CN217255659U - Turbine blade overhauls device - Google Patents
Turbine blade overhauls device Download PDFInfo
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- CN217255659U CN217255659U CN202123346578.7U CN202123346578U CN217255659U CN 217255659 U CN217255659 U CN 217255659U CN 202123346578 U CN202123346578 U CN 202123346578U CN 217255659 U CN217255659 U CN 217255659U
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- turbine blade
- cavity
- blade
- lead screw
- way lead
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Abstract
The utility model relates to a steam turbine overhauls equipment technical field, especially relates to a steam turbine blade overhauls device. The technical scheme comprises the following steps: be provided with and overhaul the platform, overhaul the platform and be provided with the inner chamber, the lower part of inner chamber is provided with two-way lead screw, the chamber wall of inner chamber is run through to the one end of two-way lead screw to be provided with the regulation carousel, the body of rod of two-way lead screw evenly is provided with the slider, the top of slider is provided with the stop gear who is used for advancing the location to the steam turbine blade, and the upper portion of inner chamber is provided with the side link, the right-hand member of overhauing the platform is provided with two-way lead screw. The utility model discloses a cooperation of two-way lead screw, moving member, ring gear, carriage release lever, connecting rod, universal ball, sucking disc, electric telescopic handle and rotating sleeve realizes making the adjustment to fixture's interval according to the specification of blade, and the sucking disc can adsorb the location to the blade fast, and the angle of sucking disc can laminate the distortion radian of blade, has effectively improved the maintenance efficiency of blade.
Description
Technical Field
The utility model relates to a steam turbine overhauls equipment technical field, especially relates to a steam turbine blade overhauls device.
Background
The turbine blade is a core component for rotating the turbine, the upper surface and the lower surface of the turbine blade are both arc-shaped, the cross section of the turbine blade is irregularly bent arc-shaped, and meanwhile, the surface of the turbine blade is smooth in order to facilitate the flow of steam. The existing clamping device is very inconvenient for clamping the arc-shaped blade, and even if the arc-shaped blade can be clamped reluctantly, the arc-shaped blade is not easy to clamp firmly and is easy to slide down due to few contact stress points.
Through the retrieval, chinese patent application number (CN202020622720.2) discloses a steam turbine blade clamping device, relates to the clamping device field, which comprises a frame, be equipped with carousel and servo motor in the frame, servo motor's output shaft carousel, the carousel rotates with the frame to be connected, be equipped with the crossbeam on the carousel, be equipped with a plurality of centre gripping subassemblies on the crossbeam, the centre gripping subassembly carries out the multiple spot conflict centre gripping on the steam turbine blade surface and fixes. The utility model discloses can adjust the conflict length of different ejector pins according to the trend of arcwall face for a plurality of ejector pins form the multiple spot contact on steam turbine blade surface, and the dispersion atress, rubber suction cup can effectively increase area of contact simultaneously, improves and holds the power of grabbing and prevent the landing, adopts the above-mentioned structure smooth surface of fish tail blade also difficult. And the sliding structure at the bottom of the clamping arm can adjust the distance between different clamping arms, so that the clamping operation of blades with different sizes is met.
Above-mentioned file passes through the sucking disc and fixes a position the centre gripping to the blade, and above-mentioned file need adjust multiunit bolt just can fix the blade when adjusting the position of sucking disc, therefore the centre gripping process is consuming time longer, leads to the efficiency of overhauing lower, and the unable adjustment of angle of sucking disc, leads to adsorbing incompletely, influences the stability of blade, so need make the improvement to it.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steam turbine blade overhauls device convenient to centre gripping is fixed to the problem that exists among the background art.
The technical scheme of the utility model: the utility model provides a steam turbine blade overhauls device, includes overhauls the platform, be provided with the inner chamber for overhauing the platform, the lower part of inner chamber is provided with two-way lead screw, the one end of two-way lead screw runs through the chamber wall of inner chamber to be provided with the regulation carousel, the body of rod of two-way lead screw evenly is provided with the slider, the top of slider is provided with the stop gear who is used for advancing line location to the steam turbine blade, and the upper portion of inner chamber is provided with the side link, the right-hand member of overhauing the platform is provided with two-way lead screw, the one end of side link runs through the chamber wall of inner chamber, and with the output of two-way lead screw is connected.
Preferably, the limiting mechanism comprises a moving part, a gear, a rotating sleeve and a clamping assembly, the moving part is provided with an annular cavity, openings are formed in the front, the rear, the left end and the right end of the annular cavity, and a toothed ring is rotatably arranged in the openings.
Preferentially, the lower part of the annular cavity is rotatably provided with a rotating sleeve, the rotating sleeve is connected with the side link key, the outer wall of the rotating sleeve is provided with a gear, and the gear is meshed with the gear ring.
Preferably, the centre gripping subassembly is including electric telescopic handle, electric telescopic handle's output all is provided with the fixed disk, the fixed disk evenly is provided with the cylindrical cavity, installs the spring in the cylindrical cavity to the embedding has the carriage release lever.
Preferably, the outer end of the movable rod penetrates through the cylindrical cavity and is provided with a spherical cavity, and the universal ball is embedded in the spherical cavity.
Preferably, one end of the universal ball is provided with a connecting rod, and the inner end of the connecting rod is provided with a sucker.
Preferably, the electric telescopic rods are arranged in two groups, and the two groups of electric telescopic rods are horizontally and symmetrically distributed on the inner wall of the toothed ring.
Compared with the prior art, the utility model discloses following profitable technological effect has:
through the cooperation of two-way lead screw, moving member, ring gear, carriage release lever, connecting rod, universal ball, sucking disc, electric telescopic handle and rotating sleeve, the realization can be adjusted fixture's interval according to the specification of blade, and the sucking disc can adsorb the location to the blade fast, and the distortion radian of blade can be laminated to the angle of sucking disc, has effectively improved the maintenance efficiency of blade.
Drawings
Fig. 1 is a schematic front view of an internal structure of an embodiment of the present invention;
FIG. 2 is a front view of the moving member of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 4 is a side view partial mechanism schematic diagram of fig. 2.
Reference numerals: 1-maintenance platform, 2-bidirectional screw rod, 21-sliding block, 3-moving piece, 4-side link, 5-motor, 6-electric telescopic rod, 7-toothed ring, 8-rotating sleeve, 9-gear, 10-fixed disk, 11-moving rod, 12-universal ball, 13-connecting rod, 14-sucker and 15-spring.
Detailed Description
The following describes the technical solution of the present invention with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1-2, the utility model provides a steam turbine blade overhauls device, including overhauing platform 1, its characterized in that: overhaul platform 1 and be provided with the inner chamber, the lower part of inner chamber is provided with two-way lead screw 2, the chamber wall of inner chamber is run through to the one end of two-way lead screw 2, and be provided with the regulation carousel, the body of rod of two-way lead screw 2 evenly is provided with slider 21, slider 21's top is provided with and is used for carrying out the stop gear who fixes a position to the steam turbine blade, the upper portion of inner chamber is provided with linking pole 4, the right-hand member of overhauing platform 1 is provided with two-way lead screw 2, the chamber wall of inner chamber is run through to the one end of linking pole 4, and be connected with two-way lead screw 2's output.
In this embodiment, before operation, the adjusting turntable is arranged at one end of the bidirectional screw rod 2, the adjusting turntable drives the bidirectional screw rod 2 to rotate, and the sliding blocks 21 are in threaded connection with the bidirectional screw rod 2, so that the two groups of sliding blocks 21 can be close to or far away from each other on the rod body of the bidirectional screw rod 2 by controlling the rotating direction of the bidirectional screw rod 2, and the distance between the two groups of moving members 3 can be adjusted according to the specification of the turbine blade.
Example two
As shown in fig. 1-4, compared with the first embodiment, the steam turbine blade maintenance device provided by the present invention further includes a limiting mechanism including a moving member 3, a gear 9, a rotating sleeve 8 and a clamping assembly, wherein the moving member 3 is provided with an annular cavity, the annular cavity is provided with openings at the front, rear, left and right ends thereof, a toothed ring 7 is rotatably disposed in the openings, the clamping assembly includes an electric telescopic rod 6, the output end of the electric telescopic rod 6 is provided with a fixed disk 10, the fixed disk 10 is uniformly provided with a cylindrical cavity, a spring 15 is installed in the cylindrical cavity, a movable rod 11 is embedded, the outer end of the movable rod 11 penetrates through the cylindrical cavity and is provided with a spherical cavity, and universal ball 12 is embedded in the spherical cavity, one end of universal ball 12 is provided with connecting rod 13, the inner end of connecting rod 13 is provided with sucking disc 14, electric telescopic handle 6 is provided with two sets altogether, and two sets of electric telescopic handle 6 become the horizontal symmetry form and distribute in the inner wall of ring gear 7.
In this embodiment, make the both ends of blade arrange the middle part of moving member 3 in, the output of control electric telescopic handle 6 drives fixed disk 10 and is close to the blade simultaneously, sucking disc 14 is after contacting the blade, can adsorb the blade, and fixed disk 10 is when being close to simultaneously, and the adjustment can be made according to the distortion radian of blade self to carriage release lever 11, thereby makes carriage release lever 11 extrusion spring 15, and spring 15's elastic potential energy makes carriage release lever 11 fix a position the blade. Connecting rod 13 passes through the ball joint of universal ball 12 with carriage release lever 11, and the purpose makes the cambered surface of the angle laminating blade of sucking disc 14, and sucking disc 14 can adsorb the location to the blade fast, and the distortion radian of blade can be laminated to the angle of sucking disc 14 simultaneously, has effectively improved the maintenance efficiency of blade.
And through starter motor 5, motor 5 drives side link 4 rotatory, and rotates cover 8 and 4 key-type connections of side link, consequently drives and rotates cover 8 rotatory, under gear 9 and the driven cooperation of ring gear 7 meshing for by the steam turbine blade of centre gripping can overturn, be convenient for adjust maintenance angle.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.
Claims (7)
1. The utility model provides a steam turbine blade overhauls device, is including overhauing platform (1), its characterized in that: the maintenance platform (1) is provided with an inner cavity, the lower part of the inner cavity is provided with a bidirectional screw rod (2), one end of the bidirectional screw rod (2) penetrates through the cavity wall of the inner cavity and is provided with an adjusting turntable, a sliding block (21) is evenly arranged on the rod body of the bidirectional screw rod (2), the top of the sliding block (21) is provided with a limiting mechanism for positioning a turbine blade, the upper part of the inner cavity is provided with a connecting rod (4), the right end of the maintenance platform (1) is provided with the bidirectional screw rod (2), one end of the connecting rod (4) penetrates through the cavity wall of the inner cavity and is connected with the output end of the bidirectional screw rod (2).
2. The turbine blade servicing apparatus of claim 1, wherein: the limiting mechanism comprises a moving piece (3), a gear (9), a rotating sleeve (8) and a clamping assembly, wherein the moving piece (3) is provided with an annular cavity, openings are formed in the front end, the rear end, the left end and the right end of the annular cavity, and a toothed ring (7) is rotatably arranged in each opening.
3. The turbine blade servicing apparatus of claim 2, wherein: the lower part of the annular cavity is rotatably provided with a rotating sleeve (8), the rotating sleeve (8) is in key connection with the side link (4), a gear (9) is arranged on the outer wall of the rotating sleeve (8), and the gear (9) is meshed with the gear ring (7).
4. The steam turbine blade servicing apparatus of claim 3, wherein: centre gripping subassembly is including electric telescopic handle (6), electric telescopic handle's (6) output all is provided with fixed disk (10), fixed disk (10) evenly are provided with the cylindrical cavity, install spring (15) in the cylindrical cavity to the embedding has carriage release lever (11).
5. The turbine blade servicing apparatus of claim 4, wherein: the outer end of the movable rod (11) penetrates through the cylindrical cavity and is provided with a spherical cavity, and a universal ball (12) is embedded in the spherical cavity.
6. The turbine blade servicing apparatus of claim 5, wherein: one end of the universal ball (12) is provided with a connecting rod (13), and the inner end of the connecting rod (13) is provided with a sucker (14).
7. The turbine blade servicing apparatus of claim 6, wherein: the electric telescopic rods (6) are arranged in two groups, and the electric telescopic rods (6) are distributed on the inner wall of the toothed ring (7) in a horizontal symmetrical mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123346578.7U CN217255659U (en) | 2021-12-28 | 2021-12-28 | Turbine blade overhauls device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123346578.7U CN217255659U (en) | 2021-12-28 | 2021-12-28 | Turbine blade overhauls device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217255659U true CN217255659U (en) | 2022-08-23 |
Family
ID=82890009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123346578.7U Active CN217255659U (en) | 2021-12-28 | 2021-12-28 | Turbine blade overhauls device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217255659U (en) |
-
2021
- 2021-12-28 CN CN202123346578.7U patent/CN217255659U/en active Active
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