CN113944659A - Rocket erecting hydraulic system adopting energy accumulator for assisting oil supplement and auxiliary erecting method - Google Patents
Rocket erecting hydraulic system adopting energy accumulator for assisting oil supplement and auxiliary erecting method Download PDFInfo
- Publication number
- CN113944659A CN113944659A CN202111271982.4A CN202111271982A CN113944659A CN 113944659 A CN113944659 A CN 113944659A CN 202111271982 A CN202111271982 A CN 202111271982A CN 113944659 A CN113944659 A CN 113944659A
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- Prior art keywords
- oil
- erecting
- valve
- pipeline
- rocket
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F3/00—Rocket or torpedo launchers
- F41F3/04—Rocket or torpedo launchers for rockets
Abstract
The invention relates to the field of rocket erection, in particular to a rocket erection hydraulic system adopting energy accumulators to supplement oil in an auxiliary manner and an auxiliary erection method, through the hydraulic system and the auxiliary erection method, the volume of the whole erection system can be reduced while the erection thrust is increased, the increase of rated erection power is avoided, and the erection time is shortened; a rocket erecting hydraulic system adopting an energy accumulator for assisting oil supplement comprises an oil tank assembly, energy storage units, a control valve group and at least two sets of erecting units; the energy storage unit is arranged on a pipeline between the oil tank assembly and the control valve group in parallel; the oil tank assembly, the energy storage unit, the control valve group and the erecting unit are communicated through pipelines and are divided into an oil inlet pipeline and an oil return pipeline according to the direction of an oil way; the vertical units are arranged in parallel.
Description
Technical Field
The invention relates to the field of rocket erection, in particular to a rocket erection hydraulic system adopting an energy accumulator to assist oil supplement and an auxiliary erection method.
Background
The existing rocket erects mostly by adopting a three-connecting-rod erecting mode, the erecting thrust can be increased by adopting a compact spatial arrangement, the rated erecting power can be increased by adopting a shorter time for erecting, and the whole set of launching device is forced to have to be designed for compactness and light weight at the cost of prolonging the erecting time;
an accumulator is an energy storage device in a hydropneumatic system. The energy in the system is converted into compression energy or potential energy to be stored at a proper time, and when the system needs the energy, the compression energy or the potential energy is converted into hydraulic energy or air pressure and the like to be released, and the energy is supplied to the system again. When the system pressure increases in the twinkling of an eye, it can absorb this partial energy to guarantee that whole system pressure is normal or stored energy, if insert the energy storage ware in the system is erected to current rocket, not only can increase and erect the flow (promote promptly and erect speed), can also change the drawback of three-link structure, avoid the system volume to be positive correlation's current situation with erecting the speed, can also avoid increasing too much and erect power, shorten and erect the time.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a rocket erecting hydraulic system adopting energy accumulators to supplement oil in an auxiliary manner and an auxiliary erecting method.
According to the embodiment of the invention, the rocket erecting hydraulic system adopting the energy accumulator for assisting oil supplement comprises an oil tank assembly, energy storage units, a control valve group and at least two sets of erecting units; the oil tank assembly, the control valve group and the erecting unit are communicated through pipelines and are divided into an oil inlet pipeline and an oil return pipeline according to the direction of an oil way; the energy storage unit is arranged on an oil inlet pipeline and an oil return pipeline between the oil tank assembly and the control valve group; the vertical units are arranged in parallel;
the control valve group comprises: proportional, sequence and balance valves; the proportional valve is arranged between the erecting unit and the oil tank assembly in series through an oil inlet pipeline and an oil return pipeline; sequence valves are arranged on the oil inlet pipeline and the oil return pipeline at the downstream of the proportional valve; two ends of the erecting unit are provided with balance valves;
the energy storage unit includes: the energy accumulator and the connecting valve group; the connection valve group includes: the electromagnetic control valve comprises a first ball valve, an electromagnetic speed regulating valve, an electromagnetic directional valve, an overflow valve and a stop valve; the energy accumulator is connected with the first ball valve in series, and the energy accumulator and the first ball valve are respectively connected with the electromagnetic speed regulating valve and the electromagnetic reversing valve in series through pipelines; the overflow valve is arranged at the outlet of the energy accumulator; the stop valves are connected in parallel at two ends of the overflow valve.
Preferably, the oil tank assembly comprises an oil tank and a pressurizing system; the pressurization system is communicated with the oil tank through a pipeline.
Preferably, a hand pump is connected in parallel between the oil tank assembly and the energy storage unit through a pipeline.
Preferably, a second ball valve is arranged between the adjacent vertical units through a pipeline so as to realize parallel connection.
Preferably, the first ball valve and the second ball valve are electromagnetic ball valves.
The invention also provides an auxiliary erecting method based on the rocket erecting hydraulic system adopting the energy accumulator for auxiliary oil supplement, which comprises the following steps:
s1: the pressurizing system is started to provide a high-pressure oil source for the oil inlet pipelines of the energy storage unit and the control valve group;
s2: opening the first ball valve, filling oil into the energy accumulator to a set pressure, and closing the first ball valve to complete the pressure filling of the energy accumulator;
s3: opening all the second ball valves, starting the pressurizing system again, opening the first ball valve and the proportional valve, and starting the erecting unit to erect;
s4: when the erecting unit erects to a set angle, the proportional valve is adjusted, erecting flow in the oil inlet pipeline is increased in advance, then the electromagnetic adjustment is adjusted, the speed valve reduces erecting flow in the oil pipeline, the reduced erecting flow is smaller than that increased by the proportional valve before, until the passing flow of the electromagnetic speed regulating valve is zero, and the auxiliary erecting section is finished;
S5: and continuously adjusting the proportional valve according to the requirement until the whole erecting unit is erected completely.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the energy storage unit is connected to the erecting system, and the high-pressure oil source is charged into the energy accumulator before erecting operation, so that the energy storage effect of the energy accumulator is utilized to increase auxiliary erecting power for the erecting unit, the defect of a three-connecting-rod structure can be changed, the current situation that the system volume is positively correlated with the erecting thrust is avoided, excessive erecting power can be avoided, and the erecting time is shortened.
Drawings
Fig. 1 is a system layout diagram of an embodiment of the present invention.
In the above drawings: 011. an oil tank; 012. a pressurized system; 2. a proportional valve; 3. a sequence valve; 4. a balancing valve; 5. a erecting unit; 6. a second ball valve; 7. an accumulator; 8. an overflow valve; 9. a first ball valve; 10. a stop valve; 11. an electromagnetic directional valve; 12. an electromagnetic speed regulating valve; 18. a hand pump.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
As shown in fig. 1: a rocket erecting hydraulic system adopting an energy accumulator 7 for assisting oil supplement comprises an oil tank assembly, energy storage units, a control valve group and at least two sets of erecting units 5; the oil tank assembly, the energy storage unit, the control valve group and the erecting unit 5 are communicated through pipelines and are divided into an oil inlet pipeline and an oil return pipeline according to the direction of an oil way; the energy storage unit is arranged on an oil inlet pipeline and an oil return pipeline between the oil tank assembly and the control valve group; the erecting units 5 are arranged in parallel, the oil tank assembly provides a high-pressure oil source for the erecting units 5, the control valve group is used for controlling and adjusting the opening and closing and the throughput of the oil source, and the erecting units 5 are three-connecting-rod type hydraulic erecting mechanisms;
The control valve group comprises: proportional valve 2, sequence valve 3 and balance valve 4; the proportional valve 2 is connected with a vertical unit 5 and an oil tank assembly through an oil inlet pipeline and an oil return pipeline; sequence valves 3 are arranged on the oil inlet pipeline and the oil return pipeline at the downstream of the proportional valve 2; the sequence valve 3 is connected with a rodless cavity and a rod cavity of the vertical unit 5 in parallel through pipelines; two ends of the erecting unit 5 are provided with balance valves 4; as shown in fig. 1, in the present embodiment, two sets of erecting units 5 are provided, each set of erecting unit 5 is respectively configured with one proportional valve 2 (i.e. a valve body surrounded by two sets of adjacent rectangular dotted lines in fig. 1), the two proportional valves 2 share one set of gauge head, and the gauge head is connected to the oil inlet pipeline and the oil return pipeline;
the energy storage unit includes: an accumulator 7 and a connection valve group; the connection valve group includes: the device comprises a first ball valve 9, a stop valve 10, an electromagnetic directional valve, an overflow valve 8 and an electromagnetic speed regulating valve 12; the first ball valve 9, the stop valve 10, the electromagnetic directional valve, the overflow valve 8 and the electromagnetic speed regulating valve 12 form a loop through pipelines and are connected in parallel on the oil inlet pipeline and the oil return pipeline; the accumulator 7 is arranged between the overflow valve 8 and the first ball valve 9 through a pipeline.
The energy storage unit includes: an accumulator 7 and a connection valve group; the connection valve group includes: the device comprises a first ball valve 9, an electromagnetic speed regulating valve 12, an electromagnetic directional valve 11, an overflow valve 8 and a stop valve 10; the energy accumulator 7 is connected with the first ball valve 9 in series, and the two are respectively connected with the electromagnetic speed regulating valve 12 and the electromagnetic directional valve 11 in series through pipelines to form a main series pipeline, one end of the main series pipeline is connected with an oil inlet pipeline, and the other end of the main series pipeline is connected with an oil return pipeline; the overflow valve 8 is arranged at the outlet of the energy accumulator 7; the stop valves 10 are connected in parallel at two ends of the overflow valve 8. The electromagnetic directional valve has the function of relieving pressure of the energy accumulator after the erecting and leveling work is finished, and discharging oil in the oil source in the energy accumulator back to the oil tank 011.
The oil tank assembly comprises an oil tank 011 and a pressurizing system 012; the pressurization system is communicated with the oil tank 011 through a pipeline, and in the embodiment, the pressurization system 012 is a motor oil pump.
A hand pump is connected in parallel between the oil tank assembly and the energy storage unit through a pipeline, and the hand pump is used for pressing an oil source into the energy storage 7 by using the hand pump 18 and driving the erecting unit 5 to withdraw emergently when the pressurizing system 012 cannot work.
The first ball valve 9 and the second ball valve 6 are electromagnetic ball valves.
The auxiliary erecting method of the hydraulic system in the invention is described as follows, comprising the following steps:
s1: the pressurization system 012 is started, and a high-pressure oil source is provided for the energy storage unit and the control valve group through an oil inlet pipeline;
s2: opening the first ball valve 9, filling oil into the energy accumulator 7 to a set pressure (the overflow valve 8 is used for safety protection of the maximum pressure of the energy accumulator 7, and the stop valve 10 is used for manually relieving the pressure in the energy accumulator 7), closing the first ball valve 9, and completing the pressure filling of the energy accumulator 7;
S3: opening all the second ball valves 6, starting the pressurizing system 012 again, opening the first ball valve 9 and the proportional valve 2, and starting the erecting unit 5 to erect;
s4: when the erecting unit erects to a set angle, the proportional valve 2 is adjusted, the erecting flow in the oil inlet pipeline is increased in advance, then the electromagnetic speed regulating valve 12 is adjusted, the erecting flow in the oil pipeline is reduced, the erecting flow reduced by the electromagnetic speed regulating valve 12 is smaller than the erecting flow increased by the proportional valve 2 before, and the auxiliary erecting section is ended until the passing flow of the electromagnetic speed regulating valve 12 is zero;
s5: and continuously adjusting the proportional valve 2 according to the requirement until the whole erecting unit 5 is erected.
The auxiliary leveling method of the hydraulic system in the invention has three modes: firstly, the energy accumulator 7 and the oil tank assembly are assisted to return to the flat state; the energy accumulator 7 assists to return to flat; driving the oil tank assembly to return to the flat state;
the auxiliary leveling method comprises the following steps of:
s1: the pressurization system 012 is started, and a high-pressure oil source is provided for the energy storage unit and the control valve group through an oil inlet pipeline; opening the first ball valve 9, filling oil into the energy accumulator 7 to a set pressure, and closing the first ball valve 9 to complete the pressure filling of the energy accumulator 7;
s2: the first ball valve 9 is opened, the proportional valve 2 is started, and the rocket returns to be flat.
The auxiliary leveling of the energy accumulator 7 comprises the following steps:
s1: the pressurization system 012 is started, and a high-pressure oil source is provided for the energy storage unit and the control valve group through an oil inlet pipeline; opening the first ball valve 9, filling the accumulator 7 to a set pressure, closing the first ball valve 9, and completing the pressurization of the accumulator 7;
s2: the pressurization system 012 is closed, the first ball valve 9 is actuated, the proportional valve 2 is actuated, and the rocket is leveled back.
Driving the oil tank assembly to return to flat:
s1: the pressurization system 012 (motor oil pump) is started to provide pressure for the oil tank 011, and a high-pressure oil source is provided for the energy storage unit and the control valve group through an oil inlet pipeline;
s2: proportional valve 2 is actuated (if pressurization system 012 cannot be actuated, hand pump 18 is shaken) and the rocket returns to a flat position.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. A rocket erecting hydraulic system adopting an energy accumulator for assisting oil supplement is characterized by comprising an oil tank assembly, energy storage units, a control valve group and at least two sets of erecting units; the oil tank assembly, the control valve group and the erecting unit are communicated through pipelines and are divided into an oil inlet pipeline and an oil return pipeline according to the direction of an oil way; the energy storage unit is arranged on an oil inlet pipeline and an oil return pipeline between the oil tank assembly and the control valve group; the vertical units are arranged in parallel;
The control valve group comprises: proportional, sequence and balance valves; the proportional valve is arranged between the erecting unit and the oil tank assembly in series through an oil inlet pipeline and an oil return pipeline; sequence valves are arranged on the oil inlet pipeline and the oil return pipeline at the downstream of the proportional valve; two ends of the erecting unit are provided with balance valves;
the energy storage unit includes: the energy accumulator and the connecting valve group; the connection valve group includes: the electromagnetic control valve comprises a first ball valve, an electromagnetic speed regulating valve, an electromagnetic directional valve, an overflow valve and a stop valve; the energy accumulator is connected with the first ball valve in series, and the energy accumulator and the first ball valve are respectively connected with the electromagnetic speed regulating valve and the electromagnetic reversing valve in series through pipelines; the overflow valve is arranged at the outlet of the energy accumulator; the stop valves are connected in parallel at two ends of the overflow valve.
2. A rocket erection hydraulic system employing accumulator assisted oil replenishment as claimed in claim 1 wherein said oil tank assembly includes an oil tank and a pressurization system; the pressurization system is communicated with the oil tank through a pipeline.
3. A rocket erection hydraulic system using energy accumulator for auxiliary oil supplement as claimed in claim 2 wherein a hand pump is connected in parallel between said oil tank assembly and energy accumulating unit through a pipeline.
4. A rocket erection hydraulic system using accumulator assisted oil supplement as claimed in claim 3 wherein a second ball valve is arranged between adjacent erection units through a pipeline to realize parallel connection.
5. A rocket erection hydraulic system employing accumulator assisted oil supply as claimed in claim 4 wherein the first and second ball valves are electromagnetic ball valves.
6. An auxiliary erecting method of a rocket erecting hydraulic system adopting energy accumulator auxiliary oil supplement, which is characterized by comprising the rocket erecting hydraulic system adopting energy accumulator auxiliary oil supplement of claim 4 or 5, and the auxiliary erecting method comprises the following steps:
s1: the pressurizing system is started to provide high-pressure oil for the oil inlet pipelines of the energy storage unit and the control valve group
A source;
s2: opening the first ball valve, filling oil into the energy accumulator to a set pressure, and closing the first ball valve to complete the pressure filling of the energy accumulator;
s3: opening all the second ball valves, starting the pressurizing system again, opening the first ball valve and the proportional valve, and starting the erecting unit to erect;
s4: when the erecting unit erects to a set angle, the proportional valve is adjusted, erecting flow in the oil inlet pipeline is increased in advance, then the electromagnetic speed regulating valve is adjusted, erecting flow in the oil pipeline is reduced, the reduced erecting flow is smaller than that increased by the proportional valve before, until the passing flow of the electromagnetic speed regulating valve is zero, and the auxiliary erecting section is finished;
S5: and continuously adjusting the proportional valve according to the requirement until the whole erecting unit is erected completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111271982.4A CN113944659A (en) | 2021-10-29 | 2021-10-29 | Rocket erecting hydraulic system adopting energy accumulator for assisting oil supplement and auxiliary erecting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111271982.4A CN113944659A (en) | 2021-10-29 | 2021-10-29 | Rocket erecting hydraulic system adopting energy accumulator for assisting oil supplement and auxiliary erecting method |
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| CN113944659A true CN113944659A (en) | 2022-01-18 |
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| CN202111271982.4A Pending CN113944659A (en) | 2021-10-29 | 2021-10-29 | Rocket erecting hydraulic system adopting energy accumulator for assisting oil supplement and auxiliary erecting method |
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| CN112594232A (en) * | 2020-11-24 | 2021-04-02 | 中国人民解放军96901部队24分队 | High-speed hydraulic erecting mechanism based on synchronous telescopic multistage cylinder and energy accumulator |
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2021
- 2021-10-29 CN CN202111271982.4A patent/CN113944659A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6811123B1 (en) * | 2004-02-17 | 2004-11-02 | The Boeing Company | Store ejection system with integral isolation valve and associated ejection method |
| US20130263948A1 (en) * | 2010-10-08 | 2013-10-10 | Ruediger Block | Device for controlling a hydraulic accumulator of a hydraulic system |
| CN203473674U (en) * | 2013-09-05 | 2014-03-12 | 长沙中联重科环卫机械有限公司 | Sewer dredging vehicle and hydraulic system thereof |
| US20160178317A1 (en) * | 2014-01-27 | 2016-06-23 | Sparton Corporation | Payload launch system and method |
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