CN107043059A - Elevator tensioning member - Google Patents

Abstract

The invention discloses a kind of band for being used to hanging and/or driving lift car, the band includes many ropes.Every rope includes many lines, and is placed at least one thread at the periphery of many lines.Flexible sheath substantially holds many ropes.An at least one thread is configured to promote the flexible sheath to the attachment of many ropes and reduces the abrasion to many lines.A kind of method for forming band includes：Many lines are arranged to rope；By one or more yarn arrangement at the periphery of many lines；Many ropes are arranged to selected arrangement；And flexible sheath is applied to the rope, to hold the rope.One or more described yarn is configured to promote the flexible sheath to the attachment of the rope and reduces the abrasion to the line.

Description

Elevator tensioning member

Technical field

The subject matter disclosed herein is related to tensioning member, being used for of such as elevator device hang and/driving lift car and/ Or those used in the coating band of counterweight.

Background of invention

Tensioning member for each elevator generally includes one or more rope, and one or more described rope is by with several Many steel wires of what upper stable configuration arrangement are formed.Depending on linear diameter, only a number of geometrically stable arrangement is It is possible.Rope is usually arranged to band, and the band includes many such ropes, and these ropes are at least partially enveloping In elastic sheath material.

Attachment between steel tension members and load transmission in coating band provide critical load path.In addition, knot Multi-thread, multiply steel cord construction is stablized in conjunction.This helps to minimize abrasion, abrasion and broken.In the case of breaking, with elasticity The combination of sheath in position, further damages the line for holding fracture strand, rope and band so as to reduce.

Elastic sheath material is set to enter between well penetrating into steel cable structure and in flexible sheath and typically zinc-plated steel cable It is limited that row, which is combined,.Used using the rope pre-processed using chemical bond and between elastic sheath material and steel cable viscous Mixture is to strengthen the known method of the attachment between rope and sheath material.Each can be real in the case where increasing rope cost It is existing.Seek to improve other methods at the interface between steel cable and flexible sheath.

Brief summary of the invention

In one embodiment, a kind of band for being used to hang and/or drive lift car includes many ropes.Every Rope includes many lines, and is placed at least one thread at the periphery of many lines.Flexible sheath is substantially held The many ropes.An at least one thread be configured to promote the flexible sheath to the attachment of many ropes and Reduce the abrasion to many lines.

Additionally or alternatively, in this or other embodiments, an at least one thread is helically wound around described many Around root line.

Additionally or alternatively, in this or other embodiments, an at least one thread be helically wound around it is described At least two one threads around many lines, at least two one threads have phase equal lay around many lines.

Additionally or alternatively, in this or other embodiments, an at least one thread be helically wound around it is described At least two one threads around many lines, at least two one threads have opposite twist direction around many lines.

Additionally or alternatively, in this or other embodiments, an at least one thread includes being placed in described many Fabric sleeve at the periphery of line.

Additionally or alternatively, in this or other embodiments, the fabric sleeve includes weaving or is woven into the fabric At least two one threads of set.

Additionally or alternatively, in this or other embodiments, an at least one thread is by polyester, the poly- ammonia of nylon Ester, cotton, wool, artificial silk, fluoropolymer or Kevlar material are formed.

Additionally or alternatively, in this or other embodiments, many lines are arranged to multiply strand, the multiply At least one strand that strand is arranged in the rope, the multiply strand includes being placed at least one strand An at least one thread at periphery.

In another embodiment, it is a kind of to be formed for hanging and/or driving the method for the band of lift car to include：Will Many lines are arranged to rope；By one or more yarn arrangement at the periphery of many lines；Many ropes are arranged to institute The arrangement of selection；And flexible sheath is applied to many ropes, it is described selected so as to which many ropes are held into The arrangement selected.One or more described yarn is configured to promote the flexible sheath to the attachment of many ropes and subtracted Few abrasion to many lines.

Additionally or alternatively, in this or other embodiments, to many lines perform rope draw in operation so as to The many lines are arranged to before rope, one or more described yarn is disposed at the periphery of many lines.

Additionally or alternatively, in this or other embodiments, one or more yarn spirals it is wrapped in described Around many lines.

Additionally or alternatively, in this or other embodiments, two or more one threads are helically wound around described many Around root line, described two or more one threads have phase equal lay.

Additionally or alternatively, in this or other embodiments, two or more one threads are helically wound around described many Around root line, described two or more one threads have opposite twist direction.

Additionally or alternatively, in this or other embodiments, one or more described yarn is formed around described many The fabric sleeve of root line.

Additionally or alternatively, in this or other embodiments, the fabric sleeve is via one in weaving or weaving Person is formed.

Additionally or alternatively, in this or other embodiments, applying the flexible sheath with promote described one or Before threads are to the attachment of many lines, one or more described yarn is partly melted.

Additionally or alternatively, in this or other embodiments, many lines are arranged to strand, one or more yarn Line is located at the periphery of many lines, and multiply strand is formed the rope.

Brief description

This theme is specifically noted and is distinctly claimed at this specification ending.The foregoing and further feature of the disclosure With advantage from the detailed description below in conjunction with accompanying drawing it is clear that wherein：

Figure 1A is the schematic diagram for the example elevator system arranged with 1: 1 wiring；

Figure 1B is the schematic diagram for the another exemplary elevator device arranged with different wirings；

Fig. 1 C are the schematic diagrames of the another exemplary elevator device with cantilever configuration；

Fig. 2 is the sectional view of the embodiment of elevator band；

Fig. 3 is the sectional view of the embodiment of the rope for elevator band；

Fig. 4 is the sectional view of the embodiment for the rope for including threads, and these yarns are placed at rope；

Fig. 5 is the schematic diagram of the manufacturing process of the embodiment for elevator band；

Fig. 6 is the perspective view of the another embodiment of the rope for elevator band；

Fig. 7 is the perspective view of the another embodiment of the rope for elevator band；

Fig. 8 is the perspective view of the still another embodiment of the rope for elevator band；And

Fig. 9 is the sectional view of the embodiment of the rope including fabric sleeve for elevator band.

It is described in detail

The schematic diagram of exemplary drag elevator device 10 is shown in Figure 1A, Figure 1B and Fig. 1 C.Do not discuss pair herein The feature (guide rail, safety device etc.) of unwanted elevator device 10 for the understanding of the present invention.Elevator device 10 is wrapped Lift car 12 is included, lift car is operationally hung or is supported in hoistway 14 using one or more bands 16.One or Multiple bands 16 interact to bypass the various parts of elevator device 10 with one or more pulleys 18.One or more bands 16 may be also connected to counterweight 22, and counterweight is used to help balance elevator device 10 and reduces hauling block both sides during operation On strap tension difference.

Pulley 18 each have diameter 20, this diameter can it is identical with the diameter of other pulleys 18 in elevator device 10 or It is different.At least one in pulley 18 can be driving pulley.Driving pulley 52 is driven by machine 26.Driving pulley 52 passes through machine Device 26 bypasses one or more bands 16 of driving pulley 52 come the mobile driving carried out, movement and/or propulsion (by traction).

At least one in pulley 18 can be steering gear, deflector or idle pulley.Steering gear, deflector or feelings wheel be not by machine 50 drivings, and it is to aid in the various parts that guide one or more bands 16 to bypass elevator device 10.

In some embodiments, two or more bands 16 can be used to hang and/or drive electricity for elevator device 10 Terraced car 12.In addition, elevator device 10 can have various configurations so that wantonly two side engagement one of one or more bands 16 Or multiple pulleys 18 (shown in the example elevator system such as in Figure 1A, Figure 1B or Fig. 1 C), or one or more With the 16 one or more pulleys 18 of an only side engagement.

Figure 1A provides 1: 1 wiring arrangement, and wherein one or more bands 16 are terminated at car 12 and counterweight 22.Figure 1B and Fig. 1 C provide different wiring arrangements.Specifically, Figure 1B and Fig. 1 C show that car 12 and/or counterweight 22 can have and connect thereon One or more pulleys 18 of one or more bands 16 are closed, and one or more bands 16 may terminate at other places, generally eventually The knot terminated in hoistway 14 (such as without machinery compartment elevator device) or machinery compartment (being used for the elevator device using machinery compartment) At structure.The quantity of the pulley 18 used in arrangement determines (such as 2: 1 tractions shown in Figure 1B and Fig. 1 C of specific traction ratio Than or different traction ratios).Fig. 1 C additionally provide so-called Backpack type or cantilever style elevator.The present invention can be used for except Figure 1A, On the elevator device outside exemplary types shown in Figure 1B and Fig. 1 C.

Fig. 2 provides the schematic diagram of exemplary banded structure or design.Each band 16 is by one in sheath 26 or many Root rope 24 is constituted.The rope 24 of band 16 can be all identical, or in the rope 24 used in band 16 some or it is complete Portion may differ from other ropes 24.For example, one or more rope 24 can have the constructions or big different from other ropes 24 It is small.As shown in Fig. 2 band 16 has the depth-to-width ratio (that is, strip width is more than beam thickness) more than 1.

Band 16 is configured to when by one or more pulleys 18, should with the low bending of offer is sufficiently flexible to Power, meet band life requirements, and with quiet run, while being sufficiently solid, so as to meet suspension and/or drive The intensity requirement of dynamic lift car 12.

Sheath 26 can be any suitable material, including homogenous material, multiple material, use identical material or different materials Two or more layers, and/or film.In one arrangement, sheath 26 can be to be applied to using such as extrusion or mold wheel technique The polymer of rope 24, such as elastomer.In another arrangement, the weaving that sheath 26 can be to engage and/or integrating rope 24 is knitted Thing.As extra arrangement, sheath 26 can be the combination of one or more of previously mentioned alternative version.

Sheath 26 can substantially hold rope 24 wherein.Phrase " substantially hold " represent sheath 26 fully with rope Rope 24 is engaged so that under possible additional safety factor, be applied on band 16 for that can be run between the mid-term of elevator device 10 Load during, rope 24 will not pull out, depart from and/or cut through sheath 26.In other words, rope 24 is for elevator device 10 Between mid-term, their home positions are retained on relative to sheath 26.Sheath 26 can fully encase rope 24 (as shown in Figure 2 all), Rope 24 is substantially encased, or encases rope 24 at least in part.

Referring now to Figure 3, every rope 24 includes many lines 28 in geometrically stable arrangement.Line 28 be by steel or its Its loading material is formed.Steel wire 28 provides the tensile strength of rope 24, and determines the bending stress of rope 24, and this determines rope again The life-span of rope 24.Optionally, some or all of these lines 28 are formed as strand 30, and strand is subsequently formed into rope 24. Phrase " geometrically stable arrangement " expression line 28 (and if you are using, strand 30) them are typically retained in rope 24 In theoretical position.In other words, the movement of line 28 (and if you are using, strand 30) relative to each other is restricted. For example, the relative movement of line 28 can be limited to less than about percent 30 (30%) of its diameter.The relative movement of strand 30 can It is limited to less than about 5 percent (5%) of its diameter.

Referring now to Figure 4, rope 24 includes following improvement：Strengthen attachment of the material of flexible sheath 26 to rope 24, and The abrasion to rope 24 is reduced, rope 24 is thus improved and therefore the service life of the band 16 of rope 24 is wherein installed. In Fig. 4 embodiment, many fabric yarns 32 or element are attached in rope 24.Yarn 32 is the Steel material for comparing rope 24 For be easier to be attached to the organic material of the thermoplastic elastomer (TPE) of sheath 26.Yarn 32 can be by such as polyester, nylon, poly- ammonia Ester, cotton, wool, artificial silk, fluoropolymer, Kevlar or other materials are formed.In some embodiments, yarn 32 can To be handled using such as cohesive, thermoplasticity or hot melt adhesive material, to improve attachment of the yarn 32 to steel cable 24 And/or improve attachment of the material of sheath 26 to yarn 32.In addition, yarn 32 can include other additives, such as suppress steel cable Those of 24 corrosion.

In some embodiments, such as Fig. 4 embodiment, when the rope that rope 24 is manufactured draws operation in, yarn 32 are attached in rope 24.With reference to Fig. 5 schematic diagram, during rope 24 draws operation in, for example, by torsion and/or other behaviour Work takes each stock strand 30 of rope 24 together to form single rope 24.Therefore, yarn 32 can be together with strand 30 It is fed to rope to draw in equipment 34, and " draws in " into rope 24 during this operation.Referring again to Fig. 4, although yarn 32 are shown at the periphery of rope 24, it is to be understood that in other embodiments, yarn 32 is alternatively or additionally Inside rope 24, for example, between adjacent strand 30 and/or between the adjacent lines 28 of identical strand 30.

Referring again to Fig. 5, after rope 24 draws operation in, the rope 24 of band 16 is arranged into desired locations, and Apply the material of sheath 26 for example, by expressing technique at sheathing machine 36.In some embodiments, squeezed in arrival sheath Go out before machine 36 or at sheathing machine 36, yarn 32 can be heated to the situation partly melted.The part of yarn 32 Attachment of the melting enhancing yarn 32 to rope 24, and allow the material of yarn 32 through the line 28 of rope 24.

In another embodiment, as shown in fig. 6, perform rope 24 draw in operation after, one or more yarn 32 It is wrapped in screw arrangement around rope 24.Length of the yarn 32 along rope 24 is spaced apart, to be applied in sheath material 26 When being added to rope 24, it is allowed to which penetrating for selected amount occurs for the material of sheath 26.In some embodiments, yarn 32 can be parallel Ground is wrapped in around rope 24 and with phase equal lay, and in other embodiments, it is all as shown in fig. 7, yarn 32a and 32b can With with not equal lay, so as to cause length of the yarn 32a and 32b along rope 24 to be intersected.In addition, in other embodiments, It is all as shown in figure 8, yarn 32a and 32b can be wrapped in around rope 24 in opposite direction.Although shown reality in figures 6 to 8 Apply in scheme, yarn 32 is helically wound around around rope 32 after rope 24 draws operation in, it is to be understood that implementing other In scheme, the one or more strands of strands 30 in rope 24 can be spirally wound by yarn 32, then, and strand 30 is just formed as rope Rope 24.

In fig .9 schematically in shown another embodiment, using braiding or textile technology by rope 24 be enclosed on by In the fabric sleeve 38 of the formation of threads 32.Fabric sleeve 38 can rope 24 draw in technique after and apply the material of sheath 26 it It is preceding to be formed altogether with band 16.Fabric sleeve 38 is tensioned to be closely fit with rope 24 during being formed and being placed around rope 24.Separately Outside, yarn 32 can be heat-treated is shunk with being attached to rope 24 or rope 24 being surround in the way of similar to thermal contraction.In addition, making to knit Thing set 38 is formed as with enough porositys, to allow sheath material 36 that wearing for selected amount occurs between yarn 32 Thoroughly.Although in Fig. 9 embodiment, fabric sleeve 38 is formed around rope 24, it is to be understood that in other embodiments, Strand 30 is formed as before rope 24, and fabric sleeve 38 can be applied to the one or more strands of strands 30 of rope 24.

Band 16 engages promotion 24 pairs of bullets of rope with the rope 24 including yarn 32 between steel cable 24 and flexible sheath 26 Property sheath 26 attachment, so as to improve the load paths that rope 24 arrives sheath 26, and abrasion to rope 24 is reduced, to prolong Long rope 14 and the therefore service life of band 16.

Although the embodiment that the disclosure has combined only limited quantity is described in detail, it should be readily appreciated that the disclosure is not limited In such disclosed embodiment.On the contrary, the disclosure can be changed to incorporate phase in not heretofore described but spiritual and/or scope Any number change, change, replacement or the equivalent arrangements claimed.In addition, though having been described for various embodiments, it should be appreciated that The aspect of the disclosure can only include some in described embodiment.Therefore, the disclosure is not intended as by limit described above System, but only limited by the scope of appended claims.

Claims (17)

1. a kind of band for being used to hanging and/or driving lift car, the band includes：

Many ropes, every rope includes：

Many lines；And

An at least one thread, an at least one thread is positioned at the periphery of many lines；And

Flexible sheath, the flexible sheath substantially holds many ropes；

A wherein described at least one thread is configured to the attachment and reduction that promote the flexible sheath to many ropes Abrasion to many lines.

2. band as claimed in claim 1, wherein an at least one thread is helically wound around around many lines.

3. band as claimed in claim 1 or 2, wherein an at least one thread is to be helically wound around many line weeks At least two one threads enclosed, at least two one threads have phase equal lay around many lines.

4. band as claimed in claim 1 or 2, wherein an at least one thread is to be helically wound around many line weeks At least two one threads enclosed, at least two one threads have opposite twist direction around many lines.

5. band as claimed in claim 1, wherein an at least one thread includes being placed at the periphery of many lines Fabric sleeve.

6. band as claimed in claim 5, wherein the fabric sleeve includes weaving or being woven at least the two of the fabric sleeve One thread.

7. band as claimed in claim 1, wherein an at least one thread be by polyester, nylon polyurethane, cotton, wool, Artificial silk, fluoropolymer or Kevlar material are formed.

8. band as claimed in claim 1, wherein many lines are arranged to multiply strand, the multiply strand is arranged Into the rope, at least one strand in the multiply strand includes being placed at least periphery of one strand extremely A few one thread.

9. a kind of method for forming the band for hanging and/or driving lift car, methods described includes：

Many lines are arranged to rope；

By one or more yarn arrangement at the periphery of many lines；

Many ropes are arranged to selected arrangement；

Flexible sheath is applied to many ropes, so as to which many ropes are held into the selected arrangement；

One or more wherein described yarn is configured to promote the flexible sheath to the attachment of many ropes and subtracted Few abrasion to many lines.

10. method as claimed in claim 9, wherein drawing operation in performing rope to many lines so as to by described many Line is arranged to before rope, and one or more described yarn is disposed at the periphery of many lines.

11. method as claimed in claim 9, wherein one or more yarn spirals be wrapped in many line weeks Enclose.

12. method as claimed in claim 11, wherein two or more one threads are helically wound around around many lines, Described two or more one threads have phase equal lay.

13. method as claimed in claim 11, wherein two or more one threads are helically wound around around many lines, Described two or more one threads have opposite twist direction.

14. method as claimed in claim 9, it also includes making one or more described yarn be formed around many lines Fabric sleeve.

15. method as claimed in claim 14, it also includes forming the fabric via one of weaving or weaving Set.

16. method as claimed in claim 9, it is additionally included in the application flexible sheath to promote one or more described yarn Before line is to the attachment of many lines, one or more described yarn is partly melted.

17. method as claimed in claim 9, it also includes：

The many lines are arranged to strand；

By one or more yarn arrangement at the periphery of many lines；And

Multiply strand is arranged to the rope.