CN210164505U - Emergency breaker of steam turbine - Google Patents
Emergency breaker of steam turbine Download PDFInfo
- Publication number
- CN210164505U CN210164505U CN201920500373.3U CN201920500373U CN210164505U CN 210164505 U CN210164505 U CN 210164505U CN 201920500373 U CN201920500373 U CN 201920500373U CN 210164505 U CN210164505 U CN 210164505U
- Authority
- CN
- China
- Prior art keywords
- wall
- flyweight
- hole
- adjusting spring
- adjusting
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Landscapes
- Control Of Turbines (AREA)
Abstract
The utility model relates to an emergency breaker of a steam turbine, which comprises an installation rod, wherein a cavity is arranged on the installation rod, a through hole is arranged on the bottom surface of the cavity, an installation frame is connected in the cavity in a sliding way, an adjusting spring is connected in the installation frame in a sliding way, a flyweight is connected in the through hole in a sliding way, one end of the flyweight passes through the adjusting spring, an adjusting mechanism is arranged between one end of the flyweight and the adjusting spring, a positioning screw is connected on the installation rod in a threaded way, one end of the positioning screw is propped against the outer wall of the installation frame, the installation frame is locked on the inner wall of the cavity through the positioning screw, the flyweight is connected in the through hole in a sliding way, an adjusting spring is connected in the installation hole in a sliding way, one end of the flyweight passes through the adjusting spring, one end of the flyweight is connected with one end of the adjusting spring together, the restoring force, the rotating speed of the emergency governor during operation can be adjusted.
Description
Technical Field
The utility model relates to a steam turbine accessory especially relates to an emergency governor of steam turbine.
Background
The industrial steam turbine is high-speed rotating equipment, and the emergency protector is an overspeed protection device of an industrial steam turbine safety system. The rotating speed of the steam turbine directly influences the working conditions of a generator or other machines driven by the steam turbine and is determined by the strength of the impeller material and the loosening rotating speed of the interference fit of the impeller. The rotating speed of the steam turbine cannot be over-speed too much, otherwise serious accidents of equipment can be caused.
The flyweight tripping structure is widely applied to a steam turbine, the working condition environment of the conventional flyweight tripping structure is usually in gas, after a designer designs the flyweight tripping structure, the performance of the flyweight tripping structure can be detected by a mechanical tripping device verification device in the gas environment, the commonly used mechanical tripping device has a flyweight type and a flyring type, and the performance of the flyweight tripping structure in all aspects can be effectively obtained by simulating the gas working condition during working, so that the effect is good.
The existing flyweight tripping structure cannot adjust the threshold value of flyweight tripping according to working conditions in the using process, and the flyweight tripping structure is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an emergency governor of steam turbine, it has the gliding power way of adjusting the flyweight in the through-hole, can adjust the effect of the rotational speed of emergency governor during operation.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides an emergency governor of steam turbine, includes the installation pole seted up a cavity on the installation pole, cavity one side and external intercommunication, be close to the surface of cavity and external intercommunication on the installation pole and seted up the through-hole threaded connection has one to shelter from the ring on the through-hole inner wall, and sliding connection has the installing frame in the cavity, and sliding connection has an adjusting spring in the installing frame, and sliding connection has a flyweight in the through-hole, adjusting spring is passed to the one end of flyweight, is equipped with an adjustment mechanism who is used for adjusting the adjusting spring restoring force between the one end of flyweight and adjusting spring, and threaded connection has a set screw on the installation pole, set screw's one end is supported tightly on the installing frame outer wall.
Through adopting above-mentioned technical scheme, lock the installing frame on the cavity inner wall through set screw, flyweight sliding connection has adjusting spring in the through-hole, sliding connection has in the mounting hole, adjusting spring is passed through to the one end of flyweight, links together between flyweight one end and the adjusting spring's the one end, adjusts adjusting spring's restoring force through adjustment mechanism, through adjusting spring's restoring force, can adjust the gliding power of flyweight in the through-hole, can adjust the rotational speed of emergency governor during operation.
The utility model discloses further set up to: the adjusting mechanism comprises a connecting plate, a connecting hole, an adjusting nut, a mounting plate and a through hole, wherein the connecting plate is in threaded connection with the inner wall of the cavity, the connecting hole is formed in the connecting plate, the adjusting nut is in threaded connection with one end of the flyweight, the mounting plate is in sliding connection with the inner wall of the mounting frame, the through hole is formed in the mounting plate, one end of the flyweight is arranged in the connecting hole and the through hole in a penetrating mode, one side of the adjusting nut is tightly supported on the mounting plate, one end of the adjusting spring is tightly supported on the mounting plate.
Through adopting above-mentioned technical scheme, through adjusting the position of connecting plate on the cavity inner wall, adjusting nut threaded connection is served at the flyweight, and adjusting nut one side supports tightly on the mounting panel, and the mounting panel supports tightly on adjusting spring one and serves, through such setting, simple structure, convenient operation has made things convenient for the operator to adjust adjusting spring's restoring force.
The utility model discloses further set up to: the mounting panel is close to fixedly connected with a fixture block on one side of adjusting spring, the fixture block is cylindricly setting, the fixture block diameter is the same with adjusting spring internal diameter.
Through adopting above-mentioned technical scheme, through being close to an adjusting spring's one side at the mounting panel on a fixed connection fixture block, the fixture block is cylindric setting, and the diameter of fixture block is the same with adjusting spring's internal diameter, through such setting, simple structure, convenient operation, with adjusting spring joint on the fixture block outer wall, has improved the mounting panel and has supported the stability tight on adjusting spring.
The utility model discloses further set up to: and a guide surface is arranged on one side of the clamping block, which is far away from the mounting plate, and the guide surface is arranged towards the adjusting spring.
By adopting the technical scheme, the guide surface is arranged on one side of the fixture block away from the mounting plate, and the adjusting spring is convenient to clamp on the outer wall of the fixture block by arranging the guide surface.
The utility model discloses further set up to: the through hole is connected with a lining in a rotating mode, the flyweight is connected to the inner wall of the lining in a sliding mode, and the mounting frame is connected to the outer wall of the lining in a sliding mode.
Through adopting above-mentioned technical scheme, through swivelling joint in the through-hole has a bush, and flyweight sliding connection is on the bush inner wall, and installing frame sliding connection is on the bush outer wall, and adjusting spring is worn to establish by bush one end, through such setting, simple structure, convenient operation has improved the installation stability of adjusting spring in the installing frame.
The utility model discloses further set up to: the outer wall of the bushing is fixedly connected with a positioning ring, and one side of the positioning ring is abutted against the bottom surface of the shielding ring.
Through adopting above-mentioned technical scheme, through fixedly connected with a holding ring on the bush outer wall, holding ring one side supports tightly on the cavity bottom surface, through such setting, simple structure, convenient operation has made things convenient for the position of bush in the through-hole to fix a position.
The utility model discloses further set up to: an inclined surface is arranged on the inner wall of one end of the through hole, which is far away from the connecting plate.
By adopting the technical scheme, the inclined plane is formed on the inner wall of the end, far away from the connecting plate, of the through hole, and the through hole is convenient to penetrate into the through hole at one end of the flyweight.
The utility model discloses further set up to: an annular groove is formed in the outer wall of the mounting frame, and one end of the positioning screw abuts against the bottom surface of the annular groove.
Through adopting above-mentioned technical scheme, through offering an annular at the installing frame outer wall, the width of annular is greater than set screw's diameter, and set screw's one end is supported tightly on the annular bottom surface, and through such setting, simple structure, convenient operation has made things convenient for the installation of installing frame on the cavity inner wall, has made things convenient for and has finely tuned the position of installing frame on the cavity inner wall.
To sum up, the utility model discloses a beneficial technological effect does: the restoring force of the adjusting spring is adjusted through the adjusting mechanism, the sliding force of the flyweight in the through hole can be adjusted through adjusting the restoring force of the adjusting spring, and the rotating speed of the emergency breaker during working can be adjusted; the restoring force of the adjusting spring is convenient for an operator to adjust; the position of the mounting frame on the inner wall of the cavity is convenient to finely adjust; one end of the flyweight is convenient to penetrate into the through hole.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment.
Reference numerals: 1. mounting a rod; 2. a cavity; 3. a through hole; 4. installing a frame; 5. adjusting the spring; 6. flying hammers; 7. an adjustment mechanism; 8. a set screw; 9. a connecting plate; 10. connecting holes; 11. adjusting the nut; 12. mounting a plate; 13. a through hole; 14. a clamping block; 15. a guide surface; 16. a bushing; 17. a positioning ring; 18. an inclined surface; 19. a ring groove; 20. a shield ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, for the utility model discloses a critical breaker of steam turbine, including installation pole 1, seted up a cavity 2 on installation pole 1, cavity 2 axis is perpendicular with the circumference of installation pole 1, and cavity 2 one side and external intercommunication are close to cavity 2 and the surface of external intercommunication and have been seted up through-hole 3 on installation pole 1, and threaded connection has one to shelter from ring 20 on through-hole 3 inner wall, through-hole 3 and external intercommunication.
As shown in fig. 1, a mounting frame 4 is slidably connected to the cavity 2, an adjusting spring 5 is slidably connected to the mounting frame 4, a flyweight 6 is slidably connected to the inner wall of the shielding ring 20, one end of the flyweight 6 penetrates through the mounting frame 4 and extends into the mounting frame 4, one end of the flyweight 6 extending into the mounting frame 4 penetrates through the adjusting spring 5, an adjusting mechanism 7 for adjusting the restoring force of the adjusting spring 5 is arranged between the inner wall of the cavity 2 and the mounting frame 4, a positioning screw 8 is threadedly connected to the outer wall of the mounting rod 1, and one end of the positioning screw 8 abuts against the outer wall of the mounting frame 4.
As shown in fig. 1, the adjusting mechanism 7 includes a connecting plate 9, a connecting hole 10, an adjusting nut 11, a mounting plate 12, and a through hole 13, wherein the connecting plate 9 is screwed on the inner wall of the cavity 2, the connecting hole 10 is opened on the connecting plate 9, the connecting hole 10 penetrates through the connecting plate 9, the mounting plate 12 is slidably connected on the inner wall of the mounting frame 4, the through hole 13 is opened on the mounting plate 12, one end of the adjusting spring 5 abuts against the mounting plate 12, one side of the mounting plate 12 abuts against the connecting plate 9, the adjusting nut 11 is screwed on one end of the flyweight 6, the adjusting nut 11 is slidably connected in the connecting hole 10, and one side of the adjusting nut 11 abuts against.
As shown in fig. 1, in order to improve the stability that adjusting spring 5 supports tightly on mounting panel 12, a fixture block 14 is fixedly connected to mounting panel 12, fixture block 14 is cylindricly set up, the diameter of fixture block 14 is the same with adjusting spring 5's internal diameter, for the convenience during fixture block 14 joint advances adjusting spring 5, seted up spigot surface 15 on fixture block 14 keeps away from mounting panel 12's one end terminal surface, spigot surface 15 sets up towards adjusting spring 5, adjusting spring 5 passes through spigot surface 15 joint on fixture block 14 outer wall.
As shown in fig. 1, in order to improve the stability of the flyweight 6 rotating in the through hole 3 and the stability of the mounting frame 4 sliding on the inner wall of the cavity 2, a bush 16 is rotatably connected to the inner wall of the through hole 3, the flyweight 6 is slidably connected to the inner wall of the bush 16, and the mounting frame 4 is slidably connected to the outer wall of the bush 16.
As shown in fig. 1, in order to facilitate the positioning of the position of the bushing 16 in the through hole 3, a positioning ring 17 is fixedly connected to the outer wall of the bushing 16, and one side of the positioning ring 17 abuts against the bottom surface of the shielding ring 20.
As shown in fig. 1, in order to facilitate sliding of one end of the flyweight 6 into the through hole 13, an inclined surface 18 is formed on an inner wall of one end of the through hole 13 away from the connecting plate 9, and one end of the flyweight 6 is facilitated to enter the through hole 13 through the inclined surface 18.
As shown in fig. 1, in order to facilitate fine adjustment of the position of the mounting frame 4 in the cavity 2, an annular groove 19 is formed in the outer wall of the mounting frame 4, the width of the annular groove 19 is larger than the diameter of the positioning screw 8, and one end of the positioning screw 8 abuts against the bottom surface of the annular groove 19.
The implementation principle of the embodiment is as follows: connecting plate 9 threaded connection is on cavity 2 inner wall, adjust the position back of connecting plate 9 in cavity 2, with adjusting spring 5 sliding connection in installing frame 4, support mounting panel 12 tightly on adjusting spring 5, with installing frame 4 sliding connection on cavity 2 inner wall, screw up set screw 8, with bush 16 sliding connection in through-hole 3, one side of holding ring 17 supports tightly on holding ring 17 bottom surface, wear to establish in sheltering from ring 20 with flyweight 6 one end, adjusting spring 5 cover is established on flyweight 6 outer wall, screw up adjusting nut 11.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a critical breaker of steam turbine, includes installation pole (1), its characterized in that: a cavity (2) is arranged on the mounting rod (1), one side of the cavity (2) is communicated with the outside, a through hole (3) is arranged on the surface of the mounting rod (1) close to the cavity (2) and communicated with the outside, a shielding ring (20) is connected on the inner wall of the through hole (3) in a threaded manner, a mounting frame (4) is connected in the cavity (2) in a sliding manner, an adjusting spring (5) is connected in the mounting frame (4) in a sliding way, a flyweight (6) is connected in the shielding ring (20) in a sliding way, one end of the flyweight (6) penetrates through the adjusting spring (5), an adjusting mechanism (7) for adjusting the restoring force of the adjusting spring (5) is arranged between one end of the flyweight (6) and the adjusting spring (5), the adjusting spring (5) is arranged in a compressed manner, a positioning screw (8) is connected to the mounting rod (1) in a threaded manner, and one end of the positioning screw (8) abuts against the outer wall of the mounting frame (4); the adjusting mechanism (7) comprises a connecting plate (9) in threaded connection with the inner wall of the cavity (2), a connecting hole (10) formed in the connecting plate (9), an adjusting nut (11) in threaded connection with one end of the flyweight (6), a mounting plate (12) in sliding connection with the inner wall of the mounting frame (4), and a through hole (13) formed in the mounting plate (12), one end of the flyweight (6) is arranged in the connecting hole (10) and the through hole (13) in a penetrating mode, one side of the adjusting nut (11) abuts against the mounting plate (12), one end of the adjusting spring (5) abuts against the mounting plate (12), one side of the mounting plate (12) abuts against the connecting plate (9), and the adjusting nut (11) is in sliding connection with the connecting hole (10); the mounting panel (12) are close to fixedly connected with a fixture block (14) on one side of adjusting spring (5), fixture block (14) are cylindricly setting, fixture block (14) diameter is the same with adjusting spring (5) internal diameter.
2. The turbine emergency governor of claim 1, wherein: a guide surface (15) is arranged on one side, away from the mounting plate (12), of the clamping block (14), and the guide surface (15) faces the adjusting spring (5).
3. The turbine emergency governor of claim 1, wherein: a lining (16) is rotatably connected in the through hole (3), the flyweight (6) is slidably connected on the inner wall of the lining (16), and the mounting frame (4) is slidably connected on the outer wall of the lining (16).
4. The turbine emergency governor of claim 3, wherein: the outer wall of the bushing (16) is fixedly connected with a positioning ring (17), and one side of the positioning ring (17) abuts against the bottom surface of the shielding ring (20).
5. The turbine emergency governor of claim 1, wherein: an inclined surface (18) is arranged on the inner wall of one end of the through hole (13) far away from the connecting plate (9).
6. The turbine emergency governor of claim 1, wherein: an annular groove (19) is formed in the outer wall of the mounting frame (4), and one end of the positioning screw (8) abuts against the bottom surface of the annular groove (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920500373.3U CN210164505U (en) | 2019-04-13 | 2019-04-13 | Emergency breaker of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920500373.3U CN210164505U (en) | 2019-04-13 | 2019-04-13 | Emergency breaker of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210164505U true CN210164505U (en) | 2020-03-20 |
Family
ID=69791198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920500373.3U Expired - Fee Related CN210164505U (en) | 2019-04-13 | 2019-04-13 | Emergency breaker of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210164505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352361A (en) * | 2022-01-24 | 2022-04-15 | 重庆江增船舶重工有限公司 | Overspeed test tool for steam turbine emergency breaker assembly and use method thereof |
-
2019
- 2019-04-13 CN CN201920500373.3U patent/CN210164505U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352361A (en) * | 2022-01-24 | 2022-04-15 | 重庆江增船舶重工有限公司 | Overspeed test tool for steam turbine emergency breaker assembly and use method thereof |
| CN114352361B (en) * | 2022-01-24 | 2023-10-27 | 重庆江增船舶重工有限公司 | Overspeed test tool for steam turbine critical breaker assembly and using method of overspeed test tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210164505U (en) | Emergency breaker of steam turbine | |
| CN210041541U (en) | Step motor with shock-absorbing function | |
| CN212601150U (en) | Honing head with honing knife overload protection function | |
| CN210915833U (en) | Adjustable laser receiving end and VAD (voice activity detection) process equipment | |
| CN210616666U (en) | Cutting device for superfine fiber fabric | |
| CN107555249A (en) | A kind of setting conductor block device for crossing frame | |
| CN208645215U (en) | A kind of online assembly tool of oil sealing | |
| CN221097236U (en) | Rear protection device of engineering vehicle bearing | |
| CN207103926U (en) | The flat device of Multifunction milling | |
| CN213750128U (en) | Power line detection device | |
| CN219717893U (en) | Dynamic reactive compensation switching regulator | |
| CN218449634U (en) | Rotor for DC motor | |
| CN219492391U (en) | Turbine shaft of turbocharger | |
| CN219438302U (en) | Protection device for transmission maintenance | |
| CN110883954A (en) | Linear edge cutter for solar photovoltaic module | |
| CN220822596U (en) | Lightning arrester installation component | |
| CN212832235U (en) | Overload adjusting device for hoister | |
| CN219931569U (en) | Hanging basket safety rope fixing device | |
| CN204041674U (en) | For clamping bolt and the turbogenerator of turbogenerator casing mounting edge | |
| CN115102121B (en) | Damper mounting device | |
| CN211144983U (en) | Chain saw cylinder assembly of energy-saving wood sawing machine | |
| CN220134450U (en) | Stamping bearing seat with waterproof protective cover | |
| CN209503656U (en) | A kind of dust-extraction unit for rotor rotary cutting bracket | |
| CN219665718U (en) | Machining center walking machine for accessories | |
| CN221239467U (en) | Lightning protection type equalizing ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200320 |