CN208375056U - A kind of blade dovetail shape blade root bottom plane clamp - Google Patents
A kind of blade dovetail shape blade root bottom plane clamp Download PDFInfo
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- CN208375056U CN208375056U CN201821103937.1U CN201821103937U CN208375056U CN 208375056 U CN208375056 U CN 208375056U CN 201821103937 U CN201821103937 U CN 201821103937U CN 208375056 U CN208375056 U CN 208375056U
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- screw rod
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- fixedly connected
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Abstract
A kind of blade dovetail shape blade root bottom plane clamp, is related to a kind of blade bottom flat surface grinding fixture.It is to solve the problems, such as that existing blade grinding fixture causes grinding quality unstable.Fixture includes base assembly, support plate, fixed block, movable holddown, fixed briquetting, locating piece, screw rod and handle, the left side that the cover top surface of base assembly is located at U-shaped notch is equipped with fixed block and movable holddown, fixed block is fixedly connected on top board surface, the movable holddown is pressed on top board surface by fixed block, and can move along horizontal direction；The cover top surface of base assembly, which is located on the right side of U-shaped notch, is fixedly connected with fixed briquetting, and the arc section side that the cover top surface of the base assembly is located at U-shaped notch is fixedly connected with locating piece；Screw rod passes through the screw rod through hole in support plate, and the spherical projection of screw rod, which is inserted, to be embedded into the circular groove of movable holddown, and the other end of screw rod is fixedly connected with handle.The utility model is for being ground blade dovetail shape blade root bottom.
Description
Technical field
The utility model relates to a kind of blade bottom flat surface grinding fixtures.
Background technique
In gas turbine rotor blades assembling process, the often reconditioning on grinding machine to blade root bottom plane is needed, with
Guarantee rotor assembling quality.
Existing clamp supports blade root using bracket, compresses mode clamping using pressing plate, each clamping pressing force is not
Unanimously, pressing plate itself cannot automatically adjust, and cause grinding quality unstable, and then influence rotor assembling quality.
Utility model content
The utility model is to solve the problems, such as that existing blade grinding fixture causes grinding quality unstable, provides a kind of leaf
Piece dovetail root bottom plane clamp.
The utility model blade dovetail shape blade root bottom plane clamp includes base assembly, support plate, fixed block, work
Dynamic pressure block, fixed briquetting, locating piece, screw rod and handle,
The base assembly is made of top plate and bottom plate, fixed plate, left support frame and right support frame, the front side of the top plate
Middle part is equipped with U-shaped notch, and top plate is arranged in parallel with bottom plate, is equipped with left support positioned at the left side of U-shaped notch between top plate and bottom plate
Frame is equipped with right support frame positioned at the right side of U-shaped notch between top plate and bottom plate, and the left side of the top plate is located at the upper of left support frame
Portion is fixedly connected with fixed plate, and support plate is fixedly connected on the left of the fixed plate, and the top of support plate passes through equipped with screw rod
Hole, the screw rod through hole are equipped with internal screw thread, match with the external screw thread of screw surface,
The left side that the cover top surface of the base assembly is located at U-shaped notch is equipped with fixed block and movable holddown, described solid
Determine block and be fixedly connected on top board surface, the movable holddown is pressed on top board surface by fixed block, and can be along level side
To movement；
The cover top surface of the base assembly, which is located on the right side of U-shaped notch, is fixedly connected with fixed briquetting, the pedestal
The arc section side that the cover top surface of component is located at U-shaped notch is fixedly connected with locating piece, and the side of locating piece is equipped with protrusion,
Protrusion is against U-shaped notch, the load of the movable holddown and the opposite side view of fixation briquetting with blade dovetail shape blade root
The shape in face matches, and the other end of the movable holddown is equipped with circular groove；
One end of the screw rod is spherical projection, and screw rod passes through the screw rod through hole in support plate, the spherical projection of screw rod
It inserts and is embedded into the circular groove of movable holddown, the other end of screw rod is fixedly connected with handle.
Further, the fixed block is equipped with groove, and the notch of fixed block is placed downwards, and the width of groove and activity are pressed
The equivalent width of block, the movable holddown are placed in groove, are pressed on top board surface by fixed block.
Further, the moving direction of the movable holddown is vertical with the length direction of U-shaped notch.
Further, the protrusion on the locating piece is U-shaped protrusion.
Further, the fixed block and fixed briquetting passes through screw and straight pin is fixedly connected with top plate.
Further, the support plate is fixedly connected by screw and straight pin with fixed plate.
Wherein base assembly is played a supporting role.
Working principle of the utility model is:
For the blade root for the blade that will be ground between movable holddown and fixed briquetting, blade side is close to locating piece, leads to
Crossing rotary screw pushes movable holddown to slide in fixed block, and movable holddown and fixed briquetting compress blade dovetail shape blade root,
Using screw rod self-locking function, the blade after compression is fixed on the base, and blade dovetail shape blade root bottom clamp is placed on mill
On bed, blade root bottom fitting allowance is removed according to matching requirements.
The utility model has the beneficial effects that
The clamping datum level of the movable holddown of the utility model blade dovetail shape blade root bottom clamp and fixed briquetting
For the load-carrying surface of blade, blade carries out the grinding of blade root baseplane on fixture, using grinding machine.
By structure optimization, the installation way combined using fixed block with movable block is controlled the utility model with screw rod
Clamping force, clamping force is unanimous on the whole when making every blade grinding, ensure that blade root bottom plane grinding removal amount is accurate, to protect
Demonstrate,prove rotor assembling quality.
Blade dovetail shape blade root bottom clamp can easily and effectively guarantee the clamping of the blade of dovetail root, in turn
Guarantee blade root baseplane grinding removal surplus, guarantees the assembling quality of gas turbine rotor blades.
Detailed description of the invention
Fig. 1 is the main view of the utility model blade dovetail shape blade root bottom plane clamp；Wherein 7 be to be ground
Face, 8 be blade；
Fig. 2 is the top view of the utility model blade dovetail shape blade root bottom plane clamp；
Fig. 3 is the main view of base assembly in the utility model clamp；
Fig. 4 is the top view of base assembly in the utility model clamp；
Fig. 5 is the side view of fixed block in the utility model clamp；
Fig. 6 is the main view of movable holddown in the utility model clamp；
Fig. 7 is the top view of movable holddown in the utility model clamp；
Fig. 8 is the main view that briquetting is fixed in the utility model clamp.
Specific embodiment
Technical solutions of the utility model are not limited to that specific embodiments lis below, and further include each specific embodiment
Between any combination.
Specific embodiment 1: illustrating present embodiment, present embodiment blade dovetail shape blade root bottom in conjunction with Fig. 1 to Fig. 8
Facial planes clamp includes base assembly 1, support plate 2, fixed block 3, movable holddown 4, fixed briquetting 5, locating piece 6, screw rod
10 and handle 9,
The base assembly 1 is made of top plate 11, bottom plate 12, fixed plate 13, left support frame 14 and right support frame 15, described
U-shaped notch 16 is equipped in the middle part of the front side of top plate 11, top plate 11 is arranged in parallel with bottom plate 12, and U is located between top plate 11 and bottom plate 12
The left side of type notch 16 is equipped with left support frame 14, is equipped with right support positioned at the right side of U-shaped notch 16 between top plate 11 and bottom plate 12
Frame 15, the top that the left side of the top plate 11 is located at left support frame 14 are fixedly connected with fixed plate 13, a left side for the fixed plate 13
Side is fixedly connected with support plate 2, and the top of support plate 2 is equipped with screw rod through hole, and the screw rod through hole is equipped with internal screw thread, with spiral shell
The external screw thread on 10 surface of bar matches,
The left side that 11 upper surface of top plate of the base assembly 1 is located at U-shaped notch 16 is equipped with fixed block 3 and movable holddown 4,
The fixed block 3 is fixedly connected on 11 surface of top plate, and the movable holddown 4 is pressed on 11 surface of top plate, and energy by fixed block 3
It is enough to be moved along horizontal direction；
The right side that 11 upper surface of top plate of the base assembly 1 is located at U-shaped notch 16 is fixedly connected with fixed briquetting 5, institute
11 upper surface of top plate for stating base assembly 1 is located at the arc section side of U-shaped notch 16 and is fixedly connected with locating piece 6, locating piece 6
Side is equipped with protrusion, and protrusion the movable holddown 4 and fixes the opposite side view of briquetting 5 and blade against U-shaped notch 16
The shape of the load-carrying surface of dovetail root matches, and the other end of the movable holddown 4 is equipped with circular groove 41；
One end of the screw rod 10 is spherical projection, and screw rod 10 passes through the screw rod through hole in support plate 2, the ball of screw rod 10
Shape protrusion is inserted and is embedded into the circular groove 41 of movable holddown 4, and the other end of screw rod 10 is fixedly connected with handle 9.
Specific embodiment 2: embodiment is described with reference to Fig.5, present embodiment is different from specific embodiment one
Be: the fixed block 3 is equipped with groove, and the notch of fixed block 3 is placed downwards, the width of groove and the width one of movable holddown 4
It causes, the movable holddown 4 is placed in groove, is pressed on 11 surface of top plate by fixed block 3.It is other with one phase of specific embodiment
Together.
Specific embodiment 3: the present embodiment is different from the first and the second embodiment in that: the movable holddown 4
Moving direction is vertical with the length direction of U-shaped notch 16.It is other the same as one or two specific embodiments.
Specific embodiment 4: unlike one of present embodiment and specific embodiment one to three: the locating piece 6
On protrusion be U-shaped protrusion.It is other identical as one of specific embodiment one to three.
Specific embodiment 5: unlike one of present embodiment and specific embodiment one to four: the fixed block 3
It is fixedly connected by screw and straight pin with top plate 11 with fixed briquetting 5.Other phases one of with specific embodiment one to four
Together.
Specific embodiment 6: unlike one of present embodiment and specific embodiment one to five: the support plate 2
It is fixedly connected by screw and straight pin with fixed plate 13.It is other identical as one of specific embodiment one to five.
Claims (6)
1. a kind of blade dovetail shape blade root bottom plane clamp, it is characterised in that the fixture includes base assembly (1), support
Plate (2), fixed block (3), movable holddown (4), fixed briquetting (5), locating piece (6), screw rod (10) and handle (9),
The base assembly (1) is by top plate (11), bottom plate (12), fixed plate (13), left support frame (14) and right support frame (15)
The front side middle part of composition, the top plate (11) is equipped with U-shaped notch (16), and top plate (11) is arranged in parallel with bottom plate (12), top plate
(11) left side between bottom plate (12) positioned at U-shaped notch (16) is equipped with left support frame (14), top plate (11) and bottom plate (12) it
Between be located at U-shaped notch (16) right side be equipped with right support frame (15), the left side of the top plate (11) is located at left support frame (14)
Top is fixedly connected with fixed plate (13), is fixedly connected with support plate (2) on the left of the fixed plate (13), support plate (2)
Top is equipped with screw rod through hole, and the screw rod through hole is equipped with internal screw thread, matches with the external screw thread on screw rod (10) surface,
The left side that top plate (11) upper surface of the base assembly (1) is located at U-shaped notch (16) is equipped with fixed block (3) and activity pressure
Block (4), the fixed block (3) are fixedly connected on top plate (11) surface, and the movable holddown (4) is pressed on by fixed block (3)
Top plate (11) surface, and can be moved along horizontal direction；
Top plate (11) upper surface of the base assembly (1), which is located on the right side of U-shaped notch (16), is fixedly connected with fixed briquetting
(5), the arc section side that top plate (11) upper surface of the base assembly (1) is located at U-shaped notch (16) is fixedly connected with positioning
Block (6), the side of locating piece (6) are equipped with protrusion, and protrusion is opposite U-shaped notch (16), the movable holddown (4) and fixed briquetting
(5) opposite side view is matched with the shape of the load-carrying surface of blade dovetail shape blade root, the other end of the movable holddown (4)
Equipped with circular groove (41)；
One end of the screw rod (10) is spherical projection, and screw rod (10) passes through the screw rod through hole on support plate (2), screw rod (10)
Spherical projection insert and be embedded into the circular grooves (41) of movable holddown (4), the other end of screw rod (10) and handle (9) are fixed connects
It connects.
2. a kind of blade dovetail shape blade root bottom plane clamp according to claim 1, it is characterised in that described solid
Block (3) are determined equipped with groove, the notch of fixed block (3) is placed downwards, the width of groove and the equivalent width of movable holddown (4),
The movable holddown (4) is placed in groove, is pressed on top plate (11) surface by fixed block (3).
3. a kind of blade dovetail shape blade root bottom plane clamp according to claim 1 or 2, it is characterised in that described
The moving direction of movable holddown (4) is vertical with the length direction of U-shaped notch (16).
4. a kind of blade dovetail shape blade root bottom plane clamp according to claim 3, it is characterised in that described fixed
Protrusion on position block (6) is U-shaped protrusion.
5. a kind of blade dovetail shape blade root bottom plane clamp according to claim 4, it is characterised in that described solid
Determine block (3) and fixed briquetting (5) are fixedly connected by screw and straight pin with top plate (11).
6. a kind of blade dovetail shape blade root bottom plane clamp according to claim 5, it is characterised in that the branch
Fagging (2) is fixedly connected by screw and straight pin with fixed plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821103937.1U CN208375056U (en) | 2018-07-12 | 2018-07-12 | A kind of blade dovetail shape blade root bottom plane clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821103937.1U CN208375056U (en) | 2018-07-12 | 2018-07-12 | A kind of blade dovetail shape blade root bottom plane clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208375056U true CN208375056U (en) | 2019-01-15 |
Family
ID=64964235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821103937.1U Active CN208375056U (en) | 2018-07-12 | 2018-07-12 | A kind of blade dovetail shape blade root bottom plane clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208375056U (en) |
-
2018
- 2018-07-12 CN CN201821103937.1U patent/CN208375056U/en active Active
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