CN108916131A - A kind of folding accumulator system - Google Patents
A kind of folding accumulator system Download PDFInfo
- Publication number
- CN108916131A CN108916131A CN201810686769.1A CN201810686769A CN108916131A CN 108916131 A CN108916131 A CN 108916131A CN 201810686769 A CN201810686769 A CN 201810686769A CN 108916131 A CN108916131 A CN 108916131A
- Authority
- CN
- China
- Prior art keywords
- accumulator
- valve
- folding
- ontology
- hydraulic
- 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.)
- Granted
Links
Classifications
-
- 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
- F15B1/04—Accumulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
- B64C27/50—Blades foldable to facilitate stowage of aircraft
-
- 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
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
- F15B1/22—Liquid port constructions
-
- 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
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
- F15B1/24—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with rigid separating means, e.g. pistons
-
- 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
- F15B2201/00—Accumulators
- F15B2201/30—Accumulator separating means
- F15B2201/31—Accumulator separating means having rigid separating means, e.g. pistons
-
- 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
- F15B2201/00—Accumulators
- F15B2201/40—Constructional details of accumulators not otherwise provided for
- F15B2201/41—Liquid ports
- F15B2201/411—Liquid ports having valve means
-
- 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
- F15B2201/00—Accumulators
- F15B2201/40—Constructional details of accumulators not otherwise provided for
- F15B2201/415—Gas ports
Abstract
The invention discloses a kind of folding accumulator systems.The folding accumulator system includes accumulator ontology, valve component, hydraulic buttery valve, pressure switch, braking motor-driven valve, flow-limiting valve；Valve component and pressure switch are set in the middle part of accumulator ontology, hydraulic buttery valve is fixedly installed on accumulator ontology one end by upper mounting plate, it brakes motor-driven valve and flow-limiting valve and the accumulator ontology other side is fixedly installed on by lower installation board, the accumulator ontology, valve component, hydraulic buttery valve, pressure switch, braking motor-driven valve and flow-limiting valve fold accumulator hydraulic circuit by piping connection, to be formed.The folding accumulator system of the application can satisfy the performance requirement of rotor brake, as helicopter hydraulic system attachment, in integrated level height, under the premise of small in size, can reach the rapidity and requirement of rotor folding.
Description
Technical field
The present invention relates to helicopter Foldable hydraulic systems technology fields, more particularly to a kind of folding accumulator system.
Background technique
Fold accumulator system function be：1, hydraulic energy is supplemented for helicopter folding system；2, control hydraulic foldable oil
Road on-off；3, folded state is kept after blade folding, its design difficulty is the integrated level and quick response energy of device
Power.
Can this device directly affects rotor complete folding property, and keep folded state, the helicopter folding of the prior art
Folded accumulator system bulk is larger, and integrated level is lower, and response speed is slower.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of folding accumulator systems to overcome or at least mitigate in the prior art
At least one drawbacks described above.
To achieve the above object, the present invention provides a kind of folding accumulator system, and the folding accumulator system is for straight
Rise the folding of machine rotor, which is characterized in that the folding accumulator system includes accumulator ontology, valve component, solenoid valve, pressure
Power relay brakes motor-driven valve, flow-limiting valve；
Valve component and pressure switch are set in the middle part of accumulator ontology, and solenoid valve is fixedly installed on by upper mounting plate
Accumulator ontology one end brakes motor-driven valve and flow-limiting valve by lower installation board and is fixedly installed on the accumulator ontology other side, pressure accumulation
Device ontology, valve component, solenoid valve, pressure switch brake motor-driven valve 5, and flow-limiting valve 6 passes through piping connection.
Preferably, valve component and pressure switch are fixed by clip and accumulator ontology.
Preferably, inflatable interface, expansion interface, hydraulic damper circuit interface, folding are provided on the accumulator ontology
Folded circuit interface, accumulator pressure maintaining interface fold pressure supply interface and expansion pressure supply interface, each interface and the folding pressure accumulation
The connection of device hydraulic circuit.
Preferably, the accumulator ontology is piston accumulator, and the piston of the accumulator ontology is by the accumulator
Body interior is divided into air chamber and fluid chamber, and the fluid chamber is connect with the folding accumulator hydraulic circuit.
The folding accumulator system of the application can satisfy the performance requirement of rotor brake, attached as helicopter hydraulic system
Part under the premise of small in size, can reach the rapidity and requirement of rotor folding in integrated level height.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the folding accumulator system of one embodiment of the application.
Fig. 2 is the structural side view shown in FIG. 1 for folding accumulator system.
Fig. 3 is another structural side view shown in FIG. 1 for folding accumulator system.
Fig. 4 is the hydraulic circuit schematic diagram shown in FIG. 1 for folding accumulator system.
Fig. 5 is the structural schematic diagram shown in FIG. 1 for folding accumulator system.
Fig. 6 is another structural schematic diagram shown in FIG. 1 for folding accumulator system.
Fig. 7 is the structural schematic diagram of the braking motor-driven valve in folding accumulator system shown in FIG. 1.
Appended drawing reference：
| 1 | Accumulator ontology | 9 | Hydraulic damper circuit interface |
| 2 | Valve component | 10 | Puckered ring pipeline joint |
| 3 | Pressure switch | 11 | Accumulator pressure maintaining interface |
| 4 | Hydraulic buttery valve | 12 | Fold pressure supply interface |
| 5 | Brake motor-driven valve | 13 | Pressure supply interface is unfolded |
| 6 | Flow-limiting valve | 14 | Lower installation board |
| 7 | Inflatable interface | 15 | Upper mounting plate |
| 8 | Interface is unfolded |
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.Under
Face is described in detail the embodiment of the present invention in conjunction with attached drawing.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
Fig. 1 is the structural schematic diagram of the folding accumulator system of one embodiment of the application.
Fig. 2 is the structural side view shown in FIG. 1 for folding accumulator system.
Fig. 3 is another structural side view shown in FIG. 1 for folding accumulator system.
Fig. 4 is the hydraulic circuit schematic diagram shown in FIG. 1 for folding accumulator system.
Fig. 5 is the structural schematic diagram shown in FIG. 1 for folding accumulator system.
Fig. 6 is another structural schematic diagram shown in FIG. 1 for folding accumulator system.
Fig. 7 is the structural schematic diagram of the braking motor-driven valve in folding accumulator system shown in FIG. 1.
Fold the folding that accumulator system is used for lifting airscrew.
As Fig. 1 to Fig. 7 fold accumulator system include accumulator ontology 1, valve component 2, hydraulic buttery valve 4, pressure after
Electric appliance 3, braking motor-driven valve 5 and flow-limiting valve 6；
Valve component 2 and pressure switch 3 are set to 1 middle part of accumulator ontology, and hydraulic buttery valve is solid by upper mounting plate
Surely it is set to 1 one end of accumulator ontology, motor-driven valve 5 and flow-limiting valve 6 is braked by lower installation board and is fixedly installed on accumulator ontology 1
The other side, accumulator ontology 1, valve component 2, hydraulic buttery valve 4, pressure switch 4, braking motor-driven valve 5 and flow-limiting valve 6 are logical
Piping connection is crossed, folds accumulator hydraulic circuit to be formed.
The folding accumulator system of the application can satisfy the performance requirement of rotor brake, attached as helicopter hydraulic system
Part under the premise of small in size, can reach the rapidity and requirement of rotor folding in integrated level height.
In the present embodiment, valve component 2 and pressure switch 3 are fixed by clip and accumulator ontology.
In the present embodiment, inflatable interface 7, expansion interface 8, hydraulic damper circuit are provided on the accumulator ontology
Interface 9, accumulator pressure maintaining interface 11, folds pressure supply interface 12 and expansion pressure supply interface 13, Ge Gejie at puckered ring pipeline joint 10
Mouth is connected to the folding accumulator hydraulic circuit.
In the present embodiment, the accumulator ontology is piston accumulator, and the piston of the accumulator ontology will be described
Accumulator body interior is divided into air chamber and fluid chamber, and the fluid chamber is connect with the folding accumulator hydraulic circuit.
Referring to fig. 4, in the present embodiment, the accumulator package folded for lifting airscrew shares seven oil circuit interfaces,
It is accumulator inflatable interface 7 respectively, interface 8 is unfolded, (for connecing rotor expansion circuit oil circuit and hydraulic damper pressure supply oil circuit),
Hydraulic damper circuit interface 9, (for connecing hydraulic damper pressure supply oil circuit), puckered ring pipeline joint 10 (are folded for connecing rotor
Circuit oil circuit), accumulator pressure maintaining interface 11 (folding circuit oil circuit for connecing rotor), fold pressure supply interface 12 (for welding system
Or oily vehicle pressure supply oil circuit) and expansion pressure supply interface 13 (for welding system or oily vehicle pressure supply oil circuit), each interface is adopted with outside
It is connected with free flow coupling form.
It folds accumulator system and is installed on the design of the integral structure on accumulator using by solenoid valve, fold accumulator sheet
Body 1 is fixed on valve component 2 using clip.Its structure is piston accumulator, is divided into air-liquid independently by piston
Two chambers, air cavity are pre-charged with the industrial nitrogen of about 10.5MPa, are provided with pressure gauge and inflation tube nozzle structure 7, are equipped with dedicated inflation
Tool.
Pressure switch 3 is fixed on accumulator upper layer mounting plate 15 using thread cartridge mode.Hydraulic buttery valve 4 uses
Bolt is fixed on accumulator valve component, after being connected to switching signal, realizes the on-off for folding circuit oil circuit.
Braking motor-driven valve 5 is made of shell, valve, piston, coil, lock pin, spring etc., there are four mouth is connect on shell, respectively
It connects mouth to fold into and out of oil and is unfolded to connect mouth into and out of oil；Lock pin is had locking and unlocking two states by solenoid controlled；Valve
For controlling folding oil circuit, when locking, valve, which is locked in, connects oil circuit position；When unlocking, valve cutting folds oil circuit；Piston is according to two
The case where side pressure control valve position.Check valve and valve component 2 realize integrated design, puckered ring when for blade expansion
Road and oil return line are connected；Flow-limiting valve 6 is arranged in pipeline junction, for limiting the pressurising speed of accumulator.Device entirety and machine
Body structure is also by the way of bolt-connection, and this fixed form simple on helicopter has this device also to be convenient for
The characteristics of installation and removal.
Referring to fig. 4, the working principle of the folding accumulator system of the application：
When blade folds, 19.5~23Mpa from helicopter hydraulic system auxiliary pump or ground hydraulic oil vehicle is hydraulic
Source, autofolding pressure supply interface 12, which is fed, to be folded in accumulator package, brakes the not excitation of motor-driven valve 5 at this time, high pressure oil is through braking electricity
Dynamic valve 5, a-road-through liquid damper circuit 9, three-way electromagnetic valve 3,3 are in off state (hydraulic oil does not pass through) at this time, work as liquid all the way
Pressure oil via 9 flow to hydraulic damper be in shimmy neutral position positioning when, hydraulic damper microswitch trigger solenoid valve 3,
Solenoid valve 3, which is powered, connects hydraulic circuit, and high pressure oil folds circuit (from 10 outflows) pressure supply to blade through solenoid valve 3, to start
Blade folding process.
When all blades fold, the coil braked in motor-driven valve 5 is powered, and the lock pin braked in motor-driven valve 5 is opened, folding
Hydraulic oil in folded pipeline is lockable, and the pressure folded in pipeline is maintained by accumulator；When accumulator pressure drops to 11 ±
0.5MPa, pressure switch 4 are connected, and indicator light is bright on helicopter, and ground crew can be by folding pressure supply interface 12 to pressure accumulation
1 pressure supply of device；When pressure reaches 13 ± 0.5MPa, pressure switch 4 is closed, while indicator light off on helicopter.
When blade expansion, 19.5~23Mpa from helicopter hydraulic system auxiliary pump or ground hydraulic oil vehicle is hydraulic
Source enters through expansion pressure supply interface 13, is braked the expansion hydraulic fluid port of motor-driven valve 5, acted on the piston of braking motor-driven valve 5, living
Plug moves to right, and connects expansion oil circuit, simultaneously switches off the coil in braking motor-driven valve 5, lock pin locking, and hydraulic oil leads to expansion circuit, together
When fold circuit and connected by check valve and oil return line, start blade and program be unfolded.
The combination unit folded for rotor of the invention can satisfy the performance requirement of rotor brake, as helicopter liquid
System attachment is pressed, in integrated level height, under the premise of small in size, the rapidity and requirement of rotor folding can be reached.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that：It is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the essence for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Mind and range.
Claims (4)
1. a kind of folding accumulator system, the folding for folding accumulator system and being used for lifting airscrew, which is characterized in that institute
Stating and folding accumulator system includes accumulator ontology (1), valve component (2), hydraulic buttery valve (4), pressure switch (3), system
Dynamic motor-driven valve (5), flow-limiting valve (6)；
Valve component (2) and pressure switch (3) are set in the middle part of accumulator ontology (1), and hydraulic buttery valve passes through upper mounting plate
It is fixedly installed on accumulator ontology (1) one end, motor-driven valve (5) and flow-limiting valve (6) is braked by lower installation board and is fixedly installed on storage
Depressor ontology (1) other side, the accumulator ontology (1), valve component (2), hydraulic buttery valve (4), pressure switch (4),
Motor-driven valve (5) and flow-limiting valve (6) are braked by piping connection, folds accumulator hydraulic circuit to be formed.
2. folding accumulator system according to claim 1, which is characterized in that valve component (2) and pressure switch (3)
It is fixed by clip and accumulator ontology.
3. folding accumulator system according to claim 1, which is characterized in that be provided with inflation on the accumulator ontology
Interface (7), expansion interface (8), hydraulic damper circuit interface (9), puckered ring pipeline joint (10), accumulator pressure maintaining interface
(11), pressure supply interface (12) and expansion pressure supply interface (13) are folded, each interface and the folding accumulator hydraulic circuit connect
It is logical.
4. folding accumulator system as described in claim 1, which is characterized in that the accumulator ontology is piston type pressure accumulation
The accumulator body interior is divided into air chamber and fluid chamber, the fluid chamber by the piston of device, the accumulator ontology
It is connect with the folding accumulator hydraulic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810686769.1A CN108916131B (en) | 2018-06-28 | 2018-06-28 | Folding accumulator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810686769.1A CN108916131B (en) | 2018-06-28 | 2018-06-28 | Folding accumulator system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108916131A true CN108916131A (en) | 2018-11-30 |
| CN108916131B CN108916131B (en) | 2020-06-09 |
Family
ID=64423259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810686769.1A Active CN108916131B (en) | 2018-06-28 | 2018-06-28 | Folding accumulator system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108916131B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173088A (en) * | 2020-09-25 | 2021-01-05 | 中国直升机设计研究所 | Combined pressure accumulator with flow rate control function and hydraulic brake system |
| CN112591083A (en) * | 2020-12-25 | 2021-04-02 | 中国直升机设计研究所 | Folding collection rectification structure of paddle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1069191A (en) * | 1963-08-26 | 1967-05-17 | Boeing Co | Mechanism for driving a rotatably mounted member |
| CN103991535A (en) * | 2014-04-17 | 2014-08-20 | 中国航空工业集团公司沈阳飞机设计研究所 | Hydraulic control method of mechanism folding |
| CN104590229A (en) * | 2008-06-11 | 2015-05-06 | 罗伯特·博世有限公司 | Brake device for a motor vehicle having a pressure accumulator |
| CN105605007A (en) * | 2014-11-20 | 2016-05-25 | 中国直升机设计研究所 | Design of auxiliary hydraulic combination valve |
| CN105644779A (en) * | 2014-11-20 | 2016-06-08 | 中国直升机设计研究所 | Pressure accumulator assembly for helicopter rotor wing brake |
| CN106762865A (en) * | 2017-02-20 | 2017-05-31 | 中国人民解放军海军航空工程学院青岛校区 | Extendible oil-receiving device testing stand |
| CN206280322U (en) * | 2016-11-29 | 2017-06-27 | 中国直升机设计研究所 | A kind of helicopter harpoon hydraulic system and the helicopter with it |
-
2018
- 2018-06-28 CN CN201810686769.1A patent/CN108916131B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1069191A (en) * | 1963-08-26 | 1967-05-17 | Boeing Co | Mechanism for driving a rotatably mounted member |
| CN104590229A (en) * | 2008-06-11 | 2015-05-06 | 罗伯特·博世有限公司 | Brake device for a motor vehicle having a pressure accumulator |
| CN103991535A (en) * | 2014-04-17 | 2014-08-20 | 中国航空工业集团公司沈阳飞机设计研究所 | Hydraulic control method of mechanism folding |
| CN105605007A (en) * | 2014-11-20 | 2016-05-25 | 中国直升机设计研究所 | Design of auxiliary hydraulic combination valve |
| CN105644779A (en) * | 2014-11-20 | 2016-06-08 | 中国直升机设计研究所 | Pressure accumulator assembly for helicopter rotor wing brake |
| CN206280322U (en) * | 2016-11-29 | 2017-06-27 | 中国直升机设计研究所 | A kind of helicopter harpoon hydraulic system and the helicopter with it |
| CN106762865A (en) * | 2017-02-20 | 2017-05-31 | 中国人民解放军海军航空工程学院青岛校区 | Extendible oil-receiving device testing stand |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173088A (en) * | 2020-09-25 | 2021-01-05 | 中国直升机设计研究所 | Combined pressure accumulator with flow rate control function and hydraulic brake system |
| CN112591083A (en) * | 2020-12-25 | 2021-04-02 | 中国直升机设计研究所 | Folding collection rectification structure of paddle |
| CN112591083B (en) * | 2020-12-25 | 2023-02-28 | 中国直升机设计研究所 | Folding collection rectification structure of paddle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108916131B (en) | 2020-06-09 |
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