CN102705293B - Cylinder body of actuating cylinder, manufacturing method thereof and concrete pumping equipment - Google Patents
Cylinder body of actuating cylinder, manufacturing method thereof and concrete pumping equipment Download PDFInfo
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- CN102705293B CN102705293B CN201210195986.3A CN201210195986A CN102705293B CN 102705293 B CN102705293 B CN 102705293B CN 201210195986 A CN201210195986 A CN 201210195986A CN 102705293 B CN102705293 B CN 102705293B
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- inside liner
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Laminated Bodies (AREA)
- Actuator (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a cylinder body of an actuating cylinder, which comprises an inner lining layer (1) and a first fiber composite material layer (2) combined outside the inner lining layer, wherein the first fiber composite material layer is formed by compounding a first fiber material and matrix resin. A concrete pumping device with the cylinder body is also disclosed. Correspondingly, the invention also discloses a manufacturing method of the cylinder body of the actuating cylinder, which comprises the following steps: and forming an inner liner layer: forming an inner liner layer; and a combining step: a first fiber composite layer is formed using a first fiber material and a matrix resin and bonded to an exterior of the inner liner layer. Through the technical scheme, the cylinder body of the actuating cylinder is high in strength, light in weight, good in fatigue resistance and corrosion resistance and low in thermal expansion. In addition, the inner liner of the cylinder body can meet the requirements of the sealing property of the inner wall of the cylinder body and the wear resistance of the inner liner in contact with the piston, so that the use performance of the cylinder body cannot be influenced.
Description
Technical field
The present invention relates to actuator cylinder field, particularly, relate to a kind of manufacture 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 take oil hydraulic cylinder as example, for example, in concrete pumping equipment (concrete mixer), conventionally all include oil hydraulic cylinder, for driving the to-and-fro motion of concrete cylinder, thus delivering concrete.In concrete mechanism, increasing concrete conveyance work adopts concrete mixer to complete at present.Along with the high speed development of concreting machinery technology, engineer operation requires concrete conveyance to higher farther distance, and the selected material of the parts such as the jib of concreting machinery, oil hydraulic cylinder is all to high-strength light future development.The cylinder body of existing oil hydraulic cylinder is made by single alloy steel material, because the density of alloyed steel is larger, makes the own wt of oil hydraulic cylinder larger, has seriously limited the increase of concrete pump truck arm length, has restricted the development of concrete mixer.Therefore, develop and a kind ofly can meet concrete mixer requirement of strength simultaneously to have again the cylinder body of the oil hydraulic cylinder that quality is light significant to long-armed future development for concrete mixer.In addition, the shortcoming such as the cylinder body of the actuator cylinder of being made by single alloyed steel also has fatigue resistance and corrosion resistance is poor and thermal expansivity is larger, thus make the application of actuator cylinder limited.
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 large, weight is light, fatigue resistance and corrosion resistance better, and thermal expansivity is less, thereby actuator cylinder can be more widely used.Another object of the present invention is to provide a kind of manufacture 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 outside fibrous composite layer that is combined in this inside liner, and described the first fibrous composite layer is composited by the 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 described above.
Also on the other hand, the present invention also provides a kind of manufacture method of cylinder body of actuator cylinder, and wherein, the method comprises: form inside liner step: form inside liner; And integrating step: employing the first lamination coating and matrix resin form the first fibrous composite layer and this first fibrous composite layer be attached to the outside of described inside liner.
Pass through technique scheme, the cylinder body of actuator cylinder comprises inside liner and the first fibrous composite layer, because fibrous composite is compared with existing metallic material, under equality strength, weight is lighter, and fatigue resistance and corrosion resistance better, thermal expansivity is less, therefore can make the cylinder strength of this actuator cylinder large, weight is light, fatigue resistance and corrosion resistance better, and thermal expansivity is less, thereby this actuator cylinder can be more widely used.In addition,, because the inside liner of cylinder body can meet the sealing of inboard wall of cylinder block and the requirement of the wear resistance that contacts with piston, therefore can not affect the usability of cylinder body.
Other features and advantages of the present invention partly in detail are described the embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for specification, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is according to the cross-sectional schematic of 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 in Fig. 1;
Fig. 3 is the overall structure schematic diagram of inside liner of the cylinder body of actuator cylinder as shown in Figure 1.
Description of reference numerals
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
As depicted in figs. 1 and 2, provide a kind of cylinder body of actuator cylinder according to one embodiment of the present invention, wherein, this cylinder body comprises inside liner 1 and is combined in the first outside fibrous composite layer 2 of this inside liner 1.
Pass through technique scheme, the cylinder body of actuator cylinder comprises inside liner 1 and the first fibrous composite layer 2, because fibrous composite is compared with existing metallic material, under equality strength, weight is lighter, and fatigue resistance and corrosion resistance better, thermal expansivity is less, therefore can make the cylinder strength of this actuator cylinder large, weight is light, fatigue resistance and corrosion resistance better, and thermal expansivity is less, thereby this actuator cylinder can be more widely used.In addition,, because the inside liner of cylinder body can meet the sealing of inboard wall of cylinder block and the requirement of the wear resistance that contacts with piston, therefore can not affect the usability of cylinder body.
Described inside liner 1 can select the various suitable material of the requirement of the wear resistance that can meet the sealing of inboard wall of cylinder block and contact with piston to make, for example, can adopt the existing metallic material that is generally used for manufacturing cylinder body to make.
The fibrous composite of mentioning in the present invention (for example fibrous composite of the first fibrous composite layer 2, the second fibrous composite layer 4) refers to the material being composited by lamination coating and matrix resin, namely fiber-resin composite.
Described the first fibrous composite layer 2 can adopt various suitable lamination coatings and matrix resin compound and make, lamination coating for example can be selected from one or more in glass fibre, aramid fibre, superhigh molecular weight polyethylene fibers, carbon fiber.Preferably, the first fibrous composite layer 2 is made by carbon fibre material and matrix resin.Carbon fiber composite has lightweight, high strength, high rigidity, good vibration damping, endurance and the 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 is such as thinking unsaturated polyester, vinylite, phenolic resin etc., and preferably adopting process better, intensity is higher and the good epoxy-resin systems of toughness.In being used to form the lamination coating of the first fibrous composite layer 2, what have is conductive material, what have is non-conducting material, when described inside liner 1 and the first fibrous composite layer 2 are made by conductive material, (for example inside liner 1 is made by metallic material, the first fibrous composite layer is made by carbon fiber composite) time, preferably, between described inside liner 1 and the first fibrous composite layer 2, be also provided with isolation layer 3.Thereby can prevent from occurring electrochemical corrosion between inside liner 1 and the first fibrous composite layer 2, extend the life-span of the cylinder body of actuator cylinder.Isolation layer 3 can adopt various suitable insulating material to make, for example, can be selected from one or more in glass fibre, aramid fibre, superhigh molecular weight polyethylene fibers, basalt fibre.Isolation layer 3 for example can stick on inside liner 1 by high tenacity adhesive.
Preferably, as depicted in figs. 1 and 2, the outside of described the first fibrous composite layer 2 is also provided with the second fibrous composite layer 4.This second fibrous composite layer 4 contributes 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, 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 described 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 at two ends, be provided with connecting thread and/or hydraulic fluid port etc., wherein connecting thread is mainly used in being connected with the end cap of actuator cylinder, and hydraulic fluid port is mainly used in being connected with the working oil path of actuator cylinder, so that working oil path is communicated with the active chamber in cylinder body.The main inventive point of the present invention is cylinder body to be 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 uniform thickness or inhomogeneous thickness separately.Preferably, as shown in Figure 1 to Figure 3, described inside liner 1 is roughly tubular, comprises intermediate portion 11 and two ends 12 that lay respectively at these intermediate portion 11 both sides, and the thickness of described intermediate portion 11 is less than the thickness of described 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 is not only beneficial to processing and import and export is set, and the fibrous composite of the 12 pairs of intermediate portion 11 outer formation in two ends is had to certain fixation.
More preferably, described in each, between end 12 and described intermediate portion 11, also have transition part 13, the thickness of described transition part 13 is transitioned into the thickness of described intermediate portion 11 from the thickness of described end 12.By transition part 13 is set, can eliminate because thickness changes suddenly the concentrated problem of stress of bringing.
Preferably, on the end 12 of described inside liner 1, be provided with hydraulic fluid port and/or connecting thread, described the first fibrous composite layer 2 is arranged on the outside of intermediate portion 11 and the transition part 13 of described inside liner 1.Thereby can on end 12, form in advance as required hydraulic fluid port and/or the connecting thread of cylinder body, and this hydraulic fluid port and/or connecting thread are by the first fibrous composite layer 2, isolation layer 3 and the second fibrous composite layer 4(not if any) cover, thereby the technology capability of this cylinder body is better, for example, without processing extraly again hydraulic fluid port and/or connecting thread on the other materials layer (the 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 described above.
Also on the other hand, the present invention also provides a kind of manufacture method of cylinder body of actuator cylinder, and wherein, the method comprises: form inside liner step: form inside liner 1; And integrating step: employing the first lamination coating and matrix resin form the first fibrous composite layer 2 and this first fibrous composite layer 2 be attached to the outside of described inside liner 1.
Pass through technique scheme, the cylinder body of actuator cylinder comprises inside liner 1 and the first fibrous composite layer 2, because fibrous composite is compared with existing metallic material, under equality strength, weight is lighter, and fatigue resistance and corrosion resistance better, thermal expansivity is less, therefore can make the cylinder strength of this actuator cylinder large, weight is light, fatigue resistance and corrosion resistance better, and thermal expansivity is less, thereby this actuator cylinder can be more widely used.In addition,, because the inside liner of cylinder body can meet the sealing of inboard wall of cylinder block and the requirement of the wear resistance that contacts with piston, therefore can not affect the usability of cylinder body.
Described inside liner 1 can select the various suitable material of the requirement of the wear resistance that can meet the sealing of inboard wall of cylinder block and contact with piston to make, for example, can adopt the existing metallic material that is generally used for manufacturing cylinder body to make.
Described the first fibrous composite layer 2 can adopt various suitable lamination coatings and matrix resin compound and make, lamination coating for example can be selected from one or more in glass fibre, aramid fibre, superhigh molecular weight polyethylene fibers, carbon fiber.Preferably, in described integrating step, adopt carbon fiber and matrix resin to form described the first fibrous composite layer 2.Carbon fiber composite has lightweight, high strength, high rigidity, good vibration damping, endurance and the 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 is such as thinking unsaturated polyester, vinylite, phenolic resin etc., and preferably adopting process better, intensity is higher and the good epoxy-resin systems of toughness.In being used to form the lamination coating of the first fibrous composite layer 2, what have is conductive material, and what have is non-conducting material, preferably, in described formation inside liner step, for example, by conductive material (metallic material, more specifically, 27SiMn for example) form described inside liner 1; In described integrating step, for example, by conductive material (carbon fiber composite), form described the first fibrous composite layer 2; And described manufacture method also comprises formation isolation layer step: before described integrating step, first at the outer formation isolation layer 3 of described inside liner 1, thereby make this isolation layer 3 between described inside liner 1 and the first fibrous composite layer 2.Thereby can prevent from occurring electrochemical corrosion between inside liner 1 and the first fibrous composite layer 2, extend the life-span of the cylinder body of actuator cylinder.Isolation layer 3 can adopt various suitable insulating material to make, for example, can be selected from one or more in glass fibre, aramid fibre, superhigh molecular weight polyethylene fibers, basalt fibre.For example can for example, by lamination coating cloth (glass fiber cloth) being coated on to the mode of inside liner 1 outside, form isolation layer.Isolation layer 3 for example can stick on inside liner 1 by high tenacity adhesive.
Can adopt various suitable modes to form and in conjunction with the first fibrous composite layer, preferably, in described integrating step, adopt wet-winding craft the first lamination coating that is soaked with the pencil of matrix resin to be wrapped in to the outside of described inside liner 1.Specifically, after the liquid-state epoxy resin that the first continuous fiber impregnation can be configured, through Stetch Wrapping Machine wrapping wire mouth, be wound on the inside liner 1 fixing, complete the winding of fiber.The Wet Winding Process prepared product that is shaped can be given full play to the feature of composite material, make goods obtain to greatest extent desired structural behaviour, and moulding cost is lower, and technique is comparatively simple.
More preferably, when being wound around the first fibrous composite of described pencil, the bearing of trend of the first fibrous composite of described pencil and described cylinder body axially between angle be 70 ° to 90 °, the winding angle of the 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, namely improves the mechanical property of cylinder body, reduces the integral thickness of cylinder body, for cylinder body provides good fatigue performance.
Preferably, this manufacture method also comprises: at the outside second fibrous composite layer 4 that forms of described the first fibrous composite layer 2.This second fibrous composite layer 4 contributes 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, for example can be selected from one or more in glass fibre, aramid fibre, superhigh molecular weight polyethylene fibers, basalt fibre.For example, can pass through at outside coated the second lamination coating cloth of described the first fibrous composite layer 2, and the matrix resin in described the first fibrous composite layer 2 is infiltrated in described the second lamination coating cloth, thereby form described the 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 described 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 at two ends, be provided with connecting thread and/or hydraulic fluid port etc.The main inventive point of the present invention is cylinder body to be 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 uniform thickness or inhomogeneous thickness separately.Preferably, described formation inside liner step comprises: the liner base material that is roughly hollow cylindrical is provided; And machining processes: for example, mode by machining (turning) is by the segment thickness attenuate of described liner base material, so that described inside liner 1 forms two ends 12 that comprise intermediate portion 11 and lay respectively at these intermediate portion 11 both sides, the thickness of described intermediate portion 11 is less than the thickness of described 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 is not only beneficial to processing and import and export is set, and the fibrous composite of the 12 pairs of intermediate portion 11 outer formation in two ends is had to certain fixation.
More preferably, in described machining processes, also make between end 12 and described intermediate portion 11, to form transition part 13 described in each, the thickness of described transition part 13 is transitioned into the thickness of described intermediate portion 11 from the thickness of described end 12.By transition part 13 is set, can eliminate because thickness changes suddenly the concentrated problem of stress of bringing.
More preferably, in described formation inside liner step, also in the end 12 of described inside liner 1, form hydraulic fluid port and/or connecting thread; In described integrating step, described the first fibrous composite layer 2 is combined in to the outside of intermediate portion 11 and the transition part 13 of described inside liner 1.Thereby can on end 12, form in advance as required hydraulic fluid port and/or the connecting thread of cylinder body, and this hydraulic fluid port and/or connecting thread are by the first fibrous composite layer 2, isolation layer 3 and the second fibrous composite layer 4(not if any) cover, thereby the technology capability of this cylinder body is better, for example, without processing extraly again hydraulic fluid port and/or connecting thread on the other materials layer (the first fibrous composite layer 2, isolation layer 3 and the second fibrous composite layer 4) beyond inside liner 1.
More preferably, described formation inside liner step also comprises: sandblast operation, the outer surface of the described inside liner 1 forming at described machining processes carries out sand blast, to improve the roughness of the outer surface of inside liner 1.Thereby can improve the binding ability of inside liner 1 and other materials layer (such as isolation layer 3, the first fibrous composite layer 2 etc.).
The mode of execution of the cylinder body of actuator cylinder as shown in Figure 1 to Figure 3 of take is below example, and schematic illustration is the manufacture process of this cylinder body once.
(1) by mach mode, form inside liner 1 as shown in Figure 3.
(2) adopt high tenacity adhesive glass fiber cloth to be 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 mode of the outside of the transition part 13 of inside liner 1 by Wet Winding Process form the first fibrous composite layer 2.
(4) at the coated 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, to be heating and curing moulding.
The cylinder body of above-mentioned actuator cylinder and manufacture method thereof can be applied to various actuator cylinders, comprise oil hydraulic cylinder, cylinder etc., this cylinder body is such as the cylinder body that can be widely used as the actuator cylinder in the various engineering machinery such as concrete mixer, hoist, excavator, fire-fighting truck, high-altitude operation vehicle, environmental sanitation machinery.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive 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.
It should be noted that in addition each the concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible compound modes.
In addition, between various mode of execution of the present invention, also can carry out combination in any, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (17)
1. a cylinder body for actuator cylinder, this cylinder body comprises inside liner (1) and is combined in the first outside fibrous composite layer (2) of this inside liner (1), described the first fibrous composite layer (2) is composited by the first lamination coating and matrix resin; Described inside liner (1) is roughly tubular, comprises intermediate portion (11) and lays respectively at two ends (12) of this intermediate portion (11) both sides, and the thickness of described intermediate portion (11) is less than the thickness of described end (12); Between end described in each (12) and described intermediate portion (11), also have transition part (13), the thickness of described transition part (13) is transitioned into the thickness of described intermediate portion (11) from the thickness of described end (12); It is characterized in that, described transition part (13) comprises ramp (131) and is arranged on the lug boss (132) in this ramp (131), and the thickness of described ramp (131) is transitioned into the thickness of described intermediate portion (11) gradually equably from the thickness of described end (12).
2. the cylinder body of actuator cylinder according to claim 1, is characterized in that, described inside liner (1) is made by metallic material.
3. the cylinder body of actuator cylinder according to claim 1, it is characterized in that, described inside liner (1) and described the first fibrous composite layer (2) are made by conductive material, between described inside liner (1) and the first fibrous composite layer (2), are also provided with isolation layer (3).
4. the cylinder body of actuator cylinder according to claim 1, is characterized in that, described the first fibrous composite layer (2) is composited by carbon fiber and matrix resin.
5. the cylinder body of actuator cylinder according to claim 1, it is characterized in that, the outside of described the first fibrous composite layer (2) is also provided with the second fibrous composite layer (4), and described the second fibrous composite layer (4) is composited by the second lamination coating and matrix resin.
6. according to the cylinder body of the actuator cylinder described in any one in claim 1～5, it is characterized in that, at least one in two ends (12) of described inside liner (1) is provided with hydraulic fluid port and/or connecting thread, and described the first fibrous composite layer (2) is arranged on the outside of intermediate portion (11) and the outside of transition part (13) of described inside liner (1).
7. a concrete pumping equipment, is characterized in that, the cylinder body of the pumping cylinder of this concrete pumping equipment is according to the cylinder body of the actuator cylinder described in any one in claim 1 to 6.
8. a manufacture method for the cylinder body of actuator cylinder, the method comprises:
Forming inside liner step comprises:
The liner base material that is roughly hollow cylindrical is provided; And
Machining processes: by mach mode by the segment thickness attenuate of described liner base material, so that described 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 described intermediate portion (11) is less than the thickness of described end (12);
In described machining processes, also make between end (12) and described intermediate portion (11), to form transition part (13) described in each, the thickness of described transition part (13) is transitioned into the thickness of described intermediate portion (11) from the thickness of described end (12);
It is characterized in that, in described machining processes, also make described transition part (13) form and comprise ramp (131) and be arranged on the lug boss (132) in this ramp (131), the thickness of described ramp (131) is transitioned into the thickness of described intermediate portion (11) gradually equably from the thickness of described end (12);
Integrating step: adopt the first lamination coating and matrix resin to form the first fibrous composite layer (2) and also this first fibrous composite layer (2) is attached to the outside of described inside liner (1).
9. the manufacture method of the cylinder body of actuator cylinder according to claim 8, is characterized in that, in described formation inside liner step, by metallic material, forms described inside liner (1).
10. the manufacture method of the cylinder body of actuator cylinder according to claim 8, is characterized in that,
In described formation inside liner step, by conductive material, form described inside liner (1);
In described integrating step, by conductive material, form described the first fibrous composite layer (2); And
Described manufacture method also comprises formation isolation layer step: before described integrating step, first outside described inside liner (1), form isolation layer (3), thereby this isolation layer (3) is positioned between described inside liner (1) and the first fibrous composite layer (2).
The manufacture method of the cylinder body of 11. actuator cylinders according to claim 8, is characterized in that, in described integrating step, adopts carbon fiber and matrix resin to be compounded to form described the first fibrous composite layer (2).
The manufacture method of the cylinder body of 12. actuator cylinders according to claim 8, is characterized in that, in described integrating step, adopts wet-winding craft the first lamination coating that is soaked with the pencil of matrix resin to be wrapped in to the outside of described inside liner (1).
The manufacture method of the cylinder body of 13. actuator cylinders according to claim 12, it is characterized in that, when being wound around the first lamination coating of described pencil, the angle between the bearing of trend of the first lamination coating of described pencil and described cylinder body axial is 70 ° to 90 °.
The manufacture method of the cylinder body of 14. actuator cylinders according to claim 8, is characterized in that, this manufacture method also comprises: at the outside second fibrous composite layer (4) that forms of described the first fibrous composite layer (2).
The manufacture method of the cylinder body of 15. actuator cylinders according to claim 14, it is characterized in that, at outside coated the second lamination coating cloth of described the first fibrous composite layer (2), matrix resin in described the first fibrous composite layer (2) is infiltrated in described the second lamination coating cloth, thereby form described the second fibrous composite layer (4).
The manufacture method of the cylinder body of 16. actuator cylinders according to claim 8, it is characterized in that, described formation inside liner step also comprises: sandblast operation, the outer surface of the described inside liner (1) forming at described machining processes carries out sand blast, to improve the roughness of the outer surface of inside liner (1).
The manufacture method of the cylinder body of 17. actuator cylinders according to claim 8, is characterized in that,
In described formation inside liner step, also at least one in two ends (12) of described inside liner (1) forms hydraulic fluid port and/or connecting thread;
In described integrating step, described the first fibrous composite layer (2) is combined in to the outside of intermediate portion (11) and the outside of transition part (13) of described 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 |
| EP12878834.6A EP2749776A1 (en) | 2012-06-14 | 2012-12-07 | Method for manufacturing cylinder body of actuating cylinder and concrete pumping apparatus |
| PCT/CN2012/086108 WO2013185451A1 (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)
| 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 |
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| CN102705293A CN102705293A (en) | 2012-10-03 |
| CN102705293B true 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 |
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| Country | Link |
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| EP (1) | EP2749776A1 (en) |
| CN (1) | CN102705293B (en) |
| IN (1) | IN2014KN00740A (en) |
| WO (1) | WO2013185451A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689436A (en) * | 2012-06-14 | 2012-09-26 | 中联重科股份有限公司 | Method for manufacturing cylinder body of actuating cylinder |
| CN102705293B (en) * | 2012-06-14 | 2014-04-09 | 中联重科股份有限公司 | Cylinder body of actuating cylinder, manufacturing method thereof and concrete pumping equipment |
| CN103470755B (en) * | 2013-09-11 | 2015-12-23 | 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 |
| JP6368517B2 (en) * | 2014-03-28 | 2018-08-01 | Ｋｙｂ株式会社 | Hydraulic rotating machine |
| 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 |
| 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 |
| DE102015224913B4 (en) * | 2015-12-10 | 2023-12-21 | Festo Se & Co. Kg | Fluid actuator |
| CN105587709B (en) * | 2016-03-17 | 2018-03-06 | 中联重科股份有限公司 | Hydraulic cylinder |
| US10272991B2 (en) * | 2016-06-23 | 2019-04-30 | Goodrich Corporation | Metallic composite joint |
| 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 |
| CN109340209B (en) * | 2018-10-29 | 2020-11-27 | 山西平阳重工机械有限责任公司 | Carbon fiber double telescopic cylinder for motor vehicle rescue |
| CN111590916A (en) * | 2020-04-24 | 2020-08-28 | 哈尔滨新科锐复合材料制造有限公司 | Police carbon fiber composite sound wave generator inner shell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3793104A (en) * | 1972-03-31 | 1974-02-19 | Lawron Ind Ltd | Process for restoring and covering suction couch shells |
| 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 |
| 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 |
| DE19649133C1 (en) * | 1996-11-27 | 1998-03-05 | Dornier Gmbh | Hydraulic cylinder |
| AT502447B1 (en) * | 2004-11-25 | 2007-06-15 | Hoelzl Margit | CYLINDERS FOR HIGH-PRESSURE HYDRAULICS |
| WO2006099671A1 (en) * | 2005-03-22 | 2006-09-28 | Quickstep Technologies Pty Ltd | Composite tube production |
| JP4669318B2 (en) * | 2005-05-11 | 2011-04-13 | カヤバ工業株式会社 | Cylinder barrel |
| CN101362387A (en) * | 2007-08-10 | 2009-02-11 | 武济群 | Method for manufacturing composite pipe |
| CN101900246B (en) * | 2010-07-28 | 2011-09-07 | 国营江北机械厂 | Solidification method of fiber-wound gas cylinder |
| CN202597323U (en) * | 2012-06-14 | 2012-12-12 | 中联重科股份有限公司 | Cylinder body of actuating cylinder and concrete pumping equipment |
| CN102689436A (en) * | 2012-06-14 | 2012-09-26 | 中联重科股份有限公司 | Method for manufacturing cylinder body of actuating cylinder |
| CN102705293B (en) * | 2012-06-14 | 2014-04-09 | 中联重科股份有限公司 | Cylinder body of actuating cylinder, manufacturing method thereof and concrete pumping equipment |
| CN102720721A (en) * | 2012-07-02 | 2012-10-10 | 江苏恒神纤维材料有限公司 | Carbon fiber composite material reinforcing hydraulic oil cylinder |
-
2012
- 2012-06-14 CN CN201210195986.3A patent/CN102705293B/en active Active
- 2012-12-07 EP EP12878834.6A patent/EP2749776A1/en not_active Withdrawn
- 2012-12-07 WO PCT/CN2012/086108 patent/WO2013185451A1/en not_active Ceased
- 2012-12-07 IN IN740KON2014 patent/IN2014KN00740A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IN2014KN00740A (en) | 2015-10-02 |
| CN102705293A (en) | 2012-10-03 |
| WO2013185451A1 (en) | 2013-12-19 |
| EP2749776A1 (en) | 2014-07-02 |
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