CN113207382A - Tobacco seedling transplanting vehicle and method thereof - Google Patents

Abstract

The invention provides a tobacco seedling transplanting vehicle and a method thereof, the tobacco seedling transplanting vehicle comprises a vehicle body, a fertilizer storage bin and a hole tray, wherein the fertilizer storage bin is positioned above the vehicle body, the hole tray is used for storing seedlings, a hole punching piece capable of swinging is arranged in the middle of the vehicle body, the hole punching piece comprises a hole punching rod capable of penetrating through the vehicle body, the middle of the hole punching rod is hollow, the lower end of the hole punching rod is hinged with a pair of semi-cone-shaped nozzle pieces capable of opening and closing, a hole punching reset spring is arranged between the top of the hole punching rod and the vehicle frame, a telescopic rod is hooked outside the semi-cone-shaped nozzle pieces, the upper end of the telescopic rod is positioned on the vehicle body, a pressing device for driving the hole punching rod to descend is arranged on the vehicle body, when the hole punching rod moves downwards, the telescopic rod stretches and reaches the stretching length limit, the semi-cone-shaped nozzle pieces are outwards expanded to release materials in the inner cavity of the hole punching rod, the automatic operation such as mechanical hole punching, fertilizer placement, secondary hole punching, tobacco seedling transplanting robot can be used as a tobacco seedling transplanting robot, the manpower is liberated, and the efficiency is improved.

Description

Tobacco seedling transplanting vehicle and method thereof

Technical Field

The invention relates to a tobacco seedling transplanting vehicle and a method thereof.

Background

Tobacco occupies a small position in national economy, traditional tobacco seedling transplanting is mainly performed by manpower, portable small tools are manually used for positioning on ridges, hole digging is performed for one time (mainly performed by manpower pressing), nutrient soil is placed, hole opening is performed for the second time (hole expanding), tobacco seedlings are placed, watering is performed, and the like. Some simple mechanical devices have appeared later, and although the transplanting efficiency is improved, the working principle is still mainly operated by manpower, the process is complicated, the labor force is large, and the economic benefit is not high.

Disclosure of Invention

The invention improves the problems, namely the technical problems to be solved by the invention are that the existing tobacco seedling transplanting is mainly performed by manpower, time and labor are wasted, and the efficiency is low.

The specific embodiment of the invention is as follows: the utility model provides a tobacco transplanting seedling car, includes the automobile body and is located the storage fertilizer storehouse of depositing fertilizer of automobile body top and is used for depositing the cave dish of depositing the seedling, the automobile body middle part has the piece of can wobbling digging the cave, the piece of digging the cave is including the pole of digging the cave that can pass the automobile body, it is hollow in the middle part of the pole of digging the cave, and the lower extreme of digging the pole articulates there is a pair of half awl form awl mouth piece that can open and shut, it has the reset spring of digging the cave to dig between pole top and the frame, half awl form awl mouth piece outside couple has the telescopic link, the upper end of telescopic link is located the automobile body, have the drive on the automobile body and hit the descending device of punching of cave pole, when digging the cave pole move down the telescopic link stretch and reach after the tensile length limit with half awl mouth piece outwards release dig the pole inner chamber material of digging the cave.

Furthermore, the vehicle body is provided with a channel, the upper end of the hole drilling return spring is fixedly connected with the hole drilling rod, the lower end of the hole drilling return spring is fixedly provided with a stop lever which stretches across the channel and pushes against the upper surface of the vehicle body, the vehicle frame is fixedly provided with a swing frame motor, the output end of the swing frame motor is fixedly provided with a swing frame, and the hole drilling rod is fixed at the lower end of the swing frame through a connecting spring and penetrates through the channel.

Furthermore, it has a pair ofly to beat the cave piece, and two pole positions in the both sides of rocker of beating the cave, the rocker corresponds the pole upper end opening part of beating the cave and is provided with the trompil, the axial fixed connection spring's of trompil upper end, the lower extreme of connecting spring and the pole upper end fixed connection that beats the cave.

Furthermore, the pressing device comprises a pressing motor located on the frame, a ball fixed on the vehicle body is arranged below the pressing motor, the output end of the pressing motor is coaxially connected with a lead screw, and the lead screw can abut against the upper end of the hole punching rod.

Further, the manipulator that is used for the centre gripping seedling has on the automobile body, the manipulator is located the removal of triaxial slip table and serves, the manipulator includes the manipulator seat, it has a pair of articulated clamping jaw to articulate on the manipulator seat, and the middle part of each clamping jaw articulates there is the connection piece, the connection piece middle part is connected with the piece of drawing that can stimulate the connection piece around with one, draw the piece by electric jar drive back-and-forth movement.

Furthermore, a pair of rear wheel guide rails arranged along the length direction of the vehicle body are fixed on the front side of the bottom of the vehicle body, a guide sliding block is arranged on each rear wheel guide rail in a sliding fit mode, the rear wheels are hinged to a wheel shaft, two ends of the wheel shaft are connected to the guide sliding blocks through bearings, and a ridge changing electric cylinder for driving the wheel shaft to move back and forth is arranged at the bottom of the vehicle body.

Furthermore, the vehicle body comprises a frame, and a pair of front wheels and a pair of rear wheels which are positioned below the frame, wherein the pair of front wheels are driven by different motors to rotate.

Furthermore, a water storage tank is fixed on the upper portion of the vehicle body, and a spray head fixed below the vehicle body extends from the water storage tank.

Further, the cave dish is placed on the cave dish frame, be provided with power and control box on the automobile body, the play fertilizer mouth of storing up fertile storehouse below has valve body or auger of control row material.

The invention also comprises a tobacco seedling transplanting method, which utilizes the tobacco seedling transplanting vehicle, and is characterized by comprising the following steps:

(1) after the operation is started, the trolley integrally walks above the ridges, the auger is arranged at the fertilizer outlet to control the fertilizer in the fertilizer storage bin to flow out of the fertilizer outlet, so that the fertilizer flows into a hole digging part to finish fertilizer loading;

(2) after the fertilizer is loaded, the swing frame motor rotates, the whole hole punching piece, the fertilizer inside the hole punching piece and the connecting spring arranged above the hole punching piece rotate to a position right below the hole punching motor and the ball screw, and the position is right above the position to be punched in the field ridge;

(3) the motor that suppresses rotates, and ball moves down the top and at the pole top of once hitting the cave of hitting the cave piece, once hits the cave piece this moment and can stretch out downwards and beat the cave under ball's effect, and the reset spring that hits the cave receives the effect of shelves pole and can be blocked by the automobile body, and along with ball rotates to drive and suppresses the motor and descend, hits the cave reset spring compression, and top connecting spring is tensile, and the telescopic link also can be elongated simultaneously. After the hole drilling depth reaches, the telescopic rod reaches the maximum telescopic limit, the ball screw continuously rotates at the moment, the primary hole drilling piece continuously extends downwards, the telescopic rod does not extend any more at the moment, the half-cone-shaped nozzle piece at the lowest part of the primary hole drilling piece is pulled, then the two half-cone-shaped nozzle pieces are opened, and internal materials fall into soil to complete the hole drilling and blanking process;

(4) the fertilizer in the primary hole punching piece flows out, then the punching motor rotates reversely, the primary hole punching piece can also rise under the action of the hole punching reset spring in a compressed state and the connecting spring above the compressed hole punching reset spring in a stretched state, and the primary hole punching and nutrient soil placing procedures are completed;

(5) at the moment, tobacco seedlings are placed into the hole digging rod from the hole disk through the manipulator in the other hole digging component, the swing frame motor rotates the hole digging component with the tobacco seedlings inside to move to the position below the punching motor, and the hole digging and blanking process of the step (3) is repeated to enable the tobacco seedlings to fall into soil;

(6) a water storage tank is fixed on the upper part of the vehicle body, a spray head fixed below the vehicle body extends from the water storage tank, and after the tobacco seedlings fall into soil, the spray head sprays water;

(7) after the work of one row of ridges is accomplished to the dolly, the flexible end work of trading the ridge electric cylinder is pulled back, and the shaft is close to along the rear wheel guide rail to the front wheel this moment, has reduced the distance of front and back wheel, later turns the action again, and the turning radius diminishes consequently can not crush field ridge on every side this moment. After the trolley turns and the ridge changing work is finished.

Compared with the prior art, the invention has the following beneficial effects: this transplanting vehicle can realize mechanical automatic operation and make cave, places fertilizer, and the secondary is opened the cave, places automatic operation such as tobacco seedling, can regard as tobacco seedling transplanting robot, has liberated the manpower, has improved efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic view of the installation structure of the punching element of the invention.

FIG. 4 is a schematic view of the structure of the punching member of the present invention.

Fig. 5 is a schematic structural view of the robot of the present invention.

FIG. 6 is a bottom view of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-6, a tobacco seedling transplanting vehicle, including automobile body 10 and be located the fertile storehouse 20 of depositing of automobile body top storage fertilizer and be used for depositing the cave dish 30 of depositing the seedling, the automobile body middle part has can wobbling drilling piece 40, drilling piece is including the pole 410 of breaing the cave that can pass the automobile body, the pole middle part of breaing the cave is hollow, and the lower extreme of pole of breaing the cave articulates there is a pair of half awl form awl mouth piece 420 that can open and shut, it has the reset spring 430 of breaing the cave to beat between pole top and the frame, the outside couple of half awl form awl mouth piece has telescopic link 440, the upper end of telescopic link 440 is fixed in the automobile body, have the descending pressure device of drive pole of breaing the cave on the automobile body, when the pole of breaing the cave moves down telescopic link 440 flexible and reach tensile length limit after outwards open release pole inner chamber material with half awl mouth piece 411.

In this embodiment, the vehicle body is provided with a channel 110, the upper end of the hole drilling return spring is fixedly connected with the hole drilling rod 410, the lower end of the hole drilling return spring 430 is fixedly provided with a stop lever 431 which stretches across the channel 110 and pushes against the upper surface of the vehicle body, the vehicle frame is fixedly provided with a swing frame motor 50, the output end of the swing frame motor 50 is fixedly provided with a swing frame 510, and the hole drilling rod is fixed at the lower end of the swing frame through a connecting spring 520 and penetrates through the channel 110.

In this embodiment, the pressing device includes a pressing motor 60 located on the frame, a ball fixed on the vehicle body is arranged below the pressing motor, the output end of the pressing motor is coaxially connected with a lead screw, and the lead screw can abut against the upper end of the hole punching rod.

In the actual design, the electric cylinder, the air cylinder and other linear driving modes are adopted to realize the pressure application on the punching rod.

In this embodiment, the hole making component 40 has a pair, and includes a primary hole making component 401 and a secondary hole making component 402, where the primary hole making component 401 is used for receiving fertilizer, and the secondary hole making component 402 is used for receiving tobacco seedlings.

The swing frame 510 is fan-shaped structure, and the channel 110 is the arc structure, is in the route that the swing radian of swing frame 510 passed through, and two pole 410 of breaing an cave are located the both sides of swing frame 510, the swing frame corresponds pole upper end opening part of breaing an cave and is provided with trompil 511, the upper end of the axial fixity connection spring 520 of trompil, the lower extreme of connecting spring and the pole upper end fixed connection of breaing an cave.

In this embodiment, the tray 30 is placed on the tray frame 310, and the tray is provided with a plurality of insertion holes for placing seedlings. The vehicle body is provided with a power supply and a control box, and a fertilizer outlet 210 below the fertilizer storage bin is provided with a packing auger 220 for controlling material discharge.

The car body is provided with a manipulator 70 for clamping seedlings, and the manipulator is positioned on the moving end of the three-axis sliding table 710.

When the device works, the operation procedure is also divided into the steps of positioning, primary hole digging, fertilizer placing, secondary hole digging, tobacco seedling placing, watering and the like;

after the operation is started, the trolley integrally walks above the ridges, and the wheels are arranged on two sides of the ridges, so that the ridges cannot be crushed. After reaching the designated position, the auger 220 at the fertilizer outlet 210 rotates, the fertilizer placed in the fertilizer storage bin 20 flows out of the fertilizer outlet 210 under the action of the internal auger, the fertilizer outlet amount is controlled by the number of rotating turns of the auger, and therefore the fertilizer flows into the primary hole digging part 401 (the default position of the primary hole digging part is right below the fertilizer outlet 210), and fertilizer loading is completed.

After the fertilizer is loaded, the swing frame motor 50 rotates, at the moment, the whole primary hole punching piece 401, the fertilizer inside the hole punching piece and the connecting spring 520 arranged above the primary hole punching piece 401 all rotate to the position right below the pressing motor 60 and the ball screw, and the position is right above the position to be punched in the field ridge. At this point the secondary cavitation member 402 and the attachment spring 520 positioned above the secondary cavitation member 402 rotate just before the robot 70.

After the hole making, the pressing motor 60 rotates, the ball screw moves downwards to abut against the top end of the hole making rod 410 of the primary hole making piece 401, at the moment, the primary hole making piece 401 extends downwards to make a hole under the action of the ball screw, the hole making return spring 430 is blocked by the vehicle body under the action of the stop rod 431, the pressing motor 60 is driven to move downwards along with the rotation of the ball screw, the hole making return spring 430 is compressed, the upper connecting spring 520 is stretched, and meanwhile, the telescopic rod 25 is also stretched. After the hole digging depth reaches, the telescopic rod 25 reaches the maximum telescopic limit for all times, the ball screw continues to rotate at the moment, the hole digging piece 401 continues to extend downwards for one time, the telescopic rod does not extend any more at the moment, the half-cone-shaped nozzle piece 411 at the bottom of the hole digging piece 401 begins to be pulled for one time, then the two half-cone-shaped nozzle pieces 411 are opened, the fertilizer inside the hole digging piece 401 flows out for one time, then the pressing motor 60 rotates reversely, the hole digging piece 401 rises under the action of the hole digging reset spring 430 in a compression state and the connecting spring 520 above the hole digging reset spring 430 in a stretching state, and the hole digging and nutrient. During the ascending of the primary hole making piece 401, the expansion link 440 is also compressed and retracted until the expansion link is no longer retracted, the primary hole making piece 401 is still ascending, at the moment, the expansion link 440 starts to jack back the cone nozzle below the primary hole making piece 401 to close the cone nozzle, and the primary hole making piece 401 returns to the original state.

The cave dish 30 is placed on the cave dish rack 310, the cave dish has multiple layers, the manipulator 70 comprises a manipulator seat 710, a pair of hinged clamping jaws 720 is hinged on the manipulator seat, a connecting piece 730 is hinged in the middle of each clamping jaw, the middle of the connecting piece is hinged with a pulling block 740 capable of pulling the connecting piece forwards and backwards, the pulling block is driven by an electric cylinder to move forwards and backwards, and the clamping jaws 720 are pulled by the electric cylinder. In actual design, the manipulator can adopt other multi-axis manipulators to clamp tobacco seedlings.

While the one-time hole making component 401 works, the manipulator 70 works simultaneously, and the manipulator can clamp the seedlings in the hole tray 30 at a certain fixed position on the nearby hole tray frame 310, and the hole tray 30 can send the seedlings in the hole tray to the fixed position grabbed by the manipulator 70 under the action of the three-axis sliding table. After grabbing seedlings, the manipulator 70 places the seedlings in the secondary hole digging part 402, then the manipulator 70 returns, the swing frame motor 50 rotates reversely, the secondary hole digging part 402 and the connecting spring 520 arranged above the secondary hole digging part 402 just rotate to the position right below the pressing motor 60 and the ball screw, and the primary hole digging part 401 rotates to the position below the fertilizer outlet 210 together with the connecting spring 520 arranged above the primary hole digging part 401 and the hole digging return spring 430. At this moment, the pressing motor 60 drives the output shaft to drive the screw rod to rotate and move downwards, the working principle of the secondary hole punching piece 402 and the parts above the secondary hole punching piece is completely the same as that of the primary hole punching piece 401, the telescopic rod 25 reaches the maximum telescopic limit for the time, the ball screw rod continues to rotate at the moment, the secondary hole punching piece 402 continues to extend downwards, the telescopic rod does not extend any more at the moment, the secondary hole punching piece 402 starts to pull the half-cone-shaped cone mouth piece 411 at the bottom, then the two half-cone-shaped cone mouth pieces 411 are opened, the seedlings in the secondary hole punching piece 402 drop, then the secondary hole punching piece 402 rises and returns, all parts are in the original state, and the secondary hole punching and tobacco.

In the course of the work, in order to realize once making cave and twice work of making cave of secondary can be compacter efficiency higher, and during the work of the secondary piece of making cave, once make cave 401 and just in time be located play fertile mouthful 210 department, auger 220 rotates and rotates, and play fertile mouthful 210 goes out fertile, and fertilizer falls in making cave to prepare for making cave the next time in one time of making cave piece 401 to the greatest extent, and manipulator 70 is ready to snatch the tobacco seedling the next time.

The upper part of the vehicle body is fixed with a water storage tank 80, and the water storage tank extends to form a spray head 810 fixed below the vehicle body. After the procedure of placing the tobacco seedlings is completed, the spray head 810 sprays water, the spray head 810 is connected with the water storage tank 80 through a pipeline, and a water pump and an electromagnetic valve are arranged on the pipeline to realize water outlet control. And when the work cycle is finished, all the mechanisms work cooperatively to reciprocate circularly. Although the processes are more, the processes are all carried out simultaneously, so that the time and the labor are saved.

In this embodiment, the vehicle body 10 includes a frame, and a pair of front wheels 120 and a pair of rear wheels 130 located below the frame, where the pair of front wheels are driven by different front wheel motors (121, 122) to rotate so as to generate a differential speed during steering to achieve the purpose of steering.

A pair of rear wheel guide rails 131 which are arranged along the length direction of the vehicle body are fixed at the bottom of the vehicle body on the front side, a guide sliding block 140 is matched on the rear wheel guide rails 131 in a sliding mode, the rear wheels are hinged to a wheel shaft 150, two ends of the wheel shaft are connected to the guide sliding block through bearings, and a ridge changing electric cylinder 160 which drives the wheel shaft to move back and forth is arranged at the bottom of the vehicle body.

Because the trolley works, the front wheel 120 and the rear wheel 130 have a certain distance, when the trolley changes the ridges and turns to after finishing the work of one row of ridges, the turning radius is larger, the side ridges can be crushed, after the trolley finishes the work of one row of ridges, the telescopic end of the ridge changing electric cylinder 160 works and is pulled back, at the moment, the wheel shaft 150 and the two rear wheels 130 are close to the front wheel 120 along the rear wheel guide rail 130 under the action of tension, the distance between the front wheel and the rear wheel is shortened, then the turning action is carried out, and at the moment, the turning radius is reduced, so that the surrounding ridges cannot be crushed. After the trolley turns and completes ridge changing work, the telescopic end of the ridge changing electric cylinder 160 works and is pushed out, the wheel shaft 150 and the two rear wheels 130 return to the initial positions along the rear wheel guide rails 130, transplanting work is started, and the cycle is repeated.

The vehicle body is also provided with a power supply 170 and a control box 180 for realizing power supply and control of the electric control equipment.

This tobacco transplanting cart car is outer in addition control motor part and self-adaptation cruise, control system such as big dipper navigation and binocular vision are supplementary, and this transplanting cart can freely navigate according to the field ridge in the field and seek the trail walking, and the manual work only needs add fertilizer according to alarm sound, water, changes the cave dish, and the battery etc. can, can regard as tobacco transplanting robot, has liberated the manpower, has improved efficiency.

The device can meet the seed loading requirements of various different plant seedlings.

If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.

Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.

Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a tobacco transplanting seedling car, its characterized in that, includes the automobile body and is located the storage fertilizer storehouse of depositing fertilizer of automobile body top and is used for depositing the cave dish of depositing the seedling, stores up fertilizer storehouse below and has the play fertile mouth of discharge fertilizer, the automobile body middle part has the piece of digging a cave that can swing, the piece of digging a cave is including the pole of digging a cave that can pass the automobile body, it is hollow in the middle part of the pole of digging a cave, and the lower extreme of the pole of digging a cave articulates there is a pair of half awl form awl mouth piece that can open and shut, digging a cave reset spring has between pole top and the frame, the outside couple of half awl form awl mouth piece has the telescopic link, the upper end of telescopic link is fixed in the automobile body, have the drive on the automobile body and dig a cave pole descending pressure equipment, when digging a pole moves down the telescopic link stretch and reach the extension length limit after with half awl form awl mouth piece outwards open the release and dig a cave pole inner chamber material.

2. A tobacco seedling transplanting vehicle as claimed in claim 1, wherein the vehicle body is provided with a channel, the upper end of the hole digging return spring is fixedly connected with a hole digging rod, the lower end of the hole digging return spring is fixedly provided with a stop lever which crosses the channel and pushes against the upper surface of the vehicle body, the vehicle frame is fixedly provided with a swing frame motor, the output end of the swing frame motor is fixedly provided with a swing frame, and the hole digging rod is fixed at the lower end of the swing frame through a connecting spring and penetrates through the channel.

3. A tobacco seedling transplanting vehicle as claimed in claim 2, wherein the hole digging part has a pair, two hole digging rods are located at two sides of the swing frame, an opening is arranged on the swing frame corresponding to the opening at the upper end of the hole digging rod, the upper end of the spring is fixedly connected with the axial direction of the opening, and the lower end of the spring is fixedly connected with the upper end of the hole digging rod.

4. A tobacco seedling transplanting vehicle as claimed in claim 1 or 2, wherein the pressing device comprises a pressing motor located on the frame, a ball fixed on the vehicle body is provided below the pressing motor, the output end of the pressing motor is coaxially connected with a lead screw, and the lead screw can abut against the upper end of the hole punching rod.

5. A tobacco seedling transplanting vehicle according to claim 2 or 3, wherein the vehicle body is provided with a manipulator for clamping seedlings, the manipulator is located at the moving end of the three-axis sliding table and comprises a manipulator seat, a pair of hinged clamping jaws is hinged to the manipulator seat, a connecting piece is hinged to the middle of each clamping jaw, the middle of the connecting piece is connected with a pulling block capable of pulling the connecting piece forwards and backwards, and the pulling block is driven by an electric cylinder to move forwards and backwards.

6. A tobacco seedling transplanting vehicle as claimed in claim 5, wherein a pair of rear wheel guide rails arranged along the length direction of the vehicle body are fixed on the front side of the bottom of the vehicle body, a guide slider is slidably fitted on the rear wheel guide rails, the rear wheels are hinged on a wheel shaft, two ends of the wheel shaft are connected to the guide slider through bearings, and the bottom of the vehicle body is provided with a ridge changing electric cylinder driving the wheel shaft to move back and forth.

7. A tobacco seedling transplanting vehicle as claimed in claim 1, wherein the vehicle body comprises a frame, a pair of front wheels and a pair of rear wheels, the front wheels and the rear wheels are located below the frame, and the front wheels are driven by different motors to rotate.

8. A tobacco seedling transplanting vehicle as claimed in claim 1, wherein a water storage tank is fixed on the upper part of the vehicle body, and a spray head fixed under the vehicle body extends from the water storage tank.

9. A tobacco seedling transplanting vehicle as claimed in claim 1, wherein the tray is placed on a tray frame, the vehicle body is provided with a power supply and a control box, and a fertilizer outlet below the fertilizer storage bin is provided with a valve body or an auger for controlling discharging.

10. A tobacco seedling transplanting method using the tobacco seedling transplanting vehicle according to claim 6, comprising the steps of:

(1) after the operation is started, the trolley integrally walks above the ridges, the auger is arranged at the fertilizer outlet to control the fertilizer in the fertilizer storage bin to flow out of the fertilizer outlet, so that the fertilizer flows into a hole digging part to finish fertilizer loading;

(2) after the fertilizer is loaded, the swing frame motor rotates, the whole hole punching piece, the fertilizer inside the hole punching piece and the connecting spring arranged above the hole punching piece rotate to a position right below the hole punching motor and the ball screw, and the position is right above the position to be punched in the field ridge;

(3) the motor that suppresses rotates, and ball moves down the top and at the pole top of once hitting the cave of hitting the cave piece, once hits the cave piece this moment and can stretch out downwards and beat the cave under ball's effect, and the reset spring that hits the cave receives the effect of shelves pole and can be blocked by the automobile body, and along with ball rotates to drive and suppresses the motor and descend, hits the cave reset spring compression, and top connecting spring is tensile, and the telescopic link also can be elongated simultaneously. After the hole drilling depth reaches, the telescopic rod reaches the maximum telescopic limit, the ball screw continuously rotates at the moment, the primary hole drilling piece continuously extends downwards, the telescopic rod does not extend any more at the moment, the half-cone-shaped nozzle piece at the lowest part of the primary hole drilling piece is pulled, then the two half-cone-shaped nozzle pieces are opened, and internal materials fall into soil to complete the hole drilling and blanking process;

(4) the fertilizer in the primary hole punching piece flows out, then the punching motor rotates reversely, the primary hole punching piece can also rise under the action of the hole punching reset spring in a compressed state and the connecting spring above the compressed hole punching reset spring in a stretched state, and the primary hole punching and nutrient soil placing procedures are completed;

(5) at the moment, tobacco seedlings are placed into the hole digging rod from the hole disk through the manipulator in the other hole digging component, the swing frame motor rotates the hole digging component with the tobacco seedlings inside to move to the position below the punching motor, and the hole digging and blanking process of the step (3) is repeated to enable the tobacco seedlings to fall into soil;

(6) a water storage tank is fixed on the upper part of the vehicle body, a spray head fixed below the vehicle body extends from the water storage tank, and after the tobacco seedlings fall into soil, the spray head sprays water;

(7) after the work of one row of ridges is accomplished to the dolly, the flexible end work of trading the ridge electric cylinder is pulled back, and the shaft is close to along the rear wheel guide rail to the front wheel this moment, has reduced the distance of front and back wheel, later turns the action again, and the turning radius diminishes consequently can not crush field ridge on every side this moment. After the trolley turns and the ridge changing work is finished.

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