CN203006692U - Passenger conveyor - Google Patents
Passenger conveyor Download PDFInfo
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- CN203006692U CN203006692U CN 201220635819 CN201220635819U CN203006692U CN 203006692 U CN203006692 U CN 203006692U CN 201220635819 CN201220635819 CN 201220635819 CN 201220635819 U CN201220635819 U CN 201220635819U CN 203006692 U CN203006692 U CN 203006692U
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Abstract
The embodiment of the utility model relates to a passenger conveyor. By means of the passenger conveyor, when lifting plates are disassembled, elastomers of a spring and the like are not used in a safety device performing operation, but magnets are utilized to form the safety device, so that possibilities of false operation and non-detection of a switch can be eliminated and the safety of maintenance operation can be further guaranteed. The passenger conveyor disclosed by the embodiment of the utility model is provided with a conveyor framework supporting the lifting plates, a fastening bolt fixing the lifting boards to the conveyor framework and the safety device for controlling the passenger conveyor to operate and not operate; and the safety device is provided with a linkage part and a control switch, the linkage part perform displacement through getting in and out of the fastening bolt, and the control switch performs connection and stopping actions through the displacement of the linkage part on the basis of a magnetic force.
Description
The application is take No. 2011-266046 (applying date: the preceence of on December 5th, 2011) enjoying this application as the basis of Japanese patent application.The application comprises the full content of this application by reference this application.
Technical field
Embodiment of the present utility model relates to a kind of passenger conveyors.
Background technology
The passenger conveyors such as escalator, moving sidewalk is widely used, and when the Maintenance and Repair operation of carrying out passenger conveyors, is provided with the safety device that passenger conveyors can not be turned round for job safety.
Generally, to the equipment class that the step of passenger conveyors, handrail etc. drive, be housed in the Machine Room by the lifting board sealing of the stopping port that is arranged on passenger conveyors.And when the Maintenance and Repair operation of carrying out passenger conveyors, the operator dismantles lifting board and enters in the Machine Room, and the equipment class such as motor, driving chain and control setup are overhauled.Therefore, in the operator just carries out the process of upkeep operation in the Machine Room, passenger conveyors is failure to actuate.
Therefore, in passenger conveyors, be provided with safety device in the Machine Room, this safety device detects the situation that lifting board is disassembled, and passenger conveyors can not be turned round.Safety device in the past is to utilize the elastomeric power of applying such as spring to detect the switching of lifting board.
But the elastic bodys such as spring produce elastic deformation by bearing load repeatedly, might produce misoperation or be failure to actuate.In addition, arranging of spring need to be finely tuned, and produces the distortion of timeliness due to spring, therefore need to constantly finely tune.
The utility model content
Problem to be solved in the utility model is, a kind of passenger conveyors that possesses safety device is provided, and this safety device is, passenger conveyors is not turned round, do not produce misoperation, and arrange and not need to finely tune, and do not produce the variation of timeliness.
the passenger conveyors of the embodiment of the utility model the first scheme is to possess: the Machine Room is formed on the bottom, floor of the stopping port of passenger conveyors, lifting board seals this Machine Room and dismounting freely, the machine frame of above-mentioned passenger conveyors supports this lifting board, binding bolt is fixed to lifting board on above-mentioned machine frame when the above-mentioned lifting board of sealing, and safety device, can turn round and can not turn round and control above-mentioned passenger conveyors, constitute in this passenger conveyors, at lifting board with respect to machine frame fixedly the time, the front end of binding bolt is outstanding from machine frame, from machine frame dismounting lifting board the time, the front end of binding bolt is not outstanding from machine frame, above-mentioned safety device possesses the linkage part of the displacement by haunting of binding bolt and the master cock of carrying out conducting cut-off action by the displacement of linkage part, when the front end of above-mentioned binding bolt is outstanding with respect to machine frame, linkage part is displaced to the position that the slave frame side is left, when the front end of above-mentioned binding bolt is not outstanding with respect to machine frame, linkage part becomes to swing and freely moves on to the machine frame side by magnetic position, when linkage part is displaced to the position that the slave frame side leaves, master cock becomes cut-off and passenger conveyors can be turned round, when linkage part moves on to the machine frame side by magnetic position, master cock becomes conducting and passenger conveyors can not be turned round.
The passenger conveyors of the embodiment of the utility model alternative plan is, in the formation of the first scheme, the first magnet is set on above-mentioned linkage part, above-mentioned machine frame has the ferromagnetism body, when the dismounting of above-mentioned lifting board, the attracting each other of the ferromagnetism body by the first magnet and machine frame, and above-mentioned linkage part is displaced to the machine frame side, make thus above-mentioned master cock become conducting state, and above-mentioned passenger conveyors can not be turned round.
The passenger conveyors of the embodiment of the utility model third party case is, in the formation of the first scheme, above-mentioned linkage part has the ferromagnetism body, in above-mentioned machine frame side, the second magnet is set, when the dismounting of above-mentioned lifting board, above-mentioned linkage part makes thus above-mentioned master cock become conducting state, and above-mentioned passenger conveyors can not be turned round by being displaced to the machine frame side with attracting each other of the second magnet.
The passenger conveyors of the embodiment of the cubic case of the utility model is, in the formation of alternative plan, in above-mentioned machine frame side, the second magnet is set, the magnetic pole of its magnetic pole different from the magnetic pole of above-mentioned the first magnet and above-mentioned the first magnet is faced mutually, when the dismounting of above-mentioned lifting board, by attracting each other of the first magnet and the second magnet, and above-mentioned linkage part is displaced to the machine frame side, make thus above-mentioned master cock become conducting state, and above-mentioned passenger conveyors can not be turned round.
the passenger conveyors of the embodiment of the utility model the 5th scheme is, in the formation of alternative plan, on position below above-mentioned linkage part is displaced to, carriage is set, side arranges the 3rd magnet below above-mentioned linkage part, on carriage, in the machine frame side, the 4th magnet is set, itself and the magnetic pole of the magnetic pole homopolarity of above-mentioned the 3rd magnet and the magnetic pole of above-mentioned the 3rd magnet are faced mutually, when the dismounting of above-mentioned lifting board, by repelling each other of the 3rd magnet and the 4th magnet, and above-mentioned linkage part is with by the mode displacement to the machine frame side application of force, make thus above-mentioned master cock become conducting state, and above-mentioned passenger conveyors can not be turned round.
The passenger conveyors of the embodiment of the utility model the 6th scheme is characterised in that, in the formation of alternative plan, any in the first magnet in above-mentioned safety device, the second magnet, the 3rd magnet or the 4th magnet or a plurality of magnet by comprising electromagnet consist of.
The passenger conveyors of the embodiment of the utility model the 7th scheme is characterised in that, in the formation of the first scheme, one or more of magnet, electromagnet or ferromagnetism body made up respectively a plurality of and consists of above-mentioned safety device.
The passenger conveyors of the embodiment of the utility model all directions case is characterised in that, in the formation of the first scheme, above-mentioned safety device is controlled, so that by whole above-mentioned binding bolts that above-mentioned lifting board and above-mentioned machine frame are fixed are installed, and above-mentioned passenger conveyors can be turned round.
In the passenger conveyors of the respective embodiments described above of the present utility model, making the safety device that passenger conveyors can not turn round when having dismantled lifting board is the formation of utilizing the magnetic attraction of magnet, therefore can eliminate in the misoperation that utilizes the switch that occurs in the elastomeric situation such as spring, the possibility that does not detect, can further guarantee the safety of upkeep operation.
Description of drawings
Fig. 1 means the overall diagram of the summary of escalator.
Fig. 2 is the instruction diagram of conducting state of the safety device of embodiment 1.
Fig. 3 is the instruction diagram of off condition of the safety device of embodiment 1.
Fig. 4 is the instruction diagram of conducting state of the safety device of embodiment 2.
Fig. 5 is the instruction diagram of off condition of the safety device of embodiment 2.
Fig. 6 is the instruction diagram of conducting state of the safety device of embodiment 3.
Fig. 7 is the instruction diagram of off condition of the safety device of embodiment 3.
Fig. 8 is the circuit diagram under the off condition of safety device.
The specific embodiment
Below, according to Fig. 1 ~ Fig. 3 and Fig. 8, embodiment 1 of the present utility model is described, according to Fig. 4 and Fig. 5, embodiment 2 is described, according to Fig. 6 and Fig. 7, embodiment 3 is described.In addition, each embodiment is as the example of passenger conveyors and adopted escalator, but also can be applied to the passenger conveyors such as moving sidewalk.
Embodiment 1
At first, the formation of the passenger conveyors of the safety apparatus for passenger conveyor of using embodiment 1 described.As shown in Figure 1, the stopping port 2a in the upper layer side of passenger conveyors 1 is equipped with lifting board 3a on machine frame 8, and in addition, the stopping port 2b at lower layer side is equipped with lifting board 3b on machine frame 8.And, be provided with Machine Room, top 4a below the lifting board 3a of upper layer side, be provided with Machine Room, bottom 4b below the lifting board 3b of lower layer side.Be provided with the actuating device that is made of motor 5, transmission mechanism, speed reduction gearing etc. in the 4a of Machine Room, top, actuating device drives drive sprocket via driving chain 6.Be provided with driven sprocket in the 4b of Machine Room, bottom, volume hangs with the step chains of ring-type on above-mentioned drive sprocket and driven sprocket, equally spaced link on this step chains a plurality of steps 9 are arranged, the movement of the step chains that causes with being rotated by motor 5 links, and a plurality of steps 9 travel in the guide rail cocycle.
And, when the Maintenance and Repair operation of carrying out this passenger conveyors 1, the operator dismantles lifting board 3a, the 3b of upper layer side and lower layer side and enters in Machine Room, top 4a and Machine Room, bottom 4b, the equipment class such as actuating device, driving chain 6, drive sprocket, driven sprocket, step chains, step 9 and control setup that maintenance is made of motor 5, transmission mechanism and speed reduction gearing etc.
Then, the safety device 7 of embodiment 1 described.The safety device 7 of embodiment 1 is arranged on respectively on the machine frame 8 of passenger conveyors 1 in Machine Room, top 4a and Machine Room, bottom 4b.In addition, a pair of safety device 7 that is arranged on respectively in Machine Room, top 4a and Machine Room, bottom 4b is identical structure, therefore the safety device 7 that is arranged in the 4a of Machine Room, top is described.
Fig. 2 is the instruction diagram under the conducting state of safety device 7, and as shown in Figure 2, the binding bolt 14 that lifting board 3a (3b) is fixed on machine frame 8 constitutes, and screws togather with the tapped bore 8a that is formed on machine frame 8.And the safety device 7 of embodiment 1 has the carriage 13 on the following 8b that is fixedly mounted on machine frame 8, and carriage 13 is bent into " コ " font with metal sheet and forms.The oscillating axle 11 that extends along level (with respect to the paper vertical direction) is installed on a longitudinal wall (with the paper identical faces) of this carriage 13, linkage part be suitable location in the middle of the long side direction of swing arm 12 by above-mentioned oscillating axle 11 axles supportings, and constitute swing displacement freely centered by oscillating axle 11 on the direction that is rotated.Front end a side of swing arm 12 is installed with the first magnet 10a, is furthered and displacement to the machine frame 8 that is formed by ferromagnetism bodies such as iron by magnetic force swing arm 12, and the fixation side of the first magnet 10a of swing arm 12 is by the 8b side application of force below machine frame thus.In addition, a side's who is not installed with magnet 10a of swing arm 12 front end, displacement is to press the action button 15a that the master cock that is arranged on carriage 13 is limit switch 15.Thus, limit switch 15 becomes conducting state.Under this state shown in Figure 2, as shown in Figure 3 lifting board 3a (3b) is fixed to being screwed into binding bolt 14 under the state on machine frame 8, the front end of binding bolt 14 to the below of machine frame 8 outstanding and displacement for pressing swing arm 12, the first magnet 10a is left from machine frame 8, an and side's who is not installed with magnet 10a of swing arm 12 front end, displacement is to lift to the top of the action button 15a of limit switch 15, so limit switch 15 becomes off condition.
Be arranged on respectively each limit switch 15 that a pair of safety device 7 in Machine Room, top 4a and Machine Room, bottom 4b is equipped, mutual series connection as shown in the control circuit 16 of Fig. 8.The limit switch 15 expression both sides of Fig. 8 all are in off condition.By configuration circuit so, when the either party's of each safety device 7 in Machine Room, top 4a and Machine Room, bottom 4b at least limit switch 15 became conducting state as shown in Figure 2, relay 17 was failure to actuate thus, and passenger conveyors 1 can not turn round.With respect to this, as shown in the control circuit 16 of Fig. 8, when the both sides of a pair of safety device 7 limit switch 15 separately become off condition, relay 17 actions, passenger conveyors 1 can turn round.In addition, switch 18 shown in Figure 8 is arranged on the safety switch at other position, and the switch 19 that is arranged in parallel with a pair of limit switch 15 of connecting in addition is the switches that use when passenger conveyors 1 is carried out shaft down.
Then, the action of the safety device 7 of above-mentioned such embodiment that consists of 1 described.When the Maintenance and Repair operation of carrying out passenger conveyors 1, at first must with lifting board 3a (3b) respectively from machine frame 8 dismountings, Machine Room, top 4a and Machine Room, bottom 4b be opened.Therefore, when operator dismounting was fixed to lifting board 3a (3b) binding bolt 14 on machine frame 8, as shown in Figure 2, magnet 10a was furthered to machine frame 8 by magnetic force, and swing arm 12 is pressed the action button 15a of lower position switch 15.Thus, limit switch 15 becomes conducting state, so the relay 17 of control circuit 16 is failure to actuate, and passenger conveyors 1 becomes can not operative condition.
The swing arm 12 of this safety device 7 is arranged under machine frame 8, even therefore the operator places lifting board 3a (3b) or place tool etc. on machine frame 8 temporarily, also swing arm 12 is not exerted an influence and swing arm 12 can displacement, therefore passenger conveyors 1 can be remained reliably can not operative condition.
And, when the Maintenance and Repair end of job of passenger conveyors 1, operator for lifting board 3a (3b) being fixed on machine frame 8 and when making binding bolt 14 be screwed in tapped bore 8a, as shown in Figure 3, the front end of binding bolt 14 is outstanding and press swing arm 12 downwards from machine frame 8, thus with oscillating axle 11 as S. A. and the displacement of the magnet 10a side direction of swing arm 12 below, limit switch 15 sides of the swing arm 12 ground displacements of rising simultaneously, therefore become and can not press the operation button 15a, limit switch 15 becomes off condition.And when the limit switch 15 of a pair of safety device 7 in being arranged on respectively Machine Room, top 4a and Machine Room, bottom 4b all became off condition as shown in Figure 8,17 actions of the relay of control circuit 16 and passenger conveyors 1 become can operative condition.
The safety device 7 of the embodiment 1 that consists of as described above is, when dismounting from tapped bore 8a is fixed to binding bolt 14 on machine frame 8 with lifting board 3a (3b), passenger conveyors 1 becomes can not operative condition, in contrast, binding bolt 14 be installed to passenger conveyors 1 is become can operative condition, therefore during the Maintenance and Repair operation of carrying out passenger conveyors 1, binding bolt 14 is disassembled always because therefore lifting board is disassembled, and therefore passenger conveyors 1 is become can not operative condition.In addition, owing to constituting, when having dismantled binding bolt 14, passenger conveyors 1 is become can not operative condition, even therefore in the situation that limit switch 15 fixed, passenger conveyors 1 also keeps can not operative condition, can guarantee operator's safety.
So, in the passenger conveyors of present embodiment, making the safety device that passenger conveyors can not turn round when having dismantled lifting board is the formation of utilizing the magnetic attraction of magnet, therefore can eliminate in the misoperation that utilizes the switch that produces in the elastomeric situation such as spring, the possibility that does not detect, can further guarantee the safety of upkeep operation.
Embodiment 2
Fig. 4 and Fig. 5 mean the instruction diagram of formation of the safety device of embodiment 2.The basic comprising of embodiment 2 is identical with embodiment 1.Therefore, in Fig. 4 and embodiment 2 shown in Figure 5, given the structure with embodiment 1 same-sign, quoted the explanation in embodiment 1, and be omitted in the explanation in embodiment 2.What embodiment 2 was different from embodiment 1 is configured to, and will be arranged on carriage 13 with the second magnet 10b of the first magnet 10a heteropole of installing on swing arm 12.
When formation embodiment 2 like this, as shown in Figure 4, when dismounting binding bolt 14, the first magnet 10a of heteropole and the second magnet 10b attract each other each other, the side that the first magnet 10a is not installed of swing arm 12 is by the action button 15a of lower position switch 15 thus, therefore limit switch 15 becomes conducting state, and passenger conveyors 1 is become can not operative condition.As shown in Figure 5, when binding bolt 14 is installed, the installation of swing arm 12 the fastened bolt 14 of side of the first magnet 10a press, the side that the first magnet 10a is not installed of swing arm 12 is left from the action button 15a of limit switch 15, limit switch 15 becomes off condition thus, and passenger conveyors 1 is become can operative condition.
By so consisting of embodiment 2, the safety device 7 of embodiment 2 is thus, owing to being provided with the second magnet 10b, so the first magnet 10a and the second magnet 10b attract each other, therefore can access the effect same with embodiment 1, even in the situation that machine frame 8 is not the ferromagnetism bodies such as iron, also can arrange without barrier.
So, in the passenger conveyors of present embodiment, making the safety device that passenger conveyors can not turn round when having dismantled lifting board is the formation of utilizing magnet magnetic attraction each other, therefore can eliminate in the misoperation that utilizes the switch that produces in the elastomeric situation such as spring, the possibility that does not detect, can further guarantee the safety of upkeep operation.
Embodiment 3
Fig. 6 and Fig. 7 mean the instruction diagram of formation of the safety device of embodiment 3.The basic comprising of embodiment 3 is identical with embodiment 1.Therefore, in the embodiment 3 of Figure 6 and Figure 7, given the structure with embodiment 1 same-sign, quoted the explanation in embodiment 1, and be omitted in the explanation in embodiment 3.What embodiment 3 was different from embodiment 1 is configured to, and the rear side of the first magnet 10a that installs on swing arm 12 is provided with the 3rd magnet 10c, is provided with the 4th magnet 10d with the 3rd magnet 10c homopolarity on carriage 13.
When formation embodiment 3 like this, as shown in Figure 6, the first magnet 10a is furthered to machine frame 8 by dismounting binding bolt 14, the 3rd magnet 10c and the 4th magnet 10d repel each other mutually by magnetic force simultaneously, thus, the side that the first magnet 10a is not installed of swing arm 12 is by the action button 15a of lower position switch 15, so limit switch 15 becomes conducting state, and passenger conveyors 1 is become can not operative condition.As shown in Figure 7, when binding bolt 14 is installed, binding bolt 14 swings swing arm 12, and the fastened bolt 14 of side that the first magnet 10a is installed of swing arm 12 is pressed, the side that the first magnet 10a is not installed of swing arm 12 is left from the action button 15a of limit switch 15, limit switch 15 becomes off condition thus, and making passenger conveyors 1 is can operative condition.
By so consisting of embodiment 3, can produce stronger magnetic force in limited space, can make reliably limit switch 15 become conducting state.
So, in the passenger conveyors of present embodiment, making safety device that passenger conveyors can not turn round when having dismantled lifting board is the formation of utilizing the repulsion of the magnetic attraction of magnet and magnet, therefore can eliminate in the misoperation that utilizes the switch that produces in the elastomeric situation such as spring, the possibility that does not detect, can further guarantee the safety of upkeep operation.
Several embodiments of the present utility model are illustrated, but these embodiments are to point out as an example, are not intended to limit the scope of utility model.These embodiments can be implemented with other variety of way, and in the scope of the purport of not leaving utility model, can carry out various omissions, displacement and change.These embodiments and its distortion are included in the scope and purport of utility model, and are included in equally the utility model that the request scope puts down in writing and in the scope that is equal to it.
Claims (8)
1. passenger conveyors possesses: the Machine Room is formed on the bottom, floor of the stopping port of passenger conveyors; Lifting board seals this Machine Room and dismounting freely; The machine frame of above-mentioned passenger conveyors supports this lifting board; Binding bolt is fixed to lifting board on above-mentioned machine frame when the above-mentioned lifting board of sealing; And safety device, to can the turning round and can not turn round and control of above-mentioned passenger conveyors, this passenger conveyors is characterised in that,
Constitute, with respect to machine frame fixedly the time, the front end of binding bolt is outstanding from machine frame at lifting board, and from machine frame dismounting lifting board the time, the front end of binding bolt is outstanding from machine frame,
Above-mentioned safety device possesses the linkage part of the displacement by haunting of binding bolt and the master cock of carrying out conducting cut-off action by the displacement of linkage part,
When the front end of above-mentioned binding bolt is outstanding with respect to machine frame, linkage part is displaced to the position that the slave frame side is left, when the front end of above-mentioned binding bolt was not outstanding with respect to machine frame, linkage part became to swing and freely moves on to the machine frame side by magnetic position
When linkage part was displaced to the position that the slave frame side leaves, master cock became cut-off and passenger conveyors can be turned round, and when linkage part moved on to the machine frame side by magnetic position, master cock became conducting and passenger conveyors can not be turned round.
2. passenger conveyors as claimed in claim 1, is characterized in that,
The first magnet is set on above-mentioned linkage part,
Above-mentioned machine frame has the ferromagnetism body,
When the dismounting of above-mentioned lifting board, the attracting each other of the ferromagnetism body by the first magnet and machine frame, and above-mentioned linkage part is displaced to the machine frame side, makes thus above-mentioned master cock become conducting state, and above-mentioned passenger conveyors can not be turned round.
3. passenger conveyors as claimed in claim 1, is characterized in that,
Above-mentioned linkage part has the ferromagnetism body,
In above-mentioned machine frame side, the second magnet is set,
When the dismounting of above-mentioned lifting board, above-mentioned linkage part makes thus above-mentioned master cock become conducting state, and above-mentioned passenger conveyors can not be turned round by being displaced to the machine frame side with attracting each other of the second magnet.
4. passenger conveyors as claimed in claim 2, is characterized in that,
In above-mentioned machine frame side, the second magnet is set, the magnetic pole of its magnetic pole different from the magnetic pole of above-mentioned the first magnet and above-mentioned the first magnet is faced mutually,
When the dismounting of above-mentioned lifting board, by attracting each other of the first magnet and the second magnet, and above-mentioned linkage part is displaced to the machine frame side, makes thus above-mentioned master cock become conducting state, and above-mentioned passenger conveyors can not be turned round.
5. passenger conveyors as claimed in claim 2, is characterized in that,
On position below above-mentioned linkage part is displaced to, carriage is set,
Side arranges the 3rd magnet below above-mentioned linkage part, on carriage, in the machine frame side, the 4th magnet is set, itself and the magnetic pole of the magnetic pole homopolarity of above-mentioned the 3rd magnet and the magnetic pole of above-mentioned the 3rd magnet is faced mutually,
When the dismounting of above-mentioned lifting board, by repelling each other of the 3rd magnet and the 4th magnet, and above-mentioned linkage part makes above-mentioned master cock become conducting state with by the mode displacement to the machine frame side application of force thus, and above-mentioned passenger conveyors can not be turned round.
6. passenger conveyors as claimed in claim 2, is characterized in that,
Any in the first magnet in above-mentioned safety device, the second magnet, the 3rd magnet or the 4th magnet or a plurality of magnet by comprising electromagnet consist of.
7. passenger conveyors as claimed in claim 1, is characterized in that,
One or more of magnet, electromagnet or ferromagnetism body are made up respectively a plurality of and consist of above-mentioned safety device.
8. passenger conveyors as claimed in claim 1, is characterized in that,
Above-mentioned safety device is controlled, so that by whole above-mentioned binding bolts that above-mentioned lifting board and above-mentioned machine frame are fixed are installed, and above-mentioned passenger conveyors can be turned round.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-266046 | 2011-12-05 | ||
| JP2011266046A JP2013116815A (en) | 2011-12-05 | 2011-12-05 | Passenger conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203006692U true CN203006692U (en) | 2013-06-19 |
Family
ID=48598307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220635819 Expired - Fee Related CN203006692U (en) | 2011-12-05 | 2012-11-27 | Passenger conveyor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013116815A (en) |
| CN (1) | CN203006692U (en) |
Cited By (1)
| 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 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103318741B (en) * | 2013-07-05 | 2015-04-22 | 波士顿电梯(苏州)有限公司 | Safety system realizing automatic stop of escalator when floor plate thereof is opened |
| WO2015102031A1 (en) * | 2014-01-06 | 2015-07-09 | 三菱電機株式会社 | Missing step detection device for passenger conveyor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4032596Y1 (en) * | 1964-10-10 | 1965-11-16 | ||
| JPS4859382A (en) * | 1971-11-29 | 1973-08-20 | ||
| JP3507217B2 (en) * | 1995-09-18 | 2004-03-15 | 東芝エレベータ株式会社 | Safety device for man conveyor |
| JPH1192073A (en) * | 1997-09-25 | 1999-04-06 | Hitachi Building Systems Co Ltd | Passenger conveyor provided with photoelectric device |
-
2011
- 2011-12-05 JP JP2011266046A patent/JP2013116815A/en active Pending
-
2012
- 2012-11-27 CN CN 201220635819 patent/CN203006692U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013116815A (en) | 2013-06-13 |
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Granted publication date: 20130619 Termination date: 20141127 |
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