CN208121586U - A kind of attachment device for porous freely-supported approximation arch steel truss erection - Google Patents
A kind of attachment device for porous freely-supported approximation arch steel truss erection Download PDFInfo
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- CN208121586U CN208121586U CN201820499536.6U CN201820499536U CN208121586U CN 208121586 U CN208121586 U CN 208121586U CN 201820499536 U CN201820499536 U CN 201820499536U CN 208121586 U CN208121586 U CN 208121586U
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Abstract
It include interim connecting rod the utility model discloses a kind of attachment device for porous freely-supported approximation arch steel truss erection, interim connecting rod includes that two interim connection top booms, two interim connection vertical bars and Duo Gen temporarily connect lateral rod piece, and the interim top boom that connects is connect with connection otic placode；The lower section of interim connection top boom is arranged in interim connection vertical bar, and the interim bottom for connecting vertical bar is connect with the lower boom of two hole girder steels；More interim connection lateral rod piece settings are between temporarily connection top boom.The utility model, respectively by temporarily connecting top boom, the interim top boom and lower boom for connecting vertical bar and connecting two adjacent hole freely-supported approximation arch steel truss girders, porous approximate arch Simply-supported Steel Beams are temporarily connected integral, girder steel can be drawn by incremental launching method and be built between two sides, structure is simple, and bearing capacity is big, convenient for disassembly and assembly, and the interim connection lateral rod piece of setting, increases the stability of structure between temporarily connection top boom.
Description
Technical field
The utility model relates to technical field of bridge construction, and in particular to one kind is used for porous freely-supported approximation arch steel truss girder
The attachment device of erection.
Background technique
There are many erection methods of currently used steel truss girder, uses thrusting slip to set up as continuous steel girder
Method, launching method etc., both methods is assembled girder steel on end of the bridge, then makes girder steel in each pier by horizontal continuity jack
Piecewise forward slip on slideway, or upper setting roller bearing or slide plate are slided into each pier, then steel is drawn by hoist engine or jack
Beam completes construction, such method is time saving and energy saving without establishing temporary rest pier in water, and can reduce the pollution to water body.
And for porous approximate arch freely-supported steel truss girder due to being unconnected between each arch trusses, and think setting connection
It is again relatively difficult, or bearing capacity is insufficient after setting connection, therefore generally using falsework method, crane barge erection method etc., but this
A little method needs additionally build building, carry out coordinative construction, lead to the problem of long in time limit and increase construction cost occur；It applies simultaneously
Work needs to carry out on the water, and danger coefficient is big, and polluted water resources are easy in the operations such as welding, oil paint coating.
It can be seen that being not connected between each arch trusses of current porous freely-supported approximation arch steel truss girder or being held after connecting
Loading capability is insufficient, leads to the problem of can only being set up using the methods of falsework method, crane barge erection method.
Utility model content
Technical problem to be solved in the utility model is each arched girder of current porous freely-supported approximation arch steel truss girder
Bearing capacity is insufficient after being not connected to or connect between beam, causes to be set up using the methods of falsework method, crane barge erection method
The problem of.
In order to solve the above-mentioned technical problem, there is provided one kind to be used for porous letter for technical solution used by the utility model
The attachment device of branch approximation arch steel truss erection, including the interim connecting rod for connecting two adjacent hole girder steels, institute
Stating interim connecting rod includes：
Two interim connection top booms, are detachably connected with the connection otic placode being arranged on steel truss girder top boom；
Two interim connection vertical bars, are separately positioned on the lower section of two interim connection top booms, institute along the vertical direction
The lower boom of the bottom and two adjacent hole girder steels of stating interim connection vertical bar is detachably connected；
More interim connection lateral rod pieces, are arranged between each interim connection top boom.
In the above scheme, the bottom of the interim connection vertical bar is fixed with interim connection jigsaw, the interim connection
Jigsaw is fixed by the lower boom of bolt and two adjacent hole girder steels.
In the above scheme, the middle part and two sides of the interim connection top boom are respectively equipped with the first connecting plate and second and connect
Fishplate bar, the interim connection lateral rod piece are connected by first connecting plate, the second connecting plate and the interim connection top boom
It connects.
In the above scheme, the interim connection lateral rod piece is five, wherein an interim connection lateral rod piece
Both ends be respectively fixedly disposed on two first connecting plates, wherein one end of two interim connection lateral rod pieces is solid
Surely it is disposed therein on first connecting plate, the other end is respectively fixedly disposed at another interim connection top boom
On the second connecting plate on, with one end of two interim connection lateral rod pieces be fixed at another it is described first connect
On fishplate bar, the other end is separately positioned on other two described second connecting plate corresponding thereto.
In the above scheme, one end of the interim connection vertical bar is fixed on first connecting plate.
The utility model, by temporarily connecting, top boom, temporarily connection vertical bar connects two adjacent hole freely-supporteds approximations respectively
The top boom and lower boom of arch steel truss girder, porous approximate arch Simply-supported Steel Beams are temporarily connected integral, can be passed through
Girder steel is drawn and is built between two sides by incremental launching method, and structure is simple, and bearing capacity is big, convenient for disassembly and assembly, and winds up in interim connection
Interim connection lateral rod piece is set between bar, increases the stability of structure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the interim connecting rod of the utility model；
Fig. 2 is the cross-section diagram at the 1-1 in Fig. 1；
Fig. 3 is the cross-section diagram at the 2-2 in Fig. 1；
Fig. 4 is the partial enlarged view in Fig. 1 at A.
Specific embodiment
The utility model is described in detail with Figure of description combined with specific embodiments below.
As shown in Figure 1 to 4, the utility model provides a kind of company for porous freely-supported approximation arch steel truss erection
Connection device, including the interim connecting rod for connecting two adjacent hole girder steels, interim connecting rod includes two interim connections
Top boom 10, two interim connection vertical bars 20 and more interim connection lateral rod pieces 40.
Two interim connection top booms 10 are detachably connected with the connection otic placode 30 being arranged on steel truss girder top boom, are used
When will temporarily to connect top boom 10 fixed by bolt and connection otic placode 30, it is easy for installation.
Interim connection lateral rod piece 40 is five, and is arranged between each interim connection top boom 10, in interim connection
The middle part and two sides of chord member 10 are respectively equipped with the first connecting plate 11 and the second connecting plate 12, wherein an interim connection lateral rod piece
40 both ends are respectively fixedly disposed on two the first connecting plates 11, wherein one end of two interim connection lateral rod pieces 40 is fixed
It is disposed therein on first connecting plate 11, the other end is respectively fixedly disposed at the on another interim connection top boom 10
On two connecting plates 12, the one end for temporarily connecting lateral rod piece 40 with two is fixed on another first connecting plate 11,
The other end is separately positioned on other two second connecting plate 12 corresponding thereto.
Relative to the setting side that interim connection lateral rod piece 40 is disposed in parallel in two interim connection 10 brackets of top boom
Method, this cross-over design mode can effectively slow down the stress of interim connection top boom 10 in a plurality of directions, increase the present apparatus
Stability, while preventing from temporarily connecting 40 stress of lateral rod piece and crossing major rupture, increase service life.
Two interim connection vertical bars 20 are separately positioned on the lower section of two interim connection top booms 10 along the vertical direction, due to
First connecting plate 11 is fixed at first at the middle part of temporarily connection top boom 10, therefore by one end of interim connection vertical bar 20
On connecting plate 11, make temporarily to connect 10 uniform force of top boom, increases the stability in the course of work, interim connection vertical bar 20
Bottom is fixed with interim connection jigsaw 21, and interim connection jigsaw 21 is solid by the lower boom of bolt and two adjacent hole girder steels
It is fixed, it is easy to disassemble.
When the utility model is used, the both ends of two interim connection top booms 10 are consolidated by bolt and connection otic placode 30
It is fixed, then the lower boom of two adjacent steel truss girders is connected by temporarily connection jigsaw 21, it is easy for installation, can greatly it shorten
Construction time；When removing interim connecting rod, connection otic placode 30 is cut by equipment, while will temporarily connect on jigsaw 21
Disassembling bolts, the disassembly of interim connecting rod can be completed, it is easy to operate, further increase working efficiency.
The utility model, by temporarily connecting, top boom, temporarily connection vertical bar connects two adjacent hole freely-supporteds approximations respectively
The top boom and lower boom of arch steel truss girder, porous approximate arch Simply-supported Steel Beams are temporarily connected integral, can be passed through
Girder steel is drawn and is built between two sides by incremental launching method, and structure is simple, and bearing capacity is big, convenient for disassembly and assembly, and winds up in interim connection
Interim connection lateral rod piece is set between bar, increases the stability of structure.
The utility model is not only limited to above-mentioned preferred forms, and anyone should learn that the enlightenments in the utility model
Under obtained structure change, it is all that there is same or similar technical solution with the utility model, each fall within the utility model
Within protection scope.
Claims (5)
1. a kind of attachment device for porous freely-supported approximation arch steel truss erection, which is characterized in that including for connecting phase
The interim connecting rod of two adjacent hole girder steels, the interim connecting rod include：
Two interim connection top booms, are detachably connected with the connection otic placode being arranged on steel truss girder top boom；
Two interim connection vertical bars, are separately positioned on the lower section of two interim connection top booms along the vertical direction, described to face
When connection vertical bar bottom and the lower booms of two adjacent hole girder steels be detachably connected；
More interim connection lateral rod pieces, are arranged between each interim connection top boom.
2. a kind of attachment device for porous freely-supported approximation arch steel truss erection according to claim 1, feature
It is, the bottom of the interim connection vertical bar is fixed with interim connection jigsaw, and the interim connection jigsaw passes through bolt and phase
The lower boom of two adjacent hole girder steels is fixed.
3. a kind of attachment device for porous freely-supported approximation arch steel truss erection according to claim 1, feature
It is, the middle part and two sides of the interim connection top boom are respectively equipped with the first connecting plate and the second connecting plate, described temporarily to connect
It connects lateral rod piece and is connect by first connecting plate, the second connecting plate with the interim connection top boom.
4. a kind of attachment device for porous freely-supported approximation arch steel truss erection according to claim 3, feature
It is, the interim connection lateral rod piece is five, wherein fixation is set respectively at the both ends of an interim connection lateral rod piece
It sets on two first connecting plates, wherein one end of two interim connection lateral rod pieces is fixed at one of them
On first connecting plate, the other end is respectively fixedly disposed at the second connecting plate on another described interim connection top boom
On, it is fixed on another described first connecting plate with one end of two interim connection lateral rod pieces, the other end
It is separately positioned on other two described second connecting plate corresponding thereto.
5. a kind of attachment device for porous freely-supported approximation arch steel truss erection according to claim 3, feature
It is, one end of the interim connection vertical bar is fixed on first connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820499536.6U CN208121586U (en) | 2018-04-09 | 2018-04-09 | A kind of attachment device for porous freely-supported approximation arch steel truss erection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820499536.6U CN208121586U (en) | 2018-04-09 | 2018-04-09 | A kind of attachment device for porous freely-supported approximation arch steel truss erection |
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| Publication Number | Publication Date |
|---|---|
| CN208121586U true CN208121586U (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820499536.6U Active CN208121586U (en) | 2018-04-09 | 2018-04-09 | A kind of attachment device for porous freely-supported approximation arch steel truss erection |
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| CN (1) | CN208121586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219241A (en) * | 2019-04-03 | 2019-09-10 | 中铁大桥局集团有限公司 | A kind of folding method of And of Varying Depth steel truss girder |
-
2018
- 2018-04-09 CN CN201820499536.6U patent/CN208121586U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219241A (en) * | 2019-04-03 | 2019-09-10 | 中铁大桥局集团有限公司 | A kind of folding method of And of Varying Depth steel truss girder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190401 Address after: 430100 New Industrial Park of Tiepu Village, Caidian District, Wuhan City, Hubei Province Patentee after: China Railway Major Bridge Bureau Sixth Engineering Co., LTD. Address before: 430100 New Industrial Park of Tiepu Village, Caidian District, Wuhan City, Hubei Province Co-patentee before: Group Co., Ltd., Zhongtie Daqiao Bureau Patentee before: China Railway Major Bridge Bureau Sixth Engineering Co., LTD. |
|
| TR01 | Transfer of patent right |