CN112723089B - Prevent elevator gliding protection device - Google Patents
Prevent elevator gliding protection device Download PDFInfo
- Publication number
- CN112723089B CN112723089B CN202011630377.7A CN202011630377A CN112723089B CN 112723089 B CN112723089 B CN 112723089B CN 202011630377 A CN202011630377 A CN 202011630377A CN 112723089 B CN112723089 B CN 112723089B
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- Prior art keywords
- elevator
- electromagnetic
- protection device
- communication connection
- elevator car
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- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 22
- 230000000979 retarding effect Effects 0.000 claims abstract description 14
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 6
- 230000001739 rebound effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Classifications
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- 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
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- 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
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/002—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion characterised by the control method or circuitry
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a protection device for preventing elevator from sliding downwards, which comprises a buffer mechanism arranged at the bottom of an elevator shaft, a retarding mechanism arranged on the side wall of an elevator car, a speed sensor arranged on the side wall of the elevator car and a controller in communication connection with the buffer mechanism, the speed sensor and the retarding mechanism respectively; the double-protection device is reliable in structure and good in protection performance, a double-protection structure is formed by the buffer mechanism and the retarding mechanism, the whole process is automatically controlled to run by the controller, the automation degree is high, and the reaction is rapid and reliable; the elastic component and the electromagnetic component in the buffer mechanism form a double buffer effect, so that the elevator can obtain sufficient buffer and fixing effects when falling to the bottom, and the safety performance is improved; carry out reliable friction through retarding mechanism between to elevator car lateral wall and the well lateral wall, reduce the speed that the elevator glided rapidly, avoid the perpendicular of elevator to fall, improve the security performance, guarantee passenger's safety in the elevator.
Description
Technical Field
The invention relates to the technical field of elevator equipment, in particular to a protection device for preventing elevator from sliding downwards.
Background
At present, along with the acceleration of urbanization process, city construction is faster and faster for high building mansion in the city is more and more, and then the application of elevator is more and more, and the safety problem of elevator just becomes the thing for people's more and more concern like this, and when the elevator breaks down, the elevator car falls in the high altitude, can cause huge injury to the passenger of elevator, leads to the death even. The existing elevator gliding protection device is unreliable in use, still causes great impact in the falling process of the elevator and causes serious safety problems
Disclosure of Invention
In order to solve the technical problem, the invention provides a protection device for preventing an elevator from sliding downwards.
The technical scheme for solving the technical problems is as follows: a protection device for preventing elevator from sliding down comprises a buffer mechanism arranged at the bottom of an elevator shaft, a blocking mechanism arranged on the side wall of an elevator car, a speed sensor arranged on the side wall of the elevator car and a controller which is respectively in communication connection with the buffer mechanism, the speed sensor and the blocking mechanism;
buffer gear is including pre-buried mount pad in elevator well bottom, set up at the positive electricity magnetic component at mount pad both ends and set up the elastic component between two positive electricity magnetic components, and elevator car's bottom outer wall both ends are provided with and positive electricity magnetic component assorted negative electromagnetic component, are provided with the card seat subassembly with elastic component joint complex between two negative electricity magnetic components, positive electricity magnetic component and negative electricity magnetic component respectively with controller communication connection.
Further, positive electromagnetism subassembly and negative electromagnetism subassembly all include the fixed plate, set up electromagnetism seat on the fixed plate and with electromagnetism seat communication connection's DC power supply, electromagnetism seat and DC power supply respectively with controller communication connection.
Further, an arc-shaped bulge is arranged on the electromagnetic seat of the positive electromagnetic assembly, and an arc-shaped groove matched with the arc-shaped bulge is arranged on the electromagnetic seat of the negative electromagnetic assembly.
Further, retardant mechanism is including setting up the backup pad on elevator car lateral wall all around and setting up first extensible member and the second extensible member in the backup pad respectively, has the contained angle between first extensible member and the second extensible member, and first extensible member and second extensible member are the triangle-shaped structure with well inner wall butt, first extensible member and second extensible member all with controller communication connection.
Furthermore, the end of the first telescopic part and the end of the second telescopic part penetrate through the supporting plate and are fixedly connected to the side wall of the elevator car.
Further, the controller comprises a power supply module, a signal receiving module and an instruction output module, the speed sensor is in communication connection with the signal receiving module, and the direct-current power supply, the first telescopic piece and the second telescopic piece are in communication connection with the instruction output module respectively.
Further, first extensible member and second extensible member all include electronic jar and set up the friction pulley at the tip of the piston rod of electronic jar, and electronic jar runs through the backup pad and fixed the setting on elevator car.
Further, the surface of the friction wheel is provided with friction textures.
The invention has the following beneficial effects: the protection device for preventing the elevator from sliding downwards is reliable in structure and good in protection performance, a double protection structure is formed by the buffer mechanism and the retarding mechanism, the operation is automatically controlled by the controller in the whole process, the automation degree is high, and the reaction is rapid and reliable; the elevator buffer mechanism has the advantages that the elastic assembly and the electromagnetic assembly in the buffer mechanism form a double-buffer effect, so that the elevator can obtain sufficient buffer and fixing effects when falling to the bottom, and the safety performance is improved; carry out reliable friction through retarding mechanism between to elevator car lateral wall and the well lateral wall, reduce the speed that the elevator glided rapidly, avoid the perpendicular of elevator to fall, improve the security performance, guarantee passenger's safety in the elevator.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a positive or negative electromagnetic assembly according to the present invention;
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 2, an elevator sliding down prevention protection device comprises a buffer mechanism 1 arranged at the bottom of an elevator shaft, a retarding mechanism 3 arranged on the side wall of an elevator car 2, a speed sensor 4 arranged on the side wall of the elevator car 2, and a controller respectively connected with the buffer mechanism 1, the speed sensor 4 and the retarding mechanism 3 in a communication manner.
Speed sensor 4 is used for responding to elevator functioning speed, when taking place to fall the gliding, and speed is accelerated, and at this moment, speed sensor 4 sends signal transmission to controller, sends the instruction to buffer gear 1 and retarding mechanism 3 through the controller, operates both actions to guarantee the fail safe nature of elevator gliding in-process. The elastic component 7 and the electromagnetic component in the buffer mechanism 1 form a double buffer effect, so that the elevator can obtain sufficient buffer and fixing effects when falling to the bottom, and the safety performance is improved; carry out reliable friction between 2 lateral walls of elevator car and the well lateral wall through retarding mechanism 3, reduce the speed that the elevator glided rapidly, avoid the perpendicular of elevator to fall, improve the security performance, guarantee passenger's safety in the elevator.
Buffer gear 1 is including pre-buried mount pad 5 in elevator well bottom, set up at the positive electromagnetic component 6 at mount pad 5 both ends and set up the elastic component 7 between two positive electromagnetic components 6, elevator car 2's bottom outer wall both ends be provided with positive electromagnetic component 6 assorted negative electromagnetic component 8, be provided with between two negative electromagnetic component 8 with elastic component 7 joint complex card seat subassembly 9, positive electromagnetic component 6 and negative electromagnetic component 8 respectively with controller communication connection. The positive electromagnetic assembly 6 and the negative electromagnetic assembly 8 can form a magnetic attraction or rebound effect, the descending speed of the elevator is slowed down, and when the elevator descends to the lowest place, the elevator is attracted and fixed through the magnetic assemblies, so that the stabilizing effect is improved.
The positive electromagnetic assembly 6 and the negative electromagnetic assembly 8 respectively comprise a fixing plate 10, an electromagnetic seat 11 arranged on the fixing plate 10 and a direct-current power supply in communication connection with the electromagnetic seat 11, and the electromagnetic seat 11 and the direct-current power supply are in communication connection with the controller respectively.
An arc-shaped bulge is arranged on the electromagnetic seat 11 of the positive electromagnetic component 6, and an arc-shaped groove matched with the arc-shaped bulge is arranged on the electromagnetic seat 11 of the negative electromagnetic component 8.
The ends of the first and second telescopic elements 13 and 14 extend through the support plate 12 and are fixedly connected to the side walls of the elevator car 2.
The controller comprises a power supply module, a signal receiving module and an instruction output module, the speed sensor 4 is in communication connection with the signal receiving module, and the direct-current power supply, the first telescopic piece 13 and the second telescopic piece 14 are in communication connection with the instruction output module respectively.
The first and second telescopic elements 13, 14 each comprise an electric cylinder which penetrates the support plate 12 and is fixedly arranged on the elevator car 2, and a friction wheel 15 arranged at the end of the piston rod of the electric cylinder. The friction wheel 15 is provided with a friction texture on the surface.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The protection device for preventing the elevator from sliding downwards is characterized by comprising a buffer mechanism (1) arranged at the bottom of an elevator shaft, a retarding mechanism (3) arranged on the side wall of an elevator car (2), a speed sensor (4) arranged on the side wall of the elevator car (2) and a controller which is in communication connection with the buffer mechanism (1), the speed sensor (4) and the retarding mechanism (3) respectively;
the buffer mechanism (1) comprises a mounting seat (5) pre-buried at the bottom of the elevator shaft, positive electromagnetic assemblies (6) arranged at two ends of the mounting seat (5) and an elastic assembly (7) arranged between the two positive electromagnetic assemblies (6), negative electromagnetic assemblies (8) matched with the positive electromagnetic assemblies (6) are arranged at two ends of the outer wall of the bottom of the elevator car (2), a clamping seat assembly (9) in clamping fit with the elastic assembly (7) is arranged between the two negative electromagnetic assemblies (8), and the positive electromagnetic assemblies (6) and the negative electromagnetic assemblies (8) are respectively in communication connection with the controller; the positive electromagnetic assembly (6) and the negative electromagnetic assembly (8) can form a magnetic attraction or rebound effect, the descending speed of the elevator is slowed down, and when the elevator descends to the lowest position, the elevator is attracted and fixed through the magnetic assemblies;
the positive electromagnetic assembly (6) and the negative electromagnetic assembly (8) respectively comprise a fixing plate (10), an electromagnetic seat (11) arranged on the fixing plate (10) and a direct-current power supply in communication connection with the electromagnetic seat (11), and the electromagnetic seat (11) and the direct-current power supply are in communication connection with the controller respectively; an arc-shaped bulge is arranged on the electromagnetic seat (11) of the positive electromagnetic assembly (6), and an arc-shaped groove matched with the arc-shaped bulge is arranged on the electromagnetic seat (11) of the negative electromagnetic assembly (8).
2. The elevator downward sliding prevention protection device according to claim 1, wherein the retarding mechanism (3) comprises a support plate (12) arranged on the peripheral side wall of the elevator car (2) and a first telescopic part (13) and a second telescopic part (14) respectively arranged on the support plate (12), an included angle is formed between the first telescopic part (13) and the second telescopic part (14), the first telescopic part (13) and the second telescopic part (14) are abutted against the inner wall of the hoistway to form a triangular structure, and the first telescopic part (13) and the second telescopic part (14) are both in communication connection with the controller.
3. The elevator downward-slippage prevention protection device of claim 2, wherein an end of the first expansion member (13) and an end of the second expansion member (14) both extend through the support plate (12) and are fixedly connected to a side wall of the elevator car (2).
4. The elevator downslide prevention protection device as claimed in claim 3, wherein the controller comprises a power supply module, a signal receiving module and a command output module, the speed sensor (4) is in communication connection with the signal receiving module, and the direct current power supply, the first telescopic member (13) and the second telescopic member (14) are in communication connection with the command output module respectively.
5. The elevator downslide prevention protection device as claimed in claim 4, wherein the first telescoping member (13) and the second telescoping member (14) each comprise an electric cylinder and a friction wheel (15) disposed at an end of a piston rod of the electric cylinder, the electric cylinder penetrating the support plate (12) and fixedly disposed on the elevator car (2).
6. The elevator downslide prevention protection device of claim 5, wherein the friction wheel (15) surface is provided with a friction texture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011630377.7A CN112723089B (en) | 2020-12-31 | 2020-12-31 | Prevent elevator gliding protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011630377.7A CN112723089B (en) | 2020-12-31 | 2020-12-31 | Prevent elevator gliding protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112723089A CN112723089A (en) | 2021-04-30 |
| CN112723089B true CN112723089B (en) | 2022-06-21 |
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ID=75608338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011630377.7A Active CN112723089B (en) | 2020-12-31 | 2020-12-31 | Prevent elevator gliding protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112723089B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104627774A (en) * | 2014-12-23 | 2015-05-20 | 苏州施耐德电梯有限公司 | Forced landing protection device of elevator |
| CN108328451A (en) * | 2018-01-24 | 2018-07-27 | 中建七局第二建筑有限公司 | A kind of elevator buffer device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE521817C2 (en) * | 2000-11-02 | 2003-12-09 | Alimak Ab | Safety arrangements at the elevator |
| CN106629302A (en) * | 2016-11-21 | 2017-05-10 | 宁波大学 | Anti-falling speed reducing device of elevator |
| CN106629305A (en) * | 2016-11-21 | 2017-05-10 | 宁波大学 | Anti-falling mechanism of lifting elevator |
| CN207983943U (en) * | 2017-11-03 | 2018-10-19 | 无锡齐恩科技有限公司 | A kind of automobile die automatic positioning extrusion forming device |
| CN207581104U (en) * | 2017-12-18 | 2018-07-06 | 康达电梯有限公司 | A kind of car braking system |
| CN109230941A (en) * | 2018-10-12 | 2019-01-18 | 苏州福特美福电梯有限公司 | A kind of highly-safe elevator |
| CN109132774A (en) * | 2018-10-19 | 2019-01-04 | 苏州福特美福电梯有限公司 | A kind of elevator emergency brake device |
| CN111332910A (en) * | 2020-03-16 | 2020-06-26 | 阿帕狮龙电梯科技（苏州）有限公司 | Novel elevator car frame |
| CN111204633A (en) * | 2020-03-31 | 2020-05-29 | 河南省龙基建设工程有限公司 | Elevator shaft car buffer device |
-
2020
- 2020-12-31 CN CN202011630377.7A patent/CN112723089B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104627774A (en) * | 2014-12-23 | 2015-05-20 | 苏州施耐德电梯有限公司 | Forced landing protection device of elevator |
| CN108328451A (en) * | 2018-01-24 | 2018-07-27 | 中建七局第二建筑有限公司 | A kind of elevator buffer device |
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| Publication number | Publication date |
|---|---|
| CN112723089A (en) | 2021-04-30 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240704 Address after: 314001 Room 301, building 9, No. 1332, Wanguo Road, Jiaxing Economic and Technological Development Zone, Zhejiang Province Patentee after: Zhejiang Sujie Elevator Co.,Ltd. Country or region after: China Address before: 610000 Shuanghua Road, Southwest Airport Economic Development Zone, Shuangliu District, Chengdu, Sichuan Patentee before: SURAPID ELEVATOR Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |