The grain combine harvester is referred to as the combine harvester, which is a combined machine for harvesting crops. It was called combine in the early 1950s. It can complete the harvesting, threshing, separation of stems, and removal of miscellaneous residues and other processes of cereal crops at one time. Harvesting machinery that obtains grain directly from the field.
Before the invention of combine harvesters, threshers and mechanical harvesters greatly improved agricultural productivity in the 19th century which made it possible to harvest more grain with fewer workers than before. But an invention in the late 19th century took this efficiency even further. Combine harvesters are used for harvesting and threshing in one machine, allowing farmers to harvest and thresh in a single operation. Thus saving manpower and material resources, greatly reducing the burden on farmers.
The Development of Combine Harvester
From the 18th to the 19th century, many people in Britain, the United States, and other countries developed and designed combine harvesters. Some of them also obtained patents or made prototypes, but they basically did not have practical value and failed to be popularized.
In 1831, American farmer inventor McCormick designed and produced the first combine harvester pulled by two horses, and its harvesting efficiency exceeded 30 people. This is a combine harvester breakthrough in development. Since then, McCormick has been working on the improvement and manufacture of combine harvesters, which are in short supply. By 1870, the large combine harvester produced was pulled by 40 horses and had a harvesting width of 30 meters.
In 1889, American Mr. Best designed and manufactured the first self-propelled combine harvester driven by a steam engine, which could harvest up to 50 hectares of farmland a day. Since then, self-propelled combine harvesters driven by internal combustion engines have been invented later.
In the late 1880s, combine harvesters became increasingly popular in the United States, and soon similar machines were produced in Australia.
In the 1920s, the combine harvester was first used on a large scale in the wheat-producing areas of the United States, and then quickly spread to the Soviet Union, Canada, Australia and Western European countries.
Types of Combine Harvesters of Modern Machines Used in Agriculture
There are many types of combine harvesters, which are usually divided into the following four categories:
Self-propelled wheel-type full-feed combine harvester. This model is more suitable for operations in North China, Northeast China, Northwest China, Central Plains, and dryland environments. It mainly harvests wheat and rice and is suitable for long-distance transfer. It is the main model for cross-regional operations.
Self-propelled crawler full-feed combine harvester. This model is more suitable for both dry land or paddy field wet soil operations in central and southern China and is suitable for harvesting wheat and rice crops. vehicle transportation is required for long-distance transfers.
Self-propelled crawler half-feed combine harvester, This model is mainly suitable for rice harvesting, and can also harvest wheat. It is the harvester with the highest complexity among the small and medium-sized combine harvesters, and the price is also the highest. Compared with other models, the cleanliness of the grain after harvest is higher, and it can adapt to the harvesting conditions of deep mud land and severe lodging crops at the same time, it can ensure the integrity of the stems after harvesting.
Mounted combine harvesters use tractor power to carry out combined harvesting operations, and there are two types of single-power and dual-power. This type of model is cheap and can be used for multiple purposes, but it is troublesome to disassemble and assemble, Production and sales are gradually declining.
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