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Type of harvester2022-08-30 10:52:28
Type of harvester

Side hanging 

The hard shaft drive is mainly composed of engine, transmission system, clutch, working parts, control device and side hanging belt. One end of the drive shaft is equipped with 0.75 ~ 2 kW single cylinder two-stroke air-cooled gasoline engine and centrifugal friction clutch; The other end is equipped with a working part composed of a reducer and a cutting tool. There are many types of working parts, commonly used as circular saw blades, blades or nylon wire. When working, hang the carabiner on the aluminum alloy sleeve of the drive shaft on the backstrap under the operator's shoulder, hold the handle, and swing the hard shaft laterally to complete the cutting of weeds and shrubs. The weight of the machine is about 6 ~ 12 kg, and the speed is about 4500 ~ 5000 RPM. 


With soft shaft drive, the general structure is similar to the side hanging cutting and irrigation machine, the difference is that the engine is on the back of the operator, the cutting parts are driven by the soft shaft, the engine power is generally 0.75 ~ 1.2 kW. The engine and the back frame are connected by two points and equipped with special rubber parts for vibration isolation. Flexible shaft is a wire flexible shaft fitted in a hose to transfer torque. The hose is a threaded pipe with steel tape wrapped in a metal braided mesh covered with a rubber protective sleeve to prevent dust from invading the shaft and to keep lubricating oil on the shaft surface. The cut width is generally between 1.5 and 2 meters. 

Walking type 

The weight of the machine is supported by the walking wheel, the machine is pushed forward by the man, and the engine drives the working parts to cut and irrigate. Its structure and working principle are similar to the portable cutting irrigation machine. The hanging harvester is suspended behind the tractor and driven by the power output shaft to rotate the working parts. It is suitable for large area cutting and irrigation operations. It is mainly composed of frame, saw blade, transmission device, sus


It is composed of a dialing wheel, one or two front and rear canvas conveyor belts, grain divider, cutter and transmission device, etc. (FIG. 1). During operation, the reciprocating cutter, with the cooperation of the rotary wheel pressure plate, cuts the crop and pushes it backward on the canvas conveyor belt, which sends the crop to the left side of the machine. The double conveyor belt because the rear conveyor belt is longer than the front conveyor belt, so that the head part of the spike falls late, and the straw is spread on the ground into a neat grain with the direction of the machine into a deviation Angle, which is convenient for manual picking up and baling. The horizontal cutting table harvester has good adaptability to different growth density, plant height, lodging degree and yield of rice and wheat, and its structure is simple. But the longitudinal size is larger, the operation of the unit flexibility is poor, mostly with 15 kW below the wheel or walking tractor matching, cutting width is less than 2.0 meters, each meter cutting width per hour can collect wheat 4 ~ 5 mu.


The cut crops stand upright on the plane of the cutter and are laid in strips against the conveyor outside the output machine. There are two kinds of side laying and after laying: side laying type harvester by dividing grain and dial grain star wheel (or dial grain finger wheel), cutter, transverse vertical tooth belt conveyor, etc. The cut crops are transferred to the upper and lower tooth belts of the conveyor by the star wheel, and the conveyor tranparts them horizontally to the side of the machine for laying. After laying type harvester (figure 2) between two points grain device every 30 cm a group with a dial the tooth triangle is designed, the pressure wheel and hetian play, make the straw in the process of lateral transfer stable state of upright, arrived at the machine right back by a vertical conveyor belt conveyor, straw in conjunction with the pressure of grain board in the rear article laying into the machine. In the case of interplanting corn, the grain is not pressed on the seedling, and the width of the cut is equal to the width of the wheat furrow between two rows of corn. Vertical cutting table harvester has compact structure, small longitudinal size, light and flexible, good handling performance, and is suitable for harvesting rice and wheat on small plots. With 7 ~ 9 kW walking tractor or 15 kW or so wheel tractor matching, cut 1.1 ~ 1.2 meters; Also with 2 ~ 3 kW hand support special chassis matching small self-propelled harvester, cut about 1 meter.