CN113615532A

CN113615532A - Seedling planting device for planting saplings and using method thereof

Info

Publication number: CN113615532A
Application number: CN202111087904.9A
Authority: CN
Inventors: 戚甫山
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2021-11-09

Abstract

The invention discloses a seedling planting device for planting saplings and a use method thereof, wherein the seedling planting device comprises a vehicle body, a transmission mechanism is connected in the vehicle body and used for transmitting saplings, the vehicle body is rotatably connected with pit digging wheels through a rotating shaft, and the rotating shaft is connected with a rotating motor; a cavity is formed in the digging wheel, a plurality of soil outlets are formed in the digging wheel and communicated with the cavity, and a plurality of soil outlets are formed in one side of the digging wheel and arranged on one side of the soil outlets; the vehicle body is also connected with a conveying groove which is arranged in an inclined mode, the conveying groove is arranged on one side of the digging wheel and is contacted with the lower end of the digging wheel, the conveying groove is communicated with a soil covering groove, and the soil covering groove is connected with the vehicle body and is arranged on the left side of the digging wheel; the vehicle body is also connected with an electric push rod, the electric push rod is connected with an electric clamping hand, and the electric clamping hand is arranged between the digging wheel and the soil covering groove. The invention can realize the equidistant seedling planting work, and realize the integrated operation of digging, planting and covering soil, thereby effectively improving the efficiency and quality of planting the seedlings without repeated labor.

Description

Seedling planting device for planting saplings and using method thereof

Technical Field

The invention relates to the technical field of sapling planting, in particular to a sapling planting device and a using method thereof.

Background

The seedlings are called seedlings for short and are also general names of various fruit seedlings, arbor seedlings and shrub seedlings, the seedlings have root systems and trunk seedlings, the seedlings cultivated in a nursery are called seedlings before the seedlings are out of the nursery regardless of the age, and the seedlings are generally planted in other soil after the seedlings are out of the nursery.

The sweet potatoes in the seedlings are important economic crops, feed crops and energy crops, and the roots, the stems and the leaves of the sweet potatoes are rich and comprehensive in nutrition and are advocated as the best health-care crops at home and abroad. The sweet potato has the advantages of high and stable yield, strong stress resistance, wide adaptability, less investment, more output and low risk. With the development of economy and the improvement of the living standard of people, the nutrition and health care functions of the sweet potatoes are gradually recognized by people, the sales volume of the fresh sweet potatoes is increased year by year, and the enthusiasm of farmers for planting the sweet potatoes is further improved.

Most of the existing nursery stocks and sweet potato seedlings are planted by manually digging pits, and some planting devices for clamping the sweet potato seedlings or directly inserting the roots of the seedlings into soil are also arranged, so that the seedlings are easily damaged. And the manual sapling of planting of workman need consume great strength, and the process that the workman changed the sapling manually is more numerous simultaneously, and the manual process that moves the sapling to other positions of workman is more numerous moreover.

Disclosure of Invention

In order to solve the problems in the prior art, a seedling planting device for planting saplings and a using method thereof are provided.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the invention provides a seedling planting device for planting saplings, which comprises a vehicle body, wherein a conveying mechanism is connected in the vehicle body and used for conveying saplings, the vehicle body is rotatably connected with pit digging wheels through a rotating shaft, and the rotating shaft is connected with a rotating motor; a cavity is formed in the digging wheel, a plurality of soil outlets are formed in the digging wheel and communicated with the cavity, and a plurality of soil outlets are formed in one side of the digging wheel and arranged on one side of the soil outlets; the vehicle body is also connected with a conveying groove which is arranged in an inclined mode, the conveying groove is arranged on one side of the digging wheel and is in contact with the lower end of the digging wheel, the conveying groove is communicated with a soil covering groove, and the soil covering groove is connected with the vehicle body and is arranged on the left side of the digging wheel; the vehicle body is also connected with an electric push rod, the electric push rod is connected with an electric clamping hand, and the electric clamping hand is arranged between the digging wheel and the soil covering groove; the transmission mechanism, the rotating motor, the electric clamping hand and the electric push rod are connected with a controller.

Preferably, the vehicle body is rotatably connected with a walking wheel, a walking motor is arranged in the walking wheel, the vehicle body is further rotatably connected with an auxiliary wheel, and the walking motor is connected with the controller.

Preferably, the right end of the electric push rod is connected with the vehicle body, and the traveling speed of the traveling wheel is the same as the extending speed of the electric push rod.

Preferably, the excavation port is provided with two altogether, and two excavation port centrosymmetric, the unearthing mouth is provided with two altogether, and two unearthing mouth symmetry sets up the pivot both sides.

Preferably, the conveying trough is arranged below the soil outlet, a small conveying belt for conveying soil is arranged in the conveying trough, the vehicle body is further connected with a transfer trough arranged in the inclined direction, the transfer trough is communicated with the conveying trough, the other end of the transfer trough is communicated with the soil covering trough, and the small conveying belt is connected with the controller.

Preferably, transport mechanism includes the rotatable conveyer belt of two symmetries settings, the automobile body with the conveyer belt rotates to be connected, the conveyer belt is connected with the conveying sponge that the symmetry set up, the conveying sponge is used for the centre gripping the sapling, the income hopper has been seted up to the automobile body top, it is in to go into the hopper setting directly over the conveying sponge, the conveyer belt with the controller links to each other.

Preferably, the conveying sponge is arranged on the upper side of the soil covering groove, and the saplings are arranged between the soil covering groove and the electric clamping hands.

The invention also provides a use method of the seedling planting device for planting the saplings, and the seedling planting device for planting the saplings comprises the following steps:

s1, the controller rotates through the traveling motor to drive the traveling wheels to rotate so as to realize the traveling action of the vehicle body, and then the controller controls the digging wheel to rotate through the rotating motor;

s2: the digging wheel rotates, soil is dug into the cavity of the digging wheel under the action of the digging opening, so that the cavity is filled with the soil, the digging action is completed and the soil is dug into the cavity of the digging wheel under the action of the other digging opening along with the continuous rotation of the digging wheel, so that the original soil in the cavity falls onto the conveying groove through the digging opening, and the controller controls the conveying mechanism to convey the saplings downwards;

s3: the conveying mechanism conveys the root of the sapling to a pit dug by another digging opening, in the process, the controller controls the electric clamp to clamp the branch part of the sapling, and simultaneously the controller controls the electric clamp to extend out in the direction opposite to the moving direction of the vehicle body through the electric push rod, and then the root of the sapling falls into the dug pit;

s4: at the moment, soil falls on the root of the sapling through the soil covering groove, soil covering work of the root of the sapling is completed, meanwhile, the controller controls the electric clamp to loosen, the electric push rod resets, and soil covering and seedling planting work of the sapling is completed.

Preferably, the speed of conveying the saplings by the conveying mechanism is the same as the speed of digging the pits by the digging wheel, so that the saplings enter the dug pits by the digging wheel, and soil falls onto the roots of the saplings from the soil covering grooves after the roots of the saplings fall into the dug pits under the action of the small conveying belt.

Preferably, the method for conveying the saplings by the conveying mechanism comprises the steps that the saplings are placed into the feeding hopper at fixed intervals, the saplings fall between the conveying sponges symmetrically arranged, the conveying sponges clamp the roots of the saplings, then the controller controls the conveying belt to rotate, the conveying belt drives the conveying sponges to move downwards, and the conveying sponges loosen the roots of the saplings along with continuous movement of the conveying belt after the electric clamping hands complete clamping of the sapling branch parts, and the roots of the saplings fall into pits dug by the digging wheels.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the seedling planting machine, the digging wheels are arranged, under the action of the soil digging openings, the digging action of soil is achieved, the rotating speed of the digging wheels determines the distance between every two digging holes, meanwhile, the speed of conveying seedlings by the conveying mechanism is adjusted, the equal-distance digging and seedling planting action can be achieved, the distance between any two adjacent seedlings is convenient to adjust, manual assistance is not needed, the operation is convenient, the digging efficiency and quality are effectively improved, and the equal-distance seedling planting work is achieved.

2. According to the invention, the soil falls on the conveying trough from the soil outlet along with the rotation of the digging wheel after the cavity in the digging wheel is filled with soil, the electric clamping hand clamps the branch part of the sapling, and the electric push rod drives the electric clamping hand to move, so that the sapling is kept in a relatively static state with the soil all the time, then the sponge is conveyed to realize the loosening action on the root of the sapling, so that the root of the sapling falls into the pit dug by the digging wheel, and simultaneously, under the action of the small conveying belt, the soil is covered on the root of the sapling, thereby being more suitable for the artificial seedling planting mode, ensuring that the soil is covered on the root of the sapling, and the branch part is not buried in the soil, therefore, the seedling planting efficiency is better, the seedling quality is better, the pit-digging seedling planting integrated work is realized, the follow-up repeated labor is not needed, the structure is reasonable, the design is ingenious, and the damage to the sapling caused by the seedling planting mode is avoided, and the dug soil is completely recovered and used for covering the roots of the saplings without manual secondary earthing, so that time and labor are saved.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an overall front view of the present invention;

FIG. 2 is an overall side view of the present invention;

figure 3 is a schematic view of a portion of the wheel of figure 1.

Description of reference numerals:

1, seedling; 2, feeding into a hopper; 3, a vehicle body; 4, hanging hooks; 5, walking wheels; 6 an electric push rod; 7, digging a pit wheel; 8, electrically clamping the hand; 9, branches; 10, soil; 11 covering a soil tank; 12 a transfer tank; 13 an auxiliary wheel; 14 a conveying trough; 15 a conveyor belt; 16 delivering a sponge; 17 a storage box; 71 digging a soil opening; 72 a soil outlet; 73 a spindle.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 1-3, this embodiment provides a seedling planting device for planting a seedling, which includes a vehicle body 3, the vehicle body 3 is connected with a hook 4, the hook 4 can be used for towing the vehicle body 3, and the hook 4 can connect the vehicle body 3 with a tractor or other machinery through a steel wire rope. A storage box 17 is fixedly connected to one side of the vehicle body 3, and the sapling 1 is placed in the storage box 17.

The conveying mechanism is connected in the vehicle body 3 and is used for conveying the saplings 1, the vehicle body 3 is rotatably connected with the digging wheel 7 through a rotating shaft 73, the rotating shaft 73 is connected with a rotating motor, and the digging wheel 7 is arranged on the right side of the vehicle body 3 and is used for digging pits. The transmission mechanism and the rotating motor are connected with a controller.

The cavity is formed in the digging wheel 7, the digging wheel 7 is further provided with a plurality of digging openings 71, the digging openings 71 are communicated with the cavity, one side of the digging wheel 7 is further provided with a plurality of soil outlets 72, and the soil outlets 72 are arranged on one side of the digging openings 71.

The two soil-digging openings 71 are arranged in total, the two soil-digging openings 71 are centrosymmetric, the two soil-discharging openings 72 are arranged in total, and the two soil-discharging openings 72 are symmetrically arranged on two sides of the rotating shaft 73. The size of the soil digging opening 71 is matched with the cavity in the digging wheel 7, so that the soil 10 dug by the soil digging opening 71 at each time can fill the cavity of the digging wheel 7, and the subsequent soil covering work is facilitated.

The vehicle body 3 is further connected with a conveying groove 14 which is arranged in an inclined mode, the conveying groove 14 is arranged on one side of the digging wheel 7, the conveying groove 14 is communicated with a soil covering groove 11, and the soil covering groove 11 is connected with the vehicle body 3 and is arranged on the left side of the digging wheel 7.

The conveying trough 14 is arranged below the soil outlet 72, a small conveying belt for conveying soil is arranged in the conveying trough 14, the vehicle body 3 is further connected with a transfer trough 12 arranged in the inclined direction, the transfer trough 12 is communicated with the conveying trough 14, the other end of the transfer trough 12 is communicated with the soil covering trough 11, and the small conveying belt is connected with the controller.

Wherein, the rotating groove 12 contacts with the lower end of the digging wheel 7, so that when the soil outlet 72 rotates below, the soil outlet 72 contacts with the outer wall of the rotating groove 12, the soil is prevented from being discharged from the soil outlet 72 below, and the soil 10 in the digging wheel 7 falls on the conveying groove 14 through the soil outlet 72. Since the soil 10 is normally in a soft state, if the lower soil outlet 72 is not limited, the soil 10 cannot fill the cavity of the digging wheel 7, which is not favorable for the subsequent soil discharging.

Splayed gathering holes are formed in the front end of the conveying groove 14, the small conveying belt is used for driving the soil 10 to be conveyed to the rear side, the soil reaches the transfer groove 12 through the splayed gathering holes in the front end, and then the transfer groove 12 conveys the soil 10 to the soil covering groove 11 again.

Cover soil groove 11 and be bottom trompil structure, cover soil groove 11 and be used for the collection of soil 10 to gather together work, prevent that soil 10 from crossing in the dispersion to set up the speed of little conveyer belt in advance through the controller, make when the sapling root fall into the hole that digging pit wheel 7 dug, soil 10 drops again and covers in soil groove 11, and then drops 1 root of sapling.

The vehicle body 3 is also connected with an electric push rod 6, the electric push rod 6 is connected with an electric clamping hand 8, and the electric clamping hand 8 is arranged between the digging wheel 7 and the soil covering groove 11; the electric clamping hand 8 is connected with the controller of the electric push rod 6.

The vehicle body 3 is rotatably connected with a walking wheel 5, a walking motor is arranged in the walking wheel 5, the vehicle body 3 is also rotatably connected with an auxiliary wheel 13, and the walking motor is connected with a controller. The road wheels 5 are arranged on the right side of the digging wheel 7, the auxiliary wheel 13 is arranged at the leftmost end of the vehicle body 3, and the auxiliary wheel 13 plays a role of auxiliary support.

The right end of the electric push rod 6 is connected with the vehicle body 3, and the walking speed of the walking wheel 5 is the same as the extending speed of the electric push rod 6, so that the branch 9 part of the sapling 1 clamped by the electric clamp 8 always keeps a state of being relatively static with the ground, and the follow-up sapling planting work is facilitated.

Transport mechanism includes the rotatable conveyer belt 15 that two symmetries set up, and automobile body 3 rotates with conveyer belt 15 to be connected, and conveyer belt 15 is connected with the conveying sponge 16 that the symmetry set up, and conveying sponge 16 is used for centre gripping sapling 1, and go into hopper 2 has been seted up to 3 tops of automobile body, goes into hopper 2 and sets up directly over conveying sponge 16, and conveyer belt 15 links to each other with the controller.

The conveying sponge 16 is arranged at the upper side of the soil covering groove 11, and the saplings 1 are arranged between the soil covering groove 11 and the electric clamping hands 8. The gaps between the symmetrically arranged conveying sponges 16 are sequentially reduced from top to bottom, so that when the sapling 1 performs free-fall movement, the root of the sapling 1 can fall between the conveying sponges 16.

And because this space is the constantly reduced state, consequently the not position that corresponds different of the root of the sapling 1 of equidimension is applicable to the centre gripping action of multiple specification sapling 1 to be applicable to the sapling centre gripping work of different types, and better to the centre gripping effect of sapling 1. And along with conveying sponge 16 constantly rotates, when conveying sponge 16 rotated the conveyer belt 15 bottom, no longer had the centre gripping action to 1 root of sapling, made things convenient for 1 root of sapling to fall into the hole that digging wheel 7 dug.

The speed of conveying the saplings 1 by the conveyor belt 15 is the same as the pit digging speed of the pit digging wheel 7, so that the saplings 1 all fall into the pits dug by the pit digging wheel 7.

The invention also provides a use method of the seedling planting device for planting the saplings, and the seedling planting device for planting the saplings also comprises the following steps:

s1, the controller rotates through the traveling motor so as to drive the traveling wheels 5 to rotate and realize the traveling action of the vehicle body 3, and then the controller controls the pit digging wheel 7 to rotate through the rotating motor;

s2: the digging wheel 7 rotates, under the action of the digging opening 71, soil 10 is dug into the cavity of the digging wheel 7, so that the cavity is filled with the soil 10, with the continuous rotation of the digging wheel 7, under the action of the other digging opening 71, the digging action is completed, the soil 10 is dug into the cavity of the digging wheel 7, so that the original soil 10 in the cavity falls onto the conveying groove 14 through the soil outlet 72, and at the moment, the controller controls the conveying mechanism to convey the saplings 1 downwards;

s3: the root of the sapling 1 is conveyed to a pit dug by the digging opening 71 by the conveying mechanism, in the process, the controller controls the electric clamp 8 to clamp the branch 9 part of the sapling 1, meanwhile, the controller controls the electric clamp 8 to extend out in the direction opposite to the moving direction of the vehicle body 1 through the electric push rod 6, and then the root of the sapling 1 falls into the dug pit;

s4: soil 10 drops on 1 roots of sapling through covering soil groove 11 this moment, accomplishes the earthing work of 1 roots of sapling, and controller control electronic tong 8 loosens simultaneously, and electric push rod 6 resets, accomplishes the earthing of sapling 1 and plants seedling work.

The speed of conveying the sapling 1 by the conveying mechanism is the same as the speed of digging the pit by the digging wheel 7, so that the sapling 1 enters the dug pit by the digging wheel 7, and under the action of the small conveying belt, after the root of the sapling 1 falls into the dug pit, soil falls onto the root of the sapling 1 from the soil covering groove 11.

The method for conveying the saplings 1 by the conveying mechanism comprises the steps that the saplings 1 are placed at intervals of a fixed time from the feeding hopper 2, the saplings 1 fall between the conveying sponges 16 which are symmetrically arranged, the conveying sponges 16 achieve clamping action on the roots of the saplings 1, then the controller rotates through the control conveying belt 15, the conveying belts 15 drive the conveying sponges 16 to move downwards, and along with continuous movement of the conveying belts 15, after the electric clamping hands 8 complete clamping work on the parts of the branches 9 of the saplings 1, the roots of the saplings 1 are loosened by the conveying sponges 16, and the roots of the saplings 1 fall into pits dug by the digging wheels 7.

It should be noted that, under the effect of the digging opening 71, the digging action of the soil 10 is realized, the rotating speed of the digging wheel 7 determines the distance between the digging holes, and the speed of the conveying mechanism for conveying the saplings is adjusted at the same time, so that the equal-distance digging and seedling planting action can be realized, the distance between any adjacent saplings is convenient to adjust, manual assistance is not needed, the operation is convenient, the digging efficiency and quality are effectively improved, and the equal-distance seedling planting work is realized.

In addition, the arranged soil outlet 72 is arranged, after the cavity in the digging wheel 7 is filled with soil, along with the rotation of the digging wheel 7, the soil falls on the conveying trough 14 from the soil outlet 72, the electric clamping hand 8 clamps the branch part of the sapling, meanwhile, the electric push rod 6 drives the electric clamping hand 8 to move, so that the sapling 1 is always kept in a state of being relatively static with the soil, then the sponge 16 is conveyed to realize the loosening action of the sapling root, and the sapling 1 root falls in the pit dug by the digging wheel 7.

And simultaneously under the effect of little conveyer belt, make soil cover 10 cover at 1 roots of sapling, more accord with the artificial mode of planting seedlings, and be difficult to the loss sapling, can guarantee again that soil 10 all covers on 1 roots of sapling, and can not make branch 9 part also bury in the soil, consequently it is better to plant the seedling efficiency, it is better to plant the seedling quality, and realize digging pit and plant seedling integration work, need not follow-up repeated work, rational in infrastructure, design benefit, the formula of planting seedlings damage work to the seedling has been avoided directly inserting, and the soil of digging pit is retrieved completely, be used for covering 1 roots of sapling, need not artifical earthing again, time saving and labor saving.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A seedling planting device for planting saplings comprises a vehicle body (3), and is characterized in that a conveying mechanism is connected in the vehicle body (3) and used for conveying saplings (1), the vehicle body (3) is rotatably connected with pit digging wheels (7) through a rotating shaft (73), and the rotating shaft (73) is connected with a rotating motor; a cavity is formed in the digging wheel (7), a plurality of digging openings (71) are formed in the digging wheel (7), the digging openings (71) are communicated with the cavity, a plurality of soil outlets (72) are formed in one side of the digging wheel (7), and the soil outlets (72) are formed in one side of the digging openings (71); the vehicle body (3) is further connected with a conveying groove (14) which is arranged in an inclined mode, the conveying groove (14) is arranged on one side of the digging wheel (7) and is in contact with the lower end of the digging wheel (7), the conveying groove (14) is communicated with a soil covering groove (11), and the soil covering groove (11) is connected with the vehicle body (3) and is arranged on the left side of the digging wheel (7); the vehicle body (3) is further connected with an electric push rod (6), the electric push rod (6) is connected with an electric clamping hand (8), and the electric clamping hand (8) is arranged between the pit digging wheel (7) and the soil covering groove (11); the transmission mechanism, the rotating motor, the electric clamping hand (8) and the electric push rod (6) are connected with a controller.

2. The seedling planting device for planting the saplings as claimed in claim 1, wherein the vehicle body (3) is rotatably connected with a traveling wheel (5), a traveling motor is arranged in the traveling wheel (5), the vehicle body (3) is further rotatably connected with an auxiliary wheel (13), and the traveling motor is connected with the controller.

3. The seedling planting device for planting the saplings as claimed in claim 2, wherein the right end of the electric push rod (6) is connected with the vehicle body (3), and the traveling speed of the traveling wheel (5) is the same as the extending speed of the electric push rod (6).

4. The seedling planting device for planting seedlings as claimed in claim 3, wherein the two digging holes (71) are provided symmetrically with respect to the center of the two digging holes (71), the two soil outlets (72) are provided symmetrically with respect to the two soil outlets (72) on both sides of the rotating shaft (73).

5. The seedling planting device for planting the saplings as claimed in claim 4, wherein the conveying trough (14) is arranged below the soil outlet (72), a small conveying belt for conveying soil is arranged in the conveying trough (14), the vehicle body (3) is further connected with a transfer trough (12) which is arranged in an inclined direction, the transfer trough (12) is communicated with the conveying trough (14), the other end of the transfer trough (12) is communicated with the soil covering trough (11), and the small conveying belt is connected with the controller.

6. The seedling planting device for planting the saplings as claimed in claim 1, wherein the conveying mechanism comprises two symmetrically arranged rotatable conveying belts (15), the car body (3) is rotationally connected with the conveying belts (15), the conveying belts (15) are connected with symmetrically arranged conveying sponges (16), the conveying sponges (16) are used for clamping the saplings (1), an inlet hopper (2) is arranged above the car body (3), the inlet hopper (2) is arranged right above the conveying sponges (16), and the conveying belts (15) are connected with the controller.

7. A seedling planting device as claimed in claim 1, characterized in that the transfer sponge (16) is arranged on the upper side of the soil-covered trough (11), and the seedling (1) is arranged between the soil-covered trough (11) and the electric gripper (8).

8. A method of using a seedling planting device for planting a seedling, characterized by using a seedling planting device for planting a seedling according to any one of claims 5 to 7, comprising the steps of:

s1, the controller rotates through the traveling motor to drive the traveling wheels (5) to rotate so as to realize the traveling action of the vehicle body (3), and then the controller controls the pit digging wheel (7) to rotate through the rotating motor;

s2: the digging wheel (7) rotates, soil (10) is dug into a cavity of the digging wheel (7) under the action of the digging opening (71), so that the cavity is filled with the soil (10), the digging action is completed and the soil (10) is dug into the cavity of the digging wheel (7) under the action of the other digging opening (71) along with the continuous rotation of the digging wheel (7), so that the original soil (10) in the cavity falls onto the conveying groove (14) through the soil outlet (72), and the controller controls the conveying mechanism to convey the tree seedlings (1) downwards;

s3: the root of the sapling (1) is conveyed to a pit dug by another digging opening (71) through the conveying mechanism, in the process, the controller controls the electric clamping hand (8) to clamp the branch (9) part of the sapling (1), meanwhile, the controller controls the electric clamping hand (8) to extend out in the direction opposite to the moving direction of the vehicle body (1) through the electric push rod (6), and then the root of the sapling (1) falls into the dug pit;

s4: at the moment, soil (10) drops on the root of the sapling (1) through the soil covering groove (11), soil covering work of the root of the sapling (1) is completed, meanwhile, the controller controls the electric clamping hand (8) to be loosened, the electric push rod (6) resets, and soil covering and seedling planting work of the sapling (1) is completed.

9. The method for using a seedling planting device for planting a seedling as claimed in claim 8, wherein the speed of conveying the seedling (1) by the conveying mechanism is the same as the speed of digging the pit by the digging wheel (7), so that the seedling (1) enters the pit dug by the digging wheel (7), and soil falls from the soil covering groove (11) onto the root of the seedling (1) after the root of the seedling (1) falls into the dug pit under the action of the small conveying belt.

10. The use method of the seedling planting device for the seedling planting according to claim 8, wherein the method for conveying the seedling (1) by the conveying mechanism comprises the steps of putting the seedling (1) into the feeding hopper (2) at fixed intervals, enabling the seedling (1) to fall between the conveying sponges (16) which are symmetrically arranged, enabling the conveying sponges (16) to clamp the root of the seedling (1), controlling the conveying belt (15) to rotate by the controller, enabling the conveying belt (15) to drive the conveying sponges (16) to move downwards, enabling the conveying sponges (16) to release the root of the seedling (1) along with continuous movement of the conveying belt (15) after the electric clamping hands (8) complete partial clamping of the branches (9) of the seedling (1), and enabling the root of the seedling (1) to fall into a pit dug by the soil wheels (7).