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Sensorised multiplier

A gearbox and sensing technology, applied in the field of sensing gearboxes, can solve the problems of unmentioned loads and axial and radial forces, and achieve the effect of reducing maintenance costs and reducing the possibility of failure.

Inactive Publication Date: 2009-12-09
GAMESA INNOVATION & TECH SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] None of these patents mention the installation of sensors in the stationary parts of the machine to obtain the load on the rotating shaft and the axial and radial forces due to the operation of the gearbox

Method used

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Examples

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Embodiment Construction

[0030] The shaft or axis whose reaction is to be measured is supported by two or more bushes or bearings which transmit axial and radial forces to the gearbox housing or case, we will measure the reaction of the rotating shaft force. The addition of sensing components enables the measurement of these radial and axial forces.

[0031] Such as figure 1 As shown, the gearbox comprises a main body (1) connected at one end to a rotor hub (2) and at the other end to a generator (3) (not shown). The side connected to the generator (3) is covered by a housing (7) with three main rear covers: main shaft cover (4), intermediate shaft cover (5) and quick shaft cover (6). The shaft and bearings of the gearbox are inside the housing, which covers and protects the aforementioned cover.

[0032] exist figure 2 , shows the cross-section of the intermediate shaft cover (5), in top plan view, the gearbox housing (7) can be seen inside it. Below the housing is a bushing (12) where the radi...

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PUM

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Abstract

The invention relates to a sensorised multiplier having a plurality of sensors (8 and 14) mounted on a set of parts (5 and 12) which are fixed to the multiplier (1) and measuring the loads on the rotary shaft (11) and the axial and radial stresses derived from the operation of the wind generator. The sensors (8 and 14) mounted on the selected parts (5 and 12) perform sensing operations over a specific period of time or for the whole life of the multiplier, taking the measurement instantaneously and transmitting the data to a control system which controls the power of the machine by controlling the RPM and pitch of the wind generator or executing an emergency stop.

Description

technical field [0001] In the present invention, displacement and load sensors are used to measure the axial and radial movement of the rotating shaft and the forces transmitted by the shaft to the gearbox bearings and housing. [0002] Displacement and force measurements are carried out on the shaft supports and gearbox bearings to obtain the deformation of the affected parts, the magnitude and direction of the reaction forces on the shaft supports and the ratio between the axial force and the radial force obtained at each moment . [0003] The system is suitable for any mechanical system with rotating elements or rotating machines with shafts, bearings and housings, especially for gearboxes used in wind turbines. Background technique [0004] Gearboxes are components subjected to significant oscillating components of structural and dynamic forces, which are prone to mechanical fatigue and therefore have an increased potential for defects in their structural integrity. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D7/04F16H57/00
CPCF05B2270/107F05B2260/4031F05B2260/80Y02E10/722F03D11/02F16H57/01F05B2260/70F05B2270/11F16H2057/012F03D15/00Y10T74/2186Y10T74/19642Y02E10/72F03D80/70F03D7/04F03D15/10
Inventor 乌尔泽莱·伊里瓦伦·古鲁兹
Owner GAMESA INNOVATION & TECH SA
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