CN113277116B - Leading edge flap assembling tool and assembling process thereof - Google Patents
Leading edge flap assembling tool and assembling process thereof Download PDFInfo
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- CN113277116B CN113277116B CN202110834894.4A CN202110834894A CN113277116B CN 113277116 B CN113277116 B CN 113277116B CN 202110834894 A CN202110834894 A CN 202110834894A CN 113277116 B CN113277116 B CN 113277116B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/10—Manufacturing or assembling aircraft, e.g. jigs therefor
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Abstract
The invention relates to a leading edge flap assembling tool and a leading edge flap assembling process, and belongs to the technical field of airplane assembling tools. The tool structure is as follows: the upper and lower upright posts on the two sides are connected with an upper cross beam and a lower cross beam together, and framework positioning mechanisms are arranged on the upper cross beam, the lower cross beam and the upright posts; the upper cross beam and the lower cross beam are connected with a plurality of clamping plates together; the middle part at every cardboard is equipped with at least one gasket, is equipped with the recess that holds the gasket at the cardboard near the terminal surface of skeleton, and the tip of gasket is equipped with the locating plate, and locating plate perpendicular to gasket is equipped with U type spout on the locating plate, is equipped with set screw at the side surface of cardboard, set screw and U type spout sliding fit. According to the leading edge flap assembly fixture and the assembly process thereof, when the internal framework structure is positioned in the assembly fixture, the appearance of the framework can be measured in a point mode in advance, and the distance between the framework and the clamping plate is evaluated by using the gasket, so that the assembly quality is guaranteed.
Description
Technical Field
The invention relates to a leading edge flap assembling tool and a leading edge flap assembling process, and belongs to the technical field of airplane assembling tools.
Background
In the existing leading edge flap assembling process, the phenomenon that the framework is positioned inaccurately and the skin is installed to be out of tolerance often occurs, and only when the appearance is detected after the assembly, the problem can be found, so that a large amount of manpower and material resources are wasted, and the assembly efficiency is greatly influenced because the disassembly and the rework are needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a leading edge flap assembling tool and a leading edge flap assembling process.
In order to solve the above problems, the specific technical scheme of the invention is as follows: a leading edge flap assembly fixture is characterized in that the tops of stand columns on two sides are jointly connected with an upper cross beam, the lower parts of the stand columns are jointly connected with a lower cross beam, and framework positioning mechanisms are respectively arranged on the lower surface of the upper cross beam, the bottom of the lower cross beam and the inner sides of the stand columns; the front end surface and the rear end surface of the upper cross beam are respectively provided with an upper connecting plate, the upper connecting plate is connected with the tops of a plurality of vertical and parallel clamping plates through a plurality of lug structures, the front end surface and the rear end surface of the lower cross beam are respectively provided with a plurality of locking devices, and the bottoms of the clamping plates are connected and positioned with the locking devices; the middle part at every cardboard is equipped with at least one gasket, is equipped with the recess that holds the gasket at the cardboard near the terminal surface of skeleton, and the tip of gasket is equipped with the locating plate, and locating plate perpendicular to gasket is equipped with U type spout on the locating plate, is equipped with set screw at the side surface of cardboard, set screw and U type spout sliding fit.
The locking device consists of a locking lug, a locking inserting piece and a locking bolt; the locking bolt vertically penetrates through the locking lug plates and is provided with a groove structure, and the groove structure is positioned between the two lug plates of the locking lug plates; the locking insertion piece is connected with the bottom of the clamping plate, an arc structure is arranged at the end part of the locking insertion piece, a circular positioning hole is formed in the arc structure, and the circular positioning hole and the arc structure are intersected to form an opening; the circular positioning hole is coaxially matched with the locking bolt, and the opening of the circular positioning hole is smaller than the maximum diameter of the locking bolt.
The groove structure of the locking bolt is a fan-shaped groove, and the fan-shaped angle is 45-90 degrees; when the locking bolt is locked with the locking insertion sheet, the groove structure of the locking bolt is completely positioned in the circular positioning hole; when the locking bolt and the locking insertion sheet are unlocked, the groove structure rotates to the opening of the circular positioning hole.
The framework positioning mechanism comprises two side end positioning devices, an upper end positioning device and a lower end positioning device.
The lower end positioning device structure comprises a supporting hand wheel arranged in the middle of the bottom of a lower cross beam, the supporting hand wheel is coaxially connected with a supporting positioning rod, a positioner is arranged at the top of the supporting positioning rod and penetrates through the lower cross beam, and the positioner is of a multi-lug structure and is connected with a framework; the outer circumference of the supporting and positioning rod is coaxially provided with a positioning sleeve, and the positioning sleeve is provided with a flange plate and is connected with the lower cross beam; and the positioning pins are connected together in the radial direction of the supporting and positioning rod and the positioning sleeve.
The upper end positioning device structure comprises an upper cross beam, a lower surface of the upper cross beam is movably connected with a limiting column, an inverted U-shaped clamping groove is formed in the bottom of the limiting column, and the U-shaped clamping groove is in contact positioning with the upper curved surface of the framework.
The outer end face of the clamping plate is provided with a handle, the upper connecting plate is provided with a hook, and when the clamping plate is lifted, the handle is connected to the hook in a hanging mode.
The process for assembling the leading edge flap by adopting the leading edge flap assembling tool comprises the following steps:
step one, a framework positioning mechanism is adopted to support the lower end of a framework, and two sides of the framework are tightly propped and limited;
secondly, mounting a limiting column, and limiting the upper curved surface of the framework by using the U-shaped clamping groove;
thirdly, all the clamping plates are dropped, and the bottoms of the clamping plates are locked and positioned through a locking device;
sliding the gasket to enable the gasket to be separated from the groove, and measuring whether a gap between the surface of the gasket and the framework meets the technical requirements or not by using a feeler gauge;
step five, when all the gaps meet the technical requirements, resetting the gasket, unlocking all the clamping plates by the locking device, turning up the clamping plates along the upper rotating shaft, and hanging the clamping plates on the upper connecting plate through the hooks;
placing the skin, ensuring the skin to be aligned with the two sides and the bottom of the framework, then dropping the clamping plate again, connecting a drilling template on a reserved platform of the clamping plate, and uniformly drilling the skin and the framework through the drilling template;
and seventhly, taking down the skin and the framework from the assembly tool, and carrying out further riveting connection work by a fitter.
The leading edge flap assembly fixture adopts the spacer structure on the clamping plate, can realize preliminary judgment of the skeleton appearance before assembly, and improves the assembly quality. Meanwhile, the gasket is arranged to be movable, is moved out during use, and is retracted into the groove after use, so that convenience is brought to use.
The cardboard adopts groove structure's locking form, has not only improved the positioning accuracy of cardboard, and the clamping is convenient moreover, improves assembly efficiency.
Drawings
FIG. 1 is a schematic structural view of a leading edge flap assembly fixture.
Fig. 2 is a schematic view of the gasket in operation.
Fig. 3 is a schematic view of the gasket in a non-operating state.
Fig. 4 is an isometric view of a shim.
Fig. 5 is a schematic structural view of the locking device.
Fig. 6 is an enlarged cross-sectional view of the locking device.
FIG. 7 is a schematic structural view of a leading edge flap assembling tool without a clamping plate.
Fig. 8 is a sectional view a-a of fig. 7.
FIG. 9 is a schematic view of a portion of the card being attached to the hook.
Detailed Description
As shown in fig. 1 to 4, in the leading edge flap assembling tool, the tops of the upright posts 1 on both sides are connected with an upper cross beam 2, the lower parts of the upright posts are connected with a lower cross beam 3, and framework positioning mechanisms are respectively arranged on the lower surface of the upper cross beam 2, the bottom of the lower cross beam 3 and the inner sides of the upright posts 1; the front end face and the rear end face of the upper cross beam 2 are respectively provided with an upper connecting plate 4, the upper connecting plate 4 is connected with the tops of a plurality of vertical and parallel clamping plates 5 through a plurality of lug structures, the front end face and the rear end face of the lower cross beam 3 are respectively provided with a plurality of locking devices 6, and the bottoms of the clamping plates 5 are connected and positioned with the locking devices 6; the middle of each clamping plate 5 is provided with at least one gasket 5-1, the end face, close to the framework, of each clamping plate 5 is provided with a groove 5-2 for accommodating the corresponding gasket 5-1, the end portion of each gasket 5-1 is provided with a positioning plate 5-3, each positioning plate 5-3 is perpendicular to the corresponding gasket 5-1, a U-shaped sliding groove is formed in each positioning plate 5-3, a positioning screw 5-4 is arranged on the side surface of each clamping plate 5, and each positioning screw 5-4 is in sliding fit with the corresponding U-shaped sliding groove. The thickness of the gasket 5-1 is the thickness of the skin to be installed, the gasket is arranged in the groove 5-2 in a non-working state, and the outer surface of the gasket does not protrude out of the outer edge of the groove 5-2; when the device is in a working state, the positioning screw 5-4 is not moved, the gasket moves on the positioning screw 5-4 along the path of the U-shaped sliding groove, and the gasket slides to the outside of the groove 5-2 and is used for measuring the fitting degree between the clamping plate and the framework, so that whether the appearance of the framework meets the standard or not is judged, and the framework can be completely matched with a skin to be installed.
As shown in fig. 5 to 6, the locking device 6 is composed of a locking lug 6-1, a locking insertion sheet 6-2 and a locking bolt 6-3; the locking bolt 6-3 vertically penetrates through the locking lug 6-1, the locking bolt 6-3 is provided with a groove structure, and the groove structure is positioned between two lugs of the locking lug 6-1; the locking insertion piece 6-2 is connected with the bottom of the clamping plate, an arc structure is arranged at the end part of the locking insertion piece 6-2, a circular positioning hole 6-4 is formed in the arc structure, and the circular positioning hole 6-4 is intersected with the arc structure to form an opening; the circular positioning hole 6-4 is coaxially matched with the locking bolt 6-3, and the opening of the circular positioning hole 6-4 is smaller than the maximum diameter of the locking bolt 6-3. The groove structure of the locking bolt 6-3 is a fan-shaped groove, and the fan-shaped angle is 45-90 degrees; when the locking bolt 6-3 is locked with the locking insertion sheet 6-2, the groove structure of the locking bolt 6-3 is completely positioned in the circular positioning hole 6-4; when the locking bolt 6-3 and the locking inserting sheet 6-2 are unlocked, the groove structure rotates to the opening of the circular positioning hole 6-4. The locking device adopts a groove structure, so that the complicated steps of plugging and pulling the original bolt for positioning are saved, the clamping plate can be positioned only by rotating the locking bolt 6-3, and meanwhile, the positioning precision of the clamping plate is improved because the locking bolt and the circular positioning hole are coaxially arranged.
As shown in fig. 7 and 8, the framework positioning mechanism includes two side end positioning devices, an upper end positioning device, and a lower end positioning device. The lower end positioning device structure comprises a supporting hand wheel 3-1 arranged in the middle of the bottom of a lower cross beam 3, the supporting hand wheel 3-1 is coaxially connected with a supporting and positioning rod 3-3, the upper part of the supporting and positioning rod 3-3 penetrates through the lower cross beam 3, and a positioner 3-5 is arranged at the top of the supporting and positioning rod, is of a multi-lug structure and is connected with a framework; the outer circumference of the supporting and positioning rod 3-3 is coaxially provided with a positioning sleeve 3-4, and the positioning sleeve 3-4 is provided with a flange plate and connected with the lower beam 3; the positioning pin 3-2 is connected with the supporting and positioning rod 3-3 and the positioning sleeve 3-4 together in the radial direction.
The upper end positioning device structure comprises a limiting column 2-1 movably connected to the lower surface of the upper cross beam 2, an inverted U-shaped clamping groove 2-2 is arranged at the bottom of the limiting column 2-1, and the U-shaped clamping groove 2-2 is in contact positioning with the upper curved surface of the framework. The framework is completely positioned in the tool through the U-shaped clamping groove 2-2 at the top, the positioner 3-5 below and the positioning at two sides, so that the positioning precision and the assembling precision are ensured. After the assembly is finished, all the limiting parts are removed, and the framework can be separated from the tool.
As shown in FIG. 9, the outer end face of the clamping plate 5 is provided with a handle 5-5, the upper connecting plate 4 is provided with a hook 4-1, and when the clamping plate 5 is lifted, the handle 5-5 is hung on the hook 4-1. When the cardboard does not use, adopt and articulate the form, improve assembly efficiency.
The process for assembling the leading edge flap by adopting the leading edge flap assembling tool comprises the following steps:
step one, a framework positioning mechanism is adopted to support the lower end of a framework, and two sides of the framework are tightly propped and limited;
secondly, mounting an upper limiting column 2-1, and limiting the upper curved surface of the framework by using the U-shaped clamping groove 2-2;
thirdly, all the clamping plates 5 are dropped, and the bottoms of the clamping plates 5 are locked and positioned through the locking devices 6;
sliding the gasket 5-1 to enable the gasket 5-1 to be separated from the groove 5-2, and measuring whether a gap between the surface of the gasket 5-1 and the framework meets the technical requirements or not by adopting a feeler gauge;
step five, when all the gaps meet the technical requirements, resetting the gaskets 5-1, unlocking all the clamping plates 5 by the locking devices 6, turning up the clamping plates 5 along the upper rotating shaft, and hanging the clamping plates on the upper connecting plate 4 through hooks;
placing skins to ensure that the skins are aligned with the two sides and the bottom of the framework, then dropping the clamping plate 5 again, connecting a drilling template on a reserved platform of the clamping plate 5, and uniformly drilling the skins and the framework through the drilling template;
and seventhly, taking down the skin and the framework from the assembly tool, and carrying out further riveting connection work by a fitter.
Claims (8)
1. The utility model provides a leading edge flap assembly fixture which characterized in that: the top parts of the upright posts (1) on the two sides are connected with an upper cross beam (2) together, the lower parts of the upright posts are connected with a lower cross beam (3) together, and framework positioning mechanisms are arranged on the lower surface of the upper cross beam (2), the bottom of the lower cross beam (3) and the inner sides of the upright posts (1) respectively; the front end face and the rear end face of the upper cross beam (2) are respectively provided with an upper connecting plate (4), the upper connecting plate (4) is connected with the tops of a plurality of vertical and parallel clamping plates (5) through a plurality of lug structures, the front end face and the rear end face of the lower cross beam (3) are respectively provided with a plurality of locking devices (6), and the bottoms of the clamping plates (5) are connected and positioned with the locking devices (6); the middle of each clamping plate (5) is provided with at least one gasket (5-1), the end face, close to the framework, of each clamping plate (5) is provided with a groove (5-2) for containing the gasket (5-1), the end portion of each gasket (5-1) is provided with a positioning plate (5-3), each positioning plate (5-3) is perpendicular to the corresponding gasket (5-1), a U-shaped sliding groove is formed in each positioning plate (5-3), a positioning screw (5-4) is arranged on the side surface of each clamping plate (5), and each positioning screw (5-4) is in sliding fit with the corresponding U-shaped sliding groove.
2. The leading edge flap assembly tooling of claim 1, wherein: the locking device (6) consists of a locking lug (6-1), a locking inserting piece (6-2) and a locking bolt (6-3); the locking bolt (6-3) vertically penetrates through the locking lug (6-1), the locking bolt (6-3) is provided with a groove structure, and the groove structure is positioned between two lugs of the locking lug (6-1); the locking insertion piece (6-2) is connected with the bottom of the clamping plate, the end part of the locking insertion piece (6-2) is provided with an arc structure, the arc structure is provided with a circular positioning hole (6-4), and the circular positioning hole (6-4) is intersected with the arc structure to form an opening; the circular positioning hole (6-4) is coaxially matched with the locking bolt (6-3), and the opening of the circular positioning hole (6-4) is smaller than the maximum diameter of the locking bolt (6-3).
3. The leading edge flap assembly tooling of claim 2, wherein: the groove structure of the locking bolt (6-3) is a fan-shaped groove, and the fan-shaped angle is 45-90 degrees; when the locking bolt (6-3) is locked with the locking inserting sheet (6-2), the groove structure of the locking bolt (6-3) is completely positioned in the circular positioning hole (6-4); when the locking bolt (6-3) and the locking inserting sheet (6-2) are unlocked, the groove structure rotates to the opening of the circular positioning hole (6-4).
4. The leading edge flap assembly tooling of claim 1, wherein: the framework positioning mechanism comprises two side end positioning devices, an upper end positioning device and a lower end positioning device.
5. The leading edge flap assembly tooling of claim 4, wherein: the lower end positioning device structure comprises a supporting hand wheel (3-1) arranged in the middle of the bottom of a lower cross beam (3), the supporting hand wheel (3-1) is coaxially connected with a supporting and positioning rod (3-3), the upper part of the supporting and positioning rod (3-3) penetrates through the lower cross beam (3), and a positioner (3-5) is arranged at the top of the supporting and positioning rod, is of a multi-lug structure and is connected with a framework; a positioning sleeve (3-4) is coaxially arranged on the outer circumference of the supporting and positioning rod (3-3), and a flange plate is arranged on the positioning sleeve (3-4) and connected with the lower cross beam (3); the positioning pins (3-2) are connected together in the radial direction of the supporting and positioning rod (3-3) and the positioning sleeve (3-4).
6. The leading edge flap assembly tooling of claim 4, wherein: the upper end positioning device structure comprises an upper cross beam (2) and a lower surface movably connected with a limiting column (2-1), an inverted U-shaped clamping groove (2-2) is arranged at the bottom of the limiting column (2-1), and the U-shaped clamping groove (2-2) is in contact positioning with the upper curved surface of the framework.
7. The leading edge flap assembly tooling of claim 1, wherein: the outer end face of the clamping plate (5) is provided with a handle (5-5), the upper connecting plate (4) is provided with a hook (4-1), and when the clamping plate (5) is lifted, the handle (5-5) is hung on the hook (4-1).
8. A leading edge flap assembling process adopting the leading edge flap assembling tool of any one of claims 1 to 7, characterized by comprising the following steps:
step one, a framework positioning mechanism is adopted to support the lower end of a framework, and two sides of the framework are tightly propped and limited;
secondly, mounting a limiting column (2-1), and limiting the upper curved surface of the framework by using a U-shaped clamping groove (2-2);
thirdly, all the clamping plates (5) are dropped, and the bottoms of the clamping plates (5) are locked and positioned through locking devices (6);
sliding the gasket (5-1) to enable the gasket (5-1) to be separated from the groove (5-2), and measuring whether a gap between the surface of the gasket (5-1) and the framework meets the technical requirements or not by using a feeler gauge;
step five, when all the gaps meet the technical requirements, resetting the gasket (5-1), unlocking all the clamping plates (5) by the locking device (6), turning up the clamping plates (5) along the upper rotating shaft, and hanging the clamping plates on the upper connecting plate (4) through hooks;
placing skins to ensure that the skins are aligned with the two sides and the bottom of the framework, then dropping the clamping plate (5), connecting a drilling template on a reserved platform of the clamping plate (5), and uniformly drilling the skins and the framework through the drilling template;
and seventhly, taking down the skin and the framework from the assembly tool, and carrying out further riveting connection work by a fitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110834894.4A CN113277116B (en) | 2021-07-23 | 2021-07-23 | Leading edge flap assembling tool and assembling process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110834894.4A CN113277116B (en) | 2021-07-23 | 2021-07-23 | Leading edge flap assembling tool and assembling process thereof |
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| CN113277116A CN113277116A (en) | 2021-08-20 |
| CN113277116B true CN113277116B (en) | 2021-09-28 |
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| CN202110834894.4A Active CN113277116B (en) | 2021-07-23 | 2021-07-23 | Leading edge flap assembling tool and assembling process thereof |
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Families Citing this family (1)
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| CN117508630B (en) * | 2024-01-04 | 2024-04-05 | 成都市鸿侠科技有限责任公司 | Size-adjustable aircraft side aileron assembly type frame |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8661684B1 (en) * | 2010-01-21 | 2014-03-04 | The Boeing Company | High rate pulsing wing assembly line |
| CN103921116A (en) * | 2014-04-24 | 2014-07-16 | 浙江大学 | Flexible assembly system for aircraft panel |
| CN108928502A (en) * | 2018-07-05 | 2018-12-04 | 南京航空航天大学 | Assemble the tooling of composite material wing box and the method using tooling assembly wing box |
| CN109466794A (en) * | 2018-11-22 | 2019-03-15 | 南京航空航天大学 | A kind of composite material wing box assembly method of power-position collaboration |
| CN110979724A (en) * | 2019-12-31 | 2020-04-10 | 哈尔滨安宇迪航空工业有限公司 | Assembly tool device and positioning method for vertical empennage of airplane |
| CN211943776U (en) * | 2020-03-03 | 2020-11-17 | 沈阳华天航空机械有限公司 | Adjustable main wing cementing assembly jig |
| CN113212792A (en) * | 2021-05-07 | 2021-08-06 | 常州启赋安泰复合材料科技有限公司 | Aileron assembly fixture |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2657816C1 (en) * | 2016-07-05 | 2018-06-15 | Публичное акционерное общество "Туполев" | Method for assembling wing of flying apparatus |
| IT201700122745A1 (en) * | 2017-10-27 | 2019-04-27 | Salver S P A | Assembly process of parts of an aeronautical wing |
-
2021
- 2021-07-23 CN CN202110834894.4A patent/CN113277116B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8661684B1 (en) * | 2010-01-21 | 2014-03-04 | The Boeing Company | High rate pulsing wing assembly line |
| CN103921116A (en) * | 2014-04-24 | 2014-07-16 | 浙江大学 | Flexible assembly system for aircraft panel |
| CN108928502A (en) * | 2018-07-05 | 2018-12-04 | 南京航空航天大学 | Assemble the tooling of composite material wing box and the method using tooling assembly wing box |
| CN109466794A (en) * | 2018-11-22 | 2019-03-15 | 南京航空航天大学 | A kind of composite material wing box assembly method of power-position collaboration |
| CN110979724A (en) * | 2019-12-31 | 2020-04-10 | 哈尔滨安宇迪航空工业有限公司 | Assembly tool device and positioning method for vertical empennage of airplane |
| CN211943776U (en) * | 2020-03-03 | 2020-11-17 | 沈阳华天航空机械有限公司 | Adjustable main wing cementing assembly jig |
| CN113212792A (en) * | 2021-05-07 | 2021-08-06 | 常州启赋安泰复合材料科技有限公司 | Aileron assembly fixture |
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Address after: 110000 No.23, Hongbin Road, Yuhong District, Shenyang City, Liaoning Province Patentee after: Liaoning Huatian Aviation Technology Co.,Ltd. Address before: 110000 No.23, Hongbin Road, Yuhong District, Shenyang City, Liaoning Province Patentee before: SHENZHEN HUATIAN AVIATION MACHINERY CO.,LTD. |