CN220935532U - No-tillage fertilizing and seeding machine - Google Patents

Abstract

The utility model relates to the technical field of crop seeders and discloses a no-tillage fertilizing and seeding machine, which comprises a main frame, a fertilizer mechanism, a first transmission shaft, a second transmission shaft, a third transmission shaft and a fourth transmission shaft, wherein a plurality of chemical fertilizer openers, a ridge cleaning device and a seeding device are arranged on the main frame along the length direction of the main frame, and the chemical fertilizer openers, the ridge cleaning device and the seeding device are sequentially arranged along the travelling direction of the seeding machine and are in one-to-one correspondence; the main frame is provided with a first mounting seat and a second mounting seat along the length direction of the main frame, the first mounting seat and the second mounting seat are respectively provided with a first driving wheel and a second driving wheel, the first transmission shaft is respectively in rotary connection with the first mounting seat and the second mounting seat, and wheel shafts of the first driving wheel and the second driving wheel are in transmission connection with the first transmission shaft; the utility model provides a no-tillage fertilizing and seeding machine, which solves the problems of low working efficiency and poor seeding effect of the existing seeding machine.

Description

No-tillage fertilizing and seeding machine

Technical Field

The utility model relates to the technical field of crop seeders, in particular to a no-tillage fertilizing seeder.

Background

At present, the existing seeder has low seeding efficiency, and the seeder does not lay drip irrigation belts, can not irrigate and fertilize rapidly during drought and fertilizer shortage, and influences the efficiency of cultivation operation; in addition, the connection structure between the existing seeder and the tractor is fixed, and in the operation of uneven cultivated land, the effects of sowing depth and compacting cannot be guaranteed.

Disclosure of utility model

The utility model aims to provide a no-tillage fertilizing and seeding machine which is used for solving at least one of the problems in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The no-tillage fertilizing and seeding machine comprises a main frame, a fertilizer mechanism, a first transmission shaft, a second transmission shaft, a third transmission shaft and a fourth transmission shaft, wherein a plurality of fertilizer openers, a ridge cleaning device and a seeding device are arranged on the main frame along the length direction of the main frame, and the fertilizer openers, the ridge cleaning device and the seeding device are sequentially arranged along the travelling direction of the seeding machine and are in one-to-one correspondence;

The main frame is provided with a first mounting seat and a second mounting seat along the length direction of the main frame, the first mounting seat and the second mounting seat are respectively provided with a first driving wheel and a second driving wheel, the first transmission shaft is respectively in rotary connection with the first mounting seat and the second mounting seat, and wheel shafts of the first driving wheel and the second driving wheel are in transmission connection with the first transmission shaft;

the first transmission shaft is in transmission connection with the second transmission shaft and the third transmission shaft respectively, the second transmission shaft is in transmission connection with a fertilizer discharging shaft of a fertilizer discharging mechanism, the fertilizer discharging mechanism discharges fertilizer into a groove formed in a fertilizer opener, the third transmission shaft is in transmission connection with the fourth transmission shaft through a gearbox, and the fourth transmission shaft is in transmission connection with a seed sowing device of the sowing device;

The drip irrigation device is characterized in that a suspension frame assembly and a four-bar linkage profiling mechanism are arranged between the seeding device and the main frame, a drip irrigation belt fixing frame is fixedly arranged on the suspension frame assembly, a support rotating shaft is arranged on the drip irrigation belt fixing frame, and limiting plates are arranged at two ends of the support rotating shaft.

In this technical scheme, the installation of fertilizer mechanism, chemical fertilizer furrow opener, clear ridge device and seeder can be realized to the main frame, owing to be provided with a plurality of chemical fertilizer furrow openers, clear ridge device and seeder on the main frame along its length direction, chemical fertilizer furrow opener, clear ridge device and seeder set gradually and the one-to-one along the direction of travel of seeder, then along with the in-process of tractor walking, can realize multirow cultivation operation once, the tractor moves forward, drives the seeder and moves forward, clear ridge device clear up remaining weeds, straw, crop root system, does not appear crowding phenomenon when guaranteeing the operation. The first driving wheel and the second driving wheel are connected with the first transmission shaft in a transmission way along with the walking of the tractor, so that the first driving wheel and the second driving wheel can be driven by the first transmission shaft in the walking process, the first transmission shaft can be driven by the second transmission shaft and the third transmission shaft respectively, the third transmission wheel can be driven by the fourth transmission shaft through the gearbox, the fourth transmission shaft can be driven by the seed sowing chain wheels of a plurality of seed sowing devices at the same time, a 16-speed gearbox can be adopted, the adjusting range is wide, and different sowing requirements can be met. This transmission structure's design can realize simultaneously the drive to a plurality of seeder, also can realize the drive to fertilizer mechanism, and the setting of suspension frame subassembly again can realize the installation of drip irrigation zone mount, and the stable receive and releases of drip irrigation zone can be guaranteed to support pivot and spacing dish, and specific, the drip irrigation zone is coiled up in supporting the pivot, and the in-process of pulling is carried out to the drip irrigation zone at external force, supports the pivot and rotates and can realize the release to the drip irrigation zone, during the use, pulls out the drip irrigation zone after guiding to ground to lay the drip irrigation zone. Because the both ends of supporting the pivot are equipped with spacing dish, can guarantee the stability of drip irrigation tape winding up. The setting of four connecting rod profile modeling mechanism can make seeder float from top to bottom for the main frame for every seeder that sets up can be better guarantees the effect of seeding degree of depth and suppression. To sum up, this seeder can promote ditching, bury kind, arrange fertile, buried pipe process continuity, improves work efficiency and seeding effect.

Further, in order to better adapt to uneven farmland operation, four connecting rod profile modeling mechanism includes two upper junction arms that the symmetry set up and two lower junction arms that the symmetry set up, and two upper junction arms and two lower junction arms's both ends rotate with suspension frame subassembly and support body respectively and are connected, fixed connection between suspension frame subassembly and the main frame, rotate between third transmission shaft and the suspension frame subassembly and be connected, be equipped with first connecting portion between the upper junction arm, be equipped with the second connecting portion between the lower junction arm, slope connection has the spring between first connecting portion and the second connecting portion.

Further, in order to provide a fertilizer structure that row of fertile continuity is good, fertilizer mechanism includes outer sheave formula fertilizer distributor and leads the fertile pipe, the fertile axle that arranges of outer sheave formula fertilizer distributor is connected with the transmission of second transmission shaft, the fertile mouth that arranges of outer sheave formula fertilizer distributor passes through the fertile interface connection that leads of leading fertile pipe and chemical fertilizer furrow opener.

Further, in order to promote the stability of transmission structure to and the reliability of articulated with the tractor, in order to conveniently provide the adsorption air pressure for the seed metering ware simultaneously, first transmission shaft, second transmission shaft, third transmission shaft and fourth transmission shaft are all parallel with the length direction of main frame, the bilateral symmetry of main frame is equipped with the running-board subassembly, the middle part of main frame is equipped with the traction frame, the traction frame is connected with the tractor, be equipped with the air suction fan on the traction frame, the air suction fan is driven by tractor PTO axle, be connected with the tuber pipe between air suction fan and the seed metering ware.

Further, in order to provide the transmission structure that simple structure and stability are high, through first worm gear assembly transmission connection between first transmission shaft and the second transmission shaft, through second worm gear assembly transmission connection between first transmission shaft and the third transmission shaft, through third worm gear assembly transmission connection between fourth transmission shaft and seeder's the seed metering ware.

Further, in order to enable each seeding device to realize seeding of two rows of seeds simultaneously, the seeding efficiency is improved, the seeding device comprises a frame body, air suction seed metering devices are symmetrically arranged on two sides of the frame body, a sprocket transmission shaft is arranged on the frame body, a fourth transmission shaft is connected with the sprocket transmission shaft through a third worm and gear component, driving sprockets are respectively arranged at two ends of the sprocket transmission shaft, and the driving sprockets are in transmission connection with seed metering sprockets in the air suction seed metering devices through chains.

Because the two sides of the frame body are symmetrically provided with the air suction seed metering devices, the seed metering chain wheels of the air suction seed metering devices are respectively in transmission connection with the driving chain wheels on the chain wheel transmission shafts through the chains, the synchronous transmission of the seed metering chain wheels in the two air suction seed metering devices which are arranged in parallel can be realized through one transmission shaft, and therefore the equal spacing between seeds falling from the same side is realized.

Further, two seed sucking discs fixedly connected with the seed sucking chain wheels in the two air sucking seed metering devices are provided with a deflection angle A, the deflection angle A is 10 degrees to 20 degrees, and two seed boxes which are respectively communicated with the corresponding air sucking seed metering devices are arranged on the frame body.

Because the two seed sucking discs fixedly connected with the seed sucking chain wheels in the two air sucking seed metering devices have a deflection angle A of 10-20 degrees, namely, in the process of installing the seed sucking seed metering devices and the chains, the deflection angle adjustment of the corresponding seed sucking discs can be realized only by adjusting the seed sucking chain wheels of the air sucking seed metering devices, namely, the seed dropping time difference of the two air sucking seed metering devices can be adjusted by adjusting the seed sucking seed metering chain wheels, so that a seeding mode of small double-row triangular seedling fixing is formed; in addition, the seed metering sprocket chain is arranged on the outer side of the frame body in a matched transmission mode, so that the seed metering sprocket chain is simple in transmission structure, convenient to assemble and maintain and higher in use reliability.

Further, the two sides of the frame body are symmetrically provided with disc openers, the seed outlet of the air suction seed metering device is positioned at the inner side close to the disc openers, a depth limiting wheel assembly with adjustable height is further arranged between the two disc openers, and the upper end of the depth limiting wheel assembly is in adjustable fixed connection with the frame body.

In the process of the movement of the seeder, the tractor moves forward to drive the disc openers to open ditches, the disc openers have slight inclination angles so as to form grooves with certain width, the seed outlet of the air suction seed metering device is positioned at the inner side close to the disc openers so that seeds can fall into the grooves opened by the disc openers, and a depth limiting wheel assembly with adjustable height is further arranged between the two disc openers so as to realize the adjustment of the opening depth according to the needs.

Further, in order to conveniently cooperate the drip irrigation zone to realize laying to the drip irrigation zone, the top of support body is equipped with first guide cylinder, the both sides of support body still symmetry are equipped with the disc earthing device, are equipped with the drip irrigation zone furrow opener between two disc earthing devices, one side of drip irrigation zone furrow opener is equipped with the second guide cylinder, the lower extreme of second guide cylinder is the arc towards the bending of rear, leave the passageway of convenient first guide cylinder and second guide cylinder intercommunication on the support body, in order to realize the landfill to the slot that the disc furrow opener opened simultaneously, the interval between two disc earthing devices is greater than the interval between two disc furrow openers. The inclination directions of the two disc openers and the two disc earth covers are opposite.

Specifically, this seeder is in the in-process of advancing, and the tractor advances to drive the drip tape furrow opener and sets up the slot that is used for laying the drip tape between two rows of seeding slots, and one side of drip tape furrow opener is equipped with the second guide cylinder, and the guide to the drip tape is mainly realized to second guide cylinder and first guide cylinder, can be with the drip tape that is located the support body top to ground and lay along the slot that the drip tape furrow opener was seted up, and the lower extreme of second guide cylinder is the arc towards the rear bending, can be more smooth and easy realization to the guide of drip tape. During specific operation, the drip irrigation belt sequentially passes through the first guide cylinder, the channel on the frame body and the second guide cylinder are led out from the lower end of the second guide cylinder, the drip irrigation belt extending out of the second guide cylinder is fixed in a groove for paving the drip irrigation belt, and then continuous paving of the drip irrigation belt can be realized along with the forward movement of the device.

In order to ensure that the grooves formed in the drip tape openers are located at the intermediate positions of the grooves for sowing, the drip tape openers are located on the center line of the two disk openers which are symmetrically arranged.

The two disc earthing devices that the symmetry set up mainly are in order to realize burying the slot that lays drip irrigation zone and the slot that has been sowed, and two disc earthing devices include the earthing dish, and two earthing dish symmetry slope sets up, and when the earthing dish moved forward along with drip irrigation zone furrow opener, the earthing dish that is located left side can push away the soil that is located the slot left side to the slot, and the earthing dish that is located the right side can push away the soil that is located the slot right side to the slot. Through the setting of disc earthing ware, can promote ditching, bury the kind, buries the continuity of pipe process, improve work efficiency.

In order to better realize the guiding of the falling of seeds, the lower end of the air suction seed sowing device is provided with a seed outlet guide pipe which extends downwards, and the seed outlet guide pipe is communicated with a seed outlet.

Further, in order to more reasonably set the position for winding the drip tape, the compactness of the structure is improved, the drip tape fixing frame comprises an extending frame extending towards one side of the frame body, the free end of the extending frame is provided with a U-shaped frame, and the two ends of the supporting rotating shaft are rotationally connected with the two ends of the U-shaped frame; the stubble-breaking furrow opener, the disc soil covering device and the V-shaped pressing wheel are sequentially arranged below the frame body. This seeder is in the in-process of advancing, and tractor advances and drives the stubble-breaking furrow opener and carry out the stubble-breaking ditching, makes things convenient for the follow-up disc furrow opener to carry out the seting of seeding slot, and V type suppression wheel is located the rear of disc earthing ware for after the slot is buried, V type suppression wheel can realize the suppression to the landfill effect.

The beneficial effects of the utility model are as follows: in this technical scheme, the installation of fertilizer mechanism, chemical fertilizer furrow opener, clear ridge device and seeder can be realized to the main frame, owing to be provided with a plurality of chemical fertilizer furrow openers, clear ridge device and seeder on the main frame along its length direction, chemical fertilizer furrow opener, clear ridge device and seeder set gradually and the one-to-one along the direction of travel of seeder, then along with the in-process of tractor walking, can realize multirow cultivation operation once, the tractor moves forward, drives the seeder and moves forward, clear ridge device clear up remaining weeds, straw, crop root system, does not appear crowding phenomenon when guaranteeing the operation. The first driving wheel and the second driving wheel are connected with the first transmission shaft in a transmission way along with the walking of the tractor, so that the first driving wheel and the second driving wheel can be driven by the first transmission shaft in the walking process, the first transmission shaft can be driven by the second transmission shaft and the third transmission shaft respectively, the third transmission wheel can be driven by the fourth transmission shaft through the gearbox, the fourth transmission shaft can be driven by the seed sowing chain wheels of a plurality of seed sowing devices at the same time, a 16-speed gearbox can be adopted, the adjusting range is wide, and different sowing requirements can be met. This transmission structure's design can realize simultaneously the drive to a plurality of seeder, also can realize the drive to fertilizer mechanism, and the setting of suspension frame subassembly again can realize the installation of drip irrigation zone mount, and the stable receive and releases of drip irrigation zone can be guaranteed to support pivot and spacing dish, and specific, the drip irrigation zone is coiled up in supporting the pivot, and the in-process of pulling is carried out to the drip irrigation zone at external force, supports the pivot and rotates and can realize the release to the drip irrigation zone, during the use, pulls out the drip irrigation zone after guiding to ground to lay the drip irrigation zone. Because the both ends of supporting the pivot are equipped with spacing dish, can guarantee the stability of drip irrigation tape winding up. The setting of four connecting rod profile modeling mechanism can make seeder float from top to bottom for the main frame for every seeder that sets up can be better guarantees the effect of seeding degree of depth and suppression. To sum up, this seeder can promote ditching, bury kind, arrange fertile, buried pipe process continuity, improves work efficiency and seeding effect.

Drawings

FIG. 1 is a schematic side view of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model;

FIG. 3 is a schematic view of a hidden seeding apparatus according to the present utility model;

FIG. 4 is a schematic view showing the structure of the seeding apparatus according to the first aspect of the present utility model;

FIG. 5 is a schematic side view of the seeding apparatus of the present utility model;

FIG. 6 is a schematic view showing the bottom view of the sowing device of the present utility model;

FIG. 7 is a schematic view of a second view of the seed planting device according to the present disclosure;

FIG. 8 is a schematic view of a hidden portion assembly according to a first view of the present utility model;

FIG. 9 is a schematic view of a hidden portion assembly according to a second view of the present utility model;

FIG. 10 is a schematic view of the structure of the seed suction plate of one side of the present utility model;

fig. 11 is a schematic structural view of a seed suction disc at the other side in the present utility model.

In the figure: a frame body 1; a pneumatic seeding apparatus 2; a sprocket drive shaft 3; a drive sprocket 4; a chain 5; a seed metering sprocket 6; a seed sucking disc 7; a seed box 8; a suspension frame assembly 9; an upper connecting arm 10; a lower connecting arm 11; a first connection portion 12; a second connection portion 13; a spring 14; a disk furrow opener 15; a seed outlet 16; a depth stop wheel assembly 17; a seed outlet guide tube 18; a first guide cylinder 19; a disc earth covering device 20; a drip tape opener 21; a second guide cylinder 22; a channel 23; a support shaft 24; an extension frame 25; a U-shaped frame 26; a V-shaped roller 27; stubble breaking furrow opener 28; a mounting plate 29; an extension arm 30; a connecting cylinder 31; a connecting rod 32; a connection frame 33; a depth stop wheel 34; a seed outlet position 35; a limit plate 36; a main frame 37; a first drive shaft 38; a second drive shaft 39; a third drive shaft 40; a fourth drive shaft 41; a fertilizer furrow opener 42; a ridge cleaning device 43; a sowing device 44; a first mount 45; a second mount 46; a first drive wheel 47; a second drive wheel 48; a transmission case 49; a four-bar linkage profiling mechanism 51; foot pedal assembly 52; a traction frame 53; an air suction fan 54; a first worm gear assembly 55; a second worm gear assembly 56; a third worm gear assembly 57; fertilizer box 58.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.

Example 1:

As shown in fig. 1 to 11, the present embodiment provides a no-tillage fertilizing and seeding machine, which comprises a main frame 37, a fertilizer mechanism, a first transmission shaft 38, a second transmission shaft 39, a third transmission shaft 40 and a fourth transmission shaft 41, wherein a plurality of fertilizer openers 42, a ridge cleaning device 43 and a seeding device 44 are arranged on the main frame 37 along the length direction of the main frame, and the fertilizer openers 42, the ridge cleaning device 43 and the seeding device 44 are sequentially arranged along the travelling direction of the seeding machine and are in one-to-one correspondence;

The main frame 37 is provided with a first mounting seat 45 and a second mounting seat 46 along the length direction thereof, the first mounting seat 45 and the second mounting seat 46 are respectively provided with a first driving wheel 47 and a second driving wheel 48, the first transmission shaft 38 is respectively in rotary connection with the first mounting seat 45 and the second mounting seat 46, and the wheel shafts of the first driving wheel 47 and the second driving wheel 48 are respectively in transmission connection with the first transmission shaft 38;

The first transmission shaft 38 is respectively connected with the second transmission shaft 39 and the third transmission shaft 40 in a transmission way, the second transmission shaft 39 is connected with a fertilizer discharging shaft of a fertilizer mechanism in a transmission way, the fertilizer mechanism discharges fertilizer into a groove formed by a fertilizer opener 42, the third transmission shaft 40 is connected with the fourth transmission shaft 41 in a transmission way through a gearbox 49, and the fourth transmission shaft 41 is connected with a seed sowing device of the sowing device 44 in a transmission way;

A suspension frame assembly 9 and a four-bar profiling mechanism 51 are arranged between the seeding device 44 and the main frame 37, a drip irrigation belt fixing frame is fixedly arranged on the suspension frame assembly 9, a support rotating shaft 24 is arranged on the drip irrigation belt fixing frame, and limiting discs 36 are arranged at two ends of the support rotating shaft 24.

In the technical scheme, the main frame 37 is formed by welding high-quality steel, and is mainly used for installing all parts, connecting the sowing device 44 and the fixed chemical fertilizer box 58, realizing the installation of a fertilizer mechanism, the chemical fertilizer furrow opener 42, the ridge cleaning device 43 and the sowing device 44, because the plurality of chemical fertilizer furrow openers 42, the ridge cleaning device 43 and the sowing device 44 are arranged on the main frame 37 along the length direction of the main frame, the chemical fertilizer furrow openers 42, the ridge cleaning device 43 and the sowing device 44 are sequentially arranged along the travelling direction of the sowing machine and correspond to each other one by one, multi-row cultivation operation can be realized once along with the travelling process of the tractor, the tractor moves forwards to drive the sowing machine to move forwards, and the ridge cleaning device 43 cleans residual weeds, straws and crop root systems, so that no congestion phenomenon occurs during operation is ensured. The first driving wheel 47 and the second driving wheel 48 are connected with the first transmission shaft 38 in a transmission way along with the walking of the tractor, so that the first driving wheel 47 and the second driving wheel 48 can drive the first transmission shaft 38 in the walking process, the first transmission shaft 38 can respectively drive the second transmission shaft 39 and the third transmission shaft 40, the third transmission wheel can drive the fourth transmission shaft 41 through the gearbox 49, the fourth transmission shaft 41 can simultaneously drive the seed sowing chain wheels 6 of a plurality of seed sowing devices, the 16-speed gearbox 49 can be adopted, the adjusting range is large, and different sowing requirements can be met. This transmission structure's design can realize simultaneously the drive to a plurality of seeder 44, also can realize the drive to fertilizer mechanism, and the setting of suspension frame subassembly 9 again can realize the installation of drip irrigation zone mount, and the stable receive and releases of drip irrigation zone can be guaranteed to support pivot 24 and spacing dish 36, and specifically, the drip irrigation zone is coiled up on support pivot 24, and the in-process that pulls the drip irrigation zone at external force, support pivot 24 rotates and can realize the release to the drip irrigation zone, during the use, pulls out the drip irrigation zone after guiding to ground to lay the drip irrigation zone. Because the two ends of the supporting rotating shaft 24 are provided with the limiting discs 36, the stability of the winding of the drip irrigation tape can be ensured. The arrangement of the four-bar linkage mechanism 51 enables the sowing device 44 to float up and down relative to the main frame 37, so that each group of sowing devices 44 can better ensure the sowing depth and the compacting effect. To sum up, this seeder can promote ditching, bury kind, arrange fertile, buried pipe process continuity, improves work efficiency and seeding effect.

Example 2:

This example was optimized based on example 1 above.

In order to better adapt to uneven farmland operation, the four-bar linkage profiling mechanism 51 comprises two upper connecting arms 10 which are symmetrically arranged and two lower connecting arms 11 which are symmetrically arranged, two ends of the two upper connecting arms 10 and two lower connecting arms 11 are respectively and rotatably connected with the suspension frame assembly 9 and the frame body 1, the suspension frame assembly 9 is fixedly connected with the main frame 37, the third transmission shaft 40 is rotatably connected with the suspension frame assembly 9, a first connecting part 12 is arranged between the upper connecting arms 10, a second connecting part 13 is arranged between the lower connecting arms 11, and a spring 14 is obliquely connected between the first connecting part 12 and the second connecting part 13.

Example 3:

This example was optimized based on example 1 above.

In order to provide a fertilizer structure with good fertilizer continuity, the fertilizer mechanism comprises an outer sheave type fertilizer distributor and a fertilizer guide pipe, a fertilizer discharging shaft of the outer sheave type fertilizer distributor is in transmission connection with a second transmission shaft 39, and a fertilizer discharging port of the outer sheave type fertilizer distributor is connected with a fertilizer guide interface of a fertilizer furrow opener 42 through the fertilizer guide pipe. The amount of the fertilizer can be adjusted by the fertilizer amount adjusting handle.

Example 4:

This example was optimized based on example 1 above.

In order to improve the stability of the transmission structure and the reliability of the tractor hanging, and simultaneously in order to conveniently provide adsorption air pressure for the seed metering device, the first transmission shaft 38, the second transmission shaft 39, the third transmission shaft 40 and the fourth transmission shaft 41 are parallel to the length direction of the main frame 37, the two sides of the main frame 37 are symmetrically provided with pedal assemblies 52, the middle part of the main frame 37 is provided with a traction frame 53, the traction frame 53 is connected with the tractor, the traction frame 53 is provided with an air suction fan 54, the air suction fan 54 is driven by a PTO shaft of the tractor, and an air pipe is connected between the air suction fan 54 and the seed metering device.

When the tractor is in operation, the power output of the PTO shaft of the tractor is firstly connected, the air suction fan is driven to rotate, and the tractor moves forwards to drive the seeder to move forwards.

Example 5:

This example was optimized based on example 1 above.

In order to provide a transmission structure with simple structure and high stability, the first transmission shaft 38 is in transmission connection with the second transmission shaft 39 through the first worm gear assembly 55, the first transmission shaft 38 is in transmission connection with the third transmission shaft 40 through the second worm gear assembly 56, and the fourth transmission shaft 41 is in transmission connection with the seed sowing device of the sowing device 44 through the third worm gear assembly 57.

Example 6:

This example was optimized based on example 5 above.

In order to enable each seeding device 44 to realize seeding of two rows of seeds simultaneously, the seeding device 44 comprises a frame body 1, air suction seed metering devices 2 are symmetrically arranged on two sides of the frame body 1, a sprocket transmission shaft 3 is arranged on the frame body 1, a fourth transmission shaft 41 is in transmission connection with the sprocket transmission shaft 3 through a third worm and gear assembly 57, driving sprockets 4 are respectively arranged at two ends of the sprocket transmission shaft 3, and the driving sprockets 4 are in transmission connection with seed metering sprockets 6 in the air suction seed metering devices 2 through chains 5.

Because the two sides of the frame body 1 are symmetrically provided with the air suction seed metering devices 2, the seed metering chain wheels 6 of the air suction seed metering devices 2 are respectively in transmission connection with the driving chain wheels 4 on the chain wheel transmission shafts 3 through the chains 5, the synchronous transmission of the seed metering chain wheels 6 in the two air suction seed metering devices 2 which are arranged in parallel can be realized through one transmission shaft, and therefore the equal spacing between seeds falling from the same side is realized.

Example 7:

this example was optimized based on example 6 above.

The two seed sucking discs 7 fixedly connected with the seed sucking chain wheels 6 in the two air sucking seed metering devices 2 are provided with a deflection angle A, the deflection angle A is 10 degrees to 20 degrees, preferably, the deflection angle A is 11.25 degrees, the seed outlet positions 35 on the seed sucking discs 7 have a certain deflection angle difference, seeds can be dropped only under the condition that the seed outlet positions 35 are aligned with the seed outlet openings 16, and accordingly, under the condition that the seed sucking discs 7 are driven simultaneously, seeds have drop time difference, and two seed boxes 8 which are respectively communicated with the corresponding air sucking seed metering devices 2 are arranged on the frame body 1.

Because the two seed sucking discs 7 fixedly connected with the seed sucking chain wheels 6 in the two air sucking seed metering devices 2 have a deflection angle A of 10 degrees to 20 degrees, namely, in the process of installing the seed sucking seed metering devices 6 and the chains 5, the deflection angle adjustment of the corresponding seed sucking discs 7 can be realized only by adjusting the seed sucking seed metering chain wheels 6 of the air sucking seed metering devices 2, namely, the seed dropping time difference of the two air sucking seed metering devices 2 can be adjusted by adjusting the seed sucking seed metering chain wheels 6, so that a small double-row triangular fixed seedling sowing mode is formed; in addition, the seed metering sprocket 6 and the chain 5 are matched for transmission, the seed metering sprocket 6 and the chain 5 can be arranged on the outer side of the frame body 1, the transmission structure is simple, the assembly and the maintenance are convenient, and the use reliability is higher.

Example 8:

this example was optimized based on example 6 above.

The two sides of the frame body 1 are symmetrically provided with disc openers 15, the seed outlet 16 of the air suction seed sowing device 2 is positioned at the inner side close to the disc openers 15, a depth limiting wheel 34 assembly 17 with adjustable height is further arranged between the two disc openers 15, and the upper end of the depth limiting wheel 34 assembly 17 is in adjustable fixed connection with the frame body 1.

In the process of the travelling of the seeder, the tractor forwards drives the disc openers 15 to open ditches, the disc openers 15 have a slight inclination angle so as to form a groove with a certain width, the seed outlet 16 of the air suction seed sowing device 2 is positioned at the inner side close to the disc openers 15 so that seeds can fall into the groove formed by the disc openers 15, and a depth limiting wheel 34 assembly 17 with adjustable height is further arranged between the two disc openers 15 so as to realize the adjustment of the opening depth according to the requirement.

Example 9:

this example was optimized based on example 6 above.

In order to conveniently match with a drip tape to realize the laying of the drip tape, a first guide cylinder 19 is arranged above the frame body 1, disc earth covering devices 20 are symmetrically arranged on two sides of the frame body 1, a drip tape opener 21 is arranged between the two disc earth covering devices 20, a second guide cylinder 22 is arranged on one side of the drip tape opener 21, the lower end of the second guide cylinder 22 is bent backwards to form an arc shape, a channel 23 which is convenient for the first guide cylinder 19 and the second guide cylinder 22 to communicate is reserved on the frame body 1, and in order to simultaneously realize the filling of grooves formed by the disc earth covering devices 15, the interval between the two disc earth covering devices 20 is larger than the interval between the two disc earth covering devices 15. The tilting directions of the two disk openers 15 and the two disk coverers 20 are opposite.

Specifically, this seeder is in the in-process of advancing, and tractor advances and drives drip tape furrow opener 21 and offer the slot that is used for laying the drip tape between two rows of seeding slot, and one side of drip tape furrow opener 21 is equipped with second guide cylinder 22, and second guide cylinder 22 and first guide cylinder 19 mainly realize the guide to the drip tape, can be with the drip tape that is located support body 1 top to ground and lay along the slot that drip tape furrow opener 21 offered, and the lower extreme of second guide cylinder 22 is crooked to be the arc backward, can more smooth and easy realization to the guide of drip tape. In specific operation, the drip irrigation tape sequentially passes through the first guide cylinder 19, the channel 23 on the frame body 1 and the second guide cylinder 22 are led out from the lower end of the second guide cylinder 22, the drip irrigation tape extending out of the second guide cylinder 22 is fixed in a groove for paving the drip irrigation tape, and then continuous paving of the drip irrigation tape can be realized along with the forward movement of the device.

In order to ensure that the grooves formed in the drip tape openers 21 are located at the intermediate positions of the grooves for sowing, the drip tape openers 21 are located on the center line of the two disk openers 15 symmetrically arranged.

The two disc earthing devices 20 that the symmetry set up mainly are in order to realize burying the slot that lays drip irrigation zone and the slot that the seeding was accomplished, and two disc earthing devices 20 include the earthing dish, and two earthing dishes symmetry slope sets up, and when the earthing dish moved forward along with drip irrigation zone furrow opener 21, the earthing dish that is located left side can push away the soil that is located the slot left side to the slot, and the earthing dish that is located the right side can push away the soil that is located the slot right side to the slot. By arranging the disc soil covering device 20, the continuity of ditching, seed burying and pipe burying processes can be improved, and the working efficiency is improved.

In summary, in the advancing process of the seeder, the drip irrigation tape furrow opener 21 opens the groove, the drip irrigation tape enters the opened groove through the first guide cylinder 19 and the second guide cylinder 22, and then the disc soil covering device 20 is covered with a thin soil layer to form a shallow buried effect, so that the fixing effect can be achieved, and the seedling can be irrigated better.

In order to better realize the guiding of the falling of seeds, the lower end of the air suction seed sowing device 2 is provided with a seed outlet guide pipe 18 which extends downwards, and the seed outlet guide pipe 18 is communicated with a seed outlet 16.

Example 10:

This example was optimized based on example 8 above.

In order to more reasonably set the winding position of the drip tape, the compactness of the structure is improved, the drip tape fixing frame comprises an extension frame 25 extending towards one side of the frame body 1, the free end of the extension frame 25 is provided with a U-shaped frame 26, and two ends of the supporting rotating shaft 24 are rotatably connected with two ends of the U-shaped frame 26; the stubble breaking furrow opener 28 and the V-shaped pressing wheel 27 are arranged below the frame body 1, and the stubble breaking furrow opener 28, the disc furrow opener 15, the disc soil covering device 20 and the V-shaped pressing wheel 27 are sequentially arranged. In the advancing process of the seeder, the tractor moves forward to drive the stubble breaking furrow opener 28 to break stubble and open furrows, the follow-up disc furrow opener 15 is convenient to open the sowing grooves, the V-shaped pressing wheel 27 is positioned at the rear of the disc soil covering device 20, and after the grooves are buried, the V-shaped pressing wheel 27 can realize pressing of the landfill effect. The ridge cleaning device 43 and the stubble-breaking furrow opener 28 are used for cleaning residual weeds, straws and crop root systems in a stubble-breaking way, so that the phenomenon of congestion is avoided during operation.

In the above embodiment, preferably, two fertilizer boxes 58 are provided on the main frame 37 along the length direction of the main frame 37, and four fertilizer openers 42, ridge cleaning devices 43 and sowing devices 44 are provided on the main frame 37 along the length direction thereof.

It should be noted that, each sowing device 44 may be moved to the mounting position on the main frame 37, so that the small double-row seeds are sown into the opened seed belt grooves to form a large wide row, so that the ventilation and illumination of the seeds are not affected under the condition of increasing the plant spacing density, thereby improving the yield and increasing the income.

In order to facilitate the installation of the stubble-breaking furrow opener 28, the stubble-breaking furrow opener 28 is fixedly installed on the frame body 1 through an installation seat, the installation seat comprises an integrally formed installation plate 29 and an extension arm 30, the installation plate 29 is fixedly connected with the front end of the frame body 1, and the stubble-breaking furrow opener 28 is fixedly arranged at the free end of the extension arm 30; the mounting plate 29 is further provided with a connecting cylinder 31, the depth-limiting wheel 34 assembly 17 comprises a connecting rod 32, the height position of the connecting rod 32 in the connecting cylinder 31 can be adjusted, the lower end of the connecting rod 32 is provided with a connecting frame 33 extending towards the middle of the disc furrow opener 15, and the free end of the connecting frame 33 is connected with the depth-limiting wheel 34.

The technical scheme can finish the working procedures of fertilization, ridge cleaning, stubble breaking, seeding, compacting, shallow-buried drip irrigation belts and the like at one time, and is efficient, time-saving and labor-saving. And the triangular seedling setting mode is utilized for reasonable close planting, so that the yield is increased. The drip irrigation belt is paved, so that the water and fertilizer integrated operation can be realized by timely irrigating and flushing fertilizer when crops lack water and fertilizer. The seeding device 44 is provided with two seed metering devices simultaneously, so that small double rows can be formed, the seed falling time difference of the two seed metering devices is adjusted through a chain wheel, triangular fixed seedlings are formed, the seeding density is increased reasonably, and the yield is increased. The drip irrigation tape is paved at one time, so that the number of times of rolling the soil by the working vehicle is reduced, the soil structure is ensured to be damaged less, the cultivated land is protected, and meanwhile, the paving efficiency of the drip irrigation tape is improved.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A no-tillage fertilizing and seeding machine, which is characterized in that: the device comprises a main frame, a fertilizer mechanism, a first transmission shaft, a second transmission shaft, a third transmission shaft and a fourth transmission shaft, wherein a plurality of fertilizer openers, a ridge cleaning device and a sowing device are arranged on the main frame along the length direction of the main frame, and the fertilizer openers, the ridge cleaning device and the sowing device are sequentially arranged along the travelling direction of the sowing machine and are in one-to-one correspondence;

The main frame is provided with a first mounting seat and a second mounting seat along the length direction of the main frame, the first mounting seat and the second mounting seat are respectively provided with a first driving wheel and a second driving wheel, the first transmission shaft is respectively in rotary connection with the first mounting seat and the second mounting seat, and wheel shafts of the first driving wheel and the second driving wheel are in transmission connection with the first transmission shaft;

the first transmission shaft is in transmission connection with the second transmission shaft and the third transmission shaft respectively, the second transmission shaft is in transmission connection with a fertilizer discharging shaft of a fertilizer discharging mechanism, the fertilizer discharging mechanism discharges fertilizer into a groove formed in a fertilizer opener, the third transmission shaft is in transmission connection with the fourth transmission shaft through a gearbox, and the fourth transmission shaft is in transmission connection with a seed sowing device of the sowing device;

The drip irrigation device is characterized in that a suspension frame assembly and a four-bar linkage profiling mechanism are arranged between the seeding device and the main frame, a drip irrigation belt fixing frame is fixedly arranged on the suspension frame assembly, a support rotating shaft is arranged on the drip irrigation belt fixing frame, and limiting plates are arranged at two ends of the support rotating shaft.

2. The no-tillage fertilizing and seeding machine according to claim 1, wherein: the four-bar linkage profiling mechanism comprises two upper connecting arms which are symmetrically arranged and two lower connecting arms which are symmetrically arranged, wherein two ends of the two upper connecting arms and two lower connecting arms are respectively and rotatably connected with the suspension frame assembly and the frame body, the suspension frame assembly is fixedly connected with the main frame, the third transmission shaft is rotatably connected with the suspension frame assembly, a first connecting part is arranged between the upper connecting arms, a second connecting part is arranged between the lower connecting arms, and a spring is obliquely connected between the first connecting part and the second connecting part.

3. The no-tillage fertilizing and seeding machine according to claim 1, wherein: the fertilizer mechanism comprises an outer sheave type fertilizer distributor and a fertilizer guide pipe, a fertilizer discharging shaft of the outer sheave type fertilizer distributor is in transmission connection with the second transmission shaft, and a fertilizer discharging port of the outer sheave type fertilizer distributor is connected with a fertilizer guide interface of the fertilizer furrow opener through the fertilizer guide pipe.

4. The no-tillage fertilizing and seeding machine according to claim 1, wherein: the first transmission shaft, the second transmission shaft, the third transmission shaft and the fourth transmission shaft are all parallel to the length direction of the main frame, foot pedal assemblies are symmetrically arranged on two sides of the main frame, a traction frame is arranged in the middle of the main frame and connected with a tractor, an air suction fan is arranged on the traction frame and driven by a PTO shaft of the tractor, and an air pipe is connected between the air suction fan and a seed sowing device.

5. The no-tillage fertilizing and seeding machine according to claim 1, wherein: the first transmission shaft is in transmission connection with the second transmission shaft through a first worm and gear assembly, the first transmission shaft is in transmission connection with the third transmission shaft through a second worm and gear assembly, and the fourth transmission shaft is in transmission connection with the seed sowing device through a third worm and gear assembly.

6. The no-tillage fertilizing and seeding machine according to claim 5, wherein: the seeding device comprises a frame body, air suction seed metering devices are symmetrically arranged on two sides of the frame body, a sprocket transmission shaft is arranged on the frame body, a fourth transmission shaft is in transmission connection with the sprocket transmission shaft through a third worm and gear assembly, driving sprockets are respectively arranged at two ends of the sprocket transmission shaft, and the driving sprockets are in transmission connection with seed metering sprockets in the air suction seed metering devices through chains.

7. The no-tillage fertilizing and seeding machine according to claim 6, wherein: the two seed sucking discs fixedly connected with the seed metering chain wheels in the two air sucking seed metering devices are provided with a deflection angle A, the deflection angle A is 10 degrees to 20 degrees, and two seed boxes which are respectively communicated with the corresponding air sucking seed metering devices are arranged on the frame body.

8. The no-tillage fertilizing and seeding machine according to claim 6, wherein: the two sides of the frame body are symmetrically provided with disc openers, the seed outlet of the air suction seed metering device is positioned at the inner side close to the disc openers, a depth-limiting wheel assembly with adjustable height is further arranged between the two disc openers, and the upper end of the depth-limiting wheel assembly is in adjustable fixed connection with the frame body.

9. The no-tillage fertilizing and seeding machine according to claim 6, wherein: the drip irrigation ditch is characterized in that a first guide cylinder is arranged above the frame body, disc earth covering devices are symmetrically arranged on two sides of the frame body, a drip irrigation ditch opener is arranged between the two disc earth covering devices, a second guide cylinder is arranged on one side of the drip irrigation ditch opener, the lower end of the second guide cylinder is bent towards the rear to form an arc shape, a channel which is convenient for the first guide cylinder to communicate with the second guide cylinder is reserved on the frame body, and the distance between the two disc earth covering devices is larger than the distance between the two disc ditch openers.

10. The no-tillage fertilizing and seeding machine according to claim 8, wherein: the drip irrigation belt fixing frame comprises an extension frame extending towards one side of the frame body, a U-shaped frame is arranged at the free end of the extension frame, and two ends of the supporting rotating shaft are rotatably connected with two ends of the U-shaped frame; the stubble-breaking furrow opener, the disc soil covering device and the V-shaped pressing wheel are sequentially arranged below the frame body.