Jet seeding device for forest and grass seeds

Abstract

The invention relates to the technical field of spray seeding grass planting, in particular to a spray seeding device for forest grass seeds. A forest and grass seed jet seeding device comprises a vehicle body, a seed storage box, a jet mechanism, a conveying mechanism and a rotating mechanism, a walking mechanism is mounted at the bottom of the vehicle body, and a mounting plate is arranged at the top end of the vehicle body; the seed storage box is connected to the mounting plate, and a feeding hole and a discharging hole are formed in the seed storage box; the spraying mechanism is connected to the mounting plate and comprises a fixing box, a spraying pipe, a nozzle and a pneumatic driving assembly, the spraying pipe communicates with the fixing box, the nozzle communicates with the end, away from the fixing box, of the spraying pipe, and the pneumatic driving assembly is used for driving the nozzle to eject seeds; the conveying mechanism is communicated with the discharge hole and the fixed box; the rotating mechanism is connected to the mounting plate and used for driving the fixing box to rotate. The forest and grass seed jet seeding device provided by the invention can adapt to different seed sizes and shapes, and can ensure the seeding uniformity and precision under complex terrains.

Description

Technical Field

[0001] The invention relates to the technical field of spray seeding grass, in particular to a spray seeding device for forest grass seeds. Background Art

[0002] With the increasing emphasis on ecological construction and environmental protection, the demand for forest and grass planting is increasing. Grasslands and forests can carry out photosynthesis, separate carbon dioxide from the environment, accumulate it to form tree trunks, and release oxygen at the same time. Therefore, planting grass and afforestation can maintain ecological balance and prevent soil erosion. At the same time, as a natural carbon collection site, it is also an important measure to achieve carbon peak.

[0003] For forest and grass planting, the traditional sowing method relies on manual labor, and it is difficult to ensure sowing efficiency and uniformity. Mechanized sowing devices have greatly improved sowing efficiency. Most of the mechanized sowing devices on the market use pneumatic or mechanical seeders for sowing, but the existing devices have the following defects: ①. When faced with different sizes and shapes of forest and grass seeds, sowing uniformity and accuracy will be greatly affected; ②. When facing complex terrains such as slopes and side slopes, the sowing effect is unstable. Summary of the invention

[0004] In order to provide a forest and grass seed jet sowing device that can adapt to different seed sizes and shapes and ensure sowing uniformity and accuracy even in complex terrains, the present application provides a forest and grass seed jet sowing device.

[0005] The present application provides a spraying device for forest and grass seeds using the following technical solutions: A spraying device for forest and grass seeds, comprising: A vehicle body, wherein a running mechanism is installed at the bottom of the vehicle body and a mounting plate is provided at the top of the vehicle body; A seed storage box, the seed storage box is connected to the mounting plate, and the seed storage box is provided with a feed inlet and a discharge outlet; An injection mechanism, the injection mechanism is connected to the mounting plate, the injection mechanism comprises a fixed box, an injection pipe, a nozzle and a pneumatic drive assembly, the injection pipe is connected to the fixed box, the nozzle is connected to an end of the injection pipe away from the fixed box, and the pneumatic drive assembly is used to drive the nozzle to eject seeds; A conveying mechanism, the conveying mechanism being connected to the discharge port and the fixed box; A rotating mechanism is connected to the mounting plate, and the rotating assembly is used to drive the fixed box to rotate.

[0006] By adopting the above technical solution, forest grass seeds are placed in the seed storage box through the feed port, the conveying mechanism transports the forest grass seeds to the fixed box, and the pneumatic drive component is used to extract the seeds in the fixed box and drive the nozzle to eject the seeds, thereby completing the spray sowing of forest grass seeds. The fixed box is rotated by the rotating mechanism, so that the direction of the nozzle changes, which is convenient for changing the spray sowing direction of the seeds. The walking mechanism is used to drive the spray sowing device to move to different positions.

[0007] Optionally, the nozzle includes a connecting pipe connected to the injection pipe, the end of the connecting pipe is slidably connected to a sliding ring, the inner wall of the connecting pipe is evenly provided with a plurality of splicing plates, the splicing plates are hinged to the inner wall of the connecting pipe, the sliding ring is hinged with a plurality of adjusting rods, the adjusting rods are hinged to the splicing plates, the plurality of splicing plates are jointly provided with a nozzle, and the connecting pipe is provided with a sliding assembly for driving the sliding ring to slide.

[0008] By adopting the above technical solution, the sliding assembly drives the sliding ring to slide along the surface of the connecting pipe. Through the hinged connection between the splicing plate, the connecting pipe and the sliding ring, the splicing plate rotates along the connection with the connecting pipe, so that multiple splicing plates shrink inward or expand outward, and the size of the nozzle formed by the splicing plate will change. The adaptability of the nozzle to forest and grass seeds of different sizes and shapes is achieved, and the sowing accuracy and uniformity are improved.

[0009] Optionally, a compensation plate is provided between adjacent splicing plates, the compensation plate is connected to the inner wall of the splicing plates, the compensation plate is provided with a sliding groove, the splicing plates are connected to mounting columns, and the mounting columns are slidably connected to the sliding grooves.

[0010] By adopting the above technical solution, when the splicing plates shrink or expand, the distance between the splicing plates changes, and the compensation plates can fill the gaps between the splicing plates. This is achieved by the sliding of the mounting column in the sliding groove, thereby improving the sealing and injection accuracy when the nozzle is closed, thereby improving the uniformity and accuracy of seeding.

[0011] Optionally, the sliding assembly includes a sliding cylinder connected to the connecting pipe, and the sliding ring is connected to an output end of the sliding cylinder.

[0012] By adopting the above technical solution, the sliding cylinder realizes the sliding of the sliding ring, thereby realizing automatic adjustment of the nozzle orifice size.

[0013] Optionally, the conveying mechanism includes a feeding pipe and a peristaltic pump, the fixed box is provided with a through opening, two ends of the feeding pipe are respectively connected to the discharge port and the through opening, and two ends of the peristaltic pump are connected to the feeding pipe.

[0014] By adopting the above technical solution, the conveying structure conveys the seeds to the injection mechanism stably and evenly, ensuring the continuity and uniformity of the seeds. The use of the peristaltic pump avoids damage to the seeds and ensures the integrity of the seeds.

[0015] Optionally, the rotating mechanism includes a rotating motor connected to the mounting plate, a rotating table is provided at the output end of the rotating motor, the rotating table is provided with a support column, the fixed box is rotatably connected to the top end of the support column, the support column is hinged with a driving cylinder, and the fixed box is hinged to the output end of the driving cylinder.

[0016] By adopting the above technical solution, the rotating motor drives the rotating table to rotate, so that the direction of the fixed box and the spray pipe changes, and all-round rotating spraying is realized. The driving cylinder drives the angle of the fixed box and the support column to change, so that the spraying direction can be adjusted according to the actual terrain requirements to achieve different spraying heights.

[0017] Optionally, the pneumatic drive assembly includes a fan and an air duct, the fan is mounted on the mounting plate, and two ends of the air duct are respectively connected to the fan and the injection pipe.

[0018] By adopting the above technical solution, the fan provides a stable airflow power for the injection mechanism, and a negative pressure is formed in the injection pipe so that the seeds in the fixed box are sucked into the injection pipe and ejected through the nozzle to achieve seed sowing.

[0019] Optionally, a stirring assembly is provided in the seed storage box, and the stirring assembly includes a stirring motor, a stirring shaft and a spiral blade. The stirring motor is connected to the top wall of the seed storage box through a bearing seat, the stirring shaft is located inside the seed storage box and connected to the output end of the stirring motor, and the spiral blade is connected to the stirring shaft.

[0020] By adopting the above technical solution, the setting of the stirring component can effectively prevent the forest and grass seeds from clumping or stratifying in the seed storage box, ensure the uniform discharge of seeds, and improve the uniformity of sowing.

[0021] Optionally, the walking mechanism includes a driving motor, a chassis, a driving wheel, a driven wheel, a load-bearing wheel and a track, the chassis is connected to the lower end of the vehicle body, the driving wheel and the driven wheel are both rotatably connected to the two ends of the chassis, the load-bearing wheel is rotatably connected to the chassis and is located between the driving wheel and the driven wheel, the two ends of the track are respectively mounted on the driving wheel and the driven wheel, and the driving motor is used to drive the driving wheel to rotate.

[0022] By adopting the above technical solution, the crawler tracks can achieve stable walking on complex terrain, and the load-bearing wheels play a shock-absorbing and stabilizing role, thereby improving the adaptability and working efficiency of the seeding device under terrain conditions such as slopes and side slopes.

[0023] Optionally, the mounting plate is also provided with a battery and a control system, and the control system is electrically connected to the walking mechanism, the pneumatic drive assembly, the rotating mechanism, the peristaltic pump and the sliding cylinder.

[0024] By adopting the above technical solution, the battery and control system realize the power supply and centralized control of the device, and improve the automation degree of the seeding device.

[0025] In summary, this application has the following beneficial effects: 1. The forest and grass seeds are placed in the seed storage box through the feed port. The conveying mechanism transports the forest and grass seeds to the fixed box. The pneumatic drive assembly is used to extract the seeds in the fixed box and drive the nozzle to eject the seeds, thereby completing the spraying of forest and grass seeds. The fixed box is rotated by the rotating mechanism to change the direction of the nozzle, which is convenient for changing the spraying direction of the seeds. The walking mechanism is used to drive the spraying device to move to different locations.

[0026] 2. The sliding assembly drives the sliding ring to slide along the surface of the connecting pipe. Through the hinged connection between the splicing plate, the connecting pipe and the sliding ring, the splicing plate rotates along the connection with the connecting pipe, so that multiple splicing plates shrink or expand, and the size of the nozzle formed by the splicing plate will change. The nozzle is adaptable to forest and grass seeds of different sizes and shapes, and the sowing accuracy and uniformity are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application; Figure 2 This is a schematic diagram of the structure of a seed storage box according to an embodiment of the present application; Figure 3 It is a schematic structural diagram of another angle of the embodiment of the present application as a whole; Figure 4 It is a structural schematic diagram of the walking mechanism and the rotating mechanism of the embodiment of the present application; Figure 5 It is a schematic diagram of the structure of the nozzle of the embodiment of the present application; Figure 6 It is a schematic diagram of the structure of the compensation plate of the embodiment of the present application.

[0028] Description of reference numerals: 1. Car body; 11. Mounting plate; 2. Seed storage box; 21. Feed inlet; 22. Discharge outlet; 3. Injection mechanism; 31. Fixed box; 32. Injection pipe; 33. Nozzle; 34. Air duct; 35. Fan; 4. Conveying mechanism; 41. Conveying pipe; 42. Peristaltic pump; 5. Rotating mechanism; 51. Rotating motor; 52. Rotating table; 53. Support column; 54. Driving cylinder; 6. Connecting pipe; 61. Sliding ring; 62. Splicing plate; 63. Adjusting rod; 64. Compensation plate; 65. Sliding groove; 66. Mounting column; 67. Sliding cylinder; 7. Stirring motor; 71. Stirring shaft; 72. Spiral blade; 8. Driving wheel; 81. Driven wheel; 82. Load-bearing wheel; 83. Track. DETAILED DESCRIPTION

[0029] The present application is further described in detail below in conjunction with the accompanying drawings.

[0030] The present application embodiment discloses a spraying device for seeding forest grass. Figure 1 A spraying and sowing device for forest and grass seeds includes a body 1, a seed storage box 2, a spraying mechanism 3, a conveying mechanism 4 and a rotating mechanism 5, wherein the body 1 is used as a supporting component of the entire device, and a walking mechanism is also provided at the bottom of the body 1 for driving the movement of the spraying and sowing device. A mounting plate 11 is provided at the top of the body 1, and the seed storage box 2, the spraying mechanism 3, the conveying mechanism 4 and the rotating mechanism 5 are all provided above the mounting plate 11, wherein the seed storage box 2 is used for storing forest and grass seeds, and is provided with a feed port 21 and a discharge port 22, the conveying mechanism 4 is used for connecting the discharge port 22 and the spraying mechanism 3, the spraying mechanism 3 sprays the forest and grass seeds out to complete the planting, and the rotating mechanism 5 is used for driving the spraying mechanism 3 to rotate and change the direction of the spraying and sowing.

[0031] See also Figure 2 and Figure 3 The walking mechanism can adopt a crawler 83 mechanism, and the crawler 83 mechanism includes a driving motor, a chassis, a driving wheel 8, a driven wheel 81, a load-bearing wheel 82 and a crawler 83. The chassis is connected to the lower end of the vehicle body 1, the driving wheel 8 is arranged at the front ends of both sides of the chassis, the driven wheel 81 is arranged at the rear ends of both sides of the chassis, and the load-bearing wheel 82 is arranged at the position between the driving wheel 8 and the driven wheel 81. The setting of the load-bearing wheel 82 is convenient for better supporting the vehicle body 1 and reducing the vibration during walking. The driving wheel 8, the driven wheel 81 and the load-bearing wheel 82 are all rotatably connected to the chassis, and the two ends of the crawler 83 are respectively sleeved on the driving wheel 8 and the driven wheel 81. The crawler 83 realizes stable walking on complex terrain, so that the device can adapt to complex terrain conditions such as slopes and edge skins. The driving wheel 8 is connected to the output end of the driving motor, and the driving motor is used to drive the driving wheel 8 to rotate, drive the operation of the crawler 83, and realize the movement of the device.

[0032] The seed storage box 2 includes a box body, which is made of high-strength stainless steel to improve structural strength and corrosion resistance. The box body is designed with a conical bottom to facilitate seed flow, and a visual liquid level indicator is provided on the box body to facilitate operators to understand the storage status of forest and grass seeds. The feed port 21 is set at the top of the box body to facilitate quick addition of seeds; the discharge port 22 is located at the bottom of the box body, and a valve is installed at the discharge port 22 to control the flow of seeds.

[0033] The seed storage box 2 is also provided with a stirring assembly for stirring the forest and grass seeds, and the stirring assembly includes a stirring motor 7, a stirring shaft 71 and a spiral blade 72. The stirring motor 7 is connected to the top wall of the seed storage box 2 through a bearing seat, the stirring shaft 71 is located inside the seed storage box 2 and connected to the output end of the stirring motor 7, and the spiral blade 72 is connected to the stirring shaft 71. After the stirring motor 7 is started, the spiral blade 72 can achieve uniform stirring of the seeds to prevent the seeds from agglomerating or stratifying.

[0034] See also Figure 3 and Figure 4 The conveying mechanism 4 includes a peristaltic pump 42 and a feeding pipe, which is used to convey the forest grass seeds in the seed storage box 2 to the injection mechanism 3. The feeding pipe is connected to the discharge port 22 of the seed storage box 2. The injection mechanism 3 includes a fixed box 31 arranged above the mounting plate 11. The fixed box 31 is provided with a through port. One end of the feeding pipe away from the discharge port 22 is connected to the through port. Both ends of the peristaltic pump 42 are connected to the feeding pipe. The feeding pipe can be made of materials such as polyvinyl chloride (PVC) or polytetrafluoroethylene (PTFE).

[0035] The rotating mechanism 5 is arranged above the mounting plate 11, and the fixed box 31 is arranged above the rotating mechanism 5. The rotating mechanism 5 specifically includes a rotating motor 51, the rotating motor 51 is connected to the mounting plate 11, a rotating table 52 is arranged at the output end of the rotating motor 51, a supporting column 53 is arranged at the center of the rotating table 52, and the fixed box 31 is rotatably connected to the top of the supporting part. The rotation of the rotating table 52 on the horizontal plane changes the direction of the spraying mechanism 3, so that the forest grass seeds are evenly sown to different positions. The rotation connection between the fixed box 31 and the supporting part changes the angle between the spraying mechanism 3 and the vertical direction, so that the ejection port of the spraying mechanism 3 faces different directions, changing the range and height of the spraying sowing. The supporting part is hinged with a driving cylinder 54, and the bottom of the fixed box 31 is hinged to the output end of the driving cylinder 54, but when the driving cylinder 54 telescopically drives one end of the fixed box 31 to move, the fixed box 31 rotates to achieve the angle adjustment with the vertical direction. The hinge is realized by an hinge seat and a hinge head respectively arranged on two parts, one end of the hinge head close to the hinge seat is located in the middle of the hinge seat, and the hinge head and the hinge seat are connected with a rotating shaft.

[0036] See also Figure 5In addition to the fixed box 31, the spray mechanism 3 also includes a spray pipe 32, a nozzle 33 and a pneumatic drive assembly. The spray pipe 32 is connected to the fixed box 31, and the nozzle 33 is connected to the end of the spray pipe 32. The nozzle 33 can adjust the size of the spray hole to adapt to forest and grass seeds of different sizes and shapes. The pneumatic drive assembly is used to drive the nozzle 33 to spray seeds. The nozzle 33 includes a connecting pipe 6 connected to the spray pipe 32. The connecting pipe 6 is made of high-strength plastic or stainless steel. The end of the connecting pipe 6 is slidably connected to a sliding ring 61. The inner wall of the sliding ring 61 is provided with a sealing ring to prevent seed leakage. The nozzle 33 also includes a plurality of splicing plates 62, and the plurality of splicing plates 62 are hinged to the inner wall of the connecting pipe 6. The sliding ring 61 is hinged with a plurality of adjustment rods 63, and the adjustment rods 63 are hinged to the splicing plates 62. A plurality of splicing plates 62 together form a nozzle. When the sliding ring 61 slides along the connecting tube 6, the splicing plates 62 rotate along the connection with the connecting tube 6, and the plurality of splicing plates 62 rotate toward the inside or outside of the connecting tube 6 at the same time, thereby adjusting the size of the nozzle by retracting or expanding, adapting to seeds of different sizes, and reducing the impact on sowing uniformity and accuracy.

[0037] In order to realize automatic adjustment of the sliding ring 61, the connecting pipe 6 is provided with a sliding assembly for driving the sliding ring 61. The sliding assembly is specifically configured as a sliding cylinder 67. The sliding cylinder 67 is connected to the connecting pipe 6, and the sliding ring 61 is connected to the output end of the sliding cylinder 67. In order to keep the sliding ring 61 sliding along the side wall of the connecting pipe 6, a sliding groove 65 is provided on the side wall of the connecting pipe 6, and a sliding bar is provided on the inner side of the sliding ring 61. The sliding bar is located in the sliding groove 65 and can slide along the sliding groove 65, thereby realizing the stability of the adjustment of the nozzle 33.

[0038] See also Figure 6 When the splicing plates 62 are extended outward, gaps may occur between the splicing plates 62 due to the increase in the distance between the splicing plates 62. In order to fill the gaps, a compensation plate 64 is also provided on the inner wall of the splicing plates 62. The compensation plate 64 is arranged between two adjacent splicing plates 62, and sliding grooves 65 are provided on both sides of the compensation plate 64. The splicing plates 62 are provided with mounting posts 66 at positions relative to the sliding grooves 65, and the mounting posts 66 are slidably connected to the sliding grooves 65. When the distance between the splicing plates 62 changes, the mounting posts 66 slide in the sliding grooves 65, so that the compensation plate 64 can always fill the gaps between the adjacent splicing plates 62, thereby maintaining the tightness and closure of the nozzle 33 and improving the sowing effect. The connecting pipe 6 is also provided with a protective cover, which is used to cover the surface of the splicing plates 62 to play a protective role.

[0039] The peristaltic pump 42 transports the forest and grass seeds into the fixed box 31. In order to realize the action of the seeds in the fixed box 31 entering the injection pipe 32 and being sprayed out through the nozzle 33, a pneumatic drive assembly is provided. The pneumatic drive assembly includes a fan 35 and an air duct 34. The fan 35 is installed on the mounting plate 11. The two ends of the air duct 34 are respectively connected to the fan 35 and the injection pipe 32. Through the fan 35, a negative pressure is formed in the injection pipe 32. Under the action of the pressure difference between the injection pipe 32 and the fixed box 31, the forest and grass seeds enter the injection pipe 32 from the fixed box 31 and are sprayed out through the nozzle to achieve sowing.

[0040] The mounting plate 11 is also provided with a battery and a control mechanism. The battery serves as the power source for the entire device. The control mechanism is electrically connected to the walking mechanism, the pneumatic drive assembly, the rotating mechanism 5, the peristaltic pump 42 and the sliding cylinder 67. The control mechanism controls them to enhance the intelligence and automation of the device.

[0041] The implementation principle of the spraying sowing device for forest and grass seeds in the embodiment of the present application is as follows: When using a jet seeding unit, the steps are: Turn on the battery power supply, turn on the control system, make the device start working, put the forest grass seeds in the seed storage box 2, and start the stirring component to stir the forest grass seeds; According to the size and shape of the forest grass seeds, the control system controls the sliding cylinder 67 to push the sliding ring 61 to slide, driving the splicing plate 62 to retract or expand, and the mounting column 66 to slide in the sliding groove 65, thereby changing the size of the nozzle to adapt to the forest grass seeds; The sowing device is driven to the predetermined planting place by the walking mechanism, and the rotating motor 51 drives the rotating platform 52 to rotate, driving the fixed box 31 and the spray pipe 32 to change their directions and align with the predetermined planting direction; The control system controls the peristaltic pump 42 and the fan 35 to start, and the peristaltic pump 42 moves the seeds in the seed storage box 2 through the discharge port 22 and the conveying pipe 41 to the fixed box 31, and the fan 35 is started to form a negative pressure in the injection pipe 32, so that the seeds in the fixed box 31 enter the injection pipe 32 and are sprayed out through the nozzle 33; The driving cylinder 54 drives the fixed box 31 to rotate, so that the angle of the spray pipe 32 with the vertical direction changes, and spraying and sowing are performed at positions of different heights to complete the planting of forest and grass seeds.

[0042] This specific implementation manner is merely an explanation of the present application and is not a limitation of the present application. After reading this specification, those skilled in the art may make non-creative modifications to the specific implementation manner as needed, but such modifications are protected by the patent law as long as they are within the scope of the claims of the present application.

Claims

1. A spraying device for forest and grass seeds, characterized in that: include: A vehicle body (1), wherein a walking mechanism is installed at the bottom of the vehicle body (1), and a mounting plate (11) is provided at the top of the vehicle body (1); A seed storage box (2), the seed storage box (2) being connected to the mounting plate (11), the seed storage box (2) being provided with an inlet (21) and an outlet (22); An injection mechanism (3), the injection mechanism (3) is connected to the mounting plate (11), the injection mechanism (3) comprises a fixed box (31), an injection pipe (32), a nozzle (33) and a pneumatic drive assembly, the injection pipe (32) is connected to the fixed box (31), the nozzle (33) is connected to an end of the injection pipe (32) away from the fixed box (31), and the pneumatic drive assembly is used to drive the nozzle (33) to inject seeds; A conveying mechanism (4), wherein the conveying mechanism (4) is connected to the discharge port (22) and the fixed box (31); A rotating mechanism (5), the rotating mechanism (5) is connected to the mounting plate (11), and the rotating assembly is used to drive the fixed box (31) to rotate.

2. The spraying device for forest and grass seeds according to claim 1, characterized in that: The nozzle (33) comprises a connecting pipe (6) connected to the injection pipe (32); the end of the connecting pipe (6) is slidably connected to a sliding ring (61); the inner wall of the connecting pipe (6) is evenly provided with a plurality of splicing plates (62); the splicing plates (62) are hinged to the inner wall of the connecting pipe (6); the sliding ring (61) is hinged with a plurality of adjusting rods (63); the adjusting rods (63) are hinged to the splicing plates (62); a plurality of the splicing plates (62) are jointly provided with a nozzle; and the connecting pipe (6) is provided with a sliding component for driving the sliding ring (61) to slide.

3. A spraying device for forest and grass seeds according to claim 2, characterized in that: A compensation plate (64) is arranged between adjacent splicing plates (62), the compensation plate (64) is connected to the inner wall of the splicing plate (62), the compensation plate (64) is provided with a sliding groove (65), the splicing plate (62) is connected to a mounting column (66), and the mounting column (66) is slidably connected to the sliding groove (65).

4. The spraying device for forest and grass seeds according to claim 2, characterized in that: The sliding assembly comprises a sliding cylinder (67) connected to the connecting pipe (6), and the sliding ring (61) is connected to the output end of the sliding cylinder (67).

5. The spraying device for forest and grass seeds according to claim 4, characterized in that: The conveying mechanism (4) comprises a feeding pipe and a peristaltic pump (42); the fixed box (31) is provided with a through opening; the two ends of the feeding pipe are respectively connected to the discharge port (22) and the through opening; and the two ends of the peristaltic pump (42) are connected to the feeding pipe.

6. The spraying device for forest and grass seeds according to claim 1, characterized in that: The rotating mechanism (5) comprises a rotating motor (51) connected to the mounting plate (11); a rotating platform (52) is provided at the output end of the rotating motor (51); the rotating platform (52) is provided with a supporting column (53); the fixed box (31) is rotatably connected to the top end of the supporting column (53); the supporting column (53) is hinged with a driving cylinder (54); and the fixed box (31) is hinged to the output end of the driving cylinder (54).

7. The spraying device for forest and grass seeds according to claim 1, characterized in that: The air pressure drive assembly comprises a fan (35) and an air duct (34); the fan (35) is mounted on the mounting plate (11); and two ends of the air duct (34) are respectively connected to the fan (35) and the injection pipe (32).

8. The spraying device for forest and grass seeds according to claim 1, characterized in that: A stirring assembly is arranged in the seed storage box (2), and the stirring assembly comprises a stirring motor (7), a stirring shaft (71) and a spiral blade (72); the stirring motor (7) is connected to the top wall of the seed storage box (2) via a bearing seat; the stirring shaft (71) is located inside the seed storage box (2) and connected to the output end of the stirring motor (7); and the spiral blade (72) is connected to the stirring shaft (71).

9. The spraying device for forest and grass seeds according to claim 1, characterized in that: The walking mechanism comprises a driving motor, a chassis, a driving wheel (8), a driven wheel (81), a load-bearing wheel (82) and a crawler belt (83); the chassis is connected to the lower end of the vehicle body (1); the driving wheel (8) and the driven wheel (81) are both rotatably connected to the two ends of the chassis; the load-bearing wheel (82) is rotatably connected to the chassis and is located between the driving wheel (8) and the driven wheel (81); the two ends of the crawler belt (83) are respectively sleeved on the driving wheel (8) and the driven wheel (81); and the driving motor is used to drive the driving wheel (8) to rotate.

10. The spraying device for forest and grass seeds according to claim 5, characterized in that: The mounting plate (11) is also provided with a storage battery and a control system, and the control system is electrically connected to the walking mechanism, the pneumatic drive assembly, the rotating mechanism (5), the peristaltic pump (42) and the sliding cylinder (67).

Images