A PLA sand barrier automated grass laying and planting combined machine

Abstract

This invention relates to the field of PLA sand barrier laying equipment technology, and more particularly to an automated PLA sand barrier laying and grass planting combined machine. It includes a chassis system, with a feeding system on one side for collecting and transporting sand from the ground. Below the top of the feeding system is a sand-filling system for filling the PLA sand barriers and laying them on the ground. On the other side of the chassis system is a perforating and seeding system for piercing the sand barriers and completing the seeding. The feeding system transports sand to the sand-filling system; the auger of the sand-filling system rotates and propels the sand, continuously filling it into the PLA sand barriers pre-fitted at the outlet, forming full sandbags. As the chassis system moves the equipment forward, the sandbags are evenly laid on the ground, forming strip-shaped sand barriers. Immediately following, the perforating and seeding system operates, thus completing the entire process from sand barrier laying to seeding in one operation, greatly improving operational efficiency and the synergy of vegetation restoration.

Description

Technical Field

[0001] This invention relates to the field of PLA sand barrier laying equipment technology, and in particular to a PLA sand barrier automated laying and grass planting combined machine. Background Technology

[0002] PLA sand barriers are sand barrier structures made of polylactic acid (PLA). These barriers are primarily used to prevent soil erosion, stabilize sand, and are applied in desertification control and ecological restoration. PLA is a bio-based and biodegradable polymer with excellent environmental friendliness. The PLA (polylactic acid) sand barrier automated laying and grass planting combined machine is an agricultural machine that integrates sand barrier laying and grass planting functions, mainly used in soil protection, erosion control, and ecological restoration.

[0003] PLA sand barriers are sand barrier structures made of polylactic acid (PLA). These barriers are mainly used to prevent wind erosion and stabilize shifting sand, and are applied in desertification control and ecological restoration. PLA is a bio-based and biodegradable polymer with good environmental friendliness. The PLA (polylactic acid) sand barrier automated laying and grass planting combined machine is an agricultural machine that integrates sand barrier laying and grass planting functions, mainly used in soil protection, erosion control, and ecological restoration.

[0004] Existing desertification control equipment focuses on sand fixation, and there is currently no automated machinery specifically designed for PLA sand barrier installation. PLA sand barriers are installed manually, which is inefficient and labor-intensive, resulting in high overall costs and limited application. This wastes time and human resources, increases operating costs, and can easily lead to damage to the sand barrier structure.

[0005] In summary, existing technologies lack the ability to simultaneously implement sand fixation and ecological restoration in desertification control equipment. Summary of the Invention

[0006] The purpose of this invention is to address the shortcomings of the prior art by proposing a PLA sand barrier automated paving and grass planting combined machine.

[0007] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a PLA sand barrier automated laying and planting machine, comprising a chassis system, a feeding system for collecting and transporting sand from the ground is provided on one side of the chassis system, a sand filling system for filling sand into the PLA sand barrier and laying it on the ground is provided below the top of the feeding system, and a perforation and seeding system for piercing the sand barrier and completing the seeding is provided on the other side of the chassis system.

[0008] Preferably, the chassis system includes a frame connected to a tractor for traction, a power distribution box for distributing electrical energy is fixedly installed on the frame, a generator for providing electrical energy is provided on one side of the power distribution box, and the generator is fixedly connected to the frame.

[0009] Preferably, a guardrail for protecting equipment and personnel is fixedly connected to the frame, and an axle is fixedly connected to one side of the bottom end of the frame, with wheels rotatably connected to both ends of the axle.

[0010] Preferably, the feeding system is a sand-collecting shovel used to collect sand from the ground. The sand-collecting shovel has two symmetrically arranged slider mechanisms on one side. Each slider mechanism includes a sliding frame, on which a guide seat is slidably fitted. The sliding frame is fixedly connected to the sand-collecting shovel by bolts, and the guide seat is fixedly connected to the frame by bolts. A lifting cylinder for controlling the height of the feeding system off the ground is rotatably connected to one side of the sand-collecting shovel, and the other end of the lifting cylinder is rotatably connected to the frame.

[0011] Preferably, a depth-limiting roller for limiting the depth of the sand-collecting shovel into the soil is fixedly connected to the inner side of the sand-collecting shovel, and an auger elevator is welded and fixedly installed at one end of the inner side of the sand-collecting shovel. A lifting motor for providing power to the auger elevator is installed and fixedly installed at the top of the auger elevator.

[0012] Preferably, the sand filling system includes a screw conveyor for pushing sand into the PLA sand barrier. One end of the screw conveyor is fixedly connected to a bearing seat by bolts. A bearing is installed inside the bearing seat. A coupling is installed inside the bearing seat. One end of the coupling is connected to the screw conveyor. The other end of the coupling is fixedly connected to a sand filling motor for driving the screw conveyor. The sand filling motor is fixedly connected to the frame.

[0013] Preferably, a sand box is welded and fixedly connected to one end of the auger sand filling device near the sand filling motor. The sand box is fixedly connected to the frame. An opening is opened at one end of the auger sand filling device inside the sand box. Two lead screw motors are fixedly connected to one side of the sand box in a symmetrical structure. A lead screw is fixedly connected to the output end of the lead screw motor. A movable frame is threaded between the two lead screws. A friction roller motor is installed on the movable frame. Friction rollers for rolling PLA sand barriers into the outer wall of the auger sand filling device by friction are rotatably connected to both sides of the bottom end of the movable frame. The friction rollers and the friction roller motors are connected by chain drive.

[0014] Preferably, the perforated seeding system includes a frame, which is rotatably connected to the machine frame. A seed box for holding grass seeds is fixedly connected to the frame, and tires for walking are rotatably connected to both sides of the bottom end of the frame.

[0015] Preferably, a seed metering device for quantitative seed metering is fixedly connected to the bottom of the seed box. A perforated seed metering tube for perforating sand barriers is slidably fitted on one side of the seed metering device. A seed metering port is opened on one side of the bottom of the perforated seed metering tube so that grass seeds can be sown into the sand barrier bag. A connecting rod is rotatably connected to one end of the perforated seed metering tube. A perforating motor is fixedly connected to one side of the bottom of the frame. The eccentric part of the shaft end of the perforating motor is rotatably connected to the other end of the connecting rod.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The sand is transported to the sand-filling system via a feeding system. The auger in the sand-filling system rotates and propels the sand, continuously filling it into PLA sand barriers pre-fitted at the outlet, forming full sandbags. As the chassis system moves the equipment forward, the sandbags are evenly laid on the ground, forming strip-shaped sand barriers. Immediately following, the perforating and seeding system begins operation. Its piercing components create seed holes in the newly laid sandbags, while the seed metering device precisely places the seeds into the holes, which are then naturally covered by sand. This completes the entire process from sand barrier laying to seed sowing in one go, greatly improving operational efficiency and the synergy of vegetation restoration. By installing lifting cylinders in the feeding system, the height of the feeding system above the ground can be adjusted, allowing the equipment to adapt to different terrains and soil conditions. For example, it can adjust its position in time when the ground is uneven or the terrain is rugged, thus enhancing the flexibility of operation. At the same time, a depth limiting roller is installed in the sand collection shovel to limit the depth of the sand collection shovel into the soil, avoiding soil disturbance and structural damage caused by excessive depth, maintaining the physical and chemical properties of the soil, and protecting the existing soil ecological environment. By setting two friction rollers on the sand filling system, the PLA sand barrier can be fitted onto the outside of the auger sand filling device through friction, so that the PLA sand barrier can be continuously supplied during the laying process. This not only improves the stability and efficiency of equipment operation, but also optimizes material utilization, reduces waste, and thus ensures the laying effect. Attached Figure Description

[0017] Figure 1 This is a side view of the overall structure of the PLA sand barrier automated grass laying and planting combined machine of the present invention; Figure 2 This is a schematic diagram of the other side of the overall structure of the PLA sand barrier automated grass laying and planting combined machine of the present invention; Figure 3 This is a schematic diagram of the chassis system structure of a PLA sand barrier automated grass laying and planting combined machine according to the present invention; Figure 4 This is a schematic diagram of one side of the feeding system structure of a PLA sand barrier automated grass laying and planting combined machine according to the present invention; Figure 5This is a schematic diagram of the other side of the feeding system structure of the PLA sand barrier automated grass laying and planting combined machine of the present invention; Figure 6 This is a top view schematic diagram of the sand-irrigation system structure of a PLA sand barrier automated grass-laying and planting combined machine according to the present invention; Figure 7 This is a schematic diagram of one side of the sand-irrigation system structure of a PLA sand barrier automated grass-laying and planting combined machine according to the present invention; Figure 8 This is a schematic diagram of the perforation and planting system of a PLA sand barrier automated grass laying and planting combined machine according to the present invention.

[0018] The diagram shows: 1. Chassis system; 2. Feeding system; 3. Sand filling system; 4. Perforation and seeding system; 101. Frame; 102. Distribution box; 103. Generator; 104. Guardrail; 105. Axle; 106. Wheel; 201. Sand collection shovel; 202. Lifting motor; 203. Sliding frame; 204. Guide seat; 205. Lifting cylinder; 206. Depth limiting roller; 207. Winch 301. Screw conveyor; 302. Bearing housing; 303. Coupling; 304. Sand filling motor; 305. Sand box; 306. Lead screw motor; 307. Lead screw; 308. Friction roller motor; 309. Friction roller; 401. Frame; 402. Seed box; 403. Tire; 404. Seed metering device; 405. Perforated seed metering pipe; 406. Connecting rod; 407. Perforating motor. Detailed Implementation

[0019] The following description is intended to disclose the invention and enable those skilled in the art to implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0020] like Figures 1-8 The PLA sand barrier automated paving and planting machine shown includes a chassis system 1. A feeding system 2 is provided on one side of the chassis system 1 for collecting and transporting sand from the ground. A sand-filling system 3 is provided below the top of the feeding system 2 for filling the PLA sand barrier with sand and laying it on the ground. A perforating and seeding system 4 is provided on the other side of the chassis system 1 for piercing the sand barrier and completing the seeding.

[0021] The sand is transported to the sand filling system 3 by the feeding system 2. The auger of the sand filling system 3 rotates and propels the sand, continuously filling it into the PLA sand barrier pre-fitted at the outlet, forming full sandbags. As the chassis system 1 moves the equipment forward, the sandbags are evenly laid on the ground, forming strip-shaped sand barriers. Immediately afterwards, the perforating and seeding system 4 operates, its piercing component piercing seed holes in the newly laid sandbags, while the seed metering device 404 precisely places the seeds into the holes, which are then naturally covered by sand. This completes the entire process from sand barrier laying to seed sowing in one go, greatly improving work efficiency and the synergy of vegetation restoration. like Figure 3 As shown, the chassis system 1 includes a frame 101 that is connected to the tractor for traction. A power distribution box 102 for distributing electrical energy is fixedly installed on the frame 101. A generator 103 for providing electrical energy is provided on one side of the power distribution box 102. The generator 103 is fixedly connected to the frame 101.

[0022] The frame 101 is made of high-strength steel welded into shape, with a stable structure and strong load-bearing capacity. It can stably support the feeding system 2, sand filling system 3, perforation and seeding system 4 and other related components. The traction end of the frame 101 is equipped with a standard traction interface, which can be adapted to different models of tractors, making it highly versatile.

[0023] A guardrail 104 for protecting equipment and personnel is fixedly connected to the frame 101. An axle 105 is fixedly connected to one side of the bottom of the frame 101. Wheels 106 are rotatably connected to both ends of the axle 105.

[0024] The guardrail 104 is made of carbon steel pipe welded together, and its height is adapted to the working height of the operator, which can effectively prevent the operator from accidentally contacting the moving parts of the equipment. The axle 105 is made of high-strength cast steel, with strong load-bearing capacity, which can stably support the weight of the frame 101 and various systems. The axle 105 is welded and fixed to the frame 101, and the connection is firm and not easy to deform.

[0025] like Figure 4 , Figure 5 As shown, the feeding system 2 has a sand-collecting shovel 201 for collecting sand from the ground. The sand-collecting shovel 201 has two slider mechanisms arranged symmetrically on one side. The slider mechanism includes a sliding frame 203. A guide seat 204 is slidably fitted on the sliding frame 203. The sliding frame 203 is fixedly connected to the sand-collecting shovel 201 by bolts. The guide seat 204 is fixedly connected to the frame 101 by bolts. A lifting cylinder 205 for controlling the height of the feeding system 2 off the ground is rotatably connected to one side of the sand-collecting shovel 201. The other end of the lifting cylinder 205 is rotatably connected to the frame 101.

[0026] The sand collection shovel 201 is made of wear-resistant manganese steel with a sharpened blade that can easily cut into sand and efficiently collect ground sand. The inner side of the sand collection shovel 201 has an arc-shaped structure, which can guide the sand to converge towards the auger lift 207, reducing sand residue. The surface of the sand collection shovel 201 is treated with an anti-sand erosion coating to extend its service life. The two slider mechanisms are symmetrically arranged to ensure that the sand collection shovel 201 is stable and without deviation during lifting. The sliding frame 203 is made of carbon steel with a smooth surface. The sliding fit between it and the guide seat 204 is moderate, allowing for smooth sliding without jamming. The guide seat 204 is fixed to the frame 101 with high-strength bolts, ensuring a firm connection and supporting the weight of the sand collection shovel 201 and the sand.

[0027] A depth-limiting roller 206 is fixedly connected to the inner side of the sand collecting shovel 201 to limit the depth of the sand collecting shovel 201 into the soil. An auger elevator 207 is welded and fixedly installed at one end of the inner side of the sand collecting shovel 201. A lifting motor 202 that provides power to the auger elevator 207 is installed and fixedly installed at the top of the auger elevator 207.

[0028] The depth limiting roller 206 can preset the depth limit height according to the soil conditions of the desertified area, so as to avoid the sand collecting shovel 201 from going too deep into the soil, disturbing the deep soil structure, and damaging the physical and chemical properties of the soil. The auger elevator 207 is made of carbon steel, and the internal auger blades are treated with wear resistance. The spiral angle is adapted to the sand and soil lifting requirements, and can efficiently transport the sand and soil collected by the sand collecting shovel 201 upward to the sand box 305 of the sand filling system 3.

[0029] like Figure 6 , Figure 7 As shown, the sand filling system 3 includes a screw conveyor sand filling device 301 for pushing sand into the PLA sand barrier. One end of the screw conveyor sand filling device 301 is fixedly connected to a bearing seat 302 by bolts. A bearing is installed inside the bearing seat 302. A coupling 303 is installed inside the bearing seat 302. One end of the coupling 303 is connected to the screw conveyor sand filling device 301. The other end of the coupling 303 is fixedly connected to a sand filling motor 304 for driving the screw conveyor sand filling device 301. The sand filling motor 304 is fixedly connected to the frame 101.

[0030] The auger sand-filling device 301 is made of high-strength carbon steel, and the internal auger blades are treated with wear-resistant and anti-sticking properties to prevent sand from sticking together and ensure that the sand is pushed evenly.

[0031] A sand box 305 is welded and fixedly connected to one end of the auger sand filling device 301 near the sand filling motor 304. The sand box 305 is fixedly connected to the frame 101. An opening is opened at one end of the auger sand filling device 301 inside the sand box 305. Two lead screw motors 306 are fixedly connected to one side of the sand box 305 in a symmetrical structure. A lead screw 307 is fixedly connected to the output end of the lead screw motor 306. A movable frame is threaded between the two lead screws 307. A friction roller motor 308 is installed on the movable frame. Friction rollers 309 are rotatably connected to both sides of the bottom end of the movable frame for using friction to fit the PLA sand barrier into the outer wall of the auger sand filling device 301. The friction rollers 309 and the friction roller motor 308 are connected by chain drive.

[0032] The sand box 305 is made of carbon steel and has a funnel-shaped structure. Its top is connected to the outlet of the auger elevator 207. It can store a certain amount of sand to avoid frequent replenishment of sand. The inner wall of the sand box 305 is smooth to reduce sand residue. The bottom of the sand box 305 corresponds to the opening of the auger sand filling device 301 to ensure that the sand enters the auger sand filling device 301 smoothly.

[0033] like Figure 8 As shown, the perforated seeding system 4 includes a frame 401, which is rotatably connected to the frame 101. A seed box 402 for holding grass seeds is fixedly connected to the frame 401, and tires 403 for walking are rotatably connected to both sides of the bottom end of the frame 401.

[0034] The frame 401 is made of high-strength carbon steel welded into shape, with a stable structure. The surface of the frame 401 is treated to prevent sand erosion and rust, making it suitable for desert operation environments.

[0035] A seed metering device 404 for quantitative seed metering is fixedly connected to the bottom of the seed box 402. A perforated seed metering tube 405 for perforating sand barriers is slidably connected to one side of the seed metering device 404. A seed metering port is opened on one side of the bottom of the perforated seed metering tube 405 so that grass seeds can be sown into the sand barrier bag. A connecting rod 406 is rotatably connected to one end of the perforated seed metering tube 405. A perforating motor 407 is fixedly connected to one side of the bottom of the frame 401. The shaft end of the perforating motor 407 is eccentrically connected to the other end of the connecting rod 406.

[0036] The seed metering device 404 uses a precision quantitative seed metering device, which can accurately adjust the seeding amount according to the grass seed type and sowing density to avoid grass seed waste, while ensuring that the number of seeds in each hole is uniform and improving the grass seed survival rate. The perforated seed metering tube 405 is made of high-strength stainless steel with a sharp conical bottom, which can easily pierce PLA sand barriers and internal sand. It is not easy to bend or be damaged during the piercing process. The inner wall of the perforated seed metering tube 405 is smooth to facilitate the falling of grass seeds.

[0037] Working principle: First, the combined machine is connected and fixed to the tractor through the traction interface of the frame 101. The tractor is started, and the combined machine is pulled smoothly along the preset sand barrier laying route. During the forward movement of the equipment, the lifting motor 202 of the feeding system 2 is started, and the lifting motor 202 drives the auger elevator 207 to rotate. The sand collecting shovel 201, pulled by the tractor, cuts into the surface sand. The depth limiting roller 206 rolls in close contact with the ground, strictly limiting the penetration depth of the sand collecting shovel 201 to avoid disturbing the deep soil and protect the soil ecological environment. The arc-shaped structure on the inner side of the sand collecting shovel 201 guides the sand to converge towards the auger elevator 207. The rotating auger blades lift the collected sand upwards. The sand is transported along the inside of the outer shell of the auger elevator 207 to avoid scattering and waste, and finally falls into the sand box 305 of the sand filling system 3 for storage.

[0038] Then, the sand-filling motor 304 and friction roller motor 308 of the sand-filling system 3 are started. The sand-filling motor 304 drives the auger sand-filler 301 to rotate through the coupling 303. The sand in the sand box 305 enters the auger through the opening at one end of the auger sand-filler 301. The rotating auger blades push the sand forward evenly, filling the PLA sand barrier fitted at the outlet end of the auger sand-filler 301. At the same time, the friction roller motor 308 drives two friction rollers 309 to rotate synchronously through the chain. The friction rollers 309 use friction to drive the PLA sand barrier. The PLA sand barrier roll is continuously conveyed backward, allowing the auger to release the PLA sand barrier at a uniform speed. It moves synchronously with the sand propelled by the auger, ensuring that the inside of the PLA sand barrier is fully and compacted with sand, forming a uniform sandbag. As the equipment continues to move forward, the PLA sand barrier filled with sand naturally falls off from the outlet end of the auger sand filling device 301 and is evenly laid on the ground, forming a strip-shaped sand barrier. The laying width of the sand barrier can be flexibly controlled by adjusting the forward direction of the equipment and the position of the auger sand filling device 301, ensuring that the sand barrier is laid evenly and continuously without breaks or voids.

[0039] While sand barriers are being laid, the perforated seeding system 4 operates simultaneously. The perforating motor 407 is activated, rotating and its eccentric shaft drives the connecting rod 406 in a reciprocating motion. The connecting rod 406 drives the perforated seeding tube 405 to slide up and down along one side of the seed metering device 404. The bottom of the perforated seeding tube 405 is sharply conical; as it slides downwards, it precisely pierces the newly laid PLA sand barrier and the sand inside, creating uniform seed holes. The piercing depth is preset by the tilt angle of the frame 401 to ensure the seed hole depth is suitable for seed germination. The perforated seeding tube 405... During the reset, the seed metering device 404 delivers the grass seeds in the seed box 402 to the perforated seed metering pipe 405 through the seed guide channel according to the preset seed metering amount. The grass seeds fall along the inner wall of the perforated seed metering pipe 405 and fall precisely into the pre-punched seed holes through the seed metering port at the bottom. The grass seeds in the seed holes are naturally covered by the sand scattered inside the sand barrier, without the need for additional soil covering process, ensuring close contact between the grass seeds and the sand, and improving the survival rate of the grass seeds. The rotation speed of the punching motor 407 is precisely matched with the forward speed of the equipment to ensure uniform spacing between seed holes. The seed metering device 404's seed metering amount is precise and controllable, avoiding grass seed waste.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention. The scope of protection claimed by the appended claims and their equivalents is defined.

Claims

1. A PLA sand barrier automated grass laying and planting combined machine, comprising a chassis system (1), characterized in that: The chassis system (1) is provided with a feeding system (2) on one side for collecting and transporting sand from the ground. The top of the feeding system (2) is provided with a sand-filling system (3) for filling the PLA sand barrier with sand and laying it on the ground. The chassis system (1) is provided with a perforating seeding system (4) on the other side for piercing the sand barrier and completing the seeding.

2. The PLA sand barrier automated laying and planting machine according to claim 1, characterized in that: The chassis system (1) includes a frame (101) connected to a tractor for traction. A distribution box (102) for distributing electrical energy is fixedly installed on the frame (101). A generator (103) for providing electrical energy is provided on one side of the distribution box (102). The generator (103) is fixedly connected to the frame (101).

3. The PLA sand barrier automated laying and planting machine according to claim 2, characterized in that: The frame (101) is fixedly connected to a guardrail (104) for protecting equipment and personnel. The bottom side of the frame (101) is fixedly connected to an axle (105). Both ends of the axle (105) are rotatably connected to wheels (106).

4. The PLA sand barrier automated laying and planting machine according to claim 3, characterized in that: The feeding system (2) is a sand-collecting shovel (201) used to collect sand from the ground. The sand-collecting shovel (201) has two slider mechanisms arranged symmetrically on one side. The slider mechanism includes a sliding frame (203). A guide seat (204) is slidably fitted on the sliding frame (203). The sliding frame (203) is fixedly connected to the sand-collecting shovel (201) by bolts. The guide seat (204) is fixedly connected to the frame (101) by bolts. A lifting cylinder (205) for controlling the height of the feeding system (2) off the ground is rotatably connected to one side of the sand-collecting shovel (201). The other end of the lifting cylinder (205) is rotatably connected to the frame (101).

5. The PLA sand barrier automated laying and planting machine according to claim 4, characterized in that: The inner side of the sand collecting shovel (201) is fixedly connected to a depth limiting roller (206) for limiting the depth of the sand collecting shovel (201) into the soil. One end of the inner side of the sand collecting shovel (201) is welded and fixedly installed with an auger lifter (207). The top of the auger lifter (207) is fixedly installed with a lifting motor (202) that provides power to the auger lifter (207).

6. The PLA sand barrier automated laying and planting machine according to claim 3, characterized in that: The sand filling system (3) includes a screw conveyor (301) for pushing sand into the PLA sand barrier. One end of the screw conveyor (301) is fixedly connected to a bearing seat (302) by bolts. A bearing is installed inside the bearing seat (302). A coupling (303) is installed inside the bearing seat (302). One end of the coupling (303) is connected to the screw conveyor (301). The other end of the coupling (303) is fixedly connected to a sand filling motor (304) for driving the screw conveyor (301). The sand filling motor (304) is fixedly connected to the frame (101).

7. The PLA sand barrier automated laying and planting machine according to claim 6, characterized in that: A sand box (305) is welded and fixedly connected to one end of the auger sand filling device (301) near the sand filling motor (304). The sand box (305) is fixedly connected to the frame (101). An opening is opened at one end of the auger sand filling device (301) inside the sand box (305). Two lead screw motors (306) are fixedly connected to one side of the sand box (305) in a symmetrical structure. A lead screw (307) is fixedly connected to the output end of the lead screw motor (306). A movable frame is threaded between the two lead screws (307). A friction roller motor (308) is installed on the movable frame. Friction rollers (309) for rolling PLA sand barriers into the outer wall of the auger sand filling device (301) by friction are rotatably connected to both sides of the bottom end of the movable frame. The friction rollers (309) and the friction roller motors (308) are connected by chain drive.

8. The PLA sand barrier automated laying and planting machine according to claim 3, characterized in that: The perforated seeding system (4) includes a frame (401), which is rotatably connected to the frame (101). A seed box (402) for holding grass seeds is fixedly connected to the frame (401), and tires (403) for walking are rotatably connected to both sides of the bottom end of the frame (401).

9. The PLA sand barrier automated laying and planting machine according to claim 8, characterized in that: The bottom of the seed box (402) is fixedly connected to a seed metering device (404) for quantitative seeding. A perforated seed metering tube (405) for perforating sand barriers is slidably fitted on one side of the seed metering device (404). A seeding port is opened on one side of the bottom of the perforated seed metering tube (405) so that grass seeds can be sown into the sand barrier bag. A connecting rod (406) is rotatably connected to one end of the perforated seed metering tube (405). A perforating motor (407) is fixedly connected to one side of the bottom of the frame (401). The shaft end of the perforating motor (407) is eccentrically connected to the other end of the connecting rod (406).

Images