CN105576573B - A kind of undercarriage line protection method - Google Patents
A kind of undercarriage line protection method Download PDFInfo
- Publication number
- CN105576573B CN105576573B CN201510932910.8A CN201510932910A CN105576573B CN 105576573 B CN105576573 B CN 105576573B CN 201510932910 A CN201510932910 A CN 201510932910A CN 105576573 B CN105576573 B CN 105576573B
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- CN
- China
- Prior art keywords
- harness
- shielding
- undercarriage
- deconcentrator
- line protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cable Accessories (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of undercarriage line protection methods.This method comprises the following steps：It is specially following steps individually to carry out line protection：Step 1：The cable for the plug being connected for needing setting common in multiple cables is subjected to boundling；Step 2：Each harness is wound respectively by bandage；Step 3：Each harness is inserted in bellows respectively；Step 4：Each harness is inserted in wave prevention sleeve respectively；Step 5：Multiple shielding deconcentrators are made, each shielding deconcentrator tool is there are one input terminal, and harness is shunted after entering the input terminal of each shielding deconcentrator, so as to be stretched out from each output terminal of shielding deconcentrator；Step 6：Each harness is inserted in heat-shrinkable T bush；Step 7：The end of each harness is connect respectively with plug；Step 8：Pin tail attachment is subjected to bonding.The undercarriage line protection method of the present invention can be achieved at the same time electromagnetic protection, mechanical protection and sealing waterproof protective.
Description
Technical field
The present invention relates to undercarriage technical field, more particularly to a kind of undercarriage line protection method.
Background technology
Harness is generally made of electric wire, cable and plug, socket etc..Connection and control of the harness as Aircraft Electrical System
Hinge processed, it can normally, reliably working, depending on the Combination Design and protection Design of harness, and harness is comprehensive, reliable
Combination, protection Design, directly influence the flight safety of aircraft.
Large aircraft landing gear cabin electrical interconnection system strand design is all Aircraft Electrical System strand design all the time
In it is the most key the problem of.At present, large transport airplane landing gear compartment electrical interconnection system harness under complex environment in home and abroad is prevented
Shield design aspect all uses only the method for being considered locally protection, and the corrosion protection and sealing waterproof protective for aircraft belong to substantially
In blank.
Thus, it is desirable to have a kind of technical solution is come at least one drawbacks described above for overcoming or at least mitigating the prior art.
Invention content
The purpose of the present invention is to provide a kind of undercarriage line protection methods to overcome or at least mitigate existing skill
Art at least one of drawbacks described above.
To achieve the above object, the present invention provides a kind of undercarriage line protection method, and the aircraft includes multiple
Undercarriage is provided with a plurality of cable being connected on aircraft distinct device on each undercarriage, and the undercarriage circuit is prevented
Maintaining method includes the following steps：A plurality of cable on each undercarriage is individually subjected to line protection, the independent progress
Line protection is specially following steps：Step 1：The cable for the plug being connected for needing setting common in multiple cables is carried out
Boundling, so as to form a plurality of harness, every harness corresponds to a plug；Step 2：By bandage to after the step 1
Each harness is wound respectively；Step 3：The step 2 will be passed through, and treated that each harness is inserted in bellows respectively；Step
4：The step 3 will be passed through, and treated that each harness is inserted in wave prevention sleeve respectively；Step 5：Multiple shielding deconcentrators are made, each
The shielding deconcentrator tool is there are one input terminal, and by the step 4, treated that harness enters each shielding deconcentrator
Input terminal after shunted, so as to from shielding deconcentrator each output terminal stretch out；Step 6：It will be handled by the step 5
Each harness afterwards is inserted in heat-shrinkable T bush；Step 7：By by the end of the step 6 treated each harness respectively with inserting
Head connection；Step 8：Pin tail attachment is subjected to bonding；Shielding deconcentrator in the step 5 uses metal structure,
The output terminal of the shielding deconcentrator is one or more；The end of harness in the step 7 is provided with plug junction
Buttock line presss from both sides, and is provided with mold shrinkage sleeve outside the end of the harness and the plug junction.
Preferably, the bellows in the step 3 is polytetrafluoroethylbellows bellows.
Preferably, the wave prevention sleeve in the step 4 is high density wave prevention sleeve.
Preferably, it is by pin tail attachment progress bonding specific method in the step 8：All using passing through
Memory ring, which is tied up, reaches 360 ° of EMI/RFI bondings protections, while realize sealing waterproofing protection using mold shrinkage sleeve.
The undercarriage line protection method of the present invention can be achieved at the same time electromagnetic protection, and mechanical protection and sealing are anti-
Water protects, and solves the problems, such as follows：
1) positioned at the harness in landing gear compartment region because being affected by electromagnetic environment and lightning effects, it is desirable that landing gear compartment line
Electromagnetic interference, HIRF protection and the lightning protection of beam should meet the requirements, and the shielding of circuit junction must not be interrupted and be ensured
The normal work of system under installation state, in this way, the Combination Design of landing gear compartment harness and protection are one of design key technologies；
2) for aircraft during take-off and landing, the harness in landing gear compartment region is exposed outside aircraft cabin, and harness will
There are very strong lightning protection function and the explosion function of preventing rotor；When aircraft is parked in ground simultaneously, ponding and spray might have
It splashes, in this way, the Combination Design of landing gear compartment harness and waterproof protective etc. are also one of design key technology；
3) landing gear compartment difference harness is separately mounted to different undercarriage wheel positions, exist simultaneously again on each wheel more
Root harness, cable in the every harness different equipment of whereabouts again, it requires will have shielding line to the trend of harness and installation
Device is divided to complete.Shielding deconcentrator will can realize 360 ° of shielding connections with conductive cable contacts interface.Shake of the aircraft when landing simultaneously
Dynamic and impact is stronger, and the deconcentrator used in landing gear compartment harness wiring will have stronger shockproof properties；
4) design requirement of landing gear compartment harness can realize 360 ° of full-shields and extraordinary shielding continuity, and require full
Sufficient seaworthiness (the 25.1701st article of seaworthiness clause defines EWIS) requirement, this belongs at home in manufacture view there are many key technology
It breaks through for the first time.
Description of the drawings
Fig. 1 is the flow diagram of undercarriage line protection method according to a first embodiment of the present invention.
Fig. 2 is the part-structure schematic diagram using the harness obtained by undercarriage line protection method shown in FIG. 1.
Fig. 3 is the part-structure schematic diagram using the harness obtained by undercarriage line protection method shown in FIG. 1.
Reference numeral：
| 1 | Bandage | 4 | Heat-shrinkable T bush |
| 2 | Bellows | 5 | Shield deconcentrator |
| 3 | Wave prevention sleeve |
Specific embodiment
To make the purpose, technical scheme and advantage that the present invention is implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, the technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
Part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without creative efforts, shall fall within the protection scope of the present invention.Under
Face is described in detail the embodiment of the present invention with reference to attached drawing.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown is for only for ease of the description present invention and simplifies description rather than instruction or imply signified dress
It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the present invention is protected
The limitation of range.
Fig. 1 is the flow diagram of undercarriage line protection method according to a first embodiment of the present invention.Fig. 2 is to adopt
With the part-structure schematic diagram of the harness obtained by undercarriage line protection method shown in FIG. 1.Fig. 3 is using shown in Fig. 1
Undercarriage line protection method obtained by harness part-structure schematic diagram.
Aircraft includes multiple undercarriages, and a plurality of cable being connected on aircraft distinct device is provided on each undercarriage.
Undercarriage line protection method as shown in Figure 1 includes the following steps：By a plurality of electricity on each undercarriage
Cable individually carries out line protection, and it is specially following steps individually to carry out line protection：Step 1：It will need to set in multiple cables
The cable of the common plug being connected carries out boundling, and so as to form a plurality of harness, every harness corresponds to a plug；Step 2：
Each harness after step 1 is wound respectively by bandage 1；Step 3：Step 2 treated each line will be passed through
Beam is inserted in bellows 2 respectively；Step 4：Step 3 will be passed through, and treated that each harness is inserted in wave prevention sleeve 3 respectively；Step 5：It makes
Multiple shielding deconcentrators 5, each deconcentrator tool that shields is there are one input terminal, and by step 4, treated that harness enters each screen
It is shunted after covering the input terminal of deconcentrator, so as to be stretched out from each output terminal of shielding deconcentrator；Step 6：Step 5 will be passed through
Treated, and each harness is inserted in heat-shrinkable T bush 4；Step 7：It will distinguish by the end of the step 6 treated each harness
It is connect with plug.
For example, an aircraft has 3 undercarriages, then the harness on each undercarriage is using as above
The independent step carried out in line protection.
Depending on the trend of harness that the shape of above-mentioned shielding deconcentrator can shunt required for it.Can have
One output terminal, two output terminals or more output terminals.
In the present embodiment, bandage winds three layers, protection wire, so as to increase wearability.
In the present embodiment, undercarriage line protection method further comprises：Step 8：By pin tail attachment into
Row bonding.
In the present embodiment, the bellows in step 3 is polytetrafluoroethylbellows bellows.In this way, it can improve
Product entirety tensile strength, bending stress when release is installed, while ensure water proofing property；
In the present embodiment, the wave prevention sleeve in the step 4 is high density wave prevention sleeve.In this way, can increase
While mechanical protection, ensure that product shielding is good.
In the present embodiment, the shielding deconcentrator in the step 5 uses metal structure.Shielding line deconcentrator uses metal
Structure, ensures shielding properties and anti-shake performance, and shielding deconcentrator can realize that 360 ° of shieldings connect with conductive cable contacts interface.
In the present embodiment, the end of the harness in step 7 is provided with buttock line with plug junction and presss from both sides, and the harness
Mold shrinkage sleeve is provided with outside end and the plug junction.The harness of undercarriage is exposed outside aircraft cabin, harness and plug
Junction, which employs mold shrinkage sleeve, realizes sealing waterproofing protection.
In the present embodiment, it is by pin tail attachment progress bonding specific method in the step 8：All adopt
Reach 360 ° of EMI/RFI bondings protections, while sealing waterproofing protection is realized using mold shrinkage sleeve with being tied up by memory ring.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Pipe is with reference to the foregoing embodiments described in detail the present invention, it will be understood by those of ordinary skill in the art that：It is still
It can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is equally replaced
It changes；And these modifications or replacement, the essence for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution
God and range.
Claims (4)
1. a kind of undercarriage line protection method, the aircraft includes multiple undercarriages, is provided on each undercarriage more
Item is connected to the cable on aircraft distinct device, which is characterized in that the undercarriage line protection method includes following step
Suddenly：
A plurality of cable on each undercarriage is individually subjected to line protection, the independent progress line protection is specially such as
Lower step：
Step 1：The cable for the plug being connected for needing setting common in multiple cables is subjected to boundling, so as to form a plurality of line
Beam, every harness correspond to a plug；
Step 2：Each harness after the step 1 is wound respectively by bandage (1)；
Step 3：The step 2 will be passed through, and treated that each harness is inserted in bellows (2) respectively；
Step 4：The step 3 will be passed through, and treated that each harness is inserted in wave prevention sleeve (3) respectively；
Step 5：Multiple shielding deconcentrators (5) are made, each shielding deconcentrator tool is there are one input terminal, by the step
4 treated harness are shunted after entering the input terminal of each shielding deconcentrator, so as to from each of shielding deconcentrator
Output terminal stretches out；
Step 6：The step 5 will be passed through, and treated that each harness is inserted in heat-shrinkable T bush (4)；
Step 7：It will be connect respectively with plug by the end of the step 6 treated each harness；
Step 8：Pin tail attachment is subjected to bonding；
Wherein, the shielding deconcentrator in the step 5 uses metal structure, and the output terminal of the shielding deconcentrator is one or more
It is a；
The end of harness in the step 7 is provided with buttock line folder with plug junction, and the end of the harness is inserted with described
Head is provided with mold shrinkage sleeve outside junction.
2. undercarriage line protection method as described in claim 1, which is characterized in that the bellows in the step 3
For polytetrafluoroethylbellows bellows.
3. undercarriage line protection method as claimed in claim 2, which is characterized in that the wave prevention sleeve in the step 4
For high density wave prevention sleeve.
4. undercarriage line protection method as described in claim 1, which is characterized in that in the step 8 by plug
Tail accessory carries out bonding specific method：
All reach the protection of 360 ° of EMI/RFI bondings, while sealing is realized using mold shrinkage sleeve using being tied up by memory ring
Waterproofing protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932910.8A CN105576573B (en) | 2015-12-13 | 2015-12-13 | A kind of undercarriage line protection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932910.8A CN105576573B (en) | 2015-12-13 | 2015-12-13 | A kind of undercarriage line protection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105576573A CN105576573A (en) | 2016-05-11 |
| CN105576573B true CN105576573B (en) | 2018-06-29 |
Family
ID=55886418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510932910.8A Active CN105576573B (en) | 2015-12-13 | 2015-12-13 | A kind of undercarriage line protection method |
Country Status (1)
| Country | Link |
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| CN (1) | CN105576573B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030424A (en) * | 2019-12-17 | 2020-04-17 | 中航贵州飞机有限责任公司 | Method for installing direct-current power supply for suppressing interference emission of multipurpose airplane |
| CN115535277A (en) * | 2022-12-06 | 2022-12-30 | 中国航空工业集团公司西安飞机设计研究所 | Aircraft splash protection system |
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| CN1676979A (en) * | 2004-03-29 | 2005-10-05 | 上海市塑料研究所 | High temperature and pressure-resistance polytetrafluoroethylene hose assembly and its preparing method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105576573A (en) | 2016-05-11 |
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