CN220094156U - Turbine rotor sealing piece coping device - Google Patents
Turbine rotor sealing piece coping device Download PDFInfo
- Publication number
- CN220094156U CN220094156U CN202321249223.2U CN202321249223U CN220094156U CN 220094156 U CN220094156 U CN 220094156U CN 202321249223 U CN202321249223 U CN 202321249223U CN 220094156 U CN220094156 U CN 220094156U
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- CN
- China
- Prior art keywords
- grinding
- turbine rotor
- bevel gear
- rotating shaft
- shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 30
- 230000010485 coping Effects 0.000 title claims abstract description 10
- 238000005498 polishing Methods 0.000 claims abstract description 29
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- 229910001651 emery Inorganic materials 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 244000309464 bull Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The utility model discloses a turbine rotor sealing piece coping device which comprises a fixed seat, wherein a main body support is arranged on the fixed seat, and an adjusting device is arranged on the main body support; the automatic polishing device is characterized in that a mounting hole is formed in the fixing seat, a rotating rod capable of being connected with an output shaft of the driving mechanism is arranged in the mounting hole in a penetrating mode, the rotating rod can be connected with a driving bevel gear arranged at the top end of the rotating rod, a driven bevel gear is connected to the driving bevel gear in a meshed mode, a driven wheel is connected to the driven bevel gear in a meshed mode, a polishing rotating shaft is arranged on the driven wheel in a penetrating mode, and a grinding wheel is sleeved on the polishing rotating shaft. The utility model has simple structure and convenient carrying and use, can improve the field processing convenience of the turbine rotor sealing sheet, reduce the polishing limit of the sealing sheet of large-scale equipment, effectively shorten the maintenance period and save the transportation cost and the repair cost of users.
Description
Technical Field
The utility model relates to the field of compressors, in particular to a turbine rotor sealing piece coping device.
Background
The high-low tooth seal is simple and efficient, is widely applied to turbomachinery, can reduce or lose efficacy of the seal caused by the increase of the gap due to abrasion of the seal after running for a period of time due to the conditions of fluid flushing and rotating running abrasion, and needs to replace the seal teeth.
When the device is replaced, the old sealing piece is required to be removed, then the new sealing piece is inlaid again, but after the device is operated for a long time, the sealing body is deformed and worn to different degrees, so that the gap of the new sealing piece processed according to the original design size still has deviation, the operation of the device is affected due to the fact that the deviation is too small, the sealing failure is caused due to the fact that the device is too large, and the repairing effect cannot be achieved.
Therefore, after the new sealing sheet is assembled on site, the new sealing sheet is usually required to be subjected to secondary polishing according to the fit clearance requirement, the rotor of the large turbine is large in weight, long in span and large in turning radius, the turning seal usually needs to be processed by a large horizontal lathe of more than 2m, and the design requirement can be met only through at least 2 times of processing when the fit clearance tolerance is relatively small and the precision requirement is high, but in the prior art, due to the lack of a portable polishing device capable of polishing the sealing sheet on site, a user can only measure the sealing clearance after the sealing sheet is inlaid on site, then the sealing sheet is sent to a manufacturing plant with processing capability to be turned, so that the design requirement is met, or the rotor is directly returned to the original manufacturing plant to be subjected to replacement processing, the design requirement is met, the polishing time is long, and the cost is high.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the utility model aims to provide a turbine rotor sealing piece polishing device, which aims to solve the technical problem that a portable polishing device capable of polishing a sealing piece on site is lacking in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the turbine rotor sealing piece coping device comprises a fixed seat, wherein a main body support is arranged on the fixed seat, and an adjusting device is arranged on the main body support;
the automatic polishing device is characterized in that the fixing seat is provided with a mounting hole, a rotating rod is arranged in the mounting hole in a penetrating mode, a driving bevel gear is arranged at the top end of the rotating rod, a driven bevel gear is connected to the driving bevel gear in a meshed mode, a driven wheel is connected to the driven bevel gear in a meshed mode, a polishing rotating shaft is arranged on the driven wheel in a penetrating mode, and a grinding wheel piece is sleeved on the polishing rotating shaft.
The utility model also has the following technical characteristics:
specifically, the main body support comprises a fixing part and a first plate pair arranged on the fixing part, a first rotating shaft is arranged between the first plate pair, and the driven bevel gear is sleeved on the first rotating shaft.
Still further, adjusting device includes setting up in first pivot epaxial connecting piece and setting up the epaxial spacing piece of polishing.
Still further, the grinding wheel positioner comprises a U-shaped body, and the opening end of the U-shaped body is penetrated with the grinding rotating shaft.
Still further, the bull stick includes from top to bottom integration first linkage segment and the second linkage segment that connects the setting, first linkage segment is the round bar, and the second linkage segment is interior hexagonal rod.
Furthermore, the fixing seat body is connected with the main body support through a fixing bolt.
Furthermore, a grinding wheel locking piece is further arranged between the grinding wheel and the limiting piece, the grinding wheel locking piece is sleeved on the grinding rotating shaft, and the grinding wheel locking piece is connected with the driven wheel.
Still further, both ends of pivot and first pivot of polishing all are provided with the snap ring.
Furthermore, a first bearing is sleeved on the polishing rotating shaft, and a second bearing is arranged on the first rotating shaft.
Further, the first connecting section is sequentially sleeved with the gasket and the shaft sleeve from top to bottom.
Compared with the prior art, the utility model has the following technical effects:
the utility model has simple structure and convenient carrying and use, can improve the field processing convenience of the turbine rotor sealing sheet, reduce the polishing limit of the sealing sheet of large-scale equipment, effectively shorten the maintenance period and save the transportation cost and the repair cost of users.
Drawings
Fig. 1 is an exploded view of the present utility model.
The reference numerals in the figures represent:
the grinding machine comprises a 1-fixed seat, a 2-main body support, a 3-adjusting device, a 4-grinding wheel, a 5-rotating rod, a 6-driving bevel gear, a 7-driven bevel gear, an 8-driven wheel, a 9-fixing bolt, a 10-grinding rotating shaft, an 11-gasket, a 12-shaft sleeve, a 13-grinding wheel locking piece, a 14-clamping ring, a 15-first bearing and a 16-second bearing; 21-a fixing part, 22-a first plate pair, 23-a first rotating shaft; 31-connecting piece, 32-spacing piece.
The following examples illustrate the utility model in further detail.
Detailed Description
The following specific embodiments of the present utility model are provided, and it should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical scheme of the present utility model fall within the protection scope of the present utility model.
In describing the azimuth of the present utility model, it should be understood that the azimuth shown in fig. 1 is described, where the first circular port is located at the front end in the lateral direction, and the second circular port is located at the rear end in the lateral direction. The terms "upper," "lower," "front," "rear," "left," "right," and the like indicate an orientation or positional relationship merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
Example 1
According to the technical scheme, as shown in fig. 1, the utility model provides a turbine rotor sealing piece coping device, which comprises a fixed seat 1, wherein a main body bracket 2 is arranged on the fixed seat 1, and an adjusting device 3 is arranged on the main body bracket 2; the main body support 2 is used for supporting the adjusting device 3, the mounting hole is formed in the fixing seat 1, the rotating rod 5 capable of being connected with the output shaft of the driving mechanism is arranged in the mounting hole in a penetrating mode, the rotating rod 5 can be connected with a driving shaft of the driving device, a driving bevel gear 6 is arranged at the top end of the rotating rod 5, a driven bevel gear 7 is connected to the driving bevel gear 6 in a meshed mode, a driven wheel 8 is connected to the driven bevel gear 7 in a meshed mode, a polishing rotating shaft 10 is arranged on the driven wheel 8 in a penetrating mode, a grinding wheel 4 is sleeved on the polishing rotating shaft 10, and the adjusting device 3 is used for adjusting the position of the grinding wheel 4.
A mounting hole is formed in the center of the fixed seat 1, a rotating rod 5 capable of being connected with an output shaft of the driving mechanism is arranged in the mounting hole in a penetrating manner, a driving bevel gear 6 is arranged at the top end of the rotating rod 5, and a driven bevel gear 7 is connected to the driving bevel gear 6 in a meshed manner;
the driven bevel gear 7 is connected with the grinding wheel 4 in a meshed mode, the driving bevel gear 6 and the driven bevel gear 7 form a bevel gear pair, the output shaft of the driving mechanism drives the rotating rod 5 to rotate, the driving bevel gear 6 arranged at the top end of the rotating rod 5 can drive the driven bevel gear 7 to rotate, the grinding wheel 4 is driven to rotate, and finally polishing of the sealing piece is achieved.
As a preferable scheme of this embodiment, the main body support 2 includes a fixing portion 21 and a first plate pair 22 disposed on the fixing portion 21, a first rotating shaft 23 is mounted between the first plate pair 22, a driven bevel gear 7 is sleeved on the first rotating shaft 23, a through hole is formed in the center of the fixing portion 21, the through hole is coaxially communicated with the mounting hole, and the rotating rod 5 is inserted into the through hole and the mounting hole, so that the driven bevel gear 7 is meshed with the driven bevel gear 6 after the driven bevel gear 6 passes out of the through hole and enters a gap between the first plate pair 22.
As a preferred scheme of this embodiment, the adjusting device 3 includes a connecting piece 31 installed on the first rotating shaft 23, a grinding wheel positioner 32 is connected to the connecting piece 31, the grinding wheel positioner 32 is sleeved on the polishing rotating shaft 10, the grinding wheel positioner 32 includes a U-shaped body, an opening end of the U-shaped body is penetrated through the polishing rotating shaft 10, and a closed end of the U-shaped body is connected with the fixing portion 21.
As a preferable scheme of the present embodiment, the rotating rod 5 includes a first connecting section 51 and a second connecting section 52 which are connected, the first connecting section 51 is a round rod, and the second connecting section 52 is a hexagon socket rod.
As a preferable scheme of the present embodiment, the body of the fixing base 1 is connected with the main body bracket 2 through a fixing bolt 9.
As a preferred scheme of this embodiment, still be provided with emery wheel locking piece 13 between emery wheel piece 4 and the spacing piece 32, emery wheel locking piece 13 cover is established on polishing pivot 10, and emery wheel locking piece 13 links to each other with driven wheel 8, and in this embodiment, emery wheel locking piece 13 and driven wheel 8 threaded connection specifically includes: the grinding wheel locking piece 13 comprises a grinding wheel locking piece body and a connecting part vertically arranged on the grinding wheel locking piece body, wherein a grinding rotating shaft mounting hole is formed in the center of the grinding wheel locking piece body, the connecting part is arranged on the periphery of the grinding rotating shaft mounting hole, external threads are arranged on the outer wall of the connecting part, and internal threads matched with the external threads are formed in the inner wall of the driven wheel 8. The grinding wheel locking piece 13 is in threaded connection with the driven wheel 8 and then can limit the grinding wheel 4.
As a preferable scheme of the present embodiment, both ends of the grinding spindle 10 and the first spindle 23 are provided with snap rings 14. The clasp 14 cooperates with the connector 31 to axially limit the grinding shaft 10 and the first shaft 23.
As a preferred solution of this embodiment, the polishing shaft 10 is further sleeved with a first bearing 15, and the first shaft 23 is further provided with a second bearing 16, where the first bearing 15 and the second bearing 16 are used for reducing friction during rotation.
As a preferable scheme of the embodiment, the gasket 11 and the shaft sleeve 12 are sleeved on the first connecting section 51 from top to bottom, the shaft sleeve 12 is used for restraining the deflection of the rotating rod 5 in the rotating process, and abrasion of the rotating rod 5 and the main body support 2 is reduced.
The application process of the utility model is as follows:
firstly, seal clearance measurement is carried out, the grinding amount of a sealing piece is determined, then the position of an adjusting device 3 is adjusted according to the determined grinding amount, the position adjustment of a grinding wheel 4 is realized, a second connecting section 52 of a rotating rod 5 is inserted into a chuck of an electric hand drill to be screwed, the device is firmly connected with the electric hand drill, the electric hand drill is started, an output shaft of the electric hand drill drives the rotating rod 5 to rotate, a driving bevel gear 6 arranged at the top end of the rotating rod 5 can drive a driven bevel gear 7 to rotate, then a driven wheel 8 is driven to rotate, and finally a grinding rotating shaft 10 and the grinding wheel 4 arranged on the grinding rotating shaft 10 are driven to rotate, so that the sealing piece is ground.
The foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the utility model; various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The turbine rotor sealing piece coping device comprises a fixed seat (1), and is characterized in that a main body support (2) is arranged on the fixed seat (1), and an adjusting device (3) is arranged on the main body support (2);
the novel grinding wheel is characterized in that a mounting hole is formed in the fixing seat (1), a rotating rod (5) is arranged in the mounting hole in a penetrating mode, a driving bevel gear (6) is arranged at the top end of the rotating rod (5), a driven bevel gear (7) is connected to the driving bevel gear (6) in a meshed mode, a driven wheel (8) is connected to the driven bevel gear (7) in a meshed mode, a grinding rotating shaft (10) is arranged on the driven wheel (8) in a penetrating mode, and a grinding wheel (4) is sleeved on the grinding rotating shaft (10).
2. The turbine rotor seal polishing device according to claim 1, wherein the main body bracket (2) comprises a fixing portion (21) and a first plate pair (22) arranged on the fixing portion (21), a first rotating shaft (23) is arranged between the first plate pair (22), and the driven bevel gear (7) is sleeved on the first rotating shaft (23).
3. The turbine rotor seal grinding apparatus as claimed in claim 1, wherein the adjusting means (3) comprises a connecting piece (31) mounted on the first shaft (23) and a limiting piece (32) provided on the grinding shaft (10).
4. The turbine rotor seal grinding apparatus as claimed in claim 1, wherein said connecting member (31) comprises a U-shaped body having an open end through which said grinding shaft (10) is inserted.
5. The turbine rotor seal grinding device according to claim 1, wherein the rotary rod 5 comprises a first connecting section (51) and a second connecting section (52) which are connected, the first connecting section (51) is a round rod, and the second connecting section (52) is an inner hexagonal rod.
6. The turbine rotor sealing piece coping device according to claim 2, characterized in that the fixing seat (1) body and the main body bracket (2) are connected through a fixing bolt (9).
7. A turbine rotor sealing piece coping device as claimed in claim 3, characterized in that a grinding wheel locking piece (13) is further arranged between the grinding wheel piece (4) and the limiting piece (32), the grinding wheel locking piece (13) is sleeved on the grinding rotating shaft (10), and the grinding wheel locking piece (13) is connected with the driven wheel (8).
8. The turbine rotor seal polishing device according to claim 2, wherein both ends of the polishing shaft (10) and the first shaft (23) are provided with snap rings (14).
9. The turbine rotor sealing piece coping device as claimed in claim 2, characterized in that the grinding rotating shaft (10) is further sleeved with a first bearing (15), and the first rotating shaft (23) is further provided with a second bearing (16).
10. The turbine rotor seal polishing device according to claim 5, wherein the first connecting section (51) is provided with a gasket (11) and a shaft sleeve (12) in sequence from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321249223.2U CN220094156U (en) | 2023-05-22 | 2023-05-22 | Turbine rotor sealing piece coping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321249223.2U CN220094156U (en) | 2023-05-22 | 2023-05-22 | Turbine rotor sealing piece coping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220094156U true CN220094156U (en) | 2023-11-28 |
Family
ID=88868766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321249223.2U Active CN220094156U (en) | 2023-05-22 | 2023-05-22 | Turbine rotor sealing piece coping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220094156U (en) |
-
2023
- 2023-05-22 CN CN202321249223.2U patent/CN220094156U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |