A ring groove diameter measuring tool
A diameter measurement and annular groove technology, applied in the field of annular groove diameter measurement tools, can solve problems such as errors, inability to guarantee the flatness between the inspection tool and the workpiece to be measured, etc., and achieve the effect of ensuring flatness, reducing errors, and reducing measurement errors.
Active Publication Date: 2020-10-30
JIANGSU UNIV OF TECH
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Problems solved by technology
[0003] The present invention solves the problem that the diameter of the annular groove is generally measured by means of a vernier caliper or an improved micrometer and other checking tools. However, when the groove width interval of the annular groove is small, the measuring head of the existing checking tool cannot be snapped into the annular groove. In the groove width interval, or when the depth of the annular groove is deep, the probe of the existing inspection tool cannot be snapped into the annular groove. At the same time, the existing inspection tool cannot guarantee the flatness between the inspection tool and the workpiece to be measured. In this way, there will be a large error between the measured result and the real result, which cannot meet the actual detection needs, and a ring groove diameter measurement tool is provided
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[0025] What needs to be explained here is that the location words left, right, front, back, etc. are based on figure 1 The views shown are defined by reference, and it should be understood that the use of said localizers should not limit the scope of protection claimed in this application.
[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0027] Such as Figure 1 to Figure 11 Shown, a kind of annular groove diameter measuring tool, it comprises disc-shaped loam cake 2, disc-shaped chassis 1, disc-shaped threaded disc 10, adjusting rod 11 and three measuring assemblies 9; Said loam cake The center of the upper surface of 2 is provided with an upper cover central hole 2a along the axial direction, and three upper cover chute 2b are evenly spaced around the upper cover central hole 2a on the upper surface of the upper cover 2, and each upper cover chute 2b One end communicates with the upper cover cen...
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The invention discloses a tool for measuring the diameter of an annular groove, which belongs to the technical field of measuring equipment. It includes a disc-shaped upper cover, a disc-shaped chassis, a disc-shaped threaded disc, an adjustment rod and three measuring components; the center of the upper surface of the upper cover is provided with a central hole in the axial direction. The upper surface of the upper cover is provided with three upper cover slide grooves evenly distributed around the central hole of the upper cover at intervals. The present invention adopts a three-point measurement method, through the cooperation between the plane thread of the slider of the threaded slider and the plane thread on the upper surface of the threaded disk, the three probe rods are moved centrifugally or centripetally, and the distance moved by the three probe rods is They are all the same, which reduces the error during measurement. At the same time, the setting of the probe rod is convenient for measuring the annular groove with a small interval or deep, and can measure the outer diameter and inner diameter of the annular groove. The width of the annular groove can be obtained by calculating the inner diameter and outer diameter.
Description
technical field [0001] The invention belongs to the technical field of measuring equipment, and in particular relates to an annular groove diameter measuring tool. Background technique [0002] For the detection and measurement of workpieces with annular grooves, the diameter of annular grooves is generally measured by vernier calipers or improved micrometers and other inspection tools. However, when the groove width intervals of annular grooves are small, the existing inspection tools cannot If it is stuck in the groove width interval of the annular groove, or when the depth of the annular groove is deep, the probe of the existing inspection tool cannot be snapped into the annular groove, and the existing inspection tool cannot ensure that the inspection tool is compatible with the workpiece to be measured. In this way, there will be a large error between the measured result and the real result, which cannot meet the actual detection needs. Contents of the invention [0...
Claims
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IPC IPC(8): G01B5/08G01B5/12G01B5/02
CPCG01B5/02G01B5/08G01B5/12
Inventor 徐旭松刘梦刘建刘加南
Owner JIANGSU UNIV OF TECH