CN2473875Y - Dongfeng-12 suspending type combine for rice and wheat - Google Patents

Abstract

A hanging rice and wheat combine matching with DongFeng-12 walking tractor or small four-wheel tractor, the combine adjusts the arrangement of prior combine with a harvesting part in the former, an engine in the middle, a threshing and cleaning part in the end, moves the motor into the posterior part of the walking tractor handrail or under the steering wheel and seat of the small four-wheel tractor, moves the threshing and cleaning part forward to integrate with the harvesting part into one, with a more compact structure and a lower breakdown rate. A group of cutting knifes is newly added in the posterior part of the prior cutting knifes, forming a double-layer cutting grass steppe device, meeting the demand of prior agricultural straw-fertilizing-field. The combine is connected with the tractor frame through two groups of parallel four-link suspensions, conveniently regulating stubble height of the combine. The discharging straw device with cutting knifes matching with winnowing and vibratory screening device improves the quality of threshing and cleaning, new designed corn collecting tank mechanizes the corn collecting process, reduces the labor intensity of operator.

Description

East wind-12 type suspension type rice wheat dual-purpose combination grain header

The utility model relates to a kind of agricultural machinery, particularly a kind of energy east wind-12 type hand tractor or the supporting suspension type rice wheat dual-purpose combination grain header of tractor with small four wheels.

Existing on the market at present baby combine has multiple pattern though comprise the combine with east wind-12 type walking tractor matching, and identical deficiency is all arranged in actual use.The firstth, reaping apparatus and threshing cleaning unit split at tractor one in front and one in back, be two parts before and after connecting, there is the power transmission and the grain conveying device of relative complex the centre, and not only structure is compact inadequately, and be out of order easily, repair also cumbersome.The secondth, existing threshing cleaning unit only depends on selection by winnowing, has some stalks that are mingled with and fringe head to be difficult for cleaning away, and quality is cleaned in influence.The 3rd is that the supporting baby combine of existing and hand tractor or tractor with small four wheels does not have collection grain device, needs manpower constantly to change the collection grain sack, and inefficiency and labour intensity are big.The 4th, for increasing soil fertility, require straw-returning on the agricultural at present, existing tractor obviously can not be accomplished this point.

The purpose of this utility model is to provide a kind of and east wind-12 type hand tractor or the supporting suspension type rice wheat dual-purpose combination grain header of tractor with small four wheels, its structure relative compact, fault rate is lower, be convenient to maintenance, it is higher to clean quality, collection grain device is arranged, can make also field of part stalks cutting, to adapt to the needs of current agro based economic development.

The purpose of this utility model is achieved in that on the basis of the supporting suspension type small combine of existing and hand tractor and tractor with small four wheels, carries out a series of improvement.First, to original harvesting part preceding, engine placed in the middle, the threshing and cleaning part after layout adjust, move to behind the engine below hand tractor handrail below or tractor with small four wheels steering wheel and the seat, threshing and cleaning partly moves forward and the reaping part branch is combined into one, cut harvesting and the middle grain pipe road of threshing, make original transmission device be reduced to the transmission of a main chain bar, not only can reduce fault, and structure is more reasonable.The second, clean on the basis that is connected as a single entity at above-mentioned harvester threshing, designed parallel four connecting rod hitches, two groups of corresponding fulcrums are promptly arranged on tractor frame, be connected with grain header by connecting rod.Two groups of connecting rod symmetrical parallel can guarantee the level of grain header in lifting process.On the tie point of one group of connecting rod in back and tractor frame, the adjusting rod of arc-shaped hole is arranged, connecting rod according to the fulcrum rotation process in, can determine the suspension height of grain header by the way of fixing in diverse location and the corresponding hole of adjusting rod.Power has the belt pulley of clutch to drive the running of whole grain header by the engine input.The 3rd, increased back one group of cutter, its position is in the back of original cutter, the position of the one group of cutter in back is lower than last group of cutter, and the height of cutter can be regulated, and forms a double-deck rice cutter, preceding cutter with the back cutter be connected by the X connecting axle, the cutting knife direction of motion is opposite before and after in the cutting process, and the promptly preceding left back right side or a preceding right back left side are to keep the whole machine balancing of grain header in the harvesting process.The 4th, increased by row's straw device at the rear side of original threshing cylinder, form with case by row's straw wheel.On row's straw wheel the array cutting blade is arranged, corresponding also have the array cutting blade on row's straw wheel case, arrangement crosses one another, in row's straw wheel rotation process, the cutting blade relative motion of fixing on the cutting blade of motion and the case on the wheel, further threshing, clean, and the chopping stalk, with selection by winnowing and vibrating screen device, the threshing and cleaning quality is further improved.The 5th, at existing grain header rear portion rice outlet design one collection tanker, can improve the mechanization level of grain header, alleviate artificial labour intensity.

Owing to adopted such scheme, the utility model compact conformation is reasonable, can reduce the generation of fault, makes things convenient for O﹠M.The height of grain header can be regulated, and can adapt to the needs of different fields, different tillage requirements; Before and after the design of two groups of cutteves, the stalks cutting that not only can make no grain is the field also, also alleviates threshing and cleaning live load partly greatly, has improved the work quality of machine.Owing to increased special row's straw device, played the effect of further threshing and cleaning simultaneously, improved threshing performance, the setting of collection tanker can reduce the quantity of personnel in the machine harvest process, alleviates labor intensity of operating personnel, and mechanization degree increases.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is the schematic diagram that the utility model suspension type rice wheat dual-purpose combination grain header combines with hand tractor.

Fig. 2 is the schematic diagram that the utility model combines with tractor with small four wheels.

1, dialing-grain unit 2, double-deck rice cutter 3, feeding screw feeder 4, threshing cylinder 5, row's straw device 6, blower fan and device for vibration screening 7, collection tanker 8, parallel four connecting rod hitches 9, engine

In Fig. 1, engine 9 places the rear side of hand tractor, be positioned at handrail below, front end at tractor, feeding screw feeder 3, threshing cylinder 4 connect as one with row's straw device 5 and collection tanker 7, power transmission directly is connected with the belt pulley that grain header has a clutch action from engine 9, again by being transported to the each several part of grain header with the coaxial sprocket wheel of belt pulley.Grain header can rotate so that adjust the suspension height of grain header along tie point on the frame with the parallel four connecting rod hitches 8 that tractor frame connects.And can keep the balance of grain header in lifting.In the grain header front portion, adjustable double-deck rice cutter 2 is arranged, the stalk that the upper strata cutter will have a grain ear cuts off and enters feeding screw feeder 3, and lower floor's cutter cuts off remaining stalk so that field also.Be positioned at threshing cylinder 4 the rear portion be row's straw device 5, form with case by row's straw wheel, owing on row's straw wheel and the case cutting blade is arranged all, at the volley, the grain that contains a spot of stalk that threshing cylinder is come out carries out a threshing again and cleans, and through selection by winnowing and vibratory sieve 6, last cereal all enters collection tanker 7.

Fig. 2 is that tractor with small four wheels is equipped with embodiment of the present utility model, and particular content is same as the previously described embodiments.

Claims (5)

1, a kind of and east wind-12 type hand tractor or the supporting suspension type rice wheat dual-purpose combination grain header of tractor with small four wheels, partly form by dialing-grain unit, rice cutter, threshing cylinder etc., it is characterized in that engine at extreme rear is below the hand tractor handrail or below little four-wheel steering wheel and the seat, harvesting is integrated with threshing cleaning unit, increased by one group of rice cutter, there are row's straw device and collection tanker in the threshing cylinder back, and whole grain header is connected with tractor by parallel four connecting rods.

2, combine according to claim 1, it is characterized in that harvesting and threshing and cleaning collection grain device are integrated, and be connected with tractor frame by parallel four connecting rods, parallel four connecting rods can be regulated the suspension height of grain header during along the fulcrum rotation that is connected with frame.

3, baby combine according to claim 1 is characterized in that the double-deck rice cutter that is made of the two groups of rice cutters in front and back is arranged, one group of below that places last group, back.

4, baby combine according to claim 1 is characterized in that the threshing cylinder rear side connects row's straw device, the cutting blade that has the position to intersect on row's straw wheel and the row's straw wheel case.

5, baby combine according to claim 1 is characterized in that threshing cylinder, row's straw device are connected with the collection tanker.