CN109778708A - A kind of Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device - Google Patents
A kind of Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device Download PDFInfo
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- CN109778708A CN109778708A CN201910162722.XA CN201910162722A CN109778708A CN 109778708 A CN109778708 A CN 109778708A CN 201910162722 A CN201910162722 A CN 201910162722A CN 109778708 A CN109778708 A CN 109778708A
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Abstract
The invention discloses a kind of Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction devices, it include the longitudinal-moving device and jacking-drawing device being used in conjunction with each other, longitudinal-moving device includes left and right counter-force seat, pre-embedded bolt mounting hole is distributed with respectively on left and right counter-force seat, the rear end of left counter-force seat is equipped with limit top plate by pin shaft, pipe bending cylinder is installed on the support of limit top plate two sides, fixing seat is equipped with by pin shaft on right counter-force seat, strut and tie is installed, the other end of strut and tie is equipped with top plate in fixing seat；Jacking-drawing device includes the top pulling seat being used in conjunction with each other and fulcrum bearing, and the one end for pushing up pulling seat is equipped with installation fixation hole, and support base is equipped with mounting hole, and support base is equipped with top and draws oil cylinder.The configuration of the present invention is simple is easy to make, is easy for construction, and longitudinal-moving device realizes the unstressed closure of girder steel for accurately adjusting mouth longitudinal bias of joining the two sections of a bridge, etc for adjusting girder steel longitudinal direction mileage position, jacking-drawing device.
Description
Technical field:
The present invention relates to a kind of Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction devices, are mainly used for large span
Continuous truss cable-stayed bridge Middle span closing belongs to the design and construction field of bridge.
Background technique:
When cable-stayed bridge midspan closing is constructed, there are mainly two types of construction methods: one kind is that penalty method is joined the two sections of a bridge, etc, and one kind is unstressed
The closure of state method.The two methods are all made of control closure slip of the tongue difference in implementation process and join the two sections of a bridge, etc.It is required that right before closure
Closure mouth both ends have installed the relative status between cantilever beam and have carried out accurate adjustment control, meet closing construction dimensional accuracy and want
It asks.
Summary of the invention:
The object of the invention is to remedy the disadvantages of known techniques, provides a kind of Large-Span Continuous steel truss cable-stayed bridge span centre
Join the two sections of a bridge, etc longitudinal deviation correction device, and structure is simple, is easy to make, is easy for construction, and longitudinal-moving device is for adjusting girder steel longitudinal direction mileage position
It sets, jacking-drawing device realizes the unstressed closure of girder steel for accurately adjusting mouth longitudinal bias of joining the two sections of a bridge, etc.
The present invention is achieved by the following technical solutions:
A kind of Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device, it is characterised in that: include phase interworking
The longitudinal-moving device and jacking-drawing device used is closed, the longitudinal-moving device includes left and right counter-force seat, is divided on the left and right counter-force seat
Pre-embedded bolt mounting hole is not distributed with, the rear end of the left counter-force seat is equipped with limit top plate, the spacing top by pin shaft
Pipe bending cylinder is installed on the support of plate two sides, fixing seat is equipped with by pin shaft on the right counter-force seat, in the fixing seat
It is equipped with one horizontally disposed and towards the strut and tie of left counter-force seat, the other end of the strut and tie is equipped with top plate；It draws on the top
Device includes the top pulling seat being used in conjunction with each other and fulcrum bearing, and the top pulling seat is hollow structure, and two sides are respectively equipped with
Mutual corresponding fixed plate, the one end of the top pulling seat are equipped with installation fixation hole, and the support base is equipped with mounting hole, described
Support base is equipped with top and draws oil cylinder.
The longitudinal-moving device and jacking-drawing device is mounted on side by side respectively on two king-towers and girder steel to be joined the two sections of a bridge, etc, and can be one
Group is used alone or multiple groups are used cooperatively.
The limit top plate is a plate body structure, and end is equipped with the fixation hole installed with support thereafter, and front end is set
There are top plate, and a top plate upper end limit guide plate with outward extension, in the top plate above the limit guide plate and strut and tie
Guide groove cooperation.
The support includes a vertical mounting plate, and the bottom end of the mounting plate is welded as a whole with counter-force seat is done,
The front end face of the mounting plate is equipped with pipe bending cylinder, is equipped with and adds between the bottom end of the mounting plate and left counter-force seat upper surface
Strengthening tendons plate is cooperated between the rear end face upper end of the mounting plate and fixed seat lateral surface by connecting rib.
The end of the strut and tie and top plate weld, and the side with the distribution of strut and tie circumferencial direction is additionally provided on top plate
Plate, and be welded to connect between side plate and strut and tie.
Stiffener plate is equipped between the outer end face and top pulling seat of the fixed plate.
It is two that oil cylinder is drawn on the top, and the middle part of the support base is equipped with partition, and the both ends of the surface of the partition are pacified respectively
Oil cylinder is drawn equipped with mutual corresponding top.
The longitudinal-moving device is for adjusting girder steel longitudinal direction mileage position, and the jacking-drawing device is for accurately adjusting the mouth that joins the two sections of a bridge, etc
Longitudinal bias；Vertical shift system is arranged using damper built-in fitting in the longitudinal-moving device, assists girder steel vertical shift.Unilateral side uses two liquid
It presses jack as incremental launching device, overcomes girder steel frictional force, realize that vertical equity is mobile；The jacking-drawing device is mainly used for accurately
Adjustment closure mouth longitudinal bias and vertical accurate adjustment use.
The invention has the advantages that
1, each device uses steel plate welding production, and the production is simple and convenient, and field condition can meet production and require.
2, base-plate and existed concrete bridge bridge pier built-in fitting or girder steel bolt hole group need to only be connected by bolt when installing
It connects, it is easy for assemble or unload, main structure will not be damaged.
3, closure section rod piece is design size, does not need to carry out avoiding the destruction to closure rod piece with cutting, realizes steel
The unstressed closure of beam, ensure that the stabilization of girder steel and suspension cable.
Detailed description of the invention:
Fig. 1 is the invention patent longitudinal-moving device illustraton of model.
Fig. 2 is the invention patent longitudinal-moving device plan view.
Fig. 3 is the invention patent longitudinal-moving device elevation.
Fig. 4 is the invention patent jacking-drawing device plan view.
Fig. 5 is the invention patent jacking-drawing device elevation.
Specific embodiment:
Referring to attached drawing.
A kind of Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device, it is characterised in that: include phase interworking
The longitudinal-moving device and jacking-drawing device used is closed, the longitudinal-moving device includes left and right counter-force seat, is divided on the left and right counter-force seat
Pre-embedded bolt mounting hole is not distributed with, the rear end of the left counter-force seat is equipped with limit top plate, the spacing top by pin shaft
Pipe bending cylinder is installed on the support of plate two sides, fixing seat is equipped with by pin shaft on the right counter-force seat, in the fixing seat
It is equipped with one horizontally disposed and towards the strut and tie of left counter-force seat, the other end of the strut and tie is equipped with top plate；It draws on the top
Device includes the top pulling seat being used in conjunction with each other and fulcrum bearing, and the top pulling seat is hollow structure, and two sides are respectively equipped with
Mutual corresponding fixed plate, the one end of the top pulling seat are equipped with installation fixation hole, and the support base is equipped with mounting hole, described
Support base is equipped with top and draws oil cylinder.
The longitudinal-moving device and jacking-drawing device is mounted on side by side respectively on two king-towers and girder steel to be joined the two sections of a bridge, etc, and can be one
Group is used alone or multiple groups are used cooperatively.
The limit top plate is a plate body structure, and end is equipped with the fixation hole installed with support thereafter, and front end is set
There are top plate, and a top plate upper end limit guide plate with outward extension, in the top plate above the limit guide plate and strut and tie
Guide groove cooperation.
The support includes a vertical mounting plate, and the bottom end of the mounting plate is welded as a whole with counter-force seat is done,
The front end face of the mounting plate is equipped with pipe bending cylinder, is equipped with and adds between the bottom end of the mounting plate and left counter-force seat upper surface
Strengthening tendons plate is cooperated between the rear end face upper end of the mounting plate and fixed seat lateral surface by connecting rib.
The end of the strut and tie and top plate weld, and the side with the distribution of strut and tie circumferencial direction is additionally provided on top plate
Plate, and be welded to connect between side plate and strut and tie.
Stiffener plate is equipped between the outer end face and top pulling seat of the fixed plate.
It is two that oil cylinder is drawn on the top, and the middle part of the support base is equipped with partition, and the both ends of the surface of the partition are pacified respectively
Oil cylinder is drawn equipped with mutual corresponding top.
Counter-force seat (2) is reliably connected with king-tower and girder steel respectively；Pushing tow oil overhold (1) is placed between counter-force seat, strut and tie
Adjustment guarantees horizontal power transmission, and pin diameter is smaller than aperture, it is ensured that normal displacement；
A kind of jacking-drawing device in Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device, by fulcrum bearing (7),
Top pulling seat (8) is fixed on closure mouth beam-ends rod piece top surface by high-strength bolt respectively, draws oil overhold (6) to be placed in device not by that will push up
Pushing tow and the conversion to function is drawn are realized with position, accurately to adjust the increase or diminution of closure mouth axial clearance, are met
Closing construction needs.
Claims (7)
1. a kind of Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device, it is characterised in that: include to cooperate
The longitudinal-moving device and jacking-drawing device used, the longitudinal-moving device include left and right counter-force seat, on the left and right counter-force seat respectively
Pre-embedded bolt mounting hole is distributed with, the rear end of the left counter-force seat is equipped with limit top plate, the limit top plate by pin shaft
Pipe bending cylinder is installed on the support of two sides, fixing seat is equipped with by pin shaft on the right counter-force seat, is pacified in the fixing seat
Horizontally disposed and towards the strut and tie of left counter-force seat equipped with one, the other end of the strut and tie is equipped with top plate；The top loads
Setting includes the top pulling seat being used in conjunction with each other and fulcrum bearing, and the top pulling seat is hollow structure, and two sides are respectively equipped with phase
The one end of mutual corresponding fixed plate, the top pulling seat is equipped with installation fixation hole, and the support base is equipped with mounting hole, the branch
Support seat is equipped with top and draws oil cylinder.
2. Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device according to claim 1, it is characterised in that:
The longitudinal-moving device and jacking-drawing device is mounted on side by side respectively on two king-towers and girder steel to be joined the two sections of a bridge, etc, and can individually be made for one group
With or multiple groups be used cooperatively.
3. Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device according to claim 1, it is characterised in that:
The limit top plate is a plate body structure, and end is equipped with the fixation hole installed with support thereafter, and front end is equipped with top plate, and
Top plate upper end limit guide plate with outward extension, the limit guide plate cooperate with the guide groove in the top plate above strut and tie.
4. Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device according to claim 1, it is characterised in that:
The support includes a vertical mounting plate, and the bottom end of the mounting plate is welded as a whole with counter-force seat is done, the installation
The front end face of plate is equipped with pipe bending cylinder, and stiffener plate is equipped between the bottom end of the mounting plate and left counter-force seat upper surface,
Cooperated between the rear end face upper end of the mounting plate and fixed seat lateral surface by connecting rib.
5. Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device according to claim 1, it is characterised in that:
The end of the strut and tie and top plate weld, and the side plate with the distribution of strut and tie circumferencial direction are additionally provided on top plate, and side plate
It is welded to connect between strut and tie.
6. Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device according to claim 1, it is characterised in that:
Stiffener plate is equipped between the outer end face and top pulling seat of the fixed plate.
7. Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device according to claim 1, it is characterised in that:
It is two that oil cylinder is drawn on the top, and the middle part of the support base is equipped with partition, and the both ends of the surface of the partition are separately installed with mutually
Draw oil cylinder in corresponding top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910162722.XA CN109778708A (en) | 2019-03-05 | 2019-03-05 | A kind of Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910162722.XA CN109778708A (en) | 2019-03-05 | 2019-03-05 | A kind of Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device |
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| Publication Number | Publication Date |
|---|---|
| CN109778708A true CN109778708A (en) | 2019-05-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910162722.XA Withdrawn CN109778708A (en) | 2019-03-05 | 2019-03-05 | A kind of Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device |
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| CN (1) | CN109778708A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239570A (en) * | 2019-07-05 | 2019-09-17 | 谢力 | A kind of overhead rail train docking facilities using fluid cylinder |
| CN110820601A (en) * | 2019-10-24 | 2020-02-21 | 中铁四局集团有限公司 | Longitudinal constraint and displacement control method for large-span continuous steel truss girder cable-stayed bridge |
| CN112030764A (en) * | 2020-09-04 | 2020-12-04 | 中铁六局集团有限公司 | Top-pulling device and method for adjusting closure opening of steel truss girder |
| CN113430933A (en) * | 2021-08-06 | 2021-09-24 | 盐城市兴都市政工程建设有限公司 | Concrete continuous beam cable-stayed bridge longitudinal deviation correcting device |
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| CN102493348A (en) * | 2011-12-14 | 2012-06-13 | 中铁大桥局股份有限公司 | Transverse limitation and correction device for incremental launching of bridge |
| CN203334191U (en) * | 2013-06-30 | 2013-12-11 | 中铁一局集团有限公司 | Steel truss girder jointing rod piece clearance adjusting device |
| CN108842621A (en) * | 2018-05-21 | 2018-11-20 | 中交二航局第二工程有限公司 | Girder steel closes up interval regulating process |
| CN209508820U (en) * | 2018-12-11 | 2019-10-18 | 中铁四局集团有限公司 | A kind of Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device |
| CN110820601A (en) * | 2019-10-24 | 2020-02-21 | 中铁四局集团有限公司 | Longitudinal constraint and displacement control method for large-span continuous steel truss girder cable-stayed bridge |
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2019
- 2019-03-05 CN CN201910162722.XA patent/CN109778708A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493348A (en) * | 2011-12-14 | 2012-06-13 | 中铁大桥局股份有限公司 | Transverse limitation and correction device for incremental launching of bridge |
| CN203334191U (en) * | 2013-06-30 | 2013-12-11 | 中铁一局集团有限公司 | Steel truss girder jointing rod piece clearance adjusting device |
| CN108842621A (en) * | 2018-05-21 | 2018-11-20 | 中交二航局第二工程有限公司 | Girder steel closes up interval regulating process |
| CN209508820U (en) * | 2018-12-11 | 2019-10-18 | 中铁四局集团有限公司 | A kind of Large-Span Continuous steel truss cable-stayed bridge Middle span closing longitudinal deviation correction device |
| CN110820601A (en) * | 2019-10-24 | 2020-02-21 | 中铁四局集团有限公司 | Longitudinal constraint and displacement control method for large-span continuous steel truss girder cable-stayed bridge |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239570A (en) * | 2019-07-05 | 2019-09-17 | 谢力 | A kind of overhead rail train docking facilities using fluid cylinder |
| CN110239570B (en) * | 2019-07-05 | 2020-09-11 | 谢力 | Air rail train butt joint device adopting fluid cylinder |
| CN110820601A (en) * | 2019-10-24 | 2020-02-21 | 中铁四局集团有限公司 | Longitudinal constraint and displacement control method for large-span continuous steel truss girder cable-stayed bridge |
| CN110820601B (en) * | 2019-10-24 | 2021-07-30 | 中铁四局集团有限公司 | Longitudinal constraint and displacement control method for large-span continuous steel truss girder cable-stayed bridge |
| CN112030764A (en) * | 2020-09-04 | 2020-12-04 | 中铁六局集团有限公司 | Top-pulling device and method for adjusting closure opening of steel truss girder |
| CN113430933A (en) * | 2021-08-06 | 2021-09-24 | 盐城市兴都市政工程建设有限公司 | Concrete continuous beam cable-stayed bridge longitudinal deviation correcting device |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20190521 |