CN105090592A - Control-flow-supply-angle-variable vortex valve used for solid thrust-variable engine - Google Patents
Control-flow-supply-angle-variable vortex valve used for solid thrust-variable engine Download PDFInfo
- Publication number
- CN105090592A CN105090592A CN201510411147.4A CN201510411147A CN105090592A CN 105090592 A CN105090592 A CN 105090592A CN 201510411147 A CN201510411147 A CN 201510411147A CN 105090592 A CN105090592 A CN 105090592A
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- CN
- China
- Prior art keywords
- control flow
- flow check
- swirl valve
- valve housing
- angle adjustment
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
- F16K31/042—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves with electric means, e.g. for controlling the motor or a clutch between the valve and the motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/0407—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/10—Means for additional adjustment of the rate of flow
Abstract
The invention discloses a control-flow-supply-angle-variable vortex valve used for a solid thrust-variable engine. In the case that working parameters of control flow are not changed, by changing the angle of the control flow entering a vortex chamber, the change of the angular momentum of the control flow entering the vortex chamber is achieved to achieve adjusting of the multi-thrust working condition of the vortex-valve type thrust-variable engine. The vortex valve is fixedly connected with the solid engine. A centre cone, the lining wall of the vortex chamber and a spraying pipe are located in a vortex valve shell, and the centre cone is fixedly connected with the vortex valve shell through a positioning bolt. The spraying pipe is fixed to one end of the vortex valve shell, and a protective cover is fixed to the end of the vortex valve shell through connecting bolts. One end of a control flow angle adjusting shaft penetrates the end wall of the vortex valve shell and an installing hole in the lining wall of the vortex chamber to be matched with a shaft hole in the centre cone, the other end of the control flow angle adjusting shaft is connected with an output shaft of a servo motor through a fastening bolt, and a limiting screw is installed on the vortex valve shell. The control-flow-supply-angle-variable vortex valve is simple in structure, safe and reliable.
Description
Technical field
The present invention relates to swirl valve solid engines change propulsive and flow control technique, specifically, relate to a kind of change control flow check for solid Variable Thrust Engine supply angle swirl valve.
Background technique
In solid engines change propulsive and flow control technique, eddy current valve type Variable Thrust Engine is a kind of technology of very practical.Swirl valve structure adopts and tangentially sprays into control flow check, forces combustion gas to rotate in vortex chamber, increases flow resistance, change firing chamber equilibrium pressure, and then affect propellant burning rate, realize the control to combustion gas growing amount and discharge capacity, realize the object that motor power regulates.
In existing disclosed technical paper " swirl valve geometric parameter is on the impact of solid engines thrust control characteristic " (" Push Technology ", Vol.28, No.4,2007, p352-355), a kind of swirl valve structure is proposed.Swirl valve structure in literary composition by control flow check spirt firing chamber, realizes the change of motor power by the fixing filling ring having tangential hole.If this device does not carry out the change of control flow check running parameter, device can only realize a kind of change of thrust.If this device realizes the change of many thrust by the change of control flow check parameter, during for employing cold air control flow check, need to increase the remote-controllable decompressor regulated on a large scale, and higher to the requirement of decompressor; To when adopting the control flow check of pack boronitriding formula, need and increase a set of solid engines controlling device, will make that system is more complicated, technical difficulty is larger.
Summary of the invention
The object of the invention is: do not changing the running parameter of control flow check, and when exceeding increase system complexity, the angle of vortex chamber is entered by changing control flow check, realize the change entering the moment of momentum of the control flow check of vortex chamber, realize the adjustment of many thrust operating mode of eddy current valve type Variable Thrust Engine; The present invention proposes a kind of change control flow check for solid Variable Thrust Engine supply angle swirl valve.
The technical solution adopted for the present invention to solve the technical problems is: comprise swirl valve, solid test engine, swirl valve is connected by end adpting flange and solid test engine, it is characterized in that described swirl valve comprises swirl valve housing, center cone, vortex chamber's lining, control flow check connecting-tube nozzle, control flow check angle adjustment axle, stop screw, motor support base, actuating motor, protective housing, holding down bolt, jet pipe, center cone, vortex chamber's lining and jet pipe are positioned at swirl valve housing Inner, and center cone and swirl valve housing are Spielpassung, and center cone and swirl valve housing are connected by holding down bolt, vortex chamber's lining and swirl valve housing, jet pipe is Spielpassung, and jet pipe is fixed in the middle of swirl valve housing end wall, and protective housing is positioned at swirl valve shell end, is connected by connecting bolt with swirl valve housing, and control flow check angle adjustment axle one end is through swirl valve housing end wall, mounting hole on vortex chamber's lining and the shaft hole matching on center cone, the other end of control flow check angle adjustment axle is through bearing and bearing cap, be connected by clamping bolt with servo motor output shaft, bearing cap is fixedly connected with swirl valve housing, stop screw is arranged on swirl valve housing, control flow check connecting-tube nozzle fixedly welds with swirl valve housing, control flow check connecting-tube nozzle coordinates with the control flow check collecting tray of control flow check angle adjustment axle, actuating motor is fixed on motor support base, and motor support base and swirl valve housing are connected,
Described control flow check angle adjustment axle is Step Shaft, the intermediate portion of control flow check angle adjustment axle is provided with control flow check collecting tray, control flow check entrance in control flow check collecting tray to be exported with control flow check by adjusting axle inner chamber and communicates, the both sides of collecting tray have the first seal groove and the second seal groove respectively, fan-shaped limited ring is provided with near the second seal groove side, relative sector limited ring cut-out angle is 162 degree, control flow check angle adjustment axle by fan-shaped limited ring to coordinate with stop screw carry out spacing, there is radial screw one end of control flow check angle adjustment axle and is axially connected blind hole and communicates.
Center cone, vortex chamber's lining and jet pipe adopt high-strength graphite.
Control flow check angle adjustment axle adopts tungsten ferronickel high-temperature alloy material.
Center cone, vortex chamber's lining, jet pipe and swirl valve housing are coaxially installed.
Beneficial effect
A kind of supply of the change control flow check for solid Variable Thrust Engine angle swirl valve that the present invention proposes, when not changing the running parameter of control flow check, enter the angle of vortex chamber by changing control flow check, realization enters the change of the moment of momentum of the control flow check of vortex chamber to realize the adjustment of many thrust operating mode of eddy current valve type Variable Thrust Engine.Swirl valve and solid test engine are connected, and center cone, vortex chamber's lining and jet pipe are positioned at swirl valve housing Inner, and center cone and swirl valve housing are connected by holding down bolt; Jet pipe is fixed on swirl valve housing end wall intermediate portion, and protective housing is fixed on swirl valve shell end by connecting bolt; Control flow check angle adjustment axle one end is through the mounting hole on swirl valve housing end wall, vortex chamber's lining and the shaft hole matching on center cone, the other end of control flow check angle adjustment axle is through bearing and bearing cap, be connected by clamping bolt with servo motor output shaft, bearing cap and swirl valve housing are connected.Stop screw is arranged on swirl valve housing.Become control flow check supply angle swirl valve structure simple, safe and reliable.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, a kind of supply of the change control flow check for solid Variable Thrust Engine of the present invention angle swirl valve is described in further detail.
Fig. 1 is that the present invention becomes control flow check supply angle swirl valve structural representation.
Fig. 2 is control flow check spray orifice varied angle schematic diagram of the present invention.
Fig. 3 is control flow check angle adjustment axle schematic diagram of the present invention.
Fig. 4 is control flow check angle adjustment axle right elevation of the present invention.
Fig. 5 is the A-A sectional view of Fig. 4.
Fig. 6 is solid test engine combustion chamber pressure-time plot.
In figure:
1. swirl valve housing 2. center cone 3. vortex chamber lining 4. control flow check connecting-tube nozzle 5. control flow check angle adjustment axle 6. stop screw 7. motor support base 8. clamping bolt 9. actuating motor 10. bearing 11. bearing cap 12. protective housing 13. connecting bolt 14. holding down bolt 15. first seal ring 16. second seal ring 17. jet pipe
A is that control flow check sprays into position, vortex chamber along vortex chamber's diametric(al); B and C is that control flow check and vortex chamber's diametric(al) swing when angle is respectively 72 degree and spray into position, vortex chamber; D is the interface of jet pipe and vortex chamber; F is control flow check angle adjustment Axial and radial screw; G is fan-shaped limited ring; H is the second seal groove; J is control flow check collecting tray; K is first lap seal groove; L is the outlet of control flow check; M is control flow check entrance; N is that control flow check angle adjustment axle axially connects blind hole;
Embodiment
The present embodiment is a kind of change control flow check for solid Variable Thrust Engine supply angle swirl valve.
Consult Fig. 1, the change control flow check supply angle swirl valve of the present embodiment solid Variable Thrust Engine, be made up of swirl valve, solid test engine, swirl valve is fixedly connected with solid test engine by end adpting flange; Wherein, swirl valve comprises swirl valve housing 1, center cone 2, vortex chamber's lining 3, control flow check connecting-tube nozzle 4, control flow check angle adjustment axle 5, stop screw 6, motor support base 7, clamping bolt 8, actuating motor 9, bearing 10, bearing cap 11, protective housing 12, connecting bolt 13, holding down bolt 14, first seal ring 15, second seal ring 16, jet pipe 17.Center cone 2, vortex chamber's lining 3 are arranged on swirl valve housing 1 Inner with jet pipe 17, and center cone 2 and swirl valve housing 1 are Spielpassung, and center cone 2 is fixedly connected with by holding down bolt 14 with swirl valve housing 1; Center cone 2 is fixed by holding down bolt 14 with the position of swirl valve housing 1, is convenient to install control flow check angle adjustment axle 5.Vortex chamber's lining 3 is Spielpassung with swirl valve housing 1, jet pipe 17.Jet pipe 17 is fixedly mounted on swirl valve housing 1 side wall intermediate portion, and protective housing is arranged on the rearward end of jet pipe 17, is fixedly connected with by connecting bolt 13 with swirl valve housing 1.Control flow check angle adjustment axle 5 one end is installed through the mounting hole on swirl valve housing 1 side wall, vortex chamber's lining 3 and the shaft hole matching on center cone 2, the other end of control flow check angle adjustment axle 5 is through bearing 10 and bearing cap 11, be connected by clamping bolt 8 with actuating motor 9 output shaft, bearing cap 11 is fixedly connected with swirl valve housing 1.Stop screw 6 is arranged on swirl valve housing 1; Control flow check connecting-tube nozzle 4 is positioned at swirl valve housing 1 side wall surface and coordinates with the control flow check collecting tray of control flow check angle adjustment axle, control flow check connecting-tube nozzle 4 fixedly welds with swirl valve housing 1, actuating motor 9 is bolted on motor support base 7, and motor support base 7 and swirl valve housing 1 are connected by bolt.Realized the rotation of control flow check angle adjustment axle 5 by the step-less adjustment of actuating motor 9, realize control flow check and spray and enter the change of vortex chamber's angle, and then realize the adjustment of many thrust operating mode of Variable Thrust Engine.
As shown in Fig. 2 ~ Fig. 5, control flow check angle adjustment axle 5 is Step Shaft, the intermediate portion of control flow check angle adjustment axle 5 is provided with control flow check collecting tray J, control flow check entrance M in control flow check collecting tray exports L by adjusting axle inner chamber and control flow check and communicates, the both sides of control flow check collecting tray have the first seal groove K and the second seal groove H respectively, second seal groove H side is provided with fan-shaped limited ring G, relative sector limited ring G cut-out angle is 162 degree, there is radial screw F one end of control flow check angle adjustment axle 5 and is axially connected blind hole N and communicates, control flow check angle adjustment axle 5 by fan-shaped limited ring to coordinate with stop screw 6 carry out spacing.The rotation angle of control flow check angle adjustment axle 5 has certain scope, and A is that control flow check sprays into position, vortex chamber along vortex chamber's diametric(al); B and C is that control flow check and vortex chamber's diametric(al) swing when angle is respectively 72 degree of angles and spray into position, vortex chamber; D is the interface of jet pipe 17 and vortex chamber.Control flow check angle adjustment axle 5 and contacts fuel gas, need to adopt exotic material to make.Because control flow check angle adjustment axle 5 is through swirl valve housing 1 and vortex chamber's lining 3, and support on center cone 2; Occur to prevent the combustion gas outflow in swirl valve and control flow check permeating in swirl valve or permeating to swirl valve outside, control flow check angle adjustment axle 5 is respectively equipped with the first seal groove K and the second seal groove H, with the surface of contact place of swirl valve housing 1, first seal ring 15, second seal ring 16 is installed at control flow check angle adjustment axle 5 to seal, realizes the impermeable of combustion gas and control flow check.
In the present embodiment, swirl valve housing 1 material adopts 45
#steel, center cone 2 and vortex chamber's lining 3 adopt high-strength graphite, and control flow check connecting-tube nozzle 4 is 45
#steel material, control flow check angle adjustment axle 5 selects tungsten ferronickel high-temperature alloy material, stop screw 6, clamping bolt 8 selection standard part; Motor support base 7 adopts 20
#steel material, two-phase stepping motor selected by actuating motor 9; Bearing 10 is 6200 type deep groove ball bearings, and bearing cap 11, protective housing 12 are 45
#steel material; Respective standard piece selected respectively by connecting bolt 13 and holding down bolt 14, first seal ring 15 and the second seal ring 16; Jet pipe 17 adopts high-strength graphite to process, and jet pipe 17 larynx footpath is 10mm.
In the present embodiment, when processing, control flow check connecting-tube nozzle 4 welds with swirl valve housing 1.Carry out the assembling of assembly: first jet pipe 17 and swirl valve housing 1 are assembled, jet pipe 17 and swirl valve housing 1 are Spielpassung; Again vortex chamber's lining 3 is carried out coordinating with swirl valve housing 1 and jet pipe 17 and assemble, during assembling, note the centering of the mounting hole of the control flow check angle adjustment axle 5 on vortex chamber's lining 3 and swirl valve housing 1; Center cone 2 coordinates when assembling with swirl valve housing 1, fixed by the relative position of center cone 2 with swirl valve housing 1 by holding down bolt 14; First seal ring 15, second seal ring 16 to be arranged on control flow check angle adjustment axle 5 in corresponding first seal groove K and the second seal groove H.Control flow check angle adjustment axle 5 one end is installed through the mounting hole on swirl valve housing 1 side wall, vortex chamber's lining 3 and the shaft hole matching on center cone 2, the other end of control flow check angle adjustment axle 5, through bearing 10 and bearing cap 11, is connected by clamping bolt with servo motor output shaft.Bearing cap 11 and swirl valve housing 1 are bolted to connection, and stop screw 6 is arranged on swirl valve housing 1; Protective housing 12 is fixedly connected with by connecting bolt 13 with swirl valve housing 1.
As shown in Figure 6, the swirl valve of assembling is connected with solid test engine carries out engine test work.Before carrying out engine test, carry out cold air experiment, detect sealing configuration.The propellant agent that engine test uses to be fuel gas temperature be 1300 DEG C without aluminium propellant agent, motor initial flow is 0.183kg/s, and control flow check employing high pressure nitrogen, pressure is 12.6MPa.Electric machine controller is used to control actuating motor 9 in experiment.Test engine igniting and time-oriented sequential control are by sequential device control realization of lighting a fire.The rotation of control flow check angle adjustment axle 5 two positions is carried out in experiment.In experimentation, control flow check angle adjustment axle 5 rotates flexibly, achieves the work of twice different operating mode of motor, obtains combustion chamber pressure-time graph.In combustion chamber pressure-time graph, first step is the working curve of motor when not spraying into control flow check, second step and the 3rd step for spraying into control flow check, the change of engine chamber pressure realized by regulable control stream angle.
Claims (4)
1., for a change control flow check supply angle swirl valve for solid Variable Thrust Engine, comprise swirl valve, solid test engine, swirl valve is connected by end adpting flange and solid test engine, it is characterized in that: described swirl valve comprises swirl valve housing, center cone, vortex chamber's lining, control flow check connecting-tube nozzle, control flow check angle adjustment axle, stop screw, motor support base, actuating motor, protective housing, holding down bolt, jet pipe, center cone, vortex chamber's lining and jet pipe are positioned at swirl valve housing Inner, and center cone and swirl valve housing are Spielpassung, and center cone and swirl valve housing are connected by holding down bolt, vortex chamber's lining and swirl valve housing, jet pipe is Spielpassung, and jet pipe is fixed in the middle of swirl valve housing end wall, and protective housing is positioned at swirl valve shell end, is connected by connecting bolt with swirl valve housing, and control flow check angle adjustment axle one end is through swirl valve housing end wall, mounting hole on vortex chamber's lining and the shaft hole matching on center cone, the other end of control flow check angle adjustment axle is through bearing and bearing cap, be connected by clamping bolt with servo motor output shaft, bearing cap is fixedly connected with swirl valve housing, stop screw is arranged on swirl valve housing, control flow check connecting-tube nozzle fixedly welds with swirl valve housing, control flow check connecting-tube nozzle coordinates with the control flow check collecting tray of control flow check angle adjustment axle, actuating motor is fixed on motor support base, and motor support base and swirl valve housing are connected,
Described control flow check angle adjustment axle is Step Shaft, the intermediate portion of control flow check angle adjustment axle is provided with control flow check collecting tray, control flow check entrance in control flow check collecting tray to be exported with control flow check by adjusting axle inner chamber and communicates, the both sides of collecting tray have the first seal groove and the second seal groove respectively, fan-shaped limited ring is provided with near the second seal groove side, relative sector limited ring cut-out angle is 162 degree, control flow check angle adjustment axle by fan-shaped limited ring to coordinate with stop screw carry out spacing, there is radial screw one end of control flow check angle adjustment axle and is axially connected blind hole and communicates.
2. the supply of the change control flow check for solid Variable Thrust Engine angle swirl valve according to claim 1, is characterized in that: center cone, vortex chamber's lining and jet pipe adopt high-strength graphite.
3. the supply of the change control flow check for solid Variable Thrust Engine angle swirl valve according to claim 1, is characterized in that: control flow check angle adjustment axle adopts tungsten ferronickel high-temperature alloy material.
4. the supply of the change control flow check for solid Variable Thrust Engine angle swirl valve according to claim 1, is characterized in that: center cone, vortex chamber's lining, jet pipe and swirl valve housing are coaxially installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510411147.4A CN105090592B (en) | 2015-07-14 | 2015-07-14 | A kind of change controlling stream for solid Variable Thrust Engine supplies angle swirl valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510411147.4A CN105090592B (en) | 2015-07-14 | 2015-07-14 | A kind of change controlling stream for solid Variable Thrust Engine supplies angle swirl valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105090592A true CN105090592A (en) | 2015-11-25 |
| CN105090592B CN105090592B (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510411147.4A Active CN105090592B (en) | 2015-07-14 | 2015-07-14 | A kind of change controlling stream for solid Variable Thrust Engine supplies angle swirl valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115807720A (en) * | 2022-11-22 | 2023-03-17 | 西北工业大学 | Variable thrust expansion compensation rocket engine based on vortex valve and plug type spray pipe |
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| CN101644209A (en) * | 2008-08-08 | 2010-02-10 | 西北工业大学 | Straight single-hole fuel gas fluid control valve |
| WO2013038398A1 (en) * | 2011-09-14 | 2013-03-21 | Rodicon Limited | A coupling assembly for coupling a valve to an outlet from a chamber and a chamber comprising the coupling assembly |
| CN203560163U (en) * | 2013-12-01 | 2014-04-23 | 中国海洋大学 | Vortex valve |
| US20140373951A1 (en) * | 2013-06-25 | 2014-12-25 | Emerson Process Management Regulator Technologies, Inc. | Heated fluid regulators |
-
2015
- 2015-07-14 CN CN201510411147.4A patent/CN105090592B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644209A (en) * | 2008-08-08 | 2010-02-10 | 西北工业大学 | Straight single-hole fuel gas fluid control valve |
| WO2013038398A1 (en) * | 2011-09-14 | 2013-03-21 | Rodicon Limited | A coupling assembly for coupling a valve to an outlet from a chamber and a chamber comprising the coupling assembly |
| US20140373951A1 (en) * | 2013-06-25 | 2014-12-25 | Emerson Process Management Regulator Technologies, Inc. | Heated fluid regulators |
| CN203560163U (en) * | 2013-12-01 | 2014-04-23 | 中国海洋大学 | Vortex valve |
Non-Patent Citations (1)
| Title |
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| 魏祥庚； 何国强； 李江； 刘佩进； 余晓京；: "涡流阀几何参数对固体发动机推力调节特性的影响", 《推进技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115807720A (en) * | 2022-11-22 | 2023-03-17 | 西北工业大学 | Variable thrust expansion compensation rocket engine based on vortex valve and plug type spray pipe |
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| CN105090592B (en) | 2017-08-29 |
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