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
  • B66B11/0035—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
  • B66B11/04—Driving gear ; Details thereof, e.g. seals
• • 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
  • B66B11/0055—Arrangement of driving gear, e.g. location or support in the hoistway on the counterweight

Definitions

• the present invention relates to a rope type elevator device using a hoisting device, and more particularly to an elevator device having a hoisting device mounted on a counterweight.
• a lift having a thin hoisting machine that fits within the frame of the counterweight has been proposed.
• a thin and relatively large electric motor is required as a hoist used in such an elevator apparatus. Therefore, the rotor is arranged coaxially with the rotation shaft of the drive sheave of the hoist.
• An axial gap type or a radial gap type motor using a permanent magnet is adopted.
• the axial gap type electric motor is such that a stator and a rotor are arranged to face each other in the direction of the rotation axis of the rotor through an air gap.
• 9-63-3 discloses an elevator apparatus in which a hoist using an axial gap type electric motor is mounted on a counterweight.
• a stator and a rotor are arranged so as to be opposed to each other in a direction perpendicular to the rotation axis direction of the mouthpiece through an air gap.
• Type electric motors are also used in hoists.
• an axial gap type motor In order to realize an elevator with a larger loading weight of the elevator car, that is, a large-capacity elevator, in the elevator system in which the hoist is mounted on the counterweight as described above, It is necessary to increase the size of the upper machine.
• an axial gap type motor generally responds by increasing the air gap diameter between the stay and the rotor, but as a result, the motor Has become a large diameter, with the rotor As the size of the bearings supported increases, the thickness of the motor in the direction of the rotor rotation axis also tends to increase at the same time.
• the outer shape of the hoist that is, the dimension in the radial direction and the thickness of the hoist in the drive sheave rotation axis direction are increased.
• the rotor and the stay should generally be made thicker in the mouth-to-mouth rotation axis direction.
• the thickness of the drive shaft in the direction of the rotation axis increases.
• the hoisting machine becomes By increasing the size, if the width of the counterweight frame is not widened, it will not fit. As a result, the horizontal projection area of the hoistway is increased, and the space required for the hoistway is increased. Furthermore, when one hoist is arranged in the frame of the counterweight, it is necessary to have a hoist of a size corresponding to each capacity area in order to cope with an increase in elevator capacity. Also, if a single type of hoisting machine is used to handle a small capacity area to a large capacity area, it is necessary to unify a large capacity and expensive large hoisting machine that can handle all areas, which is unreasonable. .
• the present invention has been made in order to solve the above-mentioned problems, and in an elevator equipped with a hoisting machine with a counterweight, it is necessary to increase the horizontal projection area of the hoistway, that is,
• An object of the present invention is to provide an elevator device that can cope with an increase in the capacity of the elevator without causing a large increase in hoistway space.
• An elevator apparatus suspends a lifting weight that moves up and down in a hoistway, a counterweight that moves up and down in a hoistway, and a lifting weight that moves up and down in the opposite direction.
• the elevator and the counterweight are driven by a hoisting device around which the main rope is wound.
• the hoist used in this hoisting device includes a drive sheave around which a main rope is wound, and an electric motor that rotates the drive sheave.
• the hoisting device has at least two hoisting machines Well, at least one of them is mounted on a counterweight.
• Each of the hoists used in the hoisting device is configured to be mounted on a counterweight.
• At least one of the hoists of the hoisting device is configured as being installed above the hoistway.
• an elevator system capable of coping with an increase in elevator capacity is provided without increasing the horizontal projected area of the hoistway, that is, without increasing the hoistway space required for the building. be able to.
• multiple hoists with the same specifications are used, it is possible to easily make a series of elevators from a small capacity area to a large capacity area simply by adjusting the number of hoists. Become. BRIEF DESCRIPTION OF THE FIGURES
• FIG. 1 is a diagram showing an arrangement example of an elevator apparatus according to Embodiment 1 of the present invention.
• FIG. 2 is a plan view of the elevator apparatus in FIG.
• FIG. 3 is a diagram showing an arrangement example of an elevator apparatus according to Embodiment 2 of the present invention.
• FIG. 4 is a diagram showing an arrangement example of an elevator apparatus according to Embodiment 3 of the present invention.
• FIG. 5 is a diagram showing an example of an arrangement of an elevator apparatus according to Embodiment 4 of the present invention.
• FIG. 6 is a diagram showing an arrangement example of an elevator apparatus according to Embodiment 5 of the present invention.
• FIG. 7 is a diagram showing an arrangement example of an elevator apparatus according to Embodiment 6 of the present invention.
• FIG. 8 is a diagram showing an arrangement example of an elevator apparatus according to Embodiment 7 of the present invention.
• BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in more detail with reference to the accompanying drawings.
• the same or corresponding portions are denoted by the same reference characters, and a duplicate description thereof will be appropriately simplified or omitted.
• FIG. 1 is a diagram showing an example of arrangement of an elevator device according to Embodiment 1 of the present invention.
• FIG. 1 is an elevational view of the elevator device viewed from the horizontal direction of a hoistway
• FIG. 3 is a conceptual diagram showing a state in which an elevator car and a counterweight suspended by a main rope are driven by a hoisting device mounted on the counterweight to ascend and descend in a hoistway.
• Fig. 2 is a plan view of the elevator device in Fig. 1, and this figure mainly shows the arrangement of the hoisting device mounted on the counterweight, and the positional relationship between the elevator device and the counterweight.
• the illustration of the arrangement of deflecting wheels and main ropes is omitted for the purpose of illustration.
• a pair of counterweight guide rails 2 and another pair of elevator car guide rails are installed in the hoistway 1.
• the counterweight 3 is guided by the counterweight guide rail 2 and moves up and down in the hoistway 1.
• Elevator overnight car 4 is guided by the elevator car guide rails and moves up and down in hoistway 1 in the opposite direction to counterweight 3.
• An entrance door 5 is provided in the elevator 4 for the elevator, and one side having the entrance door 5 is defined as the front of the car 4.
• the counterweight 3 is disposed between the back of the car 4 facing the front of the elevator car 4 and the wall 1 a of the hoistway 1.
• the counterweight 3 may be arranged between any one of the side surfaces of the car 4 orthogonal to the front of the elevator car 4 and the wall 1 a of the hoistway 1.
• the hoisting device 10 is configured by using two hoisting machines 11, and the torque necessary for driving the elevator is shared by the two hoisting machines 11.
• Each hoisting machine 11 has a drive sheave 12 around which a main rope 9 is wound, and an electric motor 13 for rotating this drive sheave 12, and is driven in comparison with an outer diameter dimension C.
• Sheave 1 2 Thickness in the rotation axis direction D Are formed small.
• the two hoisting machines 11 are mounted so as not to overlap each other in the horizontal direction but to overlap in the vertical direction in the frame constituting the outer shape of the counterweight 3.
• the counterweight 3 generally has a rectangular cross-section in the horizontal direction that is short in the gap direction between the car 4 and the wall 1a and long in the width direction of the car 4. And has a rectangular parallelepiped shape elongated in the vertical direction. That is, the counterweight 3 is arranged on the horizontal projection plane of the hoistway 1 so as to take up as little space as possible.
• the outer shape of the counterweight 3 is constituted by a frame, and a counterweight for the counterweight is mounted in a lower portion of the frame.
• the hoisting device 10 according to the first embodiment has a length A in the longitudinal direction of the counterweight 3 on the horizontal projection surface of the hoistway 1 (also referred to as a width A of the counterweight 3 in the present invention).
• two hoisting machines 11 are mounted so as to overlap vertically.
• the hoisting device 10 is provided with a hoisting machine 11 in order to prevent the width B in the short direction orthogonal to the above-described size A (also referred to as the thickness B of the counterweight 3 in the present invention) from being expanded. Is mounted on the counterweight 3 so that the thickness direction of the counterweight matches the width direction of the counterweight 3.
• the hoisting device 10 is configured by using two hoists having the same specifications.
• both ends of the main rope 9 are fixed to the upper part of the hoistway 1, and one end of the main rope 9 is wound around two hoisting machines 11 in order starting from the upper part of the hoistway 1.
• the main rope 9 composed of a plurality of ropes has only a single path, and is cascaded and wound around two hoisting machines 11. .
• hoisting device 10 is configured using two hoisting machines 11 As a result, the torque required for driving the elevator all night can be shared by the two hoists 11.
• the hoisting device 10 of the first embodiment does not need to make the outer shape of each hoisting machine 11 large.
• the two hoisting machines 11 are mounted in the frame of the counterweight 3 so as not to overlap each other in the horizontal direction but to overlap in the vertical direction.
• the hoisting device 10 using any type of the electric motor 13 can cope with an elevator having a large capacity without increasing the horizontal projection area of the hoistway.
• the two hoisting machines 11 of the hoisting machine 10 are the hoisting machines 11 of the same specification, the productivity and installation of the hoisting machine 11 are improved. Therefore, when the capacity of the elevator is further increased, it is possible to cope by increasing the number of the hoisting machines 11 of the same specification used for the hoisting apparatus 10. In other words, by adjusting the number of hoists 11, it is possible to easily perform a series of elevators from a small capacity area to a large capacity area.
• FIG. 3 is a diagram showing an example of the arrangement of the elevator device according to the second embodiment of the present invention.
• FIG. 3 is an expanded elevational view of the elevator device viewed from the horizontal direction of the hoistway.
• FIG. 4 is a conceptual diagram showing a state in which an elevator car and a counterweight suspended by a rope are driven up and down in a hoistway by a hoisting device mounted on the counterweight.
• a hoisting device 10 configured by using two hoisting machines 11 is mounted on a counterweight 3.
• the two hoisting machines 1 1 do not overlap each other within the frame of the counterweight 3, It is mounted so as to overlap in the vertical direction. That is, also in this case, the two hoisting machines 11 are arranged so that it is not necessary to increase the width A and the thickness B of the counterweight 3.
• the main rope 9 has only a single path, and is cascaded and wound around two hoisting machines 11.
• the second embodiment is different from the first embodiment only in how the main rope 9 is wound around the drive sheave of the hoisting machine 11 and the arrangement of the deflector 8 for the counterweight accompanying the winding. That is, in the first embodiment, after the main rope 9 having one end fixed to the upper part of the hoistway 1 is wound around two hoisting machines 11 in order, the deflecting wheel 8 for the counterweight is disposed. On the other hand, in the second embodiment, the deflector 8 for the counterweight is disposed between the two hoists 11 on the path of the main rope 9.
• the hoisting device 10 is configured by using two hoisting machines 11, and the torque required for driving the elevator is shared by the two hoisting machines 11. Can be Therefore, it is not necessary to increase the outer shape of each hoist 11 in order to cope with a large capacity elevator.
• the two hoisting machines 11 are mounted in the frame of the counterweight 3 so as not to overlap each other in the horizontal direction but to overlap in the vertical direction. Therefore, it is not necessary to increase the width A and the thickness B of the counterweight 3 in the hoisting device 10 using the motor 13 of either the axial gap type or the radial gap type. It can be used for elevators with large capacity without increasing the horizontal projection area.
• FIG. 4 is a diagram showing an example of the arrangement of the elevator device according to the third embodiment of the present invention.
• FIG. 4 is an elevational view of the elevator device viewed from the horizontal direction of the hoistway.
• FIG. 4 is a conceptual diagram showing a state in which an elevator car and a counterweight suspended by a rope are driven up and down in a hoistway by a hoisting device mounted on the counterweight.
• a hoisting device 10 configured by using two hoisting machines 11 is mounted on a counterweight 3.
• the two hoists 11 are mounted in the frame of the counterweight 3 so as not to overlap each other in the horizontal direction but to overlap in the vertical direction. That is, also in this case, two hoisting machines 11 are arranged so that it is not necessary to increase the width A and the thickness B of the counterweight 3.
• the main rope 9 used in the third embodiment is composed of two sets of main rope units 9a and 9b each composed of a plurality of ropes.
• One end of the main rope unit 9a is fixed to the upper part of the hoistway 1, and is wound around one of the two hoisting machines 11 to be deflected on the hoistway upper side. Leads to.
• the end is fixed above hoistway 1.
• the other main rope unit 9 b has one end fixed to the upper part of the hoistway 1, similarly to the main rope unit 9 a, but then the other of the two hoisting machines 11 1 Machine 1 is wrapped around.
• the hoisting device 10 is configured by using two hoists 11, and the torque required for driving the elevator is shared by the two hoists 11. Can be Therefore, it is not necessary to enlarge the outer shape of each hoist 11 in order to accommodate a large-capacity elevator.
• the two hoisting machines 11 are mounted in the frame of the counterweight 3 so as not to overlap each other in the horizontal direction but to overlap in the vertical direction. Therefore, it is not necessary to extend the width A and the thickness B of the counterweight 3 in the hoisting device 10 using the motor 13 of either the axial gap type or the radial gap type. It can be used for large-capacity elevators without increasing the horizontal projection area.
• FIG. 5 is a diagram showing an example of the arrangement of an elevator device according to Embodiment 4 of the present invention.
• the elevator device is developed from a horizontal view of a hoistway, and It is a conceptual diagram which shows the mode that the suspended elevator car and the counterweight were driven up and down in the hoistway by the hoisting device mounted in the counterweight.
• a hoisting device 10 configured by using two hoisting machines 11 is mounted on a counterweight 3.
• the two hoists 11 are mounted in the frame of the counterweight 3 so that they do not overlap each other in the horizontal direction but overlap in the vertical direction.
• each of the two main rope units 9 a and 9 b is composed of a plurality of mouthpieces. Consists of
• the fourth embodiment differs from the third embodiment in that a deflector 8 for a counterweight is used on the route of one main rope unit 9a.
• a deflector 8 for a counterweight is used on the route of one main rope unit 9a.
• the degree of freedom in the horizontal fixed position of the upper part of the hoistway 1 of the main rope 9 and the mounting position of the hoisting machine 11 in the counterweight 3 can be improved. Can be higher.
• Other configurations and operations are the same as those of the first embodiment, and therefore, the same or equivalent portions are denoted by the same reference numerals and description thereof will be omitted.
• the hoisting device 10 is configured by using two hoisting machines 11, and the torque required for driving the elevator is shared by the two hoisting machines 11.
• each hoist 11 it is not necessary to enlarge the outer shape of each hoist 11 in order to cope with a large capacity elevator.
• the two hoisting machines 11 are mounted in the frame of the counterweight 3 so as not to overlap each other in the horizontal direction but to overlap in the vertical direction. Therefore, it is not necessary to extend the width A and the thickness B of the counterweight 3 in the hoisting device 10 using the motor 13 of either the axial gap type or the radial gap type. It can be used for large-sized elevators without increasing the horizontal projection area.
• Embodiment 5 is a diagrammatic representation of the same effects as those obtained in the first embodiment and the like.
• FIG. 6 is a diagram showing an example of the arrangement of an elevator apparatus according to Embodiment 5 of the present invention.
• FIG. 6 is an expanded elevational view of the elevator apparatus viewed from the horizontal direction of a hoistway.
• FIG. 4 is a conceptual diagram showing a state in which an elevator car and a counterweight suspended by a rope are driven up and down in a hoistway by a hoisting device mounted on the counterweight.
• a hoisting device 10 configured by using two hoisting machines 11 is mounted on the counterweight 3. ing.
• the two hoists 11 overlap each other horizontally in the frame of the counterweight 3, but in the vertical direction. It is mounted so that it does not overlap. That is, the two hoists 11 are arranged side by side in the horizontal direction.
• the main rope 9 used in the fifth embodiment has only a single path similarly to the second embodiment, and is provided between the two hoisting machines 11 on the path of the main rope 9.
• a counterweight deflector car 8 is located at the center.
• One end of the main rope 9 is fixed to the upper part of the hoistway 1, and one of the hoisting machines 11, a counterweight deflector 8, and the other hoisting machine 11 are cascaded and wound in this order. It reaches car 7 at the top of the hoistway.
• After being wrapped around the two hoistway deflectors 7 on the upper side of the hoistway it is sequentially wrapped around a pair of car suspension wheels 6 provided below the elevator car 4 and then ascends again and rises again.
• the end is fixed above hoistway 1.
• Other configurations and operations are the same as those in the first embodiment, and therefore, the same or equivalent portions are denoted by the same reference numerals and description thereof will be omitted.
• the hoisting device 10 is configured by using two hoisting machines 11, the torque necessary for driving the elevator is controlled by the two hoisting machines 1. 1 can be shared. Therefore, it is not necessary to increase the outer shape of each hoisting machine 11 in order to cope with large capacity elevators. Also, since the two hoists 11 are arranged side by side in the horizontal direction, the width A of the counterweight 3 is increased as compared with the other embodiments 1 to 4, but the frame of the counterweight 3 It is possible to place the device with less horizontal gaps in the body. Therefore, when the number of hoisting machines 11 is further increased to accommodate large-capacity elevators, the vertical dimension E of the counterweight 3 Thus, the volume efficiency can be improved in the arrangement of the hoisting machine 11 in the frame of the counterweight 3.
• FIG. 7 is a diagram showing an example of the arrangement of an elevator device according to Embodiment 6 of the present invention.
• FIG. 7 is an expanded elevational view of the elevator device viewed from the horizontal direction of the hoistway.
• FIG. 4 is a conceptual diagram showing a state in which an elevator car and a counterweight suspended by a rope are driven up and down in a hoistway by a hoisting device mounted on the counterweight.
• a hoisting device 10 configured by using two hoisting machines 11 is mounted on a counterweight 3.
• the two hoists 11 are mounted in the frame of the counterweight 3 so as to overlap each other in the horizontal direction but not in the vertical direction.
• the main rope 9 used in the sixth embodiment is composed of two sets of main rope units 9a and 9b, each of which is composed of a plurality of ropes.
• the main rope unit 9a has one end fixed to the upper part of the hoistway 1 and is wound around one of the two hoisting machines 11 1 to form the hoistway upper side deflector 7 Reach. Then, after being wrapped around the two hoistway upper side deflectors 7, it is sequentially wrapped around a pair of car hanging wheels 6 provided below the elevator car 4, and then ascends again and rises again. The end is fixed above hoistway 1.
• the other main rope unit 9 b has one end fixed to the upper part of the hoistway 1, similarly to the main rope unit 9 a, and then the other of the two hoisting machines 1 1 is hoisted. Machine 1 is wrapped around. Subsequent routes are the same as those of the main rope unit 9a, and a description thereof will be omitted. Therefore, the two sets of main rope units 9a and 9b are equipped in parallel and are wound around different hoists. Other configurations and operations thereof are the same as those of the first embodiment and the like, and therefore, the same or corresponding portions are denoted by the same reference numerals and description thereof will be omitted.
• the hoisting device 10 is configured by using two hoisting machines 11, the torque required for driving the elevator can be reduced by the two hoisting machines 1. 1 can be shared. Therefore, it is not necessary to increase the outer shape of each hoisting machine 11 in order to cope with large capacity elevators. Also, the two winding machines 1 1 are horizontal Since the width A of the counterweight 3 is increased as compared with the other embodiments 1 to 4, the arrangement in which the useless horizontal gap in the frame of the counterweight 3 is reduced. It becomes possible.
• the increase in the vertical dimension E of the counterweight 3 can be suppressed as much as possible, and the frame of the counterweight 3 It is possible to improve the volumetric efficiency in disposing the hoisting machine 11 in the body. .
• FIG. 8 is a diagram showing an example of the arrangement of an elevator device according to a seventh embodiment of the present invention.
• FIG. 8 is an elevational view of the elevator device viewed from the horizontal direction of the hoistway
• FIG. FIG. 4 is a conceptual diagram showing a state in which an elevator car and a counterweight suspended by a rope are driven up and down in a hoistway by a hoisting device mounted on the counterweight.
• the hoisting device 10 is configured using two hoisting machines 11 as in the other embodiments.
• one hoisting machine 11 is mounted on the counterweight 3
• the other hoisting machine 11 is mounted on the hoistway 1 at the top, as viewed from the vertical direction. It is installed to overlap with the weight 3.
• the counterweight 3 is installed between a pair of opposing guide rails 2 above the elevating section of the counterweight 3 that is guided and raised by the counterweight guide rail 2. Therefore, also in this case, the two hoisting machines 11 are arranged so that it is not necessary to increase the width A and the thickness B of the counterweight 3.
• the main rope 9 used in the seventh embodiment has only a single path.
• One end of the main rope 9 is fixed to the upper part of the hoistway 1.
• the main rope 9 is cascade-wound around two hoisting machines 11 to reach the hoistway upper side deflector car 7.
• Other configurations and operations are the same as those in the first embodiment, and therefore, the same or equivalent portions are denoted by the same reference numerals and description thereof will be omitted.
• the hoisting device 10 is configured by using two hoisting machines 11. As a result, the torque required for driving the elevator can be shared between the two hoists 11. Therefore, it is not necessary to increase the outer shape of each hoist 11 in order to cope with a large capacity elevator. Further, the two hoisting machines 11 are mounted in the frame of the counterweight 3 so as not to overlap each other in the horizontal direction but to overlap in the vertical direction. Therefore, it is not necessary to increase the width A and the thickness B of the counterweight 3 in the hoisting device 10 using the motor 13 of either the axial gap type or the radial gap type. It can be used for elevators with large capacity without increasing the horizontal projection area.
• the number of hoisting machines 11 is two. It is not limited to a table, but if at least one hoisting machine 1 1 is mounted on the counterweight 3 and the remaining plural hoists 11 are mounted on the counterweight 3 or installed on the hoistway 1 Good.
• the hoisting device 10 is composed of n hoisting machines 11 of the same specification, the elevator having n times the capacity can be realized without increasing the width A and the thickness B of the counterweight 3. Will be able to respond. Therefore, by adjusting the number of the hoisting machines 11 mounted on the hoisting device 10, the elevator capable of handling from the small capacity area to the large capacity area of the elevator without increasing the horizontal projection area of the hoistway 1. Overnight equipment can be provided.
• the elevator apparatus according to the present invention can cope with an increase in the capacity of the elevator without increasing the horizontal projection area of the hoistway, that is, without increasing the hoistway space required for the building. It is possible to make up the night. Also
• the present invention is excellent in productivity and installation efficiency without compromising the advantages of a space-saving elevator in which a hoisting device is mounted on a counterweight, and is capable of responding to an increase in capacity of an elevator. Useful as an overnight device.

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• 2003
  • 2003-02-13 WO PCT/JP2003/001470 patent/WO2004071926A1/ja active Application Filing
  • 2003-02-13 CN CNB038050129A patent/CN100333991C/zh not_active Expired - Fee Related
  • 2003-02-13 KR KR1020047016333A patent/KR100688730B1/ko not_active IP Right Cessation
  • 2003-02-13 EP EP03705095A patent/EP1593640B1/en not_active Expired - Fee Related
  • 2003-02-13 JP JP2004568177A patent/JP4429920B2/ja not_active Expired - Fee Related

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