CN107745720B - Rolling stock and its cap structure - Google Patents
Rolling stock and its cap structure Download PDFInfo
- Publication number
- CN107745720B CN107745720B CN201710958868.6A CN201710958868A CN107745720B CN 107745720 B CN107745720 B CN 107745720B CN 201710958868 A CN201710958868 A CN 201710958868A CN 107745720 B CN107745720 B CN 107745720B
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- Prior art keywords
- cap structure
- crossbeam
- air grid
- attachment beam
- cover board
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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
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/12—Roofs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/009—Means for ventilating only
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses a kind of rolling stock and its cap structure, cap structure includes: the crossbeam (6) positioned at the top surface of cap structure；For fixing the attachment beam (1) of cap structure；Air grid (A) with ventilation opening；Connect the cantilevered corner beam (3) of air grid (A) and crossbeam (6), the outer surface of cantilevered corner beam (3) is the horizontal plane with the flush with outer surface of crossbeam (6), and cantilevered corner beam (3) is used to the contact surface of air grid (A) be the inclined surface for having certain angle with horizontal plane；Contact surface intersects with horizontal plane.Above-mentioned cap structure, reducing top cover upper surface and rail level distance, it meets on the basis of improving minimum bow net required distance, ensure the draught area of top cover two sides ventilation opening, the contradiction that top cover upper surface is not moved need to be guaranteed with two side-lining blower ventilation amounts by not only solving pantograph mounting surface (i.e. top cover upper surface) decline, and effectively prevent the noise generated because traction blower ventilation amount is inadequate, it is ensured that traffic safety.
Description
Technical field
The present invention relates to rolling stock equipment technical field, in particular to a kind of rolling stock and its cap structure.
Background technique
In current rail vehicle technology, it is desirable that the distance of contact net electrification part to dead earth object is not less than 300mm；
The distance of contact net electrification part to rolling stock or loading cargo is not less than 350mm, during existing Car design,
It is designed by above minimum electric clearance (bow net distance) requirement.In view of highlands rarefaction of air, in same voltage item
Under part, it is easier to puncture, actually when design vehicle operation height above sea level is more than 1000m, above-mentioned minimum bow net distance should be by regulation
It increase accordingly.In addition, the safety allowance that wind-force and icing influence insulation distance should be reserved for strong wind, severe cold area.It is setting
When meter operation is higher than the locomotive of 1000m height above sea level or concentrates power motor car group, it is contemplated that above-mentioned icing, strong wind and severe cold weather
Etc. influence factors, minimum bow net required distance should be increased.
As shown in Figure 1, attachment beam 9 and cantilevered corner beam 10 are respectively arranged at the both ends of air grid A.Top cover side is used existing
In the body construction of ventilation, after increasing minimum bow net distance, pantograph mounting surface (top cover upper surface) will certainly be reduced away from rail level
Distance.
On the one hand, it answers light-weighted car body design to require, design of cover is generally drawn into wind at dismountable big cap structure
Machine ventilation is needed from top cover lateral leadin, after top cover upper surface reduces, is had compressed traction blower side-vented height, is reduced and lead
Air-introduced machine draught area after traction blower ventilation amount reduces, in the case where guaranteeing that total vent flow is constant, causes to enter the wind flow velocity
Increase, causes the problems such as generating noise, abnormal sound when operation, directly affect vehicle-periphery, will lead to locomotive traction when serious
Blower temperature is excessively high, scaling loss, directly affects traffic safety.On the other hand, highlands rarefaction of air needs to increase traction blower
Draught area.But by about in the vertical height limitation of bogie, chassis, side wall (entrance door), leading to top cover and side wall mounting surface
It can not change away from rail level distance, to produce the contradiction for guaranteeing pantograph bow net distance and guaranteeing top cover side incoming air area.
Therefore, top cover upper surface and rail level distance how are reduced, meets and improves minimum bow net required distance, it is ensured that ventilating surface
Product avoids noise from generating and ensures traffic safety, is the technical problem to be solved by the personnel in the art.
Summary of the invention
In view of this, to reduce top cover upper surface and rail level distance, meeting and improving the present invention provides a kind of cap structure
Minimum bow net required distance, it is ensured that draught area avoids noise from generating and ensures traffic safety.The present invention also provides a kind of tools
There is the rolling stock of above-mentioned cap structure.
To achieve the above object, the invention provides the following technical scheme:
A kind of cap structure, comprising:
Crossbeam positioned at the top surface of the cap structure；
For fixing the attachment beam of the cap structure；
Air grid with ventilation opening；
The cantilevered corner beam of the air grid Yu the crossbeam is connected, the outer surface of the cantilevered corner beam is the outer surface with the crossbeam
Concordant horizontal plane, the cantilevered corner beam are used to the contact surface of the air grid be to have inclining for certain angle with the horizontal plane
Inclined-plane；The contact surface intersects with the horizontal plane.
Preferably, in above-mentioned cap structure, further include the side covering being covered on the outside of the air grid and be covered in
The top side covering of the cross rail outer.
It preferably, further include being connected between the air grid and the side covering, with institute in above-mentioned cap structure
State the side reinforcing rib that the outer edge of ventilation opening is correspondingly arranged.
Preferably, in above-mentioned cap structure, the side covering is to far from the curved bending covering of the air grid
Structure.
Preferably, in above-mentioned cap structure, the end carriage of the cap structure and the attachment beam, the cantilevered corner beam and the top
The stringer of lid structure is welded to connect.
Preferably, in above-mentioned cap structure, the attachment beam is hollow structure beam, and side has bolt construction opening；
The bolt that the underrun of the attachment beam passes through the bolt construction opening is fixed；
The cap structure further includes the covering plate structure for closing the bolt construction opening.
Preferably, in above-mentioned cap structure, the covering plate structure includes:
Cover board；
The cover board is articulated with the articulated shaft on the attachment beam；
It is set on the articulated shaft, the torsional spring for opening the cover board relative to the bolt construction opening；
The push type springlock being set on the cover board；
It is set at the bolt construction opening, the buckle for being correspondingly arranged with the push type springlock.
Preferably, in above-mentioned cap structure, cover plate installation seat is provided on the attachment beam；
The cover board is articulated on the cover plate installation seat by the articulated shaft；
One end of the torsional spring offsets with the cover board, and the other end offsets with the cover plate installation seat.
Preferably, it in above-mentioned cap structure, is provided on a component in the cover plate installation seat and the attachment beam
Dovetail configuration；
It is provided on another component in the cover plate installation seat and the attachment beam and is matched with the dovetail configuration
Dovetail groove.
The present invention also provides a kind of rolling stocks, including cap structure, which is characterized in that the cap structure is as weighed
Benefit requirement-described in any item cap structures.
It can be seen from the above technical scheme that cap structure provided by the invention, by the way that cantilevered corner beam is connected air grid
With crossbeam.Wherein, the power from equipment such as pantograph, high-voltage mutual inductor, earthing switches is born in the outer surface of cantilevered corner beam, passes through setting
Cantilevered corner beam effectively reduces distance of the outer surface apart from rail level of crossbeam so that the contact surface of cantilevered corner beam intersects with horizontal plane, that is, drop
Low distance of the top cover upper surface away from rail level effectively expands the design of bow net minimum range, meets the operation of the area such as High aititude
Locomotive minimum bow net required distance.And the inclined surface of cantilevered corner beam is contacted with air grid, in order to adjust crossbeam length and
The tilt angle of the inclined surface of cantilevered corner beam reaches the distance for adjusting cantilevered corner beam to attachment beam, and then adjusts the length of air grid, so as to
In the slant height degree for adjusting ventilation opening, have the function that adjust draught area, in order to meet draught area.The embodiment of the present invention mentions
The cap structure of confession is reducing top cover upper surface and rail level distance by above-mentioned setting, meets the minimum bow net distance of raising and wants
On the basis of asking, it is ensured that the draught area of ventilation opening, not only solve pantograph mounting surface (i.e. top cover upper surface) decline with
Two side-lining blower ventilation amounts need to guarantee the contradiction that top cover upper surface is not moved, and effectively prevent because drawing blower ventilation amount
The noise not enough generated, it is ensured that traffic safety.
The present invention also provides a kind of rolling stock and its cap structure with above-mentioned cap structure.Due to above-mentioned top cover
Structure has above-mentioned technique effect, and the rolling stock with above-mentioned cap structure should also have same technical effect, herein not
Tire out one by one again and states.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of schematic cross-sectional view of cap structure in the prior art；
Fig. 2 is the axis geodesic structure schematic diagram of cap structure provided in an embodiment of the present invention；
Fig. 3 is the vertical structure schematic diagram of cap structure provided in an embodiment of the present invention；
Fig. 4 is the schematic cross-sectional view of cap structure provided in an embodiment of the present invention；
Fig. 5 is the schematic cross-sectional view of cap structure provided in an embodiment of the present invention；
Fig. 6 is that schematic diagram is cutd open on the left side in the direction A along Fig. 5；
Fig. 7 is the schematic top plan view in the direction B along Fig. 5.
Specific embodiment
The invention discloses a kind of cap structures, to reduce top cover upper surface and rail level distance, meet and improve minimum bow net
Required distance, it is ensured that draught area avoids noise from generating and ensures traffic safety.The present invention also provides one kind to have above-mentioned top
The rolling stock of lid structure.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 2, Fig. 3 and Fig. 4, the embodiment of the invention provides a kind of cap structure, including crossbeam 6, attachment beam 1,
Air grid A, cantilevered corner beam 3.Crossbeam 6 is located at the top surface of cap structure, and for fixing cap structure, air grid A has attachment beam 1
Ventilation opening, air grid A are connect with crossbeam 6 by cantilevered corner beam 3, and the outer surface of cantilevered corner beam 3 is the level with the flush with outer surface of crossbeam 6
Face, cantilevered corner beam 3 are used to the contact surface of air grid A be the inclined surface for having certain angle with horizontal plane；Contact surface and horizontal plane
Intersection.
Cap structure provided in an embodiment of the present invention, by the way that cantilevered corner beam 3 is connected air grid A and crossbeam 6.Wherein, cantilevered corner beam 3
Outer surface bear the power from equipment such as pantograph, high-voltage mutual inductor, earthing switches, by be arranged cantilevered corner beam 3 so that cantilevered corner beam 3
Contact surface intersect with horizontal plane, effectively reduce distance of the outer surface apart from rail level of crossbeam 6, that is, reduce table on top cover
The distance of identity distance rail level effectively expands the design of bow net minimum range, meets the minimum of the locomotive of the area such as High aititude operation
Bow net required distance.And the inclined surface of cantilevered corner beam 3 is contacted with air grid A, in order to adjust the length of crossbeam 6 and inclining for cantilevered corner beam 3
The tilt angle on inclined-plane reaches and adjusts the distance that cantilevered corner beam 3 arrives attachment beam 1, and then adjusts the length of air grid A, in order to adjust
The slant height degree H for saving ventilation opening has the function that adjust draught area, in order to meet draught area.The embodiment of the present invention provides
Cap structure top cover upper surface and rail level distance are being reduced by above-mentioned setting, meet the minimum bow net required distance of raising
On the basis of, it is ensured that the draught area of ventilation opening not only solves pantograph mounting surface (i.e. top cover upper surface) decline and two
Side-lining blower ventilation amount need to guarantee the contradiction that top cover upper surface is not moved, and effectively prevent because of traction blower ventilation amount not
Enough and generation noise, it is ensured that traffic safety.
It is understood that longitudinally refer to the direction of dynamic rolling stock operation relative to cap structure and its all parts,
Laterally refer to the direction being transversely to the machine direction in the horizontal plane.It follows that crossbeam 6 is along the direction perpendicular to rolling stock operation
The long beam extended, stringer 4 is the long beam extended along the direction that rolling stock is run.
In this embodiment, in order to guarantee under the influence of the factors such as High aititude, strong wind, severe cold weather, pantograph
With contact net not disruptive discharge, distance of the 50mm top cover upper surface away from rail level is effectively reduced, bow net minimum range is designed as
400mm meets minimum bow net required distance, also, by the structure of the length and cantilevered corner beam 3 that adjust crossbeam 6, keeps cantilevered corner beam section most
It measures and is designed to car body longitudinal center, to increase the slant height degree H of ventilation opening, making ventilation slant height degree H value multiplied by length, (length is by pushing up
It is definite value depending on cover length) value satisfaction traction blower ventilation area requirements.
In order to ensure intensity and the function of each component, h value and l value in Fig. 4 should ensure that.Wherein, h value is that ventilation shutter is thick
Degree is stablized with the actual demand of ventilation shutter.L value is that the height of crossbeam 6 adds top side skin thickness, provided by the invention
In embodiment, l value is preferably 64mm.
Further, the lateral angle (i.e. contact surface intersect with horizontal plane angle) of cantilevered corner beam 3 has chamfering or fillet.Pass through
Chamfering or fillet are set, for modifying two top side arc surface of top cover.
In cap structure provided in an embodiment of the present invention, further includes the side covering 2 being covered on the outside of air grid A and cover
It is placed on the top side covering in 6 outside of crossbeam.By above-mentioned setting, the combination of cap structure is facilitated.
Further, cap structure further includes being connected between air grid A and side covering 2, the outside with ventilation opening
The side reinforcing rib 5 that edge is correspondingly arranged.
By above-mentioned setting, by side covering 2, top side covering, crossbeam 6, cap structure stringer 4 and side reinforcing rib 5
Welded together by modes such as plate-girder welding manners, constitute the two sides and outer surface of cap structure, with existing power point
The cap structure for dissipating the motor vehicles such as type EMU or railcar is compared, and cap structure weight is effectively reduced.
Further, side covering 2 is to far from the curved bending stressed-skin construction of air grid A.By above-mentioned setting, adjust
The whole structure and reasonable stress of side covering 2.
The end carriage 8 of cap structure and the stringer 4 of attachment beam 1, cantilevered corner beam 3 and cap structure are welded to connect.By above-mentioned setting,
End carriage 8 runs through the lateral length of entire cap structure, and attachment beam 1, cantilevered corner beam 2, stringer 4 are welded together, entire top has been set up
The space structure of lid structure, compared with traditional single part stretch bending end carriage, welding structural strength provided in an embodiment of the present invention,
Good rigidity and adaptable can be by elongating or shortening the lateral length of end carriage 8 especially when the structure of cap structure changes
Reach adjusting purpose, is effectively saved manufacturing cost.
Currently, cap structure on the outside of connection bolt and car body by connecting, design is just needed in top cover knot on the outside of car body
Bolt construction opening is reserved on structure.In the case where bolt construction opening is unclosed, it is easy to accumulate leaf in bolt construction opening
And the impurity such as dust, it has not been convenient to the cleaning of car body, also, be easy to save bit by bit a large amount of water mark in bolt construction opening, lead to top cover
The component of structure easily gets rusty.As shown in Fig. 5, Fig. 6 and Fig. 7, in the present embodiment, attachment beam 1 is hollow structure beam, side tool
There is bolt construction opening；The bolt 11 that the underrun of attachment beam 1 passes through bolt construction opening is fixed.Wherein, cap structure is also
Including the covering plate structure for blind bolt construction opening.By above-mentioned setting, the cleaning of car body is effectively facilitated, portion is reduced
The probability that part gets rusty.
Further, covering plate structure includes: cover board 15；The articulated shaft 13 cover board 15 being articulated on attachment beam 1；It is set to
Torsional spring 16 on articulated shaft 13, for opening cover board 15 relative to bolt construction opening；The push type being set on cover board 15
Springlock 14；It is set at bolt construction opening, the buckle 19 for being correspondingly arranged with push type springlock 14.
Wherein, articulated shaft 13 is preferably pin shaft.
When closing cover board 15, cover board 15 is center of rotation rotation with articulated shaft 13, the push type springlock 14 on cover board 15
Cooperate with the buckle 19 at bolt construction opening, completes the closing of cover board 15；When opening cover board 15, push type springlock is pressed
14, so that push type springlock 14 and 19 relative separation of buckle, for cover board 15 under the action of torsional spring 16, cover board 15 is relative to bolt
Construction opening is opened.
Preferably, it is fixed for the ease of installation, is provided with cover plate installation seat 17 on attachment beam 1；Cover board 15 passes through articulated shaft
13 are articulated on cover plate installation seat 17；One end of torsional spring 16 offsets with cover board 15, and the other end offsets with cover plate installation seat 17.?
In the present embodiment, cover plate installation seat 17 is connect with cover board 15 by articulated shaft 13, constitutes the structure that can be rotated along articulated shaft 13,
A fragment position is vacateed for arranging that torsional spring 16, one end and the cover board 15 of torsional spring 16 offset in the centre of articulated shaft 13, torsional spring 16 it is another
One end offsets with cover plate installation seat 17.
In the present embodiment, cover board 15 is designed as stamping parts, and outer surface is aligned after fastening with attachment beam 1.Preferably,
Cover plate installation seat 17, buckle 19 and the gusset of attachment beam 1 weld together, and push type springlock 14 is by finger push button
Afterwards, lock tongue can stretch longitudinally, and constituting cover board 15 with 19 positional relationship of buckle is open state or closed state.Finger
Push type springlock 14 is pressed, the lock tongue of push type springlock 14 gets rid of the position limitation of buckle 19, under the action of torsional spring 16,
Angle β between 16 two toggles of torsional spring increases, and cover board 15 is flicked automatically, flicked to certain position back shroud 15 by torsional spring 16
One end far from push type springlock 14 is contacted with cover plate installation seat 17, is opened at this time for cover board 15 relative to bolt construction opening
Maximum position.During dismantling cap structure, cap structure carries out disassembly lifting operation, will after the completion of dismounting operation
The lid of cover board 15 closes, and torsional spring 16 is always to be in compressive state in above procedure.
In the present embodiment, preferably that attachment beam 1 and cover plate installation seat 17 is fixed by screw 12.Screw 12 is interior hexagonal
Screw.
As shown in fig. 6, in order to improve the stability maintenance of cover plate installation seat 17 Yu attachment beam 1, cover plate installation seat 17 and company
It connects and is provided with dovetail configuration in beam 1 component；It is provided on another component in cover plate installation seat 17 and attachment beam 1
The dovetail groove matched with dovetail configuration.
In the present embodiment, there is dovetail configuration, attachment beam 1 issues dovetail groove, installation cover board peace on cover plate installation seat 17
When filling seat 17 and cover board 15, the dovetail configuration of cover plate installation seat 17 is mounted in the dovetail groove of attachment beam 1, then tightens screw again
12, in the process of running, even if screw 12 because of vibration failur, passes through dovetail configuration and the attachment beam 1 of cover plate installation seat 17
Dovetail groove type matching relationship, cover plate installation seat 17 will not fall off relative to attachment beam 1, effectively increase cover plate installation seat 17 with
The structural reliability of attachment beam 1.
The embodiment of the invention also provides a kind of rolling stock, including cap structure, cap structure is as above-mentioned any
Cap structure.Since above-mentioned cap structure has above-mentioned technique effect, the rolling stock with above-mentioned cap structure should also have
Same technical effect, not repeated them here.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of cap structure characterized by comprising
Crossbeam (6) positioned at the top surface of the cap structure；
For fixing the attachment beam (1) of the cap structure；
Air grid (A) with ventilation opening；
The cantilevered corner beam (3) of the air grid (A) Yu the crossbeam (6) are connected, the outer surface of the cantilevered corner beam (3) is and the crossbeam
(6) horizontal plane of flush with outer surface, the cantilevered corner beam (3) be used for be with the contact surface of the air grid (A) and the level
Face has the inclined surface of certain angle；The contact surface intersects with the horizontal plane；
The attachment beam (1) is hollow structure beam, and side has bolt construction opening；
The bolt (11) that the underrun of the attachment beam (1) passes through the bolt construction opening is fixed；
The cap structure further includes the covering plate structure for closing the bolt construction opening.
2. cap structure as described in claim 1, which is characterized in that further include being covered on the outside of the air grid (A)
Side covering (2) and the top side covering being covered on the outside of the crossbeam (6).
3. cap structure as claimed in claim 2, which is characterized in that further include be connected to the air grid (A) with it is described
Between side covering (2), the side reinforcing rib (5) that is correspondingly arranged with the outer edge of the ventilation opening.
4. cap structure as claimed in claim 2, which is characterized in that the side covering (2) is to far from the air grating
The curved bending stressed-skin construction of grid (A).
5. cap structure as described in claim 1, which is characterized in that the end carriage (8) and the attachment beam of the cap structure
(1), the stringer (4) of the cantilevered corner beam (3) and the cap structure is welded to connect.
6. cap structure as described in claim 1, which is characterized in that the covering plate structure includes:
Cover board (15)；
The articulated shaft (13) cover board (15) being articulated on the attachment beam (1)；
It is set on the articulated shaft (13), the torsional spring for opening the cover board (15) relative to the bolt construction opening
(16)；
The push type springlock (14) being set on the cover board (15)；
It is set at the bolt construction opening, the buckle (19) for being correspondingly arranged with the push type springlock (14).
7. cap structure as claimed in claim 6, which is characterized in that be provided with cover plate installation seat on the attachment beam (1)
(17)；
The cover board (15) is articulated on the cover plate installation seat (17) by the articulated shaft (13)；
One end of the torsional spring (16) offsets with the cover board (15), and the other end offsets with the cover plate installation seat (17).
8. cap structure as claimed in claim 7, which is characterized in that the cover plate installation seat (17) and the attachment beam (1)
In a component on be provided with dovetail configuration；
It is provided on another component in the cover plate installation seat (17) and the attachment beam (1) and matches with the dovetail configuration
The dovetail groove of conjunction.
9. a kind of rolling stock, including cap structure, which is characterized in that the cap structure is such as any one of claim 1-8
The cap structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710958868.6A CN107745720B (en) | 2017-10-16 | 2017-10-16 | Rolling stock and its cap structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710958868.6A CN107745720B (en) | 2017-10-16 | 2017-10-16 | Rolling stock and its cap structure |
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| Publication Number | Publication Date |
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| CN107745720A CN107745720A (en) | 2018-03-02 |
| CN107745720B true CN107745720B (en) | 2019-06-07 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107745720A (en) | 2018-03-02 |
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