CN205240990U - A emergent retarder of permanent magnetism for over -and -under type elevator - Google Patents
A emergent retarder of permanent magnetism for over -and -under type elevator Download PDFInfo
- Publication number
- CN205240990U CN205240990U CN201520979312.1U CN201520979312U CN205240990U CN 205240990 U CN205240990 U CN 205240990U CN 201520979312 U CN201520979312 U CN 201520979312U CN 205240990 U CN205240990 U CN 205240990U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- conductor
- car
- permanent
- emergent
- 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.)
- Active
Links
Landscapes
- Types And Forms Of Lifts (AREA)
Abstract
The utility model discloses an emergent retarder of permanent magnetism for over -and -under type elevator, including car (2) and well (3), well (3) in be equipped with the permanent magnetism vortex fast subassembly slowly that can slow down car (2) speed of falling, the permanent magnetism vortex slowly fast subassembly comprises conductor (4) and permanent magnet (5) of relative setting, conductor (4) fixed set up on the inner wall of well (3) and permanent magnet (5) fixed set up on the outer wall of car (2) or conductor (4) fixed set up on the outer wall of car (2) and permanent magnet (5) fixed setting on the inner wall of well (3), when producing relative motion between conductor (4) and permanent magnet (5), then the magnetic line of force meeting burble of conductor (4) cutting permanent magnets (5) and the induced magnetic field that the vortex produced can slow down the speed of car (2) falling. The utility model has the advantages of simple structure, the security is high and maintenance is with low costs, suitable using widely.
Description
Technical field
The utility model relates to lifting type elevator field, specifically the emergent retarding device of a kind of permanent magnetism for lifting type elevator simple in structure, safe and that maintenance cost is low.
Background technology
Lifting type elevator, taking motor as power, is taken advantage of people or carrying goods for tier building. Elevator itself is a kind of perfect transporting equipment, and it such as has adopted multiple safety measures to eliminate to fall, rush to summit at the potential safety hazard. Main safety guard speed limiter, safety tongs, buffer. Limiter of speed is a hypervelocity sniffer, is generally arranged on elevator(lift) machine room or elevator hoistways top, also has the situation that is loaded on pit. In the time that elevator overspeed reaches the electrical action speed of setting, the safety return circuit of elevator is cut off in its meeting by electric switch, and then cutting system power supply. If elevator, because gravity or inertia also continue hypervelocity, can trigger the mechanical action device of limiter of speed, make the stop motion of speed limit steel wire rope, thereby lift safety tongs.
Safety tongs is a brake apparatus, is arranged on lift car or elevator counterweight bottom. It comprises shift mechanism and arrestment mechanism two parts. The effect of shift mechanism is the mechanical action of limiter of speed to be delivered to arrestment mechanism and to make arrestment mechanism action, and after arrestment mechanism action, its inner wedge can be stuck in elevator on guide rail, avoids elevator further to fall.
Be arranged on the pit of elevator hoistways at buffer. Its effect be prevent elevator pier at the bottom of. At the bottom of elevator pier time, it can reduce impact, to reduce the injury to passenger in elevator itself and elevator. Once limiter of speed is failed to judge or safety tongs is malfunctioning, or the situation of hoist ropes appearance fracture, existing buffer is to avoid passenger's situation dead or that sustain a severe injury to occur.
Summary of the invention
The purpose of this utility model is for the sudden potential safety hazard of falling and causing of lifting type elevator in prior art, provides a kind of permanent magnetism for lifting type elevator simple in structure, safe and that maintenance cost is low emergent retarding device; The emergent retarding device of this permanent magnetism can solve the problem of guaranteeing passenger safety in the situation that hoist ropes breaks well.
The purpose of this utility model solves by the following technical programs:
A kind of permanent magnetism for lifting type elevator retarding device of meeting an urgent need, comprise car and the hoistway of the traction steel-cable of ining succession, it is characterized in that: in described hoistway, be provided with the slow assembly of permanent-magnet eddy current, the slow assembly of permanent-magnet eddy current is made up of the conductor being oppositely arranged and permanent magnet, conductor is fixedly installed on the inwall of hoistway and permanent magnet is fixedly installed on the outer wall of car, or conductor is fixedly installed on the outer wall of car and permanent magnet is fixedly installed on the inwall of hoistway, in the time producing relative motion between conductor and permanent magnet, conductor cuts the magnetic line of force of permanent magnet and can produce eddy current on conductor, thereby and the relative motion that the induced field of eddy current generation can hinder between conductor and permanent magnet slows down the speed that car falls.
On the bottom of described car and the bottom surface of hoistway, be also provided with the upper thrust permanent magnet and the lower thrust permanent magnet that are oppositely arranged, the repulsion producing between upper thrust permanent magnet and lower thrust permanent magnet also can further slow down the speed that car falls.
On the bottom surface of described hoistway, be installed with buffer spring, the top of described buffer spring just arranges the bottom of car, and buffer spring, upper thrust permanent magnet and lower thrust permanent magnet form and can further slow down the fall slow assembly of permanent magnetism thrust of speed of car.
Described permanent magnet is a permanent magnet formation or the array of polylith permanent magnet formation or is spliced into block polylith permanent magnet formation.
Described upper thrust permanent magnet and lower thrust permanent magnet are a pair or more of permanent magnet.
Described conductor adopts copper, aluminium or other composite to make.
The utility model has the following advantages compared to existing technology:
While thering is relative motion between permanent magnet in the slow assembly of permanent-magnet eddy current of the present utility model and conductor, the magnetic line of force of conductor cutting permanent magnet, on conductor, can produce eddy current, the induced field that eddy current produces can hinder the relative motion between permanent magnet and conductor, and the speed of related movement between permanent magnet and conductor is larger, the eddy current producing is larger, and the resistance producing is between the two larger, thereby slows down the speed that car falls; Upper thrust permanent magnet in the slow assembly of permanent magnetism thrust and lower thrust permanent magnet also can produce repulsion upwards in addition, thereby further slow down the speed that car falls, and reach the object that improves lifting type elevator security; That the emergent retarding device of permanent magnetism of the present utility model has advantages of is simple in structure, reliability is high, maintenance cost is low, suitable promoting the use of.
Brief description of the drawings
Accompanying drawing 1 is emergent retarding device embodiment mono-structural representation of the permanent magnetism for lifting type elevator of the present utility model;
Accompanying drawing 2 is emergent retarding device embodiment bis-structural representations of the permanent magnetism for lifting type elevator of the present utility model;
Accompanying drawing 3 is emergent retarding device embodiment tri-structural representations of the permanent magnetism for lifting type elevator of the present utility model;
Accompanying drawing 4 is emergent retarding device embodiment tetra-structural representations of the permanent magnetism for lifting type elevator of the present utility model.
Wherein: 1-traction steel-cable; 2-car; 3-hoistway; 4-conductor; 5-permanent magnet; 6-upper thrust permanent magnet; 7-lower thrust permanent magnet; 8-buffer spring.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
As Figure 1-4: a kind of permanent magnetism for lifting type elevator retarding device of meeting an urgent need, comprise car 2 and the hoistway 3 of the traction steel-cable 1 of ining succession, in hoistway 3, be provided with and can slow down the fall slow assembly of permanent-magnet eddy current of speed of car 2, the slow assembly of permanent-magnet eddy current is made up of the conductor 4 being oppositely arranged and permanent magnet 5, conductor 4 is fixedly installed on the inwall of hoistway 3 and permanent magnet 5 is fixedly installed on the outer wall of car 2, or conductor 4 is fixedly installed on the outer wall of car 2 and permanent magnet 5 is fixedly installed on the inwall of hoistway 3, in the time producing relative motion between conductor 4 and permanent magnet 5, conductor 4 cuts the magnetic line of force of permanent magnet 5 and can produce eddy current on conductor 4, thereby and the relative motion that the induced field of eddy current generation can hinder between conductor 4 and permanent magnet 5 slows down the speed that car 2 falls. on the bottom of car 2 and the bottom surface of hoistway 3, be also provided with in addition the upper thrust permanent magnet 6 and the lower thrust permanent magnet 7 that are oppositely arranged, the repulsion producing between upper thrust permanent magnet 6 and lower thrust permanent magnet 7 also can further slow down the speed that car 2 falls. on the bottom surface of hoistway 3, be installed with in addition buffer spring 8, the top of buffer spring 8 just arranges the bottom of car 2, and buffer spring 8, upper thrust permanent magnet 6 and lower thrust permanent magnet 7 form can further slow down the fall slow assembly of permanent magnetism thrust of speed of car 2. in said structure, permanent magnet 5 is a permanent magnet formation or the array of polylith permanent magnet formation or is spliced into block polylith permanent magnet formation, when permanent magnet 5 is, while adopting the array structure of polylith permanent magnet formation, to be provided with dividing plate between the permanent magnet 5 that polarity of adjacent permanent magnet 5 is different and adjacent, and permanent magnet 5 also can adopt Halbach array during for array structure. go up thrust permanent magnet 6 and lower thrust permanent magnet 7 is a pair or more of permanent magnet, upper thrust permanent magnet 6 and lower thrust permanent magnet 7 also can be the permanent magnet that adopts Halbach array simultaneously. in said structure, when the height of floor has in limited time, conductor 4 or permanent magnet 5 are set in the bottom of hoistway 3, just can with car 2 on permanent magnet 5 or conductor 4 form the slow assembly of permanent-magnet eddy current and reach deceleration object, but in the time that floor is higher, need to lower part many places, conductor 4 or permanent magnet 5 be set at the middle part of hoistway 3, thereby forms multi-buffer, progressively reduce the speed of falling of car 2. in general, conductor more than 4 adopts the homogenous materials such as copper, aluminium or other composite to make, being shaped as strip or can increasing other shape of eddy current of conductor 4, the vortex induction magnetic field that while adopting copper coin as conductor 4 while use at present, cutting magnetic line produces is stronger.
The principle of the emergent retarding device of the permanent magnetism for lifting type elevator that the utility model provides is: in the time that car 2 falls, between conductor 4 in the slow assembly of permanent-magnet eddy current and permanent magnet 5, there is relative motion, conductor 4 can cutting permanent magnets 5 the magnetic line of force also on conductor 4, can produce eddy current, thereby and the relative motion that the induced field that eddy current produces can hinder between conductor 4 and permanent magnet 5 slows down the speed that car 2 falls; Speed of related movement between permanent magnet 5 and conductor 4 is larger, and the eddy current of generation is larger, and the resistance producing is between the two larger. Specifically, rise or when landing, the resistance that the slow assembly of permanent-magnet eddy current produces is little, and car 2 is not had to active force substantially when car 2 is slow (1); (2) in the time that car 2 falls rapidly, the resistance that the slow assembly of permanent-magnet eddy current produces is large, and also can produce repulsion upwards between upper thrust permanent magnet 6 and lower thrust permanent magnet 7, thereby slows down the speed that car 2 falls, protection cab interior personnel's safety. And can, at the bottom of hoistway 3 reload buffer spring 8, form multiple protective, safer.
Embodiment mono-
As shown in Figure 1, conductor 4 is fixedly installed on the inwall of hoistway 3 and permanent magnet 5 is fixedly installed on the outer wall of car 2, above-mentioned conductor 4 is positioned at the bottom of hoistway 3, in the time producing relative motion between conductor 4 and permanent magnet 5, conductor 4 cuts the magnetic line of force of permanent magnet 5 and can produce eddy current on conductor 4, thereby and the induced field relative motion that can hinder between conductor 4 and permanent magnet 5 that produces of eddy current slow down the speed that car 2 falls. On the bottom surface of the bottom of car 2 and hoistway 3, be also provided with in addition the upper thrust permanent magnet 6 and the lower thrust permanent magnet 7 that are oppositely arranged, the repulsion producing between upper thrust permanent magnet 6 and lower thrust permanent magnet 7 also can further slow down the speed that car 2 falls. In said structure, permanent magnet 5 is a permanent magnet formation or the array of polylith permanent magnet formation or is spliced into block polylith permanent magnet formation, when permanent magnet 5 is, while adopting the array structure of polylith permanent magnet formation, to be provided with dividing plate between the permanent magnet 5 that polarity of adjacent permanent magnet 5 is different and adjacent; Go up thrust permanent magnet 6 and lower thrust permanent magnet 7 is a pair or more of permanent magnet simultaneously; Conductor 4 adopts copper coin to make in addition.
Embodiment bis-
As shown in Figure 2, on the basis of embodiment mono-, the difference of embodiment bis-and embodiment mono-is: permanent magnet 5 is fixedly installed on the inwall of hoistway 3, and conductor 4 is fixedly installed on and on the outer wall of car 2, follows car 2 and move up and down.
Embodiment tri-
As shown in Figure 3, on the basis of embodiment mono-, the difference of embodiment tri-and embodiment mono-is: on the bottom surface of hoistway 3, be installed with the buffer spring 8 that is arranged in pairs in lower thrust permanent magnet 7 both sides, the top of buffer spring 8 is the bottom to car 2 just, and buffer spring 8, upper thrust permanent magnet 6 and lower thrust permanent magnet 7 form and can slow down the fall slow assembly of permanent magnetism thrust of speed of car 2 and jointly slow down the speed of falling of anxious pendant car 2.
Embodiment tetra-
As shown in Figure 4, on the basis of embodiment mono-, the difference of embodiment tetra-and embodiment mono-is: permanent magnet 5 adopts Halbach array structure.
While thering is relative motion between permanent magnet 5 in the slow assembly of permanent-magnet eddy current of the present utility model and conductor 4, conductor 4 cuts the magnetic line of force of permanent magnet 5, on conductor 4, can produce eddy current, the induced field that eddy current produces can hinder the relative motion between permanent magnet 5 and conductor 4, and the speed of related movement between permanent magnet 5 and conductor 4 is larger, the eddy current producing is larger, and the resistance producing is between the two larger, thereby slows down the speed that car 2 falls; Upper thrust permanent magnet 6 in the slow assembly of permanent magnetism thrust and lower thrust permanent magnet 7 also can produce repulsion upwards in addition, thereby further slow down the speed that car 2 falls, and reach the object that improves lifting type elevator security; That the emergent retarding device of permanent magnetism of the present utility model has advantages of is simple in structure, reliability is high, maintenance cost is low, suitable promoting the use of.
Above embodiment is only explanation technological thought of the present utility model, can not limit protection domain of the present utility model with this, every technological thought according to the utility model proposes, any change of doing on technical scheme basis, within all falling into the utility model protection domain; The technology that the utility model does not relate to all can be realized by prior art.
Claims (6)
1. the emergent retarding device of the permanent magnetism for lifting type elevator, comprise car (2) and the hoistway (3) of the traction steel-cable of ining succession (1), it is characterized in that: in described hoistway (3), be provided with the slow assembly of permanent-magnet eddy current, the slow assembly of permanent-magnet eddy current is made up of the conductor being oppositely arranged (4) and permanent magnet (5), conductor (4) is fixedly installed on the inwall of hoistway (3) and permanent magnet (5) is fixedly installed on the outer wall of car (2), or conductor (4) is fixedly installed on the outer wall of car (2) and permanent magnet (5) is fixedly installed on the inwall of hoistway (3), in the time producing relative motion between conductor (4) and permanent magnet (5), conductor (4) cuts the magnetic line of force of permanent magnet (5) and can produce eddy current on conductor (4), and the induced field that eddy current produces can hinder conductor (4) and permanent magnet (5) thus between relative motion slow down the speed that car (2) falls.
2. the emergent retarding device of the permanent magnetism for lifting type elevator according to claim 1, it is characterized in that: on the bottom surface of the bottom of described car (2) and hoistway (3), be also provided with the upper thrust permanent magnet (6) and the lower thrust permanent magnet (7) that are oppositely arranged, the repulsion producing between upper thrust permanent magnet (6) and lower thrust permanent magnet (7) also can further slow down the speed that car (2) falls.
3. the emergent retarding device of the permanent magnetism for lifting type elevator according to claim 2, it is characterized in that: on the bottom surface of described hoistway (3), be installed with buffer spring (8), the top of described buffer spring (8) just arranges the bottom of car (2), and buffer spring (8), upper thrust permanent magnet (6) and lower thrust permanent magnet (7) formation can further slow down the fall slow assembly of permanent magnetism thrust of speed of car (2).
4. the emergent retarding device of the permanent magnetism for lifting type elevator according to claim 1, is characterized in that: described permanent magnet (5) is a permanent magnet formation or the array of polylith permanent magnet formation or is spliced into block polylith permanent magnet formation.
5. the emergent retarding device of the permanent magnetism for lifting type elevator according to claim 2, is characterized in that: described upper thrust permanent magnet (6) and lower thrust permanent magnet (7) are a pair or more of permanent magnet.
6. the emergent retarding device of the permanent magnetism for lifting type elevator according to claim 1, is characterized in that: described conductor (4) adopts copper, aluminium or other composite to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520979312.1U CN205240990U (en) | 2015-12-01 | 2015-12-01 | A emergent retarder of permanent magnetism for over -and -under type elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520979312.1U CN205240990U (en) | 2015-12-01 | 2015-12-01 | A emergent retarder of permanent magnetism for over -and -under type elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205240990U true CN205240990U (en) | 2016-05-18 |
Family
ID=55940069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520979312.1U Active CN205240990U (en) | 2015-12-01 | 2015-12-01 | A emergent retarder of permanent magnetism for over -and -under type elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205240990U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105384033A (en) * | 2015-12-01 | 2016-03-09 | 王向东 | Permanent magnet emergency slowing-down device used for lifting type elevator |
| CN106081785A (en) * | 2016-08-29 | 2016-11-09 | 新疆天山电梯制造有限公司 | A kind of elevator safety buffer unit |
-
2015
- 2015-12-01 CN CN201520979312.1U patent/CN205240990U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105384033A (en) * | 2015-12-01 | 2016-03-09 | 王向东 | Permanent magnet emergency slowing-down device used for lifting type elevator |
| CN106081785A (en) * | 2016-08-29 | 2016-11-09 | 新疆天山电梯制造有限公司 | A kind of elevator safety buffer unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105384033A (en) | Permanent magnet emergency slowing-down device used for lifting type elevator | |
| CN202346537U (en) | Car, anti-falling device for car and elevator equipment using car | |
| CN106516933B (en) | A kind of braking method of electrodynamic type safety tongs device and electrodynamic type safety tongs device | |
| CN102897624B (en) | Fall-prevention safety protection device for vertical lift elevator | |
| CN101691180A (en) | Buffer protection device used during elevator falling | |
| CN107082335B (en) | Elevator lift safety protection system | |
| CN105329740A (en) | Elevator falling protective device | |
| CN104210915A (en) | Magnetic eddy-current damping safe elevator | |
| CN204938625U (en) | Used during elevator falling fender guard | |
| CN104724565A (en) | Elevator brake device with trigger mechanism | |
| CN104053622A (en) | Elevator | |
| CN204369360U (en) | For the safety tongs pulling apparatus of gantry frame structure home lift | |
| CN205240990U (en) | A emergent retarder of permanent magnetism for over -and -under type elevator | |
| CN105800415A (en) | Magnetic induction emergency elevator | |
| CN105417311A (en) | Safe elevator | |
| KR20150093970A (en) | Safety equipment of train platform | |
| CN206126538U (en) | Building construction elevator promptly prevents weighing down safety device | |
| CN204280981U (en) | Electric expansion toeguard | |
| ES2694854T3 (en) | Method to move an elevator car | |
| CN205602912U (en) | Safety elevator system | |
| CN204400382U (en) | A kind of elevator emergency brake equipment and elevator | |
| CN103496622B (en) | With the elevator of rope broken protector | |
| CN205739847U (en) | A kind of lift car emergency protective device | |
| CN205328400U (en) | Elevator and lift fall and personnel weigh down well accident emergency rescue system | |
| CN203033588U (en) | Rope-break-proof damping slow-descending elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220615 Address after: 210000 1st floor, D4 middle section, Hongfeng Science Park, Nanjing Economic and Technological Development Zone, Nanjing City, Jiangsu Province Patentee after: JIANGSU JINLING PERMANENT MAGNET INDUSTRY RESEARCH INSTITUTE Co.,Ltd. Address before: 210038 3rd floor, no.30-4 HENGFA Road, Nanjing Economic and Technological Development Zone, Jiangsu Province Patentee before: Wang Xiangdong |