CN105822365A - Adjustable shaft journal for centering of two rotors and three supports - Google Patents
Adjustable shaft journal for centering of two rotors and three supports Download PDFInfo
- Publication number
- CN105822365A CN105822365A CN201610243557.7A CN201610243557A CN105822365A CN 105822365 A CN105822365 A CN 105822365A CN 201610243557 A CN201610243557 A CN 201610243557A CN 105822365 A CN105822365 A CN 105822365A
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- China
- Prior art keywords
- support
- bearing
- adjustable
- rotors
- sliding shoe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention relates to an adjustable shaft journal for centering of two rotors and three supports. The adjustable shaft journal comprises a fixed rack, a sliding block and a shaft support, wherein the sliding block is arranged on the fixed rack; the shaft support is fixed on the sliding block; a sliding track is arranged on the fixed rack; a through hole is formed in the sliding block; an adjusting screw penetrates through the through hole; outer threads are formed in a position, which corresponds to the sliding block, of the adjusting screw at least; inner threads which are matched with the outer threads are formed in the through hole; and the shaft support comprises a first supporting seat, a second supporting seat, a first supporting table and a second supporting table, the first supporting seat and the second supporting seat are arranged on the sliding block, the first supporting table is hinged to the first supporting seat, and the second supporting table is hinged to the second supporting seat.
Description
Technical field
The present invention relates to a kind of two rotors three and support false watt of the adjustable that alignment uses.
Background technology
Manufacturing cost and maintenance workload, for reducing axle system length, are reduced in modern Design of Steam Turbine field, and the redesign stage is frequently used two rotor three supporting constructions.This supporting construction is the most extremely complex to the technological requirement of rotor alignment, maker often provides fixed vacation watt as temporary support during single support rotor alignment for this situation, and this structure exists the problems such as the scope of application is little, it is inconvenient to install, adjustment difficulty.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide one root diameter scope easy to use, applicable big, and two rotors three of convenient scene adjustment rotor-position support false watt of the adjustable of alignment use.
The present invention two rotor three supports false watt of the adjustable that alignment uses, including: fixed mount, the sliding shoe being arranged on described fixed mount and be fixed on the bracing strut on described sliding shoe；
Wherein, described fixed mount is provided with slide rail, described sliding shoe is provided with through hole on described sliding shoe, adjust screw rod through described through hole, on described adjustment screw rod, at least corresponding slide position is provided with external screw thread, being provided with the female thread coordinated with described external screw thread in described through hole, described sliding shoe is reciprocatingly slided on described slide rail by the cooperation of described internal and external screw thread；
Described bracing strut includes the first bearing, the second bearing being arranged on described sliding shoe, and first hinged with described first bearing supports the second support platform that platform is hinged with described second bearing.
Further, the rod groove that described first supports platform, the first support platform all includes column spinner, is arranged on described column spinner, being provided with two in described roller groove and support roller, two axis parallels supporting roller are arranged and one of them axial line supporting roller is higher than another axial line supporting roller.
Further, described first bearing, the second seat structure are identical, and axial symmetry is arranged, and described the first support platform, the second support table structure are identical.
Preferably, the 5-20% of a diameter of root diameter of described support roller.
Further, also include being connected to the lowering or hoisting gear below described fixed mount.
Preferably, described lowering or hoisting gear is hydraulic jack.
Further, described adjustment screw rod be arranged on described fixing between on, by described fixing between support.
Especially, described fixing between be provided with bearing, described bearing holder (housing, cover) is located on described adjustment screw rod, the outer ring of described bearing be fixed on described fixing between on, the inner ring of described bearing is fixed with described adjustment screw rod and is connected.
Further, described in be provided with slide rail and be provided with sliding tray, the bottom of described sliding shoe is provided with ball, and described ball is arranged in described sliding tray.
Especially, described fixing between be provided with centigrade system.
By such scheme, the present invention at least has the advantage that
1, the present invention two rotor three supports false watt of the adjustable that alignment uses, fixed mount, sliding shoe, bracing strut, adjustment screw rod and the first bearing, the second bearing be demountable structure can field stripping, assembling, carry out after being completed in little working space in the case of not lifting rotor and rotor contact support；After having worked, after all parts dismounting is widget, go out operation field.
2, the present invention two rotor three supports false watt of the adjustable that alignment uses, first bearing, the second bearing support platform respectively with first, the second support table-hinges connects setting, when supporting rotor, first bearing, the second bearing are close to each other to be supported with rotor contact, first bearing, the rotary structure of the second bearing, the rotor of different-diameter specification can be used, simultaneously when the first bearing, the second seat supports are not in place when, can carry out rotating regulation to the first bearing, the second bearing, convenient support regulates.
3, the present invention two rotor three supports false watt of the adjustable that alignment uses, and sliding shoe can adjust rotor lateral attitude in the enterprising line slip of fixed mount by laterally adjusting screw rod.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention two rotor three supports the false watt embodiment 1 of adjustable that alignment uses；
Fig. 2 is the structural representation that the present invention two rotor three supports the false watt embodiment 2 of adjustable that alignment uses；
Fig. 3 is the structural representation that the present invention two rotor three supports the false watt embodiment 3 of adjustable that alignment uses.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
Embodiment 1
As it is shown in figure 1, the present embodiment two rotor three supports false watt of the adjustable that alignment uses, including: fixed mount 1, the sliding shoe 3 being arranged on described fixed mount and be fixed on the bracing strut on described sliding shoe.
Wherein, described fixed mount is provided with slide rail, described sliding shoe is provided with through hole on described sliding shoe, adjust screw rod 4 through described through hole, on described adjustment screw rod, at least corresponding slide position is provided with external screw thread, being provided with the female thread coordinated with described external screw thread in described through hole, described sliding shoe is reciprocatingly slided on described slide rail by the cooperation of described internal and external screw thread.
Described bracing strut includes first bearing the 21, second bearing 22 being arranged on described sliding shoe, and first hinged with described first bearing supports the second support platform that platform is hinged with described second bearing.
In the present embodiment, in use, the first described bearing and the second bearing are close to each other, first supports seat, second supports seat acts on support rotor 5 jointly, first supports seat, second articulated structure supporting seat makes the first support seat, second supports seat can use the rotor of multiple diameter specification, when first support seat and/or second support seat to the support of rotor not in place when, the first described bearing and the second bearing can support platform rotating around first, second supports platform rotates adjustment holding state, the most described sliding shoe also is able in the enterprising line slip of guide rail, it also is able to adjust the position of rotor, facilitate rotor alignment.
Embodiment 2
As in figure 2 it is shown, the present embodiment two rotor three supports false watt of the adjustable that alignment uses, including: fixed mount 1, the sliding shoe 3 being arranged on described fixed mount and be fixed on the bracing strut on described sliding shoe.
Wherein, described fixed mount is provided with slide rail, described sliding shoe is provided with through hole on described sliding shoe, adjust screw rod 4 through described through hole, on described adjustment screw rod, at least corresponding slide position is provided with external screw thread, being provided with the female thread coordinated with described external screw thread in described through hole, described sliding shoe is reciprocatingly slided on described slide rail by the cooperation of described internal and external screw thread.
Described bracing strut includes first bearing the 21, second bearing 22 being arranged on described sliding shoe, and first hinged with described first bearing supports the second support platform that platform is hinged with described second bearing.Described first support platform, first support platform all include column spinner 211,221, the rod groove 212,222 that is arranged on described column spinner, being provided with two in described roller groove and support roller 213,223, two axis parallels supporting roller are arranged and one of them axial line supporting roller is higher than another axial line supporting roller.
In the present embodiment, described first bearing, the second seat structure are identical, and axial symmetry is arranged, and described the first support platform, the second support table structure are identical.
The present embodiment, possesses all advantages of embodiment 1, do not repeat them here, additionally, in the present embodiment, described first bearing, the second seat structure are identical, and axial symmetry is arranged, described the first support platform, the second support table structure are identical, and the design of identical symmetrical structure makes whole device can have a good balance supporting rotor when.
Additionally, in the present embodiment, described first support platform, second support the roller groove of platform in be provided with two rotatable support rollers, two support roller and the tangent support of rotor, two-point contact forms stable supporting construction, and it is rotatable to support roller, facilitates rotor to rotate rotor rotates when, it is possible to reduce friction.
Embodiment 3
The present embodiment two rotor three supports false watt of the adjustable that alignment uses, on the basis of embodiment 2, in order to facilitate false watt of support to rotor of adjustable further, described fixing between lower section connect and have lowering or hoisting gear, described lowering or hoisting gear can be arbitrary lowering or hoisting gear, it is contemplated that the stability of lowering or hoisting gear, it is preferable that described lowering or hoisting gear is hydraulic jack.
On the basis of the present embodiment possesses all advantages of embodiment 2, described fixed mount bottom is provided with hydraulic jack, the position of the false watt vertical direction of adjustable.
In the various embodiments described above, in order to enable the rotation that adjustment screw rod is lighter, reduce resistance when adjusting screw rod promotion slide block movement, described fixing between be provided with bearing, described bearing holder (housing, cover) is located on described adjustment screw rod, the outer ring of described bearing be fixed on described fixing between on, the inner ring of described bearing is fixed with described adjustment screw rod and is connected.
Further, described in be provided with slide rail and be provided with sliding tray, the bottom of described sliding shoe is provided with ball, and described ball is arranged in described sliding tray.
In the various embodiments described above, owing to fast adjustment of sliding is that fine motion adjusts, determine that the accuracy of adjustment, described support are provided with centigrade system for convenience.
In the various embodiments described above, in order to make to be formed between two support rollers and rotor more stable triangular support configurations, the 5-20% of a diameter of root diameter of described support roller.
The present invention two rotor three supports false watt of the adjustable that alignment uses, package unit bracing frame, slide block, bracing frame and hydraulic jack all can field stripping, assemblings, after being completed in little working space in the case of not lifting axle, utilize hydraulic jack that two stands contacts support with axle；After having worked, after all parts dismounting is widget, remove operation field.
The above is only the preferred embodiment of the present invention; it is not limited to the present invention; should be understood that; for those skilled in the art; on the premise of without departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (10)
1. a rotor three supports false watt of the adjustable that alignment uses, it is characterised in that including: fixed mount, the sliding shoe being arranged on described fixed mount and be fixed on the bracing strut on described sliding shoe；
Wherein, described fixed mount is provided with slide rail, described sliding shoe is provided with through hole on described sliding shoe, adjust screw rod through described through hole, on described adjustment screw rod, at least corresponding slide position is provided with external screw thread, being provided with the female thread coordinated with described external screw thread in described through hole, described sliding shoe is reciprocatingly slided on described slide rail by the cooperation of described internal and external screw thread；
Described bracing strut includes the first bearing, the second bearing being arranged on described sliding shoe, and first hinged with described first bearing supports the second support platform that platform is hinged with described second bearing.
Two rotors three the most according to claim 1 support false watt of the adjustable that alignment uses, it is characterized in that, the rod groove that described first supports platform, the first support platform all includes column spinner, is arranged on described column spinner, being provided with two in described roller groove and support roller, two axis parallels supporting roller are arranged and one of them axial line supporting roller is higher than another axial line supporting roller.
Two rotors three the most according to claim 2 support false watt of the adjustable that alignment uses, it is characterised in that described first bearing, the second seat structure are identical, and axial symmetry is arranged, and described the first support platform, the second support table structure are identical.
Two rotors three the most according to claim 2 support false watt of the adjustable that alignment uses, it is characterised in that the 5-20% of a diameter of root diameter of described support roller.
Two rotors three the most according to claim 1 support false watt of the adjustable that alignment uses, it is characterised in that also include being connected to the lowering or hoisting gear below described fixed mount.
Two rotors three the most according to claim 5 support false watt of the adjustable that alignment uses, it is characterised in that described lowering or hoisting gear is hydraulic jack.
Two rotors three the most according to claim 1 support false watt of the adjustable that alignment uses, it is characterised in that described adjustment screw rod be arranged on described fixing between on, by described fixing between support.
Two rotors three the most according to claim 7 support false watt of the adjustable that alignment uses, it is characterized in that, described fixing between be provided with bearing, described bearing holder (housing, cover) is located on described adjustment screw rod, the outer ring of described bearing be fixed on described fixing between on, the inner ring of described bearing is fixed with described adjustment screw rod and is connected.
Two rotors three the most according to claim 1 support false watt of the adjustable that alignment uses, it is characterised in that described in be provided with slide rail and be provided with sliding tray, the bottom of described sliding shoe is provided with ball, and described ball is arranged in described sliding tray.
Two rotors three the most according to claim 1 support false watt of the adjustable that alignment uses, it is characterised in that described fixing between be provided with centigrade system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610243557.7A CN105822365B (en) | 2016-04-18 | 2016-04-18 | False watt of the adjustable that the support alignment of two rotors three is used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610243557.7A CN105822365B (en) | 2016-04-18 | 2016-04-18 | False watt of the adjustable that the support alignment of two rotors three is used |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105822365A true CN105822365A (en) | 2016-08-03 |
| CN105822365B CN105822365B (en) | 2017-08-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610243557.7A Expired - Fee Related CN105822365B (en) | 2016-04-18 | 2016-04-18 | False watt of the adjustable that the support alignment of two rotors three is used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105822365B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150231A (en) * | 2018-01-31 | 2018-06-12 | 华电电力科学研究院有限公司 | Middle false watt and alignment method are looked in a kind of installation |
| CN108612568A (en) * | 2018-04-25 | 2018-10-02 | 浙江辽汽汽轮机有限公司 | A kind of testing device of steam turbine |
| WO2021073559A1 (en) * | 2019-10-18 | 2021-04-22 | 中国电建集团山东电力建设第一工程有限公司 | Generator rotor balanced support apparatus, system and method |
| CN113756889A (en) * | 2021-08-16 | 2021-12-07 | 济宁华源热电有限公司 | Thermal power plant steam turbine maintenance device and maintenance method thereof |
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| US4113324A (en) * | 1975-11-18 | 1978-09-12 | Kraftwerk Union Aktiengesellschaft | Auxiliary bearing for determining radial and axial play of turbine shafts |
| CN201353762Y (en) * | 2009-02-11 | 2009-12-02 | 中国石油天然气股份有限公司 | Centrifugal compressor rotor bracket capable of turning |
| CN201900128U (en) * | 2010-11-23 | 2011-07-20 | 厦门大禾众邦机械有限公司 | Specification changing component of metal former |
| CN202174524U (en) * | 2011-07-18 | 2012-03-28 | 秦皇岛爱迪电力设备制造厂 | Special support for overhauling rotors of turbines |
| CN202592100U (en) * | 2012-04-26 | 2012-12-12 | 东方电气集团东方汽轮机有限公司 | Rotor support of large-scale rotating equipment |
| CN206035549U (en) * | 2016-04-18 | 2017-03-22 | 大唐东北电力试验研究所有限公司 | Two rotors no. 3 support false tile of adjustable that alignment was used |
-
2016
- 2016-04-18 CN CN201610243557.7A patent/CN105822365B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4113324A (en) * | 1975-11-18 | 1978-09-12 | Kraftwerk Union Aktiengesellschaft | Auxiliary bearing for determining radial and axial play of turbine shafts |
| CN201353762Y (en) * | 2009-02-11 | 2009-12-02 | 中国石油天然气股份有限公司 | Centrifugal compressor rotor bracket capable of turning |
| CN201900128U (en) * | 2010-11-23 | 2011-07-20 | 厦门大禾众邦机械有限公司 | Specification changing component of metal former |
| CN202174524U (en) * | 2011-07-18 | 2012-03-28 | 秦皇岛爱迪电力设备制造厂 | Special support for overhauling rotors of turbines |
| CN202592100U (en) * | 2012-04-26 | 2012-12-12 | 东方电气集团东方汽轮机有限公司 | Rotor support of large-scale rotating equipment |
| CN206035549U (en) * | 2016-04-18 | 2017-03-22 | 大唐东北电力试验研究所有限公司 | Two rotors no. 3 support false tile of adjustable that alignment was used |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150231A (en) * | 2018-01-31 | 2018-06-12 | 华电电力科学研究院有限公司 | Middle false watt and alignment method are looked in a kind of installation |
| CN108612568A (en) * | 2018-04-25 | 2018-10-02 | 浙江辽汽汽轮机有限公司 | A kind of testing device of steam turbine |
| CN108612568B (en) * | 2018-04-25 | 2020-07-17 | 浙江辽汽汽轮机有限公司 | Test run device of steam turbine |
| WO2021073559A1 (en) * | 2019-10-18 | 2021-04-22 | 中国电建集团山东电力建设第一工程有限公司 | Generator rotor balanced support apparatus, system and method |
| CN113756889A (en) * | 2021-08-16 | 2021-12-07 | 济宁华源热电有限公司 | Thermal power plant steam turbine maintenance device and maintenance method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105822365B (en) | 2017-08-11 |
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Address after: No. 3195, Jilin high tech Zone Wei Shan Road, Changchun, Jilin Patentee after: Datang northeast electric power test and Research Institute Co., Ltd. Address before: No. 3195, Jilin high tech Zone Wei Shan Road, Changchun, Jilin Patentee before: DATANG NORTHEAST ELECTRIC POWER TEST RESEARCH INSTITUTE CO., LTD. |
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| 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: 20170811 Termination date: 20190418 |