CN102180401B - Stair loss detection device for escalator - Google Patents
Stair loss detection device for escalator Download PDFInfo
- Publication number
- CN102180401B CN102180401B CN 201110143239 CN201110143239A CN102180401B CN 102180401 B CN102180401 B CN 102180401B CN 201110143239 CN201110143239 CN 201110143239 CN 201110143239 A CN201110143239 A CN 201110143239A CN 102180401 B CN102180401 B CN 102180401B
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- Prior art keywords
- escalator
- pivot arm
- stair
- detection device
- bearing plate
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims description 3
- 239000000523 sample Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 230000001960 triggered effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
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Abstract
The invention discloses a stair loss detection device for an escalator. The stair loss detection device comprises a fixed supporting board, a rotary arm which is rotatably arranged on the supporting board, a rolling piece which is arranged at one end of the rotary arm and pressed against the side face of a stair in a rolling way, an elastic piece which is arranged between the rotary arm and the supporting board and capable of providing an elastic restoring force for the rotary arm so that the rotary arm is driven to rotate when the stair is lost, and a contact switch which is fixed and rotated to be contacted with the rotary arm to send a signal for stopping running the escalator. When stairs exist continuously, the rolling piece on the rotary arm can be stably pressed against the side faces of the stairs through the elastic piece, and a gap is formed between the rotary arm and the contact switch, the contact switch is not triggered and the escalator runs stably; and when a stair is lost, the rolling piece is pressed against nothing and the elastic restoring force of the elastic piece rotates the rotary arm, the contact switch is triggered to send a signal for stopping running the escalator. The detection device is combined by mechanical components; compared with the detection device adopting photoelectric probes, the detection device is low in cost, convenient in installation and reliable in use.
Description
Technical field
the present invention relates to stair loss detection device for escalator.
Background technology
the step of escalator is the movable parts of standing for the passenger, and the step of escalator staircase when normal the use is arranged on dragging chain and in company with the chain cycle operation continuously.In fact, escalator one or several steps of will dismantling when repair and maintenance sometimes, if the repair and maintenance personnel forget step reinstalled after repair and maintenance, the step on chain is not just to have arranged continuously so, namely there will be neutral.Now the passenger is in the process of boarding, and very possible one rides into neutral, produces very serious safety misadventure.How to detect for this reason and whether have the existence of neutral step just to seem especially important, in the prior art, whether the step loss detecting device generally adopts the form of photoelectric probe to detect neutral, cost compare is high so on the one hand, very high to the installation requirement of probe on the other hand, probe and the gap of step can not too greatly can not be too little, exceeded too greatly the detection range of probe, too little easy and step produces collision, causes the damage of probe.
Summary of the invention
the purpose of this invention is to provide mechanical type step loss detecting device on escalator, when step exists, by elastic component, make the rolling member on pivot arm stably conflict in the step side, now contact switch is not touched; When step loss, the elastic-restoring force by elastic component makes pivot arm rotate, and touches contact switch, and escalator is out of service, and this mechanical detecting device cost is low, easy for installation, uses reliable.
for achieving the above object, the technical solution used in the present invention is: stair loss detection device for escalator, comprise the stay bearing plate be fixedly installed, rotation is arranged on the pivot arm on described stay bearing plate, be arranged on the rolling member that can rollably conflict on the step side in an end of described pivot arm, the elastic component that drives this pivot arm to rotate is provided between described pivot arm and described stay bearing plate in the time of can providing this pivot arm elastic-restoring force to make step loss, the described pivot arm that is fixedly installed and can be rotated touches and then sends the contact switch that stops described escalator operation signal.
preferably, described elastic component adopts can be compressed between described pivot arm and described stay bearing plate and makes the stable spring of conflicting on the step side of described rolling member.
further preferably, be fixedly installed guidepost on described stay bearing plate, offer perforation on described pivot arm, described guidepost can rotate to carry out the corresponding described perforation of passing movably along with described pivot arm, and described guidepost is arranged with described spring on the position between described stay bearing plate and described pivot arm.
preferably, described stay bearing plate is fixedly installed on the truss of described escalator.
preferably, described contact switch is fixedly installed on the truss of described escalator by support.
preferably, described rolling member adopts roller, and the axial line of described roller parallels with the rotational axis line of described pivot arm, and all the above-below direction along described escalator extends.
as a kind of concrete embodiment, described roller has two, and two described rollers are arranged side by side up and down on described pivot arm, and described two roller coaxial inner conductors arrange.
utilization due to technique scheme, the present invention compared with prior art has following advantages: when the step continued presence, by elastic component, make the rolling member on pivot arm stably conflict on the side of step, there is gap between pivot arm and contact switch, contact switch is not touched, the staircase smooth running; When step occurs to lose, rolling member does not have the parts that can conflict, and the elastic-restoring force of elastic component makes pivot arm rotate, and contact switch is touched, and sends signal and makes escalator out of service.This detecting device adopts that mechanical part is combined to be formed, and compare and adopt the detecting device of photoelectric probe with low cost, and easy for installation, use reliable.
The accompanying drawing explanation
accompanying drawing 1 is schematic top plan view one of the present invention, wherein step continued presence;
accompanying drawing 2 is schematic top plan view two of the present invention, and wherein step is lost;
accompanying drawing 3 is schematic side view of the present invention.
The specific embodiment
further set forth structure of the present invention below in conjunction with accompanying drawing.
shown in Fig. 1-3, stair loss detection device for escalator, on an end that comprise the stay bearing plate 1 that is fixedly installed, rotate the pivot arm 2 that is arranged on stay bearing plate 1, is arranged on pivot arm 2 and the rolling member 3 on step 7 sides of can rollably conflicting, the elastic component 4 that drives pivot arm 2 to rotate is provided between pivot arm 2 and stay bearing plate 1 in the time of can providing pivot arm 2 elastic-restoring forces to make step loss, then pivot arm 2 shake-up that are fixedly installed and can be rotated send the contact switch 5 that stops this escalator operation signal.When the step continued presence, as shown in Figure 1, rolling member 3 is conflicted and is constantly rolled on the side of step 7, and, in impaction state, there is gap in elastic component 4 between pivot arm 2 and contact switch 5, and contact switch 5 is not touched; When step occurs to lose, as shown in Figure 2, rolling member 3 breaks away from the side of step 7, lacked the parts that can conflict, the restoring force of elastic component 4 makes pivot arm 2 rotate, and pivot arm 2 rotates and makes its top touch contact switch 5, thereby send signal, this escalator is out of service.This detecting device adopts that mechanical part is combined to be formed, and compare and adopt the detecting device of photoelectric probe with low cost, and easy for installation, use reliable.
shown in Fig. 1-2, elastic component 4 adopts can be compressed between pivot arm 2 and stay bearing plate 1 and makes the stable spring of conflicting on step 7 sides of rolling member 3, the fixing guidepost 6 that is provided with on stay bearing plate 1, offer perforation on pivot arm 2, guidepost 6 can carry out the corresponding above-mentioned perforation of passing movably along with pivot arm 2 rotates, and above-mentioned spring is set in guidepost 6 on the position between stay bearing plate 1 and pivot arm 2.
shown in Fig. 1-3, stay bearing plate 1 is fixedly installed on the truss 9 of this escalator, contact switch 5 is fixedly installed on by support 8 on the truss of this escalator, and setting can make this stair loss detection device for escalator stable in the process of using, reliable like this.
shown in Fig. 1-3, rolling member 3 adopts roller, and the axial line of this roller parallels with the rotational axis line of pivot arm 2, and all the above-below direction along escalator extends, make like this staircase can rollably contact mutually with mobile step 7 at the process roller of operation, as shown in Figure 3.Roller adopts two, these two rollers are arranged side by side up and down on pivot arm 2, and coaxial inner conductor setting, as shown in Figure 3, adopt two rollers to be equivalent to increase the thickness of roller, because can stagger between the step 7 that adjacent continuous is arranged, have diff-H, adopt two rollers to make roller when step 7 continuous arrangement operation stably to keep in touch with step 7 sides, make detecting device steadily reliable.
Claims (7)
1. stair loss detection device for escalator is characterized in that: an end that comprise the stay bearing plate that is fixedly installed, rotate the pivot arm that is arranged on described stay bearing plate, is arranged on described pivot arm can rollably conflict rolling member on the step side, the elastic component that drives this pivot arm to rotate is provided between described pivot arm and described stay bearing plate in the time of can providing this pivot arm elastic-restoring force to make step loss, then the described pivot arm shake-up that is fixedly installed and can be rotated sends the contact switch that stops described escalator operation signal.
2. stair loss detection device for escalator according to claim 1 is characterized in that: described elastic component adopts can be compressed between described pivot arm and described stay bearing plate and makes the spring of the stable conflict of described rolling member on the step side.
3. stair loss detection device for escalator according to claim 2, it is characterized in that: on described stay bearing plate, be fixedly installed guidepost, offer perforation on described pivot arm, described guidepost can rotate to carry out the corresponding described perforation of passing movably along with described pivot arm, and described guidepost is arranged with described spring on the position between described stay bearing plate and described pivot arm.
4. stair loss detection device for escalator according to claim 1, it is characterized in that: described stay bearing plate is fixedly installed on the truss of described escalator.
5. stair loss detection device for escalator according to claim 1, it is characterized in that: described contact switch is fixedly installed on the truss of described escalator by support.
6. stair loss detection device for escalator according to claim 1 is characterized in that: described rolling member adopts roller, and the axial line of described roller parallels with the rotational axis line of described pivot arm, all along the above-below direction extension of described escalator.
7. stair loss detection device for escalator according to claim 6, it is characterized in that: described roller has two, and two described rollers are arranged side by side up and down on described pivot arm, and two described roller coaxial inner conductors arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110143239 CN102180401B (en) | 2011-05-31 | 2011-05-31 | Stair loss detection device for escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110143239 CN102180401B (en) | 2011-05-31 | 2011-05-31 | Stair loss detection device for escalator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102180401A CN102180401A (en) | 2011-09-14 |
| CN102180401B true CN102180401B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110143239 Expired - Fee Related CN102180401B (en) | 2011-05-31 | 2011-05-31 | Stair loss detection device for escalator |
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| Country | Link |
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| CN (1) | CN102180401B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398846A (en) * | 2011-11-28 | 2012-04-04 | 江南嘉捷电梯股份有限公司 | Safety device for lifting plate of escalator or moving sidewalk |
| CN102424323B (en) * | 2011-11-28 | 2013-10-09 | 苏州富士电梯有限公司 | Handrail belt dropping detection device on escalator or moving walk |
| CN102583145A (en) * | 2012-01-19 | 2012-07-18 | 快速电梯有限公司 | Mechanical footboard loss detecting device and passenger conveyor with same |
| CN102838034B (en) * | 2012-09-19 | 2015-04-22 | 苏州富士电梯有限公司 | Handrail strap speed measuring device of escalator or moving pavement |
| CN103223639B (en) * | 2013-04-25 | 2015-04-15 | 重庆衡山机械有限责任公司 | Riding wheel transmission mechanism |
| CN103395679B (en) * | 2013-07-30 | 2015-10-14 | 江南嘉捷电梯股份有限公司 | A kind of escalator or footway fender guard |
| KR101892372B1 (en) * | 2014-01-06 | 2018-08-27 | 미쓰비시덴키 가부시키가이샤 | Missing step detection device for passenger conveyor |
| CN112660973B (en) * | 2020-12-23 | 2023-03-14 | 厦门市特种设备检验检测院 | Step safety detection device of escalator |
| CN112660972B (en) * | 2020-12-23 | 2023-03-28 | 厦门市特种设备检验检测院 | Escalator safety detection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201102854Y (en) * | 2007-10-26 | 2008-08-20 | 广州日立电梯有限公司 | Escalator chain testing apparatus |
| CN101259937A (en) * | 2008-01-22 | 2008-09-10 | 上海新时达电气有限公司 | Detecting method for staircase step deletion |
| CN201132723Y (en) * | 2007-11-12 | 2008-10-15 | 广州日立电梯有限公司 | Escalator step detection device |
| CN201777768U (en) * | 2010-04-15 | 2011-03-30 | 蒂森克虏伯扶梯(中国)有限公司 | A detection device for steps and step chains of escalators and moving walks |
| CN201825631U (en) * | 2010-10-25 | 2011-05-11 | 昆山通祐电梯有限公司 | Missing step detection device of escalator |
| CN202144419U (en) * | 2011-05-31 | 2012-02-15 | 苏州富士电梯有限公司 | Escalator step missing detection apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010123490A1 (en) * | 2009-04-20 | 2010-10-28 | Otis Elevator Company | A device and method for detecting a missing step of a conveyor |
-
2011
- 2011-05-31 CN CN 201110143239 patent/CN102180401B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201102854Y (en) * | 2007-10-26 | 2008-08-20 | 广州日立电梯有限公司 | Escalator chain testing apparatus |
| CN201132723Y (en) * | 2007-11-12 | 2008-10-15 | 广州日立电梯有限公司 | Escalator step detection device |
| CN101259937A (en) * | 2008-01-22 | 2008-09-10 | 上海新时达电气有限公司 | Detecting method for staircase step deletion |
| CN201777768U (en) * | 2010-04-15 | 2011-03-30 | 蒂森克虏伯扶梯(中国)有限公司 | A detection device for steps and step chains of escalators and moving walks |
| CN201825631U (en) * | 2010-10-25 | 2011-05-11 | 昆山通祐电梯有限公司 | Missing step detection device of escalator |
| CN202144419U (en) * | 2011-05-31 | 2012-02-15 | 苏州富士电梯有限公司 | Escalator step missing detection apparatus |
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| Publication number | Publication date |
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| CN102180401A (en) | 2011-09-14 |
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Effective date of registration: 20180423 Address after: 215122 Suzhou Industrial Park, Suzhou Province, the only new road, No. 28, Jiangsu Patentee after: Jiangnan Jiajie Lift Co., Ltd., Jiangsu Address before: 718 No. 215122 Jiangsu Province, Suzhou City Industrial Park Fengting Avenue Patentee before: Suzhou Fushi Elevator Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20200531 |