CN109128651A - A kind of engine by-pass air duct casing welder, welding method - Google Patents
A kind of engine by-pass air duct casing welder, welding method Download PDFInfo
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- CN109128651A CN109128651A CN201811185286.XA CN201811185286A CN109128651A CN 109128651 A CN109128651 A CN 109128651A CN 201811185286 A CN201811185286 A CN 201811185286A CN 109128651 A CN109128651 A CN 109128651A
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- voussoir
- lower layer
- block
- engine
- air duct
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The present invention provides a kind of engine by-pass air duct casing welder and welding methods.Described device includes pedestal, upper layer pressure ring, middle layer tensioner ring, support plate, lower layer's tensioner ring, telecontrol equipment.The present invention guarantees the concentricity of workpiece entirety to be welded using dividing the structure of valve swelling to reduce welding deformation.Valve expanding structure is divided mainly to be made of voussoir, support plate, active block, Slave Block etc..During swelling, voussoir is moved downward, and moves out active block, while driving Slave Block, until fitting closely with part.
Description
Technical field
The invention belongs to engine apparatus tooling technical field more particularly to a kind of engine by-pass air duct casing welding dresses
It sets, welding method.
Background technique
Engine by-pass air duct casing first segment (as shown in Figure 1) is made of 2 installation sides and 1 cylinder.First will when trial-production
Installation side 2 and cylinder big end weld (weld seam 2), then weld installation side 1 (weld seam 1), but due to titanium alloy thin-wall part
Welding deformation is big, and there are problems that secondary clamping, is unable to satisfy installation in 1 and when installation 2 concentricity requirement.It is seen after welding
Reverse side weld seam is examined, discovery weld seam protection is very poor, is not able to satisfy the requirement of welding technology condition.
Usually divide valve expansion block to remove part in order to reduce, expansion block it is swollen to working position when expansion block between be to have gap
, the loss of gap location protective gas causes back of weld protecting effect poor.
If a kind of technical solution can be provided, solve the above problems, will be very significant.
Summary of the invention
In order to achieve the above objectives, the present invention provides a kind of engine by-pass air duct casing welders, including pedestal, upper layer
Pressure ring, middle layer tensioner ring, support plate, lower layer's tensioner ring, telecontrol equipment.
Upper layer pressure ring, middle layer tensioner ring, support plate, lower layer's tensioner ring, pedestal are followed successively by vertically from top to bottom；It is described
Telecontrol equipment includes hollow drum, screw rod, connecting shaft, nut, a hollow cylinder.The upper layer pressure ring is annular in shape, around sky
The setting of heart rotating cylinder；Several screw holes, the gap that several long spiro nails pass through screw hole, pass through middle layer tensioner ring are provided on the upper layer pressure ring
And on the limit hole for protruding into and being fixed on the base behind the gap of lower layer's tensioner ring.
Heart position in the base is arranged in the hollow cylinder, and the barrel of hollow cylinder two sides, which is provided with, vertically to be opened up
Side channel, snap-gauge can move in the vertical direction in side channel；Hollow cylinder is fixedly arranged above connecting shaft, the connecting shaft and sky
Heart cylinder is coaxial；The inner surface of connecting shaft, outer surface are provided with screw thread；Hollow drum is arranged above connecting shaft, and hollow turn
Cylinder two sides are provided with handrail, and hollow drum lower end is fixed with a link block, and the link block and nut outer surfaces are fixed on one
It rises, nut inner surface then cooperates with connecting shaft outer surface thread；The screw rod is sunk in hollow drum, and passes through connecting shaft, and
End is protruded into hollow cylinder；The outer surface of screw rod is threadedly engaged with connecting shaft inner surface, and end is provided with an I-shaped card
Part, and I-shaped fastener both sides are blocked respectively a snap-gauge；The side channel for the side stretching hollow cylinder that snap-gauge is not stuck, and with
Lower layer's voussoir is fixed together.
Lower layer's tensioner ring is located on pedestal, including be set in outside hollow cylinder lower layer's voussoir, against lower layer's voussoir and uniformly
Be distributed in several first active blocks of lower layer's voussoir periphery, and be provided between the first active block of every two one it is first driven
Block；First active block includes First Transition portion and the first curved portion, and First Transition portion one end is contacted with lower layer's voussoir,
The other end connects the first curved portion, and two sides of first curved portion coincide with the side of adjacent first Slave Block to be contacted,
And two sides of each first active block are towards the symmetrical axis direction inclination of the first curved portion；Each first active block and pedestal are logical
Spring connection is crossed, can be moved along the radius extended line of lower layer's voussoir；First Slave Block is connected on pedestal by spring,
It can be along moving outward under the contact squeeze of two neighboring first active block；Each first Slave Block, the first active block
The arc side of the first curved portion there is the same center of circle, and the arc side of each first curved portion can surround a circle；The lower layer
Voussoir and the contact surface of the first active block are inclined-plane；On direction from top to bottom, lower layer's voussoir outer diameter is gradually reduced；First
Then comply with the inclination of lower layer's voussoir outer diameter variation tendency in the face of active block contact lower layer's voussoir.
Support plate above lower layer's tensioner ring, is fixed together along horizontally arranged with connecting shaft；Middle layer tensioner ring is located at
In support plate, including be set in outside hollow cylinder upper layer voussoir, against upper layer voussoir it is equally distributed several second actively
Block, and second Slave Block is provided between the second active block of every two；Second active block include the second transition part and
Second curved portion, second transition part one end are contacted with upper layer voussoir, and the other end connects the second curved portion, second arc
Two sides in portion coincide with the side of two neighboring second Slave Block to be contacted, and two equal courts in side of each second active block
The symmetrical axis direction inclination of second curved portion；Each second active block support plate is connected by spring, and can be along upper layer voussoir
Radius extended line movement；Second Slave Block is connect with support plate by spring, with adjacent second active block contact friction force
Under the action of can be along moving outward；Each second Slave Block, the second active block the arc side of the second curved portion have
The same center of circle, and the arc side of each second curved portion can surround a circle；The contact of the upper layer voussoir and the second active block
Face is inclined-plane；On direction from top to bottom, upper layer voussoir outer diameter is gradually reduced；The face of second active block contact upper layer voussoir
Then comply with the inclination of upper layer voussoir outer diameter variation tendency.
Further, the nut outer lower portion is circumferentially provided with a groove, and upper layer voussoir top is provided with
One protrusion item coincideing with groove shapes, the prominent item snap onto groove, and nut is enabled to drive upper layer wedge when rotating
Block moves together.
Further, the boss that a ring is arranged around lower layer's tensioner ring is provided on the pedestal.
Further, the boss cross section is L-shaped.
Further, the outside the boss is provided with several rotating blocks, and the rotating block is movably fixed to bottom by screw
On seat, one end can turn to boss upper surface.
Further, tensioner ring top, lower layer's tensioner ring top are provided with cricoid appendix to described device in middle level, described defeated
Several gas nozzles are distributed on tracheae.
A kind of engine by-pass air duct casing welding method, the engine by-pass air duct casing include a cylinder and two peaces
Rim is included the following steps: using above-mentioned device
Step 1: the lower installation side of engine by-pass air duct machine lock to be welded being inserted in above device, is placed on boss, then
Cylinder is nested into above device in the surrounded region in lower installation side；
Step 2: according to the dimensional standard of engine by-pass air duct machine lock to be welded, the outer of middle layer tensioner ring and lower layer's tensioner ring is adjusted
Diameter size；
Step 3: the upper installation side of engine by-pass air duct machine lock to be welded is set to cylinder upper end above device；
Step 4: engine by-pass air duct machine lock to be welded is compressed in vertical direction with upper layer pressure ring；
Step 5: it is welded.
Further, in step 2, rotation hollow drum adjusts middle layer tensioner ring outer diameter size；It is swollen to rotate screw rod adjusting lower layer
Ring outer diameter size.
Further, in step 2, when needing middle layer tensioner ring outer diameter to become larger, then hollow drum is rotated, so that upper layer wedge
Block moves downward, on the contrary then upper layer voussoir is moved upwards；When needing lower layer's tensioner ring outer diameter to become larger, then screw rod is rotated, is made
It obtains lower layer's voussoir to move downward, moves upwards lower layer's voussoir.
Further, in step 4, cylinder also is resisted with rotating block.
The invention has the benefit that
One, good concentricity.The present invention guarantees the same of workpiece entirety to be welded using dividing the structure of valve swelling to reduce welding deformation
Heart degree.Valve expanding structure is divided mainly to be made of voussoir, support plate, active block, Slave Block etc..During swelling, voussoir is transported downwards
It is dynamic, move out active block, while driving Slave Block, until fitting closely with part.
In the present invention, nut and screw rod can exert oneself respectively, so middle layer tensioner ring and lower layer's tensioner ring divide valve expanding structure
Swelling can be distinguished.
Two, back of weld protecting effect uniformity.The present invention will divide valve expansion block to be changed to the knot that active block drives Slave Block
Structure mode is able to achieve gapless swelling part, reaches claimed effect.
Detailed description of the invention
Fig. 1 is engine by-pass air duct casing schematic diagram.
Fig. 2 is the topology view that the schematic diagram of engine by-pass air duct casing welding is carried out using the present invention.
Fig. 3 is the top view of lower layer's tensioner ring.
In figure: 1. handrails, 2. hollow drums, 3. screw rods, 4. upper layer pressure rings, 5. nuts, 6. connecting shafts, 7. link blocks, 8.
Upper layer voussoir, 9. lower layer's voussoirs, 10. first Slave Blocks, 11. first active blocks, 12. snap-gauges, 13. hollow cylinders, 14. long spiral shells
It follows closely, side, 16. cylinders, 17. lower installation sides, 18. rotating blocks, 19. support plates, 20. I-shaped fasteners, 21. pedestals is installed on 15..
Specific embodiment
Specific embodiment 1:
As shown in Fig. 2, the present invention includes pedestal 21, upper layer pressure ring 4, middle layer tensioner ring, support plate 19, lower layer's tensioner ring, movement
Device.
It is vertically followed successively by upper layer pressure ring 4, middle layer tensioner ring, support plate 19, lower layer's tensioner ring, pedestal 21 from top to bottom.
The effect of various pieces is:
The pedestal 21 is used to provide support to the present invention.
The upper layer pressure ring 4 is for applying downward pressure to engine by-pass air duct machine lock to be welded.
The middle layer tensioner ring and lower layer's tensioner ring are used to carry out moulding to engine by-pass air duct machine lock to be welded, to facilitate welding.
The telecontrol equipment is used to control the movement of middle layer tensioner ring and lower layer's tensioner ring on periphery direction, so as to
The corresponding part of weldering engine by-pass air duct machine lock, which can be modelled, reaches normal diameter.
Each part is illustrated below:
A. upper layer pressure ring 4
The upper layer pressure ring 4 is annular in shape, is arranged around hollow drum 2.Several screw holes are provided on the upper layer pressure ring 4,
Several long spiro nails 14 are protruded into behind the gap in screw hole, the gap and lower layer's tensioner ring of passing through middle layer tensioner ring and are fixed on pedestal 21
Limit hole on.Upper layer pressure ring 4 can follow closely body along long spiro nail 14 and move up and down, and make the position of pressure ring by fixture nut 5
It sets and is fixed up.
It should be noted that the gap in the gap of middle layer tensioner ring, lower layer's tensioner ring refers to its adjacent active block or adjacent Slave Block
Between gap.
B. telecontrol equipment
The telecontrol equipment includes a hollow drum 2, screw rod 3, connecting shaft 6, nut 5, hollow cylinder 13.
The hollow cylinder 13 is arranged in 21 center of pedestal, and the barrel of 13 two sides of hollow cylinder is provided with along Vertical Square
To the side channel opened up, aftermentioned snap-gauge 12 can move in the vertical direction in side channel.
Hollow cylinder 13 is fixedly arranged above connecting shaft 6, and the connecting shaft 6 and hollow cylinder 13 are coaxial.The interior table of connecting shaft 6
Face, outer surface are provided with screw thread.Hollow cylinder 13 plays a part of to support connecting shaft 6.
Hollow drum 2 is arranged above connecting shaft 6, and two sides are provided with handrail, apply rotatory force to it for operator.
2 lower end of hollow drum is fixed with a link block 7, and 7 inside of link block and the outer surface of a nut 5 are fixed together,
5 inner surface of nut then cooperates with 6 outer surface thread of connecting shaft.When hollow drum 2 is applied rotatory force, nut 5 is being connected
It is moved up and down under the drive of block 7 along connecting shaft 6, and then controls the expansion of middle layer tensioner ring, reduces.
The screw rod 3 is sunk in hollow drum 2, and passes through connecting shaft 6, and end is protruded into hollow cylinder 13.Screw rod 3
Outer surface is threadedly engaged with 6 inner surface of connecting shaft, and end is provided with an I-shaped fastener 20, and 20 both sides of I-shaped fastener point
Ka there be a snap-gauge 12, the side channel of hollow cylinder 13 is stretched out in side that snap-gauge 12 is not stuck, is fixed on one with lower layer voussoir 9
It rises.
C. pedestal 21 and lower layer's tensioner ring
Lower layer's tensioner ring is located on pedestal 21, as shown in figure 3, including the lower layer's voussoir 9 being set in outside hollow cylinder 13, abutting
Lower layer's voussoir 9 and several first active blocks 11 for being evenly distributed on 9 periphery of lower layer's voussoir, and the first active block of every two 11 it
Between be provided with first Slave Block 10；First active block 11 include First Transition portion and the first curved portion, described first
Transition part one end is contacted with lower layer voussoir 9, and the other end connects the first curved portion, two sides of first curved portion with it is adjacent
The side of first Slave Block 10, which coincide, to be contacted, and two sides of each first active block 11 are towards the first curved portion symmetry axis side
To inclination；Each first active block 11 is connect with pedestal 21 by spring, can be transported along the radius extended line of lower layer's voussoir 9
It is dynamic；First Slave Block 10 is connected on pedestal 21 by spring, can under the contact squeeze of two neighboring first active block 11
Along moving outward；Each first Slave Block 10, the first active block 11 the first curved portion arc side have the same center of circle,
And the arc side of each first curved portion can surround a circle.
Lower layer's voussoir 9 and the contact surface of the first active block 11 are inclined-plane；On direction from top to bottom, lower layer's wedge
9 outer diameter of block is gradually reduced；Then comply with the inclination of 9 outer diameter variation tendency of lower layer's voussoir in the face of first active block 11 contact lower layer's voussoir 9.
The effect being arranged in this way is: when snap-gauge 12 moves upwards under the drive of screw rod 3, lower layer's voussoir 9 is upward, so that the first Slave Block
10, the first active block 11 moves inwards under the action of the spring, the reduced diameter of lower layer's tensioner ring.When snap-gauge 12 drives in screw rod 3
Under when moving downward, lower layer's voussoir 9 downwards so that the first Slave Block 10, the first active block 11 are under the action of the spring to outward transport
Dynamic, the outer diameter of lower layer's tensioner ring becomes larger.The outer diameter refers to round diameter composed by the line of each arc side.
D. support plate 19 and middle layer tensioner ring
Support plate 19 above lower layer's tensioner ring, is fixed together along horizontally arranged with connecting shaft 6；Middle layer tensioner ring is set
In support plate 19, including be set in outside hollow cylinder 13 upper layer voussoir 8, against upper layer voussoir 8 it is equally distributed several
Second active block, and second Slave Block is provided between the second active block of every two；Second active block includes second
Transition part and the second curved portion, second transition part one end are contacted with upper layer voussoir 8, and the other end connects the second curved portion, institute
Two sides for stating the second curved portion coincide with the side of two neighboring second Slave Block to be contacted, and the two of each second active block
A side is towards the symmetrical axis direction inclination of the second curved portion；Each second active block support plate 19 is connected by spring, and can
It is moved along the radius extended line of upper layer voussoir 8；Second Slave Block is connect with support plate 19 by spring, is led with adjacent second
It can be along moving outward under the action of motion block contact friction force；Second arc of each second Slave Block, the second active block
The arc side in shape portion has the same center of circle, and the arc side of each second curved portion can surround a circle.
The upper layer voussoir 8 and the contact surface of the second active block are inclined-plane；On direction from top to bottom, upper layer voussoir
8 outer diameters are gradually reduced；Then comply with the inclination of 8 outer diameter variation tendency of upper layer voussoir in the face of second active block contact upper layer voussoir 8.In this way
The effect of setting is: when snap-gauge 12 moves upwards under the drive of screw rod 3, upper layer voussoir 8 upwards so that the second Slave Block, the
Two active blocks move inwards under the action of the spring, the reduced diameter of upper layer tensioner ring.When snap-gauge 12 is transported downwards under the drive of screw rod 3
When dynamic, upper layer voussoir 8 is downward, so that the second Slave Block, the second active block move out under the action of the spring, upper layer tensioner ring
Outer diameter becomes larger.The outer diameter refers to round diameter composed by the line of each arc side.
Specific embodiment 2:
The present embodiment is on the basis of embodiment 1 illustrated nut 5 and the preferred fixed form of upper layer voussoir 8.
5 outer lower portion of nut is circumferentially provided with a groove, 8 top of upper layer voussoir be provided with one with it is recessed
The identical protrusion item of groove shape, the prominent item snap onto groove, and nut 5 is enabled to drive upper layer voussoir 8 together when rotating
Movement.
Specific embodiment 3:
The present embodiment carries out on the basis of embodiment 1 or 2.
In order to preferably fix engine by-pass air duct machine lock to be welded, so that engine by-pass air duct machine lock to be welded is in welding process
In do not slide.The boss that a ring is arranged around lower layer's tensioner ring is provided on the pedestal 21, boss cross section is designed as L
Type.It should be appreciated that boss openings direction is inwardly.
Specific embodiment 4:
The present embodiment carries out on the basis of embodiment 3.
The outside the boss is provided with several rotating blocks 18, and the rotating block 18 is movably fixed to pedestal 21 by screw
On, one end can turn to boss upper surface.When turning to suitable position, under just rotating block 18 is fixed using screw
Come.
Application method of the invention are as follows:
Step 1: the lower installation side 17 of engine by-pass air duct machine lock to be welded being inserted in above device, is placed on boss,
Cylinder 16 is nested into the surrounded region in lower installation side 17 above device again.
Step 2: according to the dimensional standard of engine by-pass air duct machine lock to be welded, the outer of middle layer tensioner ring and lower layer's tensioner ring is adjusted
Diameter size.
The method for adjusting middle layer tensioner ring outer diameter size are as follows: operator holds handrail rotation hollow drum 2, upper layer voussoir 8
Movement.When it is required that middle layer tensioner ring outer diameter becomes larger, then rotation direction should be such that upper layer voussoir 8 moves downward, it is anti-regular to
Upper movement.
The method for adjusting lower layer's tensioner ring outer diameter size are as follows: operator protrudes into spanner in hollow drum 2, and spanner is held with a firm grip spiral shell
Bar 3 rotates screw rod 3.When it is required that lower layer's tensioner ring outer diameter becomes larger, then rotation direction should be such that lower layer's voussoir 9 moves downward,
It is anti-regular to move upwards.
Step 3: the upper installation side 15 of engine by-pass air duct machine lock to be welded is set to 16 upper end of cylinder above device；
Step 4: engine by-pass air duct machine lock to be welded is compressed in vertical direction with upper layer pressure ring 4；
Step 5: it is welded.
It is above-described, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, appoints
What those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
Subject to.
Claims (10)
1. a kind of engine by-pass air duct casing welder, which is characterized in that including pedestal, upper layer pressure ring, middle layer tensioner ring, support
Plate, lower layer's tensioner ring, telecontrol equipment；
Upper layer pressure ring, middle layer tensioner ring, support plate, lower layer's tensioner ring, pedestal are followed successively by vertically from top to bottom；The movement
Device includes hollow drum, screw rod, connecting shaft, nut, a hollow cylinder；
The upper layer pressure ring is annular in shape, is arranged around hollow drum；Several screw holes, several long spiral shells are provided on the upper layer pressure ring
Follow closely across screw hole, pass through the gap of middle layer tensioner ring and the gap of lower layer's tensioner ring after protrude into and on the limit hole that is fixed on the base；
Heart position, the barrel of hollow cylinder two sides are provided with the side vertically opened up in the base for the hollow cylinder setting
Slot, snap-gauge can move in the vertical direction in side channel；Hollow cylinder is fixedly arranged above connecting shaft, the connecting shaft and open circles
Cylinder is coaxial；The inner surface of connecting shaft, outer surface are provided with screw thread；Hollow drum is arranged above connecting shaft, hollow drum two
Side is provided with handrail, and hollow drum lower end is fixed with a link block, and the link block is fixed together with nut outer surfaces, spiral shell
Female inner surface then cooperates with connecting shaft outer surface thread；The screw rod is sunk in hollow drum, and passes through connecting shaft, and end is stretched
Enter in hollow cylinder；The outer surface of screw rod is threadedly engaged with connecting shaft inner surface, and end is provided with an I-shaped fastener, and work
Font fastener both sides are blocked respectively a snap-gauge；The side channel of hollow cylinder is stretched out in side that snap-gauge is not stuck, and with lower layer's wedge
Block is fixed together；
Lower layer's tensioner ring is located on pedestal, including be set in outside hollow cylinder lower layer's voussoir, against lower layer's voussoir and be uniformly distributed
Several first active blocks in lower layer's voussoir periphery, and first Slave Block is provided between the first active block of every two；
First active block includes First Transition portion and the first curved portion, and First Transition portion one end is contacted with lower layer's voussoir, separately
One end connects the first curved portion, and two sides of first curved portion coincide with the side of adjacent first Slave Block to be contacted, and
Two sides of each first active block are towards the symmetrical axis direction inclination of the first curved portion；Each first active block passes through with pedestal
Spring connection, can move along the radius extended line of lower layer's voussoir；First Slave Block is connected on pedestal by spring, in phase
It can be along moving outward under the contact squeeze of adjacent two the first active blocks；Each first Slave Block, the first active block
The arc side of first curved portion has the same center of circle, and the arc side of each first curved portion can surround a circle；Lower layer's wedge
Block and the contact surface of the first active block are inclined-plane；On direction from top to bottom, lower layer's voussoir outer diameter is gradually reduced；First is main
Then comply with the inclination of lower layer's voussoir outer diameter variation tendency in the face of motion block contact lower layer's voussoir；
Support plate above lower layer's tensioner ring, is fixed together along horizontally arranged with connecting shaft；Middle layer tensioner ring is located at support
On plate, including be set in outside hollow cylinder upper layer voussoir, against several equally distributed second active blocks of upper layer voussoir, and
Second Slave Block is provided between the second active block of every two；Second active block includes the second transition part and the second arc
Shape portion, second transition part one end are contacted with upper layer voussoir, the other end the second curved portion of connection, and the two of second curved portion
A side coincide with the side of two neighboring second Slave Block to be contacted, and two sides of each second active block are towards the second arc
The symmetrical axis direction inclination in shape portion；Each second active block support plate is connected by spring, and can be along the radius of upper layer voussoir
Extended line movement；Second Slave Block is connect with support plate by spring, in the effect with adjacent second active block contact friction force
Under can be along moving outward；Each second Slave Block, the second active block the second curved portion arc side have same circle
The heart, and the arc side of each second curved portion can surround a circle；The upper layer voussoir and the contact surface of the second active block are
Inclined-plane；On direction from top to bottom, upper layer voussoir outer diameter is gradually reduced；It then complies in the face of second active block contact upper layer voussoir
The inclination of upper layer voussoir outer diameter variation tendency.
2. engine by-pass air duct casing welder as described in claim 1, which is characterized in that nut outer lower portion edge
Circumferencial direction be provided with a groove, upper layer voussoir top is provided with the protrusion item coincideing with groove shapes, the protrusion
Item snaps onto groove, and nut is enabled to drive upper layer voussoir to move together when rotating.
3. engine by-pass air duct casing welder as described in claim 1, which is characterized in that be provided with one on the pedestal
The boss that ring is arranged around lower layer's tensioner ring.
4. engine by-pass air duct casing welder as claimed in claim 3, which is characterized in that the boss cross section is in L
Type.
5. engine by-pass air duct casing welder as claimed in claim 3, which is characterized in that the outside the boss is provided with
Several rotating blocks, the rotating block are movably fixed on pedestal by screw, and one end can turn to boss upper surface.
6. engine by-pass air duct casing welder as claimed in claim 3, which is characterized in that described device tensioner ring in middle level
It is provided with cricoid appendix above top, lower layer's tensioner ring, several gas nozzles are distributed on the appendix.
7. a kind of engine by-pass air duct casing welding method, the engine by-pass air duct casing includes a cylinder and two installations
Side, which is characterized in that use device as claimed in any one of claims 1 to 6, include the following steps:
Step 1: the lower installation side of engine by-pass air duct machine lock to be welded being inserted in above device, is placed on boss, then by cylinder
Body is nested into the surrounded region in lower installation side above device；
Step 2: according to the dimensional standard of engine by-pass air duct machine lock to be welded, the outer diameter for adjusting middle layer tensioner ring and lower layer's tensioner ring is big
It is small；
Step 3: the upper installation side of engine by-pass air duct machine lock to be welded is set to cylinder upper end above device；
Step 4: engine by-pass air duct machine lock to be welded is compressed in vertical direction with upper layer pressure ring；
Step 5: it is welded.
8. the welding method of engine by-pass air duct casing welder as claimed in claim 7, which is characterized in that step 2
In, rotation hollow drum adjusts middle layer tensioner ring outer diameter size；It rotates screw rod and adjusts lower layer's tensioner ring outer diameter size.
9. the welding method of engine by-pass air duct casing welder as claimed in claim 7, which is characterized in that step 2
In, when needing middle layer tensioner ring outer diameter to become larger, then hollow drum is rotated, it is on the contrary then make so that upper layer voussoir moves downward
Layer voussoir moves upwards；When needing lower layer's tensioner ring outer diameter to become larger, then screw rod is rotated, so that lower layer's voussoir moves downward, otherwise
So that lower layer's voussoir moves upwards.
10. the welding method of engine by-pass air duct casing welder as claimed in claim 7, which is characterized in that in step
In four, cylinder also is resisted with rotating block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811185286.XA CN109128651A (en) | 2018-10-11 | 2018-10-11 | A kind of engine by-pass air duct casing welder, welding method |
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| CN201811185286.XA CN109128651A (en) | 2018-10-11 | 2018-10-11 | A kind of engine by-pass air duct casing welder, welding method |
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| CN110788543A (en) * | 2019-10-31 | 2020-02-14 | 中国航发南方工业有限公司 | Welding positioning device and welding positioning method for combined casing |
| CN111347139A (en) * | 2020-03-31 | 2020-06-30 | 哈尔滨焊接研究院有限公司 | Tool clamp for argon arc welding of lobe component of aero-engine mixer |
| CN112059395A (en) * | 2020-08-04 | 2020-12-11 | 西安航天发动机有限公司 | Welding tool and method for butt joint of large-size thin-wall niobium-hafnium alloy annular workpiece |
| CN112091499A (en) * | 2020-11-20 | 2020-12-18 | 山东艾泰克环保科技股份有限公司 | Welding equipment for fuel tank |
| CN112192007A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Welding device and method for double-weld-joint expanding center support argon arc welding |
| CN112191463A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Glue coating assembly device for containing ring |
| WO2021098035A1 (en) * | 2019-11-19 | 2021-05-27 | 中国航发贵州黎阳航空动力有限公司 | Aircraft engine exhaust casing welding method |
| CN113579438A (en) * | 2021-08-26 | 2021-11-02 | 中国航发沈阳黎明航空发动机有限责任公司 | Process device for automatically welding circular seam of cylindrical thin-wall casing and using method |
| CN113732742A (en) * | 2021-09-29 | 2021-12-03 | 中国航发航空科技股份有限公司 | Angular alignment device and method for eccentric variable-cross-section cylinder |
| CN115041916A (en) * | 2022-06-21 | 2022-09-13 | 邯郸市永年区海翔机械厂 | Device for repairing crack of intermediate casing of aircraft engine and using method thereof |
| CN115213471A (en) * | 2022-09-20 | 2022-10-21 | 西安成立航空制造有限公司 | Processing equipment for thin-wall barrel type double-layer casing of aerospace engine |
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|---|---|---|---|---|
| CN110560989A (en) * | 2019-07-25 | 2019-12-13 | 武汉船用机械有限责任公司 | welding tool and welding method for cylinder body part |
| CN110560989B (en) * | 2019-07-25 | 2021-09-07 | 武汉船用机械有限责任公司 | Welding tool and welding method for cylinder body part |
| CN110757023A (en) * | 2019-10-28 | 2020-02-07 | 中国航发南方工业有限公司 | Welding repair method and device for cartridge receiver parts |
| CN110788543B (en) * | 2019-10-31 | 2021-02-09 | 中国航发南方工业有限公司 | Welding positioning device and welding positioning method for combined casing |
| CN110788543A (en) * | 2019-10-31 | 2020-02-14 | 中国航发南方工业有限公司 | Welding positioning device and welding positioning method for combined casing |
| WO2021098035A1 (en) * | 2019-11-19 | 2021-05-27 | 中国航发贵州黎阳航空动力有限公司 | Aircraft engine exhaust casing welding method |
| CN111347139A (en) * | 2020-03-31 | 2020-06-30 | 哈尔滨焊接研究院有限公司 | Tool clamp for argon arc welding of lobe component of aero-engine mixer |
| CN112059395A (en) * | 2020-08-04 | 2020-12-11 | 西安航天发动机有限公司 | Welding tool and method for butt joint of large-size thin-wall niobium-hafnium alloy annular workpiece |
| CN112059395B (en) * | 2020-08-04 | 2022-04-05 | 西安航天发动机有限公司 | Welding tool and method for butt joint of large-size thin-wall niobium-hafnium alloy annular workpiece |
| CN112191463A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Glue coating assembly device for containing ring |
| CN112192007A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Welding device and method for double-weld-joint expanding center support argon arc welding |
| CN112091499A (en) * | 2020-11-20 | 2020-12-18 | 山东艾泰克环保科技股份有限公司 | Welding equipment for fuel tank |
| CN113579438A (en) * | 2021-08-26 | 2021-11-02 | 中国航发沈阳黎明航空发动机有限责任公司 | Process device for automatically welding circular seam of cylindrical thin-wall casing and using method |
| CN113732742A (en) * | 2021-09-29 | 2021-12-03 | 中国航发航空科技股份有限公司 | Angular alignment device and method for eccentric variable-cross-section cylinder |
| CN115041916A (en) * | 2022-06-21 | 2022-09-13 | 邯郸市永年区海翔机械厂 | Device for repairing crack of intermediate casing of aircraft engine and using method thereof |
| CN115041916B (en) * | 2022-06-21 | 2024-04-05 | 邯郸市永年区海翔机械厂 | Device for repairing cracks of intermediate case of aeroengine and use method thereof |
| CN115213471A (en) * | 2022-09-20 | 2022-10-21 | 西安成立航空制造有限公司 | Processing equipment for thin-wall barrel type double-layer casing of aerospace engine |
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