CN203308165U - Net rack type formwork supporting operation platform for construction of water tank at top of inverted-cone-shaped water tower - Google Patents
Net rack type formwork supporting operation platform for construction of water tank at top of inverted-cone-shaped water tower Download PDFInfo
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- CN203308165U CN203308165U CN2013202732575U CN201320273257U CN203308165U CN 203308165 U CN203308165 U CN 203308165U CN 2013202732575 U CN2013202732575 U CN 2013202732575U CN 201320273257 U CN201320273257 U CN 201320273257U CN 203308165 U CN203308165 U CN 203308165U
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Abstract
The utility model relates to building construction devices, in particular to a net rack type formwork supporting operation platform for construction of a water tank at the top of an inverted-cone-shaped water tower. The net rack type formwork supporting operation platform is characterized in that a tubular steel derrick is erected at a center frame of a water tower cylindrical body, a derrick ridge spar is 5m higher than the top of the water tank of the water tower, an inverted-cone-shaped steel net rack is installed around water tank ring supporting beams, and the overhang end of a primary truss in the net rack is connected with an outer ring beam of the derrick ridge spar through a steel wire rope in a pulling mode to form a stable and safe high-altitude cast-in-situ water tank formwork supporting system and the operation platform. The net rack type formwork supporting operation platform solves the problems that the inverted-cone-shaped water tower is difficult to construct, a traditional construction mode is long in construction period, construction efficiency is low and equipment investment cost is high, and is mainly applied to building construction of the water tank at the top of the inverted-cone-shaped water tower.
Description
Technical field
The utility model relates to architectural furniture, especially a kind of netted shuttering supporting operating platform for the construction of Invert Tapered Shell for Water Tower tower top water tank.
Background technology
Reinforced Concrete Invert Tapered Shell for Water Tower is to consist of the inverted cone-shaped water tank on water tower stack shell and tower top, because water tower is higher, its top upper water box diameter, much larger than tower body cylindrical shell part diameter, has surpassed standard and has filled the scaffolding height of being permitted while adopting common scaffold, have potential safety hazard.Existing job practices is: first the water tower stack shell is partly constructed complete, then on ground prefabricated water tank, then utilize Hydraulic Hoisting Technique that the water tank tower top of slinging is in place fixing.After this form of construction work will wait that water tank is prefabricated and completes, then with the fixed installation of hydraulic lifting system lifting water tank, the duration is longer, also needs to purchase a complete set of hydraulic lifting device, and investment is large, and cost is high.
Summary of the invention
The purpose of this utility model will solve steel reinforcement concrete water tower water tank cast-in-place construction difficulty exactly, duration is longer, the problem that the large cost of equipment investment is high, a kind of netted shuttering supporting operating platform for the construction of Invert Tapered Shell for Water Tower tower top water tank is provided, to realize at the direct cast-in-place construction water tank in water tower stack shell top, save integral hoisting construction, simplify construction technology.
Concrete scheme of the present utility model is: for the netted shuttering supporting operating platform of Invert Tapered Shell for Water Tower tower top water tank construction, include the steel reinforcement concrete water tower stack shell, water tank ring joist has been built at the top of water tower stack shell, it is characterized in that: the center at the water tower stack shell is erected with tubular derrick, and derrick sky deck-molding goes out water tower tank top 5m; The annular hanger that has been welded at water tower stack shell top, around annular hanger a plurality of shaped steel cantilever frame processed that has been welded, outwards open the upper end of cantilever frame, is in tilted layout, and between cantilever frame, is adopting shaped steel and reinforcing bar to be connected to form the bowl-type space truss structure in twos; The outer end of each cantilever frame adopts the outer-ring beam of steel wire tow line and derrick sky beam to socket; On derrick, be positioned at above water tank ring joist the annular supporting plate that has been welded, the many outwards supporting beams of radiation are housed on annular supporting plate, around the supporting beam many annular girders that have been welded, in the outer end of every supporting beam, adopt steel wire tow line and crown to socket, and on supporting beam, lay bamboo springboard formation water tank concrete pouring construction platform.
Encorbelment rack and the water tank cylindrical shell junction at the stack shell of water tower described in the utility model top are hangers, include the some strip-shaped steel plate built-in fittings that are embedded in 300mm place, water tower stack shell distance from top water tank ring joist below, the built-in fitting plate exposure, uniform around the water tower lower ring outside, around all built-in fitting slabs, be welded with a shaped steel ring beam; In water tank ring flat-plate bottom, be embedded with some reinforcing bars, reinforcing steel bars exposed is uniform around water tank ring joist, around all steel bar weldings, one steel perimeter beam is housed, and with angle steel, welds a whole hanger at two ring beams.
For convenience of construction, winding up of cantilever frame described in the utility model is stair shape structure, on the stair step surface of cantilever frame, is equipped with the bamboo springboard in twos.
Firm for the installation that guarantees derrick, the utility model is linked with safety protection facility in the periphery of rack.
The utility model support system and operating platform are easy to build, and are support system and the construction operation platform of water tank template, the investment less, and the high-altitude construction safety is convenient.Adopt this operating platform to carry out the construction of water tower tower top water tank, saved construction and maintenance, the lifting time of prefabricated water tank, shortened the construction period to greatest extent, saved simultaneously hanging device expense and labour cost, saved construction cost.
The accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present utility model.
In figure: 1-water tower stack shell, 2-water tank ring joist, 3-derrick, 4-water tank, 5-steel wire tow line, 6-annular girder, 7-supporting beam, 8-bamboo springboard, 9-annular supporting plate, 10-steel wire tow line, 11-stair shape structure, 12-safety guard net, 13-cantilever frame, 14-reinforcing bar, 15-steel perimeter beam, 16-angle steel supports, 17-shaped steel ring beam, 18-strip-shaped steel plate.
The specific embodiment
Referring to Fig. 1, after having constructed, water tower stack shell 1 and water tank ring flat-plate 2 build the utility model operating platform (relevant built-in fitting is pre-buried in advance, and derrick synchronously sets up with the cylindrical shell building height).The utility model operating platform includes steel reinforcement concrete water tower stack shell 1, water tank ring joist 2 has been built at the top of water tower stack shell 1, particularly: the centre frame at water tower stack shell 1 is provided with tubular derrick 3, derrick 3 highly surpasses tower top water tank 4 design height 5m, and annular hanger has been welded at water tower stack shell top; In being welded a plurality of steel cantilever frame 13(the present embodiment, annular hanger has 32), outwards open the upper end of cantilever frame 13, be in tilted layout, the angle of inclination of described cantilever frame equates (being also feasible by increasing or reducing) with the designed inclination angle degree of water tank bottom plate, between cantilever frame 13, adopting shaped steel to be connected with reinforcing bar pole in twos, form the bowl-type space truss structure; The outer end of each cantilever frame 13 adopts steel wire tow line 10 and derrick 3 top day beams to socket; On derrick 3, be positioned at above water tank ring joist 2 the annular supporting plate 9 that has been welded, the many outwards supporting beams 7 of radiation are housed on annular supporting plate 9, around the supporting beam 7 many annular girders 6 that have been welded, in the outer end of each supporting beam 7, adopt steel wire tow line 5 and derrick 3 tops to socket, and on supporting beam 7, lay bamboo springboard 8 formation water tank concrete pouring construction platforms.
The hanger at the stack shell of water tower described in the present embodiment 1 top includes the many strip-shaped steel plates 18 that are embedded in water tower stack shell 1 ring joist 2 300mm places, below, built-in fitting steel plate 18 exposes around water tower stack shell 1 outer wall uniform, is welded with a shaped steel ring beam 17 around all slabs; In water tank ring flat-plate 2 bottoms, be embedded with some reinforcing bars 14, reinforcing bar 14 exposes around water tank ring joist 2 uniform, around all reinforcing bars 14 steel perimeter beam 15 that has been welded, between steel perimeter beam 15 and shaped steel ring beam 17, adopts many angle steel to support 16 and is welded into whole hanger.
Winding up of cantilever frame described in the present embodiment 13 is stair shape structure 11, on the stair shape step surface 11 of cantilever frame 13, is equipped with bamboo springboard 8 in twos.
The 3 length and width sizes of tubular derrick described in the present embodiment are greater than the diameter of bore of water tank ring flat-plate 2, and the vertical rod of tubular derrick 3 is buried to be contained in water tank ring joist 2 and fixed.
In the present embodiment, be linked with safety guard net 12 in the periphery of cantilever frame 13.
It is as follows that application the utility model operating platform carries out water tank building operations flow process:
Lower conical shell template is installed: under water tank, the conical shell soffit formwork is by the thick steel form of trapezoidal 2mm of 275 typings, and according to outside dimension and radian in lower conical shell, splicing forms a back taper mutually.Every template has 2 L40 * 4 angle steel to form radially main joist, 4 L40 of lateral arrangement * 4 angle steel secondary joists between main joist.Keel shoe is located on the rack of encorbelmenting.
The template outside, and is enclosed (every circle 6 Ф 12) wire rope drag-lines with 2 and is connected with derrick sky beam to member by 10 roads (2 road Ф 20,8 road Ф 25) reinforcing bar makeup ring.
After concrete meets design strength, can carry out form removable work.
During the form removable of water tank lower casing, first the colligation of steel form piecemeal is fixed in water tank on the ring beam railing, then removes the hoop stirrup that Ф 25 reinforcing bars are welded, then remove the fixedly connecting bolt between the adjacent steel template, the steel form piecemeal is transported to the hanging basket place, is transported to ground by derrick.
Other operation construction is identical with the prefabricated water tank technique in ground.
Claims (6)
1. the netted shuttering supporting operating platform of constructing for Invert Tapered Shell for Water Tower tower top water tank, include the steel reinforcement concrete water tower stack shell, the water tank joist has been built at the top of water tower stack shell, it is characterized in that: the center at the water tower stack shell is erected with tubular derrick, and derrick sky deck-molding goes out water tower tank top 5m; The annular hanger that has been welded at water tower stack shell top, around annular hanger a plurality of shaped steel cantilever frame processed that has been welded, outwards open the upper end of cantilever frame, is in tilted layout, and between cantilever frame, is adopting shaped steel and reinforcing bar to be connected to form the bowl-type space truss structure in twos; The outer end of each cantilever frame adopts the outer-ring beam of steel wire tow line and derrick sky beam to socket; On derrick, be positioned at above water tank ring joist the annular supporting plate that has been welded, the many outwards supporting beams of radiation are housed on annular supporting plate, around the supporting beam many annular girders that have been welded, in the outer end of each supporting beam, adopt steel wire tow line and crown to socket, and on supporting beam, lay bamboo springboard formation water tank concrete pouring construction platform.
2. the netted shuttering supporting operating platform for Invert Tapered Shell for Water Tower tower top water tank construction according to claim 1, it is characterized in that: the hanger at described water tower stack shell top includes the some strip-shaped steel plate built-in fittings that are embedded in 300mm place, water tower stack shell distance from top water tank ring joist below, the built-in fitting plate exposure, uniform around water tower stack shell outer wall, around all slabs, be welded with a shaped steel ring beam; In water tank ring flat-plate bottom, be embedded with some reinforcing bars, reinforcing steel bars exposed is uniform around water tank ring joist, around all steel bar weldings, one steel perimeter beam is housed, and between shaped steel ring beam and steel perimeter beam, adopts many angle steel supporting welding one to form hanger.
3. the netted shuttering supporting operating platform for Invert Tapered Shell for Water Tower tower top water tank construction according to claim 1, it is characterized in that: winding up of described cantilever frame is stair shape structure, on the stair step surface of cantilever frame, is equipped with the bamboo springboard in twos.
4. the netted shuttering supporting operating platform for Invert Tapered Shell for Water Tower tower top water tank construction according to claim 1, it is characterized in that: described tubular derrick length and width size is greater than the diameter of bore of water tank ring joist, and the derrick vertical rod is embedded in water tank ring joist fixing.
5. the netted shuttering supporting operating platform for Invert Tapered Shell for Water Tower tower top water tank construction according to claim 1, it is characterized in that: the periphery at whole cantilever frame is linked with safety protection facility.
6. the netted shuttering supporting operating platform for Invert Tapered Shell for Water Tower tower top water tank construction according to claim 1, it is characterized in that: the angle of inclination of described cantilever frame equates with the designed inclination angle degree of water tank bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202732575U CN203308165U (en) | 2013-05-20 | 2013-05-20 | Net rack type formwork supporting operation platform for construction of water tank at top of inverted-cone-shaped water tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202732575U CN203308165U (en) | 2013-05-20 | 2013-05-20 | Net rack type formwork supporting operation platform for construction of water tank at top of inverted-cone-shaped water tower |
Publications (1)
| Publication Number | Publication Date |
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| CN203308165U true CN203308165U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202732575U Expired - Fee Related CN203308165U (en) | 2013-05-20 | 2013-05-20 | Net rack type formwork supporting operation platform for construction of water tank at top of inverted-cone-shaped water tower |
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| CN (1) | CN203308165U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291116A (en) * | 2013-05-20 | 2013-09-11 | 中国十五冶金建设集团有限公司 | Grid-type formwork supporting and operating platform for construction of water tank on top of inverted-cone water tower |
| CN104746860A (en) * | 2013-12-26 | 2015-07-01 | 青岛安装建设股份有限公司 | Water tank air cast-in-place method for inclined-pulling formwork of inverted cone water tower |
| CN104746644A (en) * | 2013-12-26 | 2015-07-01 | 青岛安装建设股份有限公司 | Internal and external double annular steel tube support seat |
| CN113882663A (en) * | 2021-10-18 | 2022-01-04 | 中国二十冶集团有限公司 | Template support device that encorbelments of water tower water tank |
-
2013
- 2013-05-20 CN CN2013202732575U patent/CN203308165U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291116A (en) * | 2013-05-20 | 2013-09-11 | 中国十五冶金建设集团有限公司 | Grid-type formwork supporting and operating platform for construction of water tank on top of inverted-cone water tower |
| CN103291116B (en) * | 2013-05-20 | 2015-09-02 | 中国十五冶金建设集团有限公司 | For the netted shuttering supporting operating platform of construction of water tank on top of inverted-cone water tower |
| CN104746860A (en) * | 2013-12-26 | 2015-07-01 | 青岛安装建设股份有限公司 | Water tank air cast-in-place method for inclined-pulling formwork of inverted cone water tower |
| CN104746644A (en) * | 2013-12-26 | 2015-07-01 | 青岛安装建设股份有限公司 | Internal and external double annular steel tube support seat |
| CN104746644B (en) * | 2013-12-26 | 2018-01-02 | 青岛安装建设股份有限公司 | A kind of internal and external double-circular shape steel pipe bearing |
| CN113882663A (en) * | 2021-10-18 | 2022-01-04 | 中国二十冶集团有限公司 | Template support device that encorbelments of water tower water tank |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20170520 |