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Integrated device for in-situ static and dynamic force calibration

A static and dynamic, in-situ technology, applied in the direction of measuring devices, force/torque/power measuring instrument calibration/testing, instruments, etc., it can solve the problem that the direction and force point are difficult to keep consistent, the effective frequency band is narrow, and the force value of the excitation is small and other problems, to achieve the effect of compact structure, short falling edge time, and adjustable force value

Active Publication Date: 2017-03-29
NANJING UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide an integrated device for in-situ static and dynamic force calibration, which solves the problems of small excitation force value, narrow effective frequency band, and difficulty in keeping consistent direction and force point in the in-situ calibration of the system

Method used

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  • Integrated device for in-situ static and dynamic force calibration
  • Integrated device for in-situ static and dynamic force calibration
  • Integrated device for in-situ static and dynamic force calibration

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Embodiment 1

[0038] combine Figure 1~Figure 4 , the integrated device for in-situ static and dynamic calibration includes a loading mechanism, a direction control mechanism, a force source control mechanism and a centering clamping mechanism. One end of the direction control mechanism is fixedly connected with the loading mechanism, the other end is threadedly connected with one end of the force source control mechanism, and the centering clamping mechanism is connected with the other end of the force source control mechanism. The other end of the centering clamping mechanism is fixedly connected with the interface part of the system to be marked.

[0039] combine figure 1 and figure 2 , the loading mechanism 1 includes a lead screw 11 , a flange nut 12 , a mounting plate 13 , an anti-backlash nut 14 and an anti-backlash screw 15 . The center of the mounting plate 13 is provided with a first through hole through which the lead screw 11 passes and is connected with the direction contro...

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Abstract

The present invention discloses an integrated device for in-situ static and dynamic force calibration. The integrated device comprises a loading mechanism, a direction control mechanism, a force source control mechanism and an alignment and clamping mechanism; one end of the direction control mechanism is connected with the loading mechanism, and the other end of the direction control mechanism is fixed to one end of the force source control mechanism; and the alignment and clamping mechanism is connected with the other end of the force source control mechanism. With the integrated device adopted, the actual working condition of a system can be simulated in situ, and static force calibration or dynamic force calibration can be performed on the system under a condition that the working sensor of the system is not disassembled. According to the integrated device, the directivity of the excitation force of the integrated device is excellent, and the positions of the acting points of the excitation force of the integrated device are consistent; excitation of different force values can be applied, the magnitude of the excitation can be adjusted, and an exciting frequency range is wide; and a pressed component can be automatically aligned and clamped, and accurate alignment and limiting can be realized through using a vernier. The integrated device can be flexibly installed and used in a horizontal or vertical direction. The integrated device is compact in structure and is easy to operate.

Description

technical field [0001] The invention relates to the field of force value measuring equipment, in particular to an integrated device for in-situ static and dynamic force calibration. Background technique [0002] The calibration of the system is divided into static calibration and dynamic calibration. Domestic calibration research on test systems such as recoil and thrust is mostly limited to static calibration. The recoil force is actually a kind of dynamic force. For the dynamic force measurement system, if the "static calibration" method is adopted, the test system itself may have poor dynamic characteristics or there may be gaps between components, even if the static calibration accuracy is high, but There may also be large errors in the dynamic test, so that the entire test device loses its predetermined function under dynamic conditions, and it is very easy to cause human misjudgment. [0003] With the in-depth study of system calibration methods and the progress of m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L25/00
Inventor 狄长安王波王哲军孟郁周旭车大建
Owner NANJING UNIV OF SCI & TECH
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