CN216422298U - Axial limiting device for steam turbine rotor - Google Patents
Axial limiting device for steam turbine rotor Download PDFInfo
- Publication number
- CN216422298U CN216422298U CN202122919863.7U CN202122919863U CN216422298U CN 216422298 U CN216422298 U CN 216422298U CN 202122919863 U CN202122919863 U CN 202122919863U CN 216422298 U CN216422298 U CN 216422298U
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- China
- Prior art keywords
- turbine rotor
- steam turbine
- hole
- fixedly connected
- axial stop
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- Expired - Fee Related
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- 238000000034 method Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a steam turbine rotor axial stop device, including the base case, the inner wall of base case rotates and is connected with the threaded rod, and the surperficial threaded connection of threaded rod has the sliding seat, and the upper surface of sliding seat extends to the outside of base case, and fixedly connected with support column, the top fixedly connected with stop collar of support column, the last fixed surface of base case is connected with the mount, and the through-hole has been seted up on the surface of mount. This steam turbine rotor axial stop device, when using, drives the lead screw through rotating the hand wheel and rotates, and then drives spacing crown plate and remove left, and spacing crown plate drives four spacing ejector pins on its surface and supports tightly to the protruding ring surface on steam turbine rotor surface to the realization has certain controllability to the spacing operation of steam turbine rotor, and then avoids steam turbine rotor to take place the axial skew at rotatory in-process, thereby makes things convenient for the staff to overhaul steam turbine rotor.
Description
Technical Field
The utility model relates to a steam turbine technical field specifically is a steam turbine rotor axial stop device.
Background
The turbine rotor is a combination of turbine rotating parts such as a main shaft, an impeller or a rotary drum, a moving blade, a coupling and the like.
When the steam turbine rotor was overhauld and detected, need use the instrument to carry out axial positioning to the steam turbine rotor, prevent the axial float, the axial of rotor can not take place the skew when needing to guarantee to coil movable rotor to guarantee measured data's accuracy, however, current axial stop device complex operation is inconvenient, and the adjustment degree is not high, and application scope is poor, for this reason, we provide a steam turbine rotor axial stop device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steam turbine rotor axial stop device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an axial limiting device of a steam turbine rotor comprises a base box, wherein the inner wall of the base box is rotatably connected with a threaded rod, the surface of the threaded rod is in threaded connection with a movable seat, the upper surface of the movable seat extends to the outside of the base box, and is fixedly connected with a supporting column, the top end of the supporting column is fixedly connected with a limiting sleeve, the upper surface of the base box is fixedly connected with a fixing frame, the surface of the fixing frame is provided with a through hole, the inner wall of the through hole is rotatably connected with a steam turbine rotor body through a bearing, the surface of the steam turbine rotor body is rotatably connected with a bulge ring, the surface of the fixing frame is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with a lead screw, the left end of the lead screw is rotatably connected with a limiting ring plate, a limiting ejector rod is fixedly connected to the left side of the limiting ring plate, the position of the limiting ejector rod corresponds to the protruding ring, and the end part of the limiting ejector rod is provided with a rubber block.
Preferably, the side of the fixing frame is provided with a guide hole, the right side of the limit ring plate is fixedly connected with a guide rod, and the guide rod is connected with the guide hole in a sliding manner.
Preferably, the right end of the screw rod extends to the right side of the fixing frame and is fixedly connected with a hand wheel.
Preferably, a driving motor is arranged on the left side of the base box, and the output end of the driving motor extends into the base box and is fixedly connected with the left end of the threaded rod.
Preferably, the right side of the limiting sleeve is provided with a placing hole, the inner wall of the placing hole is provided with four guide rollers which are distributed annularly, and the surface of each guide roller is in lap joint with the surface of the steam turbine rotor body.
Preferably, the upper surface of base case has seted up the bar hole, and the spacing spout has been seted up to the inner wall in bar hole, the fixed surface of support column is connected with the slider, slider and spacing spout sliding connection.
Advantageous effects
The utility model provides a steam turbine rotor axial stop device possesses following beneficial effect:
1. this steam turbine rotor axial stop device, when using, drives the lead screw through rotating the hand wheel and rotates, and then drives spacing crown plate and remove left, and spacing crown plate drives four spacing ejector pins on its surface and supports tightly to the protruding ring surface on steam turbine rotor surface to the realization has certain controllability to the spacing operation of steam turbine rotor, and then avoids steam turbine rotor to take place the axial skew at rotatory in-process, thereby makes things convenient for the staff to overhaul steam turbine rotor.
2. This steam turbine rotor axial stop device through setting up base case, driving motor, threaded rod and sliding seat, conveniently adjusts the distance between stop collar and the mount to be applicable to and carry out spacing fixed and detection to the steam turbine rotor of different length, through being provided with guide roller in the hole of placing at the stop collar, be convenient for to the steam turbine rotor lead and spacing rotating the in-process, convenient to use, the operating personnel of being convenient for overhaul work.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of a three-dimensional structure of a limit ring plate of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 1.
In the figure: the device comprises a base box 1, a threaded rod 2, a movable seat 3, a support column 4, a limit sleeve 5, a fixed frame 6, a steam turbine rotor body 7, a raised ring 8, a lead screw 9, a limit ring plate 10, a limit ejector rod 11, a guide rod 12, a driving motor 14 and a guide roller 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a steam turbine rotor axial stop device, includes base case 1, and the inner wall of base case 1 rotates and is connected with threaded rod 2, and the left side of base case 1 is provided with driving motor 14, and driving motor 14's output extends to the inside of base case 1 to with the left end fixed connection of threaded rod 2.
Through setting up base case 1, driving motor 14, threaded rod 2 and sliding seat 3, conveniently adjust the distance between stop collar 5 and the mount 6 to be applicable to and carry out spacing fixed and detection to the steam turbine rotor of different length.
Threaded rod 2's surperficial threaded connection has sliding seat 3, and sliding seat 3's upper surface extends to the outside of base case 1, and fixedly connected with support column 4, and support column 4's top fixedly connected with stop collar 5, and the bar hole has been seted up to the upper surface of base case 1, and spacing spout has been seted up to the inner wall in bar hole, and support column 4's fixed surface is connected with the slider, slider and spacing spout sliding connection.
The last fixed surface of base case 1 is connected with mount 6, and the through-hole has been seted up on the surface of mount 6, and the inner wall of through-hole rotates through the bearing and is connected with turbine rotor body 7, and the right side of stop collar 5 has been seted up and has been placed the hole, and the inner wall of placing the hole is seted up four guide roller 15 that are the ring distribution, and guide roller 15's surface and turbine rotor body 7's surface overlap joint.
Through being provided with guide roller 15 in the hole of placing at stop collar 5, be convenient for to steam turbine rotor at the rotation in-process lead and spacing, convenient to use, the operating personnel of being convenient for overhauls the work.
The surface of steam turbine rotor body 7 rotates and is connected with protruding ring 8, and protruding ring 8 rotates through the surface of bearing and steam turbine rotor body 7 to be connected, therefore protruding ring 8 can only rotate and can not carry out horizontal lateral shifting, and threaded hole is seted up on the surface of mount 6, and the inner wall threaded connection of screw hole has lead screw 9, and the right-hand member of lead screw 9 extends to the right side of mount 6, and fixedly connected with hand wheel.
The left end of lead screw 9 rotates and is connected with spacing ring board 10, and the left side fixedly connected with spacing ejector pin 11 of spacing ring board 10, and the quantity of spacing ejector pin 11 is four, and four spacing ejector pins 11 evenly distributed are on the surface of spacing ring board 10, and the position of spacing ejector pin 11 is corresponding with protruding ring 8, and the tip of spacing ejector pin 11 is provided with the block rubber.
When using, drive lead screw 9 through rotating the hand wheel and rotate, and then drive spacing crown plate 10 and remove left, spacing crown plate 10 drives four spacing ejector pins 11 on its surface and supports tightly to the protruding ring 8 surface on steam turbine rotor surface to the realization has certain controllability to the spacing operation of steam turbine rotor, and then avoids steam turbine rotor to take place axial deflection at rotatory in-process, thereby makes things convenient for the staff to overhaul steam turbine rotor.
The side of mount 6 has seted up the guiding hole, and the right side fixedly connected with guide bar 12 of spacing ring board 10, guide bar 12 and guiding hole sliding connection.
The working principle is as follows: when using, the staff drives lead screw 9 through the hand wheel and rotates, lead screw 9 drives spacing crown plate 10 and moves left, spacing crown plate 10 drives four spacing ejector pins 11 on its surface and supports tightly to the protruding ring 8 surface on steam turbine rotor surface, the block rubber of spacing ejector pin 11 tip can play buffer protection and non-slip effect, thereby realize the spacing operation to the steam turbine rotor, certain controllability has, and then avoid the steam turbine rotor to take place the axial migration at rotatory in-process, thereby make things convenient for the staff to overhaul the steam turbine rotor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a steam turbine rotor axial stop device, includes base case (1), its characterized in that: the inner wall of the base box (1) is connected with a threaded rod (2) in a rotating mode, the surface of the threaded rod (2) is connected with a movable seat (3) in a threaded mode, the upper surface of the movable seat (3) extends to the outside of the base box (1), a supporting column (4) is fixedly connected with the top end of the supporting column (4) and a limiting sleeve (5) is fixedly connected with the top end of the supporting column (4), the upper surface of the base box (1) is fixedly connected with a fixing frame (6), a through hole is formed in the surface of the fixing frame (6), the inner wall of the through hole is connected with a steam turbine rotor body (7) in a rotating mode through a bearing, a protruding ring (8) is connected in a rotating mode on the surface of the steam turbine rotor body (7), a threaded hole is formed in the surface of the fixing frame (6), a lead screw (9) is connected with the inner wall of the threaded hole in a threaded mode, the left end of the lead screw (9) is connected with a limiting ring plate (10) in a rotating mode, a limiting ejector rod (11) is fixedly connected with the left side of the limiting ring plate (10), the position of the limiting ejector rod (11) corresponds to the protruding ring (8), and the end part of the limiting ejector rod (11) is provided with a rubber block.
2. The turbine rotor axial stop arrangement of claim 1, wherein: the side of the fixing frame (6) is provided with a guide hole, the right side of the limit ring plate (10) is fixedly connected with a guide rod (12), and the guide rod (12) is connected with the guide hole in a sliding mode.
3. The turbine rotor axial stop arrangement of claim 1, wherein: the right end of the screw rod (9) extends to the right side of the fixing frame (6) and is fixedly connected with a hand wheel.
4. The turbine rotor axial stop arrangement of claim 1, wherein: the left side of base case (1) is provided with driving motor (14), and the output of driving motor (14) extends to the inside of base case (1) to with the left end fixed connection of threaded rod (2).
5. The turbine rotor axial stop arrangement of claim 1, wherein: the right side of stop collar (5) has been seted up and has been placed the hole, places the inner wall in hole and has seted up four guide roller (15) that are the annular distribution, the surperficial overlap joint of guide roller (15) and steam turbine rotor body (7).
6. The turbine rotor axial stop arrangement of claim 1, wherein: a strip-shaped hole is formed in the upper surface of the base box (1), a limiting sliding groove is formed in the inner wall of the strip-shaped hole, and a sliding block is fixedly connected to the surface of the supporting column (4) and is in sliding connection with the limiting sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122919863.7U CN216422298U (en) | 2021-11-25 | 2021-11-25 | Axial limiting device for steam turbine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122919863.7U CN216422298U (en) | 2021-11-25 | 2021-11-25 | Axial limiting device for steam turbine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216422298U true CN216422298U (en) | 2022-05-03 |
Family
ID=81338204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122919863.7U Expired - Fee Related CN216422298U (en) | 2021-11-25 | 2021-11-25 | Axial limiting device for steam turbine rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216422298U (en) |
-
2021
- 2021-11-25 CN CN202122919863.7U patent/CN216422298U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220503 |