Winch type pipe sheet hanging machine suitable for large shield tunneling machine

Abstract

A winch type pipe sheet hanging machine suitable for a large shield tunneling machine comprises a pipe sheet hoisting device arranged between two parallel running tracks, and a power trolley used for driving the pipe sheet hoisting device to move along the running tracks. The pipe sheet hoisting device comprises two carrying beams located below the running tracks, four first driven trolleys arranged between the two carrying beams and the two running tracks, and two winch mechanisms arranged between the two carrying beams. The two winch mechanisms are rotationally and symmetrically arranged in a 180-degree manner. The two winch mechanisms are hung on the running tracks through the four first driven trolleys, the clearance size of the trolleys is greatly reduced, the two winch mechanisms can achieve the independent ascending action and the simultaneous ascending action, ascending and descending are stable, the impact is small, the running speed is high, the structure protection level is high, the winch type pipe sheet hanging machine can well adapt to the severe tunnel construction environment, the daily 10-ring tunnel construction progress requirement is met, and accordingly the production efficiency is greatly improved.

Description

Technical field [0001] The invention relates to a hoisting type segment crane suitable for a large shield machine. Background technique [0002] With the rapid development of the national economy, the process of urbanization in our country is accelerating, and people's demand for public transportation continues to increase. The domestic demand for urban subway tunnels, railway tunnels, highway tunnels and other tunnels is constantly increasing. Shield construction of underground tunnels using precast concrete segments to support the method is widely used because of its low impact on the ground and underground environment, high speed of excavation, and low surface settlement. [0003] Nowadays, with the gradual popularization and application of large-diameter shield machines, the requirements of high strength, high precision, high quality, high impermeability and high appearance quality are put forward for the tube segments. Therefore, the use of vacuum is also proposed for the lift...

AI Technical Summary

Problems solved by technology

[0004] Moreover, because the current standard segment crane uses chain hoists as hoisting mechanism 23, it is limited by the structural characteristics of the chain hoist itself, which makes the C dimension of the hook larger, that is, the upper limit dimension of the wheel tread and the hook is larger, and its The lifting height cannot be increased; in addition, limited to the working level of the chain hoist, it is not suitable for fast lifting of large-diameter segments (segment weight > 7.5t), so traditional standard segment cranes cannot meet construction needs

Moreover, the use of mechanical or hydraulic grabbing segments is limited by the size of the space, and its lifting capacity can no longer meet the segment hoisting work of large-diameter shield machines, and its high failure rate cannot meet the requirements of rapid construction progress.

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