Falling body type impact calibration device

A technology of calibration device and buffer device, which is applied in the direction of testing/calibration of measuring device, speed/acceleration/shock measurement equipment, speed/acceleration/shock measurement, etc. It can solve the problem that the vibration calibration device cannot meet the range requirements, and achieve volume Small size, wide calibration range and high precision

Pending Publication Date: 2020-07-14
苏州笛灵科技有限公司
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AI Technical Summary

Problems solved by technology

[0003] At present, the vibration method is usually used to calibrate the shock acceleration sensor, but the acceleration of the vibration calibration device is usually only up to 1000m / s^2, while the commonly used shock acceleration sensor has a range of 20000m / s^2, and the vibration calibration device is far from meeting the range need

Method used

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  • Falling body type impact calibration device
  • Falling body type impact calibration device
  • Falling body type impact calibration device

Examples

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Embodiment

[0022] like Figure 1-3 As shown, the drop-type impact calibration device includes a bottom plate 1, a lifting mechanism 9 is provided on one side of the bottom plate 1, and a lifting installation frame 8 fixedly connected with the bottom plate 1 and the top plate 7 is respectively provided at the upper and lower ends of the lifting mechanism 9, and the lifting mechanism 9- A double-acting cylinder 11 is provided on the side, a base 2 is provided on the bottom plate 1, guide posts 6 and buffer devices 3 are symmetrically provided at both ends of the upper part of the base 2, and a cage 4 is provided on the guide post 6, and the cage 4 can extend the guide post 6 Sliding, the hammer head 5 is provided in the cage 4 .

[0023] Preferably, a screw rod is provided inside the lifting mechanism 9, and the screw rod passes through the top plate 7 and is connected to the stepping motor 16 arranged on the upper part thereof.

[0024] Preferably, one end of the double-acting cylinder 1...

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Abstract

The invention discloses a falling body type impact calibration device. The device comprises a bottom plate, a lifting mechanism is arranged on one side of the bottom plate, lifting installation framesfixedly connected with the bottom plate and the top plate are arranged at the upper end and the lower end of the lifting mechanism respectively, a double-acting air cylinder is arranged on one side of the lifting mechanism, a base is arranged on the bottom plate, guide columns and buffer devices are symmetrically arranged at the two ends of the upper portion of the base, and retainers are arranged on the guide columns and can move along the guide columns, and a hammer head is arranged in the retainer. The device has the beneficial effects that required test data are acquired through the sensor mounted on the hammer head, the provided acceleration range is 50-20000 m / s^2, the pulse width range is 1-30 ms, and the device is small in size, large in instantaneous energy, wide in calibration range, good in repeatability, high in precision and high in safety.

Description

technical field [0001] The invention relates to the technical field of mechanical metrology calibration, in particular to a drop-type impact calibration device. Background technique [0002] The mechanical measurement calibration device is an important guarantee for the detection and calibration of the accuracy of the mechanical environment detection components. The falling-type shock calibration device is mainly used for the detection and calibration of the shock acceleration sensor to determine the performance of the shock acceleration sensor. [0003] At present, the vibration method is usually used to calibrate the shock acceleration sensor, but the acceleration of the vibration calibration device is usually only up to 1000m / s^2, while the commonly used shock acceleration sensor has a range of 20000m / s^2, and the vibration calibration device is far from meeting the range need. Contents of the invention [0004] The purpose of the present invention is to provide a dro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P21/00
CPCG01P21/00
Inventor 柯其利
Owner 苏州笛灵科技有限公司
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