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实用新型
CN201387308Y 超大直径精密检测仪 失效 - 放弃 质押

超大直径精密检测仪
摘要：
本实用新型涉及一种超大直径精密检测仪，底板(10)上设置固定座(2)、测量仪表(1)、滑块(4)，滑块上设有端点定位销(16)，底板另一端设置两个固定定位销(12)，它们与端点定位销(16)构成测量工件(11)直径的三个基准点，通过滑块(4)传递到仪表探杆(3)的顶点。另外，在底板上设置杠杆(8)，杠杆一端设有凸轮(5)，它与滑块(4)接触配合。测量时，两个固定定位销(12)与端点定位销(16)卡在待测工件上，滑块与探杆接触，通过测量仪表中显示的波动范围来判断产品是否合格。本实用新型的优点在于：可以适应于超大直径大批量的零部件的快速准确测量，并且操作简单、精度高、尺寸适应范围大。
摘要（英）：

The utility model relates to a super-large diameter precise detecting instrument, wherein a fixed seat (2), a measuring instrument (1) and a slide block (4) are arranged on a bottom board (10), the slide block is provided with a terminal locating pin (16), the other end of the bottom board is provided with two fixed locating pins (12), the two fixed locating pins and the terminal locating pin (16) form three benchmarks of the diameter of a measuring workpiece (11), and the three benchmarks are transferred to the acme of an instrument feeler lever (3) through the slide block (4). Furthermore, a lever (8) is arranged on the bottom board, and one end of the lever is provided with a cam (5) which is matched with the slide block (4) in contacting mode. The two fixed locating pins (12) and the terminal locating pin (16) are clamped on a to-be-measured workpiece during measuring, the slide block is contacted with the feeler lever, and whether a product is eligible is judged through the displayed fluctuation range. The super-large diameter precise detecting instrument is suitable for fast and accurately measuring mass spare parts with super-large diameters, and has simple operation, high precision and big size applicability.

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