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A platform for research: civil engineering, architecture and urbanism
Internal-control type self-locking ladder head
The invention discloses an internal-control type self-locking ladder head, comprising a left vertical rod (8) and a right vertical rod (9). The left vertical rod (8) and the right vertical rod (9) are provided with pulleys (1), buckles, tackle hanging holes (3), and bottom end hanging holes (10) in pairs from top to bottom. A moving rod (6) and a fixing rod (7) whose two ends respectively connect with the left vertical rod (8) and the right vertical rod (9) are arranged between the tackle hanging holes (3) and the bottom end hanging holes (10). A rope hook is connected on the moving rod (6). The tackle hanging hole (3) is provided with a self-locking lock plate (2). The tail end of the self-locking lock plate (2) is hinged with a transmission rod (4). The tail end of the transmission rod (4) is connected with the moving rod (6). The moving rod (6) and the fixing rod (7) are connected through a spring (11). The internal-control type self-locking ladder head solves problems that a ladder head cannot automatically realize on-off of insurance when a worker climbs up and down the ladder head in hot-line work, and reduces work risks, optimizes work process, and protects safety of work personnel in whole process.
Internal-control type self-locking ladder head
The invention discloses an internal-control type self-locking ladder head, comprising a left vertical rod (8) and a right vertical rod (9). The left vertical rod (8) and the right vertical rod (9) are provided with pulleys (1), buckles, tackle hanging holes (3), and bottom end hanging holes (10) in pairs from top to bottom. A moving rod (6) and a fixing rod (7) whose two ends respectively connect with the left vertical rod (8) and the right vertical rod (9) are arranged between the tackle hanging holes (3) and the bottom end hanging holes (10). A rope hook is connected on the moving rod (6). The tackle hanging hole (3) is provided with a self-locking lock plate (2). The tail end of the self-locking lock plate (2) is hinged with a transmission rod (4). The tail end of the transmission rod (4) is connected with the moving rod (6). The moving rod (6) and the fixing rod (7) are connected through a spring (11). The internal-control type self-locking ladder head solves problems that a ladder head cannot automatically realize on-off of insurance when a worker climbs up and down the ladder head in hot-line work, and reduces work risks, optimizes work process, and protects safety of work personnel in whole process.
Internal-control type self-locking ladder head
HUANG YUXI (author) / YANG LEI (author) / WANG SHICHUN (author) / YANG LONG (author)
2015-12-23
Patent
Electronic Resource
English
Self-locking positioning structure for herringbone ladder
| European Patent Office | 2022