CN204079143U - Elevator safety protection device - Google Patents
Elevator safety protection device Download PDFInfo
- Publication number
- CN204079143U CN204079143U CN201420616004.8U CN201420616004U CN204079143U CN 204079143 U CN204079143 U CN 204079143U CN 201420616004 U CN201420616004 U CN 201420616004U CN 204079143 U CN204079143 U CN 204079143U
- Authority
- CN
- China
- Prior art keywords
- torsion spring
- emergency braking
- elevator
- rotating disk
- 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.)
- Withdrawn - After Issue
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- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model discloses a kind of elevator safety protection device, comprise 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 emergency braking apparatus is installed on elevator hoistways sidewall, comprises emergency braking apparatus body, electromagnet, electromagnetic relay, brake rod, spring, block.The utility model 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.
Description
Technical field
The utility model relates to lift facility field, particularly relates 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.
Utility model content
The purpose of this utility model there are provided a kind of elevator safety protection device, solves the problem of the potential safety hazard existed in elevator working process.
For achieving the above object, the technical solution of the utility model 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 that the utility model provides, following technique effect can be realized: the utility model 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 utility model 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 utility model embodiment, 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 utility model embodiment.
Fig. 2 is the structural representation of the torsion spring winder of a kind of elevator safety protection device disclosed in the utility model embodiment.
Fig. 3 is the structural representation of the emergency braking apparatus of a kind of elevator safety protection device disclosed in the utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
Composition graphs 1, Fig. 2, Fig. 3, the utility model 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 utility model 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 when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model 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 (4)
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 length be elevator when being in lowermost layer elevator car roof to the distance of described rotating disk.
3. 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.
4. 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 |
|---|---|---|---|
| CN201420616004.8U CN204079143U (en) | 2014-10-23 | 2014-10-23 | Elevator safety protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420616004.8U CN204079143U (en) | 2014-10-23 | 2014-10-23 | Elevator safety protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204079143U true CN204079143U (en) | 2015-01-07 |
Family
ID=52171881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420616004.8U Withdrawn - After Issue CN204079143U (en) | 2014-10-23 | 2014-10-23 | Elevator safety protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204079143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261227A (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 CN201420616004.8U patent/CN204079143U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261227A (en) * | 2014-10-23 | 2015-01-07 | 苏州新达电扶梯部件有限公司 | Elevator safety protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |