CN-224216694-U - Be used for aviation lubricating oil gaseous phase coking survey equipment

Abstract

The utility model discloses gas phase coking measuring equipment for aviation lubricating oil, and belongs to the field of gas phase coking tendency measurement. The utility model relates to gas-phase coking measurement equipment for aviation lubricating oil, which comprises a working box, wherein a placing cavity and a working cavity are formed in a cavity of the working box through a partition plate, a heating table is arranged in the working cavity, a supporting plate is detachably arranged on the top surface of the heating table, an experiment cup is arranged on the supporting plate, the bottom surface of the experiment cup is attached to the supporting plate, a rotating shaft is rotationally connected in the placing cavity, a storage roll is fixedly connected to the rotating shaft, and a connecting rope is wound on the storage roll.

Inventors

• LIU XIANG
• LEI ZHILIANG
• Dan Jiangbo
• ZHANG LEI
• WANG YUMO
• SUN HUIJIE
• Huang Qinyiding
• YANG QINGQING

Assignees

• 中国民用航空飞行学院

Dates

Publication Date

20260508

Application Date

20250520

Claims (6)

1. 1. The gas-phase coking measuring equipment for the aviation lubricating oil comprises a working box (1), wherein a placing cavity and a working cavity are arranged in a cavity of the working box (1) through a partition plate (2), and the gas-phase coking measuring equipment is characterized in that a heating table (3) is arranged in the working cavity, Wherein, can dismantle on the top surface of heating platform (3) and be provided with the layer board, be provided with experiment cup (4) on the layer board, the bottom surface of experiment cup (4) is laminated mutually with the layer board, place intracavity rotation and be connected with pivot (8), fixedly connected with is accomodate on pivot (8) and is rolled up (9), it is connected with connecting rope (10) to accomodate the winding on roll (9), connecting rope (10) extend to the working intracavity, be provided with drive division on working box (1) for control pivot (8) are rotatory in order to adjust connecting rope (10) rolling and release.
2. 2. The gas-phase coking measurement device for aviation lubricating oil according to claim 1, wherein the driving part comprises a motor (7) fixedly connected in the placing cavity, the rotating shaft (8) is fixedly connected at the output end of the motor (7), a through hole is formed in the partition plate (2), and the storage roll (9) is arranged above the through hole.
3. 3. The gas-phase coking measurement device for aviation lubricating oil according to claim 1, further comprising a vacuum pump (12) fixedly connected in the placing cavity, wherein an air inlet hopper (11) is arranged at the input end of the vacuum pump (12), the air inlet hopper (11) is arranged in the working cavity, and the input end of the vacuum pump (12) extends to the outside of the working box (1) through an air outlet pipe (13).
4. 4. The gas-phase coking measurement device for aviation lubricating oil according to claim 1, wherein a limiting frame (5) is fixedly connected to the heating table (3), and the limiting frame (5) is propped against the outer wall of the experimental cup (4).
5. 5. The gas-phase coking measurement device for aviation lubricating oil according to claim 4, wherein the limiting frame (5) is fixedly connected with a temperature sensor (6), and the detection end of the temperature sensor (6) faces the outer wall of the experimental cup (4).
6. 6. The gas-phase coking measurement device for aviation lubricating oil according to claim 1, wherein a box door (14) is hinged on the working box (1), and a transparent plate (15) is arranged on the box door (14).

Description

Be used for aviation lubricating oil gaseous phase coking survey equipment Technical Field The utility model relates to the technical field of gas phase coking tendency measurement, in particular to gas phase coking measurement equipment for aviation lubricating oil. Background The aviation lubricating oil is lubricating oil for aerospace equipment, wherein the aviation turbine engine lubricating oil is one of the aviation lubricating oils, and is essential for the normal operation of an aeroengine and for the lubrication and cooling of devices in the aeroengine. In the prior art, during the daily use process of the turbine lubricating oil, the turbine lubricating oil is easy to oxidize and crack in the high-temperature running environment of the engine, and the oxidized or cracked turbine lubricating oil can generate byproducts which seriously affect the performance of the engine, such as carbon deposition, sludge and the like, and the byproducts can be called gas phase coking, namely, the turbine lubricating oil forms carbon deposits in the oil-free soaked high-temperature vent pipe area of the engine, and the cracking byproducts can obstruct the normal work of bearings, gears, sealing elements, oil return pumps and air inlet systems in the engine, and can also cause catastrophic failure of the engine to affect the running safety of an aircraft in serious cases. Therefore, it is highly desirable to design a gas phase coking test apparatus for an aircraft lubricating oil that assists an evaluator in assessing the risk of coking of the aircraft lubricating oil. Disclosure of utility model The utility model aims to solve the problem of evaluating and measuring gas-phase coking of aviation lubricating oil in the prior art, and provides a device for measuring gas-phase coking of aviation lubricating oil. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a be used for aviation lubricating oil gas phase coking check out test set, includes the work box, be equipped with through the division board in the work box cavity and place chamber and work chamber, be provided with the heating platform in the work chamber, wherein, can dismantle on the top surface of heating platform and be provided with the layer board, be provided with the experiment cup on the layer board, the bottom surface and the layer board laminating mutually of experiment cup, place intracavity rotation and be connected with the pivot, fixedly connected with accomodates the book in the pivot, accomodate the winding on the book and be connected with the connecting rope, the connecting rope extends to the work intracavity, be provided with drive division on the work box for control pivot is rotatory in order to adjust connecting rope rolling and release. In order to be convenient for tighten or loosen the connecting rope, preferably, the driving part comprises a motor fixedly connected in the placing cavity, the rotating shaft is fixedly connected at the output end of the motor, a through hole is formed in the partition plate, and the storage roll is arranged above the through hole. In order to be convenient for collect the gas that produces in the experimental cup, preferably still include fixed connection place the intracavity vacuum pump, the input of vacuum pump is provided with the air inlet bucket, the air inlet bucket sets up in the working chamber, the input of vacuum pump extends to the outside of working box through the outlet duct. In order to improve the heat conduction effect of the experimental cup, preferably, a limiting frame is fixedly connected to the heating table and is propped against the outer wall of the experimental cup. In order to be convenient for detect the temperature of experimental cup, further, fixedly connected with temperature sensor on the spacing, temperature sensor's detection end is towards the outer wall of experimental cup. In order to facilitate sealing or opening the working box, preferably, a box door is hinged on the working box, and a transparent plate is arranged on the box door. Compared with the prior art, the utility model provides the gas-phase coking measuring equipment for the aviation lubricating oil, which has the following beneficial effects: 1. According to the gas-phase coking measuring equipment for the aviation lubricating oil, an engine part is simulated by utilizing a metal coil or a bearing material, the engine part is placed in a test cup filled with lubricating oil, the test cup is heated, at the moment, the internal lubricating oil in the working process of the aviation engine can be simulated by high-temperature lubricating oil, the oxidation reaction of the oil in contact with metal is observed, and then the coke generation amount on the surface of the metal is detected; 2. The gas-phase coking measuring equipment for the aviation lubricating oil can also monitor the color change or bubble generation phen