[특허]Lift efficiency improvement mechanism for turbine casing service wedge

Lift efficiency improvement mechanism for turbine casing service wedge 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-025/24 B66F-019/00 F01D-025/28 B66C-023/18
출원번호	US-0799652 (2013-03-13)
등록번호	US-9260281 (2016-02-16)
발명자 / 주소	Davi, Michael Alan Batzinger, Thomas James
출원인 / 주소	General Electric Company
대리인 / 주소	Cusick, Ernest G.
인용정보	피인용 횟수 : 0 인용 특허 : 43

초록 ▼

A lift efficiency improvement mechanism is provided for use with a service wedge configured to be removably installed in an access slot of a turbine casing. The lift efficiency improvement mechanism includes a connector element, which is connectable with the turbine casing proximate to the access slot and a manually transportable lift efficiency improvement device, which is supportably coupled to the connector element and movably coupled to the service wedge. The lift efficiency improvement device is configured to urge the service wedge to move relative to the access slot responsive to corresponding operator control movement.

대표청구항 ▼

1. A lift efficiency improvement mechanism for use with a service wedge configured to be removably installed in an access slot of a turbine casing, the access slot being elongate and configured for providing access to internal rotor components along a longitudinal axis of the turbine casing with the service wedge uninstalled, the lift efficiency improvement mechanism comprising: a connector element, which is connectable with the turbine casing proximate to the access slot; anda manually transportable lift efficiency improvement device, which is supportably coupled to the connector element and movably coupled to the service wedge,the lift efficiency improvement device being configured to urge the service wedge to move relative to the access slot responsive to corresponding operator control movement. 2. The lift efficiency improvement mechanism according to claim 1, wherein the service wedge is radially movable relative to the access slot. 3. The lift efficiency improvement mechanism according to claim 1, further comprising a hinge by which the service wedge is coupled to the turbine casing. 4. The lift efficiency improvement mechanism according to claim 3, wherein the service wedge is rotationally movable about the hinge relative to the access slot. 5. The lift efficiency improvement mechanism according to claim 1, wherein the connector element comprises a support structure. 6. The lift efficiency improvement mechanism according to claim 1, wherein the lift efficiency improvement device comprises a force addition device. 7. The lift efficiency improvement mechanism according to claim 6, wherein the force addition device comprises at least one of a spring-loading, a counter-weight and a crane. 8. The lift efficiency improvement mechanism according to claim 1, wherein the lift efficiency improvement device comprises a guidance tool. 9. The lift efficiency improvement mechanism according to claim 1, wherein the lift efficiency improvement device comprises a force multiplication device. 10. The lift efficiency improvement mechanism according to claim 9, wherein the force multiplication device comprises at least one of a jack and a winch. 11. A lift efficiency improvement mechanism for use with a service wedge configured to be removably installed in an access slot of a turbine casing, the access slot being elongate and configured for providing access to internal rotor components along a longitudinal axis of the turbine casing with the service wedge uninstalled, the lift efficiency improvement mechanism comprising: a connector element, which is connectable with the turbine casing proximate to the access slot; anda force multiplication device, which is supportably coupled to the connector element and movably coupled to the service wedge,the connector element and the force multiplication device being manually transportable, andthe force multiplication device being configured to urge the service wedge to move relative to the access slot responsive to corresponding operator control movement. 12. The lift efficiency improvement mechanism according to claim 11, wherein the service wedge is radially movable relative to the access slot. 13. The lift efficiency improvement mechanism according to claim 11, further comprising a hinge by which the service wedge is coupled to the turbine casing. 14. The lift efficiency improvement mechanism according to claim 13, wherein the service wedge is rotationally movable about the hinge relative to the access slot. 15. The lift efficiency improvement mechanism according to claim 11, wherein the connector element comprises a support structure. 16. The lift efficiency improvement mechanism according to claim 11, wherein the force multiplication device comprises a jack. 17. The lift efficiency improvement mechanism according to claim 11, wherein the force multiplication device comprises a winch. 18. A method of improving lift efficiency of a service wedge configured to be removably installed in an access slot of a turbine casing, the access slot being elongate and configured for providing access to internal rotor components along a longitudinal axis of the turbine casing with the service wedge uninstalled, the method comprising: disposing a connector element in connection with the turbine casing proximate to the access slot;manually transporting a lift efficiency improvement device to the connector element;supportably coupling the lift efficiency improvement device to the connector element;movably coupling the lift efficiency improvement device to the service wedge; andemploying the lift efficiency improvement device to urge the service wedge to move relative to the access slot. 19. The method according to claim 18, wherein the lift efficiency improvement device comprises at least one of a force addition device, a guidance tool and a force multiplication device. 20. The method according to claim 18, wherein the employing the lift efficiency improvement device to urge the service wedge to move comprises at least one of urging the service wedge to move linearly and rotationally.

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Lift efficiency improvement mechanism for turbine casing service wedge 원문보기

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