Platform device and method capable of compensating non-coaxiality of rotary encoder

Abstract

The present invention provides a platform device and method capable of compensating non-coaxiality of a rotary encoder. The platform device comprises a supporting frame, a horizontal arm, a vertical arm, a floating table and an encoder, a vertical sliding sleeve of the horizontal arm is in sliding fit with a supporting rod of the supporting frame, horizontal sliding sleeves at the two ends of the vertical arm are in sliding fit with the horizontal arm, and the floating table is in sliding fit with the vertical arm. The encoder is connected with the floating table, the floating table synchronously acts along with the encoder when the encoder slightly moves, and the encoder is connected with a transmission shaft of bridge portal crane driving equipment through a rotating shaft of the encoder. The device overcomes the problem that the opening degree of the bridge door cannot be accurately fed back to main control equipment to influence the normal operation of the equipment when the original bridge door machine and the encoder are slightly non-coaxial, and has the advantages of simple structure, compensation of the tiny non-coaxial condition of the rotating shaft of the encoder and the transmission shaft of the driving equipment, synchronous operation of the encoder and the monitored equipment, high reliability and the like. Stable and accurate code value output of the encoder is ensured, safe operation of equipment is ensured, and operation is simple and convenient.

Description

technical field [0001] The invention belongs to the technical field of opening and closing of bridge gates of hydropower stations, and relates to a platform device and method capable of compensating for different axes of rotary encoders. Background technique [0002] For hydropower station bridge gate machine equipment and fixed coil hoist equipment, in order to ensure the precise opening and closing of the equipment, rotary encoders are generally installed to control the opening of the field operation, which requires that the encoder rotary shaft must be in line with the monitored The transmission shaft of the equipment is in the coaxial position, and the encoder and the monitored equipment are connected by a rigid coupling to ensure that the encoder will not shake due to different axes, so that the output signal is correct. However, in the actual operation process on site, due to the vibration of the equipment, it is difficult to ensure the coaxiality of the two transmissi...

AI Technical Summary

Problems solved by technology

However, in the actual operation process on site, due to the vibration of the equipment, it is difficult to ensure the coaxiality of the two transmission shafts, which makes the rigid coupling prone to bending and breaking, thus affecting the safe operation of the main equipment

In order to prevent the operation of the equipment from being affected by the failure of the coupling, and to overcome the distortion of the output data of the encoder due to vibration during operation, an elastic coupling is generally used to achieve the shock absorption effect, but the rigidity of the elastic coupling is not good. , the output data will be stuck and lagged during the operation process, and the actual opening on site cannot be accurately fed back to the main equipment at all times, and the connection part of the elastic coupling is prone to momentary peak torsional force, which will damage the coupling and cause coding The device cannot operate normally, thus affecting the normal operation of the equipment

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