CN213938785U - Deep scarification fertilization seedling belt rotary tillage precision seeder - Google Patents

Abstract

The utility model discloses a subsoiling and fertilizing seedling belt rotary tillage precision seeder, which comprises a frame, a double output shaft gearbox, a seeder and a transmission roller, wherein a front-shovel straw cleaner, a subsoiling and fertilizing multi-layer shovel assembly and a seedbed rotary cultivator are sequentially arranged on the lower side of the frame, and a chemical fertilizer box is arranged on the upper side of the frame; the bottom of the fertilizer box is provided with a deep fertilizer apparatus and a shallow fertilizer apparatus which are matched with the deep-loosening multilayer fertilizing shovel assembly. The utility model discloses can realize clearing up the straw before the dark pine, can once only fertilize into different soil layers with the required fertilizer of the different growth periods of crops in the time of the dark pine, a good environment is provided for crops growth, realize once fertilizing, need not the later stage topdressing, improve the chemical fertilizer utilization ratio, can the rotary tillage play the seedling area of a seeding behind the dark pine, improve crops seeding depth uniformity, it is neat to realize the seedling easily, the seedling is strong, the seedling is even, thereby improve crops output, can directly return the field with surplus straw through the rotary tillage, can improve the fertility of soil, reduce and plant the link.

Description

Deep scarification fertilization seedling belt rotary tillage precision seeder

Technical Field

The utility model belongs to the technical field of the seeder, concretely relates to smart volume seeder of dark pine fertilization seedling zone rotary tillage.

Background

Modern agricultural planting is basically mechanized, but generally crop seeding adopts no-tillage seeding, shallow-rotation seeding and other farming modes. However, for deep-rooted crops, most roots are distributed in a soil layer of 10-40cm, so that the soil layer structure and the soil property have great influence on the growth of the deep-rooted crops and the shape and the number of the roots. Because no-tillage or insufficient rotary tillage depth, a hard plough bottom layer is easily formed on the soil bottom layer, and the surface layer live soil layer becomes small, which has great influence on the growth of deep root system crops root systems. And continuous additional fertilizer is needed in different growth periods of deep root crops, so that the labor cost is high. Therefore, in order to achieve better growth of deep root crops, effective methods must be employed to improve soil quality. As one of the main grain crops in China, the corn belongs to deep root crops, and in order to enable the corn to grow better, an effective method is needed to improve the soil quality. The plough bottom layer can be broken through deep loosening, and the air permeability of soil and the water and fertilizer storage capacity are improved. However, after deep scarification, large soil blocks are easy to generate, and the seedling bed is covered by the straws, so that the difference of the sowing depth of the seeds is easily increased due to the uneven soil, and the coverage of the straws influences the emergence rate of the seeds and the later growth of the corns.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a deep scarification fertilization seedling zone rotary tillage precision planter, aiming at the defects in the prior art, the design is novel and reasonable, the straw can be cleaned before the deep scarification, the plough bottom layer can be broken through the deep scarification, the soil air permeability, the water storage capacity and the fertilizer capacity are increased, the fertilizers required by different growth periods of crops can be applied to different soil layers at one time during the deep scarification, a good environment is provided for the growth of the crops, the one-time fertilization is realized, the later stage topdressing is not needed, on one hand, the labor force is reduced, the fertilizer utilization rate is improved, a seeding seedling zone can be obtained through rotary tillage after the deep scarification, the seeding depth consistency of the crops is improved, the seedlings are easy to realize, the seedlings are neat, the seedlings are strong, the seedlings are even, the crop yield is improved, the residual straw can be directly returned to the field through the rotary tillage, the fertility of the soil can be improved, the growth and the development of the crops are promoted, the crop planting ditch has less straw stubble; on the other hand, the cultivation efficiency is high, the planting links are reduced, the crop planting cost is saved, the straw burning is effectively avoided, the agricultural ecological environment is protected, the agricultural sustainable development is promoted, and the popularization and the use are convenient.

In order to solve the technical problem, the utility model discloses a technical scheme is: deep scarification fertilization seedling belt rotary tillage precision planter is characterized in that: the multi-layer subsoiling and fertilizing seeder comprises a frame, a double-output-shaft gearbox arranged on the frame and connected with an output shaft of a tractor, and a seeder and a transmission roller connected to the rear end of the frame, wherein a front-shovel straw cleaner, a deep-loosening multi-layer fertilizing shovel assembly and a seedbed rotary cultivator are sequentially arranged on the lower side of the frame, the front-shovel straw cleaner and the seedbed rotary cultivator are in transmission connection with the double-output-shaft gearbox, and a chemical fertilizer box is arranged on the upper side of the frame;

the deep-loosening multilayer fertilization shovel assembly comprises a deep loosening shovel, a deep fertilization mechanism arranged on the rear side of the deep loosening shovel and a shallow fertilization mechanism arranged on the rear side of the deep fertilization mechanism, wherein the deep fertilization mechanism comprises a deep fertilizer conveying pipe and a deep fertilizer discharging pipe communicated with the bottom of the deep fertilizer conveying pipe, a fertilizer regulator is arranged at the intersection position of the deep fertilizer conveying pipe and the deep fertilizer discharging pipe, a plurality of deep fertilizer guide plates for fertilizing soil bodies at different depth layers are arranged in the height direction of the deep fertilizer discharging pipe, and a deep fertilizer output port is formed in the upper side of the deep fertilizer discharging pipe where each deep fertilizer guide plate is located;

the bottom of the fertilizer box is provided with a deep fertilizer discharger matched with the deep fertilizer pipe and a shallow fertilizer discharger matched with the shallow fertilizer mechanism.

The deep-scarification fertilizing seedling belt rotary tillage precision seeder is characterized in that: the tractor is characterized in that a suspension bracket connected with the tractor body is arranged on the frame, a pedal for an operator to stand is further arranged on the frame, and a man ladder is arranged at the edge of the pedal.

The deep-scarification fertilizing seedling belt rotary tillage precision seeder is characterized in that: the fertilizer box bottom plate is provided with a fertilizer box deep layer fertilizer discharging groove matched with the deep layer fertilizer discharging device and a fertilizer box shallow layer fertilizer discharging groove matched with the shallow layer fertilizer discharging device, the top of the fertilizer box is provided with a fertilizer box cover, the fixed end of the oil cylinder is connected with the fertilizer box, and the plunger end of the oil cylinder is connected with the inner wall of the fertilizer box cover.

The deep-scarification fertilizing seedling belt rotary tillage precision seeder is characterized in that: the seeder includes seed metering device frame, sets up at the seed case at seed metering device frame top and sets up in seed metering device frame bottom and with the seed metering ware of seed case intercommunication, the output both sides of seed metering ware all are provided with the seed metering ware guard plate, and seed metering device frame front end is provided with the seed metering furrow opener, the transmission land roller is installed in seed metering device frame rear side, the transmission land roller includes the transmission land roller and rotates the seed metering derailleur pivoted transmission subassembly that converts the seed metering ware into with the transmission land roller, the output shaft of transmission land roller is connected with the seed metering derailleur transmission of seed metering ware, and seed metering device frame articulates the frame through the profile modeling and is connected with the frame.

The deep-scarification fertilizing seedling belt rotary tillage precision seeder is characterized in that: the shallow fertilizer mechanism comprises a shallow fertilizer conveying pipe and a shallow fertilizer discharging pipe arranged at the bottom of the shallow fertilizer conveying pipe, a shallow fertilizer baffle is arranged at the intersection position of the shallow fertilizer conveying pipe and the shallow fertilizer discharging pipe, the shallow fertilizer conveying pipe is connected with the deep fertilizer conveying pipe through a hoop, the deep fertilizer conveying pipe is communicated with the output end of the deep fertilizer distributor through a deep fertilizer guide pipe, and the shallow fertilizer conveying pipe is communicated with the shallow fertilizer distributor through a shallow fertilizer guide pipe.

The deep-scarification fertilizing seedling belt rotary tillage precision seeder is characterized in that: the subsoiler comprises a shovel body and a shovel head arranged at the bottom of the shovel body, and the shovel head is connected with the shovel body through a shovel head connecting piece;

the bottom of the deep fertilizer discharging pipe is provided with a deep fertilizer baffle;

the deep fertilizer discharging pipe is a deep fertilizer discharging inclined pipe, the bottom of the deep fertilizer discharging inclined pipe is of a forward-inclined structure, the deep fertilizer guide plate is arranged on the rear side wall of the deep fertilizer discharging pipe, and an acute included angle between the central axis of the deep fertilizer discharging inclined pipe and the horizontal plane is 45-70 degrees;

the fertilizer regulator is including setting up on deep defeated fertile pipe and deep fertile pipe intersection position department rear side inner wall and being used for connecting the regulating plate articulated elements of regulating plate and setting up the regulation pole locating part on deep fertile pipe rear side wall, is provided with on the regulation pole locating part and is used for adjusting the regulation pole of regulating plate aperture.

The deep-scarification fertilizing seedling belt rotary tillage precision seeder is characterized in that: the profile modeling depth limiting transmission press wheel is installed on the front side of the rack, the profile modeling depth limiting transmission press wheel comprises a fixed support installed on the rack, a press wheel mechanism connected with the fixed support and a transmission mechanism connected with the press wheel mechanism, and a depth limiting mechanism arranged between the fixed support and the press wheel mechanism and used for limiting the sowing depth, the press wheel mechanism comprises a press wheel support rotatably installed on the fixed support, a press wheel shaft installed on the press wheel support and a press wheel fixedly installed on the press wheel shaft, the transmission mechanism comprises a transmission shaft installed at one end of the press wheel shaft, an input shaft connected with the transmission shaft and an output shaft connected with the input shaft through a sprocket transmission assembly, the input shaft and the output shaft are all arranged on the fixed support in a penetrating way, and the sprocket transmission assembly is located inside the fixed support, the axis of input shaft the axis of output shaft with the axis homogeneous phase of suppression wheel axle is parallel, depth-limiting mechanism is including installing the fixed bolster with direction subassembly and spacing subassembly between the press wheel support, the direction subassembly includes fixed mounting and be in upper bracket and fixed mounting on the fixed bolster are in the last undersetting of press wheel support, and install the upper bracket with guide bar and suit between the undersetting are in compression spring on the guide bar, spacing subassembly is including installing fixing base on the fixed bolster, installing adjustable gag lever post on the fixing base and installing on the press wheel support and with adjustable gag lever post matched with stopper.

The deep-scarification fertilizing seedling belt rotary tillage precision seeder is characterized in that: the input shaft is a hexagonal shaft, a shaft sleeve and two sleeves are sleeved on the input shaft, the shaft sleeve is positioned in the fixed support, the two sleeves are respectively arranged on two sides of the shaft sleeve and penetrate through the fixed support, a sealing plate is fixedly arranged at one end of each sleeve, and hexagonal holes matched with the hexagonal shaft are formed in the center of each sealing plate and the center of each shaft sleeve;

the press wheel bracket comprises two connecting plates which are arranged in parallel and are respectively arranged at two ends of the press wheel shaft and a connecting rod which is horizontally arranged between the two connecting plates, one end of each connecting plate is rotatably connected with the press wheel shaft, and the other end of each connecting plate is rotatably connected with the sleeve;

the upper support comprises two side plates which are arranged on the fixed support in parallel and a limiting installation block which is rotatably arranged between the two side plates, and a guide rod through hole is formed in the limiting installation block;

the lower support and the limiting block are both arranged on the connecting rod, the lower support comprises two lug plates symmetrically arranged on the connecting rod, the bottom end of the guide rod is connected with the two lug plates through a hinge shaft, and the top end of the guide rod penetrates through the guide rod through hole;

the guide rod is a threaded rod, a first limiting nut and a second limiting nut are respectively mounted at two ends of the threaded rod, the pressure spring is sleeved on a rod section between the limiting mounting block and the first limiting nut, and a damping spring is sleeved on a rod section between the limiting mounting block and the second limiting nut;

the chain wheel transmission assembly comprises a driving chain wheel arranged on the shaft sleeve and a driven chain wheel arranged on the output shaft, and the driving chain wheel is connected with the driven chain wheel through a chain;

the fixing support is provided with a mounting plate fixedly connected with the rack, and the fixing seat is mounted on the mounting plate.

The deep-scarification fertilizing seedling belt rotary tillage precision seeder is characterized in that: the output shaft is in transmission connection with the rotating shaft of the deep fertilizer apparatus through the fertilizer transmission shaft, and the rotating shaft of the deep fertilizer apparatus is in transmission connection with the rotating shaft of the shallow fertilizer apparatus through the transmission gear set.

The deep-scarification fertilizing seedling belt rotary tillage precision seeder is characterized in that: the deep fertilizer distributor and the shallow fertilizer distributor are both driven by a motor.

Compared with the prior art, the utility model has the following advantage:

1. the utility model is provided with the deep scarification shovel to deeply loosen the soil, which can break the plough bottom layer and increase the air permeability of the soil and the water and fertilizer storage capacity; the deep fertilizing mechanism is arranged on the rear side of the subsoiling shovel, so that a fertilizer regulator can be regulated according to the root characteristics of deep-rooted crops before cultivation, the fertilizer output capacity of each deep fertilizer output port is further regulated, the fertilizer output amount at a later stage meets the fertilizer requirement of the sown crops, the deep fertilizing mechanism applies fertilizers in time in soil after subsoiling of the subsoiling shovel, fertilizers required by the deep-rooted crops at different growth periods are applied to different soil layers at one time, a good environment is provided for the growth of the deep-rooted crops, one-time fertilization is realized, later-stage topdressing is not needed, and seedling burning is avoided; the rear side of the deep layer fertilizing mechanism is provided with the shallow layer fertilizing mechanism, the fertilizer amount required by shallow layer fertilization in the germination period is met, and the height of the shallow layer fertilizing mechanism is adjustable, so that the deep layer fertilizing mechanism is convenient to popularize and use.

2. The utility model discloses a set up preceding straw duster of shovel in dark pine multilayer fertilization shovel assembly front side, can realize clearing up the straw before dark pine, set up seedbed rotary cultivator in dark pine multilayer fertilization shovel assembly rear side, can rotary tillage play a seedling area of seeding after dark pine, improve maize seeding depth uniformity, realize that the seedling is neat easily, the seedling is strong, the seedling is even, thereby improve maize output, can directly return the field with surplus straw through the rotary tillage, can improve the fertility of soil, promote the growth and development of maize, maize planting ditch straw stubble is few; on the other hand, the cultivation efficiency is high, the planting links are reduced, the corn planting cost is saved, the straw burning is effectively avoided, the agricultural ecological environment is protected, the agricultural sustainable development is promoted, and the cultivation effect is good.

3. The utility model relates to a novelty is reasonable, realizes before ploughing straw clearance, dark pine, growth phase reserve fertilizer layering fertilization, the seeding operation of the period shallow layer fertilization that sprouts, kind row rotary tillage, ditching, precision seeding, earthing suppression once only completion, and it is convenient to adjust during the use, accords with peasant's planting requirement, convenient to popularize and use.

To sum up, the utility model has novel and reasonable design, can realize clearing up the straw before the subsoiling, can apply the required fertilizer of different growth periods of crops into different soil layers at one time while the subsoiling, provide a good environment for the crops to grow, realize once fertilization, need not the later stage topdressing, reduce the labour on the one hand, can improve the utilization ratio of the chemical fertilizer, can rotary tillage a seeding seedling zone after the subsoiling, improve the seeding depth uniformity of the crops, realize that the seedling is neat easily, the seedling is strong, the seedling is even, thus improve the crop output, can return the surplus straw directly to the field through the rotary tillage, can improve the fertility of the soil, promote the growth and development of the crops, the crop planting ditch straw stubble is few; on the other hand, the cultivation efficiency is high, the planting links are reduced, the crop planting cost is saved, the straw burning is effectively avoided, the agricultural ecological environment is protected, the agricultural sustainable development is promoted, and the popularization and the use are convenient.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 3 is the schematic structural diagram of the profiling depth-limiting transmission press wheel of the present invention.

Fig. 4 is a schematic view of the connection relationship between the fixing bracket, the press wheel mechanism and the transmission mechanism of the present invention.

Fig. 5 is a schematic structural view of the deep scarification multi-layer fertilization shovel assembly of the utility model.

Fig. 6 is a left side view of fig. 5.

Fig. 7 is a top view of fig. 5.

Description of reference numerals:

1-profiling depth-limiting transmission press wheel; 1-press wheel;

1-2-pressing the wheel shaft; 1-3-a transmission shaft;

1-4-fixed support; 1-5-sleeve; 1-6-connecting plate;

1-7-connecting rod; 1-8-input shaft; 1-9-shaft sleeve;

1-10 — drive sprocket; 1-11-output shaft; 1-12-driven sprocket;

1-13-chain; 1-14-ear plate; 1-15-side plate;

1-16-limit mounting block; 1-17-guide bar; 1-18-pressure spring;

1-19-damping spring; 1-20-a first limit nut; 1-21-a second stop nut;

1-22-a mounting plate; 1-23-fixed seat; 1-24-adjustable limiting rod;

1-25-a limiting block; 2-deep scarification of a multi-layer fertilization shovel assembly;

2-1-shovel body; 2-shovel head; 2-3-shovel head connector;

2-4-deep layer fertilizer conveying pipe; 2-5-deep fertilizer discharging pipe; 2-6-deep layer fertilizer baffle;

2-7-deep layer fertilizer guide plate; 2-8-deep layer fertilizer outlet; 2-9-adjusting plate;

2-10-adjusting plate hinge; 2-11-adjusting rod limit piece; 2-12-adjusting rod;

2-13-shallow fertilizer conveying pipe; 2-14-anchor ear; 2-15-shallow fertilizer baffle;

2-16-shallow fertilizer discharging pipe; 4, a frame; 5, a suspension bracket;

6-a straw cleaner in front of the shovel; 7-a seedbed rotary cultivator; 8-double output shaft gear box;

9-chemical fertilizer box; 10-chemical fertilizer tank cover; 11-oil cylinder;

12-deep fertilizer discharging groove of fertilizer box; 13-a shallow fertilizer discharging groove of the fertilizer box;

14-deep fertilizer apparatus; 15-shallow fertilizer apparatus; 16-deep fertilizer conduit;

17-shallow fertilizer conduit; 18-seed box; 19-a seed sowing device;

20-a seed sowing device protection plate; 21-a seed sowing furrow opener; 22-a pedal;

23-a profile modeling hanging rack; 24-a seeding device frame; 25-a seed sowing transmission;

26-driving press wheel; 27-fertilizer-discharging transmission shaft.

Detailed Description

Example 1

As shown in fig. 1 and fig. 5-fig. 7, the utility model comprises a frame 4, a double output shaft gearbox 8 arranged on the frame 4 and connected with the output shaft of the tractor, and a seeder and a transmission roller connected at the rear end of the frame 4, wherein a front-shovel straw cleaner 6, a subsoiling multilayer fertilization shovel assembly 2 and a seedbed rotary cultivator 7 are sequentially arranged at the lower side of the frame 4, the front-shovel straw cleaner 6 and the seedbed rotary cultivator 7 are both in transmission connection with the double output shaft gearbox 8, and a fertilizer box 9 is arranged at the upper side of the frame 4;

the deep-loosening multi-layer fertilizing shovel assembly 2 comprises a deep-loosening shovel, a deep-layer fertilizing mechanism arranged on the rear side of the deep-loosening shovel and a shallow-layer fertilizing mechanism arranged on the rear side of the deep-layer fertilizing mechanism, wherein the deep-layer fertilizing mechanism comprises a deep-layer fertilizer conveying pipe 2-4 and a deep-layer fertilizer outlet pipe 2-5 communicated with the bottom of the deep-layer fertilizer conveying pipe 2-4, a fertilizer regulator is arranged at the intersection position of the deep-layer fertilizer conveying pipe 2-4 and the deep-layer fertilizer outlet pipe 2-5, a plurality of deep-layer fertilizer guide plates 2-7 for fertilizing soil bodies of different depth layers are arranged in the height direction of the deep-layer fertilizer outlet pipe 2-5, and a deep-layer fertilizer outlet 2-8 is formed in the upper side of the position of the deep-layer fertilizer outlet pipe 2-5 where each deep-layer fertilizer guide plate 2-7 is located;

the bottom of the fertilizer box 9 is provided with a deep fertilizer apparatus 14 matched with the deep fertilizer pipes 2-4 and a shallow fertilizer apparatus 15 matched with the shallow fertilizer mechanism.

In this embodiment, the deep fertilizer apparatus 14 and the shallow fertilizer apparatus 15 are driven by a motor.

The deep soil can break the plough bottom layer by arranging the deep loosening shovel to deeply loosen the soil, so that the air permeability of the soil and the water and fertilizer storage capacity are improved; the fertilizer regulator can be regulated according to the root characteristics of deep-rooted crops before cultivation by arranging the deep layer fertilizing mechanism at the rear side of the deep scarification shovel, and further the fertilizer output capacity of each deep layer fertilizer output port is regulated, so that the fertilizer output capacity at the later stage meets the fertilizer requirement of the sowed crops, wherein fertilizer is introduced into the deep layer fertilizer conveying pipe 2-4, buffered by the deep layer fertilizer conveying pipe 2-5 and falls onto a plurality of deep layer fertilizer guide plates 2-7, and finally discharged from a plurality of deep layer fertilizer output ports 2-8, the plurality of deep layer fertilizer guide plates 2-7 are arranged along the height direction of the deep layer fertilizer conveying pipe 2-5, so that the fertilization of different levels of soil is realized, the deep layer fertilizing mechanism fertilizes the soil after the deep scarification by the deep scarification shovel in time, fertilizers required by the deep-rooted crops in different growth periods are fertilized into different soil layers at one time, and a good environment is provided for the growth of the deep-rooted crops, the one-time fertilization is realized, the late-stage additional fertilization is not needed, and the seedling burning is avoided; the rear side of the deep layer fertilizing mechanism is provided with the shallow layer fertilizing mechanism, so that the fertilizer amount required by shallow layer fertilization in a germination period is met, and the height of the shallow layer fertilizing mechanism is adjustable; the front side of the deep-loosening multilayer fertilization shovel assembly is provided with the shovel front straw cleaner, so that straws can be cleaned before deep loosening, the rear side of the deep-loosening multilayer fertilization shovel assembly is provided with the seedbed rotary cultivator, a sowed seedling belt can be obtained through rotary tillage after deep loosening, the sowing depth consistency of crops is improved, uniform seedlings, strong seedlings and uniform seedlings are easy to realize, the crop yield is improved, the residual straws can be directly returned to the field through rotary tillage, the fertility of soil can be improved, the growth and development of crops are promoted, and the crop planting ditches are few in straw stubbles; on the other hand, the cultivation efficiency is high, the planting links are reduced, the crop planting cost is saved, the straw burning is effectively avoided, the agricultural ecological environment is protected, the agricultural sustainable development is promoted, and the cultivation effect is good; the seeding operation of straw cleaning before plowing, deep scarification, fertilizer layered fertilization of a reserved fertilizer in a growing period, shallow fertilization in a germination period, seed row rotary tillage, ditching, precision seeding and soil covering and pressing can be completed at one time, the adjustment is convenient during use, and the requirements of farmers on planting are met.

In this embodiment, a suspension bracket 5 connected with the tractor body is arranged on the frame 4, a pedal 22 for an operator to stand is further arranged on the frame 4, and a ladder is arranged at the edge of the pedal 22.

In this embodiment, offer on the bottom plate of chemical fertilizer box 9 with the fertile groove 12 of the deep fertile fertilizer distributor 14 complex of deep case and with the fertile groove 13 of the shallow fertile fertilizer distributor 15 complex of shallow case, chemical fertilizer box 9 top is provided with chemical fertilizer box lid 10, and the stiff end and the chemical fertilizer box 9 of hydro-cylinder 11 are connected, and the plunger end and the 10 inner wall connections of chemical fertilizer box lid of hydro-cylinder 11.

In this embodiment, the seeder includes seed metering device frame 24, sets up seed box 18 at seed metering device frame 24 top and sets up seed metering device 19 in seed metering device frame 24 bottom and with seed box 18 intercommunication, and seed metering device 19's output both sides all are provided with seed metering device guard plate 20, and seed metering device frame 24 front end is provided with seed metering furrow opener 21, the transmission roller is installed in seed metering device frame 24 rear side, the transmission roller includes transmission roller 26 and rotates the seed metering derailleur 25 pivoted transmission assembly who converts the transmission roller 26 into seed metering device 19, the output shaft of transmission roller is connected with seed metering derailleur 25 transmission of seed metering device 19, and seed metering device frame 24 is connected with frame 4 through profile modeling frame 23.

The deep layer fertilizer distributor 14 and the shallow layer fertilizer distributor 15 adopt a 12V direct current motor independent transmission mode for transmission, so that the transmission resistance is reduced, and the seed sowing performance and the reliability are enhanced; secondly, the seedbed is screwed out through the seedbed rotary cultivator 7, the residual straws are directly returned to the field, the depth of deep scarification is 30cm, the sowing depth is 4-8cm, the row spacing is 60-70cm, the center of the deep scarification shovel is coincided with the center of the seedling belt, the seeding dibbler 21 changes the seeding hole spacing by changing the speed change gear of the seeding device 19 in the seeding transmission 25, the plant spacing can be conveniently adjusted in a certain range, the seeding device 19 completes sowing under the driving of the transmission press wheel 26, and the transmission press wheel 26 is used for pressing after the sowing is completed, so that the sowing operation is completed.

In the embodiment, the shallow fertilizing mechanism comprises shallow fertilizer conveying pipes 2-13 and shallow fertilizer discharging pipes 2-16 arranged at the bottoms of the shallow fertilizer conveying pipes 2-13, shallow fertilizer baffles 2-15 are arranged at the intersection positions of the shallow fertilizer conveying pipes 2-13 and the shallow fertilizer discharging pipes 2-16, the shallow fertilizer conveying pipes 2-13 are connected with the deep fertilizer conveying pipes 2-4 through anchor ears 2-14, the deep fertilizer conveying pipes 2-4 are communicated with the output ends of the deep fertilizer dischargers 14 through deep fertilizer guide pipes 16, and the shallow fertilizer conveying pipes 2-13 are communicated with the shallow fertilizer dischargers 15 through shallow fertilizer guide pipes 17.

In actual use, fertilizer is introduced into the shallow fertilizer conveying pipes 2-13, is buffered by the shallow fertilizer baffles 2-15, and is discharged from the shallow fertilizer outlet pipes 2-16, the shallow fertilizer conveying pipes 2-13 are connected with the deep fertilizer conveying pipes 2-4 through the anchor ears 2-14, and the anchor ears 2-14 can adjust the installation height of the shallow fertilizer conveying pipes 2-13 on the deep fertilizer conveying pipes 2-4.

In the embodiment, the subsoiler comprises a shovel body 2-1 and a shovel head 2-2 arranged at the bottom of the shovel body 2-1, wherein the shovel head 2-2 is connected with the shovel body 2-1 through a shovel head connecting piece 2-3;

the bottom of the deep fertilizer discharging pipe 2-5 is provided with a deep fertilizer baffle 2-6;

in actual use, the deep fertilizer baffle 2-6 is arranged at the bottom of the deep fertilizer discharging pipe 2-5, so that the phenomenon that excessive fertilizer slips out of the bottom of the deep fertilizer discharging pipe 2-5 to cause overlarge deep fertilizer amount and later-stage seedling burning is avoided.

The deep fertilizer outlet pipe 2-5 is a deep fertilizer outlet inclined pipe, the bottom of the deep fertilizer outlet inclined pipe is of a forward-inclined structure, the deep fertilizer guide plate 2-7 is arranged on the rear side wall of the deep fertilizer outlet pipe 2-5, and an acute included angle between the central axis of the deep fertilizer outlet inclined pipe and the horizontal plane is 45-70 degrees;

it should be noted that the deep fertilizer discharging pipes 2-5 are deep fertilizer discharging inclined pipes, and the acute angle included angle between the central axis of each deep fertilizer discharging inclined pipe and the horizontal plane is 45-70 degrees, which is convenient for buffering and discharging fertilizer, and when the acute angle included angle between the central axis of each deep fertilizer discharging inclined pipe and the horizontal plane is less than 45 degrees, the deep fertilizer discharging inclined pipes are too gentle, which is not beneficial to fertilizer conveying, easily causes fertilizer accumulation, and further plugs the deep fertilizer discharging inclined pipes; when the acute angle included angle between the central axis of the deep fertilizer outlet inclined pipe and the horizontal plane is larger than 70 degrees, the deep fertilizer outlet inclined pipe is too straight and steep, fertilizer is not discharged, the fertilizer is also accumulated, and the guiding effect of the deep fertilizer guide plate 2-7 is difficult to realize.

The fertilizer regulator comprises a regulating plate hinge element 2-10 which is arranged on the inner wall of the rear side of the intersection position of the deep fertilizer conveying pipe 2-4 and the deep fertilizer discharging pipe 2-5 and is used for connecting a regulating plate 2-9, and a regulating rod limiting piece 2-11 which is arranged on the rear side wall of the deep fertilizer discharging pipe 2-5, wherein a regulating rod 2-12 for regulating the opening degree of the regulating plate 2-9 is arranged on the regulating rod limiting piece 2-11.

It should be noted that the adjusting plate 2-9 and the adjusting plate hinge 2-10 are arranged on the inner wall of the rear side of the junction position of the deep fertilizer conveying pipe 2-4 and the deep fertilizer discharging pipe 2-5, and play a role of draining the fertilizer entering the deep fertilizer discharging pipe 2-5 so that the fertilizer can be discharged according to the root system characteristics of the deep root crops, the adjusting plate hinge 2-10 ensures that the adjusting plate 2-9 can freely change the angle, the adjusting rod 2-12 adjusts the extending length in the adjusting rod limiting part 2-11 to provide a supporting and positioning height fulcrum for the adjusting plate 2-9, and further determine the opening degree of the adjusting plate 2-9, when the root system characteristics of the deep root crops are that the root system is orderly flourishing from top to bottom, the adjusting rod 2-12 is extended into the deep fertilizer discharging pipe 2-5 for a longer length adjustment, and the opening degree of the adjusting plate 2-9 is reduced, the fertilization is sequentially increased from top to bottom; when the deep-rooted crops have the root system characteristics of luxuriant middle and sparse two ends, the length of the adjusting rod 2-12 extending into the deep fertilizer outlet pipe 2-5 is adjusted moderately, the opening degree of the adjusting plate 2-9 is increased, and the deep fertilizer guide plate 2-7 in the middle position outputs the most fertilizer; when the deep root system crop root system is characterized in that the root system is orderly flourished from bottom to top, the adjusting rod 2-12 is extended into the deep fertilizer outlet pipe 2-5 for a shorter length adjustment, the opening degree of the adjusting plate 2-9 is increased as much as possible, and the fertilizer application is gradually decreased from top to bottom.

Example 2

As shown in fig. 2 to 4, the difference between the embodiment and the embodiment is that a profiling depth-limiting transmission press wheel 1 is installed on the front side of a frame 4, the profiling depth-limiting transmission press wheel 1 includes a fixed bracket 1-4 installed on the frame 4, a press wheel mechanism connected with the fixed bracket 1-4, a transmission mechanism connected with the press wheel mechanism, and a depth-limiting mechanism arranged between the fixed bracket 1-4 and the press wheel mechanism and used for limiting the sowing depth, the press wheel mechanism includes a press wheel bracket rotatably installed on the fixed bracket 1-4, a press wheel shaft 1-2 installed on the press wheel bracket, and a press wheel 1-1 fixedly installed on the press wheel shaft 1-2, the transmission mechanism includes a transmission shaft 1-3 installed at one end of the press wheel shaft 1-2, a press wheel shaft 1-2, and a press wheel shaft 1-1, The depth-limiting mechanism comprises an input shaft 1-8 connected with the transmission shaft 1-3 and an output shaft 1-11 connected with the input shaft 1-8 through a chain wheel transmission assembly, the input shaft 1-8 and the output shaft 1-11 are arranged on the fixed support 1-4 in a penetrating mode, the chain wheel transmission assembly is located inside the fixed support 1-4, the axis of the input shaft 1-8, the axis of the output shaft 1-11 and the axis of the pressing wheel shaft 1-2 are parallel, the depth-limiting mechanism comprises a guide assembly and a limiting assembly which are arranged between the fixed support 1-4 and the pressing wheel support, the guide assembly comprises an upper support fixedly arranged on the fixed support 1-4, a lower support fixedly arranged on the pressing wheel support, guide rods 1-17 arranged between the upper support and the lower support, and guide rods 1-17 sleeved between the upper support and the lower support Pressure spring 1-18 on pole 1-17, spacing subassembly is including installing fixing base 1-23 on fixed bolster 1-4, install adjustable gag lever post 1-24 on fixing base 1-23 and install on the press wheel support and with adjustable gag lever post 1-24 matched with stopper 1-25.

It should be noted that, by arranging the fixed bracket 1-4 connected with the frame 4 and the press wheel mechanism connected with the fixed bracket 1-4, the press wheel mechanism comprises a press wheel bracket, a press wheel shaft 1-2 and a press wheel 1-1, when in actual use, the fixed bracket 1-4 can play a role of supporting the press wheel bracket and a role of connecting the rack 4 with the press wheel bracket, the press wheel bracket can play a role of supporting the press wheel shaft 1-2 and the press wheel 1-1, the press wheel shaft 1-2 can play a role of supporting the press wheel 1-1 and transmitting the rotary motion of the press wheel 1-1, because the press wheel bracket is rotatably arranged on the fixed bracket 1-4, in the process of pushing the press wheel 1-1 to rotate, the press wheel bracket deflects along with the up-and-down jumping of the press wheel 1-1.

It should be noted that, by arranging the transmission mechanism connected with the press wheel mechanism, in the process of pushing the press wheel 1-1 to rotate, the rotary motion of the press wheel 1-1 can be transmitted to the deep fertilizer apparatus 14 through the transmission mechanism, because the transmission mechanism comprises a transmission shaft 1-3, an input shaft 1-8 and an output shaft 1-11, one end of the transmission shaft 1-3 is arranged at one end of the pressing wheel shaft 1-2, the other end of the transmission shaft 1-3 is arranged at one end of the input shaft 1-8, the axes of the input shaft 1-8, the output shaft 1-11 and the pressing wheel shaft 1-2 are all parallel, and the axis of the transmission shaft 1-3 is vertical to the axis of the pressing wheel shaft 1-2, the transmission process of the pressing wheel 1-1 and the transmission mechanism is as follows: when the press wheel 1-1 rotates, the press wheel 1-1 drives the press wheel shaft 1-2 to rotate, the press wheel shaft 1-2 drives the transmission shaft 1-3 to rotate, and the input shaft 1-8 is in transmission connection with the output shaft 1-11 through the chain wheel transmission assembly, so that the input shaft 1-8 can drive the output shaft 1-11 to rotate, the transmission shaft 1-3 can be used for realizing the transmission between the press wheel shaft 1-2 and the input shaft 1-8, and the chain wheel transmission assembly can be used for realizing the transmission between the input shaft 1-8 and the output shaft 1-11, and the transmission is accurate and has good stability.

It should be noted that, a guiding assembly and a limiting assembly are arranged between the fixed support 1-4 and the press wheel mechanism, the guiding assembly and the limiting assembly are both arranged between the fixed support 1-4 and the press wheel support, the guiding assembly comprises an upper support and a lower support, the upper support is fixedly arranged on the fixed support 1-4, the lower support is fixedly arranged on the press wheel support, a guiding rod 1-17 is arranged between the upper support and the lower support, and a pressure spring 1-18 is sleeved on the guiding rod 1-17, when the press wheel support deflects upwards along with the press wheel 1-1, the guiding rod 1-17 can play a guiding role for the deflection of the press wheel support, and meanwhile, the pressure spring 1-18 is compressed along the length direction of the guiding rod 1-17, so as to play a damping role, can avoid the in-process of going up and down to beat of press wheel support to take place to twist reverse, can improve the deflection precision and the life of press wheel support.

It should be noted that, by arranging a limiting component between the fixed bracket 1-4 and the press wheel mechanism, the limiting component includes a fixed seat 1-23, an adjustable limiting rod 1-24 and a limiting block 1-25, the fixed seat 1-23 is installed on the fixed bracket 1-4, the adjustable limiting rod 1-24 is installed on the fixed seat 1-23, the limiting block 1-25 is installed on the press wheel bracket and is matched with the adjustable limiting rod 1-24, when in practical use, in the process that the press wheel bracket deflects upwards along with the press wheel 1-1, when the end of the adjustable limiting rod 1-24 collides with the limiting block 1-25, the press wheel bracket cannot continue to deflect upwards any more, that is, the maximum position of the press wheel bracket deflecting upwards is limited by the collision cooperation between the adjustable limiting rod 1-24 and the limiting block 1-25, afterwards, the pressure springs 1-18 tend to reset along the length direction of the guide rods 1-17, at the moment, under the combined action of the self gravity of the press wheel 1-1, the self gravity of the press wheel support and the elasticity of the pressure springs 1-18, the press wheel support deflects downwards along with the press wheel 1-1, and the guide assembly and the limiting assembly jointly form a depth limiting mechanism for limiting the sowing depth, so that the depth of each plowing can be limited.

It should be noted that the number of the limiting assemblies is two, and the two limiting assemblies are symmetrically arranged on two sides of the guide assembly, so that the depth limiting stability and accuracy can be improved.

In this embodiment, the input shaft 1-8 is a hexagonal shaft, the input shaft 1-8 is sleeved with two shaft sleeves 1-9 and two sleeves 1-5, the shaft sleeves 1-9 are located inside the fixed supports 1-4, the two sleeves 1-5 are respectively arranged on two sides of the shaft sleeves 1-9, the two sleeves 1-5 are arranged on the fixed supports 1-4 in a penetrating manner, one end of each sleeve 1-5 is fixedly provided with a sealing plate, and the centers of the sealing plates and the shaft sleeves 1-9 are both provided with hexagonal holes matched with the hexagonal shaft;

the pressing wheel support comprises two connecting plates 1-6 which are arranged in parallel and are respectively arranged at two ends of the pressing wheel shaft 1-2 and a connecting rod 1-7 which is horizontally arranged between the two connecting plates 1-6, one end of each connecting plate 1-6 is rotatably connected with the corresponding pressing wheel shaft 1-2, and the other end of each connecting plate 1-6 is rotatably connected with the corresponding sleeve 1-5;

it should be noted that, by sleeving two sleeves 1-5 on an input shaft 1-8, the two sleeves 1-5 are arranged on the fixed supports 1-4 in a penetrating manner, a sealing plate is fixedly installed at one end of each sleeve 1-5, a hexagonal hole is formed in the center of the sealing plate, the hexagonal shaft is arranged in the hexagonal hole in a penetrating manner, the two sleeves 1-5 can play a role of supporting the hexagonal shaft and can play a role of protecting the hexagonal shaft, and because one end of the connecting plate 1-6 is rotatably connected with the ballast wheel shaft 1-2 and the other end of the connecting plate 1-6 is rotatably connected with the sleeves 1-5, the two sleeves 1-5 can play a role of supporting the connecting plate 1-6, so that the ballast wheel support can deflect around the axes of the two sleeves 1-5, and the axes of the two sleeves 1-5 coincide with the axes of the hexagonal shaft, the ingenious installation relation between drive mechanism and the press wheel support can be realized.

The upper support comprises two side plates 1-15 which are parallelly arranged on the fixed support 1-4 and a limiting mounting block 1-16 which is rotatably arranged between the two side plates 1-15, and a guide rod through hole is formed in the limiting mounting block 1-16;

the lower support and the limiting blocks 1-25 are both arranged on the connecting rods 1-7, the lower support comprises two lug plates 1-14 symmetrically arranged on the connecting rods 1-7, the bottom ends of the guide rods 1-17 are connected with the two lug plates 1-14 through hinge shafts, and the top ends of the guide rods 1-17 penetrate through the guide rods and penetrate through the holes;

it should be noted that the limiting installation blocks 1-16 are rotatably installed between the two side plates 1-15, and the limiting installation blocks 1-16 are provided with guide rod through holes, during actual installation, the bottom ends of the guide rods 1-17 are connected with the two ear plates 1-14 through hinged shafts, and the top ends of the guide rods 1-17 penetrate through the guide rod through holes, so that in the process that the press wheel support deflects along with the press wheel 1-1 up and down, the bottom ends of the guide rods 1-17 rotate around the hinged shafts, the guide rods 1-17 tend to deflect, and on the premise that the limiting installation blocks 1-16 are rotatable, the guide rods 1-17 drive the limiting installation blocks 1-16 to rotate, thereby avoiding the phenomenon that the guide rods 1-17 are stuck or bent.

The guide rod 1-17 is a threaded rod, a first limiting nut 1-20 and a second limiting nut 1-21 are respectively mounted at two ends of the threaded rod, the pressure spring 1-18 is sleeved on a rod section between the limiting mounting block 1-16 and the first limiting nut 1-20, and a damping spring 1-19 is sleeved on a rod section between the limiting mounting block 1-16 and the second limiting nut 1-21;

it should be noted that, when the guide rod 1-17 is a threaded rod, and the two ends of the threaded rod are respectively provided with a first limit nut 1-20 and a second limit nut 1-21, after the guide rod 1-17 is inserted into the guide rod through hole, the guide rod 1-17 is divided into two rod sections by the first limit nut 1-20, the limit mounting block 1-16 and the second limit nut 1-21 along the length direction, the compression state of the pressure spring 1-18 can be changed by sleeving the pressure spring 1-18 on the rod section between the limit mounting block 1-16 and the first limit nut 1-20, so as to change the reset elastic force of the pressure spring 1-18, and the damping spring 1-19 is sleeved on the rod section between the limit mounting block 1-16 and the second limit nut 1-21, the use of the damping springs 1-19 enhances the damping of the guide assembly.

The chain wheel transmission assembly comprises driving chain wheels 1-10 arranged on the shaft sleeves 1-9 and driven chain wheels 1-12 arranged on the output shafts 1-11, and the driving chain wheels 1-10 are connected with the driven chain wheels 1-12 through chains 1-13;

it should be noted that, through sleeving the shaft sleeves 1-9 on the input shafts 1-8, the driving sprockets 1-10 are installed on the shaft sleeves 1-9, because the input shafts 1-8 are hexagonal shafts, only the centers of the shaft sleeves 1-9 need to be provided with hexagonal holes, the purpose of transmitting the rotation of the input shafts 1-8 can be achieved through the matching between the input shafts 1-8 and the hexagonal holes, so that the input shafts 1-8, the shaft sleeves 1-9 and the driving sprockets 1-10 can realize the simultaneous rotation, if the driving sprockets 1-10 are directly installed on the hexagonal shafts, the driving sprockets 1-10 matched with the hexagonal shafts need to be processed, and the processing cost of the driving sprockets 1-10 far exceeds that of the shaft sleeves 1-9; when the shaft sleeves 1-9 are positioned inside the fixed supports 1-4, the driving chain wheels 1-10 are arranged on the shaft sleeves 1-9, the driven chain wheels 1-12 are arranged on the output shafts 1-11, and the driving chain wheels 1-10 are connected with the driven chain wheels 1-12 through the chains 1-13, so that the chain wheel transmission assembly can be positioned inside the fixed supports 1-4, the fixed supports 1-4 can play a role in supporting and protecting the chain wheel transmission assembly, and the operation safety of the chain wheel transmission assembly can be improved.

The fixing support 1-4 is provided with a mounting plate 1-22 fixedly connected with the frame 4, and the fixing seat 1-23 is mounted on the mounting plate 1-22.

During the in-service use, be connected deep fertile fertilizer distributor 14 with output shaft 1-11 transmission, can realize promptly transmitting the rotational motion of press wheel 1-1 for the purpose of deep fertile fertilizer distributor 14, simultaneously, carry out the in-process of earthing at press wheel 1-1, utilize depth-limiting mechanism can inject the depth of planting of seed, can improve the rate of emergence of sowing, excellent in use effect.

In this embodiment, the output shafts 1 to 11 are in transmission connection with the rotating shaft of the deep fertilizer apparatus 14 through the fertilizer transmission shaft 27, and the rotating shaft of the deep fertilizer apparatus 14 is in transmission connection with the rotating shaft of the shallow fertilizer apparatus 15 through the transmission gear set.

It should be noted that the profiling depth-limiting transmission press wheel 1 is combined with the transmission press wheel 26 to realize profiling depth limitation of the whole seeder.

The utility model discloses during the implementation, can realize clearing up the straw before the subsoiling, can once only apply into different soil layers with the required fertilizer of crops different growth periods when the subsoiling, provide a good environment for crops growth, realize once fertilization, need not the later stage topdressing, reduce the labour on the one hand, can improve the chemical fertilizer utilization ratio, can put out a seedling area of seeding after the subsoiling in a rotary tillage, improve crops seeding depth uniformity, realize easily that the seedling is neat, the seedling is strong, the seedling is even, thereby improve crops output, can directly return remaining straw to the field through the rotary tillage, can improve the fertility of soil, promote crops's growth and development, crops planting ditch straw stubble is few; on the other hand, the cultivation efficiency is high, the planting links are reduced, the crop planting cost is saved, the straw burning is effectively avoided, the agricultural ecological environment is protected, and the agricultural sustainable development is promoted.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.

Claims (10)

1. Deep scarification fertilization seedling belt rotary tillage precision planter is characterized in that: the multifunctional deep-loosening multi-layer fertilization shovel comprises a rack (4), a double-output-shaft gearbox (8) which is arranged on the rack (4) and connected with an output shaft of a tractor, and a seeder and a transmission roller which are connected to the rear end of the rack (4), wherein a front-shovel straw cleaner (6), a deep-loosening multi-layer fertilization shovel assembly (2) and a seedbed rotary cultivator (7) are sequentially arranged on the lower side of the rack (4), the front-shovel straw cleaner (6) and the seedbed rotary cultivator (7) are in transmission connection with the double-output-shaft gearbox (8), and a chemical fertilizer box (9) is arranged on the upper side of the rack (4);

the deep-loosening multilayer fertilization shovel assembly (2) comprises a deep loosening shovel, a deep fertilization mechanism arranged on the rear side of the deep loosening shovel and a shallow fertilization mechanism arranged on the rear side of the deep fertilization mechanism, wherein the deep fertilization mechanism comprises a deep fertilizer conveying pipe (2-4) and a deep fertilizer discharging pipe (2-5) communicated with the bottom of the deep fertilizer conveying pipe (2-4), a fertilizer regulator is arranged at the intersection position of the deep fertilizer conveying pipe (2-4) and the deep fertilizer discharging pipe (2-5), a plurality of deep fertilizer guide plates (2-7) for fertilizing soil bodies at different depths are arranged in the height direction of the deep fertilizer discharging pipe (2-5), and a deep fertilizer outlet (2-8) is formed in the upper side of the position of the deep fertilizer discharging pipe (2-5) where each deep fertilizer guide plate (2-7) is located;

the bottom of the fertilizer box (9) is provided with a deep fertilizer discharger (14) matched with the deep fertilizer conveying pipe (2-4) and a shallow fertilizer discharger (15) matched with the shallow fertilizer mechanism.

2. The deep scarification and fertilization seedling belt rotary tillage precision seeder according to claim 1, characterized in that: the tractor is characterized in that a suspension bracket (5) connected with the tractor body is arranged on the frame (4), a pedal (22) for an operator to stand is further arranged on the frame (4), and a man ladder is arranged at the edge of the pedal (22).

3. The deep scarification and fertilization seedling belt rotary tillage precision seeder according to claim 1, characterized in that: offer on chemical fertilizer case (9) the bottom plate with deep fertile fertilizer apparatus (14) complex fertile case deep fertile fertilizer groove (12) and with shallow fertile fertilizer apparatus (15) complex fertile case shallow fertile fertilizer groove (13), chemical fertilizer case (9) top is provided with chemical fertilizer case lid (10), and the stiff end and the chemical fertilizer case (9) of hydro-cylinder (11) are connected, and the plunger end and the chemical fertilizer case lid (10) inner wall connection of hydro-cylinder (11).

4. The deep scarification and fertilization seedling belt rotary tillage precision seeder according to claim 1, characterized in that: the seeder includes seed metering device frame (24), sets up seed case (18) at seed metering device frame (24) top and set up seed metering ware (19) in seed metering device frame (24) bottom and with seed case (18) intercommunication, and the output both sides of seed metering ware (19) all are provided with seed metering ware guard plate (20), and seed metering device frame (24) front end is provided with seed metering furrow opener (21), the transmission roller is installed in seed metering device frame (24) rear side, the transmission roller includes transmission roller (26) and rotates seed metering derailleur (25) pivoted drive assembly who converts transmission roller (26) into seed metering ware (19), the output shaft of transmission roller is connected with seed metering derailleur (25) transmission of seed metering ware (19), and seed metering device frame (24) are connected with frame (4) through profile modeling articulate frame (23).

5. The deep scarification and fertilization seedling belt rotary tillage precision seeder according to claim 1, characterized in that: the shallow layer fertilizing mechanism comprises a shallow layer fertilizer conveying pipe (2-13) and a shallow layer fertilizer outlet pipe (2-16) arranged at the bottom of the shallow layer fertilizer conveying pipe (2-13), a shallow layer fertilizer baffle plate (2-15) is arranged at the intersection position of the shallow layer fertilizer conveying pipe (2-13) and the shallow layer fertilizer outlet pipe (2-16), the shallow layer fertilizer conveying pipe (2-13) is connected with the deep layer fertilizer conveying pipe (2-4) through a hoop (2-14), the deep layer fertilizer conveying pipe (2-4) is communicated with the output end of the deep layer fertilizer distributor (14) through a deep layer fertilizer guide pipe (16), and the shallow layer fertilizer conveying pipe (2-13) is communicated with the shallow layer fertilizer distributor (15) through a shallow layer fertilizer guide pipe (17).

6. The deep scarification and fertilization seedling belt rotary tillage precision seeder according to claim 1, characterized in that: the subsoiler comprises a shovel body (2-1) and a shovel head (2-2) arranged at the bottom of the shovel body (2-1), wherein the shovel head (2-2) is connected with the shovel body (2-1) through a shovel head connecting piece (2-3);

the bottom of the deep fertilizer discharging pipe (2-5) is provided with a deep fertilizer baffle (2-6);

the deep fertilizer discharging pipe (2-5) is a deep fertilizer discharging inclined pipe, the bottom of the deep fertilizer discharging inclined pipe is of a forward-inclined structure, a deep fertilizer guide plate (2-7) is arranged on the rear side wall of the deep fertilizer discharging pipe (2-5), and an acute included angle between the central axis of the deep fertilizer discharging inclined pipe and the horizontal plane is 45-70 degrees;

the fertilizer regulator comprises a regulating plate hinge member (2-10) which is arranged on the inner wall of the rear side of the intersection position of the deep fertilizer conveying pipe (2-4) and the deep fertilizer discharging pipe (2-5) and is used for connecting a regulating plate (2-9), and a regulating rod limiting member (2-11) which is arranged on the rear side wall of the deep fertilizer discharging pipe (2-5), wherein a regulating rod (2-12) for regulating the opening degree of the regulating plate (2-9) is arranged on the regulating rod limiting member (2-11).

7. The deep scarification and fertilization seedling belt rotary tillage precision seeder according to claim 1, characterized in that: profile modeling limit for depth transmission press wheel (1) is installed to frame (4) front side, profile modeling limit for depth transmission press wheel (1) including install fixed bolster (1-4) in frame (4), with press wheel mechanism that fixed bolster (1-4) are connected and with the drive mechanism that press wheel mechanism is connected to and set up fixed bolster (1-4) and the limit for depth mechanism that is used for injecing the seeding degree of depth between the press wheel mechanism, press wheel mechanism including rotate install press wheel support on fixed bolster (1-4), install press wheel axle (1-2) and fixed mounting on the press wheel support press wheel axle (1-1) on (1-2), drive mechanism is including installing drive shaft (1-3) of press wheel axle (1-2) one end, The depth limiting mechanism comprises an input shaft (1-8) connected with the transmission shaft (1-3) and an output shaft (1-11) connected with the input shaft (1-8) through a chain wheel transmission assembly, the input shaft (1-8) and the output shaft (1-11) are arranged on the fixed support (1-4) in a penetrating mode, the chain wheel transmission assembly is located inside the fixed support (1-4), the axis of the input shaft (1-8), the axis of the output shaft (1-11) and the axis of the ballast wheel shaft (1-2) are parallel, the depth limiting mechanism comprises a guide assembly and a limiting assembly which are arranged between the fixed support (1-4) and the ballast wheel support, the guide assembly comprises an upper support fixedly arranged on the fixed support (1-4) and a lower support fixedly arranged on the ballast wheel support, and install guide bar (1-17) between the upper bracket with the undersetting and suit are in pressure spring (1-18) on guide bar (1-17), spacing subassembly is including installing fixing base (1-23) on fixed bolster (1-4), installing adjustable gag lever post (1-24) on fixing base (1-23) and installing on the press wheel support and with adjustable gag lever post (1-24) matched with stopper (1-25).

8. The deep scarification and fertilization seedling belt rotary tillage precision seeding machine as claimed in claim 7, characterized in that: the input shaft (1-8) is a hexagonal shaft, the input shaft (1-8) is sleeved with two shaft sleeves (1-9) and two sleeves (1-5), the shaft sleeves (1-9) are located inside the fixed support (1-4), the two sleeves (1-5) are respectively arranged on two sides of the shaft sleeves (1-9), the two sleeves (1-5) penetrate through the fixed support (1-4), one end of each sleeve (1-5) is fixedly provided with a sealing plate, and the centers of the sealing plates and the shaft sleeves (1-9) are respectively provided with a hexagonal hole matched with the hexagonal shaft;

the pressing wheel support comprises two connecting plates (1-6) which are arranged in parallel and are respectively arranged at two ends of a pressing wheel shaft (1-2) and connecting rods (1-7) which are horizontally arranged between the two connecting plates (1-6), one end of each connecting plate (1-6) is rotatably connected with the corresponding pressing wheel shaft (1-2), and the other end of each connecting plate (1-6) is rotatably connected with a sleeve (1-5);

the upper support comprises two side plates (1-15) which are arranged on the fixed support (1-4) in parallel and a limiting mounting block (1-16) which is rotatably arranged between the two side plates (1-15), and a guide rod penetrating hole is formed in the limiting mounting block (1-16);

the lower support and the limiting blocks (1-25) are both arranged on the connecting rods (1-7), the lower support comprises two lug plates (1-14) symmetrically arranged on the connecting rods (1-7), the bottom ends of the guide rods (1-17) are connected with the two lug plates (1-14) through hinge shafts, and the top ends of the guide rods (1-17) penetrate through the guide rod through holes;

the guide rod (1-17) is a threaded rod, a first limiting nut (1-20) and a second limiting nut (1-21) are respectively mounted at two ends of the threaded rod, the pressure spring (1-18) is sleeved on a rod section between the limiting mounting block (1-16) and the first limiting nut (1-20), and a damping spring (1-19) is sleeved on a rod section between the limiting mounting block (1-16) and the second limiting nut (1-21);

the chain wheel transmission assembly comprises driving chain wheels (1-10) arranged on the shaft sleeves (1-9) and driven chain wheels (1-12) arranged on the output shafts (1-11), and the driving chain wheels (1-10) are connected with the driven chain wheels (1-12) through chains (1-13);

the fixing support (1-4) is provided with a mounting plate (1-22) fixedly connected with the rack (4), and the fixing seat (1-23) is mounted on the mounting plate (1-22).

9. The deep scarification and fertilization seedling belt rotary tillage precision seeder according to claim 8, characterized in that: the output shafts (1-11) are in transmission connection with a rotating shaft of the deep fertilizer apparatus (14) through a fertilizer transmission shaft (27), and the rotating shaft of the deep fertilizer apparatus (14) is in transmission connection with a rotating shaft of the shallow fertilizer apparatus (15) through a transmission gear set.

10. The deep scarification and fertilization seedling belt rotary tillage precision seeder according to claim 1, characterized in that: the deep fertilizer applicator (14) and the shallow fertilizer applicator (15) are driven by a motor.

Images