CN108677573A - A kind of elevator composite lifting band specialized wire rope - Google Patents
A kind of elevator composite lifting band specialized wire rope Download PDFInfo
- Publication number
- CN108677573A CN108677573A CN201810526750.0A CN201810526750A CN108677573A CN 108677573 A CN108677573 A CN 108677573A CN 201810526750 A CN201810526750 A CN 201810526750A CN 108677573 A CN108677573 A CN 108677573A
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- China
- Prior art keywords
- steel wire
- wire rope
- strand
- wire
- steel
- Prior art date
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Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/22—Flat or flat-sided ropes; Sets of ropes consisting of a series of parallel ropes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/08—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0673—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
- D07B1/162—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
- D07B1/165—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber inlay
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2047—Cores
- D07B2201/2052—Cores characterised by their structure
- D07B2201/2055—Cores characterised by their structure comprising filaments or fibers
- D07B2201/2058—Cores characterised by their structure comprising filaments or fibers comprising fillers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2089—Jackets or coverings comprising wrapped structures
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2092—Jackets or coverings characterised by the materials used
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
- D07B2205/2064—Polyurethane resins
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/2055—Improving load capacity
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2007—Elevators
Abstract
A kind of elevator composite lifting band specialized wire rope, it is related to elevator composite lifting band field, totally 65 steel wires are constituted the outer layer strand being arranged by central strand and around central strand, compared to traditional elevator composite steel band steel wire rope, the steel wire rope cost is lower, and single rupture pull force reaches 5000N or more, while also having better anti-fatigue performance, it is equipped with adhesive layer in the outer surface of steel wire rope, ensure that the adhesion stability of steel wire rope and polyurethane clad in composite steel band.The steel wire composite lifting band specialized wire rope, is at most formed using the steel wire twisting of two kinds of diameters, reduces process complexity.
Description
Technical field
The present invention relates to elevator composite lifting band field, more particularly to a kind of elevator composite lifting band specialized wire rope.
Background technology
Currently, the skeleton steel wire rope applied to elevator composite lifting band needs to meet high standard.Since elevator is to peace
Full property is more demanding, and composite lifting band is by bending repeatedly during elevator service life, as the main of composite lifting band
Load material, steel wire rope must have high anti-fatigue performance.Again due to the steel wire rope external sheath in composite lifting band
Polyurethane, thus steel wire rope also needs in entire life cycle and polyurethane keeps stable adhesiveness.
1999, Otis Elevator Company disclosed a kind of flat belt shape first in PCT/US1999/019267
Medium is promoted, and application is so far.The invention uses 7x7 structures as framework material, including 7 stocks, and per share 7 steel wires are total
49 steel wires, wirerope diameter 1.6mm, rupture pull force 3000N have preferable performance.However, the steel wire rope uses three kinds
Different-diameter monofilament twisting forms, and filament diameter is thinner, and cost is higher.Simultaneously because the single tensile strength of the steel wire rope compared with
It is low, if it is desired to obtain the composite lifting band of higher intensity, it is necessary to use more root steel wire ropes, this structure that can lead to composite steel band
Width is excessive, can not be applied on Super High and super high speed elevator.
Since the steel wire rope is there is above-mentioned deficiency, the new steel wire rope that it is 7x7 that industry, which is proposed structure still, the steel wire rope
By increasing wirerope diameter, single wire rope Fracture Force is increased to 4500N, but the steel wire rope of the structure as a result of compared with
Thick monofilament, although increasing tensile strength, anti-fatigue performance decreases, and affects the bulk life time of composite steel band.
In addition, this steel cord structure is still formed by the steel wire twisting of three to four kinds of different-diameters, there is no the complexity for reducing technique
And cost.
Invention content
In view of the deficienciess of the prior art, the object of the present invention is to provide a kind of elevator composite lifting band special steel wires
Rope, solves that existing elevator belt specialized wire rope anti-fatigue performance is low, service life low problem.
The technical solution adopted in the present invention is：A kind of elevator composite lifting band specialized wire rope, the steel wire rope include
Central strand and Duo Gen packets twist the outer layer strand outside central strand, and central strand mainly wraps twirl in central steel by a core wire, successively
Silk outside secondary cover wire and outermost layer steel wire form, outer layer strand by another core wire and multiple cover wire twistings and
At being characterized in that, the outer surface of each steel wire in the inner and outer layer stock of central strand is coated with adhesive layer, in steel wire rope
Between heart stock and outer layer strand, each steel between each steel wire between each outer layer strand and outer layer strand and in central strand, in outer layer strand
There is certain gap, the gap polyurethane to be allowed to be fully penetrated into inside steel wire rope in extrusion, poly- ammonia between silk
Ester connects steel wire surface by adhesive layer.
In said program, the thickness of the adhesive layer is not more than 0.005mm.
In said program, adhesive in the adhesive layer a concentration of aqueous polyurethane dispersion by mass percentage
90%, dibutyl phthalate 3%, dodecyl sodium sulfate 1% and pure water 6%.
In said program, the gap in central strand between time cover wire, the gap between outermost layer steel wire meet simultaneously：It is more than
0.015mm and be less than 0.030mm.
In said program, core wire, secondary cover wire and outermost layer gauge of wire in central strand are equal;Outside
The diameter of core wire and cover wire in layer stock is equal.
In said program, the steel wire diameter in central strand is identical as the gauge of wire in outer layer strand.
The beneficial effects of the invention are as follows：One kind is for elevator composite lifting band specialized wire rope, including central strand and surround
The outer layer strand of central strand setting, totally 65 steel wires compositions, compare traditional elevator composite steel band steel wire rope, the steel wire rope cost is more
It is low, and single rupture pull force reaches 5000N or more, while also there is better anti-fatigue performance, it is set in the outer surface of steel wire rope
There is adhesive layer, ensure that the adhesion stability of steel wire rope and polyurethane clad in composite steel band.The steel wire composite lifting band, most
The steel wire twisting for mostly using two kinds of diameters forms, and reduces process complexity.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Other attached drawings.
Fig. 1 is elevator system configuration schematic diagram in the embodiment of the present invention；
Fig. 2 is the cross-sectional view of composite lifting band in the embodiment of the present invention；
Fig. 3 is schematic diagram of the composite lifting with middle skeleton steel wire rope in the embodiment of the present invention；
Fig. 4 is composite lifting band middle skeleton central strand and outer layer strand structural schematic diagram in the embodiment of the present invention,（a）For outer layer strand knot
Structure schematic diagram,（b）Centered on outermost layer structure of steel wire schematic diagram in stock,（c）Centered on time cover wire structural schematic diagram in stock,
（d）Centered on core wire structural schematic diagram in stock.
Number explanation is as follows in figure:1 car, 2 composite lifting media, 3 traction machines, 4 counterweights, 5 clads, 6 skeleton loads
Component, 61 central strands, 61-1 core wires, 62 cover wires, 62-1 steel wires, 63 outermost layer steel wires, 63-1 steel wires, 64 outer layers
Stock, 64-1 core wires, 64-2 cover wires.
Specific implementation mode
Keep the above objects, features and advantages of the present invention more obvious and easy to understand, below in conjunction with the accompanying drawings 1~Fig. 4 and tool
The present invention is described in further detail for body embodiment.
The elevator composite lifting band that the present embodiment uses is mounted in elevator hoist mechanism, as shown in Figure 1, elevator hoisting machine
Structure mainly links car 1 by traction machine 3 by composite lifting medium 2 and counterweight 4 forms.Composite lifting medium 2 therein is flat
Flat ribbon, as shown in Fig. 2, in elevator hoist mechanism, one side surface is bonded with traction machine 3, the rotation of traction machine 3 by with
The friction of composite lifting medium 2 is converted into the linear movement of composite lifting medium 2, and then tractive force is transmitted to car 1, realizes
The linear movement of cab 1.
Originally it includes several identical steel wire ropes 6 to apply the composite lifting medium 2 in example, and the steel wire rope 6 is in thickness direction
Positioned at the center of composite lifting medium 2, steel wire rope 6 is equidistantly distributed side by side in the direction of the width.There is clad 5 in 6 outside of steel wire rope,
The clad 5 is wear-resistant plastic, steel wire rope 6 is combined into an entirety, while constituting the outer profile of composite lifting medium 2,
It is contacted with traction machine 3.
The embodiment of the present invention, the sectional view of the steel wire rope 6 in composite lifting medium 2 is as shown in figure 3, each steel wire rope 6
It is formed by central strand 61 and eight 64 twistings of outer layer strand, outer layer strand 64 is arranged around central strand 61.Wherein, central strand 61 is by phase
A core wire 61-1, secondary cover wire 62 and 63 twisting of outermost layer steel wire of same diameter (d1) form, wherein secondary outer layer steel
Silk 62 is looped around the setting of 61 periphery of core wire, and outermost layer steel wire 63 is looped around time 62 periphery of cover wire setting.Secondary outer layer steel
Silk 62 includes five steel wire 62-1, and outermost layer steel wire 63 includes ten steel wire 63-1.Outer layer strand 64 is then identical (d2) by diameter
Core wire 64-1 and cover wire 64-2 twistings form, wherein, cover wire 64-2 is circumferentially positioned at core wire 64-1
Periphery.In the embodiment of the present invention, the steel wire diameter (d2) in steel wire diameter (d1) and outer layer strand 64 in central strand 61 is identical.
This design can greatly reduce steel wire type, process complexity be reduced, to reduce cost.
The lay pitch in the present embodiment refers to that cover wire rotates a circle around core wire, in axis when reaching the same angle
The distance walked on line direction.The lay pitch is smaller, and cover wire is closer, and the gap between steel wire is smaller, and the lay pitch is bigger, outer layer
Steel wire twisting it is more loose, the gap between steel wire is bigger.As shown in figure 4, same layer steel wire 63-1（Or 62-1 or 64-2）
Between by adjusting the lay pitch control the gap between steel wire, gap should be greater than 0.015mm and be less than 0.030mm, best scheme
For between 0.018mm to 0.022mm.
In order to ensure the corrosion resistance of steel wire rope, each steel wire surface in the present embodiment is equipped with layer protective layer, such as
Zinc or allumen.Since metallic zinc and polyurethane material do not have bonding force, in order to further increase the service life of product, this
Embodiment is also coated with a kind of adhesive in steel wire surface, and bonding can be established between the zinc coating and polyurethane of steel wire surface
Power.In order in composite lifting with production process in reach best osmotic effect, the thickness of this adhesive phase should not exceed
0.005mm, this thickness can be under the premise of not influencing polyurethane infiltration steel wire rope inside, boom hoist cable and polyurethane
Binding performance, avoid the peeling occurred after prolonged use.
In the embodiment of the present invention, the main component of adhesive includes aqueous polyurethane dispersion, two fourth of phthalic acid
Ester, dodecyl sodium sulfate and pure water, mass percent concentration are as follows：
| Ingredient | Mass percent |
| Aqueous polyurethane dispersion | 90% |
| Dibutyl phthalate | 3% |
| Dodecyl sodium sulfate | 1% |
| Water | 6% |
The preparation process of aqueous polyurethane dispersion is as follows in the present embodiment：
By toluene di-isocyanate(TDI), 6305 polyether polyol and 2,3 dihydroxypropionic acids concentration 2 by mass percentage:1:1 ratio
In example addition reaction kettle, is reacted at 80 DEG C 3 hours, the concentration of isocyano is finally titrated with positive dibutyl amine method.
Product is down to room temperature, with the deionized water solution of the triethylamine of 5% concentration of three times quality on high speed dispersor
Emulsification, obtains translucent aqueous polyurethane dispersion.
In the embodiment of the present invention, steel wire 64-4, steel wire 64-2, steel wire 63-1, steel wire 62-1, steel wire in steel wire rope 6
61-1 is the high-carbon steel wire of 0.60% or more phosphorus content, a diameter of 0.15mm to 0.25mm.The high-carbon content steel of this thin diameter
Silk can ensure that steel wire rope has higher intensity and anti-fatigue performance.
Based on the embodiment of the present invention, steel wire rope 6 includes a central strand 61 and eight outer layer strands 64, in central strand 61
The diameter of a diameter of 0.185mm of core wire 61-1, five steel wire 62-1 in secondary cover wire 62 are 0.185mm steel
Thread, a diameter of 0.185mm of 11 steel wire 63-1 in outermost layer steel wire 63.Core wire 64-1 in outer layer strand 64 is a diameter of
0.185mm, a diameter of 0.185mm of five cover wire 64-2 in outer layer strand 64.
Steel cord structure：0.185+5x0.185+11x0.185+8x(0.185+5x0.185)
The rupture pull force of steel wire rope is measured using universal testing machine, and steel wire rope is broken acquisition Fracture Force, after repeatedly measuring,
Aggregate breaking force distributed area is obtained, and sets minimum fracture force value as 5000N.
Wirerope diameter uses miking, by the way that same position, wire rope rotating measures ten data, meter for one week
It calculates average value and obtains a diameter of 2mm of steel wire rope.
After curing steel wire rope by using resin, steel wire rope section is obtained, and obtained by being measured microscopically, this reality
It is 0.015mm-0.020mm to apply the spacing between the steel wire in example.
Infiltrative assessment is to produce section by the composite lifting band after extrusion, using in micro- sem observation steel wire rope
Whether portion has polyurethane, if all gaps are by filling polyurethane, then it is assumed that permeability 100%.
Steel wire rope is vertically extracted out from composite lifting band using universal testing machine and is obtained by the test of bond properties, root
According to length of embedment of the steel wire rope in composite steel band, total extraction force is obtained, this extraction force divided by length of embedment, you can obtain
The average adhesion of every millimeter of steel wire rope, the bonding force that the present embodiment obtains are 45N/mm.
Although specific embodiments of the present invention have been described above, those skilled in the art in the art should manage
Solution, these are merely examples, and many changes and modifications may be made, without departing from the principle of the present invention
And essence.The scope of the present invention is only limited by the claims that follow.
Claims (6)
1. a kind of elevator composite lifting band specialized wire rope, the steel wire rope includes that central strand and Duo Gen packets are twisted outside central strand
Outer layer strand, central strand mainly wrap the secondary cover wire and outermost layer steel wire twisted outside core wire by a core wire, successively
Composition, outer layer strand are formed by another core wire and multiple cover wire twistings, which is characterized in that the inner and outer layer of central strand
The outer surface of each steel wire in stock is coated with adhesive layer, between the central strand and outer layer strand of steel wire rope, each outer layer strand and outer layer
Between each steel wire between stock and in central strand, there is certain gap, the gap to permit between each steel wire in outer layer strand
Perhaps polyurethane fully penetrates into extrusion inside steel wire rope, and polyurethane connects steel wire surface by adhesive layer.
2. elevator composite lifting band specialized wire rope as described in claim 1, which is characterized in that the thickness of the adhesive layer is not
More than 0.005mm.
3. elevator composite lifting band specialized wire rope as described in claim 1, which is characterized in that viscous in the adhesive layer
Mixture a concentration of aqueous polyurethane dispersion 90% by mass percentage, dibutyl phthalate 3%, dodecyl sodium sulfate 1%
With pure water 6%.
4. the elevator composite lifting band specialized wire rope as described in claims 1 to 3 any claim, which is characterized in that in
Gap in heart stock between time cover wire, the gap between outermost layer steel wire meet simultaneously：It is less than 0.030mm more than 0.015mm.
5. elevator composite lifting band specialized wire rope as claimed in claim 4, which is characterized in that the central steel in central strand
Silk, secondary cover wire and outermost layer gauge of wire are equal;The diameter phase of core wire and cover wire in outer layer strand
Deng.
6. elevator composite lifting band specialized wire rope as claimed in claim 5, which is characterized in that the steel wire diameter in central strand
It is identical as the gauge of wire in outer layer strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526750.0A CN108677573B (en) | 2018-05-29 | 2018-05-29 | Special steel wire rope for elevator composite hoisting belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526750.0A CN108677573B (en) | 2018-05-29 | 2018-05-29 | Special steel wire rope for elevator composite hoisting belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108677573A true CN108677573A (en) | 2018-10-19 |
| CN108677573B CN108677573B (en) | 2020-10-02 |
Family
ID=63808513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810526750.0A Active CN108677573B (en) | 2018-05-29 | 2018-05-29 | Special steel wire rope for elevator composite hoisting belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108677573B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110776670A (en) * | 2019-11-27 | 2020-02-11 | 李涛 | PU plastic-coated steel wire and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245829A (en) * | 2008-12-16 | 2011-11-16 | 贝卡尔特公司 | A cord having an improved adhesion promoting coating |
| CN202492758U (en) * | 2011-11-04 | 2012-10-17 | 江苏赛福天钢索股份有限公司 | Elevator steel wire rope with good balance and reelability |
| CN203593908U (en) * | 2013-09-18 | 2014-05-14 | 贝卡尔特公司 | Elevator cable |
| CN204898420U (en) * | 2015-09-07 | 2015-12-23 | 杭州欣源电梯部件有限公司 | High -rise elevator is with low extension wire rope |
| CN204898422U (en) * | 2015-08-05 | 2015-12-23 | 泰州祥润金属制品有限公司 | Modified wire rope |
| CN105537294A (en) * | 2015-12-07 | 2016-05-04 | 华勤钢丝绳有限公司 | Ultrahigh strength steel wire rope and wire drawing method thereof |
| CN205205556U (en) * | 2015-08-05 | 2016-05-04 | 泰州祥润金属制品有限公司 | Steelwire |
-
2018
- 2018-05-29 CN CN201810526750.0A patent/CN108677573B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245829A (en) * | 2008-12-16 | 2011-11-16 | 贝卡尔特公司 | A cord having an improved adhesion promoting coating |
| CN202492758U (en) * | 2011-11-04 | 2012-10-17 | 江苏赛福天钢索股份有限公司 | Elevator steel wire rope with good balance and reelability |
| CN203593908U (en) * | 2013-09-18 | 2014-05-14 | 贝卡尔特公司 | Elevator cable |
| CN204898422U (en) * | 2015-08-05 | 2015-12-23 | 泰州祥润金属制品有限公司 | Modified wire rope |
| CN205205556U (en) * | 2015-08-05 | 2016-05-04 | 泰州祥润金属制品有限公司 | Steelwire |
| CN204898420U (en) * | 2015-09-07 | 2015-12-23 | 杭州欣源电梯部件有限公司 | High -rise elevator is with low extension wire rope |
| CN105537294A (en) * | 2015-12-07 | 2016-05-04 | 华勤钢丝绳有限公司 | Ultrahigh strength steel wire rope and wire drawing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110776670A (en) * | 2019-11-27 | 2020-02-11 | 李涛 | PU plastic-coated steel wire and preparation method and application thereof |
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| Publication number | Publication date |
|---|---|
| CN108677573B (en) | 2020-10-02 |
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