Movable spraying device

Abstract

The utility model discloses a movable spraying device in the field of spraying devices, which comprises a base, moving wheels distributed in a rectangular shape are mounted at the bottom of the base, a pushing handle is welded on one side of the top of the base, and a water tank positioned on one side of the pushing handle is welded on the top of the base. The lifting assembly and the adjusting mechanism are arranged, the lifting assembly enables the spraying mechanism to conduct spraying work on crops, plants and the like with different heights within the adjusting range, the adjusting mechanism can adjust the spraying angle of the spraying mechanism, and the spraying angle of the spraying mechanism can be adjusted through the adjusting mechanism. According to the movable spraying device, multi-angle spraying of crops, plants and the like is achieved, the using flexibility of the movable spraying device is improved, meanwhile, the spraying efficiency and the spraying effect are improved, secondly, the spraying mechanism can conduct 180-degree rotation reciprocating spraying on the crops, the plants and the like through the rotating mechanism, using is convenient and fast, and the spraying range is widened.

Description

Technical Field

[0001] The utility model relates to the field of spraying devices, in particular to a mobile spraying device. Background Art

[0002] A spraying device is a device used to irrigate crops, plants, etc. The spraying device uses a water pump to transport water or nutrient solution in a water tank to a spray head, and then sprays the water or nutrient solution to the crops, plants, etc. through the spray head for nourishment.

[0003] However, the existing mobile spraying device, whether it is a single rotatable nozzle or a multi-rotatable nozzle spraying, can only perform rotational spraying in a fixed horizontal plane, and the spraying height and angle cannot be adjusted, which is not convenient for spraying crops, plants, etc. at different heights and angles, thereby reducing the irrigation range of the spraying device, affecting the spraying efficiency, and being not conducive to people's use. Therefore, those skilled in the art provide a mobile spraying device to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a mobile spraying device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mobile spraying device, comprising a base, the bottom of the base is equipped with moving wheels distributed in a rectangular shape, a push handle is welded to one side of the top of the base, a water tank located on the side of the push handle is welded to the top of the base, a tank cover is movably installed on the top surface of the water tank through a connecting component, a mixing mechanism for mixing and stirring the liquid is provided inside the water tank, a lifting mechanism for controlling the spraying height is provided on one side of the water tank and located on the top of the base, a support plate is installed on the top of the lifting mechanism, a rotating mechanism for 180° rotation and spraying is provided on the top of the support plate, an adjusting mechanism for adjusting the spraying angle is provided on the top of the rotating mechanism, a spraying mechanism for spraying is installed at one end of the adjusting mechanism, and one side of the spraying mechanism is connected to the water tank through a pumping component.

[0006] Preferably: a transparent observation window is installed on one side of the water tank, handles are symmetrically welded on the top of the tank cover, and a water inlet pipe located on the top of the tank cover is installed between the handles.

[0007] Preferably: the connecting assembly comprises a fixed block, an L-shaped plate, a connecting block, a spring and a sealing ring, the top ends of both sides of the water tank are symmetrically welded with fixed blocks, the fixed blocks are rotatably connected to the two sides of the L-shaped plate by a rotating shaft when close to each other, connecting blocks located above the fixed blocks are welded on both sides of the box cover, the top of the connecting block is snap-fitted with the bottom of one side of the L-shaped plate, a spring located below the fixed block is welded to the bottom end of one side of the L-shaped plate close to the water tank, the other end of the spring is welded to the side of the water tank, and a sealing ring extending to the inside of the water tank is welded to the bottom of the box cover, and the outer wall of the sealing ring is in contact with the inner wall of the water tank.

[0008] Preferably: the mixing mechanism comprises a first motor, a rotating rod, a U-shaped rod and a mixing rod, the first motor is installed on one side of the bottom of the base by bolts, the output end of the first motor is fixedly connected to the rotating rod by a rotating shaft, one end of the rotating rod passes through the base and extends to the inside of the water tank and is welded with a U-shaped rod, and a number of equidistantly distributed mixing rods are symmetrically welded on the surfaces of both ends of the U-shaped rod.

[0009] Preferably: the lifting mechanism includes a second motor, a threaded rod, a sliding rod, a moving block, a supporting block and a lifting assembly, a second motor located at the top of the base is installed on one side of the water tank, the output end of the second motor is fixedly connected to the threaded rod through a rotating shaft, a mounting seat located between the second motor and the water tank is welded on the top of the base, the other end of the threaded rod is rotatably installed inside the mounting seat, fixed seats located in a rectangular shape on the top of the base are welded on both sides of the threaded rod, two ends of the sliding rod are welded between the fixed seats close to each other, a moving block and a supporting block are respectively installed on the surfaces of the sliding rod and the threaded rod, the moving blocks are slidably connected to the sliding rod, and the supporting block is rotatably connected to the threaded rod via threads, both sides of the support block are fixedly connected to the side of the moving block via connecting rods, and a lifting assembly is installed on the side of the moving block away from the connecting rod.

[0010] Preferably: the lifting assembly includes a folding rod, a movable block and a round rod, the movable block is hingedly connected to one end of the bottom of the folding rod on the side away from the connecting rod, the other end of the bottom of the folding rod is rotatably connected to the top of the base through a positioning block, and one end of the top of the folding rod is rotatably connected to the bottom of the support plate through a fixed block, and a connecting seat with a rectangular distribution is welded on the side of the bottom of the support plate away from the fixed block, and two ends of the round rod are welded between the connecting seats, the surface of the round rod is slidably connected with the movable block, and the side of the movable block away from the connecting rod is hingedly connected to the other end of the top of the folding rod, and a rotating mechanism is installed on the top of the support plate.

[0011] Preferably: the rotating mechanism includes a third motor, a rotating disk and a support rod, the third motor is installed in the middle of the top of the support plate by bolts, the output end of the third motor is fixedly connected to the bottom of the rotating disk through a rotating shaft, a plurality of support rods distributed in a circle are welded to the bottom of the rotating disk, a circular groove located at the bottom of the support rod is opened on the top of the support plate, the bottom of the support rod is rotatably connected to a roller located inside the circular groove, and the rollers are slidably connected to the circular groove, and an adjustment mechanism is installed on the top of the rotating disk.

[0012] Preferably: the adjusting mechanism comprises a fourth motor, a disc and a positioning rod, a mounting block is welded to one side of the top of the rotating disc, a fourth motor located at the top of the rotating disc is mounted on one side of the mounting block, an output end of the fourth motor passes through the mounting block and extends to one side of the mounting block and is fixedly connected to the middle part of one side of the disc through a rotating shaft, an end of the disc on one side away from the mounting block is rotatably connected to one end of the positioning rod through a rotating shaft, and the other end of the positioning rod is connected to a spraying mechanism.

[0013] Preferably: the spraying mechanism includes a spraying pipe and a spraying bucket, the other end of the positioning rod is hingedly connected to the end of the spraying pipe, the end of the spraying pipe away from the positioning rod is connected and welded with a spraying bucket, the top of the rotating disk is welded with fixed plates located on both sides of the spraying pipe, the sides of the spraying pipe close to the fixed plates are welded with limiting rods, the other ends of the limiting rods are rotatably connected to the inside of the fixed plates, and one side of the spraying pipe is connected to the water tank through a pumping assembly.

[0014] Preferably: the pumping assembly includes a water pump, a water pipe and a telescopic hose, the top of the base is equipped with a water pump located on one side of the water tank, the side of the water pump close to the water tank is connected to and installed with a water pipe, the other end of the water pipe extends to the interior of the water tank, the end of the water pump away from the water pipe is connected to and installed with a telescopic hose, the other end of the telescopic hose extends to one side of the spray pipe and is connected to the interior of the spray pipe.

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

[0016] 1. In the utility model, the mobile spraying device is provided with a lifting component and an adjusting mechanism. The lifting component can enable the spraying mechanism to spray crops, plants, etc. of different heights within an adjustable range. The adjusting mechanism can adjust the spraying angle of the spraying mechanism, thereby realizing multi-angle spraying of crops, plants, etc., improving the flexibility of the use of the mobile spraying device, and also improving the spraying efficiency and spraying effect.

[0017] 2. In the utility model, the mobile spraying device is provided with a rotating mechanism, which enables the spraying mechanism to rotate 180° back and forth to spray crops, plants, etc., which is easy to use, increases the spraying range, and is convenient for users. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a cross-sectional view of the overall structure of the utility model;

[0020] Figure 3 It is a top view of the overall structure of the utility model;

[0021] Figure 4 It is a side view of the overall structure of the utility model;

[0022] Figure 5 for Figure 3 A is an enlarged view of the middle image.

[0023] In the figure: 1, base; 2, water tank; 3, tank cover; 4, support plate; 10, moving wheel; 11, push handle; 12, transparent observation window; 13, handle; 14, water inlet pipe; 15, mounting seat; 16, fixing seat; 17, fixing block; 18, connecting seat; 19, round groove; 21, limiting block; 22, L-shaped plate; 23, connecting block; 24, spring; 25, sealing ring; 31, first motor; 32, rotating rod; 33, U-shaped rod; 34, mixing rod; 41, second motor; 4 2. Threaded rod; 43. Sliding rod; 44. Moving block; 45. Support rod; 46. Connecting rod; 51. Folding rod; 52. Round rod; 53. Movable block; 54. Positioning block; 61. Third motor; 62. Rotating disk; 63. Support rod; 64. Roller; 71. Fourth motor; 72. Disc; 73. Positioning rod; 74. Mounting block; 81. Spraying pipe; 82. Spraying bucket; 83. Fixed plate; 84. Limiting rod; 91. Water pump; 92. Suction pipe; 93. Telescopic hose. 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 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.

[0025] See also Figure 1 to Figure 5In an embodiment of the utility model, a mobile spraying device comprises a base 1, the bottom of the base 1 is provided with moving wheels 10 distributed in a rectangular shape, a push handle 11 is welded on one side of the top of the base 1 for facilitating the movement of the mobile spraying device, a water tank 2 is welded on the top of the base 1 and is located on one side of the push handle 11, a tank cover 3 is movably mounted on the top surface of the water tank 2 through a connecting assembly, a transparent observation window 12 is mounted on one side of the water tank 2 for observing the remaining liquid inside the water tank 2, a handle 13 is symmetrically welded on the top of the tank cover 3 for extracting the tank cover 3, a water inlet pipe 14 is mounted between the handles 13 and is located on the top of the tank cover 3 for external water to enter the water tank 2, and a drain pipe connected to the interior of the water tank 2 is mounted on one side of the water tank 2 for discharging waste liquid in the water tank 2.

[0026] The connecting assembly includes a limiting block 21, an L-shaped plate 22, a connecting block 23, a spring 24 and a sealing ring 25. The limiting blocks 21 are symmetrically welded to the top of both sides of the water tank 2. The limiting blocks 21 are connected to both sides of the L-shaped plate 22 by rotating shafts. The connecting blocks 23 located above the limiting blocks 21 are welded to both sides of the box cover 3. The top of the connecting block 23 is snap-fitted to the bottom of one side of the L-shaped plate 22. The bottom end of the L-shaped plate 22 close to the water tank 2 is welded with a spring 24 located below the limiting block 21. The other end of the spring 24 is welded to the side of the water tank 2. The bottom of the box cover 3 is welded with a sealing ring 25 extending to the inside of the water tank 2. When in use, the staff presses one end of the bottom of the L-shaped plate 22 to move the bottom end of the L-shaped plate 22 toward the side close to the water tank 2. At this time, the spring 24 is compressed, and the box cover 3 is placed on the top of the water tank 2 so that the sealing ring 25 is inserted into the inside of the water tank 2. Then the L-shaped plate 22 is released, and the L-shaped plate 22 is reset by the rebound of the spring 24, so that the bottom of one side thereof abuts against the top surface of the connecting block 23, and then the box cover 3 and the water tank 2 are fixed by the cooperation of the L-shaped plate 22 and the connecting block 23, so that the water tank 2 is sealed.

[0027] A mixing mechanism for mixing and stirring liquids is provided inside the water tank 2, and the mixing mechanism includes a first motor 31, a rotating rod 32, a U-shaped rod 33 and a mixing rod 34. The first motor 31 is installed on one side of the bottom of the base 1 by bolts, and the output end of the first motor 31 is fixedly connected to the rotating rod 32 by a rotating shaft, and one end of the rotating rod 32 passes through the base 1 and extends to the inside of the water tank 2 and is welded with a U-shaped rod 33. A number of equidistantly distributed mixing rods 34 are symmetrically welded on the surfaces of both ends of the U-shaped rod 33. When in use, the water and liquid medicine required for spraying are transported into the water tank 2 through the water inlet pipe 14, and the first motor 31 is started. When the output end of the first motor 31 rotates, the U-shaped rod 33 is driven to rotate by the rotating rod 32. When the U-shaped rod 33 rotates, the mixing rod 34 fully mixes and stirs the water and liquid medicine in the water tank 2, and no manual mixing and stirring is required, which is convenient to use.

[0028] A lifting mechanism for controlling the spraying height is provided on one side of the water tank 2 and is located at the top of the base 1. The lifting mechanism includes a second motor 41, a threaded rod 42, a slide rod 43, a moving block 44, a support block 45 and a lifting assembly. A second motor 41 is installed on one side of the water tank 2 and is located at the top of the base 1. The output end of the second motor 41 is fixedly connected to the threaded rod 42 through a rotating shaft. A mounting seat 15 located between the second motor 41 and the water tank 2 is welded on the top of the base 1. The other end of the threaded rod 42 is rotatably mounted inside the mounting seat 15. Fixed seats 16 distributed in a rectangular shape on the top of the base 1 are welded on both sides of the threaded rod 42. Two ends of the slide rod 43 are welded between the fixed seats 16. Moving blocks 44 and support blocks 45 are respectively installed on the surfaces of the slide rod 43 and the threaded rod 42. The moving blocks 44 are slidably connected to the slide rod 43, and the support blocks 45 are rotatably connected to the threaded rod 42 through threads. Both sides of the support block 45 are fixedly connected to the side surfaces of the moving block 44 through connecting rods 46.

[0029] A lifting assembly is installed on the side of the moving block 44 away from the connecting rod 46, and the lifting assembly includes a folding rod 51, a round rod 52 and a movable block 53. The side of the moving block 44 away from the connecting rod 46 is hingedly connected to one end of the bottom of the folding rod 51, and the other end of the bottom of the folding rod 51 is rotatably connected to the top of the base 1 through a positioning block 54, and one end of the top of the folding rod 51 is rotatably connected to the bottom of the support plate 4 through a fixed block 17. A connecting seat 18 with a rectangular distribution is welded on the side of the bottom of the support plate 4 away from the fixed block 17, and the two ends of the round rod 52 are welded between the connecting seats 18. The surface of the round rod 52 is slidably connected to the movable block 53, and the side away from the movable block 53 is hingedly connected to the other end of the top of the folding rod 51.

[0030] When in use, the second motor 41 is started. When the output end of the second motor 41 rotates, the threaded rod 42 rotates accordingly, so that the support block 45 connected to its surface moves toward the side close to the second motor 41. When the support block 45 moves, the moving block 44 is driven by the connecting rod 46 to slide on the surface of the slide rod 43. The movement of the moving block 44 causes one end of the bottom of the folding rod 51 hingedly connected to it to move accordingly. At this time, the other end of the bottom of the folding rod 51 rotates on the top of the base 1 through the positioning block 54, and at the same time, one end of the top of the folding rod 51 rotates on the bottom of the support plate 4 through the fixed block 17. The other end of the top of the folding rod 51 drives the movable block 53 hingedly connected to it to move in the same direction on the surface of the round rod 52, so that the spraying height can be adjusted through the folding rod 51, and then the plants of different heights can be sprayed within the adjustment range, which is convenient for users.

[0031] A rotating mechanism for 180° rotation and spraying is installed on the top of the support plate 4, and the rotating mechanism includes a third motor 61, a rotating disk 62 and a support rod 63. The third motor 61 is installed in the middle of the top of the support plate 4 by bolts, and the output end of the third motor 61 is fixedly connected to the bottom of the rotating disk 62 through a rotating shaft, and a plurality of support rods 63 distributed in a circle are welded to the bottom of the rotating disk 62. A circular groove 19 located at the bottom of the support rod 63 is opened on the top of the support plate 4, and the bottom of the support rod 63 is rotatably connected to a roller 64 located inside the circular groove 19, and the roller 64 is slidably connected to the circular groove 19. When in use, the third motor 61 is started, and when the output end of the third motor 61 rotates, the rotating disk 62 rotates accordingly, so that the support rod 63 drives the roller 64 to slide and move inside the circular groove 19, and the support rod 63 and the roller 64 cooperate to provide stable support for the rotating disk 62.

[0032] An adjusting mechanism for adjusting the spraying angle is installed on the top of the rotating disk 62, and the adjusting mechanism includes a fourth motor 71, a disk 72 and a positioning rod 73. A mounting block 74 is welded to one side of the top of the rotating disk 62, and a fourth motor 71 located at the top of the rotating disk 62 is installed on one side of the mounting block 74. The output end of the fourth motor 71 passes through the mounting block 74 and extends to one side of the mounting block 74 and is fixedly connected to the middle part of one side of the disk 72 through a rotating shaft. The end of the disk 72 on one side away from the mounting block 74 is rotatably connected to one end of the positioning rod 73 through a rotating shaft, and the other end of the positioning rod 73 is connected to a spraying mechanism for spraying, and the spraying mechanism includes a spraying pipe 81 and a spraying bucket 82. The other end of the positioning rod 73 is hingedly connected to the spraying pipe 8 1, one end of the spray pipe 81 away from the positioning rod 73 is connected and welded with a spray bucket 82, the top of the rotating disk 62 is welded with fixed plates 83 located on both sides of the spray pipe 81, and the sides of the spray pipe 81 close to the fixed plate 83 are welded with limit rods 84, and the other ends of the limit rods 84 are rotatably connected to the inside of the fixed plate 83. When in use, the user starts the fourth motor 71, and when the output end of the fourth motor 71 rotates, the disc 72 starts to rotate, and the positioning rod 73 is driven to make a circular motion while the disc 72 rotates, and then the positioning rod 73 is used to make the spray pipe 81 drive the spray bucket 82 to swing up and down, so that the spraying angle of the spray bucket 82 can be adjusted, thereby increasing the spraying range, and the operation is simple.

[0033] One side of the spray pipe 81 is connected to the water tank 2 through a pumping assembly, which includes a water pump 91, a suction pipe 92 and a telescopic hose 93. The top of the base 1 is equipped with a water pump 91 located on one side of the water tank 2. The side of the water pump 91 close to the water tank 2 is connected and installed with a suction pipe 92, and the other end of the suction pipe 92 extends to the interior of the water tank 2. The end of the water pump 91 away from the suction pipe 92 is connected and installed with a telescopic hose 93, and the other end of the telescopic hose 93 extends to one side of the spray pipe 81 and is connected to the interior of the spray pipe 81. When in use, start the water pump 91 to pump the mixed liquid in the water tank 2 into the telescopic hose 93 through the suction pipe 92, and then transport it into the spray pipe 81 through the telescopic hose 93 to be sprayed out from the spray bucket 82.

[0034] Working principle: When the mobile spraying device is ready to be used, firstly, the water and liquid medicine required for spraying are transported into the water tank 2 through the water inlet pipe 14, the first motor 31 is started to drive the mixing assembly to operate so that it can be fully mixed and stirred, and then the push handle 11 is pushed to make the mobile wheel 10 drive the device to move to a suitable spraying position, the second motor 41 is started to drive the lifting mechanism to operate through the support plate 4 so that the rotating mechanism and the adjusting mechanism drive the spraying mechanism to rise to a suitable spraying height, and then the fourth motor 71 is started to control the operation of the adjusting mechanism so that the spraying mechanism is adjusted to a suitable spraying angle through the positioning rod 73, and the third motor is started. The machine 61 controls the operation of the rotating mechanism, and then drives the spraying mechanism to perform 180° rotating reciprocating spraying through the adjusting mechanism, thereby increasing the spraying area and improving the spraying efficiency. At the same time, the water pump 91 is started to pump the mixed liquid in the water tank 2 into the spraying pipe 81 through the suction pipe 92 and the telescopic hose 93, and spray it out from the spray bucket 82 to nourish the plants. When the spraying operation is completed, the user presses one end of the bottom of the L-shaped plate 22 to release the restriction of the L-shaped plate 22 on the top of the connecting block 23. At this time, the box cover 3 is separated from the water tank 2 by extracting the handle 13, and the inside of the water tank 2 can be cleaned. The operation is simple and convenient to use.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mobile spraying device, comprising a base (1), wherein the bottom of the base (1) is provided with moving wheels (10) arranged in a rectangular shape, and a push handle (11) is welded on one side of the top of the base (1), wherein: A water tank (2) located on one side of the push handle (11) is welded to the top of the base (1); a tank cover (3) is movably mounted on the top surface of the water tank (2) via a connecting assembly; a mixing mechanism for mixing and stirring liquid is disposed inside the water tank (2); a lifting mechanism for controlling the spraying height is disposed on one side of the water tank (2) and is located on the top of the base (1); a support plate (4) is mounted on the top of the lifting mechanism; a rotating mechanism for performing 180° rotation and spraying is disposed on the top of the support plate (4); an adjusting mechanism for adjusting the spraying angle is disposed on the top of the rotating mechanism; a spraying mechanism for spraying is mounted on one end of the adjusting mechanism; and one side of the spraying mechanism is connected to the water tank (2) via a pumping assembly.

2. A mobile spraying device according to claim 1, characterized in that: A transparent observation window (12) is installed on one side of the water tank (2), and handles (13) are symmetrically welded on the top of the tank cover (3), and a water inlet pipe (14) located on the top of the tank cover (3) is installed between the handles (13).

3. A mobile spraying device according to claim 1, characterized in that: The connection assembly comprises a limiting block (21), an L-shaped plate (22), a connecting block (23), a spring (24) and a sealing ring (25). The limiting blocks (21) are symmetrically welded to the top ends of both sides of the water tank (2). The limiting blocks (21) are rotatably connected to the two sides of the L-shaped plate (22) by a rotating shaft when they are close to each other. The connecting blocks (23) located above the limiting blocks (21) are welded to both sides of the box cover (3). The top of the connecting block (23) is clamped with the bottom of one side of the L-shaped plate (22). The spring (24) located below the limiting block (21) is welded to the bottom end of the side of the L-shaped plate (22) close to the water tank (2). The other end of the spring (24) is welded to the side of the water tank (2). The sealing ring (25) extending to the inside of the water tank (2) is welded to the bottom of the box cover (3), and the outer wall of the sealing ring (25) is in contact with the inner wall of the water tank (2).

4. A mobile spraying device according to claim 1, characterized in that: The mixing mechanism comprises a first motor (31), a rotating rod (32), a U-shaped rod (33) and a mixing rod (34); the first motor (31) is mounted on one side of the bottom of the base (1) by means of bolts; the output end of the first motor (31) is fixedly connected to the rotating rod (32) by means of a rotating shaft; one end of the rotating rod (32) passes through the base (1) and extends to the inside of the water tank (2) where a U-shaped rod (33) is welded; and a plurality of mixing rods (34) distributed symmetrically are welded on both end surfaces of the U-shaped rod (33) at equal distances.

5. A mobile spraying device according to claim 1, characterized in that: The lifting mechanism comprises a second motor (41), a threaded rod (42), a sliding rod (43), a moving block (44), a supporting block (45) and a lifting assembly. A second motor (41) located at the top of the base (1) is installed on one side of the water tank (2). The output end of the second motor (41) is fixedly connected to the threaded rod (42) via a rotating shaft. A mounting seat (15) located between the second motor (41) and the water tank (2) is welded to the top of the base (1). The other end of the threaded rod (42) is rotatably mounted inside the mounting seat (15). Two sides of the threaded rod (42) are welded to the mounting seat (15). ) has a rectangular fixed seat (16) at the top, and the two ends of the sliding rod (43) are welded between the fixed seats (16) close to each other. The surfaces of the sliding rod (43) and the threaded rod (42) are respectively penetrated by a moving block (44) and a supporting block (45). The moving blocks (44) are slidably connected to the sliding rod (43), and the supporting blocks (45) are rotatably connected to the threaded rod (42) by threads. The two sides of the supporting blocks (45) are fixedly connected to the side surfaces of the moving blocks (44) by connecting rods (46), and a lifting assembly is installed on the side of the moving blocks (44) away from the connecting rod (46).

6. A mobile spraying device according to claim 5, characterized in that: The lifting assembly comprises a folding rod (51), a round rod (52) and a movable block (53); a side of the movable block (44) away from the connecting rod (46) is hingedly connected to one end of the bottom of the folding rod (51); the other end of the bottom of the folding rod (51) is rotatably connected to the top of the base (1) through a positioning block (54); one end of the top of the folding rod (51) is rotatably connected to the bottom of the support plate (4) through a fixing block (17); a connecting seat (18) distributed in a rectangular shape is welded to the side of the bottom of the support plate (4) away from the fixing block (17); two ends of the round rod (52) are welded between the connecting seats (18); the surface of the round rod (52) is slidably connected to the movable block (53); the side of the movable block (53) away from the connecting rod (4) is hingedly connected to the other end of the top of the folding rod (51); and a rotating mechanism is installed on the top of the support plate (4).

7. A mobile spraying device according to claim 6, characterized in that: The rotating mechanism comprises a third motor (61), a rotating disk (62) and a support rod (63); the third motor (61) is installed in the middle of the top of the support plate (4) by means of bolts; the output end of the third motor (61) is fixedly connected to the bottom of the rotating disk (62) by means of a rotating shaft; a plurality of support rods (63) distributed in a circumferential manner are welded to the bottom of the rotating disk (62); a circular groove (19) located at the bottom of the support rod (63) is provided at the top of the support plate (4); the bottom of the support rod (63) is rotatably connected to a roller (64) located inside the circular groove (19), and the roller (64) is slidably connected to the circular groove (19); an adjusting mechanism is installed at the top of the rotating disk (62).

8. A mobile spraying device according to claim 7, characterized in that: The regulating mechanism comprises a fourth motor (71), a disc (72) and a positioning rod (73); a mounting block (74) is welded to one side of the top of the rotating disc (62); a fourth motor (71) located at the top of the rotating disc (62) is mounted on one side of the mounting block (74); an output end of the fourth motor (71) passes through the mounting block (74) and extends to one side of the mounting block (74) and is fixedly connected to the middle of one side of the disc (72) via a rotating shaft; an end of one side of the disc (72) away from the mounting block (74) is rotatably connected to one end of the positioning rod (73) via a rotating shaft; and the other end of the positioning rod (73) is connected to a spraying mechanism.

9. A mobile spraying device according to claim 8, characterized in that: The spraying mechanism comprises a spraying pipe (81) and a spraying bucket (82); the other end of the positioning rod (73) is hingedly connected to the end of the spraying pipe (81); one end of the spraying pipe (81) away from the positioning rod (73) is connected and welded to the spraying bucket (82); the top of the rotating disk (62) is welded with fixed plates (83) located on both sides of the spraying pipe (81); the side surfaces of the spraying pipe (81) close to the fixed plates (83) are welded with limiting rods (84); the other ends of the limiting rods (84) are rotatably connected to the inside of the fixed plates (83); one side of the spraying pipe (81) is connected to the water tank (2) via a pumping assembly.

10. A mobile spraying device according to claim 9, characterized in that: The pumping assembly comprises a water pump (91), a water suction pipe (92) and a telescopic hose (93); the top of the base (1) is provided with the water pump (91) located on one side of the water tank (2); the side of the water pump (91) close to the water tank (2) is connected to the water suction pipe (92); the other end of the water suction pipe (92) extends to the interior of the water tank (2); the end of the water pump (91) away from the water suction pipe (92) is connected to the telescopic hose (93); the other end of the telescopic hose (93) extends to one side of the spray pipe (81) and is connected to the interior of the spray pipe (81).

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