CN106458522A - Elevator hoist and method for fastening rope sheave for elevator hoist - Google Patents
Elevator hoist and method for fastening rope sheave for elevator hoist Download PDFInfo
- Publication number
- CN106458522A CN106458522A CN201480079531.2A CN201480079531A CN106458522A CN 106458522 A CN106458522 A CN 106458522A CN 201480079531 A CN201480079531 A CN 201480079531A CN 106458522 A CN106458522 A CN 106458522A
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- CN
- China
- Prior art keywords
- rope sheave
- rotor
- thread part
- gear
- fitting portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/08—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
An elevator hoist (1) is provided with a stator (2), a rotor (3) which is provided facing the stator (2), and a ring-shaped rope sheave (4) which is mounted to the supporting outer peripheral surface (3a) of the rotor (3). A male thread section (41) is provided on the supporting outer peripheral surface (3a) of the rotor (3), and a female thread section (51) is provided on the inner surface of the rope sheave (4). The rope sheave (4) is affixed to the outside radially of the supporting outer peripheral surface (3a) of the rotor (3) by engaging the female thread section (51) of the rope sheave (4) with the male thread section (41) of the rotor (3).
Description
Technical field
The present invention relates to the fastening method of the rope sheave of elevator traction machine and elevator traction machine.
Background technology
Elevator at least has：It is arranged in the hoistway vertically extending the car of movement, make to move down on this car
Dynamic rope and the traction machine driving this rope.
As conventional traction machine, for example, there is the traction machine disclosed in patent documentation 1.In this traction machine, rope sheave is strong
It is embedded in strongly or hot pressing is embedded on output shaft, rope sheave and output shaft are configured to integratedly be rotated.
Prior art literature
Patent documentation
Patent documentation 1：Japanese Unexamined Patent Application 61-273487 publication
Content of the invention
Invent problem to be solved
In traction machine disclosed in patent documentation 1, in the case of rope sheave hot pressing being fitted and fixed with the output shaft it is necessary to
Using some way, rope sheave is heated.Therefore, after elevator is installed in locality, rope sheave is necessary because some reasons are worn and torn
In the case of replacing, carried out using firearm after hot pressing is fitted together to it is necessary to separately be carried out tightly by bolt or collar nut etc. local
Gu.
That the present invention is in view of the foregoing and completes it is therefore intended that providing a kind of elevator traction machine and elevator traction machine
Rope sheave fastening method, it is not forced the replacing that just can carry out rope sheave with firearm.
Means for solving the problems
In order to achieve the above object, the elevator traction machine of the present invention has：Stator；Rotor, it is opposed to set with this stator
Put；And the rope sheave of ring-type, it is installed on the supporting outer peripheral face of this rotor, is provided with outer spiral shell on the supporting outer peripheral face of described rotor
Stricture of vagina portion, is provided with internal thread part on the medial surface of described rope sheave, by by the described internal thread part of described rope sheave and described rotor
Described external thread part tighten, this rope sheave is fixed on the radial outside of the described supporting outer peripheral face of this rotor.
Additionally, in the fastening method of the rope sheave of the elevator traction machine of the present invention for reaching identical purpose, preparing to turn
Son and the rope sheave of ring-type, are provided with external thread part on the supporting outer peripheral face of described rotor, are provided with the medial surface of described rope sheave
Internal thread part, by tightening the described external thread part of the described internal thread part of described rope sheave and described rotor, this rope sheave is solid
It is scheduled on the radial outside of the described supporting outer peripheral face of this rotor.
The effect of invention
The fastening method of the rope sheave of the elevator traction machine according to the present invention, is not forced and just can carry out rope sheave with firearm
Change.
Brief description
Fig. 1 is the figure of the structure of the elevator traction machine illustrating embodiments of the present invention 1.
Fig. 2 is to illustrate to be related to the rope sheave of present embodiment 1 and the figure of rotor and the instrument for fastening.
Fig. 3 is the figure of the state illustrating to assemble the instrument being used for fastening with rope sheave and rotor in fig. 2.
Fig. 4 is to illustrate to apply the rope sheave of embodiments of the present invention 2 and the figure of rotor.
Specific embodiment
Below based on accompanying drawing, the embodiment of the fastening method of the rope sheave of the elevator traction machine of the present invention is illustrated.
And, in figure, identical label represents identical or corresponding part.
Embodiment 1
Fig. 1 is the figure of the structure of the elevator traction machine illustrating embodiments of the present invention 1.Fig. 2 is to illustrate to be related to this enforcement
The rope sheave of mode 1 and the figure of rotor and the instrument for fastening.Fig. 3 is instrument and the rope sheave illustrating will to be used for fastening in fig. 2
And the figure of state that rotor assembles.Fig. 2 and Fig. 3 all illustrates rotation centerline along the state in the direction of paper and rotation side by side
Turn the state in the centrage direction orthogonal with paper.
Elevator traction machine 1 has the rope sheave 4 of stator 2, rotor 3 and ring-type.Stator 2 is fixed on housing 1a, rotor 3
It is configured to opposed with stator 2 and be supported by the way of can rotating.Rotor 3 is provided with multiple permanent magnets 5, and rotor 3 passes through
The electric magnet that stator 2 is constituted is rotated with the attraction/repulsion of permanent magnet 5.In addition, apply the form tool of moment of torsion to rotor 3
Body not limited to this.
The rope sheave 4 of ring-type is arranged on the supporting outer peripheral face 3a of the rotor 3 of hollow (tubular).Rope sheave 4 includes rope supporting
Portion 11 and rope sheave gear 13.Rope sheave gear 13 is formed as integratedly rotating with rope support 11.Rope sheave gear 13 and rope prop up
Bearing portion 11 is located at than rope support 11 by turning along the bearing of trend arrangement of the rotation centerline RL of rotor 3, rope sheave gear 13
The position of the aftermentioned large-diameter portion side of son 3.
Rotor 3 includes minor diameter part 21 and large-diameter portion 22.In addition, large-diameter portion and minor diameter part are not meant to each individuality
To embody the degree of size, to mean only that represent the part distinguished with their relative external diameter magnitude relationship completely.
And, large-diameter portion 22 includes wall portion 31 and cylinder portion 33.The wall portion 31 of large-diameter portion 22 is outside to footpath from minor diameter part 21
The discoid part of side extension.Cylinder portion 33 be from the outer diameter part of wall portion 31 along the rotation centerline RL of rotor 3 to rope sheave 4
The part that detached direction extends.
External thread part 41 and the 1st fitting portion 43 are provided with the supporting outer peripheral face 3a of rotor 3.On the other hand, in rope sheave 4
Medial surface (inside diameter of ring-type) is provided with internal thread part 51 and the 2nd fitting portion 53.In present embodiment 1, outside the supporting of rotor 3
Side face 3a is the outer peripheral face of the minor diameter part 21 of rotor 3.
The external thread part 41 of rotor 3 and the 1st fitting portion 43 arrange along the bearing of trend of the rotation centerline RL of rotor 3,
As an example, the 1st fitting portion 43 is located at the position leaning on large-diameter portion 22 side than external thread part 41.Additionally, the female thread of rope sheave 4
Portion 51 and the 2nd fitting portion 53 along the bearing of trend arrangement of the rotation centerline RL of rotor 3, as an example, when by rope sheave 4
When fastening with rotor 3, the 2nd fitting portion 53 is located at the position leaning on large-diameter portion 22 side than internal thread part 51.
External thread part 41 and the 1st fitting portion 43 have identical center.Internal thread part 51 and the 2nd fitting portion 53 have identical
Center.Additionally, the 1st fitting portion 43 and the 2nd fitting portion 53 are formed on the basis of identical center, when will be tight with rotor 3 for rope sheave 4
Gu when, the 1st fitting portion 43 is contacted with the 2nd fitting portion 53 face.
Next, illustrating to the instrument being used for fastening in present embodiment 1.The method of present embodiment 1 makes
With instrument 61.Instrument 61 has tool gear 63, support projection 65, handle 67.
Tool gear 63 is configured to engage with the rope sheave gear 13 of rope sheave 4 in advance.Support projection 65 is from tool gear 63
One surface side extends on instrument center of rotation TC.Handle 67 is arranged on another surface side of tool gear 63, the handle portion of handle 67
Divide and deviate from instrument center of rotation TC.
In addition, rotor 3 large-diameter portion 22 be provided with support tool 61 support projection 65 projection receiving portion 69.This enforcement
In mode 1, projection receiving portion 69 is the hole being located on large-diameter portion 22, specifically in the face upper shed of minor diameter part 21 side of wall portion 31
And the hole along cylinder portion 33 extension.
In addition, projection receiving portion 69 is not limited to hole, as long as contact with support projection 65 and have can limit to support dashing forward
Play 65 functions at least one the direction movement orthogonal with instrument center of rotation TC.
Next, illustrating to the fastening method of the rope sheave of the elevator traction machine of present embodiment 1.First, by rope sheave 4
Lightly it is screwed into the external thread part 41 of rotor 3.Then, as shown in figure 3, the support projection 65 of instrument 61 is placed in rotor 3
The projection receiving portion 69 of large-diameter portion 22.Specifically, the support projection 65 of instrument 61 is inserted holding as projection of large-diameter portion 22
Receive in the hole in portion 69.Additionally, the state that now tool gear 63 maintenance of instrument 61 is engaged with the rope sheave gear 13 of rope sheave 4, will
The support projection 65 of instrument 61 is inserted in the hole as projection receiving portion 69 of large-diameter portion 22.
From this state, rotating handles 67 as shown by arrow A, by this instrument 61 tool gear 63 as shown by arrow B with
Support projection 65 is that fulcrum (around instrument center of rotation TC) rotates, the rope sheave gear 13 such as arrow C institute engaged with tool gear 63
Show rotation.That is, the rope sheave 4 receiving revolving force at rope sheave gear 13 rotates around the supporting outer peripheral face 3a of rotor 3.Thus, interior
Threaded portion 51 is tightened with external thread part 41.
Additionally, now by the effect of external thread part 41 and internal thread part 51, rope sheave 4 rotates straight line and moves
Dynamic.That is, rope sheave 4 rotates around the supporting outer peripheral face 3a of rotor 3, and along rotor 3 in the way of close to the large-diameter portion 22 of rotor 3
Rotation centerline RL move.Thus, on the basis of original external thread part 41 is combined with internal thread part 51, also there occurs the 1st
Fitting portion 43 is contacted with the face of the 2nd fitting portion 53, has also obtained the certralizing ability that rope sheave 4 is with respect to rotor 3.
As described above, the fastening method of the rope sheave of the elevator traction machine according to present embodiment 1, using rope sheave
Internal thread part and the external thread part of rotor come with reference to rope sheave and rotor, be therefore not forced the combination institute with being fitted together to based on hot pressing
Necessary firearm just can carry out the replacing of rope sheave.Additionally, as the structure different from present embodiment 1 it has been assumed that from along
The direction of the rotation centerline of rotor is inserted bolt etc. to rope sheave and this bolt etc. is screwed into the mode of rotor, but such
The space of insertion bolt etc. in the case of assuming structure, may not be substantially ensured that in the rope sheave of relatively path in rope sheave.
On the other hand, if the fastening method of the rope sheave of the elevator traction machine of present embodiment 1, then need not be from the rotation along rotor
The direction of heart line is to rope sheave insertion bolt etc., even if the rope sheave of therefore contrast smaller radial also can successfully be implemented.Additionally, at this
In embodiment 1, on the basis of external thread part is combined with internal thread part, also there occurs the face of the 1st fitting portion and the 2nd fitting portion
Contact, therefore while tighten rope sheave with rotor, also completes the centering of rope sheave and rotor.In addition, external thread part and the 1st
Position relationship on rotation centerline direction for the fitting portion and internal thread part and the 2nd fitting portion are on rotation centerline direction
Position relationship can also be implemented in turn from above-mentioned state.
Additionally, according to present embodiment 1, due to rope sheave, rotor, motor rotation can be made from outside using manpower, therefore having
There is the operation that can be used not only for changing rope sheave, the advantage of personnel in rescue car when can be used for urgent.
In addition, in present embodiment 1, due to fastening rope using the fully necessary screw-down torque exceeding loosening torque
Wheel, is therefore not necessarily required to anti-loose structure, but can be in the lump using pin etc. in order to increase tolerance.In addition it is also possible to prepare multiple use
Multiple holes or groove in the final position confirming when tightening.
Embodiment 2
Then, embodiments of the present invention 2 are described.Fig. 4 is rope sheave and the rotor illustrating to apply present embodiment 2
Figure.In addition, except part described below, present embodiment 2 is identical with above-mentioned embodiment 1.
In present embodiment 2, it is to be formed with external thread part on the outer peripheral face of minor diameter part 21 in the supporting outer peripheral face 3a of rotor 3
41, and do not form the 1st fitting portion as embodiment 1.Additionally, being formed with internal thread part 51 on the inner peripheral surface of rope sheave 4, and
Do not form the 2nd fitting portion as embodiment 1.
In present embodiment 2, the 3rd fitting portion 131a is provided with rotor 3, the rope sheave gear 113 of rope sheave 4 is arranged
There is the 4th fitting portion 113b contacting with the 3rd fitting portion 131a face, embedding with the 1st fitting portion 43 and the 2nd that replaces embodiment 1
Conjunction portion 53.
The rope sheave gear 113 of rope sheave 4 has and above-mentioned embodiment 1 identical gear parts 113a and the 4th fitting portion
113b.4th fitting portion 113b is the face opposed with the wall portion 31 of the large-diameter portion 22 of rotor 3.On the other hand, the large-diameter portion of rotor 3
The face of rope sheave 4 side of 22 wall portion 31 plays a role as the 3rd fitting portion 131a.
Also obtained the advantage same with embodiment 1 in such present embodiment 2 constituting.Additionally, rope sheave to
In the stage that rotor has persistently been screwed into, the 3rd fitting portion can be made to contact with the 4th fitting portion face, thus in the same manner as embodiment 1
While rope sheave and rotor are tightened, also complete the centering of rope sheave and rotor.
More than, reference is preferred embodiment specifically illustrated to present disclosure, but according to the present invention's
Basic technological thought and enlightenment are it is evident that those skilled in the art can adopt various modifications mode.
For example, the shape of the fitting portion for the purpose of feeling relieved be not limited to above-mentioned as shown in along orthogonal with rotation centerline
Direction extend straight shape, can be taper.Additionally, in the screw thread essence achieving high external thread part and internal thread part
In the case of degree, only the centering that rope sheave is with respect to rotor is ensured that by the fastening of external thread part and internal thread part, therefore
A pair of fitting portion of face contact can be omitted in the case of being somebody's turn to do.
Label declaration
1：Traction machine；2：Stator；3：Rotor, 3a：Supporting outer peripheral face；4：Rope sheave；11：Rope support；13、113：Rope sheave
Gear；21：Minor diameter part；22：Large-diameter portion；31：Wall portion；33：Cylinder portion；41：External thread part；43：1st fitting portion；51：Female thread
Portion；53：2nd fitting portion；61：Instrument；63：Tool gear；65：Support projection；67：Handle；69：Projection receiving portion；113b：The
4 fitting portions；131a：3rd fitting portion.
Claims (9)
1. a kind of elevator traction machine, this elevator traction machine has：
Stator；
Rotor, it is opposed to arrange with this stator；And
The rope sheave of ring-type, it is installed on the supporting outer peripheral face of this rotor,
The supporting outer peripheral face of described rotor is provided with external thread part,
The medial surface of described rope sheave is provided with internal thread part,
By tightening the described external thread part of the described internal thread part of described rope sheave and described rotor, this rope sheave is fixed on this
The radial outside of the described supporting outer peripheral face of rotor.
2. elevator traction machine according to claim 1, wherein,
Described external thread part and the 1st fitting portion are provided with the supporting outer peripheral face of described rotor,
Described internal thread part and the 2nd fitting portion being contacted with described 1st fitting portion face are provided with the medial surface of described rope sheave.
3. elevator traction machine according to claim 1, wherein,
Described rotor includes minor diameter part and large-diameter portion,
Described large-diameter portion includes the wall portion radially expanding from described minor diameter part and the outer diameter part from described wall portion along described rotor
Rotation centerline extend cylinder portion,
Described wall portion plays a role as the 3rd fitting portion,
The 4th fitting portion being contacted with described 3rd fitting portion face is provided with described rope sheave.
4. a kind of fastening method of the rope sheave of elevator traction machine, in the method,
Prepare the rope sheave of rotor and ring-type,
The supporting outer peripheral face of described rotor is provided with external thread part,
The medial surface of described rope sheave is provided with internal thread part,
By tightening the described external thread part of the described internal thread part of described rope sheave and described rotor, this rope sheave is fixed on this
The radial outside of the described supporting outer peripheral face of rotor.
5. the fastening method of the rope sheave of elevator traction machine according to claim 4, wherein,
Described rope sheave includes rope support and rope sheave gear,
Described rope sheave gear is formed as integratedly rotating with rope support,
Described rotor includes minor diameter part and large-diameter portion,
Prepare the instrument with tool gear, support projection and handle,
It is conformed with receiving portion in described large-diameter portion,
The described support projection of described instrument is placed in the described projection receiving portion of described large-diameter portion, and makes described instrument
Described tool gear engage with the described rope sheave gear of described rope sheave in the state of, rotate described handle, thus make described work
Tool gear and described rope sheave gear rotation, so that described rope sheave is rotated with respect to described rotor, by described internal thread part with described
External thread part is tightened.
6. the fastening method of the rope sheave of elevator traction machine according to claim 5, wherein,
Described large-diameter portion includes the wall portion radially expanding from described minor diameter part and the outer diameter part from described wall portion along described rotor
Rotation centerline extend cylinder portion,
Described projection receiving portion is the hole extending along cartridge from the face of the described minor diameter part side of described wall portion.
7. the fastening method of the rope sheave of elevator traction machine according to claim 4, wherein,
Described external thread part and the 1st fitting portion are provided with the supporting outer peripheral face of described rotor,
Described internal thread part and the 2nd fitting portion being contacted with described 1st fitting portion face are provided with the medial surface of described rope sheave.
8. the fastening method of the rope sheave of elevator traction machine according to claim 4, wherein,
Described rotor includes minor diameter part and large-diameter portion,
Described large-diameter portion includes the wall portion radially expanding from described minor diameter part and the outer diameter part from described wall portion along described rotor
Rotation centerline extend cylinder portion,
Described wall portion plays a role as the 3rd fitting portion,
The 4th fitting portion being contacted with described 3rd fitting portion face is provided with described rope sheave.
9. the fastening method of the rope sheave of elevator traction machine according to claim 8, wherein,
Described rope sheave includes rope support and rope sheave gear,
Described rope sheave gear is formed as integratedly rotating with rope support,
Prepare the instrument with tool gear, support projection and handle,
It is conformed with receiving portion in described large-diameter portion,
The described support projection of described instrument is placed in the described projection receiving portion of described large-diameter portion, and makes described instrument
Described tool gear engage with the described rope sheave gear of described rope sheave in the state of, rotate described handle, thus make described work
Tool gear and described rope sheave gear rotation, so that described rope sheave is rotated with respect to described rotor, by described internal thread part with described
External thread part is tightened,
Described 4th fitting portion is located on described rope sheave gear.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2014/064965 WO2015186222A1 (en) | 2014-06-05 | 2014-06-05 | Elevator hoist and method for fastening rope sheave for elevator hoist |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106458522A true CN106458522A (en) | 2017-02-22 |
| CN106458522B CN106458522B (en) | 2018-11-13 |
Family
ID=54766318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480079531.2A Expired - Fee Related CN106458522B (en) | 2014-06-05 | 2014-06-05 | The fastening method of the rope sheave of elevator traction machine and elevator traction machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6169274B2 (en) |
| CN (1) | CN106458522B (en) |
| WO (1) | WO2015186222A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109205443A (en) * | 2017-06-29 | 2019-01-15 | 株式会社日立制作所 | Hoist engine and elevator |
| CN115108438A (en) * | 2021-03-18 | 2022-09-27 | 三菱电机株式会社 | Rope sheave of elevator hoist and elevator hoist |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61273487A (en) * | 1985-05-29 | 1986-12-03 | 株式会社日立製作所 | Winding machine for elevator |
| EP0878430A2 (en) * | 1997-05-16 | 1998-11-18 | Baumüller Nürnberg Gmbh | Lifting device, in particular elevator, with an electric motor and use of the electric motor |
| CN1106338C (en) * | 1998-07-07 | 2003-04-23 | 株式会社日立制作所 | Elevator apparatus |
| CN1419519A (en) * | 2001-02-13 | 2003-05-21 | 三菱电机株式会社 | Drive sheave of elevator |
| JP2003276972A (en) * | 2002-03-22 | 2003-10-02 | Mitsubishi Electric Corp | Winch for elevator |
| CN1520631A (en) * | 2001-05-18 | 2004-08-11 | ��ɭ�������������ι�˾ | Electrical machine with plastic supporting pieces |
| CN1735553A (en) * | 2004-01-15 | 2006-02-15 | 三菱电机株式会社 | Hoist for elevator |
| CN1926052A (en) * | 2004-12-15 | 2007-03-07 | 三菱电机株式会社 | Traction machine for elevator |
| CN101423167A (en) * | 2007-10-31 | 2009-05-06 | 株式会社日立制作所 | Elevator and winch and motor used by the elevator |
-
2014
- 2014-06-05 WO PCT/JP2014/064965 patent/WO2015186222A1/en active Application Filing
- 2014-06-05 JP JP2016525630A patent/JP6169274B2/en not_active Expired - Fee Related
- 2014-06-05 CN CN201480079531.2A patent/CN106458522B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61273487A (en) * | 1985-05-29 | 1986-12-03 | 株式会社日立製作所 | Winding machine for elevator |
| EP0878430A2 (en) * | 1997-05-16 | 1998-11-18 | Baumüller Nürnberg Gmbh | Lifting device, in particular elevator, with an electric motor and use of the electric motor |
| CN1106338C (en) * | 1998-07-07 | 2003-04-23 | 株式会社日立制作所 | Elevator apparatus |
| CN1419519A (en) * | 2001-02-13 | 2003-05-21 | 三菱电机株式会社 | Drive sheave of elevator |
| CN1520631A (en) * | 2001-05-18 | 2004-08-11 | ��ɭ�������������ι�˾ | Electrical machine with plastic supporting pieces |
| JP2003276972A (en) * | 2002-03-22 | 2003-10-02 | Mitsubishi Electric Corp | Winch for elevator |
| CN1735553A (en) * | 2004-01-15 | 2006-02-15 | 三菱电机株式会社 | Hoist for elevator |
| CN1926052A (en) * | 2004-12-15 | 2007-03-07 | 三菱电机株式会社 | Traction machine for elevator |
| CN101423167A (en) * | 2007-10-31 | 2009-05-06 | 株式会社日立制作所 | Elevator and winch and motor used by the elevator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109205443A (en) * | 2017-06-29 | 2019-01-15 | 株式会社日立制作所 | Hoist engine and elevator |
| CN109205443B (en) * | 2017-06-29 | 2020-11-10 | 株式会社日立制作所 | Hoist and elevator |
| CN115108438A (en) * | 2021-03-18 | 2022-09-27 | 三菱电机株式会社 | Rope sheave of elevator hoist and elevator hoist |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106458522B (en) | 2018-11-13 |
| WO2015186222A1 (en) | 2015-12-10 |
| JPWO2015186222A1 (en) | 2017-04-20 |
| JP6169274B2 (en) | 2017-07-26 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20210605 |