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WO2015025396A1 - Dispositif d'ascenseur - Google Patents

Dispositif d'ascenseur Download PDF

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Publication number
WO2015025396A1
WO2015025396A1 PCT/JP2013/072380 JP2013072380W WO2015025396A1 WO 2015025396 A1 WO2015025396 A1 WO 2015025396A1 JP 2013072380 W JP2013072380 W JP 2013072380W WO 2015025396 A1 WO2015025396 A1 WO 2015025396A1
Authority
WO
WIPO (PCT)
Prior art keywords
car
vertical projection
wheel
projection surface
frontage
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.)
Ceased
Application number
PCT/JP2013/072380
Other languages
English (en)
Japanese (ja)
Inventor
啓太 島林
丸山　直之
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to PCT/JP2013/072380 priority Critical patent/WO2015025396A1/fr
Publication of WO2015025396A1 publication Critical patent/WO2015025396A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave

Definitions

  • the present invention relates to an elevator apparatus, and more particularly to an elevator apparatus in which a counterweight is arranged on the rear side in the depth direction of a car.
  • the weight drop system that places the counterweight on the rear side in the depth direction of the car can reduce the size of the frontage of the hoistway, compared with the weight drop system that places the counterweight on the side in the car mouth direction. Further, from the viewpoint of flooding countermeasures, the top arrangement of the hoistway of the hoisting machine is more effective than the pit part arrangement of the hoisting machine. However, in the case of the weight drop method, the distance between the counterweight and the car suspension becomes longer, so that the roping configuration and the arrangement of the hoisting machine and the return wheel become complicated.
  • the hoisting machine is arranged above the counterweight, the weight-side return wheel is arranged between the hoisting machine and the counterweight, and the car-side return car is arranged on the side of the car in the front direction.
  • a conventional weight drop-off type elevator apparatus for example, see Patent Document 1.
  • the hoisting machine is arranged above the car
  • the sheave of the hoisting machine is arranged above the guide rail for the hoisting machine-side weight
  • the car-side return wheel is arranged on the side of the car in the front direction.
  • an elevator apparatus of a weight drop-off method has been proposed (see, for example, Patent Document 2).
  • the present invention has been made to solve such a problem, and obtains an elevator apparatus that can secure a traveling space in the vertical direction of the counterweight, reduce the overhead dimension, and reduce the pit depth. For the purpose.
  • the elevator apparatus includes a pair of car suspension vehicles in which a counterweight is disposed on the rear side in the depth direction of the car and is spaced apart in the frontage direction and disposed on the upper or lower part of the car. Front end of the weight suspension vehicle disposed on the upper part of the weight, and the front end direction between the vertical projection surface of the counterweight and the vertical projection surface of the counterweight when viewed from above in the vertical direction.
  • the lower return wheel Located on the other side area, or the area between the vertical projection surface of the car and the vertical projection surface of the weight guide rail located on the other side of the frontage direction, and the other end side of the frontage direction extends from the area to the frontage
  • the lower return wheel arranged with its axis aligned with the depth direction so as to protrude to the other side of the direction, and the sheave in the depth direction from the vertical projection surface of the car as viewed from above in the vertical direction.
  • the hoist placed above the counterweight at the top of the hoistway so as to be located between the lower return wheel and the hoisting machine disposed at a height higher than the lower return wheel, and viewed from above in the vertical direction,
  • the hoistway with its axis aligned with the frontage direction so that it is located on the other side in the frontage direction of the vertical projection plane of the car and between the car suspension car on the other side of the frontage direction and the lower return wheel
  • An upper return wheel disposed at a height higher than the lower return wheel at the top.
  • the main rope descends with one end connected to one side in the front direction of the hoistway top, is hung over the pair of car suspension vehicles, rises from the other side in the front direction of the car, and Wrapped over the car, descended, hung over the lower return car, raised, wound around the sheave, descended, hung over the weight suspension car, raised, the other end at the top of the hoistway It is connected to.
  • the elevator apparatus is a weight drop-off system in which a counterweight is disposed on the rear side in the depth direction of the car, and the hoisting machine is disposed above the counterweight.
  • the dimensions can be reduced.
  • the hoisting machine is disposed above the counterweight and only the hoisting wheel is disposed between the hoisting machine and the counterweight, without increasing the overhead dimension or increasing the pit depth, A traveling space in the vertical direction of the counterweight can be secured.
  • the equipment for suspending the car and the counterweight is located outside the vertical projection surface of the car, it is not necessary to increase the overhead dimension or increase the pit depth.
  • FIG. 1 is a configuration diagram illustrating an elevator apparatus according to Embodiment 1 of the present invention. It is the schematic diagram which looked at the elevator apparatus which concerns on Embodiment 1 of this invention from upper direction. It is a principal part side view which shows the hoistway pit part of the elevator apparatus which concerns on Embodiment 1 of this invention. It is a block diagram which shows the elevator apparatus which concerns on Embodiment 2 of this invention. It is the schematic diagram which looked at the elevator apparatus which concerns on Embodiment 2 of this invention from upper direction. It is a principal part side view which shows the hoistway top part of the elevator apparatus which concerns on Embodiment 2 of this invention. It is a block diagram which shows the elevator apparatus which concerns on Embodiment 3 of this invention.
  • FIG. 1 is a block diagram showing an elevator apparatus according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic view of the elevator apparatus according to Embodiment 1 of the present invention as viewed from above
  • FIG. 3 is an embodiment of the present invention. It is a principal part side view which shows the hoistway pit part of the elevator apparatus which concerns on 1.
  • FIG. 1 is a block diagram showing an elevator apparatus according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic view of the elevator apparatus according to Embodiment 1 of the present invention as viewed from above
  • FIG. 3 is an embodiment of the present invention. It is a principal part side view which shows the hoistway pit part of the elevator apparatus which concerns on 1.
  • FIG. 1 is a block diagram showing an elevator apparatus according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic view of the elevator apparatus according to Embodiment 1 of the present invention as viewed from above
  • FIG. 3 is an embodiment of the present invention. It is a
  • the elevator apparatus is disposed on the rear side in the depth direction of the car 3 disposed in the hoistway 1 with the doorway facing the landing 2 and the car 3 in the hoistway 1.
  • the counterweight 4 and the winding machine 5 are provided.
  • the width direction of the entrance / exit of the landing 2 is defined as the frontage direction
  • the horizontal direction orthogonal to the frontage direction is defined as the depth direction.
  • a pair of car guide rails 7a and 7b are supported by rail brackets (not shown) fixed at regular intervals in the vertical direction on both side walls in the frontage direction of the hoistway 1 and spaced apart in the frontage direction. Are arranged so as to extend in the vertical direction.
  • the car 3 is guided by the pair of car guide rails 7a and 7b and is movable in the vertical direction.
  • a pair of weight guide rails 9a and 9b is supported by rail brackets (not shown) fixed at regular intervals in the vertical direction on both side walls in the frontage direction of the hoistway 1, respectively.
  • the rails 7a and 7b are disposed so as to be spaced apart in the frontage direction and extend in the vertical direction.
  • the counterweight 4 is guided by the pair of weight guide rails 9a and 9b and can move in the vertical direction.
  • the hoisting machine 5 is attached to a hoisting machine support beam 11 that is installed between upper ends of the pair of weight guide rails 9a and 9b and extends in the frontage direction.
  • the hoisting machine 5 makes the shaft 6a of the sheave 6 coincide with the depth direction so that the sheave 6 is balanced with the vertical projection surface of the car 3 when viewed from above in the vertical direction. It is arrange
  • the vertical projection plane of the car 3 is a space occupied by the car 3 when the car 3 is viewed from above in the vertical direction.
  • the vertical projection plane of the counterweight 4 is a space occupied by the counterweight 4 when the counterweight 4 is viewed from above in the vertical direction.
  • the pair of car suspension vehicles 12a and 12b are respectively adjusted so as to suspend the substantially center of gravity of the car 3 when viewed from above in the vertical direction, and a pair of car guide rails 7a and 12b are provided below the car 3. 7b is spaced apart in the opposite direction, that is, the frontage direction.
  • the car shock absorber stand 13 is fixed to the floor surface of the hoistway pit portion 1b and arranged to extend in the frontage direction.
  • the lower ends of the pair of car guide rails 7 a and 7 b are fixed to both ends of the car shock absorber base 13.
  • the car shock absorber 14 is fixed to the central portion in the length direction of the car shock absorber base 13.
  • the weight shock absorber table 15 is fixed to the floor surface of the hoistway pit portion 1b and is disposed on the rear side in the depth direction of the car shock absorber table 13 so as to extend in the frontage direction.
  • the lower end portions of the pair of weight guide rails 9 a and 9 b are fixed to both end portions of the weight buffer base 15.
  • the weight buffer 16 is fixed to the center of the weight buffer base 15 in the length direction.
  • the lower return wheel 17 is attached to a lower return wheel support beam (not shown) fixed to the floor surface of the hoistway pit portion 1b via a suspension plate 18a so as to be rotatable around a shaft 17a that coincides with the depth direction. It has been.
  • the lower curling wheel 17 is positioned in a region on the other side in the frontage direction between one end portion in the frontage direction and the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4.
  • the other end side in the frontage direction protrudes from the region to the other side in the frontage direction.
  • An upper side anti-car support beam 19 is provided on the hoistway top 1a so as to extend between the upper end side of the car guide rail 7b on the other side in the frontage direction and the hoisting machine support beam 11 and extend in the depth direction.
  • the upper warping wheel 20 has the shaft 20a aligned with the frontage direction, and is located on the other side in the frontage direction of the vertical projection surface of the car 3 between the car suspension car 12b and the lower warping car 17, Attached to the vehicle support beam 19 and disposed on the hoistway top 1a.
  • the front end portion in the depth direction of the upper return wheel 20 is close to the end portion of the car suspension vehicle 12b that protrudes to the other side in the front opening direction of the vertical projection surface of the car 3. Yes.
  • the weight suspension wheel 21 is disposed on the upper portion of the counterweight 4 with its axis inclined with respect to the depth direction so as to suspend the substantially center of gravity position of the counterweight 4 when viewed from above in the vertical direction. At this time, when viewed from vertically above, the end portion on the other side in the frontage direction of the weight suspension wheel 21 is close to the end portion on one side in the frontage direction of the sheave 6.
  • the hoisting rope 22 as a main rope is constructed between the upper end side of the car guide rail 7a on one side of the frontage direction and the hoisting machine support beam 11 so that one end of the hoisting rope 22 extends in the depth direction. It is connected with a basket cage stop 24.
  • the hoisting rope 22 lowered from the car rope stopping portion 24 is spanned from one side in the front direction of the car 3 to the pair of car suspension vehicles 12a and 12b, and is pulled down from the other side in the front direction of the car 3.
  • the hoisting rope 22 pulled up from the other side in the front direction of the car 3 is hung from the front side in the depth direction to the upper return wheel 20 and lowered from the rear side in the depth direction of the upper return wheel 20.
  • the hoisting rope 22 lowered from the rear side in the depth direction of the upper return wheel 20 is hung from the other side in the frontage direction to the lower return wheel 17 and pulled up from one side in the frontage direction of the lower return wheel 17.
  • the hoisting rope 22 pulled up from one side in the front direction of the lower return wheel 17 is wound around the sheave 6 a plurality of times from the other side in the front direction and then lowered from one side in the front direction of the sheave 6.
  • the hoisting rope 22 lowered from one side of the frontage direction of the sheave 6 is hung from the other side of the frontage direction to the weight suspension vehicle 21 and pulled up from one side of the frontage direction of the weight suspension vehicle 21.
  • the end is connected to the hoisting machine support beam 11 by a weight rope stop 25.
  • the elevator apparatus is a weight drop-off system in which the counterweight 4 is disposed on the rear side in the depth direction of the car 3, and the hoisting machine 5 is disposed above the counterweight 4. Therefore, the frontage dimension of the hoistway 1 can be reduced.
  • the hoisting machine 5 is disposed above the counterweight 4, and only the weight hoisting wheel 21 is disposed between the hoisting machine 5 and the counterweight 4. Therefore, the vertical traveling space of the counterweight 4 can be secured without increasing the overhead dimension or increasing the pit depth.
  • the hoisting machine 5 Since the hoisting machine 5, the lower return wheel 17 and the upper return wheel 20 which are devices for suspending the car and the counterweight are located outside the vertical projection surface of the car 3, the overhead size is increased or the pit depth is increased. There is no need to go deep.
  • the lower return wheel 17 has an axial direction coincident with the depth direction, and when viewed from above in the vertical direction, one end portion in the frontage direction is between the vertical projection surface of the car 3 and the vertical projection surface of the weight 4. It is located in the area
  • the front end portion in the depth direction of the upper return wheel 20 is close to the end portion of the car suspension vehicle 12b that protrudes to the other side in the front-end direction of the vertical projection surface of the car 3 when viewed from vertically above. . Therefore, since the angle with respect to the vertical direction of the hoisting rope 22 traveling between the upper return wheel 20 and the car suspension wheel 12b is reduced, the thrust load acting on the bearings of the upper return wheel 20 and the car suspension wheel 12b is reduced. The wear of the hoisting rope 22 is reduced.
  • the other end of the weight suspension wheel 21 in the frontage direction is close to one end of the sheave 6 in the frontage direction when viewed from above in the vertical direction. Therefore, since the angle with respect to the vertical direction of the hoisting rope 22 traveling between the weight suspension wheel 21 and the sheave 6 is reduced, the thrust load acting on the bearings of the weight hoisting wheel 21 and the sheave 6 is reduced and the hoisting wheel 22 is hoisted. Wear of the rope 22 is reduced.
  • the sheave 6 of the hoisting machine 5 is located between the vertical projection plane of the car 3 and the vertical projection plane of the counterweight 4 when viewed from above in the vertical direction, the sheave 6 has an overhead dimension. Does not affect the pit dimensions. Therefore, the degree of freedom in designing the diameter of the sheave 6 is increased.
  • the sheave of the hoisting machine is disposed with the shaft aligned in the depth direction, and the weight suspension is disposed with the shaft inclined with respect to the depth direction and horizontal.
  • the sheave of the hoisting machine may be disposed with the shaft inclined with respect to the depth direction and horizontal, and the weight suspension wheel may be disposed with the shaft aligned with the depth direction.
  • the opposing direction of the pair of car suspension cars is parallel to the opposing direction of the pair of car guide rails.
  • the opposing direction of the pair of car suspension cars is determined by As long as it is hung at a substantially center of gravity position, it may be inclined with respect to the opposing direction of the pair of car guide rails.
  • FIG. 4 is a block diagram showing an elevator apparatus according to Embodiment 2 of the present invention
  • FIG. 5 is a schematic view of the elevator apparatus according to Embodiment 2 of the present invention as viewed from above
  • FIG. 6 is an embodiment of the present invention. It is a principal part side view which shows the hoistway top part of the elevator apparatus which concerns on 2.
  • FIG. 4 is a block diagram showing an elevator apparatus according to Embodiment 2 of the present invention
  • FIG. 5 is a schematic view of the elevator apparatus according to Embodiment 2 of the present invention as viewed from above
  • FIG. 6 is an embodiment of the present invention. It is a principal part side view which shows the hoistway top part of the elevator apparatus which concerns on 2.
  • FIG. 4 is a block diagram showing an elevator apparatus according to Embodiment 2 of the present invention
  • FIG. 5 is a schematic view of the elevator apparatus according to Embodiment 2 of the present invention as viewed from above
  • FIG. 6 is an embodiment of the present invention. It is a
  • the upper counter wheels 20A and 20B have the shaft 20a aligned with the frontage direction, and viewed from above in the vertical direction, on the other side in the frontage direction of the vertical projection surface of the car 3, and the car Arranged in the depth direction on the rear side of the suspension vehicle 12b in the depth direction, is attached to the upper support car support beam 19 and disposed on the hoistway top portion 1a.
  • the lower return wheel support beam 26 is fixed to the hoisting machine support beam 11 at one end and suspended, and is disposed on the hoistway top 1a.
  • the lower curving wheel 17 has a shaft 17a in the depth direction, and when viewed from above in the vertical direction, one end in the frontage direction is in the frontage direction between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4. It is located in the other side region, and is rotatably attached to the lower return wheel support beam 26 so that the other end side in the frontage direction protrudes from the region to the other side in the frontage direction.
  • the end on the other side in the front direction of the lower return wheel 17 is adjacent to the rear end in the depth direction of the upper return wheel 20B, and the depth direction of the upper return wheel 20A.
  • the front end of the car is close to the other end of the car suspension wheel 12b in the frontage direction, and the other end of the weight suspension car 21 in the frontage direction is one end of the sheave 6 in the frontage direction. Close to the department.
  • the lower return wheel 17 is disposed at a lower position than the sheave 6 and the upper return wheels 20A, 20B of the hoistway top 1a. Other configurations are the same as those in the first embodiment.
  • the hoisting rope 22 is installed between the upper end side of the car guide rail 7a on one side in the frontage direction and the hoisting machine support beam 11 and is connected to the car leash support beam 23 extending in the depth direction.
  • the parts 24 are connected.
  • the hoisting rope 22 lowered from the car rope stopping portion 24 is spanned from one side in the front direction of the car 3 to the pair of car suspension vehicles 12a and 12b, and is pulled down from the other side in the front direction of the car 3.
  • the hoisting rope 22 pulled up from the other side of the front direction of the car 3 is hung from the front side in the depth direction to the upper return wheels 20A and 20B, and is lowered from the rear side in the depth direction of the upper return wheel 20B.
  • the hoisting rope 22 lowered from the rear side in the depth direction of the upper return wheel 20B is hung from the other side in the frontage direction to the lower return wheel 17 and pulled up from one side in the frontage direction of the lower return wheel 17.
  • the hoisting rope 22 pulled up from one side in the front direction of the lower return wheel 17 is wound around the sheave 6 a plurality of times from the other side in the front direction and then lowered from one side in the front direction of the sheave 6.
  • the hoisting rope 22 lowered from one side of the frontage direction of the sheave 6 is hung from the other side of the frontage direction to the weight suspension vehicle 21 and pulled up from one side of the frontage direction of the weight suspension vehicle 21.
  • the end is connected to the hoisting machine support beam 11 by a weight rope stop 25.
  • the counterweight 4 is arranged on the rear side of the car 3 in the depth direction. Only the weight suspension wheel 21 is disposed between the hoist 5 and the counterweight 4.
  • the upper return wheels 20A and 20B are disposed on the other side in the frontage direction of the vertical projection plane of the car 3 when viewed from above in the vertical direction.
  • One end of the lower return wheel 17 in the front direction is disposed between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4 when viewed from above in the vertical direction. Therefore, the second embodiment also has the same effect as the first embodiment.
  • the empty space in the hoistway pit 1b is widened, and the car shock absorber 14 and the weight are increased. Installation of the shock absorber 16 is facilitated.
  • the upper return wheel is configured by arranging the upper return wheels 20A and 20B in a line in the depth direction. The enlargement of the return wheels 20A and 20B can be suppressed.
  • the other end of the lower return wheel 17 in the front direction is close to the rear end of the upper return wheel 20B in the depth direction when viewed from above in the vertical direction. Therefore, the angle with respect to the vertical direction of the hoisting rope 22 that travels between the lower return wheel 17 and the upper return wheel 20B is reduced, so that the thrust load acting on the bearings of the lower return wheel 17 and the upper return wheel 20B is reduced. The wear of the hoisting rope 22 is reduced.
  • the front end portion in the depth direction of the upper return wheel 20A is close to the other end portion in the front end direction of the car suspension vehicle 12b when viewed from vertically above. Therefore, since the angle with respect to the vertical direction of the hoisting rope 22 that travels between the upper return wheel 20A and the car suspension wheel 12b is reduced, the thrust load acting on the bearings of the upper return wheel 20A and the car suspension wheel 12b is reduced. The wear of the hoisting rope 22 is reduced.
  • the other end of the weight suspension wheel 21 in the frontage direction is close to one end of the sheave 6 in the frontage direction when viewed from above in the vertical direction. Therefore, since the angle with respect to the vertical direction of the hoisting rope 22 traveling between the weight suspension wheel 21 and the sheave 6 is reduced, the thrust load acting on the bearings of the weight hoisting wheel 21 and the sheave 6 is reduced and the hoisting wheel 22 is hoisted. Wear of the rope 22 is reduced.
  • FIG. 7 is a block diagram showing an elevator apparatus according to Embodiment 3 of the present invention
  • FIG. 8 is a schematic view of the elevator apparatus according to Embodiment 3 of the present invention as viewed from above
  • FIG. 9 is an embodiment of the present invention
  • FIG. 10 is a side view of an essential part showing a hoistway top part of an elevator apparatus according to Embodiment 3 of the present invention.
  • the upper counterwheel 20 ⁇ / b> A has the shaft 20 a aligned with the frontage direction, and the car suspension vehicle on the other side in the frontage direction of the vertical projection surface of the car 3 when viewed from above in the vertical direction. At the rear side of 12b in the depth direction, it is attached to the upper support car support beam 19 and disposed on the hoistway top 1a.
  • the lower return wheel 17 is rotatably attached to the lower return wheel support beam 18 fixed to the floor surface of the hoistway pit portion 1b via the suspension plate 18a with the shaft 17a aligned with the frontage direction. It is disposed in the road pit portion 1b.
  • the lower curling wheel 17 is disposed on the other side in the front direction of the vertical projection plane of the car 3 and on the rear side in the depth direction of the upper return wheel 20A when viewed from above in the vertical direction.
  • Solase wheel 27 is rotatably attached to lower return wheel support beam 26 with shaft 27a in the depth direction, and is disposed on hoistway top 1a.
  • the wheel 37 is located in a region on the other side in the front direction between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4 at one end in the front direction.
  • the other end side in the frontage direction is disposed so as to protrude from the region to the other side in the frontage direction.
  • the rear end portion in the depth direction of the lower return wheel 17 is close to the other end portion in the front direction of the sorase wheel 27, and the depth direction of the upper return wheel 20A.
  • the end on the front side is close to the end on the other side in the frontage direction of the car suspension wheel 12b, and the end on the other side in the frontage direction on the weight suspension wheel 21 is the end on the one side in the frontage direction on the sheave 6 Is close to.
  • the wheel 37 is disposed at a lower position than the sheave 6.
  • Other configurations are the same as those in the first embodiment.
  • the hoisting rope 22 as a main rope is constructed between the upper end side of the car guide rail 7a on one side of the frontage direction and the hoisting machine support beam 11 so that one end of the hoisting rope 22 extends in the depth direction. It is connected with a basket cage stop 24.
  • the hoisting rope 22 lowered from the car rope stopping portion 24 is spanned from one side in the front direction of the car 3 to the pair of car suspension vehicles 12a and 12b, and is pulled down from the other side in the front direction of the car 3.
  • the hoisting rope 22 pulled up from the other side in the front direction of the car 3 is hung from the front side in the depth direction to the upper return wheel 20A and lowered from the rear side in the depth direction of the upper return wheel 20A.
  • the hoisting rope 22 lowered from the rear side in the depth direction of the upper return wheel 20A is hung from the front side in the depth direction to the lower return wheel 17 and pulled up from the rear side in the depth direction of the lower return wheel 17.
  • the hoisting rope 22 pulled up from the rear side in the depth direction of the lower return wheel 17 is hung from the other side in the frontage direction to the sorase wheel 27, and its trajectory is changed and raised.
  • the hoisting rope 22 whose trajectory has been changed is wound around the sheave 6 a plurality of times and then lowered from one side of the sheave 6 in the frontage direction.
  • the hoisting rope 22 lowered from one side of the frontage direction of the sheave 6 is hung from the other side of the frontage direction to the weight suspension vehicle 21 and pulled up from one side of the frontage direction of the weight suspension vehicle 21.
  • the end is connected to the hoisting machine support beam 11 by a weight rope stop 25.
  • the counterweight 4 is arranged on the rear side of the car 3 in the depth direction. Only the weight suspension wheel 21 is disposed between the hoist 5 and the counterweight 4. The upper return wheel 20A and the lower return wheel 17 are disposed on the other side in the frontage direction of the vertical projection plane of the car 3 when viewed from above in the vertical direction. A solar wheel 27 is disposed between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4 when viewed from above in the vertical direction. Therefore, the third embodiment also has the same effect as the first embodiment.
  • the lower return wheel 17 is arranged on the other side in the frontage direction of the vertical projection surface of the car 3 when viewed from above in the vertical direction.
  • the wheel 27 is disposed on the hoistway top 1a so as to be positioned between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4 when viewed from above in the vertical direction. Therefore, the trajectory of the hoisting rope 22 between the lower return wheel 17 and the sorase wheel 27 deviates from the region between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4 to the other side in the frontage direction. Therefore, without increasing the space between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4, the steadying of the hoisting rope 22 can be installed, and the size expansion of the hoistway 1 in the depth direction can be suppressed.
  • the rear end of the lower return wheel 17 in the depth direction is close to the other end of the front wheel 27 in the front direction as viewed from above in the vertical direction. Therefore, since the angle with respect to the vertical direction of the hoisting rope 22 traveling between the lower return wheel 17 and the wheel 37 is reduced, the thrust load acting on the bearings of the lower wheel 17 and the wheel 27 is reduced, and the hoisting wheel 22 is wound up. Wear of the rope 22 is reduced.
  • the front end portion in the depth direction of the upper return wheel 20A is close to the other end portion in the front end direction of the car suspension vehicle 12b when viewed from vertically above. Therefore, since the angle with respect to the vertical direction of the hoisting rope 22 that travels between the upper return wheel 20A and the car suspension wheel 12b is reduced, the thrust load acting on the bearings of the upper return wheel 20A and the car suspension wheel 12b is reduced. The wear of the hoisting rope 22 is reduced.
  • the other end of the weight suspension wheel 21 in the frontage direction is close to one end of the sheave 6 in the frontage direction when viewed from above in the vertical direction. Therefore, since the angle with respect to the vertical direction of the hoisting rope 22 traveling between the weight suspension wheel 21 and the sheave 6 is reduced, the thrust load acting on the bearings of the weight hoisting wheel 21 and the sheave 6 is reduced and the hoisting wheel 22 is hoisted. Wear of the rope 22 is reduced.
  • FIG. FIG. 11 is a schematic view of an elevator apparatus according to Embodiment 4 of the present invention as viewed from above.
  • the hoisting machine 5 has the sheave 6 directed toward the vertical projection surface of the car 3, the shaft 6 a is aligned with the frontage direction, and the vertical projection surface of the car 3 is viewed from above in the vertical direction. It arrange
  • the lower return wheel 17 has a shaft 17a aligned with the depth direction, and when viewed from above in the vertical direction, one end portion in the frontage direction is between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4.
  • the hoistway pit portion 1b is disposed in a region on the other side in the frontage direction so that the other end side in the frontage direction protrudes from the region to the other side in the frontage direction.
  • the upper return wheel 20 is weighted with the lower return wheel 17 between the vertical projection surface of the counterweight 3 and the vertical projection surface of the counterweight 4 as seen from above in the vertical direction with the shaft 20a aligned with the depth direction. It arrange
  • the front end portion in the depth direction of the sheave 6 is close to the other end portion in the front end direction of the car suspension wheel 12b, and the other end portion in the front end direction of the weight suspension wheel 21.
  • the end on the side is close to the end on one side in the front direction of the upper return wheel 20.
  • Other configurations are the same as those in the first embodiment.
  • the hoisting rope 22 is installed between the upper end side of the car guide rail 7a on one side in the frontage direction and the hoisting machine support beam 11 and is connected to the car leash support beam 23 extending in the depth direction.
  • the parts 24 are connected.
  • the hoisting rope 22 lowered from the car rope stopping portion 24 is spanned from one side in the front direction of the car 3 to the pair of car suspension vehicles 12a and 12b, and is pulled down from the other side in the front direction of the car 3.
  • the hoisting rope 22 pulled up from the other side in the front direction of the car 3 is wound around the sheave 6 a plurality of times from the front side in the depth direction and then lowered from the rear side in the depth direction of the sheave 6.
  • the hoisting rope 22 lowered from the rear side in the depth direction of the sheave 6 is hung from the other side in the frontage direction to the lower return wheel 17 and pulled up from one side in the frontage direction of the lower return wheel 17. Then, the hoisting rope 22 pulled up from one side in the front direction of the lower return wheel 17 is passed over the upper return wheel 20 from the other side in the front direction and lowered from one side in the front direction of the upper return wheel 20. And the hoisting rope 22 lowered from one side of the frontage direction of the sheave 6 is hung from the other side of the frontage direction to the weight suspension vehicle 21 and pulled up from one side of the frontage direction of the weight suspension vehicle 21. The end is connected to the hoisting machine support beam 11 by a weight rope stop 25.
  • the counterweight 4 is disposed on the rear side of the car 3 in the depth direction. Only the weight suspension wheel 21 is arranged on the upper part of the counterweight 4. The hoisting machine 5, the lower return wheel 17, and the upper return wheel 20 are disposed outside the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4. Therefore, the fourth embodiment also has the same effect as the first embodiment.
  • the upper return wheel 20 is disposed above the weight suspension wheel 21. Since the upper return wheel 20 is smaller in height than the hoisting machine 5, the vertical travel space of the counterweight 4 can be made equivalent to that of the first embodiment, and the height of the counterweight 4 can be increased. it can. That is, it is possible to increase the weight for loading the weight without reducing the vertical traveling space of the counterweight 4.
  • the front end in the depth direction of the sheave 6 is close to the other end in the front direction of the car suspension wheel 12b when viewed from vertically above. Therefore, since the angle with respect to the vertical direction of the hoisting rope 22 traveling between the sheave 6 and the car suspension wheel 12b is reduced, the thrust load acting on the bearings of the sheave 6 and the car suspension wheel 12b is reduced and the hoisting rope 22 is wound up. Wear of the rope 22 is reduced.
  • the end on the other side in the frontage direction of the weight suspension vehicle 21 is close to the end on the one side in the frontage direction of the upper return wheel 20 when viewed from above in the vertical direction. Therefore, since the angle with respect to the vertical direction of the hoisting rope 22 that travels between the weight suspension wheel 21 and the upper return wheel 20 is reduced, the thrust load acting on the bearings of the weight suspension wheel 21 and the upper return wheel 20 is reduced. The wear of the hoisting rope 22 is reduced.
  • FIG. FIG. 12 is a schematic view of an elevator apparatus according to Embodiment 5 of the present invention as viewed from above.
  • the hoisting machine 5 has the sheave 6 directed toward the vertical projection surface of the car 3, the shaft 6 a is aligned with the frontage direction, and the vertical projection surface of the car 3 is viewed from above in the vertical direction. It arrange
  • the lower return wheel 17 has the shaft 17a aligned with the frontage direction and is seen from above in the vertical direction on the other side in the frontage direction of the vertical projection surface of the car 3 and on the rear side in the depth direction of the sheave 6. It arrange
  • the wheel 27 is disposed on the hoistway top 1a with the shaft 27a in the depth direction.
  • the wheel 37 is located in a region on the other side in the front direction between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4 at one end in the front direction.
  • the other end side in the frontage direction is disposed so as to protrude from the region to the other side in the frontage direction.
  • the upper return wheel 20 has a shaft 20a aligned with the depth direction, and is suspended from the solar wheel 27 between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4 when viewed from above in the vertical direction. It arrange
  • the front end in the depth direction of the sheave 6 is close to the other end in the front direction of the car suspension wheel 12b, and the rear of the lower return wheel 17 in the depth direction.
  • the end on the side is close to the end on the other side of the front wheel 27, and the other end on the front of the weight hanging wheel 21 is the end on the one side in the front of the upper return wheel 20. Is close to.
  • Other configurations are the same as those in the first embodiment.
  • the hoisting rope 22 is installed between the upper end side of the car guide rail 7a on one side in the frontage direction and the hoisting machine support beam 11 and is connected to the car leash support beam 23 extending in the depth direction.
  • the parts 24 are connected.
  • the hoisting rope 22 lowered from the car rope stopping portion 24 is spanned from one side in the front direction of the car 3 to the pair of car suspension vehicles 12a and 12b, and is pulled down from the other side in the front direction of the car 3.
  • the hoisting rope 22 pulled up from the other side in the front direction of the car 3 is wound around the sheave 6 a plurality of times from the front side in the depth direction and then lowered from the rear side in the depth direction of the sheave 6.
  • the hoisting rope 22 lowered from the rear side in the depth direction of the sheave 6 is hung from the other side in the frontage direction to the lower return wheel 17 and pulled up from one side in the frontage direction of the lower return wheel 17. Then, the hoisting rope 22 pulled up from one side in the front direction of the lower return wheel 17 is hung from the other side in the front direction to the wheel 27, and the trajectory is changed. Then, the hoisting rope 22 whose trajectory has been changed is stretched over the upper return wheel 20 from the other side in the frontage direction and lowered from one side in the frontage direction of the upper return wheel 20.
  • the hoisting rope 22 lowered from one side in the frontage direction of the upper return wheel 20 is hung from the other side in the frontage direction to the weight suspension car 21, lifted from one side in the frontage direction of the weight suspension car 21, and the other end. Is connected to the hoisting machine support beam 11 by a weight rope stop 25.
  • the counterweight 4 is arranged on the rear side of the car 3 in the depth direction. Only the weight suspension wheel 21 is arranged on the upper part of the counterweight 4.
  • the hoisting machine 5, the lower return wheel 17, the ramp wheel 27, and the upper return wheel 20 are disposed outside the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4. Therefore, the fifth embodiment has the same effect as the first embodiment.
  • the lower return wheel 17 is disposed on the other side in the frontage direction of the vertical projection surface of the car 3 when viewed from above in the vertical direction.
  • the wheel 27 is disposed on the hoistway top 1a so as to be positioned between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4 when viewed from above in the vertical direction. Therefore, the trajectory of the hoisting rope 22 between the lower return wheel 17 and the sorase wheel 27 deviates from the region between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4 to the other side in the frontage direction. Therefore, without increasing the space between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4, the steadying of the hoisting rope 22 can be installed, and the size expansion of the hoistway 1 in the depth direction can be suppressed.
  • the weight of the weight can be increased without reducing the vertical traveling space of the counterweight 4.
  • the front end in the depth direction of the sheave 6 is close to the other end in the front direction of the car suspension wheel 12b when viewed from vertically above. Therefore, since the angle with respect to the vertical direction of the hoisting rope 22 traveling between the sheave 6 and the car suspension wheel 12b is reduced, the thrust load acting on the bearings of the sheave 6 and the car suspension wheel 12b is reduced and the hoisting rope 22 is wound up. Wear of the rope 22 is reduced.
  • the rear end portion in the depth direction of the lower return wheel 17 is close to the other end portion in the front direction of the sorase wheel 27 as viewed from vertically above. Therefore, since the angle with respect to the vertical direction of the hoisting rope 22 traveling between the lower return wheel 17 and the wheel 37 is reduced, the thrust load acting on the bearings of the lower wheel 17 and the wheel 27 is reduced, and the hoisting wheel 22 is wound up. Wear of the rope 22 is reduced.
  • the end on the other side in the frontage direction of the weight suspension vehicle 21 is close to the end on the one side in the frontage direction of the upper return wheel 20 when viewed from above in the vertical direction. Therefore, since the angle with respect to the vertical direction of the hoisting rope 22 that travels between the weight suspension wheel 21 and the upper return wheel 20 is reduced, the thrust load acting on the bearings of the weight suspension wheel 21 and the upper return wheel 20 is reduced. The wear of the hoisting rope 22 is reduced.
  • FIG. FIG. 13 is a schematic view of the main part of an elevator apparatus according to Embodiment 6 of the present invention viewed from above.
  • the counterweight 4 ⁇ / b> A has a stepped portion 28 formed by denting the front wall surface in the depth direction on the other side in the frontage direction to the rear side in the depth direction. Then, the lower return wheel 17 aligns the shaft 17a in the depth direction, and when viewed from vertically above, one end side in the front direction is balanced with the vertical projection surface of the car 3 and the step portion 28 of the vertical projection surface of the weight 4A. Is disposed in the hoistway pit portion 1b. As seen from above in the vertical direction, the hoisting machine 6 has a portion of the sheave 6 protruding between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4A. It is arrange
  • the counterweight 4A has the step portion 28 formed by denting the front wall surface in the depth direction on the other side in the frontage direction to the rear side in the depth direction. Then, the lower return wheel 17 aligns the shaft 17a in the depth direction, and when viewed from vertically above, one end side in the front direction is balanced with the vertical projection surface of the car 3 and the step portion 28 of the vertical projection surface of the weight 4A. It is located between. Therefore, when viewed from above, the dead space between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4A can be reduced, and the depth dimension of the hoistway 1 can be reduced.
  • the step portion 28 is formed on the counterweight 4 in the first embodiment.
  • the step portion 28 may be formed on the counterweight 4 in the second to fifth embodiments.
  • one end of the front wheel or lower return wheel in the front direction is positioned between the vertical projection surface of the car 3 and the stepped portion 28 of the counterweight 4A.
  • FIG. FIG. 14 is a schematic view of the main part of an elevator apparatus according to Embodiment 7 of the present invention viewed from above.
  • the lower return wheel 17 has a shaft 17 a aligned with the depth direction, and when viewed from vertically above, one end side in the front direction is the vertical projection surface of the car 3 and the weight guide on the other side in the front direction. It arrange
  • the sheave 6 projects a part between the vertical projection surface of the car 3 and the vertical projection surface of the counterweight 4
  • the weight guide rail 9b of the hoistway top 1a and the counterweight 4 are disposed on the other side in the front direction so as to be positioned between the weight suspension wheel 21 and the weight suspension wheel 21.
  • Other configurations are the same as those in the first embodiment.
  • the lower return wheel 17 has the shaft 17a aligned with the depth direction, and when viewed from vertically above, the vertical projection surface of the car 3 and the weight guide rail at one end in the front direction. It is located between the vertical projection plane 9b. Therefore, since the width of the weight guide rail 9b in the depth direction is narrower than the width of the counterweight 4 in the depth direction, the vertical guide plane of the car 3 and the vertical projection plane of the counterweight 4 are viewed from above. The dead space can be reduced, and the depth dimension of the hoistway 1 can be reduced.
  • the vertical projection surface of the car 3 and the guide rail for the weight are viewed from the upper end in the front direction in the front direction of the lower return wheel 17 in the first embodiment.
  • 9b is positioned between the vertical projection plane, and in the second to seventh embodiments, the car is viewed from the upper end in the vertical direction when viewed from the top in the front direction of the sorase wheel or lower return wheel.
  • 3 may be positioned between the vertical projection plane 3 and the vertical projection plane of the weight guide rail 9b.
  • a main rope is not limited to a winding rope
  • an underslang elevator device in which a car suspension car is attached to the lower part of the car is described.
  • the present invention is applied to an overslang elevator apparatus in which a car suspension car is attached to the upper part of the car.
  • the same effect can be obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

La présente invention porte sur un dispositif d'ascenseur par lequel un espace de déplacement dans la direction haut/bas d'un poids de contrepoids est maintenu, les dimensions de plafond peuvent être réduites, ainsi que la profondeur du puits. Ce dispositif d'ascenseur présente : un poids de contrepoids (4) agencé sur le côté arrière dans la direction de la profondeur d'une cabine d'ascenseur (3) ; une machine de levage (5) agencée au-dessus du poids de contrepoids (4) au sommet d'un puits ; uniquement un réa de suspension (21) agencé entre la machine de levage (5) et le poids de contrepoids (4) ; une poulie de retour supérieure (20) agencée sur l'autre côté dans la direction de la largeur d'une surface de saillie verticale de la cabine d'ascenseur (3). Une poulie de retour inférieure (17) possède une section d'extrémité dans la direction de la largeur positionnée dans une zone sur l'autre côté dans la direction de la largeur entre la surface de saillie verticale de la cabine d'ascenseur (3) et une surface de saillie verticale du poids de contrepoids (4). L'autre côté d'extrémité dans la direction de la largeur fait saillie vers l'autre côté dans la direction de la largeur à partir de ladite zone.
PCT/JP2013/072380 2013-08-22 2013-08-22 Dispositif d'ascenseur Ceased WO2015025396A1 (fr)

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Cited By (7)

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CN105775962A (zh) * 2016-05-06 2016-07-20 冯克电梯(上海)有限公司 一种电梯对重后置装置
JP2018052647A (ja) * 2016-09-26 2018-04-05 東芝エレベータ株式会社 マシンルームレスエレベータ
WO2018198232A1 (fr) * 2017-04-26 2018-11-01 三菱電機株式会社 Dispositif d'ascenseur
JP2019043739A (ja) * 2017-09-04 2019-03-22 東芝エレベータ株式会社 マシンルームレスエレベータ
WO2023119547A1 (fr) * 2021-12-23 2023-06-29 株式会社日立製作所 Ascenseur
WO2023223554A1 (fr) * 2022-05-20 2023-11-23 三菱電機株式会社 Dispositif d'ascenseur et procédé de réparation associé
WO2023233592A1 (fr) * 2022-06-01 2023-12-07 三菱電機株式会社 Dispositif d'ascenseur

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JP2001063933A (ja) * 1999-08-26 2001-03-13 Mitsubishi Electric Corp エレベーター装置
JP2001240339A (ja) * 2000-02-29 2001-09-04 Toshiba Corp エレベータ装置及びその組立方法
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Publication number Priority date Publication date Assignee Title
CN105775962A (zh) * 2016-05-06 2016-07-20 冯克电梯(上海)有限公司 一种电梯对重后置装置
JP2018052647A (ja) * 2016-09-26 2018-04-05 東芝エレベータ株式会社 マシンルームレスエレベータ
CN110546098B (zh) * 2017-04-26 2021-03-16 三菱电机株式会社 电梯装置
JP6432926B1 (ja) * 2017-04-26 2018-12-05 三菱電機株式会社 エレベータ装置
CN110546098A (zh) * 2017-04-26 2019-12-06 三菱电机株式会社 电梯装置
WO2018198232A1 (fr) * 2017-04-26 2018-11-01 三菱電機株式会社 Dispositif d'ascenseur
JP2019043739A (ja) * 2017-09-04 2019-03-22 東芝エレベータ株式会社 マシンルームレスエレベータ
WO2023119547A1 (fr) * 2021-12-23 2023-06-29 株式会社日立製作所 Ascenseur
JPWO2023119547A1 (fr) * 2021-12-23 2023-06-29
JP7689203B2 (ja) 2021-12-23 2025-06-05 株式会社日立製作所 エレベーター
WO2023223554A1 (fr) * 2022-05-20 2023-11-23 三菱電機株式会社 Dispositif d'ascenseur et procédé de réparation associé
JPWO2023223554A1 (fr) * 2022-05-20 2023-11-23
JP7717274B2 (ja) 2022-05-20 2025-08-01 三菱電機株式会社 エレベーター装置及びその改修方法
WO2023233592A1 (fr) * 2022-06-01 2023-12-07 三菱電機株式会社 Dispositif d'ascenseur
JPWO2023233592A1 (fr) * 2022-06-01 2023-12-07

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