Adjustable auto-transformer capable of automatically locking carbon brush arm length
An autotransformer, automatic locking technology, applied in the direction of variable transformers, transformers, variable inductors, etc., can solve the problems of burning equipment, ineffective use, winding wear and other problems
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[0050] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0051] An adjustable autotransformer that automatically locks the length of the carbon brush arm, including a casing 1, an annular iron core 2 arranged at the bottom of the casing 1, a winding 3 wound on the annular iron core 2, and a carbon brush arm 4;
[0052] The shell 1 is a hollow cylindrical shell, the center of the lower end surface of the shell 1 is provided with a lower through hole 11, the upper edge of the lower through hole 11 is provided with an internally threaded cylinder 12, and the side wall of the internally threaded cylinder 12 is arranged longitudinally. There is an outer wiring hole 13, the upper end of the housing 1 is open and is detachably connected with an annular upper cover 14, the inner end surface of the side wall of the housing 1 is provided with a pawl 15, and the inner end surface of the side wall of the housing 1 is located o...
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