CN206030177U - Precast box girder prevents centre form come -up structure - Google Patents
Precast box girder prevents centre form come -up structure Download PDFInfo
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- CN206030177U CN206030177U CN201620998872.6U CN201620998872U CN206030177U CN 206030177 U CN206030177 U CN 206030177U CN 201620998872 U CN201620998872 U CN 201620998872U CN 206030177 U CN206030177 U CN 206030177U
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Abstract
The utility model relates to a precast box girder prevents centre form come -up structure, including case roof beam and pedestal, the case roof beam is fixed in the upper end of pedestal, and the case roof beam includes centre form and external mold, the centre form setting in the external mold, its characterized in that: still include the anchor reinforcing bar and the lumps of wood, the upper end of anchor reinforcing bar is provided with the external screw thread and sets up in the case roof beam, and the lower extreme of anchor reinforcing bar is fixed in the pedestal, and the bottom with the case roof beam on the axis of the lumps of wood all is provided with the through -hole, and anchor reinforcing bar suit still is provided with the upper end of nut emboitement at the anchor reinforcing bar in the top of the lumps of wood in the bottom through -hole of the lumps of wood and case roof beam. The operating time of the reducible pressure thick stick of the device's use, can be fixed in the pedestal with the centre form when establishing the centre form on, play the effect that prevents the centre form come -up, easy and simple to handle, swift, can guarantee that the centre form does not float, guard box back plate thickness.
Description
Technical field
This utility model is related to the technical field of bridge construction, and particularly a kind of prefabricated case beam prevents internal model floating structure.
Background technology
In bridge construction, when prefabricated case beam is poured, generally prevent internal model from floating using pressure thick stick, the method speed of application is slow,
The change of box beam size must just re-work pressure thick stick, press the selection of thick stick to need to select different cross section chi according to various sizes of box beam
It is very little, install and remove cumbersome, pressure thick stick is removed in concreting after finishing initial set when, supporting leg can leave hole, affect box beam top
The degree of compaction of board concrete；Pressure thick stick be connected with external mold deal with improperly be easily caused internal model floating and top plate thickness deficiency.
Utility model content
The purpose of this utility model is to provide one kind and overcomes the deficiencies in the prior art, and simple structure is easy to use, it is ensured that case
The thickness of back plate and prevent internal model float prefabricated case beam prevent internal model floating structure.
In order to complete above-mentioned purpose, the technological means taken by this utility model are：
A kind of prefabricated case beam prevents internal model floating structure, and including box beam and pedestal, box beam is fixed on the upper end of pedestal, box beam
Including internal model and external mold, internal model is arranged in external mold, and also including anchor bar and the lumps of wood, the upper end of anchor bar is provided with outer spiral shell
Stricture of vagina and it is arranged in box beam, the lower end of anchor bar is fixed in pedestal, all arranges with the bottom of box beam on the axis of the lumps of wood
There is through hole, anchor bar is sleeved in the bottom through-hole of the lumps of wood and box beam, is additionally provided with nut anchor is sleeved on above the lumps of wood
Gu the upper end of reinforcing bar.
Described anchor bar generally L-shaped, the bottom that anchor bar is fixed in pedestal are 90 ° of right angle bending knot
Structure.
The lateral wall of described anchor bar is set with PVC sleeve pipes, and PVC sleeve pipes are arranged on the bottom of box beam and its length etc.
In the internal model and the thickness sum of external mold bottom of box beam.
The number of described anchor bar is multiple and the axis distribution along box beam, the spacing of adjacent two anchor bars
For 1-1.5 rice.
Pad is additionally provided between the described lumps of wood and nut.
The beneficial effects of the utility model are：Transformed on the basis of existing prefabricated case beam pedestal and inner and outer template,
Pre-buried anchor bar in pedestal, its spacing determine that according to the internal model buoyancy for calculating anchor bar bottom sets 90 ° of right angle bending
Structure is fully anchored with pedestal concrete, and top sets screw thread matching nut and pad, pedestal exposed parts anchor bar overcoat
Pvc pipe, pvc pipe length are consistent with box beam base plate thickness.In interior baffle plate perforate, its spacing is consistent with anchor bar, anchors steel
Muscle is passed through from hole.The lumps of wood of perforate is set in internal model, and the lumps of wood is pressed on interior baffle plate through after anchor bar, is screwed into nut simultaneously
Locking, then begins to pouring for concrete.The use of the device can reduce the operating time of pressure thick stick, while internal model is installed i.e.
Internal model can be fixed on pedestal, play a part of to prevent internal model from floating, it is easy to operate, quick, can ensure that internal model is non-rising,
The thickness of guard box back plate.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure, 1, pedestal, 2, box beam, 3, internal model, 4, external mold, 5, anchor bar, 6, the lumps of wood, 7, nut.
Specific embodiment
This utility model prevents internal model floating structure, the use of the device from can reduce the operation of pressure thick stick for a kind of prefabricated case beam
Time, while internal model is installed by internal model is fixed on pedestal, play a part of to prevent internal model from floating, operation letter
Just, fast, can ensure that internal model is non-rising, it is ensured that the thickness of box beam top board.
This utility model is elaborated with specific embodiment below in conjunction with the accompanying drawings.
Specific embodiment, as shown in figure 1, a kind of prefabricated case beam prevents internal model floating structure, including box beam 2 and pedestal 1, case
Beam 2 is fixed on the upper end of pedestal 1, and box beam 2 includes internal model 3 and external mold 4, and internal model 3 is arranged in external mold 4, also including anchor bar 5
With the lumps of wood 6, the upper end of anchor bar 5 is provided with external screw thread and is arranged in box beam 2, and the lower end of anchor bar 5 is fixed on pedestal 1
It is interior, through hole is both provided with the bottom of box beam 2 on the axis of the lumps of wood 6, anchor bar 5 is sleeved on the bottom of the lumps of wood 6 and box beam 2
In through hole, the upper end that nut 7 is sleeved on anchor bar 5 is additionally provided with the top of the lumps of wood 6, also set between the lumps of wood 6 and nut 7
It is equipped with pad.
The described generally L-shaped of anchor bar 5, the bottom that anchor bar 5 is fixed in pedestal 1 are 90 ° of right angle bending
Structure, is also set with PVC sleeve pipes in the lateral wall of anchor bar 5, and PVC sleeve pipes are arranged on the bottom of box beam 2 and its length is equal to
The internal model 3 of box beam 2 and the thickness sum of 4 bottom of external mold, the number of anchor bar 5 is multiple and the axis distribution along box beam 2, phase
The spacing of two adjacent anchor bars 5 is 1-1.5 rice.
This utility model is transformed on the basis of existing prefabricated case beam pedestal and inner and outer template, the pre-buried anchor in the pedestal 1
According to the internal model buoyancy for calculating, Gu reinforcing bar 5, its spacing determine that 5 bottom of anchor bar sets 90 ° of right angle bending structure and pedestal
1 concrete is fully anchored, and top sets screw thread matching nut 7 and pad, 1 exposed parts anchor bar of pedestal, 5 overcoat pvc pipe,
Pvc pipe length is consistent with the thickness sum of 4 bottom of external mold with the internal model 3 of box beam 2, in 3 base plate perforate of internal model, its spacing and anchoring
Reinforcing bar 5 is consistent, and anchor bar 5 is passed through from hole, sets the lumps of wood 6 of perforate in internal model 3, and the lumps of wood 6 is pressed in interior through after anchor bar 5
On 3 base plate of mould, it is screwed into nut 7 and locks, then begin to pouring for concrete.The use of the device can reduce the operation of pressure thick stick
Time, while internal model is installed by internal model is fixed on pedestal, play a part of to prevent internal model from floating, operation letter
Just, fast, can ensure that internal model is non-rising, it is ensured that the thickness of box beam top board.
Claims (5)
1. a kind of prefabricated case beam prevents internal model floating structure, and including box beam (2) and pedestal (1), box beam (2) is fixed on pedestal (1)
Upper end, box beam (2) includes internal model (3) and external mold (4), and it is interior that internal model (3) is arranged on external mold (4), it is characterised in that：Also include anchor
Gu reinforcing bar (5) and the lumps of wood (6), the upper end of anchor bar (5) are provided with external screw thread and are arranged in box beam (2), anchor bar (5)
Lower end be fixed in pedestal (1), on the axis of the lumps of wood (6) and the bottom of box beam (2) is both provided with through hole, anchor bar
(5) be sleeved in the bottom through-hole of the lumps of wood (6) and box beam (2), nut (7) is additionally provided with above the lumps of wood (6) and is sleeved on anchor
Gu the upper end of reinforcing bar (5).
2. a kind of prefabricated case beam according to claim 1 prevents internal model floating structure, it is characterised in that：Described anchoring steel
Muscle (5) generally L-shaped, the bottom that anchor bar (5) is fixed in pedestal (1) are 90 ° of right angle bending structure.
3. a kind of prefabricated case beam according to claim 1 prevents internal model floating structure, it is characterised in that：Described anchoring steel
The lateral wall of muscle (5) is set with PVC sleeve pipes, and PVC sleeve pipes are arranged on the bottom of box beam (2) and its length is equal to the interior of box beam (2)
Mould (3) and the thickness sum of external mold (4) bottom.
4. a kind of prefabricated case beam according to claim 1 prevents internal model floating structure, it is characterised in that：Described anchoring steel
The number of muscle (5) is multiple and along box beam (2) axis distribution, and the spacing of two adjacent anchor bars (5) is 1-1.5 rice.
5. a kind of prefabricated case beam according to claim 1 prevents internal model floating structure, it is characterised in that：The described lumps of wood
(6) pad is additionally provided with and nut (7) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620998872.6U CN206030177U (en) | 2016-08-31 | 2016-08-31 | Precast box girder prevents centre form come -up structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620998872.6U CN206030177U (en) | 2016-08-31 | 2016-08-31 | Precast box girder prevents centre form come -up structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206030177U true CN206030177U (en) | 2017-03-22 |
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ID=58300658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620998872.6U Active CN206030177U (en) | 2016-08-31 | 2016-08-31 | Precast box girder prevents centre form come -up structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206030177U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166536A (en) * | 2018-01-17 | 2018-06-15 | 温州正康建设有限公司 | A kind of anti-levitating device of hoistway formwork and its construction method |
| CN108437158A (en) * | 2018-05-22 | 2018-08-24 | 中冶建工集团有限公司 | A kind of construction method of Precast Concrete Box Girder |
-
2016
- 2016-08-31 CN CN201620998872.6U patent/CN206030177U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166536A (en) * | 2018-01-17 | 2018-06-15 | 温州正康建设有限公司 | A kind of anti-levitating device of hoistway formwork and its construction method |
| CN108437158A (en) * | 2018-05-22 | 2018-08-24 | 中冶建工集团有限公司 | A kind of construction method of Precast Concrete Box Girder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Di Yong Inventor after: Wei Rongfei Inventor after: Sun Licong Inventor after: Jing Weishuai Inventor after: Qie Tongshan Inventor after: Chen Shengbo Inventor after: You Yue Inventor after: Sun Shuangjie Inventor after: Zhao Yanli Inventor after: Liu Zhanli Inventor after: Han Ting Inventor after: Gao Yufei Inventor before: Di Yong Inventor before: Wei Rongfei Inventor before: Sun Licong Inventor before: Jing Weishuai Inventor before: Qie Tongshan Inventor before: Chen Shengbo Inventor before: You Yue Inventor before: Sun Shuangjie Inventor before: Zhao Yanli Inventor before: Liu Zhanli Inventor before: Han Ting Inventor before: Gao Yufei |
|
| CB03 | Change of inventor or designer information |