CN106271320B - A kind of positioning welding and means for correcting of cooling turbine unit ventilator hood - Google Patents
A kind of positioning welding and means for correcting of cooling turbine unit ventilator hood Download PDFInfo
- Publication number
- CN106271320B CN106271320B CN201610779092.7A CN201610779092A CN106271320B CN 106271320 B CN106271320 B CN 106271320B CN 201610779092 A CN201610779092 A CN 201610779092A CN 106271320 B CN106271320 B CN 106271320B
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- CN
- China
- Prior art keywords
- shade assembly
- rotating seat
- locating shaft
- faces
- disk
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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
- 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
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of positioning welding and means for correcting of cooling turbine unit ventilator hood, including bottom plate, the supporting plate perpendicular with it is connected with bottom plate, through hole is provided with the top of supporting plate, rotating seat is fitted with through hole, rotating seat bottom is fixed by bolt and block, rotating seat top is provided with hollow locating shaft, outside is provided with circular pressing plate in the middle part of rotating seat, rotating seat outer wall is socketed with disk, disk offsets with pressing plate bottom face and fixed by flat head screw, and disk circumference is provided with support plate, and support plate both sides are connected with backing pin.The device has used the principle that concentric two cylindrical surface positions, and has good science, feasibility, practicality；And the device makes half shade assembly accurate positioning of left and right, axiality, the perpendicularity of endoporus after welding are effectively improved, improves quality of finished；While the apparatus structure is simple, simple operation, the requirement to operator reduces, and then improves production efficiency.
Description
Technical field
The present invention relates to a kind of aircraft cockpit environmental control system refrigeration annex cooling turbine unit ventilator hood tack welding and
Means for correcting, belong to erection welding frock technical field, and in particular to a kind of positioning welding of cooling turbine unit ventilator hood and
Means for correcting.
Background technology
Certain type cooling turbine unit is the refrigeration annex of certain aircraft cockpit environmental control system, and ventilator hood is such as in the cooling turbine unit
Shown in Fig. 1-2, main ventilator joint 1, right half cover 2, connecting seat 3, left half cover 4, ventilator air inlet pipe 5 form, and its material is
Aluminium alloy.After ensureing that A, B face are machined, A faces are not more than 0.04, and the symmetry of wall thickness with respect to the beating degree in B faces
No more than 1mm, so the axiality requirement to A, B face is not more than 1mm.C faces are mounting plane, require C faces and A, B face axis again
Perpendicularity portion be more than 0.4mm.Above-mentioned status requirement be part by combination after, calculated from maximum theoretical, be
It is regular, it is actually really not so, after erection welding, additionally depend on during each component assembly tack welding erection stress and
Irregular deformation caused by Welded stress.
The status requirement in ventilator hood (hereinafter referred to as ventilator hood) A, B faces is in ventilator hood in certain type cooling turbine unit
Inner chamber, when assembling tack welding, only it is difficult to ensure that its concentricity, perpendicularity requirement by conventional assembling tack welding.Actual behaviour
In work, be first by ventilator joint 1, right half cover 2, the Combination Welding of connecting seat 3 be a component (referred to as right half shade assembly) (Fig. 3-
4), left half cover 4 and the Combination Welding of ventilator air inlet pipe 5 are a component (referred to as left half shade assembly) (Fig. 5-6), then left and right half is covered
Component Combination Welding is ventilator hood, be positioned such that A, B face of the shade assembly of left and right half being welded into it is respective partly cover it is cylindrical not
With one heart, being both needed to correction could weld together the shade assembly of left and right half as ventilator hood.This trimming process needs very strong experience,
Otherwise, or easily damage left and right is partly covered cylindrical in trimming process, product appearance is influenceed, or correction is not in place, postwelding ensures
The not axiality 1mm requirements in A, B face, after machined, ventilator joint 1, the wall thickness symmetry of connecting seat 3 are more than 1mm,
Such ventilator hood, either does experiment on vibration mechine, or dress is aboard, all easily resonates, and
There is the possibility for causing experiment or aircraft flight failure.
The content of the invention
In order to solve the above problems, the present invention is intended to provide a kind of positioning welding of cooling turbine unit ventilator hood and correction
Device, to ensure A, B face axiality and C faces and the perpendicularity requirement of A, B face axis after the half shade assembly welding of left and right.
The present invention is achieved by following technical solution：
A kind of positioning welding and means for correcting of cooling turbine unit ventilator hood, including bottom plate, be connected with bottom plate and its
Perpendicular supporting plate, supporting plate top are provided with through hole, rotating seat are fitted with through hole, rotating seat bottom passes through bolt and block
Fixed, the rotating seat top is provided with hollow locating shaft, and outside is provided with circular pressing plate, rotating seat outer wall set in the middle part of rotating seat
Disk is connected to, disk offsets with pressing plate bottom face and fixed by flat head screw, and disk circumference is provided with support plate, and support plate both sides are equal
It is connected with backing pin.
Segmentation outer wall in the rotating seat insertion supporting plate is socketed with bushing.
Plain washer is provided between the disk and supporting plate.
Angle between the support plate center line and horizontal line is 45 °.
The pressing plate is provided with two latches.
The quantity of the flat head screw is 3-4.
Circular hole is provided with the support plate.
The beneficial effects of the invention are as follows：
Compared with prior art, the positioning welding of cooling turbine unit ventilator hood provided by the invention and means for correcting have
Advantages below：
1st, the device has used the principle that concentric two cylindrical surface positions, and has good science, feasibility, practicality
Property；
2nd, the device makes half shade assembly accurate positioning of left and right, greatly reduces the requirement to operator's experience, effectively carries
Axiality, the perpendicularity of endoporus, improve quality of finished after height welding；
3rd, the apparatus structure is simple, simple operation, and the requirement to operator reduces, and then improves production efficiency.
Brief description of the drawings
Fig. 1 is ventilator hood welding structure schematic diagram in cooling turbine unit；
Fig. 2 is Fig. 1 A-A sectional views；
Half shade assembly structure chart of the ventilator hood right side in Fig. 3 cooling turbine units；
Fig. 4 is Fig. 3 A-A sectional views；
Half shade assembly structure chart of a ventilator hood left side in Fig. 5 cooling turbine units；
Fig. 6 is Fig. 5 A-A sectional views；
The structural representation of Fig. 7 tack weldings, means for correcting；
Fig. 8 is Fig. 7 A-A sectional views；
Assembling positioning schematic diagram of half shade assembly of Fig. 9 right sides on tack welding, means for correcting；
Figure 10 is Fig. 9 A-A sectional views；
Assembling positioning schematic diagram of right left half shade assemblies of Figure 11 on tack welding, means for correcting
Figure 12 is Figure 11 A-A sectional views；
In figure：1- ventilator joints, 2- right half cover, and 3- connecting seats, 4- left half covers, 5- air inlet pipe, 6- bottom plates, 7- screws,
8- supporting plates, 9- backing pins, 10- latches, 11- bolts, 12- blocks, 13- bushings, 14- plain washers, 15- disks, 16- tack spiral shells
Nail, 17- locating shafts, 18- support plates, 19- circular holes, 20- pressing plates, 21- rotating seats.
Embodiment
Technical scheme is described further below in conjunction with drawings and Examples, but required protection domain
It is not limited to described；
As Figure 7-8, the positioning welding and means for correcting of cooling turbine unit ventilator hood provided by the invention, including bottom
Plate 6, the supporting plate 8 perpendicular with it is connected with bottom plate 6, and the top of supporting plate 8 is provided with through hole, rotating seat is fitted with through hole
21, the bottom of rotating seat 21 is fixed by bolt 11 and block 12, and the top of rotating seat 21 is provided with hollow locating shaft 17, rotation
The middle part of seat 21 outside is provided with circular pressing plate 20, and the outer wall of rotating seat 21 is socketed with disk 15, disk 15 and the bottom face phase of pressing plate 20
Support and fixed by flat head screw 16, the circumference of disk 15 is provided with support plate 18, and the both sides of support plate 18 are connected with backing pin 9.
The segmentation outer wall that the rotating seat 21 is inserted in supporting plate 8 is socketed with bushing 13, and bushing 13 can reduce rubbing for rotation
Wipe power.
Plain washer 14 is provided between the disk 15 and supporting plate 8, the plain washer 14 can play a part of supporting disk 15.
Cooling turbine unit ventilator hood to be mounted, the angle between the center line of support plate 18 and horizontal line are needed in order to match
For 45 °.
For the ease of positioning, the pressing plate 20 is provided with two latches 10.
In order to ensure the steadiness of connection, the quantity of the flat head screw 16 is 3-4.
Circular hole is provided with the support plate 18, material cost is reduced while reducing weight.
Embodiment：
Ventilator joint 1, right half cover 2, the assembly welding of connecting seat 3 are covered for right half as shown in Figure 3-4 by technological requirement
Component；The 4, assembly welding of ventilator air inlet pipe 5 is covered for the shade assembly of a left side half as seen in figs. 5-6 by left half by technological requirement；
Assembling：According to 9-10 by right half shade assembly loaded on the list on locating shaft 17, ensureing right half shade assembly and locating shaft 17
Side gap is not more than 0.27mm, and the upper plane of disk 15 is close in right half shade assembly C faces, and backing pin 9 is close in right half shade assembly D faces, about
Half shade assembly of the beam right side does not rotate around locating shaft 17.It is according to Figure 11-12 that left half shade assembly is left loaded on locating shaft 17, ensureing
The unilateral gap of half shade assembly endoporus and locating shaft 17 is not more than 0.23mm, and left half shade assembly lower end N faces are close to right half (see Fig. 6)
Backing pin 9 is close in the upper end M faces (see Fig. 4) of shade assembly, left half shade assembly E faces, constrains left half shade assembly and is not rotated around locating shaft 17
.
Correction and pad localization：Ensure that half shade assembly endoporus of left and right is concentric with locating shaft 17, rotating circular disc 15, drive simultaneously
Locating shaft 17 rotates together with the shade assembly of left and right half, and whether half shade assembly is cylindrical misplace for observation left and right, at correction dislocation, along week
While correction, while with pad localization, ensures that left and right the cylindrical of half shade assembly does not misplace.
Welding：Rotating circular disc 15, while drive locating shaft 17 to be rotated together with the shade assembly of left and right half, weld left half shade assembly
Lower end N faces (see Fig. 6) are with upper end M faces (see Fig. 4) contact position of right half shade assembly to welding line (Fig. 2).
Correction：With reference to platform, correct ventilator hood C faces (Fig. 2), the upper plane of guarantee ventilator hood C faces and disk 15 is not
Gap more than 0.4mm.
By the implementation of above-mentioned steps, it is a kind of simple, economical, practicable fixed to be provided for similar ventilator hood processing
Position weldering, means for correcting, it need to only pass through and simply introduce, operator just can grasp its hints on operation, and it is handy to accomplish, and energy
Ensure workpiece quality.
Claims (1)
1. a kind of positioning welding and means for correcting of cooling turbine unit ventilator hood, it is characterised in that：Including bottom plate (6), bottom plate
(6) supporting plate perpendicular with it (8) is connected with, through hole is provided with the top of supporting plate (8), rotating seat is fitted with through hole
(21), rotating seat (21) bottom is fixed by bolt (11) and block (12), and rotating seat (21) top is determined provided with hollow
Position axle (17), rotating seat (21) middle part outside are provided with circular pressing plate (20), and rotating seat (21) outer wall is socketed with disk (15), circle
Disk (15) offsets with pressing plate (20) bottom face and fixed by flat head screw (16), and disk (15) circumference is provided with support plate (18),
Support plate (18) both sides are connected with backing pin (9)；
Segmentation outer wall in rotating seat (21) the insertion supporting plate (8) is socketed with bushing (13)；
Plain washer (14) is provided between the disk (15) and supporting plate (8)；
Angle of the support plate (18) between center line and horizontal line is 45 °；
The pressing plate (20) is provided with two latches (10)；
The quantity of the flat head screw (16) is 3-4；
Circular hole is provided with the support plate (18)；
The positioning welding of the cooling turbine unit ventilator hood and the application method of means for correcting are specifically divided into following steps：
Assembling：By right half shade assembly loaded on locating shaft (17), the unilateral gap of right half shade assembly of guarantee and locating shaft (17) is not
More than 0.27mm, the upper plane of disk (15) is close in right half shade assembly C faces, and backing pin (9) is close in right half shade assembly D faces, and constraint is right
Half shade assembly does not rotate around locating shaft (17)；Left half shade assembly is loaded on locating shaft (17), ensured in left half shade assembly
Hole and the unilateral gap of locating shaft (17) are not more than 0.23mm, and the upper end M of right half shade assembly is close in left half shade assembly lower end N faces
Backing pin (9) is close in face, left half shade assembly E faces, constrains left half shade assembly and is not rotated around locating shaft (17)；
Correction and pad localization：Ensure that half shade assembly endoporus of left and right is concentric with locating shaft (17), rotating circular disc (15), drive simultaneously
Locating shaft (17) rotates together with the shade assembly of left and right half, and whether half shade assembly is cylindrical misplace for observation left and right, at correction dislocation, edge
Week while correction, while with pad localization, ensures that left and right the cylindrical of half shade assembly does not misplace；
Welding：Rotating circular disc (15), while drive locating shaft (17) to be rotated together with the shade assembly of left and right half, weld left half shade assembly
Lower end N faces are with the upper end M faces contact position of right half shade assembly to welding line；
Correction：With reference to platform, correction ventilator hood C faces, ensure that ventilator hood C faces and the upper plane of disk (15) are not more than
0.4mm gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610779092.7A CN106271320B (en) | 2016-08-31 | 2016-08-31 | A kind of positioning welding and means for correcting of cooling turbine unit ventilator hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610779092.7A CN106271320B (en) | 2016-08-31 | 2016-08-31 | A kind of positioning welding and means for correcting of cooling turbine unit ventilator hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106271320A CN106271320A (en) | 2017-01-04 |
| CN106271320B true CN106271320B (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610779092.7A Active CN106271320B (en) | 2016-08-31 | 2016-08-31 | A kind of positioning welding and means for correcting of cooling turbine unit ventilator hood |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000038A (en) * | 2017-12-21 | 2018-05-08 | 天津市凯达重型水电设备制造有限公司 | Power station water-supply-pipe processing tool |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6257479B1 (en) * | 1999-12-07 | 2001-07-10 | The Boeing Company | Tooling and methods for circumferential friction stir welding |
| CN204171616U (en) * | 2014-10-27 | 2015-02-25 | 南昌江铃华翔汽车零部件有限公司 | A kind of dual rotation type metal box seal welding device |
| CN104785929A (en) * | 2015-03-25 | 2015-07-22 | 江苏理工学院 | Tubular part optical fiber laser butt welding clamping device |
| CN104959771A (en) * | 2015-06-30 | 2015-10-07 | 广船国际有限公司 | Sleeve assembling fixing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI551388B (en) * | 2013-06-05 | 2016-10-01 | 國立屏東科技大學 | An inner sleeve for tube welding |
-
2016
- 2016-08-31 CN CN201610779092.7A patent/CN106271320B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6257479B1 (en) * | 1999-12-07 | 2001-07-10 | The Boeing Company | Tooling and methods for circumferential friction stir welding |
| CN204171616U (en) * | 2014-10-27 | 2015-02-25 | 南昌江铃华翔汽车零部件有限公司 | A kind of dual rotation type metal box seal welding device |
| CN104785929A (en) * | 2015-03-25 | 2015-07-22 | 江苏理工学院 | Tubular part optical fiber laser butt welding clamping device |
| CN104959771A (en) * | 2015-06-30 | 2015-10-07 | 广船国际有限公司 | Sleeve assembling fixing device |
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| Publication number | Publication date |
|---|---|
| CN106271320A (en) | 2017-01-04 |
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