CN205977869U - Composite carbon fiber hydro -cylinder - Google Patents
Composite carbon fiber hydro -cylinder Download PDFInfo
- Publication number
- CN205977869U CN205977869U CN201620685428.9U CN201620685428U CN205977869U CN 205977869 U CN205977869 U CN 205977869U CN 201620685428 U CN201620685428 U CN 201620685428U CN 205977869 U CN205977869 U CN 205977869U
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- China
- Prior art keywords
- cylinder
- carbon fiber
- piston rod
- cap
- oil
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- Actuator (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model provides a composite carbon fiber hydro -cylinder, belongs to hydraulic cylinder technical field, and the technical problem that solve provides that a cylinder hole precision, geometric tolerances and smooth finish accord with the designing requirement and at high -pressure state job stabilization's carbon fiber hydro -cylinder, the technical scheme who adopts: the cylinder is formed by composite carbon fiber and nano -material winding to all be equipped with the screw thread that the winding of composite carbon fiber and nano -material formed at the both ends of cylinder cap, it is threaded that processing is also opened to the link of cylinder bottom, cylinder cap and cylinder, piston rod assembly's piston rod is the hollow tube, is equipped with the anti - chamber of hydro -cylinder oil inlet at the piston rod, the cylinder bottom is equipped with the positive chamber of hydro -cylinder oil inlet, the utility model discloses be applied to the carbon fiber hydro -cylinder.
Description
Technical field
A kind of compound 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 compound carbon fiber oil cylinder advantage the most basic is greatly
Alleviate the weight of part, and enhance its load performance.Original technology is the carbon fiber cylinder barrel of no liner, fine in composite carbon
During dimension is wound around, after the control of inner hole of cylinder deflection and winding, hole size precision and roughness do not reach design and want
Ask, high pressure can not be born simultaneously;After carbon fiber inner hole of cylinder increases metal inner lining, when oil cylinder is in high pressure conditions, in metal
Lining is inconsistent with the coefficient of expansion of non-metal carbon fiber cylinder barrel, is easily caused metal inner lining and peels off with carbon fiber cylinder barrel, so system
Make that to meet the compound carbon fiber cylinder barrel that design requirement and high pressure use be a difficult problem.
Compound carbon fiber advantage is lightweight, non magnetic, do not corrode and not autgmentability, and compound carbon fiber shortcoming is welding
Property, bonding strength weak, how to evade hydraulic fluid port be wound around, connecting portion be welded into carbon fiber oil cylinder design another difficult problem.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of inner hole of cylinder precision, form and position tolerance and fineness symbol
Close design requirement and the carbon fiber oil cylinder in high pressure conditions working stability.
For solving above-mentioned technical problem, the technical scheme that this utility model is adopted:A kind of compound carbon fiber oil cylinder, including
Cylinder bottom, piston, piston rod assembly, the no cylinder barrel of metal inner lining and cylinder cap, it is quiet that described cylinder bottom and cylinder barrel junction are provided with cylinder bottom
Sealing, described cylinder cap is disposed with dust ring, guidance tape, cylinder cap static seal and dust ring, guidance tape setting from outside to inside
Between piston rod assembly and cylinder cap, cylinder cap static seal is arranged between cylinder cap and cylinder barrel, in described piston rod assembly and cylinder cap
Between be additionally provided with piston rod packing circle, described piston is provided with piston packing;
Described cylinder barrel is entwined by compound carbon fiber and nano material, and it is fine to be equipped with composite carbon at the two ends of cylinder cap
Dimension and the screw thread that is entwined of nano material, 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 in piston rod, described cylinder bottom sets
There is oil cylinder positive chamber oil-in;
Described cylinder cap, piston, cylinder bottom making material are aluminium, and the piston rod making material of described piston rod assembly is to close
Golden structural steel.
Described cylinder barrel completes the winding of compound carbon fiber and nano material on mould.
Described cylinder barrel be wound around by compound carbon fiber and nano material after again machine add into.
Described cylinder barrel is formed with multiple angles cross winding by compound carbon fiber and nano material, and winding angle is 5 °
~90 °.
The screw thread at described cylinder barrel two ends is provided with 10 °~25 ° of transition chamfering.
Compared to the prior art this utility model has the advantages that.
First, this utility model makes oil cylinder weight loss effect substantially using the compound carbon fiber cylinder barrel of no metal inner lining, can
Reach 45%-70%, and cylinder barrel be entwined using compound carbon fiber and nano material, increased the consistency of cylinder barrel so that
Cylinder barrel intensity is higher, cylinder barrel is more wear-resisting, antiseep, and the cylinder barrel of this utility model no metal inner lining is also not in plus gold simultaneously
Belong to the cylinder barrel problem that metal is inconsistent with the nonmetallic coefficient of expansion after by high pressure, deformation is inconsistent of liner, by cylinder
Cylinder two ends are wound around screw thread so that the intensity after cylinder barrel is threadeded with cylinder bottom, cylinder cap is high, solve compound carbon fiber bonding strength
Weak, welding shortcoming;
For solving the problems, such as the design difficulty of cylinder barrel winding hydraulic fluid port and connecting portion, oil-in is designed and exists by this utility model
On hollow piston rod and cylinder bottom, by piston rod setting by fluid send into the anti-chamber of oil cylinder oil cylinder anti-chamber oil-in,
Fluid is sent into the oil cylinder positive chamber oil-in in the positive chamber of oil cylinder so that cylinder bottom, piston rod can be realized to oil cylinder fuel feeding by cylinder bottom setting
The bidirectional-movement that piston rod stretches out, withdraws, thus solves the design challenges that cylinder barrel is wound around hydraulic fluid port and connecting portion.
2nd, cylinder barrel of the present utility model is completely wound work on particular manufacturing craft, due to the precision of mould, form and position tolerance with
And fineness is guaranteed, therefore it is wound around the inner hole of cylinder precision after the demoulding, form and position tolerance and fineness also can meet and sets
Meter requires, good airproof performance in work process, ne-leakage phenomenon.
3rd, when cylinder barrel of the present utility model and cylinder barrel screw thread are wound around using compound carbon fiber, nano material, using difference
Angular cross is wound around to guarantee to bear the design requirement of different directions power, good airproof performance in work process, ne-leakage phenomenon.
Brief description
Fig. 1 is schematic diagram of the present utility model.
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 group
Part, 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.
Specific embodiment
Embodiment one
As shown in figure 1, a kind of compound carbon fiber oil cylinder, including cylinder bottom 1, piston 4, piston rod assembly 6, no metal inner lining
Cylinder barrel 5 and cylinder cap 11, described cylinder bottom 1 is provided with cylinder bottom static seal 2 with cylinder barrel 5 junction, and described cylinder cap 11 is from outside to inside successively
It is provided with dust ring 10, guidance tape 8, cylinder cap static seal 7 and dust ring 10, guidance tape 8 is arranged on piston rod assembly 6 and cylinder cap
Between 11, cylinder cap static seal 7 be arranged between cylinder cap 11 and cylinder barrel 5, also set up between described piston rod assembly 6 and cylinder cap 11
There is piston rod packing circle 9, described piston 4 is provided with piston packing 3;
Described cylinder barrel 5 is entwined by compound carbon fiber and nano material, and is equipped with compound at the two ends of cylinder cap 11
The screw thread that carbon fiber and nano material are 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, described cylinder bottom 1 in piston rod
It is provided with oil cylinder positive chamber oil-in;
Described cylinder cap 11, piston 4, cylinder bottom 1 making material are aluminium, and the piston rod of described piston rod assembly 6 makes material
Expect for structural alloy steel.
Described cylinder barrel 5 be wound around by compound carbon fiber and nano material after again machine add into.
Described cylinder barrel 5 is formed with multiple angles cross winding by compound carbon fiber and nano material, and winding angle is
5 °~90 °.
The screw thread at described cylinder barrel 5 two ends is provided with 10 °~25 ° of transition chamfering.
Embodiment two
As shown in figure 1, a kind of compound carbon fiber oil cylinder, including cylinder bottom 1, piston 4, piston rod assembly 6, no metal inner lining
Cylinder barrel 5 and cylinder cap 11, described cylinder bottom 1 is provided with cylinder bottom static seal 2 with cylinder barrel 5 junction, and described cylinder cap 11 is from outside to inside successively
It is provided with dust ring 10, guidance tape 8, cylinder cap static seal 7 and dust ring 10, guidance tape 8 is arranged on piston rod assembly 6 and cylinder cap
Between 11, cylinder cap static seal 7 be arranged between cylinder cap 11 and cylinder barrel 5, also set up between described piston rod assembly 6 and cylinder cap 11
There is piston rod packing circle 9, described piston 4 is provided with piston packing 3;
Described cylinder barrel 5 is entwined by compound carbon fiber and nano material, and is equipped with compound at the two ends of cylinder cap 11
The screw thread that carbon fiber and nano material are 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, described cylinder bottom 1 in piston rod
It is provided with oil cylinder positive chamber oil-in;
Described cylinder cap 11, piston 4, cylinder bottom 1 making material are aluminium, and the piston rod of described piston rod assembly 6 makes material
Expect for structural alloy steel.
Described cylinder barrel 5 completes the winding of compound carbon fiber and nano material on mould.
Described cylinder barrel 5 is formed with multiple angles cross winding by compound carbon fiber and nano material, and winding angle is
5 °~90 °.
The screw thread at described cylinder barrel 5 two ends is provided with 10 °~25 ° of transition chamfering.
Cylinder barrel 5 of the present utility model both can be using the production method that after being first wound around, machine adds again, it would however also be possible to employ in mould
On be completely wound the production method of the demoulding again.
When cylinder barrel 5 of the present utility model is using the production method that after being wound around, machine adds again, its installation step is as follows:
First, piston rod assembly 6 assembling is integrated;
2nd, by 11 sets of cylinder cap on the piston rod, piston 4 is threadeded with piston rod assembly 6;
3rd, cylinder bottom 1 is threadeded with cylinder barrel 5;
4th, each part connecting is loaded cylinder barrel 5 inner chamber, cylinder cap 11 is tightened on cylinder barrel 5;
5th, test stretching out, withdrawing whether flexible, reliability of piston rod, have or not internal and outernal leakage phenomenon.
When cylinder barrel 5 of the present utility model adopts the production method that mould is wound around, its installation step is as follows:
First, the internal diameter size according to cylinder barrel 5 makes particular manufacturing craft;
2nd, cylinder barrel 5 is wound on particular manufacturing craft, the demoulding after meeting the requirements;
3rd, detail sanding process is carried out to the cylinder barrel 5 of the demoulding;
4th, piston rod assembly 6 assembling is integrated;
5th, by 11 sets of cylinder cap on the piston rod, piston 4 is threadeded with piston rod assembly 6;
6th, cylinder bottom 1 is threadeded with cylinder barrel 5;
7th, each part connecting is loaded cylinder barrel 5 inner chamber, cylinder cap 11 is tightened on cylinder barrel 5;
8th, test stretching out, withdrawing whether flexible, reliability of piston rod, have or not internal and outernal leakage phenomenon.
After described cylinder barrel 5 completes, fineness should reach 0.2-0.4, so form oil film in cylinder barrel 5 inwall, no exosmose
Leakage phenomenon;Cylinder barrel 5 can bear the test pressure of the operating pressure of 25MPa, 31.5MPa simultaneously, and cylinder barrel 5 intensity is high.
During utility model works, when oil enters the positive chamber of oil cylinder by the positive chamber oil-in of cylinder bottom 1, piston 4 is promoted to transport
Dynamic, 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, piston rod withdraws.Whole
The stretching out of individual piston rod, withdraw process flexible, steadily, the screw strength of cylinder barrel 5 is reliable and stable.
Design of the present utility model is related to the every field of Aeronautics and Astronautics, engineering machinery, can be applicable to industrial trade, machine
The multiple fields such as tool equipment, show business, testing equipment.
Above-described embodiment is unrestricted to the explanation of this utility model structure, without departing from this utility model principle premise
Lower made deformation is also within protection domain of the present utility model.
Claims (5)
1. a kind of compound carbon fiber oil cylinder it is characterised in that:Including cylinder bottom(1), piston(4), piston rod assembly(6), no metal
The cylinder barrel of liner(5)And cylinder cap(11), described cylinder bottom(1)With cylinder barrel(5)Junction is provided with cylinder bottom static seal(2), described cylinder
Lid(11)It is disposed with dust ring from outside to inside(10), guidance tape(8), cylinder cap static seal(7)And dust ring(10), guiding
Band(8)It is arranged on piston rod assembly(6)With cylinder cap(11)Between, cylinder cap static seal(7)It is arranged on cylinder cap(11)With cylinder barrel(5)It
Between, in described piston rod assembly(6)With cylinder cap(11)Between be additionally provided with piston rod packing circle(9), described piston(4)It is provided with
Piston packing(3);
Described cylinder barrel(5)It is entwined by compound carbon fiber and nano material, and in cylinder cap(11)Two ends be equipped with compound
The screw thread that carbon fiber and nano material are entwined, described cylinder bottom(1), cylinder cap(11)With cylinder barrel(5)Connection end also open processing
There is screw thread;
Described piston rod assembly(6)Piston rod be hollow pipe, be provided with oil cylinder anti-chamber oil-in, described cylinder bottom in piston rod(1)
It is provided with oil cylinder positive chamber oil-in;
Described cylinder cap(11), piston(4), cylinder bottom(1)Making material is aluminium, described piston rod assembly(6)Piston rod system
Making material is structural alloy steel.
2. a kind of compound carbon fiber oil cylinder according to claim 1 it is characterised in that:Described cylinder barrel(5)Complete on mould
Become the winding of compound carbon fiber and nano material.
3. a kind of compound carbon fiber oil cylinder according to claim 1 it is characterised in that:Described cylinder barrel(5)Fine by composite carbon
After dimension and nano material winding, machine adds into again.
4. a kind of compound carbon fiber oil cylinder according to claim 1-3 any one claim it is characterised in that:Described cylinder
Cylinder(5)Formed with multiple angles cross winding by compound carbon fiber and nano material, and winding angle is 5 °~90 °.
5. a kind of compound carbon fiber oil cylinder according to claim 1-3 any one claim it is characterised in that:Described cylinder
Cylinder(5)The screw thread at two ends is provided with 10 °~25 ° of transition chamfering.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620685428.9U CN205977869U (en) | 2016-07-04 | 2016-07-04 | Composite carbon fiber hydro -cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620685428.9U CN205977869U (en) | 2016-07-04 | 2016-07-04 | Composite carbon fiber hydro -cylinder |
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Publication Number | Publication Date |
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CN205977869U true CN205977869U (en) | 2017-02-22 |
Family
ID=58023216
Family Applications (1)
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CN201620685428.9U Expired - Fee Related CN205977869U (en) | 2016-07-04 | 2016-07-04 | Composite carbon fiber hydro -cylinder |
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CN (1) | CN205977869U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106015157A (en) * | 2016-07-04 | 2016-10-12 | 长治清华机械厂 | Composite carbon fiber oil cylinder |
-
2016
- 2016-07-04 CN CN201620685428.9U patent/CN205977869U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106015157A (en) * | 2016-07-04 | 2016-10-12 | 长治清华机械厂 | Composite carbon fiber oil cylinder |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20190704 |
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CF01 | Termination of patent right due to non-payment of annual fee |