CN2666120Y

CN2666120Y - Micro harvester

Info

Publication number: CN2666120Y
Application number: CN 200320114517
Authority: CN
Inventors: 张文良
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-11-11
Filing date: 2003-11-11
Publication date: 2004-12-29
Anticipated expiration: 2013-11-11

Abstract

The utility model provides a micro harvester which is suitable for small farmland of mountainous regions and hilly region. The micro harvester is composed of a minitype internal combustion engine, a clutch, a transmission, a worm gear reducer, a walking steering mechanism, a cutting table, a horizontal delivery device, two combinations of traction devices and a divider. The micro harvester has the advantages of simple structure, small power consumption, high efficiency, simple operation and reliable working, more particularly the small size, light weight, low price and strong performance of mobility, which can be promotionally applied in the mountainous and hilly regions.

Description

Miniature harvester

Affiliated technical field

The utility model relates to the miniature harvester that use in areas such as a kind of mountain area, hills, small size soil.It is applicable to the harvesting of wheat, paddy rice and other crops.

Background technology

The harvester for both rice and wheat of existing home and abroad, great majority all with wide swath, high-power, self-propelled, volume big, Heavy Weight, structure are very complicated.This class grain header can only adapt to the vast northern llanura harvesting operation of China's field soil, and incompatibility China field soil is narrow, the southern harvester for rice wheat that soil property is soft; More operation is cut in the rice wheat harvest of incompatibility China mountain area, hilly country.And this class grain header is behind rain or dew not dried morning, and crop is wetter, and plant lodging all can not operation.Market also has the small harvester of imitative Mitsubishi and Dongan board small harvester that Ningbo produces in addition, and its weight still has more than 100 kilogram, appearance and size still to reach 1930 * 810 * 985, and structure is also complicated.They also can only adapt to the operation of southern acreage property, and can not arrive mountain area, hills, the operation of taking of way less ground.And their price is more than 20,000 yuan, and relatively more expensive, vast farmers can't bear, and therefore also is difficult to promote the use of.

Summary of the invention

For fear of above-mentioned weak point of the prior art, and provide a kind of simple in structure, volume is little, in light weight, power consumption is little, reliable operation, processing ease, easy to maintenance, mobility strong can be adapted to the miniature harvester that little field piece, the softer field of soil piece use.

The technical scheme that its technical problem that solves the utility model adopts is: this miniature harvester is made up of compact internal combustion engine, clutch, speed changer, worm gear reducer, walking steering mechanism, cutting bed, lateral transfer device, two groups of draw-gears, nearside dividers.Wherein the power shaft that goes out behind clutch with speed changer of the defeated axle of internal combustion engine joins.The output shaft of speed changer joins with the worm screw input of worm gear reducer again, and the worm gear in the worm gear reducer is affixed with the power transmission shaft of walking steering mechanism.Simultaneously the other end of worm screw is again as output and by joining with the power shaft of a pair of bevel gear behind a pair of clutch straight-tooth.This lower end to the bevel gear output shaft is fixed with and drives the eccentric wheel that the cutting bed lower blade holder moves back and forth.Simultaneously be fixed with output chain gear in this upper end to the bevel gear output shaft, this output chain gear joins by chain and the input sprocket that is fixed on the lateral transfer device main shaft centre again, thereby drives the spindle operation of lateral transfer device.And the standing grain piece of dialling in the lateral transfer device on the carrier chain drives two groups of draw-gear runnings again simultaneously.

Lateral transfer device in the utility model technical solution is that the center fixed at main shaft has an input sprocket, and each fixes an output chain gear in the upper and lower of main shaft.These two sprocket wheels again respectively the chain by separately link to each other with driven sprocket, have the carrier chain of dialling the standing grain piece on two parallel to each other and chain faces and turn round thereby drive.

Every group of draw-gear in the utility model technical solution is made up of the traction carrier chain of tilted-putted traction carrier chain and horizontal positioned.These two traction carrier chains all include respectively and have the chain of dialling the standing grain piece on straw-poking star wheel, drive sprocket, driven sprocket and the chain face.Wherein the dog on the straw-poking star wheel must two on the carrier chain be dialled between the standing grain piece in the lateral transfer device, makes the standing grain piece of dialling on the carrier chain in the lateral transfer device drive the straw-poking star wheel running.

Cutting bed in the utility model technical solution is that the removable cutter that will be sharp-tooth shaped is installed on the fixing upper tool post, and the removable bottom knife that will be sharp-tooth shaped is installed on the reciprocating lower slide.And be furnished with stage clip and the lubricator cup that 4-8 is used for adjusting gap between upper and lower blade.

The beneficial effects of the utility model are, complete machine structure is simple, and driving-chain is very succinct, power consumption is little, processing ease, little, in light weight, the mobility strong of reliable operation, especially volume, and the rice wheat harvest that is highly suitable for little field piece, the softer field of soil piece is cut.

Description of drawings

Fig. 1 is a structure chart of the present utility model.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is drive mechanism figure of the present utility model.

Fig. 4 is the structure chart of the utility model cutter platform.

Embodiment

The utility model is described in further detail below in conjunction with drawings and Examples: this miniature harvester is to be made of compact internal combustion engine (1), clutch (2), speed changer (3), worm gear reducer (4), walking steering mechanism (5), cutting bed (6), horizontal platform conveying plant (7), two groups of draw-gears (8), nearside divider (9).The output shaft of internal combustion engine in the middle of this (1) joins with the power shaft of speed changer (3) behind clutch (2).The output shaft of speed changer (3) joins with the worm screw input of worm gear reducer (4) again.And the worm gear in the worm gear reducer (4) is affixed with the power transmission shaft of walking steering mechanism (5).The other end of worm screw joins by the power shaft of a pair of clutch straight-tooth (10) with a pair of bevel gear (13) as output simultaneously.This lower end to bevel gear (13) output shaft is fixed with the eccentric wheel (12) that the lower blade holder (11) that drives cutting bed (6) moves back and forth.Cutting bed (6) is that cutter (30) is installed on the fixing upper tool post (31), and bottom knife (32) is installed on the reciprocating lower slide (11), be furnished with 4 stage clip (33) and lubricator cups (34) that are used for adjusting gap between upper and lower blade simultaneously; In addition at the also fixing output chain gear (14) in the upper end of bevel gear (13) output shaft.This output chain gear (14) drives the spindle operation of lateral transfer device (7) again by chain (15) input sprocket (16) middle with being fixed on lateral transfer device (7) main shaft.Each fixes an output chain gear (17,18) in the upper and lower of lateral transfer device (7) main shaft simultaneously.These two output chain gears (17,18) drive on upper and lower two parallel to each other and chain faces with their driven sprocket (22,23) again and have carrier chain (20, the 21) running of dialling standing grain piece (19).Two groups tilt and the draw-gear (8) of horizontal positioned in straw-poking star wheel (24) on dog be that two of being arranged on lateral transfer device (7) carrier chain (20,21) dial between the standing grain pieces (19), so straw-poking star wheel (24) is to be turned round by standing grain piece (19) driving of dialling on the carrier chain (20,21).Below each straw-poking star wheel (24), be equipped with not only coaxial with it drive sprocket (25), drive sprocket (25) but also with corresponding driven sprocket (27) drive on its chain face with chain (26) running of dialling standing grain piece (28).And whole nearside divider (29) is mounted in the front end of grain header.

When the utility model was worked, the power of internal combustion engine imported the input of worm gear reducer into through clutch, speed changer, and power spreads out of from two outputs of worm gear reducer afterwards.Wherein the worm gear output with power pass to the walking steering mechanism power transmission shaft, whole harvesting is walked forward.And the worm screw output is passed to power the power shaft of bevel gear behind the clutch straight-tooth.The output shaft of bevel gear is passed to lower blade holder with power by eccentric wheel on the one hand, makes lower blade holder do the commute motion, cuts rice and wheat so cutting bed just can be cut; Output shaft is passed to the main shaft of lateral transfer device with power by sprocket wheel and chain on the other hand, and the lateral transfer device is got into smooth.The straw-poking star wheel that group standing grain piece on the carrier chain drives again on the draw-gear in the lateral transfer device rotates simultaneously, thereby draw-gear is got into smooth.So each parts of whole grain header are all started working.As long as grain header is walked forward, draw-gear will be drawn in cutting area by force with crop.After crop entered cutting area, cutting bed just cut off crop, and the crop of the band fringe that is cut off enters delivery outlet again under the effect of lateral transfer device delivery chain, fitly be placed upside down on the ground of having gathered at last.

Claims

1, a kind of miniature harvester of forming by compact internal combustion engine (1), clutch (2), speed changer (3), worm gear reducer (4), walking steering mechanism (5), cutting bed (6), lateral transfer device (7), two groups of draw-gears (8), nearside divider (9), the output shaft that it is characterized in that internal combustion engine (1) behind clutch (2) and the power shaft of speed changer (3) join; The output shaft of speed changer (3) joins with the worm screw input of worm gear reducer (4) again, and the worm gear in the worm gear reducer (4) is affixed with the power transmission shaft of walking steering mechanism (5), and the other end of worm screw joins by the power shaft of a pair of clutch straight-tooth (10) with a pair of bevel gear (13) as output simultaneously; This lower end to bevel gear (13) output shaft is fixed with the eccentric wheel (12) that the lower blade holder (11) that drives cutting bed (6) moves back and forth, simultaneously also be fixed with output chain gear (14) in this upper end to bevel gear (13) output shaft, this output chain gear (14) joins by chain (15) and the input sprocket (16) that is fixed on the main shaft centre of lateral transfer device (7) again, and the standing grain piece (19) of dialling on the carrier chain in the lateral transfer device (7) (20,21) drives two groups of draw-gears (8) running again simultaneously.

2, miniature harvester according to claim 1, it is characterized in that lateral transfer device (7) is that center fixed at main shaft has an input sprocket (16), each fixes an output chain gear (17,18) and in the upper and lower of main shaft, these two output chain gears (17,18) chain (20,21) by separately again link to each other with driven sprocket (22,23), turn round thereby drive the carrier chain (20,21) that has group standing grain piece (19) on two parallel to each other and chain faces.

3, miniature harvester according to claim 1 and 2, it is characterized in that every group of draw-gear (8) be made up of the traction carrier chain of tilted-putted traction carrier chain and horizontal positioned, these two traction carrier chains (26) all include respectively on straw-poking star wheel (24), drive sprocket (25), driven sprocket (27) and the chain face with the chain (26) of dialling standing grain piece (28), wherein the dog on the straw-poking star wheel (24) must be arranged between two groups of standing grain pieces (19) on lateral transfer device (7) carrier chain (20,21).

4, miniature harvester according to claim 3, it is characterized in that cutting bed (6) is that the removable cutter (30) that will be sharp-tooth shaped is installed on the fixing upper tool post (31), and the removable bottom knife (32) that will be sharp-tooth shaped is installed on the reciprocating lower slide (11), and is furnished with 4-8 stage clip (33) and lubricator cup (34) that is used for adjusting gap between upper and lower blade.