Title:
DUAL-DRIVE TYPE MEMBRANE HOLE-OPENING AND SEEDING DEVICE AND METHOD
Document Type and Number:
WIPO Patent Application WO/2022/033508
Kind Code:
A1
Abstract:
Disclosed are a dual-drive type membrane hole-opening and seeding device and method. The dual-drive type membrane hole-opening and seeding device comprises a rack (2), and a first suspension, a disc and a second suspension which are sequentially arranged on the rack (2), wherein the disc is rotatably mounted on the rack (2), a hole-opening mechanism is provided along a circumferential edge of the disc in a matching manner, a hole-opening cam (3-7) and a seed metering device (6-2) which match the hole-opening mechanism are mounted on the rack (2), and the disc and the seed metering device (6-2) are each fitted with a driving mechanism; and when the hole-opening mechanism rotates around an axis of the disc to a position matching the hole-opening cam (3-7), the hole-opening mechanism is opened towards a side away from an end face of the disc to form a seed feeding port in communication with a seed feeding cavity in the hole-opening mechanism, and the disc can be driven to achieve active transverse hole opening at different rotation speeds.
Inventors:
SHI SONG (CN)
LI HUI (CN)
ZHOU JILEI (CN)
JIAN SHICHUN (CN)
LIU HU (CN)
WEI GUOJIAN (CN)
ZHANG RONGFANG (CN)
LI HUI (CN)
ZHOU JILEI (CN)
JIAN SHICHUN (CN)
LIU HU (CN)
WEI GUOJIAN (CN)
ZHANG RONGFANG (CN)
Application Number:
PCT/CN2021/112025
Publication Date:
February 17, 2022
Filing Date:
August 11, 2021
Export Citation:
Assignee:
SHANDONG ACAD OF AGRICULTURAL MACHINERY SCIENCE (CN)
International Classes:
A01C7/00; A01C5/04; A01C7/18; A01C19/02
Foreign References:
| CN112075163A | 2020-12-15 | |||
| CN213245615U | 2021-05-25 | |||
| CN85108875A | 1986-06-10 | |||
| CN1977580A | 2007-06-13 | |||
| CN204069697U | 2015-01-07 | |||
| FR2452235A1 | 1980-10-24 | |||
| CN111295981A | 2020-06-19 |
Attorney, Agent or Firm:
JINAN SPRINGS PATENT&TRADEMARK OFFICE (CN)
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