Large vehicle fuel tank with fuel-shaking alleviating function

Abstract

The invention relates to a large vehicle fuel tank with a fuel-shaking alleviating function. The large vehicle fuel tank aims to reduce impact generated by fuel shaking to a fuel tank fixing structureand a vehicle body and reduce heat generated by fuel shaking in the operation process of a large vehicle. An inner cavity of the fuel tank is divided by horizontal partition plates into a plurality of vertically-distributed secondary oil cavities, and two through holes are formed in each horizontal partition plate, wherein one of the two through holes is used for arranging an oil inlet pipe, andthe other one of the two through holes is used for communicating the two corresponding adjacent secondary oil cavities. In the working process, saturated secondary oil cavities and non-oil secondary oil cavities cannot generate fuel impact, and therefore impact of fuel to the fuel tank is only limited to secondary oil cavities where the liquid levels are located. Longitudinal partition plates thendivide each secondary oil cavity into a plurality of horizontally-distributed third-level oil cavities communicating through seams, light floating plates are arranged in all third-level oil cavitiesexcept the bottommost oil cavities, and therefore impact of fuel in the fuel tank to the tank and the vehicle body is effectively lowered. Since the bottom secondary oil cavities are relatively small,oil supply is more sufficient and smoother to a dumper in a less-oil climbing state.

Description

technical field [0001] The invention relates to a large-scale vehicle fuel tank, in particular to a large-scale vehicle fuel tank with the function of alleviating oil sloshing. Background technique [0002] A vehicle's fuel tank is a container for storing fuel and is also the source of power for the engine. Large-scale engineering vehicles have a large workload, and their fuel consumption is very large, so the volume of the fuel tank also becomes large. Taking mining dump trucks as an example, for models with a load of more than 170t, it must have a large fuel tank of more than 2000L. At the same time, the working environment of general large-scale engineering vehicles is very harsh. When the oil in the fuel tank is in an unsaturated state, the oil inside the fuel tank is prone to sloshing, especially during turning and braking. And the fuel tank fixing device produces a great impact, which affects the driving stability of the vehicle and reduces the service life of the fu...

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Problems solved by technology

[0004] The partition arrangement in the first patent makes the height of each sub-oil chamber equal to the height of the overall oil chamber. Due to the large volume of the fuel tank of the dump truck, the volume of each sub-oil chamber is relatively large, and the cumulative impact of each sub-oil chamber is relatively large. Large, if the number of partitions is increased, too much fuel tank volume will be occupied, and this arrangement will easily cause unsmooth fuel supply due to the long length of the fuel tank when the car body encounters a large slope and less oil; In the second patent, the communication area between the sub-oil chambers is relatively large, and there is more liquid exchange during the shaking process. If the distance between the partition and the fuel tank wall is reduced, it will cause difficulties in the oil filling process.

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