CN103591078A - Lightweight high-strength carbon fiber composite hydrocylinder - Google Patents
Lightweight high-strength carbon fiber composite hydrocylinder Download PDFInfo
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- CN103591078A CN103591078A CN201310494107.1A CN201310494107A CN103591078A CN 103591078 A CN103591078 A CN 103591078A CN 201310494107 A CN201310494107 A CN 201310494107A CN 103591078 A CN103591078 A CN 103591078A
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Abstract
The invention provides a lightweight high-strength carbon fiber composite hydrocylinder. The hydrocylinder comprises metal heads, a hydrocylinder piston, a metal liner formed by a hydrocylinder barrel, fixing parts, metal lantern rings and sealing rings, the metal liner is externally and integrally coated with a reinforcing layer formed by a carbon fiber composite, the metal lantern rings are sleeved outside the reinforcing layer which is formed by taking thermosetting resin as a matrix and carbon fiber as a reinforcement, and the thermosetting resin matrix accounts for 23-40% of the reinforcing layer by weight. Compared with all-metal hydrocylinders in the prior art, the lightweight high-strength carbon fiber composite hydrocylinder has the advantages that strength, rigidity and fatigue resistance of the hydrocylinder are all obviously improved under various working conditions, so that safety of the hydrocylinder is improved effectively, weight is reduced by 30-65%, and the objectives of mechanical pump truck weight reduction and complete truck cost reduction are achieved.
Description
Technical field
The present invention relates to a kind of lightweight high-intensity carbon fiber composite hydraulic jack.
Background technique
Hydraulic jack is very important parts for hydraulic machinery, plays the part of the role of an executive component in whole hydraulic machinery, and in whole process, hydraulic jack converts mechanical energy to hydraulic energy exactly.Along with economy continues healthy and rapid development, the engineering machinery demand of infrastructure construction increases substantially, and hydraulic jack is the special-purpose member of various engineering machinery, coal mine machinery, special vehicle and big machinery.This exhibition of arm to engineering machinery has highly also proposed strict demand.But the weight of the full-metallic hydraulic jack existing in prior art is large, and intensity, rigidity, the undesirable problem of anti-fatigue performance.Full-metallic hydraulic jack can not meet the demand of use gradually.
The problems referred to above are the problems that should pay attention to and solve in the design and production process of hydraulic jack.
Summary of the invention
The object of this invention is to provide a kind of lightweight high-intensity carbon fiber composite hydraulic jack, to solve the weight of the full-metallic hydraulic jack existing in prior art large, and intensity, rigidity, the undesirable problem of anti-fatigue performance.
Technical solution of the present invention is:
A kind of lightweight high-intensity carbon fiber composite hydraulic jack, comprise metal end enclosure, hydraulic cylinder piston, the metal inner lining being formed by hydraulic jack cylinder barrel, fixed block, the metal collar and seal ring, the two ends, inside of described metal inner lining are equipped with metal end enclosure, described hydraulic cylinder piston is through the metal end enclosure of one end, inside of metal inner lining, the outer integral body of described metal inner lining is enclosed with the enhancement layer that carbon fiber composite forms, described enhancement layer overcoat has the metal collar, described fixed block is by the metal collar, enhancement layer, metal inner lining, metal end enclosure is fixing successively, the two ends of described metal end enclosure are equipped with hydraulic fluid port, described enhancement layer be take thermosetting resin as matrix, carbon fiber is reinforcement, in described enhancement layer, the mass content of thermosetting resin matrix is 23-40%.
Preferably, between described metal end enclosure and metal inner lining, between metal end enclosure and hydraulic cylinder piston, be provided with seal ring.
Preferably, described metal inner lining adopts the thin-wall metal cylinder barrel of straight forming.
Preferably, the carbon fiber composite enhancement layer of described enhancement layer for adopting carbon fiber dry method winding shaping process or adopting carbon fiber wet winding moulding process to adopt prepreg autoclave forming process to prepare.
Preferably, described carbon fiber composite enhancement layer is the carbon fiber composite enhancement layer of winding angle 10-90 °.
Preferably, the coated angle 0-90 ° of described carbon fiber composite enhancement layer prepreg.
Preferably, described carbon fiber composite enhancement layer is that glass transition temperature is more than or equal to the carbon fiber composite enhancement layer of 120 ℃.
Preferably, described carbon fiber composite enhancement layer is that curing degree is more than or equal to 80% carbon fiber composite enhancement layer.
Preferably, the length of described metal inner lining is that 1.5-10.0m, wall thickness are that 1-3mm, internal diameter are 0.05-1.0m, and the thickness of described enhancement layer is that 5-50mm, length are 1.0-9.5m.
The invention provides a kind of carbon fiber composite hydraulic jack, the outer integral body of the metal inner lining that formed by hydraulic jack cylinder barrel is enclosed with take the carbon fiber composite enhancement layer that thermosetting resin is reinforcement as matrix, carbon fiber, enhancement layer adopts carbon fiber dry method winding shaping process or carbon fiber wet winding moulding process or prepreg autoclave forming process to be prepared from, and can meet the old performance requirement of intensity, rigidity and antifatigue of these goods.Control in carbon fiber composite enhancement layer resin content between 23-55%, and guarantee this kind of carbon fiber composite hydraulic jack stable performance ground is long-term at 90 ℃ to use.Meanwhile, the metal inner lining of this kind of carbon fiber composite hydraulic jack can straight forming, without carrying out the thin processing of two trains, is conducive to the raising of oil cylinder manufacturing efficiency again.Described metal inner lining is assembled the metal collar and seal ring and metal end enclosure by pin or bolt, can avoid the end welding of metal end enclosure and metal inner lining, avoided welding the improper problem that causes oil cylinder bias, adopt pin or bolt mechanical connection manner can effectively improve the join strength of carbon fiber composite enhancement layer and metal inner lining, guarantee product Security in use.Described hydraulic fluid port is positioned at the two ends of metal end enclosure, is convenient to cylinder barrel overall enhanced, can further improve oil cylinder quality and reduces oil cylinder weight.
This kind of lightweight high-intensity carbon fiber composite hydraulic jack, the length of cylinder barrel is that 1.5-10.0m, wall thickness are that 1-3mm, internal diameter are while being 0.05-1.0m, thickness by design enhancement layer is that 5-50mm, length are 1.0-9.5m, and adopt pin or bolt mechanical connection manner, can guarantee the Rigidity and strength requirement of this kind of carbon fiber composite hydraulic jack integral body.The carbon fiber composite hydraulic jack of this kind of new structure, when guaranteeing that hydraulic jack quality improves, make the manufacturing of hydraulic jack also more simple and efficient, be conducive to improve the manufacturing efficiency of carbon fiber composite hydraulic jack, be convenient to mass production.
The invention has the beneficial effects as follows: a kind of lightweight high-intensity carbon fiber composite of the present invention hydraulic jack, under various operating modes, full-metallic hydraulic jack more of the prior art, its intensity, rigidity, anti-fatigue performance cylinder are all significantly improved, not only make products safety effectively be improved, and weight loss effect also reaches 30%-65%, realized the target that mechanical pump truck lightweight and integral vehicle cost reduce.In addition, compare with the carbon fiber composite hydraulic jack of cylinder barrel reinforced partly, the thin-wall metal inside liner of the carbon fiber composite hydraulic jack of this kind of new structure can straight forming, without carrying out the thin processing of two trains again; The end welding of end socket and cylinder barrel has been avoided in the use of pin or bolt; And hydraulic fluid port is positioned at two ends, be convenient to cylinder barrel overall enhanced.When these new structures can guarantee that this kind of carbon fiber composite hydraulic jack quality improves, its manufacturing is also more simple and efficient, and its manufacturing efficiency is improved greatly, is convenient to mass production.Thereby to realizing sooner, more energy-conservation, the target of environmental protection more, and the development that promotes construction machinery industry is all significant.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of the embodiment of the present invention;
Fig. 2 is another structure sectional view of hydraulic jack of the present invention
Wherein: 1-metal end enclosure, 2-hydraulic cylinder piston, 3-metal inner lining, 4-enhancement layer, 5-fixed block, the 6-metal collar, 7-seal ring, 8-hydraulic fluid port.
Embodiment
Below in conjunction with accompanying drawing, describe the preferred embodiments of the present invention in detail.
As depicted in figs. 1 and 2, the present embodiment provides a kind of lightweight high-intensity carbon fiber composite hydraulic jack, comprise metal end enclosure 1, hydraulic cylinder piston 2, the metal inner lining 3 being formed by hydraulic jack cylinder barrel, fixed block 5, the metal collar 6 and seal ring 7, the two ends, inside of described metal inner lining 3 are equipped with metal end enclosure 1, described hydraulic cylinder piston 2 is through the metal end enclosure 1 of one end, inside of metal inner lining 3, the outer integral body of described metal inner lining 3 is enclosed with the enhancement layer 4 that carbon fiber composite forms, described enhancement layer 4 overcoats have the metal collar 6, described fixed block 5 is by the metal collar 6, enhancement layer 4, metal inner lining 3, metal end enclosure 1 is fixing successively, the two ends of described metal end enclosure 1 are equipped with hydraulic fluid port 8, described enhancement layer 4 be take thermosetting resin as matrix, carbon fiber is reinforcement, in described enhancement layer 4, the mass content of thermosetting resin matrix is 23-40%, be preferably 36%.3 of described metal end enclosure 1 and metal inner linings, metal end enclosure 1 and 2 of hydraulic cylinder pistons are provided with seal ring 7.
Described metal inner lining 3 adopts the thin-wall metal cylinder barrel of straight forming.The carbon fiber composite enhancement layer 4 of described enhancement layer 4 for adopting carbon fiber dry method winding shaping process to prepare.Described carbon fiber composite enhancement layer 4 is winding angle 10-90 °, is preferably the carbon fiber composite enhancement layer 4 of 48 °.Preferably, described carbon fiber composite enhancement layer 4 is more than or equal to the carbon fiber composite enhancement layer 4 of 120 ℃ for glass transition temperature.Described carbon fiber composite enhancement layer 4 is more than or equal to 80% carbon fiber composite enhancement layer 4 for curing degree.The length of described metal inner lining 3 is 1.5-10.0m, is preferably 6m, wall thickness is 1-3mm, is preferably 2mm, internal diameter is 0.05-1.0m, is preferably 0.6m, and the thickness of described enhancement layer 4 is 5-50mm, is preferably 34mm, length is 1.0-9.5m, is preferably 5.6m.
This kind of lightweight high-intensity carbon fiber composite hydraulic jack, adopt Filament-wound Machine technique at the carbon fiber composite enhancement layer 4 of the outer global formation hydraulic jack of metal inner lining 3 shell portion, then by hydraulic fluid port 8 and metal end enclosure 1 assembling, assemble with the carbon fiber composite enhancement layer 4 of hydraulic cylinder piston 2 and shell portion again, adopt pin or bolt that the metal collar 6 and seal ring 7, the metal end enclosure 1 at two ends, carbon fiber composite enhancement layer 4 are assembled.
The present embodiment provides a kind of carbon fiber composite hydraulic jack, the outer integral body of metal inner lining 3 being formed by hydraulic jack cylinder barrel is enclosed with take the carbon fiber composite enhancement layer 4 that thermosetting resin is reinforcement as matrix, carbon fiber, enhancement layer 4 adopts carbon fiber dry method winding shaping process or carbon fiber wet winding moulding process or prepreg autoclave forming process to be prepared from, and can meet the old performance requirement of intensity, rigidity and antifatigue of these goods.Control in carbon fiber composite enhancement layer 4 resin content between 23-55%, and guarantee this kind of carbon fiber composite hydraulic jack stable performance ground is long-term at 90 ℃ to use.Meanwhile, the metal inner lining 3 of this kind of carbon fiber composite hydraulic jack can straight forming, without carrying out the thin processing of two trains, is conducive to the raising of oil cylinder manufacturing efficiency again.Described metal inner lining 3 is assembled the metal collar 6 and seal ring 7 by pin or bolt with metal end enclosure 1, can avoid the end welding of metal end enclosure 1 and metal inner lining 3, avoided welding the improper problem that causes oil cylinder bias, adopt pin or bolt mechanical connection manner can effectively improve the join strength of carbon fiber composite enhancement layer 4 and metal inner lining 3, guarantee product Security in use.Described hydraulic fluid port 8 is positioned at the two ends of metal end enclosure 1, is convenient to cylinder barrel overall enhanced, can further improve oil cylinder quality and reduces oil cylinder weight.
This kind of lightweight high-intensity carbon fiber composite hydraulic jack, the length of cylinder barrel is that 1.5-10.0m, wall thickness are that 1-3mm, internal diameter are while being 0.05-1.0m, thickness by design enhancement layer 4 is that 5-50mm, length are 1.0-9.5m, and adopt pin or bolt mechanical connection manner, can guarantee the Rigidity and strength requirement of this kind of carbon fiber composite hydraulic jack integral body.The carbon fiber composite hydraulic jack of this kind of new structure, when guaranteeing that hydraulic jack quality improves, make the manufacturing of hydraulic jack also more simple and efficient, be conducive to improve the manufacturing efficiency of carbon fiber composite hydraulic jack, be convenient to mass production.
Claims (9)
1. a lightweight high-intensity carbon fiber composite hydraulic jack, it is characterized in that: comprise metal end enclosure (1), hydraulic cylinder piston (2), the metal inner lining being formed by hydraulic jack cylinder barrel (3), fixed block (5), the metal collar (6) and seal ring (7), the two ends, inside of described metal inner lining (3) are equipped with metal end enclosure (1), described hydraulic cylinder piston (2) is through the metal end enclosure (1) of one end, inside of metal inner lining (3), the outer integral body of described metal inner lining (3) is enclosed with the enhancement layer (4) that carbon fiber composite forms, described enhancement layer (4) overcoat has the metal collar (6), described fixed block (5) is by the metal collar (6), enhancement layer (4), metal inner lining (3), metal end enclosure (1) is fixing successively, the two ends of described metal end enclosure (1) are equipped with hydraulic fluid port (8), described enhancement layer (4) be take thermosetting resin as matrix, carbon fiber is reinforcement, in described enhancement layer (4), the mass content of thermosetting resin matrix is 23-40%.
2. lightweight high-intensity carbon fiber composite hydraulic jack as claimed in claim 1, is characterized in that: between described metal end enclosure (1) and metal inner lining (3), be provided with seal ring (7) between metal end enclosure (1) and hydraulic cylinder piston (2).
3. lightweight high-intensity carbon fiber composite hydraulic jack as claimed in claim 1, is characterized in that: described metal inner lining (3) adopts the thin-wall metal cylinder barrel of straight forming.
4. lightweight high-intensity carbon fiber composite hydraulic jack as claimed in claim 1, is characterized in that: the carbon fiber composite enhancement layer (4) of described enhancement layer (4) for adopting carbon fiber dry method winding shaping process or adopting carbon fiber wet winding moulding process to adopt prepreg autoclave forming process to prepare.
5. lightweight high-intensity carbon fiber composite hydraulic jack as claimed in claim 4, is characterized in that: the carbon fiber composite enhancement layer (4) that described carbon fiber composite enhancement layer (4) is winding angle 10-90 °.
6. lightweight high-intensity carbon fiber composite hydraulic jack as claimed in claim 4, is characterized in that: described carbon fiber composite enhancement layer (4) prepreg is coated angle 0-90 °.
7. the lightweight high-intensity carbon fiber composite hydraulic jack as described in claim 1-6 any one, is characterized in that: described carbon fiber composite enhancement layer (4) is more than or equal to the carbon fiber composite enhancement layer (4) of 120 ℃ for glass transition temperature.
8. the lightweight high-intensity carbon fiber composite hydraulic jack as described in claim 1-6 any one, is characterized in that: described carbon fiber composite enhancement layer (4) is more than or equal to 80% carbon fiber composite enhancement layer (4) for curing degree.
9. the lightweight high-intensity carbon fiber composite hydraulic jack as described in claim 1-6 any one, it is characterized in that: the length of described metal inner lining (3) is that 1.5-10.0m, wall thickness are that 1-3mm, internal diameter are 0.05-1.0m, and the thickness of described enhancement layer (4) is that 5-50mm, length are 1.0-9.5m.
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| CN201310494107.1A CN103591078A (en) | 2013-10-21 | 2013-10-21 | Lightweight high-strength carbon fiber composite hydrocylinder |
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| CN201310494107.1A CN103591078A (en) | 2013-10-21 | 2013-10-21 | Lightweight high-strength carbon fiber composite hydrocylinder |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041762A (en) * | 2015-06-24 | 2015-11-11 | 中国北方车辆研究所 | Micro oil 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 |
| CN112797048A (en) * | 2021-02-01 | 2021-05-14 | 北京航空航天大学 | Lightweight split type piston rod structure |
| CN113803317A (en) * | 2021-08-30 | 2021-12-17 | 天津理工大学 | Carbon fiber reinforced composite structure hydraulic cylinder body |
| CN115416333A (en) * | 2022-08-26 | 2022-12-02 | 浙江大学 | Self-reinforced carbon fiber hydraulic cylinder reinforcing method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041762A (en) * | 2015-06-24 | 2015-11-11 | 中国北方车辆研究所 | Micro oil 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 |
| CN106151161B (en) * | 2016-06-20 | 2018-05-25 | 浙江大学 | A kind of detachable hydraulic cylinder for coupling and carrying using carbon fibre composite |
| CN112797048A (en) * | 2021-02-01 | 2021-05-14 | 北京航空航天大学 | Lightweight split type piston rod structure |
| CN113803317A (en) * | 2021-08-30 | 2021-12-17 | 天津理工大学 | Carbon fiber reinforced composite structure hydraulic cylinder body |
| CN115416333A (en) * | 2022-08-26 | 2022-12-02 | 浙江大学 | Self-reinforced carbon fiber hydraulic cylinder reinforcing method |
| CN115416333B (en) * | 2022-08-26 | 2023-08-22 | 浙江大学 | Self-reinforced carbon fiber hydraulic cylinder reinforcing method |
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Application publication date: 20140219 |