CN109238108A - Coaxality measurement tooling and measurement method - Google Patents
Coaxality measurement tooling and measurement method Download PDFInfo
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- CN109238108A CN109238108A CN201810801408.7A CN201810801408A CN109238108A CN 109238108 A CN109238108 A CN 109238108A CN 201810801408 A CN201810801408 A CN 201810801408A CN 109238108 A CN109238108 A CN 109238108A
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- ontology
- wheel hub
- hole
- seam allowance
- measuring cylinder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/04—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
- G01B5/046—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring width
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of coaxality measurement tooling and measurement method, it is related to measuring tooling technical field, main purpose is to realize the measurement of concentricity between guiding axis and wheel hub in the rotor to wind tunnel compressor, to guarantee the assembly precision between guiding axis and wheel hub.Main technical schemes of the invention are as follows: the coaxality measurement tooling includes ontology, the ontology is in the form of annular discs, rounded and coaxial with ontology first through hole is provided on the ontology, the internal diameter of the first through hole is greater than the outer diameter of the guiding axis, is provided on the ontology for the ontology and the wheel hub to be carried out coaxially connected interconnecting piece；Measuring cylinder, the measuring cylinder are set to the surface of the ontology, and the measuring cylinder and the ontology are coaxial, and the internal diameter of the measuring cylinder is greater than the outer diameter of adjustment barrel in the rotor.Present invention is mainly used for measurement concentricities.
Description
Technical field
The present invention relates to measurement tooling technical fields, in particular to a kind of coaxality measurement tooling and measurement method.
Background technique
Wind tunnel laboratory is the mobility status for simulated flight device or entity ambient gas, and measurement air-flow is to entity
Function and effect and observe physical phenomenon a kind of pipe-like experimental facilities, the main function of wind tunnel compressor be to air-flow carry out
Control, is one of main component devices of wind tunnel laboratory.
Wind tunnel compressor generally includes rotor, the adjustment barrel which generally includes wheel hub and be arranged in wheel hub, the tune
Section cylinder is multistage composite structure, and the adjustment barrel can be moved under the driving effect of driving mechanism along rotor axial, from
And rotated by connecting lever with the blade on runner hub, which is vertical assembly, is laterally used, and in use, is adjusted
Sinkage easily occurs for section cylinder, to influence the normal work of rotor, in order to solve this problem, usually adjusts in afterbody
Guiding axis is installed in the end of cylinder, meanwhile, axis hole is set on the end face of the Rotor terminal axis coaxially connected with wheel hub, by that will lead
It is inserted into axis hole to axis, to prevent adjustment barrel from sinkage occurs.This just require guiding axis after the installation is completed and wheel hub it
Between should meet the requirement of higher concentricity, need after guiding axis assembles, to the concentricity between guiding axis and wheel hub into
Row measurement, to guarantee the assembly precision of guiding axis and axis hole.
However, wheel hub and the distance between adjustment barrel and guiding axis farther out, lead to not using existing after due to assembly
Measuring tool measures the concentricity between guiding axis and wheel hub, to not can guarantee the assembly between guiding axis and wheel hub
Precision.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of coaxality measurement tooling and measurement method, main purpose is to realize
To in the rotor of wind tunnel compressor between guiding axis and wheel hub concentricity measurement, to guarantee the assembly between guiding axis and wheel hub
Precision.
In order to achieve the above objectives, present invention generally provides following technical solutions:
The embodiment of the invention provides a kind of coaxality measurement toolings, in the rotor for measuring wind tunnel compressor wheel hub with
The concentricity of guiding axis, comprising:
Ontology, the ontology is in the form of annular discs, and rounded and coaxial with the ontology first is provided on the ontology and is led to
Hole, the internal diameter of the first through hole are greater than the outer diameter of the guiding axis, are provided on the ontology for by the ontology and institute
It states wheel hub and carries out coaxially connected interconnecting piece；
Measuring cylinder, the measuring cylinder are set to the surface of the ontology, and the measuring cylinder and the ontology are coaxial, the survey
The internal diameter of graduated cylinder is greater than the outer diameter of adjustment barrel in the rotor.
Specifically, the ontology has the first surface and second surface being away from each other；
The interconnecting piece include successively be respectively arranged at the first surface and the second surface outer rim it is circumferential and
The first seam allowance compatible with the wheel hub seam allowance and the second seam allowance；First seam allowance has positioned at the first annular side in outside
Wall, the first annular side wall and the ontology are coaxial；Second seam allowance has the second annular sidewall positioned at outside, described
Second annular sidewall and the ontology are coaxial；
The measuring cylinder is set to the first surface.
Specifically, the bottom of the multiple bottom surfaces through first seam allowance and second seam allowance is additionally provided on the ontology
Face and equally distributed bolt hole, the bolt hole and the ontology are coaxial.
Specifically, multiple second through-holes are provided on the ontology, second through-hole is waist-shaped hole.
Specifically, multiple second through-holes are uniformly distributed using the center of circle of the first through hole as the center of circle along circle, and every
One end of a second through-hole is located at the outside of the measuring cylinder, and the other end is connected to the measuring cylinder.
Specifically, multiple stiffener plates, multiple reinforcements are connected between the outer wall of the measuring cylinder and the ontology
Gusset is uniformly distributed along the outer wall of the measuring cylinder.
Specifically, the suspension centre for slinging the frock level, the suspension centre and the measurement are provided on the ontology
Cylinder is located at two surfaces that the ontology is away from each other.
Specifically, the surface of the ontology is provided with multiple groups lifting hole(eyelet), and the quantity of lifting hole(eyelet) described in every group is 3, and along described
The outer rim of body surface is circumferentially uniformly distributed, and the lifting hole(eyelet) is threaded hole；
The suspension centre is 3 hanging rings, and each hanging ring includes screw rod compatible with the lifting hole(eyelet), is hung described in 3
The screw rod of ring is in lifting hole(eyelet) described in being threaded in any one group respectively.
On the other hand, the embodiment of the present invention also provides a kind of method for measuring coaxiality, uses coaxality measurement work above-mentioned
Dress, which comprises
After adjustment barrel assembly, the end of the interconnecting piece and the wheel hub is attached, the measuring cylinder set
It is connected to the outside of the adjustment barrel；
Using the first measurer to the first annular gap between the outer wall and the measuring cylinder inner wall of the adjustment barrel everywhere
Width measure, until the first annular gap everywhere in width be equal；
After guiding axis assembly, the coaxality measurement tooling 180 degree is overturn, and by the interconnecting piece and the wheel
Hub is attached, and the first through hole is socketed on the outside of the guiding axis；
It is each to the second annular gap between the outer wall and the first through hole inner wall of the guiding axis using the second measurer
The width at place measures, until width is equal everywhere in second annular gap.
Specifically, the ontology has the first surface and second surface being away from each other；The interconnecting piece includes successively distinguishing
Be set to the first surface and the second surface outer rim is circumferential and the first seam allowance for matching with the wheel hub seam allowance
With the second seam allowance；
It includes: by first seam allowance and the wheel hub that the end by the interconnecting piece and the wheel hub, which is attached,
Seam allowance cooperated；
The overturning coaxality measurement tooling 180 degree, and the interconnecting piece is attached with the wheel hub and includes:
The coaxality measurement tooling 180 degree is overturn, and the seam allowance of second seam allowance and the wheel hub is cooperated.
By above-mentioned technical proposal, the present invention is at least had the advantages that
Coaxality measurement tooling provided in an embodiment of the present invention can be matched by interconnecting piece with wheel hub seam allowance, simultaneously
Measuring cylinder is socketed in the outside of afterbody adjustment barrel, it at this time can be using measuring tool to institute between measuring cylinder and adjustment barrel
The width of the annular gap of formation everywhere measures, and since ontology is coaxial with wheel hub, and measuring cylinder and ontology are coaxial, therefore work as
When the width of the annular gap everywhere is equal, i.e., expression adjustment barrel and wheel hub are coaxial；The tooling can also pass through interconnecting piece and wheel
Hub seam allowance matches, while first through hole being socketed in the outside of guiding axis, at this time can using measuring tool to guiding axis and
The width of annular gap everywhere is formed by between first through hole to measure, since ontology is coaxial with wheel hub, and first through hole
It is coaxial with ontology, therefore when the width of the annular gap everywhere is equal, i.e., expression guiding axis and wheel hub are coaxial, to realize
Measurement to concentricity between guiding axis and wheel hub ensure that the assembly precision between guiding axis and wheel hub.In addition, the tooling it
So setting measuring cylinder, realizes the measurement to concentricity between adjustment barrel and wheel hub apart from each other, is to guarantee adjustment barrel
Concentricity between wheel hub can satisfy requirement, to prevent adjustment barrel from causing in moving process to the rigging position of guiding axis
It influences, to be further ensured that the assembly precision between guiding axis and wheel hub.
Detailed description of the invention
Fig. 1 is a kind of side sectional view of coaxality measurement tooling provided in an embodiment of the present invention；
Fig. 2 is a kind of plan view of coaxality measurement tooling provided in an embodiment of the present invention；；
Fig. 3 is that structure when coaxality measurement tooling shown in fig. 1 or fig. 2 measures concentricity between wheel hub and adjustment barrel is shown
It is intended to；
Fig. 4 is that structure when coaxality measurement tooling shown in fig. 1 or fig. 2 measures concentricity between wheel hub and guiding axis is shown
It is intended to；
Fig. 5 is a kind of flow chart of method for measuring coaxiality provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the preferred embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or
Similar label indicates same or similar element or element with the same or similar functions.Described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to
It is used to explain the present invention, and is not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The embodiment of the present invention is described in detail with reference to the accompanying drawing.
In the description of the present embodiment, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of description the present embodiment and simplifies description, rather than indication or suggestion meaning
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the present embodiment
The limitation of protection scope.
As shown in Figures 1 to 4, the embodiment of the invention provides a kind of coaxality measurement toolings, for measuring wind-tunnel compression
The concentricity of wheel hub and guiding axis in the rotor of machine comprising ontology 1, the ontology 1 is in the form of annular discs, and is provided on ontology 1 and is in
The round and first through hole 11 coaxial with ontology 1, the internal diameter of the first through hole 11 are greater than the outer diameter of guiding axis, are arranged on ontology 1
Have for ontology 1 and wheel hub to be carried out coaxially connected interconnecting piece；Measuring cylinder 2, the measuring cylinder 2 are set to the surface of ontology 1, should
Measuring cylinder 2 and ontology 1 are coaxial, and the internal diameter of measuring cylinder 2 is greater than the outer diameter of adjustment barrel in rotor.Wherein, the label in Fig. 3 and Fig. 4
" 17 " " 18 " and " 19 " respectively represent wheel hub, adjustment barrel and guiding axis.
In the coaxality measurement tooling, first through hole 11 and ontology 1 are coaxial, and the concentricity tolerance of the two can be
0.02mm, to guarantee the accuracy of concentricity between measurement guiding axis and wheel hub；Measuring cylinder 2 and ontology 1 are coaxial, and the two
Concentricity tolerance can be equally 0.02mm, to guarantee the accuracy of concentricity between measurement adjustment barrel and wheel hub；Moreover, this
The interconnecting piece of body 1 can guarantee that ontology 1 and wheel hub are coaxial after being attached the end of ontology 1 and wheel hub, to ensure that
First through hole 11 and measuring cylinder 2 are coaxial with wheel hub, so may be implemented by wheel hub and adjustment barrel and wheel hub and guiding axis it
Between coaxality measurement be successively equivalent to the concentricity between measuring cylinder 2 and adjustment barrel and first through hole 11 and guiding axis respectively
Measurement, thus solve the problems, such as because distance farther out due to cause concentricity between adjustment barrel and guiding axis and wheel hub to be unable to measure.
In addition, in order to extend the service life of the tooling antirust treatment can be carried out to the surface of the tooling.It specifically when in use, can
The end of the interconnecting piece of the tooling and wheel hub to be cooperatively connected, 2 sets of measuring cylinder are being adjusted after assembling afterbody adjustment barrel
The outside of cylinder is saved, then the width of the annular gap between measuring cylinder 2 and adjustment barrel everywhere is measured using measuring tool,
When the width of the annular gap everywhere is equal, i.e., the concentricity between expression adjustment barrel and wheel hub is met the requirements, and removing should
Tooling；Guiding axis after the assembly is completed, again by the end of the interconnecting piece of the tooling and wheel hub be cooperatively connected, 11 sets of first through hole
In the outside of guiding axis, then using measuring tool to the width everywhere of the annular gap between first through hole 11 and guiding axis into
Row measurement, when the width of the annular gap everywhere is equal, i.e., the concentricity between expression guiding axis and wheel hub is met the requirements.
Coaxality measurement tooling provided in an embodiment of the present invention can be matched by interconnecting piece with wheel hub seam allowance, simultaneously
Measuring cylinder is socketed in the outside of afterbody adjustment barrel, it at this time can be using measuring tool to institute between measuring cylinder and adjustment barrel
The width of the annular gap of formation everywhere measures, and since ontology is coaxial with wheel hub, and measuring cylinder and ontology are coaxial, therefore work as
When the width of the annular gap everywhere is equal, i.e., expression adjustment barrel and wheel hub are coaxial；The tooling can also pass through interconnecting piece and wheel
Hub seam allowance matches, while first through hole being socketed in the outside of guiding axis, at this time can using measuring tool to guiding axis and
The width of annular gap everywhere is formed by between first through hole to measure, since ontology is coaxial with wheel hub, and first through hole
It is coaxial with ontology, therefore when the width of the annular gap everywhere is equal, i.e., expression guiding axis and wheel hub are coaxial, to realize
Measurement to concentricity between guiding axis and wheel hub ensure that the assembly precision between guiding axis and wheel hub.In addition, the tooling it
So setting measuring cylinder, realizes the measurement to concentricity between adjustment barrel and wheel hub apart from each other, is to guarantee adjustment barrel
Concentricity between wheel hub can satisfy requirement, to prevent adjustment barrel from causing in moving process to the rigging position of guiding axis
It influences, to be further ensured that the assembly precision between guiding axis and wheel hub.
Specifically, referring to Fig. 1 and in conjunction with Fig. 3 and Fig. 4, the ontology 1 has the first surface and second surface being away from each other,
Interconnecting piece may include successively being respectively arranged at the outer rim circumferential direction of first surface and second surface and being adapted with wheel hub seam allowance
The first seam allowance 12 and the second seam allowance 13；First seam allowance 12 has the first annular side wall 121 positioned at outside, the first annular side
Wall 121 and ontology 1 are coaxial；Second seam allowance 13 have positioned at outside the second annular sidewall 131, second annular sidewall 131 with
Ontology 1 is coaxial；Measuring cylinder 2 is set to first surface.By being respectively set and wheel hub in the first surface and second surface of ontology 1
Compatible first seam allowance 12 of seam allowance and the second seam allowance 13 allow the tooling to match by the first seam allowance 12 with wheel hub seam allowance
It closes, so that the ontology 1 for matching rear tooling is coaxial with wheel hub, ensure that the survey of measuring cylinder 2 and guiding axis and wheel hub concentricity
Accuracy of measurement, structure are simple.Moreover, the first annular side wall 121 and ontology 1 of the first seam allowance 12 are coaxial, i.e. on the first seam allowance 12 with
The side that wheel hub seam allowance is in contact and ontology 1 are coaxial, and the second annular sidewall 131 and ontology 1 of the second seam allowance 13 are coaxial, i.e., and second
The side being in contact on seam allowance 13 with wheel hub seam allowance and ontology 1 are coaxial, to be further ensured that the tooling passes through 12 He of the first seam allowance
Second seam allowance 13 is with after the cooperation of wheel hub seam allowance, and the ontology 1 and wheel hub of tooling are coaxial, to further ensure measuring cylinder 2 and lead
To the measurement accuracy of axis and wheel hub concentricity.Wherein, the second of the first annular side wall 121 of the first seam allowance 12 and the second seam allowance 13
The concentricity tolerance of annular sidewall 131 and ontology 1 all can be 0.05mm.In addition, bottom surface and the second seam allowance of the first seam allowance 12
The squareness tolerance of 13 bottom surface and 1 axis of ontology all can be 0.04mm, to be further ensured that the tooling passes through the first seam allowance
12 and second seam allowance 13 with after the cooperation of wheel hub seam allowance, the ontology 1 and wheel hub of tooling are coaxial, to further ensure measuring cylinder 2
With the measurement accuracy of guiding axis and wheel hub concentricity.Meanwhile being coupled for the ease of the tooling and wheel hub seam allowance, it can will
The width of first seam allowance 12 and the second seam allowance 13 is both designed as the thickness greater than wheel hub.
In order to guarantee that the secure fit between the tooling and wheel hub connects, referring to Fig. 1 or Fig. 2, also set up on the ontology 1
Have surface and the equally distributed bolt hole 14 of multiple surfaces for running through the first seam allowance 12 and the second seam allowance 13, and bolt hole 14 with
Ontology 1 is coaxial.By the setting of bolt hole 14, so that the tooling is passing through the first seam allowance 12 and the second seam allowance 13 and wheel hub seam allowance
After cooperation, it can also be bolted by bolt hole 14 with wheel hub, which is further fixed, ensure that this
Secure fit connection between tooling and wheel hub, moreover, each bolt hole 14 and ontology 1 are coaxially arranged, to be further ensured that
The measurement accuracy of measuring cylinder 2 and guiding axis and wheel hub concentricity.
Specifically, referring to fig. 2, multiple second through-holes 15 are additionally provided on the ontology 1, each second through-hole 15 is waist type
Hole.By the setting of the second through-hole 15, the weight of the tooling can be mitigated, material is saved, reduce cost；Meanwhile each second
Through-hole 15 is designed as waist-shaped hole, i.e., the edge of each second through-hole 15 is rounding off, ensure that the intensity of the tooling.Moreover,
Multiple second through-holes 15 are uniformly distributed using the center of circle of first through hole 11 as the center of circle along circle, further ensure the strong of the tooling
Degree, while also ensuring the overall aesthetics of the tooling；And one end of each second through-hole 15 is located at the outside of measuring cylinder 2, separately
One end is connected to measuring cylinder 2, and the purpose designed in this way is to realize that staff can be with after by the tooling and wheel hub mating connection
Two legs are protruded into rotor by the second through-hole of any two 15 and measuring cylinder 2 and are in the tooling, so as to side
Just the width using measuring tool to the annular gap between measuring cylinder 2 and adjustment barrel and first through hole 11 and guiding axis everywhere
Degree measures, and is easy to use.
Specifically, referring to Fig. 1 or Fig. 2, multiple stiffener plates 3 are connected between the outer wall and ontology 1 of measuring cylinder 2, it should
Multiple stiffener plates 3 are uniformly distributed along the outer wall of measuring cylinder 2.Wherein, it is logical can be located at two neighboring second for each stiffener plate 3
Between hole 15, for improving the stable connection of measuring cylinder 2, and then the intensity of tooling entirety is improved.
For the ease of being coupled for the tooling and wheel hub, can be set on ontology 1 for hanging the frock level
The suspension centre risen, the suspension centre and measuring cylinder 2 are located at two surfaces that ontology 1 is away from each other.By the way that suspension centre is arranged on ontology 1, so that
The tooling can be sling or be put down by level, when without using the tooling, which can be sling by suspension centre, work as assembly
Rotor and when being intended to using the tooling, which can be put down, then itself and wheel hub are cooperatively connected, using more convenient.Wherein, should
Suspension centre can be set on second surface above-mentioned.
Specifically, referring to fig. 2, the surface of ontology 1 is provided with multiple groups lifting hole(eyelet) 16, only embodies one group in Fig. 1, is specifically as follows
Multiple groups lifting hole(eyelet) 16 is set in the second surface of ontology 1, the quantity of every group of lifting hole(eyelet) 16 is 3, and along the outer rim on 1 surface of ontology circumferential direction
It is uniformly distributed, which can be threaded hole；Suspension centre is 3 hanging ring (not shown)s, and each hanging ring includes and lifting hole(eyelet)
16 compatible screw rods, the screw rod of 3 hanging rings for being threaded in any one group of lifting hole(eyelet) 16 respectively.By in ontology 1
Design of lifting points, for one group of multiple groups lifting hole(eyelet) 16, and is 3 with circumferentially equally distributed 3 lifting hole(eyelet)s 16 by second surface setting
3 hanging rings and any one group of lifting hole(eyelet) 16 are attached by hanging ring so that operator can according to need, and pass through 3 to realize
A hanging ring slings the frock level.Wherein, operator can according to field condition, what is do not interfered with other components
In the case of, any one group of lifting hole(eyelet) 16 of selection connects hanging ring.
As shown in figure 5, using coaxality measurement above-mentioned the embodiment of the invention also provides a kind of method for measuring coaxiality
Tooling, this method comprises:
101, after adjustment barrel is assembled, the end of the interconnecting piece and the wheel hub is attached, the measurement
Cylinder 2 is socketed on the outside of the adjustment barrel.
It, can be same by this after the assembly of afterbody adjustment barrel when the rotor to wind tunnel compressor assembles
The interconnecting piece of axis degree measurement tooling and the end of wheel hub are attached, at this point, the ontology 1 of the tooling can be coaxial with wheel hub, due to
Measuring cylinder 2 and ontology 1 are coaxial, and therefore, measuring cylinder 2 and wheel hub are coaxial.
Specifically, the ontology 1 of the coaxality measurement tooling has the first surface and second surface being away from each other, the company
Socket part may include successively be respectively arranged at first surface and second surface outer rim it is circumferential and compatible with wheel hub seam allowance
First seam allowance 12 and the second seam allowance 13；At this point, the end by the interconnecting piece and the wheel hub is attached and can have
Body are as follows: cooperate the seam allowance of first seam allowance 12 and the wheel hub, so that matching the ontology 1 and wheel hub of rear tooling
Coaxially, to ensure that the measurement accuracy of measuring cylinder 2 Yu wheel hub concentricity, and structure is simple.
102, using the first measurer to the first annular gap between 2 inner wall of outer wall and the measuring cylinder of the adjustment barrel
Width everywhere measures, until width is equal everywhere in the first annular gap.
Since adjustment barrel is coaxial with wheel hub, when between 2 inner wall of outer wall and measuring cylinder of the first measurer of use to adjustment barrel
When the width of first annular gap everywhere measures, if finding, the width of first annular gap everywhere is unequal, then it represents that
Adjustment barrel is not coaxial with wheel hub, just needs to be adjusted the installation site of adjustment barrel at this time, and again to first annular gap
Width everywhere measures, and until measured first annular gap, width everywhere is equal, then it represents that adjustment barrel and wheel
Hub is coaxial, to realize the measurement to concentricity between adjustment barrel and wheel hub apart from each other, ensure that adjustment barrel and wheel hub
Between concentricity can satisfy requirement, it is therefore prevented that adjustment barrel impacts the rigging position of guiding axis in moving process,
To be further ensured that the assembly precision between guiding axis and wheel hub.
103, after guiding axis assembles, the coaxality measurement tooling 180 degree is overturn, and by the interconnecting piece and institute
It states wheel hub to be attached, the first through hole 11 is socketed on the outside of the guiding axis.
Since when assembling the guiding axis of rotor, the afterbody movable vane axis of rotor has assembled completion, in order to avoid this
The measuring cylinder 2 and afterbody movable vane axis of tooling are interfered, and the tooling can be overturn 180 degree after guiding axis assembles, will
Measuring cylinder 2 overturns to outside, then is cooperatively connected by the end of interconnecting piece and wheel hub, at this point, the ontology 1 of the tooling is same
Can be coaxial with wheel hub, since first through hole 11 and ontology 1 are coaxial, first through hole 11 and wheel hub are coaxial.
Specifically, the overturning coaxality measurement tooling 180 degree, and the interconnecting piece and the wheel hub are carried out
Connection is specifically as follows: overturning the coaxality measurement tooling 180 degree, and by the seam allowance of second seam allowance 13 and the wheel hub
Cooperated so that match rear tooling ontology 1 and wheel hub it is coaxial, to ensure that the survey of guiding axis Yu wheel hub concentricity
Accuracy of measurement, and structure is simple.
104, using the second measurer to the second annular gap between the guiding axis and the first through hole 11 everywhere
Width measures, until width is equal everywhere in second annular gap.
Since first through hole 11 and wheel hub are coaxial, when the outer wall and 11 inner wall of first through hole using the second measurer to guiding axis
Between the second annular gap width everywhere when measuring, if finding, the width of the second annular gap everywhere is unequal,
It then indicates that guiding axis is not coaxial with wheel hub, just needs to be adjusted the installation site of guiding axis at this time, and again to the second ring
The width of shape gap everywhere measures, and until the second measured annular gap, width everywhere is equal, then it represents that guiding
Axis is coaxial with wheel hub, to realize the measurement to concentricity between guiding axis and wheel hub apart from each other, ensure that guiding axis
Concentricity between wheel hub can satisfy requirement, further ensure the assembly precision between guiding axis and wheel hub.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of coaxality measurement tooling, the concentricity of wheel hub and guiding axis in the rotor for measuring wind tunnel compressor is special
Sign is, comprising:
Ontology, the ontology is in the form of annular discs, and rounded and coaxial with ontology first through hole, institute are provided on the ontology
The internal diameter for stating first through hole is greater than the outer diameter of the guiding axis, is provided on the ontology for by the ontology and the wheel hub
Carry out coaxially connected interconnecting piece；
Measuring cylinder, the measuring cylinder are set to the surface of the ontology, and the measuring cylinder and the ontology are coaxial, the measuring cylinder
Internal diameter be greater than the rotor in adjustment barrel outer diameter.
2. coaxality measurement tooling according to claim 1, which is characterized in that
The ontology has the first surface and second surface being away from each other；
The interconnecting piece include successively be respectively arranged at the first surface and the second surface outer rim it is circumferential and and institute
State compatible first seam allowance of wheel hub seam allowance and the second seam allowance；First seam allowance has the first annular side wall positioned at outside,
The first annular side wall and the ontology are coaxial；Second seam allowance has the second annular sidewall positioned at outside, and described the
Second ring side wall and the ontology are coaxial；
The measuring cylinder is set to the first surface.
3. coaxality measurement tooling according to claim 2, which is characterized in that
Be additionally provided on the ontology it is multiple through the bottom surface of first seam allowance and the bottom surface of second seam allowance and uniformly point
The bolt hole of cloth, the bolt hole and the ontology are coaxial.
4. coaxality measurement tooling according to claim 1, which is characterized in that
Multiple second through-holes are provided on the ontology, second through-hole is waist-shaped hole.
5. coaxality measurement tooling according to claim 4, which is characterized in that
Multiple second through-holes are uniformly distributed using the center of circle of the first through hole as the center of circle along circle, and each described second
One end of through-hole is located at the outside of the measuring cylinder, and the other end is connected to the measuring cylinder.
6. coaxality measurement tooling according to any one of claim 1 to 5, which is characterized in that
Multiple stiffener plates are connected between the outer wall of the measuring cylinder and the ontology, multiple stiffener plates are along the survey
The outer wall of graduated cylinder is uniformly distributed.
7. coaxality measurement tooling according to any one of claim 1 to 5, which is characterized in that
The suspension centre for slinging the frock level is provided on the ontology, the suspension centre and the measuring cylinder are located at described
Two surfaces that body is away from each other.
8. coaxality measurement tooling according to claim 7, which is characterized in that
The surface of the ontology is provided with multiple groups lifting hole(eyelet), and the quantity of lifting hole(eyelet) described in every group is 3, and along the outer of the body surface
Edge is circumferentially uniformly distributed, and the lifting hole(eyelet) is threaded hole；
The suspension centre is 3 hanging rings, and each hanging ring includes screw rod compatible with the lifting hole(eyelet), 3 hanging rings
Screw rod is in lifting hole(eyelet) described in being threaded in any one group respectively.
9. a kind of method for measuring coaxiality, which is characterized in that surveyed using such as concentricity described in any item of the claim 1 to 8
Measure tooling, which comprises
After adjustment barrel assembly, the end of the interconnecting piece and the wheel hub is attached, the measuring cylinder is socketed on
The outside of the adjustment barrel；
Width using the first measurer to the first annular gap between the outer wall and the measuring cylinder inner wall of the adjustment barrel everywhere
Degree measures, until width is equal everywhere in the first annular gap；
After guiding axis assembly, overturn the coaxality measurement tooling 180 degree, and by the interconnecting piece and the wheel hub into
Row connection, the first through hole are socketed on the outside of the guiding axis；
Using the second measurer to the second annular gap between the outer wall and the first through hole inner wall of the guiding axis everywhere
Width measures, until width is equal everywhere in second annular gap.
10. method for measuring coaxiality according to claim 9, which is characterized in that the ontology has first be away from each other
Surface and second surface；The interconnecting piece includes the outer circumference for being successively respectively arranged at the first surface and the second surface
To and the first seam allowance and the second seam allowance that are matched with the wheel hub seam allowance；
It is described the end of the interconnecting piece and the wheel hub is attached include: by first seam allowance and the wheel hub only
Mouth is cooperated；
The overturning coaxality measurement tooling 180 degree, and it includes: overturning that the interconnecting piece and the wheel hub, which are attached,
The coaxality measurement tooling 180 degree, and the seam allowance of second seam allowance and the wheel hub is cooperated.
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| CN201810801408.7A CN109238108B (en) | 2018-07-20 | 2018-07-20 | Coaxiality measuring tool and method |
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| CN201810801408.7A CN109238108B (en) | 2018-07-20 | 2018-07-20 | Coaxiality measuring tool and method |
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| CN109238108B CN109238108B (en) | 2020-07-31 |
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| CN202814321U (en) * | 2012-10-19 | 2013-03-20 | 天津冶金职业技术学院 | Double-accommodating concentricity measuring instrument |
| CN104048586A (en) * | 2013-03-13 | 2014-09-17 | 鸿富锦精密工业（深圳）有限公司 | Coaxiality detection apparatus |
| CN204064216U (en) * | 2014-10-22 | 2014-12-31 | 中国重汽集团济南复强动力有限公司 | A kind of shaft coupling coaxiality inspection device |
| CN104654987A (en) * | 2014-06-14 | 2015-05-27 | 柳州市安龙机械设备有限公司 | Coaxiality testing gauge |
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| SU1486785A1 (en) * | 1987-05-26 | 1989-06-15 | Izhevsk Mekh Inst | Device for monitoring misaligniment of holes |
| CN101413778A (en) * | 2008-10-08 | 2009-04-22 | 上海微电子装备有限公司 | Axiality detection device |
| CN201297908Y (en) * | 2008-11-06 | 2009-08-26 | 四川广汉士达炭素股份有限公司 | Novel gauge |
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| CN109238108B (en) | 2020-07-31 |
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