CN218030302U - Novel double-engine aircraft engine oil seal equipment - Google Patents
Novel double-engine aircraft engine oil seal equipment Download PDFInfo
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- CN218030302U CN218030302U CN202222260186.7U CN202222260186U CN218030302U CN 218030302 U CN218030302 U CN 218030302U CN 202222260186 U CN202222260186 U CN 202222260186U CN 218030302 U CN218030302 U CN 218030302U
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- 239000010705 motor oil Substances 0.000 title claims abstract description 22
- 239000003921 oil Substances 0.000 claims abstract description 380
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 40
- 239000007789 gas Substances 0.000 claims description 27
- 238000005070 sampling Methods 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 abstract description 16
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 230000010354 integration Effects 0.000 abstract description 5
- 238000000746 purification Methods 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010729 system oil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a novel two aircraft engine oil blanket equipment relates to aviation ground protection equipment technical field. The first oil seal system comprises an oil tank, a motor pump set, a one-way valve and an electromagnetic valve, wherein a heater is arranged in the oil tank, the motor pump set and the electromagnetic valve are sequentially connected in the oil liquid flowing direction through oil seal pipelines, and the one-way valve is arranged in parallel with the motor pump set through the oil seal pipelines; the tail end of the oil seal pipeline is connected with a self-circulation interface of the self-circulation pipeline unit, and the self-circulation pipeline unit is connected with the oil tank through a self-circulation pipeline; the pneumatic oil seal system comprises an air source pipeline, an air inlet, an air source switch, a pressure regulating valve and a pneumatic oil seal switch are sequentially arranged on the air source pipeline along the air flowing direction, and the air inlet is externally connected with a nitrogen cylinder; the second oil seal system is the same as the first oil seal system in structure, and the first oil seal system and the second oil seal system are both connected with the pneumatic oil seal system. The utility model discloses a two oil blanket systems, heating and oil blanket integration can use different fluid mediums.
Description
Technical Field
The utility model relates to an aviation ground protects equipment technical field particularly, relates to a novel two aircraft engine oil blanket equipment.
Background
Most of the existing aircraft engine oil sealing devices are used for single engines, oil sealing oil is a single oil medium, and a single oil sealing mode (pneumatic or electric) is mainly adopted, however, because some aircraft engines are divided into large-engine and small-engine double engines, oil sealing of the two engines is different, and oil sealing hydraulic systems are used for two different oil media, the single oil sealing mode cannot meet the requirement of the double engines; and requires manual operation by an operator and is complicated to operate.
Most oil blanket equipment divide into two equipment with fluid heating and oil blanket on the market, heats appointed oil blanket temperature to fluid with firing equipment earlier during the use, injects oil blanket equipment to the fluid injection of appointed temperature again of heating, then the aircraft engine that needs the oil blanket is injected into fluid to rethread oil blanket equipment. The existing equipment is complex to operate, all processes are manually controlled, and the equipment has a plurality of defects:
1. manual or semi-automatic equipment, it is higher to operating personnel's requirement, easy maloperation.
2. Oil seal oil is a single oil medium.
3. A single oil seal (pneumatic or electric) is used.
4. Heating and oil blanket are two single devices, and it is comparatively complicated to use.
Therefore, in view of the deficiencies of the prior art, it would be desirable to provide a novel dual engine oil seal apparatus that addresses the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel two aircraft engine oil blanket equipment, it can be to the weak point among the prior art, proposes solution, and this oil blanket equipment is dual system oil blanket equipment, and collection heating and oil blanket integration, and degree of automation is higher.
The embodiment of the utility model provides a novel double-engine aircraft engine oil seal equipment, which comprises a first oil seal system, a second oil seal system and a pneumatic oil seal system;
the first oil seal system comprises an electric oil seal pipeline unit and a self-circulation pipeline unit, the electric oil seal pipeline unit comprises an oil tank, a motor pump set, a one-way valve and an electromagnetic valve, a heater is arranged in the oil tank and connected with a PLC (programmable logic controller), the oil tank, the motor pump set and the electromagnetic valve are sequentially connected along the oil circulation direction through oil seal pipelines, and the one-way valve is arranged in parallel with the motor pump set through an oil seal pipeline; the tail end of the oil seal pipeline is connected with a self-circulation interface of the self-circulation pipeline unit through an oil outlet interface, the self-circulation pipeline unit is connected with the oil tank through a self-circulation pipeline, a third filter is arranged on the self-circulation pipeline, and the third filter is communicated with the oil tank;
the pneumatic oil seal system comprises an air source pipeline communicated with the oil tank, an air inlet, an air source switch, a pressure regulating valve and a pneumatic oil seal switch are sequentially arranged on the air source pipeline along the air flowing direction, and the air inlet is externally connected with a nitrogen cylinder;
the second oil seal system is the same as the first oil seal system in structure, and the first oil seal system and the second oil seal system are connected with the pneumatic oil seal system.
In some embodiments of the present invention, the pneumatic oil seal system further comprises a backup gas cylinder, a pressure gauge, a pressure limiting valve, a pressure relief switch and a fourth filter, the fourth filter is disposed at the air inlet, the backup gas cylinder is disposed at the air source switch and between the fourth filter, the pressure gauge is disposed on the air source pipeline and communicated with the backup gas cylinder and the air inlet, the pressure limiting valve and the pressure relief switch are respectively disposed on the pressure regulating valve and between the pneumatic oil seal switches through the mutually communicated air source pipelines.
In some embodiments of the present invention, the first oil sealing system, the second oil sealing system, the pneumatic oil sealing system and the PLC controller are all disposed on the frame.
The utility model discloses an in some embodiments, still be equipped with temperature sensor and level gauge in the oil tank, temperature sensor is connected with the PLC controller.
The utility model discloses an in some embodiments, the oil filler hole has been seted up on the oil tank, oil filler hole department is equipped with empty filter, empty filter with be equipped with the fuel filler valve between the oil tank.
In some embodiments of the present invention, a pressure control valve is disposed on the electric oil seal pipeline, and the pressure control valve is communicated with the self-circulation pipeline.
The utility model discloses an in some embodiments, still be equipped with pressure sensor and manometer on the oil blanket pipeline, the manometer and pressure sensor connects.
The utility model discloses an in some embodiments, still be equipped with first filter and second filter on the oil seal pipeline, first filter with the second filter connects gradually along fluid circulation direction.
In some embodiments of the present invention, the self-circulation pipeline unit further comprises a sampling port and an air cooler, the sampling port and the air cooler are both disposed on the self-circulation pipeline, and the sampling port is provided with a sampling valve.
The utility model discloses an in some embodiments, still be equipped with the reelpipe ware on the electronic oil blanket pipeline, the reelpipe ware is close to the terminal setting of electronic oil blanket pipeline.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
the utility model discloses a first oil blanket system, second oil blanket system and pneumatic oil blanket system; the first oil seal system comprises an electric oil seal pipeline unit and a self-circulation pipeline unit, the electric oil seal pipeline unit comprises an oil tank, a motor pump set, a one-way valve and an electromagnetic valve, a heater is arranged in the oil tank and connected with a PLC (programmable logic controller), the oil tank, the motor pump set and the electromagnetic valve are sequentially connected along the oil circulation direction through oil seal pipelines, and the one-way valve is arranged in parallel with the motor pump set through an oil seal pipeline; the tail end of the oil seal pipeline is connected with a self-circulation interface of the self-circulation pipeline unit through an oil outlet interface, the self-circulation pipeline unit is connected with the oil tank through a self-circulation pipeline, a third filter is arranged on the self-circulation pipeline, and the third filter is communicated with the oil tank; the pneumatic oil seal system comprises an air source pipeline communicated with the oil tank, an air inlet, an air source switch, a pressure regulating valve and a pneumatic oil seal switch are sequentially arranged on the air source pipeline along the air flowing direction, and the air inlet is externally connected with a nitrogen cylinder; the second oil seal system is the same as the first oil seal system in structure, and the first oil seal system and the second oil seal system are connected with the pneumatic oil seal system. The oil seal equipment of the utility model can use two different oil media by arranging two oil seal systems, thereby meeting different requirements of the twin-engine; the oil-liquid medium is subjected to high-temperature dewatering through a heater in an oil tank, the oil outlet interface is connected with the self-circulation unit, self-circulation purification of oil can be realized through a filter in the self-circulation unit, the oil outlet interface and the self-circulation interface are disconnected with an oil circuit interface of an engine after purification is finished, oil sealing can be performed, and specifically, the oil-liquid medium in the oil tank is conveyed to the engine through a solenoid valve through a motor pump set for oil sealing, wherein the solenoid valve is used for controlling oil interruption; through setting up pneumatic oil blanket system, can carry out emergent oil blanket under the special condition that does not have the electricity, through external nitrogen cylinder, decompress the nitrogen cylinder to the oil tank, make the oil tank pressure boost, extrude fluid through boost pressure, through check valve, solenoid valve to engine to carry out the oil blanket. The utility model discloses an oil blanket equipment adopts two oil blanket systems, and heating and oil blanket integration can satisfy the not demand that equidimension twin engine used different fluid medium, realizes two kinds of functions of electronic oil blanket and pneumatic oil blanket through the pneumatic oil blanket system that adds, and can realize the self-loopa purification of fluid medium from the circulation pipeline unit.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is the overall structure schematic diagram of the novel two aircraft engine oil seal equipment in the embodiment of the utility model.
Reference numerals are as follows: 1. a first oil seal system; 2. a second oil seal system; 3. a pneumatic oil seal system; 300. a gas source pipeline; 301. an air inlet; 302. an air source switch; 303. a pressure regulating valve; 304. a pneumatic oil seal switch; 305. a standby gas cylinder; 306. a pressure gauge; 307. a pressure limiting valve; 308. a pressure relief switch; 309. a fourth filter; 100. an oil tank; 101. a motor-pump unit; 102. a one-way valve; 103. an electromagnetic valve; 104. a pressure sensor; 105. a pressure gauge; 106. a pressure control valve; 107. a first filter; 108. a second filter; 109. oil-sealed pipelines; 110. an oil outlet interface; 111. a self-circulation interface; 112. a self-circulation pipeline; 113. a third filter; 114. a heater; 115. a temperature sensor; 116. a liquid level meter; 117. an air filter; 118. an oil filling valve; 119. a sampling valve; 120. an oil drain valve; 121. a pipe coiling device; 122. a wind cooler; 123. and a ventilation valve.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, it is only for convenience of description of the present invention and simplification of description, but not for indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, the present invention should not be construed as being limited thereby. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
Referring to fig. 1, fig. 1 is a schematic view of an overall structure of a novel dual-engine aircraft engine oil seal device in an embodiment of the present invention;
the utility model provides a novel two aircraft engine oil blanket equipment that send out specifically includes: the system comprises a first oil seal system 1, a second oil seal system 2 and a pneumatic oil seal system 3;
the first oil seal system 1 comprises an electric oil seal pipeline 109 unit and a self-circulation pipeline 112 unit, wherein the electric oil seal pipeline 109 unit comprises an oil tank 100, a motor pump set 101, a one-way valve 102 and an electromagnetic valve 103, a heater 114 is arranged in the oil tank 100, the heater 114 is connected with a PLC (programmable logic controller), the oil tank 100, the motor pump set 101 and the electromagnetic valve 103 are sequentially connected along the oil liquid circulation direction through the oil seal pipeline 109, and the one-way valve 102 is arranged in parallel with the motor pump set 101 through the oil seal pipeline 109; the tail end of the oil seal pipeline 109 is connected with a self-circulation interface 111 of a self-circulation pipeline 112 unit through an oil outlet interface 110, the self-circulation pipeline 112 unit is connected with the oil tank 100 through a self-circulation pipeline 112, a third filter 113 is arranged on the self-circulation pipeline 112, and the third filter 113 is communicated with the oil tank 100;
the pneumatic oil seal system 3 comprises an air source pipeline 300 communicated with the oil tank 100, an air inlet 301, an air source switch 302, a pressure regulating valve 303 and a pneumatic oil seal switch 304 are sequentially arranged on the air source pipeline 300 along the air flowing direction, and the air inlet 301 is externally connected with a nitrogen cylinder;
the second oil seal system 2 is the same as the first oil seal system 1 in structure, and the first oil seal system 1 and the second oil seal system 2 are both connected with the pneumatic oil seal system 3.
The utility model discloses a first oil seal system 1, a second oil seal system 2 and a pneumatic oil seal system 3; the first oil seal system 1 comprises an electric oil seal pipeline 109 unit and a self-circulation pipeline 112 unit, wherein the electric oil seal pipeline 109 unit comprises an oil tank 100, a motor pump set 101, a one-way valve 102 and an electromagnetic valve 103, a heater 114 is arranged in the oil tank 100, the heater 114 is connected with a PLC (programmable logic controller), the oil tank 100, the motor pump set 101 and the electromagnetic valve 103 are sequentially connected along the oil liquid circulation direction through the oil seal pipeline 109, and the one-way valve 102 is arranged in parallel with the motor pump set 101 through the oil seal pipeline 109; the tail end of the oil seal pipeline 109 is connected with a self-circulation interface 111 of a self-circulation pipeline 112 unit through an oil outlet interface 110, the self-circulation pipeline 112 unit is connected with the oil tank 100 through a self-circulation pipeline 112, a third filter 113 is arranged on the self-circulation pipeline 112, and the third filter 113 is communicated with the oil tank 100; the pneumatic oil seal system 3 comprises an air source pipeline 300 communicated with the oil tank 100, an air inlet 301, an air source switch 302, a pressure regulating valve 303 and a pneumatic oil seal switch 304 are sequentially arranged on the air source pipeline 300 along the air flowing direction, and the air inlet 301 is externally connected with a nitrogen cylinder; the second oil seal system 2 is the same as the first oil seal system 1 in structure, and the first oil seal system 1 and the second oil seal system 2 are both connected with the pneumatic oil seal system 3. The oil seal equipment of the utility model can use two different oil media by arranging two oil seal systems, thereby meeting different requirements of the twin-engine; the oil medium is subjected to high-temperature dewatering through a heater 114 in the oil tank 100, the oil outlet port 110 is connected with the self-circulation unit, self-circulation purification of the oil can be realized through a filter in the self-circulation unit, the oil outlet port 110 and the self-circulation port 111 are disconnected with an oil way port of an engine after purification is finished, oil sealing can be performed, specifically, the oil medium in the oil tank 100 is conveyed to the engine for oil sealing through an electromagnetic valve 103 through a motor pump set 101, wherein the electromagnetic valve 103 is used for controlling oil interruption; through setting up pneumatic oil blanket system 3, can emergent oil blanket under the special circumstances that does not have the electricity, through external nitrogen cylinder, decompress the nitrogen cylinder to oil tank 100, make oil tank 100 pressure boost, through the boost pressure to fluid extrusion, through check valve 102, solenoid valve 103 to engine to carry out the oil blanket. The utility model discloses an oil blanket equipment adopts two oil blanket systems, and heating and oil blanket integration can satisfy the not demand that equidimension twin engine used different fluid media, realizes two kinds of functions of electronic oil blanket and pneumatic oil blanket through the pneumatic oil blanket system 3 that adds, and can realize the self-loopa purification of fluid medium from circulation pipeline 112 unit.
Next, a description will be further given of a novel dual engine oil seal device in the present exemplary embodiment.
In an implementation manner as one of the embodiments, the oil sealing device includes a first oil sealing system 1, a second oil sealing system 2, and a pneumatic oil sealing system 3, the first oil sealing system 1 and the second oil sealing system 2 have the same structure and are both connected to the pneumatic oil sealing system 3, the first oil sealing system 1, the second oil sealing system 2, and the pneumatic oil sealing system 3 are all installed in a frame, and a roller is disposed at the bottom of the frame for facilitating movement.
In an implementation manner in this embodiment, the first oil sealing system 1 includes an electric oil sealing pipeline 109 unit and a self-circulation pipeline 112 unit, the electric oil sealing pipeline 109 unit includes an oil tank 100, a motor-pump set 101, a check valve 102 and an electromagnetic valve 103, the check valve 102 is used for one-way passage of oil, the electromagnetic valve 103 is used for controlling on/off of oil, an oil filling port is formed on the oil tank 100, an air filter 117 is arranged at the oil filling port, an oil filling valve 118 is arranged between the air filter 117 and the oil tank 100, an oil outlet is formed at the bottom of the oil tank 100, an oil drain valve 120 is arranged at the oil outlet, and the oil filling valve 118 and the oil drain valve 120 are respectively used for controlling filling oil and draining oil; the heater 114 is arranged in the oil tank 100, the heater 114 is connected with the PLC, the PLC is arranged in the frame, the oil tank 100 is further internally provided with a temperature sensor 115 and a liquid level meter 116, the temperature sensor 115 is connected with the PLC and is mainly used for high-temperature dewatering of oil, the heater 114 is used for heating oil medium, moisture in the oil tank 100 is fully gasified and separated out, the water content is reduced, the temperature sensor 115 is used for detecting the oil temperature and transmitting a detection signal to the PLC, the heating temperature of the heater 114 is controlled by the PLC, and automatic high-temperature dewatering is achieved. The liquid level meter 116 is disposed on a side wall of the oil tank 100, and is used for detecting the content of the oil in the oil tank 100, and externally displaying the level of the oil in the oil tank 100, so as to facilitate observation of the residual amount of the oil in the oil tank 100 and timely refueling. The oil tank 100 is further provided with an air vent, the air vent is provided with an air vent valve 123, and the air vent valve 123 controls the opening and closing of the air vent and is used for ventilating the oil tank 100.
In a concrete realization, heater 114 heats fluid to more than 100 ℃, and last a period, let the moisture in the oil tank 100 fluid fully gasify and separate out, reach the demand that reduces water content in the fluid, whole journey only need press the dewatering button can, the dewatering button sets up in the PLC controller outside, and be connected with the PLC controller, opening of oil tank 100 temperature sensor 115 feedback temperature gives PLC control heater 114 stops, through the PLC automatic control oil temperature, equipment self-closing dewatering function after the dewatering is accomplished.
The oil tank 100, the motor pump set 101 and the electromagnetic valve 103 are sequentially connected in an oil seal pipeline 109 along an oil liquid flowing direction, the one-way valve 102 is arranged in parallel with the motor pump set 101 through the oil seal pipeline 109, the oil seal pipeline 109 is also provided with a first filter 107 and a second filter 108, the first filter 107 and the second filter 108 are sequentially connected in the oil liquid flowing direction and are arranged between the electromagnetic valve 103 and the one-way valve 102, and the filters are mainly used for filtering oil liquid and improving the level of the pollution degree of solid particles of oil liquid; the tail end of the oil seal pipeline 109 is connected with a self-circulation interface 111 of a self-circulation pipeline 112 unit through an oil outlet interface 110, the self-circulation pipeline 112 unit is connected with the oil tank 100 through a self-circulation pipeline 112, a third filter 113 is arranged on the self-circulation pipeline 112, the third filter 113 is communicated with the oil tank 100, the self-circulation pipeline 112 unit further comprises a sampling port and an air cooler 122, the sampling port and the air cooler 122 are both arranged on the self-circulation pipeline 112, and a sampling valve 119 is arranged at the sampling port. The air cooler 122 is disposed on the self-circulation pipeline 112, and specifically, the air cooler 122 may include a heat sink and a heat dissipation fan, the heat sink is disposed on the self-circulation pipeline 112, and the self-circulation pipeline 112 unit is mainly used for performing self-circulation purification on the oil medium before oil sealing, so as to ensure the purity of the oil medium during oil sealing.
In the case where the electric oil seal is used for normal power supply, the electric oil seal is generally used after high-temperature dewatering and self-circulation are completed.
In a specific implementation, an oil outlet interface 110 of an oil seal pipeline 109 is connected (manually connected) with a self-circulation interface 111 of a self-circulation pipeline 112, a motor pump unit 101 is started, an oil medium in an oil tank 100 flows circularly through the motor pump unit 101, an electromagnetic valve 103, the oil outlet interface 110, the self-circulation interface 111 and a third filter 113 in sequence and then is conveyed back to the oil tank 100, the third filter 113 filters and purifies the oil medium, the oil medium is sampled through a sampling valve 119 after self-circulation is performed for 2-4 hours in the oil seal pipeline 109 and the self-circulation pipeline 112, and then the oil medium is sent to a laboratory for detection, so that the oil seal can be performed after the pollution degree level of the oil medium reaches the standard. When electric oil sealing is carried out, the oil outlet interface 110 and the self-circulation interface 111 are disconnected, the oil outlet interface 110 of the oil sealing pipeline 109 is connected to an oil way interface of an engine (manually connected), the motor-pump set 101 is started to carry out oil sealing on the engine, specifically, the motor-pump set 101 pumps out oil in the oil tank 100, and the oil is filtered by the first filter 107 and the second filter 108 and flows to the engine through the electromagnetic valve 103 to carry out oil sealing on the engine.
In one embodiment of this embodiment, a pressure control valve 106 is provided on the oil seal line 109, the pressure control valve 106 is communicated with the self-circulation line 112, and the pressure control valve 106 is used for pressure control of the equipment oil seal system.
In an implementation manner of this embodiment, the oil-sealed pipeline 109 is further provided with a pressure sensor 104 and a pressure gauge 306, and the pressure gauge 306 is connected to the pressure sensor 104. The pressure sensor 104 is used for detecting the oil pressure of the oil seal pipeline 109 and displaying the oil pressure through the pressure gauge 306, namely displaying the oil seal pressure.
In one embodiment of this embodiment, a pipe roller 121 is further disposed on the oil-sealed pipeline 109, the pipe roller 121 is disposed near the end of the electric oil-sealed pipeline 109, and the pipe roller 121 is used for winding the oil-sealed pipeline 109.
In an embodiment of the present embodiment, the pneumatic oil seal system 3 includes an air supply line 300 communicated with the oil tank 100, the air supply line 300 is sequentially provided with an air inlet 301, an air supply switch 302, a pressure regulating valve 303 and a pneumatic oil seal switch 304 along an air flowing direction, and the air inlet 301 is externally connected with a nitrogen cylinder.
It should be noted that, the pneumatic oil seal system 3 is used for emergency oil sealing under special circumstances without electricity, and reduces the pressure of a nitrogen cylinder to the oil tank 100 by externally connecting the nitrogen cylinder, so that the oil tank 100 is pressurized, and oil is pressed out to the engine by the pressurization pressure.
As an example, the merchant pneumatic oil seal system 3 further includes a spare gas cylinder 305, a pressure gauge 306, a pressure limiting valve 307, a pressure relief switch 308 and a fourth filter 309, the fourth filter 309 is disposed at the gas inlet 301, the spare gas cylinder 305 is disposed between the gas source switch 302 and the fourth filter 309, the spare gas cylinder 305 stores spare gas, the pressure gauge 306 is disposed on the gas source pipeline 300 and is communicated with the spare gas cylinder 305 and the gas inlet 301, the pressure limiting valve 307 and the pressure relief switch 308 are respectively disposed between the pressure regulating valve 303 and the pneumatic oil seal switch 304 through the mutually communicated gas source pipelines 300, the pressure limiting valve 307 is used for limiting the maximum pressure of gas injected into the oil tank 100, and the pressure relief switch 308 is used for relieving the pressure of the gas system.
In a specific implementation, the pneumatic oil seal switch 304 and the gas source switch 302 are turned on, nitrogen in an external nitrogen cylinder is filtered by the fourth filter 309, gas pressure is adjusted by the pressure adjusting valve 303, then the gas is conveyed into the oil tank 100, so that the oil tank 100 is pressurized, oil is pressed out to the oil seal pipeline 109 under the action of the pressure in the oil tank 100, flows into an engine through the check valve 102, the first filter 107, the second filter 108 and the electromagnetic valve 103, and finally is subjected to oil seal of the engine, and the spare gas cylinder 305 is used when an external nitrogen cylinder is inconvenient to use, so that an oil seal system can be started to timely perform oil seal on the engine in an emergency situation.
It should be noted that, the second oil seal system 2 has the same structure as the first oil seal system 1, is symmetrically arranged in the frame with the first oil seal system 1, and is connected with the start oil seal system, that is, the two oil seal systems can be independently controlled to independently seal oil, the flexibility is high, and the automation is high, wherein the two oil seal systems are respectively controlled by one pneumatic oil seal switch 304 to open and close the air source pipeline 300.
The utility model has the advantages that:
through setting up two oil blanket systems, realize dual system oil blanket, can use two kinds of fluid media, satisfy the user demand of twin engine.
Through the combination of the pneumatic oil seal system 3 and the electric oil seal, two functions of the electric oil seal and the pneumatic oil seal can be realized, and the pneumatic oil seal serves as a standby oil seal system and is subjected to emergency oil seal in the absence of electricity.
The heater 114 and the temperature sensor 115 arranged in the oil tank 100 realize the integration of heating and oil sealing, and have the function of automatic high-temperature dewatering.
The pressure control valve 106 on the oil seal pipeline 109 and the physical safety valves such as the pressure regulating valve 303 and the pressure limiting valve 307 on the air source pipeline 300 ensure that the closed mode of the equipment oil tank 100 does not generate overpressure, and the safety of oil seal is ensured.
Through PLC controller automatic control high temperature dewatering to and control the work of motor pump package 101, improve equipment automation, equipment operation is simple.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A novel double-engine aircraft engine oil seal device is characterized by comprising a first oil seal system, a second oil seal system and a pneumatic oil seal system;
the first oil seal system comprises an electric oil seal pipeline unit and a self-circulation pipeline unit, the electric oil seal pipeline unit comprises an oil tank, a motor pump set, a one-way valve and an electromagnetic valve, a heater is arranged in the oil tank and connected with a PLC (programmable logic controller), the oil tank, the motor pump set and the electromagnetic valve are sequentially connected along the oil flow direction through oil seal pipelines, and the one-way valve is connected with the motor pump set in parallel through an oil seal pipeline; the tail end of the oil seal pipeline is connected with a self-circulation interface of the self-circulation pipeline unit through an oil outlet interface, the self-circulation pipeline unit is connected with the oil tank through a self-circulation pipeline, a third filter is arranged on the self-circulation pipeline, and the third filter is communicated with the oil tank;
the pneumatic oil seal system comprises an air source pipeline communicated with the oil tank, an air inlet, an air source switch, a pressure regulating valve and a pneumatic oil seal switch are sequentially arranged on the air source pipeline along the air flowing direction, and the air inlet is externally connected with a nitrogen cylinder;
the second oil seal system is the same as the first oil seal system in structure, and the first oil seal system and the second oil seal system are connected with the pneumatic oil seal system.
2. The novel dual-engine aircraft engine oil sealing device as claimed in claim 1, wherein the pneumatic oil sealing system further comprises a spare gas cylinder, a pressure gauge, a pressure limiting valve, a pressure relief switch and a fourth filter, the fourth filter is arranged at the air inlet, the spare gas cylinder is arranged between the gas source switch and the fourth filter, the pressure gauge is arranged on the gas source pipeline and communicated with the spare gas cylinder and the air inlet, and the pressure limiting valve and the pressure relief switch are respectively arranged between the pressure regulating valve and the pneumatic oil sealing switch through mutually communicated gas source pipelines.
3. The novel dual-engine aircraft engine oil seal device according to claim 1, wherein the first oil seal system, the second oil seal system, the pneumatic oil seal system and the PLC are all arranged on a frame.
4. The novel dual-engine aircraft engine oil sealing device as claimed in claim 3, wherein a temperature sensor and a liquid level meter are further arranged in the oil tank, and the temperature sensor is connected with the PLC.
5. The novel dual-engine aircraft engine oil seal device as claimed in claim 1, wherein an oil filler is provided on the oil tank, an air filter is provided at the oil filler, and an oil filler valve is provided between the air filter and the oil tank.
6. The novel dual-engine aircraft engine oil seal device according to claim 1, wherein a pressure control valve is arranged on the oil seal pipeline, and the pressure control valve is communicated with the self-circulation pipeline.
7. The novel double-engine aircraft engine oil sealing device as claimed in claim 1, wherein a pressure sensor and a pressure gauge are further arranged on the oil sealing pipeline, and the pressure gauge is connected with the pressure sensor.
8. The novel dual-engine aircraft engine oil seal device according to claim 1, wherein a first filter and a second filter are further arranged on the oil seal pipeline, and the first filter and the second filter are sequentially connected in the oil flow direction.
9. The novel dual-engine oil seal device as claimed in claim 1, wherein the self-circulation pipeline unit further comprises a sampling port and an air cooler, the sampling port and the air cooler are both arranged on the self-circulation pipeline, and a sampling valve is arranged at the sampling port.
10. The novel dual-engine aircraft engine oil seal device as claimed in claim 1, wherein a pipe winder is further arranged on the oil seal pipeline, and the pipe winder is arranged close to the tail end of the electric oil seal pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222260186.7U CN218030302U (en) | 2022-08-26 | 2022-08-26 | Novel double-engine aircraft engine oil seal equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222260186.7U CN218030302U (en) | 2022-08-26 | 2022-08-26 | Novel double-engine aircraft engine oil seal equipment |
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| CN218030302U true CN218030302U (en) | 2022-12-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355062A (en) * | 2022-08-26 | 2022-11-18 | 成都斯孚凯科技有限公司 | Novel double-engine oil seal equipment |
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2022
- 2022-08-26 CN CN202222260186.7U patent/CN218030302U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355062A (en) * | 2022-08-26 | 2022-11-18 | 成都斯孚凯科技有限公司 | Novel double-engine oil seal equipment |
| CN115355062B (en) * | 2022-08-26 | 2026-01-30 | 成都斯孚凯科技有限公司 | A twin-engine aircraft engine oil sealing device |
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