CN211960143U

CN211960143U - Harvester collecting and clamping straw conveying mechanism

Info

Publication number: CN211960143U
Application number: CN201922062903.3U
Authority: CN
Inventors: 应叶挺
Original assignee: Zhejiang Ting Neng Sheng Machine Co ltd
Current assignee: Zhejiang Ting Neng Sheng Machine Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-11-20
Anticipated expiration: 2029-11-26

Abstract

The utility model belongs to the technical field of the harvester, refer in particular to a harvester collection presss from both sides send straw mechanism, including cutting the standing grain device, defeated standing grain device and a plurality of standing grain device of setting on cutting the standing grain device, hold up the standing grain device setting in defeated standing grain device one side, hold up the standing grain device and include the fixing base, wear to be equipped with first axis of rotation in the fixing base, the cover is equipped with the special-shaped gear that is used for holding the standing grain straw lower extreme in the first axis of rotation, the special-shaped gear upper end is equipped with the fixed plate, the protective sheath is installed to the fixed plate upper end, wear to be equipped with the second axis of rotation in the protective sheath, second axis of rotation lower extreme is equipped with first helical gear, first helical gear of shaping meshes mutually on first helical gear and the first axis of rotation, the one end that first helical gear was kept. The utility model aims at providing a stable in structure, carry convenient, can effectively prevent that the harvester that the straw dropped from collecting to press from both sides and send straw mechanism.

Description

Harvester collecting and clamping straw conveying mechanism

Technical Field

The utility model belongs to the technical field of harvesters, in particular to a harvester collecting, clamping and straw-feeding mechanism.

Background

At present, most harvesters are provided with grain lifting devices, but the grain lifting devices can only lift the lower ends of the straws, the phenomenon that the upper ends of the straws are folded down can occur when the straws are conveyed, the conveying efficiency of the harvesters is influenced, and the collection rate of the rice is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stable in structure, carry convenient, can effectively prevent that the harvester that the straw dropped from collecting to press from both sides and send straw mechanism.

The purpose of the utility model is realized like this: a harvester collecting and clamping straw conveying mechanism comprises a straw cutting device, a straw conveying device and a plurality of straw holding devices, wherein the straw conveying device and the straw holding devices are arranged on the straw cutting device, the straw holding devices are arranged on one side of the straw conveying device and comprise fixed seats, first rotating shafts penetrate through the fixed seats, special-shaped gears used for holding the lower ends of the straws are sleeved on the first rotating shafts, fixed plates are arranged at the upper ends of the special-shaped gears, protective sleeves are mounted at the upper ends of the fixed plates, second rotating shafts penetrate through the protective sleeves, first bevel gears are arranged at the lower ends of the second rotating shafts and meshed with second bevel gears formed on the first rotating shafts, rotating discs are arranged at one ends, far away from the first bevel gears, of the second rotating shafts, and a plurality of first extending parts used for holding the upper ends of the straws are rotatably arranged on the rotating discs along the circumference.

Preferably, a key groove is formed in the special-shaped gear, and the key groove is matched with a protrusion formed on the outer wall of the first rotating shaft.

Preferably, the upper side and the lower side of the first extending piece are both provided with a protection plate for protecting the first extending piece, and the two protection plates are connected through a screw.

Preferably, the straw conveying device comprises support shafts arranged at two ends of the straw cutting device, a first gear and a second gear are erected on the two support shafts from top to bottom, a first rack is arranged between the two first gears, a plurality of special-shaped tooth sheets are arranged at the upper end and the lower end of the first rack, and the special-shaped gear is arranged between the two special-shaped tooth sheets; and a second rack is arranged between the two second gears, a plurality of second extending pieces are arranged on the second rack along the circumference, and the second extending pieces are abutted with the first extending pieces.

Preferably, the grass cutting device comprises a supporting plate, wherein a third rack and a fourth rack for cutting the straws are respectively arranged on the upper side and the lower side of the front end of the supporting plate, and the third rack and the fourth rack are arranged in a staggered mode.

Preferably, the lower end part of the supporting plate is provided with a supporting arm, and one end of the supporting arm, which is far away from the supporting plate, is fixedly provided with a seedling dividing piece.

Preferably, four groups of grain lifting devices are provided.

Compared with the prior art, the utility model outstanding and profitable technological effect is: the utility model discloses a collection send straw mechanism is cutting off the straw after the standing grain device cuts off the straw, disconnected straw receives the power of holding up standing grain device pivoted, enter into defeated standing grain device, the special-shaped gear is fixed with the lower extreme of straw with the cooperation of second rack is fine, prevent that the straw from dropping from the lower extreme, and set up the second axis of rotation in drive special-shaped gear pivoted first axis of rotation, set up the rolling disc in the second axis of rotation, make first extension piece on the rolling disc the same with special-shaped gear pivoted speed, first extension piece and the mutual butt of second extension piece, can fix the upper end of straw, prevent that the straw from turning over or dropping, prevent to produce extravagant phenomenon.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the utility model with three grain lifter removed;

fig. 3 is a sectional view of the grain lifter of the utility model;

fig. 4 is a schematic structure diagram of the special-shaped gear of the present invention.

Detailed Description

The invention will be further described with reference to specific embodiments.

As shown in fig. 1-4, a collecting, clamping and straw-feeding mechanism of a harvester comprises a straw cutting device 1, a straw conveying device 2 arranged on the straw cutting device 1 and a plurality of straw lifting devices 3, the grain lifting device 3 is arranged on one side of the grain conveying device 2, the grain lifting device 3 comprises a fixed seat 4, a first rotating shaft 5 penetrates through the fixed seat 4, a special-shaped gear 6 used for supporting the lower end of a straw is sleeved on the first rotating shaft 5, a fixed plate 7 is arranged at the upper end of the special-shaped gear 6, a protective sleeve 8 is arranged at the upper end of the fixed plate 7, a second rotating shaft 9 penetrates through the protective sleeve 8, the lower end of the second rotating shaft 9 is provided with a first bevel gear 10, the first bevel gear 10 is meshed with a second bevel gear 11 formed on the first rotating shaft 5, one end of the second rotating shaft 9, which is far away from the first bevel gear 10, is provided with a rotating disc 12, and a plurality of first extending pieces 13 for holding the upper ends of the straws are rotatably arranged on the rotating disc 12 along the circumference.

After the straw is cut off by the straw cutting device 1, the cut straw is subjected to the rotating force of the straw lifting device 3 and enters the straw conveying device 2, the special-shaped gear 6 and the second rack 20 are matched well to fix the lower end of the straw, the straw is prevented from falling off from the lower end, the second rotating shaft 9 is arranged on the first rotating shaft 5 driving the special-shaped gear 6 to rotate, the rotating disc 12 is arranged on the second rotating shaft 9, the rotating speed of the first extension piece 13 on the rotating disc 12 is the same as that of the special-shaped gear 6, the first extension piece 13 is abutted to the second extension piece 21, the upper end of the straw can be fixed, the straw is prevented from being folded or falling, and waste is generated.

Preferably, a key slot 14 is formed in the shaped gear 6, and the key slot 14 is matched with a protrusion formed on the outer wall of the first rotating shaft 5. The arrangement of the key groove 14 can make the connection between the special-shaped gear 6 and the first rotating shaft 5 more stable, and increase the working efficiency and the service life of the special-shaped gear.

Preferably, the upper and lower sides of the first extending member 13 are provided with protecting plates 15 for protecting the first extending member 13, and the two protecting plates 15 are connected by screws. The arrangement of the protection plate 15 can effectively prevent the rotating disc 12 from being impacted when in work, and the service life of the rotating disc 12 is prolonged.

Preferably, the straw conveying device 2 comprises support shafts 35 arranged at two ends of the straw cutting device 1, a first gear 16 and a second gear 17 are erected on the two support shafts 35 from top to bottom, a first rack 18 is arranged between the two first gears 16, a plurality of special-shaped toothed sheets 19 are arranged at the upper end and the lower end of the first rack 18, and the special-shaped gear 6 is arranged between the two special-shaped toothed sheets 19; a second rack 20 is arranged between the two second gears 17, a plurality of second extending pieces 21 are arranged on the second rack 20 along the circumference, and the second extending pieces 21 are abutted with the first extending pieces 13.

Preferably, one end of the special-shaped toothed plate 19 is provided with a protrusion 22, and the top end of a special-shaped rack 23 formed along the circumference of the special-shaped gear 6 is arranged between the upper protrusion 22 and the lower protrusion 22. Set up what arch 22 can be better let special-shaped rack 23 cooperate with it, can the straw press from both sides tightly, prevent that the straw from dropping.

Preferably, the grass cutting device 1 comprises a supporting plate 24, wherein a third rack 36 and a fourth rack 37 for cutting straws are respectively arranged on the upper side and the lower side of the front end of the supporting plate 24, and the third rack 36 and the fourth rack 37 are arranged in a staggered manner. The third rack 36 and the fourth rack 37 are arranged in a staggered mode, so that the problems that straws are not cut and missed during working can be prevented, and the cutting efficiency can be improved.

Preferably, the lower end of the supporting plate 24 is provided with a supporting arm 25, and one end of the supporting arm 25 far away from the supporting plate 24 is fixedly provided with a seedling dividing piece 26. The straw dividing piece 26 can divide the straws into different cutting channels respectively, and the cutting efficiency is increased.

Preferably, four sets of grain lifting devices 3 are provided. Four groups of grain lifting devices 3 can increase the working efficiency.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A harvester collecting, clamping and conveying straw mechanism is characterized by comprising a straw cutting device (1), a straw conveying device (2) arranged on the straw cutting device (1) and a plurality of straw lifting devices (3), wherein the straw lifting devices (3) are arranged on one side of the straw conveying device (2), each straw lifting device (3) comprises a fixed seat (4), a first rotating shaft (5) penetrates through the fixed seat (4), a special-shaped gear (6) used for lifting the lower end of a straw is sleeved on the first rotating shaft (5), a fixed plate (7) is arranged at the upper end of the special-shaped gear (6), a protective sleeve (8) is installed at the upper end of the fixed plate (7), a second rotating shaft (9) penetrates through the protective sleeve (8), a first helical gear (10) is arranged at the lower end of the second rotating shaft (9), and the first helical gear (10) is meshed with a second helical gear (11) formed on the first rotating shaft (5), one end of the second rotating shaft (9), which is far away from the first bevel gear (10), is provided with a rotating disc (12), and a plurality of first extending pieces (13) used for supporting the upper end of the straw are rotatably arranged on the rotating disc (12) along the circumference.

2. The harvester collecting and clamping straw feeding mechanism as claimed in claim 1, wherein a key slot (14) is formed in the shaped gear (6), and the key slot (14) is matched with a protrusion formed on the outer wall of the first rotating shaft (5).

3. The harvester collecting and clamping straw feeding mechanism as claimed in claim 1, wherein the first extension piece (13) is provided with a protection plate (15) at both upper and lower sides thereof for protecting the first extension piece (13), and the protection plates (15) are connected by a screw.

4. The harvester collecting and clamping straw feeding mechanism of claim 1, wherein the straw conveying device (2) comprises support shafts (35) arranged at two ends of the straw cutting device (1), a first gear (16) and a second gear (17) are erected on the two support shafts (35) from top to bottom, a first rack (18) is arranged between the two first gears (16), a plurality of special-shaped toothed sheets (19) are arranged at the upper end and the lower end of the first rack (18), and the special-shaped gear (6) is arranged between the two special-shaped toothed sheets (19); a second rack (20) is arranged between the two second gears (17), a plurality of second extending pieces (21) are arranged on the second rack (20) along the circumference, and the second extending pieces (21) are abutted to the first extending pieces (13).

5. The harvester collecting and clamping straw conveying mechanism of claim 4, wherein one end of the special-shaped toothed piece (19) is provided with a protrusion (22), and the top end of a special-shaped rack (23) formed along the circumference of the special-shaped gear (6) is arranged between the upper protrusion (22) and the lower protrusion (22).

6. The harvester collecting and pinching straw mechanism according to claim 1, wherein the straw cutting device (1) comprises a supporting plate (24), a third rack (36) and a fourth rack (37) for cutting straw are respectively arranged on the upper side and the lower side of the front end of the supporting plate (24), and the third rack (36) and the fourth rack (37) are arranged in a staggered manner.

7. The harvester collecting and clamping straw feeding mechanism as claimed in claim 6, wherein the lower end of the supporting plate (24) is provided with a supporting arm (25), and a straw dividing piece (26) is fixedly arranged at one end of the supporting arm (25) far away from the supporting plate (24).

8. The harvester collects and conveys straw as claimed in claim 1, wherein there are four sets of the grain lifting device (3).