CN106286710A - A kind of expanded letter elevator balanced compensated chain and production technology thereof - Google Patents
A kind of expanded letter elevator balanced compensated chain and production technology thereof Download PDFInfo
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- CN106286710A CN106286710A CN201610784849.1A CN201610784849A CN106286710A CN 106286710 A CN106286710 A CN 106286710A CN 201610784849 A CN201610784849 A CN 201610784849A CN 106286710 A CN106286710 A CN 106286710A
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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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/12—Hauling- or hoisting-chains so called ornamental chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C08K3/36—Silica
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
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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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
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- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
- C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/02—Driving-chains
- F16G13/10—Driving-chains with universal joints
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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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three 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
- C08L2205/03—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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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Abstract
The invention provides a kind of expanded letter elevator balanced compensated chain and production technology thereof, including anchor chain and the jacket layer being coated on outside anchor chain, anchor chain includes element: Fe, C, Si, Mn, Cr, Mo, Ni, Al；Jacket layer includes raw material: styrene block copolymer, TPO, fire-retardant silicon master batch, expansion type flame retardant, fire retarding synergist and processing aid, jacket layer and anchor chain be cast in together with solid single piece.A kind of expanded letter elevator balanced compensated chain that the present invention provides, exceedes the elevator that normal elevator cab is roomy, reduces noise when running, adds the proportion of unit length.Its jacket layer meet softness, resisting environmental stress and cracking, hardness big, than great, heat resistance good, bending radius is more than 800mm, smoke density fire-retardant, low, ageing-resistant advantage, its material hardness reaches 80 90 shore hardnesses, cable strength is big and toughness is big, make balanced compensated chain bearing load big, be effectively increased the security performance of elevator.
Description
Technical field
The present invention relates to technical field of elevator equipment, particularly relate to a kind of unit length than great, there is the one of high intensity
Plant expanded letter elevator balanced compensated chain and production technology thereof.
Background technology
At present, the most towed elevator of elevator that market uses, towed elevator includes car, traction steel-cable, right
Weight and trailing cables.Elevator is in running, and the length of the steel wire rope of cage side and counterweight-side is being continually changing, thus causes
The change of traction sheave both sides steel wire rope weight, to this end, when the hoisting depth of elevator exceedes certain altitude, it is necessary to arrange and have
The parts of constant weight balance the weight change brought because of height change, here it is elevator balanced compensated chain.In brief, electricity
Ladder balanced compensated chain is defined as: for connecting car and the counterweight of elevator, balance hoist ropes and the weight of trailing cables, to elevator
The parts having run balanced action.Require that it has bearing load big, the features such as running noises is little, unit weight.
Elevator compensation chain the most on the market has following several:
1, wire rope handling compensated chain, is the most original a kind of compensated chain, is only used for the elevator of ladder speed below 1.75m/s.Structure
For penetrating the rope made of hemp in iron chains, in use owing to there is friction and collision, noise ratio in this compensated chain between chain and chain
Relatively big, and get rusty easily, the rope made of hemp easily shrinks after making moist, and time length is easily rotted, and affect the safety of elevator operation.
2, plastic compensated chain, in order to reduce wire rope handling compensated chain noise in running, slows down environment to iron chains simultaneously
Corrosion, then on the basis of wire rope handling compensated chain wrap up one layer of plastic sheath, define plastic compensated chain.Compensate compared to wire rope handling
Chain, plastic compensated chain can slow down chain link and clash into, make noise be greatly reduced, but this compensated chain plastic sheath is easily opened when running
Split, come off, therefore, still need to improve in terms of pliability and ruggedness.
3, overall plastic compensated chain, can use the express elevator to 6m/s, and appearance is cable shape PVC structure, and during use, elevator runs energy
Reach the most quiet effect.But owing to the unit weight of compensated chain need to match with hoist ropes unit weight,
Thus the diameter of jacket layer must be increased, CN104044981A discloses a kind of overall plastic balancing chain of novel elevator, outside its electric welded anchor cable
Portion is sequentially provided with a PVC rubber and plastic composite bed, fibrous layer and the 2nd PVC rubber and plastic composite bed.CN2646475Y discloses a kind of electricity
Ladder balanced compensated chain, including iron chains, rubber cylinder.Above-mentioned two parts of open files prevent cracking by increase fibrous layer, but
It is dumb to be that this compensated chain bends in operation process, and its bending excircle stretch range is big.
Summary of the invention
For overcoming noise present in prior art greatly, easily ftracture and bend inflexible problem, the invention provides
A kind of reduction noise, the elevator balanced compensated chain with high intensity and production work thereof reduced in running process of elevator
Skill.
A kind of expanded letter elevator balanced compensated chain that the present invention provides, including: anchor chain and the jacket layer being coated on outside anchor chain, outward
Covering layer includes raw material: elastomer resin, fire retardant and processing aid, and elastomer resin includes: styrene block copolymer and
TPO, fire retardant includes: fire-retardant silicon master batch, expansion type flame retardant and fire retarding synergist；Anchor chain is structure
Steel, structural steel includes element: Fe, C, Si, Mn, Cr, Mo, Ni, Al, and residual elements: Cu, P, S, N；Jacket layer and anchor chain are for watering
Note solid single piece together.
In some embodiments, in jacket layer, the mass percent of each raw material is:
In some embodiments, styrene block copolymer is styrene ethylene-propylene-styrene,
Its styrene-content is 10%-55%.
In some embodiments, the concentration of the silicon polymer in fire-retardant silicon master batch is 15%-65%, and silicon polymer is poly-
Siloxanes.
In some embodiments, expansion type flame retardant is melamine phosphate borate.
In some embodiments, the one during fire retarding synergist is silicon dioxide, titanium dioxide, magnesium oxide, montmorillonite
Or it is multiple.
Take above-mentioned each raw material, above-mentioned raw materials is mixed in kneader and makes temperature reach 85 DEG C-95 DEG C, former by mix
Material is sent into after being cooled to 40 DEG C-50 DEG C in cooling and stirring device and is poured in feeding machine, feeding machine be fed in double screw extruder,
Extruding pelletization, carries out the material extruded in double screw extruder tie rod, cools down, cuts into slices, make tablet-type gum.
In some embodiments, each element of anchor chain accounts for: C:0.1%-0.28%, Si:
0.15%-0.4%, Mn:0.2%-1.7%, Cr:0.5%-1.2%, Mo:0.2%-0.5%, Ni:0.8%-1.00%, Nb:
0.02%-0.08%, Al:0.01%-0.04%, Cu≤0.20%, P≤0.02%, S≤0.005%, N:0.004%-
0.009%, remaining content is Fe.
Produce anchor chain base material according to above-mentioned formula, then carry out the base material obtained compiling ring butt welding, make anchor chain, prepare
Anchor chain be placed in continuous way hardening and tempering furnace carry out quenching, temper, its quenching, tempering step be: in continuous way hardening and tempering furnace,
By anchor chain Quench heating to 900-1100 DEG C, and it is incubated 2-3h, water-cooled to room temperature, 580-650 DEG C of tempering, and it is incubated 2-3h, then
Secondary water-cooled is to room temperature.
Above-mentioned prepared anchor chain is inserted in the mould of extruder, then by above-mentioned tablet-type gum, send into extruder.Extrusion
Temperature controls for 130 DEG C～150 DEG C, and the hauling speed of extrusion is 5～15 meter per seconds, and above-mentioned sizing material is extruded by extruder, extruding
In above-mentioned mould, it is wrapped on anchor chain, makes above-mentioned anchor chain be placed in integument, prepare flat elevator weighing apparatus compensated chain.
In some embodiments, including one or two anchor chains.
A kind of expanded letter elevator balanced compensated chain that the present invention provides compared with prior art, the invention has the beneficial effects as follows:
Together with being cast in anchor chain by jacket layer, forming a solid single piece, when using operation, stationarity is good, when reducing operation
Noise；Use double anchor chain in case of need, the proportion of unit length can be added；The composition of raw materials of jacket layer makes outer wrapping up in
Layer meet softness, resisting environmental stress and cracking, hardness big, than great, heat resistance good, bending radius more than 800mm, fire-retardant,
Low smoke density, ageing-resistant advantage, its material hardness reaches 80-90 shore hardness；The element formula of anchor chain improves anchor chain
Intensity and toughness so that balanced compensated chain bearing load is big, is effectively increased the security performance of elevator；Anchor chain uses structural steel,
It has the characteristic that intensity is big, toughness is big, tensile property is good.
Accompanying drawing explanation
A kind of axial sectional view of the expanded letter elevator balanced compensated chain of the first embodiment that Fig. 1 provides for the present invention；
Fig. 2 is the radial cross-section of a kind of expanded letter elevator balanced compensated chain shown in Fig. 1；
The axial section view of the Fig. 3 a kind of expanded letter elevator balanced compensated chain of the second embodiment for providing for the present invention
Figure；
Fig. 4 is the radial cross-section of a kind of expanded letter elevator balanced compensated chain shown in Fig. 3.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that described herein
Specific embodiment only in order to explain the present invention, is not intended to limit the present invention.
The present invention is disclosed by tri-embodiments of embodiment 1-3 and a kind of wraps up in for the outer of elevator balanced compensated chain
Layer, it includes raw material: elastomer resin, fire retardant and processing aid, wherein, elastomer resin includes: Styrenic block is common
Polymers, TPO, fire retardant include: fire-retardant silicon master batch, expansion type flame retardant and fire retarding synergist.
Embodiment 1:
Raw material in jacket layer 2: styrene block copolymer, TPO, fire-retardant silicon master batch, expansion
The mass percent of type fire retardant, fire retarding synergist and processing aid is:
Taking each raw material according to mentioned component and percentage ratio thereof, wherein, styrene block copolymer uses styrene-content
It it is the styrene ethylene-propylene-styrene of 10%；The concentration of the silicon polymer in fire-retardant silicon master batch is 15%, silicon
Polymer uses polysiloxanes；Expansion type flame retardant uses melamine phosphate borate；Fire retarding synergist uses silicon dioxide
And montmorillonite；Processing aid includes: antioxidant, lubricant, filler, coloring agent, and wherein, antioxidant uses auxiliary antioxidant, profit
Lubrication prescription uses erucyl amide class, silicone master batch, and filler uses montmorillonite white carbon black.Take each former according to mentioned component and percentage ratio thereof
Material, mixes above-mentioned raw materials in kneader, makes temperature reach 85 DEG C, is sent in cooling and stirring device by the raw material mixed and cools down
Pour in feeding machine after 40 DEG C, feeding machine be fed in double screw extruder, extruding pelletization, will double screw extruder squeeze
The material gone out carries out tie rod, cools down, cuts into slices, and makes tablet-type gum.
Embodiment 2:
Raw material in jacket layer 2: styrene block copolymer, TPO, fire-retardant silicon master batch, expansion
The mass percent of type fire retardant, fire retarding synergist and processing aid is:
Taking each raw material according to mentioned component and percentage ratio thereof, wherein, styrene block copolymer uses styrene-content
It it is the styrene ethylene-propylene-styrene of 20%；The concentration of the silicon polymer in fire-retardant silicon master batch is 40%, silicon
Polymer uses polysiloxanes；Expansion type flame retardant uses melamine phosphate borate；Fire retarding synergist uses titanium dioxide；
Processing aid includes antioxidant, lubricant, filler, and wherein, antioxidant uses aromatic amine antioxidant, and lubricant uses stearic acid
With oleamide class, filler uses potter's clay, Pulvis Talci, mica powder.Each raw material is taken, by above-mentioned according to mentioned component and percentage ratio thereof
Raw material mixes in kneader, makes temperature reach 95 DEG C, is sent into by the raw material mixed after being cooled to 50 DEG C in cooling and stirring device
Pour in feeding machine, feeding machine be fed in double screw extruder, extruding pelletization, the material extruded in double screw extruder is entered
Row tie rod, cool down, cut into slices, make tablet-type gum.
Embodiment 3:
Raw material in jacket layer 2: styrene block copolymer, TPO, fire-retardant silicon master batch, expansion
The mass percent of type fire retardant, fire retarding synergist and processing aid is:
Taking each raw material according to mentioned component and percentage ratio thereof, wherein, styrene block copolymer uses styrene-content
It it is the styrene ethylene-propylene-styrene of 55%；The concentration of the silicon polymer in fire-retardant silicon master batch is 65%, silicon
Polymer uses polysiloxanes；Expansion type flame retardant uses melamine phosphate borate；Fire retarding synergist uses magnesium oxide, illiteracy
De-soil；Processing aid includes antioxidant, lubricant, filler, coloring agent, and wherein, antioxidant uses Hinered phenols antioxidant, lubrication
Agent uses oleamide class and erucyl amide class, and filler uses flake asbestos, calcium carbonate, montmorillonite white carbon black.According to mentioned component and
Its percentage ratio takes each raw material, is mixed by above-mentioned raw materials in kneader, makes temperature reach 90 DEG C, sends into cold by the raw material mixed
But pour into after agitator being cooled to 45 DEG C in feeding machine, feeding machine be fed in double screw extruder, extruding pelletization, will be double
In screw extruder, the material of extrusion carries out tie rod, cools down, cuts into slices, and makes tablet-type gum.
In above-mentioned 3 embodiments, all using fire-retardant silicon master batch, fire-retardant silicon master batch is for containing styrene block copolymer
And the jacket layer of TPO, owing to the silicone polymer in fire-retardant silicon master batch during burning can be embedding with polystyrene
Section copolymer and TPO form layer of charcoal, can improve its oxygen index (OI), can reduce again flame propagation velocity, rise
To good fire retardation, additionally, silicone polymer can improve impact strength, mechanical performance, heat resistance etc..Jacket layer is former
Material uses multiple fire retarding synergist and expansion type flame retardant carry out compounding use, improve the fire-retardant effect of flame-retardant system further
Rate, also makes the amount of being fuming of material combustion be substantially reduced simultaneously, improves the security performance of elevator, and, fire retardant has low
Cigarette, low toxicity, Halogen, good stability, add it to the polymer used time, and when polymer is heated, surface can generate one layer all
Even carbonaceous foam layer, plays heat insulation, oxygen barrier, presses down the effect of cigarette, and prevent molten drop phenomenon, therefore has fabulous fire-retardant
Property.The elastomeric material prepared according to above-mentioned formulation ratio is halogen-free flame retarding elastomer material, and it is high that it has intensity, anti-flammability
Good, flexible strong feature.
The present invention discloses a kind of anchor for elevator balanced compensated chain by tri-embodiments of embodiment 4-6
Chain, this anchor chain includes essential element: Fe, C, Si, Mn, Cr, Mo, Ni, Nb, Al, and residual elements: Cu, P, S, N；Each mainly
The content (weight %) of composition is:
Embodiment 4:
C:0.1%, Si:0.15%, Mn:0.2%, Cr:0.5%, Mo:0.2%, Ni:0.8%, Nb:0.02%, Al:
0.01%, Cu:0.12%, P:0.013%, S:0.004:%, N:0.004%, remaining is Fe.
Embodiment 5:
C:0.2%, Si:0.28%, Mn:1.63%, Cr:1.0%, Mo:0.4%, Ni:0.9%, Nb:0.035%, Al:
0.032%, Cu:0.12%, P:0.014%, S:0.002%, N:0.0056%, remaining is Fe.
Embodiment 6:
C:0.28%, Si:0.4%, Mn:1.7%, Cr:1.2%, Mo:0.5%, Ni；1.00%, Nb:0.08%, Al:
0.04%, Cu:0.20%, P:0.02%, S:0.005%, N:0.009%, remaining is Fe.
Wherein, the equivalent of carbon is more than 1.40, C: carbon can improve the intensity of steel, can improve again the quenching degree of steel simultaneously, be less than
0.1%, the mechanical property of commissure does not reaches the requirement of strength of four-grade mooring chain, higher than 0.28%, in quenching technical, and mother metal
It is easily generated hardening flaw, and the carbon of flash butt welding part residual increases, and will reduce the impact flexibility of commissure.Therefore carbon content is true
It is set to: 0.1%-0.28%；Si: silicon can improve intensity and the quenching degree of steel, and its minimum content is 0.15%, can be only achieved its effect
Really, but silicone content is too high particularly when it coexists with manganese, chromium element, the superheated susceptivity one steel belt roof bolt fragility of increase steel.
Simultaneously because silicon is the most oxidized, the existence of Silicate Inclusions in steel, the impact flexibility of steel will be reduced, therefore Si upper content limit is
0.30%；Mn: manganese can improve intensity, toughness and quenching degree, but the too high tendency being easily generated crystalline grain of steel roughening of Fe content, and increase
The sensitivity of steel belt roof bolt fragility, when Fe content is more than 1.7%, is easily generated hardening flaw, and therefore Fe content scope determines
For 0.2-1.7%；Cr: chromium is the essential element improving resistance to corrosion, and chromium can suppress and reduce Carbon diffusion speed simultaneously,
Reducing steel scaling loss of carbon when welding, improve the mechanical property of commissure, chromium is also improved quenching degree and the temper resistance of steel
Effect, therefore chromium should be not less than 0.50%, and the oxide that higher chromium content is formed is mingled with and is stranded in commissure, will fall
The impact flexibility of low steel, the upper limit of chromium is defined as 1.20%；Mo: molybdenum can improve the quenching degree of steel, prevents temper brittleness, improves steel
The quenching characteristics of material commissure, reduces hardening flaw, improves the impact flexibility of commissure, when molybdenum content is more than 0.5%, to property
The effect that can improve will not further increase；Ni: nickel can improve the intensity of steel, reduces the black brittleness transition temperature of steel, improves steel
Anti-fatigue performance and the minimizing sensitivity to breach, hence it is evident that improving the low-temperature impact toughness of commissure, nickel element is also to make simultaneously
For improving one of element of decay resistance of steel, but too high levels, not only increase cost, and owing to aoxidizing subcutaneous metal
Matrix becomes rich nickel and the most oxidizable, thus causes oxide skin to adhere to, and the oxide skin of formation difficult drop-off, therefore content range is true
It is set to 0.8-1.0%；Nb: niobium adds as crystal grain thinning element and precipitation-strengthening element, to reduce in steel gas content and
The low-temperature impact toughness effect improving steel is obvious, and when its content is more than 0.08%, it improves effect and is not further added by；Al: aluminum with
The effect of niobium is similar, mainly crystal grain thinning and reduce gas oxygen, nitrogen content in steel, and to improve comprehensive mechanical property, aluminum surpasses
After 0.040% time, the oxide of aluminum is mingled with increase, will deteriorate the impact flexibility of steel.
Residual elements: when Cu, P, S, N exceed certain content, will reduce the low-temperature impact toughness of anchor chain, improve the crisp of anchor chain
Sex reversal temperature, deteriorates the comprehensive mechanical property of anchor chain.Therefore, a kind of anchor for elevator balanced compensated chain is disclosed
Residual elements are controlled by chain: Cu≤0.20%, P≤0.02%, S≤0.005%, N:0.004%-0.009%, to be reduced to
The impact of cable strength.
Produce anchor chain base material according to above-mentioned formulation ratio, then carry out the base material obtained compiling ring butt welding, make anchor chain,
The anchor chain prepared be placed in continuous way hardening and tempering furnace carry out quenching, temper, its quenching, tempering step be: quenched in continuous way
In stove, by anchor chain Quench heating to 1000 DEG C, and be incubated 2.5h, water-cooled to room temperature, 600 DEG C of tempering, and be incubated 2.5h, water again
It is cooled to room temperature.
The anchor chain prepared according to the method described above, has high intensity, high tenacity, the characteristic of relatively low yield tensile ratio, the balance made
Compensated chain bearing load is big, is effectively increased the security performance of elevator.
In order to make a kind of expanded letter elevator balanced compensated chain of present disclosure, need to insert crowded by above-mentioned prepared anchor chain
Go out in the mould of machine, then by above-mentioned tablet-type gum, send into extruder.The temperature of extrusion controls for 140 DEG C, and the traction of extrusion is fast
Degree is 8 meter per seconds, and above-mentioned sizing material is extruded by extruder, is expressed in above-mentioned mould, is wrapped on anchor chain, makes above-mentioned anchor chain be placed in
In integument.
Fig. 1 to Fig. 4 show schematically show and utilizes above-mentioned jacket layer 2 and anchor according to what two kinds of embodiments of the present invention provided
A kind of expanded letter elevator balanced compensated chain that chain 1 prepares.
Embodiment 7:
As depicted in figs. 1 and 2, a kind of expanded letter elevator balanced compensated chain of present disclosure, including an anchor chain 1 and cladding
Jacket layer 2 outside anchor chain 1, jacket layer 2 utilizes above-mentioned elastomer to make, solid for together with being cast in of jacket layer 2 and anchor chain 1
Single piece.Anchor chain 1 surface is provided with overcoat, and as preferably, overcoat is layer of paint.
Embodiment 9:
As shown in Figure 3 and Figure 4, a kind of expanded letter elevator balanced compensated chain of present disclosure, including two anchor chains 1 and cladding
Jacket layer 2 outside anchor chain 1, jacket layer 2 utilizes above-mentioned elastomer to make, and jacket layer 2 and anchor chain 1 and cable 3 are for being cast in one
The solid single piece risen.Anchor chain 1 surface is provided with overcoat, and as preferably, overcoat is zinc coat.
In above-mentioned two embodiment, together with being cast in anchor chain by jacket layer, form a solid single piece, using
During operation, stationarity is good, reduces noise when running, and, use double anchor chain in case of need, add unit length
Proportion.It addition, as required cable can be also cast with in jacket layer, for connecting the electricity of Elevator weight sensor side and cage side
Gas parts, it is achieved cage side and the signal transmission of counterweight-side, have reduced the increase of trailing cable, simplified topology, have reduced cost.
Described above illustrate and describes the preferred embodiments of the present invention, as previously mentioned, it should be understood that the present invention not office
Be limited to form disclosed herein, be not to be taken as the eliminating to other embodiments, and can be used for other combinations various, amendment and
Environment, and can be changed by above-mentioned teaching or the technology of association area or knowledge in invention contemplated scope described herein
Dynamic.And the change that those skilled in the art are carried out and change are without departing from the spirit and scope of the present invention, the most all should be appended by the present invention
In scope of the claims.
Claims (10)
1. an expanded letter elevator balanced compensated chain, including anchor chain (1) and be coated on described anchor chain (1) jacket layer (2) outward, it is special
Levy and be: described jacket layer (2) and described anchor chain (1) be cast in together with solid single piece；Described jacket layer (2) includes former
Material: elastomer resin, fire retardant and processing aid, wherein, described elastomer resin includes: styrene block copolymer and poly-
Olefinic thermoplastic elastomer, described fire retardant includes: fire-retardant silicon master batch, expansion type flame retardant and fire retarding synergist；
Described anchor chain (1) is structural steel, and structural steel includes: essential element: Fe, C, Si, Mn, Cr, Mo, Ni, Al, and remaining unit
Element: Cu, P, S, N.
A kind of expanded letter elevator balanced compensated chain the most according to claim 1, it is characterised in that each in described jacket layer (2)
The mass percent of raw material is:
A kind of expanded letter elevator balanced compensated chain the most according to claim 2, it is characterised in that described Styrenic block is altogether
Polymers is styrene ethylene-propylene-styrene, and its styrene-content is 10%-55%.
A kind of expanded letter elevator balanced compensated chain the most according to claim 2, it is characterised in that in described fire-retardant silicon master batch
The concentration of silicon polymer is 15%-65%, and described silicon polymer is polysiloxanes.
A kind of expanded letter elevator balanced compensated chain the most according to claim 2, it is characterised in that described expansion type flame retardant is
Melamine phosphate borate.
A kind of expanded letter elevator balanced compensated chain the most according to claim 2, it is characterised in that described fire retarding synergist is two
One or more in silicon oxide, titanium dioxide, magnesium oxide, montmorillonite.
A kind of expanded letter elevator balanced compensated chain the most according to claim 1, it is characterised in that shared by each element of described anchor chain
Percentage by weight be: C:0.1%-0.28%, Si:0.15%-0.4%, Mn:0.2%-1.7%, Cr:0.5%-1.2%,
Mo:0.2%-0.5%, Ni:0.8%-1.00%, Nb:0.02%-0.08%, Al:0.01%-0.04%, Cu≤0.20%, P
≤ 0.02%, S≤0.005%, N:0.004%-0.009%, remaining content is Fe.
A kind of expanded letter elevator balanced compensated chain the most according to claim 1, it is characterised in that include described in one or two
Anchor chain (1).
9. the production technology of an expanded letter elevator balanced compensated chain, it is characterised in that take the raw material making jacket layer (2) and mediating
Machine mixes, makes temperature reach 85 DEG C-95 DEG C, the raw material mixed is sent into after cooling and stirring device is cooled to 40 DEG C-50 DEG C
Feeding double screw extruder extruding pelletization, carries out the sizing material extruded in double screw extruder tie rod, cools down, cuts into slices, make sheet
Shape sizing material is standby；Being inserted by anchor chain in the mould of extruder, by described tablet-type gum, send into extruder, extruder is by sheet above
Shape sizing material is extruded, and extrudes to mould, is wrapped in outside anchor chain.
The production technology of a kind of expanded letter elevator balanced compensated chain the most according to claim 9, it is characterised in that described
The temperature of shape sizing material extrusion controls for 130 DEG C-150 DEG C, and the hauling speed of extrusion is 5～15 meter per seconds.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784849.1A CN106286710A (en) | 2016-08-30 | 2016-08-30 | A kind of expanded letter elevator balanced compensated chain and production technology thereof |
| PCT/CN2016/104433 WO2018040274A1 (en) | 2016-08-30 | 2016-11-03 | Wide-bodied elevator compensation chain, and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784849.1A CN106286710A (en) | 2016-08-30 | 2016-08-30 | A kind of expanded letter elevator balanced compensated chain and production technology thereof |
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| CN106286710A true CN106286710A (en) | 2017-01-04 |
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| WO (1) | WO2018040274A1 (en) |
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| CN107098242A (en) * | 2017-06-30 | 2017-08-29 | 南通兴华达高实业有限公司 | A kind of fiber reinforcement wear resistant corrosion resistant elevator balanced compensated chain |
| CN107127943A (en) * | 2017-06-30 | 2017-09-05 | 南通兴华达高实业有限公司 | A kind of buckle-type elevator balanced compensated chain and its production technology |
| CN108223695A (en) * | 2017-12-27 | 2018-06-29 | 山东华源索具有限公司 | High intensity forging side chain and preparation method thereof |
| CN111531841A (en) * | 2019-12-27 | 2020-08-14 | 江苏兴华胶带股份有限公司 | Balance compensation chain suitable for wide car elevator and preparation process thereof |
| CN116061382A (en) * | 2023-02-10 | 2023-05-05 | 南通迅达橡塑制造有限公司 | High-safety high-flame-retardance weather-resistant elevator balance compensation chain plastic wrapping forming device and application method thereof |
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| CN116061382B (en) * | 2023-02-10 | 2023-11-14 | 南通迅达橡塑制造有限公司 | High-safety high-flame-retardance weather-resistant elevator balance compensation chain plastic wrapping forming device and application method thereof |
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| Publication number | Publication date |
|---|---|
| WO2018040274A1 (en) | 2018-03-08 |
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