CN2303446Y - Small harvester - Google Patents

Abstract

The utility model relates to a small harvester, which comprises a bracket, a main shaft on the bracket, a wheel carrier for threshing rolling wheels on the main shaft, a protecting cover for threshing rolling wheels on the front end of the wheel carrier for threshing rolling wheels, and two threshing rolling wheels; the bracket is assembled with a small agricultural machine, and the upper threshing rolling wheel and the lower rolling wheel are parallelly installed. The small harvester adopts to thresh before cut off, a cutting knife is arranged on a slide plate below the bracket, a crawler-typed transversely grass-raking device is arranged in front of the cutting knife, and a grass baffle plate is arranged behind the cutting knife. Belt pulleys, bevel gear wheels and an edge cam are respectively arrayed on the main shaft, and a belt is respectively connected with an external power machine and the threshing rolling wheels; two groups of bevel gears are mutually engaged to drive the grass raking device, and the edge cam toggles the cutting knife to move transversely in reciprocating mode by a rocking bar to cut grass. The small harvester is matched with a screw rod, a spikes raking plate and a grains conveying belt, the screw rod regulates the deflection of the wheel carrier for threshing rolling wheels, and the spikes raking plate and the grains conveying belt which are driven by a connecting rod make rice spikes enter the threshing rolling wheels. The utility model has the advantages of reasonable and compact structure, and easy assembly and disassembly, and the small harvester is an ideal harvesting machine for small pieces of fields.

Description

Small harvester

The utility model relates to a kind of agricultural harvesting machine, is the small harvester of a kind of engine in addition traction.

For the harvesting of fritter field, southern hills mountain area paddy, adopt cut off standing grain earlier more, threshing to the thresher again, and this method is time-consuming, and labour intensity is big, and efficient is low, and large-scale combine is unsuitable for the hilly and mountainous land operation.

The purpose of this utility model is, designs the machinery that a kind of suitable hilly and mountainous land with the miniature farm machinery traction is finished paddy rice harvesting, and this machine is taked the operation procedure that cuts off behind the early threshing, overcomes above-mentioned deficiency.

Its purpose can be passed through following scheme implementation, grain header of the present utility model comprises that dress is held in the carriage on the miniature farm machinery, be contained in the main shaft on the carriage, the threshing roll wheel carrier is housed on the main shaft, the front end of threshing roll wheel carrier is a threshing roller guard shield, by being arranged with two counterrotating threshing rollers up and down in parallel, the respective end of two axles has the gear that is meshed in it.What the transverse end of guard shield had an external-open leads the standing grain plate, and there is the rectangle grain feeding port in the front.The carriage lower end is set with the slide plate that can regulate lifting, and fixed, moving cutter is housed on the slide plate, and cutter is positioned at rear under the threshing roller, and the rear end of cutter along laterally grass guard being housed, being provided with crawler type and taking off careless device before the cutter.Belt pulley, bevel gear, edge cam are arranged respectively on the main shaft, belt pulley connects the output shaft of outer engine, the belt pulley on the threshing roll wheel arbor respectively, on the carriage through being contained in, the telescopic rocking bar of edge cam drives moving cutter to be decided to make traverse motion above the cutter, finishes mowing.Bevel gear on the main shaft turns to driving laterally to take off careless device running through two groups of engagements.The rear end of threshing roll wheel carrier, the upright screw rod of regulating itself and main shaft deflection that is equipped with.Be to guarantee spike of rice threshing smoothly, the grain of taking off makes things convenient for splendid attire, and the place ahead is provided with the spike clinging plate of drive links on the threshing roller guard shield, finishes threshing so that spike of rice is grilled between two threshing rollers; There is grain export at the following rear of guard shield, there is grain conveyer belt and grain deflector from bottom to top its lower end, small harvester of the present utility model, compact conformation is reasonable, and easy accessibility only needs a miniature farm machinery traction, thereby the work program has been simplified in the harvesting that both can finish paddy simultaneously, alleviated peasant's labour intensity, improved operating efficiency, real is the desirable facility of fritter field, mountain area, hills harvesting paddy rice.

Small harvester of the present utility model is provided by following examples and accompanying drawing thereof.

Fig. 1 is the structure chart according to the grain header that the utility model proposes.

Fig. 2 is the profile of Fig. 1 along A-A.

Fig. 3 is the profile of Fig. 1 along B-B.

Below in conjunction with the details of Fig. 1～3 detailed descriptions according to the small harvester that the utility model proposes.

This small harvester comprises carriage [19], be contained in main shaft [5] on the carriage through bearing, being contained in through bearing has threshing roll wheel carrier [14] on the main shaft, its front end is the threshing roll wheel support [3] and the threshing roller guard shield [35] of suit, be parallel up and down a pair of counterrotating threshing roller [30], [31] of being provided with in the guard shield, its axle one abutting end has a pair of gear that is meshed [40], [41], the tangible ear inlet of shroud front [34], transverse end have outer open lead standing grain plate [33], there is rectangle grain export [29] at place, following rear.Be sleeved under the carriage in the carriage loop bar and also can regulate lifting and slide plate [17], have on it through pad [38] and stage clip [39] fixing moving, decide cutter [22], [23], the cutter rear end is along laterally being equipped with grass guard [21], and front end is that the crawler type that is positioned at behind the threshing roller is laterally taken off grass dress [27].Divide on the main shaft and show belt pulley [9], [42], bevel gear [36], edge cam [6], belt pulley [42] is the engine main shaft outside belt connects, and belt pulley [9] connects the belt pulley [4] of threshing roll core wheel axle head through belt.On the carriage through being contained in, the telescopic rocking bar of edge cam [24] is stirred moving cutter [22] and is made traverse motion, realizes cutting standing grain.Bevel gear on the main shaft is through two groups of bevel gears [37], [25], [26] engagement break-in, drive crawler type and laterally take off careless device running, wherein bevel gear [25] is the lower end that is sleeved on bevel gear [37], and can regulate lifting, to guarantee itself and awl tooth [26] engagement of laterally taking off careless device abutting end.The rear end of threshing roll wheel carrier, the upright screw rod [26] that can regulate its relative main shaft deflection that is equipped with, handwheel [15] is equipped with in its upper end, to guarantee that the threshing roll wheel is adjusted to suitable height.One end of driven threshing roll wheel arbor has belt pulley [32], and this belt pulley links to each other through the flywheel [12] of belt with threshing roll wheel carrier middle part.On flywheel one spoke, the connecting pin [18] that can regulate inside and outside it is housed, this pin through socket joint type link rod [2] be contained in threshing roller guard shield on the spike clinging plate [1] in the place ahead link to each other, when flywheel chain changes, link rod just drives spike clinging plate and moves back and forth, and spike of rice is sent into threshing between the threshing roller.Below the outlet of threshing roller guard shield, revolution conveyer belt [7] is from bottom to top arranged, this conveyer belt is wrapped in outside the up-down roller [28], and the dividing plate [8] that raises up is at interval arranged on its surface, sprocket wheel [10] is arranged on the last cylinder axle, link to each other with sprocket wheel [13] on the flywheel axle through chain, grain deflector [11] is arranged at the bottom in the conveyer belt upper end.During use, only need be on miniature farm machinery with the supporting plate on the carriage [20] rest, tight good set bolt gets final product.

Claims (3)

1. small harvester, comprise carriage, be contained in the main shaft on the carriage, be contained in the threshing roll wheel carrier on the main shaft, be contained in the threshing roller guard shield of threshing roll wheel carrier front end and interior threshing roller thereof, threshing roller shroud front has the rectangle ear inlet, transverse end have outer open lead the standing grain plate, it is characterized in that the carriage lower end is set with the slide plate that can regulate lifting, be equipped with moving on the slide plate, decide cutter, the careless plate of shelves laterally is equipped with on the edge behind the cutter, be provided with the crawler belt shape before the cutter and laterally take off careless device, divide on the main shaft and show belt pulley, bevel gear, edge cam, belt pulley connect outer engine respectively, belt pulley on the threshing roll wheel arbor, edge cam is being decided on the cutter reciprocating through the moving cutter of telescopic rocking bar driving that is contained on the carriage, bevel gear on the main shaft drives through two groups of engagements and laterally takes off careless device running, and two threshing rollers are presented down parallel installation, and the corresponding end of its axle has one group of meshing wheel, the rear end of threshing roll wheel carrier, the upright screw rod that the deflection angle of regulating threshing roll wheel carrier and main shaft is housed.

2. small harvester according to claim 1, it is characterized in that driven threshing roll wheel arbor one end has belt pulley, link to each other through the flywheel of belt with threshing roll wheel carrier middle part, on flywheel one spoke, the connecting pin that can regulate inside and outside it is housed, this pin through the socket link rod be contained in threshing roller guard shield on the spike clinging plate in the place ahead link to each other.

3. small harvester according to claim 1 and 2, it is characterized in that there is the rectangle grain export at the rear under the threshing roller guard shield, its lower end is provided with revolution conveyer belt from bottom to top, and be wrapped in up and down outside two cylinders, there is the riser that raises up at interval on its surface, on the last cylinder axle sprocket wheel is housed, links to each other with sprocket wheel on the flywheel axle through chain, the below of conveyer belt upper end is provided with the grain deflector.

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