CN204551516U - A kind of steam turbine generator spring vibration-isolated foundation - Google Patents
A kind of steam turbine generator spring vibration-isolated foundation Download PDFInfo
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- CN204551516U CN204551516U CN201520228266.1U CN201520228266U CN204551516U CN 204551516 U CN204551516 U CN 204551516U CN 201520228266 U CN201520228266 U CN 201520228266U CN 204551516 U CN204551516 U CN 204551516U
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- 238000010276 construction Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005265 energy consumption Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010205 computational analysis Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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Abstract
本实用新型公开了一种汽轮发电机弹簧隔振基础，包括汽轮发电机组，汽轮发电机基础顶台板、竖向布置的弹簧隔振器、水平布置的弹簧隔振器及弹簧隔振器周围的支承结构。该弹簧隔振基础系统所述的汽轮发电机组坐落在基础顶台板上，弹簧隔振器布置在基础顶台板的底面和侧面；竖向布置的弹簧隔振器可以有效降低基座顶台板的自振频率，使其远离发电机组正常运行时的频率；另外发电机组运行时产生的振动大部分被隔离掉，弹簧以下支承结构仅承受发电机组的静荷载；侧面布置的弹簧隔振器可以有效减小基础顶台板在管道水平推力及地震作用下产生的较大水平位移。
The utility model discloses a spring vibration isolation foundation of a turbogenerator, which comprises a turbogenerator set, a top plate of the turbogenerator foundation, a vertically arranged spring vibration isolator, a horizontally arranged spring vibration isolator and a spring isolator. The supporting structure around the vibrator. The turbogenerator set described in the spring vibration isolation foundation system is located on the top platform of the foundation, and the spring vibration isolators are arranged on the bottom and side surfaces of the top platform of the foundation; the spring vibration isolators arranged vertically can effectively reduce the The natural vibration frequency of the platen keeps it away from the frequency of the generator set during normal operation; in addition, most of the vibration generated during the operation of the generator set is isolated, and the supporting structure below the spring only bears the static load of the generator set; the spring vibration isolation arranged on the side The device can effectively reduce the large horizontal displacement of the foundation roof plate under the horizontal thrust of the pipeline and the earthquake.
Description
Technical field
The utility model belongs to power plant's Foundation of Steam Turbogenerater field, is specifically related to a kind of steam turbine generator spring vibration-isolated foundation.
Background technology
In traditional steam power station, Foundation of Steam Turbogenerater is all adopt common skeleton formula basis substantially.This structural shape through Researching and practicing for many years, and is applied in a large amount of engineering, achieves good effect.
Along with the development of vibration isolation technique, existing part power plant adopts steam turbine generator spring vibration-isolated foundation both at home and abroad.This base form mainly arranges the Vertical Spring vibration isolator of some between Foundation of Steam Turbogenerater top platen and lower support structure, vibration major part when Turbo-generator Set is run is isolated by spring vibration-isolator, is unlikely to have an impact to surrounding structure.
Traditional spring vibration-isolated foundation only arranges vertical vibration isolation device, reduce the horizontal rigidity of top platen supporting construction, thus make the increase of basic top platen horizontal movement under pipe level power and geological process, the collision of top platen and factory building peripheral structure may be produced; And larger horizontal movement affects technique normally to be run.
Utility model content
The utility model object is to overcome the deficiencies in the prior art, provides a kind of steam turbine generator spring vibration-isolated foundation that can reduce basic top platen horizontal movement.
For achieving the above object, the utility model adopts following technical scheme:
A kind of steam turbine generator spring vibration-isolated foundation, comprise Foundation of Steam Turbogenerater top platen, support the supporting construction of Foundation of Steam Turbogenerater top platen, Turbo-generator Set is seated in above Foundation of Steam Turbogenerater top platen; Vertical Spring vibration isolator is furnished with below Foundation of Steam Turbogenerater top platen and between the supporting construction below it; Horizontal spring vibration isolator is furnished with between Foundation of Steam Turbogenerater top platen side and the supporting construction around it.
Further, described Vertical Spring vibration isolator and level are made up of to spring vibration-isolator array steel spiral cylinder spring, comprise energy-consumption damper device in partial spring vibration isolator.
Further, described Foundation of Steam Turbogenerater top platen adopts monolithic reinforced concrete structure.
Further, described supporting construction adopts steel work or reinforced concrete structure.
The utility model is at steam turbine generator top platen lower disposed Vertical Spring vibration isolator, in top platen lateral arrangement level to spring vibration-isolator, form novel steam turbine generator spring foundation, have and arrange simply, the advantage of basic top platen horizontal movement can be reduced, be specially adapted to Areas of High Earthquake Intensity district and the larger situation of pipe level active force.
Compared with conventional art, the utility model has following beneficial effect:
1, the horizontal movement of basic top platen under geological process can effectively be reduced;
2, the horizontal movement of basic top platen under the effect of pipe level power can effectively be reduced;
3, the twisting vibration effect of basic top platen can be reduced.
Accompanying drawing explanation
Layout of spring figure bottom Fig. 1 the utility model steam turbine generator spring vibration-isolated foundation;
Fig. 2 the utility model steam turbine generator spring vibration-isolated foundation top structure arrangement diagram;
Fig. 3 the utility model steam turbine generator spring vibration-isolated foundation vertical structure view;
Fig. 4 the utility model steam turbine generator spring vibration-isolated foundation transversary view;
Wherein: 1 is Turbo-generator Set; 2 is Foundation of Steam Turbogenerater top platen; 3 is Vertical Spring vibration isolator; 4 is horizontal spring vibration isolator; 5 is supporting construction.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
See Fig. 1,2,3 and 4, a kind of steam turbine generator spring vibration-isolated foundation, comprises Turbo-generator Set 1; Foundation of Steam Turbogenerater top platen 2, the Vertical Spring vibration isolator 3 that basic top platen is arranged below, the level of basic top platen side arrangement to spring vibration-isolator 4, supporting construction 5; Wherein basic top platen adopts monolithic reinforced concrete structure.Basis top platen peripheral branch bearing structure can adopt steel work or reinforced concrete structure.
Turbo-generator Set 1 is seated in above Foundation of Steam Turbogenerater top platen 2; Foundation of Steam Turbogenerater top platen 2 is furnished with Vertical Spring vibration isolator 3 below and between the supporting construction 5 below it; Horizontal spring vibration isolator 4 is furnished with between Foundation of Steam Turbogenerater top platen 2 side and the supporting construction around it 5.
The spring vibration-isolator 3 of vertical layout will can effectively reduce the natural frequency of pedestal top platen 2, frequency when making it normally run away from unit 1; The vibration major part produced during unit operation is in addition isolated, and spring only bears the dead load of unit with lower support structure 5; The level of side arrangement can effectively reduce to spring vibration-isolator 4 the larger horizontal movement that basic top platen produces under pipe level thrust and geological process.
Spring vibration-isolator is made up of array steel spiral cylinder spring, comprises energy-consumption damper device in partial spring vibration isolator.
The utility model can under the prerequisite not affecting process pipe layout, by reaching the object of reduction foundation sole plate level to displacement in basic top platen surrounding lateral arrangement level to spring vibration-isolator, thus reduce the width of deformation joint between foundation sole plate and surrounding floor.The utility model also has arranges the advantages such as simple, excellent earthquake resistance, later maintenance cost are low, is specially adapted to the spring vibration-isolated foundation in the situations such as the larger situation of Areas of High Earthquake Intensity district, pipe level active force and the high-order layout of Turbo-generator Set.
Computational analysis shows, this kind of steam turbine generator spring vibration-isolated foundation, due to the spring vibration-isolator in side arrangement, adds the horizontal rigidity of overall top platen, effectively can reduce the horizontal movement of top platen, also reduce the twisting vibration effect of basic top platen;
The utility model has arranges the advantages such as simple, excellent earthquake resistance, later maintenance cost are low, is specially adapted to the spring vibration-isolated foundation in the situations such as the larger situation of Areas of High Earthquake Intensity district, horizontal pipe load and the high-order layout of steam turbine.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model; can not assert that detailed description of the invention of the present utility model is only limitted to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to the utility model by submitted to claims determination scope of patent protection.
Claims (4)
1. a steam turbine generator spring vibration-isolated foundation, it is characterized in that: comprise Foundation of Steam Turbogenerater top platen (2), support the supporting construction (5) of Foundation of Steam Turbogenerater top platen (2), Turbo-generator Set (1) is seated in above Foundation of Steam Turbogenerater top platen (2); Foundation of Steam Turbogenerater top platen (2) is furnished with Vertical Spring vibration isolator (3) below and between the supporting construction (5) below it; Horizontal spring vibration isolator (4) is furnished with between Foundation of Steam Turbogenerater top platen (2) side and the supporting construction around it (5).
2. a kind of steam turbine generator spring vibration-isolated foundation according to claim 1, it is characterized in that: described Vertical Spring vibration isolator (3) and level are made up of to spring vibration-isolator (4) array steel spiral cylinder spring, comprise energy-consumption damper device in partial spring vibration isolator.
3. a kind of steam turbine generator spring vibration-isolated foundation according to claim 1, is characterized in that: described Foundation of Steam Turbogenerater top platen (2) adopts monolithic reinforced concrete structure.
4. a kind of steam turbine generator spring vibration-isolated foundation according to claim 1, is characterized in that: described supporting construction (5) adopts steel work or reinforced concrete structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520228266.1U CN204551516U (en) | 2015-04-15 | 2015-04-15 | A kind of steam turbine generator spring vibration-isolated foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520228266.1U CN204551516U (en) | 2015-04-15 | 2015-04-15 | A kind of steam turbine generator spring vibration-isolated foundation |
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| Publication Number | Publication Date |
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| CN204551516U true CN204551516U (en) | 2015-08-12 |
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| CN201520228266.1U Expired - Lifetime CN204551516U (en) | 2015-04-15 | 2015-04-15 | A kind of steam turbine generator spring vibration-isolated foundation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697937A (en) * | 2016-04-28 | 2016-06-22 | 贵州电力设计研究院 | Transforming method for frame-type foundation of steam turbine generator unit |
| CN106525394A (en) * | 2016-09-23 | 2017-03-22 | 上海发电设备成套设计研究院 | Multi-rotor system vibration characteristic experiment device included in spring base |
| CN108222055A (en) * | 2018-02-28 | 2018-06-29 | 广东天安项目管理有限公司 | A kind of Foundation of Steam Turbogenerater and main building integral system |
| CN108397645A (en) * | 2017-02-08 | 2018-08-14 | 中国电力工程顾问集团华东电力设计院有限公司 | A kind of steam turbine generator spring shock-proof basis |
| CN109295996A (en) * | 2018-11-05 | 2019-02-01 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of combined type steam turbine generator spring foundation |
| CN109795945A (en) * | 2018-12-24 | 2019-05-24 | 中国电建集团山东电力建设第一工程有限公司 | A kind of combined hanging method of spring vibration-isolator and steel structure platform |
-
2015
- 2015-04-15 CN CN201520228266.1U patent/CN204551516U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697937A (en) * | 2016-04-28 | 2016-06-22 | 贵州电力设计研究院 | Transforming method for frame-type foundation of steam turbine generator unit |
| CN105697937B (en) * | 2016-04-28 | 2017-10-31 | 贵州电力设计研究院 | A kind of Turbo-generator Set FRAME FOUNDATION remodeling method |
| CN106525394A (en) * | 2016-09-23 | 2017-03-22 | 上海发电设备成套设计研究院 | Multi-rotor system vibration characteristic experiment device included in spring base |
| CN108397645A (en) * | 2017-02-08 | 2018-08-14 | 中国电力工程顾问集团华东电力设计院有限公司 | A kind of steam turbine generator spring shock-proof basis |
| CN108397645B (en) * | 2017-02-08 | 2024-06-04 | 中国电力工程顾问集团华东电力设计院有限公司 | Spring shock insulation foundation of turbo generator |
| CN108222055A (en) * | 2018-02-28 | 2018-06-29 | 广东天安项目管理有限公司 | A kind of Foundation of Steam Turbogenerater and main building integral system |
| CN109295996A (en) * | 2018-11-05 | 2019-02-01 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of combined type steam turbine generator spring foundation |
| CN109795945A (en) * | 2018-12-24 | 2019-05-24 | 中国电建集团山东电力建设第一工程有限公司 | A kind of combined hanging method of spring vibration-isolator and steel structure platform |
| CN109795945B (en) * | 2018-12-24 | 2020-09-01 | 中国电建集团山东电力建设第一工程有限公司 | Combined hoisting method for spring vibration isolator and steel structure platform |
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