WO2018078762A1 - エレベータのかご上手摺装置 - Google Patents

エレベータのかご上手摺装置 Download PDF

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Publication number
WO2018078762A1
WO2018078762A1 PCT/JP2016/081874 JP2016081874W WO2018078762A1 WO 2018078762 A1 WO2018078762 A1 WO 2018078762A1 JP 2016081874 W JP2016081874 W JP 2016081874W WO 2018078762 A1 WO2018078762 A1 WO 2018078762A1
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WO
WIPO (PCT)
Prior art keywords
handrail
movable
car
handrails
low
Prior art date
Application number
PCT/JP2016/081874
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English (en)
French (fr)
Japanese (ja)
Inventor
和也 新道
丸山　直之
一宏 久恵
敬英 石黒
紘暢 鎌田
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to CN201680090240.2A priority Critical patent/CN109843774B/zh
Priority to JP2018547002A priority patent/JP6584691B2/ja
Priority to PCT/JP2016/081874 priority patent/WO2018078762A1/ja
Priority to DE112016007387.9T priority patent/DE112016007387T5/de
Publication of WO2018078762A1 publication Critical patent/WO2018078762A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel
    • B66B5/0081—Safety of maintenance personnel by preventing falling by means of safety fences or handrails, being operable or not, mounted on top of the elevator car

Definitions

  • This invention relates to an elevator car handrail device provided at the top of a car.
  • Patent Document 1 when a worker works on a car, a plurality of safety fences are individually assembled. There is a risk that the upper safety fence will remain unassembled.
  • This invention is made in order to solve the above problems, and obtains an elevator car handrail device that can more reliably prevent some handrails from being left unassembled. With the goal.
  • An elevator car handrail device includes a plurality of handrails arranged side by side on an upper portion of a car, and each of the plurality of handrails has a low handrail position and a high handrail position higher than the low handrail position.
  • the movable handrail member of the reference handrail is disposed at the high handrail position, the movable handrail member of the engaging handrail located next to the reference handrail is engaged with the movable handrail member of the reference handrail and adjacent to each other.
  • the movable handrail member of the engagement handrail on the side far from the reference handrail is engaged with the movable handrail member of the engagement handrail on the side close to the reference handrail, so that each movable handrail member of each engagement handrail becomes Keep in the high handrail position
  • projections applied to other movable handrail member is fixed.
  • the elevator car handrail device by holding the movable handrail member of the reference handrail at the high handrail position, all the handrails can be held at the high handrail position, and some handrails are assembled. It can prevent more reliably that it does not remain.
  • FIG. 1 It is a top view which shows the elevator car by Embodiment 1 of this invention. It is a front view which shows the upper part of the cage
  • FIG. 4 exists in a low handrail position. It is a top view which shows the cage
  • FIG. 10 is a plan view showing the car when the state of the car handrail device in FIG. 9 is in the housed state.
  • FIG. 10 is a cross-sectional view taken along line XII-XII in FIG. It is a perspective view which shows the movable handrail member and protrusion in the XIII part of FIG.
  • FIG. 10 is an enlarged view showing the maintenance operation switch of FIG. 9. It is an enlarged view which shows the normal operation switch of FIG.
  • FIG. 1 is a plan view showing an elevator car according to Embodiment 1 of the present invention.
  • FIG. 2 is a front view showing an upper portion of the car of FIG. 3 is a left side view showing the upper part of the car when viewed along arrow III in FIG. 1
  • FIG. 4 is a right side view showing the upper part of the car when viewed along arrow IV in FIG. is there.
  • a car 1 is provided in the hoistway so as to be movable in the vertical direction. The car 1 moves up and down by the driving force of a driving device (not shown) installed in the hoistway.
  • the car 1 has a car body 2 having a bottom surface, an upper surface 2a, a front surface 2b, a back surface 2c, and a pair of side surfaces 2d.
  • the front surface 2b and the back surface 2c of the car body 2 face each other in the depth direction of the car 1.
  • the pair of side surfaces 2 d of the car body 2 oppose each other in the width direction of the car 1.
  • a car entrance 3 that is opened and closed by a car door is provided on the front surface 2 b of the car body 2.
  • hall entrances (not shown) on each floor of the building.
  • the hall on each floor and the inside of the hoistway communicate with each other through the hall entrances and exits.
  • Each landing entrance is opened and closed by a landing door.
  • the hall entrance and the car entrance 3 provided on the stop floor of the car 1 are opened at the same time, so that passengers can move between the hall and the car 1. .
  • the operation of the elevator is controlled by a control device (not shown) installed in the hoistway. Further, the operation of the elevator can be switched between a normal operation mode in which a normal service operation is performed and a maintenance operation mode in which the car 1 is moved at a lower speed than in the normal operation mode. At least one of the drive device and the control device is installed as an upper device in the hoistway at the upper part in the hoistway 1.
  • an operator may perform maintenance and inspection work on equipment in the hoistway while riding on the upper surface 2a of the car body 2.
  • a maintenance-on-car operating unit (not shown) is provided on the upper part of the car 1.
  • an operator who rides on the upper surface 2a of the car body 2 operates the on-car operation unit for maintenance in order to move the car 1 at a low speed.
  • the operator gets into the upper surface 2a of the car body 2 from the landing through the landing doorway in a state where the height of the upper surface 2a of the car main body 2 is adjusted to the height position of the floor of the landing and the car 1 is stopped.
  • a car upper handrail device 4 is provided on the upper part of the car 1.
  • the car upper handrail device 4 includes a left handrail 11, a rear handrail 12, and a right handrail 13 as a plurality of handrails.
  • the left handrail 11, the back handrail 12, and the right handrail 13 are arranged on the upper portion of the car 1 in the order of the left handrail 11, the back handrail 12, and the right handrail 13. Further, the left handrail 11, the rear handrail 12, and the right handrail 13 are continuously arranged around the set work range set on the upper surface 2a of the car body 2 so as to surround the set work range.
  • the left handrail 11 is disposed along one side surface 2d
  • the right handrail 13 is disposed along the other side surface 2d.
  • the back handrail 12 is disposed along the back surface 2c.
  • Each of the left handrail 11, the rear handrail 12, and the right handrail 13 (hereinafter referred to as "handrails 11, 12, 13") is fixed to the upper surface 2a of the car body 2 in a state of protruding upward from the upper surface 2a of the car body 2.
  • a fixed handrail member 21 and a movable handrail member 22 provided on the fixed handrail member 21.
  • the fixed handrail member 21 has a plurality of fixed vertical members arranged apart from each other in the horizontal direction.
  • each fixed vertical member of the fixed handrail member 21 is a pipe along the vertical direction.
  • the movable handrail member 22 has a plurality of movable longitudinal members provided so as to be slidable on the respective fixed longitudinal members of the fixed handrail member 21, and a movable cross member fixed between the plurality of movable longitudinal members.
  • the movable vertical member of the movable handrail member 22 is inserted into a pipe that is a fixed vertical member of the fixed handrail member 21. Accordingly, the movable handrail member 22 can be displaced in the vertical direction with respect to the upper portion of the car 1 and the fixed handrail member 21.
  • the movable handrail member 22 moves relative to the car 1 and the fixed handrail member 21 between the low handrail position and the high handrail position higher than the low handrail position due to the vertical displacement with respect to the car 1 and the fixed handrail member 21. Displaced.
  • the height of each of the handrails 11, 12, and 13 is higher when the movable handrail member 22 is at the high handrail position than when the movable handrail member 22 is at the low handrail position.
  • the state of the car handrail device 4 is in the assembled state when the movable handrail members 22 of all the handrails 11, 12, 13 are in the high handrail position, and the movable handrail members 22 of all the handrails 11, 12, 13 are in the low handrail position. When it becomes, it will be in a stowed state. 1 to 4 show the car handrail device 4 in an assembled state.
  • the left handrail 11 is arranged on the upper surface 2a of the car body 2 as a reference handrail. As shown in FIG. 3, the left handrail 11 that is a reference handrail is provided with a holding mechanism 14 that holds the movable handrail member 22 of the left handrail 11 at a high handrail position.
  • FIG. 5 is a perspective view showing the holding mechanism 14 of FIG.
  • the holding mechanism 14 includes a holding bolt 15 that is a fastener provided on the fixed handrail member 21 of the left handrail 11.
  • a plurality of positioning holes 16 are provided in the movable longitudinal member of the movable handrail member 22 of the left handrail 11.
  • the plurality of positioning holes 16 are arranged at intervals in the vertical direction.
  • the movable handrail member 22 of the left handrail 11 is held at a high handrail position by selectively inserting the holding bolts 15 into the plurality of positioning holes 16. Further, the movable handrail member 22 of the handrail 11 is displaced to the low handrail position by gravity when the holding bolt 15 is removed from the positioning hole 16.
  • the rear handrail 12 and the right handrail 13 are sequentially arranged adjacent to each other as the engaging handrail.
  • the two handrails 12 and 13 are sequentially adjacent to the left handrail 11, but three or more handrails may be sequentially adjacent to the left handrail 11.
  • one movable handrail member 22 has a plate-like protrusion that is applied to the other movable handrail member 22.
  • the object 23 is fixed.
  • the protrusion 23 that is applied to the movable handrail member 22 of the left handrail 11 is fixed to the movable handrail member 22 of the rear handrail 12.
  • the protrusion 23 protrudes above the left handrail 11 from the upper end portion of the movable handrail member 22 of the rear handrail 12.
  • a plate-like protrusion 24 that is hooked on the other movable handrail member 22 is fixed to one movable handrail member 22.
  • the protrusion 24 that is applied to the movable handrail member 22 of the rear handrail 12 is fixed to the movable handrail member 22 of the right handrail 13.
  • FIG. 6 is a perspective view showing the movable handrail member 22 and the protrusion 24 in the VI part of FIG.
  • the protrusion 24 protrudes above the rear handrail 12 from the upper end portion of the movable handrail member 22 of the right handrail 13.
  • a part of the protrusion 24 fixed to the right handrail 13 overlaps a part of the rear handrail 12.
  • the movable handrail member 22 of the rear handrail 12 is held at the high handrail position
  • the movable handrail member 22 of the right handrail 13 is hooked on the movable handrail member 22 of the rear handrail 12 via the protrusions 24, whereby the right handrail.
  • the displacement of the 13 movable handrail members 22 is prevented, and the movable handrail member 22 of the right handrail 13 is held at the high handrail position.
  • the movable handrail member 22 of the left handrail 11 that is the reference handrail is held at the high handrail position
  • the movable handrail member 22 of the rear handrail 12 located next to the left handrail 11 is the movable handrail member of the left handrail 11.
  • the movable handrail member 22 of the right handrail 13 far from the left handrail 11 out of the rear handrail 12 and the right handrail 13 which are engaging handrails adjacent to each other is close to the left handrail 11.
  • the movable handrail member 22 of each of the handrails 12 and 13 is held at the high handrail position by being hooked on the movable handrail member 22 of the side rear handrail 12 via the projection 24.
  • the left handrail 11 is arranged as a reference handrail at one end portion of the handrail group constituted by the handrails 11, 12, and 13, and the right handrail 13 is arranged as a terminal handrail at the other end portion of the handrail group.
  • the holding of the movable handrail member 22 of the left handrail 11 at the high handrail position is released, the holding of the respective movable handrail members 22 of the handrails 12 and 13 is sequentially released from the handrail close to the left handrail 11 as the reference handrail. Is done.
  • the left handrail 11 that is a reference handrail is provided with a maintenance operation switch 25 that can detect that the movable handrail member 22 of the left handrail 11 has reached the high handrail position.
  • FIG. 7 is an enlarged view showing the maintenance operation switch 25 in the VII section of FIG.
  • the maintenance operation switch 25 includes a key 26 that is a detected object and a switch body 27 that can detect the key 26.
  • the key 26 is provided at the lower end of the movable vertical member of the movable handrail member 22 of the left handrail 11.
  • the switch body 27 is provided at the upper end portion of the fixed vertical member of the fixed handrail member 21 of the left handrail 11.
  • a long hole 28 is provided in the fixed vertical member of the fixed handrail member 21 of the left handrail 11 along the vertical direction.
  • the key 26 is passed through the elongated hole 28.
  • the key 26 moves in the vertical direction along the elongated hole 28 with respect to the fixed handrail member 21.
  • the switch body 27 has an insertion hole.
  • the key 26 is inserted into the insertion hole of the switch body 27.
  • the switch body 27 detects the key 26 and outputs a detection signal to the control device.
  • the right handrail 13 that is the terminal handrail is provided with a normal operation switch 29 that detects that the movable handrail member 22 of the right handrail 13 has reached the low handrail position.
  • the normal operation switch 29 includes a key 30 that is a detection target and a switch body 40 that can detect the key 30.
  • the key 30 is provided at the upper end portion of the movable handrail member 22 of the right handrail 13.
  • the switch body 40 is provided at the upper end portion of the fixed vertical member of the fixed handrail member 21 of the right handrail 13.
  • FIG. 8 is an enlarged view showing the normal operation switch 29 when the movable handrail member 22 of the right handrail 13 in FIG. 4 is in the low handrail position.
  • the switch body 40 of the normal operation switch 29 has an insertion hole.
  • the key 30 is inserted into the insertion hole of the switch body 40.
  • the switch body 40 detects the key 30 and outputs a detection signal to the control device.
  • Information from each of the maintenance operation switch 25 and the normal operation switch 29 is sent to the control device.
  • the control device controls the operation of the elevator based on information from each of the maintenance operation switch 25 and the normal operation switch 29. That is, when receiving the detection signal from the maintenance operation switch 25, the control device determines that the movable handrail member 22 of the left handrail 11 has reached the high handrail position, and sets the operation mode of the elevator to the maintenance operation mode. When the control device receives the detection signal from the normal operation switch 29, the control device determines that the movable handrail member 22 of the right handrail 13 has reached the low handrail position, and sets the operation mode of the elevator to the normal operation mode.
  • the service operation of the elevator is performed in the normal operation mode.
  • the car upper handrail device 4 is in the housed state.
  • the movable handrail members 22 of all the handrails 11, 12 and 13 have reached the low handrail position, the output of the detection signal from the maintenance operation switch 25 is stopped, and the detection signal from the normal operation switch 29. Is sent to the controller.
  • the car When an operator performs maintenance inspection work on the upper surface 2a of the car body 2, the car is operated so that the upper surface 2a of the car body 2 matches the height of the floor of the landing, for example, by operating the operation panel at the hall on the top floor. Stop 1 and open the hall entrance on the top floor.
  • the worker rides on the upper surface 2a of the car body 2 and moves the movable handrail member 22 of each handrail 11, 12, 13 from the low handrail position to the high handrail in the order of the right handrail 13, the rear handrail 12, and the left handrail 11.
  • Lift to position sequentially Thereby, the movable handrail members 22 of all the handrails 11, 12, and 13 reach the high handrail position, and the state of the car upper handrail device 4 becomes the assembled state.
  • the output of the detection signal from the normal operation switch 29 is stopped.
  • the movable handrail members 22 adjacent to each other are sequentially hooked via the protrusions 23 and 24, so that the operator raises the movable handrail member 22 of the left handrail 11 from the landing.
  • the movable handrail members 22 of the rear handrail 12 and the right handrail 13 may be displaced to the high handrail position simultaneously with the movable handrail member 22 of the left handrail 11 by lifting to the handrail position.
  • the operator tightens the holding bolt 15 of the holding mechanism 14 and inserts the holding bolt 15 into the positioning hole 16 while keeping the position of the movable handrail member 22 of the left handrail 11 at the high handrail position.
  • the movable handrail member 22 is held at the high handrail position.
  • the movable handrail members 22 of all the handrails 11, 12, and 13 are held at the high handrail position, and the assembled state of the car upper handrail device 4 is maintained.
  • the key 26 is inserted into the insertion hole of the switch body 27 of the maintenance operation switch 25.
  • the key 26 is detected by the switch body 27 and a detection signal is sent from the switch body 27 of the maintenance operation switch 25 to the control device.
  • the control device receives the detection signal from the maintenance operation switch 25, the operation mode of the elevator becomes the maintenance operation mode.
  • the car 1 can be moved by operating the operation unit on the car during maintenance.
  • the worker moves the car 1 downward at a low speed while operating the operation unit on the car for maintenance, and the upper surface 2a of the car body 2 is, for example, the top floor landing. Stop the car 1 to fit the floor height.
  • the operator opens the top floor hall entrance and exits from the upper surface 2a of the car body 2 to the hall, and then stores the state of the car upper handrail device 4 in the reverse procedure of assembling the car upper handrail device 4. Put it in a state. That is, the operator removes the holding bolt 15 from the positioning hole 16 to release the holding of the movable handrail member 22 of the left handrail 11 and displaces the movable handrail member 22 of the left handrail 11 from the high handrail position to the low handrail position.
  • the movable handrail members 22 of the rear handrail 12 and the right handrail 13 are arranged in the order of the handrail closer to the left handrail 11 in the order of the handrail closer to the left handrail 11 in conjunction with the displacement of the left handrail 11 to the lower handrail position.
  • the state of the car upper handrail device 4 becomes the storage state.
  • the key 30 is inserted into the insertion hole of the switch body 40 of the normal operation switch 29. Thereby, the key 30 is detected by the switch body 40, and a detection signal is sent from the switch body 40 of the normal operation switch 29 to the control device.
  • the control device receives the detection signal from the normal operation switch 29, the operation mode of the elevator becomes the normal operation mode. As a result, normal service operation becomes possible, and the elevator maintenance and inspection work is completed.
  • the movable handrail member 22 of the rear handrail 12 is hung on the movable handrail member 22 of the left handrail 11 via the protrusion 23, and the engaging handrails adjacent to each other are used.
  • the rear handrail 12 and the right handrail 13 one of the movable handrail members 22 is provided with a protrusion 24 that is applied to the other movable handrail member 22, so that the movable handrail member 22 of the left handrail 11 that is the reference handrail is provided.
  • the state of the car upper handrail device 4 can be maintained in the assembled state only by holding the movable handrail member 22 of the left handrail 11 as the reference handrail at the high handrail position, all the handrails 11, 12, 13 can be maintained. It is not necessary to provide the holding mechanism 14 individually. Thereby, the number of installation of the holding mechanism 14 can be reduced to one, and the cost can be reduced.
  • each movable handrail member 22 of each handrail 11, 12, 13 is displaced between the high handrail position and the low handrail position by being displaced in the vertical direction with respect to the upper portion of the car 1, and thus each handrail. Adjustment of the height dimensions of 11, 12, 13 can be facilitated with a simple configuration.
  • the left handrail 11 as the reference handrail is provided with a maintenance operation switch 25 for detecting that the movable handrail member 22 of the left handrail 11 has reached the high handrail position, the state of the car upper handrail device 4 is changed.
  • the operation of the elevator can be controlled depending on whether or not the assembled state has been reached. As a result, it is possible to avoid the maintenance and inspection work being performed while the state of the car handrail device 4 is in an incomplete assembled state.
  • the maintenance operation switch 25 since it is not necessary to provide the maintenance operation switch 25 individually for all the handrails 11, 12, and 13, the number of the maintenance operation switches 25 can be reduced to one, and the cost can be reduced.
  • the right handrail 13 which is the terminal handrail is provided with a normal operation switch 29 for detecting that the movable handrail member 22 of the right handrail 13 has reached the low handrail position, so that the state of the car upper handrail device 4 is changed.
  • the operation of the elevator can be controlled depending on whether or not the storage state has been reached. Thereby, it is possible to avoid the normal operation of the elevator while the state of the car upper handrail device 4 is in an incomplete storage state.
  • the normal operation switches 29 since it is not necessary to provide the normal operation switches 29 for all the handrails 11, 12, and 13, the number of the normal operation switches 29 can be reduced to one, and the cost can be reduced.
  • each handrail 11, 12, 13 has a fixed handrail member 21 and a movable handrail member 22, and the movable handrail member 22 is slidable in the vertical direction with respect to the fixed handrail member 21.
  • the movable handrail member 22 of the rear handrail 12 can be slid in the vertical direction along the rear surface 2c of the car body 2, and the movable handrail member 22 of the left handrail 11 and the right handrail 13 can be removed.
  • the main body 2 may be slidable in the vertical direction along each side surface 2d.
  • the protrusion 23 that is applied to the movable handrail member 22 of the left handrail 11 is fixed to the movable handrail member 22 of the rear handrail 12
  • the protrusion 24 that is applied to the movable handrail member 22 of the rear handrail 12 is the right handrail 13.
  • 24 may be fixed to the movable handrail member 22 of the rear handrail 12.
  • the protrusion 23 protrudes from the movable handrail member 22 of the left handrail 11 to the lower side of the movable cross member of the movable handrail member 22 of the rear handrail 12, and the protrusion 24 extends from the movable handrail member 22 of the rear handrail 12 to the right handrail 13. It protrudes below the movable cross member of the movable handrail member 22.
  • FIG. FIG. 9 is a plan view showing an elevator car according to Embodiment 2 of the present invention.
  • FIG. 10 is a right side view showing the upper part of the car when viewed along the arrow X in FIG.
  • FIG. 11 is a plan view showing the car when the state of the car handrail device 4 of FIG. 9 is in the housed state.
  • the car upper handrail device 4 provided on the upper portion of the car 1 includes a rear handrail 31, a first left handrail 32, a second left handrail 33, a first right handrail 34, and a second right handrail 35. It has as a handrail.
  • the back handrail 31, the first left handrail 32, the second left handrail 33, the first right handrail 34, and the second right handrail 35 are continuously arranged around the set work range so as to surround the set work range. It is out.
  • the first left handrail 32 and the second left handrail 33 are disposed along one side surface 2d, and the first right handrail 34 and the second right handrail 35 are disposed along the other side surface 2d.
  • the back handrail 31 is disposed along the back surface 2c.
  • a movable handrail member 22 is provided on the upper surface 2a.
  • the movable handrail member 22 has a plurality of movable vertical members arranged apart from each other in the horizontal direction and a movable cross member fixed between the plurality of movable vertical members.
  • a plurality of fixtures 41 are provided on the upper surface 2 a of the car body 2.
  • Each movable handrail member 22 is attached to the upper portion of the car 1 via a plurality of fixtures 41.
  • Each attachment 41 has a fixing member 42 fixed to the upper surface 2a of the car body 2 and an attachment shaft 43 provided horizontally on the fixing member 42.
  • Each movable handrail member 22 is rotatable with respect to the upper portion of the car 1 around the mounting shaft 43.
  • the movable handrail member 22 of the rear handrail 31 is rotatable about an attachment shaft 43 along the width direction of the car 1.
  • Each of the movable handrail members 22 of the first left handrail 32, the second left handrail 33, the first right handrail 34, and the second right handrail 35 is centered on the mounting shaft 43 along the depth direction of the car 1. It can be turned.
  • Each movable handrail member 22 is displaced between a low handrail position and a high handrail position higher than the low handrail position by rotation with respect to the upper portion of the car 1.
  • the movable handrail member 22 reaches the low handrail position by falling with respect to the upper part of the car 1 and reaches the high handrail position by standing with respect to the upper part of the car 1.
  • the height of each of the handrails 31 to 35 is higher when the movable handrail member 22 is at the high handrail position than when the movable handrail member 22 is at the low handrail position.
  • the state of the car upper handrail device 4 is in the assembled state (FIGS. 9 and 10) when the movable handrail members 22 of all the handrails 31 to 35 are in the high handrail position, and the movable handrail members 22 of all the handrails 31 to 35 are in the assembled state.
  • the storage state FIG. 11
  • the rear handrail 31 is disposed on the upper surface 2a of the car body 2 as a reference handrail.
  • a rear handrail 31 that is a reference handrail is provided with a holding mechanism 36 that holds the movable handrail member 22 of the rear handrail 31 at a high handrail position.
  • FIG. 12 is a sectional view taken along line XII-XII in FIG.
  • the fixing member 42 that attaches the movable handrail member 22 of the rear handrail 31 to the upper surface 2a of the car body 2 is provided with a long hole 45 along the vertical direction.
  • the attachment shaft 43 of the rear handrail 31 is passed through the long hole 45 of the fixing member 42.
  • the mounting shaft 43 of the rear handrail 31 can slide along the elongated hole 45 with respect to the fixing member 42.
  • the movable handrail member 22 of the rear handrail 31 is displaced in the vertical direction with respect to the upper portion of the car 1 as the mounting shaft 43 slides along the elongated hole 45.
  • the holding mechanism 36 has a protrusion 37 fixed to the movable vertical member of the movable handrail member 22 of the rear handrail 31.
  • the protrusion 37 is disposed above the attachment shaft 43 and parallel to the attachment shaft 43.
  • a recess 38 into which the projection 37 is fitted is provided at the upper end of the fixing member 42.
  • the recess 38 is opened upward. In a state where the projection 37 is fitted in the recess 38, the movable handrail member 22 of the back handrail 31 is held in an upright state, and the movable handrail member 22 of the back handrail 31 is held at a high handrail position.
  • the movable handrail member 22 of the rear handrail 31 falls from the standing state to the inside of the car 1, and the movable handrail member 22 of the rear handrail 31 is displaced from the high handrail position to the low handrail position.
  • the first left handrail 32 and the second left handrail 33 are sequentially arranged adjacent to each other as an engagement handrail from one end portion of the back handrail 31 that is a reference handrail.
  • a first right handrail 34 and a second right handrail 35 are sequentially arranged adjacent to each other as an engagement handrail.
  • the two handrails 32 and 33 are sequentially adjacent from one end of the handrail 31 and the two handrails 34 and 35 are sequentially adjacent from the other end of the handrail 31, but three or more handrails are present. You may arrange
  • one movable handrail member 22 has a plate-like protrusion 46 that is hooked on the other movable handrail member 22. It is fixed.
  • one movable handrail member 22 has a plate-like protrusion on the other movable handrail member 22. 47 is fixed.
  • the protrusion 46 that is applied to the movable handrail member 22 of the first left handrail 32 is fixed to the movable handrail member 22 of the second left handrail 33, and the protrusion that is applied to the movable handrail member 22 of the first right handrail 34.
  • An object 47 is fixed to the movable handrail member 22 of the second right handrail 35.
  • FIG. 13 is a perspective view showing the movable handrail member 22 and the protrusion 47 in the portion XIII of FIG.
  • the protrusion 47 protrudes from the upper end of the second right handrail 35 to the outside of the car 1 rather than the first right handrail 34.
  • the movable handrail member 22 of the first right handrail 34 is held at the high handrail position
  • the movable handrail member 22 of the second right handrail 35 is moved through the protrusion 47 and the movable handrail of the first right handrail 34 is moved.
  • the movable handrail member 22 of the second right handrail 35 is held at the high handrail position.
  • the movable handrail member 22 of the first left handrail 32 is held at the high handrail position
  • the movable handrail member 22 of the second left handrail 33 is connected to the first left handrail 32 via the protrusion 46.
  • the movable handrail member 22 of the second left handrail 33 is held at the high handrail position.
  • the movable handrail member 22 of the first left handrail 32 that is located next to the back handrail 31 is The movable handrail member 22 of the second left handrail 33 on the side farther from the rear handrail 31 among the first left handrail 32 and the second left handrail 33 that are engaged with the movable handrail member 22 and adjacent to each other. Is hooked on the movable handrail member 22 of the first left handrail 32 on the side close to the rear handrail 31 via the projection 46, so that the respective movable handrail members 22 of the handrails 32 and 33 are held at the high handrail position. .
  • the movable handrail member 22 of 35 is hooked on the movable handrail member 22 of the first right handrail 34 on the side close to the rear handrail 31 via the protrusion 47, the movable handrail member 22 of each of the handrails 34 and 35 becomes high. It is held at the handrail position.
  • the rear handrail 31 is arranged as a reference handrail in the middle part of the handrail group constituted by the handrails 31 to 35, and the second left handrail 33 and the second right handrail 35 are terminated at both ends of the handrail group.
  • Each is arranged as a handrail.
  • a maintenance operation switch 51 that can detect that the movable handrail member 22 of the rear handrail 31 has reached the high handrail position is provided on the rear handrail 31 that is a reference handrail.
  • FIG. 14 is an enlarged view showing the maintenance operation switch 51 of FIG.
  • the maintenance operation switch 51 is supported on the upper surface 2 a of the car body 2.
  • the maintenance operation switch 51 includes a switch body 52 and an operation unit 53 provided on the switch body 52.
  • the operation unit 53 is displaceable between a forward position protruding from the switch body 52 and a backward position where the amount of protrusion from the switch body 52 is less than the forward position.
  • the switch body 52 outputs a detection signal to the control device when the operation unit 53 reaches the retracted position. Output of the detection signal from the switch body 52 to the control device stops when the operation unit 53 returns from the retracted position to the advanced position.
  • the operation unit 53 When the movable handrail member 22 of the rear handrail 31 reaches the high handrail position, the operation unit 53 is pushed by the movable handrail member 22 of the rear handrail 31 and is displaced from the forward position to the backward position. Thereby, a detection signal is sent from the maintenance operation switch 51 to the control device. Further, when the movable handrail member 22 of the rear handrail 31 is displaced from the high handrail position to the low handrail position, the movable handrail member 22 of the rear handrail 31 is disengaged from the operation portion 53, and the operation portion 53 is moved from the retracted position to the forward position. Displaced. Thereby, transmission of the detection signal from the maintenance operation switch 51 to the control device is stopped.
  • the second left handrail 33 and the second right handrail 35 which are two terminal handrails, that the movable handrail member 22 of each of the second left handrail 33 and the second right handrail 35 has reached the low handrail position.
  • a normal operation switch 54 is provided.
  • FIG. 15 is an enlarged view showing the normal operation switch 54 of FIG.
  • the normal operation switch 54 includes a key 55 that is a detection target and a switch body 56 that can detect the key 55.
  • a key 55 is connected to the movable handrail member 22 of the second right handrail 35 via a wire 57
  • the switch body 56 is fixed to the movable handrail member 22 of the second left handrail 33.
  • the length of the wire 57 is such that the key 55 reaches the switch body 56 when the movable handrail member 22 of each of the second left handrail 33 and the second right handrail 35 is in the low handrail position. Yes.
  • the switch body 56 is provided with an insertion hole. When the key 55 is inserted into the insertion hole, the switch body 56 detects the key 55 and outputs a detection signal to the control device.
  • Information from each of the maintenance operation switch 51 and the normal operation switch 54 is sent to the control device.
  • the control device controls the operation of the elevator based on information from each of the maintenance operation switch 51 and the normal operation switch 54.
  • the control by the control device is the same as in the first embodiment.
  • the operator moves the movable handrail member 22 from the low handrail position in the order of the second left handrail 33 and the first left handrail 32.
  • the movable handrail member 22 is sequentially lifted from the low handrail position to the high handrail position sequentially in the order of the second right handrail 35 and the first right handrail 34.
  • the movable handrail member 22 of the rear handrail 31 serving as the reference handrail is lifted from the low handrail position to the high handrail position.
  • the movable handrail members 22 of all the handrails 31 to 35 reach the high handrail position, and the state of the car upper handrail device 4 becomes the assembled state.
  • the operator fits the protrusion 37 of the holding mechanism 36 into the recess 38 of the fixing member 42 in the rear handrail 31.
  • the movable handrail member 22 of the rear handrail 31 is held at the high handrail position, and the state of the car handrail device 4 is maintained in the assembled state.
  • the operation unit 53 of the maintenance operation switch 51 is pushed by the movable handrail member 22 of the rear handrail 31, and a detection signal is sent from the maintenance operation switch 51 to the control device. It is done.
  • the control device receives the detection signal from the maintenance operation switch 51, the operation mode of the elevator becomes the maintenance operation mode. As a result, the car 1 can be moved by operating the operation unit on the car during maintenance.
  • the car 1 is moved at a low speed, and the upper surface 2a of the car body 2 is, for example, at the height of the floor of the top floor landing. Stop the car 1 to fit. Thereafter, the operator releases the protrusion 37 of the holding mechanism 36 from the recess 38 to release the holding of the movable handrail member 22 of the rear handrail 31 at the high handrail position, and raises the movable handrail member 22 of the rear handrail 31. Displace from the handrail position to the low handrail position.
  • each of the movable handrail members 22 of the first left handrail 32, the second left handrail 33, the first right handrail 34, and the second right handrail 35 is the low handrail of the movable handrail member 22 of the rear handrail 31.
  • the handrails are sequentially displaced from the high handrail position to the low handrail position in the order of the handrail near the rear handrail 31. Thereby, the state of the car upper handrail device 4 becomes the storage state.
  • the operator moves to the landing through the landing entrance, and then inserts the key 55 of the normal operation switch 54 into the insertion hole of the switch body 56.
  • the key 55 is detected by the switch body 56, and a detection signal is sent from the normal operation switch 54 to the control device.
  • the control device receives the detection signal from the normal operation switch 54, the operation mode of the elevator becomes the normal operation mode. As a result, normal service operation becomes possible, and the elevator maintenance and inspection work is completed.
  • each movable handrail member 22 of each handrail 31 to 35 is rotated with respect to the upper portion of the car 1, the height dimension of each handrail 31 to 35 can be easily adjusted with a simple configuration. Can be. Further, by allowing the movable handrail members 22 adjacent to each other to be hooked via the protrusions 46 and 47, all the handrails 31 to 35 can be held at the high handrail position, and some handrails are assembled. It can prevent more reliably that it does not remain. Further, also when the state of the car upper handrail device 4 is changed to the retracted state, the holding of the movable handrail member 22 of the rear handrail 31 serving as the reference handrail at the high handrail position is released, so that all the handrails 31 to 35 are released. The movable handrail member 22 can be interlocked and displaced to the low handrail position, and it is possible to prevent a part of the handrail from being unstored.
  • the key 55 of the normal operation switch 54 is connected to the movable handrail member 22 via the wire 57, but the second left handrail when the state of the car upper handrail device 4 is the storage state.
  • the key 55 may be directly fixed to the movable handrail member 22.
  • the key 55 is automatically inserted into the insertion hole of the switch body 56.
  • the protrusion 46 that is applied to the movable handrail member 22 of the first left handrail 32 is fixed to the movable handrail member 22 of the second left handrail 33, and the movable handrail member 22 of the first right handrail 34.
  • the protrusion 47 hanging on the movable handrail member 22 of the second right handrail 35 is fixed to the movable handrail member 22 of the second left handrail 33.
  • the protrusion 47 that is fixed to the member 22 and is applied to the movable handrail member 22 of the second right handrail 35 may be fixed to the movable handrail member 22 of the first right handrail 34.
  • the protrusion 46 protrudes from the movable handrail member 22 of the second left handrail 33 to the inside of the car 1 rather than the first left handrail 32, and the first right side from the movable handrail member 22 of the second right handrail 35.
  • a protrusion 47 protrudes inside the car 1 from the handrail 34.

Landscapes

  • Cage And Drive Apparatuses For Elevators (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
PCT/JP2016/081874 2016-10-27 2016-10-27 エレベータのかご上手摺装置 WO2018078762A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201680090240.2A CN109843774B (zh) 2016-10-27 2016-10-27 电梯的轿厢上扶手装置
JP2018547002A JP6584691B2 (ja) 2016-10-27 2016-10-27 エレベータのかご上手摺装置
PCT/JP2016/081874 WO2018078762A1 (ja) 2016-10-27 2016-10-27 エレベータのかご上手摺装置
DE112016007387.9T DE112016007387T5 (de) 2016-10-27 2016-10-27 Obere Handlaufvorrichtung einer Aufzugskabine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/081874 WO2018078762A1 (ja) 2016-10-27 2016-10-27 エレベータのかご上手摺装置

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CN (1) CN109843774B (de)
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US20190256322A1 (en) * 2016-10-27 2019-08-22 Kone Corporation Elevator safety arrangement and elevator
US11192750B2 (en) 2018-12-26 2021-12-07 Otis Elevator Company Handrail assembly, car and elevator

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JP2000143125A (ja) * 1998-09-03 2000-05-23 Toshiba Corp エレべーター
JP2002284469A (ja) * 2001-03-23 2002-10-03 Mitsubishi Electric Corp エレベーターのかご装置
FR2891820A1 (fr) * 2005-10-07 2007-04-13 Thyssenkrupp Elevator Mfg F Systeme d'ascenseur comprenant un dispositif de securite
JP2016147727A (ja) * 2015-02-10 2016-08-18 東芝エレベータ株式会社 かご上手すり、および、それを備えた乗りかご

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JPH01281281A (ja) * 1988-05-06 1989-11-13 Mitsubishi Electric Corp エレベーターのかご上安全さく
CN1247428C (zh) * 2001-04-17 2006-03-29 三菱电机株式会社 电梯厢及其电梯装置
JP5217073B2 (ja) * 2001-08-28 2013-06-19 三菱電機株式会社 乗りかご及びエレベータ装置
JP2003321174A (ja) * 2002-05-09 2003-11-11 Otis Elevator Co エレベータ乗り籠の作業用柵
CN101031494B (zh) * 2005-09-16 2010-08-25 三菱电机株式会社 电梯的轿厢上扶手装置
JP2008110863A (ja) 2006-10-31 2008-05-15 Toshiba Elevator Co Ltd エレベータのかご上安全柵装置
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JP2000143125A (ja) * 1998-09-03 2000-05-23 Toshiba Corp エレべーター
JP2002284469A (ja) * 2001-03-23 2002-10-03 Mitsubishi Electric Corp エレベーターのかご装置
FR2891820A1 (fr) * 2005-10-07 2007-04-13 Thyssenkrupp Elevator Mfg F Systeme d'ascenseur comprenant un dispositif de securite
JP2016147727A (ja) * 2015-02-10 2016-08-18 東芝エレベータ株式会社 かご上手すり、および、それを備えた乗りかご

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190256322A1 (en) * 2016-10-27 2019-08-22 Kone Corporation Elevator safety arrangement and elevator
US11858779B2 (en) * 2016-10-27 2024-01-02 Kone Corporation Elevator safety arrangement and elevator
US11192750B2 (en) 2018-12-26 2021-12-07 Otis Elevator Company Handrail assembly, car and elevator

Also Published As

Publication number Publication date
JP6584691B2 (ja) 2019-10-02
CN109843774A (zh) 2019-06-04
JPWO2018078762A1 (ja) 2019-01-24
CN109843774B (zh) 2020-12-11
DE112016007387T5 (de) 2019-08-01

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