CN105478993A - Bi-friction stirring welding pressing device and method used for wallboard and flange spatial curved surface - Google Patents
Bi-friction stirring welding pressing device and method used for wallboard and flange spatial curved surface Download PDFInfo
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- CN105478993A CN105478993A CN201410479963.4A CN201410479963A CN105478993A CN 105478993 A CN105478993 A CN 105478993A CN 201410479963 A CN201410479963 A CN 201410479963A CN 105478993 A CN105478993 A CN 105478993A
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Abstract
The invention discloses a bi-friction stirring welding pressing device and a bi-friction stirring welding pressing method used for a wallboard and a flange spatial curved surface. The bi-friction stirring welding pressing device used for the wall board and the flange spatial curved surface comprises a bracket, a supporting plate connected to the bracket, an inner film tyre and a front welding flange back support connected to the supporting plate, a stand column used for fixing a flange, a flange pressing plate and a circular nut used for pressing the flange, an adjustable wallboard baffle plate used for fixing the wallboard, a plate pressing assembly which is in tight fit with the wallboard, a back welding flange cushion block and a back welding flange back support used for back welding. According to the invention, bi-friction stirring welding of the spatial curved surface is realized on one device; and a pressing mode of pressing segment by segment with pressing blocks and pressing radially at different points with the pressing blocks is adopted, so that unstable warping deformation due to the fact that a joint area is excessively heated in a welding process is avoided, and therefore, the welding quality is improved by both-side welding.
Description
Technical field
The present invention relates to a kind of hold down gag, be specifically related to a kind of for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag and method.
Background technology
Between flange and wallboard, access path is intersection, and be thin-wall construction, mainly adopt manual welding at present, even if use complicated hold down gag to be compressed by welded product, but due to the heat input in manual welding process excessive, cause the residual stress of welded product larger, thus cause the mistake warpage of welded product to be surely out of shape, in addition, in welding process, easily produce defect, the stability of welded product cannot be ensured.
Agitating friction welding technology is as emerging solder technology, this technology can fundamentally solve traditional welding method (TIG weldering, plasma arc welding (PAW) etc.) the problem that cannot thoroughly solve, and in the welding of aluminium alloy, there is unrivaled advantage, zero defect Solid-phase welding can be realized, welding quality and the reliability of welded product can be significantly improved.
But, adopt friction stir welding to carry out the design of key at hold down gag of the welding of thin wall space curved surface, for welded product provides rigid support.
Summary of the invention
The problem that the present invention solves is to provide a kind of for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag and method, to solve the technical problem of flange and wallboard space curve two-sided welding in prior art.
For solving the problem, the invention provides a kind of for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag, for front welding and reverse side welding, described wallboard and flange fit tightly, and described hold down gag comprises:
Support, for being fixed on friction stir welding jig when welding;
Gripper shoe, has front and the back side with vis-a-vis, when the front of described gripper shoe is used for welding in front and described cradle fits fix;
Internal mold tire, compresses with the back side of described gripper shoe and fits;
Flange screw plate and round nut, for supported flange, the upper surface of described flange screw plate and described flange is fitted;
Adjustable wallboard block, for fixing described wallboard and described inner membrance tire;
The blue back-supported of face-up bonding, fits with the back of flange when welding for front and is connected with the bottom of described gripper shoe;
The blue cushion block of face-up bonding, when weld for front and face-up bonding orchid back-supported fit;
Reverse side welded flange cushion block, fit in when welding for reverse side and the back of flange;
Reverse side welded flange back-supported, fit in when welding for reverse side and the front of Anchor plate kit;
Anchor plate kit, fit with described wallboard and link, and be fixedly installed in respectively in gripper shoe when front welding and reverse side welding, described Anchor plate kit comprises: high rigidity cover plate, the flange section rebound be connected with high rigidity cover plate and wallboard section rebound, the flange aluminum pressing plate be arranged in the groove of flange section rebound, and wallboard section rebound groove in wallboard place aluminum pressing plate, some pressing plates radial direction fixtures for each briquetting branch radial compaction.
Alternatively, the radial fixture of described pressing plate is hexagon socket head cap screw, and the model of described hex bolts is M12 × 30 hexagon socket head cap screw.
Alternatively, described gripper shoe is installed on support 1 by M20 × 160 hexagon socket head cap screw assembly.
Alternatively, also comprise: column, for mounting flange, through described flange screw plate, face bonding flange cushion block, face bonding flange back-supported when described column welds in front, realize the fixing of flange screw plate and flange, described column through described flange screw plate, the blue back-supported of reverse side welding method, the blue cushion block of reverse side welding method, realizes fixing of flange screw plate and flange when reverse side welds;
Be provided with round nut in described column, realize flange rigid support when front welding and reverse side welding.
Alternatively, described Anchor plate kit is fixed in described gripper shoe by Anchor plate kit fixture, and described Anchor plate kit fixture is soket head cap screw, and described soket head cap screw is M30 × 200 soket head cap screw.
The present invention also provides employing provided by the present invention for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag, carries out the method for Bi-friction Stirring Welding, comprising:
Step one: support is fixed on friction stir welding jig;
Step 2: flange section rebound is connected with high rigidity cover plate, flange aluminum pressing plate is fixed in the groove of flange section rebound, and wallboard section rebound is connected with high rigidity cover plate, and wallboard place aluminum pressing plate is fixed in the groove of wallboard section rebound;
Step 3: face bonding ring flange back-supported is installed on the gripper shoe back side, column is installed on face bonding ring flange back-supported, gripper shoe is installed on support by bolt assembly, face bonding flange cushion block and face bonding flange back-supported are fitted, flange and face bonding flange cushion block are fitted, flange screw plate is through column, flange screw plate and flange upper surface are fitted, round nut is installed on column, internal mold tire is installed in gripper shoe, wallboard and internal mold tire are fitted, and adopt adjustable wallboard block to be fixed, Anchor plate kit and wallboard fit tightly, Anchor plate kit is installed in gripper shoe 2 by described bolt assembly 12,
Step 4: bolt is installed in described high rigidity cover plate installing hole, for each briquetting branch radial compaction, can carry out front welding;
Step 5: remove the bolt assembly being used for fixed support plate, realize being separated of described front hold down gag and described support, remove the round nut be installed on described column, take off described flange screw plate, remove the face bonding ring flange back-supported being installed on the gripper shoe back side, described column and described face bonding flange cushion block take off in the lump; The blue back-supported of described reverse side welding method is installed on described Anchor plate kit front, the blue cushion block of described reverse side welding method and described flange are fitted, described column is through the blue back-supported of described reverse side welding method, described flange, the blue cushion block of described reverse side welding method and flange screw plate, described round nut is installed on described column, realize the rigid support of flange during reverse side welding, described hold down gag, along vertical aspect upset 180 degree, is installed on the bracket, can be carried out reverse side welding by described hold down gag.According to described in present pre-ferred embodiments for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag, the apparatus structure of front welding comprises: described face bonding ring flange back-supported is installed on the described gripper shoe back side, described column is installed on described face bonding ring flange back-supported, described gripper shoe is installed on described support by described M20 × 160 hexagon socket head cap screw assembly, described face bonding flange cushion block and described face bonding flange back-supported fit tightly, described ring flange and described face bonding flange cushion block fit tightly, described flange screw plate is through described column, described flange screw plate and flange upper surface fit tightly, described round nut is installed on described column, described internal mold tire is installed in described gripper shoe, described wallboard and affiliated flange fit tightly, described wallboard block is used for fixing described wallboard, described Anchor plate kit and described wallboard fit tightly, described Anchor plate kit is installed in described gripper shoe by described M30 × 200 hexagon socket head cap screw assembly.
According to described in present pre-ferred embodiments for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag, the Anchor plate kit of this device comprises: described flange section rebound is installed on described high rigidity cover plate, described flange aluminum pressing plate is installed on described flange section rebound, described wallboard section rebound is installed on described high rigidity cover plate, described wallboard place aluminum pressing plate is installed on described wallboard section rebound, M12 × 30 hexagon socket head cap screw is installed in described high rigidity cover plate installing hole, for each briquetting branch radial compaction.
According to described in present pre-ferred embodiments for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag, the device matching relationship of the reverse side welding of this device comprises: remove the M20 × 160 hexagon socket head cap screw assembly being used for fixed support plate, realize being separated of described front hold down gag and described support, remove the round nut be installed on described column, take off described flange screw plate, remove the face bonding ring flange back-supported being installed on the gripper shoe back side, described column and described face bonding flange cushion block take off in the lump; The blue back-supported of described reverse side welding method is installed on described Anchor plate kit front, the blue cushion block of described reverse side welding method and described flange fit tightly, described column is through the blue back-supported of described reverse side welding method, described flange, the blue cushion block of described reverse side welding method and flange screw plate, described round nut is installed on described column, realize the rigid support of flange during reverse side welding, described hold down gag, along vertical aspect upset 180 degree, utilizes M30 × 200 hexagon socket head cap screw assembly to be installed on the bracket by described hold down gag.
Compared with prior art, the present invention has the following advantages:
The present invention is in conjunction with agitating friction welding technology, adopt the mode of briquetting segmentation compression and each briquetting branch radial compaction, avoid unstability buckling deformation that is overheated due to joint in welding process and the welded product caused, simultaneously, achieve and achieve two-sided welding in set of device, improve welding quality and welding efficiency, can meet flange and wallboard space curve two-sided welding efficient, reliably weld needs.
Accompanying drawing explanation
Fig. 1 is the present invention for the sectional view of wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag face bonding;
Fig. 2 is the sectional view that the present invention welds for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag reverse side;
Fig. 3 is the present invention for the structural representation of wallboard and flange space curved surface Bi-friction Stirring Welding Anchor plate kit;
Fig. 4 is the present invention for the front view of wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag face bonding;
Fig. 5 is the front view that the present invention welds for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag reverse side.
Detailed description of the invention
Present invention achieves the Bi-friction Stirring Welding achieving space curved surface in set of device to connect, adopt the compression mode of briquetting segmentation compression and each briquetting branch radial compaction, avoid overheated in welding process center tap region and cause the unstability buckling deformation of welded product, meanwhile, two-sided welding improves welding quality.Below in conjunction with accompanying drawing, illustrate the present invention.
Refer to Fig. 1 and composition graphs 2, Fig. 1 is the present invention for the sectional view of wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag face bonding, and Fig. 2 is the sectional view that the present invention welds for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag reverse side.
The space curved surface Bi-friction Stirring Welding that described device realizes mounting flange 9 and wallboard 21 connects, and described device comprises: support 1, and described support 1 is fixed on friction stir welding jig 22;
The gripper shoe 2 be connected with support 1, has front and the back side with vis-a-vis, when the front of described gripper shoe 2 is used for weld in front and described support 1 fit and fix;
The inner membrance tire 3 of fitting is compressed with the back side of gripper shoe 2;
Flange screw plate 7 and round nut 8, for supported flange 7, described flange screw plate 7 is fitted with the upper surface of described flange 9;
Column 6, for mounting flange 9, through described flange screw plate 7, face bonding flange cushion block 13, face bonding flange back-supported 4 when described column 6 welds in front, realize the fixing of flange screw plate 7 and flange 9, described column 6 through described flange screw plate 7, the blue back-supported 24 of reverse side welding method, the blue cushion block 23 of reverse side welding method, realizes the fixing of flange screw plate 7 and flange 9 when reverse side welds; Described round nut 8 is arranged in described column 6, realizes flange rigid support when front welding and reverse side welding;
Adjustable wallboard block 10, for fixing described wallboard 21 with described inner membrance tire 3;
Face-up bonding blue back-supported 4(Fig. 1), fit and fit with the circular groove of described support 1 in when welding for front and the back of flange 9;
Face-up bonding blue cushion block 13(Fig. 1), when weld for front and face-up bonding orchid back-supported 4 fit;
Reverse side welded flange cushion block 23(Fig. 2), fit in when welding for reverse side and the back of flange 9;
Reverse side welded flange back-supported 24(Fig. 2), fit in when welding for reverse side and the front of Anchor plate kit;
Anchor plate kit 11, fit with described wallboard 21 and link, and be fixedly installed in gripper shoe 2 respectively when front welding and reverse side welding, incorporated by reference to Fig. 3, Fig. 3 is the present invention for the structural representation of wallboard and flange space curved surface Bi-friction Stirring Welding Anchor plate kit, described Anchor plate kit 11 comprises: high rigidity cover plate 15, the flange section rebound 16 be connected with high rigidity cover plate 15 and wallboard section rebound 18, be arranged at the flange aluminum pressing plate 17 in the groove of flange section rebound 16, with the wallboard place aluminum pressing plate 19 in wallboard section rebound 18 groove, the radial fixture 20 of some pressing plates for each briquetting branch radial compaction, the radial fixture 20 of described pressing plate is hexagon socket head cap screw, described hexagon socket head cap screw is M12 × 30 hexagon socket head cap screw 20.The Material selec-tion of high rigidity cover plate 15? (mainly in order to illustrate which type of cover plate belongs to high rigidity cover plate)
In order to understand technical scheme of the present invention better, please refer to Fig. 4, Fig. 4 is the present invention for the front view of wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag face bonding.Due to view reason and be convenient to observe, eliminate parts numbers in Fig. 4.In Fig. 4 gripper shoe 2 just facing to support 1, support 1 is fixed on friction stir welding jig 22, wallboard 21 is fixed with inner membrance tire (composition graphs 1) by adjustable wallboard block 10, and Anchor plate kit 11 is fixed by described hexagon socket head cap screw M30 × 200 hexagon socket head cap screw 12 and gripper shoe 2.
Please refer to Fig. 5, Fig. 5 is the front view that the present invention welds for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag reverse side.Due to view reason and be convenient to observe, eliminate parts numbers in Fig. 5.In Fig. 5 gripper shoe 2 the back side towards support 1.Support 1 is fixed on friction stir welding jig 22, and wallboard 21 is fixed with inner membrance tire (composition graphs 1) by adjustable wallboard block 10, and Anchor plate kit 11 is fixed by described M30 × 200 hexagon socket head cap screw 12 and gripper shoe 2.
Based on above-mentioned for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag, the present invention comprises the following steps in enforcement welding by both sides process:
Step one: support is fixed on friction stir welding jig;
Step 2: flange section rebound 16 is connected with high rigidity cover plate 15, flange aluminum pressing plate 17 is fixed in the groove of flange section rebound 16, wallboard section rebound 18 is connected with high rigidity cover plate 15, and wallboard place aluminum pressing plate 19 is fixed in the groove of wallboard section rebound 18;
Step 3: face bonding ring flange back-supported 4 is installed on gripper shoe 2 back side, column 6 is installed on face bonding ring flange back-supported, gripper shoe 2 is installed on support 1 by described M20 × 160 hexagon socket head cap screw assembly, face bonding flange cushion block 13 and face bonding flange back-supported fit tightly, flange 9 and face bonding flange cushion block 13 fit tightly, flange screw plate 7 is through column 6, flange screw plate 7 and flange 9 upper surface fit tightly, round nut 8 is installed on column 6, internal mold tire 3 is installed in gripper shoe 2, wallboard 21 and internal mold tire 3 fit tightly, and adopt adjustable wallboard block 10 to be fixed, Anchor plate kit 11 and wallboard 21 fit tightly, Anchor plate kit 11 is installed in gripper shoe 2 by described M30 × 200 hexagon socket head cap screw assembly 12,
Step 4: M12 × 30 hexagon socket head cap screw is installed in described high rigidity cover plate installing hole, for each briquetting branch radial compaction, can carry out front welding;
Step 5: remove the M20 × 160 hexagon socket head cap screw assembly 5 being used for fixed support plate, realize being separated of described front hold down gag and described support 1, remove the round nut 8 be installed on described column 6, take off described flange screw plate 7, remove the face bonding ring flange back-supported 4 being installed on the gripper shoe back side, described column 6 takes off in the lump with described face bonding flange cushion block 13; The blue back-supported 24 of described reverse side welding method is installed on described Anchor plate kit 11 front, the blue cushion block 23 of described reverse side welding method fits tightly with described flange 9, described column 6 is through the blue back-supported 24 of described reverse side welding method, described flange 9, the blue cushion block 23 of described reverse side welding method and flange screw plate 7, described round nut 8 is installed on described column 6, realize the rigid support of flange during reverse side welding, described hold down gag is along vertical aspect upset 180 degree, described hold down gag is arranged on described support 1, can reverse side welding be carried out.
Therefore, above-mentioned preferred embodiment is only and technical conceive of the present invention and feature is described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (6)
1., for wallboard and a flange space curved surface Bi-friction Stirring Welding hold down gag, for front welding and reverse side welding, it is characterized in that, described wallboard and flange fit tightly, and described hold down gag comprises:
Support, for being fixed on friction stir welding jig when welding;
Gripper shoe, has front and the back side with vis-a-vis, when the front of described gripper shoe is used for welding in front and described cradle fits fix;
Internal mold tire, compresses with the back side of described gripper shoe and fits;
Flange screw plate and round nut, for supported flange, the upper surface of described flange screw plate and described flange is fitted;
Adjustable wallboard block, for fixing described wallboard and described inner membrance tire;
The blue back-supported of face-up bonding, fits with the back of flange when welding for front and is connected with the bottom of described gripper shoe;
The blue cushion block of face-up bonding, when weld for front and face-up bonding orchid back-supported fit;
Reverse side welded flange cushion block, fit in when welding for reverse side and the back of flange;
Reverse side welded flange back-supported, fit in when welding for reverse side and the front of Anchor plate kit;
Anchor plate kit, fit with described wallboard and link, and be fixedly installed in respectively in gripper shoe when front welding and reverse side welding, described Anchor plate kit comprises: high rigidity cover plate, the flange section rebound be connected with high rigidity cover plate and wallboard section rebound, the flange aluminum pressing plate be arranged in the groove of flange section rebound, and wallboard section rebound groove in wallboard place aluminum pressing plate, some pressing plates radial direction fixtures for each briquetting branch radial compaction.
2. as claimed in claim 1 for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag, it is characterized in that, the radial fixture of described pressing plate is hexagon socket head cap screw, and the model of described hex bolts is M12 × 30 hexagon socket head cap screw.
3. as claimed in claim 1 for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag, it is characterized in that, described gripper shoe is installed on support 1 by M20 × 160 hexagon socket head cap screw assembly.
4. as claimed in claim 1 for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag, it is characterized in that, also comprise: column, for mounting flange, through described flange screw plate, face bonding flange cushion block, face bonding flange back-supported when described column welds in front, realize the fixing of flange screw plate and flange, described column through described flange screw plate, the blue back-supported of reverse side welding method, the blue cushion block of reverse side welding method, realizes fixing of flange screw plate and flange when reverse side welds;
Be provided with round nut in described column, realize flange rigid support when front welding and reverse side welding.
5. as claimed in claim 1 for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag, it is characterized in that, described Anchor plate kit is fixed in described gripper shoe by Anchor plate kit fixture, described Anchor plate kit fixture is soket head cap screw, and described soket head cap screw is M30 × 200 hexagon socket head cap screw.
6. adopt any one in claim 1 to 5 to provide for wallboard and flange space curved surface Bi-friction Stirring Welding hold down gag, carry out the method for Bi-friction Stirring Welding, it is characterized in that, comprising:
Step one: support is fixed on friction stir welding jig;
Step 2: flange section rebound is connected with high rigidity cover plate, flange aluminum pressing plate is fixed in the groove of flange section rebound, and wallboard section rebound is connected with high rigidity cover plate, and wallboard place aluminum pressing plate is fixed in the groove of wallboard section rebound;
Step 3: face bonding ring flange back-supported is installed on the gripper shoe back side, column is installed on face bonding ring flange back-supported, gripper shoe is installed on support by bolt assembly, face bonding flange cushion block and face bonding flange back-supported are fitted, flange and face bonding flange cushion block are fitted, flange screw plate is through column, flange screw plate and flange upper surface are fitted, round nut is installed on column, internal mold tire is installed in gripper shoe, wallboard and internal mold tire are fitted, and adopt adjustable wallboard block to be fixed, Anchor plate kit and wallboard fit tightly, Anchor plate kit is installed in gripper shoe 2 by described bolt assembly 12,
Step 4: bolt is installed in described high rigidity cover plate installing hole, for each briquetting branch radial compaction, carries out front welding;
Step 5: remove the bolt assembly being used for fixed support plate, realize being separated of described front hold down gag and described support, remove the round nut be installed on described column, take off described flange screw plate, remove the face bonding ring flange back-supported being installed on the gripper shoe back side, described column and described face bonding flange cushion block take off in the lump; The blue back-supported of described reverse side welding method is installed on described Anchor plate kit front, the blue cushion block of described reverse side welding method and described flange are fitted, described column is through the blue back-supported of described reverse side welding method, described flange, the blue cushion block of described reverse side welding method and flange screw plate, described round nut is installed on described column, realize the rigid support of flange during reverse side welding, described hold down gag, along vertical aspect upset 180 degree, is installed on the bracket, is carried out reverse side welding by described hold down gag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410479963.4A CN105478993B (en) | 2014-09-19 | 2014-09-19 | For siding and flange space curved surface Bi-friction Stirring Welding pressing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410479963.4A CN105478993B (en) | 2014-09-19 | 2014-09-19 | For siding and flange space curved surface Bi-friction Stirring Welding pressing device and method |
Publications (2)
| Publication Number | Publication Date |
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| CN105478993A true CN105478993A (en) | 2016-04-13 |
| CN105478993B CN105478993B (en) | 2019-07-26 |
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| CN201410479963.4A Active CN105478993B (en) | 2014-09-19 | 2014-09-19 | For siding and flange space curved surface Bi-friction Stirring Welding pressing device and method |
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| CN111745289A (en) * | 2020-07-31 | 2020-10-09 | 四川航天长征装备制造有限公司 | Friction stir welding method for small-diameter flange parts |
| CN114758911A (en) * | 2022-05-18 | 2022-07-15 | 泰安市泰和电力设备有限公司 | Machining tool for outer cover of hydraulic disc spring operating mechanism and using method of machining tool |
| WO2024103711A1 (en) * | 2022-11-14 | 2024-05-23 | 天津航天长征火箭制造有限公司 | Flange plate friction stir welding method in single wall plate state |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024103711A1 (en) * | 2022-11-14 | 2024-05-23 | 天津航天长征火箭制造有限公司 | Flange plate friction stir welding method in single wall plate state |
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|---|---|
| CN105478993B (en) | 2019-07-26 |
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