CN209125688U - A kind of blade locking device - Google Patents
A kind of blade locking device Download PDFInfo
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- CN209125688U CN209125688U CN201822107666.3U CN201822107666U CN209125688U CN 209125688 U CN209125688 U CN 209125688U CN 201822107666 U CN201822107666 U CN 201822107666U CN 209125688 U CN209125688 U CN 209125688U
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- locating piece
- blade
- tongue
- groove
- locking device
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Abstract
The application belongs to moving turbine blade field, in particular to a kind of blade locking device.It include: blade, main body, positioning roller.The blade is provided with tenon tooth；The main body includes the first locating piece and the second locating piece, first locating piece is connect by thin-wall construction with second locating piece, tongue-and-groove is formed between first locating piece and second locating piece, the slot rolling being connected to the tongue-and-groove is offered on first locating piece and second locating piece, it is also provided with compatible threaded hole on first locating piece and second locating piece, is fastened first locating piece and second locating piece by screw；The positioning roller is arranged in the slot rolling, is positioned the tenon tooth being arranged in the tongue-and-groove by the positioning roller.The application may be implemented blade and exactly match in the positioning in three directions, tongue-and-groove and tenon tooth, improves the precision of blade locking device, meets size detection and processing request to blade higher precision.
Description
Technical field
The application belongs to moving turbine blade field, in particular to a kind of blade locking device.
Background technique
Structure is complicated for moving turbine blade, dimensional accuracy is high, is one of the component of most critical in engine, quality is whole
The guarantee of platform engine quality.Therefore, particularly important to the processing of blade and size detection.The positioning device of blade is to guarantee to add
Work and detecting size are accurately basic.
In the prior art, as shown in Figure 1, positioning device is usually made of main body 2, small planchet 3, positioning screw 4.In main body
2 upper middle position is equipped with tongue-and-groove 7, and 7 bottom middle position of tongue-and-groove is equipped with circular hole 6, and 6 bottom of circular hole is equipped with threaded hole 5.It is giving
When rotor blade carries out Set and Positioning, the tenon tooth 8 of blade 1 is put into tongue-and-groove 7, withstands small planchet by turning positioning screw 4
3, small planchet 3 withstands 8 bottom of tenon tooth and carrys out realization body 2 to the clamping of blade 1.After blade 1 is clamped completely, with each of main body 2
On the basis of a plane, processing and size detection are carried out to moving turbine blade.
As shown in Figures 2 and 3, the positioning to blade X and Z-direction may be implemented in positioning device in the prior art, but lacks
The positioning of few Y-direction.In order to which blade 1 to be packed into positioning device, tongue-and-groove 7 and the shape and size of blade tenon tooth 8 are not complete
It is complete consistent, but there are certain gaps, this will lead to position difference of the blade after each clamping, is measured not homogeneous clamping
Afterwards there is at least deviation of 0.1mm or more in tip segment.The consistency of clamping is poor, is not able to satisfy high-precision processing and size inspection
The requirement of survey.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Summary of the invention
The purpose of the application there is provided a kind of blade locking device, with solve it is of the existing technology at least one ask
Topic.
The technical solution of the application is:
A kind of blade locking device, comprising:
Blade, the blade are provided with tenon tooth；
Main body, the main body include the first locating piece and the second locating piece, first locating piece by thin-wall construction with
The second locating piece connection, forms tongue-and-groove, first locating piece between first locating piece and second locating piece
With offer the slot rolling being connected to the tongue-and-groove on second locating piece, on first locating piece and second locating piece
It is also provided with compatible threaded hole, is fastened first locating piece and second locating piece by screw；
Roller is positioned, the positioning roller is arranged in the slot rolling, will be arranged by the positioning roller in the tenon
Tenon tooth positioning in slot.
Optionally, the tongue-and-groove is identical as the size of the tenon tooth.
Optionally, the end of the positioning roller is provided with rolling hand, convenient for rolling to the positioning roller.
Optionally, the cross section of second locating piece is L-shaped.
Optionally, the threaded hole is the threaded hole with counterbore.
At least there are following advantageous effects in utility model:
The blade locking device of the application, may be implemented blade in the positioning in three directions, can be by tongue-and-groove size and leaf
Piece tenon tooth be arranged to it is completely the same, by the elasticity of positioning device thin-wall construction itself and tightening and unclamp and realizing for screw
Clamping, fixation and the disassembly of blade, improve the precision of blade locking device, meet to the size detection of blade higher precision and
Processing request.
Detailed description of the invention
Fig. 1 is the blade locking device installation diagram of the prior art；
Fig. 2 is the blade locking device schematic diagram of the prior art；
Fig. 3 is the A direction view of Fig. 2；
Fig. 4 is the blade locking device three-dimensional figure of one embodiment of the application；
Fig. 5 is the blade locking device top view of one embodiment of the application；
Fig. 6 is the A direction view of Fig. 5.
Wherein:
1- blade；2- main body；The small planchet of 3-；4- screw；5- threaded hole；6- circular hole；7- tongue-and-groove；8- tenon tooth；9- first is fixed
Position block；The second locating piece of 10-；11- positions roller；12- thin-wall construction.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the application
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 use
In explanation the application, and it should not be understood as the limitation to the application.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.Under
Face is described in detail embodiments herein in conjunction with attached drawing.
In the description of the present application, 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 application and simplifies description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the application
The limitation of range.
4 to Fig. 6 the application is described in further details with reference to the accompanying drawing.
This application provides a kind of blade locking devices, comprising: main body 2 and positioning roller 11, blade locking device are used
In the tenon tooth 8 of locating blades 1.
Specifically, main body 2 include the first locating piece 9 and the second locating piece 10, the first locating piece 9 by thin-wall construction 12 with
The connection of second locating piece 10 forms tongue-and-groove 7, the first locating piece 9 and the second positioning between first locating piece 9 and the second locating piece 10
The slot rolling being connected to tongue-and-groove 7 is offered on block 10, is also provided with compatible screw thread on the first locating piece 9 and the second locating piece 10
Hole 5 is fastened the first locating piece 9 and the second locating piece 10 by screw 4；It positions roller 11 to be arranged in slot rolling, passes through positioning
Roller 11 positions the tenon tooth 8 being arranged in tongue-and-groove 7.
In the embodiment of the application, the cross section of the second locating piece 10 is L-shaped, the setting of 9 bottom of the first locating piece
There is flexible thin-wall construction 12, be fulcrum with thin-wall construction 12, the first locating piece 9 is connect with the second locating piece 10.
It is understood that the end of positioning roller 11 is provided with rolling hand in the application, convenient for carrying out to positioning roller 11
It rolls.Threaded hole 5 is the threaded hole with counterbore.
The blade locking device of the application, 7 size of tongue-and-groove between the first locating piece 9 and the second locating piece 10 of main body 2
The tenon tooth 8 of size and blade is consistent.When carrying out Set and Positioning to blade 1, blade tenon tooth 8 is put into tongue-and-groove 7, if nothing
Method be packed into, can use the elasticity of thin-wall construction 12, with thin-wall construction 12 be fulcrum by the first locating piece 9 along 7 side of expansion of tongue-and-groove
To bending, after blade tenon tooth 8 is put into tongue-and-groove 7, one end of blade tenon tooth 8 is leaned against on positioning roller 11, is realized to the blade side Y
To positioning, then tighten screw 4, using the elasticity of thin-wall construction 12, blade 1 be completely fixed, realize to the dress of blade
Clamp position.The blade locking device of the application deviation of tip segment after measuring not homogeneous clamping can control 0.05mm with
It is interior.
The blade locking device of the application, after realizing blade clamping, with two vertical planes of main body 2 and positioning rolling
On the basis of the center of circle of stick 11, size detection and processing are carried out to moving turbine blade.
The blade locking device of the application realizes the positioning to blade Y-direction by setting positioning roller；Tongue-and-groove and tenon tooth
The dress to realize blade is tightened and unclamped to size exact matching by the elasticity and screw of positioning device thin-wall construction itself
Folder, fixed and disassembly, improve the precision of blade locking device, and satisfaction wants the size detection of blade higher precision and processing
It asks.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims
It is quasi-.
Claims (5)
1. a kind of blade locking device characterized by comprising
Blade (1), the blade (1) are provided with tenon tooth (8)；
Main body (2), the main body (2) include the first locating piece (9) and the second locating piece (10), and first locating piece (9) is logical
It crosses thin-wall construction (12) to connect with second locating piece (10), first locating piece (9) and second locating piece (10)
Between form tongue-and-groove (7), offered on first locating piece (9) and second locating piece (10) and the tongue-and-groove (7) even
It is also provided with compatible threaded hole (5) on logical slot rolling, first locating piece (9) and second locating piece (10), is led to
Screw (4) is crossed to fasten first locating piece (9) and second locating piece (10)；
It positions roller (11), the positioning roller (11) is arranged in the slot rolling, will be arranged by the positioning roller (11)
Tenon tooth (8) positioning in the tongue-and-groove (7).
2. blade locking device according to claim 1, which is characterized in that the ruler of the tongue-and-groove (7) and the tenon tooth (8)
It is very little identical.
3. blade locking device according to claim 1, which is characterized in that the end of positioning roller (11) is provided with
Hand is rolled, convenient for rolling to the positioning roller (11).
4. blade locking device according to claim 1, which is characterized in that the cross section of second locating piece (10) is in
L-type.
5. blade locking device according to claim 1, which is characterized in that the threaded hole (5) is the spiral shell with counterbore
Pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822107666.3U CN209125688U (en) | 2018-12-16 | 2018-12-16 | A kind of blade locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822107666.3U CN209125688U (en) | 2018-12-16 | 2018-12-16 | A kind of blade locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209125688U true CN209125688U (en) | 2019-07-19 |
Family
ID=67248752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822107666.3U Active CN209125688U (en) | 2018-12-16 | 2018-12-16 | A kind of blade locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209125688U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091672A (en) * | 2020-09-17 | 2020-12-18 | 中国航发航空科技股份有限公司 | Frock clamp for hollow blade processing preventing penetration of excess material |
| CN112743372A (en) * | 2020-12-29 | 2021-05-04 | 重庆江增船舶重工有限公司 | Positioning measuring rod for machining turbine blade lacing wire hole and machining and using methods thereof |
| CN113664311A (en) * | 2021-09-30 | 2021-11-19 | 中国航发动力股份有限公司 | Rapid positioning and clamping device and method for electric machining of turbine working blade |
| CN113695878A (en) * | 2021-11-01 | 2021-11-26 | 中国航发沈阳黎明航空发动机有限责任公司 | Method for mounting cover plate on groove of tenon tooth air inlet window of high-pressure turbine blade |
| CN114061683A (en) * | 2021-12-20 | 2022-02-18 | 贵阳航发精密铸造有限公司 | Turbine blade inner cavity flow fixture |
| CN115383601A (en) * | 2022-09-29 | 2022-11-25 | 中国航发动力股份有限公司 | Material storehouse device suitable for polishing of dovetail tenon structure blade |
-
2018
- 2018-12-16 CN CN201822107666.3U patent/CN209125688U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091672A (en) * | 2020-09-17 | 2020-12-18 | 中国航发航空科技股份有限公司 | Frock clamp for hollow blade processing preventing penetration of excess material |
| CN112743372A (en) * | 2020-12-29 | 2021-05-04 | 重庆江增船舶重工有限公司 | Positioning measuring rod for machining turbine blade lacing wire hole and machining and using methods thereof |
| CN113664311A (en) * | 2021-09-30 | 2021-11-19 | 中国航发动力股份有限公司 | Rapid positioning and clamping device and method for electric machining of turbine working blade |
| CN113695878A (en) * | 2021-11-01 | 2021-11-26 | 中国航发沈阳黎明航空发动机有限责任公司 | Method for mounting cover plate on groove of tenon tooth air inlet window of high-pressure turbine blade |
| CN114061683A (en) * | 2021-12-20 | 2022-02-18 | 贵阳航发精密铸造有限公司 | Turbine blade inner cavity flow fixture |
| CN115383601A (en) * | 2022-09-29 | 2022-11-25 | 中国航发动力股份有限公司 | Material storehouse device suitable for polishing of dovetail tenon structure blade |
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