CN209181665U - It is a kind of for measuring the device of turbine blade root two sides boss - Google Patents
It is a kind of for measuring the device of turbine blade root two sides boss Download PDFInfo
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- CN209181665U CN209181665U CN201822064868.4U CN201822064868U CN209181665U CN 209181665 U CN209181665 U CN 209181665U CN 201822064868 U CN201822064868 U CN 201822064868U CN 209181665 U CN209181665 U CN 209181665U
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- boss
- blade root
- sides
- radius gauge
- pedestal
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Abstract
The utility model provides a kind of for measuring the device of turbine blade root two sides boss, when it can solve the boss size of existing measurement turbine blade root two sides, higher cost using calliper to measure inaccuracy, and when Three-coordinate measurer being used to measure, the problem of low efficiency.It includes pedestal, upper radius gauge and lower radius gauge, and serrate slot is provided on pedestal, is equipped with Top fastening screw in the vertical screw hole of pedestal；It is fixedly installed with baffle on the front end face of pedestal, the two sides of the serrate slot below baffle are fixedly installed with vertical guiding device respectively；Upper radius gauge and lower radius gauge can be slidably matched between two vertical guiding devices of insertion respectively by lower section, and its lower end can be abutted with the lower end of vertical guiding device respectively, the top surface of upper radius gauge is with the consistent arc surface of upper surface shape of the boss of blade root and lower than the upper surface of boss；The top surface of lower radius gauge is with the consistent arc surface of underside shape of boss and lower than the lower surface of boss.
Description
Technical field
The utility model relates to turbine Blade Machining fields of measurement, specially a kind of for measuring turbine blade root
The device of two sides boss.
Background technique
Fig. 1 is a kind of turbine blade, is respectively provided with boss 3, the upper surface 4 of boss on the two sides angle faces 2 of blade root 1
It is arc surface with lower surface 5.The boss of blade root two sides plays vital work during blade is assembled to rotor
With so can not be ignored for the control of boss processing quality.Currently, the measurement of boss size usually passes through slide calliper rule or three seats
Mark measuring device is completed, but due to boss upper and lower surfaces be arc surface, using calliper to measure inaccuracy, and low efficiency；
And higher cost when Three-coordinate measurer being used to measure, and for enterprise limited for Three-coordinate measurer resource,
The deadline of boss dimensional measurement not can guarantee, and is easy to influence the time of delivery, causes measurement efficiency low indirectly.
Summary of the invention
When for the existing boss size for measuring turbine blade root two sides, using calliper to measure inaccuracy, and use
The technical issues of higher cost when Three-coordinate measurer measures, low efficiency, the utility model provide a kind of for measuring
The device of turbine blade root two sides boss is able to achieve boss size rapid survey, and measurement result is accurate, stablizes, and is suitble to
Batch production.
Its technical solution is such that a kind of for measuring the device of turbine blade root two sides boss, and feature exists
In: it includes pedestal, upper radius gauge and lower radius gauge, is offered downwards and turbine blade on the top surface of the pedestal
The consistent serrate slot of the theoretical profile of blade root, the serrate slot are penetrated through along the front-rear direction of the pedestal, and the blade root cooperation is inserted
The angle faces for entering the blade root after the serrate slot are parallel with the front end face of the pedestal；Offered on the bottom surface of the pedestal with
The vertical screw hole of serrate slot connection is equipped with Top fastening screw in the vertical screw hole；It is fixed on the front end face of the pedestal
Baffle across the serrate slot is installed, the two sides of the serrate slot below the baffle are fixedly installed with perpendicular respectively
To guiding device；The insertion two that can be slidably matched respectively by lower section of the upper radius gauge and the lower radius gauge is described vertical
Between guiding device, and its lower end can be abutted with the lower end of the vertical guiding device respectively, the top surface of the upper radius gauge
The consistent arc surface of upper surface shape for the boss with the blade root and the upper surface lower than the boss；The lower circular arc sample
The top surface of plate is with the consistent arc surface of underside shape of the boss and lower than the lower surface of the boss.
It is further characterized by:
The baffle is plate and its both ends is fixedly mounted on the base by screw respectively.
The vertical guiding device is in vertically arranged rectangular slab, and the rectangular slab is fixed in by screw and positioning pin
On the pedestal.
Two vertical guiding devices are symmetricly set on the two sides of the serrate slot.
The upper radius gauge is to be respectively equipped with card base one in vertically arranged plate structure and its lower end two sides, it is described on
Radius gauge is slidably matched between two rectangular slabs of insertion by lower section and the top surface and the bottom of the rectangular slab of its card base one
Face abuts positioning, and the step for avoiding the boss is offered on the trailing flank of the upper radius gauge.
The lower radius gauge is to be respectively equipped with card base two in vertically arranged plate structure and its lower end two sides, under described
Radius gauge is slidably matched between two rectangular slabs of insertion by lower section and the top surface and the bottom of the rectangular slab of its card base two
Face abuts positioning, and the top surface front and rear sides of the lower radius gauge are machined with chamfering respectively.
The beneficial effects of the utility model are:
Pedestal can be directly mounted on the leaf of turbine blade using Top fastening screw by the boss measuring device of the utility model
On root, the setting of baffle realizes the accurate positionin to blade root and pedestal, and the setting of vertical guiding device can be to upper circular arc sample
Plate and lower radius gauge play positioning and guiding role, after upper radius gauge is installed in place, in comparison the top surface of radius gauge with
The height of boss upper surface judges whether boss upper surface size is qualified by difference of height, after lower radius gauge is installed in place,
The light leakage value between the top surface and boss lower surface of lower radius gauge is measured, judges that boss lower surface size is by light leakage value
No qualification, easy to operate, quick, measurement result is accurate, stablizes, while present apparatus structure is simple, easy to process, the manufacturing cycle
It is short, manufacturing cost it is low, it can be achieved that same model blade root measure batch.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of two turbine blades with boss of blade root；
Fig. 2 is the main view of the utility model；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the main view of upper radius gauge；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is the main view of lower radius gauge；
Fig. 7 is the cross-sectional view of the line A-A along Fig. 6；
Fig. 8 is the schematic diagram that boss lower surface is measured using utility model device.
Appended drawing reference: 1- blade root；2- angle faces；3- boss；The upper surface of 4- boss；The lower surface of 5- boss；The bottom 10-
Seat；The top surface of 11- pedestal；12- serrate slot；The front end face of 13- pedestal；The vertical screw hole of 14-；The upper radius gauge of 20-；Circle on 21-
The top surface of arc template；22- card base one；23- step；Radius gauge under 30-；The top surface of radius gauge under 31-；32- card base two；
33- chamfering；40- Top fastening screw；50- baffle；51- screw one；60- rectangular slab；61- screw two；62- positioning pin.
Specific embodiment
See Fig. 2 to Fig. 8, a kind of for measuring the device of turbine blade root two sides boss, the packet of the utility model
Pedestal 10, upper radius gauge 20 and lower radius gauge 30 are included, offers the leaf with turbine blade on the top surface 11 of pedestal downwards
The consistent serrate slot 12 of the theoretical profile of root 1, serrate slot 12 are penetrated through along the front-rear direction of pedestal 10, the cooperation insertion tooth form of blade root 1
The angle faces 2 of blade root 1 and the front end face 13 of pedestal are parallel after slot 12；It offers on the bottom surface of pedestal 10 and is connected to serrate slot 12
Vertical screw hole 14 is equipped with Top fastening screw 40 in vertical screw hole 14；It is fixedly installed on the front end face 13 of pedestal across serrate slot
12 baffle 50, baffle 50 is plate and its both ends passes through screw 1 respectively and is fixedly mounted on pedestal 10, is located at baffle 50
The two sides of the serrate slot 12 of lower section are fixedly installed with vertical guiding device respectively；Upper radius gauge 20 and lower radius gauge 30 difference
Can be slidably matched by lower section insertion two vertical guiding devices between, and its lower end can the lower end respectively with vertical guiding device support
It connects, the top surface 21 of upper radius gauge is with the consistent arc surface of 4 shape of upper surface of the boss of blade root 1 and lower than the upper table of boss
Face 4；The top surface 31 of lower radius gauge is with the consistent arc surface of 5 shape of lower surface of boss and lower than the lower surface 5 of boss.
See that Fig. 2, vertical guiding device are in vertically arranged rectangular slab 60, rectangular slab 60 passes through screw 2 61 and positioning pin
62 are fixed on pedestal 10；Two vertical guiding devices are symmetricly set on the two sides of serrate slot 12.It is designed in this way, vertical guiding dress
It is simple to set structure, it is easy to process.
See that Fig. 4 and Fig. 5, upper radius gauge 20 are to be respectively equipped with card base in vertically arranged plate structure and its lower end two sides
One 22, upper radius gauge 20 is slidably matched between two rectangular slabs 60 of insertion by lower section and top surface and the rectangular slab of its card base 1
60 bottom surface abuts positioning, and the step 23 for avoiding boss 3 is offered on the trailing flank of upper radius gauge 20；See Fig. 6 and figure
7, lower radius gauge 30 is to be respectively equipped with card base 2 32, lower radius gauge 30 in vertically arranged plate structure and its lower end two sides
It is slidably matched between two rectangular slabs 60 of insertion by lower section and the top surface of its card base 2 32 abuts positioning with the bottom surface of rectangular slab 60,
The top surface front and rear sides of lower radius gauge 30 are machined with chamfering 33 respectively.It is designed in this way, upper radius gauge and lower radius gauge
Structure is simple, and processing and manufacturing is easy.Light leakage is convenient in the setting of chamfering on lower radius gauge, convenient for detection light leakage value.
The lower process using utility model device measurement boss upper and lower surfaces is detailed below: such as Fig. 8 institute
Show, pedestal 10 is inserted in blade root 1 from the side of blade root 1, is resisted against the angle faces 2 of blade root 1 on baffle 50, then with holding out against spiral shell
Nail 40 holds out against blade root 1, the assembly of pedestal 10 and blade root 1 is completed, followed by measurement；By lower radius gauge 30 from below to
Until card base 2 32 is abutted with the bottom surface of rectangular slab 60 between two rectangular slabs 60 of upper insertion, then with the lower circular arc sample of clearance gauge measurement
Light leakage value between the top surface 31 of plate and the lower surface 5 of boss judges whether boss lower surface size is qualified by light leakage value；
After being measured, take out lower radius gauge 30, by upper radius gauge 20 be inserted upwardly between two rectangular slabs 60 from below until
Card base 1 is abutted with the bottom surface of rectangular slab 60, then certain thickness clearance gauge is placed on the top surface 21 of upper radius gauge, directly
It is touched to clearance gauge top surface and the upper surface of boss 4 flat, judges whether boss upper surface size closes by the thickness value of clearance gauge at this time
Lattice.
Claims (6)
1. a kind of for measuring the device of turbine blade root two sides boss, it is characterised in that: it includes pedestal, upper circular arc sample
Plate and lower radius gauge offer downwards and the consistent tooth of the theoretical profile of the blade root of turbine blade on the top surface of the pedestal
Shape slot, the serrate slot are penetrated through along the front-rear direction of the pedestal, and the blade root after the serrate slot is inserted into the blade root cooperation
Angle faces it is parallel with the front end face of the pedestal；The vertical spiral shell being connected to the serrate slot is offered on the bottom surface of the pedestal
Hole is equipped with Top fastening screw in the vertical screw hole；It is fixedly installed on the front end face of the pedestal across the serrate slot
The two sides of baffle, the serrate slot below the baffle are fixedly installed with vertical guiding device respectively；The upper circular arc
Template and the lower radius gauge can be slidably matched between two vertical guiding devices of insertion respectively by lower section, and its lower end
It can be abutted respectively with the lower end of the vertical guiding device, the top surface of the upper radius gauge is upper with the boss of the blade root
The consistent arc surface of surface shape and the upper surface for being lower than the boss；The top surface of the lower radius gauge is and the boss
The consistent arc surface of underside shape and the lower surface for being lower than the boss.
2. according to claim 1 a kind of for measuring the device of turbine blade root two sides boss, it is characterised in that:
The baffle is plate and its both ends is fixedly mounted on the base by screw respectively.
3. according to claim 1 a kind of for measuring the device of turbine blade root two sides boss, it is characterised in that:
The vertical guiding device is in vertically arranged rectangular slab, and the rectangular slab is fixed in the pedestal by screw and positioning pin
On.
4. according to claim 1 a kind of for measuring the device of turbine blade root two sides boss, it is characterised in that:
Two vertical guiding devices are symmetricly set on the two sides of the serrate slot.
5. according to claim 3 a kind of for measuring the device of turbine blade root two sides boss, it is characterised in that:
The upper radius gauge is to be respectively equipped with card base one, the upper radius gauge in vertically arranged plate structure and its lower end two sides
It is slidably matched between two rectangular slabs of insertion by lower section and the top surface of its card base one abuts with the bottom surface of the rectangular slab and determines
, the step for avoiding the boss is offered on the trailing flank of the upper radius gauge.
6. according to claim 3 a kind of for measuring the device of turbine blade root two sides boss, it is characterised in that:
The lower radius gauge is to be respectively equipped with card base two, the lower radius gauge in vertically arranged plate structure and its lower end two sides
It is slidably matched between two rectangular slabs of insertion by lower section and the top surface of its card base two abuts with the bottom surface of the rectangular slab and determines
Position, the top surface front and rear sides of the lower radius gauge are machined with chamfering respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064868.4U CN209181665U (en) | 2018-12-10 | 2018-12-10 | It is a kind of for measuring the device of turbine blade root two sides boss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064868.4U CN209181665U (en) | 2018-12-10 | 2018-12-10 | It is a kind of for measuring the device of turbine blade root two sides boss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209181665U true CN209181665U (en) | 2019-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822064868.4U Active CN209181665U (en) | 2018-12-10 | 2018-12-10 | It is a kind of for measuring the device of turbine blade root two sides boss |
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| CN (1) | CN209181665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443134A (en) * | 2018-12-10 | 2019-03-08 | 无锡透平叶片有限公司 | For measuring the device of turbine blade root two sides boss |
-
2018
- 2018-12-10 CN CN201822064868.4U patent/CN209181665U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443134A (en) * | 2018-12-10 | 2019-03-08 | 无锡透平叶片有限公司 | For measuring the device of turbine blade root two sides boss |
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