Fuel oil consumption sequence inspection equipment for fuel oil system

Abstract

The utility model provides a fuel oil consumption sequence inspection device for a fuel oil system, and belongs to the technical field of aircraft ground fuel oil system guarantee. The fuel system fuel consumption sequence inspection equipment comprises a vehicle body, a frame is installed on the inner wall of the vehicle body, an electrical control assembly is installed on the surface of the frame, a fuel pump is installed on the front face of the frame, a filter is installed on the front face of the frame, and the fuel pump communicates with the filter through a connecting pipe. The maintenance oil drainage mechanism is arranged, after the maintenance oil drainage mechanism is opened, oil drainage can be carried out on a fuel oil system of an airplane through the maintenance oil drainage mechanism, so that use and maintenance of inspection equipment are facilitated, the vehicle body of an all-metal closed structure is adopted, the rainproof effect is good, and the maintenance is convenient. High-strength polyurethane trundles are installed at the bottom of the vehicle body, forklift holes are formed in the two sides of the vehicle body, and hoisting, forking and transporting of the whole vehicle are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of aircraft ground fuel system guarantee, specifically, relate to a fuel system oil consumption sequence inspection equipment. BACKGROUND

[0002] The aircraft fuel system as the energy hub of the aircraft undertakes multiple missions such as fuel storage, stable fuel supply, gravity adjustment and heat management, and its design is directly related to flight safety, voyage capacity and operation economy.

[0003] When the aircraft fuel pump in the prior art is disassembled for maintenance, the aircraft fuel system lacks a power source during routine inspection and maintenance, and cannot simulate engine fuel consumption at different fuel discharge speeds, so that unnecessary damage to the fuel system is caused if maintenance is not performed for a long time, and more attention should be paid to this to avoid affecting normal use. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a fuel system oil consumption sequence inspection equipment which overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is implemented as follows:

[0006] The utility model provides a fuel system oil consumption sequence inspection equipment, which comprises a vehicle body main body and an electrical control assembly, a frame is installed on the inner wall of the vehicle body main body, an electrical control assembly is installed on the surface of the frame, and a maintenance fuel discharge mechanism is further included.

[0007] The maintenance fuel discharge mechanism comprises:

[0008] A fuel pump is installed on the front face of the frame, a filter is installed on the front face of the frame, and the fuel pump is in communication with the filter through a connecting pipe.

[0009] A rubber tube disc is installed on the right side of the frame.

[0010] In one preferred scheme, the fuel pump discharge port is communicated with a fuel discharge rubber tube, a pressure sensor is installed on the end of the fuel discharge rubber tube close to the fuel pump, and a sampling valve is installed on the surface of the fuel discharge rubber tube on the left side of the pressure sensor.

[0011] In one preferred scheme, a flowmeter and a metering butterfly valve are installed in sequence on the surface of the fuel discharge rubber tube from right to left, and a fuel discharge butterfly valve is installed on the surface of the fuel discharge rubber tube.

[0012] In one preferred scheme, a fuel discharge switch is installed on the left side of the surface of the fuel discharge rubber tube, and a fuel discharge connector is communicated with the left side of the fuel discharge rubber tube.

[0013] In a preferred scheme, the other end of the filter is provided with a deflation valve, the end away from the filter is respectively communicated with an oil drain hose, a gravity oil drain joint and a sediment drain joint, and the end of the oil drain hose away from the deflation valve is communicated with a pressure oil drain joint.

[0014] In a preferred scheme, the top of the back of the frame is provided with first hooks on both sides, and the frame is provided with second hooks on the four corners of the left side.

[0015] In a preferred scheme, the electrical control assembly comprises an operation control box, which is installed on the surface of the frame, and the surface of the operation control box is provided with a pressure gauge, a total power supply and an emergency stop button from left to right on the top, and the surface of the operation control box is provided with a flow meter.

[0016] In a preferred scheme, the vehicle body comprises a skeleton, and the surface of the skeleton is provided with an opening and closing door, and the left side of the vehicle body is provided with a handle.

[0017] The fuel system oil consumption sequence inspection equipment has the following beneficial effects:

[0018] 1. The maintenance oil drain mechanism is provided, and after the maintenance oil drain mechanism is opened, the fuel system of the airplane can be drained through the maintenance oil drain mechanism, so that the use and maintenance of the inspection equipment are facilitated.

[0019] 2. The vehicle body is provided, the vehicle body adopts a full-metal closed structure, rainproof effect is good, and the periphery of the surface of the vehicle body is respectively provided with a hose door, an operation door and a maintenance door, the equipment can be operated after being opened, high-strength polyurethane casters are installed at the bottom of the vehicle body, and forklift holes are arranged on both sides, so that the whole vehicle can be hoisted, forked and transported. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0021] Figure 1 is the overall perspective view provided by the embodiments of the present application;

[0022] Figure 2 is the frame perspective structure schematic view provided by the embodiments of the present application;

[0023] Figure 3The operation control box structure schematic view provided by the utility model embodiment;

[0024] Figure 4 The flow schematic view provided by the utility model embodiment;

[0025] In the drawing: 1, pressure oil drain joint; 2, oil drain rubber pipe; 3, air release valve; 4, filter; 5, fuel pump; 6, pressure sensor; 7, sampling valve; 8, flow meter; 9, metering butterfly valve; 10, oil drain switch; 11, oil drain rubber pipe; 12, oil drain joint; 13, oil drain butterfly valve; 14, gravity oil drain joint; 15, oil sediment drain joint; 16, vehicle body main body; 17, frame; 18, rubber pipe disc; 19, first lifting hook; 20, second lifting hook; 21, operation control box. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] With reference to Figures 1-4 The utility model provides a kind of technical scheme: a fuel system oil consumption sequence inspection equipment, including vehicle body main body 16, the inner wall of vehicle body main body 16 is equipped with frame 17, the surface of frame 17 is equipped with electrical control assembly, still include maintenance oil drain mechanism, can be after opening maintenance oil drain mechanism, the fuel system of aircraft is drained by maintenance oil drain mechanism, to facilitate the use and maintenance of inspection equipment, by using the vehicle body main body 16 of full metal closed structure, rainproof effect is good, and the periphery of vehicle body main body 16 surface is equipped with rubber pipe door, operating door, repair door etc., can be after opening equipment operation and overhaul, the bottom of vehicle body main body 16 is equipped with high-strength polyurethane caster and is equipped with fork truck hole on both sides, facilitate whole car hoisting, fork loading and transportation.

[0028] With reference to Figures 1-4In a preferred embodiment, the maintenance oil drain mechanism is provided, which comprises the fuel pump 5 installed on the front side of the frame 17, the filter 4 installed on the front side of the frame 17, and the fuel pump 5 communicated with the filter 4 through the connecting pipe, and the hose reel 18 installed on the right side of the frame 17, so that the hose can be installed, wound and placed, and can be directly pulled out for use, and the filter 4 can filter the oil, so that the filtered oil is pressurized in the fuel pump 5 and then discharged into the oil tank.

[0029] With reference to Figures 1-4 In a preferred embodiment, the fuel pump 5 is communicated with the oil drain hose 11, one end of the oil drain hose 11 close to the fuel pump 5 is installed with the pressure sensor 6, and the surface of the oil drain hose 11 is installed with the sampling valve 7 located on the left side of the pressure sensor 6, so that the pressure sensor 6 can be installed on the pump end of the oil drain hose 11 to collect dynamic pressure data of the fuel delivery system in real time, and provide accurate monitoring for the working state of the fuel supply system, which can not only judge the working condition of the fuel pump 5 in time through pressure fluctuation, but also verify whether the oil supply pressure meets the control parameter requirements, and the sampling valve 7 can extract the fuel sample without damaging the system seal, and cooperate with the pressure data to synchronously analyze the oil quality, and provide double protection for preventing fuel system corrosion and oil nozzle blockage.

[0030] With reference to Figures 1-4 In a preferred embodiment, the surface of the oil drain hose 11 is sequentially installed with the flow meter 8 and the metering butterfly valve 9 from right to left, the surface of the oil drain hose 11 is installed with the oil drain butterfly valve 13, the left side of the surface of the oil drain hose 11 is installed with the oil drain switch 10, and the left side of the oil drain hose 11 is communicated with the oil drain connector 12, so that the fuel delivery rate can be collected in real time by the flow meter 8, and the equipment working condition demand can be matched by the fine opening adjustment of the metering butterfly valve 9, the oil drain butterfly valve 13 and the oil drain switch 10 adopt a split type layout to build a double discharge protection mechanism, and the oil discharge can be accurately controlled.

[0031] In addition, the other end of the filter 4 is installed with the air release valve 3, the end away from the filter 4 is respectively communicated with the oil drain hose 2, the gravity oil drain connector 14 and the sediment drain connector 15, and the end away from the oil drain hose 2 of the oil drain hose 2 is communicated with the pressure oil drain connector 1, so that the air release valve 3 can quickly discharge the air stored in the filter 4 to eliminate the oil pressure pulsation problem caused by air blockage, the gravity oil drain connector 14 realizes unpowered emptying by using the fuel self-weight, cooperates with the sediment drain connector 15 to directionally collect the gum precipitate in the fuel, effectively prevents the wear of precision components, and the pressure oil drain connector 1 can automatically open to release pressure when the pressure abnormally rises, avoiding the fuel spatter risk in traditional manual valve operation.

[0032] With reference to Figures 1-4In a preferred embodiment, the first lifting hook 19 is arranged on the top of the back of the frame 17, and the second lifting hook 20 is arranged on the left side of the frame 17, so that the whole vehicle can be hoisted, the vehicle body 16 comprises a framework, and the surface of the framework is provided with an opening and closing door, the left side of the vehicle body 16 is provided with a handle, the vehicle body 16 adopts a full-metal closed structure, rainproof effect is good, and the periphery of the surface of the vehicle body 16 is respectively provided with a rubber pipe door, an operation door, a maintenance door and the like, so that the equipment can be operated after being opened, and the bottom of the vehicle body 16 is provided with a high-strength polyurethane caster wheel, and both sides are provided with a forklift hole, so that the whole vehicle can be hoisted, forked and transported.

[0033] In addition, the electrical control assembly comprises an operation control box 21 arranged on the surface of the frame 17, a pressure gauge, a total power supply and an emergency stop button are sequentially arranged on the top of the surface of the operation control box 21 from left to right, and a flow meter is arranged on the surface of the operation control box 21, the total power supply and the emergency stop button can be physically isolated, so that the power supply is prevented from being mistakenly touched, and the flow meter and the pressure gauge can be combined into a real-time monitoring window, so that an operator can synchronously master the dynamic balance state of system pressure and flow.

[0034] Specifically, the working process or working principle of the fuel consumption sequential inspection equipment is as follows: in use, the fuel system is mainly driven by an explosion-proof motor, the oil discharge flow is adjusted through the opening and closing of the butterfly valve, the filter 4 in the fuel system has the functions of exhausting and discharging dead oil, the use and maintenance of the inspection equipment are facilitated, and the fuel consumption sequential inspection function and the rapid oil discharge function are divided into two modes, and the specific use process is as follows:

[0035] Mode one, fuel consumption sequential inspection function:

[0036] In the fuel system, the aircraft fuel passes through the pressure oil discharge connector 1 and the oil discharge rubber pipe 2, passes through the filter 4 and the fuel pump 5 and enters the flow meter 8, at this time, the oil discharge butterfly valve 13 is closed, the fuel passes through the opening and closing of the metering butterfly valve 9 to adjust the flow, and the fuel passes through the oil discharge rubber pipe 11 and the oil discharge connector 12 and enters the oil tank.

[0037] Mode two, rapid oil discharge function:

[0038] When the fuel system is rapidly discharging oil, the fuel in the oil discharge path flows into the filter 4 and the fuel pump 5 through multiple oil discharge connectors, the oil discharge and sedimentation connector 15 and the oil discharge rubber pipe 2, the fuel is pressurized and then passes through the oil discharge butterfly valve 13, the oil discharge rubber pipe 11 and the oil discharge connector 12 and enters the oil tank, at this time, the metering butterfly valve 9 is closed, so that the fuel is rapidly discharged.

[0039] Further, the fuel consumption of the aircraft fuel system is inspected, the operation is simple, the use is convenient, the working state information can be displayed, the system parameter monitoring and alarm functions can be realized.

Claims

1. A fuel system oil consumption sequence check apparatus comprising a vehicle body main unit (16) and an electrical control assembly, characterized by; The inner wall of the vehicle body main body (16) is provided with a frame (17), the surface of the frame (17) is provided with an electrical control assembly, and the frame (17) is further provided with a maintenance oil drainage mechanism. The maintenance oil drainage mechanism comprises: An oil pump (5) is arranged on the front surface of the frame (17), and a filter (4) is arranged on the front surface of the frame (17), and the oil pump (5) is communicated with the filter (4) through a connecting pipe; A rubber tube disc (18) is arranged on the right side of the frame (17); The oil drainage rubber tube (11) is provided with a pressure sensor (6) arranged on the end close to the oil pump (5), and a sampling valve (7) is arranged on the left side of the pressure sensor (6) on the surface of the oil drainage rubber tube (11); A flowmeter (8) and a metering butterfly valve (9) are arranged on the surface of the oil drainage rubber tube (11) from right to left, and a drainage butterfly valve (13) is arranged on the surface of the oil drainage rubber tube (11); An oil drainage switch (10) is arranged on the left side of the surface of the oil drainage rubber tube (11), and the left side of the oil drainage rubber tube (11) is communicated with an oil drainage connector (12); The other end of the filter (4) is provided with a gas valve (3), one end of the filter (4) is communicated with an oil drainage rubber tube (2), a gravity oil drainage connector (14) and a sediment drainage connector (15), and the end of the oil drainage rubber tube (2) away from the gas valve (3) is communicated with a pressure oil drainage connector (1).

2. An oil consumption sequential check device for a fuel system according to claim 1, characterized by First lifting hooks (19) are arranged on both sides of the top of the back surface of the frame (17), and second lifting hooks (20) are arranged on the four corners of the left side of the frame (17).

3. An oil consumption sequential check device for a fuel system according to claim 2, characterized by The electrical control assembly comprises an operation control box (21), the operation control box (21) is arranged on the surface of the frame (17), a pressure gauge, a total power supply and an emergency stop button are arranged on the top of the surface of the operation control box (21) from left to right, and a flowmeter is arranged on the surface of the operation control box (21).

4. An oil consumption sequential check device for a fuel system according to claim 3, characterized by The vehicle body main body (16) comprises a skeleton, the surface of the skeleton is provided with an opening and closing door, and the left side of the vehicle body main body (16) is provided with a handle.

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