CN103896124A - Multi-segment speed limiting device - Google Patents
Multi-segment speed limiting device Download PDFInfo
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- CN103896124A CN103896124A CN201210575812.XA CN201210575812A CN103896124A CN 103896124 A CN103896124 A CN 103896124A CN 201210575812 A CN201210575812 A CN 201210575812A CN 103896124 A CN103896124 A CN 103896124A
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- tooth
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- fluted disc
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention relates to a multi-segment speed limiting device which comprises a rope speed limiting device and a pair of safe pliers. The rope speed limiting device comprises a rope reel, a rope tension pulley and a rope. The multi-segment speed limiting device further comprises a multi-segment speed limiting device body and a speed limiting collector, the multi-segment speed limiting device body is arranged on the top of an elevator shaft and comprises a centrifugal plate, a tooth plate, a snub tooth plate, a rope reel support, a base and a pinch bar mechanism, the base is provided with the rope reel support, the rope plate is hinged to the rope reel support, the centrifugal plate is fixed to the end face of the rope plate, the tooth plate is arranged on the radial outer side of the centrifugal plate in a sleeved mode, the lower portion of the tooth plate is fixed to the base, the snub tooth plate is arranged between the tooth plate and the centrifugal plate, the pinch bar mechanism is disposed on the base, one end of the pinch bar mechanism is connected with the snub tooth plate, and the other end of the pinch bar mechanism is connected with the speed limiting collector. By means of the technical scheme, the problem that safety of a speed limiting device of an elevator operating at a high speed is not enough is effectively solved, shaft space can be effectively reduced, and construction cost and elevator manufacturing cost are reduced.
Description
Technical field
The present invention relates to a kind of craspedodrome elevator governor, particularly relate to a kind of multistage limiting speed of driving speed apparatus.
Background technology
Craspedodrome elevator governor is in the prior art a kind of safety component that prevents elevator overspeed operation, generally can only control a upper limit speed the highest, in craspedodrome elevator high-speed cruising, for braking after triggering to velocity limiter leaves enough stopping distances, be all to reserve enough stopping distances at hoistway two ends, headroom height and pit are stayed to a space that suitable stopping distance is required; Because the flip flop equipment of velocity limiter can only limit maximum speed, therefore in whole stroke, need only lower than this upper limit speed and just can not make velocity limiter trigger.That is to say, when near the two ends of craspedodrome elevator at hoistway, speed is no more than maximum speed, can not make velocity limiter trigger braking elevator in time, and only can rely on the extreme limit of travel switch triggering at two ends to send the signal of braking; In order to prevent that express elevator is out of control to occurring making velocity limiter trigger speed near hoistway two ends, have to make the two ends of hoistway, by maximum speed, the distance for brake snub is set, thereby that has strengthened hoistway two ends makes distance and space, strengthen construction cost and the manufacturing cost of craspedodrome elevator.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of multistage limiting speed of driving speed apparatus, by the technical program, can actv. makes up the problem of the velocity limiter braking safety deficiency of high-speed cruising elevator, and can lower hoistway space by actv., reduce expenditure on construction and elevator cost of manufacture.
In order to achieve the above object, technical scheme of the present invention is achieved in that a kind of multistage limiting speed of driving speed device, include cable velocity limiter and safety tongs, described cable velocity limiter is by cheese, swollen rope sheave and cable form, described cheese is arranged on the top of elevator hoistways, swollen rope sheave is arranged on the bottom of elevator hoistways, described cable is arranged on cheese and swollen rope sheave, described cable is connected with the safety tongs being arranged on lift car, described cable is synchronizeed and is moved up and down with lift car, also include multistage limiting speed of driving speed device, speed limit collector, described multistage limiting speed of driving speed device is arranged on the top of elevator hoistways, described multistage limiting speed of driving speed device is by centrifugal-disc, fluted disc, put the fluted disc of stopping, cheese support, base and ripping bar mechanism form, on described base, be provided with cheese support, described cheese is hinged on cheese support, described centrifugal-disc is fixed on the end face of cheese, described fluted disc is sleeved on the radial outside of centrifugal-disc, the bottom of fluted disc is fixed on base, the described some fluted disc of stopping is arranged between fluted disc and centrifugal-disc, described ripping bar mechanism is arranged on base, one end of ripping bar mechanism and the some fluted disc of stopping is connected, the other end of ripping bar mechanism is connected with speed limit collector.
On described fluted disc, be provided with internal tooth, described point is stopped on fluted disc and is provided with external tooth and inner cone tooth, the external tooth that point is stopped on fluted disc is meshed with internal tooth on fluted disc, on described centrifugal-disc, be provided with centrifugal Chi Zhui mechanism, centrifugal Chi Zhui mechanism is bored pedestal, bracket, tooth cone and is pinched a pipe by tooth and forms, the intracardiac tooth cone pedestal that is provided with in described centrifugal-disc, in tooth cone pedestal, be provided with in the radial direction bracket, described tooth cone front end is that sharp tooth is arranged in bracket, be provided with and pinch pipe in the radially corresponding centrifugal-disc of described bracket edge
Described bracket is made up of elastic sheet metal, is provided with the locking platform of bending in the both sides of bracket loins, is provided with tooth cone spring between described bracket bottom and tooth cone, between bracket both sides and tooth cone pedestal, is provided with bracket spring.
Described ripping bar mechanism is made up of ripping bar axle and retracing spring, and the middle part of described ripping bar axle is hinged on base, and the working end of ripping bar axle is fixed on a little stops on fluted disc, and is provided with retracing spring on the working end of ripping bar axle.
Described speed limit collector is by hitting bow, on hit wheel bar, under hit wheel bar and be connected cable formation, the described bow that hits is vertically arranged on lift car side, the two ends up and down of hitting bow are provided with leads slope, on described, hit wheel bar and under hit on one end of wheel bar and be respectively arranged with and hit wheel, on described, hit wheel bar and under hit wheel bar midway location be hinged on respectively on the cage guide side of elevator hoistways top and elevator hoistways bottom, the upper end that connects cable is connected with the ripping bar axle drive end in ripping bar mechanism, the other end that hits wheel bar on described is fixed on the connection cable of institute's correspondence position, the lower end of described connection cable through wheel flutter with under hit wheel bar the other end be fixedly connected with.
Adopt the beneficial effect after technique scheme to be: a kind of multistage limiting speed of driving speed apparatus, pass through the technical program, can make up the problem of the velocity limiter braking safety deficiency of high-speed cruising elevator by actv., and can lower hoistway space by actv., reduce expenditure on construction and elevator cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the position speed limit status architecture schematic diagram of multistage limiting speed of driving speed device in the present invention.
Fig. 2 is the Maximum speed limit status architecture schematic diagram of multistage limiting speed of driving speed device in the present invention.
Fluted disc lateral plan when Fig. 3 is Fig. 1 state.
Fluted disc lateral plan when Fig. 4 is Fig. 2 state.
Fig. 5 is the installation site figure of cable velocity limiter and safety tongs in the present invention.
Fig. 6 is the structural representation of speed limit collector in the present invention.
In figure, 1 cable velocity limiter, 2 safety tongss, 3 cheeses, 4 swollen rope sheaves, 5 cables, 6 lift cars, 7 multistage limiting speed of driving speed devices, 8 speed limit collectors, 9 elevator hoistways, 10 centrifugal-disces, 11 fluted discs, 12 fluted discs of stopping, 13 cheese supports, 14 bases, 15 internal tooths, 16 external tooths, 17 inner cone teeth, 18 tooth cone pedestals, 19 brackets, 20 tooth cones, 21 pinches of pipes, 22 locking platforms, 23 tooth cone springs, 24 bracket springs, 25 ripping bar axles, 26 retracing springs, 27 hit bow, on 28, hit wheel bar, hit wheel bar 29 times, 30 connect cable, 31 lead slope, 32 hit wheel, 33 cage guides, 34 wheel flutters.
The specific embodiment
Below in conjunction with accompanying drawing, specific embodiment in the present invention is described in further detail.
As shown in Fig. 1-Fig. 6, the multistage limiting speed of driving speed device the present invention relates to, include cable velocity limiter 1 and safety tongs 2, described cable velocity limiter 1 is by cheese 3, swollen rope sheave 4 and cable 5 form, described cheese 3 is arranged on the top of elevator hoistways 9, swollen rope sheave 4 is arranged on the bottom of elevator hoistways 9, described cable 5 is arranged on cheese 3 and swollen rope sheave 4, described cable 5 is connected with the safety tongs 2 being arranged on lift car 6, described cable 5 is synchronizeed and is moved up and down with lift car 6, also include multistage limiting speed of driving speed device 7, speed limit collector 8, described multistage limiting speed of driving speed device 7 is arranged on the top of elevator hoistways 9, described multistage limiting speed of driving speed device 7 is by centrifugal-disc 10, fluted disc 11, put the fluted disc 12 of stopping, cheese support 13, base 14 and ripping bar mechanism form, on described base 14, be provided with cheese support 13, described cheese 3 is hinged on cheese support 13, described centrifugal-disc 10 is fixed on the end face of cheese 3, described fluted disc 11 is sleeved on the radial outside of centrifugal-disc 10, the bottom of fluted disc 11 is fixed on base 14, the described some fluted disc 12 of stopping is arranged between fluted disc 11 and centrifugal-disc 10, described ripping bar mechanism is arranged on base 14, one end of ripping bar mechanism and the some fluted disc 12 of stopping is connected, the other end of ripping bar mechanism is connected with speed limit collector 8.
On described fluted disc 11, be provided with internal tooth 15, described point is stopped on fluted disc 12 and is provided with external tooth 16 and inner cone tooth 17, the external tooth 16 that point is stopped on fluted disc 12 is meshed with internal tooth 15 on fluted disc 11, on described centrifugal-disc 10, be provided with centrifugal Chi Zhui mechanism, centrifugal Chi Zhui mechanism is by tooth cone pedestal 18, bracket 19, tooth cone 20 and pinch pipe 21 form, the intracardiac tooth cone pedestal 18 that is provided with in described centrifugal-disc 10, in tooth cone pedestal 18, be provided with in the radial direction bracket 19, it is that sharp tooth is arranged in bracket 19 that described tooth is bored 20 front ends, be provided with and pinch pipe 21 in the radially corresponding centrifugal-disc of described bracket 19 10 edges.
Described bracket 19 is made up of elastic sheet metal, is provided with the locking platform 22 of bending in the both sides of bracket 19 loins, is provided with tooth cone spring 23 between described bracket 19 bottoms and tooth cone 20, between bracket 19 both sides and tooth cone pedestal 18, is provided with bracket spring 24.
Described ripping bar mechanism is made up of ripping bar axle 25 and retracing spring 26, and the middle part of described ripping bar axle 25 is hinged on base 14, and the working end of ripping bar axle 25 is fixed on a little stops on fluted disc 12, and is provided with retracing spring 26 on the working end of ripping bar axle 25.
Described speed limit collector 8 is by hitting bow 27, on hit wheel bar 28, under hit wheel bar 29 and be connected cable 30 and form, the described bow 27 that hits is vertically arranged on lift car 6 sides, the two ends up and down of hitting bow 27 are provided with leads slope 31, on described, hit wheel bar 28 and under hit on one end of wheel bar 29 and be respectively arranged with and hit wheel 32, on described, hit wheel bar 28 and under hit wheel bar 29 midway location be hinged on respectively on cage guide 33 sides of elevator hoistways 9 tops and elevator hoistways 9 bottoms, the upper end that connects cable 30 is connected with ripping bar axle 25 drive ends in ripping bar mechanism, the other end that hits wheel bar 28 on described is fixed on the connection cable 30 of institute's correspondence position, the lower end of described connection cable 30 through wheel flutter 34 with under hit wheel bar 29 the other end be fixedly connected with.
Elevator of the present invention is in the time of normal work, point in multistage limiting speed of driving speed device 7 fluted disc 12 of stopping is positioned at fluted disc 11 outsides, when craspedodrome elevator runs to the top layer of distance and two floors of the bottom up or down with the speed lower than 4 meter per seconds near time, need to drop to 2 meter per seconds according to the rate request of elevator, otherwise just there will be the stop of the sliding more bottom of lift car 6 or top layer, even deviate from guide rail to cause danger, for this reason the adjacent locations of top layer and the bottom arrange hit wheel bar 28 and under hit wheel bar 29, arrange and hit bow 27 in the side of lift car 6, hit bow 27 by lead slope 31 overwhelm when the upstream or downstream hit wheel bar 28 or under hit wheel bar 29, and pull down the cable 30 that is dynamically connected, now pull the drive end of ripping bar axle 25, and drive the working end of ripping bar axle 25, the point fluted disc 12 of stopping is delivered in fluted disc 11, the stop external tooth 16 of fluted disc 12 and the internal tooth 15 of fluted disc 11 of point is meshed, centrifugal-disc 10 rotates, tooth cone 20 cone of the speed tooth along with rotating speed 20 positions radially that are positioned on centrifugal-disc 10 change, faster give prominence to centrifugal-disc 10 radial outsides more of speed, now be divided into two kinds of situations, 1 speed is low, it is little that tooth cone 20 protrudes distance, tooth cone 20 does not act on mutually with the inner cone tooth 17 that point is stopped in fluted disc 12, now that safe not needing slowed down, 2 speed are high, it is large that tooth cone 20 protrudes distance, tooth cone 20 interacts with the inner cone tooth 17 that point is stopped in fluted disc 12, fluted disc 11 maintains static, cause centrifugal-disc 10 and cheese 3 not to rotate, cable 5 is motionless simultaneously, and lift car 6 moves the safety tongs 2 pulling on lift car 6, and braking lift car 6 reduces running velocity, when on hit wheel bar 28 or under hit wheel bar 29 and depart from and hit after bow 27, point is stopped under retracing spring 26 effects of fluted disc 12 on the working end of ripping bar axle 25, exits fluted disc 11.
In the present invention when the running velocity of craspedodrome elevator exceed regulation require time, the tooth cone 20 being positioned on centrifugal-disc 10 projects outwardly into ultimate range, tooth cone 20 interacts with the internal tooth 15 on fluted disc 11, fluted disc 11 maintains static, cause centrifugal-disc 10 and cheese 3 not to rotate, cable 5 is motionless simultaneously, lift car 6 moves the safety tongs 2 pulling on lift car 6, braking lift car 6 reduces running velocity, now, bracket 19 on centrifugal-disc 10 is under the squeezing action of bracket spring 24, making tooth bore 20 bottoms is locked on the locking platform 22 of bracket 19, remain on always under the state in braking, until craspedodrome elevator is out of service, this kind of state personnel of needing repairing show up, find out the reason of hyper-speed operation, remove after fault, tooth cone 20 is got back into tooth cone pedestal 18 bottoms could normally be moved again.
The above, be only better possible embodiments of the present invention, not in order to limit scope of the present invention.
Claims (5)
1. a multistage limiting speed of driving speed device, include cable velocity limiter and safety tongs, described cable velocity limiter is by cheese, swollen rope sheave and cable form, described cheese is arranged on the top of elevator hoistways, swollen rope sheave is arranged on the bottom of elevator hoistways, described cable is arranged on cheese and swollen rope sheave, described cable is connected with the safety tongs being arranged on lift car, described cable is synchronizeed and is moved up and down with lift car, it is characterized in that, include multistage limiting speed of driving speed device, speed limit collector, described multistage limiting speed of driving speed device is arranged on the top of elevator hoistways, described multistage limiting speed of driving speed device is by centrifugal-disc, fluted disc, put the fluted disc of stopping, cheese support, base and ripping bar mechanism form, on described base, be provided with cheese support, described cheese is hinged on cheese support, described centrifugal-disc is fixed on the end face of cheese, described fluted disc is sleeved on the radial outside of centrifugal-disc, the bottom of fluted disc is fixed on base, the described some fluted disc of stopping is arranged between fluted disc and centrifugal-disc, described ripping bar mechanism is arranged on base, one end of ripping bar mechanism and the some fluted disc of stopping is connected, the other end of ripping bar mechanism is connected with speed limit collector.
2. multistage limiting speed of driving speed device according to claim 1, it is characterized in that, on described fluted disc, be provided with internal tooth, described point is stopped on fluted disc and is provided with external tooth and inner cone tooth, the external tooth that point is stopped on fluted disc is meshed with internal tooth on fluted disc, on described centrifugal-disc, be provided with centrifugal Chi Zhui mechanism, centrifugal Chi Zhui mechanism bores pedestal by tooth, bracket, tooth cone and a pinch pipe form, the intracardiac tooth cone pedestal that is provided with in described centrifugal-disc, in tooth cone pedestal, be provided with in the radial direction bracket, described tooth cone front end is that sharp tooth is arranged in bracket, be provided with and pinch pipe in the radially corresponding centrifugal-disc of described bracket edge.
3. multistage limiting speed of driving speed device according to claim 2, it is characterized in that, described bracket is made up of elastic sheet metal, be provided with the locking platform of bending in the both sides of bracket loins, between described bracket bottom and tooth cone, be provided with tooth cone spring, between bracket both sides and tooth cone pedestal, be provided with bracket spring.
4. multistage limiting speed of driving speed device according to claim 1, it is characterized in that, described ripping bar mechanism is made up of ripping bar axle and retracing spring, and the middle part of described ripping bar axle is hinged on base, the working end of ripping bar axle is fixed on a little stops on fluted disc, and is provided with retracing spring on the working end of ripping bar axle.
5. according to the multistage limiting speed of driving speed device described in claim 1 or 4, it is characterized in that, described speed limit collector is by hitting bow, on hit wheel bar, under hit wheel bar and be connected cable formation, the described bow that hits is vertically arranged on lift car side, the two ends up and down of hitting bow are provided with leads slope, on described, hit wheel bar and under hit on one end of wheel bar and be respectively arranged with and hit wheel, on described, hit wheel bar and under hit wheel bar midway location be hinged on respectively on the cage guide side of elevator hoistways top and elevator hoistways bottom, the upper end that connects cable is connected with the ripping bar axle drive end in ripping bar mechanism, the other end that hits wheel bar on described is fixed on the connection cable of institute's correspondence position, the lower end of described connection cable through wheel flutter with under hit wheel bar the other end be fixedly connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575812.XA CN103896124B (en) | 2012-12-27 | 2012-12-27 | Multistage limiting speed of driving speed device device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575812.XA CN103896124B (en) | 2012-12-27 | 2012-12-27 | Multistage limiting speed of driving speed device device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103896124A true CN103896124A (en) | 2014-07-02 |
| CN103896124B CN103896124B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210575812.XA Expired - Fee Related CN103896124B (en) | 2012-12-27 | 2012-12-27 | Multistage limiting speed of driving speed device device |
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| Country | Link |
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| CN (1) | CN103896124B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110733952A (en) * | 2019-10-16 | 2020-01-31 | 镇江朝阳机电科技有限公司 | high-reliability elevator speed limiter |
| CN111689335A (en) * | 2020-07-28 | 2020-09-22 | 重庆迈高电梯有限公司 | Linkage device of multiple groups of safety tongs and braking method thereof |
| CN112478977A (en) * | 2020-11-26 | 2021-03-12 | 广州广日电梯工业有限公司 | Diversion sheave and elevator of two-way speed limit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060124399A1 (en) * | 2003-11-21 | 2006-06-15 | Mitsubishi Denki Kabushiki Kaisha | Elevator system |
| JP2008514527A (en) * | 2004-09-29 | 2008-05-08 | オーチス エレベータ カンパニー | Elevator car safety stop device |
| JP2008239329A (en) * | 2007-03-28 | 2008-10-09 | Mitsubishi Electric Building Techno Service Co Ltd | Brake control system for elevator |
| CN101437742A (en) * | 2006-05-09 | 2009-05-20 | 东芝电梯株式会社 | Terminal landing speed control system of elevator |
| CN101657374A (en) * | 2007-04-13 | 2010-02-24 | 奥蒂斯电梯公司 | Governor sheave with an overlapping flyweight system |
| CN203033586U (en) * | 2012-12-27 | 2013-07-03 | 北京升华电梯有限公司 | Multistage speed governing device |
-
2012
- 2012-12-27 CN CN201210575812.XA patent/CN103896124B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060124399A1 (en) * | 2003-11-21 | 2006-06-15 | Mitsubishi Denki Kabushiki Kaisha | Elevator system |
| JP2008514527A (en) * | 2004-09-29 | 2008-05-08 | オーチス エレベータ カンパニー | Elevator car safety stop device |
| CN101437742A (en) * | 2006-05-09 | 2009-05-20 | 东芝电梯株式会社 | Terminal landing speed control system of elevator |
| JP2008239329A (en) * | 2007-03-28 | 2008-10-09 | Mitsubishi Electric Building Techno Service Co Ltd | Brake control system for elevator |
| CN101657374A (en) * | 2007-04-13 | 2010-02-24 | 奥蒂斯电梯公司 | Governor sheave with an overlapping flyweight system |
| CN203033586U (en) * | 2012-12-27 | 2013-07-03 | 北京升华电梯有限公司 | Multistage speed governing device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110733952A (en) * | 2019-10-16 | 2020-01-31 | 镇江朝阳机电科技有限公司 | high-reliability elevator speed limiter |
| CN111689335A (en) * | 2020-07-28 | 2020-09-22 | 重庆迈高电梯有限公司 | Linkage device of multiple groups of safety tongs and braking method thereof |
| CN111689335B (en) * | 2020-07-28 | 2024-05-28 | 重庆迈高电梯有限公司 | Multi-group safety tongs linkage device and braking method thereof |
| CN112478977A (en) * | 2020-11-26 | 2021-03-12 | 广州广日电梯工业有限公司 | Diversion sheave and elevator of two-way speed limit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103896124B (en) | 2016-07-06 |
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Inventor after: Luo Haimin Inventor after: Tong Guowei Inventor after: Shi Hongtao Inventor before: Luo Haimin Inventor before: Shi Hongtao |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20201227 |