CN207159821U - A kind of Bridge Erector front fulcrum structure - Google Patents

A kind of Bridge Erector front fulcrum structure Download PDF

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Publication number
CN207159821U
CN207159821U CN201720782937.8U CN201720782937U CN207159821U CN 207159821 U CN207159821 U CN 207159821U CN 201720782937 U CN201720782937 U CN 201720782937U CN 207159821 U CN207159821 U CN 207159821U
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China
Prior art keywords
bridge
quill
main couple
leg strut
support base
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CN201720782937.8U
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Chinese (zh)
Inventor
毛昌庆
徐杰
夏昊
崔洪谱
程茂林
聂凯
华晓涛
孟奎
刘修成
朱明清
董超
雷才奎
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CCCC Second Harbor Engineering Co
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CCCC Second Harbor Engineering Co
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Abstract

Technical field of bridge construction is the utility model is related to, in particular to a kind of Bridge Erector front fulcrum structure.Including the main couple along suitable bridge to arrangement, it is characterised in that:Also include front leg strut and the leveling structure positioned at front leg strut lower end;Described front leg strut upper end is connected with main couple front lower portion, and lower end is supported on leveling structure;Described leveling structure is to be shelved on below main couple front end the bogey that can be moved on ground with main couple.The utility model is simple in construction, easy for installation, and Bridge Erector front fulcrum can be made to be supported on ground, and without shifting to an earlier date hoisting prefabricated pier stud as front fulcrum carrier, high degree improves bridge assembly efficiency, has great promotional value.

Description

A kind of Bridge Erector front fulcrum structure
Technical field
Technical field of bridge construction is the utility model is related to, in particular to a kind of Bridge Erector front fulcrum structure.
Background technology
In bridge construction field, prefabricated assembled bridge can effectively improve site operation speed, ensure the matter of structural elements Amount, structure durability is improved, application and is had a extensive future.
In the site operation of prefabricated assembled bridge, generally use Bridge Erector sets up superstructure, using crawler crane To set up the substructures such as pier stud, bent cap, a large amount of human assistances are needed in work progress, low construction efficiency, and to existing traffic shadow Ring big.Why existing highway bridge Bridge Erector needs crawler crane to carry out the erection of pier stud and bent cap, is primarily due to existing highway bridge The fulcrum of Bridge Erector needs pier stud to be advanced as carrier for ease of Bridge Erector, it is necessary in advance will in advance on bridge erection route Pier stud arranges.Bridge superstructure and bottom pier stud usually require to construct twice, the serious efficiency of construction for restricting bridge, and work Journey amount is huge, it is necessary to expend substantial amounts of manpower and materials, bridge is built cost and significantly rises.And for some territorial environments Severe situation, bottom pier stud are built extremely difficult.
The content of the invention
The purpose of this utility model seeks to the deficiency for solving above-mentioned background technology, there is provided a kind of Bridge Erector front fulcrum knot Structure.
The technical solution of the utility model is:A kind of Bridge Erector front fulcrum structure, including along main couple from bridge to arrangement, It is characterized in that:Also include front leg strut and the leveling structure positioned at front leg strut lower end;Before described front leg strut upper end and main couple Bottom connection is held, lower end is supported on leveling structure;Described leveling structure can on ground below main couple front end to be shelved on The bogey moved with main couple.
Further described leveling structure includes support base;Described support base has horizontal upper end for up-small and down-big The block structure in face;Described front leg strut lower end is supported on the upper surface of support base.
Further described front leg strut includes the horizontal beam arranged along direction across bridge;Described horizontal beam direction across bridge both ends are set It is equipped with adjustable for height vertical supporting system;The lower end of described vertical supporting system is supported on the upper surface of support base.
The fixes sleeve for including being fixed on horizontal beam direction across bridge both ends and and set of further described vertical supporting system Quill located at fixes sleeve lower end;Described fixes sleeve and quill is coaxially arranged, its weight to connect together Multiple vertically spaced apart through holes, fixes sleeve and quill are offered on folded part by being arranged in inserting in through hole Pin is fixed together.
Vertical jacking cylinder is provided with further described quill periphery face;Described jacking cylinder Housing is fixed on the periphery end face of quill, and pushing end is fixed with the bracket on fixes sleeve periphery end face to be connected Connect.
Further described quill joins end to end the column structure to be formed for multiple sections;Described section is axle There is the tubular structure of otic placode to end set;Screw is offered on described otic placode, adjacent segment is consolidated by bolt through screw It is scheduled on together.
The section lower end in bottom is provided with ball hinged support in further described quill;Described ball pivot Bearing includes the bottom plate for the ball groove for being fixed on the spherical crown of quill lower end and offering corresponding spherical crown;Described spherical crown can be around The centre of sphere is rotationally articulated and connected in ball groove;Described bearing plate is on support base.
Horizontal-associate is provided between further described fixes sleeve;Described horizontal-associate is that direction across bridge both ends are fixed on bracket Upper, upper end is fixed on the truss structure of horizontal beam lower end.
Roller mount is provided between further described horizontal beam and main couple;Described roller mount lower end is fixed on water On flat-topped ridge, upper end is provided with the motor that roller and driving roller are advanced along main couple length direction;It is provided with described main couple Along the horizontal slide rail being longitudinally arranged;Described roller-coaster is connected on slide rail.
Further described roller mount lower end is provided with connecting plate;Described connecting plate is to be arranged in roller mount and level U-shape structure between beam, including fixed with horizontal beam lower flange, connected after roller mount moves into place with main couple by bolt The top flange connect and the web on the upper and lower edge of a wing of connection.
The secondary overhead traveling crane for carrying support base is provided with further described main couple.
The advantages of the utility model, has:1st, front leg strut of the present utility model directly can be supported on ground, without in advance Pier stud is arranged, reduces the use of crawler crane, can significantly reduce the difficulty of handling, Bridge Erector is disposably carried out pre- The assembling construction of pier stud processed, prefabricated bent cap and steel girder;
2nd, a variety of landform can adapt to by front leg strut and being used cooperatively for support base, can quickly realizes main couple The support of front end, reduce the complexity of front fulcrum anchor structure, improve the efficiency of bearing pointdisposal;
3rd, by setting roller to adjust position of the front leg strut on main couple, the position adjustments of small range are carried out, with This finds optimal impetus, there is provided better stable support energy;
4th, by setting secondary overhead traveling crane to carry support base, support base is made to be separated with front leg strut, master when reducing mobile front leg strut The weight of truss carrying, is divided into the disturbance moved reduce to main couple twice, security is improved significantly;
5th, by setting tube-in-tube structure, whole front leg strut vertical extension can be adjusted by jacking cylinder, is adapted it to each Kind elevation change, accommodation are more extensive;
6th, by the way that quill is arranged into multiple sections, can integrally be grown by controlling section quantity to adjust front leg strut Degree, the region that elevation changes greatly is adapted to this, regulative mode is simple, easy to operate.
The utility model is simple in construction, easy for installation, and Bridge Erector front fulcrum can be made to be supported on ground, without hanging in advance Precast Pier Columns are filled as front fulcrum carrier, high degree improves bridge assembly efficiency, has great promotional value.
Brief description of the drawings
Fig. 1:The suitable bridge of front leg strut of the present utility model is to schematic diagram;
Fig. 2:The direction across bridge schematic diagram of front leg strut of the present utility model;
Fig. 3:Front leg strut of the present utility model roller structure schematic diagram (along bridge to);
Fig. 4:The roller structure schematic diagram (direction across bridge) of front leg strut of the present utility model;
Fig. 5:The ball hinged support structural representation of front leg strut of the present utility model;
Wherein:1-main couple;2-front leg strut;2.1-fixes sleeve;2.2-quill;2.3-jacking cylinder; 2.4-support base;2.5-spherical crown;2.6-bottom plate;2.7-through hole;2.8-horizontal beam;2.9-bracket;2.10-otic placode; 2.11-horizontal-associate;2.12-roller mount;2.13-roller;2.14-motor;2.15-slide rail;2.16-connecting plate;3-secondary day Car.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Such as Fig. 1~5, a kind of Bridge Erector front fulcrum structure, including along the main couple 1 along bridge to arrangement, in addition to front leg strut 2, the front leg strut 2 of the present embodiment is connected to the front lower portion of main couple 1 for upper end, and lower end is supported on the vertical supporting knot on ground Structure, need to be supported on bent cap or pier stud different from the front leg strut of prior art, the front leg strut of the present embodiment is supported directly on ground On face, without pouring pier stud in advance.
In order that the support of the lower end of front leg strut 2 is more stable, the present embodiment is provided with leveling structure in the lower end of front leg strut 2.Such as Shown in Fig. 1 and 2, the leveling structure of the present embodiment includes support base 2.4, and support base 2.4 has horizontal upper end for up-small and down-big The block structure in face, the lower end of front leg strut 2 are supported on the upper surface of support base 2.4.
The front leg strut 2 of the present embodiment is portal-framed structure, including the horizontal beam 2.8 arranged along direction across bridge, the cross-bridges of horizontal beam 2.8 To adjustable for height vertical supporting system is provided at both ends with, the lower end of vertical supporting system is supported on the upper surface of support base 2.4.Main truss The secondary overhead traveling crane 3 for carrying support base 2.4 is provided with frame 1.
Vertical supporting system include be fixed on the direction across bridge both ends of horizontal beam 2.8 fixes sleeve 2.1 and and be sheathed on fixation The quill 2.2 of the lower end of sleeve 2.1, fixes sleeve 2.1 and quill 2.2 are coaxially arranged, and it connects together overlapping Multiple vertically spaced apart through holes 2.7 are offered on part, fixes sleeve 2.1 and quill 2.2 are logical by being arranged in Latch in hole 2.7 is fixed together.In use, regulation fixes sleeve 2.1 and the length of the lap of quill 2.2, are adjusted The vertical extension of front leg strut 2 is saved, so that front leg strut 2 adapts to the ground of different elevations.
In addition, being provided with vertical jacking cylinder 2.3 on the periphery face of quill 2.2, the housing of jacking cylinder 2.3 is consolidated It is scheduled on the periphery end face of quill 2.2, pushing end and the bracket 2.9 on the periphery end face of fixes sleeve 2.1 are solid Fixed connection.By driving jacking cylinder 2.3 to lift quill 2.2, regulation process is more convenient.
It is actually small range that the jacking cylinder 2.3 of the present embodiment, which adjusts fixes sleeve 2.1 and the length of quill 2.2, Regulative mode, in order to preferably adapt to the region that elevation changes greatly, quill 2.2 is designed as multiple sections by the present embodiment Section.As illustrated in fig. 1 and 2, quill 2.2 is that multiple sections join end to end the column structure to be formed, and section sets for axial end portion The tubular structure of otic placode 2.10 is equipped with, screw is offered on otic placode 2.10, adjacent segment is fixed on one by bolt through screw Rise.According to the elevation of territory of use, can adapt to become using the fluctuating of region from the quill 2.2 of varying number section Change.
Wherein, the section lower end in bottom is provided with ball hinged support in quill 2.2, and ball hinged support includes fixing The lower end of quill 2.2 spherical crown 2.5 and offer corresponding spherical crown 2.5 ball groove bottom plate 2.6, spherical crown 2.5 can be around ball The heart is rotationally articulated and connected in ball groove, and bottom plate 2.6 is supported on support base 2.4, as shown in Figure 5.Ball hinged support can adapt to The inclination of support base 2.4, make the support of front leg strut 2 more stable.
For the stability of further enhancing total, the present embodiment is provided with horizontal stroke between two fixes sleeves 2.1 Connection 2.11, horizontal-associate 2.11 are that direction across bridge both ends are fixed on bracket 2.9, upper end is fixed on the truss structure of the lower end of horizontal beam 2.8.
The upper end of front leg strut 2 is slidably connected on main couple 1, during actual use, can be carried out position adjustments, be formed with this Best support.The slide construction of the present embodiment is shown in Fig. 3 and 4, and roller mount 2.12 is provided between horizontal beam 2.8 and main couple 1, The lower end of roller mount 2.12 is fixed on horizontal beam 2.8, and upper end is provided with roller 2.13 and driving roller 2.13 along the length side of main couple 1 To the motor 2.14 of traveling, the slide rail 2.15 being longitudinally arranged along level is provided with main couple 1, roller 2.13 is slidably connected to cunning On rail 2.15.
The lower end of roller mount 2.12 is provided with connecting plate 2.16, and connecting plate 2.16 is to be arranged in roller mount 2.12 and horizontal beam U-shape structure between 2.8, including with horizontal beam 2.8 fix lower flange, after roller mount 2.12 moves into place with main couple 1 The top flange being bolted and the web on the upper and lower edge of a wing of connection.By bolt arrangement by connecting plate 2.16 and main couple 1 It is fixed together, can completes to lock together both in the position adjustments of front leg strut 2, avoid producing rolling in use It is dynamic.
In use, using region according to Bridge Erector, survived by corresponding elevation using multiple section assemblings of relative populations Moving sleeve 2.2, quill 2.2 is fixed in fixes sleeve 2.1 by latch, then hung main couple 1 by straddle truck Transport on the bridge floor that assembly has been completed, complete the erection of Bridge Erector.
The position of support base 2.4 is adjusted by secondary overhead traveling crane 3, position of the front leg strut 2 on main couple 1 is driven by motor 2.14 Put, the lower end of front leg strut 2 is corresponded to support base 2.4, adjust jacking cylinder 2.3, the accurate vertical height for adjusting front leg strut 2, by before The lower end of supporting leg 2 is shelved on the upper surface of support base 2.4.
When Bridge Erector need moved across when, by driving jacking cylinder 2.3 to rise quill 2.2, disengage it from Support base 2.4, is moved after the completion of, front leg strut 2 lower section of the secondary handling support base 2.4 of overhead traveling crane 3 to after moving into place, adjusts front leg strut 2 position, it is set to be supported on again on support base 2.4.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, the utility model can also on the premise of the spirit and scope of the utility model is not departed from There are various changes and modifications, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model will Protection domain is asked to be defined by appended claims and its equivalent.

Claims (8)

1. a kind of Bridge Erector front fulcrum structure, including along suitable bridge to the main couple (1) of arrangement, it is characterised in that:Also include preceding prop up Leg (2) and the leveling structure positioned at front leg strut (2) lower end;Described front leg strut (2) upper end connects with main couple (1) front lower portion Connect, lower end is supported on leveling structure;Described leveling structure can be with main truss on ground below main couple (1) front end to be shelved on The mobile bogey of frame (1);Described leveling structure includes support base (2.4);Described support base (2.4) is up-small and down-big The block structure with horizontal upper end face;Described front leg strut (2) lower end is supported on the upper surface of support base (2.4);It is described Front leg strut (2) include along direction across bridge arrange horizontal beam (2.8);Described horizontal beam (2.8) direction across bridge is provided at both ends with height Spend adjustable vertical supporting system;The lower end of described vertical supporting system is supported on the upper surface of support base (2.4).
A kind of 2. Bridge Erector front fulcrum structure as claimed in claim 1, it is characterised in that:Described vertical supporting system includes The fixes sleeve (2.1) for being fixed on horizontal beam (2.8) direction across bridge both ends and the quill for being sheathed on fixes sleeve (2.1) lower end (2.2);Described fixes sleeve (2.1) and quill (2.2) is coaxially arranged, is opened up on its lap to connect together There are multiple vertically spaced apart through holes (2.7), fixes sleeve (2.1) and quill (2.2) are by being arranged in through hole (2.7) latch in is fixed together.
A kind of 3. Bridge Erector front fulcrum structure as claimed in claim 2, it is characterised in that:Described quill (2.2) circle Vertical jacking cylinder (2.3) is provided with all lateral surfaces;The housing of described jacking cylinder (2.3) is fixed on quill (2.2) on periphery end face, pushing end is fixedly connected with the bracket (2.9) on fixes sleeve (2.1) periphery end face.
A kind of 4. Bridge Erector front fulcrum structure as claimed in claim 2 or claim 3, it is characterised in that:Described quill (2.2) Joined end to end the column structure to be formed for multiple sections;Described section is the tubular knot that axial end portion is provided with otic placode (2.10) Structure;Screw is offered on described otic placode (2.10), adjacent segment is fixed together by bolt through screw.
A kind of 5. Bridge Erector front fulcrum structure as claimed in claim 4, it is characterised in that:In described quill (2.2) Section lower end in bottom is provided with ball hinged support;Described ball hinged support includes being fixed on quill (2.2) lower end Spherical crown (2.5) and offer corresponding spherical crown (2.5) ball groove bottom plate (2.6);Described spherical crown (2.5) can turn around the centre of sphere It is articulated and connected dynamicly in ball groove;Described bottom plate (2.6) is supported on support base (2.4).
A kind of 6. Bridge Erector front fulcrum structure as claimed in claim 1, it is characterised in that:Described horizontal beam (2.8) and master Roller mount (2.12) is provided between truss (1);Described roller mount (2.12) lower end is fixed on horizontal beam (2.8), upper end The motor (2.14) advanced provided with roller (2.13) and driving roller (2.13) along main couple (1) length direction;Described main truss The slide rail (2.15) being longitudinally arranged along level is provided with frame (1);Described roller (2.13) is slidably connected to slide rail (2.15) On.
A kind of 7. Bridge Erector front fulcrum structure as claimed in claim 6, it is characterised in that:Described roller mount (2.12) lower end It is provided with connecting plate (2.16);Described connecting plate (2.16) is the U being arranged between roller mount (2.12) and horizontal beam (2.8) Type structure, including pass through with the lower flange of horizontal beam (2.8) fixation, after roller mount (2.12) moves into place with main couple (1) Bolted top flange and the web on the upper and lower edge of a wing of connection.
A kind of 8. Bridge Erector front fulcrum structure as claimed in claim 1, it is characterised in that:Set on described main couple (1) There is the secondary overhead traveling crane (3) for carrying support base (2.4).
CN201720782937.8U 2017-06-30 2017-06-30 A kind of Bridge Erector front fulcrum structure Active CN207159821U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108625843A (en) * 2018-04-11 2018-10-09 中交第二航务工程局有限公司 A kind of long-spiral drilling machine verticality automatic control system
CN108996443A (en) * 2018-10-26 2018-12-14 陈立国 A kind of novel prefabricated component cantilever machine
CN109024291A (en) * 2018-08-06 2018-12-18 江苏恩纳斯重工机械有限公司 A kind of integration Bridge Erector and its working method
CN109629433A (en) * 2018-12-29 2019-04-16 腾达建设集团股份有限公司 Bridge Erector paving helps support leg device and the method for bridge construction based on auxiliary leg
CN112195798A (en) * 2020-08-21 2021-01-08 中交第二航务工程局有限公司 Segmental assembling integrated bridge girder erection machine and construction method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108625843A (en) * 2018-04-11 2018-10-09 中交第二航务工程局有限公司 A kind of long-spiral drilling machine verticality automatic control system
CN108625843B (en) * 2018-04-11 2023-09-12 中交第二航务工程局有限公司 Automatic control system for perpendicularity of long spiral drilling machine
CN109024291A (en) * 2018-08-06 2018-12-18 江苏恩纳斯重工机械有限公司 A kind of integration Bridge Erector and its working method
CN108996443A (en) * 2018-10-26 2018-12-14 陈立国 A kind of novel prefabricated component cantilever machine
CN109629433A (en) * 2018-12-29 2019-04-16 腾达建设集团股份有限公司 Bridge Erector paving helps support leg device and the method for bridge construction based on auxiliary leg
CN112195798A (en) * 2020-08-21 2021-01-08 中交第二航务工程局有限公司 Segmental assembling integrated bridge girder erection machine and construction method thereof

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Inventor after: Zhang Yongtao

Inventor after: Liu Xiucheng

Inventor after: Zhu Mingqing

Inventor after: Dong Chao

Inventor after: Lei Caikui

Inventor after: Mao Changqing

Inventor after: Xu Jie

Inventor after: Xia Hao

Inventor after: Cui Hongpu

Inventor after: Cheng Maolin

Inventor after: Nie Kai

Inventor after: Hua Xiaotao

Inventor after: Meng Kui

Inventor before: Mao Changqing

Inventor before: Zhu Mingqing

Inventor before: Dong Chao

Inventor before: Lei Caikui

Inventor before: Xu Jie

Inventor before: Xia Hao

Inventor before: Cui Hongpu

Inventor before: Cheng Maolin

Inventor before: Nie Kai

Inventor before: Hua Xiaotao

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Inventor before: Liu Xiucheng

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