CN104746863A - Dismantling construction platform for concrete chimney - Google Patents
Dismantling construction platform for concrete chimney Download PDFInfo
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- CN104746863A CN104746863A CN201510126314.0A CN201510126314A CN104746863A CN 104746863 A CN104746863 A CN 104746863A CN 201510126314 A CN201510126314 A CN 201510126314A CN 104746863 A CN104746863 A CN 104746863A
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Abstract
The invention discloses a dismantling construction platform for a concrete chimney and belongs to the field of building dismantling technologies. The dismantling construction platform for the concrete chimney comprises a supporting platform and an operating platform. The supporting platform comprises a supporting platform body, hoisting points and a guard bar system. The operating platform comprises an operating platform supporting system and an operating platform auxiliary system. The supporting platform body is a load-bearing frame of the construction platform. The operating platform supporting system is located between the inner side of the supporting platform body and a chimney body. The operating platform auxiliary system is located on the upper surface of the operating platform supporting system and is used for installing face sealing wooden planks of the operating platform in a paving mode. The hoisting points are located on upper chord members of the inner side and the outer side of the upper surface of the supporting platform. The guard bar system is installed on main chord members on the inner side and the outer side of the supporting platform body. The dismantling construction platform for the concrete chimney has the advantages of being high in structure safety coefficient, good in stability and suitable for manual dismantlement construction operation of high-altitude concrete chimneys.
Description
Technical field
The invention belongs to demolishing buildings technical field, particularly a kind of concrete chimney Demolition Construction platform.Particularly provide safe, the stable operation platform in the manual demolition of high-altitude, realize high efficiency and the security reliability of high-altitude dismantling.
Background technology
The concrete structure structure such as current chimney are because it is highly high, remove the features such as danger is large, normal employing directional blasting technology, and for special area, have inflammable and explosive danger or surrounding enviroment, close on the factors such as residential block and must use manual demolition, how safety is accomplished for safety prevention measure, reliably practicality and high efficiency is a large technical barrier again simultaneously, the present invention, by the mode of lifting construction platform, realizes the safety of work high above the ground, stability.
Summary of the invention
The object of the invention is to provide a kind of concrete chimney Demolition Construction platform, solves specific region towering structure Demolition Construction personal safety security problem.
A kind of concrete chimney Demolition Construction platform, comprise support platform and operating platform, support platform comprises support platform main body 1, lifting point 2 and fence sytsem; Operating platform comprises operating platform support system 3 and operating platform accessory system; Support platform main body 1 is the supporting frame of operation platform, plays load-bearing effect; Operating platform support system 3, inside support platform main body 1 and between funnel body 6, in order to reduce the span of encorbelmenting of operating platform accessory system, is the load-carrying members of operating platform; Operating platform accessory system is positioned at the upper surface of operating platform support system 3, for the front cover wood springboard 8 of operating platform of mating formation; Lifting point 2 is positioned on the upper cord member of the medial and lateral of support platform upper surface, for lifting operation platform.Fence sytsem is arranged on the medial and lateral main chord part of support platform main body 1, plays safety protection function.
Support platform main body 1: support platform main body 1 is just polygonal ring-shaped platform structure, be a unit with the circular arc at 12 °, 15 ° or 18 ° angles, amount to 20,24 or 30 box unit, composition collar-shaped platform structure, form box circulus because each unit combines, therefore support platform has certain globality; The main chord part of support platform main body 1 is
hot finished steel pipe, secondary chord member part (connecting rod) is
hot finished steel pipe.Support platform main body 1 adopts front cover steel plate 9 on the surface, and thickness is 6mm.
Operating platform support system 3: operating platform support system 3 adopts channel-section steel 5, channel-section steel 5 two ends of operating platform support system 3 outer ring are welded on the side main chord in support platform main body 1 inner ring, and the channel-section steel 5 of inner ring welds with the channel-section steel 5 of adjacent turn; Operating platform support system 3 is successively removed from the inside to the outside along with removing reduction highly.
Described channel-section steel 5 is 16# channel-section steel.
Operating platform accessory system: operating platform accessory system all adopts standard tray pipe, design 24 support bars 7 of encorbelmenting altogether, become radioactivity to be uniformly distributed respectively from the support platform center of circle, encorbelmenting, support bar 7 designs " several " font fixed point with support platform main body 1 intersection area, and support bar 7 of encorbelmenting adopts iron wire to tie with fixed point; The front cover wood springboard 8 spreading 50mm above operating platform accessory system thick carries out front cover.Reserved opening in the middle of operation platform, so that lifting construction, opening is according to chimney upper dimension adjustment size.
It is support bar 7 inner end of encorbelmenting is held out against the outer wall of funnel body 6 when colligation after 3 support bars 7 of encorbelmenting adopt temporary fixed mode, platform hoisted in position to be onstructed colligation is firm again that described iron wire ties.
Lifting point 2: totally 6 groups, lifting point 2, often organize 2, the inside and outside main string along support platform main body 1 is arranged symmetrically, and each lifting point 2 is independent hoist cable design; Lifting point 2 is welded with the main chord part of support platform main body 1; Lifting point 2 and hoist cable 4 adopt 9
#the shackle of D type connects.
Hoist cable 4 is selected
6*37 wire rope, strength grade is 1550N/mm
2.
Fence sytsem: the vertical rod of fence sytsem is welded with support platform main body 1, outer side rail hangs close order protective screening.
The invention has the advantages that: operation platform utilize inner side inscribe chimney cylindrical, in connect form that regular polygon is aided with transverse link and realize internal diameter and progressively can adjust with chimney radius change.Interior outside adopts guardrail form to realize the safety of work high above the ground personnel, this operation platform has that design margin evaluation is high, the feature of good stability, be applicable to the manual demolition construction operation of high-altitude concrete chimney, can effectively the danger of high-altitude manual work be protected, be ensured, be met the requirement of high-altitude manual demolition.
Accompanying drawing explanation
Fig. 1 is operation platform threedimensional model schematic diagram.Wherein, support platform main body 1, lifting point 2, operating platform support system 3, lifting wire rope 4.
Fig. 2 is support platform agent structure plan view.
Fig. 3 is support platform agent structure elevation.
Fig. 4 is operating platform support system plan view.Wherein, lifting point 2, channel-section steel 5, funnel body 6.
Fig. 5 is operating platform accessory system plan view.Wherein, funnel body 6, support bar 7 of encorbelmenting.
Fig. 6 is that operating platform is mated formation figure.Wherein, lifting point 2, funnel body 6, front cover not springboard 8, front cover steel plate 9.
Fig. 7 is the A-A sectional drawing of Fig. 2.
Fig. 8 is the B-B sectional drawing of Fig. 6.
Detailed description of the invention
A kind of concrete chimney Demolition Construction platform, comprise support platform and operating platform, support platform comprises support platform main body 1, lifting point 2 and fence sytsem; Operating platform comprises operating platform support system 3 and operating platform accessory system; Support platform main body 1 is the supporting frame of operation platform, plays load-bearing effect; Operating platform support system 3, inside support platform main body 1 and between funnel body 6, in order to reduce the span of encorbelmenting of operating platform accessory system, is the load-carrying members of operating platform; Operating platform accessory system is positioned at the upper surface of operating platform support system 3, for operating platform of mating formation front cover wood springboard 8 so that upper people operation.Lifting point 2 is positioned on the upper cord member of the medial and lateral of support platform upper surface, for lifting operation platform.Fence sytsem is arranged on the medial and lateral main chord part of support platform main body 1, plays safety protection function.
Support platform main body 1: support platform main body 1 is just polygonal ring-shaped platform structure, be a unit with the circular arc at 15 ° of angles, amount to 24 box unit, composition collar-shaped platform structure, form box circulus because each unit combines, therefore support platform has certain globality; The main chord part of support platform main body 1 is
hot finished steel pipe, secondary chord member part (connecting rod) is
hot finished steel pipe.Support platform main body 1 adopts front cover steel plate 9 on the surface, and thickness is 6mm.
Operating platform support system 3: operating platform support system 3 adopts channel-section steel 5, channel-section steel 5 two ends of operating platform support system 3 outer ring are welded on the side main chord in support platform main body 1 inner ring, and the channel-section steel 5 of inner ring welds with the channel-section steel 5 of adjacent turn; Operating platform support system 3 is successively removed from the inside to the outside along with removing reduction highly.
Described channel-section steel 5 is 16# channel-section steel.
Operating platform accessory system: operating platform accessory system all adopts standard tray pipe, design 24 support bars 7 of encorbelmenting altogether, become radioactivity to be uniformly distributed respectively from the support platform center of circle, encorbelmenting, support bar 7 designs " several " font fixed point with support platform main body 1 intersection area, and support bar 7 of encorbelmenting adopts iron wire to tie with fixed point; The front cover wood springboard 8 spreading 50mm above operating platform accessory system thick carries out front cover.Reserved opening in the middle of operation platform, so that lifting construction, opening is according to chimney upper dimension adjustment size.
It is support bar 7 inner end of encorbelmenting is held out against the outer wall of funnel body 6 when colligation after 3 support bars 7 of encorbelmenting adopt temporary fixed mode, platform hoisted in position to be onstructed colligation is firm again that described iron wire ties.
Lifting point 2: totally 6 groups, lifting point 2, often organize 2, the inside and outside main string along support platform main body 1 is arranged symmetrically, and each lifting point 2 is independent hoist cable design; Lifting point 2 is welded with the main chord part of support platform main body 1; Lifting point 2 and hoist cable 4 adopt 9
#the shackle of D type connects.
Hoist cable 4 is selected
6*37 wire rope, strength grade is 1550N/mm
2.
Fence sytsem: the vertical rod of fence sytsem is welded with support platform main body 1, outer side rail hangs close order protective screening.
Claims (9)
1. a concrete chimney Demolition Construction platform, comprises support platform and operating platform, it is characterized in that, support platform comprises support platform main body (1), lifting point (2) and fence sytsem; Operating platform comprises operating platform support system (3) and operating platform accessory system; Support platform main body (1) is the supporting frame of operation platform, plays load-bearing effect; Operating platform support system (3) is positioned between support platform main body (1) inner side and funnel body (6), in order to reduce the span of encorbelmenting of operating platform accessory system, is the load-carrying members of operating platform; Operating platform accessory system is positioned at the upper surface of operating platform support system (3), for front cover wood springboard (8) of operating platform of mating formation, so that upper people operation; Lifting point (2) is positioned on the upper cord member of the medial and lateral of support platform upper surface, for lifting operation platform; Fence sytsem is arranged on the medial and lateral main chord part of support platform main body (1), plays safety protection function.
2. operation platform according to claim 1, it is characterized in that, described support platform main body (1) is just polygonal ring-shaped platform structure, is a unit with the circular arc at 12 °, 15 ° or 18 ° angles, amount to 20,24 or 30 box unit, composition collar-shaped platform structure; The main chord part of support platform main body (1) is
hot finished steel pipe, secondary chord member part is
hot finished steel pipe; Support platform main body (1) adopts front cover steel plate (9) on the surface, and thickness is 6mm.
3. operation platform according to claim 1, it is characterized in that, described operating platform support system (3) adopts channel-section steel (5), channel-section steel (5) two ends of operating platform support system (3) outer ring are welded on the side main chord in support platform main body (1) inner ring, and the channel-section steel (5) of inner ring welds with the channel-section steel (5) of adjacent turn; Operating platform support system (3) is successively removed from the inside to the outside along with removing reduction highly.
4. operation platform according to claim 3, is characterized in that, described channel-section steel (5) is 16# channel-section steel.
5. operation platform according to claim 1, it is characterized in that, described operating platform accessory system all adopts standard tray pipe, design 24 support bars of encorbelmenting (7) altogether, become radioactivity to be uniformly distributed respectively from the support platform center of circle, design " several " font fixed point in support bar of encorbelmenting (7) and support platform main body (1) intersection area, support bar of encorbelmenting (7) and fixed point adopt iron wire to tie; Front cover wood springboard (8) spreading 50mm above operating platform accessory system thick carries out front cover; Reserved opening in the middle of operation platform, so that lifting construction.
6. operation platform according to claim 5, it is characterized in that, it is that support bar (7) inner end of encorbelmenting after 3 support bars of encorbelmenting (7) adopt temporary fixed mode, platform hoisted in position to be onstructed when colligation holds out against the outer wall of funnel body (6) colligation is firm again that described iron wire ties.
7. operation platform according to claim 1, it is characterized in that, totally 6 groups, described lifting point (2), often organize 2, inside and outside main string along support platform main body (1) is arranged symmetrically, and each lifting point (2) are independent hoist cable design; Lifting point (2) is welded with the main chord part of support platform main body (1); Lifting point (2) and hoist cable (4) adopt 9
#the shackle of D type connects.
8. operation platform according to claim 7, is characterized in that, described hoist cable (4) is used
6*37 wire rope, strength grade is 1550N/mm
2.
9. operation platform according to claim 1, is characterized in that, the vertical rod of described fence sytsem is welded with support platform main body (1), and outer side rail hangs close order protective screening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510126314.0A CN104746863B (en) | 2015-03-20 | 2015-03-20 | A kind of concrete chimney Demolition Construction platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510126314.0A CN104746863B (en) | 2015-03-20 | 2015-03-20 | A kind of concrete chimney Demolition Construction platform |
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| Publication Number | Publication Date |
|---|---|
| CN104746863A true CN104746863A (en) | 2015-07-01 |
| CN104746863B CN104746863B (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510126314.0A Active CN104746863B (en) | 2015-03-20 | 2015-03-20 | A kind of concrete chimney Demolition Construction platform |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351493A (en) * | 2016-08-29 | 2017-01-25 | 中国冶集团有限公司 | Construction platform and installation method of concrete silos |
| CN110203858A (en) * | 2019-06-24 | 2019-09-06 | 山东电力建设第三工程有限公司 | Extendible dynamic formula job platform in heat absorption tower |
| CN114278113A (en) * | 2021-12-29 | 2022-04-05 | 北京首钢建设集团有限公司 | Construction method for dismantling reinforced concrete chimney in complex environment |
-
2015
- 2015-03-20 CN CN201510126314.0A patent/CN104746863B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351493A (en) * | 2016-08-29 | 2017-01-25 | 中国冶集团有限公司 | Construction platform and installation method of concrete silos |
| CN110203858A (en) * | 2019-06-24 | 2019-09-06 | 山东电力建设第三工程有限公司 | Extendible dynamic formula job platform in heat absorption tower |
| CN114278113A (en) * | 2021-12-29 | 2022-04-05 | 北京首钢建设集团有限公司 | Construction method for dismantling reinforced concrete chimney in complex environment |
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| Publication number | Publication date |
|---|---|
| CN104746863B (en) | 2016-11-23 |
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