Multi-branch comprehensive airtight test bench with error-proof identification structure

Abstract

The utility model provides a multi-branch comprehensive airtight test bench with an error-proof identification structure, the top of a test bench body is provided with an operation table top, and the operation table top is provided with a compressed air pressure regulating knob, a nitrogen pressure regulating knob, a fuel oil system feedback control knob and a fire extinguishing system feedback control knob in a partitioned manner; a display panel is arranged on the rear side of the top of the operation table top. A compressed air quick-release interface and a nitrogen navigation mark type joint are arranged on one side surface of the test bed body; and a compressed air output port, a nitrogen output port, a fuel system feedback interface, an environmental control system feedback interface and a fire extinguishing system feedback interface are arranged on the other side surface of the test bed body. The interfaces of the air inlet and the air outlet of the equipment are subjected to differential design of appearance specifications and sizes, the air inlet can adopt a non-navigation mark design, and the air outlet adopts different sizes and specifications of navigation mark interfaces, so that the problem of wrong connection of pipelines in the subsequent airtight test process is effectively prevented, and the safety and the reliability of pipeline connection are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of aviation support equipment, concretely relates to a multi-branch comprehensive airtight test bench with error prevention identification structure. BACKGROUND

[0002] The comprehensive airtight test bench is mainly used for the airtight test of the fuel, fire extinguishing, and environmental control system of a certain type of airplane. During the experiment, different types of gas sources need to be connected to the test bench, and then the gas sources are output after being processed by the corresponding system according to different test requirements. Among them, according to different test positions, there are multiple output ports of different types, which need to be connected to different systems of the airplane for airtight test. Because there are many output ports, it is easy to cause confusion, and when connecting the pipeline, it is easy to cause misconnection risk. If misconnection occurs, it may cause damage to the airplane system. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a multi-branch comprehensive airtight test bench with error prevention identification structure, which differentiates the shape specifications and sizes of the interfaces of the air inlet and air outlet of the equipment. The air inlet can adopt non-navigation mark design, and the air outlet adopts different size specifications of navigation mark interfaces, effectively preventing the misconnection of the pipeline during the subsequent airtight test process, and improving the safety and reliability of the pipeline connection.

[0004] In order to realize the above technical features, the utility model is realized as follows: a multi-branch comprehensive airtight test bench with error prevention identification structure, comprising a test bench body, an operating table top is arranged on the top of the test bench body, and a compressed air pressure regulating knob, a nitrogen pressure regulating knob, a fuel system feedback control knob, and a fire extinguishing system feedback control knob are arranged in zones on the operating table top; a display panel is arranged on the top rear side of the operating table top;

[0005] A compressed air quick release interface and a nitrogen navigation mark joint are arranged on one side of the test bench body;

[0006] A compressed air output port, a nitrogen output port, a fuel system feedback interface, an environmental control system feedback interface, and a fire extinguishing system feedback interface are arranged on the other side of the test bench body.

[0007] Preferably, a cabinet door is arranged on the front of the test bench body.

[0008] Preferably, a handle is fixed on the side of the test bench body where the compressed air quick release interface and the nitrogen navigation mark joint are arranged.

[0009] Preferably, a plurality of groups of branch system principle nameplates and pressure gauges are arranged on the front of the display panel.

[0010] Preferably, the compressed air output port adopts a threaded joint; the nitrogen gas output port adopts a threaded joint; the fuel system feedback interface adopts a threaded joint; the environmental control system feedback interface adopts a threaded joint; and the fire extinguishing system feedback interface adopts a threaded joint.

[0011] The utility model has the advantages of:

[0012] 1. The interfaces of the air inlet and air outlet of the device are designed differently in shape, size and specification, the air inlet can adopt a non-navigation mark design, and the air outlet adopts a navigation mark interface with different sizes and specifications, effectively preventing the misconnection of the pipeline during subsequent air tightness tests, and improving the safety and reliability of the pipeline connection.

[0013] 2. The cabinet door facilitates the installation and arrangement of the structure inside the test bench body.

[0014] 3. The handle facilitates the movement and adjustment of the position of the entire test bench body.

[0015] 4. The branch system principle nameplate and the pressure gauge facilitate the differentiation of different pressure sources and pressure value information in the system. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described below in combination with the drawings and examples.

[0017] Fig. 1 It is a first perspective three-dimensional view of the utility model.

[0018] Fig. 2 It is a first perspective three-dimensional view of the utility model.

[0019] Fig. 3 It is a first perspective three-dimensional view of the utility model.

[0020] In the figure: test bench body 1, nitrogen gas navigation mark joint 2, compressed air quick release interface 3, handle 4, nitrogen gas pressure regulating knob 5, compressed air pressure regulating knob 6, pressure gauge 7, branch system principle nameplate 8, fire extinguishing system feedback control knob 9, fuel system feedback control knob 10, cabinet door 11, operation table top 12, display panel 13, compressed air output port 14, nitrogen gas output port 15, fuel system feedback interface 16, environmental control system feedback interface 17, fire extinguishing system feedback interface 18 DETAILED DESCRIPTION

[0021] The embodiments of the utility model will be further described below in combination with the drawings.

[0022] Example 1:

[0023] Referring to Figs. 1-3The utility model provides a kind of multi-branch comprehensive airtight test bench with error-proof identification structure, including test bench body 1, the top of test bench body 1 is provided with operation table 12, and operation table 12 is provided with compressed air pressure regulating knob 6, nitrogen pressure regulating knob 5, fuel system feedback control knob 10 and fire extinguishing system feedback control knob 9 in partition;The top rear side of operation table 12 is provided with display panel 13;One side of test bench body 1 is provided with compressed air quick release interface 3 and nitrogen navigation beacon joint 2;The other side of test bench body 1 is provided with compressed air outlet 14, nitrogen outlet 15, fuel system feedback interface 16, environmental control system feedback interface 17 and fire extinguishing system feedback interface 18.The interface of gas inlet and gas outlet of the equipment is different in shape specification and size, mainly for the gas inlet can use non-navigation design, the different size specification of navigation interface is used for gas outlet, effectively prevent the misconnection problem of pipeline in subsequent airtight test process, improve the safety and reliability of pipeline connection.

[0024] Among them, the equipment end gas inlet is provided with nitrogen and factory gas source two different specifications, according to the error-proof design requirement, the factory gas source gas inlet of equipment is designed as quick release joint, nitrogen navigation beacon joint 2 is designed as M10*1 specification navigation beacon joint.

[0025] At the same time, equipment gas source outlet and on-board system feedback interface use navigation beacon joint of different size for error-proof design, and according to the color requirement of each on-board system, the corresponding color is sprayed to identify, and the specific color spraying standard is that fuel system is yellow, environmental control system is black and white, and fire extinguishing system is red.

[0026] Each feedback interface provided on the equipment is configured with an adapter pipe matched with the feedback hose, and the original hose of the equipment can be used for airtight test operation.

[0027] In addition, the nitrogen input and output system of the equipment is black, and the compressed air input and output system is silver gray.

[0028] Moreover, each display pressure gauge of the equipment is according to the color spraying standard, and the fuel system is yellow, the environmental control system is black and white, the fire extinguishing system is red, the nitrogen input and output system of the equipment is black, and the compressed air input and output system is silver gray;Color ring identification is set on the basis of original identification, and principle nameplate of system separate branch operation is pasted on each table, so that relevant airtight test observation is intuitive and operation is simple.

[0029] Further, the front of the test bench body 1 is provided with a cabinet door 11. Through the cabinet door 11, the structure inside the test bench body 1 can be conveniently installed and arranged.

[0030] Further, the side of the test bench body 1 is provided with a handle 4 fixed on the side where the compressed air quick release interface 3 and the nitrogen aviation marker joint 2 are located. The position of the whole test bench body 1 is adjusted by the handle 4.

[0031] Further, the front of the display panel 13 is provided with a plurality of groups of corresponding arranged branch system principle nameplates 8 and air pressure gauges 7. The different pressure sources in the system and the pressure value information are distinguished by the branch system principle nameplates 8 and the air pressure gauges 7.

[0032] Further, the compressed air output port 14 adopts a threaded joint; the nitrogen output port 15 adopts a threaded joint; the fuel system feedback interface 16 adopts a threaded joint; the environmental control system feedback interface 17 adopts a threaded joint; and the fire extinguishing system feedback interface 18 adopts a threaded joint.

[0033] Preferably, the size of each joint is also different according to the system distribution, and the specific details are as follows: the compressed air output port is M22*1.5, the nitrogen output port is M18*1.5, the fuel system feedback interface is M16*1, the environmental control system feedback interface is M14*1, and the fire extinguishing system feedback interface is M12*1.

[0034] The specific principle of the utility model is as follows:

[0035] Improvement idea:

[0036] (1) The interfaces of the equipment air inlet and air outlet are different in size and size, mainly that the air inlet can adopt a non-aviation marker design, and the air outlet adopts different sizes of aviation marker interfaces.

[0037] (2) The control switches and pressure gauges of each branch system of the equipment are marked according to the color specified on the machine, and the operation switches of each branch system are marked with color markers in a special working area to prevent personnel from misoperation.

[0038] (3) The color marking standard is that the fuel system is yellow, the environmental control system is black and white, and the fire extinguishing system is red.

[0039] (4) Each control switch and pressure reducing valve adopts Chinese identification, and has a switch and size direction indicating sign. Each nameplate is marked with a corresponding color identification ring according to the installed system.

[0040] (5) The working area of the display panel corresponding to the fuel, environmental control and fire extinguishing systems is respectively pasted with the working principle diagram of each subsystem.

[0041] (6) The pressure gauges of each branch system in the equipment and the corresponding hoses are provided with corresponding nameplates, and each nameplate is marked with a corresponding color according to the system.

[0042] The identification structure effectively prevents the problem of system pipeline connection error in subsequent test process.

Claims

1. A multi-leg integrated airtight test bench having an error-proof identification structure, characterized by, Including test bench body (1), the top of test bench body (1) is provided with operating platform (12), operating platform (12) is provided with compressed air pressure regulating knob (6), nitrogen pressure regulating knob (5), fuel system feedback control knob (10) and fire extinguishing system feedback control knob (9) in the partition, the top rear side of operating platform (12) is provided with display panel (13); One side of test bench body (1) is provided with compressed air quick release interface (3) and nitrogen navigation beacon type joint (2); Another side of test bench body (1) is provided with compressed air output port (14), nitrogen output port (15), fuel system feedback interface (16), environmental control system feedback interface (17) and fire extinguishing system feedback interface (18).

2. The multi-branch comprehensive airtight test bench with error-proof identification structure according to claim 1, characterized in that: The front of test bench body (1) is provided with cabinet door (11).

3. The multi-branch comprehensive airtight test bench with error-proof identification structure according to claim 1, characterized in that: The side of test bench body (1) is provided with handle (4) and is located in the side where compressed air quick release interface (3) and nitrogen navigation beacon type joint (2) are located.

4. The multi-branch comprehensive airtight test bench with error-proof identification structure according to claim 1, characterized in that: The front of display panel (13) is provided with multiple groups of corresponding branch system principle nameplate (8) and air pressure gauge (7).

5. The multi-branch comprehensive airtight test table with error-proof identification structure according to claim 1, characterized in that: The compressed air output port (14) adopts threaded joint; the nitrogen output port (15) adopts threaded joint; the fuel system feedback interface (16) adopts threaded joint; the environmental control system feedback interface (17) adopts threaded joint; the fire extinguishing system feedback interface (18) adopts threaded joint.

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