CN105246811A - Elevator pit scaffolding device - Google Patents
Elevator pit scaffolding device Download PDFInfo
- Publication number
- CN105246811A CN105246811A CN201480029279.4A CN201480029279A CN105246811A CN 105246811 A CN105246811 A CN 105246811A CN 201480029279 A CN201480029279 A CN 201480029279A CN 105246811 A CN105246811 A CN 105246811A
- Authority
- CN
- China
- Prior art keywords
- pit
- car
- plate
- guide rail
- bearing parts
- 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
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
- B66B5/0056—Safety of maintenance personnel by preventing crushing
-
- 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
-
- 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
- B66B5/28—Buffer-stops for cars, cages, or skips
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
This elevator pit scaffolding device comprises: a plurality of plate supports including a wall-side support member provided, in an elevator shaft pit, on a wall in the elevator shaft more toward a landing side than an elevator car guide rail in the elevator shaft pit; and a pit plate that is supported by the plate supports in the elevator shaft pit and is located below the floor of the bottom-most landing and above the pit floor, said pit plate having a work surface on which maintenance staff can stand.
Description
Technical field
The present invention relates to a kind of pit scaffold device of elevator, this pit scaffold device is to carry out maintenance inspection than the equipment class of position by the top, melt pit bottom surface to being configured in and being arranged in pit.
Background technology
In the pit in-out apparatus of elevator in the past, in order to the degree of depth with pit independently uses the pit gangway ladder of fixed size, the wall in pit is provided with supporting station.Service personnel, when maintenance inspection, makes the bottom of pit gangway ladder be supported on supporting station from stop, drops to pit bottom surface carry out maintenance inspection via supporting station.When elevator normal operation, pit gangway ladder hangs over (such as with reference to patent documentation 1) on the holding element on the wall of the stop side be located between stop floor and supporting station with folding state.
In addition, in the pit of other elevator in the past in attending device, with the degree of depth of pit independently, being arranged at the operation post energy disperser in pit being provided with fixed size.Pit gangway ladder, when maintenance inspection, after dropping to pit bottom surface, stands on operation post by service personnel, and climbs up operation post and carry out maintenance inspection.When elevator normal operation, pit gangway ladder is poured on one jiao of pit bottom surface, or keeping is in other place (such as with reference to patent documentation 2).
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2006-82935 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2004-35146 publication
Summary of the invention
Invent problem to be solved
But about the pit in-out apparatus of the elevator in the past shown in patent documentation 1, service personnel must carry out the maintenance of equipment class from the bottom surface of pit.When being arranged on that the equipment class in pit is arranged on the position more top than pit bottom surface, the hand of service personnel touches less than equipment class, must use from for dropping to the different operation gangway ladder of pit gangway ladder in pit.When the degree of depth of pit deepens, operation gangway ladder must correspond to the degree of depth of pit and increased in size.When the size of operation gangway ladder increases, collecting place also increases.
In addition, about attending device in the pit of the elevator in the past shown in patent documentation 2, exist when the degree of depth of pit deepens, the size of the operation gangway ladder used when service personnel climbs up operation post increases such problem.In addition, the problem that the size that also there is the pit gangway ladder used when service personnel drops to pit bottom surface also together increases.Thus, the collecting place of pit gangway ladder and operation gangway ladder also increases.
Thus, in the pit in-out apparatus of the elevator in the past shown in patent documentation 1 and 2 and the pit of elevator, the convenience of attending device is deteriorated.
The present invention completes to solve problem as described above, its object is to obtain a kind ofly same pit gangway ladder and operation gangway ladder independently to be used to carry out the pit scaffold device of the elevator of maintenance inspection with the degree of depth of pit.
For solving the means of problem
The pit scaffold device of elevator of the present invention possesses: multiple plate support, they comprise be located at than the car guide rail in well pit by stop side hoistway wall on wall side bearing parts; And pit plate, it is supported by described plate support in well pit, and be positioned at than orlop stop ground on the lower and than position by the top, pit bottom surface, there is the scope of operation of taking for service personnel.
The effect of invention
According to the pit scaffold device of elevator of the present invention, because pit plate supports, therefore, it is possible to independently use same pit gangway ladder and operation gangway ladder to carry out maintenance inspection with the degree of depth of pit than the multiple plate supports of the car guide rail in well pit by the wall side bearing parts on the wall of the hoistway of stop side by comprising being located at.
Accompanying drawing explanation
Fig. 1 is the birds-eye view of the well pit of the elevator that embodiments of the present invention 1 are shown.
Fig. 2 is the cutaway view of II-II line along Fig. 1.
Fig. 3 is the cutaway view of III-III line along Fig. 1.
Lateral plan when Fig. 4 is the energy disperser of car slamming down Fig. 2.
Detailed description of the invention
Embodiment 1
Fig. 1 is the birds-eye view of the well pit of the elevator that embodiments of the present invention 1 are shown.In addition, Fig. 2 is the cutaway view of II-II line along Fig. 1.And Fig. 3 is the cutaway view of III-III line along Fig. 1.
As shown in FIG. 1 to 3, in hoistway 1, be provided with a pair car guide rail 2a, 2b and a pair counter weight guide track 3a, 3b.Car 4 is elevated in hoistway 1 along car guide rail 2a, 2b.In addition, counterweight 5 is elevated to the direction contrary with car 4 in hoistway 1 along counter weight guide track 3a, 3b.In this example embodiment, observing from stop 6 on the depth direction (above-below direction of Fig. 1) in hoistway 1, counterweight 5 is located at than the position of car 4 away from stop 6.
Car guide rail 2a, 2b are configured near the central authorities of depth direction (above-below direction of Fig. 1) of hoistway 1, and the Width (left and right directions of Fig. 1) of gangway at stop 6 is configured in the both sides of car 4.In addition, counter weight guide track 3a, 3b are configured in than the position of car 4 away from stop 6 on the depth direction of hoistway 1, and on the Width of the gangway of stop 6, be configured in the both sides of counterweight 5.
In addition, the undermost height and position in hoistway 1 is provided with towing machine 7 and control panel 8.As shown in Figure 2, soak and the position by the top, ground 9 that is positioned at than orlop stop 6a to prevent in the position of the lower surface of towing machine 7 and control panel 8.In this example embodiment, when towing machine 7 and control panel 8 are to stop at orlop stop 6a when car 4, the mode opposed with a side of car 4 is fixed on the wall of hoistway 1.In addition, towing machine 7 and control panel 8 use slim structure.
Towing machine 7 has tractor main body 10 and drives rope sheave 11.Tractor main body 10 has: the motor (not shown) that driving rope sheave 11 is rotated; And to the drg (not shown) driving the rotation of rope sheave 11 to brake.
Driving the suspention body 12 rope sheave 11 being wound with suspension craning cab 4 and counterweight 5.As suspention body 12, use many ropes or many bands etc.Car 4 and counterweight 5 are suspended body 12 and are suspended in hoistway 1, and are elevated in hoistway 1 by towing machine 7.
Car buffer 23 and counterweight buffer 24 is provided with in well pit 21.In addition, pit bottom surface 21a is fixed with the bottom of car guide rail 2a, 2b and the bottom of counter weight guide track 3a, 3b.
In addition, in well pit 21, be provided with the pit scaffold device 22 for checking the equipment class such as towing machine 7 and control panel 8.Pit scaffold device 22 has: pit plate 25; Pit gangway ladder 26, it uses when service personnel declines from orlop stop 6a to pit plate 25; And operation gangway ladder 27, it uses during operation on pit plate 25 at service personnel.
Pit plate 25 has: operation plate portion 25b, and it comprises the scope of operation 25a taken for service personnel; And sheet frame 25c, it surrounds around operation plate portion 25b.Pit plate 25 is configured to scope of operation 25a level in well pit 21 of operation plate portion 25b.Sheet frame 25c erects upward from the scope of operation 25a of operation plate portion 25b.Pit plate 25 is located between the ground 9 of pit bottom surface 21a and orlop stop 6a.In addition, pit plate 25 is configured to, and no matter the degree of depth of well pit 21 is how many, and the scope of operation 25a of operation plate portion 25b is in the position of the fixed range L that have left setting from the ground 9 of orlop stop 6a downwards.
In addition, pit plate 25 supports by with lower part: multiple (being 2 in this example embodiment) wall side bearing parts 30, and they are located at the wall of the hoistway 1 of the scope of stopping to car guide rail 2a, 2b from stop 6; Multiple (being 2 in this example embodiment) car guide rail side bearing parts 31, they are located at car guide rail 2a, 2b respectively; And multiple (being 2 in this example embodiment) counter weight guide track side bearing parts 32, they are located at counter weight guide track 3a, 3b respectively.That is, the pit support of embodiment 1 has wall side bearing parts 30, car guide rail side bearing parts 31 and counter weight guide track side bearing parts 32.
Wall side bearing parts 30 are located at the stop side wall surface 21b of well pit 21.In addition, wall side bearing parts 30 are mutually arranged across distance on the Width of the gangway of stop 6.In this example embodiment, wall side bearing parts 30 state lower support pit plate 25 that pit plate 25 is contacted with stop side wall surface 21b.In addition, in this example embodiment, as wall side bearing parts 30, the angle steel of Usage profile roughly L-shaped.
On the height that the ground 9 that car guide rail side bearing parts 31 and counter weight guide track side bearing parts 32 are separately positioned on distance orlop stop 6a in the short transverse of hoistway 1 is identical with when arranging wall side bearing parts 30.In this example embodiment, as car guide rail side bearing parts 31 and counter weight guide track side bearing parts 32, employ the angle steel of section roughly L-shaped in the same manner as wall side bearing parts 30.
Car guide rail side bearing parts 31 are fixed on the opposition side of the side engaged with car 4 of each car guide rail 2a, 2b.Thus, when vertically projecting downwards from the top of hoistway 1, car guide rail side bearing parts 31 are outstanding to the side contrary with car 4 from car guide rail 2a, 2b.
Counter weight guide track side bearing parts 32, in the same manner as car guide rail side bearing parts 31, are also fixed on the opposition side of the side engaged with counterweight 5 of each counter weight guide track 3a, 3b.Thus, when vertically projecting downwards from the top of hoistway 1, counter weight guide track side bearing parts 32 are also outstanding to the side contrary with counterweight 5 from counter weight guide track 3a, 3b.In addition, counter weight guide track side bearing parts 32 are than facing to car 4 extend opposed with car 4 of counterweight 5.Further, on the depth direction of hoistway 1, car 4 side end of counter weight guide track side bearing parts 32 arrives immediately below car 4.In addition, counter weight guide track side bearing parts 32 are located at the position opposed with wall side bearing parts 30.
The size of the scope of operation 25a of operation plate portion 25b is configured to following size: when the top from hoistway 1 vertically projects car 4 downwards, scope of operation 25a comprises the drop shadow spread of car 4 at least partially, and ensure that the scope of examination of the equipment class such as towing machine 7 and control panel 8.
In this example embodiment, the shape of scope of operation 25a is following shape: from taking the width dimensions W2 of the pit plate 25 Width of the gangway of stop 6 as a limit, taking the depth dimension D 2 of the pit plate 25 on the depth direction of hoistway 1 as the drop shadow spread eliminating towing machine 7 gained that vertically to project from the top of hoistway 1 in the rectangular shape on another limit downwards.
In addition, in this example embodiment, on the Width of the gangway of stop 6, the width dimensions W2 of pit plate 25 is longer than the width dimensions W1 of the car 4 of stop 6 side.In addition, on the depth direction of hoistway 1, the depth dimension D 2 of pit plate 25 is longer than the depth dimension D 1 of car 4.Further, when the top from hoistway 1 vertically projects car 4 and pit plate 25 downwards, the end of stop 6 side of pit plate 25 is positioned at the position of close stop 6 side than the end of stop 6 side of car 4.Thus, the size of pit plate 25 becomes such size: when the top from hoistway 1 vertically projects car 4 and pit plate 25 downwards, pit plate 25 comprises a greater part of of the drop shadow spread of car 4.
As shown in figures 1 and 3, the scope of operation 25a of operation plate portion 25b is provided with multiple (being 2 in this example embodiment) through hole 40, and this through hole 40 is through to pit bottom surface 21a for making the guide rail of car guide rail 2a, 2b.In this example embodiment, the shape of through hole 40 is the rectangular openings that car guide rail 2a, 2b guide rail separately can be made to pass.
As pit gangway ladder 26, use general ladder.In this example embodiment, pit gangway ladder 26 is fixed on and is provided with towing machine 7 with on the wall of the identical hoistway 1 of control panel 8 grade.The bottom of pit gangway ladder 26 contacts with pit plate 25.In addition, the top of pit gangway ladder 26 is positioned at the position by the top, ground 9 than orlop stop 6a.
As operation gangway ladder 27, use the folding ladder (step stool) used when the hand of service personnel reaches the equipment such as towing machine 7 and control panel 8.The structure that operation gangway ladder 27 uses ladder not open on straight line.Operation gangway ladder 27 is not fixed, and can be transported to the place of service personnel operation.
Car buffer 23 is configured in immediately below car 4.Car buffer 23 absorbs impact when car 4 falls in well pit 21.The height of the distance pit bottom surface 21a of car buffer 23 is adjusted by pillar part 28.Pillar part 28 has lower posts portion 28a and upper strut portion 28b.
Lower posts portion 28a is fixed on pit bottom surface 21a immediately below car 4.In addition, the upper end of lower posts portion 28a contacts with pit plate 25.The length of lower posts portion 28a corresponds to the height that stops to pit plate 25 from the 21a of pit bottom surface and sets.Upper strut portion 28b is located at the top of lower posts portion 28a by pit plate 25.Lower posts portion 28a and upper strut portion 28b face are opposite one another provided with and respective fixedly use plate.In this example embodiment, the respective fixing plate of lower posts portion 28a and upper strut portion 28b, under the state clamping pit plate 25 from above-below direction, is fixed by bolts and nuts.
Car buffer 23 is provided with in the upper end of upper strut portion 28b.Upper strut portion 28b adjusts the height from pit plate 25 to car buffer 23.Upper strut portion 28b and car buffer 23 are provided with and fixedly use plate on face opposite one another.In this example embodiment, upper strut portion 28b and car buffer 23 are fixed by screw bolt and nut by fixing plate.
Thus, pit plate 25 is also supported on lower posts portion 28a.Therefore, pit plate 25 amounts to 7 supportings by wall side bearing parts 30, car guide rail side bearing parts 31, counter weight guide track side bearing parts 32 and lower posts portion 28a etc.
Counterweight buffer 24 is configured in immediately below counterweight 5.In addition, counterweight buffer 24 is fixed on pit bottom surface 21a.
Lateral plan when Fig. 4 is the energy disperser of car slamming down Fig. 2.As shown in Figure 4, pit plate 25 is set as following such distance by the fixed range L of setting the ground 9 from orlop stop 6a: when car 4 slamming down is configured in the car buffer 23 in well pit 21, and the scope of operation 25a being loaded into car apparatus class (the being skirtboard in this embodiment) 4a and operation plate portion 25b of the bottom of car 4 can not interfere.
Then, step during maintenance inspection is described.First, service personnel uses pit gangway ladder 26 to drop to pit plate 25 from orlop stop 6a.Next, use operation gangway ladder 27, check and be arranged on than equipment classes such as ground 9 towing machine 7 by the top of orlop stop 6a and control panels 8.When the service personnel finishing Inspection from well pit 21 out time, operation gangway ladder 27 can fold and be upside down on pit plate 25, also can be taken out from well pit 21 by service personnel and be contained in other site of storage, not hinder the normal operation of elevator.
In such pit scaffold device 22, pit plate 25 is independently located at the degree of depth of well pit 21 and have left downwards the stop side wall surface 21b of the fixed range L of setting from the ground 9 of orlop stop 6a, therefore, it is possible to keep fixing from the distance of the equipment classes such as pit plate 25 to towing machine 7 and control panel 8.Thus, even if when the degree of depth of well pit 21 deepens, pit gangway ladder 26 and operation gangway ladder 27 also can use same ladder.
In addition, pit plate 25 is set as following such distance by the fixed range L of setting the ground 9 from orlop stop 6a: when car 4 slamming down is configured in the car buffer 23 in well pit 21, the scope of operation 25a of the car apparatus class 4a and operation plate portion 25b that are loaded into the bottom of car 4 can not interfere, therefore, when the degree of depth of well pit 21 is minimum, pit gangway ladder 26 and operation gangway ladder 27 also can use same ladder.
Further, because pit gangway ladder 26 and operation gangway ladder 27 can use same ladder, collecting place also can keep fixed size.Thus, can prevent the size of accommodating place from increasing.
In addition, pit plate 25 is supported on the wall side bearing parts 30 wall of the hoistway 1 of the scope be located at from stop 6 to car guide rail 2a, 2b, and therefore, scope of operation 25a is present in the position close to stop side wall surface 21b side.Thus, service personnel easily can drop to pit plate 25 from orlop stop 6a.
Further, the size due to the scope of operation 25a of operation plate portion 25b is set to the size of the scope of examination that ensure that the equipment class such as towing machine 7 and control panel 8, and therefore service personnel can carry out all inspections on pit plate 25.
In addition, owing to being also provided with pit plate 25 on the car guide rail side bearing parts 31 being located at car guide rail 2a, 2b place respectively, therefore, compared with when only utilizing the wall side bearing parts 30 be located on stop side wall surface 21b to support, the intensity of supporting pit plate 25 can be improved.
Further, owing to being also provided with pit plate 25 on the counter weight guide track side bearing parts 32 being located at counter weight guide track 3a, 3b place respectively, therefore when the pit plate 25 that the area of the scope of operation 25a using operation plate portion 25b is larger, the intensity of supporting pit plate 25 can be improved.Further, because counter weight guide track side bearing parts 32 are located at the position opposed with wall side bearing parts 30, therefore, it is possible to support the both ends of pit plate 25 on the depth direction of hoistway 1.Thereby, it is possible to realize the raising of the stability of supporting pit plate 25.
In addition, because the lower posts portion 28a be fixed on the 21a of pit bottom surface is fixed by pit plate 25 with the upper strut portion 28b be placed on pit plate 25, therefore, when the pit plate 25 that the area of the scope of operation 25a using operation plate portion 25b is larger, the central portion of pit plate 25 can be supported.Thereby, it is possible to obtain the intensity supporting pit plate 25, and realize the raising of the stability of pit plate 25 simultaneously.
When car guide rail 2a, 2b are fixed on pit plate 25, the weight of car guide rail 2a, 2b and car 4 etc. is applied on pit plate 25, and therefore, pit plate 25, except required intensity, also may increase manufacturing cost.But owing to being provided with the through hole 40 for making the guide rail of car guide rail 2a, 2b be through to pit bottom surface 21a on pit plate 25, therefore car guide rail 2a, 2b can be fixed on pit bottom surface 21a through through hole 40.Therefore, as long as intensity when pit plate 25 has a upkeep operation, therefore, it is possible to suppress the increase of manufacturing cost.
In addition, in the above example, in order to support pit plate 25, being provided with wall side bearing parts 30, car guide rail side bearing parts 31, counter weight guide track side bearing parts 32 and lower posts portion 28a etc. and amounting to 7 places, but can arrange all, can a part be omitted.That is, the position of plate support and quantity can consider intensity and the safety of pit plate 25, select according to design.
In addition, in above-mentioned example, wall side bearing parts 30, car guide rail side bearing parts 31 and counter weight guide track side bearing parts 32 are the angle steel of section roughly L-shaped, but are not defined in this.Such as, can the substantially rectangular thing block (block) of Usage profile.
And in above-mentioned example, pit gangway ladder 26 is fixed on the wall of hoistway 1, but can not fix pit gangway ladder 26, but stands in the wall of hoistway 1.
In addition, in above-mentioned example, be provided with 2 wall side bearing parts 30, but wall side bearing parts 30 also can arrange more than 1 or 3.
And in above-mentioned example, wall side bearing parts 30 are located at stop side wall surface 21b, but also can be located on the wall opposed with the left and right side of car 4 of hoistway 1 than car guide rail 2a, 2b by stop 6 side.
In addition, the port for drawdown than pit plate 25 part on the lower for dropping to well pit 21 can be set on pit plate 25.
Claims (7)
1. a pit scaffold device for elevator, it possesses:
Multiple plate support, they comprise be located at than the car guide rail in well pit by stop side hoistway wall on wall side bearing parts; And
Pit plate, it is supported by described plate support in described well pit, and be positioned at than orlop stop ground on the lower and than position by the top, pit bottom surface, there is the scope of operation of taking for service personnel.
2. the pit scaffold device of elevator according to claim 1, wherein,
Described plate support has the car guide rail side bearing parts be located on described car guide rail.
3. according to the pit scaffold device of elevator according to claim 1 or claim 2, wherein,
Described plate support has the counter weight guide track side bearing parts be located on counter weight guide track.
4. the pit scaffold device of the elevator according to any one in claim 1 to claim 3, wherein,
The pillar part being provided with car buffer on top has: lower posts portion, and it is located at described pit bottom surface; And upper strut portion, it is located at the top in described lower posts portion,
Described pit plate is clamped by described lower posts portion and described upper strut portion.
5. the pit scaffold device of elevator according to claim 2, wherein,
Described pit plate is provided with the through hole passed for described car guide rail,
The described car guide rail that have passed through described through hole is fixed on described pit bottom surface.
6. the pit scaffold device of the elevator according to any one in claim 1 to claim 5, wherein,
The described scope of operation is positioned at the position of the ground following distance on the lower than described orlop stop, described car buffer in described well pit, the distance that the car apparatus class being loaded into the bottom of described car also can not interfere with the described scope of operation is located at even if this distance is car slamming down.
7. the pit scaffold device of the elevator according to any one in claim 1 to claim 6, wherein,
The size of the described scope of operation is set to following size: when the top from described hoistway vertically projects described car and described pit plate downwards, the described scope of operation comprises the drop shadow spread of described car at least partially, and ensure that the scope of examination of the equipment class be located in described hoistway.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-107776 | 2013-05-22 | ||
| JP2013107776 | 2013-05-22 | ||
| PCT/JP2014/063458 WO2014189074A1 (en) | 2013-05-22 | 2014-05-21 | Elevator pit scaffolding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105246811A true CN105246811A (en) | 2016-01-13 |
Family
ID=51933626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480029279.4A Withdrawn CN105246811A (en) | 2013-05-22 | 2014-05-21 | Elevator pit scaffolding device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPWO2014189074A1 (en) |
| CN (1) | CN105246811A (en) |
| WO (1) | WO2014189074A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335909A (en) * | 2018-11-16 | 2019-02-15 | 立达博仕电梯（苏州）有限公司 | A kind of safe elevator shaft pit frame |
| CN109562911A (en) * | 2016-08-18 | 2019-04-02 | 三菱电机株式会社 | Retrofit of Elevator method and cage guide |
| CN112010128A (en) * | 2019-05-31 | 2020-12-01 | 三菱电机大楼技术服务株式会社 | Elevator device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6887221B2 (en) * | 2016-06-06 | 2021-06-16 | 三菱電機ビルテクノサービス株式会社 | Elevator scaffolding |
| DE112017008127T5 (en) * | 2017-09-29 | 2020-07-09 | Mitsubishi Electric Corporation | Elevator shaft ladder device and elevator floor door device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002020051A (en) * | 2000-07-03 | 2002-01-23 | Hitachi Building Systems Co Ltd | Working floor device in pit for elevator |
| JP2005132569A (en) * | 2003-10-30 | 2005-05-26 | Hitachi Building Systems Co Ltd | Working platform device in pit of elevator |
| CN101066733A (en) * | 2006-12-13 | 2007-11-07 | 上海永大电梯设备有限公司 | Foldable overhaul platform |
| CN200995922Y (en) * | 2006-12-26 | 2007-12-26 | 蒋燕青 | Lower-rear machine room elevator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52150167U (en) * | 1976-05-11 | 1977-11-14 | ||
| JPH05155554A (en) * | 1991-12-03 | 1993-06-22 | Mitsubishi Electric Corp | Buffer of elevator |
-
2014
- 2014-05-21 JP JP2015518274A patent/JPWO2014189074A1/en active Pending
- 2014-05-21 CN CN201480029279.4A patent/CN105246811A/en not_active Withdrawn
- 2014-05-21 WO PCT/JP2014/063458 patent/WO2014189074A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002020051A (en) * | 2000-07-03 | 2002-01-23 | Hitachi Building Systems Co Ltd | Working floor device in pit for elevator |
| JP2005132569A (en) * | 2003-10-30 | 2005-05-26 | Hitachi Building Systems Co Ltd | Working platform device in pit of elevator |
| CN101066733A (en) * | 2006-12-13 | 2007-11-07 | 上海永大电梯设备有限公司 | Foldable overhaul platform |
| CN200995922Y (en) * | 2006-12-26 | 2007-12-26 | 蒋燕青 | Lower-rear machine room elevator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109562911A (en) * | 2016-08-18 | 2019-04-02 | 三菱电机株式会社 | Retrofit of Elevator method and cage guide |
| CN109562911B (en) * | 2016-08-18 | 2021-09-14 | 三菱电机株式会社 | Elevator transformation method and elevator guide rail |
| CN109335909A (en) * | 2018-11-16 | 2019-02-15 | 立达博仕电梯（苏州）有限公司 | A kind of safe elevator shaft pit frame |
| CN112010128A (en) * | 2019-05-31 | 2020-12-01 | 三菱电机大楼技术服务株式会社 | Elevator device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014189074A1 (en) | 2014-11-27 |
| JPWO2014189074A1 (en) | 2017-02-23 |
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Application publication date: 20160113 |