No-tillage seeding reciprocating motion bidirectional side-push type seed furrow opener
A reciprocating motion, no-tillage seeding technology, applied in planting methods, digging/covering ditches, applications, etc., can solve problems such as poor operation quality, poor stubble breaking effect, and no lateral stubble moving structure, etc., to achieve Low operating power consumption, high operating efficiency and unique structure
Pending Publication Date: 2021-11-02
NORTHEAST AGRICULTURAL UNIVERSITY
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Problems solved by technology
However, due to the current no-tillage fertilization and seeding equipment mostly adopts a single stubble breaking disc knife for stubble breaking operations, it is found in practice that not only the stubble breaking effect is poor, but also it does not have the structure and function of laterally pushing the stubble , the strip seed ditch constructed cannot adapt to and meet the requirements of no-tillage sowing operations, and the quality of the operation is poor, which restricts the popularization and application of advanced no-tillage sowing agronomic methods
Method used
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Embodiment Construction
[0012] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. A kind of no-tillage seeding reciprocating motion two-way side push seed ditch opener, the end cam A2 and the end cam B7 are fixedly installed on the suspension arm 1 with the axis lines parallel to each other; fixedly installed in the center hole of the end cam A2 The self-lubricating bushing A12, the knife shaft 10 with the ejector rod A11 is radially positioned, circumferentially rotatable, and axially movably mated and installed in the hole of the self-lubricating bushing A12, and the ejector rod A11 is connected with the end face cam A2 is a contact fit, on the cutter shaft 10 and at the outer part of the self-lubricating sleeve A12, the spring seat A4 is fixed through the plane thrust bearing A14, and the pressure spring A13 is set on the cutter shaft 10 and is located in the spring seat A4. The inner and outer end faces of the pressure spring A13 ...
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The invention discloses a no-tillage seeding reciprocating motion bidirectional side-push type seed furrow opener, and belongs to agricultural machinery. According to the no-tillage seeding reciprocating motion bidirectional side-push type seed furrow opener, a smashing and cutting device for strip seedbed soil, straw and stubble and an operation auxiliary device are arranged on hanging arms at the same time, the smashing and cutting device for the strip seedbed soil, the straw and the stubble is composed of an end face cam A, a sawtooth disc coulter, a spring seat A, a chain wheel A, a cutter shaft, an ejector rod A, a pressure spring A and a plane thrust bearing A, and the operation auxiliary device is composed of an end face gear B, a depth-limiting anti-skid straw pressing wheel, a spring seat B, a chain wheel B, a wheel shaft, an ejector rod B, a pressure spring B and a plane thrust bearing B, and a chain is sleeved on the chain wheel A and the chain wheel B; according to the device, the rotation and the axial reciprocating motion of the sawtooth disc coulter are utilized to cut soil and stubbles of strip type seed furrow, meanwhile, the stubbles on the strip type seed furrow are laterally extruded and pushed, and the device has the characteristics that the structure is unique and reasonable, power consumption is low, the quality of the formed strip type seed furrow is good, and a technical support is provided for popularization and application of a no-tillage sowing agricultural method.
Description
technical field [0001] The invention belongs to agricultural machinery, and mainly relates to a seed ditch opener suitable for no-tillage sowing operations. Background technique [0002] No-tillage seeding is a new dry farming method that has been successfully developed in recent years and has been popularized and applied in Heilongjiang, Jilin and other regions in northern my country. In order to adapt and meet the needs of this method, various no-tillage fertilization and seeding equipment have been developed. The key technical difficulty lies in the construction of no-tillage seeding furrows, that is, how to reliably, accurately and effectively place the seeds on the strips of the seedbed. The root stubble of the previous season's crops is cut and broken or pushed out of the seed ditch as a whole to form a good seed ditch, which provides convenience for subsequent no-tillage sowing. However, since the current no-tillage fertilization and seeding machines mostly use a sin...
Claims
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IPC IPC(8): A01C5/06
CPCA01C5/064
Inventor 王奇王金武闫东伟王金峰周文琪唐汉孙小博
Owner NORTHEAST AGRICULTURAL UNIVERSITY