WO2024052955A1 - エレベーター巻上機の駆動用器具取付装置 - Google Patents

エレベーター巻上機の駆動用器具取付装置 Download PDF

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Publication number
WO2024052955A1
WO2024052955A1 PCT/JP2022/033241 JP2022033241W WO2024052955A1 WO 2024052955 A1 WO2024052955 A1 WO 2024052955A1 JP 2022033241 W JP2022033241 W JP 2022033241W WO 2024052955 A1 WO2024052955 A1 WO 2024052955A1
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WO
WIPO (PCT)
Prior art keywords
drive shaft
drive
attached
gear
instrument
Prior art date
Application number
PCT/JP2022/033241
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English (en)
French (fr)
Japanese (ja)
Inventor
晴名 神鳥
良樹 矢澤
一郎 野地
愉太 桑原
寅泰 小谷
Original Assignee
三菱電機ビルソリューションズ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三菱電機ビルソリューションズ株式会社 filed Critical 三菱電機ビルソリューションズ株式会社
Priority to JP2024545285A priority Critical patent/JP7699725B2/ja
Priority to PCT/JP2022/033241 priority patent/WO2024052955A1/ja
Publication of WO2024052955A1 publication Critical patent/WO2024052955A1/ja

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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
    • 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

Definitions

  • the present disclosure relates to a driving equipment mounting device for an elevator hoisting machine.
  • the manual drive device and the handle are installed along the axial direction of the drive shaft, so it is necessary to secure space for turning the handle in the axial direction of the drive shaft. There is.
  • the installation status of the elevator hoist there has been a problem in that it is difficult to secure the space necessary to manually rotate the drive shaft of the elevator hoist.
  • the present disclosure has been made in order to solve the above-mentioned problems, and provides an elevator hoisting machine driving equipment mounting device that can secure a space for rotating the elevator hoisting machine driving equipment mounting device.
  • the purpose is to provide.
  • a driving equipment attachment device for an elevator hoisting machine includes an equipment connection part to which a driving equipment can be attached and detached, and a drive shaft connection part to which a drive shaft protruding from the main body of the elevator hoisting machine can be attached and detached.
  • a space for rotating the driving instrument mounting device can be secured.
  • FIG. 2 is a side view showing an elevator to which the driving instrument mounting device according to the first embodiment is applied.
  • FIG. 2 is a top view showing a state in which the driving instrument attachment device is installed in the elevator of FIG. 1;
  • FIG. 2 is a side view showing a state in which a driving instrument attachment device is installed in the elevator of FIG. 1;
  • 4 is a cross-sectional view taken along line IV-IV in FIG. 3.
  • FIG. FIG. 3 is a schematic diagram showing the attachment structure of the input shaft and handle of FIG. 2;
  • FIG. 4 is an enlarged view of the second gear in FIG. 3 when viewed from the VI direction.
  • FIG. 1 is a side view showing an elevator 100 to which a driving instrument mounting device 1 according to the first embodiment is applied.
  • FIG. 2 is a top view showing a state in which the driving instrument attachment device 1 is installed in the elevator 100 of FIG. 1.
  • FIG. 3 is a side view showing a state in which the driving instrument attachment device 1 is installed in the elevator 100 of FIG. 1.
  • the car 101 is stopped at a stop position corresponding to the landing on the first floor, which is the lowest floor.
  • a hoistway 130 for the elevator 100 is provided in the building where the elevator 100 is installed.
  • a plurality of beam members 120 are installed above the hoistway 130 along the horizontal direction.
  • the beam member 120 is made of H-shaped steel.
  • the elevator 100 includes a car 101 in which passengers can ride, a counterweight 103, a main rope 102, an elevator hoist 104, a deflection wheel 105, and an elevator control device (not shown).
  • the car 101 and the counterweight 103 are connected to each other by a main rope 102.
  • One end of the main rope 102 is connected to the upper part of the car 101.
  • the other end of the main rope 102 is connected to the upper part of the counterweight 103.
  • the elevator hoist 104 and the deflection wheel 105 are supported by a plurality of beam members 120.
  • the elevator hoist 104 has a main body 110 including a motor, a drive shaft 111 protruding from the main body 110, and a drive sheave 112 fixed to the drive shaft 111.
  • the elevator hoist 104 is arranged with the axis of the drive shaft 111 horizontal.
  • the drive shaft 111 rotates around the axis of the drive shaft 111 by power supply to the motor.
  • the drive sheave 112 rotates together with the drive shaft 111.
  • a keyway 111a is formed on the surface of the drive shaft 111.
  • the main rope 102 is wound around the drive sheave 112 and the deflection sheave 105. Inside the hoistway 130, a car 101 and a counterweight 103 are suspended by a main rope 102.
  • An elevator control device (not shown) controls the rotational operation of the drive sheave 112 by controlling the elevator hoist 104.
  • the main rope 102 wrapped around the drive sheave 112 moves as the drive sheave 112 rotates. Thereby, the car 101 and the counterweight 103 can move inside the hoistway 130 in the vertical direction.
  • the driving instrument attachment device 1 is a device that is attached to the drive shaft 111 in order to rotate the drive shaft 111.
  • the driving instrument attachment device 1 is fixed to the beam member 120 and connected to the drive shaft 111 as necessary.
  • the drive device attachment device 1 is used when power is not supplied to the motor, such as during a power outage.
  • the driving instrument attachment device 1 includes a transmission mechanism section 1a and a handle 5 that is a driving instrument.
  • the transmission mechanism section 1a includes a booster 2, an interlocking mechanism 3, and a fixing member 4.
  • FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 3.
  • FIG. 5 is a schematic diagram showing an attachment structure between the input shaft 21 and the handle 5 in FIG. 2. As shown in FIG.
  • the booster 2 includes a booster housing 20, an input shaft 21 as an instrument connection part, an output shaft 22, and a booster that amplifies the rotational force input from the input shaft 21 and outputs it to the output shaft 22. It has a mechanism 23.
  • the booster housing 20 has an internal space.
  • the booster housing 20 is fixed to the beam member 120 by the fixing member 4.
  • the input shaft 21 has a rod-like shape.
  • the input shaft 21 has an axial center.
  • a hexagonal hole 21a is formed in the end surface of one end of the input shaft 21.
  • an XYZ orthogonal coordinate system is used.
  • the coordinate axis along the axial direction of the drive shaft 111 is defined as the X axis.
  • a coordinate axis perpendicular to the X-axis and along the vertical direction is defined as the Z-axis.
  • a coordinate axis perpendicular to both the X-axis and the Z-axis is defined as the Y-axis.
  • the other end of the input shaft 21 is arranged inside the booster housing 20.
  • the input shaft 21 is arranged along the Y-axis. Therefore, the axial direction of the input shaft 21 coincides with the direction along the Y-axis.
  • the output shaft 22 has a rod-like shape. One end of the output shaft 22 is arranged inside the booster housing 20.
  • the output shaft 22 has an axial center.
  • the output shaft 22 is arranged along the Y-axis. Therefore, the axial direction of the output shaft 22 coincides with the direction along the X-axis.
  • the input shaft 21 and the output shaft 22 are each connected to a booster mechanism 23.
  • the boost mechanism 23 includes a worm 23a, a worm gear 23b that meshes with the worm 23a, and an output gear 23c that meshes with the worm gear 23b.
  • the shape of the worm 23a is a rod-like shape. Teeth are formed on the outer peripheral surface of the worm 23a.
  • the worm 23a has an axis.
  • the input shaft 21 is integrally connected to the end of the worm 23a.
  • the axis of the worm 23a is arranged along the Y-axis.
  • the axial center of the worm 23a and the axial center of the input shaft 21 are located on the same straight line.
  • the worm 23a and the input shaft 21 are rotatably supported by the booster housing 20 about a straight line along the Y-axis.
  • the worm gear 23b has an axis.
  • the worm gear 23b is rotatably supported by the booster housing 20 around its axis.
  • the axis of the worm gear 23b is arranged along the Z-axis.
  • the output gear 23c has an axis.
  • the output gear 23c has its axis aligned along the X-axis.
  • the output shaft 22 is integrally connected to the output gear 23c.
  • the axial center of the output gear 23c and the axial center of the output shaft 22 are located on the same straight line.
  • the output gear 23c and the output shaft 22 are rotatably supported by the booster housing 20 about a straight line along the X-axis.
  • the interlocking mechanism 3 includes a first gear 30 integrally attached to the output shaft 22, a second gear 31 as a drive shaft connection part, a chain 32 as a transmission member, and a key 33.
  • the first gear 30 can rotate together with the output shaft 22 around the axis of the output shaft 22 .
  • the second gear 31 is detachable from the drive shaft 111 of the elevator hoist 104.
  • a key 33 is used to attach the second gear 31 and the drive shaft 111.
  • FIG. 6 is an enlarged view of the second gear 31 in FIG. 3 when viewed from the VI direction.
  • the second gear 31 has an insertion hole 31a formed at its center.
  • the drive shaft 111 is passed through the insertion hole 31a, and the key 33 is attached along a key groove 111a formed on the surface of the drive shaft 111.
  • the second gear 31 is attached to the drive shaft 111.
  • the second gear 31 and the drive shaft 111 rotate together around the axis of the drive shaft 111.
  • the chain 32 has an endless shape.
  • the chain 32 is wound around the first gear 30 and the second gear 31.
  • the chain 32 transmits rotational force from one of the first gear 30 and the second gear 31 to the other.
  • the fixing member 4 is a gripping member such as a clip that can fix the booster housing 20 to the beam member 120.
  • any well-known mechanism can be used as long as it can fix the booster housing 20 to a structure such as the beam member 120.
  • the handle 5 has a T-shape.
  • the handle 5 includes a horizontal member 50, a vertical member 51 projecting from the longitudinal center of the horizontal member 50, and a pair of grips projecting from both end portions of the horizontal member 50 in a direction opposite to the vertical member 51. It has a section 52.
  • a mounting portion 51a is formed at the end of the vertical member 51.
  • the shape of the attachment portion 51a is a rod-like shape with a hexagonal cross section.
  • the attachment portion 51a can be inserted into the hexagonal hole 21a.
  • the handle 5 is attached to the booster 2 by inserting the attachment portion 51a into the hexagonal hole 21a. That is, the handle 5 can be attached to and detached from the input shaft 21.
  • the axis of the vertical member 51 is arranged along the Y-axis.
  • the handle 5 can rotate about the axis of the vertical member 51, that is, about a straight line along the Y-axis.
  • the axial direction of the drive shaft 111 and the axial direction of the input shaft 21 are twisted with respect to each other. That is, when the second gear 31 is attached to the drive shaft 111, the axial direction of the input shaft 21 is different from the axial direction of the drive shaft 111.
  • the handle 5 is attached to the booster 2 toward the axial center of the drive shaft 111. That is, when the second gear 31 is attached to the drive shaft 111 and the handle 5 is attached to the input shaft 21, the handle 5 is oriented toward the opposite side from the axis of the drive shaft 111 when viewed from the transmission mechanism section 1a. It is arranged as follows.
  • the driving instrument attachment device 1 is installed in line with the elevator hoist 104. That is, when the second gear 31 is attached to the drive shaft 111, the axial center of the output shaft 22 is parallel to the axial center of the drive shaft 111.
  • the booster 2 is arranged next to the main body 110. That is, when the second gear 31 is attached to the drive shaft 111, the input shaft 21 is located closer to the main body 110 than the second gear 31 in the axial direction of the drive shaft 111. When the second gear 31 is attached to the drive shaft 111, the input shaft 21 is located within the range of the main body 110 in the axial direction of the drive shaft 111.
  • the driving instrument attachment device 1 is used when it is necessary to rotate the driving sheave 112 without using the rotational force generated by the elevator hoist 104 itself.
  • the booster housing 20 is fixed to the beam member 120 using the fixing member 4.
  • the second gear 31 is attached to the drive shaft 111. After passing the drive shaft 111 through the insertion hole 31a of the second gear 31, the key 33 is fitted along the key groove 111a, and the second gear 31 is attached and fixed to the drive shaft 111.
  • a chain 32 is wrapped around the second gear 31 and the first gear 30 attached to the drive shaft 111.
  • the mounting position of the second gear 31 and the fixing position of the booster housing 20 are adjusted as appropriate.
  • the operator In order to rotate the drive shaft 111 using the drive instrument attachment device 1, the operator releases the brake of the elevator hoist 104 and applies rotational force to the handle 5.
  • the rotational force applied to the handle 5 is amplified by the booster mechanism 23.
  • the amplified rotational force is output to the output shaft 22 and transmitted to the drive shaft 111 by the interlocking mechanism 3.
  • the drive shaft 111 is rotated by the rotational force transmitted from the second gear 31, and as the drive shaft 111 rotates, the drive sheave 112 rotates.
  • the handle 5 is detachably attached to the input shaft 21 and the drive shaft 111 protruding from the main body 110 of the elevator hoist 104.
  • the transmission mechanism section 1a includes a second gear 31.
  • the second gear 31 is attached to the drive shaft 111 and the handle 5 is attached to the input shaft 21, the rotation of the handle 5 about the axis of the input shaft 21 causes a rotational force of the handle 5. is transmitted to the drive shaft 111 via the transmission mechanism section 1a.
  • the second gear 31 is attached to the drive shaft 111 , the axial direction of the input shaft 21 is different from the axial direction of the drive shaft 111 .
  • the handle 5 even if the handle 5 is attached to the input shaft 21, the handle 5 does not extend in the axial direction of the drive shaft 111. Therefore, even if the driving instrument attachment device 1 is attached to the elevator hoist 104, the handle 5 can be installed facing in a direction different from the axial direction of the drive shaft 111. Therefore, a space for rotating the driving instrument attachment device 1 can be secured.
  • the transmission mechanism section When viewed from 1a, the handle 5 is disposed toward the opposite side of the axis of the drive shaft 111. Thereby, the handle 5 can be attached to the input shaft 21 facing the drive shaft 111. Therefore, even if the driving instrument attachment device 1 is attached to the elevator hoist 104, the handle 5 can be installed facing in a direction different from the axial direction of the drive shaft 111. Therefore, a space for rotating the driving instrument attachment device 1 can be secured.
  • the transmission mechanism section 1a includes a booster 2 and an interlocking mechanism 3.
  • the booster 2 also includes a booster mechanism 23 , an input shaft 21 connected to the booster mechanism 23 , and an output shaft 22 connected to the booster mechanism 23 .
  • the interlocking mechanism 3 includes a second gear 31.
  • the booster mechanism 23 amplifies the rotational force transmitted from the handle 5 to the input shaft 21 and transmits it to the output shaft 22.
  • the interlocking mechanism 3 transmits the rotational force of the output shaft 22 to the drive shaft 111 by interlocking with the output shaft 22 . Thereby, the operator can rotate the drive shaft 111 by turning the handle 5 with little force. Therefore, the labor of the operator can be reduced.
  • the drive device mounting device 1 for the elevator hoisting machine 104 of the first embodiment when the transmission mechanism portion 1a is attached to the drive shaft 111, the axial center of the output shaft 22 is aligned with the axial center of the drive shaft 111. parallel.
  • the booster 2 can be arranged in line with the drive shaft 111 with a distance between the axes of the drive shaft 111. Therefore, the booster 2 can be placed at a position off from the axial direction of the drive shaft 111. Therefore, the handle 5 can be installed in a direction different from the axial direction of the drive shaft 111, that is, in a direction different from the direction along the X-axis. Therefore, a space for rotating the driving instrument attachment device 1 can be secured.
  • the interlocking mechanism 3 includes the first gear 30 attached to the output shaft 22 and the second gear 31 attached to the drive shaft 111. It has Furthermore, the interlocking mechanism 3 further includes an endless chain 32 that is wound around the first gear 30 and the second gear 31 and transmits rotational force from one of the first gear 30 and the second gear 31 to the other. have. Thereby, the rotational force of the output shaft 22 can be transmitted to the drive shaft 111 having an axial center that lies on a straight line different from the straight line in which the axial center of the output shaft 22 exists.
  • the booster 2 can be placed at a position off from above the axial direction of the drive shaft 111, and the handle 5 can be installed facing in a different direction from the axial direction of the drive shaft 111. Therefore, a space for rotating the driving instrument attachment device 1 can be secured.
  • the drive device mounting device 1 for the elevator hoist 104 of the first embodiment when the second gear 31 is attached to the drive shaft 111, the input shaft 21 is in the axial direction of the drive shaft 111. It is located closer to the main body 110 than the second gear 31. Thereby, the handle 5 can be attached so as to be located closer to the main body 110 than the second gear 31 in the axial direction of the drive shaft 111. Therefore, even if the handle 5 is attached, the space in the direction away from the second gear 31 from the main body 110 will not be occupied in the axial direction of the drive shaft 111. Therefore, a space for rotating the driving instrument attachment device 1 can be secured.
  • the driving instrument attachment device 1 of the first embodiment has a handle 5. However, it is not limited to this.
  • the driving instrument attachment device 1 may not have the handle 5.
  • a separate tool may be prepared that can be connected to the instrument connection part.
  • the driving instrument attachment device 1 of the first embodiment has a handle 5.
  • a handle 5 it is not limited to this.
  • an air-driven or electrically-driven tool may be used. Any tool that can be connected to the instrument connection can be used as appropriate.
  • the driving instrument attachment device 1 of the first embodiment has a T-shaped handle 5.
  • the shape of the handle 5 may be selected as appropriate.
  • the boosting mechanism 23 of the first embodiment uses a worm 23a and a worm gear 23b.
  • the boosting mechanism 23 for example, a known configuration in which a plurality of gears are combined may be applied.
  • the driving instrument mounting device 1 of the first embodiment has a boosting mechanism 23.
  • a brake mechanism for preventing the car 101 from rotating in the direction in which it falls may be incorporated into the driving equipment attachment device 1.
  • a ratchet structure that can set the rotational direction of the input shaft 21 or the output shaft 22 may be adopted.
  • the transmission member of the first embodiment is the chain 32.
  • a belt may be used as the transmission member.
  • the rotational force of the output shaft 22 may be transmitted to the drive shaft 111 using a shaft member and gears having a well-known structure.
  • the beam member 120 of Embodiment 1 uses H-shaped steel material. However, it is not limited to this.
  • the beam member 120 well-known steel materials such as I-type steel and C-type steel may be used.
  • the driving instrument attachment device 1 is fixed to the beam member 120 in accordance with the shape of the beam member 120.
  • the driving instrument mounting device 1 of the first embodiment is applied to an elevator 100 having a deflection wheel 105.
  • the driving instrument attachment device 1 can also be applied to an elevator 100 that does not have a deflection wheel 105.
  • 1 Drive instrument attachment device 1a Transmission mechanism section, 2 Booster, 3 Interlocking mechanism, 4 Fixing member, 5 Handle (drive instrument), 20 Booster housing, 21 Input shaft (instrument connection part), 21a Hexagon socket, 22 output shaft, 23 boost mechanism, 23a worm, 23b worm gear, 23c output gear, 30 first gear, 31 second gear (drive shaft connection part), 31a insertion hole, 32 chain (transmission member), 33 Key, 50 Horizontal member, 51 Vertical member, 51a Mounting part, 52 Gripping part, 100 Elevator, 101 Car, 102 Main rope, 103 Counterweight, 104 Elevator hoist, 105 Deflection wheel, 110 Main body, 111 Drive shaft, 111a Keyway, 112 Drive sheave, 120 Beam member, 130 Hoistway.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
PCT/JP2022/033241 2022-09-05 2022-09-05 エレベーター巻上機の駆動用器具取付装置 WO2024052955A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2024545285A JP7699725B2 (ja) 2022-09-05 2022-09-05 エレベーター巻上機の駆動用器具取付装置
PCT/JP2022/033241 WO2024052955A1 (ja) 2022-09-05 2022-09-05 エレベーター巻上機の駆動用器具取付装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/033241 WO2024052955A1 (ja) 2022-09-05 2022-09-05 エレベーター巻上機の駆動用器具取付装置

Publications (1)

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WO2024052955A1 true WO2024052955A1 (ja) 2024-03-14

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PCT/JP2022/033241 WO2024052955A1 (ja) 2022-09-05 2022-09-05 エレベーター巻上機の駆動用器具取付装置

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JP (1) JP7699725B2 (enrdf_load_stackoverflow)
WO (1) WO2024052955A1 (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6146974U (ja) * 1984-08-30 1986-03-28 フジテツク株式会社 エレベ−タ巻上装置
JPH01147372U (enrdf_load_stackoverflow) * 1988-03-29 1989-10-12
JP2003312954A (ja) * 2002-04-18 2003-11-06 Toshiba Elevator Co Ltd エレベータ巻上機の人力駆動装置
JP2013023335A (ja) * 2011-07-21 2013-02-04 Mitsubishi Electric Corp エレベータ巻上げ機の人力駆動装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6146974U (ja) * 1984-08-30 1986-03-28 フジテツク株式会社 エレベ−タ巻上装置
JPH01147372U (enrdf_load_stackoverflow) * 1988-03-29 1989-10-12
JP2003312954A (ja) * 2002-04-18 2003-11-06 Toshiba Elevator Co Ltd エレベータ巻上機の人力駆動装置
JP2013023335A (ja) * 2011-07-21 2013-02-04 Mitsubishi Electric Corp エレベータ巻上げ機の人力駆動装置

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JP7699725B2 (ja) 2025-06-27
JPWO2024052955A1 (enrdf_load_stackoverflow) 2024-03-14

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