CN211924264U - Oil device for steam turbine jacking shaft - Google Patents
Oil device for steam turbine jacking shaft Download PDFInfo
- Publication number
- CN211924264U CN211924264U CN202020615236.7U CN202020615236U CN211924264U CN 211924264 U CN211924264 U CN 211924264U CN 202020615236 U CN202020615236 U CN 202020615236U CN 211924264 U CN211924264 U CN 211924264U
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- China
- Prior art keywords
- adjusting
- shell
- casing
- bevel gear
- fixedly connected
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Abstract
The utility model discloses a be used for steam turbine jackshaft oil device, which comprises a housin, the inside of casing is provided with the adjusting piston that can reciprocate, the regulation pole is installed at adjusting piston's top, the last fixed surface of casing is connected with adjusts the casing, the inside swing joint who adjusts the casing has the screw rod, the surface threaded connection of screw rod has the swivel nut, the fixed surface of swivel nut is connected with the connecting plate, the tip and the regulation pole fixed connection of connecting plate, adjust the top fixedly connected with top casing of casing, the screw rod extends to the inside first bevel gear of one end fixedly connected with of top casing. This be used for steam turbine jackshaft oil device sets up through the cooperation between structures such as adjusting piston, regulation pole, screw rod, swivel nut, connecting plate, first bevel gear, connecting rod and second bevel gear, has realized adjusting the oil pressure function, makes the oil pressure reach the requirement of regulation, and is rational in infrastructure, convenient operation.
Description
Technical Field
The utility model relates to a steam turbine technical field specifically is a be used for steam turbine footstep oil device.
Background
The steam turbine jack-up oil system is the effect of jack-up rotor when starting, the in-process barring machine warming-up of shutting down of unit and evenly cooling, turbo generator set's elliptical bearing all is equipped with high-pressure jack-up oil pocket, the high-pressure oil that the jack-up device provided forms the static pressure oil film between rotor and bearing oil pocket, force with the rotor jack-up, dry friction between the low rotational speed in-process journal of steam turbine and the axle bush has been avoided, in steam turbine jack-up oil system, every unit assembles 2 pumps, 1 is equipped with 1 usually, the flow to the axle bush relies on the manual stop valve on every oil circuit to adjust, the oil pump is exerted power inadequately often appears in the use, oil pressure fluctuation etc. trouble, the normal operating of unit has been influenced.
Accordingly, a steam turbine top shaft oil device is now proposed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a be directed against prior art not enough, the utility model provides a be used for steam turbine footstock oil device has solved the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a be used for steam turbine jackshaft oil device, includes the casing, the inside of casing is provided with the adjusting piston that can reciprocate, the regulation pole is installed at adjusting piston's top, the last fixed surface of casing is connected with the adjusting housing, the inside swing joint who adjusts the casing has the screw rod, the surface threaded connection of screw rod has the swivel nut, the fixed surface of swivel nut is connected with the connecting plate, the tip and the regulation pole fixed connection of connecting plate, the top fixedly connected with top casing of adjusting the casing, the screw rod extends to the inside first bevel gear of one end fixedly connected with of top casing, the inside swing joint of top casing has the connecting rod, the one end fixedly connected with second bevel gear of connecting rod, second bevel gear is connected with the meshing of first bevel gear.
Optionally, an outlet pipeline is fixedly mounted on one side of the shell, and an adjusting column is arranged inside the outlet pipeline.
Optionally, a slide way is arranged on one side of the adjusting shell, and the connecting plate is connected with the slide way in a sliding manner.
Optionally, the top casing and the adjusting casing are of an integrated structure, and the top casing and the adjusting casing are made of stainless steel.
Optionally, the screw rod and the connecting rod are movably connected with the adjusting shell and the top shell respectively through ball bearings.
Optionally, the other end of the connecting rod is fixedly connected with an operation column, and the outer surface of the operation column is provided with anti-skid threads.
(III) advantageous effects
The utility model provides a be used for steam turbine jackshaft oil device possesses following beneficial effect:
1. this be used for steam turbine jackshaft oil device sets up through the cooperation between structures such as adjusting piston, regulation pole, screw rod, swivel nut, connecting plate, first bevel gear, connecting rod and second bevel gear, has realized adjusting the oil pressure function, makes the oil pressure reach the requirement of regulation, and is rational in infrastructure, and convenient operation has solved among the prior art jackshaft oil pump in use and has often appeared that the oil pump is exerted oneself inadequately, and the oil pressure fluctuates and the trouble and has influenced the problem of the normal operating of unit.
2. This be used for steam turbine jackshaft oil device through the meshing setting between first bevel gear and the second bevel gear, can guarantee the stability of rotation process, moreover, threaded connection between screw rod and the swivel nut when adjusting the oil pressure, and is controlled more easily, simultaneously, also need not extra fixing device to fix the regulating lever for the operation is refined and simplified, improves and uses the satisfaction.
Drawings
FIG. 1 is a schematic view of the cross-sectional structure of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;
fig. 3 is a schematic view of the structure of the present invention.
In the figure: 1. a housing; 2. an adjusting piston; 3. adjusting a rod; 4. adjusting the shell; 5. a screw; 6. a threaded sleeve; 7. a connecting plate; 8. a top housing; 9. a first bevel gear; 10. a connecting rod; 11. a second bevel gear; 12. an outlet conduit; 13. an adjustment column; 14. a slideway; 15. a ball bearing; 16. operating the column; 17. and (4) anti-skid threads.
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.
Referring to fig. 1 to 3, the present invention provides a technical solution: a steam turbine top shaft oil device comprises a shell 1, an outlet pipeline 12 is fixedly installed on one side of the shell 1, an adjusting column 13 is arranged inside the outlet pipeline 12, an adjusting piston 2 capable of moving up and down is arranged inside the shell 1, an adjusting rod 3 is installed at the top of the adjusting piston 2, an adjusting shell 4 is fixedly connected to the upper surface of the shell 1, a screw rod 5 is movably connected inside the adjusting shell 4, a threaded sleeve 6 is connected to the outer surface of the screw rod 5 in a threaded manner, a connecting plate 7 is fixedly connected to the outer surface of the threaded sleeve 6, a slide 14 is arranged on one side of the adjusting shell 4, the connecting plate 7 is in sliding connection with the slide 14, the end portion of the connecting plate 7 is fixedly connected with the adjusting rod 3, a top shell 8 is fixedly connected to the top of the adjusting shell 4, the top shell 8 and the adjusting shell 4 are of an integral structure, screw rod 5 extends to the inside first bevel gear 9 of one end fixedly connected with of top casing 8, the inside swing joint of top casing 8 has connecting rod 10, screw rod 5 and connecting rod 10 all through ball bearing 15 respectively with adjust casing 4 and top casing 8 swing joint, the other end fixedly connected with of connecting rod 10 operates cylinder 16, and the surface of operating cylinder 16 is provided with anti-skidding screw thread 17, the one end fixedly connected with second bevel gear 11 of connecting rod 10, second bevel gear 11 is connected with first bevel gear 9 meshing.
The utility model discloses when using, through rotating operation cylinder 16, make second bevel gear 11 of connecting rod 10 tip drive first bevel gear 9 and rotate, thereby make screw rod 5 rotate, then under the limiting displacement of slide 14 to connecting plate 7, make swivel nut 6 carry out the ascending motion of upper and lower side, thereby make connecting plate 7 take adjusting lever 3 to carry out the up-and-down motion, make adjusting piston 2 reciprocate in 1 inside of casing, and then drive and adjust the post 13 and remove, it can to the regulation requirement to adjust the oil pressure.
In summary, the oil pressure adjusting function is realized through the matching arrangement of the adjusting piston, the adjusting rod 3, the screw rod 5, the threaded sleeve 6, the connecting plate 7, the first bevel gear 9, the connecting rod 10, the second bevel gear 11 and other structures, so that the oil pressure reaches the specified requirement, the structure is reasonable, the operation is convenient, the problems that the normal operation of the unit is influenced by the faults of insufficient oil pump output, oil pressure fluctuation and the like frequently occurring in the use of the top shaft oil pump in the prior art are solved, the stability of the rotation process can be ensured by the meshing arrangement between the first bevel gear 9 and the second bevel gear 11, and moreover, the threaded connection between the screw rod 5 and the screw sleeve 6, when adjusting the oil pressure, control more easily, simultaneously, also need not extra fixing device and fix adjusting lever 3 for the operation is smart to be simplified, improves and uses the satisfaction.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A device for the oil of the top shaft of a steam turbine comprises a shell (1), and is characterized in that: an adjusting piston (2) capable of moving up and down is arranged inside the shell (1), an adjusting rod (3) is installed at the top of the adjusting piston (2), an adjusting shell (4) is fixedly connected to the upper surface of the shell (1), a screw rod (5) is movably connected inside the adjusting shell (4), a threaded sleeve (6) is connected to the outer surface of the screw rod (5) in a threaded manner, a connecting plate (7) is fixedly connected to the outer surface of the threaded sleeve (6), the end portion of the connecting plate (7) is fixedly connected with the adjusting rod (3), a top shell (8) is fixedly connected to the top of the adjusting shell (4), a first bevel gear (9) is fixedly connected to one end, extending to the inside of the top shell (8), of the screw rod (5), a connecting rod (10) is movably connected inside the top shell (8), and a second bevel gear (11) is fixedly connected to one end, the second bevel gear (11) is in meshed connection with the first bevel gear (9).
2. The apparatus of claim 1, wherein: one side fixed mounting of casing (1) has export pipeline (12), just the inside of export pipeline (12) is provided with adjusts post (13).
3. The apparatus of claim 1, wherein: slide (14) have been seted up to one side of adjusting casing (4), just connecting plate (7) and slide (14) sliding connection.
4. The apparatus of claim 1, wherein: the top shell (8) and the adjusting shell (4) are of an integrated structure, and the top shell (8) and the adjusting shell (4) are made of stainless steel.
5. The apparatus of claim 1, wherein: the screw rod (5) and the connecting rod (10) are respectively movably connected with the adjusting shell (4) and the top shell (8) through ball bearings (15).
6. The apparatus of claim 1, wherein: the other end of the connecting rod (10) is fixedly connected with an operation column body (16), and the outer surface of the operation column body (16) is provided with anti-skidding threads (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020615236.7U CN211924264U (en) | 2020-04-22 | 2020-04-22 | Oil device for steam turbine jacking shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020615236.7U CN211924264U (en) | 2020-04-22 | 2020-04-22 | Oil device for steam turbine jacking shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211924264U true CN211924264U (en) | 2020-11-13 |
Family
ID=73328050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020615236.7U Expired - Fee Related CN211924264U (en) | 2020-04-22 | 2020-04-22 | Oil device for steam turbine jacking shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211924264U (en) |
-
2020
- 2020-04-22 CN CN202020615236.7U patent/CN211924264U/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: 20201113 Termination date: 20210422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |