CN102506220B - Valve rapid-closing device by aid of solid rocket driving force - Google Patents
Valve rapid-closing device by aid of solid rocket driving force Download PDFInfo
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- CN102506220B CN102506220B CN201110283047.XA CN201110283047A CN102506220B CN 102506220 B CN102506220 B CN 102506220B CN 201110283047 A CN201110283047 A CN 201110283047A CN 102506220 B CN102506220 B CN 102506220B
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Abstract
The invention relates to a valve rapid-closing device by the aid of solid rocket driving force, which belongs to the technical field of large-sized pipe valves and particularly comprises a solid rocket gas generator, a cooling device, a filter, a safety valve, a cylinder, a bracket, a clamp hoop, a shifting fork, a shifting fork end cap, a connecting pin, a positioner, a fixing key, a ball valve stem and a ball valve end cap. The solid rocket gas generator is used as a power source, low-temperature chemicals are filled in a rocket engine, the cooling device is disposed at an outlet of a tail nozzle jet, and accordingly thermal load of a system is reduced. The safety valve is arranged in an airflow pipe, so that system safety is strengthened; a positioning function of the positioner is realized so as to guarantee positioning of a valve when the valve is closed; and the closing speed of the large-sized pipe valve can be obviously increased, and the valve rapid-closing device is simple in structure and safe and reliable in use. In addition, the valve rapid-closing device is used as power equipment for driving a ball valve, has the advantages of capability of generating a large quantity of gas fast, rapid response speed and the like, and accordingly can realize fast response of the valve.
Description
Technical field
The present invention relates to a kind of valve rapid-closing device that utilizes solid-rocket driving force, belong to large-scale pipeline valve technology field.
Background technique
Ball valve is widely used in various delivering pipes, as petroleum pipeline, natural gas line etc., its function be when pipeline maintenance or accident, play a part to block in pipe mobile.For large size valve, conventionally adopt that electricity-machine drives, electricity-gas drive is moving or electricity-liquid drives.Electricity-machine actuating speed is slower, is difficult to meet the requirement of emergency lower valve quick closedown, and electricity-gas drive is moving to be driven with electricity-machine and drive and compare with electricity-liquid, and speed increases, but structure is comparatively complicated, and cost is higher, and regular maintenance is comparatively complicated.
Rocket motor utilizes self-contained propellant agent as the energy, can produce fast a large amount of gas combustion products.Not yet have at present rocket motor technology is applied to the correlative study in pipeline valve technology.
Summary of the invention
The object of the invention is for further improving valve closing speed, provide a kind of rocket motor that utilizes to generate fast a large amount of gas as driving force, by the device of cylinder piston fast driving valve closing.
A valve rapid-closing device that utilizes solid-rocket driving force, specifically comprises: solid-rocket gas generator, cooling unit, filter, safety valve, cylinder, bracket, clip, shift fork, shift fork end cap, connecting pin, positioning work piece, retainingf key, ball-valve valve rod and ball valve end cap.The annexation of above-mentioned each constituent element is: solid-rocket gas generator, cooling unit, filter, safety valve, cylinder are connected successively by connecting tube respectively, are fixed on bracket inside; By clip, the pipeline of bracket and mounting ball valve is connected and fixed; One end of shift fork is connected with the piston push rod of cylinder by connecting pin, and shift fork end cap is installed; The shift fork the other end is connected and fixed by retainingf key and ball-valve valve rod; Positioning work piece is arranged on ball valve end cap.
Described solid-rocket gas generator comprises igniter, front head, front support, front grate, solid-rocket gas generator housing, solid-rocket powder charge, rear grate and jet pipe; Its annexation is: between front support, jet pipe and solid-rocket gas generator housing, adopt and be threaded, and seal with seal ring; Front support is connected and is used for supporting front grate with front grate; Front grate and solid-rocket powder charge are axially connected and fixed; The solid-rocket powder charge the other end is provided with rear grate.The oxygenant that solid-rocket gas generator of the present invention is used and incendiary agent are all solid-state, select low temperature medicament, and evenly mix in advance, and the powder charge of making definite shape and size, is positioned in solid-rocket gas generator.Solid-rocket gas generator housing adopts alloyed steel, to strengthen the Security of motor.
Described cylinder mainly comprises cylinder shell, piston, piston packing, suction valve, outlet valve, piston push rod and piston push rod seal ring; The annexation of above-mentioned constituent element is: between piston and cylinder shell, piston push rod and cylinder shell, adopt respectively piston packing and the sealing of piston push rod seal ring; Suction valve and outlet valve are positioned at piston top dead center position end, and pressurized gas enter cylinder by suction valve, promote the motion of piston driving piston push rod; Piston push rod one end is connected with piston, and the other end is connected with shift fork by connecting pin.Wherein, cylinder shell, piston and piston push rod adopt high temperature resistance and high strength material; Piston packing ring adopts exotic material, strengthens Security.
Described cooling unit is for reducing the temperature of gas that gas generator produces.
Described filter adopts exotic material, and the solid impurity producing for filtering solid-rocket powder charge burning, prevents that solid impurity from entering follow up device and result in blockage or affect sealing.
Described bracket adopts high-strength material, for the position of solid-rocket gas generator, cooling unit, filter, safety valve, cylinder is fixed.
Described clip adopts high-strength material, for bracket is fixed on to pipeline.
Described positioning work piece adopts high-strength material, wherein has spring and positioning block, for the closed position of positioning valve.
Described shift fork adopts high-strength material, which is provided with locating slot; The shape of locating slot is consistent with positioning block, drives valve closing, and in valve closing position, coordinate Locked valve closed position with positioning work piece for transmitting the thrust of piston push rod.
Described shift fork end cap adopts high-strength material, the Security being connected with piston push rod for strengthening shift fork.
Described arranged at safety valve is in normally off, when the gas pressure through safety valve surpasses the safety value of regulation, automatically open, to extraneous exhausting air to prevent that in safety valve, gas pressure surpasses security value (s).
Described connecting pin adopts high-strength material, for the motion of piston push rod is delivered to shift fork.
Described retainingf key adopts high-strength material, for locking the relative position of shift fork and ball-valve valve rod, so that ball-valve valve rod can rotate and rotate along with shift fork.
Described ball valve end cap adopts high-strength material, makes positioning work piece mounting hole or mounting groove on end cap, is the working platform of positioning work piece.
On described ball-valve valve rod, be processed with for placing the keyway of retainingf key.
The working procedure of apparatus of the present invention is: after solid-rocket gas generator is lighted by igniter, solid-rocket powder charge burning produces a large amount of gas, gas enters cooling unit and carries out cooling, via filter, filter out solid impurity again, then the safety valve of flowing through flows into cylinder, promotes piston and does straight line motion.When piston moves to bottom dead center position by top dead center position, just in time promote shift fork and drive valve rod half-twist, make it from opening state, become closed condition.When ball valve valve is in the closed position, the locating slot of shift fork is just in time aimed at positioning work piece, and positioning work piece inner spring pushes locating slot by positioning block and makes shift fork location, thus by ball valve door locked in closed position.
Beneficial effect
The advantages such as the present invention adopts solid-rocket gas generator as power source, has power large, and reaction velocity is fast.Projectile charge has adopted low temperature medicament, and is provided with cooling unit in jet pipe outlet port, has reduced the heat load of system.In airflow line, be provided with safety valve, strengthened security of system.Adopt positioning work piece location, guaranteed valve location in off position.
The present invention can obviously improve the closing velocity of large-scale pipeline valve, and simple in structure, safe and reliable.Solid propellant rocket related to the present invention has simple in structure, easy to maintenance, and quick-reaction capability is strong, functional reliability advantages of higher.Using this power equipment driving as ball valve, utilize it can produce fast the features such as a large amount of gas, reaction velocity is fast, can realize the quick response of valve.
Accompanying drawing explanation
Fig. 1 is the structure plan view that utilizes the valve rapid-closing device of solid-rocket driving force of the present invention;
Fig. 2 is the structure side view that utilizes the valve rapid-closing device of solid-rocket driving force of the present invention;
Fig. 3 is the solid-rocket gas generator structural representation that utilizes the valve rapid-closing device of solid-rocket driving force of the present invention;
Fig. 4 is the cylinder piston structure schematic diagram that utilizes the valve rapid-closing device of solid-rocket driving force of the present invention.
Label declaration:
1-solid-rocket gas generator, 2-cooling unit, 3-filter, 4-safety valve, 5-cylinder, 6-connecting pin, 7-shift fork, 8-shift fork end cap, 9-ball-valve valve rod, 10-retainingf key, 11-ball valve end cap, 12-positioning work piece, 13-locating slot, 14-ball valve, 15-bracket, 16-clip, 17-pipeline, 18-igniter, 19-front head, 20-front support, grate before 21-, 22-solid-rocket gas generator housing, the powder charge of 23-solid-rocket, grate after 24-, 25-jet pipe, 26-cylinder shell, 27-piston, 28-piston packing, 29-suction valve, 30-outlet valve, 31-piston push rod, 32-piston push rod seal ring, 33-piston top dead center position, 34-piston B.D.C position.
Embodiment
In order better to illustrate, be further described objects and advantages of the present invention below in conjunction with accompanying drawing.
In Fig. 1, the solid-rocket that utilizes of present embodiment provides the valve rapid-closing device of driving force to comprise: solid-rocket gas generator 1, cooling unit 2, filter 3, safety valve 4, cylinder 5, connecting pin 6, shift fork 7, shift fork end cap 8, ball-valve valve rod 9, retainingf key 10, ball valve end cap 11, positioning work piece 12, bracket 15, clip 16.Solid-rocket gas generator 1, cooling unit 2, filter 3, safety valve 4, cylinder 5 by clip 16 be bolted to bracket 15 on become as a whole so that transportation, installation and maintenance.Bracket 15 is by clip 16 and be bolted on the appropriate location of pipeline 17.After solid-rocket gas generator 1 is lighted by igniter 18, a large amount of gases that solid-rocket powder charge 23 burnings produce, gas enter cooling unit 2 carry out cooling after, inflow filter 3 filters out solid impurity, then flow into safety valve 4, if stream pressure surpasses the safety value that safety valve 4 is set, safety valve 4 is opened and is carried out pressure release, when stream pressure is in safety range, can from suction valve 29, flow into cylinder 5 by safety valve 4, promoting piston 27 is moved to bottom dead center position 34 by top dead center position 33, piston 27 promotes shift fork 7 by piston push rod 31 and drives the spheroid in ball-valve valve rod 9 and valve body to rotate, when piston moves to bottom dead center position 34 by top dead center position 33, shift fork 7 just turns over 90 °, thereby make valve 14 become closed condition from opening state.When valve is in the closed position, the locating slot 13 of shift fork is just in time aimed at positioning work piece 12, and the spring in positioning work piece 12 pushes locating slot 13 by positioning block and makes shift fork location, thus by locking valve in closed position.
In Fig. 2, the piston push rod 31 of present embodiment is in the same plane with shift fork 7.
In Fig. 3, the solid-rocket gas generator of present embodiment comprises: igniter 18, front head 19, front support 20, front grate 21, solid-rocket gas generator housing 22, solid-rocket powder charge 23, rear grate 24, jet pipe 25.Housing front end is provided with front head 19, for firing chamber provides closed environment; Powder charge has front support 20, front grate 21 near front head 19 places, and front support 20 is connected with front grate 21, and for supporting front grate 21, front grate 21 is axially connected with solid-rocket powder charge 23, for fixed solid rocket charge 23; Powder charge rear end is provided with rear grate 24; Jet pipe 25 is equipped with in housing rear end.What the solid-rocket powder charge 23 of present embodiment adopted is star-like medicine, according to thrust needs, also can select the powder charge of other different profiles such as cast medicine, thereby realize different thrust requirements.Solid charge selects that low temperature, few cigarette, corrosivity are little, impact sensitivity and the lower powder charge of friction sensitivity, to strengthen the safety and reliability of solid-rocket gas generator.
In Fig. 4, the cylinder 5 of present embodiment comprises: cylinder shell 26, piston 27, piston packing 28, suction valve 29, outlet valve 30, piston push rod 31, piston push rod seal ring 32, piston top dead center position 33, piston B.D.C position 34.Cylinder shell 26, piston 27, piston push rod 31 all adopt the manufacture of high temperature resistance and high strength material; Rod packing 31 is made by heat resistant and wear resistant material; Piston packing ring 28 is made by heat resistant and wear resistant material, is used to cylinder that closed environment is provided.The larger side that can be subject in the time of need taking into full account pistons work while manufacturing cylinder piston is to power.
For inside nominal diameter, be the large diameter pipeline valve of about 1000mm, adopt that traditional electricity-gas drive is moving, electricity-liquid drives or electricity-machine drives, from electric motor starting to valve closing, conventionally need tens of seconds to several minutes.And in solid-rocket gas generator, according to the difference of powder charge character and size of powder charge, solid-rocket powder charge can complete burning in less than one second to the time of several seconds, sufficient pressurized gas are provided, by cylinder piston and shift fork, promote fast valve closing.Therefore, this method for driving can drive large size valve to close in a short period of time, thereby has greatly reduced valve closing needed time.
Claims (8)
1. utilize a valve rapid-closing device for solid-rocket driving force, described valve is ball valve, it is characterized in that: specifically comprise solid-rocket gas generator, cooling unit, filter, safety valve, cylinder, bracket, clip, shift fork, shift fork end cap, connecting pin, positioning work piece, retainingf key, ball-valve valve rod and ball valve end cap; Solid-rocket gas generator, cooling unit, filter, safety valve, cylinder are connected successively by connecting tube respectively, are fixed on bracket; By clip, the pipeline of bracket and mounting ball valve is connected and fixed; One end of shift fork is connected with the piston push rod of cylinder by connecting pin, and shift fork end cap is installed; The shift fork the other end is connected and fixed by retainingf key and ball-valve valve rod; Positioning work piece is arranged on ball valve end cap;
Described solid-rocket gas generator comprises igniter, front head, front support, front grate, solid-rocket gas generator housing, solid-rocket powder charge, rear grate and jet pipe; Between front support, jet pipe and solid-rocket gas generator housing, adopt and be threaded, and seal with seal ring; Front support is connected and is used for supporting front grate with front grate; One end of solid-rocket powder charge and front grate are axially connected and fixed, and the other end is provided with rear grate;
Described cylinder comprises cylinder shell, piston, piston packing, suction valve, outlet valve, piston push rod and piston push rod seal ring; Between piston and cylinder shell, piston push rod and cylinder shell, adopt respectively piston packing and the sealing of piston push rod seal ring; Suction valve and outlet valve are positioned at piston top dead center position end, and pressurized gas enter cylinder by suction valve, promote the motion of piston driving piston push rod; Piston push rod is connected with piston.
2. a kind of valve rapid-closing device that utilizes solid-rocket driving force according to claim 1, it is characterized in that: described solid-rocket gas generator adopts alloyed steel housing, select solid oxidizer and incendiary agent, and use mixed uniformly low temperature medicament in advance.
3. a kind of valve rapid-closing device that utilizes solid-rocket driving force according to claim 1, is characterized in that: described cylinder shell, piston and piston push rod adopt high temperature resistance and high strength material; Piston packing and filter adopt exotic material.
4. a kind of valve rapid-closing device that utilizes solid-rocket driving force according to claim 1, is characterized in that: described bracket, clip, positioning work piece, connecting pin, retainingf key, ball valve end cap, shift fork and shift fork end cap all adopt high-strength material.
5. a kind of valve rapid-closing device that utilizes solid-rocket driving force according to claim 1, is characterized in that: in described positioning work piece, have spring and positioning block, for positioning valve closed position.
6. a kind of valve rapid-closing device that utilizes solid-rocket driving force according to claim 1, is characterized in that: described shift fork is provided with locating slot; Shift fork drives valve closing for transmitting the thrust of piston push rod, and in valve closing position, coordinates Locked valve closed position with positioning work piece.
7. a kind of valve rapid-closing device that utilizes solid-rocket driving force according to claim 1, is characterized in that: on described ball valve end cap, making positioning work piece mounting hole or mounting groove, is the working platform of positioning work piece.
8. a kind of valve rapid-closing device that utilizes solid-rocket driving force according to claim 1, is characterized in that: on described ball-valve valve rod, be processed with for placing the keyway of retainingf key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110283047.XA CN102506220B (en) | 2011-09-22 | 2011-09-22 | Valve rapid-closing device by aid of solid rocket driving force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110283047.XA CN102506220B (en) | 2011-09-22 | 2011-09-22 | Valve rapid-closing device by aid of solid rocket driving force |
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| Publication Number | Publication Date |
|---|---|
| CN102506220A CN102506220A (en) | 2012-06-20 |
| CN102506220B true CN102506220B (en) | 2014-04-02 |
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| CN201110283047.XA Expired - Fee Related CN102506220B (en) | 2011-09-22 | 2011-09-22 | Valve rapid-closing device by aid of solid rocket driving force |
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| EP2918946A4 (en) * | 2012-09-13 | 2016-10-05 | Bingxin Gong | Refrigeration apparatus |
| CN104842202A (en) * | 2015-05-11 | 2015-08-19 | 武汉理工大学 | Automatic tool changing magazine |
| CN105587883A (en) * | 2015-12-01 | 2016-05-18 | 屈寻清 | Pneumatic-control ball valve |
| CN108364431A (en) * | 2018-05-15 | 2018-08-03 | 天津鹏安数讯消防设备工程有限公司 | Intelligence closes valve alarm |
| CN108758050B (en) * | 2018-07-30 | 2023-06-06 | 天津鹏安数讯消防设备工程有限公司 | Valve closing device |
| CN111911650B (en) * | 2020-07-17 | 2022-05-27 | 沈阳航天新光集团有限公司 | Reusable electric explosion valve |
| CN112523895B (en) * | 2020-11-30 | 2022-04-01 | 湖北三江航天红林探控有限公司 | Gas generator and inflation test method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2073558U (en) * | 1990-08-08 | 1991-03-20 | 总参谋部炮兵装备技术研究所 | Control device for combustible gas valve |
| CN2436746Y (en) * | 2000-08-08 | 2001-06-27 | 黄作兴 | Quick valve closing device |
| US20040245381A1 (en) * | 2003-05-16 | 2004-12-09 | Gratton Jason A. | Hot gas valve with fibrous monolith ceramic |
| JP2005299669A (en) * | 2004-04-15 | 2005-10-27 | United Technol Corp <Utc> | Reduced gain thrust control valve |
| CN2835718Y (en) * | 2005-08-07 | 2006-11-08 | 董汉翔 | Quick cut-off valve |
-
2011
- 2011-09-22 CN CN201110283047.XA patent/CN102506220B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2073558U (en) * | 1990-08-08 | 1991-03-20 | 总参谋部炮兵装备技术研究所 | Control device for combustible gas valve |
| CN2436746Y (en) * | 2000-08-08 | 2001-06-27 | 黄作兴 | Quick valve closing device |
| US20040245381A1 (en) * | 2003-05-16 | 2004-12-09 | Gratton Jason A. | Hot gas valve with fibrous monolith ceramic |
| JP2005299669A (en) * | 2004-04-15 | 2005-10-27 | United Technol Corp <Utc> | Reduced gain thrust control valve |
| CN2835718Y (en) * | 2005-08-07 | 2006-11-08 | 董汉翔 | Quick cut-off valve |
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| CN102506220A (en) | 2012-06-20 |
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