Novel balance self-regulation system of geotechnical centrifuge

Abstract

The invention discloses a novel balance self-regulation system of a geotechnical centrifuge. The novel balance self-regulation system comprises a water box, a load cell, a control valve and a controller, wherein the water box is placed inside a hanging basket at the weight end of the centrifuge, the load cell is arranged on a rotary arm support, the control valve and the controller are arranged inside a small instrument cabin of a centrifugal field, the signal output end of the load cell is connected with the signal input end of the controller, and the signal output end of the controller is connected with the signal input end of the control valve. After loads at the work end of the centrifuge are increased, the load cell detects unbalanced force, an electromagnetic switch valve in the control valve is switched on, the water box starts to be filled with water, and the electromagnetic switch valve is switched off and water filling is stopped until the unbalanced force gets close to zero. When the centrifugal field and the loads change freely, the novel balance self-regulation system can achieve balance self-regulation of the centrifuge. Compared with an existing regulating mechanism with a balancing weight driven by a hydraulic cylinder or a motor, the novel balance self-regulation system is simpler in structure and wider in unbalanced regulating range.

Description

technical field [0001] The invention relates to a balance adjustment system of a geotechnical centrifuge, in particular to a novel balance self-adjustment system of a geotechnical centrifuge which can realize real-time trimming of the geotechnical centrifuge after operation and reduce unbalanced force during the operation of the centrifuge. Background technique [0002] Geotechnical centrifuge is an important equipment for soil mechanics research and rock-soil centrifugal model test. As an important part of the centrifuge, the balance adjustment system, whether it can work effectively will directly affect the stability, safety and service life of the centrifuge. [0003] The geotechnical centrifuge itself has a certain unbalanced force tolerance range, and the early centrifuges did not design a balance adjustment mechanism. Before the centrifuge is running, the experimenter uses counterweights to roughly balance the two ends of the centrifuge according to the torque balance ...

AI Technical Summary

Problems solved by technology

This mechanism is installed on the arm of the centrifuge, which not only increases the complexity of the structure, but also limits the balance adjustment range of the centrifuge due to the limited mass and moving distance of the counterweight.

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