CN1286896A

CN1286896A - Seeder

Info

Publication number: CN1286896A
Application number: CN 99118653
Authority: CN
Inventors: 毛瑞忠
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-09-03
Filing date: 1999-09-03
Publication date: 2001-03-14

Abstract

The seeder includes a support, a seed chamber, a seeding wheel, a seed dropping pipe, a ditching device and a transmission mechanism. The seeding wheel inside the seed chamber has one set of radial palms with small cant, which is in the center part of the palm and rotates in the direction opposite to that of the seeding wheel. The seed chamber has seed discharging port in the middle part with the top of the palms being tangent with the inner wall of the seed chamber. The seed dropping pipe is below the seed discharging port. The seeder is suitable for drilling and bunch planting of various seeds in different sizes.

Description

A kind of sower

The present invention relates to sower.

Existing sower form is a lot, and type cellular type, disc type and spoon formula etc. are arranged with regard to seeding wheel, and the seeding wheel structure of preceding two kinds of forms is complicated, the designing requirement height, and cost is also high, is fit to extensive sowing; Spoon formula seeding wheel is on the disk of rotation fixing spoon to be housed, and when turning to certain altitude, the seed in the spoon falls, and flows into kind of pipe, finishes the seeding task.But when this sower Precision Seeding and bunch planting, grain weight control is inaccurate, can not carry out drilling.Chinese patent 85200302 discloses a kind of comprehensive sower with spoon wheel, and original spoon body and seed chamber are improved, and as establish a projection on the spoon body, on spoon body side fixedly wallboard is set, and prevents that spoonful body from come off seed when moving upward; Offer branch kind groove on wallboard makes the seed that fills can fall back to seed chamber from groove more; Offer kind of a road at the opposite side of top of panels, the rear portion of spoon body have one when the spoon body goes to the top downward-sloping little inclined-plane.But the sower structure of this structure is still complicated, and design accuracy requires very high, and falls to planting at the top, and it is long that the spoon body carries the stroke of planting, and easily produces card type and takes off kind.

The objective of the invention is to provide a kind of simple in structure, sowing wheel load kind stroke is short, can effectively prevent card type and take off follow-on sower of planting.

The object of the present invention is achieved like this: sower, comprise support, seed chamber, seeding wheel, kind of a pipe, plough and transmission device fall, described plough is located at frame bottom, the described seeding wheel and kind of the pipe that falls are positioned at after the plough, described seeding wheel is located in the seed chamber, described transmission device links to each other with seeding wheel, it is characterized in that described seeding wheel be provided with one group radially choose the palm, the described centre of the palm of choosing the palm is provided with the little inclined-plane with the seeding wheel switched in opposite; The centre position of described seed chamber side is provided with seed port, and the described inwall of choosing position between the palm top and seed chamber seed port and the bottom is tangent; Described kind of the pipe that falls is located at the seed port below.

This structure, seed port is located at the centre position of seed chamber, choose the palm and provoke seed from the seed chamber bottom, choose the palm centre of the palm and be provided with little inclined-plane with the seeding wheel switched in opposite, turn over about 90 ° and can arrive seed port, fall into kind of a pipe in seed deadweight effect, it is short to carry kind of stroke, is difficult for producing seed and comes off or seeds-blocking phenomenon.The size of choosing the palm can be according to the size design of sow, and usually, the axial length of choosing the palm is slightly longer than seed, is provoking kind of a period of the day from 11 p.m. to 1 a.m like this, seed can be naturally with choose the palm and align at length direction, guarantee only to provoke a seed at every turn, can accurately control sowing quantity.Easy damaged seed not also can be sowed and break the bud kind simultaneously, and the bud head is kept perfectly.Choose the palm and provoke seed number at every turn, therefore, select choosing of different size to slap controlled speed of drilling and quantity by the centre of the palm area decision of choosing the palm.

As a further improvement on the present invention, the described palm little inclined-plane, the centre of the palm of choosing is the cambered surface of indent slightly, choose like this kind more reliable, seed difficult drop-off in fortune kind of process.The preferably described angle α that chooses the palm little inclined-plane, the centre of the palm and choose between the palm rod is 35～50 °, can transport seed reliably like this, can guarantee to tell fast kind again.

Can also a lower inclined plane respectively be set in the described palm both ends of the surface of choosing, like this, unnecessary seed be slipped in the seed chamber from the inclined-plane, two ends.

As a further improvement on the present invention, can also offer 1～3 road groove described choosing on the palm centre of the palm, this structure can be used as the sowing of granule seeds such as sesame, vegetable seed.

As a further improvement on the present invention, the described palm of choosing is provided with two palms on a rod, can once provoke two seeds like this.

As a further improvement on the present invention, described seed port top is provided with sweeps kind of a tongue piece, and this sweeps kind of tongue piece can be a plastic sheet, and perhaps the stainless steel thin slice also can adopt hairbrush, sweeps with being bonded at the seed of choosing palm.

Further improve as the present invention, the described palm of choosing flexibly connects with seeding wheel again, and connected mode can be to be threaded like this, and perhaps the latching type tight fit connects, and can conveniently change like this and choose the palm.

Further improve as the present invention, described plough is the ship type again, and the back is provided with water fender, and described water fender back is provided with twice and is close to plate, and described kind of the pipe that falls is in two zones of being close between the plate.This structure especially is fit to the paddy field sowing, and water fender and be close to plate and can block current does not make it wash away the seed that falls.

Further improve again as the present invention, described plough, water fender and be close to plate and fuse, and adopt guide tracked the connection with support; Described kind of the pipe that falls is connected with the support guide formula.This structure,---------one of seeding wheel---seed chamber---pipe that falls kind is corresponding one by one respectively for two jambs for a water fender for a plough, constitute an operation unit, according to the operation needs several same operation unit can be installed side by side, the distance between the unit (the also line-spacing of promptly sowing) can be regulated by guide rail mutually.

Further improve as the present invention, the axial cross section of described seed chamber bottom is the arc shaped groove shape again, the end height, and the center is low, and seeding wheel working region just, centre, like this, the seed nature helps the seed in the emptying seed chamber to the central area landing.

Further improve as the present invention, described seed chamber is fastened by button benzvalene form chamber body and end cap and forms again, and this structure when the palm is chosen in the need replacing, can be operated as long as open end cap.Best, end cap adopts transparent material, is convenient to observe the working condition in the seed chamber.Described seed chamber top also is provided with pre-kind of case, also is provided with control valve between described pre-kind of case and the seed chamber, after the planting seed in the seed chamber is intact, opens control valve, and the seed of planting in advance in the case just falls in the seed chamber, and sower can work on again.Described control valve can adopt switching regulator, after promptly opening, plants disposable having put of seed in the case in advance; Also can adopt the fall control valve of kind of speed of step-less adjustment, can control kind of a speed according to spacing in the rows between the process of drilling and seed like this, seed in the pre-kind of case is fallen in the seed chamber with certain continuous rhythm, discharge by seeding wheel again, the grain weight in the seed chamber is remained in the suitable scope.

The invention will be further described for following structure drawings and Examples.

Fig. 1 is a structural representation of the present invention.

Fig. 2 is that the A-A of Fig. 1 is to cutaway view.

Fig. 3, Fig. 4 are the structural representations of choosing the palm.

Fig. 5, Fig. 6, Fig. 7 are the left views that different structure is chosen the palm.

Fig. 8 is the amplification view of seed chamber.

Fig. 9 is the right view of Fig. 8.

Figure 10 is the structural representation of nonirrigated farmland sower.

With reference to Fig. 1,2, the support 2 of sower, seed chamber 8, fall kind pipe 5 and plough 3 all adopt working of plastics, make whole device light weight, can not poach when sowing in the paddy field, use small power to get final product work; As a same reason, the support front end is provided with ground ratchet 9, and drive transmission device 1 is located at a side of support, with described ratchet interlock; The power source of sower can be motor or manpower.Described plough is located at frame bottom, successively be provided with seed chamber and funnelform kind of the pipe that falls thereafter, be provided with seeding wheel 14 in the described seed chamber, described transmission device links to each other with the turning cylinder 7 of seeding wheel, described seeding wheel be provided with one group radially choose the palm 13, the centre position of described seed chamber side is provided with seed port 22, and the described inwall of choosing position between the palm top and seed chamber seed port and the bottom is tangent; Described kind of the pipe that falls is located at the seed port below.

Described plough is the ship type, and the back is provided with water fender 10, and described water fender back is provided with twice and is close to plate 4, and described kind of the pipe that falls is just in time in two zones of being close between the plate.Described plough, water fender and be close to plate and fuse, and adopt guide tracked the connection with support; Described kind of the pipe that falls is connected with the support guide formula; Described seeding wheel is by bracing strut 6 horizontal standing on the support 2, and seed chamber and seeding wheel can move axially and be locked between the line-spacing of setting by a locking device along turning cylinder.Sower shown in the figure coaxially is provided with three operation units that are made of plough, water fender, two jambs, seeding wheel, seed chambers and kind of the pipe that falls side by side, and certainly, element number can be provided with flexibly according to the operation needs.

With reference to Fig. 3, the described centre of the palm of choosing the palm is provided with the little inclined-plane 15 with the seeding wheel switched in opposite, and little inclined-plane and the angle α that chooses between the palm rod 17 are 40 °.Described rod bottom is provided with external screw thread 16, and the corresponding position on the wheel hub of seeding wheel is provided with internal thread, the two flexible connection.

Fig. 4 structure is on the basis of Fig. 3 structure, chooses the palm little inclined-plane, the centre of the palm and is the cambered surface 19 of indent slightly.

The centre of the palm 28 of choosing the palm can be designed to different shapes, and is shown in Figure 5, chooses the palm both ends of the surface lower inclined plane 18 respectively is set; The palm of choosing shown in Figure 6 is provided with two palms on a rod; Shown in Figure 7ly offer 2 road grooves 20 on the centre of the palm at the described palm of choosing.

With reference to Fig. 8,9, described seed chamber is fastened by button benzvalene form chamber body 23 and end cap 21 and forms, and end cap adopts transparent material, is convenient to observe the working condition in the seed chamber.From Fig. 9, the axial cross section of seed chamber bottom 24 is the arc shaped groove shape.The seed port top is provided with plastics and sweeps kind of tongue piece 27.Described seed chamber top also is provided with pre-kind of case 11, also is provided with control valve 12 between described pre-kind of case and the seed chamber.

The sower of said structure is mainly used in the paddy field sowing, on this basis, with reference to Figure 10, changes described ground ratchet into conventional tyre 25, and plough adopts upright cutter formula, just can use in the nonirrigated farmland.Kind of the pipe bottom that falls is provided with a spiral seeder 30, and the slowly landing of spiral groove that seed is offered on seeder prevents that seed is landing the back bounce-back.Can also divinatory symbol plate 31 be set in the front and back of kind of the pipe that falls, make seed drop on before and after in the square box that surrounded of divinatory symbol plate and two jambs, can control kind of a position effectively like this, make bunch planting and drilling more accurate.Add soil-covering plate 29 at the tail end that is close to plate, the soil that plough has been dug covers on the seed of broadcasting again, and the seed that protection is broadcast is not exposed to wind and rain or eaten up by the insect mouse.Load onto push rod 26 in the back of support, the moving sowing tried hard to recommend in personnel selection.The nonirrigated farmland sowing requires fuselage heavier, and critical piece can adopt metal material to make, and also can add pouring weight on fuselage, drives work with tractor.

Claims

1, a kind of sower, comprise support (2), seed chamber (8), seeding wheel (14), pipe (5), plough (3) and a transmission device (1) fall kind, described plough is located at frame bottom, the described seeding wheel and kind of the pipe that falls are positioned at after the plough, described seeding wheel is located in the seed chamber, described transmission device links to each other with seeding wheel, it is characterized in that described seeding wheel be provided with one group radially choose the palm (13), the described centre of the palm of choosing the palm is provided with the little inclined-plane (15) with the seeding wheel switched in opposite; The centre position of described seed chamber side is provided with seed port (22), and the described inwall of choosing position between the palm top and seed chamber seed port and the bottom is tangent; Described kind of the pipe that falls is located at the seed port below.

2, sower as claimed in claim 1 is characterized in that the described palm little inclined-plane, the centre of the palm of choosing is the cambered surface of indent (19) slightly.

3, sower as claimed in claim 1 is characterized in that the described angle α that chooses the palm little inclined-plane, the centre of the palm and choose between the palm rod (17) is 35～50 °.

4, sower as claimed in claim 1 is characterized in that the described palm both ends of the surface of choosing are provided with lower inclined plane (18).

5, sower as claimed in claim 1 is characterized in that described seed port top is provided with to sweep kind of a tongue piece (27).

6, sower as claimed in claim 1 is characterized in that the described palm of choosing flexibly connects with seeding wheel.

7, sower as claimed in claim 1 is characterized in that described plough is the ship type, and the back is provided with water fender (10), and described water fender back is provided with twice and is close to plate (4), and described kind of the pipe that falls is in two zones of being close between the plate.

8, sower as claimed in claim 7 is characterized in that described plough, water fender and is close to plate fusing, and adopts guide tracked the connection with support; Described kind of the pipe that falls is connected with the support guide formula.

9, sower as claimed in claim 1 is characterized in that described seed chamber is formed by button benzvalene form chamber body (23) and end cap (21) fastening, and bottom (24) axial cross section is the arc shaped groove shape.

10, sower as claimed in claim 1 is characterized in that described seed chamber top also is provided with pre-kind of case (11), also is provided with control valve (12) between described pre-kind of case and the seed chamber.