CN109268473A - The method for processing and assembling of dish axle connection structure and dish axle connection structure - Google Patents
The method for processing and assembling of dish axle connection structure and dish axle connection structure Download PDFInfo
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- CN109268473A CN109268473A CN201811413947.XA CN201811413947A CN109268473A CN 109268473 A CN109268473 A CN 109268473A CN 201811413947 A CN201811413947 A CN 201811413947A CN 109268473 A CN109268473 A CN 109268473A
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- turbine disk
- turbine
- taper hole
- hole
- disk
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
- F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention discloses the method for processing and assembling of a seed disk shaft connection structure and dish axle connection structure, including the turbine wheel shaft, first turbine disk and second turbine disk set gradually along axial direction, turbine wheel shaft, first turbine disk and second turbine disk are equipped with multiple mounting shaft holes that three is sequentially passed through along axial direction.Connection lock shaft group is installed in each mounting shaft hole, connection lock shaft group is used to that turbine wheel shaft, first turbine disk and second turbine disk to be connected and be locked integral along the axial direction of mounting shaft hole, in turbine wheel shaft and the first turbine disk junction and first turbine disk and the second turbine disk junction, the inner wall of the outer circle and mounting shaft hole that connect lock shaft group is cone match, to guarantee that turbine wheel shaft and first turbine disk, first turbine disk and second turbine disk are coaxially connected.In dish axle connection structure of the invention, turbine wheel shaft can be reduced since high speed rotation makes the deviation of position of centre of gravity relative axis, with small vibration when making engine operation, the final service life for improving power transfer quality and engine.
Description
Technical field
The present invention relates to aero-engine fields, particularly, are related to a seed disk shaft connection structure.In addition, the present invention also relates to
And one seed disk shaft connection structure method for processing and assembling.
Background technique
Currently, turbine wheel shaft, the first order turbine disk and second level turbine disk three pass through connection bolt phase in aero-engine
Even, it and is locked by locking nut.The locking nut connection locking turbine disk and turbine wheel shaft are added using common connection bolt
When, since the turbine disk and turbine wheel shaft are usually in high temperature, high pressure and high-revolving working condition, cause the turbine disk and turbine wheel shaft with
It is easy to loosen between connection bolt, and then influences the lasting transmitting of turbine power；On the other hand, usually due to the turbine disk and turbine wheel shaft
In high-speed rotating working condition, the amount of unbalance of very little will cause the vibration of engine cycle under stationary state, adopt
When being bolted with generic connectivity, connection bolt is easy to deviate its position of centre of gravity relative axis because of high speed rotation, to make
Engine generates periodically vibration, influences the transmitting of turbine power and the service life of engine；In addition, using common company
When connecting bolt connects, after needing to carry out the turbine disk and turbine wheel shaft heating or bolt freezing being connected, it just can guarantee that interference is matched
It closes and requires, and dismantle difficult.
Summary of the invention
The present invention provides the method for processing and assembling of a seed disk shaft connection structure and dish axle connection structure, to solve using existing
The technical issues of some connection structures cause engine to generate periodic vibration.
The technical solution adopted by the invention is as follows:
One seed disk shaft connection structure, comprising: turbine wheel shaft, first turbine disk and second turbine disk set gradually along axial direction,
Turbine wheel shaft, first turbine disk and second turbine disk, which are equipped with, sequentially passes through turbine wheel shaft, first turbine disk and the second turbine along axial direction
Multiple mounting shaft holes of disk, multiple mounting shaft holes circumferentially successively lay by interval；Connection lock shaft is installed in each mounting shaft hole
Group, connection lock shaft group are used to that turbine wheel shaft, first turbine disk and second turbine disk to be connected and be locked along the axial direction of mounting shaft hole
It is integral, in turbine wheel shaft and the first turbine disk junction and first turbine disk and the second turbine disk junction, connect lock shaft group
Outer circle and the inner wall of mounting shaft hole be cone match, to guarantee turbine wheel shaft and first turbine disk, first turbine disk and second
The turbine disk is coaxially connected.
Further, mounting shaft hole includes being connected to positioned at turbine wheel shaft and the first turbine disk junction and simultaneously the first of the two
Taper hole, and the second taper hole both being connected to positioned at first turbine disk and the second turbine disk junction and simultaneously；Connect lock shaft group
Outer circle on be machined with matched first conical surface of the first taper hole, and with matched second conical surface of the second taper hole；Turbine wheel shaft and
One turbine disk is coaxially connected by the cooperation of the first taper hole and first conical surface, and first turbine disk and second turbine disk pass through second
The cooperation of taper hole and second conical surface is coaxially connected.
Further, the taper of both the first taper hole and second taper hole is equal, and the first taper hole and the second taper hole are hole
Diameter wears the diminishing bellmouth in mounting shaft hole direction along connection lock shaft group.
Further, first conical surface is interference fitted respectively with the first taper hole, second conical surface and the second taper hole.
Further, connection lock shaft group includes the connection bolt being installed in mounting shaft hole, connects the bolt head of bolt
The end of contact turbine wheel shaft；It connects and is successively arranged first conical surface and second conical surface on the screw rod of bolt, screw rod is pierced by mounting shaft hole
Afterwards be installed on screw rod and the locking member of second turbine disk of contact end is threadedly coupled, locking member is used in connection bolt along peace
By turbine wheel shaft, first turbine disk and the second whirlpool after dress axis hole axis direction connection turbine wheel shaft, first turbine disk and second turbine disk
Wheel disc three locking is integral.
According to another aspect of the present invention, the method for processing and assembling of a seed disk shaft connection structure is additionally provided, including following
Step: the first taper hole of machine-shaping and the second taper hole in each mounting shaft hole of turbine wheel shaft, first turbine disk and second turbine disk,
And machine-shaping and matched first conical surface of the first taper hole and the second cone in the outer circle of the connection bolt in each connection lock shaft group
Matched second conical surface in hole；According to the dish axle connection structure of such as any of the above-described, Set and Positioning turbine wheel shaft, first turbine disk and
Two turbine disks；Successively by connect bolt be installed in mounting shaft hole and tighten connection lock shaft group locking member, by turbine wheel shaft,
First turbine disk, second turbine disk and connection lock shaft group are assembled into dish axle connection structure.
Further, machine-shaping first is bored in each mounting shaft hole of turbine wheel shaft, first turbine disk and second turbine disk
Hole and the second taper hole, specifically includes the following steps: Set and Positioning turbine wheel shaft, first turbine disk and second turbine disk；Using fraising
Cutter cuts with scissors out the first taper hole and the second taper hole simultaneously in each mounting shaft hole；Successively to the first taper hole and in each mounting shaft hole
Two taper holes carry out dyeing inspection.
Further, machine-shaping and the first taper hole matched the in the outer circle of the connection bolt of each connection lock shaft group
One conical surface and matched second conical surface of the second taper hole, specifically includes the following steps: Set and Positioning connects bolt；Using processing knife
Have the simultaneous processing in the outer circle of connection bolt and goes out first conical surface and second conical surface；Successively to first in each connection bolt outer circle
The conical surface and second conical surface carry out dyeing inspection.
Further, according to the dish axle connection structure of such as any of the above-described, Set and Positioning turbine wheel shaft, first turbine disk and
When two turbine disks, the beating degree of stitching surface and first turbine disk and second turbine disk between turbine wheel shaft and first turbine disk are checked
Between the beating degree of stitching surface whether be equal to or less than 0.01, if beating degree is greater than 0.01, then rotate first turbine disk and/or the
Two turbine disks adjustment, until the beating degree of stitching surface is equal to or less than 0.01.
Further, successively will connect bolt be installed in mounting shaft hole and tighten connection lock shaft group locking member when,
Specifically includes the following steps: connection bolt is fitted into mounting shaft hole, and first conical surface is made to be close to the inner wall of the first taper hole, second
The conical surface is close to the inner wall of the second taper hole；Detection connection bolt bolt head and turbine axial end between fit-up gap whether
Within the scope of 0.5mm~1mm；If fit-up gap is not within the scope of 0.5mm~1mm, then replaces connection bolt and detect assembly building again
Gap, if fit-up gap is within the scope of 0.5mm~1mm, then tightening locking member keeps the gap between bolt head and turbine axial end small
In 0.03mm.
Further, it will successively further comprise the steps of: to the in each mounting shaft hole before connection bolt is installed in mounting shaft hole
First conical surface and second conical surface on one taper hole and the second taper hole, and each connection bolt carry out dyeing inspection.
The invention has the following advantages:
In dish axle connection structure of the invention, by the connection lock shaft group that is arranged in mounting shaft hole by turbine wheel shaft,
One turbine disk and second turbine disk along mounting shaft hole it is axial connect and lock it is integral, to guarantee first turbine disk and second
Power on the turbine disk is transferred on turbine wheel shaft by connecting lock shaft group, then passes to compressor, attachment biography by turbine wheel shaft
Dynamic device and propeller, complete the transmitting of power；Again because in turbine wheel shaft and the first turbine disk junction and first turbine disk and
The inner wall of second turbine disk junction, the outer circle and mounting shaft hole that connect lock shaft group is cone match, due to cone match
Structure plays the role of centering, so turbine wheel shaft and first turbine disk begin when can guarantee that engine operation makes turbine wheel shaft high speed rotation
It is coaxially connected eventually, and first turbine disk and second turbine disk are coaxially connected always, and then reduce turbine wheel shaft since high speed rotation makes
The deviation of position of centre of gravity relative axis, it is with small vibration when making engine operation, it is final to improve making for power transfer quality and engine
Use the service life；In addition, needing to carry out object part heating using common turnbuckle connection compared to the prior art or will draw
Tight bolt freezing, just can guarantee that interference fit requires, and disassembly is extremely difficult, in dish axle connection structure of the present invention, due to using
Connection lock shaft group with taper, to be not necessarily to heat turbine wheel shaft, first turbine disk and second turbine disk when assembling, or freezing
Lock shaft group is connected, connection lock shaft group can be fit directly into mounting shaft hole, and assembly and disassembling section are simple, are easy to implement；
Using the method for processing and assembling of dish axle connection structure of the invention, due to being connect in turbine wheel shaft with first turbine disk
The inner wall of place, first turbine disk and the second turbine disk junction, the outer circle and mounting shaft hole that connect lock shaft group is that the conical surface is matched
It closes, since tapered face fit structure plays the role of centering, so when can guarantee that engine operation makes turbine wheel shaft high speed rotation, turbine wheel shaft
It is coaxially connected always with first turbine disk, and first turbine disk and second turbine disk are coaxially connected always, and then reduce turbine wheel shaft
It is with small vibration when making engine operation since high speed rotation makes the deviation of position of centre of gravity relative axis, it is final to improve power transfer matter
The service life of amount and engine；In addition, compared to the prior art using common turnbuckle connection need by object part into
Row heating freezes turnbuckle, just can guarantee that interference fit requires, and dismantle extremely difficult, of the invention assembly method
In, due to using the connection lock shaft group with taper, to be not necessarily to when assembling by turbine wheel shaft, first turbine disk and second turbine disk
Heating, or freezing connection lock shaft group, connection lock shaft group can be fit directly into mounting shaft hole, assembly and disassembling section letter
It is single, easy to implement.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic cross-sectional view of the dish axle connection structure of the preferred embodiment of the present invention；
Fig. 2 is the schematic cross-sectional view after turbine wheel shaft in Fig. 1, first turbine disk and the second turbine disk Set and Positioning；
Fig. 3 is the structural schematic diagram that bolt is connected in Fig. 1；
Fig. 4 is schematic diagram when locking member is tightened between front bolt head and turbine wheel shaft end with fit-up gap in Fig. 1.
Marginal data
10, turbine wheel shaft；20, first turbine disk；30, second turbine disk；40, mounting shaft hole；41, the first taper hole；42, second
Taper hole；50, lock shaft group is connected；501, first conical surface；502, second conical surface；51, bolt is connected；511, bolt head；512, spiral shell
Bar；52, locking member；521, stop washer；522, locking nut.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Referring to Figures 1 and 2, the preferred embodiment of the present invention provides a seed disk shaft connection structure, comprising: successively along axial direction
The turbine wheel shaft 10 of setting, first turbine disk 20 and second turbine disk 30, turbine wheel shaft 10, first turbine disk 20 and second turbine disk 30
Multiple mounting shaft holes 40 that turbine wheel shaft 10, first turbine disk 20 and second turbine disk 30 are sequentially passed through along axial direction are equipped with, it is multiple
Mounting shaft hole 40 circumferentially successively lay by interval.It is installed with connection lock shaft group 50 in each mounting shaft hole 40, connects lock shaft group
50 for along the axial connection of mounting shaft hole 40 and locking into whole turbine wheel shaft 10, first turbine disk 20 and second turbine disk 30
Body, in turbine wheel shaft 10 and first turbine disk, 20 junction and 30 junction of first turbine disk 20 and second turbine disk, connection locking
The outer circle of axis group 50 and the inner wall of mounting shaft hole 40 are cone match, to guarantee turbine wheel shaft 10 and first turbine disk 20, first
The turbine disk 20 and second turbine disk 30 are coaxially connected.
In dish axle connection structure of the invention, by the connection lock shaft group 50 that is arranged in mounting shaft hole 40 by turbine wheel shaft
10, first turbine disk 20 and second turbine disk 30 along mounting shaft hole 40 it is axial connect and lock it is integral, to guarantee first
Power on the turbine disk 20 and second turbine disk 30 is transferred on turbine wheel shaft 10 by connecting lock shaft group 50, then passes through turbine wheel shaft
10 pass to compressor, accessory drive and propeller, complete the transmitting of power；Again because in turbine wheel shaft 10 and the first turbine
30 junction of 20 junction of disk and first turbine disk 20 and second turbine disk connects the outer circle and mounting shaft hole 40 of lock shaft group 50
Inner wall be cone match, since tapered face fit structure plays the role of centering, so can guarantee engine operation make turbine wheel shaft
When 10 high speed rotation, turbine wheel shaft 10 and first turbine disk 20 are coaxially connected always, and first turbine disk 20 and second turbine disk 30
Always coaxially connected, and then reduce turbine wheel shaft 10 since high speed rotation makes the deviation of position of centre of gravity relative axis, make engine work
It is with small vibration when making, the final service life for improving power transfer quality and engine；In addition, compared to the prior art using common
Turnbuckle connection need to carry out object part heat or turnbuckle is freezed, just can guarantee interference fit require, and
Dismantle it is extremely difficult, in dish axle connection structure of the present invention, due to use the connection lock shaft group 50 with taper, thus when assembling without
Turbine wheel shaft 10, first turbine disk 20 and second turbine disk 30 need to be heated, or freezing connection lock shaft group 50, connect lock shaft group
50 can be fit directly into mounting shaft hole 40, and assembly and disassembling section are simple, are easy to implement.
Optionally, as shown in Figures 2 and 3, mounting shaft hole 40 includes being located at 20 junction of turbine wheel shaft 10 and first turbine disk
And the first taper hole 41 both being connected to simultaneously, and it is connected to two with second turbine disk, 30 junction and simultaneously positioned at first turbine disk 20
The second taper hole 42 of person.Connect lock shaft group 50 outer circle on be machined with matched first conical surface 501 of the first taper hole 41, and with
Matched second conical surface 502 of second taper hole 42.Turbine wheel shaft 10 and first turbine disk 20 pass through the first taper hole 41 and first conical surface 501
Cooperation it is coaxially connected, and first turbine disk 20 and second turbine disk 30 pass through the cooperation of the second taper hole 42 and second conical surface 502
It is coaxially connected.
Preferably, as shown in Figures 2 and 3, the taper of 42 the two of the first taper hole 41 and the second taper hole is equal, the taper of the two
It is 1:45-1:50, which is convenient for the processing of the first taper hole 41, the second taper hole 42, first conical surface 501 and second conical surface 502,
And guarantee the bonding strength and rigidity of connection lock shaft group 50.First taper hole 41 and the second taper hole 42 are aperture along connection locking
Axis group 50 wears the diminishing bellmouth in 40 direction of mounting shaft hole.The aperture of first taper hole 41 and the second taper hole 42 is along connection lock
The direction that mandrel group 50 wears mounting shaft hole 40 is gradually reduced, and is not only convenient for connection lock shaft group 50 and is fitted into mounting shaft hole 40,
Importantly, convenient for the simultaneous processing molding of both the first taper hole 41 and the second taper hole 42, and first conical surface 501 and second conical surface
The molding of 502 simultaneous processings, and then guarantee that turbine wheel shaft 10 and first turbine disk 20, first turbine disk 20 are same with second turbine disk 30
Axis degree, and make the processing is simple, improve processing efficiency.
Preferably, as shown in Figure 1, first conical surface 501 and the first taper hole 41, second conical surface 502 and the second taper hole 42 are distinguished
Interference fit.Since first conical surface 501 and the first taper hole 41, second conical surface 502 and the second taper hole 42 are interference fitted respectively, thus
Can not only make turbine wheel shaft 10 and first turbine disk 20, first turbine disk 20 and second turbine disk 30 two-by-two between closely connect, guarantee
The lasting transmitting of turbine power, while making when assembly without heating turbine wheel shaft 10, first turbine disk 20 and second turbine disk 30
Or freezing connection lock shaft group 50 just can guarantee that interference fit requires, and make that the assembly for connecting lock shaft group 50 and disassembly are simple, hold
Easily implement.
Optionally, as shown in figures 1 and 3, connection lock shaft group 50 includes the connection bolt being installed in mounting shaft hole 40
51, connect the end of the 511 contact turbine wheel shaft 10 of bolt head of bolt 51.It connects and is successively arranged first on the screw rod 512 of bolt 51
The conical surface 501 and second conical surface 502, screw rod 512 are pierced by after mounting shaft hole 40 and are installed on screw rod 512 and second turbine disk of contact
The locking member 52 of 30 ends is threadedly coupled, and locking member 52 is used to connect turbine along 40 axis direction of mounting shaft hole in connection bolt 51
Turbine wheel shaft 10, first turbine disk 20 and second turbine disk, 30 three are locked after axis 10, first turbine disk 20 and second turbine disk 30
It is tight integral.Further, it is machined with the evacuation face for the labyrinth seal that evacuation is installed on turbine wheel shaft 10 on bolt head 511, keeps away
Face is allowed to be the plane on 511 outer wall of bolt head.
In the specific embodiment of this optinal plan, as shown in Figure 1, locking member 52 includes being installed in 512 outer circle of screw rod
Stop washer 521, and the locking nut 522 being threadedly connected in 512 outer circle of screw rod.After the assembly is completed, stop washer 521 is held out against
Between second turbine disk 30 and locking nut 522.
When practical set, the cooperation tightness of connection bolt 51 and turbine wheel shaft 10, first turbine disk 20 and second turbine disk 30
It is tightened by locking nut 522 to guarantee.Before tightening locking nut 522, when pushing against bolt head 511 with hand, bolt head 511 and turbine
There is the gap of 0.5mm~1.0mm between 10 end of axis, after guaranteeing that locking nut 522 is tightened, first conical surface 501 and the first taper hole
There is the magnitude of interference of 0.01mm~0.02mm between 41, between second conical surface 502 and the second taper hole 42, meanwhile, locking nut 522
For screw-down torque in 52Nm-55Nm, the elongation of connection bolt 51 should be 0.07mm~0.12mm, and locking nut 522 is twisted
It is next, two o'clock is rushed in the symmetry direction of stop washer 521,521 part of stop washer is made to squeeze into the slot of locking nut 522 and lock
Tightly.
Due to being fitted closely between first conical surface 501 and the first taper hole 41, between second conical surface 502 and the second taper hole 42, thus
When first conical surface 501 and the first taper hole 41, second conical surface 502 and the second taper hole 42 are assembled in first conical surface 501 and the second cone
Anti-sticking ointment is coated on face 502, is connected other parts in 51 outer circle of bolt and is coated gredag.If being needed after engine long-term work
Decompose when repairing, the discovery conical surface and taper hole surface have because material bonds damage the phenomenon that, then need to the first taper hole 41 and the
Two taper holes 42 ream to expand taper hole again, and connection bolt 51 is also required to accordingly be replaced with the bolt of dilated diameter, to guarantee to fill
Requirement with tightness.
Referring to Fig.1-3, the preferred embodiment of the present invention additionally provides the method for processing and assembling of a seed disk shaft connection structure, including
Following steps:
The first taper hole of machine-shaping in each mounting shaft hole 40 of turbine wheel shaft 10, first turbine disk 20 and second turbine disk 30
41 and second taper hole 42, and machine-shaping and the first taper hole 41 in the outer circle of the connection bolt 51 in each connection lock shaft group 50
First conical surface 501 and matched second conical surface 502 of the second taper hole 42 matched.
According to the dish axle connection structure of any of the above-described, Set and Positioning turbine wheel shaft 10, first turbine disk 20 and the second turbine
Disk 30.
Connection bolt 51 is successively installed in mounting shaft hole 40 and is tightened the locking member 52 of connection lock shaft group 50, it will
Turbine wheel shaft 10, first turbine disk 20, second turbine disk 30 and connection lock shaft group 50 are assembled into dish axle connection structure.
Using the method for processing and assembling of dish axle connection structure of the invention first in turbine wheel shaft 10, first turbine disk 20 and
Machine-shaping the first taper hole 41 and the second taper hole 42 in each mounting shaft hole 40 of two turbine disks 30, and in each connection lock shaft group 50
Connection bolt 51 outer circle on machine-shaping and matched first conical surface 501 of the first taper hole 41, matched with the second taper hole 42
After second conical surface 502, then successively connection bolt 51 is installed in mounting shaft hole 40 and tightens the locking of connection lock shaft group 50
Turbine wheel shaft 10, first turbine disk 20, second turbine disk 30 and connection lock shaft group 50 are assembled into dish axle connection structure by part 52
When, due in turbine wheel shaft 10 and first turbine disk, 20 junction and 30 junction of first turbine disk 20 and second turbine disk, connection
The outer circle of lock shaft group 50 and the inner wall of mounting shaft hole 40 are cone match, since tapered face fit structure plays the role of centering,
So turbine wheel shaft 10 and first turbine disk 20 are coaxially connected always when can guarantee that engine operation makes 10 high speed rotation of turbine wheel shaft,
And first the turbine disk 20 and second turbine disk 30 it is coaxially connected always, and then reduce turbine wheel shaft 10 center of gravity position made due to high speed rotation
The deviation for setting relative axis, with small vibration when making engine operation, the final service life for improving power transfer quality and engine；
Need to carry out object part heating or turnbuckle is cold in addition, connecting compared to the prior art using common turnbuckle
Freeze, just can guarantee that interference fit requires, and disassembly is extremely difficult, in assembly method of the invention, due to using the company with taper
Lock shaft group 50 is connect, to be not necessarily to heat turbine wheel shaft 10, first turbine disk 20 and second turbine disk 30 when assembling, or freezing connects
Lock shaft group 50 is connect, connection lock shaft group 50 can be fit directly into mounting shaft hole 40, and assembly and disassembling section are simple, it is real to be easy
It applies.
Optionally, the machine-shaping in each mounting shaft hole 40 of turbine wheel shaft 10, first turbine disk 20 and second turbine disk 30
First taper hole 41 and the second taper hole 42, specifically includes the following steps:
According to dish axle connection structure, Set and Positioning turbine wheel shaft 10, first turbine disk 20 and second turbine disk 30.
First taper hole 41 and the second taper hole 42 are cut with scissors out using reaming knife simultaneously in each mounting shaft hole 40.
Successively in each mounting shaft hole 40 the first taper hole 41 and the second taper hole 42 carry out dyeing inspection.
Specifically, according to dish axle connection structure, Set and Positioning turbine wheel shaft 10, first turbine disk 20 and second turbine disk 30
When, turbine wheel shaft 10, first turbine disk 20 and second turbine disk 30 are successively mounted on drill jig first, then in first turbine disk 20
" 0 " hole when being directed at one of mounting shaft hole 40 of second turbine disk 30, adjust first turbine disk 20 and second turbine disk 30
With the angular position of turbine wheel shaft 10, guarantee that locating bar can be inserted into each mounting shaft hole 40 under impaction state.Using fraising
When cutter cuts with scissors out the first taper hole 41 and the second taper hole 42 simultaneously in each mounting shaft hole 40, an installation is first cut with scissors using special reamer
The first taper hole 41 and the second taper hole 42 of axis hole 40 are inserted into locating bar positioning, then cut with scissors other mounting shaft holes 40 again, often
The first taper hole 41 in one mounting shaft hole 40 and the second taper hole 42 are cut with scissors out simultaneously using same reaming knife, facilitate processing,
Convenient for guaranteeing the taper and concentricity of both the first taper hole 41 and the second taper hole 42, keep the two taper equal, and coaxial.It is successively right
When the first taper hole 41 in each mounting shaft hole 40 and the second taper hole 42 carry out dyeing inspection, 41 He of the first taper hole that will cut with scissors first
Second taper hole, 42 inside is uniformly coated with red stamp-pad ink respectively, then (taper of plug and first is bored with dedicated dyeing inspection plug
The taper of hole 41 and the second taper hole 42 is equal) it is inserted into the taper hole of colored red stamp-pad ink, and guarantee that colouring plug is fully inserted into cone
Hole, then extracts plug, checks that plug outer round surface is stained with the area of red stamp-pad ink and whether is not less than 85%, and circumferentially not between
It is disconnected, it otherwise reams again, until qualified.
Optionally, machine-shaping is matched with the first taper hole 41 in the outer circle of the connection bolt 51 of each connection lock shaft group 50
First conical surface 501, with matched second conical surface 502 of the second taper hole 42, specifically includes the following steps:
Set and Positioning connects bolt 51.
Using process tool, simultaneous processing goes out first conical surface 501 and second conical surface 502 in the outer circle of connection bolt 51.
Dyeing inspection successively is carried out to each first conical surface 501 connected in 51 outer circle of bolt and second conical surface 502.
Specifically, using process tool, simultaneous processing goes out first conical surface 501 and the second cone in the outer circle of connection bolt 51
When face 502, is processed and connected using dedicated tooling cutter (taper is identical as the taper of first conical surface 501 and second conical surface 502)
First conical surface 501 and second conical surface 502 of bolt 51, then polishing is carried out to first conical surface 501 and second conical surface 502 respectively and is beaten
Mill, goes out first conical surface 501 and second conical surface 502 using process tool simultaneous processing, facilitates processing, is also convenient for guaranteeing first conical surface
501 and both second conical surfaces 502 taper and concentricity, both make taper equal and coaxial.Successively to each connection bolt 51 outside
When first conical surface 501 and second conical surface 502 on circle carry out dyeing inspection, band taper hole (taper and first conical surface 501 and second
The taper of the conical surface 502 is identical) dedicated taper hole gauge on the inside of be uniformly coated with red stamp-pad ink, the connection bolt 51 processed is inserted into
In the taper hole of colored red stamp-pad ink, and guarantee that connecting bolt 51 is fully inserted into taper hole, then extracts connection bolt, checks the first cone
Whether the area that face 501 and second conical surface 502 are stained with red stamp-pad ink is not less than 85%, and circumferentially uninterrupted, otherwise to first
The conical surface 501 and second conical surface 502 carry out reconditioning, until qualified.
Optionally, according to the dish axle connection structure of such as any of the above-described, Set and Positioning turbine wheel shaft 10, first turbine disk 20 and
When second turbine disk 30, check between turbine wheel shaft 10 and first turbine disk 20 beating degree of stitching surface and first turbine disk 20 and
Whether the beating degree of stitching surface is equal to or less than 0.01 between second turbine disk 30, if beating degree is greater than 0.01, then rotates first
The turbine disk 20 and/or the adjustment of second turbine disk 30, until the beating degree of stitching surface is equal to or less than 0.01.
Optionally, as shown in figure 4, successively connection bolt 51 is installed in mounting shaft hole 40 and tightens connection lock shaft group
When 50 locking member 52, specifically includes the following steps:
Connection bolt 51 is fitted into mounting shaft hole 40, and first conical surface 501 is made to be close to the inner wall of the first taper hole 41, second
The conical surface 502 is close to the inner wall of the second taper hole 42.
Whether the fit-up gap between 10 end face of bolt head 511 and turbine wheel shaft of detection connection bolt 51 is in 0.5mm~1mm
In range.
If fit-up gap is not within the scope of 0.5mm~1mm, then replaces connection bolt 51 and detect fit-up gap again, such as fill
With gap within the scope of 0.5mm~1mm, then tightening locking member 52 keeps the gap between 10 end face of bolt head 511 and turbine wheel shaft small
In 0.03mm.Specifically, when tightening locking member 52 makes the gap between 10 end face of bolt head 511 and turbine wheel shaft be less than 0.03mm,
Screw-down torque is 52Nm-55Nm.
Optionally, it before connection bolt 51 being successively installed in mounting shaft hole 40, further comprises the steps of:
To the first taper hole 41 and the second taper hole 42 in each mounting shaft hole 40, and first conical surface on each connection bolt 51
501 and second the conical surface 502 carry out dyeing inspection.Specifically, a: uniformly by the first taper hole 41 cut with scissors and 42 inside of the second taper hole
Colored red stamp-pad ink, then be inserted into the taper hole of colored red stamp-pad ink with dedicated dyeing inspection plug, and guarantee that plug is inserted completely
Enter taper hole, then extract plug, whether the area that inspection plug outer round surface is stained with red stamp-pad ink is not less than 85%, and circumferentially
Uninterruptedly, it otherwise reams again, until qualified.After 42 qualification of b: the first taper hole 41 and the second taper hole, then by 41 He of the first taper hole
It is uniformly coated with red stamp-pad ink on the inside of second taper hole 42, bolt 51 will be connected and be inserted into the taper hole of colored red stamp-pad ink, and guarantee to connect
Connecting bolt 51 is fully inserted into taper hole, then extracts connection bolt, checks first conical surface 501 and second conical surface on connection bolt
Whether 502 areas for being stained with red stamp-pad ink are not less than 85%, and circumferentially uninterrupted, otherwise to first conical surface 501 and the second cone
Face 502 carries out reconditioning, until qualified.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a seed disk shaft connection structure characterized by comprising
Turbine wheel shaft (10), first turbine disk (20) and second turbine disk (30) set gradually along axial direction, the turbine wheel shaft (10),
First turbine disk (20) and second turbine disk (30), which are equipped with, sequentially passes through the turbine wheel shaft (10), described along axial direction
Multiple mounting shaft holes (40) of first turbine disk (20) and second turbine disk (30), multiple mounting shaft holes (40) are along week
It is laid to successively interval；
Connection lock shaft group (50) is installed in each mounting shaft hole (40), the connection lock shaft group (50) is used for will be described
The axial direction connection of turbine wheel shaft (10), first turbine disk (20) and second turbine disk (30) along the mounting shaft hole (40)
And lock it is integral, the turbine wheel shaft (10) and first turbine disk (20) junction and first turbine disk (20) with
The inner wall of second turbine disk (30) junction, the outer circle and the mounting shaft hole (40) of connection lock shaft group (50) is equal
For cone match, with guarantee the turbine wheel shaft (10) and first turbine disk (20), first turbine disk (20) with it is described
Second turbine disk (30) is coaxially connected.
2. dish axle connection structure according to claim 1, which is characterized in that
The mounting shaft hole (40) includes connecting positioned at the turbine wheel shaft (10) and first turbine disk (20) junction and simultaneously
Both logical the first taper hole (41), and positioned at first turbine disk (20) and second turbine disk (30) junction and simultaneously
It is connected to second taper hole (42) of the two；
It is described connection lock shaft group (50) outer circle on be machined with matched first conical surface (501) of first taper hole (41),
And with matched second conical surface (502) of second taper hole (42)；
The turbine wheel shaft (10) and first turbine disk (20) pass through first taper hole (41) and first conical surface (501)
Cooperation it is coaxially connected, and first turbine disk (20) and second turbine disk (30) by second taper hole (42) with
The cooperation of second conical surface (502) is coaxially connected.
3. dish axle connection structure according to claim 2, which is characterized in that
The taper of both first taper hole (41) and second taper hole (42) is equal, and first taper hole (41) and described
Second taper hole (42) is that along the connection lock shaft group (50) to wear the mounting shaft hole (40) direction diminishing in aperture
Bellmouth.
4. dish axle connection structure according to claim 2, which is characterized in that
First conical surface (501) and first taper hole (41), second conical surface (502) and second taper hole (42) point
It is not interference fitted.
5. dish axle connection structure according to claim 2, which is characterized in that
Connection lock shaft group (50) includes the connection bolt (51) being installed in the mounting shaft hole (40), the connection spiral shell
The end of turbine wheel shaft (10) described in bolt head (511) contact of bolt (51)；
First conical surface (501) and second conical surface are successively arranged on the screw rod (512) of connection bolt (51)
(502), the screw rod (512) be pierced by the mounting shaft hole (40) afterwards be installed on the screw rod (512) and described in contact
The locking member (52) of two turbine disks (30) end is threadedly coupled, and the locking member (52) is used in the connection bolt (51) along institute
It states mounting shaft hole (40) axis direction and connects the turbine wheel shaft (10), first turbine disk (20) and second turbine disk
(30) after that the turbine wheel shaft (10), first turbine disk (20) and second turbine disk (30) three locking is integral.
6. the method for processing and assembling of a seed disk shaft connection structure, which comprises the following steps:
The machine-shaping first in each mounting shaft hole (40) of turbine wheel shaft (10), first turbine disk (20) and second turbine disk (30)
Taper hole (41) and the second taper hole (42), and it is each connection lock shaft group (50) connection bolt (51) outer circle on machine-shaping with
Matched first conical surface (501) of first taper hole (41) and the second taper hole (42) matched second conical surface (502)；
According to dish axle connection structure of any of claims 1-5, Set and Positioning turbine wheel shaft (10), first turbine disk
(20) and second turbine disk (30)；
The locking member (52) that bolt (51) are installed in mounting shaft hole (40) and tighten connection lock shaft group (50) will be successively connected,
Turbine wheel shaft (10), first turbine disk (20), second turbine disk (30) and connection lock shaft group (50) are assembled into the dish axle
Connection structure.
7. the method for processing and assembling of dish axle connection structure according to claim 6, which is characterized in that turbine wheel shaft (10),
The first taper hole of machine-shaping (41) and the second cone in each mounting shaft hole (40) of first turbine disk (20) and second turbine disk (30)
Hole (42), specifically includes the following steps:
Set and Positioning turbine wheel shaft (10), first turbine disk (20) and second turbine disk (30)；
First taper hole (41) and the second taper hole (42) are cut with scissors out using reaming knife simultaneously in each mounting shaft hole (40)；
Successively in each mounting shaft hole (40) the first taper hole (41) and the second taper hole (42) carry out dyeing inspection.
8. the method for processing and assembling of dish axle connection structure according to claim 6, which is characterized in that in each connection lock shaft
Machine-shaping and the first taper hole (41) matched first conical surface (501) and second in the outer circle of the connection bolt (51) of group (50)
Matched second conical surface (502) of taper hole (42), specifically includes the following steps:
Set and Positioning connects bolt (51)；
Using process tool, simultaneous processing goes out first conical surface (501) and second conical surface (502) in the outer circle of connection bolt (51)；
Dyeing inspection successively is carried out to each first conical surface (501) connected in bolt (51) outer circle and second conical surface (502).
9. the method for processing and assembling of dish axle connection structure according to claim 6, which is characterized in that
According to dish axle connection structure of any of claims 1-5, Set and Positioning turbine wheel shaft (10), first turbine disk
(20) and when second turbine disk (30) beating degree of stitching surface and the, are checked between turbine wheel shaft (10) and first turbine disk (20)
Whether the beating degree of stitching surface is equal to or less than 0.01 between one turbine disk (20) and second turbine disk (30), as beating degree is greater than
0.01, then first turbine disk (20) and/or second turbine disk (30) adjustment are rotated, until the beating degree of stitching surface is equal to or less than
0.01。
10. the method for processing and assembling of dish axle connection structure according to claim 6, which is characterized in that will successively connect spiral shell
When bolt (51) is installed in mounting shaft hole (40) and tightens locking member (52) of connection lock shaft group (50), following step is specifically included
It is rapid:
Will connection bolt (51) is fitted into mounting shaft hole (40), and make first conical surface (501) abutting the first taper hole (41) inner wall,
Second conical surface (502) is close to the inner wall of the second taper hole (42)；
Detection connection bolt (51) bolt head (511) and turbine wheel shaft (10) end face between fit-up gap whether 0.5mm~
Within the scope of 1mm；
If fit-up gap is not within the scope of 0.5mm~1mm, then replaces connection bolt (51) and detect fit-up gap again, such as assemble
It is then tightened between locking member (52) makes between bolt head (511) and turbine wheel shaft (10) end face within the scope of 0.5mm~1mm in gap
Gap is less than 0.03mm.
11. the method for processing and assembling of dish axle connection structure according to claim 6, which is characterized in that will successively connect spiral shell
Before bolt (51) is installed in mounting shaft hole (40), further comprise the steps of:
To the first taper hole (41) and the second taper hole (42) in each mounting shaft hole (40), and respectively connect the first cone on bolt (51)
Face (501) and second conical surface (502) carry out dyeing inspection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811413947.XA CN109268473A (en) | 2018-11-26 | 2018-11-26 | The method for processing and assembling of dish axle connection structure and dish axle connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811413947.XA CN109268473A (en) | 2018-11-26 | 2018-11-26 | The method for processing and assembling of dish axle connection structure and dish axle connection structure |
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| Publication Number | Publication Date |
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| CN109268473A true CN109268473A (en) | 2019-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811413947.XA Pending CN109268473A (en) | 2018-11-26 | 2018-11-26 | The method for processing and assembling of dish axle connection structure and dish axle connection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997013A (en) * | 2021-10-29 | 2022-02-01 | 广州文冲船厂有限责任公司 | Rudder stock cone fitting method |
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