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
  • B66B11/0065—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 drive device for raising and lowering a car and a counterweight is arranged at an upper part of a hoistway.
• an elevator apparatus in which a hoisting machine is horizontally arranged above the hoistway in order to reduce the height of the hoistway.
• the axis of rotation of the sheave drive sheave is perpendicular to the horizontal plane.
• a main rope is wound around the driving sheave horizontally.
• At the top of the hoistway there are two turning sheaves that change the direction of the main rope from horizontal to vertical.
• the car and the counterweight are suspended in a hoistway by a main rope turned by a turning sheave (see Patent Document 1).
• Patent Document 1 JP 2000-255933 A
• the present invention has been made to solve the above-described problems, and an object thereof is to provide an elevator apparatus capable of reducing the size of the entire apparatus.
• the elevator apparatus includes a first drive sheave having a first drive sheave and a second drive sheave disposed on an upper part of the hoistway so that a rotation axis of the first drive sheave is perpendicular to a horizontal plane.
• the drive sheave has a second drive device arranged at the upper part of the hoistway so that the rotation axis of the second drive sheave is perpendicular to the horizontal plane.
• the first drive that includes the first end and the second end connected to the upper part of the hoistway, the counterweight that is raised and lowered in the hoistway by the driving force of the first and second driving devices Sheave
• the first car suspension car which is provided on the main rope body and the force cage that suspends the counterweight in the hoistway, and the part between the first drive sheave and the first end of the first main rope is wound around A second car suspension wheel provided on the counterweight and wound around the portion between the second drive sheave and the third end of the second main rope, provided on the counterweight, and on the first main rope (1)
• 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 the elevator apparatus of FIG. 1.
• FIG. 3 is a plan view showing an elevator apparatus according to Embodiment 2 of the present invention.
• FIG. 4 is a front view showing the elevator apparatus of FIG. 3.
• FIG. 5 is a plan view showing an elevator apparatus according to Embodiment 3 of the present invention.
• FIG. 6 is a front view showing the elevator apparatus of FIG.
• FIG. 7 is a plan view showing an elevator apparatus according to Embodiment 4 of the present invention.
• FIG. 8 is a front view showing the elevator apparatus of FIG.
• 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 the elevator apparatus of FIG.
• a pair of car guide rails and a pair of counterweight guide rails are installed in the hoistway 1 (V, neither of which is shown).
• the force 2 is guided up and down in the hoistway 1 by being guided by each force guide rail, and the counterweight 3 is moved up and down in the hoistway 1 by being guided by each counterweight guide rail.
• the straight line connecting the car guide rails and the straight line connecting the counterweight guide rails on the vertical projection plane of the hoistway 1 are straight lines extending along the width direction of the hoistway 1. Each parallel to the line.
• the cage 2 includes first and second side portions 2a, 2b facing each other between the car guide rails, a front portion 2c provided with a force inlet / outlet 4, and a rear portion facing the front portion 2c. 2d.
• a pair of car doors 5 for opening and closing the car doorway 4 are provided on the front surface portion 2c.
• the dimension in the width direction of the cage 2 (the dimension between the outer surfaces of the first and second side surfaces 2a and 2b) is the same as the dimension in the depth direction of the cage 2 (each of the front surface 2c and the rear surface 2d). It is larger than the dimension between the outer surfaces.
• the counterweight 3 is opposed to the back surface portion 2 d on the vertical projection plane of the hoistway 1. That is, when the hoistway 1 is vertically projected, the counterweight 3 is arranged behind the area of the force 2 in the depth direction of the force 2.
• first and second drive devices for raising and lowering the car 2 and the counterweight 3
• the first and second drive units 12 and 13 are arranged at intervals in the width direction of the hoistway 1. Further, the first and second driving devices 12 and 13 are disposed in the area of the force 2 on the vertical projection plane of the hoistway 1. Further, the first and second driving devices 12 and 13 are arranged at substantially the same height.
• the first drive device 12 includes a first drive device body 14 including a motor and a brake, and a first drive sheave 15 rotated by the first drive device body 14.
• the second drive device 13 has a second drive device main body 16 including a motor and a brake, and a second drive sheave 17 rotated by the second drive device main body 16.
• the first and second drive units 12 and 13 have an axial dimension that is larger than the radial size of the first and second drive unit main bodies 14 and 16 or the radial size of the first and second drive sheaves 15 and 17. It is considered to be a small thin-type aircraft.
• the first and second drive devices 12, 13 are respectively horizontal (the rotation axes of the first and second drive sheaves 15, 17 are horizontal so that they are perpendicular to a horizontal plane (including a substantially horizontal plane). (Including almost horizontal).
• the first and second drive units 12 and 13 are arranged such that the positions of the first and second drive sheaves 15 and 17 are above the first and second drive unit main bodies 14 and 16, respectively. .
• a main rope body 18 is wound around the first and second drive sheaves 15 and 17 to suspend the force 2 and the counterweight 3 in the hoistway 1.
• the main rope body 18 is connected to the first drive sheave 15.
• a plurality of first ropes 19 (only one is shown in the figure) wound almost horizontally and a plurality of first ropes (only one is shown in the figure) wound almost horizontally around the second drive sheave 17 2 main ropes.
• a pair of first car suspension vehicles 25, 26 around which a first main rope 19 is wound, and a pair of second car suspension vehicles around which a second main rope 20 is wound, are provided below the cage 2.
• 27 and 28 are provided.
• the first car suspension car 25 and the second car suspension car 27 are provided on the first side surface 2a side of the lower part of the force car 2, and the first car suspension car 26 and the second car suspension car 28 are provided on the car 2 side. It is provided on the lower second side surface portion 2b side.
• the first and second counterweight suspension vehicles 29 and 30 are provided side by side in the width direction of the counterweight 3.
• first and second car-side rope stops 21, 22 and first and second counterweight-side rope stops 23, 24 At the upper part of the hoistway 1, there are provided first and second car-side rope stops 21, 22 and first and second counterweight-side rope stops 23, 24.
• the first car-side rope stopper 21 is disposed above the first car suspension 26, and the second car-side rope stopper 22 is disposed above the second car suspension 27.
• the first counterweight side leash stop 23 is disposed above the first counterweight suspension car 29, and the second counterweight side leash stop 24 is above the second counterweight hoist 30. It is arranged.
• the first main rope 19 includes a first end 19a connected to the first car side rope stopper 21 and a second end 19b connected to the first counterweight side rope stopper 23.
• the second main rope 20 includes a third end 20a connected to the second car side rope stopper 22 and a fourth end 20b connected to the second counterweight side rope stopper 24. Have.
• first main rope 19 between the first drive sheave 15 and the first end 19a is wound around the first car suspension wheels 25, 26, and the second car suspension wheels 27,
• a portion between the second drive sheave 17 and the third end portion 20a of the second main rope 20 is wound around the second main rope 20.
• the first counterweight suspension wheel 29 is wrapped around the portion of the first main rope 19 between the first drive sheave 15 and the second end 19b.
• the portion of the second main rope 20 between the second drive sheave 17 and the fourth end 20b is wound around.
• a first car side return wheel 31 for guiding the first main rope 19 to the first car suspension wheel 25 and a first main rope 19 for the first counterweight suspension wheel 29 First counterweight side return car 32 leading to the second car side return wheel 33 leading the second main rope 20 to the second car suspension car 28 and second main port group 20 hanging from the second counterweight
• a second counterweight return wheel 34 that leads to the car 30 is arranged.
• the rotation axes of the first car side return wheel 31, the first counterweight side return wheel 32, the second car side return wheel 33, and the second counterweight side return wheel 34 are horizontal (including almost horizontal). It is arranged.
• the first car-side return wheel 31 is disposed above the first car suspension wheel 25, and the second car-side return wheel 33 is disposed above the second car suspension wheel 28.
• the first counterweight wheel 32 is located above the first counterweight suspension car 29, and the second counterweight wheel 34 is located above the second counterweight suspension car 30! RU
• the first and second main ropes 19, 20 extending substantially horizontally from the first drive sheave 15 are turned in a substantially vertical direction by the return wheels 31-34. For this reason, the return wheels 31-34 are arranged at substantially the same height as the first and second drive units 12, 13.
• a second turning sheave 36 around which a portion between the second driving sheave 17 of the main rope 20 and the second car side return wheel 33 is wound is disposed.
• the first and second turning sheaves 35 and 36 are arranged in the region of the car 2 on the vertical projection plane of the hoistway 1.
• the rotation axes of the first and second turning sheaves 35 and 36 are arranged perpendicular to a horizontal plane (including a substantially horizontal plane). Further, the first and second turning sheaves 35 and 36 are arranged at substantially the same height as the first and second drive sheaves 15 and 17.
• the car 2 and the counterweight 3 are suspended in the hoistway 1 by the first main rope 19 and the second main rope 20 in a 2: 1 rolling manner. That is, the first main rope 19 includes, from the first end 19a, the first car suspension wheels 26, 25, the first car side return wheel 31, the first turning sheave 35, the first drive sheave 15, the first The counterweight side return wheel 32 and the first counterweight suspension wheel 29 are wound in this order, and reach the second end 19b.
• the second main rope 20 extends from the third end 20a to the second car suspension wheels 27, 28, the second car side return wheel 33, the second turning sheave 36, the second drive sheave 17, the second The counterweight side return wheel 34 and the second counterweight suspension wheel 30 are wound in this order and reach the fourth end 2 Ob.
• the first and second driving devices 12, 13, and the first and second turning sheaves 35, 36 are the cars 2 along the depth direction of the hoistway 1.
• the center lines are arranged symmetrically.
• a control device (not shown) for controlling the first and second driving devices 12 and 13 is provided in the hoistway 1.
• the first and second driving devices 12 and 13 are driven in synchronization with each other by a signal from the control device. Accordingly, the first and second drive sheaves 15 and 17 are rotated in synchronization with each other, and the force 2 and the counterweight 3 are raised and lowered.
• the force 1 and the counterweight 3 are moved up and down in the hoistway 1 by the driving force of the first and second driving devices 12 and 13, and the force Since the 2 and the counterweight 3 are suspended in the hoistway 1 by the first main rope 19 and the second main rope 20 in a 2: 1 roving manner, the first and second driving devices 12, 13
• the first and second drive units 12 and 13 can be reduced in size.
• the length of the hoistway 1 in the height direction can be shortened, and the horizontal cross-sectional area of the hoistway 1 can be reduced. Therefore, the whole elevator apparatus can be reduced.
• the return wheels 31-34 for guiding the first and second main ropes 19, 20 to the suspension wheels 25-30 are provided at the upper part of the hoistway 1, the first and second main ropes extending substantially horizontally are provided. 2
• the main ropes 1 and 20 can be turned almost vertically, and the first and second drive sheaves 19 and 20 without interfering with the force 2 and the counterweight 3 are returned to the return wheels 31-34. 1 and 2 main ports 19, 20 can be led.
• the first turning sheave 35 around which the portion between the first drive sheave 15 of the first main rope 19 and the first car side return wheel 31 is wound is disposed at the upper part of the hoistway 1.
• the winding angle of the first main port 19 with respect to the first drive sheave 15 and the first turning sheave 35 can be ensured, and the traction ability can be increased.
• the driving force of the first driving device 12 can be more reliably transmitted to the first main rope 19, and the force 2 and the counterweight 3 can be It can be raised and lowered more reliably.
• a second turning sheave 36 around which a portion between the second drive sheave 17 of the second main rope 20 and the second car side return wheel 33 is wound is disposed in the upper part of the hoistway 1. Therefore, the winding angle of the second main rope 20 with respect to the second drive sheave 17 and the second turning sheave 36 can be secured, and the traction ability can be increased. Thereby, the driving force of the second driving device 13 can be more reliably transmitted to the second main rope 20, and the force 2 and the counterweight 3 can be raised and lowered more reliably.
• first and second driving devices 12 and 13 are arranged in the area of the car 2 on the vertical projection plane of the hoistway 1, the horizontal cross-sectional area of the hoistway 1 can be further reduced. Therefore, the entire elevator device can be further reduced.
• the force of the first main rope 19 between the first drive sheave 15 and the first car side return wheel 31 is wound around the first turning sheave 35.
• a portion of the first main rope 19 between the first drive sheave 15 and the first counterweight side return wheel 32 may be wound around the first turning sheave 35.
• the winding angle of the first main rope 19 with respect to the first drive sheave 15 and the first turning sheave 35 can be secured, and the traction ability can be increased.
• the force between the second driving sheave 17 of the second main rope 20 and the second car side return wheel 33 is wound around the second turning sheave 36.
• a portion of the second main rope 20 between the second drive sheave 17 and the second counterweight side return wheel 34 may be wound around the second turning sheave 36. Even in this case, the winding angle of the second main rope 20 with respect to the second drive sheave 17 and the second turning sheave 36 can be secured, and the traction ability can be increased.
• FIG. 3 is a plan view showing an elevator apparatus according to Embodiment 2 of the present invention.
• FIG. 4 is a front view showing the elevator apparatus of FIG.
• the size of the cage 2 in the width direction is smaller than the size of the force cage 2 in the depth direction.
• the first and second driving devices 12 and 13 are arranged at intervals in the depth direction of the hoistway 1.
• the first turning sheave 35 includes the first driving sheave 15 of the first main rope 19 and the first counterweight side. The part between the return wheel 32 is wound. Furthermore, a portion between the second drive sheave 17 of the second main rope 20 and the second counterweight side return wheel 34 is hung on the second turning sheave 36.
• Other configurations are the same as those in the first embodiment.
• the dimension of the car 2 in the depth direction is larger than the dimension of the car 2 in the width direction, and the counterweight 3 is arranged behind the area of the car 2 on the vertical projection plane of the hoistway 1.
• the first and second driving devices 12 and 13 can be arranged in the area of the force 2 on the vertical projection plane of the hoistway 1, and the horizontal cross-sectional area of the hoistway 1 can be increased. It can be made smaller.
• the portion of the first main rope 19 between the first drive sheave 15 and the first counterweight-side return wheel 32 is wound around the first turning sheave 35.
• the force between the first drive sheave 15 of the first main rope 19 and the first car side return wheel 31 may be wound around the first turning sheave 35.
• the portion of the second main rope 20 between the second drive sheave 17 and the second counterweight side return wheel 34 is wound around the second turning sheave 36.
• the force between the second drive sheave 17 of the second main rope 20 and the second car side return wheel 33 may be wound around the second turning sheave 36!
• FIG. 5 is a plan view showing an elevator apparatus according to Embodiment 3 of the present invention.
• FIG. 6 is a front view showing the elevator apparatus of FIG.
• the dimension of the cage 2 in the width direction is larger than the dimension of the cage 2 in the depth direction.
• the counterweight 3 faces the second side surface portion 2b on the vertical projection plane of the ascending / descending path 1. That is, when the hoistway 1 is vertically projected, the counterweight 3 is arranged on the lateral side of the region of the force 2 in the width direction of the force 2.
• the first and second driving devices 12 and 13 are arranged so as to be shifted in the width direction and the depth direction of the hoistway 1.
• the second car side rope stopper 22 is disposed above the second car suspension wheel 28.
• a third end 20a of the second main rope 20 is connected to the second car side rope stopper 22.
• the second car side return wheel 33 is disposed above the second car suspension wheel 27.
• the second main rope 20 extends from the third end 20a to the second car suspension car 28, the second car suspension car 27, the second car side return wheel 33, and the second turning.
• the sheave 36, the second drive sheave 17, the second counterweight side return wheel 34, and the second counterweight suspension wheel 30 are wound in this order, and reach the fourth end 20b.
• Other configurations are the same as those in the first embodiment.
• the dimension in the width direction of the car 2 is larger than the dimension in the depth direction of the car 2, and the counterweight 3 on the vertical projection plane of the hoistway 1 is the lateral side in the width direction of the area of the car 2.
• 1 and 2 can be arranged in the area of the force 2 on the vertical projection plane of the hoistway 1, and the hoistway 1 horizontal The cross-sectional area can be reduced.
• FIG. 7 is a plan view showing an elevator apparatus according to Embodiment 4 of the present invention.
• FIG. 8 is a front view showing the elevator apparatus of FIG.
• the size of the cage 2 in the width direction is smaller than the size of the force cage 2 in the depth direction.
• the first and second driving devices 12 and 13 are arranged at intervals in the depth direction of the hoistway 1.
• Other configurations are the same as those in the third embodiment.
• the dimension in the depth direction of the car 2 is larger than the dimension in the width direction of the car 2, and the vertical weight of the hoistway 1 has the counterweight 3 on the lateral side in the width direction of the area of the car 2.
• 1 and 2 can be arranged in the area of the force 2 on the vertical projection plane of the hoistway 1, and the hoistway 1 horizontal The cross-sectional area can be reduced.
• the portion of the first main rope 19 between the first drive sheave 15 and the first car-side return wheel 31 is wound around the first turning sheave 35.
• the part of the first main rope 19 between the first drive sheave 15 and the first counterweight side return wheel 32 may be wound around the first turning sheave 35.
• the portion of the second main rope 20 between the second drive sheave 17 and the second car side return wheel 33 is wound around the second turning sheave 36.
• the part of the second main rope 20 between the second drive sheave 17 and the second counterweight side return wheel 34 may be wound around the second turning sheave 36.
• the first main rope 19 with respect to the first drive sheave 15 The first turning sheave 35 may be omitted as long as the winding angle can be secured. Further, the second turning sheave 36 may be omitted if the winding angle of the second main rope 20 with respect to the second drive sheave 17 can be secured.
• the first and second drive devices are arranged such that the first and second drive sheaves 15 and 17 are disposed above the first and second drive device bodies 14 and 16. 12 and 13 are installed, but the first and second drive sheaves 15 and 17 are arranged below the first and second drive main bodies 14 and 16, respectively. May be installed.
• the force 2 and the counterweight 3 are moved up and down in the hoistway 1 by the driving forces of the two driving devices 12 and 13, and the three forces You may make it raise / lower the cage
• the force 2 and the counterweight 3 are each provided with a car suspension car and a counterweight suspension car corresponding to each driving device, and the upper part of the hoistway 1 corresponds to each driving device.
• a basket-side return wheel, counterweight-side return wheel, and turning sheave are provided.
• the car 2 and the counterweight 3 are suspended in the hoistway 1 by main rope bodies having the same number of main ropes as the number of each driving device.

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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 (4)

Applications Claiming Priority (1)

Publications (1)

Family

ID=36142347

Family Applications (1)

Country Status (4)

Cited By (2)

Families Citing this family (2)

Citations (4)

Family Cites Families (2)

• 2004
  • 2004-09-30 CN CNB2004800418074A patent/CN100528728C/zh not_active Expired - Fee Related
  • 2004-09-30 JP JP2006539087A patent/JP4757803B2/ja not_active Expired - Fee Related
  • 2004-09-30 WO PCT/JP2004/014349 patent/WO2006038256A1/ja active Application Filing
  • 2004-09-30 EP EP04788377.2A patent/EP1795484B1/en not_active Expired - Lifetime

Patent Citations (4)

Non-Patent Citations (1)

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