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    • 2. 发明申请
    • DEVICE FOR DETERMINING AND MONITORING CHANGES IN THE POSITION OF SHAFTS
    • 用于确定和监测交货位置变化的设备
    • WO1987001439A1
    • 1987-03-12
    • PCT/EP1986000446
    • 1986-07-29
    • PRÜFTECHNIK DIETER BUSCH + PARTNER GMBH & CO.LYSEN, HeinrichBUSCH, DieterWAGNER, Karl
    • PRÜFTECHNIK DIETER BUSCH + PARTNER GMBH & CO.
    • G01B11/27
    • G01B11/272
    • In a device for determining and monitoring changes and the position of rotating shafts, a light ray generated by a ray emitter and extending outside the shafts and the parallel to the latter, is projected onto a rectangular prism at measurement positions which are offset by approximately 90 in the peripheral direction of the shafts. The prism reflects the ray to a ray receiver, which supplies signals that change when there is a change in the shaft position. In known devices for constantly monitoring the alignment of successive shafts the ray emitter and receiver are situated on one shaft and the prism on the other shaft. It is necessary to have costly transmission means which may be exposed to failures between the rotating and fixed parts of the apparatus for emitting signals through the ray receiver and for supplying it with energy. The invention is, however, characterized by the fact that the light rays (S, S') are emitted or received when the ray (S) passes through the prism by two separate pairs of emitter/receiver (ER pairs) each formed of a ray emitter (21, 22) and a ray receiver (91, 92) the position of which in a reference system (X, Y, M) is fixed. Costly transmission means which are exposed to breakdowns for the emitter signals and for supplying the ER pairs are thus superfluous. This device is also suitable for individual monitoring of the position of a rotating shaft and for constant monitoring of the alignment of successive shafts.
    • 在用于确定和监视转动轴的位置的设备中,由射线发射器产生的并且延伸到轴外部并且平行于其的轴的光线被投射到被偏移大约90°的测量位置处的矩形棱镜上 在轴的周向方向。 棱镜将光线反射到射线接收器,其提供当轴位置发生变化时改变的信号。 在用于不断监测连续轴的对准的已知装置中,射线发射器和接收器位于一个轴上,而棱镜位于另一个轴上。 必须具有昂贵的传输装置,其可能暴露于用于通过射线接收器发射信号并且为其供应能量的装置的旋转部件和固定部件之间的故障。 然而,本发明的特征在于,当光线(S)通过两个分开的发射器/接收器对(ER对)通过棱镜时,发射或接收光线(S,S'),每个发射器/接收器 射线发射器(21,22)和其参考系(X,Y,M)中的位置被固定的射线接收器(91,92)。 因此,暴露于发射极信号的故障和供给ER对的成本高的传输装置是多余的。 该装置也适用于单独监视旋转轴的位置,并适用于持续监控连续轴的对准。