CN212786577U

CN212786577U - Four-disc furrow opener for soybean seeder and seeding unit thereof

Info

Publication number: CN212786577U
Application number: CN202020912054.6U
Authority: CN
Inventors: 孔宪军
Original assignee: Heilongjiang Nongken Juyuan Agricultural Machinery Manufacturing Co ltd
Current assignee: Heilongjiang Nongken Juyuan Agricultural Machinery Manufacturing Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-03-26
Anticipated expiration: 2030-05-26

Abstract

A four-disc furrow opener for a soybean seeder and a seeding unit thereof belong to the technical field of furrow opening and seeding machines. The four-disc furrow opener is characterized in that a first inner disc and a second inner disc are arranged in parallel and are perpendicular to the ground, a first outer disc is arranged on the outer side of the first inner disc, an included angle is formed between the first inner disc and the first outer disc, a second outer disc is arranged on the outer side of the second inner disc, and an included angle is formed between the second inner disc and the second outer disc. The seeding unit and the four-disc furrow opener are arranged on the front side between the two depth wheels, the middle parts of the two rotating arms are rotatably connected with the rack through rotating shafts, the front ends of the rotating arms are rotatably connected with the depth wheels, the rear ends of the rotating arms are connected with the depth wheel adjusting devices, and the two seed guiding barrels are respectively fixed on two sides of the rack. The four ditching disks have good passing performance when being used for sowing, the middle two ditching disks are cut in parallel without dragging and piling, and various weeds are cut off. Four ditching disks are used for sowing, dry soil is not clamped in dry days, and the emergence rate is high and synchronous.

Description

Four-disc furrow opener for soybean seeder and seeding unit thereof

Technical Field

The utility model relates to a four disc furrow openers that soybean seeder was used and seeding unit thereof belongs to furrow opener and seeding unit technical field.

Background

The prior furrow opener of the seeder mostly uses two furrow discs, an included angle is formed between the two furrow discs, after the furrow opening and the seeding are carried out in dry days, because the seeds are in a dry and wet uneven soil environment, the seeds in the wet soil germinate and emerge, and the seeds in the dry soil environment germinate late, so the emergence of the teeth is asynchronous, and the emergence of the seedlings is uneven in height. In recent years, because the requirement on environmental protection is strict, burning is generally not allowed, weeds in the field are more, and the two ditching disks easily cause the phenomenon of dragging and piling to influence the sowing effect.

Disclosure of Invention

The utility model aims at solving the problems existing in the prior art and further providing a four-disc furrow opener for a soybean seeder and a seeding unit thereof.

The utility model aims at realizing through the following technical scheme:

a four-disc colter for a soybean seeder, comprising: the device comprises a frame, a connecting plate I, an outer side disc I, a shaft cap I, an inner side disc I, a shaft cap II, a shaft cap III, an inner side disc II, a connecting plate II, an outer side disc II, a shaft cap IV, a disc shaft I and a disc shaft II, wherein the inner side disc I and the inner side disc II are arranged in parallel and are vertical to the ground, the outer side of the inner side disc I is provided with the outer side disc I, the inner side disc I and the outer side disc I are both arranged on the disc shaft I, an included angle is formed between the inner side disc I and the outer side disc I, the outer side of the inner side disc II is provided with the outer side disc II, the inner side disc II and the outer side disc II are both arranged on the disc shaft II, an included angle is formed between the inner side disc II and the outer side disc II, the connecting plate I and the connecting plate II are arranged in parallel, the lower end of the, the upper end of the connecting plate II is fixedly connected with the rack, a first shaft cap and a second shaft cap are arranged at two ends of the first disc shaft respectively, and a third shaft cap and a fourth shaft cap are arranged at two ends of the second disc shaft respectively.

A planter planting unit using a four-disc furrow opener comprising: four disc furrow openers, four connecting rods, the riser, two lead kind of a section of thick bamboo, two rocking arms, two depth wheels, two pivots and depth wheel adjusting device, depth wheel adjusting device installs in the frame, four disc furrow openers install the front side between two depth wheels, the front portion in the frame is fixed to the riser, the front portion at the riser is fixed to four connecting rods, the both sides in the frame are fixed in two pivots, the middle part of two rocking arms is rotated by pivot and frame and is connected, the front end and the depth wheel of rocking arm rotate and be connected, the rear end and the depth wheel adjusting device of rocking arm are connected, two lead kind of a section of thick bamboo and fix the both sides in the frame respectively.

The utility model discloses a furrow opener has used four ditching discs, and the trafficability characteristic is good during the seeding, and wherein two middle ditching discs are parallel to be cut into, and two ditching discs in the outside form the contained angle with two middle ditching discs respectively for seeding is respond well, does not drag the heap, and all kinds of weeds cut off and cross. Four ditching disks are used for sowing, dry soil is not clamped in dry days, and the emergence rate is high and synchronous. The seeding unit adopts the depth wheel device, effective control depth of planting is fit for sowing the crops of different cultivars.

Drawings

Fig. 1 is a schematic structural view of a four-disc furrow opener for a soybean seeder of the utility model.

Fig. 2 is a view taken along direction a of fig. 1.

Fig. 3 is a schematic structural view (front view) of the seeding unit of the seeding machine of the utility model.

Fig. 4 is a schematic structural view (overlook) of the seeding unit of the seeding machine of the utility model.

Fig. 5 is a schematic structural diagram of the depth wheel adjusting device.

Fig. 6 is a view from direction B of fig. 5.

In the drawing, reference numerals, 1 denotes a frame, 2 denotes a first connecting plate, 3 denotes a first outer disk, 4 denotes a first spindle cap, 5 denotes a first inner disk, 6 denotes a second spindle cap, 7 denotes a third spindle cap, 8 denotes a second inner disk, 9 denotes a second connecting plate, 10 denotes a second outer disk, 11 denotes a fourth spindle cap, 12 denotes a first disk spindle, 13 denotes a second disk spindle, 14 denotes a four-bar linkage, 15 denotes a vertical plate, 16 denotes a seed guide cylinder, 17 denotes a rotating arm, 18 denotes an adjusting lever, 19 denotes a depth wheel, 20 denotes a mud scraper, 21 denotes a threaded sleeve, 22 denotes a push-pull rod, 23 denotes a rotating shaft, 24 denotes a rotating arm spindle, 25 denotes a cover plate, 26 denotes a retainer ring, 27 denotes a screw, 28 denotes a pin shaft hole, and 29 denotes a pin shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1 and 2, a four-disc furrow opener for a soybean seeder according to the present embodiment includes: the device comprises a frame 1, a connecting plate I2, an outer side disc I3, a shaft cap I4, an inner side disc I5, a shaft cap II 6, a shaft cap III 7, an inner side disc II 8, a connecting plate II 9, an outer side disc II 10, a shaft cap IV 11, a disc shaft I12 and a disc shaft II 13, wherein the inner side disc I5 and the inner side disc II 8 are arranged in parallel and are vertical to the ground, the outer side disc I3 is arranged on the outer side of the inner side disc I5, the inner side disc I5 and the outer side disc I3 are both arranged on the disc shaft I12, an included angle is formed between the inner side disc I5 and the outer side disc I3, the outer side disc II 10 is arranged on the outer side of the inner side disc II 8, the inner side disc II 8 and the outer side disc II 10 are both arranged on the disc shaft II 13, an included angle is formed between the inner side disc II 8 and the outer side disc II 10, the connecting plate I2, the upper end of the first connecting plate 2 is fixedly connected with the rack 1, the lower end of the second connecting plate 9 is fixedly connected with the second disc shaft 13, the upper end of the second connecting plate 9 is fixedly connected with the rack 1, the two ends of the first disc shaft 12 are respectively provided with a first shaft cap 4 and a second shaft cap 6, and the two ends of the second disc shaft 13 are respectively provided with a third shaft cap 7 and a fourth shaft cap 11.

An included angle between the first inner side disc 5 and the first outer side disc 3 is 5-10 degrees.

An included angle between the second inner side disk 8 and the second outer side disk 10 is 5-10 degrees.

As shown in fig. 3 and 4, a sowing unit of a sowing machine using a four-disc furrow opener includes: four disc furrow openers, four connecting rods 14, a vertical plate 15, two seed guide cylinders 16, two rotating arms 17, two depth wheels 19, two rotating shafts 23 and depth wheel adjusting devices, the depth wheel adjusting devices are installed on the frame 1, the four disc furrow openers are installed on the front side between the two depth wheels 19, the vertical plate 15 is fixed on the front portion of the frame 1, the four connecting rods 14 are fixed on the front portion of the vertical plate 15, the two rotating shafts 23 are fixed on the two sides of the frame 1, the middle portions of the two rotating arms 17 are rotatably connected with the frame 1 through the rotating shafts 23, the front ends of the rotating arms 17 are rotatably connected with the depth wheel 19, the rear ends of the rotating arms 17 are connected with the depth wheel adjusting devices, and the two seed guide cylinders 16 are respectively fixed on the two sides of.

The sowing unit further comprises two mud scrapers 20, one mud scraper 20 is fixed on the frame 1 at one side of the inner disc I5 and the outer disc I3, and the other mud scraper 20 is fixed on the frame 1 at one side of the inner disc II 8 and the outer disc II 10.

As shown in fig. 5 and 6, the depth wheel adjusting device includes an adjusting rod 18, a threaded sleeve 21, a push-pull rod 22, a rotating arm shaft 24, a cover plate 25, a baffle ring 26, a screw 27 and a pin shaft 29, the front portion of the adjusting rod 18 is connected with the threaded sleeve 21, the baffle ring 26 is fixed on the front portion of the adjusting rod 18, the baffle ring 26 is arranged between the cover plate 25 and the frame 1, the cover plate 25 is fixed on the frame 1 by bolts, the rear end of the push-pull rod 22 is connected with the screw 27 into a whole, the screw 27 is connected with the threaded sleeve 21 by threads, the front end of the push-pull rod 22 is connected with the rotating arm shaft 24 by bolts, the pin shaft 29 is fixed on two ends of the rotating arm shaft 24, and the pin shaft 29 is matched.

When the depth wheel 19 is adjusted, the adjusting rod 18 is shaken to enable the threaded sleeve 21 to rotate simultaneously, the pin shaft 29 on the rotating arm shaft 24 at the front end of the push-pull rod 22 is inserted into the pin shaft hole 28 on the rotating arm 17 to limit the rotation of the push-pull rod 22 and the screw 27, when the threaded sleeve 21 rotates, the push-pull rod 22 and the screw 27 can only push or pull the rotating arm 17 to enable the depth wheel 19 to ascend or descend, and the stop ring 26 on the adjusting rod 18 can only rotate between the cover plate 25 and the rack 1, so that the adjusting rod 18 cannot move back and forth.

In the embodiment, the fixing, the fixed connection and the installation are all welding or bolt connection.

The above description is only the preferred embodiments of the present invention, and these embodiments are all based on the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A four-disc furrow opener for a soybean seeder is characterized by comprising: the device comprises a frame, a connecting plate I, an outer side disc I, a shaft cap I, an inner side disc I, a shaft cap II, a shaft cap III, an inner side disc II, a connecting plate II, an outer side disc II, a shaft cap IV, a disc shaft I and a disc shaft II, wherein the inner side disc I and the inner side disc II are arranged in parallel and are vertical to the ground, the outer side of the inner side disc I is provided with the outer side disc I, the inner side disc I and the outer side disc I are both arranged on the disc shaft I, an included angle is formed between the inner side disc I and the outer side disc I, the outer side of the inner side disc II is provided with the outer side disc II, the inner side disc II and the outer side disc II are both arranged on the disc shaft II, an included angle is formed between the inner side disc II and the outer side disc II, the connecting plate I and the connecting plate II are arranged in parallel, the lower end of the, the upper end of the connecting plate II is fixedly connected with the rack, a first shaft cap and a second shaft cap are arranged at two ends of the first disc shaft respectively, and a third shaft cap and a fourth shaft cap are arranged at two ends of the second disc shaft respectively.

2. The four-disc furrow opener for the soybean seeder of claim 1, wherein an included angle between the inner disc one and the outer disc one is 5 to 10 °; and the included angle between the second inner side disc and the second outer side disc is 5-10 degrees.

3. A seeding unit for a seeding machine using the four-disc furrow opener of claim 1 or 2, comprising: four disc furrow openers, four connecting rods, the riser, two lead kind of a section of thick bamboo, two rocking arms, two depth wheels, two pivots and depth wheel adjusting device, depth wheel adjusting device installs in the frame, four disc furrow openers install the front side between two depth wheels, the front portion in the frame is fixed to the riser, the front portion at the riser is fixed to four connecting rods, the both sides in the frame are fixed in two pivots, the middle part of two rocking arms is rotated by pivot and frame and is connected, the front end and the depth wheel of rocking arm rotate and be connected, the rear end and the depth wheel adjusting device of rocking arm are connected, two lead kind of a section of thick bamboo and fix the both sides in the frame respectively.

4. A sowing unit according to claim 3, further comprising two scrapers, one of which is fixed to the frame on one side of the first inner disc and the first outer disc, and the other of which is fixed to the frame on one side of the second inner disc and the second outer disc.

5. The sowing unit of claim 3, wherein the depth wheel adjustment device comprises an adjustment lever, a threaded sleeve, a push-pull lever, a swing arm shaft, a cover plate, a baffle ring, a screw rod and a pin shaft, wherein the front part of the adjustment lever is integrally connected with the threaded sleeve, the front part of the adjustment lever is fixedly provided with the baffle ring, the baffle ring is arranged between the cover plate and the frame, the cover plate is fixed on the frame by a bolt, the rear end of the push-pull lever is integrally connected with the screw rod, the screw rod is in threaded connection with the threaded sleeve, the front end of the push-pull lever is in threaded connection with the swing arm shaft, the two ends of the swing arm shaft are fixedly provided with the pin shaft, and the pin.