CN203247506U - Bridge high-pier construction creeping formwork internal formwork lifting frame - Google Patents
Bridge high-pier construction creeping formwork internal formwork lifting frame Download PDFInfo
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- CN203247506U CN203247506U CN2013202270542U CN201320227054U CN203247506U CN 203247506 U CN203247506 U CN 203247506U CN 2013202270542 U CN2013202270542 U CN 2013202270542U CN 201320227054 U CN201320227054 U CN 201320227054U CN 203247506 U CN203247506 U CN 203247506U
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Abstract
The utility model relates to the field of bridge construction, in particular to a bridge high-pier construction creeping formwork internal formwork lifting frame which solves the problems that in the bridge high-pier construction process, an existing creeping formwork inner frame erecting method has safety risks and is low in construction efficiency. The creeping formwork internal formwork lifting frame comprises at least two rows of longitudinal main rods arranged in a pier body, cross rods connected with the upper portion of each row of longitudinal main rods in a three-face all-around welding mode, the two ends of adjacent cross rods are connected through a connecting rod, and a load bearing rod with the two ends respectively arranged on a pier body stiff skeleton is movably inserted under the crossed portion of one main rod and one cross rod. A concrete pouring platform and at least one layer of reinforcing steel bar formwork construction platform are arranged along the main rods from top to bottom, and a creeping ladder is arranged between adjacent platforms. The structure is simple, the design is reasonable, manufacturing cost is low, the bridge high-pier construction creeping formwork internal formwork lifting frame can be used for construction of any hollow thin-wall piers with stiff skeletons, the construction period is shortened, construction cost is saved, and safety of construction staff is guaranteed.
Description
Technical field
The utility model relates to field of bridge construction, is specially a kind of Bridge High-pier construction creeping formwork internal mold suspension bracket.
Background technology
Usually bridge hollow thin-wall pier adopts climbing formwork for construction technique, pier shaft have up to 143m, every sections is built height 4.5m.Tradition creeping formwork internal frame erection method is to utilize a upper sections TOC embedded hole (D=40mm) to penetrate Φ 32 reinforcing bars as support bar, in reinforcing bar top colligation bamboo springboard, forms operation platform.There is following shortcoming in this erection method:
1, set up reinforcing bar bamboo springboard operation platform and have higher security risk, the constructor need to fasten the safety belt to stand in and lay the bamboo springboard on the reinforcing bar, and falling accident occurs easily;
2, the every segmental construction height of pier shaft 4.5m, and the internal mold chord position in the construction sections the bottom, the constructor stands on the interior mould bases, can't satisfy the colligation of sections upper reinforcement and template construction.Φ 32 reinforcing bars vertically need to be inserted in the completed reinforcing bar in bottom during assembling reinforcement, the constructor carries out the upper reinforcement colligation above being sitting in Φ 32 reinforcing bars, has higher security risk, can't satisfy the top and the bottom reinforcing bar simultaneously and construct simultaneously, and efficiency of construction is low; When masterplate was worn pull bar, the constructor must stand on the template back arris of bottom, penetrated upper mould to pull bar, had higher security risk.
Summary of the invention
There are the problems such as security risk, efficiency of construction are low in the utility model creeping formwork internal frame erection method when solving existing Bridge High-pier construction, and a kind of Bridge High-pier construction creeping formwork internal mold suspension bracket is provided.
The utility model is to adopt following technical scheme to realize: Bridge High-pier construction creeping formwork internal mold suspension bracket, comprise that being arranged at least two in the pier shaft arranges vertical main force bar, arranges the cross bar that three weld all arounds are carried out on vertical main force bar top with each, the adjacent crossbars two ends connect by connecting rod respectively, and the infall underside of main force's bar and cross bar is inserted with two ends and is set up in respectively bearing bar on the pier shaft stiff skeleton; Be provided with concrete pouring construction platform and one deck reinforcing bar template construction platform at least from top to bottom along main force's bar, be provided with cat ladder between the adjacent platforms.
Be provided with guardrail around the described reinforcing bar template construction platform, guarantee constructor's safety.
Described cross bar is provided with suspension ring, the cross bar two ends are connected with the pier shaft stiff skeleton with snap ring by steel wire loop, whole internal mold suspension bracket can be sling by suspension ring and tower crane, and the setting of steel wire loop and snap ring can further strengthen the stability of whole suspension bracket on the cross bar, guarantees constructor's safety.
Adopt structure design of the present utility model, this internal mold suspension bracket utilizes hollow thin-wall pier own characteristic, hang on the pier shaft stiff skeleton, after a upper sections concrete construction is finished, utilize the tower crane internal mold suspension bracket of slinging, the constructor extracts bearing bar out, when tower crane winches to next sections top with the internal mold suspension bracket, bearing bar is inserted the cross bar below, compared with prior art, the utlity model has following advantage:
1, economic benefit
(1) promote interior mould bases and can be finished in 20 minutes by two workmans, set up interior mould bases method with tradition and compare, every sections can be saved 1.5 hours;
(2) constructor may stand on each platform of internal mold suspension bracket and carries out reinforcing bar binding and template construction, has saved the time, has saved cost, and assembling reinforcement needs every sections can save 5 hours; Mi water river grand bridge hollow thin-wall pier amounts to 765.5m, every sections 4.5m, and 170 sections were saved time 1105 hours altogether.
2, social benefit
Adopt new internal mold suspension bracket, constructor's assembling reinforcement, installation form, concreting are in the suspension bracket of sealing, all are provided with guard rail on every side, and any operation can stand on the platform and finish, greatly improve constructor's inherently safe, avoided the generation of falling accident;
In a word, the utility model is simple in structure, reasonable in design, cost of manufacture is low, can be used for any hollow thin-wall pier construction that stiff skeleton is arranged, and has shortened the duration, has saved construction cost, has guaranteed again constructor's safety.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is use state elevation of the present utility model;
Fig. 3 is use state side view of the present utility model;
Among the figure: the vertical main force of 1-bar; The 2-cross bar; The 3-connecting rod; 4-pier shaft stiff skeleton; The 5-bearing bar; 6-concrete pouring construction platform; 7-reinforcing bar template construction platform; The 8-cat ladder; The 9-guardrail; The 10-suspension ring; The 11-steel wire loop; The 12-snap ring; The 13-creeping formwork; 14-has finished sections.
The specific embodiment
Bridge High-pier construction creeping formwork internal mold suspension bracket, as shown in Figure 1, 2, 3, comprise that being arranged at least two in the pier shaft arranges vertical main force bar 1, arranges the cross bar 2 that three weld all arounds are carried out on vertical main force bar top with each, the adjacent crossbars two ends connect by connecting rod 3 respectively, and the infall underside of main force's bar and cross bar is inserted with two ends and is set up in respectively bearing bar 5 on the pier shaft stiff skeleton 4; Be provided with concrete pouring construction platform 6 and one deck reinforcing bar template construction platform 7 at least from top to bottom along main force's bar, be provided with cat ladder 8 between the adjacent platforms, be provided with guardrail 9 around the reinforcing bar template construction platform 7, cross bar 2 is provided with suspension ring 10, is connected with snap ring and is connected with pier shaft stiff skeleton 4 by steel wire loop 11 in the cross bar two ends.
During concrete the making, can adopt following methods and structure:
3 groups of bearing bars, every group is welded mouth to mouth by two ∠ 100*100*10mm angle steel, and cross section forms " mouth " font, is interrupted welding 10cm*10cm, needs to weld Φ 32 reinforcing bars in the angle steel, and spacing is 30cm, the compressive strength of raising angle steel;
6 groups on main force's bar, every group is made of a ∠ 100*100*10mm angle steel;
2 groups of cross bars, every group is made of a ∠ 100*100*10mm angle steel, carries out three weld all arounds, weld bead height 1cm with main force bar;
2 groups of connecting rods, every group is made of a ∠ 100*100*10mm angle steel, carries out three weld all arounds, weld bead height 1cm with cross bar;
4 groups on steel mesh reinforcement platform, top layer be as concrete casting platform, below three layers as reinforcing bar binding, template construction platform, check during Pouring concrete at the same time whether template has loosening to pull bar.Every group is welded by Φ 32 reinforcing bars and Φ 20 reinforcing bars, and the above completely spreads the bamboo springboard, and bamboo springboard and reinforcing bar binding are firm;
3 groups of cat ladders, every group of cat ladder handrail is formed by connecting by steel pipe (d=48mm), laterally uses the cruciform fastening for falsework joint steel pipe;
3 groups of guardrails, every group is welded by Φ 20 reinforcing bars and Φ 12 reinforcing bars, and the below arranges the high foot guard plate of 30cm;
4 groups on suspension ring, every group is made by φ 20 plain bars, and suspension ring need to weld with cross bar, and double welding need satisfy 10cm;
4 groups of steel wire loops, length 1m, (4) are used with snap ring.
Claims (3)
1. Bridge High-pier construction creeping formwork internal mold suspension bracket, it is characterized in that comprising that being arranged at least two in the pier shaft arranges vertical main force bars (1), arranges the cross bar (2) that three weld all arounds are carried out on vertical main force bar top with each, the adjacent crossbars two ends connect by connecting rod (3) respectively, and the infall underside of main force's bar and cross bar is inserted with two ends and is set up in respectively bearing bar (5) on the pier shaft stiff skeleton (4); Be provided with concrete pouring construction platform (6) and one deck reinforcing bar template construction platform (7) at least from top to bottom along main force's bar, be provided with cat ladder (8) between the adjacent platforms.
2. Bridge High-pier construction creeping formwork internal mold suspension bracket according to claim 1 is characterized in that reinforcing bar template construction platform (7) is provided with guardrail (9) all around.
3. Bridge High-pier construction creeping formwork internal mold suspension bracket according to claim 1 and 2 is characterized in that cross bar (2) is provided with suspension ring (10), and the cross bar two ends are connected 12 by steel wire loop (11) with snap ring) be connected with pier shaft stiff skeleton (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202270542U CN203247506U (en) | 2013-04-28 | 2013-04-28 | Bridge high-pier construction creeping formwork internal formwork lifting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202270542U CN203247506U (en) | 2013-04-28 | 2013-04-28 | Bridge high-pier construction creeping formwork internal formwork lifting frame |
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| Publication Number | Publication Date |
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| CN203247506U true CN203247506U (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013202270542U Expired - Fee Related CN203247506U (en) | 2013-04-28 | 2013-04-28 | Bridge high-pier construction creeping formwork internal formwork lifting frame |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938856A (en) * | 2014-04-09 | 2014-07-23 | 中国化学工程第十三建设有限公司 | Tower structure slip-form construction operation platform free of bracing pieces and construction method |
| CN104195954A (en) * | 2014-08-29 | 2014-12-10 | 上海建工七建集团有限公司 | Overhead stand column construction platform without support and erecting method thereof |
| CN104878700A (en) * | 2015-06-23 | 2015-09-02 | 广东省水利水电第三工程局有限公司 | Truss and formwork |
| CN105586833A (en) * | 2015-12-18 | 2016-05-18 | 上海嘉实（集团）有限公司 | Construction method for integrally forming large cast-in-place thin-wall high pier through stiff skeleton reinforcement cage |
| CN106012811A (en) * | 2016-06-14 | 2016-10-12 | 江苏燕宁建设工程有限公司 | Construction method for integrally binding and hoisting reinforcing bars for pier body of vase type bridge pier |
| CN106760567A (en) * | 2017-01-13 | 2017-05-31 | 山东中煤能源机械有限责任公司 | A kind of shear wall aluminum alloy mould plate fixes hanging apparatus |
| CN107059633A (en) * | 2015-12-14 | 2017-08-18 | 中铁上海工程局集团有限公司 | A kind of construction method of minimum spacing separate type Thin-Wall Piers |
| CN108842637A (en) * | 2018-08-30 | 2018-11-20 | 中铁六局集团广州工程有限公司 | Frame built in solid pier pier shaft and solid pier pier construction method |
| CN114214954A (en) * | 2021-12-23 | 2022-03-22 | 广东科能工程管理有限公司 | Construction method of municipal elevated bridge cast-in-situ pier |
| CN114561880A (en) * | 2022-03-02 | 2022-05-31 | 中铁大桥局武汉桥梁特种技术有限公司 | Method for modifying loading dock |
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2013
- 2013-04-28 CN CN2013202270542U patent/CN203247506U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938856B (en) * | 2014-04-09 | 2015-09-02 | 中国化学工程第十三建设有限公司 | A kind of tower-like structure are without support bar slding form operation operating platform and construction method |
| CN103938856A (en) * | 2014-04-09 | 2014-07-23 | 中国化学工程第十三建设有限公司 | Tower structure slip-form construction operation platform free of bracing pieces and construction method |
| CN104195954B (en) * | 2014-08-29 | 2016-08-24 | 上海建工七建集团有限公司 | Overhead column erection without scaffolding platform and erection method thereof |
| CN104195954A (en) * | 2014-08-29 | 2014-12-10 | 上海建工七建集团有限公司 | Overhead stand column construction platform without support and erecting method thereof |
| CN104878700A (en) * | 2015-06-23 | 2015-09-02 | 广东省水利水电第三工程局有限公司 | Truss and formwork |
| CN107059633A (en) * | 2015-12-14 | 2017-08-18 | 中铁上海工程局集团有限公司 | A kind of construction method of minimum spacing separate type Thin-Wall Piers |
| CN105586833B (en) * | 2015-12-18 | 2017-03-29 | 上海嘉实（集团）有限公司 | Stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall construction method |
| CN105586833A (en) * | 2015-12-18 | 2016-05-18 | 上海嘉实（集团）有限公司 | Construction method for integrally forming large cast-in-place thin-wall high pier through stiff skeleton reinforcement cage |
| CN106012811A (en) * | 2016-06-14 | 2016-10-12 | 江苏燕宁建设工程有限公司 | Construction method for integrally binding and hoisting reinforcing bars for pier body of vase type bridge pier |
| CN106760567A (en) * | 2017-01-13 | 2017-05-31 | 山东中煤能源机械有限责任公司 | A kind of shear wall aluminum alloy mould plate fixes hanging apparatus |
| CN108842637A (en) * | 2018-08-30 | 2018-11-20 | 中铁六局集团广州工程有限公司 | Frame built in solid pier pier shaft and solid pier pier construction method |
| CN114214954A (en) * | 2021-12-23 | 2022-03-22 | 广东科能工程管理有限公司 | Construction method of municipal elevated bridge cast-in-situ pier |
| CN114214954B (en) * | 2021-12-23 | 2023-08-25 | 广东科能工程管理有限公司 | Construction method of municipal viaduct cast-in-situ pier |
| CN114561880A (en) * | 2022-03-02 | 2022-05-31 | 中铁大桥局武汉桥梁特种技术有限公司 | Method for modifying loading dock |
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Legal Events
| 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 |
Granted publication date: 20131023 Termination date: 20210428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |