CN-224230921-U - Inductance device is measured to aeroengine low pressure turbine guide vane exhaust area

Abstract

The utility model discloses an inductance device for measuring the exhaust area of a low-pressure turbine guide vane of an aeroengine, which comprises a box body, wherein a power supply assembly and a signal receiving and processing assembly are arranged in the box body, the power supply assembly is connected with a power line extending out of the box body, one end of the signal receiving and processing assembly is respectively connected with 5 displacement sensors through 5 data lines extending out of the box body after being connected with the power supply assembly, the other end of the signal receiving and processing assembly is connected with 5 displays corresponding to the displacement sensors one by one, the displays are fixed on the outer side of the box body, and the side surface of each display is provided with 1 reset key. The utility model has the characteristics of simpler structure, more convenient use, lower cost and simpler appearance.

Inventors

• PENG XIAOHE
• XU YU
• SHI LEI
• Zeng Shumeng
• ZHOU SHUANG
• LIU WEITAO
• CHEN BIN
• LI HAI

Assignees

• 贵州乾鼎科技发展有限公司

Dates

Publication Date

20260512

Application Date

20250514

Claims (7)

1. 1. The device is characterized by comprising a box body (1), wherein a power supply assembly (2) and a signal receiving and processing assembly (3) are arranged in the box body (1), the power supply assembly (2) is connected with a power line (7) extending out of the box body (1), one end of the signal receiving and processing assembly (3) is connected with 5 displacement sensors (5) through 5 data lines (4) extending out of the box body (1) respectively after being connected with the power supply assembly (2), the other end of the signal receiving and processing assembly is connected with 5 displays (6) corresponding to the displacement sensors (5) one by one, the displays (6) are fixed on the outer side of the box body (1), and 1 reset key (8) is arranged on the side face of each display (6).
2. 2. The aircraft engine low pressure turbine guide vane exhaust area measurement inductance device according to claim 1, wherein a control switch (9) connected with the power supply assembly (2) is arranged on the outer side of the box body (1).
3. 3. The aircraft engine low pressure turbine guide vane exhaust area measurement inductance device according to claim 1, wherein the outside of the box (1) is provided with an operating signal indicator light (10) connected with the power supply assembly (2).
4. 4. The inductance device for measuring the exhaust area of the low-pressure turbine guide vane of the aeroengine according to claim 1, wherein a box door (11) is arranged on one side of the box body (1).
5. 5. The inductance device for measuring the exhaust area of the low-pressure turbine guide vane of the aeroengine according to claim 1, wherein a telescopic wire winder (12) is arranged in the box body (1), the telescopic wire winder (12) is fixed through a bracket (13), and the data wire (4) is wound on the telescopic wire winder (12).
6. 6. The inductance device for measuring the exhaust area of the low-pressure turbine guide vane of the aeroengine as claimed in claim 5, wherein a ratchet wheel (14) is arranged on the coaxial side of the telescopic winder (12), a limiting plate (15) is arranged on one side of the ratchet wheel (14), the middle part of the limiting plate (15) is connected to the wall of the box body (1) through a rotating shaft (16), one end of the limiting plate extends out of the box body (1), and a return spring (17) is arranged between the limiting plate (15) and the box body (1).
7. 7. The device for measuring the exhaust area of the low-pressure turbine guide vane of the aeroengine according to claim 1, wherein 5 fixing buckles (18) are arranged on the outer side of the box body (1) close to the surface provided with the data line (4).

Description

Inductance device is measured to aeroengine low pressure turbine guide vane exhaust area Technical Field The utility model relates to an exhaust area measuring inductance device, in particular to an inductance device for measuring the exhaust area of a low-pressure turbine guide vane of an aero-engine. Background The exhaust area of each low-pressure turbine guide vane of the aero-engine has strict standards, so that the exhaust area of the low-pressure turbine guide vane of the aero-engine needs to be accurately measured in the processing process. At present, the conventional measurement method of the exhaust area of the low-pressure turbine guide vane of the aero-engine comprises mechanical measurement, coordinate measurement, water flow measurement, pneumatic measurement and the like, wherein the coordinate measurement, the water flow measurement and the pneumatic measurement generally have the problems of complex measurement equipment, high measurement cost and the like, and are difficult to popularize and apply in the field of actual large-scale processing industry. The mechanical measurement method mainly relies on a special tool to fix the guide blade for measurement, and an inductance device is used to accurately acquire data such as the distance between the blade surfaces during the measurement, and the acquisition of the data mainly depends on a displacement sensor. Although the mechanical measurement is simpler to operate, more convenient to measure and relatively lower in cost than other measurement methods, the equipment cost of the inductance device is still higher, the market price is usually 20-30 tens of thousands, and the equipment wire harness is tedious and messy, so that the management is not facilitated. Based on the above, the applicant has simplified and improved the inductance device for measuring the exhaust area of the low-pressure turbine guide vane of the aeroengine, so that the inductance device has simpler structure, more convenient use, lower cost and simpler appearance. Disclosure of utility model In order to solve the technical problems, the utility model provides an inductance device for measuring the exhaust area of a low-pressure turbine guide vane of an aero-engine. The utility model has the characteristics of simpler structure, more convenient use, lower cost and simpler appearance. The technical scheme of the utility model is as follows: The utility model provides an aeroengine low pressure turbine guide vane exhaust area measures inductance device, includes the box, is equipped with power supply unit and signal reception processing unit in the box, and power supply unit is connected with the power cord that stretches out the box, signal reception processing unit with after the power supply unit connects, its one end respectively through 5 data lines that stretch out the box connect 5 displacement sensor, the other end be connected with 5 displays of displacement sensor one-to-one, the display is fixed in the box outside, every the side of display all is equipped with 1 reset key. This scheme is through setting up the box, locates power supply unit and signal reception processing assembly in the box, utilizes the data line to connect displacement sensor simultaneously, and is fixed in the outside of box with the display, and overall structure is simpler, and it is also more convenient to use, and the cost is 2-3 ten thousand yuan, only is about one tenth of current inductance device cost. Preferably, the exhaust area measuring inductance device of the low-pressure turbine guide vane of the aeroengine is characterized in that a control switch connected with the power supply assembly is arranged on the outer side of the box body. Preferably, the exhaust area measuring inductance device of the low-pressure turbine guide vane of the aeroengine is characterized in that an operating signal indicator lamp connected with the power supply assembly is arranged on the outer side of the box body. Preferably, the inductance device for measuring the exhaust area of the low-pressure turbine guide vane of the aero-engine is characterized in that a box door is arranged on one side of the box body. Preferably, in the foregoing inductance device for measuring exhaust area of low-pressure turbine guide vane of an aeroengine, a telescopic wire winder is arranged in the box body, the telescopic wire winder is fixed by a bracket, and the data wire is wound on the telescopic wire winder. According to the scheme, the telescopic wire winder is arranged, the data wire is wound on the telescopic wire winder, and the data wire is completely wound in the box body during storage, so that the appearance is not disordered, and the data wire is more concise. Preferably, in the inductance device for measuring the exhaust area of the low-pressure turbine guide vane of the aeroengine, a ratchet wheel is arranged on the coaxial side of the telescopic winder, a limiting plate is arranged on one side of the