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3results about How to "Convenient instructions" patented technology

Railway line length measuring device

The utility model discloses a railway line mileage measuring device, include: first upper and lower strand mid -distance positioning unit, including the straight ruler of measuring upper and lower strand spacing and showing spacing midpoint, and the straight ruler positioning unit of straight ruler one end leaning against the working edge of steel rail and the abutting face with straight ruler vertical, second upper and lower strand mid -distance positioning unit, including the straight ruler of measuring upper and lower strand spacing and showing spacing midpoint, and the straight ruler positioning unit of straight ruler one end leaning against the working edge of steel rail and the abutting face with straight ruler vertical, measuring point marking unit is used for marking the measurement position of second upper and lower strand mid -distance positioning unit on railway line, ranging unit is used for measuring the distance between first spacing midpoint position and second spacing midpoint position. Utilize the device of the utility model to measure railway curve line mileage, has reduced the work load and has improved the work efficiency, and the railway line mileage measuring device of the utility model is especially suitable in mountainous area is not suitable with the use under the environment of GPS measurement.
Owner:中国铁路北京局集团有限公司承德工务段

A pre-dispensing device with multi-laser positioning

ActiveCN224435409Uconvenient instructionsprecise positioning
This utility model relates to the field of semiconductor equipment assembly technology, and more particularly to a pre-assembly device for multi-laser positioning. It includes a pre-assembly platform, on which a laser level for monitoring the origin is fixedly mounted. An X-axis guide rail and a Y-axis guide rail are also fixedly mounted on the pre-assembly platform. Uniformly distributed X-axis sliders are slidably mounted on the X-axis guide rail, and uniformly distributed Y-axis sliders are slidably mounted on the Y-axis guide rail. This utility model allows for convenient and rapid positioning of the X and Y coordinates of multiple pipe fittings using the X and Y axis guide rails, which is much faster than aligning each one individually with a laser level. The X and Y axis guide rails contain scales, and the X and Y axis sliders contain coordinate pointers, which conveniently indicate the current coordinates of the sliders. By creating reticles on the base plates of positioning height scale one and positioning height scale two, the X and Y axis laser beams can be easily aligned with the reticles to determine the coordinates. This device offers good versatility for pre-assembling pipes for different semiconductor devices.
Owner:HEFEI JIUFU SEMICON TECH CO LTD