Speed increasing device and wind generating set

A technology for wind turbines and speed-increasing devices, which is applied in the field of speed-increasing devices and wind power generators, and can solve the problems of low working efficiency of wind power generators, poor versatility of speed-increasing gearboxes, large manpower and material resources, etc., so as to reduce R&D Difficulty, save processing, shorten the effect of design cycle

CN102562999BActive Publication Date: 2015-05-20SANY ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2015-05-20

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Abstract

The invention discloses a speed increasing device for a wind generating set, which comprises at least one hydraulic speed increasing unit. The hydraulic speed increasing unit comprises a hydraulic pump (1) and a hydraulic motor (2), an input shaft of the hydraulic pump (1) is connected with an output shaft of a wind wheel of the wind generating set, an oil inlet of the hydraulic pump (1) is communicated with an oil tank, an oil outlet of the hydraulic pump (1) is communicated with an oil inlet of the hydraulic motor (2), an oil outlet of the hydraulic motor (2) is communicated with the oil tank, and an output shaft of the hydraulic motor (2) is connected with an input shaft of a generator (3) matched with the output shaft. The speed increasing device can meet requirements of wind generating sets with different power by increasing or decreasing the number of the hydraulic speed increasing units, is high in modularization level, strong in generality, simple in structure, easy to assemble and high in work efficiency. In addition, the invention further provides the wind generating set including the speed increasing device.
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Description

technical field

[0001] The invention relates to the technical field of wind power generation, in particular to a speed increasing device for a wind power generating set. In addition, the present invention also relates to a wind power generating set comprising the above speed increasing device. Background technique

[0002] With the rapid development of economic construction, wind energy, as a new energy source, is more and more widely used in the field of power generation by countries all over the world.

[0003] A wind turbine generally includes a wind rotor, a speed-increasing device and a generator. The wind rotor is an important component that converts the kinetic energy of the wind into mechanical energy. Its function is to convert the kinetic energy of the flowing air into rotational mechanical energy.

[0004] Please refer to figure 1 , figure 1 It is a schematic structural diagram of a typical speed-up device for a wind power generating set in the prior art. [0...

Examples

Embodiment Construction

[0036] The core of the present invention is to provide a speed-up device for wind power generating sets, which has high versatility, simple structure design, easy processing and assembly, low failure rate and high work efficiency. In addition, another core of the present invention aims to provide a wind power generating set including the above speed increasing device.

[0037] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0038] Please refer to figure 2 , figure 2 It is a schematic structural diagram of a speed-up device for a horizontal-axis fan unit provided by a specific embodiment of the present invention.

[0039]In a specific embodiment, the present invention provides a speed increasing device for a wind power generating set, comprising at least one hydraulic spee...