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Power system of electric excavator

An electric excavator and power system technology, applied in the power system field, can solve the problems of noise pollution, energy waste, low engine work efficiency, etc., and achieve the effects of improving work efficiency, reasonable layout design, and novel structure layout

Inactive Publication Date: 2012-12-26
SHANGHAI SANY HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The working efficiency of the engine in the prior art is low, and even 50% of the energy will be wasted, and a large amount of noise pollution will be generated in the process of fuel generation. A new type of power system is urgently needed to solve the above problems

Method used

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  • Power system of electric excavator
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  • Power system of electric excavator

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Embodiment Construction

[0020] The power system of an electric excavator of the present invention will be further described in detail below in conjunction with the best implementation mode of the present invention and the accompanying drawings.

[0021] Such as figure 1 As shown, a power system of an electric excavator of the present invention includes a rotary platform 1, a transmission system 2, a cooling system 3 and a power supply system 4, wherein the transmission system 2, the cooling system 3 and the power supply system 4 are connected to each other in pairs, And the transmission system 2 , the cooling system 3 and the power supply system 4 are all fixedly installed on the rotary platform 1 . Such as figure 1 , figure 2 As shown, the transmission system 2 in this embodiment is located at the right rear position on the upper surface of the rotary platform 1, and is fixed on the rotary platform 1 through a four-point shock absorber (not shown), which includes a motor 21, coupled with A shaft...

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Abstract

The invention discloses a power system of an electric excavator, comprising a rotary platform, and a transmission system, a cooling system and a power supply system which are fixedly installed on the rotary platform and connected with each other, wherein the transmission system comprises a motor, a shaft joint, a connecting end cover and a main pump, the motor is connected with the main pump by the shaft joint, the connecting end cover is arranged between the motor and the main pump, and the shaft joint is closed in the connecting end cover; the cooling system comprises a radiator, a cooling fan, a cooling water pipe and a cooling water pump, the cooling water pipe is arranged by being divided into three sections, and the three sections of the cooling water pipe are respectively connected between the radiator and the cooling water pump, between the cooling water pump and the transmission system and between the transmission system and the radiator. In the invention, the structural layout of the whole machine is novel and reasonable, the noise is low, the work efficiency is promoted, and the green and environmental protection is achieved.

Description

technical field [0001] The invention relates to a power system, in particular to a power system of an electric excavator. Background technique [0002] An excavator is an earth-moving machine that uses a bucket to excavate materials that are higher than or lower than the bearing surface, and load them into a transport vehicle or unload them to a stockyard. Excavators known in the market have an internal combustion engine as a power system, and this known hydraulic excavator powered by an internal combustion engine can discharge gases that are harmful to human health due to the need to burn fuel during work. Excavators that use electric motors instead of engines as power systems have also appeared on the market. For example, a kind of electric hydraulic excavator disclosed in Chinese Patent No. CN20082011373 discloses a power system in which an electric motor is used to replace an internal combustion engine on a known hydraulic excavator. The conductive ring is installed...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F9/00E02F9/08E02F9/20
Inventor 宋杰张卫丰李庆虎
Owner SHANGHAI SANY HEAVY IND
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