CN102705293A - Cylinder body of actuating cylinder, manufacturing method thereof and concrete pumping equipment using the same - Google Patents
Cylinder body of actuating cylinder, manufacturing method thereof and concrete pumping equipment using the same Download PDFInfo
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- CN102705293A CN102705293A CN2012101959863A CN201210195986A CN102705293A CN 102705293 A CN102705293 A CN 102705293A CN 2012101959863 A CN2012101959863 A CN 2012101959863A CN 201210195986 A CN201210195986 A CN 201210195986A CN 102705293 A CN102705293 A CN 102705293A
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- cylinder body
- inside liner
- fibrous composite
- composite layer
- thickness
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
- F05C2253/04—Composite, e.g. fibre-reinforced
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
- F05C2253/20—Resin
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
- F15B2215/305—Constructional details thereof characterised by the use of special materials
Abstract
The invention discloses a cylinder body of an actuating cylinder, which comprises an inner lining (1) and a first fiber composite material layer (2) bonded outside the inner lining, wherein the first fiber composite material layer is laminated by a first fiber material and a resin matrix. The invention also discloses concrete pumping equipment comprising the cylinder body. Accordingly, the invention further discloses a manufacturing method of the cylinder body of the actuating cylinder, which comprises an inner lining forming step of forming the inner lining, and a bonding step of forming the first fiber composite material layer with the first fiber material and the resin matrix and bonding the first fiber composite material layer to the outer part of the inner lining. According to the technical scheme, the cylinder body of the actuating cylinder has higher strength and lighter weight, is better in fatigue resistance and corrosion resistance, and has low thermal expansibility. Besides, since the inner lining of the cylinder body can meet the requirements for tightness of the cylinder body inner wall and the wear resistance upon contact with a piston, the inner lining does not affect the service performance of the cylinder body.
Description
Technical field
The present invention relates to the actuator cylinder field, particularly, relate to a kind of production method of cylinder body and this cylinder body of actuator cylinder, also relate to a kind of concrete pumping equipment with this cylinder body.
Background technique
Actuator cylinder generally includes oil hydraulic cylinder and cylinder, and its application is very extensive.For example be example, in concrete pumping equipment (for example concrete mixer), all include oil hydraulic cylinder usually, be used to drive the to-and-fro motion of concrete cylinder with the oil hydraulic cylinder, thus delivering concrete.In concrete mechanism, increasing transmission and concrete transmission work adopts concrete mixer to accomplish at present.Along with the high speed development of concreting machinery technology, engineer operation requires transmission and concrete transmission is arrived higher farther distance, and the material that parts such as the jib of concreting machinery, oil hydraulic cylinder are selected for use all develops to the high-strength light direction.The cylinder body of existing oil hydraulic cylinder is processed by single alloy steel material, because the density of alloyed steel is bigger, makes the own wt of oil hydraulic cylinder bigger, has seriously limited the increase of concrete pump truck arm length, has restricted the development of concrete mixer.Therefore, exploitation is a kind of can satisfy the cylinder body that the concrete mixer requirement of strength has the oil hydraulic cylinder of light weight again simultaneously and develop significant for concrete mixer to long-armed direction.In addition, shortcoming such as the cylinder body of the actuator cylinder of being processed by single alloyed steel also has fatigue resistance and corrosion resistance is relatively poor and thermal expansivity is bigger, thus make the limited use of actuator cylinder.
Summary of the invention
An object of the present invention is to provide a kind of cylinder body of actuator cylinder, the intensity of this cylinder body is big, weight is light, fatigue resistance and corrosion resistance are better, and thermal expansivity is less, thereby makes actuator cylinder to be more widely used.Another object of the present invention provides a kind of production method of cylinder body of this master cylinder.
To achieve these goals; On the one hand, the invention provides a kind of cylinder body of actuator cylinder, wherein; This cylinder body comprises inside liner and the first fibrous composite layer that is combined in the outside of this inside liner, and the said first fibrous composite layer is composited by first lamination coating and matrix resin.
On the other hand, the present invention also provides a kind of concrete pumping equipment, and wherein, the cylinder body of the pumping cylinder of this concrete pumping equipment is the cylinder body of actuator cylinder as indicated above.
Also on the other hand, the present invention also provides a kind of production method of cylinder body of actuator cylinder, and wherein, this method comprises: form the inside liner step: form inside liner; And integrating step: adopt first lamination coating and matrix resin to form the outside that the first fibrous composite layer also is attached to this first fibrous composite layer said inside liner.
Through technique scheme, the cylinder body of actuator cylinder comprises the inside liner and the first fibrous composite layer, because fibrous composite is compared with existing metallic material; Weight is lighter under equality strength; And fatigue resistance and corrosion resistance are better, and thermal expansivity is less, can make therefore that the cylinder strength of this actuator cylinder is big, weight is light, fatigue resistance and corrosion resistance be better; And thermal expansivity is less, thereby makes this actuator cylinder to be more widely used.In addition, because the inside liner of cylinder body can satisfy the sealing of inboard wall of cylinder block and the requirement of the wear resistance that contact with piston, so can not influence the usability of cylinder body.
Other features and advantages of the present invention will partly specify in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with following embodiment, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the cross-sectional schematic according to the cylinder body of the actuator cylinder of one embodiment of the present invention;
Fig. 2 is the local enlarged diagram of the A portion among Fig. 1;
Fig. 3 is the overall structure schematic representation of inside liner of the cylinder body of actuator cylinder as shown in Figure 1.
Description of reference numerals
Embodiment
Be elaborated below in conjunction with the accompanying drawing specific embodiments of the invention.Should be understood that embodiment described herein only is used for explanation and explains the present invention, is not limited to the present invention.
As depicted in figs. 1 and 2, according to one embodiment of the present invention a kind of cylinder body of actuator cylinder is provided, wherein, this cylinder body comprises inside liner 1 and the first fibrous composite layer 2 that is combined in the outside of this inside liner 1.
Through technique scheme, the cylinder body of actuator cylinder comprises the inside liner 1 and the first fibrous composite layer 2, because fibrous composite is compared with existing metallic material; Weight is lighter under equality strength; And fatigue resistance and corrosion resistance are better, and thermal expansivity is less, can make therefore that the cylinder strength of this actuator cylinder is big, weight is light, fatigue resistance and corrosion resistance be better; And thermal expansivity is less, thereby makes this actuator cylinder to be more widely used.In addition, because the inside liner of cylinder body can satisfy the sealing of inboard wall of cylinder block and the requirement of the wear resistance that contact with piston, so can not influence the usability of cylinder body.
Said inside liner 1 can select for use the various suitable material of the requirement of sealing that can satisfy inboard wall of cylinder block and the wear resistance that contacts with piston to process, and for example can adopt the existing metallic material that is generally used for making cylinder body to process.
The fibrous composite of mentioning among the present invention (the for example fibrous composite of the first fibrous composite layer 2, the second fibrous composite layer 4) is meant the material that is composited by lamination coating and matrix resin, just fiber-resin composite.
The said first fibrous composite layer 2 can adopt various suitable lamination coatings and matrix resin compound and process, and lamination coating for example can be selected from one or more in glass fibre, aramid fibre, superhigh molecular weight polyethylene fibers, the graphite fiber.Preferably, the first fibrous composite layer 2 is processed by carbon fibre material and matrix resin.Carbon fiber composite has lightweight, high tenacity, high rigidity, good vibration damping property, endurance and series of advantages such as corrosion-resistant.Carbon fibre material can be compounded to form carbon fiber composite with various matrix resins; This matrix resin for example can be unsaturated polyester, vinylite, phenolic resin etc., and preferably adopting process property is better, intensity is higher and toughness epoxy-resin systems preferably.In the lamination coating that is used to form the first fibrous composite layer 2; What have is conductive material; Have for non-conducting material, when said inside liner 1 and the first fibrous composite layer 2 are processed (for example inside liner 1 is processed by metallic material, and the first fibrous composite layer is processed by carbon fiber composite) by conductive material; Preferably, also be provided with isolation layer 3 between the said inside liner 1 and the first fibrous composite layer 2.Thereby can prevent electrochemical corrosion to occur between the inside liner 1 and the first fibrous composite layer 2, prolong the life-span of the cylinder body of actuator cylinder.Isolation layer 3 can adopt various appropriate insulation materials to process, and for example can be selected from glass fibre, aramid fibre, superhigh molecular weight polyethylene fibers, the basalt fibre one or more.Isolation layer 3 for example can stick on the inside liner 1 through the high tenacity adhesive.
Preferably, as depicted in figs. 1 and 2, the outside of the said first fibrous composite layer 2 also is provided with the second fibrous composite layer 4.This second fibrous composite layer 4 helps to improve the performance that cylinder body bears foreign impacts.The second fibrous composite layer 4 can adopt various suitable lamination coatings and matrix resin to form, and this lamination coating for example can be selected from one or more in glass fibre, aramid fibre, superhigh molecular weight polyethylene fibers, the basalt fibre.The matrix resin of the first fibrous composite layer 2 and the second fibrous composite layer 4 can be identical, also can be different.
The present invention does not relate to the change to the global shape of the cylinder body of said actuator cylinder; That is to say that the structure of the global shape of the cylinder body of actuator cylinder can be identical with the cylinder body of existing actuator cylinder, can be roughly the cylindrical of hollow; And be provided with connecting thread and/or hydraulic fluid port etc. at two ends; Wherein connecting thread is mainly used in the end cap of actuator cylinder and is connected, and hydraulic fluid port then is mainly used in the working oil path of actuator cylinder and is connected, so that working oil path is communicated with the interior active chamber of cylinder body.The main inventive point of the present invention is cylinder body is divided into a plurality of material layers, thereby improves intensity, the weight reduction of cylinder body, and improves corrosion resistance and fatigue resistance, reduces thermal expansivity.A plurality of material layers of cylinder body (for example above-mentioned inside liner 1, the first fibrous composite layer 2, isolation layer 3 and the second fibrous composite layer 4) can adopt homogeneous thickness or uneven thickness separately.Preferably, to shown in Figure 3, said inside liner 1 is roughly tubular like Fig. 1, comprises intermediate portion 11 and two ends 12 that lay respectively at these intermediate portion 11 both sides, and the thickness of said intermediate portion 11 is less than the thickness of said end 12.Intermediate portion 11 and two ends 12 be axial arranged along cylinder body roughly; Inside liner 1 roughly forms the structure of being small at both ends and big in the middle; This not only is beneficial to processing and import and export is set, and the 12 pairs of intermediate portions in two ends, the 11 outer fibrous composites that form are had certain fixation.
More preferably, also have transition part 13 between each said end 12 and the said intermediate portion 11, the thickness of said transition part 13 carries out the transition to the thickness of said intermediate portion 11 from the thickness of said end 12.Through transition part 13 is set, can eliminate because thickness changes the concentrated problem of bringing of stress suddenly.
Preferably, the end 12 of said inside liner 1 is provided with hydraulic fluid port and/or connecting thread, and the said first fibrous composite layer 2 is arranged on the outside of the intermediate portion 11 and the transition part 13 of said inside liner 1.Thereby can on end 12, form the hydraulic fluid port and/or the connecting thread of cylinder body as required in advance; And this hydraulic fluid port and/or connecting thread are not covered by the first fibrous composite layer 2, isolation layer 3 and the second fibrous composite layer 4 (if any); Thereby the technology capability of this cylinder body is better, need not to process hydraulic fluid port and/or connecting thread more extraly on the other materials layer (the for example first fibrous composite layer 2, isolation layer 3 and the second fibrous composite layer 4) beyond inside liner 1.
On the other hand, the present invention also provides a kind of concrete pumping equipment, and wherein, the cylinder body of the pumping cylinder of this concrete pumping equipment is the cylinder body of actuator cylinder as indicated above.
Also on the other hand, the present invention also provides a kind of production method of cylinder body of actuator cylinder, and wherein, this method comprises: form the inside liner step: form inside liner 1; And integrating step: adopt first lamination coating and matrix resin to form the outside that the first fibrous composite layer 2 also is attached to this first fibrous composite layer 2 said inside liner 1.
Through technique scheme, the cylinder body of actuator cylinder comprises the inside liner 1 and the first fibrous composite layer 2, because fibrous composite is compared with existing metallic material; Weight is lighter under equality strength; And fatigue resistance and corrosion resistance are better, and thermal expansivity is less, can make therefore that the cylinder strength of this actuator cylinder is big, weight is light, fatigue resistance and corrosion resistance be better; And thermal expansivity is less, thereby makes this actuator cylinder to be more widely used.In addition, because the inside liner of cylinder body can satisfy the sealing of inboard wall of cylinder block and the requirement of the wear resistance that contact with piston, so can not influence the usability of cylinder body.
Said inside liner 1 can select for use the various suitable material of the requirement of sealing that can satisfy inboard wall of cylinder block and the wear resistance that contacts with piston to process, and for example can adopt the existing metallic material that is generally used for making cylinder body to process.
The said first fibrous composite layer 2 can adopt various suitable lamination coatings and matrix resin compound and process, and lamination coating for example can be selected from one or more in glass fibre, aramid fibre, superhigh molecular weight polyethylene fibers, the graphite fiber.Preferably, in said integrating step, adopt graphite fiber and matrix resin to form the said first fibrous composite layer 2.Carbon fiber composite has lightweight, high tenacity, high rigidity, good vibration damping property, endurance and series of advantages such as corrosion-resistant.Carbon fibre material can be compounded to form carbon fiber composite with various matrix resins; This matrix resin for example can be unsaturated polyester, vinylite, phenolic resin etc., and preferably adopting process property is better, intensity is higher and toughness epoxy-resin systems preferably.In the lamination coating that is used to form the first fibrous composite layer 2, what have is conductive material, and what have is non-conducting material; Preferably, in said formation inside liner step, through conductive material (metallic material for example; More specifically, 27SiMn for example) form said inside liner 1; In said integrating step, form the said first fibrous composite layer 2 through conductive material (for example carbon fiber composite); And said production method also comprises formation isolation layer step: before said integrating step, outside said inside liner 1, form isolation layer 3 earlier, thereby make this isolation layer 3 between the said inside liner 1 and the first fibrous composite layer 2.Thereby can prevent electrochemical corrosion to occur between the inside liner 1 and the first fibrous composite layer 2, prolong the life-span of the cylinder body of actuator cylinder.Isolation layer 3 can adopt various appropriate insulation materials to process, and for example can be selected from glass fibre, aramid fibre, superhigh molecular weight polyethylene fibers, the basalt fibre one or more.For example can form isolation layer through lamination coating cloth (for example glass fiber cloth) being coated on inside liner 1 outside mode.Isolation layer 3 for example can stick on the inside liner 1 through the high tenacity adhesive.
Can adopt various suitable modes to form and combine the first fibrous composite layer, preferably, in said integrating step, first lamination coating that adopts the wet method winding process will be soaked with the pencil of matrix resin is wrapped in the outside of said inside liner 1.Specifically, behind the liquid-state epoxy resin that can the first continuous fiber impregnation be configured, be wound on the inside liner 1 that fixes, accomplish the winding of fiber through Stetch Wrapping Machine wrapping wire mouth.The prepared product of wet method winding shaping can be given full play to the characteristics of composite material, make goods obtain desired structural behaviour to greatest extent, and the moulding cost is lower, and technology is comparatively simple.
More preferably; When twining first fibrous composite of said pencil; The bearing of trend of first fibrous composite of said pencil and said cylinder body axially between angle be 70 ° to 90 °, promptly the winding angle of first fibrous composite is 70 ° to 90 °.Because the radial force of cylinder body is generally the stressed 2-3 of hoop doubly, this winding angle can improve the radial strength of cylinder body, just improves the mechanical property of cylinder body, reduces the integral thickness of cylinder body, for cylinder body provides good fatigue performance.
Preferably, this production method also comprises: at the said first fibrous composite layer, the 2 outside second fibrous composite layer 4 that forms.This second fibrous composite layer 4 helps to improve the performance that cylinder body bears foreign impacts.The second fibrous composite layer 4 can adopt various suitable lamination coatings and matrix resin compound and form, and for example can be selected from glass fibre, aramid fibre, superhigh molecular weight polyethylene fibers, the basalt fibre one or more.For example, can pass through at the said first fibrous composite layer, the 2 outside coating second lamination coating cloth, and the matrix resin in the said first fibrous composite layer 2 is infiltrated in the said second lamination coating cloth, thereby form the said second fibrous composite layer 4.Certainly, when forming the second fibrous composite layer 4, also can on the second lamination coating cloth, soak matrix resin extraly, and not adopt the matrix resin in the first fibrous composite layer 2.
The present invention does not relate to the change to the global shape of the cylinder body of said actuator cylinder; That is to say; The structure of the global shape of the cylinder body of actuator cylinder can be identical with the cylinder body of existing actuator cylinder, can be roughly the cylindrical of hollow, and be provided with connecting thread and/or hydraulic fluid port etc. at two ends.The main inventive point of the present invention is cylinder body is divided into a plurality of material layers, thereby improves intensity, the weight reduction of cylinder body, and improves corrosion resistance and fatigue resistance, reduces thermal expansivity.A plurality of material layers of cylinder body (for example above-mentioned inside liner 1, the first fibrous composite layer 2, isolation layer 3 and the second fibrous composite layer 4) can adopt homogeneous thickness or uneven thickness separately.Preferably, said formation inside liner step comprises: the liner base that is roughly hollow cylindrical material is provided; And machining processes: the mode through machining (for example turning) is with the segment thickness attenuate of said liner base material; Comprise intermediate portion 11 and two ends 12 that lay respectively at these intermediate portion 11 both sides so that said inside liner 1 forms, the thickness of said intermediate portion 11 is less than the thickness of said end 12.Intermediate portion 11 and two ends 12 be axial arranged along cylinder body roughly; Inside liner 1 roughly forms the structure of being small at both ends and big in the middle; This not only is beneficial to processing and import and export is set, and the 12 pairs of intermediate portions in two ends, the 11 outer fibrous composites that form are had certain fixation.
More preferably, in said machining processes, make also to form transition part 13 between each said end 12 and the said intermediate portion 11 that the thickness of said transition part 13 carries out the transition to the thickness of said intermediate portion 11 from the thickness of said end 12.Through transition part 13 is set, can eliminate because thickness changes the concentrated problem of bringing of stress suddenly.
More preferably, in said formation inside liner step, also form hydraulic fluid port and/or connecting thread in the end 12 of said inside liner 1; In said integrating step, the said first fibrous composite layer 2 is combined in the outside of the intermediate portion 11 and the transition part 13 of said inside liner 1.Thereby can on end 12, form the hydraulic fluid port and/or the connecting thread of cylinder body as required in advance; And this hydraulic fluid port and/or connecting thread are not covered by the first fibrous composite layer 2, isolation layer 3 and the second fibrous composite layer 4 (if any); Thereby the technology capability of this cylinder body is better, need not to process hydraulic fluid port and/or connecting thread more extraly on the other materials layer (the for example first fibrous composite layer 2, isolation layer 3 and the second fibrous composite layer 4) beyond inside liner 1.
More preferably, said formation inside liner step also comprises: the sandblast operation, the outer surface of the said inside liner 1 that forms at said machining processes carries out sand blast, with the roughness of the outer surface that improves inside liner 1.Thereby can improve the binding ability of inside liner 1 and other materials layer (for example isolation layer 3, the first fibrous composite layer 2 etc.).
To be example like Fig. 1 to the mode of execution of the cylinder body of actuator cylinder shown in Figure 3, schematic illustration is the manufacture process of this cylinder body once below.
(1) forms inside liner as shown in Figure 31 through mach mode.
(2) adopt the high tenacity adhesive that glass fiber cloth is sticked to intermediate portion 11 outsides of inside liner 1, to form isolation layer 3.
(3) in the outside of isolation layer 3 and the outside of the transition part 13 of inside liner 1 mode of twining through wet method form the first fibrous composite layer 2.
(4) coat glass fiber cloth in the outside of the first fibrous composite layer 2, and the matrix resin in the first fibrous composite layer 2 is immersed in this glass fiber cloth, to form the second fibrous composite layer 4.
(5) above-mentioned cylinder body is put into baking oven, so that be heating and curing moulding.
The cylinder body of above-mentioned actuator cylinder and production method thereof can be applied to various actuator cylinders; Comprise oil hydraulic cylinder, cylinder etc., this cylinder body for example can be widely used as the cylinder body of the actuator cylinder in the various engineering machinery such as concrete mixer, hoist, excavator, fire-fighting truck, high-altitude operation vehicle, environmental sanitation machinery.
More than combine accompanying drawing to describe preferred implementation of the present invention in detail; But; The present invention is not limited to the detail in the above-mentioned mode of execution; In technical conceive scope of the present invention, can carry out multiple simple variant to technological scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove that in addition each the concrete technical characteristics described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various mode of execution of the present invention, as long as it is without prejudice to thought of the present invention, it should be regarded as the disclosed content of the present invention equally.
Claims (23)
1. the cylinder body of an actuator cylinder; It is characterized in that; This cylinder body comprises inside liner (1) and is combined in the first fibrous composite layer (2) of the outside of this inside liner (1) that the said first fibrous composite layer (2) is composited by first lamination coating and matrix resin.
2. the cylinder body of actuator cylinder according to claim 1 is characterized in that, said inside liner (1) is processed by metallic material.
3. the cylinder body of actuator cylinder according to claim 1; It is characterized in that; Said inside liner (1) and the said first fibrous composite layer (2) are processed by conductive material, also are provided with isolation layer (3) between the said inside liner (1) and the first fibrous composite layer (2).
4. the cylinder body of actuator cylinder according to claim 1 is characterized in that, the said first fibrous composite layer (2) is composited by graphite fiber and matrix resin.
5. the cylinder body of actuator cylinder according to claim 1; It is characterized in that; The outside of the said first fibrous composite layer (2) also is provided with the second fibrous composite layer (4), and the said second fibrous composite layer (4) is composited by second lamination coating and matrix resin.
6. according to the cylinder body of any described actuator cylinder in the claim 1 to 5; It is characterized in that; Said inside liner (1) is roughly tubular; Comprise intermediate portion (11) and lay respectively at two ends (12) of this intermediate portion (11) both sides, the thickness of said intermediate portion (11) is less than the thickness of said end (12).
7. the cylinder body of actuator cylinder according to claim 6; It is characterized in that; Also have transition part (13) between each said end (12) and the said intermediate portion (11), the thickness of said transition part (13) carries out the transition to the thickness of said intermediate portion (11) from the thickness of said end (12).
8. the cylinder body of actuator cylinder according to claim 7; It is characterized in that; Said transition part (13) comprises ramp (131) and is arranged on the lug boss (132) on this ramp (131) that the thickness of said ramp (131) carries out the transition to the thickness of said intermediate portion (11) gradually equably from the thickness of said end (12).
9. the cylinder body of actuator cylinder according to claim 7; It is characterized in that; The end (12) of said inside liner (1) is provided with hydraulic fluid port and/or connecting thread, and the said first fibrous composite layer (2) is arranged on the outside of the intermediate portion (11) and the transition part (13) of said inside liner (1).
10. a concrete pumping equipment is characterized in that, the cylinder body of the pumping cylinder of this concrete pumping equipment is the cylinder body according to any described actuator cylinder in the claim 1 to 9.
11. the production method of the cylinder body of an actuator cylinder is characterized in that, this method comprises:
Form the inside liner step: form inside liner (1); And
Integrating step: adopt first lamination coating and matrix resin to form the outside that the first fibrous composite layer (2) also is attached to this first fibrous composite layer (2) said inside liner (1).
12. the production method of the cylinder body of actuator cylinder according to claim 11 is characterized in that, in said formation inside liner step, forms said inside liner (1) through metallic material.
13. the production method of the cylinder body of actuator cylinder according to claim 11 is characterized in that,
In said formation inside liner step, form said inside liner (1) through conductive material;
In said integrating step, form the said first fibrous composite layer (2) through conductive material; And
Said production method also comprises formation isolation layer step: before said integrating step; Outside said inside liner (1), form isolation layer (3) earlier, thereby make this isolation layer (3) be positioned between the said inside liner (1) and the first fibrous composite layer (2).
14. the production method of the cylinder body of actuator cylinder according to claim 11 is characterized in that, in said integrating step, adopts graphite fiber and matrix resin to be compounded to form the said first fibrous composite layer (2).
15. the production method of the cylinder body of actuator cylinder according to claim 11 is characterized in that, in said integrating step, first lamination coating that adopts the wet method winding process will be soaked with the pencil of matrix resin is wrapped in the outside of said inside liner (1).
16. the production method of the cylinder body of actuator cylinder according to claim 15; It is characterized in that; When twining first lamination coating of said pencil, the angle between the bearing of trend of first lamination coating of said pencil and said cylinder body axial is 70 ° to 90 °.
17. the production method of the cylinder body of actuator cylinder according to claim 11 is characterized in that, this production method also comprises: at the outside second fibrous composite layer (4) that forms of the said first fibrous composite layer (2).
18. the production method of the cylinder body of actuator cylinder according to claim 17; It is characterized in that; At the outside second lamination coating cloth that coats of the said first fibrous composite layer (2); Matrix resin in the said first fibrous composite layer (2) is infiltrated in the said second lamination coating cloth, thereby form the said second fibrous composite layer (4).
19. the production method according to the cylinder body of any described actuator cylinder in the claim 11 to 18 is characterized in that, said formation inside liner step comprises:
The liner base that is roughly hollow cylindrical material is provided; And
Machining processes: through the segment thickness attenuate of mach mode with said liner base material; So that said inside liner (1) forms two ends (12) that comprise intermediate portion (11) and lay respectively at this intermediate portion (11) both sides, the thickness of said intermediate portion (11) is less than the thickness of said end (12).
20. the production method of the cylinder body of actuator cylinder according to claim 19; It is characterized in that; In said machining processes; Also make to form transition part (13) between each said end (12) and the said intermediate portion (11), the thickness of said transition part (13) carries out the transition to the thickness of said intermediate portion (11) from the thickness of said end (12).
21. the production method of the cylinder body of actuator cylinder according to claim 20; It is characterized in that; In said machining processes; Make also said transition part (13) form and comprise ramp (131) and be arranged on the lug boss (132) on this ramp (131) that the thickness of said ramp (131) carries out the transition to the thickness of said intermediate portion (11) gradually equably from the thickness of said end (12).
22. the production method of the cylinder body of actuator cylinder according to claim 20; It is characterized in that; Said formation inside liner step also comprises: the sandblast operation; The outer surface of the said inside liner (1) that forms at said machining processes carries out sand blast, with the roughness of the outer surface that improves inside liner (1).
23. the production method of the cylinder body of actuator cylinder according to claim 19 is characterized in that,
In said formation inside liner step, also form hydraulic fluid port and/or connecting thread in the end (12) of said inside liner (1);
In said integrating step, the said first fibrous composite layer (2) is combined in the outside of the intermediate portion (11) and the transition part (13) of said inside liner (1).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210195986.3A CN102705293B (en) | 2012-06-14 | 2012-06-14 | Cylinder body of actuating cylinder, manufacturing method thereof and concrete pumping equipment using same |
| PCT/CN2012/086108 WO2013185451A1 (en) | 2012-06-14 | 2012-12-07 | Method for manufacturing cylinder body of actuating cylinder and concrete pumping apparatus |
| EP12878834.6A EP2749776A1 (en) | 2012-06-14 | 2012-12-07 | Method for manufacturing cylinder body of actuating cylinder and concrete pumping apparatus |
| IN740KON2014 IN2014KN00740A (en) | 2012-06-14 | 2012-12-07 |
Applications Claiming Priority (1)
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| CN201210195986.3A CN102705293B (en) | 2012-06-14 | 2012-06-14 | Cylinder body of actuating cylinder, manufacturing method thereof and concrete pumping equipment using same |
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| Publication Number | Publication Date |
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| CN102705293A true CN102705293A (en) | 2012-10-03 |
| CN102705293B CN102705293B (en) | 2014-04-09 |
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| CN201210195986.3A Active CN102705293B (en) | 2012-06-14 | 2012-06-14 | Cylinder body of actuating cylinder, manufacturing method thereof and concrete pumping equipment using same |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2749776A1 (en) |
| CN (1) | CN102705293B (en) |
| IN (1) | IN2014KN00740A (en) |
| WO (1) | WO2013185451A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013185452A1 (en) * | 2012-06-14 | 2013-12-19 | 中联重科股份有限公司 | Method for manufacturing cylinder body of actuating cylinder |
| WO2013185451A1 (en) * | 2012-06-14 | 2013-12-19 | 中联重科股份有限公司 | Method for manufacturing cylinder body of actuating cylinder and concrete pumping apparatus |
| CN103470755A (en) * | 2013-09-11 | 2013-12-25 | 中联重科股份有限公司 | Piston cylinder and manufacturing method thereof |
| CN103727092A (en) * | 2014-01-24 | 2014-04-16 | 武汉理工大学 | Hydraulic cylinder of carbon fiber composite material |
| CN104454763A (en) * | 2014-12-02 | 2015-03-25 | 荣成复合材料有限公司 | Method for manufacturing composite material hydraulic oil cylinder and telescopic boom |
| CN104832487A (en) * | 2014-09-18 | 2015-08-12 | 北汽福田汽车股份有限公司 | Cylinder barrel transition connector of driving cylinder and driving cylinder with cylinder barrel transition connector |
| CN105587709A (en) * | 2016-03-17 | 2016-05-18 | 中联重科股份有限公司 | Hydraulic cylinder |
| CN106103989A (en) * | 2014-03-28 | 2016-11-09 | Ｋｙｂ株式会社 | Hydraulic rotating equipment |
| 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 |
| CN108953600A (en) * | 2018-06-26 | 2018-12-07 | 河南德佰特机电设备制造有限公司 | A kind of cylinder barrel reducing weight |
| CN109340209A (en) * | 2018-10-29 | 2019-02-15 | 山西平阳重工机械有限责任公司 | The double telescopic oil cylinders of carbon fiber for motor-car rescue |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015224913B4 (en) * | 2015-12-10 | 2023-12-21 | Festo Se & Co. Kg | Fluid actuator |
| US10272991B2 (en) | 2016-06-23 | 2019-04-30 | Goodrich Corporation | Metallic composite joint |
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| US4971846A (en) * | 1987-11-16 | 1990-11-20 | Tre Corporation | Thermoplastic cylinder and process for manufacturing same |
| JPH0634047A (en) * | 1992-07-15 | 1994-02-08 | Sumitomo Metal Ind Ltd | Cylinder device |
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| WO2013185451A1 (en) * | 2012-06-14 | 2013-12-19 | 中联重科股份有限公司 | Method for manufacturing cylinder body of actuating cylinder and concrete pumping apparatus |
| WO2013185452A1 (en) * | 2012-06-14 | 2013-12-19 | 中联重科股份有限公司 | Method for manufacturing cylinder body of actuating cylinder |
| CN103470755A (en) * | 2013-09-11 | 2013-12-25 | 中联重科股份有限公司 | Piston cylinder and manufacturing method thereof |
| CN103727092A (en) * | 2014-01-24 | 2014-04-16 | 武汉理工大学 | Hydraulic cylinder of carbon fiber composite material |
| CN106103989B (en) * | 2014-03-28 | 2018-03-06 | Ｋｙｂ株式会社 | Hydraulic rotating equipment |
| CN106103989A (en) * | 2014-03-28 | 2016-11-09 | Ｋｙｂ株式会社 | Hydraulic rotating equipment |
| CN104832487A (en) * | 2014-09-18 | 2015-08-12 | 北汽福田汽车股份有限公司 | Cylinder barrel transition connector of driving cylinder and driving cylinder with cylinder barrel transition connector |
| CN104454763A (en) * | 2014-12-02 | 2015-03-25 | 荣成复合材料有限公司 | Method for manufacturing composite material hydraulic oil cylinder and telescopic boom |
| CN104454763B (en) * | 2014-12-02 | 2017-01-04 | 荣成复合材料有限公司 | A kind of composite hydraulic jack or the manufacture method of telescopic arm |
| CN105587709A (en) * | 2016-03-17 | 2016-05-18 | 中联重科股份有限公司 | Hydraulic cylinder |
| 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 |
| CN108953600A (en) * | 2018-06-26 | 2018-12-07 | 河南德佰特机电设备制造有限公司 | A kind of cylinder barrel reducing weight |
| CN109340209A (en) * | 2018-10-29 | 2019-02-15 | 山西平阳重工机械有限责任公司 | The double telescopic oil cylinders of carbon fiber for motor-car rescue |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013185451A1 (en) | 2013-12-19 |
| IN2014KN00740A (en) | 2015-10-02 |
| CN102705293B (en) | 2014-04-09 |
| EP2749776A1 (en) | 2014-07-02 |
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