CN208029354U - Rice stubble field non-ploughing rape no-tillage essence amount seed-sowing machine - Google Patents

Abstract

The utility model discloses a no-tillage precision direct seeding machine for rice stubble fields and rapeseed, which comprises a main frame, an auxiliary frame, a shallow spinning stubble pressing roller, a power transmission system, a front rotary cutter head, a rear rotary cutter head, and a front soil dividing plate. And the rear dividing soil plate, as well as the electric control seeding system, flexible soil covering chain group and multiple sets of double disc openers; by setting shallow spinning stubble rollers for no-tillage sowing of rice stubble fields and rapeseed, seedling belt preparation and straw rolling And realize wide-width depth limitation; through the setting of shallow spinning stubble rollers for no-tillage sowing of rice stubble fields and rapeseed, seedling belt preparation, straw rolling and wide-width depth limitation; The soil plate realizes the operation of opening furrows and covering the car surface, and solves the problem of the difference in sowing uniformity caused by the slippage of the ground wheel caused by the traditional mechanical transmission through the electric control seeding system, and then realizes the further leveling of the covering soil by setting the flexible covering chain group and seed mulch.

Description

Rapeseed no-tillage precision direct seeding machine in rice stubble field

technical field

The utility model belongs to the technical field of agricultural machinery, in particular to a no-tillage precision direct seeding machine for rapeseed in rice stubble fields.

Background technique

Rapeseed no-till sowing is an important means to reduce production input and realize conservation tillage. The mechanized no-tillage sowing of rapeseed in paddy stubble fields needs to solve the problems of pre-stubble treatment, seedling belt preparation, furrow opening, soil covering and precision sowing. Passive furrow plows are mostly used, which do not have the function of covering the car surface and cannot be directly applied to no-tillage live broadcasting machines. Chinese utility model patent application (application number 201710160352.7, application date 2017.3.17) discloses a bilateral soil-throwing type no-tillage ditch opening device, which realizes the operation of ditching and covering soil in one operation, and can be used for furrow opening of rape no-tillage sowing However, due to its structural limitations, there is a large relationship between the amount of soil covering on both sides of the furrow and the depth of the furrow, and it cannot adapt to the operation requirements of different furrow depths. In addition, rice stubble fields often have relatively high stubble and a large amount of straw. If rapeseed is directly sown on the untreated surface, it will lead to uneven sowing box surface, crop residues continue to grow and compete for nutrients, poor emergence of rapeseed, and low rapeseed yield, etc. question.

Contents of the invention

The purpose of this utility model is to address the deficiencies of the above-mentioned technologies, and provide a no-tillage precision direct seeding machine for rice stubble fields and rapeseed, which can realize shallow rotation of seedlings, stubble pressure, depth limit, furrow opening, soil covering, sowing, flexible disturbance, etc. A series of operation procedures, so that no-till sowing of rapeseed can be completed in one operation.

In order to achieve the above purpose, the no-tillage precision direct seeding machine for rice stubble field rape designed by the utility model includes a main frame, a sub-frame fixed at the rear end of the main frame, a shallow spinning roller installed at the front end of the main frame, and a The power transmission system in the middle of the main frame, the front rotary cutterhead installed in front of the power transmission system, the rear rotary cutterhead installed behind the power transmission system, the front soil divider installed on the main frame and above the front rotary cutterhead and The rear soil divider installed on the main frame and above the rear rotary cutter head, and the electric control seeding system, flexible covering chain group and multiple sets of double disc openers all installed on the sub frame;

The power transmission system includes a power input shaft whose input end is connected to the rear power output shaft of the tractor, a first T-shaped commutator connected to the output end of the power input shaft, a first coupling, a second T-shaped commutator, The second shaft coupling and the third T-type commutator; the end of the lateral output shaft of the first T-type commutator is connected to the first driving sprocket, and the output shaft of the first T-type commutator and the The input shaft of the second T-shaped commutator is connected through a first coupling, and the output shaft of the second T-shaped commutator is connected with the input shaft of the third T-shaped commutator through a second coupling. The front output shaft of the third T-type commutator is coaxially arranged with the rear output shaft of the third T-type commutator and the direction of rotation is opposite; the front rotary cutter head is installed on the front output shaft of the third T-type commutator shaft, the rear rotary cutterhead is installed on the rear output shaft of the third T-type commutator.

Further, the front rotary cutter head includes a front mounting plate, a plurality of front blade mounting seats uniformly and symmetrically distributed on the front mounting plate along the circumferential direction, and a front blade installed on each front blade mounting seat, and adjacent The two front blades are separated by the front blade mounting seat; the rear rotary cutter head includes a rear mounting plate, a plurality of rear blade mounting seats evenly and symmetrically distributed along the circumferential direction on the rear mounting plate and mounted on each rear The rear blade on the blade mounting seat, and two adjacent rear blades are separated by the rear blade mounting seat; the rotation diameter of the front rotary cutter head is 200-220mm, and the rotation diameter of the rear rotary cutter head is 290-310mm .

Further, both the front blade and the rear blade are planar blades; the front blade is provided with a soil cutting edge and bevel bending, and the rear blade has the same structure as the front blade but the bending direction is opposite .

Further, the rear soil panel includes an installation adjustment frame installed on the sub-frame for adjusting the installation height, a left transition plate welded on the bottom of the installation adjustment frame extending to the left, and a left transition plate welded on the bottom of the installation adjustment frame to the right. The right transition plate extending sideways, the rear left soil parting plate hinged with the left end of the left transition plate, the rear right soil parting plate hinged with the right end of the right transition plate, and the rear left soil parting plate hinged The left arc-shaped adjustment bar and the right arc-shaped adjustment bar hinged on the rear right soil divider, the left arc-shaped adjustment bar and the right arc-shaped adjustment bar are connected by bolts to adjust the rear left soil divider and the rear right soil divider installation angle.

Further, the shallow-spinning stubble-pressing roller includes a shallow-spinning drive shaft, a plurality of stubble-pressing rollers connected to the shallow-spinning drive shaft and arranged along the axial direction of the shallow-spinning drive shaft, and a wide Stubble pressure roller, a pair of support arms arranged at both ends of the shallow-rotation drive shaft, a pair of tie rods connected to the pair of support arms, a pair of adjustment tie rods symmetrically arranged on the tie rods, and a pair of adjustment rods sleeved on one end of the shallow-rotation drive shaft and located at The second driving sprocket on the outer side of a support arm, and between two adjacent stubble rollers, the outer side of the leftmost stubble roller, the outermost right end of the stubble roller, and the left and right sides of the wide width stubble roller are all arranged. A shallow rotary cutter head with seedlings; wherein, the bottom end of a support arm is connected to a self-aligning bearing matched with one end of the shallow rotary drive shaft, and its top is hinged with the lateral output shaft of the power transmission system through a bearing. Similarly, The bottom end of the other support arm is connected to the self-aligning bearing matched with the other end of the shallow rotation drive shaft, and its top end is hinged with the main frame through the bearing; The top ends are all hinged on the main frame; in addition, the first driving sprocket is connected with the second driving sprocket through a chain.

Further, the shallow rotary cutterhead for seedlings includes two cutterhead seats, shallow rotary blades installed on each cutterhead seat and distributed along the circumferential direction of the cutterhead seat, and a connecting roller for connecting the two cutterhead seats , and the shallow-rotating blades on the two cutter head seats are arranged alternately and evenly, the connecting roller is set on the shallow-rotating drive shaft and has an installation positioning hole fixed on the shallow-rotating driving shaft; each of the seedlings with shallow-rotating The cutting width of the cutter head is 50-80mm, the bending line of the shallow-rotating blade is right-angle bending, and the width of the blade is 20-30mm.

Further, the electronically controlled seed metering system includes a seed box, a centrifugal seed meter, a servo motor that drives the centrifugal seed meter to rotate, a motor controller that controls the servo motor, and is used to install the centrifugal seed meter and the servo motor. The seed metering bracket and the mounting bracket for installing the motor controller, the upper end of the mounting bracket is connected with the seed metering bracket, and the lower end of the mounting bracket is connected with the sub-frame.

Further, multiple groups of the double-disc openers are correspondingly distributed directly behind each of the seedling shallow rotary cutter heads.

Further, the flexible soil-covering chain group is composed of a plurality of flexible chains, and the plurality of flexible chains are all installed on the chain installation holes at the lower end of the sub-frame, and the flexible chains are evenly arranged in the two groups. In the middle of the gap between the double disc openers.

Compared with the prior art, the utility model has the following advantages: The no-tillage precision direct seeding machine for rice stubble fields and rapeseed of the utility model can carry out seedling belt preparation, straw Rolling and realizing wide-width and depth-limiting; by setting active rotating ditching cutter head and front and rear dividing soil plates, the operation of furrow ditching and car surface covering can be realized, and the electric control seeding system can solve the problem caused by the slipping of ground wheels in traditional mechanical transmission The problem of the difference in sowing uniformity, and then the further leveling of the covering soil and the seed covering can be realized by setting the flexible covering soil chain group. Finally, the utility model completes no-till sowing of rapeseed in one operation through a series of operating procedures such as shallow rotation of seedling belt, stubble pressing, depth limit, furrow opening, soil covering, sowing, and flexible disturbance, and provides a combination with the existing direct seeding for rapeseed growth. The seed bed belt with similar machine conditions has realized the light weight and conservation tillage of rapeseed mechanized seeding.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the no-tillage precision direct seeding machine for rice stubble fields of the utility model;

Fig. 2 is the back view of the no-tillage precision direct-seeding machine for rapeseed in rice stubble field of the present utility model;

Fig. 3 is a schematic structural diagram of the power transmission system in Fig. 1;

Fig. 4 is a schematic diagram of the structure of the shallow spinning stubble roller in Fig. 1;

Fig. 5 is a schematic diagram of the structure of the shallow rotary cutter head with the seedlings in Fig. 3;

Fig. 6 is a schematic structural diagram of the front rotary cutter head in Fig. 1;

Fig. 7 is a schematic diagram of the structure of the front blade in Fig. 6;

Fig. 8 is a schematic structural diagram of the rear rotary cutter head in Fig. 1;

Fig. 9 is a schematic diagram of the structure of the rear parting soil plate in Fig. 1 .

The components in the figure are numbered as follows:

Shallow rotation and depth limiting roller 1, adjusting pull rod 1a, stubble pressing roller 1b, horizontal tie rod 1c, shallow rotation cutter head 1d of seedling belt (among them: shallow rotation blade 1d1, installation positioning hole 1d2, mounting seat 1d3, connecting roller 1d4), width Stubble pressing roller 1e, self-aligning bearing 1f, second drive sprocket 1g, shallow rotary drive shaft 1h, support arm 1i, bearing 1j;

main frame 2;

Front rotary cutter head 3, front mounting plate 3a, front blade mounting seat 3b, front blade 3c (among them: installation hole 3c1, bevel bending 3c2, soil cutting edge 3c3);

Front sub-soil board 4;

Power transmission system 5, power input shaft 5a, first T-shaped commutator 5b, first T-shaped commutator output shaft 5c, first coupling 5d, second T-shaped commutator input shaft 5e, second T-type commutator 5f, second T-type commutator output shaft 5g, second coupling 5h, third T-type commutator input shaft 5i, third T-type commutator 5j, third T-type commutator The front output shaft of the commutator is 5k, and the rear output shaft of the third T-shaped commutator is 5m;

Rear dividing soil plate 6, rear left dividing plate 6a, installation adjustment frame 6b, right arc adjusting bar 6c, right transition plate 6d, rear right dividing plate 6e, left transition plate 6f, left arc adjusting bar 6g;

Electric control seed metering system 7, seed box 71, centrifugal seed meter 72, seed meter bracket 73, servo motor 74, motor controller 75, mounting bracket 76;

sub-frame 8;

Rear rotary cutter head 9, rear mounting disc 9a, rear blade 9b, rear blade mounting seat 9c;

Flexible soil-covering chain group 10, double-disc ditching machine 11, first drive sprocket 12, lateral output shaft 13, chain installation holes 14, and flexible chain 15.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

As shown in Fig. 1 and Fig. 2, the no-tillage precision direct seeding machine for rice stubble fields and rapeseed includes a main frame 2, a sub-frame 8 fixed at the rear end of the main frame 2, a shallow spinning stubble roller 1 installed at the front end of the main frame 2, The power transmission system 5 installed in the middle of the main frame 2, the front rotary cutter head 3 installed in the front of the power transmission system 5, the rear rotary cutter head 9 installed in the rear of the power transmission system 5, installed on the main frame 2 and positioned at the front rotation The front dividing soil plate 4 above the cutter head 3 and the rear dividing soil plate 6 installed on the main frame 2 and above the rear rotary cutter head 9, and the electric control seeding system 7 and flexible seeding system all installed on the sub-frame 8 A soil-covering chain set 10 and multiple sets of double disc openers 11.

As shown in Figure 3, the power transmission system 5 includes a power input shaft 5a, a first T-shaped commutator 5b, a first coupling 5d, a second T-shaped commutator 5f, a second coupling 5h and a third T-type commutator 5j. The input end of the power input shaft 5a is connected with the rear power output shaft of the tractor, and the output end of the power input shaft 5a is connected with the first T-shaped commutator 5b; the lateral output shaft 13 of the first T-shaped commutator 5b is a shallow rotation The stubble roller 1 provides driving force, and the end of the lateral output shaft 13 is connected to the first drive sprocket 12; the first T-type commutator output shaft 5c and the second T-type commutator input shaft 5e pass through the first joint The output shaft 5g of the second T-shaped commutator is connected with the input shaft 5i of the third T-shaped commutator through the second coupling 5h, and the front output shaft 5k of the third T-shaped commutator is connected with the third T-shaped commutator. The rear output shaft 5m of the type commutator is on one axis and turns in the opposite direction. Front rotary cutterhead 3 is installed on the output shaft 5k before the third T-type commutator in the power turning system 5, and the rear rotating cutterhead 9 is installed on the output shaft 5m after the third T-type commutator in the power turning system 5.

As shown in FIG. 4 , the shallow spinning stubble pressing roller 1 includes a shallow spinning drive shaft 1h, a plurality of stubble pressing rollers 1b that are connected to the shallow spinning drive shaft 1h and arranged along the axial direction of the shallow spinning drive shaft 1h, and arranged on the shallow spinning drive shaft 1h. A wide-width stubble roller 1e in the middle of the drive shaft 1h, a pair of support arms 1i arranged at both ends of the shallow-rotation drive shaft 1h, a pair of tie rods 1c connecting the pair of support arms 1i, a pair of adjustment rods symmetrically arranged on the tie rods 1c The pull rod 1a and the second drive sprocket 1g sleeved on one end of the shallow rotary drive shaft 1h and located on the outer side of a support arm 1i, and between the two adjacent stubble rollers 1b, the outer side of the leftmost stubble roller 1b, A seedling belt shallow rotary cutter head 1d is arranged on the outer side of the rightmost stubble pressing roller 1b and the left and right sides of the wide-width stubble pressing roller 1e. A plurality of stubble pressing rollers 1b are connected to the shallow rotation drive shaft 1h through bearing cooperation, thereby realizing the relative rotation between the stubble pressing roller 1b and the shallow rotation drive shaft 1h; the wide width stubble pressing roller 1e is set on the shallow rotation drive shaft 1h At the same time, all the stubble pressing rollers 1b are divided into left and right symmetrical groups, so that the wide-width stubble pressing roller 1e is located in the middle of the two groups of stubble pressing rollers 1b, and the depth of the full-width stubble pressing is realized; the bottom of a support arm 1i The end is connected on the self-aligning bearing 1f matched with one end of the shallow rotary drive shaft 1h, and its top is hinged with the lateral output shaft 13 of the power transmission system 5 through the bearing 1j. Similarly, the bottom end of the other support arm 1i is connected with the shallow On the self-aligning bearing 1f matched with the other end of the rotary driving shaft 1h, its top is hinged with the main frame 2 through the bearing 1j; , by rotating the adjustment pull rod 1a, the continuous adjustment of the depth limit can be realized, and after the adjustment of the depth limit, it will not affect the set depth of the shallow rotation operation of the seedling belt; The two driving sprockets 1g are connected, and the driving force of the shallow spinning stubble roller 1 is transmitted to the first driving sprocket 12 by the lateral output shaft 13 of the first T-shaped commutator 5b, and then the power is passed through the second driving sprocket through the chain transmission. The sprocket 1g is transmitted to the shallow-rotation drive shaft 1h to realize the transmission of shallow-rotation power.

As shown in Figure 5, in the present embodiment, the shallow rotary cutterhead 1d of the seedling belt includes two cutterhead seats 1d3, shallow rotary blades 1d1 installed on each cutterhead seat 1d3 and distributed along the circumferential direction of the cutterhead seat 1d3 and The connecting roller 1d4 is used to connect the two cutterhead seats 1d3, and the shallow rotary blades 1d1 on the two cutterhead seats 1d3 are alternately and evenly arranged, and the connecting roller 1d4 is sleeved on the shallow rotary drive shaft 1h and is fixed on the shallow rotary blade. The installation positioning hole 1d2 on the rotary drive shaft 1h is used for relatively fixing the connecting shaft and the shallow rotary drive shaft 1h. In addition, in order to enable the shallow rotary cutter head 1d with seedlings to realize the cutting of straw residues and shallow rotation of the soil, and to have low power consumption, the plowing width of each shallow rotary cutter head 1d with seedlings is set to 50-80mm. The depth of rotary tillage is 60mm, and the depth of rotary tillage is 50mm; at the same time, in order to realize the shallow rotation of the seedling belt and reduce soil spilling, the 1d1 bending line of the shallow rotation blade is set as a right-angle bend, and the width of the blade is preferably 20-30mm. The number of seedling belt shallow rotary cutters 1d is configured according to the number of sowing rows of the rapeseed direct seeding machine. In this embodiment, the number of seedling belt shallow rotary cutters 1d is set to 8 groups.

As shown in Figure 6, the front rotary cutter head 3 is installed on the front output shaft 5k of the third T-shaped commutator, including a front mounting disc 3a, a plurality of front mounting discs 3a uniformly and symmetrically distributed along the circumferential direction on the front mounting disc 3a. The blade mounts 3b and the front blades 3c mounted on each front blade mount 3b, and two adjacent front blades 3c are all separated by the front blade mounts 3b. As shown in Figure 8, the rear rotary cutterhead 9 is installed on the rear output shaft 5m of the third T-type commutator, and the structure is the same as that of the front rotary cutterhead 3, including a rear mounting disk 9a, a plurality of uniform and symmetrical disks along the circumferential direction. The rear blade mounts 9b distributed on the rear mounting disc 9a and the rear blades 9c installed on each rear blade mount 9b, and two adjacent rear blades 9c are all separated by the rear blade mounts 9b. In the present embodiment, the front rotary cutterhead 3 is smaller than the rear rotary cutterhead 9 in structural size, the preferred rotation diameter of the front rotary cutterhead 3 is 200-220mm, and the preferred rotation diameter of the rear rotary cutterhead 9 is 290-310mm; the front blade and The rear blades all adopt flat blades, which can simplify the structure of the cutter head and improve the soil throwing effect during the ditching process. , the projected area of cut soil corresponding to the front rotary cutterhead and the rear rotary cutterhead has a similar area change, thus ensuring the consistency of the amount of soil thrown on both sides of the furrow.

In addition, as shown in FIG. 7, the front blade 3c has three sets of mounting holes 3c1 (as shown in FIG. The mounting holes and the middle mounting holes of the lower part are the second group of mounting holes, the uppermost mounting holes and the lowermost mounting holes of the lower part are the third group of mounting holes), similarly, there are three groups of rear blades The arrangement of the installation holes is the same as that of the front blade, and each group of installation holes 3c1 corresponds to the change interval of the cutter head rotation diameter is 10mm. Simultaneously, the soil cutting edge 3c3 and the oblique angle bending 3c2 are set on the front blade 3c, which is beneficial to reduce cutting power consumption. The rear blade 9b has the same structure as the front blade 3c but the bending direction is opposite.

As shown in Figure 1 again, the front dividing soil plate 4 is installed on the front rotary cutterhead 3 top left, and its installation angle is adjustable, and the rear dividing soil plate 6 is installed on the top of the rear rotary cutterhead 9. As shown in Fig. 9, the rear sub-soil board includes an installation adjustment frame 6b installed on the sub-frame 8 for adjusting the installation height, a left transition plate 6f welded on the bottom of the installation adjustment frame 6b extending to the left, welded on the installation The right transition plate 6d extending to the right from the bottom of the adjustment frame 6b, the rear left soil dividing plate 6a hinged to the left end of the left transition plate 6f, and the rear right soil dividing plate 6e hinged to the right end of the right transition plate 6d , and the left arc adjustment bar 6g hinged on the rear left soil parting board 6a and the right arc adjustment bar 6c hinged on the rear right soil parting board 6e, the left arc adjustment bar 6g and the right arc adjustment bar 6c pass The bolt connection is used to adjust the installation angle of the rear left soil divider 6a and the rear right soil divider 6e. The curved surfaces of the transition plate 6f on the left and the transition plate 6d on the right can realize reasonable drainage and diversion of the soil thrown by the rear rotary cutter head 9, thereby reducing the direct collision of the thrown soil directly above the rear ditching cutter head Post-accumulation reduces the soil falling at the bottom of the ditch and improves the uniformity of the covering soil.

As shown in Figure 2 again, the electronically controlled seed metering system 7 includes a centrifugal seed meter 72, a seed meter support 73, a servo motor 74, a motor controller 75, a seed box 71 and a mounting bracket 76, and the servo motor 74 drives the centrifugal seed meter. The seed metering device 72 rotates to work, the centrifugal seed metering device 72 and the servo motor 74 are installed on the seed metering device bracket 73, the seed metering device bracket 73 is connected to the upper end of the mounting bracket 76, and the lower end of the mounting bracket 76 is connected to the sub-frame 8 Connected, the motor controller 75 is installed on the lower end of the mounting bracket 76 . By adjusting the motor controller 75 to match the rotation speed of the servo motor 74 with the operating speed of the tractor, the problem of inconsistency in sowing uniformity caused by conventional mechanical transmission due to ground wheel slippage and the like can be avoided.

As shown in Figure 1 again, multiple groups of double-disc openers 11 are correspondingly distributed directly behind each seedling belt shallow rotary cutter head 1d, and carry out seed ditching operations on the ground surface that has carried out band-shaped shallow rotary. The flexible soil-covering chain group 10 is composed of a plurality of flexible chains 15, and the plurality of flexible chains 15 are installed on the chain installation holes 14 at the lower end of the sub-frame 8, and the installation length can be adjusted, and the flexible chains 15 are evenly arranged in two groups In the middle of the gap between the double disc openers 11, the covering soil is further leveled and the soil backflow effect formed by the double disc openers 11 is strengthened.

The working principle of the utility model is as follows: according to the agronomic requirements and the field operation environment, the length of the adjustment rod in the shallow spinning stubble roller is set to complete the depth adjustment; the installation hole position of the front blade and the rear blade is adjusted to complete the ditching width, Adjustment of the depth and the amount of covering soil; adjust the covering angle of the front and rear soil dividing plates to complete the adjustment of the covering distance; power on the electronic control seeding system, and set the seeding rate according to the predetermined operating speed of the tractor. When working, first adjust the rear suspension of the tractor to the floating operation mode, connect the rear power output shaft, and after the rotation is stable, start the operation of the electronic control seeding system, and at the same time drive the tractor forward. The surface of the uncultivated land is shallowly rotated in a band shape to form a soil disturbance about 50mm deep. At the same time, multiple stubble rollers are used to compress the stubble in other areas within the working width of the unit; then, the front rotary cutterhead rotates clockwise in the random direction of the group. , the soil is thrown along the upper left of the unit, and falls to the surface after colliding with the front splitter; at the same time, the rear rotary cutter head rotates counterclockwise in the shallow ditch opened by the front rotary cutter head, and most of the soil moves along the upper right side of the unit. Throwing, colliding with the right transition plate and the rear right sub-soil plate and then falling to the ground surface, and a small part of soil is thrown along the upper left side of the unit, and falling into the ground surface after contacting and colliding with the left transition plate and the rear left sub-soil plate, forming a furrow Ditch and surface cover. The first half of the chain of the flexible soil covering chain group passes through the soil and will further level the covering soil. After the double disc opener opens the seed ditch and sows the seeds, the second half of the chain of the flexible soil covering chain group will further disturb the soil to complete the soil. Cover the seeds to complete the no-till sowing operation of rapeseed.

To sum up, the no-tillage precision direct seeding machine for rapeseed in rice stubble field of the present utility model can carry out seedling belt preparation, straw rolling and wide width and depth limitation for no-tillage sowing of rapeseed in rice stubble field by setting shallow spinning stubble roller; By setting the active rotating ditching cutter head and the front and rear soil dividers, the furrowing and soil covering operations are realized, and the electronically controlled seeding system solves the problem of the difference in sowing uniformity caused by the slipping of the ground wheel caused by traditional mechanical transmission. The further leveling of the covering soil and the covering of seeds can be realized by setting the flexible covering soil chain group. Finally, the utility model completes no-till sowing of rapeseed in one operation through a series of operating procedures such as shallow rotation of seedling belt, stubble pressing, depth limit, furrow opening, soil covering, sowing, and flexible disturbance, and provides a combination with the existing direct seeding for rapeseed growth. The seed bed belt with similar machine conditions has realized the light weight and conservation tillage of rapeseed mechanized seeding.

Claims (9)

1. a kind of rice stubble field non-ploughing rape no-tillage essence amount seed-sowing machine, including mainframe (2), the slave frame for being fixed on mainframe (2) rear end (8), be mounted on mainframe (2) front end shallow spinning stubble roller (1), be mounted on mainframe (2) in the middle part of power drive system (5), Preceding rotary head (3) in front of power drive system (5), the rear rotating knife mounted on power drive system (5) rear Disk (9) is mounted on the preceding earth separation plate (4) on mainframe (2) and above preceding rotary head (3) and is mounted on mainframe (2) Rear earth separation plate (6) upper and above rear rotary head (9), and the automatically controlled metering system that is installed on slave frame (8) (7), flexible earthing chain group (10) and multigroup double disk opener (11)；It is characterized in that：

The power drive system (5) include input terminal be connected with tractor rear power output shaft power input shaft (5a), with The output end of power input shaft (5a) be connected the first T-type commutator (5b), first shaft coupling (5d), the second T-type commutator (5f), Second shaft coupling (5h) and third T-type commutator (5j)；Lateral output shaft (13) end of the first T-type commutator (5b) connects The first drive sprocket (12) is connect, the first T-type commutator output shaft (5c) and the second T-type commutator input shaft (5e) are logical It crosses first shaft coupling (5d) to be connected, the second T-type commutator output shaft (5g) and the third T-type commutator input shaft (5i) It is connected by second shaft coupling (5h), is exported after the third T-type commutator front output shaft (5k) and the third T-type commutator Axis (5m) is coaxially arranged and turns to opposite；The preceding rotary head (3) is mounted on the third T-type commutator front output shaft (5k) On, the rear rotary head (9) is mounted on the third T-type commutator rear output shaft (5m).

2. rice stubble field non-ploughing rape no-tillage essence amount seed-sowing machine according to claim 1, it is characterised in that：The preceding rotary head (3) Including preceding mounting disc (3a), multiple preceding blade mounting bases being along the circumferential direction evenly and symmetrically distributed in preceding mounting disc (3a) (3b) and the installation preceding blade (3c) in blade mounting base (3b) in each of front, and two adjacent preceding blades (3c) are by preceding knife Piece mounting base (3b) separates；Rotary head (9) includes rear mounting disc (9a), multiple along the circumferential direction evenly and symmetrically divides after described Rear blade mounting base (9b) of the cloth in rear mounting disc (9a) and the rear blade in each rear blade mounting base (9b) (9c), and blade (9c) is separated by rear blade mounting base (9b) after adjacent two；Preceding rotary head (3) tactical diameter For 200~220mm, described rear rotary head (9) tactical diameter is 290~310mm.

3. rice stubble field non-ploughing rape no-tillage essence amount seed-sowing machine according to claim 2, it is characterised in that：The preceding blade (3c) and institute It states rear blade (9c) and is all made of plane blade；Native cutting edge (3c3) and oblique angle bending (3c2) are cut in setting on the preceding blade (3c), Blade (9c) is identical as preceding blade (3c) structure after described but bending direction is in opposed.

4. rice stubble field non-ploughing rape no-tillage essence amount seed-sowing machine according to claim 1, it is characterised in that：Earth separation plate (6) packet after described It includes on slave frame (8) for adjusting the installation and adjustment frame (6b) of mounting height, being welded on the bottom installation and adjustment frame (6b) The left side rebound (6f) that extends to the left is welded on the right side rebound that the bottom installation and adjustment frame (6b) extends to the right (6d), with the hinged rear left earth separation plate (6a) of left side rebound (6f) left-hand end and hinged with right side rebound (6d) right-hand end Rear right earth separation plate (6e), and the left arc adjustment bar (6g) that is hinged on rear left earth separation plate (6a) and it is hinged on rear right earth separation plate Right arc adjustment bar (6c) on (6e), left arc adjustment bar (6g) and right arc adjustment bar (6c) are bolted for adjusting Save the setting angle of rear left earth separation plate (6a) and rear right earth separation plate (6e).

5. rice stubble field non-ploughing rape no-tillage essence amount seed-sowing machine according to claim 1, it is characterised in that：The shallow spinning stubble roller (1) Including shallow rotation drive shaft (1h), it is connected on shallow rotation drive shaft (1h) and along the multiple of shallow rotation drive shaft (1h) axial direction arrangement The wide cut of stubble roller (1b), setting in the middle part of shallow rotation drive shaft (1h) is pressed to press stubble roller (1e), be arranged in shallow rotation drive shaft (1h) The a pair of support arms (1i) at both ends, is symmetricly set on drag link (1c) drag link (1c) of connection a pair of support arms (1i) A pair of of adjusting yoke (1a) and be nested with it is shallow rotation drive shaft (1h) one end and positioned at support arm (1i) lateral surface second Between drive sprocket (1g) and two neighboring pressure stubble roller (1b), left end pressure stubble roller (1b) lateral surface, right end press stubble roller (1b) lateral surface and wide cut pressure stubble roller (1e) left and right sides are arranged with the shallow rotary knife disk (1d) of a seedling band；Wherein, an institute It states the bottom end support arm (1i) to be connected to on the self-aligning bearing (1f) of shallow rotation drive shaft (1h) one end fits, top is passed with power The lateral output shaft (13) of dynamic system (5) is hinged by bearing (1j), and similarly, another described support arm (1i) bottom end is connected to With on the self-aligning bearing (1f) of shallow rotation drive shaft (1h) other end cooperation, top is hinged by bearing (1j) with mainframe (2)； The bottom end of a pair of adjusting yoke (1a) is hinged on drag link (1c), and top is hinged on mainframe (2)；Separately Outside, first drive sprocket (12) is connected by chain with second drive sprocket (1g).

6. rice stubble field non-ploughing rape no-tillage essence amount seed-sowing machine according to claim 5, it is characterised in that：The shallow rotary knife disk of seedling band (1d) includes two panels cutter chuck holder adapted (1d3), is mounted on every cutter chuck holder adapted (1d3) and along the circumferentially distributed shallow rotation of cutter chuck holder adapted (1d3) Blade (1d1) and connection roller (1d4) for connecting two panels cutter chuck holder adapted (1d3), and the shallow rotary knife piece on two panels cutter chuck holder adapted (1d3) (1d1) in being alternately evenly arranged, connection roller (1d4), which is nested on shallow rotation drive shaft (1h) and is provided with, is fixed on shallow rotation drive shaft Mounting-positioning holes (1d2) on (1h)；Each shallow rotary knife disk (1d) working width of seedling band is 50~80mm, shallow rotary knife piece (1d1) Bending line is right-angle bending, and blade width is 20~30mm.

7. rice stubble field non-ploughing rape no-tillage essence amount seed-sowing machine according to claim 1, it is characterised in that：The automatically controlled metering system (7) include plants case (71), centrifugal feed (72), the servo motor (74) of driving centrifugal feed (72) rotation, control The electric machine controller (75) of servo motor (74), the feed mechanism for seed branch for installing centrifugal feed (72) and servo motor (74) Frame (73) and mounting bracket (76) for installing electric machine controller (75), upper end and the seeding of the mounting bracket (76) Device holder (73) is connected, and the lower end of the mounting bracket (76) is connected with the slave frame (8).

8. rice stubble field non-ploughing rape no-tillage essence amount seed-sowing machine according to claim 5, it is characterised in that：Multigroup double-arc spline trench digging The corresponding dead astern for being distributed in the shallow rotary knife disk (1d) of each seedling band of device (11).

9. rice stubble field non-ploughing rape no-tillage essence amount seed-sowing machine according to claim 1, it is characterised in that：The flexibility earthing chain group (10) it is made of a plurality of flexible chain (15), a plurality of flexible chain (15) is installed in the chain of slave frame (8) lower end On mounting hole position (14), and the flexible chain (15) is evenly spaced in the gap of double disk opener (11) described in two groups Between.