초록 ▼

A power bridge rollout service system for removing and installing a power bridge, the power bridge having a housing with an external bus assembly. The power bridge rollout service system includes a roller assembly, an enclosure assembly, and a dolly assembly. The roller assembly is structured to sup

A power bridge rollout service system for removing and installing a power bridge, the power bridge having a housing with an external bus assembly. The power bridge rollout service system includes a roller assembly, an enclosure assembly, and a dolly assembly. The roller assembly is structured to support the power bridge and has a plurality of wheels. The enclosure assembly has a frame assembly structured to support the power bridge and has two wheel tracks. The dolly assembly has a frame assembly, a vertical lifting device, and a plurality of wheels. The vertical lifting device and wheels are coupled to the dolly frame assembly. The vertical lifting device acts upon a work platform such as a skid table assembly. The skid table assembly has a generally flat lifting plate. The skid table assembly may be raised so that the lifting plate is at the same general height as the frame assembly wheel tracks. Thus, the lifting plate is adjacent to the frame assembly wheel tracks so that the roller assembly and power bridge may be rolled from the enclosure assembly onto the skid table assembly. Once the roller assembly and power bridge are on the dolly assembly, the power bridge may be transported away from the enclosure assembly.

대표청구항 ▼

1. A power bridge rollout service system for removing and installing a power bridge, said power bridge having a housing with an external bus assembly, said power bridge rollout service system comprising:a roller assembly structured to support said power bridge and having a plurality of roller assemb

1. A power bridge rollout service system for removing and installing a power bridge, said power bridge having a housing with an external bus assembly, said power bridge rollout service system comprising:a roller assembly structured to support said power bridge and having a plurality of roller assembly wheels;an enclosure assembly having an enclosure frame assembly with a plurality of frame members structured to support said power bridge;a dolly assembly having a dolly assembly frame assembly, a vertical lifting device, and a plurality of dolly assembly wheels, said vertical lifting device and dolly assembly wheels coupled to said dolly frame assembly;a work platform structured to be removably coupled to said vertical lifting device;wherein said work platform may be coupled to said vertical lifting device and moved vertically to be aligned with said roller assembly and whereby said the work platform is disposed adjacent to said enclosure assembly so that said roller assembly may be coupled to said dolly assembly;wherein said work platform is a power bridge yoke assembly having two bridge forks;said roller assembly includes a pair of yoke brackets;said power bridge yoke assembly is structured to engage said pair of yoke brackets; andwherein said vertical lifting device is structured to raise said power bridge yoke assembly bridge forks to be aligned with said pair of yoke brackets. 2. A power bridge rollout service system for removing and installing a power bridge, said power bridge having a housing with an external bus assembly, said power bridge rollout service system comprising:a roller assembly structured to support said power bridge and having a plurality of roller assembly wheels;an enclosure assembly having an enclosure frame assembly with a plurality of frame members structured to support said power bridge;a dolly assembly having a dolly assembly frame assembly, a vertical lifting device, and a plurality of dolly assembly wheels, said vertical lifting device and dolly assembly wheels coupled to said dolly frame assembly;a work platform structured to be removably coupled to said vertical lifting device;wherein said work platform may be coupled to said vertical lifting device and moved vertically to be aligned with said roller assembly and whereby said the work platform is disposed adjacent to said enclosure assembly so that said roller assembly may be coupled to said dolly assembly;wherein said work platform is a skid table assembly having a lifting plate;said enclosure assembly includes a pair of wheel tracks sized and spaced to engage said roller assembly wheels;wherein said lifting device is structured to raise said skid table assembly to the same general height as wheel tracks, whereby said skid table assembly is adjacent to said frame assembly wheel tracks so that said roller assembly and power bridge may be rolled between said enclosure assembly and said skid table assembly;wherein said dolly assembly includes a coupling device structured to secure said dolly assembly to said enclosure assembly;wherein said enclosure assembly includes an engagement member;said skid table assembly includes a V-flange; andsaid V-flange structured to engage said engagement member as said lifting device lifts said skid table assembly whereby said skid table assembly is coupled to said enclosure assembly. 3. The power bridge rollout service system of claim 1, wherein said enclosure assembly is formed without a frame member immediately adjacent to the ground, whereby said dolly assembly may be moved into said enclosure assembly. 4. The power bridge rollout service system of claim 2, wherein said skid table assembly includes a locking device structured to resist movement of the roller assembly while the roller assembly is disposed on the skid table assembly. 5. The power bridge rollout service system of claim 4 wherein said locking device is at least one wheel lock lever, said wheel lock lever structured to engage one of said roller assem bly wheels. 6. The power bridge rollout service system of claim 5, whereinsaid lifting plate has a front side, a back side and two lateral sides;said skid table assembly includes at least one upper sidewall, said sidewall extending generally perpendicular to said lifting plate and extending from said back side and two lateral sides; andsaid at least one wheel lock lever coupled to one said sidewall. 7. The power bridge rollout service system of claim 2, whereinsaid skid table assembly has a front side and a back side; andsaid V-flange disposed on said front side. 8. A method of removing a power bridge from an enclosure assembly using a dolly assembly, said power bridge having an attached bus assembly and disposed in said enclosure assembly, said dolly assembly having a frame assembly, a lifting device coupled to said frame assembly, a plurality of wheels rotatably attached to said frame assembly, a lift fork, and a work platform, said lifting device structured to move said lift fork vertically; said lift fork coupled to said work platform, said method comprising the steps of:a) removing said power bridge bus assembly;b) coupling said work platform to said power bridge; andc) removing said power bridge from said enclosure assembly. 9. The method of claim 8, wherein said work platform is a power bridge yoke assembly, said power bridge has a pair of yoke brackets coupled thereto, and said enclosure assembly includes a frame assembly, said enclosure frame assembly being formed without a frame member immediately adjacent to the ground, whereby said dolly assembly may be moved into said enclosure assembly, and wherein said steps of coupling said work platform to said power bridge and removing said power bridge from said enclosure assembly include the steps of:a) aligning said power bridge yoke assembly with said yoke brackets;b) moving said dolly assembly into said enclosure assembly thereby inserting said power bridge yoke assembly into said yoke brackets;c) actuating said lifting device to raise said power bridge off said enclosure assembly; andd) moving said dolly assembly out of said enclosure assembly while supporting said power bridge. 10. The method of claim 8, wherein said enclosure assembly has a pair of raised wheel tracks, said power bridge disposed in a roller assembly, said roller assembly structured to support said power bridge and having a plurality of wheels, said roller assembly wheels disposed on said wheel tracks, said work platform being a skid table assembly having a horizontal lifting plate, and wherein said steps of coupling said work platform to said roller assembly and removing said power bridge and roller assembly from said enclosure assembly include the steps of:a) actuating said lifting device to raise said skid table assembly until said skid table assembly is generally parallel with, and adjacent to, said wheel tracks; andb) rolling said roller assembly over said wheel tracks and on to said skid table assembly. 11. The method of claim 10, wherein said enclosure assembly further includes an engagement member, said skid table includes a coupling device, and said step of actuating said lifting device to raise said skid table assembly until said skid table assembly is generally parallel with said wheel tracks includes the further step of engaging said coupling device to couple said dolly assembly to said enclosure assembly. 12. The method of claim 11, wherein said coupling device is a V-flange and said step of engaging said coupling device to couple said dolly assembly to said enclosure assembly includes the step of:a) positioning said V-flange under said engagement member;b) engaging said engagement member with said V-flange; andc) further lifting said skid table assembly whereby said V-flange causes said dolly assembly to securely mate with said enclosure assembly. 13. A method of installing a power bridge in an enclosure assembly, said power bridge having a detached bus assembly, said enclosure assembly h aving a frame assembly structured to support said power bridge, said dolly assembly having a frame assembly, a lifting device coupled to said frame assembly, a plurality of wheels rotatably attached to said frame assembly, a lift fork, and a work platform, said lifting device structured to move said lift fork vertically; said lift fork coupled to said work platform, said method comprising the steps of:a) coupling said power bridge to said work platform;b) moving said dolly assembly adjacent to said enclosure assembly;c) actuating said lifting device to lift said power bridge;d) transferring said power bridge to said enclosure assembly; ande) coupling said bus assembly to said power bridge. 14. The method of claim 13, wherein said work platform is a power bridge yoke assembly, said power bridge has a pair of yoke brackets coupled thereto, and said enclosure assembly frame assembly is formed without a frame member immediately adjacent to the ground, whereby said dolly assembly may be moved into said enclosure assembly, and wherein said steps of coupling said work platform to said power bridge and transforming said power bridge to said enclosure assembly include the steps of:a) aligning said power bridge yoke assembly with said yoke brackets;b) inserting said power bridge yoke assembly into said yoke brackets;c) actuating said lifting device to raise said power bridge;d) moving said dolly assembly into said enclosure assembly while supporting said power bridge;e) actuating said lifting device to lower said power bridge on to said enclosure assembly; andf) moving said dolly assembly out of said enclosure assembly. 15. The method of claim 13, wherein said enclosure assembly has a pair of raised wheel tracks, said power bridge disposed in a roller assembly, said roller assembly structured to support said power bridge and having a plurality of wheels, said roller assembly wheels disposed on said wheel tracks, said work platform being a skid table assembly having a horizontal lifting plate, and wherein said steps of coupling said work platform to said power bridge and transferring said power bridge to said enclosure assembly include the steps of:a) placing said roller assembly on said skid table assembly;b) actuating said lifting device to lift said skid table assembly until said skid table assembly is adjacent to said wheel tracks; andc) rolling said roller assembly onto said wheel tracks, thereby moving said power bridge into said enclosure assembly. 16. The method of claim 15, wherein said enclosure assembly further includes an engagement member, said skid table assembly includes a coupling device, and said step of actuating said lifting device to raise said skid table assembly until said skid table assembly is generally parallel with said wheel tracks includes the further step of engaging said coupling device to couple said dolly assembly to said enclosure assembly. 17. The method of claim 16, wherein said coupling device is a V-flange and said step of engaging said coupling device to couple said dolly assembly to said enclosure assembly includes the steps of:a) positioning said V-flange under said engagement member;b) engaging said engagement member with said V-flange; andc) further lifting said skid table assembly whereby said V-flange causes said dolly.