CN103470755A - Piston cylinder and manufacturing method thereof - Google Patents
Piston cylinder and manufacturing method thereof Download PDFInfo
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- CN103470755A CN103470755A CN2013104123400A CN201310412340A CN103470755A CN 103470755 A CN103470755 A CN 103470755A CN 2013104123400 A CN2013104123400 A CN 2013104123400A CN 201310412340 A CN201310412340 A CN 201310412340A CN 103470755 A CN103470755 A CN 103470755A
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- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000002131 composite material Substances 0.000 claims abstract description 246
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 8
- 239000004917 carbon fiber Substances 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention provides a piston cylinder and a manufacturing method thereof. Wherein the piston cylinder includes: a cylinder (10); the axial prestress composite material layer (61) is arranged around the outer peripheral wall of the cylinder barrel (10) and used for bearing the axial load applied to the cylinder barrel (10); and a circumferential prestressed composite material layer (62) which is arranged around the outer circumferential wall of the axial prestressed composite material layer (61) and is used for bearing the circumferential load applied to the cylinder barrel (10). The technical scheme of the invention can improve the capability of the cylinder barrel for bearing axial load and circumferential load, and effectively protect the cylinder barrel.
Description
Technical field
The present invention relates to the piston technical field, in particular to the making method of a kind of piston cylinder and piston cylinder.
Background technique
In the cylinder structure schematic diagram shown in Fig. 1, the perisporium of cylinder barrel 10 ' offers two oilholes 11 ', one of them oilhole 11 ' is connected with the rod chamber of oil cylinder, another oilhole 11 ' is connected with the rodless cavity of oil cylinder, two hydraulic fluid ports 20 ' are fixedly welded on respectively on the periphery wall of cylinder barrel 10 ', and two hydraulic fluid ports 20 ' respectively with two oilholes 11 ' corresponding being connected one by one.Piston rod 50 ' is located in the inner chamber of cylinder barrel 10 ' movingly along the axial direction of cylinder barrel 10 ', guide sleeve 30 ' is positioned at the cylinder mouth place of cylinder barrel 10 ', the periphery wall of guide sleeve 30 ' is threaded fixing with the inner circle wall of cylinder barrel 10 ', guide sleeve 30 ' has for wearing the through hole of piston rod 50 ', piston 40 ' is built in the inner chamber of cylinder barrel 10 ' and is set on piston rod 50 ', the inner circle wall of piston 40 ' is threaded fixing with the periphery wall of piston rod 50 ', under the effect of hydraulic oil, piston 40 ' is with piston rod 50 ' motion.Due to the restriction of two hydraulic fluid ports 20 ', ring orientation prestress composite layer 60 ' is set on the part periphery wall of cylinder barrel 10 ', for bearing the suffered annular load of cylinder barrel 10 ', stops the circumferential deformation of cylinder barrel 10 ' under the hoop load.By composite material, the circumferencial direction winding along cylinder barrel 10 ' forms ring orientation prestress composite layer 60 ', play the hoop reinforing function, simultaneously, this part cylinder barrel 10 ' that is coated with ring orientation prestress composite layer 60 ' can suitably reduce wall thickness, thereby plays the effect that reduces cylinder barrel 10 ' weight.
But, ring orientation prestress composite layer 60 ' is composite material to be wrapped in to institute on the periphery wall of cylinder barrel 10 ' to form along the circumferencial direction of cylinder barrel 10 ', this hoop canoe has caused the anti-hoop load of ring orientation prestress composite layer 60 ' and the performance of axial load resistant not, when cylinder barrel 10 ' is subject to thrust load, thrust load is almost all born by cylinder barrel 10 ', easily causes cylinder barrel 10 ' to damage.
Summary of the invention
The present invention aims to provide the making method of a kind of piston cylinder and piston cylinder, can improve the ability that cylinder barrel bears thrust load and hoop load, effectively protects cylinder barrel.
To achieve these goals, according to an aspect of the present invention, provide a kind of piston cylinder, having comprised: cylinder barrel; The axial prestress composite layer, be centered around on the periphery wall of cylinder barrel and arrange, in order to bear the suffered thrust load of cylinder barrel; And the ring orientation prestress composite layer, be centered around on the periphery wall of axial prestress composite layer and arrange, in order to bear the suffered hoop load of cylinder barrel.
Further, the periphery wall of cylinder barrel has a plurality of projections; Composite material along the axial direction winding of cylinder barrel on a plurality of projections to form the axial prestress composite layer.
Further, the periphery wall of cylinder barrel has two groups of projections, lays respectively at the two ends of cylinder barrel, and every group of projection in two groups of projections comprises a plurality of projections, and a plurality of projections are arranged along the even interval of peripheral direction of cylinder barrel.
Further, the ring orientation prestress composite layer is prefabricated ring orientation prestress composite drum, and the ring orientation prestress composite drum is set on the axial prestress composite layer to form the ring orientation prestress composite layer.
Further, ring orientation prestress composite drum and axial prestress composite layer interference fit.
Further, the composite material of formation axial prestress composite layer is carbon fiber composite or glass fiber compound material; The composite material that forms the ring orientation prestress composite layer is carbon fiber composite or glass fiber compound material.
Further, piston cylinder also comprises: guide sleeve, be fixed in the cylinder mouth place of cylinder barrel; The first pressure fluid oral area, be fixed on the exterior edge face of guide sleeve, and be connected with the rod chamber of piston cylinder; And the second pressure fluid oral area, be fixed on the exterior edge face of cylinder bottom of cylinder barrel, and be connected with the rodless cavity of piston cylinder; The first end of axial prestress composite layer is concordant with the cylinder mouth of cylinder barrel, and the second end of axial prestress composite layer is concordant with the cylinder bottom of cylinder barrel; The first end of ring orientation prestress composite layer is concordant with the first end of axial prestress composite layer, and second of the second end of ring orientation prestress composite layer and axial prestress composite layer held level with both hands together.
According to a further aspect in the invention, provide a kind of making method of piston cylinder, comprised the following steps: the periphery wall around the cylinder barrel of piston cylinder arranges the axial prestress composite layer, in order to bear the suffered thrust load of cylinder barrel; And around the periphery wall of axial prestress composite layer, the ring orientation prestress composite layer is set, in order to bear the suffered hoop load of cylinder barrel.
Further, around the periphery wall of the cylinder barrel of piston cylinder, the axial prestress composite layer is set, in order to bear the suffered thrust load of cylinder barrel, comprise the following steps: the both ends of the surface at cylinder barrel apply axial pressure; Along the axial direction of cylinder barrel on the periphery wall of cylinder barrel wound composite to form the axial prestress composite layer; And unloading axial pressure.
Further, the periphery wall of cylinder barrel has two groups of projections, lays respectively at the two ends of cylinder barrel, and every group of projection in two groups of projections comprises a plurality of projections, and a plurality of projections are arranged along the even interval of peripheral direction of cylinder barrel; Axial direction wound composite on the periphery wall of cylinder barrel along cylinder barrel comprises the following steps to form the axial prestress composite layer: the axial direction by composite material along cylinder barrel is wrapped on two groups of projections to form the axial prestress composite layer.
Further, applying axial pressure in the both ends of the surface of cylinder barrel comprises the following steps: the axial pressure that applies 10 to 100 MPas in the both ends of the surface of cylinder barrel.
Further, periphery wall around the axial prestress composite layer arranges the ring orientation prestress composite layer, in order to bear the suffered hoop load of cylinder barrel, comprise the following steps: prefabricated ring orientation prestress composite drum, the internal diameter of ring orientation prestress composite drum is less than the external diameter of axial prestress composite layer; And the ring orientation prestress composite drum is set on the periphery wall of axial prestress composite layer to form ring orientation prestress composite layer, ring orientation prestress composite layer and axial prestress composite layer interference fit.
Apply technological scheme of the present invention, periphery wall around cylinder barrel arranges the axial prestress composite layer, periphery wall around the axial prestress composite layer arranges the ring orientation prestress composite layer, wherein the axial prestress composite layer be used for bearing cylinder barrel suffered thrust load, the ring orientation prestress composite layer be used for bearing cylinder barrel suffered hoop load, in prior art, just the periphery wall around cylinder barrel arranges the ring orientation prestress composite layer, cause thrust load almost all to be born by cylinder barrel, technological scheme of the present invention can pass to by the thrust load that cylinder barrel is subject to the axial prestress composite layer, the hoop load that cylinder barrel is subject to passes to the ring orientation prestress composite layer, reduce thrust load and hoop load that cylinder barrel self is born, thereby improve the axial load resistant of cylinder barrel and the ability of hoop load, effectively protected cylinder barrel, avoid it to be damaged.
The accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
Fig. 1 shows the schematic diagram according to the piston cylinder of prior art;
Fig. 2 shows the structural representation of oil cylinder according to an embodiment of the invention;
Fig. 3 show oil cylinder according to an embodiment of the invention in installation shaft to the schematic diagram before the prestressed composite materials layer;
Fig. 4 shows A-A according to Fig. 3 to sectional view;
Fig. 5 shows according to an embodiment of the invention the oil cylinder installation shaft to the scheme of installation of prestressed composite materials layer;
Fig. 6 shows according to an embodiment of the invention the oil cylinder installing ring to the scheme of installation of prestressed composite materials layer; And
Fig. 7 shows the schematic diagram that the oil cylinder assembling finishes according to an embodiment of the invention.
Embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the application can combine mutually.
As shown in Figure 2, according to embodiments of the invention, a kind of piston cylinder is provided, has comprised cylinder barrel 10, the first pressure fluid oral area 21, the second pressure fluid oral area 22, guide sleeve 30, piston 40, piston rod 50, axial prestress composite layer 61 and ring orientation prestress composite layer 62.Wherein cylinder barrel 10 comprises cylinder bottom 12 and the cylinder mouth relative with cylinder bottom 12, guide sleeve 30 is embedded at cylinder mouth place, the periphery wall of guide sleeve 30 is threaded fixing with the inner circle wall of cylinder barrel 10, piston rod 50 is located in the endoporus of the inner chamber of cylinder barrel 10 and guide sleeve 30, piston rod 50 can move reciprocatingly along the axial direction of cylinder barrel 10, piston 40 is set in outside piston rod 50 and is embedded in the inner chamber of cylinder barrel 10, the inner circle wall of piston 40 is threaded fixing with the periphery wall of piston rod 50, piston 40 can be done the axial direction motion with piston rod 50, piston 40 is divided into rod chamber and rodless cavity by the inner chamber of cylinder barrel 10, the first pressure fluid oral area 21 is connected with rod chamber by the first pressure flow body opening 31, the second pressure fluid oral area 22 is connected with rodless cavity by the second pressure flow body opening 13.Under the promotion of the pressure fluid injected at the first pressure fluid oral area 21 or the second pressure fluid oral area 22, piston 40 is done the axial direction motion with piston rod 50.Axial prestress composite layer 61 is around the periphery wall setting of cylinder barrel 10, and ring orientation prestress composite layer 62 is around the periphery wall setting of axial prestress composite layer 61.
Axial prestress composite layer 61 is used for bearing the thrust load that cylinder barrel 10 passes over, ring orientation prestress composite layer 62 is used for bearing the hoop load that cylinder barrel 10 passes over, so axial prestress composite layer 61 and ring orientation prestress composite layer 62 are centered around on cylinder barrel 10 successively, can share the suffered thrust load of cylinder barrel 10 and hoop load, reduce thrust load and hoop load that cylinder barrel 10 is born self, thereby improve the axial load resistant of cylinder barrel 10 and the ability of hoop load, avoid cylinder barrel 10 to deform.In prior art, only enclose the ring orientation prestress composite layer on cylinder barrel 10, cause cylinder barrel 10 almost to bear whole thrust loads, technological scheme of the present invention can effectively be protected cylinder barrel 10, avoids it to be damaged.
Axial prestress composite layer 61 is wrapped on cylinder barrel 10 and forms along the axial direction of cylinder barrel 10 by composite material.In conjunction with referring to shown in Fig. 3 to Fig. 5, assembled shaft during with cylinder barrel 10, respectively applies axial pressure P at the two ends of cylinder barrel 10 to prestressed composite materials layer 61, makes cylinder barrel 10 produce a compressive strain in axial direction, amount of deformation is Δ L, and now cylinder barrel 10 is in the predeformation form; Keep the predeformation state of cylinder barrel 10 constant, on the periphery wall of cylinder barrel 10 in axial direction wound composite to form axial prestress composite layer 61, the compressive strain that utilizes axial prestress composite layer 61 to pin cylinder barrel 10, unloading axial pressure P after the complete typing of Filament Wound Composite; Last under the off working state of piston cylinder, the inner axial pressure prestressing force that can produce a certain size of cylinder barrel 10, and axial prestress composite layer 61 inner can produce a certain size axially draw prestressing force.
Preferably, the scope of axial pressure P is 10 to 100 MPas.
When the cylinder barrel 10 that is arranged with axial prestress composite layer 61 is subject to Axial Loads, the axial tension stress of axial prestress composite layer 61 further increases original axially drawing on prestressed basis, and the axial pressure prestressing force of cylinder barrel 10 becomes axial tension stress, thereby realized that axial prestress composite layer 61 bears more thrust load, the high-strength characteristic of axial prestress composite layer 61 is fully used, can suitably reduce the thickness of axial prestress composite layer 61, reduced the weight of composite material simultaneously.
In order to facilitate the winding of composite material, the periphery wall of cylinder barrel 10 has a plurality of protruding 11, and Filament Wound Composite is got final product on a plurality of protruding 11.
Prior art is composite material to be wrapped in along the circumferencial direction (being hoop) of cylinder barrel 10 on the periphery wall of cylinder barrel 10 to form the ring orientation prestress composite layer, and ring orientation prestress composite layer axial load resistant ability a little less than, thereby the situation that there will be the ring orientation prestress composite layer to separate with cylinder barrel 10 interface layers when cylinder barrel 10 is subject to axial force.
The present invention is designed with projection 11 on cylinder barrel 10, axial prestress composite layer 61 is used for being fastened, by cylinder barrel 10, suffered thrust load passes to axial prestress composite layer 61, and can prevent that cylinder barrel 10 and axial prestress composite layer 61 under the effect of thrust load, interfacial separation occurring.
In the present embodiment, be designed with two groups of projections, wherein one group of projection is arranged on the periphery wall of cylinder bottom 12 place ends of cylinder barrel 10, another group projection is arranged on the periphery wall of cylinder mouth place end of cylinder barrel 10, every group of projection in two groups of projections includes a plurality of protruding 11, a plurality of protruding 11 circumferencial directions along cylinder barrel 10 on the same group evenly spaced one week, can facilitate composite material to be wound around to form axial prestress composite layer 61 along the axial direction of cylinder barrel 10.
Certainly, be not limited to arrange two groups of projections in practical application, the formed axial prestress composite layer 61 of composite material three groups of projections or three groups more than projection also can be set, but preferably in each end of cylinder barrel 10, have one group of projection at least, so that can cover the more multiple location of cylinder barrel 10.
In addition, the composite fiber that is used to form axial prestress composite layer 61 can in axial direction be wrapped on axial corresponding two projections 11 that arrange, also can be wrapped on two projections 11 that axially stagger, if composite fiber is wrapped on two projections 11 that axially stagger, formed axial prestress composite layer 61 be not yet absolute axially, can bear a part of hoop load.
Ring orientation prestress composite layer 62 is centered around on axial prestress composite layer 61 and arranges, in order to make cylinder barrel 10 periphery walls produce larger hoop compressive strain and hoop pressure stress, ring orientation prestress composite layer 62 and axial prestress composite layer 61 interference fit.
In conjunction with referring to Fig. 6, be specially, prefabricated ring orientation prestress composite drum, the ring orientation prestress composite drum is the sleeve by the composite material hollow that along the circumferential direction (being hoop) winding forms, the internal diameter of ring orientation prestress composite drum is less than the external diameter of axial prestress composite layer 61, difference is Δ d, the ring orientation prestress composite drum is set on axial prestress composite layer 61 to form ring orientation prestress composite layer 62, and ring orientation prestress composite layer 62 and axial prestress composite layer 61 interference fit, magnitude of interference is Δ d.
Prior art is that composite material directly along the circumferential direction is wrapped on cylinder barrel 10 to form the ring orientation prestress composite layer, because cylinder barrel 10 is made for steel, the rigidity of composite material is much smaller than the rigidity of steel, the composite material fit together and the rigidity of steel are not mated, can cause under identical distortion, the rigidity circlet is born less load to the prestressed composite materials layer, therefore the load that the ring orientation prestress composite layer is born is limited, the mechanical property of ring orientation prestress composite layer is far from being not fully exerted, for intensity and the rigidity that guarantees whole cylinder barrel 10, ring orientation prestress composite layer of the prior art must design very thickly, waste composite material and increased the weight of ring orientation prestress composite layer.
The present invention is by making axial prestress composite layer 61 and ring orientation prestress composite drum interference fit, make the cylinder barrel 10 that is wound with axial prestress composite layer 61 produce certain hoop compressive strain and hoop pressure prestressing force, the ring orientation prestress composite drum produces certain hoop and draws prestressing force, when the pressure fluid that cylinder barrel 10 is subject in its inner chamber is done the used time, cylinder barrel 10 is along circumferential expansion, the suffered hoop of axial prestress composite layer 61 and cylinder barrel 10 presses prestressing force to become the hoop tensile stress, and the tensile stress of ring orientation prestress composite drum is drawn further increase on prestressed basis at original hoop, thereby realized that ring orientation prestress composite layer 62 bears more hoop load.By making axial prestress composite layer 61 and ring orientation prestress composite drum interference fit, the high-strength characteristic of the formed ring orientation prestress composite layer 62 of ring orientation prestress composite drum is fully used, composite material needn't be wound around very thickly simultaneously, has reduced the weight of ring orientation prestress composite layer 62.
Preferably, the composite material that is used to form axial prestress composite layer 61 is carbon fiber composite or glass fiber compound material, and the composite material that is used to form ring orientation prestress composite layer 62 is carbon fiber composite or glass fiber compound material.The present invention to carbon fiber composite and glass fiber compound material itself without any improvement, the carbon fiber composite adopted and glass fiber compound material are all known composite materials, and the present invention just is applied to known material in the preparation of axial prestress composite layer 61 and ring orientation prestress composite layer 62.
Because axial load resistant performance and the anti-hoop load performance of the cylinder barrel 10 that is arranged with axial prestress composite layer 61 and ring orientation prestress composite layer 62 is significantly increased, so can suitably reduce the wall thickness of this part cylindrical shell that is coated with axial prestress composite layer 61 and ring orientation prestress composite layer 62 of cylinder barrel 10, reach the purpose that alleviates cylinder barrel 10 weight.
In order to alleviate to greatest extent the weight of cylinder barrel 10, the first pressure fluid oral area 21 is fixedly welded on the exterior edge face of guide sleeve 30, the second pressure fluid oral area 22 is fixedly welded on the exterior edge face of cylinder bottom 12, make the first pressure fluid oral area 21 and the second pressure fluid oral area 22 avoid the periphery wall setting of cylinder barrel 10, the periphery wall of cylinder barrel 10 does not have miscellaneous part to interfere, in conjunction with referring to Fig. 2, the first end of axial prestress composite layer 61 is concordant with the cylinder mouth of cylinder barrel 10, the second end of axial prestress composite layer 61 is concordant with the cylinder bottom 12 of cylinder barrel 10, the first end of ring orientation prestress composite layer 62 is concordant with the first end of axial prestress composite layer 61, second of the second end of ring orientation prestress composite layer 62 and axial prestress composite layer 61 held level with both hands together, axial prestress composite layer 61 can cover the whole periphery wall of cylinder barrel 10 like this, ring orientation prestress composite layer 62 can cover the whole periphery wall of axial prestress composite layer 61, in prior art, the first pressure fluid oral area 21 and the second pressure fluid oral area 22 all are fixed on the periphery wall of cylinder barrel 10, the ring orientation prestress composite layer can't cover cylinder barrel 10 this part barrel, cause the wall thickness of cylinder barrel 10 this part barrel to reduce, the whole wall thickness of cylinder barrel 10 all can reduce, reduce to greatest extent the weight of cylinder barrel 10.
The present invention also provides a kind of making method of piston cylinder, and this piston cylinder is aforesaid piston cylinder, and the method comprises:
S100, around the periphery wall of the cylinder barrel 10 of piston cylinder, axial prestress composite layer 61 is set, in order to bear the suffered thrust load of cylinder barrel 10; And
S200, around the periphery wall of axial prestress composite layer 61, ring orientation prestress composite layer 62 is set, in order to bear the suffered hoop load of cylinder barrel 10.
Wherein S100, around the periphery wall of the cylinder barrel 10 of piston cylinder, axial prestress composite layer 61 is set, in order to bear the suffered thrust load of cylinder barrel 10, comprise:
S110, in the both ends of the surface of cylinder barrel 10, apply axial pressure P, the scope of P is 10 to 100 MPas, makes cylinder barrel 10 produce compressive strain at axial direction, and amount of deformation is Δ L;
S120, along axial direction wound composite on the periphery wall of cylinder barrel 10 of cylinder barrel 10, form axial prestress composite layer 61 after typing; And
S13, unloading axial pressure P.
Wherein S120, along axial direction wound composite on the periphery wall of cylinder barrel 10 of cylinder barrel 10, form axial prestress composite layer 61 after typing and comprise:
S111, the axial direction by composite material along cylinder barrel 10 are wrapped on a plurality of protruding 11;
S112, heat treatment form axial prestress composite layer 61.
Wherein S200, around the periphery wall of axial prestress composite layer 61, ring orientation prestress composite layer 62 is set, in order to bear the suffered hoop load of cylinder barrel 10, comprise:
S210, prefabricated ring orientation prestress composite drum, the internal diameter of ring orientation prestress composite drum is less than the external diameter of described axial prestress composite layer 61, and both differences are Δ d; And
S220, the ring orientation prestress composite drum is set on the periphery wall of axial prestress composite layer 61 to form ring orientation prestress composite layer 62, ring orientation prestress composite layer 62 and axial prestress composite layer 61 interference fit, magnitude of interference is Δ d.
Wherein S210, prefabricated ring orientation prestress composite drum comprise:
S211, wound composite along the circumferential direction, the complete typing of Filament Wound Composite forms the ring orientation prestress composite drum of hollow afterwards.
By axial prestress composite layer 61, ring orientation prestress composite layer 62 and the complete concrete structure schematic diagram shown in Figure 7 of cylinder barrel 10 assembling.
From above description, can find out, the above embodiments of the present invention have realized following technique effect: the periphery wall around cylinder barrel arranges the axial prestress composite layer, periphery wall around the axial prestress composite layer arranges the ring orientation prestress composite layer, wherein the axial prestress composite layer is used for bearing the thrust load that cylinder barrel passes over, the ring orientation prestress composite layer is used for bearing the hoop load that cylinder barrel passes over, in prior art, just the periphery wall around cylinder barrel arranges the ring orientation prestress composite layer, cause thrust load almost all to be born by cylinder barrel, technological scheme of the present invention can pass to by the thrust load that cylinder barrel is subject to the axial prestress composite layer, the hoop load that cylinder barrel is subject to passes to the ring orientation prestress composite layer, reduce thrust load and hoop load that cylinder barrel self is born, thereby improve the axial load resistant of cylinder barrel and the ability of hoop load, effectively protected cylinder barrel, avoid it to be damaged.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. a piston cylinder, is characterized in that, comprising:
Cylinder barrel (10);
Axial prestress composite layer (61), be centered around on the periphery wall of described cylinder barrel (10) and arrange, in order to bear the suffered thrust load of described cylinder barrel (10); And
Ring orientation prestress composite layer (62), be centered around on the periphery wall of described axial prestress composite layer (61) and arrange, in order to bear the suffered hoop load of described cylinder barrel (10).
2. piston cylinder according to claim 1, is characterized in that,
The periphery wall of described cylinder barrel (10) has a plurality of projections (11);
Composite material is upper to form described axial prestress composite layer (61) in described a plurality of projections (11) along the axial direction winding of described cylinder barrel (10).
3. piston cylinder according to claim 2, it is characterized in that, the periphery wall of described cylinder barrel (10) has two groups of projections, lay respectively at the two ends of described cylinder barrel (10), every group of projection in described two groups of projections comprises described a plurality of projection (11), and described a plurality of projections (11) are arranged along the even interval of peripheral direction of described cylinder barrel (10).
4. piston cylinder according to claim 1, it is characterized in that, described ring orientation prestress composite layer (62) is prefabricated ring orientation prestress composite drum, and it is upper to form described ring orientation prestress composite layer (62) that described ring orientation prestress composite drum is set in described axial prestress composite layer (61).
5. piston cylinder according to claim 4, is characterized in that, described ring orientation prestress composite drum and described axial prestress composite layer (61) interference fit.
6. piston cylinder according to claim 1, is characterized in that,
The composite material that forms described axial prestress composite layer (61) is carbon fiber composite or glass fiber compound material;
The composite material that forms described ring orientation prestress composite layer (62) is carbon fiber composite or glass fiber compound material.
7. piston cylinder according to claim 1, is characterized in that, described piston cylinder also comprises:
Guide sleeve (30), be fixed in the cylinder mouth place of described cylinder barrel (10);
The first pressure fluid oral area (21), be fixed on the exterior edge face of described guide sleeve (30), and be connected with the rod chamber of piston cylinder; And
The second pressure fluid oral area (22), be fixed on the exterior edge face of cylinder bottom (12) of described cylinder barrel (10), and be connected with the rodless cavity of described piston cylinder;
The first end of described axial prestress composite layer (61) is concordant with the described cylinder mouth of described cylinder barrel (10), and the second end of described axial prestress composite layer (61) is concordant with the described cylinder bottom (12) of described cylinder barrel (10);
The first end of described ring orientation prestress composite layer (62) is concordant with the first end of described axial prestress composite layer (61), and second of the second end of described ring orientation prestress composite layer (62) and described axial prestress composite layer (61) held level with both hands together.
8. the making method of a piston cylinder, is characterized in that, comprises the following steps:
Periphery wall around the cylinder barrel (10) of piston cylinder arranges axial prestress composite layer (61), in order to bear the suffered thrust load of described cylinder barrel (10); And
Periphery wall around described axial prestress composite layer (61) arranges ring orientation prestress composite layer (62), in order to bear the suffered hoop load of described cylinder barrel (10).
9. the making method of piston cylinder according to claim 8, it is characterized in that, the periphery wall of the described cylinder barrel around piston cylinder (10) arranges axial prestress composite layer (61), in order to bear the suffered thrust load of described cylinder barrel (10), comprises the following steps:
Both ends of the surface at described cylinder barrel (10) apply axial pressure;
Along the axial direction of described cylinder barrel (10) on the periphery wall of described cylinder barrel (10) wound composite to form described axial prestress composite layer (61); And
Unload described axial pressure.
10. the making method of piston cylinder according to claim 9, is characterized in that,
The periphery wall of described cylinder barrel (10) has two groups of projections, lay respectively at the two ends of described cylinder barrel (10), every group of projection in described two groups of projections comprises a plurality of projections (11), and described a plurality of projections (11) are arranged along the even interval of peripheral direction of described cylinder barrel (10);
The described axial direction along described cylinder barrel (10) wound composite on the periphery wall of described cylinder barrel (10) comprises the following steps to form described axial prestress composite layer (61):
Axial direction by described composite material along described cylinder barrel (10) is wrapped on described two groups of projections to form described axial prestress composite layer (61).
11. the making method of piston cylinder according to claim 9, is characterized in that, the described both ends of the surface at described cylinder barrel (10) apply axial pressure and comprise the following steps:
Apply the axial pressure of 10 to 100 MPas in the both ends of the surface of described cylinder barrel (10).
12. the making method of piston cylinder according to claim 8, it is characterized in that, the described periphery wall around described axial prestress composite layer (61) arranges ring orientation prestress composite layer (62), in order to bear the suffered hoop load of described cylinder barrel (10), comprises the following steps:
Prefabricated ring orientation prestress composite drum, the internal diameter of described ring orientation prestress composite drum is less than the external diameter of described axial prestress composite layer (61); And
Described ring orientation prestress composite drum is set on the periphery wall of described axial prestress composite layer (61) to form described ring orientation prestress composite layer (62) to described ring orientation prestress composite layer (62) and described axial prestress composite layer (61) interference fit.
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| CN201310412340.0A CN103470755B (en) | 2013-09-11 | 2013-09-11 | Piston cylinder and manufacturing method thereof |
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| CN201310412340.0A CN103470755B (en) | 2013-09-11 | 2013-09-11 | Piston cylinder and manufacturing method thereof |
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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 |
| EP4261385A1 (en) * | 2023-01-24 | 2023-10-18 | DWL Baumaschinen AG | Straightening press unit for a trenchless line construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4700868A (en) * | 1986-03-28 | 1987-10-20 | Pneumo Abex Corporation | Composite pressure vessel including fluid port with replaceable seal in composite sidewall structure and method of constructing such fluid port |
| 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 |
| DE19649133C1 (en) * | 1996-11-27 | 1998-03-05 | Dornier Gmbh | Hydraulic cylinder |
| JP2011112110A (en) * | 2009-11-25 | 2011-06-09 | Tokyo Institute Of Technology | Actively curving tube actuator and actively surveying device |
| CN102705293A (en) * | 2012-06-14 | 2012-10-03 | 中联重科股份有限公司 | Cylinder body of actuating cylinder, manufacturing method thereof and concrete pumping equipment |
-
2013
- 2013-09-11 CN CN201310412340.0A patent/CN103470755B/en active Active
Patent Citations (5)
| 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 |
| US4700868A (en) * | 1986-03-28 | 1987-10-20 | Pneumo Abex Corporation | Composite pressure vessel including fluid port with replaceable seal in composite sidewall structure and method of constructing such fluid port |
| DE19649133C1 (en) * | 1996-11-27 | 1998-03-05 | Dornier Gmbh | Hydraulic cylinder |
| JP2011112110A (en) * | 2009-11-25 | 2011-06-09 | Tokyo Institute Of Technology | Actively curving tube actuator and actively surveying device |
| CN102705293A (en) * | 2012-06-14 | 2012-10-03 | 中联重科股份有限公司 | Cylinder body of actuating cylinder, manufacturing method thereof and concrete pumping equipment |
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 |
| EP4261385A1 (en) * | 2023-01-24 | 2023-10-18 | DWL Baumaschinen AG | Straightening press unit for a trenchless line construction |
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| Publication number | Publication date |
|---|---|
| CN103470755B (en) | 2015-12-23 |
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