CN103387176B - Safety switch structure for floor slab of escalator or moving pavement - Google Patents
Safety switch structure for floor slab of escalator or moving pavement Download PDFInfo
- Publication number
- CN103387176B CN103387176B CN201210142124.4A CN201210142124A CN103387176B CN 103387176 B CN103387176 B CN 103387176B CN 201210142124 A CN201210142124 A CN 201210142124A CN 103387176 B CN103387176 B CN 103387176B
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- Prior art keywords
- switch
- mount pad
- floor plates
- escalator
- main body
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- Escalators And Moving Walkways (AREA)
Abstract
The invention provides a safety switch structure for a floor slab of an escalator or a moving pavement, which replaces a spring rod switch as a safety switch and does not have the problem that a spring is out of work. According to the safety switch structure for the floor slab of the escalator or the moving pavement, the escalator or the moving pavement has a pit and a control system for controlling the operation of the escalator or the moving pavement; the safety switch structure comprises a limit switch, the limit switch comprises a switch main body and a switch inserting block which are mutually matched, one of the switch main body and the switch inserting block is arranged on the back of the floor slab, and the other one is arranged at the upper part of the pit; and when the floor slab is arranged at a closing position of the upper part of the pit, the switch inserting block and the switch main body are mutually matched and send a signal that the floor slab is at the closing position, to the control system, and when the floor slab is opened, the switch inserting block and the switch main body are separated and send a signal that the floor slab is at an opening position, to the control system. The safety switch structure disclosed by the invention has the advantages of simple structure and high reliability.
Description
Technical field
The present invention relates to escalator or moving sidewalk field, particularly relate to the safety switch construction of the floor plates of escalator or moving sidewalk operation end.
Background technology
Escalator is with circular flow step, for the fixing power driven equipment of the conveying people that tilts up or down.Moving sidewalk is with circular flow (board-like or belt) aisle, is not more than the fixing power driven equipment of 12 degree of conveying peoples for level or leaning angle.Usually, be pit under the floor plates of escalator or moving sidewalk, pit is built with the necessary machinery of elevator safety operation or the electric installation such as control system and drive system of such as elevator.When escalator or moving sidewalk break down need repairing time or need maintenance elevator time, the floor plates of escalator or moving sidewalk can be opened, expose the machinery in pit or electric installation, it is keeped in repair or overhauls.
In maintenance or maintenance process, falling into the generation of the contingencies such as pit when proceeding to staircase or footway end to prevent such as people, usually can stop staircase or footway.In order to the operation preventing people's maloperation from recovering staircase or footway between maintenance or turn(a)round, usually the below of floor plates is provided with spring bar switch.The principle of work of spring bar switch is for covering above pit when floor plates, when pit closes, floor plates dead spring lever switch, spring bar switch is compressed, and sends the signal of staircase or footway safety to control system, namely indicate and now normally can run elevator by sensor, when floor plates is opened, spring bar switch is in free state, then the signal that the pit sending staircase or footway by sensor is opened, to control system, namely indicates and now normally cannot run elevator.
But, use spring bar switch to there is following defect as safety switch.In most cases, spring bar switch is in compressive state, and after using for a long time, spring bar can lose efficacy because of being compressed for a long time, can not play the function of protection.
Summary of the invention
The present invention is intended to the safety switch construction proposing a kind of floor plates for escalator or moving sidewalk, that replaces spring bar switch as safety switch, and there is not the problem of spring failure.
The technical scheme of the safety switch construction of the floor plates for escalator or moving sidewalk of the present invention is: a kind of safety switch construction of the floor plates for escalator or moving sidewalk, escalator or moving sidewalk have pit and control the control system of escalator or moving sidewalk operation, comprise: limit switch, limit switch comprises the switch main body and switch inserted block that are fitted to each other, one of them of switch main body and switch inserted block is arranged on the back side of floor plates, another is arranged on pit top, when floor plates is positioned at the make position on pit top, switch inserted block and switch main body are fitted to each other and send floor plates signal in the close position to control system, when floor plates is opened, switch inserted block and switch main body depart from and send floor plates signal in an open position to control system.
Adopt safety switch construction provided by the present invention, do not use spring bar, the problem that spring bar lost efficacy can not be occurred after long-time use.And the technology of limit switch is quite ripe, and commercially have multiple known limit switch to select, reliability is high.
The configuration structure of safety switch construction of the present invention is simple, only need to arrange at the back side of pit top and floor plates respectively switch main body and switch inserted block one of them, when floor plates is positioned at the make position of closed pit, switch main body and switch inserted block are fitted to each other, send floor plates signal in the close position to control system, can normally run escalator or moving sidewalk.When floor plates is opened, switch main body and switch inserted block separated from one another, send floor plates signal in an open position to control system, therefore elevator can not normally run.
The floor plates of escalator and moving sidewalk uses this safeguard construction, can overhaul or maintenance escalator and moving sidewalk time, prevent floor plates from opening, but the situation that staircase and footway are but normally run, avoid the generation of contingency.
Further, switch main body is arranged on the first mount pad, and switch inserted block is arranged on the second mount pad.First mount pad and the second mount pad are arranged on the back side of pit top and floor plates respectively.
Directly at pit top and the floor plates back side mounting limit switch of escalator or moving sidewalk, higher to the requirement of erection work, and the switch main body of limit switch and switch inserted block are separately positioned on the first mount pad and the second mount pad, will the installation of limit switch be simplified.Mount pad selects plate-shaped metal material to support usually, and it is easy to process the hole for installing, and the area of the first mount pad and the second mount pad can be selected as required, and it increases erection space, decreases installation difficulty.And mount pad is generally tabular, be easy to assemble with pit top and the floor plates back side.
Further, the first mount pad is provided with the first location division for position-sensing switch main body, the second mount pad is provided with the second location division for position-sensing switch inserted block.
This first mount pad and the second mount pad process above-mentioned first location division, the second location division in advance, makes the position of easier positioning limit switch in installation process.
Further, the first mount pad and the second mount pad are provided with the guiding mechanism of working in coordination.
First mount pad and the second mount pad arrange guiding mechanism, can guide and be arranged on switch main body on the first mount pad and the second mount pad respectively and switch inserted block is fitted to each other.
Further, the pilot hole that guiding mechanism is guidepost and coordinates with guidepost, guidepost and pilot hole one of them be arranged on the first mount pad, another is arranged on the second mount pad.
Further, limit switch is mechanical contact limit switch.
Further, limit switch is non-contact switch.
Limit switch is non-contact switch, and namely switch main body need not directly contact with switch inserted block, now can be fitted to each other by optoelectronic induction, magnetic signal etc.
Adopt the safety switch construction of the floor plates for escalator or moving sidewalk of the present invention, its structure is simple, be easy to install, the main function components used in this structure, the i.e. technology maturation of limit switch, reliability is high, when can effectively prevent floor plates from opening, the situation that escalator and moving sidewalk but normally run, avoids the generation of contingency.
Accompanying drawing explanation
Other advantage of the present invention and feature by from ensuing only with the object of non-limiting example provide and the explanation of the specific embodiment of the present invention represented in the accompanying drawings become clearly obviously, in the accompanying drawings:
Fig. 1 is the schematic diagram of the safety switch construction of the floor plates for escalator or moving sidewalk of the present invention;
Fig. 2 is the schematic diagram that the switch main body on the first mount pad and the switch inserted block on the second mount pad cooperatively interact;
Fig. 3 is the schematic diagram of the first mount pad;
Fig. 4 is the schematic diagram of the second mount pad.
Description of reference numerals
1 switch main body
2 switch inserted blocks
3 pilot holes
4 guideposts
5 first location divisions
6 mounting holes
7 first mount pads
8 second mount pads
9 floor plates
10 pits
Detailed description of the invention
The safety switch construction of the floor plates being used for escalator or moving sidewalk is described in detail referring now to Fig. 1 to Fig. 4.In order to clear succinct object, parts identical with similar in different embodiments use identical Reference numeral.
Fig. 1 is the overall schematic of safety switch construction of the present invention.Limit switch comprises the switch main body 1 and switch inserted block 2 that are fitted to each other, and switch main body 1 is arranged at the back side of floor plates by the first mount pad 7, and switch inserted block 2 is arranged at pit top by the second mount pad 8.Identical with existing escalator or moving sidewalk, escalator or moving sidewalk have pit 10 and control the control system (not shown) of escalator or moving sidewalk operation, when floor plates 9 is positioned at the make position on pit 10 top, switch inserted block 2 and switch main body 1 are fitted to each other and send floor plates 9 signal in the close position to control system, now, escalator or moving sidewalk can normal startup optimization.When floor plates 9 is opened, switch inserted block 2 and switch main body 1 depart from and send floor plates 9 signal in an open position to control system.The make position of floor plates 9 refers to that floor plates 9 hides pit completely, when escalator or moving sidewalk are in using state, and the position of floor plates 9.When the open position of floor plates 9 refers to that escalator or moving sidewalk are in maintenance or inspecting state, floor plates 9 is opened, when exposing pit, the position of floor plates 9.
The structure of this safety switch construction is simple, only need to arrange switch main body 1 on pit 10 top, at floor plates 9 back side, switch inserted block 2 is set, and the technology of its limit switch be made up of switch main body 1 and switch inserted block 2 used is quite ripe, commercially have multiple known limit switch to select, reliability is high.When the switch main body 1 of limit switch is fitted to each other with switch inserted block 2, triggers limit switch and send floor plates 9 signal in the close position to control system, user normally can open and run escalator or moving sidewalk.On the contrary, if switch main body and switch inserted block depart from, then trigger limit switch and send floor plates 9 signal in an open position to control system, therefore, user can not open and run escalator or moving sidewalk.
In this embodiment, switch main body 1 is arranged on pit 10 top, and switch inserted block 2 is arranged on floor plates 9 back side, but switch inserted block 2 is arranged on pit 10 top, switch main body 1 is arranged on floor plates 9 back side and is also fine.
The floor plates of escalator and moving sidewalk uses this safeguard construction, can overhaul or maintenance escalator and moving sidewalk time, prevent floor plates from opening but staircase and footway situation about but normally running, avoid the generation of contingency.
As shown in Figure 3, switch main body 1 is arranged on the first mount pad 7, and as shown in Figure 4, switch inserted block 2 is arranged on the second mount pad 8.First mount pad 7 and the second mount pad 8 are arranged on respectively the back side of pit 10 top and floor plates 9.
Directly at pit 10 top and floor plates 9 back side mounting limit switch of escalator or moving sidewalk, higher to the requirement of erection work, and the switch main body 1 of limit switch is separately positioned on the first mount pad 7 and the second mount pad 8 with switch inserted block 2, will the installation of limit switch be simplified.
First mount pad 7 is the plate-shape metal of L-type, on the first mount pad 7, be provided with 4 mounting holes 6 and the first location division 5 for switch main body 1, in this embodiment, this first location division 5 is two through holes, it processes in advance on the first mount pad 7, for location on the first mount pad 7 and installation switch main body 1.The form of the first location division is not limited to through hole, also can be the projection of processing on the first mount pad 7 or buckle.
The area of the first mount pad 7 and the second mount pad 8 can be selected as required, and the preferred flat metal processing of mount pad, it is easy to assemble with pit top and the floor plates back side.
First mount pad 7 is provided with two pilot holes 3, the second mount pad 8 is provided with two guideposts 4 coordinated with pilot hole 3.It can guide and be arranged on switch main body on the first mount pad and the second mount pad respectively and switch inserted block is fitted to each other.
First mount pad 7 is made for L-type plate-shape metal, and switch main body 1 is arranged in the wherein one side on L-type limit, and pilot hole 3 is processed on another side.Second mount pad 8 is made for rectangular plate-like metal, is processed with guidepost 4 thereon.When switch main body 1 is fitted to each other with switch inserted block 2, the face being processed with guidepost 4 of the first mount pad 1 and the second mount pad 2 stacked (as shown in Figure 2).
Limit switch in this embodiment can be mechanical contact limit switch, such as, be SCHMERSAL AZ 15zvk-M16.In using, limit switch can be also non-contact switch, and namely switch main body need not directly contact with switch inserted block, can be fitted to each other by optoelectronic induction, magnetic signal etc.
Adopt the safety switch construction of the floor plates for escalator or moving sidewalk of the present invention, its structure is simple, be easy to install, the main function components used in this structure, the i.e. technology maturation of limit switch, reliability is high, when can effectively prevent floor plates from opening, the situation that escalator and moving sidewalk but normally run, avoids the generation of contingency.
Above to invention has been detailed introduction; for one of ordinary skill in the art; according to the thought of the embodiment of the present invention; change in specific embodiments and applications should not thought and deviate from the scope of protection of the invention; in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. the safety switch construction for the floor plates of escalator or moving sidewalk, described escalator or moving sidewalk have pit (10) and control the control system of described escalator or moving sidewalk operation, it is characterized in that: comprising: limit switch, limit switch comprises the switch main body (1) and switch inserted block (2) that are fitted to each other, one of them of described switch main body (1) and described switch inserted block (2) is arranged on the back side of described floor plates (9), another is arranged on described pit (10) top, when described floor plates (9) is positioned at the make position on described pit (10) top, described switch inserted block (2) and described switch main body (1) are fitted to each other and send described floor plates (9) signal in the close position to described control system, when described floor plates (9) is opened, described switch inserted block (2) and described switch main body (1) depart from and send described floor plates (9) signal in an open position to described control system.
2. safety switch construction according to claim 1, it is characterized in that: described switch main body (1) is arranged on the first mount pad (7), described switch inserted block (2) is arranged on the second mount pad (8), and described first mount pad (7) and described second mount pad (8) are arranged on the back side of described pit (10) top and described floor plates (9) respectively.
3. safety switch construction according to claim 2, it is characterized in that: described first mount pad (7) is provided with the first location division for locating described switch main body (1), described second mount pad (8) being provided with the second location division for locating described switch inserted block (2).
4. safety switch construction according to claim 3, is characterized in that: described first mount pad (7) and described second mount pad (8) are provided with the guiding mechanism of working in coordination.
5. safety switch construction according to claim 4, it is characterized in that: the pilot hole (3) that described guiding mechanism is guidepost (4) and coordinates with described guidepost (4), described guidepost (4) and described pilot hole (3) one of them be arranged on described first mount pad (7), another is arranged on described second mount pad (8).
6. safety switch construction according to any one of claim 1 to 5, is characterized in that: described limit switch is mechanical contact limit switch.
7. safety switch construction according to any one of claim 1 to 5, is characterized in that: described limit switch is non-contact switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210142124.4A CN103387176B (en) | 2012-05-09 | 2012-05-09 | Safety switch structure for floor slab of escalator or moving pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210142124.4A CN103387176B (en) | 2012-05-09 | 2012-05-09 | Safety switch structure for floor slab of escalator or moving pavement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103387176A CN103387176A (en) | 2013-11-13 |
| CN103387176B true CN103387176B (en) | 2015-07-08 |
Family
ID=49531613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210142124.4A Expired - Fee Related CN103387176B (en) | 2012-05-09 | 2012-05-09 | Safety switch structure for floor slab of escalator or moving pavement |
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| Country | Link |
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| CN (1) | CN103387176B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115451A (en) * | 2016-08-24 | 2016-11-16 | 苏州新达电扶梯部件有限公司 | A kind of staircase back plate is anti-lifts safety device |
| CN107673285A (en) * | 2017-11-10 | 2018-02-09 | 康力电梯股份有限公司 | A kind of hydraulically extensible bar structure of floor plates |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201506668U (en) * | 2009-09-29 | 2010-06-16 | 江南嘉捷电梯股份有限公司 | Lifting board safety device |
| CN201506667U (en) * | 2009-09-29 | 2010-06-16 | 江南嘉捷电梯股份有限公司 | Safety device for lifting plate |
| CN102398846A (en) * | 2011-11-28 | 2012-04-04 | 江南嘉捷电梯股份有限公司 | Dropping board safety device for escalator or moving sidewalk |
| CN202687729U (en) * | 2012-05-09 | 2013-01-23 | 通力股份公司 | Safety switch structure for floor plates of escalator or moving pavement |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09249371A (en) * | 1996-03-14 | 1997-09-22 | Mitsubishi Denki Bill Techno Service Kk | Cover moving device of manhole |
| JP2000007259A (en) * | 1998-06-24 | 2000-01-11 | Hitachi Building Systems Co Ltd | Floor plate pushup device for passenger conveyor |
| JP2008239331A (en) * | 2007-03-28 | 2008-10-09 | Toshiba Elevator Co Ltd | Machine room waterproofing structure of passenger conveyer |
-
2012
- 2012-05-09 CN CN201210142124.4A patent/CN103387176B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201506668U (en) * | 2009-09-29 | 2010-06-16 | 江南嘉捷电梯股份有限公司 | Lifting board safety device |
| CN201506667U (en) * | 2009-09-29 | 2010-06-16 | 江南嘉捷电梯股份有限公司 | Safety device for lifting plate |
| CN102398846A (en) * | 2011-11-28 | 2012-04-04 | 江南嘉捷电梯股份有限公司 | Dropping board safety device for escalator or moving sidewalk |
| CN202687729U (en) * | 2012-05-09 | 2013-01-23 | 通力股份公司 | Safety switch structure for floor plates of escalator or moving pavement |
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| Publication number | Publication date |
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| CN103387176A (en) | 2013-11-13 |
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