A slurry seeding device for grass seed cultivation of a slope spraying type

Abstract

The application relates to the technical field of seed cultivation, and in particular relates to a slope-spraying type grass seed cultivation mud seeding device, which is installed on a mobile vehicle body, the end of the mobile vehicle body is provided with a supporting table, the grass seed cultivation mud seeding device is arranged on the supporting table, further comprises a stirring tank arranged on the mobile vehicle body; a spraying mechanism is rotationally arranged on the supporting table, one end of the spraying mechanism away from a spraying port is provided with an extension column, the extension column is connected with a rotating mechanism arranged on the supporting table; a pumping mechanism is arranged on the supporting table, and a double channel is formed between the pumping mechanism and the stirring tank; an opening and closing assembly is arranged on the supporting table and connected with the rotating mechanism, the application integrates the channel switching into the conventional action of reciprocating deflection of the spraying pipe, and the channel switching is automatically completed while spraying the clay layer from top to bottom, and the grass seed mud layer spraying can be completed by reversely sweeping from bottom to top, so that stable double-layer substrate structures can be formed on each slope.

Description

Technical Field

[0001] This invention relates to the field of seed cultivation technology, specifically a slope spraying type mud sowing device for grass seed cultivation. Background Technology

[0002] The construction of infrastructure such as highways, water conservancy projects, and mines inevitably leaves behind a large number of exposed slopes. These geological wounds are like scars on the earth; during the rainy season, each square meter of slope can be eroded away by several tons of topsoil, leading to frequent landslides, mudslides, and other disasters. Traditional slope protection methods either use rigid retaining walls to isolate the slopes from nature or leave them to fend for themselves, failing to meet the requirements of disaster prevention and ecological restoration. With the standardized development of the slope ecological restoration industry, the standardized cultivation and precise sowing of grass seeds have become one of the core requirements of seed and seedling cultivation projects, also placing higher demands on the operational precision of hydroseeding equipment.

[0003] To address the aforementioned issues, the current mainstream solution in the industry is slope spraying with grass seed slurry. This involves using specialized equipment to mix grass seeds, wood fiber, water-retaining agents, and adhesives into a slurry, which is then sprayed onto the slope surface to form a substrate covering layer. However, given the extremely poor water and fertilizer retention capacity of native slopes, even directly spraying the grass seed-substrate mixture onto the slope can result in large-scale detachment during the first heavy rainfall due to insufficient adhesion between the substrate and the slope. Therefore, before grass seed spraying, the slope surface needs to be sprayed with clay to provide a stable substrate for subsequent grass seed sowing. Most existing slurry sowing devices only have single-channel or independent multi-jet pipelines. To achieve a two-layer structure of clay substrate and grass seed layer through layered spraying, operators need to manually close the corresponding valves and switch to the grass seed slurry pipeline after spraying the clay substrate, and may even need to change nozzles adapted to different materials. This makes it difficult to quickly complete large-area slope operations. Summary of the Invention

[0004] The purpose of this invention is to provide a slope spraying type mud seeding device for grass seed cultivation, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A slope spraying type mud sowing device for grass seed cultivation is installed on a mobile vehicle. The end of the mobile vehicle is provided with a support platform, the sowing device is set on the support platform, and a mixing tank is also provided on the mobile vehicle.

[0007] The mixing tank is equipped with independent clay storage cylinders and grass seed slurry storage cylinders.

[0008] The spraying mechanism is rotatably mounted on the support platform, and the deflection of the spraying mechanism is driven by an inclined pusher mounted on the support platform. An extension column is installed at the end of the spraying mechanism away from the spray nozzle, and the extension column is connected to a rotating mechanism mounted on the support platform.

[0009] A pumping mechanism is installed on the support platform. One end is connected to the tail inlet of the spraying mechanism, and the other end is connected to the mixing tank. A double channel is formed between the pumping mechanism and the mixing tank, which can be connected to the clay storage cylinder and the grass seed slurry storage cylinder respectively. By controlling and limiting the materials in the two chambers, the material cannot be pumped out at the same time. This adapts to the requirements of slope spraying operation for seed and seedling cultivation and ensures that the spraying operation is carried out in the process sequence of spraying clay substrate first and then grass seed slurry.

[0010] An opening and closing assembly is mounted on the support platform and connected to the rotating mechanism, which can simultaneously control the conduction of the two channels.

[0011] The above-described slope spraying type mud sowing device for grass seed cultivation: the spraying mechanism includes a spraying pipe, which is set in a forward-leaning inclined structure. Along the central axis of the spraying pipe, a cylindrical connecting sleeve is fitted on the outer wall of the lower middle part of the spraying pipe. The two ends of the connecting sleeve are rotatably connected to the mounting base of the support platform.

[0012] As described above, the slope spraying type mud sowing device for grass seed cultivation includes an electric telescopic rod with an inclined structure. The base at the lower end of the electric telescopic rod is rotatably connected to the hinge seat on the surface of the support platform via a hinge shaft, and the end of the telescopic piston rod at the upper end is rotatably connected to the pipe wall near the front spray nozzle of the spray pipe.

[0013] As described above, the slope spraying type mud sowing device for grass seed cultivation includes a rotating mechanism, a receiving frame on the support platform, the rotating wheel being rotatably mounted on the receiving frame, a drive shaft connected to one end of the rotating wheel, and a vertically arranged rotating rod installed at the other end along the axis. A protruding rod extending outward from the rotating rod away from the axis of the rotating wheel is formed, and a connecting rod is hinged to the protruding rod to form an eccentric crank-slider transmission structure.

[0014] As described above, the slope spraying type mud sowing device for grass seed cultivation: the extension column is coaxially installed on the tail end face of the spray pipe away from the front spray nozzle, and a movable plate is vertically connected along the end side wall of the extension column. The other end of the connecting rod away from the protruding rod is hinged to the movable plate.

[0015] As described above, the slope spraying type mud sowing device for grass seed cultivation includes a pumping mechanism, which is mounted on the support platform. The output end of the pump is connected to the inlet at the tail of the spraying pipe through a discharge pipe, and an inlet pipe is connected to its input end.

[0016] As described above, the slope spraying type mud sowing device for grass seed cultivation includes a clay channel and a mud grass seed channel. One end of the clay channel and the mud grass seed channel are respectively connected to the clay storage cylinder and the grass seed mud storage cylinder, and the other end is connected to the feed pipe. A transition pipe is provided on the clay channel and the mud grass seed channel respectively. An opening and closing component is provided in the transition pipe, and the opening and closing component is driven by a lifting and pressing component provided on the support platform.

[0017] As described above, the slope spraying type mud sowing device for grass seed cultivation includes a ball valve, which is rotatably and sealingly installed in the transition pipe. The ball valve has a through hole along its axis, and a rod that can pass through the transition pipe and is rotatably connected to the ball valve has a threaded groove.

[0018] As described above, the slope spraying type mud sowing device for grass seed cultivation includes a lifting and pressing component, which is mounted on the support platform. A turntable is axially arranged at the upward end of the limit plate, and the turntable is rotatably connected to the limit plate. A rotating shaft is arranged at the end of the turntable away from the limit plate, and the rotating shaft is connected to the transmission shaft through a bevel gear set. Two sets of symmetrically arranged insertion holes are formed on the limit plate, and at least one set of strip grooves are formed on the inner wall of the insertion holes.

[0019] The lifting extrusion component further includes two sets: a lifting shaft, which is arranged along the axis of the insertion hole, and a strip block that is slidably connected to the strip groove is provided on the lifting shaft. A cylindrical cavity is formed at one end of the lifting shaft facing the insertion rod, and one end of the insertion rod is slidably inserted into the cylindrical cavity. A ball bearing that is movably arranged on the inner wall of the cylindrical cavity and is slidably adapted to the threaded groove is provided.

[0020] As described above, the slope spraying type mud sowing device for grass seed cultivation has two sets of symmetrically arranged limiting grooves on the arc surface of the turntable. The ends and tail ends of the two sets of limiting grooves are connected to form a closed loop. The limiting grooves include a high groove, an inclined groove, and a low groove formed therefrom. The height difference between the high groove and the low groove is equal to the lifting distance of the lifting shaft each time. The end of the lifting shaft away from the insertion rod has a protrusion that can be inserted into the limiting groove and slides with the limiting groove.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] By automatically triggering channel switching during the deflection of the spray nozzle, the sequence of spraying clay substrate first and then grass seed slurry is achieved, effectively solving problems such as reversed sequence and incorrect switching timing that are prone to occur in manual operation. This ensures that a stable double-layer matrix structure can be formed on each slope: the bottom clay substrate provides a solid adhesion base for the slope, greatly reducing the risk of grass seed loss due to rainwater erosion; at the same time, the entire double-layer spraying process is completed by the same spraying mechanism, without the need to change nozzles or stop the machine to adjust the pipeline. The spraying pressure and coverage of the clay layer and the grass seed layer are completely consistent, avoiding problems such as uneven spraying thickness and local missed spraying caused by changing machinery in traditional solutions.

[0023] By integrating channel switching into the regular reciprocating deflection of the spray pipe, the channel switching is automatically completed while spraying the clay layer from top to bottom, and the grass seed mud layer can be sprayed by sweeping in the opposite direction from bottom to top. The entire process does not require machine stoppage for adjustment or manual valve operation. Compared with the traditional manual switching solution, it effectively improves the overall construction efficiency. At the same time, only the operator needs to control the intermittent stepping of the mobile vehicle to complete the large-area slope operation. There is no need for a dedicated person to stand at the rear of the vehicle to operate. A single person can complete the spraying of the entire slope, which greatly reduces the labor intensity of the operator and is suitable for the operation requirements of seed and seedling cultivation projects.

[0024] Through the eccentric crank-slider transmission structure, the deflection angle of the spray pipe can be accurately converted into the fixed-angle rotation of the wheel, ensuring that the triggering timing of the opening and closing component is perfectly matched with the deflection stroke of the spray pipe. Switching will only be triggered when the spray pipe deflects to the end of the preset stroke (i.e., the clay layer spraying is completed), without any problems of premature or delayed triggering. The small-amplitude movement of the spray pipe can output the rotation angle that meets the switching requirements of the opening and closing component, without increasing the deflection stroke of the spray pipe, and will not affect the normal range of the spraying operation.

[0025] By using a closed limiting groove in conjunction with a symmetrical lifting shaft, the channel state can be automatically reset after each reciprocating deflection of the spray pipe, making it suitable for segmented operations on continuous long slopes without the need for additional manual reset, thus greatly improving the smoothness of the operation. Attached Figure Description

[0026] Figure 1 A schematic diagram of a mud-slurry sowing device for slope spraying grass seed cultivation;

[0027] Figure 2 A schematic elevation view of a slope-spraying mud-slurry sowing device for grass seed cultivation;

[0028] Figure 3 This is a schematic diagram of the support platform and spraying mechanism in a slope spraying type mud seeding device for grass seed cultivation.

[0029] Figure 4This is a schematic diagram of the spraying mechanism and pumping mechanism in a slope spraying type mud seeding device for grass seed cultivation.

[0030] Figure 5 This is a schematic diagram of the inclined pusher and spray pipe in a slope spray-type mud seeding device for grass seed cultivation.

[0031] Figure 6 A schematic diagram of the spray pipe in a mud-slurry sowing device for grass seed cultivation on a slope.

[0032] Figure 7 A schematic diagram of the rotating disc in a mud-slurry seeding device for slope spraying grass seed cultivation;

[0033] Figure 8 A schematic diagram of the rotating mechanism in a mud-slurry sowing device for slope spraying grass seed cultivation;

[0034] Figure 9 A schematic diagram of the dual-channel structure in a slope-jetting mud-slurry seeding device for grass seed cultivation;

[0035] Figure 10 A schematic diagram of the lifting and pressing components and opening and closing assembly in a slope spraying type mud seeding device for grass seed cultivation;

[0036] Figure 11 This is a schematic diagram of the opening and closing components in a slope spray-type mud seeding device for grass seed cultivation.

[0037] In the diagram: 1. Support platform; 2. Injection pipe; 3. Vertical pump; 4. Electric telescopic rod; 5. Connecting sleeve; 6. Support frame; 7. Rotary wheel; 8. Rotating rod; 9. Connecting rod; 10. Drive shaft; 11. Movable plate; 12. Bevel gear set; 13. Turntable; 1301. Limiting groove; 14. Clay channel; 15. Mud and grass seed channel; 16. Extension column; 17. Limiting plate; 1701. Insertion hole; 18. Ball valve; 1801. Through hole; 19. Lifting shaft; 1901. Protrusion; 20. Insertion rod; 2001. Threaded groove; 21. Feed pipe; 22. Discharge pipe. Detailed Implementation

[0038] Various exemplary embodiments, features, and aspects of this application will now be described in detail with reference to the accompanying drawings. The same reference numerals in the drawings denote elements that have the same or similar functions. Although various aspects of the embodiments are shown in the drawings, they are not necessarily drawn to scale unless specifically indicated otherwise.

[0039] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments.

[0040] Furthermore, to better illustrate this application, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this application can be implemented even without certain specific details. In some instances, methods, means, and elements well-known to those skilled in the art have not been described in detail in order to highlight the main points of this application.

[0041] Please see Figures 1-11 In this embodiment of the invention, a slope spraying type mud sowing device for grass seed cultivation is installed on a mobile vehicle. The end of the mobile vehicle is provided with a support platform 1, the sowing device is disposed on the support platform 1, and a mixing tank is disposed on the mobile vehicle.

[0042] The mixing tank is equipped with independent clay storage cylinders and grass seed slurry storage cylinders.

[0043] The spraying mechanism is rotatably mounted on the support platform 1, and the deflection of the spraying mechanism is driven by the inclined pusher mounted on the support platform 1. An extension column 16 is installed at the end of the spraying mechanism away from the spray nozzle, and the extension column 16 is connected to the rotating mechanism mounted on the support platform 1.

[0044] A pumping mechanism is installed on the support platform 1. One end is connected to the tail feed port of the spraying mechanism, and the other end is connected to the mixing tank. A double channel is formed between the pumping mechanism and the mixing tank, which can be connected to the clay storage cylinder and the grass seed mud storage cylinder respectively. By controlling and limiting the materials in the two chambers, the material cannot be pumped at the same time. This adapts to the requirements of slope spraying operation for seed and seedling cultivation and ensures that the spraying operation is carried out in the process sequence of spraying clay substrate first and then grass seed mud.

[0045] An opening and closing assembly is mounted on the support platform 1 and connected to the rotating mechanism, which can simultaneously control the conduction of the two channels.

[0046] In this embodiment, when the mobile vehicle moves to the designated area, the spray nozzle of the spraying mechanism faces the slope. At this time, the channel between the pumping mechanism and the clay storage cylinder is open, while the channel between the pumping mechanism and the grass seed slurry storage cylinder is blocked. By activating the tilting pusher and the pumping mechanism simultaneously, the pumping mechanism first extracts and transports the clay to the spraying mechanism. The spraying mechanism then sprays the slope to form a clay layer. The clay substrate can provide a stable substrate for subsequent grass seed sowing, preventing the grass seeds from being washed away by rainwater. During the spraying process, the spraying angle of the spraying mechanism changes, and the overall deflection of the spraying mechanism drives the rotating mechanism to transmit power to the opening and closing components. When the spraying mechanism is about to deflect to the end of its stroke, the two opening and closing components can... The system automatically switches between the open and closed states of the channels, blocking the channel between the pumping mechanism and the clay storage cylinder while opening the channel between the pumping mechanism and the grass seed slurry storage cylinder. The pumping mechanism then draws the grass seed slurry and delivers the evenly mixed slurry to the spraying mechanism. The same spraying mechanism continues to evenly spray the already formed clay layer surface, completing the grass seed slurry layer. The entire spraying process is completed by the same spraying mechanism, eliminating the need to change nozzles or stop the machine to adjust the pipeline. The spraying mechanism completes the channel switching while adjusting the spraying angle, ensuring that the clay substrate is sprayed first, followed by the grass seed slurry. This guarantees consistent spraying pressure and coverage for both layers, preventing localized missed spraying or insufficient thickness.

[0047] As a further embodiment of the present invention, please refer to... Figures 3-6 The spraying mechanism includes a spray pipe 2, which is inclined in a forward-leaning manner. A cylindrical connecting sleeve 5 is fitted on the outer wall of the lower middle part of the spray pipe 2 along the central axis of the spray pipe 2. The two ends of the connecting sleeve 5 are rotatably connected to the mounting base of the support platform 1.

[0048] The tilting pusher includes an electric telescopic rod 4, which is set in an inclined structure. The base at the lower end of the electric telescopic rod 4 is rotatably connected to the hinge seat on the surface of the support platform 1 through a hinge shaft, and the end of the telescopic piston rod at the upper end is rotatably connected to the pipe wall of the injection pipe 2 near the front injection port.

[0049] In the initial state, the electric telescopic rod 4 is in its extended stroke, and the spray nozzle at the front end of the spray pipe 2 corresponds to the upper working area of ​​the slope. When the spraying operation is started, the piston rod of the electric telescopic rod 4 continuously retracts at a constant speed. Since the lower end of the electric telescopic rod 4 is hinged to the support platform 1 and the upper end is rotatably connected to the pipe wall of the spray pipe 2, when the piston rod retracts, it will pull the spray pipe 2 to deflect downward along the rotation axis of the connecting sleeve 5 and the mounting base. The spray nozzle sweeps at a constant speed from top to bottom along the slope, completing continuous spraying from top to bottom. When the spray pipe 2 deflects to the lower end of the stroke (close to the end of the stroke), it just triggers the opening and closing component to complete the channel switching. After the switching is completed, the electric telescopic rod 4 drives the piston rod to retract at a constant speed, pulling the spray pipe 2 to deflect upward along the rotation axis. The spray nozzle sweeps in the opposite direction from bottom to top along the slope, completing the grass seed mud layer from bottom to top. It is suitable for reciprocating spraying operations. The entire deflection process is stable and continuous, achieving uniform spraying across the entire slope.

[0050] As a further embodiment of the present invention, please refer to... Figure 7 and Figure 8 The rotating mechanism includes a rotating wheel 7, and a receiving frame 6 is provided on the support platform 1. The rotating wheel 7 is rotatably mounted on the receiving frame 6. One end of the rotating wheel 7 is connected to a transmission shaft 10, and the other end is mounted with a vertically arranged rotating rod 8 along the axis. The rotating rod 8 extends outward to form a protruding rod away from the axis of the rotating wheel 7. A connecting rod 9 is hinged to the protruding rod to form an eccentric crank-slider transmission structure.

[0051] The extension column 16 is coaxially mounted on the tail end face of the injection pipe 2 away from the front injection port. A movable plate 11 is vertically connected along the end side wall of the extension column 16. The other end of the connecting rod 9 away from the protruding rod is hinged to the movable plate 11.

[0052] When the electric telescopic rod 4 drives the spray pipe 2 to rotate around the connecting sleeve 5, the extension column 16 at the tail of the spray pipe 2 will rotate synchronously with the spray pipe 2, causing the movable plate 11 connected at the end to swing accordingly. The swing of the movable plate 11 causes the hinged connecting rod 9 to perform reciprocating linear motion. The connecting rod 9 then pulls the protruding rod eccentrically set on the rotating wheel 7, converting the linear motion of the connecting rod 9 into the fixed-angle rotational motion of the rotating wheel 7. Finally, the rotating wheel 7 outputs the rotational power to the opening and closing components through the transmission shaft 10, driving the two opening and closing components to move synchronously to complete the channel switching. The whole process relies entirely on the original motion of the spray pipe 2 to output power, without the need for additional power input.

[0053] In this embodiment, an eccentric crank-slider transmission structure is adopted, which can accurately convert the deflection angle of the spray pipe 2 into a fixed angle rotation of the wheel 7. This ensures that the triggering timing of the opening and closing component is perfectly matched with the deflection stroke of the spray pipe 2. Switching will only be triggered when the spray pipe 2 deflects to the end of the preset stroke (i.e., the clay layer spraying is completed). There will be no problem of premature or delayed triggering. The small amplitude of the deflection of the spray pipe 2 is sufficient to output the rotation angle that meets the switching requirements of the opening and closing component. There is no need to increase the deflection stroke of the spray pipe 2, and it will not affect the normal range of the spraying operation.

[0054] As a further embodiment of the present invention, please refer to... Figure 4 The pumping mechanism includes a vertical pump 3, which is installed on the support platform 1. The output end of the vertical pump 3 is connected to the feed inlet at the tail of the injection pipe 2 through the discharge pipe 22, and the input end is connected to the feed pipe 21.

[0055] The dual channels include a clay channel 14 and a mud-grass seed channel 15. One end of the clay channel 14 and the mud-grass seed channel 15 are respectively connected to the clay storage cylinder and the grass seed mud storage cylinder, and the other end is connected to the feed pipe 21. A transition pipe is provided on the clay channel 14 and the mud-grass seed channel 15. An opening and closing component is provided in the transition pipe, and the opening and closing component is driven by a lifting and pressing component provided on the support platform 1.

[0056] Initially, the lifting extruder only keeps the opening and closing components of the clay channel 14 in a compressed and conductive state, while the opening and closing components of the mud and grass seed channel 15 are in a naturally blocked state. When the rotating mechanism drives the transmission shaft 10 to rotate at a certain angle, the rotational power synchronously drives the two lifting extruders to move, causing the lifting extruder that originally compressed and connected the clay channel 14 to rise, releasing the compression on the opening and closing components of the clay channel 14, and the clay channel 14 to be automatically blocked. Meanwhile, the lifting extruder that originally blocked the mud and grass seed channel 15 descends, applying compression to the opening and closing components of the mud and grass seed channel 15, making the mud and grass seed channel 15 open. During the switching process, the vertical pump 3 always maintains stable operation. After the channel switching is completed, the vertical pump 3 directly draws grass seed mud from the grass seed mud storage cylinder, and delivers it to the spray pipe 2 through the feed pipe 21, the vertical pump 3, and the discharge pipe 22 to complete the spraying of grass seed mud. The vertical pump 3 does not need to stop during the entire process, and the power output is continuous and stable.

[0057] In this embodiment, the two channels are each equipped with independent opening and closing components, and the lifting and pressing components are synchronously driven by the power output of the same rotating mechanism. This ensures that the opening and closing actions are completed synchronously, and there will be no problem of the two channels being open or blocked at the same time. During the spraying process, the vertical pump 3 does not need to be stopped and always maintains a stable operating state. This avoids the motor losses caused by the frequent starting and stopping of the pump body required by the traditional switching scheme. At the same time, it ensures stable spraying pressure and will not cause spraying pressure fluctuations due to stopping and restarting, further ensuring uniform spraying thickness.

[0058] As a further embodiment of the present invention, please refer to... Figure 10 and Figure 11 The opening and closing assembly includes a ball valve 18, which is rotatably and sealingly installed in the transition pipe. The ball valve 18 has a through hole 1801 formed along its axis. A plug rod 20 that can pass through the transition pipe and is rotatably connected to the transition pipe is connected to the ball valve 18. A threaded groove 2001 is formed on the plug rod 20.

[0059] The lifting and pressing component includes a limiting disk 17, which is mounted on the support platform 1. A turntable 13 is axially arranged at the upward end of the limiting disk 17. The turntable 13 is rotatably connected to the limiting disk 17, and a rotating shaft is arranged at the end of the turntable 13 away from the limiting disk 17. The rotating shaft is connected to the transmission shaft 10 through a bevel gear set 12. Two sets of symmetrically arranged insertion holes 1701 are formed on the limiting disk 17, and at least one set of strip grooves are formed on the inner wall of the insertion holes 1701.

[0060] The lifting extrusion component also includes two sets: a lifting shaft 19, which is arranged along the axis of the insertion hole 1701, and a strip block that is slidably connected to the strip groove is provided on the lifting shaft 19. A cylindrical cavity is formed at one end of the lifting shaft 19 facing the insertion rod 20. One end of the insertion rod 20 is slidably inserted into the cylindrical cavity. A ball bearing that is movably arranged on the inner wall of the cylindrical cavity and slidably adapted to the threaded groove 2001 is provided.

[0061] Two sets of symmetrically arranged limiting grooves 1301 are formed on the arc-shaped surface of the turntable 13. The ends and tail ends of the two sets of limiting grooves 1301 are connected to form a closed loop. The limiting grooves 1301 include a high groove, an inclined groove and a low groove formed therefrom. The height difference between the high groove and the low groove is equal to the lifting distance of the lifting shaft 19 each time. The end of the lifting shaft 19 away from the insertion rod 20 has a protrusion 1901 that can be inserted into the limiting groove 1301 and slides with the limiting groove 1301.

[0062] After the drive shaft 10 completes a fixed angle rotation with the rotating wheel 7, it synchronously drives the two turntables 13 to rotate in the same direction through the bevel gear set 12. The closed limiting groove 1301 on the turntable 13 synchronously drives the protrusion 1901 on the lifting shaft 19 to move along the groove.

[0063] In the initial state, the protrusion 1901 on the lifting shaft 19 corresponding to the clay channel 14 is located in the low position groove within the limiting groove 1301, the lifting shaft 19 is in the low position, and the squeezing rod 20 makes the through hole 1801 of the ball valve 18 coaxially aligned with the transition pipe, and the clay channel 14 remains open; the protrusion 1901 on the lifting shaft 19 corresponding to the mud and grass seed channel 15 is located in the high position groove, the lifting shaft 19 is in the high position, the through hole 1801 on the ball valve 18 is misaligned with the transition pipe, and the mud and grass seed channel 15 remains blocked.

[0064] When the turntable 13 rotates a certain angle with the drive shaft 10, the protrusions 1901 on the two lifting shafts 19 slide synchronously along the inclined groove. At this time, the protrusions 1901 on the side of the clay channel 14 slide from the low groove through the inclined groove into the high groove, and the lifting shaft 19 rises along the insertion hole 1701. Since the ball and the threaded groove 2001 on the insertion rod 20 are engaged, the lifting shaft 19 drives the insertion rod 20 to rotate 90° during the rising process, and the ball valve 18 rotates 90° synchronously, thereby realizing the misalignment and sealing of the through hole 1801 to block the clay channel 14.

[0065] Simultaneously, the protrusion 1901 on the side of the mud-grass seed channel 15 slides from the high-level groove through the inclined groove into the low-level groove. The lifting shaft 19 descends and compresses the insertion rod 20. Similarly, through the cooperation of the ball bearing and the threaded groove 2001, the insertion rod 20 rotates 90°. The through hole 1801 on the ball valve 18 rotates until it aligns with the transition pipe, and the mud-grass seed channel 15 is opened. Since the limiting groove 1301 is a closed loop, when the spray pipe 2 deflects in the opposite direction and drives the turntable 13 to rotate in the same direction again, the lifting shaft 19 will return to its initial position along the inclined groove. The two channels automatically return to their initial state, adapting to the next section of the slope for spraying operations.

[0066] In this embodiment, the closed limiting groove 1301, in conjunction with the lifting and lowering of the symmetrical lifting shaft 19, allows the turntable 13 to rotate continuously in the same direction, which can drive the lifting shaft 19 to complete the high and low position switching. This adapts to the working rhythm of the spray pipe 2 reciprocating up and down. Each round trip can automatically complete the entire process of "clay layer spraying - channel switching - grass seed layer spraying - channel reset", adapting to the segmented operation requirements of continuous long slopes, without the need for additional reset operation.

[0067] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0068] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A slope spraying type mud sowing device for grass seed cultivation, installed on a mobile vehicle body, wherein a support platform (1) is provided at the end of the mobile vehicle body, the sowing device is provided on the support platform (1), and further includes a mixing tank provided on the mobile vehicle body; Its features : The mixing tank is equipped with independent clay storage cylinders and grass seed slurry storage cylinders. The spraying mechanism is rotatably mounted on the support platform (1), and the deflection of the spraying mechanism is driven by the inclined pusher mounted on the support platform (1). An extension column (16) is installed at the end of the spraying mechanism away from the spray nozzle, and the extension column (16) is connected to the rotating mechanism mounted on the support platform (1). The pumping mechanism is set on the support platform (1), with one end connected to the tail feed port of the spraying mechanism and the other end connected to the mixing tank. The pumping mechanism and the mixing tank form a double channel, which can be connected to the clay storage cylinder and the grass seed mud storage cylinder respectively. By controlling and limiting the materials in the two chambers, the material cannot be pumped at the same time, which is suitable for the slope spraying operation requirements of seed and seedling cultivation, and ensures that the spraying operation is carried out in accordance with the process sequence of spraying clay substrate first and then spraying grass seed mud. An opening and closing component is provided on the support platform (1) and connected to the rotating mechanism, which can simultaneously control the conduction of the two channels.

2. The slope spraying type mud sowing device for grass seed cultivation according to claim 1, characterized in that, The spraying mechanism includes a spray pipe (2), which is set in a forward-leaning inclined structure. Along the central axis of the spray pipe (2), a cylindrical connecting sleeve (5) is fitted on the outer wall of the lower middle part of the spray pipe (2). The two ends of the connecting sleeve (5) are rotatably connected to the mounting base of the support platform (1).

3. The slope spraying type mud sowing device for grass seed cultivation according to claim 2, characterized in that, The inclined pusher includes an electric telescopic rod (4) which is set in an inclined structure. The base at the lower end of the electric telescopic rod (4) is rotatably connected to the hinge seat on the surface of the support platform (1) through a hinge shaft. The end of the telescopic piston rod at the upper end is rotatably connected to the pipe wall of the injection pipe (2) close to the front injection port.

4. The slope spraying type mud sowing device for grass seed cultivation according to claim 2, characterized in that, The rotating mechanism includes a rotating wheel (7), and a support frame (6) is provided on the support platform (1). The rotating wheel (7) is rotatably mounted on the support frame (6). One end of the rotating wheel (7) is connected to a transmission shaft (10), and the other end is mounted with a vertically arranged rotating rod (8) along the axis. The rotating rod (8) extends outward to form a protruding rod away from the axis of the rotating wheel (7). A connecting rod (9) is hinged on the protruding rod to form an eccentric crank-slider transmission structure.

5. A slope-spraying type mud-slurry sowing device for grass seed cultivation according to claim 4, characterized in that, The extension column (16) is coaxially mounted on the tail end face of the injection pipe (2) away from the front injection port. A movable plate (11) is vertically connected along the end side wall of the extension column (16). The other end of the connecting rod (9) away from the protruding rod is hinged to the movable plate (11).

6. A slope-jetting type mud-slurry sowing device for grass seed cultivation according to claim 4, characterized in that, The pumping mechanism includes a vertical pump (3), which is installed on the support platform (1). The output end of the vertical pump (3) is connected to the feed inlet at the tail of the jet pipe (2) through the discharge pipe (22), and the input end is connected to the feed pipe (21).

7. A slope-jetting type mud-slurry sowing device for grass seed cultivation according to claim 6, characterized in that, The dual channels include a clay channel (14) and a mud-grass seed channel (15). One end of the clay channel (14) and the mud-grass seed channel (15) are connected to the clay storage cylinder and the grass seed mud storage cylinder, respectively, and the other end is connected to the feed pipe (21). A transition pipe is provided on the clay channel (14) and the mud-grass seed channel (15). An opening and closing component is provided in the transition pipe, and the opening and closing component is driven by a lifting and pressing component provided on the support platform (1).

8. A slope-jetting type mud-slurry sowing device for grass seed cultivation according to claim 7, characterized in that, The opening and closing assembly includes a ball valve (18), which is rotatably and sealingly installed in the transition tube. The ball valve (18) has a through hole (1801) along its axis. A plug rod (20) is connected to the ball valve (18) and can pass through the transition tube and be rotatably connected to the transition tube. A threaded groove (2001) is formed on the plug rod (20).

9. A slope-spraying type mud-slurry sowing device for grass seed cultivation according to claim 8, characterized in that, The lifting extrusion component includes a limiting disk (17), which is mounted on the support platform (1). A turntable (13) is axially arranged at the upward end of the limiting disk (17). The turntable (13) is rotatably connected to the limiting disk (17), and a rotating shaft is arranged at the end of the turntable (13) away from the limiting disk (17). The rotating shaft is connected to the transmission shaft (10) through a bevel gear set (12). Two sets of symmetrically arranged insertion holes (1701) are formed on the limiting disk (17), and at least one set of strip grooves are formed on the inner wall of the insertion holes (1701). The lifting extrusion component also includes two sets: a lifting shaft (19) arranged along the axis of the insertion hole (1701), and a strip block slidably connected to the strip groove on the lifting shaft (19). A cylindrical cavity is formed at one end of the lifting shaft (19) facing the insertion rod (20), and one end of the insertion rod (20) is slidably inserted into the cylindrical cavity. A ball bearing that is movably adapted to slide with the threaded groove (2001) is movably arranged on the inner wall of the cylindrical cavity.

10. A slope-spraying type mud-slurry sowing device for grass seed cultivation according to claim 9, characterized in that, Two sets of symmetrically arranged limiting grooves (1301) are formed on the arc surface of the turntable (13). The ends and tail ends of the two sets of limiting grooves (1301) are connected to form a closed loop. The limiting groove (1301) includes a high groove, an inclined groove and a low groove formed therefrom. The height difference between the high groove and the low groove is equal to the lifting distance of the lifting shaft (19) each time. The end of the lifting shaft (19) away from the insertion rod (20) has a protrusion (1901) that can be inserted into the limiting groove (1301) and slides with the limiting groove (1301).

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