CN203616129U - Blocking cover actuating device for ramjet separation test - Google Patents
Blocking cover actuating device for ramjet separation test Download PDFInfo
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- CN203616129U CN203616129U CN201320780600.5U CN201320780600U CN203616129U CN 203616129 U CN203616129 U CN 203616129U CN 201320780600 U CN201320780600 U CN 201320780600U CN 203616129 U CN203616129 U CN 203616129U
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- blanking cover
- test
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- rod chamber
- blocking cover
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Abstract
The utility model relates to a blocking cover actuating device for a ramjet separation test. The blocking cover actuating device comprises a cylinder control unit, a blocking cover connecting rod unit and a blocking cover position detection unit, and is used for simulating a dynamic process that an air intake duct radome is opened when a ramjet separation transfer test is carried out on a free jet bench. The blocking cover actuating device of the air intake duct test is installed between a jet pipe and an air intake duct lip, and the air intake duct lip is shielded by the blocking cover before separation; and when the separation starts, the blocking cover is opened by an actuating system, the air intake duct begins to capture incoming flow, and pressure is started to be built for channels in the engine. The process of starting pressure buildup in the air intake duct during the ground separation transfer test is ensured to be consistent with a flight test process by the test blocking cover, and authenticity of the ground separation transfer process is ensured; and according to the blocking cover actuating device, the risk that test equipment and the engine are possibly destroyed when the air intake duct radome for the flight test is opened is eliminated.
Description
Technical field
The utility model belongs to punching engine experimental technique field, relates generally to engine separation test device, specifically a kind of punching engine separation test blanking cover acting device.Turn level test for separating on the free jet test platform of ground time, research air intake duct radome fairing is opened the impact that turns level to separating.
Background technology
Punching engine, as near space vehicle cruise component power system, can not produce static thrust.Aircraft is in motors in boost phase penetration, more than roll booster first accelerates to Start mach number by aircraft; Aircraft starts to separate and turns level, and air intake duct radome fairing is opened, boosting separates, engine rapid-ignition.Turn grade process aircraft in unpowered state, therefore separate, to turn grade process time requirement as far as possible short.If radome fairing opening time is too early, it is elongated that separation turns grade process time, and Flight Vehicle Structure risk increases; If radome fairing opening time is excessively late, engine internal channel is built pressure and is not completed, and affects boosting and separates reliability.
In order effectively to reduce the flight test risk of punching engine, best solution is to carry out engine separation at ground free jet test platform to turn level test.As test unit, the air intake duct radome fairing that blanking cover can not directly adopt state of flight to use, because radome fairing release, open and cast aside process and can destroy equipment jet pipe and engine product.Therefore need design to separate to turn a level test air intake duct blanking cover actuating system to carry out simulated engine radome fairing opening procedure, research separates and turns radome fairing in level test and open the impact that separation is turned to grade test feature.On free jet test platform, separate while turning level test by there is not yet at present, air intake duct blanking cover is opened and is turned a grade report for result impact to separating.
Utility model content
The utility model separates and turns a grade test demand for punching engine, provide a kind of blanking cover to open with rotating manner, blanking cover opening speed is with the opening speed of true air intake duct radome fairing in same magnitude, and process of the test can accurately obtain the punching engine separation test blanking cover acting device of air intake duct radome fairing start time.
Technical solution of the present utility model:
Punching engine separation test blanking cover acting device, comprises cylinder control module, blanking cover linkage unit and blanking cover position detection unit.
Described cylinder control module comprises cylinder 2, be arranged on the piston rod 23 in cylinder, rodless cavity gases at high pressure tank 3, rodless cavity operation valve 4, rodless cavity stop valve 9, rod chamber gases at high pressure tank 5, rod chamber operation valve 6 and rod chamber stop valve 10, cylinder 2 is divided into rod chamber 22 and rodless cavity 21 by described piston rod, described rodless cavity gases at high pressure tank 3 is communicated with rodless cavity 21 by rodless cavity stop valve 9, described rod chamber gases at high pressure tank 5 is communicated with rod chamber 22 by rod chamber operation valve 6, described rodless cavity operation valve 4 is communicated with rodless cavity 21, described rod chamber stop valve 10 is communicated with rod chamber 22, described rodless cavity operation valve 4 and rod chamber operation valve 6 steering orders are sent by engine test bench control system 24,
Described blanking cover linkage unit comprises blanking cover 1, connecting rod 13, fixed rotating shaft 14, peri position stop means 11 and amphi position stop means 12, described blanking cover is fixed on one end of connecting rod 13, the other end of described connecting rod 13 is connected with fixed rotating shaft 14 and can be around fixed rotating shaft 14 at a rotation with in surface, the end of described piston rod 23 is fixed on the middle part of connecting rod 13, described peri position stop means 11 is for blanking cover 1 is limited to off-position, and described amphi position stop means 12 is for being limited to open position by blanking cover 1;
Described blanking cover position detection unit comprises and is positioned at the peri position magnetic induction sensor 8 of blanking cover off-position, the amphi position magnetic induction sensor 7 that is positioned at blanking cover open position and test number of units extraction system 25, and described peri position magnetic induction sensor sends to test number of units extraction system 25 for the off-position of responsive blanking cover and by off-position signal; Described amphi position magnetic induction sensor sends to test number of units extraction system 25 for the open position of responsive blanking cover and by open position signal.
Above-mentioned piston rod is connected with connecting rod by sliding bearing.
Above-mentioned blanking cover axial location is arranged between lab-size equipment jet pipe and inlet lip.
Above-mentioned rodless cavity operation valve 4, rod chamber operation valve 6 are pneumatic control valve.
Advantage that the utility model has:
1, the utility model is according to test needs, by aerodynamics, automatic control technology and mechanical transmissioning technology integrated use, Creative Design goes out punching engine separation test blanking cover acting device, solved on free jet test platform and separated while turning level test, examination air intake duct radome fairing is opened the problem that turns level impact to separating.
2, the time that blanking cover actuating system start time and the release of air intake duct radome fairing are opened is very approaching, and test unit cost is low, and security is good, and reusable consistance is high.
3, realization of the present utility model is also to test blanking cover axial location and is arranged between lab-size equipment jet pipe and inlet lip, can before blanking cover OPEN, guarantee that like this engine internal channel does not have air-flow vibration, the impact that real simulation radome fairing is opened.
4, the start source of the utility model blanking cover adopts pneumatic cylinder, and operation valve adopts pneumatic start valve.Adopt the pneumatic flowing mode of doing can guarantee the quick start of acting device, and pollution-free to testing table.
5, because adopt pneumatic start blanking cover scheme of rotation, it is very approaching that blanking cover actuating system turns start time and air intake duct radome fairing opening time in grade process of the test in separation, and can realize testing table and automatically control, experimental bench system can accurately record blanking cover opening time, and it is low to have cost, security is good, favorable repeatability, the feature of test figure high conformity.
Accompanying drawing explanation
Fig. 1 is the utility model blanking cover start work schematic diagram;
Fig. 2 is the utility model blanking cover installation site schematic diagram;
Fig. 3 is the utility model blanking cover actuating system workflow diagram;
Fig. 4 is that punching engine separates the test figure curve map that turns blanking cover actuating system in level test;
Wherein Reference numeral is: 1-blanking cover, 2-cylinder, 3-rodless cavity gases at high pressure tank, 4-rodless cavity operation valve, 5-rod chamber gases at high pressure tank, 6-rod chamber operation valve, 7-amphi position magnetic induction sensor, 8-peri position magnetic induction sensor, 9-rodless cavity stop valve, 10-rod chamber stop valve, 11-peri position stop means, 12-amphi position stop means, 13-connecting rod, 14-fixed rotating shaft, 21-rodless cavity, 22-rod chamber, 23-piston rod, 24-engine test bench control system, 25-engine test number of units extraction system.
Embodiment
The punching engine separation test blanking cover acting device that the utility model provides, mainly includes cylinder control module, blanking cover linkage unit and blanking cover position detection unit.
Cylinder control module comprises cylinder 2, be arranged on the piston rod 23 in cylinder, rodless cavity gases at high pressure tank 3, rodless cavity operation valve 4, rodless cavity stop valve 9, rod chamber gases at high pressure tank 5, rod chamber operation valve 6 and rod chamber stop valve 10, cylinder 2 is divided into rod chamber 22 and rodless cavity 21 by piston rod 23, rodless cavity gases at high pressure tank 3 is communicated with rodless cavity 21 by rodless cavity stop valve 9, rod chamber gases at high pressure tank 5 is communicated with rod chamber 22 by rod chamber operation valve 6, by rodless cavity operation valve 4, the gases at high pressure in rodless cavity 21 are discharged, by rod chamber stop valve 10, the gases at high pressure in rod chamber 22 are discharged, rodless cavity operation valve 4 and rod chamber operation valve 6 steering orders are sent by engine test bench control system 24, no matter be that the motor-operated control valve control signal that rod chamber or rodless cavity are corresponding is sent by engine test bench control system 24.
Blanking cover linkage unit comprises blanking cover 1, connecting rod 13, fixed rotating shaft 14, peri position stop means 11 and amphi position stop means 12, lid is connected in connecting rod top, the other end of this connecting rod is connected with fixed rotating shaft, fixed rotating shaft can be fixed on metope, also can be fixed on engine installs on table top, can also fix on the ground, the piston rod end of two-chamber cylinder is connected to the middle part of connecting rod by bearing, connecting rod can be moved by the piston movement drive link of cylinder at a rotation with in surface around fixed rotating shaft 14, drive blanking cover start, peri position stop means 11 is for being limited to off-position by blanking cover 1, amphi position stop means 12 is for being limited to open position by blanking cover 1.
Blanking cover position detection unit comprises peri position magnetic induction sensor 8, amphi position magnetic induction sensor 7 and test number of units extraction system 25, peri position magnetic induction sensor 8 is arranged at blanking cover and cuts out detection position, and amphi position magnetic induction sensor 7 arranges and is installed on blanking cover and opens detection position.Peri position magnetic induction sensor sends to test number of units extraction system 25 for the off-position of responsive blanking cover and by off-position signal; Amphi position magnetic induction sensor sends to test number of units extraction system 25 for the open position of responsive blanking cover and by open position signal.In process of the test, magnetic induction sensor detects blanking cover position signalling, and shows testing result in the mode of switching signal.
Realization of the present utility model is also: the process of piston driving blanking cover connecting rod rotating opening test blanking cover 1 is to simulate air intake duct blanking cover opening procedure by rotation.The rigidity of blocking cover structure is guaranteed in such design, guarantees reliable in structure, start fast under jet pipe large flow-rate gas stream impacts.
The concrete technical scheme realizing is as follows.
Air intake duct blanking cover is arranged between test bench installation jet pipe and air intake duct air hatch, and before test is carried out, blanking cover is blocked inlet lip, reduces intake resistance and prevents the pressure oscillation of engine internal channel; Send after separation command, blanking cover is opened rapidly, and internal channel is built to press and released roll booster.
Air intake test blanking cover rotating manner, guarantees that the opening speed of blanking cover opening speed and true blanking cover is in same magnitude; Magnetic induction switch is installed in the position opening and closing at blanking cover, accurately obtains the blanking cover start time.
Below in conjunction with accompanying drawing and concrete implementation process, the utility model is described in detail
Punching engine is separated to the impact that turns level characteristics in order to study air intake duct radome fairing, need on the free jet test platform of ground, separate and turn level test blanking cover actuating system.The utility model provides a kind of punching engine separation test blanking cover acting device, referring to Fig. 1, blanking cover acting device of the present utility model mainly includes cylinder control module, blanking cover linkage unit and blanking cover position detection unit, above-mentioned three unit have formed the main body of blanking cover acting device, and secondly this device is also relevant to installing component, installation basis and stop means etc.Cylinder control module of the present utility model comprises a two-chamber cylinder 2, rod chamber in two-chamber cylinder is successively by rod chamber high pressure gas tank 5, rod chamber operation valve 6, rod chamber stop valve 10 is controlled, and the rodless cavity in two-chamber cylinder is equally successively by rodless cavity high pressure gas tank 3, rodless cavity operation valve 4, rodless cavity stop valve 9 is controlled, two operation valves are by the control of engine test bench control system, and test console sends blanking cover start instruction, realize the information transmission of blanking cover start by operation valve.The test blanking cover of blanking cover linkage unit is connected in connecting rod top, the other end of this connecting rod is connected with rotating shaft, rotating shaft is fixed on firm basis, this routine shaft is fixed on equipment jet pipe place metope, the termination of the piston rod of two-chamber cylinder is by being connected to the middle part of connecting rod, in this example, adopt sliding bearing to connect, undertaken rotating counterclockwise and counterclockwise by the piston linear motion drivening rod in cylinder, realize the opening and closing of blanking cover.Blanking cover position detection unit comprises two magnetic induction sensors and corresponding signal acquiring system thereof.A magnetic induction sensor is arranged at blanking cover and cuts out detection position, and another magnetic induction sensor setting is also installed on blanking cover and opens detection position.In process of the test, magnetic induction sensor detects blanking cover position signalling, and shows testing result in the mode of switching signal.
The start source of the utility model blanking cover adopts pneumatic cylinder, and operation valve adopts pneumatic start valve.
Punching engine separation test is with blanking cover acting device with embodiment 1, and test blanking cover axial location is arranged between lab-size equipment jet pipe and inlet lip.
The utility model or a kind of punching engine separation test blanking cover start method, be to carry out on above-mentioned punching engine separation test blanking cover acting device, and referring to Fig. 3, the process that realizes engine separation test with blanking cover start comprises:
Punching engine separation test blanking cover acting device and method are with embodiment 1-3.
Fig. 4 is that punching engine separates the test figure that turns blanking cover actuating system in level test.
In figure, A is rodless cavity operation valve 4, the start instruction of rod chamber operation valve 6, and B is the signal of amphi position magnetic induction sensor 7, and high level indication blanking cover is in off-position, and C is the signal of peri position magnetic induction sensor 8, and high level indication blanking cover is at open position.In test, testing table sends start instruction, complete to start from starting start, and 0.18s while sharing, basically identical with air intake duct radome fairing opening time.
Claims (4)
1. punching engine separation test blanking cover acting device, is characterized in that: comprise cylinder control module, blanking cover linkage unit and blanking cover position detection unit,
Described cylinder control module comprises cylinder (2), be arranged on the piston rod (23) in cylinder, rodless cavity gases at high pressure tank (3), rodless cavity operation valve (4), rodless cavity stop valve (9), rod chamber gases at high pressure tank (5), rod chamber operation valve (6) and rod chamber stop valve (10), cylinder (2) is divided into rod chamber (22) and rodless cavity (21) by described piston rod, described rodless cavity gases at high pressure tank (3) is communicated with rodless cavity (21) by rodless cavity stop valve (9), described rod chamber gases at high pressure tank (5) is communicated with rod chamber (22) by rod chamber operation valve (6), described rodless cavity operation valve (4) is communicated with rodless cavity (21), described rod chamber stop valve (10) is communicated with rod chamber (22), described rodless cavity operation valve (4) and rod chamber operation valve (6) steering order are sent by engine test bench control system (24),
Described blanking cover linkage unit comprises blanking cover (1), connecting rod (13), fixed rotating shaft (14), peri position stop means (11) and amphi position stop means (12), described blanking cover is fixed on one end of connecting rod (13), the other end of described connecting rod (13) is connected with fixed rotating shaft (14) and can be around fixed rotating shaft (14) at a rotation with in surface, the end of described piston rod (23) is fixed on the middle part of connecting rod (13), described peri position stop means (11) is for being limited to off-position by blanking cover (1), described amphi position stop means (12) is for being limited to open position by blanking cover (1),
Described blanking cover position detection unit comprises and is positioned at the peri position magnetic induction sensor (8) of blanking cover off-position, the amphi position magnetic induction sensor (7) that is positioned at blanking cover open position and test number of units extraction system (25), and described peri position magnetic induction sensor sends to test number of units extraction system (25) for the off-position of responsive blanking cover and by off-position signal; Described amphi position magnetic induction sensor sends to test number of units extraction system (25) for the open position of responsive blanking cover and by open position signal.
2. punching engine separation test blanking cover acting device according to claim 1, is characterized in that: described piston rod is connected with connecting rod by sliding bearing.
3. punching engine separation test blanking cover acting device according to claim 1 and 2, is characterized in that: described blanking cover axial location is arranged between lab-size equipment jet pipe and inlet lip.
4. punching engine separation test blanking cover acting device according to claim 3, is characterized in that: described rodless cavity operation valve (4), rod chamber operation valve (6) are pneumatic control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780600.5U CN203616129U (en) | 2013-11-29 | 2013-11-29 | Blocking cover actuating device for ramjet separation test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780600.5U CN203616129U (en) | 2013-11-29 | 2013-11-29 | Blocking cover actuating device for ramjet separation test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203616129U true CN203616129U (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320780600.5U Withdrawn - After Issue CN203616129U (en) | 2013-11-29 | 2013-11-29 | Blocking cover actuating device for ramjet separation test |
Country Status (1)
| Country | Link |
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| CN (1) | CN203616129U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630362A (en) * | 2013-11-29 | 2014-03-12 | 中国航天科技集团公司第六研究院第十一研究所 | Closure actuation device and method for ramjet separation test |
| CN106121825A (en) * | 2016-07-28 | 2016-11-16 | 西安航天动力试验技术研究所 | Engine inlets blanking cover and open and close system thereof |
| CN110758753A (en) * | 2019-12-05 | 2020-02-07 | 江西洪都航空工业集团有限责任公司 | Actuating type flow guide supersonic air inlet channel plug cover and aircraft |
-
2013
- 2013-11-29 CN CN201320780600.5U patent/CN203616129U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630362A (en) * | 2013-11-29 | 2014-03-12 | 中国航天科技集团公司第六研究院第十一研究所 | Closure actuation device and method for ramjet separation test |
| CN103630362B (en) * | 2013-11-29 | 2016-05-18 | 中国航天科技集团公司第六研究院第十一研究所 | Blanking cover acting device and method for punching engine separation test |
| CN106121825A (en) * | 2016-07-28 | 2016-11-16 | 西安航天动力试验技术研究所 | Engine inlets blanking cover and open and close system thereof |
| CN106121825B (en) * | 2016-07-28 | 2018-03-13 | 西安航天动力试验技术研究所 | Engine inlets blanking cover and its open and close system |
| CN110758753A (en) * | 2019-12-05 | 2020-02-07 | 江西洪都航空工业集团有限责任公司 | Actuating type flow guide supersonic air inlet channel plug cover and aircraft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140528 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |