The elevator counter-weight safety tongs comprise a counter weight, a safety gear body and a safety gear body, the guide rails are arranged on two sides of the counterweight; the supporting cross beam is arranged at the bottom of the counterweight; the counter-weight safety tongs are arranged on the two sides of the bottom of the supporting cross beam and clamped on the guide rails, and the asynchronous braking device is connected with the counter-weight safety tongs. The counter-weight safety tongs comprise the first counter-weight safety tongs and the second counter-weight safety tongs. The asynchronous braking device comprises a crank connected with a cross beam of the counterweight safety tongs; the first driven connecting rod is connected with the first counterweight safety tongs; the second driven connecting rod is connected with the second counterweight safety tongs and is shorter than the first driven connecting rod; the driving connecting rod is connected with the tail end of the driven connecting rod; the fixed connecting rod is connected with the tail end of the driving connecting rod; by arranging the driven connecting rods with different lengths, when the driving connecting rod pulls the driven connecting rods, the first driven connecting rod and the second driven connecting rod are pulled in sequence, and the counterweight safety tongs are braked in sequence.
本申请提出了一种电梯对重安全钳,包括:对重;设置在对重两侧的导轨;设置在对重底部的支撑横梁;设置在支撑横梁底部的两侧,并夹持在导轨上的对重安全钳以及连接对重安全钳的异步制动装置;其中,对重安全钳包括:第一对重安全钳和第二对重安全钳;异步制动装置包括:连接对重安全钳横梁的曲柄;连接第一对重安全钳的第一从动连杆;连接第二对重安全钳且长度小于第一从动连杆的第二从动连杆;连接从动连杆末端的主动连杆,连接主动连杆末端的固定连杆以及连接固定连杆的制动钢丝绳。本申请通过设置不同长度的从动连杆,使主动连杆拉动从动连杆时,依次拉动第一从动连杆和第二从动连杆,使对重安全钳依次制动。
Elevator counterweight safety tongs
一种电梯对重安全钳
2025-05-13
Patent
Electronic Resource
Chinese
IPC: | B66B Aufzüge , ELEVATORS |
Wedge block for elevator safety tongs, preparation method and elevator safety tongs
European Patent Office | 2023
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