CN101273682A

CN101273682A - Multipurpose seed-feeding device with precise small quantities for rice, wheat and oil

Info

Publication number: CN101273682A
Application number: CNA2008100238476A
Authority: CN
Inventors: 何增富; 卞丽娜; 胡健; 黄修德; 李继伟; 詹国祥; 郭伟
Original assignee: ZHENJIANG AGRICULTURAL MACHINERY TECHNIQUE POPULARIZATION STATION
Current assignee: ZHENJIANG AGRICULTURAL MACHINERY TECHNIQUE POPULARIZATION STATION
Priority date: 2008-04-18
Filing date: 2008-04-18
Publication date: 2008-10-01

Abstract

The invention belongs to the agricultural machinery and relates to a multifunctional seeding unit with little precision for rice, wheat and oil used on automatic seeding machinery, which comprises a seed box and a seed shaft that passes through the seed box longitudinally, the top of the seed box is a seed inlet and the bottom thereof is a seed outlet; the seed shaft is sheathed with a seed cell wheel and a seed roller which are arranged in parallel, the seed cell wheel and the seed roller can move axially along with the seed shaft to partially or completely go in or out of the seed box, and the outside ends of the seed cell wheel and the seed roller are respectively provided with an engaging and disengaging gear. The multifunctional seeding unit of the invention can use different seed wheels according to different seeds, thus expanding the application range of the seeding unit, can additionally realize the adjustment for seeding capacity and the switchover of the seed wheel by the axial movement of the seed shaft, and can be applicable to the needs of seeding with little precision, and has convenient and reliable operation.

Description

A kind of paddy and wheat, oily multipurpose seed-feeding device with precise small quantities

Technical field

The invention belongs to agricultural machinery, relate to a kind of a kind of paddy and wheat that on the seeding plough tool, uses, oily multipurpose seed-feeding device with precise small quantities.

Background technology

The grain seeder of China adopts common plastics outer groove wheel seeding unit mostly.This class seeding unit mainly contains three kinds of 10 grooves, 16 groove straight troughs and 16 groove skewed slots, mainly is fit to the constant sowing usefulness of larger particles seeds such as wheat, corn, beans, jowar and millet, and the mu amount of broadcasting reaches about 4-12kg.For example Jiangsu Province and contiguous provinces and cities large-scale popularization " south of the River 2BG-6A type rice wheat drilling machine " that use.Because large tracts of land is promoted the live and rice mechanization direct-sowing dry technology of rape mechanization at present, common plastics outer groove wheel seeding unit can not adapt to the seeding requirement of these two kinds of crops.On the one hand, common plastics outer groove wheel seeding unit discharge capacity when minimum operating position is bigger, can not adapt to granule seed such as rape and only be the defective ejaculation amount seeding about 0.2kg for every mu.On the other hand, during the work of common plastics outer groove wheel seeding unit, the minimum active length of sheave must not require less than 1.2 times of seed lengths, otherwise will aggravate the fragmentation of seed, can not adapt to the defective ejaculation amount seeding about every mu of 2.5-3kg of paddy rice.

Summary of the invention

Technical problem to be solved by this invention is, provide a kind of rational in infrastructure, can adapt to the seeding of various crop seed, can adjust amount of seed metering and paddy and wheat easy to use, oily multipurpose seed-feeding device with precise small quantities.

Paddy and wheat of the present invention, oily multipurpose seed-feeding device with precise small quantities include a seeds discharging box and vertically run through the feed shaft of seeds discharging box, and the seeds discharging box top is a seed inlet, and the seeds discharging box bottom is a sowing port; Be set with seeding nest eye wheel and a feed roll on the feed shaft side by side, seeding nest eye wheel and feed roll can with feed shaft move axially and make seeding nest eye take turns and feed roll partly or entirely into and out of seeds discharging box; Outboard end at seeding nest eye wheel and feed roll is respectively arranged with arrangement of clutch, a kind of operating position of arrangement of clutch can make feed shaft be connected and common rotation with seeding nest eye wheel or feed roll, and the another kind of operating position of arrangement of clutch can make feed shaft and seeding nest eye wheel or feed roll throw off and empty cover.Be respectively arranged with kind of brush and the clear closure plate of planting above the feed shaft both sides in seeds discharging box.

Described seeding nest eye wheel comprises a rotatable outer cylinder body, be placed with the nest eye that connects barrel on the barrel of outer cylinder body, in outer cylinder body, be provided with a fixing cylindrical shape inner liner, thereby press close to mutually with the outer cylinder body inwall can be with the bottom lock of nest eye for the inner liner outer wall.

Described inner liner is the incomplete cylindrical shape that the bottom has breach, indentation, there at inner liner is provided with a seed pushing wheel, be distributed with on the seed pushing wheel outer wall and push away kind of a tooth, push away kind of tooth and mesh, seed pushing wheel can be rotated under the drive of outer cylinder body from the nest eye on inboard and the outer cylinder body.

Have axial seed distributing groove on the described feed roll, be with a back-up ring on seed distributing groove, the inwall of back-up ring is provided with the key that matches with seed distributing groove, and back-up ring can be rotated with feed roll, back-up ring is axially stopped spacing by the box body of seeds discharging box, back-up ring is not moved axially with feed roll.

The present invention has been owing to be arranged side by side seeding nest eye wheel and feed roll on a feed shaft, can different seed wheels be come into operation according to the difference of seed, enlarged the scope of application of seeding unit; In addition, can realize the adjustment of discharge capacity and the switching of seed wheel by moving axially of feed shaft, applicable to the needs of defective ejaculation amount seeding, easy to operate, reliable.

Description of drawings

Fig. 1 is a vertical section structure schematic diagram of the present invention;

Fig. 2 is the A cross section structure schematic diagram of Fig. 1;

Fig. 3 is the B cross section structure schematic diagram of Fig. 1.

Embodiment

Include in the accompanying drawing: seeds discharging box 1, seed inlet 11, sowing port 12, plant brush 13, clearly plant closure plate 14, feed shaft 2, seeding nest eye wheel 3, nest eye 31, outer cylinder body 32, inner liner 33, breach 34, seed pushing wheel 35, push away kind of tooth 36, feed roll 4, seed distributing groove 41, back-up ring 5, key 51, arrangement of clutch 6.

As shown in Figure 1, in the embodiment of the invention, feed shaft 2 and be sleeved on seeding nest eye wheel 3 on the feed shaft and feed roll 4 vertically runs through seeds discharging box 1 and can move axially.In the use, seed enters from the seed inlet 11 at seeds discharging box top, and the rotation by seeding nest eye wheel 3 or feed roll 4 brings to sowing port 12 with seed and discharges.Can change the seeding nest eye wheel that enters in the seeds discharging box 1 or the active length of feed roll by moving axially of feed shaft 2, thereby can adjust discharge capacity.

Selection is connected seeding nest eye wheel 3 or feed roll 4 with feed shaft 2 and rotates jointly and come into operation by arrangement of clutch 6.Seeding nest eye wheel can be used for the seeding than seedlet such as rape, and feed roll can be used for the seeding of medium seeds such as paddy and wheat.

Back-up ring 5 is enclosed within on the feed roll 4 and is spacing to stopping by the housing shaft of seeds discharging box 1.

When feed roll 4 moved axially, the key 51 on the back-up ring can relatively move in the seed distributing groove 41 on feed roll, thereby the active length that can change seed distributing groove is to adjust discharge capacity; When feed roll 4 rotations, back-up ring 5 can rotate thereupon jointly.

As shown in Figure 2, be respectively arranged with kind of brush 13 and the clear closure plate 14 of planting above the feed shaft both sides in seeds discharging box, in the feed shaft rotary course, planting brush can brush away the seed that is higher than nest eye or seed distributing groove, even to guarantee seeding.

As shown in Figure 3, seeding nest eye wheel 3 comprises outer field outer cylinder body 32 and internal layer and inner liner 33, and during the work of seeding nest eye wheel, outer cylinder body 32 is with the feed shaft rotation, and inner liner 33 does not rotate, and nest eye 31 runs through the barrel of outer cylinder body, and inner liner 33 seals nest eyeground portion.The inner liner bottom is provided with breach 34, in indentation, there a seed pushing wheel 35 is set, and kind of the tooth 36 that pushes away on the seed pushing wheel 35 meshes with the nest eye 31 that is exposed to indentation, there, by outer cylinder body driven rotary and the seed in the nest eye is extrapolated.

Claims

1, a kind of paddy and wheat, oily multipurpose seed-feeding device with precise small quantities, include a seeds discharging box (1) and vertically run through the feed shaft (2) of seeds discharging box, the seeds discharging box top is seed inlet (11), the seeds discharging box bottom is sowing port (12), it is characterized in that: be set with seeding nest eye wheel (3) and a feed roll (4) on the feed shaft side by side, seeding nest eye wheel and feed roll can move axially with feed shaft, and the outboard end of taking turns (3) and feed roll (4) at seeding nest eye is respectively arranged with arrangement of clutch (6).

2, a kind of paddy and wheat according to claim 1, oily multipurpose seed-feeding device with precise small quantities is characterized in that: be respectively arranged with kind of brush (13) and the clear closure plate (14) of planting above the feed shaft both sides in seeds discharging box.

3, a kind of paddy and wheat according to claim 1, oily multipurpose seed-feeding device with precise small quantities, it is characterized in that: have axial seed distributing groove (41) on the described feed roll (4), on seed distributing groove, be with a back-up ring (5), the inwall of back-up ring is provided with the key (51) that matches with seed distributing groove (41), back-up ring can be rotated with feed roll (4), back-up ring is axially stopped spacing by the box body of seeds discharging box, back-up ring is not moved axially with feed roll (4).

4, according to the described a kind of paddy and wheat of one of claim 1～3, oily multipurpose seed-feeding device with precise small quantities, it is characterized in that: described seeding nest eye wheel (3) comprises a rotatable outer cylinder body (32), be placed with the nest eye (31) that connects barrel on the barrel of outer cylinder body, in outer cylinder body, be provided with a fixing cylindrical shape inner liner (33), thereby press close to mutually with the outer cylinder body inwall can be with the bottom lock of nest eye (31) for the inner liner outer wall.

5, a kind of paddy and wheat according to claim 4, oily multipurpose seed-feeding device with precise small quantities, it is characterized in that: described inner liner (33) has the incomplete cylindrical shape of breach (34) for the bottom, indentation, there at inner liner is provided with a seed pushing wheel (35), be distributed with on the seed pushing wheel outer wall and push away kind of a tooth (36), push away kind of a tooth (36) and mesh, seed pushing wheel can be rotated under the drive of outer cylinder body from the nest eye (31) on inboard and the outer cylinder body.