Engine hood

Abstract

The invention discloses an engine hood. The engine hood comprises a main hood plate, wherein the main hood plate comprises an inner side surface and an outer side surface; air inlet channels penetrating through the inner side surface and the outer side surface are formed in the main hood plate; cooling areas are arranged in the air inlet channels; and the area of a cross section, perpendicular to an axis, in each cooling area is smaller than the area of an air inlet port of each air inlet channel. The engine hood provided by the invention can be arranged on an engine, the inner side surface is close to an air suction port of the engine, and through a manner that the area of the cross section, perpendicular to the axis, in each cooling area is smaller than the area of the air inlet port of each air inlet channel, the temperature of external environment air passing through the cooling areas can be reduced by 5 to 10 DEG C, so that the external air is cooled before entering the air suction port of the engine. According to the engine hood provided by the invention, through the change of an air inlet structure, physical cooling of the engine is performed under the condition that the load of the engine and additional cooling equipment are not increased, and the engine can be guaranteed to output stable power for a long time in a field operation.

Description

technical field [0001] The present disclosure generally relates to the technical field of agricultural operation equipment, specifically relates to a rice transplanter, and especially relates to a machine cover. Background technique [0002] As a large traditional agricultural country, our country has abundant land resources, and a large number of crops need to be planted every year. With the technological development of society, crop planting technology has also been rapidly developed, and crop planting equipment has also been rapidly updated. For example, the rice transplanter is a special agricultural machinery and equipment for implanting rice seedlings in the rice field, which significantly improves the efficiency of rice transplanting and has broad market development prospects in China. Rice transplanters can be divided into walking rice transplanters and riding rice transplanters according to the operation mode. According to the transplanting speed, it can be divide...

AI Technical Summary

Problems solved by technology

Since the high-speed rice transplanter is generally used in the busy summer season, it is often in a harsh environment with high temperature and high humidity during operation, and it works under high load for a long time, causing great damage to the fuselage. In order to overcome the running resistance of the engine, , needs to generate a large power, which makes the engine need to be used heavily, but at the same time, it will also bring a side effect, that is, the temperature of the engine will increase very high, which will cause the engine oil to fail, and the piston and cylinder liner will expand due to overheating If you want to bite to death, it will turn off the flame, and the engine will be damaged if it is serious.

However, the heat dissipation mechanism of the engine sometimes cannot meet the above cooling requirements.

If an additional heat dissipation mechanism is added, the manufacturing cost will be further increased, and the load on the fuselage will also increase accordingly

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