CN100528727C - Emergency stop device for elevator - Google Patents
Emergency stop device for elevator Download PDFInfo
- Publication number
- CN100528727C CN100528727C CNB2004800408782A CN200480040878A CN100528727C CN 100528727 C CN100528727 C CN 100528727C CN B2004800408782 A CNB2004800408782 A CN B2004800408782A CN 200480040878 A CN200480040878 A CN 200480040878A CN 100528727 C CN100528727 C CN 100528727C
- Authority
- CN
- China
- Prior art keywords
- mentioned
- misoperation
- speed
- elevator
- car
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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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
- B66B5/044—Mechanical overspeed governors
-
- 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
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
An emergency stop device for an elevator, capable of reducing delay in emergency stop operation while preventing operation errors of the device. The operation stop device for an elevator has an elevator car, a guide rail, a speed governor, a speed governor rope, a connection means connected at one end to the speed governor rope, an emergency stop means operated based on the position of the other end of the connection means and coming into contact with the guide rail in a pressing manner to obtain braking force for the elevator car, a malfunction prevention means for applying predetermined urging force to operation of the emergency stop means to prevent malfunction, and a malfunction prevention for canceling, when a predetermined speed is exceeded, the predetermined urging force applied by the malfunction prevention means.
Description
Technical field
The present invention relates to a kind of safety device that elevator emergency is stopped of being used to.
Background technology
In the emergency braking device of existing elevator, because the force of inertia of car the etc. when swing of car etc. or starting, the linkage unit of an end that is fixed with the overspeed governor of velocity limiter relatively is subjected to power upward, when the action of this overspeed governor surpasses scheduled volume, can make the emergency braking device action.
In order to tackle this situation, have the Japanese Unexamined Patent Publication No spy open in flat 5-319724 number (patent documentation 1) record about preventing the technology of misoperation.According to the prior art, thereby about rotate the top rod that brake component is moved up upward by the tractive force of overspeed governor, put down in writing such technology: the axle side end of pull bar is provided with cam thereon, and be provided with curved shoe with the cam butt, and with the predetermined coil spring of pressing this curved shoe of trying hard to recommend, make thus to be applied in more than or equal to the power of predetermined power and the action of this overspeed governor to surpass under the situation of predetermined amount, brake component is moved up at overspeed governor.
Patent documentation 1: the Japanese Unexamined Patent Publication No spy opens flat 5-319724 number
Yet, under the situation of the technology that patent documentation 1 is put down in writing, because being used in that the mechanism that prevents misoperation constitutes can be to the top rod application of force, therefore to brake component be moved up by top rod is moved, need be more than or equal to the upper pulling force of predetermined force, and cross cam face, therefore the rotation amount that top rod need be scheduled to exists promptly to stop to move the problem that lags behind that produces.
Summary of the invention
The present invention proposes in order to address the above problem, and its purpose is to provide a kind of emergency braking device of elevator, and it can also reduce promptly to stop the hysteresis of moving in the misoperation that can prevent emergency run-down unit.
The emergency braking device of elevator of the present invention is characterized in that, comprising: car; Guide rail; Velocity limiter; Overspeed governor; One end is fixed on the linkage unit on the above-mentioned overspeed governor; Emergency run-down unit, move its position according to the other end of above-mentioned linkage unit, and be used for by contacting the braking force that obtains above-mentioned car with above-mentioned guide rail pressure; Stop element is prevented in misoperation, and it is used for the action of above-mentioned emergency run-down unit is applied predetermined application force, to prevent misoperation; Misoperation prevents to remove the unit, and it surpasses under the situation of predetermined speed in car speed according to the speed of car, removes the above-mentioned predetermined application force that the anti-stop element of above-mentioned misoperation is applied.Above-mentioned misoperation prevents to remove the unit and comprises: switch, and it is arranged on the above-mentioned velocity limiter, and it is used for output signal when detecting above-mentioned predetermined speed; Electromagnetic switch, it is used to remove the above-mentioned predetermined application force that the anti-stop element of above-mentioned misoperation is applied; Control unit, it is used for the signal according to above-mentioned switch, controls the electric current that is applied on the above-mentioned electromagnetic switch.
According to the emergency braking device of this elevator, owing to comprise: car; Guide rail; Velocity limiter; Overspeed governor; One end is fixed on the linkage unit on the above-mentioned overspeed governor; Emergency run-down unit, move its position according to the other end of above-mentioned linkage unit, and be used for by contacting the braking force that obtains above-mentioned car with above-mentioned guide rail pressure; Stop element is prevented in misoperation, and it is used for the action of above-mentioned emergency run-down unit is applied predetermined application force, to prevent misoperation; Misoperation prevents to remove the unit, and it surpasses under the situation of predetermined speed in car speed according to the speed of car, removes the above-mentioned predetermined application force that the anti-stop element of above-mentioned misoperation is applied.Therefore, can improve the action hysteresis of preventing the emergency run-down unit that the application force of stop element causes because of misoperation.
Description of drawings
Fig. 1 is the figure of the emergency braking device of the elevator of the expression embodiment of the invention 1.
Fig. 2 is the constructional drawing of the emergency run-down unit 7 of the emergency braking device of the elevator of the formation embodiment of the invention 1.
Fig. 3 is the section-drawing along the B-B line of the emergency run-down unit 7 of the emergency braking device of the elevator of the formation embodiment of the invention 1.
Fig. 4 is the pipe link 14 and the action diagram of the anti-stop element 19 of misoperation and the section-drawing of the electromagnetic switch 10 of this moment of the emergency braking device of the elevator of the formation embodiment of the invention 1.
Figure when Fig. 5 constitutes emergency run-down unit 7 actions of emergency braking device of elevator of the embodiment of the invention 1 for expression.
Fig. 6 is the pipe link 23 and the action diagram of the anti-stop element 19 of misoperation and the section-drawing of electromagnetic switch 24 of the emergency braking device of the elevator of the formation embodiment of the invention 2.
Label declaration
1: guide rail; 2: car; 3: overspeed governor; 4: velocity limiter; 5: the overspeed governor tension wheel; 6: top rod; 7: emergency run-down unit; 8: switch; 9: control unit; 10: electromagnetic switch; 11: urgent locking lever; 12: the emergency run-down unit main body; 13: brake component; 14: pipe link; 15: guide; 16: roller; 17: spring; 18: pin; 19: stop element is prevented in misoperation; 20: spring; 21: the electromagnetic switch main body; 22: electromagnet; 23: pipe link; 23a: hole; 24: electromagnetic switch; 25: stop part; 26: movable piece; 26a: pin; 27: the electromagnetic switch main body; 28: stop part; 29: pointer.
The specific embodiment
Illustrate by embodiment 1 and embodiment 2 and to be used to implement preferred forms of the present invention.
Fig. 1 is the figure of the safety device of the elevator of the expression embodiment of the invention 1.
On the other hand, velocity limiter 4 is so a kind of devices: it forms discoid or spherical etc., it becomes centnifugal force with rate conversion, and utilize action of centrifugal force to adjust swivel, so that swivel is rotated with constant rotative speed, and irrelevant with the variation of the load of the equipment of rotation, and the lifting electrical motor of above-mentioned velocity limiter 4 and car synchronously rotates.For example, if the mistake speed of car is less than 1.3 times of command speed but surpass first speed as predetermined speed, then cut off the power supply that promotes electrical motor, and make magnet stopper work, yet if the mistake speed of car reaches 1.4 times second speed less than command speed less than reducing, velocity limiter 4 clamps overspeed governors 3, top rod 6 is upwards spurred, emergency run-down unit 7 actions thus.
And, on velocity limiter 4, be equipped with switch 8, when the mistake speed of car 2 reached first speed, this switch 8 was mechanically switched by the centnifugal force that rope sheave produced.When switch 8 is switched, after the control unit 9 that is electrically connected with switch 8 constitutes the connection of receiving from switch 8, the shutoff signal in the shutoff signal, make electromagnetic switch 10 actions.In addition, switch 8 also can be continued to use the mechanical type of configuration in the past and cross speed switch, and this mechanical type is crossed speed switch and is used for when reaching first speed, cuts off the power supply that promotes electrical motor.Switch 8, control unit 9 and electromagnetic switch 10 are respectively to constitute the component parts that misoperation prevents to remove the unit.
Fig. 2 is the constructional drawing of the emergency run-down unit 7 of the safety device of the elevator of the formation embodiment of the invention 1.
The other end of top rod 6 is fixed in the end as the urgent locking lever 11 of the component parts of emergency run-down unit 7 rotationally.Urgent locking lever 11 is fixed in hole 12a rotationally with respect to the emergency run-down unit main body 12 of emergency run-down unit 7.The urgent locking lever 11 of emergency run-down unit 7 is limited on the end of end of brake component 13 and pipe link 14 rotationally.In addition, urgent locking lever 11 has following structure: by stop part 28, urgent locking lever 11 can be from current location direction rotation left, and like this, top rod 6 can not move downwards from current location yet.
Because top rod 6 rises, and moves up with two brake components 13 of urgent locking lever 11 bonded assemblys.Like this, all move to the inside by 16, two brake components 13 of roller that are rotatably mounted on the guide 15, and and guide rail 1 between produce and slide, thereby obtain braking force.Guide 15 is fixed on the emergency run-down unit main body 12 by spring 17, and therefore the power that applies by 17 pairs of guides 15 of spring decides the braking force that slip produced between guide rail 1 and the brake component 13.
In Fig. 2, the other end of pipe link 14 is connected by the anti-stop element 19 of pin 18 and misoperation.On the anti-stop element 19 of the misoperation of being fixed in car 2, be equipped with spring 20, come the other end of traction bars 14 by the application force of this spring 20.
Like this, in the prior art, top rod 6 is risen by clamp overspeed governor 3 by velocity limiter 4, thereby make emergency run-down unit 7 work, at this moment, need overcome the application force that is provided in the spring 20 on the anti-stop element 19 of misoperation, therefore promptly stop action and produce hysteresis.
In embodiment 1, pin 18 constitutes parts that prevent to remove the electromagnetic switch 10 of unit as misoperation, action by electromagnetic switch 10, pin 18 moves back and forth, can between the anti-stop element 19 of pipe link 14 and misoperation, be connected thus and can remove connection between them, owing to can not be subjected to the influence of the application force of the anti-stop element 19 of misoperation, therefore can under the situation that does not produce hysteresis, promptly stop action.Below, be elaborated.
Fig. 4 is the action diagram of the pipe link 14 and the anti-stop element 19 of misoperation of the safety device of the elevator of formation embodiments of the invention 1, and the section-drawing of the electromagnetic switch 10 of this moment.Fig. 4 (a) expression situation just often, the situation when Fig. 4 (b) expression velocity limiter 4 reaches first speed, the situation when Fig. 4 (c) expression velocity limiter 4 reaches second speed.
In Fig. 4 (a), the figure of downside is the action diagram of pipe link 14 and the anti-stop element 19 of misoperation, and the figure of upside is the section-drawing of the electromagnetic switch 10 of this moment.Pin 18 is connected with electromagnetic switch main body 21 via spring 20, by spring 20, sells 18 power that are applied in all the time towards electromagnetic switch main body 21 directions.But,, therefore sell 18 states that are fixed in electromagnet 22 butts because electric current flows through the electromagnet 22 that is fixed on the electromagnetic switch main body 21 all the time.Thereby, owing to be positioned at electromagnet 22 sides at normal conditions pin 18, therefore chimeric by pin, pipe link 14 be located at misoperation and prevent that the hole on the stop element 19 is connected.
In Fig. 4 (b), when velocity limiter 4 reaches first speed as predetermined speed, the switch 8 that is provided on the velocity limiter 4 is switched, after the control unit 9 that is electrically connected with switch 8 is received the shutoff signal of switch 8, with the failure of current of the electromagnet 22 in the electromagnetic switch 10, above-mentioned electromagnetic switch 10 is component parts of emergency run-down unit 7.Like this, by the tractive force of spring 20, pin 18 is moved upward, thereby makes pipe link 14 and the anti-stop element 19 of misoperation become unconnected state.
In Fig. 4 (c), when velocity limiter 4 reaches second speed,, make that top rod 6 is spurred upward by clamping overspeed governor 3 by velocity limiter 4.Then, be fixed in urgent locking lever 11 rotations of top rod 6 rotationally, by this rotation, pipe link 14 moves to the left.At this moment, the anti-stop element 19 of pipe link 14 and misoperation has become unconnected state.And by pointer 29, indication does not have connected pipe link 14 to move at non-rotary state lower edge left and right directions.
Figure when Fig. 5 represents to constitute emergency run-down unit 7 actions of elevator emergency stop device of first embodiment of the invention.
Because the anti-stop element 19 of pipe link 14 and misoperation is in unconnected state, therefore when top rod 6 is subjected to upward power, top rod 6 is moved upward, rotation by urgent locking lever 11, brake component 13 also is moved upward, therefore produce between guide rail 1 and the brake component 13 and slide, can obtain braking force, thereby promptly stop action.At this moment,, can not be subjected to the application force influence of the anti-stop element 19 of misoperation yet, therefore can under the situation that does not produce hysteresis, promptly stop action even because top rod 6 is subjected to power upward.
So, according to embodiment 1, owing to comprise: car 2; Guide rail 1; Velocity limiter 4; Overspeed governor 3; One end is fixed on the top rod 6 on the above-mentioned overspeed governor 3; Emergency run-down unit 7, move its position according to the other end of above-mentioned top rod 6, and by and above-mentioned guide rail 1 between produce to slide and to obtain the braking force of above-mentioned car 2; Stop element 19 is prevented in misoperation, is used to apply predetermined load so that emergency run-down unit 7 actions; Electromagnetic switch 10, the control that it carries out according to the signal from switch 8 inputs by control unit 9, remove the predetermined load that imposes on the anti-stop element 19 of misoperation, therefore, can improve the action hysteresis of preventing the emergency run-down unit 7 that the application force of stop element 19 causes because of misoperation.
And, in Fig. 5, when the speed of car 2 reduces and becomes less than second speed by promptly stopping action, owing to remove the clamping of 4 pairs of overspeed governors 3 of velocity limiter, therefore by top rod 6, brake component 13, urgent locking lever 11 anti-clockwise rotations, and stop on the position shown in Fig. 2.Like this, be arranged on urgent locking lever 11 bonded assembly pipe links 14 on the hole, consistent with the center in hole on being arranged on the anti-stop element 19 of misoperation.Then, when becoming less than first speed when the further reduction of the speed of car 2, be fixed on the switch 8 output connection signals on the velocity limiter 4,9 pairs of electromagnetic switchs 10 of control unit of receiving this signal apply electric current, therefore sell 18 and move, thereby make pipe link 14 and the anti-stop element 19 of misoperation couple together.Thereby, even after promptly stopping action, also can automatically restore to common operative condition.
In addition, in embodiment 1, about top rod 6, so long as connect the unit of velocity limiter 4 and urgent locking lever 11, just not needing must be bar, promptly uses rope to wait formation, also can constitute embodiment 1.
And, constitute: when reaching predetermined first speed, the control unit 9 that is electrically connected with switch 8 is after the shutoff signal of receiving switch 8, failure of current with the electromagnet 22 in the electromagnetic switch 10, above-mentioned electromagnetic switch 10 is the component parts of emergency braking device 7, but also can constitute conversely: when reaching predetermined first speed, the control unit 9 that is electrically connected with switch 8 is after the connection signal of receiving switch 8, electromagnet 22 in the electromagnetic switch 10 is applied electric current, and above-mentioned electromagnetic switch is the component parts of emergency braking device 7.But, in this case, the pattern of wants is: in the structure of electromagnetic switch 10, spring 20 produces the power of the direction that makes electromagnetic switch main body 21 and pin 18 butts all the time, flow through at electric current under the situation of electromagnetism spare 22, in order to make not butt of electromagnetic switch main body 12 and pin 18, for example must make the position of electromagnet 22 be positioned at the upside of pin 18.
In addition, about first speed and second speed, satisfy such condition: second speed is greater than first speed, and first speed is greater than command speed, and still, being not limited to illustrated is 1.3 times or 1.4 times of command speed.
With respect to embodiment 1,2 pairs of misoperations of embodiment prevent to remove the unit and describe for the situation of other structures.Fig. 6 is pipe link 23 and the action diagram of the anti-stop element 19 of misoperation and the section-drawing of electromagnetic switch 24 of the emergency braking device of the elevator of the formation embodiment of the invention 2.
In addition, Biao Shi parts are not identical with embodiment 1, and in Fig. 6, the label identical with Fig. 4 represented part identical or that be equal to.
In Fig. 6 (a), the end that urgent locking lever 11 and the pipe link 23 that is fixed together with it are fixed into them can rotate.And the other end of pipe link 23 is formed with the hole 23a of L word shape, hole 23a and be fixed on misoperation and prevent shaft-like stop part 25 engaging in the portion 19.And pipe link 23 is chimeric with the movable piece 26 that is fixed with two pin 26a.And movable piece 26 is parts that constitute electromagnetic switch 24, and other component parts that prevent to remove the electromagnetic switch 24 of unit as misoperation comprise: electromagnetic switch main body 27; Spring 20, it produces thrust pressure between electromagnetic switch main body 27 and movable piece 26; Electromagnet 22, it is fixed on the electromagnetic switch main body 27, and and movable piece 26 between produce attractive force.
Usually, because electric current flows through the electromagnet 22 that is fixed on the electromagnetic switch 24 all the time, so movable piece 26 is fixed on the state with electromagnet 22 butts.Thereby, be fixed on misoperation in the time of usually and prevent that the position of the shaft-like stop part 25 in the portion 19 is positioned at the upside of the hole 23a of L word shape, therefore, prevent the application force of portion 19 by misoperation, pipe link 23 can not use the power less than this application force to move along left and right directions.
In Fig. 6 (b), when velocity limiter 4 reaches first speed as predetermined speed, the switch 8 that is equipped on velocity limiter 4 is switched, the control unit 9 that is electrically connected with switch 8 is after the shutoff signal of receiving switch 8, with the failure of current of the electromagnet 22 in the electromagnetic switch 24, wherein, above-mentioned electromagnetic switch 24 is component parts of emergency run-down unit 7, by the tractive force of spring 20, movable piece 26 is moved upward, thereby makes and also to be moved upward with the chimeric pipe link 23 of movable piece 26.Like this, the position of stop part 25 moves down with respect to the hole 23a of the L word shape of pipe link 23, thereby pipe link 23 can sway and is not subjected to misoperation to prevent that the application force of portion 19 from influencing.
Among Fig. 6 (c), when velocity limiter 4 reaches second speed,, make that top rod 6 is spurred upward by clamping overspeed governor 3 by velocity limiter 4.And, be rotatably mounted to urgent locking lever 11 rotations on the top rod 6, by this rotation, pipe link 23 moves to the left.At this moment, because pipe link 23 and misoperation prevent that portion 19 has been in unconnected state because of the shape of the hole 23a of pipe link 23, therefore be not subjected to misoperation to prevent the influence of the application force of portion 19, thereby can under the situation that does not produce hysteresis, promptly stop action.Thereby, can obtain the effect identical with embodiment 1.
The emergency braking device of elevator of the present invention is applicable to the safety device of elevator.
Claims (1)
1. the emergency braking device of an elevator is characterized in that, comprising:
Car; Guide rail; Velocity limiter; Overspeed governor; One end is fixed on the linkage unit on the above-mentioned overspeed governor; Emergency run-down unit, move its position according to the other end of above-mentioned linkage unit, and be used for by contacting the braking force that obtains above-mentioned car with above-mentioned guide rail pressure; Stop element is prevented in misoperation, and it is used for the action of above-mentioned emergency run-down unit is applied predetermined application force, to prevent misoperation; Misoperation prevents to remove the unit, it is according to the speed of car, surpass under the situation of predetermined speed in car speed, remove the above-mentioned predetermined application force that the anti-stop element of above-mentioned misoperation is applied, above-mentioned misoperation prevents to remove the unit and comprises: switch, it is arranged on the above-mentioned velocity limiter, and it is used for output signal when detecting above-mentioned predetermined speed; Electromagnetic switch, it is used to remove the above-mentioned predetermined application force that the anti-stop element of above-mentioned misoperation is applied; Control unit, it is used for the signal according to above-mentioned switch, controls the electric current that is applied on the above-mentioned electromagnetic switch.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2004/015895 WO2006046284A1 (en) | 2004-10-27 | 2004-10-27 | Emergency stop device for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1930072A CN1930072A (en) | 2007-03-14 |
| CN100528727C true CN100528727C (en) | 2009-08-19 |
Family
ID=36227536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800408782A Expired - Fee Related CN100528727C (en) | 2004-10-27 | 2004-10-27 | Emergency stop device for elevator |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1806310B1 (en) |
| JP (1) | JPWO2006046284A1 (en) |
| CN (1) | CN100528727C (en) |
| WO (1) | WO2006046284A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107074489A (en) * | 2014-09-22 | 2017-08-18 | 三菱电机株式会社 | Lift appliance |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2837592A1 (en) * | 2013-08-13 | 2015-02-18 | Aplicaciones Electromecanicas Gervall, S.A. | Driving system for a lift safety gear |
| DE112015007155T5 (en) * | 2015-11-26 | 2018-08-09 | Mitsubishi Electric Corporation | EMERGENCY STOP DEVICE FOR A LIFT CABIN |
| EP3309104B1 (en) * | 2016-10-14 | 2019-10-09 | KONE Corporation | Method for avoiding unwanted safety gear tripping in an elevator system, controller adapted to perform such a method, governor brake and elevator system each having such a controller |
| CN109693986B (en) * | 2017-10-23 | 2021-03-12 | 上海三菱电梯有限公司 | Method for preventing elevator from accidental braking |
| CN110282519B (en) * | 2018-03-19 | 2022-05-17 | 奥的斯电梯公司 | Speed limiting system, releasing device, elevator speed limiting system and elevator |
| CN110526048B (en) * | 2019-08-08 | 2022-01-07 | 深圳市海浦蒙特科技有限公司 | Control method and system for forced drive elevator |
| CN115397760B (en) * | 2020-04-21 | 2023-04-28 | 株式会社日立制作所 | Emergency braking device and elevator |
| WO2022013939A1 (en) * | 2020-07-14 | 2022-01-20 | 株式会社日立製作所 | Elevator device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6031749B2 (en) * | 1977-08-13 | 1985-07-24 | 株式会社日立製作所 | elevator safety device |
| JP2626408B2 (en) * | 1992-05-20 | 1997-07-02 | 三菱電機株式会社 | Emergency stop device for elevator |
| US6161653A (en) * | 1998-12-22 | 2000-12-19 | Otis Elevator Company | Ropeless governor mechanism for an elevator car |
| JP2000219450A (en) * | 1999-02-01 | 2000-08-08 | Toshiba Corp | Elevator device |
| JP2001122549A (en) * | 1999-10-25 | 2001-05-08 | Hitachi Ltd | Governor for elevator |
| JP2002068634A (en) * | 2000-08-29 | 2002-03-08 | Hitachi Ltd | Emergency stopping device of elevator |
| JP4369156B2 (en) * | 2002-05-02 | 2009-11-18 | インベンテイオ・アクテイエンゲゼルシヤフト | Equipment for engaging safety brakes for elevator cars |
| DE10300993A1 (en) * | 2003-01-14 | 2004-07-22 | Aufzugswerke M. Schmitt & Sohn Gmbh & Co. | Brake device for an elevator system |
| MY135853A (en) * | 2003-02-04 | 2008-07-31 | Inventio Ag | Safety device for an elevator |
-
2004
- 2004-10-27 WO PCT/JP2004/015895 patent/WO2006046284A1/en active Application Filing
- 2004-10-27 JP JP2006542161A patent/JPWO2006046284A1/en active Pending
- 2004-10-27 EP EP04793007A patent/EP1806310B1/en not_active Expired - Fee Related
- 2004-10-27 CN CNB2004800408782A patent/CN100528727C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107074489A (en) * | 2014-09-22 | 2017-08-18 | 三菱电机株式会社 | Lift appliance |
| CN107074489B (en) * | 2014-09-22 | 2019-03-19 | 三菱电机株式会社 | Lift appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2006046284A1 (en) | 2008-05-22 |
| CN1930072A (en) | 2007-03-14 |
| EP1806310A4 (en) | 2012-03-21 |
| WO2006046284A1 (en) | 2006-05-04 |
| EP1806310B1 (en) | 2013-03-27 |
| EP1806310A1 (en) | 2007-07-11 |
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