CN102616628B - Elevator equipment and cable maintenance device - Google Patents
Elevator equipment and cable maintenance device Download PDFInfo
- Publication number
- CN102616628B CN102616628B CN201210014849.5A CN201210014849A CN102616628B CN 102616628 B CN102616628 B CN 102616628B CN 201210014849 A CN201210014849 A CN 201210014849A CN 102616628 B CN102616628 B CN 102616628B
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- Prior art keywords
- hoist cable
- strand bundle
- core
- strand
- resin
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Classifications
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
- D07B1/145—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising elements for indicating or detecting the rope or cable status
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- 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
- D07B2201/2048—Cores characterised by their cross-sectional shape
- D07B2201/2049—Cores characterised by their cross-sectional shape having protrusions extending radially functioning as spacer between strands or wires
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- 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
- D07B2201/2053—Cores characterised by their structure being homogeneous
-
- 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
- D07B2201/2087—Jackets or coverings being of the coated type
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- 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
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- 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
Landscapes
- Ropes Or Cables (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention aims to provide a cable maintenance device and a piece of elevator equipment with such a cable maintenance device, in which independent current respectively flows through each cord bundle that constitutes a resin-wrapped cable so as to determine whether the cord bundles are contacted with each other. The elevator equipment of the invention has lift bodies (3, 4), cables (1) and a cable hoist. Each cable (1) has a core portion, multiple core bundles and an outer resin layer. The core portion is made of resin and is disposed in the middle of the cables. The multiple core bundles are formed by twisting strands of conductors. The outer resin layer covers the core portion and the outer periphery of the multiple core bundles. Furthermore, the elevator equipment also comprises a cable maintenance device, where the end portions of the cables are equipped with a connector (7). Independent current flows through each cord bundle through wires (9) to detect the state of the current, thereby determining whether the cord bundles are contacted with each other.
Description
Technical field
The present invention relates to a kind of lift facility and hoist cable testing fixture thereof with hoist cable testing fixture.
Background technology
Existing traction elevator is configured to wire rope roll on the rope sheave of winch, centered by rope sheave (Sheave), at a side suspention lift car, be used for keeping with lift car the counterbalanced weight of balance in opposition side suspention, carry out lifting in the mode of well-bucket.In general, steel rope is by steel wire twisted being become to bundled steel wires (hereinafter referred to as " strand "), and further bundled steel wires carried out to twisted and form.This steel rope is because of bending sustaining damage on rope sheave and pulley repeatedly.Below the process of the kind because of the bending damage causing and hoist cable fracture is described.The damage that hoist cable occurs because of alternating bending has the steel wire abrasion that the flexural fatigue of steel wire destroys, produces because of strand skidding each other and wears away because contact the steel wire producing with rope sheave.In the time having there is above-mentioned damage, first rupture as the steel wire of steel rope inscape, reach after some at the steel wire of fracture, rupture of strands, and reached after some in the fracture of strand, cause steel rope final fracture.Because the fracture location of steel wire is along with the increase of number of bends increases, thus in periodic inspection, by range estimation or testing fixture, the fracture place of steel wire is confirmed, to diagnose steel rope whether to continue to use safety.
On the other hand, in recent years, in order to realize the path of rope sheave and the long service life of hoist cable, developed the hoist cable (hereinafter referred to as " resin-coating hoist cable (Resin-covered Wire Rope) ") that is coated with resin on steel rope.This hoist cable obtains flexibility by dwindling as the gauge of wire of hoist cable inscape.In the time making resin-coating hoist cable, first steel wire is carried out twisted and forms strand (Strand), and further strand is carried out twisted and forms strand group (hereinafter referred to as " strand bundle (Schenkel) "), further strand Shu Jinhang twisted is made to steel rope.In order to prevent being in contact with one another between each strand bundle, between each strand bundle, be filled with resin.In addition, in order to prevent coming in contact between steel wire and rope sheave, by resin, the skin of steel rope is coated, extends service life (for example, with reference to patent documentation 1) of steel rope with this.
As the testing fixture of this resin-coating hoist cable of elevator, having disclosed causing one of reason of steel wire fracture is the testing fixture that the contact between strand bundle checks.In this testing fixture, non-conterminous each strand bundle is electrically connected to each other, have or not and conduct to detect between adjacent strand bundle whether contact has occurred by confirmation.Confirming as while having there is contact between strand bundle, be arranged on central monitoring position siren horn action and to supervisory personnel give the alarm (for example, with reference to patent documentation 2).
In addition, also disclose and check the testing fixture that is encased the strand damage of the bearer cable of the platypelloid type that flexible steel wire forms by resinous sheath, it is by making electric current flow through bearer cable, and checks the damage (for example, with reference to patent documentation 3) of strand according to the response of the resistance value of hoist cable.
In addition, also disclose the adaptor union for the bearer cable of above-mentioned platypelloid type, it is for setting up and be electrically connected (for example, with reference to patent documentation 4) applying between the controller of electric signal and flexible steel wire.
Formerly technical literature
Patent documentation
The patent documentation 1 open patent 2006-28671 of Japan communique
The patent documentation 2 patent Patent 2007-322701 of Japan communiques
The special table of patent documentation 3 Japan's patent 2002-540419 communique
The special table of patent documentation 4 Japan's patent 2007-529391 communique
As mentioned above, the resin-coating hoist cable of using for elevator, disclose by detection and formed and between the strand bundle of this hoist cable, have or not the hoist cable testing fixture whether contact has occurred between the strand bundle that conducts to detect hoist cable inside, but these testing fixtures need to make electric current flow through strand bundle, so be necessary to make resin-coating hoist cable to be electrically connected with hoist cable testing fixture.
By patent documentation 3 and the disclosed testing fixture for platypelloid type bearer cable of patent documentation 4, on the flexible steel wire being arranged in parallel, apply electric signal to detect the damage of flexible steel wire.But in the circular hoist cable as resin-coating hoist cable, each strand bundle is in the circumferentially spirally rotation of hoist cable, so be difficult to by make electric current intrafascicular mobile at strand from the circumferential electrode insertion of hoist cable.In addition, in the hoist cable of being lived by resin-coating by patent documentation 1 and the disclosed steel wire of patent documentation 3, when hoist cable cutting carrying out hoist cable installation exercise, cutter sweep from hoist cable circumferentially towards the effect of the shearing force of center position, hoist cable may produce distortion etc., may cause thus producing between the adjacent strand bundle at hoist cable section place contact, or cause producing between flexible steel wire contact.In the case of having produced between the strand bundle of hoist cable section contact, cannot detect the contact between the strand bundle of resin-coating hoist cable inside.
Summary of the invention
The object of the present invention is to provide a kind of hoist cable testing fixture and have the lift facility of this hoist cable testing fixture, each strand bundle that wherein this hoist cable testing fixture forms resin-coating hoist cable by electric current is independently flow through is respectively diagnosed between strand bundle and is had or not and come in contact.
In order to achieve the above object, lift facility of the present invention has lifting body, suspend the hoist cable of described lifting body in midair and drive the winch of described hoist cable, described lift facility is characterised in that, described hoist cable has core, multiple strand bundles and outermost resin, described core is made up of resin, be arranged on the core of described hoist cable, described multiple strand bundle is formed by the strand twisted of conductor, described outermost resin covers the periphery of described core and described multiple strand bundles, described multiple strand bundle is and arranges radially and twisted in discontiguous mode each other around described core, and be coated by described outermost resin under this state, further be provided with hoist cable testing fixture, the sleeve of described hoist cable testing fixture is arranged on the end of described hoist cable, tapered member is arranged on the described core of described hoist cable section from being arranged on the patchhole of hoist cable section side of described sleeve, to guarantee the insulation between described multiple strand bundles at described hoist cable section place, each strand bundle intrafascicular with respect to described multiple strands, the contact member that contact member is inserted to the described hoist cable side face side that is arranged on described sleeve inserts in the hole, make described contact member run through described outermost resin and described contact member is contacted with strand bundle described in each respectively, connect described contact member and wire, make independently electric current flow through respectively strand bundle described in each by described wire, detect the contact between described strand bundle by detecting the state of this electric current.
In addition, the present invention also provides a kind of hoist cable testing fixture, it is the hoist cable testing fixture for lift facility, described lift facility has lifting body, suspend the hoist cable of described lifting body in midair and drive the winch of described hoist cable, described hoist cable has core, multiple strand bundles and outermost resin, described core is made up of resin, be arranged on the core of described hoist cable, described multiple strand bundle is formed by the strand twisted of conductor, described outermost resin covers the periphery of described core and described multiple strand bundles, described multiple strand bundle is and arranges radially and twisted in discontiguous mode each other around described core, and be coated by described outermost resin under this state, described hoist cable testing fixture is characterised in that, there is sleeve, tapered member, contact member and wire, described sleeve is arranged on the end of described hoist cable, described tapered member is arranged on the described core of described hoist cable section from being arranged on the patchhole of hoist cable section side of described sleeve, for guaranteeing the insulation between described multiple strand bundles at described hoist cable section place, each strand bundle that described contact member is intrafascicular with respect to described multiple strands, the contact member that insertion is arranged on the described hoist cable side face side of described sleeve inserts in the hole, and run through described outermost resin and contact with strand bundle described in each respectively, described wire is connected with described contact member, described hoist cable testing fixture makes independently electric current flow through respectively strand bundle described in each by described wire, and detect the contact between described strand bundle by detecting the state of this electric current.
Invention effect
According to hoist cable testing fixture involved in the present invention and there is the lift facility of this hoist cable testing fixture, owing to making independently electric current flow through respectively each strand bundle, so can detect the contact between the adjacent strand bundle of hoist cable inside by hoist cable testing fixture.Thus, can grasp the replacing period of hoist cable, improve the reliability of hoist cable maintenance.
Brief description of the drawings
Fig. 1 is the constructional drawing of the elevator with hoist cable testing fixture of an embodiment of lift facility involved in the present invention.
Fig. 2 is the hoist cable section drawing of an embodiment of lift facility involved in the present invention.
Fig. 3 is the hoist cable section figure describing for the contact between the strand bundle of an embodiment of the lift facility to involved in the present invention.
Fig. 4 is the hoist cable inner section figure describing for the contact between the strand bundle of an embodiment of the lift facility to involved in the present invention.
Fig. 5 is the constructional drawing of the adaptor union of an embodiment of lift facility involved in the present invention.
Fig. 6 is the section drawing of the adaptor union of an embodiment of lift facility involved in the present invention.
Fig. 7 is the birds-eye view after the adaptor union of an embodiment of lift facility involved in the present invention connects.
Fig. 8 is the section drawing after the adaptor union of an embodiment of lift facility involved in the present invention connects.
Fig. 9 is the instruction diagram that the connection after the adaptor union of the embodiment to lift facility involved in the present invention connects is confirmed.
Nomenclature
1 resin-coating hoist cable
2 rope sheaves
3 lift cars
4 counterbalanceds weight
5 hoist cable stop sleevees
6 hitch rods
7 adaptor unions
8 hoist cable testing fixture main bodys
9 wires
10 Call centers
11 testers
101 resin-coating rope ends
102 metal filaments
103 strands
104 strand bundles
105 inner layer resins
106 outermost resins
107 hoist cable sections
108 resin-coating hoist cable inner section
701 sleeves
702 tapered member patchholes
703 knock holees
704 tapped bore
705 datum lines
706 tapered members
707 contact screws
708 end differences
709 wire patchholes
710 hoist cable insert ports
711 negative threads
712 spaces
901 terminals
Detailed description of the invention
Referring to accompanying drawing, the embodiment of the lift facility with hoist cable testing fixture involved in the present invention is described.
Fig. 1 is the constructional drawing of the lift facility with hoist cable testing fixture of an embodiment of lift facility involved in the present invention.As shown in the figure, rope sheave 2 is installed on winch, on rope sheave 2, be wound with resin-coating hoist cable 1, centered by rope sheave, there is lift car 3 in a side suspention, be useful in its opposition side suspention the counterbalanced weight 4 that keeps balance with lift car, this resin-coating hoist cable 1 is supported on building by hoist cable stop sleeve 5 and hitch rod 6.Hoist cable testing fixture main body 8 is arranged on resin-coating rope end 101 by adaptor union 7.So, in the lift facility of present embodiment, suspend lift car 3 and the counterbalanced weight 4 as lifting body in midair by resin-coating hoist cable 1.Drive resin-coating hoist cable by rope sheave 2 rotations that make to be arranged on winch, make thus lifting body lifting in hoist trunk.
Hoist cable testing fixture main body 8 is connected by wire 9 with adaptor union 7, and hoist cable testing fixture main body 8 is connected by communication network with Call center 10.Thus, monitor resin-coating hoist cable 1 by Call center 10.When detecting while having there is contact between strand bundle, to hoist cable supervisory personnel report, carry out more accurate hoist cable inspection and guarantee the safety of this resin-coating hoist cable 1 by leakage magnetic flux testing fixture by hoist cable supervisory personnel.
Fig. 2 is the hoist cable section drawing of an embodiment of lift facility involved in the present invention.Resin-coating hoist cable 1 is by forming strand 103 by metal filament 102 twisteds, further strand 103 twisteds formed to strand bundles 104, finally by strand bundle twisted around the inner layer resin 105 for example being formed by polyurethane and form.In addition, be coated by the outermost resin 106 for example being formed by polyurethane in the periphery of strand bundle 104, to prevent that strand bundle and rope sheave from coming in contact.Thus, each strand bundle is protected by resin-coating, conventionally can not come in contact each other.
As mentioned above, the resin-coating hoist cable 1 of present embodiment comprise by resin form and be arranged on the many strand bundles 104 that form as the inner layer resin 105 of core, by metal stranding line 103 twisteds as conductor of middle body, for the coated outermost resin 106 as the inner layer resin 105 of core and the periphery of many strand bundles 104, many strand bundles 104 are and arrange radially and twisted in the mode not coming in contact each other around the inner layer resin 105 as core, and are coated by outermost resin 106 under this state.
This resin-coating hoist cable 1 is because of bending sustaining damage on rope sheave and pulley repeatedly.Below the process of the kind because of the bending damage causing and hoist cable fracture is described.The damage that hoist cable occurs because of alternating bending has the abrasion of the metal filament 102 that the flexural fatigue of metal filament 102 destroys, produces because of strand 103 skidding each other, because of the abrasion of the outermost resin 106 that produces with rope sheave friction and because of skid the each other abrasion of the metal filament 102 producing of strand bundle 104.In the time having there is above-mentioned damage, first rupture as the metal filament of hoist cable inscape, reach after some at the metal filament of fracture, cause rupture of strands, and reach after some in the fracture of strand, cause the fracture of strand bundle, finally cause hoist cable fracture.
Below strand bundle skidded each other and cause the process of strand Shu Fasheng fracture to describe.In the time that hoist cable is bending, be filled between inner layer resin 105 between strand bundle and strand bundle and occur relative skidding, inner layer resin 105 produces and wears away.Along with the increase of number of bends, the abrasion loss of inner layer resin 105 increases.Thus, the sectional area of this inner layer resin 105 reduces or distortion appears in cross sectional shape, and adjacent strand bundle 104 is come in contact each other.Occurred each other at strand bundle 104 under the state of contact, when resin-coating hoist cable 1 has occurred when bending, strand bundle occurs relatively to skid under the state of contact each other.Its result, the metal filament 102 that forms strand bundle wears away.
This damage is to be caused by the abrasion of inner layer resin 105, because these abrasion are the abrasion between metal and resin, so cannot avoid.And, on each strand bundle due to formation resin-coating hoist cable 1, there is no apply grease, so can be accompanied by mutually and skid, the namely directly friction of contact between metal between strand bundle.Because the face producing between metal filament 102 because of this contact is pressed the face pressure producing higher than contact between the metal filament 102 because of in strand bundle, so causing the abrasion speed of metal filament 102 accelerates, compared with the damage of other kinds, the crack velocity of the hoist cable that this damage causes is faster, therefore, be necessary establish can prevent hoist cable because of the contact between strand bundle occur fracture maintenance procedure.For this reason, first detect as the contact between the strand bundle of the omen of hoist cable internal injury, between strand bundle, occurred after contact detecting, the maintenance procedure that detects the fracture of strand by periodic inspection is a kind of actv. maintenance procedure, and it can guarantee the safety of resin-coating hoist cable.
Fig. 3 is the hoist cable section figure describing for the contact between the strand bundle of an embodiment of the lift facility to involved in the present invention.In the time carrying out the installation exercise of lift facility, the hoist cable cutting machine by fluid pressure type etc. carrys out the coated hoist cable 1 of cutting resin, and in the time of cutting, compressive and shearing force act on the section of hoist cable.Shearing force is cut off hoist cable, and compressive force makes inner layer resin 105 and outermost resin 106 deform, thereby likely causes coming in contact between the adjacent strand bundle 104 on hoist cable section 107.Because may not having relevance with the hoist cable life-span, the above-mentioned contact occurring at hoist cable section occurs, so need to take measures to prevent from coming in contact on section between strand bundle 104.
Fig. 4 is the hoist cable inner section figure describing for the contact between the strand bundle of an embodiment of the lift facility to involved in the present invention.In the above description, the contact of section is illustrated, and below meeting is brought the contact between the strand bundle 104 of resin-coating hoist cable inside of significant impact to describe to the life-span of hoist cable.After lift facility brings into operation, along with hoist cable increases by the number of times of rope sheave, the abrasion aggravation of the inner layer resin 105 of resin-coating hoist cable inner section 108.Thus, there is sectional area and reduce the situation of being out of shape with cross sectional shape in this inner layer resin 105, makes to come in contact between the adjacent strand bundle 104 in resin-coating hoist cable inner section 108.
Fig. 5 is the constructional drawing of the adaptor union of an embodiment of lift facility involved in the present invention.Hoist cable testing fixture in present embodiment is configured to make keep good insulation between the strand bundle 104 at hoist cable section place, and can detect the contact between the strand bundle 104 of resin-coating hoist cable inside.Adaptor union 7 forms by the tapered member 706 of sleeve 701, screw-like and as the contact screw 707 of contact member.The shape of sleeve 701 is configured to the rope end 101 of the coated hoist cable 1 of covering resin.That is to say, the shape of sleeve 701 is configured to cover hoist cable section 107 and the circumferential surface sections of the resin-coating hoist cable 1 of specified length from this section.In addition, be provided with the tapered member patchhole 702 inserting for tapered member 706 and the knock hole 703 of confirming strand bundle 104 positions of hoist cable section 107 in the hoist cable section side of sleeve 701, being provided with in the hoist cable side face side of sleeve 701 the contact member patchhole being screwed into for contact screw 707 is tapped bore 704.
Fig. 6 is the section drawing of the adaptor union of an embodiment of lift facility involved in the present invention, the A-A cross section of presentation graphs 5.As shown in Figure 6, the datum line 705 that the position in the double thread hole 704 shown in wire patchhole 709 and the Fig. 5 that except said structure, be also processed to form negative thread 711 on sleeve 701, inserts for wire 9 positions.Tapered member patchhole 702 is arranged on the position coaxial with inner layer resin 105.Each knock hole 703 is separately positioned on the position coaxial with each strand bundle 104.The position of datum line 705 is positioned on the connection lead that connects tapered member patchhole 702 center and knock hole 703 center.In addition, in the time that the pitch length of the strand bundle of hoist cable is L, the distance of being separated by with hoist cable section 107 in vertical direction that tapped bore 704 is arranged on sleeve is h=nL, in the twisted direction of strand bundle from week the angle of rotating of datum line 705 be upwards the position of θ=360 ° × n (n is rational number).
As shown in Figure 6, resin-coating rope end 101 inserts sleeve 701 from hoist cable insert port 710, and till being inserted into end difference 708 always and contacting with hoist cable section 107.Now, sleeve 701 is configured to make knock hole 703 coaxial with each strand bundle 104 of hoist cable section 107 respectively.Tapered member 706 inserts from tapered member patchhole 702, and contact screw 707 inserts from tapped bore 704, and wire 9 inserts from wire patchhole 709.In addition, terminal 901 is connected with the front end of wire 9.By making contact screw 707 by this terminal 901, wire 9 is fixed on adaptor union 7.Meanwhile, wire 9 contacts with contact screw 707 and can distinguish conductings with each strand bundle 104.
Fig. 7 is the birds-eye view after the adaptor union of an embodiment of lift facility involved in the present invention connects.In the time connecting this adaptor union 7 with resin-coating rope end 101, first sleeve 701 is arranged on make each knock hole 703 respectively with the coaxial position of each strand bundle 104 of hoist cable section 107 on, each strand bundle that makes thus hoist cable section 107 respectively with the hoist cable cross section of the position of tapped bore 704 in each strand bundle coaxial.Then, tapered member 706 is screwed into the inner layer resin 105 of hoist cable section 107 from tapered member patchhole 702, finally each contact screw 707 is screwed into the position contacting with each strand bundle respectively from each tapped bore 704 respectively.
Fig. 8 is the section drawing after the adaptor union of an embodiment of lift facility involved in the present invention connects, the A-A cross section of presentation graphs 7.Hoist cable section 107 contacts with the end difference 708 of sleeve 701.Tapered member 706 is screwed into the inner layer resin 105 of hoist cable section 107 from tapered member patchhole 702.Now, inner layer resin 105 as core is expanded towards peripheral direction from inner layer resin 105 center under the effect of tapered member 706, each strand bundle 104 is separated each other, thus, can guarantee easily that each strand bundle 104 is the insulation at hoist cable section 107 places at rope end.And by tapered member 706 is screwed into inner layer resin 105, inner layer resin 105 is outstanding towards space 712 from hoist cable section 107.Thus, outstanding from hoist cable section 107 by inner layer resin 105, make it possible to guarantee the gap between strand bundle by the shape of inner layer resin 105, thereby can guarantee the insulation at hoist cable section place between each strand bundle.In addition, in the time that the pitch length of the strand bundle of hoist cable is L, the distance of being separated by with hoist cable section 107 in vertical direction that contact screw 707 is arranged on sleeve is h=nL, in the twisted direction of strand bundle from week the angle of rotating of datum line 705 be upwards the position of θ=360 ° × n (n is rational number).This contact screw 707 is screwed into outermost resin 106 via terminal 901, and contacts with strand bundle 104.Thus, this strand bundle is electrically connected with wire 9.
As mentioned above, at a distolateral adaptor union 7 that arranges of resin-coating hoist cable 1, by wire 9, adaptor union 7 is connected with testing fixture main body 8.In addition, at another distolateral sleeve 701 and tapered member 706 of arranging as shown in Figure 1 of resin-coating hoist cable 1.That is to say, at another distolateral resin-coating rope end, distolateral the same with one, by sleeve 701 be arranged on make each knock hole 703 respectively with the coaxial position of each strand bundle 104 of hoist cable section 107 on, then, tapered member 706 is screwed into the inner layer resin 105 of hoist cable section 107 from tapered member patchhole 702.Thus, can guarantee the insulation between each strand bundle 104 at the hoist cable section at the two ends of resin-coating hoist cable 1, so in the time that each strand bundle 104 each other contact has occurred, this contact can correctly be detected.
Fig. 9 is the instruction diagram that the connection after the adaptor union of the embodiment to lift facility involved in the present invention connects is confirmed.The electric current of inputting from hoist cable testing fixture main body 8 flow into each strand bundle by conductor 9 and contact screw 707., while having there is skew in the position that makes strand bundle pitch size produce error or inner layer resin because of the manufacturing errors of hoist cable from center, contact screw 707 may not reach each strand bundle.Therefore, in order to confirm whether electric current flow into each strand bundle independently, one side's of tester 11 terminal is connected with strand bundle 104 by knock hole 703, and the opposing party's terminal is connected with contact screw 707, confirm thus whether electric current has flowed into each strand bundle one to one correspondingly.Carry out above-mentioned inspection for each strand bundle 104, can after arranging, confirm immediately whether remain on state of insulation between each strand bundle 104, and can confirm whether each strand bundle 104 is connected by wire 9 effectively with hoist cable testing fixture main body 8.
After above-mentioned confirmation end-of-job, detect the contact between the strand bundle 104 that causes one of reason of metal filament fracture by hoist cable testing fixture, and the initial stage sign setting it as in hoist cable fracture process monitors, can before grave accident, take measures occurring thus.
As mentioned above, the hoist cable testing fixture of present embodiment has and is arranged on the sleeve 701, wedge-like member 706 of resin-coating hoist cable 1 end, contact screw 707 and wire 9 as contact member, make independently electric current flow into respectively each strand bundle 104 to detect the state of this electric current from hoist cable testing fixture main body 8 by wire 9, detect thus described strand bundle whether contact has occurred each other.That is to say, can prevent from the section of hoist cable, coming in contact between strand bundle by possessing, and the adaptor union 7 that can make electric current independently flow into respectively the mechanism of each strand bundle makes hoist cable be connected with hoist cable testing fixture main body 8, and have or not between the strand bundle that conducts to monitor hoist cable inside by confirmation whether contact has occurred.
In addition, as supervision method, between the strand bundle that can be arranged to make during certain hoist cable testing fixture move to monitor hoist cable inside from Call center, whether there is contact, or also can be arranged to make the perseveration of hoist cable testing fixture to monitor continuing.And the supervision method that also can adopt other, has no particular limits supervision method.
Again, as the method that makes current lead-through, can be arranged in order each strand bundle be applied to current potential, and detect the strand bundle that does not apply current potential and whether have current flowing, or also can be arranged in and on multiple strand bundles, apply different current potentials and detect, and the method for inspection that also can adopt other, has no particular limits method of inspection.
Claims (5)
1. a lift facility, has lifting body, suspends the hoist cable of described lifting body in midair and drives the winch of described hoist cable, and described lift facility is characterised in that,
Described hoist cable has core, multiple strand bundle and outermost resin, described core is made up of resin, be arranged on the core of described hoist cable, described multiple strand bundle is formed by the strand twisted of conductor, described outermost resin covers the periphery of described core and described multiple strand bundles, described multiple strand bundle is and arranges radially and twisted in discontiguous mode each other around described core, and is coated by described outermost resin under this state
Described lift facility is further provided with hoist cable testing fixture, the sleeve of described hoist cable testing fixture is arranged on the end of described hoist cable, tapered member is arranged on the described core of described hoist cable section from being arranged on the patchhole of hoist cable section side of described sleeve, to guarantee the insulation between described multiple strand bundles at described hoist cable section place, each strand bundle intrafascicular with respect to described multiple strands, the contact member that contact member is inserted to the described hoist cable side face side that is arranged on described sleeve inserts in the hole, and make described contact member run through described outermost resin and described contact member is contacted with strand bundle described in each respectively, connect described contact member and wire, make independently electric current flow through respectively strand bundle described in each by described wire, detect the contact between described strand bundle by detecting the state of this electric current.
2. lift facility as claimed in claim 1, is characterized in that,
When the twisted pitch length with respect to described core of described strand bundle is set as to L, the distance of being separated by with described hoist cable section on the length direction of described hoist cable that described contact member patchhole is arranged on described sleeve is h=nL, in the twisted direction of described strand bundle, be the position of θ=360 ° × n from the angle of described hoist cable week datum line upwards rotation, wherein n is rational number.
3. lift facility as claimed in claim 2, is characterized in that,
Hoist cable section side at described sleeve is provided with knock hole, and described knock hole is for confirming respectively the conducting between described strand bundle and the contact member on described hoist cable section.
4. lift facility as claimed any one in claims 1 to 3, is characterized in that,
Described sleeve has the space for pulling out described core, described sleeve is being arranged on described rope end, and after described tapered member is arranged on described core, described core pulled in described space from the section of described hoist cable.
5. a hoist cable testing fixture, it is the hoist cable testing fixture for lift facility, described lift facility has lifting body, suspend the hoist cable of described lifting body in midair and drive the winch of described hoist cable, described hoist cable has core, multiple strand bundles and outermost resin, described core is made up of resin, be arranged on the core of described hoist cable, described multiple strand bundle is formed by the strand twisted of conductor, described outermost resin covers the periphery of described core and described multiple strand bundles, described multiple strand bundle is and arranges radially and twisted in discontiguous mode each other around described core, and be coated by described outermost resin under this state, described hoist cable testing fixture is characterised in that,
There is sleeve, tapered member, contact member and wire, described sleeve is arranged on the end of described hoist cable, described tapered member is arranged on the described core of described hoist cable section from being arranged on the patchhole of hoist cable section side of described sleeve, for guaranteeing the insulation between described multiple strand bundles at described hoist cable section place, each strand bundle that described contact member is intrafascicular with respect to described multiple strands, the contact member that insertion is arranged on the described hoist cable side face side of described sleeve inserts in the hole, and run through described outermost resin and contact with strand bundle described in each respectively, described wire is connected with described contact member, described hoist cable testing fixture makes independently electric current flow through respectively strand bundle described in each by described wire, and detect the contact between described strand bundle by detecting the state of this electric current.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-012466 | 2011-01-25 | ||
| JP2011012466A JP5378426B2 (en) | 2011-01-25 | 2011-01-25 | Elevator device and rope inspection device |
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| Publication Number | Publication Date |
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| CN102616628A CN102616628A (en) | 2012-08-01 |
| CN102616628B true CN102616628B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210014849.5A Active CN102616628B (en) | 2011-01-25 | 2012-01-17 | Elevator equipment and cable maintenance device |
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| JP (1) | JP5378426B2 (en) |
| CN (1) | CN102616628B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI126182B (en) * | 2014-06-17 | 2016-07-29 | Kone Corp | Method and arrangement for monitoring the condition of an elevator rope |
| EP3197813A1 (en) | 2014-09-26 | 2017-08-02 | Inventio AG | Elevator system |
| CN110235006A (en) * | 2017-01-31 | 2019-09-13 | 因温特奥股份公司 | The elevator of monitoring device with the integrality for monitoring suspension member |
| CN111392548A (en) * | 2020-04-20 | 2020-07-10 | 杭州市特种设备检测研究院 | Elevator traction medium safety monitoring system and method |
| CN112744666A (en) * | 2021-01-13 | 2021-05-04 | 杭州飞奥电气工程有限公司 | Elevator steel belt fracture detection device and detection method |
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| CN1300895A (en) * | 1999-12-21 | 2001-06-27 | 因温特奥股份公司 | Contact connection of synthetic fiber cable for monitoring safe property |
| CN101456509A (en) * | 2007-12-14 | 2009-06-17 | 株式会社日立制作所 | Wire rope inspection instrument for elevator |
| CN101481885A (en) * | 2008-01-11 | 2009-07-15 | 东芝电梯株式会社 | Steel cable |
| CN101817470A (en) * | 2009-02-27 | 2010-09-01 | 东芝电梯株式会社 | Cable for suspension support |
| CN101934962A (en) * | 2009-06-26 | 2011-01-05 | 株式会社日立制作所 | Hoist cable formula elevator |
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| US6633159B1 (en) * | 1999-03-29 | 2003-10-14 | Otis Elevator Company | Method and apparatus for magnetic detection of degradation of jacketed elevator rope |
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| JP5052821B2 (en) * | 2006-05-31 | 2012-10-17 | 京セラクリスタルデバイス株式会社 | Exposure equipment |
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| CN1300895A (en) * | 1999-12-21 | 2001-06-27 | 因温特奥股份公司 | Contact connection of synthetic fiber cable for monitoring safe property |
| CN101456509A (en) * | 2007-12-14 | 2009-06-17 | 株式会社日立制作所 | Wire rope inspection instrument for elevator |
| CN101481885A (en) * | 2008-01-11 | 2009-07-15 | 东芝电梯株式会社 | Steel cable |
| CN101817470A (en) * | 2009-02-27 | 2010-09-01 | 东芝电梯株式会社 | Cable for suspension support |
| CN101934962A (en) * | 2009-06-26 | 2011-01-05 | 株式会社日立制作所 | Hoist cable formula elevator |
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| Publication number | Publication date |
|---|---|
| CN102616628A (en) | 2012-08-01 |
| JP2012153458A (en) | 2012-08-16 |
| JP5378426B2 (en) | 2013-12-25 |
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