Tunnel seismic wave detection holding force intelligent controllable shock excitation device

Abstract

The invention relates to a tunnel seismic wave detection holding force intelligent controllable shock excitation device, which comprises a giant magnetostrictive telescopic energy transducer and an automatic shifting sliding table, wherein the giant magnetostrictive telescopic energy transducer is movably arranged on the automatic shifting sliding table; automatic shifting devices are arranged on guide rails of the giant magnetostrictive telescopic energy transducer and the automatic shifting sliding table respectively; the automatic shifting sliding table is further connected with a fixed buffering device, so that the entire automatic shifting sliding table is tightly pressed against a tunnel face; the giant magnetostrictive telescopic energy transducer is connected with a driving power supply; and the driving power supply, the automatic shifting devices and the fixed buffering device are controlled by using a main control device. The shape of a variable-amplitude rod is optimized, so that the energy density of seismic waves is increased, convenience is brought to movement and fixation, vibration of the non-working end of the energy transducer is buffered, shock excitation becomes more stable, and intelligent control over measurement is realized.

Description

technical field [0001] The invention relates to an artificial seismic source device used in geological advance prediction by seismic reflection method in tunnel construction, in particular to an artificial seismic source device that can move on the face of tunnel construction and generate seismic waves of controllable frequency based on supermagnetic Self-sustaining intelligent controllable shock device for tunnel seismic wave detection of stretchable materials. Background technique [0002] In tunnel construction, my country is already the country with the largest scale and difficulty in tunnel construction in the world. Due to the high mountain and the long length of the tunnel, it is difficult to fully investigate the adverse geological conditions along the tunnel in the early stage of tunnel construction. As a result, major geological disasters such as water inrush, mud inrush, and landslides often occur during tunnel construction, causing major loss of life and property...

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Problems solved by technology

The main problems to be solved in the development of the new shock device are as follows: ① It is necessary to design a shock device with higher "electromagnetic-power" conversion efficiency, and optimize the design of the actuation structure, amplitude structure, and excitation device in the shock device , so as to reduce magnetic flux leakage, increase the uniformity of the magnetic field, and increase the energy density of seismic waves; A reliable and stable reaction force structure; ③In the actual detection, there are as many as dozens of shock points, and the method of manually moving and changing points is low in efficiency. It is necessary to design an automatic point changing and automatic shocking device

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