CN210359269U - Turning device for turning repair rotor shroud of power plant - Google Patents
Turning device for turning repair rotor shroud of power plant Download PDFInfo
- Publication number
- CN210359269U CN210359269U CN201921485969.7U CN201921485969U CN210359269U CN 210359269 U CN210359269 U CN 210359269U CN 201921485969 U CN201921485969 U CN 201921485969U CN 210359269 U CN210359269 U CN 210359269U
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- turning
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- rotor
- tool
- knife rest
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Abstract
The utility model provides a turning device for turning repair rotor shroud of power plant, it belongs to machine-building technical field to blade shroud corrosion on the current steam turbine rotor need return the factory processing rust cleaning, the too high problem of cost of transportation. The utility model comprises a base, a low-pressure outer cylinder, a knife rest, a screw rod, a turntable and a motor; the base passes through the bolt fastening on the outer jar of low pressure, is provided with the motor on the outer jar of low pressure, and the motor shaft passes through the shaft coupling to be connected with the rotor on the outer jar of low pressure, and the knife rest slides and sets up on the base, processes threaded hole on the knife rest, and the lead screw rotates to set up on the base and is connected with the threaded hole cooperation on the knife rest, is provided with the lathe tool on the knife rest, and the tip of lead screw is equipped with the carousel. The utility model discloses utilize the outer jar of low pressure on the current steam turbine to support the part as the knife rest to drive the rotor through the motor and rotate, rust cleaning is carried out at the scene, avoids returning the too high problem that is difficult to the transportation of cost of factory's rust cleaning.
Description
Technical Field
The utility model relates to a turning device, concretely relates to turning device for turning rotor shroud belongs to the machine-building technical field.
Background
Generally, the blade shroud steam seal excircle can be because the steam corrosion produces the rust layer after power plant operation for a period for shroud steam seal excircle diameter grow can produce with steam turbine stator steam seal and interfere during operation, can return the rotor to the manufacture factory and carry out the turning when regularly repairing and get rid of the corrosion, because rotor structure is complicated, the transportation difficulty, the cost is too high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, and provide a turning device that is used for turning power plant to reprocess rotor shroud.
The utility model discloses a solve the technical scheme that above-mentioned technical problem took and be:
the device comprises a base, a low-pressure outer cylinder, a tool rest, a screw rod, a turntable and a motor;
the base passes through the bolt fastening on the outer jar of low pressure, is provided with the motor on the outer jar of low pressure, and the motor shaft passes through the shaft coupling to be connected with the rotor on the outer jar of low pressure, and the knife rest slides and sets up on the base, processes threaded hole on the knife rest, and the lead screw rotates to set up on the base and is connected with the threaded hole cooperation on the knife rest, is provided with the lathe tool on the knife rest, and the tip of lead screw is equipped with the carousel.
Furthermore, a T-shaped groove is formed in the base, a T-shaped long strip protrusion is formed in the tool rest, and the T-shaped long strip protrusion on the tool rest is in sliding fit with the T-shaped groove on the base.
Furthermore, a shaft seat is fixedly connected to the base, and the screw rod is rotatably arranged on the shaft seat.
Further, the length direction of the T-shaped groove is perpendicular to the axis of the rotor on the low-pressure outer cylinder.
Furthermore, a tool groove is formed in the tool rest, a threaded hole is formed in the tool groove of the tool rest, a jackscrew is arranged in the threaded hole, a turning tool is arranged in the tool groove of the tool rest, and the turning tool is fixed through the jackscrew.
Compared with the prior art, the utility model following beneficial effect has:
the utility model discloses set up the knife rest on steam turbine low pressure outer cylinder to drive the knife rest through rotating the carousel and radially feed along the rotor, the rotor passes through motor drive and rotates, realizes the cutting at blade shroud edge on the rotor, with the purpose that reaches the rust cleaning, has avoided returning the factory processing rust cleaning and is difficult to the transportation and problem with high costs.
Drawings
Fig. 1 is a schematic view of the present invention;
fig. 2 is a side view of the base 1 in connection with the blade holder 3;
fig. 3 is a top view of the base 1 in connection with the blade holder 3;
fig. 4 is a front view of the base 1 in connection with the blade holder 3;
FIG. 5 is a sectional view A-A of FIG. 4;
fig. 6 is an isometric view of the connection of the base 1 to the blade holder 3.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 6, and comprises a base 1, a low-pressure outer cylinder 2, a tool rest 3, a screw rod 4, a turntable 5 and a motor;
the base 1 is fixed on the low-pressure outer cylinder 2 through a bolt, the motor is arranged on the low-pressure outer cylinder 2, the motor shaft is connected with the rotor 6 on the low-pressure outer cylinder 2 through a coupler, the knife rest 3 is arranged on the base 1 in a sliding mode, a threaded hole is machined in the knife rest 3, the lead screw 4 is arranged on the base 1 in a rotating mode and is connected with the threaded hole in the knife rest 3 in a matched mode, a turning tool is arranged on the knife rest 3, and the end portion of the lead screw 4 is provided.
The second embodiment is as follows: referring to fig. 4, the embodiment is described, in which a T-shaped groove 1-1 is formed on a base 1, a T-shaped long protrusion 3-1 is formed on a tool holder 3, and the T-shaped long protrusion 3-1 on the tool holder 3 is slidably engaged with the T-shaped groove 1-1 on the base 1.
The T-shaped groove 1-1 and the long strip-shaped protrusion 3-1 are arranged to play a role in guiding in the feeding process.
Other components and connections are the same as in the first embodiment.
The third concrete implementation mode: referring to fig. 6, the base 1 of the present embodiment is fixedly connected with a shaft seat, and the screw rod 4 is rotatably disposed on the shaft seat.
The screw rod 4 can smoothly drive the tool rest 3 to rotate.
Other components and connections are the same as in the first embodiment.
The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 1, in which the longitudinal direction of the T-shaped groove 1-1 is perpendicular to the axis of the rotor 6 in the low-pressure outer cylinder 2.
So set up, realize the radial feed to the blade shroud.
Other components and connections are the same as in the first embodiment.
The fifth concrete implementation mode: in the present embodiment, a tool pocket is formed in the tool holder 3, a threaded hole is formed in the tool pocket of the tool holder 3, a jack screw is provided in the threaded hole, and a turning tool is provided in the tool pocket of the tool holder and fixed by the jack screw, as described above with reference to fig. 6.
Other components and connections are the same as in the first embodiment.
Claims (5)
1. The utility model provides a turning device that is used for turning repair rotor shroud of power plant which characterized in that: the device comprises a base (1), a low-pressure outer cylinder (2), a tool rest (3), a screw rod (4), a turntable (5) and a motor;
the base (1) is fixed on the low-pressure outer cylinder (2) through a bolt, a motor is arranged on the low-pressure outer cylinder (2), a motor shaft is connected with a rotor (6) on the low-pressure outer cylinder (2) through a coupler, the tool rest (3) is arranged on the base (1) in a sliding mode, a threaded hole is machined in the tool rest (3), the screw rod (4) is rotatably arranged on the base (1) and is connected with the threaded hole in the tool rest (3) in a matched mode, a turning tool is arranged on the tool rest (3), and a rotary disc (5) is arranged at the end of the screw rod (4).
2. The turning device for turning the rotor shroud of the power plant for repairing the rotor shroud as claimed in claim 1, wherein: t-shaped grooves (1-1) are machined in the base (1), T-shaped long strip protrusions (3-1) are machined in the tool rest (3), and the T-shaped long strip protrusions (3-1) in the tool rest (3) are in sliding fit with the T-shaped grooves (1-1) in the base (1).
3. The turning device for turning the rotor shroud of the power plant for repairing the rotor shroud as claimed in claim 1, wherein: the base (1) is fixedly connected with a shaft seat, and the screw rod (4) is rotatably arranged on the shaft seat.
4. The turning device for turning the rotor shroud of the power plant for repairing the rotor shroud as claimed in claim 2, wherein: the length direction of the T-shaped groove (1-1) is vertical to the axis of the rotor (6) on the low-pressure outer cylinder (2).
5. The turning device for turning the rotor shroud of the power plant for repairing the rotor shroud as claimed in claim 2, wherein: a tool groove is processed on the tool rest (3), a threaded hole is processed on the tool groove of the tool rest (3), a jackscrew is arranged in the threaded hole, a turning tool is arranged in the tool groove of the tool rest, and the turning tool is fixed through the jackscrew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921485969.7U CN210359269U (en) | 2019-09-06 | 2019-09-06 | Turning device for turning repair rotor shroud of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921485969.7U CN210359269U (en) | 2019-09-06 | 2019-09-06 | Turning device for turning repair rotor shroud of power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210359269U true CN210359269U (en) | 2020-04-21 |
Family
ID=70254417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921485969.7U Active CN210359269U (en) | 2019-09-06 | 2019-09-06 | Turning device for turning repair rotor shroud of power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210359269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871453A (en) * | 2022-03-08 | 2022-08-09 | 西安陕鼓动力股份有限公司 | Movable type draws and makes sealed turning device separately |
-
2019
- 2019-09-06 CN CN201921485969.7U patent/CN210359269U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871453A (en) * | 2022-03-08 | 2022-08-09 | 西安陕鼓动力股份有限公司 | Movable type draws and makes sealed turning device separately |
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