WO2011062411A2 - Dispositif de freinage à corde pour un ascenseur - Google Patents

Dispositif de freinage à corde pour un ascenseur Download PDF

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Publication number
WO2011062411A2
WO2011062411A2 PCT/KR2010/008122 KR2010008122W WO2011062411A2 WO 2011062411 A2 WO2011062411 A2 WO 2011062411A2 KR 2010008122 W KR2010008122 W KR 2010008122W WO 2011062411 A2 WO2011062411 A2 WO 2011062411A2
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder
elevator
braking device
air
rope braking
Prior art date
Application number
PCT/KR2010/008122
Other languages
English (en)
Korean (ko)
Other versions
WO2011062411A3 (fr
Inventor
오인수
Original Assignee
Oh In-Soo
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 Oh In-Soo filed Critical Oh In-Soo
Priority to CN201080061635.2A priority Critical patent/CN102781805B/zh
Publication of WO2011062411A2 publication Critical patent/WO2011062411A2/fr
Publication of WO2011062411A3 publication Critical patent/WO2011062411A3/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
    • B66B5/16—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
    • B66B5/185—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 by acting on main ropes or main cables
    • 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
    • B66B5/24—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 by acting on guide ropes or cables

Definitions

  • the present invention relates to a rope braking device for an elevator, and more particularly, an elevator for automatically stopping an elevator in the event of a power failure, an overspeed rising or falling due to an abnormal operation, a descending operation, an opening or closing state of a door, and an outage. It relates to a rope braking device for.
  • an elevator device installed for moving passengers and cargo in the up and down direction in a high-rise building is approximately inside the lift and the downhill, or in a separate way up and down along the up and down directions of the building. It is selectively driven according to the control operation of the hoist installed in the machine room, so that the boarding car of the elevator can move up and down along the ascending and descending paths.
  • Such elevators are provided with a brake device in preparation for a fall due to an abnormal occurrence, but a brake device that is installed in the case of a sudden rise exceeding the normal speed and lacking a safety device for the departure of the door is opened. There was no standard to prevent safety accidents when normal braking was not performed due to wear, failure and other mechanical defects.
  • an auxiliary braking device or a rope brake which is an emergency stop device, which is required to safely stop the boarding car to prevent an accident, must be installed in the elevator. Inspection standards have been announced and implemented to ensure compliance with the regulations.
  • Such rope brakes are classified into hydraulic, mechanical and pneumatic types depending on the mode of operation.
  • the hydraulic rope brake requires regular inspection and replenishment due to the risk of oil leakage from the hydraulic unit, and is inconvenient to install due to the heavy weight, and the mechanical rope brake has no risk of oil leakage compared to the hydraulic type.
  • the spring's elasticity changes, which requires replacement and bulkiness, which is disadvantageous for installation.
  • the pneumatic type is provided with a separate air tank for supplying air to lock the rope to operate the brake pads, thereby increasing the volume of the rope braking device, which is very heavy to handle. Difficult, there was a problem that the production cost increases.
  • the present invention has been made to solve the above-mentioned problems, the object of the present invention is to detect when the elevator is operating abnormally to operate the rope brake to stop the operation of the elevator.
  • a cylinder rod is formed in the tank, and the cylinder rod is coupled to flow in the cylinder, so that the volume of the elevator rope braking device for the elevator can be manufactured to be easy to install.
  • the weight of the rope braking device is easy to handle and the cost can be reduced.
  • the rope braking device of the present invention is smaller and lighter than the conventional mechanical and hydraulic type, and is easy to handle due to easy handling. Its purpose is to allow it to be reverted.
  • Elevator rope braking device comprising a pair of fixed frames, a support frame installed inside the pair of fixed frames, and an operating unit provided with a cylinder and an air tank installed on the support frame to lock / release the rope.
  • the cylinder rod and the air tank coupled to the cylinder of the operating unit is formed integrally.
  • the operating part including the air tank is characterized in that provided in the inside of the pair of fixed frame.
  • control unit for controlling the operation of the operating unit is provided.
  • the support frame is characterized in that the side plate is fixed to the inner peripheral surface of the fixed frame on both sides.
  • the operation unit is installed between the side plate of the support frame, the cylinder having a fixed pad on the front, the air tank is fastened and fixed to the cylinder to perform a slide operation, and the movement provided to correspond to the fixed pad of the cylinder A pad, and the guide shaft for guiding the operation of the moving pad by connecting the cylinder and the moving pad, characterized in that.
  • the cylinder is a pneumatic chamber is formed so that one side is opened on the inside, each corner portion of the cylinder is characterized in that the guide hole is formed.
  • the safety valve for forcibly discharging the air supplied to the pneumatic chamber of the cylinder.
  • the air tank is provided with an air storage chamber is formed in the inner side, the supply hole is formed in the center, the fitting member is formed in each corner is formed with a cylinder rod that is fastened to the pneumatic chamber of the cylinder is formed corresponding to the guide hole of the cylinder And a flange having a fastening hole corresponding to a fitting hole, the air inlet pipe receiving external air to the air storage chamber, and supplying air from the air storage chamber to the pneumatic chamber of the cylinder. It is characterized in that the air supply pipe is provided.
  • the air supply pipe of the air tank is characterized in that the solenoid valve for controlling the air supplied to the pneumatic chamber of the cylinder.
  • the pressure gauge for checking the pressure of the air tank is characterized in that it is further provided.
  • the moving pad is provided to correspond to the fixed pad of the cylinder, it characterized in that the fixing plate is formed with a fixing hole in each corner in the opposite direction corresponding to the cylinder.
  • the guide shaft is fitted into the guide hole of the cylinder and the fastening hole of the air tank, and a stepped portion is formed in the upper and lower portions, and a thread is formed in the stepped portion so that the lower portion is fitted into the fastening hole of the flange and fixed with a nut. It is inserted into the fastening hole formed in the fixing member of the moving pad is fixed with a nut, characterized in that the elastic member is provided to be fitted between the guide shaft and positioned between the cylinder and the moving pad.
  • control unit is provided with a pump for supplying air to the air tank of the operating unit, it is characterized in that the limit switch is provided to be located at the rear of the air tank of the operating unit.
  • the cover member for covering the control unit is characterized in that it is further provided.
  • the fixing frame is characterized in that the arc-shaped long hole is formed, the inclination adjustment bolt is fastened to the support frame is fastened to the long hole.
  • control unit is characterized in that the push button is provided.
  • control unit is characterized in that the safety valve is further provided.
  • the present invention is characterized in that in the elevator rope braking apparatus, the cylinder rod and the air tank coupled to the cylinder are integrally formed and installed inside the pair of fixed frames.
  • the present invention configured as described above has an effect of stopping the operation of the elevator by detecting the abnormal operation of the elevator to operate the rope brake.
  • a cylinder rod is formed in the tank, and the cylinder rod is coupled to flow in the cylinder, so that the volume of the elevator rope braking device can be made small, thereby making it easy to install.
  • the weight of the rope braking device can be easily reduced and the cost can be reduced.
  • the rope braking device of the present invention is smaller and lighter than the conventional mechanical and hydraulic type, and is easy to handle due to easy handling. Has the effect of returning to.
  • FIG. 1 is a perspective view showing an elevator rope braking device according to the present invention.
  • Figure 2 is a front view showing a rope braking device for an elevator according to the present invention.
  • Figure 3 is a plan view showing a rope braking device for an elevator according to the present invention.
  • Figure 4 is a side view showing a rope braking device for an elevator according to the present invention.
  • FIG. 5 is a cross-sectional view showing an operating part of the present invention.
  • Figure 6 (a) and (b) is a view showing an operation relationship for the rope brake device for an elevator according to the present invention.
  • FIG. 1 is a perspective view showing an elevator rope braking apparatus according to the present invention
  • Figure 2 is a front view showing an elevator rope braking apparatus according to the present invention
  • Figure 3 is a plan view showing an elevator rope braking apparatus according to the present invention
  • 4 is a side view showing a rope braking device for an elevator according to the present invention
  • FIG. 5 is a cross-sectional view showing an operating part of the present invention.
  • the elevator rope braking apparatus 200 includes a pair of fixing frames 210 fixed to beams.
  • the fixing frame 210 has a bent surface 212 is fixed to the beam at the bottom, the arc-shaped long hole 214 is formed on the side.
  • the inner side of the fixing frame 210 is provided with a support frame 220 which is fastened and fixed by the fixing bolt 216.
  • the support frame 220 is a pair of side plates 222 are tightly fixed to the inner peripheral surface of the fixed frame 210 is formed.
  • the inclination adjustment bolt 218 is fitted to the long hole 214 of the fixed frame 210, the inclination adjustment bolt 218 is fastened and fixed to the side plate 222 of the support frame 220.
  • the inclination adjustment bolt 218 flows around the fixing bolt 216 along the long hole 214, thereby easily adjusting the inclination angle of the support frame 220 to the installation angle of the elevator rope (W). Will be.
  • the operating unit 230 is provided between the side plates 222 of the support frame 220 to perform the locking / release operation of the rope (W).
  • the operation unit 230 is composed of a cylinder 231, the etan tank 240, the moving pad 250, and the guide shaft 260.
  • the cylinder 231 is installed between the side plates 222 of the support frame 220, the fixing pad 236 is provided on one side, the opposite side provided with the fixing pad 236 is opened to the inside
  • the pneumatic chamber 232 is formed, the guide hole 234 is formed in each corner portion.
  • the air tank 240 is coupled to the cylinder 231 is provided to perform a slide operation, the air storage chamber 242 is formed on the inside, the air into the pneumatic chamber 232 of the cylinder 231 in the center
  • the supply hole 244a for supplying the gas is formed, and each of the corners is provided with a fitting hole 244b corresponding to the guide hole 234 of the cylinder 231 to be inserted into the pneumatic chamber 232. Is provided.
  • the flange 246 is coupled to the cylinder rod 244 and has a fastening hole 246a corresponding to the fitting hole 244b of the cylinder rod 244.
  • the cylinder rod 244 and the flange 246 may be separated and fixed by bolts (not shown), or the cylinder rod 244 and the flange 246 may be integrally formed.
  • an air injection pipe 247 is formed to receive external air from the air storage chamber 242, and is supplied to the supply hole 244a for supplying air from the air storage chamber 242 to the pneumatic chamber 232 of the cylinder 231.
  • An air supply pipe 244c is provided.
  • the air supply pipe 244c is provided with a solenoid valve 244d for controlling the air supplied to the pneumatic chamber 232 of the cylinder 231, the pressure gauge 248 to control the pressure of the air tank 240 is provided It is provided.
  • a seal (not shown) is provided on the outer circumferential surface of the cylinder rod 244 and the fastening portions of the flange 246 and the cylinder rod 244 fitted into the pneumatic chamber 232 of the cylinder 231.
  • the movement pad 250 is formed with a groove 252 in a direction corresponding to the fixing pad 236 mounted on the cylinder 231, and extends and fixed to each corner portion in the opposite direction in which the groove 252 is formed.
  • a fixed plate 254 is provided with a ball 256.
  • the fixing plate 254 may be formed to be separated from the moving pad 250 to be fastened and fixed by bolts (not shown), or the moving pad 250 and the fixing plate 254 may be integrally formed.
  • the guide shaft 260 is fitted into the guide hole 234 of the cylinder 231 and the fitting hole 244b of the air tank 240, and upper and lower stepped portions 262a and 262b are formed.
  • the thread 263 is formed in the stepped portions 262a and 262b, and the stepped portion 262a formed at the lower portion of the guide shaft 260 is fitted into the fastening hole 246a of the flange 246 to be fixed by the fixing nut 264a.
  • the step 262b formed on the upper portion of the guide shaft 260 is inserted into the fixing hole 256 formed in the fixing plate 254 of the moving pad 250 and fixed to the fixing nut 264b.
  • the elastic member 266 is fitted to the guide shaft 260, and is positioned between the fixed plate 254 of the moving pad 250 and the cylinder 231.
  • control unit 270 for controlling the operation of the operation unit 230 is provided.
  • control unit 270 is provided with a pump 272 connected to the air injection pipe 247 formed in the air tank 240 of the operating unit 230, the guide shaft 260 on the rear of the flange 246
  • the limit switch 274 is provided to be positioned on the same line as.
  • the pressure switch 272a for controlling the pressure of the air tank 240 is provided to detect when the pressure of the air tank 240 is dropped and the pump 272 by the pressure switch 272a to operate the air tank Air is supplied to the 240.
  • the pressure switch 272a is able to maintain a state in which the air tank 240 is always filled with air of a constant pressure.
  • the safety valve 276 is connected to the air tank 240 for forcibly discharging the air of the air storage chamber 242.
  • a cover member 278 that covers the control unit 270 and is fastened and fixed to the flange 246 is provided.
  • a push button 279 for manually operating the rope braking device 200 is provided.
  • the push button 279 is provided to lock the rope W by operating the rope braking device 200 when performing an elevator checkup, thereby preventing a safety accident from occurring when checking the elevator.
  • the push button 279 is automatically operated while the push button 279 is kept in the ON state.
  • Figure 6 (a) and (b) is a view showing the working relationship for the elevator rope braking apparatus according to the present invention.
  • the controller (not shown) of the elevator detects such a malfunction and controls the control of the controller.
  • the rope braking device 200 is operated.
  • the controller detects this information and inputs the information.
  • the solenoid valve 244d is opened.
  • the air stored in the air tank 240 is supplied to the pneumatic chamber 232 of the cylinder 231 through the air supply pipe 244c.
  • the guide shaft 260 is fastened and fixed to the fastening hole 246a formed in the flange 246 of the cylinder rod 244
  • the retractor is retracted along the guide hole 234 of the cylinder 231, and the resilient member 266 is retracted in a pressurized state when the guide shaft 260 is retracted along the guide hole 234.
  • the moving pad 250 fastened to the guide shaft 234 is retracted, and the guide shaft 260 touches the limit switch 274 while retreating with the air tank 240.
  • the moving rod 250 is operated by the guide shaft 260 while the cylinder rod 244 is withdrawn from the cylinder 231, thereby fixing the fixed pad 236 and the moving pad. Locking by pressing the rope (W) located between the 250 and at the same time the guide shaft 260 touches the limit switch 274 to stop the operation of the elevator.
  • the pressure switch 272a detects the pump 272.
  • the moving pad 250 is returned to its original shape by the elastic force of the elastic member 266, so that the moving pad 250 is released from the rope W and the locked state is released, thereby enabling normal driving of the vehicle. .
  • the solenoid valve 244d is manually operated to operate the air tank ( When the compressed air of 240 is removed, the moving pad 250 is released from the locking state of the rope W by the elastic force of the elastic member 266, so that the driving car can be driven.
  • the inclination angle of the rope braking device 200 can be adjusted by using the inclination adjustment bolt 218 fastened and fixed to the arc-shaped long hole 214 formed on the side of the fixed plaque 210.
  • the present invention relates to a rope braking device for an elevator, and more particularly, an elevator for automatically stopping an elevator in the event of a power failure, an overspeed rising or falling due to an abnormal operation, a descending operation, an opening or closing state of a door, and an outage. It relates to a rope braking device for.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

La présente invention concerne un dispositif de freinage à corde pour un ascenseur, et plus spécifiquement un dispositif de freinage à corde pour un ascenseur conçu pour permettre un freinage automatique de l'ascenseur en cas de panne de courant ou lorsque l'ascenseur monte/descend à une vitesse excessivement élevée ou qu'il fonctionne avec les portes qui s'ouvrent et se ferment en raison d'une panne mécanique ou d'un dysfonctionnement. A cet effet, le dispositif de freinage à corde pour ascenseur selon l'invention comprend une paire de cadres de fixation, un cadre de support agencé sur les parties intérieures de la paire de cadres de fixation et une unité de commande agencée sur le cadre de support et équipée d'un réservoir d'air et d'un cylindre de manière à pouvoir bloquer/libérer une corde ; une tige de cylindre et un réservoir d'air étant formés d'un seul tenant et reliés au cylindre de l'unité de commande.
PCT/KR2010/008122 2009-11-17 2010-11-17 Dispositif de freinage à corde pour un ascenseur WO2011062411A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201080061635.2A CN102781805B (zh) 2009-11-17 2010-11-17 电梯用绳索制动装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020090111065A KR101001648B1 (ko) 2009-11-17 2009-11-17 엘리베이터용 로프 제동장치
KR10-2009-0111065 2009-11-17

Publications (2)

Publication Number Publication Date
WO2011062411A2 true WO2011062411A2 (fr) 2011-05-26
WO2011062411A3 WO2011062411A3 (fr) 2011-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/008122 WO2011062411A2 (fr) 2009-11-17 2010-11-17 Dispositif de freinage à corde pour un ascenseur

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KR (1) KR101001648B1 (fr)
CN (1) CN102781805B (fr)
WO (1) WO2011062411A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102774775A (zh) * 2012-08-06 2012-11-14 吴江信谊精密五金有限公司 电梯曳引绳的稳定型制动器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6632560B2 (ja) * 2017-03-28 2020-01-22 株式会社日立ビルシステム エレベーター装置及びロープブレーキ装置の位置調整方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000078660A1 (fr) * 1999-06-19 2000-12-28 Kisan Information System Corp. Dispositif de freinage de secours a corde pour systemes elevateurs
KR200389125Y1 (ko) * 2005-04-22 2005-07-07 주식회사 케이.알 공압식 로프브레이크 구조
KR100615622B1 (ko) * 2004-01-29 2006-08-25 오인수 엘리베이터용 로프 제동장치
JP2007001725A (ja) * 2005-06-24 2007-01-11 Yuken Kogyo Co Ltd エレベータ非常用ロープブレーキ装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB890988A (en) * 1957-02-22 1962-03-07 Robey And Co Ltd Improvements to the braking of single-or multi-rope friction hoists and winders
JPH10129955A (ja) * 1996-10-31 1998-05-19 Riko Kogyo Kk エレベーター
KR200221450Y1 (ko) * 2000-10-21 2001-04-16 편준기 엘리베이터용 로프 제동장치
KR100615623B1 (ko) * 2004-01-29 2006-08-25 오인수 엘리베이터용 로프 제동장치
CN2732700Y (zh) * 2004-09-02 2005-10-12 杭州沪宁电梯配件厂 一种驱动电梯制动刹车块的弹簧机构
JP2009220931A (ja) * 2008-03-14 2009-10-01 Toshiba Elevator Co Ltd エレベータのロープブレーキ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000078660A1 (fr) * 1999-06-19 2000-12-28 Kisan Information System Corp. Dispositif de freinage de secours a corde pour systemes elevateurs
KR100615622B1 (ko) * 2004-01-29 2006-08-25 오인수 엘리베이터용 로프 제동장치
KR200389125Y1 (ko) * 2005-04-22 2005-07-07 주식회사 케이.알 공압식 로프브레이크 구조
JP2007001725A (ja) * 2005-06-24 2007-01-11 Yuken Kogyo Co Ltd エレベータ非常用ロープブレーキ装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102774775A (zh) * 2012-08-06 2012-11-14 吴江信谊精密五金有限公司 电梯曳引绳的稳定型制动器
CN102774775B (zh) * 2012-08-06 2015-06-10 吴江信谊精密五金有限公司 电梯曳引绳的稳定型制动器

Also Published As

Publication number Publication date
CN102781805B (zh) 2015-08-19
KR101001648B1 (ko) 2010-12-17
CN102781805A (zh) 2012-11-14
WO2011062411A3 (fr) 2011-10-27

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