Special gantry crane for underground unearthing
The invention relates to a special gantry crane for underground unearthing. The special gantry crane for underground unearthing comprises landing legs. A girder is arranged on the upper sides of the landing legs. A lifting trolley is arranged on the upper side of the girder. Coiling blocks are arran...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention relates to a special gantry crane for underground unearthing. The special gantry crane for underground unearthing comprises landing legs. A girder is arranged on the upper sides of the landing legs. A lifting trolley is arranged on the upper side of the girder. Coiling blocks are arranged on the upper side of the lifting trolley. Steel wire ropes are arranged on the lower sides of the coiling blocks. Pulley blocks are arranged on the lower sides of the steel wire ropes. A balance beam is arranged on the lower sides of the pulley blocks. Connecting rods are arranged at the two ends of the balance beam. A hopper is arranged on the lower sides of the connecting rods. Embedding grooves are formed in the lower side of the hopper. A hook is further arranged on the upper side of the lifting trolley. The special gantry crane has the advantages of being reasonable in structure, convenient to use, high in work efficiency and high in safety.
本发明涉及种地铁出土专用龙门式起重机，它包括支腿，所述的支腿的上侧设置有主梁，所述的主梁的上侧设置有起升小车，所述的起升小车的上侧 |
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