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Device for measuring oil temperature of air cylinder seat by use of thermocouple

A technology for thermocouples and cylinder blocks, which is applied to measuring devices, parts of thermometers, thermometers, etc., can solve problems such as the inability to directly detect the temperature of hydraulic oil in cylinder blocks, and achieve maintenance-free, convenient use, and low manufacturing costs Effect

Inactive Publication Date: 2016-12-21
XIAN AVIATION BRAKE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiency in the prior art that the temperature of the hydraulic oil in the cylinder block cannot be directly detected, the present invention proposes a device for measuring the temperature of the oil in the cylinder block by using a thermocouple

Method used

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  • Device for measuring oil temperature of air cylinder seat by use of thermocouple

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Embodiment Construction

[0013] This embodiment is a device for measuring the oil temperature of a cylinder block by using a thermocouple, including a thermocouple 1 , a screw plug 2 , an adhesive 3 and a sealing plug 5 . Wherein, the sealing plug 5 is installed in the center hole of the end face of the screw head of the screw plug 2; the thermocouple 1 is installed in the thermocouple installation hole at the center of the screw plug 2 and the thermocouple at the center of the sealing plug 5 Install in the hole, and make the lead-out end of the thermocouple located outside the end face of one end of the plug, and make the temperature measuring head of the thermocouple outside the end face of the other end of the plug. An adhesive is used to seal the thermocouple at one end of the screw plug 2, and an adhesive is also used to seal the thermocouple at the end face of the sealing plug.

[0014] The screw plug 2 is cylindrical. In the center of the screw plug, there is a thermocouple installation hole t...

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Abstract

The invention provides a device for measuring the oil temperature of an air cylinder seat by use of a thermocouple. A sealing plug is installed in a central hole in the end face of one end of a plug screw rod head of a plug screw. The thermocouple is installed in a thermocouple installation hole in the center of the plug screw and a thermocouple installation hole in the center of the sealing plug. A lead-out line end and a temperature measurement working head of the thermocouple are respectively outside end faces of two ends of the plug screw. The two ends of the thermocouple are fixedly sealed on the end face of the screw plug and the end face of the sealing plug by use of binding agent. According to the invention, the a threaded plug is used as an adapter; the binding agent is used for connection so that the thermocouple is fixed on the plug screw; and a deflating valve hydraulic port on the air cylinder seat of a braking device is used for carrying out real-time temperature measurement on an inserting point. The device provided by the invention is characterized in that the device is stable in performance, convenient to use, free of maintenance and low in manufacturing cost, satisfies temperature measurement requirements of a braking test of an aviation airplane wheel and is suitable for an installation test condition in which the temperature is 60 DEG C-200 DEG C and the pressure of hydraulic oil reaches 28MPa.

Description

technical field [0001] The invention relates to temperature measurement of an aircraft wheel brake device, in particular to a device for measuring the oil temperature of a cylinder seat by using a thermocouple. Background technique [0002] During the braking process of the aviation wheel, the huge kinetic energy of the aircraft is converted into heat energy through the mechanical friction of the brake disc. The temperature rises. The cylinder block is a device that powers the wheel brakes and is equipped with multiple hydraulically actuated pistons. After braking, the heat generated by the brake disc is partially transmitted to the cylinder block, which increases the temperature of the cylinder block, and then increases the temperature of the hydraulic oil in the inner cavity of the cylinder block. In order to quantitatively monitor the temperature change of the cylinder seat oil during and after braking, it is necessary to use a temperature measuring device or instrument...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K1/14G01K13/02G01K1/143
CPCG01K1/14G01K13/02
Inventor 何永乐黄安平张艺
Owner XIAN AVIATION BRAKE TECH
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