CN110273892A - A kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband - Google Patents

A kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband Download PDF

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Publication number
CN110273892A
CN110273892A CN201910543751.0A CN201910543751A CN110273892A CN 110273892 A CN110273892 A CN 110273892A CN 201910543751 A CN201910543751 A CN 201910543751A CN 110273892 A CN110273892 A CN 110273892A
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CN
China
Prior art keywords
cylinder
piston
cylinder barrel
acquisition
chamber
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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.)
Pending
Application number
CN201910543751.0A
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Chinese (zh)
Inventor
方子帆
谢哲雨
覃琳
刘进
谢志恒
洪俊鹏
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China Three Gorges University CTGU
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China Three Gorges University CTGU
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Priority to CN201910543751.0A priority Critical patent/CN110273892A/en
Publication of CN110273892A publication Critical patent/CN110273892A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
    • 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
    • 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
    • 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
    • F15B15/08—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
    • 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
    • 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
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
    • 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
    • F15B15/17—Characterised by the construction of the motor unit of the straight-cylinder type of differential-piston type
    • 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
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Oceanography (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Actuator (AREA)

Abstract

The invention discloses a kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband, oil cylinder is divided into four chambers, and structure includes cylinder barrel, end cap, cylinder cap and connecting lug, and the cylinder cap, end cap and earrings are located at cylinder barrel both ends.By being tightly connected, sliding installs a piston rod in cylinder cap and cylinder barrel, which is divided into two sections, First piston bar and second piston bar.Four chamber of cylinder barrel is connected in series, and there are four hydraulic fluid ports for installation in total in end walls, as oil inlet and oil outlet.Two piston bottom ends are fixedly mounted with a cushion respectively in cylinder barrel, can effectively damper piston collision cylinder bottom impact force.The configuration of the present invention is simple, low in cost, design is scientific and reasonable, it is therefore intended that the renewable wave energy wideband acquisition being applicable under the random situation of change of marine environment.

Description

A kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband
Technical field
The present invention relates to marine tidal-current energy technical field of power generation, and in particular to a kind of multi-chamber hydraulic for the acquisition of wave energy wideband Cylinder.
Background technique
Due to the variation of ocean sea situation, the vibration in marine environment is not mostly the vibration of single-frequency, frequency content It is distributed in a wider frequency band.In order to more sufficiently acquire the vibrational energy in environment, it is desirable that energy collecting device has width Frequency vibration acquisition performance.The frequency band of traditional vibration energy collector is narrow, is unable to satisfy practical application needs.Thus based on adaptation The discrete working principle in Multiple cavity oil cylinder position that work sea situation Random Wave can acquire, after realizing wideband acquisition by Multiple cavity oil cylinder, Random reciprocating machine can be converted to pressure energy by system, and rear end oil piping system is respectively delivered to high and low pressure further according to pressure size Power circuit, system pressure difference drive hydraulic motor to generate rotary motion, drive generator work, constitute hydraulic energy converting system, The output of realization system regulated power.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of multi-chamber hydraulic cylinders for the acquisition of wave energy wideband.Not only The wave energy energy under single-frequency can be effectively acquired, the energy acquisition problem under multi-frequency can also be solved, is suitable for China The wave energy researched and developed energetically under renewable energy exploration project at this stage acquires conversion equipment, and wave energy acquisition conversion can be improved The energy acquisition efficiency of device.
In order to realize above-mentioned technical characteristic, the object of the present invention is achieved like this: one kind is adopted for wave energy wideband The multi-chamber hydraulic cylinder of collection, it includes cylinder barrel, and the cylinder barrel uses two sections of cylinder type structures, and the cylinder barrel is internally provided with segmentation The First piston bar and second piston bar of formula, the cylinder barrel where the First piston bar are internally provided with first piston, and described Cylinder barrel where two piston rods is internally provided with second piston, and the diameter of the First piston bar is greater than the straight of second piston bar Diameter；The diameter of cylinder barrel section where the diameter of cylinder barrel section is greater than second piston where the first piston；The both ends of the steel cylinder are set It is equipped with cylinder head sealing structure.
The first hydraulic fluid port and the second hydraulic fluid port are respectively arranged on the both ends side wall of cylinder barrel where the first piston；Described second Third hydraulic fluid port and the 4th hydraulic fluid port are respectively arranged on the both ends side wall of cylinder barrel where piston.
Cylinder barrel is separated into first chamber and second chamber by the first piston.
Cylinder barrel is separated into third chamber and the 4th chamber by the second piston.
The cylinder head sealing structure includes the forward flange disk for being fixed on the one of end of cylinder barrel, the forward flange disk Outer end face be fixedly installed with drive end bearing bracket, the outer end face of the drive end bearing bracket is fixed with front end housing, and another end of the cylinder barrel is solid Surely there is rear stub, the outer end face of the rear stub is fixedly installed with rear end cap, after the outer end face of the rear end cap is fixed with Cylinder cap.
The end of the First piston bar has been connected through a screw thread tailpiece of the piston rod earrings, and the end of the second piston passes through It is threaded with cylinder bottom earrings.
Be equipped between the inner wall of the outside and cylinder barrel of the first piston and second piston stepped sealing ring and Guide ring.
The end face of the first piston and second piston is all respectively fixed with elastic cushion.
The internal end surface that the drive end bearing bracket and rear end cap are located at cylinder barrel is respectively fixed with rubber pad.
End cap seal circle is provided between the drive end bearing bracket and First piston bar；The faying face of the front end housing and drive end bearing bracket It is provided with the first sealing ring；The drive end bearing bracket and cylinder barrel faying face is provided with the second sealing ring；The front end housing and first is lived Dustband, support ring, O-ring seal and piston rod seals are disposed between stopper rod.
The method have the advantages that:
Invention is a kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband, increases the work chamber of hydraulic cylinder, it is possible to provide Different effective piston effect areas, generates different pressure ratings, to adapt to the vibration condition under different frequency bandwidth, more Add the vibrational energy in sufficiently acquisition environment, the performance with wideband vibration acquisition.Improve efficiency, saved economic cost and Human cost.Have a vast market value.The environment and its need purpose to be achieved faced according to user, this multi-cavity liquid The wave energy acquisition conversion equipment that can arrange in pairs or groups different on cylinder pressure.That is, different dresses may be implemented in this kind of multi-chamber hydraulic cylinder The multiple functions set.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is schematic side view of the invention；
Fig. 3 is present hydraulic cylinder oil circuit schematic diagram.
In figure: tailpiece of the piston rod earrings 1, First piston bar 2, front end housing 3, drive end bearing bracket 4, forward flange disk 5, the first hydraulic fluid port 6, cylinder Cylinder 7, first chamber 8, first piston 9, second chamber 10, the second hydraulic fluid port 11, third hydraulic fluid port 12, third chamber 13, second piston 14, elastic cushion 15, the 4th chamber 16, the 4th hydraulic fluid port 17, rear stub 18, rear end cap 19, back cylinder cover 20, cylinder bottom earrings 21, anti- Konisphere 22, support ring 23, O-ring seal 24, piston rod seals 25, the first sealing ring 26, the second sealing ring 27, end cap seal Circle 28, rubber pad 29, stepped sealing ring 30, guide ring 31, second piston bar 32.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
As shown in Figs. 1-2, a kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband, it includes cylinder barrel 7, the cylinder barrel 7 Using two sections of cylinder type structures, the First piston bar 2 for being internally provided with segmented and second piston bar 32 of the cylinder barrel 7, institute Cylinder barrel where stating First piston bar 2 is internally provided with first piston 9, setting inside the cylinder barrel where the second piston bar 32 There is second piston 14, the diameter of the First piston bar 2 is greater than the diameter of second piston bar 32；The 9 place cylinder of first piston The diameter of cylinder section is greater than the diameter of 14 place cylinder barrel section of second piston；The both ends of the steel cylinder 7 are provided with cylinder head sealing knot Structure.
Further, the first hydraulic fluid port 6 and the second oil are respectively arranged on the both ends side wall of the 9 place cylinder barrel of first piston Mouth 11；Third hydraulic fluid port 12 and the 4th hydraulic fluid port 17 are respectively arranged on the both ends side wall of the 14 place cylinder barrel of second piston.Pass through Be arranged multiple and different hydraulic fluid ports for and
Further, cylinder barrel is separated into first chamber 8 and second chamber 10 by the first piston 9.The second piston 14 Cylinder barrel is separated into third chamber 13 and the 4th chamber 16., the third chamber identical with 10 cylinder barrel of second chamber of first chamber 8 13 is identical with 16 cylinder barrel diameter of the 4th chamber, and the first cylinder barrel diameter is greater than the second cylinder barrel, and it is living that 2 diameter of First piston bar is greater than second The diameter of stopper rod 32, so the effective active area of four chambers of hydraulic cylinder is different.
Further, the cylinder head sealing structure includes the forward flange disk 5 for being fixed on the one of end of cylinder barrel 7, The outer end face of the forward flange disk 5 is fixedly installed with drive end bearing bracket 4, and the outer end face of the drive end bearing bracket 4 is fixed with front end housing 3, described Another end of cylinder barrel 7 is fixed with rear stub 18, and the outer end face of the rear stub 18 is fixedly installed with rear end cap 19, described The outer end face of rear end cap 19 is fixed with back cylinder cover 20.Fixation is played to oil cylinder by above-mentioned cylinder head sealing structure, is sealed Oil and guiding role.The both ends of hydraulic cylinder use ring flange and sealing are fixed, and installing and dismounting is convenient
Further, the end of the First piston bar 2 has been connected through a screw thread tailpiece of the piston rod earrings 1, the second piston 14 End be connected through a screw thread cylinder bottom earrings 21.So that cylinder barrel convenient transportation, earrings is easily installed disassembly.
Further, rank is equipped between the inner wall of the outside and cylinder barrel of the first piston 9 and second piston 14 Ladder type sealing ring 30 and guide ring 31.Play the role of sealing by stepped sealing ring 30.
Further, the end face of the first piston 9 and second piston 14 is all respectively fixed with elastic cushion 15.
Further, the internal end surface that the drive end bearing bracket 4 and rear end cap 19 are located at cylinder barrel 7 is respectively fixed with rubber pad 29. The impact force of two first pistons 9 and second piston 14 and 7 bottom collision friction of cylinder barrel can be effectively buffered, is had slow well Punching effect.
Further, end cap seal circle 28 is provided between the drive end bearing bracket 4 and First piston bar 2；The front end housing 3 with The faying face of drive end bearing bracket 4 is provided with the first sealing ring 26；The drive end bearing bracket 4 and 7 faying face of cylinder barrel is provided with the second sealing ring 27；Dustband 22, support ring 23, O-ring seal 24 and piston are disposed between the front end housing 3 and First piston bar 2 Bar sealing ring 25.
Working process and principle of the invention:
As shown in figure 3, eight switch valves, the corresponding chamber of two valves, four, left side valve lead to high pressure oil pipeline, four, the right valve The oil circuit of different pressures is led in logical low pressure oil pipeline, the unlatching of different switch valves.

Claims (10)

1. a kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband, it is characterised in that: it includes cylinder barrel (7), the cylinder barrel (7) Using two sections of cylinder type structures, the First piston bar (2) for being internally provided with segmented and second piston bar of the cylinder barrel (7) (32), the cylinder barrel where the First piston bar (2) is internally provided with first piston (9), where the second piston bar (32) Cylinder barrel be internally provided with second piston (14), the diameter of the First piston bar (2) is greater than the diameter of second piston bar (32)； The diameter of cylinder barrel section where the diameter of cylinder barrel section is greater than second piston (14) where the first piston (9)；The steel cylinder (7) Both ends are provided with cylinder head sealing structure.
2. a kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband according to claim 1, it is characterised in that: described the The first hydraulic fluid port (6) and the second hydraulic fluid port (11) are respectively arranged on the both ends side wall of cylinder barrel where one piston (9)；The second piston (14) third hydraulic fluid port (12) and the 4th hydraulic fluid port (17) are respectively arranged on the both ends side wall of cylinder barrel where.
3. a kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband according to claim 1, it is characterised in that: described the Cylinder barrel is separated into first chamber (8) and second chamber (10) by one piston (9).
4. a kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband according to claim 1, it is characterised in that: described the Cylinder barrel is separated into third chamber (13) and the 4th chamber (16) by two pistons (14).
5. a kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband according to claim 1, it is characterised in that: the cylinder Cylinder end seals structure includes being fixed on the forward flange disk (5) of cylinder barrel (7) one of end, the forward flange disk (5) it is outer End face is fixedly installed with drive end bearing bracket (4), and the outer end face of the drive end bearing bracket (4) is fixed with front end housing (3), the cylinder barrel (7) it is another One end is fixed with rear stub (18), and the outer end face of the rear stub (18) is fixedly installed with rear end cap (19), after described The outer end face of end cap (19) is fixed with back cylinder cover (20).
6. a kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband according to claim 1, it is characterised in that: described the The end of one piston rod (2) has been connected through a screw thread tailpiece of the piston rod earrings (1), and the end of the second piston (14) passes through screw thread It is connected with cylinder bottom earrings (21).
7. a kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband according to claim 1, it is characterised in that: described the Stepped sealing ring (30) and guiding are equipped between the inner wall of the outside and cylinder barrel of one piston (9) and second piston (14) Ring (31).
8. a kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband according to claim 1, it is characterised in that: described the The end face of one piston (9) and second piston (14) is all respectively fixed with elastic cushion (15).
9. a kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband according to claim 5, it is characterised in that: before described The internal end surface that end cap (4) and rear end cap (19) are located at cylinder barrel (7) is respectively fixed with rubber pad (29).
10. a kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband according to claim 5, it is characterised in that: described End cap seal circle (28) are provided between drive end bearing bracket (4) and First piston bar (2)；The knot of the front end housing (3) and drive end bearing bracket (4) Conjunction face is provided with the first sealing ring (26)；The drive end bearing bracket (4) and cylinder barrel (7) faying face is provided with the second sealing ring (27)； Dustband (22), support ring (23), O-ring seal (24) are disposed between the front end housing (3) and First piston bar (2) With piston rod seals (25).
CN201910543751.0A 2019-06-21 2019-06-21 A kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband Pending CN110273892A (en)

Priority Applications (1)

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CN201910543751.0A CN110273892A (en) 2019-06-21 2019-06-21 A kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband

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Application Number Priority Date Filing Date Title
CN201910543751.0A CN110273892A (en) 2019-06-21 2019-06-21 A kind of multi-chamber hydraulic cylinder for the acquisition of wave energy wideband

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Publication number Priority date Publication date Assignee Title
CN112855422A (en) * 2021-02-01 2021-05-28 三峡大学 Hydraulic motor constant speed control system and method for wave energy hydraulic conversion system

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CN201047367Y (en) * 2007-05-23 2008-04-16 天水锻压机床有限公司 Steel tube diameter enlarging machine duplex combined oil cylinder
CN201093065Y (en) * 2007-08-03 2008-07-30 王金平 Piston rod sealing element
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CN205315381U (en) * 2016-01-04 2016-06-15 中国石油大学(华东) Novel combination pneumatic cylinder
CN207583744U (en) * 2017-11-30 2018-07-06 武昌船舶重工集团有限公司 A kind of hydraulic device with buffer structure
CN109185265A (en) * 2018-10-26 2019-01-11 千人计划常州新能源汽车研究院有限公司 A kind of hydraulic cylinder
CN109296586A (en) * 2018-11-27 2019-02-01 千人计划常州新能源汽车研究院有限公司 A kind of hydraulic cylinder
CN109826744A (en) * 2019-02-21 2019-05-31 三峡大学 A kind of oscillation flapping wing wave energy wideband acquisition of array and converting system and control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112855422A (en) * 2021-02-01 2021-05-28 三峡大学 Hydraulic motor constant speed control system and method for wave energy hydraulic conversion system
CN112855422B (en) * 2021-02-01 2022-04-12 三峡大学 Hydraulic motor constant speed control system and method for wave energy hydraulic conversion system

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