WO2015159319A1 - Pit entry/exit device for elevator - Google Patents
Pit entry/exit device for elevator Download PDFInfo
- Publication number
- WO2015159319A1 WO2015159319A1 PCT/JP2014/002120 JP2014002120W WO2015159319A1 WO 2015159319 A1 WO2015159319 A1 WO 2015159319A1 JP 2014002120 W JP2014002120 W JP 2014002120W WO 2015159319 A1 WO2015159319 A1 WO 2015159319A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- guide rail
- pit
- hoistway
- exit
- exit device
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
Definitions
- the present invention relates to an elevator pit entry / exit device for an operator to enter / exit a hoistway pit.
- the mounting arm with a hook is fixed to the guide rail, and the upper end of the pit entry / exit device is fixed to the hook so that the ladder does not fall off and drop due to vibrations during an earthquake or elevator lift (Patent Document 1 and 2) Or, when the elevator is in normal operation, it is housed on the back side of the guide rail, pulled out to the landing side during use, and fixed to the bracket installed on the landing side. 3).
- the pit entry / exit device is housed in the hoistway so as not to interfere with the elevator equipment that moves up and down.
- preparation work is required to make the pit entry / exit device stored in the hoistway ready for use at a landing according to a predetermined procedure.
- the worker falls from the landing to the hoistway, and there is a problem that safety and convenience are inferior.
- the pit entrance / exit device is not used, it is necessary to confirm that the pit entrance / exit device is correctly stored so as not to interfere with the elevator equipment using a mechanical or electrical sensor.
- the present invention has been made to solve the above-described problems, and by always installing a pit entry / exit device on the back of the guide rail, the pit entry / exit device can be stored or used from the stored state. It is an object of the present invention to provide an elevator pit entry / exit device that allows a worker to enter and exit the pit safely and conveniently.
- the elevator pit entry / exit device is a pit entry / exit device installed in a hoistway and used for entering / exiting from the landing into the pit of the hoistway, and a plurality of pit entry / exit devices installed at intervals in the vertical direction.
- the guide rail for guiding the landing and the lifting body on the vertical projection surface in the hoistway are provided within a predetermined range, and each tread on the horizontal projection surface in the hoistway is provided on the guide rail.
- the length from the end of the guide rail that is fixed to the back of the guide rail or in the vicinity so that it intersects the vertical direction, and the end of the tread that extends to the opposite side of the guide rail. Is arranged to be equal to or more than the foot width.
- This invention when entering and exiting a pit using a pit entry / exit device, prepares the pit entry / exit device stored in the hoistway in a usable state, and stores it in the hoistway when the pit entry / exit device is not used. It is possible to realize a highly safe and convenient pit entry / exit device that can use the pit entry / exit device as it is from the hall without taking time and effort.
- FIG. 4 is a plan view (cross section AA) showing the vertical projection plane of FIG. 3 according to Embodiment 2 of the present invention.
- FIG. 4 is a plan view (cross section BB) showing the vertical projection plane of FIG. 3 according to Embodiment 2 of the present invention.
- FIG. 4 is a front view which shows the form of the other pattern which comprises the principal part by Embodiment 2 of this invention.
- FIG. 1 and 2 illustrate a pit exit / entry device according to Embodiment 1 of the present invention.
- FIG. 1 is a front view showing a pit entrance / exit device in which the pit entrance / exit device is disposed on the back of the guide rail.
- FIG. It is a top view which shows the 1 vertical projection surface. Note that ropes, hoisting machines, speed governors, control panels, and the like are omitted from the elevator hoistway equipment.
- the hoistway 1 is provided with a landing 2 and a car 3 as an elevating body, and guide rails 4 a and 4 b for guiding the car 3 for raising and lowering the car 3 in the hoistway 1 are provided on both sides of the car 3. ing.
- the landing 2 and the guide rails 4 a and 4 b for guiding the car 3 are provided within a predetermined range.
- a balancing weight 5 which is a lifting body that moves up and down in the opposite direction.
- a rope (not shown) for raising and lowering the lifting body is wound around the balance weight 5 on one side and is wound around a suspension wheel 6 provided at the lower part of the car 3, and is arranged by 2: 1 roping.
- the car 3 is moved up and down in the road 1.
- a pit exit / entry device 8 used to enter / exit into the pit 7 of the hoistway 1 from the landing 2 is provided on the back surface of the guide rail 4a and has a plurality of treads 9 that are installed at intervals in the vertical direction. is doing.
- the guide rail 4a is a car rail provided on the counterweight 5 side in the hoistway 1.
- the tread board 9 is fixed to the back surface of the guide rail 4a so as to intersect the vertical direction of the guide rail 4a on the horizontal projection surface in the hoistway 1.
- the step board 9 is extended to the landing 2 side and the counter landing 2 side as seen from the guide rail 4a intersecting in the vertical projection plane, and the end of the guide rail 4a where the step board 9 and the guide rail 4a intersect each other.
- the length from the portion to the end of the tread 9 that extends toward the anti-guide rail 4a is arranged equal to or greater than the foot width.
- the car 3 In order to get in and out of the pit 7 from the landing 2, the car 3 is stopped on the floor above the landing 2 and the door (not shown) of the landing 2 is opened. An operator puts his hand on the tread board 9 at a height that can be reached in a posture standing near the landing sill (not shown) on the hoistway 1 side of the landing 2 so that the body does not fall into the hoistway 1. The entire body is moved to the pit entry / exit device 8 while keeping one foot on the tread board 9 that is high enough to reach one foot without being overwhelmed. After moving to the pit entrance / exit device 8, the worker goes up and down the pit 7 along the tread board 9. After the work in the pit 7 is completed, the operator returns from the pit 7 to the landing 2 using the pit entrance device 8 in a procedure reverse to the procedure of moving from the landing 2 into the pit 7.
- the pit entrance / exit device 8 that is installed in the hoistway 1 and is used to enter / exit into the pit 7 of the hoistway 1 from the landing 2, it is spaced apart from each other in the vertical direction.
- a plurality of treads 9 are installed, and a landing rail 2 and a guide rail 4a for guiding a car 3 as a lifting body on a vertical projection plane in the hoistway 1 are provided within a predetermined range, and Each tread 9 is fixed to the back surface of the guide rail 4a so as to intersect the vertical direction of the guide rail 4a on the horizontal projection plane in the road 1, and the end of the guide rail 4a where the tread 9 and the guide rail 4a intersect.
- FIG. 3 to 5 illustrate a pit exit / entry device according to Embodiment 2 of the present invention.
- FIG. 3 is a front view showing an essential part
- FIG. 4 is a plan view showing a vertical projection plane of FIG.
- FIG. 5 is a plan view (cross section BB) showing the vertical projection plane of FIG. 6 to 8 are front views showing other patterns constituting the main part according to the second embodiment of the present invention.
- the elevator pit entry / exit device according to the second embodiment of the present invention includes a column 10 that supports a plurality of treads 9 in the vertical direction at intervals, or to fix the guide rail 4a to the hoistway 1 wall.
- the rail bracket 10 is arranged in a part of the pit entry / exit device 8, and the same symbols are added to the other similar parts, and the description is omitted.
- the pit entrance / exit device 8 is provided with struts 10 that are supported at both ends of a plurality of treads 9 at intervals in the vertical direction.
- the pit entrance / exit device 8 has a necessary rigidity as a plurality of treads 9 are coupled to each other by a column 10.
- a rail bracket 11 for fixing the guide rail 4 a to the wall of the hoistway 1 is arranged at a part between the upper and lower sides of the plurality of treads 9.
- the rail bracket 11 has a weight side guide rail 12a fixed to one end, a weight side guide rail 11b fixed to the other end, and a cage side guide rail 4a fixed to an intermediate portion. That is, the cage side guide rail 4a is fixed to the hoistway 1 wall through the rail bracket 11 and the weight side guide rails 12a and 11b.
- the support column 10 is arranged in contact with or close to the rail bracket 11 so as to intersect the horizontal direction, and is fixed to the rail bracket 11 by welding or bolts.
- the rail bracket 11 is provided so that it can be used also as a tread 9 while fixing the guide rail 4a to the hoistway 1 wall.
- the rail bracket 11 is integrally formed, and is independently fixed to the hoistway 1 wall without depending on the rigidity of the pit access device 8. That is, since the rail bracket 11 does not depend on the rigidity of the pit entry / exit device 8, the column 10 need not be provided as shown in FIGS.
- the tread 9 is fixed to the back surface of the guide rail 4 a, and extends from the position where the guide rail 4 a is fixed on the vertical projection surface to both the landing side and the opposite landing side, so that it can be used as the rail bracket 11. It is provided.
- the tread board 9 is a pattern applicable when the hoistway device 1 does not interfere with the hoistway device.
- the tread plate 9 is fixed to the back surface of the guide rail 4a, and is provided to extend only on the landing side from the position where the guide rail 4a is fixed on the vertical projection plane.
- the tread board 9 is a pattern applicable when it interferes with a hoistway device on the side opposite to the landing in the hoistway 1.
- the rail bracket 13 is provided in a divided structure, and is not directly fixed to the back surface of the guide rail 4 a, and the guide rail 4 a is fixed to the hoistway 1 wall through the support column 10.
- the rail bracket 13 has a weight side guide rail 12a or 12b fixed to one end, and a column 10 fixed to the other end. That is, the cage side guide rail 4a is fixed to the hoistway 1 wall via the pit entrance / exit device 8, the rail bracket 13, and the weight side guide rail 12a or 12b.
- a part of the tread plate 9 is fixed to the back surface of the guide rail 4a.
- the rail bracket 13 since the rail bracket 13 is fixed to the guide rail 4 a via the support column 10, it is fixed to the hoistway 1 wall depending on the rigidity of the pit access device 8.
- the pit entrance / exit device 8 is arranged to be used as the tread 9 by fixing the support column 10 to the rail bracket 11, but may be fixed by other means.
- a mounting tool (not shown) having an arm extending in the horizontal direction in a part of the support column 10 and a downward L-shaped mounting portion at the tip of the arm is provided. In the vicinity of the back surface of the guide rail 4a, this downward L-shaped attachment portion is hooked on the rail bracket 11 from above to fix the pit entrance / exit device 8.
- the rail bracket 11 and the pit entrance / exit device 8 are provided separately.
- the pit is fixed in the end portion of the tread 9 and is provided with the struts 10 that support the plurality of treads 9 at intervals in the vertical direction.
- the entry / exit device 8 requires a special design, but the pit entry / exit device 8 has the same shape as a general ladder, so that the special design is not required, which is advantageous for cost reduction.
- the rail bracket 11 for fixing the guide rail 4a to the wall of the hoistway 1 between the upper and lower sides of the tread plate 9, the rail bracket 11 is also used as the tread plate 9, and the pit entrance / exit device 8 is connected to the guide rail 4a.
- the pit entry / exit device 8 does not require a load other than the worker going up and down, there is no need to increase the rigidity of the pit entry / exit device 8, so that a general ladder can be applied as the pit entry / exit device 8, which is advantageous for cost reduction. Become.
- the rail bracket 13 is divided and attached to the pit entrance / exit device 8, which eliminates the need for an integrated design like the rail bracket 11.
- layout design for avoiding interference with hoistway equipment can be facilitated even during renovation work, and the degree of freedom in design can be increased.
- FIG. 9 to 10 illustrate a pit exit / entry device according to Embodiment 3 of the present invention.
- FIG. 9 is a front view showing a main part
- FIG. 10 is a plan view showing a vertical projection plane of FIG.
- the elevator pit exit / entry device according to Embodiment 3 of the present invention is different in that the tread plate 9 or the support column 15 is arranged in the vertical projection plane of the rail bracket 14, and the same symbols are added to the other similar parts and the explanation is made. Omitted.
- the pit entry / exit device 8 is provided with struts 15 that are supported on the both ends of a plurality of treads 9 at an interval in the vertical direction.
- the support column 15 is provided in a vertically divided structure, and one end is fixed to the tread plate 9 and the other end is fixed to the rail bracket 14.
- the plurality of treads 9 are connected to each other by the support columns 15 so that the pit entrance / exit device 8 has a required rigidity.
- a rail bracket 14 for fixing the guide rail 4 a to the wall of the hoistway 1 is arranged at a part between the upper and lower sides of the plurality of treads 9.
- the rail bracket 14 has a weight side guide rail 12a fixed to one end, a weight side guide rail 12b fixed to the other end, and a cage side guide rail 4a and a column 15 fixed to an intermediate portion. That is, the cage side guide rail 4a is fixed to the hoistway 1 wall through the rail bracket 14 and the weight side guide rails 12a and 12b.
- the tread board 9 or the support column 15 is disposed so as to overlap the vertical projection plane of the rail bracket 14.
- the rail bracket 14 is provided so that it can be used also as the tread board 9 while fixing the guide rail 4a to the wall of the hoistway 1.
- the rail bracket 14 is integrally formed, and is independently fixed to the wall of the hoistway 1 without depending on the rigidity of the pit access device 8.
- the layout on the vertical projection plane of the pit access device 8 can be made compact by arranging the tread board 9 or the support column 15 in the vertical projection plane of the rail bracket 14. Not only in the renovation work, layout design to avoid interference with hoistway equipment becomes easier and the versatility of the design can be improved.
- FIG. 11 to 12 illustrate a pit exit / entry device according to Embodiment 4 of the present invention.
- FIG. 11 is a front view showing a main part
- FIG. 12 is a plan view showing a vertical projection plane of FIG.
- the elevator pit entrance / exit device according to Embodiment 4 of the present invention is different in that one side of the tread plate 16 is disposed on the landing 2 side with respect to the back surface of the guide rail 4a on the vertical projection plane, and is the same as other similar parts. Symbols are added and description is omitted.
- a pit exit / entry device 8 used to enter / exit into the pit 7 of the hoistway 1 from the landing 2 is provided on the back surface of the guide rail 4a, and has a plurality of treads 15 installed at intervals in the vertical direction. is doing.
- the tread board 16 is fixed to the back surface of the guide rail 4a so as to intersect the vertical direction of the guide rail 4a on the horizontal projection surface in the hoistway 1.
- the step board 16 is extended to the landing 2 side and the counter landing 2 side as seen from the intersecting guide rails 4a.
- the length from the end of the guide rail 4a where the tread 16 and the guide rail 4a intersect to the end of the tread 16 extending toward the anti-guide rail 4a is equal to or greater than the foot width. .
- the front end of the tread 16 extending toward the landing 2 is bent at a predetermined position, and is disposed closer to the landing 2 than the back of the guide rail 4a on the vertical projection plane.
- pillar 10 is provided in the figure, when the tread 16 is fixed to the back surface of the guide rail 4a and the rigidity of the pit entrance / exit device 8 is ensured, the support
- the front end of the tread 16 extending to the landing 2 side is arranged on the landing 2 side of the back surface of the guide rail 4a on the vertical projection plane.
- the tip of the tread plate 16 can be brought close to the landing 2, so that the operator can use the pit entry / exit device 8 safely.
- the present invention relates to an elevator pit entry / exit device for an operator to enter / exit a hoistway pit.
Abstract
Description
図1~2は、この発明の実施の形態1によるピット出入り装置を説明するもので、図1はピット出入り装置がガイドレールの背面に配置されたピット出入り装置を示す正面図、図2は図1の垂直投影面を示す平面図である。なお、エレベータの昇降路機器としてロープ、巻上機、調速機、制御盤等は図示を省略している。 Embodiment 1 FIG.
1 and 2 illustrate a pit exit / entry device according to Embodiment 1 of the present invention. FIG. 1 is a front view showing a pit entrance / exit device in which the pit entrance / exit device is disposed on the back of the guide rail. FIG. It is a top view which shows the 1 vertical projection surface. Note that ropes, hoisting machines, speed governors, control panels, and the like are omitted from the elevator hoistway equipment.
As described above, according to the first embodiment, in the pit entrance /
図3~5は、この発明の実施の形態2によるピット出入り装置を説明するもので、図3は要部を示す正面図、図4は図3の垂直投影面を示す平面図(断面A-A)であり、図5は図3の垂直投影面を示す平面図(断面B-B)である。図6~8は、この発明の実施の形態2による要部を構成する他のパターンを示す正面図である。この発明の実施の形態2によるエレベータのピット出入り装置は、複数の踏板9を上下方向に互いに間隔をおいて支持する支柱10を備えたこと、またはガイドレール4aを昇降路1壁に固定するためのレールブラケット10をピット出入り装置8の一部に配置したことが異なり、それ以外の同様な部分に同じ記号を付記し説明を省略する。
3 to 5 illustrate a pit exit / entry device according to
図9~10は、この発明の実施の形態3によるピット出入り装置を説明するもので、図9は要部を示す正面図、図10は図9の垂直投影面を示す平面図である。この発明の実施の形態3によるエレベータのピット出入り装置は、レールブラケット14の垂直投影面内に踏板9または支柱15を配置したことが異なり、それ以外の同様な部分に同じ記号を付記し説明を省略する。
9 to 10 illustrate a pit exit / entry device according to
図11~12は、この発明の実施の形態4によるピット出入り装置を説明するもので、図11は要部を示す正面図、図12は図11の垂直投影面を示す平面図である。この発明の実施の形態4によるエレベータのピット出入り装置は、踏板16の一側が垂直投影面においてガイドレール4aの背面よりも乗場2側に配置されることが異なり、それ以外の同様な部分に同じ記号を付記し説明を省略する。 Embodiment 4 FIG.
11 to 12 illustrate a pit exit / entry device according to Embodiment 4 of the present invention. FIG. 11 is a front view showing a main part, and FIG. 12 is a plan view showing a vertical projection plane of FIG. The elevator pit entrance / exit device according to Embodiment 4 of the present invention is different in that one side of the
Claims (6)
- 昇降路内に設置され、乗場から前記昇降路のピット内に出入りするために用いるピット出入り装置において、上下方向に互いに間隔をおいて架設されている複数の踏み板を有しており、前記昇降路内の垂直投影面において前記乗場と昇降体を案内するガイドレールとは互いに所定の範囲内に設けられ、前記昇降路内の水平投影面において前記各踏板は前記ガイドレールの垂直方向に交差する様に前記ガイドレールの背面またはその付近に固定され、前記踏板と前記ガイドレールとが交差している前記ガイドレールの端部から前記反ガイドレール側に延伸される前記踏板の端部までの長さは足幅と同等またはそれ以上に配置されることを特徴としたエレベータのピット出入り装置。
A pit access device installed in a hoistway and used for entering and exiting from the landing to the pit of the hoistway, the pit access device having a plurality of treads installed at intervals in the vertical direction, the hoistway The platform and the guide rail that guides the lifting body are provided within a predetermined range on the vertical projection plane, and the treads intersect the vertical direction of the guide rail on the horizontal projection plane in the hoistway. The length from the end of the guide rail that is fixed to the back surface of the guide rail or in the vicinity thereof and intersects the step board and the guide rail to the end of the step board that extends to the anti-guide rail side Is an elevator pit entry / exit device characterized in that it is arranged at or above the foot width.
- 前記踏板の端部に固定され、前記複数の踏板を上下方向に互いに間隔をおいて支持する支柱を備えたことを特徴とする請求項1に記載のエレベータのピット出入り装置。
The elevator pit entry / exit device according to claim 1, further comprising a support column fixed to an end portion of the tread plate and supporting the plurality of tread plates in the vertical direction at intervals.
- 前記ガイドレールを前記昇降路壁に固定するためのレールブラケットを前記踏板の上下間に配置したことを特徴とする請求項1または請求項2のいずれかに記載のエレベータのピット出入り装置。
3. The elevator pit entrance and exit device according to claim 1, wherein a rail bracket for fixing the guide rail to the hoistway wall is disposed between upper and lower sides of the tread.
- 前記支柱を前記レールブラケットに固定したことを特徴とする請求項2に記載のエレベータのピット出入り装置。
The elevator pit entry / exit device according to claim 2, wherein the column is fixed to the rail bracket.
- 前記レールブラケットの垂直投影面内に前記踏板または前記支柱を配置したことを特徴とする請求項3に記載のエレベータのピット出入り装置。
The elevator pit entrance / exit device according to claim 3, wherein the step board or the support column is disposed in a vertical projection plane of the rail bracket.
- 前記乗場側に延伸される前記踏板の先端は、垂直投影面において前記ガイドレールの背面よりも乗場側に配置されることを特徴とする請求項1~5のいずれかに記載のエレベータのピット出入り装置。 The elevator pit entrance / exit according to any one of claims 1 to 5, wherein a front end of the tread extending to the landing side is disposed on a landing side with respect to a rear surface of the guide rail in a vertical projection plane. apparatus.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112014006592.7T DE112014006592T5 (en) | 2014-04-15 | 2014-04-15 | Pit access device for a lift |
PCT/JP2014/002120 WO2015159319A1 (en) | 2014-04-15 | 2014-04-15 | Pit entry/exit device for elevator |
JP2016513494A JPWO2015159319A1 (en) | 2014-04-15 | 2014-04-15 | Elevator pit access device |
CN201480077974.8A CN106163960A (en) | 2014-04-15 | 2014-04-15 | The pit access apparatus of elevator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2014/002120 WO2015159319A1 (en) | 2014-04-15 | 2014-04-15 | Pit entry/exit device for elevator |
Publications (1)
Publication Number | Publication Date |
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WO2015159319A1 true WO2015159319A1 (en) | 2015-10-22 |
Family
ID=54323574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/002120 WO2015159319A1 (en) | 2014-04-15 | 2014-04-15 | Pit entry/exit device for elevator |
Country Status (4)
Country | Link |
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JP (1) | JPWO2015159319A1 (en) |
CN (1) | CN106163960A (en) |
DE (1) | DE112014006592T5 (en) |
WO (1) | WO2015159319A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017081789A1 (en) * | 2015-11-12 | 2017-05-18 | 三菱電機株式会社 | Elevator device |
JP6336224B1 (en) * | 2017-03-29 | 2018-06-06 | 三菱電機株式会社 | Elevator equipment |
CN112368227A (en) * | 2018-07-09 | 2021-02-12 | 三菱电机株式会社 | Pit ladder device of elevator |
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JPS5592669U (en) * | 1978-12-20 | 1980-06-26 | ||
JPH082854A (en) * | 1994-06-14 | 1996-01-09 | Mitsubishi Electric Corp | Elevator apparatus |
JPH10245170A (en) * | 1997-03-07 | 1998-09-14 | Mitsubishi Electric Corp | Ladder for elevator pit |
JP2014037279A (en) * | 2012-08-10 | 2014-02-27 | Hitachi Building Systems Co Ltd | Method of erecting elevator guide rail |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH08108982A (en) * | 1994-10-11 | 1996-04-30 | Mitsubishi Denki Bill Techno Service Kk | Going up/down steps |
CN202945990U (en) * | 2012-11-22 | 2013-05-22 | 陈遇献 | Single-ladder-armrest ladder |
-
2014
- 2014-04-15 WO PCT/JP2014/002120 patent/WO2015159319A1/en active Application Filing
- 2014-04-15 CN CN201480077974.8A patent/CN106163960A/en active Pending
- 2014-04-15 DE DE112014006592.7T patent/DE112014006592T5/en not_active Withdrawn
- 2014-04-15 JP JP2016513494A patent/JPWO2015159319A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5592669U (en) * | 1978-12-20 | 1980-06-26 | ||
JPH082854A (en) * | 1994-06-14 | 1996-01-09 | Mitsubishi Electric Corp | Elevator apparatus |
JPH10245170A (en) * | 1997-03-07 | 1998-09-14 | Mitsubishi Electric Corp | Ladder for elevator pit |
JP2014037279A (en) * | 2012-08-10 | 2014-02-27 | Hitachi Building Systems Co Ltd | Method of erecting elevator guide rail |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017081789A1 (en) * | 2015-11-12 | 2017-05-18 | 三菱電機株式会社 | Elevator device |
JPWO2017081789A1 (en) * | 2015-11-12 | 2018-03-29 | 三菱電機株式会社 | Elevator equipment |
JP6336224B1 (en) * | 2017-03-29 | 2018-06-06 | 三菱電機株式会社 | Elevator equipment |
WO2018179179A1 (en) * | 2017-03-29 | 2018-10-04 | 三菱電機株式会社 | Elevator apparatus |
CN112368227A (en) * | 2018-07-09 | 2021-02-12 | 三菱电机株式会社 | Pit ladder device of elevator |
CN112368227B (en) * | 2018-07-09 | 2022-06-17 | 三菱电机株式会社 | Pit ladder device of elevator |
Also Published As
Publication number | Publication date |
---|---|
CN106163960A (en) | 2016-11-23 |
DE112014006592T5 (en) | 2017-03-23 |
JPWO2015159319A1 (en) | 2017-04-13 |
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