CN213847643U

CN213847643U - Potato harvester

Info

Publication number: CN213847643U
Application number: CN202022739705.9U
Authority: CN
Inventors: 李卫; 王巡; 陈客舟
Original assignee: Northwest A&F University
Current assignee: Northwest A&F University
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-08-03
Anticipated expiration: 2030-11-24

Abstract

The utility model relates to a potato harvester, including frame, digger blade, preceding link joint, back driving chain, three point linkage, rolling bearing, sprocket, spout, lower collecting box, back collecting box, transmission shaft, front axle, front drive axle, rear axle, back drive axle, bevel gear box, preceding baffle, backplate, preceding rubber gear, back rubber gear, rear wheel axle. Related parts are fastened on the frame through bolts. The transmission mechanism is arranged on the rack, one end of the transmission mechanism is connected with the driving device, the transmission mechanism comprises a transverse transmission shaft, a bevel gear box, a transmission chain and a plurality of transmission chain wheels, the transverse transmission shaft is arranged on the rack and is connected with the rack, and the power transmission mode among the transverse transmission shafts is carried out by using chain transmission through the chain wheels arranged on the transverse transmission shaft. The utility model discloses can significantly reduce the potato and excavate the manpower and materials consumption of results in-process to reach save time, reduce cost's purpose.

Description

Potato harvester

Technical Field

The utility model belongs to the technical field of agricultural machine, concretely relates to potato harvester.

Background

China is the first high-yield country in the potato world, the planting area of the potatoes is about 7000 mu in 2018, and the Ministry of agriculture proposes to expand the planting area of the potatoes to more than 1 hundred million mu in 2020. Compared with the current planting conditions in complex conditions in China, particularly the narrow strip-shaped potato fields in Gansu, Ningxia and the like, the narrow strip-shaped potato fields are generally narrow, and large traction type potato harvesters or self-propelled potato combine harvesters cannot smoothly turn around the field. Therefore, a potato harvester suitable for the narrow and long plots in hilly and mountainous areas needs to be designed.

SUMMERY OF THE UTILITY MODEL

In order to achieve the aim, the utility model discloses a potato harvester, it can the reinforce to bury, the potato excavates effectually, and grading plant is reliable, and stable in structure adapts to various complicated field environment

In order to achieve the above purpose, the utility model adopts the following scheme:

a potato harvester comprises a rack, a digging shovel, a front chain plate, a rear transmission chain, a three-point suspension device, a bearing with a seat, a chain wheel, a chute, a lower collecting box, a rear collecting box, a transmission shaft, a front driving shaft, a rear driving shaft, a bevel gear box, a front baffle plate, a rear baffle plate, a front rubber gear, a rear wheel shaft and a chain transmission mechanism.

Further, a rear wheel shaft and a front shaft which are provided with rear wheels, a front driving shaft, a rear shaft and a rear driving shaft are fixed on the frame by using a bearing with a seat; the digging shovel, the three-point suspension device, the chute, the lower collecting box and the rear collecting box are fixed on the frame by bolts.

Further, the chain wheel I is arranged on the transmission shaft; the chain wheel II is arranged on the front driving shaft; the chain wheel III is arranged on the rear driving shaft.

Further, the front rubber gear I and the front rubber gear II are arranged on the front shaft; the front rubber gear III and the front rubber gear IV are arranged on the front driving shaft; the rear rubber gear I and the rear rubber gear II are arranged on the rear shaft; the rear rubber gear III and the rear rubber gear IV are arranged on the rear driving shaft

Furthermore, the front chain plate is mounted on the rubber gears of the front shaft and the front driving shaft in an enveloping manner, and the rear chain plate is mounted on the rubber gears of the rear shaft and the rear driving shaft in an enveloping manner.

Further, the transmission shaft transmits power to a front driving shaft of the potato harvester through a front transmission chain.

Further, the front driving shaft transmits power to a rear driving shaft of the potato harvester through a rear transmission chain.

Furthermore, the front driving shaft drives a front chain plate to convey the potatoes to a rear chain plate of the machine body through a rubber gear on the shaft. The rear driving shaft drives the rear chain plate to convey the potatoes with larger heads to the collecting box behind the machine body through the rubber gear on the shaft, and the potatoes with smaller heads pass through the rear chain plate and fall into the lower collecting box.

When the tractor works, a tractor or other power devices are used as traction devices; the power output shaft of a tractor or other power devices is used for transmitting power to the transmission chain plate through the bevel gear box, the transmission shaft, the front driving shaft, the rear shaft and the rear driving shaft to drive the potatoes to move to the rear of the whole machine along the transmission chain plate.

The potato harvester has the following beneficial effects:

(1) the utility model discloses in, potato harvester's size will be less than the self-propelled potato combine on the market, and the structure is light. Does not need too large power tractor traction, and is suitable for terraced fields, hills and hilly lands with complex terrain structures.

(2) The utility model discloses can accomplish preliminary grading according to the size difference of potato through the interval difference of back link joint, can reduce the manpower loss by a wide margin, practice thrift the cost.

Drawings

FIG. 1: the utility model discloses potato harvester's among the embodiment structural schematic diagram.

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings which are needed to be used in the description of the prior art of the embodiments of the present invention will be briefly described below. It is obvious that the drawings in the following description are only embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from the provided drawings without inventive effort.

Description of reference numerals: 1-sprocket II; 2-front rubber gear III; 3-rear rubber gear I; 4-front baffle plate, 5-front chain plate; 6-front drive chain; 7-three-point suspension device, 8-transmission shaft; 9-sprocket I; 10-a pedestal bearing; 11-front rubber gear I; 12-bevel gear box; 13-digging shovel; 14-front shaft, 15-front rubber gear II; 16-a frame; 17-front rubber gear IV; 18-sprocket III; 19-lower collection box; 20-rear axle; 21-rear rubber gear II; 22 — rear drive chain; 23-a chute; 24-a tailgate; 25-rear rubber gear IV, 26-rear wheel; 27-sprocket IV; 28-rear collection box; 29 — rear drive shaft; 30-a rear chain plate; 31 — a front drive shaft; 32-rear rubber gear iii.

Detailed Description

The technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Fig. 1 shows an embodiment of the potato harvester of the present invention.

As shown in FIG. 1, a chain wheel I9 of the potato harvester in the embodiment is arranged on a transmission shaft 8, and a chain wheel II 1 is arranged on a front driving shaft 31; the chain wheel III 18 is arranged on the front driving shaft 31, and the chain wheel IV 27 is arranged on the rear driving shaft 29; the drive shaft 8, the front drive shaft 31 and the rear drive shaft 29 are power-driven by means of chain drives.

When the utility model works, a tractor or other power devices are used as a traction device; the power is output into the bevel gear box 13 by using a power output shaft of a tractor or other power devices, the bevel gear box 13 converts the power direction, and the power is transmitted to the front driving shaft 31 by the transmission shaft 8 through the front transmission chain 6; the front drive shaft 31 transmits power to the rear drive shaft 29 through the rear drive chain 22; the front driving shaft 31 drives the front rubber gear III 2 and the front rubber gear IV 17 to do rotary motion, the front chain plate 5 acts on the front rubber gear I2 and the front rubber gear II 15 to drive the front shaft 14 to do rotary motion, and the upper surface of the front chain plate 5 drives the potatoes to move towards the rear upper part of the whole machine; similarly, the rear driving shaft 29 drives the rear rubber gear III 32 and the rear rubber gear IV 25 to rotate, the rear chain plate 31 acts on the rear rubber gear I3 and the rear rubber gear II 21 to drive the rear shaft 20 to rotate, and the upper surface of the rear chain plate 31 drives the potatoes to move towards the rear of the whole machine

The front shaft 14, the front driving shaft 31, the front chain plate 5, the front rubber gear I2, the front rubber gear II 15, the front rubber gear III 2 and the front rubber gear IV 17 form a potato soil separation part of the potato harvester, so that the potatoes are driven to move upwards along the front chain plate 5, and impurities such as soil, stones and the like mixed in the potatoes are removed; the front baffle 4 ensures that the potatoes cannot be lost from two sides in the ascending process; the rear shaft 20, the rear driving shaft 29, the rear chain plate 30, the rear rubber gear I3, the rear rubber gear II 21, the rear rubber gear III 32 and the rear rubber gear IV 25. The screening and grading part of the potato harvester is formed, and smaller potatoes fall down along the gap between the chain plate rods and the rods and fall into the lower collecting box 19 through the sliding chute 23; the rear baffle 24 and the chute 23 ensure that potatoes are not lost from both sides during the grading and cleaning process.

The utility model discloses a chain drive can be regarded as to the whole transmission of front and back link joint, and the chain drive can produce the vibration in the motion process itself. The potato cannot be damaged by tiny vibration, and mechanical damage is caused. Also helps to improve the screening and grading efficiency of the potatoes.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements of the method concept and the technical solution of the present invention can be made without modification, or the present invention can be directly applied to other occasions without modification, and is within the protection scope of the present invention.

Claims

1. A potato harvester is characterized by comprising a rack, a digging shovel, a front chain plate, a rear transmission chain, a three-point suspension device, a bearing with a seat, a chain wheel, a chute, a lower collecting box, a rear collecting box, a transmission shaft, a front driving shaft, a rear driving shaft, a bevel gear box, a front baffle plate, a rear baffle plate, a front rubber gear I, a front rubber gear II, a front rubber gear III, a front rubber gear IV, a rear rubber gear I, a rear rubber gear II, a rear rubber gear III, a rear rubber gear IV, a rear wheel shaft and a rear chain plate; the front rubber gear I and the front rubber gear II are arranged on the front shaft; the front rubber gear III and the front rubber gear IV are arranged on the front driving shaft; the rear rubber gear I and the rear rubber gear II are arranged on the rear shaft; the rear rubber gear III and the rear rubber gear IV are arranged on the rear driving shaft; the rear wheel shaft, the front driving shaft, the rear shaft and the rear driving shaft are fixed on the frame through a bearing with a seat; the digging shovel, the three-point suspension device, the chute, the lower collecting box and the rear collecting box are fixed on the rack by bolts; the front chain plate is mounted on the rubber gears of the front shaft and the front driving shaft in an enveloping manner; and the rear chain plate is enveloped on the rubber gears of the rear shaft and the rear driving shaft.

2. The potato harvester of claim 1, wherein the front chain plates wrapped on the front rubber gear have a smaller pitch for potato-soil separation; the distance between the rear chain plates wrapped on the rear rubber gear is larger so as to achieve the purpose of grading potatoes; the lower collecting box collects the smaller potatoes which pass through the gap between the rear chain plate rods, and the rear collecting box collects the larger potatoes which fall from the rear of the rear chain plate.