CN217608245U - Suspension type alfalfa precision seeder - Google Patents

Abstract

The utility model relates to agricultural machinery, in particular to a suspension type alfalfa precision seeder. The spiral soil leveling device, the pesticide spraying device, the fertilizing device, the seeding device and the rear compression roller are sequentially arranged on the rack from front to back, the fertilizing and ditching device is arranged below the fertilizing device, and the disc ditching device is arranged below the seeding device; the seeding device comprises a seed box, a seed discharging rotating shaft and a seed guide pipe, wherein the bottom of the seed box is a seed discharging chamber, the seed discharging rotating shaft penetrates through the seed discharging chamber and is connected with the lower end of the seed box, a seed discharging gear is fixed at the end part of the seed discharging rotating shaft and is meshed with a transmission gear, the upper end of the seed guide pipe is connected with a seed discharging port at the bottom of the seed box, and the lower end of the seed guide pipe is positioned above the disc ditching device. Can finish a plurality of operation procedures such as spiral soil leveling, deep chemical fertilizer application, precision seeding, pressing and the like at one time, greatly improves the seeding efficiency and the seeding cost of the alfalfa, and improves the seeding quality.

Description

Suspension type alfalfa precision seeder

Technical Field

The utility model relates to agricultural machinery, in particular to a suspension type alfalfa precision seeder.

Background

China is the third alfalfa planting country in the world, and the total area of alfalfa is about 367 ten thousand hm ² 15% of the planting area of the whole world, second to 36% of the United states, argentina23% of the total area, the grassland area for alfalfa industry development in China exceeds 30 hundred million acres. Alfalfa is an annual or perennial herbaceous plant, is an important forage grass plant, is widely introduced and cultivated by countries in the world, is the forage grass with the highest production level and the highest economic value quantity, and has the name of the king of the forage grass. The alfalfa has high nutritive value and excellent palatability, and is an important high-quality forage grass for herbivorous animals such as dairy cows and the like. The development of the alfalfa industry has important significance for adjusting the planting industry structure, promoting the combination of agriculture and animal husbandry and improving the market competitiveness of grass products and animal products.

Most of seeders on the existing market are complex in structure, single in function, high in cost and complex in operation, higher requirements are provided for the power strength of agricultural machinery and users, operation procedures are dispersed, the operation cost is increased, the operation quality of the seeders is not high, the pertinence is strong, and the practicability is not high. Along with the gradual reduction of rural labor force in recent years, related agricultural machinery is urgently needed to be provided to improve the cultivation efficiency in order to ensure the normal operation of agricultural production.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the above-mentioned defect that prior art exists, provide a suspension type alfalfa precision planter, can once only accomplish multichannel operation processes such as spiral flat soil, chemical fertilizer deep fertilizing, precision seeding, suppression, improved alfalfa seeding efficiency and seeding cost greatly to the seeding quality has been improved.

The technical scheme of the utility model is that: a suspension type alfalfa precision seeder comprises a rack, wherein a spiral soil leveling device, a pesticide spraying device, a fertilizing device, a seeding device and a rear press roller are sequentially arranged on the rack from front to back, the spiral soil leveling device is arranged at the foremost end of the rack, the rear press roller is arranged at the tail end of the rack, a fertilizing and ditching device is arranged below the fertilizing device, and a disc ditching device is arranged below the seeding device;

a plurality of seeding devices are uniformly arranged at intervals along the width direction of the rack, each seeding device comprises a seed box, a seed discharging rotating shaft and a seed guide pipe, the bottom of each seed box is a seed discharging chamber, the seed discharging rotating shaft penetrates through the seed discharging chamber and is connected with the lower end of the seed box, a seed discharging gear is fixed at the end part of the seed discharging rotating shaft and is meshed with a transmission gear, the transmission gear and the seed discharging gear are positioned in the seed discharging gear box, the upper end of the seed guide pipe is connected with a seed discharging port at the bottom of the seed box, and the lower end of the seed guide pipe is positioned above the disc ditching device;

the disc ditching device comprises a ditcher shovel handle, a ditching disc, a disc shield, a ditcher spring and a sliding pin, wherein the upper end of the ditcher shovel handle is connected with a sliding groove on a clamping seat through the sliding pin, the sliding pin slides up and down in the sliding groove, the clamping seat is fixedly connected with a rack, the bottom end of the ditcher shovel handle is fixedly connected with the ditching disc, the ditching disc is of a double-disc structure, the disc shield is arranged above the ditching disc, the ditcher spring is sleeved on the ditcher shovel handle and positioned above the disc shield, and the periphery of the disc of the ditching disc is in a cutting edge shape;

the back compression roller includes the roller, the roll body, the roller connecting plate, roller curb plate and scraper blade, the center of roll body is fixed with the roller, the even interval in surface of roll body sets up several press roller tooth, the both ends of roller are connected with the rear end of roller curb plate respectively, the front end and the roller connecting plate fixed connection of roller curb plate, roller connecting plate and frame fixed connection, through connecting plate fixed connection between the roller curb plate of both sides, the scraper blade is located the top of roll body, the scraper blade is fixed on the connecting plate, be the slope setting between scraper blade and the roller curb plate, the shower nozzle dead lever passes through shower nozzle fixed bar seat and connecting plate fixed connection.

The utility model discloses in, spiral flat native device includes headstock, helical blade, rotation axis and guide housing, and the top of headstock is connected with the driving system of tractor, and the input shaft of headstock passes through the gear to be connected with the rotation axis, and the annular outside at rotation axis both ends all is fixed with helical blade, and helical blade's top is equipped with the guide housing.

Spout the medicine device and include explosive barrel, explosive barrel fixing base, shower nozzle dead lever and shower nozzle fixed rod seat, the explosive barrel passes through the explosive barrel fixing base and sets up the several explosive barrel in the front end of frame, sets up the several explosive barrel along the width direction interval of frame, and the shower nozzle dead lever sets up the top at back compression roller, and the shower nozzle dead lever passes through shower nozzle fixed rod seat and back compression roller fixed connection, and the interval is established and is set up the several shower nozzle on the shower nozzle dead lever.

Fertilizer injection unit is including fertile case, fertilizer applicator and lead fertile pipe, fertile case is located the rear of explosive barrel, and fertile case is fixed to be set up at the upper surface of frame, and sets up along the width direction of frame, and the bottom of fertile case is fixed with the fertilizer applicator, leads the upper end of fertile pipe and is connected with the fertilizer applicator, and the lower extreme sets up the top at fertilization ditching device.

The distance between the lower edge of the scraper and the outer circumference of the roller body is 1-2cm.

The utility model has the advantages that:

(1) The device can complete multiple operation procedures such as spiral soil leveling, deep chemical fertilizer application, precision seeding, pressing and the like at one time, realizes the whole-process mechanization of the alfalfa seeding operation, and reduces the alfalfa seeding cost;

(2) In the mechanical sowing process of the alfalfa reseeding, the problems of easy soil piling, seed bed compaction by a tractor, large resistance, impurity removal and the like in front of the sowing machine are solved through the spiral soil leveling device; soil on the latter compression roller is strickleed off through the scraping plate on the latter compression roller, and the back compression roller compacts the seedbed, has reduced crops such as weeds to the influence of seeding, has improved seeding quality.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural diagram of a spiral soil leveling device;

fig. 3 is a left side view structure diagram of the present invention;

FIG. 4 is a schematic view of the structure of the sowing apparatus;

FIG. 5 is a schematic structural view of the disc ditching device;

fig. 6 is a schematic view of the structure of the rear press roll.

In the figure: 1. a frame; 2. a seeding device; 201. a seed guide pipe; 202. a seed box; 203. a seed sowing rotating shaft; 204. a seed discharging gear; 205. a transmission gear; 206 seed sowing gear boxes; 207 fixing the card holder; 3. a disc ditching device; 301. a shank of the furrow opener; 302. ditching a disc; 303. a disk shield; 304 springs, 305 slide pins; 4. a fertilizing and ditching device; 5. a rear press roller; 501. a roller shaft; 502. pressing the roller teeth; 503. a roller connecting plate; 504. a roller side plate; 505. a scraper plate; 6. a spiral soil leveling device; 601. a power box; 602. a helical blade; 603. a rotating shaft; 604. a guide housing; 7. a fertilizing device; 701. fertilizer box; 702. a fertilizer applicator; 703. a fertilizer guide pipe; 8. a pesticide spraying device; 801. a medicine barrel; 802. a medicine barrel fixing seat; 803. a nozzle fixing rod; 804. the nozzle fixes the rod seat.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of other ways than those described herein, and those skilled in the art will be able to make similar generalizations without departing from the spirit of the invention. The invention is therefore not limited to the specific embodiments disclosed below.

As shown in fig. 1, suspension type alfalfa precision planter include frame 1, spiral soil leveling device 6, spout medicine device 8, fertilizer injection unit 7, seeder 2 and back compression roller 5 by preceding to setting gradually in frame 1 after to, spiral soil leveling device 6 sets up at frame 1 foremost, back compression roller 5 sets up the tail end in frame 1. A fertilizing and ditching device 4 is arranged below the fertilizing device 7, and a disc ditching device 3 is arranged below the seeding device 2.

As shown in fig. 2, the spiral soil leveling device 6 includes a power box 601, a spiral blade 602, a rotating shaft 603 and a guide cover 604, wherein the top of the power box 601 is connected to a power system of a tractor, an input shaft of the power box 601 is connected to the rotating shaft 603 through a gear, and the power of the tractor is transmitted to the rotating shaft 603 through the power box to drive the rotating shaft to rotate. Helical blades 602 are fixed on the annular outer sides of both ends of the rotating shaft 603, and a guide cover 604 is arranged above the helical blades 602. The power output shaft of the tractor drives the input shaft of the power box 601 to rotate through a universal coupling, the input shaft of the power box drives the rotating shaft 603 to rotate through a gear, the rotating shaft 603 drives the spiral blade 602 to rotate, and in the process that the seeder moves forwards, under the guidance of the guide cover 604, the spiral blade 602 conveys the soil, soil blocks and stubble grass compacted by the tractor to two sides from the middle part of the rotating shaft along the axial direction of the rotating shaft, so that the aim of leveling the soil is fulfilled.

As shown in fig. 3 and fig. 6, the pesticide spraying device 8 includes a pesticide barrel 801, a pesticide barrel fixing seat 802, a spray head fixing rod 803, and a spray head fixing rod seat 804, the pesticide barrel 801 is disposed at the front end of the rack 1 through the pesticide barrel fixing seat 802, a plurality of pesticide barrels 801 are disposed at intervals along the width direction of the rack 1, and two pesticide barrels 801 are disposed in this embodiment. The nozzle fixing rod 803 is arranged above the rear press roller 5, the nozzle fixing rod 803 is fixedly connected with the rear press roller 5 through the nozzle fixing rod seat 804, and a plurality of nozzles are arranged on the nozzle fixing rod 803 at intervals. The medicine barrel 801 is connected with the spray head fixing rod 803 through a medicine pipe. In the seeding process of the seeder, the pesticide spraying device is used for effectively spraying the pesticide to the seeding position, so that the operation efficiency is improved.

As shown in fig. 3, the fertilizer application device 7 includes a fertilizer box 701, a fertilizer applicator 702, and a fertilizer guide pipe 703, the fertilizer box 701 is located behind the chemical bucket 801, and the fertilizer box 701 is fixedly provided on the upper surface of the frame 1 and is provided along the width direction of the frame 1. The bottom of the fertilizer box 701 is fixed with a fertilizer applicator 702, the upper end of the fertilizer guide pipe 703 is connected with the fertilizer applicator 702, and the lower end is arranged above the fertilizing and ditching device 4. In this embodiment, the fertilizer furrowing device 4 may be a fertilizer furrowing shovel. In the process of ditching, fertilizer is directly poured into the soil pit through the fertilizer applicator 702 and the fertilizer guide pipe 703, so that the operation efficiency of seeding is improved.

Fertilizing device's rear is equipped with the several seeder, and seeder sets up along the even interval of width direction of frame, and in this embodiment, the width direction along the frame is equipped with ten seeder side by side. As shown in fig. 4, the sowing device 2 includes a seed box 202, a seed sowing rotary shaft 203 and a seed guiding pipe 201, wherein the seed box 202 is fixedly arranged on the frame 1 through a fixed clamping seat 207. The bottom of the seed box 202 is a seed discharging chamber, and a seed discharging rotating shaft 203 passes through the seed discharging chamber and is connected with the lower end of the seed box 202. The seeding rotating shaft 203 is a hexagonal prism, a seeding gear 204 is fixed at the end part of the seeding rotating shaft 203, the seeding gear 204 is mutually meshed with a transmission gear 205, and the transmission gear 205 and the seeding gear 204 are positioned in a seeding gear box 206. The upper end of the seed guide pipe 201 is connected with a seed discharging port at the bottom of the seed box 202, and the lower end of the seed guide pipe is positioned above the disc ditching device. The seeds enter the seed box 202, and in the process that the transmission gear 25 drives the seed sowing gear 24 to rotate, the seeds in the seed box enter the seed guide pipe 201 through the seed sowing port at the bottom, and the seed sowing quantity can be adjusted through the rotating speed of the seed sowing gear 24.

The disc ditching device 3 is used for seeding ditching and guiding seeds into the soil. As shown in fig. 5, the disc trenching apparatus 3 comprises a trencher shank 301, a trenching disc 302, a disc shroud 303, a spring 304, and a sliding pin 305. The sliding tray that the sliding pin 305 was passed through to furrow opener share shaft 301 one end links to each other with the cassette, cassette fixed connection is in the frame, ditching disc 302 is two disc structures, ditching disc 302 and furrow opener share shaft 301 fixed connection, the top of ditching disc 302 is equipped with disc guard shield 303, spring 304 cover is on furrow opener share shaft 301, be located the top of disc guard shield 303, spring 304 is in natural state, uneven or meetting the soil block in the surface, during the stone, spring 304 is compressed, sliding pin 305 slides from top to bottom in the sliding tray, thereby drive the whole up-and-down motion of furrow opener, realize the profile modeling of floating anywhere. Ditching disc 302 can open the kind ditch, in the guide alfalfa seed grain gets into the kind ditch, because the ditching width is little, makes the moist soil can return soil automatically and cover the alfalfa seed grain to ensure through suppression device that kind ditch is compressed tightly the compaction. The periphery of the disc of the ditching disc is in a cutting edge shape, and the ditching disc 302 can cut off grass roots and stubbles in the soil in the rolling process, so that the land preparation disc can normally work under poor soil preparation conditions and under high soil humidity, works stably, and is not easy to cause the phenomena of clay, blockage, mixing of upper and lower soil layers and the like in the ditching process.

As shown in fig. 6, the rear press roller 5 includes a roller shaft 501, a roller body, a roller connecting plate 503, a roller side plate 504, and a scraper 505, the roller shaft 501 is fixed at the center of the roller body, and a plurality of press roller teeth 502 are provided on the outer surface of the roller body at regular intervals. The two ends of the roller shaft 501 are respectively connected with the rear ends of the roller side plates 504, the front ends of the roller side plates 504 are fixedly connected with the roller connecting plates 503, and the roller connecting plates 503 are fixedly connected with the frame 1, so that the roller body is connected with the frame 1 through the roller side plates and the roller connecting plates. The roller side plates 504 on both sides are fixedly connected through a connecting plate. The scraper blade 505 is positioned above the roller body, the scraper blade 505 is fixed on the connecting plate, the scraper blade 505 and the roller side plate 504 are obliquely arranged, and the distance between the lower edge of the scraper blade 505 and the outer circumference of the roller body is 1-2cm. The nozzle fixing rod 803 is fixedly connected with the connecting plate through a nozzle fixing rod seat 804. When the earth that glues at the roll body periphery rotates scraper blade 505 department, just being shoveled away from the roll body surface by scraper blade 505, it is thicker more to prevent that earth from amassing more, causes the roll body unable to rotate, prevents that back press roll from blockking up, keeps its normal rotation to ensure holistic planarization and uniformity. After sowing, the soil is compacted by the rear compression roller, so that the soil density is increased to be beneficial to keeping soil moisture, and the germination and emergence of seeds are facilitated.

The utility model discloses the during operation at first connects the complete machine behind the tractor, drives the complete machine work through the tractor. The tractor inputs power into the power box 601 to drive the spiral soil leveling device 6 to work, and the soil, soil blocks and stubble grass compacted by the tractor are conveyed outwards from the middle part to level the land. The fertilizing and ditching device 4 completes ditching operation in the advancing process of the whole machine, and the fertilizing device 6 completes fertilizer discharging operation in the ditching process. The disc ditching device 3 and the seeding device 2 complete seeding operation, and the rear compression roller 5 completes soil covering and compaction finally.

The suspension type alfalfa precision seeder provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above description of the embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. The utility model provides a suspension type alfalfa precision planter, includes frame (1), its characterized in that: the spiral soil leveling device (6), the pesticide spraying device (8), the fertilizing device (7), the seeding device (2) and the rear press roll (5) are sequentially arranged on the rack (1) from front to back, the spiral soil leveling device (6) is arranged at the foremost end of the rack (1), the rear press roll (5) is arranged at the tail end of the rack (1), the fertilizing and ditching device (4) is arranged below the fertilizing device (7), and the disc ditching device (3) is arranged below the seeding device (2);

a plurality of seeding devices are uniformly arranged at intervals along the width direction of the rack, each seeding device (2) comprises a seed box (202), a seeding rotating shaft (203) and a seed guide pipe (201), a seeding chamber is arranged at the bottom of the seed box (202), the seeding rotating shaft (203) penetrates through the seeding chamber and is connected with the lower end of the seed box (202), a seeding gear (204) is fixed at the end part of the seeding rotating shaft (203), the seeding gear (204) is meshed with a transmission gear (205), the transmission gear (205) and the seeding gear (204) are positioned in a gear box (206), the upper end of the seed guide pipe (201) is connected with a seeding port at the bottom of the seed box (202), and the lower end of the seed guide pipe is positioned above the disc ditching device;

the disc ditching device (3) comprises a ditcher shovel handle (301), a ditching disc (302), a disc shield (303), a spring (304) and a sliding pin (305), wherein the upper end of the ditcher shovel handle (301) is connected with a sliding groove on a clamping seat through the sliding pin (305), the sliding pin slides up and down in the sliding groove, the clamping seat is fixedly connected with a rack, the lower end of the ditcher shovel handle (301) is fixedly connected with the ditching disc (302), the ditching disc (302) is of a double-disc structure, the disc shield (303) is arranged above the ditching disc (302), the spring (304) is sleeved on the ditcher shovel handle (301) and is positioned above the disc shield (303), and the periphery of the disc of the ditching disc (302) is in a cutting edge shape;

rear press roller (5) include roller (501), the roll body, roller connecting plate (503), roller curb plate (504) and scraper blade (505), the center of roll body is fixed with roller (501), the even interval of surface of roll body sets up several press roller tooth (502), the both ends of roller (501) are connected with the rear end of roller curb plate (504) respectively, the front end and roller connecting plate (503) fixed connection of roller curb plate (504), roller connecting plate (503) and frame (1) fixed connection, pass through connecting plate fixed connection between the roller curb plate (504) of both sides, scraper blade (505) are located the top of roll body, scraper blade (505) are fixed on the connecting plate, be the slope setting between scraper blade (505) and roller curb plate (504), shower nozzle dead lever (803) are through shower nozzle fixed bar seat (804) and connecting plate fixed connection.

2. The precision seeder of claim 1, wherein: the spiral soil leveling device (6) comprises a power box (601), spiral blades (602), a rotating shaft (603) and a guide cover (604), wherein the top of the power box (601) is connected with a power system of a tractor, an input shaft of the power box (601) is connected with the rotating shaft (603) through a gear, the spiral blades (602) are fixed on the outer sides of the two ends of the rotating shaft 603, and the guide cover (604) is arranged above the spiral blades (602).

3. The precision seeder of claim 1, wherein: spout medicine device (8) and include explosive barrel (801), explosive barrel fixing base (802), shower nozzle dead lever (803) and shower nozzle fixed rod seat (804), explosive barrel (801) set up the front end in frame (1) through explosive barrel fixing base (802), the width direction interval along frame (1) sets up several explosive barrel (801), shower nozzle dead lever (803) set up the top in back press roller (5), shower nozzle dead lever (803) are through shower nozzle fixed rod seat (804) and back press roller (5) fixed connection, the interval sets up the several shower nozzle on shower nozzle dead lever (803).

4. The precision seeder of claim 1, wherein: the fertilizer applying device (7) comprises a fertilizer box (701), a fertilizer applicator (702) and a fertilizer guiding pipe (703), wherein the fertilizer box (701) is fixedly arranged on the upper surface of the rack (1) and arranged along the width direction of the rack (1), the fertilizer applicator (702) is fixedly arranged at the bottom of the fertilizer box (701), the upper end of the fertilizer guiding pipe (703) is connected with the fertilizer applicator (702), and the lower end of the fertilizer guiding pipe is arranged above the fertilizing and ditching device (4).

5. The precision seeder of claim 1, wherein: the distance between the lower edge of the scraper plate (505) and the outer circumference of the roller body is 1-2cm.

Images