CN114161065A - Wind tunnel guide vane welding auxiliary device - Google Patents
Wind tunnel guide vane welding auxiliary device Download PDFInfo
- Publication number
- CN114161065A CN114161065A CN202111608498.6A CN202111608498A CN114161065A CN 114161065 A CN114161065 A CN 114161065A CN 202111608498 A CN202111608498 A CN 202111608498A CN 114161065 A CN114161065 A CN 114161065A
- Authority
- CN
- China
- Prior art keywords
- frame body
- wind tunnel
- sheet
- auxiliary device
- profiling
- Prior art date
- 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.)
- Pending
Links
Images
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
- 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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention provides a wind tunnel flow deflector welding auxiliary device, which comprises a front frame body, a rear frame body and a supporting mechanism, wherein the front frame body and the rear frame body are formed by welding profile steels; the three frame bodies are fixedly connected together by a plurality of lower profiling sheets which are spaced and arranged side by side, and the tops of the lower profiling sheets are provided with concave surfaces, and the curved surface shapes of the concave surfaces are matched with the outer skin of the wind tunnel flow deflector; a rotating mechanism is fixed on the upper end surface of the rear frame body and at a position corresponding to each lower profiling sheet, an upper profiling sheet is movably arranged on the rotating mechanism, a convex surface is arranged at the bottom of the upper profiling sheet, and the shape of the curved surface of the convex surface is matched with the inner skin of the wind tunnel flow deflector; and a pressing mechanism for locking the upper profiling sheet is arranged on the end surface of the top end of the front frame body and at the position corresponding to each upper profiling sheet. The welding operation of the inner skin and the outer skin is easier through the outer skin and the inner skin which are obliquely arranged between the upper profiling sheet and the lower profiling sheet.
Description
Technical Field
The invention belongs to the technical field of wind tunnel flow deflectors, and particularly relates to a welding auxiliary device for wind tunnel flow deflectors.
Background
With the development of aerospace industry and the requirement of developing various novel missiles on boulders, the influence of wind resistance coefficient and atmospheric turbulence on flying aircrafts needs to be verified by wind tunnel tests. The basic equipment for aerodynamic research is an important foundation for developing the research and development of the aerospace aircraft, and the accuracy of later-stage test data is directly influenced by the manufacturing capacity and the manufacturing precision of the equipment. With the technical development, the equipment is designed to be larger and larger, the precision is higher and higher, and the manufacturing difficulty is higher and higher. The corner flow deflector in the wind tunnel belongs to an oversize special-shaped structural part, the molded surface is a curved surface, the length is large, the precision requirement is high, and the welding is easy to deform. The device special for manufacturing the large-size wind tunnel flow deflector is characterized in that a special corresponding size auxiliary device is designed for workpieces with different sizes according to actual structures of the workpieces, high-precision assembly and welding of the workpieces are guaranteed through the auxiliary device, welding deformation is controlled, and manufacturing precision is guaranteed to meet product requirements. Whether the structure of the special device for manufacturing the wind tunnel flow deflector reasonably and directly influences the manufacturing precision of the flow deflector, further influences the whole precision of the wind tunnel, and has decisive effect on the wind tunnel test of a follow-up aircraft, so that an auxiliary device which is reasonable in structure and convenient for welding the flow deflector is needed.
Disclosure of Invention
According to the technical problems of large size, high welding precision requirement and easy deformation during welding of the pneumatic deflector, the pneumatic deflector welding auxiliary device with the supporting structure made of profile steel and provided with the upper profiling sheet and the lower profiling sheet which are matched with the curved surface of the pneumatic deflector is provided, and the pneumatic deflector welding auxiliary device comprises a front frame body, a rear frame body and a supporting mechanism, wherein the front frame body and the rear frame body are formed by welding the profile steel, and the supporting mechanism is connected with the bottom frame body of the two frame bodies; the three frame bodies are fixedly connected together by a plurality of lower profiling sheets which are spaced and arranged side by side, and the tops of the lower profiling sheets are provided with concave surfaces, and the curved surface shapes of the concave surfaces are matched with the outer skin of the wind tunnel flow deflector; a rotating mechanism is fixed on the upper end surface of the rear frame body and at a position corresponding to each lower profiling sheet, an upper profiling sheet is movably arranged on the rotating mechanism, a convex surface is arranged at the bottom of the upper profiling sheet, and the shape of the curved surface of the convex surface is matched with the inner skin of the wind tunnel flow deflector; the upper profiling sheet rotates relative to the lower profiling sheet by taking a mandrel of the rotating mechanism as a circle center; and a pressing mechanism for locking the upper profiling sheets is arranged on the end surface of the top end of the front frame body and at the position corresponding to each upper profiling sheet.
Furthermore, an included angle between a plane formed by connecting lines of the tops of the front frame body and the rear frame body and the plane of the bottom frame body is alpha, and alpha is more than or equal to 10 degrees and less than or equal to 20 degrees.
Further, the lower profiling sheets are connected by a plurality of reinforcing ribs.
Furthermore, the rotating mechanism is a hinged support fixed on the end face of the top end of the rear frame body, a first groove with an upward opening is formed in the upper portion of the hinged support, and one end portion of the upper profiling sheet is arranged in the first groove and hinged with the hinged support through a pin shaft.
Furthermore, the pressing mechanism comprises a C-shaped block fixed on the end face of the top end of the front frame body, a second groove with an opening facing the supporting mechanism is formed in the middle of the C-shaped block, a pressing block is movably installed in the second groove, a strip-shaped blind hole with an upward opening is formed in the pressing block, a screw is connected to the top of the C-shaped block in a threaded mode, the end portion of the screw is arranged in the blind hole, and a third groove with an opening facing the rear frame body is formed in the other side, opposite to the blind hole, of the pressing block.
Further, the reinforcing ribs are angle steels arranged in an upward plane.
Furthermore, a plurality of weight removing holes are arranged on the upper copying sheet.
Further, the spacing distance of the lower dummy plates arranged side by side is 1 m.
Furthermore, the bottom of the third groove is provided with a slope which is downwards inclined and is matched with the top plane of the upper profiling sheet.
The invention has the following advantages:
1. the pressing mechanism is simple in structure, the inclined plane at the bottom of the third groove of the locking block is well attached to the top plane of the upper profiling sheet, the pressing effect is good, the upper profiling sheet and the lower profiling sheet can well keep relative positions in a working state and are well fixed between the upper profiling sheet and the lower profiling sheet during welding operation, and the welding effect is good.
2. The plane formed by connecting lines of the top parts of the front frame body and the rear frame body and the plane of the bottom frame body are designed to form an included angle of 10-20 degrees, so that an inclined angle also exists between the inner concave curved surface of the wind-driven deflector and the plane of the bottom frame body, and the welding operation is more convenient.
3. The supporting mechanism adopts profile steel welding, the lower profiling sheet adopts angle steel as a reinforcing rib, and the upper profiling sheet is provided with a weight-removing hole, so that the material is saved, and the weight of the device is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a three-dimensional view of the upper profile strip of the present invention in a locked condition.
Fig. 2 is a three-dimensional view of the upper copy of the invention in an open state.
Fig. 3 is a three-dimensional view of the hold-down mechanism of fig. 1 in an operating state.
Fig. 4 is a front view of the compact of fig. 3.
Fig. 5 is a top view of fig. 4.
Fig. 6 is an assembled three-dimensional view of the rotating mechanism and the upper replica plate.
In the figure: 1. a support mechanism; 1.1, a front frame body; 1.2, a rear frame body; 1.3, a bottom frame body; 2. a lower copy sheet; 2.1, concave surface; 3. a rotating mechanism; 3.1, hinging seat; 3.2, a pin shaft; 3.3, a first groove; 4. reinforcing ribs; 5. a profiling sheet is arranged; 5.1, convex surface; 5.2, removing heavy holes; 6. a hold-down mechanism; 6.1, screws; 6.2, C-shaped block; 6.3, a second groove; 6.4, pressing blocks; 6.5, a third groove; 6.6, blind holes; 6.7, inclined plane.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a special device for manufacturing a wind tunnel flow deflector, which comprises a front frame body 1.1 and a rear frame body 1.2 which are formed by welding profile steels and a supporting mechanism 1 consisting of a bottom frame body 1.3 connecting the two frame bodies; the three frame bodies are formed by connecting 10 lower profiling sheets 2 which are arranged side by side and provided with concave surfaces 2.1 at the tops, the distances between the 10 frame bodies are set to be 1m, the curved surface shapes of the concave surfaces 2.1 are matched with the outer skin of the wind tunnel flow deflector, and the 10 lower profiling sheets are connected together by using 8 angle steels with upward planes as reinforcing ribs 4; a rotating mechanism 3 is fixed on the upper end face of the rear frame body 1.2 and the position corresponding to each lower profiling sheet 2, an upper profiling sheet 5 is movably arranged on the rotating mechanism 3, a convex surface 5.1 is arranged at the bottom of the upper profiling sheet 5, the curved surface shape of the convex surface 5.1 is matched with the inner skin of the wind tunnel deflector, 4 weight removing holes 5.2 are formed in the sheet body of the upper profiling sheet 5, and the weight of the sheet body can be lightened as much as possible according to the curved surface shape of the sheet body and under the condition of ensuring the rigidity of the sheet body by the positions and the sizes of the weight removing holes 5.2; the upper profiling sheet 5 relatively rotates with respect to the lower profiling sheet 2 by taking a mandrel of the rotating mechanism 3 as a circle center; a pressing mechanism 6 for locking the upper profiling sheets 5 and the front frame body 1.1 is arranged on the end face of the top end of the front frame body 1.1 at the position corresponding to each upper profiling sheet 5; before welding the inner skin and the outer skin of the wind tunnel flow deflector, firstly rolling the inner skin and the outer skin of the wind tunnel flow deflector into a preset curved surface by using a plate rolling machine, and then paving the outer skin on the curved surface consisting of 10 lower profiling sheets 2 in the supporting structure 1; then, the inner skin is placed on the outer skin, 10 upper profiling sheets 5 are sequentially locked on the front frame body 1.1 through the pressing mechanism 6, and because the concave surface 2.1 at the upper end of the lower profiling sheet 2 is matched with the curved surface of the outer skin, the convex surface 5.1 at the lower end of the upper profiling sheet 2 is matched with the curved surface of the outer skin, the inner skin and the outer skin of the pneumatic guide vane are fixed in a space formed between the two sets of profiling sheets and cannot move, and the inner skin and the outer skin can be welded together.
As a preferred embodiment, an angle between a plane formed by connecting lines at the tops of the front frame body 1.1 and the rear frame body 1.2 and a plane of the bottom frame body 1.3 is α, α is greater than or equal to 10 ° and less than or equal to 20 °, and an angle α is preferably 15 °, so that the inner skin and the outer skin of the pneumatic deflector are obliquely placed between the upper dummy sheet and the lower dummy sheet, which is convenient for a welder to perform welding operation.
As a preferred embodiment, the rotating mechanism 3 is a hinged support 3.1 fixed on the top end face of the rear frame 1.2 by welding, the upper part of the hinged support 3.1 is provided with a first groove 3.3 with an upward opening, and one end part of the upper profiling sheet 5 is placed in the first groove 3.3 and hinged with the hinged support 3.1 by a pin shaft 3.2; the upper copying sheet 5 can rotate in the first groove 3.3 by taking the pin shaft 3.2 as a circle center.
As a preferred embodiment, the pressing mechanism 6 includes a C-shaped block 6.2 fixed on the end surface of the top end of the front frame 1.1, a second groove 6.3 with an opening facing the support mechanism 1 is arranged in the middle of the C-shaped block 6.2, a pressing block 6.4 is movably arranged in the second groove 6.3, a strip-shaped blind hole 6.6 with an upward opening is arranged on the pressing block 6.4, a screw 6.1 is connected with the top of the C-shaped block 6.2 through a thread, the end of the screw 6.1 is arranged in the blind hole 6.6, a third groove 6.5 with an opening facing the rear frame 1.2 is arranged on the other side of the pressing block 6.4 opposite to the blind hole 6.6, and an inclined plane 6.7 which is inclined downwards and is matched with the top plane of the upper profiling sheet 5 is arranged at the bottom of the third groove 6.5; when the pressing is carried out, after the upper copying sheet 5 rotates to the closed position, the pressing block 6.4 is pushed to the upper copying sheet 5, the sheet body at the end part of the upper copying sheet 5 is clamped in the third groove 6.5, the inclined surface 6.7 at the bottom of the third groove 6.5 is tightly contacted with the top surface of the upper copying sheet 5, then the screw 6.1 is screwed downwards, the end part of the screw 6.1 is tightly pressed against the bottom of the blind hole 6.6, the pressing block 6.4 is fixed in the second groove 6.3, and the upper copying sheet 5 is locked.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a welding auxiliary device of wind-tunnel water conservancy diversion piece which characterized in that: the supporting mechanism (1) comprises a front frame body (1.1) formed by welding section steel, a rear frame body (1.2) and a bottom frame body (1.3) connecting the two frame bodies; the three frame bodies are fixedly connected together by a plurality of lower profiling sheets (2) which are spaced and arranged side by side, and the tops of the lower profiling sheets are provided with concave surfaces (2.1), and the curved surface shapes of the concave surfaces (2.1) are matched with the outer skin of the wind tunnel flow deflector; a rotating mechanism (3) is fixed on the upper end face of the rear frame body (1.2) and at a position corresponding to each lower profiling sheet (2), an upper profiling sheet (5) is movably arranged on the rotating mechanism (3), a convex surface (5.1) is arranged at the bottom of the upper profiling sheet (5), and the shape of the curved surface of the convex surface (5.1) is matched with the inner skin of the wind tunnel deflector; the upper profiling sheet (5) relatively rotates with respect to the lower profiling sheet (2) by taking a mandrel of the rotating mechanism (3) as a circle center; and a pressing mechanism (6) for locking the upper profiling sheets (5) is arranged at the position, corresponding to each upper profiling sheet (5), on the end surface of the top end of the front frame body (1.1).
2. The welding auxiliary device of the wind tunnel guide vane of claim 1, wherein: an included angle between a plane formed by connecting lines of the tops of the front frame body (1.1) and the rear frame body (1.2) and the plane of the bottom frame body (1.3) is alpha, and alpha is larger than or equal to 10 degrees and smaller than or equal to 20 degrees.
3. The welding auxiliary device of the wind tunnel guide vane of claim 1, wherein: the lower profiling sheets (2) are connected by a plurality of reinforcing ribs (4).
4. The welding auxiliary device of the wind tunnel guide vane of claim 1, wherein: the rotating mechanism (3) is a hinged support (3.1) fixed on the end face of the top end of the rear frame body (1.2), a first groove (3.3) with an upward opening is formed in the upper portion of the hinged support (3.1), and one end portion of the upper profiling sheet (5) is arranged in the first groove (3.3) and is hinged with the hinged support (3.1) through a pin shaft (3.2).
5. The welding auxiliary device of the wind tunnel guide vane of claim 1, wherein: hold-down mechanism (6) are including fixing C-shaped piece (6.2) on preceding framework (1.1) top end face, the centre of C-shaped piece (6.2) is equipped with the opening and moves towards second recess (6.3) of supporting mechanism (1), clamp block (6.4) are equipped with in second recess (6.3) movably, be equipped with the rectangular shape blind hole (6.6) that the opening is ascending on clamp block (6.4), the top threaded connection of C-shaped piece (6.2) has screw (6.1), the tip of screw (6.1) is arranged in blind hole (6.6) be equipped with the opening on the opposite side of blind hole (6.6) of clamp block (6.4) and move towards third recess (6.5) of back framework (1.2).
6. The welding auxiliary device of the wind tunnel guide vane of claim 3, wherein: the reinforcing ribs (4) are angle steels arranged in an upward plane.
7. The welding auxiliary device of the wind tunnel guide vane of claim 1, wherein: the upper profiling sheet (5) is provided with a plurality of weight-removing holes (5.2).
8. The welding auxiliary device of the wind tunnel guide vane of claim 1, wherein: the spacing distance between the lower profiling sheets (2) arranged side by side is 1 m.
9. The welding auxiliary device of the wind tunnel guide vane of claim 5, wherein: the bottom of the third groove (6.5) is provided with a slope (6.7) which is downward inclined and is matched with the top plane of the upper profiling sheet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111608498.6A CN114161065A (en) | 2021-12-22 | 2021-12-22 | Wind tunnel guide vane welding auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111608498.6A CN114161065A (en) | 2021-12-22 | 2021-12-22 | Wind tunnel guide vane welding auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114161065A true CN114161065A (en) | 2022-03-11 |
Family
ID=80488422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111608498.6A Pending CN114161065A (en) | 2021-12-22 | 2021-12-22 | Wind tunnel guide vane welding auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114161065A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029017A (en) * | 2014-06-24 | 2014-09-10 | 四川省工业设备安装公司 | Wind tunnel flow deflector forming device |
| CN105108418A (en) * | 2015-09-18 | 2015-12-02 | 武汉一冶钢结构有限责任公司 | Assistant forming die and method for air tunnel flow deflector |
| CN105108404A (en) * | 2015-09-18 | 2015-12-02 | 武汉一冶钢结构有限责任公司 | Wind tunnel guide vane assembly welding device and method |
| CN113664437A (en) * | 2021-08-16 | 2021-11-19 | 武汉一冶钢结构有限责任公司 | Low-temperature wind tunnel solid guide vane assembling device and guide vane assembling method |
-
2021
- 2021-12-22 CN CN202111608498.6A patent/CN114161065A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029017A (en) * | 2014-06-24 | 2014-09-10 | 四川省工业设备安装公司 | Wind tunnel flow deflector forming device |
| CN105108418A (en) * | 2015-09-18 | 2015-12-02 | 武汉一冶钢结构有限责任公司 | Assistant forming die and method for air tunnel flow deflector |
| CN105108404A (en) * | 2015-09-18 | 2015-12-02 | 武汉一冶钢结构有限责任公司 | Wind tunnel guide vane assembly welding device and method |
| CN113664437A (en) * | 2021-08-16 | 2021-11-19 | 武汉一冶钢结构有限责任公司 | Low-temperature wind tunnel solid guide vane assembling device and guide vane assembling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215201678U (en) | Aircraft moves part location assembly fixture | |
| CN112763347B (en) | Shearing test equipment and method for rib-collapsing large-opening reinforced wallboard of aircraft wing | |
| CN111442901A (en) | Device for assembling phi 1 m-magnitude wind tunnel jet pipe section | |
| CN114161065A (en) | Wind tunnel guide vane welding auxiliary device | |
| CN106840882B (en) | Combined test device with adjustable slope trend included angle | |
| CN109612836B (en) | Vertical compression test device suitable for big wallboard of buckling | |
| CN206511143U (en) | A kind of multi-rotor unmanned aerial vehicle lift test fixture | |
| CN210664977U (en) | Wind tunnel test device for vehicle and bridge model | |
| CN111337340B (en) | Testing arrangement of simply-supported stringer of side end test piece configuration | |
| CN211824959U (en) | Device for assembling phi 1 m-magnitude wind tunnel jet pipe section | |
| CN110788477A (en) | Groove beam machining system | |
| CN114427963B (en) | High-size large-load adjustable bearing platform for static test and test method | |
| CN113277116B (en) | Leading edge flap assembling tool and assembling process thereof | |
| EP3934899B1 (en) | Detachable turner beam for turning wind turbine blade mould | |
| CN211194330U (en) | Quadrilateral support for prefabricated side formwork of segmental box girder | |
| CN110640443B (en) | Vehicle-mounted equipment installs frock | |
| CN207205645U (en) | A kind of compact flexible welding clamp | |
| US20070101793A1 (en) | Metal bending with an anti-galling bend fixture | |
| CN219442976U (en) | Pit shaping device for skin of passenger plane body | |
| CN208895531U (en) | Mobile garbage compression box hydraulic cylinder assembling tool | |
| CN110793839A (en) | Method for testing damage tolerance strength of full-size composite spoiler of airplane | |
| CN117740316B (en) | Wind tunnel test device and test method for solar aircraft with large aspect ratio | |
| CN205212781U (en) | Utensil is examined fast to solar energy aluminium alloy frame | |
| CN219068137U (en) | Photovoltaic cell board with adjustable | |
| CN220187617U (en) | New forms of energy cold plate platfonn examines utensil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |