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Gearbox lubricating and cooling system and low-temperature starting method thereof

A lubricating cooling and gear box technology, applied in the direction of gear lubrication/cooling, lubricating parts, engine lubrication, etc., can solve the problems of low preheating efficiency, high energy, high energy consumption, improve preheating efficiency and slow heat conduction. , the effect of increasing the heating rate

Pending Publication Date: 2022-05-31
SHANGHAI ELECTRIC WIND POWER GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Limited by the surface power of the heater, the volume of the oil chamber, and the amount of oil in the oil chamber, it takes a long time and a lot of energy to heat all the lubricating oil in the oil chamber to the expected temperature, and the preheating efficiency is low and consumes High energy, not conducive to energy saving and environmental protection

Method used

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  • Gearbox lubricating and cooling system and low-temperature starting method thereof
  • Gearbox lubricating and cooling system and low-temperature starting method thereof
  • Gearbox lubricating and cooling system and low-temperature starting method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Such as figure 1 As shown, this embodiment proposes a gearbox lubrication and cooling system, including:

[0053] The first partition device 21, the first partition device 21 is arranged in the gear box 1, and divides the oil chamber of the gear box 1 into at least two sub-oil pools communicating with each other; if the gear box 1 has Two sub-oil pools are respectively the first sub-oil pool 2 and the second sub-oil pool 3, wherein the lubricating oil flows into the first sub-oil pool 2 after passing through the transmission structure 4; if the gearbox 1 has More than two sub-oil pools, respectively the first sub-oil pool 2 and the first intermediate oil pool, the second sub-oil pool 3, the first sub-oil pool 2 and the second sub-oil pool 3, the first sub-oil pool The oil pool 2 and the second sub-oil pool 3 are respectively located on both sides of the first middle oil pool, wherein the lubricating oil flows into the first sub-oil pool 2 after passing through the tran...

Embodiment 2

[0064] On the basis of the first embodiment above, in this embodiment, as figure 2 and Figure 2a As shown, the gear box 1 has an external oil tank 15, the oil cavity of the external oil tank 15 is connected to the second sub-oil pool 3 through a communication pipe 19, and the lubricating oil can be used in the first sub-oil pool 2 and the second sub-oil pool. Two sub-oil pools 3 and 15 external oil tanks flow.

[0065] On the basis of the first embodiment above, in this embodiment, the gearbox lubrication and cooling system further includes:

[0066] The second oil pump 12, the input end of the second oil pump 12 is connected to the first sub-oil pool 2 through the first multi-way valve 13, and the output end of the second oil pump 12 is connected to the first sub-oil pool 2 through the second multi-way valve 14. The external oil tank 15 is connected; the first sub-oil pool 2 is connected to the first multi-way valve 13, the second oil pump 12, the second multi-way valve 1...

Embodiment 3

[0077] On the basis of the second embodiment above, in this embodiment, as image 3 and Figure 3a , Figure 3b As shown, the gearbox lubrication and cooling system also includes:

[0078] The second separation device 17, the second separation device 17 is arranged in the external oil tank 15, and divides the oil chamber of the external oil tank 15 into at least two sub-oil pools that communicate with each other; if the external The oil tank 15 has two sub-oil pools, which are then recorded as the third sub-oil pool 18 and the fourth sub-oil pool 16, wherein the third sub-oil pool 18 is connected with the second sub-oil pool 3 through a communication pipe 19, and the lubricating oil It can flow between the first sub-oil pool 2 and the fourth sub-oil pool 16; if the external oil tank 15 has more than two sub-oil pools, it is recorded as the second middle oil pool and the third sub-oil pool 18, the third sub-oil pool Four sub-oil pools 16, wherein the third sub-oil pool 18 an...

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PUM

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Abstract

The invention discloses a gearbox lubricating and cooling system which is characterized in that a gearbox is provided with an external oil tank, and the gearbox lubricating and cooling system comprises a first separation device and a second separation device, the first separating device and the second separating device divide an oil cavity of the gearbox and an oil cavity of the external oil tank into at least two sub-oil pools which are communicated with each other respectively. And the heating device is arranged in the sub oil pool. The heating device and mechanical loss of a transmission structure in the gearbox are used for independently heating all the sub-oil pools, the preheating efficiency of lubricating oil is improved, and the energy consumption for preheating the lubricating oil of the gearbox is reduced.

Description

technical field [0001] The invention relates to a gearbox lubricating and cooling system, in particular to a gearbox lubricating and cooling system with an external oil tank and a lubricating method. Background technique [0002] With the increase of the capacity and torque density of the wind turbine gearbox, the amount of lubricating oil required for lubrication and cooling of the gearbox is increasing, and the lubrication and cooling system of the wind turbine gearbox with an external oil tank has begun to appear. [0003] The oil cavity of the existing gear box or external oil tank is generally a cavity with a single structure, and lubricating oil is stored in the cavity for lubricating and cooling the parts to be lubricated. Lubricating oils have a property of increasing in viscosity as temperature decreases. When the gearbox is in a low-temperature environment, the viscosity of the lubricating oil is too high to be normally used for splash lubrication or forced lubric...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H57/04F16N39/04F16N39/06F03D80/70
CPCF16H57/045F16H57/0434F16H57/0404F16H57/0413F16H57/0435F16H57/0441F03D80/70Y02E10/72
Inventor 刘世江
Owner SHANGHAI ELECTRIC WIND POWER GRP CO LTD
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