Granted Patent B2

US 8,753,082 · App. 12/830,677 · Granted Jun 17, 2014

Abstract

Claims (16)

1. A multi-stage gear box ( 122 ) of a wind power plant, the gear box ( 122 ) comprising:

a gear box housing ( 125 ),

wherein at least one access opening for the insertion of a work instrument into the gear box housing ( 125 ), is provided on the outside of the gear box housing ( 125 )

at least one guiding means ( 201 , 202 , 203 , 204 , 205 ) is provided for the work instrument inside the gear box housing ( 125 ) so that the work instrument is moveable and/or positionable within the guiding means ( 201 , 202 , 203 , 204 , 205 ),

wherein parts of the gear box ( 122 ) in the gear box housing ( 125 ) are checked and/or worked by means of the work instrument inserted or arranged or arrangeable in the guiding means ( 201 , 202 , 203 , 204 , 205 ) or at least one physical property of oil, in the gear box housing ( 125 ) or physical properties of components of the gear box ( 122 ) are detected, wherein the components include at least one fixed component that is not movable with respect to the gear box housing and at least one moveable component that is moveable with respect to the gear box housing,

wherein the guiding means ( 201 , 202 , 203 , 204 , 205 ) includes several guiding means sections that communicate with each other and are aligned or alignable with each other, upon insertion of the work instrument into the guiding means, and

wherein the guiding means sections include at least one fixed section that is attached to the at least one fixed component and at least one moveable section that is attached to the at least one moveable component.

2. The gear box ( 122 ) according to claim 1 , wherein the guiding means ( 201 , 202 , 203 , 204 , 205 ) is constructed as a guide tube ( 201 , 202 , 203 , 204 , 205 ) or as a guide hose.

3. The gear box ( 122 ) according to claim 1 , wherein the guiding means ( 201 , 202 , 203 , 204 , 205 ) is constructed closed in sections in cross-section.

4. The gear box ( 122 ) according to claim 1 , wherein the guiding means ( 201 , 202 , 203 , 204 , 205 ) comprises straight or bent tube sections.

5. The gear box ( 122 ) according to claim 1 , wherein openings are provided in the guiding means ( 201 , 202 , 203 , 204 , 205 ).

6. The gear box ( 122 ) according to claim 1 , wherein the guiding means comprises an oil scraper device on an end or at an outlet of the guiding means ( 201 , 202 , 203 , 204 , 205 ).

7. The gear box ( 122 ) according to claim 1 , wherein at least one optical device is arranged in the gear box housing ( 125 ) or a part of the optical device is arranged in the gear box housing ( 125 ), wherein the interior of the gear box housing ( 125 ) is checked or is checkable using the optical device and using the work instrument inserted or provided in the gear box housing ( 125 ) or physical properties of media in the gear box or the physical properties of the components of the gear box ( 122 ) are detected or are detectable.

8. The gear box ( 122 ) according to claim 1 , wherein the access opening for one or more guiding means, is constructed to be closable.

9. The gear box ( 122 ) according to claim 1 , wherein the work instrument is disposed in the gear box housing ( 125 ).

10. The gear box ( 122 ) according to claim 9 , wherein the work instrument is at least one of an inspection device, a measurement device, and a tool.

Assignments (7)