WO2003074407A1 - Testeur d'arret d'urgence d'un ascenseur - Google Patents
Testeur d'arret d'urgence d'un ascenseur Download PDFInfo
- Publication number
- WO2003074407A1 WO2003074407A1 PCT/JP2002/002080 JP0202080W WO03074407A1 WO 2003074407 A1 WO2003074407 A1 WO 2003074407A1 JP 0202080 W JP0202080 W JP 0202080W WO 03074407 A1 WO03074407 A1 WO 03074407A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- emergency stop
- counterweight
- rope
- elevator
- car
- Prior art date
Links
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
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
- B66B5/0093—Testing of safety devices
-
- 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
Definitions
- the present invention relates to an emergency stop test device for an elevator.
- elevators are required to be equipped with safety devices that securely hold the car in case the car cannot be suspended due to ropes, for example.
- safety check of the elevator equipped with the emergency stop device the safety of the emergency stop device itself must be confirmed naturally, but whether the emergency stop device is actually securely installed in the elevator overnight Also, it is equally important to confirm that the operation is reliable.
- the standard EN81 of the Lift Directive for elevators specifies how to ensure that safety devices are working before the installation of the elevator is completed and handed over to the user. I have. And this method is generally adopted.
- the traction capacity (friction force) of the rope and sheave depends on many factors such as the shape of the sheave, the winding angle, the total weight of the car and the weight, and the optimum traction capacity for the elevator is determined. Therefore, it is difficult to set a traction capacity suitable for testing the safety gear of the conventional method described above. That is, in general, the traction capacity is often designed with a margin, so that the output torque of the hoist must be reduced in order for the rope to slide on the sheave as described in (1) of the above standard. You have to make it big.
- the output torque of the hoist must be increased by lifting the weight side and loosening the car side rope as described in (2) above. At this time, if the maximum torque of the hoist is small, the rope cannot slide on the sheave, and the hoist cannot rotate and stalls.
- Japanese Unexamined Patent Application Publication Nos. 5-29545 and 6-136553 describe measures against this.
- the method described in these publications does not increase the drive unit (Invera) that drives the motor of the hoisting machine to perform the catch test of the emergency stop without increasing the capacity to drive heavy load for the catch test.
- the purpose is to achieve the capacity required for normal elevator operation.
- the method described in Japanese Patent Application Laid-Open No. H5-29247575 increases the current of the torque current component by increasing the exciting current with respect to the inverting output and performing so-called stronger field operation. To prevent an increase in inverter capacity.
- an object of the present invention is to provide an inexpensive electric machine in which the output torque of the hoist is minimized necessary for operation and the increase in the rated torque is suppressed. Disclosure of the invention
- the present invention provides a car, a counterweight, a rope connecting the basket and the counterweight, A hoist on which the rope is suspended and which drives the car and the counterweight; a guide rail provided so as to extend in a moving direction of the car in a hoistway on which the car moves; An emergency stop device attached to the car and gripping the car against the guide rail when an abnormality occurs, and a tension detector attached to the car side of the mouthpiece and measuring a tension of the rope, The output of the tension detector when the hoist winds up the counterweight at the maximum torque required for the driving of the elevator overnight is the difference between the force generated by the counterweight and the traction capacity.
- the output of the tension detector when the hoist winds up the counterweight with the maximum torque required for the driving of the eleventh night is equal to the force and traction generated by the counterweight.
- Ability and Safety gear when less than the difference is very stop testing apparatus Erebeta determining that it is safe. It is possible to detect the torque generated by the hoist from the output of the tension detector. The safety of the emergency stop device can now be checked even if the robot stalls while generating torque.
- the improved emergency stop test device of the above-mentioned elevator further comprising an indicator for displaying an output of the tension detector.
- the output of the tension detector can be easily checked on the display, enabling a highly reliable test.
- the display is displayed on a display device installed at a landing.
- the output of the tension detector can be easily visually recognized by the display installed at the landing.
- the present invention provides the improved elevator emergency stop test device described above, wherein the emergency stop device includes a gripping force confirmation unit that confirms safety of a gripping force for gripping the guide rail, and the gripping force confirmation unit.
- the gripping force checking means if the maximum torque of the hoist required for the operation of the elevator is generated in the hoist, for example, the traction capability is too high and the hoist generates torque. Even if a stall has occurred, the safety of the safety gear can be checked.
- FIG. 1 is a schematic diagram showing an emergency stop test device for an elevator according to a first embodiment of the present invention.
- FIG. 2 is a schematic diagram showing an operation state of the elevator.
- FIG. 3 is a schematic diagram showing an operating state of the elevator.
- FIG. 4 is a schematic diagram showing an operating state of the elevator.
- FIG. 5 is a schematic diagram showing the operating state of the elevator.
- FIG. 6 is a block diagram showing a functional configuration of the emergency stop test device of the elevator.
- FIG. 7 is a flowchart showing the procedure of the test by the safety gear test device.
- FIG. 8 is a schematic diagram showing an emergency stop test device for an elevator according to a second embodiment of the present invention.
- FIG. 1 is a schematic diagram showing an emergency stop test device for an elevator according to a first embodiment of the present invention.
- 1 is an elevator car on which people and things are placed
- 2 is a counterweight
- 3 is a hoist sheave
- 4 is a rope.
- a cage 1 and a counterweight 2 are fixed to both ends of the rope 4, respectively.
- the rope 4 is suspended by a hoist sheave.
- Reference numeral 5 denotes an emergency stop device attached to the car 1
- reference numeral 6 denotes a car rail.
- 7 is a rope tension detector provided at one end of the rope 4 on the side of the car 1
- 8 is a display for displaying the tension
- 9 is the hoistway
- 10 is the rotation of the hoisting machine sheave 3. Brakes are shown.
- FIGS. 2 to 5 are schematic diagrams showing the four types of operating states of the elevator.
- the emergency stop device 5 provided on the car 1 is engaged with the rail 6.
- the emergency stop device 5 is Have been.
- FIG. 2 shows a state where the brake 10 of the hoisting sheave 3 is released. In this state, no rotating torque is generated in the winding machine sheave 3.
- FIG. 3 shows a state in which the hoist sheave 3 is rotating, but the rope 4 is slipping on the hoist sheave 3. Therefore, in this state, the car 1 is in a stopped state.
- FIG. 4 shows a state where the hoisting machine sheave 3 lifts the counterweight 2 with the traction capacity and the rope 4 on the car 1 side is loosened.
- FIG. 5 shows a state in which the hoisting machine sheave 3 is stalled while generating torque.
- the weight of the car 1 is M (kg)
- the load of the car is L (kg)
- the weight of the weight is W (kg).
- the forces generated between the hoisting sheave 3 and the rope 4 are referred to as FA, FB, FC, and FD, respectively.
- FC Wg (g is the gravitational acceleration, the same applies hereinafter) because the rope on the car side is loose.
- FIG. 3 shows a state in which the sliding force exceeds the limit of the frictional force between the hoisting sheave 3 and the rope 4. Therefore, FB is a frictional force determined by the dynamic friction coefficient between the hoisting sheave 3 and the rope 4.
- FD is the force corresponding to the torque limit value when the hoisting machine sieve 3 is stalled.
- the "gripping force of the safety gear 5" that is, the “force applied to the safety gear 5 that stops the car 1 by engaging the car rail 6" is directed upward.
- SA, SB, SC, and SD respectively,
- SB (M + L-W) + FB
- condition (1) above corresponds to the condition shown in Fig. 3 because the rope 4 slides on the hoist sheave 3. In order to satisfy this condition, it is sufficient that the gripping force SB of the safety gear 5 in the state of FIG. 3 is equal to or more than (M + L ⁇ W) + FB.
- FB is a frictional force generated between the rope 4 and the hoisting machine sheave 3 when the rope 4 slides on the hoisting machine sheave 3.
- the value of FB is equal to or less than the static friction force generated just before the rope 4 and the hoisting sheave 3 start to slide. If the value of FB is the static friction force immediately before sliding out, it can be said that FB is at least equal to or greater than the minimum traction capacity Tm required for the elevator.
- the minimum required traction capacity of the elevator is within the permissible range in terms of actual performance and regulations as long as the required overload can be raised from the lowest floor.
- the traction capacity Tm can be easily calculated from the elevator capacity, the up-and-down stroke, and the number of ropes. In the actual elevator, FB ⁇ Tm always holds because the minimum traction capacity is designed with a margin. If the hoisting sheave 3 and the ropes 4 slip below the minimum necessary traction capacity, the car 1 cannot be driven.
- DA, DB, DC, and DD indicate the output values of the tension detector 7 attached to the car 1 side, that is, the values displayed on the display 8.
- Each value is
- W is the weight of the counterweight 2, which is determined every evening.
- Tm the traction capacity
- the operation of the safety device 5 can be easily and safely checked even in an elevator without a machine room. Also, if the display of the display device 8 is displayed on the position display device of the car 1 installed at the landing, the operation of the emergency stop device 5 can be confirmed at a lower cost.
- FIG. 6 is a block diagram showing a functional configuration of the emergency stop test device of the elevator according to the present embodiment.
- the test apparatus includes a main rope tension measuring device 11, a system data storage unit 12, an emergency stop gripping force confirmation unit 13, and a display unit 14.
- the main rope tension measuring device 11 is provided at the hanging point of the cage 1 of the rope 4 and measures the tension of the mouthpiece 4.
- the system data storage section 12 stores the gravity of the counterweight 2 and the value of the traction capacity of the hoist sheave 3. These values may be input each time a measurement is made, or data stored in the control device of the elevator may be downloaded and used.
- the emergency stop gripping force confirmation means 1 3 calculates that the measured rope tension DD is the same as or greater than the value obtained by subtracting the traction capacity Tm from the weight Wg of the counterweight 2 (counter weight), Check whether the gripping force of the device 5 is sufficient.
- the display means 14 displays whether or not the gripping force of the safety device 5 is sufficient.
- Figure 7 is a flow chart showing the test procedure using the emergency stop test device.
- step S1 a system data input process is performed.
- values such as the weight of the counterweight 2 and the traction capacity of the hoist sheave 3 are input to the system data storage unit 12.
- step S2 an emergency stop operation process is performed.
- the emergency stop device 5 is operated to engage the car rail 6.
- step S3 a tension measuring step is performed.
- the brake 10 is released to the hoisting sheave 3, and the maximum torque of the hoisting sheave 3 is increased in the direction in which the car 1 descends. And measure the tension of rope 4 during that time. At this time, it is not always necessary to slip the rope 4 and the winding machine sieve 3.
- step S4 a gripping force confirmation calculation step is performed.
- the emergency stop gripping force checking means 13 confirms whether the gripping force of the emergency stop device 5 is sufficient.
- step S5 a confirmation result display step is performed. Here, whether or not the gripping force of the emergency stop device 5 is sufficient is displayed by the display means 14.
- the second embodiment shows a case of 2: 1 bing and one bing. That is, one end of the rope 4 is not fixed to the counterweight 2 but is turned upward by the return wheel 15 on the counterweight 2 and fixed to the upper part of the hoistway.
- components having the same functions as those in the first embodiment are denoted by the same reference numerals.
- the tension detector 7 is provided at the hitch end (hanging) portion of the rope 4 suspended from the hoistway on the car 1 side.
- FIG. 8 shows the case of under slang (Under shmg), but the principle is the same for Upper slang (Upper slung). Is desirable. Industrial applicability
- the emergency stop test device for an elevator in accordance with the present invention has a traction capacity that is too high if the maximum torque of the hoisting machine required for operation of the elevator is generated. Even if the upper machine stalls while generating torque, which was to allow the safety check location, the ⁇ as reduced the manufacturing cost test equipment elevator, mm m ⁇ a
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2002/002080 WO2003074407A1 (fr) | 2002-03-06 | 2002-03-06 | Testeur d'arret d'urgence d'un ascenseur |
JP2003572887A JP4079886B2 (ja) | 2002-03-06 | 2002-03-06 | エレベータの非常止め試験装置 |
EP02702764A EP1481933B1 (en) | 2002-03-06 | 2002-03-06 | Emergency stop testing method of elevator |
CN02804827.XA CN1318287C (zh) | 2002-03-06 | 2002-03-06 | 电梯的紧急制动试验装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2002/002080 WO2003074407A1 (fr) | 2002-03-06 | 2002-03-06 | Testeur d'arret d'urgence d'un ascenseur |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003074407A1 true WO2003074407A1 (fr) | 2003-09-12 |
Family
ID=27773234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/002080 WO2003074407A1 (fr) | 2002-03-06 | 2002-03-06 | Testeur d'arret d'urgence d'un ascenseur |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1481933B1 (ja) |
JP (1) | JP4079886B2 (ja) |
CN (1) | CN1318287C (ja) |
WO (1) | WO2003074407A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007008669A (ja) * | 2005-06-30 | 2007-01-18 | Hitachi Ltd | エレベータ装置 |
JP2007217154A (ja) * | 2006-02-20 | 2007-08-30 | Hitachi Ltd | エレベーター試験方法、その補助装置及びエレベーター装置 |
JP2014061967A (ja) * | 2012-09-20 | 2014-04-10 | Mitsubishi Electric Corp | エレベータ装置及びエレベータ制御方法 |
WO2015166602A1 (ja) * | 2014-04-30 | 2015-11-05 | 三菱電機株式会社 | エレベーター装置およびエレベーター点検方法 |
KR20200138385A (ko) | 2018-05-09 | 2020-12-09 | 미쓰비시덴키 가부시키가이샤 | 엘리베이터 장치 및 비상 정지 장치의 시험 방법 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101932520B (zh) * | 2008-04-08 | 2012-10-03 | 三菱电机株式会社 | 电梯装置及其试验方法 |
CN103231959B (zh) * | 2013-04-11 | 2015-07-08 | 中国特种设备检测研究院 | 一种电梯试验用的永磁涡流线性制动系统 |
KR20190051063A (ko) * | 2016-11-01 | 2019-05-14 | 미쓰비시덴키 가부시키가이샤 | 엘리베이터 장치, 및 저울 장치의 교정 방법 |
JP6610914B2 (ja) * | 2016-11-21 | 2019-11-27 | 三菱電機株式会社 | エレベータの非常止め装置の検査方法 |
CN106946113B (zh) * | 2017-05-15 | 2017-12-26 | 暨南大学 | 一种无载电梯制动器摩擦力矩测试方法 |
EP3456674B1 (en) | 2017-09-15 | 2020-04-01 | Otis Elevator Company | Elevator tension member slack detection system and method of performing an emergency stop operation of an elevator system |
EP3560874B1 (en) | 2018-04-26 | 2021-12-01 | KONE Corporation | A method and apparatus for condition monitoring of an inductive brake of an elevator car |
EP3705441A1 (en) * | 2019-03-05 | 2020-09-09 | KONE Corporation | A method for controlling an elevator |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05105349A (ja) * | 1991-10-14 | 1993-04-27 | Hitachi Building Syst Eng & Service Co Ltd | エレベータのロープ張力測定装置 |
JPH0613394B2 (ja) * | 1985-09-03 | 1994-02-23 | 株式会社日立製作所 | エレベーターの非常止め装置の試験方法 |
JP3061939B2 (ja) * | 1992-04-21 | 2000-07-10 | 株式会社東芝 | エレベーターの制御装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6216994A (ja) * | 1985-07-12 | 1987-01-26 | 株式会社日立製作所 | エレベ−タ−のインバ−タ制御装置 |
FI84105C (fi) * | 1989-11-10 | 1991-10-10 | Kone Oy | Foerfarande och anordning foer att bilda belastningsdata i en hiss. |
DE4311011C2 (de) * | 1992-07-24 | 1994-07-14 | Arno John | Verfahren und Vorrichtung zur Prüfung eines Aufzugs mit Treibscheibenantrieb |
JPH06135653A (ja) * | 1992-10-23 | 1994-05-17 | Mitsubishi Electric Corp | 交流エレベータの制御装置 |
US6325179B1 (en) * | 2000-07-19 | 2001-12-04 | Otis Elevator Company | Determining elevator brake, traction and related performance parameters |
JP2003002564A (ja) * | 2001-06-22 | 2003-01-08 | Mitsubishi Electric Corp | エレベータ装置 |
-
2002
- 2002-03-06 EP EP02702764A patent/EP1481933B1/en not_active Expired - Lifetime
- 2002-03-06 WO PCT/JP2002/002080 patent/WO2003074407A1/ja active Application Filing
- 2002-03-06 JP JP2003572887A patent/JP4079886B2/ja not_active Expired - Fee Related
- 2002-03-06 CN CN02804827.XA patent/CN1318287C/zh not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0613394B2 (ja) * | 1985-09-03 | 1994-02-23 | 株式会社日立製作所 | エレベーターの非常止め装置の試験方法 |
JPH05105349A (ja) * | 1991-10-14 | 1993-04-27 | Hitachi Building Syst Eng & Service Co Ltd | エレベータのロープ張力測定装置 |
JP3061939B2 (ja) * | 1992-04-21 | 2000-07-10 | 株式会社東芝 | エレベーターの制御装置 |
Non-Patent Citations (1)
Title |
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See also references of EP1481933A4 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007008669A (ja) * | 2005-06-30 | 2007-01-18 | Hitachi Ltd | エレベータ装置 |
JP4580828B2 (ja) * | 2005-06-30 | 2010-11-17 | 株式会社日立製作所 | エレベータ装置 |
JP2007217154A (ja) * | 2006-02-20 | 2007-08-30 | Hitachi Ltd | エレベーター試験方法、その補助装置及びエレベーター装置 |
JP4706498B2 (ja) * | 2006-02-20 | 2011-06-22 | 株式会社日立製作所 | エレベーター試験方法、その補助装置及びエレベーター装置 |
JP2014061967A (ja) * | 2012-09-20 | 2014-04-10 | Mitsubishi Electric Corp | エレベータ装置及びエレベータ制御方法 |
WO2015166602A1 (ja) * | 2014-04-30 | 2015-11-05 | 三菱電機株式会社 | エレベーター装置およびエレベーター点検方法 |
JP6026054B2 (ja) * | 2014-04-30 | 2016-11-16 | 三菱電機株式会社 | エレベーター装置およびエレベーター点検方法 |
US10421639B2 (en) | 2014-04-30 | 2019-09-24 | Mitsubishi Electric Corporation | Elevator system and elevator inspection method for driving a hoisting machine while keeping an emergency stopper operational |
KR20200138385A (ko) | 2018-05-09 | 2020-12-09 | 미쓰비시덴키 가부시키가이샤 | 엘리베이터 장치 및 비상 정지 장치의 시험 방법 |
Also Published As
Publication number | Publication date |
---|---|
JP4079886B2 (ja) | 2008-04-23 |
EP1481933B1 (en) | 2011-08-10 |
EP1481933A4 (en) | 2010-09-15 |
CN1578751A (zh) | 2005-02-09 |
JPWO2003074407A1 (ja) | 2005-06-23 |
EP1481933A1 (en) | 2004-12-01 |
CN1318287C (zh) | 2007-05-30 |
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