WO2022033508A1

WO2022033508A1 - Dual-drive type membrane hole-opening and seeding device and method

Info

Publication number: WO2022033508A1
Application number: PCT/CN2021/112025
Authority: WO
Inventors: 史嵩; 李慧; 周纪磊; 荐世春; 刘虎; 位国建; 张荣芳
Original assignee: 山东省农业机械科学研究院
Priority date: 2020-08-14
Filing date: 2021-08-11
Publication date: 2022-02-17
Also published as: CN112075163B; CN112075163A

Abstract

Disclosed are a dual-drive type membrane hole-opening and seeding device and method. The dual-drive type membrane hole-opening and seeding device comprises a rack (2), and a first suspension, a disc and a second suspension which are sequentially arranged on the rack (2), wherein the disc is rotatably mounted on the rack (2), a hole-opening mechanism is provided along a circumferential edge of the disc in a matching manner, a hole-opening cam (3-7) and a seed metering device (6-2) which match the hole-opening mechanism are mounted on the rack (2), and the disc and the seed metering device (6-2) are each fitted with a driving mechanism; and when the hole-opening mechanism rotates around an axis of the disc to a position matching the hole-opening cam (3-7), the hole-opening mechanism is opened towards a side away from an end face of the disc to form a seed feeding port in communication with a seed feeding cavity in the hole-opening mechanism, and the disc can be driven to achieve active transverse hole opening at different rotation speeds.

Description

A kind of double-drive type membrane hole-opening seeding device and method

technical field

The present disclosure relates to the field of film-covered planting, and in particular, to a double-drive type hole-opening planting device and method on a film.

Background technique

The statements in this section merely provide background related to the present disclosure and do not necessarily constitute prior art.

At present, sowing on film is widely used, and film-covering cultivation has significant effects such as heat preservation, moisture preservation, promotion of early maturity of crops and increase of yield. In addition to artificial planting, people also use some simple mulching machines, usually some small, simple structure and single-function mulching machines. Spraying, mulching and other repeated labor can be completed. Generally, one or two rows are planted in one ridge. The work efficiency is low and the labor intensity is high. It is not suitable for large plots and large areas of mulching and sowing.

The inventors found that some of the current hole seeding machines on the membrane have little disturbance to the soil and save the subsequent manual drilling process because the hole-forming components are perforated and planted on the soil covered with the membrane during the hole-forming sowing process. , saving manpower and material resources, but the existing film hole seeder still has certain technical problems in sowing accuracy, film tearing and operation efficiency, and the adaptability of the operation is poor; when the land is uneven, the hole is planted on the film With different depths, the seedlings grow in different ways after emergence, which cannot meet the agronomic requirements of seedlings. In addition, most of the current hole opening methods use the same direction hole opening along the advancing direction of the machine, which is seriously affected by the speed of the machine. The operating speed of the machine is limited. On the other hand, tearing the film will increase the area of the hole, making the thermal insulation effect and the effect of restricting the growth of weeds worse.

SUMMARY OF THE INVENTION

The purpose of the present disclosure is to address the defects in the prior art, and to provide a dual-drive type on-film hole-opening seeding device and method, which can drive the turntable to realize active lateral hole-opening at different speeds, and cooperate with the driving seed meter to output at different speeds. It can meet the operation requirements of different plant spacing, and the hole opening mechanism can realize horizontal hole opening perpendicular to the walking direction, which reduces the area of film rupture, reduces the phenomenon of film tearing and film tearing, realizes high-speed and precise sowing on the film, and solves the problem of single-row operation. The problem of uneven hole opening depth caused by different ridge types.

The first object of the present disclosure is to provide a dual-drive type membrane-hole-opening seeding device, which adopts the following technical solutions:

It includes a frame and a first suspension, a disc and a second suspension arranged in sequence on the frame. The disc is rotatably mounted on the frame, and a hole-opening mechanism is matched along the circumferential edge of the disc. The cam of the hole opening mechanism, the seed metering device, the disc and the seed metering device are all equipped with a driving mechanism. When the hole opening mechanism rotates around the axis of the disk to the position of the matching cam, the hole opening mechanism opens to the side away from the end face of the disk, forming a The seeding port communicates with the seeding cavity inside the hole-opening mechanism.

Further, the first suspension includes a first support rod, a first support wheel and a first telescopic rod, one end of the first support rod is hinged on the frame, the other end is rotatably connected to the first support wheel, and one end of the first telescopic rod is The first support rod is hinged, and the other end is hinged on the frame; the second suspension includes a second support rod, a second support wheel and a second telescopic rod, one end of the second support rod is hinged on the frame, and the other end is rotatably connected to the first support rod. Two support wheels, one end of the second telescopic rod is hinged to the second support rod, and the other end is hinged to the frame, the axes of the first support wheel, the second support wheel and the disk are arranged in parallel.

Further, the hole-opening mechanism includes a fixed plate, a tongue piece and a roller. One side of the fixed plate is installed on the disc, and the other side forms a groove and is matched with a tongue piece. The tongue piece cooperates with the groove to form a seeding cavity, and the roller The tongue piece is connected by the roller shaft; the tongue piece can be rotated toward the side away from the end face of the disc to form a seeding port that communicates with the seeding cavity.

Further, one end of the tongue is hinged to the fixing plate through a pin, the axis of the pin is perpendicular to the axis of the disc, the tongue extends out of the fixing plate to form an extension part arranged relative to the cam, and the roller shaft is installed on the extension part; A tension spring connects the disc.

Further, a drive mechanism is installed on the frame, and the drive mechanism includes two drive motors that act together, wherein the output end of one drive motor is matched with the disc through the transmission mechanism, and the output end of the other drive motor is matched with the seed metering through the transmission device. device.

Further, the seed metering device is arranged on the side of the disk where the hole opening mechanism is installed, and the output port of the seed metering device faces the seed throwing mechanism located at the bottom of the disk.

Another object of the present disclosure is to provide a double-drive method for seeding holes on a membrane, using the above-mentioned seeding device, comprising the following steps:

The support wheel supports the frame and moves with the frame as a whole, and the disc drives the hole-opening mechanism to rotate around the axis of the disc;

When the hole-opening mechanism rotates to the lowest position of the disc, it penetrates the membrane and penetrates into the ground;

The seeding device outputs the seeds into the seeding cavity, and the hole-opening mechanism cooperates with the action of the cam to tear the film in the direction perpendicular to the advance of the disc and make holes on the ground, forming a seeding port to output the seeds in the seeding cavity into the soil hole;

With the rotation of the disc, the hole-opening mechanism of the next station cooperates with the cam to realize continuous film tearing, hole-opening and seeding; the suspension located at the rear suppresses and covers the soil after seeding.

Further, the rotating speed of the disc is adjusted, the working interval of the hole opening mechanism is changed, and the seeding speed of the seed thrower is adjusted to suit the working interval of the hole opening device.

Compared with the prior art, the advantages and positive effects of the present disclosure are:

(1) It can drive the turntable to realize active horizontal hole opening at different speeds, and cooperate with the different speed output of the drive seed metering device to meet the operation requirements of different plant spacings. Moreover, the hole opening mechanism can realize horizontal hole opening perpendicular to the walking direction, reducing the need for The area of the membrane ruptured, thus solving the problem that the existing hole-opening and tearing of the membrane are serious and the operation speed is difficult to control due to the influence of the running speed of the traction equipment;

(2) The active drive disc is used to drive the hole-opening mechanism to work, and the operation speed is easy to adjust, and it is not necessary to obtain reverse thrust from the ground to rotate, which avoids excessive contact between the hole-opening mechanism and the mulch, and improves the traditional passive hole-opening. It is not limited by the depth of the hole opening mechanism, it can be adjusted according to the needs, and it can effectively realize the shallow hole opening and sowing;

(3) The transverse direction perpendicular to the overall advancement direction of the disc is used to realize the hole opening, and the membrane rupture range is small, which avoids the excessive tearing of the film by the hole opening mechanism during the overall advancement process when the hole is opened longitudinally along the overall advancement of the disc. Therefore, the insulation effect of the mulch film and the effect of restricting the growth of weeds are ensured;

(4) Active hole opening is driven by its own electric power and cooperates with the active drive of the seed metering device to realize a double drive structure, which simplifies the power transmission device and complex mechanical structure of mechanical active hole opening. Independent plant spacing adjustment, according to the moisture content of each row, one machine can be used to meet the requirements of precision seeding operations in different rows; it can reduce the phenomenon of film tearing, realize high-speed precision planting on the film, and solve the problem of different ridge types and openings in single-row operation. The problem of uneven hole depth.

Description of drawings

The accompanying drawings that constitute a part of the present disclosure are used to provide further understanding of the present disclosure, and the exemplary embodiments of the present disclosure and their descriptions are used to explain the present disclosure and do not constitute an improper limitation of the present disclosure.

1 is a schematic diagram of the overall structure of the hole-opening seeding device in Embodiments 1 and 2 of the present disclosure;

2 is a schematic diagram of the cooperation between the hole-opening seeding device and the suspension in Embodiments 1 and 2 of the present disclosure;

FIG. 3 is a schematic structural diagram of the drive mechanism matching the disk in Embodiments 1 and 2 of the present disclosure;

4 is a schematic structural diagram of the suspension frame in Embodiments 1 and 2 of the present disclosure;

5 is a schematic structural diagram of the first suspension in Embodiments 1 and 2 of the present disclosure;

6 is a schematic side view of the drive mechanism mating disc in Embodiments 1 and 2 of the present disclosure;

7 is a schematic structural diagram of the second suspension in Embodiments 1 and 2 of the present disclosure;

8 is a schematic front view of the hole-opening mechanism in Embodiments 1 and 2 of the disclosure;

9 is a schematic side view of the hole opening mechanism in Embodiments 1 and 2 of the present disclosure.

In the picture: 1. Seed box, 2. Rack, 3. Electric drive hole opening device, 4. Parallel four-bar suspension frame, 5. Front copying frame, 6. Electric drive seed metering unit, 7. Rear copying frame , 3-1, motor I, 3-2, reducer, 3-3, pulley I, 3-4, belt, 3-5, hole opener, 3-6, drive disc, 3-7, open Hole cam 3-8, 3-8, pulley II, 4-1, handle bolt, 4-2, four-bar structure, 4-3, tension spring, 5-1, column, 5-2, compression spring, 5 -3, Pressing wheel, 5-4, Triangular support, 6-1, Motor II, 6-2, Seed meter, 6-3, Gear I, 6-4 Gear II, 7-1, Screw handle, 7- 2. Upper casing, 7-3, Locking spring, 7-4, Lower casing, 3-5-1, Rotating shaft, 3-5-2, Fixing groove, 3-5-3, Rotating tongue, 3 -5-4, hole-opening tongue, 3-5-5, fixing bolt shaft I, 3-5-6, fixing bolt shaft II, 3-5-7, tension spring, 3-5-8, roller, 3 -5-9, roller shaft.

detailed description

It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present disclosure. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present disclosure. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that the presence of features, steps, operations, devices, components and/or combinations thereof;

For the convenience of description, if the words "up", "down", "left" and "right" appear in the present disclosure, it only means that the directions of up, down, left and right are consistent with the drawings themselves, and do not limit the structure. It is only for the convenience of describing the present invention and to simplify the description, not to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present disclosure.

As described in the background art, in the prior art, the holes are opened in the same direction along the advancing direction of the machine, which is seriously affected by the advancing speed of the machine. The increase of the area makes the heat preservation effect and the effect of restricting the growth of weeds worse; in view of the above problems, the present disclosure proposes a double-drive type hole-opening planting device and method on the membrane.

Example 1

In a typical embodiment of the present disclosure, as shown in FIG. 1 to FIG. 9 , a dual-drive type hole-opening device for seeding on the membrane is proposed.

It mainly includes a frame 2, a first suspension, a disc, a second suspension, a hole opening mechanism, a cam, a driving mechanism and a seed meter;

The frame is used as a fixed support structure as a whole, and other components are correspondingly installed on the frame. The frame can be connected with external traction equipment, and a parallel four-bar suspension frame 4 is installed at its end, through which external traction equipment is received. The function of the hole-opening planting device drives the movement of the whole hole-opening planting device, and the hole-opening mechanism is driven on the frame to perform the hole-opening operation, and does not rely on traction to provide power, and can realize the seed-metering operation under the action of the seed-metering device and the hole-opening mechanism.

For the parallel four-bar suspension frame 4, as shown in Figure 4, it is composed of handle bolt 4-1, four-bar structure 4-2, and tension spring 4-3. Bolts adjust different hooking angles.

The disc is the driving disc 6, which is rotatably mounted on the frame 2, and the cam is mounted on the frame and is located below the disc 6;

Specifically, the center of the disc is configured with its corresponding rotating shaft, and the disc is rotatably matched with the frame through the rotating shaft, thereby realizing the connection with the frame;

It should be pointed out that, in order to meet the requirements of active driving to adjust the speed and spacing of hole-opening, the driving mechanism, in this embodiment, is configured as two driving motors that work respectively, including a drive that cooperates with the disc and drives the disc to rotate. The motor I3-1 and the drive motor II6-1 which cooperates with the seed meter and drives the output of the seed meter; the drive motor I and the drive motor II adopt cooperative control.

For the first suspension and the second suspension, the front profiling frame 5 and the rear profiling frame 7 are formed respectively after being matched with the frame, which have the function of front and rear profiling, and can realize floating profiling according to the actual terrain. It is required to use a single or two installations;

Specifically, the first suspension includes a first support rod, a first support wheel and a first telescopic rod, one end of the first support rod is hinged on the frame, the other end is rotatably connected to the first support wheel, and one end of the first telescopic rod is The first support rod is hinged, and the other end is hinged on the frame; the second suspension includes a second support rod, a second support wheel and a second telescopic rod, one end of the second support rod is hinged on the frame, and the other end is rotatably connected to the first support rod. Two support wheels, one end of the second telescopic rod is hinged with the second support rod, and the other end is hinged on the frame, the axes of the first support wheel, the second support wheel and the disk are arranged in parallel;

In this embodiment, as shown in Figures 5 and 7, the front profiling frame is composed of a column 5-1, a compression spring 5-2, a pressing wheel 5-3, and a triangular support 5-4, and the column is fixed by a bolt On the frame; the first telescopic rod corresponds to the elastic telescopic structure formed by the column and the compression spring;

The rear profiling frame is composed of a pressing wheel 5-3, a triangular support 5-4, a screw handle 7-1, an upper sleeve 7-2, a locking spring 7-3, a lower sleeve 7-4, and the lower sleeve. 7-4 is sleeved in the upper sleeve 7-2, and can be adjusted up and down through the screw handle 7-1; the second telescopic rod corresponds to the elastic expansion formed by the upper sleeve 7-2 and the lower sleeve 7-4 with the locking spring. structure;

The upper casing and the lower casing are all square tubes, and the front profile frame and the rear profile frame cooperate with the frame to achieve support and stability. The hole-opening mechanism on the top can work normally.

In this embodiment, the electric drive hole opening device is used as the main working unit, which consists of a motor I3-1, a reducer 3-2, a pulley I3-3, a belt 3-4, a pulley II3-8, and a hole opener 3 -5. The drive disc 3-6 and the hole-opening cam 3-7 are composed. The drive disc is powered by the motor I, the reducer, the pulley I, the belt, and the pulley II to realize the rotation, and the hole-opening device passes through the The fixed bolt axis I and the fixed bolt axis II are installed on different holes of the driving disc, and the opening and closing action of the hole opener is realized by cooperating with the hole opening cam;

The motor I and the reducer form a cavity drive to provide power for the rotation of the disc;

The active drive disc is used to drive the hole-opening mechanism to work, and the operating speed is easy to adjust. Moreover, it is not necessary to obtain reverse thrust from the ground to rotate, which avoids excessive contact between the hole-opening mechanism and the mulch, and improves the traditional passive hole-opening caused by tearing of the film. Serious Problem;

It is not limited by the depth of the hole opening mechanism, and can be adjusted according to the needs, which can effectively realize shallow hole opening and seeding.

The disc is fitted with a plurality of hole-opening mechanisms, which are arranged at intervals along the circular direction of the disk. The edge of the disk is provided with a plurality of stations corresponding to each hole-opening mechanism, and the hole-opening mechanism adjusts the hole-opening by cooperating with different stations. spacing;

Specifically, the hole-opening mechanism is installed on the edge of the disc in the circumferential direction, and the hole-opening mechanism includes a seeding cavity with an opening toward the center of the disc and a tongue piece that rotates and cooperates with the main body of the hole-opening mechanism. The disc is connected with a cam, and the hole-opening mechanism When rotating around the axis of the disc to the matching cam position, the tongue piece rotates towards the side away from the end face of the disc, forming a seeding port that communicates with the seeding cavity;

In this embodiment, the hole-opening mechanism is a hole-opener 3-5. As shown in Fig. 3, Fig. 8 and Fig. 9, a hole-opener is fitted at intervals on the circumferential edge of the disc. The hole opener is installed on different holes of the driving disc through the fixed bolt axis I and the fixed bolt axis II, and the opening and closing action of the hole opener is realized by cooperating with the hole opening cam;

It can be understood that, the driving disc has a plurality of sets of holes, which can realize the adjustment of the installation position and the installation number of the hole openers 3-5.

For the hole-opening mechanism, it includes a fixed plate, a tongue piece and a roller. One side of the fixed plate is installed on the disc, and the other side forms a groove and is matched with a tongue piece. The tongue piece cooperates with the groove to form a seeding cavity, and the roller passes through the roller shaft. connecting tongue;

One end of the tongue piece is hinged to the fixed plate through a pin, the axis of the pin shaft is perpendicular to the axis of the disc, the tongue piece extends out of the fixed plate to form an extension part arranged relative to the cam, and the roller shaft is installed on the extension part;

The roller shaft is connected with a tension spring, the roller shaft is connected to the disc through the tension spring, the roller cooperates with the cam to drive the tongue to act, and the tension spring and the cam act together to drive the tongue to open or close the seeding cavity of the seeding cavity.

In this embodiment, the hole opener consists of a rotating shaft 3-5-1, a fixing groove 3-5-2, a rotating tongue 3-5-3, a hole opening tongue 3-5-4, and a fixing bolt shaft I3 -5-5, the fixing bolt shaft II3-5-6, the tension spring 3-5-7, the roller 3-5-8, the roller shaft 3-5-9, the two ends of the tension spring are wound around the roller shaft and the fixing bolt shaft On the 1st, when the hole-opener is operated to the lower hole-opening place, the rotating tongue rotates around the rotating shaft, and realizes the lateral hole-opening;

As shown in Figure 3 and Figure 4, the rotating tongue is installed on the rotating shaft and can be rotated in the fixing groove to realize the opening and closing of the rotating tongue;

A hole-opening tongue is riveted on the rotating tongue for easy replacement, and the head of the hole-opening tongue is provided with a sharp angle, which can realize rapid and sharp transverse film opening operation;

The fixing grooves are welded with fixing bolt shafts I and II, which are fixed and installed in the corresponding holes of the driving disc by bolts. The fixing groove is V-shaped in the upper width and narrower at the bottom, and is attached to one side of the driving disc, and the upper part is not flat. , the lower part is an inclined surface, and the head of the fixed groove is also provided with a knife edge.

The transverse direction perpendicular to the overall advancement direction of the disc is used to realize the hole opening, and the membrane rupture range is small, which avoids the problem of excessive tearing of the membrane by the hole opening mechanism during the overall advancement process when the hole is opened longitudinally along the overall advancement of the disk. , so as to ensure the thermal insulation effect of the mulch film and the effect of restricting the growth of weeds.

For the cam, it is arranged below the disc and fixed on the frame. The disc can rotate relative to the cam, and can cooperate with the hole-opening mechanism at the bottom of the cam to open or close the tongue. The trajectory line of the collision surface of the roller can meet the needs of the hole-opening action;

That is, when the fixed groove of the hole-opening mechanism penetrates the film and penetrates into the ground, the cam pushes the tongue to open gradually, thereby pushing the upper tongue to open the hole. The tongue piece is opened to the maximum width. At this time, the tongue piece is opened to the maximum, and the seeding operation can be carried out; in the process of the fixing groove gradually separating from the fixing groove, the tongue piece is gradually closed, and the cooperation with the cam ends, and it is closed under the action of the tension spring. as the disc gradually rises;

The hole opening mechanism of the next station gradually approaches the cam, and the above process is repeated.

For the seed thrower, the side of the disk where the seed throwing mechanism is installed is provided with a seed metering device, and the output port of the seed metering device faces the seed throwing cavity at the bottom of the disk;

In this embodiment, the seed meter is a part of the electric drive seed metering unit 6, and is composed of a motor II6-1, a gear I6-3, a gear II6-4 and a seed meter 6-2. The motor sends the power through the gears. I and gear II are transmitted to the seed metering device, which can be an air suction or mechanical seed metering device, including a socket-type seed metering device, a spoon-and-disc seed metering device, and the like.

It is used in conjunction with the seed metering device to realize sowing on the membrane, wherein the seed metering device is installed on the side of the frame, and the seed box 1 is placed at the rear of the frame. The control device is discharged to the hole opener to realize the seeding operation on the film.

The electric drive hole opening device is installed on the inner side of the frame, the electric drive seed metering unit is installed on the outside of the frame, and the electric drive seed metering is synchronized with the hole opening operation. Give the hole opener.

The electric-driven seed-metering unit and the electric-driven hole-opening device adopt a motor dual-control system, so as to realize the precise seeding operation of single-seeding per hole.

Example 2

In another typical embodiment of the present disclosure, as shown in FIGS. 1-9 , a dual-drive method for seeding holes on a membrane is proposed.

Include the following steps:

A plurality of hole-opening mechanisms are arranged at intervals along the circular direction of the disk, and the disk drives the hole-opening mechanism to rotate around its axis and move forward;

When the hole-opening mechanism rotates to the lowermost position of the disc, it penetrates the film and penetrates the ground while cooperating with the cam, and the cam exerts a thrust on the tongue;

The tongue rotates toward the side away from the end face of the cam, breaking the membrane in the vertical direction relative to the advancing direction of the disc and opening holes on the ground;

With the rotation of the disc, the hole-opening mechanism cooperates with the cam in turn to achieve continuous interval membrane rupture and hole-opening;

Adjust the speed of the disc and change the working interval of the hole-opening mechanism, thereby adjusting the distance between adjacent hole-opening positions.

It can realize active horizontal hole opening at different speeds to meet the operation requirements of different plant spacings, and the hole opening mechanism can realize horizontal hole opening perpendicular to the walking direction, reducing the area of film rupture, thus solving the problem of severe film tearing in the existing hole opening. Moreover, the operating speed is affected by the operating speed of the traction equipment and is difficult to control.

In conjunction with Embodiment 1 and the accompanying drawings, the above-mentioned working process is described in detail:

The frame is installed on the external traction mechanism through the parallel four-bar suspension frame, and under the action of the external traction mechanism, the hole-opening device is driven forward as a whole, and the motor obtains electric energy from the external traction mechanism and controls it;

The motor drives the disc to rotate, so that a plurality of hole-opening mechanisms rotate around the axis of the disk, adjust the rotational speed of the motor, adjust the working interval of the hole-opening mechanism, and coordinately adjust the hole-opening distance with the traction speed of the traction mechanism;

When the hole opening mechanism is transferred to the lowermost position of the disc, the seed meter puts the seeds into the seeding cavity, the fixed groove penetrates the film and penetrates into the ground, and the roller cooperates with the cam to open the tongue for hole opening. Drop into the opened soil hole along the seeding opening;

The disc rotates continuously, the roller is in contact with the cam, and the tongue is closed, and the fixed groove is separated from the soil, and the hole opening mechanism of the next station cooperates with the cam and pierces the hole spaced from the previous soil hole. position, repeat the operation of opening acupuncture and seeding.

According to the demand and the speed of the traction equipment, adjust the rotating speed of the disc, adjust the seeding speed of the seed metering device, and change the working interval of the hole opening mechanism, so as to adjust the distance between the adjacent hole opening positions.

Active hole opening is driven by its own electric power and cooperates with the active drive of the seed metering device to realize a double drive structure, which simplifies the power transmission device and complex mechanical structure of mechanical active hole opening, and can realize independent variable plant spacing for single row of sowing. adjust;

According to the moisture content of each row, one machine can realize precise seeding of different rows; it can reduce the phenomenon of film tearing, realize high-speed precise seeding on the film, and solve the problems of different ridge types and uneven depth of hole opening in single-row operation.

The above descriptions are only preferred embodiments of the present disclosure, and are not intended to limit the present disclosure. For those skilled in the art, the present disclosure may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure shall be included within the protection scope of the present disclosure.

Claims

A double-drive type hole-opening planting device on the membrane is characterized in that it comprises a frame and a first suspension, a disc and a second suspension arranged in sequence on the frame, and the disc is rotatably installed on the frame, along the A hole-opening mechanism is fitted on the circumferential edge of the disc, and a cam and a seed metering device are installed on the frame to match the hole-opening mechanism. When the hole-opening mechanism is opened to the side away from the end face of the disc, a seed-throwing port that communicates with the seed-throwing cavity inside the hole-opening mechanism is formed.
The double-drive type above-the-film seeding device according to claim 1, wherein the first suspension comprises a first support rod, a first support wheel and a first telescopic rod, and one end of the first support rod is hinged on the On the frame, the other end is rotatably connected to the first support wheel, one end of the first telescopic rod is hinged to the first support rod, and the other end is hinged to the frame; the second suspension includes a second support rod, a second support wheel and a second telescopic rod One end of the second support rod is hinged on the frame, the other end is rotatably connected to the second support wheel, one end of the second telescopic rod is hinged with the second support rod, and the other end is hinged on the frame, the first support wheel, the second support wheel arranged parallel to the axis of the disc.
The double-drive type hole-opening planting device on the membrane of claim 1, wherein the hole-opening mechanism comprises a fixed plate, a tongue piece and a roller, one side of the fixed plate is mounted on the disc, and the other side forms a concave The groove is also matched with a tongue piece, the tongue piece cooperates with the groove to form a seeding cavity, and the roller connects the tongue piece through the roller shaft;
The double-drive type hole-opening planting device on the membrane of claim 3, wherein one end of the tongue is hinged to the fixing plate through a pin, the axis of the pin is perpendicular to the axis of the disc, and the tongue extends out of the fixing plate to form Relative to the extension part arranged by the cam, the roller shaft is mounted on the extension part; the roller shaft is connected to the disc through a tension spring.
The double-drive type hole-opening seeding device on the film of claim 1, wherein a drive mechanism is installed on the frame, and the drive mechanism comprises two drive motors that act in concert, wherein the output end of one drive motor is driven by a transmission The mechanism is matched with the disc, and the output end of the other driving motor is matched with the seed meter through the transmission device.
The double-drive type hole-opening planting device on the membrane according to claim 1, wherein the seed metering device is arranged on the side of the disk where the hole-opening mechanism is installed, and the output port of the seed metering device is located at the bottom of the disk. seeding agency.
The dual-drive type upper-membrane hole-opening seeding device according to claim 1, wherein a plurality of hole-opening mechanisms are fitted on the disc, and are arranged at intervals along the circular direction of the disc, and the edge of the disc corresponds to each hole-opening mechanism. The hole mechanism is provided with multiple stations, and the hole opening mechanism adjusts the hole spacing by cooperating with different stations.
The double-drive type hole-opening planting device on the membrane of claim 1, wherein the frame is matched with a suspension frame formed by a parallel four-bar mechanism, which is used to connect external traction equipment.
A method for seeding with holes on a double-drive type membrane, characterized in that, using the device for seeding with holes on a double-drive type membrane according to any one of claims 1-8, comprising the following steps:

The support wheel supports the frame and moves as a whole with the frame. The disc drives the hole-opening mechanism to rotate around the axis of the disk; when the hole-opening mechanism rotates to the lowest position of the disk, it penetrates the film and penetrates into the ground;

The seeding device outputs the seeds into the seeding cavity, and the hole-opening mechanism cooperates with the action of the cam to tear the film in the direction perpendicular to the advance of the disc and make holes on the ground, forming a seeding port to output the seeds in the seeding cavity into the soil hole;

As the disc rotates and advances, the hole-opening mechanism of the next station cooperates with the cam to achieve continuous interval film breaking, hole-opening and seeding; the suspension located at the rear covers the soil after seeding.
The double-drive type hole-opening seeding method on the membrane according to claim 9, characterized in that, adjusting the rotating speed of the disc, changing the working interval of the hole-opening mechanism, adjusting the seeding speed of the seeding device, and the working interval of the hole-opening device fit.