CN106494425B - A kind of convertible switching mechanism of trolley coach front deck - Google Patents
A kind of convertible switching mechanism of trolley coach front deck Download PDFInfo
- Publication number
- CN106494425B CN106494425B CN201610994363.0A CN201610994363A CN106494425B CN 106494425 B CN106494425 B CN 106494425B CN 201610994363 A CN201610994363 A CN 201610994363A CN 106494425 B CN106494425 B CN 106494425B
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- China
- Prior art keywords
- head
- level sensor
- shield
- guide groove
- lock tongue
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/02—Construction details of vehicle bodies reducing air resistance by modifying contour ; Constructional features for fast vehicles sustaining sudden variations of atmospheric pressure, e.g. when crossing in tunnels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Prostheses (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Superstructure Of Vehicle (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention belongs to railway vehicle device technical fields, it is related to a kind of convertible switching mechanism of trolley coach front deck, when needing to open whole head-shield, pull unlock steel wire rope, a lock tongue is turned off to lift and touch closing level sensor, it closes level sensor and transfers signals to pneumatic control case, control cylinder rod is released forward, slide plate is driven to be slided straight forward along guide rail, head-shield downwardly turns under gravity and the active force of gas spring when guide groove wheel reaches the arc groove location of guide groove, intermediate level sensor pressing plate is rotated with head-shield stent, touch intermediate level sensor, pneumatic control case control cylinder rod is retracted, so as to which head-shield be driven to reach final open position and automatic blocking;Whole front deck opening and closing function is realized using push rod power and gravity factor, and reliability is high, and manufacture, maintenance cost are low.
Description
Technical field
The invention belongs to railway vehicle device technical fields more particularly to a kind of utilization push rod power and gravity factor to realize
Whole front deck opening and closing function, reliability is high, the low convertible switching mechanism for trolley coach front deck of manufacture, maintenance cost.
Background technology
The equipment such as the hitch of the conventional trucks such as existing subway, inter-city train are directly exposed or with bolt fixing head end cap,
Its appearance is poor or dismounting is difficult, time-consuming and laborious, while air drag is larger, and equipment is easily damaged.
Existing bullet train switching mechanism is rotary, and train head lid is divided into two pieces of left and right along the longitudinally asymmetric face of car body,
Either on or off function is similar to the opening and closing of door leaf, and more using number of cylinders, corresponding structure, electrical pipeline and control system are also more multiple
Miscellaneous, in the form of a single, volume, weight are larger, and cost is higher, need power supply and compressed air interface, and flexibility is poor.
Invention content
It is an object of the invention to overcome shortcoming of the existing technology, seek to design a kind of utilization push rod power and gravity
Factor realizes whole front deck opening and closing function, and reliability is high, and manufacture, maintenance cost is low is opened for the convertible of trolley coach front deck
Close mechanism.
To achieve these goals, invent the technical solution that uses for:
A kind of convertible switching mechanism of trolley coach front deck, including mechanism composition, unlock steel wire rope, pneumatic control case;Institute
It states mechanism composition and includes support framework, cylinder, synchronizing bar, guide groove, guide rail, head-shield stent, rotating dog, slide plate, synchronizing wheel, gas bullet
Spring, close stance lock tongue, closes level sensor, opens level sensor, intermediate level sensor, intermediate level sensor at open position lock tongue
Pressing plate, guide groove wheel;The pneumatic control case is connect with cylinder;
The guide groove includes straight-line groove, arc groove and U-type groove three parts, straight-line groove and is connected with arc groove, and U-type groove is located at arc
The inside of shape slot;The guide groove and guide rail are fixedly installed on support framework, and guide rail is located at the lower section of guide groove;The end of the slide plate
Portion and guide rail, slide plate are moved relative to guide rail tandem;The cylinder is fixed on support framework, cylinder rod and cunning
Plate connects;
The tail end of the gas spring is fixed on by axis pin on slide plate, and the front end of gas spring is connected by axis pin and head-shield stent
It connects, the tail end of gas spring and front end can be rotated around axis pin, provide power-assisted during head-shield rotation;The middle part of the head-shield stent leads to
It crosses rotating dog to be fixed on slide plate, head-shield stent can be rotated around rotating dog;The end of head-shield stent be equipped with guide groove wheel, guide groove wheel with
Guide groove matches;
The both ends of the synchronizing bar are in rotatably to be fixed on above the support framework of the left and right sides, the lower extension of synchronizing bar
Portion is equipped with sliding slot;The synchronizing wheel is installed on slide plate, and the sliding slot of synchronizing wheel and synchronizing bar lower extension matches;
The close stance lock tongue is installed on above the straight-line groove end of guide groove, and locking spring is located above close stance lock tongue,
Close stance lock tongue is connect with unlock steel wire rope;The top of close stance lock tongue, which is equipped with, closes level sensor;Close stance lock tongue passes through solution
Lock steel wire rope lifts realization unlock, and locking spring is compressed when lifting, and falls reset by locking spring, realizes and lock;It is described to beat
Open position lock tongue is installed on support framework, and opposite with the U-type groove of guide groove, opens level sensor installation corresponding with open position lock tongue
In on support framework;The intermediate level sensor pressing plate is fixed on head-shield stent, and can be rotated with head-shield stent, and interposition passes
Sensor is fixed on slide plate, and the end of intermediate level sensor pressing plate is corresponding with intermediate level sensor;Open level sensor, interposition
Sensor and closing level sensor are connect respectively with pneumatic control case.
Preferably, the end of the unlock steel wire rope is connect with manual knob, and manual knob is located in drivers' cab;
Preferably, the side of the slide plate is additionally provided with backstop, when head-shield stent and head-shield being total in gas spring and gravity
Under same-action, when head-shield stent is with de contact, guide groove wheel is aligned with U-type groove;
Preferably, the pneumatic control case is connect with cylinder by gas circuit pipe;Open level sensor, intermediate level sensor
It is connect respectively by gas circuit pipe with pneumatic control case with level sensor is closed;
Preferably, the opening ecto-entad rounding off of the U-type groove and arc groove;
Preferably, the link position rounding off of the arc groove and straight-line groove;
Preferably, in the installation of closing level sensor and support framework above the close stance lock tongue;
Preferably, the front end of the head-shield stent is connect with whole head-shield.
The principle of the present invention is:When needing to open whole head-shield, unlock steel wire rope is pulled, a lock tongue is turned off and lifts,
Level sensor is closed in close stance lock tongue touching at this time, is closed level sensor and is transferred signals to pneumatic control case, then pneumatic control
Case processed is controlled to be acted to cylinder, and cylinder rod is released forward, slide plate is driven to be slided straight forward along guide rail, guide groove wheel is being led at this time
It is slided in the straight-line groove of slot, head-shield stent cannot rotate, and head-shield stent and head-shield reach Fig. 3 institutes with slide plate straight forward movement
Show position;
When reaching position shown in Fig. 3, guide groove wheel reaches the arc groove location of guide groove, and head-shield is in gravity and gas spring at this time
It is downwardly turned under active force, position shown in Fig. 4 can be reached;
When reaching position shown in Fig. 4, intermediate level sensor pressing plate is rotated with head-shield stent, touches intermediate level sensor, this
When interposition sensor transmissions signal give pneumatic control case, control cylinder rod is retracted, so as to which head-shield be driven to reach final open
Position, as shown in Figure 5.Guide groove wheel enters in the U-type groove of guide groove at this time, and squeezes open position lock tongue, and arrival open position is simultaneously automatic
Locking.
When needing to close head-shield, open position lock tongue is moved manually under vehicle, make open position lock tongue touching open position sensing
Device controls cylinder rod to stretch out, reaches position shown in Fig. 4 by pneumatic control case.It needs manually to lift head-shield at this time and be turned to
Up to position shown in Fig. 3, intermediate level sensor pressing plate is made to be rotated with head-shield stent, can encounter and touch intermediate level sensor, transmitted
Signal gives pneumatic control case, and control cylinder rod is retracted, and reaches position shown in Fig. 2, close stance lock tongue automatic blocking.
Beneficial effects of the present invention are:
The present invention realizes the opening and closing work(of whole front deck using pneumatic and gravity factor in limited and irregular space
Can, novel form is simple and practical in structure, and reliability is high, and net synchronization capability is good, and manufacture, maintenance cost are low.
Description of the drawings
Fig. 1 is the head-shield closed mode schematic diagram of the present invention;
Fig. 2 is the head-shield of the present invention with the schematic diagram of slide plate straight forward movement;
Fig. 3 is the head-shield of the present invention in the schematic diagram for downwardly turning over end;
Fig. 4 for the head-shield of the present invention with slide plate moves along a straight line and completes the schematic diagram of opening backward;
Fig. 5 is the head-shield opening state schematic diagram of the present invention;
The mechanism that Fig. 6 is the present invention forms structure diagram;
Fig. 7 is the partial enlarged view one of mechanism composition;
Fig. 8 is the partial enlarged view two of mechanism composition;
Fig. 9 is the partial enlarged view three of mechanism composition;
Figure 10 is the synchronizing bar structure diagram of the present invention;
As Figure 1-10 shows:Head-shield 1, pneumatic control case 4, support framework 201, cylinder 202, synchronizing bar 203, guide groove 204,
Guide rail 205, rotating dog 207, slide plate 208, synchronizing wheel 209, gas spring 210, open position lock tongue 211, is closed at head-shield stent 206
Position lock tongue 212 closes level sensor 213, opens level sensor 214, intermediate level sensor 215, intermediate level sensor pressing plate
216th, guide groove wheel 217, unlock steel wire rope 218, backstop 219.
Specific embodiment
Below by specific embodiment combination attached drawing, the invention will be further described:
Embodiment 1
The convertible switching mechanism of trolley coach front deck of the present embodiment including mechanism composition, unlocks steel wire rope 218, pneumatic
Control cabinet 4;Mechanism composition includes support framework 201, cylinder 202, synchronizing bar 203, guide groove 204, guide rail 205, head-shield stent
206th, rotating dog 207, slide plate 208, synchronizing wheel 209, gas spring 210, open position lock tongue 211, close stance lock tongue 212, close stance
Sensor 213 opens level sensor 214, intermediate level sensor 215, intermediate level sensor pressing plate 216, guide groove wheel 217;Pneumatically
Control cabinet 4 is connect with cylinder 202 by gas circuit pipe;
Guide groove 204 includes straight-line groove, arc groove and U-type groove three parts, straight-line groove and is connected with arc groove, and U-type groove is located at arc
The inside of shape slot;Guide groove 204 and guide rail 205 are fixedly installed on support framework 201, and guide rail 205 is located at the lower section of guide groove 204;
The end of slide plate 208 is matched with guide rail 205, and slide plate 208 is moved relative to guide rail tandem;Cylinder 202 is fixed on carrying bone
On frame 201, the rod of cylinder 202 is connect with slide plate 208;
The tail end of gas spring 210 is fixed on by axis pin on slide plate 208, and the front end of gas spring 210 passes through axis pin and head-shield
Stent 206 connects, and the tail end of gas spring 210 and front end can be rotated around axis pin, provides power-assisted when head-shield 1 rotates;Head-shield branch
The middle part of frame 206 is fixed on by rotating dog 207 on slide plate 208, and head-shield stent 206 can be rotated around rotating dog 207;Head-shield stent
206 end is equipped with guide groove wheel 217, and guide groove wheel 217 matches with guide groove 204;
The both ends of synchronizing bar 203 are in 201 top of support framework for being rotatably fixed on the left and right sides, synchronizing bar 203
Lower extension is equipped with sliding slot;Synchronizing wheel 209 is installed on slide plate 208, the sliding slot phase of synchronizing wheel 209 and synchronizing bar lower extension
Match;
Close stance lock tongue 212 is installed on above the straight-line groove end of guide groove 204, and locking spring is located at close stance lock tongue 212
Top, close stance lock tongue 212 with unlock steel wire rope 218 connect;The top of close stance lock tongue 212, which is equipped with, closes level sensor
213;Close stance lock tongue 212 lifts realization unlock by unlocking steel wire rope 218, and locking spring is compressed when lifting, passes through locking bullet
Spring falls reset, realizes and locks;Open position lock tongue 211 is installed on support framework 201, and opposite with the U-type groove of guide groove 204,
Open that level sensor 214 is corresponding with open position lock tongue 211 is installed on support framework 201;Intermediate level sensor pressing plate 216 is fixed
It on head-shield stent 206, and can be rotated with head-shield stent 206, intermediate level sensor 215 is fixed on slide plate 208, and interposition passes
The end of sensor pressing plate 216 is corresponding with intermediate level sensor 215;It opens level sensor 214, intermediate level sensor 215 and closes
Level sensor 213 is connect respectively by gas circuit pipe with pneumatic control case 4;The end of unlock steel wire rope 218 is connect with manual knob,
Manual knob is located in drivers' cab;The front end of head-shield stent 206 is connect with whole head-shield 1.
Embodiment 2
The convertible switching mechanism of trolley coach front deck of the present embodiment, other are the same as embodiment 1 in addition to following difference:
The side of slide plate 208 is additionally provided with backstop 219, when head-shield stent 206 and head-shield 1 are in gas spring and the common work of gravity
Under, when head-shield stent 206 is contacted with backstop 219, guide groove wheel 217 is aligned with U-type groove;U-type groove and the opening of arc groove by
Rounding off outside to inside;The link position rounding off of arc groove and straight-line groove;The close stance sensing of 212 top of close stance lock tongue
In the installation of device 213 and support framework.
Claims (3)
1. a kind of convertible switching mechanism of trolley coach front deck, including mechanism composition, unlock steel wire rope (218), pneumatic control case
(4);It is characterized in that:Mechanism composition include support framework (201), cylinder (202), synchronizing bar (203), guide groove (204),
Guide rail (205), head-shield stent (206), rotating dog (207), slide plate (208), synchronizing wheel (209), gas spring (210), open position
Lock tongue (211), close stance lock tongue (212) close level sensor (213), open level sensor (214), intermediate level sensor
(215), intermediate level sensor pressing plate (216), guide groove wheel (217);The pneumatic control case (4) is electrically connected with cylinder (202);
The guide groove (204) is connected including straight-line groove, arc groove and U-type groove three parts, straight-line groove with arc groove, and U-type groove is located at
The inside of arc groove;The guide groove (204) and guide rail (205) are fixedly installed on support framework (201), and guide rail (205) is located at
The lower section of guide groove (204);The end of the slide plate (208) is matched with guide rail (205), and slide plate (208) is relative to straight before and after guide rail
Line moves;The cylinder (202) is fixed on support framework (201), and the rod of cylinder (202) is connect with slide plate (208);
The tail end of the gas spring (210) is fixed on by axis pin on slide plate (208), and the front end of gas spring (210) passes through axis pin
It is connect with head-shield stent (206);The middle part of the head-shield stent (206) is fixed on by rotating dog (207) on slide plate (208),
Head-shield stent (206) can be rotated around rotating dog (207);The end of head-shield stent (206) is equipped with guide groove wheel (217), guide groove wheel
(217) match with guide groove (204);
The both ends of the synchronizing bar (203) are in rotatably to be fixed on above the support framework (201) of the left and right sides, synchronizing bar
(203) lower extension is equipped with sliding slot;The synchronizing wheel (209) is installed on slide plate (208), synchronizing wheel (209) and synchronizing bar
The sliding slot of lower extension matches;
The close stance lock tongue (212) is installed on above the straight-line groove end of guide groove (204), and locking spring is located at close stance lock tongue
(212) top, close stance lock tongue (212) are connect with unlock steel wire rope (218);The top of close stance lock tongue (212), which is equipped with, closes
Close level sensor (213);The open position lock tongue (211) is installed on support framework (201), and with the U-type groove of guide groove (204)
Relatively, opening level sensor (214) is corresponding with open position lock tongue (211) is installed on support framework (201);The interposition passes
Sensor pressing plate (216) is fixed on head-shield stent (206), and can be rotated with head-shield stent (206), intermediate level sensor (215)
It is fixed on slide plate (208), the end of intermediate level sensor pressing plate (216) is corresponding with intermediate level sensor (215);Open position passes
Sensor (214), intermediate level sensor (215) and closing level sensor (213) are connect respectively with pneumatic control case (4);
The end of the unlock steel wire rope (218) is connect with manual knob;Close stance above the close stance lock tongue (212) passes
Sensor (213) is installed on support framework (201).
2. the convertible switching mechanism of trolley coach front deck according to claim 1, it is characterised in that:The slide plate (208)
Side be additionally provided with backstop (219), when head-shield stent (206) and head-shield (1) are in gas spring (210) and the collective effect of gravity
Under, when head-shield stent (206) is contacted with backstop (219), guide groove wheel (217) is aligned with U-type groove.
3. the convertible switching mechanism of trolley coach front deck according to claim 1, it is characterised in that:The head-shield stent
(206) front end is connect with whole head-shield (1).
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610994363.0A CN106494425B (en) | 2016-11-11 | 2016-11-11 | A kind of convertible switching mechanism of trolley coach front deck |
MYPI2019002652A MY196731A (en) | 2016-11-11 | 2016-11-29 | Turnover-type opening and closing mechanism for rail carriage front hatch |
PCT/CN2016/107651 WO2018086166A1 (en) | 2016-11-11 | 2016-11-29 | Turnover-type opening and closing mechanism for rail carriage front hatch |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610994363.0A CN106494425B (en) | 2016-11-11 | 2016-11-11 | A kind of convertible switching mechanism of trolley coach front deck |
CN201621220752.XU CN206598848U (en) | 2016-11-11 | 2016-11-11 | A kind of convertible switching mechanism of trolley coach front deck |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106494425A CN106494425A (en) | 2017-03-15 |
CN106494425B true CN106494425B (en) | 2018-06-22 |
Family
ID=58324322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610994363.0A Active CN106494425B (en) | 2016-11-11 | 2016-11-11 | A kind of convertible switching mechanism of trolley coach front deck |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN106494425B (en) |
MY (1) | MY196731A (en) |
WO (1) | WO2018086166A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106837040A (en) * | 2017-02-22 | 2017-06-13 | 长春路通轨道车辆配套装备有限公司 | The interlock turnover mechanism of headstock front end electric control gear AD |
DE102018127618A1 (en) * | 2018-11-06 | 2020-05-07 | Voith Patent Gmbh | Bow flap arrangement |
CN110422186B (en) * | 2019-08-29 | 2024-09-03 | 湖南联诚轨道装备有限公司 | Locomotive hood opening and closing device |
CN113928351B (en) * | 2021-10-26 | 2022-12-16 | 交控科技股份有限公司 | A cover body structure and rail vehicle for rail vehicle |
CN113928352B (en) * | 2021-10-26 | 2022-09-02 | 交控科技股份有限公司 | Hood control system for rail vehicles |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201592714U (en) * | 2010-01-12 | 2010-09-29 | 今创集团有限公司 | Opening and closing mechanism of motor train unit head end cover |
JP4762079B2 (en) * | 2006-08-10 | 2011-08-31 | 川崎重工業株式会社 | Cover opening / closing device for the top part of high-speed railway vehicles |
CN202147689U (en) * | 2011-07-28 | 2012-02-22 | 青岛威奥轨道装饰材料制造有限公司 | Front-end opening and closing mechanism for railway vehicle and railway vehicle |
JP4901548B2 (en) * | 2007-03-29 | 2012-03-21 | 川崎重工業株式会社 | Snow plow cover opening and closing device |
CN202952986U (en) * | 2012-12-01 | 2013-05-29 | 南车青岛四方机车车辆股份有限公司 | Openable front cover for head of rail vehicle |
CN104742922A (en) * | 2015-04-01 | 2015-07-01 | 青岛威奥轨道装饰材料制造有限公司 | Front end opening and closing mechanism for guide groove type railway vehicle |
CN204775243U (en) * | 2015-04-01 | 2015-11-18 | 青岛威奥轨道装饰材料制造有限公司 | Guide slot formula is front end closing mechanism for rail vehicle |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR112014003312A2 (en) * | 2011-08-17 | 2017-04-18 | Voith Patent Gmbh | device for pivoting one or more front flaps of a rail-guided vehicle, particularly a rail vehicle and rail-guided vehicle, particularly rail vehicles |
CN103569143B (en) * | 2013-11-18 | 2016-03-02 | 株洲联诚集团有限责任公司 | A kind of locomotive panel mechanism for opening/closing |
CN104608781B (en) * | 2015-01-28 | 2017-02-22 | 今创集团股份有限公司 | Opening and closing mechanism for air guide sleeve on head of motor train unit |
CN204548117U (en) * | 2015-04-03 | 2015-08-12 | 福伊特专利有限公司 | For making the device of front hatch cover pivotable |
CN105109503B (en) * | 2015-09-09 | 2018-04-06 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle and its hood opening-closing mechanism |
-
2016
- 2016-11-11 CN CN201610994363.0A patent/CN106494425B/en active Active
- 2016-11-29 WO PCT/CN2016/107651 patent/WO2018086166A1/en active Application Filing
- 2016-11-29 MY MYPI2019002652A patent/MY196731A/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4762079B2 (en) * | 2006-08-10 | 2011-08-31 | 川崎重工業株式会社 | Cover opening / closing device for the top part of high-speed railway vehicles |
JP4901548B2 (en) * | 2007-03-29 | 2012-03-21 | 川崎重工業株式会社 | Snow plow cover opening and closing device |
CN201592714U (en) * | 2010-01-12 | 2010-09-29 | 今创集团有限公司 | Opening and closing mechanism of motor train unit head end cover |
CN202147689U (en) * | 2011-07-28 | 2012-02-22 | 青岛威奥轨道装饰材料制造有限公司 | Front-end opening and closing mechanism for railway vehicle and railway vehicle |
CN202952986U (en) * | 2012-12-01 | 2013-05-29 | 南车青岛四方机车车辆股份有限公司 | Openable front cover for head of rail vehicle |
CN104742922A (en) * | 2015-04-01 | 2015-07-01 | 青岛威奥轨道装饰材料制造有限公司 | Front end opening and closing mechanism for guide groove type railway vehicle |
CN204775243U (en) * | 2015-04-01 | 2015-11-18 | 青岛威奥轨道装饰材料制造有限公司 | Guide slot formula is front end closing mechanism for rail vehicle |
Also Published As
Publication number | Publication date |
---|---|
WO2018086166A1 (en) | 2018-05-17 |
CN106494425A (en) | 2017-03-15 |
MY196731A (en) | 2023-05-03 |
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