CN202296791U - Electric escalator reversion preventing device - Google Patents
Electric escalator reversion preventing device Download PDFInfo
- Publication number
- CN202296791U CN202296791U CN2011204362272U CN201120436227U CN202296791U CN 202296791 U CN202296791 U CN 202296791U CN 2011204362272 U CN2011204362272 U CN 2011204362272U CN 201120436227 U CN201120436227 U CN 201120436227U CN 202296791 U CN202296791 U CN 202296791U
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- Prior art keywords
- disc
- semi
- near switch
- support
- escalator
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- Expired - Fee Related
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Abstract
The utility model discloses an electric escalator reversion preventing device, which comprises a semicircular disk and at least two stagger proximity switches separate from and opposite to the semicircular disk, wherein the semicircular disk is connected on a traction wheel end cover and rotates with a traction wheel, and the output ends of the proximity switches are connected with the signal input end of a controller. The electric escalator reversion preventing device of the utility model has the advantages of capability of monitoring the operation state, preventing the inversion of the elevator, and monitoring the operation speed of the elevator in real time, simple structure, low cost and good protection effect. Meanwhile, a non-contact detection mode is utilized for effectively avoiding the noise generation.
Description
Technical field
The utility model relates to a kind of electric escalator anti-kickback device.
Background technology
The safety performance on escalator, footway obtains paying attention to day by day, and anti-reversal protection has two kinds of forms at present, and a kind of is mechanical type, and a kind of is the electric switch formula.Present most electric switch formula is prevented reversal protection, and a most detector switch or rotary encoders of adopting detect.But there is following drawback in this dual mode at present:
1. the anti-reversal protection adjustment of mechanical type more complicated is adjusted and is easy to generate the generation noise when not in place.
2. what electrical switch was difficult to real meaning reaches service direction and speed monitoring.
But the rotary encoder detection side to speed, but cost is high.
Summary of the invention
Be technical deficiency more than solving, it is a kind of simple in structure that the utility model provides, and cost is low, the anti-good electric escalator anti-kickback device of reversing effect.
The utility model is realized through following measure:
A kind of electric escalator anti-kickback device of the utility model, comprise semi-disc and with semi-disc at interval
And relative at least two staggered near switch, said semi-disc is connected on the traction sheave end cap and with traction sheave and rotates, the said signal input part that is connected with controller near the on-off signal mouth.
Above-mentioned semi-disc opposite is fixed with support, saidly is two and is arranged on the support near switch.
Above-mentioned support is horizontal T shape, one near switch be arranged on support the upper end and can with vertical semi-disc arc top relatively, another is arranged on mid-stent left end and can be relative with the base angle of vertical semi-disc near switch.
The beneficial effect of the utility model is:
Not only can monitor running state simultaneously and prevent that elevator from reversing but also can monitor the running velocity of elevator in real time.Simple in structure, cost is low, protects effective.While is because adopt non-contact detection, but actv. is avoided generation of noise.
Description of drawings
Fig. 1 is the main TV structure scheme drawing of the utility model after installing.
Fig. 2 is the construction profile scheme drawing of the utility model after installing.
Fig. 3 is the main TV structure scheme drawing of the utility model.
Fig. 4 is the construction profile scheme drawing of the utility model.
Among the figure: 1. support, 2. near switch A, 3. near switch B, 4. semi-disc, 5. end cap, 6. traction sheave, 7. towing machine.
The specific embodiment
Like Fig. 1,2,3, shown in 4; A kind of electric escalator anti-kickback device of the utility model; Comprise semi-disc 4 and with semi-disc 4 at interval and relative at least two staggered near switch, semi-disc 4 is connected on the end cap 5 of traction sheave, towing machine 7 drives traction sheaves 6 and rotates; Semi-disc 4 rotates with traction sheave 6, is connected with the signal input part of controller near the on-off signal mouth.Semi-disc 4 opposites are fixed with support 1, and support 1 can be fixed on the truss, are two and are arranged on the support 1 near switch.Support 1 is horizontal T shape, near switch A2 be arranged on support 1 the upper end and can with vertical semi-disc 4 arcs top relatively, be arranged on support 1 middle part left end and can be relative near switch B3 with the base angle of vertical semi-disc 4.
Its principle of work is: escalator is when operation, and semi-disc 4 rotates, and by detecting the sequencing that arrives semi-disc 4 near switch A2 with near switch B3, signal is sent to controller, and controller is determined service direction in proper order through contrast.The initial state of collecting the validity signal is set to detect semi-disc 4 beginnings simultaneously near switch A2 with near switch B3.And detect near switch A2 with near switch B3 and detect time of semi-disc 4, controller compares the detection time during with the rotating speed of the time of collecting and Theoretical Calculation, thereby whether definite rotating speed is in normal range.
Situation one:
Detect semi-disc 4 earlier near switch A2, show that equipment is in uplink state, this signal will transfer to controller, compare with the selected service direction of equipment key switch.Inconsistent like direction, equipment is with out of service.
Situation two:
Under the normal up running state, prior to detecting semi-disc 4 near switch B3, change near switch B3 detecting semi-disc 4 near switch A2 earlier near switch A2 suddenly into, it is non-operating reversed to conclude that equipment takes place this moment, and controller moves arrestment.
Situation three:
Under the normal descending running state, the time that detects semi-disc 4 near switch A2 is shorter than the detected time of Theoretical Calculation, and conclude the equipment overspeed operation this moment, and controller moves arrestment.
The foregoing description is said to be in order to specify this patent; Though describe through specific term in the literary composition; But can not limit the protection domain of this patent with this; The personage who is familiar with this technical field can change or revise it after the spirit of understanding this patent and principle and reach equivalent purpose, and this equivalence change and modification all should be covered by the claim scope and define in the category.
Claims (3)
1. electric escalator anti-kickback device; It is characterized in that: comprise semi-disc and with semi-disc at interval and relative at least two staggered near switch; Said semi-disc is connected on the traction sheave end cap and with traction sheave and rotates, the said signal input part that is connected with controller near the on-off signal mouth.
2. according to the said electric escalator of claim 1 anti-kickback device, it is characterized in that: said semi-disc opposite is fixed with support, saidly is two and is arranged on the support near switch.
3. according to the said electric escalator of claim 2 anti-kickback device; It is characterized in that: said support is horizontal T shape; One near switch be arranged on support the upper end and can with vertical semi-disc arc top relatively, another is arranged on mid-stent left end and can be relative with the base angle of vertical semi-disc near switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204362272U CN202296791U (en) | 2011-11-07 | 2011-11-07 | Electric escalator reversion preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204362272U CN202296791U (en) | 2011-11-07 | 2011-11-07 | Electric escalator reversion preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202296791U true CN202296791U (en) | 2012-07-04 |
Family
ID=46365730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204362272U Expired - Fee Related CN202296791U (en) | 2011-11-07 | 2011-11-07 | Electric escalator reversion preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202296791U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935971A (en) * | 2012-11-29 | 2013-02-20 | 康力电梯股份有限公司 | Anti-reversion detection device of escalator |
| CN103010920A (en) * | 2012-12-25 | 2013-04-03 | 江南嘉捷电梯股份有限公司 | Device for preventing reversing and motor overspeeding of escalator or moving pavement |
| CN103010919A (en) * | 2012-12-25 | 2013-04-03 | 江南嘉捷电梯股份有限公司 | Device for preventing reversing and motor overspeeding of escalator or moving pavement |
| US11078050B2 (en) | 2018-02-23 | 2021-08-03 | Otis Elevator Company | Speed detection device and passenger conveyer device |
-
2011
- 2011-11-07 CN CN2011204362272U patent/CN202296791U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935971A (en) * | 2012-11-29 | 2013-02-20 | 康力电梯股份有限公司 | Anti-reversion detection device of escalator |
| CN103010920A (en) * | 2012-12-25 | 2013-04-03 | 江南嘉捷电梯股份有限公司 | Device for preventing reversing and motor overspeeding of escalator or moving pavement |
| CN103010919A (en) * | 2012-12-25 | 2013-04-03 | 江南嘉捷电梯股份有限公司 | Device for preventing reversing and motor overspeeding of escalator or moving pavement |
| CN103010919B (en) * | 2012-12-25 | 2014-08-20 | 江南嘉捷电梯股份有限公司 | Device for preventing reversing and motor overspeeding of escalator or moving pavement |
| US11078050B2 (en) | 2018-02-23 | 2021-08-03 | Otis Elevator Company | Speed detection device and passenger conveyer device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20131107 |