CN208008237U - 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
- CN208008237U CN208008237U CN201720675195.9U CN201720675195U CN208008237U CN 208008237 U CN208008237 U CN 208008237U CN 201720675195 U CN201720675195 U CN 201720675195U CN 208008237 U CN208008237 U CN 208008237U
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- Prior art keywords
- brake
- linear motor
- retarder
- catching device
- speed gears
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model is related to the anti-fall technical equipment field of elevator more particularly to a kind of linear motor direct-driven elevator overspeed protecting and service brakes, include the stator being arranged along hoistway and the mover for carrying car, it is characterised in that：The rack for the real time measure mover movement speed is provided on the stator, measure speed gears are provided on mover, retarder, brake and catching device, the measure speed gears are intermeshed with rack, the measure speed gears are connect with catching device and retarder respectively, the slow-speed shaft of the retarder and measure speed gears are coaxially connected, brake component is installed on the high speed shaft of retarder, the brake component is connect with friction pairs of brake, the mechanism is engaged with gear by catching device or catching device is connect with gear coupling, eliminate steel wire rope and braking rail, reduce transmission process, reduce the reaction time of braking, so that more efficient, it maintains easily simultaneously.
Description
Technical field
The utility model is related to elevator overspeed protecting and braking technology apparatus fields more particularly to a kind of linear motor direct-driven
Elevator overspeed protecting 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 that the normal operation of elevator, the latter ensure passenger when the car speed of service 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 to trigger safety tongs action, the wedge shape of safety tongs using overrunning cluth
Fixture block sticks into braking rail and locks, and so that lift car is stopped tenesmus, plays anti-fall purpose.But the shortcomings that this anti-fall device
It is:（1）Tensing the triggering safety tongs response time by steel wire rope has a delay, when rope sheave rotation and tense wire rope need certain
Between；（2）Steel wire rope is easily damaged by frictional force, pulling force；（3）Braking rail will be paved with entire car movement travel, that is, entirely
Hoistway needs to be laid with braking rail, has both increased 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）The linear motor direct-driven elevator work braking scheme provided in equal related patents is profit
With mounted on mover（Car frame）On liquid braking device or bar boosting brake clamping be mounted on rack（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 and successfully carry out service braking.In addition to this, by
It is limited in the multiple that no brake force amplification or brake force amplify, make the complicated of braking system, and quality is greatly to tight
Ghost image rings the power capacity of entire elevator device.The utility model patent can overcome drawbacks described above on service brake system, knot
Structure is simple, reliable operation, and mounting and adjusting is convenient, and braking is steady, and friction pairs of brake collisionless, brake driving power is at demultiplication
Small, total system mass considerably reduces, and reduces the power of elevator drive system.
Utility model content
The utility model patent aims to overcome that current linear motor direct-driven elevator anti-fall device passes through steel wire rope
Flexible element, which tenses the triggering safety tongs braking response time, that delay, steel wire rope are easily damaged by frictional force and pulling force, braking rail adds
Work is of high cost and mounting and adjusting is not easy, the total friction pairs of brake of car operational process unavoidably mutually collides with braking rail, is
The problems such as gross mass of uniting is excessive excessive so as to cause entire elevator device installed power provides a kind of linear motor direct-driven elevator limit
Fast release mechanism, this directly drives coaxially connected catching device and measure speed gears in elevator speed-limiting safety mechanism or measure speed gears and another phase
With non-coaxial connection after gear wheel reversing, steel wire rope and braking rail are eliminated, structure is greatly simplified, shortens braking time, reliably
Property high, long lifespan, it is mounting and adjusting, easy to maintain；Total system mass reduces, and greatly reduces the work(of entire elevator device installation
Rate.
The principle of the utility model patent is：A kind of linear motor direct-driven elevator overspeed protecting and service brake, packet
The stator being arranged along hoistway and the mover for carrying car are included, is provided on the stator and moves speed for the real time measure mover
The rack of degree is provided with measure speed gears, retarder, brake and catching device on mover, and the measure speed gears are mutually nibbled with rack
It closing, the measure speed gears are connect with catching device and retarder respectively, and the slow-speed shaft and measure speed gears of the retarder are coaxially connected,
Brake disc is installed, the brake component is connect with friction pairs of brake on the high speed shaft of retarder.
A kind of above-mentioned linear motor direct-driven elevator overspeed protecting and service brake, the catching device and measure speed gears
Coaxially, catching device is connect with measure speed gears axis by shaft coupling.
A kind of above-mentioned linear motor direct-driven elevator overspeed protecting and service brake, the catching device and measure speed gears
It is not coaxial, gear is provided on the input shaft of the catching device, the gear is intermeshed with measure speed gears.
A kind of above-mentioned linear motor direct-driven elevator overspeed protecting and service brake, the slow-speed shaft of the retarder with
Measure speed gears axis 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 retarder are planetary gear
Retarder, worm type of reduction gearing or common gear reducer.
The utility model patent has the following advantages that：The utility model patent is linear motor direct-driven elevator overspeed protecting
Integrated with service braking mechanism, to component manufacture, the required precision of installation is relatively low, is easily installed and adjusts, and braking is steady,
Total system mass reduces, and greatly reduces the power of entire elevator device installation；Mover is measured using rack pinion（Sedan-chair
Compartment）Real time execution speed reduces required braking moment using retarder, to using the disc type or drum brake of smaller power
Device forms service brake, it is not necessary that special braking rail is arranged, improves the stationarity, reliability, simple in structure, system of braking
It makes mounting and adjusting to be easy, cost reduction；It is combined into hypervelocity safety guard by catching device and rack pinion group, is realized
Car speeding defencive function, catching device and gear are coaxial or are not connected directly coaxially, eliminate synchronous shift mechanism, response time
Shorten, reliable in action, without specially in rack（Hoistway）Upper setting safety tongs etc. adheres to parts, after overspeed protection mechanism action
Parts will not be damaged, it is easy to maintain.
Description of the drawings
Fig. 1 is the overall structure diagram one of the utility model；
Fig. 2 is the vertical view one of the utility model；
Fig. 3 is the structural schematic diagram of brake；
Fig. 4 is the overall structure diagram two of the utility model；
Fig. 5 is the vertical view two of the utility model；
Fig. 6 is the overall structure diagram three of the utility model；
Fig. 7 is the vertical view three of the utility model；
Fig. 8 is the overall structure diagram four of the utility model；
Fig. 9 is the vertical view four of the utility model；
In figure：1- racks, 2- measure speed gears, 3- catching devices, 4- stators, 5- movers, 6- retarders, 7- brake discs, 8- systems
Dynamic device, 9- slow-speed shafts, 10- high speed shafts, 11- electromagnet, 12- springs, 13- brake arms, 14- frictions are secondary, 15- gears, 16 brakings
Drum, 17- brake-shoes.
Specific implementation mode
With reference to specific embodiment, the utility model 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
Rack（Hoistway）The stator 4 of setting and mover 5 for carrying car；Linear motor is installed secondary on stator（It is primary）, mover
Upper installation linear electric motor primary（It is secondary）；Primary pushes mover to do vertical line fortune along the guided way installed on stator after being powered
It is dynamic, drive elevator lifting.It is provided with rack 1 on the stator 4, measure speed gears 2, retarder 6, brake 8 are provided on mover 5
With catching device 3, bearing block is installed on the mover 5,2 axis of measure speed gears is installed on by bearing on bearing block, described to test the speed
Gear 2 is intermeshed with rack 1, is then passed through the shaft of brake speed-testing gear 2 and only can be stopped entire mover 5；Measure speed gears 2 also divide
Not with 6 direct or indirect connection of catching device 3 and retarder, the retarder 6 is planetary reducer, worm type of reduction gearing
Or common gear reducer, the slow-speed shaft 9 of retarder are connect with measure speed gears axis by shaft coupling, retarder can be by measure speed gears
Rotating speed amplify n times（N is the speed ratio of retarder）The high speed shaft of retarder is transmitted to by slow-speed shaft, retarder plays torque contracting
Small effect, to allow the brake 8 using small dimension only to stop mover（Car）, brake 8 is disk type electromagnetic brake, by
This can reduce the driving power of braking system and mover total quality；Brake disc 7 is installed on the high speed shaft 10 of retarder, it is described
Brake disc 7 is connect with disk type electromagnetic brake, due between brake disc 7 and measure speed gears 2 being connected by shaft coupling,
Measure speed gears also stop operating while brake disc 7 is braked, and realize fast braking.The braking system is not required to that special braking is arranged
Rail, and using frictional disk or friction drum as brake functional component, small, easily fabricated, installation simply, is easy to adjustment system
Dynamic gap, braking is steady, and braking reliability greatly improves compared with intra-class correlation patent, and reduces linear motor direct-driven elevator
Totle drilling cost is built, braking system maintenance 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 gears, and catching device input shaft is connect with measure speed gears axis by shaft coupling, and measure speed gears are nibbled with rack
It closes, measure speed gears rotating speed accurately steadily reflects mover（Car）Movement speed, work as mover（Car）Movement speed is more than to allow
When value, 3 non-delay action of catching device only stops measure speed gears, in conjunction with being engaged on stator by friction self-locking
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 are cut off, and the electromagnet 11 on brake loses suction because of power-off, is braked under the action of spring 12
Arm 13 struts outward, and friction pair 14 just clamps brake disc 7 and brakes, and measure speed gears 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 reasons cause mover（Car）It is anti-fall when mobile speed is more than permissible value
3 non-delay action of device only stops measure speed gears, in conjunction with the rack being engaged on stator by mover by friction self-locking
（Car）Only stop.
Embodiment 2：A kind of linear motor direct-driven elevator overspeed protecting of the present embodiment and duty motivation device and implementation
It is illustrated centered on a kind of linear motor direct-driven elevator overspeed protecting of example 1 and the difference in duty motivation device；
As shown in Figure 4, Figure 5, the catching device 3 is not coaxial with measure speed gears 2, is arranged on the input shaft of the catching device 3
There are gear 15, the gear to be intermeshed with measure speed gears, works as mover（Car）When movement speed is more than permissible value, catching device 3
Non-delay action only stops measure speed gears, in conjunction with the rack being engaged on stator by mover by friction self-locking（Sedan-chair
Compartment）Only stop.
Embodiment 3：A kind of linear motor direct-driven elevator overspeed protecting of the present embodiment and duty motivation device and implementation
It is illustrated centered on a kind of linear motor direct-driven elevator overspeed protecting of example 1 and the difference in duty motivation device；
As shown in Figure 6, Figure 7, the brake is drum type electromagnetic brake, when to be braked, drum type electromagnetic brake
Power supply is cut off, and electromagnet loses suction, and brake-shoe 17 is clamped to centre under the action of the spring, and brake-shoe 17 is just clamped and braked
Drum 16 is braked, while measure speed gears 2 are also braked, and car just stops at respective storey.
Embodiment 4：A kind of linear motor direct-driven elevator overspeed protecting of the present embodiment and duty motivation device and implementation
It is illustrated centered on a kind of linear motor direct-driven elevator overspeed protecting of example 1 and the difference in duty motivation device；
As shown in Figure 8, Figure 9, the brake is drum type electromagnetic brake, when to be braked, drum type electromagnetic brake
Power supply is cut off, and electromagnet loses suction, and brake-shoe 17 is clamped to centre under the action of the spring, and brake-shoe 17 is just clamped and braked
Drum 16 is braked, while measure speed gears 2 are also braked, and car just stops at respective storey；The catching device 3 is different from measure speed gears 2
Axis is provided with gear 15 on the input shaft of the catching device 3, and the gear is intermeshed with measure speed gears, works as mover（Car）
When movement speed is more than permissible value, 3 non-delay action of catching device only stops measure speed gears, in conjunction with mounted on fixed by friction self-locking
The rack being engaged on son is by mover（Car）Only stop.
Claims (8)
- Include the stator being arranged along hoistway and for holding 1. a kind of linear motor direct-driven elevator overspeed protecting and service brake Carry the mover of car, it is characterised in that：The rack for the real time measure mover movement speed is provided on the stator, on mover It is provided with measure speed gears, retarder, brake and catching device, the measure speed gears are intermeshed with rack, the measure speed gears It is connect respectively with catching device and retarder, the slow-speed shaft and measure speed gears of the retarder are coaxially connected, the high speed shaft of retarder On brake component is installed, the brake component is connect 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 It is coaxial with measure speed gears to state catching device, catching device is connect with measure speed gears axis by shaft coupling.
- 3. linear motor direct-driven elevator overspeed protecting according to claim 1 and service brake, it is characterised in that：Institute It states that catching device is not coaxial with measure speed gears, gear, the gear and measure speed gears phase is provided on 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 retarder is connect with measure speed gears axis by shaft coupling.
- 5. linear motor direct-driven elevator overspeed protecting according to claim 1 and service brake, it is characterised in that：Institute It is cone of gears cydariform gradual anti-falling safety device to state catching device.
- 6. linear motor direct-driven elevator overspeed protecting according to claim 1 and service brake, it is characterised in that：Institute It is planetary reducer, worm type of reduction gearing or common gear reducer to state retarder.
- 7. linear motor direct-driven elevator overspeed protecting according to claim 1 and service brake, it is characterised in that：Institute It is disk type electromagnetic brake to state brake, and the brake component is brake disc, and brake disc is connect 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 It is drum type electromagnetic brake to state brake, and the brake component is brake drum, and brake drum is connect with drum type electromagnetic brake friction pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720675195.9U CN208008237U (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 |
|---|---|---|---|
| CN201720675195.9U CN208008237U (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 |
|---|---|
| CN208008237U true CN208008237U (en) | 2018-10-26 |
Family
ID=63879061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720675195.9U Expired - Fee Related CN208008237U (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 |
|---|---|
| CN (1) | CN208008237U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215741A (en) * | 2017-06-12 | 2017-09-29 | 河南理工大学 | A kind of linear motor direct-driven elevator overspeed protecting and service brake |
| CN114165538A (en) * | 2022-02-14 | 2022-03-11 | 河南工学院 | Safety device for preventing steel cable from breaking and falling and application of safety device in winch for livestock breeding |
-
2017
- 2017-06-12 CN CN201720675195.9U patent/CN208008237U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215741A (en) * | 2017-06-12 | 2017-09-29 | 河南理工大学 | A kind of linear motor direct-driven elevator overspeed protecting and service brake |
| CN114165538A (en) * | 2022-02-14 | 2022-03-11 | 河南工学院 | Safety device for preventing steel cable from breaking and falling and application of safety device in winch for livestock breeding |
| CN114165538B (en) * | 2022-02-14 | 2022-05-17 | 河南工学院 | Safety device for preventing steel cable from breaking and falling and application of safety device in winch for livestock breeding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |