CN203824752U - Air flow control device for engine rig test - Google Patents
Air flow control device for engine rig test Download PDFInfo
- Publication number
- CN203824752U CN203824752U CN201420069436.1U CN201420069436U CN203824752U CN 203824752 U CN203824752 U CN 203824752U CN 201420069436 U CN201420069436 U CN 201420069436U CN 203824752 U CN203824752 U CN 203824752U
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- Prior art keywords
- flow control
- air
- control device
- intake duct
- air intake
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Abstract
The utility model provides an air flow control device for an engine rig test. The air flow control device comprises an air inlet part and a flow adjusting mechanism, wherein the air inlet part has an air inlet passageway, the flow adjusting mechanism is arranged in the air inlet passageway and comprises flow control blades and fixed shafts, the fixed shafts are mounted on the air inlet part, the flow control blades are arranged on the fixed shafts in a ratable manner, the flow control blades have first positions and second positions, the air flow of the air inlet passageway can be minimized through the first positions and maximized through the second positions, and the flow control blades move between the first positions and the second positions. The air flow control device effectively solves the problem that in an engine air input simulating device of the prior art is complex in test, high in cost and long in cycle.
Description
Technical field
The utility model relates to technical field of engines, particularly relates to the air-flow control device for engine rig test.
Background technology
Plateau field width is wide, and good helicopter completes the tasks such as scouting, patrol, transportation, attack to need Performance on Plateau.Highlands atmospheric density is little, air pressure is low, causes the total air inflow of engine to reduce, and gaseous-pressure reduces, and temperature is relatively high, causes turboshaft engine running parameter to approach limits value, the margin of safety of engine operation is narrowed down, degradation.Therefore,, in reseach of engine process, need to consider engine Performance on Plateau and verification experimental verification method.
For the Performance on Plateau test of plateau engine, complicated for the analogue means test of simulated engine air inflow, cost is high, the cycle is long in prior art.
Utility model content
An object of the present utility model is that a kind of air-flow control device for engine rig test will be provided, and to solve, in prior art, the analogue means test for simulated engine air inflow is complicated, cost is high, the problem of cycle length.
The utility model provides a kind of air-flow control device for engine rig test, comprising: air inlet component, has air intake duct; Flow control device, be arranged in air intake duct, flow control device comprises flow control blade and stationary shaft, stationary shaft is arranged on air inlet component, flow control blade is arranged on stationary shaft rotationally, flow control blade has the primary importance of the air mass flow minimum that makes air intake duct and makes the second place of the air mass flow maximum of air intake duct, and flow control blade moves between primary importance and the second place.
Further, the quantity of flow control blade and stationary shaft is a plurality of, the setting that vertically distributes of a plurality of flow control blades; When flow control blade is positioned at primary importance, the place plane of flow control blade is vertical with the airintake direction of air intake duct; When flow control blade is positioned at the second place, the place plane of flow control blade is parallel with the airintake direction of air intake duct.
Further, flow control device also comprises control handle, and control handle is connected with flow control blade, and control handle drives flow control blade to rotate.
Further, air-flow control device also comprises: portable base for supporting, is arranged on the bottom of air inlet component; Height adjuster, is connected between portable base for supporting and air inlet component.
Further, air-flow control device also comprises: guide vane, and be arranged in air intake duct and be positioned at the downstream part of flow control device, with the air in air intake duct, carry out water conservancy diversion.
Further, air inlet component has air intake opening and the gas outlet being communicated with air intake duct, and the internal diameter of gas outlet is greater than the internal diameter of air intake opening.
Further, the internal diameter of gas outlet increases gradually along outgassing direction.
Further, the bottom of portable base for supporting is provided with pulley and locking piece.
The engine rig test intake air flow control device that the utility model provides, utilize the flow control blade in air intake duct, can be according to the aperture of set flow regulation rule regulating and controlling device, and then reach the object of control engine intake air flow, can the air mass flow characteristic of simulated engine under the rarefied air conditions such as plateau, high-altitude., can simulate under the prerequisite of air inflow, the air-flow control device self structure that the utility model provides is simpler meanwhile, and process of the test is easy, cost is low, and the cycle is little.
According to the detailed description to the utility model specific embodiment by reference to the accompanying drawings below, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present utility model more.
Accompanying drawing explanation
Hereinafter in exemplary and nonrestrictive mode, describe specific embodiments more of the present utility model in detail with reference to the accompanying drawings.In accompanying drawing, identical Reference numeral has indicated same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not draw in proportion.In accompanying drawing:
Fig. 1 is the inner structure schematic diagram according to the air-flow control device for engine rig test of an embodiment of the utility model;
Fig. 2 is the A-A place cut-open view of the air-flow control device for engine rig test of Fig. 1.
Embodiment
Fig. 1 is the inner structure schematic diagram according to the air-flow control device for engine rig test of an embodiment of the utility model.
The air-flow control device for engine rig test of the present embodiment, air-flow control device is provided with air inlet component and flow control device 104, air inlet component has air intake duct 101, flow control device 104 is arranged in air intake duct 101, flow control device has flow control blade 107 and stationary shaft 108, stationary shaft 108 is arranged on air inlet component, flow control blade 107 is arranged on stationary shaft 108 rotationally, flow control blade 107 has the primary importance of the air mass flow minimum that makes air intake duct 101 and makes the second place of the air mass flow maximum of air intake duct 101, flow control blade 107 moves between primary importance and the second place.
Particularly, the quantity of flow control blade 107 and stationary shaft 108 is a plurality of, the setting that vertically distributes of a plurality of flow control blades 107.
When flow control blade 107 is positioned at primary importance, the place plane of flow control blade 107 is vertical with the airintake direction of air intake duct 101.When flow control blade 107 is positioned at the second place, the place plane of flow control blade 107 is parallel with the airintake direction of air intake duct 101.
Referring to Fig. 1 and Fig. 2, flow control blade 107 passes through the area of the air inlet xsect of change air intake duct 101, so that the air mass flow of air intake duct 101 is controlled, and like this can the air mass flow of simulated engine under the rarefied air conditions such as plateau, high-altitude.In Fig. 2, the solid line show state of flow control blade 107 is that flow control blade 107 is positioned at primary importance place, and when being positioned at primary importance, air mass flow is minimum, and the place plane of flow control blade 107 is vertical with the airintake direction of air intake duct 101.The dotted line show state of flow control blade 107 is that flow control blade 107 is positioned at second place place, and when being positioned at the second place, air mass flow is maximum, and the place plane of flow control blade 107 is parallel with the airintake direction of air intake duct 101.
Flow control device 104 also comprises control handle 106, and control handle 106 is connected with flow control blade 107, and control handle 106 drives flow control blade 107 to rotate.Control handle 106 adjust fluxes are controlled blade 107, make flow control blade 107 to turn an angle opening different apertures around stationary shaft 108, realize and control the air mass flow that flows through blade.
Particularly, air-flow control device is also provided with portable base for supporting 102 and height adjuster 103, and portable base for supporting 102 is arranged on the bottom of air inlet component.Height adjuster 103 is connected between portable base for supporting 102 and air inlet component.The selection of height adjuster 103 is generally the height adjuster changing in prior art, such as screw mandrel adjustment structure, have the adjusting bracket of a plurality of location holes etc.
The bottom of portable base for supporting 102 is fitted with pulley, can realize moving freely of base for supporting, and meanwhile, portable base for supporting 102 is fitted with locking piece, with fixed support base.By the adjustable air intake duct height of height adjuster 103, to adapt to different engine pedestal height.
In order to realize, the airflow direction of the gas outlet of air inlet component is controlled, air-flow control device is also provided with guide vane 105, is arranged in air intake duct 101 and is positioned at the downstream part of flow control device 104.The upstream extremity that guide vane 105 is positioned at Air Flow has arc surface, shown in Figure 2ly can find out, between guide vane 105, be formed with the runner that allows air to pass through, air is after passing through guide vane 105, the runner forming along guide vane 105 flows, thereby affects the airflow direction of air, in concrete application process, guide vane 105 can be finely tuned, to meet in practice the requirement for the outgassing direction of gas outlet.
Air inlet component has air intake opening and the gas outlet being communicated with air intake duct 101, and the internal diameter of gas outlet is greater than the internal diameter of air intake opening.The internal diameter of gas outlet increases gradually along outgassing direction.
Air intake duct 101 guiding charge air flow, air intake opening adopts and meets the configuration that engine charge loss requires, and gas outlet adopts diffused interface, to meet the coupling requirement of various engine intake size.
The engine rig test intake air flow control device that the utility model provides, utilize the flow control blade in air intake duct, can be according to the aperture of set flow regulation rule regulating and controlling device, and then reach the object of control engine intake air flow, can the air mass flow characteristic of simulated engine under the rarefied air conditions such as plateau, high-altitude., can simulate under the prerequisite of air inflow, the air-flow control device self structure that the utility model provides is simpler meanwhile, and process of the test is easy, cost is low, and the cycle is little.
So far, those skilled in the art will recognize that, although detailed, illustrate and described a plurality of exemplary embodiment of the present utility model herein, but, in the situation that not departing from the utility model spirit and scope, still can directly determine or derive many other modification or the modification that meets the utility model principle according to the disclosed content of the utility model.Therefore, scope of the present utility model should be understood and regard as and cover all these other modification or modifications.
Claims (8)
1. for an air-flow control device for engine rig test, it is characterized in that, comprising:
Air inlet component, has air intake duct (101);
Flow control device (104), be arranged in described air intake duct (101), described flow control device comprises flow control blade (107) and stationary shaft (108), described stationary shaft (108) is arranged on described air inlet component, described flow control blade (107) is arranged on described stationary shaft (108) rotationally, described flow control blade (107) has the primary importance of the air mass flow minimum that makes described air intake duct (101) and makes the second place of the air mass flow maximum of described air intake duct (101), described flow control blade (107) moves between described primary importance and the described second place.
2. air-flow control device according to claim 1, is characterized in that, the quantity of described flow control blade (107) and stationary shaft (108) is a plurality of, a plurality of described flow control blades (107) setting that vertically distributes;
When described flow control blade (107) is positioned at described primary importance, the place plane of described flow control blade (107) is vertical with the airintake direction of described air intake duct (101);
When described flow control blade (107) is positioned at the described second place, the place plane of described flow control blade (107) is parallel with the airintake direction of described air intake duct (101).
3. air-flow control device according to claim 1, it is characterized in that, described flow control device (104) also comprises control handle (106), described control handle (106) is connected with described flow control blade (107), and described control handle (106) drives described flow control blade (107) to rotate.
4. air-flow control device according to claim 1, is characterized in that, described air-flow control device also comprises:
Portable base for supporting (102), is arranged on the bottom of described air inlet component;
Height adjuster (103), is connected between described portable base for supporting (102) and described air inlet component.
5. air-flow control device according to claim 1, is characterized in that, described air-flow control device also comprises:
Guide vane (105), is arranged in described air intake duct (101) and is positioned at the downstream part of described flow control device (104), with the air in described air intake duct (101), carries out water conservancy diversion.
6. air-flow control device according to claim 1, is characterized in that, described air inlet component has air intake opening and the gas outlet being communicated with described air intake duct (101), and the internal diameter of described gas outlet is greater than the internal diameter of described air intake opening.
7. air-flow control device according to claim 6, is characterized in that, the internal diameter of described gas outlet increases gradually along outgassing direction.
8. air-flow control device according to claim 4, is characterized in that, the bottom of described portable base for supporting (102) is provided with pulley and locking piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069436.1U CN203824752U (en) | 2014-02-18 | 2014-02-18 | Air flow control device for engine rig test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069436.1U CN203824752U (en) | 2014-02-18 | 2014-02-18 | Air flow control device for engine rig test |
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| Publication Number | Publication Date |
|---|---|
| CN203824752U true CN203824752U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420069436.1U Expired - Fee Related CN203824752U (en) | 2014-02-18 | 2014-02-18 | Air flow control device for engine rig test |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116097A (en) * | 2015-08-26 | 2015-12-02 | 常州大学 | Neutralization-process sulfur detector with oxygen flow rate control function |
| CN109781427A (en) * | 2018-12-12 | 2019-05-21 | 西安航天动力试验技术研究所 | The high mould of liquid attitude control engine tests reverse thin incoming flow simulator |
| CN111811767A (en) * | 2020-08-10 | 2020-10-23 | 中国空气动力研究与发展中心超高速空气动力研究所 | Free molecular flow generation device for rarefied gas dynamic test |
-
2014
- 2014-02-18 CN CN201420069436.1U patent/CN203824752U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116097A (en) * | 2015-08-26 | 2015-12-02 | 常州大学 | Neutralization-process sulfur detector with oxygen flow rate control function |
| CN109781427A (en) * | 2018-12-12 | 2019-05-21 | 西安航天动力试验技术研究所 | The high mould of liquid attitude control engine tests reverse thin incoming flow simulator |
| CN109781427B (en) * | 2018-12-12 | 2020-08-04 | 西安航天动力试验技术研究所 | Reverse rarefied incoming flow simulation device for liquid attitude control engine high-mode test |
| CN111811767A (en) * | 2020-08-10 | 2020-10-23 | 中国空气动力研究与发展中心超高速空气动力研究所 | Free molecular flow generation device for rarefied gas dynamic test |
| CN111811767B (en) * | 2020-08-10 | 2024-06-04 | 中国空气动力研究与发展中心超高速空气动力研究所 | Free molecular flow generating device for lean gas dynamic test |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20180218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |