CN105800441A - Safety protection device on escalator or passenger conveyor - Google Patents
Safety protection device on escalator or passenger conveyor Download PDFInfo
- Publication number
- CN105800441A CN105800441A CN201610239042.XA CN201610239042A CN105800441A CN 105800441 A CN105800441 A CN 105800441A CN 201610239042 A CN201610239042 A CN 201610239042A CN 105800441 A CN105800441 A CN 105800441A
- Authority
- CN
- China
- Prior art keywords
- escalator
- moving sidewalk
- stay cord
- parts
- pull switch
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
- B66B29/005—Applications of security monitors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B27/00—Indicating operating conditions of escalators or moving walkways
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- Escalators And Moving Walkways (AREA)
Abstract
The invention discloses a safety protection device on an escalator or a passenger conveyor. The safety protection device on the escalator or passenger conveyor comprises a pull rope and a pull rope switch, wherein the pull rope extends along the length direction of the escalator or passenger conveyor and is arranged below a stair or pedal, one end of the pull rope is fixed, and the other end of the pull rope is connected with the pull rope switch; and the pull rope switch is provided with a triggering component, a pulling-out triggering section, a normal working section and a retraction triggering section are successively arranged on the stroke of the triggering component from outside to inside, and when the stair or pedal is in a sinking state or the pull rope is broken, the pull rope switch can send out a signal of stopping the escalator or passenger conveyor. By the safety protection device on the escalator or passenger conveyor, the stair or pedal on the escalator or passenger conveyor can be detected in the whole process, and safety of passengers is guaranteed effectively. Moreover, the safety protection device on the escalator or passenger conveyor is stable and reliable in operation, small in occupied space, flexible in mounting and convenient to maintain and repair.
Description
Technical field
The present invention relates to the safety guard on a kind of escalator or moving sidewalk, especially a kind of detect step for escalator or moving sidewalk whole process or safety guard that pedal sink.
Background technology
In prior art; the protection device that the anti-step of escalator or moving sidewalk or pedal sink can only sink at certain region detection to step or pedal; as realized the omnidistance detection of escalator or moving sidewalk; then need more detection switch is installed; not only cost of manufacture is higher; and trouble is installed, safeguard and maintenance is also inconvenient.
Summary of the invention
In order to overcome the defect of prior art, it is an object of the invention to provide a kind of simple in construction, convenient for installation and maintenance, can realize staircase or footpath whole process detection anti-step or pedal sink protection device.
In order to achieve the above object; the present invention provides the safety guard on a kind of escalator or moving sidewalk; it is characterized in that: it includes stay cord and pull switch; described stay cord extends, along the length direction of escalator or moving sidewalk, the lower section being arranged in step or pedal; its one end is fixed, and its other end is connected with described pull switch；Described pull switch is provided with for connecting described stay cord the shake-up parts driving switch contact to move, the stroke of described shake-up parts has pull-out from outside to inside successively and triggers section, normal operation section and triggering section of retracting, when described step or pedal are in sagging state, described stay cord is pressed down and described shake-up parts is drawn out to described pull-out and triggers section, and described pull switch is triggered and sends the signal of escalator described in stop or moving sidewalk；When described escalator or moving sidewalk are in normal operating conditions, described shake-up parts are positioned at described normal operation section, and described pull switch is not triggered；When described stay cord ruptures, described shake-up parts are retracted inwardly to described retraction and trigger section, and described pull switch is triggered and sends the signal of escalator described in stop or moving sidewalk.
Preferably, present invention additionally comprises and arrange on described stay cord for adjusting the tensioner of described stay cord tensioning degree.Pull switch self is with having the elastic component making shake-up parts have retraction trend, tensioner is for adjusting the tensioning degree of stay cord, so that touching parts to trigger section and the normal operation section triggered between section of retracting in pull-out when escalator or moving sidewalk are in normal operating conditions.Normal operation section is a stroke paragraph with inner side extreme position and lateral limit position, when touching parts and being in the trip paragraph, pull switch can't be made to trigger, and pull switch will not export the signal of stop escalator or moving sidewalk.Only when touch parts be pulled outwardly move to be in after exceeding lateral limit position pull-out trigger section time, pull switch is just triggered, or when being in retraction after touching parts and being retracted inwardly to by elastic component to exceed inner side extreme position and triggering section, pull switch is just triggered.
Wherein, described stay cord is divided into detection part and coupling part, and described tensioner is connected between described detection part and described coupling part, and described coupling part connects described tensioner and described shake-up parts.
In one embodiment, described tensioner includes regulating wheel and a pair threaded connector at the two ends respectively through threaded described regulating wheel, one of them described threaded connector is connected with described detection part, and another described threaded connector is connected with described coupling part.
Wherein, safety guard on described escalator or moving sidewalk also includes spaced pushing out ring of multiple length directions along described escalator or moving sidewalk, and one end that described stay cord is connected with described escalator or moving sidewalk is movable successively to be connected with fixing farthest away from a pushing out ring described in of described pull switch after described pushing out ring of mid portion.
In an embodiment, described stay cord is steel wire rope.
The operation principle of the safety guard on the escalator of the present invention or footpath is: stay cord is arranged in below step or pedal along the length direction of escalator or moving sidewalk, when step and pedal are pressed under stay cord when sinking, pull on pull switch by stay cord, the shake-up parts of pull switch are drawn out to pull-out and trigger section thus triggering pull switch action, send and make escalator or footpath signal out of service, the omnidistance detection that step or the pedal of escalator or moving sidewalk are sunk by realization, escalator or footpath are played better protective effect；When stay cord ruptures, the parts that touch of pull switch bounce back to retraction under the effect of elastic component and trigger section thus triggering pull switch action, send and make escalator or moving sidewalk signal out of service.
Owing to technique scheme is used, the present invention can realize the omnidistance detection that step or pedal sink, and detection when realizing stay cord fracture, guarantee passenger safety, and the present invention is stable and reliable in work, less costly, take up room little, flexible for installation, Maintenance and Repair convenience, not easily lost efficacy.
Accompanying drawing explanation
Fig. 1 is the present invention structural representation in the sagging state of step or pedal.
Fig. 2 is the present invention structural representation in the sagging state of step or pedal.
Fig. 3 is the present invention structural representation when stay cord ruptures.
In accompanying drawing: 1-stay cord；2-regulating wheel；3-dop；4-pull switch；5-props up pushing out ring；21-threaded connector；41-touches parts；401-lateral limit position；Extreme position inside 402-.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Refer to Fig. 1 to Fig. 3; a kind of safety guard on escalator or moving sidewalk; it includes stay cord 1 and pull switch 4; stay cord 1 extends, along the length direction of escalator or moving sidewalk, the lower section being arranged in step or pedal; its one end is fixedly connected on escalator or moving sidewalk; can also being fixed on construction wall, its other end is connected with described pull switch 4.Pull switch 4 is provided with for connecting stay cord 1 the shake-up parts 41 driving switch contact to move, and touches parts 41 and has pull-out triggering section, normal operation section and triggering section of retracting on the stroke pulled by stay cord 1 from outside to inside successively.The stay cord 1 of the present embodiment adopts steel wire rope, pull switch 4 to be arranged on the upper horizontal segment of escalator or moving sidewalk.Connecting in order to convenient, the outer end touching parts 41 is provided with a connection ring.
As shown in Figure 1, normal operation section is a stroke paragraph with inner side extreme position 402 and lateral limit position 401, the present embodiment touches the work surface of parts 41 at inner face, when the inner face touching parts 41 is in the stroke paragraph between inner side extreme position 402 and lateral limit position 401 (comprising inner side extreme position 402 and lateral limit position 401), pull switch 4 can't be made to trigger, and pull switch 4 will not export the signal of stop escalator or moving sidewalk.Only when shake-up parts 41 are pulled outwardly dynamic, until the inner face touching parts 41 is in pull-out triggering section after exceeding lateral limit position 401 time, pull switch 4 is just triggered, or inwardly retracted by elastic component when touching parts 41, until touch parts 41 inner face to exceed inner side extreme position 402 after be in retraction trigger section time, pull switch 4 is just triggered.
Present invention additionally comprises and arrange on stay cord 1 for adjusting the tensioner of stay cord 1 tensioning degree, pull switch 4 self is with having the elastic component making shake-up parts 41 have retraction trend, tensioner is for adjusting the tensioning degree of stay cord 1, so that touching parts 41 when escalator or moving sidewalk are in normal operating conditions, trigger section and the normal operation section triggered between section of retracting in pull-out.Wherein, described stay cord 1 is divided into detection part and coupling part, and described tensioner is connected between detection part and coupling part, and coupling part connects described tensioner and described shake-up parts 41.Specifically, described tensioner includes regulating wheel 2 and a pair threaded connector 21 at the two ends respectively through threaded regulating wheel 2, and one of them threaded connector 21 is connected with detection part, and another threaded connector 21 is connected with coupling part.
Wherein, safety guard on escalator or moving sidewalk also includes spaced pushing out ring 5 of multiple length directions along escalator or moving sidewalk; one end that stay cord 1 is connected with described escalator or moving sidewalk movable fixing with one pushing out ring 5 farthest away from described pull switch 4 after a pushing out ring 5 of mid portion successively is connected, and the end that stay cord 1 is connected with a pushing out ring 5, threaded connector 21 or pull switch 4 is all passed through dop 3 and fixed.
As shown in Figure 1; under normal condition; step and pedal do not sink; the tensile force of the elastic force of the elastic component carried in pull switch 4 and stay cord 1 is in poised state; touch parts 41 and be in normal operation section; touching the inner face of parts 41 between lateral limit position 401 and inner side extreme position 402, pull switch 4 is not triggered, and can't send stopping signal.
Refer to Fig. 2, as shown by arrows, when step or pedal sink, such as when one of them step or pedal sink, step or pedal drop on stay cord 1, the shake-up parts 41 of pull switch 4 are produced bigger pulling force by stay cord 1 pressurized, this pulling force overcomes the elastic force of the elastic component of pull switch 4 self, and shake-up parts 41 are pulled out to pull-out triggering section, the inner face touching parts 41 is positioned at the outside of lateral limit position 401, and pull switch 4 is triggered and sends and make escalator or moving sidewalk signal out of service.
Refer to Fig. 3, when stay cord is subject to External Force Acting fracture, the pulling force of pull switch 4 is disappeared by stay cord 1, touch parts 41 under the elastic force effect of elastic component, be retracted to retraction triggering section, touching the inner face of parts 41 to exceed inner side and continue position 402, pull switch 4 is triggered and sends and make escalator or moving sidewalk signal out of service.
It is specifically described from above; safety guard design on the escalator of the present embodiment or moving sidewalk is ingenious; simple in construction; easy for installation; two kinds of safety protection functions can be realized; the first sends signal under step or pedal sink state makes escalator or moving sidewalk out of service, and it two is send signal under stay cord breaking state to make escalator or moving sidewalk out of service.The safety guard of the present embodiment is stable and reliable in work, it is possible to more effectively protect the safety of passenger.
Above-described embodiment is only for illustrating technology design and the feature of the present invention; its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this; can not limit the scope of the invention with this; all equivalences made according to spirit of the invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (6)
1. the safety guard on an escalator or moving sidewalk; it is characterized in that: it includes stay cord and pull switch; described stay cord extends, along the length direction of escalator or moving sidewalk, the lower section being arranged in step or pedal; its one end is fixed, and its other end is connected with described pull switch；Described pull switch is provided with for connecting described stay cord the shake-up parts driving switch contact to move, the stroke of described shake-up parts has pull-out from outside to inside successively and triggers section, normal operation section and triggering section of retracting, when described step or pedal are in sagging state, described stay cord is pressed down and described shake-up parts is drawn out to described pull-out and triggers section, and described pull switch is triggered and sends the signal of escalator described in stop or moving sidewalk；When described escalator or moving sidewalk are in normal operating conditions, described shake-up parts are positioned at described normal operation section, and described pull switch is not triggered；When described stay cord ruptures, described shake-up parts are retracted inwardly to described retraction and trigger section, and described pull switch is triggered and sends the signal of escalator described in stop or moving sidewalk.
2. the safety guard on a kind of escalator according to claim 1 or moving sidewalk, it is characterised in that: the safety guard on described escalator or moving sidewalk also includes arranging on described stay cord for adjusting the tensioner of described stay cord tensioning degree.
3. the safety guard on a kind of escalator according to claim 2 or moving sidewalk; it is characterized in that: described stay cord is divided into detection part and coupling part; described tensioner is connected between described detection part and described coupling part, and described coupling part connects described tensioner and described shake-up parts.
4. the safety guard on a kind of escalator according to claim 3 or moving sidewalk; it is characterized in that: described tensioner includes regulating wheel and a pair threaded connector at the two ends respectively through threaded described regulating wheel; one of them described threaded connector is connected with described detection part, and another described threaded connector is connected with described coupling part.
5. the safety guard on a kind of escalator according to claim 1 or moving sidewalk; it is characterized in that: the safety guard on described escalator or moving sidewalk also includes spaced pushing out ring of multiple length directions along described escalator or moving sidewalk, one end that described stay cord is connected with described escalator or moving sidewalk is movable successively to be connected with fixing farthest away from a pushing out ring described in of described pull switch after described pushing out ring of mid portion.
6. a kind of escalator according to any one in claim 1,2,3 or 5 or People's Bank of China's proof protecting device, it is characterised in that: described stay cord is steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239042.XA CN105800441B (en) | 2016-04-18 | 2016-04-18 | A kind of safety guard on escalator or moving sidewalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239042.XA CN105800441B (en) | 2016-04-18 | 2016-04-18 | A kind of safety guard on escalator or moving sidewalk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105800441A true CN105800441A (en) | 2016-07-27 |
| CN105800441B CN105800441B (en) | 2017-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610239042.XA Active CN105800441B (en) | 2016-04-18 | 2016-04-18 | A kind of safety guard on escalator or moving sidewalk |
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| Country | Link |
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| CN (1) | CN105800441B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313861A (en) * | 2018-04-28 | 2018-07-24 | 詹元 | Any position emergency stop device and staircase on staircase |
| US10981755B2 (en) | 2018-11-23 | 2021-04-20 | Otis Elevator Company | Monitoring device for a conveyor |
| CN114526775A (en) * | 2022-03-14 | 2022-05-24 | 成都市特种设备检验检测研究院 | Detection equipment for escalator and moving sidewalk |
Citations (6)
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| US4629052A (en) * | 1985-01-22 | 1986-12-16 | Mitsubishi Denki Kabushiki Kaisha | Escalator warning system |
| CN103253589A (en) * | 2013-05-07 | 2013-08-21 | 日立电梯（广州）自动扶梯有限公司 | Escalator safety detection device and detection method |
| CN103395679A (en) * | 2013-07-30 | 2013-11-20 | 江南嘉捷电梯股份有限公司 | Protective device for escalator or side pavement |
| CN203486721U (en) * | 2013-09-13 | 2014-03-19 | 浙江梅轮电扶梯成套有限公司 | Stair subsidence protective device |
| CN105035937A (en) * | 2015-08-06 | 2015-11-11 | 姜长平 | Electromechanical interlocking control method for safe scram of escalator |
| CN205709419U (en) * | 2016-04-18 | 2016-11-23 | 江南嘉捷电梯股份有限公司 | A kind of safety guard on escalator or moving sidewalk |
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2016
- 2016-04-18 CN CN201610239042.XA patent/CN105800441B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4629052A (en) * | 1985-01-22 | 1986-12-16 | Mitsubishi Denki Kabushiki Kaisha | Escalator warning system |
| CN103253589A (en) * | 2013-05-07 | 2013-08-21 | 日立电梯（广州）自动扶梯有限公司 | Escalator safety detection device and detection method |
| CN103395679A (en) * | 2013-07-30 | 2013-11-20 | 江南嘉捷电梯股份有限公司 | Protective device for escalator or side pavement |
| CN203486721U (en) * | 2013-09-13 | 2014-03-19 | 浙江梅轮电扶梯成套有限公司 | Stair subsidence protective device |
| CN105035937A (en) * | 2015-08-06 | 2015-11-11 | 姜长平 | Electromechanical interlocking control method for safe scram of escalator |
| CN205709419U (en) * | 2016-04-18 | 2016-11-23 | 江南嘉捷电梯股份有限公司 | A kind of safety guard on escalator or moving sidewalk |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313861A (en) * | 2018-04-28 | 2018-07-24 | 詹元 | Any position emergency stop device and staircase on staircase |
| US10981755B2 (en) | 2018-11-23 | 2021-04-20 | Otis Elevator Company | Monitoring device for a conveyor |
| CN114526775A (en) * | 2022-03-14 | 2022-05-24 | 成都市特种设备检验检测研究院 | Detection equipment for escalator and moving sidewalk |
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| Publication number | Publication date |
|---|---|
| CN105800441B (en) | 2017-12-12 |
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Effective date of registration: 20180207 Address after: No. 1, Exhibition Road, Jiangsu Suzhou Industrial Park, Jiangsu Patentee after: Jiangnan Jiajie Lift Co., Ltd., Jiangsu Address before: 215122 Suzhou Industrial Park, Jiangsu, the only new road, No. 28 Patentee before: SJEC Corporation |
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