Patent ID: 8453855

Claim:
A turning device for a hoist, comprising: a hoist frame which includes a pair of installation brackets having a first wire drum wound with a first wire rope, and a second wire drum wound with a second wire rope, a pair of support brackets disposed between the first and second wire drums and supported by the two installation brackets, and first and second auxiliary brackets fixed in the support brackets, respectively; a first drum driving unit which includes a first winding motor installed at one side of the installation bracket, a first decelerator connected with the first winding motor and the first wire drum, respectively, and a first brake connected with the first decelerator; a second drum driving unit which includes a second winding motor installed at the other side of the installation bracket, a second decelerator connected with the second winding motor and the second wire drum, respectively, and a second brake connected with the second decelerator; a first horizontal driving unit which includes a first horizontal wheel installed at one of a pair of the installation brackets, and a first horizontal motor which is connected with the first horizontal wheel for thereby rotating the same; a second horizontal driving unit which includes a second horizontal wheel installed at one of a pair of the installation brackets, and a second horizontal motor connected with the second horizontal wheel for rotating the same; a first wire rope guide means which is disposed between the pair of the support brackets and is rotatably installed at one side of each of the first and second auxiliary brackets with the first wire rope passes through the first wire rope guide means; a second wire rope guide means which is disposed between the pair of the support brackets and is rotatably installed at the other side of each of the first and second auxiliary brackets, with the second wire rope passing through the second wire rope guide means; a first hook unit which is positioned at a lower side of the first wire rope guide means, with the first wire rope passing through the first hook unit; a second hook unit which is positioned at a lower side of the second wire rope guide means, with the second wire rope passing through the second hook unit; and turnover jiggers of which an upper end of each jigger is connected with the first and second hook units, respectively, wherein first and second spacer bars of the turnover jigger are provided with a plurality of space adjusting holes, wherein said first and second spacer bars of the turnover jigger comprise: first unit bars having a plurality of space adjusting holes; second unit bars which have ends slide-inserted into the first unit bars, and space adjusting holes formed at the portions in which the first unit bars are inserted, and being opposite to the space adjusting holes; and an engaging pin which is engaged to the space adjusting holes of the first unit bars and the second unit bars, respectively, for thereby fixing the first unit bars and the second unit bars.