A capacitance-type measuring instrument and a method for detecting the thickness of a sliding plate using the measuring instrument
A measuring instrument and capacitive grid technology, applied in the field of capacitive grid measuring instruments, can solve problems such as inconvenience of operation of capacitive grid measuring instruments, and achieve the effects of simple operation and simple structure of the measuring device
Active Publication Date: 2018-03-13
ZHENGZHOU THINK FREELY HI TECH
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Problems solved by technology
[0006] The object of the present invention is to provide a capacitance-grid measuring instrument to solve the problem of inconvenient operation of the existing capacitance-grid measuring instrument
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[0028] Examples of capacitive measuring instruments
[0029] Such as figure 1 The shown capacitive grid measuring instrument includes a frame 1, a probe, and a movable grid frame equipped with a linear capacitive grid sensor, and the movable grid frame is assembled on the frame along an up-and-down guide. The movable grid frame includes a movable grid housing 2 and a measuring rod 3 whose axis extends in the up and down direction, and the measuring rod and the frame are guided up and down. Along the direction shown in the figure, the rear end of the moving grid is a handle 4. The handle is hinged with a shifting hand 5 whose hinge axis is perpendicular to the up and down direction. One end of the shifting hand is matched with the top push of the moving grid frame, and the other end of the shifting hand is moved by the operator, so as to pry the shifting hand to push the grid frame from bottom to top. A return spring 6 is arranged between the movable grid and the frame, and the ...
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The invention relates to a capacitive grid measuring instrument and a method for detecting the thickness of a slide plate using the measuring instrument, comprising a frame and a moving grid frame equipped with a linear type capacitive grid sensor, and the moving grid frame is assembled on the frame along the upper and lower guides; A toggle handle whose hinge axis is perpendicular to the up-down direction is hinged on the frame, and one end of the toggle handle pushes and cooperates with the movable grid frame to push the movable grid frame to move from bottom to top. The present invention adopts a pusher, one end of the pusher is pushed and matched with the moving grid frame, and the other end is used to give a certain force to pry the pusher, so that the pusher can move the grid frame from bottom to top and drive the moving grid of the capacitance sensor to move. Realize measurement. When operating in this way, you only need to move the dial with your hands, and the operation is very simple. Moreover, the operation part only involves a toggle handle similar to a lever, and the structure of the measuring device is also very simple.
Description
Technical field [0001] The invention relates to a capacitance grid type measuring instrument, which is used for measuring the thickness of the pantograph sliding plate and the discharge gap of an electric locomotive, and also relates to a sliding plate thickness detection method using the measuring instrument. Background technique [0002] The pantograph slide plate is an important part of the power source of electric locomotives. It is exposed to natural conditions for a long time and directly contacts the catenary wire. During operation, it will continue to produce mechanical wear and electrical ablation with the catenary wire, which will cause the pantograph The thinning of the slide plate affects the conductivity and poses a certain threat to the safe operation of electric locomotives. Therefore, the locomotive staff should regularly measure the thickness of the pantograph sliding plate. When the thickness of the pantograph sliding plate is lower than a certain value, it need...
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IPC IPC(8): G01B5/06G01B5/14
Inventor 冯献华曲素荣张宪锋寅宝宝王雪斌
Owner ZHENGZHOU THINK FREELY HI TECH