Calibration methods for pressurized tools

Abstract

The invention relates to a calibrating method for a pressurization tool. A tension value born by a stretching body is converted into pressure through a fixture and transferred to a sensor, and an actual stress value born by the stretching body can be read by the sensor directly and is labeled on a pressure gage, so that an actual value can be directly shown on the pressure gage, effects of system pressure loss are effectively eliminated, pressurization and numerical reading are repeated, an average value is calculated, and the loading accuracy is effectively improved; a dial is labeled, intuitive and accurate judgment of a loading area during usage is facilitated, the diameter of the dial is enlarged, and the observation is facilitated. According to the calibrating method for the pressurization tool, the pressure gauge really reflects a loaded tension area range, the loading accuracy demand is guaranteed; and simultaneously, accurate observation reading can be facilitated, and the usage demand is met.

Description

technical field [0001] The invention relates to a calibration method, in particular to a calibration method of a pressure tool. Background technique [0002] In the aviation field, the parts of some devices need to bear a certain tensile force, so the loading test should be carried out on the parts. In the existing loading device, it is generally realized by using a pressurized tool. The processing tool includes a high-pressure pump, a high-pressure hose, and a stretching body. The high-pressure pump is the power source. The pressure gauge on the high-pressure pump reflects the output pressure of the pump. The high-pressure hose connects the high-pressure pump and the stretching body. The stretching body Realize the connection with the part and transmit the pulling force to the part. During the loading process, the device cannot directly display the tension range of the parts, and can only reflect the pressure range of the system through the pressure gauge reading on the h...

AI Technical Summary

Problems solved by technology

During the loading process, the device cannot directly display the tension range of the parts, and can only reflect the pressure range of the system through the pressure gauge reading on the high-pressure pump. Since the device has a certain system pressure loss during the working process, the pressure The table shows the loading value, which includes the pressure loss, so the pressure gauge reading cannot truly correspond to the actual loading tension area of ​​the part, so the loading accuracy cannot be guaranteed

At the same time, the pressure gauge dial on the high-pressure pump has a small diameter and low precision, making it difficult to read the data accurately

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