CN1973082B - Cable and belt for a lift speed limiter and associated pulleys - Google Patents

Cable and belt for a lift speed limiter and associated pulleys Download PDF

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Publication number
CN1973082B
CN1973082B CN2004800430150A CN200480043015A CN1973082B CN 1973082 B CN1973082 B CN 1973082B CN 2004800430150 A CN2004800430150 A CN 2004800430150A CN 200480043015 A CN200480043015 A CN 200480043015A CN 1973082 B CN1973082 B CN 1973082B
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China
Prior art keywords
pulley
lift speed
rope strand
hawser
diameter
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Expired - Fee Related
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CN2004800430150A
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Chinese (zh)
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CN1973082A (en
Inventor
伊那科·阿兰布鲁艾格尔
米格尔·安吉尔·玛德滋米查尔斯
胡安·曼纽尔·派格尔德尔阿纳
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Orona S Coop
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Orona S Coop
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Publication of CN1973082A publication Critical patent/CN1973082A/en
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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
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • 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
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/1004—General structure or appearance
    • D07B2201/1008—Several parallel ropes
    • 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
    • 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
    • D07B2201/2059—Cores characterised by their structure comprising wires
    • D07B2201/2061—Cores characterised by their structure comprising wires resulting in a twisted structure
    • 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
    • D07B2205/2046—Polyamides, e.g. nylons
    • D07B2205/205—Aramides
    • 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

The invention relates to a cable and belt which are intended for lift speed limiters and to the associated pulleys. The inventive cable comprises high-strength steel wires which are grouped into strands which together form a core. The core is completely coated with a polymer material which is introduced into the cavities between the aforementioned strands, such as to produce an outer polymer surface having a diameter that is slightly greater than that of the core. According to the invention, the belts combine at least two metal cables comprising high-strength steel wires which are completely coated with a polymer material. The pulleys designed for said cables are semicircular or semicircular and equipped with a notch, having a reduced diameter, low aggressiveness and good adhesion, such as to provide a high coefficient of friction between the coated cable and the pulley, thereby conferring on the cable its high resistance to fatigue caused by bending and wear.

Description

The hawser and band and the pulley thereof that are used for lift speed
Goal of the invention
The present invention relates to lift speed, it comprises cable rope or belt and relevant pulley thereof, its role is to, at any operation out of control, in governing system be responsible for stopping transmit force between the mechanical device of passenger elevator.
The objective of the invention is to the cable rope or belt and have higher tensioning intensity, so that under the situation that does not influence governing system and device reliability of operation, can reduce the diameter of described rope, thereby it is lighter to obtain weight, and cost is low, manageable tension force transfer element (cable rope or belt), and governing system normally less, that weight is light, cost is low.
Another object of the present invention is, under circulation bending situation, the bending that produces when for example hawser passes the pulley of governing system or train, the cable rope or belt has higher fatigue strength, so that can reduce the diameter of described pulley, reduce the space that governing system occupies, save the space of lifting device in hoistway and in the building, reduced all element weight, simultaneously, when pulley rotated with high speed, the reliability of system was higher.
Another object of the present invention is, compare obvious increase in coefficient of friction between cable rope or belt and the governing system middle pulley and the conventional system, so that can use pulley to keep the interior required necessary traction of pulley with less groove, and then the cable rope or belt that influenced by pulley reduces, improve service life, becomes a non-maintaining system.
Background of invention
The speed governing element is made up of a pulley usually, and described pulley is connected with a fixing axle, and hawser is walked around pulley; terminal is connected with element, and the security of element is protected, and also comprises second pulley; it is connected with the other end that is fixed on axle, is used to strain the hawser of connection.Therefore, first above-mentioned pulley rotates with the speed w that following formula limits:
w＝v/R
V is the car of control or the space rate of counterweight herein, and R is the radius of hypervelocity speed governing element pulley.When w surpasses predetermined value, starting safety device.
Reduce the radius R of pulley, make the rotary speed of safety device become big, this will make its easier calibration, for conventional speeds and diameter, the calibration of these elements is complicated, and especially the element of low speed uses the specific speed regulator element of V less than the 0.5m/s normal speed in the market usually.
Existing speed regulator assembles with following two kinds of kind of designs:
First kind of kind of design also is the kind of design of normal use, and governing system is arranged on a fixing point of lifting device.Governing system has a head pulley, and the hawser that is used for transmitting driving force moves thereon, also can comprise angle pulley.The traction pulley can also be set, the tensile force of hawser in the assurance system.After hawser passed whole wheel apparatus, final and moving body was fixed, and this moving body hypervelocity will be protected.Tension force is absolutely necessary, so that when starting in system, hawser (bear usually governing system groove in frictional force) can transmit necessary power gives the element of being responsible for stopping moving body (normally emergency gear, its starting can stop moving body and hold it in the cage guide).So hawser forms closed-loop, its initiating terminal and terminal all are in the moving body, so that the moving body rectilinear motion is facilitated the rotation of interior train of governing system and angle pulley.
In the another kind of design, patent EP 1175367B1 and JUNG as Thyssen Krupp (Thyssenkrupp) elevator manufactory (France), described in the patent WO03091142 A1 of the patent WO03070615 A1 of Insook (Korea S) and Mitsubishi DenkiKabushikikaisha (Japan), arrangements for speed regulation are connected on the element of being controlled (moving body) fully, hawser than low side one weight that tension force is provided is set.Like this, the translation of moving body also will make the governing system rotation.Same governing system also can be started the inherently safe teeth parts, as, the rotation and the translation mode that produce by the speed governing element, in case exceed the speed limit, generation translation and/or rotatablely move in governing system is with across-the-line starting emergency gear element.
In this design, allow that the hawser on the pulley has 180-300 ° contact angle, improve the traction capacity (T1/T2) of system.
Other equipment use retaining element, as, the guide rail of device in people's such as James M.Draper the United States Patent (USP) 645,756.
At present, the common hawser that uses in the governing system must possess minimum diameter d=6mm, is determined that by the consideration item of adjusting the ratio of D/d must be more than or equal to 30, wherein D is the diameter of pulley, and this has determined minimum D value D=180mm and the corresponding size substantially of this device.
Hawser has different application in the lifting device, as the hawser of describing among the present invention, and the traction hawser that limits in the European patent EP 1273695, even as WO 9942589, WO9943885, the traction element in the non-circular cross section of WO0114630.The example of more pull rope is disclosed at document JP-9-021084 and DE-A-10215419.
The starting of emergency brake element (emergency gear) needs speed regulator that described element is applied the power of a minimum, the 300N or the twice of this power, thereby starting braking element.So just be necessary to use groove to guarantee reliable connection at conventional system, can cut into certain shape by the groove with the governing system middle pulley obtains, common semi cuts BETA groove angle, 100 ° to 105 ° of scopes, V-type recess groove or V-type between the GAMMA groove angle of 35 ° to 40 ° degree scopes do not have the recess groove, the latter need carry out surface hardening and handle, so that its hardness number reaches 50HRC or higher.This technology cost is higher, because himself characteristic and use the quality control that the back requires, so need special material.Use this kind groove to cause wearing and tearing by inevitable pulley groove and hawser to governing system, cause and need regularly replace these elements, the cost height if do not take precautions against, then may be caused danger in the device.Governing system needs CE authentication and mark, in case change parts, will make the management work of notification agent complicated.
On the other hand, use big pulley will make arrangements for speed regulation to rotate than low velocity, the element translation of starting is slower, and kinetic energy is less, causes calibration difficulties, especially in centrifugal arrangements for speed regulation.
Summary of the invention
The present invention includes high strength steel cable rope or belt, its surface-coated polymeric material, for example, polyurethane (polyurethane), can be used for the hypervelocity that arrangements for speed regulation detect lifting device, and the required power of emergency brake device that transmission is started and described lifting device is associated.
In arrangements for speed regulation, use high-intensity hawser can reduce the diameter of hawser, keep higher security simultaneously.Use the hawser of diameter in the common system, yet the metal cord in of the present invention has the less external diameter of 5mm, and be higher than 2000N/mm by intensity as d=6mm or larger diameter 2Cable forms.
This cable can become rope strand successively, forms the ground rope strand around a center line stock cloth, and the center line thigh can be fibrous by cable or high-intensity textiles or synthetic material such as Kai Fula (Kevlar).
Hawser can have multiple design, and a part can be bigger than another part elasticity, and a part can be than another part better utilization cross section, still, in any case, more than any all be to implement the present invention.
For band, the present invention is designed to have at least two metal cords with it, and it comprises that intensity is higher than 2000N/mm 2The line thigh that the high strength wirerope is synthetic, and form the metal-cored wire harness of diameter between 0.01 to 2mm, the heart yearn bundle is applied fully by polymeric material.The polymeric material outer surface of band can be surface smooth or that rise and fall.
By using aforesaid cable rope or belt, the diameter of pulley of security system can reduce.The reducing of security system middle pulley diameter impels whole system to diminish, and the space that occupies in axle and the building reduces.Reducing on the size also impels all element weight to lighten, and cost reduces.In the common system, metallic cable has a specified diameter d=6mm, and the pitch diameter of its pulley is D=180mm or bigger.Among the present invention, when hawser was circular cross-section, the pulley pitch diameter can be less than or equal to 150mm, and when being the band of any type, the pulley pitch diameter can be less than 100mm, and in this case, the present invention can run well in the safe coefficient of allowing or above under the situation of conventional system safe coefficient.
On the other hand, high-intensity steel cable is allowed less D/d ratio with common comparing, and can keep qualified level of security, also helps to reduce pulley pitch diameter D.In the prior art, well-known, diameter of pulley is subject to minimum and compares D/d=30.The assembly that uses the formation of rope (or band) wheel among the present invention is with the hawser that is coated with polymeric material (or band) operation together.Owing to be coated with polymeric material, coefficient of friction between hawser (or band) material and the pulley material big than in the legacy system, can use the band of flat surfaces and be applicable to the half slot pulley of circular hawser, thereby can make the hawser internal forces be significantly less than power in the conventional system.Allow like this to reduce parameter D/d value, can reach the level of security that is equal to or greater than the conventional system of ratio between 20 to 30 less than 30.
And, using this cable rope or belt, lubricating oil can remain on inside, and the hawser run duration on pulley is not in time disperseed by device, helps better lubricated inside cable and rope strand, improves the fatigue strength of hawser and governing system.Polymer coating prevents outside metal strand friction pulley groove, prevents the wearing and tearing of outside hawser simultaneously, because middle flexible material layer in the life-span of having improved hawser and pulley, can adopt non-maintaining system in practice.
Among the present invention, use circular hawser hint to use to have the pulley of smooth, protrusion or sunk surface.Described circular hawser can be used for the groove of different geometries, but in fact, the hawser that applies polymeric material make its with relevant speed governing element pulley groove between have higher friction system, this means and can use to restricting, as semicircle or semi-circular groove with holes than the groove of less wear.Use this groove can prolong the life-span of hawser, the pressure distribution between this rope sheave is more evenly distributed than other geometry, after circulating in a small amount, can not produce the pressure concentrated area that may damage cable.This will increase substantially the life expectancy of hawser, can reduce or even the expense of cancellation maintenance.
This is opposite with common governing system, and in the common governing system, half breach or the V-shaped groove of pulley are similar to the groove that is used for traction sheave, therefore they can produce wearing and tearing, need to detect and carry out necessary maintenance work, guaranteeing the traction capacity of governing system, then the needing of excessive abrasion changed.Because what the layout that adopts and the material of use, described governing system can stop pulley groove may produce any wearing and tearing, compare with common system and have longer service life, and minimum is reduced in maintenance work, even may be non-maintaining.
The train that is used for hawser that the speed governing element uses can be metal or nonmetallic materials, have semicircle or recess semicircle design groove angle BETA and equal 0 °, the contact arc ALPHA=25 of pulley upper cable ° to 50 °.If band, train can have surface flat, that protrude or cave in.
Therefore, the metal core wire beam diameter of hawser can be for being less than or equal to 5mm, and preferably between the d=2 to 4, the pulley pitch diameter value scope of speed governing element can be for being less than or equal to 150mm, preferably between the D=75 to D=100mm.
For flat rubber belting, it has two interior metal hawsers at least, and diameter range is between d=0.01 and 2mm, and the pulley pitch diameter is less than or equal to 100mm.
Among the interchangeable embodiment, pulley can be made by metal material, and its groove can apply synthetic material, and metal cord can not have coating.
Description of drawings
According to wherein preferably using embodiment to remark additionally, and purpose is to help people that feature of the present invention is better understood, and shows following illustrated and non-limiting feature as a cover accompanying drawing of described major part.
Figure 1 shows that the sectional view of a class hawser.
Figure 2 shows that the sectional view of another kind of hawser, wherein, the center rope strand is with woven material or high-intensity synthetic material such as Kai Fula (Kevlar) fiber or the rope strand of similar substance substitutes.
Fig. 3 passes two pulleys with difform groove for hawser shown in Figure 1, i.e. the semi-circular recesses of semicircle or band recess.
Fig. 4 a to Fig. 4 c is depicted as the dissimilar design of hawser.
Fig. 4 d to Fig. 4 e is depicted as the dissimilar design of band.
Figure 5 shows that governing system, its becket bridle begins and ends to be positioned at the emergency gear element on the moving body, when not influencing the principal character of system, may also have other design.Arrangements for speed regulation are located on the fixing point of this device.
Figure 6 shows that the design of hypervelocity governing system, wherein becket bridle begins and ends at the emergency gear element on the moving body, when not influencing the principal character of system, may also have other design.At this moment, arrangements for speed regulation move with moving body.
Figure 7 shows that the tensioning portion design of rope, when not influencing the principal character of system, may have other design.
Figure 8 shows that a kind of governing system, wherein arrangements for speed regulation move with the moving body on it, but different with aforementioned system, traction directly sends the emergency gear element to by the speed governing element.Like this, rope has the effect of the pulley rotation that makes the speed governing element, thereby detects the space rate of elevator lifting, produces signal when hypervelocity takes place, and offers the power of speed governing element starting emergency gear element necessity.
Figure 9 shows that the mode of action of the power of governing system when starting.
Figure 10 shows that the another kind of embodiment of second class of governing system.
Preferred embodiment
Figure 1 shows that the wire strands that has polymer coating.Described wire strands comprises cable (1), is generally wirerope, according to the geometric shape of certain cross section, makes its rotation form helical form, forms a rope strand (3) at last.Wire can be identical in the described rope strand (3), as shown in Figure 1, also can be inequality.Cable can be concentrated configuration usually, to constitute level.
Different rope strand (3) can set gradually with the rope strand described in the epimere, as: be arranged to have a certain pattern of a uniform section, subsequently its rotation formed the helical form rope strand, same, helical metal wire also can constitute one.
Figure 1 shows that other rope strand distributes around the rope strand at its center, and Fig. 2, the wire rope strand that is positioned at the center is with woven material or high-intensity synthetic material such as fiber or the rope strand of analog substitutes.
The metal-cored wire harness that is formed rope by a plurality of rope strands (3) is provided with polymer coating (2) on every side, as polyurethane, the cylindrical diameter of section of described polymer coating near or slightly greater than the diameter of metal-cored wire harness, so coating can not increase heart yearn bundle pitch diameter and metallizing heart yearn bundle fully.
Fig. 3 passes the groove (5,5 ') of the different metal pulley (2,2 ') of the arrangements for speed regulation in the lifting means for the rope shown in Fig. 1.Although the present invention has given the feature of rope stretching, these pulleys also can have different groove (5,5 ') shape, and the shape of groove is not unique, as the groove (5) of semi-circular shape or have the groove (5 ') of the semi-circular shape of recess, all are fine.
Shown in Fig. 4 C, the strand diameter of center is bigger than the strand diameter around it.Can guarantee that like this polymer can enter between the outer layer strands in the formed space, strengthen the overall performance of system and the switching performance between metal part and the polymer.
Will make referrals to below about the contrast between the canonical parameter of the used assembly pulley of the canonical parameter that is used for the assembly pulley on the common arrangements for speed regulation and the present invention.
Be used for the semi-circular recesses that groove on the common arrangements for speed regulation is generally the band recess, its BETA angle of the v-groove between 100 ° to 105 °, through or do not have harveyed V-type groove, its GAMMA angle of the v-groove is between 35 ° to 40 °.
Pulley in the conventional system, having half opening groove BETA angle is 105 °, the pulley pitch diameter is 200mm, according to the tension force of traction sheave, the particular pressure value that hawser bore 3.5 to 7N/mm 2Coefficient of friction " f " is between 0.4 to 0.5, and the traction capacity T1/T2 that this design (supposing that the coefficient of friction between rope and the groove is μ=0.2) is reached is between 3.5 to 4.
Pulley in the conventional system has angle and is 40 ° of V-type grooves that do not have sclerosis, and its BETA groove angle is 105 °, and the pulley pitch diameter is 200mm, according to the wear intensity of the tension force and the pulley groove of traction pulley, the pressure that hawser bore probably 4 to 8.5N/mm 2Coefficient of friction " f " is between 0.5 to 0.6, and the traction capacity T1/T2 that this design (supposing that the coefficient of friction between rope and the groove is μ=0.2) is reached is between 6 to 6.5.
Pulley in the conventional system has the V-type groove of sclerosis, and its GAMMA angle is 40 °, and the pulley pitch diameter is 200mm, according to the tension force of traction pulley, the pressure that hawser bore 3.5 to 6.5N/mm 2Coefficient of friction in this design " f " is between 0.5 to 0.6, and the traction capacity T1/T2 that (supposing that the coefficient of friction between rope and the groove is μ=0.2) reached is between 6 to 6.5.
By the interior flat rubber belting that is provided with metallic cable, the rope described in the present invention can bear the value of thrust doubly than 3-5 under the identical situation in the above-mentioned situation, and therefore can obtain one is similar to the force value that obtains in the described example.Two strip metal hawsers preferably are set in the described flat rubber belting at least, and between the 2mm, and the pulley of arrangements for speed regulation should have surface flat, depression or that protrude to its pitch diameter value at d=0.01, and its pitch diameter should be less than or equal to 100mm.
By using strength at 2000N/mm 2The metal cord that above cable forms, and have polymer coating, as polyurethane, coefficient of friction of the present invention big than in the conventional system, it is worth greater than μ=0.4.The experiment test result is greater than μ=0.5.Can make the traction capacity T1/T2 value of system reach value more than 8 like this, therefore can reduce the tension force of hawser, and reduce the specified pressure of rope, increase the service life of rope.
According to a kind of arrangements for speed regulation of the present invention, it is characterized in that having the semi-circular recesses pulley of castings material, the angle A LPHA of its wiring is 30 °, the pulley pitch diameter is 200mm, and according to the tension force of traction pulley, pitch diameter is that the pressure-bearing of d=2mm wire strands is 1.2 to 1.5N/mm 2, the value that this value should be when using in conventional system, this value be clearly less than the value that is reached in the conventional system, and add the advantage of the rope of coating, more guaranteed the substantial service life of governing system.
According to a kind of arrangements for speed regulation of the present invention, it comprises the pulley of castings material, and described pulley has semi-circular recesses and ALPHA angle=30 °, and pitch diameter is 80mm, according to the tension force of traction pulley, pitch diameter for the d=2mm wire strands can bear pressure 3 to 4N/mm 2, the value that this value should be when using in conventional system.The value that this value is equal to or less than in the conventional system to be obtained, and add the advantage of the rope of coating can guarantee the service life of system, and this also equaled or greater than service life of common governing system.
Figure 6 shows that governing system based on this design, wherein governing system can move with the motion assembly, but rope is by fixed pivot portion fixed thereon, the bottom applies a gravity, semi-circular recesses, ALPHA angle=30 °, pitch diameter is 80mm, according to the tension force of tension roller, pitch diameter for the d=2mm wire strands can bear pressure 1 to 3N/mm 2, this value will be littler than income value in the conventional system, even less than situation described above.This value is littler than the value that is obtained in the conventional system, adds this advantage of rope of coating, can guarantee to surpass the service life of system the service life of common governing system.
Fig. 5 and the metallic cable that Figure 6 shows that governing system are by bearing greater than 2000N/mm 2The cable of power form, and its outside diameter is less than or equal to 5mm, the surface is without any coating.Described rope passes the groove of arrangements for speed regulation middle pulley, and described rope is a metallic cable, and scribbles one layer of polymeric outward, and as polyurethane or resin, this design can increase the coefficient of friction between rope and the pulley.
As shown in Figure 9, the tension force that the present invention requires to restrict is less than desired tension force in the conventional system, usually require as shown in Figure 5 G=50kg to G=100kg and as shown in Figure 6 at G=25kg between the G=50kg.
Fig. 9, the design of becket bridle formula is as follows:
F1+GR+G/2-T2＝0
Suppose that experimental data records: T1/T2=8, the tension value of rope requires between 10 to 12kg, and this depends on the path of device.The common rope of weight ratio of cable rope or belt of the present invention in light weight, it is worth between 0.04 to 0.1kg/m.Like this when elevator when quickening or slow down, can reduce the influence that inertia caused that a large amount of ropes moves generation.
Among Fig. 9, the design formula when having only a rope is as follows:
F1+GR+G-T2＝0
Suppose that experimental data records: T1/T2=10 (bigger slightly than value noted earlier, as, to increase the contact angle of the rope on the arrangements for speed regulation pulley possibly) because in the middle of reality, the tension value of rope is between 5 to 8kg, and this depends on the path of device.This tension force is clearly less than conventional system, and in fact, inertia effects is reduced to minimum, has reduced the pressure to restricting when rope passes pulley.Therefore, the present invention provides a kind of non-maintaining system in fact.
Use high strength wire rope in the hawser, can increase the service life equally, mechanical performance is improved, be better than foregoing effect more.

Claims (10)

1. a lift speed comprises hawser, and described hawser comprises the high-intensity wirerope (1) that forms rope strand (3), and described rope strand forms the heart yearn bundle successively, it is characterized in that, described wirerope intensity is greater than 2000N/mm 2, the diameter of described heart yearn bundle is less than or equal to 5mm, and described heart yearn bundle is applied fully by polymeric material (2), and described polymeric material enters between rope strand (3) in the space that limits, and makes the outer polymer surface diameter slightly greater than the diameter of heart yearn bundle.
2. lift speed according to claim 1 is characterized in that, described heart yearn beam diameter scope is between 2 to 4mm.
3. lift speed according to claim 1 is characterized in that, described heart yearn bundle comprises center rope strand (4), and described center rope strand (4) is a textile material.
4. lift speed according to claim 1 is characterized in that, described heart yearn bundle comprises center rope strand (4), and described center rope strand (4) is a synthetic material.
5. lift speed, described lift speed comprises band, it is characterized in that, and described band comprises at least two metal cords, and described metal cord comprises the high strength wirerope (1) that forms rope strand (3), and described wirerope (1) intensity is greater than 2000N/mm 2, described rope strand forms metal-cored wire harness, and the diameter range of described heart yearn bundle is 0.01mm to 2mm, and is applied fully by polymeric material (2).
6. lift speed according to claim 5 is characterized in that, the outside polymeric material surface of described band comprises the plane.
7. lift speed according to claim 5 is characterized in that, the outside polymeric material surface of described band comprises contoured surface.
8. according to the described lift speed of arbitrary claim in the claim 5 to 7, it is characterized in that also comprise pulley, the pitch diameter of described pulley is less than or equal to 100mm.
9. lift speed, comprise hawser and pulley, described hawser comprises the high-intensity wirerope (1) that forms rope strand (3), described rope strand forms the heart yearn bundle successively, it is characterized in that, described pulley comprises the synthetic material coating that is arranged in its groove, and described pulley pitch diameter is less than or equal to 150mm, and described wirerope is that intensity is greater than 2000N/mm 2The high strength wirerope, described heart yearn beam diameter is smaller or equal to 5mm.
10. elevator, it is provided with the described lift speed of arbitrary claim among the claim 1-9.
CN2004800430150A 2004-05-10 2004-07-12 Cable and belt for a lift speed limiter and associated pulleys Expired - Fee Related CN1973082B (en)

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ES200401118A ES2253981B1 (en) 2004-05-10 2004-05-10 CABLE AND TAPE FOR LIFT SPEED LIMITER AND ASSOCIATED PULLEYS.
ESP200401118 2004-05-10
PCT/ES2004/000331 WO2005108672A1 (en) 2004-05-10 2004-07-12 Cable and belt for a lift speed limiter and associated pulleys

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ATE546583T1 (en) 2012-03-15
US20070221452A1 (en) 2007-09-27
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EP1748104B1 (en) 2012-02-22
ES2379353T3 (en) 2012-04-25
PT1748104E (en) 2012-03-15
BRPI0418768A (en) 2007-10-09
WO2005108672A1 (en) 2005-11-17
CN1973082A (en) 2007-05-30
MXPA06012983A (en) 2007-05-04
KR20070047242A (en) 2007-05-04
RU2006143639A (en) 2008-06-20
EP1748104A1 (en) 2007-01-31
JP2007536186A (en) 2007-12-13
ES2253981B1 (en) 2007-06-16

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