CN106541254A - Butt-joint mounting device - Google Patents
Butt-joint mounting device Download PDFInfo
- Publication number
- CN106541254A CN106541254A CN201510612569.8A CN201510612569A CN106541254A CN 106541254 A CN106541254 A CN 106541254A CN 201510612569 A CN201510612569 A CN 201510612569A CN 106541254 A CN106541254 A CN 106541254A
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- connector
- butt
- mounting device
- low
- support member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of butt-joint mounting device, is related to mechanical field, to realize the balance phase matched after two rotor elements installations, assembling quality is improved.The butt-joint mounting device includes the first support member for supporting the first connector and the second support member for supporting the second connector, and the radial dimension of the first connector is less than the radial dimension of the second connector.Wherein, the first support member is provided with rolling assembly, and the first connector can be on rolling assembly around own axis.Above-mentioned technical proposal, as the first connector can be along own axis, so that the first connector and the second connector can complete assembling in the state of balance phase matched.
Description
Technical field
The present invention relates to mechanical field, and in particular to a kind of butt-joint mounting device.
Background technology
Large commercial aero-engine generally as branch line and the power set of trunkliner, its
Motivation is generally big bypass ratio turbofan.The type engine weight is typically in 3-8
Ton, between fan diameter 1.7-3.5 rice, length is between 3-5 rice.Big bypass ratio turbofan
The most significant configuration feature of engine is that, with large-sized fan propeller, the fan propeller is produced
The thrust of whole machine more than 80%.
Fan propeller needs elongated low-pressure turbine shaft and is driven, and the low-pressure turbine shaft is passed through
The shaft power of Low Pressure Turbine Rotor is transferred to fan propeller by high pressure rotor endoporus.Low-pressure turbine
Axle front end is coordinated by spline housing tooth with fan short axle.Low-pressure turbine shaft rear end and low-pressure turbine disk
Drum by flange plate bolt connection, and then facilitate Low Pressure Turbine Rotor system substep dynamic balancing,
Independently change or keep in repair.Typically in 1.5-2.2 rice, the shaft diameter exists the length of low-pressure turbine shaft
120-150mm, weight is in 50-100Kg.The length of low-pressure turbine disk drum is typically in 0.5-1.0
Rice, in 1000-1500mm, weight is in 200-400Kg (containing low-pressure turbine blade) for maximum gauge.
Due to the low-pressure turbine combined rotor formed after low-pressure turbine shaft and the drum connection of low-pressure turbine disk
For typical serious variable cross-section shafting：One section is slender axles, and one section is roused for major diameter disk.And two
The mating surface of individual rotor is close to the abrupt change of cross-section position of low-pressure turbine combined rotor, therefore matches somebody with somebody at this
The assembling quality in conjunction face is extremely crucial.Mating surface between low-pressure turbine shaft and low-pressure turbine disk drum
Ring flange is all adopted to design, two ring flanges are using circumferential uniform bolt presses.Abutting joint
Process is mainly drawn in two steps：It is the movement of active mating part, phase matched, attitude first
Adjustment and standard centering；Followed by bolt is installed, tightens and check.Due to two rotor elements
Weight is very big, it is impossible to have been manually done docking.Two other rotor element size is big, and version is not
Unanimously, so the technical requirements of abutting joint are very high, need complete by specific purpose tool or equipment
Into.If low-pressure turbine shaft and low-pressure turbine disk drum center line accuracy of alignment is low or Bolt Tightening Force
It is uneven, have and can produce larger form and position tolerance and imbalance, and then affect low-pressure turbine pneumatic
Performance, causes notable vibratory response, even structural damage.
The abutting joint of low-pressure turbine shaft and low-pressure turbine disk drum has two methods.One kind is vertical
Assembling method：First low-pressure turbine shaft is vertically fixed in large-scale stand type support, as standard.
Then low-pressure turbine is turned stator component using crane and large-scale suspender (to rouse including low-pressure turbine disk
With low-pressure turbine stator casing) it is placed on the ring flange of low-pressure turbine shaft by top, complete right
In.Then workman station carries out manual operations on the ladder truck below large-scale vertical support.Due to
Position is tightened above human body, so high labor intensive, efficiency is low, tightens low precision.In addition,
Security is bad：Big-block engine low-pressure turbine shaft is longer than 2 meters, and large-scale vertical support height exists
More than 2.5 meters.And after the completion of vertically-mounted, it is necessary to carry out whole low-pressure turbo unit body (low
Pressure turbine wheel shaft and low-pressure turbine turn stator component) pose adjustment work, not only need larger
Station space, also needs to be equipped with the abundant operation of double trolley crane (containing special hanger) and workman
Experience.
Another kind is horizontal assembling method, without the need for the pose adjustment of whole low-pressure turbo unit body.It is right
The mode of connecing is adjusted to：It is with the relatively small elongated low-pressure turbine shaft of weight as active interfacing part, low
Pressure turbine turns stator component as standard.Low-pressure turbine shaft is realized using special locating platform
Move horizontally, pose adjustment and centering.Then oneself of bolt is realized using electric tightening instrument
It is dynamic to tighten.
Inventor has found at least there are following problems in prior art：Current main flow in the world
Large commercial fanjet, low-pressure turbine shaft and low-pressure turbine disk drum abutting joint are all to use
Special horizontal docking platform completes low-pressure turbine shaft movement, pose adjustment and alignment function.But
It is that the horizontal docking platform realizes low pressure whirlpool simply by by low-pressure turbine shaft mobile in the horizontal direction
The docking of wheel shaft and low-pressure turbine disk drum, which cannot cause the balance phase place of two rotor elements
Matching so that assembling is of poor quality.
The content of the invention
One of purpose of the present invention is to propose a kind of butt-joint mounting device, to realize two
Balance phase matched after rotor element installation, improves assembling quality.
For achieving the above object, the invention provides technical scheme below：
The invention provides a kind of butt-joint mounting device, including for supporting the of the first connector
One support member and the second support member for supporting the second connector, the footpath of first connector
To the radial dimension for being smaller in size than second connector；
Wherein, first support member is provided with rolling assembly, and first connector can be described
Around own axis on rolling assembly.
In an alternate embodiment of the invention, first support member can be horizontal relative to second support member
To movement.
In an alternate embodiment of the invention, first support member is located at Lateral mobile platform, the horizontal stroke
Longitudinal mobile platform is located to mobile platform, the Lateral mobile platform can be relative to the longitudinal direction
Mobile platform transverse shifting.
In an alternate embodiment of the invention, the Lateral mobile platform is set by lateral adjustments screw arbor assembly
In the longitudinal mobile platform.
In an alternate embodiment of the invention, the longitudinal mobile platform is located at vehicle frame and/or the second support member
Located at vehicle frame, the vehicle frame is provided with wheel.
In an alternate embodiment of the invention, the longitudinal mobile platform is located at vehicle frame by line slideway.
In an alternate embodiment of the invention, the longitudinal mobile platform is provided with protective frame, the protective frame
For supporting first connector dropped from the rolling assembly.
In an alternate embodiment of the invention, the rolling assembly includes roller, and the roller is arranged in pairs；
First support member includes Y shaped bracket, and each bifurcated of the Y shaped bracket is respectively provided with
Roller described in one, the diameter parallel of the axis of the roller and first connector.
In an alternate embodiment of the invention, the rolling assembly energy ascending, descending.
In an alternate embodiment of the invention, butt-joint mounting device also includes Horizontal measuring apparatus, the water
Flat measuring instrument is located at first connector.
Based on above-mentioned technical proposal, the embodiment of the present invention can at least produce following technique effect：
Above-mentioned butt-joint mounting device, is particularly suited for the installation of variable cross-section shafting product, such as business
With between aero-engine mesolow worm-gear combination rotor mesolow turbine wheel shaft and low-pressure turbine disk drum
Installation, herein the first connector be low-pressure turbine shaft, the second connector be low-pressure turbine disk drum.
Above-mentioned technical proposal, due to the first connector can along own axis so that
First connector and the second connector can complete assembling in the state of balance phase matched.Balance
Phase matched refers to the gravity balance matching of the first connector and the second connector.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the application
A part, the schematic description and description of the present invention is used to explain the present invention, not structure
Into inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation one of butt-joint mounting device provided in an embodiment of the present invention；
Fig. 2 is the structural representation two of butt-joint mounting device provided in an embodiment of the present invention；
Fig. 3 is the partial structural diagram one of butt-joint mounting device provided in an embodiment of the present invention；
Fig. 4 is the partial structural diagram two of butt-joint mounting device provided in an embodiment of the present invention.
Reference：
1st, the first connector；2nd, the first support member；3rd, the second connector；
4th, the second support member；5th, Lateral mobile platform；6th, longitudinal mobile platform；
8th, vehicle frame；9th, wheel；7th, lateral adjustments screw arbor assembly；
10th, line slideway；11st, protective frame；12nd, rolling assembly；
13rd, Horizontal measuring apparatus；14th, mounting seat；15th, upper and lower adjusting part；
16th, positioning component；17th, handle；18th, it is adjusted axially screw arbor assembly.
Specific embodiment
The technical scheme that the present invention is provided is explained in more detail with reference to Fig. 1～Fig. 4
State.
The title for arriving used herein or term are explained：
Commercial aviation engine：Big bypass ratio turbofan；
Low-pressure turbine shaft：Belong to the elongated power transmission shaft of Low Pressure Turbine Rotor；
Butt-joint mounting device：For the platform of abutting joint between elongate articles and major diameter part, category
Abutting joint between special tooling, such as low-pressure turbine shaft and disk drum.
Horizontal, longitudinal direction as referred to herein is referred to shown in Fig. 1, is longitudinally the axle along elongate articles
Line direction, laterally refer in horizontal plane with longitudinally perpendicular direction.
Referring to Fig. 1 to Fig. 4, the embodiment of the present invention provides a kind of butt-joint mounting device, including uses
In the first support member 2 for supporting the first connector 1 and for supporting the second connector 3 second
Support member 4, the radial dimension of the first connector 1 are less than the radial dimension of the second connector 3.
Wherein, the first support member 2 is provided with rolling assembly 12, and the first connector 1 can be in rolling assembly 12
On around own axis.
Above-mentioned butt-joint mounting device, is particularly suited for the installation of variable cross-section shafting product, such as business
With between aero-engine mesolow worm-gear combination rotor mesolow turbine wheel shaft and low-pressure turbine disk drum
Installation, the first connector 1 is low-pressure turbine shaft herein, and the second connector 3 is low-pressure turbine
Disk is roused.
First support member 2 has various implementations, and in the present embodiment, the first support member 2 is concrete
Using Y shaped bracket structure, rolling assembly 12 is located on Y shaped bracket.Further, will
Y shaped bracket is put down with transverse shifting hereinafter by upper and lower adjusting part 15 (concretely bolt)
Platform 5 connects, and can just change the height of Y shaped bracket by swivel bolt, and then change rolling group
The height of part 12, to realize the ascending, descending of the first connector 1.It can be seen that, by the first support member
2 and upper and lower adjusting part 15 can realize the first connector 1 around the rotation of 360 degree of own axes, and
1 vertical height of the first connector can be adjusted.
Second support member 4 has various implementations, and the second support member 4 is provided with positioning group herein
Part 16, for realizing the positioning of the second connector 3.
Above-mentioned butt-joint mounting device so that can adopt between the first connector 1 and the second connector 3
Horizontal assembling method is used, for superhuge commercial fanjet, low-pressure turbine shaft length is two
Rice or so, weight realizes low pressure whirlpool in more than 100Kg during horizontal abutting joint
Wheel shaft pose adjustment is crucial.
Above-mentioned technical proposal, as the first connector 1 can be along own axis, so as to can
So that the first connector 1 and the second connector 3 can be completed in the state of balance phase matched
Assembling.Balance phase matched refers to the gravity balance of the first connector 1 and the second connector 3
Match somebody with somebody.
Further, the first support member 2 can be relative to 4 transverse shifting of the second support member.So
It is easy to the pose adjustment of the first connector 1, so that the first connector 1 and the second connector 3
Assemble under suitable relative position.
Its specific implementation has various, specifically adopts following manner herein：Referring to Fig. 1, the
One support member 2 is located at Lateral mobile platform 5, and Lateral mobile platform 5 is located at longitudinal mobile platform 6,
Lateral mobile platform 5 can be moved relative to longitudinal mobile platform 6.
Referring to Fig. 1, Lateral mobile platform 5 is by lateral adjustments screw arbor assembly 7 located at longitudinal direction shifting
Moving platform 6.7 simple structure of lateral adjustments screw arbor assembly, motion are reliable, are easy to transversely change
Become the position of Lateral mobile platform 5, to change the first connector 1 relative to the second connector 3
Angle.
Referring to Fig. 1, longitudinal mobile platform 6 and/or the second support member 4 are located at vehicle frame 8, vehicle frame 8
It is provided with wheel 9.Whole butt-joint mounting device can be so caused to be easy to shift position.
Referring to Fig. 1, longitudinal mobile platform 6 is located at vehicle frame 8 by line slideway 10.So just
In the centering of the first connector 1 and the second connector 3.
Line slideway 10 has and is adjusted axially screw arbor assembly 18, for adjusting the along the longitudinal direction
The distance between a connection piece 1 and the second connector 3.It is adjusted axially 18 end of screw arbor assembly to set
There is handle 17, longitudinal mobile platform 6 can be caused relative to 8 edge of vehicle frame by rotating handles 17
The direction movement of slide rail.
For the security for ensureing to use, prevent the first connector 1 from falling in turning course, indulge
Protective frame 11 is provided with to mobile platform 6, protective frame 11 is used to support to fall from rolling assembly 12
The first connector 1 for falling.Rubber blanket is provided with the inside of protective frame 11, to reduce impact.
Referring to Fig. 2 and Fig. 4, rolling assembly 12 includes roller, and roller is arranged in pairs.First
Support member 2 includes Y shaped bracket, and each bifurcated of Y shaped bracket is respectively provided with a roller, the axle of roller
The diameter parallel of line and the first connector 1.The outer surface of the first connector 1 is by many pair rollers
Outer surface is supported, and supports the first connector 1 to arrange two the first support members 2 in the present embodiment
As a example by.Each first support member 2 is located in independent Lateral mobile platform 5.Each laterally moves
Moving platform 5 is connected with longitudinal mobile platform 6 by the lateral adjustments screw arbor assembly 7 being independently arranged.
The axial direction of large scale low-pressure turbine shaft is moved on a large scale, precision positioning is all by roll wheel assembly
Support, support stiffness are high.
Further, rolling assembly 12 can ascending, descending.In the present embodiment, by rolling assembly 12
Located at Y shaped bracket, Y shaped bracket is located at Lateral mobile platform 5 by upper and lower adjusting part 15.
Y shaped bracket ascending, descending can drive 12 synchronous ascending, descending of rolling assembly.
Referring to Fig. 2 and Fig. 3, butt-joint mounting device may also include Horizontal measuring apparatus 13, level
Measuring instrument 13 is located at the first connector 1, and Horizontal measuring apparatus 13 are located at the first connection herein
The outer surface of part 1, in order to observe.13 degree of regulation of Horizontal measuring apparatus is high.Horizontal survey
Instrument 13 is fixedly linked with the first connector 1 by mounting seat 14.
It is described below and the first connector 1 and the second connector is installed using above-mentioned butt-joint mounting device
3 process.First connector 1 is specially low-pressure turbine shaft, and the second connector 3 is specially low
Pressure turbine turns stator component.
1st, lifting device is used, low-pressure turbine of slinging turns stator component, then low-pressure turbine is turned
Stator component is correctly seated on the second support member 4, and cleans bolt and wheel disc drum and low pressure
The contact surface of turbine wheel shaft.Low-pressure turbine turns stator component includes Low Pressure Turbine Rotor and low-pressure turbine
Stator, after low-pressure turbine turns stator component and low-pressure turbine shaft assembling, forms low-pressure turbo unit
Body.Low Pressure Turbine Rotor and low-pressure turbine stator composition low-pressure turbine are turned into quiet using following manner
Sub-component：It is correct that Low Pressure Turbine Rotor rotation stop frock is installed, make Low Pressure Turbine Rotor (rotor
Front end is low-pressure turbine disk drum) it is fixed and low-pressure turbine stator between, do not rotate.
2nd, sling low-pressure turbine shaft with crane and two suspender belts, and place it in the first support member
On 2；Low-pressure turbine direction of principal axis is guaranteed as shown in figure 1, and cleaning mounting surface.
3rd, axial adjusting screw rod component 18 is rotated, low-pressure turbine shaft is slow on line slideway 10
Movement turns the low-pressure turbine disk of stator component as close to low-pressure turbine；Eye-level measuring instrument
Device 13, adjusts the height of two Y shaped brackets up and down according to actual conditions, make low-pressure turbine shaft with
The center line of low-pressure turbine is on same straight line.
4th, in Y shaped bracket upper rotary low-pressure turbine shaft, make the H points correspondence of low-pressure turbine wheel disc
L points on low-pressure turbine shaft, the bolt found accurately on the low-pressure turbine wheel disc of current location are corresponding low
Installing hole on pressure turbine wheel shaft.Rotating axial adjusting screw rod component 18 makes bolt pass through low-pressure turbine
Axle installing hole, and make low-pressure turbine axial end and the contact of low-pressure turbine sheave contact face.H points,
The alignment of L points is to ensure to balance phase matched.
5th, low-pressure turbine wheel disc and four, low-pressure turbine shaft contact surface upper and lower, left and right side are observed
To clearance condition, by two Y shaped brackets and to rotate axial adjusting screw rod component 18 pairs low
Pressure turbine wheel shaft is finely adjusted, it is ensured that the consistent then installation tool nut in four direction gap, stamps
Corresponding torque.Gap herein refers to the disk drum mating surface of low-pressure turbine shaft and low-pressure turbine wheel disc
Between gap.
6th, instrument nut is changed one by one for part nut by crossing method and beat torque, changed
Graphited oil is smeared to screw bolt and nut in journey.According to technological requirement and special after the completion of replacing
Force moment tools stamp final torque for nut, then check that low-pressure turbine shaft and wheel hub connect with feeler gauge
Contacting surface gap, the qualified rear execution step in gap 7.
7th, clean the disk drum contact of bolt and nut contact surface and low-pressure turbine shaft and low-pressure turbine wheel disc
Face, smears metallic paint by technological requirement after drying, and does lacquer painting test, and test passes are then whole
The installation process that individual low-pressure turbine shaft and low-pressure turbine turn between stator component is completed.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ",
" horizontal ", "front", "rear", "left", "right", " vertical ", " level ",
The orientation or position relationship of the instruction such as " top ", " bottom ", " interior ", " outward " is based on attached
Orientation or position relationship shown in figure is only for ease of the description present invention and simplifies description, and not
Be indicate or infer indication device or element must have specific orientation, for specific orientation
Construction and operation, thus it is not intended that the restriction of content is protected to the present invention.
If the word such as " first ", " second " is used herein come if limiting parts,
Those skilled in the art should know：The use of " first ", " second " is just for the sake of just
In the description present invention and simplified description, such as do not state in addition, above-mentioned word is not special
Implication.
Finally it should be noted that：Above example only to illustrate technical scheme, and
It is non-which is limited；Although being described in detail to the present invention with reference to the foregoing embodiments, ability
The those of ordinary skill in domain should be understood：Which still can be to the skill described in foregoing embodiments
Art scheme is modified, or carries out equivalent to which part technical characteristic, but these are repaiied
Change or replace, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technical side
The spirit and scope of case.
Claims (10)
1. a kind of butt-joint mounting device, it is characterised in that include for supporting the first connector (1)
The first support member (2) and for support the second connector (3) the second support member (4),
Radial ruler of the radial dimension of first connector (1) less than second connector (3)
It is very little；
Wherein, first support member (2) is provided with rolling assembly (12), first connection
Part (1) can be on the rolling assembly (12) around own axis.
2. butt-joint mounting device according to claim 1, it is characterised in that described first
Support member (2) can be relative to the second support member (4) transverse shifting.
3. butt-joint mounting device according to claim 2, it is characterised in that described first
, located at Lateral mobile platform (5), the Lateral mobile platform (5) is located at vertical for support member (2)
To mobile platform (6), the Lateral mobile platform (5) can relative to it is described vertically move it is flat
Platform (6) transverse shifting.
4. butt-joint mounting device according to claim 3, it is characterised in that it is described laterally
Mobile platform (5) is by lateral adjustments screw arbor assembly (7) located at the longitudinal mobile platform (6).
5. the butt-joint mounting device according to claim 3 or 4, it is characterised in that described
Longitudinal mobile platform (6) located at vehicle frame (8) and/or the second support member (4) located at vehicle frame (8),
The vehicle frame (8) is provided with wheel (9).
6. butt-joint mounting device according to claim 5, it is characterised in that the longitudinal direction
Mobile platform (6) is by line slideway (10) located at vehicle frame (8).
7. the butt-joint mounting device according to claim 3 or 4, it is characterised in that described
Longitudinal mobile platform (6) is provided with protective frame (11), the protective frame (11) for support from
First connector (1) dropped on the rolling assembly (12).
8. according to the arbitrary described butt-joint mounting device of claim 1-4, it is characterised in that institute
Rolling assembly (12) is stated including roller, the roller is arranged in pairs；
First support member (2) includes Y shaped bracket, each bifurcated of the Y shaped bracket
Roller described in one is respectively provided with, the axis of the roller is flat with the axis of first connector (1)
OK.
9. according to the arbitrary described butt-joint mounting device of claim 1-4, it is characterised in that institute
Stating rolling assembly (12) can ascending, descending.
10. according to the arbitrary described butt-joint mounting device of claim 1-4, it is characterised in that
Also include Horizontal measuring apparatus (13), the Horizontal measuring apparatus (13) are located at described first
Connector (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612569.8A CN106541254A (en) | 2015-09-23 | 2015-09-23 | Butt-joint mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612569.8A CN106541254A (en) | 2015-09-23 | 2015-09-23 | Butt-joint mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106541254A true CN106541254A (en) | 2017-03-29 |
Family
ID=58365014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510612569.8A Pending CN106541254A (en) | 2015-09-23 | 2015-09-23 | Butt-joint mounting device |
Country Status (1)
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| CN (1) | CN106541254A (en) |
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| CN107984202A (en) * | 2017-12-06 | 2018-05-04 | 上海交通大学 | There is the Automated assembly device of accurate posture adjustment and screw-driving |
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| CN110509052A (en) * | 2019-07-31 | 2019-11-29 | 中国航发南方工业有限公司 | Engine turbine rotor assembles vehicle and turbine rotor assembly method |
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| CN112676810B (en) * | 2020-12-21 | 2022-04-15 | 杭州光帝新能源科技有限公司 | Environment-friendly LED lamp processing system |
| CN112894675B (en) * | 2021-01-19 | 2022-05-03 | 杭州特翌智科技有限公司 | Centering device for aircraft engine assembling machine |
| CN112894675A (en) * | 2021-01-19 | 2021-06-04 | 杭州特翌智科技有限公司 | Centering device for aircraft engine assembling machine |
| CN113305530A (en) * | 2021-06-07 | 2021-08-27 | 西安英利科电气科技有限公司 | Flexible butt joint structure and method for horizontal assembly of medium-large rocket |
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Address after: 200241 Minhang District Lianhua Road, Shanghai, No. 3998 Applicant after: China Hangfa commercial aviation engine limited liability company Address before: 200241 Minhang District Lianhua Road, Shanghai, No. 3998 Applicant before: AVIC Commercial Aircraft Engine Co.,Ltd. |
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Application publication date: 20170329 |