CN109163641A - A kind of large-bypass-ratio engine air bleed valve opening angle measurement component - Google Patents
A kind of large-bypass-ratio engine air bleed valve opening angle measurement component Download PDFInfo
- Publication number
- CN109163641A CN109163641A CN201810790216.0A CN201810790216A CN109163641A CN 109163641 A CN109163641 A CN 109163641A CN 201810790216 A CN201810790216 A CN 201810790216A CN 109163641 A CN109163641 A CN 109163641A
- Authority
- CN
- China
- Prior art keywords
- bleed valve
- air bleed
- measurement
- measuring rod
- opening angle
- 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.)
- Withdrawn
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
Abstract
The present invention relates to aero-engine air bleed valve field, in particular to a kind of large-bypass-ratio engine air bleed valve opening angle measures component.Including measurement bay (1) and measuring rod (3).The measurement bay (1) is fixed on the casing on the outside of air bleed valve (2), and the measurement bay (1) is parallel in the air bleed valve of closed state；The measuring rod (3) is threadedly coupled with the measurement bay (1), and the measuring rod (3) is vertical with the measurement bay (1), when the air bleed valve is in open state, one end of the measuring rod (3) can extend on the air bleed valve from the measurement bay (1).Large-bypass-ratio engine air bleed valve opening angle of the invention measures component, and structure is simple, can be realized the precise measurement of air bleed valve opening angle, which only uses in measurement, reusable in more engines, reduces cost.
Description
Technical field
The present invention relates to aero-engine air bleed valve field, in particular to a kind of large-bypass-ratio engine air bleed valve is opened
Open angle measure component.
Background technique
Air bleed valve mechanism between the big inside and outside culvert of bypass ratio aircraft engine, adjusts for realizing air-flow between inside and outside culvert, changes
Performance Match between kind high-low pressure.Effectively, relationship between air bleed valve opening angle and pressurized strut voltage value is accurately measured,
It is advantageously ensured that accuracy, reliability that air-flow is adjusted, realize the Performance Match between high-low pressure.
Currently, aircraft engine is usually opened in the structure that matrix surface assembles metal dial and pointer to measure air bleed valve
Open angle.But this method has the disadvantage in that 1, dial scale line width and pointer widths affect measurement accuracy；2, dial
It need to be assemblied on engine with pointer, need occupied space, it is relatively difficult to achieve if space is limited；3, increase cost, and increase and start
Machine weight.
Summary of the invention
The object of the present invention is to provide a kind of large-bypass-ratio engine air bleed valve opening angles to measure component, to solve
At least one problem of the existing technology.
The technical scheme is that
A kind of large-bypass-ratio engine air bleed valve opening angle measurement component, comprising:
Measurement bay, the measurement bay are fixed on the casing on the outside of air bleed valve, and the measurement bay in closure
The air bleed valve of state is parallel；
Measuring rod, the measuring rod are threadedly coupled with the measurement bay, and the measuring rod is vertical with the measurement bay, when
When the air bleed valve is in open state, one end of the measuring rod can extend to the air bleed valve from the measurement bay
On.
Optionally, the measurement bay and the casing are seam allowance positioning.
Optionally, the measuring rod is full thread.
Optionally, the measuring rod and the air bleed valve edge distance L are 2mm~15mm.
Optionally, the angle measurement method of the large-bypass-ratio engine air bleed valve opening angle measurement component includes:
Step 1: selecting suitable measurement point, the measuring rod is installed on the measurement bay；
Step 2: the length N of measurement air bleed valve to measurement point, and when air bleed valve is in closed state, the measurement
Bar abuts air bleed valve, measures length N1 of the measuring rod outside the measurement bay；
Step 3: when air bleed valve is in open state, described measuring rod one end is abutted to air bleed valve, measures the survey
Length N2 of the gauge rod outside the measurement bay calculates H=N1-N2；
Step 4: valve opening angle θ is calculated,
Tan θ=H/N
θ=arctan H/N.
Invention effect:
Large-bypass-ratio engine air bleed valve opening angle of the invention measures component, and structure is simple, can be realized deflation
The precise measurement of valve opening angle, which only uses in measurement, reusable in more engines, reduces cost.
Detailed description of the invention
Fig. 1 is the general illustration of large-bypass-ratio engine air bleed valve opening angle measurement component of the invention.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, 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 indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A 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 every other embodiment 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 in conjunction with 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 positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
1 pair of large-bypass-ratio engine air bleed valve opening angle measurement component of the invention is done further with reference to the accompanying drawing
It is described in detail.
The present invention provides a kind of large-bypass-ratio engine air bleed valve opening angles to measure component, may include measurement bay
1 and measuring rod 3.
Specifically, measurement bay 1 is fixed on the casing 2 on the outside of air bleed valve, and measurement bay 1 in closed state
Air bleed valve is parallel.In the present embodiment, interconnecting piece is set in one end of measurement bay 1, is connected through portion and 2 seam allowance of casing is fixed
Position, is bolted by multiple, and mounting hole is PRECISION HOLE, for circumferentially positioned.
Measuring rod 3 is threadedly coupled with measurement bay 1, and measuring rod 3 is vertical with measurement bay 1, when air bleed valve is in open state
When, one end of measuring rod 3 can extend on air bleed valve from measurement bay 1.Advantageously, in the present embodiment, preferred measuring rod 3
For full thread, measuring rod 3 and air bleed valve edge distance L is 2mm~15mm, when being conducive to angle measurement, measuring rod 3 with put
Gas valve abuts.
The angle measurement method of large-bypass-ratio engine air bleed valve opening angle measurement component of the invention includes:
Step 1: selecting suitable measurement point, measuring rod 3 is installed on measurement bay 1；
Step 2: the length N of measurement air bleed valve to measurement point, and when air bleed valve is in closed state, measuring rod 3
Air bleed valve is abutted, length N1 of the measuring rod 3 outside the measurement bay is measured；
Step 3: when air bleed valve is in open state, 3 one end of measuring rod is abutted to air bleed valve, is measured measuring rod 3 and is existed
Length N2 outside measurement bay 1 calculates H=N1-N2；
Step 4: valve opening angle θ is calculated,
Tan θ=H/N
θ=arctan H/N.
Wherein, the length N of air bleed valve to measurement point can subtract measuring rod 3 and be deflated according to the length of air bleed valve and be lived
The distance L at door edge is acquired.
In conclusion large-bypass-ratio engine air bleed valve opening angle of the invention measures component, structure is simple, can
The precise measurement for realizing air bleed valve opening angle, solves the problems, such as that conventional dial plate and pointer exist to a certain extent, this is big
Bypass ratio engine bleeder valve opening angle measurement component is only used in measurement, reusable in more engines, drop
Low cost.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (5)
1. a kind of large-bypass-ratio engine air bleed valve opening angle measures component characterized by comprising
Measurement bay (1), the measurement bay (1) is fixed on the casing on the outside of air bleed valve (2), and the measurement bay (1)
It is parallel in the air bleed valve of closed state；
Measuring rod (3), the measuring rod (3) are threadedly coupled with the measurement bay (1), and the measuring rod (3) and the measurement
Vertically, when the air bleed valve is in open state, one end of the measuring rod (3) can prolong frame (1) from the measurement bay (1)
It extends on the air bleed valve.
2. large-bypass-ratio engine air bleed valve opening angle according to claim 1 measures component, which is characterized in that institute
Measurement bay (1) and the casing (2) is stated as seam allowance positioning.
3. large-bypass-ratio engine air bleed valve opening angle according to claim 1 measures component, which is characterized in that institute
Stating measuring rod (3) is full thread.
4. large-bypass-ratio engine air bleed valve opening angle according to claim 1 measures component, which is characterized in that institute
It is 2mm~15mm that measuring rod (3), which is stated, with the air bleed valve edge distance L.
5. large-bypass-ratio engine air bleed valve opening angle according to any one of claims 1 to 4 measures component,
It is characterized in that, the angle measurement method of the large-bypass-ratio engine air bleed valve opening angle measurement component includes:
Step 1: selecting suitable measurement point, the measuring rod (3) is installed on the measurement bay (1)；
Step 2: the length N of measurement air bleed valve to measurement point, and when air bleed valve is in closed state, the measuring rod
(3) air bleed valve is abutted, the measuring rod (3) the length N1 external in the measurement bay (1) is measured；
Step 3: when air bleed valve is in open state, described measuring rod (3) one end is abutted to air bleed valve, measures the measurement
Bar (3) the length N2 external in the measurement bay (1), calculates H=N1-N2；
Step 4: valve opening angle θ is calculated,
Tan θ=H/N
θ=arctan H/N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790216.0A CN109163641A (en) | 2018-07-18 | 2018-07-18 | A kind of large-bypass-ratio engine air bleed valve opening angle measurement component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790216.0A CN109163641A (en) | 2018-07-18 | 2018-07-18 | A kind of large-bypass-ratio engine air bleed valve opening angle measurement component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109163641A true CN109163641A (en) | 2019-01-08 |
Family
ID=64897740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810790216.0A Withdrawn CN109163641A (en) | 2018-07-18 | 2018-07-18 | A kind of large-bypass-ratio engine air bleed valve opening angle measurement component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109163641A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201527729U (en) * | 2009-06-23 | 2010-07-14 | 张国煜 | Angle ruler |
| CN202204452U (en) * | 2011-08-08 | 2012-04-25 | 北汽福田汽车股份有限公司 | Angle measuring tool |
| CN102628666A (en) * | 2011-12-28 | 2012-08-08 | 冯耿 | Measurement and calculation ruler |
| CN102967244A (en) * | 2012-11-09 | 2013-03-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Angle detection tool and detection method thereof |
| CN203231726U (en) * | 2013-05-10 | 2013-10-09 | 陆世进 | Ruler for measuring angles of anchor arm of overhead contact lines |
-
2018
- 2018-07-18 CN CN201810790216.0A patent/CN109163641A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201527729U (en) * | 2009-06-23 | 2010-07-14 | 张国煜 | Angle ruler |
| CN202204452U (en) * | 2011-08-08 | 2012-04-25 | 北汽福田汽车股份有限公司 | Angle measuring tool |
| CN102628666A (en) * | 2011-12-28 | 2012-08-08 | 冯耿 | Measurement and calculation ruler |
| CN102967244A (en) * | 2012-11-09 | 2013-03-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Angle detection tool and detection method thereof |
| CN203231726U (en) * | 2013-05-10 | 2013-10-09 | 陆世进 | Ruler for measuring angles of anchor arm of overhead contact lines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190108 |
|
| WW01 | Invention patent application withdrawn after publication |