CN101712434A - Elevator dragging rope pulley and elevator containing same - Google Patents
Elevator dragging rope pulley and elevator containing same Download PDFInfo
- Publication number
- CN101712434A CN101712434A CN200810198948A CN200810198948A CN101712434A CN 101712434 A CN101712434 A CN 101712434A CN 200810198948 A CN200810198948 A CN 200810198948A CN 200810198948 A CN200810198948 A CN 200810198948A CN 101712434 A CN101712434 A CN 101712434A
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- Prior art keywords
- elevator
- foreign steamer
- iron core
- core wheel
- cast iron
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses an elevator dragging rope pulley which comprises an iron-cast core wheel and a plastic outer wheel, wherein the plastic outer wheel is fixed on the iron-cast core wheel, and is made of plastic with the hardness larger than 60 Shore A and smaller than 100 Shore A. The invention also discloses an elevator comprising the elevator dragging rope pulley. The dragging rope pulley combines the advantages of the iron-cast wheel and the plastic wheel; the iron-cast core wheel has high strength and quick heat radiation, and has little heat to be transferred to the plastic outer wheel which is arranged outside the iron-cast core wheel; the plastic outer wheel has good roughness and low noise, and can generate large friction force with the rope, so that the counter weight of the elevator compartment is relatively smaller, and the cost is saved.
Description
Technical field
The present invention relates to a kind of lifting transportation device, relate in particular to and a kind ofly be used for manned or the cargo-carrying lift facility.
Background technology
Common hoist ropes wheel lift all is to do ropes and suspension cord with steel rope, makes it motion by means of the traction rope sheave that is driven by drive unit for lift.The motion that promotes rope sheave causes the suspension counterweight thereon and the motion of lift car.Take turns to the tractive force that promotes rope sheave and be to transmit from hoist ropes, therefore need to increase the friction force between traction rope sheave and the rope via the friction force between traction rope sheave and the rope by means of the braking force that the traction rope sheave applies.In the prior art, described traction rope sheave is often made by metals such as cast irons, though its intensity height, but the friction coefficient between steel rope and the metallic rope pulley often is not enough to the grip that keeps required between traction rope sheave and the ropes, and bringing other problem simultaneously is that metallic rope pulley is heated down in working order and can produces thermal stress, may shorten its work life, and metallic rope pulley be arranged so that the work of this elevator the time noise very big, steel rope also can be worn along with the growth of work-hours, finally may cause the danger of fracture.
For this reason, need provide a kind of improved elevator traction rope sheave and elevator to solve above-mentioned defective.
Summary of the invention
One of purpose of the present invention provides a kind of elevator traction rope sheave, and it has higher intensity, heat-sinking capability and self-lubricating power preferably, and and rope between can form bigger friction force, noise is low during work.
Two of purpose of the present invention provides a kind of elevator that comprises above-mentioned elevator traction rope sheave.
For realizing first purpose, the invention provides a kind of elevator traction rope sheave, described elevator traction rope sheave comprises cast iron core wheel and plastics foreign steamer, described plastics foreign steamer is fixedly installed on the described cast iron core wheel, and described plastics foreign steamer is made and described plastics foreign steamer is provided with the grooving that is used to place rope less than 100 Shore A with greater than the plastics of 60 Shore A by hardness.
Further, described cast iron core wheel and described plastics foreign steamer pass through pin.
Further, described plastics foreign steamer is made by rubber or polyurethane.
Further, described cast iron core wheel is provided with louvre.
For realizing second purpose, the invention provides a kind of elevator, comprise lift car, counterweight, hoisting rope, actuating device with transmission shaft, described car and described counterweight are suspended on described hoisting rope two ends, are furnished with one or many rope sheaves on the described hoisting rope, one of described rope sheave is the traction rope sheave, described traction rope sheave drives and drives described hoisting rope by described actuating device, described traction rope sheave comprises cast iron core wheel and plastics foreign steamer, described plastics foreign steamer is fixedly installed on the described cast iron core wheel, described cast iron core wheel is fixedly installed on the transmission shaft of described actuating device, and described plastics foreign steamer is made less than 100 Shore A with greater than the plastics of 60 Shore A by hardness.
As an embodiment, described cast iron core wheel is connected by pin with described plastics foreign steamer.
Further, described cast iron core wheel is provided with louvre.
As an embodiment, described plastics foreign steamer is made by rubber or polyurethane.
Beneficial effect of the present invention is: elevator rope wheel shown in the present combines the advantage of cast-iron wheel and plastic wheel, its cast iron core wheel intensity height, good heat dissipation effect makes heat seldom be delivered on the plastics foreign steamer, has avoided the plastics foreign steamer to be heated and is out of shape, and its plastics foreign steamer good toughness, noise are low, durability is strong, has self-lubricating power, and and rope between can produce bigger friction, thereby make the counterweight of lift car can do gentlyer, save cost; Cast iron core wheel is provided with louvre can further increase its heat sinking function, prevents its exterior plastics foreign steamer temperature distortion.
Below in conjunction with accompanying drawing, describe the present invention in detail by preferred embodiment.
Description of drawings
Fig. 1 is the partial cross sectional views of the embodiment of elevator traction rope sheave of the present invention;
Fig. 2 is the lateral plan of Fig. 1;
Fig. 3 is the scheme drawing of the embodiment of elevator of the present invention.
The specific embodiment
Fig. 1 is the partial cross sectional views of the embodiment of elevator traction rope sheave of the present invention, and Fig. 2 is the lateral plan of Fig. 1.As shown in Figure 1 and Figure 2, described elevator traction rope sheave 7 comprises plastics foreign steamer 71 and cast iron core wheel 72, there are many groovings 712 that are used to place rope on described plastics foreign steamer 71 surfaces, all form groove on the mating surfaces of described plastics foreign steamer 71 and described cast iron core wheel 72, two grooves form groove 711 jointly, and described groove 711 is 8 and is symmetrically distributed; Certainly in other embodiment of the present invention, a plurality of grooves can be set on demand, and described groove 711 is used for placing pin 73, thus plastics foreign steamer 71 is fixedly mounted on the cast iron core wheel 72, certainly in other embodiment of the present invention, can also adopt other captive joint mode.Also be provided with a plurality of louvres 722 on the described cast iron core wheel, be used for and the mounting hole of installing 723.
Fig. 3 is the simplified schematic diagram of an elevator structure.As shown in Figure 3, described elevator comprise actuating device 6, be fixedly mounted on traction rope sheave 7 on the described transmission shaft with transmission shaft, counterweight 2, lift car 1, elevator hoist rope 3, deflection sheave to 9, deflection sheave 4.Wherein said counterweight 2 is contained in the vertical counterweight guide rail 11, lift car 1 is contained in the vertical car guide rail 10, described traction rope sheave 7 comprises plastics foreign steamer 71 and cast iron core wheel 72, there are many groovings 712 that are used to place rope on described plastics foreign steamer 71 surfaces, described plastics foreign steamer 71 has a plurality of protruding 711 with cast iron core wheel 72 surfaces that contact, there are a plurality of grooves 721 that cooperate with it on the surface of corresponding described cast iron core wheel 72, by projection 711 with make plastics foreign steamer 71 be fixedly mounted on the cast iron core cooperating of groove 721 to take turns on 72, certainly in other embodiment of the present invention, can also adopt other captive joint mode, also be provided with a plurality of louvres 722 on the described cast iron core wheel, be used for and the mounting hole of installing 723.During manufacturing, produce cast iron core wheel 2 earlier, at the wheel shaft top casting plastics foreign steamer 1 of cast iron core wheel 2, on the outside face of plastics foreign steamer, process grooving 712 more again.
Below in conjunction with Fig. 3 the walking situation of elevator hoist rope 3 is described, also can further understand the structure of described elevator from these are described: an end of rope is fixed on the anchoring part 13 on the vertical shaft top that is arranged in top, counterweight 2 paths, and 2 of counterweights move along counterweight guide rail 11.Rope from anchoring part stretch downwards and walk around hang counterweight deflection sheave to 9, this deflection sheave is to 9 rotating being contained on the counterweight 2, to walking around and then be stretched over the traction rope sheave 7 of actuating device 6, the grooving on traction rope sheave 7 is walked around traction rope sheave 7 to rope 3 from this deflection sheave.Rope 3 is then. extend downwardly into the lift car 1 that moves along car track 10 from traction rope sheave 7, via be used for lift car 1 be suspended on the rope deflection sheave 4 lift car 1 below by, and rising to anchoring part 14 the lift well top once more from lift car 1 subsequently, the second end of rope 3 is fixed on the anchoring part 14.Wherein anchoring part 14, traction rope sheave 7 and the relative position that lift car is suspended in each deflection sheave 4 on each rope preferably guaranteed move towards the cord segment of lift car 1 and are arranged essentially parallel to the walking path of lift car 1 from the cord segment that lift car 1 stretches to traction rope sheave 7 from anchoring part 14.
Above disclosed only is the preferred embodiments of the present invention, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of being done according to the present patent application claim still belongs to the scope that the present invention is contained.
Claims (8)
1. elevator traction rope sheave, it is characterized in that: described elevator traction rope sheave comprises cast iron core wheel and plastics foreign steamer, described plastics foreign steamer is fixedly installed on the described cast iron core wheel, described plastics foreign steamer is made less than 100 Shore A with greater than the plastics of 60 Shore A by hardness, and its described plastics foreign steamer is provided with the grooving that is used to place rope.
2. elevator traction rope sheave according to claim 1 is characterized in that: described cast iron core wheel is connected by pin with described plastics foreign steamer.
3. elevator traction rope sheave according to claim 1 and 2 is characterized in that: described plastics foreign steamer is made by rubber or polyurethane.
4. elevator traction rope sheave according to claim 1 and 2 is characterized in that: described cast iron core wheel is provided with louvre.
5. elevator, comprise lift car, counterweight, hoisting rope, actuating device with transmission shaft, described car and described counterweight are suspended on described hoisting rope two ends, are furnished with one or many rope sheaves on the described hoisting rope, one of described rope sheave is the traction rope sheave, described traction rope sheave drives and drives described hoisting rope by described actuating device, it is characterized in that: described traction rope sheave comprises cast iron core wheel and plastics foreign steamer, described plastics foreign steamer is fixedly installed on the described cast iron core wheel, described cast iron core wheel is fixedly installed on the transmission shaft of described actuating device, described plastics foreign steamer is made less than 100 Shore A with greater than the plastics of 60 Shore A by hardness, and described plastics foreign steamer is provided with the grooving that is used to place rope.
6. elevator according to claim 5 is characterized in that: described cast iron core wheel is connected by pin with described plastics foreign steamer.
7. according to claim 5 or 6 described elevators, it is characterized in that: described cast iron core wheel is provided with louvre.
8. according to claim 5 or 6 described elevators, it is characterized in that: described plastics foreign steamer is made by rubber or polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810198948A CN101712434A (en) | 2008-10-06 | 2008-10-06 | Elevator dragging rope pulley and elevator containing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810198948A CN101712434A (en) | 2008-10-06 | 2008-10-06 | Elevator dragging rope pulley and elevator containing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101712434A true CN101712434A (en) | 2010-05-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810198948A Pending CN101712434A (en) | 2008-10-06 | 2008-10-06 | Elevator dragging rope pulley and elevator containing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101712434A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104229607A (en) * | 2013-06-14 | 2014-12-24 | 东芝电梯株式会社 | Elevator device |
| CN107344693A (en) * | 2017-07-07 | 2017-11-14 | 长江润发（张家港）机械有限公司 | A kind of roller for traction elevator steel wire rope and preparation method thereof |
-
2008
- 2008-10-06 CN CN200810198948A patent/CN101712434A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104229607A (en) * | 2013-06-14 | 2014-12-24 | 东芝电梯株式会社 | Elevator device |
| CN107344693A (en) * | 2017-07-07 | 2017-11-14 | 长江润发（张家港）机械有限公司 | A kind of roller for traction elevator steel wire rope and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100526 |