CN104261227A - Elevator safety protection device - Google Patents
Elevator safety protection device Download PDFInfo
- Publication number
- CN104261227A CN104261227A CN201410569105.9A CN201410569105A CN104261227A CN 104261227 A CN104261227 A CN 104261227A CN 201410569105 A CN201410569105 A CN 201410569105A CN 104261227 A CN104261227 A CN 104261227A
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- CN
- China
- Prior art keywords
- torsion spring
- elevator
- rotating disk
- emergency braking
- braking apparatus
- 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.)
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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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses an elevator safety protection device which comprises a torsion spring winding machine installed in a machine room above an elevator shaft and an emergent braking device installed on the elevator shaft. The torsion spring winding machine comprises a machine body, a torsion spring, a torsion spring cavity, a turntable, a rotation speed sensor, a fixed shaft and a rope. The emergent braking device is installed on the side wall of the elevator shaft and comprises an emergent braking device body, an electromagnet, an electromagnetic relay, a braking rod, a spring and a stopping block. The elevator safety protection device is reasonable in structure, can eliminate potential safety hazard of an elevator in running and effectively achieves emergent braking when an elevator car runs at abnormal too-high speed or drops.
Description
Technical field
The present invention relates to lift facility field, particularly relate to a kind of elevator safety protection device.
Background technology
Elevator is as the equipment being elevated shipper or goods, and for human lives provides great convenience, the scope simultaneously used is also more and more wider.But be present in very large potential safety hazard in elevator runs, the safety prevention measure of current elevator mainly coordinates with towing machine, is realized the effect of safety precaution by monitor towing machine, emergency braking etc.But draw for elevator the cable draged to rupture, generally there is no good protective action.
Summary of the invention
The object of the present invention is to provide a kind of elevator safety protection device, solve the problem of the potential safety hazard existed in elevator working process.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of elevator safety protection device, comprises the torsion spring winder be installed on above elevator hoistways in machine room and the emergency braking apparatus be installed on elevator hoistways; Described torsion spring winder comprises body, torsion spring, torsion spring chamber, rotating disk, tachogen, dead axle, cotton rope; Described body is fixed in machine room by holding-down bolt; Described torsion spring chamber is positioned on described body, and is provided with described dead axle in described torsion spring chamber; Described torsion spring chamber is stretched out in described dead axle one end; Described torsion spring is installed in described torsion spring chamber, and one end of described torsion spring is fixed on described dead axle; Described rotating disk is installed on by described torsion spring chamber side by side, and can be movably set on described dead axle around described fixed-axis rotation; Described rotating disk is provided with a machine tongue, described machine tongue stretches into described torsion spring chamber; The other end of described torsion spring is fixed on described machine tongue, for described rotating disk provides turning effort; Described dead axle is provided with described tachogen, and the detecting head of described tachogen contacts with described rotating disk; Described cotton rope is coiled on described rotating disk, and one end is fixed on described rotating disk, and the other end is fixed on the top of lift car.Described emergency braking apparatus is installed on elevator hoistways sidewall, comprises emergency braking apparatus body, electromagnet, electromagnetic relay, brake rod, spring, block; What described brake rod also can be rotated around high strength bolt by high strength bolt is installed on described emergency braking apparatus body; Described block is installed on described emergency braking apparatus body, is positioned at below described brake rod, is from vertical within the scope of 90 ° of level attitude to limit the slewing area of described brake rod; Described spring one end is connected with described brake rod, and the other end is connected with described emergency braking apparatus body; Described electromagnet is installed on described emergency braking apparatus body, contacts when described brake rod is in vertical position with described electromagnet; Described electromagnetic relay is installed on below described electromagnet, controls the switch of described electromagnet.
Preferably, described cotton rope material is PA6(nylon 6).
Preferably, described cotton rope length be elevator when being in lowermost layer elevator car roof to the distance of described rotating disk.
Preferably, described torsion spring winder is also provided with the band-type brake of rotating disk described in emergency braking.
Preferably, in elevator hoistways, described emergency braking apparatus vertically arranges one every 3 meters.
Pass through technique scheme, a kind of elevator safety protection device provided by the invention, following technique effect can be realized: the present invention connects lift car and torsion spring winder by cotton rope, by the monitoring to torsion spring winder rotating speed, realize the detection to elevator cage operation speed, when running velocity is too fast or when the cable generation fracture car of traction car falls, tachogen transmission of signal is to electromagnetic relay, electromagnetic relay disconnects the power supply of electromagnet, brake rod is in horizontality, realizes braking to lift car.The present invention is rational in infrastructure, can eliminate the operating potential safety hazard of elevator, and actv. realizes emergency braking when elevator cage operation occurs abnormal excessive velocities or falls.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described.
Fig. 1 is the structural representation of a kind of elevator safety protection device disclosed in the embodiment of the present invention.
Fig. 2 is the structural representation of the torsion spring winder of a kind of elevator safety protection device disclosed in the embodiment of the present invention.
Fig. 3 is the structural representation of the emergency braking apparatus of a kind of elevator safety protection device disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
Composition graphs 1, Fig. 2, Fig. 3, the present invention is a kind of elevator safety protection device, comprises the torsion spring winder 4 be installed on above elevator hoistways 1 in machine room 2 and the emergency braking apparatus 5 be installed on elevator hoistways 1; Described torsion spring winder 4 comprises body 6, torsion spring 10, torsion spring chamber 7, rotating disk 8, tachogen 12, dead axle 9, cotton rope 21; Described body 6 is fixed in machine room 2 by holding-down bolt; Described torsion spring chamber 7 is positioned on described body 6, and is provided with described dead axle 9 in described torsion spring chamber 7; Described torsion spring chamber 7 is stretched out in described dead axle 9 one end; Described torsion spring 10 is installed in described torsion spring chamber 7, and one end of described torsion spring 10 is fixed on described dead axle 9; It is other that described rotating disk 8 is installed on described torsion spring chamber 7 side by side, and can rotate around described dead axle 9 be movably set on described dead axle 9; Described rotating disk 8 is provided with a machine tongue 11, described machine tongue 11 stretches into described torsion spring chamber 7; The other end of described torsion spring 10 is fixed on described machine tongue 11, for described rotating disk 8 provides turning effort; Described dead axle 9 is provided with described tachogen 12, and the detecting head of described tachogen 12 contacts with described rotating disk 8; Described cotton rope 21 is coiled on described rotating disk 8, and one end is fixed on described rotating disk 8, and the other end is fixed on the top of lift car 3.Described emergency braking apparatus 5 is installed on elevator hoistways 1 sidewall, comprises emergency braking apparatus body 14, electromagnet 17, electromagnetic relay 16, brake rod 15, spring 18, block 19; What described brake rod 15 also can be rotated around high strength bolt 20 by high strength bolt 20 is installed on described emergency braking apparatus body 14; Described block 19 is installed on described emergency braking apparatus body 14, is positioned at below described brake rod 15, is from vertical within the scope of 90 ° of level attitude to limit the slewing area of described brake rod 15; Described spring 18 one end is connected with described brake rod 15, and the other end is connected with described emergency braking apparatus body 14; Described electromagnet 17 is installed on described emergency braking apparatus body 14, contacts when described brake rod 15 is in vertical position with described electromagnet 17; Described electromagnetic relay 16 is installed on below described electromagnet 17, controls the switch of described electromagnet 17.
The further preferred version of the present embodiment, described cotton rope 21 material is PA6(nylon 6); Described cotton rope 21 length be elevator when being in lowermost layer lift car 3 top to the distance of rotating disk 8; Described torsion spring winder 4 is also provided with the band-type brake 13 of emergency braking rotating disk 8; In elevator hoistways, described emergency braking apparatus 5 vertically arranges one every 3 meters.
Specific works process of the present invention is as follows: under the absorption of electromagnet 17, be in vertical state during brake rod 15 initial condition of emergency braking apparatus 5; Cotton rope 21 one end is fixed on described rotating disk 8, the other end is fixed on the top of lift car 3, and when lift car 3 operates, described rotating disk 8 rotates under the traction of cotton rope thereupon, by the measurement of described tachogen 12 to described rotating disk 8 rotating speed, the running velocity of lift car 3 can be monitored; When described tachogen 12 monitor lift car 3 there is abnormal overspeed time, signal is transmitted to described electromagnetic relay 16 by described tachogen 12, electromagnetic relay 16 controls electromagnet 17 and cuts out, brake rod 15 is in horizontality under the promotion of 18 of spring, stop elevator cab movement, realize emergency braking, Accident prevention occurs.
To be apparent for those skilled in the art to the multiple amendment of embodiment, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. an elevator safety protection device, is characterized in that, comprises the torsion spring winder be installed on above elevator hoistways in machine room and the emergency braking apparatus be installed on elevator hoistways; Described torsion spring winder comprises body, torsion spring, torsion spring chamber, rotating disk, tachogen, dead axle, cotton rope; Described body is fixed in machine room by holding-down bolt; Described torsion spring chamber is positioned on described body, and is provided with described dead axle in described torsion spring chamber; Described torsion spring chamber is stretched out in described dead axle one end; Described torsion spring is installed in described torsion spring chamber, and one end of described torsion spring is fixed on described dead axle; Described rotating disk is installed on by described torsion spring chamber side by side, and can be movably set on described dead axle around described fixed-axis rotation; Described rotating disk is provided with a machine tongue, described machine tongue stretches into described torsion spring chamber; The other end of described torsion spring is fixed on described machine tongue, for described rotating disk provides turning effort; Described dead axle is provided with described tachogen, and the detecting head of described tachogen contacts with described rotating disk; Described cotton rope is coiled on described rotating disk, and one end is fixed on described rotating disk, and the other end is fixed on the top of lift car; Described emergency braking apparatus is installed on elevator hoistways sidewall, comprises emergency braking apparatus body, electromagnet, electromagnetic relay, brake rod, spring, block; What described brake rod also can be rotated around high strength bolt by high strength bolt is installed on described emergency braking apparatus body; Described block is installed on described emergency braking apparatus body, is positioned at below described brake rod, is from vertical within the scope of 90 ° of level attitude to limit the slewing area of described brake rod; Described spring one end is connected with described brake rod, and the other end is connected with described emergency braking apparatus body; Described electromagnet is installed on described emergency braking apparatus body, contacts when described brake rod is in vertical position with described electromagnet; Described electromagnetic relay is installed on below described electromagnet, controls the switch of described electromagnet.
2. elevator safety protection device according to claim 1, is characterized in that, described cotton rope material is PA6.
3. elevator safety protection device according to claim 1, is characterized in that, described cotton rope length be elevator when being in lowermost layer elevator car roof to the distance of described rotating disk.
4. elevator safety protection device according to claim 1, is characterized in that, described torsion spring winder is also provided with the band-type brake of rotating disk described in emergency braking.
5. elevator safety protection device according to claim 1, is characterized in that, in elevator hoistways, described emergency braking apparatus vertically arranges one every 3 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410569105.9A CN104261227B (en) | 2014-10-23 | 2014-10-23 | A kind of elevator safety protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410569105.9A CN104261227B (en) | 2014-10-23 | 2014-10-23 | A kind of elevator safety protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104261227A true CN104261227A (en) | 2015-01-07 |
| CN104261227B CN104261227B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410569105.9A Active CN104261227B (en) | 2014-10-23 | 2014-10-23 | A kind of elevator safety protection device |
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| Country | Link |
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| CN (1) | CN104261227B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692386A (en) * | 2016-05-09 | 2016-06-22 | 陈勇 | Device for preventing elevator car body from rushing out of roof of elevator shaft |
| CN107055251A (en) * | 2017-06-24 | 2017-08-18 | 陈魏魏 | A kind of building hoist with safety guard |
| CN107285154A (en) * | 2017-08-01 | 2017-10-24 | 凯尔菱电（山东）电梯有限公司 | Fall stopper during elevator reparing |
| CN112299187A (en) * | 2019-07-31 | 2021-02-02 | 湖南大举信息科技有限公司 | Safety device for elevator without traction steel wire rope and multi-car elevator system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0743273A1 (en) * | 1995-05-18 | 1996-11-20 | Inventio Ag | Stop device for preventing drift of an elevator car |
| US5713434A (en) * | 1995-07-07 | 1998-02-03 | Otis Elevator Company | Elevator safety system |
| CN2447312Y (en) * | 2000-10-17 | 2001-09-12 | 虞戟 | Floor-levelling block for elevator car |
| CN201354279Y (en) * | 2008-12-30 | 2009-12-02 | 上海市松江二中 | Elevator with out-of-control protective device |
| CN203513025U (en) * | 2013-05-23 | 2014-04-02 | 姚长云 | Elevator with car tension spring buffer unit |
| CN204079143U (en) * | 2014-10-23 | 2015-01-07 | 苏州新达电扶梯部件有限公司 | Elevator safety protection device |
-
2014
- 2014-10-23 CN CN201410569105.9A patent/CN104261227B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0743273A1 (en) * | 1995-05-18 | 1996-11-20 | Inventio Ag | Stop device for preventing drift of an elevator car |
| US5713434A (en) * | 1995-07-07 | 1998-02-03 | Otis Elevator Company | Elevator safety system |
| CN2447312Y (en) * | 2000-10-17 | 2001-09-12 | 虞戟 | Floor-levelling block for elevator car |
| CN201354279Y (en) * | 2008-12-30 | 2009-12-02 | 上海市松江二中 | Elevator with out-of-control protective device |
| CN203513025U (en) * | 2013-05-23 | 2014-04-02 | 姚长云 | Elevator with car tension spring buffer unit |
| CN204079143U (en) * | 2014-10-23 | 2015-01-07 | 苏州新达电扶梯部件有限公司 | Elevator safety protection device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692386A (en) * | 2016-05-09 | 2016-06-22 | 陈勇 | Device for preventing elevator car body from rushing out of roof of elevator shaft |
| CN107055251A (en) * | 2017-06-24 | 2017-08-18 | 陈魏魏 | A kind of building hoist with safety guard |
| CN107285154A (en) * | 2017-08-01 | 2017-10-24 | 凯尔菱电（山东）电梯有限公司 | Fall stopper during elevator reparing |
| CN112299187A (en) * | 2019-07-31 | 2021-02-02 | 湖南大举信息科技有限公司 | Safety device for elevator without traction steel wire rope and multi-car elevator system |
| CN112299187B (en) * | 2019-07-31 | 2022-04-19 | 湖南大举信息科技有限公司 | Safety device for elevator without traction steel wire rope and multi-car elevator system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104261227B (en) | 2016-08-17 |
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