CN102198907B - Thin type hoister for elevator and elevator device - Google Patents
Thin type hoister for elevator and elevator device Download PDFInfo
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- CN102198907B CN102198907B CN 201110040023 CN201110040023A CN102198907B CN 102198907 B CN102198907 B CN 102198907B CN 201110040023 CN201110040023 CN 201110040023 CN 201110040023 A CN201110040023 A CN 201110040023A CN 102198907 B CN102198907 B CN 102198907B
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Abstract
Provided is a thin type hoister for an elevator and an elevator device. The width size of the thin type hoister which conduct braking on the periphery of a brake drum is reduced. The thin type hoister for an elevator comprises a frame body (1), a rope wheel (2), a main shaft (3), a bearing (4), a brake drum (5), a motor rotor (10), a stator (12) and an electromagnetic brake apparatus (6). The electromagnet (7) of the electromagnetic brake apparatus (6) is disposed with respect to the periphery of a brake pad (8) and the brake drum (5), and the electromagnetic brake apparatus (6) is disposed at the upper and lower parts of the frame body (1). In this case, the electromagnetic brake apparatus (6) at the upper side can be prevented from protruding the interval of a suspension cable (20), and the enlargement of the width size can be inhibited.
Description
Technical field
The present invention relates to a kind of winch for driving elevator, especially relate to a kind of thin type hoister that is suitable for machine room-less elevator.
Background technology
As a rule, make lift car carry out the control setup of the winch of oscilaltion and electrical motor and the governor etc. that is used for emergency braking when lift car exceeds the speed limit is arranged on the Machine Room that is positioned at the building the superiors., in the slow elevator of the rising or falling speed of lift car, the machine room-less elevator that the Machine Room is not set is very general.
In this machine room-less elevator, the member that originally was arranged in the Machine Room is arranged in hoist trunk, winch also is arranged in hoist trunk.The shape and the set-up mode that are arranged on the winch in hoist trunk have varied, for example, winch is arranged on foot or the topmost of hoist trunk, make the part, cross section of this winch and lift car overlapping, perhaps winch is arranged on the gap portion that is positioned at lift car and hoist trunk between the walls of the short transverse centre portion of hoist trunk.Usually, the gap of lift car and hoist trunk between the walls is approximately hundreds of millimeters, therefore, for winch being arranged on this gap portion, needs to adopt the winch of flat pattern, namely needs to use thin type hoister.
About this thin type hoister, for example in patent documentation 1 and patent documentation 2, the technology that the outer peripheral face of brake wheel is braked is disclosed.In the disclosed technology of above-mentioned patent documentation, be installed in the position, two of left and right of thin type hoister exterior contour part as the brake pad (brake shoe) of the part of electro-magnetic braking device etc.
The patent documentation 1 open patent 2004-2038 of Japan communique
The patent documentation 2 open patent 2003-104666 of Japan communiques
Fig. 6 has represented to adopt an example in the hoist trunk cross section of machine room-less elevator of the present invention, as shown in Figure 6, thin type hoister 18 usually relative with hoist trunk wall 16 be arranged on the gap of about hundreds of millimeters between hoist trunk 15 and lift car 17 to ground in, and counterbalanced weight 19 is arranged on by the side of winch 18 mostly.That is to say, thin type hoister 18 is arranged on the four directions by in the zone of the wall 16 of hoist trunk, lift car 17 and counterbalanced weight 19 encirclements.Therefore, if thin type hoister 18 miniaturizations just can be able to be dwindled the sectional area of hoist trunk 15, can improve the degree of freedom of the floor plan that is arranged on the equipment in hoist trunk 15.Therefore, make the thin type hoister that machine room-less elevator is used realize miniaturization, the axial length dimension and the width dimensions that especially dwindle winch integral body become an important technical task.
In addition, about the height dimension of winch integral body, because hoist trunk 15 has sizable space usually on short transverse, so the value of the height dimension of reduction thin type hoister integral body is little.That is to say, be arranged at thin type hoister hoist trunk 15 short transverse centre portion and between the wall 16 of lift car 17 and hoist trunk in the machine room-less elevator of position, as long as can dwindle axial length dimension and the width dimensions of thin type hoister integral body, even sacrificed the height dimension of thin type hoister integral body, also can improve the value of machine room-less elevator.
; in the thin type hoister that the outer peripheral face of brake wheel is braked; disclosed as above-mentioned patent documentation 1 and patent documentation 2; be arranged on owing to having to as brake pad (brake shoe) of the part of magnet stopper etc. on the position, two of left and right of housing parts of winch, so be merely able to correspondingly increase the width dimensions of winch integral body.
Summary of the invention
The present invention relates to thin type hoister that the outer peripheral face of brake wheel is braked, in view of existing practical problems in above-mentioned prior art, the elevator that the object of the present invention is to provide a kind of width dimensions that can dwindle winch integral body is with thin type hoister and the lift facility that uses this thin type hoister.
, there is following tendency in thin type hoister, namely, in order to improve drive torque when realizing the electrical motor slimming, need to dwindle the diameter that drives the rope sheave that hoist cable uses, and in order to ensure enough lock torques, need to set the diameter of brake wheel for greater than described rope sheave diameter.That is to say, the diameter that characteristics of thin type hoister are brake wheels is larger than the diameter of rope sheave, and in the time will dwindling the width dimensions of the thin type hoister that the outer peripheral face of brake wheel is braked, These characteristics becomes restraining factors.
To achieve these goals, the invention provides a kind of elevator thin type hoister, the brake wheel that it has with the rope sheave one is rotated and diameter is larger than rope sheave, described elevator is characterised in that with thin type hoister, the brake portion of electro-magnetic braking device is relative to the outer peripheral face of described brake wheel the ground setting, and this electro-magnetic braking device is arranged on two positions up and down of the framework of winch, and in addition, this thin type hoister is arranged on the interior lift car of elevator lifting channel and the between the walls of hoist trunk.
Wherein, two positions up and down of described framework refer to be positioned at when the horizon of will draw from the center of rope sheave is as benchmark the position of up and down, and to be arranged on the diameter range of described rope sheave be in zone between hoist cable to the electro-magnetic braking device of upside at least.By electro-magnetic braking device so is set, can suppresses width dimensions and become large.
The invention effect
According to the present invention, can dwindle the width dimensions of the thin type hoister that the outer peripheral face of brake wheel is braked, by this thin type hoister is arranged in hoist trunk, can improve the degree of freedom of the floor plan of lift facility.
Description of drawings
Fig. 1 is the front view that the related elevator of one embodiment of the invention is used thin type hoister.
Fig. 2 is the lateral plan of the thin type hoister of Fig. 1.
Fig. 3 is the partial side view in cross section of the thin type hoister of Fig. 1.
Fig. 4 is the lateral plan that the related elevator of another embodiment of the present invention is used thin type hoister.
Fig. 5 is the partial side view in cross section of the thin type hoister of Fig. 4.
Fig. 6 is the hoist trunk section drawing that has used machine room-less elevator of the present invention.
Fig. 7 is the front view that the related elevator of another embodiment of the present invention is used thin type hoister.
Fig. 8 is the birds-eye view of the thin type hoister of Fig. 7.
Fig. 9 is the lateral plan of the thin type hoister of Fig. 7.
Figure 10 is the lateral plan that the related elevator of another embodiment of the present invention is used thin type hoister.
Nomenclature
1 framework
2 rope sheaves
3 main shafts
4 bearings
5 brake wheels
6 electro-magnetic braking devices
7 electromagnet
8 brake pads
9 brake pad load-carrying elements
10 motor rotors
11 permanent magnets
12 stators
13 stator cores
14 stator winding
15 hoist trunks
The wall of 16 hoist trunks
17 lift cars
18 thin type hoisters
19 counterbalanceds weight
20 hoist cables
The specific embodiment
Referring to accompanying drawing, embodiments of the present invention are described.In these embodiments, except purpose of the present invention and feature, also taked various effective measures, the content of relevant this respect will be elaborated in an embodiment.
Embodiment 1
Fig. 1 to Fig. 3 represents the elevator thin type hoister that one embodiment of the invention are related, and Fig. 1 is front view, and Fig. 2 is lateral plan, and Fig. 3 is the lateral plan of partial cross section.As shown in above-mentioned accompanying drawing, this thin type hoister is made of rotor 10, stator 12 and the electro-magnetic braking device 6 of framework 1, rope sheave 2, main shaft 3, bearing 4, brake wheel 5, electrical motor, except above-mentioned member, in the inside of framework 1, not shown rotation detector etc. is installed also.
Framework 1 is by after cylinder iron waiting the shape that forms roughly, the part that again needs is had an accurate dimension is carried out machine up and makes, the interior shape of framework 1 is the drum that the end is arranged, and makes it possible in the inside of framework 1, brake wheel 5, motor rotor 10, stator 12, bearing 4 and rotation detector etc. are installed.The outshot that is arranged on framework 1 core is hollow space, and main shaft 3 inserts this hollow space and fixes and be supported on framework with cantilevered fashion.Thin type hoister being arranged on elevator lifting channel 15 when interior, framework 1 is fixed on the winch stationary member across the Shockproof rubber take vibration-inhibition as purpose, wherein, this winch stationary member is arranged in hoist trunk 15.
On the position by main shaft 3 outsides of framework 1 inside, be provided with the projection of the circular tube shaped that consists of with framework 1 one, motor stator 12 embeds and is combined in the outer peripheral face of this projection.Stator 12 mainly is made of stator core 13, the threephase stator winding 14 and the insulating component that are formed mutually by U phase, V phase and W, and wherein, this stator core 13 is laminated by electromagnetic steel plate.Be formed with the gap in stator core 13, stator winding 14 is arranged in this gap.In order to make winch realize slimming, the intensive winding 14 that stator winding 14 adopts the aspect ratio of winding overhangs to be easier to dwindle.In addition, the projection that is used for the circular tube shaped of fixing described stator 12 can not consist of with framework 1 one, also can be arranged to the independent member that separates with framework 1, and is bolted and embeds the method such as combination and be fixed on framework 1.In addition, stator 12 can be not embed in conjunction with and adopts lax being pressed into to coordinate with the peripheral part of the projection of circular tube shaped, uses the through hole on the yoke that is arranged on stator core 13, is bolted on the side of framework 1 inside.At this moment, a plurality of through holes need to be set in a circumferential direction.
The end of main shaft 3 is fixed and is supported on the bossing that is positioned at framework 1 core, is provided with a plurality of bearings 4 at the other end of main shaft 3, and rope sheave 2 is supported in rotation mode freely by bearing 4.Brake wheel 5 with relative with motor stator 12 to mode be arranged on the position by the stator 12 peripheral direction outsides of framework 1 inside, brake wheel 5 and rope sheave 2 are formed by cast iron etc.But, brake wheel 5 and rope sheave 2 also can be arranged to discerptible independent member, and connect by methods such as bolt or embedding combinations.
Inner peripheral surface at brake wheel 5 is pasted with polylith permanent magnet 11, take consist of brake wheel 5 can dual-purpose as the rotor of the surperficial magnet-type electrical motor of rotor rim.At this moment, brake wheel 5 needs to adopt magnetic substance, and cast iron just is equivalent to this kind magnetic substance.When brake wheel 5 adopts non-magnetic material, although perhaps adopted magnetic substance but can't play one's part to the full as rotor rim the time, to make electrical motor can't guarantee the occasion in necessary magnetic circuit cross section at the thin thickness because of brake wheel 5 specifically, perhaps in the occasion that has adopted bad material of magnetization characteristic etc., also the magnetic substance of the independent member of conduct that separates with brake wheel 5 can be installed at the inner peripheral surface of brake wheel 5, the inner peripheral surface attaching permanent magnet 11 of the magnetic substance member of the independent member of conduct that separates at this and brake wheel 5.In order to suppress iron loss, magnetic substance preferably is made of stacked electromagnetic steel plate.
In addition, when consisting of magnetic substance by stacked electromagnetic steel plate, the rotor of electrical motor of the so-called flush type of electromagnetic steel plate inside can be arranged to permanent magnet 11 is imbedded, at this moment, the rotor of flush type electrical motor can be consisted of easily.In permanent magnet 11, on circumferentially, the N utmost point and the S utmost point are set alternately, the N utmost point is identical with the quantity of the S utmost point, and this quantity is half of electromotor series.Rotor is positioned at the outside of the stator 12 that is fixed on framework 1, and across air gap diametrically opposed to, consist of thus so-called outer rotor type motor.The moment of rotation that produces in this motor portion is passed to rope sheave 2 by brake wheel 5, in order to many hoist cables that are wound on rope sheave 2 are driven.Hoist cable is hung as the well-bucket mode with lift car 17 and counterbalanced weight, makes lift car 17 carry out lifting at above-below direction by driving hoist cable.
Respectively be fixed with one group of electro-magnetic braking device 6 on the upper-lower position of framework 1, have two groups of separate electro-magnetic braking devices 6 as winch.Electro-magnetic braking device 6 mainly is made of electromagnet 7, retarding spring, brake pad 8 and brake pad load-carrying element 9, and one group of electro-magnetic braking device 6 that structure is identical respectively is installed on the upper-lower position of framework 1.
Arrange porose or otch on the upper-lower position of framework 1, brake pad 8 and brake pad load-carrying element 9 arrange in the mode that runs through this hole or otch.Brake pad 8 is formed on the center shaft of the Width that all is positioned at winch up and down in electro-magnetic braking device 6 with the center that makes progress in contacted week of brake wheel 5, namely be in respect to the S. A. of rope sheave 2 and brake wheel 5 with 180 degree relatively to position relationship, make each brake pad 8 to offset the power that brake wheel 5 is pressed from peripheral direction towards center position by pressing force each other.
Below electro-magnetic braking device 6 is described.The axial length of the thickness of electro-magnetic braking device 6 and winch integral body except electro-magnetic braking device 6 is identical or less than this axial length, and the width of electro-magnetic braking device 6 is less than the diameter of rope sheave 2.As long as electro-magnetic braking device 6 can satisfy this condition, to its component structural and not restriction of shape.For example, aspect the outer shape of electromagnet 7, it can be circular, can be also the square shapes such as square.
In the occasion of the machine room-less elevator that uses thin type hoister, the contact angle that is wound on the hoist cable 20 on rope sheave 2 is typically about 180 degree, when being wound on hoist cable 20 on rope sheave 2 and observing from winch generally towards above or below substantially vertically extension.Therefore, must not there be the such works of electro-magnetic braking device 6 to exist in the space that hoist cable 20 passes through.by the thickness setting of electro-magnetic braking device 6 being become axial length with winch except electro-magnetic braking device 6 identical or less than this axial length, and further the width of electro-magnetic braking device 6 is set for diameter less than rope sheave 2, the electro-magnetic braking device 6 that does not comprise stationary member can be arranged on the dead band that is positioned at rope sheave 2 and framework 1 top between hoist cable and hoist cable, thereby can be when avoiding electro-magnetic braking device 6 and hoist cable to interfere, dwindle the axial length of machine room-less elevator very important thin type hoister integral body with thin type hoister and the size of Width.
On the other hand, in the dead band that electro-magnetic braking device 6 is arranged on described rope sheave 2 and framework 1 top, the trend of expansion appears in the height dimension of thin type hoister integral body, but because hoist trunk 15 has broad space in short transverse, so in thin type hoister was arranged on machine room-less elevator on the midway location of above-below direction of hoist trunk 15, the value of height dimension that reduces winch was little.
Below explanation is used for electro-magnetic braking device 6 is accommodated in the embodiment of the electro-magnetic braking device 6 in the dead band on rope sheave 2 and framework 1 top.Most effective when the cross sectional shape of electromagnet 7 is circular (just round) usually, and making property might as well.In general, depart from greatlyr with the cross sectional shape of circle, efficient and making property are poorer, and such as when adopting square electromagnet 7 grade, efficient and making property all can variation.Therefore, adopt in the present embodiment circular electromagnet 7 to consist of electro-magnetic braking device 6.
In order to dwindle the axial length of winch integral body, the outside dimension of circular electromagnets 7 is arranged in below the axial length of the thin type hoister integral body except electro-magnetic braking device 6, but in the machine room-less elevator that load carrying ability is little or specified passenger is few of lift car 17, because the axial length of the thin type hoister integral body of its use need to be arranged to very little axial length, generally only have 100 millimeter, therefore must need to dwindle the outside dimension of circular electromagnets 7.For the outside dimension with electromagnet 7 is controlled in 100 millimeters, unshakable in one's determination and retarding spring divides and is arranged with electromagnet 7, a plurality of retarding springs is arranged on the outside of electromagnet 7 iron cores.
In the electro-magnetic braking device 6 that some winch is used, the hole that is provided for holding retarding spring in the inside of electromagnet 7 iron cores, and retarding spring is arranged in this hole,, when the hole of retarding spring was held in inner setting unshakable in one's determination, magnetic circuit can diminish, for it is made up, namely in order to enlarge magnetic circuit, general method is the outside dimension that enlarges electromagnet 7.; due in the present invention; the outside dimension that dwindles electromagnet 7 is an important problem; so retarding spring is not arranged on unshakable in one's determination inner; but retarding spring is arranged on the outside unshakable in one's determination; thus, can dwindle the outside dimension of electromagnet 7, and can satisfy as the needed axial length of thin type hoister.
Fig. 4 and Fig. 5 be expression other embodiments relevant with the fixing means between electro-magnetic braking device and framework mainly, and identical part adopts identical symbolic representation, and the description thereof will be omitted.
In the above-described embodiments, electromagnet 7 directly is fixed on framework 1, and in the present embodiment, electro-magnetic braking device 6 is arranged on framework by stationary member 50.At this moment, as shown in Figure 4, the slim stationary member by stationary member 50 being arranged to not to interfere with hoist cable 20 can prevent that stationary member 50 and hoist cable 20 from interfering.Therefore, do not comprise this stationary member 50 in electro-magnetic braking device of the present invention, in addition, this electro-magnetic braking device 6 is arranged in zone between hoist cable 20, and this point and one embodiment of the invention are suitable.
Fig. 7 to Fig. 9 mainly represents other embodiment of magnet stopper component part, and identical part adopts identical symbolic representation, and the description thereof will be omitted.
As shown in the figure, electro-magnetic braking device 6 mainly is made of electromagnet 7, retarding spring 51, brake pad 8, brake pad load-carrying element 9 and electromagnet load-carrying element 50, and electromagnet 7 is mainly imbedded the unshakable in one's determination of winding 14 and relatively consisted of to the armature that arranges across air gap by inside.Electromagnet load-carrying element 50 is configured to iron core is fixed, and when drg moves, armature is relatively moved.Be fixed with the pillar that is connected with brake pad load-carrying element 9 on armature, brake pad 8 is installed on brake pad load-carrying element 9, by described pillar, armature and brake pad load-carrying element 9 and brake pad 8 carry out a body action.
Arranged outside at iron core has a plurality of retarding springs 51, in order to strengthen to greatest extent the outside dimension of electromagnet 7 in the axial length that dwindles winch integral body, retarding spring 51 be arranged on when whole thin type hoister is observed at front or the back side be positioned on the outside unshakable in one's determination and position, left and right, and make retarding spring 51 winch axially on can not exceed iron core.In general, the axial length of the thin type hoister that uses in machine room-less elevator is less than the diameter of rope sheave 2, so when using outside dimension than the little circular electromagnets 7 of the axial length of the winch integral body except electro-magnetic braking device 6, the outside dimension of electromagnet 7 is less than the diameter of rope sheave.Therefore, have the dead band between electromagnet 7 and hoist cable 20, retarding spring can be arranged in this dead band.
On the Width of winch, the oad of armature is greater than iron core, an end of retarding spring be fixed on armature on the outstanding part of iron core, and the other end is fixed on load-carrying element unshakable in one's determination, spring force is delivered to brake pad 8 by armature.On the contrary, when electromagnet 7 action, when overcoming spring force, armature is attracted towards iron core, leave brake wheel 5 with the brake pad 8 of armature one body action.
Embodiment 4
Figure 10 mainly represents to consist of other embodiment of the motor portion of winch, and identical part adopts identical symbolic representation, and the description thereof will be omitted.In the above-described embodiments, motor portion adopts outer rotor type motor.On the other hand, Figure 10 represents the electrical motor of inner-rotor type structure, at this moment, as shown in figure 10, only the peripheral structure of motor portion need be changed to inner-rotor type from outer-rotor type and get final product, at this moment, also can access effect of the present invention, the effect of the width dimensions of the winch that namely is inhibited.
Claims (13)
1. an elevator thin type hoister, have: framework, the suspention load of this framework support elevator; Main shaft, this main shaft is fixed and is supported on framework in the mode of cantilever; The bearing of rope sheave, this rope sheave other end by being fixed on main shaft is installed; Brake wheel, the diameter of this brake wheel be greater than the diameter of rope sheave, and rotate with the rope sheave one; And electro-magnetic braking device, this electro-magnetic braking device is braked this brake wheel, described elevator is characterised in that with thin type hoister, the brake portion of described electro-magnetic braking device is relative to the outer peripheral face of described brake wheel the ground setting, and two positions up and down in described framework are provided with described electro-magnetic braking device, the retarding spring of described electro-magnetic braking device is positioned at the outside of electromagnet, and winch axially on be arranged on oad position more in the inner part than electromagnet.
2. elevator thin type hoister as claimed in claim 1, it is characterized in that, described electro-magnetic braking device is separately positioned on upper-lower position take the horizon of drawing from the center of described rope sheave as benchmark, and the electro-magnetic braking device of upside is arranged in zone between hoist cable on being wound on described rope sheave at least.
3. elevator thin type hoister as claimed in claim 1, is characterized in that, the electromagnet of described electro-magnetic braking device is fixed on framework.
4. elevator thin type hoister as claimed in claim 1, is characterized in that, described electro-magnetic braking device is fixed on framework by retaining member.
5. elevator thin type hoister as claimed in claim 1, it is characterized in that, the maximum oad on the maximum oad of the winch of described electro-magnetic braking device on axially and whole winch except described electro-magnetic braking device axial is identical or at this below maximum oad.
6. elevator thin type hoister as claimed in claim 1, is characterized in that, the maximum oad on the rope sheave diametric(al) of described electro-magnetic braking device is less than the diameter of rope sheave.
7. elevator thin type hoister as claimed in claim 1, is characterized in that, described electro-magnetic braking device, and is positioned on the position of the brake wheel pressing force of can cancelling out each other relatively to the ground setting with respect to the S. A. of described brake wheel.
8. elevator thin type hoister as claimed in claim 1, is characterized in that, described electro-magnetic braking device is arranged on the center shaft of Width of winch, and the center that will brake brake wheel is as the center of the Width of winch.
9. elevator thin type hoister as claimed in claim 1, it is characterized in that, described electro-magnetic braking device does not have the enlarger of retarding spring power and electromagnetic attraction, and the braking distance of retarding spring and the action gap of electromagnet equate with brake clearance between described brake pad and described brake wheel.
10. elevator thin type hoister as claimed in claim 1, is characterized in that, is built-in with three-phase alternating current motor in described framework, and this three-phase alternating current motor is magnetic motor, and its stator winding adopts intensive winding, is provided with a plurality of permanent magnets on rotor.
11. elevator thin type hoister as claimed in claim 10, it is characterized in that, described stator is fixed on framework, and described rotor is fixed on brake wheel, described stator and described rotor be configured to across air gap diametrically opposed to, the diameter of air gap is greater than the diameter of rope sheave.
12. a lift facility is characterized in that, has elevator thin type hoister claimed in claim 1, this elevator is arranged on lift car in elevator lifting channel and the between the walls of hoist trunk with thin type hoister.
13. lift facility as claimed in claim 12 is characterized in that, at the between the walls of described lift car and hoist trunk, is being provided with counterbalanced weight with described elevator with in thin type hoister zone side by side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010071738A JP5048802B2 (en) | 2010-03-26 | 2010-03-26 | Thin hoisting machine for elevator and elevator device |
| JP2010-071738 | 2010-03-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102198907A CN102198907A (en) | 2011-09-28 |
| CN102198907B true CN102198907B (en) | 2013-11-06 |
Family
ID=44659939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110040023 Active CN102198907B (en) | 2010-03-26 | 2011-02-16 | Thin type hoister for elevator and elevator device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5048802B2 (en) |
| CN (1) | CN102198907B (en) |
| HK (1) | HK1157725A1 (en) |
| SG (1) | SG174675A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5840960B2 (en) * | 2012-01-24 | 2016-01-06 | 株式会社日立製作所 | Elevator hoisting machine |
| JP6284455B2 (en) * | 2014-08-08 | 2018-02-28 | 株式会社日立製作所 | Hoisting machine and elevator |
| JP2017030940A (en) * | 2015-08-04 | 2017-02-09 | 株式会社日立製作所 | Brake device, hoisting machine and elevator device |
| EP3640195A1 (en) | 2018-10-19 | 2020-04-22 | Otis Elevator Company | Elevator brake |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1241528A (en) * | 1998-07-07 | 2000-01-19 | 株式会社日立制作所 | Elevator apparatus |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11130365A (en) * | 1997-10-29 | 1999-05-18 | Hitachi Ltd | Elevator device |
| FI106192B (en) * | 1999-09-16 | 2000-12-15 | Kone Corp | Lifting machinery for a lift |
| JP2003104666A (en) * | 2001-09-28 | 2003-04-09 | Meidensha Corp | Hoisting machine and elevator device |
| JP2003262243A (en) * | 2002-03-07 | 2003-09-19 | Mitsubishi Electric Corp | Power transmission |
| DE60333770D1 (en) * | 2002-10-18 | 2010-09-23 | Mitsubishi Electric Corp | DRIVE DEVICE FOR ELEVATOR |
| JP4284123B2 (en) * | 2003-07-29 | 2009-06-24 | 株式会社日立製作所 | Hoisting machine and elevator device equipped with hoisting machine |
| JP4819658B2 (en) * | 2006-11-24 | 2011-11-24 | 三菱電機株式会社 | Brake machine of hoisting machine |
| JP2010235266A (en) * | 2009-03-31 | 2010-10-21 | Hitachi Ltd | Thin type hoisting machine and driving motor for thin type hoisting machine |
-
2010
- 2010-03-26 JP JP2010071738A patent/JP5048802B2/en active Active
-
2011
- 2011-02-16 CN CN 201110040023 patent/CN102198907B/en active Active
- 2011-02-17 SG SG2011011350A patent/SG174675A1/en unknown
- 2011-11-15 HK HK11112312.3A patent/HK1157725A1/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1241528A (en) * | 1998-07-07 | 2000-01-19 | 株式会社日立制作所 | Elevator apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1157725A1 (en) | 2012-07-06 |
| CN102198907A (en) | 2011-09-28 |
| JP5048802B2 (en) | 2012-10-17 |
| SG174675A1 (en) | 2011-10-28 |
| JP2011201671A (en) | 2011-10-13 |
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