CN209541647U - A kind of adjustable special measuring tool of radial angle for turbine blade installation - Google Patents
A kind of adjustable special measuring tool of radial angle for turbine blade installation Download PDFInfo
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- CN209541647U CN209541647U CN201920693656.4U CN201920693656U CN209541647U CN 209541647 U CN209541647 U CN 209541647U CN 201920693656 U CN201920693656 U CN 201920693656U CN 209541647 U CN209541647 U CN 209541647U
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- blade
- ruler
- positioning rule
- pin hole
- turbine blade
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Abstract
A kind of adjustable special measuring tool of radial angle for turbine blade installation is related to a kind of special measuring tool for turbine blade installation.Purpose is when solving the problems, such as turbine blade installation for measuring the poor universality of the measurer of radially installed angle.The utility model measurer is made of blade, end ruler and positioning rule；The second straight pin that can be realized positioning rule rotation with its clearance fit is provided in the second cylinder pin hole in the middle part of positioning rule, first straight pin there are two being vertically arranged in positioning rule, the end of the first straight pin is arranged with ball bearing to contact positioning with the outer rim of brush disk respectively.The measurer can guarantee the uniform specification of blade, and quickly and accurately pick out unqualified blade, which can adapt to the blade of different radially installed angles, not need to match multiple measurers, versatility is good.The utility model is suitable for installation turbine blade.
Description
Technical field
The utility model relates to a kind of special measuring tools for turbine blade installation.
Background technique
When turbine blade is installed is usually radially installed, the measurement of radially installed angle or the screening of unqualified blade
Special measuring tool is needed, different blades has different radially installed angles, it is therefore desirable to match multiple measurers, in turn result in vapour
The problem of poor universality of measurer when turbine blade is installed for measuring radially installed angle.
Utility model content
For measuring the versatility of the measurer of radially installed angle when the utility model is in order to solve turbine blade installation
The problem of difference proposes a kind of adjustable special measuring tool of radial angle for turbine blade installation.
The utility model is used for the adjustable special measuring tool of radial angle of turbine blade installation by blade, end ruler and positioning
Ruler is constituted；
The end ruler is set to blade front end side, and positioning rule is set to the blade front end other side, blade front end and end ruler
Middle part is vertically affixed, is provided with the second cylinder pin hole in the middle part of positioning rule, is provided in the second cylinder pin hole and its clearance fit
It can be realized the second straight pin of positioning rule rotation, the second straight pin is fixed on blade and end ruler；Positioning rule both ends are symmetrically set
Be equipped with arc-shaped slide groove, be provided with screw hole at the center line center of arc-shaped slide groove on corresponding end ruler, T-type screw from
End ruler back side penetrates arc-shaped slide groove and leans out to arc-shaped slide groove, the T-type screw outside arc-shaped slide groove
Wing nut is provided on screw rod；It is respectively perpendicular on the inside of two arc-shaped slide grooves in positioning rule there are two being arranged towards end ruler
First straight pin, holds jagged with the setting of two the first straight pin corresponding positions on ruler, and the first straight pin is leant out to notch,
The end for leaning out two to notch the first straight pins is arranged with ball bearing respectively.
Further, the width of the notch on the end ruler is greater than the first straight pin diameter at least 3mm.
Further, the blade, end ruler and positioning rule are stripe board.
Further, the blade front end is provided with step groove, and setting is fluted in the middle part of the ruler of end, and step groove is opposite with groove
Setting, blade front end are fixedly connected in the middle part of the ruler of end by sunk head rivet.
Further, it is provided with the end ruler pin hole to fix the second straight pin on the blade, is arranged on the ruler of end useful
To fix the blade pin hole of the second straight pin, ruler pin hole and blade pin hole is held to overlap, second straight pin one end sequentially passes through
It holds ruler pin hole and blade pin hole and is interference fit with end ruler pin hole and blade pin hole.
Further, the screw hole port of the end ruler back side is kidney-shaped counterbore.
Further, be provided in the positioning rule for fix the first straight pin and with the first straight pin be interference
The positioning rule pin hole of cooperation.
The utility model has the beneficial effect that
The utility model can guarantee the rule of blade for the adjustable special measuring tool of radial angle of turbine blade installation
Lattice are unified, and quickly and accurately pick out unqualified blade, which can adapt to the leaf of different radially installed angles
Piece does not need to match multiple measurers, and versatility is good.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram in embodiment for the adjustable special measuring tool of radial angle of turbine blade installation；
Fig. 2 is sectional view along A-A in Fig. 1；
Fig. 3 is the A of Fig. 2 to partial view；
Fig. 4 is 1 front end of blade affixed structural schematic diagram vertical with 2 middle part of end ruler in embodiment；
Fig. 5 is cross-sectional view at C-C in Fig. 4；
Fig. 6 is the main view of embodiment middle-end ruler 2；
Fig. 7 is the top view of Fig. 6；
Fig. 8 is the main view of blade 1 in embodiment；
Fig. 9 is the top view of Fig. 8；
Figure 10 is the main view of positioning rule 3 in embodiment；
Figure 11 is the top view of Figure 10；
Figure 12 is the adjustable special measuring tool measurement process signal of radial angle in embodiment for turbine blade installation
Figure；A is one of blade in figure, and b is position line, and c is brush disk, and d is the annular protrusion on brush disk, the circle of annular protrusion
The heart is overlapped with the brush disk center of circle；
Figure 13 is radial cross-section at f in Figure 12；A is blade in figure, and c is brush disk, and d is the convex annular on brush disk
It rises, the center of circle of annular protrusion is overlapped with the brush disk center of circle.
Specific embodiment:
In order to keep the objectives, technical solutions, and advantages of the present invention more clear, with reference to the accompanying drawings and embodiments,
This hair is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and unlimited
The fixed present invention.
Embodiment 1: illustrate that the present embodiment, the present embodiment are used for the diameter of turbine blade installation in conjunction with figure explanatory diagram 1~12
It is made of to adjustable-angle special measuring tool blade 1, end ruler 2 and positioning rule 3；
The end ruler 2 is set to 1 front end side of blade, and positioning rule 3 is set to the 1 front end other side of blade, 1 front end of blade with
Hold the middle part of ruler 2 vertical affixed, the second cylinder pin hole 7 be provided in the middle part of positioning rule 3, be provided in the second cylinder pin hole 7 with therebetween
The second straight pin 16 that can be realized the rotation of positioning rule 3 of gap cooperation, the second straight pin 16 are fixed on blade 1 and end ruler 2；
3 both ends of positioning rule are symmetrically arranged with arc-shaped slide groove 6, corresponding at the center line center of arc-shaped slide groove 6
Screw hole 11 is provided on the ruler 2 of end, T-type screw penetrates arc-shaped slide groove 6 from end 2 back side of ruler and leans out to arc-shaped slide groove
Outside 6, wing nut 17 is provided on the screw rod of the T-type screw outside arc-shaped slide groove 6；It is arc-shaped when positioning rule 3 rotates
Sliding rail of the slide groove 6 as T-type screw, after positioning rule 3 rotates, 3 side of positioning rule and 1 side of blade form certain angle
α at this time locks wing nut 17, and positioning rule 3 and end ruler 2 are locked by wing nut 17 and T-type screw, positioning rule 3 and end ruler 2
Between can not relatively rotate again.
Being respectively perpendicular setting in positioning rule 3 on the inside of two arc-shaped slide grooves 6, there are two the first straight pins towards end ruler 2
4, hold jagged with the setting of two 4 corresponding positions of the first straight pin on ruler 2, the first straight pin 4 is leant out to notch, lean out to
The end of two the first straight pins 4 on the outside of notch is arranged with ball bearing 5 respectively；When turbine blade is installed, two ball bearings 5
To contact positioning with the outer rim of brush disk.
Further, the width of the notch on the end ruler 2 is greater than 4 diameter of the first straight pin at least 3mm.The width of notch
Greater than 4 diameter of the first straight pin, it can guarantee there are enough relative rotation angles between positioning rule 3 and end ruler 2, to guarantee to adapt to
The installation of the blade of different radially installed angles.
Further, the blade 1, end ruler 2 and positioning rule 3 are stripe board.
Further, 1 front end of blade is provided with step groove 14, holds and is arranged fluted 12 in the middle part of ruler 2, step groove 14 with
Groove 12 is oppositely arranged, and 1 front end of blade is fixedly connected in the middle part of the ruler 2 of end by sunk head rivet.
Further, it is provided with the end ruler pin hole 13 to fix the second straight pin 16 on the blade 1, holds and is set on ruler 2
It is equipped with the blade pin hole 15 to fix the second straight pin 16, holds ruler pin hole 13 and blade pin hole 15 to overlap, the second cylinder
16 one end of pin sequentially passes through end ruler pin hole 13 and blade pin hole 15 and is interference fit with end ruler pin hole 13 and blade pin hole 15.
Further, 11 port of screw hole of 2 back side of end ruler is kidney-shaped counterbore.Kidney-shaped counterbore is to place and fix
The "-" type head of screw of T-type screw.
Further, it is provided in the positioning rule 3 for fixing the first straight pin 4 and with the first straight pin 4 be
It is full of the positioning rule pin hole 8 of cooperation.
It the present embodiment measurer application method and has the beneficial effect that
When turbine blade is installed, radial blade position line is drawn first on brush disk, is with one of position line
Starting point places first blade as rule blade, and the groove of first blade is buckled on the annular protrusion of brush disk, and first
The radial blade position line of the side alignment of blade, will fix first blade on brush disk with fixture.First blade peace
After the completion of dress, the bearing outer ring of two ball bearings 5 in measurer is resisted against to the outer rim of brush disk, by being resisted against for 1 side of blade
Another side of blade, screwing wing nut 17 keeps positioning rule 3 and end ruler 2 relatively fixed, i.e., positioning rule 3 and blade 1 are opposite
Fixed, the angle between 1 side of 3 side of positioning rule and blade is blade angle degree at this time.
Then take second blade, by the groove of taken blade be buckled on the annular protrusion of brush disk and with first blade
It is close to, the bearing outer ring of two ball bearings 5 in measurer is resisted against to the outer rim of brush disk, 1 side of blade is resisted against second
The side of the exposing of a blade observes whether 1 side of blade and the side of second blade generate gap at this time, if between generating
Gap, then there are mismachining tolerances for one of side of second blade of explanation, are not inconsistent with rule blade, need to re-work.
The adjustable special measuring tool of radial angle and according to the method described above using the present embodiment for turbine blade installation
Blade is measured one by one, can guarantee the uniform specification of blade, and quickly and accurately picks out unqualified blade.And the present embodiment
Can occur between middle positioning rule 3 and end ruler 2 to rotation, so blade 1 and positioning rule 3 between angle it is adjustable,
The blade that can adapt to different radially installed angles does not need to match multiple measurers, and versatility is good.
Claims (7)
1. a kind of adjustable special measuring tool of radial angle for turbine blade installation, it is characterised in that: the measurer is by blade
(1), ruler (2) and positioning rule (3) is held to constitute；
The end ruler (2) is set to blade (1) front end side, and positioning rule (3) is set to blade (1) front end other side, blade (1)
Front end is vertical affixed in the middle part of end ruler (2), is provided with the second cylinder pin hole (7) in the middle part of positioning rule (3), the second cylinder pin hole (7)
It is inside provided with the second straight pin (16) that can be realized positioning rule (3) rotation with its clearance fit, the second straight pin (16) is solid
It is scheduled on blade (1) and end ruler (2)；Positioning rule (3) both ends are symmetrically arranged with arc-shaped slide groove (6), arc-shaped slide groove (6)
Center line center at be provided with screw hole (11) on corresponding end ruler (2), T-type screw penetrates arc-shaped from end ruler (2) back side
Slide groove (6) is simultaneously leant out to arc-shaped slide groove (6), is arranged on the screw rod of the external T-type screw of arc-shaped slide groove (6)
There are wing nut (17)；It is respectively perpendicular on the inside of positioning rule (3) upper two arc-shaped slide grooves (6) there are two being arranged towards end ruler
(2) the first straight pin (4) is held and jagged, the first straight pins is arranged with two the first straight pin (4) corresponding positions on ruler (2)
(4) it leans out to notch, the end for leaning out two to notch the first straight pins (4) is arranged with ball bearing (5) respectively.
2. the radial angle adjustable special measuring tool according to claim 1 for turbine blade installation, feature exist
In: the width of the notch on the end ruler (2) is greater than the first straight pin (4) diameter at least 3mm.
3. the radial angle adjustable special measuring tool according to claim 1 or 2 for turbine blade installation, feature
Be: the blade (1), end ruler (2) and positioning rule (3) are stripe board.
4. the radial angle adjustable special measuring tool according to claim 3 for turbine blade installation, feature exist
In: blade (1) front end is provided with step groove (14), and fluted (12) are arranged in the middle part of end ruler (2), step groove (14) and groove
(12) it is oppositely arranged, blade (1) front end is fixedly connected in the middle part of end ruler (2) by sunk head rivet.
5. the radial angle adjustable special measuring tool according to claim 1,2 or 4 for turbine blade installation, special
Sign is: being provided with the end ruler pin hole (13) to fix the second straight pin (16) on the blade (1), is arranged on end ruler (2)
There is the blade pin hole (15) to fix the second straight pin (16), ruler pin hole (13) and blade pin hole (15) is held to overlap, the
Two straight pins (16) one end sequentially pass through end ruler pin hole (13) and blade pin hole (15) and with hold ruler pin hole (13) and blade pin hole
It (15) is interference fit.
6. the radial angle adjustable special measuring tool according to claim 5 for turbine blade installation, feature exist
In: screw hole (11) port of end ruler (2) back side is kidney-shaped counterbore.
7. the radial angle adjustable special measuring tool according to claim 6 for turbine blade installation, feature exist
In: be provided on the positioning rule (3) for fix the first straight pin (4) and with the first straight pin (4) be interference fit
Positioning rule pin hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920693656.4U CN209541647U (en) | 2019-05-15 | 2019-05-15 | A kind of adjustable special measuring tool of radial angle for turbine blade installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920693656.4U CN209541647U (en) | 2019-05-15 | 2019-05-15 | A kind of adjustable special measuring tool of radial angle for turbine blade installation |
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| CN209541647U true CN209541647U (en) | 2019-10-25 |
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| CN201920693656.4U Active CN209541647U (en) | 2019-05-15 | 2019-05-15 | A kind of adjustable special measuring tool of radial angle for turbine blade installation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780648A (en) * | 2020-07-14 | 2020-10-16 | 中国船舶科学研究中心 | Semi-submerged propeller propulsion unit angle measurement tool and measurement method |
| CN113295076A (en) * | 2021-06-01 | 2021-08-24 | 哈尔滨汽轮机厂有限责任公司 | Gas compressor guide blade installation angle measuring tool and using method thereof |
| CN116576152A (en) * | 2023-07-12 | 2023-08-11 | 中国空气动力研究与发展中心低速空气动力研究所 | Wind tunnel fan blade fixing device and wind tunnel fan with adjustable blade mounting angle |
-
2019
- 2019-05-15 CN CN201920693656.4U patent/CN209541647U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780648A (en) * | 2020-07-14 | 2020-10-16 | 中国船舶科学研究中心 | Semi-submerged propeller propulsion unit angle measurement tool and measurement method |
| CN113295076A (en) * | 2021-06-01 | 2021-08-24 | 哈尔滨汽轮机厂有限责任公司 | Gas compressor guide blade installation angle measuring tool and using method thereof |
| CN113295076B (en) * | 2021-06-01 | 2022-11-25 | 哈尔滨汽轮机厂有限责任公司 | Gas compressor guide blade installation angle measuring tool and using method thereof |
| CN116576152A (en) * | 2023-07-12 | 2023-08-11 | 中国空气动力研究与发展中心低速空气动力研究所 | Wind tunnel fan blade fixing device and wind tunnel fan with adjustable blade mounting angle |
| CN116576152B (en) * | 2023-07-12 | 2023-09-22 | 中国空气动力研究与发展中心低速空气动力研究所 | Wind tunnel fan blade fixing device and wind tunnel fan with adjustable blade mounting angle |
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