CN107576243A - 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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- CN107576243A CN107576243A CN201710785143.1A CN201710785143A CN107576243A CN 107576243 A CN107576243 A CN 107576243A CN 201710785143 A CN201710785143 A CN 201710785143A CN 107576243 A CN107576243 A CN 107576243A
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- tenon tooth
- blade
- clamping
- active chuck
- tenon
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Abstract
The invention discloses a kind of tenon tooth clamping and positioning device of aero-engine power turbine working-blade, including the base for supporting and fixing for bottom, the positioning seat for clamping blade tenon tooth is connected with base, positioning seat includes being used for from the fixation female part of lateral tongue-and-groove grafting clamping blade tenon tooth and for sliding to form tenon tooth groove side set with the active chuck of stationary positioned blade to be measured relative to fixed female part after blade tenon tooth clamping；Offered in the middle part of fixed female part for grafting active chuck and active chuck is being fixed in female part the sliding passage slid；Fixed female part has through sliding passage and for the first tenon tooth groove and the second tenon tooth groove of grafting clamping blade tenon tooth, active chuck has the 3rd tenon tooth groove for grafting clamping blade tenon tooth, and the first tenon tooth groove, the second tenon tooth groove and the 3rd tenon tooth groove form the continuous tenon tooth groove of insertion and matched with blade tenon tooth outline.One group of parallel chucking power is formed, ensures the accuracy of subsequent detection data.
Description
Technical field
The present invention relates to blade of aviation engine detection technique field, especially, is related to a kind of aeroplane engine mechanomotive force whirlpool
Take turns the tenon tooth clamping and positioning device of working-blade.
Background technology
Crucial precision part of the aero-engine power turbine working-blade as aero-engine, the positioning to blade are crucial
The crudy of position tenon tooth and integral shroud has a high requirement, and the design principle of measuring tool be positioning datum must be with technique base
Accurate 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 has arm length on integral shroud, with respect to tenon tooth, as long as tenon tooth positioning slightly gap or deflection during measurement
The measurement error of measured size will be amplified, as long as so thering is tenon tooth positioning method to meet integral shroud listrium grinder process measurement essence
Degree requires that also with regard to that can meet the required precision of other process, and power turbine working-blade is only used in engine assembly
Tenon tooth positions.
The tenon tooth positioner of existing power turbine working-blade, general multipoint positioning using integral shroud and tenon tooth and
The grafting positioning of tenon tooth.First way, easily due to the machining deviation of multiple anchor points, cause whole blade benchmark and its
The data deviation of subsequent detection；The second way, due to gap between tenon tooth and positioner easily be present, and blade is existed
Still the position deviations such as swing are easily produced after positioning, easily cause subsequent detection data error.
The content of the invention
It is existing to solve the invention provides a kind of tenon tooth clamping and positioning device of aero-engine power turbine working-blade
The tenon tooth positioner of dynamic moving turbine blade, due to the gap after the deviation or Set and Positioning of anchor point, cause leaf
The technical problem of the 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 the bottom of for
Portion supports and fixed base, and the positioning seat for clamping blade tenon tooth is connected with base, and positioning seat includes being used for from lateral
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
Into tenon tooth groove side set with the active chuck of stationary positioned blade to be measured；Offered in the middle part of fixed female part for grafting active chuck
And the sliding passage for making active chuck be slid in fixed female part；Fixed female part has through sliding passage and is used for grafting
The the first tenon tooth groove and the second tenon tooth groove of clamping blade tenon tooth, active chuck have the 3rd tenon for grafting clamping blade tenon tooth
Teeth groove, the first tenon tooth groove, the second tenon tooth groove and the 3rd tenon tooth groove form the continuous tenon tooth groove of insertion and with blade tenon tooth outline
Match.
Further, active chuck is coordinated using rectangle gapless slippage with fixed female part and assembled, and is pressed from both sides with guarantee activity
Head is in the sliding single rectilinear direction easy motion of passage interior edge.
Further, active chuck end set is to slide in passage and prevent and sliding vias inner walls for convenient loading
The curved corner or tapered end of face collision.
Further, the thickness of active chuck is more than or equal to 1/3rd blade tenon transverse tooth thickness degree.
Further, the end vertical of active chuck is provided with straight pin in active chuck plate face, and positioning seat, which is externally provided with, to be used for
Drive straight pin and pull glide direction motor adjustment of the active chuck along active chuck to form the regulation spiral shell of tenon tooth groove side set
Mother, adjusting nut Screw assembly is in outside positioning seat.
Further, the end of active chuck is connected with the pull bar extending out to outside positioning seat, active chuck and positioning seat it is interior
It is equipped between wall and is used to towards fixed female part direction promote active chuck to form the first elastic component of tenon tooth groove side set；
Or the end of active chuck is connected with the push rod extending out to outside positioning seat, is filled between the overhanging end of push rod and the outside wall surface of positioning seat
Have for active chuck to be pulled to form the second elastic component of tenon tooth groove side set towards push rod direction.
Further, it is provided with the first tenon tooth groove by the side of fixed female part outer face for tight with blade tenon increment face
By to limit the first block piece of the grafting range of protrusion in blade tenon tooth grafting clamping to the first tenon tooth groove, or the second tenon tooth
Side in groove by fixed female part outer face, which is provided with, to be used to abut to limit blade tenon tooth grafting clamping with blade tenon increment face
Second block piece of the grafting range of protrusion in the second tenon tooth groove.
Further, the first block piece and/or the second block piece are using at least one of block, backing pin or baffle plate.
Further, it is additionally provided with base for installing dial framework and being carried out as Blade measuring reference plane to table to table
Block, the clamping direction direction of positioning seat blade tenon tooth lay the side to 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 breach that base assembling is fixed and carries, breach top pair
Should be in upper cavity.
The invention has the advantages that：
The tenon tooth clamping and positioning device of aero-engine power turbine working-blade of the present invention, by fixed female part
The 3rd tenon tooth groove on first tenon tooth groove and the second tenon tooth groove and active chuck is formed for lateral grafting clamping blade to be measured
Blade tenon tooth insertion tenon tooth groove, after blade tenon tooth clamping, by active chuck in the sliding passage of fixed female part it is sliding
It is dynamic, form the 3rd tenon tooth groove and produce side set between the first tenon tooth groove and the second tenon tooth groove respectively and produce parallel chucking power, pass through
The parallel clamping blade tenon tooth of side set, between realizing and gripping blade tenon tooth and eliminate between blade tenon tooth and tenon tooth groove
Gap, avoid clamping fix after blade to be measured phenomena such as swinging, ensure the accuracies 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, and one group of parallel chucking power is formed, the stable clamping fixation for forming blade is fixed
Position, avoiding producing deflection, bias and deflecting action power to blade, it is ensured that the clamping angle of blade to be measured does not change, so as to
Ensure the accuracy of subsequent detection data.Detected suitable for the blade clamping with tenon tooth of various structures and various sizes size.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation 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 representation；
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 representation of positioning seat；
Fig. 4 is the structural representation of the positioning seat of the preferred embodiment of the present invention；
Fig. 5 is the structural representation of the rod-pulling type active chuck of the preferred embodiment of the present invention；
Fig. 6 is the structural representation of the post rod type active chuck of the preferred embodiment of the present invention.
Marginal data：
1st, base；2nd, positioning seat；201st, fixed female part；2011st, the first tenon tooth groove；2012nd, the second tenon tooth groove；2013、
First block piece；2014th, the second block piece；202nd, active chuck；2021st, the 3rd tenon tooth groove；203rd, passage is slid；204th, cylinder
Pin；205th, adjusting nut；206th, pull bar；207th, the first elastic component；208th, push rod；209th, the second elastic component；3rd, to table block；4th, lack
Mouthful.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying 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 representation 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 representation；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 representation 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 representation 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
Put, including support for bottom and fixed base 1, the positioning seat 2 for clamping blade tenon tooth, positioning are connected with base 1
Seat 2 includes being used for from the fixation female part 201 of lateral tongue-and-groove grafting clamping blade tenon tooth and for phase after blade tenon tooth clamping
Tenon tooth groove 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 lead to the sliding of sliding in fixed female part 201 of active chuck 202
Road 203；Fixed female part 201 has through sliding passage 203 and for the first tenon tooth groove 2011 of grafting clamping blade tenon tooth
With the second tenon tooth groove 2012, active chuck 202 has the 3rd tenon tooth groove 2021 for grafting clamping blade tenon tooth, the first tenon tooth
Groove 2011, the second tenon tooth groove 2012 and the 3rd tenon tooth groove 2021 form the continuous tenon tooth groove of insertion and with blade tenon tooth outline phase
Matching.The tenon tooth clamping and positioning device of aero-engine power turbine working-blade of the present invention, by fixed female part 201
The 3rd tenon tooth groove 2021 on first tenon tooth groove 2011 and the second tenon tooth groove 2012 and active chuck 202 is formed for laterally inserting
The insertion tenon tooth groove of the blade tenon tooth of blade to be measured is pressed from both sides in tipping, after blade tenon tooth clamping, by active chuck 202 in fixed socket joint
Slided in the sliding passage 203 in portion 201, formed the 3rd tenon tooth groove 2021 respectively with the first tenon tooth groove 2011 and the second tenon tooth groove
Side set is produced between 2012 and produces parallel chucking power, and by the parallel clamping blade tenon tooth of side set, blade is gripped so as to realize
Gap between tenon tooth and elimination blade tenon tooth and tenon tooth groove, avoid the blade to be measured after clamping fixation that swing etc. occurs existing
As ensureing the accuracies of the detection data of blade to be measured.Because active chuck 202 is in the middle part of fixed female part 201, therefore
Side set chucking power stepless action caused by the sliding motion of active chuck 202 is in the middle part of the end face of blade tenon tooth and in side wall
Portion, and form one group of parallel chucking power, forms the stable clamping stationary positioned of blade, avoid producing blade deflection, bias and
Deflecting action power, it is ensured that the clamping angle of blade to be measured does not change, so as to ensure the accuracy of subsequent detection data.It is applicable
In the detection of the blade clamping with tenon tooth of various structures and various sizes size.First tenon tooth groove 2011, the second tenon tooth groove 2012
And the 3rd the flute profile of tenon tooth groove 2021 match with blade tenon tooth.Alternatively, the first tenon tooth groove 2011, the second tenon tooth groove
2012 and the three of the 3rd tenon tooth groove 2021 abutted by flat board and form the tenon tooth groove of insertion, or using circular hole and the set of cylinder
The tenon tooth groove of the insertion cooperatively formed, or the tenon tooth groove of the insertion cooperatively formed using elliptical aperture with cylindroid socket are connect,
The tenon tooth groove of the insertion either cooperatively formed using the socket of tri-prism hole and triangular prism or use polygon post holes with it is polygon
The tenon tooth groove for the insertion that the socket of shape post cooperatively forms.
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
Coordinated using rectangle gapless slippage and assembled, to ensure that active chuck 202 is steady in the sliding single rectilinear direction of the interior edge of passage 203
Motion.Avoid blade deflection caused by being deflected in the slipping of active chuck 202.Alternatively, active chuck 202 also may be used
With using the tenon tooth groove 2021 of front end band the 3rd other shapes, can use tri-prismoid, cylinder, square body, rectangular cylinder,
The various polygon column structures such as trapezoid cylinder, pentagonal prism body, hexagonal prism.Corresponding sliding passage 203 can also use with
The corresponding tri-prismoid of active chuck 202, cylinder, square body, rectangular cylinder, trapezoid cylinder, pentagonal prism body, hexagonal prism
Etc. various polygon column structures.Alternatively, the inner surface of the outer surface of active chuck 202 and/or sliding passage 203 is provided with along axle
Guide groove or guiding rib or gib block to distribution, to cause active chuck 202 only can be single vertically in sliding passage 203
One track carries out straight line sliding motion, will not deflect, so as to ensure the efficiency and accuracy of subsequent parts detection or measurement.
As shown in Figure 3, Figure 5 and Figure 6, in the present embodiment, the end set of active chuck 202 is logical for convenient loading sliding
Road 203 is interior and prevents the curved corner or tapered end with the internal face collision of sliding passage 203.The dress of portable propelling chuck 202
Match somebody with somebody, avoid 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 more than or equal to three points
One of blade tenon transverse tooth thickness degree.While ensureing that active chuck 202 is slid relative to the fixed side set of female part 201 generation chucking power
Avoid recurring structure deformation of active chuck 202 itself.
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 provided 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 groove side set.The Screw assembly of adjusting nut 205 is in positioning
Outside seat 2.Adjusting nut 205 is formed by threaded adjusting and moved axially, and drives straight pin 204 to pull active chuck 202 axially to move
It is dynamic, produce chucking power with the first tenon tooth groove 2011 and the side set of the second tenon tooth groove 2012 respectively so as to form the 3rd tenon tooth groove 2021.
As shown in figure 5, in the present embodiment, the end of active chuck 202 is connected with the pull bar 206 extending out to outside positioning seat 2, living
It is equipped between the internal face of dynamic chuck 202 and positioning seat 2 and is used to promote active chuck 202 towards the fixed direction of female part 201
To form the first elastic component 207 of tenon tooth groove side set.By pulling the tenon tooth groove 2021 of pull bar 206 the 3rd and the first tenon tooth groove
2011 and second tenon tooth groove 2012 be in breakthrough status, so as to clamping blade tenon tooth.Come loose pull bar 206 after clamping so that
3rd tenon tooth groove 2021 produces chucking power with the first tenon tooth groove 2011 and the side set of the second tenon tooth groove 2012 respectively and grips blade
Tenon tooth, so that blade stationary positioned.Alternatively, the end of active chuck 202 is connected with the push rod extending out to outside positioning seat 2
208, it is equipped with and is used for active chuck 202 towards the direction of push rod 208 between the overhanging end of push rod 208 and the outside wall surface of positioning seat 2
Pull to form the second elastic component 209 of tenon tooth groove side set, as shown in Figure 6.By promoting the tenon tooth groove of push rod 208 the 3rd
2021 and first tenon tooth groove 2011 and the second tenon tooth groove 2012 be in breakthrough status, so as to clamping blade tenon tooth；After clamping
Come loose push rod 208 so that the 3rd tenon tooth groove 2021 produces folder with the first tenon tooth groove 2011 and the side set of the second tenon tooth groove 2012 respectively
Holding force grips blade tenon tooth, so that blade stationary positioned.Full automatic clamping clamping can be realized, stability is high,
Accuracy of detection is high.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, by the fixed outer end of female part 201 in the first tenon tooth groove 2011
The side in face, which is provided with, to be used to abut to limit in blade tenon tooth grafting clamping to the first tenon tooth groove 2011 with blade tenon increment face
First block piece 2013 of grafting range of protrusion.Alternatively, by the one of the fixed outer face of female part 201 in the second tenon tooth groove 2012
Side is provided with to be used to abut with blade tenon increment face is stretched with limiting the grafting in blade tenon tooth grafting clamping to the second tenon tooth groove 2012
Enter the second block piece 2014 of scope.Load blade tenon tooth from the second tenon tooth groove 2012 and touch the first block piece 2013, or
Person loads blade tenon tooth from the first tenon tooth groove 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 produced to the parallel chucking power of blade tenon tooth, be advantageous 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 plate.Different block pieces can be selected according to blade construction and size, it is convenient
The structure fabrication of positioner, facilitate the clamping of blade tenon tooth.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, it is additionally provided with base 1 for installing dial framework and as Blade measuring
Reference plane is carried out to table to table block 3.Side of the clamping direction of the blade tenon tooth of positioning seat 2 towards laying to table block 3.To table
The upper surface angle and the element to be measured of blade to be measured of block 3 are consistent.It is convenient that blade to be measured after clamping is detected, side
Just the establishment of reference plane and the foundation of the frame of reference.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, the bottom of base 1 offer for facilitate the assembling of base 1 fixed with
And the breach 4 carried, the top of breach 4 corresponds to upper cavity.
During implementation, there is provided a kind of tenon tooth clamping and positioning device of aero-engine power turbine working-blade, including：
Base 1：It is the basic components of the present apparatus, plays support and fixed effect, pass through interior hexagonal
Screw and straight pin are connected with positioning seat 2；It is connected by soket head cap screw and straight pin with to table block 3, two is diagonal
Handgrip when 45 degree of the design of simple breach 4 is easy to carry measuring tool.Its material is 45# steel, and case hardness is HRC35~40, tool
There is certain rigidity.
Positioning seat 2：It is the main element of present apparatus detent mechanism, measured workpiece blade is matched somebody with somebody by the tongue-and-groove gap with it
Close, be close to backing pin (the first block piece 2013 or the second block piece 2014), mobile active chuck 202, both tongue-and-grooves produce wrong
Position has the function that positioning is fixed.The tongue-and-groove of positioning seat 2 is outwards inclined along normal direction again by the maximum solid type face of blade tenon tooth to be measured
0.018mm designs are moved, the surface profile of channel profile is not more than 0.015mm, and type face is symmetrical on center line.Its material is
CrWMn, case hardness are HRC58~62, wear-resisting and have certain rigidity.
Active chuck 202：It is the main element of the retaining mechanism of the present apparatus, forming rectangle sliding fit with positioning seat 2 assembles,
Tongue-and-groove and the tongue-and-groove Combined machining of positioning seat thereon is formed, and blade to be measured is put into when two tongue-and-grooves are concordant, passes through side clockwise
The straight pin 204 being connected with active chuck 202 is driven to reach the purpose with the side set of positioning seat 2 to adjusting nut 205 is turned, so as to
Play a part of locking workpiece.Its material is CrWMn, and case hardness is HRC58~62, wear-resisting and have certain rigidity.
Backing pin (the first block piece 2013 or the second block piece 2014)：It is the accessory of detent mechanism, and on baffle plate
The hole interference fit of specified location, tested vane end faces are close to the purpose that it reaches positioning.Its material is CrWMn, and surface is hard
Spend for HRC58~62, it is wear-resisting and there is certain rigidity.
Baffle plate (the first block piece 2013 or the second block piece 2014)：It is the supporting support assemblies of detent mechanism, with positioning
Seat 2 is connected by slotted countersunk flat head screw, and the hole position with backing pin interference fit ensures backing pin and tested blade end in the centre of tongue-and-groove
The position that face rests against.Its material is 45# steel, and case hardness is HRC35~40, has certain rigidity.
Slotted countersunk flat head screw：It is universal standard part, shares two pieces, specification is M3 × 8GB/T 68-2000, plays connection gear
The effect of plate and positioning seat.
To table block 3：It is the auxiliary measurement component of the present apparatus, is connected by straight pin and soket head cap screw with base 1.It
Function is to lay dial framework to use table, and the angle of its upper surface and the element to be measured of workpiece are consistent, actually one marks
Directrix plane, to ensure measurement accuracy, the surface profile in this face is not more than 0.005mm, and its material is 20# steel, and case hardness is
HRC58~52, carburizing deep 0.8~1.2mm are wear-resisting and have certain rigidity.
Adjusting nut 205：It is the power transmission member of present apparatus retaining mechanism, is connected, turned with positioning seat 2 by screw thread
It drives straight pin 204 so as to drive the movement of active chuck 202 to form side set, reaches the purpose of locking, its surface band reticulate pattern
Increase friction is easy to manually.Its material is 45# steel, and case hardness is HRC35~40, has certain rigidity.
Straight pin 204：It is universal standard part, shares 1, specification is 4 × 35GB/T 119.2-2000, and connection activity is pressed from both sides
First 202, adjusting nut 205, play a part of transmitting power.
Hexagon socket cap head screw：It is universal standard part, shares two pieces, specification is M5 × 25GB/T 70.1-2000, is risen
To the effect of connect base 1 and positioning seat 2.
Straight pin：It is universal standard part, shares two pieces, specification is 4 × 26GB/T 119.2-2000, plays connect base 1
With the effect of positioning seat 2.
Hexagon socket cap head screw：It is universal standard part, shares two pieces, specification is M8 × 30GB/T 70.1-2000, is risen
To connect base and the effect to table block 3.
Straight pin：It is universal standard part, shares two pieces, specification is 6 × 28GB/T 119.2-2000, plays connect base 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 positioner before measurement
Cleaned, remove unnecessary iron filings and dust, first loads the direction rotating adjusting nut 205 in accordance with the instructions of positioning seat 2 to table part
Locking, dial framework is placed on on table block 3, 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 loaded 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 and beats the table teeth sizes to be measured, the measured value sum of the reading on table and the branding to table part
The as actual value of measured size.
The positioning method that tenon tooth clamping and positioning device of the present invention is assembled by simulating power turbine working-blade, devise double
Groove side set positioner, make use of fit clearance between the tenon tooth of part to be measured and the positioning tongue-and-groove of positioner from have to
Without the purpose positioned completely is reached, principle is simple, easy to operate, after coming into operation, efficiently solves integral shroud listrium and sawtooth
The problem of dimensional measurement difficulty, resetting is reliable and stable, and measurement result uniformity is good, meets technological requirement, and meeting production needs
Will, 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 essence of measurement
True property.Both it is easy to manufacture the rigidity of each groove of and can guarantee between positioning seat 2 and active chuck 202 for rectangle gapless slide fit, from
And the stability of resetting is ensure that, it is not more than 0.005mm through onsite application repeatable accuracy.
The confined 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 groove 2011, the second tenon tooth groove 2012, the 3rd tenon tooth groove 2021) that tenon tooth coordinates.To ensure 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 ensureing
Blade is small as best one can on the premise of smoothly loading, while to consider to position the foozle of tongue-and-groove, two tongue-and-groove (the first tenon tooths
The tenon tooth groove 2012 of groove 2011 and second and the 3rd tenon tooth groove 2021) must Combined machining, to ensure both robust motion
And anufacturability, both use rectangle gapless sliding fit.Present invention is mainly used on measuring tool, it is accurate to be measured for raising
Property, human error is eliminated most possibly, the hand pressure method of discard old device, misplaced using two tongue-and-grooves and reached the mesh of locking
's；When the present invention is in order to detect workpiece, it is laborsaving, convenient, fast, operator be able to not can just complete by other instrument manually
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 groove
2011st, the second tenon tooth groove 2012) it is positioning body, it is fixed, interior tongue-and-groove (the 3rd tenon tooth groove 2021) is to compress force section
Part, it is movable, but because both are that rectangle coordinates, four direction requires gapless sliding fit, only allows a side
Force clamps workpiece upwards, and the terminal that it is moved is exactly that the working face for making workpiece is bonded with the corresponding surface of outer tongue-and-groove, and this square
Shape coordinates to be easier to ensure that in opposed cylindrical cooperation manufacture, so its repeated clamping positioning uniformity is fine.Because blade
Tenon it is small, precision is high, and frock manufacture difficulty is big, to solve the problems, such as its Set and Positioning, it is main or to be manufactured from frock and
Start with calibrating, so the device designs tongue-and-groove on rectangle lamellar body, both beneficial to frock locating and machining, also allow for frock inspection
Method that is fixed, can using the projective amplification of blade tenon tooth inspection, can also use microexamination.Blade tenon only have 11mm~
13mm grows, and using rectangle lamellar body, is more beneficial for positioning and is distributed with clamping structure；Chuck is that guiding tenon tooth moves in tongue-and-groove, directly
To being bonded with the corresponding surface of positioning body tongue-and-groove, then locked by thread connection, clamping length need to only account for tenon tooth length three/
One, and be arranged among tongue-and-groove and be more conducive to balance force, position point 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 ensure that this two-part rigidity makes 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 ensure to examine qualified part to meet matching requirements by measuring tool, tenon tooth location structure must
Blade confined state must be simulated, is positioned using full tenon tooth, mechanical compression must be used to reduce human error.To be kept with assembling
Unanimously, consult to remove auxiliary positioning point or face in addition to tenon tooth with technique；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 targeting 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
It is few suitable, it should ensure that both gap minimums ensure that tested part can be put into again, by the analysis to tenon Profile of AT and right
The investigation of the existing accuracy of manufacture, it is determined that the type face of positioning tongue-and-groove faces out normal direction skew 0.01mm designs, tongue-and-groove by tenon tooth type
The surface profile in type face is not more than 0.015, and the fit clearance for ensureing tongue-and-groove and tenon tooth is 0.005~0.01mm.Again by reasonable
Compressing structure to eliminate both position gaps, reach positioning and clamp purpose.
Tenon tooth clamping and positioning device of the present invention, the positioning method assembled by simulating power turbine working-blade, is devised
Double flute side set positioner, the fit clearance between the tenon tooth of tested part and the positioning tongue-and-groove of measuring tool is make use of from having nothing
Reach the purpose positioned completely, principle is simple, easy to operate, after coming into operation, efficiently solves integral shroud listrium and sawtooth chi
Very little to measure the problem of difficult, resetting is reliable and stable, and measurement result uniformity is good, meets technological 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.Both it is easy to manufacture the rigidity of each groove of and can guarantee between positioning seat and chuck for rectangle gapless slide fit, so as to ensure that weight
The stability positioned again, it is not more than 0.005mm through onsite application repeatable accuracy.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of tenon tooth clamping and positioning device of aero-engine power turbine working-blade, including support and fix for bottom
Base (1),
The positioning seat (2) for clamping blade tenon tooth is connected with the base (1),
Characterized in that,
The positioning seat (2) includes for the fixation female part (201) from lateral tongue-and-groove grafting clamping blade tenon tooth and is used for
Tenon tooth groove 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)；
Offer for active chuck described in grafting (202) in the middle part of the fixed female part (201) and make the active chuck
(202) the sliding passage (203) slid in the fixed female part (201)；
The fixed female part (201) has through the sliding passage (203) and for the first of grafting clamping blade tenon tooth
Tenon tooth groove (2011) and the second tenon tooth groove (2012),
The active chuck (202) has the 3rd tenon tooth groove (2021) for grafting clamping blade tenon tooth,
The first tenon tooth groove (2011), the second tenon tooth groove (2012) and the 3rd tenon tooth groove (2021) form insertion
Continuous tenon tooth groove 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, its feature
It is,
The active chuck (202) is coordinated with the fixed female part (201) using rectangle gapless slippage to be assembled, to ensure
Active chuck (202) is stated in the sliding single rectilinear direction easy motion of passage (203) interior edge.
3. the tenon tooth clamping and positioning device of aero-engine power turbine working-blade according to claim 2, its feature
It is,
Active chuck (202) end set is interior for the convenient loading sliding passage (203) and prevented and the cunning
The curved corner or tapered end of Mobile Communication road (203) internal face collision.
4. the tenon tooth clamping and positioning device of aero-engine power turbine working-blade according to claim 1, its feature
It is,
The thickness of the active chuck (202) is more than or equal to 1/3rd blade tenon transverse tooth thickness degree.
5. the tenon tooth clamping and positioning device of aero-engine power turbine working-blade according to claim 1, its feature
It is,
The end vertical of the active chuck (202) is provided 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 chuck (202) is moved to form the adjusting nut of tenon tooth groove side set (205),
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, its feature
It is,
The end of the active chuck (202), which is connected with, extend out to the pull bar (206) of the positioning seat (2) outside, the active chuck
(202) it is equipped with and is used for the active chuck (202) towards the fixed female part between the internal face of the positioning seat (2)
(201) direction is promoted to form the first elastic component (207) of tenon tooth groove side set；Or
The end of the active chuck (202), which is connected with, extend out to the push rod (208) of the positioning seat (2) outside, the push rod (208)
Overhanging end and the positioning seat (2) outside wall surface between be equipped with and be used for the active chuck (202) towards the push rod
(208) direction is pulled to form the second elastic component (209) of tenon tooth groove 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,
Characterized in that,
Side in the first tenon tooth groove (2011) by fixed female part (201) outer face, which is provided with, to be used for and 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 groove (2011) the resistance
Block piece (2013), or
Side in the second tenon tooth groove (2012) by fixed female part (201) outer face, which is provided with, to be used for and 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 groove (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, its feature
It is,
First block piece (2013) and/or second block piece (2014) are used in block, backing pin or baffle plate 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,
Characterized in that,
It is additionally provided with the base (1) for installing dial framework and being carried out as Blade measuring reference plane to table to table block (3),
The clamping direction direction of positioning seat (2) the blade tenon tooth lays the side to table block (3)；
The upper surface angle and the element to be measured of blade to be measured to table block (3) is 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, it is characterised in that
Base (1) bottom is offered for facilitating the breach (4) that the base (1) assembling is fixed and carries,
Breach (4) top corresponds to upper cavity.
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| 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 |
|---|---|---|---|
| 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 CN107576243B (en) | 2019-07-02 |
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| CN201710785143.1A Active 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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| CN108356485A (en) * | 2018-01-31 | 2018-08-03 | 中国航发动力股份有限公司 | A kind of processing method with tenon tooth small part |
| CN109048289A (en) * | 2018-10-16 | 2018-12-21 | 中国航发湖南动力机械研究所 | Blade of aviation engine assembly tool |
| CN109084720A (en) * | 2018-08-14 | 2018-12-25 | 中国航发南方工业有限公司 | For processing the fixture and molding surface size measurement method in tenon tooth gauge tail portion type face |
| CN109397141A (en) * | 2018-12-07 | 2019-03-01 | 中国航发南方工业有限公司 | A kind of turbo blade pedestal preparation facilities |
| CN109483172A (en) * | 2018-12-07 | 2019-03-19 | 中国航发南方工业有限公司 | A kind of turbo blade positioning pedestal manufacturing method |
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| CN112629472A (en) * | 2019-04-12 | 2021-04-09 | 中国航发常州兰翔机械有限责任公司 | Measuring and calculating method of turbine disc tenon tooth inclination angle measuring and calculating tool |
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| CN113977456A (en) * | 2021-11-12 | 2022-01-28 | 中国航发贵州黎阳航空动力有限公司 | Tool for machining and detecting sealing tooth grooves of turbine blades |
| CN114670134A (en) * | 2022-04-18 | 2022-06-28 | 中国航发沈阳发动机研究所 | Aeroengine turbine guide blade sampling clamp |
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| CN108356485A (en) * | 2018-01-31 | 2018-08-03 | 中国航发动力股份有限公司 | A kind of processing method with tenon tooth small part |
| CN109084720A (en) * | 2018-08-14 | 2018-12-25 | 中国航发南方工业有限公司 | For processing the fixture and molding surface size measurement method in tenon tooth gauge tail portion type face |
| CN109048289A (en) * | 2018-10-16 | 2018-12-21 | 中国航发湖南动力机械研究所 | Blade of aviation engine assembly tool |
| CN109631712A (en) * | 2018-11-23 | 2019-04-16 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of device and application method measuring low moving turbine blade sawtooth hat |
| CN109397141B (en) * | 2018-12-07 | 2020-09-18 | 中国航发南方工业有限公司 | Turbine blade base preparation facilities |
| CN109483172A (en) * | 2018-12-07 | 2019-03-19 | 中国航发南方工业有限公司 | A kind of turbo blade positioning pedestal manufacturing method |
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| CN109397141A (en) * | 2018-12-07 | 2019-03-01 | 中国航发南方工业有限公司 | A kind of turbo blade pedestal preparation facilities |
| CN112629472A (en) * | 2019-04-12 | 2021-04-09 | 中国航发常州兰翔机械有限责任公司 | Measuring and calculating method of turbine disc tenon tooth inclination angle measuring and calculating tool |
| CN111256934A (en) * | 2020-03-31 | 2020-06-09 | 中国航发动力股份有限公司 | Turbine blade vibration test tool and turbine blade clamping method |
| CN112091672A (en) * | 2020-09-17 | 2020-12-18 | 中国航发航空科技股份有限公司 | Frock clamp for hollow blade processing preventing penetration of excess material |
| CN112809576A (en) * | 2020-12-30 | 2021-05-18 | 德阳六合能源材料有限公司 | Positioning fixture device of steam turbine blade |
| CN112985219A (en) * | 2021-03-17 | 2021-06-18 | 中国航发动力股份有限公司 | Turbine blade shroud edge plate measuring device |
| CN113403464A (en) * | 2021-06-16 | 2021-09-17 | 中国航发航空科技股份有限公司 | Heat treatment device for aero-engine blade |
| CN113280710A (en) * | 2021-06-30 | 2021-08-20 | 中国航发动力股份有限公司 | Multi-size detection device and method for turbine working blade edge plate |
| CN113977456A (en) * | 2021-11-12 | 2022-01-28 | 中国航发贵州黎阳航空动力有限公司 | Tool for machining and detecting sealing tooth grooves of turbine blades |
| CN114670134A (en) * | 2022-04-18 | 2022-06-28 | 中国航发沈阳发动机研究所 | Aeroengine turbine guide blade sampling clamp |
| CN114670134B (en) * | 2022-04-18 | 2023-06-02 | 中国航发沈阳发动机研究所 | Aeroengine turbine guide vane sampling clamp |
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