CN203646055U

CN203646055U - Root crop harvester

Info

Publication number: CN203646055U
Application number: CN201320731051.2U
Authority: CN
Inventors: 吴洪珠; 逄锦超
Original assignee: QINGDAO HONGZHU AGRICULTURAL MACHINERY CO Ltd
Current assignee: QINGDAO HONGZHU AGRICULTURAL MACHINERY CO Ltd
Priority date: 2013-11-19
Filing date: 2013-11-19
Publication date: 2014-06-18
Anticipated expiration: 2023-11-19

Abstract

The utility model belongs to the technical field of agricultural machines, and particularly relates to a novel root crop harvester matched with a small four-wheel tractor. The root crop harvester solves the problems that due to adoption of a lifting-chain-type potato and soil separation mechanism, the size of a machine is exceedingly large, the structure is complicated, and production cost is high. The root crop harvester has the advantages of being easy to maintain, convenient to operate and the like. The root crop harvester comprises a supporting frame, machine body side plates, a hanger, a digging device, a swinging separation device, transmission systems and a depth limiting mechanism, wherein the machine body side plates are fixed to the two sides of the supporting frame, the three-point hanger is fixed to the supporting frame and located on the front upper portion of the machine, the digging device is fixed to the forefront ends of the lower portions of the machine body side plates, a swinging separation sieve is arranged on the fronts of the lower portions of the machine body side plates and is located at the back of and below the digging device, the transmission systems are fixed to the middle of the upper portion of the supporting frame and the left of the supporting frame respectively, and the depth limiting mechanism is fixed to the rear upper ends and the rear lower portions of the machine body side plates. The root crop harvester has the advantages that the swinging separation device is short and small in appearance, the structure is simple, the power consumption amount is little in the harvesting process, energy is saved, the separation effect is ideal, the number of structure components of the whole machine is small, machining is easy to achieve, assembling, machining and maintaining are convenient to achieve, and production cost is greatly reduced on the basis that structure strength and work stability are guaranteed.

Description

Harvester for rhizome crops

Technical field

The invention belongs to agricultural machinery technological field, be specially novel harvester for rhizome crops a kind of and that tractor with small four wheels is supporting.

Background technology

Tuber crops are called again root crop, mainly comprise sweet potato, potato, Chinese yam, taro class etc.; The product organ of root crop is piece root and the stem tuber being grown in soil.Many root crops are staple food crops of human society now, and especially, as the potato of one of four generalized grain crops, its output is only second to paddy rice, corn and wheat.This type of crop possesses the advantages such as output is high, nutritious, environmental suitability is strong, the extensive plantation based on this type of crop in China, and this type of crop harvester has also been played the part of important role in the process of farmland mechanization.At present, advanced tuber crop harvester mostly is huge, the baroque main equipment of fuselage both at home and abroad, needs large sized tractor traction to drive, and expensive, inadaptable with the mode of single household contract cultivate land, current most of China rural area.

Current middle-size and small-size picker for tuber crops is separating mechanism mainly with drive transfer chain, for making separating effect ideal, the length of general separation carrier chain is longer, machine institutional framework is large and complicated, production cost is high, design a relatively simple in structurely, build is small and exquisite, the novel harvester for rhizome crops that production cost is lower for this reason.

Summary of the invention

For above-mentioned defect, the utility model provides that a kind of to have solved the type that adopts the potato soil separating mechanism of elevator chain type to cause excessive, complex structure, and problem that production cost is higher, and machine has and safeguards the advantages such as simple, easy to operate.

The technical scheme of harvester for rhizome crops of the present utility model is such: it comprises bracing frame, fuselage side plate, hang, excavating gear, swing separator, transmission system, depth-limiting mechanism, its middle machine body side plate is fixed on the both sides of bracing frame, trifilar suspension is fixed on bracing frame, trifilar suspension is positioned at the front upper place of machine, excavating gear is fixed on fuselage side plate below foremost, swing separation sieve is arranged on the forward position, below of fuselage side plate, be positioned at the rear of excavating gear and position on the lower, transmission system is fixed on the left side of bracing frame centre position, top and bracing frame, depth stop running gear is fixed on the He Xia rear, upper rear end of fuselage side plate.

Optimally, excavating gear comprises shovel holder, digger blade, finger-like extension board, and digger blade and finger-like extension board are separately fixed at shovel holder above, and wherein digger blade is positioned at anterior position, and finger-like extension board is positioned at rear position.

Optimally, swing separation sieve is mainly made up of longitudinal grizzly bar, rotation pipe, sieve fixed axis three parts, and wherein equidistant being separately fixed at of longitudinal shaft-like grizzly bar is rotated on pipe, the bending of reinforcing bar rear end, bending angle is about 15 ~ 30 degree, and sieve fixed axis and rotation pipe coaxially arrange

Optimally, the length of grizzly bar is about 30 to 50 centimetres, and the distance between grizzly bar is 38 ~ 45 centimetres.

Optimally, transmission system comprises transfer gear box, rocking bar, pull bar, fork, transfer gear box is fixed on dull and stereotyped upper, and flat board is horizontally fixed on centre position, bracing frame top, and rocking bar is connected with the output shaft of transfer gear box, between arranges key, be used for transferring power, rocking bar is connected with pull bar, installs bearing additional at pull bar two ends, pull bar lower end is connected with fork, and fork is connected with the sieve fixed axis in swing separation sieve.

Optimally, depth stop running gear comprises handle, adjusting rod and gauge wheel, and the rotation of handle drives gauge wheel to move up and down by adjusting rod.

Beneficial effect of the present invention:

1. what the present invention adopted is swing type separator, and profile is short and small, simple in structure, and in harvest proceduse, consumption of power is little, saves the energy, and separating effect ideal.

2. the whole machine construction parts of the present invention are few, and processing is simple, and convenient for assembly and processing maintenance is guaranteeing, on the basis of structural strength and job stability, to greatly reduce production cost.

Accompanying drawing explanation

Fig. 1 is the structural representation of harvester for rhizome crops of the present utility model side;

Fig. 2 is the structural representation that harvester for rhizome crops of the present utility model proves;

Fig. 3 is swing separation sieve axonometric drawing of the present invention;

Fig. 4 is complete machine structure schematic diagram of the present utility model.

1. shovel holder, 2. digger blade, 3. finger-like extension board, 4. fuselage side plate, 5. trifilar suspension, 6. transfer gear box, 7. handle, 8. gauge wheel mechanism, 9. swath board, 10. longitudinally grizzly bar, 11. bearing blocks one, 12. sieve fixed axis, 13. rotate pipes, 14. bracing frames, 15. flat boards, 16. over caps, 17. stiffeners, 18. bearing blocks two, 19. rocking bars, 20. pull bars, 21. forks, I. excavating gear, II. swing separator, III. transmission system.

Embodiment

As shown in the figure, it comprises bracing frame 14 harvester for rhizome crops of the present utility model, fuselage side plate 4, hang 5, excavating gear I, swing separator II, transmission system III, depth-limiting mechanism 8, its middle machine body side plate 4 is fixed on the both sides of bracing frame 14, trifilar suspension 5 is fixed on bracing frame 14, trifilar suspension is positioned at the front upper place of machine, excavating gear I is fixed on fuselage side plate 4 belows foremost, swing separation sieve II is arranged on the forward position, below of fuselage side plate 4, be positioned at the rear of excavating gear I and position on the lower, transmission system III is fixed on the left side of bracing frame 14 centre positions, top and bracing frame, depth-limiting mechanism 8 is fixed on the He Xia rear, upper rear end of fuselage side plate 4.Excavating gear I comprises shovel holder 1, digger blade 2, finger-like extension board 3, and digger blade 2 and finger-like extension board 3 are separately fixed at shovel holder above, and wherein digger blade 2 is positioned at anterior position, and finger-like extension board 3 is positioned at rear position.Swing separation sieve II is mainly made up of longitudinal grizzly bar 10, rotation pipe 13, sieve fixed axis 12 3 parts, wherein equidistant being separately fixed at of longitudinal shaft-like grizzly bar rotated on pipe 13, the bending of reinforcing bar rear end, bending angle is about 15 ~ 30 degree, sieve fixed axis and rotation pipe coaxially arrange, the length of grizzly bar is about 30 to 50 centimetres, and the distance between grizzly bar is 38 ~ 45 centimetres.Transmission system III comprises transfer gear box 6, rocking bar 19, pull bar 20, fork 21, transfer gear box 6 is fixed on dull and stereotyped 15, dull and stereotyped 15 are horizontally fixed on bracing frame 14 centre positions, top, rocking bar 19 is connected with the output shaft of transfer gear box 6, and between arranges key, is used for transferring power, rocking bar 19 is connected with pull bar 20, install bearing additional at pull bar two ends, pull bar 20 lower ends are connected with fork 21, and fork 21 is connected with the sieve fixed axis 12 in swing separation sieve II.Depth stop running gear 8 comprises handle 7, adjusting rod and gauge wheel, the rotation of handle 7 drives the gauge wheel novel harvester for rhizome crops that moves up and down by adjusting rod, comprise bracing frame 14, fuselage side plate 4, hang 5, excavating gear I, swing separator II, transmission system III, depth-limiting mechanism 8 forms, wherein hang 5 and be positioned at machine front upper place, excavating gear I is positioned at the most forward position, below of machine, swing separator II and be positioned at the position of the excavating gear back lower place, below of machine, transmission system III is positioned at the top of machine and the leftward position of the direction of machine travel, depth-limiting mechanism 8 is positioned at the rear position of machine.

The adjusting of described swing separation sieve II realizes by pull bar 20, the inside of pull bar 20 is a screw structure, by the leading screw of rotating tension bar 20 inside, can realize the change of pull bar 20 length, and then the rotation of sieving fixed axis 12 below realizing, realize the rotation of rotating pipe 13, because grizzly bar is welded on pipe 13, finally realize the change of pitch angle of grizzly bar, reach the object that regulates whole sieve.

The hunting frequency of described swing separation sieve II is determined by transmission system III, by regulating the rotating speed of tractor, obtain certain input speed, by output speed after the transmission gear shift of transfer gear box 6, realize the change of the rotary speed of rocking bar 19, finally realize the change of the hunting frequency of swing separation sieve II.

The course of work of the present invention:

The trifilar suspension 5 of reaping machine hangs and is connected with the rear of tractor with small four wheels, power is connected with the transfer gear box 6 of reaping machine by candan universal joint by the output shaft of rear tractor, power is delivered on rocking bar 19 by output shaft, rocking bar 19 is rotated, because rocking bar 19 is eccentric structures, so can drive pull bar 20 to do periodically moves up and down, and then drive the rear of fork 21 to swing up and down around the axis of sieve fixed axis 12, between sieve fixed axis 12 and fork 21, key is installed, so power transmission is to sieve fixed axis 12, make it do the reciprocal active of certain angle, because sieve fixed axis 12 and rotation pipe 13 parts are bolted, do the reciprocally swinging of certain corner so make whole swing separator II.The speed that swings the swing of separator II is determined by the output speed of tractor.

Claims

1. a harvester for rhizome crops, it is characterized in that, it comprises bracing frame (14), fuselage side plate (4), hang (5), excavating gear I, swing separator II, transmission system III, depth-limiting mechanism (8), its middle machine body side plate (4) is fixed on the both sides of bracing frame (14), trifilar suspension (5) is fixed on bracing frame (14), trifilar suspension is positioned at the front upper place of machine, excavating gear (I) is fixed on fuselage side plate (4) below foremost, swing separation sieve (II) is arranged on the forward position, below of fuselage side plate (4), be positioned at the rear of excavating gear (I) and position on the lower, transmission system (III) is fixed on the left side of bracing frame (14) centre position, top and bracing frame, depth stop running gear (8) is fixed on the He Xia rear, upper rear end of fuselage side plate (4).

2. harvester for rhizome crops according to claim 1, it is characterized in that: excavating gear (I) comprises shovel holder (1), digger blade (2), finger-like extension board (3), digger blade (2) and finger-like extension board (3) are separately fixed in shovel holder, wherein digger blade (2) is positioned at anterior position, and finger-like extension board (3) is positioned at rear position.

3. harvester for rhizome crops according to claim 1, it is characterized in that: swing separation sieve (II) is mainly made up of longitudinal grizzly bar (10), rotation pipe (13), sieve fixed axis (12) three parts, wherein equidistant being separately fixed at of longitudinal shaft-like grizzly bar rotated on pipe (13), the bending of reinforcing bar rear end, bending angle is about 15 ~ 30 degree, and sieve fixed axis and rotation pipe coaxially arrange.

4. harvester for rhizome crops according to claim 1, it is characterized in that: transmission system (III) comprises transfer gear box (6), rocking bar (19), pull bar (20), fork (21), transfer gear box (6) is fixed on flat board (15), dull and stereotyped (15) are horizontally fixed on centre position, bracing frame (14) top, rocking bar (19) is connected with the output shaft of transfer gear box (6), between arranges key, be used for transferring power, rocking bar (19) is connected with pull bar (20), install bearing additional at pull bar two ends, pull bar (20) lower end is connected with fork (21), fork (21) is connected with the sieve fixed axis (12) in swing separation sieve (II).

5. harvester for rhizome crops according to claim 1, is characterized in that: depth stop running gear (8) comprises handle (7), adjusting rod and gauge wheel, and the rotation of handle (7) drives gauge wheel to move up and down by adjusting rod.

6. harvester for rhizome crops according to claim 3, is characterized in that: the length of grizzly bar is about 30 to 50 centimetres, and the distance between grizzly bar is 38 ~ 45 centimetres.