CN107511431A - A kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig - Google Patents
A kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig Download PDFInfo
- Publication number
- CN107511431A CN107511431A CN201710793998.9A CN201710793998A CN107511431A CN 107511431 A CN107511431 A CN 107511431A CN 201710793998 A CN201710793998 A CN 201710793998A CN 107511431 A CN107511431 A CN 107511431A
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- CN
- China
- Prior art keywords
- stainless steel
- rotational axis
- steel pipe
- housing
- rotated
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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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention relates to a kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig, including housing, centre rotational axis and jackshaft are installed on housing, the bottom of centre rotational axis is arranged with is rotated into donor on housing, centre rotational axis, jackshaft and it is rotated between donor and is provided with amount of feeding governor motion, the eccentric rotary block being set on centre rotational axis is installed inside swivel feeding body, rotating cone is installed on eccentric rotary block, is rotated into the mode that the outside of donor is connected through a screw thread and clamping device is installed.The present invention solves the requirement of screwfeed amount in aircraft heavy wall stainless steel pipe bell mouth expanding forming process, with independent rotation and voltage-controlled system, realize the high quality requirement to the shaping of heavy wall stainless steel for aviation conduit bell mouth expanding, design volume is small, with portability, maintenance cost is low, and potential safety hazard is small, and a kind of convenient and swift repair mode is provided for aircraft stainless steel pipe crack fault.
Description
Technical field
The present invention relates to aircraft repair facility technical field, specifically a kind of Portable aircraft heavy wall stainless steel pipe
Spinning bell mouth expanding shaping jig.
Background technology
At present, plane hydraulic system largely uses stainless steel pipe, exists a certain proportion of undecomposable or is not easy to point
The conduit (such as high frequency brazing conduit in fuel tank) of solution, in the cracked class failure of such conduit, it is difficult to repair (main at present
Repaired using high frequency brazing), show and repair that space is small, requires that more, cost is high, effect is poor, the repair cycle to aircraft with can
Brought challenges by property.
Airplane Hydraulic Tube connection mainly uses high frequency brazing connection and pipeline enlarging connected mode, for nondecomposable
Pipeline crack fault mainly uses high frequency brazing repair mode in repairing, and which has many in view of soldering processes self shortcoming
Drawback.Connected for pipeline enlarging, mainly pipe fitting machine-shaping be not easy to operate aboard using ground large lathe,
And common some manual mouth expanders, the mostly softer copper pipe of Material Processing, thin-wall steel tube or PVC plastic pipe on the market, use
Rotary extrusion type spinning is molded, but without independent rotation and voltage-controlled system, a certain amount of axial feeding can only be given by revolution number, that is, is revolved
The amount of feeding that circles is equal to the pitch of rotation stud, generally (2~3) mm.And the feeding of aircraft heavy wall stainless steel pipe enlarging
Amount requires often to rotate a circle feeding (0.17~0.36) mm for flare cone, it can thus be appreciated that spinning integral type mouth expander amount of feeding mistake
Greatly, occur twisting that motionless or holding reinforcing utensil turns the problem of back fed amount is excessive during enlarging, cause loudspeaker injury of mouth without energy
Enough meet requirement, therefore be not used to make the horn mouth of stainless steel pipe.
The content of the invention
In order to avoid proposing a kind of Portable aircraft heavy wall stainless steel pipe rotation with solution above-mentioned technical problem, the present invention
Companding horn mouth shaping jig.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig, including housing, on the housing
Centre rotational axis and jackshaft are installed, the bottom of the centre rotational axis is arranged with is rotated into donor on housing,
The centre rotational axis, jackshaft and it is rotated between donor and is provided with amount of feeding governor motion, pacifies inside the swivel feeding body
Equipped with the eccentric rotary block being set on centre rotational axis, rotating cone is installed on the eccentric rotary block, it is described to be rotated into
The mode that the outside of donor is connected through a screw thread is provided with clamping device.
As a further improvement on the present invention, the centre rotational axis, jackshaft are gear shaft, the amount of feeding regulation
Mechanism include be arranged on jackshaft on and engaged with centre rotational axis No.1 gear, installed in be rotated into donor and with centre
No. two gears of axle engagement, are provided with a number key, No. two gears and central rotation between the No.1 gear and jackshaft
Two number keys are installed between axle.
As a further improvement on the present invention, the clamping device includes cramping body, the installation connected with swivel feeding body phase
In cramping body and symmetrical grip block, be connected with grip block and the holding screw on cramping body, installed in folder
Body and the rotation stopping screw on housing are held, rocking bar is installed on the holding screw.
As a further improvement on the present invention, the rotation stopping screw threaded upper ends are connected on housing and lower slide is installed
On cramping body.
As a further improvement on the present invention, it is connected with handle housing on the housing.
As a further improvement on the present invention, the upper end of the centre rotational axis is provided with rotary nut.
As a further improvement on the present invention, between the both ends of the jackshaft and housing, centre rotational axis and housing it
Between be mounted on No.1 angular contact ball bearing, described be rotated between donor and housing is provided with two bugle contact ball bearings, institute
State and No.1 plain thrust bearing is installed between centre rotational axis inside swivel feeding body, be provided with the housing for limiting
The bearing baffle of No.1 plain thrust bearing processed, minus screw, the bias are installed between housing on the bearing baffle
Moving block and be rotated between donor needle bearing be installed, be provided between the rotating cone and eccentric rotary block No. two it is flat
Face thrust bearing, it is described to be rotated into the locking nut being provided with donor for fixing No. two gears.
As a further improvement on the present invention, annular retaining ring, institute are installed between the rotating cone and eccentric rotary block
The upper end for stating housing is provided with soket head cap screw for fixed shell.
The beneficial effects of the invention are as follows：
The present invention solves the requirement of screwfeed amount in aircraft heavy wall stainless steel pipe bell mouth expanding forming process, avoids
Occur enlarging when twist it is motionless or hold reinforcing utensil turn the problem of back fed amount is excessive, reduce because loudspeaker injury of mouth is without energy
Enough meet the situation of requirement, there is independent rotation and voltage-controlled system, combined by gear pair with screw thread and spinning head is eccentric
Arrangement, the high quality requirement to the shaping of heavy wall stainless steel for aviation conduit bell mouth expanding is realized, design volume is small to be realized
The portability of operation in aircraft small space, maintenance cost of the present invention is low, and potential safety hazard is small, is the event of aircraft stainless steel pipe crackle
Barrier provides a kind of convenient and swift repair mode.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the installation diagram of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is the stereogram of the present invention；
Fig. 4 is the configuration schematic diagram of the present invention；
Fig. 5 is the clamping device configuration schematic diagram of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, below it is right
The present invention is expanded on further.
As shown in Figures 1 to 5, a kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig, including
Housing 1, centre rotational axis 2 and jackshaft 3 are installed on the housing 1, the bottom of the centre rotational axis 2, which is arranged with, to be arranged on
Donor 4 is rotated on housing 1, the centre rotational axis 2, jackshaft 3 and is rotated between donor 4 and is provided with amount of feeding regulation machine
Structure, it is described to be rotated into the eccentric rotary block 5 for being provided with and being set on centre rotational axis 2 inside donor 4, the eccentric rotary block 5
On rotating cone 6 is installed, the mode that the outside for being rotated into donor 4 is connected through a screw thread is provided with clamping device.
In this way, centre rotational axis 2 rotate, and drive eccentric rotary block 5 to rotate, and eccentric rotary block 5 drives rotation
Cone 6 makees eccentric rotary on the end face of eccentric rotary block 5, is fixed stainless steel pipe by clamping device, rotating cone 6 connects
Stainless steel pipe is touched, rotary press modelling during to conduit bell mouth expanding is played by rotation and eccentric rotary, centre rotational axis 2 pass through
Amount of feeding governor motion is rotated into donor 4 and rotated on housing 1 by power transmission belt is dynamic, because clamping device screw thread connects
It is connected on and is rotated into donor 4, pressing action is carried out to stainless steel pipe in rotary course, rotary press modelling is realized, can realize
The control of the amount of feeding and actuating pressure, avoids stainless steel pipe from being destroyed in spinning process.
The centre rotational axis 2, jackshaft 3 are gear shaft, and the amount of feeding governor motion includes being arranged on jackshaft 3
It is upper and engaged with centre rotational axis 2 No.1 gear 8, installed in No. two gears for being rotated into donor 4 and being engaged with jackshaft 3
9, a number key 15 is installed between the No.1 gear 8 and jackshaft 3, installed between No. two gears 9 and centre rotational axis 2
There are two number keys 16.In this way, centre rotational axis 2 and No.1 gear 8 form first order gear pair, jackshaft 3 and No. two
Gear 9 forms second level gear pair, using gear pair and screw thread compound action, by exchange 8, No. two gears 9 of No.1 gear and
Gear shaft, screwfeed amount during stainless steel pipe bell mouth expanding is reduced, meanwhile, centre rotational axis 2 are placed in second level gear
The center of No. two gears 9 in pair, two concentric shafts different rotating speeds are realized, while the quantity of gear pair can be increased, adjusted
Whether the rotation direction of concentric shafts is consistent.
The clamping device includes with being rotated into cramping body 10 that donor 4 is connected, divides in cramping body 10 and symmetrically
The grip block 11 of cloth, be connected with grip block 11 and the holding screw 12 on cramping body 10, installed in cramping body 10 and shell
Rocking bar 17 is installed on rotation stopping screw 7, the holding screw 12 on body 1.In this way, rotating rocker 17, by tightening
The precession of screw 12 promotes grip block 11 to clamp stainless steel pipe, rotating cone 6 is contacted stainless steel pipe.
The threaded upper ends of rotation stopping screw 7 are connected on housing 1 and lower slide is arranged on cramping body 10.Using this
Mode, rotation stopping screw 7 can prevent clamping device from integrally being rotated on housing 1, while also ensure clamping device entirety
There is certain loose buffer ability in the horizontal direction.
Handle housing 13 is connected with the housing 1.The handle housing 13 is used to facilitate operator to pick up whole device
Carry out operation.
The upper end of the centre rotational axis 2 is provided with rotary nut 14.By spanner, ratchet spanner, electronic or pneumatic etc.
Instrument rotates rotary nut 14, so as to drive centre rotational axis 2 to rotate.
No.1 angular contact is mounted between the both ends of the jackshaft 3 and housing 1, between centre rotational axis 2 and housing 1
Ball bearing 18, described be rotated between donor 4 and housing 1 is provided with two bugle contact ball bearings 19, described to be rotated into donor 4
No.1 plain thrust bearing 20 is installed between portion and centre rotational axis 2, is provided with the housing 1 for limiting No.1 plane
The bearing baffle 21 of thrust bearing 20, is provided with minus screw 25 on the bearing baffle 21 between housing 1, described eccentric to turn
Motion block 5 and it is rotated between donor 4 needle bearing 22 is installed, two is provided between the rotating cone 6 and eccentric rotary block 5
Number plain thrust bearing 23, it is described to be rotated into the locking nut 26 being provided with donor 4 for fixing No. two gears 9, using angle
Contact ball bearing can bear radial and axial load, facilitate centre rotational axis 2, jackshaft 3 and be rotated into donor 4 in housing 1
Upper rotation, plain thrust bearing can bear very high axial load in small space and have very high rigidity, in convenient
Heart rotary shaft 2 be rotated into inside donor 4, rotating cone 6 is rotated upper, bearing baffle 21 is to prevent two bugles from connecing
Touch ball bearing 19 to come off, due to eccentric rotary block 5 and between being rotated into donor 4, size positions are limited, using the energy of needle bearing 22
Enough bear under high load and volume.
Annular retaining ring 24 is installed between the rotating cone 6 and eccentric rotary block 5.The upper end of the housing 1 is provided with
Soket head cap screw 27 for fixed shell 1.Annular retaining ring 24 prevents rotating cone 6 from carrying out axial float in eccentric rotary block 5,
Ensure the quality of rotary press modelling.
The application method of the present invention is further elaborated below：
A) according to the position of aircraft heavy wall stainless steel pipe crack fault and surrounding environment, failure stainless steel pipe is determined
Off-position.
B) use grip block 11 right after the aircraft heavy wall stainless steel pipe end after cut-out being carried out into the processing such as deburring, chamfering
It is clamped, and reserved corresponding length.
C) grip block 11 and catheter tube are placed in correct position using cramping body 10, pivots rocker 17, pass through clamp screw
The extruding grip block 11 of nail 12, is fixed on center by conduit.
D) lubricating oil is applied to the working surface of rotating cone 6, the part of handle housing 13 is held on the other hand, on the other hand using spanner, spine
Wheel spanner, the electronic or instrument such as pneumatic rotate rotary nut 14.
E) rotating rotary nut 14 drives centre rotational axis 2 to rotate, on the one hand：Centre rotational axis 2 drive eccentric rotary block
5, make (the spinning of rotating cone 6 in the presence of 22, No. two No.1 plain thrust bearing 20, needle bearing plain thrust bearings 23
Head) rotation while around being added stainless steel pipe (catheter tube) central axis eccentric rotary；On the other hand：Centre rotational axis 2
For gear shaft, No.1 gear 8 is driven to rotate while rotation, and then the jackshaft 3 (gear shaft) connected by a number key 15
Drive No. two gears 9 to rotate, drive swivel feeding body 4 to rotate by the effect of two number keys 16, the screwfeed under threaded function
Body 4 is with being screwed into cramping body 10.
F) by adjusting the thread pitch for being driven when swivel feeding body 4 of two pairs of gear pairs, the amount of feeding is narrowed down to winged
The scope of machine heavy wall stainless steel pipe bell mouth expanding requirement, by the arranged off-centre of rotating cone 6, reaches to stainless steel for aviation
The rotary pressing processing forming requirements of conduit bell mouth expanding.
G) by adjusting the angle of rotating cone 6 and the chamfer angle of grip block 11, aircraft heavy wall stainless steel pipe is reached
Bell-mouthed (74 ° ± 30 ') requirement of profile angle.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, that described in above-described embodiment and specification is the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these change and
Improvement is both fallen within claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
1. a kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig, including housing (1), the housing
(1) centre rotational axis (2) and jackshaft (3) are installed on, it is characterised in that：The bottom of the centre rotational axis (2) is arranged with
Donor (4) is rotated on housing (1), the centre rotational axis (2), jackshaft (3) and is rotated between donor (4)
Provided with amount of feeding governor motion, described be rotated into inside donor (4) is provided with the eccentric rotary being set on centre rotational axis (2)
Block (5), rotating cone (6) is installed on the eccentric rotary block (5), the outside for being rotated into donor (4) is connected by screw thread
The mode connect is provided with clamping device.
2. a kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig according to claim 1, its
It is characterised by：The centre rotational axis (2), jackshaft (3) are gear shaft, and the amount of feeding governor motion is included in being arranged on
The No.1 gear (8) that is engaged on countershaft (3) and with centre rotational axis (2), installed in being rotated into donor (4) and and jackshaft
(3) No. two gears (9) of engagement.
3. a kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig according to claim 1, its
It is characterised by：The clamping device include be rotated into cramping body (10) that donor (4) is connected, it is interior installed in cramping body (10) and
Symmetrical grip block (11), it is connected with grip block (11) and the holding screw (12) on cramping body (10), installation
Rotation stopping screw (7) on cramping body (10) and housing (1).
4. a kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig according to claim 3, its
It is characterised by：The threaded upper ends of the rotation stopping screw (7) are connected on housing (1) and lower slide is arranged on cramping body (10)
On.
5. a kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig according to claim 1, its
It is characterised by：Handle housing (13) is connected with the housing (1).
6. a kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig according to claim 1, its
It is characterised by：The upper end of the centre rotational axis (2) is provided with rotary nut (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710793998.9A CN107511431B (en) | 2017-09-06 | 2017-09-06 | Portable aircraft thick wall stainless steel pipe spinning expands horn mouth forming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710793998.9A CN107511431B (en) | 2017-09-06 | 2017-09-06 | Portable aircraft thick wall stainless steel pipe spinning expands horn mouth forming tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107511431A true CN107511431A (en) | 2017-12-26 |
| CN107511431B CN107511431B (en) | 2023-06-02 |
Family
ID=60723897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710793998.9A Active CN107511431B (en) | 2017-09-06 | 2017-09-06 | Portable aircraft thick wall stainless steel pipe spinning expands horn mouth forming tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107511431B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5090226A (en) * | 1990-03-15 | 1992-02-25 | Rex Industries Co., Ltd. | Motor driven flaring device |
| JPH0639449A (en) * | 1992-07-27 | 1994-02-15 | Kyoto Kikai Kogu Kk | Electric flare working machine and pipe clamping device for the same |
| JPH09271854A (en) * | 1996-04-04 | 1997-10-21 | Retsukisu Kogyo Kk | Motor-operated enlarging tool |
| DE29919482U1 (en) * | 1999-11-05 | 2000-01-20 | Grote & Hartmann Gmbh & Co Kg, 42369 Wuppertal | Lifting tool device, in particular crimping tool device |
| JP2003126931A (en) * | 2001-10-16 | 2003-05-08 | Rex Industries Co Ltd | Electric flare-forming tool |
| JP2005028485A (en) * | 2003-07-10 | 2005-02-03 | Hitachi Ltd | Tube machining device |
| US20060243014A1 (en) * | 2005-04-28 | 2006-11-02 | Kao Meng J | Ratchet pipe enlarging tool |
| JP3187744U (en) * | 2013-09-30 | 2013-12-12 | 文化貿易工業株式会社 | Flare tool |
| CN207308771U (en) * | 2017-09-06 | 2018-05-04 | 国营芜湖机械厂 | A kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig |
-
2017
- 2017-09-06 CN CN201710793998.9A patent/CN107511431B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5090226A (en) * | 1990-03-15 | 1992-02-25 | Rex Industries Co., Ltd. | Motor driven flaring device |
| JPH0639449A (en) * | 1992-07-27 | 1994-02-15 | Kyoto Kikai Kogu Kk | Electric flare working machine and pipe clamping device for the same |
| JPH09271854A (en) * | 1996-04-04 | 1997-10-21 | Retsukisu Kogyo Kk | Motor-operated enlarging tool |
| DE29919482U1 (en) * | 1999-11-05 | 2000-01-20 | Grote & Hartmann Gmbh & Co Kg, 42369 Wuppertal | Lifting tool device, in particular crimping tool device |
| JP2003126931A (en) * | 2001-10-16 | 2003-05-08 | Rex Industries Co Ltd | Electric flare-forming tool |
| JP2005028485A (en) * | 2003-07-10 | 2005-02-03 | Hitachi Ltd | Tube machining device |
| US20060243014A1 (en) * | 2005-04-28 | 2006-11-02 | Kao Meng J | Ratchet pipe enlarging tool |
| JP3187744U (en) * | 2013-09-30 | 2013-12-12 | 文化貿易工業株式会社 | Flare tool |
| CN207308771U (en) * | 2017-09-06 | 2018-05-04 | 国营芜湖机械厂 | A kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107511431B (en) | 2023-06-02 |
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