CN106015157A - Composite carbon fiber oil cylinder - Google Patents

Composite carbon fiber oil cylinder Download PDF

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Publication number
CN106015157A
CN106015157A CN201610511326.XA CN201610511326A CN106015157A CN 106015157 A CN106015157 A CN 106015157A CN 201610511326 A CN201610511326 A CN 201610511326A CN 106015157 A CN106015157 A CN 106015157A
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CN
China
Prior art keywords
cylinder
carbon fiber
piston rod
composite carbon
cylinder barrel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610511326.XA
Other languages
Chinese (zh)
Other versions
CN106015157B (en
Inventor
张月红
陈延伟
王晋力
刘民东
朱志强
苏川宁
韩晓
马雷鹏
韩广智
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Academy of Launch Vehicle Technology CALT
Shanxi Aerospace Qinghua Equipment Co Ltd
Original Assignee
China Academy of Launch Vehicle Technology CALT
Changzhi Qinghua Machinery Factory
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Academy of Launch Vehicle Technology CALT, Changzhi Qinghua Machinery Factory filed Critical China Academy of Launch Vehicle Technology CALT
Priority to CN201610511326.XA priority Critical patent/CN106015157B/en
Publication of CN106015157A publication Critical patent/CN106015157A/en
Application granted granted Critical
Publication of CN106015157B publication Critical patent/CN106015157B/en
Active legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1428Cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1438Cylinder to end cap assemblies
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1447Pistons; Piston to piston rod assemblies
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1447Pistons; Piston to piston rod assemblies
    • F15B15/1452Piston sealings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1457Piston rods
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1457Piston rods
    • F15B15/1461Piston rod sealings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2215/00Fluid-actuated devices for displacing a member from one position to another
    • F15B2215/30Constructional details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2215/00Fluid-actuated devices for displacing a member from one position to another
    • F15B2215/30Constructional details thereof
    • F15B2215/305Constructional details thereof characterised by the use of special materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)

Abstract

The invention provides a composite carbon fiber oil cylinder, belongs to the technical field of hydraulic cylinders, and aims to provide a carbon fiber oil cylinder which meets the design requirement on inner bore precision, geometric tolerance and degree of finish of a cylinder barrel and works stably under high pressure. According to the technical scheme, the cylinder barrel is formed by winding composite carbon fibers and nano materials; threads which are formed by winding composite carbon fibers and nano materials are respectively arranged at two ends of a cylinder cover; threads are also machined at connecting ends of a cylinder bottom, the cylinder cover and the cylinder barrel; a piston rod of a piston rod assembly is a hollow tube; an oil cylinder reverse cavity inlet is formed in the piston rod; and an oil cylinder forward cavity inlet is formed in the cylinder bottom. The invention is applied to the carbon fiber oil cylinder.

Description

Composite carbon fiber oil cylinder
Technical field
Composite carbon fiber oil cylinder, belongs to technical field of hydraulic oil cylinder.
Background technology
Light-weight design is a developing direction of hydraulic jack, and the most basic advantage of composite carbon fiber oil cylinder is the weight dramatically reducing parts, and enhances its load performance.Original technology is the carbon fiber cylinder barrel without liner, and during compound carbon fiber winding, after the control of inner hole of cylinder deflection and winding, hole size precision and roughness do not reach design requirement, can not bear high pressure simultaneously;After carbon fiber inner hole of cylinder increases metal inner lining, when oil cylinder is in high pressure conditions, metal inner lining is inconsistent with the coefficient of expansion of non-metal carbon fiber cylinder barrel, it is easily caused metal inner lining to peel off with carbon fiber cylinder barrel, so manufacturing the composite carbon fiber cylinder barrel that satisfied design requires and high pressure uses is a difficult problem.
Composite carbon fiber advantage be lightweight, non magnetic, do not corrode and not autgmentability, composite carbon fiber shortcoming is that welding, bonding strength are weak, how to evade hydraulic fluid port be wound around, another difficult problem being welded into the design of carbon fiber oil cylinder of connecting portion.
Summary of the invention
The technical problem to be solved is to provide a kind of inner hole of cylinder precision, form and position tolerance and fineness and meets design requirement and the carbon fiber oil cylinder at high pressure conditions working stability.
For solving above-mentioned technical problem, the technical solution adopted in the present invention: composite carbon fiber oil cylinder, including cylinder bottom, piston, piston rod assembly, cylinder barrel and cylinder cap without metal inner lining, described cylinder bottom and cylinder barrel junction are provided with cylinder bottom static seal, described cylinder cap is disposed with dust ring from outside to inside, guidance tape, cylinder cap static seal and dust ring, guidance tape is arranged between piston rod assembly and cylinder cap, cylinder cap static seal is arranged between cylinder cap and cylinder barrel, piston rod packing circle it is additionally provided with between described piston rod assembly and cylinder cap, described piston is provided with piston packing;
Described cylinder barrel is entwined by composite carbon fiber and nano material, and is equipped with composite carbon fiber at the two ends of cylinder cap and screw thread that nano material is entwined, and the connection end of described cylinder bottom, cylinder cap and cylinder barrel is also opened and is threaded;
The piston rod of described piston rod assembly is hollow pipe, is provided with oil cylinder anti-chamber oil-in at piston rod, and described cylinder bottom is provided with oil cylinder positive chamber oil-in;
Described cylinder cap, piston, cylinder bottom make material and are aluminium, and it is structural alloy steel that the piston rod of described piston rod assembly makes material.
Described cylinder barrel completes the winding of composite carbon fiber and nano material on mould.
Described cylinder barrel be wound around by composite carbon fiber and nano material after again machine add and make.
Described cylinder barrel is formed with multiple angles cross winding by composite carbon fiber and nano material, and winding angle is 5 °~90 °.
The screw thread at described cylinder barrel two ends is provided with the transition chamfering of 10 °~25 °.
Compared to the prior art the present invention has the advantages that.
One, the present invention uses the composite carbon fiber cylinder barrel without metal inner lining to make oil cylinder weight loss effect obvious, 45%-70% can be reached, and cylinder barrel uses composite carbon fiber and nano material to be entwined, add the consistency of cylinder barrel, make cylinder barrel intensity higher, cylinder barrel is more wear-resisting, antiseep, also not have the cylinder barrel adding metal inner lining metal after by high pressure without the cylinder barrel of metal inner lining inconsistent with the nonmetal coefficient of expansion for the present invention simultaneously, deform inconsistent problem, by being wound around screw thread at cylinder barrel two ends, make cylinder barrel and cylinder bottom, intensity after cylinder cap is threaded is high, solve composite carbon fiber bonding strength weak, the shortcoming of welding;
It is wound around hydraulic fluid port and the design difficulty problem of connecting portion for solving cylinder barrel, oil-in is designed on hollow piston rod and cylinder bottom by the present invention, fluid is sent into the oil cylinder anti-chamber oil-in in the anti-chamber of oil cylinder by arranging at piston rod, arrange at cylinder bottom and fluid is sent into the oil cylinder positive chamber oil-in in the positive chamber of oil cylinder, make cylinder bottom, the piston rod can be to oil cylinder fuel feeding, realize the bidirectional-movement that piston rod stretches out, regains, thus solve cylinder barrel and be wound around hydraulic fluid port and the design challenges of connecting portion.
Two, the cylinder barrel of the present invention is completely wound work on particular manufacturing craft, owing to precision, form and position tolerance and the fineness of mould are guaranteed, therefore inner hole of cylinder precision, form and position tolerance and fineness after being wound around the demoulding also can meet design requirement, good airproof performance in work process, ne-leakage phenomenon.
Three, when the cylinder barrel of the present invention and cylinder barrel screw thread use composite carbon fiber, nano material to be wound around, use different angles cross winding to guarantee to bear the design requirement of different directions power, good airproof performance in work process, ne-leakage phenomenon.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention.
In figure, 1 is cylinder bottom, and 2 is cylinder bottom static seal, and 3 is piston packing, and 4 is piston, and 5 is cylinder barrel, and 6 is piston rod assembly, and 7 is cylinder cap static seal, and 8 is guidance tape, and 9 is piston rod packing circle, and 10 is dust ring, and 11 is cylinder cap.
Detailed description of the invention
Embodiment one
As shown in Figure 1, composite carbon fiber oil cylinder, including cylinder bottom 1, piston 4, piston rod assembly 6, cylinder barrel 5 and cylinder cap 11 without metal inner lining, described cylinder bottom 1 is provided with cylinder bottom static seal 2 with cylinder barrel 5 junction, described cylinder cap 11 is disposed with dust ring 10 from outside to inside, guidance tape 8, cylinder cap static seal 7 and dust ring 10, guidance tape 8 is arranged between piston rod assembly 6 and cylinder cap 11, cylinder cap static seal 7 is arranged between cylinder cap 11 and cylinder barrel 5, it is additionally provided with piston rod packing circle 9 between described piston rod assembly 6 and cylinder cap 11, described piston 4 is provided with piston packing 3;
Described cylinder barrel 5 is entwined by composite carbon fiber and nano material, and is equipped with composite carbon fiber at the two ends of cylinder cap 5 and screw thread that nano material is entwined, and the connection end of described cylinder bottom 1, cylinder cap 11 and cylinder barrel 5 is also opened and is threaded;
The piston rod of described piston rod assembly 6 is hollow pipe, is provided with oil cylinder anti-chamber oil-in at piston rod, and described cylinder bottom 1 is provided with oil cylinder positive chamber oil-in;
Described cylinder cap 11, piston 4, cylinder bottom 1 make material and are aluminium, and it is structural alloy steel that the piston rod of described piston rod assembly 6 makes material.
Described cylinder barrel 5 be wound around by composite carbon fiber and nano material after again machine add and make.
Described cylinder barrel 5 is formed with multiple angles cross winding by composite carbon fiber and nano material, and winding angle is 5 °~90 °.
The screw thread at described cylinder barrel 5 two ends is provided with the transition chamfering of 10 °~25 °.
Embodiment two
As shown in Figure 1, composite carbon fiber oil cylinder, including cylinder bottom 1, piston 4, piston rod assembly 6, cylinder barrel 5 and cylinder cap 11 without metal inner lining, described cylinder bottom 1 is provided with cylinder bottom static seal 2 with cylinder barrel 5 junction, described cylinder cap 11 is disposed with dust ring 10 from outside to inside, guidance tape 8, cylinder cap static seal 7 and dust ring 10, guidance tape 8 is arranged between piston rod assembly 6 and cylinder cap 11, cylinder cap static seal 7 is arranged between cylinder cap 11 and cylinder barrel 5, it is additionally provided with piston rod packing circle 9 between described piston rod assembly 6 and cylinder cap 11, described piston 4 is provided with piston packing 3;
Described cylinder barrel 5 is entwined by composite carbon fiber and nano material, and is equipped with composite carbon fiber at the two ends of cylinder cap 5 and screw thread that nano material is entwined, and the connection end of described cylinder bottom 1, cylinder cap 11 and cylinder barrel 5 is also opened and is threaded;
The piston rod of described piston rod assembly 6 is hollow pipe, is provided with oil cylinder anti-chamber oil-in at piston rod, and described cylinder bottom 1 is provided with oil cylinder positive chamber oil-in;
Described cylinder cap 11, piston 4, cylinder bottom 1 make material and are aluminium, and it is structural alloy steel that the piston rod of described piston rod assembly 6 makes material.
Described cylinder barrel 5 completes the winding of composite carbon fiber and nano material on mould.
Described cylinder barrel 5 is formed with multiple angles cross winding by composite carbon fiber and nano material, and winding angle is 5 °~90 °.
The screw thread at described cylinder barrel 5 two ends is provided with the transition chamfering of 10 °~25 °.
The cylinder barrel 5 of the present invention both can use the production method that after being first wound around, machine adds again, it would however also be possible to employ is completely wound the production method of the demoulding again on mould.
When the cylinder barrel 5 of the present invention uses the production method that after being wound around, machine adds again, its installation step is as follows:
One, piston rod assembly 6 is assembled into one;
Two, cylinder cap 11 is overlapped on the piston rod, piston 4 is threadeded with piston rod assembly 6;
Three, cylinder bottom 1 is threadeded with cylinder barrel 5;
Four, each parts connected are loaded cylinder barrel 5 inner chamber, cylinder cap 11 is tightened on cylinder barrel 5;
Five, test the stretching out of piston rod, regains the most flexibly, reliably, with or without internal and outernal leakage phenomenon.
When the cylinder barrel 5 of the present invention uses the production method that mould is wound around, its installation step is as follows:
One, particular manufacturing craft is made according to the internal diameter size of cylinder barrel 5;
Two, on particular manufacturing craft, cylinder barrel 5 it is wound, until the demoulding after meeting the requirements;
Three, the cylinder barrel 5 of the demoulding is carried out detail sanding process;
Four, piston rod assembly 6 is assembled into one;
Five, cylinder cap 11 is overlapped on the piston rod, piston 4 is threadeded with piston rod assembly 6;
Six, cylinder bottom 1 is threadeded with cylinder barrel 5;
Seven, each parts connected are loaded cylinder barrel 5 inner chamber, cylinder cap 11 is tightened on cylinder barrel 5;
Eight, test the stretching out of piston rod, regains the most flexibly, reliably, with or without internal and outernal leakage phenomenon.
After described cylinder barrel 5 completes, fineness should reach 0.2-0.4, so forms oil film at cylinder barrel 5 inwall, without outer Seepage;Cylinder barrel 5 can bear the test pressure of the operating pressure of 25MPa, 31.5MPa simultaneously, and cylinder barrel 5 intensity is high.
When the present invention works, when oil enters the positive chamber of oil cylinder by the positive chamber oil-in of cylinder bottom 1, promoting piston 4 to move, piston rod stretches out;When oil enters the anti-chamber of oil cylinder by the piston rod anti-chamber oil-in of piston rod assembly 6, and piston rod is regained.The stretching out of whole piston rod, regaining process flexible, steadily, the screw strength of cylinder barrel 5 is reliable and stable.
The design of the present invention relates to the every field of Aeronautics and Astronautics, engineering machinery, can be applicable to multiple fields such as industrial trade, plant equipment, show business, testing equipment.
Above-described embodiment is unrestricted to the explanation of present configuration, and the deformation made without departing from the principles of the present invention is also within protection scope of the present invention.

Claims (5)

1. composite carbon fiber oil cylinder, it is characterized in that: include cylinder bottom (1), piston (4), piston rod assembly (6), cylinder barrel (5) and cylinder cap (11) without metal inner lining, described cylinder bottom (1) and cylinder barrel (5) junction are provided with cylinder bottom static seal (2), described cylinder cap (11) is disposed with dust ring (10) from outside to inside, guidance tape (8), cylinder cap static seal (7) and dust ring (10), guidance tape (8) is arranged between piston rod assembly (6) and cylinder cap (11), cylinder cap static seal (7) is arranged between cylinder cap (11) and cylinder barrel (5), piston rod packing circle (9) it is additionally provided with between described piston rod assembly (6) and cylinder cap (11), described piston (4) is provided with piston packing (3);
Described cylinder barrel (5) is entwined by composite carbon fiber and nano material, and being equipped with composite carbon fiber at the two ends of cylinder cap (5) and screw thread that nano material is entwined, the connection end of described cylinder bottom (1), cylinder cap (11) and cylinder barrel (5) is also opened and is threaded;
The piston rod of described piston rod assembly (6) is hollow pipe, is provided with oil cylinder anti-chamber oil-in at piston rod, and described cylinder bottom (1) is provided with oil cylinder positive chamber oil-in;
Described cylinder cap (11), piston (4), cylinder bottom (1) make material and are aluminium, and it is structural alloy steel that the piston rod of described piston rod assembly (6) makes material.
Composite carbon fiber oil cylinder the most according to claim 1, it is characterised in that: described cylinder barrel (5) completes the winding of composite carbon fiber and nano material on mould.
Composite carbon fiber oil cylinder the most according to claim 1, it is characterised in that: described cylinder barrel (5) be wound around by composite carbon fiber and nano material after again machine add and make.
4. according to the composite carbon fiber oil cylinder described in claim 1-3, it is characterised in that: described cylinder barrel (5) is formed with multiple angles cross winding by composite carbon fiber and nano material, and winding angle is 5 °~90 °.
5. according to the composite carbon fiber oil cylinder described in claim 1-3 any one claim, it is characterised in that: the screw thread at described cylinder barrel (5) two ends is provided with the transition chamfering of 10 °~25 °.
CN201610511326.XA 2016-07-04 2016-07-04 Compound carbon fiber oil cylinder Active CN106015157B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610511326.XA CN106015157B (en) 2016-07-04 2016-07-04 Compound carbon fiber oil cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610511326.XA CN106015157B (en) 2016-07-04 2016-07-04 Compound carbon fiber oil cylinder

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CN106015157A true CN106015157A (en) 2016-10-12
CN106015157B CN106015157B (en) 2018-11-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115107262A (en) * 2022-08-30 2022-09-27 浙江大学 Rigidity-variable metal-lining-free carbon fiber reinforced hydraulic cylinder

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000240609A (en) * 1999-02-24 2000-09-05 Kayaba Ind Co Ltd Method for forming flow path of fluid pressure cylinder
US20060255047A1 (en) * 2005-05-11 2006-11-16 Mitsunori Gotou Reinforcing structure of cylinder barrel
CN103727092A (en) * 2014-01-24 2014-04-16 武汉理工大学 Hydraulic cylinder of carbon fiber composite material
CN104454763A (en) * 2014-12-02 2015-03-25 荣成复合材料有限公司 Method for manufacturing composite material hydraulic oil cylinder and telescopic boom
CN204436933U (en) * 2014-12-30 2015-07-01 朱桂林 The antitorque oil hydraulic cylinder of guiding in a kind of
CN204900389U (en) * 2015-06-23 2015-12-23 张家港市金桥轻工机械有限公司 Mounting structure of pneumatic cylinder cylinder bottom
CN205977869U (en) * 2016-07-04 2017-02-22 长治清华机械厂 Composite carbon fiber hydro -cylinder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000240609A (en) * 1999-02-24 2000-09-05 Kayaba Ind Co Ltd Method for forming flow path of fluid pressure cylinder
US20060255047A1 (en) * 2005-05-11 2006-11-16 Mitsunori Gotou Reinforcing structure of cylinder barrel
CN103727092A (en) * 2014-01-24 2014-04-16 武汉理工大学 Hydraulic cylinder of carbon fiber composite material
CN104454763A (en) * 2014-12-02 2015-03-25 荣成复合材料有限公司 Method for manufacturing composite material hydraulic oil cylinder and telescopic boom
CN204436933U (en) * 2014-12-30 2015-07-01 朱桂林 The antitorque oil hydraulic cylinder of guiding in a kind of
CN204900389U (en) * 2015-06-23 2015-12-23 张家港市金桥轻工机械有限公司 Mounting structure of pneumatic cylinder cylinder bottom
CN205977869U (en) * 2016-07-04 2017-02-22 长治清华机械厂 Composite carbon fiber hydro -cylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115107262A (en) * 2022-08-30 2022-09-27 浙江大学 Rigidity-variable metal-lining-free carbon fiber reinforced hydraulic cylinder

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Address after: No. 6 mailbox of Changzhi City, Shanxi Province, Shanxi

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