CN103523635B - Lift facility - Google Patents
Lift facility Download PDFInfo
- Publication number
- CN103523635B CN103523635B CN201310271181.7A CN201310271181A CN103523635B CN 103523635 B CN103523635 B CN 103523635B CN 201310271181 A CN201310271181 A CN 201310271181A CN 103523635 B CN103523635 B CN 103523635B
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- CN
- China
- Prior art keywords
- electrical generator
- guide roller
- guiding device
- lift car
- lift
- 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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- Types And Forms Of Lifts (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Elevator Control (AREA)
Abstract
The invention provides a kind of lift facility, this lift facility can not cause cost to increase, and the stopping distance of lift car when can shorten emergency braking.Lift facility of the present invention has guiding device and guide roller (17), this guiding device is arranged on lift car or counterbalanced weight, move along guide rail (3) and the lifting of lift car or counterbalanced weight is guided, this guide roller (17) is arranged on guiding device, and rotate on the face of guide rail (3), in this lift facility, guiding device has by making S. A. rotate the electrical generator (20) carrying out generating electricity, this electrical generator (20) is connected with guide roller (17), the rotation of the guide roller (17) when lift car or counterbalanced weight are elevated is delivered on the S. A. of electrical generator.
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 being positioned at Machine Room or hoist trunk, by the friction force between rope sheave and hoist cable, lift car is elevated.Now, skidding if there occurs hoist cable during emergency braking when having a power failure etc. between rope sheave and hoist cable, stopping distance may be caused to become large.In addition; in recent years there occurs 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, formulate regulation for door open running fender guard, so stopping distance when how to shorten braking becomes even more important.
In order to shorten stopping distance during braking, the method for the quality of the counterbalanced weight of the lift car that have employed the one end simultaneously increasing the weight of to be suspended in hoist cable in the prior art and the other end that is suspended in hoist cable.Reduced the ratio of the tension force of the hoist cable by balance heavy side on the tension force of the hoist cable by lift car side on rope sheave and rope sheave by the quality of weighted elevator car and counterbalanced weight, reduce hoist cable thus and skid, stopping distance during braking can not be increased.
In addition, as the technology reducing hoist cable skidding, such as, Patent Document 1 discloses a kind of braking force control system controlling the braking force of winch.
On the other hand, Patent Document 2 discloses a kind of brake equipment stoping guide roller to rotate to prevent from vibrating.
At first technical literature
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 2004-231355 publication
Patent documentation 2: the real public clear 40-008979 publication of Japan's patent
In the above prior art, as mentioned above, the stopping distance of lift car during in order to shorten 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 to shorten stopping distance when the quality of not weighted elevator car and counterbalanced weight.
Such as when adopting the technology of the control winch braking force disclosed in patent documentation 1, need to detect the electromotor velocity as the car speed of hoist cable speed and the winch as rope sheave speed at ordinary times always, and need to arrange the device controlling lock torque.Therefore, this technology can cause the structure of device to become complicated, may cause cost increase.
In addition, such as, in the technology of the prevention guide roller rotation disclosed in patent documentation 2, press guide roller by rod member, stop guide roller to rotate thus, guide roller and guide rail are produced and rubs.For this reason, rod member, guide roller and guide rail can be made to produce abrasion, and in order to the degree that checks abrasion with change the parts that there occurs abrasion, need to carry out maintenance activity.Therefore, when adopting this technology, maintenance examination time and cost can be caused 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 lift car when can shorten emergency braking.
Solution
The feature of lift facility of the present invention is to have guiding device and guide roller, described guiding device is arranged on lift car or counterbalanced weight, move along guide rail 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 by making S. A. rotate the electrical generator carrying out generating electricity, described electrical generator is connected with described guide roller, the rotation of described guide roller when described lift car or described counterbalanced weight are elevated is delivered on the described S. A. of described electrical generator.
Invention effect
According to lift facility of the present invention, cost can not be caused to increase, and the stopping distance of lift car when can shorten emergency braking.
Accompanying drawing explanation
Fig. 1 is the figure of the structure example of the lift facility represented involved by embodiments of the invention.
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... heavy side guiding device is balanced, 6... counterbalanced weight side rails, 7... main hoist cable, 8... winch rope sheave, 9... winch, 10... pulley below car, 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... rods, 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.
Detailed description of the invention
In lift facility involved in the present invention, the guiding device guiding lift car and counterbalanced weight movement on guide rail is provided with electrical generator.This electrical generator is connected with guide roller, and make the rotation of guide roller be delivered to this electrical generator, this electrical generator generates electricity when emergency braking.The electric power sent by this electrical generator produces the resistance that lift car is slowed down, the stopping distance of lift car when shortening emergency braking thus.By lift facility is arranged to said structure, the stopping distance of lift car when can shorten emergency braking with simple structure (namely installing electrical generator on original guiding device).Therefore, lift facility involved in the present invention does not need the quality of weighted elevator car and counterbalanced weight, and cost can not be caused to increase, and the stopping distance of lift car when can shorten emergency braking.In addition, easily maintenance activity and maintenance examination is carried out.
If guide roller is connected with electrical generator all the time, then such as accelerate time or also can produce resistance when travelling with command speed, cause unnecessary burden to the electrical motor of elevator, need between rope sheave and hoist cable, increase extra towability.For this reason, the coupled condition coming between switching and booting roller and electrical generator according to motoring condition can be arranged to, the connection between guide roller and electrical generator is namely cut off when usually travelling, connect guide roller and electrical generator when carrying out emergency braking, the electric power that electrical generator is sent only forms the resistance braked lift car when emergency braking.
Also can on electrical generator contact resistance.By adjusting the resistance value of the resistance connected, the moment produced in electrical generator can be adjusted, the stopping distance of lift car can be adjusted thus.
Also can be arranged to electrical generator electricity masterpiece is that electric signal is sent to external device (ED).By transmitting electric signal, the outside plants such as these matters of emergency braking notice caretaker room can will be there occurs.
Be described referring to the embodiment of accompanying drawing to lift facility involved in the present invention.
Fig. 1 is the figure of the structure example of the lift facility represented involved by embodiments of the invention.In lift facility, by the power of the electrical motor of winch 9, via winch rope sheave 8, friction-driven is carried out to main hoist cable 7, the lift car 1 be suspended on main hoist cable 7 is elevated.2 (altogether 4) cage side guiding devices 2 are separately installed with in the upper and lower of lift car 1.Cage side guiding device 2 moves to guide lift car 1 along cage side guide rail 3 at above-below direction, makes lift car 1 be elevated thus.
Car top pulley 11 and counterbalanced weight top pulleys 12 is provided with at the top of lift facility.The left and right sides of the bottom of lift car 1 is provided with car lower pulley 10.Car top pulley 11, counterbalanced weight top pulleys 12 and car lower pulley 10 are wound with main hoist cable 7, and play make main hoist cable 7 change towards effect.
When being benchmark with winch rope sheave 8, in the opposition side of lift car 1, main hoist cable 7 suspends counterbalanced weight 4 in midair via counterbalanced weight top pulleys 12 and counterweight block 13.2 (altogether 4) balance heavy side guiding devices 5 are separately installed with in the upper and lower of counterbalanced weight 4.Balance heavy side guiding device 5 moves to guide counterbalanced weight 4 along counterbalanced weight side rails 6 at above-below direction, makes counterbalanced weight 4 be elevated thus.
On the cage side guiding device 2 being arranged on lift car 1 top, the lower position of cage side guiding device 2 is provided with pedestal 14.In addition, on the cage side guiding device 2 being arranged on lift car 1 bottom, the upper position place of cage side guiding device 2 is provided with pedestal 14.Balance heavy side guiding device 5 is the same with cage side guiding device 2, on the balance heavy side guiding device 5 being arranged on counterbalanced weight 4 top, the lower position of balance heavy side guiding device 5 is provided with pedestal 14.On the balance heavy side guiding device 5 being arranged on counterbalanced weight 4 bottom, the upper position place of balance heavy side guiding device 5 is 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 respectively by pedestal 14.
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, assuming that be the part of cage side guiding device 2 shown in Fig. 2 A and Fig. 2 B.In addition, the cage side guiding device 2 being arranged on lift car 1 top has been shown in Fig. 2 A and Fig. 2 B.That is, 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.
Rod member 16 is supported on pedestal 14, with rod member axle 15 for S. A. rotates, rod member 16 can be provided with roller shaft 17 '.
Guide roller 17 is supported on roller shaft 17 ', with roller shaft 17 ' for S. A. rotates, and can rotate at the guide rail upper surface of cage side guide rail 3.
Guide roller 27 is supported on roller shaft 28, with roller shaft 28 for S. A. rotates, and can rotate in the guide rail side of cage side guide rail 3.Roller shaft 28 is arranged on and is arranged on the support 26 of pedestal 14.
Pedestal 14 is also provided with rods 18, rods 18 is provided with spring 19.The hand of rotation (direction towards cage side guide rail 3 place) of rod member 16 towards rod member 16 presses by spring 19.Rod member 16 is pressed and by guide roller 17 by being pressed on cage side guide rail 3 by spring 19.
As electrical generator 20, can use and rotate by S. A. the existing electrical generator generated electricity, the alternating current generators such as dynamo generator or three phase alternator such as such as commutator generator (Dynamo).The S. A. of electrical generator 20 is provided with pulley B24.
In addition, in pedestal 14, the extended line of the length direction of roller shaft 17 ' is provided with pulley A23.Driving band 25 is wound on pulley A23 and pulley B24.Therefore, when pulley A23 rotates, pulley B24 rotates together with pulley A23 with the S. A. of electrical generator 20.
Magnetic clutch 22 is arranged between guide roller 17 and electrical generator 20, has and guide roller 17 is connected and the function be separated with electrical generator 20.Magnetic clutch 22 is connected with abnormal detector 30, abnormal detector 30 can be used to be connected by magnetic clutch 22 or cut off.By making magnetic clutch 22 connect, the axle of roller shaft 17 ' with pulley A23 can being connected, by cutting off magnetic clutch 22, roller shaft 17 ' can being made to be separated with the axle of pulley A23.Magnetic clutch 22 can use existing magnetic clutch.
When usually running, magnetic clutch 22 makes roller shaft 17 ' be 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, when usually running, the axle of roller shaft 17 ' and pulley A23 is in released state, and when abnormal detector 30 detects error state and needs to carry out emergency braking, magnetic clutch 22 makes roller shaft 17 ' be connected with the axle of pulley A23.
After roller shaft 17 ' is connected with the axle of pulley A23, the rotational force of guide roller 17 is delivered to the S. A. of electrical generator 20 via roller shaft 17 ', pulley A23, driving band 25 and pulley B24.Electrical generator 20 generates electricity when S. A. rotates, and the moment of the electrical generator 20 produced during generating becomes the resistance suppressing guide roller 17 to rotate.That is, being rotated in when electrical generator 20 generates electricity of guide roller 17 is suppressed, and guide roller 17 reduces in the speed of the rotation of the guide rail upper surface of cage side guide rail 3.Therefore, when emergency braking, generate electricity by making electrical generator 20 and produce the resistance that lift car 1 is slowed down, the stopping distance of lift car 1 can be shortened thus.As mentioned above, in the lift facility involved by present embodiment, the resistance that the generating of electrical generator 20 can be utilized to produce is braked lift car 1.
In addition, other the transmission device such as combination of sprocket wheel and chain also can be used to replace pulley A23, pulley B24 and driving band 25 for transmitting rotational force.
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 when consuming emergency braking.By adjusting the resistance value of the resistance 21 be connected with electrical generator 20, the moment produced at electrical generator 20 can be adjusted, the resistance suppressing guide roller 17 to rotate can be changed, the stopping distance of lift car 1 can be adjusted thus.Such as, by reducing the resistance value of resistance 21, the moment produced 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, such as, can be arranged on the inside of the inside of cage side guiding device 2 or the control panel (not shown) of elevator.
Be sent to outside caretaker room etc. by the electric power sent by electrical generator 20 as electric signal, elevator can be carried out these matters of emergency braking notice outside.Such as, connected the receiving device of electrical generator 20 and caretaker room by signal wire (SW), give a warning when receiving device receives electric signal from electrical generator 20, can know that elevator has carried out emergency braking at caretaker room thus.
The example that electrical generator 20 is connected via the guide roller 17 that magnetic clutch 22 and the guide rail upper surface at cage side guide rail 3 rotate has been shown in the structure shown in Fig. 2, but the guide roller 27 that electrical generator 20 also can rotate with the guide rail side at cage side guide rail 3 is connected.Now, magnetic clutch 22 makes the roller shaft 28 of roller shaft 27 be connected with the axle of pulley A23 or be separated.
In addition, multiple electrical generator 20 also can be set, and make the guide roller 17 that electrical generator 20 is connected to the guide rail upper surface rotation of cage side guide rail 3 and the guide roller 27 rotated in the guide rail side of cage side guide rail 3.That is, electrical generator 20 can be connected with any one in the guide roller rotated on the guide rail of cage side guide rail 3 or multiple guide roller.
In the construction shown in fig. 1, lift car 1 is provided with 4 cage side guiding devices 2, now, electrical generator 20 can be arranged on one or more cage side guiding device 2.When multiple cage side guiding device 2 arranges electrical generator 20, in order to keep the balance of lift car 1 in the horizontal direction on (left and right directions of Fig. 1), preferably electrical generator 20 being arranged on and being positioned on the cage side guiding device 2 of symmetric position along horizontal direction.
The cage side guiding device 2 being 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 being installed on lift car 1 bottom, electrical generator 20 is arranged on the below of pedestal 14, and other components such as rod member 16, guide roller 17, guide roller 27 and magnetic clutch 22 are also arranged on the below of pedestal 14.
Also electrical generator 20 can be arranged on along on the balance heavy side guiding device 5 of counterbalanced weight side rails 6 movement.Structure when being arranged on by electrical generator 20 on balance heavy side guiding device 5 is identical with when being arranged on cage side guiding device 2 by electrical generator 20 with effect, 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, move along guide rail 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, the feature of described lift facility is
Described guiding device has by making S. A. rotate the electrical generator carrying out generating electricity,
Described electrical generator is connected with described guide roller, and the rotation of described guide roller when described lift car or described counterbalanced weight are elevated is delivered on the described S. A. of described electrical generator,
Described guiding device has magnetic clutch between described guide roller and described electrical generator,
When usually running, described magnetic clutch cuts off the connection of described guide roller and described electrical generator, when carrying out emergency braking, described magnetic clutch makes described guide roller be connected with described electrical generator, make described electrical power generators to produce the resistance that described lift car is slowed down, shorten the stopping distance of described lift car thus.
2. lift facility as claimed in claim 1, is characterized in that,
Described magnetic clutch is connected with abnormal detector, and when described abnormal detector detects the exception of described elevator, described magnetic clutch makes described guide roller be connected with described electrical generator.
3. lift facility as claimed in claim 1 or 2, is characterized in that,
Described electrical generator is connected with the resistance consuming the electric power sent.
4. lift facility as claimed in claim 1 or 2, is characterized in that,
Sent electric power is sent to external device (ED) as electric signal by described electrical generator.
5. lift facility as claimed in claim 3, is characterized in that,
Sent electric power is sent to external device (ED) as electric signal by described electrical generator.
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 CN103523635A (en) | 2014-01-22 |
| CN103523635B true 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) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192672B (en) * | 2014-08-25 | 2017-09-05 | 仇淑玉 | One kind energy-conservation leads boots |
| 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 |
| JP6113206B2 (en) * | 2015-01-16 | 2017-04-12 | 三菱電機ビルテクノサービス株式会社 | Elevator balancing weight loading / unloading device |
| JP6141338B2 (en) * | 2015-01-16 | 2017-06-07 | 三菱電機ビルテクノサービス株式会社 | Elevator balancing weight loading / unloading method |
| KR101701887B1 (en) * | 2015-02-13 | 2017-04-11 | (주)한양공영 | Emergency stop device of the elevator |
| JP6399404B2 (en) * | 2015-03-20 | 2018-10-03 | フジテック株式会社 | Car roll restraining device and elevator roll restraining method for elevator |
| 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 |
| 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 (5)
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06271236A (en) * | 1993-03-17 | 1994-09-27 | Mitsubishi Electric Corp | Position detector for elevator car |
| 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 (5)
| 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 |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103523635A (en) | 2014-01-22 |
| JP2014015275A (en) | 2014-01-30 |
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Granted publication date: 20160203 |