CN107576243B - The tenon tooth clamping and positioning device of aero-engine power turbine working-blade - Google Patents
The tenon tooth clamping and positioning device of aero-engine power turbine working-blade Download PDFInfo
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- CN107576243B CN107576243B CN201710785143.1A CN201710785143A CN107576243B CN 107576243 B CN107576243 B CN 107576243B CN 201710785143 A CN201710785143 A CN 201710785143A CN 107576243 B CN107576243 B CN 107576243B
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Abstract
The invention discloses a kind of tenon tooth clamping and positioning devices of aero-engine power turbine working-blade, including the pedestal supported and fixed for bottom, be connected with the positioning seat for clamping blade tenon tooth on pedestal, positioning seat include for from side to the fixation female part of tongue-and-groove grafting clamping blade tenon tooth and for sliding to form tenon tooth slot side set with the active chuck of stationary positioned blade to be measured relative to fixed female part after blade tenon tooth clamping；It is offered in the middle part of fixed female part for grafting active chuck and active chuck is made to fix the sliding channel slid in female part；Fixed female part has through sliding channel and is used for the first tenon tooth slot and the second tenon tooth slot of grafting clamping blade tenon tooth, active chuck has the third tenon tooth slot for grafting clamping blade tenon tooth, and the first tenon tooth slot, the second tenon tooth slot and third tenon tooth slot constitute the continuous tenon tooth slot of perforation and match with blade tenon tooth outline.One group of parallel chucking power is formed, guarantees the accuracy of subsequent detection data.
Description
Technical field
The present invention relates to blade of aviation engine detection technique fields, particularly, are related to a kind of aeroplane engine mechanomotive force whirlpool
Take turns the tenon tooth clamping and positioning device of working-blade.
Background technique
Crucial precision part of the aero-engine power turbine working-blade as aero-engine, it is crucial to the positioning of blade
The processing quality of position tenon tooth and integral shroud has high requirement, and the design principle of measuring tool is that positioning datum must be with technique base
Quasi- consistent, in power turbine working-blade process, many processes will be using tenon tooth as positioning datum.Especially grind integral shroud
The process of listrium, because sawtooth, on integral shroud, opposite tenon tooth has arm length, as long as tenon tooth positioning slightly gap or deflection when measurement
The measurement error of measured size will be amplified, as long as so thering is tenon tooth positioning method to be able to satisfy integral shroud listrium grinder process measurement essence
Degree requires, and is also just able to satisfy the required precision of other process, and power turbine working-blade is only used in engine assembly
Tenon tooth positioning.
The tenon tooth positioning device of existing power turbine working-blade, general multipoint positioning using integral shroud and tenon tooth and
The grafting of tenon tooth positions.First way, be easy due to multiple anchor points machining deviation, cause entire blade benchmark and its
The data deviation of subsequent detection；The second way, there are gaps due to being easy between tenon tooth and positioning device, and blade is existed
Still it is easy to produce the position deviations such as swing after positioning, be easy to cause subsequent detection data error.
Summary of the invention
The present invention provides a kind of tenon tooth clamping and positioning devices of aero-engine power turbine working-blade, existing to solve
The tenon tooth positioning device of dynamic moving turbine blade leads to leaf due to the gap after the deviation or Set and Positioning of anchor point
The technical issues of data error of piece detection.
The present invention provides a kind of tenon tooth clamping and positioning device of aero-engine power turbine working-blade, including is used for bottom
The pedestal that portion supports and fixes, is connected with the positioning seat for clamping blade tenon tooth on pedestal, positioning seat include for from side to
The fixation female part of tongue-and-groove grafting clamping blade tenon tooth and for sliding shape relative to fixed female part after blade tenon tooth clamping
At tenon tooth slot side set with the active chuck of stationary positioned blade to be measured；It offers in the middle part of fixed female part for grafting active chuck
And the sliding channel for sliding active chuck in fixed female part；Fixed female part has through sliding channel and is used for grafting
The the first tenon tooth slot and the second tenon tooth slot of clamping blade tenon tooth, active chuck have the third tenon for grafting clamping blade tenon tooth
Tooth socket, the first tenon tooth slot, the second tenon tooth slot and third tenon tooth slot constitute the continuous tenon tooth slot of perforation and with blade tenon tooth outline
Match.
Further, active chuck and fixed female part are assembled using the cooperation of rectangle gapless slippage, with guarantee activity folder
Head is in sliding channel along single rectilinear direction smooth motion.
Further, active chuck end is provided for facilitating in loading sliding channel and prevent and sliding vias inner walls
The curved corner or tapered end of face collision.
Further, the thickness of active chuck is greater than or equal to the blade tenon transverse tooth thickness degree of one third.
Further, the end vertical of active chuck is equipped with straight pin in active chuck plate face, and positioning seat, which is externally provided with, to be used for
It drives straight pin and active chuck is pulled to form the adjusting spiral shell of tenon tooth slot side set along the glide direction motor adjustment of active chuck
Mother, adjusting nut Screw assembly is in outside positioning seat.
Further, the end of active chuck is connected with the pull rod extending out to outside positioning seat, active chuck and positioning seat it is interior
Equipped with for pushing active chuck towards fixed female part direction to form the first elastic component of tenon tooth slot side set between wall surface；
Or the end of active chuck is connected with the mandril extending out to outside positioning seat, fills between the overhanging end of mandril and the outside wall surface of positioning seat
Have for pulling active chuck towards mandril direction to form the second elastic component of tenon tooth slot side set.
Further, the side in the first tenon tooth slot by fixed female part outer end face is equipped with for tight with blade tenon increment face
By the first block piece or the second tenon tooth to limit the grafting range of protrusion in blade tenon tooth grafting clamping to the first tenon tooth slot
It is equipped with by the side of fixed female part outer end face for abutting with blade tenon increment face to limit blade tenon tooth grafting clamping in slot
Second block piece of the grafting range of protrusion in the second tenon tooth slot.
Further, the first block piece and/or the second block piece are using at least one of block, backing pin or baffle.
Further, it is additionally provided on pedestal for installing dial framework and carrying out to table as Blade measuring datum level to table
Block, the clamping direction of positioning seat blade tenon tooth is towards laying to the side of table block；Upper surface angle and leaf to be measured to table block
The element to be measured of piece is consistent.
Further, base bottom is offered for facilitating the notch that pedestal assembly is fixed and carries, notch top pair
It should be in upper cavity.
The invention has the following advantages:
The tenon tooth clamping and positioning device of aero-engine power turbine working-blade of the present invention, by fixed female part
Third tenon tooth slot on first tenon tooth slot and the second tenon tooth slot and active chuck, which is constituted, is used for lateral grafting clamping blade to be measured
Blade tenon tooth perforation tenon tooth slot, it is sliding in the sliding channel of fixed female part by active chuck after blade tenon tooth clamping
It is dynamic, it forms third tenon tooth slot and produces side set between the first tenon tooth slot and the second tenon tooth slot respectively and generate parallel chucking power, pass through
Side set clamps blade tenon tooth in parallel, thus between realization grips blade tenon tooth and eliminates between blade tenon tooth and tenon tooth slot
Phenomena such as gap, the blade to be measured after avoiding clamping fixed is swung, guarantee the accuracy of the detection data of blade to be measured.Due to
Active chuck is in the middle part of fixed female part, thus side set chucking power stepless action caused by active chuck sliding motion in
In the middle part of the end face of blade tenon tooth and in the middle part of side wall surface, and one group of parallel chucking power is formed, the stabilization clamping for forming blade is fixed fixed
Position avoids generating deflection, bias and deflecting action power to blade, it is ensured that and the clamping angle of blade to be measured does not change, thus
Guarantee the accuracy of subsequent detection data.The blade clamping detection with tenon tooth suitable for various structures and various sizes size.
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 tenon tooth clamping and positioning device of the aero-engine power turbine working-blade of the preferred embodiment of the present invention
Blade tenon tooth clamping structure schematic diagram；
Fig. 2 is the tenon tooth clamping and positioning device of the aero-engine power turbine working-blade of the preferred embodiment of the present invention
Structural schematic diagram；
Fig. 3 is the tenon tooth clamping and positioning device of the aero-engine power turbine working-blade of the preferred embodiment of the present invention
Hide the structural schematic diagram of positioning seat；
Fig. 4 is the structural schematic diagram of the positioning seat of the preferred embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the rod-pulling type active chuck of the preferred embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the post rod type active chuck of the preferred embodiment of the present invention.
Marginal data:
1, pedestal；2, positioning seat；201, fixed female part；2011, the first tenon tooth slot；2012, the second tenon tooth slot；2013,
First block piece；2014, the second block piece；202, active chuck；2021, third tenon tooth slot；203, channel is slid；204, cylinder
Pin；205, adjusting nut；206, pull rod；207, the first elastic component；208, mandril；209, the second elastic component；3, to table block；4, it lacks
Mouthful.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited by following and
The multitude of different ways of covering is implemented.
Fig. 1 is the tenon tooth clamping and positioning device of the aero-engine power turbine working-blade of the preferred embodiment of the present invention
Blade tenon tooth clamping structure schematic diagram；Fig. 2 is the tenon of the aero-engine power turbine working-blade of the preferred embodiment of the present invention
The structural schematic diagram of tooth clamping and positioning device；Fig. 3 is the aero-engine power turbine working-blade of the preferred embodiment of the present invention
Tenon tooth clamping and positioning device hiding positioning seat structural schematic diagram；Fig. 4 is the knot of the positioning seat of the preferred embodiment of the present invention
Structure schematic diagram；Fig. 5 is the structural schematic diagram of the rod-pulling type active chuck of the preferred embodiment of the present invention；Fig. 6 is of the invention preferred real
Apply the structural schematic diagram of the post rod type active chuck of example.
As depicted in figs. 1 and 2, the tenon tooth Set and Positioning dress of the aero-engine power turbine working-blade of the present embodiment
It sets, including the pedestal 1 supported and fixed for bottom, the positioning seat 2 for clamping blade tenon tooth is connected on pedestal 1, position
Seat 2 include for from side to the fixation female part 201 of tongue-and-groove grafting clamping blade tenon tooth and for phase after blade tenon tooth clamping
Tenon tooth slot side set is formed with the active chuck 202 of stationary positioned blade to be measured for the fixed sliding of female part 201；Fixed female part
201 middle parts offer for grafting active chuck 202 and the sliding that slides active chuck 202 in fixed female part 201 it is logical
Road；Fixed female part 201 has through sliding channel and is used for the first tenon tooth slot 2011 and second of grafting clamping blade tenon tooth
Tenon tooth slot 2012, active chuck 202 have the third tenon tooth slot 2021 for grafting clamping blade tenon tooth, the first tenon tooth slot
2011, the second tenon tooth slot 2012 and third tenon tooth slot 2021 constitute perforation continuous tenon tooth slot and with blade tenon tooth outline phase
Match.The tenon tooth clamping and positioning device of aero-engine power turbine working-blade of the present invention passes through the in fixed female part 201
Third tenon tooth slot 2021 on one tenon tooth slot 2011 and the second tenon tooth slot 2012 and active chuck 202, which is constituted, is used for lateral grafting
The perforation tenon tooth slot of the blade tenon tooth of clamping blade to be measured, after blade tenon tooth clamping, by active chuck 202 in fixed female part
Slided in 201 sliding channel, formed third tenon tooth slot 2021 respectively with the first tenon tooth slot 2011 and the second tenon tooth slot 2012 it
Between produce side set and generate parallel chucking power, clamp blade tenon tooth in parallel by side set, thus realize grip blade tenon tooth with
And gap between blade tenon tooth and tenon tooth slot is eliminated, and phenomena such as blade to be measured after avoiding clamping fixed is swung, guarantee
The accuracy of the detection data of blade to be measured.Since active chuck 202 is in the middle part of fixed female part 201, activity folder
Side set chucking power stepless action caused by first 202 sliding motion is in the middle part of the end face of blade tenon tooth and in the middle part of side wall surface, and shape
At one group of parallel chucking power, the stabilization clamping stationary positioned of blade is formed, avoids generating deflection, bias and deflecting action to blade
Power, it is ensured that the clamping angle of blade to be measured does not change, to guarantee the accuracy of subsequent detection data.Suitable for various knots
The blade clamping detection with tenon tooth of structure and various sizes size.First tenon tooth slot 2011, the second tenon tooth slot 2012 and third
The flute profile of tenon tooth slot 2021 matches with blade tenon tooth.Optionally, the first tenon tooth slot 2011, the second tenon tooth slot 2012 and
Three tenon tooth slots, 2021 three abuts the tenon tooth slot for forming perforation by plate, or is cooperatively formed using the socket of circular hole and cylinder
Perforation tenon tooth slot, perhaps using elliptical aperture and cylindroid be socketed the tenon tooth slot of perforation cooperatively formed or using three
The tenon tooth slot for the perforation that the socket of prism hole and triangular prism cooperatively forms, or the socket using polygon post holes and polygon column
The tenon tooth slot of the perforation cooperatively formed.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, in the present embodiment, active chuck 202 and fixed female part 201
Cooperated using rectangle gapless slippage and assembled, to guarantee that active chuck 202 is steady along single rectilinear direction in sliding channel 203
Movement.Avoid blade deflection caused by deflecting in 202 slipping of active chuck.Optionally, active chuck 202 can also
With use other shapes of the front end with third tenon tooth slot 2021, can using tri-prismoid, cylindrical body, square body, rectangular cylinder,
The various polygon column structures such as trapezoid cylinder, pentagonal prism body, hexagonal prism.Corresponding sliding channel 203 can also using with
The corresponding tri-prismoid of active chuck 202, cylindrical body, square body, rectangular cylinder, trapezoid cylinder, pentagonal prism body, hexagonal prism
Etc. various polygon column structures.Optionally, the inner surface in 202 outer surface of active chuck and/or sliding channel 203 is equipped with along axis
To the guide groove or guiding rib or gib block of distribution, so that active chuck 202 only can be along axial list in sliding channel 203
One track carries out sliding straightly movement, will not deflect, to guarantee the efficiency and accuracy of subsequent parts detection or measurement.
As shown in Figure 3, Figure 5 and Figure 6, in the present embodiment, 202 end of active chuck is provided for facilitating loading sliding logical
In road 203 and prevent the curved corner or tapered end that collide with sliding 203 inner wall of channel.The dress of portable propelling collet 202
Match, avoids that collision to each other occurs.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5 and Fig. 6, in the present embodiment, the thickness of active chuck 202 is greater than or equal to three points
One of blade tenon transverse tooth thickness degree.While guaranteeing that the sliding of active chuck 202 generates chucking power relative to fixed 201 side set of female part
The recurring structure of active chuck 202 itself is avoided to deform.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, the end vertical of active chuck 202 is in active chuck 202
Plate face is equipped with straight pin 204.Positioning seat 2 is externally provided with for driving straight pin 204 and pulling active chuck 202 along active chuck
202 glide direction motor adjustment is to form the adjusting nut 205 of tenon tooth slot side set.205 Screw assembly of adjusting nut is in positioning
Outside seat 2.Adjusting nut 205 is adjusted by the thread to form axial movement, and straight pin 204 is driven to pull active chuck 202 is axial to move
It is dynamic, so that forming third tenon tooth slot 2021 generates chucking power with the first tenon tooth slot 2011 and 2012 side set of the second tenon tooth slot respectively.
As shown in figure 5, the end of active chuck 202 is connected with the pull rod 206 extending out to outside positioning seat 2 in the present embodiment, it is living
Equipped with for pushing active chuck 202 towards fixed 201 direction of female part between dynamic collet 202 and the inner wall of positioning seat 2
To form the first elastic component 207 of tenon tooth slot side set.By pulling pull rod 206 to make third tenon tooth slot 2021 and the first tenon tooth slot
2011 and second tenon tooth slot 2012 be in breakthrough status, thus clamping blade tenon tooth.Come loose pull rod 206 after clamping, so that
Third tenon tooth slot 2021 generates chucking power with the first tenon tooth slot 2011 and 2012 side set of the second tenon tooth slot respectively and grips blade
Tenon tooth, so that blade stationary positioned.Optionally, the end of active chuck 202 is connected with the mandril extending out to outside positioning seat 2
208, between the overhanging end of mandril 208 and the outside wall surface of positioning seat 2 equipped with for by active chuck 202 towards 208 direction of mandril
It pulls to form the second elastic component 209 of tenon tooth slot side set, as shown in Figure 6.By pushing mandril 208 to make third tenon tooth slot
2021 and first tenon tooth slot 2011 and the second tenon tooth slot 2012 be in breakthrough status, thus clamping blade tenon tooth；After clamping
Come loose mandril 208, so that third tenon tooth slot 2021 generates folder with the first tenon tooth slot 2011 and 2012 side set of the second tenon tooth slot respectively
Holding force grips blade tenon tooth, so that blade stationary positioned.Full automatic clamping clamping may be implemented, stability is high,
Detection accuracy is high.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, by fixed 201 outer end of female part in the first tenon tooth slot 2011
The side in face is equipped with for abutting with blade tenon increment face to limit in blade tenon tooth grafting clamping to the first tenon tooth slot 2011
First block piece 2013 of grafting range of protrusion.Optionally, by the one of fixed 201 outer end face of female part in the second tenon tooth slot 2012
Side, which is equipped with, is stretched for abutting with blade tenon increment face with limiting the grafting in blade tenon tooth grafting clamping to the second tenon tooth slot 2012
Enter the second block piece 2014 of range.Blade tenon tooth is packed into from the second tenon tooth slot 2012 and touches the first block piece 2013, or
Person is packed into blade tenon tooth from the first tenon tooth slot 2011 and touches the second block piece 2014, that is, determines blade tenon tooth clamping in place,
Then the sliding side set of active chuck 202 can be carried out and generate the parallel chucking power to blade tenon tooth, be conducive to improve to be measured
The clamping speed of blade.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, the first block piece 2013 and/or the second block piece 2014 are adopted
With at least one of block, backing pin or baffle.Different block pieces can be selected according to blade construction and size, it is convenient
The structure fabrication of positioning device facilitates the clamping of blade tenon tooth.
As shown in Figure 1, Figure 2 and Figure 3, it in the present embodiment, is additionally provided on pedestal 1 for installing dial framework and as Blade measuring
Datum level is carried out to table to table block 3.The clamping direction of 2 blade tenon tooth of positioning seat is towards laying to the side of table block 3.To table
The upper surface angle of block 3 and the element to be measured of blade to be measured are consistent.It is convenient that blade to be measured after clamping is detected, side
Just the establishment of datum level and the foundation of the frame of reference.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, 1 bottom of pedestal offer for facilitate the assembly of pedestal 1 fixed with
And the notch 4 carried, 4 top of notch correspond to upper cavity.
When implementation, a kind of tenon tooth clamping and positioning device of aero-engine power turbine working-blade is provided, comprising:
Pedestal 1: it is the basic components of the present apparatus, plays the role of supporting and fixing, pass through interior hexagonal
Screw and straight pin are connect with positioning seat 2；It is connect by soket head cap screw and straight pin with to table block 3, two is diagonal
Handgrip when 45 degree of simple notch 4 designs measuring tool easy to carry.Its material is 45# steel, and surface hardness is HRC35~40, tool
There is certain rigidity.
Positioning seat 2: being the main element of present apparatus positioning mechanism, and measured workpiece blade is matched by the tongue-and-groove gap with it
It closes, is close to backing pin (the first block piece 2013 or the second block piece 2014), mobile active chuck 202, the tongue-and-groove of the two generates wrong
Position has the function that positioning is fixed.The tongue-and-groove of positioning seat 2 is inclined outward along normal direction again by the maximum solid type face of blade tenon tooth to be measured
0.018mm design is moved, the surface profile of channel profile is not more than 0.015mm, and type face is symmetrical about center line.Its material is
CrWMn, surface hardness be HRC58~62, it is wear-resisting and have certain rigidity.
Active chuck 202: being the main element of the retaining mechanism of the present apparatus, forms the assembling of rectangle sliding fit with positioning seat 2,
The tongue-and-groove Combined machining of tongue-and-groove and positioning seat thereon forms, and blade to be measured is put into when two tongue-and-grooves are concordant, passes through side clockwise
To turn adjusting nut 205 drive the straight pin 204 that is connect with active chuck 202 achieve the purpose that with 2 side set of positioning seat, thus
Play the role of locking workpiece.Its material be CrWMn, surface hardness be HRC58~62, it is wear-resisting and have certain rigidity.
Backing pin (the first block piece 2013 or the second block piece 2014): being the accessory of positioning mechanism, on baffle
The hole of designated position is interference fitted, and tested vane end faces are close to it and achieve positioning.Its material is CrWMn, and surface is hard
Degree be HRC58~62, it is wear-resisting and have certain rigidity.
Baffle (the first block piece 2013 or the second block piece 2014): being the supporting support assemblies of positioning mechanism, with positioning
Seat 2 is connected by slotted countersunk flat head screw, and the centre of tongue-and-groove is located at the hole of backing pin interference fit, guarantees backing pin and tested blade end
The position that face rests against.Its material is 45# steel, and surface hardness is HRC35~40, has certain rigidity.
Slotted countersunk flat head screw: being universal standard part, shares two pieces, and specification is M3 × 8GB/T 68-2000, plays connection gear
The effect of plate and positioning seat.
To table block 3: being the auxiliary measurement component of the present apparatus, connect by straight pin and soket head cap screw with pedestal 1.It
Function is to place dial framework to use table, and the angle of its upper surface and the element to be measured of workpiece are consistent, actually one mark
Directrix plane, to guarantee measurement accuracy, the surface profile in this face is not more than 0.005mm, its material is 20# steel, and surface hardness is
HRC58~52, carburizing deep 0.8~1.2mm are wear-resisting and have certain rigidity.
Adjusting nut 205: being the power transmission member of present apparatus retaining mechanism, is connect, is turned with positioning seat 2 by screw thread
It drives straight pin 204 to drive the movement of active chuck 202 to form side set, achievees the purpose that locking, its surface band reticulate pattern
Increase friction convenient for manual.Its material is 45# steel, and surface hardness is HRC35~40, has certain rigidity.
Straight pin 204: being universal standard part, shares 1, specification is 4 × 35GB/T 119.2-2000, connection activity folder
First 202, adjusting nut 205, plays the role of transmission force.
Hexagon socket cap head screw: being universal standard part, shares two pieces, and specification is M5 × 25GB/T 70.1-2000, rises
To the effect of connection pedestal 1 and positioning seat 2.
Straight pin: being universal standard part, shares two pieces, and specification is 4 × 26GB/T 119.2-2000, plays connection pedestal 1
With the effect of positioning seat 2.
Hexagon socket cap head screw: being universal standard part, shares two pieces, and specification is M8 × 30GB/T 70.1-2000, rises
To connection pedestal and the effect to table block 3.
Straight pin: being universal standard part, shares two pieces, and specification is 6 × 28GB/T 119.2-2000, plays connection pedestal 1
With the effect to table block 3.
Tenon tooth clamping and positioning device is placed on platform, to the tenon of blade to be measured and the positioning tongue-and-groove of positioning device before measurement
It is cleaned, removes extra iron filings and dust, first is packed into the direction rotating adjusting nut 205 in accordance with the instructions of positioning seat 2 to table part
Locking is placed on dial framework on table block 3, and gauge outfit is contacted to the index plane on table part, and dial gauge is to 0；Again being taken off to table part,
By the instruction of " leaf basin is upward " of branding on positioning seat 2, the tenon tooth for the blade to be measured is packed into simultaneously along the tongue-and-groove of positioning seat 2
Against backing pin, then rotating part adjusting nut 205 drives active chuck 202 to form dislocation locking-blade, blade install after again right
Dial framework is dragged on table block 3 beats the table teeth sizes to be measured, the reading on table and the sum of the measured value of branding to table part
The as actual value of measured size.
Tenon tooth clamping and positioning device of the present invention is devised double by the positioning method of simulation power turbine working-blade assembly
Slot side set positioning device, be utilized fit clearance between the tenon tooth of part to be measured and the positioning tongue-and-groove of positioning device from have to
Without achieving the purpose that position completely, principle is simple, easy to operate, after coming into operation, efficiently solves integral shroud listrium and sawtooth
The problem of dimensional measurement hardly possible, resetting is reliable and stable, and measurement result consistency is good, meets technique requirement, and meeting production needs
It wants, is worthy of popularization.By the way of the positioning of double flute side set, human error is also eliminated, better assures that the essence of measurement
True property.Not only it is convenient for manufacturing but also can guarantee the rigidity of each slot for rectangle gapless slide fit between positioning seat 2 and active chuck 202, from
And ensure that the stability of resetting, it is not more than 0.005mm using repeatable accuracy through scene.
The assembled state of tenon tooth clamping and positioning device of the present invention simulation blade, is only positioned with tenon tooth, thus design two with
The positioning tongue-and-groove (the first tenon tooth slot 2011, the second tenon tooth slot 2012, third tenon tooth slot 2021) of tenon tooth cooperation.To guarantee blade tenon
The accurate stability of tooth positioning, the design for positioning the fit clearance between tongue-and-groove and blade tenon tooth to be measured must be reasonable, is guaranteeing
Blade is small as best one can under the premise of capable of being smoothly packed into, while to consider to position the foozle of tongue-and-groove, two tongue-and-groove (the first tenon tooths
Slot 2011 and the second tenon tooth slot 2012 and third tenon tooth slot 2021) must Combined machining, for guarantee both robust motion
And anufacturability, the two use rectangle gapless sliding fit.Present invention is mainly used on measuring tool, it is accurate to measure for raising
Property, human error is eliminated most possibly, and the hand of discard old device presses method, and the mesh of locking is reached using the dislocation of two tongue-and-grooves
's；When the present invention is in order to detect workpiece, it is laborsaving, convenient, fast, operator can not can complete manually by other tool
The handling of workpiece；Present invention is mainly used for table measurement workpiece size is beaten, to be used cooperatively with dial framework, to table part, so must examine
Consider the placement of dial framework and to table problem.
Tenon tooth clamping and positioning device of the present invention, using pure rigid grasp no elastic deformation, outer tongue-and-groove (the first tenon tooth slot
2011, the second tenon tooth slot 2012) be positioning body, be it is fixed, interior tongue-and-groove (third tenon tooth slot 2021) be compress force section
Part, it is movable, but since the two is rectangle cooperation, four direction requires gapless sliding fit, only allows a side
Force clamps workpiece upwards, and the terminal that it is moved is exactly to be bonded the working face of workpiece and the corresponding surface of outer tongue-and-groove, and this square
It is easier to ensure that in shape cooperation opposed cylindrical cooperation manufacture, so its repeated clamping positioning consistency is fine.Because of blade
Tenon it is small, precision is high, and tooling manufacture difficulty is big, to solve the problems, such as its Set and Positioning, it is main or to be manufactured from tooling and
Start in calibrating, so the device designs tongue-and-groove in rectangular sheet, has both been conducive to tooling processing positioning, has been also convenient for tooling inspection
It is fixed, the method for the projective amplification of blade tenon tooth inspection can be used, microexamination can also be used.Blade tenon only have 11mm~
13mm long is more advantageous to positioning and clamping structure is distributed using rectangular sheet；Collet is that guidance tenon tooth moves in tongue-and-groove, directly
To being bonded with the corresponding surface of positioning body tongue-and-groove, then be threaded locking, clamping length need to only account for tenon tooth length three/
One, and be set among tongue-and-groove and be more conducive to balance force, positioning position be Set and Positioning main body account for tenon tooth length three/
Two, the both ends for being distributed in tenon tooth are more conducive to positioning stablity balance.To guarantee that this two-part rigidity keeps tongue-and-groove indeformable, tenon tooth is wide
Degree direction can suitably thicken.
Tenon tooth clamping and positioning device of the present invention, the design of tenon tooth location structure
(1) tenon tooth location structure scheme is determined
By above-mentioned analysis, to guarantee to examine qualified part to meet matching requirements by measuring tool, tenon tooth location structure must
Blade assembled state must be simulated, is positioned using full tenon tooth, it must be using mechanical compression to reduce human error.To be kept with assembly
Unanimously, remove auxiliary positioning point or face in addition to tenon tooth with technique negotiation；To reduce manufacture difficulty, the accurate of measurement result is improved
Property, blade must be designed, table part is used cooperatively with measuring tool.
(2) measuring tool is designed
According to fixed locating scheme, it is more that the design difficulty of this measuring tool scheme is that the fit clearance of tenon tooth and locating slot takes
Few suitable, the gap minimum that both should guarantee guarantees that tested part can be put into again, by analysis to tenon Profile of AT and right
The investigation of the existing accuracy of manufacture determines that the type face of positioning tongue-and-groove faces out normal direction offset 0.01mm design, tongue-and-groove by tenon tooth type
The surface profile in type face is not more than 0.015, guarantees that the fit clearance of tongue-and-groove and tenon tooth is 0.005~0.01mm.Again by reasonable
Position gap of the compressing structure both to eliminate, reach positioning and clamp purpose.
Tenon tooth clamping and positioning device of the present invention is devised by the positioning method of simulation power turbine working-blade assembly
The fit clearance between the tenon tooth of tested part and the positioning tongue-and-groove of measuring tool is utilized from having nothing in double flute side set positioning device
Achieving the purpose that position completely, principle is simple, and it is easy to operate, after coming into operation, efficiently solve integral shroud listrium and sawtooth ruler
The difficult problem of very little measurement, resetting is reliable and stable, and measurement result consistency is good, meets technique requirement, meets production needs,
It is worthy of popularization.By the way of the positioning of double flute side set, human error is also eliminated, better assures that the accurate of measurement
Property.Not only it is convenient for manufacturing but also can guarantee the rigidity of each slot for rectangle gapless slide fit between positioning seat and collet, to ensure that weight
The stability positioned again is not more than 0.005mm using repeatable accuracy through scene.
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 (10)
1. a kind of tenon tooth clamping and positioning device of aero-engine power turbine working-blade, including supported and fixed for bottom
Pedestal (1),
The positioning seat (2) for clamping blade tenon tooth is connected on the pedestal (1),
It is characterized in that,
The positioning seat (2) includes for from side to the fixation female part (201) of tongue-and-groove grafting clamping blade tenon tooth and being used for
Tenon tooth slot side set is formed with stationary positioned blade to be measured relative to fixed female part (201) sliding after blade tenon tooth clamping
Active chuck (202)；
It offers for active chuck described in grafting (202) in the middle part of the fixed female part (201) and makes the active chuck
(202) the sliding channel (203) slid in the fixed female part (201)；
The fixed female part (201) has through sliding channel (203) and is used for the first of grafting clamping blade tenon tooth
Tenon tooth slot (2011) and the second tenon tooth slot (2012),
The active chuck (202) has the third tenon tooth slot (2021) for grafting clamping blade tenon tooth,
The first tenon tooth slot (2011), the second tenon tooth slot (2012) and the third tenon tooth slot (2021) constitute perforation
Continuous tenon tooth slot and match with blade tenon tooth outline.
2. the tenon tooth clamping and positioning device of aero-engine power turbine working-blade according to claim 1, feature
It is,
The active chuck (202) and the fixed female part (201) are assembled using the cooperation of rectangle gapless slippage, to guarantee
Active chuck (202) is stated in the sliding channel (203) along single rectilinear direction smooth motion.
3. the tenon tooth clamping and positioning device of aero-engine power turbine working-blade according to claim 2, feature
It is,
Active chuck (202) end is provided for facilitating and is packed into the sliding channel (203) and prevents and the cunning
The curved corner or tapered end of Mobile Communication road (203) inner wall collision.
4. the tenon tooth clamping and positioning device of aero-engine power turbine working-blade according to claim 1, feature
It is,
The thickness of the active chuck (202) is greater than or equal to the blade tenon transverse tooth thickness degree of one third.
5. the tenon tooth clamping and positioning device of aero-engine power turbine working-blade according to claim 1, feature
It is,
The end vertical of the active chuck (202) is equipped with straight pin (204) in the active chuck (202) plate face,
The positioning seat (2) is externally provided with for driving the straight pin (204) and pulling the active chuck (202) along the work
The glide direction motor adjustment of dynamic collet (202) to form the adjusting nut (205) of tenon tooth slot side set,
Adjusting nut (205) Screw assembly in the positioning seat (2) outside.
6. the tenon tooth clamping and positioning device of aero-engine power turbine working-blade according to claim 1, feature
It is,
The end of the active chuck (202), which is connected with, extend out to the pull rod (206) of the positioning seat (2) outside, the active chuck
(202) between the inner wall of the positioning seat (2) equipped with for by the active chuck (202) towards the fixed female part
(201) direction is pushed to form the first elastic component (207) of tenon tooth slot side set；Or
The end of the active chuck (202), which is connected with, extend out to the mandril (208) of the positioning seat (2) outside, the mandril (208)
Overhanging end and the positioning seat (2) outside wall surface between equipped with for by the active chuck (202) towards the mandril
(208) direction is pulled to form the second elastic component (209) of tenon tooth slot side set.
7. the tenon tooth Set and Positioning of aero-engine power turbine working-blade according to any one of claim 1 to 6
Device,
It is characterized in that,
In the first tenon tooth slot (2011) by the side of fixed female part (201) outer end face be equipped with for blade tenon tooth
End face is abutted to limit first of the grafting range of protrusion in blade tenon tooth grafting clamping to the first tenon tooth slot (2011) the resistance
Block piece (2013), or
In the second tenon tooth slot (2012) by the side of fixed female part (201) outer end face be equipped with for blade tenon tooth
End face is abutted to limit second of the grafting range of protrusion in blade tenon tooth grafting clamping to the second tenon tooth slot (2012) the resistance
Block piece (2014).
8. the tenon tooth clamping and positioning device of aero-engine power turbine working-blade according to claim 7, feature
It is,
First block piece (2013) and/or second block piece (2014) use in block, backing pin or baffle at least
It is a kind of.
9. the tenon tooth Set and Positioning of aero-engine power turbine working-blade according to any one of claim 1 to 6
Device,
It is characterized in that,
It is additionally provided on the pedestal (1) for installing dial framework and carrying out to table as Blade measuring datum level to table block (3),
The clamping direction direction of positioning seat (2) the blade tenon tooth lays the side to table block (3)；
It is described that the upper surface angle of table block (3) and the element to be measured of blade to be measured are consistent.
10. the tenon tooth Set and Positioning of aero-engine power turbine working-blade according to any one of claim 1 to 6
Device, which is characterized in that
Pedestal (1) bottom is offered for facilitating the notch (4) that the pedestal (1) assembly is fixed and carries,
Notch (4) top corresponds to upper cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710785143.1A CN107576243B (en) | 2017-09-04 | 2017-09-04 | The tenon tooth clamping and positioning device of aero-engine power turbine working-blade |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710785143.1A CN107576243B (en) | 2017-09-04 | 2017-09-04 | The tenon tooth clamping and positioning device of aero-engine power turbine working-blade |
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| CN107576243B true CN107576243B (en) | 2019-07-02 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406560A (en) * | 2014-11-13 | 2015-03-11 | 中国南方航空工业(集团)有限公司 | Blade tenon tooth positioning device |
| CN205279916U (en) * | 2015-11-25 | 2016-06-01 | 沈阳黎明航空发动机(集团)有限责任公司 | Blade dovetail -shaped tenon gear position degree of putting measuring positioning and clamping device |
| CN106247887A (en) * | 2016-08-29 | 2016-12-21 | 中航动力股份有限公司 | A kind of turbo blade tenon tooth side set detection device and detection method |
| CN206208228U (en) * | 2016-09-30 | 2017-05-31 | 中国南方航空工业(集团)有限公司 | Full tenon tooth positioner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL220908B1 (en) * | 2012-08-09 | 2016-01-29 | Gen Electric | Regeneration of the steam turbine blading carrier using a bonding method in the solid state |
-
2017
- 2017-09-04 CN CN201710785143.1A patent/CN107576243B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406560A (en) * | 2014-11-13 | 2015-03-11 | 中国南方航空工业(集团)有限公司 | Blade tenon tooth positioning device |
| CN205279916U (en) * | 2015-11-25 | 2016-06-01 | 沈阳黎明航空发动机(集团)有限责任公司 | Blade dovetail -shaped tenon gear position degree of putting measuring positioning and clamping device |
| CN106247887A (en) * | 2016-08-29 | 2016-12-21 | 中航动力股份有限公司 | A kind of turbo blade tenon tooth side set detection device and detection method |
| CN206208228U (en) * | 2016-09-30 | 2017-05-31 | 中国南方航空工业(集团)有限公司 | Full tenon tooth positioner |
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