Ground rapid oil sealing equipment and oil sealing method for aero-engine

Abstract

The invention relates to the technical field of aero-engine maintenance equipment, and discloses ground rapid oil sealing equipment for an aero-engine and an oil sealing method.The ground rapid oil sealing equipment comprises an oil tank, the oil tank is connected with a heating assembly, the heating assembly heats and dewater sealing oil in the oil tank, and the oil tank is connected with an oil outlet pipeline; the output end of the oil outlet pipeline is connected with the oil sealing end of the engine, the oil outlet pipeline is connected with an oil pump, and the other end of the oil tank is connected with an oil inlet pipeline. And the air supply device is connected with the air inlet end of the engine and used for providing compressed air and driving the engine. The system has the beneficial effects that rack resources are released, the production flexibility is improved, the whole process is efficient and synergistic, the oil seal period is shortened, environment-friendly treatment and resource recovery are achieved, and a green operation environment is constructed.

Description

Technical Field

[0001] The invention relates to the technical field of aircraft engine maintenance equipment and discloses a ground rapid oil sealing device and an oil sealing method for an aircraft engine. Background Art

[0002] The oil seal of an aircraft engine is a key step in the process from factory inspection to qualified delivery. Engines with expired oil seals, engines returned to the factory, and engines that have not yet been shipped due to damaged oil seals caused by accessory modifications all need to be re-oiled. Traditional engine oil seal operations are highly dependent on test bench resources, and the entire process, including transportation, starting, oil supply, measurement and control, and oil mist treatment, must be completed on the test bench. However, as a core resource for engine performance testing, test benches are limited in number and have heavy workloads. Long-term occupancy by oil seal operations will directly affect the arrangement of normal engine test tasks.

[0003] Specifically, the existing technology has the following prominent problems: the high utilization rate of test bench resources and the discontinuity of work such as engine accessory modification require frequent movement on and off the test bench for oil sealing. The process of moving the engine on and off the test bench is complex and time-consuming (such as transportation, positioning, pipeline connection, etc.), resulting in inefficient utilization of test bench resources. For engines that urgently need oil seals, such as those returned to the factory, the construction period is often delayed due to waiting in line on the test bench, which seriously affects the production progress; the oil sealing operation efficiency is low, and the traditional oil sealing system relies on the supporting facilities of the test bench and lacks independent ground oil sealing equipment, resulting in insufficient coordination of various links in the oil sealing process (such as lubricating oil dehydration, air starting, oil mist treatment, etc.). The total time for the oil sealing operation of a single engine is long, which makes it difficult to meet the needs of efficient production.

[0004] In summary, due to the problems of limited test bench resources, inefficient oil sealing process and imperfect supporting systems in the existing technology, there is an urgent need for a special equipment that can be independent of the test bench and realize rapid oil sealing on the ground to solve the technical problems of high resource usage, low efficiency and poor environmental friendliness in the engine oil sealing process. Summary of the Invention

[0005] The purpose of the present invention is to provide a ground-based rapid oil sealing device and oil sealing method for aircraft engines, so as to solve the technical problems of limited test bench resources, inefficient oil sealing process and imperfect supporting system.

[0006] In order to achieve the above technical effects, the technical solution adopted by the present invention is: a ground-based rapid oil sealing device for an aircraft engine, comprising:

[0007] A fuel tank, wherein the fuel tank is connected to a heating assembly, which heats and dehydrates the sealing oil in the fuel tank. The fuel tank is connected to an oil outlet pipe, and the output end of the oil outlet pipe is connected to the engine oil sealing end. The oil outlet pipe is connected to an oil pump, and the other end of the fuel tank is connected to an oil inlet pipe;

[0008] The air supply device is connected to the air intake end of the engine and is used to provide compressed air to drive the engine.

[0009] As a preferred embodiment, it also includes: an oil receiving pan, which is arranged below the engine oil sealing end and is used to recover the sealing oil during the engine oil sealing process; a transport cart, which includes a frame, wheels arranged at the bottom of the frame and a support frame arranged at the top of the frame, and the support frame is provided with a mounting groove adapted to the engine.

[0010] As a preferred embodiment, it also includes: a temperature sensor, fixedly connected to the oil tank, for monitoring the temperature of the sealing oil in the oil tank; a liquid level gauge, fixedly connected to the oil tank, for monitoring the oil level of the oil seal in the oil tank; an auxiliary pipeline, for connecting the oil tank and the oil outlet pipeline, the auxiliary pipeline is connected to an overflow valve, and the oil outlet pipeline is provided with a filter.

[0011] As a preferred embodiment, the heating assembly includes several heaters, and the several heaters are distributed at the bottom of the dehydration oil tank.

[0012] As a preferred embodiment, the air supply device includes an air tank, and the air tank is connected to the engine intake end via a starting air pipe;

[0013] The gas tank capacity Where V is the volume of the air tank, T is the time required for the air pressure in the air tank to drop from P2 to P1, Pa is the atmospheric pressure, K is the actual consumption of compressed air, P2 is the initial pressure in the air tank, and P1 is the low pressure in the air tank when the air compressor starts.

[0014] As a preferred embodiment, it also includes an oil mist purification device, which includes an oil-gas separator, the input end and output end of the oil-gas separator are respectively connected to the induced air duct and the outlet air duct, the outlet air duct is connected to a fan, and the induced air duct is connected to the outlet air end of the engine; the oil-gas separator is provided with a main oil mist filter, an enhanced gas-liquid separator, an inertial separator and an oil collecting tank from top to bottom.

[0015] As a preferred embodiment, it also includes a waste oil collection device, which includes an oil suction pipe, which is respectively connected to the oil receiving pan and the oil collecting tank; the oil suction pipe is sequentially provided with an oil suction filter element, an oil suction pump group, and a one-way valve, wherein the oil suction filter element is respectively located in the oil collecting tank and the oil receiving pan, and the oil outlet direction of the one-way valve is set to be the same as the oil outlet direction of the oil suction pipe.

[0016] To achieve the above technical effects, the present invention also provides a method for rapid oil sealing of an aircraft engine on the ground, comprising the following steps:

[0017] S1: Dehydration treatment: Start the heating component to heat and dehydrate the sealing oil in the oil tank;

[0018] S2: Oil seal treatment: The oil outlet pipe is connected to the oil seal end of the engine, and the air supply device and oil pump are started at the same time. When the turbine in the engine rotates, the dehydrated sealing oil enters the engine.

[0019] As a preferred embodiment, in step S1, an oil receiving pan is provided below the oil sealing end of the engine, and the engine is transported to the oil receiving pan by a transport trolley. The oil receiving pan is used to recover the sealing oil during the engine oil sealing process;

[0020] In step S2, the engine air outlet is connected to an oil-gas separator for purifying the oil mist generated during the engine oil sealing process.

[0021] As a preferred embodiment, in step S2, an oil collecting tank is provided at the bottom of the oil-gas separator, and an oil suction pipe is connected to the oil receiving pan and the bottom of the oil collecting tank. The oil suction pump group on the oil suction pipe is started, and the sealing oil is filtered and recovered through the oil suction filter element provided on the oil suction pipe.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. Freeing up test bench resources and improving production flexibility: By constructing an independent ground-based oil seal test bench, engines can complete oil sealing operations without relying on a test bench, completely changing the problem of traditional oil seals occupying long-term test bench resources. This design not only frees up valuable test bench resources to prioritize core tasks such as engine performance testing, but also enables "immediate sealing" for returned engines and engines requiring emergency oil seals, avoiding delays caused by test bench queues and significantly improving production process flexibility and resource utilization efficiency.

[0024] 2. Efficient collaboration throughout the entire process shortens the oil sealing cycle: The transport trolley ensures safe and rapid transportation and positioning of the engine, the air starting system provides stable and controllable compressed air, and the oil sealing system significantly shortens the oil sealing operation time for a single engine through heating, dehydration, and precise oil supply, meeting the rapid processing needs of high-production line environments.

[0025] 3. Environmentally friendly treatment and resource recycling to build a green working environment: The multi-stage oil mist purification system effectively captures the oil mist generated during the oil sealing process through inertial separation, gas-liquid separation, high-efficiency filtration and other processes. The purified emissions meet environmental protection standards, improve the workshop working environment and protect the health of operators. The supporting waste oil collection system realizes closed-loop recycling of oil seal oil, reduces waste oil emissions and waste, and is in line with the green production concept in the aviation manufacturing field.

[0026] 4. Reduce overall costs and enhance engineering practicality: The independent operation mode reduces bench occupancy costs, automated control reduces manual operation intensity, and the environmental protection system avoids potential environmental governance expenses. The overall design of the equipment takes into account both reliability and economy. Its engineering application can significantly improve the efficiency of aircraft engine maintenance, provide key technical support for enterprises to optimize production processes and reduce operating costs, and has broad industry promotion value.

[0027] In summary, the present invention achieves high efficiency and greenness of aviation engine ground oil seals through technological innovation, effectively solves the resource bottleneck and efficiency shortcomings of traditional processes, and provides a safe and environmentally friendly solution for the field of engine maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 It is a structural schematic diagram of the dehydration process of the oil tank and the heating component of the present invention;

[0030] Figure 3 Schematic diagram of the internal structure of the separator of the present invention;

[0031] Figure 4 It is a schematic structural diagram of the transport trolley of the present invention;

[0032] Figure 5 This is a schematic diagram of the structural connection between the oil receiving pan and the waste oil collection device of the present invention;

[0033] Figure 6 It is a schematic diagram of the structural connection between the oil collecting tank and the waste oil collection device of the present invention.

[0034] Reference numerals:

[0035] 1. Fuel tank; 12. Oil outlet pipe; 121. Oil pump; 122. Filter; 13. Oil inlet pipe; 14. Temperature sensor; 15. Liquid level gauge; 16. Auxiliary pipe; 161. Overflow valve; 17. Heater;

[0036] 2. Engine;

[0037] 3. Oil pan; 31. Transport trolley; 311. Frame; 312. Wheels; 313. Support frame; 314. Mounting slot;

[0038] 4. Gas storage tank;

[0039] 5. Separator; 51. Induction duct; 52. Outlet duct; 53. Fan; 501. Main oil mist filter; 502. Enhanced gas-liquid separator; 503. Inertial separator; 504. Oil collecting tank;

[0040] 6. Oil suction pipe; 61. Oil suction filter element; 62. Oil suction pump group; 63. One-way valve. DETAILED DESCRIPTION

[0041] The present invention will be described in further detail below with reference to the embodiments and accompanying drawings. However, this should not be construed as limiting the scope of the present invention to the following embodiments, as all technologies implemented based on the present invention fall within the scope of the present invention.

[0042] Reference Attachment Figure 1 、 2 , Example 1, a ground rapid oil sealing device for an aircraft engine 2, comprising: an oil tank 1, a heating component connected to the oil tank 1, the heating component heats and dehydrates the sealing oil in the oil tank 1, an oil outlet pipe 12 is connected to the oil tank 1, and the output end of the oil outlet pipe 12 is connected to the oil seal end of the engine 2, an oil pump 121 is connected to the oil outlet pipe 12, and the other end of the oil tank 1 is connected to an oil inlet pipe 13; an air supply device, connected to the air intake end of the engine 2, for providing compressed air to drive the engine 2.

[0043] Reference Attachment Figure 1 、 4 In the preferred implementation scheme of this embodiment, the oil receiving pan 3 is provided below the oil sealing end of the engine 2 and is used to recover the sealing oil during the oil sealing process of the engine 2; the transport trolley 31 includes a frame 311, wheels 312 provided at the bottom of the frame 311 and a support frame 313 provided at the top of the frame 311, and the support frame 313 is provided with a mounting groove 314 adapted to the engine 2.

[0044] Reference Attachment Figure 2 In the preferred implementation scheme of this embodiment, a temperature sensor 14 is fixedly connected to the oil tank 1 for monitoring the temperature of the sealing oil in the oil tank 1; a liquid level gauge 15 is fixedly connected to the oil tank 1 for monitoring the oil level of the sealing oil in the oil tank 1; an auxiliary pipeline 16 is used to connect the oil tank 1 and the oil outlet pipeline 12, and an overflow valve 161 is connected to the auxiliary pipeline 16, and a filter 122 is provided on the oil outlet pipeline 12.

[0045] Reference Attachment Figure 1 、 2In a preferred embodiment of this embodiment, the heating assembly includes a plurality of heaters 17, and the plurality of heaters 17 are distributed at the bottom of the dehydration oil tank 1. The air supply device includes an air tank 4, and the air tank 4 is connected to the air intake end of the engine 2 via a starting air pipe.

[0046] The initial pressure P2 in the air tank 4 was measured by a pressure gauge to be 0.7 MPa, the lowest pressure P1 in the air tank 4 when the engine was running was 0.23 MPa, and the time T taken by the timer to decrease the initial pressure of the air tank 4 to the lowest pressure of the air tank 4 when the engine was running was 2 minutes. Referring to the engine technical manual, the actual compressed air consumption K of the engine was 116m 3 / min, according to The calculated volume of gas tank 4 is 49.98m 3 Therefore, the volume of gas tank 4 is not less than 49.98m 3 , ensure that the engine is in a running state during the oil sealing process.

[0047] Reference Attachment Figure 3 The preferred embodiment of this embodiment is an oil mist purification device, which includes an oil-gas separator 5. The input end and output end of the oil-gas separator 5 are respectively connected to an induced air duct 51 and an outlet air duct 52. The outlet air duct 52 is connected to a fan 53. The induced air duct 51 is connected to the outlet end of the engine 2.

[0048] The oil-gas separator 5 is provided with a main oil mist filter 501 , an enhanced gas-liquid separator 502 , an inertial separator 503 and an oil collecting pool 504 in sequence from top to bottom.

[0049] Reference Attachment Figure 5 、 6 , a preferred embodiment of this embodiment, a waste oil collection device, the waste oil collection device includes an oil suction pipe 6, the oil suction pipe 6 is respectively connected to the oil receiving pan 3 and the oil collecting tank 504;

[0050] The oil suction pipe 6 is provided with an oil suction filter element 61, an oil suction pump group 62, and a one-way valve 63 in sequence, wherein the oil suction filter element 61 is respectively located in the oil collecting pool 504 and the oil receiving pan 3, and the oil outlet direction of the one-way valve 63 is set to be the same as the oil outlet direction of the oil suction pipe 6.

[0051] Reference Attachment Figure 1When in use, the oil tank 1 serves as a sealing oil processing device. The oil tank 1 is connected to a heating assembly, which includes several heaters 17 distributed at the bottom of the oil tank 1. Efficient dehydration of the sealing oil is achieved through uniform heating. One side of the oil tank 1 is connected to the oil sealing end of the engine 2 through an oil outlet pipe 12. An oil pump 121 is integrated on the pipe to provide oil delivery power; the other side realizes sealing oil circulation through an oil inlet pipe 13. A filter 122 is configured on the oil outlet pipe 12 to intercept impurities and ensure the cleanliness of the sealing oil.

[0052] The air supply device is based on the air tank 4, which is connected to the air intake end of the engine 2 through the starting air pipe. It drives the engine 2 to operate by providing compressed air. The volume of the air tank 4 is based on the Calculated, this formula ensures that the gas tank capacity is precisely matched to the engine driving requirements.

[0053] refer to Figure 1 、 4 An oil receiving pan 3 is provided below the oil seal end of the engine 2 to receive the sealing oil dripping during the oil sealing process. A matching transport trolley 31 is provided, and wheels 312 are installed at the bottom of the frame 311 to achieve flexible movement. The top support frame 313 is provided with a mounting groove 314 adapted to the engine 2 to ensure that the engine 2 is accurately positioned and convenient for quick docking with the equipment.

[0054] Reference Attachment Figure 2 A temperature sensor 14 and a liquid level gauge 15 are connected to the oil tank 1 to monitor the sealing oil temperature and oil level in real time, respectively, and provide data support for the control of the heating component and the oil pump 121. The auxiliary pipe 16 connects the oil tank 1 and the oil outlet pipe 12. The relief valve 161 installed thereon can automatically relieve pressure when the system pressure is abnormal, ensuring the safe operation of the equipment. Two temperature sensors 14 are used, one of which is used to measure and monitor the oil temperature in the oil tank 1. When the temperature of the oil tank 1 is lower than X1°C, the heater 17 starts to heat the oil tank 1. When the temperature of the oil tank 1 reaches X2°C, the heater 17 is powered off, thereby achieving the control of the lubricating oil temperature in the oil tank 1 between X2°C and X1°C.

[0055] refer to Figure 3 、 45. Oil Mist Purification and Waste Oil Treatment: The outlet of engine 2 is connected to an oil mist purification device, which includes an oil-gas separator 5. Inside, arranged from top to bottom, are a main oil mist filter 501, an enhanced gas-liquid separator 502, an inertial separator 503, and an oil collecting tank 504. This three-stage filtration structure achieves efficient oil mist separation. The separated clean gas is discharged through the air outlet duct 52 by a blower 53, and the separated sealing oil is collected in the oil collecting tank 504. The waste oil collection device connects the oil receiving pan 3 and the oil collecting tank 504 via an oil suction pipe 6. An oil suction filter 61, an oil suction pump assembly 62, and a one-way valve 63 are sequentially arranged on the pipe. The oil suction filter 61, located in two oil collection areas, performs preliminary filtration on the recovered oil. The oil suction pump assembly 62 provides power, and the one-way valve 63 ensures unidirectional flow of the oil, preventing backflow contamination and enabling the recycling of the sealing oil.

[0056] refer to Figure 1 During operation, when the equipment is running, heater 17 heats and dehydrates the sealing oil in oil tank 1. Temperature sensor 14 and liquid level gauge 15 provide real-time feedback to adjust the heating power. Oil pump 121 delivers the dehydrated sealing oil to engine 2 through filter 122. Simultaneously, air tank 4 provides compressed air to the intake end of engine 2 to drive the turbine, ensuring that the sealing oil is evenly adhered to the internal components of engine 2. Sealing oil that drips during the oil sealing process is collected by oil pan 3. The volatile oil mist undergoes multi-stage purification in oil-gas separator 5. The separated waste oil is filtered through oil suction pipe 6 and then recycled to oil tank 1, forming a closed-loop treatment system.

[0057] Reference Attachment Figure 1-6 , Example 2, a ground rapid oil sealing method for an aircraft engine, comprising the following steps:

[0058] S1: Dehydration treatment: Start the heating component to heat and dehydrate the sealing oil in the oil tank 1;

[0059] S2: Oil seal processing: The oil outlet pipe 12 is connected to the oil seal end of the engine 2, and the air supply device and the oil pump 121 are started at the same time. When the turbine in the engine 2 rotates, the dehydrated sealing oil enters the engine 2.

[0060] In a preferred embodiment of this embodiment, in step S1, an oil receiving pan 3 is provided below the oil sealing end of the engine 2, and the engine 2 is transported to the oil receiving pan 3 by a transport trolley 31. The oil receiving pan 3 is used to recover the sealing oil during the oil sealing process of the engine 2;

[0061] In step S2, the gas outlet of the engine 2 is connected to an oil-gas separator 5 for purifying the oil mist generated during the oil sealing process of the engine 2.

[0062] In a preferred implementation scheme of this embodiment, in step S2, an oil collecting pool 504 is provided at the bottom of the oil-gas separator 5, and the bottom of the oil receiving pan 3 and the oil collecting pool 504 are both connected to an oil suction pipe 6, and the oil suction pump group 62 on the oil suction pipe 6 is started, and the sealing oil is filtered and recovered through the oil suction filter element 61 provided on the oil suction pipe 6.

[0063] When in use, the sealing oil dehydration process starts the heater 17 at the bottom of the oil tank 1 to heat and dehydrate the sealing oil. During the heating process, the temperature sensor 14 monitors the oil temperature in real time to ensure the dehydration efficiency and oil quality, and avoid overheating and oil deterioration.

[0064] The dynamic oil sealing process connects the oil outlet pipe 12 to the oil seal end of the engine 2, and simultaneously starts the air tank 4 and the oil pump 121 of the air supply device. The compressed air drives the engine turbine to rotate, forming a dynamic oil sealing environment, so that the dehydrated sealing oil enters the interior of the engine evenly under pressure, completing the lubrication and sealing of various components.

[0065] Before engine positioning and waste liquid collection step S1, the engine 2 is accurately transported to the top of the oil receiving pan 3 by the transport trolley 31, and the engine is fixed using the mounting groove 314 to ensure that the sealing oil dripping during the oil sealing process is completely recovered by the oil receiving pan 3 to avoid contaminating the working environment.

[0066] In step S2, the oil-gas separator 5 connected to the engine's exhaust port operates synchronously. The main oil mist filter 501 first intercepts large oil droplets, the enhanced gas-liquid separator 502 separates fine oil mist through centrifugal action, and the inertial separator 503 further captures residual oil droplets. Finally, clean gas is discharged, and the separated oil is collected in the oil collection tank 504. After the oil sealing operation is completed, the oil suction pump assembly 62 is activated, and the sealing oil in the oil pan 3 and the oil collection tank 504 is filtered of impurities through the oil suction filter 61. The oil is then transferred to the oil tank 1 through the check valve 63, achieving resource recycling and reducing oil sealing costs and environmental pollution.

[0067] The method of the present invention significantly improves the cleanliness and uniformity of sealing oil through the coordinated operation of heating dehydration and dynamic oil sealing; the integrated recovery and purification system realizes closed-loop management of sealing oil, meets the efficient and environmentally friendly operation requirements in the field of aviation maintenance, and effectively improves the efficiency and economy of ground maintenance.

[0068] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A ground rapid oil sealing device for aircraft engines, characterized in that: include: An oil tank (1) is connected to a heating component, which heats and dehydrates the sealing oil in the oil tank (1). The oil tank (1) is connected to an oil outlet pipe (12), and the output end of the oil outlet pipe (12) is connected to the oil sealing end of the engine (2). The oil outlet pipe (12) is connected to an oil pump (121). The other end of the oil tank (1) is connected to an oil inlet pipe (13); The air supply device is connected to the air intake end of the engine (2) and is used to provide compressed air to drive the engine (2) to rotate.

2. The ground rapid oil sealing device for aircraft engines according to claim 1, characterized in that: Also includes: An oil receiving pan (3) is provided below the oil sealing end of the engine (2) and is used to recover the sealing oil during the oil sealing process of the engine (2); A transport trolley (31) includes a frame (311), wheels (312) arranged at the bottom of the frame (311), and a support frame (313) arranged at the top of the frame (311), wherein the support frame (313) is provided with a mounting groove (314) adapted to the engine (2).

3. The ground rapid oil sealing device for aircraft engines according to claim 1, characterized in that: Also includes: A temperature sensor (14) is fixedly connected to the oil tank (1) and is used to monitor the temperature of the sealing oil in the oil tank (1); A liquid level gauge (15) is fixedly connected to the oil tank (1) and is used to monitor the oil level of the oil seal in the oil tank (1); The auxiliary pipeline (16) is used to connect the oil tank (1) and the oil outlet pipeline (12); the auxiliary pipeline (16) is connected to a relief valve (161); and the oil outlet pipeline (12) is provided with a filter (122).

4. The ground rapid oil sealing device for aircraft engines according to claim 1, characterized in that: The heating assembly comprises a plurality of heaters (17), and the plurality of heaters (17) are distributed at the bottom of the dehydration oil tank (1).

5. The ground rapid oil sealing device for aircraft engines according to claim 1, characterized in that: The air supply device includes an air storage tank (4), and the air storage tank (4) is connected to the air intake end of the engine (2) via a starting air pipe; The initial air pressure P2 in the air tank (4), the lowest air pressure P1 in the air tank (4) when the engine is running, the time T of the air tank (4) dropping from the initial air pressure to the lowest air pressure in the air tank (4) when the engine is running, and the actual consumption of the compressed air of the engine are obtained by measuring. The volume of the gas storage tank (4) is obtained by calculation.

6. The ground rapid oil sealing device for aircraft engines according to claim 2, characterized in that: Also includes: An oil mist purification device, comprising an oil-gas separator (5), wherein the input end and the output end of the oil-gas separator (5) are respectively connected to an air induction duct (51) and an air outlet duct (52), the air outlet duct (52) is connected to a fan (53), and the air induction duct (51) is connected to the air outlet end of the engine (2); The oil-gas separator (5) is provided with a main oil mist filter (501), an enhanced gas-liquid separator (502), an inertial separator (503) and an oil collecting pool (504) in sequence from top to bottom.

7. The ground rapid oil sealing device for aircraft engines according to claim 6, characterized in that: Also includes: A waste oil collection device, the waste oil collection device comprising an oil suction pipe (6), the oil suction pipe (6) being connected to the oil receiving pan (3) and the oil collecting tank (504) respectively; The oil suction pipe (6) is provided with an oil suction filter element (61), an oil suction pump group (62), and a one-way valve (63) in sequence, wherein the oil suction filter element (61) is located in the oil collecting pool (504) and the oil receiving pan (3) respectively, and the oil outlet direction of the one-way valve (63) is set to be the same as the oil outlet direction of the oil suction pipe (6).

8. A method for rapid oil sealing on the ground for an aircraft engine, based on the rapid oil sealing device for the aircraft engine according to any one of claims 1 to 7, characterized in that: The following steps are involved: S1: Dehydration treatment: start the heating component to heat and dehydrate the sealing oil in the oil tank (1); S2: Oil seal treatment: The oil outlet pipe (12) is connected to the oil seal end of the engine (2), and the air supply device and the oil pump (121) are started at the same time. When the turbine in the engine (2) rotates, the dehydrated sealing oil enters the engine (2).

9. The method for rapid oil sealing on the ground of an aircraft engine according to claim 8, characterized in that: In step S1, an oil receiving pan (3) is provided below the oil sealing end of the engine (2), and the engine (2) is transported to the oil receiving pan (3) by a transport trolley (31). The oil receiving pan (3) is used to recover the sealing oil during the oil sealing process of the engine (2); In step S2, the air outlet of the engine (2) is connected to an oil-gas separator (5) for purifying the oil mist generated during the oil sealing process of the engine (2).

10. The method for rapid oil sealing on the ground of an aircraft engine according to claim 9, characterized in that: In step S2, an oil collecting pool (504) is provided at the bottom of the oil-gas separator (5), and the bottoms of the oil receiving pan (3) and the oil collecting pool (504) are both connected to an oil suction pipe (6). The oil suction pump group (62) on the oil suction pipe (6) is started, and the sealing oil is filtered and recovered through the oil suction filter element (61) provided on the oil suction pipe (6).

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