CN210987044U

CN210987044U - Sweet potato harvester with anti-winding device

Info

Publication number: CN210987044U
Application number: CN201921897364.9U
Authority: CN
Inventors: 王涛; 柳国光; 徐锦大; 姚爱萍; 楼婷婷
Original assignee: Zhejiang Agricultural Machinery Research Institute
Current assignee: Jinhua Academy of Agricultural Sciences
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-14
Anticipated expiration: 2029-11-05

Abstract

The utility model provides a sweet potato harvester with anti-wind device belongs to agricultural machine technical field. The problems that the seedling vines of the sweet potatoes which are not crushed are easy to block or hang on radial plates on two sides of the front end of the harvester during operation of the existing sweet potato harvester, soil is blocked by machines and tools and the like are solved. The sweet potato harvester with the anti-winding device comprises a rack, the anti-winding device, a digging shovel, a potato separating and conveying device and a chain transmission system, wherein the digging shovel is arranged at the front part of the rack, the anti-winding device is arranged on two sides of the digging shovel, and the potato separating and conveying device is arranged at the rear part of the digging shovel. The utility model has the advantages that when the harvest operation, the crushed sweet potato vine is cut off when passing through the disc cutter, and is transported to the rear or the outside of the frame along with the soil, thereby improving the work efficiency.

Description

Sweet potato harvester with anti-winding device

Technical Field

The utility model belongs to the technical field of agricultural machine, a sweet potato harvester with anti-wind device is related to.

Background

The sweet potato is a sprawling crop, the vines of the sweet potato usually grow to 1.5-2.5m, are luxuriant in growth, crawl on ridges, are interlaced and wound, and are seriously difficult to separate. At present, most of seedling killing machines which are used are rotated, smashed and returned to the field, furrow and seedling vines growing close to the ground are not easy to be smashed by smashing knives and are difficult to cut, the smashed vines are accumulated in the furrow and laid, the harvester is very easy to block or hang on radial plates on two sides of the front end of the harvester during operation, the more the broken vines are accumulated, hilling and blocking of machines and tools are caused, ridge tops and broken vines of the furrow often need to be cleaned manually and secondarily, the manual operation cost is increased, the harvesting operation is discontinuous, the harvesting quality is poor, the harvesting efficiency of the machines and tools is low, with the acceleration of the land circulation speed, domestic sweet potato planting households are increased, and the demand of the sweet potato harvesting equipment with higher production efficiency is more and.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of the prior sweet potato harvester and providing a sweet potato harvester with an anti-winding device.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a sweet potato harvester with prevent twining device, includes frame, prevents twining device, digger blade, soil potato separation conveyor and chain drive system, and the digger blade sets up in the front portion of frame, and the prevent twining device sets up in the both sides of digger blade, and soil potato separation conveyor sets up at the rear portion of digger blade, its characterized in that has the import with soil potato separation conveyor's input intercommunication in the frame, and above-mentioned prevent twining device has two sets ofly, establishes respectively on the two inside walls of import.

The sweet potato harvester with the anti-winding device comprises a blade cover, a circular disc cutter, a cutter shaft and a bearing seat, wherein the anti-winding device is fixed at the front ends of the two sides of the frame through the bearing seat and driven by a chain wheel transmission system, the blade cover, the circular disc cutter and the cutter shaft are fixedly locked through nuts, the circular disc cutter is integrally and rotatably connected with the bearing seat, one end of the cutter shaft is connected with the circular disc cutter, and the other end of the cutter shaft is connected with a cutter head chain wheel.

In foretell sweet potato harvester with antiwind device, the digger blade be "mountain" style of calligraphy design, the digger blade back edge is equipped with one row of hack bars, and the hack bar is the distribution of harrow cusp, and the one end of hack bar is connected with the back edge of digger blade, and the other end flushes with soil potato separation conveyor upper plane, and the digger blade whole face is the concave type, and the centre is low two-end height.

The sweet potato harvester with the anti-winding device is characterized in that the sweet potato separating and conveying device comprises a conveying net chain, a net chain wheel, a conveying driving shaft and a conveying driven shaft, the front end of the annular conveying net chain is provided with the conveying driven shaft, two ends of the conveying driven shaft are respectively fixed with the net chain wheel, the rear end of the conveying net chain is provided with the conveying driving shaft, one end of the conveying driving shaft is provided with the net chain wheel, the other end of the conveying driving shaft is provided with the net chain wheel and the conveying chain wheel, and the conveying chain wheel is arranged on the outer side of the net chain wheel.

At foretell sweet potato harvester with prevent twining device, chain drive system include gearbox, output shaft, power sprocket, transmission shaft, driving sprocket, carry sprocket, blade disc sprocket and chain, the gearbox sets up on potato separation conveyor's upper portion, the one end of output shaft is passed through the shaft coupling and is connected with the output of gearbox, the other end is connected with power sprocket, two driving sprocket settings are at the both ends of a transmission shaft, the transmission shaft rotates with the bearing frame of fixing on frame both sides board to be connected, power sprocket passes through the chain and drives conveying sprocket and driving sprocket, thereby driving sprocket passes through the chain and drives the rotation of disk cutter.

In the sweet potato harvester with the anti-winding device, the chain transmission system is powered by the rear output shaft of the tractor, and the power is respectively transmitted to the anti-winding device and the sweet potato separating and conveying device through the gearbox and the chain.

In the sweet potato harvester with the anti-winding device, the cutter shaft is provided with the positive and negative threads, so that the friction force borne by the circular cutter is consistent with the rotation direction of the circular cutter.

In the sweet potato harvester with the anti-winding device, the circular disc cutter adopts a sliding cutting mode, and the sliding cutting angle of the circular disc cutter is 20 degrees.

In the sweet potato harvester with the anti-winding device, the left side and the right side of the digging shovel are respectively provided with the adjusting plate, the adjusting plates are rotatably connected with the rack, and the working angle of the digging shovel and the sweet potato separating and conveying device can be adjusted.

In the sweet potato harvester with the anti-winding device, the transmission chain wheel is a double-row chain wheel, and the transmission chain wheel close to one side of the power chain wheel is a double-row chain wheel.

Compared with the prior art, when the sweet potato harvester with the anti-winding device is used for harvesting, the uncrushed sweet potato vine vines are cut off when passing through the disc cutter and are transported to the rear or the outer side of the frame along with soil, so that the problem of vine winding is solved, and the working efficiency is greatly improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention;

fig. 2 is a schematic structural view of the anti-wind device of the present invention;

fig. 3 is a cross-sectional view of the anti-wind device of the present invention;

in the figure, 1, a frame; 2. a cutter disk; 201. a blade cover; 202. a cutter shaft; 203. a bearing seat; 3. excavating a shovel; 301. an adjusting plate; 302. a soil crushing grid bar; 4. a gearbox; 401. an output shaft; 402. a power sprocket; 403. a drive shaft; 404. a drive sprocket; 405. a conveying sprocket; 406. a cutter head chain wheel; 407. a chain; 5. a conveying network chain; 501. a net sprocket; 502. a transmission driving shaft.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments. As shown in figure 1, the sweet potato harvester with the anti-winding device comprises a frame 1, the anti-winding device, a digging shovel 3, soil and potato separating and conveying devices and a chain 407 transmission system, wherein the digging shovel 3 is arranged at the front part of the frame 1, the anti-winding device is arranged at two sides of the digging shovel 3, the soil and potato separating and conveying devices are arranged at the rear part of the digging shovel 3, the frame 1 is provided with an inlet communicated with the input end of the soil and potato separating and conveying devices, the anti-winding device is provided with two groups which are respectively arranged on two inner side walls of the inlet, and the anti-winding device is fixed at the front ends of two sides of the frame 1 through a bearing seat 203 and driven by a chain wheel transmission system.

As shown in fig. 2 and 3, the anti-wind device includes a blade cover 201, a circular disc cutter 2, a cutter shaft 202 and a bearing housing 203, the blade cover 201, the disc cutter 2 and the cutter shaft 202 are fixedly locked through nuts, the disc cutter 2 is integrally and rotatably connected with the bearing seat 203, one end of the cutter shaft 202 is connected with the disc cutter, the other end of the cutter shaft is connected with the cutter head chain wheel 406, the cutter shaft 202 is provided with positive and negative threads, the friction force borne by the disc cutter 2 is consistent with the rotation direction of the disc cutter 2, the disc cutter and the cutter shaft 202 are always in a state of screwing and screwing, the disc cutter 2 adopts a sliding cutting mode, the sliding cutting angle of the disc cutter 2 is 20 degrees, the size of the sliding cutting angle directly influences the power consumption when cutting the seedling vines, the reasonable sliding cutting angle can reduce the power consumption, when the uncrushed sweet potato vine vines pass through the disc cutter 2, the sweet potato vine vines are cut off and conveyed to the rear or the outer side of the rack 1 along with soil, the problem of vine winding is solved, and the working efficiency is greatly improved.

As shown in figure 1, the digging shovel 3 plays a role of digging sweet potatoes and soil and conveying the sweet potatoes and the soil to the separation and conveying device, the digging shovel 3 is designed in a shape of Chinese character 'shan', a tip point structure in the shape of Chinese character 'shan' enables strength to be concentrated by protruding the tip point, red yellow soil with heavy stickness is dug in the upturned soil, hardened soil blocks are loosened, further advancing resistance of the digging shovel 3 is reduced, the soil and the sweet potatoes are dug smoothly, the digging shovel 3 is concave in whole surface, low in the middle and high in two ends, soil breaking performance of the digging shovel 3 is enhanced, soil breaking bars 302 are arranged at the rear part of the digging shovel 3, the soil breaking bars 302 are distributed in a shape of harrow teeth, sweet potatoes and soil overflow is effectively prevented, one end of each soil breaking bar 302 is connected with the rear edge of the digging shovel, the other end of each soil breaking bar is flush with the upper plane of the soil and potato separation and conveying device, outflow of a large amount of broken soil is guaranteed, sweet potatoes are conveyed, the left and right sides of the digging shovel 3 are respectively provided with an adjusting plate 301, the adjusting plates 301 are rotatably connected with the frame 1, and the working angle of the digging shovel 3 and the soil and potato separating and conveying device can be adjusted.

As shown in fig. 1, the sweet potato separating and conveying device is used for separating and conveying sweet potatoes from soil, and comprises a conveying net chain 5, net chain wheels 501, a conveying driving shaft 502 and a conveying driven shaft, wherein the front end of the annular conveying net chain 5 is provided with the conveying driven shaft, two ends of the conveying driven shaft are respectively fixed with one net chain wheel 501, the rear end of the conveying net chain 5 is provided with the conveying driving shaft 502, one end of the conveying driving shaft 502 is provided with one net chain wheel 501, the other end of the conveying driving shaft is provided with one net chain wheel 501 and one conveying chain wheel 405, and the conveying chain wheel 405 is arranged outside the net chain wheel 501.

As shown in fig. 1, the chain 407 transmission system comprises a gearbox 4, an output shaft 401, a power sprocket 402, a transmission shaft 403, the power transmission system comprises a transmission chain wheel 404, a conveying chain wheel 405, a cutter head chain wheel 406 and a chain 407, wherein power is provided by a rear output shaft 401 of the tractor through a transmission case 4 and the chain 407, the power is respectively transmitted to the anti-winding device and the potato separation and conveying device through the transmission case 4, the transmission case 4 is arranged at the upper part of the potato separation and conveying device, one end of the output shaft 401 is connected with the output end of the transmission case 4 through a coupler, the other end of the output shaft is connected with the power chain wheel 402, the two transmission chain wheels 404 are arranged at two ends of a transmission shaft 403, the transmission shaft 403 is rotatably connected with bearing seats 203 fixed on two side plates of the rack 1, the power chain wheel 402 drives the conveying chain wheel 405 and the transmission chain wheel 404 through.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e. in a manner equivalent to "including at least … …", and not in a closed manner, i.e. in a manner not to be interpreted as "including … … only".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a sweet potato harvester with prevent twining device, includes frame, prevents twining device, digger blade, soil potato separation conveyor and chain drive system, and the digger blade sets up in the front portion of frame, and the prevent twining device sets up in the both sides of digger blade, and soil potato separation conveyor sets up at the rear portion of digger blade, its characterized in that has the import with soil potato separation conveyor's input intercommunication in the frame, and above-mentioned prevent twining device has two sets ofly, establishes respectively on the two inside walls of import.

2. The sweet potato harvester with the anti-winding device as claimed in claim 1, wherein the anti-winding device comprises a blade cover, a circular disc cutter, a cutter shaft and a bearing seat, the anti-winding device is fixed at the front ends of two sides of the frame through the bearing seat and driven by a chain wheel transmission system, the blade cover, the circular disc cutter and the cutter shaft are fixedly locked through nuts, the circular disc cutter is integrally and rotatably connected with the bearing seat, one end of the cutter shaft is connected with the circular disc cutter, and the other end of the cutter shaft is connected with a cutter disc chain wheel.

3. The sweet potato harvester with the anti-winding device as claimed in claim 1, wherein the digging shovel is designed in a shape like a Chinese character 'shan', a row of soil breaking bars are arranged on the rear edge of the digging shovel, the soil breaking bars are distributed in a shape of a harrow tooth, one end of each soil breaking bar is connected with the rear edge of the digging shovel, the other end of each soil breaking bar is flush with the upper plane of the soil and potato separating and conveying device, the whole surface of the digging shovel is concave, and the middle of the digging shovel is lower than the upper plane of the soil and potato separating and conveying device, and the two ends of.

4. The sweet potato harvester with the anti-winding device as claimed in claim 1, wherein the sweet potato separating and conveying device comprises a conveying net chain, a net chain wheel, a conveying driving shaft and a conveying driven shaft, the front end of the annular conveying net chain is provided with the conveying driven shaft, two ends of the conveying driven shaft are respectively fixed with the net chain wheel, the rear end of the conveying net chain is provided with the conveying driving shaft, one end of the conveying driving shaft is provided with the net chain wheel, the other end of the conveying driving shaft is provided with the net chain wheel and the conveying chain wheel, and the conveying chain wheel is arranged outside the net chain wheel.

5. The sweet potato harvester with the anti-winding device as claimed in claim 1, wherein the chain transmission system comprises a gearbox, an output shaft, a power chain wheel, a transmission shaft, a transmission chain wheel, a conveying chain wheel, a cutter head chain wheel and a chain, the gearbox is arranged on the upper portion of the sweet potato separating and conveying device, one end of the output shaft is connected with the output end of the gearbox through a coupler, the other end of the output shaft is connected with the power chain wheel, the two transmission chain wheels are arranged at two ends of the transmission shaft, the transmission shaft is rotatably connected with bearing seats fixed on two side plates of the frame, the power chain wheel drives the conveying chain wheel and the transmission chain wheel through the chain, and the transmission chain wheel drives the cutter head chain wheel through the.

6. The sweet potato harvester with the anti-winding device as claimed in claim 1 or 5, wherein the chain transmission system is powered by a rear output shaft of the tractor, and the power is transmitted to the anti-winding device and the potato separating and conveying device through a gearbox and a chain respectively.

7. The sweet potato harvester with the anti-winding device as claimed in claim 2, wherein the cutter shaft is provided with positive and negative threads, so that the friction force applied to the cutter disk is consistent with the rotation direction of the cutter disk.

8. The sweet potato harvester with the anti-winding device as claimed in claim 2, wherein the cutting disc adopts a sliding cutting mode, and the sliding cutting angle of the cutting disc is 20 degrees.

9. The sweet potato harvester with the anti-winding device as claimed in claim 1 or 3, wherein the digging shovel is provided with an adjusting plate at each of the left and right sides, the adjusting plate is rotatably connected with the frame, and the working angle of the digging shovel and the potato separating and conveying device can be adjusted.