CN220087921U - Multifunctional salix psammophila planting device - Google Patents

Abstract

The utility model discloses a multifunctional salix psammophila planting device which comprises a punching mechanism, a soil covering mechanism, a crawler chassis, a camera and a control module which are arranged on the crawler chassis, a seedling screening mechanism, a seedling throwing mechanism and a watering mechanism, wherein the punching mechanism is arranged on the crawler chassis; the watering mechanism consists of a water tank, a water pump positioned in the water tank and a water pipe connected with the bottom of the water tank. The salix psammophila planting integrated and automatic device has the advantages that salix psammophila planting integrated and automatic device is realized, the manpower resource expense is reduced, the operation dangerous coefficient is also reduced, the fragile position is protected during design, a convenient dismounting structure is formed, and when a machine fails, only the failed part is required to be dismounted and then brought to the corresponding position for maintenance, and the whole machine is not required to be towed away.

Description

Multifunctional salix psammophila planting device

Technical Field

The utility model relates to the technical field of salix psammophila full-automatic planting, in particular to a multifunctional salix psammophila planting device.

Background

At present, desert control in China is mainly realized through means of physical control, chemical control, vegetation planting and the like, and the vegetation planting needs to rely on a large amount of manpower, material resources and financial resources, so that the cost is high, the mode is complicated, and the efficiency is low. In the aspect of planting salix psammophila, manual operation is taken as the main principle, a hole punching machine used in the planting process is heavy, and vegetation irrigation needs to rely on manpower, so that the problems of low planting efficiency, large manpower consumption, high cost, discontinuous planting process, sha Liuyi damage and the like exist.

The defects of the prior art are high cost, low efficiency, long time consumption and the like, most substitutes can only solve part of the problems, and the problems of salix psammophila planting efficiency, cost and the like are not fundamentally solved: 1) In the punching link of salix psammophila planting, the used drilling machine is heavy, consumes large manpower, and is easy to break down due to overheating in a high-temperature desert environment. 2) In the watering link of salix psammophila planting, a great amount of water sources can be transported by utilizing a water truck, but water pipes are needed to be used for watering manually, the water resource utilization efficiency is low, and the waste is serious. If the planting land is on a higher sand beam, the waterwheel cannot reach, water is still transported by manually utilizing the water bucket, the efficiency is low, and the labor consumption is high. 3) In the soil covering link of salix psammophila planting, manual soil filling and compaction are needed, and the efficiency is low.

In addition, most substitutes in the market only solve the problem of partial planting steps, but do not fundamentally solve the problems of high planting efficiency, high cost and the like of salix psammophila, so that an integrated, fully-automatic, high-safety, high-stability and high-economical salix psammophila planter is developed to repair sandy land, and the need is raised.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides the multifunctional salix psammophila planting device, which focuses on exerting the advantage of the electromechanical integration function, and is used for realizing the purpose of replacing manual planting by electric driving planting, so that the working efficiency is greatly improved on the premise of realizing the function, the work has great practicability and popularization, and the problems in the background art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a multifunctional salix psammophila planting device comprises a punching mechanism, a soil covering mechanism, a crawler chassis, a camera and a control module which are arranged on the crawler chassis, a seedling screening mechanism, a seedling throwing mechanism and a watering mechanism; the watering mechanism consists of a water tank, a water pump positioned in the water tank and a water pipe connected with the bottom of the water tank.

Further, the punching mechanism comprises a power part, a transmission part and a drill bit part, wherein the power part comprises a first stepping motor and a second stepping motor; the transmission part comprises a first sliding block, a second sliding block, a first guide rail, a second guide rail, a first lead screw and a second lead screw; the drill bit part comprises a drill bit and a drill bit motor for driving the drill bit to rotate.

Further, the first stepping motor and the second stepping motor convert the rotary motion of the first lead screw and the second lead screw into the linear reciprocating motion of the first sliding block and the second sliding block.

Further, when the punching mechanism works, the first stepping motor rotates to drive the first sliding block on the first lead screw to move in the horizontal direction; in the vertical direction, the second stepping motor rotates to drive the second sliding block on the second lead screw to move, and the drill motor rotates to drive the drill to rotate to start punching.

Further, the seedling screening mechanism consists of a seedling screening outer cylinder, a seedling guiding track, a storage Miao Cang, a screen Miao Natong, a transmission gear and a stepping motor; the seedling screening outer cylinder and the seedling screening inner cylinder are nested, the upper part of the seedling screening outer cylinder is connected with Chu Miaocang, and the lower part of the seedling screening outer cylinder is connected with a seedling guiding track; the Chu Miaocang is of an inverted trapezoid structure, the bottom of the Chu Miaocang is inserted into the seedling screening outer cylinder and is in butt joint with the seedling screening inner cylinder and the seedling conveying cabin, namely, the seedling conveying cabin in the seedling screening inner cylinder is aligned, and two seedling conveying cabins are symmetrically arranged on the side face of the screen Miao Natong; the stepping motor rotates to drive the transmission gear to drive the seedling screening inner cylinder to screen seedlings in a rotating mode, and the seedlings are guided to the seedling throwing mechanism through the seedling guiding track.

Further, the seedling throwing mechanism comprises a lifting part and a seedling conveying part; the seedling conveying component consists of a seedling guide pipe;

the lifting channel is a semi-open thin-wall cylinder, and a reciprocating piston is arranged below the lifting channel and driven by an air pump.

Further, the power part of the earthing mechanism consists of an earthing stepping motor, and the transmission part consists of a screw nut, an earthing screw, a bucket and a pinch roller;

the screw nut is connected with the bucket through the connecting rod, and the pinch roller is arranged at the rear of the earthing mechanism and plays a role of an earthing and stabilizing device.

Further, when the earthing mechanism works, the earthing stepping motor drives the earthing screw rod to rotate through the gear and drives the screw rod nut to move, so that the bucket is driven to work.

Further, the control module is used for controlling the movement of each motor, and the camera is used for observing the planting area.

The application method of the multifunctional salix psammophila planting device comprises the following steps:

step one, reaching a planting designated position:

the crawler driving motor is controlled to work through the control module, and the planting area is observed through the camera to move the salix psammophila planting device to a designated position;

step two, punching:

the punching mechanism works in the vertical direction, the second stepping motor starts to rotate, the second sliding block on the second lead screw is driven to move downwards, the drill bit is further driven to move downwards, the drill bit motor rotates to drive the drill bit to rotate, and punching is started; when the hole depth reaches 20cm, the drill motor stops rotating, the second stepping motor starts to rotate reversely, and the drill rises to restore to the initial position.

Then the punching mechanism starts to work along the horizontal direction, the first stepping motor rotates to drive the first sliding block on the first lead screw to move, and when the left limit is reached, the movement is stopped;

step three, sieving:

after the punching mechanism reaches the limit of the left pole, a stepping motor of the seedling screening mechanism starts to drive a transmission gear to rotate, the seedling screening inner cylinder rotates at a constant speed, salix mongolica seedlings in Chu Miaocang enter a seedling feeding cabin of the seedling screening inner cylinder in sequence under the action of gravity, enter a seedling outlet right below after rotating 180 degrees, and enter a seedling throwing mechanism through a seedling guiding track;

step four, seedling feeding:

two salix psammophila seedlings screened by the seedling screening mechanism enter a lifting channel, an air pump in a seedling throwing mechanism is started to enable a reciprocating piston to start moving, the lifting channel is lifted to 90 degrees from 30 degrees, the salix psammophila seedlings in the lifting channel enter a seedling guiding pipe along the channel, and the seedling guiding pipe can be aligned to a sand hole through the control of a first stepping motor, so that Sha Liumiao falls into the sand hole obtained in the step;

step five, watering:

starting a water pump in the watering mechanism, pumping a certain amount of water in the water tank, and watering to a designated position through a water pipe;

step six, earthing:

and starting a soil covering stepping motor in the soil covering mechanism, driving a gear to rotate by the motor, further driving a soil covering screw rod to rotate, enabling a screw rod nut to linearly move, connecting the screw rod nut with a bucket through a connecting rod, driving the bucket to cover soil, and pressing soil through a pressing wheel arranged at the rear of the soil covering mechanism to finish planting.

The beneficial effects of the utility model are as follows:

1) The device can realize the aim of 'integral seedling', integrates the functions of punching, sieving seedlings, delivering seedlings, watering and earthing, realizes integrated program control by utilizing a control module control board, reduces the consumption of manpower, material resources and financial resources, and improves the planting efficiency;

2) The seedling screening cylinder of the device utilizes the inner slotted cylinder (the outer cylinder inner cylinder) to quantitatively screen two willow seedlings from the feed box, so that the device is more accurate in seedling screening; the cylinder is designed to be nested inside and outside, so that the daily disassembly and maintenance are convenient, the rotation friction is reduced, and the output efficiency of the motor is improved;

3) The utility model can count Liu Miao by utilizing the phototransistor, so that a control personnel can know the running condition of the planter in real time, and the density of subsequent seedling hole sites can be reasonably arranged according to the number of seedlings;

4) Because the unique planting mode of salix psammophila seedlings can influence the growth state of salix psammophila seedlings, and the growth density is too high to cause insufficient nutrition and moisture, the integrated salix psammophila planter utilizes a plurality of stepping motors to control, thereby realizing the accurate control of hole depth and hole position, on one hand, liu Miaojing is accurate to fall into holes, on the other hand, the hole depth is proper, sha Liumiao is ensured to be at the optimum planting depth, and Sha Liumiao can absorb the moisture and fertilizer sprayed by the planter to the greatest extent;

5) The utility model imitates the design concept of the army tracked vehicle, adopts the design mode of the multi-wheel tracked vehicle, can realize obstacle surmounting of multiple terrains, particularly satisfies the severe geographic environment of the desert area, and ensures the planting efficiency.

Drawings

FIG. 1 is a schematic diagram of a salix psammophila planting device;

FIG. 2 is a schematic structural view of a punching mechanism of the salix psammophila planting device;

FIG. 3 is a schematic diagram of a seedling screening mechanism of the salix psammophila planting device;

FIG. 4 is a split schematic diagram of a seedling screening mechanism of the salix psammophila planting device;

FIG. 5 is a schematic diagram of a seedling throwing mechanism of the salix psammophila planting device;

FIG. 6 is a schematic view of the soil covering mechanism of the salix psammophila planting device;

FIG. 7 is a schematic structural view of a watering mechanism of the salix psammophila planting device;

FIG. 8 is a schematic view of the crawler chassis of the present utility model;

in the figure, a 1-punching mechanism; 2-a control module; 3-a crawler chassis; 4-a seedling screening mechanism; 5-a seedling throwing mechanism; 6-a watering mechanism; 7-a soil covering mechanism; 8-seedling guiding tube; 9-screen Miao Waitong; 10-seedling guiding tracks; 11-Chu Miaocang; 12-screen Miao Natong; 13-a transmission gear; 14-a stepper motor; 15-a first stepper motor; 16-a second slider; 17-a second stepper motor; 18-a drill motor; 19-a first slider; 20-a first guide rail; 21-a first lead screw; 22-a second rail; 23-a second lead screw; 24-drill bit; 25-an air pump; 26-a reciprocating piston; 27-lifting the channel; 28-a water pump; 29-a water tank; 30-water pipes; 31-a track drive motor; 32-a camera; 33-earthing stepping motor; 34-a lead screw nut; 35-bucket; 36-pressing wheel; 37-seedling feeding cabin; 38-earthing screw rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-8, the present utility model provides a technical solution: a multifunctional salix psammophila planting device is shown in fig. 1, and comprises a punching mechanism 1, a soil covering mechanism 7, a crawler chassis 3, a camera 32 and a control module 2 which are arranged on the crawler chassis, a seedling screening mechanism 4, a seedling throwing mechanism 5 and a watering mechanism 6.

As shown in fig. 2, the punching mechanism 1 includes a power portion, a transmission portion, and a drill bit portion, and performs vertical and horizontal transmission by a screw nut mechanism.

The power part comprises a first stepping motor 15 and a second stepping motor 17;

the transmission part comprises a first slide block 19, a second slide block 16, a first guide rail 20, a second guide rail 22, a first lead screw 21 and a second lead screw 23;

the drill part comprises a drill 24 and a drill motor 18 for driving the drill in rotation.

The first and second stepping motors 15 and 17 convert the rotational movement of the first and second lead screws 21 and 23 into linear reciprocating movements of the first and second sliders 19 and 16.

When the punching mechanism 1 works, the first slider 19 on the first lead screw 21 is driven to move left and right by controlling the first stepping motor 15 to rotate forwards and backwards in the horizontal direction, so that the drill bit 24 is driven to move horizontally;

in the vertical direction, the second slider 16 on the second lead screw 23 is controlled to move by controlling the second stepping motor 17 to rotate forwards and backwards, so that the drill bit 24 is driven to move up and down. The drill motor 18 rotates to rotate the drill bit 24 to begin drilling. The control of the first stepping motor and the second stepping motor can play a role in accurately positioning the hole position in the horizontal direction and the hole depth in the vertical direction.

The perforating/boring function is to accomplish the motion and force transfer through the slider. The guide device is used for limiting the rotation of the sliding block, and the rotation motion of the guide screw is converted into the linear motion of the sliding block, so that the guide screw is driven to realize the reciprocating motion of the sliding block. The drilling mechanism is divided into an up-down drilling mechanism and a left-right translation mechanism: the upper and lower punching mechanism drives the sliding block to reciprocate up and down by driving the screw rod, and a motor which can be independently controlled is fixed on the vertical sliding block, so that the drill bit is driven to rotate, and the punching effect is realized; the left-right translation mechanism can horizontally translate the punching mechanism by 2cm, so that the seedling conveying pipe is translated to the entrance of the seedling throwing mechanism. According to actual demand, the puncher can satisfy and throw out the planting hole that diameter is 4cm, degree of depth is 20cm on ground, and when punching mechanism moved to certain position, will stop automatically.

As shown in fig. 3, the seedling screening mechanism consists of a seedling screening outer cylinder 9, seedling guiding rails 10 and Chu Miaocang, a seedling screening inner cylinder 12, a transmission gear 13 and a stepping motor 14. Chu Miaocang 11 is of inverted trapezoid structure, and the bottom is inserted into the inner part of the seedling screening outer cylinder 9 and aligned with the seedling feeding cabin 37 in the seedling screening inner cylinder 12. As shown in fig. 4, the seedling screening outer cylinder 9 and the seedling screening inner cylinder 12 are arranged in a nested mode, the diameter of the seedling screening inner cylinder 12 is 2mm different from the diameter of the outer wall of the seedling screening outer cylinder 9, the upper part of the seedling screening outer cylinder 9 is connected with Chu Miaocang 11, and the lower part of the seedling screening outer cylinder is connected with a seedling guiding track 10; two seedling feeding cabins 37 are arranged at 180 DEG symmetrical positions of the side surface of the seedling screening inner cylinder 12, and salix psammophila seedlings are transported to the lower seedling throwing mechanism 5 from the upper part Chu Miaocang in the process of rotating the cylinder; through the dimension design of the seedling feeding cabin 37 in the depth direction, two salix psammophila seedlings are fed into the lower seedling feeding mechanism each time.

The power device of the seedling screening mechanism 4 is a stepping motor 14. Punching the middle part of the seedling screening inner cylinder 12, passing a driving shaft through the seedling screening inner cylinder 12, fixedly connecting the driving shaft with the seedling screening inner cylinder 12, and assembling a transmission gear 13 with the driving shaft. The stepping motor 14 rotates to drive the transmission gear 13, so as to drive the seedling screening inner cylinder 12 to screen seedlings in a rotating way.

The seedling screening mechanism utilizes a roller type seedling screening device to screen the fixed number of salix psammophila seedlings with a certain length, so that the seedling screening function is realized. And the seedling screening mechanism can also count the number of seedlings entering the seedling throwing mechanism through the infrared sensing device. After the seedling throwing mechanism receives the drilling completion signal, sha Liumiao is automatically screened out from the feed box and is fed into the seedling throwing mechanism.

As shown in fig. 5, the seedling throwing mechanism 5 mainly comprises a lifting part and a seedling conveying part, wherein the lifting part mainly comprises an air pump 25, a reciprocating piston 26 and a lifting channel 27. The lifting channel is designed as a semi-open thin-wall cylinder with the length of 12cm and the diameter of 1.5cm, the periphery of the lifting channel is connected by groove-shaped plates to form a baffle, and a reciprocating piston 26 is arranged below the lifting channel and driven by an air pump 25.

The seedling conveying part consists of a seedling guiding pipe 8 which is arranged on the side surface of the perforating drill bit and is made of plastic hoses with the length of 11 cm.

The seedling throwing mechanism is based on a connecting rod mechanism and consists of a lifting part and a seedling conveying part, and is driven by an air pump to convey seedlings into a seedling guide pipe of the punching mechanism, so that the seedlings accurately fall into the punched sand holes. After the air pump is electrified, gas is generated and enters the cavity of the piston pump, so that the piston moves leftwards, the piston rod stretches, the lifting channel is pushed by the piston rod to spring, the lifting channel is lifted to 90 degrees from 30 degrees by tilting, and salix psammophila seedlings in the channel enter the seedling guiding pipe.

As shown in fig. 6, the frame part of the earth covering mechanism 7 is provided with a power part and a transmission part, wherein the power part of the earth covering mechanism mainly consists of an earth covering stepping motor 33, and the transmission part consists of a screw nut 34, an earth covering screw 38, a bucket 35 and a pinch roller 36.

The soil covering stepping motor 33 drives the soil covering screw rod 38 to rotate through a gear, drives the screw rod nut 34 to move, and connects the screw rod nut 34 with a connecting rod, so that the shovel 35 is driven to put down and cover soil, and when the soil covering is completed, the shovel 35 can be retracted to the bottom of the vehicle. The pinch roller is installed at the rear of the earthing mechanism, so that the earthing mechanism has the function of earth compaction on one hand and the locomotive stabilization on the other hand.

As shown in fig. 7, the watering mechanism 6 is composed of a water tank 29, a water pump 28 positioned in the water tank, and a water pipe 30 connected with the bottom of the water tank, and the watering mechanism is integrally formed. The watering mechanism receives signals from the seedling throwing mechanism, so that the water pump is driven to release specific water.

The application method of the multifunctional salix psammophila planting device comprises the following steps:

step 1, reaching a planting designated position

As shown in fig. 8, the control module 2 controls the crawler driving motor 31 to start working, and the camera 32 is used for observing the planting area to move the salix psammophila planting device to a designated position;

step 2, punching

The punching mechanism 1 works in the vertical direction: the second stepping motor 17 starts to rotate and drives the second sliding block 16 on the second lead screw to move downwards, so that a drill bit fixedly connected to the second sliding block is driven to move downwards; simultaneously, the drill motor 18 connected with the drill rotates to drive the drill 24 to rotate, and perforation is started. When the hole depth reaches 20cm, the drill motor stops rotating, the stepping motor 17 reversely rotates to drive the sliding block 16 to ascend, and the drill ascends and returns to the initial position. Then the punching mechanism starts to work along the horizontal direction, the first stepping motor 15 rotates to drive the first sliding block 19 to move leftwards, so that the punching device on the first sliding block 19 is pushed to move leftwards, and when the left limit is reached, the movement is stopped.

Step 3, screening seedlings

When the punching mechanism 1 reaches the left limit, the stepping motor 14 of the seedling screening mechanism 4 starts to drive the driving gear 13 to rotate, so that the seedling screening inner cylinder 12 is guaranteed to rotate at a constant speed, salix mongolica seedlings in the Chu Miaocang inner cylinder 12 sequentially enter the seedling feeding cabin 37 of the seedling screening inner cylinder 12 under the action of gravity, enter a seedling outlet right below the rotation of 180 degrees, enter the seedling throwing mechanism 5 through the seedling guiding rail 10, and control two seedlings screened out from Chu Miaocang each time to be fed into the lifting mechanism through the size design of the depth direction of the seedling feeding cabin 37.

Step 4, seedling feeding

After the above work is completed, two salix psammophila seedlings screened by the seedling screening mechanism 4 enter the lifting channel 20, at the moment, the air pump 25 is started to suck air and enter the chamber of the reciprocating piston 19, so that the piston moves leftwards, the piston rod stretches, the lifting channel is pushed by the piston rod to bounce, the lifting channel is lifted to 90 degrees from 30 degrees by tilting, and the salix psammophila seedlings in the channel enter the final seedling guiding pipe 8 along the channel. Sha Liumiao enters the seedling guiding pipe, then enters the drilled sand hole along the seedling guiding pipe, and because the seedling guiding pipe is positioned at the left side of the drill bit, sha Liumiao can smoothly enter the drilled sand hole along the pipeline after the drill bit is translated, and in order to ensure that Sha Liumiao can accurately enter the pipeline after the seedling throwing mechanism 5 is lifted, one end of the Sha Liumiao can prop against the inner wall of the seedling guiding pipe when in a lifting channel, and once the channel is lifted, seedlings are vertically sent into the seedling guiding pipe.

Step 5, watering

After the operation is finished, the water pump 28 is started to pump a certain amount of water, and the water is conveyed to a designated position through the water pipe 30 after a time delay of 1 s.

Step 6, earthing

The earthing mechanism 7 is based on a link mechanism, and performs movement and force transmission through a screw nut mechanism. After receiving the signal, the soil covering stepper motor 33 drives the soil covering screw rod 38 to rotate through a gear and drives the screw rod nut 34 to move, the rotary motion of the screw rod is converted into the linear motion of the nut, the screw rod nut 34 is connected with the bucket 35 through a connecting rod, the bucket 35 is driven to put down and cover soil, and when the machine drives the shovel to drive to the next planting point to stop, the shovel is retracted to the bottom of the vehicle. The pressing wheel 36 is arranged behind the earthing mechanism 7, so that the earthing mechanism has the function of earth pressing on one hand and the function of stabilizing a locomotive on the other hand.

The salix psammophila planting integrated and automatic device realizes salix psammophila planting integration and automation, reduces manpower resource expenditure, reduces the dangerous coefficient of operation, protects the fragile position during design, and is made into a convenient disassembly mode, and when a machine fails, only the failed part is required to be disassembled and then brought to the corresponding position for maintenance, and the whole machine is not required to be towed away. The mechanism is formed by modularization, and other mechanisms such as a solar panel, a sand quality detector, a GPS remote positioning system and the like can be added according to the requirement.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The multifunctional salix psammophila planting device is characterized by comprising a punching mechanism (1), a soil covering mechanism (7), a crawler chassis (3), a camera (32) and a control module (2) which are arranged on the crawler chassis, a seedling screening mechanism (4), a seedling throwing mechanism (5) and a watering mechanism (6); the watering mechanism (6) consists of a water tank (29), a water pump (28) positioned in the water tank and a water pipe (30) connected with the bottom of the water tank.

2. The multifunctional salix psammophila planting device of claim 1, wherein: the punching mechanism (1) comprises a power part, a transmission part and a drill bit part, wherein the power part comprises a first stepping motor (15) and a second stepping motor (17); the transmission part comprises a first sliding block (19), a second sliding block (16), a first guide rail (20), a second guide rail (22), a first lead screw (21) and a second lead screw (23); the drill bit section includes a drill bit (24) and a drill bit motor (18) for driving the drill bit (24) in rotation.

3. The multifunctional salix psammophila planting device of claim 1, wherein: the seedling screening mechanism (4) consists of a screen Miao Waitong (9), a seedling guiding rail (10), chu Miaocang (11), a screen Miao Natong (12), a transmission gear (13) and a stepping motor (14); the sieve Miao Waitong (9) and the seedling screening inner cylinder (12) are nested, the upper part of the sieve Miao Waitong (9) is connected with the Chu Miaocang (11), and the lower part is connected with the seedling guiding track (10); the Chu Miaocang (11) is of an inverted trapezoid structure, and the bottom of the Chu Miaocang is inserted into the sieve Miao Waitong (9) and is in butt joint with the inner sieve barrel (12) and the seedling feeding cabin (37); two seedling sending cabins (37) are symmetrically arranged on the side face of the sieve Miao Natong (12); the stepping motor (14) rotates to drive the transmission gear (13) to drive the sieve Miao Natong (12) to sieve seedlings in a rotating way, and the seedlings are guided to the seedling throwing mechanism (5) through the seedling guiding track (10).

4. The multifunctional salix psammophila planting device of claim 1, wherein: the seedling throwing mechanism (5) comprises a lifting part and a seedling conveying part; the lifting part mainly comprises an air pump (25), a reciprocating piston (26) and a lifting channel (27), and the seedling conveying part consists of a seedling guide pipe (8);

the lifting channel (27) is a semi-open thin-wall cylinder, and a reciprocating piston (26) is arranged below the lifting channel and driven by the air pump (25).

5. The multifunctional salix psammophila planting device of claim 1, wherein: the power part of the earthing mechanism (7) consists of an earthing stepping motor (33), and the transmission part consists of a screw nut (34), an earthing screw (38), a bucket (35) and a pinch roller (36);

the screw nut (34) is connected with the bucket (35) through a connecting rod, and the pinch roller (36) is arranged at the rear of the earthing mechanism.