Engineering machinery and cleaning system thereof
A technology for construction machinery and water pump motors, which is applied to vehicle cleaning, cleaning methods and utensils, and cleaning methods using liquids, etc., can solve problems such as fuel waste, low power, and increased use costs, saving fuel and reducing output power. , the effect of environmental protection
Active Publication Date: 2014-07-09
河北雷萨重型工程机械有限责任公司
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Problems solved by technology
[0002] The cleaning system is an essential equipment on construction machinery such as concrete pump trucks. Generally, the washing time of concrete pump trucks accounts for about 10%-20% of the working time. The power of the water pump motor in the existing concrete pump trucks is very low, and the engine The output power at high speed is much greater than the power required by the pump motor, and because the matching between the pump motor and the engine in the existing concrete pump truck is at a high engine speed, it will inevitably cause a great waste of fuel and greatly increase the cost of use
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[0021] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0022] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying Describes, but does not indicate or imply that the device or element referred...
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The invention discloses a cleaning system used for engineering machinery, and the engineering machinery provided with the cleaning system. The cleaning system comprises a water pump, a water pump motor and a first valve. The water pump is used for spraying high pressure water. The water pump motor is in connection with the water pump and drives the water pump to work and to spray the high pressure water. The first valve is in connection with the water pump motor, and hydraulic oil with constant flow can be supplied to the water pump motor to drive the water pump motor to be in rated operation through the first valve. According to the cleaning system, under a full work condition of an engine, the water pump can be in a rated operation and spray the high pressure water, meanwhile, the cleaning system can still be in normal operation when the engine idles speed, and therefore rotation speed of the engine is effectively reduced, output power of the engine is lowered, fuel oil is saved, and using cost is greatly reduced. Besides, the cleaning system is compact in structure, simple in principle, strong in feasibility, capable of being widely applied to concrete pump trucks, trailer pumps or truck mounted pumps to clean trucks, and remarkable in practical effect.
Description
technical field [0001] The invention relates to the field of mechanical equipment cleaning systems, in particular to an engineering machine and a cleaning system thereof. Background technique [0002] The cleaning system is an essential equipment on construction machinery such as concrete pump trucks. Generally, the washing time of concrete pump trucks accounts for about 10%-20% of the working time. The power of the water pump motor in the existing concrete pump trucks is very low, and the engine The output power at high speed is far greater than the required power of the pump motor, and because the matching between the pump motor and the engine in the existing concrete pump truck is at a high engine speed, it will inevitably cause a great waste of fuel and greatly increase the cost of use. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems existing in the prior art. [0004] Therefore, an object of the present in...
Claims
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IPC IPC(8): B60S1/62B08B3/02
Inventor 张戚蒋浩杨卫利魏严
Owner 河北雷萨重型工程机械有限责任公司