CN207714155U - A kind of bent cap holder - Google Patents
A kind of bent cap holder Download PDFInfo
- Publication number
- CN207714155U CN207714155U CN201721788591.9U CN201721788591U CN207714155U CN 207714155 U CN207714155 U CN 207714155U CN 201721788591 U CN201721788591 U CN 201721788591U CN 207714155 U CN207714155 U CN 207714155U
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- Prior art keywords
- truss
- bent cap
- jack
- support
- cap holder
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- 235000015170 shellfish Nutrition 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 31
- 239000010410 layer Substances 0.000 description 19
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000010485 coping Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of bent cap holders.The bent cap holder includes the truss for supporting bent cap and the cushion cap to load truss, and truss is equipped with multiple lifting gears to accurate adjustment truss support height and to coarse adjustment truss support height and the buttress detachably installed.Can being used cooperatively by lifting gear and buttress, can not only coarse adjustment holder bearing height, and can bearing height of the accurate adjusting bracket in construction, existing engineering construction field can be widely used in.
Description
Technical field
The utility model is related to engineering construction fields, and in particular to a kind of bent cap holder.
Background technology
With the fast development of China's communication, science of bridge building as the important component in transportation system,
The construction of bridge, operation state play very important effect to expanding economy.In Bridge Design and work progress, adopt
With long great cantilever Prestressed Slab Beams wide cut bridge floor, wide cut bridge floor multilane passage is realized, urban transportation is greatly alleviated and gathers around
Stifled problem.Engineering cost is significantly reduced, floor space is reduced, economizes the land resource, improve land utilization ratio, expand under bridge
Headroom enables space under bridge to be fully utilized.Especially Municipal Bridge Design and construction, bridge ambient enviroment is to bridge
The influence of girder construction type selecting is very big, should consider curb-to-curb width enough under bridge, considers that bridge structure exists with ambient enviroment again
Harmony spatially meets the requirement of urban landscape.The long great cantilever bent cap of vase type pier is usually used in Bridge Design
The structure type mutually arranged in pairs or groups with precast prestressed small box girder, with handsome in appearance, line style is smooth, and passage space is spacious under bridge, adopts
Light is good, and the visual field is penetrating, convenient and quick construction, short time limit, the outstanding features such as low cost and receive engineering construction and designer
Favor.
Bent cap is the important component formed a connecting link in bridge structure, and the dead load and mobile load of superstructure are exactly to be passed by bent cap
Pass pier stud and basis.Wide cut great cantilever Prestressed Slab Beams space under bridge is big, the enhancing of bridge direction across bridge span ability, and structure is resistance to
Long property is strong compared with ordinary reinforced concrete structure.The bent cap of the long large_cantilever structure of wide cut combines bridge top and the bottom structure together, energy
The bridge floor of wide cut multilane is provided and realizes the road travel that space under bridge utilizes.But the prestressing force lid of wide cut large_cantilever structure
Beam, design is complicated, and construction difficulty is big, quality requirement is high.Long great cantilever bent cap top dead load, live load are big, jib-length
The control of bent cap tip deflection is weight difficult point when larger influences when wide cut grows up cantilever end amount of deflection more than design and code requirement
Bent cap totally linear presentation quality and entity quality.In bridge construction, the complexity and wind of the long great cantilever Coping Construction of wide cut
Dangerous larger, the structural linetype and presentation quality of bent cap are the primary indexs of Construction control.
Using scientific and reasonable, safety economy holder erection scheme it is Coping Construction matter when the long great cantilever Coping Construction of wide cut
Amount and progress monitoring and the key for reducing security risk.Conventional bent cap cast-in-place construction has raft support method, Hold Hoop method, rod iron
The methods of method, pre-embedded steel slab bracket.Conventional bent cap cast-in-situ construction method has certain limitation.It can not be long in carrying wide cut
Bearing height is accurately adjusted when great cantilever Coping Construction, applicability is not strong, while there is also take up a large area, construct it is complicated,
The problems such as high, is required to construction environment.
Utility model content
The purpose of this utility model is that in view of the above shortcomings of the prior art, propose a kind of bent cap holder, it can be more preferable
The bearing height of effective adjusting bracket in the long great cantilever Coping Construction of wide cut is widely portable to current various construction sites.
The utility model proposes a kind of bent cap holders, are used to support the holder of bent cap, include the truss for supporting bent cap
With to carry the cushion cap of the truss, the truss is equipped with multiple lifting gears to truss support height described in accurate adjustment
With to truss support height described in coarse adjustment and the buttress detachably installed.
Further, the lateral shellfish thunder distribution beam for being used to support and protecting the bent cap is additionally provided on the truss.
Further, the truss includes being used to support the upper layer truss of the bent cap and being used to support the upper layer truss
Lower layer's truss.
Further, it is additionally provided with for reinforcing the scissors support for stablizing the truss.
Further, the lifting gear includes the jack for lifting, the bottom for installing the fixed jack
Seat and the jacking unit at the top of the jack for jacking, supporting.
Further, the pedestal includes bearing cross beam for supporting the jack and increases described thousand for stabilization
The web beam on jin top.
Further, the jacking unit includes being set to the lifting column and use driven at the top of the jack and by jack
With the guide pipe being oriented to the lifting of lifting column.
Further, the guide pipe is fixedly connected with truss.
Further, the upper layer truss is rectangle.
Further, lower layer's truss is trapezoidal.
A kind of bent cap holder of the utility model, being used cooperatively by lifting gear and buttress, can not only be thick
The bearing height of holder, and bearing height of the accurate adjusting bracket of energy in construction are adjusted, can be widely used in existing
Engineering construction field.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of bent cap holder of the utility model embodiment；
Fig. 2 is a kind of lifting device structure schematic diagram of bent cap holder of the utility model embodiment；
In figure：1- bent caps, 2- truss, 21- lifting gears, 211- jack, 212- support beams, 213- web beams,
214- lifting columns, 215- guide pipes, 22- buttresses, the upper layers 23- truss, 24- lower layers truss, 3- cushion caps, 4- shellfish thunder distribution beams.
Specific implementation mode
In order to illustrate more clearly of the utility model embodiment and technical solution in the prior art, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.In addition, it is opposite between only indicating each component to be related to belonging to for orientation
Position relationship, rather than absolute positional relation.
It please refers to Fig.1.1 holder of bent cap of the utility model embodiment, is used to support the holder of bent cap 1, including to prop up
The truss 2 of bent cap 1 and the cushion cap 3 to load truss 2 are supportted, truss 2 is equipped with multiple liters to 2 bearing height of accurate adjustment truss
Falling unit 21 and to 2 bearing height of coarse adjustment truss and the buttress 22 detachably installed.
Lifting gear 21 is equipped on truss 2 can accurately adjust the bearing height of truss 2, due to long in progress wide cut
When building construction of great cantilever bent cap 1, each construction parts are all large volume objects, and when the constructing operations such as building, docking,
Requirement to error is that comparison is stringent again, so the adjustment of this large volume article position compares during practice of construction
It is more difficult, accurate position adjustment can be carried out to supporter using lifting gear 21；Due to the size one of truss 2 and cushion cap 3
As can not all change, when needing to carry out higher bearing height, simple cushion cap 3 and 2 combined altitudes of truss are unable to reach mesh
Bearing height is marked, so at this moment carrying out the promotion to bearing height, buttress 22 in the form of installing buttress 22 on truss 2
It is that two pieces of I-steel Two bors d's oeuveres of model I45a form, selects the height of buttress 22 as needed, while two branch also may be selected
The superposition support of pier 22, it is 45cm to adjust the upper limit by the height of lifting gear 21 in this present embodiment, so the buttress 22 used is single
Layer height is 45cm, and double-layer overlapped degree of increasing is the buttress 22 of 90cm.When target can not be reached by the adjusting of lifting gear 21
When height, that is, the height of adjusting needed is more than 45cm, it is necessary to add a buttress 22 and be adjusted, then pass through and lift dress
It sets 21 to carry out being accurately positioned adjusting, not only ensure that construction quality, but also the progress of construction quickly, safe can be made again, be not necessarily to
Do over again redesign etc. unnecessary trouble.
The chord member of truss 2 selects I45a I-steel, end brace to use I28a I-steel, and other web members are all using I18
I-steel.
Load truss 2 is act as due to cushion cap 3, this just illustrates that bent cap 1 and the weight of entire holder concentrate on cushion cap 3
On, cushion cap 3 needs have very strong stability, especially in the soft givey construction site of appearance in ground, 3 underground part of cushion cap
It is arranged with ground, ground can topple over because of ground factor to avoid cushion cap 3, sink；Cushion cap 3 can be poured with armored concrete simultaneously
It builds, greatly improves the stability of cushion cap 3, sub-truss 2 that can be more stable makes the stability of entire support system
Higher.
The lateral shellfish thunder distribution beam 4 for being used to support and protecting bent cap 1 is additionally provided on truss 2.Shellfish thunder distribution beam 4 directly adds
With on truss 2, and it is in direct contact with bent cap 1.Due to longer in long 1 lateral length of great cantilever bent cap of wide cut, and weight is larger,
So the supporting surface of 1 bottom of bent cap can not only be made to obtain comprehensive support using lateral shellfish thunder distribution beam 4, avoid local pressure and
Bent cap 1 or truss 2 is caused to deform impaired；Preferably the weight of supporter can also be uniformly transferred to truss 2 simultaneously, and
And after use shellfish thunder distribution beam 4, so that it may to reduce the design length of truss 2 and cushion cap 3, the space of construction site can be improved
Utilize, greatly reduce construction operation area occupied by stent system, can effectively solve on overpass bridge with construct under bridge
Cross-operation problem is avoided entire stent system and is driven a vehicle using the influence and builder's road for creating road construction to space under bridge
Interference.Be highly suitable for without enough ground places and the magnitude of traffic flow it is big in the case of use.
Truss 2 includes being used to support the upper layer truss 23 of bent cap 1 and being used to support lower layer's truss 24 of upper layer truss 23.On
Layer truss 23 is rectangle；Lower layer's truss 24 is trapezoidal.Purpose is the mobility and flexibility in order to preferably enhance truss 2, just
It installs, while the buttress 22 for adjusting bearing height can also be mounted between upper layer truss 23 and lower layer's truss 24 in dismounting,
Lower layer's truss 24 is that trapezoidal purpose is so that truss 2 is had better support force and stability during support.
The scissors for reinforcing stable truss 2 is additionally provided with to support.Bent cap 1 tilts or topples in order to prevent, construction
When in 1 the right and left of bent cap be respectively equipped with the support of dismountable I16 I-steel scissors, scissors support can be practical according to bent cap 1
Height is overlapped use, while adding the adjusting of buttress 22, the progress height of lifting gear 21.Scissors support respectively with upper layer purlin
Frame 23 and lower layer's truss 24 connect, and make to form a stable support system, increase the reliability of entire support system.
Refering to Fig. 2.Lifting gear 21 includes the jack 211 for lifting, the pedestal for installing fixed jack 211
With the jacking unit set on 211 top of jack for jacking, supporting.The 12 pairs of screw jack used altogether in the present embodiment
211, for 2 outermost 2 of truss to the screw jack 211 for being 100 tons for maximum support, inside is the spiral shell that maximum support is 50 tons
Revolve jack 211.Jack 211 is placed on the crossbeam of upper layer truss 23.
Pedestal include bearing cross beam 212 for supporting jack 211 and for stablize increase jack 211 reinforcement it is horizontal
Beam 213.When due to 211 stress of jack, base pressure is larger, so placing bearing cross beam 212 in 211 bottom of jack and adding
It is hidden that safety greatly reduces to make jack 211 more stablize when jack 211 supports or jacks in deck transverse 213
The generation of trouble, while the position height of jack 211 can also be adjusted by web beam 213.
Jacking unit includes being set to the lifting column 214 driven at the top of jack 211 and by jack 211 and to lifting
The guide pipe 215 that the lifting of column 214 is oriented to.Guide pipe 215 is fixedly connected with truss 2.
During jacking, the rectangular lifting column 214 on top is oriented to by rectangular guide pipe 215 to be jacked jack 211, real
Existing lift in height is adjusted, and ensures jack 211 during jacking, rectangular lifting column 214 is led by rectangular guide pipe 215
To, make its jacking during do not shift, it is ensured that jack 211 jacking process safety.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the scope of protection of the utility model.
Claims (10)
1. a kind of bent cap holder, is used to support bent cap（1）Holder, it is characterised in that：Including supporting bent cap（1）Truss
（2）With carrying the truss（2）Cushion cap（3）, the truss（2）It is equipped with multiple to truss described in accurate adjustment（2）Branch
Support the lifting gear of height（21）With to truss described in coarse adjustment（2）Bearing height and the buttress detachably installed（22）.
2. a kind of bent cap holder as described in claim 1, it is characterised in that：The truss（2）On be additionally provided be used to support and
Protect the bent cap（1）Lateral shellfish thunder distribution beam（4）.
3. a kind of bent cap holder as described in claim 1, it is characterised in that：The truss（2）Including being used to support the lid
Beam（1）Upper layer truss（23）Be used to support the upper layer truss（23）Lower layer's truss（24）.
4. a kind of bent cap holder as described in claim 1, it is characterised in that：It is additionally provided with and stablizes the truss for reinforcing（2）
Scissors support.
5. a kind of bent cap holder as described in claim 1, it is characterised in that：The lifting gear（21）Include for lifting
Jack（211）, for installing the fixed jack（211）Pedestal and be set to the jack（211）Top is for pushing up
It rises, the jacking unit of bearing.
6. a kind of bent cap holder as claimed in claim 5, it is characterised in that：The pedestal includes for supporting the jack
（211）Bearing cross beam（212）Increase the jack with for stabilization（211）Web beam（213）.
7. a kind of bent cap holder as claimed in claim 5, it is characterised in that：The jacking unit includes being set to the jack
（211）Top and by jack（211）The lifting column of drive（214）With to lifting column（214）Lifting be oriented to
Guide pipe（215）.
8. a kind of bent cap holder as claimed in claim 7, it is characterised in that：The guide pipe（215）With truss（2）It is fixed to connect
It connects.
9. a kind of bent cap holder as claimed in claim 3, it is characterised in that：The upper layer truss（23）For rectangle.
10. a kind of bent cap holder as claimed in claim 3, it is characterised in that：Lower layer's truss（24）It is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721788591.9U CN207714155U (en) | 2017-12-20 | 2017-12-20 | A kind of bent cap holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721788591.9U CN207714155U (en) | 2017-12-20 | 2017-12-20 | A kind of bent cap holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207714155U true CN207714155U (en) | 2018-08-10 |
Family
ID=63056558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721788591.9U Expired - Fee Related CN207714155U (en) | 2017-12-20 | 2017-12-20 | A kind of bent cap holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207714155U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107881924A (en) * | 2017-12-20 | 2018-04-06 | 中铁十六局集团第三工程有限公司 | A kind of bent cap support |
| CN109487706A (en) * | 2018-12-14 | 2019-03-19 | 东南大学 | A kind of assembled segmentation bent cap mounting device and method |
| CN110747746A (en) * | 2019-10-21 | 2020-02-04 | 宁波市政工程建设集团股份有限公司 | Temporary supporting system for small box girder type hidden cover beam prefabricated on road and bridge and construction method thereof |
-
2017
- 2017-12-20 CN CN201721788591.9U patent/CN207714155U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107881924A (en) * | 2017-12-20 | 2018-04-06 | 中铁十六局集团第三工程有限公司 | A kind of bent cap support |
| CN109487706A (en) * | 2018-12-14 | 2019-03-19 | 东南大学 | A kind of assembled segmentation bent cap mounting device and method |
| CN109487706B (en) * | 2018-12-14 | 2020-05-08 | 东南大学 | Assembling type sectional bent cap mounting device and method |
| CN110747746A (en) * | 2019-10-21 | 2020-02-04 | 宁波市政工程建设集团股份有限公司 | Temporary supporting system for small box girder type hidden cover beam prefabricated on road and bridge and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180810 |