CN207308771U - 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
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- CN207308771U CN207308771U CN201721133916.XU CN201721133916U CN207308771U CN 207308771 U CN207308771 U CN 207308771U CN 201721133916 U CN201721133916 U CN 201721133916U CN 207308771 U CN207308771 U CN 207308771U
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Abstract
It the utility model is related 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 lower part 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 equipped with amount of feeding adjusting mechanism, 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 utility model 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 to the requirement of heavy wall stainless steel for aviation conduit bell mouth expanding molding high quality, design volume is small, with portability, maintenance cost is low, and security risk is small, and a kind of convenient and efficient repair mode is provided for aircraft stainless steel pipe crack fault.
Description
Technical field
Aircraft repair facility technical field is the utility model is related to, specifically a kind of Portable aircraft heavy wall stainless steel
Conduit spinning bell mouth expanding shaping jig.
Background technology
At present, plane hydraulic system largely uses stainless steel pipe, and there are a certain proportion of undecomposable or be 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 repair space it is small, requirements is more, of high cost, effect is poor, to aircraft repair cycle with can
Bring challenges by property.
Airplane Hydraulic Tube connection is mainly using high frequency brazing connection and pipeline flaring connection 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.It is flared and connects for pipeline, mainly pipe fitting machine-shaping is not easy to operate aboard using ground large lathe,
And common some manual mouth expanders on the market, it is mostly Material Processing softer copper pipe, thin-wall steel tube or PVC plastic pipe, uses
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 flaring
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, twisted when being flared it is motionless or hold reinforcing utensil turn the problem of back fed amount is excessive, 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 with solve above-mentioned technical problem, the utility model proposes a kind of Portable aircraft heavy wall stainless steel to lead
Pipe spinning bell mouth expanding shaping jig.
Technical problem to be solved in the utility model is 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 lower part 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 equipped with amount of feeding adjusting mechanism, peace 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 further improvement of the utility model, the centre rotational axis, jackshaft are gear shaft, the amount of feeding
Adjusting mechanism include be installed on jackshaft on and engaged with centre rotational axis No.1 gear, installed in be rotated into donor and with
No. two gears of jackshaft engagement, are provided with a number key, No. two gears and center between the No.1 gear and jackshaft
Two number keys are installed between rotation axis.
As further improvement of the utility model, the clamping device include be rotated into cramping body that donor is connected,
Symmetrical grip block, it is connected in cramping body and with grip block and the holding screw on cramping body, installation
Rocking bar is installed on cramping body and the rotation stopping screw on housing, the holding screw.
As further improvement of the utility model, the rotation stopping screw threaded upper ends are connected on housing and lower slide
On cramping body.
As further improvement of the utility model, handle housing is connected with the housing.
As further improvement of the utility model, the upper end of the centre rotational axis is provided with rotary nut.
As further improvement of the utility model, between the both ends of the jackshaft and housing, centre rotational axis and shell
No.1 angular contact ball bearing is mounted between body, described be rotated between donor and housing is provided with No. two angular contact ball axis
Hold, No.1 plain thrust bearing is installed between centre rotational axis inside the swivel feeding body, is provided with the housing
For limiting the bearing baffle of No.1 plain thrust bearing, minus screw, institute are installed between housing on the bearing baffle
State eccentric rotary block and be rotated between donor and needle bearing is installed, be provided between the rotating cone and eccentric rotary block
No. two plain thrust bearings, it is described to be rotated into the locking nut being provided with donor for fixing No. two gears.
As further improvement of the utility model, annular gear is installed between the rotating cone and eccentric rotary block
Circle, the upper end of the housing is provided with the soket head cap screw for fixed shell.
The beneficial effects of the utility model are：
The utility model solves the requirement of screwfeed amount in aircraft heavy wall stainless steel pipe bell mouth expanding forming process,
Twist that motionless or holding reinforcing utensil turns the problem of back fed amount is excessive when avoiding the occurrence of flaring, reduce because of loudspeaker injury of mouth and
It is impossible to meet the situation of requirement, there is independent rotation and voltage-controlled system, combined by gear pair with screw thread and spinning head
Arranged off-centre, realizes to the requirement of heavy wall stainless steel for aviation conduit bell mouth expanding molding high quality, the small realization of design volume
The portability operated in aircraft small space, the utility model maintenance cost is low, and security risk is small, is led for aircraft stainless steel
Pipe crack failure provides a kind of convenient and efficient repair mode.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the installation diagram of the utility model；
Fig. 2 is the top view of the utility model；
Fig. 3 is the stereogram of the utility model；
Fig. 4 is the configuration schematic diagram of the utility model；
Fig. 5 is the clamping device configuration schematic diagram of the utility model.
Embodiment
In order to make the technical means, creative features, achievable purpose and effectiveness that the utility model is realized easy to understand, under
It is expanded on further in face of the utility model.
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, is provided with centre rotational axis 2 and jackshaft 3 on the housing 1, the lower part of the centre rotational axis 2, which is arranged with, to be installed on
Donor 4 is rotated on housing 1, the centre rotational axis 2, jackshaft 3 and is rotated between donor 4 and is equipped with the amount of feeding and adjusts 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 when being played by rotation and eccentric rotary to conduit bell mouth expanding, centre rotational axis 2 pass through
Amount of feeding adjusting mechanism is moved by power transmission belt to be rotated into donor 4 and is rotated on housing 1, since 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 adjusting mechanism includes being installed 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, is 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, reduces screwfeed amount during stainless steel pipe bell mouth expanding, meanwhile, centre rotational axis 2 are placed in second level gear
The center of No. two gears 9 in pair, realizes two concentric shafts different rotating speeds, while can increase the quantity of gear pair, adjustment
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
12 precession of screw promotes grip block 11 to clamp stainless steel pipe, rotating cone 6 is contacted stainless steel pipe.
7 threaded upper ends of rotation stopping screw are connected on housing 1 and lower slide is installed 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 rotation axis 2 be rotated into inside donor 4, rotating cone 6 is rotated upper, bearing baffle 21 is that two bugles connect in order to prevent
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 22 energy of needle bearing
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 utility model 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 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, passes through clamp screw
The extruding grip block 11 of nail 12, is fixed on center by conduit.
D) lubricating oil is applied to 6 working surface of rotating cone, 13 part of handle housing 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 6 (spinning of rotating cone under the action 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 rotating, 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 and the chamfer angle of grip block 11 of rotating cone 6, aircraft heavy wall stainless steel pipe is reached
Bell-mouthed (74 ° ± 30 ') requirement of profile angle.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply the utility model principle, on the premise of not departing from the spirit and scope of the utility model, the utility model also has
Various changes and modifications, these changes and improvements are both fallen within claimed the utility model.The requires of the utility model is protected
Scope is defined by the appending claims and its equivalent thereof.
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 lower part 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)
Equipped with amount of feeding adjusting mechanism, described be rotated into inside donor (4) is provided with the eccentric rotary being set on centre rotational axis (2)
Block (5), is provided with rotating cone (6) 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 characterized in that：The centre rotational axis (2), jackshaft (3) are gear shaft, and the amount of feeding adjusting mechanism is included in being installed 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 characterized in that：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), be 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 characterized in that：The threaded upper ends of the rotation stopping screw (7) are connected on housing (1) and lower slide is installed 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 characterized in that：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 characterized in that：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 |
|---|---|---|---|
| CN201721133916.XU CN207308771U (en) | 2017-09-06 | 2017-09-06 | A kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721133916.XU CN207308771U (en) | 2017-09-06 | 2017-09-06 | A kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig |
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| Publication Number | Publication Date |
|---|---|
| CN207308771U true CN207308771U (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721133916.XU Active CN207308771U (en) | 2017-09-06 | 2017-09-06 | A kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig |
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| CN (1) | CN207308771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107511431A (en) * | 2017-09-06 | 2017-12-26 | 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 CN201721133916.XU patent/CN207308771U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107511431A (en) * | 2017-09-06 | 2017-12-26 | 国营芜湖机械厂 | A kind of Portable aircraft heavy wall stainless steel pipe spinning bell mouth expanding shaping jig |
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