CN109179182A - A kind of anti-fall well safety device of escalator - Google Patents
A kind of anti-fall well safety device of escalator Download PDFInfo
- Publication number
- CN109179182A CN109179182A CN201811336480.3A CN201811336480A CN109179182A CN 109179182 A CN109179182 A CN 109179182A CN 201811336480 A CN201811336480 A CN 201811336480A CN 109179182 A CN109179182 A CN 109179182A
- Authority
- CN
- China
- Prior art keywords
- escalator
- manhole cover
- cover plate
- overhaul
- gaijingbi
- 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.)
- Pending
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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
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
The invention discloses a kind of anti-fall well safety devices of escalator, belong to escalator security fields, the anti-fall well safety device of escalator includes: escalator, stop button is provided on escalator, escalator rear and front end is provided with overhaul of the equipments well, escalator driving structure and buffer unit are mounted with inside overhaul of the equipments well, maintenance manhole cover plate has been laid on overhaul of the equipments well, maintenance manhole cover plate two sides are mounted with Ka Gaijingbi, maintenance manhole cover plate is connect with Ka Gaijingbi by fixing bolt, the anti-fall well safety device of escalator is practical, it can issue red warning light to upper and lower escalator personnel when unusual condition occurs in escalator, again can the anti-fall well safety device internal circuitry of the escalator when something goes wrong, upper and lower escalator personnel are dropped down onto accidentally in overhaul of the equipments well, equipment inspection The buffer unit being arranged in well workover reduces the injury to personnel are fallen, and is worth promoting and using in escalator security fields.
Description
Technical field
The present invention relates to escalator security fields, specifically a kind of anti-fall well safety device of escalator.
Background technique
In the biggish region of the flows of the people such as market, railway station and subway, escalator has continuous rapid evacuation intensive
The advantage of the stream of people, thus the application of flow of the people large area escalator is very wide in range, but in recent years, with escalator
It is a large amount of universal, occur when escalator installation inspection-pit eats the accident of people also, escalator safety guarantee is very urgent.
A kind of anti-fall well safety device of escalator is provided in the patent document that patent publication No. is CN108408557A,
Its close fit for passing through sound equipment and hazard warning flasher, can be pre- to upper and lower escalator personnel when accident occurs for escalator
It is alert, but there is also certain defects for this safety device, do not account for circuit system when something goes wrong, sound equipment and hazard warning flasher
Cannot timely early warning, the safe condition after causing someone to drop down onto overhaul of the equipments well.
For above-mentioned background technique problem, the present invention is intended to provide a kind of anti-fall well safety device of escalator.
Summary of the invention
The purpose of the present invention is to provide a kind of anti-fall well safety devices of escalator, to solve to mention in above-mentioned background technique
The anti-fall well safety device of a kind of escalator provided in the patent document that patent publication No. out is CN108408557A exists
There is the problem of life security after dropping down onto overhaul of the equipments well in someone.
To achieve the above object, the invention provides the following technical scheme:
A kind of anti-fall well safety device of escalator comprising: stop button, escalator front and back two are provided on escalator
End is provided with overhaul of the equipments well, is mounted with escalator driving structure, the escalator drive machine inside overhaul of the equipments well
Common sense known to those skilled in the art；It has been laid with maintenance manhole cover plate on overhaul of the equipments well, has overhauled on manhole cover plate provided with anti-skidding
Protrusion and warning lamp, anti-skid bulge reduce a possibility that people to get off from escalator are slipped due to effect of inertia；
Maintenance manhole cover plate two sides are mounted with Ka Gaijingbi, and maintenance manhole cover plate is connect with Ka Gaijingbi by fixing bolt, on fixing bolt
Provided with torque spring, overhauls and all opened up bolt penetration hole on manhole cover plate and Ka Gaijingbi, be also provided with bolt on Ka Gaijingbi
Location hole, fixing bolt sequentially pass through the spiral shell of the bolt penetration hole of maintenance manhole cover plate, the bolt penetration hole of Ka Gaijingbi and Ka Gaijingbi
Bolt location hole agrees with, and realizes that maintenance manhole cover plate and Ka Gaijingbi are connected and fixed.
As a further solution of the present invention: conducting wire, the connection maintenance of conducting wire upper end are provided with inside the maintenance manhole cover plate
Warning lamp on manhole cover plate, conducting wire lower end connect elastic force wobble-plate, and elastic force wobble-plate is conductive material, and elastic force wobble-plate bottom end is
Wedge angle protrusion；Sliding slot is opened up on the inside of the card cover wells wall, elastic force wobble-plate bottom end is placed in sliding slot, and electricity has been opened up in sliding slot
Magnetic induction interface, the quantity of electromagnetic induction interface are 2, and respectively the first electromagnetic induction interface and the second electromagnetic induction connects
Mouthful, it is connected to alarm signal transmitter on the right side of the first electromagnetic induction interface, is connected on the right side of alarm signal transmitter by output lead
Corresponding center control panel；It is connected to normal signal transmission device on the right side of second electromagnetic induction interface, leads on the right side of normal signal transmission device
It crosses output lead and connects corresponding center control panel；When the fixing bolt position that maintenance manhole cover plate is connect with Ka Gaijingbi is fixed
When, due to electromagnetic induction sucking action, the second electromagnetic induction assigned into sliding slot connects the wedge angle protrusion of elastic force wobble-plate bottom end
Mouthful, cause circuit communication, warning lamp is shown in green, and escalator operation normal signal is transferred to normal signal inductor, just
Signal is transferred to respective center control panel by output lead again by regular signal inductor, and personnel convenient to overhaul understand escalator
Operating status；When the fixing bolt position that maintenance manhole cover plate is connect with Ka Gaijingbi loosens, fixing bolt is due to torsion
The twisting force of spring, drive maintenance manhole cover plate on elastic force wobble-plate up moved in sliding slot, elastic force wobble-plate bottom end by
In electromagnetic induction sucking action, causes elastic force wobble-plate bottom end wedge angle protrusion to assign into the second electromagnetic induction interface, cause circuit
Connection, warning lamp is shown in red, and escalator operation abnormal signal is transferred to alarm signal inductor, alarm signal inductor
Signal is transferred to respective center control panel by output lead again, service personnel robs in time after understanding escalator distress condition
It repairs, when upper and lower escalator sees that warning lamp is red, reacts immediately, pin stop button, under stopping escalator
Come.
As the present invention further scheme: the maintenance manhole cover plate bottom end provided with buffer unit, buffer unit by
The elastic telescopicing rod of fixed block and connection fixing block under supporting plate, supporting plate forms, and slide resistant material is provided on supporting plate, fixed
Block welds together with supporting plate, and damping spring is provided on elastic telescopicing rod, is not had when getting off from the personnel on escalator
It was found that being fallen in overhaul of the equipments well accidentally when the warning lamp of escalator reddens, buffer unit can be to the people fallen down
Member plays buffer function, and slide resistant material ensure that the personnel of falling fall to and be not easy to slip on supporting plate, elastic telescopicing rod and damping
The mating reaction of spring slows down hurtling down for the supporting plate hit by the person of falling, and plays buffer function, reduces the person of falling
The injury being subject to.
Compared with prior art, the beneficial effects of the present invention are:
Rationally, the maintenance manhole cover plate is connect a kind of anti-fall well safety apparatus structure design of escalator with Ka Gaijingbi
Fixing bolt position it is fixed when, the wedge angle protrusion of elastic force wobble-plate bottom end assigns into sliding slot due to electromagnetic induction sucking action
The second interior electromagnetic induction interface, causes circuit communication, and warning lamp is shown in green, and escalator operation normal signal is transferred to
Signal is transferred to respective center control panel by output lead again, overhauls people by normal signal inductor, normal signal inductor
Member's understanding escalator operating status；When the fixing bolt position that maintenance manhole cover plate is connect with Ka Gaijingbi loosens, Gu
Determine twisting force of the bolt due to torque spring, drives the elastic force wobble-plate on maintenance manhole cover plate up to move in sliding slot, bullet
Power wobble-plate bottom end causes elastic force wobble-plate bottom end wedge angle protrusion to assign into the second electromagnetic induction due to electromagnetic induction sucking action
Interface causes circuit communication, and warning lamp is shown in red, and escalator operation abnormal signal is transferred to alarm signal inductor,
Signal is transferred to respective center control panel by output lead again by alarm signal inductor, and service personnel understands escalator damage
Repair after bad state, when upper and lower escalator personnel see that warning lamp is red, react immediately in time, pin stopping by
Button stops escalator, does not have to find that the warning lamp of escalator reddens when getting off from the personnel on escalator
When, it is fallen in overhaul of the equipments well accidentally, buffer unit can play buffer function, slide resistant material to the personnel fallen down
It ensure that the personnel of falling fall to be not easy to slip on supporting plate, the mating reaction of elastic telescopicing rod and damping spring slows down
Hurtling down for the hit supporting plate of the person of falling, plays buffer function, reduces the injury that the person of falling is subject to.
A kind of anti-fall well safety device of escalator is practical, unusual condition can occurs in escalator
When to upper and lower escalator personnel issue red warning light, service information is passed into maintenance personal, and can be described automatic
When something goes wrong, upper and lower escalator personnel drop down onto overhaul of the equipments well to the anti-fall well safety device internal circuitry of staircase accidentally
In, the buffer unit being arranged in overhaul of the equipments well can reduce the injury to personnel are fallen, and be worth in escalator security fields
It promotes and uses.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the anti-fall well safety device of escalator.
Fig. 2 is the assembling structure schematic diagram of the maintenance manhole cover plate and Ka Gaijingbi of the embodiment of the present invention 1.
Fig. 3 is the assembling structure schematic diagram of the maintenance manhole cover plate and Ka Gaijingbi of the embodiment of the present invention 2.
In figure: 1- escalator, 2- maintenance manhole cover plate, 3- Ka Gaijingbi, 4- fixing bolt, 5- elastic force wobble-plate, 6- are alert
Show lamp, 7- bolt penetration hole, 8- torque spring, 9- swivel nut location hole, 10- alarm signal transmitter, 11- sliding slot, the second electromagnetism of 12-
Incude interface, 13- normal signal transmission device, 14- output lead, 15- fixed block, 16- elastic telescopicing rod, 17- damping spring,
18- supporting plate, 19- slide resistant material.
Specific embodiment
Technical solution of the present invention is described in more detail With reference to embodiment.
Embodiment 1
Referring to FIG. 1-2, in the embodiment of the present invention 1, a kind of anti-fall well safety device of escalator comprising: on escalator 1
Provided with stop button, 1 rear and front end of escalator is provided with overhaul of the equipments well, is mounted with escalator inside overhaul of the equipments well
Driving structure, the escalator drive machine common sense known to those skilled in the art；Maintenance has been laid on overhaul of the equipments well
Manhole cover plate 2 overhauls and is provided with anti-skid bulge and warning lamp 6 on manhole cover plate 2, and anti-skid bulge is reduced gets off from escalator 1
People a possibility that being slipped due to effect of inertia；Maintenance 2 two sides of manhole cover plate are mounted with card cover wells wall 3, maintenance manhole cover plate 2 with
Card cover wells wall 3 is connected by fixing bolt 4, and torque spring 8, maintenance manhole cover plate 2 and card cover wells wall 3 are provided on fixing bolt 4
On all opened up bolt penetration hole 7, bolt positioning hole 9 is also provided on card cover wells wall 3, fixing bolt 4 sequentially passes through maintenance well lid
The bolt positioning hole 9 of the bolt penetration hole 7 of plate 2, the bolt penetration hole 7 of card cover wells wall 3 and card cover wells wall 3 agrees with, and realizes maintenance well lid
Plate 2 is connected and fixed with card cover wells wall 3.
Conducting wire, the warning lamp 6 on conducting wire upper end connection maintenance manhole cover plate 2, conducting wire are provided with inside the maintenance manhole cover plate 2
Lower end connects elastic force wobble-plate 5, and elastic force wobble-plate 5 is conductive material, and 5 bottom end of elastic force wobble-plate is wedge angle protrusion；The Ka Gai
Sliding slot 11 is opened up on the inside of the borehole wall 3,5 bottom end of elastic force wobble-plate is placed in sliding slot 11, has opened up electromagnetic induction in sliding slot 11 and connect
Mouthful, the quantity of electromagnetic induction interface is 2, respectively the first electromagnetic induction interface and the second electromagnetic induction interface 12, first
It is connected to alarm signal transmitter 10 on the right side of electromagnetic induction interface, passes through the connection phase of output lead 14 on the right side of alarm signal transmitter 10
The center control panel answered；Normal signal transmission device 13 is connected on the right side of second electromagnetic induction interface 12, normal signal transmission device 13 is right
Side connects corresponding center control panel by output lead 14；When the fixing bolt 4 that maintenance manhole cover plate 2 is connect with card cover wells wall 3
When position is fixed, the wedge angle protrusion of 5 bottom end of elastic force wobble-plate assigns into second in sliding slot 11 due to electromagnetic induction sucking action
Electromagnetic induction interface 12 causes circuit communication, and warning lamp 6 is shown in green, and 1 normal operation signal of escalator is transferred to normally
Signal inductor 13, signal is transferred to respective center control panel by output lead 14 again by normal signal inductor 13, convenient
Service personnel understands escalator operating status；When 4 position of fixing bolt that maintenance manhole cover plate 2 is connect with card cover wells wall 3 occurs
When loosening, fixing bolt 4 drives the elastic force wobble-plate 5 on maintenance manhole cover plate 2 in sliding slot due to the twisting force of torque spring 8
It is up moved in 11,5 bottom end of elastic force wobble-plate causes 5 bottom end wedge angle protrusion of elastic force wobble-plate due to electromagnetic induction sucking action
The second electromagnetic induction interface 12 is assigned into, circuit communication is caused, warning lamp 6 is shown in red, and escalator 1 is operating abnormally signal
It is transferred to alarm signal inductor 10, signal is transferred to respective center control by output lead 14 again by alarm signal inductor 10
Making sheet, service personnel repair in time after understanding 1 distress condition of escalator, and upper and lower 1 personnel of escalator see that warning lamp 6 is red
It when color, reacts immediately, pins stop button, stop escalator 1.
2 bottom end of maintenance manhole cover plate is provided with buffer unit, and buffer unit is by the fixed block 15 under supporting plate 18, supporting plate 18
And the elastic telescopicing rod 16 of connection fixing block 15 forms, and slide resistant material 19, fixed block 15 and supporting plate are provided on supporting plate 18
18 weld together, and damping spring 17 is provided on elastic telescopicing rod 16, is not sent out when getting off from the personnel on escalator 1
When the warning lamp 6 of existing escalator 1 reddens, fallen in overhaul of the equipments well accidentally, buffer unit can be to the people fallen down
Member plays buffer function, and slide resistant material 19 ensure that the personnel of falling to fall on supporting plate 18 and be not easy to slip, 16 bar of elastic telescopic
Mating reaction with damping spring 17 slows down hurtling down for the supporting plate 18 hit by the person of falling, and plays buffer function, drop
The injury that the low person of falling is subject to.
Embodiment 2
Referring to Fig. 3, in the embodiment of the present invention 2, a kind of anti-fall well safety device of escalator, embodiment 2 and 1 phase of embodiment
Than being fitted without buffer unit in overhaul of the equipments well, remaining structure division of embodiment 2 is same as Example 1, embodiment 2 and reality
Example 1 is applied to compare, when the circuit system in overhaul of the equipments well when something goes wrong, cause service personnel not know that escalator operation
There is no on-call maintenance that someone is caused to fall in inspection-pit when state, the people for falling to overhaul of the equipments well is easy by larger wound
Evil.
The working principle of the invention is:
When 4 position of fixing bolt that the maintenance manhole cover plate 2 is connect with card cover wells wall 3 is fixed, the wedge angle of 5 bottom end of elastic force wobble-plate
Protrusion is assigned into the second electromagnetic induction interface 12 in sliding slot 11, is caused circuit communication due to electromagnetic induction sucking action, warning
Lamp 6 is shown in green, and 1 normal operation signal of escalator is transferred to normal signal inductor 13, and normal signal inductor 13 is again
Signal is transferred to respective center control panel by output lead 14, service personnel understands 1 operating status of escalator；Work as maintenance
When 4 position of fixing bolt that manhole cover plate 2 is connect with card cover wells wall 3 loosens, torsion of the fixing bolt 4 due to torque spring 8
Effect drives the elastic force wobble-plate 5 on maintenance manhole cover plate 2 up to move in sliding slot 11, and 5 bottom end of elastic force wobble-plate is due to electromagnetism
Incude sucking action, causes 5 bottom end wedge angle protrusion of elastic force wobble-plate to assign into the second electromagnetic induction interface 12, circuit is caused to connect
Logical, warning lamp 6 is shown in red, and escalator 1 is operating abnormally signal and is transferred to alarm signal inductor 10, alarm signal induction
Signal is transferred to respective center control panel by output lead 14 again by device 10, and service personnel understands 1 distress condition of escalator
Repairing in time afterwards reacts immediately when upper and lower 1 personnel of escalator see that warning lamp 6 is red, pins stop button, make
Escalator 1 stops.
When there is no the warning lamp 6 for finding escalator 1 to redden when getting off from the personnel on escalator 1, fall accidentally
Into overhaul of the equipments well, buffer unit can play buffer function to the personnel fallen down, and slide resistant material 19 ensure that
The personnel of falling fall on supporting plate 18 and are not easy to slip, and the mating reaction of elastic telescopicing rod 16 and damping spring 17, which slows down, to be fallen
Hurtling down for the hit supporting plate of person, plays buffer function, reduces the injury that the person of falling is subject to.
A kind of anti-fall well safety apparatus structure design of escalator is rationally, practical, can help automatically
Red warning light 6 is issued to upper and lower 1 personnel of escalator when unusual condition occurs in ladder 1, service information is passed into maintenance people
Member, but can the anti-fall well safety device internal circuitry of the escalator when something goes wrong, upper and lower 1 personnel of escalator are not
Careful to drop down onto overhaul of the equipments well, the buffer unit being arranged in overhaul of the equipments well can reduce the injury to personnel are fallen, and be worth
It promotes and uses in escalator security fields.
Better embodiment of the invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be without departing from the purpose of the present invention
Various changes can be made.
Claims (7)
1. a kind of buffer unit being mounted in overhaul of the equipments well, characterized by comprising: consolidating under supporting plate (18), supporting plate (18)
Determine the elastic telescopicing rod (16) of block (15) and connection fixing block (15), is provided with slide resistant material on the supporting plate (18)
(19), fixed block (15) welds together with supporting plate (18), is provided with damping spring (17) on elastic telescopicing rod (16).
2. a kind of anti-fall well safety of the escalator containing the buffer unit being mounted in overhaul of the equipments well as described in claim 1
Device comprising: escalator (1), it is characterised in that: stop button is provided on escalator (1), before escalator (1)
Both ends are provided with overhaul of the equipments well afterwards, are mounted with escalator driving structure inside overhaul of the equipments well, are laid on overhaul of the equipments well
Maintenance manhole cover plate (2), maintenance manhole cover plate (2) two sides are mounted with Ka Gaijingbi (3), maintenance manhole cover plate (2) and Ka Gaijingbi (3)
It is connected by fixing bolt (4), is provided with torque spring (8) on fixing bolt (4).
3. the anti-fall well safety device of a kind of escalator according to claim 2, it is characterised in that: overhaul of the equipments well upper berth
If maintenance manhole cover plate (2), anti-skid bulge and warning lamp (6) are provided in maintenance manhole cover plate (2).
4. the anti-fall well safety device of a kind of escalator according to claim 3, it is characterised in that: maintenance manhole cover plate (2)
With bolt penetration hole (7) have all been opened up on Ka Gaijingbi (3), on Ka Gaijingbi (3) be provided with bolt positioning hole (9), fixing bolt
(4) bolt penetration hole (7), the bolt penetration hole (7) of Ka Gaijingbi (3) and Ka Gaijingbi (3) of maintenance manhole cover plate (2) are sequentially passed through
Bolt positioning hole (9) agrees with, and makes to overhaul being connected and fixed for manhole cover plate (2) and Ka Gaijingbi (3).
5. the anti-fall well safety device of a kind of escalator according to claim 4, it is characterised in that: the maintenance manhole cover plate
(2) internal to be provided with conducting wire, the warning lamp (6) in conducting wire upper end connection maintenance manhole cover plate (2), conducting wire lower end connects elastic force and waves
Plate (5), elastic force wobble-plate (5) are conductive material, and elastic force wobble-plate (5) bottom end is wedge angle protrusion.
6. the anti-fall well safety device of a kind of escalator according to claim 5, it is characterised in that: the Ka Gaijingbi
(3) inside has opened up sliding slot (11), and elastic force wobble-plate (5) bottom end is placed in sliding slot (11), has opened up electromagnetism in sliding slot (11)
Incude interface, the quantity of electromagnetic induction interface is 2, respectively the first electromagnetic induction interface and the second electromagnetic induction interface
(12)。
7. the anti-fall well safety device of a kind of escalator according to claim 6, it is characterised in that: the first electromagnetic induction connects
Alarm signal transmitter (10) are connected on the right side of mouthful, center is connected by output lead (14) on the right side of alarm signal transmitter (10) and controls
Making sheet；Normal signal transmission device (13) are connected on the right side of second electromagnetic induction interface (12), it is logical on the right side of normal signal transmission device (13)
Cross output lead (14) connection center control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336480.3A CN109179182A (en) | 2018-11-12 | 2018-11-12 | A kind of anti-fall well safety device of escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336480.3A CN109179182A (en) | 2018-11-12 | 2018-11-12 | A kind of anti-fall well safety device of escalator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109179182A true CN109179182A (en) | 2019-01-11 |
Family
ID=64938721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811336480.3A Pending CN109179182A (en) | 2018-11-12 | 2018-11-12 | A kind of anti-fall well safety device of escalator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109179182A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112598942A (en) * | 2020-12-29 | 2021-04-02 | 日照职业技术学院 | English teaching wireless remote control removes teaching device convenient to operation |
| CN113086823A (en) * | 2021-02-23 | 2021-07-09 | 立达博仕电梯（苏州）有限公司 | Apron safety device convenient to automatic escalator overhauls |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02209388A (en) * | 1989-02-08 | 1990-08-20 | Fujitec Co Ltd | Combination type escalator for wheelchair passenger or the like |
| JP2000169070A (en) * | 1998-12-01 | 2000-06-20 | Nisshin:Kk | Display body of moving tread |
| CN102459056A (en) * | 2009-06-16 | 2012-05-16 | 奥的斯电梯公司 | Escalator dual solenoid main drive shaft brake |
| CN205634589U (en) * | 2016-04-30 | 2016-10-12 | 虞杰 | Safety protection device for escalator |
| CN108408557A (en) * | 2018-05-06 | 2018-08-17 | 饶伊珂 | A kind of anti-fall well safety device of escalator |
-
2018
- 2018-11-12 CN CN201811336480.3A patent/CN109179182A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02209388A (en) * | 1989-02-08 | 1990-08-20 | Fujitec Co Ltd | Combination type escalator for wheelchair passenger or the like |
| JP2000169070A (en) * | 1998-12-01 | 2000-06-20 | Nisshin:Kk | Display body of moving tread |
| CN102459056A (en) * | 2009-06-16 | 2012-05-16 | 奥的斯电梯公司 | Escalator dual solenoid main drive shaft brake |
| CN205634589U (en) * | 2016-04-30 | 2016-10-12 | 虞杰 | Safety protection device for escalator |
| CN108408557A (en) * | 2018-05-06 | 2018-08-17 | 饶伊珂 | A kind of anti-fall well safety device of escalator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112598942A (en) * | 2020-12-29 | 2021-04-02 | 日照职业技术学院 | English teaching wireless remote control removes teaching device convenient to operation |
| CN113086823A (en) * | 2021-02-23 | 2021-07-09 | 立达博仕电梯（苏州）有限公司 | Apron safety device convenient to automatic escalator overhauls |
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Application publication date: 20190111 |
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