CN204059199U - A kind of rear fulcrum cast-in-place cantilever hanging basket system for stayed-cable bridge - Google Patents
A kind of rear fulcrum cast-in-place cantilever hanging basket system for stayed-cable bridge Download PDFInfo
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- CN204059199U CN204059199U CN201420423754.3U CN201420423754U CN204059199U CN 204059199 U CN204059199 U CN 204059199U CN 201420423754 U CN201420423754 U CN 201420423754U CN 204059199 U CN204059199 U CN 204059199U
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- basket
- girder
- hanging basket
- joist
- fulcrum
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Abstract
The utility model relates to suspension cable bridge box girder construction field, refers to a kind of rear fulcrum cast-in-place cantilever hanging basket system for stayed-cable bridge particularly.Comprise main truss load bearing system, end basket, anchor system; Described main truss load bearing system is connected with end basket by anchor system, basket of the whole end is supported by main truss load bearing system, vertical beam position in the corresponding main truss load bearing system in the front end of concreting case beam arranges rear fulcrum, and front beam forms cantilever pouring system as front fulcrum.The utility model, by being anchored on rear cross beam by Hanging Basket, solving anchor pole and directly can not be anchored in a difficult problem on girder, improve Hanging Basket use safety.Extension leg is set at rear joist lateral rear, and walks secondary rail in girder arranged outside, overcome the impact that traditional walking manner stops by two rope faces.By using rear-support hanging basket to build on suspension cable bridge, reducing the difficulty of construction, improve efficiency of construction.
Description
Technical field
The utility model relates to suspension cable bridge box girder construction field, refers to a kind of rear fulcrum cast-in-place cantilever hanging basket system for stayed-cable bridge particularly.
Background technology
Hanging Basket is as the major process unit of concrete beam case-in-place cantilever method, and it mainly forms has: main truss load bearing system, anchor system, suspension system, running gear, template system and end basket.Its principle is, by Hanging Basket, concrete load to be cast is effectively transferred to the Concrete Beam Segment poured into a mould.Existing Hanging basket on front support is used for cable stayed bridge, the type Hanging Basket adopts main longitudinal grider and crossbeam to form carrying platform, general suspension cable is arranged on case beam main rib, and main longitudinal grider is corresponding with suspension cable position, but it is inapplicable to be arranged in for suspension cable the girder chosen greatly on arm configuration.The type Hanging Basket adopts the piston shoes be arranged in C type extension leg to be supported on girder outer top surface, and the mode arranging anti-roller at afterbody is walked, and this walking manner is higher to the requirement of strength outside girder, when outside is that when choosing greatly arm configuration, this walking manner is inapplicable.After during tradition rear-support hanging basket fluid concrete, anchor point is directly anchored in bridge floor, but inapplicable to section box girder construction of growing up, and adopt overhanging suspension rod to suspend end basket in midair during walking, this form is inapplicable to two rope faces main beam structure.
Summary of the invention
The purpose of this utility model is exactly the deficiency that will solve above-mentioned background technology, provides a kind of rear fulcrum cast-in-place cantilever hanging basket system for stayed-cable bridge.
The technical solution of the utility model is: a kind of rear fulcrum cast-in-place cantilever hanging basket system for stayed-cable bridge, is characterized in that: comprise main truss load bearing system, anchor system and end basket;
Described main truss load bearing system comprises the two Pin plane trigonometry truss be symmetrical set, every Pin plane trigonometry truss comprises vertical beam, the girder steel box-girder arranged along bridge floor direction be fixed on vertical beam, one end connect the vertical beam upper end other end connect girder steel box-girder front end before oblique pull beam, one end connect the straining beam that retreads that the vertical beam upper end other end connects girder steel box-girder rear end; Two described girder steel box-girder front end is provided with front beam, centre is provided with rear cross beam; Point on the case beam of having built that described vertical beam lower end vertical lower is corresponding is as rear fulcrum; Described rear fulcrum is arranged on above the walking backbone that is fixed on and builds case beam upper end;
Described anchor system comprises the front anchor rod be arranged on front beam and the rear anchor rod be arranged on rear cross beam;
Basket rear end, the described end is fixed on rear cross beam by rear anchor rod, front end is fixed on front beam by front anchor rod, and rear portion, basket both sides, the end is provided with extension leg; Described extension leg upper end is built the secondary rail of walking on case beam and is contacted with being arranged on, and lower end is fixed on the rear end, both sides of end basket.
The connection beam that further described end basket comprises front joist, rear joist and is arranged on front joist and rear joist; Described front joist is fixed on front beam by front anchor rod; Described rear joist is fixed on rear cross beam by rear anchor rod, and the two ends of rear joist are provided with and hang leg mount pad.
The upper end of two further described girder steel box-girder is provided with moved cross beam.
Interim connecting rod is provided with between further described extension leg upper end and front beam.
The utility model, by being anchored on rear cross beam by Hanging Basket, solving anchor pole and directly can not be anchored in a difficult problem on girder, improve Hanging Basket use safety.Extension leg is set at rear joist lateral rear, and walks secondary rail in girder arranged outside, overcome the impact that traditional walking manner stops by two rope faces.By using rear-support hanging basket to build on suspension cable bridge, reducing the difficulty of construction, improve efficiency of construction.
Accompanying drawing explanation
Fig. 1: structural representation of the present utility model:
Fig. 2: A-A structural representation of the present utility model:
Fig. 3: B-B structural representation of the present utility model:
Fig. 4: the lateral view of the utility model main truss load bearing system:
Fig. 5: the top view of the utility model main truss load bearing system:
Fig. 6: walking structure schematic diagram of the present utility model:
Fig. 7: the end of the present utility model basket lateral view:
Fig. 8: the end of the present utility model basket top view:
Wherein: 1-main truss load bearing system; 1.1-vertical beam; 1.2-girder steel box-girder; 1.3-front cant beam; 1.4-rear cant beam; 1.5-front beam; 1.6-rear cross beam; 1.7-moved cross beam; 2-anchor rod; 3-anchor hole; 4-end basket; 4.1-rear joist; 4.2-front joist; 4.3-connection beam; 4.4-end basket longeron; 4.5-hang leg mount pad; 5-hang leg; 6-case beam; 7-external mold template; 8-inside molding plate; 9-secondary rail of walking; 10-interim connecting rod; 11-walking backbone; 12-dolly; 13-internal mold bracing frame; 14-external mold bracing frame.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Fig. 1 ~ 8, a kind of rear fulcrum cast-in-place cantilever hanging basket system for stayed-cable bridge, is characterized in that: comprise main truss load bearing system 1, anchor rod 2, anchor hole 3 and end basket 4;
Main truss load bearing system 1 comprises the two Pin plane trigonometry truss be symmetrical set, every Pin plane trigonometry truss comprises vertical beam 1.1, the girder steel box-girder 1.2 arranged along bridge floor direction be fixed on vertical beam 1.1, one end connect the vertical beam 1.1 upper end other end connect girder steel box-girder 1.2 front end before oblique pull beam 1.3, one end connect the straining beam 1.4 that retreads that the vertical beam 1.1 upper end other end connects girder steel box-girder 1.2 rear end; The upper end of two described girder steel box-girder 1.2 is provided with front beam 1.5, the rear cross beam 1.6 of vertical bridge floor trend.Main truss load bearing system 1 mainly supports whole Hanging Basket system by the crossbeam be fixed on bridge floor.
In case beam 6 front end of having built, corresponding vertical beam 1.1 position arranges rear fulcrum, and by the supporting role supporting cantilever Hanging Basket of rear fulcrum, the weight being about to the concrete box girder of also not built is transferred on the case beam 6 of having built.
Build case beam 6 upper end and be provided with walking backbone 11, namely rear fulcrum is arranged on above walking backbone 11, walking backbone 11 is arranged along the direction of case beam 6, main truss load bearing system 1 can be extended forward along the direction of concreting smoothly by walking backbone 11, remain that rear fulcrum is positioned at the front end of building case beam 6, supporting cantilever Hanging Basket system.
Anchor system comprises the anchor rod being arranged at girder steel box-girder 1.2, front beam 1.5 and the multiple anchor holes 3 on rear cross beam 1.6 and being fixedly connected with anchor hole 3 through anchor hole 3 with Duo Gen.Anchor rod comprises the front anchor rod 2.1 be fixed on front beam 1.5 and the rear anchor rod 2.2 be fixed on rear cross beam 1.6, and is fixed on the side anchor rod 2.3. on girder steel box-girder 1.2
The Main Function support base basket 4 of anchor system.End basket system is fixed on rear cross beam 1.6 by main feature of the present utility model exactly, and such anchorage style greatly reduces the power directly acted on the more weak position of pouring box beam, alleviates the local pressure of case beam.
End basket 4 rear end is fixed on rear cross beam 1.6 by rear anchor rod 2.2, front end is fixed on front beam 1.5 by front anchor rod 2.1, the connection beam 4.3 that described end basket 4 comprises front joist 4.2, rear joist 4.1 and is arranged on front joist 4.2 and rear joist 4.1; Be provided with many foundation basket longeron 4.4 between two connection beam be parallel to each other 4.3, the Main Function of end basket longeron 4.4 is support box beam bottom templates.
Front joist 4.2 is provided with multiple anchor hole 3, is fixed on front beam 1.5 by front anchor rod 2.1; Described rear joist 4.1 is provided with multiple anchor hole 3, is fixed on rear cross beam 1.6 by rear anchor rod 2.2, and the two ends of rear joist 4.1 are provided with and hang leg mount pad 4.5.End basket 4 can be made according to the size of case beam 6, and end basket is positioned at the bottom of case beam to be built, in order to support the concrete of building.
Rear portion, end basket 4 both sides is provided with and hangs leg 5, and described extension leg 5 upper end is fixed on and is arranged on the secondary rail 9 of the walking of building on case beam 6, the sidepiece of basket 4 at the bottom of the connection of lower end.The Main Function hanging leg 5 is the support giving side when Hanging Basket is walked in the rear end of end basket 4, makes the distribution of weight of end basket 4 to the outside of case beam, the weight of entirety is transferred on the case beam 6 of having built.
Hang leg 5 to be fixedly connected with end basket 4, when walking forward, extension leg 5 keeps relative with end basket 4 to be fixed, the upper end hanging leg 5 contacts with the secondary rail 9 of walking, and at forward slip on secondary rail 9 of walking, walk the arrangement direction of secondary rail 9 be along bridge floor move towards settle, stagger with suspension cable, interfere to prevent from producing with suspension cable in the process of walking.The rear end, both sides that extension leg 5 is arranged on end basket 4 mainly can produce supporting role by the effect of hanging leg 5 to the rear end of end basket 4.Thus the problem that when solving Hanging Basket walking, rear portion and suspension cable are interfered.
In order to ensure to hang leg 5 at longitudinal direction and main truss load bearing system synchronizing moving, be provided with interim connecting rod 10, one end of interim connecting rod 10 is fixed on the upper end hanging leg 5, and the other end is fixed on front beam 1.5, avoids extension leg 5 walk asynchronous with main truss load bearing system by the contact effect of interim connecting rod 10.
The moved cross beam 1.7 of vertical bridge floor trend is provided with between front beam 1.3, rear cross beam 1.4, moved cross beam 1.7 can adjusting position as required, after main truss load bearing system 1 is in place, the Main Function of moved cross beam 1.7 is exactly fix inside molding plate 8 in template system (as shown in Figures 2 and 3 by anchor rod 2, be located at the inside molding plate 8 in case beam 6 and the external mold template 7 under being arranged at case beam 6 liang of coxostermums in template system comprises, inside molding plate 8 and external mold template 7 are fixed on main truss load bearing system 1 by side anchor rod 2.3.Template system mainly arranges template and facilitates concrete casting process.Inside molding plate 8 and external mold template 7 are equipped with template frame and support.The below of inside molding plate 8 is provided with below the internal mold bracing frame 13 of support internal mould template 8, external mold template 7 and is provided with external mold bracing frame 14, pulley structure is provided with below internal mold bracing frame 13, when internal mold bracing frame 13 is walked forward, directly drawn by pulley structure and walk forward.), tie point is the centre position of inside molding plate 8, can reduce inside molding plate 8 like this in casting process, occur distortion.Moved cross beam 1.7 is connected with the front end of internal mold bracing frame 14 when internal mold bracing frame 14 is walked forward in addition, front fulcrum when moved cross beam 1.7 is walked forward as internal mold bracing frame 14.
During installation, by front anchor rod 2.1, rear anchor rod 2.2 and hang leg 5 end basket 4 is fixed, by side anchor rod 2.3, inside molding plate 8 and external mold template 7 are fixed, then on template concreting, produce bridge floor.After having built, remove the rear anchor rod 2.2 through bridge floor and side anchor rod 2.3, main truss load bearing system 1 and end basket 4 is moved by walking backbone 11 and the secondary rail 9 of walking, in addition, internal mold bracing frame 13 and external mold bracing frame 14 are asynchronous walking with main truss load bearing system 1, mainly there is excessive power of toppling in walking process to prevent, affecting Hanging Basket walking safety.
The utility model, by being anchored on rear cross beam by Hanging Basket, solving anchor pole and directly can not be anchored in a difficult problem on girder, improve Hanging Basket use safety.Extension leg is set at rear joist lateral rear, and walks secondary rail in girder arranged outside, overcome the impact that traditional walking manner stops by two rope faces.By using rear-support hanging basket to build on suspension cable bridge, reducing the difficulty of construction, improve efficiency of construction.
Claims (4)
1. for a rear fulcrum cast-in-place cantilever hanging basket system for stayed-cable bridge, it is characterized in that: comprise main truss load bearing system (1), anchor system and end basket (4);
Described main truss load bearing system (1) comprises the two Pin plane trigonometry truss be symmetrical set, and the front oblique pull beam (1.3) that every Pin plane trigonometry truss comprises vertical beam (1.1), the girder steel box-girder (1.2) arranged along bridge floor direction be fixed on vertical beam (1.1), connection vertical beam (1.1) upper end, one end other end connect girder steel box-girder (1.2) front end, one end connect the straining beam that retreads (1.4) that vertical beam (1.1) the upper end other end connects girder steel box-girder (1.2) rear end; The front end of two described girder steel box-girder (1.2) is provided with front beam (1.5), centre is provided with rear cross beam (1.6); Point on the case beam (6) of having built that described vertical beam (1.1) lower end vertical lower is corresponding is as rear fulcrum; Described rear fulcrum is arranged on walking backbone (11) top being fixed on and building case beam (6) upper end;
Described anchor system comprises the front anchor rod (2.1) be arranged on front beam (1.5) and the rear anchor rod (2.2) be arranged on rear cross beam (1.6);
Basket (4) rear end, the described end is fixed on rear cross beam (1.6) by rear anchor rod (2.2), front end is fixed on front beam (1.5) by front anchor rod (2.1), and end basket (4) rear portion, both sides is provided with and hangs leg (5); Described extension leg (5) upper end is built the secondary rail (9) of walking on case beam (6) and is contacted with being arranged on, and lower end is fixed on the rear end, both sides of end basket (4).
2. if claim 1 one kind is for the rear fulcrum cast-in-place cantilever hanging basket system of stayed-cable bridge, it is characterized in that: the connection beam (4.3) that described end basket (4) comprises front joist (4.2), rear joist (4.1) and is arranged on front joist (4.2) and rear joist (4.1); Described front joist (4.2) is fixed on front beam (1.5) by front anchor rod (2.1); Described rear joist (4.1) is fixed on rear cross beam (1.6) by rear anchor rod (2.2), and the two ends of rear joist (4.1) are provided with and hang leg mount pad (4.5).
3. if claim 1 one kind is for the rear fulcrum cast-in-place cantilever hanging basket system of stayed-cable bridge, it is characterized in that: the upper end of two described girder steel box-girder (1.2) is provided with moved cross beam (1.7).
4. if claim 1 one kind is for the rear fulcrum cast-in-place cantilever hanging basket system of stayed-cable bridge, it is characterized in that: between described extension leg (5) upper end and front beam (1.5), be provided with interim connecting rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420423754.3U CN204059199U (en) | 2014-07-30 | 2014-07-30 | A kind of rear fulcrum cast-in-place cantilever hanging basket system for stayed-cable bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420423754.3U CN204059199U (en) | 2014-07-30 | 2014-07-30 | A kind of rear fulcrum cast-in-place cantilever hanging basket system for stayed-cable bridge |
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| Publication Number | Publication Date |
|---|---|
| CN204059199U true CN204059199U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420423754.3U Expired - Fee Related CN204059199U (en) | 2014-07-30 | 2014-07-30 | A kind of rear fulcrum cast-in-place cantilever hanging basket system for stayed-cable bridge |
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| CN (1) | CN204059199U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360395A (en) * | 2018-04-27 | 2018-08-03 | 中交武汉港湾工程设计研究院有限公司 | A kind of bridge is grown up section box girder construction hanging basket, the concrete box girder construction structure of Hanging Basket, the steel box girder construction structure of Hanging Basket |
| CN111042003A (en) * | 2019-12-02 | 2020-04-21 | 中铁广州工程局集团有限公司 | Construction method of cable-stayed bridge concrete beam combined hanging basket |
| CN113250088A (en) * | 2021-05-19 | 2021-08-13 | 安徽省路港工程有限责任公司 | Construction method of large hanging basket of large-span wide-width cast-in-place box girder in complex water area |
-
2014
- 2014-07-30 CN CN201420423754.3U patent/CN204059199U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360395A (en) * | 2018-04-27 | 2018-08-03 | 中交武汉港湾工程设计研究院有限公司 | A kind of bridge is grown up section box girder construction hanging basket, the concrete box girder construction structure of Hanging Basket, the steel box girder construction structure of Hanging Basket |
| CN111042003A (en) * | 2019-12-02 | 2020-04-21 | 中铁广州工程局集团有限公司 | Construction method of cable-stayed bridge concrete beam combined hanging basket |
| CN113250088A (en) * | 2021-05-19 | 2021-08-13 | 安徽省路港工程有限责任公司 | Construction method of large hanging basket of large-span wide-width cast-in-place box girder in complex water area |
| CN113250088B (en) * | 2021-05-19 | 2022-11-15 | 安徽省路港工程有限责任公司 | Construction method of large hanging basket of large-span wide-width cast-in-place box girder in complex water area |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20141231 Termination date: 20200730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |