CN103523635A - An elevator apparatus - Google Patents
An elevator apparatus Download PDFInfo
- Publication number
- CN103523635A CN103523635A CN201310271181.7A CN201310271181A CN103523635A CN 103523635 A CN103523635 A CN 103523635A CN 201310271181 A CN201310271181 A CN 201310271181A CN 103523635 A CN103523635 A CN 103523635A
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- China
- Prior art keywords
- electrical generator
- guiding device
- guide roller
- lift car
- magnetic clutch
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- 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.)
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- Types And Forms Of Lifts (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Elevator Control (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention provides an elevator apparatus. The elevator apparatus cannot result in increase in cost and may shortens the stop distance of an elevator lift car in emergency braking. The elevator apparatus comprises a guiding device and a guiding roller (17). The guiding device is disposed on the elevator lift car or a counterweight and is moved along a guide rail (3) so as to guide the ascending and the descending of the elevator lift car or the counterweight. The guiding roller (17) is disposed on the guiding device and is rotated on a surface of the guide rail (3). In the elevator apparatus, the guiding device comprises a power generator (20) for generating power by rotating a rotating shaft. The power generator (20) is connected with the guiding roller (17) such that the rotation of the guiding roller (17) is transmitted to the rotating shaft of the power generator when the elevator lift car or the counterweight ascends or descends.
Description
Technical field
The present invention relates to a kind of lift facility.
Background technology
In general elevator, hoist cable is wound on the rope sheave of the winch that is positioned at Machine Room or hoist trunk, by the friction force between rope sheave and hoist cable, makes lift car lifting.Now, if there is hoist cable during the emergency braking when having a power failure etc. between rope sheave and hoist cable, skid, may cause stopping distance to become large.In addition; in recent years there is the error state that elevator travels under door opening state; in order to limit the miles of relative movement of the lift car under this error state, for door open running fender guard, rules have been formulated, so the stopping distance while how to shorten braking becomes even more important.
In order to shorten the stopping distance in when braking, to have adopted in the prior art the lift car of the one end of increasing the weight of to be suspended in hoist cable and be suspended in the method for quality of counterbalanced weight of the other end of hoist cable simultaneously.The ratio that dwindles the tension force of the hoist cable by lift car side on rope sheave and the tension force of the hoist cable by balance heavy side on rope sheave by the quality of weighted elevator car and counterbalanced weight, reduces thus hoist cable and skids, and the stopping distance while making to brake can not increase.
In addition, the technology of skidding as minimizing hoist cable, for example, disclose a kind of braking force control system of controlling the braking force of winch in patent documentation 1.
On the other hand, a kind of brake equipment that stops guide roller rotation in order to prevent vibration is disclosed in patent documentation 2.
Technical literature formerly
Patent documentation
Patent documentation 1: the open patent 2004-231355 of Japan communique
Patent documentation 2: the real public clear 40-008979 communique of Japan's patent
In above-mentioned prior art, as mentioned above, the stopping distance of the lift car when shortening emergency braking, needs the quality of weighted elevator car and counterbalanced weight., the quality of weighted elevator car and counterbalanced weight can cause the rising of cost.Therefore, be necessary in the situation that not the quality of weighted elevator car and counterbalanced weight shorten stopping distance.
For example, when adopting the technology of the disclosed control winch of patent documentation 1 braking force, need to detect at ordinary times as the car speed of hoist cable speed with as the electromotor velocity of the winch of rope sheave speed always, and the device of controlling lock torque need to be set.Therefore, this technology can cause the structure of device to become complicated, may cause cost to rise.
In addition, for example, in the technology of the disclosed prevention guide roller rotation of patent documentation 2, by rod member, press guide roller, stop thus guide roller rotation, make guide roller and guide rail produce friction.For this reason, can make rod member, guide roller and guide rail produce abrasion, and in order to check the degree of abrasion and to change the parts that abrasion have occurred, need to carry out maintenance activity.Therefore,, while adopting this technology, can cause maintenance examination time and cost to increase.
Summary of the invention
The object of the present invention is to provide a kind of lift facility, this lift facility can not cause cost to increase, and the stopping distance of the lift car can shorten emergency braking time.
Solution
Lift facility of the present invention is characterised in that to have guiding device and guide roller, described guiding device is arranged on lift car or counterbalanced weight, along guide rail, move and the lifting of described lift car or described counterbalanced weight is guided, described guide roller is arranged on described guiding device, and rotate on the face of described guide rail, in described lift facility, described guiding device has the electrical generator by making S. A. rotate to generate electricity, described electrical generator is connected with described guide roller, the rotation of the described guide roller while making described lift car or described counterbalanced weight lifting is delivered on the described S. A. of described electrical generator.
Invention effect
According to lift facility of the present invention, can not cause cost to increase, and the stopping distance of the lift car can shorten emergency braking time.
Accompanying drawing explanation
Fig. 1 means the figure of the structure example of the lift facility that embodiments of the invention are related.
Fig. 2 A is the partial top view of cage side guiding device or balance heavy side guiding device.
Fig. 2 B is the partial side view of cage side guiding device or balance heavy side guiding device.
Nomenclature
1... lift car, 2... cage side guiding device, 3... cage side guide rail, 4... counterbalanced weight, 5... balance heavy side guiding device, 6... counterbalanced weight side rails, 7... main hoisting rope, 8... winch rope sheave, 9... winch, 10... car below pulley, 11... car top pulley, 12... counterbalanced weight top pulleys, 13... counterweight block, 14... pedestal, 15... rod member axle, 16... rod member, 17... guide roller, 17 ' ... roller shaft, 18... excellent part, 19... spring, 20... electrical generator, 21... resistance, 22... magnetic clutch, 23... pulley A, 24... pulley B, 25... driving band, 26... support, 27... guide roller, 28... roller shaft, 30... abnormal detector.
The specific embodiment
In lift facility involved in the present invention, on the guiding device that guides lift car and counterbalanced weight to move, be provided with electrical generator on guide rail.This electrical generator is connected with guide roller, makes the rotation of guide roller be delivered to this electrical generator, and this electrical generator generates electricity when emergency braking.The electric power sending by this electrical generator produces the resistance that lift car is slowed down, the stopping distance of the lift car while shortening emergency braking thus.By lift facility is arranged to said structure, the stopping distance of the lift car in the time of can shortening emergency braking with simple structure (namely electrical generator being installed on original guiding device).Therefore, lift facility involved in the present invention does not need the quality of weighted elevator car and counterbalanced weight, can not cause cost to increase, and the stopping distance of the lift car can shorten emergency braking time.In addition, easily carry out maintenance activity and maintenance examination.
If guide roller is connected with electrical generator all the time, for example when accelerating or while travelling with command speed, also can produce resistance, cause unnecessary burden to the electrical motor of elevator, need between rope sheave and hoist cable, increase extra towability.For this reason, can be arranged to carry out the coupled condition between switching and booting roller and electrical generator according to motoring condition, namely when conventionally travelling, cut off being connected between guide roller and electrical generator, when carrying out emergency braking, connect guide roller and electrical generator, make the electric power that electrical generator sends only when emergency braking, form the resistance that lift car is braked.
Also can be on electrical generator contact resistance.By adjusting the resistance value of the resistance connecting, can be adjusted at the moment producing in electrical generator, can adjust thus the stopping distance of lift car.
Also can be arranged to electrical generator electricity masterpiece is that electric signal is sent to external device (ED).By transmitting electric signal, can the outside plants such as this matters notice caretaker room of emergency braking will have been there is.
Referring to accompanying drawing, the embodiment of lift facility involved in the present invention is described.
Fig. 1 means the figure of the structure example of the lift facility that embodiments of the invention are related.In lift facility, the power of the electrical motor by winch 9, carries out friction-driven via 8 pairs of main hoisting ropes of winch rope sheave 7, makes to be suspended in lift car 1 lifting on main hoisting rope 7.In the upper and lower of lift car 1, be separately installed with 2 (4 altogether) cage side guiding devices 2.Cage side guiding device 2 moves that at above-below direction lift car 1 is guided along cage side guide rail 3, makes thus lift car 1 lifting.
At the top of lift facility, be provided with car top pulley 11 and counterbalanced weight top pulleys 12.Left and right sides in the bottom of lift car 1 is provided with car lower pulley 10.In car top pulley 11, counterbalanced weight top pulleys 12 and car lower pulley 10, be wound with main hoisting rope 7, and performance make main hoisting rope 7 change towards effect.
Take winch rope sheave 8 during as benchmark, and at the opposition side of lift car 1, main hoisting rope 7 is via counterbalanced weight top pulleys 12 and counterweight block 13 suspention counterbalanceds weight 4.In the upper and lower of counterbalanced weight 4, be separately installed with 2 (4 altogether) balance heavy side guiding devices 5.Balance heavy side guiding device 5 moves that at above-below direction counterbalanced weight 4 is guided along counterbalanced weight side rails 6, makes thus counterbalanced weight 4 liftings.
Be arranged on the cage side guiding device 2 on lift car 1 top, in the lower position of cage side guiding device 2, be provided with pedestal 14.In addition,, being arranged on the cage side guiding device 2 of lift car 1 bottom, at the upper position place of cage side guiding device 2, be provided with pedestal 14.Balance heavy side guiding device 5 is the same with cage side guiding device 2, is being arranged on the balance heavy side guiding device 5 on counterbalanced weight 4 tops, in the lower position of balance heavy side guiding device 5, is provided with pedestal 14.Being arranged on the balance heavy side guiding device 5 of counterbalanced weight 4 bottoms, at the upper position place of balance heavy side guiding device 5, be provided with pedestal 14.Cage side guiding device 2 and counterbalanced weight side guiding device 5 are arranged on lift car 1 and counterbalanced weight 4 by pedestal 14 respectively.
A part for cage side guiding device 2 or balance heavy side guiding device 5 has been shown in Fig. 2 A and Fig. 2 B.Fig. 2 A is the birds-eye view of cage side guiding device 2 or balance heavy side guiding device 5, and Fig. 2 B is the lateral plan of cage side guiding device 2 or balance heavy side guiding device 5.In the following description, suppose to be a part for cage side guiding device 2 shown in Fig. 2 A and Fig. 2 B.In addition, the cage side guiding device 2 that is arranged on lift car 1 top has been shown in Fig. 2 A and Fig. 2 B.That is to say, pedestal 14 is arranged on the bottom of cage side guiding device 2.
As shown in Figure 2 A and 2 B, cage side guiding device 2 has pedestal 14, rod member 16, guide roller 17, guide roller 27, electrical generator 20 and magnetic clutch 22.Rod member 16, guide roller 17, guide roller 27, electrical generator 20 and magnetic clutch 22 are arranged on pedestal 14.
As electrical generator 20, can use the existing electrical generator that rotates to generate electricity by S. A., alternating current generators such as the dynamo generators such as commutator generator (Dynamo) or three phase alternator.Pulley B24 is installed on the S. A. of electrical generator 20.
In addition, in pedestal 14, roller shaft 17 ' the extended line of length direction on pulley A23 is installed.Driving band 25 is wound on pulley A23 and pulley B24.Therefore,, when pulley A23 rotates, the S. A. of pulley B24 and electrical generator 20 rotates together with pulley A23.
Magnetic clutch 22 is arranged between guide roller 17 and electrical generator 20, has guide roller 17 is connected and separated function with electrical generator 20.On magnetic clutch 22, be connected with abnormal detector 30, can use abnormal detector 30 that magnetic clutch 22 is connected or cut off.By magnetic clutch 22 is connected, can be by roller shaft 17 ' be connected with the axle of pulley A23, by cut-out magnetic clutch 22, can make roller shaft 17 ' separated with the axle of pulley A23.Magnetic clutch 22 can be used existing magnetic clutch.
When conventionally moving, magnetic clutch 22 makes roller shaft 17 ' separated with the axle of pulley A23, and when abnormal detector 30 detects the abnormal elevators such as door open running, magnetic clutch 22 makes roller shaft 17 ' be connected with the axle of pulley A23.That is to say, when conventionally moving, roller shaft 17 ' and the axle of pulley A23 in released state, at abnormal detector 30, error state detected and need to carry out emergency braking time, magnetic clutch 22 makes roller shaft 17 ' be connected with the axle of pulley A23.
At roller shaft 17 ' after being connected with the axle of pulley A23, the rotational force of guide roller 17 via roller shaft 17 ', pulley A23, driving band 25 and pulley B24 be delivered to the S. A. of electrical generator 20.Electrical generator 20 generates electricity when S. A. rotates, and the moment of the electrical generator 20 producing during generating becomes the resistance that suppresses guide roller 17 rotations.That is to say, being rotated in when electrical generator 20 generates electricity of guide roller 17 is suppressed, and guide roller 17 is at the Speed Reduction of the rotation of the guide rail upper surface of cage side guide rail 3.Therefore,, when emergency braking, by making electrical generator 20 generatings produce the resistance that lift car 1 is slowed down, can shorten thus the stopping distance of lift car 1.As mentioned above, in the related lift facility of present embodiment, can utilize the resistance that the generating of electrical generator 20 produces to brake lift car 1.
In addition, also can replace pulley A23, pulley B24 and the driving band 25 for transmitting rotational force with other the transmission device such as combination of sprocket wheel and chain.
In the structure shown in Fig. 2, electrical generator 20 is connected with resistance 21.The electric power that resistance 21 is sent by electrical generator 20 while consuming emergency braking.By adjusting the resistance value of the resistance 21 being connected with electrical generator 20, can be adjusted at the moment that electrical generator 20 produces, can change the resistance that suppresses guide roller 17 rotations, can adjust thus the stopping distance of lift car 1.For example, by dwindling the resistance value of resistance 21, the moment producing at electrical generator 20 can be increased, the stopping distance of lift car 1 can be shortened.Resistance 21 can be arranged on arbitrary site, for example, can be arranged on the inside of the inside of cage side guiding device 2 or the control panel of elevator (not shown).
By the electric power that electrical generator 20 is sent, as electric signal, be sent to outside caretaker room etc., elevator can have been carried out to this matters notice outside of emergency braking.For example, by signal wire (SW), connect the receiving device of electrical generator 20 and caretaker room, at receiving device, when electrical generator 20 receives electric signal, give a warning, can know that elevator has carried out emergency braking at caretaker room thus.
The example that guide roller 17 that electrical generator 20 rotates with guide rail upper surface at cage side guide rail 3 via magnetic clutch 22 is connected has been shown in the structure shown in Fig. 2, but electrical generator 20 also can be connected with the guide roller 27 of guide rail side rotation at cage side guide rail 3.Now, magnetic clutch 22 makes the roller shaft 28 of roller shaft 27 and the axle of pulley A23 is connected or separated.
In addition, a plurality of electrical generators 20 also can be set, and the guide roller 17 that rotates of the guide rail upper surface that makes electrical generator 20 be connected to cage side guide rail 3 and the guide roller 27 rotating in the guide rail side of cage side guide rail 3.That is to say, electrical generator 20 can be connected with any one or a plurality of guide roller in the guide roller rotating on guide rail at cage side guide rail 3.
In the structure shown in Fig. 1,4 cage side guiding devices 2 are installed on lift car 1, now, electrical generator 20 can be arranged on one or more cage side guiding device 2.While electrical generator 20 being set on a plurality of cage side guiding devices 2, in order to keep lift car 1 balance on (left and right directions of Fig. 1) in the horizontal direction, preferably electrical generator 20 being arranged on along horizontal direction and being positioned on the cage side guiding device 2 of symmetric position.
The cage side guiding device 2 that is arranged on lift car 1 top has been shown in Fig. 2 A and Fig. 2 B, and wherein pedestal 14 is arranged on the bottom (with reference to Fig. 1) of cage side guiding device 2.When electrical generator 20 being arranged on the cage side guiding device 2 that is installed on lift car 1 bottom, electrical generator 20 is arranged on to the below of pedestal 14, and other members such as rod member 16, guide roller 17, guide roller 27 and magnetic clutch 22 is also arranged on to the below of pedestal 14.
Also electrical generator 20 can be arranged on the balance heavy side guiding device 5 moving along counterbalanced weight side rails 6.Structure when electrical generator 20 is arranged on balance heavy side guiding device 5 and effect are identical when electrical generator 20 is arranged on cage side guiding device 2, so omit its repeat specification at this.
Claims (5)
1. a lift facility, it has guiding device and guide roller, described guiding device is arranged on lift car or counterbalanced weight, along guide rail, move and the lifting of described lift car or described counterbalanced weight is guided, described guide roller is arranged on described guiding device, and rotate on the face of described guide rail, described lift facility is characterised in that
Described guiding device has the electrical generator by making S. A. rotate to generate electricity,
Described electrical generator is connected with described guide roller, and the rotation of the described guide roller while making described lift car or described counterbalanced weight lifting is delivered on the described S. A. of described electrical generator.
2. lift facility as claimed in claim 1, is characterized in that,
Described guiding device has magnetic clutch between described guide roller and described electrical generator,
When common operation, described magnetic clutch cuts off being connected of described guide roller and described electrical generator, and when carrying out emergency braking, described magnetic clutch makes described guide roller be connected with described electrical generator.
3. lift facility as claimed in claim 2, is characterized in that,
Described magnetic clutch is connected with abnormal detector, and when described abnormal detector detects described elevator abnormal, described magnetic clutch makes described guide roller be connected with described electrical generator.
4. the lift facility as described in any one in claims 1 to 3, is characterized in that,
Described electrical generator is connected with the resistance that consumes the electric power sending.
5. the lift facility as described in any one in claim 1 to 4, is characterized in that,
Described electrical generator is sent to external device (ED) using sent electric power as electric signal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012152096A JP2014015275A (en) | 2012-07-06 | 2012-07-06 | Elevator device |
| JP2012-152096 | 2012-07-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103523635A true CN103523635A (en) | 2014-01-22 |
| CN103523635B CN103523635B (en) | 2016-02-03 |
Family
ID=49926066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310271181.7A Expired - Fee Related CN103523635B (en) | 2012-07-06 | 2013-07-01 | Lift facility |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2014015275A (en) |
| CN (1) | CN103523635B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192672A (en) * | 2014-08-25 | 2014-12-10 | 苏州汉森华纳节能科技有限公司 | Energy-saving guide shoe |
| CN105129583A (en) * | 2015-07-03 | 2015-12-09 | 中国矿业大学 | Rope shaft guide cage energy collecting device and method |
| CN105800418A (en) * | 2015-01-16 | 2016-07-27 | 三菱电机大楼技术服务株式会社 | Elevator counterweight carrying device |
| CN105800417A (en) * | 2015-01-16 | 2016-07-27 | 三菱电机大楼技术服务株式会社 | Method for carrying elevator counterweight |
| CN105984789A (en) * | 2015-03-20 | 2016-10-05 | 富士达株式会社 | Elevator car rolling suppression device and elevator car rolling suppression method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555680B (en) * | 2014-12-29 | 2017-05-10 | 昆山京都电梯有限公司 | Lift capable of automatically charging storage batteries |
| KR101701887B1 (en) * | 2015-02-13 | 2017-04-11 | (주)한양공영 | Emergency stop device of the elevator |
| CN113526300B (en) * | 2020-04-22 | 2022-11-04 | 株式会社日立制作所 | Guide device and elevator for carrying people or goods using the same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1470891A (en) * | 1973-09-25 | 1977-04-21 | Westinghouse Electric Corp | Roller guide device for use in elevator system |
| JPH06271236A (en) * | 1993-03-17 | 1994-09-27 | Mitsubishi Electric Corp | Position detector for elevator car |
| US5950771A (en) * | 1997-12-11 | 1999-09-14 | Otis Elevator Company | Roller guide friction damper |
| CN101102955A (en) * | 2006-01-10 | 2008-01-09 | 三菱电机株式会社 | Elevator device |
| US7562749B2 (en) * | 2004-05-04 | 2009-07-21 | Elevator Safety Company | Roller guide |
| CN101934960A (en) * | 2010-09-13 | 2011-01-05 | 四川奥尔铂电梯有限公司 | High rise lift controlled by passive potential energy |
| JP2012025561A (en) * | 2010-07-26 | 2012-02-09 | Ohbayashi Corp | Elevator, power generator for counterweight, and power generation method |
-
2012
- 2012-07-06 JP JP2012152096A patent/JP2014015275A/en active Pending
-
2013
- 2013-07-01 CN CN201310271181.7A patent/CN103523635B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1470891A (en) * | 1973-09-25 | 1977-04-21 | Westinghouse Electric Corp | Roller guide device for use in elevator system |
| JPH06271236A (en) * | 1993-03-17 | 1994-09-27 | Mitsubishi Electric Corp | Position detector for elevator car |
| US5950771A (en) * | 1997-12-11 | 1999-09-14 | Otis Elevator Company | Roller guide friction damper |
| US7562749B2 (en) * | 2004-05-04 | 2009-07-21 | Elevator Safety Company | Roller guide |
| CN101102955A (en) * | 2006-01-10 | 2008-01-09 | 三菱电机株式会社 | Elevator device |
| JP2012025561A (en) * | 2010-07-26 | 2012-02-09 | Ohbayashi Corp | Elevator, power generator for counterweight, and power generation method |
| CN101934960A (en) * | 2010-09-13 | 2011-01-05 | 四川奥尔铂电梯有限公司 | High rise lift controlled by passive potential energy |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192672A (en) * | 2014-08-25 | 2014-12-10 | 苏州汉森华纳节能科技有限公司 | Energy-saving guide shoe |
| CN105800418A (en) * | 2015-01-16 | 2016-07-27 | 三菱电机大楼技术服务株式会社 | Elevator counterweight carrying device |
| CN105800417A (en) * | 2015-01-16 | 2016-07-27 | 三菱电机大楼技术服务株式会社 | Method for carrying elevator counterweight |
| CN105800417B (en) * | 2015-01-16 | 2019-03-15 | 三菱电机大楼技术服务株式会社 | Elevator weight sensor moves out the method for moving in |
| CN105800418B (en) * | 2015-01-16 | 2019-03-15 | 三菱电机大楼技术服务株式会社 | Elevator weight sensor, which moves out, moves in device |
| CN105984789A (en) * | 2015-03-20 | 2016-10-05 | 富士达株式会社 | Elevator car rolling suppression device and elevator car rolling suppression method |
| US10138090B2 (en) | 2015-03-20 | 2018-11-27 | Fujitec Co., Ltd. | Elevator car rolling suppression device and method |
| CN105129583A (en) * | 2015-07-03 | 2015-12-09 | 中国矿业大学 | Rope shaft guide cage energy collecting device and method |
| CN105129583B (en) * | 2015-07-03 | 2017-03-08 | 中国矿业大学 | A kind of cable guide cage energy collecting device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103523635B (en) | 2016-02-03 |
| JP2014015275A (en) | 2014-01-30 |
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