CN109661899B

CN109661899B - Lodging corn harvesting device

Info

Publication number: CN109661899B
Application number: CN201910123919.2A
Authority: CN
Inventors: 程振勇; 秦宽; 黄廷杰
Original assignee: Mengcheng Zhenxing Yongfa Agricultural Machinery Co ltd
Current assignee: Mengcheng Zhenxing Yongfa Agricultural Machinery Co ltd
Priority date: 2019-02-19
Filing date: 2019-02-19
Publication date: 2023-08-18
Anticipated expiration: 2039-02-19
Also published as: CN109661899A

Abstract

The invention discloses a lodging corn harvesting device which comprises a mounting frame and a plurality of groups of snapping roll groups arranged on the inner side of the mounting frame, wherein a plurality of rotary grain lifters and a transmission device for driving the rotary grain lifters are arranged at the end part of the mounting frame, each rotary grain lifter comprises a power shaft and a spiral blade arranged on the surface of the power shaft, each transmission device comprises a driving gear fixedly arranged at the end part of the snapping roll group and a driven gear fixedly arranged at the end part of the power shaft, one end of each power shaft opposite to the mounting frame corresponds to one driven gear through a universal joint assembly, one end of each power shaft deviating from the mounting frame is sleeved in a bearing seat, the bottom of each bearing seat is fixedly connected with a cylinder roller, and an anti-sliding block for reducing friction between the bearing seat and soil is welded on the direction of the bearing seat deviating from the power shaft. The lodging corn harvesting device provided by the invention can harvest lodging corn, improve the working efficiency, has high automation degree and reduces the working strength of farmers.

Description

Lodging corn harvesting device

Technical Field

The invention relates to the field of agricultural mechanical equipment, in particular to a lodging corn harvesting device.

Background

Corn is a crop widely planted in China and the world, and with development of agricultural machinery, a corn harvester is gradually popularized, but corn often falls due to weather when corn is harvested, and falls more seriously in areas with poor weather. The existing corn harvester is designed for normally grown corn, and usually has only a spike picking function, lodged corn cannot be normally harvested, or the corn needs to be harvested in advance by manpower, if existing equipment is used, the corn is crushed and damaged or missed in the picking process, the existing corn harvesting work is low in efficiency due to the problems, labor intensity of farmers is greatly increased, and popularization and development of agricultural automation are very affected. Therefore, a corn harvesting device which can harvest lodged corn and improve the working efficiency is highly needed.

Disclosure of Invention

The invention aims to provide a lodging corn harvesting device which aims to solve the problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a lodging corn harvesting device, includes the mounting bracket and sets up at the inboard multiunit snapping roll group of mounting bracket, a plurality of rotatory lifters are installed to the mounting bracket tip and the transmission of a plurality of rotatory lifters of drive, rotatory lifters include the power shaft and set up the spiral leaf on the power shaft surface, transmission includes fixed mounting at the driving gear of snapping roll group tip and fixed mounting at the driven gear of power shaft tip, and every power shaft corresponds one through the universal joint sub-assembly on one end of the relative mounting bracket of power shaft, the power shaft deviates from one end cover of mounting bracket and establishes in the bearing frame, bearing frame bottom fixedly connected with cylinder gyro wheel, the bearing frame deviates from the bearing frame and has the antiskid piece that reduces bearing frame and soil friction in the power shaft direction welding, the universal joint sub-assembly includes universal joint and cover and establishes the rotating member in the universal joint outside, the one end and the driven gear fixed connection of universal joint, the rotating member includes the sleeve and the two symmetrical rotation angle that set up with the universal joint cover, set up the pinhole on the rotation angle, rotate the rotating member through wearing to establish with the pivot pin hole.

As a further scheme of the invention: the bottom of the mounting frame is also welded with a pull ring, a spring is sleeved on the pull ring, and the other end of the spring is welded on the bearing seat.

As still further aspects of the invention: the power shaft is conical.

As still further aspects of the invention: the length of the power shaft is 80cm, and the diameter of the power shaft is 26cm.

As still further aspects of the invention: the length of the sleeve corresponds to half the length of the universal joint.

Compared with the prior art, the invention has the beneficial effects that: the rotary grain lifter formed by two adjacent conical power shafts has opposite rotation directions, and is matched with the spiral blades on the power shafts to lift up lodged corn, so that rolling and omission in the corn harvesting process are avoided, the working intensity is reduced, and the working efficiency is improved; through the universal joint assembly on the power shaft, the rotary grain lifter can rotate up and down relative to the mounting frame, and the cylindrical roller at the bottom of the bearing seat is matched with the rotary grain lifter, so that the friction force between the rotary grain lifter and the ground is reduced, and meanwhile, the top end of the grain lifter can well contact the ground and cannot be pricked into the soil in a tip mode; through the spring between mounting bracket and the rotatory grain lifter for rotatory grain lifter keeps contacting with ground all the time, and operating condition is stable, improves efficiency.

Drawings

Fig. 1 is a schematic structural view of a lodging corn harvesting device.

Fig. 2 is a side view of a lodged corn harvesting device.

Fig. 3 is a schematic structural view of a gimbal assembly in a lodged corn harvesting device.

In the figure: 1. a bearing seat; 2. rotating the grain lifter; 3. a snapping roll set; 4. a mounting frame; 5. spiral leaves; 6. a power shaft; 7. a spring; 8. a gimbal assembly; 9. a drive gear; 10. a pull ring; 11. a cylindrical roller; 12. a driven gear; 13. an anti-skid block.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a lodging corn harvesting device comprises a mounting frame 4 and a plurality of snapping roll sets 3 disposed inside the mounting frame 4, wherein a plurality of rotary grain lifters 2 and a transmission device for driving the plurality of rotary grain lifters 2 are mounted at the end of the mounting frame 4, the rotary grain lifters 2 comprise power shafts 6 and spiral blades 5 disposed on the surfaces of the power shafts 6, the power shafts 6 are conical, the lengths of the power shafts 6 are 80cm, the diameters are 26cm (the corn planting line spacing is about 60cm, the widths of one set of power shafts are 26cm+26cm, and a gap is added, in order to ensure the normal operation of corn harvesting, the total width is less than 60 cm), the transmission device comprises a driving gear 9 fixedly mounted at the end of the snapping roll sets and a driven gear 12 fixedly mounted at the end of the power shafts 6, each snapping roll set 3 rotates relatively, so that each adjacent power shaft 6 rotates relatively, the lodging corn can be clamped from the root and lifted along with the action of the spiral blades 5, one end of each power shaft 6 opposite to the mounting frame 4 corresponds to one driven gear 12 through the universal joint assembly 8, the universal joint assembly 8 is inserted with a bolt for limiting the left and right movement of the universal joint assembly 8, the rotary grain lifter can only swing up and down and can not swing left and right, the rotary grain lifter 2 always contacts the ground under the action of the matched spring 7, one end of the power shaft 6 deviating from the mounting frame 4 is sleeved in the bearing seat 1, the bottom of the bearing seat 1 is fixedly connected with a cylinder roller 11, the advancing resistance of the harvesting device is reduced, the rotary grain lifter 2 is prevented from sinking into the soil, the normal operation of the equipment is ensured, the bearing seat 1 is welded with a non-skid block 13 for reducing the friction between the bearing seat and the soil in the direction deviating from the power shaft, the resistance that the bearing frame is inconsistent with the ground in the advancing direction of the harvesting device is reduced, the problem of work efficiency reduction is avoided, the universal joint assembly 8 comprises a universal joint 14 and a rotating piece 16 sleeved outside the universal joint, one end of the universal joint 14 is fixedly connected with a power shaft 6, the other end of the universal joint 14 is fixedly connected with a driven gear 12, the rotating piece 16 comprises a sleeve 15 sleeved with the universal joint 14 and two symmetrical rotating angles 18, pin holes 19 are formed in the rotating angles 18, the rotating piece 16 penetrates through the pin holes 19 through the shaft pins 17 and is rotationally connected with the mounting frame 4, the two symmetrical rotating angles 18 are horizontally arranged, accordingly, the rotating piece 16 can swing up and down in the vertical direction, the length of the sleeve 15 is consistent with half of the length of the universal joint 14, the part of the universal joint 14 in the sleeve 15 can only swing up and down along with the up-and-down swing of the rotating piece 16, and the power shaft 6 can only swing up and down.

The working principle of the invention is as follows: the rotary grain lifter 2 composed of two adjacent conical power shafts 6 has opposite rotation directions, the spiral blades 5 on the power shafts 6 are matched to enable lodged corn to be lifted, rolling and omission in the corn harvesting process are avoided, working strength is reduced, working efficiency is improved, the universal joint assembly 8 on the power shafts 6 enables the rotary grain lifter 2 to rotate up and down relative to the mounting frame 4, the cylindrical roller 11 at the bottom of the bearing seat 1 is matched to reduce friction force with the ground, the anti-skid blocks 13 at the end of the bearing seat 1 are matched, meanwhile, the top end of the grain lifter 2 can well contact the ground and cannot be pricked into soil, the spring 7 between the mounting frame 4 and the rotary grain lifter 2 enables the rotary grain lifter 2 to keep contact with the ground all the time, the working state is stable, and efficiency is improved.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. The utility model provides a lodging corn harvesting device, includes mounting bracket (4) and sets up multiunit snapping roll group (3) in mounting bracket (4) inboard, its characterized in that, mounting bracket (4) tip is installed a plurality of rotatory grain lifter (2) and is driven the transmission of a plurality of rotatory grain lifter (2), rotatory grain lifter (2) include power shaft (6) and set up screw blade (5) on power shaft (6) surface, transmission includes driving gear (9) and driven gear (12) of fixed mounting in power shaft tip of fixed mounting in snapping roll group tip, and every power shaft (6) is corresponding one on relative mounting bracket one end through universal joint sub-assembly (8) driven gear (12), power shaft (6) deviating from mounting bracket (4) one end cover is established in bearing frame (1), bearing frame (1) bottom fixedly connected with cylinder gyro wheel (11), and the welding in the bearing frame (1) is deviating from the direction of axle has anti-skidding piece (13) that reduces bearing frame and soil friction, universal joint sub-assembly (8) include universal joint (14) and are established in universal joint sub-assembly (14) and universal joint (14) are connected with one end of universal joint (14) outside (14) fixed with each other end, the rotating piece (16) comprises a sleeve (15) sleeved with the universal joint (14) and two symmetrical rotating angles (18), pin holes (19) are formed in the rotating angles (18), and the rotating piece (16) is connected with the mounting frame (4) in a rotating mode through the pin holes (19) formed in the shaft pins (17).

2. The lodging corn harvesting device according to claim 1, wherein a pull ring (10) is welded at the bottom of the mounting frame (4), a spring (7) is sleeved on the pull ring, and the other end of the spring (7) is welded on the bearing seat (1).

3. Lodging corn harvesting device according to claim 1, characterized in that the power shaft (6) is conical.

4. A lodging corn harvesting device according to claim 3, wherein the power shaft (6) is 80cm long and 26cm in diameter.

5. A lodging corn harvesting device according to claim 3, wherein the length of the sleeve (15) corresponds to half the length of the universal joint (14).