CN208921391U - A kind of interior formula coaxial corrugated pipe balance system - Google Patents
A kind of interior formula coaxial corrugated pipe balance system Download PDFInfo
- Publication number
- CN208921391U CN208921391U CN201822039483.2U CN201822039483U CN208921391U CN 208921391 U CN208921391 U CN 208921391U CN 201822039483 U CN201822039483 U CN 201822039483U CN 208921391 U CN208921391 U CN 208921391U
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- China
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- supply pipe
- air supply
- measurement
- fixing end
- end air
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model discloses a kind of interior formula coaxial corrugated pipe balance systems, including box type balance, the box type balance includes measurement end, fixing end and disappears and disturb beam, venthole is provided in the measurement end, air inlet is provided in the fixing end, it further include bellows component, the bellows component includes fixing end air supply pipe, measurement end air supply pipe, first elastic element, second elastic element, cylinder and fiaring cone, the gas outlet of measurement end air supply pipe is fixedly connected with venthole, there is fixing end air supply pipe one end of air inlet to be fixedly connected with air inlet, the other end of fixing end air supply pipe is located in measurement end air supply pipe, the fixing end air supply pipe, which is located at left and right sides of one end in measurement end air supply pipe, is provided with gas outlet, circumferential nozzle is provided at each gas outlet, the utility model has reduced or eliminated pressure in high-pressure air feed pipeline, punching The influence that amount, displacement, temperature measure balance, realizes while carrying out high-pressure air feed and high-acruracy survey model aerodynamic force.
Description
Technical field
The utility model relates to dummy vehicle jet test field, specially a kind of interior formula coaxial corrugated pipe balance system
System.
Background technique
The aircraft development stage needs to carry out power and simulates relevant ground or wind tunnel test.It will be used in these tests
Pressure-air generates hot jet simulation aircraft thrust, and thrust that this is modeled is in need is measured, and therefore, is related to one
It kind should realize the balance system of high-pressure air feed precise measurement aerodynamic force again.However, the pressure duct can generate volume to balance
Outer seriously affects, and thrust measurement is caused to fail, it is necessary to and it is isolated gas source pipeline with the gas circuit on measured model, but must
It must guarantee high-pressure air feed.Therefore, aerodynamic force high-acruracy survey when high-pressure air source gas supply is realized using reasonable bellows, to winged
Row device model power simulation wind tunnel experiment and aero-engine jet pipe development are of great significance.
Existing invention has plenty of in the field is arranged in parallel just for bellows and balance, and has no bellows and balance
In the form of inside and outside arrangement.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of interior formula coaxial corrugated pipe balance system, by ripple
Pipe is fused to the elimination or reduction that interference volume is realized inside box type balance, in addition, bellows, which is located inside balance, reduces wave
Line tube hub is at a distance from the heart of balance school, to substantially reduce influence of the bellows to balance.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of interior formula coaxial corrugated pipe
Balance system, including box type balance, the box type balance include measurement end, fixing end and disappear and disturb beam, be arranged in the measurement end
There is venthole, be provided with air inlet in the fixing end, further include bellows component, the bellows component includes that fixing end supplies
Tracheae, measurement end air supply pipe, the first elastic element, the second elastic element, cylinder and fiaring cone, the gas outlet of measurement end air supply pipe
It is fixedly connected with venthole, there is fixing end air supply pipe one end of air inlet to be fixedly connected with air inlet, fixing end air supply pipe
The other end is located in measurement end air supply pipe, and the fixing end air supply pipe, which is located at left and right sides of one end in measurement end air supply pipe, to be provided with
Gas outlet is provided with circumferential nozzle at each gas outlet, and gas enters fixing end air supply pipe and shunts through two circumferential nozzles, and converges
In collection to measurement end air supply pipe, the gas gas supply of the measurement end from the fixing end of balance to balance is realized.
Preferably, it is provided with fiaring cone above the circumferential nozzle, fiaring cone is set in fixing end air supply pipe and is located at measurement
The end of one end in air supply pipe is held, the section of the non-tapered face one end of fiaring cone and the end of being bullied of the second elastic element connect, and second
The gas supply end of elastic element is connect with the tube surfaces of fixing end air supply pipe.
Preferably, it is provided with cylinder below the circumferential nozzle, the cylinder is set in outside fixing end air supply pipe, cylinder
The end connection of being bullied in the section of one end and the first elastic element, the tube body at the gas supply end and fixing end air supply pipe of the first elastic element
Surface connection, the section of the cylinder other end is fixedly connected with measurement end air supply pipe close to the section of air inlet one end.
Preferably, the fiaring cone and cylinder are arranged inside measurement end air supply pipe.
Preferably, the fixing end air supply pipe, measurement end air supply pipe, cylinder and fiaring cone are concentric settings.
(3) beneficial effect
The utility model provides a kind of interior formula coaxial corrugated pipe balance system.Have it is following the utility model has the advantages that
(1) using circumferential nozzle, it can directly eliminate and flow the effect of momentum bring in pressure duct, eliminate it to balance
Influence；
(2) by double elastic elements, the angular displacement of the generation of balance measurement end can be converted to displacement of the lines, realization six is certainly
By degree activity, reduce the influence measured balance；
(3) distribution form coaxial using interior formula, reduces bellows core at a distance from the heart of balance school, and then subtract significantly
Small influence of the bellows to balance system；
(4) by this technology measure, pressure, momentum, displacement, temperature have been reduced or eliminated in high-pressure air feed pipeline to balance
The influence of measurement realizes while carrying out high-pressure air feed and high-acruracy survey model aerodynamic force.
Detailed description of the invention
Fig. 1 is the utility model overall structure side view.
Fig. 2 is balance measurement end in the utility model embodiment 1 by structural schematic diagram when Y-direction load.
Fig. 3 is balance measurement end in the utility model embodiment 1 by structural schematic diagram when rolling about the z axis.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of interior formula coaxial corrugated pipe balance system, packet
Include box type balance, the box type balance includes measurement end 1, fixing end 3 and disappears and disturb beam 2, is provided with venthole in the measurement end 1
14, air inlet 13 is provided in the fixing end 3, further includes bellows component, and the bellows component includes fixing end gas supply
Pipe 4, measurement end air supply pipe 11, the first elastic element 6, the second elastic element 7, cylinder 10 and fiaring cone 12, measurement end air supply pipe
11 gas outlet is fixedly connected with venthole 14, and there is fixing end air supply pipe 4 one end of air inlet to be fixedly connected with air inlet 13,
The other end of fixing end air supply pipe 4 is located in measurement end air supply pipe 11, and the fixing end air supply pipe 4 is located at measurement end air supply pipe 11
It is provided with gas outlet at left and right sides of interior one end, circumferential nozzle 5 is provided at each gas outlet, gas enters fixing end air supply pipe 4
It shunts, and is collected in measurement end air supply pipe 11 through two circumferential nozzles 5, realize the survey from the fixing end 3 of balance to balance
Measure the gas gas supply at end 1.
Fiaring cone 12 is provided with above circumferential nozzle 5 described in the present embodiment, fiaring cone 12 is set in fixing end gas supply
Pipe 4 is located at the end of one end in measurement end air supply pipe 11, the section and the second elastic element 7 of the non-tapered face one end of fiaring cone 12
It is bullied and holds connection, the gas supply end of the second elastic element 7 is connect with the tube surfaces of fixing end air supply pipe 4, and fiaring cone 12 is to by ring
The high pressure draught sprayed to nozzle 5 plays rectified action.
Cylinder 10 is provided with below circumferential nozzle 5 described in the present embodiment, the cylinder 10 is set in fixing end gas supply
Outside pipe 4, the end connection of being bullied of the section of 10 one end of cylinder and the first elastic element 6, the gas supply end of the first elastic element 6 and solid
The tube surfaces of fixed end air supply pipe 4 connect, and the section of 10 other end of cylinder and measurement end air supply pipe 11 are close to 13 one end of air inlet
Section be fixedly connected.
Fiaring cone 12 described in the present embodiment and cylinder 10 are arranged inside measurement end air supply pipe 11.
Fixing end air supply pipe 4 described in the present embodiment, measurement end air supply pipe 11, cylinder 10 and fiaring cone 12 are coaxial
Heart setting.
The fixing end 3 and fixing end air supply pipe 4 of balance described in the present embodiment, fixing end air supply pipe 4 and the first elasticity
The gas supply end at the gas supply end of element 6, fixing end air supply pipe 4 and the second elastic element 7 is all stationarily connected to together, balance
Fixing end 3, fixing end air supply pipe 4, the gas supply end of the first elastic element 6 and the second elastic element 7 gas supply end constitute balance
System fixing end component is not subjected to displacement between them.
The measurement end 1 and measurement end air supply pipe 11 of balance described in the present embodiment, measurement end air supply pipe 11 and cylinder 10,
The end of being bullied at the end of being bullied of cylinder 10 and the first elastic element 6, fiaring cone 12 and the second elastic element 7 is all stationarily connected to one
It rises, be bullied end and the second elasticity member of measurement end 1, measurement end air supply pipe 11, cylinder 10, fiaring cone 12, the first elastic element 6
The end of being bullied of part 7 constitutes balance system measurement end component, is not subjected to displacement between them.
Entire bellows component is divided into two parts by the first elastic element 6 and the second elastic element 7, and a part is day
Flat system fixing end component, another part are balance system measurement end components, realize shadow that air bridges measure balance with this
It rings and minimizes.
When the utility model at work:
When no-load, without high pressure gas when, balance measurement end arrangement axis is overlapped with balance fixing end arrangement axis；
When no-load, there is a high pressure gas, but when without flowing, the first elastic element 6 and 7 pressure differences of the second elastic element are big
Small equal direction is opposite (| P2-P1 |), since active area is identical in the Y direction for pressure, can directly eliminate pressure bring
Effect, and eliminate its influence to balance；If have high pressure draught inflow, the fixing end air supply pipe 4 of balance and the survey of balance
It measures in end air supply pipe 11 and there is flowing momentum, which cancels out each other after circumferential nozzle 5.
When by Y forward direction load, when no high pressure gas, balance measurement end component can generate a upward microstrain, using
One elastic element 6 big will be obtained compared with the type of attachment of the second elastic element 7 using microstrain caused by hardwired form
It is more, to reduce influence of the balance fixing end 3 to balance measurement end 1 to the greatest extent, it is more favorable to the design of balance.
When by Mz forward direction load, when no high pressure gas, the Light deformation that balance measurement end component can generate can make balance survey
Measuring end arrangement axis, there are an angles with balance fixing end arrangement axis, using the first elastic element 6 and the second elastic element 7
Type of attachment compare it is much greater using angle caused by hardwired form, so that it is solid to reduce balance to the greatest extent
Influence of the fixed end 3 to balance measurement end 1, is more favorable to the design of balance, other quaternarys are similarly.
The present apparatus still is able to freely be subjected to displacement variation in situation loaded, is not influenced substantially by supply air line,
The purpose of this utility model is realized, solves the technical issues of the utility model to be directed to.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of interior formula coaxial corrugated pipe balance system, including box type balance, the box type balance includes measurement end (1), fixes
It holds (3) and disappears and disturb beam (2), be provided with venthole (14) on the measurement end (1), be provided with air inlet on the fixing end (3)
(13), it is characterised in that: further include bellows component, the bellows component includes fixing end air supply pipe (4), measurement end gas supply
Manage (11), the first elastic element (6), the second elastic element (7), cylinder (10) and fiaring cone (12), measurement end air supply pipe (11)
Gas outlet be fixedly connected with venthole (14), fixing end air supply pipe (4) has one end of air inlet and air inlet (13) fixed
Connection, the other end of fixing end air supply pipe (4) are located in measurement end air supply pipe (11), and the fixing end air supply pipe (4), which is located at, surveys
Amount end air supply pipe (11) in one end at left and right sides of be provided with gas outlet, be provided at each gas outlet circumferential nozzle (5), gas into
Enter fixing end air supply pipe (4) to shunt through two circumferential nozzles (5), and be collected in measurement end air supply pipe (11), realizes by day
The gas of the measurement end (1) of flat fixing end (3) Xiang Tianping supplies.
2. a kind of interior formula coaxial corrugated pipe balance system according to claim 1, it is characterised in that: the circumferential direction nozzle
(5) top is provided with fiaring cone (12), and fiaring cone (12) is set in fixing end air supply pipe (4) and is located in measurement end air supply pipe (11)
The end of one end, the end connection of being bullied in the section and the second elastic element (7) of the non-tapered face one end of fiaring cone (12), the second elasticity
The gas supply end of element (7) is connect with the tube surfaces of fixing end air supply pipe (4).
3. a kind of interior formula coaxial corrugated pipe balance system according to claim 1, it is characterised in that: the circumferential direction nozzle
(5) lower section is provided with cylinder (10), and the cylinder (10) is set in fixing end air supply pipe (4) outside, and cylinder (10) one end is cut
Be bullied end connection, the gas supply end of the first elastic element (6) and the pipe of fixing end air supply pipe (4) in face and the first elastic element (6)
The section of the connection of body surface face, cylinder (10) other end is fixed with measurement end air supply pipe (11) close to the section of air inlet (13) one end
Connection.
4. a kind of interior formula coaxial corrugated pipe balance system according to claim 2 or 3, it is characterised in that: the rectification
It bores (12) and cylinder (10) setting is internal in measurement end air supply pipe (11).
5. a kind of interior formula coaxial corrugated pipe balance system according to claim 1, it is characterised in that: the fixing end gas supply
Managing (4), measurement end air supply pipe (11), cylinder (10) and fiaring cone (12) is concentric setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822039483.2U CN208921391U (en) | 2018-12-06 | 2018-12-06 | A kind of interior formula coaxial corrugated pipe balance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822039483.2U CN208921391U (en) | 2018-12-06 | 2018-12-06 | A kind of interior formula coaxial corrugated pipe balance system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208921391U true CN208921391U (en) | 2019-05-31 |
Family
ID=66712579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822039483.2U Withdrawn - After Issue CN208921391U (en) | 2018-12-06 | 2018-12-06 | A kind of interior formula coaxial corrugated pipe balance system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208921391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387350A (en) * | 2018-12-06 | 2019-02-26 | 中国航空工业集团公司沈阳空气动力研究所 | A kind of interior formula coaxial corrugated pipe balance system |
-
2018
- 2018-12-06 CN CN201822039483.2U patent/CN208921391U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387350A (en) * | 2018-12-06 | 2019-02-26 | 中国航空工业集团公司沈阳空气动力研究所 | A kind of interior formula coaxial corrugated pipe balance system |
| CN109387350B (en) * | 2018-12-06 | 2023-08-25 | 中国航空工业集团公司沈阳空气动力研究所 | Internal coaxial corrugated pipe balance system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190531 Effective date of abandoning: 20230825 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190531 Effective date of abandoning: 20230825 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |