CN108928437B - Boarding bridge boarding building passageway - Google Patents
Boarding bridge boarding building passageway Download PDFInfo
- Publication number
- CN108928437B CN108928437B CN201811141020.5A CN201811141020A CN108928437B CN 108928437 B CN108928437 B CN 108928437B CN 201811141020 A CN201811141020 A CN 201811141020A CN 108928437 B CN108928437 B CN 108928437B
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- Prior art keywords
- cab apron
- channel
- passageway
- assembly
- plate
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- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000007306 turnover Effects 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 abstract description 3
- 230000007704 transition Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
- B63B27/143—Ramps
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/24—Bridges or similar structures, based on land or on a fixed structure and designed to give access to ships or other floating structures
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a boarding bridge boarding building channel, which comprises an outer channel and an inner channel, wherein the inner channel is slidably connected with the outer channel, the inner channel can be completely retracted into the outer channel, the inner channel further comprises a cab apron assembly, the cab apron assembly is rotatably arranged at one end of the inner channel, which can extend out of the outer channel, the cab apron assembly can be rotatably switched to a horizontal state or a vertical state, when the cab apron assembly is in the vertical state, the cab apron assembly is completely retracted into the inner channel, the cab apron assembly is made of an aluminum alloy material and driven by a linear motor, and the cab apron assembly further comprises a baffle plate which is locked in an opening and closing manner, so that the safety is improved.
Description
Technical Field
The utility model relates to the technical field of boarding bridges, in particular to a boarding bridge boarding building channel.
Background
Boarding bridge is a boarding device for passengers to get on or off between connection Hou Chuanlou and a mail wheel, wherein a boarding passage is an important component of the boarding bridge, the boarding bridge is in butt joint with a boarding building doorway through the passage and an affiliated cab apron, and the height and the distance between the boarding building passage ground and the boarding building are relatively fixed in general cases because the boarding building is relatively fixed in height. In order to adapt to different working condition requirements, when boarding the bridge and needing two ends to connect alternately to wait for the ship building, one end connects the ship passageway and uses the dock to wait for the ship building, and the other end connects to wait for the ship building passageway to need to keep sealing the rain-proof and need adjust the height as the transition passageway, so need the close side connect to wait for the ship building passageway can realize with waiting for the ship building between the height and the adjustment of relative distance. The lap joint cab apron of the boarding bridge in the prior art is made of steel, is very heavy and has high power requirement on the overturning driving mechanism. And the prior art generally adopts a hydraulic drive lap-jointed cab apron. The utility model of patent number CN207241964U discloses a passenger boarding bridge cab apron and boarding bridge comprising the cab apron, which discloses a technical scheme of a ship receiving channel and a cab apron thereof, wherein an inner channel cannot be completely retracted into an outer channel, the cab apron is retracted to realize the sealing of a structure, the weather-proof effect is poor, the cab apron adopts a hydraulic driving cab apron retraction mechanism to realize the overturning of the cab apron, the cab apron is made of steel, the whole weight is heavy, and in the overturning process, the load change of a hydraulic system is larger due to the position change of the cab apron supported by the retraction mechanism, particularly when the cab apron is positioned at two limit positions, the load of an oil cylinder is particularly small, the action is very easy to generate impact, and larger vibration is caused. When the turnover cab apron of the overlap joint waiting ship building overlaps the waiting ship building, gaps exist between two sides of the cab apron and the waiting ship building, and a technical scheme for preventing personnel from falling aiming at the gaps is not disclosed in the prior art. To sum up, the existing ship-building passageway of waiting generally can not realize the flexible, and the bridging cab apron can not fully take in inside the passageway, can not realize airtight weather proof moreover, and the bridging cab apron is mostly made by steel, and the dead weight is great, and is high to the power demand of upset actuating mechanism, adopts the hydro-cylinder to drive the upset of cab apron generally, needs to set up hydraulic system, and the cost is higher, and need consider hydraulic package and pipeline's arrangement, still need periodic maintenance, maintenance cost is higher.
Disclosure of Invention
Accordingly, the main object of the present utility model is to provide a boarding bridge boarding building passageway, comprising an outer passageway and an inner passageway, wherein the inner passageway is slidably connected with the outer passageway, and the inner passageway can be completely retracted into the outer passageway, the inner passageway further comprises a cab apron assembly, the cab apron assembly is rotatably mounted at one end of the inner passageway, which can extend out of the outer passageway, and the cab apron assembly can be rotatably switched to a horizontal state or a vertical state, when the cab apron assembly is in the vertical state, the cab apron assembly is completely retracted into the inner passageway, and is made of an aluminum alloy material and driven by a linear motor, and the cab apron assembly further comprises a baffle plate for opening and closing locking, so that the safety is improved.
In order to achieve the above-mentioned object, the present utility model provides a boarding bridge boarding building passageway, comprising an outer passageway and an inner passageway, wherein the inner passageway is slidably connected with the outer passageway, the inner passageway is slidably extended out of or retracted into the outer passageway at one end of the outer passageway, and the inner passageway can be completely retracted into the outer passageway, the inner passageway comprises a cab apron assembly, the cab apron assembly is rotatably mounted at one end of the inner passageway, which can extend out of the outer passageway, the cab apron assembly can be rotated to a horizontal state and parallel to the inner passageway, the cab apron assembly can be rotated to a vertical state and vertical to the inner passageway, and when the cab apron assembly is rotated to the vertical state, the cab apron assembly is completely retracted into the inner passageway.
Preferably, a rolling door is arranged at one end of the inner channel, which extends out or is retracted, and the rolling door can be completely closed when the inner channel is completely retracted into the outer channel and the cab apron assembly is turned to a vertical state.
Preferably, a plurality of pulley blocks are symmetrically arranged in the outer channel, the pulley blocks are fixedly connected with the outer channel, two pulley tracks are symmetrically arranged outside the inner channel corresponding to the pulley blocks, the pulley tracks are fixedly connected with the inner channel, and the pulley blocks are combined and connected with the pulley tracks.
Preferably, the boarding bridge boarding building channel comprises a transmission device, one end of the transmission device is fixedly connected to the bottom of the outer channel, the other end of the transmission device is connected to the bottom of the inner channel, the driving device drives the inner channel to extend out of the outer channel or retract into the outer channel, and the length of the inner channel extending out of the outer channel is adjusted.
Preferably, the transmission device adopts a driving structure such as an oil cylinder, a chain, a gear rack, a wire rope and the like.
Preferably, the cab apron assembly comprises a cab apron, two symmetrically arranged handrail plates and two symmetrically arranged linear motors, one end of each cab apron is rotatably connected with the inner channel, the two handrail plates are respectively arranged on two sides of each cab apron and are vertically and fixedly connected with the cab apron, the two linear motors are respectively arranged on two inner sides of the inner channel, the two linear motors are mutually parallel and respectively correspond to the two handrail plates, one end of each linear motor is fixedly connected with the inner channel, and the other end of each linear motor is connected with the corresponding handrail plate; the two motors synchronously extend or retract to drive the two handrail plates to move so as to drive the cab apron to turn over, when the linear motor extends, the cab apron turns over to be parallel to the inner channel, and the cab apron assembly is in a horizontal state; when the linear motor contracts, the cab apron is turned over to be perpendicular to the inner channel, and the cab apron assembly is in a perpendicular state.
Preferably, one end of the cab apron, which is far away from the inner channel, is provided with a lapping plate, the lapping plate is connected with the cab apron in a reversible way, and the lapping plate is consistent with the overturning direction of the cab apron.
Preferably, the cab apron assembly comprises two symmetrically arranged baffle plates, the two baffle plates are respectively arranged on two sides of the cab apron, and the two baffle plates are respectively and rotatably connected with the two armrest plates.
Preferably, a positioning hinge shaft is arranged on the armrest plate, the baffle is rotatably connected with the armrest plate through the positioning hinge shaft, and the baffle is limited through the positioning hinge shaft.
Preferably, the cab apron assembly comprises two symmetrically arranged drawing plates, the two drawing plates are parallel to each other and to the handrail plate, the drawing plates can be drawn out or retracted into the inner channel, and the drawing plates are completely retracted into the inner channel.
Compared with the prior art, the boarding bridge waiting building channel disclosed by the utility model has the advantages that: the cab apron assembly can be completely retracted into the inner channel, the inner channel can be completely retracted into the outer channel, and the airtight weather-proof performance can be greatly improved through the rolling shutter door arranged at the end part of the outer channel; the cab apron assembly has high strength, light dead weight and low turnover energy consumption, can be driven by a linear motor, is stable in turnover, has low cost and is easy to install and maintain; the baffles which can be opened and closed and locked are arranged on the two sides of the cab apron, so that gaps between the doorway of a waiting ship building and the cab apron can be filled, and the safety is higher.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a boarding bridge boarding building passageway according to the present utility model.
Fig. 2 is a partially enlarged view of the portion a in fig. 1.
Fig. 3 is a front view of a boarding bridge boarding pass of the present utility model.
Fig. 4 shows a schematic structure of the inner channel.
Fig. 5 is a partially enlarged view of the portion B in fig. 3.
Fig. 6 is a schematic structural diagram of the portion C in fig. 4.
A schematic view of the inner channel fully retracted inside the outer channel is shown in fig. 7.
Detailed Description
As shown in fig. 1, a boarding bridge waiting building passageway according to the present utility model includes an outer passageway 10 and an inner passageway 20, wherein the inner passageway 20 is nested inside the outer passageway 10, and the inner passageway 20 is slidably connected to the outer passageway 10, the inner passageway 20 can extend out of or retract into the outer passageway 10 during sliding, and the inner passageway 20 can fully retract into the outer passageway 10. The two ends of the outer channel 10 are respectively provided with a first rolling door 11 and a second rolling door 12, one end of the inner channel 20, provided with the second rolling door 12, of the outer channel 10 is extended or retracted in a sliding manner, and when the inner channel 20 is completely retracted in the outer channel 10, the second rolling door 12 can be completely closed, so that the tightness of the boarding bridge boarding building channel is improved, and the boarding bridge boarding building channel is effectively weather-proof. The inner channel 20 further comprises a cab apron assembly 21, the cab apron assembly 21 is rotatably mounted on one end of the inner channel 20, which can extend out of the outer channel 10, the cab apron assembly 21 has two states, namely a horizontal state and a vertical state, the cab apron assembly 21 is rotatably switched between the horizontal state and the vertical state, and is respectively used for overlapping a waiting building and taking in the inner channel 20, and the cab apron assembly 21 is completely taken in the inner channel 20 when in the vertical state. As shown in fig. 7, the second roll-up door 12 can be completely closed when the cab apron assembly 21 is in a vertical state and the inner aisle 20 is completely received in the outer aisle 10.
Specifically, as shown in fig. 2, a plurality of pulley blocks 101 are symmetrically disposed inside the outer channel 10, the pulley blocks 101 are fixedly connected with the outer channel, two pulley tracks 201 are symmetrically disposed outside the inner channel 20 corresponding to the pulley blocks 101, the pulley tracks 201 are fixedly connected with the inner channel 20, and the pulley blocks 101 are combined and connected with the pulley tracks 201. The inner channel 20 is slidably connected to the outer channel 10 via the pulley track 201 and the pulley block 101.
As shown in fig. 3, the boarding bridge boarding building channel further comprises a transmission device 30, one end of the transmission device 30 is fixedly connected to the bottom of the outer channel 10, the other end of the transmission device is connected to the bottom of the inner channel 20, the transmission device 30 is an oil cylinder, and is telescopic, and the transmission device 30 drives the inner channel 20 to extend out of the outer channel 10 or retract into the outer channel 10 in the telescopic process. The length of the inner channel 20 extending out of the outer channel 10 can be adjusted by the transmission device 30, i.e. the inner channel 20 can be driven by the transmission device 30 to adjust the length of the outer channel 10 according to the distance between the boarding bridge and the waiting building. In this embodiment, the transmission device 30 is in the form of an oil cylinder, but the transmission device may also adopt a driving structure such as a chain, a rack and pinion, a wire rope, etc., so as to realize the extending and retracting action of the inner channel 20 relative to the outer channel 10.
As shown in fig. 4, the cab apron assembly 21 includes a cab apron 211, two symmetrically disposed armrest plates 212, two symmetrically disposed baffles 213, two symmetrically disposed linear motors 214, and two symmetrically disposed drawer plates 215. One end of the transition plate 211 is provided with a hinge 2111, the transition plate 211 is connected with the inner channel 20 through the hinge shaft 2111, the transition plate 211 can be turned relative to the inner channel 20 through the hinge shaft 2111, and the transition plate 211 can be turned to extend out of the inner channel 20 or be completely retracted into the inner channel 20. The other end of the cab apron 211 is provided with a lapping plate 2112, the lapping plate 2112 is connected with the cab apron 211 in a reversible manner, the lapping plate 2112 is consistent with the turning direction of the cab apron 211, the lapping plate 2112 is used for further extending the length of the cab apron 211, and a gentle slope is formed between the waiting building floor and the cab apron 211, so that passengers can conveniently enter the channel. The bridging plate 2112 is parallel to the inner passage 20 when the transition plate 211 is turned to be parallel to the inner passage 20, and the bridging plate 2112 is turned by about 90 ° to be located inside the inner passage 20 when the transition plate 211 is turned to be perpendicular to the inner passage 20.
The two handrail plates 212 are respectively arranged at two sides of the cab apron 211 and are vertically and fixedly connected with the cab apron 211, and the two handrail plates 212 are mutually parallel. The two linear motors 214 are respectively disposed at two sides of the interior of the inner channel 20, the two linear motors 214 are parallel to each other and respectively correspond to the two handrail plates 212, one ends of the two linear motors 214 are respectively fixedly connected with the inner channel 20, and the other ends of the two linear motors 214 are connected with the corresponding handrail plates 212. Specifically, as shown in fig. 5, a hinge shaft 2122 is disposed on the armrest plate 212, and the armrest plate 212 is connected to the linear motor 214 via the hinge shaft 2122. The linear motors 214 drive the handrail plate 212 to move through the hinge shafts in the telescoping process, and the two linear motors 214 synchronously move so as to drive the cab apron 211 to overturn. When the linear motor 214 is extended, the cab apron 211 is turned over to be parallel to the inner channel 20 so as to realize overlap joint, and the cab apron assembly 21 is in a horizontal state; when the linear motor 214 is contracted, the cab apron 211 is turned over to be perpendicular to the inner channel 20, and the cab apron 211 and the two armrest plates 212 are completely retracted into the inner channel 20, so that the cab apron assembly 21 is in a vertical state. The cab apron 211 and the two handrail plates 212 are formed by welding high-strength aluminum alloy materials, the strength is high, the weight is light, the linear motor is driven stably, the running cost is low, the installation is convenient, and the maintenance is easy.
The two baffles 213 are respectively disposed at two sides of the cab apron 211, and the two baffles 213 are respectively rotatably connected with the two armrest plates 212, and the baffles 213 can be turned to be perpendicular to the armrest plates 212 and fixed. Specifically, as shown in fig. 6, a positioning hinge 2121 is disposed on the armrest plate 212, and the baffle 213 is rotatably connected to the armrest plate 212 through the positioning hinge 2121, and the baffle 213 can be limited by the positioning hinge 2121. The shutter 213 can be locked by the positioning hinge 2121 when the shutter 213 is opened or closed in place. When the baffle 213 is closed to be parallel to the armrest plate 212, the baffle 213 can be retracted into the inner passage 20 along with the armrest plate 212, and when the baffle 213 is opened to be perpendicular to the armrest plate 212, the baffle 213 can block a gap between a door of a waiting ship building and the armrest plate 212, thereby preventing personnel from falling and improving safety. Two of the drawing plates 215 are slidably connected to the inside of the inner passage 20, respectively, the two drawing plates 215 are parallel to each other and to the armrest plate 212, and the drawing plates 215 can be drawn out of or received into the inner passage 20. When the drawing plate 215 can be completely retracted into the inner channel 20, and when the drawing plate 215 is drawn out, the drawing plate 215 fills the gap between the inner channel 210 and the baffle 212, thereby further improving the safety.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The boarding bridge boarding building passageway is characterized by comprising an outer passageway and an inner passageway, wherein the inner passageway is slidably connected with the outer passageway, the inner passageway is slidably extended out of or retracted into the outer passageway at one end of the outer passageway, the inner passageway can be completely retracted into the outer passageway, the inner passageway comprises a cab apron assembly, the cab apron assembly is rotatably arranged at one end of the inner passageway, which can extend out of the outer passageway, the cab apron assembly can be rotated to a horizontal state and parallel to the inner passageway, the cab apron assembly can be rotated to a vertical state and vertical to the inner passageway, and when the cab apron assembly is rotated to the vertical state, the cab apron assembly can be completely retracted into the inner passageway;
the outer channel is provided with a rolling door at one end of the inner channel, which extends out or is retracted, and when the inner channel is completely retracted into the outer channel and the cab apron assembly is turned to a vertical state, the rolling door can be completely closed; the inside symmetry of outer passageway sets up a plurality of assembly pulleys, the assembly pulley with outer passageway fixed connection, the interior passageway outside corresponds the assembly pulley symmetry sets up two pulley tracks, pulley track with interior passageway fixed connection, the assembly pulley with pulley track composite connection.
2. The boarding bridge waiting building channel according to claim 1, comprising a transmission device, wherein one end of the transmission device is fixedly connected to the bottom of the outer channel, the other end of the transmission device is connected to the bottom of the inner channel, the transmission device drives the inner channel to extend out of the outer channel or retract into the outer channel, and the length of the inner channel extending out of the outer channel is adjusted.
3. Boarding bridge boarding building channel according to claim 2, wherein the transmission device adopts an oil cylinder or a chain or a rack and pinion or a wire rope driving structure.
4. The boarding bridge boarding building channel according to claim 1, wherein the ferry plate assembly comprises a ferry plate, two symmetrically arranged handrail plates and two symmetrically arranged linear motors, one end of each ferry plate is rotatably connected with the inner channel, the two handrail plates are respectively arranged at two sides of the ferry plate and are vertically and fixedly connected with the ferry plate, the two linear motors are respectively arranged at two sides of the inner channel, the two linear motors are mutually parallel and respectively correspond to the two handrail plates, one end of each linear motor is fixedly connected with the inner channel, and the other end of each linear motor is connected with the corresponding handrail plate; the two motors synchronously extend or retract to drive the two handrail plates to move so as to drive the cab apron to turn over, when the linear motor extends, the cab apron turns over to be parallel to the inner channel, and the cab apron assembly is in a horizontal state; when the linear motor contracts, the cab apron is turned over to be perpendicular to the inner channel, and the cab apron assembly is in a perpendicular state.
5. The boarding bridge waiting building channel according to claim 4, wherein one end of the cab apron far away from the inner channel is provided with a lapping plate, the lapping plate is connected with the cab apron in a reversible manner, and the lapping plate is consistent with the turning direction of the cab apron.
6. The boarding bridge waiting building channel according to claim 4, wherein the cab apron assembly comprises two symmetrically arranged baffle plates, the two baffle plates are respectively arranged at two sides of the cab apron, and the two baffle plates are respectively and rotatably connected with the two armrest plates.
7. The boarding bridge waiting building channel according to claim 6, wherein a positioning hinge shaft is arranged on the handrail plate, the baffle plate is rotatably connected with the handrail plate through the positioning hinge shaft, and the baffle plate is limited through the positioning hinge shaft.
8. The boarding bridge waiting building channel of claim 6, wherein the cab apron assembly comprises two symmetrically disposed pull plates, the two pull plates being parallel to each other and to the armrest plate, the pull plates being capable of being pulled out of or retracted into the interior channel, the pull plates being fully retracted into the interior channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141020.5A CN108928437B (en) | 2018-09-28 | 2018-09-28 | Boarding bridge boarding building passageway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141020.5A CN108928437B (en) | 2018-09-28 | 2018-09-28 | Boarding bridge boarding building passageway |
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| Publication Number | Publication Date |
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| CN108928437A CN108928437A (en) | 2018-12-04 |
| CN108928437B true CN108928437B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811141020.5A Active CN108928437B (en) | 2018-09-28 | 2018-09-28 | Boarding bridge boarding building passageway |
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| CN113981798A (en) * | 2021-11-10 | 2022-01-28 | 中建威尔(深圳)工业设备有限公司 | Electric telescopic approach bridge of lifting bridge |
| CN114427185A (en) * | 2021-12-20 | 2022-05-03 | 杭州市路桥集团股份有限公司 | Spliced greening floating island system |
| CN114360117B (en) * | 2022-01-13 | 2024-01-26 | 天津港第二集装箱码头有限公司 | Unmanned intelligent side pavilion inspection device for wharf and operation control method thereof |
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| CN207241964U (en) * | 2017-08-25 | 2018-04-17 | 华德宝机械（昆山）有限公司 | A kind of traveler boarding bridge cab apron and the boarding bridge comprising the cab apron |
| CN207241965U (en) * | 2017-08-25 | 2018-04-17 | 华德宝机械（昆山）有限公司 | A kind of Embarking of Passenger bridges ship passage |
| CN209142337U (en) * | 2018-09-28 | 2019-07-23 | 华德宝机械（昆山）有限公司 | One kind, which goes on board to bridge, waits castle channel |
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| Publication number | Publication date |
|---|---|
| CN108928437A (en) | 2018-12-04 |
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