CN107215741A - A kind of linear motor direct-driven elevator overspeed protecting and service brake - Google Patents
A kind of linear motor direct-driven elevator overspeed protecting and service brake Download PDFInfo
- Publication number
- CN107215741A CN107215741A CN201710437591.2A CN201710437591A CN107215741A CN 107215741 A CN107215741 A CN 107215741A CN 201710437591 A CN201710437591 A CN 201710437591A CN 107215741 A CN107215741 A CN 107215741A
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- Prior art keywords
- brake
- linear motor
- decelerator
- catching device
- motor direct
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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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- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000035484 reaction time Effects 0.000 abstract 1
- 230000008450 motivation Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012562 intraclass correlation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/044—Mechanical overspeed governors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
Abstract
The present invention relates to the anti-fall technical equipment field of elevator, more particularly to a kind of linear motor direct-driven elevator overspeed protecting and service brake, including the stator that is set along hoistway and the mover for carrying car, it is characterised in that：The rack for the real time measure mover translational speed is provided with the stator, measure speed gearses are provided with mover, decelerator, brake and catching device, the measure speed gearses are intermeshed with rack, the measure speed gearses are connected with catching device and decelerator respectively, the slow-speed shaft of the decelerator and measure speed gearses are coaxially connected, brake component is installed on the high speed shaft of decelerator, the brake component is connected with friction pairs of brake, the mechanism is engaged by catching device and gear or catching device is connected with gear coupling, eliminate steel wire rope and braking rail, reduce transmission process, reduce the reaction time of braking, so that more efficient, maintain easily simultaneously.
Description
Technical field
The present invention relates to elevator overspeed protecting and braking technology apparatus field, more particularly to a kind of linear motor direct-driven elevator
Overspeed protection and service brake.
Background technology
For linear motor direct-driven elevator, service braking and overspeed protective device occupy very important status, preceding
Person can effectively ensure the normal operation of elevator, and the latter ensures passenger when cage operation speed is out of hand
Life security.《It is straight to drive elevator anti-dropping safety device》（The patent No.：201520314795.3）Patent proposes a kind of safe fall-proof
Device：The device drives rope sheave tense wire rope, steel wire rope triggering safety tongs action, the wedge shape of safety tongs using overrunning cluth
Fixture block sticks into braking rail and locked, lift car is stopped tenesmus, plays anti-fall purpose.But the shortcoming of this anti-fall device
It is:（1）Tensing the triggering safety tongs response time by steel wire rope has a delay, when rope sheave is rotated and tense wire rope needs certain
Between；（2）Steel wire rope is easily damaged by frictional force, pulling force；（3）Braking rail will be paved with whole car movement travel, that is, entirely
Hoistway needs to lay braking rail, has both added the increase that total system mass also results in elevator construction cost.Patent《It is straight to drive household electric
Ladder》（The patent No.：201010528066.x）It is profit Deng the linear motor direct-driven elevator work braking scheme provided in Patents
With installed in mover（Car frame）On liquid braking device or bar boosting brake clamping be arranged on frame（Hoistway）On it is special
The braking rail of door carries out mover（Car）Service braking.The characteristics of this scheme is the special braking rail of needs, and to system
The manufacture of dynamic rail, installation accuracy have very high requirement, so just can guarantee that and are successfully operated braking.In addition, by
It is limited in the multiple without brake force amplification or brake force amplification, make the complicated of brakes, and quality is greatly to tight
Ghost image rings the power capacity of whole elevator device.Patent of the present invention can overcome drawbacks described above, structure letter on service brake system
Single, reliable operation, mounting and adjusting is convenient, and braking is steady, and friction pairs of brake collisionless, brake driving power reduces at double,
Total system mass is considerably reduced, and reduces the power of elevator drive system.
The content of the invention
Patent of the present invention to aim to overcome that current linear motor direct-driven elevator anti-fall device passes through steel wire rope flexible
Part tenses triggering, and there is delay the safety tongs braking response time, steel wire rope is easily damaged by frictional force and pulling force, braking rail is processed into
This height and mounting and adjusting is difficult, the total friction pairs of brake of cage operation process is unavoidably mutually collided with braking rail, system is total
Quality is excessive so as to cause the problems such as whole elevator device installed power is excessive to be pacified there is provided a kind of linear motor direct-driven elevator speed limit
Full mechanism, this directly drives, and catching device and measure speed gearses in elevator speed-limiting safety mechanism be coaxially connected or measure speed gearses and another identical tooth
Rotation non-coaxial connection backward, eliminates steel wire rope and braking rail, structure is greatly simplified, shortens braking time, and reliability is high,
Long lifespan, it is mounting and adjusting, easy to maintenance；Total system mass reduces, and greatly reduces the power of whole elevator device installation.
The principle of patent of the present invention is：A kind of linear motor direct-driven elevator overspeed protecting and service brake, including edge
It is provided with the stator that hoistway is set and the mover for carrying car, the stator for the real time measure mover translational speed
Measure speed gearses, decelerator, brake and catching device are provided with rack, mover, the measure speed gearses are intermeshed with rack, institute
State measure speed gearses to be connected with catching device and decelerator respectively, the slow-speed shaft and measure speed gearses of the decelerator are coaxially connected, slow down
Brake disc is installed, the brake component is connected with friction pairs of brake on the high speed shaft of device.
A kind of above-mentioned linear motor direct-driven elevator overspeed protecting and service brake, the catching device and measure speed gearses
Coaxially, catching device is connected with measure speed gearses axle by shaft coupling.
A kind of above-mentioned linear motor direct-driven elevator overspeed protecting and service brake, the catching device and measure speed gearses
It is not coaxial, gear is provided with the input shaft of the catching device, the gear is intermeshed with measure speed gearses.
A kind of above-mentioned linear motor direct-driven elevator overspeed protecting and service brake, the slow-speed shaft of the decelerator with
Measure speed gearses axle is connected by shaft coupling.
A kind of above-mentioned linear motor direct-driven elevator overspeed protecting and service brake, the catching device are conical drum shaped gear
Shape gradual anti-falling safety device.
A kind of above-mentioned linear motor direct-driven elevator overspeed protecting and service brake, the decelerator are planetary gear
Decelerator, worm type of reduction gearing or common gear reducer.
Patent of the present invention has the following advantages that：Patent of the present invention is linear motor direct-driven elevator overspeed protecting and duty
Motivation structure it is integrated, the required precision manufactured to part, installed is relatively low, is easily installed and adjusts, and braking is steady, the total matter of system
Amount reduces, and greatly reduces the power of whole elevator device installation；Mover is measured using rack pinion（Car）Transport in real time
Scanning frequency degree, using decelerator reduce needed for braking moment so that using smaller power disc type or drum brake constitute work
Make brake apparatus, the special braking rail without setting, the stationarity, reliability, simple in construction, manufacture for improving braking is installed and adjusted
Easily, cost is reduced for lift face；Composition hypervelocity safety guard is combined with rack pinion by catching device, car speeding is realized
Defencive function, catching device and gear are coaxial or are not joined directly together coaxially, eliminate synchronous shift mechanism, and the response time shortens, and moves
Make reliable, without specially in frame（Hoistway）It will not be damaged after the attachment parts such as upper setting safety tongs, overspeed protection mechanism action
Hinder parts, it is easy to maintenance.
Brief description of the drawings
Fig. 1 is overall structure diagram one of the invention；
Fig. 2 is top view one of the invention；
Fig. 3 is the structural representation of brake；
Fig. 4 is overall structure diagram two of the invention；
Fig. 5 is top view two of the invention；
Fig. 6 is top view three of the invention；
Fig. 7 is overall structure diagram four of the invention；
Fig. 8 is top view four of the invention；
In figure：1- racks, 2- measure speed gearses, 3- catching devices, 4- stators, 5- movers, 6- decelerators, 7- brake discs, 8- systems
Dynamic device, 9- slow-speed shafts, 10- high speed shafts, 11- electromagnet, 12- springs, 13- brake arms, 14- friction pairs, 15- gears, 16 brakings
Drum, 17- brake-shoes.
Embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1：A kind of linear motor direct-driven elevator overspeed protecting and service brake, as shown in Fig. 1 ~ 3, including edge
Frame（Hoistway）The stator 4 of setting and the mover 5 for carrying car；Linear electric motors are installed secondary on stator（It is primary）, mover
Upper installation linear electric motor primary（It is secondary）；The guided way that primary promotes mover to be installed along on stator after being powered does vertical line fortune
It is dynamic, drive elevator lifting.It is provided with the stator 4 on rack 1, mover 5 and is provided with measure speed gearses 2, decelerator 6, brake 8
With catching device 3, bearing block is installed on the mover 5, the axle of measure speed gearses 2 is installed on bearing block by bearing, described to test the speed
Gear 2 is intermeshed with rack 1, is then passed through the rotating shaft of brake speed-testing gear 2 and only can be stopped whole mover 5；Measure speed gearses 2 also divide
Not with catching device 3 and the direct or indirect connection of decelerator 6, the decelerator 6 is planetary reducer, worm type of reduction gearing
Or common gear reducer, the slow-speed shaft 9 of decelerator is connected with measure speed gearses axle by shaft coupling, and decelerator can be by measure speed gearses
Rotating speed amplify n times（N compares for the speed of decelerator）The high speed shaft of decelerator is delivered to by slow-speed shaft, decelerator serves torque contracting
Small effect, so as to allow only to stop mover using the brake 8 of small dimension（Car）, brake 8 is disk type electromagnetic brake, by
This driving power that can reduce brakes and mover total quality；Brake disc 7 is installed on the high speed shaft 10 of decelerator, it is described
Brake disc 7 is connected with disk type electromagnetic brake, due to being connected between brake disc 7 and measure speed gearses 2 by shaft coupling, therefore
Measure speed gearses also stop operating while brake disc 7 is braked, and realize fast braking.The brakes is not required to set special braking
Rail, and using frictional disk or friction drum as brake functional component, small volume, easily fabricated, installation are simple, it is easy to adjustment system
Dynamic gap, braking is steady, and braking reliability is greatly improved compared with intra-class correlation patent, and reduces linear motor direct-driven elevator
Totle drilling cost is built, brakes is safeguarded and is greatly simplified；The catching device 3 is cone of gears cydariform gradual anti-falling safety device, should
Catching device is coaxial with measure speed gearses, and catching device input shaft is connected with measure speed gearses axle by shaft coupling, and measure speed gearses are nibbled with rack
Close, measure speed gearses rotating speed accurately steadily reflects mover（Car）Translational speed, work as mover（Car）Translational speed, which exceedes, to be allowed
During value, catching device 3 stops by friction self-locking without delay voltage and stops measure speed gearses, with reference to being engaged with stator
Rack is by mover（Car）Only stop.
Operation principle：
When the lift car of linear motor direct-driven elevator reaches the layer for needing to stop, control signal sends an instruction to braking
Device 8, brake power supply is cut off, and the electromagnet 11 on brake loses suction because of power-off, is braked in the presence of spring 12
Arm 13 is outwards strutted, and friction pair 14 just clamps brake disc 7 and braked, and measure speed gearses 2 are also braked simultaneously for brake disc braking, and car just stops
Only in respective storey.
When the failure of brake 8 either other reasonses cause mover（Car）It is anti-fall when mobile speed exceedes permissible value
Device 3 stops by friction self-locking without delay voltage and stops measure speed gearses, with reference to the rack being engaged with stator by mover
（Car）Only stop.
Embodiment 2：A kind of linear motor direct-driven elevator overspeed protecting of the present embodiment is with duty motivation device with implementing
A kind of linear motor direct-driven elevator overspeed protecting of example 1 centered on the difference in duty motivation device with illustrating；
As shown in Figure 4, Figure 5, the catching device 3 and measure speed gearses 2 are not coaxial, set on the input shaft of the catching device 3
There is gear 15, the gear is intermeshed with measure speed gearses, works as mover（Car）When translational speed exceedes permissible value, catching device 3
Without delay voltage, stop by friction self-locking and stop measure speed gearses, with reference to the rack being engaged with stator by mover（Sedan-chair
Railway carriage or compartment）Only stop.
Embodiment 3：A kind of linear motor direct-driven elevator overspeed protecting of the present embodiment is with duty motivation device with implementing
A kind of linear motor direct-driven elevator overspeed protecting of example 1 centered on the difference in duty motivation device with illustrating；
As shown in fig. 6, described brake is drum type electromagnetic brake, and when to be braked, drum type electromagnetic brake power supply
It is cut off, electromagnet loses suction, brake-shoe 17 is clamped to centre under the action of the spring, brake-shoe 17 just clamps brake drum 16
Braking, while measure speed gearses 2 are also braked, car just stops at respective storey.
Embodiment 4：A kind of linear motor direct-driven elevator overspeed protecting of the present embodiment is with duty motivation device with implementing
A kind of linear motor direct-driven elevator overspeed protecting of example 1 centered on the difference in duty motivation device with illustrating；
As shown in Figure 7, Figure 8, described brake is drum type electromagnetic brake, when to be braked, drum type electromagnetic brake power supply
It is cut off, electromagnet loses suction, brake-shoe 17 is clamped to centre under the action of the spring, brake-shoe 17 just clamps brake drum 16
Braking, while measure speed gearses 2 are also braked, car just stops at respective storey；The catching device 3 and measure speed gearses 2 are not coaxial, institute
Gear 15 is provided with the input shaft for stating catching device 3, the gear is intermeshed with measure speed gearses, works as mover（Car）Mobile speed
When degree exceedes permissible value, catching device 3 stops by friction self-locking without delay voltage and stops measure speed gearses, with reference on stator
The rack being engaged with is by mover（Car）Only stop.
Claims (8)
1. a kind of linear motor direct-driven elevator overspeed protecting and service brake, including the stator that is set along hoistway and for holding
Carry the mover of car, it is characterised in that：It is provided with the stator on the rack for the real time measure mover translational speed, mover
Measure speed gearses, decelerator, brake and catching device are provided with, the measure speed gearses are intermeshed with rack, the measure speed gearses
It is connected respectively with catching device and decelerator, the slow-speed shaft and measure speed gearses of the decelerator are coaxially connected, the high speed shaft of decelerator
On brake component is installed, the brake component is connected with friction pairs of brake.
2. linear motor direct-driven elevator overspeed protecting according to claim 1 and service brake, it is characterised in that：Institute
State catching device coaxial with measure speed gearses, catching device is connected with measure speed gearses axle by shaft coupling.
3. linear motor direct-driven elevator overspeed protecting according to claim 1 and service brake, it is characterised in that：Institute
State catching device not coaxial with measure speed gearses, gear, the gear and measure speed gearses phase are provided with the input shaft of the catching device
Mutually engagement.
4. linear motor direct-driven elevator overspeed protecting according to claim 1 and service brake, it is characterised in that：Institute
The slow-speed shaft for stating decelerator is connected with measure speed gearses axle by shaft coupling.
5. linear motor direct-driven elevator overspeed protecting according to claim 1 and service brake, it is characterised in that：Institute
Catching device is stated for cone of gears cydariform gradual anti-falling safety device.
6. linear motor direct-driven elevator overspeed protecting according to claim 1 and service brake, it is characterised in that：Institute
Decelerator is stated for planetary reducer, worm type of reduction gearing or common gear reducer.
7. linear motor direct-driven elevator overspeed protecting according to claim 1 and service brake, it is characterised in that：Institute
Brake is stated for disk type electromagnetic brake, the brake component is brake disc, brake disc is connected with disk type electromagnetic brake friction pair.
8. linear motor direct-driven elevator overspeed protecting according to claim 1 and service brake, it is characterised in that：Institute
Brake is stated for drum type electromagnetic brake, the brake component is brake drum, brake drum is connected with drum type electromagnetic brake friction pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710437591.2A CN107215741A (en) | 2017-06-12 | 2017-06-12 | A kind of linear motor direct-driven elevator overspeed protecting and service brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710437591.2A CN107215741A (en) | 2017-06-12 | 2017-06-12 | A kind of linear motor direct-driven elevator overspeed protecting and service brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107215741A true CN107215741A (en) | 2017-09-29 |
Family
ID=59948072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710437591.2A Pending CN107215741A (en) | 2017-06-12 | 2017-06-12 | A kind of linear motor direct-driven elevator overspeed protecting and service brake |
Country Status (1)
| Country | Link |
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| CN (1) | CN107215741A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408530A (en) * | 2018-03-17 | 2018-08-17 | 河南理工大学 | A kind of linear motor direct-driven bidirection overspeed protective device of elevator |
| CN108408535A (en) * | 2018-03-30 | 2018-08-17 | 太原科技大学 | A kind of security protection system when the tenesmus for elevator |
| CN108483198A (en) * | 2018-07-03 | 2018-09-04 | 佛山市欧贝斯无障碍科技有限公司 | A kind of driving structure of lift facility |
| CN108726312A (en) * | 2018-08-22 | 2018-11-02 | 河南理工大学 | A kind of induction elevator governor |
| CN110092271A (en) * | 2019-06-03 | 2019-08-06 | 陕西理工大学 | Vertical ladder in the half-open nut type building of electric-machine directly-driven |
| CN110422735A (en) * | 2019-09-04 | 2019-11-08 | 河南理工大学 | A kind of straight drive lifting system |
| CN113148802A (en) * | 2021-04-22 | 2021-07-23 | 吴开利 | Accidental falling speed reduction structure for mine hoist |
| CN113896071A (en) * | 2021-12-10 | 2022-01-07 | 广东省大江建筑机械有限公司 | Overspeed protection elevator and overspeed protection method thereof |
| CN116924178A (en) * | 2023-09-14 | 2023-10-24 | 河南心连心化学工业集团股份有限公司 | Speed limiting braking device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408530B (en) * | 2018-03-17 | 2019-12-06 | 河南理工大学 | Two-way overspeed protection device for linear motor direct-drive elevator |
| CN108408530A (en) * | 2018-03-17 | 2018-08-17 | 河南理工大学 | A kind of linear motor direct-driven bidirection overspeed protective device of elevator |
| CN108408535A (en) * | 2018-03-30 | 2018-08-17 | 太原科技大学 | A kind of security protection system when the tenesmus for elevator |
| CN108483198A (en) * | 2018-07-03 | 2018-09-04 | 佛山市欧贝斯无障碍科技有限公司 | A kind of driving structure of lift facility |
| CN108726312A (en) * | 2018-08-22 | 2018-11-02 | 河南理工大学 | A kind of induction elevator governor |
| CN108726312B (en) * | 2018-08-22 | 2023-10-03 | 河南理工大学 | Electromagnetic induction type elevator speed limiter |
| CN110092271A (en) * | 2019-06-03 | 2019-08-06 | 陕西理工大学 | Vertical ladder in the half-open nut type building of electric-machine directly-driven |
| CN110092271B (en) * | 2019-06-03 | 2024-01-05 | 陕西理工大学 | Half-open nut type in-building straight ladder directly driven by motor |
| CN110422735A (en) * | 2019-09-04 | 2019-11-08 | 河南理工大学 | A kind of straight drive lifting system |
| CN113148802A (en) * | 2021-04-22 | 2021-07-23 | 吴开利 | Accidental falling speed reduction structure for mine hoist |
| CN113896071A (en) * | 2021-12-10 | 2022-01-07 | 广东省大江建筑机械有限公司 | Overspeed protection elevator and overspeed protection method thereof |
| CN113896071B (en) * | 2021-12-10 | 2022-03-18 | 广东省大江建筑机械有限公司 | Overspeed protection elevator and overspeed protection method thereof |
| CN116924178A (en) * | 2023-09-14 | 2023-10-24 | 河南心连心化学工业集团股份有限公司 | Speed limiting braking device |
| CN116924178B (en) * | 2023-09-14 | 2023-12-08 | 河南心连心化学工业集团股份有限公司 | Speed limiting braking device |
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Application publication date: 20170929 |
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| RJ01 | Rejection of invention patent application after publication |