CN102320514A - Safety braking method of automatic escalator and device - Google Patents
Safety braking method of automatic escalator and device Download PDFInfo
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- CN102320514A CN102320514A CN201110266706A CN201110266706A CN102320514A CN 102320514 A CN102320514 A CN 102320514A CN 201110266706 A CN201110266706 A CN 201110266706A CN 201110266706 A CN201110266706 A CN 201110266706A CN 102320514 A CN102320514 A CN 102320514A
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- braking
- sprocket wheel
- control housing
- escalator
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- 230000002159 abnormal effect Effects 0.000 claims abstract description 18
- 230000001939 inductive effect Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The invention discloses a safety braking method of an automatic escalator, which is characterized by comprising the following steps of: adopting a sensor to detect the abnormal condition of the automatic escalator and/or passengers, transmitting feedback signals of the sensor to a control cabinet to cut off a power supply of a motor for braking, and carrying out locked braking on a chain wheel connected with the motor. In the invention, a double-braking mode is adopted for the occurring abnormal condition of the automatic escalator and the passengers, so that the inverse operation of the escalator is avoided and the safety of the passengers is ensured.
Description
Technical field
The present invention relates to a kind of method and device of braking, especially a kind of safety braking method and device that is used for escalator.
Background technology
At present, along with The development in society and economy, escalator progressively incorporates in numerous people's life, is widely used in public places such as market, overline bridge.
The drive mechanism of escalator is installed in the sprocket wheel on the sprocket shaft mainly by the motor-driven sprocket shaft thereby drive, and then drives step, fishback and handrail action.At present, during general elevator generation abnormal condition, just carry out motor braking through cutting off motor power, brake measure is comparatively single, situation such as elevator drives in the wrong direction may occur, and can't guarantee passenger safety.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of escalator safety braking method and device.The present invention adopts the double brake mode to the abnormal condition of escalator and passenger's appearance, avoids elevator to drive in the wrong direction, and guarantees passenger's safety.
For solving the problems of the technologies described above; Technical scheme of the present invention is following: a kind of escalator safety braking method; Adopt sensor escalator and/or passenger's abnormal condition; The feedback signal of sensor is transferred to control housing and then cuts off the motor power braking, and the sprocket wheel that connects motor is carried out braking with locked wheels.
In the aforesaid escalator safety braking method; The abnormal condition of said employing sensor escalator also transfer to the feedback signal of sensor control housing and then cut off the method for motor power braking; Be through inductive switch detect the sinking of step chain break or elongation, driving chain break or elongation, step, apron plate stress deformation or fishback after when moving, with the feedback signal of inductive switch transfer to control housing so that cut off motor power and through drg to motor braking.
In the aforesaid escalator safety braking method; Said employing sensor passenger's abnormal condition also transfer to the feedback signal of sensor control housing and then cut off the method for motor power braking; It is the surface pressure of when the rising of step or decline stage, responding to step in real time through the pressure sensor that is installed in step surface; And pressure data transferred to control housing judge whether exist to change confirming whether the passenger unusual, and confirm that unusual back cuts off motor power and through drg to motor braking.
In the aforesaid escalator safety braking method, the method that said sprocket wheel to the connection motor carries out braking with locked wheels is to clamp the friction lining of the two sides that are installed in sprocket wheel by clamping clip, thereby realize the sprocket wheel braking with locked wheels.
Safety catch according to aforesaid escalator safety braking method realization; Comprise sprocket wheel locking device; It is characterized in that: described sprocket wheel locking device comprises pressure sensor that is installed in step surface and the control housing that is connected pressure sensor, and control housing is mounted on the latching device on the sprocket wheel.
In the aforesaid escalator safety catch, said control housing receives the data of pressure sensor through bus; Said control housing comprises a treater, and treater determines whether to exist abnormal condition, and in this way, the pressure data of then said treater response pressure sensor sends signal to latching device and motor.
In the aforesaid escalator safety catch; Described latching device comprises the sprocket shaft that is arranged on centre of sprocket; Be provided with two friction linings that are positioned at the sprocket wheel both sides through bearing on the sprocket shaft; Every friction lining is fixed on the sprocket wheel through attaching screw, and the friction lining top is provided with the clamping clip that is used to clamp friction lining, and clamping clip is connected with control housing.
Beneficial effect of the present invention: compared with prior art; The present invention can not only detect escalator the sinking of step chain break or elongation, driving chain break or elongation, step, apron plate stress deformation or fishback after move, but also can detect passenger's abnormal condition situation such as (as) falling down, tumble and clamp in real time, in time escalator is braked; Guarantee that as far as possible the passenger's is safe in utilization; And, can avoid driving in the wrong direction of elevator through cutting off motor power and clamping sprocket wheel and carry out double brake, retro-speed is fast; Good braking effect, safe and reliable.Latching device of the present invention is implemented simple in structure, and deceleration and stopping performance is good, and the work capacity of assembling is less, and the stress and deformation of friction lining less (stress deformation is less than 2mm).
Description of drawings
Fig. 1 is a latching device scheme drawing of the present invention;
Fig. 2 is a fundamental diagram of the present invention.
Being labeled as in the accompanying drawing: 1-sprocket wheel, 2-clamping clip, 3-attaching screw, 4-friction lining, 5-sprocket shaft, 6-bearing.
Below in conjunction with the specific embodiment the present invention is further described, embodiment of the present invention is not limited to following embodiment, and the various variations of under the prerequisite that does not break away from aim of the present invention, making all belong within protection scope of the present invention.
The specific embodiment
Embodiment.A kind of escalator safety braking method; It is characterized in that: the abnormal condition that adopt sensor escalator and/or passenger; The feedback signal of sensor is transferred to control housing and then cuts off the motor power braking, and the sprocket wheel that connects motor is carried out braking with locked wheels.
The abnormal condition of said employing sensor escalator also transfer to the feedback signal of sensor control housing and then cut off the method for motor power braking; Be through inductive switch detect the sinking of step chain break or elongation, driving chain break or elongation, step, apron plate stress deformation or fishback after when moving, with the feedback signal of inductive switch transfer to control housing so that cut off motor power and through drg to motor braking.
Said sagging braking method to step is to rotate to the kickplate shake-up touching lever drive block hitting of step to make switch motion, cuts off motor power and passes through drg to motor braking.
Said stress deformation braking method to the apron plate; Be to be separately installed with 2 safety switchs at the upper and lower horizontal segment of escalator; Make apron plate stress deformation in the time of in the apron plate receives step or foreign matter entering step and apron sheet separation; Cause the safety switch action, cut off motor power and pass through drg motor braking.
Said to moving braking method behind the fishback; Be in the back of upper and lower fishback two safety switchs (left and right) to be arranged respectively, when fishback received the thrust of 750N, fishback moved backward; Make the safety switch action, cut off motor power and pass through drg motor braking.
Said employing sensor passenger's abnormal condition also transfer to the feedback signal of sensor control housing and then cut off the method for motor power braking; It is the surface pressure of when the rising of step or decline stage, responding to step in real time through the pressure sensor that is installed in step surface; And pressure data transferred to control housing judge whether exist to change confirming whether the passenger unusual, and confirm that unusual back cuts off motor power and through drg to motor braking.As in taking the process of escalator; When situation such as the passenger occur falling down, tumbles and clamps, the pressure sensor of step surface can be sensed sudden changes in pressure, confirms that with this abnormal condition appear in the passenger; Definite unusual back cuts off motor power and passes through drg to motor braking; Simultaneously the sprocket wheel that connects motor is carried out braking with locked wheels, make elevator stop at once, protect passenger's life security as far as possible.
The method that said sprocket wheel to the connection motor carries out braking with locked wheels is to clamp the friction lining of the two sides that are installed in sprocket wheel by clamping clip, thereby realize the sprocket wheel braking with locked wheels.
Safety catch according to aforesaid escalator safety braking method realization; Comprise sprocket wheel locking device; It is characterized in that: described sprocket wheel locking device comprises pressure sensor that is installed in step surface and the control housing that is connected pressure sensor, and control housing is mounted on the latching device on the sprocket wheel.
Said control housing is communicated by letter with a plurality of bus nodes through bus, and each bus node receives the data from least one sensor, like the data of pressure sensor etc.; Said control housing comprises a treater, and treater determines whether to exist abnormal condition, and in this way, the pressure data of then said treater response pressure sensor sends signal to latching device and motor.
Described latching device; As shown in Figure 1; Described latching device comprises the sprocket shaft 5 that is arranged on sprocket wheel 1 center, is provided with two friction linings 4 that are positioned at sprocket wheel 1 both sides through bearing 6 on the sprocket shaft 5, and every friction lining 4 is fixed on the sprocket wheel 1 through attaching screw 3; Friction lining 4 tops are provided with the clamping clip 2 that is used to clamp friction lining, and clamping clip 2 is connected with control housing.
Principle of work of the present invention is as shown in Figure 2; The present invention adopt inductor respond to respectively the stress deformation of the sinking of step chain break or elongation, driving chain break or elongation, step, apron plate, fishback after move or the situation of the pressure of step surface; Arrive control housing through a plurality of bus nodes through bus transfer; Control housing is made action after through processor processes data; Cut off motor power and pass through drg, and clamp the friction lining of the two sides that are installed in sprocket wheel, thereby realize the sprocket wheel braking with locked wheels through clamping clip to motor braking.
Claims (7)
1. escalator safety braking method; It is characterized in that: the abnormal condition that adopt sensor escalator and/or passenger; The feedback signal of sensor is transferred to control housing and then cuts off the motor power braking, and the sprocket wheel that connects motor is carried out braking with locked wheels.
2. escalator safety braking method according to claim 1; It is characterized in that: the abnormal condition of said employing sensor escalator also transfer to the feedback signal of sensor control housing and then cut off the method for motor power braking; Be through inductive switch detect the sinking of step chain break or elongation, driving chain break or elongation, step, apron plate stress deformation or fishback after when moving, with the feedback signal of inductive switch transfer to control housing so that cut off motor power and through drg to motor braking.
3. escalator safety braking method according to claim 1; It is characterized in that: said employing sensor passenger's abnormal condition also transfer to the feedback signal of sensor control housing and then cut off the method for motor power braking; It is the surface pressure of when the rising of step or decline stage, responding to step in real time through the pressure sensor that is installed in step surface; And pressure data transferred to control housing judge whether exist to change confirming whether the passenger unusual, and confirm that unusual back cuts off motor power and through drg to motor braking.
4. escalator safety braking method according to claim 1 is characterized in that: the method that said sprocket wheel to the connection motor carries out braking with locked wheels is to clamp the friction lining of the two sides that are installed in sprocket wheel by clamping clip, thereby realize the sprocket wheel braking with locked wheels.
5. the safety catch of realizing according to the described escalator safety braking method of the arbitrary claim of claim 1-4; Comprise sprocket wheel locking device; It is characterized in that: described sprocket wheel locking device comprises pressure sensor that is installed in step surface and the control housing that is connected pressure sensor, and control housing is mounted on the latching device on the sprocket wheel.
6. escalator safety catch according to claim 5 is characterized in that: said control housing receives the data of pressure sensor through bus; Said control housing comprises a treater, and treater determines whether to exist abnormal condition, and in this way, the pressure data of then said treater response pressure sensor sends signal to latching device and motor.
7. escalator safety catch according to claim 5; It is characterized in that: described latching device comprises the sprocket shaft (5) that is arranged on sprocket wheel (1) center; Sprocket shaft (5) is gone up and is provided with two friction linings (4) that are positioned at sprocket wheel (1) both sides through bearing (6); Every friction lining (4) is fixed on the sprocket wheel (1) through attaching screw (3), and friction lining (4) top is provided with the clamping clip (2) that is used to clamp friction lining, and clamping clip (2) is connected with control housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110266706A CN102320514A (en) | 2011-09-09 | 2011-09-09 | Safety braking method of automatic escalator and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110266706A CN102320514A (en) | 2011-09-09 | 2011-09-09 | Safety braking method of automatic escalator and device |
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| CN102320514A true CN102320514A (en) | 2012-01-18 |
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| CN201110266706A Pending CN102320514A (en) | 2011-09-09 | 2011-09-09 | Safety braking method of automatic escalator and device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863933A (en) * | 2014-01-24 | 2014-06-18 | 菱电电梯有限公司 | Control method and control system for escalator |
| CN105151994A (en) * | 2015-09-10 | 2015-12-16 | 上海斐讯数据通信技术有限公司 | Escalator early warning method and system |
| CN105174014A (en) * | 2015-09-27 | 2015-12-23 | 徐国俊 | Obliquely-arranged civil thermal image analyzer mechanism |
| CN105197758A (en) * | 2015-09-27 | 2015-12-30 | 徐国俊 | Signal-transmission type motor sudden stop control system |
| CN105217432A (en) * | 2015-09-27 | 2016-01-06 | 徐国俊 | Thermal imagery helper motor runs control mechanism |
| CN105253762A (en) * | 2015-09-26 | 2016-01-20 | 李海江 | Array arrangement type multi-point rapid stop device |
| CN107324195A (en) * | 2017-07-21 | 2017-11-07 | 佛山科学技术学院 | A kind of handrail elevator exigency stop system |
| CN107500101A (en) * | 2017-07-21 | 2017-12-22 | 佛山科学技术学院 | A kind of handrail elevator exigency stop system starts method |
| TWI644846B (en) * | 2015-01-27 | 2018-12-21 | 日商三菱電機大樓技術服務股份有限公司 | Escalator |
| US10183843B2 (en) | 2016-07-29 | 2019-01-22 | Otis Elevator Company | Monitoring of step rollers and maintenance mechanics of passenger conveyors |
| KR102510538B1 (en) * | 2022-12-20 | 2023-03-15 | (주)대륜엘리스 | System for operating synchronous motor of escalator |
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| JP2010208825A (en) * | 2009-03-11 | 2010-09-24 | Toshiba Elevator Co Ltd | Auxiliary brake device of passenger conveyor |
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- 2011-09-09 CN CN201110266706A patent/CN102320514A/en active Pending
Patent Citations (7)
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| CN1386106A (en) * | 2000-08-18 | 2002-12-18 | 因温特奥股份公司 | Method and apparatus for monitoring the teeth of comb plate for passenger converter |
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| CN1895986A (en) * | 2006-06-26 | 2007-01-17 | 巨人通力电梯有限公司 | Non-operating reversed and overspeed protector for automatic staircase or pavement |
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| JP2010208825A (en) * | 2009-03-11 | 2010-09-24 | Toshiba Elevator Co Ltd | Auxiliary brake device of passenger conveyor |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863933A (en) * | 2014-01-24 | 2014-06-18 | 菱电电梯有限公司 | Control method and control system for escalator |
| TWI644846B (en) * | 2015-01-27 | 2018-12-21 | 日商三菱電機大樓技術服務股份有限公司 | Escalator |
| CN105151994A (en) * | 2015-09-10 | 2015-12-16 | 上海斐讯数据通信技术有限公司 | Escalator early warning method and system |
| CN105151994B (en) * | 2015-09-10 | 2017-08-04 | 上海斐讯数据通信技术有限公司 | A kind of escalator method for early warning and system |
| CN105253762A (en) * | 2015-09-26 | 2016-01-20 | 李海江 | Array arrangement type multi-point rapid stop device |
| CN105174014A (en) * | 2015-09-27 | 2015-12-23 | 徐国俊 | Obliquely-arranged civil thermal image analyzer mechanism |
| CN105197758A (en) * | 2015-09-27 | 2015-12-30 | 徐国俊 | Signal-transmission type motor sudden stop control system |
| CN105217432A (en) * | 2015-09-27 | 2016-01-06 | 徐国俊 | Thermal imagery helper motor runs control mechanism |
| US10183843B2 (en) | 2016-07-29 | 2019-01-22 | Otis Elevator Company | Monitoring of step rollers and maintenance mechanics of passenger conveyors |
| CN107324195A (en) * | 2017-07-21 | 2017-11-07 | 佛山科学技术学院 | A kind of handrail elevator exigency stop system |
| CN107500101A (en) * | 2017-07-21 | 2017-12-22 | 佛山科学技术学院 | A kind of handrail elevator exigency stop system starts method |
| KR102510538B1 (en) * | 2022-12-20 | 2023-03-15 | (주)대륜엘리스 | System for operating synchronous motor of escalator |
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Application publication date: 20120118 |