CN106238582A - A kind of mould using metal foil/thin plate making space deployable cabin section - Google Patents
A kind of mould using metal foil/thin plate making space deployable cabin section Download PDFInfo
- Publication number
- CN106238582A CN106238582A CN201610832349.0A CN201610832349A CN106238582A CN 106238582 A CN106238582 A CN 106238582A CN 201610832349 A CN201610832349 A CN 201610832349A CN 106238582 A CN106238582 A CN 106238582A
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- plane
- briquetting
- punch
- base
- triangle inclined
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- 239000002184 metal Substances 0.000 title claims abstract description 18
- 239000011888 foil Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 239000011347 resin Substances 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
A kind of mould using metal foil/thin plate making space deployable cabin section, to solve existing space deployable structure as resin-based materials, the problem that the radiation of this kind of material anti-space ray, anti-big temperature become and the ability such as anti-space hard particles shock is poor.The die of the present invention is arranged on the upper surface of base plate, two briquetting guide pillars are symmetricly set on the two ends of die, two punch guide pillars are symmetricly set on the two ends of die, and the lower end of briquetting guide pillar and punch guide pillar is arranged in base plate, two guide pads and two briquetting guide pillar one_to_one corresponding, spring is arranged in spring eye, the upper end of briquetting guide pillar is connected by latch with cam after spring and pressure head guide pillar hole, arrange before and after briquetting and punch, the lower surface of briquetting and punch fastens setting with the upper surface of die, the lower surface of briquetting and punch and the first triangle inclined-plane, second triangle inclined-plane, 3rd triangle inclined-plane and the 4th triangle inclined-plane match.The present invention is for manufacturing deployable cabin, the space section of metal foil/thin plate.
Description
Technical field
The present invention relates to the manufacturing technology of the deployable metal foil in a kind of space/thin-slab structure cabin section, be specifically related to one
The mould of the deployable metal foil of making space/thin-slab structure cabin section.
Background technology
Deployable metal foil/the thin-slab structure in space is that a class can be folded into minimum volume on ground from original state
State is also placed on means of transport (such as rocket, airship etc.), by outer load after arrival space planned orbit or outer celestial body surface
Lotus is expanded to the structure of maximum volume state.Being compared to resin base space deployable structure, the structure of metal material is at anti-sky
Between x radiation x, anti-big temperature become and the aspect such as anti-space hard particles shock has unique advantage.The deployable metal foil in space/
Thin-slab structure can be used as the storage tank of space trash future, the docking passage of spacecraft, loading arm etc..The structure list of this class formation
Unit is typically made up of cabin section and coupling part (such as flange, top cover, the base plate etc.) of main part.
Abroad it is related to the deployable metal structure in space apply at military aspect, but important feature parameter is not quite clear.Accordingly
Manufacture method with manufacture mould be technology secret.Domestic correlational study is the most still in blank.
Summary of the invention
The present invention solves that existing space deployable structure is resin-based materials, the anti-space ray of this kind of material radiates, resists
The problem that the abilities such as big temperature change and anti-space hard particles shock are poor, and a kind of employing metal foil/thin plate manufacture is proposed
The mould of deployable cabin, space section.
A kind of mould using metal foil/thin plate making space deployable cabin section of the present invention, described mould includes the end
Plate, die, briquetting, punch, two cams, two guide pads, two springs, two briquetting guide pillars, two punch guide pillars and two
Individual latch；
Described die is seen as parallelogram from vertical view, and the upper surface of described die is followed successively by the first triangular aslant from front to back
Face, the second triangle inclined-plane, the 3rd triangle inclined-plane, the 4th triangle inclined-plane, the first triangle inclined-plane and the triangle on the 3rd triangle inclined-plane
Base is positioned at the left side of die, and the triangle base on the second triangle inclined-plane and the 4th triangle inclined-plane is positioned at the right side of die, and first
Triangle inclined-plane and the second triangle inclined-plane are that left side is high, right side is low, the second triangle inclined-plane and the 4th triangle inclined-plane be left side low,
Right side is high, and the base on the first triangle inclined-plane is the first base F2B2, and the base on the second triangle inclined-plane is the second base E2C2, and the 3rd
The base on triangle inclined-plane is the 3rd base F2A2, and the base on the 4th triangle inclined-plane is the 4th base E2D2, the first base F2B2,
Two base E2C2, the 3rd base F2A2 and the 4th base E2D2 are the most equal, i.e. F2B2=E2C2=F2A2=E2D2, the first triangle
The first base height B1B2 on inclined-plane and the 4th base height D1D2 on the 4th triangle inclined-plane is equal, the first of the first triangle inclined-plane
4th apex height A1A2 on apex height C1C2 and the 4th triangle inclined-plane is equal；
Described die is arranged on the upper surface of base plate, and two briquetting guide pillars are symmetricly set on the two ends of die, two punch
Guide pillar is symmetricly set on the two ends of die, and the lower end of briquetting guide pillar and punch guide pillar is arranged in base plate, two guide pads
With two briquetting guide pillar one_to_one corresponding, each guide pad is vertically provided with shoulder hole, and the upper end of shoulder hole is briquetting guide pillar hole, rank
The lower end in ladder hole is spring eye, and the diameter in briquetting guide pillar hole is less than the diameter of spring eye, and spring is arranged in spring eye, and briquetting is led
The upper end of post is connected by latch with cam behind spring and briquetting guide pillar hole, setting before and after briquetting and punch, briquetting and convex
The lower surface of mould fastens setting, the lower surface of briquetting and punch and the first triangle inclined-plane, the second triangular aslant with the upper surface of die
Face, the 3rd triangle inclined-plane and the 4th triangle inclined-plane match, and briquetting is provided with two briquetting guide pillar holes, punch be provided with two convex
Mould guide pillar hole, two briquetting guide pillar holes are the most right with two briquetting guide pillars, two punch guide pillar holes and two punch guide pillars one
One is the most right.
The present invention compared with prior art has the advantages that
Utilize inventive die can produce the cabin section of metal foil/thin plate.Metal foil/thin plate anti-space ray spoke
Penetrate, resist the abilities such as big temperature change and anti-space cardboard particle shock strong, section end four, the cabin line point of intersection of inventive die manufacture
Site error less than 1mm.Sidepiece crest line is less than 2 ° with the angular error on base, and the deployable precision in space meets the requirements.
Accompanying drawing explanation
Fig. 1 is the overall structure axonometric chart of the present invention；
Fig. 2 is die 2 and the top view of base plate 1；
Fig. 3 is the axonometric chart of die 2；
Fig. 4 is the upward view of Fig. 2；
The rear perspective view that Fig. 5 is briquetting 3 and punch 4 is arranged side by side；
The side view that Fig. 6 is briquetting 3 and punch 4 is arranged side by side；
Fig. 7 is the axonometric chart of briquetting 3；
Fig. 8 is the axonometric chart of punch 4；
Fig. 9 is the position relationship axonometric chart of two briquetting guide pillars, 9, two latches of 8, two punch guide pillars 10 and base plate 1；
Figure 10 is briquetting guide pillar 8, spring 7 and the position relationship front view of guide pad 6；
Figure 11 is the axonometric chart of cam 5.
Detailed description of the invention
Detailed description of the invention one: combine Fig. 1～Figure 11 and present embodiment, present embodiment base plate 1, die 2, briquetting are described
3,6, two springs of 5, two guide pads of 4, two cams of punch, 8, two punch guide pillars 9 of 7, two briquetting guide pillars and two latches
10；
Described die 2 is seen as parallelogram from vertical view, and the upper surface of described die 2 is followed successively by the first triangle from front to back
Inclined-plane 2-1, the second triangle inclined-plane 2-2, the 3rd triangle inclined-plane 2-3, the 4th triangle inclined-plane 2-4, the first triangle inclined-plane 2-1 and the 3rd
The triangle base of triangle inclined-plane 2-3 is positioned at the left side of die 2, the second triangle inclined-plane 2-2 and the triangle of the 4th triangle inclined-plane 2-4
Shape base is positioned at the right side of die 2, the first triangle inclined-plane 2-1 and the second triangle inclined-plane 2-2 and is that left side is high, right side is low, and second
Triangle inclined-plane 2-2 and the 4th triangle inclined-plane 2-4 be left side low, right side is high, the base of the first triangle inclined-plane 2-1 is the first base
F2B2, the base of the second triangle inclined-plane 2-2 is the second base E2C2, and the base of the 3rd triangle inclined-plane 2-3 is the 3rd base F2A2,
The base of the 4th triangle inclined-plane 2-4 is the 4th base E2D2, the first base F2B2, the second base E2C2, the 3rd base F2A2 and
4th base E2D2 is the most equal, i.e. F2B2=E2C2=F2A2=E2D2, the first base height B1B2 of the first triangle inclined-plane 2-1
(F1F2) equal with the 4th base height D1D2 (E1E2) of the 4th triangle inclined-plane 2-4, first summit of the first triangle inclined-plane 2-1
4th apex height A1A2 of highly C1C2 and the 4th triangle inclined-plane 2-4 is equal, wherein: A2D2=B2C2, C2F2=F2E2=
E2A2；
Described die 2 is arranged on the upper surface of base plate 1, and two briquetting guide pillars 8 are symmetricly set on the two ends of die 2, two
Punch guide pillar 9 is symmetricly set on the two ends of die 2, and the lower end of briquetting guide pillar 8 and punch guide pillar 9 is arranged in base plate 1, and two
Individual guide pad 6 and two briquetting guide pillar 8 one_to_one corresponding, each guide pad 6 is vertically provided with shoulder hole, and the upper end of shoulder hole is pressure
Block guide pillar hole 6-1, the lower end of shoulder hole is spring eye 6-2, the diameter of the briquetting guide pillar hole 6-1 diameter less than spring eye 6-2, bullet
Spring 7 is arranged in spring eye 6-2, and latch is passed through with cam 5 after spring 7 and briquetting guide pillar hole 6-1 in the upper end of briquetting guide pillar 8
10 connect, and arrange before and after briquetting 3 and punch 4, and the upper surface of the lower surface of briquetting 3 and punch 4 and die 2 fastens and arranges, briquetting 3
Lower surface and the first triangle inclined-plane 2-1, the second triangle inclined-plane 2-2, the 3rd triangle inclined-plane 2-3 and the 4th triangular aslant with punch 4
Face 2-4 matches, and briquetting 3 is provided with two briquetting guide pillar hole 3-1, and punch 4 is provided with two punch guide pillar hole 4-1, two pressures
Block guide pillar hole 3-1 and two briquetting guide pillars 8 are the most right, and two punch guide pillar hole 4-1 and two punch guide pillars 9 are the most right.
Detailed description of the invention two: combine Figure 11 and present embodiment is described, the cam 5 of present embodiment is provided with latch 10 pacifies
Dress hole 5-1.Rotate cam by the handle of cam, make cam rotate around latch 10.Other composition and annexation are real with concrete
Execute mode one identical.
Detailed description of the invention three: combine Figure 10 and present embodiment, present embodiment and detailed description of the invention one or two are described
Except for the difference that it also includes two briquetting guide pin bushings 11, two briquetting guide pin bushings 11 and two briquetting guide pillar 8 one_to_one corresponding, briquetting guide pin bushing
11 are arranged between briquetting guide pillar 8 and base plate 1.Briquetting guide pin bushing 11 coordinates with briquetting guide pillar 8 and can ensure that guiding accuracy.Other composition
And annexation is identical with detailed description of the invention one or two.
Detailed description of the invention four: combining Fig. 9 and present embodiment is described, present embodiment is different from detailed description of the invention one
Being that it also includes two punch guide pin bushings 12, two punch guide pin bushings 12 and two punch guide pillar 9 one_to_one corresponding, punch guide pin bushing 12 is set with
On punch guide pillar 9, and the lower end of punch guide pin bushing 12 is arranged between punch guide pillar 9 and base plate 1.Arrange punch guide pin bushing 12 can increase
Add mould die sinking height.Additionally punch guide pin bushing 12 coordinates with punch guide pillar 9, it can be ensured that guiding accuracy.Other composition and connection are closed
It is identical with detailed description of the invention three.
The operation principle of the present invention: metal foil or thin plate being placed on die 2, now cam 5 is in maximum height,
The handle of cam 5 is straight up.The elastic force of the spring 7 that briquetting 3 and guide pad 6 are also compressed for 6 times because of guide pad, is in simultaneously
Maximum height.Manually rotating down the handle of two cams 5, cam 5 promotes briquetting 3 and guide pad 6, makes briquetting 3 descending.Cam 5
When being rolled over extreme lower position, the ante-chamber of briquetting 3 and die 2 is all fitted with blank, clamps blank, completes the fixing of blank.This
Time guide pad 6 under spring 7 be further compressed.Then punch 4 moves to die 2 under the drive of pressing equipment, until convex
Mould 4 and the 2-in-1 mould of die, complete the stamping of one unit of product.Shaping end of a period pressing equipment drives punch 4 up, it is achieved
Die sinking.Now blank is still pushed down by pressure head 3.Manually it is rotated up the handle of two cams 5, until cam comes back to maximum high
Degree.Owing to the elastic force of the spring 7 under guide pad 6, briquetting 3 and guide pad 6 are all upspring.Briquetting 3 separates with blank.Become next time
During shape, this formed good unit is moved forward, and the first triangle inclined-plane 2-1 of die of fitting, the second triangle inclined-plane 2-2.
The most manually rotate down the handle of cam 5, be repeatedly performed above-mentioned blank and fix and forming process.When the element number shaped
Reaching design when requiring, die forming operation completes.
The lifting of punch 4 is driven by pressing equipment, and the lifting of briquetting 3 is controlled by manual rotation's cam 5.Work as cam
5 when being rolled over extreme higher position (handle of cam straight up time cam position), the spring 7 under guide pad 6 is due to elastic force
Briquetting 3 jack-up being come, this is " liter "；When needing to decline, manual rotation's cam 5, until minimum altitude (the i.e. handle of cam of cam
Handle straight down time height), the spring 7 under guide pad 6 is compressed, briquetting 3 also by cam promote go downwards to minimum altitude, this is
" drop ".
Claims (4)
1. the mould using metal foil/thin plate making space deployable cabin section, it is characterised in that: described mould includes the end
Plate (1), die (2), briquetting (3), punch (4), two cams (5), two guide pads (6), two springs (7), two briquettings
Guide pillar (8), two punch guide pillars (9) and two latches (10)；
Described die (2) is seen as parallelogram from vertical view, and the upper surface of described die (2) is followed successively by the first triangle from front to back
Inclined-plane (2-1), the second triangle inclined-plane (2-2), the 3rd triangle inclined-plane (2-3), the 4th triangle inclined-plane (2-4), the first triangle inclined-plane
(2-1) triangle base with the 3rd triangle inclined-plane (2-3) is positioned at the left side of die (2), the second triangle inclined-plane (2-2) and the 4th
The triangle base on triangle inclined-plane (2-4) is positioned at the right side of die (2), the first triangle inclined-plane (2-1) and the second triangle inclined-plane (2-
2) be that left side is high, right side is low, the second triangle inclined-plane (2-2) and the 4th triangle inclined-plane (2-4) be on the left of low, right side is high, the
The base on one triangle inclined-plane (2-1) is the first base F2B2, and the base on the second triangle inclined-plane (2-2) is the second base E2C2, the
The base on three triangle inclined-planes (2-3) is the 3rd base F2A2, and the base on the 4th triangle inclined-plane (2-4) is the 4th base E2D2, the
One base F2B2, the second base E2C2, the 3rd base F2A2 and the 4th base E2D2 are the most equal, i.e. F2B2=E2C2=F2A2=
E2D2, first base height B1B2 (F1F2) on the first triangle inclined-plane (2-1) is high with the 4th base on the 4th triangle inclined-plane (2-4)
D1D2 is equal for degree, and first apex height C1C2 on the first triangle inclined-plane (2-1) and the 4th summit on the 4th triangle inclined-plane (2-4) are high
A1A2 is equal for degree；
Described die (2) is arranged on the upper surface of base plate (1), and two briquetting guide pillars (8) are symmetricly set on the two ends of die (2),
Two punch guide pillars (9) are symmetricly set on the two ends of die (2), and the lower end of briquetting guide pillar (8) and punch guide pillar (9) is respectively provided with
In base plate (1), two guide pads (6) and two briquetting guide pillar (8) one_to_one corresponding, each guide pad (6) is vertically provided with rank
Ladder hole, the upper end of shoulder hole is briquetting guide pillar hole (6-1), and the lower end of shoulder hole is spring eye (6-2), briquetting guide pillar hole (6-1)
Diameter less than the diameter of spring eye (6-2), spring (7) is arranged in spring eye (6-2), and the upper end of briquetting guide pillar (8) passes
Spring (7) and briquetting guide pillar hole (6-1) are connected by latch (10) with cam (5) afterwards, arrange before and after briquetting (3) and punch (4),
The upper surface of the lower surface of briquetting (3) and punch (4) and die (2) fastens and arranges, the lower surface of briquetting (3) and punch (4) and
First triangle inclined-plane (2-1), the second triangle inclined-plane (2-2), the 3rd triangle inclined-plane (2-3) and the 4th triangle inclined-plane (2-4) kissing
Closing, briquetting (3) is provided with two briquetting guide pillar holes (3-1), and punch (4) is provided with two punch guide pillar holes (4-1), two briquettings
Guide pillar hole (3-1) is the most right with two briquetting guide pillars (8), and two punch guide pillar holes (4-1) are with two punch guide pillars (9) one by one
The most right.
A kind of mould using metal foil/thin plate making space deployable cabin section the most according to claim 1, its feature
It is: described cam (5) is provided with latch (10) installing hole (5-1).
A kind of mould using metal foil/thin plate making space deployable cabin section the most according to claim 1 and 2, its
It is characterised by: described mould also includes two briquetting guide pin bushings (11), and two briquetting guide pin bushings (11) are with two briquetting guide pillars (8) one by one
Correspondence, briquetting guide pin bushing (11) is arranged between briquetting guide pillar (8) and base plate (1).
A kind of mould using metal foil/thin plate making space deployable cabin section the most according to claim 3, its feature
It is: described mould also includes two punch guide pin bushings (12), two punch guide pin bushings (12) and two punch guide pillars (9) 1 a pair
Should, punch guide pin bushing (12) is sleeved on punch guide pillar (9), and the lower end of punch guide pin bushing (12) is arranged on punch guide pillar (9) and the end
Between plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610832349.0A CN106238582B (en) | 2016-09-19 | 2016-09-19 | A kind of mould using metal foil/deployable bay section of thin plate making space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610832349.0A CN106238582B (en) | 2016-09-19 | 2016-09-19 | A kind of mould using metal foil/deployable bay section of thin plate making space |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106238582A true CN106238582A (en) | 2016-12-21 |
| CN106238582B CN106238582B (en) | 2017-12-08 |
Family
ID=57598988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610832349.0A Expired - Fee Related CN106238582B (en) | 2016-09-19 | 2016-09-19 | A kind of mould using metal foil/deployable bay section of thin plate making space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106238582B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381103A (en) * | 2018-05-21 | 2018-08-10 | 浙江科技学院 | A kind of side connection weld fixture apparatus of deformable super thin metal structure and the method for welding side portion structure using it |
| CN108723621A (en) * | 2018-06-11 | 2018-11-02 | 浙江科技学院 | A kind of side welding method of the deformable metal foil structure of small initial angle |
| CN111331036A (en) * | 2020-03-17 | 2020-06-26 | 浙江普兴电子科技有限公司 | Die and method for manufacturing convex triangular expandable sealed cabin section by adopting metal foil |
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|---|---|---|---|---|
| US3323348A (en) * | 1963-05-14 | 1967-06-06 | Pacific Press & Shear Corp | Multiple opening die and adjusting means therefor |
| JPS54114588A (en) * | 1978-02-28 | 1979-09-06 | Matsushita Electric Works Ltd | Production of top board |
| CN1268921A (en) * | 1997-07-02 | 2000-10-04 | 美国3M公司 | Cube corner sheeting mold and its mfg. method |
| CN203076436U (en) * | 2012-12-17 | 2013-07-24 | 安徽吉峰技研有限公司 | Z-shaped bending die |
| CN205289450U (en) * | 2015-12-14 | 2016-06-08 | 壹东实业股份有限公司 | Mould is expected to bend by multistage metal metal plate of no incision |
-
2016
- 2016-09-19 CN CN201610832349.0A patent/CN106238582B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3323348A (en) * | 1963-05-14 | 1967-06-06 | Pacific Press & Shear Corp | Multiple opening die and adjusting means therefor |
| JPS54114588A (en) * | 1978-02-28 | 1979-09-06 | Matsushita Electric Works Ltd | Production of top board |
| CN1268921A (en) * | 1997-07-02 | 2000-10-04 | 美国3M公司 | Cube corner sheeting mold and its mfg. method |
| CN203076436U (en) * | 2012-12-17 | 2013-07-24 | 安徽吉峰技研有限公司 | Z-shaped bending die |
| CN205289450U (en) * | 2015-12-14 | 2016-06-08 | 壹东实业股份有限公司 | Mould is expected to bend by multistage metal metal plate of no incision |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381103A (en) * | 2018-05-21 | 2018-08-10 | 浙江科技学院 | A kind of side connection weld fixture apparatus of deformable super thin metal structure and the method for welding side portion structure using it |
| CN108723621A (en) * | 2018-06-11 | 2018-11-02 | 浙江科技学院 | A kind of side welding method of the deformable metal foil structure of small initial angle |
| CN108723621B (en) * | 2018-06-11 | 2020-06-09 | 浙江科技学院 | Side welding method of deformable metal foil structure with small initial included angle |
| CN111331036A (en) * | 2020-03-17 | 2020-06-26 | 浙江普兴电子科技有限公司 | Die and method for manufacturing convex triangular expandable sealed cabin section by adopting metal foil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106238582B (en) | 2017-12-08 |
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