Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
  • B66B11/0065—Roping
  • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave

Definitions

• the present invention relates to an elevator apparatus in which a hoist is disposed at an upper part in a hoistway.
• Japanese Patent Application Laid-Open No. H10-1393221 discloses an elevator apparatus in which a hoist is disposed at an upper portion in a hoistway.
• this elevator system has a lot of components and a complicated layout because the car and the counterweight are suspended in a 2: 1 roving system. Disclosure of the invention
• the present invention has been made to solve the above problems, and has as its object to provide an elevator apparatus that can reduce the number of constituent devices and simplify the layout. .
• An elevator device is disposed at an upper portion in a hoistway and has a drive sheave, a main rope wound on the drive sheave, and a main rope hung on one end of the main rope. And a counterweight suspended from the other end of the main rope.
• the car and the counterweight are suspended in the hoistway in a one-by-one bing system.
• the device is arranged such that the axis of the drive sheave extends along the vertical direction.
• a second deflecting vehicle for guiding the rope from the driving device to the counterweight is disposed.
• FIG. 1 is a plan view showing an elevator apparatus according to Embodiment 1 of the present invention
• FIG. 2 is a front view showing a main part of the elevator apparatus of FIG.
• FIG. 3 is a perspective view showing the structure of the main rope of FIG. 1,
• FIG. 4 is a plan view showing an elevator apparatus according to Embodiment 2 of the present invention.
• BEST MODE FOR CARRYING OUT THE INVENTION hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
• FIG. 1 is a plan view showing a machine room-less type elevator device according to Embodiment 1 of the present invention
• FIG. 2 is a front view showing a main part of the elevator device of FIG.
• a pair of car guide rails 2 and a pair of counterweight guide rails 3 are installed in a hoistway 1.
• the car 4 is guided up and down the hoistway 1 by the car guide rails 2.
• the counterweight 5 is guided by the counterweight guide rail 3 and is moved up and down in the hoistway 1.
• the car 4 is provided with a plurality of car guide shows 6 that engage with the car guide rails 2.
• the counterweight 5 is provided with a plurality of counterweight guides 17 that engage with the counterweight guide rail 3.
• a support 8 is attached to the upper ends of the guide rails 2 and 3.
• a driving device (hoist) 9 is mounted on the support 8.
• the drive device 9 has a motor 10 and a drive chip 11 rotated by the motor 10.
• the driving device 9 has a thin external shape whose axial length is smaller than its diameter.
• the driving device 9 is arranged such that the axis of the driving sheave 11 extends along the vertical direction. Furthermore, the driving device 9 is arranged above a part of the corner of the car 4.
• a main rope 12 made of a synthetic fiber rope is wound around the driving sheave 11 c.
• a car 4 is suspended from one end of the main rope 12.
• a counterweight 5 is suspended. That is, the car 4 and the counterweight 5 are suspended in the hoistway 1 in a one-by-one bing system.
• One end of the main rope 12 is connected to the upper beam 4 a of the car 4 via the rope shirt 13 and the cushioning material 14.
• the other end of the main rope 1 2 is It is connected to the upper beam 5 a of the counterweight 5 via the impact material 16.
• the support 8 has a first diverting deflecting vehicle 17 that leads the main rope 1 2 from the drive unit 9 to the car 4 and a second diverting direction that guides the main rope 12 from the driving unit 9 to the counterweight 5.
• a deflector car 18 is supported.
• the first and second deflecting deflecting wheels 17 and 18 are arranged such that their rotation axes extend along the horizontal direction. Further, the first and second deflecting deflecting wheels 17 and 18 are arranged so as to overlap with the car 4 and the counterweight 5 in the vertical projection plane.
• the vertical dimension of the first and second deflecting deflecting wheels 17, 18 and the support base 8 is smaller than the thickness dimension of the driving device 9.
• the first and second deflecting deflecting wheels 17, 18 and the support base 8 are arranged within a vertical dimension range of the driving device 9.
• FIG. 3 is a perspective view showing the structure of the main rope 12 of FIG.
• an inner strand layer 24 having a plurality of inner strands 22 and a filling strand 23 arranged in a gap between the inner strands 22 is arranged around the core wire 21.
• Each internal strand 22 is composed of a plurality of aramide fibers and an impregnating material such as polyurethane.
• the filling strand 23 is made of, for example, polyamide.
• An outer strand layer 26 having a plurality of outer strands 25 is arranged on the outer periphery of the inner strand layer 24.
• Each outer strand 25, like the inner strand 22, is composed of a plurality of aramide fibers and an impregnating material such as polyurethane.
• a protective coating layer 28 is arranged on the outer periphery of the outer strand layer 26.
• the car 4 and the counterweight 5 are suspended in the hoistway 1 by a plurality of main ropes 12 having the above structure.
• the load is
• the synthetic fiber rope has a higher coefficient of friction and excellent flexibility compared to the steel rope.
• the driving device 9 is disposed horizontally above the hoistway 1 so that the axis of the driving chip 11 extends in the vertical direction, and the car 4 and the counterweight are provided.
• 5 is suspended in the hoistway 1 in a 1: 1 roving manner, and the first and second deflecting deflectors 17, 18 are arranged in the upper part of the hoistway 1, so the components The layout can be reduced and the layout can be simplified.
• the first and second deflecting deflecting wheels 17 and 18 can be arranged so as to overlap the car 4 and the counterweight 5 so that the layout can be simplified.
• the driving device 9 is disposed above a part of the corner of the car 4, the main cable 1 2 is provided between the driving device 9 and the first and second deflecting deflector wheels 17 and 18. In addition to ensuring a sufficient distance for twisting the shaft, a sufficient winding angle with respect to the drive sheave 11 can be ensured.
• the counterweight 5 is arranged behind the car 4 in the hoistway 1.
• the counterweight 5 is placed on the side of the car 4 in the hoistway 1.
• the present invention can also be applied to an elevator apparatus in which the weights 5 are arranged.
• the driving device 9, the first and second deflecting deflecting wheels 17, 18 are supported on the guide rails 2, 3 via the support base 8. It may be supported by a wall or building.

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)

Priority Applications (5)

Applications Claiming Priority (1)

Publications (1)

Family

ID=11736378

Family Applications (1)

Country Status (5)

Cited By (5)

Families Citing this family (2)

Citations (2)

Family Cites Families (1)

• 2000
  • 2000-08-21 WO PCT/JP2000/005585 patent/WO2002016247A1/ja active Application Filing
  • 2000-08-21 DE DE60043310T patent/DE60043310D1/de not_active Expired - Lifetime
  • 2000-08-21 CN CN00814714.0A patent/CN1184130C/zh not_active Expired - Fee Related
  • 2000-08-21 EP EP00953535A patent/EP1312573B1/en not_active Expired - Lifetime
  • 2000-08-21 JP JP2002521130A patent/JP4675548B2/ja not_active Expired - Fee Related

Patent Citations (2)

Non-Patent Citations (1)

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