CN106015158A - Composite carbon fiber oil cylinder with oil on inner hole of piston rod - Google Patents
Composite carbon fiber oil cylinder with oil on inner hole of piston rod Download PDFInfo
- Publication number
- CN106015158A CN106015158A CN201610511327.4A CN201610511327A CN106015158A CN 106015158 A CN106015158 A CN 106015158A CN 201610511327 A CN201610511327 A CN 201610511327A CN 106015158 A CN106015158 A CN 106015158A
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- Prior art keywords
- cylinder
- piston rod
- carbon fiber
- oil
- composite carbon
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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
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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
-
- 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
- F15B15/1428—Cylinders
-
- 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
- F15B15/1447—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
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
-
- 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
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
- F15B2215/305—Constructional 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)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention provides a composite carbon fiber oil cylinder with oil on an inner hole of a piston rod, 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 arranged at connecting ends of a cylinder bottom, the cylinder cover and the cylinder barrel; the piston rod of the piston rod assembly is a hollow tube; an oil cylinder reverse cavity inlet allowing the piston rod to withdraw is formed in one end, which is close to the cylinder bottom, of the piston rod; and an oil cylinder forward cavity inlet allowing the piston rod to extend out is formed in the other end, which is close to the cylinder cover, of the piston rod. The invention is applied to the carbon fiber hydraulic cylinder.
Description
Technical field
The composite carbon fiber oil cylinder of the logical oil of piston rod endoporus, 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: the composite carbon fiber oil cylinder of the logical oil of piston rod endoporus, 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 described cylinder bottom, cylinder cap also have screw thread with the connection end of cylinder barrel；
The piston rod of described piston rod assembly is hollow pipe, is provided with the oil cylinder allowing piston rod regain anti-chamber oil-in near one end of cylinder bottom at piston rod, is provided with the oil cylinder allowing piston rod stretch out positive chamber oil-in near one end of cylinder cap at piston rod；
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 transition chamfering of 10 °～25 ° it is provided with at the screw thread at described cylinder barrel two ends.
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, evade and do hydraulic fluid port on composite carbon fiber cylinder barrel, positive and negative chamber hydraulic fluid port is arranged on hollow piston rod by the present invention, namely by the oil cylinder anti-chamber oil-in being respectively provided with the oil cylinder positive chamber oil-in that fluid is sent into the positive chamber of oil cylinder on the piston rod, fluid being sent into the anti-chamber of oil cylinder, make 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, the composite carbon fiber oil cylinder of the logical oil of piston rod endoporus, 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 described cylinder bottom 1, cylinder cap 11 also have screw thread with the connection end of cylinder barrel 5；
The piston rod of described piston rod assembly 6 is hollow pipe, is provided with the oil cylinder allowing piston rod regain anti-chamber oil-in near one end of cylinder bottom 1 at piston rod, is provided with the oil cylinder allowing piston rod stretch out positive chamber oil-in near one end of cylinder cap 11 at piston rod；
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 transition chamfering of 10 °～25 ° it is provided with at the screw thread at described cylinder barrel 5 two ends.
Embodiment two
As shown in Figure 1, the composite carbon fiber oil cylinder of the logical oil of piston rod endoporus, 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 described cylinder bottom 1, cylinder cap 11 also have screw thread with the connection end of cylinder barrel 5；
The piston rod of described piston rod assembly 6 is hollow pipe, is provided with the oil cylinder allowing piston rod regain anti-chamber oil-in near one end of cylinder bottom 1 at piston rod, is provided with the oil cylinder allowing piston rod stretch out positive chamber oil-in near one end of cylinder cap 11 at piston rod；
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 transition chamfering of 10 °～25 ° it is provided with at the screw thread at described cylinder barrel 5 two ends.
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, oil enters the positive chamber of oil cylinder by the piston rod positive chamber oil-in of piston rod assembly 6, promotes piston 4 to move, and piston rod stretches out；When oil enters the anti-chamber of oil cylinder by the anti-chamber oil-in of piston rod, piston rod is regained.Whole stretching out, regain 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. the composite carbon fiber oil cylinder of the logical oil of piston rod endoporus, 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, described cylinder bottom (1), cylinder cap (11) also have screw thread with the connection end of cylinder barrel (5)；
The piston rod of described piston rod assembly (6) is hollow pipe, is provided with the oil cylinder allowing piston rod regain anti-chamber oil-in near one end of cylinder bottom (1) at piston rod, is provided with the oil cylinder allowing piston rod stretch out positive chamber oil-in near one end of cylinder cap (11) at piston rod；
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.
The composite carbon fiber oil cylinder of the logical oil of piston rod endoporus 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.
The composite carbon fiber oil cylinder of the logical oil of piston rod endoporus 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 of the logical oil of the piston rod endoporus 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 of the logical oil of the piston rod endoporus described in claim 1-3 any one claim, it is characterised in that: it is provided with the transition chamfering of 10 °～25 ° at the screw thread at described cylinder barrel (5) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610511327.4A CN106015158A (en) | 2016-07-04 | 2016-07-04 | Composite carbon fiber oil cylinder with oil on inner hole of piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610511327.4A CN106015158A (en) | 2016-07-04 | 2016-07-04 | Composite carbon fiber oil cylinder with oil on inner hole of piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106015158A true CN106015158A (en) | 2016-10-12 |
Family
ID=57106075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610511327.4A Pending CN106015158A (en) | 2016-07-04 | 2016-07-04 | Composite carbon fiber oil cylinder with oil on inner hole of piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015158A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911480A (en) * | 2020-08-11 | 2020-11-10 | 张家港萨姆特液压技术有限公司 | Corrosion-resistant lifting oil cylinder |
| CN113550957A (en) * | 2020-04-26 | 2021-10-26 | 北京机械设备研究所 | Two-stage synchronous hydraulic cylinder |
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| 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 |
| JP2006255047A (en) * | 2005-03-16 | 2006-09-28 | Teruyuki Kurachi | Chair |
| CN102777445A (en) * | 2011-05-13 | 2012-11-14 | 上海创力集团股份有限公司 | Hydraulic oil cylinder device capable of being easily disassembled and assembled |
| 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 |
| CN205977870U (en) * | 2016-07-04 | 2017-02-22 | 长治清华机械厂 | Piston rod hole leads to composite carbon fiber hydro -cylinder of oil |
-
2016
- 2016-07-04 CN CN201610511327.4A patent/CN106015158A/en active Pending
Patent Citations (7)
| 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 |
| JP2006255047A (en) * | 2005-03-16 | 2006-09-28 | Teruyuki Kurachi | Chair |
| CN102777445A (en) * | 2011-05-13 | 2012-11-14 | 上海创力集团股份有限公司 | Hydraulic oil cylinder device capable of being easily disassembled and assembled |
| 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 |
| CN205977870U (en) * | 2016-07-04 | 2017-02-22 | 长治清华机械厂 | Piston rod hole leads to composite carbon fiber hydro -cylinder of oil |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550957A (en) * | 2020-04-26 | 2021-10-26 | 北京机械设备研究所 | Two-stage synchronous hydraulic cylinder |
| CN113550957B (en) * | 2020-04-26 | 2024-02-06 | 北京机械设备研究所 | Two-stage synchronous hydraulic cylinder |
| CN111911480A (en) * | 2020-08-11 | 2020-11-10 | 张家港萨姆特液压技术有限公司 | Corrosion-resistant lifting oil cylinder |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |
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| RJ01 | Rejection of invention patent application after publication |