CN203279487U

CN203279487U - Air-aspiration type seed-sowing machine

Info

Publication number: CN203279487U
Application number: CN2013201539566U
Authority: CN
Inventors: 马强; 马秋平
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-31
Filing date: 2013-03-31
Publication date: 2013-11-13
Anticipated expiration: 2023-03-31

Abstract

The utility model relates to an air-aspiration type seed-sowing machine, which comprises a fertilizing mechanism, more than one seed-sowing mechanism, a ditching mechanism and a land wheel mechanism, wherein the seed-sowing mechanisms are arranged at intervals, and adopt a air-aspiration type seed-metering device to realize precise seed-metering; a weed separating mechanism, a depth-control wheel, an earthing press wheel and the like are arranged on the seed-sowing machine as well. The air-aspiration type seed-sowing machine can sow crop seeds including corn, sorghum, beans, sugar beet (coated seed) and the like in an accurate single grain manner; operations including ditching, fertilizing, seeding, earthing, and pressing can be performed during sowing, and thus combined operation can be achieved.

Description

A kind of pneumatic seeder

Technical field

The utility model relates to a kind of agricultural machinery, particularly about a kind of pneumatic seeder.

Background technology

In China, the R and D of precision planter start from the beginning of the seventies, also are not widely used so far at present.With abroad compare, the precise sowing technology of China also has sizable gap.Sower on present domestic sower market is the parts take external recessing as core work mostly, although model is a lot, but because the structure of external feed is limit, nonunf ormity in seeding pulsating nature and kind cunette, precise sowing still are difficult to realize.In addition, the seeding unit of domestic sower is because operation principle is limit, and seeding efficiency is very low.The most domestic sower still can't be completed integration of operation at present, and complete machine operation effect is low.

Summary of the invention

For the problems referred to above, the purpose of this utility model is to provide that a kind of seeding efficiency is high, seeding pulsating nature and to plant in cunette distributing homogeneity good, can once complete trench digging, fertilising, sowing, earthing, the integrated pneumatic seeder of suppression.

for achieving the above object, the utility model is taked following technical scheme: a kind of pneumatic seeder, comprise frame, described frame comprises crossbeam, the fertilising support, the sowing support, opener post and hanger bracket, described fertilising support symmetry is installed in the axial top of crossbeam, its upper support is provided with fertilizer can, described sowing support is more than one group, interval row is located at the crossbeam below successively, its upper support is provided with seed-box, described opener post is parallel four-bar linkage, interval is arranged on the axial below of crossbeam, and correspondence is connected with the sowing support, nearly crossbeam one side of described opener post is equipped with the disc type applicator boot, this disc type applicator boot is connected with fertilizer can by fertilizer delivering pipe, described opener post is equipped with shovel formula seed opener away from crossbeam one side, this shovel formula seed opener is connected with air-suction seeding unit by grain tube, described hanger bracket is arranged on the middle part of crossbeam, which is provided with a blower fan combination, also be symmetrically installed with the land wheel combination below described crossbeam, between described land wheel combination and seed-box, power is connected with an air-suction seeding unit, this air-suction seeding unit is connected with the blower fan combination.

Described air-suction seeding unit comprises air-suction chamber, be provided with a negative pressure cavity with negative pressure initiating terminal and end in this air-suction chamber, described negative pressure cavity is connected with the blower fan combination by the aspiration pipe, described air-suction chamber one side is provided with the seed chamber that is connected with seed-box, described seed chamber bottom is provided with the seed plate chamber suitable and hinged with it with air-suction chamber, seed plate is equipped with in the seed plate chamber, be provided with some suction holes on described seed plate, the center of seed plate is fixedly connected with an end of a feed shaft, and the other end of feed shaft connects the land wheel combination by a bevel gear transmission.

Also be provided with one in described seed chamber for the seed scraping device that scrapes off absorption unnecessary seed in suction hole place on seed plate, the seed chamber side between described air-suction chamber and seed plate is provided with a negative pressure adjusting device.

Described negative pressure adjusting device consists of fixed head I, fixed head II, fixed head III, movable plate, balancing point, connecting plate, described fixed head I, fixed head II are welded on the seed chamber sidewall, fixed head III upper end is welded on the fixed head I, lower end is welded on the fixed head II, movable plate is arranged on fixed head III inboard and presses close to the seed chamber sidewall, can move left and right along fixed head I, fixed head II border, the balancing point lowermost end connects with the fixed head III, connected with connecting plate one end in slightly last minute, the connecting plate other end connects with movable plate.

Be fixed with gauge wheel below nearly described disc type applicator boot one side sowing support, in gauge wheel one side, away from the sowing support side of crossbeam, be fixed with the suppression of soil combination, near below the sowing support of crossbeam one side, be fixed with one minute careless mechanism.

Described crossbeam two ends are equipped with marker.

The utility model is owing to taking above technical scheme, but the crops such as simple grain precise spot-sowing corn, Chinese sorghum, beans, beet (pelleted seed).Can ditch simultaneously during operation, apply fertilizer, sowing, earthing, suppression operation, realize integration of operation, concrete beneficial effect is embodied in: 1, fertilising, planter quantity and spacing all can be regulated, and can adapt to different soil properties, different crop job requirements.2, the kind dish of air-suction seeding unit is replaceable, and different crops only need be changed kind of dish just can meet job requirements.3, the plough ground clearance all can be regulated, so ditching depth, and sowing depth all can regulate, and adapts to various operation situations.4, negative pressure adjusting device can be regulated the area that is used for the hole of absorbed seed on seeding unit kind dish, thereby changes vacuum magnitude, and then regulates the adhesive rate of seed.5, be connected with grass divider, straw winding in the time of can making the sower operation, do not stop up.6, be connected with gauge wheel, gauge wheel contacts with ground, and profiling is advanced, and can play the effect of controlling tilling depth.7, be connected with the suppression of soil wheel, can carry out the suppression of soil operation, really realize trench digging, fertilising, sowing, earthing, suppression integration of operation.8, be connected with marker, can guarantee to sow the uniformity of line-spacing.

Description of drawings

Fig. 1 is side-looking structural representation of the present utility model

Fig. 2 is main TV structure schematic diagram of the present utility model

Fig. 3 is the structural representation of air-suction seeding unit in the utility model

Fig. 4 is the main TV structure schematic diagram of seed chamber of air-aspiration type seeding apparatus in the utility model

Fig. 5 is the side-looking structural representation of seed chamber of air-aspiration type seeding apparatus in the utility model

Fig. 6 is the structural representation of air-suction seeding unit negative pressure adjusting device in the utility model

Embodiment

Below in conjunction with drawings and Examples, the utility model is described in detail.

Embodiment 1

referring to Fig. 1 and Fig. 2, a kind of pneumatic seeder that the utility model provides, comprise frame 1, described frame 1 comprises crossbeam 1a, fertilising support 1b, sowing support 1c, opener post 1d and hanger bracket 1e, described fertilising support 1b symmetry is installed in the axial top of crossbeam 1a, its upper support is provided with fertilizer can 2, described sowing support 1c is more than one group, interval row is located at crossbeam 1a below successively, its upper support is provided with seed-box 3, described opener post 1d is parallel four-bar linkage, interval is arranged on the axial below of crossbeam 1a, and correspondence is connected with sowing support 1c, nearly crossbeam 1a one side of described opener post 1d is equipped with disc type applicator boot 4, this disc type applicator boot 4 is connected with fertilizer can 2 by fertilizer delivering pipe 5, described opener post 1d is equipped with shovel formula seed opener 6 away from crossbeam 1a one side, this shovel formula seed opener 6 is connected with air-suction seeding unit 8 by grain tube 7, described hanger bracket 1e is arranged on the middle part of crossbeam 1a, which is provided with a blower fan combination 13, also be symmetrically installed with land wheel combination 14 below described crossbeam 1a, between described land wheel combination 14 and seed-box 3, power is connected with an air-suction seeding unit 8, this air-suction seeding unit 8 is connected with blower fan combination 6.

referring to Fig. 3 and Fig. 4, described air-suction seeding unit 8 comprises the 8a of air-suction chamber, be provided with a negative pressure cavity 8b with negative pressure initiating terminal and end in the 8a of this air-suction chamber, described negative pressure cavity 8b is connected with blower fan combination 3 by aspiration pipe 8c, the described 8a of air-suction chamber one side is provided with the seed chamber 9 that is connected with seed-box 3, described seed chamber 9 bottoms are provided with the seed plate chamber 9a suitable and hinged with it with the 8a of air-suction chamber, seed plate 9b is equipped with in the 9a of seed plate chamber, be provided with some suction hole 9b-1 on described seed plate 9b, referring to Fig. 4 and Fig. 5, seed plate 9bDe center is fixedly connected with an end of a feed shaft 10, the other end of feed shaft 10 connects land wheel combination 7 by a bevel gear transmission.

During use, can draw by trailing equipments such as tractors, produce power and drive seeding unit after land wheel combination 7 rotations and rotate, process negative pressure starting end when seed plate 9b is moving, due to suction function, seed is adsorbed on seed plate 9b, when turning over certain angle and having arrived the negative pressure cavity end, negative pressure disappears, and seed is because Action of Gravity Field descends, fall into by grain tube the ditch that shovel formula seed opener 6 is left, realize the seeding process.

Also be provided with a seed scraping device 11 in seed chamber 9, seed scraping device 11 can scrape off the unnecessary seed of seed plate 9b upper suction hole 9b-1 place absorption.

Seed chamber 9 sides between the 8a of air-suction chamber and seed plate 9b are provided with a negative pressure adjusting device 12, thereby can regulate the seed adhesive rate, realize precise sowing.

Referring to Fig. 6, described negative pressure adjusting device 12 consists of fixed head I 12a, fixed head II 12b, fixed head III 12c, movable plate 12d, balancing point 12e, connecting plate 12f.9 apertures, 9 gears of correspondence are respectively distributing on fixed head I 12a.

Fixed head I 12a, fixed head II 12b are welded on seed chamber 9 sidewalls, and fixed head III 12c upper end is welded on fixed head I 12a, and lower end is welded on fixed head II 12b.Movable plate 12d is arranged on fixed head III 12c inboard and presses close to seed chamber 9 sidewalls, can move left and right along fixed head I 12a, fixed head II 12b border.Balancing point 12e lowermost end connects with fixed head III 12c pin, connected by pin with connecting plate 12f one end in slightly last minute, the connecting plate 12f other end connects with movable plate 12d pin, when balancing point 12e rotates, can drive connecting plate 12f side-to-side movement, thereby drive the motion back and forth of movable plate 12d left and right, when movable plate 12d moves left and right, its part of stretching out can be blocked the size of the upper suction hole 9b-1 area of seed plate 9b, thereby change the size of seed plate 9b opposite side negative pressure, and reach thus the purpose of regulating the seed adhesive rate.

Embodiment 2

, in order to make sower in embodiment 1 ditching, when fertilising, seeding operation, can carry out simultaneously the integration of operation of weeding earthing, suppression, weeding.Can be fixedly installed a gauge wheel 15 below nearly disc type applicator boot 4 one side sowing support 1c,, near being fixedly installed a suppression of soil combination 16 below the sowing support 1c of each gauge wheel 15 1 side away from crossbeam 1a, near below the sowing support 1c of crossbeam 1a one side, be fixedly installed one minute careless mechanism 17.

Embodiment 3

In order to guarantee to sow the uniformity of line-spacing, can marker 18 be installed at crossbeam 1a two ends, this marker 18 can adopt hydraulic pressure to control.

The various embodiments described above only are used for explanation the utility model; wherein the structure of each parts, connected mode etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.

Claims

1. pneumatic seeder, it is characterized in that: it comprises frame (1), described frame (1) comprises crossbeam (1a), fertilising support (1b), sowing support (1c), opener post (1d) and hanger bracket (1e), described fertilising support (1b) is installed in the axial top of crossbeam (1a), its upper support is provided with fertilizer can (2), described sowing support (1c) is more than one group, interval row is located at crossbeam (1a) below successively, its upper support is provided with seed-box (3), described opener post (1d) interval is arranged on axially below of crossbeam (1a), and correspondence is connected with sowing support (1c), nearly crossbeam one side of described opener post (1d) is equipped with disc type applicator boot (4), this disc type applicator boot (4) is connected with fertilizer can (2) by fertilizer delivering pipe (5), described opener post (1d) is equipped with shovel formula seed opener (6) away from crossbeam (1a) side, this shovel formula seed opener (6) is connected with air-suction seeding unit (8) by grain tube (7), described hanger bracket (1e) is arranged on the middle part of crossbeam (1a), which is provided with a blower fan combination (13), also be symmetrically installed with land wheel combination (14) in described crossbeam (1a) below, between described land wheel combination (14) and seed-box (3), power is connected with an air-suction seeding unit (8), this air-suction seeding unit (8) is connected with blower fan combination (13).

2. a kind of pneumatic seeder as claimed in claim 1, it is characterized in that: described fertilising support (1b) is two groups, symmetry is installed in axially top of crossbeam (1a).

3. a kind of pneumatic seeder according to claim 1, it is characterized in that: described opener post (1d) is parallel four-bar linkage.

4. according to claim 1, 2 or 3 described a kind of pneumatic seeders, it is characterized in that: described air-suction seeding unit (8) comprises air-suction chamber (8a), be provided with a negative pressure cavity (8b) with negative pressure initiating terminal and end in this air-suction chamber (8a), described negative pressure cavity (8b) is connected with blower fan combination (3) by aspiration pipe (8c), described air-suction chamber (8a) side is provided with the seed chamber (9) that is connected with seed-box (3), described seed chamber (9) bottom is provided with the seed plate chamber (9a) suitable and hinged with it with air-suction chamber (8a), seed plate (9b) is equipped with in seed plate chamber (9a), be provided with some suction holes (9b-1) on described seed plate (9b), the center of seed plate (9b) is fixedly connected with an end of a feed shaft (10), the other end of feed shaft (10) connects land wheel combination (14) by a bevel gear transmission.

5. a kind of pneumatic seeder according to claim 4 is characterized in that: also be provided with one in described seed chamber (9) and be used for scraping off the upper suction hole (9b-1) of seed plate (9b) and locate to adsorb the seed scraping device (11) of unnecessary seed.

6. a kind of pneumatic seeder according to claim 4, it is characterized in that: seed chamber (9) side between described air-suction chamber (8a) and seed plate (9b) is provided with a negative pressure adjusting device (12).

7. a kind of pneumatic seeder according to claim 6, it is characterized in that: described negative pressure adjusting device (12) is by fixed head I (12a), fixed head II (12b), fixed head III (12c), movable plate (12d), balancing point (12e), connecting plate (12f) forms, described fixed head I (12a), fixed head II (12b) is welded on seed chamber (9) sidewall, fixed head III (12c) upper end is welded on fixed head I (12a), lower end is welded on fixed head II (12b), movable plate (12d) is arranged on fixed head III (12c) inboard and presses close to seed chamber (9) sidewall, can be along fixed head I (12a), fixed head II (12b) border moves left and right, balancing point (12e) lowermost end connects with fixed head III (12c), connected with connecting plate (12f) end in slightly last minute, connecting plate (12f) other end connects with movable plate (12d).

8. a kind of pneumatic seeder according to claim 1, is characterized in that: in nearly described disc type applicator boot (4) one side sowing support (1c) belows, be fixed with gauge wheel (15).

9. a kind of pneumatic seeder according to claim 7, is characterized in that: be fixed with suppression of soil combination (16) below the sowing support (1c) of gauge wheel (15) one sides away from crossbeam (1a).

10. according to claim 1,7 or 8 described a kind of pneumatic seeders, is characterized in that: in the below of the sowing support (1c) near crossbeam (1a) side, be fixedly installed one minute careless mechanism (17).

11. a kind of pneumatic seeder according to claim 1 is characterized in that: described crossbeam (1a) two ends are equipped with marker (18).