TBM hobbing cutter dynamic-static loading line cutting machine

Abstract

The invention discloses a TBM hobbing cutter dynamic-static loading line cutting machine. The TBM hobbing cutter dynamic-static loading line cutting machine comprises devices of a vibration exciter, moving transverse beam fixing bolts, vertical direction position adjusting fastening devices II and the like; a moving transverse beam I is fixedly connected to the upper end of a transition connectingsupporting base, and guiding pillars at the lower end of the transition connecting supporting base are connected with guiding holes in the upper end of a hobbing cutter installing base II; the movingtransverse beam II is distributed between the transition connecting suppoting base and the hobbing cutter installing base, and two ends of the moving transverse beam II penetrate through rectangularguiding grooves in vertical pillars II to be fixedly connected with the moving transverse beam fixing bolts; the vibration exciter is fixedly connected to the moving transverse beam II, and a shock vibration exciting component of the vibration exciter can be used for applying vertical direction dynamic loads on the hobbing cutter installing base II; the vertical direction position adjusting fastening devices II comprise threaded rods, bosses I and bosses II; the threaded rods movably penetrate through the moving transverse beam to be fixedly connected with the bosses I and the bosses II on thevertical pillars II; and nuts are adopted to adjust the positions of the moving transverse beam fixing bolts on the threaded rods. Other technical characteristics of the TBM hobbing cutter dynamic-static loading line cutting machine are identical with an existing TBM linear cutting machine. The TBM hobbing cutter dynamic-static loading line cutting machine can perform rock breaking test with a single cutter under a dynamic-static loading condition.

Description

technical field [0001] The invention belongs to the field of underground space engineering, and relates to a dynamic and static loading wire-cutting test bench for a rock-breaking tool, in particular to a standard wire-cutting test bench for the existing TBM (full-section hard rock tunneling machine) hob (disc hob) Based on the obtained TBM hob dynamic and static loading wire cutting test bench. Background technique [0002] In the 21st century, my country has entered an era of great development in engineering construction. TBM (full-face hard rock tunnel boring machine) has many advantages such as high efficiency, environmental protection, high degree of automation, strong geological adaptability, manpower saving, fast construction speed, one-time hole formation, no influence of climate, and control of ground subsidence during excavation. It has been widely used in a large number of key underground space engineering projects such as water conservancy, transportation, energ...

AI Technical Summary

Problems solved by technology

China Railway Tunnel Group Co., Ltd. invented a TBM rock-breaking test device (public number: CN 102359919B). This device can approximate the real working conditions of the cutting tool, but it cannot carry out the rock-breaking test of the hob under dynamic and static loading conditions.

Shenyang Heavy Machinery Group Co., Ltd. invented a multi-knife and multi-angle rock breaking device for rock boring machines (public number: CN102445336A). The deviation of the machining trajectory and other problems, and the hob rolling rock breaking test under dynamic and static loading conditions cannot be carried out

Beijing University of Technology and Guangzhou Xinou Machinery Co., Ltd. jointly invented a TBM hob rotary rock-breaking test platform and its supporting confining pressure device and rotary device (public number: CN 103226068B, CN 103226078B, CN 103226077B), The above-mentioned device can not only carry out the double-knife rotary rolling rock-breaking test, but also simulate the double-knife rolling rock-breaking test under the condition of one-way (or two-way) confining pressure, but it cannot carry out the hob rolling rock-breaking test under the condition of dynamic and static loading. test

[0007] In summary, although the above-mentioned new solution for the TBM hob rolling rock breaking test solves some functional defects of the existing TBM standard wire cutting test bench (for example, it can simulate the multi-knife rotary rock breaking process, and it can be researched under the drive of the servo hydraulic cylinder. Hob dynamic and static coupling new rock breaking method, similar hob wear test can be carried out, etc.), but because the structure is more complicated than the existing TBM standard wire cutting test bench, the test cost is high

At present, under the premise of keeping the main structure and layout of the existing TBM standard wire cutting test bench unchanged, there is no partial transformation and upgrading of a component (such as hob dynamic and static loading device) of the existing TBM standard wire cutting test bench , in order to realize the low-cost technical implementation of the new function of the single-blade rock breaking test under the condition of dynamic and static loading

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