CN107697763A - Elevator - Google Patents
Elevator Download PDFInfo
- Publication number
- CN107697763A CN107697763A CN201610642675.5A CN201610642675A CN107697763A CN 107697763 A CN107697763 A CN 107697763A CN 201610642675 A CN201610642675 A CN 201610642675A CN 107697763 A CN107697763 A CN 107697763A
- Authority
- CN
- China
- Prior art keywords
- pouring weight
- governor rope
- car
- weight frame
- electromagnet
- 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
- B66B5/021—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
- B66B5/022—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system where the abnormal operating condition is caused by a natural event, e.g. earthquake
-
- 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
- B66B5/021—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
- B66B5/024—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system where the abnormal operating condition is caused by an accident, e.g. fire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/10—Arrangements of ropes or cables for equalising rope or cable tension
Abstract
The present invention relates to a kind of elevator (100), it has：Lift the car (106) in hoistway (102)；And the limiter of speed including governor rope (142) and tensioning apparatus (144).The tensioning apparatus includes：It is equipped on the tensioning wheel (202) in the sag bent portion (142a) of the governor rope；It is hung on the pouring weight frame (204) of the rotary shaft (202a) of the tensioning wheel；It is disposed longitudinally in the hoistway, limits the guide rail (210) of the pouring weight frame moving direction；It is fixed on the guide rail, the electromagnet (214) above the pouring weight frame；And, preparation pouring weight (212), it is generally attracted by the electromagnet and is suspended in the top of the pouring weight frame, when the stop position of the car is resonant position, leave the electromagnet for stopping attracting, the pouring weight frame is fallen on, increases the tension force of the governor rope, so that the stop position of the car is changed into off-resonance position.
Description
Technical field
The present invention relates to elevator.
Background technology
In recent years, the impetus of high stratification is constantly presented in building.And skyscraper occurs in the case where having high wind or earthquake
Rocking vibration will bring many problems.For example, building waves hoist ropes and governor rope driven in elevator hoistways etc.
Long size rope form object waves, when the intrinsic frequency of these rope form object rocking vibrations is identical with the intrinsic frequency of building or connects
It when near, will resonate, make the Oscillation Amplitude of rope form object become very big, other devices in hoistway may be struck, set
Standby, instrument, in addition with these devices, equipment, instrument phase tied up in knots, cause breakage.Especially when running into high wind or long period
During earthquake, this problem seems more prominent.And in long size rope form object, governor rope is generally arranged at the periphery of hoistway
Position, its tensile force is also relatively small, therefore is easier collide with other devices, equipment, instrument, mutually tangle.
International Application Publ WO2007/099619 discloses a kind of elevator control running gear.The device is detecting
When being waved to the building caused by earthquake or high wind, compare the intrinsic frequency of rope form object vibration and the intrinsic frequency of building
Rate, by the selection of the stop position of car at the position that rope form object does not resonate (floor), to avoid resonating.
But the car of elevator has to be parked in the floor that rope form object may resonate sometimes.For example, fire occurs
When, fire fighter is in order to put out a fire, it has to which car is parked in the floor that may be resonated.In this case, just can not profit
Rope form object resonance is avoided with the mode of above-mentioned patent gazette.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of elevator, what it can may resonate governor rope
Position (referred to as " resonant position ") is changed into the position (referred to as " off-resonance position ") that governor rope does not resonate
To solve the technical problem, elevator of the invention has：Lift the car in hoistway；And including governor rope
With the limiter of speed of tensioning apparatus.The tensioning apparatus includes：It is equipped on the tensioning wheel in the sag bent portion of the governor rope；Hang
It is hung on the pouring weight frame of the rotary shaft of the tensioning wheel；It is disposed longitudinally in the hoistway, limits the pouring weight frame moving direction
Guide rail；It is fixed on the guide rail, the electromagnet above the pouring weight frame；And preparation pouring weight, it is generally by the electromagnetism
Iron attracts and is suspended in the top of the pouring weight frame, when the stop position of the car is resonant position, leaves stopping and attracts
The electromagnet, fall on the pouring weight frame, increase the tension force of the governor rope so that the car stop position become
For off-resonance position.
Elevator of the present invention can change the tension force of governor rope by preparation pouring weight, so as to change the intrinsic frequency of governor rope
Rate.So, the floor for being originally used for resonant position can be become off-resonance position.When due to reasons such as fire, it has to by sedan-chair
When railway carriage or compartment is parked in the floor that may be resonated, by additional preparation pouring weight the floor can be made to be changed into off-resonance position, so as to anti-
Only governor rope resonates, and strikes other devices, equipment, instrument in hoistway, in addition with these devices, equipment, instrument
Mutually tangle, cause breakage.
Brief description of the drawings
Fig. 1 is the schematic diagram for being schematically indicated the embodiment of elevator one of the present invention.
Fig. 2 is the structural representation for the governor rope tensioning apparatus for being schematically indicated elevator of the present invention.
Fig. 3 is to represent that governor rope tensioning apparatus shown in Fig. 2 increases the schematic diagram of tension force by additional preparation pouring weight.
Fig. 4 is the block diagram of the one embodiment for the control device for being schematically indicated elevator of the present invention.
Fig. 5 is the flow chart of the one embodiment for being schematically indicated elevator controlling process of the present invention.
Mark ＞ in ＜ accompanying drawings
100 elevators；102 hoistways；104 computer rooms；106 cars；108 counterweights；110 traction machines；112 hoist ropes；116 safety
Pincers；140 limiter of speed bodies；142 governor ropes；142a sag bents portion；144 tensioning apparatus；146 anti-sway frames；148 connecting portions
Part；202 tensioning wheels；202a rotary shafts；204 pouring weight framves；206 pouring weights；208 lead boots；210 guide rails；212 preparation pouring weights；214 electromagnetism
Iron；216 supports；218 magnet；222 guide rods；224 springs；400 elevator control gears；The stop judging part of 402 mesh；403 operations
Control unit；404 resonance information storage parts；406 resonance judging parts；408 magnet control portions；412 car call buttons；414 layers
Stand call button；416 acceleration transducers.
Embodiment
Below in conjunction with the accompanying drawings and embodiment, the embodiment of the present invention is described in detail.
Fig. 1 is the schematic diagram for being schematically indicated the embodiment of elevator one of the present invention.As shown in figure 1, elevator 100 includes hoistway
102nd, computer room 104, car 106, counterweight 108, traction machine 110 and limiter of speed.The top of hoistway 102 is provided with computer room 104.Computer room
Traction machine 110 and limiter of speed body 140 are provided with 104.Car 106 is connected with counterweight 108 by hoist ropes 112, traction
Rope 112 is wound on the traction sheave of traction machine 110.Car 106 and counterweight 108 are lifted in hoistway under the driving of traction machine 110
102。
Limiter of speed includes limiter of speed body 140, governor rope 142 and tensioning apparatus 144.Set on limiter of speed body 140
Speed limiter rope sheave.The upper end of the governor rope 142 of loop connecting is wound on governor sheave, and being provided with tensioning in its bottom fills
Put 144.Governor rope 142 is connected by connection member 148 with the push and pull system (being omitted in figure) of car 106, common
Together moved with car 106 in running.When the decrease speed of car 106 exceedes normal speed, limiter of speed body 140
By stop governor rope 142, so as to drive the safety tongs 116 for being arranged on the lower section of car 106 to act by push and pull system, make by force
Stop car 106.
For convenience of description, the governor rope 142 of loop connecting is divided into two parts herein.Part 1 is ring-type speed limit
The part being connected in device rope 142 by connection member 148 with car 106, it is the right side of governor rope 142 in Fig. 1.The
2 parts are the parts not being connected with car 106, are the left side of governor rope 142 in Fig. 1.In order to describe conveniently, below
" right side " and " left side " are briefly referred to as, but " left side " mentioned here " right side " is not the limit to the technology of the present invention feature
It is fixed.
As shown in figure 1, generally, a plurality of anti-sway frames 146, these anti-sway frames 146 are provided with the left side of governor rope 142
Well enclosure or car guide rail etc. are fixed on by support.These anti-sway frames 146 enclose governor rope 142 narrow and small anti-sway
In frame 146, it can not be produced larger swing, so as to prevent governor rope from striking other devices, equipment, instrument in hoistway
Device, or even mutually tangled with these devices, equipment, instrument.
But the right side of governor rope 142 is because have the connection member 148 that adjoint car 106 moves up and down, nothing
Method sets anti-sway frame 146.Therefore, larger swing may occur for the right side of governor rope 142.Right the half of governor rope 142
Portion's connected component 148 is divided into two sections.The floor stopped with car 106 is different, two above and below the right side of governor rope 142
The length of section will also change, so when car 106 rests on different floors, the right side of governor rope 142 it is intrinsic
Frequency is also different.In addition, unless car 106 stops at intermediate altitude, the otherwise length of the right side two sections of governor rope 142
Degree is different.So in most cases, the intrinsic frequency of the right side two sections of governor rope 142 is different.
The intrinsic frequency f (Hz) of rope form object oscillation crosswise can be typically represented (referring to Japanese with following formula (1)
Books《Machine tools system sound Ring engineerings》Page 44, author：Yi Palace bright one, publisher：U ロ Na society of Co., Ltd.).
Wherein, L represents the length of rope form object, and T represents the tension force of rope form object, and ρ represents the line density of rope form object.By
This is visible, and in the case that the line density of rope form object is constant, the intrinsic frequency f and its length L of rope form object are inversely proportional, with it
Tension force T square root is directly proportional.For governor rope 142, T is the tension force of governor rope 142, and L is governor rope 142
The length of right side epimere (or hypomere).If the tension force T of governor rope is certain, governor rope right side epimere is (under or
Section) intrinsic frequency f it is only relevant with length L.So when car rests on different floors, the epimere of governor rope right side (or
Person's hypomere) intrinsic frequency it is all different.The intrinsic frequency of epimere (or hypomere) of governor rope right side and consolidating for building
There is frequency identical or close car position is exactly position that governor rope may resonate, i.e., " resonant position ".Know
The intrinsic frequency of building and the tension force of governor rope, can be to calculate resonant position by formula (1).Governor rope 142
The resonant position of right side epimere and hypomere possibility is identical may also be different.
Fig. 2 is the structural representation for the governor rope tensioning apparatus for being schematically indicated elevator of the present invention.Tensioning apparatus 144 wraps
Include tensioning wheel 202, pouring weight frame 204, guide rail 210, electromagnet 214 and preparation pouring weight 212.Tensioning wheel 202 is equipped on limiter of speed
The sag bent portion 142a of rope 142.Pouring weight frame 204 is hung on the rotary shaft 202a of tensioning wheel 202.It is equipped with pouring weight frame 204
Pouring weight 206.The weight of pouring weight frame 204 and pouring weight 206 is all added on tensioning wheel 202 by rotary shaft 202a, with tensioning wheel 202
Weight together forms the tensile force to governor rope 142, governor rope 142 is had certain tension force T1。
Guide rail 210 is provided with the both sides of pouring weight frame 204.Guide rail 210 is disposed longitudinally in hoistway 102, limits pouring weight frame 204
Moving direction.Pouring weight frame 204 can be moved up and down by leading boots 208 along guide rail 210.Guide rail 210 is by limiting pouring weight frame 204
Moving range also limit the moving range of tensioning wheel 202, tensioning wheel 202 is also moved up and down, this can be significantly
Suppress the horizontal swing of governor rope 142.
Electromagnet 214 is fixed on guide rail 210 by support 216, and it is located at the top of pouring weight frame 204.On preparation pouring weight 212
Provided with magnet 218.As shown in Fig. 2 elevator 100, in usual operation, the electromagnet 214 of energization is by attracting magnet 218 pre-
Standby pouring weight 212 attracts, to make to prepare the top that pouring weight 212 is suspended in pouring weight frame 204 thereunder.
Fig. 3 is to represent that governor rope tensioning apparatus shown in Fig. 2 increases the schematic diagram of tension force by additional preparation pouring weight.Having
In the case of high wind or earthquake, when the stop position of car 106 is resonant position, as shown in figure 3, elevator 100 cuts off electromagnetism
The power supply of iron 214, make to prepare the electromagnet 214 that pouring weight 212 leaves stopping attraction, fall on pouring weight frame 204, increase governor rope
142 tension force, make the tension force of governor rope 142 from T1Increase to T2, so as to change the intrinsic frequency of governor rope 142, make car
106 stop position is changed into the position that governor rope 142 will not resonate, i.e. " off-resonance position ".
Elevator 100 of the present invention can change the tension force of governor rope 142 by preparation pouring weight 212, so as to change limiter of speed
The intrinsic frequency of rope 142.So, the floor for being originally used for resonant position can be become off-resonance position.When due to originals such as fire
Cause, it has to when car 106 is parked in into the floor that may be resonated, can become the floor by additional preparation pouring weight 212
For off-resonance position, so as to prevent governor rope 142 from resonating, other devices, equipment, instrument in hoistway 102 are struck,
Even mutually tangled with these devices, equipment, instrument, cause breakage.
After high wind or earthquake past, elevator 100 can be powered to electromagnet 214, make electromagnet 214 again will preparation weight
Block 212 picks up, and is suspended in the top of pouring weight frame 204, tensioning apparatus 144 is returned to original state.
As shown in Figures 2 and 3, two guide rods 222 are provided with the top of pouring weight frame 204.Guide rod 222 is passed through in preparation pouring weight
212 holes opened up, it is oriented to when being moved up and down for preparation pouring weight 212, is come off so as to prevent from preparing pouring weight 212.Such as Fig. 2 and Fig. 3 institutes
Show, spring 224 can be provided between pouring weight frame 204 and preparation pouring weight 212.When preparation pouring weight 212 leaves the electricity for stopping attracting
When magnet 214 falls on pouring weight frame 204, spring 224 can play a part of buffering.Magnet 218 can also be used can be by electromagnet
The other materials of attraction replaces, such as can be replaced with ferrimagnets such as ferroalloy, nickel alloy or cobalt alloys.When preparation pouring weight
212 be by can by electromagnet attract material form when, magnet 218 can also be saved, by electromagnet 214 directly attract prepare
Pouring weight 212.
Fig. 4 is the block diagram of the one embodiment for the control device for being schematically indicated elevator of the present invention.Elevator control gear 400
Including purpose stop judging part 402, operation control unit 403, resonance information storage part 404, resonance judging part 406 and electromagnet
Control unit 408.
Purpose stop judging part 402 receives the signal from car call button 412 and floor call button 414, sentences
The disconnected purpose stop to be gone to of car 106.For example, when car 106 rests on 1 layer, someone passes through floor call at 10 layers
Button 414 registers calling instruction, or has passenger to be registered as mesh by 10 layers by car call button 412 into car 106
Stop, purpose stop judging part 402 receives such command signal, is just judged as purpose stop by 10 layers, and will determine that
As a result operation control unit 403 is transmitted to, sending operating instruction control car 106 by operation control unit 403 is moved to 10 layers.Work as registration
Floor for it is multiple when, purpose stop judging part 402 will be that these floors arrange priority, and operation control unit 403 is by basis
This priority control car 106 goes to these stops successively.
The information about resonating is stored with resonance information storage part 404.For example, it is stored with when governor rope 142
Power is T1When the position that may resonate of governor rope, the i.e. information of " resonant position " etc..
Resonance judging part 406 receives the signal for the acceleration transducer 416 for being arranged on building, is waved and shaken according to building
Dynamic acceleration judges which kind of state building is in.When high wind or earthquake occurs, resonance judging part 406 is according to acceleration sensing
When the signal of device 416 judges that building is in the swinging condition that may cause resonance, resonance judging part 406 will be sentenced from purpose stop
The purpose stop information that disconnected portion 402 obtains judges target zone compared with the resonant position information in resonance information storage part 404
Whether stand is resonant position.
, will be to electromagnetism when it is resonant position that the judging part 406 that resonates, which judges purpose stop (i.e. the stop position of car 106),
Iron control unit 408 sends signal.Magnet control instruction will be sent by being connected to the magnet control portion 408 of the signal, cut off electromagnetism
The power supply of iron 214, make to prepare the electromagnet 214 that pouring weight 212 leaves stopping attraction, fall on pouring weight frame 204, increase governor rope
142 tension force, make the tension force of governor rope 142 from T1Increase to T2, so as to change the intrinsic frequency of governor rope 142, make car
106 stop position is changed into the position that governor rope 142 will not resonate, i.e. " off-resonance position ", so as to avoid resonance
Occur.
Fig. 5 is the flow chart of the one embodiment for being schematically indicated elevator controlling process of the present invention.In step S502, purpose
Stop judging part 402 receives stop calling signal from floor call button 414 or receives target zone from car call button 412
Stand registering signal.In step S504, purpose stop judging part 402 determines the mesh to be gone to of car 106 according to the signal of reception
Stop.In step S506, operation control unit 403 sends operating instruction control car 106 and reaches purpose stop.
In step S507, whether resonance judging part 406 judges building because strong according to the signal of acceleration transducer 416
Wind or earthquake are in the swinging condition that may cause resonance.If it is determined that building is not on to cause that resonates to wave shape
State, the flow is by finishing control.If it is determined that building is in the swinging condition that may cause resonance, flow enters step
S508.In step S508, resonance judging part 406 believes the purpose stop information obtained from purpose stop judging part 402 and resonance
Resonant position information in breath storage part 404 compares, and judges whether purpose stop is resonant position.If purpose stop is not
Resonant position, flow is by finishing control.If purpose stop is resonant position, flow enters step S510.In step S510, electricity
Magnet control unit 408 will send magnet control instruction, the power supply of tripping magnet 214, make to prepare pouring weight and be appended to pouring weight frame
204, increase the tension force of governor rope 142, purpose stop is changed into off-resonance position, so as to avoid the generation of resonance.From step
S507 to S510 control can also be moved between step S504 and S506.
The present invention is not limited to the above embodiments, and it also includes various variations.For example, in above-mentioned implementation
In order to make it easy to understand, the present invention is described in detail, but it is not to limit the invention to that there are all above-mentioned groups in example
Into in the embodiment of part.Furthermore it is possible to the technology some technical characteristics of certain embodiment being replaced into other embodiment is special
Sign, the part composition of certain embodiment can also be appended in other embodiments.In addition, the office of the composition to each embodiment
Portion, it can be added, be replaced with other technical characteristics, or be deleted.
Claims (2)
1. a kind of elevator, it has：Lift the car in hoistway；And the limiter of speed including governor rope and tensioning apparatus,
It is characterized in that：
The tensioning apparatus includes：
It is equipped on the tensioning wheel in the sag bent portion of the governor rope；
It is hung on the pouring weight frame of the rotary shaft of the tensioning wheel；
It is disposed longitudinally in the hoistway, limits the guide rail of the pouring weight frame moving direction；
It is fixed on the guide rail, the electromagnet above the pouring weight frame；And
Preparation pouring weight, it is generally attracted by the electromagnet and is suspended in the top of the pouring weight frame, when the stopping of the car
When position is resonant position, the electromagnet for stopping attracting is left, falls on the pouring weight frame, increase of the governor rope
Power, so that the stop position of the car is changed into off-resonance position.
2. elevator according to claim 1,
It is characterized in that：
Spring is provided between the pouring weight frame and the prepared pouring weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610642675.5A CN107697763B (en) | 2016-08-08 | 2016-08-08 | Elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610642675.5A CN107697763B (en) | 2016-08-08 | 2016-08-08 | Elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107697763A true CN107697763A (en) | 2018-02-16 |
| CN107697763B CN107697763B (en) | 2019-07-19 |
Family
ID=61169297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610642675.5A Active CN107697763B (en) | 2016-08-08 | 2016-08-08 | Elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107697763B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171760A (en) * | 2018-02-20 | 2019-08-27 | 株式会社日立制作所 | Governor strainer, governor arrangement and elevator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1160105A (en) * | 1997-08-11 | 1999-03-02 | Hitachi Building Syst Co Ltd | Vibration damping device of governor rope |
| JP2007119185A (en) * | 2005-10-28 | 2007-05-17 | Toshiba Elevator Co Ltd | Governor rope damping device of elevator |
| JP2008230779A (en) * | 2007-03-20 | 2008-10-02 | Toshiba Elevator Co Ltd | Elevator |
| CN101927930A (en) * | 2010-07-30 | 2010-12-29 | 邬建勋 | Guiding device of counterweight housing of elevator |
| JP2013049521A (en) * | 2011-08-31 | 2013-03-14 | Toshiba Elevator Co Ltd | Elevator and method for controlling tension of compensating rope of elevator |
-
2016
- 2016-08-08 CN CN201610642675.5A patent/CN107697763B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1160105A (en) * | 1997-08-11 | 1999-03-02 | Hitachi Building Syst Co Ltd | Vibration damping device of governor rope |
| JP2007119185A (en) * | 2005-10-28 | 2007-05-17 | Toshiba Elevator Co Ltd | Governor rope damping device of elevator |
| JP2008230779A (en) * | 2007-03-20 | 2008-10-02 | Toshiba Elevator Co Ltd | Elevator |
| CN101927930A (en) * | 2010-07-30 | 2010-12-29 | 邬建勋 | Guiding device of counterweight housing of elevator |
| JP2013049521A (en) * | 2011-08-31 | 2013-03-14 | Toshiba Elevator Co Ltd | Elevator and method for controlling tension of compensating rope of elevator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171760A (en) * | 2018-02-20 | 2019-08-27 | 株式会社日立制作所 | Governor strainer, governor arrangement and elevator |
| CN110171760B (en) * | 2018-02-20 | 2020-08-11 | 株式会社日立制作所 | Speed regulator straining device, speed regulator device and elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107697763B (en) | 2019-07-19 |
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