CN108100836A - A kind of elevator door with door-plate interlock - Google Patents
A kind of elevator door with door-plate interlock Download PDFInfo
- Publication number
- CN108100836A CN108100836A CN201711213112.5A CN201711213112A CN108100836A CN 108100836 A CN108100836 A CN 108100836A CN 201711213112 A CN201711213112 A CN 201711213112A CN 108100836 A CN108100836 A CN 108100836A
- Authority
- CN
- China
- Prior art keywords
- door
- elevator
- elevator door
- power
- boosting bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000006698 induction Effects 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 4
- 230000037431 insertion Effects 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 abstract description 5
- 230000036632 reaction speed Effects 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical compound [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
- B66B13/185—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
- B66B13/26—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses a kind of elevator doors with door-plate interlock, its structure includes column, elevator door, top guide rod, door-opening mechanism, emergent stopping mechanism, the column is equipped with power supply, the elevator door is equipped with walking roller, induction strip, the emergent stopping mechanism is equipped with power-off conducting wire, micro contact switch, power off contact block, power off pressing plate, conductive rod, make equipment when being used, it can make after elevator reaches certain position in latch hook insertion driving groove, elevator door is driven to open, after personnel enter elevator, start elevator, boosting bar promotes elevator door to close, as someone enters elevator at this time, touch induction strip, it will stop the operation of elevator, elevator door is opened, the generation of accidents such as avoid causing crushing, enhance the sensitivity of sensing, accelerate reaction speed.
Description
Technical field
The present invention is a kind of elevator door with door-plate interlock, belongs to elevator door field.
Background technology
The Push And Release of elevator door is realized by the enabling blade being mounted on gate, and each layer door is equipped with
One door lock, after layer door is closed, the mechanical latch hook engagement of door lock, and meanwhile layer door and gate electrical interlocks contact closure, elevator control
Circuit processed is connected, and elevator could start operation at this time, and elevator door has fireproofing function under construction, for splitting fire compartment,
Gate safety switch can guarantee that door elevator in a state that no safety shutdown locks in place or not is not normally functioning.
The appearance of elevator door significantly increases the security of elevator, but there are many for the elevator door of current stage
Shortcoming, for example, can not form interlocking between elevator door, security is low, and installation is inconvenient.
Meanwhile because the sensing device of existing elevator door technology is easy to failure, it is ineffective to be present with sensing after long-term use
Quick situation easily causes sensing failure by electronic induction technology, therefore can cause inherent security risk, causes to clip to people's
Phenomenon occurs, while is unable to reach the problem of stopping elevator operation immediately again.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of elevator door with door-plate interlock,
To solve the prior art in use, because the sensing device of existing elevator door technology is easy to failure, it is present with after long-term use
Sense insensitive situation, sensing failure is easily caused by electronic induction technology, therefore inherent security risk can be caused, cause
The phenomenon that clipping to people occurs, while is unable to reach the problem of stopping elevator operation immediately again.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of band door-plate interlock
Elevator door, structure includes column, elevator door, top guide rod, door-opening mechanism, emergent stopping mechanism, and the column leads to
It crosses bolt riveted and is connected to elevator door both ends, between the elevator door is connected to column by bolt riveted, the top
Guide rod is connected to by bolt riveted above elevator door, and the door-opening mechanism is embedded at elevator door inner tip, described tight
Emergency stop locking mechanism is embedded inside elevator door, and the column is equipped with power supply, and the power supply is embedded inside column；The elevator
Layer door is equipped with walking roller, induction strip, and the walking roller is connected to elevator door bottom, the induction strip by bolt riveted
It is embedded on elevator door outer edge；The emergent stopping mechanism is equipped with power-off conducting wire, micro contact switch, powers off contact block, is disconnected
Voltage plate, conductive rod, the power-off conducting wire are connected between conductive rod and micro contact switch, the micro contact switch
It is connected between power-off conducting wire, the breakpoint contact block is connected to power-off conducting wire top, and the power-off pressing plate is embedded at boosting bar side
On face, the conductive rod is connected between power supply and power-off conducting wire.
Further, the top guide rod is equipped with guide groove, connecting plate, and the guide groove is embedded on the guide rod of top, institute
Connecting plate is stated to be connected between top guide rod and elevator door by bolt riveted.
Further, the door-opening mechanism is equipped with boosting bar, resetting spring, boosting bar fixing axle, damping spring, connects voltage
Plate, driving groove, base conductor, connect electric contact block at electrified wire, and the door-opening mechanism is embedded in elevator door inner tip.
Further, the boosting bar is connected to by bolt riveted on the guide rod of top, and the resetting spring is embedded at biography
It moves between slot and boosting bar, the boosting bar fixing axle is connected to by bolt riveted on the guide rod of top, and the damping spring is embedding
Arranged on connecing voltage plate bottom.
Further, the voltage plate that connects is connected to by bolt riveted inside driving groove, and the driving groove is embedded at electricity
Terraced layer door inner tip, the electrified wire are connected between power supply and driving groove, and the base conductor, which is connected to, connects electric contact block
It is described to connect electric contact block and be connected between base conductor between power supply.
Further, the boosting bar is rectangular rod structure, and the boosting bar is equipped with boosting bar fixing axle, the boosting
Bar fixing axle is connected to by bolt riveted at the top of boosting bar, and the boosting bar is connected to top by boosting bar fixing axle riveted
On guide rod.
Further, the micro contact switch is equipped with hair, fine motion contact block, fine motion strut, supporting rod, described micro-
Spring of moving is embedded on fine motion branch rod outer surface, and the fine motion contact block is connected to fine motion strut top, and the fine motion strut passes through
Bolt riveted is connected between induction strip and fine motion contact block, and the supporting rod is connected between power-off conducting wire and induction strip.
Advantageous effect
A kind of emergent stopping mechanism of the present invention, the emergent stopping mechanism are equipped with power-off conducting wire, micro contact switch, power-off
Contact block, power-off pressing plate, conductive rod, when elevator door is not turned off complete, can sense the situation that human body enters elevator, work as human body
When touching induction strip, the connection of the micro contact switch disconnecting circuit inside induction strip can be driven, elevator is made not move, is made
Into the accidents such as crushing；
By being equipped with a kind of micro contact switch, the micro contact switch is equipped with hair, fine motion contact block, fine motion branch
Bar, supporting rod, when induction strip is extruded, induction strip drives fine motion strut to contract inward, while power-off contact block is driven to depart from circuit,
It enables the circuitry to disconnect, elevator is prevented to run；
By being equipped with a kind of door-opening mechanism, the door-opening mechanism is equipped with boosting bar, resetting spring, boosting bar fixing axle, subtracts
Shake spring connects voltage plate, driving groove, electrified wire, base conductor, connects electric contact block, when elevator reaches elevator door, on elevator
Latch hook insertion driving groove in, stress connects voltage plate and presses down in connecing on voltage plate, connect circuit, elevator door is enable to beat
It opens；
By being equipped with a kind of power-off pressing plate, after elevator door is closed, boosting bar is moved toward opposite direction, emergent stopping machine
The circuit of structure can be connected, and enable elevator trouble-free operation；
By being equipped with a kind of boosting bar, the boosting bar is connected to by bolt riveted on the guide rod of top, passes through boosting bar
For controlling the closing of elevator door and unlatching, boosting bar is connected between door-opening mechanism and emergent stopping mechanism, plays and hold
Effect under opening.
By the mutual cooperation of apparatus above, it can make after elevator reaches certain position in latch hook insertion driving groove, drive
Dynamic elevator door is opened, and after personnel enter elevator, starts elevator, boosting bar promotes elevator door to close, and such as has at this time
People enters elevator, touches induction strip, it will stops the operation of elevator, elevator door is opened, and the hair of accidents such as avoids causing crushing
It is raw, enhance the sensitivity of sensing, accelerate reaction speed.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of structure diagram of the elevator door with door-plate interlock of the present invention.
Fig. 2 is the structure diagram under a kind of elevator door opening state with door-plate interlock of the present invention.
Fig. 3 is the enlarged structure schematic diagram of elevator door of the present invention.
Fig. 4 is the structure diagram under this practicality door-opening mechanism stationary state.
Fig. 5 is the structure diagram under door-opening mechanism working condition of the present invention.
Fig. 6 is the structure diagram under micro contact switch stationary state of the present invention.
Fig. 7 is the structure diagram under micro contact switch working condition of the present invention.
In figure：Column -1, elevator door -2, top guide rod -3, door-opening mechanism -4, emergent stopping mechanism -5, power supply -10,
Guide groove -30, connecting plate -31, resetting spring -41, boosting bar fixing axle -42, damping spring -43, connect voltage at boosting bar -40
Plate -44, driving groove -45, electrified wire -46, base conductor -47, connect electric contact block -48, power-off conducting wire -50, micro contact switch -
51st, hair -510, fine motion contact block -511, fine motion strut -512, supporting rod -513, power-off contact block -52, power-off pressing plate -53,
Conductive rod -54.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, with reference to
Specific embodiment, the present invention is further explained.
- Fig. 7 is please referred to Fig.1, the present invention provides a kind of elevator door technical solution with door-plate interlock：Its structure bag
Column 1, elevator door 2, top guide rod 3, door-opening mechanism 4, emergent stopping mechanism 5 are included, the column 1 is connected by bolt riveted
In 2 both ends of elevator door, between the elevator door 2 is connected to column 1 by bolt riveted, the top guide rod 3 passes through spiral shell
Bolt riveted is connected to 2 top of elevator door, and the door-opening mechanism 4 is embedded at 2 inner tip of elevator door, the emergent stopping machine
Structure 5 is embedded inside elevator door 2, and the column 1 is equipped with power supply 10, and the power supply 10 is embedded inside column 1；The elevator
Layer door 2 is equipped with walking roller 20, induction strip 21, and the walking roller 20 is connected to 2 bottom of elevator door, institute by bolt riveted
Induction strip 21 is stated to be embedded on 2 outer edge of elevator door；The emergent stopping mechanism 5 is equipped with power-off conducting wire 50, fine motion contact is opened
51, power-off contact block 52, power-off pressing plate 53, conductive rod 54 are closed, the power-off conducting wire 50 is connected to conductive rod 54 and is touched with fine motion
Between point switch 51, the micro contact switch 51 is connected between power-off conducting wire 50, and the breakpoint contact block 52 is connected to power-off
50 top of conducting wire, the power-off pressing plate 53 are embedded on 40 side of boosting bar, and the conductive rod 54 is connected to power supply 10 with breaking
Between electric lead 50, the top guide rod 3 is equipped with guide groove 30, connecting plate 31, and the guide groove 30 is embedded at top guide rod 3
On, the connecting plate 31 is connected to by bolt riveted between top guide rod 3 and elevator door 2, and the door-opening mechanism 4 is equipped with and helps
Push rod 40, resetting spring 41, damping spring 43, connect voltage plate 44, driving groove 45, electrified wire 46, bottom at boosting bar fixing axle 42
Portion's conducting wire 47 connects electric contact block 48, and the door-opening mechanism 4 is embedded in 2 inner tip of elevator door, and the boosting bar 40 passes through spiral shell
Bolt riveted is connected on the guide rod 3 of top, and the resetting spring 41 is embedded between driving groove 45 and boosting bar 40, the boosting bar
Fixing axle 42 is connected to by bolt riveted on the guide rod 3 of top, and the damping spring 43, which is embedded at, connects 44 bottom of voltage plate, described
Voltage plate 44 is connect to be connected to inside driving groove 45 by bolt riveted, the driving groove 45 is embedded at 2 inner tip of elevator door,
The electrified wire 46 is connected between power supply 10 and driving groove 45, and the base conductor 47, which is connected to, connects electric contact block 48 and power supply
Described to connect electric contact block 48 and be connected between base conductor 47 between 10, the boosting bar 40 is rectangular rod structure, the boosting
Bar 40 is equipped with boosting bar fixing axle 42, and the boosting bar fixing axle 42 is connected to 40 top of boosting bar by bolt riveted, described
Boosting bar 40 is connected to by 42 riveted of boosting bar fixing axle on the guide rod 3 of top, and the micro contact switch 51 is equipped with fine motion bullet
Spring 510, fine motion contact block 511, fine motion strut 512, supporting rod 513, the hair 510 are embedded at 512 appearance of fine motion strut
On face, the fine motion contact block 511 is connected to 512 top of fine motion strut, and the fine motion strut 512 is connected to sense by bolt riveted
It answers between item 21 and fine motion contact block 511, the supporting rod 513 is connected between power-off conducting wire 50 and induction strip 21.
This equipment when in use, can make in latch hook insertion driving groove after elevator reaches certain position, drive elevator layer
Door is opened, and after personnel enter elevator, starts elevator, boosting bar promotes elevator door to close, and such as someone enters electricity at this time
Ladder touches induction strip, it will stops the operation of elevator, elevator door is opened, and the generation of accidents, the enhancing sense such as avoids causing crushing
Reaction speed is accelerated in the sensitivity answered.
Resetting spring of the present invention is to deform upon under external force, and after removing external force, spring is with regard to that can recover shape
The spring structure of state.
The present invention solves the problems, such as to be the prior art in use, because the sensing device of existing elevator door technology is volatile
Spirit is present with the insensitive situation of sensing, easily causes sensing failure by electronic induction technology, therefore can make after long-term use
Into inherent security risk, the phenomenon that causing to clip to people, occurs, while is unable to reach the problem of stopping elevator operation immediately again, this
Invention is combined with each other by above-mentioned component, can be made after elevator reaches certain position in latch hook insertion driving groove, driving electricity
Terraced layer door is opened, and after personnel enter elevator, starts elevator, and boosting bar promotes elevator door to close, such as at this time someone into
Enter elevator, touch induction strip, it will stop the operation of elevator, elevator door is opened, and the generation of accidents such as is avoided causing crushing, is increased
The problem of sensitivity sensed by force, quickening reaction speed.
| Boosting bar material | Stainless steel | Aluminium | Iron |
| Corrosion resistance | It is high | In | It is low |
| Robustness | By force | In | It is weak |
In summary：When boosting bar material is stainless steel, the robustness of boosting bar material is most strong, and corrosion resistance is best,
Therefore it is optimal selection to select stainless steel as boosting bar material.
The basic principles, main features and the advantages of the invention have been shown and described above, for this field skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes falling within the meaning and scope of the equivalent requirements of the claims in the present invention
It is interior.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (7)
1. a kind of elevator door with door-plate interlock, structure include column (1), elevator door (2), top guide rod (3),
Door-opening mechanism (4), emergent stopping mechanism (5), the column (1) is connected to elevator door (2) both ends by bolt riveted, described
Between elevator door (2) is connected to column (1) by bolt riveted, the top guide rod (3) is connected to electricity by bolt riveted
Above terraced layer door (2), the door-opening mechanism (4) is embedded at elevator door (2) inner tip, and the emergent stopping mechanism (5) is embedding
It is internal arranged on elevator door (2), it is characterised in that：
The column (1) is equipped with power supply (10), and it is internal that the power supply (10) is embedded at column (1)；
The elevator door (2) is equipped with walking roller (20), induction strip (21), and the walking roller (20) is connected by bolt riveted
Elevator door (2) bottom is connected to, the induction strip (21) is embedded on elevator door (2) outer edge；
The emergent stopping mechanism (5) is equipped with power-off conducting wire (50), micro contact switch (51), power-off contact block (52), power-off pressure
Plate (53), conductive rod (54), the power-off conducting wire (50) are connected between conductive rod (54) and micro contact switch (51),
The micro contact switch (51) is connected between power-off conducting wire (50), and the breakpoint contact block (52) is connected to power-off conducting wire (50)
Top, it is described power-off pressing plate (53) be embedded on boosting bar (40) side, the conductive rod (54) be connected to power supply (10) with
Between power-off conducting wire (50).
2. a kind of elevator door with door-plate interlock according to claim 1, it is characterised in that：The top guide rod
(3) guide groove (30), connecting plate (31) are equipped with, the guide groove (30) is embedded on top guide rod (3), the connecting plate (31)
It is connected to by bolt riveted between top guide rod (3) and elevator door (2).
3. a kind of elevator door with door-plate interlock according to claim 1, it is characterised in that：The door-opening mechanism
(4) be equipped with boosting bar (40), resetting spring (41), boosting bar fixing axle (42), damping spring (43), connect voltage plate (44), pass
Dynamic slot (45), electrified wire (46), connect electric contact block (48) at base conductor (47), and the door-opening mechanism (4) is embedded at elevator door
(2) in inner tip.
4. a kind of elevator door with door-plate interlock according to claim 3, it is characterised in that：The boosting bar
(40) it is connected to by bolt riveted on top guide rod (3), the resetting spring (41) is embedded at driving groove (45) and boosting bar
(40) between, the boosting bar fixing axle (42) is connected to by bolt riveted on top guide rod (3), the damping spring (43)
It is embedded at and connects voltage plate (44) bottom.
5. a kind of elevator door with door-plate interlock according to claim 3, it is characterised in that：It is described to connect voltage plate
(44) driving groove (45) inside being connected to by bolt riveted, the driving groove (45) is embedded at elevator door (2) inner tip,
The electrified wire (46) is connected between power supply (10) and driving groove (45), and the base conductor (47), which is connected to, connects electric contact block
(48) between power supply (10), the electric contact block (48) that connects is connected between base conductor (47).
6. a kind of elevator door with door-plate interlock according to claim 3, it is characterised in that：The boosting bar
(40) it is rectangular rod structure, the boosting bar (40) is equipped with boosting bar fixing axle (42), and the boosting bar fixing axle (42) is logical
It crosses bolt riveted to be connected at the top of boosting bar (40), the boosting bar (40) is connected to top by boosting bar fixing axle (42) riveted
On portion's guide rod (3).
7. a kind of elevator door with door-plate interlock according to claim 1, it is characterised in that：The fine motion contact
It switchs (51) and is equipped with hair (510), fine motion contact block (511), fine motion strut (512), supporting rod (513), the fine motion bullet
Spring (510) is embedded on fine motion strut (512) outer surface, and the fine motion contact block (511) is connected to fine motion strut (512) top,
The fine motion strut (512) is connected to by bolt riveted between induction strip (21) and fine motion contact block (511), the supporting rod
(513) it is connected between power-off conducting wire (50) and induction strip (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711213112.5A CN108100836B (en) | 2017-11-28 | 2017-11-28 | Elevator landing door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711213112.5A CN108100836B (en) | 2017-11-28 | 2017-11-28 | Elevator landing door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108100836A true CN108100836A (en) | 2018-06-01 |
| CN108100836B CN108100836B (en) | 2020-06-09 |
Family
ID=62207758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711213112.5A Expired - Fee Related CN108100836B (en) | 2017-11-28 | 2017-11-28 | Elevator landing door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108100836B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902520A (en) * | 2018-09-14 | 2020-03-24 | 胡本强 | Elevator overspeed protection device |
| CN112124340A (en) * | 2020-10-15 | 2020-12-25 | 贺冰洁 | Anti-pinch train door |
| US20210179390A1 (en) * | 2018-10-23 | 2021-06-17 | Mitsubishi Electric Corporation | Door-pinch detection device and elevator door device |
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| CN205772707U (en) * | 2016-05-17 | 2016-12-07 | 康达电梯有限公司 | A kind of safety edge device of elevator |
| CN205739981U (en) * | 2016-05-24 | 2016-11-30 | 康达电梯有限公司 | A kind of elevator door of band door-plate interlock |
| CN106185574A (en) * | 2016-08-31 | 2016-12-07 | 江苏创力电梯部件有限公司 | A kind of elevator safety shoe proof mechanism |
| CN206032991U (en) * | 2016-08-31 | 2017-03-22 | 江苏创力电梯部件有限公司 | Elevator safety edges for doors prevents pressing from both sides mechanism |
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| CN110902520A (en) * | 2018-09-14 | 2020-03-24 | 胡本强 | Elevator overspeed protection device |
| CN110902520B (en) * | 2018-09-14 | 2021-04-06 | 胡本强 | Elevator overspeed protection device |
| US20210179390A1 (en) * | 2018-10-23 | 2021-06-17 | Mitsubishi Electric Corporation | Door-pinch detection device and elevator door device |
| US11745984B2 (en) * | 2018-10-23 | 2023-09-05 | Mitsubishi Electric Corporation | Door-pinch detection device and elevator door device |
| CN112124340A (en) * | 2020-10-15 | 2020-12-25 | 贺冰洁 | Anti-pinch train door |
| CN112124340B (en) * | 2020-10-15 | 2022-04-08 | 杭州大萝卜网络科技有限公司 | Anti-pinch train door |
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| CN108100836B (en) | 2020-06-09 |
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