CN111406474A - Zero-speed hill-drop seeding device - Google Patents

Abstract

A zero-speed hole sowing device, belonging to agricultural machinery; the device is characterized in that two pin shafts are assembled on a strip frame type device frame, a left side plate and a right side plate of a supporting hanger are fixedly installed on the left end and the right end of each pin shaft respectively, a stepping motor and a seed box with a type hole seed filling roller are supported and installed on the left side plate and the right side plate of the supporting hanger respectively, a crankshaft connects the stepping motor with the type hole seed filling roller, a cylinder type seat body is fixedly installed on the inner side part of the left side plate and the right side plate of the supporting hanger, an open-close type hole pricking seed sowing device is inserted in the cylinder type seat body, the crankshaft is connected with a duckbill open-close type hole pricking seed sowing device through a connecting rod, a return pressure spring of the hole pricking seed sowing device is sleeved on the duckbill open-close type hole pricking seed sowing device, a compaction locking frame is hoisted on; the device has the advantages of novel and unique mechanism, reasonable structure, reliable use and good operation quality.

Description

Zero-speed hill-drop seeding device

Technical Field

The invention belongs to agricultural machinery, and mainly relates to a seeding device suitable for zero-speed hill-drop seeding operation.

Background

In order to ensure and improve the precision of the spacing size between the same-row seeds in precision seeding operation, the agricultural requirement of mechanical zero-speed seeding is provided. At present, in order to meet and adapt to the operation requirement of hole sowing zero-speed sowing, a duckbill open-close type hole pricking seed sowing device which is mature in the prior art is adopted as a basic component, and then the research on the technical scheme of the zero-speed hole sowing operation is carried out, however, due to structural design problems and the defects in operation test use, the research design is not applied and popularized in the actual operation all the time, and the real zero-speed sowing is not realized.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and researches and designs a zero-speed hole sowing device with a new structure by combining the actual requirements of zero-speed hole sowing operation production and use, so as to achieve the purposes of adapting to and meeting the use requirements of zero-speed hole sowing operation, high precision of seed spacing and good hole sowing quality.

The invention aims to realize that two pin shafts which are arranged in parallel can be inserted into longitudinal long holes on the left side part and the right side part of a strip frame type device frame in a front-back longitudinal moving way, a supporting and hanging left side plate and a supporting and hanging right side plate are respectively and fixedly arranged on the left outer end and the right outer end part of the two pin shafts, a stepping motor is fixedly arranged on the upper end part of the supporting and hanging left side plate, a seed box with a hole type seed filling roller is fixedly arranged on the upper end part of the supporting and hanging right side plate, and the left end and the right end of a crankshaft are respectively connected with the stepping motor and the hole type seed filling roller; a cylinder type seat body is vertically and fixedly installed on the inner side part of the supporting hanging left side plate and the inner side part of the supporting hanging right side plate, a duckbill opening and closing type hole pricking seed metering device is inserted and installed in the cylinder type seat body in a vertically reciprocating mode, the upper end and the lower end of a connecting rod are respectively hinged to a crankshaft and a duckbill opening and closing type hole pricking seed metering device, a hole pricking seed metering device return pressure spring is sleeved on the upper end part of the duckbill opening and closing type hole pricking seed metering device, the upper end of a hole pricking seed metering device return pressure spring is in locking positioning fit on the duckbill opening and closing type hole pricking seed metering device, and the lower end of a hole; two bidirectional hydraulic oil cylinders are fixedly mounted on the lower end parts of the left supporting and hanging side plate and the right supporting and hanging side plate respectively, and a compaction locking frame is fixedly mounted on the lower ends of oil cylinder rods of the four bidirectional hydraulic oil cylinders in a hanging manner; the seed conveying hose communicates the hole filling roller with the duckbilled open-close type hole pricking seed sowing device; and a support hanging side plate return pressure spring is assembled on the inner side of the strip frame type device frame, and the front end and the rear end of the support hanging side plate return pressure spring are respectively in extrusion contact fit with a pin shaft on the rear side and a transverse rear end plate of the strip frame type device frame, so that the zero-speed hole sowing seeding device is formed.

The invention adopts the zero-speed hill-drop seeding device to extrude the ground soil of the field to generate the frictional resistance, so that the duckbilled open-close type hill-drop seeding device assembled on the zero-speed hill-drop seeding device can move backwards at the same speed on the frame of the seeding machine and the structure and the mode when the hill-drop seeding device punctures and seeds, accurately and reliably realizes the zero-speed seeding during the hill-drop, and has the characteristics of novel and unique mechanism, reasonable structure, reliable use and good operation quality.

Drawings

FIG. 1 is a front view of the overall structure of a zero-speed hole sowing device;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a three-dimensional schematic diagram of the overall structure of the zero-speed hill-drop seeding device.

Description of part numbers in the figures:

1. the device comprises a strip frame type device frame, 2, a seed conveying hose, 3, a seed box, 4, a hole pricking seed sowing device return pressure spring, 5, a cylinder type seat body, 6, a support hanging right side plate, 7, a bidirectional hydraulic oil cylinder, 8, a compaction locking frame, 9, a duckbilled open-close type hole pricking seed sowing device, 10, a support hanging left side plate, 11, a pin shaft, 12, a stepping motor, 13, a crankshaft, 14, a connecting rod, 15, a support hanging side plate return pressure spring, 16 and a type hole seed filling roller.

Detailed Description

The following detailed description of the inventive embodiments is provided in connection with the accompanying drawings. A zero-speed bunch planting and seeding device comprises a duckbill open-close type bunch planting and seeding device 9, two pin shafts 11 which are arranged in parallel are inserted into longitudinal long holes on the left side part and the right side part of a strip frame type device frame 1 in a front-back longitudinal moving mode, a supporting and hanging left side plate 10 and a supporting and hanging right side plate 6 are fixedly arranged on the left outer end and the right outer end part of the two pin shafts 11 respectively, a stepping motor 12 is fixedly arranged on the upper end part of the supporting and hanging left side plate 10, a seed box 3 with a hole type seed filling roller 16 is fixedly arranged on the upper end part of the supporting and hanging right side plate 6, and the left end and the right end of a crankshaft 13 are respectively connected with the stepping motor 12 and the hole type seed filling roller 16; a cylinder type base body 5 is vertically and fixedly installed on the inner side part of the left supporting and hanging side plate 10 and the right supporting and hanging side plate 6, a duckbill open-close type hole pricking seed sowing device 9 is inserted and installed in the cylinder type base body 5 in a vertically reciprocating mode, the upper end and the lower end of a connecting rod 14 are respectively hinged to a crankshaft 13 and the duckbill open-close type hole pricking seed sowing device 9, a hole pricking seed sowing device return pressure spring 4 is sleeved on the upper end part of the duckbill open-close type hole pricking seed sowing device 9, the upper end of the hole pricking seed sowing device return pressure spring 4 is in locking positioning fit on the duckbill open-close type hole pricking seed sowing device 9, and the lower end of the hole pricking seed sowing device return pressure spring 4 is in contact; two bidirectional hydraulic oil cylinders 7 are respectively and fixedly arranged on the lower end parts of the supporting and hanging left side plate 10 and the supporting and hanging right side plate 6, and a compaction locking frame 8 is fixedly arranged on the lower ends of oil cylinder rods of the four bidirectional hydraulic oil cylinders 7 in a hanging manner; the seed conveying hose 2 is used for communicating the hole-shaped seed filling roller 16 with the duckbilled open-close type hole pricking seed sowing device 9; and the inner side of the strip frame type device frame 1 is provided with a supporting hanging side plate return pressure spring 15, and the front end and the rear end of the supporting hanging side plate return pressure spring 15 are respectively in extrusion contact fit with the pin shaft 11 at the rear side and the transverse rear end plate of the strip frame type device frame 1.

During operation, the device is longitudinally and fixedly arranged on a seeding machine by utilizing the front end part of the strip-frame type device frame 1. In the continuous forward seeding of the machine tool, four two-way hydraulic cylinders 7 simultaneously extend to drive the compaction locking frame 8 to move downwards and to be in close contact with the land surface, press fit and stand still, at the moment, the duckbill open-close type hole pricking seeding apparatus 9 and the land surface are kept in a relative static state through the support hanging right and left side plates 6 and 10 and the cylinder type base body 5, synchronously, the strip frame type device frame 1 is pulled by the seeding machine to move forwards continuously, the pin shaft 11 makes relative backward movement in the strip frame type device frame 1, the support side plate hanging return pressure spring 15 is compressed, the rotary ground stepping motor 12 drives the hole filling roller 16 to rotate through the crankshaft 13 to complete filling and seeding, the duckbill open-close type hole pricking seeding apparatus 9 is driven by the crankshaft 13 and the connecting rod 14 to move downwards in the cylinder type base body 5, when the duckbill at the lower end of the duckbill opening hole forming seeding apparatus is pricked into the soil, and seeds fed by the hole filling roller 16 through the seed conveying hose 2 are sowed in, and finishing hole sowing and zero-speed sowing. When the four bidirectional hydraulic oil cylinders 7 retract simultaneously to enable the pressing locking frame 8 to be separated from contact with the ground and the stepping motor 12 stops rotating, under the action of the supporting and hanging side plate return pressure spring 15, the supporting and hanging left and right side plates 10 and 6 are driven by the pin shaft 11 to move forward rapidly on the strip frame type device frame 1 to complete longitudinal return, under the action of the hole pricking seed sowing device return pressure spring 4, the duckbill opening and closing type hole pricking seed sowing device 9 is enabled to do upward rising movement in the barrel type seat body 5 to complete vertical return, and the one-time zero-speed hole sowing operation process is completed. And circulating in sequence.

Claims (1)

1. The utility model provides a zero-speed hill-drop seeder, includes duckbilled open-close formula prick cave seed metering ware (9), its characterized in that: two pin shafts (11) which are arranged in parallel are inserted into longitudinal long holes on the left side part and the right side part of a strip frame type device frame (1) in a front-back longitudinal moving mode, a supporting and hanging left side plate (10) and a supporting and hanging right side plate (6) are fixedly installed at the left outer end and the right outer end part of the two pin shafts (11) respectively, a stepping motor (12) is fixedly installed at the upper end part of the supporting and hanging left side plate (10), a seed box (3) with a type hole seed charging roller (16) is fixedly installed at the upper end part of the supporting and hanging right side plate (6), and the left end and the right end of a crankshaft (13) are connected with the stepping motor (12) and the type hole seed charging roller (16) respectively; the device comprises a cylindrical base (5) vertically and fixedly arranged on the inner side part relative to a left supporting and hanging side plate (10) and a right supporting and hanging side plate (6), wherein a duckbilled open-close type hole pricking seed sowing device (9) is inserted and installed in the cylindrical base (5) in a vertically reciprocating manner, the upper end and the lower end of a connecting rod (14) are respectively hinged to a crankshaft (13) and the duckbilled open-close type hole pricking seed sowing device (9), a hole pricking seed sowing device return pressure spring (4) is sleeved on the upper end part of the duckbilled open-close type hole pricking seed sowing device (9), the upper end of the hole pricking seed sowing device return pressure spring (4) is in locking positioning fit on the duckbilled open-close type hole pricking seed sowing device (9), and the lower end of the hole pricking seed sowing device return pressure spring (4) is in contact fit with the; two-way hydraulic oil cylinders (7) are respectively and fixedly arranged on the lower end parts of the left supporting and hanging plate (10) and the right supporting and hanging plate (6), and a compaction locking frame (8) is fixedly arranged on the lower ends of oil cylinder rods of the four two-way hydraulic oil cylinders (7) in total in a hanging manner; the seed conveying hose (2) is used for communicating the hole-shaped seed filling roller (16) with the duckbilled open-close type hole pricking seed sowing device (9); and a support hanging side plate return pressure spring (15) is assembled on the inner side of the strip frame type device frame (1), and the front end and the rear end of the support hanging side plate return pressure spring (15) are respectively in extrusion contact fit with a pin shaft (11) on the rear side and a transverse rear end plate of the strip frame type device frame (1).

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