CN1882490A - Elevator apparatus - Google Patents
Elevator apparatus Download PDFInfo
- Publication number
- CN1882490A CN1882490A CNA2004800344846A CN200480034484A CN1882490A CN 1882490 A CN1882490 A CN 1882490A CN A2004800344846 A CNA2004800344846 A CN A2004800344846A CN 200480034484 A CN200480034484 A CN 200480034484A CN 1882490 A CN1882490 A CN 1882490A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- counterweight
- car
- movable member
- overspeed governor
- 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.)
- Granted
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
An elevator apparatus, wherein a connection rope is connected between a car and a balance weight suspended from main ropes and lifted by a drive device. The connection rope is wrapped around a tension pulley. The tension pulley is suspended by the connection rope. The tension pulley is displaceably pulled by the connection rope when the lifting distances of the car and the balance weight are different from each other. A detection part is fitted to the upper part of the tension pulley, and when the displaced amount of the tension pulley reaches a specified amount, detection signals are outputted from the detection part. The drive device is controlled by a controller based on the input of the detection signals into the controller.
Description
Technical field
The present invention relates to a kind of car and counterweight carry out lifting by actuating device traction elevator device.
Background technology
, more promptly stopped reliably in the past, proposed on car and counterweight, to install respectively the scheme of emergency braking device in order to make car and counterweight.Each emergency braking device is connected with common overspeed governor.Overspeed governor is wound on the governor sheave of velocity limiter.Velocity limiter is used for constraint overspeed governor when the velocity anomaly of car and counterweight increases.By the constraint of velocity limiter to overspeed governor, each emergency braking device action, thus make car and counterweight stop (with reference to patent documentation 1).
Patent documentation 1: No. 6318506 specification sheets of US Patent
But, for example, in hoistway, there is obstacle outstanding for a certain reason, counterweight and obstacle bump against, and make counterweight normally to descend, and in this case, owing to can't detect velocity anomaly, therefore just can not detect the unusual of elevator.
Summary of the invention
The present invention proposes in order to address the above problem, and its purpose is to provide a kind of lift appliance, and this lift appliance detects in the time of can being stoped by obstacle in the decline of the either party in car and the counterweight unusually.
Lift appliance of the present invention comprises: actuating device, and it has rotatable driving rope sheave; Main rope, it is wound on and drives on the rope sheave; Car and counterweight, they are by main rope hanging, and opposite towards each other direction is carried out lifting by the rotation that drives rope sheave; Engages ropes, it is connected between car and the counterweight, and moves by the lifting of car and counterweight; Tension wheel is wound with engages ropes on it, when car and counterweight lifting distance separately were different, this tension wheel was engaged cable traction and can moves; Test section, it is used for output detection signal when the amount of movement of tension wheel reaches scheduled volume; And control setup, it is used for coming according to the input of detection signal the driving of accessory drive.
Description of drawings
Fig. 1 is the constructional drawing of the lift appliance of expression embodiment of the present invention 1.
Fig. 2 is the constructional drawing of the lift appliance of expression embodiment of the present invention 2.
Fig. 3 is the constructional drawing of the lift appliance of expression embodiment of the present invention 3.
Fig. 4 is the constructional drawing of the lift appliance of expression embodiment of the present invention 4.
Fig. 5 is the constructional drawing of the lift appliance of expression embodiment of the present invention 5.
The specific embodiment
Below, with reference to accompanying drawing preferred implementation of the present invention is described.
Fig. 1 is the constructional drawing of the lift appliance of expression embodiment of the present invention 1.In the drawings, be provided with on the top of hoistway 1: as the towing machine 2 of actuating device; And with the deflector sheave 3 of towing machine 2 devices spaced apart configurations.Towing machine 2 has: actuating device main body 4, and it comprises electrical motor; And driving rope sheave 5, it is the rope sheave that rotates by actuating device main body 4.On driving rope sheave 5 and deflector sheave 3, be wound with the main rope 8 that is used for suspension craning cab 6 and counterweight 7.Car 6 and counterweight 7 carry out lifting to opposite directions by the driving of towing machine 2 in hoistway 1.In addition, in hoistway 1, be provided with the control setup 9 of the running that is used to control elevator.
The emergency braking device 10 that is used to stop car 6 whereabouts is installed in the bottom of car 6.Emergency braking device 10 is provided with the last machine drawing structure 11 that is used to make emergency braking device 10 actions.Emergency braking device 10 comes car 6 is braked by clamping car guide rail 12.In addition, the pars intermedia at counterweight 7 is fixed with the connecting device of giving prominence to from counterweight 7 13.
Also be provided with velocity limiter 14 on hoistway 1 top.Velocity limiter 14 comprises: velocity limiter main body 15; And governor sheave 16, it is the rope sheave of velocity limiter main body 15 rotation relatively.
In the bottom of hoistway 1 can be provided with moving-member 17 with respect to the mode that car guide rail 12 moves.In this example, moving-member 17 is connected with car guide rail 12 rotationally by pin 18.On moving-member 17, rotatably be provided with tension wheel 19 as rope sheave.Is the rotation at center by moving-member 17 with pin 18, and tension wheel 19 direction up and down moves.
On governor sheave 16, be wound with top overspeed governor 20 as engages ropes.In addition, on tension wheel 19, be wound with bottom overspeed governor 21 as engages ropes.Tension wheel 19 is by 21 suspentions of bottom overspeed governor.
One end of top overspeed governor 20 is connected with last machine drawing structure 11, and the other end of top overspeed governor 20 is connected with connecting device 13.One end of bottom overspeed governor 21 is connected with last machine drawing structure 11, and the other end of bottom overspeed governor 21 is connected with connecting device 13.That is, top overspeed governor 20 and bottom overspeed governor 21 are connected between car 6 and the counterweight 7.
In addition, overspeed governor 22 has top overspeed governor 20 and bottom overspeed governor 21.That is, overspeed governor 22 and emergency braking device 10 interlocks.
Above moving-member 17, be provided with detector switch 23 as test section.Detector switch 23 is electrically connected with control setup.The control lever 25 that detector switch 23 comprises switch main body 24 and is arranged at switch main body 24 rotationally.Is center rotation upward by moving-member 17 with pin 18, and control lever 25 is moved parts 17 and pushes and be operated.By the operation to control lever 25, detector switch 23 is exported to control setup 9 with detection signal from switch main body 24.That is detector switch 23 output detection signal when the amount of movement of tension wheel 19 reaches scheduled volume.Control setup 9 is controlled the driving of towing machine 2 according to the input of detection signal.In this example, control setup 9 control that the driving of towing machine 2 stopped according to the input of detection signal.
Under the state that the decline of either party in car 6 and counterweight 7 is prevented from, when the opposing party of car 6 and counterweight 7 rose, tension wheel 19 was drawn on the bottom overspeed governor 21.That is, when car 6 and counterweight 7 lifting distance separately were different, tension wheel 19 was by 21 tractions of bottom overspeed governor and move.In this example, counterweight 7 bumps against with the obstacle 26 that protrudes in for a certain reason in the hoistway 1, makes the decline of counterweight 7 be stoped by obstacle 26.In addition, under the state that the decline of counterweight 7 is prevented from, when car 6 rose by the driving of towing machine 2, tension wheel 19 was drawn on the bottom overspeed governor 21.
Next action is described.Under the unusual situation about increasing of the descending speed of car 6, retrain top overspeed governor 20 by velocity limiter 14.Thus, last machine drawing structure 11 mechanically moves, and makes emergency braking device 10 move.Car 6 is braked by the action of emergency braking device 10.
Knock under the situation that the decline of the obstacle 26 that protrudes in the hoistway 1, counterweight 7 is prevented from counterweight 7, counterweight 7 stops, and car 6 rises by the driving of towing machine 2.At this moment, top overspeed governor 20 is lax, bottom overspeed governor 21 with car 6 by on draw.Thus, tension wheel 19 also is moved upward, and moving-member 17 is that rotate upward at the center with pin 18.
Afterwards, when the amount of movement of tension wheel 19 reached scheduled volume, moving-member 17 and control lever 25 butts made control lever 25 be operated.Thus, detection signal outputs to control setup 9 from detector switch 23.When detection signal was input in the control setup 9, the driving of towing machine 2 stopped by the control of control setup 9.
In this lift appliance, when the amount of movement of tension wheel 19 reaches scheduled volume, detection signal is from detector switch 23 outputs, control setup is controlled the driving of towing machine 2 according to detection signal, therefore, for example because of protruding in obstacle 26 grades in the hoistway 1 when stoping counterweight 7 to descend, the tension wheel that rising caused 19 that can be by car 6 moving upward detects unusual, and the driving of towing machine 2 is stopped.In addition, the rising tension wheel 19 by counterweight 7 is moved upward, unusual when the decline that therefore can detect car 6 equally is prevented from.
In addition, in above-mentioned example, emergency braking device 10 only is installed on the car 6, but also can on counterweight 7 emergency braking device be installed.In this case, on the emergency braking device that is installed on counterweight 7, be provided with the last machine drawing structure that is used to make the emergency braking device action.In addition, on last machine drawing structure, be connected with overspeed governor 22.
Fig. 2 is the constructional drawing of the lift appliance of expression embodiment of the present invention 2.In the drawings, top overspeed governor 20 is connected with counterweight 7 by connecting device 31 with bottom overspeed governor 21.Connecting device 31 comprises: the holding member 32 that is fixed in the pars intermedia of counterweight 7; With movable member 33, it is arranged to and can moves with respect to holding member 32, and is connected with bottom overspeed governor 21 with top overspeed governor 20.In this example, movable member 33 is slidably disposed on the holding member 32.
Holding member 32 comprises: from the outstanding protrusion 34 of the pars intermedia of counterweight 7; With tube 35, it is fixed on the terminal part of protrusion 34, and upper end and bottom are unlimited.In tube 35, can be penetrated with movable member 33 along the vertical direction slidably.
Movable member 33 comprises: be applied in the bar 36 in the tube 35; And top restrictions 37 and lower limit portion 38, they are arranged on the upper end and the bottom of bar 36, are to be used to limit a pair of restrictions of movable member 33 with respect to the amount of movement of tube 35.Promptly, movable member 33 can move back and forth with respect to tube 35 between lower position and upper limit position, above-mentioned lower position is the position of the upper end butt of top restrictions 37 and tube 35, and above-mentioned upper limit position is the position of the bottom butt of lower limit portion 38 and tube 35.
The length of bar 36 is longer than the length of tube 35 on above-below direction.In addition, the external diameter of each restrictions 37,38 is greater than the internal diameter of tube 35.Be connected with the other end of top overspeed governor 20 on the top restrictions 37, in lower limit portion 38, be connected with the other end of bottom overspeed governor 21.
That is, connecting device 31 is arranged on the counterweight 7 with respect to the mode that counterweight 7 moves scheduled volume to allow overspeed governor 22.Other structure is identical with embodiment 1.
Next, action is described.When the state that is stoped by obstacle 26 (Fig. 1) in the decline of counterweight 7 when car 6 rose down, movable member 33 was mobile downwards with respect to holding member 32.Then, the upper end butt of top restrictions 37 and tube 35.When car 6 continued to rise, tension wheel 9 was drawn on the bottom overspeed governor 21 then.Action afterwards is identical with embodiment 1.
In addition, under the situation that the decline of car 6 is stoped by obstacle 26, by the rising of counterweight 7, holding member 32 is moved upward with respect to movable member 33.Then, when counterweight 7 continued to rise, the upper end of tube 35 and top restrictions 37 butts made bottom overspeed governor 21 rise.Thus, tension wheel 19 by on draw.After this action is identical with embodiment 1.
In this lift appliance, movable member 33 is limited by the restrictions 37,38 that is arranged on the movable member 33 with respect to the amount of movement of holding member 32, therefore, allow that overspeed governor 22 moves with respect to counterweight 7, unusual when simultaneously, the decline that can detect the either party in car 6 and the counterweight 7 is prevented from.
Here, when the passenger took car 6, main rope 8 extended by the increase of the weight of car 6.In addition, main rope 8 also extends in time.Relative therewith, the elongation of overspeed governor 22 is compared little with the elongation of main rope 8.Thus, between the elongation of the elongation of main rope 8 and overspeed governor 22, produce poor.When producing difference between the elongation of the elongation of main rope 8 and overspeed governor 22, car 6 moves with respect to overspeed governor 22, and therefore, emergency braking device 10 may misoperation.Because connecting device 31 can allow that overspeed governor 22 moves with respect to car 7, so connecting device 31 can absorb poor between the elongation of the elongation of main rope 8 and overspeed governor 22, can prevent the misoperation of emergency braking device 10.
In addition, in above-mentioned example, overspeed governor 22 is connected with counterweight 7 by connecting device 31, but is installed under the situation of counterweight 7 at emergency braking device, also can overspeed governor 22 be connected on the car 6 by connecting device 31.Like this, also can absorb poor between the elongation of the elongation of main rope 8 and overspeed governor 22 by connecting device 31, can prevent the misoperation of emergency braking device.
Fig. 3 is the constructional drawing of the lift appliance of expression embodiment of the present invention 3.In the drawings, connecting device 41 comprises: holding member 32 and movable member 33 that structure and embodiment 2 are identical; And spring 42,43, they are to be arranged between top restrictions 37 and the tube 35 respectively and the elastic component between lower limit portion 38 and the tube 35.
In spring 42 and spring 43, be penetrated with the bar 36 of movable member 33.Spring 42 is compressed to moving of tube 35 sides by top restrictions 37, and spring 43 is compressed to moving of tube 35 sides by lower limit portion 38.Other structure is identical with embodiment 2.
In this lift appliance, spring 42 is arranged between top restrictions 37 and the tube 35, spring 43 is arranged between lower limit portion 38 and the tube 35, therefore, the same with embodiment 2, can allow that overspeed governor 22 moves with respect to counterweight 7, and the decline that can shorten the either party from car 6 and counterweight 7 is prevented from the time till control lever 25 is operated.
That is, to the moving of tube 35, can on spring 42, produce elastic restoring force by top restrictions 37.Like this, the decline that can reduce the either party from car 6 and counterweight 7 is prevented from till the last tension bearing up pulley 19 needed movable member 33 with respect to the amount of movement of tube 35.Therefore, can shorten the needed time till the decline that can shorten the either party from car 6 and counterweight 7 is prevented from control lever 25 and is operated because of movable member 33 moves the delay time that produces with respect to tube 35.
Fig. 4 is the constructional drawing of the lift appliance of expression embodiment of the present invention 4.In the drawings, the pars intermedia at counterweight 7 is fixed with holding member 51.Holding member 51 has top restrictions 52 and lower limit portion 53, and described top restrictions 52 and lower limit portion 53 are a pair of restrictions of arranged spaced of separating each other on above-below direction.In top restrictions 52, be penetrated with top overspeed governor 20, in lower limit portion 53, be penetrated with bottom overspeed governor 21.
Between top restrictions 52 and lower limit portion 53, dispose the movable member 54 that can move with respect to holding member 51.On movable member 54, be connected with top overspeed governor 20 and bottom overspeed governor 21.In addition, movable member 54 is being arranged on the counterweight 7 by the mode that pin 55 rotates.Movable member 54 is by with pin 55 being the rotation at center and moving with respect to holding member 54.In addition, movable member 54 is by being that the amount of movement that produces of the rotation at center is by top restrictions 52 and 53 restrictions of lower limit portion with pin 55.
Between top restrictions 52 and movable member 54, be provided with spring 56, between lower limit portion 53 and movable member 54, be provided with spring 57 as elastic component as elastic component.Spring 56 is compressed to moving of top restrictions 52 sides by movable member 54, and spring 57 is compressed to moving of bottom restrictions 53 sides by movable member 54.
In addition, connecting device 60 has holding member 51, movable member 54 and spring 56,57, and connecting device 60 is used for top overspeed governor 20 and bottom overspeed governor 21 are connected counterweight 7.
Be provided with tension wheel guide rail 58 as the pair of guide rails that is parallel to each other in the bottom of hoistway 1.Disposing between each tension wheel guide rail 58 can be with respect to the moving-member 59 of tension wheel guide rail 58 slips.Moving-member 59 is guided along the vertical direction by each tension wheel guide rail 58.
In this lift appliance, owing to limit the amount of movement of movable member 54 with respect to holding member 51 by the restrictions 52,53 that is arranged at holding member 51, therefore, can allow that overspeed governor 22 moves with respect to counterweight 7, and unusual when the decline that can detect the either party in car 6 and the counterweight 7 is prevented from, thereby can reach the effect identical with above-mentioned embodiment 2.
In addition, spring 56 is arranged between top restrictions 52 and the movable member 54, spring 57 is arranged between lower limit portion 53 and the movable member 54, therefore, can allow that overspeed governor 22 moves with respect to counterweight 7, and the decline that can shorten the either party from car 6 and counterweight 7 is prevented from the time till control lever 25 is operated.
Therefore in addition, the movable member 59 that tension wheel 19 is installed is guided along the vertical direction by tension wheel guide rail 58, can prevent that tension wheel 19 from producing skew in the horizontal direction, thereby can be more reliably carries out operation to control lever 25 by moving-member 59.
In addition, in above-mentioned example, spring 56 is arranged between top restrictions 52 and the movable member 54, and spring 57 is arranged between lower limit portion 53 and the movable member 54, but also spring 56 and spring 57 can be set.Like this, can allow that overspeed governor 22 moves with respect to counterweight 7, unusual when the decline that can detect simultaneously the either party in car 6 and the counterweight 7 is prevented from.
Fig. 5 is the constructional drawing of the lift appliance of expression embodiment of the present invention 5.In the drawings, between car 6 and counterweight 7, be connected with engages ropes 61.One end of engages ropes 61 is connected with the bottom of car 6, and the other end of engages ropes 61 is connected with the bottom of counterweight 7.Engages ropes 61 is wound on the tension wheel 19.Tension wheel 19 is by engages ropes 61 suspentions.Engages ropes 61 moves by the lifting of car 6 and counterweight 7.Other structure is identical with embodiment 1.
In this lift appliance, when the decline of the either party in car 6 and counterweight 7 is stoped by obstacle because can above tension bearing up pulley 19, in the time of therefore can being prevented from by the decline that simple structure detection goes out the either party in car 6 and the counterweight 7 unusually.
In addition, in above-mentioned example, one end of engages ropes 61 and the other end and car 6 and counterweight 7 direct connections, but the connecting device 31 that also an end and at least one square tube in the other end of engages ropes 61 can be crossed embodiment 2 or the connecting device 41 of embodiment 3 or the connecting device 60 of embodiment 4 are connected on car 6 and the counterweight 7.
In addition, in above-mentioned embodiment 1 to 3 and 5, can be provided with tension wheel 19 relative to the moving-member 17 that car guide rail 12 rotates, but moving-member 17 is so long as move and parts that can operating operation bar 25 with tension wheel 19, then is not limited to the parts that can rotate with respect to car guide rail 12.Therefore, moving-member can be slided along the vertical direction with respect to car guide rail 12.In addition, also can be as shown in Embodiment 4, moving-member can be slided with respect to the guide rail different with car guide rail 12.
Claims (4)
1. lift appliance comprises:
Actuating device, it has rotatable driving rope sheave;
Main rope, it is wound on the above-mentioned driving rope sheave;
Car and counterweight, they are by above-mentioned main rope hanging, and opposite towards each other direction is carried out lifting by the rotation of above-mentioned driving rope sheave;
Engages ropes, it is connected between above-mentioned car and the above-mentioned counterweight, and moves by the lifting of above-mentioned car and above-mentioned counterweight;
Tension wheel is wound with above-mentioned engages ropes on it, when the lifting distance of above-mentioned car and above-mentioned counterweight was different, this tension wheel can be moved by above-mentioned engages ropes traction;
Test section, it is used for output detection signal when the amount of movement of above-mentioned tension wheel reaches scheduled volume; And
Control setup, it is used for controlling according to the input of above-mentioned detection signal the driving of above-mentioned actuating device.
2. lift appliance according to claim 1 is characterized in that,
Be connected with above-mentioned engages ropes by connecting device at least one side in above-mentioned car and above-mentioned counterweight,
Above-mentioned connecting device comprises: holding member, and it is arranged at least one side in above-mentioned car and the above-mentioned counterweight; And movable member, it is arranged to and can moves relative to above-mentioned holding member, and is connected with above-mentioned engages ropes,
Either party in above-mentioned holding member and the above-mentioned movable member has and is used to limit the restrictions of above-mentioned movable member with respect to the amount of movement of above-mentioned holding member.
3. lift appliance according to claim 2 is characterized in that, between the opposing party and above-mentioned restrictions in above-mentioned holding member and above-mentioned movable member, is provided with elastic component.
4. according to each the described lift appliance in the claim 1 to 3, it is characterized in that,
On at least one side in above-mentioned car and above-mentioned counterweight, the emergency braking device that is used to stop above-mentioned car and above-mentioned counterweight whereabouts is installed,
Above-mentioned engages ropes is the overspeed governor that links with above-mentioned emergency braking device.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2004/012367 WO2006022015A1 (en) | 2004-08-27 | 2004-08-27 | Elevator apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1882490A true CN1882490A (en) | 2006-12-20 |
| CN100513286C CN100513286C (en) | 2009-07-15 |
Family
ID=35967238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800344846A Expired - Fee Related CN100513286C (en) | 2004-08-27 | 2004-08-27 | Elevator apparatus |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1783085A4 (en) |
| JP (1) | JPWO2006022015A1 (en) |
| CN (1) | CN100513286C (en) |
| WO (1) | WO2006022015A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101356110B (en) * | 2006-06-01 | 2010-07-14 | 三菱电机株式会社 | Elevator apparatus |
| CN102120538A (en) * | 2011-01-26 | 2011-07-13 | 徐州泰荣煤矿设备有限公司 | Falling protector and dynamic operation monitoring system for cage guide rope |
| CN106132861A (en) * | 2014-04-09 | 2016-11-16 | 三菱电机株式会社 | Lift appliance |
| CN108217502A (en) * | 2018-02-09 | 2018-06-29 | 广东亚太西奥电梯有限公司 | A kind of elevator speed limit Safety system |
| CN108439127A (en) * | 2018-03-21 | 2018-08-24 | 日立电梯(上海)有限公司 | Elevator |
| CN110461750A (en) * | 2017-03-29 | 2019-11-15 | 三菱电机株式会社 | Lift appliance |
| CN114761344A (en) * | 2019-12-18 | 2022-07-15 | 三菱电机株式会社 | Elevator device |
| US11492231B2 (en) * | 2016-05-23 | 2022-11-08 | Mitsubishi Electric Corporation | Elevator apparatus |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE178131C (en) * | ||||
| US1738215A (en) * | 1927-04-30 | 1929-12-03 | Haughton Elevator & Machine Co | Travel-control device for elevators |
| JPS4837969Y1 (en) * | 1968-01-29 | 1973-11-10 | ||
| JPS5547805Y2 (en) * | 1975-06-21 | 1980-11-08 | ||
| JPS5551729Y2 (en) * | 1976-04-30 | 1980-12-02 | ||
| JPS5548181A (en) * | 1978-09-27 | 1980-04-05 | Mitsubishi Electric Corp | Abnormality detector of elevator |
| DE69929515T2 (en) * | 1999-03-17 | 2006-09-21 | Mitsubishi Denki K.K. | LIFT SAFETY DEVICE |
| US6318506B1 (en) | 2000-05-22 | 2001-11-20 | Otis Elevator Company | Single rope elevator governor |
-
2004
- 2004-08-27 EP EP04772323A patent/EP1783085A4/en not_active Withdrawn
- 2004-08-27 CN CNB2004800344846A patent/CN100513286C/en not_active Expired - Fee Related
- 2004-08-27 JP JP2006531178A patent/JPWO2006022015A1/en active Pending
- 2004-08-27 WO PCT/JP2004/012367 patent/WO2006022015A1/en active Application Filing
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101356110B (en) * | 2006-06-01 | 2010-07-14 | 三菱电机株式会社 | Elevator apparatus |
| CN102120538A (en) * | 2011-01-26 | 2011-07-13 | 徐州泰荣煤矿设备有限公司 | Falling protector and dynamic operation monitoring system for cage guide rope |
| CN102120538B (en) * | 2011-01-26 | 2013-01-16 | 徐州泰荣煤矿设备有限公司 | Falling protector and dynamic operation monitoring system for cage guide rope |
| CN106132861B (en) * | 2014-04-09 | 2019-09-17 | 三菱电机株式会社 | Lift appliance |
| CN106132861A (en) * | 2014-04-09 | 2016-11-16 | 三菱电机株式会社 | Lift appliance |
| US11492231B2 (en) * | 2016-05-23 | 2022-11-08 | Mitsubishi Electric Corporation | Elevator apparatus |
| CN110461750A (en) * | 2017-03-29 | 2019-11-15 | 三菱电机株式会社 | Lift appliance |
| CN110461750B (en) * | 2017-03-29 | 2021-02-26 | 三菱电机株式会社 | Elevator device |
| CN108217502A (en) * | 2018-02-09 | 2018-06-29 | 广东亚太西奥电梯有限公司 | A kind of elevator speed limit Safety system |
| CN108217502B (en) * | 2018-02-09 | 2024-01-12 | 广东亚太西奥电梯有限公司 | Elevator speed-limiting safety control system |
| CN108439127A (en) * | 2018-03-21 | 2018-08-24 | 日立电梯(上海)有限公司 | Elevator |
| CN114761344A (en) * | 2019-12-18 | 2022-07-15 | 三菱电机株式会社 | Elevator device |
| CN114761344B (en) * | 2019-12-18 | 2024-02-13 | 三菱电机株式会社 | Elevator device |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1783085A1 (en) | 2007-05-09 |
| JPWO2006022015A1 (en) | 2008-05-08 |
| WO2006022015A1 (en) | 2006-03-02 |
| CN100513286C (en) | 2009-07-15 |
| EP1783085A4 (en) | 2012-09-05 |
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