CN2579144Y

CN2579144Y - Air blowing type single seed planter

Info

Publication number: CN2579144Y
Application number: CN 02259241
Authority: CN
Inventors: 孙玉柱
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-10-18
Filing date: 2002-10-18
Publication date: 2003-10-15
Anticipated expiration: 2012-10-18

Abstract

The utility model discloses an improved air blowing type single seed sowing machine which is composed of a plurality of sowing single bodies; each sowing single body is connected to the machine frame through an upper and a lower connecting rods, both ends of the machine frame are supported by ground wheels and are connected with a hydraulic lifting mechanism of a tractor, and a fertilizer case, a blower, etc., are also arranged. The utility model can ensure the precision control of sowing and actually achieves that the seeds in a seed bed are sowed one by one with equal distance space, broken seedlings are not needed, the mu seed quantity which is computed according to ji in the past is thoroughly changed into that mu seed quantity which is computed according to granular, and the mu seed quantity is reduced in multiple; the sowing can also be carried out at night, which is achieved, and simultaneously, the utility model can adapt the work in uneven ground and ensures sowing quality.

Description

The air-sweeping type single seed drill

Technical field: the utility model relates to the agricultural seeding machine tool.

Background technology: sower is the machinery that the peasant uses always, and normal and tractor is united use.In use there is following defective in existing sower: one, under the uneven situation of seed size, can not realize monoseeding, in order to ensure emergence rate, can only lean on the increase seeding quantity, wait then and carry out thinning again after emerging.So not only waste seed, and increased workload, also influenced the normal growth in seedling stage, wasted a large amount of elite seeds.Two, many of existing sower mostly unified being fixed on the crossbeam of sowing leg, and then crossbeam is connected with tractor.This kind connected mode is when running into ground injustice or slope land, if a sowing leg is in a ground high position, other sowing legs degree of depth of stretching into soil layer is just not enough even unsettled as a result, thereby influences emergence rate.Three, existing sower can not be realized the sowing at night.In sowing time generally is rainless few moisture in the soil, in case good soil moisture content is arranged, therefore existing sower wastes the good soil moisture content in evening owing to can only sow by day.Four, existing sower, especially air blowing type sower, its pneumatic power also is to be provided by tractor, but tractor is low when high during rotating speed in the process of moving, so blower fan power can not guarantee steadily so just to cause seed to cut in and out, and shoot-breaking phenomenon occurs.

Technical purpose: the purpose of this utility model provides the air-sweeping type single seed drill after a kind of the improvement, it can not only guarantee to sow smart amount control, really reaching the interior seed of kind of bed is that one one intergranular is every sowing, and realized sowing as usual night, the utility model can also adapt to the rugged ground operation simultaneously, and guarantees seeding quality.

Technical scheme: the purpose of this utility model is achieved in that

The utility model is made up of several planters, and each planter is connected on the frame by upper and lower strut respectively, and the frame two ends are supported by the ground crop rotation, are equipped with parts such as fertilizer can, blower fan again, are connected with the hydraulicefficiency elevation structure of tractor then.

Each planter comprises housing, seed plate, driving chain, plough, electronic warning display and seed-box, ajutage, trailing bar and the pinch roller etc. that shakes.

Described housing is upright circle, seed-box and ajutage in the housing upper fixed, seed inlet and air outlet is arranged on the housing wall correspondingly, and feed in the housing.

Seed plate is positioned at housing, and the axle of seed plate is installed on the housing and sees through a side shell wall, and seed plate is for having certain thickness round platform, and intermediate recess has several taper whirlpool eyes along the seed plate perisporium, and all there is an air-vent in each eyeground, whirlpool portion.

The shaft extension of above-mentioned seed plate goes out partial fixing sprocket wheel, and this sprocket wheel links to each other with land axle on the frame by chain, when land wheel rotates, and the also corresponding rotation of seed plate.

At the sidewall of housing, the connecting rod that respectively is hinged up and down, the other end of connecting rod is hinged on frame, and upper and lower strut is formed the double connecting rod of planter jointly; When a certain planter runs into not level land or slope land, because the effect of connecting rod and do not influence other with it not in the sowing depth of conplane planter.

Plough is installed in the below of housing, and plough is the two guard board structures of single ploughshare cutter, and the ploughshare cutter is preceding, backplate after; With on the corresponding housing wall in backplate position sowing port is arranged, seed when the seeding dribbling and turn to herein, seed owing to the deadweight fall into kind of a bed through sowing port, backplate.

At the opposite side of the housing relative with connecting rod, connect the pinch roller that shakes by pull bar, a pair of trailing bar also is set shaking between pinch roller and the housing;

The pinch roller that shakes is installed together by two bevel wheels to be formed, wherein path one side relatively, the centre fixed gap of being separated by.

Trailing bar is L shaped, and end is slightly to invagination.

The electronic warning display is made up of three parts: light sensation receiver, connection lead and display.The light sensation receiver is installed in plough backplate inside front, and its effect is to counting through the single seed of sowing port, and time-delay is discharged or stopped situation such as discharge and carries out alarm to seed; Connect lead and be used for connecting light sensation receiver and display, transmit light-sensing signal; Display is installed in the driver's cabin, can show sowing grain number, then sends alarm signal if any the false alarm device.

Blower fan adopts independent power air feed, and blower fan is installed on the frame, and blower fan links to each other with air outlet on the housing by ajutage.

Described in detail below in conjunction with accompanying drawing.

Fig. 1 is a planter structure diagram of the present utility model

Fig. 2 is the structure diagram of planter master apparent direction;

Fig. 3 is the structure diagram of apparent direction behind the planter;

Fig. 4 is the structure diagram of display.

As shown in the figure: seed-box 1 and ajutage 2 in housing 17 upper fixed, and have in seed inlet 14 and air outlet 15 and the housing and communicate; Seed plate 13 is positioned at housing 17, along seed plate 13 perisporiums several taper whirlpool eyes 12 is arranged, and an air-vent 23 is all arranged at each whirlpool eye 12 bottom; The shaft extension of seed plate 13 goes out partial fixing sprocket wheel 3, and this sprocket wheel 3 links to each other with the land axle of frame 19 by chain 4.

Last connecting rod 5 and lower link 6 are hinged together housing 17 and frame 19; Upper and lower connecting rod is formed the double connecting rod of planter jointly;

Plough 7 is installed in the below of housing 17, and plough 7 is the two guard board structures of single ploughshare cutter, and the ploughshare cutter is preceding, backplate after, the ploughshare cutter is used for trench digging, backplate is used for retaining soil, enters kind of a bed in order to seed.

With on the wall of the corresponding housing 17 in plough 7 upper guard board positions sowing port 8 is arranged, be with seed when seed plate 13 and turning to herein, seed is owing to deadweight falls into kind of a bed through sowing port 8, backplate.

At the opposite side of the housing relative 17 with upper and lower strut, connect the pinch roller 11 that shakes by pull bar, between pinch roller 11 and the housing 13 pair of L-shaped trailing bar 10 is set also shaking;

The pinch roller 11 that shakes is installed together by two bevel wheels to be formed, wherein path one side relatively, the centre fixed gap of being separated by, this space helps seed sprouting and growth of seedling.

The end of L shaped trailing bar 10 is slightly to invagination, and this shape helps native pushed home that plough is dug out.

Light sensation receiver 9 is installed in plough backplate inside front, and its effect is that the single seed that falls through sowing port 8 is counted, and time-delay is discharged or stopped situation such as discharge and carries out alarm to seed; Display 22 is installed in the driver's cabin, can show sowing quantity, receive alarm signal and send chimes of doom; The light sensation receiver connects by being connected lead 21 with display.

Blower fan 20 adopts independent power air feed, and blower fan 20 is installed on the frame 19, and links to each other with air outlet 15 on the housing 17 by ajutage 2, and blower fan 20 unified air outlets to each planter are blown.Adopt independent power air feed, can make wind-force steadily, evenly, or not do not accomplish precision drilling really because of tractor dynamic power changes the reliability that influences sowing.

Also having a hole in housing 17 fronts---the wind that air vent 16, blower fan 20 are sent in the housing 17 is discharged in the hole thus.

During work, the tractor-drawn sower travels forward, land wheel 18 on the sower is owing to the frictional force on ground is rotated, and the seed plate 13 that drives in the sower by chain 4 rotates, several whirlpool eyes 12 are arranged on the seed plate 13, when the whirlpool eye 12 on the seed plate 13 turns to seed when entering the mouth 14 lower zones, the seed in the seed-box 1 is owing to gravity is full of whirlpool eye 12; Seed plate 13 is rotated further then, when the whirlpool eye 12 that is full of seed turned to air outlet 15 lower zones, because there is an aperture 23 in eyeground, whirlpool portion, therefore the wind that enters in the whirlpool eye 12 can produce draught head, except that a seed that is close to whirlpool eye 12 bottoms, all the other seeds are all rinsed out the whirlpool eye by wind; Seed plate 13 is rotated further, and the whirlpool eye 12 that has a seed changes the zone between air outlet 15 and the sowing port 8 over to, and this moment, wind was cut off, and seed is in free state; Seed plate 13 is rotated further, and has only the whirlpool eye 12 of a seed to change the below one of seed plate 13-be sowing port 8 tops this moment over to, and seed falls because of action of gravity, discharges from sowing port 8, and through having the electronic counter 9 of light sensation receiver, falls into kind of a bed at last.

In the sowing process, to plant or an animal-drawn seed plough phenomenon of choking if take place not arrange in 2 seconds, light sensation receiver 9 can reach display 22 with signal and carry out alarm;

When a certain planter runs into not level land or slope land, do not influence other owing to adopt the double link mode to be connected between planter and the frame with it not in the sowing depth of conplane planter.

After sowing was finished, the soil that trailing bar 10 digs out plough 7 pushed back in kind of the bed, covered seed, and 11 of the pinch rollers that shake that are positioned at trailing bar 10 back will be planted the top loosened soil compacting of bed, play the effect of soil moisture conservation, anti-soil compaction.

Beneficial effect:

Because all there is an aperture in each eyeground, whirlpool section of discharge plate, so the whirlpool intraocular can only keep A seed so more save seed than any seeding machinery, has guaranteed the full stand rate; Exist simultaneously Save the thinning operation after emerging, saved man-hour.

Each planter adopts the double link mode to link to each other with frame, at out-of-flatness or slope land Can sow the depth by Self-adjustment, make the growth of seedling gesture neat.

Adopt the electronical display warning system, the seed grain number of sowing carried out accurate counting show, And to scarce kind, leakage kind, sterilization, an animal-drawn seed plough of choking warning, so that also can sow evening, can Catch the moisture in the soil machine, shorten the sowing duration.

Adopt the separate power air feed, guarantee that the smart amount of seed is arranged in the whirlpool intraocular on the discharge plate, carries The reliability of high monoseeding.

Increase trailing bar and the pinch roller that shakes, the kind bed that excavates can in time be covered, guaranteed soil water Divide and do not evaporated in a large number, play the effect of further soil moisture conservation.

Claims

1, a kind of air-sweeping type single seed drill is made up of housing, seed plate, plough, electronic warning display and seed-box, trailing bar and the pinch roller that shakes, land wheel etc., it is characterized in that:

Seed plate is positioned at housing, along the seed plate perisporium several taper whirlpool eyes is arranged, and all there is an air-vent in each eyeground, whirlpool portion;

At the sidewall of housing, the connecting rod that respectively is hinged up and down, the other end of connecting rod is hinged on frame;

The electronic warning display is made up of three parts: light sensation receiver, connection lead and display; The light sensation receiver is installed in plough backplate inside front; Connect lead and be used for connecting light sensation receiver and display; Display is installed in the driver's cabin.