CN206668656U - A kind of contracting set type carbon fiber high-pressure hydraulic cylinder - Google Patents
A kind of contracting set type carbon fiber high-pressure hydraulic cylinder Download PDFInfo
- Publication number
- CN206668656U CN206668656U CN201720252507.5U CN201720252507U CN206668656U CN 206668656 U CN206668656 U CN 206668656U CN 201720252507 U CN201720252507 U CN 201720252507U CN 206668656 U CN206668656 U CN 206668656U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- cylinder barrel
- piston
- carbon fiber
- 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.)
- Expired - Fee Related
Links
Landscapes
- Actuator (AREA)
Abstract
The utility model provides a kind of contracting set type carbon fiber high-pressure hydraulic cylinder, including cylinder cap, cylinder body, cylinder bottom, piston rod, piston, the cylinder body includes metal outer cylinder barrel and carbon fiber internal layer cylinder barrel, it is interference fitted between the outer layer cylinder barrel and internal layer cylinder barrel, the inwall of the internal layer cylinder barrel is provided with scuff-resistant coating, the scuff-resistant coating is metal coating, the cylinder cap and cylinder bottom are connected with outer layer cylinder barrel flange arrangement, the top of the piston rod is provided with earrings, the end of piston rod is provided with piston, piston both sides are respectively provided with a cushion collar, the piston rod lowermost end is fixed with lock sleeve.The utility model weight, intensity, rigidity, fatigue resistance it is more superior than existing metal cylinder barrel a lot, solves the light-weighted problem of some engineering machinery, solve due to carbon fibre material processing characteristics extreme difference, it is impossible to which the problem of being reliably connected is realized by general mechanical connection manner and metal.
Description
Technical field
A kind of hydraulic cylinder is the utility model is related to, particularly a kind of contracting set type carbon fiber high-pressure hydraulic cylinder.
Background technology
Because in conventional high-tension project hydropress tool equipment, mainly using high strength alloy steel, and equipment volume is past
It is past bigger than normal, cause equipment heavy and big, and some are to weight and the higher occasion of space requirement, are just difficult to meet.At present, develop
Carbon fibre composite, for its proportion less than steel 1/4, tensile strength is the 7~10 of general steel in more than 3500MPa
Times, tensile modulus of elasticity is 230~430GPa, equally higher than steel.Due to the superior mechanical property of carbon fibre material, it should
For in engineering hydraulic test so that equipment lightweight, high intensity are possibly realized.In Important Project equipment, loss of weight meaning
Reduction energy consumption, manufacturing technology requirement and cost is reduced, reduces labour cost, improve equipment economy.Simultaneously in Aero-Space,
The fields such as military affairs, high intensity, apparatus assembly in light weight are even more to whether there is appreciable application prospect.
However, for current technology, can not also produce the hydraulic cylinder of full carbon fibre materials, especially carbon fiber with
The connectivity problem of metal.Lightweight, high intensity hydraulic test how are obtained, energy consumption, reduction labour cost are reduced so as to reach
And the purpose of manufacturing cost, it is to have the problem of to be solved.
Utility model content
Technical problem to be solved in the utility model is：Due to molten metal cylinder pressure in traditional high-pressure and hydraulic, often weigh
Amount and sufficiently bulky, and its rigidity, less desirable in terms of intensity in actual applications.Carbon fibre material is introduced, using it
Superior mechanical property：Proportion is small, intensity superelevation, good rigidity etc., it is possible to achieve the strong requirement of in light weight-bearing capacity, with full
The demand for development in sufficient high-pressure and hydraulic field.A kind of contracting set type bilayer cylinder structure is proposed simultaneously, is realized using flange arrangement cylinder
The connection of lid and cylinder bottom and outer layer cylinder barrel, is solved due to carbon fibre material poor processability, and asking for difficulty is connected with metal material
Topic.
The technical solution adopted in the utility model is：A kind of contracting set type carbon fiber high-pressure hydraulic cylinder, including cylinder cap, cylinder body,
Cylinder bottom, piston rod, piston, the cylinder body include metal outer cylinder barrel and carbon fiber internal layer cylinder barrel, the outer layer cylinder barrel and internal layer
Be interference fitted between cylinder barrel, the inwall of the internal layer cylinder barrel is provided with scuff-resistant coating, and the scuff-resistant coating is metal coating, the cylinder cap and
Cylinder bottom is connected with outer layer cylinder barrel flange arrangement, and the top of the piston rod is provided with earrings, and the end of piston rod is provided with piston, piston
Both sides are respectively provided with a cushion collar, and the piston rod lowermost end is provided with lock sleeve.
Further, four grooves are provided with the contact surface of the cylinder cap and piston rod vertically, are sequentially placed in groove
Dust ring, the first wear ring, the first OD combination sealings, the second wear ring, they with plunger rod contacts, seal respectively.
Further, the contact surface of the cylinder cap and internal layer cylinder barrel is provided with seal groove, and O is housed side by side in the seal groove
Type circle and back-up ring, they contact with the metal coating of internal layer inner wall of cylinder, sealed.
Further, the piston with being provided with three piston channels, piston channel vertically on the contact surface of internal layer cylinder barrel
The 3rd wear ring, the 2nd OD combination sealings, the 4th wear ring are inside sequentially placed, they connect with the metal coating of inner wall of cylinder respectively
Touch, seal.
Further, the flange arrangement of the cylinder cap and cylinder bottom and outer layer cylinder barrel is fixed by interior hexagonal trip bolt connects
Connect.
Further, the cylinder cap on cylinder bottom with being provided with hydraulic fluid port.
Further, the material of the outer layer cylinder barrel and piston is 45# steel, and the material of the cylinder cap and cylinder bottom is 40Cr.
The utility model has the following advantages compared with prior art：
(1) by being designed to double-deck cylinder structure, because internal layer cylinder body is process using carbon fibre material, its proportion is not
To steel 1/4, tensile strength is 7~10 times of general steel in more than 3500MPa, tensile modulus of elasticity is 230~
430GPa.Internal layer cylinder barrel overall weight is light, can subtract 50% more than, solve the light-weighted problem of some engineering machinery.Its superelevation
7~10 times of tensile strength common metal material, can solve cylinder barrel very well in high pressure or super-high pressure work state, make internal layer
Shear stress suffered by cylinder barrel is too high and exceedes common metal material yield strength, the problem of so as to damage cylinder barrel.Carbon fibre materials
Good decay resistance so that it is adapted in severe working environment, especially hydraulic drive, hydraulic-pressure control apparatus
In.Thus weight, intensity, rigidity, fatigue resistance it is more superior than existing metal cylinder barrel a lot, it is before high-voltage applications field
Jing Hao.
(2) by being designed to that double-deck cylinder structure, especially outer layer are metal cylinder barrel, by flange make cylinder cap and cylinder bottom with
The outer layer cylinder barrel of cylinder body is realized and is reliably connected.Effectively prevent, it is existing by adhesive cylinder cap and cylinder bottom and cylinder barrel it is cementing
The cement structure of one, this cement structure, on the one hand under HTHP working condition, its reliability connected is needed checking
Examine；On the other hand due to being that cement structure makes this hydraulic cylinder maintenance maintenance inconvenience either to repair.Solve due to carbon
Fibrous material processing characteristics extreme difference, it is impossible to real with metal by general mechanical connection manner (flange connects, threaded connection) etc.
The problem of being now reliably connected.
Brief description of the drawings
Fig. 1 is the structural representation of contracting set type carbon fiber high-pressure hydraulic cylinder of the present utility model.
In figure：1 earrings, 2 cylinder caps, 3 outer layer cylinder barrels, 4 internal layer cylinder barrels, 5 metal coatings, 6 cylinder bottoms, 7 piston rods, 8 pistons, 9
Cushion collar, 10 lock sleeves, hexagonal trip bolt, 12 dust rings, 13 first wear rings, 14 the oneth OD combination sealings, 15O types in 11
Circle, 16 back-up rings, 17 hydraulic fluid ports, 18 second wear rings, 19 the 3rd wear rings, 20 the 2nd OD combination sealings, 21 the 4th wear rings.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Such as Fig. 1, one kind contracting set type carbon fiber high-pressure hydraulic cylinder provided by the utility model, including cylinder cap 2, cylinder body, cylinder bottom
6th, piston rod 7, piston 8, it is characterised in that：The cylinder body includes metal outer cylinder barrel 3 and carbon fiber internal layer cylinder barrel 4, described outer
It is interference fitted between layer cylinder barrel 3 and internal layer cylinder barrel 4, the inwall of the internal layer cylinder barrel 4 is provided with scuff-resistant coating, and the scuff-resistant coating is gold
Belong to coating 5, the cylinder cap 2 and cylinder bottom 6 are connected with the flange arrangement of outer layer cylinder barrel 3, and the top of the piston rod 7 is provided with earrings 1, living
The end of stopper rod 7 is provided with piston 8, and the both sides of piston 8 are respectively provided with a cushion collar 9, and the lowermost end of piston rod 7 is provided with locking
Set 10, complete the axial restraint of piston 8 and piston rod 7.
Internal layer cylinder barrel cross with outer layer cylinder barrel over-surplus fit structure, refer to that internal layer cylinder barrel 4 is carbon fibre materials, outer layer cylinder barrel 3
For 45# steel, the magnitude of interference is specifically pre-set, by being heated uniformly to design temperature to the inwall of outer layer cylinder barrel 3, makes outer layer cylinder barrel
3 inwalls are expanded into the magnitude of interference of setting, and then interior outer cylinder 4 carries out hot assembly.This magnitude of interference depends on specific operating pressure,
The factors such as the interior wall thickness of outer cylinder 4, and heating-up temperature is relevant with the magnitude of interference, the material of outer layer cylinder barrel 3.
Wherein, internal layer cylinder barrel 4 is carbon fibre materials, and outer layer cylinder barrel 3 is 45# steel；Its cylinder cap 2, cylinder bottom 6 are 40Cr；It is lived
Plug 8 is 45# steel；Its piston rod 7 is using the processing of 45# plating hard chromium on surface.
Carbon fiber typically uses dry method winding shaping process, refers to pre- treated tape, heated on wrapping machine to soften to viscosity flow
State is simultaneously wound on core, the then cured, demoulding, finally obtains product.Using 30-45 ° of winding method, solidification temperature >=
100 °, curing degree more than 90%, to ensure the workmanship of internal layer cylinder barrel 4.
The inwall surface treated of internal layer cylinder barrel 4 obtains metal coating 5, and it is specifically first to carry out roughening treatment to superficial layer,
Secondly sprayed metal layer, finally carry out hard chrome plating processing in layer on surface of metal and be processed by shot blasting.Wanted when to surface roughness
When asking very high, it is contemplated that carry out ceramic coating processing in metal surface.The inwall of surface treated internal layer cylinder barrel 4, its surface
Roughness can reach Ra 0.2~0.4, to reduce the friction of piston seal, abrasion, ensure sealing property, improving seal makes
Use the life-span.
The cylinder cap 2 is sequentially placed dust ring with being provided with four grooves vertically on the contact surface of piston rod 7 in groove
12nd, the first wear ring 13, the first OD combination sealings 14, the second wear ring 18, they are contacted with piston rod 7 respectively, are played sealing and are made
With.
The contact surface of the cylinder cap 2 and internal layer cylinder barrel 4 is provided with seal groove, and O types circle 15 is housed side by side in the seal groove
With back-up ring 16, they contact with the metal coating 5 of the inwall of internal layer cylinder barrel 4, sealed.
The piston 8 is put successively with being provided with three piston channels vertically on the contact surface of internal layer cylinder barrel 4 in piston channel
The 3rd wear ring 19, the 2nd OD combination sealings 20, the 4th wear ring 21 are put, they connect with the metal coating 5 of inner wall of cylinder 4 respectively
Touch, seal.
The cylinder cap 2 and cylinder bottom 1 are fixedly connected with the flange arrangement of outer layer cylinder barrel 3 by interior hexagonal trip bolt 11, point
10 fixed bits are not uniformly distributed on outer layer cylinder barrel 3, are reliably connected with reaching.
The cylinder cap 2 on cylinder bottom 6 with being provided with hydraulic fluid port 17, in order to which hydraulic system connects.
The scope of protection of the utility model is not limited to the above embodiments, it is clear that those skilled in the art can be right
The utility model carries out various changes and deformation without departing from the scope of the utility model and spirit.If these changes and deformation
Belong in the range of the utility model claims and its equivalent technologies, then it is of the present utility model intention also comprising these change and
Including deformation.
Claims (7)
1. a kind of contracting set type carbon fiber high-pressure hydraulic cylinder, including cylinder cap (2), cylinder body, cylinder bottom (6), piston rod (7), piston (8),
It is characterized in that：The cylinder body includes metal outer cylinder barrel (3) and carbon fiber internal layer cylinder barrel (4), the outer layer cylinder barrel (3) and interior
It is interference fitted between layer cylinder barrel (4), the inwall of the internal layer cylinder barrel (4) is provided with scuff-resistant coating, and the scuff-resistant coating is metal coating
(5), the cylinder cap (2) and cylinder bottom (6) are connected with outer layer cylinder barrel (3) flange arrangement, and the top of the piston rod (7) is provided with earrings
(1), the end of piston rod (7) is provided with piston (8), and piston (8) both sides are respectively provided with a cushion collar (9), the piston rod (7)
Lowermost end is provided with lock sleeve (10).
2. one kind contracting set type carbon fiber high-pressure hydraulic cylinder as claimed in claim 1, it is characterised in that：The cylinder cap (2) is with living
Four grooves are provided with the contact surface of stopper rod (7) vertically, be sequentially placed in groove dust ring (12), the first wear ring (13),
First OD combination sealings (14), the second wear ring (18).
3. one kind contracting set type carbon fiber high-pressure hydraulic cylinder as claimed in claim 1 or 2, it is characterised in that：The cylinder cap (2) with
The contact surface of internal layer cylinder barrel (4) is provided with seal groove, and O-ring (15) and back-up ring (16) are housed side by side in the seal groove.
4. one kind contracting set type carbon fiber high-pressure hydraulic cylinder as claimed in claim 3, it is characterised in that：The piston (8) with it is interior
Three piston channels are provided with vertically on the contact surface of layer cylinder barrel (4), and the 3rd wear ring (19), the are sequentially placed in piston channel
Two OD combination sealings (20), the 4th wear ring (21).
5. one kind contracting set type carbon fiber high-pressure hydraulic cylinder as claimed in claim 4, it is characterised in that：The cylinder cap (2) and cylinder
Bottom (6) is fixedly connected with the flange arrangement of outer layer cylinder barrel (3) by interior hexagonal trip bolt (11).
6. one kind contracting set type carbon fiber high-pressure hydraulic cylinder as claimed in claim 5, it is characterised in that：The cylinder cap (2) and cylinder
Hydraulic fluid port (17) is provided with bottom (6).
7. one kind contracting set type carbon fiber high-pressure hydraulic cylinder as claimed in claim 1, it is characterised in that：The outer layer cylinder barrel (3)
Material with piston (8) is 45# steel, and the material of the cylinder cap (2) and cylinder bottom (6) is 40Cr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720252507.5U CN206668656U (en) | 2017-03-15 | 2017-03-15 | A kind of contracting set type carbon fiber high-pressure hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720252507.5U CN206668656U (en) | 2017-03-15 | 2017-03-15 | A kind of contracting set type carbon fiber high-pressure hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206668656U true CN206668656U (en) | 2017-11-24 |
Family
ID=60376524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720252507.5U Expired - Fee Related CN206668656U (en) | 2017-03-15 | 2017-03-15 | A kind of contracting set type carbon fiber high-pressure hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206668656U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891544A (en) * | 2017-04-28 | 2017-06-27 | 武汉科技大学 | A kind of hydraulic cylinder of compound carbon fibers cylinder barrel |
| CN108071625A (en) * | 2017-12-13 | 2018-05-25 | 马鞍山市荣亿密封材料有限责任公司 | A kind of ultrahigh pressure cylinder sealing structure |
| CN114008333A (en) * | 2019-03-09 | 2022-02-01 | 高满锴 | High-pressure cylinder |
-
2017
- 2017-03-15 CN CN201720252507.5U patent/CN206668656U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891544A (en) * | 2017-04-28 | 2017-06-27 | 武汉科技大学 | A kind of hydraulic cylinder of compound carbon fibers cylinder barrel |
| CN108071625A (en) * | 2017-12-13 | 2018-05-25 | 马鞍山市荣亿密封材料有限责任公司 | A kind of ultrahigh pressure cylinder sealing structure |
| CN114008333A (en) * | 2019-03-09 | 2022-02-01 | 高满锴 | High-pressure cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206668656U (en) | A kind of contracting set type carbon fiber high-pressure hydraulic cylinder | |
| US7867589B2 (en) | Hybrid cryogenic tank construction and method of manufacture therefor | |
| CN108730669A (en) | A kind of intelligent plugging device for submarine pipeline reparation | |
| RU2310120C1 (en) | Method for manufacturing metal-plastic high pressure tank and a metal-plastic tank | |
| CN106151161B (en) | A kind of detachable hydraulic cylinder for coupling and carrying using carbon fibre composite | |
| CN103727092A (en) | Hydraulic cylinder of carbon fiber composite material | |
| Li et al. | Design and experiment on light weight hydraulic cylinder made of carbon fiber reinforced polymer | |
| CN106930998A (en) | A kind of enhanced lightweight hydraulic cylinder of carbon fibre composite | |
| CN103240324A (en) | Liquid-expansion forming system for bimetal composite pipe | |
| CN113007461B (en) | High-sealing composite material high-pressure pipeline and processing method thereof | |
| Marek | Selected design issues in hydraulic cylinder made of composite materials | |
| Boon et al. | Effects of mechanical surface treatment on bonding between aluminum and carbon/epoxy composites | |
| CN107143302A (en) | A kind of repeatable gradually deblocking packer utilized | |
| CN106891544A (en) | A kind of hydraulic cylinder of compound carbon fibers cylinder barrel | |
| CN104074830B (en) | A kind of novel hydraulic cylinder | |
| CN106015157B (en) | Compound carbon fiber oil cylinder | |
| CN111364686A (en) | Steel bar connecting sleeve joint and implementation method | |
| CN206845138U (en) | A kind of repeatable gradually deblocking packer utilized | |
| CN106015158A (en) | Composite carbon fiber oil cylinder with oil on inner hole of piston rod | |
| CN106523702A (en) | Carbon fiber-resin composite material hydraulic cylinder barrel with integrated connecting structure | |
| CN209908751U (en) | High-strength ceramic plunger | |
| CN220204665U (en) | Double main lip combined oil seal | |
| CN1995690B (en) | Fiber composite reinforced coupler | |
| CN217845898U (en) | Solid rocket engine combined material connects hydrostatic test mould | |
| CN203330215U (en) | Bimetal composite pipe liquid-expansion forming mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 Termination date: 20190315 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |