Holding pole pulling rope structure
The invention relates to a derrick traction rope structure, a derrick comprises a vertically-arranged rod body and two rocker arms arranged on the two sides of the rod body, a lifting hook is arranged at the tail end of each rocker arm, and the traction rope structure comprises two first steel wire...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a derrick traction rope structure, a derrick comprises a vertically-arranged rod body and two rocker arms arranged on the two sides of the rod body, a lifting hook is arranged at the tail end of each rocker arm, and the traction rope structure comprises two first steel wire ropes used for pulling the rocker arms to fluctuate and two second steel wire ropes used for pulling the lifting hooks to ascend and descend. The rod body comprises a first jacking section, a leading-out section and a second jacking section which are sequentially arranged from top to bottom, the axial section of the leading-out section is in an inverted T shape, the leading-out section is larger than the second jacking section, and the leading-out section comprises a plurality of leading-out wheel sets in one-to-one correspondence with the steel wire ropes. Compared with the prior art, the part, corresponding to the rod body, of the steel wire rope is separately designed, the part located at the upper end of the ro |
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