CN217694406U

CN217694406U - Ear picking mechanism and ear harvesting header

Info

Publication number: CN217694406U
Application number: CN202220193294.4U
Authority: CN
Inventors: 李衡; 李侠; 杨香林; 张卜然; 裴颖
Original assignee: Hebei Yinghu Agricultural Machinery Manufacturing Co Ltd
Current assignee: Hebei Yinghu Agricultural Machinery Manufacturing Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-11-01
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses an ear picking mechanism and an ear harvesting header, which comprises an ear picking bracket and a gear box arranged at the rear end of the ear picking bracket; a reel chain group arranged at the upper end of the ear picking bracket; the reel chain group comprises a feeding chain and a conveying chain, the feeding chain is positioned at the front end of the conveying chain and is arranged in an upper-lower double-layer mode, the conveying chain is connected with the gearbox, and the feeding chain is connected with the conveying chain in a transmission mode. The utility model provides a pluck ear of grain mechanism, a pair of feeding chain are roughly V-arrangement for with the leading-in to plucking ear of grain pair roller front end department of maize trunk, then a pair of conveying chain is used for carrying the ear of grain centre gripping after picking to next process, because the power that the conveying chain bore is great, if take place to damage, only need change the conveying chain can, saved maize picker use cost.

Description

Ear picking mechanism and ear harvesting header

Technical Field

The utility model relates to a maize picker field especially relates to an ear picking mechanism and ear harvesting header.

Background

A corn harvester is an agricultural machine for picking and collecting corn ears, which picks the ears on corn stalks by using an ear header at the front end of a vehicle body and conveys the picked corn ears to a large elevator. The ear picking mechanism of the existing corn ear header generally adopts a left long seedling pulling chain and a right long seedling pulling chain to carry out seedling pulling and feeding on corn stalks and convey corn ears picked by a picking roller to an inlet of a large elevator.

For example, patent zl201420562973.X discloses a corn harvester ear picking mechanism which picks ears by pulling a corn stalk to an ear picking roller through a grain pulling chain arranged on the left and right, and lifts the picked ears to a large lifter through the grain pulling chain for subsequent treatment. The structure adopts a group of grain pulling chains for grain pulling and conveying, the grain pulling speed and the fruit cluster conveying speed are the same, the fruit cluster conveying speed cannot be further improved, the lifting speed is slow, and the efficiency is low; moreover, the force applied to the reel chain in the ear conveying process is far greater than the force applied to the reel chain in the reel-up process, and the reel chain needs to be replaced after being damaged after long-term operation, so that the use cost of farmers is increased.

Therefore, how to provide a snapping mechanism which has a good conveying effect and can reduce the use cost is one of the problems which need to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model discloses a following technical scheme:

a snapping mechanism of a corn harvester, which comprises a snapping bracket,

the gearbox is arranged at the rear end of the snapping support;

a reel chain group arranged at the upper end of the ear picking bracket;

the reel chain group comprises a feeding chain and a conveying chain, the feeding chain is positioned at the front end of the conveying chain and is arranged in an upper-lower double-layer mode, the conveying chain is connected with the gearbox, and the feeding chain is connected with the conveying chain in a transmission mode.

Preferably, the feeding chain is positioned on the upper layer of the conveying chain and is in transmission connection with the driven reel.

Preferably, the conveying chain comprises a chain body, outwardly extending reel teeth are evenly distributed on the periphery of the chain body at intervals, and the outer ends of the reel teeth extend to the edge of the opposite ear picking plate.

Preferably, the upper end of the gearbox is provided with a driving reel, and the conveying chain is meshed with the driving reel and the driven reel; the feeding chain is meshed and connected with the driven reel.

Preferably, the driven reel is rotatably arranged at the upper end of the ear picking bracket and comprises a conveying chain transmission part and a feeding chain transmission part, the conveying chain transmission part is meshed with the conveying chain, and the feeding chain transmission part is meshed with the feeding chain.

Preferably, the ear picking mechanism further comprises ear picking double rollers arranged at the lower end of the ear picking bracket, and the ear picking double rollers are in transmission connection with the front end of the gearbox;

and the ear picking plate is arranged on the upper end surface of the ear picking support.

Preferably, an output shaft is arranged at the front end of the gearbox, and the ear picking roller pairs are in transmission connection with the output shaft through universal ball joints.

The utility model also provides a maize harvesting header, pluck ear of grain mechanism including a plurality of above-mentioned maize picker, just pluck ear of grain mechanism and set up side by side.

The utility model adopts the above technical scheme after, compare with prior art, have following advantage:

the utility model provides a pluck ear of grain mechanism, a pair of feeding chain are roughly V-arrangement for with the leading-in to plucking ear of grain pair roller front end department of maize trunk, then a pair of conveying chain is used for carrying the ear of grain centre gripping after picking to next process, because the power that the conveying chain bore is great, if take place to damage, only need change the conveying chain can, saved maize picker use cost.

Drawings

FIG. 1 is a structural diagram of the corn harvesting header of the utility model;

FIG. 2 is the whole structure diagram of the ear picking mechanism of the utility model;

FIG. 3 is a side view of the ear picking mechanism of the utility model;

FIG. 4 is an exploded view of the ear picking mechanism of the present invention;

FIG. 5 is a view showing the structure of the driven reel of the present invention;

fig. 6 is a connection structure diagram of a gearbox and a snapping double-roll.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

As shown in fig. 1, the ear harvesting header comprises a plurality of ear picking mechanisms 1 arranged side by side, specifically, the number of the ear picking mechanisms in the embodiment is four, and the ear picking mechanisms are used for four-row harvesting.

As shown in fig. 2-6, the ear picking mechanism 1 comprises an ear picking bracket 20,

a gear box 21 arranged at the rear end of the ear picking bracket 20;

the reel chain group 22 is arranged at the upper end of the ear picking support 20, and the reel chain group 22 is in transmission connection with the gearbox 21;

the ear picking double-roller 23 is arranged at the lower end of the ear picking bracket 20, and the ear picking double-roller 23 is connected to the front end of the gear box 21 in a transmission manner;

a snapping plate 24 arranged on the upper end surface of the snapping bracket 20.

Further, referring to fig. 2-3, the reel chain group 22 includes a feeding chain 221 and a conveying chain 222, the feeding chain 221 is located at the front end of the conveying chain 222 and is disposed in a double-layer manner, the conveying chain 222 is in transmission connection with the gear box 21, and the feeding chain 221 is in transmission connection with the conveying chain 222. Through the arrangement, the pair of feeding chains 221 is approximately V-shaped and used for guiding corn plants to the front ends of the ear picking roller pairs, then the pair of conveying chains 222 is used for clamping and conveying the picked ears to the next process, and due to the fact that the force borne by the conveying chains 222 is large, if damage occurs, only the conveying chains 222 need to be replaced, and the use cost of the corn harvester is saved.

Further, referring to fig. 4, the feeding chain 221 is located at the upper layer of the conveying chain 222 and is in transmission connection with the driven reel 223.

Further, referring to fig. 4, each of the feeding chain 221 and the conveying chain 222 includes a chain body 2220, the chain body 2220 is uniformly and circumferentially provided with outwardly extending cutting teeth 2221 at intervals, and the outer ends of the cutting teeth 2221 extend to the edge of the opposite ear picking plate 24.

Further, referring to fig. 2 and 4, a driving reel 211 is arranged at the upper end of the gearbox 21, and the conveying chain 222 is engaged with the driving reel 211 and the driven reel 223; the feeding chain 221 is engaged with the driven reel 223. Through the arrangement, the driving reel 211 drives the conveying chain 222 and the driven reel 223 to move, and the driven reel 223 drives the feeding chain 221 to move.

Further, referring to fig. 4-5, the driven reel 223 is rotatably disposed at the upper end of the snapping bracket 20 and comprises a conveyor chain transmission part 2231 and a feeder chain transmission part 2232, wherein the conveyor chain transmission part 2231 is engaged with the conveyor chain 222, and the feeder chain transmission part 2232 is engaged with the feeder chain 221.

Further, referring to fig. 6, an output shaft 212 is arranged at the front end of the gearbox 21, and the snapping roll pair 23 is connected to the output shaft 212 through a universal ball joint.

The above description is illustrative of the best mode contemplated for carrying out the present invention and the details not specifically mentioned are within the common general knowledge of those skilled in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims

1. A snapping mechanism, which comprises a snapping bracket (20),

a gear box (21) arranged at the rear end of the ear picking bracket (20);

a reel chain group (22) arranged at the upper end of the ear picking bracket (20);

the automatic reel chain is characterized in that the reel chain group (22) comprises a feeding chain (221) and a conveying chain (222), the feeding chain (221) is located at the front end of the conveying chain (222) and is arranged in an up-down double-layer mode, the conveying chain (222) is in transmission connection with the gearbox (21), and the feeding chain (221) is in transmission connection with the conveying chain (222).

2. The snapping mechanism of claim 1, wherein: the feeding chain (221) is positioned on the upper layer of the conveying chain (222) and is in transmission connection with the driven reel (223).

3. The snapping mechanism of claim 1, wherein: the conveying chain (222) comprises a chain body (2220), the periphery of the chain body (2220) is evenly distributed with outward extending reel teeth (2221) at intervals, and the outer ends of the reel teeth (2221) extend to the edge of the opposite ear picking plate (24).

4. A snapping mechanism according to claim 3, wherein: a driving reel (211) is arranged at the upper end of the gearbox (21), and the conveying chain (222) is meshed with the driving reel (211) and the driven reel (223); the feeding chain (221) is engaged with the driven reel (223).

5. The snapping mechanism of claim 4, wherein: the driven reel (223) is rotatably arranged at the upper end of the snapping support (20) and comprises a conveyor chain transmission part (2231) and a feed chain transmission part (2232), the conveyor chain transmission part (2231) is meshed with the conveyor chain (222), and the feed chain transmission part (2232) is meshed with the feed chain (221).

6. An ear plucking mechanism as claimed in any one of claims 1 to 5, characterized in that: the ear picking mechanism also comprises an ear picking double-roller (23) arranged at the lower end of the ear picking bracket (20), and the ear picking double-roller (23) is connected to the front end of the gear box (21) in a transmission way;

and a snapping plate (24) arranged on the upper end surface of the snapping support (20).

7. The snapping mechanism of claim 6, wherein: an output shaft (212) is arranged at the front end of the gearbox (21), and the ear picking pair rollers (23) are in transmission connection with the output shaft (212) through universal ball joints.

8. A ear harvesting header, characterized in that it comprises a plurality of ear plucking mechanisms according to any one of claims 1 to 7, arranged side by side.