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Two-dimensional centroid measuring device and measuring method thereof

A measuring device and a two-dimensional center of mass technology, which is applied in the direction of measuring devices, machine/structural component testing, static/dynamic balance testing, etc., can solve the problems of difficulty in measuring the center of mass, low measurement accuracy, etc., and achieve safe use and low cost Effect

Pending Publication Date: 2022-04-12
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the problem that the center of mass of the existing measured object is difficult to measure or the measurement accuracy is not high, the present invention further proposes a new type of center of mass measurement device and its measurement method based on a static measurement method

Method used

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  • Two-dimensional centroid measuring device and measuring method thereof
  • Two-dimensional centroid measuring device and measuring method thereof
  • Two-dimensional centroid measuring device and measuring method thereof

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specific Embodiment approach 1

[0036] Specific implementation mode one: combine Figure 1 to Figure 4 Describe this embodiment, a two-dimensional centroid measuring device described in this embodiment includes three floating fulcrums 1 and three sensors 2, a weighing pan 4, a bottom plate 5, and a fixture 6. The bottom plate 5 is arranged horizontally, and the upper part of the bottom plate 5 is along the same circle. Three sensors 2 are evenly distributed in the circumferential direction of the sensor 2, and a floating fulcrum 1 is arranged above the sensor 2. A weighing pan 4 is mounted on the upper ends of the three floating fulcrums 1, and a clamp 6 is arranged on the weighing pan 4.

[0037] The invention proposes a weighing device with a floating fulcrum, a sensor, and a weighing pan as main parts, which can not only weigh the weight of an item, but also measure the two-dimensional centroid distance of the item relative to a reference position. It has the characteristics of compact structure, high pre...

specific Embodiment approach 2

[0047] Specific implementation mode two: combination Figure 1 to Figure 4This embodiment will be described. In this embodiment, an overload protection 3 is provided between the sensor 2 and the upper end surface of the bottom plate 5 . The undisclosed technical features in this embodiment are the same as those in the first embodiment.

specific Embodiment approach 3

[0048] Specific implementation mode three: combination Figure 1 to Figure 4 To describe this embodiment, the floating fulcrum 1 , the sensor 2 and the overload protection 3 at the same end of the bottom plate 5 in this embodiment are arranged coaxially. The undisclosed technical features in this embodiment are the same as those in the second embodiment.

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Abstract

The invention discloses a two-dimensional mass center measuring device and a measuring method thereof, and relates to the technical field of instrument measurement. The problem that the mass center of an existing measured object is difficult to measure or low in measurement precision is solved. The device comprises a scale pan, a bottom plate, a clamp, three floating fulcrums and three sensors, the bottom plate is horizontally arranged, the three sensors are uniformly distributed at the upper part of the bottom plate along the circumferential direction of the same circle, the floating fulcrums are arranged above the sensors, the scale pan is erected at the upper ends of the three floating fulcrums, and the clamp is arranged on the scale pan. The device is used for measuring the projection position of the workpiece mass center on the horizontal plane.

Description

technical field [0001] The invention relates to the technical field of instrument measurement, in particular to a two-dimensional centroid measurement device and a measurement method thereof. Background technique [0002] With the development of science and technology, more accurate and simpler methods are needed to obtain the mass and center of mass of blades, loads, projectiles and other components in the fields of aviation, aerospace, military industry, and power. At present, the common measurement methods include suspension method, static method and dynamic method, which have the disadvantages of poor precision, low efficiency and high cost. Therefore, it is necessary to develop an accurate and fast new type of center-of-mass measurement equipment to provide new technology and new equipment for mechanical measurement. Contents of the invention [0003] In order to solve the problem that the centroid of the existing measured object is difficult to measure or the measur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M1/12
Inventor 朱映远
Owner HARBIN INST OF TECH
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