CN106041341B - Shield duct piece single mesh end welder - Google Patents
Shield duct piece single mesh end welder Download PDFInfo
- Publication number
- CN106041341B CN106041341B CN201610614383.0A CN201610614383A CN106041341B CN 106041341 B CN106041341 B CN 106041341B CN 201610614383 A CN201610614383 A CN 201610614383A CN 106041341 B CN106041341 B CN 106041341B
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- China
- Prior art keywords
- single mesh
- welding gun
- movable stand
- duct piece
- shield duct
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Resistance Welding (AREA)
Abstract
The invention belongs to shield duct piece single mesh process equipment related fieldss, disclose a kind of shield duct piece single mesh end welder, including rack, in rack and moveable movable stand, the movable stand is equipped with the clamp system moved with it and welding gun driving mechanism, single mesh is placed at the Working position of rack, and the clamp system is for the end of the single mesh to be fixedly clamped, and the welding gun driving mechanism is for driving welding gun to be moved to the Working position.The present invention is provided with the mobile clamp system of movable stand and welding gun driving mechanism, and the end of single mesh is fixedly clamped by clamp system, and welding gun is then adjusted to welding position by welding gun driving mechanism, is welded later to the end of single mesh.The shield duct piece single mesh that various specifications can be processed has the advantages that high degree of automation and welding efficiency are high.
Description
Technical field
The present invention relates to shield duct piece single mesh process equipment related fields more particularly to a kind of shield duct piece single mesh ends
Head welder.
Background technique
In building tunneling process, shield machine needs the shield duct piece of multiple arcs by round hole after digging out round hole
It is fixed, firm safe space is provided for successive projects.Shield duct piece is closed by shield duct piece steel reinforcement cage and concrete anchor consolidation
Form various sizes of arc shield duct piece concrete component.Above-mentioned shield duct piece steel reinforcement cage by arc shape multiple shield duct pieces
Single mesh and multiple stirrups are welded.Fig. 1 is single shield duct piece single mesh structural schematic diagram, as shown in Figure 1, above-mentioned shield
Section of jurisdiction single mesh 10, the end position that both ends need to weld are 10a and 10b.
Application No. is 201320546464.3 Chinese patents to disclose a kind of squeezing for single mesh in shield duct piece steel reinforcement cage
Welding equipment is pressed, is used for the welding of shield duct piece single mesh, but the shield duct piece single mesh that the extruding welding equipment is applicable
Specification there are certain restrictions, and the degree of automation is lower, when welding stirrup, needs manually to place stirrup, welding efficiency is low.
Summary of the invention
The purpose of the present invention is to provide a kind of shield duct piece single mesh end welders, to solve existing welding equipment
The existing specification for being applicable in shield duct piece single mesh is limited, the low problem of welding efficiency.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of shield duct piece single mesh end welder, including rack, be located at rack on and moveable movable stand, institute
It states movable stand and is placed on the Working position of rack equipped with the clamp system and welding gun driving mechanism, single mesh moved with it
Place, the clamp system is for the end of the single mesh to be fixedly clamped, and the welding gun driving mechanism is for driving welding gun to move
It moves to the Working position.
Preferably, the welding gun driving mechanism includes the X that is fixed on movable stand to mobile mechanism, setting is in X to shifting
It on motivation structure and is driven by it along X to the Y-direction mobile mechanism moved, and is arranged in Y-direction mobile mechanism and is driven by it along Y
To mobile Z-direction mobile mechanism, the welding gun is mounted in Z-direction mobile mechanism.
Preferably, the X includes the first reducing motors being fixed on movable stand to mobile mechanism, it is fixed in first and subtracts
First lead screw of speed motor output end, first threads of lead screw are connected with the first adjustment nut, and the first adjustment nut is solid
It is connected to the first adjustment seat, the Y-direction mobile mechanism is arranged on the first adjustment seat.
Preferably, the first sliding rail positioned at the first lead screw two sides is symmetrically arranged on the movable stand, the first adjustment
Seat is equipped with the first sliding block being slidably matched with first sliding rail.
Preferably, the Y-direction mobile mechanism includes the second reducing motors being fixed on the first adjustment seat, it is fixed in
Second lead screw of two decelerating motor output ends, second threads of lead screw are connected with second adjustment nut, the second adjustment spiral shell
Cap is connected with second adjustment seat, and the Z-direction mobile mechanism is arranged on second adjustment seat.
Preferably, the second sliding rail positioned at the second lead screw two sides is symmetrically arranged on the first adjustment seat, described second
Adjusting seat is equipped with the second sliding block being slidably matched with second sliding rail
Preferably, the Z-direction mobile mechanism includes the third decelerating motor being fixed on second adjustment seat, it is fixed in
The third lead screw of three decelerating motor output ends, the third threads of lead screw are connected with third adjustment nut, and the third adjusts spiral shell
Cap is connected with welding gun seat, and the welding gun is installed on welding gun seat.
Preferably, the clamp system includes the oil cylinder seat being installed on movable stand, and it is mounted on oil cylinder seat
The output end of clamping cylinder, the clamping cylinder is connected with gripping block.
Preferably, being provided with walking mechanism on the movable stand, the walking mechanism driving movable stand is relative to rack
It is mobile.
Preferably, the walking mechanism includes the movable motor being mounted on movable stand, it is fixed in movable motor output
The gear at end and the affixed rack gear engaged on the rack and with gear.
The present invention is provided with the mobile clamp system of movable stand and welding gun driving mechanism, by clamp system by monolithic
The end of net is fixedly clamped, and welding gun is then adjusted to welding position by welding gun driving mechanism, later to the end of single mesh
It is welded.The shield duct piece single mesh of various specifications can be processed, with high degree of automation and high excellent of welding efficiency
Point.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of shield duct piece single mesh of the invention；
Fig. 2 is the structural schematic diagram of shield duct piece single mesh end welder of the invention；
Fig. 3 is enlarged diagram at the I of Fig. 2 of the present invention；
Fig. 4 is the A of Fig. 2 of the present invention to schematic diagram.
In figure:
1, rack；
2, movable stand；
3, clamp system；31, oil cylinder seat；32, clamping cylinder；33, gripping block；
4, X is to mobile mechanism；41, first reducing motors；42, the first lead screw；43, the first adjustment nut；44, the first adjustment
Seat；45, the first sliding rail；46, the first sliding block；47, first bearing seat；
5, Y-direction mobile mechanism；51, second reducing motors；52, the second lead screw；53, second adjustment seat；54, the second sliding rail；
55, the second sliding block；56, second bearing seat；
6, Z-direction mobile mechanism；61, third decelerating motor；62, welding gun seat；63, third sliding rail；64, third sliding block；
7, welding gun；
8, walking mechanism；81, movable motor；82, gear；83, rack gear；
9, shaft coupling；
10, single mesh.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
The present invention provides a kind of shield duct piece single mesh end welder, as shown in Fig. 2, the shield duct piece single mesh end
Head welder includes rack 1, and Working position is equipped in rack 1, and single mesh 10 is placed at the Working position of rack 1.
Being equipped in rack 1 can be relative to the movable stand 2 of its movement, specifically, the movable stand 2 is driven by walking mechanism 8
It is mobile, as shown in Fig. 2, above-mentioned walking mechanism 8 is arranged on movable stand 2 and is connected to control mechanism (not shown), wrap
The movable motor 81 being mounted on movable stand 2 is included, the gear 82 of 81 output end of movable motor is fixed in, and is fixed in rack 1
Rack gear 83 that is upper and being engaged with gear 82.It is rotated by control movable motor 81, and passes through the engagement of gear 82 and rack gear 83,
Enable to the movable stand 2 fixed with movable motor 81 mobile relative to rack 1.In the present embodiment, the moving direction of movable stand 2
For Y-direction shown in Fig. 2 (i.e. with X to vertical direction).
The clamp system 3 that moves with it and welding gun driving mechanism are equipped on movable stand 2, by the movement of movable stand 2,
It is able to drive clamp system 3 to be moved near the Working position of rack 1, and the end of face single mesh 10.Above-mentioned clamping machine
Structure 3 is for the end of single mesh 10 to be fixedly clamped, specifically comprising the oil cylinder seat 31 being installed on movable stand 2 is mounted on
On oil cylinder seat 31 and it is connected to the clamping cylinder 32 of control mechanism, and is fixed in the gripping block 33 of 32 output end of clamping cylinder.
After clamp system 3 is moved to the position of the end of face single mesh 10, by the stretching of clamping cylinder 32 drive gripping block 33 to
Single mesh 10 is mobile, and then the end of single mesh 10 is fixedly clamped in rack 1.
Above-mentioned welding gun driving mechanism is moved together with movable stand 2, for driving welding gun 7 to be moved to above-mentioned Working position, is made
The end of single mesh 10 can be welded by obtaining welding gun 7.Specifically, above-mentioned welding gun driving mechanism includes being fixed in movable stand 2
On X to mobile mechanism 4, X is set in mobile mechanism 4 and is driven by it along X to the Y-direction mobile mechanism 5, Yi Jishe moved
It sets in Y-direction mobile mechanism 5 and is driven by it the Z-direction mobile mechanism 6 moved along Y-direction, welding gun 7 is mounted on Z-direction mobile mechanism 6
On.By the mobile mechanism in above three direction, welding gun 7 can be adjusted in the position in tri- directions X, Y, Z, and then enabled to
Welding gun 7 is in optimal welding position, ensure that the welding quality of 10 end of single mesh.In the present embodiment, above-mentioned X, Y, Z tri-
Direction is direction shown in Fig. 2.
Specifically, can refer to Fig. 2-4, above-mentioned X includes being fixed on movable stand 2 and being connected to control machine to mobile mechanism 4
The first reducing motors 41 of structure are fixed in the shaft coupling 9 of 41 output end of first reducing motors, which is connected with first
Thick stick 42, the setting direction of first lead screw 42 is X-direction, and the first lead screw 42 is supported on movement by two first bearing seats 47
On frame 2.Above-mentioned first lead screw 42 is threaded with the first adjustment nut 43, and the first adjustment nut 43 is connected with the first adjustment seat
44, Y-direction mobile mechanism 5 is arranged on the first adjustment seat 44.42 turns of the first lead screw is driven by the rotation of first reducing motors 41
It is dynamic, so that the first adjustment nut 43 being threadedly coupled with the first lead screw 42 moves in X direction relative to the first lead screw 42,
It allows for the first adjustment seat 44 affixed with the first adjustment nut 43 and Y-direction mobile mechanism 5 thereon moves in X direction.
Preferably, the first sliding rail 45 positioned at 42 two sides of the first lead screw is symmetrically arranged on movable stand 2, in the first adjustment seat
44 are equipped with the first sliding block 46 being slidably matched with the first sliding rail 45, can move to the first adjustment nut 43 and the first adjustment seat 44
Certain guiding role is played when dynamic, and increases stability when the first adjustment nut 43 and the movement of the first adjustment seat 44.
As shown in Figure 3 and 4, above-mentioned Y-direction mobile mechanism 5 includes being fixed on the first adjustment seat 44 and being connected to control
The second reducing motors 51 of mechanism are fixed in the shaft coupling 9 of 51 output end of second reducing motors, which is connected with second
Lead screw 52, the setting direction of second lead screw 52 are Y-direction, and the second lead screw 52 is supported on the by two second bearing seats 56
In one adjusting seat 44.Above-mentioned second lead screw 52 is threaded with second adjustment nut (not shown), and second adjustment nut is solid
It is connected to second adjustment seat 53, in the present embodiment, second adjustment seat 53 includes the level board being fixed on second adjustment nut, and
It is vertically connected at the vertical plate of level board, Z-direction mobile mechanism 6 is arranged on the vertical plate of second adjustment seat 53.Subtract by second
Speed motor 51 is able to drive second adjustment seat 53 and Z-direction mobile mechanism 6 thereon moves along Y-direction, and concrete principle is with X to shifting
Motivation structure 4, details are not described herein.
The second sliding rail 54 positioned at 52 two sides of the second lead screw is symmetrically arranged on the first adjustment seat 44, in second adjustment seat 53
It is equipped with the second sliding block 55 being slidably matched with the second sliding rail 54, when can move to second adjustment nut and second adjustment seat 53
Certain guiding role is played, and increases stability when second adjustment nut and the movement of second adjustment seat 53.
Above-mentioned Z-direction mobile mechanism 6 includes for being fixed on the vertical plate of second adjustment seat 53 and being connected to control mechanism
Three decelerating motors 61 are fixed in the shaft coupling 9 of 61 output end of third decelerating motor, which is connected with third lead screw (in figure
It is not shown), the setting direction of the third lead screw is Z-direction, and third lead screw passes through two bearing block (not shown) supports
On the vertical plate of second adjustment seat 53.Above-mentioned third threads of lead screw is connected with third adjustment nut (not shown), this
Three adjustment nuts are connected with welding gun seat 62, and welding gun 7 is installed on welding gun seat 62.By third decelerating motor 61, weldering can be driven
Gun platform 62 and welding gun 7 thereon are moved along Z-direction, and concrete principle is with X to mobile mechanism 4, and details are not described herein.
Preferably, the third sliding rail 63 positioned at third lead screw two sides is symmetrically arranged on the vertical plate of second adjustment seat 53,
It is equipped with the third sliding block 64 being slidably matched with third sliding rail 63 on welding gun seat 62, nut and welding gun seat 62 can be adjusted to third
Certain guiding role is played when mobile, and increases stability when third adjustment nut and the movement of welding gun seat 62.
Single mesh 10 at work, is placed on by the above-mentioned shield duct piece single mesh end welder of the present embodiment first
At the Working position of rack 1, then according to the specification of single mesh 10, controls walking mechanism 8 and run, and driven by walking mechanism 8
Movable stand 2 is mobile, and make clamp system 3 be moved to face single mesh 10 end position and the end of single mesh 10 is clamped
It is fixed, specifically, the present embodiment can be arranged a baffle in rack 1, the end of single mesh 10 by above-mentioned clamp system 3 with
And baffle realization is fixedly clamped, another clamp system can also be arranged in rack 1, by two clamp systems by monolithic
The end of net 10 is fixedly clamped, and is also possible to other structures, cooperates with clamp system 3 by single mesh 10 as long as can be realized
End is fixedly clamped.
Then, starting X passes through above-mentioned three to mobile mechanism 4, Y-direction mobile mechanism 5 and Z-direction mobile mechanism 6 as needed
The position of a institutional adjustment welding gun 7 is finally moved to welding gun 7 at the position of alignment 10 welding position of single mesh, controls later
Welding gun 7 welds the end of single mesh 10, completes an end welding process.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (8)
1. a kind of shield duct piece single mesh end welder, which is characterized in that, and can on rack (1) including rack (1)
Mobile movable stand (2), the movable stand (2) are equipped with the clamp system (3) moved with it and welding gun driving mechanism, monolithic
Net is placed at the Working position of rack (1), and the clamp system (3) is for the end of the single mesh to be fixedly clamped, institute
Welding gun driving mechanism is stated for driving welding gun (7) to be moved to the Working position；
The welding gun driving mechanism includes the X that is fixed on movable stand (2) to mobile mechanism (4), and setting is in X to mobile mechanism
(4) it on and is driven by it along X to the Y-direction mobile mechanism (5) moved, and is arranged on Y-direction mobile mechanism (5) and is driven by it
The Z-direction mobile mechanism (6) moved along Y-direction, the welding gun (7) are mounted on Z-direction mobile mechanism (6)；
It is provided with walking mechanism (8) on the movable stand (2), walking mechanism (8) driving movable stand (2) is relative to rack
(1) mobile.
2. shield duct piece single mesh according to claim 1 end welder, which is characterized in that the X is to moving machine
Structure (4) includes the first reducing motors (41) that are fixed on movable stand (2), is fixed in the of first reducing motors (41) output end
One lead screw (42), first lead screw (42) are threaded with the first adjustment nut (43), and the first adjustment nut (43) is solid
It is connected to the first adjustment seat (44), the Y-direction mobile mechanism (5) is arranged on the first adjustment seat (44).
3. shield duct piece single mesh according to claim 2 end welder, which is characterized in that the movable stand (2)
On be symmetrically arranged with the first sliding rail (45) positioned at the first lead screw (42) two sides, the first adjustment seat (44) is equipped with and described the
The first sliding block (46) that one sliding rail (45) is slidably matched.
4. shield duct piece single mesh according to claim 3 end welder, which is characterized in that the Y-direction moving machine
Structure (5) includes the second reducing motors (51) being fixed on the first adjustment seat (44), is fixed in second reducing motors (51) output
Second lead screw (52) at end, second lead screw (52) are threaded with second adjustment nut, and the second adjustment nut is affixed
Have second adjustment seat (53), the Z-direction mobile mechanism (6) is arranged on second adjustment seat (53).
5. shield duct piece single mesh according to claim 4 end welder, which is characterized in that the first adjustment seat
(44) the second sliding rail (54) positioned at the second lead screw (52) two sides is symmetrically arranged on, the second adjustment seat (53) is equipped with and institute
State the second sliding block (55) that the second sliding rail (54) is slidably matched.
6. shield duct piece single mesh according to claim 5 end welder, which is characterized in that the Z-direction moving machine
Structure (6) includes the third decelerating motor (61) being fixed on second adjustment seat (53), is fixed in third decelerating motor (61) output
The third lead screw at end, the third threads of lead screw are connected with third adjustment nut, and the third adjustment nut is connected with welding gun seat
(62), the welding gun (7) is installed on welding gun seat (62).
7. shield duct piece single mesh according to claim 1 end welder, which is characterized in that the clamp system
It (3) include the oil cylinder seat (31) being installed on movable stand (2), and the clamping cylinder (32) being mounted on oil cylinder seat (31), institute
The output end for stating clamping cylinder (32) is connected with gripping block (33).
8. shield duct piece single mesh according to claim 1 end welder, which is characterized in that the walking mechanism
(8) include the movable motor (81) being mounted on movable stand (2), be fixed in the gear (82) of movable motor (81) output end, with
And the rack gear (83) for being fixed on rack (1) and being engaged with gear (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610614383.0A CN106041341B (en) | 2016-07-26 | 2016-07-26 | Shield duct piece single mesh end welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610614383.0A CN106041341B (en) | 2016-07-26 | 2016-07-26 | Shield duct piece single mesh end welder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106041341A CN106041341A (en) | 2016-10-26 |
| CN106041341B true CN106041341B (en) | 2019-02-22 |
Family
ID=57195927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610614383.0A Active CN106041341B (en) | 2016-07-26 | 2016-07-26 | Shield duct piece single mesh end welder |
Country Status (1)
| Country | Link |
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| CN (1) | CN106041341B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931911A (en) * | 2017-12-29 | 2018-04-20 | 中铁隧道局集团有限公司 | A kind of shield cutter welder |
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| WO2006069410A2 (en) * | 2004-12-29 | 2006-07-06 | Stiwa-Fertigungstechnik Sticht Gesellschaft M.B.H. | Installation for producing and method for assembling parts |
| CN201353678Y (en) * | 2009-02-24 | 2009-12-02 | 常熟理工学院 | Special-shaped pipe fitting automatic welding device |
| CN203343634U (en) * | 2013-06-04 | 2013-12-18 | 浙江吉利汽车有限公司 | Automatic rotating type electrode holder device with self-walking function |
| CN204700446U (en) * | 2015-04-28 | 2015-10-14 | 福州志荣感应设备有限公司 | A kind of stainless steel faucet four-spindle automatic bonding machine |
| CN205869745U (en) * | 2016-07-26 | 2017-01-11 | 建科机械（天津）股份有限公司 | Shield constructs first welding equipment of section of jurisdiction monolithic grid side |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2806337B1 (en) * | 2000-03-15 | 2002-05-31 | Joseph Sauron Materiel Ind | ARC WELDING PROCESS AND AUTOMATION USING FURNISHED WIRES |
| CN203726023U (en) * | 2013-10-21 | 2014-07-23 | 唐山学院 | Automatic welding machine |
-
2016
- 2016-07-26 CN CN201610614383.0A patent/CN106041341B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006069410A2 (en) * | 2004-12-29 | 2006-07-06 | Stiwa-Fertigungstechnik Sticht Gesellschaft M.B.H. | Installation for producing and method for assembling parts |
| CN201353678Y (en) * | 2009-02-24 | 2009-12-02 | 常熟理工学院 | Special-shaped pipe fitting automatic welding device |
| CN203343634U (en) * | 2013-06-04 | 2013-12-18 | 浙江吉利汽车有限公司 | Automatic rotating type electrode holder device with self-walking function |
| CN204700446U (en) * | 2015-04-28 | 2015-10-14 | 福州志荣感应设备有限公司 | A kind of stainless steel faucet four-spindle automatic bonding machine |
| CN205869745U (en) * | 2016-07-26 | 2017-01-11 | 建科机械（天津）股份有限公司 | Shield constructs first welding equipment of section of jurisdiction monolithic grid side |
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|---|---|
| CN106041341A (en) | 2016-10-26 |
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Inventor after: Chen Zhendong Inventor after: Yuan Pengfei Inventor after: Yang Luwei Inventor after: Tu Xing Inventor after: Xiong Chaodong Inventor after: Wang Baiquan Inventor after: Wang Chunliang Inventor after: Zhang Yang Inventor after: Li Longkun Inventor after: Wang Yuqing Inventor after: Lin Chungang Inventor after: Song Hua Inventor before: Chen Zhendong |
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