CN217206666U - Aircraft engine ground fuel feeding equipment - Google Patents
Aircraft engine ground fuel feeding equipment Download PDFInfo
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- CN217206666U CN217206666U CN202220885557.8U CN202220885557U CN217206666U CN 217206666 U CN217206666 U CN 217206666U CN 202220885557 U CN202220885557 U CN 202220885557U CN 217206666 U CN217206666 U CN 217206666U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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Abstract
The utility model relates to a ground oil supply device for an aircraft engine, which comprises an oil supply system, an electrical system and a cart body; the oil supply system comprises an oil supply pipeline, wherein the input end of the oil supply pipeline is communicated with the oil tank, and the output end of the oil supply pipeline can be connected with an oil input port of the aircraft engine; the motor pump, the energy accumulator, the filtering unit, the throttle valve and the oil injection pressure gauge are sequentially arranged on the oil supply pipeline along the oil supply direction; the three branches are respectively a safety branch, a pressure regulating branch and a pressure relief branch which are connected between the oil supply pipeline and the oil tank in parallel; the safety branch, the pressure regulating branch and the pressure relief branch are respectively and correspondingly provided with a safety valve, a pressure regulating valve and a pressure relief valve; the oil injection pressure gauge, the throttle valve, the pressure regulating valve and the safety valve are respectively and electrically connected with the PLC. This scheme adopts the higher oil feeding system of security performance and structural layout, enables the fuel feeding pressure more stable, realizes that oil circuit keeps apart, and the security is higher.
Description
Technical Field
The utility model relates to an aeroengine technical field, concretely relates to aircraft engine ground fuel feeding equipment.
Background
When the airplane is parked and maintained on the ground, the engine needs to be checked on the ground. The device can provide pressure source for operating the rotating blades of the guider and the nozzle adjusting sheet of the low-pressure and high-pressure compressor on the ground under the condition that the engine does not work, and the ground inspection and related tests of the engine are completed in a matching mode.
When the engine is checked or a relevant engine experiment is carried out under the condition that the engine does not work, fuel oil with certain pressure needs to be injected into an oil inlet of the engine. However, when fuel is pressurized and output, the pressure does not necessarily just meet the required pressure of the engine, so that the pressure needs to be adjusted, the pressure adjustment mode of the existing equipment is mostly manual adjustment, and the stability of the used pressure adjusting valve is poor, so that the stability of the fuel pressure during fuel supply is poor; and structurally, the components and parts overall arrangement of current equipment is chaotic, and the electric box is installed in the motor top, leads to the difficult dismouting after the motor damages, and supply oil pipe way and electric line crisscross, and equipment does not have oil temperature control, and equipment security is poor.
Therefore, in order to solve the problems, the ground oil supply equipment for the aircraft engine is designed, so that the oil supply pressure is more stable, the oil circuit isolation is realized, and the safety of the equipment is higher.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide an aircraft engine ground fuel feeding equipment, adopt the higher oil feeding system of security performance and structural layout, enable oil supply pressure more stable, realize that the circuit oil circuit keeps apart, and the security is higher.
The purpose of the utility model is realized through the following technical scheme:
an aircraft engine ground fuel supply apparatus comprising a fuel supply system;
the oil supply system comprises an oil supply pipeline, wherein the input end of the oil supply pipeline is communicated with the oil tank, and the output end of the oil supply pipeline can be connected with an oil input port of the aircraft engine through an engine-to-engine joint;
the motor pump, the energy accumulator, the filtering unit, the throttle valve and the oil injection pressure gauge are sequentially arranged on the oil supply pipeline along the oil supply direction;
the three branches are respectively a safety branch, a pressure regulating branch and a pressure relief branch which are connected between the oil supply pipeline and the oil tank in parallel;
the safety branch, the pressure regulating branch and the pressure relief branch are respectively and correspondingly provided with a safety valve, a pressure regulating valve and a pressure relief valve;
the oil injection pressure gauge, the throttle valve, the pressure regulating valve and the safety valve are respectively and electrically connected with the PLC.
Furthermore, the filtering unit comprises a coarse filtering filter and a fine filtering filter which are arranged in sequence along the oil supply direction;
one ends of the safety branch, the pressure regulating branch and the pressure relief branch are connected in parallel between the fine filter and the throttle valve;
and a one-way valve is also arranged between the coarse filtration filter and the energy accumulator.
Further, the output end of the oil supply pipeline is communicated with the electromagnetic directional valve;
an oil filling port of the electromagnetic directional valve can be connected with an oil input port of an aircraft engine through a first oil filling hose and a machine-to-machine joint; the input port can be communicated with an aircraft oil return pipe through an oiling hose II, and the other end of the input port is communicated with an oil tank through a circulating pipeline.
Furthermore, the oil tank is also provided with a liquid level meter and a temperature sensor for detecting the liquid level and the temperature of the oil in the oil tank.
Furthermore, a sampling valve is arranged between the oil injection pressure gauge and the electromagnetic directional valve on the oil supply pipeline.
Further, the oil supply system is installed in the oil supply vehicle;
the oil supply vehicle comprises a cart body;
the upper part of the cart body is provided with an electric room and an oil supply room, the bottom of the cart body is provided with wheels, and the front part of the cart body is provided with a cart handle;
the PLC controller is installed in the electric chamber, and the oil supply system is arranged in the oil supply chamber;
the electrical chamber is arranged on the left front side of the oil supply chamber and is separated from the oil supply chamber through an electrical partition.
Furthermore, a control panel is arranged on the top of the electrical room;
the control panel is provided with an electromagnetic valve reversing knob, a power supply button, an oil pump starting button and an oil pump stopping button, and the electromagnetic valve reversing knob and the power supply button, the oil pump starting button and the oil pump stopping button are respectively and electrically connected with the PLC;
and an operation panel protective cover is arranged above the control panel, a top cover is arranged at the top of the oil supply chamber, and the operation panel protective cover and the top cover are both provided with air spring support rods.
The utility model has the advantages that:
(1) according to the scheme, the pressure of oil output by the oil supply pipeline is regulated and controlled by the safety branch, the pressure regulating branch and the pressure relief branch, so that the oil supply pressure is more stable, and the safety of components on the pressure regulating branch, the pressure relief branch and the oil supply pipeline can be guaranteed;
(2) the oil tank is provided with the liquid level meter and the temperature sensor, so that the temperature and the surplus of oil in the oil tank can be monitored, accidents caused by overhigh temperature of fuel oil used by an engine can be prevented, and the safety of equipment is further improved;
(3) the electric system and the oil supply system are respectively installed in the electric room and the oil supply room, so that circuit oil way isolation is realized, and the safety of equipment is improved.
Drawings
FIG. 1 is a schematic diagram of an oil supply system of the present invention;
FIG. 2 is an electrical control phase sequence detection diagram of the present invention;
fig. 3 is an electrical control schematic diagram of the present invention;
FIG. 4 is a schematic view of the oil supply vehicle of the present invention;
fig. 5 is a schematic view of a fixing mechanism in an embodiment of the present invention;
in the figure: 1. an oil supply vehicle; 3. an oil supply system; 4. a one-way valve; 5. an accumulator; 7. an oil tank; 8. an electromagnetic directional valve; 9. a throttle valve; 10. an oil injection pressure gauge; 11. a pressure regulating valve; 12. a safety valve; 13. a pressure relief valve; 15. a first oil injection hose; 16. a second oil injection hose; 17. a sampling valve; 19. a motor pump; 20. a ball valve; 21. oil absorption and filtration; 101. an electrical room; 102. an oil supply chamber; 103. a wheel; 104. a cart handle; 106. a control panel; 107. an operation panel protection cover; 108. a top cover; 109. a gas spring support rod; 601. coarse filtration and filtration; 602. a fine filtration filter; 701. a liquid level meter; 702. a temperature sensor; 801. an oil filling port; 802. an input port; a. an oil supply line; b. a safety branch; c. a voltage regulating branch circuit; d. a pressure relief branch; e. a circulation line; 201. placing a bracket; 202. an L-shaped fixing plate; 203. an L-shaped moving plate; 204. a slider; 205. a threaded rod; 206. an elastic pad.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1 to 5, an aircraft engine ground oil supply device comprises an oil supply vehicle 1, an electrical system and an oil supply system 3, wherein the electrical system and the oil supply system 3 are respectively installed in the oil supply vehicle 1; the oil supply system 3 mainly comprises an oil supply pipeline a, a safety branch b, a pressure regulating branch c, a pressure relief branch d and components arranged on the pipelines; wherein, the input end of the oil supply pipeline a is communicated with the oil tank 7, and the output end is communicated with the electromagnetic directional valve 8; the oil filling port 801 of the electromagnetic directional valve 8 can be connected with an oil input port of an aircraft engine through a first oil filling hose 15 and a machine-to-machine joint, so that fuel oil can be filled into the oil filling port of the engine; the input port 802 of the electromagnetic directional valve 8 can be communicated with an aircraft oil return pipe through the second oiling hose 16, so that fuel oil injected into the engine can be discharged after the engine inspection is finished, and the other end of the input port 802 is communicated with the oil tank 7 through the circulating pipeline e, so that the fuel oil discharged from the engine can be circulated back into the oil tank 7 through the electromagnetic directional valve 8 again.
As shown in fig. 1, a throttle valve 9 and an oil filling pressure gauge 10 are arranged in an oil supply pipeline a along the oil supply direction; the safety branch b, the pressure regulating branch c and the pressure relief branch d are connected in parallel between the oil supply pipeline a and the oil tank 7, and the safety branch b, the pressure regulating branch c and the pressure relief branch d are respectively and correspondingly provided with a safety valve 12, a pressure regulating valve 11 and a pressure relief valve 13.
Meanwhile, the oil injection pressure gauge 10, the throttle valve 9, the pressure regulating valve 11 and the safety valve 12 are respectively electrically connected with the PLC; the real-time pressure value of oiling manometer 10 detectable output fluid to give the PLC controller with real-time pressure value information transfer, when the oiling pressure value did not surpass the safe value scope, the PLC controller is according to the real-time control air-vent valve 11 of the pressure value of gathering, and air-vent valve 11 adjusts the fluid pressure power, thereby can guarantee that output fluid pressure power is in 1 ~ 6 MPa's within range. When the pressure value of oiling is too high, when needing to carry out the pressure release, PLC controller control opens relief valve 12, discharges into oil tank 7 with fluid from safety branch b to cut off choke valve 9 and air-vent valve 11, be convenient for prevent to damage components and parts such as air-vent valve 11, oiling manometer 10. In the scheme, the pressure relief pressure is set to be 6-7 MPa.
In this embodiment, the oil supply pipeline a is further provided with a motor pump 19, an energy accumulator 5, a one-way valve 4, a coarse filter 601 and a fine filter 602 in sequence along the oil supply direction; the aviation fuel is input into an oil supply pipeline a through a motor pump 19, after the pressure is stabilized by an energy accumulator 5, the aviation fuel is input into a filtering unit consisting of a rough filtering filter 601 and a fine filtering filter 602 through a one-way valve 4 for filtering; then, the oil is finally input into the engine from the oil filling port 801 through the electromagnetic directional valve 8, and meanwhile, the oil can be circularly filtered through the electromagnetic directional valve 8.
In this scheme, on fuel feeding line a, still be equipped with sampling valve 17 between oiling manometer 10 and the solenoid directional valve 8, sampling valve 17 can provide the fluid after the filtration, conveniently carries out chemical examination inspection to fluid.
Further, a liquid level meter 701 and a temperature sensor 702 are also arranged on the oil tank 7; the oil injection pressure gauge 10 can reflect the pressure of aviation fuel output by the oil pump truck, and the temperature sensor 702 can monitor the temperature of oil in the oil tank 7 to prevent accidents caused by overhigh temperature of the fuel used by the engine; the liquid level meter 701 can monitor the remaining amount of the oil in the oil tank 7 in real time.
Further, a ball valve 20 is further arranged between the oil tank 7 and the motor pump 19 at the front end of the oil supply pipeline a, an oil suction filter 21 is arranged in the oil tank 7, and an oil drain valve is arranged at the bottom of the oil tank 7.
Preferably, the pressure regulating valve 11 is a proportional relief valve, and the motor pump 19 is a gear pump motor set.
The electrical control system of the scheme adopts PLC control, namely a PLC controller; each component of the oil supply system is electrically connected with the PLC;
the electrical system is mainly responsible for supplying power to the equipment and controlling electrical elements, and the equipment adopts an AC380V50Hz power supply.
As shown in fig. 2 and 3, the electrical system of the device mainly comprises a circuit breaker, an alternating current contactor, an intermediate relay, a power supply button, a PLC controller, a temperature controller, a button with a lamp, a 'solenoid valve reversing' knob, a cable, a distribution box and the like; the temperature control instrument comprises a temperature digital display meter and a temperature sensor; the lighted buttons include a power button, an "oil pump start" and an "oil pump stop" button.
Supplying power to the equipment distribution box through a ground power cable; and the equipment uses the phase sequence detection controller, can guarantee the corotation output of the three-phase motor of equipment, and when the external three-phase power supply takes place excessive pressure or undervoltage, protects the equipment, and the block terminal supplies power to three-phase motor, solenoid directional valve and control system respectively.
The input signal of the electrical control system of the equipment is a digital input signal, the external signal is collected and analyzed by the processor, the temperature value of the oil tank of the equipment is displayed, and the system operates according to a preset control program.
In this scheme, the circuit breaker, ac contactor, auxiliary relay, the PLC controller, the temperature controller, the cable, wait the component setting in electric room 101, electric room 101 top is equipped with control panel 106, "solenoid valve switching-over" knob, the power button, the digital display of temperature table, alarm indicator, oil pump start "and" oil pump stop "button all set up on control panel 106, and" solenoid valve switching-over "knob, the power button, the digital display of temperature table, alarm indicator, oil pump start" and "oil pump stop" button all with PLC controller electrical connection.
When the device is used, after an external cable is connected to a power supply, a power button of the device is pressed, the device is already in a power-on state, and a state indicator lamp with a lamp button of the power button is always on.
The "solenoid valve reversing" knob is used to adjust the solenoid reversing valve 8, so as to control the hydraulic circuit of the apparatus according to the actual requirements of use.
The 'oil pump start' and 'oil pump stop' buttons control the start and stop of the oil pump of the equipment, after the start button is pressed down, the oil pump of the equipment starts to work and outputs the oil to the outside, otherwise, the oil pump stops working after the stop button is pressed down.
The temperature digital display meter displays the oil tank temperature value detected by the temperature sensor 702 on the digital display meter in real time, when the oil tank temperature is higher than the set alarm temperature value, the system triggers an oil temperature alarm prompt, and an overtemperature alarm indicator lamp above the control panel 106 is normally on; the electrical schematic diagram of the device is shown in fig. 2 and 3.
In the scheme, the cart body of the oil supply cart 1 is also provided with an oil supply chamber 102, and the oil supply system 3 is arranged in the oil supply chamber 102; the electrical chamber 101 is provided in the left front portion of the fuel supply vehicle 1, and is separated from the fuel supply chamber 102 by an electrical partition. The electrical partition can separate the electricity of the oil pump truck from an oil supply system, so that the oil-electricity separation is realized, and the use safety of the equipment is improved.
As shown in the drawings, in the present embodiment, an operation panel protection cover 107 is disposed above the control panel 103, a top cover 108 is disposed on the top of the oil supply chamber 102, and both the operation panel protection cover 107 and the top cover 108 are provided with gas spring support rods 109, which can automatically maintain the position of the cabin door when the cabin door is opened; as shown in fig. 4, the upper main body of the fuel supply vehicle 1 is a box body, the front and the rear of the box body are respectively provided with a front door and a rear door, the electrical chamber 101 is an electrical box body separated from the inner part of the box body by an electrical partition, the electrical chamber 101 is provided with an independent front door, and the front side and the rear side of the box body are respectively provided with a left side door and a right side door, wherein the left side door on the front side is used for opening the electrical chamber 101 from the left side, and the other side doors are used for opening and closing the fuel supply chamber 102, so that the maintenance space of electrical equipment and a fuel supply system is increased, and fault location and maintenance are facilitated.
In this embodiment, the bottom of the cart body is provided with wheels 103, and the front part is provided with a cart handle 104; thereby facilitating the transfer and movement of the fuel supply vehicle 1.
Preferably, the control panel 106 is mounted on the vehicle head and is designed with an operation panel protection cover 107 as a protection, and the operation panel 106 is made of a 304 stainless steel plate and is subjected to surface spray molding treatment.
In this scheme, the bellows is all installed to the cable conductor outside of connecting each components and parts, and the bellows can be kept apart fluid.
In the scheme, the oil tank 7 is fixed in the oil supply chamber 102 through a fixing mechanism, the fixing mechanism comprises a placing support 201, an L-shaped fixing plate 202 is arranged on the front left side of the placing support 201, an L-shaped moving plate 203 is respectively arranged on the right side and the rear side of the L-shaped fixing plate 202, the L-shaped moving plate 203 is slidably mounted on a sliding block 204, the sliding block 204 is fixed on the inner bottom surface of the oil supply chamber 102, a through hole is formed in one side surface, opposite to the L-shaped fixing plate 202, of the L-shaped moving plate 203, two adjusting holes are formed in the L-shaped fixing plate 202 corresponding to the two through holes, a threaded rod 205 is inserted between the through holes and the adjusting holes, so that after the oil tank 7 is placed on the placing support 201, the position of the L-shaped moving plate 203 is adjusted, and then nuts at two ends of the threaded rod 205 are locked, and the fixation of the oil tank 7 can be realized; the oil tank is clamped through the L-shaped moving plate 203 and the L-shaped fixing plate 202, so that the scheme does not need to weld mounting pins outside the oil tank 7, and the adjustable design of the L-shaped moving plate 203 is convenient for fixing the oil tanks with different sizes; meanwhile, the inner walls of the L-shaped fixing plate 202 and the L-shaped moving plate 203 are provided with a layer of elastic pad 206, so that the anti-collision performance of the oil tank 7 can be improved while the oil tank 7 is mounted.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (7)
1. An aircraft engine ground fuel supply apparatus, characterized by:
comprises an oil supply system (3);
the oil supply system comprises an oil supply pipeline (a), the input end of the oil supply pipeline (a) is communicated with the oil tank (7), and the output end of the oil supply pipeline (a) can be connected with an oil input port of the aircraft engine through an engine-to-engine joint;
the oil supply pipeline (a) is sequentially provided with a motor pump (19), an energy accumulator (5), a filtering unit, a throttle valve (9) and an oil injection pressure gauge (10) along the oil supply direction;
three branches are connected to the oil supply pipeline (a) between the filtering unit and the throttle valve (9), and are respectively a safety branch (b), a pressure regulating branch (c) and a pressure relief branch (d) which are connected in parallel between the oil supply pipeline (a) and the oil tank (7);
the safety branch (b), the pressure regulating branch (c) and the pressure relief branch (d) are respectively and correspondingly provided with a safety valve (12), a pressure regulating valve (11) and a pressure relief valve (13);
the oil injection pressure gauge (10), the throttle valve (9), the pressure regulating valve (11) and the safety valve (12) are respectively and electrically connected with the PLC.
2. An aircraft engine ground oil supply device according to claim 1, characterized in that the filtering unit comprises a coarse filtering filter (601) and a fine filtering filter (602) which are arranged in sequence along the oil supply direction;
one ends of the safety branch (b), the pressure regulating branch (c) and the pressure relief branch (d) are connected in parallel between the fine filter (602) and the throttle valve (9);
a one-way valve (4) is also arranged between the coarse filter (601) and the energy accumulator (5).
3. An aircraft engine ground fuel supply apparatus according to claim 2, characterised in that the fuel supply line (a) has an output in communication with the solenoid directional valve (8);
an oil filling port (801) of the electromagnetic directional valve (8) can be connected with an oil liquid input port of an aircraft engine through a first oil filling hose (15) and a machine-to-machine joint; the input port (802) can be communicated with an aircraft oil return pipe through a second oiling hose (16), and the other end of the input port (802) is communicated with the oil tank (7) through a circulating pipeline (e).
4. An aircraft engine ground fuel supply apparatus according to claim 3, characterised in that the fuel tank (7) is further provided with a level gauge (701) and a temperature sensor (702) for sensing the level and temperature of the oil in the fuel tank (7).
5. An aircraft engine ground fuel supply device according to claim 4, characterized in that a sampling valve (17) is arranged on the fuel supply line (a) between the fuel filling pressure gauge (10) and the electromagnetic directional valve (8).
6. An aircraft engine ground fuel supply apparatus according to any one of claims 1 to 5, characterised in that the fuel supply system (3) is mounted in a fuel supply vehicle (1);
the oil supply vehicle (1) comprises a cart body;
the upper part of the cart body is provided with an electric room (101) and an oil supply room (102), the bottom of the cart body is provided with wheels (103), and the front part of the cart body is provided with a cart handle (104);
the PLC is installed in an electrical chamber (101), and the oil supply system (3) is arranged in an oil supply chamber (102);
the electrical chamber (101) is arranged on the left front side of the oil supply chamber (102), and the electrical chamber (101) is separated from the oil supply chamber (102) through an electrical partition.
7. An aircraft engine ground fuel supply apparatus as claimed in claim 6, wherein a control panel (106) is further provided on the top of said electrical room (101);
the control panel (106) is provided with an electromagnetic valve reversing knob, a power supply button, an oil pump starting button and an oil pump stopping button, and the electromagnetic valve reversing knob, the power supply button, the oil pump starting button and the oil pump stopping button are respectively and electrically connected with the PLC;
an operation panel protective cover (107) is arranged above the control panel (106), a top cover (108) is arranged at the top of the oil supply chamber (102), and the operation panel protective cover (107) and the top cover (108) are both provided with air spring support rods (109).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220885557.8U CN217206666U (en) | 2022-04-14 | 2022-04-14 | Aircraft engine ground fuel feeding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220885557.8U CN217206666U (en) | 2022-04-14 | 2022-04-14 | Aircraft engine ground fuel feeding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217206666U true CN217206666U (en) | 2022-08-16 |
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ID=82774809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220885557.8U Active CN217206666U (en) | 2022-04-14 | 2022-04-14 | Aircraft engine ground fuel feeding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217206666U (en) |
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2022
- 2022-04-14 CN CN202220885557.8U patent/CN217206666U/en active Active
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