixedly connected to the inner surface of the bottom of the batching tank, and the inclination direction of the guide plate is toward one end of the water pump.

[0014] Furthermore, the outer surface of the connecting plate opposite to the connecting frame and the outer surface of the connecting plate opposite to the cleaning brush are both fixedly connected with a plurality of springs, and the plurality of springs are respectively sleeved on the outer surfaces of a plurality of movable rods.

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

[0016] 1. This efficient fertilization device for smart agriculture drives the rotating shaft to rotate through a motor, driving the crushing roller to crush the solid fertilizer. Together with the cleaning brush, it improves the integration of fixed fertilizer and water, prevents solid fertilizer from agglomerating and clogging the water pump's suction pipe, which slows down the flow of water and fertilizer, thereby improving fertilization efficiency.

[0017] 2. This smart agriculture high-efficiency fertilization device drives the forward and reverse screws to rotate through the crank, and cooperates with the transmission wheel and belt to make the two forward and reverse screws rotate at the same time, thereby driving the two threaded blocks to move and adjust the distance between the two universal wheels on the left and right sides, so that it is suitable for field ridges of different widths. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the batching tank of the utility model;

[0020] Figure 3 This is a rear view structural diagram of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the utility model when viewed from above.

[0022] In the figure: 1. bottom plate; 2. batching tank; 3. crushing disc; 4. rotating shaft; 5. motor; 6. connecting plate; 7. movable rod; 8. connecting frame; 9. crushing roller; 10. cleaning brush; 11. feeding pipe; 12. forward and reverse screw rods; 13. threaded block; 14. bending frame; 15. universal wheel; 16. crank; 17. water pump; 18. telescopic hose; 19. first electric push rod; 20. second electric push rod; 21. first connecting pipe; 22. second connecting pipe; 23. belt. DETAILED DESCRIPTION

[0023] 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 in 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.

[0024] Please refer to Figure 1-Figure 4 The utility model provides a technical solution: a high-efficiency fertilizing device for smart agriculture, comprising a bottom plate 1, a dosing tank 2 is fixedly connected to the top outer surface of the bottom plate 1, a feed pipe 11 is fixedly connected to the top outer surface of the dosing tank 2, a crushing disk 3 is fixedly connected to the inside of the dosing tank 2, a rotating shaft 4 is rotatably connected to the center of the top inner surface of the dosing tank 2, a motor 5 is fixedly installed on the top outer surface of the dosing tank 2, the output end of the motor 5 is fixedly connected to the rotating shaft 5, the rotating shaft 4 rotates and penetrates the outer surface of the crushing disk 3, a connecting plate 6 is fixedly sleeved on the outer surface of the rotating shaft 4, the connecting plate 6 is located at the left and right ends of the rotating shaft 4, and a plurality of movable rods 7 are movably inserted on the outer surface, a connecting frame 8 is fixedly connected to the bottom outer surface of the plurality of movable rods 7 on the right side, a crushing roller 9 is rotatably connected to the outer surfaces of the left and right sides of the connecting frame 8, and a plurality of movable rods 7 on the left side are fixedly connected to the bottom outer surfaces of the plurality of movable rods 7 on the left side. There is a cleaning brush 10, and a plurality of stirring blades are fixedly sleeved on the outer surface of the rotating shaft 4. In this embodiment, the solid fertilizer is transported to the batching tank 2 through the feeding pipe 11, and the solid waste falls onto the crushing disk 3. The motor 5 is turned on, and the motor 5 drives the rotating shaft 4 to rotate. The rotating shaft 4 drives the connecting plate 6 to rotate the crushing roller 9, and the crushing roller 9 crushes the solid fertilizer on the surface of the crushing disk 3. In the process of the rotation of the rotating shaft 4, the cleaning brush 10 is driven to clean the crushed solid fertilizer on the surface of the crushing disk 3, so that it falls into the interior of the batching tank 2 from the through hole to avoid clogging of the through hole, and water is input into the interior of the batching tank 2. The rotating shaft 4 drives the stirring blades to rotate, mix the solid fertilizer and water, so that the solid fertilizer is in a crushed state, improves the fusion degree of the fixed fertilizer and water, avoids clogging of the water pump 17, and causes the water fertilizer flow rate to slow down, thereby improving the fertilization efficiency.

[0025] The bottom outer surface of the bottom plate 1 is fixedly connected with four vertical plates which are symmetrically arranged. The opposite outer surfaces of the two vertical plates on the left and the two vertical plates on the right are rotatably connected with positive and negative screw rods 12. The two positive and negative screw rods 12 rotate and penetrate the right vertical plate. The outer surface of the rear positive and negative screw rods 12 is fixedly connected with a crank 16. The outer surfaces of the two positive and negative screw rods 12 are threadedly connected with two threaded blocks 13. The four threaded blocks 13 are movably fitted with the bottom outer surface of the bottom plate 1. The outer surfaces of the four threaded blocks 13 are fixedly connected with a bending frame 14. The bottom outer surfaces of the four bending frames 14 are provided with universal wheels 15. In this embodiment, the crank 16 is rotated, and the crank 16 drives the positive and negative screw rods 12 to rotate. The two positive and negative screw rods 12 rotate at the same time, thereby driving the thread blocks 13 to move, and driving the bending frame 14 to make the universal wheels 15 on the left and right sides move, thereby adjusting the spacing between the two universal wheels 15 on the left and right sides to be suitable for ridges of different widths.

[0026] A water pump 17 is fixedly installed on the top outer surface of the base plate 1, and the input end of the water pump 17 is fixedly connected to the interior of the batching tank 2 through a pumping pipe. A support plate is fixedly connected to the top outer surface of the base plate 1, and a three-way pipe is fixedly connected to the top outer surface of the support plate. The output end of the water pump 17 is fixedly connected to the interior of the three-way pipe through a drainage pipe. In this embodiment, the water pump 17 is turned on, and the water pump 17 draws water and fertilizer out of the batching tank 2 through the pumping pipe, and discharges it to the interior of the three-way pipe through the drainage pipe.

[0027] The left and right outer surfaces of the support plate are fixedly installed with first electric push rods 19, the three output ends of the three-way pipe are fixedly connected with telescopic hoses 18, the two telescopic hoses 18 on the left and right sides are respectively fixedly connected with the left and right output ends of the three-way pipe, the front telescopic pipe is fixedly connected with the front output end of the three-way pipe, the output ends of the two first electric push rods 19 are fixedly connected with the mounting plate, the bottom outer surface of the mounting plate is fixedly installed with a second electric push rod 20, the output end of the second electric push rod 20 is fixedly connected with a cross plate, the telescopic hoses 18 on the left and right sides are respectively fixedly passed through the outer surfaces of the two cross plates, the outer surfaces of the telescopic hoses 18 on the left and right sides are fixedly connected with the first connecting pipe 21, and the outer surface of the front telescopic hose 18 A second connecting pipe 22 is fixedly connected, and the outer surfaces of the first connecting pipe 21 and the second connecting pipe 22 are fixedly connected with a plurality of nozzles. In this embodiment, when it is necessary to fertilize the roots of crops, the first electric push rod 19 and the second electric push rod 20 are turned on, and the first electric push rod 19 drives the telescopic hose 18 to move to suitable positions on the left and right sides, and drives the telescopic hose 18 to move to a suitable depth through the second electric push rod 20 to better fit the roots of crops. Water and fertilizer enter the first connecting pipe 21 and are sprayed to the roots of crops through the nozzles of the first connecting pipe 21. When it is necessary to fertilize the branches and leaves of crops, water and fertilizer enter the second connecting pipe 22 and are fertilized through the second connecting pipe 22.

[0028] The outer surfaces of the two forward and reverse screw rods 12 are fixedly sleeved with transmission wheels, and a belt 23 is wound around the outer surfaces of the two transmission wheels. In this embodiment, when the crank 16 drives the forward and reverse screw rods 12 to rotate, it drives the transmission wheel thereon to rotate, and under the action of the belt 23, the other transmission wheel rotates, thereby causing the two forward and reverse screw rods 12 to rotate at the same time.

[0029] The outer surface of the crushing disk 3 is provided with a plurality of through holes. In this embodiment, the crushed solid fertilizer enters the bottom end of the storage tank through the through holes.

[0030] Valves are provided inside the three telescopic hoses 18, and several nozzles on the left and right sides are respectively facing the left and right sides, and several nozzles on the front side are respectively facing downward. In this embodiment, the valves in the two telescopic hoses 18 on the left and right sides are opened, and the valve in the front telescopic hose 18 is closed, so that water and fertilizer are discharged from the telescopic hoses 18 on the left and right sides to fertilize the roots of crops. The valves in the two telescopic hoses 18 on the left and right sides are closed, and the valve in the front telescopic hose 18 is opened, so that water and fertilizer are discharged from the front telescopic hose 18 to fertilize the branches and leaves of crops.

[0031] An inclined guide plate is fixedly connected to the inner surface of the bottom of the batching tank 2, and the inclination direction of the guide plate is toward one end of the water pump 17. In this embodiment, the water and fertilizer are guided by the guide plate so that the water and fertilizer are gathered and can be completely discharged.

[0032] The outer surfaces of the connecting plate 6 opposite to the connecting frame 8 and the outer surfaces of the connecting plate 6 opposite to the cleaning brush 10 are fixedly connected with a plurality of springs, and the plurality of springs are respectively sleeved on the outer surfaces of the plurality of movable rods 7. In this embodiment, under the elastic force of the springs, the crushing roller 9 and the cleaning brush 10 are closely attached to the outer surface of the crushing disk 3.

[0033] Working principle: When the utility model is in use, solid fertilizer is transported to the batching tank 2 through the feed pipe 11, and the solid waste falls onto the crushing disk 3. The motor 5 is turned on, and the motor 5 drives the rotating shaft 4 to rotate. The rotating shaft 4 drives the connecting plate 6 to rotate the crushing roller 9. The crushing roller 9 crushes the solid fertilizer on the surface of the crushing disk 3, and in the process of the rotating shaft 4 rotating, it drives the cleaning brush 10 to clean the crushed solid fertilizer on the surface of the crushing disk 3, so that it falls into the interior of the batching tank 2 from the through hole to avoid clogging of the through hole, and water is input into the interior of the batching tank 2. The rotating shaft 4 drives the connecting plate 6 to rotate the crushing roller 9. The dynamic stirring blade rotates to mix the solid fertilizer and water, so that the solid fertilizer is in a crushed state, the fusion degree of the fixed fertilizer and water is improved, and the blockage of the water pump 17 is avoided, which causes the water fertilizer flow rate to slow down, thereby improving the fertilization efficiency. When fertilizing, according to the width of the field ridge, the distance between the two universal wheels 15 on the left and right sides is adjusted, and the crank 16 is turned. The crank 16 drives the forward and reverse screw rods 12 to rotate, and drives the transmission wheel on the forward and reverse screw rods 12 to rotate, thereby driving the other transmission wheel to rotate under the action of the belt 23, so that the two forward and reverse screw rods 12 are simultaneously The folding frame 14 is rotated to drive the threaded block 13 to move, and the folding frame 14 is driven to move the universal wheels 15 on the left and right sides, so as to adjust the distance between the two universal wheels 15 on the left and right sides to adapt to ridges of different widths. When fertilizing, the water pump 17 is turned on, and the water pump 17 extracts the water and fertilizer inside the batching tank 2 through the water pumping pipe, and discharges it to the inside of the three-way pipe through the drainage pipe. When it is necessary to fertilize the roots of the crops, the valves in the two telescopic hoses 18 on the left and right sides are opened, the valve in the front telescopic hose 18 is closed, and the first electric push rod 19 and the second electric push rod 19 are turned on. The push rod 20, the first electric push rod 19 drives the telescopic hose 18 to move to appropriate positions on the left and right sides, and the second electric push rod 20 drives the telescopic hose 18 to move to an appropriate depth to better fit the roots of the crops. The water and fertilizer enter the first connecting pipe 21 and are sprayed to the roots of the crops through the nozzle of the first connecting pipe 21. When it is necessary to fertilize the branches and leaves of the crops, the valves in the two telescopic hoses 18 on the left and right sides are closed, and the valve in the front telescopic hose 18 is opened, and the water and fertilizer enter the second connecting pipe 22 and are fertilized through the second connecting pipe 22.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency fertilization device for smart agriculture, comprising a bottom plate (1), characterized in that: The top outer surface of the bottom plate (1) is fixedly connected to a batching tank (2), the top outer surface of the batching tank (2) is fixedly connected to a feed pipe (11), the interior of the batching tank (2) is fixedly connected to a crushing disk (3), a rotating shaft (4) is rotatably connected at the center of the top inner surface of the batching tank (2), a motor (5) is fixedly installed on the top outer surface of the batching tank (2), the output end of the motor (5) is fixedly connected to the rotating shaft (4), the rotating shaft (4) rotates and penetrates the outer surface of the crushing disk (3), and the rotating shaft (4) rotates to penetrate the outer surface of the crushing disk (3). The outer surface of the shaft (4) is fixedly sleeved with a connecting plate (6), and the outer surfaces of the connecting plates (6) at the left and right ends of the rotating shaft (4) are movably inserted with a plurality of movable rods (7), the bottom outer surfaces of the right plurality of movable rods (7) are fixedly connected with a connecting frame (8), the outer surfaces of the left and right sides of the connecting frame (8) are rotatably connected with a crushing roller (9), the bottom outer surfaces of the left plurality of movable rods (7) are fixedly connected with a cleaning brush (10), and the outer surface of the rotating shaft (4) is fixedly sleeved with a plurality of stirring blades.

2. The high-efficiency fertilization device for smart agriculture according to claim 1, characterized in that: The bottom outer surface of the base plate (1) is fixedly connected to four symmetrically arranged vertical plates, the outer surfaces of the two left vertical plates and the two right vertical plates are rotatably connected to forward and reverse screw rods (12), the two forward and reverse screw rods (12) are rotatably passed through the right vertical plate, the outer surfaces of the rear forward and reverse screw rods (12) are fixedly connected to a crank (16), the outer surfaces of the two forward and reverse screw rods (12) are threadedly connected to two threaded blocks (13), the four threaded blocks (13) are movably fitted with the bottom outer surface of the base plate (1), the outer surfaces of the four threaded blocks (13) are fixedly connected to a bending frame (14), and the bottom outer surfaces of the four bending frames (14) are provided with universal wheels (15).

3. The high-efficiency fertilization device for smart agriculture according to claim 1, characterized in that: A water pump (17) is fixedly mounted on the top outer surface of the base plate (1); the input end of the water pump (17) is fixedly connected to the interior of the batching tank (2) via a water suction pipe; a support plate is fixedly connected to the top outer surface of the base plate (1); a three-way pipe is fixedly connected to the top outer surface of the support plate; and the output end of the water pump (17) is fixedly connected to the interior of the three-way pipe via a drainage pipe.

4. The high-efficiency fertilization device for smart agriculture according to claim 3 is characterized in that: The left and right outer surfaces of the support plate are both fixedly mounted with first electric push rods (19); the three output ends of the three-way pipe are all fixedly connected with telescopic hoses (18); the two telescopic hoses (18) on the left and right sides are respectively fixedly connected with the left and right output ends of the three-way pipe; the front telescopic hose is fixedly connected with the front output end of the three-way pipe; the output ends of the two first electric push rods (19) are both fixedly connected with a mounting plate; the bottom outer surface of the mounting plate is fixedly mounted with a second electric push rod (20); the output end of the second electric push rod (20) is fixedly connected with a transverse plate; the telescopic hoses (18) on the left and right sides are respectively fixedly passed through the outer surfaces of the two transverse plates; the outer surfaces of the telescopic hoses (18) on the left and right sides are both fixedly connected with a first connecting pipe (21); the outer surface of the front telescopic hose (18) is fixedly connected with a second connecting pipe (22); the outer surfaces of the first connecting pipe (21) and the second connecting pipe (22) are both fixedly connected with a plurality of nozzles.

5. The high-efficiency fertilization device for smart agriculture according to claim 2, characterized in that: The outer surfaces of the two forward and reverse screw rods (12) are both fixedly sleeved with transmission wheels, and a belt (23) is wound between the outer surfaces of the two transmission wheels.

6. The high-efficiency fertilization device for smart agriculture according to claim 1, characterized in that: The outer surface of the crushing disk (3) is provided with a plurality of through holes.

7. The high-efficiency fertilization device for smart agriculture according to claim 4, characterized in that: The three telescopic hoses (18) are all provided with valves inside, and the nozzles on the left and right sides are respectively oriented to the left and right sides, and the nozzles on the front side are respectively oriented downwards.

8. The high-efficiency fertilization device for smart agriculture according to claim 1, characterized in that: An inclined guide plate is fixedly connected to the inner surface of the bottom of the batching tank (2), and the inclination direction of the guide plate is toward one end of the water pump (17).

9. The high-efficiency fertilization device for smart agriculture according to claim 1, characterized in that: The outer surfaces of the connecting plate (6) and the connecting frame (8) opposite to each other and the outer surfaces of the connecting plate (6) and the cleaning brush (10) opposite to each other are fixedly connected with a plurality of springs, and the plurality of springs are respectively sleeved on the outer surfaces of a plurality of movable rods (7).

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