CN204023424U - A kind of Hanging Basket You Ding back-pressure mechanism - Google Patents
A kind of Hanging Basket You Ding back-pressure mechanism Download PDFInfo
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- CN204023424U CN204023424U CN201420457385.XU CN201420457385U CN204023424U CN 204023424 U CN204023424 U CN 204023424U CN 201420457385 U CN201420457385 U CN 201420457385U CN 204023424 U CN204023424 U CN 204023424U
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- hanging basket
- pressure mechanism
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Abstract
The utility model provides a kind of Hanging Basket You Ding back-pressure mechanism, comprise the Hanging Basket be fixed on by cantilever on the case beam body of having built, and the bottom board system be suspended on Hanging Basket hoist cable, also comprise counter-force tripod and built-in fitting, built-in fitting comprises bottom built-in fitting and top built-in fitting, counter-force tripod comprises girt and inclination depression bar, one end and the described bottom built-in fitting of girt are connected, one end of the other end and described inclination depression bar is connected, the other end and the described top built-in fitting of inclination depression bar are connected, girt is arranged on above the top press rod of described hydraulic jack.This utility model not only overcomes the shortcoming of traditional precompressed, can also simulate the actual loading situation of suspended casting suspended basket better.This back-pressure mechanism simultaneously, make Hanging Basket clearly stressed, easily control prefabricating load, safety is high, and steadiness is good, time saving and energy saving, and expense is relatively low.
Description
Technical field
The utility model relates to the form of structure of a kind of building, bridge construction device, particularly relates to a kind of Hanging Basket You Ding back-pressure mechanism, belongs to building and technical field of transportation.
Background technology
It is important step in bridge construction that bridge beam body outstanding pours note, and the key of Hanging Basket cantilever method construction is Hanging Basket.The precompressed of Hanging Basket is absolutely necessary construction sequence, the object of Hanging Basket precompressed is mainly evaluated the intensity of Hanging Basket, rigidity and stability, the safety of checking Hanging Basket, the reliability of checking Hanging Basket and its nonelastic deformation of elimination, and measure the practical distortion value of Hanging Basket under different load, to revise mould absolute altitude simultaneously.At present, the method for Hanging Basket precompressed mainly adopts the method precompressed of the direct preloading such as sand pocket or water bag.The method length consuming time, costly, be difficult to simulation Hanging Basket actual working state, and because Hanging Basket working space is limited, preloading quantity is restricted, and is often difficult to the precompressed construction needs of the suspended casting suspended basket adapting to Long span variable cross-section continuous beam and rigid frame bridge.
Utility model content
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, provide a kind of simulate Hanging Basket actual loading situation accurately, prefabricating load regulation and control are convenient, safety is high, structure is simple, the time saving and energy saving and Hanging Basket You Ding back-pressure mechanism that expense is low.
In order to solve above technical problem, the utility model provides a kind of Hanging Basket You Ding back-pressure mechanism, comprise the Hanging Basket be fixed on by cantilever on the case beam body of having built, and the bottom board system be suspended on Hanging Basket hoist cable, described bottom board system is by boom rest, front lower transverse beam, longitudinal distribution beam on rear lower transverse beam and crossbeam, steel form forms, described cast bed die is provided with hydraulic jack, it is characterized in that: also comprise counter-force tripod and built-in fitting, described built-in fitting comprises bottom built-in fitting and top built-in fitting, described counter-force tripod comprises girt and inclination depression bar, one end and the described bottom built-in fitting of described girt are connected, one end of the other end and described inclination depression bar is connected, the other end and the described top built-in fitting of described inclination depression bar are connected, described girt is arranged on above the top press rod of described hydraulic jack.
The technical scheme that the utility model limits further is:
Further, described inclination depression bar is fixedly connected with by a reinforcement diagonal brace with described girt.
Further, described reinforcement diagonal brace is i iron.
Further, described top built-in fitting is one group of square plate, and described bottom built-in fitting is i iron.
Further, in order to prevent the concrete at this built-in fitting place from ftractureing in load test process, described bottom built-in fitting and top built-in fitting all carry out reinforcement by anchor bar to be fixed.
Further, the herringbone bridging that described Hanging Basket is fixedly connected with horizontal beam by horizontal beam, lower end, and the column be supported between herringbone bridging summit and horizontal beam is formed, and has the track be fixed on raising-plate under horizontal beam the inner of described Hanging Basket.
Installation procedure of the present utility model and operating principle are: first pre-buried top built-in fitting and bottom built-in fitting on the web of having built, treat after this block builds part construction the girt of counter-force tripod and inclination depression bar to be separately fixed on the top pre-embedded steel slab and bottom built-in fitting of having built, after suspended casting suspended basket and bottom die of box-beam are installed and are terminated, then by hydraulic oil overhead in the headspace of counter-force tripod and bed die.Utilize hydraulic control oil pressure on top surface, press down bed die girder, pull-up suspension rod, simulation Hanging Basket actual loading, thus measure the deformation parameter at each position of Hanging Basket, to reach the object of Hanging Basket precompressed.
The beneficial effects of the utility model are: this utility model structure is simple, not only overcomes the shortcoming of traditional precompressed, meets the needs of various suspended casting suspended basket precompressed, can also simulate the actual loading situation of suspended casting suspended basket better.This back-pressure mechanism simultaneously, make Hanging Basket clearly stressed, easily control prefabricating load, safety is high, and steadiness is good, time saving and energy saving, and expense is relatively low, can meet the needs of different types of rridges cantilever casting construction.
Accompanying drawing explanation
Below in conjunction with embodiment 1 and accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the lateral view of Fig. 1 central sill case.
Fig. 3 is the structural representation of counter-force tripod in embodiment 1.
Detailed description of the invention
embodiment 1
The present embodiment Cast-in-Situ Segment overall length 11m, the wide 16.9m of end face, the wide 8.9m of base plate, high 5.9m are single box single chamber section structure, and cantilever pouring beam section maximum weight is 4# block 170t.
A kind of Hanging Basket You Ding back-pressure mechanism that the present embodiment provides, as shown in Figures 1 to 3: the crossbeam 4 comprising the Hanging Basket 1 be fixed on by cantilever on the case beam body of having built, counter-force tripod 2, built-in fitting and be suspended on Hanging Basket hoist cable, distribution beam 4-1 covers forward and backward lower transverse beam 4 upper surface, and the steel plate supported by i iron spaced apart is formed.
Liang Dun for having manhole between top board A and base plate B is connected as a single entity, and overall in " work " character form structure, the web C of roof supporting A is extended at the two ends of base plate B respectively upward, forms the web structure end face of single box single chamber.Two web C end faces arrange the top built-in fitting 6 and bottom built-in fitting 5 of installing back-pressure mechanism respectively.
Counter-force tripod 2 comprises girt 7 and inclination depression bar 8, one end and the bottom built-in fitting 5 of girt 7 are connected, one end of the other end and inclination depression bar 8 is connected, the other end and the top built-in fitting 6 of inclination depression bar 8 are connected, and are provided with jack 3 between the rigidity distribution beam 4-1 on girt 7 outer end and crossbeam 4;
The middle part of inclination depression bar 8 and be fixed with between girt 7 and bottom built-in fitting 5 junction and strengthen diagonal brace 9.
The installation steps of Hanging Basket and bed die system are: install the crossbeam 4 that Hanging Basket 1 and outer end are suspended in midair by Hanging Basket hoist cable 10 in the bridge foundation segment length direction constructed; Wherein the herringbone bridging 1-2 that is fixedly connected with horizontal beam 1-1 by horizontal beam 1-1, lower end of the Hanging Basket 1 and column 1-3 be supported between herringbone bridging 1-2 summit and horizontal beam 1-1 is formed, and has the track 1-4 be fixed on raising-plate A under the inner of Hanging Basket 1 horizontal beam 1-1; The overhanging cantilever end of horizontal beam 1-1 fixes the upper end of hoist cable 10, and lower end and the front lower transverse beam of hoist cable 10 are fixedly connected.Rear lower transverse beam 4 is fixed on the floor beams B of bridge foundation section by suspension rod, crossbeam 4 arranges longitudinal distribution beam 4-1, and jack about 3 is arranged respectively laterally presses beam.By regulating jack 3 pressure, loading to crossbeam 4 and by the drop-down Hanging Basket 1 of hoist cable 10, eliminate the plastic strain of Hanging Basket 1 and record required elastic deformation parameter.
Top built-in fitting 6 is the square plate that a 2cm is thick, and the reinforcing bar that 5 groups of U-shaped Φ 22mm are welded at the steel plate back side is connected with web concrete.Bottom built-in fitting 5 is i iron.The 2I36 i iron that bottom built-in fitting adopts 1.1m long.
Counter-force tripod 2 and pre-embedded steel slab firm welding, form rigid connection, in order to prevent the concrete at this place from ftractureing in load test process, set up two layers of 60*60cm, φ 16 10 × 10cm anticracking steel mesh reinforcement by within the scope of the web tunneling boring of pre-buried 2I36 i iron and reaction beam top pre-embedded steel slab.
Precompressed adopts the jack of 4 150t, and strut and tie I 36 i iron maximum weighted is 118.3t, and Two bors d's oeuveres I36 i iron meets force request.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (6)
1. a Hanging Basket You Ding back-pressure mechanism, comprise the Hanging Basket be fixed on by cantilever on the case beam body of having built, and the bottom board system be suspended on Hanging Basket hoist cable, described bottom board system is by boom rest, front lower transverse beam, longitudinal distribution beam on rear lower transverse beam and crossbeam, steel form forms, described cast bed die is provided with hydraulic jack, it is characterized in that: also comprise counter-force tripod and built-in fitting, described built-in fitting comprises bottom built-in fitting and top built-in fitting, described counter-force tripod comprises girt and inclination depression bar, one end and the described bottom built-in fitting of described girt are connected, one end of the other end and described inclination depression bar is connected, the other end and the described top built-in fitting of described inclination depression bar are connected, described girt is arranged on above the top press rod of described hydraulic jack.
2. Hanging Basket You Ding back-pressure mechanism according to claim 1, is characterized in that: described inclination depression bar is strengthened diagonal brace with described girt by one and is fixedly connected with.
3. Hanging Basket You Ding back-pressure mechanism according to claim 2, is characterized in that: described reinforcement diagonal brace is i iron.
4. Hanging Basket You Ding back-pressure mechanism according to claim 1, is characterized in that: described top built-in fitting is one group of square plate, and described bottom built-in fitting is i iron.
5. Hanging Basket You Ding back-pressure mechanism according to claim 4, is characterized in that: described bottom built-in fitting and top built-in fitting all carry out reinforcement by anchor bar to be fixed.
6. Hanging Basket You Ding back-pressure mechanism according to claim 1, it is characterized in that: the herringbone bridging that described Hanging Basket is fixedly connected with horizontal beam by horizontal beam, lower end, and the column be supported between herringbone bridging summit and horizontal beam is formed, under horizontal beam the inner of described Hanging Basket, there is the track be fixed on raising-plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420457385.XU CN204023424U (en) | 2014-08-14 | 2014-08-14 | A kind of Hanging Basket You Ding back-pressure mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420457385.XU CN204023424U (en) | 2014-08-14 | 2014-08-14 | A kind of Hanging Basket You Ding back-pressure mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204023424U true CN204023424U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420457385.XU Expired - Fee Related CN204023424U (en) | 2014-08-14 | 2014-08-14 | A kind of Hanging Basket You Ding back-pressure mechanism |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824803A (en) * | 2018-09-03 | 2018-11-16 | 中国华西企业有限公司 | A kind of huge column climbing apparatus |
| CN110359374A (en) * | 2019-07-29 | 2019-10-22 | 中铁七局集团路桥工程有限公司 | A kind of Hanging Basket precompressed counter-force bracket and its construction method |
| CN111074794A (en) * | 2019-12-26 | 2020-04-28 | 中交二航局第四工程有限公司 | Prepressing system for hanging basket of cantilever beam |
| CN114164771A (en) * | 2021-11-22 | 2022-03-11 | 甘肃建投临夏建设管理有限公司 | Prepressing device and prepressing method for viaduct cantilever casting hanging basket |
| CN114922067A (en) * | 2022-01-07 | 2022-08-19 | 中铁十六局集团第五工程有限公司 | Bridge construction process |
-
2014
- 2014-08-14 CN CN201420457385.XU patent/CN204023424U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824803A (en) * | 2018-09-03 | 2018-11-16 | 中国华西企业有限公司 | A kind of huge column climbing apparatus |
| CN108824803B (en) * | 2018-09-03 | 2024-08-13 | 中国华西企业有限公司 | Giant column climbing formwork device |
| CN110359374A (en) * | 2019-07-29 | 2019-10-22 | 中铁七局集团路桥工程有限公司 | A kind of Hanging Basket precompressed counter-force bracket and its construction method |
| CN111074794A (en) * | 2019-12-26 | 2020-04-28 | 中交二航局第四工程有限公司 | Prepressing system for hanging basket of cantilever beam |
| CN114164771A (en) * | 2021-11-22 | 2022-03-11 | 甘肃建投临夏建设管理有限公司 | Prepressing device and prepressing method for viaduct cantilever casting hanging basket |
| CN114164771B (en) * | 2021-11-22 | 2023-09-12 | 甘肃建投临夏建设管理有限公司 | Prepressing device and prepressing method for overhead bridge cantilever pouring hanging basket |
| CN114922067A (en) * | 2022-01-07 | 2022-08-19 | 中铁十六局集团第五工程有限公司 | Bridge construction process |
| CN114922067B (en) * | 2022-01-07 | 2024-03-05 | 中铁十六局集团第五工程有限公司 | Bridge construction process |
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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 |
Granted publication date: 20141217 Termination date: 20160814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |