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Engineering machine, cooling method and cooling system for heating components in engineering machine

A technology for heat-generating components and construction machinery, which is applied to mechanically driven excavators/dredgers, etc., and can solve the problems of large differences in cooling temperature, difficulty in meeting the cooling requirements of heat-generating components at the same time, and uncontrollable cooling methods.

Active Publication Date: 2015-06-10
SHANTUI CONSTR MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Furthermore, the cooling temperature required by the engine and the heat-generating components is quite different. The traditional cooling method is uncontrollable, and it is difficult to meet the cooling requirements of each heat-generating component at the same time.

Method used

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  • Engineering machine, cooling method and cooling system for heating components in engineering machine
  • Engineering machine, cooling method and cooling system for heating components in engineering machine

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Embodiment Construction

[0039] The core of the present invention is to provide a cooling method for heat-generating components in construction machinery. The cooling effect of the cooling method is controllable, enabling the heat-generating components to obtain the best cooling effect. Another core of the present invention is to provide a cooling system using the above cooling method. In addition, the third core of the present invention is to provide a construction machine using the above cooling system.

[0040] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0041] Please refer to figure 1 , figure 1 It is a flow chart of a specific embodiment of the method for cooling heat-generating components in construction machinery provided by the present invention.

[0042] In a specific embodiment, the present inv...

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Abstract

The invention discloses a cooling method for a heating component in an engineering machine. The cooling method includes determining a preset temperature according to working states of the heating component; measuring the actual temperature; judging whether the actual temperature is equal to the preset temperature or not; if equal, then continuing to measure the temperature; otherwise, regulating rotational speed of a motor and changing flow of a water pump to change flow of coolant in a cooling loop, and finally regulating a cooling effect of the cooling method. The preset temperature and the actual temperature can be temperature of the heating component, can also be the temperature of the coolant in the cooling loop. By the cooling method, the heating component can be cooled optimally according to requirements to the temperature. The invention further discloses a cooling system utilizing the cooling method and the engineering machine utilizing the cooling system.

Description

technical field [0001] The invention relates to the technical field of construction machinery, in particular to a cooling method and system for heat-generating components in construction machinery, and furthermore, to a construction machinery. Background technique [0002] The cooling device of construction machinery is usually directly driven by the engine, and its installation and operating power depend on the engine. This cooling device can only circulate the cooling liquid according to the operating conditions of the engine, and cannot adjust and control the rotating speed of the water pump. [0003] With the continuous development and progress of construction machinery, energy conservation and emission reduction have become a new direction for the development of construction machinery, and hybrid machinery has gradually become a model for energy conservation and environmental protection in the new era. Taking a hybrid bulldozer as an example, its power transmission use...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F3/80
Inventor 侯衍华姚爱贞赵成龙赵金光张红郭瑞
Owner SHANTUI CONSTR MASCH CO LTD
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