CN104278828A - Concrete chimney demolition operating platform - Google Patents
Concrete chimney demolition operating platform Download PDFInfo
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- CN104278828A CN104278828A CN201410523134.1A CN201410523134A CN104278828A CN 104278828 A CN104278828 A CN 104278828A CN 201410523134 A CN201410523134 A CN 201410523134A CN 104278828 A CN104278828 A CN 104278828A
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- door frame
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- base plate
- frames
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Abstract
The invention discloses a concrete chimney demolition operating platform and belongs to the technical field of concrete chimney, water tower and other construction upper-air manual demolition. The platform comprises door frames, connecting beams, a base plate and protecting nets. The door frames comprise channel steel frames, angle steel guardrails and hanging frames, which are connected in a welded manner. The frames are connected through connecting beam bolts, the connecting beams is perpendicularly paved with the base plate in a flatted manner, and the base plate is paved with an asbestos pad. The guardrails of the upper portion are connected through transverse rods through bolts, and double layers of safety protecting nets, namely one large-meshed net and one dense-meshed protecting net, are suspended on the hanging frames of the lower portion. The platform has the advantages that by means of the simple-structure door frames, the assembled platform is low in cost, safe and efficient, can be adjusted in real time and is adaptive to manual chimney demolition projections which are located in special regions, which contain inflammable and explosive dangerous substances, which are adjacent to residential areas or which have to demolish manually due to surrounding environment and other factors.
Description
Technical field
The invention belongs to the technical field of the structure enforcement high-altitude manual demolitions such as concrete structure chimney, water tower, in particular, provide a kind of concrete chimney dismantling operation platform, safe, the stable operating platform in the manual demolition of a kind of high-altitude, by the low cost of the dismountable constitution realization high-altitude dismantling of door frame, high efficiency and security reliability.
Background technology
The concrete structure structure such as current chimney, water tower 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, for safety prevention measure how to accomplish safety, reliable simultaneously again practical, cost is low is a large technical barrier, the present invention, by constructing high-altitude operation platform with door frame erection method, realizes the safety in high-altitude, stability.
Summary of the invention
The object of the present invention is to provide a kind of concrete chimney dismantling operation platform, the technical essential of solution is: pass through a kind of high-altitude dismantling operating platform of assembled configuration by the component of simple portal-framed structure.The invention provides a kind of simple and reasonable, can effectively the danger of high-altitude manual work be protected, be ensured, meet the requirement of high-altitude manual demolition.
The present invention includes door frame (for many Pin door frame), tie-beam, base plate and protective screening.Described door frame is uniform sizes, comprises channel-section steel support body, angle steel railing and hanger, and support body, railing vertical rod, hanger, type of attachment is welding.Door frame support body is ∏ shape, and adopt the welding of 14# channel-section steel, door frame bottom is L shape hanger, adopts 50 angle steel, and bolt connects, easy disassembly.Door frame top is guardrail upright pole, uses 50 angle steel, and bolt connects.During Demolition Construction, be angularly distributed on chimney wall with 12 Pin door frames, door frame is connected with chimney wall jackscrew bar.Connect with tie-beam bolt between door frame, tie-beam adopts 14# channel-section steel to make.The process at the position that tie-beam is mainly connected with door frame, connected mode adopts high-strength bolt to be aided with quantity and the boundary of works area of the adjustable door frame of wire rope.According to the feature of loading angle, load load-bearing, the door frame quantity such as general employing 6,9,12 are carried out assembled, assembled middle attention order and connected mode, along with the increase of barrel diameter is by the form adjustment that is flexible coupling of wire rope in construction, ensure platform stabilization.After connecting, upper berth platform floor, base plate adopts the wooden scaffold floor of specification 250mm*50mm, and laying direction is vertical with tie-beam, and smooth laying, has laid rear upper berth asbestos pad.Top guardrail upright pole cross bar connects, and uses bolt to be connected between cross bar with vertical rod, high 1.5 meters, and twice cross bar railing is brushed with the paint at red white interval.Bottom hanger hangs double layer security protective screening, the large eye net of one deck, the close order protective screening of one deck.
(1) door frame: girder selects 14a channel-section steel notch vertical, and its cross section property is:
Area: A=18.51cm2
Inertia distance: Iy=53.2cm4
Dynamic moment of inertia: Wy=13.01cm3
The radius of gyration: iy=1.7cm
Sectional dimension: b=58mm, h=140mm, t=9.5mm
(2) tie-beam: the channel-section steel selecting material identical with door frame girder, specification.For the support of connecting platform center platform floor.
(3) platform floor: select the wooden scaffold floor (pine, China fir) that building site is conventional, specification 250mm*50mm.
(4) protective screening: adopt double layer security net, 100 square centimeters, one deck large eye protective screening 800 order, one deck close order safety net 2000 order/100 square centimeter.Thus can stop rubble, the falling of the objects such as fragment of brick, to splash.
The form component Demolition Construction platform that the present invention utilizes door frame, tie-beam to adopt bolt, wire rope to connect by certain angle, effectively can improve safety and the efficiency of construction of high-altitude manual demolition, this platform has simple and reasonable, assembling is in operation, design margin evaluation high and construction be easy to operate feature, be applicable to high-altitude concrete chimney manual demolition construction.
Accompanying drawing explanation
Fig. 1 is door frame detail drawing schematic diagram.Wherein, railing 1, door frame support body 2, jackscrew 3, hanger 4
Fig. 2 is operating platform schematic diagram.Wherein, tie-beam 5, chimney wall 6, double-deck close order protective screening 7, base plate 8.
Fig. 3 is operating platform generalized section.Wherein, video monitoring 9, lightning rod 10, door frame guardrail 1, door frame 2, base plate 8, jackscrew 3, wire rope 11.
Detailed description of the invention
The present invention includes door frame (for many Pin door frame), tie-beam, base plate and protective screening.Described door frame is uniform sizes, comprises channel-section steel support body, angle steel railing and hanger, and support body, railing vertical rod, hanger, type of attachment is welding.Below in conjunction with accompanying drawing, the present invention is described in further detail.
(1) as shown in Fig. 2 operating platform assembling schematic diagram, the making of this operating platform, installation, be mainly door frame assembling, 6,9,12 Pin are generally according to the rational quantity of the diameter matches of chimney, angularly assembled, connected mode is for connect with tie-beam and wire rope, and bottom boarding is two-layer.
(2) as shown in Fig. 3 operating platform sectional drawing, hold out against fixing with jackscrew bar and chimney wall during door frame assembling, as shown in Fig. 1 door frame detail drawing, above door frame, 50 angle steel are the support of platform guardrail, connect into 1.5 meters of high guardrails above with angle steel bolt.Door frame lower outer is 50 angle steel hangers, end boarding, and plug-in close order protective screening, prevents falling rocks.Top dress lightning rod and supervising device.
(3) in barrel Demolition Construction process, when diameter becomes large with the reduction of barrel, font door frame should be increased out, increase operating platform simultaneously, during in order to ensure to increase door frame, make the stability of whole platform, its measure is the hole of φ 50 in the middle of former door frame cross-arm when utilizing assembling, wear the wire rope of three road φ 14, first unclamp two wherein, another root, as safety rope, treats that enough scopes stopped by two wire rope, by the locking of two fag ends, then unclamp and use the same method this rope locking as safety rope profit.Then the door frame added is evenly arranged along barrel girth, and operating platform scaffold floor completed, tie, various equipment, check and accept on inspection after can come into operation.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the term such as door frame, tie-beam herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (5)
1. a concrete chimney dismantling operation platform, is characterized in that, comprises door frame, door frame tie-beam, base plate and protective screening; Door frame comprises channel-section steel support body, angle steel railing and hanger, and support body, railing vertical rod, hanger type of attachment are welding; Door frame support body is ∏ shape, and adopt the welding of 14# channel-section steel, door frame bottom is L shape hanger, adopts 50 angle steel, and bolt connects; Door frame top is guardrail upright pole, uses 50 angle steel, and bolt connects; During Demolition Construction, be angularly distributed on chimney wall with 12 Pin door frames, door frame is connected with chimney wall jackscrew bar; Connect with tie-beam bolt between door frame; According to the feature of loading angle, load load-bearing, the door frame quantity such as employing 6,9,12 are carried out assembled, along with the increase of barrel diameter is by the form adjustment that is flexible coupling of wire rope in construction, ensure platform stabilization; After connecting, upper berth base plate, base plate adopts the wooden scaffold floor of specification 250mm*50mm, and laying direction is vertical with tie-beam, and smooth laying, has laid rear upper berth asbestos pad; Top guardrail upright pole cross bar connects, and uses bolt to be connected between cross bar with vertical rod, twice cross bar, and bottom hanger hangs double layer security protective screening, the large eye net of one deck, the close order protective screening of one deck.
2. platform according to claim 1, is characterized in that, described door frame selects 14a channel-section steel notch vertical, and its cross section is:
Area: A=18.51cm2
Inertia distance: Iy=53.2cm4
Dynamic moment of inertia: Wy=13.01cm3
The radius of gyration: iy=1.7cm
Sectional dimension: b=58mm, h=140mm, t=9.5mm.
3. platform according to claim 1, is characterized in that, described tie-beam selects the channel-section steel of material identical with door frame girder, specification.For the support of connecting platform center platform floor.
4. platform according to claim 1, is characterized in that, described base plate: select wooden scaffold floor pine or China fir, specification 250mm*50mm.
5. platform according to claim 1, is characterized in that, described protective screening adopts double layer security net, 100 square centimeters, one deck large eye protective screening 800 order, one deck close order safety net 2000 order/100 square centimeter, can stop rubble, the falling of fragment of brick object, splash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410523134.1A CN104278828B (en) | 2014-09-30 | 2014-09-30 | A kind of concrete chimney dismantling operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410523134.1A CN104278828B (en) | 2014-09-30 | 2014-09-30 | A kind of concrete chimney dismantling operation platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104278828A true CN104278828A (en) | 2015-01-14 |
| CN104278828B CN104278828B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410523134.1A Active CN104278828B (en) | 2014-09-30 | 2014-09-30 | A kind of concrete chimney dismantling operation platform |
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| Country | Link |
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| CN (1) | CN104278828B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518972A (en) * | 2018-12-29 | 2019-03-26 | 中建局集团第建筑有限公司 | A kind of soft platform construction method of lighting roof |
| CN110512945A (en) * | 2019-09-05 | 2019-11-29 | 上海建工二建集团有限公司 | A kind of vertical lever fixing apparatus and installation method of safe protective railing |
| 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 |
| CN116163506A (en) * | 2023-04-18 | 2023-05-26 | 山西建设投资集团有限公司 | Movable construction operation platform for removing chimney |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4960185A (en) * | 1988-06-30 | 1990-10-02 | GESTA Gesellschaft fur Stahlrohrgeruste mbH | Movable cradle |
| JP2001032522A (en) * | 1999-07-27 | 2001-02-06 | Kitaken:Kk | Construction of tower body |
| CN202055502U (en) * | 2011-03-31 | 2011-11-30 | 胜利油田胜利工程建设（集团）有限责任公司 | Basket-type operating platform for construction of high-rise building construction |
| CN202755634U (en) * | 2012-08-07 | 2013-02-27 | 中建三局建设工程股份有限公司 | Suspension type operational platform |
| CN103470093A (en) * | 2013-09-24 | 2013-12-25 | 中国二十二冶集团有限公司 | Concrete chimney dismantling device and dismantling method |
-
2014
- 2014-09-30 CN CN201410523134.1A patent/CN104278828B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4960185A (en) * | 1988-06-30 | 1990-10-02 | GESTA Gesellschaft fur Stahlrohrgeruste mbH | Movable cradle |
| JP2001032522A (en) * | 1999-07-27 | 2001-02-06 | Kitaken:Kk | Construction of tower body |
| CN202055502U (en) * | 2011-03-31 | 2011-11-30 | 胜利油田胜利工程建设（集团）有限责任公司 | Basket-type operating platform for construction of high-rise building construction |
| CN202755634U (en) * | 2012-08-07 | 2013-02-27 | 中建三局建设工程股份有限公司 | Suspension type operational platform |
| CN103470093A (en) * | 2013-09-24 | 2013-12-25 | 中国二十二冶集团有限公司 | Concrete chimney dismantling device and dismantling method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518972A (en) * | 2018-12-29 | 2019-03-26 | 中建局集团第建筑有限公司 | A kind of soft platform construction method of lighting roof |
| CN110512945A (en) * | 2019-09-05 | 2019-11-29 | 上海建工二建集团有限公司 | A kind of vertical lever fixing apparatus and installation method of safe protective railing |
| 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 |
| CN116163506A (en) * | 2023-04-18 | 2023-05-26 | 山西建设投资集团有限公司 | Movable construction operation platform for removing chimney |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104278828B (en) | 2016-08-24 |
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