EP1801062B1 - Aufzugsvorrichtung - Google Patents

Aufzugsvorrichtung Download PDF

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Publication number
EP1801062B1
EP1801062B1 EP07006531A EP07006531A EP1801062B1 EP 1801062 B1 EP1801062 B1 EP 1801062B1 EP 07006531 A EP07006531 A EP 07006531A EP 07006531 A EP07006531 A EP 07006531A EP 1801062 B1 EP1801062 B1 EP 1801062B1
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EP
European Patent Office
Prior art keywords
cage
traction machine
counterweight
elevating path
rope
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.)
Expired - Lifetime
Application number
EP07006531A
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English (en)
French (fr)
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EP1801062A1 (de
Inventor
Yoshikatsu Hayashi
Shuki Hamaguchi
Makoto Tomidokoro
Takenobu Honda
Shigeki Yamakawa
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication date
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Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to DE69942377T priority Critical patent/DE69942377D1/de
Publication of EP1801062A1 publication Critical patent/EP1801062A1/de
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    • 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
    • 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
    • B66B11/0035—Arrangement of driving gear, e.g. location or support
    • B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway
    • 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, in the elevating path of which there are provided a cage, counterweight, rope for suspending both the cage and the counterweight, traction machine for driving the rope, and direction-change-pulley for changing the suspending direction of the rope.
  • Figs. 12 and 13 are respectively a plan view and side view showing a conventional elevator apparatus which are illustrated in Figs. 2 and 1 in the official gazette of Japanese Unexamined Patent Publication No. 9-165172 .
  • reference numeral 1 is a cage in which passengers or goods are carried
  • reference numeral 2 is a counterweight for compensating the weight of the cage
  • reference numeral 3 is a rope for suspending the cage 1 and counterweight 2
  • reference numeral 4 is a thin type traction machine for driving and elevating the cage 1 and counterweight 2 via the rope
  • reference numeral 4a is a sheave of the traction machine
  • reference numerals 5a, 5b are direction-change-pulleys for changing the suspending direction of the rope
  • reference numeral 6 is a guide rail for guiding the cage
  • reference numeral 7 is a guide rail for guiding the counterweight
  • reference numeral 8 is an elevating path
  • reference numeral 11 is a hanging pulley for hanging the cage 1
  • reference numeral 12 is a hanging pulley for hanging the counterweight 2
  • reference numeral 13 is a rope fixing device for fixing the rope on the cage side
  • reference numeral 14 is a rope fixing device for fixing the rope on the counterweight side.
  • the cage 1 of the elevator and the counterweight 2 are elevated via the rope 3 suspended by the sheave 4a of the traction machine 4.
  • the guide rail 6 for the cage restricts a movement of the cage 1 in the horizontal direction
  • the guide rail 7 for the counterweight restricts a movement of the counterweight 2 in the horizontal direction. Therefore, the cage 1 and the counterweight 2 neither come into contact nor interfere with other equipment arranged in the elevating path and the elevating path itself.
  • vertical projections of the cage 1, counterweight 2 and traction machine 4 are separated from each other, and the traction machine 4 is located in parallel with one wall face adjacent to the traction machine.
  • Items (1) and (2) described above have the following disadvantages. Height of the elevating path must be larger than the necessary minimum height of elevating path which is necessary for the elevator to be elevated. Further, there is a possibility that the ceiling of the elevating path unexpectedly strikes a maintenance worker on his head when he conducts maintenance work of the traction machine on the cage at the top of the elevating path. Therefore, it is necessary to take countermeasure for protecting the maintenance worker.
  • Item (2) is disadvantageous in that heat generated by the traction machine stays at the top of the elevating path and temperature is raised, so that the traction machine tends to become out of order.
  • Item (3) is disadvantageous in that the elevator apparatus must be provided with a protection means for protecting the traction machine because the traction machine is arranged in the pit which is most likely to be covered with water.
  • the elevator apparatus disclosed in the above Japanese Unexamined Patent Publication No. 9-165172 the problems described in item (1) can be solved.
  • the elevator apparatus disclosed in the above Japanese Unexamined Patent Publication No. 9-165172 creates a new disadvantage in which unused spaces are generated all over the height of the elevating path in the upper and the lower portion on the vertical projection face of the traction machine.
  • the conventional elevating apparatus creates a disadvantage in which unused spaces are generated all over the height of the elevating path in the upper and the lower portion on the vertical projection face of the traction machine.
  • the present invention has been accomplished to solve the above problems. It is an object of the present invention to provide an elevator apparatus characterized in that: generation of unused spaces in the elevating path is suppressed; breakdown of the traction machine caused by a raise in the temperature is suppressed; the traction machine is not damaged even if the elevating path is covered with water; and it is unnecessary to provide a protective means for protecting a maintenance worker when the cage is unexpectedly elevated in the process of maintenance.
  • the present invention provides an elevator apparatus comprising: a cage elevating in an elevating path; a counterweight moving in an opposite direction to the cage; a guide rail for the cage to restrict a movement of the cage in the horizontal direction; a guide rail for the counterweight to restrict a movement of the counterweight in the horizontal direction; a rope for suspending the cage and counterweight; a traction machine, round which the rope is wound, for elevating the cage and counterweight via the rope in the elevating path, the traction machine being formed into a thin type, the traction machine being arranged in parallel with one wall face in the horizontal cross-section of the elevating path at an upper position of the floor face of the cage when the cage stops at the lowermost floor of the elevating path and at a lower position of the ceiling of the cage when the cage stops at the uppermost floor; and a direction-change-pulley arranged obliquely with respect to the wall face at an upper position of the traction machine.
  • the present invention also provides an elevator apparatus in which at least one of the traction machine and the direction-change-pulley is fixed to a beam supported by the guide rail for the cage or the guide rail for the counterweight.
  • the present invention also provides an elevator apparatus in which a lower end of the traction machine is arranged at an upper position of the floor face of the cage in the elevating path when the cage stops at the lowermost floor.
  • the present invention also provides an elevator apparatus in which a lower end of the traction machine is arranged at an upper position of the first floor face.
  • the present invention also provides an elevator apparatus in which the traction machine is arranged at an upper position of the reference floor face.
  • the present invention also provides an elevator apparatus in which the traction machine is arranged at an upper position of the uppermost floor face.
  • the present invention also provides an elevator apparatus in which the traction machine is attached to a beam for supporting the direction-change-pulley from the lower side.
  • the present invention also provides an elevator apparatus in which the traction machine is attached to a beam for supporting the direction-change-pulley from the lower side, and the beam has a vibration proof structure.
  • the present invention also provides an elevator apparatus in which at least a portion of the traction machine and a portion of the direction-change-pulley are arranged being put on each other on a projection face of a horizontal cross-section of the elevating path.
  • the present invention also provides an elevator apparatus in which a sheave or motor of the traction machine protrudes from the back face of the guide rail to the cage side on a horizontal cross-section of the elevating path.
  • the present invention also provides an elevator apparatus in which a control panel for controlling the traction machine is arranged at the substantially same level as that of the traction machine or right above or right below the traction machine close to it.
  • the present invention also provides an elevator apparatus in which a lower end of the control panel is arranged at an upper position of the floor face of the cage in the elevating path when the cage stops at the lowermost floor.
  • the present invention also provides an elevator apparatus in which a lower end of the control panel is arranged at an upper position of the first floor face in the elevating path.
  • the present invention also provides an elevator apparatus in which one of the direction-change-pulleys is composed of a drive unit.
  • the present invention also provides an elevator apparatus in which an inclination angle of the direction-change-pulley with respect to the wall face of the elevating path is made variable or a distance between the direction-change-pulleys on a horizontal cross-section of the elevating path is made variable.
  • Embodiment 1 of the elevator apparatus of the present invention will be explained below.
  • Fig. 1 is a perspective view of the elevator apparatus of Embodiment 1 of the present invention
  • Fig. 2 is a plan view. This is an example in which the counterweight is arranged at the rear of the cage with respect to the entrance of the elevator and the traction machine is arranged on the side of the cage.
  • reference numeral 1 is a cage in which passengers or goods are carried
  • reference numeral 2 is a counterweight for compensating the weight of the cage 1
  • reference numeral 3 is a rope for suspending the cage 1 and counterweight 2
  • reference numeral 4 is a thin type traction machine for driving and elevating the cage 1 and counterweight 2 via the rope 3
  • reference numeral 4a is a sheave of the traction machine
  • reference numeral 4b is a motor of the traction machine
  • reference numerals 5a, 5b are direction-change-pulleys for changing the suspending direction of the rope 3
  • reference numeral 6 is a guide rail for guiding the cage
  • reference numeral 7 is a guide rail for guiding the counterweight
  • reference numeral 8 is an elevating path
  • reference numeral 8a is a top portion of the elevating path 8
  • reference numeral 8b is a pit section of the elevating path
  • reference numeral 9 is a beam for supporting the traction machine 4
  • reference numeral 10 is a beam
  • one-dotted chain line A in Fig. 1 shows a height of the ceiling of the cage when it stops at the uppermost floor. That is, an upper portion of this one-dotted chain line A is a top portion.
  • One-dotted chain line B in Fig. 1 shows a height of the floor of the cage when it stops at the lowermost floor. That is, a lower portion of this one-dotted chain line B is a pit portion.
  • the lower end of the traction machine 4 is located at an upper position of one-dotted chain line B. That is, the traction machine 4 is arranged at a lower position of the ceiling of the cage when the cage stops at the uppermost floor, and the lower end of the traction machine is arranged at an upper position of the floor face of the cage when the cage stops at the lowermost floor.
  • the traction machine 4 is arranged in parallel with one wall adjacent to the traction machine 4.
  • direction-change-pulley 5a is arranged being put on the traction machine 4 on the projection face of a horizontal cross-section of the elevating path 8.
  • the direction-change-pulley 5b is arranged being inclined with respect to the wall face.
  • the traction machine 4 is fixed to the lower side of the beam 9 which is supported by the guide rail 6 for the cage and the guide rail 7 for the counterweight.
  • the sheaves 4a of the traction machine 4 is located on the cage side with respect to the back face of the guide rail 6 for the cage on a horizontal cross-section of the elevating path 8.
  • the back face of the guide rail is defined as a portion C shown in Fig. 3 .
  • the traction machine 4 is directly fixed to the beam 9, however, it is possible to attach the traction machine 4 to the beam 9 via an elastic body so that a vibration proof structure can be provided. It is possible to arrange an elastic body between the beam 9 and the guide rail 6 for the cage and also it is possible to arrange an elastic body between the beam 9 and the guide rail 7 for the counterweight.
  • the direction-change-pulleys 5a, 5b are fixed to the beam 10 which is supported by the guide rail 6 for the cage and the guide rail 7 for the counterweight.
  • the direction-change-pulleys 5a, 5b are directly fixed to the beam 10, however, it is possible to attach the direction-change-pulleys 5a, 5b to the beam 10 via an elastic body so that a vibration proof structure can be provided. It is possible to arrange an elastic body between the beam 10 and the guide rail 6 for the cage and also it is possible to arrange an elastic body between the beam 10 and the guide rail 7 for the counterweight.
  • control panel 15 is arranged in such a manner that the lower end of the control panel 15 is located at an upper position of the floor of the cage when the cage stops at the lowermost floor, that is, the control panel 15 is located at the substantially same height as that of the traction machine 4.
  • the direction-change-pulley 5a is arranged in such a manner that a portion of the direction-change-pulley. 5a is put on the traction machine 4 on the projection face of a horizontal cross-section of the elevating path 8 and further the sheave 4a of the traction machine 4 is located on the cage side with respect to the back face of the guide rail 6 for the cage in a horizontal cross-section of the elevating path 8. Therefore, an occupation area occupied by the traction machine 4 on the projection face of the horizontal cross-section of the elevating path 8 is reduced. Accordingly, an unused space with respect to the entire height of the elevating path can be reduced. Further, a wrapping angle of the rope wound round the sheave 4a of the traction machine becomes larger than 180°.
  • the traction capacity can be enhanced. Furthermore, since the traction machine 4 is arranged at a lower position of the ceiling of the cage when the cage stops at the uppermost floor, there is no possibility that the ceiling of the elevating path unexpectedly strikes a maintenance worker on his head when he conducts maintenance work of the traction machine on the cage at the top of the elevating path. Therefore, it is unnecessary to take countermeasure for protecting the maintenance worker. Heat generated by the traction machine is emitted upward to the ceiling of the elevating path. Accordingly, there is no possibility that the traction machine becomes out of order by a raise in the temperature.
  • the lower end of the traction machine 4 and the lower end of the control panel 15 are respectively located at upper positions of the floor face of the cage when the cage stops at the lowermost floor and also located at lower positions of the face of the ceiling of the cage. Therefore, even if the pit is covered with water, there is no possibility that the traction machine 4 and the control panel 15 are damaged by water.
  • depth of the pit is approximately 1.2 m to 1.5 m.
  • a maintenance worker can reach the traction machine and the control panel with his hands when he stands on the pit floor, for example, the traction machine and the control panel are located at the height from 1.2 m to 1.7 m (When the cage stops at the lowermost floor, the height of the floor of the cage is 1.7 m from the pit floor.). Therefore, it is easy for the worker to conduct the maintenance work.
  • the traction machine 4 When the lower end of the traction machine 4 is arranged at an upper position of the face of the floor of the cage when the cage stops at the uppermost floor and also the lower end of the traction machine 4 is arranged at a lower position of the face of the ceiling of the cage, the traction machine 4 and the direction-change-pulleys 5a, 5b are closely located with respect to the height. Therefore, both the traction machine 4 and the direction-change-pulleys 5a, 5b can be conveniently inspected for maintenance.
  • Embodiment 2 of the elevator apparatus of the present invention will be explained below.
  • Fig. 4 is a perspective view of Embodiment 2 of the elevator apparatus of the present invention.
  • Fig. 5 is a plan view. This is an example in which the counterweight is arranged at the rear of the cage with respect to the entrance of the elevator and the traction machine is arranged on the side of the elevating space of the counterweight.
  • like reference characters are used to indicate like parts, and explanations are omitted here.
  • the lower end of the traction machine 4 is located at an upper position of one-dotted chain line B. That is, the traction machine 4 is arranged at a position lower than the ceiling of the cage when the cage stops at the uppermost floor, and the lower end of the traction machine 4 is arranged at an upper position of the floor face of the cage when the cage stops at the lowermost floor.
  • the traction machine 4 is arranged in parallel with one wall adjacent to it.
  • the direction-change-pulleys 5a, 5b are arranged in such a manner that portions of the direction-change-pulleys 5a, 5b are put on the traction machine 4 on a projection face of a horizontal cross-section of the elevating path 8. Since the direction-change-pulley 5b is inclined with respect to the wall face of the elevating path 8, an entering angle of the rope 3 with respect to the rope groove of the sheave 4a becomes small. Therefore, the rope can be prevented from being damaged.
  • the traction machine 4 is fixed to the beam 9, which is supported by the guide rail 6 for the cage and the guide rail 7 for the counterweight, from the lower side.
  • the traction machine 4 is directly fixed to the beam 9, however, it is possible that the traction machine 4 is fixed to the beam via an elastic body so that a vibration proof structure can be provided.
  • the beam 9 can be attached to the guide rail 6 for the cage and the guide rail 7 for the counterweight via elastic bodies.
  • the direction-change-pulley 5 is fixed to the beam 10 supported by the guide rail 6 for the cage and the guide rail 7 for the counterweight.
  • the direction-change-pulley 5 is directly fixed to the beam 10, however, the direction-change-pulley 5 may be fixed to the beam 10 via an elastic body so that a vibration proof structure can be provided.
  • the beam 10 can be attached to the guide rail 6 for the cage and the guide rail 7 for the counterweight via elastic bodies.
  • control panel 15 is arranged at a position right above or right below very close to the traction machine 4 where a projection face of the control panel 15 is put on the traction machine 4 on a horizontal cross-section of the elevating path 8.
  • the direction-change-pulley 5a is arranged in such a manner that a portion of the direction-change-pulley 5a is put on the traction machine 4 on the projection face, of a horizontal cross-section of the elevating path 8 and further the control panel 15 is arranged at a position right above or right below very close to the traction machine 4 where a projection face of the control panel 15 is put on the traction machine 4 on a horizontal cross-section of the elevating path 8. Therefore, an occupation area occupied by the traction machine 4 on the projection face of the horizontal cross-section of the elevating path 8 is reduced.
  • the traction machine 4 is arranged at a lower position of the ceiling of the cage when the cage stops at the uppermost floor, there is no possibility that the ceiling of the elevating path unexpectedly strikes a maintenance worker on his head when he is conducting maintenance work of the traction machine on the cage at the top of the elevating path. Therefore, it is unnecessary to take countermeasure for protecting the maintenance worker. Heat generated by the traction machine is emitted upward to the ceiling of the elevating path. Accordingly, there is no possibility that the traction machine becomes out of order by a raise in the temperature.
  • the lower end of the traction machine 4 is located at an upper position of the floor face of the cage when the cage stops at the lowermost floor and further the control panel 15 is arranged at a position right above or right below very close to the traction machine 4 where a projection face of the control panel 15 is put on the traction machine 4 on a horizontal cross-section of the elevating path 8. Therefore, even if the pit is covered with water, there is no possibility that the traction machine 4 and the control panel 15 are damaged by water.
  • depth of the pit is approximately 1.2 m to 1.5 m.
  • a maintenance worker can reach the traction machine and the control panel with his hands when he stands on the pit floor, for example, the traction machine and the control panel are located at the height from 1.2 m to 1.7 m (When the cage stops at the lowermost floor, the height of the floor of the cage is 1.7 m from the pit floor.). Therefore, it is easy for the worker to conduct the maintenance work.
  • the traction machine 4 When the lower end of the traction machine 4 is arranged at an upper position of the face of the floor of the cage when the cage stops at the uppermost floor and also arranged at a lower position of the face of the ceiling of the cage, the traction machine 4 and the direction-change-pulleys 5a, 5b are closely located with respect to the height. Therefore, both the traction machine 4 and the direction-change-pulleys 5a, 5b can be conveniently inspected.
  • Fig. 6 is a perspective view of Embodiment 3 of the elevator apparatus of the present invention.
  • Fig. 7 is a plan view. This is an example in which the counterweight is arranged on the side of the cage with respect to the entrance of the elevator and the traction machine is arranged on the same side as that of the counterweight so that a projection face of the traction machine can not be put on the counterweight on a horizontal cross-section of the elevating path.
  • like reference characters are used to indicate like parts, and explanations are omitted here.
  • the lower end of the traction machine 4 is located at an upper position of one-dotted chain line B. That is, the traction machine 4 is arranged at a position lower than the ceiling of the cage when the cage stops at the uppermost floor, and the lower end of the traction machine 4 is arranged at an upper position of the floor face of the cage when the cage stops at the lowermost floor.
  • the traction machine 4 is arranged in parallel with one wall adjacent to it.
  • the direction-change-pulley 5a is arranged in such a manner that a portion of the direction-change-pulley 5a is put on the traction machine 4 on a projection face of a horizontal cross-section of the elevating path 8. Since the direction-change-pulleys 5a, 5b are inclined with respect to the wall face of the elevating path 8, an entering angle of the rope 3 with respect to the sheave 4a becomes small. Therefore, the rope can be prevented from being damaged. Further, the traction machine 4 is fixed to the beam 9, which is supported by the guide rail 6 for the cage and the guide rail 7 for the counterweight, from the lower side.
  • the motor 4b of the traction machine 4 is located on the cage side of the back face of the guide rail 6 for the cage on a horizontal cross-section of the elevating path 8.
  • the back face of the guide rail is defined as a portion C in Fig. 3 .
  • the traction machine 4 is directly fixed to the beam 9, however, it is possible that the traction machine 4 is fixed to the beam via an elastic body so that a vibration proof structure can be provided. Further, the beam 9 can be attached to the guide rail 6 for the cage and the guide rail 7 for the counterweight via elastic bodies.
  • the direction-change-pulley 5 is fixed to the beam 10 supported by the guide rail 6 for the cage and the guide rail 7 for the counterweight.
  • the direction-change-pulley 5 is directly fixed to the beam 10, however, the direction-change-pulley 5 may be fixed to the beam 10 via an elastic body so that a vibration proof structure can be provided.
  • the beam 10 can be attached to the guide rail 6 for the cage and the guide rail 7 for the counterweight via elastic bodies.
  • the direction-change-pulley 5a is arranged in such a manner that a portion of the direction-change-pulley 5a is put on the traction machine 4 on the projection face of a horizontal cross-section of the elevating path 8 and further the motor 4b of the traction machine 4 is located on the cage side with respect to the back face of the guide rail 6 for the cage in a horizontal cross-section of the elevating path 8. Therefore, an occupation area occupied by the traction machine 4 on the projection face of the horizontal cross-section of the elevating path 8 is reduced.
  • the traction machine 4 is arranged at a lower position of the ceiling of the cage when the cage stops at the uppermost floor, there is no possibility that the ceiling of the elevating path unexpectedly strikes a maintenance worker on his head who is conducting maintenance work of the traction machine on the cage at the top of the elevating path. Therefore, it is unnecessary to take countermeasure for protecting the maintenance worker. Heat generated by the traction machine is emitted upward to the ceiling of the elevating path. Accordingly, there is no possibility that the traction machine becomes out of order by a raise in the temperature.
  • the lower end of the traction machine 4 and the lower end of the control panel 15 are respectively located at upper positions of the floor face of the cage when the cage stops at the lowermost floor and also located at lower positions of the face of the ceiling of the cage. Therefore, even if the pit is covered with water, there is no possibility that the traction machine 4 and the control panel 15 are damaged by water.
  • depth of the pit is approximately 1.2 m to 1.5 m.
  • a maintenance worker can reach the traction machine and the control panel with his hands when he stands on the pit floor, for example, the traction machine and the control panel are located at the height from 1.2 m to 1.7 m (When the cage stops at the lowermost floor, the height of the floor of the cage is 1.7 m from the pit floor.). Therefore, it is easy for the worker to conduct the maintenance work.
  • the traction machine 4 and the direction-change-pulleys 5 are closely located with respect to the height. Therefore, both the traction machine 4 and the direction-change-pulleys 5 can be conveniently inspected for maintenance.
  • Embodiment 4 of the elevator apparatus of the present invention will be explained below.
  • Fig. 8 is a perspective view of Embodiment 4 of the elevator apparatus of the present invention.
  • Fig. 2 is a plan view.
  • Figs. 9 and 10 are views showing a primary portion. This is an example in which the counterweight is arranged at the rear of the cage with respect to the entrance of the elevator, and the traction machine is arranged on the side of the cage on the lower side of the beam to support the direction-change-pulleys right below the height of the ceiling of the cage when the cage stops at the uppermost floor.
  • Like reference characters are used to indicate like parts and explanations are omitted here.
  • reference numeral 16 is an elastic body for absorbing vibration of the beam 10.
  • inclination angles of the direction-change-pulleys 5 with respect to the elevating path wall are variable, and the interval between the two direction-change-pulleys 5 is also variable.
  • the variable structure can be realized, for example, when the beam 10 and the frame of the direction-change-pulleys 5 are fastened to each other with bolts, and the fastening holes are formed into long holes.
  • the variable structure is not limited to the above specific embodiment. This variable structure can be also applied to Embodiments 1 to 3.
  • the traction machine 4 and the direction-change-pulleys 5 are attached to the same beam 10 and further the beam 10 is attached to the guide rail 6 for the cage and the guide rail 7 for the counterweight via the elastic body 16, vibration of the traction machine 4 and the direction-change-pulleys 5 can be effectively insulated.
  • inclination angles of the direction-change-pulleys 5 with respect to the elevating path wall are variable and the interval between the two direction-change-pulleys 5 is also variable. Therefore, the same design can be applied even if the size of the cage 1 is different so that the positional relation between the cage hanging pulley 12 and the counterweight hanging pulley 13 on the elevating path plane is changed.
  • Fig. 11 is a view showing Embodiment 5 of the elevator apparatus of the present invention. Like reference characters are used to indicate like parts in this view and the views described before.
  • reference numeral 17 is a drive unit with which one of the direction-change-pulleys 5 is replaced. In this connection, this replacement can be applied to any of Embodiments 1 to 4.
  • the present invention provides an elevator apparatus comprising: a cage elevating in an elevating path; a counterweight moving in an opposite direction to the cage; a guide rail for the cage to restrict a movement of the cage in the horizontal direction; a guide rail for the counterweight to restrict a movement of the counterweight in the horizontal direction; a rope for suspending the cage and counterweight; a traction machine, round which the rope is wound, for elevating the cage and counterweight via the rope in the elevating path, the traction machine being formed into a thin type, the traction machine being arranged in parallel with one wall face in the horizontal cross-section of the elevating path at an upper position of the floor face of the cage when the cage stops at the lowermost floor of the elevating path and at a lower position of the ceiling of the cage when the cage stops at the uppermost floor; and a direction-change-pulley arranged obliquely with respect to the wall face at an upper position of the ceiling of the cage when the cage stops at the uppermost floor in the elevating path.
  • an area occupied by the traction machine on a projection face of a horizontal cross-section of the elevating path is small, so that an unused space with respect to the entire height of the elevating path can be reduced. Since an entering angle at which the rope enters the rope groove of the sheave of the traction machine is small, the rope can be prevented from being damaged.
  • At least one of the traction machine and the direction-change-pulley is fixed to a beam supported by the guide rail for the cage or the guide rail for the counterweight. Therefore, an upward force caused by rope tension acting on the traction machine and a downward force acting on the direction-change-pulley are canceled to each other in the guide rails. Therefore, a force given to a building can be reduced.
  • a lower end of the traction machine is arranged at an upper position of the floor face of the cage when the cage stops at the lowermost floor in the elevating path. Therefore, even if the pit is covered with water, there is no possibility that the traction machine is damaged.
  • a lower end of the traction machine is arranged at an upper position of the first floor face. Therefore, even if the pit is covered with water, there is no possibility that the traction machine is damaged.
  • the traction machine is arranged at an upper position of the reference floor face. Therefore, inspection work can be easily conducted according to operation of the elevator.
  • the traction machine is arranged at an upper position of the uppermost floor face. Therefore, positional adjustment of the direction-change-pulley and the traction machine can be easily conducted, and inspection can be conveniently performed.
  • the traction machine is attached to a beam for supporting the direction-change-pulley from the lower side. Therefore, forces acting on the guide rails can be reduced. Therefore, positional adjustment of the direction-change-pulley and the traction machine can be easily conducted, and inspection can be conveniently performed.
  • the traction machine is attached to a beam for supporting the direction-change-pulley from the lower side, and the beam has a vibration proof structure. Therefore, vibration of the traction machine and the direction-change-pulleys can be effectively insulated.
  • At least a portion of the traction machine and a portion of the direction-change-pulley are arranged being put on each other on a projection face of a horizontal cross-section of the elevating path. Therefore, the elevating space can be reduced.
  • a sheave or motor of the traction machine protrudes from the back face of the guide rail to the cage side on a horizontal cross-section of the elevating path. Therefore, the elevating space can be reduced.
  • a control panel for controlling the traction machine is arranged at the substantially same level as that of the traction machine or right above or right below the traction machine close to it. Therefore, the traction machine and the control panel can be easily inspected.
  • a lower end of the control panel is arranged at an upper position of the floor face of the cage in the elevating path when the cage stops at the lowermost floor. Therefore, even if the pit is covered with water, the control panel is not damaged.
  • a lower end of the control panel is arranged at an upper position of the first floor face in the elevating path. Therefore, even if the underground floor is covered with water, the control panel is not damaged.
  • One of the direction-change-pulley is composed of a drive unit. Therefore, this structure can be applied to an elevator of a large capacity.
  • An inclination angle of the direction-change-pulley with respect to the wall face of the elevating path is made variable or a distance between the direction-change-pulleys on a horizontal cross-section of the elevating path is made variable. Therefore, the same design can be applied even if the cage size is different.
  • the elevator apparatus of the present invention is suitably applied to an elevator apparatus comprising: a cage elevating in an elevating path; a counterweight moving in an opposite direction to the cage; a guide rail for the cage to restrict a movement of the cage in the horizontal direction; a guide rail for the counterweight to restrict a movement of the counterweight in the horizontal direction; a rope for suspending the cage and counterweight; a traction machine, round which the rope is wound, for elevating the cage and counterweight via the rope in the elevating path, the traction machine being formed into a thin type, the traction machine being arranged in parallel with one wall face in the horizontal cross-section of the elevating path at an upper position of the floor face of the cage when the cage stops at the lowermost floor of the elevating path and at a lower position of the ceiling of the cage when the cage stops at the uppermost floor; and a direction-change-pulley arranged obliquely with respect to the wall face at an upper position of the traction machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Types And Forms Of Lifts (AREA)
  • Elevator Control (AREA)

Claims (1)

  1. Aufzugsapparat, umfassend:
    einen sich auf einem Hebepfad (8) hebenden Käfig (1);
    ein sich in einer gegenläufigen Richtung zum Käfig (1) im Hebepfad (8) hebendes Gegengewicht (29;
    eine Führung (6) für den Käfig (1), um eine Bewegung des Käfigs (1) in horizontaler Richtung zu beschränken;
    eine Führung (7) für das Gegengewicht (2), um eine Bewegung des Gegengewichtes (2) in horizontaler Richtung zu beschränken;
    ein Seil (3) zum Aufhängen des Käfigs (1) und des Gegengewichts (2);
    eine Zugmaschine (4; 4a, 4b) mit einem Rillenrad (4a), um welches das Seil (3) gewunden ist, und einem Motor (4b) zum Antreiben des Rillenrads (4a), wobei die Zugmaschine (4; 4a, 4b) den Käfig (1) und das Gegengewicht (2) über das Seil (3) durch Rotieren des Rillenrads (4a) hebt, wobei die Zugmaschine (4; 4a, 4b) im Hebepfad (8) angeordnet ist;
    eine erste Richtungsänderungsrolle (5a), um welche das sich vom Rillenrad (4a) der Zugmaschine (4; 4a, 4b) zum Käfig (1) erstreckende Seil (3) gewunden ist, zum Ändern einer Richtung des Seils (3), wobei die erste Richtungsänderungsrolle (5a) im Hebepfad (8) angeordnet ist;
    eine zweite Richtungsänderungsrolle (5b), um welche das sich vom Rillenrad (4a) der Zugmaschine (4; 4a, 4b) zum Gegengewicht (8) erstreckende Seil (3) gewunden ist, zum Ändern eine Richtung des Seils (3), wobei die zweite Richtungsänderungsrolle (5b) im Hebepfad (8) angeordnet ist;
    dadurch gekennzeichnet, dass
    der Käfig (1) einen Eingang und eine hängende Rolle (11) aufweist;
    die Führung für den Käfig (1) und die Führung für das Gegengewicht (2) jeweils eine Führungsschiene (6, 7) sind;
    das Gegengewicht (2) an einer Seite des Käfigs (1) in Bezug auf den Eingang im horizontalen Querschnitt des Hebepfads (8) angeordnet ist, wobei das Gegengewicht (2) eine hängende Rolle (12) aufweist;
    das Seil (3) den Käfig (1) über die hängende Rolle (11) des Käfigs (1) und das Gegengewicht (2) über die hängende Rolle (12) des Gegengewichts (2) aufhängt;
    die Zugmaschine (4; 4a, 4b) eine äußere Abmsessung längs einer Richtung einer Rotationswelle des Rillenrades (4a) aufweist, wobei die äußere Abmessung kleiner als eine äußere Abmessung der Zugmaschine (4; 4a, 4b) längs einer Richtung rechtwinklig zur Rotationswelle ist;
    die Zugmaschine (4; 4a, 4b) angrenzend an das Gegengewicht längs einer Wandfläche des Hebepfads (8) angeordnet ist, positioniert an einer Seite des Käfigs (1), an der das Gegengewicht (2) angeordnet ist;
    die Zugmaschine (4; 4a, 4b) dafür ausgelegt ist, vom Gegengewicht (2) und dem Käfig (1) im Horizontalquerschnitt des Hebepfads (8) getrennt zu sein und an einer oberen Position der Bodenseite des Käfigs (1) positioniert zu sein, wenn der Käfig (1) auf dem untersten Stockwerk des Hebepfads (8) anhält, und an einer unteren Position der Decke des Käfigs (1), wenn der Käfig (1) im obersten Stockwerk anhält;
    das Rillenrad (4a) dafür angeordnet ist, gegenüberliegend der Wandfläche des Hebepfads (8) zu sein, und näher an einer Wandfläche des Hebepfads zu sein, als die Rolle (12) des Gegengewichts (2) im Horizontalquerschnitt des Hebepfads (8);
    der Motor (4b) so angeordnet ist, dass er dem Käfig (1) gegenüber liegt;
    die erste Richtungsänderungsrolle (5a) oberhalb der Zugmaschine (4; 4a, 4b) positioniert ist, und auf zumindest ein Teil des Motors (4b) gelegt ist, um den Motor (4b) von der hängenden Rolle (11) des Käfigs (1) bis zu einem Raum zwischen dem Käfig (1) und dem Rillenrad (4a) im horizontalen Querschnitt des Hebepfads (8) zu überlappen und zu queren, so dass das Seil (3) sich von der Rolle (11) des Käfigs (1) über einem Raum zwischen dem Käfig (1) und dem Rillenrad (4a) im horizontalen Querschnitt des Hebepfads (8) erstreckt;
    die erste Richtungsänderungsrolle (5a) eine erste Rotationsfläche hat, die in Bezug auf die eine Wandfläche des Hebepfads (8) geneigt ist;
    die erste Rotationsfläche der ersten Richtungsänderungsrolle (5a) eine erste Seite enthält, wo das Seil (3) sich zur Rolle (11) des Käfigs (1) erstreckt, und eine zweite Seite, wo das Seil (3) sich von dem Rillenrad (4a) erstreckt;
    die erste Seite im horizontalen Querschnitt des Hebepfads (8) weiter entfernt vom Eingang des Käfigs (1) ist als die zweite Seite;
    die zweite Richtungsänderungsrolle (5b) eine zweite Rotationsfläche aufweist, die in Bezug auf die eine Seitenfläche des Hebepfads (8) geneigt ist;
    die zweite Rotationsfläche der zweiten Richtungsänderungsrolle (5b) eine dritte Seite enthält, wo sich das Seil (3) zur Rolle (12) des Gegengewichts (2) erstreckt, und eine vierte Seite, wo sich das Seil (3) von dem Rillenrad (4a) erstreckt; und
    die dritte Seite näher am Käfig (1) angeordnet ist als die vierte Seite, in dem horizontalen Querschnitt des Hebepfads (8).
EP07006531A 1999-12-06 1999-12-06 Aufzugsvorrichtung Expired - Lifetime EP1801062B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE69942377T DE69942377D1 (de) 1999-12-06 1999-12-06 Aufzugsvorrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/JP1999/006807 WO2001042121A1 (en) 1999-12-06 1999-12-06 Elevator device
EP99957414A EP1151955B1 (de) 1999-12-06 1999-12-06 Aufzugsgeraet

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP99957414A Division EP1151955B1 (de) 1999-12-06 1999-12-06 Aufzugsgeraet
EP99957414.8 Division 1999-12-06

Publications (2)

Publication Number Publication Date
EP1801062A1 EP1801062A1 (de) 2007-06-27
EP1801062B1 true EP1801062B1 (de) 2010-05-12

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EP03022130A Expired - Lifetime EP1378479B1 (de) 1999-12-06 1999-12-06 Aufzug
EP07006531A Expired - Lifetime EP1801062B1 (de) 1999-12-06 1999-12-06 Aufzugsvorrichtung
EP99957414A Expired - Lifetime EP1151955B1 (de) 1999-12-06 1999-12-06 Aufzugsgeraet
EP03022129A Expired - Lifetime EP1378478B1 (de) 1999-12-06 1999-12-06 Aufzug

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EP99957414A Expired - Lifetime EP1151955B1 (de) 1999-12-06 1999-12-06 Aufzugsgeraet
EP03022129A Expired - Lifetime EP1378478B1 (de) 1999-12-06 1999-12-06 Aufzug

Country Status (6)

Country Link
EP (4) EP1378479B1 (de)
JP (1) JP3489578B2 (de)
KR (1) KR100473094B1 (de)
CN (2) CN1231411C (de)
DE (3) DE69942377D1 (de)
WO (1) WO2001042121A1 (de)

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JP4825368B2 (ja) * 2001-07-10 2011-11-30 東芝エレベータ株式会社 エレベータ装置
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WO2004041703A1 (ja) * 2002-11-07 2004-05-21 Mitsubishi Denki Kabushiki Kaisha エレベータ装置
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JP4339578B2 (ja) * 2002-11-27 2009-10-07 三菱電機株式会社 エレベータ装置
CN1592712A (zh) * 2002-12-04 2005-03-09 三菱电机株式会社 电梯装置
JPWO2004065275A1 (ja) * 2003-01-23 2006-06-22 三菱電機株式会社 エレベータ装置
CN100341763C (zh) * 2003-03-10 2007-10-10 三菱电机株式会社 电梯装置
JPWO2004101419A1 (ja) * 2003-05-14 2006-07-13 三菱電機株式会社 エレベータ装置
JP4350988B2 (ja) 2003-07-14 2009-10-28 東芝エレベータ株式会社 マシンルームレスエレベータ
JPWO2005082767A1 (ja) * 2004-03-01 2008-01-17 三菱電機株式会社 エレベータ装置
JP4590930B2 (ja) * 2004-05-14 2010-12-01 株式会社日立製作所 エレベーター装置
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JP5665666B2 (ja) * 2011-06-22 2015-02-04 三菱電機株式会社 エレベータ装置
CN102674111B (zh) * 2012-06-04 2015-06-17 日立电梯（中国）有限公司 电梯钢丝绳的绕绳结构
WO2015011756A1 (ja) * 2013-07-22 2015-01-29 三菱電機株式会社 エレベータ装置
JP6218158B2 (ja) * 2014-07-03 2017-10-25 三菱電機株式会社 機械室レスエレベータ
JP2016079010A (ja) * 2014-10-21 2016-05-16 三菱電機株式会社 機械室レスエレベータの改修方法
CN105084171B (zh) * 2015-08-27 2018-02-09 苏州富士电梯有限公司 一种电梯
DE202015007518U1 (de) * 2015-10-29 2015-11-17 Metallverarbeitungsgesellschaft Schubert & Co. (Gmbh & Co. Kg) Munitionsaufzug für Schiffe
JP6158391B1 (ja) * 2016-05-10 2017-07-05 東芝エレベータ株式会社 エレベータ装置
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Also Published As

Publication number Publication date
EP1151955A1 (de) 2001-11-07
EP1378479B1 (de) 2007-03-21
EP1378479A2 (de) 2004-01-07
CN1285498C (zh) 2006-11-22
EP1378478A3 (de) 2004-01-21
EP1151955A4 (de) 2003-05-21
DE69935620T2 (de) 2007-12-06
DE69935620D1 (de) 2007-05-03
EP1801062A1 (de) 2007-06-27
CN1231411C (zh) 2005-12-14
EP1378479A3 (de) 2004-01-21
WO2001042121A1 (en) 2001-06-14
KR20020006515A (ko) 2002-01-19
CN1334779A (zh) 2002-02-06
DE69942377D1 (de) 2010-06-24
DE69936399D1 (de) 2007-08-09
JP3489578B2 (ja) 2004-01-19
DE69936399T2 (de) 2008-02-28
EP1151955B1 (de) 2007-06-27
KR100473094B1 (ko) 2005-03-08
CN1515483A (zh) 2004-07-28
EP1378478A2 (de) 2004-01-07
EP1378478B1 (de) 2006-08-30

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