CN105057878A - Internal clamping fixture assembly for friction stir welding device for aircraft fuel storage barrels - Google Patents
Internal clamping fixture assembly for friction stir welding device for aircraft fuel storage barrels Download PDFInfo
- Publication number
- CN105057878A CN105057878A CN201510491712.2A CN201510491712A CN105057878A CN 105057878 A CN105057878 A CN 105057878A CN 201510491712 A CN201510491712 A CN 201510491712A CN 105057878 A CN105057878 A CN 105057878A
- Authority
- CN
- China
- Prior art keywords
- clamp
- screw mandrel
- nut
- fuel storage
- friction stir
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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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/129—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding specially adapted for particular articles or workpieces
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention provides an internal clamping fixture assembly for a friction stir welding device for aircraft fuel storage barrels. The internal clamping fixture assembly comprises a workbench, wherein a sliding table is arranged on the workbench; a mounting table is arranged on the sliding table; a bracing frame is arranged on the front end surface of the mounting table; an internal clamping fixture is arranged in the front of the bracing frame and comprises a mounting frame; the mounting frame is surrounded by a round of clamping blocks which include a plurality of clamping blocks A and a plurality of clamping blocks B; the quantity of the clamping blocks A is equal to the quantity of the clamping blocks B; the clamping blocks A and the clamping blocks B are alternately distributed; the clamping blocks A are connected to lead screws A; the clamping blocks B are connected to lead screws B; the lead screws A are sheathed with nuts A; the lead screws B are sheathed with nuts B; when the nuts A rotate, the lead screws A can be driven to move along the axial direction of the nuts A; when the nuts B rotate, the lead screws B can be driven to move along the axial direction of the nuts B; and when the clamping blocks form an external supporting effect, the end surfaces of the clamping blocks A are against the end surfaces of the clamping blocks B, thereby forming a round defined by the clamping blocks A and the clamping blocks B. The internal clamping fixture assembly is relatively simple in structure and convenient to operate.
Description
Technical field
The present invention relates to the interior fixture assembly of friction stir weld device of aircraft fuel storage barrel.
Background technology
Aircraft fuel storage barrel carry out friction stir welding welding time, employing be several cylinder weldings connect shaping.When welding, need to adopt outer fixture to be clamped by cylinder in the outside of cylinder, in the inner side of cylinder adopts, fixture carries out outer support to cylinder, thus circle is carried out clamping and positioning.The friction stir weld device of existing aircraft fuel storage barrel is quite complicated with interior clamp structure, operates also comparatively complicated.
Summary of the invention
In order to overcome the above-mentioned deficiency of friction stir weld device with interior fixture of existing aircraft fuel storage barrel, the invention provides the interior fixture assembly of friction stir weld device of a kind of structure aircraft fuel storage barrel comparatively simple, easy and simple to handle.
The technical scheme that the present invention solves its technical problem is: the interior fixture assembly of friction stir weld device of aircraft fuel storage barrel, comprise workbench, described workbench is provided with slide unit, described slide unit is connected with the slide unit driving mechanism for driving it to slide, described slide unit is provided with erecting bed, the front end face of described erecting bed is provided with support, described support has circular pushing out ring, also comprise the fixture being positioned at described support front, described interior fixture comprises installing rack, described installing rack and a reciprocal axle removably connect, this reciprocal axle is parallel with the glide direction of described slide unit, described reciprocal axle is connected with a reciprocating drive mechanism, penetrate after described reciprocal axis in described support and erecting bed,
Described installing rack periphery is wound with a circle clamp, described clamp comprises some pieces of clamp A and some pieces of clamp B, the quantity of clamp A is equal with the quantity of clamp B, described clamp A and clamp B is alternately distributed, the inclined plane B of the both ends of the surface of clamp A to be the both ends of the surface of identical outward-dipping inclined plane A, clamp B be identical intilted with described inclined plane A adaptation;
Described clamp A is connected with screw mandrel A, described clamp B is connected with screw mandrel B, on described screw mandrel A, cover has nut A, on described screw mandrel B, cover has nut B, described nut A is connected with the nut driving mechanism A for driving it to rotate, described nut B is connected with the nut driving mechanism B for driving it to rotate, described nut driving mechanism A and nut driving mechanism B is all fixed on described installing rack, thus described nut A can drive described screw mandrel A to prolong it when rotating moves axially, described nut B can drive described screw mandrel B to prolong it when rotating and move axially,
The end face of the clamp A described in when described clamp forms outer support effect pushes up mutually with the end face of clamp B, thus clamp A and clamp B surrounds a circle.
Further, described nut driving mechanism A and nut driving mechanism B is servomotor.
Further, described servomotor is removably mounted on described installing rack.
Further, the output shaft of described servomotor is provided with driving pulley, and described nut A, nut B are provided with driven pulley, are connected between described driving pulley and driven pulley by Timing Belt.
Further, the afterbody of described screw mandrel A and screw mandrel B is provided with positioning screw cap.
Further, the front end of described screw mandrel A and the front end of screw mandrel B are all removably connected with connector, and described clamp A is removably connected by connector and described screw mandrel A, and described clamp B is removably connected by connector and described screw mandrel B.
Further, described screw mandrel A and the front end of screw mandrel B are provided with ring flange, described ring flange is connected with connection pawl by flange bolt, described clamp A and the medial surface of clamp B are provided with interlayer, and described connection pawl is stretched into after in described interlayer and fixed by fishbolt and clamp A, clamp B.
Further, described installing rack is spliced by some points of framves.
Further, the two ends of described clamp B are provided with joint, described joint comprises panel, described panel is fixed on the two ends of described clamp B by holding screw, described panel is provided with protruding convex key, described panel forms described inclined plane B, and the lateral surface of described convex key is parallel with described inclined plane B; The both ends of the surface of described clamp A are provided with slot, and the bottom surface of described slot is parallel with described inclined plane A, and described convex key can insert in described slot.
Or: the two ends of described clamp A are provided with joint, described joint comprises panel, described panel is fixed on the two ends of described clamp A by holding screw, described panel is provided with protruding convex key, described panel forms described inclined plane A, and the lateral surface of described convex key is parallel with described inclined plane A; The both ends of the surface of described clamp B are provided with slot, and the bottom surface of described slot is parallel with described inclined plane B, and described convex key can insert in described slot.
Cylinder in use, is first enclosed within support by the present invention, and the diameter of pushing out ring is suitable with the diameter of cylinder, and therefore cylinder can be supported on support.Then slide unit driving mechanism drives slide unit to be sent forward by cylindrical workpieces, after putting in place, reciprocating drive mechanism stretches out before driving reciprocal axis, interior fixture is made to arrive the edge of the front end face of cylinder, then interior fixture starts action, the end face of the clamp A described in when described clamp forms outer support effect pushes up mutually with the end face of clamp B, thus clamp A and clamp B surrounds a circle, outer support effect is formed to cylinder with the contact internal walls of cylinder end.After welding, nut driving mechanism A first action, drives nut A to rotate, thus drives screw mandrel A to retreat, and the final clamp A that drives retreats; Back nut driving mechanism B action, drive nut B to rotate, thus drive screw mandrel B to retreat, the final clamp B that drives retreats, and then reciprocating drive mechanism drives and back and forth axially retreats.When needs carry out outer support at this to cylinder, nut driving mechanism B first action, drives nut B to rotate, thus drives screw mandrel B to push ahead, and the final clamp B that drives pushes ahead; Then nut driving mechanism A action, drives nut A to rotate, thus drives screw mandrel A to push ahead, and the final clamp A that drives pushes ahead, and the end face of final clamp A pushes up mutually with the end face of clamp B, thus clamp A and clamp B surrounds a circle.
The two ends, end of aircraft fuel storage barrel are hemispherical, when welding these parts, need hemisphere portion to fill in support, now need first interior fixture to be pulled down from reciprocal axle, first hemisphere portion is filled in support and then by interior fixture and reinstall on reciprocal axle.
Beneficial effect of the present invention is: structure is comparatively simple, easy to operate, only needs operating nut driving mechanism A and nut driving mechanism B.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the front view of interior fixture.
Fig. 3 is the sectional view of interior fixture.
Fig. 4 is the structural representation of joint.
Fig. 5 is the structural representation of aircraft fuel storage barrel.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, the interior fixture assembly of friction stir weld device of aircraft fuel storage barrel (especially rocket fuel storage barrel), comprise workbench 15, described workbench 15 is provided with slide unit 16, and described slide unit 16 is connected with the slide unit driving mechanism for driving it to slide.Slide unit driving mechanism can adopt the parts such as hydraulic cylinder, cylinder, is used for driving slide unit to slide,
Described slide unit is provided with erecting bed 17, the front end face of described erecting bed 17 is provided with support 18, described support 18 has circular pushing out ring 19, also comprise the fixture 20 being positioned at described support 18 front, described interior fixture 20 comprises installing rack 1, described installing rack 1 and a reciprocal axle 21 removably connect, installing rack 1 and a reciprocal axle 21 removably connect mode also for being threaded, key is connected.
This reciprocal axle 21 is parallel with the glide direction of described slide unit 16, and described reciprocal axle 21 is connected with a reciprocating drive mechanism, and described reciprocal axle 21 penetrates in described support 18 and erecting bed 17 backward.Reciprocating drive mechanism can adopt cylinder, and this reciprocating drive mechanism can be arranged on slide unit, and reciprocal axle 21 is connected with it through after erecting bed again.
Comprise installing rack 1, described installing rack 1 periphery is wound with a circle clamp, described clamp comprises some pieces of clamp A2 and some pieces of clamp B3, the quantity of clamp A2 is equal with the quantity of clamp B3, described clamp A2 and clamp B3 is alternately distributed, the inclined plane B of the both ends of the surface of clamp A2 to be the both ends of the surface of identical outward-dipping inclined plane A, clamp B3 be identical intilted with described inclined plane A adaptation, namely inclined plane A and inclined plane B can involutoryly be adjacent to.
Described clamp A2 is connected with screw mandrel A4, described clamp B3 is connected with screw mandrel B5, on described screw mandrel A4, cover has nut A6, on described screw mandrel B5, cover has nut B7, described nut A6 is connected with the nut driving mechanism A for driving it to rotate, described nut B7 is connected with the nut driving mechanism B for driving it to rotate, described nut driving mechanism A and nut driving mechanism B is all fixed on described installing rack 1, thus described nut A6 can drive described screw mandrel A4 to prolong it when rotating moves axially, described nut B8 can drive described screw mandrel B5 to prolong it when rotating and move axially.
The end face of the clamp A2 described in when described clamp forms outer support effect pushes up mutually with the end face of clamp B3, thus clamp A2 and clamp B3 surrounds a circle.
First be enclosed within by cylinder on support 18, the diameter of pushing out ring 18 is suitable with the diameter of cylinder 22, and therefore cylinder 22 can be supported on support.Then slide unit driving mechanism drives slide unit 16 to be sent forward by cylindrical workpieces, after putting in place, reciprocating drive mechanism drives reciprocal axle 21 to stretch out forward, interior fixture 20 is made to arrive the edge of the front end face of cylinder, then interior fixture 20 starts action, the end face of the clamp A2 described in when described clamp forms outer support effect pushes up mutually with the end face of clamp B3, thus clamp A2 and clamp B3 surrounds a circle, outer support effect is formed to cylinder with the contact internal walls of cylinder.After welding, nut driving mechanism A first action, drives nut A6 to rotate, thus drives screw mandrel A4 to retreat, and the final clamp A2 that drives retreats; Back nut driving mechanism B action, drive nut B7 to rotate, thus drive screw mandrel B5 to retreat, the final clamp B3 that drives retreats.When needs carry out outer support at this to cylinder, nut driving mechanism B first action, drives nut B7 to rotate, thus drives screw mandrel B5 to push ahead, and the final clamp B3 that drives pushes ahead; Then nut driving mechanism A action, drive nut A6 to rotate, thus drive screw mandrel A4 to push ahead, the final clamp A2 that drives pushes ahead, the end face of final clamp A2 pushes up mutually with the end face of clamp B3, thus clamp A2 and clamp B3 surrounds a circle.
The two ends, end 23 of aircraft fuel storage barrel are in hemispherical, when welding these parts, need hemisphere portion to be filled in support 18, now need first interior fixture 20 to be pulled down from reciprocal axle 21, first hemisphere portion is filled in support 18 and then interior fixture is reinstalled on reciprocal axle 21.
In the present embodiment, described nut driving mechanism A and nut driving mechanism B is servomotor 8.The output shaft of described servomotor 8 is provided with driving pulley, and described nut A6, nut B7 are provided with driven pulley, are connected between described driving pulley and driven pulley by Timing Belt 9.That is, servomotor is rotated by tape handler drive nut A6, nut B7.
In the present embodiment, described servomotor 8 is removably mounted on described installing rack 1, specifically can arrange motor flange on installing rack, servomotor also arranges ring flange, Flange joint between servomotor and installing rack.Certainly also can fastening screw be directly adopted to connect.Described installing rack is spliced by some pieces points of framves, screw can be adopted to be connected, also can adopt keyway connection etc. between point frame with point frame.
In the present embodiment, the afterbody of described screw mandrel A4 and screw mandrel B5 is provided with positioning screw cap 10, prevents getting loose of screw mandrel A4 and screw mandrel B5.
In the present embodiment, the front end of described screw mandrel A4 and the front end of screw mandrel B5 are all removably connected with connector, described clamp A2 is removably connected by connector and described screw mandrel A4, described clamp B3 is removably connected by connector and described screw mandrel B5, in the present embodiment, this kind mode of removably connecting is: described screw mandrel A4 and the front end of screw mandrel B5 are provided with ring flange, described ring flange is connected with by flange bolt and connects pawl 11, described clamp A2 and the medial surface of clamp B3 are provided with interlayer 12, described connection pawl 11 stretches into after in described interlayer 12 by fishbolt and clamp A2, clamp B3 fixes.
The above-mentioned various meaning removably connected is: the two ends 23 of aircraft fuel storage barrel present hemispherical, close to closing, only leave hole at two, above-mentioned servomotor 8 detachably gets off, installing rack 1 is also detachable to come, screw mandrel A4 and clamp A2 detachably comes, screw mandrel B5 and clamp B3 detachably comes, the connection pawl 11 of screw mandrel A4 and screw mandrel B5 and its front end detachably comes, after backing out positioning screw cap 10, screw mandrel A4 can screw out from nut A6, screw mandrel B5 can screw out from nut B7, all parts all can split into smallclothes, can send from the hole at the two ends of aircraft fuel storage barrel.
In the present embodiment, the two ends of described clamp B3 are provided with joint, described joint comprises panel 13, described panel 13 is fixed on the two ends of described clamp B3 by holding screw, described panel 13 is provided with protruding convex key 14, described panel 13 forms described inclined plane B, and the lateral surface of described convex key 14 is parallel with described inclined plane B; The both ends of the surface of described clamp A2 are provided with slot, and the bottom surface of described slot is parallel with described inclined plane A, and described convex key 14 can insert in described slot.When the end face of clamp A2 pushes up mutually with the end face of clamp B3, convex key 14 inserts in slot.Adopt said structure to make to have guide effect between convex key and slot, slide more stable.
Or joint also can be located at the two ends of clamp A, there is same technique effect: the two ends of described clamp A are provided with joint, described joint comprises panel, described panel is fixed on the two ends of described clamp A by holding screw, described panel is provided with protruding convex key, described panel forms described inclined plane A, and the lateral surface of described convex key is parallel with described inclined plane A; The both ends of the surface of described clamp B are provided with slot, and the bottom surface of described slot is parallel with described inclined plane B, and described convex key can insert in described slot.
Claims (10)
1. the interior fixture assembly of friction stir weld device of aircraft fuel storage barrel, comprise workbench, described workbench is provided with slide unit, described slide unit is connected with the slide unit driving mechanism for driving it to slide, described slide unit is provided with erecting bed, the front end face of described erecting bed is provided with support, described support has circular pushing out ring, it is characterized in that: also comprise the fixture being positioned at described support front, described interior fixture comprises installing rack, described installing rack and a reciprocal axle removably connect, this reciprocal axle is parallel with the glide direction of described slide unit, described reciprocal axle is connected with a reciprocating drive mechanism, penetrate after described reciprocal axis in described support and erecting bed,
Described installing rack periphery is wound with a circle clamp, described clamp comprises some pieces of clamp A and some pieces of clamp B, the quantity of clamp A is equal with the quantity of clamp B, described clamp A and clamp B is alternately distributed, the inclined plane B of the both ends of the surface of clamp A to be the both ends of the surface of identical outward-dipping inclined plane A, clamp B be identical intilted with described inclined plane A adaptation;
Described clamp A is connected with screw mandrel A, described clamp B is connected with screw mandrel B, on described screw mandrel A, cover has nut A, on described screw mandrel B, cover has nut B, described nut A is connected with the nut driving mechanism A for driving it to rotate, described nut B is connected with the nut driving mechanism B for driving it to rotate, described nut driving mechanism A and nut driving mechanism B is all fixed on described installing rack, thus described nut A can drive described screw mandrel A to prolong it when rotating moves axially, described nut B can drive described screw mandrel B to prolong it when rotating and move axially,
The end face of the clamp A described in when described clamp forms outer support effect pushes up mutually with the end face of clamp B, thus clamp A and clamp B surrounds a circle.
2. the interior fixture assembly of friction stir weld device of aircraft fuel storage barrel as claimed in claim 1, is characterized in that: described nut driving mechanism A and nut driving mechanism B is servomotor.
3. the interior fixture assembly of friction stir weld device of aircraft fuel storage barrel as claimed in claim 2, is characterized in that: described servomotor is removably mounted on described installing rack.
4. the interior fixture assembly of friction stir weld device of aircraft fuel storage barrel as claimed in claim 3, it is characterized in that: the output shaft of described servomotor is provided with driving pulley, described nut A, nut B are provided with driven pulley, are connected between described driving pulley and driven pulley by Timing Belt.
5. the interior fixture assembly of friction stir weld device of aircraft fuel storage barrel as claimed in claim 4, is characterized in that: the afterbody of described screw mandrel A and screw mandrel B is provided with positioning screw cap.
6. the interior fixture assembly of friction stir weld device of aircraft fuel storage barrel as claimed in claim 4, it is characterized in that: the front end of described screw mandrel A and the front end of screw mandrel B are all removably connected with connector, described clamp A is removably connected by connector and described screw mandrel A, and described clamp B is removably connected by connector and described screw mandrel B.
7. the interior fixture assembly of friction stir weld device of aircraft fuel storage barrel as claimed in claim 6, it is characterized in that: described screw mandrel A and the front end of screw mandrel B are provided with ring flange, described ring flange is connected with connection pawl by flange bolt, described clamp A and the medial surface of clamp B are provided with interlayer, and described connection pawl is stretched into after in described interlayer and fixed by fishbolt and clamp A, clamp B.
8. the interior fixture assembly of friction stir weld device of aircraft fuel storage barrel as claimed in claim 4, is characterized in that: described installing rack is spliced by some points of framves.
9. the interior fixture assembly of friction stir weld device of the aircraft fuel storage barrel as described in one of claim 1 ~ 8, it is characterized in that: the two ends of described clamp B are provided with joint, described joint comprises panel, described panel is fixed on the two ends of described clamp B by holding screw, described panel is provided with protruding convex key, described panel forms described inclined plane B, and the lateral surface of described convex key is parallel with described inclined plane B;
The both ends of the surface of described clamp A are provided with slot, and the bottom surface of described slot is parallel with described inclined plane A, and described convex key can insert in described slot.
10. the interior fixture assembly of friction stir weld device of the aircraft fuel storage barrel as described in one of claim 1 ~ 8, it is characterized in that: the two ends of described clamp A are provided with joint, described joint comprises panel, described panel is fixed on the two ends of described clamp A by holding screw, described panel is provided with protruding convex key, described panel forms described inclined plane A, and the lateral surface of described convex key is parallel with described inclined plane A;
The both ends of the surface of described clamp B are provided with slot, and the bottom surface of described slot is parallel with described inclined plane B, and described convex key can insert in described slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510491712.2A CN105057878A (en) | 2015-08-12 | 2015-08-12 | Internal clamping fixture assembly for friction stir welding device for aircraft fuel storage barrels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510491712.2A CN105057878A (en) | 2015-08-12 | 2015-08-12 | Internal clamping fixture assembly for friction stir welding device for aircraft fuel storage barrels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105057878A true CN105057878A (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510491712.2A Pending CN105057878A (en) | 2015-08-12 | 2015-08-12 | Internal clamping fixture assembly for friction stir welding device for aircraft fuel storage barrels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105057878A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1454621A1 (en) * | 1987-10-15 | 1989-01-30 | Брянский Институт Транспортного Машиностроения | Head for two-electrode welding |
| CS271048B1 (en) * | 1988-12-21 | 1990-08-14 | Kollrossova Vera | Device for large circles unfasting |
| CN202240349U (en) * | 2011-09-21 | 2012-05-30 | 无锡市创新化工设备有限公司 | Barrel assembly fixture |
| CN202592044U (en) * | 2012-05-18 | 2012-12-12 | 上海拓璞数控科技有限公司 | Flexible clamping system of large tubular components |
| CN103706990A (en) * | 2013-12-30 | 2014-04-09 | 大连理工大学 | Positioning and supporting device for large thin-walled box body annular seam stirring friction welding |
| CN104191084A (en) * | 2014-07-04 | 2014-12-10 | 上海拓璞数控科技有限公司 | Overall circumferential weld friction-stir welding device and welding method of large-scale storage box |
| CN204075504U (en) * | 2014-07-04 | 2015-01-07 | 上海拓璞数控科技有限公司 | A kind of detachable inner supporting device of lightweight for large-scale cylinder section component docking |
| CN204075567U (en) * | 2014-07-04 | 2015-01-07 | 上海拓璞数控科技有限公司 | A kind of inner flexible bracing or strutting arrangement for large-scale cylinder section component docking |
| CN104646908A (en) * | 2015-02-06 | 2015-05-27 | 中国运载火箭技术研究院 | Inner supporting device for sealing girth of 5M-grade storage tank |
| CN204867801U (en) * | 2015-08-12 | 2015-12-16 | 宁波金凤焊割机械制造有限公司 | Interior fixture assembly is used to airborne vehicle fuel storage tube's friction stir welding device |
-
2015
- 2015-08-12 CN CN201510491712.2A patent/CN105057878A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1454621A1 (en) * | 1987-10-15 | 1989-01-30 | Брянский Институт Транспортного Машиностроения | Head for two-electrode welding |
| CS271048B1 (en) * | 1988-12-21 | 1990-08-14 | Kollrossova Vera | Device for large circles unfasting |
| CN202240349U (en) * | 2011-09-21 | 2012-05-30 | 无锡市创新化工设备有限公司 | Barrel assembly fixture |
| CN202592044U (en) * | 2012-05-18 | 2012-12-12 | 上海拓璞数控科技有限公司 | Flexible clamping system of large tubular components |
| CN103706990A (en) * | 2013-12-30 | 2014-04-09 | 大连理工大学 | Positioning and supporting device for large thin-walled box body annular seam stirring friction welding |
| CN104191084A (en) * | 2014-07-04 | 2014-12-10 | 上海拓璞数控科技有限公司 | Overall circumferential weld friction-stir welding device and welding method of large-scale storage box |
| CN204075504U (en) * | 2014-07-04 | 2015-01-07 | 上海拓璞数控科技有限公司 | A kind of detachable inner supporting device of lightweight for large-scale cylinder section component docking |
| CN204075567U (en) * | 2014-07-04 | 2015-01-07 | 上海拓璞数控科技有限公司 | A kind of inner flexible bracing or strutting arrangement for large-scale cylinder section component docking |
| CN104646908A (en) * | 2015-02-06 | 2015-05-27 | 中国运载火箭技术研究院 | Inner supporting device for sealing girth of 5M-grade storage tank |
| CN204867801U (en) * | 2015-08-12 | 2015-12-16 | 宁波金凤焊割机械制造有限公司 | Interior fixture assembly is used to airborne vehicle fuel storage tube's friction stir welding device |
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Application publication date: 20151118 |
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