CN202964616U - Anti-bending hydraulic supporting device of steam turbine rotor - Google Patents
Anti-bending hydraulic supporting device of steam turbine rotor Download PDFInfo
- Publication number
- CN202964616U CN202964616U CN 201220701287 CN201220701287U CN202964616U CN 202964616 U CN202964616 U CN 202964616U CN 201220701287 CN201220701287 CN 201220701287 CN 201220701287 U CN201220701287 U CN 201220701287U CN 202964616 U CN202964616 U CN 202964616U
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- turbine rotor
- bending
- steam turbine
- chute body
- circular arc
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Abstract
The utility model belongs to the technical field of electrical equipment and particularly relates to an anti-bending hydraulic supporting device of a steam turbine rotor. The anti-bending hydraulic supporting device is characterized in that the anti-bending hydraulic supporting device is composed of a base device, a hydraulic lifting device and a shaft support, the hydraulic lifting device is arranged on the base device, the shaft support is connected with the hydraulic lifting device, the base device comprises a fixed base, a sliding chute body, two bearing supports, a moving support, a lead screw and an operating hand wheel, the sliding chute body is arranged in the middle of the base, the two bearing supports are mounted on two sides of the sliding chute body, the moving support is in a sliding connection with the sliding chute body, the lead screw is in a threaded connection with the moving support, and the operating hand wheel is fixedly connected with one end of the lead screw. By means of the anti-bending hydraulic supporting device of the steam turbine rotor, the problem that bending and plastic deformation happen to the steam turbine rotor when the steam turbine rotor is in a heavy repair period or stored for a long time is solved, added construction procedures for preventing the rotor from bending in the heavy repair period are reduced, the maintenance period is shortened, and the construction quality is guaranteed. The anti-bending hydraulic supporting device of the steam turbine rotor has the advantages of convenient manufacture and installation, good application effects, simple and convenient operation, small size, small weight and the like.
Description
Technical field
The utility model belongs to the technical field of steam turbine equipment maintenance, especially relates to the anti-bending hydraulic support device of a kind of turbine rotor.
Background technology
C12-50/5 model steam turbine is middle pressure single cylinder extraction turbine, the machine design speed 3000Y/min, 7.5 tons of rotor gross weights, total length 6000mm.It is flex rotor that turbine rotor has adopted the sleeve structure form, and impeller adopts on the flushing cover assembled shaft of taper cone pulley, to guarantee centering highly and to transmit certain moment of torsion.
Because armature spindle distance, center of gravity are large, aspect anti-bending, specific (special) requirements is arranged, during the turbine rotor low speed rotation, because the deadweight of taper wheel face makes axle be in the downwarp case of bending, but increase when reaching 3000Y/min axle crooked disappearance that be in line with rotating speed.Rotor passes slowly under drive the speed with 5-6Y/min at low speed and rotates all the time when halt turbines, and the flexural deformation of axle is in elastic deformation all the time.When the steam turbine overhaul, after hanging out from body, must put on the dedicated leveling bracing frame rotor, simultaneously bearing portion is done certain protection.This moment, rotor broke away from the moving special environment condition that waits of body slow-speed, how to prevent that the rotor static buckling from being the important process that can not ignore.The anti-bending work of tradition is that the rotor axle head is drawn quartering mark, and the static position of rotating, changing a rotor in artificial every three days on bracing frame its objective is to prevent that the strain that the rotor downwarp produces from developing into the retrospective distortion, reduced the steam turbine running accuracy.But the method is loaded down with trivial details, consumes manpower, and effect is also desirable not to the utmost.
Summary of the invention
The purpose of this utility model is to provide a kind of turbine rotor anti-bending hydraulic support device, during solving the turbine rotor overhaul or the flexural deformation problem deposited of normal phase of rotor, reduce the operational procedure of setting up because rotor is anti-bending during overhaul, shorten maintenance duration, guarantee construction quality.
The purpose of this utility model realizes by following technical proposals:
the anti-bending hydraulic support device of turbine rotor of the present utility model, it is characterized in that by base device, be located at the hydraulic lift on this base device, therewith the axle that is connected of hydraulic lift support form, described base device is by firm banking, be located at the supermedial chute body of this firm banking, be located at two bearing spiders on this chute body both sides, the mobile support saddle that is slidably connected with described chute body, the leading screw that is threaded of mobile support saddle therewith, the operation handwheel that is fixedly connected with of leading screw one end forms therewith, described leading screw two ends are rotationally connected with described two bearing spiders respectively, described bearing spider all is fixed on described firm banking, described mobile support saddle bottom is provided with the slide rail that is slidably connected with described chute body, the top of described mobile support saddle is provided with the screw that is connected with described threads of lead screw,
Described axle support by the support stand that is connected with described hydraulic lift with support therewith the knife edge type axle holder that stand is fixedly connected with and formed, the holder of described knife edge type axle is the circular arc body with trapezoidal transversal section, the upper surface of this circular arc body is that the narrow recessed surface of circular arc, lower surface is roomy nonreentrant surface, and be abutted against mutually with the steam turbine rotor shaft middle part on described circular arc recessed surface.
Described hydraulic lift is comprised of the folding liftable frame that is located at described mobile support saddle upper surface and the hydraulic jack that is located on this folding liftable frame, described folding liftable frame is by the horizontal underframe that is fixedly connected with described mobile support saddle upper surface, two fork-shearing frames being hinged of the two ends of horizontal underframe therewith respectively, two added compositions of level that fork-shearing frame two ends are hinged therewith respectively, added and the described support stand of described level is fixedly connected with, and described hydraulic jack is provided with hand point pneumatic operating mechanism.
Described chute body is provided with dovetail groove, the swallow-tail form slide rail of the slide rail of described mobile support saddle bottom for being slidably connected with described dovetail groove.
The recessed face width of the circular arc of described circular arc body is 3 ㎜-5 ㎜.
Advantage of the present utility model:
1, during the utility model solves the turbine rotor overhaul or the normal phase of rotor deposit and bend and the problem of plastic deformation.Be the anti-bending operational procedure of setting up of rotor during reducing overhaul, shorten maintenance duration and guarantee construction quality;
2, the utlity model has the characteristics such as fabrication and installation are convenient, effect is good, easy and simple to handle, volume is little, lightweight.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of the utility model Fig. 1.
The specific embodiment
Below in conjunction with the description of drawings specific embodiment of the present utility model.
as Fig. 1, shown in 2, the anti-bending hydraulic support device of turbine rotor of the present utility model, it is characterized in that by base device, be located at the hydraulic lift on this base device, therewith the axle that is connected of hydraulic lift support form, the upper end that axle supports is connected with the steam turbine rotor shaft contact, and liftable moves under the driving of hydraulic lift, adjust best resting position, so just can reduce steam turbine rotor shaft middle part deflection deformation, described base device is by firm banking 2, be located at the supermedial chute body 1 of this firm banking 2, be located at two bearing spiders 3 of this chute body both sides, the mobile support saddle 5 that is slidably connected with described chute body, the leading screw 4 that is threaded of mobile support saddle 5 therewith, the operation handwheel 10 that is fixedly connected with of leading screw 4 one ends forms therewith, mobile support saddle 5 can be with the moving axis carries left to move right, purpose is to find the optimal site that contacts with steam turbine rotor shaft, described leading screw 4 two ends are rotationally connected with described two bearing spiders 3 respectively, described bearing spider 3 all is fixed on described firm banking 2, described mobile support saddle 5 bottoms are provided with the slide rail that is slidably connected with described chute body, the top of described mobile support saddle 5 is provided with the screw 11 that is threaded with described leading screw 4, mobile support saddle 5 middle parts are provided with through hole or groove, through hole or groove two ends are fixedly connected with screw 11, and through hole or groove inner surface do not contact with the outer round surface of leading screw 4, driving force when reducing operation leading screw 4,
Described axle support by the support stand that is connected with described hydraulic lift with support therewith the knife edge type axle holder 9 that stand 8 is fixedly connected with and formed, described knife edge type axle holder 9 is for having the circular arc body of trapezoidal transversal section, the upper surface of this circular arc body is that the narrow recessed surface of circular arc, lower surface is roomy nonreentrant surface, and be abutted against mutually with steam turbine rotor shaft 14 middle parts on described circular arc recessed surface.Adopting narrow circular arc recessed surface is in order to adapt to the profile construction features on steam turbine rotor shaft 14.
Described hydraulic lift is comprised of the folding liftable frame that is located at described mobile support saddle 5 upper surfaces and the hydraulic jack 13 that is located on this folding liftable frame, described folding liftable frame is by the horizontal underframe 12 that is fixedly connected with described mobile support saddle 5 upper surfaces, two fork-shearing frames 6 being hinged of the two ends of horizontal underframe 12 therewith respectively, two added 7 compositions of level that fork-shearing frame 6 two ends are hinged therewith respectively, described level added 7 is fixedly connected with described support stand 8, and described hydraulic jack 13 is provided with hand point pneumatic operating mechanism 15.Be abutted against mutually with horizontal underframe 12 hydraulic jack 13 bottoms, and be abutted against mutually with level added 7 at hydraulic jack 13 tops, moves on hydraulic jack 13 rising drive levels added 7, and hydraulic jack 13 decline drive levels added 7 move down,
Described chute body 1 is provided with dovetail groove, the swallow-tail form slide rail of the slide rail of described mobile support saddle 5 bottoms for being slidably connected with described dovetail groove.This precision that is slidably connected is high, and is steadily mobile.
The recessed face width of the circular arc of described circular arc body is 3 ㎜-5 ㎜.
Claims (4)
1. anti-bending hydraulic support device of turbine rotor, it is characterized in that by base device, be located at the hydraulic lift on this base device, therewith the axle that is connected of hydraulic lift support form, described base device is by firm banking, be located at the supermedial chute body of this firm banking, be located at two bearing spiders on this chute body both sides, the mobile support saddle that is slidably connected with described chute body, the leading screw that is threaded of mobile support saddle therewith, the operation handwheel that is fixedly connected with of leading screw one end forms therewith, described leading screw two ends are rotationally connected with described two bearing spiders respectively, described bearing spider all is fixed on described firm banking, described mobile support saddle bottom is provided with the slide rail that is slidably connected with described chute body, the top of described mobile support saddle is provided with the screw that is connected with described threads of lead screw,
Described axle support by the support stand that is connected with described hydraulic lift with support therewith the knife edge type axle holder that stand is fixedly connected with and formed, the holder of described knife edge type axle is the circular arc body with trapezoidal transversal section, the upper surface of this circular arc body is that the narrow recessed surface of circular arc, lower surface is roomy nonreentrant surface, and be abutted against mutually with the steam turbine rotor shaft middle part on described circular arc recessed surface.
2. the anti-bending hydraulic support device of turbine rotor according to claim 1, it is characterized in that described hydraulic lift is comprised of the folding liftable frame that is located at described mobile support saddle upper surface and the hydraulic jack that is located on this folding liftable frame, described folding liftable frame is by the horizontal underframe that is fixedly connected with described mobile support saddle upper surface, two fork-shearing frames being hinged of the two ends of horizontal underframe therewith respectively, two added compositions of level that fork-shearing frame two ends are hinged therewith respectively, added and the described support stand of described level is fixedly connected with, described hydraulic jack is provided with hand point pneumatic operating mechanism.
3. the anti-bending hydraulic support device of turbine rotor according to claim 1, is characterized in that described chute body is provided with dovetail groove, the swallow-tail form slide rail of the slide rail of described mobile support saddle bottom for being slidably connected with described dovetail groove.
4. the anti-bending hydraulic support device of turbine rotor according to claim 1, the recessed face width of circular arc that it is characterized in that described circular arc body is 3 ㎜-5 ㎜.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220701287 CN202964616U (en) | 2012-12-18 | 2012-12-18 | Anti-bending hydraulic supporting device of steam turbine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220701287 CN202964616U (en) | 2012-12-18 | 2012-12-18 | Anti-bending hydraulic supporting device of steam turbine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202964616U true CN202964616U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220701287 Expired - Fee Related CN202964616U (en) | 2012-12-18 | 2012-12-18 | Anti-bending hydraulic supporting device of steam turbine rotor |
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| Country | Link |
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| CN (1) | CN202964616U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085044A (en) * | 2012-12-18 | 2013-05-08 | 鞍钢集团矿业公司 | Hydraulic pressure support device for preventing steam turbine rotor from bending |
| CN104314617A (en) * | 2014-08-20 | 2015-01-28 | 中国神华能源股份有限公司 | Balancing method for restraining or terminating progressive bending of high and middle pressure rotor of steam turbine |
| CN105179885A (en) * | 2015-07-18 | 2015-12-23 | 成都生辉电子科技有限公司 | Use method of auxiliary tool of traffic equipment |
| CN105179886A (en) * | 2015-07-18 | 2015-12-23 | 成都生辉电子科技有限公司 | Overhauling method of traffic indicator lamps |
| CN108117014A (en) * | 2017-12-21 | 2018-06-05 | 合肥市春华起重机械有限公司 | A kind of movable up-down auto parts machinery maintenance platform |
| CN110040649A (en) * | 2019-04-12 | 2019-07-23 | 武汉职业技术学院 | A kind of jack device of band torsion function |
-
2012
- 2012-12-18 CN CN 201220701287 patent/CN202964616U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085044A (en) * | 2012-12-18 | 2013-05-08 | 鞍钢集团矿业公司 | Hydraulic pressure support device for preventing steam turbine rotor from bending |
| CN104314617A (en) * | 2014-08-20 | 2015-01-28 | 中国神华能源股份有限公司 | Balancing method for restraining or terminating progressive bending of high and middle pressure rotor of steam turbine |
| CN104314617B (en) * | 2014-08-20 | 2016-02-17 | 中国神华能源股份有限公司 | Suppress or stop the gradual bending balance method of steam turbine High inter case |
| CN105179885A (en) * | 2015-07-18 | 2015-12-23 | 成都生辉电子科技有限公司 | Use method of auxiliary tool of traffic equipment |
| CN105179886A (en) * | 2015-07-18 | 2015-12-23 | 成都生辉电子科技有限公司 | Overhauling method of traffic indicator lamps |
| CN108117014A (en) * | 2017-12-21 | 2018-06-05 | 合肥市春华起重机械有限公司 | A kind of movable up-down auto parts machinery maintenance platform |
| CN108117014B (en) * | 2017-12-21 | 2019-08-30 | 合肥市春华起重机械有限公司 | A kind of movable up-down automobile parts maintenance platform |
| CN110040649A (en) * | 2019-04-12 | 2019-07-23 | 武汉职业技术学院 | A kind of jack device of band torsion function |
| CN110040649B (en) * | 2019-04-12 | 2023-10-13 | 武汉职业技术学院 | Jack device with torsion function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |