Lubricating system for gear box of wind generating set

A technology for wind turbines and lubrication systems, applied in wind turbine components, wind turbines, gear lubrication/cooling, etc., can solve the problems of insignificant cooling effect of the lubrication system and imperfect system control, so as to improve the cooling effect and reduce the Maintenance cost, effect of avoiding temperature rise

Active Publication Date: 2011-02-23
DALIAN HUARUI HEAVY IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings of the existing lubrication system, such as inconspicuous cooling effect, imperfect system control, and no gearbox failure

Method used

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  • Lubricating system for gear box of wind generating set
  • Lubricating system for gear box of wind generating set

Examples

Experimental program
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Embodiment Construction

[0016] Such as figure 1 The gearbox lubricating system of a wind power generating set as shown includes an oil tank 1 and a gear box 25, and is characterized in that: the oil tank 1 is externally installed independently, has a circulation heating system on it, and is connected through a flexible rubber joint or a metal hose 30 communicates with the gear box 25, which effectively reduces the impact of the vibration of the gear box on the fuel tank device during operation. Lubricating oil is sucked from oil tank 1 through electric pumps 7, 11 and mechanical pump 29, then passes through check valves I10, II14, III28, and is distributed to filters I22, II23, III27, and then joins together and enters three-way temperature control valve 26, and Divided according to oil temperature. The oil temperature is usually set at 42°C to 45°C. When the temperature has not yet reached the set value, the lubricating oil directly enters the oil distributor of the gear box 25 after passing throu...

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Abstract

The invention discloses a lubricating system for a gear box of a wind generating set. The system comprises an oil tank and the gear box, and is characterized in that: the oil tank is externally arranged independently, is provided with a circulation heating system, and is communicated with the gear box through a flexible rubber joint or a metal hose; oil pipes are arranged in the oil tank and are respectively connected with an electric pump I, an electric pump II and a mechanical pump; lubricating oil enters one-way valves I, II and III through each of the pumps, converges and enters a three-way temperature control valve after passing through filters I, II and III, and directly enters the gear box and/or enters the gear box through a panel cooler; and the panel cooler is connected in parallel with a circulating water system which consists of an air cooler I, an air cooler II, a water pump, a temperature sensor, a pressure tank, a pressure relay and a safety valve II. The system has the characteristics of high cooling effect, low vibration, improvement on heating efficiency, prolongation of lubricating service life and supply of early warning, and is suitable to be used in the lubricating system of the gear box of a large-scale fan.

Description

technical field [0001] The invention relates to a pressure lubrication system with a lubricant discharge or purification device, in particular to the lubrication, cooling and filtration of a wind power generation gearbox. Background technique [0002] At present, the lubrication system of the gearbox of the wind power generating set is scattered and installed on the gearbox in the form of multiple components, mainly composed of the motor, the gear pump, the air cooler of the filter, and the lubricating oil is directly stored in the gearbox. This form of lubrication system has always had the disadvantages of inconspicuous cooling effect, imperfect system control, low reliability of the gearbox and high maintenance frequency. In addition, with the rapid development of the wind power industry, small wind turbines will gradually be replaced by large wind turbines, and large wind turbines, such as 5 MW turbines, are mainly offshore models, and the maintenance costs are very high....

Claims

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Application Information

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IPC IPC(8): F03D11/00F16H57/04
CPCY02E10/722Y02E10/72
Inventor 吕国科王斌刘林史显忠
Owner DALIAN HUARUI HEAVY IND GRP CO LTD
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