CN109026898A - A kind of integrated sealing structure of hydraulic actuator - Google Patents
A kind of integrated sealing structure of hydraulic actuator Download PDFInfo
- Publication number
- CN109026898A CN109026898A CN201811099589.XA CN201811099589A CN109026898A CN 109026898 A CN109026898 A CN 109026898A CN 201811099589 A CN201811099589 A CN 201811099589A CN 109026898 A CN109026898 A CN 109026898A
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- Prior art keywords
- end cap
- valve block
- cylinder
- hydraulic cylinder
- piston rod
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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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
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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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1438—Cylinder to end cap assemblies
- F15B15/1442—End cap sealings
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
A kind of integrated sealing structure of hydraulic actuator; belong to deep-sea hydraulic servo field of sealing technology, including hydraulic cylinder, pressure balance protective cover, piston rod combination, pressure balancing structure, valve block, valve block bracket and cylinder bottom integral structure, end cap, displacement measurement structure, y-type seal ring one and y-type seal ring two.The usefulness of the invention are as follows: it is easy to disassemble for dismountable flange junction, it is conveniently replaceable consumptive material, such as replacement flange gasket, gasket etc.；Hydraulic circuit good sealing property has been effectively ensured especially in the sealing of pressure balance protective cover and pressure balancing structure 4 and valve block bracket and cylinder bottom integral structure in non-removable welded flange connection；Normal use, being assembled or welded together by the connection type of above-described embodiment can normal use.
Description
Technical field
The present invention relates to the integrated sealing structure of hydraulic sterring engine, specially a kind of monoblock type of hydraulic actuator is close
Seal structure belongs to deep-sea hydraulic servo field of sealing technology.
Background technique
Using hydraulic oil as working media, ship can be made to come about and the device of rudder position is kept to be known as hydraulic sterring engine.According to dynamic
The different modes in power source can be divided into manual, electric, eletro-hydraulic steering gear.It is eletro-hydraulic steering gear reliable operation, easy to operate, light
It is skilful it is durable, economy is high, maintenance management is convenient, be the ideal steering gear of ship.
Hydraulic sterring engine requirement for deep-sea is harsher, first, it is ensured that oil circuit sealing effect is good；Secondly, also to guarantee
Consumptive material replacement is convenient, arranges such as sealing ring；Finally, it is also contemplated that the sea water advanced influence to equipment sealing.
So the present invention will provide a kind of integrated sealing structure of hydraulic actuator, to solve the above problems.
Summary of the invention
In view of the above deficiencies, the present invention provides a kind of integrated sealing structures of hydraulic actuator.
The present invention is achieved by the following technical solutions: a kind of integrated sealing structure of hydraulic actuator, including liquid
Cylinder pressure cylinder, pressure balance protective cover, piston rod combination, pressure balancing structure, valve block, valve block bracket and cylinder bottom integral structure, end
Lid, displacement measurement structure, y-type seal ring one and y-type seal ring two, the valve block bracket and cylinder bottom integral structure include valve block branch
Frame and cylinder bottom, the cylinder bottom are circular ring type ring flange, are welded hollow valve block bracket on the cylinder bottom；The hydraulic cylinder packet
Hydraulic cylinder end cap one, hydraulic cylinder end cap two, barrel, flanged joint pedestal are included, the barrel is cylinder, left and right ends
It is respectively equipped with hydraulic cylinder end cap two and hydraulic cylinder end cap one, two bottom side of the hydraulic cylinder end cap one and hydraulic cylinder end cap
Equipped with flanged joint pedestal, the flanged joint pedestal is connected on hull；The hydraulic cylinder end cap one of the hydraulic cylinder with
End cap flanged joint is adopted between the hydraulic cylinder end cap two and valve block bracket of the hydraulic cylinder and the cylinder bottom of cylinder bottom integral structure
With flanged joint, the cylinder bottom and valve block bracket of the valve block bracket and cylinder bottom integral structure are integrated, and valve block bracket is far from cylinder bottom
One end be connected to valve block, the valve block and valve block bracket and the periphery of cylinder bottom integral structure is wrapped in pressure balance protective cover,
One end of the pressure balance protective cover and cylinder bottom use welded flange, the other end and pressure balancing structure to connect using welded flange
Binding structure, the piston rod combination are located in the cavity of hydraulic cylinder and valve block bracket and cylinder bottom integral structure composition, institute's rheme
Shift measurement structure setting combines one end internal and close to valve block, the y-type seal ring one and y-type seal ring two in piston rod
It is incorporated into a certain position of piston rod combination sliding.
Preferably, the hydraulic cylinder end cap one of the hydraulic cylinder and the flanged joint of end cap and the hydraulic cylinder
Hydraulic cylinder end cap two and valve block bracket and the cylinder bottom of cylinder bottom integral structure between the flanged joint that uses, the two flanges connect
It connects and is all connected using bump type dismountable flange, flange gasket is added in centre, and low pressure stone can be used according to seawater depth of implements difference
Cotton pad, high pressure asbestos pad, phenyl tetrafluoride pad and metal gasket.
Preferably, the hydraulic cylinder further includes two, crossbeam, oil circuit built in front side and oil circuit built in rear side, a crossbeam
It is set to side of the barrel far from flanged joint pedestal, another crossbeam is disposed in proximity to the side of flanged joint pedestal, described
Oil circuit built in oil circuit built in front side and rear side is embedded in the entity of hydraulic cylinder.
Preferably, the pressure balance protective cover includes interface structure and protective cover barrel, and the protective cover barrel is sky
Heart cylinder, wall thickness 5mm, material TC4ELI, outer diameter 250mm, the interface structure are located at the side of protective cover barrel,
Structure includes cuboid pedestal, inlet nozzle, oil outlet and electric interfaces, and the cuboid pedestal is set on protective cover barrel,
Successively come above and be dispersed with electric interfaces, oil outlet and inlet nozzle, the electric interfaces connect internal electrical control circuit, it is described into
Oil nozzle and oil outlet arrive valve block by oil circuit connection, and oil circuit is with after built in the cavity connection front side in the pressure balance protective cover
Oil circuit built in side, and the oil circuit other end is also connected to valve block built in oil circuit built in front side and rear side, constitutes hydraulic circuit.
Preferably, the piston rod combination includes outer piston bar, middle part piston rod and inner piston rod, and the inner piston rod is adopted
With hollow design, side length is hollow, and side is short hollow, and displacement measurement structure, the internal outer work are equipped with inside long hollow side
Stopper rod one end is set to the short hollow of inner piston rod, and one end cap of middle part piston rod is in outer piston rod close to the one of inner piston rod
End, the outer piston bar other end stretching are divided into main part of the force.
Preferably, there are two the y-type seal rings one, using the installation form of opposed type, inner piston rod and cylinder are mounted on
At the sliding of bottom, there are two the y-type seal rings two, using the installation form of opposed type, is mounted on outer piston bar and hydraulic cylinder
At one sliding of end cap.
Preferably, the pressure balancing structure includes pressure balance end cap, balance barrel, balanced structure flange end cap, wave
Line pipe, exhaust outlet and exhaust valve and oiling oil drainage structure, the pressure balance end cap and balance barrel flanged joint, the balance
The barrel other end is connect with balanced structure flange end cap using lenticular dismountable flange, and uses flange gasket, the balance
Exhaust outlet and exhaust valve and oiling oil drainage structure are equipped with above structure flanges end cap, exhaust outlet and exhaust valve positions use screw thread method
Orchid connection, the bellows are installed on balance wall inner portion, and the balanced structure flange end cap and pressure balance protective cover use
Welded flange connection.
Preferably, the oiling oil drainage structure includes oiling draining protection end cap, pump nozzle interface and gate gurgle valve, pump nozzle
Interface and gate gurgle valve are installed on above balanced structure flange end cap, and are led in the cavity of pressure balance protective cover composition, note
Pump nozzle interface and gate gurgle valve are wrapped in interior and close using welding with oiling draining protection end cap by oily draining protection end cap
Envelope, or connected using dismountable flange.
Preferably, institute's displacement measurement structure includes magneto strictive sensor, magnet ring and magnet ring bracket, magnetostriction sensing
Device passes through magnet ring, and magnet ring passes through the hollow aperture position of length that magnet ring bracket is fixed on inner piston rod, magneto strictive sensor pedestal
It is mounted in valve block.
Compared with prior art, the usefulness of the invention are as follows:
Using static seal and be slidingly sealed 1. the invention is comprehensive, static seal include welded flange connection, concave-convex flange connection,
Screwed flange connection, then it is used cooperatively flange gasket, it is furthermore slidingly sealed using Y grommet type seal, whole device is effectively ensured in this way
Good leakproofness.
The dismountable flange junction that 2 inventions are previously mentioned, it is easy to disassemble, it is conveniently replaceable consumptive material, such as flange gasket, sealing
Pad etc..
3. portion is connected using non-removable welded flange in the invention, especially pressure balance protective cover and pressure
In the sealing of dynamic balance structure and valve block bracket and cylinder bottom integral structure, hydraulic circuit good sealing property has been effectively ensured.
4. invention effective use static seal such as is slidingly sealed at the different sealing means, allow hydraulic sterring engine at deep-sea
It works normally.
Detailed description of the invention
Attached drawing 1 is integral outer structural schematic diagram of the invention；
Attached drawing 2 is the internal structure transmission system that the present invention removes protective cover；
Attached drawing 3 is local cutting schematic diagram of the invention；
Attached drawing 4 is overall structure side schematic view of the invention；
Attached drawing 5 is cut-away illustration at y-type seal ring structure of the invention；
Attached drawing 6 is that piston rod of the invention combines cut-away illustration；
Attached drawing 7 is interface arragement construction schematic diagram of the invention；
Attached drawing 8 is pressure balancing structure cut-away illustration of the invention；
Attached drawing 9 is oiling of the invention, draining and exhaust port structural schematic diagram.
In figure, 1, hydraulic cylinder, 101, hydraulic cylinder end cap one, 102, hydraulic cylinder end cap two, 103, barrel, 104, method
Orchid connection pedestal, 2, pressure balance protective cover, 201, interface structure, 2011, cuboid pedestal, 2012, inlet nozzle, 2013, go out
Oil nozzle, 2014, electric interfaces, 202, protective cover barrel, 3, piston rod combination, 301, outer piston bar, 302, middle part piston rod,
303, inner piston rod, 4, pressure balancing structure, 401, pressure balance end cap, 402, balance barrel, 403, balanced structure flange end
Lid, 404, bellows, 405, exhaust outlet and exhaust valve, 406, oiling oil drainage structure, 5, valve block, 6, valve block bracket and cylinder bottom one
Structure, 601, valve block bracket, 602, cylinder bottom, 7, end cap, 8, displacement measurement structure, 9, y-type seal ring one, 10, y-type seal ring
Two.
Specific embodiment
Below in conjunction with the attached drawing in the present invention, the technical solution in the present invention is clearly and completely described, is shown
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
It please refers to shown in Fig. 1-9, a kind of integrated sealing structure of hydraulic actuator, including hydraulic cylinder 1, pressure are flat
Weighing apparatus protective cover 2, piston rod combination 3, pressure balancing structure 4, valve block 5, valve block bracket and cylinder bottom integral structure 6, end cap 7, displacement
Measurement structure 8, y-type seal ring 1 and y-type seal ring 2 10, the valve block bracket and cylinder bottom integral structure 6 include valve block bracket
601 and cylinder bottom 602, the cylinder bottom 602 is circular ring type ring flange, is welded hollow valve block bracket 601 on the cylinder bottom 602；
The hydraulic cylinder 1 includes hydraulic cylinder end cap 1, hydraulic cylinder end cap 2 102, barrel 103, flanged joint pedestal 104,
The barrel 103 is cylinder, and left and right ends are respectively equipped with hydraulic cylinder end cap 2 102 and hydraulic cylinder end cap 1, institute
It states hydraulic cylinder end cap 1 and 2 102 bottom side of hydraulic cylinder end cap is equipped with flanged joint pedestal 104, the flanged joint bottom
Seat 104 is connected on hull；The hydraulic cylinder end cap 1 and 7 flanged joint of end cap of the hydraulic cylinder 1, the hydraulic cylinder
Flanged joint is used between the hydraulic cylinder end cap 2 102 and valve block bracket and the cylinder bottom 602 of cylinder bottom integral structure 6 of cylinder 1, it is described
The cylinder bottom 602 and valve block bracket 601 of valve block bracket and cylinder bottom integral structure 6 are integrated, and valve block bracket 601 is far from cylinder bottom 602
One end is connected to valve block 5, the valve block 5 and valve block bracket and the periphery of cylinder bottom integral structure 6 is wrapped in pressure balance protective cover
2, one end of the pressure balance protective cover 2 and cylinder bottom 602 use welded flange, the other end and pressure balancing structure 4 using weldering
Connection flange connection structure, the piston rod combination 3 are located at the sky that hydraulic cylinder 1 and valve block bracket and cylinder bottom integral structure 6 form
Intracavitary, institute's displacement measurement structure 8 is set to 3 inside of piston rod combination and one end close to valve block 5, the y-type seal ring
1 and y-type seal ring 2 10 be incorporated into piston rod combination 3 sliding a certain positions.
Preferably, the hydraulic cylinder end cap 1 of the hydraulic cylinder 1 and the flanged joint of end cap 7 and described hydraulic
The flanged joint used between the hydraulic cylinder end cap 2 102 and valve block bracket of cylinder barrel 1 and the cylinder bottom 602 of cylinder bottom integral structure 6,
The two flanged joints all use bump type dismountable flange to connect, and flange gasket is added in centre, different according to seawater depth of implements
Low pressure asbestos pad, high pressure asbestos pad, phenyl tetrafluoride pad and metal gasket can be used.
Preferably, the hydraulic cylinder 1 further includes two, crossbeam, oil circuit built in front side and oil circuit built in rear side, a cross
Beam is set to side of the barrel far from flanged joint pedestal 104, and another crossbeam is disposed in proximity to the one of flanged joint pedestal 104
Side, oil circuit built in oil circuit built in the front side and rear side are embedded in the entity of hydraulic cylinder 1.
Preferably, the pressure balance protective cover 2 includes interface structure 201 and protective cover barrel 202, the protective cover cylinder
Wall 202 is hollow cylinder, and wall thickness 5mm, material TC4ELI, outer diameter 250mm, the interface structure 201 is located at protective cover
The side of barrel 202, structure include cuboid pedestal 2011, inlet nozzle 2012, oil outlet 2013 and electric interfaces 2014, institute
It states cuboid pedestal 2011 to be set on protective cover barrel 202, successively comes be dispersed with electric interfaces 2014, oil outlet above
2013 and inlet nozzle 2012, the electric interfaces 2014 connect internal electrical control circuit, the inlet nozzle 1012 and oil outlet 2013
By oil circuit connection to valve block 5, oil built in oil circuit built in the cavity connection front side in the pressure balance protective cover 2 and rear side
Road, and the oil circuit other end is also connected to valve block 5 built in oil circuit built in front side and rear side, constitutes hydraulic circuit.
Preferably, the piston rod combination 3 includes outer piston bar 301, middle part piston rod 302 and inner piston rod 303, described
Inner piston rod 303 uses hollow design, and side length is hollow, and side is short hollow, is equipped with displacement measurement structure inside long hollow side
8, internal described 301 one end of outer piston bar is set to the short hollow of inner piston rod 303, and 302 1 end cap of middle part piston rod is outside
Piston rod 301 is divided into main part of the force close to one end of inner piston rod, 301 other end of the outer piston bar stretching.
Preferably, there are two the y-type seal rings 1, using the installation form of opposed type, it is mounted on inner piston rod 303
At 602 sliding of cylinder bottom, there are two the y-type seal rings 2 10, using the installation form of opposed type, is mounted on outer piston bar
301 and one 101 sliding of hydraulic cylinder end cap at.
Preferably, the pressure balancing structure 4 includes pressure balance end cap 401, balance barrel 402, balanced structure flange
End cap 403, bellows 404, exhaust outlet and exhaust valve 405 and oiling oil drainage structure 406,401 peace of pressure balance end cap
402 flanged joint of barrel, 402 other end of balance barrel and balanced structure flange end cap 403 weigh using lenticular detachable
Flanged joint, and flange gasket is used, the balanced structure flange end cap 403 is equipped with exhaust outlet and exhaust valve 405 and note above
Oily oil drainage structure 406, exhaust outlet and 405 position of exhaust valve are connected using screwed flange, and the bellows 404 is installed on surge drum
Inside wall 402, the balanced structure flange end cap 403 is connect with pressure balance protective cover 2 using welded flange.
Preferably, the oiling oil drainage structure 406 includes oiling draining protection end cap, pump nozzle interface and gate gurgle valve, note
Oil nozzle interface and gate gurgle valve are installed on above balanced structure flange end cap 403, and lead to the sky of the composition of pressure balance protective cover 2
Intracavitary, it is interior that oiling draining protects end cap to be wrapped in pump nozzle interface and gate gurgle valve, and uses with oiling draining protection end cap
Welded seal, or connected using dismountable flange.
Preferably, institute's displacement measurement structure 8 includes magneto strictive sensor, magnet ring and magnet ring bracket, and magnetostriction passes
Sensor passes through magnet ring, and magnet ring passes through the hollow aperture position of length that magnet ring bracket is fixed on inner piston rod 303, magneto strictive sensor
Pedestal is mounted in valve block 5.
When in use, easy to disassemble for dismountable flange junction, it is conveniently replaceable consumptive material, such as replacement flange gasket, close
Packing etc.；Non-removable welded flange connection, especially pressure balance protective cover 2 and pressure balancing structure 4 and valve block bracket
And in the sealing of cylinder bottom integral structure 6, hydraulic circuit good sealing property has been effectively ensured；Normal use, by above-described embodiment
Connection type assembles or welds together can normal use.
For the ordinary skill in the art, introduction according to the present invention, do not depart from the principle of the present invention with
In the case where spirit, changes, modifications that embodiment is carried out, replacement and variant still fall within protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of integrated sealing structure of hydraulic actuator, including hydraulic cylinder (1), pressure balance protective cover (2), piston rod
Combine (3), pressure balancing structure (4), valve block (5), valve block bracket and cylinder bottom integral structure (6), end cap (7), displacement measurement knot
Structure (8), y-type seal ring one (9) and y-type seal ring two (10), it is characterised in that: the valve block bracket and cylinder bottom integral structure
It (6) include valve block bracket (601) and cylinder bottom (602), the cylinder bottom (602) is circular ring type ring flange, is welded on the cylinder bottom (602)
Then hollow valve block bracket (601)；The hydraulic cylinder (1) includes hydraulic cylinder end cap one (101), hydraulic cylinder end cap two
(102), barrel (103), flanged joint pedestal (104), the barrel (103) are cylinder, and left and right ends are respectively equipped with liquid
Cylinder pressure cylinder end cap two (102) and hydraulic cylinder end cap one (101), the hydraulic cylinder end cap one (101) and hydraulic cylinder end cap
Two (102) bottom sides are equipped with flanged joint pedestal (104), and the flanged joint pedestal (104) is connected on hull；The hydraulic cylinder
The hydraulic cylinder end cap one (101) and end cap (7) flanged joint of cylinder (1), the hydraulic cylinder end cap two of the hydraulic cylinder (1)
(102) flanged joint, the valve block bracket and cylinder are used between valve block bracket and the cylinder bottom (602) of cylinder bottom integral structure (6)
The cylinder bottom (602) and valve block bracket (601) of bottom integral structure (6) are integrated, and the one of valve block bracket (601) separate cylinder bottom (602)
End is connected to valve block (5), and the periphery of the valve block (5) and valve block bracket and cylinder bottom integral structure (6) is wrapped in pressure balance guarantor
Shield (2), one end of the pressure balance protective cover (2) and cylinder bottom (602) use welded flange, the other end and pressure balance knot
Structure (4) uses welded flange connection structure, and the piston rod combination (3) is located at hydraulic cylinder (1) and valve block bracket and cylinder bottom one
In the cavity of body structure (6) composition, institute's displacement measurement structure (8) is set to piston rod combination (3) inside and close to valve block
(5) one end, the y-type seal ring one (9) and y-type seal ring two (10) are incorporated into a certain position of piston rod combination (3) sliding
It sets.
2. a kind of integrated sealing structure of hydraulic actuator as described in claim 1, it is characterised in that: the hydraulic cylinder
(1) hydraulic cylinder end cap one (101) and the flanged joint of end cap (7) and the hydraulic cylinder end cap of the hydraulic cylinder (1)
The flanged joint used between two (102) and valve block bracket and the cylinder bottom (602) of cylinder bottom integral structure (6), the two flanges connect
It connects and is all connected using bump type dismountable flange, flange gasket is added in centre, and low pressure stone can be used according to seawater depth of implements difference
Cotton pad, high pressure asbestos pad, phenyl tetrafluoride pad and metal gasket.
3. a kind of integrated sealing structure of hydraulic actuator as described in claim 1, it is characterised in that: the hydraulic cylinder
It (1) further include that two, crossbeam, oil circuit built in front side and oil circuit built in rear side, a crossbeam are set to barrel far from flanged joint bottom
The side of seat (104), another crossbeam be disposed in proximity to the side of flanged joint pedestal (104), oil circuit built in the front side and
Oil circuit built in rear side is embedded in the entity of hydraulic cylinder (1).
4. a kind of integrated sealing structure of hydraulic actuator as described in claim 1, it is characterised in that: the pressure balance
Protective cover (2) includes interface structure (201) and protective cover barrel (202), and the protective cover barrel (202) is hollow cylinder, wall
Thickness is 5mm, material TC4ELI, outer diameter 250mm, and the interface structure (201) is located at the side of protective cover barrel (202),
Its structure includes cuboid pedestal (2011), inlet nozzle (2012), oil outlet (2013) and electric interfaces (2014), described rectangular
Body pedestal (2011) is set on protective cover barrel (202), successively comes be dispersed with electric interfaces (2014), oil outlet above
(2013) and inlet nozzle (2012), the electric interfaces (2014) connect internal electrical control circuit, the inlet nozzle (1012) and out
Oil nozzle (2013) arrives valve block (5) by oil circuit connection, oil circuit built on front side of the cavity connection in the pressure balance protective cover (2)
With rear side built in oil circuit, and the oil circuit other end built in oil circuit built in front side and rear side is also connected to valve block (5), is constituted hydraulic time
Road.
5. a kind of integrated sealing structure of hydraulic actuator as described in claim 1, it is characterised in that: the piston rod group
Closing (3) includes outer piston bar (301), middle part piston rod (302) and inner piston rod (303), and the inner piston rod (303) is using empty
Heart design, side length is hollow, and side is short hollow, is equipped with displacement measurement structure (8) inside long hollow side, the internal outer piston
Bar (301) one end is set to the short hollow of inner piston rod (303), and (302) one end cap of middle part piston rod is in outer piston rod (301)
Close to one end of inner piston rod, outer piston bar (301) other end stretching is divided into main part of the force.
6. a kind of integrated sealing structure of hydraulic actuator as described in claim 1, it is characterised in that: the Y type sealing
It encloses there are two one (9), using the installation form of opposed type, is mounted at inner piston rod (303) and cylinder bottom (602) sliding, the Y
There are two type sealing rings two (10), using the installation form of opposed type, is mounted on outer piston bar (301) and hydraulic cylinder end cap one
(101) at sliding.
7. as described in claim 1 a kind of based on bellows pressure balance formula deep-sea hydraulic sterring engine, it is characterised in that: the pressure
Dynamic balance structure (4) includes pressure balance end cap (401), balance barrel (402), balanced structure flange end cap (403), bellows
(404), exhaust outlet and exhaust valve (405) and oiling oil drainage structure (406), the pressure balance end cap (401) and balance barrel
(402) flanged joint, balance barrel (402) other end and balanced structure flange end cap (403) are using lenticular detachable
Flanged joint, and flange gasket is used, the balanced structure flange end cap (403) is equipped with exhaust outlet and exhaust valve (405) above
With oiling oil drainage structure (406), exhaust outlet and exhaust valve (405) position are connected using screwed flange, bellows (404) peace
Internal loaded on balance barrel (402), the balanced structure flange end cap (403) and pressure balance protective cover (2) use welding
Orchid connection.
8. one kind as described in claim (7) is based on bellows pressure balance formula deep-sea hydraulic sterring engine, it is characterised in that: described
Oiling oil drainage structure (406) includes oiling draining protection end cap, pump nozzle interface and gate gurgle valve, and pump nozzle interface and gate gurgle valve are pacified
Above loaded on balanced structure flange end cap (403), it and leads in the cavity of pressure balance protective cover (2) composition, oiling draining
It protects end cap to be wrapped in pump nozzle interface and gate gurgle valve interior, and uses welded seal with oiling draining protection end cap, or
It is connected using dismountable flange.
9. as described in claim 1 a kind of based on bellows pressure balance formula deep-sea hydraulic sterring engine, it is characterised in that: institute's rheme
Shift measurement structure (8) includes magneto strictive sensor, magnet ring and magnet ring bracket, and magneto strictive sensor passes through magnet ring, and magnet ring is logical
The hollow aperture position of length that magnet ring bracket is fixed on inner piston rod (303) is crossed, magneto strictive sensor pedestal is mounted on valve block (5)
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099589.XA CN109026898B (en) | 2018-09-20 | 2018-09-20 | Integral sealing structure of hydraulic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099589.XA CN109026898B (en) | 2018-09-20 | 2018-09-20 | Integral sealing structure of hydraulic actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109026898A true CN109026898A (en) | 2018-12-18 |
| CN109026898B CN109026898B (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811099589.XA Expired - Fee Related CN109026898B (en) | 2018-09-20 | 2018-09-20 | Integral sealing structure of hydraulic actuator |
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| CN (1) | CN109026898B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864025A (en) * | 2019-11-21 | 2020-03-06 | 衡阳市林肯液压设备有限公司 | Quick hydraulic oil cylinder |
| CN110987673A (en) * | 2019-12-10 | 2020-04-10 | 东北大学 | High-pressure hard rock low-frequency disturbance true triaxial test mechanism |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01238722A (en) * | 1988-10-01 | 1989-09-22 | Aisin Aw Co Ltd | Annular piston with apply tube for hydraulic servo mechanism of automatic transmission |
| CN1118419A (en) * | 1993-06-09 | 1996-03-13 | 中国科学院金属研究所 | Dismountable high temperature and super vacuum isolating and sealing process |
| JP2008082345A (en) * | 2006-09-25 | 2008-04-10 | Mazda Motor Corp | Automatic transmission |
| CN202661327U (en) * | 2012-05-17 | 2013-01-09 | 天水红山试验机有限公司 | Large-tonnage electro-hydraulic servo hydraulic actuator |
| CN203115110U (en) * | 2012-11-14 | 2013-08-07 | 中国航空工业第六一八研究所 | Combined sealing structure of actuator piston rod |
| CN106787414A (en) * | 2017-01-11 | 2017-05-31 | 北京航空航天大学 | A kind of integrated electromechanical servo acting device of high power density |
| CN107104544A (en) * | 2017-07-05 | 2017-08-29 | 北京航空航天大学 | A kind of integrated electromechanical servo acting device of high power to weight ratio |
| CN107202048A (en) * | 2017-06-13 | 2017-09-26 | 北京航空航天大学 | A kind of highly integrated pressure balance type deep-sea electrohydraudic servomechanism |
| CN107630848A (en) * | 2017-10-25 | 2018-01-26 | 北京富力通达科技有限公司 | A kind of high-volume hydraulic device and its implementation |
-
2018
- 2018-09-20 CN CN201811099589.XA patent/CN109026898B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01238722A (en) * | 1988-10-01 | 1989-09-22 | Aisin Aw Co Ltd | Annular piston with apply tube for hydraulic servo mechanism of automatic transmission |
| CN1118419A (en) * | 1993-06-09 | 1996-03-13 | 中国科学院金属研究所 | Dismountable high temperature and super vacuum isolating and sealing process |
| JP2008082345A (en) * | 2006-09-25 | 2008-04-10 | Mazda Motor Corp | Automatic transmission |
| CN202661327U (en) * | 2012-05-17 | 2013-01-09 | 天水红山试验机有限公司 | Large-tonnage electro-hydraulic servo hydraulic actuator |
| CN203115110U (en) * | 2012-11-14 | 2013-08-07 | 中国航空工业第六一八研究所 | Combined sealing structure of actuator piston rod |
| CN106787414A (en) * | 2017-01-11 | 2017-05-31 | 北京航空航天大学 | A kind of integrated electromechanical servo acting device of high power density |
| CN107202048A (en) * | 2017-06-13 | 2017-09-26 | 北京航空航天大学 | A kind of highly integrated pressure balance type deep-sea electrohydraudic servomechanism |
| CN107104544A (en) * | 2017-07-05 | 2017-08-29 | 北京航空航天大学 | A kind of integrated electromechanical servo acting device of high power to weight ratio |
| CN107630848A (en) * | 2017-10-25 | 2018-01-26 | 北京富力通达科技有限公司 | A kind of high-volume hydraulic device and its implementation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864025A (en) * | 2019-11-21 | 2020-03-06 | 衡阳市林肯液压设备有限公司 | Quick hydraulic oil cylinder |
| CN110987673A (en) * | 2019-12-10 | 2020-04-10 | 东北大学 | High-pressure hard rock low-frequency disturbance true triaxial test mechanism |
| CN110987673B (en) * | 2019-12-10 | 2021-06-22 | 东北大学 | High-pressure hard rock low-frequency disturbance true triaxial test mechanism |
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| CN109026898B (en) | 2020-04-10 |
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