CN102060221A - Double-deck elevator facility - Google Patents
Double-deck elevator facility Download PDFInfo
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- CN102060221A CN102060221A CN2010105447954A CN201010544795A CN102060221A CN 102060221 A CN102060221 A CN 102060221A CN 2010105447954 A CN2010105447954 A CN 2010105447954A CN 201010544795 A CN201010544795 A CN 201010544795A CN 102060221 A CN102060221 A CN 102060221A
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- car
- rope
- check
- out console
- double
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention provides a double-deck elevator car facility, which can effectively detect anomalies in ropes for driving an upper car and a lower car without any specially-equipped device. The double-deck elevator car facility comprises a plurality of sockets (16) for accommodating and fixing the end parts of ropes (153) for driving the upper car and the lower car, a plurality of rod members (18) connected with the sockets (16), a hanger plate (19) where the rod members can traverse, a plurality of nuts (20a,20b) screwed with the rod members (18) and a plurality of springs (21) equipped between the nuts and the hanger plate. The upper part of the nuts is provided with a check-out console (23) capable of moving vertically and a switch (24) for checking the displacement of the check-out console. When an anomaly occurs on the ropes, the springs are stretched and push the check-out console upwards through the nuts. The switch is then operated for noticing the anomaly of the ropes.
Description
Technical field
The present invention relates to a kind of double-deck elevator equipment of two lift cars up and down that in elevator car frame, has.
Background technology
In elevator car frame, have the top that the double-deck elevator of two lift cars up and down is formed at upper car driver element is set, the rope of reeling on being arranged on by the pulley below the car of pulley below the car of hoist cable and this driver element bonded assembly upper car and lower car drives upper car and lower car by driver element.
Drive the unusual detecting device of using rope as existing detection upper car of in having the double-deck elevator of said structure, using and lower car, at patent documentation 1 a kind of scheme is disclosed for example, it is provided with the measuring roll with the rope butt below lift car, this measuring roll has occurred unusual lax or be subjected to displacement when being cut off at rope, make emergency braking apparatus action (for example with reference to patent documentation 1) thus.In addition, for example disclose a kind of scheme at patent documentation 2, its sleeve by cut rope drops and makes the check-out console action, also can detect this cut rope (for example with reference to patent documentation 2) when having only a rope to be cut off in many ropes.Again, for example disclose a kind of scheme at patent documentation 3, it is provided with detector switch respectively on each root rope, has taken place when unusual at rope, detects deflection (for example with reference to patent documentation 3) because of the unusual spring that produces of rope by these detector switches.
Patent documentation 1: TOHKEMY 2007-331871 communique (the 0021st～0023 section, Fig. 4)
Patent documentation 2: the real clear 55-32381 communique (Fig. 2) of opening of Japan
Patent documentation 3: the real clear 59-173671 communique (Fig. 2) of opening of Japan
; in above-mentioned patent documentation 1 disclosed scheme; for example unusual occasion has taken place in a rope in many ropes; when being cut off such as the rope of stipulating; because the position of measuring roll has obtained the still support of other ropes of in tension, may not detect the unusual problem of rope so exist.Thus, also exist elevator operation to take place to proceed under the unusual state at rope, thereby can cause the serious state of affairs to take place, and can make emergency braking apparatus action and make elevator be absorbed in the state that can't move when unusual detecting, making resumes operation needs the problem of a large amount of time.
In addition, in above-mentioned patent documentation 2 disclosed schemes, also can detect rope when having only a rope to be cut off in principle in many ropes cuts off unusual, but the off-position at rope is more farther than abnormality detection position on distance, and be positioned at the deadweight of rope of opposition side when heavier across winch, cable end may occur and not fall down, cut off unusual problem thereby detect less than rope.
Again, in above-mentioned patent documentation 3 disclosed schemes, owing to need detector switch be set, therefore exist number of components and parts to increase, the circuit structure complicated problems that becomes in the end of each root rope.
Summary of the invention
The present invention in view of in the above-mentioned prior art in esse problem make, the object of the present invention is to provide a kind of double-deck elevator car equipment, this double-deck elevator car equipment does not need to be provided with special device just can detect upper car and lower car driving the unusual of rope effectively.
To achieve these goals, the invention provides a kind of double-deck elevator equipment, it has: upper car and lower car, and described upper car and lower car can move along above-below direction in elevator car frame in the opposite direction; Driver element, described driver element are used to drive described upper car and described lower car; Pulley, described pulley are separately positioned on described upper car and the described lower car; Many ropes, described many ropes are wound on the rope sheave and described pulley of described driver element; A plurality of sleeves (socket), the end of these ropes is taken in and fixed to described a plurality of sleeves; Many bar members, described many bar members are connected with these sleeves; Boatswain chair, these bar members pass described boatswain chair; A plurality of nuts, described a plurality of nuts and described bar member screw togather; And a plurality of springs, described a plurality of spring is arranged between these nuts and the boatswain chair, double-deck elevator equipment is characterised in that, be provided with check-out console that can be provided with and the switch that detects the displacement of described check-out console on the top of described nut in the mode that above-below direction moves, taken place when unusual at described rope, the elongation of described spring pushes described check-out console by described nut towards the top, make described switch motion and detect the unusual of described rope.
According to the present invention with said structure, in rope former thereby fracture or taken place when lax because of certain, the spring that is arranged on this cable end extends because of becoming no load condition, perhaps alleviates and extends because of acting on load on the spring.Along with this spring elongation, check-out console is pushed towards the top by nut, is detected the displacement of this check-out console simultaneously by switch, detects the unusual of rope thus.Therefore, check-out console that can be by being arranged on nut top and the switch that detects this check-out console displacement detect the unusual of many ropes simultaneously, and are having only a rope to take place also can detect effectively when unusual.
In addition, double-deck elevator equipment of the present invention is characterised in that described check-out console is supported by sliding unit.
According to the present invention with said structure, the spring elongation is taking place because of rope to make unusually, and the check-out console that will be supported by sliding unit by nut is when the top pushes, the check-out console that should be supported by sliding unit can successfully carry out displacement, can detect the unusual of rope thus effectively.
Again, double-deck elevator equipment of the present invention is characterised in that described check-out console is supported in rotating mode by the axle that is arranged on this check-out console one end.
According to the present invention with said structure, the spring elongation is taking place because of rope to make unusually, and the check-out console that will be supported in rotating mode by axle by nut is when the top pushes, should displacement can be successfully carried out with the check-out console that rotating mode is supported by axle, and the unusual of rope can be detected thus effectively.
The invention effect
According to the present invention, even have only a rope to take place unusually in many ropes, can detect effectively also that this is unusual, can guarantee passenger's safety thus.Especially because that being used in the double-deck elevator drives the length of rope of upper car and lower car is short, so the force of inertia of rope is little, therefore can shorten take place from rope unusual to detecting this unusual time, can be promptly to taking measures unusually.
Description of drawings
Fig. 1 is an integral structure scheme drawing of having used double-deck elevator of the present invention.
Fig. 2 is a structural representation of having used the main portion of double-deck elevator of the present invention.
Fig. 3 is the front view of first embodiment of expression double-deck elevator equipment involved in the present invention.
Thereby Fig. 4 is expression has taken place to make unusually the spring elongation with the front view of check-out console towards the state of top pushing because of rope.
Fig. 5 is the diagram of circuit of the treatment step of expression double-deck elevator equipment involved in the present invention.
Fig. 6 is the front view of second embodiment of expression double-deck elevator equipment involved in the present invention.
Fig. 7 is the front view of the 3rd embodiment of expression double-deck elevator equipment involved in the present invention.
Nomenclature:
1 hoist trunk
2 elevator car frame
3 main hoist cables
4 counterbalanceds weight
5 Machine Rooms
6 actuating devices
7 deflection sheavies
8 control setups
9 cables
10 guiding elements
11 guide rails
12 upper car
13 lower car
14 guide rails
15 driver elements
16 sleeves
17 pins
18 bar members
19 boatswain chairs
20a, 20b nut
21 springs
22a, 22b spring perch
23 check-out consoles
23a keeps out of the way the hole
24 switches
25a, 25b pillar
26a, 26b hang down Frictional Slipping material (sliding unit)
26c, 26d roller (sliding unit)
28
151 electrical motors
152 pulleys
153 (the ropes of 153a～153e)
The specific embodiment
Followingly the embodiment that represents double-deck elevator equipment involved in the present invention is described with reference to accompanying drawing.
As shown in Figure 1, double-deck elevator equipment has: the elevator car frame 2 of lifting in hoist trunk 1; One end and elevator car frame 2 bonded assembly master hoist cables 3; Be connected with the other end of main hoist cable 3 and the counterbalanced weight 4 of lifting in hoist trunk 1; Actuating device 6, it is arranged in the Machine Room 5 on hoist trunk 1 top, is used to drive main hoist cable 3, and the centre portion of main hoist cable is wound on the actuating device 6; Deflection sheave 7, its be arranged on actuating device 6 in the Machine Room 5 near, and be wound with main hoist cable 3; And control setup 8, it is arranged in the Machine Room 5, is used to control the operation of double-deck elevator equipment.In addition, control setup 8 is connected with actuating device 6 by cable 9.
As shown in Figure 2, elevator car frame 2 is made of upper frame 2a, central frame 2b, lower frame 2c and longitudinal framing 2d, and the guiding elements 10 in four bights by being arranged on elevator car frame 2 is by guide rail 11 guiding that are erected to be arranged in the hoist trunk 1.In addition, be provided with guide rail 14 that the upper car 12 that can be in elevator car frame 2 moves in the opposite direction along above-below direction and lower car 13, guiding upper car 12 and lower car 13 move and the driver element 15 that drives upper car 12 and lower car 13 in the elevator car frame 2.
In double-deck elevator equipment, as shown in Figure 3, rope 153 for example is made of 5 rope 153a, 153b, 153c, 153d, 153e, has in the end of these ropes 153a～153e: accommodate and a plurality of sleeves 16 of the end of stationary rope 153, by pin 17 and many bar members of these sleeves 16 bonded assemblys 18, can allow boatswain chair 19 that these bar members 18 pass, and a plurality of nut 20a, the 20b that screw togather of bar member 18, spring perch 22a, the 22b that is arranged on a plurality of springs 21 between nut 20b and the boatswain chair 19 and is arranged on the upper and lower of spring 21.Boatswain chair 19 be separately positioned on upper frame 2a that an end of rope 153 is fixed and central frame 2b that the other end of rope 153 is fixed on.In rope shown in Figure 3 153, the length of 5 rope 153a, 153b, 153c, 153d, 153e is equally long, and the height and position of each bar member 18 also is configured to identical.
As shown in Figure 3, in the double-deck elevator equipment of present embodiment, be provided with the switch 24 of check-out console 23 that can move up at upper and lower and the displacement that detects this check-out console 23 on the top of nut 20a.Check-out console 23 is supported by the pillar 25a, the 25b that are erected to be arranged on the boatswain chair 19 by sliding unit (for example low Frictional Slipping material 26a, 26b).In addition, be formed with on the check-out console 23 can allow respectively the top of each bar member 18 passes keep out of the way hole 23a.
As shown in Figure 1, in having the double-deck elevator equipment of said structure, when elevator car frame 2 up during floor, since the floor at elevator lobby place be spaced apart H1, so the interval between upper car 12 and the lower car 13 is adjusted to size H1 according to this interval, when elevator car frame 2 below during floor, because the interval of the floor at elevator lobby place has become H2, so the interval between upper car 12 and the lower car 13 is adjusted to size H2 according to this interval.When carrying out the adjusting at the interval between above-mentioned upper car 12 and the lower car 13, drive rope 153 by electrical motor 151, so that upper car 12 and lower car 13 are moved up and down by pulley 152.In addition, the interval of the floor at this elevator lobby place is different because of the difference of building condition.
Below the cut occasion in any position of for example rope 153d is described.When load is 0kg, the length of spring 21 is drift (L), when as shown in Figure 3 spring 21 being mounted to the state that load is applied to it, spring 21 occurs and the corresponding deflection of load (X), its height dimension and this deflection correspondingly change, and make that the height dimension of spring 21 becomes (L-X).And when rope 153d was cut off, the load that acts on the spring 21 disappeared, and as shown in Figure 4, the height dimension of spring is changed to (L) from (L-X).When spring 21 elongations, nut 20a will be pushed towards the direction shown in the arrow 27 by the check-out console 23 that low Frictional Slipping material 26a, 26b support, and check-out console 23 is contacted with detector switch 24, and detector switch 24 is the output abnormality detection signal thus.As shown in Figure 5, control setup 8 is judged as the rope 153 that drives upper car 12 and lower car 13 according to this anomaly detection signal and has occurred unusually in step S70, elevator car frame 2 is moved to stop behind the nearest floor and open elevator door, in step S72, leave lift car as early as possible simultaneously with the passenger in voice mode or display mode notice upper car 12 and the lower car 13.At this moment, shown in step S73, judge that by not shown lift car internal burden detector load in the lift car is whether below specified value Wo, that is to say, judge and whether also have the passenger in the lift car, when loading on specified value Wo when above in the lift car, continue to notify with voice mode or display mode.On the other hand, when loading on specified value Wo when following in the lift car, in step S74, close elevator door, and make elevator out of service.Afterwards, in step S75 with the abnormity notifying outside, to carry out repair.
According to present embodiment, by check-out console 23 that is arranged on nut 20a top and the switch 24 that detects these check-out console 23 displacements, can detect the unusual of many rope 153a～153e simultaneously, and have only a rope to take place also can detect effectively when unusual that this is unusual.Thus, can guarantee passenger's safety.Especially, because being used in the double-deck elevator drives the length weak point of the rope 153 of upper car 12 and lower car 13, so the deadweight of rope 153 is little, the force of inertia of the rope of being held by spring 21 is little, therefore can shorten take place from rope unusual to detecting this unusual time, can be promptly to taking countermeasure unusually.In addition, because check-out console 23 is supported by sliding unit promptly low Frictional Slipping material 26a, 26b, so spring 21 elongations are taking place because of rope 153 to make unusually, thereby when check-out console 23 being pushed towards the top by nut 20a, check-out console 23 displacements can be successfully made, the unusual of rope can be detected thus effectively.
Especially, in the present embodiment, as shown in Figure 2, because the two ends at the rope 153 that drives upper car 12 and lower car 13 are provided with switch 24, so when rope is cut off near the end of a side, end at opposite side, the deadweight of rope 153 is compared with the end of an above-mentioned side and is become big, so comparing with the end of an above-mentioned side, the force of inertia of the rope of being held by spring 21 becomes big, corresponding the diminishing of deadweight at the rope 153 of the end of a described side, the force of inertia of the rope of being held by spring 21 also diminishes, and takes place unusually to detecting this unusual time so can further shorten from rope, can be rapidly and effectively to taking measures unusually.
And, in above-mentioned first embodiment, rope 153 is illustrated in the cut occasion of any part, and former thereby lax occasion has taken place also is the same at rope 153 because of certain, by making spring 21 elongations, can detect that this is unusual with identical step.
Again, be to judge whether also have the passenger in the lift car in the present embodiment according to the load in the lift car, but for example also can be arranged to judge with other sensor such as infradred sensor whether the passenger is arranged in the lift car in addition, perhaps also can be arranged to testing result according to multiple sensor whether also having the passenger to carry out comprehensive judgement.
The elevator that has been over down of the passenger in upper car for example, but the passenger in the lower car has not also descended the occasion of elevator, the elevator that has been over down of the passenger in the lift car in two lift cars just, and the passenger in another lift car has not also descended the occasion of elevator, by being arranged to make the lift car that descended the passenger earlier along with the passenger promptly enters step S74 after having descended, prevent that thus the passenger from taking advantage of once more into lift car, so can further improve safety.
In addition, present embodiment is provided in judges whether also have the passenger in the lift car among the step S73, after in being judged as lift car, not had the passenger, in step S74, close elevator door, make elevator out of service, in step S75 with the abnormity notifying outside, but also can be arranged in the rope 153 that is judged as driving upper car 12 and lower car 13 among the step S70 has taken place under the unusual situation, behind the implementation step S75 of elder generation, and then the later step of implementation step S71, and also can be arranged to implementation step S75 and step S71 simultaneously, and then the later step of implementation step S71.By adopting this mode, taken place can grasp unusual situation as soon as possible when unusual at the rope 153 that drives upper car 12 and lower car 13, therefore can promptly resume operation.
Followingly second embodiment of double-deck elevator equipment involved in the present invention is described with reference to Fig. 6.The part identical with the part that has been illustrated adopts identical symbolic representation.
As shown in Figure 6, in the related double-deck elevator equipment of second embodiment, check-out console 23 obtains being erected to be arranged on pillar 25a on the boatswain chair 19, the support of 25b by sliding unit (for example roller 26c, 26d).In addition, the different length of length of five rope 153a, 153b, 153c, 153d, 153e, and the height and position of each bar member 18 is also different.Even under the different situation of the height and position of above-mentioned bar member 18, also can be by boatswain chair 19 be become roughly the same to the height setting of nut 20b, and make that the rope tension of rope 153a～153e is roughly even.Because action is identical with the content of above explanation with effect, therefore omit its explanation at this.
Shown in second embodiment, the present invention can also be applicable to the different length of the length of five rope 153a～153e, and the also different occasion of the height and position of each bar member 18.In addition, because check-out console 23 is that roller 26c, 26d are supported by sliding unit, taken place because of rope 153 unusually to make spring 21 elongations and by nut 20a with check-out console 23 towards above when pushing, can successfully make check-out console 23 carry out displacement, can detect the unusual of rope thus effectively.
Followingly the 3rd embodiment of double-deck elevator equipment involved in the present invention is described with reference to Fig. 7.The part identical with the part that has been illustrated adopts identical symbolic representation.
As shown in Figure 7, in the related double-deck elevator equipment of the 3rd embodiment, an end of check-out console 23 is rotatably supported by the axle 28 that is arranged between check-out console 23 and the pillar 25d.
According to the 3rd embodiment, when for example any part of rope 153d was cut off, the load that acts on the spring 21 disappeared, spring 21 elongations.Along with spring 21 elongation, check-out console 23 is boosted towards the top by nut 20a, and check-out console 23 be that the center is rotated and moves and contact with detector switch 24 with axle 28, makes detector switch 24 output abnormality detection signals.Action afterwards is identical with the content of above explanation with effect, therefore omits its explanation at this.
In the 3rd embodiment, because check-out console 23 rotatably is supported by axle 28, take place because of rope 153 to make unusually spring 21 elongations and by nut 20a with check-out console 23 towards above when pushing, can successfully make check-out console 23 carry out displacement, can detect the unusual of rope thus effectively.
In addition, when rotatably supporting check-out console 23, because each bar member 18 is different with distance between spools 28, so because of the rotation amount difference of the check-out console 23 that unusual rope causes has taken place by axle 28, but, then can address this problem by making the stroke optimization of switch 24.
Claims (3)
1. double-deck elevator equipment has: upper car and lower car, and described upper car and lower car can move along above-below direction in elevator car frame in the opposite direction; Driver element, described driver element are used to drive described upper car and described lower car; Pulley, described pulley are separately positioned on described upper car and the described lower car; Many ropes, described many ropes are wound on the rope sheave and described pulley of described driver element; A plurality of sleeves, the end of these ropes is taken in and fixed to described a plurality of sleeves; Many bar members, described many bar members are connected with these sleeves; Boatswain chair, these bar members pass described boatswain chair; A plurality of nuts, described a plurality of nuts and described bar member screw togather; And a plurality of springs, described a plurality of springs are arranged between these nuts and the boatswain chair, and described double-deck elevator equipment is characterised in that,
Be provided with check-out console that can be provided with and the switch that detects the displacement of described check-out console on the top of described nut in the mode that above-below direction moves, taken place when unusual at described rope, described spring elongation, by described nut described check-out console is pushed towards the top, make described switch motion and detect the unusual of described rope.
2. double-deck elevator equipment as claimed in claim 1 is characterized in that described check-out console is supported by sliding unit.
3. double-deck elevator equipment as claimed in claim 1 is characterized in that, described check-out console is supported in rotating mode by the axle that is arranged on this check-out console one end.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009262857A JP5481170B2 (en) | 2009-11-18 | 2009-11-18 | Double deck elevator device |
| JP2009-262857 | 2009-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102060221A true CN102060221A (en) | 2011-05-18 |
Family
ID=43995757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105447954A Pending CN102060221A (en) | 2009-11-18 | 2010-11-11 | Double-deck elevator facility |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5481170B2 (en) |
| CN (1) | CN102060221A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910517A (en) * | 2011-08-04 | 2013-02-06 | 株式会社日立制作所 | Double deck elevator and control method thereof |
| CN102923544A (en) * | 2012-11-15 | 2013-02-13 | 日立电梯（中国）有限公司 | Device and method for detecting broken strands of hoisting steel wire rope |
| CN103935869A (en) * | 2013-01-18 | 2014-07-23 | 株式会社日立制作所 | Double-layer elevator |
| CN104093657A (en) * | 2012-02-08 | 2014-10-08 | 株式会社日立制作所 | Double-deck elevator |
| CN105035912A (en) * | 2015-09-08 | 2015-11-11 | 布劳恩电梯有限公司 | Rope head seat for non-machine-room lift car |
| CN108025891A (en) * | 2015-08-27 | 2018-05-11 | 三菱电机株式会社 | Lift appliance |
| CN108792892A (en) * | 2017-04-26 | 2018-11-13 | 株式会社日立制作所 | The maintaining method of double-deck elevator and double-deck elevator |
| CN112357732A (en) * | 2020-11-09 | 2021-02-12 | 山东奔速电梯股份有限公司 | Anti-torsion wear-resisting device for household elevator steel wire rope |
| CN112986253A (en) * | 2019-12-13 | 2021-06-18 | 现代电梯株式会社 | Drive rope defect detecting device for elevator |
| CN113844983A (en) * | 2020-06-26 | 2021-12-28 | 三菱电机大楼技术服务株式会社 | Inspection apparatus and inspection method |
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| CN102351120A (en) * | 2011-09-29 | 2012-02-15 | 苏州富士电梯有限公司 | Elevator lift car load weighing device |
| WO2014027398A1 (en) * | 2012-08-14 | 2014-02-20 | 三菱電機株式会社 | Double-deck elevator |
| CN103420245A (en) * | 2013-07-10 | 2013-12-04 | 嘉兴市华东建设机械有限公司 | Rope breaking protection device of construction lifter |
| KR102229866B1 (en) * | 2019-06-28 | 2021-03-18 | 이연근 | Fixing apparatus of elevator |
| CN114148853B (en) * | 2021-12-07 | 2022-08-09 | 深圳市优旭科技有限公司 | Anti-falling elevator structure with talkback function and method |
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| JPS5930065U (en) * | 1982-08-20 | 1984-02-24 | 株式会社日立製作所 | Excessive tension/relaxation detection device for hoisting ropes of winding trunk elevators |
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| JPS5532381U (en) * | 1978-08-25 | 1980-03-01 | ||
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Cited By (15)
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|---|---|---|---|---|
| CN102910517B (en) * | 2011-08-04 | 2015-06-17 | 株式会社日立制作所 | Double deck elevator and control method thereof |
| CN102910517A (en) * | 2011-08-04 | 2013-02-06 | 株式会社日立制作所 | Double deck elevator and control method thereof |
| CN104093657B (en) * | 2012-02-08 | 2016-01-13 | 株式会社日立制作所 | Double-deck elevator |
| CN104093657A (en) * | 2012-02-08 | 2014-10-08 | 株式会社日立制作所 | Double-deck elevator |
| CN102923544A (en) * | 2012-11-15 | 2013-02-13 | 日立电梯（中国）有限公司 | Device and method for detecting broken strands of hoisting steel wire rope |
| CN103935869A (en) * | 2013-01-18 | 2014-07-23 | 株式会社日立制作所 | Double-layer elevator |
| CN103935869B (en) * | 2013-01-18 | 2016-06-29 | 株式会社日立制作所 | Double-deck elevator |
| CN108025891A (en) * | 2015-08-27 | 2018-05-11 | 三菱电机株式会社 | Lift appliance |
| CN108025891B (en) * | 2015-08-27 | 2019-08-23 | 三菱电机株式会社 | Lift appliance |
| CN105035912A (en) * | 2015-09-08 | 2015-11-11 | 布劳恩电梯有限公司 | Rope head seat for non-machine-room lift car |
| CN108792892A (en) * | 2017-04-26 | 2018-11-13 | 株式会社日立制作所 | The maintaining method of double-deck elevator and double-deck elevator |
| CN112986253A (en) * | 2019-12-13 | 2021-06-18 | 现代电梯株式会社 | Drive rope defect detecting device for elevator |
| CN113844983A (en) * | 2020-06-26 | 2021-12-28 | 三菱电机大楼技术服务株式会社 | Inspection apparatus and inspection method |
| CN113844983B (en) * | 2020-06-26 | 2024-02-06 | 三菱电机楼宇解决方案株式会社 | Inspection device and inspection method |
| CN112357732A (en) * | 2020-11-09 | 2021-02-12 | 山东奔速电梯股份有限公司 | Anti-torsion wear-resisting device for household elevator steel wire rope |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011105459A (en) | 2011-06-02 |
| JP5481170B2 (en) | 2014-04-23 |
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