CN205560795U - Truss -like supporting platform of chimney inner tube - Google Patents

Truss -like supporting platform of chimney inner tube Download PDF

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Publication number
CN205560795U
CN205560795U CN201620133522.3U CN201620133522U CN205560795U CN 205560795 U CN205560795 U CN 205560795U CN 201620133522 U CN201620133522 U CN 201620133522U CN 205560795 U CN205560795 U CN 205560795U
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CN
China
Prior art keywords
support
suspention
inner core
framework
urceolus
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
Application number
CN201620133522.3U
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Chinese (zh)
Inventor
李�杰
陶林惠
尹春明
梁金放
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China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
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China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
Priority date (The priority date 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 date listed.)
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Priority to CN201620133522.3U priority Critical patent/CN205560795U/en
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Publication of CN205560795U publication Critical patent/CN205560795U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a truss -like supporting platform of chimney inner tube, chimney include the urceolus and hang at least one inner tube in the urceolus. The utility model discloses a be located urceolus and relative two first trusss that set up, two first trusss all include first upper chord and first chord member, first upper chord supports in the inner wall of urceolus, it suspends the roof beam in midair to be equipped with at least two between two first upper chords, it encloses to close and forms that at least one suspends the framework in midair with the periphery complex of inner tube to suspend roof beam and first upper chord in midair, be equipped with two at least spinal branch supporting beam between two first chord members, supporting beam and first chord member enclose close form with the cooperation of inner tube periphery, with the support framework of suspending the framework one -to -one in midair, the inner tube hoists in suspending the framework in midair, the periphery of inner tube still is equipped with a plurality of support that supports on supporting the framework. The utility model discloses a whole of inner tube hangs, has reduced the connected node of inner tube installation, be convenient for operation and maintenance.

Description

The Formwork Support for External platform of chimney internal cylinder
Technical field
The utility model relates to the Formwork Support for External of power plant's fume extractor technical field, especially chimney internal cylinder puts down Platform.
Background technology
Suspended steel inner barrel chimney because of its good economy and stress performance, the most progressively obtain numerous owners and The favor of designing unit.Current suspension type steel inner cylinder its supporting way predominantly segmentation is supported on each layer platform, Steel inner cylinder arranges multiple supporting-point to undertake whole inner core weight.Its inner core periphery of this sus-pension sets Putting multiple reinforcing ring to be connected with platform, steel using amount is bigger.Especially for some large-scale chimneys, this segmentation It is more that formula suspention framework connects node, is unfavorable for running and safeguarding.
Utility model content
Based on this, the utility model is to overcome the defect of prior art, it is provided that the truss of a kind of chimney internal cylinder Formula support platform, it achieves the integral hanging of inner core, decreases the connection node of inner tube installation, it is simple to fortune Row and maintenance.
Its technical scheme is as follows:
The Formwork Support for External platform of a kind of chimney internal cylinder, chimney includes urceolus and hangs in described urceolus extremely A few inner core, including being positioned at described urceolus and two the first truss being oppositely arranged, two described first Truss all includes the first top boom and the first lower boom, and described first top boom is supported in the inwall of described urceolus, At least two suspention beams, described suspention beam and described first top boom it is provided with between two described first top booms Enclose and form at least one coordinated with the periphery of described inner core and suspend framework in midair, two described first lower booms it Between be provided with at least two support beams, described support beam and described first lower boom enclose formation with described inner core outside Zhou Peihe's and described suspention framework support frame one to one, described inner core is lifted on described suspention frame Body, the periphery of described inner core is additionally provided with several supports being supported on described support frame.
Wherein in an embodiment, described suspention beam includes Primary Suspension beam and is positioned at described Primary Suspension beam both sides Some sides suspention beams, two ends first top boom described with two of described Primary Suspension beam is connected, described Side suspention beam, described Primary Suspension beam and two described first top booms enclose formation and with described Primary Suspension beam are Two described suspention frameworks that axisymmetrical is arranged, described support beam includes main support beam and is positioned at described master and props up Some lateral support beams of support beam both sides, the two ends of described main support beam first lower boom described with two is even Connecing, described lateral support beam, described main support beam and two described first lower booms enclose formation with described master Support beam is two described support frames that axisymmetrical is arranged.
Wherein in an embodiment, between described Primary Suspension beam and described main support beam, it is also associated with many Two web members, described Primary Suspension beam, described main support beam and described second web member cooperatively form the second truss.
Wherein in an embodiment, every side of described Primary Suspension beam is equipped with five described side suspention beams, Five described side suspention beams enclose formation in positive eight limits with described Primary Suspension beam, two described first top booms The described suspention framework of shape, the periphery of described inner core is provided with four lifting portions for suspension, described in four Lifting portion is evenly arranged in described inner core, a drift angle phase of each described lifting portion and described suspention framework To the arc length of the described inner core between setting, and adjacent two described lifting portions and described suspention framework two While be oppositely arranged.
Wherein in an embodiment, the periphery of described inner core is arranged with stiffening ring, and described stiffening ring is provided with Described lifting portion and described support.Wherein in an embodiment, described support is the first bracket, institute State that the first bracket and described support frame are fixing to be connected.
Wherein in an embodiment, described inner core is provided with four described first brackets, four described first N Leg is uniformly distributed in the periphery of described inner core.
Wherein in an embodiment, the inwall of described urceolus is provided with four the second brackets, each described One end of one top boom is both secured to one of them described second bracket.
Wherein in an embodiment, the length of described first top boom is more than the length of described first lower boom.
Wherein in an embodiment, it is connected between described first top boom with described first lower boom and has many First web member.
Advantage or principle to preceding solution illustrate below:
The utility model provides the Formwork Support for External platform of a kind of chimney internal cylinder, and it includes two the first truss, It is provided with suspention beam and support beam between two the first truss, defines the suspention framework being oppositely arranged up and down and prop up Support frame body so that inner core is lifted on the first top boom, is supported in the first lower boom.Inner core is with integral hanging side Formula hangs on described support platform, and the installed surface up and down of inner core does not interfere with each other, it is simple to install.Use this Plant integral hanging formula supporting construction, will hang in a support platform by whole inner core, the most both can be abundant Playing the advantage of suspension type chimney, the support simultaneously decreasing inner core connects node.Compare to traditional putting down more Platform segmented suspended structure, monoblock type suspended structure described in the utility model is easy to run and go along with sb. to guard him.Use this Inner core supporting construction described in utility model so that inner core major part stress, based on tension, has and is subject to Power is reasonable, strengthen inner core load-bearing capacity, reduce heat transfer effect, reduce the advantages such as cost of manufacture.Additionally, adopt With truss as main supporting member, compared with common H profile steel, having bearing capacity big, steel using amount province etc. is excellent Point.Comparing to traditional H profile steel platform, supporting mechanism described in the utility model can also also serve as construction simultaneously Time hoisting platform and run use time stress platform use, and lifting steel inner cylinder time can change suspension centre, can Once lifting puts in place.
The Formwork Support for External platform of chimney internal cylinder described in the utility model is provided with two suspention frameworks and two Support frame body, hangs for realizing double inner cores of chimney.
The utility model uses the first truss and the combination of the second truss to form space truss, constitutes double inner core Supported and suspended platform.Use truss as main supporting member, compared with common H profile steel, there is bearing capacity Greatly, the advantage that steel using amount saves.First truss and the second truss composition space truss system, strengthen monolithic stability Property.The utility model structural safety is reliable, it is possible to ensure that chimney is the most properly functioning.
Described lifting portion and suspention framework drift angle be oppositely arranged, make full use of suspention framework adjacent two edges it Between gap, it is simple to lifting.
The periphery of described inner core is arranged with stiffening ring, in order to improve the bonding strength of steel inner cylinder.Described lifting portion It is both secured on described stiffening ring with described support.Thus stiffening ring upper end is hung at truss and winds up, lower end It is supported in truss lower edge.Compare to traditional stiffening ring segmented and hang on chimney urceolus, use this practicality new Integral support structure described in type can reduce the usage quantity of stiffening ring, reduces the steel consumption of inner core.
Four the first brackets are symmetrically distributed in the periphery of inner core, it is ensured that stress equalization during inner core suspension strut, carry High inner core and the load-bearing capacity of support frame.
The length of described first top boom is more than the length of described first lower boom, it is simple to the installation of the first truss. First truss only has the first top boom to be supported on urceolus, and difficulty of construction is little, and precision is easily controllable, installation side Just.
Accompanying drawing explanation
Fig. 1 is the structural representation of the suspention framework of the chimney internal cylinder described in the utility model embodiment;
Fig. 2 is the structural representation of the support frame of the chimney internal cylinder described in the utility model embodiment;
Fig. 3 is the structural representation of the first truss described in the utility model embodiment;
Fig. 4 is the structural representation of the second truss described in the utility model embodiment.
Description of reference numerals:
100, urceolus, the 110, second bracket, 200, inner core, 210, stiffening ring, 211 lifting portions, 212, Support, the 300, first truss, the 310, first top boom, the 320, first lower boom, the 330, first abdomen Bar, the 400, second truss, 410, Primary Suspension beam, 420, main support beam, the 430, second web member, 500, Suspention framework, the 510, first suspention beam, the 520, second suspention beam, the 530, the 3rd suspention beam, 540, the Four suspention beams, the 550, the 5th suspention beam, 600, support frame, the 610, first support beam, 620, second Support beam, the 630, the 3rd support beam, the 640, the 4th support beam, the 650, first tie-beam, 660, second Tie-beam.
Detailed description of the invention
Below embodiment of the present utility model is described in detail:
Chimney includes urceolus 100 and at least one inner core 200 hung in urceolus 100.Urceolus 100 is mixed Solidifying soil urceolus 100, inner core 200 is steel inner cylinder 200.As shown in Figure 1-2, the truss-like of a kind of chimney internal cylinder Support platform, including being positioned at urceolus 100 and two the first truss 300 being oppositely arranged.Two the first truss 300 all include first top boom the 310, first lower boom 320 and are positioned at the first top boom 310 and the first lower edge The first web member 330 between bar 320, as shown in Figure 3.The inwall of urceolus 100 is provided with four the second brackets 110, one end of each first top boom 310 all supports is fixed on one of them second bracket 110.First The length of top boom 310 is more than the length of the first lower boom 320, it is simple to the installation of the first truss 300.As Shown in Fig. 1, being provided with at least two suspention beams between two the first top booms 310, suspention beam and first winds up Bar 310 encloses formation and suspends framework 500 one to one in midair with inner core 200.As in figure 2 it is shown, two first time Being provided with at least two support beams between chord member 320, support beam and the first lower boom 320 enclose formation and inner core 200 support frame 600 one to one.Each suspention framework 500 and one of them support frame 600 phase Pass with for inner core 200 arranging.The periphery of inner core 200 is provided with several lifting portions 211, lifting portion 211 choose ear for lifting, and lifting is chosen ear and is provided with hole for hoist.Inner core 200 is passed by the steel wire etc. of lifting and hangs Dress hole hangs on suspention framework 500.The periphery of described inner core 200 is additionally provided with and is supported in described support frame 600 On several supports 212.Described support 212 is the first bracket, and the first bracket is fixedly supported to support In framework 600, as shown in Figure 4.In the present embodiment, the periphery of inner core 200 is arranged with stiffening ring 210, Lifting portion 211 and support 212 are all located at the periphery of stiffening ring 210.
From the foregoing, it will be observed that the Formwork Support for External platform of chimney internal cylinder provided by the utility model includes arranging up and down Suspention framework 500 and support frame 600 so that inner core 200 is lifted on the first top boom 310, is supported in First lower boom 320.The installed surface up and down of inner core 200 does not interfere with each other, it is simple to install.This entirety is used to hang Hanging supporting construction, will hang in a support platform by whole inner core 200, the most both can give full play to The advantage of suspension type chimney, the support simultaneously decreasing inner core 200 connects node, it is simple to runs and goes along with sb. to guard him. Use inner core supporting construction described in the utility model so that inner core 200 major part stress with tension is Main, there is reasonable stress, strengthen inner core 200 load-bearing capacity, reduce inner core 200 wall thickness, reduce and be fabricated to This etc. advantage.
It addition, the periphery of inner core 200 is arranged with stiffening ring 210, in order to improve the bonding strength of steel inner cylinder 200. Lifting portion 211 and support about 212 dislocation are arranged in the periphery of stiffening ring 210.Thus stiffening ring 210 Upper end is hung at winding up of the first truss 300 by lifting portion 211, and lower end is supported in by support 212 The lower edge of the first truss 300.Compare to traditional stiffening ring 210 segmented and hang on chimney urceolus 100, adopt The usage quantity of stiffening ring 210 can be reduced by supporting construction of the present utility model, reduce the steel of inner core 100 Consumption.As it is shown in figure 1, described suspention beam includes Primary Suspension beam 410 and is positioned at Primary Suspension beam 410 both sides Some side suspention beams.The two ends of Primary Suspension beam 410 are connected with two first top booms 310.Specifically, Side suspention beam in each suspention framework 500 include the first suspention beam 510, second suspend in midair beam 520, the Three suspention beam the 530, the 4th suspention beam 540 and the 5th suspention beams 550.First suspention one end of beam 510 and its In first top boom 310 connect, the other end is connected with Primary Suspension beam 410;Second suspention beam 520 One end is connected with other first top boom 310, and the other end is connected with Primary Suspension beam 410;3rd suspention Beam 530 one end is connected with wherein first top boom 310, and the other end is connected with urceolus 100 inwall;The Four suspention beam 540 one end are connected with other first top boom 310, and the other end is with urceolus 100 inwall even Connect;The two ends of the 5th suspention beam 550 are connected with the 3rd suspention beam 530 and the 4th suspention beam 540 respectively.Side Limit suspention beam, Primary Suspension beam 410 and two first top booms 310 enclose formation with Primary Suspension beam for axis pair Claim two the suspention frameworks 500 arranged.
Preferably, suspention framework 500 is in octagon shape.To choose ear be four in lifting, and it is equal that ear is chosen in four liftings Even it is arranged in inner core 200.Each lifting is chosen ear and is oppositely arranged with the drift angle suspending framework 500 in midair, and phase Two limits of arc length and suspention framework 500 that the inner core 200 between ear is chosen in adjacent two liftings are oppositely arranged.Will Lifting is chosen ear and is located at the drift angle of suspention framework 500, makes full use of between suspention framework 500 adjacent two edges Gap, it is simple to lifting.The utility model chooses ear also dependent on liftings such as actual conditions installations six or eight.
If as in figure 2 it is shown, described support beam includes main support beam 420 and is positioned at main support beam 420 both sides Dry root lateral support beam.The two ends of main support beam 420 are connected with two first lower booms 320.Specifically, The lateral support beam of each support frame 600 includes first support beam the 610, second support beam the 620, the 3rd Support beam 630 and the 4th support beam 640.First support beam 610 one end and wherein first lower boom 320 Connecting in 45 ° of angles, the other end is connected in 45 ° of angles with main support beam 420;Second support beam 620 1 End is connected in 45 ° of angles with other first lower boom 320, and the other end and main support beam 420 are in 45 ° Angle connects;3rd support beam 630 one end is connected in 45 ° of angles with wherein first lower boom 320, The other end is connected with urceolus 100 inwall;Other first lower boom 320 in 4th support beam 640 one end in 45 ° of angles connect, and the other end is connected with urceolus 100 inwall.Lateral support beam, main support beam 420 and two Root the first lower boom 320 encloses and forms two support frames arranged for axisymmetrical with main support beam 420 600.In summary, the utility model defines about the two groups suspention frameworks 500 being oppositely arranged and carriage Body 600, is applicable to the suspension strut of double inner core 200.In the present embodiment, main support beam 420 and two Tie-beam 650 and tie-beam 660 it is additionally provided with between first lower boom 320.
Described inner core 200 is provided with four described first brackets, and four described first brackets are uniformly distributed in described The periphery of inner core 200.And four the first brackets support 620 respectively with the first support beam 610, second, the Three support beams 630 and a fixing connection therein of the 4th support beam 640.Four the first bracket symmetries are divided It is distributed in the periphery of inner core 200, it is ensured that stress equalization during inner core 200 suspension strut, improves inner core 200 load Ability, the most also ensures support frame 600 stress equalization.
In the present embodiment, Primary Suspension beam 410 is the second top boom, and main support beam 420 is second time Chord member.Connect between Primary Suspension beam 410 and main support beam 420 and have the second web member 430, as shown in Figure 4.The Two top booms, the second lower boom and the combination of the second web member 430 constitute the second truss 400.The utility model is overall Upper main employing the first truss 300 and the combination of the second truss 400 form space truss, constitute steel inner cylinder 200 Supported and suspended platform.The space truss of multi-point support is redundant structure, and once Local Members is leaked The corrosion of Korrosionsmedium, it is possible to carry out Internal Force Redistribution, will not occur acute destruction, mends for structural strengthening Thering is provided by force condition, the utility model structural safety is reliable, it is possible to ensure that chimney is the most properly functioning.Separately Outward, side described in the utility model suspention beam, lateral support beam and tie-beam etc. are welded H section steel Or it is hot rolled H-shaped.
In sum, the Formwork Support for External platform of chimney internal cylinder described in the utility model makes steel inner cylinder 200 Installment work is the easiest, shortens installation period, reduces the consuming installing auxiliary material, save substantial amounts of artificial and Former, auxiliary material, increases economic efficiency.Use this integral hanging formula supporting construction, will whole inner core 200 Hang in a support platform, the most both can give full play to the advantage of suspension type chimney, in decreasing simultaneously The support of cylinder 200 connects node, it is simple to runs and goes along with sb. to guard him.
Each technical characteristic of above example can combine arbitrarily, for making description succinct, not to above-mentioned The all possible combination of each technical characteristic in embodiment is all described, but, as long as these technology are special There is not contradiction in the combination levied, is all considered to be the scope that this specification is recorded.
Above example only have expressed several embodiments of the present utility model, and it describes more concrete and detailed, But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for ability For the those of ordinary skill in territory, without departing from the concept of the premise utility, it is also possible to make some Deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the guarantor of the utility model patent The scope of protecting should be as the criterion with claims.

Claims (10)

1. a Formwork Support for External platform for chimney internal cylinder, chimney includes urceolus and hangs in described urceolus At least one inner core, it is characterised in that include two the first truss being positioned at described urceolus and being oppositely arranged, Two described first truss all include that the first top boom and the first lower boom, described first top boom are supported in institute State the inwall of urceolus, be provided with between two described first top booms at least two suspention beams, described suspention beam with Described first top boom encloses and forms at least one the suspention framework coordinated with the periphery of described inner core, two institutes Stating and be provided with at least two support beams between the first lower boom, described support beam and described first lower boom enclose shape Becoming that coordinate and described suspention framework support frame one to one with described inner core periphery, described inner core hangs Being loaded on described suspention framework, the periphery of described inner core is additionally provided with several that be supported on described support frame Bearing portion.
The Formwork Support for External platform of chimney internal cylinder the most according to claim 1, it is characterised in that described Suspention beam includes Primary Suspension beam and is positioned at some side suspention beams of described Primary Suspension beam both sides, and described master is hanged The two ends of hanging beam first top boom described with two is connected, described side suspention beam, described Primary Suspension beam and two First top boom described in root encloses and forms two the described suspention frames arranged for axisymmetrical with described Primary Suspension beam Body, described support beam includes main support beam and is positioned at some lateral support beams of described main support beam both sides, Two ends first lower boom described with two of described main support beam is connected, and described lateral support beam, described master prop up Support beam and two described first lower booms enclose and form two institutes arranged for axisymmetrical with described main support beam State support frame.
The Formwork Support for External platform of chimney internal cylinder the most according to claim 2, it is characterised in that described Many second web members, described Primary Suspension beam, described master it is also associated with between Primary Suspension beam and described main support beam Support beam and described second web member cooperatively form the second truss.
The Formwork Support for External platform of chimney internal cylinder the most according to claim 2, it is characterised in that described Every side of Primary Suspension beam is equipped with five described side suspention beams, five described side suspention beams and described master Suspention beam, two described first top booms enclose the described suspention framework formed in octagon shape, described interior The periphery of cylinder is provided with four, and for the lifting portion hung, four described lifting portions are evenly arranged in described inner core, Each described lifting portion is oppositely arranged with a drift angle of described suspention framework, and adjacent two described liftings The arc length of the described inner core between portion is oppositely arranged with two limits of described suspention framework.
The Formwork Support for External platform of chimney internal cylinder the most according to claim 4, it is characterised in that described The periphery of inner core is arranged with stiffening ring, and described stiffening ring is provided with described lifting portion and described support.
The Formwork Support for External platform of chimney internal cylinder the most according to claim 1, it is characterised in that described Support is the first bracket, and described first bracket is fixing with described support frame to be connected.
The Formwork Support for External platform of chimney internal cylinder the most according to claim 6, it is characterised in that described Inner core is provided with four described first brackets, and four described first brackets are uniformly distributed in the periphery of described inner core.
The Formwork Support for External platform of chimney internal cylinder the most according to any one of claim 1 to 7, it is special Levying and be, the inwall of described urceolus is provided with four the second brackets, and one end of each described first top boom is equal It is fixed on one of them described second bracket.
The Formwork Support for External platform of chimney internal cylinder the most according to any one of claim 1 to 7, it is special Levying and be, the length of described first top boom is more than the length of described first lower boom.
The Formwork Support for External platform of chimney internal cylinder the most according to any one of claim 1 to 7, its Being characterised by, being connected between described first top boom with described first lower boom has many first web members.
CN201620133522.3U 2016-02-22 2016-02-22 Truss -like supporting platform of chimney inner tube Expired - Fee Related CN205560795U (en)

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Application Number Priority Date Filing Date Title
CN201620133522.3U CN205560795U (en) 2016-02-22 2016-02-22 Truss -like supporting platform of chimney inner tube

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CN201620133522.3U CN205560795U (en) 2016-02-22 2016-02-22 Truss -like supporting platform of chimney inner tube

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107740631A (en) * 2017-10-30 2018-02-27 四川电力设计咨询有限责任公司 The bearing platform structure of three pipe sleeve-type chimneys
CN107795184A (en) * 2017-10-30 2018-03-13 四川电力设计咨询有限责任公司 The truss bearing platform structure of three pipe sleeve-type chimneys

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107740631A (en) * 2017-10-30 2018-02-27 四川电力设计咨询有限责任公司 The bearing platform structure of three pipe sleeve-type chimneys
CN107795184A (en) * 2017-10-30 2018-03-13 四川电力设计咨询有限责任公司 The truss bearing platform structure of three pipe sleeve-type chimneys

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Granted publication date: 20160907