Analysis of Development Parameters of Single Rice Spike Thresher

Rice and wheat single spike threshing is an important part of scientific research. In the past, the type of threshing was to rely on hand-to-mouth injection, the method was backward, and the ergonomics were very low. It was not suitable for scientific research. The scientific and technical personnel of the Provincial Institute of Land Reclamation Science and Technology, after careful research and repeated experiments, successfully developed a rice and wheat single-head threshing machine, which has a simple structure, high threshing efficiency, and good working performance.

Rice and wheat single ear thresher is composed of shell, roller, concave plate and fan. The body is 475 mm long, 275 mm wide and 335 mm high. Roller diameter 110 mm, length 130 mm, equipped with 12 rows of iron teeth, teeth height mm, tooth diameter 8 mm, drum speed 700 rev / min. The concave hole diameter is 8mm and the hole distance is 10mm. Rice and wheat single ear thresher machine fan is cylindrical straight blade type, diameter 130 mm, rotating speed 1350 rpm, air volume can be adjusted. The supporting power is a 120 watt motor.

In order to facilitate the removal of residual particles and avoid mixing, the concave plate adopts two-half type and can electromagnetically self-oscillate. The transparent plexiglass for the rice and wheat single-head thresher machine wall is supplemented with 8 watt fluorescent lighting equipment, making the window easy to observe. For practical purposes, wheat single spike threshing only takes 2 to 8 seconds. One-man operation, including cutting, writing number plate, threshing, bagging, sealing five processes, 40 plants per hour can be off. With two people, 200 to 220 spikelets per hour can be removed. Erg efficiency is increased by 2 times compared to artificial threshing. Water pole threshing can also separate clubs and grains. In 1978, 2,500 single plants were removed from wheat and 1,400 single panicles. There were no residual grains and mixed phenomena. The problem is that grain packing takes more time and noise is greater and is being further improved.

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