CN109341478A - A kind of turbo blade dimension measuring device and measurement method - Google Patents
A kind of turbo blade dimension measuring device and measurement method Download PDFInfo
- Publication number
- CN109341478A CN109341478A CN201811371680.2A CN201811371680A CN109341478A CN 109341478 A CN109341478 A CN 109341478A CN 201811371680 A CN201811371680 A CN 201811371680A CN 109341478 A CN109341478 A CN 109341478A
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- positioning base
- turbo blade
- lower positioning
- locating piece
- measuring device
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a kind of turbo blade dimension measuring device and measurement methods, by the way that turbo blade to be measured is placed in the groove of lower positioning base, it is compressed using compact heap to turbo blade to be measured, then it will test table calibrate table with to table pin, it will test table to move along upper positioning frame upper surface, integral shroud and listrium measured value after turbo blade is ground can be obtained, directly using measuring table table pin in measuring device, it reduces using standard component to various errors caused by table, it improves turbo blade listrium or integral shroud is ground the detection accuracy of produced characteristic, it is not influenced by error itself is manufactured on table part, solves the detection problem of integral shroud and listrium measurement error after turbo blade is ground, shorten detection round of visits, improve checkability, structure novel, it is easy to operate, it is fast that positioning clamping detects reliability Victory is high, method available extensive use in the detection of other complex parts, has promotional value.
Description
Technical field
The present invention relates to a kind of turbo blade dimension measuring device and measurement methods, belong to crop leaf measuring field.
Background technique
It is to formulate corresponding standard component and measuring tool is mating makes in turbo blade tenon and integral shroud grinding dimensional measurement
With.It will first be positioned on standard component measuring tool when detecting, relative measurement then carried out to table to finished surface, since mismachining tolerance is made
It cannot be accurately bonded between standard component datum level and the positioning reference plane of measuring tool, leading to inspector, detection data is not when detecting
Stablize, and same size is repeated several times and is measured, detection efficiency is low, easily judges by accident.And easily there is ruler in entire detection process
Very little transmitting cumulative errors.
It is both needed to verify measuring tool using master body when measurement every time, then tested part is measured one by one, such as
The processing of fruit part is not allowed due to positioning in high-low limit position, leads to repeated measurement.Round of visits can not accurate statistics, variation
It is bigger.Occupying the plenty of time in detection makees idle work, under detection efficiency.
It needs standard component to be repeated confirmation when detecting, detection error caused by human factor easily occurs.Selected
There are foozles for standard component datum level itself, can be generated when using standard component to table to Watch Error, when measuring tested part by
In to Watch Error, the accuracy of measurement result is further influenced.
Summary of the invention
The purpose of the present invention is to provide a kind of turbo blade dimension measuring device and measurement methods, to overcome the prior art
Deficiency.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of turbo blade dimension measuring device, including lower positioning base and upper positioning base, upper positioning base be fixed on
Lower positioning base upper end；Compact heap, compact heap and lower positioning base are equipped with upper positioning base opposite side on lower positioning base
Rotation connection, compact heap are fixed and clamped by fastening bolt, and the upper surface of upper positioning base is horizontal plane, are set on upper positioning base
Have for being fixedly mounted to table pin to table pin mounting groove；Lower positioning base is equipped with the groove for placing turbo blade, recessed
Groove shape is matched with turbo blade shape to be measured.
Further, compact heap and lower positioning base are rotatablely connected by rotational pin.
Further, lower positioning base lower end is fixed with lower plate, lower plate and lower positioning base and connects by the way that screw is fixed
Connect, the side of lower positioning base be equipped with simultaneously with lower positioning base and the upper side plate that is fixedly connected of positioning base, side plate with
It is concordant with for placing the groove end face of turbo blade on lower positioning base.
Further, side plate is fixedly connected with lower positioning base by fastening screw, and side plate and upper positioning base are logical
Bolt group is crossed to be fixedly connected；Upper positioning base is equipped with through-hole, and bolt group is placed in through-hole.
Further, a locating piece is respectively equipped with for placing the groove rear and front end of turbo blade on lower positioning base
Placing groove, the first locating piece and the second locating piece are respectively equipped in locating piece placing groove, and upper localization machine seats against close place for putting
The both ends for setting turbo blade groove side are respectively equipped with a locating piece fixing groove, set in the locating piece fixing groove of upper positioning base
Have and surveys the fixed side positioning block of turbo blade progress lateral register for treating.
Further, the first locating piece is set in locating piece placing groove along anterior-posterior horizontal placement, and through bolt under
Positioning base is fixed, the second locating piece) it is set in locating piece placing groove along left and right horizontal direction, pass through bolt and lower localization machine
Seat is fixed.
Further, upper positioning base lower end is equipped with dowel hole, and lower positioning base upper end is equipped with fixed with upper positioning base
The corresponding dowel hole of position pin hole, upper positioning base upper end are equipped with countersunk head through-hole, and lower positioning base upper end is equipped with logical with countersunk head
The coaxial threaded hole in hole, upper positioning base are fixedly connected with lower positioning base by fixing bolt.
Further, compact heap is equipped with through-hole, and lower positioning base is equipped with threaded hole, and in compaction process, compact heap leads to
The threaded hole crossed in fastening bolt and lower positioning base cooperates compact heap.
Further, it is fixed with threaded rod on lower positioning base, in compaction process, compact heap is close to lower positioning base, benefit
It is fastened with nut and threaded rod, pressure plate is set between nut, compress compact heap using pressure plate.
A kind of turbo blade dimension measurement method, comprising the following steps: turbo blade to be measured is placed in lower positioning base
Groove in, contact turbo blade one end to be measured with side slab end-face, then pass through the first locating piece, the second locating piece and side
After locating piece respectively positions three directions of turbo blade to be measured, compressed using compact heap to turbo blade to be measured, so
After will test table with to table pin carry out to table calibrate, will test table and moved along upper positioning frame upper surface, turbine leaf can be obtained
Integral shroud and listrium measured value after piece grinding.
Compared with prior art, the invention has the following beneficial technical effects:
A kind of turbo blade dimension measuring device of the present invention, by the way that turbo blade to be measured is placed in the recessed of lower positioning base
It in slot, is compressed using compact heap to turbo blade to be measured, then will test table and calibrate table with to table pin, will examine
Survey table is moved along upper positioning frame upper surface, integral shroud and listrium measured value after turbo blade grinding can be obtained, directly using survey
Measuring table table pin on device is measured, reduces using standard component to various errors caused by table, improves turbo blade listrium
Or integral shroud is ground the detection accuracy of produced characteristic, provides for technical staff and accurately and reliably analyzes data；Meet turbine
Characteristic positioning clamping requirement after integral shroud and listrium are ground after blade grinding avoids former measurement and uses standard component to table generation in table
Error, improvement has been made to integral shroud and traditional position sensing scheme of listrium characteristic after turbo blade grinding.Not by table part
The influence of error itself is manufactured, so as to be able to satisfy the testing requirements of integral shroud and listrium characteristic after turbo blade grinding completely,
It solves the detection problem of integral shroud and listrium measurement error after turbo blade is ground, shortens detection round of visits, improve inspection
Efficiency is tested, structure novel is easy to operate, and positioning clamping detection reliability agility is high, and method is in other complex parts
Available extensive use in detection has promotional value.
Further, by the plate under the setting of lower positioning base lower end, lower plate is solid by screw with lower positioning base
Fixed connection, the side of lower positioning base are equipped with the side plate being fixedly connected simultaneously with lower positioning base and upper positioning base, and side is flat
Plate is concordant with for placing the groove end face of turbo blade on lower positioning base, makes turbo blade one end to be measured and side plate end
Face contact is realized by the first locating piece, the second locating piece and side positioning block respectively to three direction positioning of turbo blade to be measured
Precise positioning guarantees the accuracy of measurement result.
Detailed description of the invention
Fig. 1 is detection and localization general structure schematic diagram of the present invention；
Fig. 2 is Fig. 1 side view.
Fig. 3 is the structural schematic diagram of lower positioning base；
Fig. 4 be in Fig. 3 A-A to, B-B direction cross-sectional view；
Fig. 5 is upper positioning stand structure schematic diagram；
Fig. 6 is Fig. 5 left view；
Fig. 7 is Fig. 5 A to structural schematic diagram；
Fig. 8 is the structural schematic diagram of compact heap；
Wherein, 1, lower positioning base；2, upper positioning base；3, compact heap；5, lower plate；6, side plate；7, nut；9, it presses
Tight plate；11, the first locating piece；12, the second locating piece；13, side positioning block；14, turbo blade to be measured；15, hold-down bolt；16,
Fixing bolt；17, fastening bolt；18, fastening screw；19, positioning pin；21, bolt group；23, to table pin.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
As shown in Figures 1 to 8, a kind of turbo blade dimension measuring device, including lower positioning base 1 and upper positioning base 2,
Upper positioning base 2 is fixed on lower 1 upper end of positioning base；Side corresponding with upper positioning base 2 is equipped with compact heap on lower positioning base 1
3, compact heap 3 and lower positioning base 1 are rotatablely connected, and compact heap 3 is fixed and clamped by hold-down bolt 15, upper to position the upper of base 2
End face is horizontal plane, and upper positioning base 2 is equipped with for being fixedly mounted to table pin 23 to table pin mounting groove, is used for table pin 23
It calibrates core and measures table；Lower positioning base 1 is equipped with the groove for placing turbo blade, groove shapes and turbo blade 14 to be measured
Shape matching, turbo blade 14 to be measured face to be measured are parallel with the upper positioning upper surface of base 2；
Compact heap 3 is rotatablely connected with lower positioning base 1 by rotational pin 8；
As shown in Fig. 2, lower 1 lower end of positioning base is fixed with lower plate 5, lower plate 5 passes through screw 17 with lower positioning base 1
It is fixedly connected, the side of lower positioning base 1 is equipped with the side plate being fixedly connected simultaneously with lower positioning base 1 and upper positioning base 2
6, side plate 6 on lower positioning base 1 and for placing the cross that the groove end face of turbo blade is concordant, for turbo blade to be measured
To positioning；As shown in Figure 1, Figure 7 shows, side plate 6 and lower positioning base 1 are fixedly connected by fastening screw 18, side plate 6 with it is upper fixed
Position base 2 is fixedly connected by bolt group 21；Upper positioning base 2 is equipped with through-hole, and bolt group 21 is placed in through-hole；
As shown in Fig. 3 to Fig. 7, one is respectively equipped with for placing the groove rear and front end of turbo blade on lower positioning base 1
A locating piece placing groove is respectively equipped with the first locating piece 11 and the second locating piece 12 in locating piece placing groove, and upper positioning base 2 leans on
Close place is respectively equipped with a locating piece fixing groove for placing the both ends of turbo blade groove side, and upper positioning base 2 is determined
Side positioning block 13 is equipped in the block fixing groove of position；Side positioning block 13 is used to carry out lateral register to turbo blade to be measured to fix；
First locating piece 11 is set in locating piece placing groove along anterior-posterior horizontal placement, and passes through bolt and lower positioning base
1 is fixed, and the second locating piece 12 is set in locating piece placing groove along left and right horizontal direction, solid by bolt and lower positioning base 1
It is fixed；
Upper 2 lower end of positioning base is equipped with dowel hole, and lower 1 upper end of positioning base is equipped with and upper 2 dowel hole of positioning base
Corresponding dowel hole, it is fixed using fixing bolt 16 after lower positioning base 1 is positioned with upper positioning base 2 by positioning pin 19；
Upper 2 upper end of positioning base is equipped with countersunk head through-hole, and lower positioning 1 upper end of base is equipped with the threaded hole coaxial with countersunk head through-hole, utilizes
Upper positioning base 2 is fixedly connected by fixing bolt 16 with lower positioning base 1；
Compact heap 3 is equipped with through-hole, and lower positioning base 1 is equipped with threaded hole, and in compaction process, compact heap 3 passes through fastening
Bolt 17 cooperates with the threaded hole on lower positioning base 1 compresses compact heap 3；
Alternatively, being fixed with threaded rod on lower positioning base 1, in compaction process, compact heap 3 is utilized close to lower positioning base 1
Nut 7 and threaded rod fasten, and pressure plate 9 is arranged between nut 7, compress compact heap 3 using pressure plate 9；Using pressure plate 9 with
Cooperation between nut 7 compresses, convenient and efficient, detachably, the turbo blade to be measured for being suitble to rotation direction big；
A kind of turbo blade dimension measurement method, comprising the following steps: turbo blade to be measured is placed in lower positioning base 1
Groove in, contact turbo blade one end to be measured with side slab end-face, then pass through the first locating piece 11, the second locating piece 12
After being positioned respectively to three directions of turbo blade to be measured with side positioning block 13, carried out using compact heap 3 to turbo blade to be measured
It compresses, then will test table and calibrate table with to table pin 23, will test table and moved along upper 2 upper surface of positioning base
Obtain integral shroud and listrium measured value after turbo blade is ground.
The present invention directly uses measuring table table pin in measuring device, reduces using standard component to each caused by table
Kind error, improves turbo blade listrium or integral shroud is ground the detection accuracy of produced characteristic, provides for technical staff and accurately may be used
The analysis data leaned on
The improvement of integral shroud and listrium measuring device and detection method, meets turbo blade after turbo blade grinding of the present invention
Characteristic positioning clamping requirement after integral shroud and listrium are ground after grinding avoids the mistake that former measurement uses standard component to generate table in table
Difference has made improvement to integral shroud after turbo blade grinding and traditional position sensing scheme of listrium characteristic.It is not manufactured by table part
The influence of error itself solves so as to be able to satisfy the testing requirements of integral shroud and listrium characteristic after turbo blade grinding completely
The detection problem of integral shroud and listrium measurement error after turbo blade grinding, shortens detection round of visits, improves inspection effect
Rate is a kind of omnipotent, structure novel, and easy to operate, positioning clamping detection reliability agility is high, and method is other multiple
Available extensive use in the detection of miscellaneous part has promotional value.
Claims (10)
1. a kind of turbo blade dimension measuring device, which is characterized in that including lower positioning base (1) and upper positioning base (2), on
Lower positioning base (1) upper end is fixed in positioning base (2)；It is equipped on lower positioning base (1) with upper positioning base (2) opposite side
Compact heap (3), compact heap (3) and lower positioning base (1) are rotatablely connected, and compact heap (3) is fixed and clamped by hold-down bolt (15),
The upper surface of upper positioning base (2) is horizontal plane, and upper positioning base (2) is equipped with for being fixedly mounted to table pin (23) to table
Sell mounting groove；Lower positioning base (1) is equipped with groove for placing turbo blade, groove shapes and turbo blade to be measured (14)
Shape matching.
2. a kind of turbo blade dimension measuring device according to claim 1, which is characterized in that compact heap (3) with it is lower fixed
Position base (1) is rotatablely connected by rotational pin (8).
3. a kind of turbo blade dimension measuring device according to claim 1, which is characterized in that under lower positioning base (1)
End is fixed with lower plate (5), and lower plate (5) is fixedly connected with lower positioning base (1) by screw (17), lower positioning base (1)
Side be equipped with simultaneously with lower positioning base (1) and the upper side plate (6) that is fixedly connected of positioning base (2), side plate (6) and under
It is concordant with for placing the groove end face of turbo blade in positioning base (1).
4. a kind of turbo blade dimension measuring device according to claim 3, which is characterized in that side plate (6) with it is lower fixed
Position base (1) is fixedly connected by fastening screw (18), and side plate (6) and upper positioning base (2) are fixed by bolt group (21)
Connection；Upper positioning base (2) is equipped with through-hole, and bolt group (21) is placed in through-hole.
5. a kind of turbo blade dimension measuring device according to claim 1 or 3, which is characterized in that lower positioning base (1)
On for placing the groove rear and front end of turbo blade be respectively equipped with a locating piece placing groove, set respectively in locating piece placing groove
There are the first locating piece (11) and the second locating piece (12), upper positioning base (2) is close to placement for placing turbo blade groove one
The both ends of side are respectively equipped with a locating piece fixing groove, are equipped in the locating piece fixing groove of upper positioning base (2) for to be measured
Turbo blade carries out the fixed side positioning block (13) of lateral register.
6. a kind of turbo blade dimension measuring device according to claim 5, which is characterized in that the first locating piece (11) edge
Anterior-posterior horizontal placement is set in locating piece placing groove, and fixed by bolt and lower positioning base (1), the second locating piece (12)
It is set in locating piece placing groove along left and right horizontal direction, it is fixed by bolt and lower positioning base (1).
7. a kind of turbo blade dimension measuring device according to claim 1, which is characterized in that above position under base (2)
End is equipped with dowel hole, and lower positioning base (1) upper end is equipped with dowel hole corresponding with upper positioning base (2) dowel hole, on
It positioning base (2) upper end and is equipped with countersunk head through-hole, lower positioning base (1) upper end is equipped with the threaded hole coaxial with countersunk head through-hole, on
Positioning base (2) is fixedly connected with lower positioning base (1) by fixing bolt (16).
8. a kind of turbo blade dimension measuring device according to claim 1, which is characterized in that compact heap (3) is equipped with
Through-hole, lower positioning base (1) is equipped with threaded hole, and in compaction process, compact heap (3) passes through fastening bolt (17) and lower localization machine
Threaded hole on seat (1) cooperates compact heap (3).
9. a kind of turbo blade dimension measuring device according to claim 1, which is characterized in that on lower positioning base (1)
It is fixed with threaded rod, in compaction process, compact heap (3) is close to lower positioning base (1), using nut (7) and threaded rod fastening,
Pressure plate (9) are set between nut (7), compress compact heap (3) using pressure plate (9).
10. a kind of turbo blade dimension measurement method based on a kind of turbo blade dimension measuring device described in claim 5,
Characterized by comprising the following steps: turbo blade to be measured is placed in the groove of lower positioning base (1), make turbine to be measured
Blade one end is contacted with side slab end-face, then passes through the first locating piece (11), the second locating piece (12) and side positioning block (13)
After being positioned respectively to three directions of turbo blade to be measured, is compressed using compact heap (3) to turbo blade to be measured, then will
Detection table calibrate table with to table pin (23), will test table along the movement of upper positioning base (2) upper surface, turbine can be obtained
Integral shroud and listrium measured value after blade grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811371680.2A CN109341478B (en) | 2018-11-14 | 2018-11-14 | Turbine blade size measuring device and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811371680.2A CN109341478B (en) | 2018-11-14 | 2018-11-14 | Turbine blade size measuring device and measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109341478A true CN109341478A (en) | 2019-02-15 |
| CN109341478B CN109341478B (en) | 2020-10-09 |
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ID=65316326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811371680.2A Active CN109341478B (en) | 2018-11-14 | 2018-11-14 | Turbine blade size measuring device and measuring method |
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| Country | Link |
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| CN (1) | CN109341478B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113834455A (en) * | 2020-06-24 | 2021-12-24 | 中国航发商用航空发动机有限责任公司 | Turbine stator runout detection device |
| CN115096161A (en) * | 2022-06-28 | 2022-09-23 | 青岛中科国晟动力科技有限公司 | Compressor blade measuring device |
| CN115555921A (en) * | 2022-12-07 | 2023-01-03 | 北京汉飞航空科技有限公司 | Self-adaptive adjusting device and method for turbine blade based on six-point measuring tool |
| CN115096161B (en) * | 2022-06-28 | 2024-11-15 | 青岛中科国晟动力科技有限公司 | Compressor blade measuring device |
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| CN115555921A (en) * | 2022-12-07 | 2023-01-03 | 北京汉飞航空科技有限公司 | Self-adaptive adjusting device and method for turbine blade based on six-point measuring tool |
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|---|---|
| CN109341478B (en) | 2020-10-09 |
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