CN106545674B - A kind of rotary fluid pressure device and the helicopter with it - Google Patents
A kind of rotary fluid pressure device and the helicopter with it Download PDFInfo
- Publication number
- CN106545674B CN106545674B CN201611068430.2A CN201611068430A CN106545674B CN 106545674 B CN106545674 B CN 106545674B CN 201611068430 A CN201611068430 A CN 201611068430A CN 106545674 B CN106545674 B CN 106545674B
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- Prior art keywords
- slide valve
- hydraulic
- fixing seat
- fluid pressure
- valve opening
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Classifications
-
- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
- F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
-
- 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
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Joints Allowing Movement (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a kind of rotary fluid pressure device and with its helicopter.The rotary fluid pressure device includes: rotating seat, is arranged in rotor shaft, and servo-actuated with the rotor shaft；Slide valve assembly, it is arranged inside rotating seat and connect with rotating seat, slide valve assembly includes slide valve ontology, and intrinsic first slide valve opening of slide valve is connected to form the first hydraulic runner with third slide valve opening, and second slide valve opening is connected to form the second hydraulic runner with the 4th slide valve opening；Fixing seat, fixing seat are connect with slide valve ontology bearing, and the first hydraulic port in fixing seat is connected to the first hydraulic runner, and the second hydraulic port is connected to the second hydraulic runner；Wherein, fixing seat and slide valve body fits form the hydraulic oil seal flowing space.Not the problem of rotary fluid pressure device of the application can not delay the running of hydraulic power oil of slide valve body interior when slide valve assembly rotates, follow rotor wing rotation in the prior art to solve, and guarantee the integrality of fluid pressure line.
Description
Technical field
The present invention relates to helicopter Foldable hydraulic systems technology fields, more particularly to a kind of rotary fluid pressure device and have
Its helicopter.
Background technique
In helicopter field, hydraulic foldable system is a newer project, its difficult point is Foldable hydraulic system
Pipeline is more complicated, more at attachment.
In the prior art, the pipeline of Foldable hydraulic system, which can not meet, follows rotor wing rotation, and guarantees hydraulic tube simultaneously
The integrality on road.
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 rotary fluid pressure devices to overcome or at least mitigate in the prior art extremely
A few drawbacks described above.
To achieve the above object, the present invention provides a kind of rotary fluid pressure device, for being mentioned helicopter hydraulic power supply
The hydraulic oil of confession passes to Jiang Grains, which is characterized in that the rotary fluid pressure device includes: rotating seat, and the rotating seat setting exists
In rotor shaft, and, the rotating seat both ends perforation and inner hollow servo-actuated with the rotor shaft；Slide valve assembly, the slide valve group
Part setting is connect inside the rotating seat, and with the rotating seat, and the slide valve assembly includes slide valve ontology, the slide valve sheet
Body is internally provided with the first slide valve opening, the second slide valve opening, third slide valve opening and the 4th slide valve opening, first slide valve opening and institute
It states third slide valve opening to be connected to form the first hydraulic runner, second slide valve opening is connected to form the second liquid with the 4th slide valve opening
Press runner；Fixing seat, the fixing seat is open at one end and inner hollow, the slide valve ontology are at least partially disposed in the fixation
In seat, the fixing seat is connect with the slide valve ontology by bearing, and the slide valve ontology can be rotated relative to the fixing seat,
The first hydraulic port and the second hydraulic port are provided in the fixing seat；First hydraulic port by the first slide valve opening with it is described
First hydraulic runner connection, second hydraulic port are connected to by third slide valve opening with the described second hydraulic runner；Wherein, described
Fixing seat and the slide valve cooperate, and form the hydraulic oil seal flowing space.
Preferably, the slide valve ontology is further provided with slide valve oil leakaging port, from the slide valve oil leakaging port to the slide valve
Body interior extends, and forms oil leak pipeline；Fixing seat oil leakaging port, the fixing seat oil leakaging port and institute are provided in the fixing seat
State that slide valve oil leakaging port is opposite, the hydraulic oil flowed out at the slide valve oil leakaging port can fall into the fixing seat oil leakaging port.
Preferably, the slide valve assembly further comprises seal receptacle, and the sealed socket sleeve is located at the outer of the slide valve ontology
On wall, it is provided with concave portion on the seal receptacle, the female portion is protruded into described fixing seat one end, described in the seal receptacle sealing
Fixing seat protrudes into the one end in the female portion.
Preferably, the slide valve assembly further comprises nut, and the nut is set in the seal receptacle outer wall, prevents institute
State seal receptacle rotation.
Preferably, it is provided with the first groove on the inner wall of the seal receptacle, is provided with the first sealing in first groove
Circle, first sealing ring is for sealing the seal receptacle and slide valve ontology；It is recessed that second is provided on the outer wall of the seal receptacle
Slot is provided with the second sealing ring in second groove, and second sealing ring is for sealing the seal receptacle and fixing seat.
Preferably, the bearing that the fixing seat is connect with the slide valve ontology is two, one of to be arranged described solid
The one end in the female portion is protruded into reservation, another is arranged between the other end of the fixing seat and the slide valve ontology.
Preferably, the rotary fluid pressure device further comprises: first connects mouth, and described first connects mouth and described first hydraulic
Mouth connection；Second connects mouth, and described second connects mouth connect with second hydraulic port；Third connects mouth, the third connect mouth with it is described
The connection of third slide valve opening；4th connects mouth, and the described 4th connects mouth connect with the 4th slide valve opening；And oil leak connects mouth, the leakage
Oil connects mouth and connect with the fixing seat oil leakaging port.
Preferably, it described first connects and is provided with sealing ring between mouth and first hydraulic port；Described second connects mouth and institute
It states and is provided with sealing ring between the second hydraulic port；The third connects and is provided with sealing ring between mouth and second slide valve opening；Institute
It states the 4th and connects and be provided with sealing ring between mouth and the 4th slide valve opening；The oil leak connects between mouth and the fixing seat oil leakaging port
It is provided with sealing ring.
Preferably, one end setting position far from the slide valve oil leakaging port of the oil leak pipeline is sliding relative to described first
Valve port and the second slide valve opening the slide valve ontology axial direction closer to the seal receptacle.
Present invention also provides a kind of helicopter, the helicopter includes rotor shaft and the paddle with the rotor axis connection
Hub, rotary fluid pressure device as described above is provided in the rotor shaft, and the rotary fluid pressure device is used for helicopter is hydraulic
Hydraulic oil provided by power source passes to Jiang Grains.
In the rotary fluid pressure device of the application, slide valve assembly connect with rotating seat and is connect with fixing seat by bearing, rotation
Swivel base follows rotor shaft rotation to rotate with movable pulley ontology, and the hydraulic oil seal flowing space can be revolved in slide valve assembly
The running of hydraulic power oil of slide valve body interior is not delayed when turning, so that the pipeline for solving Foldable hydraulic system in the prior art can not
The problem of meeting and follow rotor wing rotation, and guaranteeing the integrality of fluid pressure line simultaneously.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of rotary fluid pressure device according to a first embodiment of the present invention.
Fig. 2 is the schematic cross-section of rotary fluid pressure device shown in FIG. 1.
Appended drawing reference:
| 1 | Rotating seat | 25 | Slide valve oil leakaging port |
| 2 | Slide valve ontology | 251 | Oil leak pipeline |
| 21 | First slide valve opening | 33 | Fixing seat oil leakaging port |
| 22 | Second slide valve opening | 5 | Seal receptacle |
| 23 | Third slide valve opening | 6 | Nut |
| 24 | 4th slide valve opening | 51 | First sealing ring |
| 213 | First hydraulic runner | 52 | Second sealing ring |
| 224 | Second hydraulic runner | 7 | First connects mouth |
| 3 | Fixing seat | 8 | Second connects mouth |
| 4 | Bearing | 9 | Third connects mouth |
| 31 | First hydraulic port | 10 | 4th connects mouth |
| 32 | Second hydraulic port | 11 | Oil leak connects mouth |
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.
Helicopter harpoon includes harpoon chamber, and harpoon chamber includes the first cavity and the second cavity, is provided in the first cavity
Piston rod, piston rod stress can move, to change the volume of the first cavity and second cavity.
Fig. 1 is the structural schematic diagram of rotary fluid pressure device according to a first embodiment of the present invention.Fig. 2 is rotation shown in FIG. 1
Turn the schematic cross-section of hydraulic device.
Rotary fluid pressure device as shown in Figure 1 is used to hydraulic oil provided by helicopter hydraulic power supply passing to paddle
Grains, the rotary fluid pressure device include rotating seat 1, slide valve assembly and fixing seat 3, and rotating seat 1 is arranged in rotor shaft, and with rotation
Wing axis is servo-actuated, the perforation of 1 both ends of rotating seat and inner hollow；Slide valve assembly setting is connect inside rotating seat 1, and with rotating seat 1,
Slide valve assembly includes slide valve ontology 2, and slide valve ontology 2 is internally provided with the first slide valve opening 21, the second slide valve opening 22, third slide valve opening
23 and the 4th slide valve opening 24, the first slide valve opening 21 is connected to third slide valve opening 23 forms the first hydraulic runner 213, the second slide valve
Mouth 22 is connected to the 4th slide valve opening 24 forms the second hydraulic runner 224；Fixing seat 3 is open at one end and inner hollow, slide valve ontology 2
It is at least partially disposed in fixing seat 3, fixing seat 3 is connect with slide valve ontology 2 by bearing 4, and slide valve ontology 2 can be relatively fixed
Seat 3 rotates, and is provided with the first hydraulic port 31 and the second hydraulic port 32 in fixing seat 3；First hydraulic port 31 passes through the first slide valve
Mouth 21 is connected to the first hydraulic runner 213, and the second hydraulic port 32 is connected to by third slide valve opening 23 with the second hydraulic runner 224；
Wherein, fixing seat 3 and slide valve ontology 2 cooperate, and form the hydraulic oil seal flowing space.
In the rotary fluid pressure device of the application, slide valve assembly connect with rotating seat and is connect with fixing seat by bearing, rotation
Swivel base follows rotor shaft rotation to rotate with movable pulley ontology, and the hydraulic oil seal flowing space can be revolved in slide valve assembly
The running of hydraulic power oil of slide valve body interior is not delayed when turning, so that the pipeline for solving Foldable hydraulic system in the prior art can not
The problem of meeting and follow rotor wing rotation, and guaranteeing the integrality of fluid pressure line simultaneously.
Referring to fig. 2, in the present embodiment, slide valve ontology is further provided with slide valve oil leakaging port 25, from slide valve oil leakaging port 25
Extend to slide valve body interior, forms oil leak pipeline 251；Fixing seat oil leakaging port 33, fixing seat oil leakaging port are provided in fixing seat 3
33 is opposite with slide valve oil leakaging port 25, and the hydraulic oil flowed out at slide valve oil leakaging port 25 can fall into fixing seat oil leakaging port 33.Using this
Kind structure, when oil liquid is when slide valve body interior leaks, oil liquid can pass through 25 hydraulic return system fuel tank of slide valve oil leakaging port.
Referring to fig. 2, in the present embodiment, the separate slide valve oil leakaging port of oil leak pipeline 251 one end setting position relative to
First slide valve opening 21 and the second slide valve opening 22 slide valve ontology axial direction closer to seal receptacle 5 (as shown in Fig. 2, oil leak
One end of the separate slide valve oil leakaging port of pipeline is higher than the first slide valve opening and the second slide valve opening in above-below direction in Fig. 2).Using
This mode avoids oil leak pipeline from interfering the first slide valve opening and the second slide valve opening.
Referring to Fig. 1, in the present embodiment, slide valve assembly further comprises seal receptacle 5, and seal receptacle 5 is set in slide valve ontology 2
Outer wall on, be provided with concave portion on seal receptacle 5, concave portion is protruded into 3 one end of fixing seat, and seal receptacle 5 seals fixing seat and protrudes into institute
State one end of concave portion.In this way, one end of slide valve ontology and fixing seat can be sealed, to prevent from being provided with close
Seal one end oil leak of seat.
Referring to Fig. 1, in the present embodiment, slide valve assembly further comprises nut 6, and nut 6 is set in the outer wall of seal receptacle,
Prevent seal receptacle 5 from rotating.Using this structure, it can prevent the rotation of slide valve ontology from driving seal receptacle rotation.
Referring to Fig. 1, it is provided with the first groove on the inner wall of seal receptacle 5, the first sealing ring 51 is provided in the first groove, the
One sealing ring 51 is for sealing seal receptacle 5 and slide valve ontology 2；The second groove is provided on the outer wall of seal receptacle 5, in the second groove
It is provided with the second sealing ring 52, the second sealing ring 52 is for sealing seal receptacle 5 and fixing seat 3.
Referring to Fig. 1, in the present embodiment, the bearing 4 that fixing seat 3 is connect with slide valve ontology 2 is two, one of setting
One end of concave portion is protruded into fixing seat 3, another is arranged between the other end of fixing seat 3 and slide valve ontology 2.
Referring to Fig. 1, in the present embodiment, rotary fluid pressure device further comprises: first connects mouth 7, second connects mouth 8, third
Connect that mouth the 9, the 4th connects mouth 10 and oil leak connects mouth 11, first connects mouth 7 connect with the first hydraulic port 31；Second connects mouth 8 and the second liquid
Mouth 32 is pressed to connect；Third connects mouth 9 and connect with the second slide valve opening 22；4th connects mouth 10 connect with the 4th slide valve opening 24；And oil leak
Mouth 11 is connect to connect with fixing seat oil leakaging port 33.
Referring to Fig. 1, in the present embodiment, first connects and is provided with sealing ring between mouth 7 and the first hydraulic port 31；Second connects mouth
8 and second are provided with sealing ring between hydraulic port 32；Third connects and is provided with sealing ring between mouth 9 and third slide valve opening 22；4th
It connects and is provided with sealing ring between mouth 10 and the 4th slide valve opening 24；Oil leak, which connects, is provided with sealing between mouth 11 and fixing seat oil leakaging port 33
Circle.
Present invention also provides a kind of helicopter, which includes rotor shaft and the propeller hub with rotor axis connection, rotation
Rotary fluid pressure device as described above is provided in wing axis, the rotary fluid pressure device is for being provided helicopter hydraulic power supply
Hydraulic oil pass to Jiang Grains.
It is understood that above-mentioned connection, it can refer to two structures and be directly connected to, can also be expressed as making two knots
The oil communication of structure (device, part, component).
Finally it is 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 (10)
1. a kind of rotary fluid pressure device, for hydraulic oil provided by helicopter hydraulic power supply to be passed to Jiang Grains, feature
It is, the rotary fluid pressure device includes:
Rotating seat (1), the rotating seat (1) are arranged in rotor shaft, and servo-actuated with the rotor shaft, the rotating seat (1) two
End perforation and inner hollow；
Slide valve assembly, the slide valve assembly setting is internal in the rotating seat (1), and connect with the rotating seat (1), the cunning
Valve module includes slide valve ontology (2), the slide valve ontology (2) be internally provided with the first slide valve opening (21), the second slide valve opening (22),
Third slide valve opening (23) and the 4th slide valve opening (24), first slide valve opening (21) are connected to shape with the third slide valve opening (23)
At the first hydraulic runner (213), second slide valve opening (22) is connected to the 4th slide valve opening (24) forms the second flow of pressurized
Road (224)；
Fixing seat (3), the fixing seat (3) is open at one end and inner hollow, the slide valve ontology (2) are at least partially disposed in institute
It states in fixing seat (3), the fixing seat (3) is connect with the slide valve ontology (2) by bearing (4), slide valve ontology (2) energy
It is enough to be rotated relative to the fixing seat (3), the first hydraulic port (31) and the second hydraulic port are provided on the fixing seat (3)
(32)；First hydraulic port (31) is connected to by the first slide valve opening (21) with the described first hydraulic runner (213), and described second
Hydraulic port (32) is connected to by third slide valve opening (23) with the described second hydraulic runner (224)；Wherein,
The fixing seat (3) and the slide valve ontology (2) cooperate, and form the hydraulic oil seal flowing space.
2. rotary fluid pressure device as described in claim 1, which is characterized in that the slide valve ontology is further provided with slide valve leakage
Hydraulic fluid port (25) extends from slide valve oil leakaging port (25) the Xiang Suoshu slide valve body interior, is formed oil leak pipeline (251)；
It is provided with fixing seat oil leakaging port (33) on the fixing seat (3), the fixing seat oil leakaging port (33) and the slide valve oil leak
Relatively, the hydraulic oil flowed out at the slide valve oil leakaging port (25) can fall into the fixing seat oil leakaging port (33) to mouth (25).
3. rotary fluid pressure device as claimed in claim 2, which is characterized in that the slide valve assembly further comprises seal receptacle
(5), the seal receptacle (5) is set on the outer wall of the slide valve ontology (2), is provided with concave portion on the seal receptacle (5), institute
It states fixing seat (3) one end and protrudes into the female portion, the seal receptacle (5) seals the fixing seat and protrudes into the one of the female portion
End.
4. rotary fluid pressure device as claimed in claim 3, which is characterized in that the slide valve assembly further comprises nut (6),
The nut (6) is set in the outer wall of the seal receptacle, prevents the seal receptacle (5) from rotating.
5. rotary fluid pressure device as claimed in claim 4, which is characterized in that be provided on the inner wall of the seal receptacle (5)
One groove is provided with the first sealing ring (51) in first groove, and first sealing ring (51) is for sealing the sealing
Seat (5) and slide valve ontology (2)；It is provided with the second groove on the outer wall of the seal receptacle (5), is provided in second groove
Two sealing rings (52), second sealing ring (52) is for sealing the seal receptacle (5) and fixing seat (3).
6. rotary fluid pressure device as claimed in claim 5, which is characterized in that the fixing seat (3) and the slide valve ontology (2)
The bearing (4) of connection is two, and one of be arranged protrudes into the one end in the female portion in the fixing seat (3), another sets
It sets between the other end and the slide valve ontology (2) of the fixing seat (3).
7. rotary fluid pressure device as claimed in claim 6, which is characterized in that the rotary fluid pressure device further comprises:
First connects mouth (7), and described first connects mouth (7) connect with first hydraulic port (31)；
Second connects mouth (8), and described second connects mouth (8) connect with second hydraulic port (32)；
Third connects mouth (9), and the third connects mouth (9) and connect with the third slide valve opening (22)；
4th connects mouth (10), and the described 4th connects mouth (10) connect with the 4th slide valve opening (24)；And
Oil leak connects mouth (11), and the oil leak connects mouth (11) and connect with the fixing seat oil leakaging port (33).
8. rotary fluid pressure device as claimed in claim 7, which is characterized in that described first connects mouth (7) and described first hydraulic
Sealing ring is provided between mouth (31)；Described second connects and is provided with sealing ring between mouth (8) and second hydraulic port (32)；Institute
It states third and connects and be provided with sealing ring between mouth (9) and second slide valve opening (22)；Described 4th connects mouth (10) and the described 4th
Slide valve opening is provided with sealing ring between (24)；The oil leak connect be provided between mouth (11) and the fixing seat oil leakaging port (33) it is close
Seal.
9. rotary fluid pressure device as claimed in claim 8, which is characterized in that the separate cunning of the oil leak pipeline (251)
One end setting position of valve oil leakaging port is relative to first slide valve opening (21) and the second slide valve opening (22) in the slide valve sheet
The axial direction of body is closer to the seal receptacle (5).
10. a kind of helicopter, which is characterized in that the helicopter includes rotor shaft and the propeller hub with the rotor axis connection,
Rotary fluid pressure device as in one of claimed in any of claims 1 to 9, the rotary fluid pressure device are provided in the rotor shaft
For hydraulic oil provided by helicopter hydraulic power supply to be passed to Jiang Grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068430.2A CN106545674B (en) | 2016-11-29 | 2016-11-29 | A kind of rotary fluid pressure device and the helicopter with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068430.2A CN106545674B (en) | 2016-11-29 | 2016-11-29 | A kind of rotary fluid pressure device and the helicopter with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106545674A CN106545674A (en) | 2017-03-29 |
| CN106545674B true CN106545674B (en) | 2019-02-26 |
Family
ID=58395886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611068430.2A Active CN106545674B (en) | 2016-11-29 | 2016-11-29 | A kind of rotary fluid pressure device and the helicopter with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106545674B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4000758A (en) * | 1974-10-21 | 1977-01-04 | Meisenheimer Jr Daniel T | Fluid reservoir device with fill means, level indicator means and pressure relief means |
| US4786014A (en) * | 1985-11-04 | 1988-11-22 | Indal Technologies Inc. | Helicopter rapid securing & traversing system |
| CN2191178Y (en) * | 1994-02-24 | 1995-03-08 | 中国直升机设计研究所 | Fish fork device for helicopter landing on ship |
| CN104608936A (en) * | 2015-01-30 | 2015-05-13 | 江西海空行直升机科技有限公司 | Electric control fishgig-grating deck landing assisting system for helicopter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3031340A1 (en) * | 2015-01-06 | 2016-07-08 | Airbus Helicopters | SERVO CONTROL AND AIRCRAFT EQUIPPED WITH SUCH SERVOCAMMANDE |
-
2016
- 2016-11-29 CN CN201611068430.2A patent/CN106545674B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4000758A (en) * | 1974-10-21 | 1977-01-04 | Meisenheimer Jr Daniel T | Fluid reservoir device with fill means, level indicator means and pressure relief means |
| US4786014A (en) * | 1985-11-04 | 1988-11-22 | Indal Technologies Inc. | Helicopter rapid securing & traversing system |
| CN2191178Y (en) * | 1994-02-24 | 1995-03-08 | 中国直升机设计研究所 | Fish fork device for helicopter landing on ship |
| CN104608936A (en) * | 2015-01-30 | 2015-05-13 | 江西海空行直升机科技有限公司 | Electric control fishgig-grating deck landing assisting system for helicopter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106545674A (en) | 2017-03-29 |
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