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
  • B66B11/04—Driving gear ; Details thereof, e.g. seals
  • B66B11/08—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
• • 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
• • 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
  • B66B7/00—Other common features of elevators
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B7/00—Other common features of elevators
  • B66B7/06—Arrangements of ropes or cables

Definitions

• the present invention relates to a traction elevator device in which a car and a counterweight are moved up and down in a hoistway by a driving force of a driving device.
• an elevator apparatus in which a thin hoisting machine is horizontally disposed above the hoistway has been proposed.
• the drive sheave of the thin hoisting machine is rotated around a rotating shaft arranged in the vertical direction by a flat thin motor.
• first and second turning sheaves that are horizontally spaced from the drive sheave.
• the car and the counterweight are suspended by a plurality of main ropes wound around the first turning pulley, the drive sheave, and the second turning pulley in this order (see Patent Document 1).
• Patent Document 1 Japanese Patent Laid-Open No. 2001-48450
• the present invention has been made in order to solve the above-described problems, and saves the hoistway.
• An object of the present invention is to obtain an elevator apparatus capable of achieving a pace.
• An elevator apparatus includes a drive device having a drive sheave rotated about a rotation shaft arranged along the vertical direction, a first main rope wound around the drive sheave, and a second main rope.
• the main rope, the first main rope and the second main rope are suspended on the common cage, the first main rope and the second main rope which are lifted and lowered in the hoistway by the rotation of the drive sheave.
• the first main rope and the second main rope are at least one of a force that the rotational axis of the drive sheave receives from the first main rope and a force that the rotational axis of the drive sheave receives the second main rope force.
• Each part is wound around the drive sheave so that the parts cancel each other out!
• FIG. 1 is a perspective view showing an elevator apparatus according to Embodiment 1 of the present invention.
• FIG. 2 is a top view showing the elevator apparatus of FIG. 1.
• FIG. 3 is a perspective view showing an elevator apparatus according to Embodiment 2 of the present invention.
• FIG. 4 is a top view showing the elevator apparatus of FIG. 3.
• FIG. 5 is a top view showing an elevator apparatus according to Embodiment 3 of the present invention.
• FIG. 1 is a perspective view showing an elevator apparatus according to Embodiment 1 of the present invention.
• FIG. 2 is a top view showing the elevator apparatus of FIG.
• a lift 2 and a counterweight 3 are provided in the hoistway 1 so as to be lifted and lowered.
• a machine room 4 is provided in the upper part of the hoistway 1.
• the driving device 5 is a thin type lifting machine having a radial dimension larger than an axial dimension.
• the drive device 5 has a flat drive device body 6 including a thin motor, and a drive sheave 8 that is rotated by the drive force of the drive device body 6.
• the drive sheave 8 is rotated around a rotating shaft 7 (FIG. 2) arranged along the up and down direction.
• the driving device 5 is horizontally arranged so that the rotating shaft 7 is arranged along the vertical direction. Further, the drive device 5 is arranged so that the drive sheave 8 is located above the drive device body 6.
• a plurality of first main ropes 9 and a plurality of second main ropes 10 are wound around the drive sheave 8.
• Each first main rope 9 has a first car suspension end portion 9a and a first weight suspension end portion 9b.
• Each second main rope 10 has a second car suspension end portion 10a and a second weight suspension end portion 10b.
• the force 2 is suspended from the first car suspension end 9a and the second car suspension end 1 Oa, and the counterweight 3 is suspended from the first weight suspension end 9b and the second weight suspension end 10b. It is suspended. That is, each first main rope 9 and each second main rope 10 suspend a common car 2 and a common counterweight 3.
• first car side deflector 11 for guiding each first main rope 9 to the force 2 and a second car side for guiding each second main rope 10 to the car 2.
• a horizontal turning wheel 15 is provided in the machine room 4 for changing the direction of each first main rope 9 in the horizontal direction.
• the first car side deflector 11 and the second car side deflector 12 are arranged above the car 2, and the first weight side deflector 13 and the second weight side deflector 14 are counterweights. It is arranged above 3. Also, the first car side deflector 11, the second car side deflector 12, the first weight side deflector 13 and the second weight side deflector 14 are separated from each other, and the drive sheave 8 Are spaced apart from each other in the horizontal direction. Furthermore, the first car side deflector 11, the second car side deflector 12, the first weight side deflector 13 and the second weight side deflector 14 are rotated in a horizontal direction. Each axis can be rotated around the axis.
• the horizontal turning wheel 15 is rotatable about a rotation shaft arranged along the vertical direction. Further, the horizontal turning wheel 15 includes a driving sheave 8 of each first main rope 9 and a first weight side element. The portion between the rake wheel 13 is wound around. Further, the horizontal turning wheel 15 is arranged in a position farther from the first weight side deflector 13 than the drive sheave 8 in the vertical projection plane of the hoistway 1.
• the upper portion of the car 2 is provided with a first car rope stopper 16 and a second car rope stopper 17 that are spaced apart from each other in the horizontal direction.
• the first and second car rope stoppers 16 and 17 are arranged symmetrically with respect to the center of the force 2 in the vertical projection plane of the hoistway 1 (FIG. 2).
• a first car suspending end 9a is connected to the first car tie stop 16 and a second car suspending end 10a is connected to the second force tie stop 17.
• first weight leash stopper 18 On the upper part of the counterweight 3, there are provided a first weight leash stopper 18 and a second weight leash lug 19 that are spaced apart from each other in the horizontal direction.
• the first and second weight rope stops 18, 19 are arranged symmetrically with respect to the center of the counterweight 3 in the vertical projection plane of the hoistway 1 (FIG. 2).
• a first weight suspension end portion 9b is connected to the first weight rope stop portion 18, and a second weight suspension end portion 10b is connected to the second weight rope stop portion 19.
• Each first main rope 9 is connected to the first force side deflector 11, drive sheave 8, horizontal turning wheel 15, and first weight side deflector 13 from the first car suspension end 9a. And reaches the first weight lifting end 9b.
• Each second main rope 10 is wound around the second car suspension end 10a in the order of the second car side deflector 12, the drive sheave 8, and the second weight side deflector 14. The weight suspension end 10b has been reached.
• the first main rope 9 includes a first force side deflector 11, a drive sheave 8, a horizontal turning wheel 15, and a first weight side deflector that do not intersect each other in the vertical projection plane of the hoistway 1. 13 is continuously strung (Fig. 2).
• first and second main ropes 9 and 10 are sandwiched between the first and second main ropes 9 and 10 in the projection plane in the direction along the rotation axis of the drive sheave 8. It is wound around the drive sheave 8. That is, the first main rope 9 is wound around the outer peripheral portion opposite to the outer peripheral portion of the drive sheave 8 around which the second main rope 10 is wound. In addition, each first main rope 9 is driven.
• a portion wound while contacting the groove 8 (contact winding portion of the first main rope 9) 20 and a portion where each second main rope 10 is wound while contacting the drive sheave 8 (first contact) 2 is symmetrical with respect to the rotation axis 7 of the drive sheave 8 in the projection plane in the direction along the rotation axis of the drive sheave 8 (Fig. 2). .
• the rotation shaft 7 of the drive sheave 8 is perpendicular to the axial direction of the rotation shaft 7 from each of the first main rope 9 and each second main rope 10 wound around the drive sheave 8. Receive the power in any direction. At least a part of the force that the rotating shaft 7 receives from each of the first main ropes 9 and the force that the rotating shaft 7 receives from each of the second main ropes 10 is the contact winding portion 20 of the first main rope 9. And the contact between the second main rope 10 and the winding part 21 are symmetrical with respect to the rotation axis 7, so that they cancel each other.
• Each first main rope 9 and each second main rope 10 are moved by rotating the drive sheave 8.
• the force 2 and the counterweight 3 are moved up and down in the hoistway 1 by the movement of each first main rope 9 and each second main rope 10.
• the first and second main ropes 9, 10 respectively wound around the drive sheave 8 are selectively wound around the respective deflecting wheels 11 to 14, respectively.
• the common car 2 and the common counterweight 3 are suspended by the first and second main ropes 9 and 10 by changing the direction of the main rope 9 in the horizontal direction by the horizontal turning wheel 15. Therefore, it is possible to prevent all the main ropes from being wound around each of the baffle wheels 11 to 14, and to reduce the number of main ropes wound around each of the baffle wheels 11 to 14. Thereby, the number of grooves of each deflector wheel 11-14 can be reduced, and the thickness dimension of each deflector wheel 11-14 can be reduced. Therefore, each baffle 11-14 can be brought closer to the drive sheave 8 while keeping the main rope approaching angle with respect to the groove of each baffle in a predetermined range, and the horizontal dimension of the hoistway 1 can be reduced. It is possible to make it easier.
• the first shaft is such that at least a part of the force that the rotating shaft 7 receives from each first main rope 9 and the force that the rotating shaft 7 receives from each second main rope 10 cancel each other. Since the second main ropes 9 and 10 are wound around the drive sheave 8, respectively, the load that the rotary shaft 7 of the drive sheave 8 substantially supports can be reduced, and the small size of the drive device 5 can be reduced. You can make a habit. This Therefore, the space of the hoistway 1 can be saved.
• the contact wrapping portion 20 of the first main rope 9 and the contact wrapping portion 21 of the second main rope 10 are within the projection plane in the direction along the rotation axis 7 of the drive sheave 8.
• the driving device 5 can be further reduced in size.
• first car rope stop 16 connected to the first car suspension end 9a and the second car rope stop 17 connected to the second car suspension end 10a are connected to the car. Since the first and second car rope stoppers 16 and 17 are arranged symmetrically with respect to the center of the car 2 in the vertical projection plane of the hoistway 1, the force car 2 is stabilized. Can be hung.
• FIG. 3 is a perspective view showing an elevator apparatus according to Embodiment 2 of the present invention.
• the machine room in the first embodiment is not provided in the upper part of the hoistway 1. That is, the elevator apparatus according to Embodiment 2 is a machine room-less elevator.
• the drive unit 5, the first force side deflector 11, the first force side deflector 12, the first weight side deflector 13, the second weight side deflector 14 and the horizontal turning vehicle 15 are The upper part of the hoistway 1 is provided.
• FIG. 4 is a top view showing the elevator apparatus of FIG.
• the portion of the first main rope 9 wound around the horizontal turning wheel 15 and the portion of the first main rope 9 wound around the drive sheave 8 are bent in the same direction.
• a portion between the driving sheave 8 of the first main rope 9 and the first weight side deflector 13 and between the driving sheave 8 of the first main rope 9 and the first car side deflector 11 intersect each other in the vertical projection plane of the hoistway 1.
• the portion of the first main rope 9 between the horizontal turning wheel 15 and the first weight side deflector 13, the drive sheave 8 of the first main rope 9 and the first car side deflector 11 The part between and crosses each other.
• the first and second main ropes 9, 10 are connected to each other between the contact winding portion 20 of the first main rope 9 and the second main rope 10 in the projection plane in the direction along the rotation axis 7. It is wound around the drive sheave 8 so that the contact winding portion 21 sandwiches the rotating shaft 7.
• the first main rope 9 The positions of the contact wrapping portion 20 and the contact wrapping portion 21 of the second main rope 10 are arranged in a completely symmetrical position with respect to the rotating shaft 7. Other configurations are the same as those in the first embodiment.
• the driving device 5 the first car side deflector 11, the first car side deflector 12, the first weight side deflector 13, the second weight side deflector 14 and the horizontal turning vehicle Since 15 is provided in the upper part of the hoistway 1, the machine room can be eliminated, and the space of the hoistway 1 can be further reduced.
• FIG. 5 is a top view showing an elevator apparatus according to Embodiment 3 of the present invention.
• the portion between the driving sheave 8 of the first main rope 9 and the horizontal turning wheel 15 and between the driving sheave 8 of the first main rope 9 and the first force side deflector 11 are shown. And cross each other in the vertical projection plane of the hoistway 1. Further, only a part of the contact winding portion 20 of the first main rope 9 and the contact winding portion 21 of the second main rope 10 are mainly in the projection plane in the direction along the rotation axis 7.
• the cord wraps 31 overlap each other. Other configurations are the same as those in the second embodiment.
• the contact wrapping portion 20 of the first main rope 9 and the contact wrapping portion 21 of the second main rope 10 are partially in the projection plane in the direction along the rotation axis 7. Only overlap each other Thus, the contact area between each of the first and second main ropes 9 and 10 and the drive sheave 8 can be increased. Therefore, it is possible to prevent the first and second main ropes 9 and 10 from slipping with respect to the drive sheave 8.
• the cage 2 and the cage weight 3 are suspended by the first and second main ropes 9 and 10 connected to the cage 2 and the balance weight 3.
• the counterweight 3 are provided with a car suspension car and a weight suspension car, respectively, and the ends of the first and second main ropes wound around the force suspension car and the weight suspension car are respectively connected to the upper part of the hoistway 1. You can also hang the force 2 and the counterweight 3 by connecting to the machine room!

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• 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)

Priority Applications (5)

Applications Claiming Priority (1)

Publications (1)

Family

ID=38778235

Family Applications (1)

Country Status (5)

Cited By (2)

Families Citing this family (1)

Citations (3)

Family Cites Families (2)

• 2006
  • 2006-06-01 JP JP2007515719A patent/JP5031558B2/ja not_active Expired - Fee Related
  • 2006-06-01 EP EP06756872A patent/EP2022744A4/en not_active Withdrawn
  • 2006-06-01 CN CNA2006800504878A patent/CN101356112A/zh active Pending
  • 2006-06-01 KR KR1020087014163A patent/KR101011280B1/ko not_active IP Right Cessation
  • 2006-06-01 WO PCT/JP2006/310991 patent/WO2007138707A1/ja active Application Filing

Patent Citations (3)

Non-Patent Citations (1)

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