Large-span convenient assembly type high-strength crawling ladder
The large-span convenient assembly type high-strength crawling ladder comprises a connecting assembly arranged between two crawling ladders, first arc-shaped grooves are formed in the front portion and the rear portion of the right side of each crawling ladder, second arc-shaped grooves are formed i...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The large-span convenient assembly type high-strength crawling ladder comprises a connecting assembly arranged between two crawling ladders, first arc-shaped grooves are formed in the front portion and the rear portion of the right side of each crawling ladder, second arc-shaped grooves are formed in the front portion and the rear portion of the left side of each crawling ladder, and a connecting rod is arranged between each first arc-shaped groove and the corresponding second arc-shaped groove which are adjacent. The right side of the surface of the connecting rod is inserted into an inner cavity of the second arc-shaped groove. Through the arrangement of the connecting rod, the two crawling ladders can be assembled, through the arrangement of the welding holes, the surface of the connecting rod can be in welded connection with the surface of one crawling ladder, and through the matched use of the through holes, the bolts, the through grooves and the nuts, the other end of the connecting rod is fixedly conne |
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