CN106143946B - Method is repaiied in rudder system examination - Google Patents
Method is repaiied in rudder system examination Download PDFInfo
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- CN106143946B CN106143946B CN201510203521.1A CN201510203521A CN106143946B CN 106143946 B CN106143946 B CN 106143946B CN 201510203521 A CN201510203521 A CN 201510203521A CN 106143946 B CN106143946 B CN 106143946B
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Abstract
The rudder system examination method of repairing of the present invention includes：Rudder system spare part is decomposed one by one, is numbered one by one, and draws rudder system structural drawings and part drawing, and rudder system internal structure is determined with this；The one integral piece performance test parameter of the important control function component of rudder system is determined by the technical data analysis of random import, rudder system principle analysis, data statistics, practical proof method, and determines the test condition and test method of one integral piece performance test parameter；Analyzed by the technical data of random import, rudder system principle analysis, determine test parameter, test condition and the test method of other critical function components of rudder system；Determine that rudder system must overhaul the component of replacement, part, and the replacing part of these components, part according to acquired rudder system internal structure and important control function component, the test result of other critical function components.
Description
Technical field
The present invention relates to helicopter repair field, and in particular to method is repaiied in a kind of rudder system examination.
Background technology
For some helicopter models of external import, rudder system technical data is only applicable to rudder system day with import
Often safeguard.This part information illustrates the technical requirements that the current check of rudder system must comply with, and is based primarily upon rudder system
Overall structure and performance provide necessary inspection specification, suitable for the Inspection and maintenance within one service life of rudder system.
Overhauled the stage as domestic related model helicopter enters, rudder system must be overhauled, that is, need deep decomposition
Steering engine, and its spare part is checked and repaired, but there is no saying for rudder system internal structure and parameter in random data preservation
Bright, the performance parameter of the especially important component such as the servo valve of rudder system and distributor does not have any reference, i.e., domestic existing
Random data preservation can not meet the needs that rudder system depth is repaired.
The content of the invention
It is an object of the invention to provide a kind of examination of rudder system to repair method, and unknown structure and performance parameter are repaired for depth
Rudder system.
To achieve the above object, the present invention provides a kind of rudder system examination and repaiies method, comprises the following steps：
1) rudder system spare part is decomposed one by one, is numbered one by one, and draws rudder system structural drawings and part drawing, with
This determines rudder system internal structure；2) the technical data analysis of random import, rudder system principle analysis, data statistics, reality are passed through
The one integral piece performance test parameter that verification method determines the important control function component of rudder system is trampled, and determines one integral piece performance test parameter
Test condition and test method, the important control function component includes servo valve and distributor；3) random import is passed through
Technical data analysis, rudder system principle analysis, determine test parameter, test condition and the survey of other critical function components of rudder system
Method for testing, the critical function component include connection valve, united control solenoid valve, the main standby solenoid valve, changeover valve, unidirectional of turning
Valve, central enclosure, small steering engine piston cylinder；4) according to acquired rudder system internal structure and important control function component,
The test result of other critical function components determines that rudder system must overhaul the component of replacement, part, and these components, part
Replacing part.
Method is repaiied in above-mentioned rudder system examination, wherein, in the step 1), rudder system, side are progressively decomposed by certain hierarchical structure
Decompose while numbering, while rendering architecture drawing, for rapid wear, easily consumption part must draw detail drawing.
Method is repaiied in above-mentioned rudder system examination, wherein, in the step 1), when decomposing rudder system, first subregion decomposes, then divides one by one
Xie Ge areas, wherein, functional unit is regarded as entirety during subregion, each first to be decomposed by functional unit, part, then decomposed each work(when distinguishing solution
Can component.
Rudder system examination of the present invention repaiies method and progressively draws each Rotating fields by progressively decomposing rudder system, corresponding to decomposition step
Figure, draws part drawing to rapid wear, easily consumption part, can obtain the rudder system internal structure of unknown structure；In analysis at random into vocal mimicry
On the basis of art data (especially complete machine maintenance handbook), rudder system principle, with reference to the methods of data statistics, practical proof, with
And service experience and rudder system rudimentary knowledge, the rudder system critical function component of unknown structure is obtained, is particularly important control work(
Test parameter, test condition and the test method of energy component；Finally according to rudder system internal structure, critical function module testing knot
Fruit, which obtains, repairs Parameters of The Parts, realizes that the rudder system depth of unknown structure is repaired.The rudder system examination method of repairing of the present invention helps to dash forward
The broken external technology blockage to China, contributes to research and grasp of the China to blocking technology.
Embodiment
It is described in further detail below with reference to rudder system examination repair method of the preferred embodiment to the present invention.
The rudder system examination method of repairing of present pre-ferred embodiments comprises the following steps：
1) rudder system spare part is decomposed one by one, is numbered one by one, and draws rudder system structural drawings and part drawing, with
This determines rudder system internal structure.
When disassembling rudder system, first subregion decomposes, then decomposes each area one by one, such as rudder system is divided into top, lower part, left part
With four portions of right part, first rudder system is untied by four parts, then decomposes four portions one by one；Such as run into when subregion and each area of decomposition
Functional unit (such as functional unit, the critical function component with housing entire package) does not first decompose the functional unit, first by the work(
Energy component is regarded as entirety, determines the functional unit and other functional units and structure, the position relationship of part；Press function group in each area
After part, part decompose, then decompose each functional unit.That is decomposable process is progressively decomposed that (hierarchical structure is really by certain hierarchical structure
It is fixed not limit, as long as can accomplish in order), numbered when decomposing, side rendering architecture drawing, i.e., numbering can be by hierarchical structure
Carry out, by hierarchical structure rendering architecture drawing.
Detail drawing must be drawn for rapid wear, easily consumption part.
Rudder system internal structure is can determine that by progressively decomposing rudder system.
2) the technical data analysis of random import, rudder system principle analysis, the collection statistics of original performance parameter, property are passed through
The methods of practical proof of energy bound of parameter scope, determines the one integral piece performance test parameter of the important control function component of rudder system, and
Determine the test condition and test method of one integral piece performance test parameter.The important control function component includes servo valve and distribution
Device.
The important parameter test method of servo valve：Mainly drawn on servo valve test experimental bed by high precision flow
The no-load characteristic of the output quantities such as servo valve output flow, interior leakage quantity and input signal (the corresponding different amplitude of each parameter, frequency)
Curve.
Servo valve one integral piece performance test parameter is as shown in table 1：
1 servo valve one integral piece performance test parameter of table
Table 1 (has continued) servo valve one integral piece performance test parameter
Servo valve one integral piece performance test parameter testing condition：(1) rated pressure (6.4 ± 0.1) MPa；(2) return pressure (0
~0.3) MPa；(3) environment temperature (25 ± 10) DEG C；(4) working solution temperature (35 ± 10) DEG C；(5) relative humidity (10~
90) %.
The major parameter test method of distributor：Mainly pass through high precision flow, displacement sensing on steering engine experimental bench
Correspondence of the device test output quantity (flow, interior leakage etc.) with input quantity (stroke, torque etc.).
Distributor one integral piece performance test parameter is as shown in table 2：
2 distributor one integral piece performance test parameter of table
Distributor one integral piece performance test parameter testing condition：(1) rated pressure (6.4 ± 0.1) MPa；(2) return pressure (0
~0.3) MPa；(3) environment temperature (25 ± 10) DEG C；(4) working solution temperature (35 ± 10) DEG C；(5) relative humidity (20~
80) %.
3) analyzed by the technical data of random import, rudder system principle analysis, with reference to the design of domestic homogeneous structure part
The methods of guideline, the collection statistics of original performance parameter and the bounds of definite parameter are verified determines rudder system, and other are heavy
Test parameter, test condition and the test method of functional unit are wanted, the critical function component includes connection valve, united control
Solenoid valve, main turn of standby solenoid valve, changeover valve, check valve, central enclosure, small steering engine piston cylinder.
In certain model helicopter of the present embodiment, the test parameter of each critical function component is as shown in table 3：Table 3 is each important
Module testing parameter
Each significant components test parameter of table 3 (continued)
Each significant components test parameter of table 3 (continued)
Each significant components test parameter of table 3 (having continued)
Each critical function module testing parameter testing condition is：(1) return pressure (0~0.3) MPa；(2) environment temperature
(25±10)℃；(3) working solution temperature (35 ± 10) DEG C；(4) relative humidity (20~80) %.
4) according to the survey of acquired rudder system internal structure and important control function component, other critical function components
Test result determines that rudder system must overhaul the component of replacement, part, and the replacing part of these components, part.
Rapid wear, easily consumption part in rudder system internal structure are the parts that must be replaced.For important control function component
(servo valve and distributor) and other critical function components are the emphasis that depth is repaired, and therefore, its internal rapid wear, easily consumption part are
The part that must be replaced, in addition, according to the test result of important control function component one integral piece performance test parameter, also can determine that shadow
The component that must overhaul replacement, the part of important control function assembly property effect are rung, according to other critical function module testings
The test result of parameter, determines to influence the component that must overhaul replacement, the part of the significant components impact of performance.
In the present embodiment, it is as shown in table 4 that rudder system must change part inventory, and it is as shown in table 5 that servo valve must change part inventory, distributor
It is as shown in table 6 that part inventory must be changed.
4 rudder system of table must change part inventory
| Sequence number | Title | Single-piece quantity | Replacing part |
| 1 | O-ring seal | 2 | Try 5171 rubber |
| 2 | O-ring seal | 1 | Try 5171 rubber |
| 3 | O-ring seal | 8 | Try 5171 rubber |
Table 4 (continued) rudder system must change part inventory
| Sequence number | Title | Single-piece quantity | Replacing part |
| 4 | O-ring seal | 2 | Try 5171 rubber |
| 5 | O-ring seal | 4 | Try 5171 rubber |
| 6 | O-ring seal | 12 | Try 5171 rubber |
| 7 | O-ring seal | 4 | Try 5171 rubber |
| 8 | O-ring seal | 4 | Try 5171 rubber |
| 9 | O-ring seal | 4 | Try 5171 rubber |
| 10 | O-ring seal | 3 | Try 5171 rubber |
| 11 | O-ring seal | 32 | Try 5171 rubber |
| 12 | O-ring seal | 32 | Try 5171 rubber |
| 13 | O-ring seal | 10 | Try 5171 rubber |
| 14 | O-ring seal | 28 | Try 5171 rubber |
| 15 | O-ring seal | 10 | Try 5171 rubber |
| 16 | O-ring seal | 4 | Try 5171 rubber |
| 17 | O-ring seal | 8 | Try 5171 rubber |
| 18 | O-ring seal | 12 | Try 5171 rubber |
| 19 | O-ring seal | 1 | Try 5171 rubber |
| 20 | Y-type seal ring | 8 | Try 5171 rubber |
| 21 | O-ring seal | 28 | Try 5171 rubber |
| 22 | O-ring seal | 8 | Try 5171 rubber |
| 23 | O-ring seal | 8 | Try 5171 rubber |
| 24 | O-ring seal | 4 | Try 5171 rubber |
| 25 | Baffle ring | 16 | Polytetrafluoroethylene (PTFE) |
| 26 | Baffle ring | 4 | Polytetrafluoroethylene (PTFE) |
| 27 | Baffle ring | 8 | Polytetrafluoroethylene (PTFE) |
| 28 | Baffle ring | 8 | Polytetrafluoroethylene (PTFE) |
| 29 | Baffle ring | 3 | Polytetrafluoroethylene (PTFE) |
| 30 | Lock washer | 4 | 1Cr18Ni9Ti or 20 |
| 31 | Dustband | 8 | Felt T112-25-31 |
| 32 | Dustproof cover component | 4 | Polytetrafluoroethylene (PTFE) |
| 33 | Baffle ring | 10 | Polytetrafluoroethylene (PTFE) |
| 34 | Baffle ring | 4 | Polytetrafluoroethylene (PTFE) |
| 35 | Baffle ring | 48 | Polytetrafluoroethylene (PTFE) |
| 36 | Baffle ring | 35 | Polytetrafluoroethylene (PTFE) |
| 37 | Baffle ring | 12 | Polytetrafluoroethylene (PTFE) |
| 38 | Baffle ring | 1 | Polytetrafluoroethylene (PTFE) |
| 39 | Fluoroplastic ring | 2 | Polytetrafluoroethylene (PTFE) |
Table 4, which (has continued) rudder system, must change part inventory
| Sequence number | Title | Single-piece quantity | Replacing part |
| 40 | Baffle ring | 4 | Polytetrafluoroethylene (PTFE) |
| 41 | Baffle ring | 16 | Polytetrafluoroethylene (PTFE) |
| 42 | Dustband | 4 | Felt T112-25-31 |
| 43 | Fluoroplastic ring | 8 | Polytetrafluoroethylene (PTFE) |
| 44 | Baffle ring | 8 | Polytetrafluoroethylene (PTFE) |
| 45 | Baffle ring | 16 | Polytetrafluoroethylene (PTFE) |
| 46 | Baffle ring | 38 | Polytetrafluoroethylene (PTFE) |
| 47 | Baffle ring | 8 | Polytetrafluoroethylene (PTFE) |
| 48 | Baffle ring | 3 | Polytetrafluoroethylene (PTFE) |
| 49 | Baffle ring | 1 | Polytetrafluoroethylene (PTFE) |
| 50 | Fluoroplastic ring | 6 | Polytetrafluoroethylene (PTFE) |
| 51 | Stop washer | 16 | 20 |
| 52 | Locating snap ring | 4 | 65Mn |
5 distributor of table must change part inventory
| Sequence number | Title | Single-piece quantity | Material |
| 1 | Locked spacer | 1 | 20 |
| 2 | Locked spacer | 1 | 20 |
| 3 | Locked spacer | 1 | 20 |
| 4 | Sealing ring | 4 | Examination 5171 or 5080 |
| 5 | Sealing ring | 2 | Examination 5171 |
| 6 | Sealing ring | 1 | Examination 5171 |
| 7 | Guard circle | 4 | SFBN-3 |
| 8 | Guard circle | 4 | SFBN-3 |
| 9 | Guard circle | 1 | SFBN-3 |
| 10 | Guard circle | 1 | SFBN-3 |
| 11 | Sealing ring | 1 | Examination 5171 |
| 12 | Guard circle | 1 | SFBN-3 |
| 13 | Sealing ring | 3 | Examination 5171 |
| 14 | Guard circle | 3 | SFBN-3 |
| 15 | Leather cup | 1 | Sub-assembly |
6 servo valve of table must change part inventory
| Sequence number | Title | Single-piece quantity | Material |
| 1 | Cushion rubber | 2 | Try 5171 rubber |
| 2 | Cushion rubber | 6 | Try 5171 rubber |
| 3 | Cushion rubber | 2 | Try 5171 rubber |
| 4 | Spring washer | 3 | 65Mn |
| 5 | Cushion rubber | 2 | |
| 6 | Cushion rubber | 1 | Try 5171 rubber |
| 7 | Cushion rubber | 12 | Try 5171 rubber |
| 8 | Cushion rubber | 4 | Try 5171 rubber |
| 9 | Locked spacer | 2 | T4M |
| 10 | Cushion rubber | 3 | Try 5171 rubber |
| 11 | Cushion rubber | 1 | Try 5171 rubber |
| 12 | Cushion rubber | 2 | Try 5171 rubber |
The depth that the rudder system examination method of repairing of the present invention is equally applicable to other model helicopter rudder systems is repaired, further
Ground, the present invention examination repair thought can also promote for other unknown structure products depth repairing.
Claims (3)
1. method is repaiied in rudder system examination, it is characterised in that is comprised the following steps：
1）Rudder system spare part is decomposed one by one, is numbered one by one, and draws rudder system structural drawings and part drawing, it is true with this
Determine rudder system internal structure；
2）Rudder system is determined by the technical data analysis of random import, rudder system principle analysis, data statistics, practical proof method
Unite the one integral piece performance test parameter of important control function component, and determine test condition and the test side of one integral piece performance test parameter
Method, the important control function component include servo valve and distributor；
3）Analyzed by the technical data of random import, rudder system principle analysis, determine other critical function components of rudder system
Test parameter, test condition and test method, the critical function component include connection valve, united control solenoid valve, master turn
Standby solenoid valve, changeover valve, check valve, central enclosure, small steering engine piston cylinder；
4）According to acquired rudder system internal structure and important control function component, the test knot of other critical function components
Fruit determines that rudder system must overhaul the component of replacement, part, and the replacing part of these components, part.
2. method is repaiied in rudder system examination as claimed in claim 1, it is characterised in that the step 1）In, by certain hierarchical structure
Rudder system is progressively decomposed, is numbered when decomposing, side rendering architecture drawing, detail drawing must be drawn for rapid wear, easily consumption part.
3. method is repaiied in rudder system examination as claimed in claim 2, it is characterised in that the step 1）In, when decomposing rudder system, first
Subregion decomposes, then decomposes each area one by one, wherein, functional unit is regarded as entirety during subregion, it is each when distinguishing solution first by functional unit, zero
Part decomposes, then decomposes each functional unit.
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| CN110481812B (en) * | 2019-08-07 | 2022-12-06 | 上海海鹰机械厂 | Trial repairing method for buffering support of undercarriage of certain type machine |
| CN112498625B (en) * | 2020-10-30 | 2023-05-05 | 沪东中华造船(集团)有限公司 | Quick temporary maintenance method for ship suspension rudder bearing |
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| US5931877A (en) * | 1996-05-30 | 1999-08-03 | Raytheon Company | Advanced maintenance system for aircraft and military weapons |
| KR101229846B1 (en) * | 2011-04-06 | 2013-02-05 | 국방과학연구소 | A method for design and verification of autonomous flight controller of a flight vehicle by utilizing magnetic forces |
| CN103064408B (en) * | 2012-12-21 | 2015-09-16 | 兰州飞行控制有限责任公司 | A kind of aircraft Rudder Servo System fault detection method |
| CN103475522A (en) * | 2013-09-10 | 2013-12-25 | 中国民航大学 | Device and method for airplane centralized maintenance system simulation |
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