CN2353127Y

CN2353127Y - Minisize combine matched with and driven by walking tractor

Info

Publication number: CN2353127Y
Application number: CN 98246653
Authority: CN
Inventors: 孙传富
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-11-14
Filing date: 1998-11-14
Publication date: 1999-12-15
Anticipated expiration: 2008-11-14

Abstract

The utility model relates to a minisize combine harvester matched with 6-8 horse power and driven by a walking tractor. The diesel of the tractor is moved backward for vacating space to arrange a longitudinal threshing cylinder and a sending straw blade. The front end is provided with the main function means, such as a feeding cylinder, a cutterbar, a nearside divider, a straw moving reel, etc., which are assembled with the corresponding link bearing driving device. The main performance index of the threshing rate, the loss rate, the damage rate, the rate of trash content, etc. is in accordance with the country (industry) standard claim. The actual work efficiency is more than 1 mu / hour; With simple structure, low cost and high efficiency, the utility model is especially suitable for popularization in the hilly areas.

Description

The miniature combine harvester that the prestowage of 6-8 horsepower hand tractor drives

The utility model belongs to a kind of subminiature grain combine tool that field rice wheat cereal is gathered in simultaneously threshing pack operation

China's vast knob landform is rugged, and the narrow and small field of field piece road is narrow.Let alone how it is all very difficult that existing big-and-middle-sized combine enters these field pieces, can operation smoothly in these narrow and small field pieces.Though at present existing many baby combines are developed, also have and much applied for patent, but all be in the development stage, feel that perhaps power is too little, operation smoothly, perhaps because of being subjected to " small-sized " restriction, volume is too little, and functional structure can not be complete, and cause the threshing performance of combining operation, main performance index such as percent of loss, percentage of damage, percentage of impurity can not get qualified requirement, and are not suitable for practical application.

The purpose of this utility model is, provide a kind of so that the 6-8 horsepower small hand tractor of vast rural area widespread usage comes the miniature combine harvester of prestowage and driving in the knob, this function is walked on narrow path, can nimble operation in the piece of narrow and small field, and its kinetic force satisfies field combining operation needs.And, threshing performance, main performance index such as total loss rate, percentage of damage, percentage of impurity all should meet country's (industry) standard-required, can use on the spot in field, vast knob really.

The purpose of this utility model is achieved like this: utilize the existing small hand tractor prestowage of farmers' and the driving of suitable vast knob, do not change original small hand tractor propons and gear-box, from counterweight with vacate the space and consider, to move behind its diesel engine, install on the addition after-frame of the propons back of newly establishing, the space mounting threshing cylinder of on propons, vacateing, and change and take off the horizontal routine of cylinder, it is changed into rotating shaft vertical the put threshing cylinder parallel with the complete machine direction of travel, also two fan blade shapes are installed are sent the standing grain blade, the feeding cylinder of transverse presentation is installed at the front end of propons again at the roll spin front end of rotating shaft of this drum threshing tooth, cutter and nearside divider.The star straw shift wheel is also installed in the front upper place of cutter, and the auger conveyor of sieve plate and extension is reclaimed in feeding cylinder below also addition grain.Certainly also to be equipped with corresponding transmission, commutation, supporting device and securing member.

Owing to adopt such scheme, the utility model can nimble operation in the piece of narrow and small field, can convenient walking on narrow loaning, can cross over ditch, even can the single wheel walking.The functional part configuration is rationally compact, and every technical performance all can meet standard-required, and really becoming can practical cereal miniature combine harvester.

Come the utility model is further specified below in conjunction with drawings and Examples.

Shown in the accompanying drawing: (1) straw shift wheel, (2) nearside divider, (3) are cutter back and forth; (4) feeding cylinder, (5) grain reclaims sieve plate, (6) auger conveyor; (7) vertically put threshing cylinder and tooth rolls, (8) cereal lifter, (9) addition after-frame; (10) unloading platform, (11) tail wheel, (12) seat; (13) adjusting screw(rod), (14) go out the mouth of a valley, (15) clutch operating lever; (16) angle case, (17) straw outlet, (18) send the standing grain blade.

Among the figure: newly establish an addition after-frame (9) in the propons rear end of 6-8 horsepower small hand tractor, supply to install original diesel engine and the tail wheel (11) and the seat (12) of dislocation backward on this addition after-frame, also install for the adjusting screw(rod) (13) of regulating cutting height, unloading platform (10) also is installed on the right side of addition after-frame.Diesel engine moves the space of vacateing behind propons, for axial vertical a put threshing cylinder (7) parallel with the complete machine direction of travel is installed, (changing the horizontal routine of threshing cylinder), threshing straw inlet port is treated in axial forward end opening conduct at this threshing cylinder, what threshing tooth herein rolled spin that the rotating shaft spindle nose is installed with two blades only again send standing grain blade (18), at a feeding cylinder of the front of this blade lateral means (4), be mounted with paddy below the feeding cylinder (4) and reclaim sieve plate (5), the place ahead in feeding cylinder (4), reciprocating cutterbar (3) is installed, the front upper place of cutter (3), star straw shift wheel (1) is installed, two nearside dividers (2) about also install cutter (3) both sides.The axial rearward end of threshing cylinder (7) is a blind end; suitable threshing tooth rolls spin on this end right side changes a cover gab installation straw outlet (16) on the tangential direction; be that the arc shattering is cleaned screen cloth below the threshing cylinder (7); it below this screen cloth the grain storage chamber; in an auger conveyor (6) is arranged; this conveyer and grain storage chamber all extend to grain and reclaim below the sieve plate (5); have an opening to be connected with the lower end paddy feeding port of cereal lifter (8) discharges for taking off grain on the casing right side of off the net of the axial rearward end arc shattering sorting screen of threshing cylinder (7); these (8) are installed in the outside, the right side, threshing cylinder rear portion; its top has one to go out the mouth of a valley (14); should be equipped with hook so that hang the loading bag in (14) four limits, loading bag base part seat drops on the following unloading platform (10).Certainly above-mentioned these mechanisms all rely on requisite connector, supporting member, and securing member and locating relies on requisite transmission mechanism to turn round.The utility model is manipulated like this: original driving gearbox of hand tractor will not change, on its tractor clutch disk by belt still by after the Diesel Driven of moving.In the threshing cylinder axial rearward end, the driving gearbox upper end is equipped with transmission angle case (16) and is changed transmission direction, drive each work package running of grain header by sprocket wheel chain and belt belt pulley, a grain header clutch and control stick (15) thereof are installed in the left side of this angle case are opened in order to controlled clutch control grain header and stop.During farm work, start diesel engine to drive the combine of hand tractor and prestowage thereof into the harvest operation field earlier, the operating personnel is sitting in seat (12) adjusted rotary screw (13) to adjust cutting height, to hang grain sack is hooked on out on the mouth of a valley (14), the lower seat of loading bag drops on the unloading platform (10), then stirring clutch operating lever (15) clutch that closes makes whole grain header running gear all after the running, the operating personnel rides two wing plates on the tail wheel (11) and handles tail wheel and control whole grain header direction of advance and aim at harvesting cereal straw and advance, and carries out self-propelled operation.Nearside divider this moment (2) separately wouldn't cut straw, straw shift wheel (1) rotation is stirred and is helped straw so that reciprocating cutterbar (3) cuts off straw, the straw that cuts down is swung to feeding cylinder (4), under the promotion of feeding cylinder flight and expansion link, concentrate and shift to threshing cylinder (7) openend and advance standing grain, two by threshing cylinder (7) rotary teeth roller bearing end are sent standing grain blade (18) suction to grab rotation, throw to and carry out threshing in the threshing cylinder, the straw that takes off most grain rolls under the passing of spiral ratch broken and borrow centrifugal force to throw away the threshing cylinder ground of being scattered from grass outlet (17) at threshing cylinder (7) tooth.It is indoor that the grain of taking off on the interior straw of threshing cylinder (7) falls grain storage through arc shattering sorting screen net meshe, concentrate by auger conveyor (6) and to pass its rear end and enter the mouth of a valley (14) that goes out that cereal lifter (8) is transported to its top and fall into the loading bag, promptly change bag after full when loading is packed.What need stress here is the effect that grain reclaims sieve plate (5): concentrate at the feeding cylinder through the band paddy straw that cutter cuts is got off and pass in the feeding process; when sending standing grain blade rotation throwing to send; there is a great deal of grain under this, to take off unavoidably; these grain of taking off drop below, and grain reclaims on the sieve plate (5); leave out by mistake the grain storage chamber by the screen cloth plate hole; auger conveyor through stretching (6) pushes and takes off grain by cereal lifter (8) lifting pack in threshing cylinder again, has avoided the drop loss of these grain and has ground broken.Embodiment of the present utility model is through field actual cut operation test and detection on the spot, and every basic mechanical design feature indexs such as its percent of loss, percentage of damage, threshing performance, percentage of impurity all meet country's (industry) standard-required, and its actual operating efficiency is greater than 1 mu/hour.Facts have proved the utility model, be suitable for the vast knob of China fully.And harvesting mistake in season one is pulled down harvesting function parts, retracts diesel engine, reverts to the former state hand tractor again, still is engaged in field ploughing and hauling operation etc., realizes a tractor serves several purposes.

Claims

1, a kind of miniature combine harvester of 6-8 horsepower hand tractor prestowage driving, mainly contain propons, gear-box, diesel engine and straw shift wheel, nearside divider, cutter, feeding cylinder, threshing cylinder, the cereal lifter of small hand tractor in the structure, it is characterized in that:

A. threshing cylinder is vertical puts, and vertical to put threshing cylinder axially parallel with the complete machine direction of travel,

And move the locus of abdicating after being placed in the original diesel engine of hand tractor, it is axial

Back-end closure, the axial forward end opening, as treating threshing straw inlet port,

B. the vertical threshing tooth wobble shaft spindle nose of putting threshing cylinder is installed with only two

Blade send the standing grain blade,

C. the feeding cylinder below, grain is housed reclaims sieve plate.

2, the miniature combine harvester that drives according to the prestowage of the described 6-8 horsepower of claim 1 hand tractor is characterized in that: the vertical auger conveyor of putting the arc shattering sorting screen side's device off the net below the threshing cylinder extends to grain and reclaims below the sieve plate.

3, the miniature combine harvester that drives according to the prestowage of the described 6-8 horsepower of claim 1 hand tractor is characterized in that: vertically put cylinder shaft to top, right side, rear portion one opening to be arranged be straw outlet.

4, the miniature combine harvester that drives according to the prestowage of the described 6-8 horsepower of claim 1 hand tractor, it is characterized in that: the vertical threshing cylinder axial rearward end arc shattering of putting is cleaned the lower square box right side of screen cloth one opening is arranged, be communicated with cereal lifter lower end paddy feeding port, take off grain with discharge.