CN105924901A - Friction wheel for small power generation device - Google Patents
Friction wheel for small power generation device Download PDFInfo
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- CN105924901A CN105924901A CN201610298007.5A CN201610298007A CN105924901A CN 105924901 A CN105924901 A CN 105924901A CN 201610298007 A CN201610298007 A CN 201610298007A CN 105924901 A CN105924901 A CN 105924901A
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- friction pulley
- generating apparatus
- electric generating
- revolving part
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/34—Non-adjustable friction discs
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention relates to the technical field of generators, in particular to a friction wheel for a small power generation device. The friction wheel is arranged on the upper side of the small power generation device and is connected with a generator of the small power generation device. The friction wheel comprises a rotating part and a rubber ring, the rotating part is fixedly sleeved with the rubber ring, a boss is integrally formed in the circle center of the rotating part, an installing hole is formed in the boss, the rotating part, the boss and the installing holes are coaxially arranged, the rotating part is made of wear-resisting alloy steel, and the rubber ring is made of an epoxy resin composite material. The friction wheel is used for making contact with a bicycle wheel, the whole device is simple in structure, the transmission effect between the friction wheel and the bicycle wheel is good, the rotating part on the friction wheel is made of the wear-resisting alloy steel of reasonable compatibility, and the rubber ring on the friction wheel is made of the epoxy resin composite material, so that wear resistance of the friction wheel is improved substantially, relative wear between the friction wheel and the bicycle wheel is small, and the friction wheel is long in service life.
Description
Technical field
The present invention relates to a kind of technical field of generators, particularly relate to a kind of friction for small-sized electric generating apparatus
Wheel.
Background technology
Society now, along with people are for demand more and more higher of the energy, the pollution that the energy brings is more and more tighter
Weight, people start to advocate energy-conserving and environment-protective, use green energy resource.Some small-sized electric generating apparatus enter people gradually
Life, such as self generation type wrist-watch, can be along with the swing power generation of arm.Existing one is for bicycle especially
Being the small-sized electric generating apparatus of bicycle, it is electricity that this device is mainly the power-conversion of wheel during bicycle walking
Power, cycle wheel rotates and drives the generator rotation of TRT to produce electric power specifically.Fill in this generating
In putting, needing the active force by cycle wheel rotates to be transferred on electromotor, general employing friction pulley is carried out
The transmission of power, friction pulley is this TRT generating effective ring, key of length in service life.Need exploitation
A kind of friction pulley, simple in construction, and the wheel drive of bicycle are worked good so that this TRT generating effect
The best.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of friction pulley for small-sized electric generating apparatus, this friction
Wheel construction is simple, low cost of manufacture, and it is convenient to change, and well can coordinate with cycle wheel transmission simultaneously, send out
Electricity is effective, and wearability is good, and service life is long.
In order to solve described technical problem, technical scheme: a kind of friction for small-sized electric generating apparatus
Wheel, is arranged on the upside of the electromotor of small-sized electric generating apparatus, is connected with the electromotor of small-sized electric generating apparatus, including rotation
Turning part and rubber ring, described rubber ring socket is fixed on revolving part, at described revolving part home position one
Body formed have a boss, is provided with installing hole in described boss, and described revolving part, boss, installing hole are coaxial
Arranging, described revolving part is made up of wear-resisting alloy steel, and described rubber ring is made up of epoxy resin composite material.
Described revolving part is made up of wear-resisting alloy steel, the constituent of described wear-resisting alloy steel and percent mass thereof
Ratio is: C:0.3-0.6%, Cu:2.2-3.0%, Mn:1.2-1.8%, Ti:0.05-0.1%, Ni:0.006-0.015%,
Mg:0.5-1.2%, B:0.005-0.008%, Zr:0.05-0.2%, Nb:0.1-0.2%, Ta:0.02-0.5%,
Rare earth element: 0.02-0.04%, surplus is Fe and inevitable impurity.
Revolving part of the present invention is made up of wear-resisting alloy steel, adds Zr, Ta, Ti on the basis of common alloy steel
Deng element, and with the addition of rare earth element and play the effect of microalloying, collaborative by produce between each element
It is tough that effect makes it have higher intensity and good corrosion and heat resistant, oxidation resistance, anti-fatigue performance, fracture
Property etc. combination property, and then improve friction pulley service life.In revolving part wear-resisting alloy steel, C not only may be used
With stable austenite tissue, moreover it is possible to the hardening constituent that the alloying element such as Zr, Ta, Ti forms strong carbide.Separately
Outward, alloying element Ti, Nb and N have the strongest affinity, and in casting process, inevitably carry
Enter N, accordingly, it would be desirable to alloying elements such as conservative control N and Ti, Nb, make N Yu Ti and Nb be formed
TiN and NNb granule, Dispersed precipitate in the alloy, plays the effect of dispersion-strengtherning, improves cobalt-based high-temperature and closes
The performances such as gold stress breaking life at high temperature.But, the granule such as TiN that N is formed with alloying element is extremely difficult
Decompose, can cluster be present in alloy melt, process of setting promotes as core the analysis of the carbides such as TiC
Going out and fast growth, massive carbide blocks interdendritic passage, reduces mobility and the feeding of aluminium alloy,
Thus the microporosity in alloy structure can be caused substantially to increase and the reduction of alloy mechanical property.Therefore, close
The content of gold element and the content of N element brought in casting process are required for strictly controlling.
As preferably, the constituent of described wear-resisting alloy steel and mass percent thereof be: C:0.4-0.6%,
Cu:2.2-2.8%, Mn:1.4-1.8%, Ti:0.05-0.08%, Ni:0.01-0.015%, Mg:0.6-1.0%,
B:0.005-0.008%, Zr:0.06-0.15%, Nb:0.12-0.18%, Ta:0.05-0.3%, rare earth element:
0.02-0.04%, surplus is Fe and inevitable impurity.
As preferably, content >=60% of La in rare earth element.The rare earth element added in antifriction alloy is predominantly
The mixture of La or La and other rare earth element, thus play the effect of microalloying, with the gas such as hydrogen and
Many nonmetallic inclusions generate the compound that fusing point is high, reach dehydrogenation, refine, purification.Meanwhile, also may be used
Optionally to adsorb on the crystal grain boundary grown up, hinder the growth of crystal grain, make crystal grain refine, have rotten
Effect, thus improve the combination property of antifriction alloy.
Described rubber ring is made up of epoxy resin composite material, and epoxy resin composite material includes following composition
Composition and parts by weight thereof:
Bisphenol f type epoxy resin: 80-100 part
The polymer resin of non-epoxy: 40-60 part
Aramid IIII fiber: 5-20 part
Silicon dioxide: 3-15 part
Crosslinking rubber: 8-20 part
Modifying agent: 5-15 part.
The Material cladding of rubber ring of the present invention uses epoxy resin and the polymer resin of non-epoxy, and by adding
Adding reinforcing material aramid IIII fiber, in filament wound composite, fiber subjects Main Load, epoxy resin
With the intrinsic potential that the polymer resin of non-epoxy gives full play to fiber, not only at longitudinal compression, cross directional stretch
Play an important role with under the load effects such as compression, shearing, also dominate other mechanical properties of composite resin,
Such as interlaminar shear strength and modulus, compressive strength and buckling strength etc..The high property that epoxy resin itself has
Can, by the compound action with the polymer resin of non-epoxy, more jointly act on alkali-free glass fibre, carry
The high combination property of rubber ring, the most high temperature resistant, corrosion-resistant, radiation hardness, weatherability, flame resistant, resistance to
The performance that aging grade is relevant with environment.
As preferably, the polymer resin of described non-epoxy is Noblen and ethylene/octene
The mixture that 3-5:1 in mass ratio mixes.
As preferably, the particle diameter of described aramid IIII fiber is 15-20 μm.Described aramid IIII fiber is for passing through
Acetic anhydride processes aramid IIII fiber modified for 15h at 100 DEG C.Through acetic anhydride-modified, reach to increase virtue
Synthetic fibre III surface roughness and specific area, and change the purpose of fiber surface chemical composition, epoxy resin can be increased multiple
The interfacial bond property of condensation material.On the one hand it is because acetic anhydride-modified having preferable corrasion, makes fiber table
Face becomes coarse, increases the mechanical interlock effect at the contact area between matrix and fiber and interface, the opposing party
Face, this processing method all changes the chemical element composition of fiber surface, reduces O/C.
As preferably, described silicon dioxide is nanometer silicon dioxide particle I and nanometer silicon dioxide particle II
Mixture, wherein the size of silica dioxide granule I is that 150-250 μm, the size of silica dioxide granule II are
500-600nm.The present invention granulated staged part system by two kinds of sizes, plays good potentiation,
When making stress impact simultaneously, large-size particle can also be collided while mutually colliding between little granule, enter
Row is repeatedly decayed, thus plays good damping of shocks effect, improves shock resistance and the rub resistance of clamp structure
Energy.
Further preferably, in the mixture of silica dioxide granule I and silica dioxide granule II, described titanium dioxide
The content of silicon grain I accounts for the 40-60% of mixture gross mass, and it is total that the content of silica dioxide granule II accounts for mixture
The 40-60% of quality.
As preferably, described crosslinking rubber is the butadiene-styrene rubber cross-linked.
As preferably, described modifying agent is N, N'-(4,4'-methylenediphenyl) BMI, maleic acid
One or both in acid anhydride grafted polystyrene.
Epoxy resin composite material also includes the constituent of some routines, as compatilizer, antioxidant, auxiliary agent,
Fire retardant, filler etc., all can be selected for the most commercially available.
As preferably, described revolving part outer peripheral face is provided with some little convex bodys, sets inside described rubber ring
There is and the recess of relative set consistent with little convex body quantity.
As preferably, being provided with screwed hole in described installing hole, the power input shaft of electromotor is plugged on described
It is fixedly connected with revolving part by thread connection in installing hole.
As preferably, described boss is provided with pin-and-hole, and described pin-and-hole is vertically arranged with the axis of boss, sends out
The power input shaft of motor is fixedly connected with revolving part by latch connection in being plugged on described installing hole.
As preferably, the outer peripheral face of described revolving part is provided with chamfering.
The invention have the advantages that
1, the present invention uses friction pulley to contact with cycle wheel, the mechanical energy rotated by cycle wheel
Being converted into electric energy to store, between friction pulley and cycle wheel, transmission is effective；
2, the outside socket rubber ring of friction pulley directly contacts with cycle wheel so that friction pulley with
Relative wear between cycle wheel is less, and service life is long, friction pulley and differential mechanism use screw thread grafting or
Being that pin joint is fixed, dismounting is simple, it is simple to takes off whole friction pulley and is replaced rubber ring.
3, the revolving part on friction pulley is made up of the rational wear-resisting alloy steel of compatibility, on the basis of common alloy steel
The upper element such as Zr, Ta, Ti that adds, and with the addition of rare earth element and play the effect of microalloying, by with respectively
The synergism produced between element improves intensity and good corrosion and heat resistant, the oxidation resistance of revolving part, resists
The combination property such as fatigue behaviour, fracture toughness, and then improve the service life of friction pulley.
4, the rubber ring on friction pulley is made up of epoxy resin composite material, the epoxy resin of rubber ring of the present invention
Composite uses epoxy resin and the polymer resin of non-epoxy, and fine by adding reinforcing material aramid fiber III
Dimension, and fire retardant, modifying agent etc., increase substantially the combination property of rubber ring, the most high temperature resistant, resistance to
Burn into radiation hardness, weatherability, flame resistant, the performance relevant with environment such as ageing-resistant, and then improve friction pulley
Service life.
5, whole apparatus structure is simple, and low cost of manufacture, power is relatively small, will not be to the traveling of bicycle
Produce significantly impact.
Accompanying drawing explanation
Fig. 1 is present invention installation diagram in small-sized electric generating apparatus；
Fig. 2 is the structural representation of friction pulley in the present invention；
In figure: 1, friction pulley；3, electromotor；4, connecting tube；5, storage electricity box；6, connection holes；7、
Boss；8, revolving part；9, rubber ring.
Detailed description of the invention
Below by combining the drawings and specific embodiments, technical scheme is described in further detail.
See in figure, the invention provides a kind of friction pulley 1 for small-sized electric generating apparatus, small-sized electric generating apparatus master
On non power driven vehicle to be used for, especially bicycle, small-sized electric generating apparatus is arranged on bicycle, utilizes certainly
The kinetic energy that vehicle wheel rotates generates electricity.Friction pulley 1 is then the connection of connecting generator 3 and cycle wheel
Parts, are transferred to the active force of cycle wheel on electromotor 3, deposit between friction pulley 1 and cycle wheel
In abrasion, time length to be replaced, it is desirable to provide a kind of simple in construction, wear and tear less, changes convenient
Friction pulley 1.
The friction pulley 1 that the present invention provides is split-type structural, and friction pulley 1 includes discoid revolving part 8 and rubber
Circle 9, revolving part 8 is made up of wear-resisting alloy steel, and rubber ring 9 is made up of epoxy resin composite material, rubber ring
9 are fixed by socket on revolving part 8, are contacted with cycle wheel by rubber ring 9, can reduce friction pulley
Abrasion between 1 and cycle wheel, meanwhile, only need to change rubber ring 9 during replacing.At revolving part 8
Outer peripheral face on integrally formed with some little convex bodys, the inner side of rubber ring 9 is provided with and matches with little convex body
Recess, during assembling, is installed to the little convex body on revolving part 8 on rubber ring 9 in corresponding recess, so sets
Put and can prevent rubber ring 9 from coming off from revolving part 8, it is possible to prevent from occurring between rubber ring 9 with revolving part 8 phase
To slip, affect transmission effect.
Preferably, the outer peripheral face of revolving part 8 arranges chamfering, rubber ring 9 can be facilitated at revolving part
Dismount on 8.
The center of revolving part 8 is integrally formed with a boss 7, and boss 7 is provided with a connection holes 6.Connection holes
6, being between boss 7, revolving part 8 and be coaxially disposed, during rotation, stationarity is good.Connection holes 6 is blind hole.
As a kind of preferred version, being provided with screw thread in connection holes 6, revolving part 8 is socketed in by this connection holes 6
On the power input shaft of electromotor 3, the power input shaft of electromotor 3 is fixed with revolving part 8 by thread connection
Coupling, whole draw bail is simple, easy accessibility, it is simple to take off friction pulley 1 and keep in repair or change rubber ring 9.
As another kind of preferred version, connection holes 6 is provided with pin-and-hole, and pin-and-hole is vertical with the axis of connection holes 6,
After the power input shaft of electromotor 3 is plugged in connection holes 6, the power input shaft of electromotor 3 by bearing pin with
Revolving part 8 is fixedly connected.
Below by specific embodiment to the revolving part 8 in the friction pulley of small-sized electric generating apparatus and rubber ring 9
It is described further.
Embodiment 1
A kind of friction pulley for small-sized electric generating apparatus as shown in Figure 1-2, including discoid revolving part and rubber
Enclosing, revolving part is made up of wear-resisting alloy steel, and rubber ring is made up of epoxy resin composite material.
The constituent of described wear-resisting alloy steel and mass percent thereof be: C:0.5%, Cu:2.5%, Mn:
1.6%, Ti:0.06%, Ni:0.012%, Mg:0.8%, B:0.006%, Zr:0.12%, Nb:0.15%,
Ta:0.15%, rare earth element: 0.03%, surplus is Fe and inevitable impurity, La in rare earth element
Content all >=60%, rare earth element is mainly the mixture of La or La and other rare earth element.
The epoxy resin composite material of described rubber ring includes following constituent and parts by weight thereof: Bisphenol F
Type epoxy resin: 90 parts, the polymer resin of non-epoxy: 50 parts, aramid IIII fiber: 15 parts, titanium dioxide
Silicon: 8 parts, the butadiene-styrene rubber of crosslinking: 15 parts, N, N'-(4,4'-methylenediphenyl) BMI: 10
Part.Wherein, the polymer resin of described non-epoxy is Noblen with ethylene/octene by matter
The mixture that amount mixes than 4:1；Described aramid IIII fiber changes for processing 15h at 100 DEG C by acetic anhydride
Particle diameter after property is the aramid IIII fiber of 15-20 μm.Described silicon dioxide is nanometer silicon dioxide particle I He
The mixture of nanometer silicon dioxide particle II, at silica dioxide granule I and the mixture of silica dioxide granule II
In, the content of described silica dioxide granule I accounts for the 50% of mixture gross mass, the content of silica dioxide granule II
Accounting for the 50% of mixture gross mass, the size of silica dioxide granule I is 150-250 μm, silica dioxide granule II
Size be 500-600nm.Epoxy resin composite material also includes the constituent of some routines, as compatilizer,
Antioxidant, auxiliary agent, fire retardant, filler etc., all can be selected for the most commercially available.
Embodiment 2
With differing only in of embodiment 1:
The constituent of described wear-resisting alloy steel and mass percent thereof be: C:0.4%, Cu:2.8%, Mn:
1.4%, Ti:0.05%, Ni:0.01%, Mg:1.0%, B:0.008%, Zr:0.15%, Nb:0.12%,
Ta:0.3%, rare earth element: 0.04%, surplus is Fe and inevitable impurity, La in rare earth element
All >=60%, rare earth element is mainly the mixture of La or La and other rare earth element to content.
The epoxy resin composite material of described rubber ring includes following constituent and parts by weight thereof: Bisphenol F
Type epoxy resin: 85 parts, the polymer resin of non-epoxy: 55 parts, aramid IIII fiber: 12 parts, titanium dioxide
Silicon: 12 parts, the butadiene-styrene rubber of crosslinking: 10 parts, N, N'-(4,4'-methylenediphenyl) BMI: 6
Part, maleic anhydride grafted polystyrene: 6 parts.Wherein, the polymer resin of described non-epoxy is propylene
The mixture that homopolymer and ethylene/octene 4:1 in mass ratio mixes；Described aramid IIII fiber is logical
Peracetic acid acid anhydride processes the aramid IIII fiber that particle diameter is 15-20 μm modified for 15h at 100 DEG C.Described dioxy
SiClx is nanometer silicon dioxide particle I and the mixture of nanometer silicon dioxide particle II, at silica dioxide granule I
With in the mixture of silica dioxide granule II, the content of described silica dioxide granule I accounts for mixture gross mass
55%, the content of silica dioxide granule II accounts for the 45% of mixture gross mass, and the size of silica dioxide granule I is
150-250 μm, the size of silica dioxide granule II are 500-600nm.
Embodiment 3
With differing only in of embodiment 1:
The constituent of described wear-resisting alloy steel and mass percent thereof be: C:0.3%, Cu:3.0%, Mn:
1.2%, Ti:0.1%, Ni:0.006%, Mg:1.2%, B:0.005%, Zr:0.2%, Nb:0.1%,
Ta:0.5%, rare earth element: 0.02%, surplus is Fe and inevitable impurity, La in rare earth element
All >=60%, rare earth element is mainly the mixture of La or La and other rare earth element to content.
The epoxy resin composite material of described rubber ring includes following constituent and parts by weight thereof: Bisphenol F
Type epoxy resin: 80 parts, the polymer resin of non-epoxy: 60 parts, aramid IIII fiber: 5 parts, titanium dioxide
Silicon: 15 parts, the butadiene-styrene rubber of crosslinking: 8 parts, N, N'-(4,4'-methylenediphenyl) BMI: 15
Part.Wherein, the polymer resin of described non-epoxy is Noblen with ethylene/octene by matter
The mixture that amount mixes than 5:1；Described aramid IIII fiber changes for processing 15h at 100 DEG C by acetic anhydride
Particle diameter after property is the aramid IIII fiber of 15-20 μm.Described silicon dioxide is nanometer silicon dioxide particle I He
The mixture of nanometer silicon dioxide particle II, at silica dioxide granule I and the mixture of silica dioxide granule II
In, the content of described silica dioxide granule I accounts for the 40% of mixture gross mass, the content of silica dioxide granule II
Accounting for the 60% of mixture gross mass, the size of silica dioxide granule I is 150-250 μm, silica dioxide granule II
Size be 500-600nm.
Embodiment 4
With differing only in of embodiment 1:
The constituent of described wear-resisting alloy steel and mass percent thereof be: C:0.6%, Cu:2.2%, Mn:
1.8%, Ti:0.05%, Ni:0.015%, Mg:0.5%, B:0.008%, Zr:0.05%, Nb:0.2%,
Ta:0.02%, rare earth element: 0.04%, surplus is Fe and inevitable impurity, La in rare earth element
Content all >=60%, rare earth element is mainly the mixture of La or La and other rare earth element.
The epoxy resin composite material of described rubber ring includes following constituent and parts by weight thereof: Bisphenol F
Type epoxy resin: 100 parts, the polymer resin of non-epoxy: 40 parts, aramid IIII fiber: 20 parts, dioxy
SiClx: 3 parts, the butadiene-styrene rubber of crosslinking: 20 parts, maleic anhydride grafted polystyrene: 5 parts.Wherein, described
The polymer resin of non-epoxy be that Noblen mixes with ethylene/octene 3:1 in mass ratio
Mixture；Described aramid IIII fiber is to process particle diameter modified for 15h at 100 DEG C by acetic anhydride to be
The aramid IIII fiber of 15-20 μm.Described silicon dioxide is nanometer silicon dioxide particle I and nano silicon
The mixture of granule II, in the mixture of silica dioxide granule I and silica dioxide granule II, described titanium dioxide
The content of silicon grain I accounts for the 60% of mixture gross mass, and the content of silica dioxide granule II accounts for mixture gross mass
40%, the size of silica dioxide granule I is that 150-250 μm, the size of silica dioxide granule II are
500-600nm。
In sum, the present invention uses friction pulley to contact with cycle wheel, is rotated by cycle wheel
Changes mechanical energy is that electric energy stores, and between friction pulley and cycle wheel, transmission is effective；Outside friction pulley
Portion's socket rubber ring directly contacts with cycle wheel so that the phase between friction pulley and cycle wheel
Less to abrasion, service life is long, and friction pulley and differential mechanism use screw thread grafting or pin joint to fix, dismounting letter
Single, it is simple to take off whole friction pulley and rubber ring is replaced.Whole apparatus structure is simple, low cost of manufacture,
Power is relatively small, and the traveling of bicycle will not produce significantly impact.It addition, the revolving part on friction pulley
It is made up of the rational wear-resisting alloy steel of compatibility, on the basis of common alloy steel, adds the elements such as Zr, Ta, Ti,
And with the addition of rare earth element and play the effect of microalloying, improved by the synergism produced between each element
Intensity and good corrosion and heat resistant, oxidation resistance, anti-fatigue performance, the fracture toughness etc. of revolving part are comprehensive
Energy.Rubber ring on friction pulley is made up of epoxy resin composite material, and the epoxy resin of rubber ring of the present invention is combined
Materials'use epoxy resin and the polymer resin of non-epoxy, and by adding reinforcing material aramid IIII fiber,
And fire retardant, modifying agent etc., increase substantially the combination property of rubber ring, the most high temperature resistant, corrosion-resistant,
Radiation hardness, weatherability, flame resistant, the performance relevant with environment such as ageing-resistant, and then significantly improve friction pulley
Service life.
Specific embodiment described herein is only to present invention spirit explanation for example.Skill belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use by the technical staff in art field
Similar mode substitutes, but without departing from the spirit of the present invention or surmount defined in appended claims
Scope.
Claims (10)
1., for a friction pulley for small-sized electric generating apparatus, it is arranged on the upside of the electromotor of small-sized electric generating apparatus,
It is connected with the electromotor of small-sized electric generating apparatus, it is characterised in that include revolving part and rubber ring, described rubber
Snare connects and is fixed on revolving part, and integrally formed with a boss at described revolving part home position, described is convex
Being provided with installing hole in platform, described revolving part, boss, installing hole are coaxially disposed, and described revolving part is by wear-resisting
Steel alloy is made, and described rubber ring is made up of epoxy resin composite material.
Friction pulley for small-sized electric generating apparatus the most according to claim 1, it is characterised in that described
Revolving part be made up of wear-resisting alloy steel, the constituent of described wear-resisting alloy steel and mass percent thereof be: C:
0.3-0.6%, Cu:2.2-3.0%, Mn:1.2-1.8%, Ti:0.05-0.1%, Ni:0.006-0.015%,
Mg:0.5-1.2%, B:0.005-0.008%, Zr:0.05-0.2%, Nb:0.1-0.2%, Ta:0.02-0.5%,
Rare earth element: 0.02-0.04%, surplus is Fe and inevitable impurity.
Friction pulley for small-sized electric generating apparatus the most according to claim 2, it is characterised in that rare earth
Content >=60% of La in element.
Friction pulley for small-sized electric generating apparatus the most according to claim 1, it is characterised in that described
Epoxy resin composite material includes following constituent and parts by weight thereof:
Bisphenol f type epoxy resin: 80-100 part
The polymer resin of non-epoxy: 40-60 part
Aramid IIII fiber: 5-20 part
Silicon dioxide: 3-15 part
Crosslinking rubber: 8-20 part
Modifying agent: 5-15 part.
Friction pulley for small-sized electric generating apparatus the most according to claim 4, it is characterised in that described
The polymer resin of non-epoxy is that Noblen mixes with ethylene/octene 3-5:1 in mass ratio
Mixture, the particle diameter of described aramid IIII fiber is 15-20 μm.
Friction pulley for small-sized electric generating apparatus the most according to claim 4, it is characterised in that described
Silicon dioxide is nanometer silicon dioxide particle I and the mixture of nanometer silicon dioxide particle II, wherein silicon dioxide
The size of granule I be 150-250 μm, the size of silica dioxide granule II be 500-600nm.
Friction pulley for small-sized electric generating apparatus the most according to claim 6, it is characterised in that at dioxy
In the mixture of silicon carbide particle I and silica dioxide granule II, the content of described silica dioxide granule I accounts for mixture
The 40-60% of gross mass, the content of silica dioxide granule II accounts for the 40-60% of mixture gross mass.
Friction pulley for small-sized electric generating apparatus the most according to claim 1, it is characterised in that described
Modifying agent is in N, N'-(4,4'-methylenediphenyl) BMI, maleic anhydride grafted polystyrene
Plant or two kinds.
Friction pulley for small-sized electric generating apparatus the most according to claim 1, it is characterised in that described
Revolving part outer peripheral face be provided with some little convex bodys, be provided with consistent with little convex body quantity inside described rubber ring
And the recess of relative set；Being provided with screwed hole in described installing hole, the power input shaft of electromotor is plugged on institute
It is fixedly connected with revolving part by thread connection in the installing hole stated；The outer peripheral face of described revolving part is provided with down
Angle.
Friction pulley for small-sized electric generating apparatus the most according to claim 9, it is characterised in that described
Boss be provided with pin-and-hole, described pin-and-hole is vertically arranged with the axis of boss, the power input shaft of electromotor insert
It is fixedly connected with revolving part by latch connection in being connected on described installing hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298007.5A CN105924901A (en) | 2016-05-06 | 2016-05-06 | Friction wheel for small power generation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610298007.5A CN105924901A (en) | 2016-05-06 | 2016-05-06 | Friction wheel for small power generation device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498108A (en) * | 2013-10-22 | 2014-01-08 | 江苏盛伟模具材料有限公司 | High-boron high-chromium low-carbon wear-resisting alloy steel with good red hardness and manufacturing method thereof |
| CN204915948U (en) * | 2015-05-24 | 2015-12-30 | 程义 | Bicycle with on -vehicle charger |
| CN105440367A (en) * | 2015-12-30 | 2016-03-30 | 华南理工大学 | Epoxy resin enhanced rubber material as well as preparation method and application thereof |
-
2016
- 2016-05-06 CN CN201610298007.5A patent/CN105924901A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498108A (en) * | 2013-10-22 | 2014-01-08 | 江苏盛伟模具材料有限公司 | High-boron high-chromium low-carbon wear-resisting alloy steel with good red hardness and manufacturing method thereof |
| CN204915948U (en) * | 2015-05-24 | 2015-12-30 | 程义 | Bicycle with on -vehicle charger |
| CN105440367A (en) * | 2015-12-30 | 2016-03-30 | 华南理工大学 | Epoxy resin enhanced rubber material as well as preparation method and application thereof |
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Application publication date: 20160907 |