CN202321316U - Coal hopper supporting device - Google Patents
Coal hopper supporting device Download PDFInfo
- Publication number
- CN202321316U CN202321316U CN2011204297610U CN201120429761U CN202321316U CN 202321316 U CN202321316 U CN 202321316U CN 2011204297610 U CN2011204297610 U CN 2011204297610U CN 201120429761 U CN201120429761 U CN 201120429761U CN 202321316 U CN202321316 U CN 202321316U
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- CN
- China
- Prior art keywords
- coal bunker
- coal
- insulation layer
- shock insulation
- bearing
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- 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.)
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Abstract
The utility model provides a coal hopper (coal cabin) supporting device. The coal hopper support device provided by the utility model comprises a coal hopper support seat, a coal hopper supporting beam and a vibration isolation layer, wherein the coal hopper support seat is connected with a coal hopper and is used for bearing the weight of a coal hopper, the coal hopper supporting beam is connected with the coal hopper support seat and is fixedly arranged on a coal cabin chamber framework, and the vibration isolation layer is arranged between the coal hopper support beam and the coal hopper support seat and can realize the reset effect. The coal hopper support device has the advantages that the coal hopper (coal cabin) supporting structure is optimized, the horizontal earthquake force generated by storage coal and the coal hopper under the earthquake effect is reduced, and the damage to the coal hopper caused by the earthquake force is prevented.
Description
Technical field
The utility model relates to the large-scale thermal power technical field, particularly a kind of coal bunker (coal bunker) bearing set.
Background technology
Now general large-size thermal power plant coal bunker comprise coal weight weigh the hundreds of ton on kiloton; Coal under the earthquake operating mode in coal bunker and the coal bunker can produce bigger horizontal force; Bigger at high earthquake intensity area earthquake horizontal force, will bring very big difficulty to the aseismic design of coal bunker self and bunker bay structure like this.On the one hand, the bunker bay structure must be provided with bigger pillar and beam so that bear this horizontal force, and on the other hand, coal bunker self needs enough modes such as wall thickness and bears this seismic force.Under extreme case,, when coal bunker is very heavy, the bunker bay structural seismic can occurs and calculate and to pass through if earthquake intensity is very big.
Therefore, this area presses for to develop and a kind ofly can be arranged on the high area of earthquake intensity, has novel coal bunker bearing set shockproof, isolating affection.
Summary of the invention
The purpose of the utility model is to provide a kind of coal bunker bearing set, this installation optimization the coal bunker supporting structure, reduced the horizontal seismic force that coal bunker and coal storage produce under geological process, prevented the destruction of earthquake to coal bunker.
The coal bunker bearing set that the utility model provides comprises:
The coal bunker bearing, said coal bunker bearing is connected with coal bunker, is used to carry the weight of coal bunker;
The coal bunker support beam, said coal bunker support beam is fixed on the bunker bay framework;
Shock insulation layer, said shock insulation layer are arranged between coal bunker support beam and the coal bunker bearing, and said shock insulation layer can reset.
In another preference, said shock insulation layer is selected from following arbitrary or combination: rubber pad, spring or damper.
In another preference, said coal bunker bearing is shelved on the said coal bunker support beam through the shock insulation layer.
In another preference, said coal bunker bearing and said shock insulation layer are through bolt or be welded to connect.
In another preference, the shock insulation layer is 4-8.
In another preference, the bearing capacity of said shock insulation layer is 100~1000 tons.
In another preference, the thickness of said shock insulation layer is 200~1000mm.
In another preference, also be provided with the shock insulation layer on the said coal bunker support beam.
In another preference, the cross section of said coal bunker support beam is H type, box or rectangle.
Preferably, the coal bunker support beam is formed from steel, and the cross section is H type or box, and the coal bunker support beam is processed by ferro-concrete, and the cross section is a rectangle.
In another preference, said coal bunker bearing is a rectangle or approximate rectangular.
In another preference, said coal bunker support beam is processed by steel or ferro-concrete.
In another preference, said coal bunker is steel coal hopper or ferro-concrete coal bunker.
In should be understood that in the utility model scope, above-mentioned each technical characterictic of the utility model and hereinafter can mutual combination between specifically described each technical characterictic in (like embodiment), thus constitute new or optimized technical scheme.As space is limited, this tired no longer one by one stating.
Description of drawings
Fig. 1 is the structural representation of the utility model coal bunker bearing set one preferred implementation.
The specific embodiment
The contriver is through go deep into and extensive studies for a long time; Coal in the coal bunker and coal bunker can produce bigger horizontal force under the earthquake operating mode from solving; Vertical power and horizontal force that coal bunker produces all pass to the coal bunker support beam through bearing; Act on the structure that reaches coal bunker self on the bunker bay framework, the aseismic design of coal bunker self and bunker bay structure is brought very big difficulty.The utility model is optimized the coal bunker supporting structure, has reduced the horizontal seismic force that coal bunker and coal storage produce under geological process, has prevented the destruction of earthquake to coal bunker, makes coal bunker need not pass through particular design and promptly can be applicable to the high earthquake intensity of earthquake area.Accomplished the utility model on this basis.
Term
Coal bunker (coal bunker): the end that the former coal bunker of large-size thermal power plant is positioned at coal handling system links to each other with the feeder of coal mill, is responsible for continuous coal supply.Coal bunker top is the steel structure silo, and the bottom is turbination or hyperbola steel funnel.
The coal bunker bearing: the part of coal bunker, the weight of bearing all coal bunkers and coal storage, and link to each other with the coal bunker supporting structure is given the weight transmitting of coal bunker and coal storage on the coal bunker supporting structure such as bunker bay beam column.
Shock insulation layer: be provided with between construction of structures basis, bottom or bearing bottom section and the topside and form shock insulation layer with integral reset function by parts such as rubber earthquake isolation support and damping arrangements; To prolong the natural vibration period of total system; Reduce the horizontal earthquake action of input topside, reach the shockproof requirement of expection.
Bunker bay: thermal powerplant is placed the building of coal bunker or equipment such as coal store, coal mill.
Only if definition separately, employed all specialties are identical with the meaning that scientific words and one skilled in the art are familiar with in the literary composition.In addition, any with the institute similar content of putting down in writing or the equalization method and material all can be applicable in the utility model method.The usefulness that preferable implementation method described in the literary composition and material only present a demonstration.
Below will combine accompanying drawing that the preferred embodiments of the utility model is elaborated, so that clearer purpose, characteristics and the advantage of understanding the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction the utility model scope.
Embodiment
The structural representation of the utility model coal bunker bearing set one preferred implementation, as shown in Figure 1.
This coal bunker bearing set comprises:
Coal bunker bearing 1, coal bunker bearing 1 is connected with coal bunker 2, is used to carry the weight of coal bunker 2;
Coal bunker support beam 3, coal bunker support beam 3 are fixed on the bunker bay framework (not shown);
Said shock insulation layer 4 is selected from following arbitrary or combination: rubber pad, spring or damper.Rubber pad is simple in structure, and is easy for installation, and cooperation requires low, can reach the effect of bumper and absorbing shock.In some other embodiment of the utility model, also can adopt spring, damper etc. as the shock insulation layer.Spring has more selectivity, can select the parameter of spring according to different regions to the requirement of shock resistance.Damper also can reach identical isolating affection, and the power that can also be born to the coal bunker support more accurately simultaneously calculates the stroke of coal bunker.
Said coal bunker bearing 1 is shelved on the said coal bunker support beam 3 through shock insulation layer 4.Owing to adopt the mode of shelving between shock insulation layer 4 and the coal bunker support beam 3, promptly fix between shock insulation layer 4 and the coal bunker support beam 3.When seismic force effects, have more displacement space between shock insulation layer 4 and the coal bunker support beam 3, can better cushion seismic force, certainly, will limit this moment to the shift length of coal bunker 2, in order to avoid destroy the safety of bunker bay single-piece.In addition, be appreciated that shock insulation layer 4 also can captive joint with coal bunker support beam 3, can adopt the mode of bolt or welding to fix.
Said coal bunker bearing 1 and said shock insulation layer 4 are through bolt or be welded to connect; In large-scale thermal electric generation occasion; Bolt has higher reliability and safety with welding; Connection than other modes has higher load-carrying capacity, reaches in coal bunker weight under the situation of the supreme kiloton of hundreds of ton, need take the connection mode of safety and reliability.In some other embodiment of the utility model, can also adopt connection modes such as nut.
Also be provided with shock insulation layer 4 on the said coal bunker support beam 3.The structure of double-deck shock insulation layer 4 has better damping performance with respect to individual layer shock insulation layer 4 structure; Horizontal force is through the double buffering of shock insulation layer 4; Can horizontal impact be reduced to below 1/4 of original earthquake horizontal force; The acceleration/accel that earthquake is produced is able to reduce greatly, thereby has improved damping effect greatly.Simultaneously, also be provided with the natural vibration period that shock insulation layer 4 can prolong the total system on the coal bunker support beam 3, the horizontal seismic force of total self also can reduce accordingly, reaches better shockproof requirement.
The bearing capacity of shock insulation layer 4 is 100~1000 tons, and the thickness of shock insulation layer 4 is 200~1000mm.Adopt the shock insulation layer 4 of this parameter to come damping, through the antidetonation simulated experiment, can damping more than 70%, can be applied in 9 grades of earthquake areas.
Said coal bunker 2, coal bunker support beam 3 are processed by steel or ferro-concrete.The cross section of said coal bunker support beam 3 is that H type, box or rectangle, coal bunker bearing 1 are rectangle.Preferably, coal bunker support beam 3 is formed from steel, and the cross section is H type or box, and coal bunker support beam 3 is processed by ferro-concrete, and the cross section is a rectangle.H type, box and rectangle have advantages of high bearing capacity, and generally speaking, the coal bunker support beam cross-section that steel is processed is H type or box, and the coal bunker support beam cross-section that ferro-concrete is processed is a rectangle.In addition, be appreciated that in some other embodiment of the utility model, also can adopt coal bunker bearing 1, coal bunker 2 and coal bunker support beam 3 trapezoidal, O type prismatic shapes.
The advantage of the utility model is:
1. can reduce the horizontal seismic force that coal bunker and coal storage produce under geological process, reach the effect of shock insulation.
2. can prevent the destruction (like the steel coal hopper flexing, ferro-concrete coal bunker cracking etc.) of coal bunker self structure.
3. can adjust the natural vibration period of whole bunker bay structure, thereby reduce the seismic force of whole bunker bay.
The above-mentioned characteristic that the utility model is mentioned, or the characteristic that embodiment mentions can combination in any.All characteristics that this case specification sheets is disclosed can with any composition forms and usefulness, each characteristic that is disclosed in the specification sheets can anyly provide the alternative characteristics of identical, impartial or similar purpose to replace.Therefore removing has special version, the characteristic that is disclosed to be merely the general example of equalization or similar features.
All documents in that the utility model is mentioned are all quoted as a reference in this application, are just quoted such as a reference separately as each piece document.Should be understood that in addition after having read the above-mentioned teachings of the utility model, those skilled in the art can do various changes or modification to the utility model, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (10)
1. a coal bunker bearing set is characterized in that, comprising:
The coal bunker bearing, said coal bunker bearing is connected with coal bunker, is used to carry the weight of coal bunker;
The coal bunker support beam, said coal bunker support beam is fixed on the bunker bay framework;
Shock insulation layer, said shock insulation layer are arranged between coal bunker support beam and the coal bunker bearing, and said shock insulation layer can reset.
2. coal bunker bearing set according to claim 1 is characterized in that, said shock insulation layer is selected from following arbitrary or combination: rubber pad, spring or damper.
3. coal bunker bearing set according to claim 1 is characterized in that, said coal bunker bearing is shelved on the said coal bunker support beam through the shock insulation layer.
4. coal bunker bearing set according to claim 1 is characterized in that, said coal bunker bearing and said shock insulation layer are through bolt or be welded to connect.
5. coal bunker bearing set according to claim 1 is characterized in that, said shock insulation layer is 4-8.
6. coal bunker bearing set according to claim 1 is characterized in that, also is provided with the shock insulation layer on the said coal bunker support beam.
7. coal bunker bearing set according to claim 1 is characterized in that, the bearing capacity of said shock insulation layer is 100~1000 tons.
8. coal bunker bearing set according to claim 1 is characterized in that, the thickness of said shock insulation layer is 200~1000mm.
9. coal bunker bearing set according to claim 1 is characterized in that, the cross section of said coal bunker support beam is H type, box or rectangle; Said coal bunker bearing is a rectangle.
10. coal bunker bearing set according to claim 1 is characterized in that, said coal bunker support beam is processed by steel or ferro-concrete.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011204297610U CN202321316U (en) | 2011-11-03 | 2011-11-03 | Coal hopper supporting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011204297610U CN202321316U (en) | 2011-11-03 | 2011-11-03 | Coal hopper supporting device |
Publications (1)
Publication Number | Publication Date |
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CN202321316U true CN202321316U (en) | 2012-07-11 |
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Family Applications (1)
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CN2011204297610U Expired - Lifetime CN202321316U (en) | 2011-11-03 | 2011-11-03 | Coal hopper supporting device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102381524A (en) * | 2011-11-03 | 2012-03-21 | 中国电力工程顾问集团华东电力设计院 | Coal hopper bearing device |
CN103088906A (en) * | 2013-01-24 | 2013-05-08 | 中国电力工程顾问集团西北电力设计院 | Bearing type coal bucket shock adsorption structure for improving anti-seismic property of heat-engine plant main power house |
-
2011
- 2011-11-03 CN CN2011204297610U patent/CN202321316U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102381524A (en) * | 2011-11-03 | 2012-03-21 | 中国电力工程顾问集团华东电力设计院 | Coal hopper bearing device |
CN102381524B (en) * | 2011-11-03 | 2013-12-25 | 中国电力工程顾问集团华东电力设计院 | Coal hopper bearing device |
CN103088906A (en) * | 2013-01-24 | 2013-05-08 | 中国电力工程顾问集团西北电力设计院 | Bearing type coal bucket shock adsorption structure for improving anti-seismic property of heat-engine plant main power house |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 200063 Wuning Road, Shanghai, No. 409, No. Patentee after: Co., Ltd of Huabei Power Design Inst., China Power Engineering Consulting Group Address before: 200063 Wuning Road, Shanghai, No. 409, No. Patentee before: Huabei Power Design Inst., China Power Engineering Consulting Group |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20120711 |