CN109594720A - A kind of composite material structural member and application thereof - Google Patents
A kind of composite material structural member and application thereof Download PDFInfo
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- CN109594720A CN109594720A CN201811591112.3A CN201811591112A CN109594720A CN 109594720 A CN109594720 A CN 109594720A CN 201811591112 A CN201811591112 A CN 201811591112A CN 109594720 A CN109594720 A CN 109594720A
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- fiber cloth
- space truss
- structural member
- coupling material
- fiber
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
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- Rod-Shaped Construction Members (AREA)
Abstract
The present invention provides a kind of composite material structural members and application thereof, the composite material structural member includes space truss, coupling material and at least one layer of fiber cloth, the space truss is preset to hollow structure, the coupling material fills up inside the hollow structure of space truss formation, the at least one layer fiber cloth cladding is filled with some or all of space truss of coupling material outer surface, the present invention is by being coated on structural member surface for fiber cloth, bending resistance and the torsional property of structural member can be improved, the cladding mode of fiber cloth can also be designed, to obtain a kind of superior anisotropic structural member of mechanical property, it can also be monitored in real time and adjustment structure part internal temperature by setting temperature control component and heat conduction member in coupling material, the tensile strength for the structural member that the present invention obtains, bending strength and compression strength are up to ironcasting 3 times or more, can pouring molding at normal temperature, adapt to thermal deformation, manufacturing process is simple, is suitble to use of large-scale production.
Description
Technical field
The invention belongs to mechanical field of compound material more particularly to a kind of composite material structural member and application thereof.
Background technique
Recently as equipment manufacture continuous development and " advanced manufacturing technology " concept proposition, equipment manufacture by
Gradually develop to precise treatment, extramalization direction, is mainly shown as enlargement and the compact high precision of manufacturing equipment.Manufacturing equipment
Developing direction for industrial equipment structure design more stringent requirements are proposed, the cross of traditional industry device structure part such as gantry mill
Beam, machine pillar etc. are formed using the isotropism metal material of cast iron, steel etc. as main material using casting technique mostly,
There are many shortcomings.For example, metal material wants its fabrication process parameters of strict control in casting process, to avoid due to residual
Malformation caused by residue stress, cracking, cause manufacturing process more complicated, it is difficult to be controlled, in addition, high rigidity metal material
The damping performance of material is poor, if being used in the equipment relatively high to requirement on machining accuracy such as precision machine tool, in use process
It is middle to will lead to that machined surface is coarse, precision is reduced because of the vibration of machine tool structure, moreover, metal component thermal expansion and contraction is obvious,
When being used for precision equipment, it is more difficult to guarantee the machining accuracy under condition of different temperatures.
In order to increase structural member structural strength and prevent its stress crack or deformation, in the prior art common metal and
The composite material (such as reinforced concrete soil composite material) of coupling material prepares the structural member of large scale equipment, for example,
A kind of three-dimensional fiber grid rib reinforced concrete structural member, including concrete and fiber mesh are disclosed in CN104032898A
Muscle, fiber mesh muscle are multilayer or double-layer structure, and setting passes through connection between inside concrete, neighboring layers fiber mesh muscle
Stick connection, connection direction be it is vertical or oblique, the setting of above structure can be improved the bending resistance and tensile strength of concrete component,
Increase the toughness and cracking resistance of concrete, be suitable for the fields such as bridge plate or building structure, however, its structure belong to it is each to same
Property structure, bending resistance and torsional property are poor, are heated easily-deformable, and manufacturing process is complicated, are not suitable as large-scale precision mechanical equipment
Structural member use.A kind of antifatigue reinforcement means of steel structure girder is disclosed in CN105089288B, which includes
Web, the top flange being formed in above web, the lower flange being formed in below web and the two sides table for being vertically welded in web
The ribs in face, the antifatigue reinforcement means include the following steps of affixing carbon fabric: along the length direction of steel structure girder,
The both side surface of web the first carbon cloth of elongated stickup, first carbon cloth be located at ribs lower end and lower flange it is upper
Between surface；Along the length direction of steel structure girder, the upper and lower surface in lower flange distinguishes the second carbon cloth of elongated stickup and the
Three carbon cloths；Along the length direction of steel structure girder, the 4th carbon cloth of package ribs is pasted in the both side surface of web,
4th carbon cloth is located between the neutral axis of steel structure girder and the lower end of ribs；Along the short transverse of steel structure girder,
By the two sides for each ribs that the 4th carbon cloth wraps up paste package lower flange and be adhered to web both side surface the
Five carbon cloths；Along the short transverse of steel structure girder, package lower flange is pasted respectively simultaneously in two ends of the first carbon cloth
It is adhered to the 6th carbon cloth of the both side surface of web.The above method is carried out by the tired sensitizing range to steel structure girder
It reinforces, is conducive to improve its anti-twisting property and compression strength, however preparation method is complicated, steel construction is heated to be easily deformed,
It is difficult to use as the structural member of large-scale precision mechanical equipment.
On the basis of existing technology, those skilled in the art needs to develop a kind of novel large scale equipment with compound
Material structure part needs it to have the characteristics that simple production process, at low cost and suitable large-scale production, in addition, it is desirable to which it has
Have certain designability, to avoid shock absorption present in the structure materials such as traditional cast iron structural member is poor, thermal stability is poor,
The disadvantages such as anti-twisting property is poor, resistance to compression and tensile strength are low.
Summary of the invention
For the deficiencies in the prior art, the purpose of the present invention is to provide a kind of novel large scale equipments with compound
Material structure part needs it to have the characteristics that simple production process, at low cost and suitable large-scale production, in addition, it is desirable to which it has
Have certain designability, to avoid shock absorption present in the structure materials such as traditional cast iron structural member is poor, thermal stability is poor,
The disadvantages such as anti-twisting property is poor, resistance to compression and tensile strength are low.
For this purpose, one of the objects of the present invention is to provide a kind of composite material structural member, the composite material knot
Component includes space truss, coupling material and at least one layer of fiber cloth.
The space truss is preset to fixed hollow structure, and the coupling material fills up the hollow structure of space truss formation
It is internal.
At least one layer fiber cloth cladding is filled with some or all of space truss of coupling material outer surface.
The cladding, which refers to, is bonded in surface by binder and/or coupling material.
Heretofore described space truss is mainly used for holding member shape in the fabrication process and is welded and fixed a little, this
For coupling material in invention for filling space truss and anchoring fiber cloth, the composite material structural member made has stronger pressure
Contracting intensity, bending resistance and torsional property in the composite material structural member that the fiber cloth of external surface of structural member package can be improved,
Composite material structural member with above structure have manufacturing process it is simple, can curing molding and structural strength at normal temperature
The advantages that high, every mechanical property can more conventional ironcasting can be improved 300% or more.
It preferably, further include heat conduction member in the composite material structural member.
The heat conduction member is fixed in coupling material, is used to hand over so that heat occurs inside coupling material between external environment
It changes, the thermal deformation for the composite material structural member that the setting of above structure can reduce, makes high-precision it is suitable for manufacturing
Large scale equipment, moreover, the setting of heat conduction member can also take away waste heat in component curing molding and use process, with
It reduces structural member internal temperature and eliminates thermal stress.
Preferably, the heat conduction member is hollow or solid thermally conductive coil pipe.
Preferably, the heat conduction member is the hollow thermally conductive coil pipe containing at least one temperature control component, the temperature control component
In contain temperature sensor, the temperature inside structural member can be monitored in real time, the temperature inside structural member be higher than set temperature
When, conductive fluid is passed through in guide hot coil, to take away heat extra inside structural member, structural member cooling is given, conversely, working as structure
When temperature inside part is lower than set temperature, it can be heated by being passed through conductive fluid in guide hot coil to structural member, so that
The temperature of structural member remains constant, to eliminate the thermal deformation of structural member.
Preferably, the fixed point for fixing the composite element is provided on the space truss.
Preferably, the space truss is chou frame.
Preferably, the chou frame is steel construction chou frame, carbon fiber structural chou frame or polymer matrix composites chou
Any one in frame.
Preferably, the space truss is preset to fixed hollow rectangular parallelepiped structure.
Preferably, the coupling material includes the cement and/or resin after solidifying.
Preferably, shock-absorbing filler is also added in the coupling material.
Preferably, in the coupling material, in percentage by weight, the content of shock-absorbing filler is 5~15wt%, for example,
6wt%, 7wt%, 8wt%, 9wt%, 10wt%, 11wt%, 12wt%, 13wt% or 14wt% etc..
Preferably, the shock-absorbing filler is hollow glass micropearl.
Preferably, resistance to compression filler is contained in the coupling material.
Those skilled in the art can select the resistance to compression filler of any content according to actual needs, it is preferable that described anti-
Pressure filler includes the mixture of any one or at least two in gravel, natural gravel or ceramic microsphere.
Preferably, contain chopped strand in the coupling material.
Those skilled in the art can select the chopped strand of any content according to actual needs, it is preferable that described short
Cut fiber be chopped carbon fiber, short glass fiber or chopped basalt fibre in any one or at least two mixing
Object.
Preferably, some or all of the space truss of the inside filled with coupling material outer surface is coated with three layers of fiber
Cloth.
Preferably, the cladding solidifies integral realize by the way that binder and/or coupling material to be impregnated into fiber cloth.
Preferably, the fiber cloth be carbon cloth, Kafra fiber cloth or basalt fiber cloth in any one or
At least two combination.
Preferably, the space truss is preset to fixed hollow rectangular parallelepiped structure, and a side of cuboid is provided with
For fixing the fixed point of the composite element, which is connected to realize the transmitting of stress with space truss, guarantees
The bearing capacity of fixed point, the side surface are coated with one layer of fiber cloth, and each surface of the other faces of cuboid is respectively coated by
There are three layers of fiber cloth.
Three layers of fiber cloth in other surfaces cladding are divided into three layers according to the difference of orientation, specific to coat mode such as
Under:
With any one crossbeam being parallel to the horizontal plane in space truss for 0 °~180 ° directions, inside is filled with connection
The outer surface of the space truss of material is successively coated with one layer and is orientated along 0 °~180 ° fiber cloths being orientated, one layer along 90 °~270 °
Fiber cloth, one layer along 45 °~225 ° and/or -45 °~135 ° be orientated fiber cloth.
The direction of the orientation refers to the orientation of fiber in fiber cloth.
The second object of the present invention is to provide a kind of foregoing composite material structural member answering in mechanical equipment
With.
Numberical range of the present invention not only includes enumerated point value, further includes the above-mentioned numerical value not included
Arbitrary point value between range, as space is limited and for concise consideration, range described in the present invention no longer exclusive list includes
Specific point value.
Compared with prior art, the invention has the benefit that
The present invention obtains a kind of new composite structure using space truss, coupling material and at least one layer of fiber cloth
Part, space truss therein can be used for keeping the shape of structural member in the fabrication process and be welded and fixed a little, and coupling material is used for
Space truss is filled, the mechanics of the fillers lift structure parts such as introducing shock-absorbing filler, resistance to compression filler and chopped strand can be passed through
Performance, fiber cloth, which is coated on structural member surface, can be improved bending resistance and the torsional property of structural member, the cladding mode of fiber cloth
It can also be designed, to obtain a kind of superior anisotropic structural member of mechanical property, can also lead in coupling material
Setting temperature control component and heat conduction member are crossed to monitor in real time and adjustment structure part internal temperature, the drawing for the structural member that the present invention obtains
Stretch intensity, bending strength and compression strength up to 3 times or more of ironcasting, can pouring molding at normal temperature, adapt to thermal change
Shape, manufacturing process is simple, is suitble to use of large-scale production.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram for the composite material structural member that embodiment 1 obtains in the specific embodiment of the invention,
In: 100 be space truss, and 200 be coupling material, and 300 be fiber cloth, and 400 be heat conduction member, and 500 be fixed point.
Fig. 2 be in the specific embodiment of the invention the obtained composite material structural member of embodiment 1 on main view direction
Sectional view, in which: 100 be space truss, and 200 be coupling material, and 301 fiber cloth to be orientated along 0 °~180 °, 302 is along 90 °
The fiber cloths of~270 ° of orientations, 303 is are heat conduction member along the fiber cloth of 45 °~225 ° and -45~135 ° orientations, 400,500
For fixed point.
Fig. 3 is the appearance diagram for the composite material structural member that embodiment 1 obtains in the specific embodiment of the invention.
Specific embodiment
The technical scheme of the invention is further explained by means of specific implementation.
Embodiment 1
A kind of composite material structural member, including space truss 100, coupling material 200 and fiber cloth 300.
The space truss 100 is steel construction chou frame, is preset to fixed hollow rectangular parallelepiped structure, the coupling material
200 fill up the inside of the hollow rectangular parallelepiped structure of the formation of space truss 100, and hollow thermally conductive structure is fixed in coupling material 200
Part 400, the i.e. thermally conductive coil pipe containing temperature control component and temperature sensor, so as to real-time during making and using in structural member
It monitors the temperature of component and structural member is heated or cooled by being passed through conductive fluid, reduce the thermal stress or thermal change of structural member
Shape.
One side of the rectangular parallelepiped structure is provided with the fixed point 500 for fixing the composite element, should
The outer surface of side is coated with one layer of fiber cloth 300, and the surface of the other faces of cuboid is respectively coated with three layers of fiber cloth 300,
The specific cladding mode of other faces is as follows:
With any one crossbeam being parallel to the horizontal plane in space truss 100 for 0 °~180 ° directions, inside is filled with
The outer surface of the space truss 100 of coupling material 200 is successively coated with one layer of 301, one layers of edge of fiber cloth being orientated along 0 °~180 °
302, one layers of fiber cloth 303 being orientated along 45 °~225 ° and -45~135 ° of fiber cloth of 90 °~270 ° orientations.
The cladding by binder and coupling material 200 be impregnated into fiber cloth 300 solidify it is integral realize, it is described
The direction of orientation refers to the orientation of fiber in fiber cloth 300.
The fiber cloth 300 is carbon cloth.
The coupling material 200 in percentage by weight, is grouped as by following group: the intensity of 80wt% is 42.5 or more
Cement, the shock-absorbing filler hollow glass micropearl of 10wt%, the resistance to compression filler ceramic microsphere and short glass fiber of 10wt%.
Embodiment 2
A kind of composite material structural member, including space truss 100, coupling material 200 and fiber cloth 300.
The space truss 100 is steel construction chou frame, is preset to fixed hollow rectangular parallelepiped structure, the coupling material
200 fill up the inside of the hollow rectangular parallelepiped structure of the formation of space truss 100, and hollow thermally conductive structure is fixed in coupling material 200
Part 400, the i.e. thermally conductive coil pipe containing temperature control component and temperature sensor, so as to real-time during making and using in structural member
It monitors the temperature of component and structural member is heated or cooled by being passed through conductive fluid, reduce the thermal stress or thermal change of structural member
Shape.
One side of the rectangular parallelepiped structure is provided with the fixed point 500 for fixing the composite element, should
The outer surface of side is coated with one layer of fiber cloth 300, and the surface of the other faces of cuboid is respectively coated with three layers of fiber cloth 300,
The specific cladding mode of other faces is as follows:
With any one crossbeam being parallel to the horizontal plane in space truss 100 for 0 °~180 ° directions, inside is filled with
The outer surface of the space truss 100 of coupling material 200 is successively coated with one layer of 301, one layers of edge of fiber cloth being orientated along 0 °~180 °
The fiber cloth 302 and one layer of fiber cloth 303 being orientated along 45 °~225 ° of 90 °~270 ° orientations.
The cladding by coupling material 200 is impregnated into fiber cloth 300 solidify it is integral realize, the side of the orientation
To the orientation for referring to fiber in fiber cloth 300.
The fiber cloth 300 is carbon cloth.
The coupling material 200 in percentage by weight, is grouped as by following group: the intensity of 80wt% is 42.5 or more
Cement, the shock-absorbing filler hollow glass micropearl of 10wt%, the chopped basalt fibre of 10wt%.
Embodiment 3
A kind of composite material structural member, including space truss 100, coupling material 200 and fiber cloth 300.
The space truss 100 is steel construction chou frame, is preset to fixed hollow rectangular parallelepiped structure, the coupling material
200 fill up the inside of the hollow rectangular parallelepiped structure of the formation of space truss 100, and hollow thermally conductive structure is fixed in coupling material 200
Part 400, the i.e. thermally conductive coil pipe containing temperature control component and temperature sensor, so as to real-time during making and using in structural member
It monitors the temperature of component and structural member is heated or cooled by being passed through conductive fluid, reduce the thermal stress or thermal change of structural member
Shape.
One side of the rectangular parallelepiped structure is provided with the fixed point 500 for fixing the composite element, should
The outer surface of side is coated with one layer of fiber cloth 300, and the surface of the other faces of cuboid is respectively coated with three layers of fiber cloth 300,
The specific cladding mode of other faces is as follows:
With any one crossbeam being parallel to the horizontal plane in space truss 100 for 0 °~180 ° directions, inside is filled with
The outer surface of the space truss 100 of coupling material 200 is successively coated with one layer of 301, one layers of edge of fiber cloth being orientated along 0 °~180 °
The fiber cloth 302 and one layer of fiber cloth 303 being orientated along 45 °~225 ° of 90 °~270 ° orientations.
The cladding by coupling material 200 is impregnated into fiber cloth 300 solidify it is integral realize, the side of the orientation
To the orientation for referring to fiber in fiber cloth 300.
The fiber cloth 300 is carbon cloth.
The coupling material 200 in percentage by weight, is grouped as by following group: the intensity of 80wt% is 42.5 or more
Cement, the shock-absorbing filler hollow glass micropearl of 10wt%, the resistance to compression filler natural gravel of 10wt%.
Embodiment 4
A kind of composite material structural member, including space truss 100, coupling material 200 and fiber cloth 300.
The space truss 100 is steel construction chou frame, is preset to fixed hollow rectangular parallelepiped structure, the coupling material
200 fill up the inside of the hollow rectangular parallelepiped structure of the formation of space truss 100, and hollow thermally conductive structure is fixed in coupling material 200
Part 400, the i.e. thermally conductive coil pipe containing temperature control component and temperature sensor, so as to real-time during making and using in structural member
It monitors the temperature of component and structural member is heated or cooled by being passed through conductive fluid, reduce the thermal stress or thermal change of structural member
Shape.
One side of the rectangular parallelepiped structure is provided with the fixed point 500 for fixing the composite element, should
The outer surface of side is coated with one layer of fiber cloth 300, and the surface of the other faces of cuboid is respectively coated with three layers of fiber cloth 300,
The specific cladding mode of other faces is as follows:
With any one crossbeam being parallel to the horizontal plane in space truss 100 for 0 °~180 ° directions, inside is filled with
The outer surface of the space truss 100 of coupling material 200 is successively coated with one layer of 301, one layers of edge of fiber cloth being orientated along 0 °~180 °
The fiber cloth 302 and one layer of fiber cloth 303 being orientated along 45 °~225 ° of 90 °~270 ° orientations.
The cladding by coupling material 200 is impregnated into fiber cloth 300 solidify it is integral realize, the side of the orientation
To the orientation for referring to fiber in fiber cloth 300.
The fiber cloth 300 is carbon cloth.
The coupling material 200 in percentage by weight, is grouped as by following group: the intensity of 85wt% is 42.5 or more
Cement, the shock-absorbing filler hollow glass micropearl of 15wt%.
Embodiment 5
A kind of composite material structural member, including space truss 100, coupling material 200 and fiber cloth 300.
The space truss 100 is steel construction chou frame, is preset to fixed hollow rectangular parallelepiped structure, the coupling material
200 fill up the inside of the hollow rectangular parallelepiped structure of the formation of space truss 100, and hollow thermally conductive structure is fixed in coupling material 200
Part 400, the i.e. thermally conductive coil pipe containing temperature control component and temperature sensor, so as to real-time during making and using in structural member
It monitors the temperature of component and structural member is heated or cooled by being passed through conductive fluid, reduce the thermal stress or thermal change of structural member
Shape.
One side of the rectangular parallelepiped structure is provided with the fixed point 500 for fixing the composite element, should
The outer surface of side is coated with one layer of fiber cloth 300, and the surface of the other faces of cuboid is respectively coated with three layers of fiber cloth 300,
The specific cladding mode of other faces is as follows:
With any one crossbeam being parallel to the horizontal plane in space truss 100 for 0 °~180 ° directions, inside is filled with
The outer surface of the space truss 100 of coupling material 200 is successively coated with one layer of 301, one layers of edge of fiber cloth being orientated along 0 °~180 °
The fiber cloth 302 and one layer of fiber cloth 303 being orientated along 45 °~225 ° of 90 °~270 ° orientations.
The cladding by coupling material 200 is impregnated into fiber cloth 300 solidify it is integral realize, the side of the orientation
To the orientation for referring to fiber in fiber cloth 300.
The fiber cloth 300 is carbon cloth.
The coupling material 200 is the cement that intensity is 42.5 or more.
Embodiment 6
A kind of composite material structural member, including space truss 100, coupling material 200 and fiber cloth 300.
The space truss 100 is steel construction chou frame, is preset to fixed hollow rectangular parallelepiped structure, the coupling material
200 fill up the inside of the hollow rectangular parallelepiped structure of the formation of space truss 100.
One side of the rectangular parallelepiped structure is provided with the fixed point 500 for fixing the composite element, should
The outer surface of side is coated with one layer of fiber cloth 300, and the surface of the other faces of cuboid is respectively coated with three layers of fiber cloth 300,
The specific cladding mode of other faces is as follows:
With any one crossbeam being parallel to the horizontal plane in space truss 100 for 0 °~180 ° directions, inside is filled with
The outer surface of the space truss 100 of coupling material 200 is successively coated with one layer of 301, one layers of edge of fiber cloth being orientated along 0 °~180 °
The fiber cloth 302 and one layer of fiber cloth 303 being orientated along 45 °~225 ° of 90 °~270 ° orientations.
The cladding by binder-impregnated solidified into fiber cloth 300 it is integral realize, the direction of the orientation
Refer to the orientation of fiber in fiber cloth 300.
The fiber cloth 300 is Kafra fiber cloth.
The coupling material 200 in percentage by weight, is grouped as by following group: the intensity of 80wt% is 42.5 or more
Cement, the shock-absorbing filler hollow glass micropearl of 10wt%, the resistance to compression filler ceramic microsphere and short glass fiber of 10wt%.
Embodiment 7
A kind of composite material structural member, including space truss 100, coupling material 200 and fiber cloth 300.
The space truss 100 is steel construction chou frame, is preset to fixed hollow rectangular parallelepiped structure, the coupling material
200 fill up the inside of the hollow rectangular parallelepiped structure of the formation of space truss 100, and hollow thermally conductive structure is fixed in coupling material 200
Part 400, the i.e. thermally conductive coil pipe containing temperature control component and temperature sensor, so as to real-time during making and using in structural member
It monitors the temperature of component and structural member is heated or cooled by being passed through conductive fluid, reduce the thermal stress or thermal change of structural member
Shape.
One side of the rectangular parallelepiped structure is provided with the fixed point 500 for fixing the composite element, long
Whole outer surfaces of cube structure are coated with one layer of fiber cloth 300.
The cladding solidifies integral realize by the way that coupling material 200 to be impregnated into fiber cloth 300.
The fiber cloth 300 is carbon cloth.
The coupling material 200 in percentage by weight, is grouped as by following group: the intensity of 80wt% is 42.5 or more
Cement, the shock-absorbing filler hollow glass micropearl of 10wt%, the resistance to compression filler ceramic microsphere and short glass fiber of 10wt%.
Reference examples 1
Difference with embodiment 1 is only that, fiber cloth is not contained in the composite material structural member.
Testing example 1 is distinguished according to method described in standard GB/T/T 1348-2009 " nodular iron casting standard "
Tensile strength, bending strength and the compression strength of~7 composite material structural members obtained with reference examples 1, and with standard cast iron
The performance of structural member compares.
The result that is obtained according to above-mentioned test it is found that the composite material structural member that the embodiment of the present invention 1~7 obtains stretching
Intensity is 580~680MPa, the tensile strength (200~300MPa) of remote overproof ironcasting, bending strength and compression strength
It is 2~3 times or so of standard ironcasting.
Arranged with tensile strength, the performance superiority and inferiority of the composite material structural member that various embodiments of the present invention and reference examples obtain according to
Secondary is 1 > embodiment of embodiment, 2 > embodiment, 3 > embodiment, 4 > embodiment, 6 > embodiment, 5 > embodiment, 7 > reference examples 1.
In conclusion the present invention obtained using space truss, coupling material and at least one layer of fiber cloth it is a kind of new compound
Material structure part, space truss therein can be used for keeping the shape of structural member in the fabrication process and be welded and fixed a little, connection
Ramming material, can be by introducing the fillers lift structures such as shock-absorbing filler, resistance to compression filler and chopped strand for filling space truss
The mechanical property of part, fiber cloth, which is coated on structural member surface, can be improved bending resistance and the torsional property of structural member, fiber cloth
Cladding mode can also be designed, to obtain a kind of superior anisotropic structural member of mechanical property, in coupling material
It can also be monitored in real time by setting temperature control component and heat conduction member with adjustment structure part internal temperature, the knot that the present invention obtains
Tensile strength, bending strength and the compression strength of component up to 3 times or more of ironcasting, can pouring molding at normal temperature, energy
Thermal deformation is adapted to, manufacturing process is simple, is suitble to use of large-scale production.
The Applicant declares that the foregoing is merely a specific embodiment of the invention, but protection scope of the present invention not office
It is limited to this, it should be clear to those skilled in the art, any to belong to those skilled in the art and take off in the present invention
In the technical scope of dew, any changes or substitutions that can be easily thought of, and all of which fall within the scope of protection and disclosure of the present invention.
Claims (10)
1. a kind of composite material structural member, which is characterized in that the composite material structural member includes space truss (100), is coupled
Expect (200) and at least one layer of fiber cloth (300)；
The space truss (100) is preset to fixed hollow structure, and the coupling material (200) fills up space truss (100) shape
At hollow structure inside；
It is described at least one layer fiber cloth (300) coat be filled with coupling material (200) space truss (100) part or
Whole outer surfaces.
2. composite material structural member according to claim 1, which is characterized in that further include in the composite material structural member
Heat conduction member (400)；
The heat conduction member (400) is fixed in coupling material (200), be used for so that coupling material (200) it is internal with external environment it
Between heat exchange occurs；
Preferably, the heat conduction member (400) is hollow or solid thermally conductive coil pipe；
Preferably, the heat conduction member (400) is the hollow thermally conductive coil pipe containing at least one temperature control component.
3. composite element according to claim 1 or 2, which is characterized in that be provided on the space truss (100)
For fixing the fixed point (500) of the composite element.
4. composite element described according to claim 1~one of 3, which is characterized in that the space truss (100) is ball
Tie frame；
Preferably, the chou frame is in steel construction chou frame, carbon fiber structural chou frame or polymer matrix composites chou frame
Any one；
Preferably, the space truss (100) is preset to fixed hollow rectangular parallelepiped structure.
5. composite element described according to claim 1~one of 4, which is characterized in that the coupling material (200) includes solid
Cement and/or resin after change；
Preferably, shock-absorbing filler is also added in the coupling material (200)；
Preferably, in the coupling material (200), in percentage by weight, the content of shock-absorbing filler is 5~15wt%；
Preferably, the shock-absorbing filler is hollow glass micropearl.
6. composite element described according to claim 1~one of 5, which is characterized in that contain in the coupling material (200)
Resistance to compression filler；
Preferably, the resistance to compression filler include in gravel, natural gravel or ceramic microsphere any one or at least two it is mixed
Close object.
7. composite element described according to claim 1~one of 6, which is characterized in that contain in the coupling material (200)
Chopped strand；
Preferably, the chopped strand is any one in chopped carbon fiber, short glass fiber or chopped basalt fibre
Or at least two mixture.
8. composite element described according to claim 1~one of 7, which is characterized in that the inside is filled with coupling material
(200) some or all of space truss (100) outer surface is coated with three layers of fiber cloth (300)；
Preferably, the cladding is integral by the way that binder and/or coupling material (200) are impregnated into solidification in fiber cloth (300)
To realize；
Preferably, the fiber cloth be carbon cloth, Kafra fiber cloth or basalt fiber cloth in any one or at least
Two kinds of combination.
9. composite element described according to claim 1~one of 7, which is characterized in that the space truss (100) is default
At fixed hollow rectangular parallelepiped structure, a side of cuboid is provided with the fixed point for fixing the composite element
(500), surface is coated with one layer of fiber cloth (300), and each surface of the other faces of cuboid has been respectively coated by three layers of fiber cloth
(300)；
Three layers of fiber cloth in other surfaces cladding are divided into three layers according to the difference of orientation, and specific cladding mode is as follows:
With any one crossbeam being parallel to the horizontal plane in space truss (100) for 0 °~180 ° directions, inside is filled with connection
The outer surface of the space truss (100) of ramming material (200) is successively coated with one layer along 0 °~180 ° fiber cloths (301) being orientated, one
Layer is along 90 °~270 ° fiber cloths (302) being orientated, one layer of fiber cloth being orientated along 45 °~225 ° and/or -45 °~135 °
(303)。
10. a kind of application of composite material structural member as described in one of claim 1~9 in mechanical equipment.
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| CN112193055A (en) * | 2020-10-13 | 2021-01-08 | 西安电子科技大学芜湖研究院 | High-efficient radiating car thermal management system |
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Application publication date: 20190409 |