CN207032041U - Variable Section Steel box beam pushing tow combines the unit - Google Patents
Variable Section Steel box beam pushing tow combines the unit Download PDFInfo
- Publication number
- CN207032041U CN207032041U CN201720431256.7U CN201720431256U CN207032041U CN 207032041 U CN207032041 U CN 207032041U CN 201720431256 U CN201720431256 U CN 201720431256U CN 207032041 U CN207032041 U CN 207032041U
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- China
- Prior art keywords
- steel box
- pushing tow
- joist
- thrustor
- girder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model belongs to field of bridge construction, is related to a kind of pushing tow combination unit, more particularly to a kind of Variable Section Steel box beam pushing tow combination unit.Include support, thrustor, steel box-girder and for the programme controlled digital control system of integral construction, thrustor described in the rack bearing, the thrustor carries the steel box-girder；The thrustor includes multigroup walking jack and joist, and one joist of corresponding carrying, multiple joists carry the steel box-girder jointly on walking jack described in every group；The gradient for the steel box-girder bottom position that the gradient at the top of each joist is in contact with it is consistent, and each joist bottom slope is 0.Its advantage is：Auxiliary equipment needed for simple in construction, system working stability, construction is less, can be effectively improved the too high and vertical nonsynchronous shortcoming of top lift of pad during pushing tow.
Description
Technical field
The utility model belongs to field of bridge construction, is related to a kind of pushing tow combination unit, more particularly to a kind of Variable Section Steel
Box beam pushing tow combines the unit.
Background technology
With the development of Bridges in Our Country construction, the jack-in erection of Large-span Steel Box Beam turns into an important development direction.
General overpass, main bridge overcrossing railway line, steel box beam erection use incremental launching method, and steel box-girder is indulged in the side of spanning along bridge
Axis direction is assembled paragraph by paragraph, lays slideway and slide device under steel box-girder, pushing steel box girder, along straight skidding to predetermined spanning,
Then auxiliary equipment is removed, positive girder steel is moved, it is in place to fall beam.
At present, across iron bridge incremental launching construction technology is mainly pad pushing tow both at home and abroad, pad be present during bridge incremental launching
It is too high, the shortcomings of vertical top lift in jack pushing tow stroke is asynchronous, Variable Section Steel box beam can not be well adapted to.It is badly in need of
A kind of Variable Section Steel box beam pushing tow combination unit, safe and effective can solve cross a river stream, across highway, particularly across existing
The bridge incremental launching construction of Business Line.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Variable Section Steel for above-mentioned the deficiencies in the prior art
Box beam pushing tow combines the unit, and the pushing tow combining structure is simple, system working stability, auxiliary equipment is less needed for construction, and can
To effectively improve the too high and vertical nonsynchronous shortcoming of top lift of pad during pushing tow.
Technical scheme is as follows used by the utility model：
The utility model belongs to field of bridge construction, is related to a kind of pushing tow combination unit, more particularly to bottom board slope is not
The steel box-girder pushing tow combination unit of even variation.
A kind of Variable Section Steel box beam pushing tow combination unit, include support, thrustor, steel box-girder and for integral construction
Programme controlled digital control system, thrustor described in the rack bearing, the thrustor carry the steel box-girder；The top
Pushing device includes multigroup walking jack and joist, and corresponds to one support of carrying described in every group on walking jack
Beam, multiple joists carry the steel box-girder jointly；The steel case that the gradient at the top of each joist is in contact with it
The gradient of beam bottom position is consistent, and each joist bottom slope is 0.
On the basis of above-mentioned technical proposal, the utility model can also improve as follows：
Further, the support includes stock, base, transverse distribution beam, longitudinal distribution beam and bearing beam..Wherein, the set
Frame is arranged on the base, and longitudinal distribution beam is welded in above the stock, and the transverse distribution beam is horizontal
State and it is mutually perpendicular to longitudinal distribution beam and is connected up and down, the connection side of the transverse distribution beam and longitudinal distribution beam
Formula is welds, the multigroup walking jack of transverse distribution load bearing beam.Wherein, multigroup walking jack can
Require arrangement quantity and position according to bridge construction, multi-point support realized to steel box-girder by the joist being positioned above, with up to
To the construction effect to steel box-girder multi-point pushing.
Further, the stock includes spiral steel pipe and bridging, connects between two spiral steel pipes being parallel to each other
The bridging is connect, the spiral steel pipe and the bridging junction are provided with batten plate, the spiral steel pipe and the bridging
It is mutually permanently connected by batten plate welding.The bridging of triangle, triangle are welded among the spiral steel pipe by batten plate
For structure the most firm so that whole stock stabilized structure, bearing capacity is strong, meets pushing tow lifting construction demand.
Further, the base includes pre-embedded anchoring bolts and basis, and the pre-embedded anchoring bolts anchor connection is in described
Basic top, the spiral steel pipe lower end and the pre-embedded anchoring bolts anchor connection.
Further, in addition to lifting device, the lifting device is between the support and the thrustor.It is described
Lifting device includes:Electric block, steel wire rope, job platform and lifting spiral steel pipe.
Wherein, two job platforms are symmetrically distributed in the on both sides of the middle of the stock and connection fixed thereto, two
The electric block is connected to the both ends of the transverse distribution beam, and described steel wire rope one end is fixedly connected with the operation horizontal
Platform, the other end are placed through the electric block above the job platform and are connected with the joist being positioned above,
The joist is provided with hanger with the steel wire rope junction, and the steel wire rope is fixedly connected by the hanger with the joist；
The lifting is with spiral steel pipe between longitudinal distribution beam and the support.
Whole lifting device is used to lift thrustor and the overall of steel box-girder.
Further, walking jack described in every group includes longitudinal jack, horizontal jack, vertical jack.Cause
This walking jack have around, upper and lower 3 directions must move pushing tow function, disclosure satisfy that steel box-girder pushing tow is applied
The needs of work.
A kind of Variable Section Steel box beam pushing tow combination unit provided by the utility model, has following advantages：
1st, thrustor and lifting device of the present utility model use stock, its stock structure can in pushing tow process and
It is play the guiding role in lifting process, makes whole device more stable, while stock can also provides load transfer support, can be achieved more
Stroke jacks, and simple operation is practical.
2nd, the utility model is in steel box-girder bottom by being provided with multistage joist, the gradient at the top of each joist with
The gradient of its steel box-girder bottom position contacted is consistent, and each joist bottom slope is 0.So joist and steel case
The contact surface perfection of beam institute agrees with, and avoids eccentric force and uneven stress of the beam body to jack during jacking, can be effective
Steel box-girder is solved the pad excessive height on jack during each step pushing tow the shortcomings that, is avoided in jack lift stroke
The asynchronous shortcoming of vertical top lift.Because the peak of steel box-girder bottom differs too big with minimum point, therefore use multistage support
Beam rather than a joist, can save material, mitigate the weight of thrustor.Multistage joist is distributed in the different positions of steel box-girder
Put, adapt to the different gradient of steel box-girder bottom, during pushing tow, instruction of multigroup walking jack in digital control system respectively
Under the operation simultaneously of more fulcrums, accuracy is high and can save cost of labor.
3rd, the utility model by electric block and steel wire rope by thrustor and the steel box-girder above thrustor
Overall lifting overall upwards, effectively prevent the construction Difficulties of jack pad.Simultaneously because the support using multistage given shape
Load bearing beam steel box-girder, eccentric force and uneven stress of the steel box-girder in lifting process are avoided, and each step was lifted
The problem of pad in journey is too high.And two job platforms are arranged as required to, by electric block and steel wire rope from two
End carries out lifting work, to increase the steadiness of lifting device lifting operation.
4th, lifting device of the present utility model according to the highly desirable of lifting, can lengthen the lifting spiral of corresponding length
Steel pipe, overall structure is simple, and Assembling is easy, and auxiliary equipment needed for construction is less, and versatility is stronger, applicable different size
Steel box-girder pushing tow and lifting construction；By Optimizing Construction Scheme, with reference to on-site actual situations, scientific and reasonable configuration personnel,
Machinery, material, improve efficiency of construction, high-quality, efficient completion method of multiplexing coordinative construction.
5th, construction intellectuality, information-based configuration of the utility model by digital control system, reaches work progress and monitors entirely, with
This reaches the harmony and continuity of more work post coordinative constructions.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.According to following explanation and power
Sharp claim, advantages and features of the present utility model will become apparent from.It should be noted that accompanying drawing using very simplified form and
Non- accurately ratio is used, only to purpose that is convenient, lucidly aiding in illustrating the utility model embodiment.
Fig. 1 is the structural representation of the bridge incremental launching combination unit described in the utility model embodiment 1；
Fig. 2 is the structural representation of the bridge incremental launching combination unit described in the utility model embodiment 2；
Wherein, 1- joists, 2- walking jack, 3- steel box-girders, 4- spiral steel pipes, 5- bridgings, 6- batten plates, 7- bases
Plinth, 8- pre-embedded anchoring bolts, 9- longitudinal directions distribution beam, 10- transverse distribution beams, 11- bearing beams, 12- steel wire ropes, 13- electric blocks,
14- job platforms, 15- lifting spiral steel pipes, 16- hangers.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.According to following explanation and power
Sharp claim, advantages and features of the present utility model will become apparent from.It should be noted that accompanying drawing using very simplified form and
Non- accurately ratio is used, only to purpose that is convenient, lucidly aiding in illustrating the utility model embodiment.
Embodiment 1
In the present embodiment, as shown in figure 1, a kind of bridge incremental launching combines the unit, support, thrustor, steel case are included
Beam and for the programme controlled digital control system of integral construction, thrustor described in the rack bearing, the thrustor carrying
The steel box-girder；The thrustor includes multigroup walking jack and joist, and equal on walking jack described in every group
One joist of corresponding carrying, multiple joists carry the steel box-girder jointly；The gradient at the top of each joist
The gradient for the steel box-girder bottom position being in contact with it is consistent, and each joist bottom slope is 0.
Wherein, joist uses Q235 steel plate rollings, is welded.
The support includes stock, base, transverse distribution beam, longitudinal distribution beam and bearing beam.Wherein, the stock is arranged on
On the base, longitudinal distribution beam is welded in above the stock, the transverse distribution beam be horizontal and with institute
State longitudinal distribution beam to be mutually perpendicular to and be up and down connected, the connected mode of the transverse distribution beam and longitudinal distribution beam is weldering
Connect, the multigroup walking jack of transverse distribution load bearing beam.Wherein, multigroup walking jack can be according to bridge
Beam construction requirement arranges quantity and position, and multi-point support is realized to steel box-girder by the joist being positioned above.
The stock includes spiral steel pipe and bridging, is cut between two spiral steel pipes being parallel to each other described in connection
Knife supports, and the spiral steel pipe and the bridging junction are provided with batten plate, and the spiral steel pipe and the bridging pass through batten plate
Welding is mutually permanently connected.
The base includes pre-embedded anchoring bolts and basis, and the pre-embedded anchoring bolts anchor connection is on the basis of described
Side, the spiral steel pipe lower end and the pre-embedded anchoring bolts anchor connection.
Walking jack described in every group includes longitudinal jack, horizontal jack, vertical jack.Therefore before having
Afterwards, left and right, upper and lower 3 directions must move pushing tow function.
Pushing tow process of the present utility model：Steel box-girder is positioned on multiple joists, each joist and steel box-girder connect
Contacting surface perfection agrees with, and ensure that the steadiness of carrying, pushing tow work is carried out by walking jack, according to incremental launching construction needs
By the very heavy completion of walking around, upper and lower 3 directions adjust steel box-girder position.Pushed up in walking jack
Push away in work, by joist agrees with steel box-girder institute contact surface perfection, avoid steel box-girder during pushing tow to jack
The problem of pad during eccentric force and uneven stress, and each step pushing tow is too high, ensure that incremental launching construction has
Effect property.
Embodiment 2
In the present embodiment, as shown in Fig. 2 a kind of difference of pushing tow combination unit described with embodiment 1 is
Also include lifting device, in addition, a kind of pushing tow combination unit of embodiment 2 is same as Example 1.
In the present embodiment, in addition to lifting device, the lifting device be located at the support and the thrustor it
Between.The lifting device includes:Electric block, steel wire rope, job platform and lifting spiral steel pipe.
Wherein, two job platforms are symmetrically distributed in the on both sides of the middle of the stock and connection fixed thereto, two
The electric block is connected to the both ends of the transverse distribution beam, and described steel wire rope one end is fixedly connected with the operation horizontal
Platform, the other end are placed through the electric block above the job platform and are connected with the joist being positioned above,
The joist is provided with hanger with the steel wire rope junction, and the steel wire rope is fixedly connected by the hanger with the joist；
The lifting is with spiral steel pipe between longitudinal distribution beam and the support.
Lifting process of the present utility model：After the pushing tow for being carried out example 1 works, electric block, steel wire are utilized
Rope, and hanger integrally lift thrustor and steel box-girder, and lifting spiral steel pipe is installed after the completion of lifting, and the lifting is used
Spiral steel pipe, the lifting are fixedly connected with longitudinal distribution beam with spiral steel pipe upper end, and lower end is fixedly connected with the support
Spiral steel pipe, complete lifting operation.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.
For those skilled in the art, some under the premise of the utility model principle is not departed from change
Enter and retouch, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (9)
- A kind of 1. Variable Section Steel box beam pushing tow combination unit, it is characterised in that：Include support, thrustor, steel box-girder and use In the programme controlled digital control system of integral construction, thrustor described in the rack bearing, the thrustor carries the steel Box beam；The thrustor includes multigroup walking jack and joist, and described in every group on walking jack to agreeing A joist is carried, multiple joists carry the steel box-girder jointly；The gradient at the top of each joist connects with it The gradient of the tactile steel box-girder bottom position is consistent, and each joist bottom slope is 0.
- 2. Variable Section Steel box beam pushing tow combination unit according to claim 1, it is characterised in that：The support includes set Frame, base, transverse distribution beam, longitudinal distribution beam and bearing beam.
- 3. Variable Section Steel box beam pushing tow combination unit according to claim 2, it is characterised in that：The stock is arranged on institute State on base, longitudinal distribution beam is welded in above the stock, the transverse distribution beam be horizontal and with it is described Longitudinal distribution beam is mutually perpendicular to and is connected up and down, and the connected mode of the transverse distribution beam and longitudinal distribution beam is welding, The multigroup walking jack of transverse distribution load bearing beam.
- 4. Variable Section Steel box beam pushing tow combination unit according to claim 3, it is characterised in that：The stock includes spiral Steel pipe and bridging, connect the bridging between two spiral steel pipes being parallel to each other, the spiral steel pipe and described Bridging junction is provided with batten plate, the spiral steel pipe and the bridging and is mutually permanently connected by batten plate welding.
- 5. Variable Section Steel box beam pushing tow combination unit according to claim 4, it is characterised in that：The base includes pre-buried Foundation bolt and basis, the pre-embedded anchoring bolts anchor connection in it is described basis top, the spiral steel pipe lower end with it is described Pre-embedded anchoring bolts anchor connection.
- 6. Variable Section Steel box beam pushing tow combination unit according to claim 5, it is characterised in that：Also include lifting device, The lifting device is between the support and the thrustor.
- 7. Variable Section Steel box beam pushing tow combination unit according to claim 6, it is characterised in that：The lifting device bag Include:Electric block, steel wire rope, job platform and lifting spiral steel pipe.
- 8. Variable Section Steel box beam pushing tow combination unit according to claim 7, it is characterised in that：Two job platforms The on both sides of the middle of the stock and connection fixed thereto are symmetrically distributed in, two electric blocks are connected to the transverse direction The both ends of distribution beam, described steel wire rope one end are fixedly connected with the job platform, and the other end is placed through above the job platform The electric block and be connected with the joist being positioned above, be provided with and hang in the joist and the steel wire rope junction Ear, the steel wire rope are fixedly connected by the hanger with the joist；Lifting spiral steel pipe is located at the longitudinal direction point With between beam and the support.
- 9. the Variable Section Steel box beam pushing tow combination unit according to claim 1 or 8, it is characterised in that：Stride described in every group Formula jack includes longitudinal jack, horizontal jack, vertical jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720431256.7U CN207032041U (en) | 2017-04-24 | 2017-04-24 | Variable Section Steel box beam pushing tow combines the unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720431256.7U CN207032041U (en) | 2017-04-24 | 2017-04-24 | Variable Section Steel box beam pushing tow combines the unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207032041U true CN207032041U (en) | 2018-02-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720431256.7U Expired - Fee Related CN207032041U (en) | 2017-04-24 | 2017-04-24 | Variable Section Steel box beam pushing tow combines the unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN207032041U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948268A (en) * | 2017-04-24 | 2017-07-14 | 中铁七局集团武汉工程有限公司 | Variable Section Steel box beam pushing tow is combined the unit and application method |
| CN110258353A (en) * | 2019-07-31 | 2019-09-20 | 河南省交通规划设计研究院股份有限公司 | And of Varying Depth steel-concrete composite beams bridge construction technique with support |
| CN111335187A (en) * | 2020-03-25 | 2020-06-26 | 上海远通路桥工程有限公司 | Construction process for triangular area of open-web rigid frame bridge |
| CN111424563A (en) * | 2020-04-02 | 2020-07-17 | 中交一公局集团有限公司 | Steel beam pushing method for transverse widening and longitudinal slope changing |
| CN114606871A (en) * | 2022-03-29 | 2022-06-10 | 武汉思力特种工程机械施工有限公司 | Incremental launching method for variable-cross-section steel beam of long-span bridge |
| CN115450120A (en) * | 2022-09-01 | 2022-12-09 | 中铁二十四局集团江苏工程有限公司 | Long-span walking type steel box girder pushing construction equipment |
-
2017
- 2017-04-24 CN CN201720431256.7U patent/CN207032041U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948268A (en) * | 2017-04-24 | 2017-07-14 | 中铁七局集团武汉工程有限公司 | Variable Section Steel box beam pushing tow is combined the unit and application method |
| CN106948268B (en) * | 2017-04-24 | 2023-07-21 | 中铁七局集团武汉工程有限公司 | Variable-section steel box girder pushing combined device and using method thereof |
| CN110258353A (en) * | 2019-07-31 | 2019-09-20 | 河南省交通规划设计研究院股份有限公司 | And of Varying Depth steel-concrete composite beams bridge construction technique with support |
| CN111335187A (en) * | 2020-03-25 | 2020-06-26 | 上海远通路桥工程有限公司 | Construction process for triangular area of open-web rigid frame bridge |
| CN111335187B (en) * | 2020-03-25 | 2021-11-16 | 上海远通路桥工程有限公司 | Construction process for triangular area of open-web rigid frame bridge |
| CN111424563A (en) * | 2020-04-02 | 2020-07-17 | 中交一公局集团有限公司 | Steel beam pushing method for transverse widening and longitudinal slope changing |
| CN114606871A (en) * | 2022-03-29 | 2022-06-10 | 武汉思力特种工程机械施工有限公司 | Incremental launching method for variable-cross-section steel beam of long-span bridge |
| CN114606871B (en) * | 2022-03-29 | 2023-09-26 | 武汉思力特种工程机械施工有限公司 | High-section variable steel girder pushing method for large-span bridge |
| CN115450120A (en) * | 2022-09-01 | 2022-12-09 | 中铁二十四局集团江苏工程有限公司 | Long-span walking type steel box girder pushing construction equipment |
| CN115450120B (en) * | 2022-09-01 | 2023-09-01 | 中铁二十四局集团江苏工程有限公司 | Large-span walking type steel box girder pushing construction equipment |
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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 |
Granted publication date: 20180223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |