CN106523702A - Carbon fiber-resin composite material hydraulic cylinder barrel with integrated connecting structure - Google Patents
Carbon fiber-resin composite material hydraulic cylinder barrel with integrated connecting structure Download PDFInfo
- Publication number
- CN106523702A CN106523702A CN201611057304.7A CN201611057304A CN106523702A CN 106523702 A CN106523702 A CN 106523702A CN 201611057304 A CN201611057304 A CN 201611057304A CN 106523702 A CN106523702 A CN 106523702A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- cylinder barrel
- layer
- carbon fiber
- composite material
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J10/00—Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
- F16J10/02—Cylinders designed to receive moving pistons or plungers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J10/00—Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
- F16J10/02—Cylinders designed to receive moving pistons or plungers
- F16J10/04—Running faces; Liners
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a carbon fiber-resin composite material hydraulic cylinder barrel with an integrated connecting structure. The cylinder barrel comprises a head connecting piece, a hinge lug ring, a tight winding layer, a cylinder barrel outer layer, a cylinder barrel liner, a cylinder bottom and a sealing ring; the tight winding layer and the cylinder barrel outer layer are both cured by winding carbon fiber-resin composite materials at the outer peripheries of other parts; and the axial force transfer and the internal pressure bearing are mainly realized by the tight winding layer and the cylinder barrel outer layer. Compared with a traditional hydraulic cylinder barrel, the cylinder barrel has obvious weight reducing advantage; the carbon fiber-resin composite materials and metal parts are connected without by using such modes as threads, bolts, pins and clamping keys; the composite material structures are not locally damaged by machining; and the cylinder barrel can be repeatedly dismounted with other end covers and piston modules, and all structures are not damaged, so that the hydraulic cylinder is lower in total maintenance cost and difficulty compared with a bonding connection type composite material hydraulic cylinder.
Description
Technical field
The present invention relates to a kind of carbon fiber resin composite material Barrel of Hydraulic Cylinders with integrated draw bail.
Background technology
The development trend of hydraulic actuator part is lightweight and high power to weight ratio.Traditional molten metal cylinder pressure typically adopts metal
As structural material；The occasion particularly harsh to weight demands is then typically using fibre reinforced composites as bearing structure.
Carbon fiber resin composite material proportion is far below steel；Tensile strength of carbon fibers is generally greater than 3500MPa, part
Carbon fibre material tensile strength is up to more than 4500MPa.These characteristics cause carbon fibre reinforced composite manufacture hydraulic cylinder tool
There is greater advantage.
The hydraulic cylinder of the employing carbon fiber resin composite material manufacture for having occurred at present, it is often that carbon fibre resin is multiple
Condensation material applies to manufacture cylinder barrel, and the part having, such as end cap are then still manufactured using metal.And part carbon fibre resin
Composite cylinder barrel is coupled then using the connection such as traditional screw, pin, card key with end cap, and these connecting modes are needed in carbon
It is machined out on fiber resin composite material, the continuous structure of carbon fiber resin composite material is damaged；Part
Carbon fiber resin composite material cylinder barrel was coupled using the binder of high shear modulus with coupling for end cap, and this has certain degumming
Hidden danger.Meanwhile, it is at present existing some wrapped using carbon fiber entirely using the hydraulic cylinder of carbon fiber resin composite material manufacture
Cover scheme, although avoid the weakening effect of tradition connection, but but cause cylinder barrel to lose independence of structure, whole hydraulic cylinder
Once shaping is just non-dismountable, so that maintenance cost is expensive.
The content of the invention
Present invention aims to the deficiencies in the prior art, there is provided a kind of carbon fiber with integrated draw bail
Resin composite materials Barrel of Hydraulic Cylinders design, solves that prior art all-metal cylinder mass is big, and corresponding hydraulic pressure
The undesirable problem of cylinder power to weight ratio；A kind of design of the composite Barrel of Hydraulic Cylinders with absolute construction is proposed simultaneously, is solved existing
The problem for having composite hydraulic cylinder maintenance cost high；There is provided a kind of without destruction carbon fiber resin composite material structure simultaneously
Integrality is capable of achieving the scheme of connection, and the connection for solving existing composite hydraulic cylinder causes weakening to ask bearing structure
Topic.
The present invention solve the technical scheme that adopts of technical problem for：A kind of carbon fibre resin with integrated draw bail
Composite Barrel of Hydraulic Cylinders, including head connector, be hinged earrings, be closely wound layer, cylinder barrel outer layer, cylinder barrel liner, cylinder bottom,
Sealing ring；The head connector, it is hinged earrings, cylinder bottom, cylinder barrel liner, sealing ring and collectively forms cylinder barrel infrastructure component；It is described
It is, with carbon fiber as reinforcing material, based on epoxy resin, to be wrapped in outside cylinder barrel infrastructure component to be closely wound layer and cylinder barrel outer layer
Enclose solidify afterwards shaping；The head connector, it is hinged earrings, cylinder bottom, cylinder barrel liner, sealing ring and is being closely wound outside layer and cylinder barrel
Under the winding and fixation of layer, the cylinder barrel of independent, dismantled and assembled replacement is integrated into jointly.
Further, there is no tradition machinery between described head connector and cylinder barrel liner to couple：Head connector
Completed after interference fits after pre-determined bit with cylinder barrel liner, with the effect of being fastened for being closely wound layer, complete axial direction
And radial positioning；There is no tradition machinery connection between described cylinder bottom and cylinder barrel liner yet：Cylinder bottom was passed through with cylinder barrel liner
Cross after cooperation completes pre-determined bit, with the described effect of being fastened for being closely wound layer, complete to axially and radially locate.
Further, the minimum diameter for being closely wound layer is less than head connector and the maximum of cylinder bottom load segment is straight
Footpath, that is, be closely wound layer cannot pass through directly suit complete with head connector, cylinder barrel liner, cylinder bottom assembling, must be in head
Connector, cylinder barrel liner, cylinder bottom periphery are Wrapping formed；There is no any hierarchic structure in layer outer surface that be closely wound, arbitrarily
Transition portion between different-diameter section is round table-like structure；There is no any machining gone and be molded in the layer that is closely wound
Structure.Described cylinder barrel outer layer and it is closely wound between layer, is closely wound between layer and cylinder barrel liner, there is no air gap.
Further, it is described be hinged earrings not be closely wound a layer directly contact；Be hinged earrings pre-determined bit is completed with cylinder bottom
Afterwards, with the winding reinforcement effect of the cylinder barrel outer layer, complete to be hinged axially and radially locating for earrings.
Further, the minimum diameter of the cylinder barrel outer layer is less than the maximum inner diameter for being closely wound layer load segment, i.e. cylinder barrel
Outer layer cannot pass through the assembling that directly suit completed and be closely wound layer, must be closely wound the winding of layer periphery, curing molding；Institute
There is no any hierarchic structure in the inner surface and outer surface for stating cylinder barrel outer layer, the transition portion between any different-diameter section is equal
For round table-like structure；The cylinder barrel outer layer does not exist any by going to expect the machined structures of shaping.
Further, described cylinder bottom, head connector make special-shaped ditch of the depth more than 4mm using machining mode
Groove, bottom of trench effective width are more than 10mm；This groove completes to couple with head connector, cylinder bottom for being closely wound layer.
Further, it is described to be hinged earrings, depth is machined with along its circumferencial direction be more than more than or equal to 5mm, width
Equal to the groove of 20mm, this groove is the Wrapping formed location structure of cylinder barrel outer layer；The described earrings that is hinged has been internally integrated ball
Shape sliding bearing.
Further, the head connector makes internal thread, and the internal thread of head connector using machining form
Interior diameter of the path size more than cylinder barrel liner, such head connector easily (can either be not belonging to hydraulic cylinder end cover
Present configuration) connection is realized, and do not hinder the installation of piston and black box.
Further, any one place cross section of the cylinder barrel liner is concentric circles, and internal diameter, external diameter keep constant.
Further, described internal diameter of the seal ring is more than cylinder barrel liner external diameter, i.e., extended state is under assembled condition；Institute
State sealing ring mounting groove is processed on cylinder bottom and head connector, distance between the outer surface of its bottom land and cylinder bottom or head connector
Not less than 5mm.
The present invention beneficial outcomes be：
1st, it is of the invention to have the advantages that lightweight, power to weight ratio is high, resistance to corrosion is strong compared with existing molten metal cylinder pressure：Compared with
The molten metal cylinder pressure cylinder barrel at least loss of weight 60% of same size, uniform pressure grade, the overall at least loss of weight 35% of hydraulic cylinder, accordingly
Ground, in practical engineering application, this cylinder barrel can be with reducing energy consumption, raising equipment economy；Simultaneously as hydraulic cylinder itself mitigates, if
Standby rotary inertia reduces, and makes system dynamic characteristic make moderate progress.
2nd, the present invention passes through head connector, is hinged the special construction of earrings and cylinder bottom, is able to carbon fiber continuous winding
Realize, with employing compared with the connected mode that screw thread, bolt, pin, card key etc. destroy structural intergrity, with fibre reinforced
The continuity of phase is high, carbon fiber resin composite material structural integrity the characteristics of, given full play to carbon fibre resin composite wood
The mechanical advantage of material.
3rd, it is of the invention to be closely wound layer and the space structure of cylinder barrel outer layer replaces hierarchic structure using round platform transition, keep away
The air gap for exempting from stress concentration phenomenon and carbon fiber resin composite material is produced, and increased integrally-built fastness.
4th, cylinder assembly of the present invention have replaceability, i.e. head connector, cylinder bottom, cylinder barrel liner, sealing ring, outside cylinder barrel
Layer, be closely wound layer, totally seven parts are present as an independent overall structure to be hinged earrings, can not destroy the independence during maintenance
Part replacement is carried out in the case of overall structure and other parts, maintenance difficulty and cost is made compared with " the composite wood of full clad type
Feed liquid cylinder pressure " decreases.
5th, the present invention by carbon fiber resin composite material structure be close to metal parts, i.e. head connector, cylinder barrel liner,
Cylinder bottom, be hinged earrings special shape outer surface, after solidification, said structure just firmly becomes one.Carbon fibre resin is multiple
The enhancing structure of condensation material plays the effect for also functioning to couple while carrying is acted on.Carbon fiber resin composite material is not required to machine
Processing, maintains structural intergrity to greatest extent, and the bearing capacity of unit volume is higher than the composite after mechanical process
Structure.
Description of the drawings
Fig. 1 is the structural representation of present hydraulic cylinder cylinder barrel；
Fig. 2 is present hydraulic cylinder cylinder barrel stereogram；
In figure, head connector 1, cylinder barrel outer layer 2, sealing ring 3, layer 4, cylinder barrel liner 5, cylinder bottom 6, hinged ear are closely wound
Ring 7.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of carbon fiber resin composite material hydraulic pressure with integrated draw bail that the present invention is provided
Cylinder cylinder barrel is close with conventional cylinder cylinder structure, except cylinder barrel outer layer 2, is closely wound the manufacture of 4 composite material of layer, sealing ring 3
Beyond respective standard part is selected according to GB, other parts adopt steel making.Cylinder barrel of the present invention includes head connector 1, cylinder
Cylinder outer layer 2, sealing ring 3, it is closely wound layer 4, cylinder barrel liner 5, cylinder bottom 6, is hinged earrings 7；Wherein, head connector 1, sealing ring
3rd, cylinder barrel liner 5, cylinder bottom 6, be hinged earrings 7, collectively form cylinder barrel infrastructure component part；The cylinder barrel outer layer 2 and it is closely wound
Layer 4 is with the high-strength carbon fiber of tensile strength >=4200MPa as reinforcing material, based on epoxy resin, carbon fiber is twined
It is wound on what is be molded on cylinder barrel infrastructure component；The head connector 1, sealing ring 3, cylinder barrel liner 5, cylinder bottom 6, it is hinged earrings 7 and exists
Cylinder barrel outer layer 2 and it is closely wound under the integrated effect of winding of layer 4, collectively forms the cylinder assembly of independent, dismantled and assembled replacement.This
Invention cylinder assembly has replaceability, exists as an independent overall structure, can not destroy independence entirety during maintenance
Part replacement is carried out in the case of structure and other parts, maintenance difficulty and cost is made compared with " the composite wood feed liquid of full clad type
Cylinder pressure " decreases.
Depth is made with machining mode on the outside of head connector 1, cylinder bottom 6 and is more than 10mm more than 4mm, effective width
Shaped grooves, be hinged earrings 7 periphery be machined with depth more than or equal to 5mm, width more than or equal to 20mm groove,
The winding that above-mentioned groove is used to aid in cylinder barrel outer layer 2 made by carbon fiber resin composite material, be closely wound layer 4 is integrated.Tool
The integration realization mode of body is：The head connector 1 and cylinder barrel liner 5 for being provided with sealing ring 3 completes pre- after interference fits
After positioning, to be closely wound the effect of being fastened of layer 4, complete to axially and radially locate；Be provided with the cylinder bottom 6 of sealing ring 3 with
Between cylinder barrel liner 5 after interference fits complete pre-determined bit, to be closely wound the effect of being fastened of layer 4, complete axially and
Radial positioning；It is hinged after earrings 7 completes pre-determined bit with cylinder bottom 6, with the winding reinforcement effect of cylinder barrel outer layer 2, completes to be hinged earrings 7
Axially and radially locate.
Carry out refining except inner surface in 5 process of cylinder barrel liner, in addition to end-beveling, then without other machinings
Operation.After head connector 1, cylinder bottom 6, the machining of cylinder barrel liner 5 are completed, flash removed must be removed and internal debris, head is cleaned
Envelope type circle 3 is adopted at portion's connector 1 and 5 interference fits of cylinder barrel liner, at cylinder bottom 6 and 5 interference fits of cylinder barrel liner, sealing is adopted
Circle 3, it is ensured that carbon fiber can be wound after installing axiality.
Present hydraulic cylinder can be applicable to hydraulic drive with hydraulic oil or water-ethylene glycol as fluid media (medium), hydraulic control
In equipment.
It is finally noted that, described above be the present invention a kind of concrete application example, can as needed, if
Count the hydraulic cylinder of other specifications, it is clear that should also belong to the protection of the present invention with its general principles identical other application example
Scope.
Claims (10)
1. a kind of carbon fiber resin composite material Barrel of Hydraulic Cylinders with integrated draw bail, it is characterised in that including head
Portion's connector, it is hinged earrings, is closely wound layer, cylinder barrel outer layer, cylinder barrel liner, cylinder bottom, sealing ring；The head connector, hinge
Lug ring, cylinder bottom, cylinder barrel liner, sealing ring collectively form cylinder barrel infrastructure component；It is described be closely wound layer and cylinder barrel outer layer be with
Carbon fiber is, based on reinforcing material, epoxy resin, to be wrapped in the solidify afterwards shaping of cylinder barrel infrastructure component periphery；The head connection
Part, it is hinged earrings, cylinder bottom, cylinder barrel liner, sealing ring in the case where the winding and fixation of layer and cylinder barrel outer layer is closely wound, jointly
It is integrated into the cylinder barrel of independent, dismantled and assembled replacement.
2. a kind of carbon fiber resin composite material hydraulic cylinder with integrated draw bail according to claim 1
Cylinder, it is characterised in that there is no tradition machinery between described head connector and cylinder barrel liner and couple：Head connector and cylinder
After cylinder liner completes pre-determined bit after interference fits, with the effect of being fastened for being closely wound layer, axial direction and footpath are completed
To positioning；There is no tradition machinery connection between described cylinder bottom and cylinder barrel liner yet：Cylinder bottom is matched somebody with somebody by transition with cylinder barrel liner
After conjunction completes pre-determined bit, with the described effect of being fastened for being closely wound layer, complete to axially and radially locate.
3. a kind of carbon fiber resin composite material hydraulic cylinder with integrated draw bail according to claim 2
Cylinder, it is characterised in that the minimum diameter for being closely wound layer is less than the maximum gauge of head connector and cylinder bottom load segment, i.e.,
Be closely wound layer cannot pass through directly suit complete with head connector, cylinder barrel liner, cylinder bottom assembling, must couple in head
Part, cylinder barrel liner, cylinder bottom periphery are Wrapping formed；There is no any hierarchic structure in layer outer surface that be closely wound, arbitrarily different
Transition portion between diameter segment is round table-like structure；There is no any machining knot for going and being molded in the layer that is closely wound
Structure.
4. a kind of carbon fiber resin composite material hydraulic cylinder with integrated draw bail according to claim 1
Cylinder, it is characterised in that it is described be hinged earrings not be closely wound a layer directly contact；It is hinged after earrings and cylinder bottom complete pre-determined bit,
With the winding reinforcement effect of the cylinder barrel outer layer, complete to be hinged axially and radially locating for earrings.
5. a kind of carbon fiber resin composite material hydraulic cylinder with integrated draw bail according to claim 4
Cylinder, it is characterised in that the minimum diameter of the cylinder barrel outer layer is less than the maximum inner diameter for being closely wound layer load segment, i.e. cylinder barrel outer layer
The assembling that directly suit completed and be closely wound layer cannot be passed through, the winding of layer periphery, curing molding must be closely wound；The cylinder
There is no any hierarchic structure in the inner surface and outer surface of cylinder outer layer, the transition portion between any different-diameter section is circle
Mesa-shaped structure；The cylinder barrel outer layer does not exist any by going to expect the machined structures of shaping.
6. a kind of carbon fiber resin composite material hydraulic cylinder with integrated draw bail according to claim 1
Cylinder, it is characterised in that described cylinder bottom, head connector make shaped grooves of the depth more than 4mm using machining mode,
Bottom of trench effective width is more than 10mm；This groove completes to couple with head connector, cylinder bottom for being closely wound layer.
7. a kind of carbon fiber resin composite material hydraulic cylinder with integrated draw bail according to claim 1
Cylinder, it is characterised in that described is hinged earrings, is machined with depth along its circumferencial direction and is more than or equal to more than or equal to 5mm, width
The groove of 20mm, this groove are the Wrapping formed location structure of cylinder barrel outer layer；The described earrings that is hinged has been internally integrated spherical cunning
Dynamic bearing.
8. a kind of carbon fiber resin composite material hydraulic cylinder with integrated draw bail according to claim 1
Cylinder, it is characterised in that the head connector makes internal thread, and the internal thread path of head connector using machining form
Interior diameter of the size more than cylinder barrel liner.
9. a kind of carbon fiber resin composite material hydraulic cylinder with integrated draw bail according to claim 1
Cylinder, it is characterised in that any one place cross section of the cylinder barrel liner is concentric circles, and internal diameter, external diameter keep constant.
10. a kind of carbon fiber resin composite material hydraulic cylinder with integrated draw bail according to claim 1
Cylinder, it is characterised in that described internal diameter of the seal ring is more than cylinder barrel liner external diameter, i.e., be in extended state under assembled condition；It is described
Sealing ring mounting groove is processed on cylinder bottom and head connector, between the outer surface of its bottom land and cylinder bottom or head connector distance is not
Less than 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057304.7A CN106523702A (en) | 2016-11-26 | 2016-11-26 | Carbon fiber-resin composite material hydraulic cylinder barrel with integrated connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057304.7A CN106523702A (en) | 2016-11-26 | 2016-11-26 | Carbon fiber-resin composite material hydraulic cylinder barrel with integrated connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106523702A true CN106523702A (en) | 2017-03-22 |
Family
ID=58357446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611057304.7A Pending CN106523702A (en) | 2016-11-26 | 2016-11-26 | Carbon fiber-resin composite material hydraulic cylinder barrel with integrated connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106523702A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930998A (en) * | 2017-05-18 | 2017-07-07 | 武汉科技大学 | A kind of enhanced lightweight hydraulic cylinder of carbon fibre composite |
| CN108188314A (en) * | 2018-03-09 | 2018-06-22 | 重庆禀天科技有限公司 | Band ear cylinder proper forgings One-time forging Whole fiber moulding process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4867044A (en) * | 1984-11-26 | 1989-09-19 | The United States Of America As Represented By The Secretary Of The Navy | Jam resistant fluid power actuator for ballistic-damage tolerant redundant cylinder assemblies |
| US20110186211A1 (en) * | 2007-09-11 | 2011-08-04 | Parker Hannifin Gmbh | End-fittings for composite tubes, method for joining fittings to the ends of composite tubes and compsosite tubes incorporating end-fitting |
| CN202251220U (en) * | 2011-09-29 | 2012-05-30 | 郭瑞卿 | Self-adaptive oil cylinder of grate cooler |
| CN102689436A (en) * | 2012-06-14 | 2012-09-26 | 中联重科股份有限公司 | Method for manufacturing cylinder body of actuating cylinder |
| CN105587709A (en) * | 2016-03-17 | 2016-05-18 | 中联重科股份有限公司 | Hydraulic cylinder |
| CN106151161A (en) * | 2016-06-20 | 2016-11-23 | 浙江大学 | A kind of detachable hydraulic cylinder using carbon fibre composite to couple and carry |
-
2016
- 2016-11-26 CN CN201611057304.7A patent/CN106523702A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4867044A (en) * | 1984-11-26 | 1989-09-19 | The United States Of America As Represented By The Secretary Of The Navy | Jam resistant fluid power actuator for ballistic-damage tolerant redundant cylinder assemblies |
| US20110186211A1 (en) * | 2007-09-11 | 2011-08-04 | Parker Hannifin Gmbh | End-fittings for composite tubes, method for joining fittings to the ends of composite tubes and compsosite tubes incorporating end-fitting |
| CN202251220U (en) * | 2011-09-29 | 2012-05-30 | 郭瑞卿 | Self-adaptive oil cylinder of grate cooler |
| CN102689436A (en) * | 2012-06-14 | 2012-09-26 | 中联重科股份有限公司 | Method for manufacturing cylinder body of actuating cylinder |
| CN105587709A (en) * | 2016-03-17 | 2016-05-18 | 中联重科股份有限公司 | Hydraulic cylinder |
| CN106151161A (en) * | 2016-06-20 | 2016-11-23 | 浙江大学 | A kind of detachable hydraulic cylinder using carbon fibre composite to couple and carry |
Non-Patent Citations (1)
| Title |
|---|
| 胡佳英等: "《机械制图》", 31 August 2011 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930998A (en) * | 2017-05-18 | 2017-07-07 | 武汉科技大学 | A kind of enhanced lightweight hydraulic cylinder of carbon fibre composite |
| CN108188314A (en) * | 2018-03-09 | 2018-06-22 | 重庆禀天科技有限公司 | Band ear cylinder proper forgings One-time forging Whole fiber moulding process |
| CN108188314B (en) * | 2018-03-09 | 2019-05-21 | 重庆禀天科技有限公司 | Band ear cylinder proper forgings One-time forging Whole fiber moulding process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106151161B (en) | A kind of detachable hydraulic cylinder for coupling and carrying using carbon fibre composite | |
| US9555588B2 (en) | Insert for forming an end connection in a uni-axial composite material | |
| US9090035B2 (en) | Molded hollow cylinder with a thread and process for its manufacture | |
| CN101204770A (en) | Pressure structure clamp and fiber compound material combination expander technology | |
| CN103527549A (en) | Composite-material tube, manufacturing method, hydraulic cylinder barrel and piston rod | |
| CN1802285A (en) | Wind turbine blade and method of manufacturing thereof | |
| CN103185100B (en) | The frcition damper that pretightening force is adjustable | |
| CN106542123A (en) | Carrier rocket composite tank with cellular sandwich wall and its processing method | |
| CN106523702A (en) | Carbon fiber-resin composite material hydraulic cylinder barrel with integrated connecting structure | |
| CN113581361B (en) | Pressure-resistant composite structure for long-term operation in deep sea and manufacturing method thereof | |
| CN106930998A (en) | A kind of enhanced lightweight hydraulic cylinder of carbon fibre composite | |
| CN210026375U (en) | Threaded connection spare of carbon fiber material | |
| CN112228764A (en) | High-pressure hydrogen storage cylinder made of plastic lining fiber reinforced composite material | |
| CN102537534A (en) | Large-caliber high-pressure non-metallic composite pipe and manufacturing method thereof | |
| CN114413163A (en) | Intersecting spherical shell lining composite material winding pressure container | |
| CN206145427U (en) | Gas cylinder with plastic -aluminum integrated configuration inner bag | |
| CN210067238U (en) | Half grout sleeve | |
| CN115416333B (en) | Self-reinforced carbon fiber hydraulic cylinder reinforcing method | |
| CN116292495A (en) | Hydraulic cylinder light-weight piston rod with composite structure and preparation method thereof | |
| CN107327437B (en) | Composite material hydraulic cylinder body with filling framework and manufacturing method thereof | |
| CN111119749A (en) | Light oil pipe in pit for oil field | |
| CN110925276A (en) | Fiber reinforced resin matrix composite material barrel connecting structure | |
| CN207835269U (en) | One kind dividing valve circular ring shell alloy wheel hub combined accumulation energy flywheel | |
| CN202718292U (en) | Anchorage device with carbon fiber reinforced plastic rib / cable | |
| CN205977870U (en) | Piston rod hole leads to composite carbon fiber hydro -cylinder of oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170322 |