WO2015015632A1 - Dispositif d'ascenseur - Google Patents

Dispositif d'ascenseur Download PDF

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Publication number
WO2015015632A1
WO2015015632A1 PCT/JP2013/070963 JP2013070963W WO2015015632A1 WO 2015015632 A1 WO2015015632 A1 WO 2015015632A1 JP 2013070963 W JP2013070963 W JP 2013070963W WO 2015015632 A1 WO2015015632 A1 WO 2015015632A1
Authority
WO
WIPO (PCT)
Prior art keywords
tension
applying member
friction unit
tension applying
rope
Prior art date
Application number
PCT/JP2013/070963
Other languages
English (en)
Japanese (ja)
Inventor
中山　徹也
薫 平野
雄大 田中
賢二 蔀
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP2015529301A priority Critical patent/JP6147858B2/ja
Priority to CN201380078297.7A priority patent/CN105392728B/zh
Priority to PCT/JP2013/070963 priority patent/WO2015015632A1/fr
Publication of WO2015015632A1 publication Critical patent/WO2015015632A1/fr

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Classifications

    • 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
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • 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
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces

Definitions

  • the present invention relates to an elevator apparatus.
  • Elevator devices are generally equipped with a governor that constantly monitors the ascending / descending speed of the car and makes the car emergency stop when the car falls into a predetermined overspeed state.
  • the speed governor when the raising / lowering speed of the car exceeds the rated speed and reaches the first overspeed (usually about 1.3 times the rated speed), the power supply of the hoisting machine that drives the car and The power supply of the control device that controls the hoisting machine is shut off.
  • the speed governor is provided with an emergency stop device provided in the car when the car descending speed exceeds the first overspeed and reaches the second overspeed (usually about 1.4 times the rated speed) for some reason. To stop the car mechanically.
  • Patent Document 1 JP-A-2001-19312
  • the car In the governor, the car is braked emergencyly due to the operation of the brakes attached to the hoisting machine for some reason, the operation of the emergency stop device, and the collision with the shock absorber.
  • the car governor rope connected to the car through the connecting body decelerates in conjunction with the deceleration of the car, but the anti-car governor rope continues to rise due to inertia.
  • the tension weight suspended at the lower end of the speed rope may jump up.
  • this tension weight is not sufficiently lifted up, and if it jumps up significantly, the governor body, the governor rope, the tension weight and the equipment installed in the vicinity will be damaged. There was a risk of inviting. In particular, this problem is particularly noticeable in high-speed and high-lift elevator devices that are in great demand in recent years.
  • restraining the tension weight in the vertical direction means that the tension weight can be reduced against the governor rope contraction due to the secular governor rope elongation and seasonal humidity change. The position does not follow the governor rope, and the tension weight may be lost or damaged.
  • the present invention has been made from the state of the prior art described above.
  • the purpose of the present invention is to prevent the tension weight from functioning or breaking with respect to the expansion and contraction of the rope, and to prevent the tension weight from bouncing during emergency braking.
  • An object of the present invention is to provide an elevator apparatus capable of suppressing the raising.
  • an elevator apparatus includes a lifting body that is suspended by a main rope and moves up and down a hoistway, a governor rope that is driven according to the lifting and lowering of the lifting body, A tension applying member having a tension weight for applying tension to the governor rope, a connecting body for connecting the elevator body and the governor rope, and the elevator body when the overspeed of the elevator body is detected.
  • An emergency braking device that applies emergency braking to the body, wherein the governor rope is disposed below the hoistway and a governor pulley below the hoistway and at a position opposite the governor pulley.
  • a guide rail that guides the vertical movement of the tension applying member; and a friction unit that is slidably attached to the guide rail.
  • the tension applying member is connected to the friction unit.
  • an elevator apparatus capable of suppressing tension weight jumping and raising during emergency braking while suppressing loss or breakage of the tension weight against the expansion and contraction of the rope.
  • the elevator apparatus 100 is disposed at the upper part of the hoistway 2 and a car 3 and a counterweight 4 that are elevating bodies that elevate and lower the hoistway 2 suspended by the main rope 1.
  • a hoisting machine 5 provided with a brake for driving the main rope 1, a beam pulley 6 disposed in the vicinity of the hoisting machine 5, a compen- sion rope 7 connected to the lower part of the car 3 and the counterweight 4, Compensation pulley 8 disposed at the lower end of compensation rope 7, governor pulley 9 of the governor disposed at the upper part of hoistway 2, and opposite position of governor pulley 9 below hoistway 2
  • a tension pulley 10 disposed on the governor pulley 9, a governor rope 11 that is endlessly hung between the tension pulley 9 and the tension pulley 10, and a load on the tension pulley 10 to bias the governor rope 11 With tension
  • the tension weight 12 to be connected, the connecting body 13 for connecting the car 3 and the governor rope 11, the emergency stop device 22 for emergency
  • the tension pulley 10 and the tension weight 12 are provided on the tension applying member 21. Since the governor rope 11 is connected to the car 3 by the connecting body 13, in this embodiment, the speed governor rope 11 is driven in accordance with the raising and lowering of the car 3 that is the lifting body.
  • the car 3 is guided by the car guide rail 25 and moves up and down in the hoistway 2, and the emergency stop device 22 grips the car guide rail 25 and operates the emergency braking of the car 3 when operated.
  • the function of the tension applying member 21 for applying tension to the governor rope 11 with respect to the expansion and contraction of the rope is not lost, and the operation of the brake and the emergency stop device are performed.
  • a device is devised to prevent the tension applying member 21 from jumping up. Specifically, as shown in FIG. 2, a guide rail 14 that is provided opposite to the right and left sides of the tension applying member 21 at the lower part of the hoistway 2 and guides the movement of the tension applying member 21, and the tension applying member 21.
  • the friction unit 16 Passed between the friction unit 16 and the friction unit 16 provided between the guide rail 14 and slidingly contacting the guide rail 14 to prevent the tension application member 21 from jumping up, the rod 17 provided on the upper part of the tension application member 21, and the friction unit 16.
  • Bracket 18, rod 17 is inserted, buffer spring 19 is disposed between tension applying member 21 and bracket 18, and receiving member 20 is mounted on rod 17 at a position higher than bracket 18. ing.
  • the tension applying member 21 connects the friction unit 16 attached to the pair of guide rails 14 by a bracket 18 and is connected to the friction unit 16 through a rod 17 inserted through the bracket 18. Note that a predetermined gap is provided between the buffer spring 19 and the bracket 18 and between the bracket 18 and the receiving member 20, respectively.
  • the friction unit 16 includes a pair of arms 16a rotatably supported by the bracket 18, a rod 16b inserted through the upper portions of the pair of arms 16a, and the pair of arms 16a in the direction of the guide rail 14. And a shoe 16d supported by the arm 16a and slidably slidably contacting the guide rail 14.
  • the rope may shrink in a humid season or the like, and when the tension applying member 21 gradually moves upward, the buffer spring 19 provided on the bracket 17 and the rod 17 attached to the tension applying member 21 When the tension applying member 21 further moves upward, the friction unit 16 moves upward via the bracket 18 by the buffer spring 19. As described above, the position of the friction unit 16 due to the expansion and contraction of the governor rope 11 is adjusted.
  • the tension applying member 21 and the friction unit 16 do not transmit the moving force to the friction unit 16 when the tension applying member 21 moves in the vertical direction within a range of a predetermined distance. Is moved in the vertical direction more than a predetermined distance, the moving force is transmitted to the friction unit 16, and the friction unit 16 follows and moves while generating the friction force. Therefore, it is possible to secure a state in which the loss of function of the tension weight is sufficiently secured against the expansion and contraction of the rope.
  • the tension applying member 21 is not lost in the function of the tension weight and the friction unit with respect to the expansion and contraction of the rope, and at the time of emergency braking.
  • the rod 17 is provided with a buffer spring 19 at a portion between the bracket 18 and the tension applying member 21, the force is transmitted to the bracket 18 while buffering the impact of the jumping tension applying member 21, and the buffer 17 is buffered. Since the force that could not be canceled by the frictional unit 16 and the guide rail 14 is gradually canceled by the sliding, it is possible to suppress the jumping of the tension applying member 21 better.
  • the elevator apparatus is different from the first embodiment described above in that the friction unit 16 is disposed below the tension applying member 21 as shown in FIG. That is, the guide rail 24 is installed in a pair in the lower part of the hoistway 2 and guides the movement of the tension applying member 21.
  • the guide rail 24 is provided between the tension applying member 21 and the guide rail 24.
  • a friction unit 26 that contacts and prevents the tension applying member 21 from jumping up, a rod 27 provided below the tension applying member 21, a bracket 28 passed between the friction units 26, and the rod 27 are inserted into the tension applying member 21.
  • a bracket spring 28 disposed between the bracket 28 and a receiving member 30 mounted on the rod 27 at a position lower than the bracket 28.
  • the tension applying member 21 jumps without losing the function of the tension weight with respect to the expansion and contraction of the rope and during emergency braking. By suppressing the raising, it is possible to prevent damage to the governor body, the governor rope, the tension applying member, and the devices installed in the vicinity.
  • the bracket 18 and the rod 17 are used as a configuration for connecting the tension applying member 21 and the friction unit 16, but the configuration is not limited thereto.
  • a cylindrical friction unit is slidably brought into sliding contact with the sliding surface of the round bar. The structure which connects may be sufficient.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

La présente invention porte sur un dispositif d'ascenseur, lequel dispositif est configuré de telle sorte que la perte de fonction d'un poids de tension ou une dégradation du poids de tension provoquée par l'allongement et la contraction d'un câble sont éliminées, et de telle sorte qu'un saut du poids de tension pendant un freinage d'urgence est éliminé. Un dispositif d'ascenseur (100) comporte : des corps verticalement mobiles (3, 4), qui sont suspendus par un câble principal (1) et qui se déplacent verticalement à l'intérieur d'une cage d'ascenseur (2) ; un câble de régulateur (11) ; un élément d'application de tension (21), qui a un poids de tension (12) ; un corps de liaison (13) ; et un dispositif de frein d'urgence (22). Le câble de régulateur (11) passe sans fin sur une poulie de régulateur (9) et la poulie de tension (10) qui est disposée sur l'élément d'application de tension (21). Le dispositif d'ascenseur (100) comporte de plus : un rail de guidage (14), qui guide le mouvement vertical de l'élément d'application de tension (21) ; et une unité de frottement (16), qui est montée de façon à pouvoir coulisser sur le rail de guidage (14). L'élément d'application de tension (21) est relié à l'unité de frottement (16).
PCT/JP2013/070963 2013-08-02 2013-08-02 Dispositif d'ascenseur WO2015015632A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2015529301A JP6147858B2 (ja) 2013-08-02 2013-08-02 エレベータ装置
CN201380078297.7A CN105392728B (zh) 2013-08-02 2013-08-02 电梯装置
PCT/JP2013/070963 WO2015015632A1 (fr) 2013-08-02 2013-08-02 Dispositif d'ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/070963 WO2015015632A1 (fr) 2013-08-02 2013-08-02 Dispositif d'ascenseur

Publications (1)

Publication Number Publication Date
WO2015015632A1 true WO2015015632A1 (fr) 2015-02-05

Family

ID=52431204

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/070963 WO2015015632A1 (fr) 2013-08-02 2013-08-02 Dispositif d'ascenseur

Country Status (3)

Country Link
JP (1) JP6147858B2 (fr)
CN (1) CN105392728B (fr)
WO (1) WO2015015632A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017013917A (ja) * 2015-06-29 2017-01-19 株式会社日立製作所 タイダウン装置およびタイダウン装置を備えるエレベータ
JP2017128430A (ja) * 2016-01-22 2017-07-27 株式会社日立製作所 タイダウン装置、タイダウン装置を備えるエレベーター、タイダウン装置の復帰方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128182A (ja) * 1983-01-14 1984-07-24 株式会社東芝 エレベ−タガバナの制振装置
JP2008013309A (ja) * 2006-07-05 2008-01-24 Toshiba Elevator Co Ltd エレベータのガバナ装置のテンショナ
WO2011042972A1 (fr) * 2009-10-08 2011-04-14 三菱電機株式会社 Dispositif de poulie de traction pour ascenseur

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000344440A (ja) * 1999-06-04 2000-12-12 Hitachi Building Systems Co Ltd ２：１ローピングエレベータの主ロープ掛け作業方法およびその主ロープ案内装置
JP2001019312A (ja) * 1999-07-06 2001-01-23 Hitachi Building Systems Co Ltd エレベータ調速機のテンションウェート調整装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128182A (ja) * 1983-01-14 1984-07-24 株式会社東芝 エレベ−タガバナの制振装置
JP2008013309A (ja) * 2006-07-05 2008-01-24 Toshiba Elevator Co Ltd エレベータのガバナ装置のテンショナ
WO2011042972A1 (fr) * 2009-10-08 2011-04-14 三菱電機株式会社 Dispositif de poulie de traction pour ascenseur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017013917A (ja) * 2015-06-29 2017-01-19 株式会社日立製作所 タイダウン装置およびタイダウン装置を備えるエレベータ
JP2017128430A (ja) * 2016-01-22 2017-07-27 株式会社日立製作所 タイダウン装置、タイダウン装置を備えるエレベーター、タイダウン装置の復帰方法
CN106995173A (zh) * 2016-01-22 2017-08-01 株式会社日立制作所 束缚装置、具备束缚装置的电梯、以及束缚装置的复原方法

Also Published As

Publication number Publication date
JP6147858B2 (ja) 2017-06-14
CN105392728A (zh) 2016-03-09
JPWO2015015632A1 (ja) 2017-03-02
CN105392728B (zh) 2017-11-07

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