CN1589226A - Elevator braking device - Google Patents
Elevator braking device Download PDFInfo
- Publication number
- CN1589226A CN1589226A CNA028232046A CN02823204A CN1589226A CN 1589226 A CN1589226 A CN 1589226A CN A028232046 A CNA028232046 A CN A028232046A CN 02823204 A CN02823204 A CN 02823204A CN 1589226 A CN1589226 A CN 1589226A
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- Prior art keywords
- mentioned
- brake shoe
- brake
- shoe
- elevator
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- 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
- B66B5/22—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 means of linearly-movable wedges
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
This invention elevator brake device has a hem shoe storage unit with the narrow upper part shoe squeezed face facing a guideway fixed on the box frame a brake lining opposite to the guidway and a back opposite to the shoe squeezed face are set in the storage unit, the brake lining stores a first hem shoe of a storage tank with a narrow bottom facing the guideway, the storage tank stores a second hem shoe having a brake lining opposite to the guideway and a back opposite to the bottom. When the box speeds up and down, the first and second hem shoes play the role by bolts relying on the control rod connected with steel ropes.
Description
Technical field
The present invention relates to the brake equipment that lift car can both move when the unusual speedup of both direction up and down.
Background technology
Lift car by the elevator of guide rail guiding operation, owing to certain reasons such as lift facility fault, main rope cut-out surpass command speed, causes elevator to continue under the situation of overrunning in elevator hoistways, and the brake equipment that elevator is stopped generally all to be set.This brake equipment, in case take place on the elevator that certain is unusual, during the elevator car speed overrate, governor is just clamped the steel rope of governor, by control stalk, the brake equipment brake shoe of driving and governor steel rope interlock, brake shoe extruding guide rail stops car.Existing brake equipment nearly all is that car only can move when descending unusual speedup.In contrast, No. 2698705 communique of Japanese Patent, publicity the brake equipment that also can move during the up unusual speedup of car.But, the structure of this brake equipment, same with existing brake equipment, all be that guide rail is being clipped in therebetween, the both sides relative in direction are provided with brake shoe, but, and when the descending unusual speedup of car, allow side brake shoe action, and when the up unusual speedup of car, allow the action of offside brake shoe.Therefore, adopt this structure, each the comfortable both direction up and down of brake shoe that must convey the relative both sides of guide rail can move, so drive action control stalk that these brake shoes use etc., the part number can increase, structure is also complicated.
Summary of the invention
Therefore, the objective of the invention is to, obtain a kind ofly only one-sided movable brake shoe being set, the part number not too increases but the brake equipment that also can move during up unusual speedup.
Brake device for elevator of the present invention has: relative with the car guide rail direction, be fixed on the lift car, the brake shoe harvesting mechanism towards the brake shoe compressive plane of guide rail direction upper narrow arranged; Be stored in this brake shoe harvesting mechanism, the brake surface relative with guide rail arranged and with brake shoe compressive plane opposing backside surface, on brake surface, be formed with towards first brake shoe of the harvesting groove of narrow bottom surface, guide rail direction bottom; Be stored in first brake shoe harvesting groove, have the brake surface relative with guide rail and with second brake shoe of the bottom surface opposing backside surface of harvesting groove, by with the control stalk of governor steel rope interlock, when the descending unusual speedup of lift car, upwards drive first brake shoe, when the up unusual speedup of lift car, drive second brake shoe downwards, allow first brake shoe and second brake shoe play brake action respectively.
In addition, also have and intert the slotted hole that forms along harvesting groove bottom direction of tilt in first brake shoe harvesting groove, one side and among the slotted hole that control stalk one end forms and be fixed on the latch of second brake shoe, one side, by this bolt driving first brake shoe and second brake shoe.
In addition, control stalk is made rectangular shape, and the slotted hole of control stalk one end forms along its length, can be that fulcrum rotates with the control stalk other end, and from then on fulcrum is installed the governor steel rope in the slotted hole side.
In addition, brake shoe harvesting mechanism has the stop face that inhibition first brake shoe moves down, and first brake shoe puts on this stop face when the usual lifting of lift car.
According to above invention, adopt the only movable structure of single brake shoe, do not increase too many part number, do not make structure complicated, just can obtain down can moving during the unusual speedup of row like that, and the brake equipment that also can move during up unusual speedup.
The simple declaration of accompanying drawing
Fig. 1 is for illustrating that this example 1 lift car brake device for elevator under usual lifting situation wants the elevator car braking apparatus lateral plan partly of portion.
Fig. 2 is the shape figure of the movable side brake shoe of this example 1 brake device for elevator.
Fig. 3 is the lateral plan of the elevator car braking apparatus part of brake device for elevator action when the descending unusual speedup of this example 1 lift car is described.
Fig. 4 is the lateral plan of the elevator car braking apparatus part of brake device for elevator action when the up unusual speedup of this example 1 lift car is described.
Fig. 5 is the shape figure of the movable side brake shoe of expression this example 2 brake device for elevator.
The specific embodiment
In order more to be described in detail the present invention, now illustrated according to accompanying drawing.In each figure, for all adopting prosign with a part or considerable part, its repeat specification is suitably conformed to the principle of simplicity or is omitted.
[example 1]
Fig. 1 is for illustrating that this example 1 lift car brake device for elevator under usual lifting situation wants the elevator car braking apparatus lateral plan partly of portion.Fig. 2 is the shape figure of the movable side brake shoe of this example 1 brake device for elevator.In Fig. 2, (A) expression lift car figure of brake shoe position relation under the operating state when the descending unusual speedup of usual jacking condition and brake equipment, left figure is an elevation drawing of seeing brake shoe from brake surface one side, right figure is the brake shoe lateral plan.(B) lateral plan of brake shoe position relation under operating state during the up unusual speedup of expression brake equipment.
The brake device for elevator of this example 1 is as the emergency stop mechanism design-calculated, and it is to wait certain reason at elevator because of breakdown of machinery or main rope cut-out, cause surpassing command speed, continues under the situation of overrunning, so that elevator stops to move for purpose.
As can be seen from Figure 1, lift car 1 is by two car guide rail, 3 guiding, lifting (in Fig. 1 and all the other each figure in elevator hoistways, all are lateral plans of seeing car 1 side from a side, so one of 3 diagram of guide rail in fact also are provided with and corresponding another root guide rail 3 in car 1 side that does not give graphic offside).In addition, in lift car 1, also be provided with strength member-car frame 2 of supporting that car is used.
Secondly, brake shoe harvesting mechanism 10, relative with two car guide rail 3, be fixed on the lower car framework 2 of lift car 1.Therefore, in Fig. 1 (and all the other each figure), though only illustrate side brake shoe harvesting mechanism 10, in fact on the car frame 2 of car 1 two sides, be provided with two guide rails 3 respectively cooresponding 1 to (brake shoe harvesting mechanism).Brake shoe is received and kept mechanism 10, is provided with the additional metal frame 11 of the effect of the container that plays formation things such as receiving and keeping a plurality of brake shoes and spring.In additional metal frame 11, opposite movable side brake shoe and the slave end brake shoe of harvesting direction is clipped in guide rail 3 therebetween.
One-sided movable side brake shoe is made of first brake shoe 12 and second brake shoe 13.Use Fig. 2 to describe the shape of first brake shoe 12 and second brake shoe 13 in detail at this.First brake shoe 12 of band wedge-like profile has the brake surface 12a relative with guide rail 3, with respect to the back side 12b of brake surface 12, tilts upper narrow towards guide rail 3.In this brake surface 12a, form the harvesting groove 17 that harvesting second brake shoe is used, the bottom surface 18 of harvesting groove 17,12b is opposite with the back side, tilts towards guide rail 3 directions, and the bottom is narrow.In addition, in the another side of first brake shoe 12 harvesting grooves 17, along with the identical direction of tilt in harvesting groove 17 bottom surfaces 18, form a slotted hole 12c.On the other hand, same with first brake shoe 12, second brake shoe 13 of band wedge-like profile, be stored in the harvesting groove 17 of first brake shoe 12, have the brake surface 13a relative, the back side 13b of brake surface 13a with guide rail 3, relative with bottom surface 18 directions of first brake shoe, 12 harvesting grooves 17, the angle of inclination is identical.In other words, above-mentioned first brake shoe 12 has and the back side 12b of brake surface 12a and the opposite dip plane of 18 these directions, bottom surface of receiving and keeping groove 17, its structure is designed to first brake shoe, 12 backrest face 12b guiding, when descending unusual speedup, work, another second brake shoe 13 is by bottom surface 18 guiding, works when up unusual speedup.In addition, second brake shoe 13 is stored in the harvesting groove 17, and under the state that bottom surface 18 and back side 13b are overlapped, latch 6 interts in the slotted hole 12c of first brake shoe 12, is fixed on the another side of second brake shoe 13.In more detail, lift car 1 shown in Fig. 2 (A), the position that is positioned at slotted hole 12c upper end with the position and the latch 6 of second brake shoe 13 under usual lifting situation, be fixed on second brake shoe 13, in the case, dispose second brake shoe 13, the brake surface 13a that makes second brake shoe 13 more enters the inboard of harvesting groove 17 than the brake surface 12a of first brake shoe 12.And second brake shoe 13 moves in the scope that latch 6 moves along the slotted hole 12c of first brake shoe 12.And, shown in Fig. 2 (B), set the relation of these brake shoes and latch, make latch 6 be in the position of slotted hole 12c lower end, the brake surface 13a of second brake shoe 13 more likely protrudes laterally than the brake surface 12a of first brake shoe 12.
Secondly, turn back to Fig. 1, additional metal frame 11 has the brake shoe compressive plane 15 relative with the back side 12b of first brake shoe 12.In addition, between the back side 12b and brake shoe compressive plane 15 of first brake shoe 12, can gliding smoothings in order to make brake equipment when action first brake shoe 12, folder has been established cylinder 20.In addition, additional metal frame 11 has and suppresses the stop face 16 that first brake shoe 12 moves down below first brake shoe 12.
Secondly, with respect to the above-mentioned movable side brake shoe of being made up of first brake shoe 12 and second brake shoe 13, on the position relative with movable side brake shoe, configuration slave end brake shoe 14 is clipped in guide rail 3 therebetween.Slave end brake shoe 14 has the brake surface 14a relative with guide rail 3, and between the back side of brake surface 14a 14b and additional metal frame 11, flexible spring 19 on brake surface 14a vertical direction is set up in parallel 2 in this example 1.
Secondly, control stalk 5 becomes rectangular shape, and the one end forms slotted hole 5c along its length, and the other end is fixed on the car frame 2, and distolateral with another is that fulcrum can rotate.And control stalk 5 is installed governor steel rope 4 at the fulcrum certainly the control stalk 5 that is fixed on car frame 2 to slotted hole 5c side (in this example 1, being between the fulcrum and slotted hole 5c of control stalk 5).In addition, with the slotted hole 12c of first brake shoe 12, on the slotted hole 5c of control stalk 5, the interspersed latch 6 that is fixed on second brake shoe 13, after so constituting, first brake shoe 12 and second brake shoe 13 can be driven by control stalk 5.
Action in the brake device for elevator that constitutes as mentioned above below is described.
Fig. 3 is the lateral plan of the elevator car braking apparatus part of brake device for elevator action when the descending unusual speedup of this example 1 lift car is described.Fig. 4 is the lateral plan of the elevator car braking apparatus part of brake device for elevator action when the up unusual speedup of this example 1 lift car is described.
By the brake device for elevator of this example 1, position relation has as shown in Figure 1 disposed the member of brake shoe harvesting mechanism 10.That is to say that first brake shoe 12 puts on the stop face 16 of additional metal frame 11, the second Block brake face 13a of second brake shoe 13 more enters the inboard of receiving and keeping groove 17 than the first Block brake face 12a, and brake shoe 13 integral body all are stored among the harvesting groove 17.In addition, latch 6 is configured on the position of slotted hole 12c upper end of first brake shoe 12, and control stalk 5 length directions of control stalk 5 become level, and the slotted hole 5c that forms at control stalk 5 also becomes level.And, under this state, follow the lifting of lift car 1, synchronous with control stalk 5 bonded assembly governor steel ropes 4 with the lifting of car 1, in hoistway, move up and down.Therefore, as shown in Figure 3, under the situation of lift car 1 descending unusual speedup, the governor (not giving diagram) that detection car 1 is overrun moves, and clamps governor steel rope 4 by governor.Meanwhile, so far continue the control stalk 5 of decline with car always, driven revolution by governor steel rope 4, the slotted hole 5c that is positioned at control stalk 5 left end side is up drawn.Because the revolution of this control stalk 5, by first brake shoe 12 that latch 6 and control stalk 5 engage, the back side 12b of brake shoe 12 by cylinder 20, moves up along the brake shoe compressive plane 15 of additional metal frame 11, snaps between additional metal frame 11 and the guide rail 3.Its result, the first Block brake face 12a is pressed on the guide rail 3, because the counteraction of additional metal frame 11 relies on guide rail 3 to move to the back-pressure direction.That is to say, press Fig. 3,, be fixed with the car frame 2 of additional metal frame 11, further make car whole mobile in right.Thus, the slave end brake shoe 14 of first brake shoe, 12 offsides, its brake surface 14a is pressed on the guide rail 3, because the squeese pressure of this both sides brake shoe forces lift car 1 to stop.In addition, at this moment, be located at the setting of spring force of spring 19 of the back side 14b of slave end brake shoe 14 by adjusting, adjust the squeese pressure of 14 pairs of guide rails 3 of slave end brake shoe, can adjust the deceleration/decel of lift car 1.The action of brake equipment when more than being the descending unusual speedup of lift car 1, in the case, second brake shoe 13 is failure to actuate, though this only makes the action of the movable brake equipment of single brake shoe identical with existing, but, by this example 1, when making progress unusual speedup, brake equipment also can move this point and see, still is different with existing brake equipment.
The action of the brake device for elevator of this example 1 when secondly, using Fig. 4 that the up unusual speedup of lift car 1 is described.In the case, also can detect the unusual speedup of lift car 1, clamp governor steel rope 4 by governor.Meanwhile, so far continue the control stalk 5 of rising with car 1, by 4 revolutions of governor steel rope, the slotted hole 5c that is positioned at control stalk 5 left end side is by past drop-down always.Because the revolution of this control stalk 5, at first, second brake shoe 13 that engages with control stalk 5 by latch 6 moves down in the slotted hole 12c that first brake shoe 12 forms along latch 6, meanwhile, the back side 13b of brake shoe 13, the bottom surface 18 of receiving and keeping grooves 17 along brake shoe 12 moves down.In the case, because first brake shoe 12 puts on the stop face 16 of additional metal frame 11, so not down action of brake shoe 12, just second brake shoe 13 moves, and brake shoe 13 snaps between additional metal frame 11 and the guide rail 3.Therefore, work as compressive plane in the bottom surface 18 of first brake shoe, 12 harvesting grooves 17, and the second Block brake face 13a is pressed on the guide rail 3, and meanwhile, additional metal frame 11 is being moved by the direction of guide rail 3 back-pressures because of its antagonistic force.That is to say that on the car frame 2 that additional metal frame 11 is fixed, even car 1 integral body is all shifted to the right-hand of Fig. 4.Thus, the slave end brake shoe 14 of second brake shoe, 13 offsides, its brake surface 14a is pushed by guide rail 3, because the effect of this both sides brake shoe squeese pressure stops lift car 1.In addition, too, be located at the setting of spring 19 spring forces of the back side 14b of slave end brake shoe 14 by adjustment during descending unusual speedup, adjust the squeese pressure of slave end brake shoe 14, can adjust the deceleration/decel of lift car 1 toward guide rails 3.In addition, in this example 1, because the movable side brake shoe difference that is used to brake at above-below direction,, just can set the deceleration/decel of car 1 above-below direction respectively so allow the material, face area size etc. of each Block brake face have difference.In addition, adopt latch 6 is punctured among the slotted hole 5c of the slotted hole 12c of first brake shoe 12 and control stalk 5, and make the structure that is fixed on second brake shoe 13, to the required control stalk of driving of two brake shoes (brake shoe 12, brake shoe 13) have one just passable.
By the above as can be known, the brake device for elevator of this example 1, basically followed with existing brake equipment and equally, only made the movable structure of single brake shoe, this movable side brake shoe is divided into two brake shoes corresponding to above-below direction, neither increase the number of packages of part, nor allow structure complicated, the brake equipment that just can obtain not only when existing descending unusual speedup, moving but also when up unusual speedup, also can move.
[example 2]
Fig. 5 is the shape figure of the movable side brake shoe of expression this example 2 brake device for elevator.In Fig. 5, (A) expression lift car location diagram of brake shoe under the operating state when the descending unusual speedup of usual jacking condition and brake equipment, left figure is an elevation drawing of seeing brake shoe from the brake surface side, right figure is the lateral plan of brake shoe.(B) lateral plan that operating state brake shoe position down concerns during the up unusual speedup of expression brake equipment.
As shown in Figure 5, the brake equipment of the elevator of this example 2, between the back side 13b of harvesting groove 17 bottom surfaces 18 that first brake shoe 12 forms and second brake shoe 13, folder has been established cylinder 21.Because other formation and action thereof and example 1 are same, so, omit its explanation at the additional prosign of identical or equal part.Thus, drive under the situation of second brake shoe 13 at lift car 1 up unusual speedup, control stalk 5, for example, in order to strengthen the braking force that brake shoe 13 produces, must increase brake surface 13a, its result, the face area at the back side 13 also increases, under the situations such as the sliding resistance change when brake shoe 13 drives among the 13b of the back side is big,, can drive brake shoe 13 smoothly as required by cylinder 21 is set.Content that other can prove effective and example 1 are same.
The possibility of utilizing on the industry
As mentioned above, brake device for elevator of the present invention is that a kind of lift car not only increases unusually descending Move during speed and when up unusual speedup, also can move. Therefore, for example, because the people that takes a lift Number is few, when balance weight is under the state heavier than lift car, since lift facility fault etc., electricity Also can lift car be stopped during the up unusual speedup of ladder car, so as a kind of security more The elevator that adds raising is very useful.
Brake device for elevator of the present invention is compared with existing brake apparatus, can suppress the increase of number of parts, And do not make structure complicated, just can accomplish to move to the unusual speedup of both direction up and down, so do For the elevator of raising the efficiency very useful.
Claims (5)
1, a kind of brake device for elevator is characterized in that, has:
Relatively be fixed on the lift car with car guide rail, towards the brake shoe harvesting mechanism of the brake shoe compressive plane of above-mentioned guide rail upper narrow;
Be stored in this brake shoe harvesting mechanism, have the brake surface relative and form and have towards first brake shoe of the harvesting groove of narrow bottom surface, above-mentioned guide rail bottom with above-mentioned brake shoe compressive plane opposing backside surface, on above-mentioned brake surface with above-mentioned guide rail; And
Be stored in the above-mentioned harvesting groove of above-mentioned first brake shoe, have the brake surface relative with above-mentioned guide rail and with second brake shoe of above-mentioned harvesting groove bottom opposing backside surface,
By with the control stalk of governor steel rope interlock, when the descending unusual speedup of above-mentioned lift car, drive above-mentioned first brake shoe upwards, it is downward to drive above-mentioned second brake shoe when the up unusual speedup of above-mentioned lift car, makes above-mentioned first brake shoe and second brake shoe play brake action respectively.
2, the brake device for elevator of putting down in writing as claim 1 is characterized in that,
The slotted hole that a side with the above-mentioned harvesting groove that is interspersed in above-mentioned first brake shoe forms along harvesting groove bottom direction of tilt and among the slotted hole that above-mentioned control stalk one end forms and be fixed on the latch of above-mentioned second brake shoe, one side drives above-mentioned first brake shoe and second brake shoe by above-mentioned latch.
3, the brake device for elevator of putting down in writing as claim 2, it is characterized in that, above-mentioned control stalk is made rectangular shape, be formed with above-mentioned slotted hole along its length at above-mentioned control stalk one end, can be that fulcrum rotates with the above-mentioned control stalk other end, light from above-mentioned, above-mentioned governor steel rope is installed in above-mentioned slotted hole side.
4, the brake device for elevator of putting down in writing as claim 2 or claim 3, it is characterized in that above-mentioned brake shoe is received and kept mechanism, have and suppress the stop face that first brake shoe moves down, when the normal lifting of above-mentioned lift car, above-mentioned first brake shoe puts on above-mentioned stop face.
As any one brake device for elevator put down in writing in the claim 1～4, it is characterized in that 5, between the above-mentioned back side of the above-mentioned bottom surface of above-mentioned first brake shoe harvesting groove and above-mentioned second brake shoe, folder has been established cylinder.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2002/012707 WO2004050525A1 (en) | 2002-12-04 | 2002-12-04 | Brake system for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1589226A true CN1589226A (en) | 2005-03-02 |
| CN100337896C CN100337896C (en) | 2007-09-19 |
Family
ID=32449000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028232046A Expired - Fee Related CN100337896C (en) | 2002-12-04 | 2002-12-04 | Elevator braking device |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1568643B1 (en) |
| JP (1) | JP4170295B2 (en) |
| KR (1) | KR100611596B1 (en) |
| CN (1) | CN100337896C (en) |
| WO (1) | WO2004050525A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575062B (en) * | 2009-05-18 | 2011-05-11 | 杭州沪宁电梯配件有限公司 | Asymmetric progressive safety gear |
| CN102101619A (en) * | 2009-12-18 | 2011-06-22 | 株式会社日立制作所 | Brake device of elevator |
| CN102465982A (en) * | 2010-10-29 | 2012-05-23 | 武汉市江汉石油机械有限公司 | Heavy-load free falling body brake device |
| CN103274274A (en) * | 2013-04-09 | 2013-09-04 | 康力电梯股份有限公司 | Safety tongs |
| CN104125923A (en) * | 2012-02-17 | 2014-10-29 | 因温特奥股份公司 | Brake system with variable friction |
| CN102272030B (en) * | 2009-01-12 | 2014-11-26 | 通力股份公司 | Elevator provided with locking apparatus to prevent movement of the elevator car and locking apparatus to prevent movement of the elevator car |
| CN105905741A (en) * | 2016-06-28 | 2016-08-31 | 爱默生电梯有限公司 | Elevator safety gear |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100763830B1 (en) * | 2006-05-19 | 2007-10-23 | 윤재한 | A rope brake device for elevator |
| PT1942071E (en) * | 2007-01-08 | 2011-02-17 | Thyssenkrupp Elevator Mfg Spain S L | Flotation means for the correct wedging of a safety device for life |
| WO2011052053A1 (en) | 2009-10-28 | 2011-05-05 | 三菱電機株式会社 | Emergency stop device for elevators |
| KR20130122663A (en) * | 2011-04-01 | 2013-11-07 | 미쓰비시덴키 가부시키가이샤 | Elevator device |
| WO2012144988A1 (en) * | 2011-04-19 | 2012-10-26 | Otis Elevator Company | Elevator brake having a brake release feature |
| CN103687797B (en) * | 2011-07-29 | 2017-06-13 | 奥的斯电梯公司 | Adjustable deadman's brake |
| JP5926603B2 (en) * | 2012-04-25 | 2016-05-25 | 株式会社日立製作所 | elevator |
| JP2014065591A (en) * | 2012-09-27 | 2014-04-17 | Hitachi Ltd | Elevator including emergency stop device |
| BR112015012174B1 (en) * | 2012-11-27 | 2022-06-14 | Inventio Ag | SAFETY BRAKE FOR AN ELEVATOR INSTALLATION WITH AT LEAST ONE MOVING BODY AND METHOD FOR BRAKE AND FIXING A MOVING BODY OF AN ELEVATOR INSTALLATION BY MEANS OF A SAFETY BRAKE |
| CN106956989B (en) * | 2015-09-12 | 2020-03-27 | 奥的斯电梯公司 | Elevator overspeed governor |
| CN109279474B (en) * | 2017-07-21 | 2021-05-07 | 奥的斯电梯公司 | Safety device, elevator safety system and elevator system |
| CN110342368B (en) * | 2018-04-04 | 2024-05-31 | 迈格钠磁动力股份有限公司 | Permanent magnet retarding safety protection device for elevator and elevator |
| EP3604196B1 (en) * | 2018-08-03 | 2023-04-26 | Otis Elevator Company | Electronic safety actuator assembly for elevator system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5943342Y2 (en) * | 1978-02-15 | 1984-12-21 | 三菱電機株式会社 | Elevator emergency stop device |
| FI85129C (en) * | 1989-12-14 | 1992-03-10 | Kone Oy | catching device |
| DE29614516U1 (en) * | 1996-08-21 | 1998-01-02 | C. Haushahn Gmbh & Co, 70469 Stuttgart | Safety gear |
| JP2001192184A (en) * | 2000-01-11 | 2001-07-17 | Toshiba Corp | Elevator emergency stop device |
| JP2002154761A (en) * | 2000-11-14 | 2002-05-28 | Otis Elevator Co | Safety device for non-ferrous guide rail |
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2002
- 2002-12-04 CN CNB028232046A patent/CN100337896C/en not_active Expired - Fee Related
- 2002-12-04 WO PCT/JP2002/012707 patent/WO2004050525A1/en active IP Right Grant
- 2002-12-04 KR KR1020047007580A patent/KR100611596B1/en active IP Right Grant
- 2002-12-04 JP JP2004556805A patent/JP4170295B2/en not_active Expired - Fee Related
- 2002-12-04 EP EP02788718A patent/EP1568643B1/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102272030B (en) * | 2009-01-12 | 2014-11-26 | 通力股份公司 | Elevator provided with locking apparatus to prevent movement of the elevator car and locking apparatus to prevent movement of the elevator car |
| CN101575062B (en) * | 2009-05-18 | 2011-05-11 | 杭州沪宁电梯配件有限公司 | Asymmetric progressive safety gear |
| CN102101619A (en) * | 2009-12-18 | 2011-06-22 | 株式会社日立制作所 | Brake device of elevator |
| CN102465982A (en) * | 2010-10-29 | 2012-05-23 | 武汉市江汉石油机械有限公司 | Heavy-load free falling body brake device |
| CN102465982B (en) * | 2010-10-29 | 2013-11-20 | 武汉市江汉石油机械有限公司 | Heavy-load free falling body brake device |
| CN104125923A (en) * | 2012-02-17 | 2014-10-29 | 因温特奥股份公司 | Brake system with variable friction |
| CN104125923B (en) * | 2012-02-17 | 2019-10-18 | 因温特奥股份公司 | Braking system with variable degree of friction |
| CN103274274A (en) * | 2013-04-09 | 2013-09-04 | 康力电梯股份有限公司 | Safety tongs |
| CN105905741A (en) * | 2016-06-28 | 2016-08-31 | 爱默生电梯有限公司 | Elevator safety gear |
| CN105905741B (en) * | 2016-06-28 | 2017-12-19 | 爱默生电梯有限公司 | A kind of elevator safety gear |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4170295B2 (en) | 2008-10-22 |
| WO2004050525A1 (en) | 2004-06-17 |
| JPWO2004050525A1 (en) | 2006-03-30 |
| KR20040082375A (en) | 2004-09-24 |
| EP1568643A1 (en) | 2005-08-31 |
| EP1568643B1 (en) | 2011-09-14 |
| EP1568643A4 (en) | 2010-09-01 |
| CN100337896C (en) | 2007-09-19 |
| KR100611596B1 (en) | 2006-08-10 |
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