CN112753360A

CN112753360A - Vertical flexible clamping and conveying device for vegetable moss and harvesting machine

Info

Publication number: CN112753360A
Application number: CN202110053276.6A
Authority: CN
Inventors: 罗海峰; 曾大为; 吴明亮; 谢伟; 杨丽华
Original assignee: Hunan Agricultural University
Current assignee: Hunan Agricultural University
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-05-07
Anticipated expiration: 2041-01-15
Also published as: CN112753360B

Abstract

The invention discloses a vertical flexible clamping and conveying device and a harvesting machine for laver, which comprise a driving system, wherein the driving system is connected with two conveying devices which are arranged in parallel and adjacent to each other, each conveying device comprises a driving chain wheel connected with the driving system, a driven chain wheel connected with the driving chain wheel through an annular chain and a flexible clamping belt fixedly arranged on the periphery of the annular chain, the two conveying devices rotate oppositely under the driving of the driving system, and the middle parts of the flexible clamping belts of the two conveying devices are in contact with each other to form a plurality of vertical clamping spaces for the laver. The invention has the advantages of small and exquisite structure, flexible operation, good field adaptability, small damage to the stem of the moss and capability of realizing the ordered clamping and conveying of the moss.

Description

Vertical flexible clamping and conveying device for vegetable moss and harvesting machine

Technical Field

The invention relates to agricultural harvesting machinery, in particular to a vertical flexible clamping and conveying device for a moss and a harvesting machine.

Background

The moss is a cruciferae and biennial herb plant, is mainly distributed in places such as Guangdong, Shanghai, Zhejiang and the like, is tender in quality, sweet and bitter in taste, rich in nutrition and high in economic value. China is one of the main producing countries of the vegetable and moss in the world, the perennial planting area and the total yield both account for about 30 percent of the world and are the first in the world. The harvesting time of the vegetable moss is generally from the middle ten days of 11 months to the end of 3 months in the next year, and the vegetable moss is mainly fresh food, so that the timeliness of harvesting the vegetable moss is improved. At present, the Chinese cabbage harvesting operation basically adopts a manual harvesting mode, a large amount of labor is consumed, the harvesting efficiency is low, and the harvesting timeliness is influenced. As the labor cost is higher and higher, the economic benefit and market competitiveness of the bolts are directly influenced. Therefore, the development of the vegetable moss harvesting machine and the realization of mechanization of vegetable moss production are beneficial to improving the production efficiency of facility agriculture in China.

Most of the domestic existing moss harvesting machines adopt a horizontal moss conveying mode, for example, a clamping and conveying device of a moss harvesting machine disclosed in Chinese patent CN110447385A adopts a horizontal conveying mode, but the horizontal conveying mode has low conveying efficiency, is disordered and has a large damage rate of stalks in the clamping and conveying process.

Therefore, the design adopts vertical clamping and conveying, and the corrugated belt made of flexible materials is used as a clamping element, so that the problems of low conveying efficiency and high stalk damage rate in the current vegetable moss harvesting process are greatly solved.

Disclosure of Invention

The invention aims to solve the technical problems that in the existing mechanized vegetable moss picking process, the conveying efficiency is low, and the damage rate of stalks is high, and provides a vertical flexible clamping conveying device and a picking machine for vegetable moss, which are high in conveying efficiency and small in stalk damage.

In order to solve the technical problem, the invention provides a vertical flexible clamping and conveying device for laver, which comprises a driving system, wherein the driving system is connected with two conveying devices which are arranged in parallel and adjacent to each other, each conveying device comprises a driving chain wheel connected with the driving system, a driven chain wheel connected with the driving chain wheel through an annular chain, and a flexible clamping belt fixedly arranged on the periphery of the annular chain, the two conveying devices rotate oppositely under the driving of the driving system, and the middle parts of the flexible clamping belts of the two conveying devices are in contact with each other to form a plurality of vertical clamping spaces for the laver.

The invention adopts two flexible clamping belts which are vertically arranged to carry out vertical clamping and ordered conveying of the vegetable moss, improves the conveying efficiency of the vegetable moss and has small damage to the stems of the vegetable moss.

Preferably, the driving sprocket of the conveying device is installed on the driving shaft, the driven sprocket is installed on the driven shaft, and the driving sprocket and the driven sprocket are connected through at least two annular chains arranged in parallel, so that the flexible clamping belt has a certain height, and vertical conveying of the moss in a stable clamping state can be guaranteed.

Preferably, the front ends of the flexible clamping belts of the two conveying devices are provided with a feeding included angle, and the feeding included angle is preferably 60 degrees, so that the normal feeding of the laver in the harvesting process is ensured.

Preferably, the endless chain is formed by connecting end to end chain links with accessories, and the flexible clamping belt is mounted on the endless chain via the accessories.

Preferably, the flexible clamping belt is a flexible corrugated belt, and the damage to the stalks of the laver is reduced as much as possible by utilizing the gaps on the flexible corrugated belt.

Preferably, the annular chain of the conveying devices is provided with a tensioning structure, so that the flexible clamping belts on the two conveying devices can be in a tensioning state, and the normal operation of the vertical clamping and conveying process of the laver is ensured.

Based on the same invention concept, the invention provides a vegetable moss harvester which comprises a walking chassis, wherein the walking chassis is provided with a vegetable moss vertical flexible clamping and conveying device and a cutter, and the conveying device is obliquely arranged above the cutter.

Preferably, the conveying device is arranged above the cutter through an electric push rod, so that the height of the conveying device can be automatically adjusted, and the consistency of the stubble cutting height is further ensured.

Compared with the prior art, the invention has the beneficial effects that:

the invention has the advantages of small and exquisite structure, flexible operation, good field adaptability, small damage to the stem of the moss and capability of orderly clamping and conveying the moss.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a moss harvester of the present invention.

Fig. 2 is a left side view of the moss harvester of the present invention.

Fig. 3 is a partially enlarged view of the conveyor of the moss harvester of the present invention.

Fig. 4 is a top view of the moss harvester of the present invention.

In the figure:

1. a chassis; 2. a traveling wheel; 3. a first motor and a gearbox; 4. a transmission system; 5. a second motor; 6. a cutter; 7. a conveying device; 8. a chain transport system; 9. a tensioning structure; 10. a bevel gear transmission pair; 11. an electric push rod; 71. a drive sprocket; 72. an endless chain; 73. a driven sprocket; 74. a flexible clamping band; 75. the vegetable moss vertically clamps the space; 76. a transfer frame; 77. feeding an included angle; 721. an accessory; 722. and (4) a chain link.

Detailed Description

The invention is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the invention.

For convenience of description, the relative positional relationship of the components, such as: the descriptions of the upper, lower, left, right, etc. are described with reference to the layout directions of the drawings in the specification, and do not limit the structure of the present patent.

As shown in fig. 1 to 4, one embodiment of the moss harvester of the present invention includes a traveling chassis including a chassis 1 and traveling wheels 2 installed at both sides of the chassis 1.

A driving system is arranged on the chassis 1 and comprises a first motor and a gearbox 3 which are arranged on the chassis 1 and a transmission system 4 connected with an output shaft of the gearbox 3. The transmission system 4 comprises a chain transmission system 9 connected with an output shaft of the gearbox 3 and a bevel gear transmission pair 10 arranged at the tail end of the chain transmission system. A cutter 6 and a second motor 5 for driving the cutter 6 are horizontally installed at the front end of the chassis 1.

Two conveyors 7 are mounted in parallel on one side of the chassis 1 via an electric push rod 11, and the front ends of the two conveyors 7 are obliquely mounted above the cutter 6 with their tip ends facing downward. The conveying devices 7 comprise a driving chain wheel 71 connected with the bevel gear transmission pair 10 of the driving system, a driven chain wheel 73 connected with the driving chain wheel 71 through an annular chain 72, and flexible clamping belts 74 fixedly arranged on the periphery of the annular chain 72, under the driving of the driving system, the two conveying devices 7 rotate oppositely, the middle parts of the flexible clamping belts 74 of the two conveying devices 7 are contacted with each other, and a plurality of vertical clamping spaces 75 for the laver are formed.

For making flexible holding belt 74 has certain height, guarantees the vertical transport under the stable clamping state of moss, conveyer 7 still includes a conveying frame 76, the one end installation driving shaft of conveying frame 76, other end installation driven shaft, two driving sprocket 71 of interval installation on the driving shaft, two driven sprocket 73 of interval installation on the driven shaft, just driving sprocket 71 on the driving shaft with driven sprocket 73 on the driven shaft corresponds one by one and sets up in groups, is connected through endless chain 72 between every corresponding driving sprocket 71 of group and the driven sprocket 73, is connected through two parallel arrangement's endless chain 72 between driving sprocket 71 of this embodiment and the driven sprocket 73 promptly. Obviously, the invention is not limited to two endless chains, and only one endless chain, or three, four or even more endless chains, may be disposed between the driving sprocket 71 and the driven sprocket 73, as long as the vertical conveying of the moss in the stable clamping state can be ensured.

In order to ensure the normal feeding of the moss in the harvesting process, the front ends of the flexible clamping belts 74 of the two conveying devices 7 are provided with a feeding included angle 77, and the feeding included angle 77 is preferably 60 degrees.

To facilitate the installation of the flexible clamping belt 74, the endless chain 72 is formed by connecting the chain links 722 of belt attachments 721 end to end, so that the flexible clamping belt 74 can be installed on the endless chain 72 via the attachments 721.

In order to minimize the damage to the stalks of the laver, the flexible clamping band 74 is preferably a flexible corrugated band, so that the grooves on the flexible corrugated band are used to reduce the damage to the stalks of the laver.

The flexible clamping strip 74 may be formed by folding a 14mm by 14mm square flexible sheet and mounting the sheet on the attachment 721 one by one. Obviously, the flexible sheet may be a plastic sheet, a rubber block, or the like.

In order to ensure that the vertical clamping and conveying process of the moss can be normally carried out, the tensioning structure 9 is arranged in the annular chain 72 of the conveying device 7, so that the flexible clamping belt 74 on the conveying device 7 is always in a tensioning state.

The concrete during operation: after the power is reduced and torque is increased through the first motor and the gearbox 3, the output shaft of the gearbox drives the conveying device 7 to rotate through the transmission system 4, meanwhile, the cutter 6 is driven by the second motor 5 to carry out reciprocating cutting movement, and the height of the conveying device 7 is controlled by the electric push rod 11 according to the height of the stubble left on the laver. When the machine of the invention travels forwards in the field, the vegetable moss is gathered into a feeding included angle by the conveying devices 7 in an upright state, is vertically clamped by the flexible clamping belts 74 of the two conveying devices 7, is cut by the cutter 6, is vertically clamped by the conveying devices 7 after being cut, and is upwards conveyed to the tail end of the conveying devices 7, thus completing the clamping and conveying process.

The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.

Claims

1. The utility model provides a vertical flexible centre gripping conveyor of moss, includes actuating system, its characterized in that, actuating system connects two conveyer that just set up side by side and adjacently, each conveyer include with driving system connects the drive sprocket, with the driven sprocket that drive sprocket is connected through the endless chain, fixed mounting in the flexible centre gripping area of endless chain periphery, under actuating system's drive, two conveyer rotate in opposite directions, and the middle part in two conveyer's flexible centre gripping area contacts each other to form the vertical centre gripping space of a plurality of moss.

2. The vertical flexible clamping conveying device for laver according to claim 1, wherein the driving sprocket of the conveying device is mounted on a driving shaft, the driven sprocket is mounted on a driven shaft, and the driving sprocket and the driven sprocket are connected through at least two parallel endless chains.

3. The vertical flexible clamping and conveying device for laver as claimed in claim 1, wherein the front ends of the flexible clamping belts of the two conveying devices are provided with a feeding included angle.

4. The vertical flexible clamping conveying device for laver according to claim 3, wherein the feeding included angle is 60 degrees.

5. The vertical flexible clamping conveying device for laver according to claim 1, wherein the endless chain is formed by connecting end to end chain links with accessories, and the flexible clamping belt is mounted on the endless chain through the accessories.

6. The flexible clamping conveyor of claim 1, wherein the flexible clamping strip is a flexible corrugated strip.

7. The flexible vertical clamping and conveying device for laver as claimed in claim 1, wherein the endless chain of the conveying device is provided with a tension structure.

8. A moss harvester, which comprises a walking chassis, and is characterized in that the walking chassis is provided with a vertical flexible clamping conveying device and a cutter of any one of claims 1 to 7, and the conveying device is obliquely arranged above the cutter.

9. A moss harvester according to claim 1, wherein the conveyor is mounted above the cutter via an electrically powered push rod.