Movable aircraft engine hydraulic oil seal equipment

Abstract

The utility model relates to the field of aircraft engine oil seals, in particular to movable aircraft engine hydraulic oil seal equipment. Comprising an oil tank, an oil return connector, an oil conveying connector and an equipment base. The upper part of the equipment base is divided into two parts, one part is a fixed cover, an instrument panel is arranged on the inclined surface of the fixed cover, the other part is a movable cover, and an oil tank is arranged on the equipment base in the movable cover; the movable cover is connected with the fixed cover through a spring lock catch, a handle is arranged on the movable cover, and a pair of fixed trundles and a pair of movable trundles are arranged on the two sides of the bottom of the equipment base respectively. And the oil tank is respectively communicated with an oil return joint and an oil transportation joint which are arranged on the instrument panel through oil pipes. After multiple times of trial operation and use of technical personnel of a test flight station and front-line ground staff, it is considered that the aircraft engine oil seal equipment meets the design requirement, the functions are complete, the equipment operation data are normal, and the use effect can completely meet the technical requirements of the aircraft engine oil seal.

Description

Technical Field

[0001] The utility model relates to the field of aircraft engine oil seals, in particular to a mobile aircraft engine hydraulic oil seal device. Background Art

[0002] When the aircraft (or engine) is stored and transported, in order to prevent the engine from rusting due to the entry of moisture in the air during this period, the aircraft engine system needs to be oil-sealed. In the case of power supply, we use hydraulic oil seals, so we designed a mobile aircraft engine hydraulic oil seal device. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art, meet the actual needs, and provide a mobile aircraft engine hydraulic oil seal device, including an oil tank 7, an oil return joint 18, an oil delivery joint 19 and an equipment base 21; the upper part of the equipment base 21 is divided into two parts, one part is a fixed cover 22, an instrument panel 23 is arranged on the inclined surface of the fixed cover 22, and the other part is a movable cover 24, and the oil tank 7 is arranged on the equipment base 21 in the movable cover 24; the movable cover 24 is connected to the fixed cover 22 through a spring lock 25, and a handle 26 is arranged on the movable cover 24, and a pair of fixed casters 27 and movable casters 28 are respectively arranged on both sides of the bottom of the equipment base 21; the oil tank 7 is connected to the oil return joint 18 and the oil delivery joint 19 arranged on the instrument panel 23 through an oil pipe.

[0004] An electrical box 29 is disposed on the equipment base 21 in the fixed cover 22 ; a front door 30 and a side door 31 are respectively disposed at the front end and one side of the fixed cover 22 ; and door locks 32 are respectively disposed on the front door 30 and the side door 31 .

[0005] Two ball valves 17 are provided on the pipeline connecting the oil return joint 18 and the oil tank 7 .

[0006] A sheath electric heater 2 is arranged in the oil tank 7 , and the sheath electric heater 2 is connected to a temperature controller 4 and a temperature sensor 1 .

[0007] The oil tank is connected to a pipeline fan unit 20 via a pipeline.

[0008] The oil tank 7 is provided with an opening, and an air filter 5 is provided at the opening.

[0009] An oil pump 11 is provided on the pipeline connected to the oil delivery connector 19, the oil pipe of the oil pump is connected to the oil tank, and an oil suction filter 3 is provided at the end of the connected pipeline; an oil filter 14 is provided on the oil pipe between the oil pump 11 and the oil delivery connector 19, and the oil filter 14 contains a pressure difference transmitter; the oil pump 11 is connected to the motor 10.

[0010] An oil circuit switch 8 is provided on the pipeline connected to the oil delivery connector 19, and a connecting branch oil return pipe is provided on the oil pipe between the oil circuit switch 8 and the oil filter 14. The oil return pipe is provided with an oil return switch 9. The oil return pipe on one side of the oil return switch 9 is connected to a relief valve 12, and the relief valve 12 is connected in parallel with a pressure regulating switch 13; a pressure gauge 15 is connected to one side of the relief valve 12.

[0011] The instrument panel 23 is provided with a liquid level controller 16 , and the liquid level controller 16 controls valves on the equipment.

[0012] A liquid level gauge 6 is provided on one side of the oil tank 7 ; an oil drain plug 33 is provided at the bottom of the tank 7 .

[0013] The beneficial effects of the utility model are:

[0014] After several trial runs by the process technicians and front-line ground staff at the flight test station, they believed that the "aircraft engine oil seal equipment" met the design requirements, had complete functions, had normal equipment operation data, and its use effect could fully meet the process and technical requirements of aircraft engine oil seals. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and implementation cases.

[0016] Figure 1 This is the front view of the utility model;

[0017] Figure 2 Internal diagram of the device

[0018] Figure 3 This is a connection diagram for the device. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] See also Figure 1-3 .

[0021] The utility model discloses a mobile aircraft engine hydraulic oil seal device. The device structure is designed to be hydraulic and is installed on a movable trolley. It is compact, light, flexible and convenient to use and move. The pipeline system and most of the components are made of stainless steel. The design ensures the safety and reliability of the equipment and meets the requirements of field repair and material supply. The new materials and new processes used in the design fully consider reliability, maintainability and supply guarantee. The appearance design adopts orange-yellow paint sprayed on the surface in accordance with GJB 2100-1994 "Color Requirements for Aircraft Ground Support Equipment", the equipment design is in accordance with GJB 1132-1991 "General Specifications for Aircraft Ground Support Equipment", and the equipment manufacturing is carried out in accordance with HB 3461-1992 "General Technical Requirements for Aircraft Ground Support Equipment Manufacturing". Pneumatic oil seals are used for sites without power supply, and hydraulic oil seals are used for sites with power supply.

[0022] It includes an oil tank 7, an oil return joint 18, an oil delivery joint 19 and an equipment base 21; the upper part of the equipment base 21 is divided into two parts, one part is a fixed cover 22, and an instrument panel 23 is arranged on the inclined surface of the fixed cover 22, and the other part is a movable cover 24, and the oil tank 7 is arranged on the equipment base 21 inside the movable cover 24; the movable cover 24 is connected to the fixed cover 22 through a spring lock 25, and a handle 26 is arranged on the movable cover 24, and a pair of fixed casters 27 and movable casters 28 are respectively arranged on both sides of the bottom of the equipment base 21; the oil tank 7 is connected to the oil return joint 18 and the oil delivery joint 19 arranged on the instrument panel 23 through an oil pipe.

[0023] An electrical box 29 is disposed on the equipment base 21 in the fixed cover 22 ; a front door 30 and a side door 31 are respectively disposed at the front end and one side of the fixed cover 22 ; and door locks 32 are respectively disposed on the front door 30 and the side door 31 .

[0024] Two ball valves 17 are provided on the pipeline connecting the oil return joint 18 and the oil tank 7 .

[0025] A sheath electric heater 2 is arranged in the oil tank 7 , and the sheath electric heater 2 is connected to a temperature controller 4 and a temperature sensor 1 .

[0026] The oil tank is connected to a pipeline fan unit 20 via a pipeline.

[0027] The oil tank 7 is provided with an opening, and an air filter 5 is provided at the opening.

[0028] An oil pump 11 is provided on the pipeline connected to the oil delivery connector 19, the oil pipe of the oil pump is connected to the oil tank, and an oil suction filter 3 is provided at the end of the connected pipeline; an oil filter 14 is provided on the oil pipe between the oil pump 11 and the oil delivery connector 19, and the oil filter 14 contains a pressure difference transmitter; the oil pump 11 is connected to the motor 10.

[0029] An oil circuit switch 8 is provided on the pipeline connected to the oil delivery connector 19, and a connecting branch oil return pipe is provided on the oil pipe between the oil circuit switch 8 and the oil filter 14. The oil return pipe is provided with an oil return switch 9. The oil return pipe on one side of the oil return switch 9 is connected to a relief valve 12, and the relief valve 12 is connected in parallel with a pressure regulating switch 13; a pressure gauge 15 is connected to one side of the relief valve 12.

[0030] The instrument panel 23 is provided with a liquid level controller 16 , and the liquid level controller 16 controls valves on the equipment.

[0031] A liquid level gauge 6 is provided on one side of the oil tank 7 ; an oil drain plug 33 is provided at the bottom of the tank 7 .

[0032] The main functions of the oil seal equipment combination are as follows:

[0033] 1) Lubricating oil heating (110℃) and dehydration function, automatic temperature control; the fan unit 20 is designed for when some manufacturers use recycled oil and the water content in the oil does not meet the standard, the lubricating oil is heated and dehydrated, and the fan unit 20 sends out the gas with water vapor.

[0034] 2) Upper and lower liquid level limit protection of lubricating oil tank, automatic liquid level control;

[0035] 3) The oil seal inside the engine system has a temperature of 50-60°C;

[0036] 4) The equipment is equipped with movable casters, which are flexible to move and can be braked.

[0037] Working principle of the equipment: The equipment combination consists of two parts: hydraulic oil seal system and pneumatic oil seal system;

[0038] ① Working principle of hydraulic oil seal system:

[0039] Start the motor (10) and the tubular heater (2), and the oil is output from the oil pump (11) → the return oil filter (14) → the pressure gauge (15) → the overflow valve (12) → the pressure regulating switch (13) → the return oil switch (9) → the pipeline switch (8). Open the return oil switch (9) to heat the oil in the internal circulation. When the temperature sensor (2) in the oil tank (7) detects that the oil temperature is 60°C (or 110°C), the temperature controller (4) turns off the power supply of the heater and stops heating. At this time, the oil temperature automatic control mode is entered. When the oil temperature is lower than 50°C, the heating continues. The overflow valve control system operates at a working pressure of 0.16 to 18Mpa. When the filter element of the return oil filter is blocked due to contamination, resulting in a difference of 0.35Mpa between the inlet and outlet, an alarm signal is issued, and the filter element should be cleaned or replaced. Turn off the heater power supply, connect the oil delivery hose to the oil delivery connector (19) and the engine interface, and then start the engine oil sealing operation. When the liquid level in the oil tank is lower than the set value, the liquid level controller (16) sends an alarm signal to stop the oil pump. When filling or replacing the oil in the tank, it can be done from the air filter and the oil return connector. When the oil is dehydrated and heated (110°C), the fan (20) can be operated to extract the water vapor in the oil tank out of the box.

[0040] The above description is only an embodiment of the present utility model, and does not limit the patent scope of the present utility model. Any equivalent transformation made by using the contents of the specification and drawings of the present utility model or directly or indirectly applied in the relevant technical field is also included in the patent protection scope of the present utility model.

Claims

1. A mobile aircraft engine hydraulic oil seal device, characterized in that: The device comprises an oil tank (7), an oil return joint (18), an oil delivery joint (19) and an equipment base (21); the upper part of the equipment base (21) is divided into two parts, one part is a fixed cover (22), a dashboard (23) is arranged on the inclined surface of the fixed cover (22), and the other part is a movable cover (24), and an oil tank (7) is arranged on the equipment base (21) inside the movable cover (24); the movable cover (24) is connected to the fixed cover (22) through a spring lock (25), a handle (26) is arranged on the movable cover (24), and a pair of fixed casters (27) and movable casters (28) are respectively arranged on both sides of the bottom of the equipment base (21); the oil tank (7) is connected to the oil return joint (18) and the oil delivery joint (19) arranged on the dashboard (23) through an oil pipe.

2. The mobile aircraft engine hydraulic oil seal device according to claim 1, characterized in that: An electrical box (29) is arranged on the equipment base (21) in the fixed cover (22); a front door (30) and a side door (31) are respectively arranged at the front end and one side of the fixed cover (22); and door locks (32) are respectively arranged at the front door (30) and the side door (31).

3. The mobile aircraft engine hydraulic oil seal device according to claim 1, characterized in that: Two ball valves (17) are provided on the pipeline connecting the oil return joint (18) and the oil tank (7).

4. The mobile aircraft engine hydraulic oil seal device according to claim 1, characterized in that: A sheath electric heater (2) is arranged in the oil tank (7), and the sheath electric heater (2) is connected to a temperature controller (4) and a temperature sensor (1).

5. The mobile aircraft engine hydraulic oil seal device according to claim 4, characterized in that: The oil tank is connected to a pipeline fan unit (20) via a pipeline.

6. The mobile aircraft engine hydraulic oil seal device according to claim 5, characterized in that: The oil tank (7) is provided with an opening, and an air filter (5) is provided at the opening.

7. The mobile aircraft engine hydraulic oil seal device according to claim 4, characterized in that: An oil pump (11) is arranged on the pipeline connected to the oil delivery connector (19); the oil pipe of the oil pump is connected to the oil tank; an oil suction filter (3) is arranged at the end of the connected pipeline; an oil filter (14) is arranged on the oil pipe between the oil pump (11) and the oil delivery connector (19); the oil filter (14) includes a pressure difference transmitter; and the oil pump (11) is connected to an electric motor (10).

8. The mobile aircraft engine hydraulic oil seal device according to claim 7, characterized in that: An oil circuit switch (8) is provided on the pipeline connected to the oil delivery connector (19); an oil pipe between the oil circuit switch (8) and the oil filter (14) is provided with a connecting oil return pipe; an oil return switch (9) is provided on the oil return pipe; the oil return pipe on one side of the oil return switch (9) is connected to a relief valve (12); the relief valve (12) is connected in parallel with a pressure regulating switch (13); and a pressure gauge (15) is connected on one side of the relief valve (12).

9. The mobile aircraft engine hydraulic oil seal device according to claim 8, characterized in that: The instrument panel (23) is provided with a liquid level controller (16), and the liquid level controller (16) controls the valve on the equipment.

10. The mobile aircraft engine hydraulic oil seal device according to claim 1, characterized in that: A liquid level gauge (6) is provided on one side of the oil tank 7; and an oil drain plug (33) is provided at the bottom (7) of the tank.

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