CN204849608U - Steel longeron cable -stay bridge rackwork that joins two sections of a bridge, etc fast - Google Patents
Steel longeron cable -stay bridge rackwork that joins two sections of a bridge, etc fast Download PDFInfo
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- CN204849608U CN204849608U CN201520377069.6U CN201520377069U CN204849608U CN 204849608 U CN204849608 U CN 204849608U CN 201520377069 U CN201520377069 U CN 201520377069U CN 204849608 U CN204849608 U CN 204849608U
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Abstract
The utility model discloses a steel longeron cable -stay bridge rackwork that joins two sections of a bridge, etc fast, it includes: the top arm -tie, it includes the first steel sheet of type cuboid and a pair of second steel sheet of symmetric distribution, and first steel sheet is equipped with polylith third steel sheet, and first steel sheet is opened has the rectangular shape notch that link up, the bearing, its fourth steel sheet and the 5th steel sheet that includes type cuboid, the fourth steel sheet is equipped with the 6th steel sheet of polylith, the jack, the base and the second steel sheet of jack offset, and piston rod and the 5th steel sheet offset, wherein, the relative slip takes place for the bearing setting in the notch to the long limit of first steel sheet is on a parallel with the long limit of fourth steel sheet. The utility model discloses can be adjusted into the unilateral node with the common member of the root one by one closure of steel longeron and once only join the two sections of a bridge, etc, have advantages such as adaptability is good, simple structure, the preparation is convenient, maneuverability is good, safe and reliable, economic nature is good, the application prospect is good.
Description
Technical field
The utility model belongs to field of bridge construction, be specifically related to a kind of longspan steel truss girder join the two sections of a bridge, etc fast positioning device.
Background technology
The bridge joining technique of longspan steel truss girder is mainly closure mouth fine adjustment technology and outspoken fast lock-in techniques of joining the two sections of a bridge, etc.Whether the closing construction of steel truss girder bridge is related to the system transform of bridge smoothly and can line type control reach requirement, and existing steel truss girder closing construction technology adopts the lower edge that first joins the two sections of a bridge, etc, again closure to wind up usually, and finally join the two sections of a bridge, etc web member and install the method for lateral.To steel truss girder bridge, the method closure point is many, need through repeatedly joining the two sections of a bridge, etc, complex process, line style adjustment difficulty.In practice of construction process, closure mouth is manufactured and the factor such as installation deviation, closure sunshine and temperature affects, and each closure point coordinates need can reach design accuracy requirement through repeatedly calculating adjustment.How to reach the requirement of closure adjustment fast, concerning the smooth closure of steel truss girder bridge, need badly at present a kind of steel truss girder join the two sections of a bridge, etc fast positioning device, can by common for steel truss girder by root rod member closure be adjusted to the disposable closure of single sided nodes, there is higher society and economic benefit.
Utility model content
An object of the present utility model solves at least the problems referred to above and/or defect, and provide the advantage will illustrated at least below.
The utility model also have an object be to provide a kind of steel truss girder join the two sections of a bridge, etc fast positioning device, it can be adjusted to the disposable closure of single sided nodes by common for steel truss girder by the closure of root rod member, has the advantages such as compliance is good, structure is simple, easy to make, operability good, safe and reliable, good economy performance, utilization prospect are good.
In order to realize according to these objects of the present utility model and other advantage, provide a kind of steel truss girder cable-stayed bridge and to join the two sections of a bridge, etc fast rackwork, comprising:
Top arm-tie, it comprises the first steel plate of class cuboid, and along the width of described first steel plate perpendicular to a pair symmetrical second steel plates of described first steel plate, the upper surface of described first steel plate is divided into Part I by described a pair second steel plates successively, Part II and Part III, described first steel plate is equipped with at described Part I and described Part III that polylith is vertical is fixed in described first steel plate and the 3rd steel plate offseted with described second steel plate, described first steel plate has through strip notch at described Part II, described Part III offers multiple first through hole, described multiple first through hole matches with the screw of the steel truss girder of closure mouth side, and all do not contact with any one block of described 3rd steel plate of this side,
Supporting base, it comprises the 4th steel plate of class cuboid, and along the width of described 4th upper surface of steel plate perpendicular to the 5th steel plate of described 4th steel plate, the upper surface of described 4th steel plate is divided into Part IV and Part V by described 5th steel plate, described Part IV is provided with polylith and is vertically fixed in described 4th steel plate and the 6th steel plate offseted with described 5th steel plate, and the second through hole that the screw of multiple closure rod member assembled with the steel truss girder of closure mouth opposite side matches, described second through hole and any one block of described 6th steel plate are not in contact with each other;
Jack, it is arranged on the space that described Part II on described the-steel plate and described Part V overlap, and the base of described jack and described second steel plate offset, and piston rod and described 5th steel plate of described jack offset;
Wherein, described supporting base is arranged in described notch and relative sliding occurs, and the long limit of described first steel plate is parallel to the long limit of described 4th steel plate.
Preferably, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, in described a pair second steel plates, for any one piece of second steel plate, it is cuboid steel plate, and described second steel plate is equal with the width of described first steel plate along the length in described first steel plate width direction.
Preferably, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, in described polylith the 3rd steel plate, for any one piece of the 3rd steel plate, its for cross section be the uniform steel plate of the leg-of-mutton thickness of class, be 1: 15-20 along the thickness in described first steel plate width direction with the ratio of the width of described first steel plate, the height of the hypotenuse of described 3rd steel plate successively decreases along the centre of described first steel plate successively to direction, both sides, and the height of the right-angle side perpendicular to described first steel plate of described 3rd steel plate is equal with the height of described second steel plate.
Preferably, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, and described 5th steel plate is cuboid steel plate, and described 5th steel plate is equal with the width of described 4th steel plate along the length in described 4th steel plate width direction.
Preferably, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, in described polylith the 6th steel plate, for any one piece of the 6th steel plate, its for cross section be the uniform steel plate of the leg-of-mutton thickness of class, be 1 along the thickness in described 4th steel plate width direction with the ratio of the width of described 4th steel plate
:8-12, the height of the hypotenuse of described 6th steel plate successively decreases along described 5th steel plate successively towards the direction of described Part IV, and the height of the right-angle side perpendicular to described 4th steel plate of described 6th steel plate is equal with the height of described 5th steel plate.
Preferably, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, and the quantity of described 6th steel plate is 2.
Preferably, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, is provided with cushion block between described jack and described 5th steel plate.
Preferably, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, is provided with the backing plate making described first steel plate horizontal positioned between described first steel plate and described closure rod member.
Preferably, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, and described top arm-tie is one-body molded.
Preferably, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, and described supporting base is one-body molded.
The utility model at least comprises following beneficial effect:
The first, compliance is good: the closure being applicable to all kinds steel truss girder bridge;
The second, structure is simple: only need jack to coordinate steel plate installed-welded part can meet the closure requirement of steel truss girder;
Three, easy to make: the parts jack that this device needs is shaped article, and remaining part is all by steel plate installed-welded, easy to make;
Four, operability is good: when use is put in repacking, and only need can be met backing down or drawing over to one's side of closure mouth by the installation direction adjusting supporting base, the adjustment of closure mouth only needs to operate jack;
Five, safe and reliable: a whole set of adjustment System each ingredient degree of safety is high; Work progress special-less process, stable conditions, be convenient to control, construction technology risk is little;
Six, good economy performance: on the one hand, this device is primarily of market formed product composition, and simply, the cost of implement device itself is lower for assembling and processing; On the other hand, greatly save the closure operating time, there is extraordinary economic benefit;
Seven, use prospect good: this device shows good technical characterstic and superior economic performance in steel truss girder cable-stayed bridge closure, for the rapid adjustment of the type closure structure provides feasible method, there is good utilization prospect.
Part is embodied by explanation below by other advantage of the present utility model, target and feature, part also will by research and practice of the present utility model by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is that steel truss girder cable-stayed bridge described in the utility model joins the two sections of a bridge, etc the structural representation of rackwork fast;
Fig. 2 is the lateral view of top described in the utility model arm-tie;
Fig. 3 is the top view of top described in the utility model arm-tie;
Fig. 4 is the lateral view of supporting base described in the utility model;
Fig. 5 is the top view of supporting base described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to manual word to make those skilled in the art.
As shown in Fig. 1 ~ 5, the utility model provides a kind of steel truss girder cable-stayed bridge to join the two sections of a bridge, etc fast rackwork, comprising:
Top arm-tie 1, it comprises the first steel plate 11 of class cuboid, and along the width of described first steel plate 11 perpendicular to a pair symmetrical second steel plates 12 of described first steel plate 11, the upper surface of described first steel plate 11 is divided into Part I by described a pair second steel plates 12 successively, Part II and Part III, described first steel plate 11 is equipped with at described Part I and described Part III that polylith is vertical is fixed in described first steel plate 11 and the 3rd steel plate 13 offseted with described second steel plate 12, described first steel plate 11 has through strip notch 14 at described Part II, described Part III offers multiple first through hole 15, described multiple first through hole 15 matches with the screw of the steel truss girder 7 of closure mouth 5 side, and all do not contact with any one block of described 3rd steel plate 13 of this side,
Supporting base 2, it comprises the 4th steel plate 21 of class cuboid, and along the width of described 4th steel plate 21 upper surface perpendicular to the 5th steel plate 22 of described 4th steel plate 21, the upper surface of described 4th steel plate 21 is divided into Part IV and Part V by described 5th steel plate 22, described Part IV is provided with polylith and is vertically fixed in described 4th steel plate 21 and the 6th steel plate 23 offseted with described 5th steel plate 22, and the second through hole 24 that the screw of multiple closure rod member 6 assembled with the steel truss girder of closure mouth 5 opposite side matches, described second through hole 24 is not in contact with each other with any one block of described 6th steel plate 23,
Jack 3, it is arranged on the space that described Part II on described first steel plate 11 and described Part V overlap, and the base of described jack 3 and described second steel plate 12 offset, and piston rod and described 5th steel plate 22 of described jack 3 offset;
Wherein, described supporting base 2 is arranged in described notch 14 and relative sliding occurs, and the long limit of described first steel plate 11 is parallel to the long limit of described 4th steel plate 21.
In technique scheme, top arm-tie 1 is formed by the-steel plate 11, second steel plate 12, the 3rd steel plate 13 assembly welding, 3rd steel plate 13 jointly forms jack 3 counter-force seat when pushing up pulling process as stiffener and the second steel plate 12 as pushing tow Plate Welding on the first steel plate 11, first steel plate 11 has notch 14, and notch 14 size longitudinal distance of the satisfied adjustment of notch 14 sliding distance relatively can be as the criterion with supporting base 2 in notch 14.Supporting base 2 is formed by the 4th steel plate 21, the 5th steel plate 22, the 6th steel plate 23 assembly welding, the 6th steel plate 23 as stiffener and the 5th steel plate 22 as pushing tow Plate Welding on the 4th steel plate 21.
In another kind of technical scheme, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, in described a pair second steel plates 12, for any one piece of second steel plate 12, it is cuboid steel plate, and described second steel plate 12 is equal with the width of described first steel plate 11 along the length of described first steel plate 11 width.The length of the second steel plate 12 is equal with the width of the first steel plate 11, increases weld seam area, improves intensity.
In another kind of technical scheme, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, in described polylith the 3rd steel plate 13, for any one piece of the 3rd steel plate 13, its for cross section be the uniform steel plate of the leg-of-mutton thickness of class, be 1: 15-20 along the thickness of described first steel plate 11 width with the ratio of the width of described first steel plate 11, the height of the hypotenuse of described 3rd steel plate 13 successively decreases along the centre of described first steel plate 11 successively to direction, both sides, the height of the right-angle side perpendicular to described first steel plate 11 of described 3rd steel plate 13 is equal with the height of described second steel plate 12.3rd steel plate 13 and the first steel plate 11, second steel plate 12 vertical welding respectively, when ensureing weld seam area and intensity, decreases the use amount of steel, balances cost.
In another kind of technical scheme, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, described 5th steel plate 22 is cuboid steel plate, described 5th steel plate 22 is equal with the width of described 4th steel plate 21 along the length of described 4th steel plate 21 width, the length of the 5th steel plate 22 is equal with the width of the 4th steel plate 21, increase weld seam area, improve intensity.
In another kind of technical scheme, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, in described polylith the 6th steel plate 23, for any one piece of the 6th steel plate 23, its for cross section be the uniform steel plate of the leg-of-mutton thickness of class, be 1: 8-12 along the thickness of described 4th steel plate 21 width with the ratio of the width of described 4th steel plate 21, the height of the hypotenuse of described 6th steel plate 23 successively decreases along described 5th steel plate 22 successively towards the direction of described Part IV, the height of the right-angle side perpendicular to described 4th steel plate 21 of described 6th steel plate 23 is equal with the height of described 5th steel plate 22.6th steel plate 23 and the 4th steel plate 21, the 5th steel plate 22 vertical welding respectively, when ensureing weld seam area and intensity, decrease the use amount of steel, balance cost.
In another kind of technical scheme, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, and the quantity of described 6th steel plate 23 is 2.2 the 6th steel plates 23 can ensure keeping out of the intensity of supporting base 2 pairs of jack 3 piston rods.
In another kind of technical scheme, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, is provided with cushion block 4 between described jack 3 and described 5th steel plate 22.Jack 3 is contained between second steel plate 12 and the 5th steel plate 22 just.
In another kind of technical scheme, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, is provided with the backing plate 8 making described first steel plate 11 horizontal positioned between described first steel plate 11 and described closure rod member 6.Ensure that jack 3 horizontal positioned makes to keep longitudinally moving horizontally during pushing tow steel truss girder.
In another kind of technical scheme, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, and described top arm-tie 1 is one-body molded.Increase intensity, balance cost.
In another kind of technical scheme, described steel truss girder cable-stayed bridge joins the two sections of a bridge, etc rackwork fast, and described supporting base 2 is one-body molded.Increase intensity, balance cost.
Steel truss girder cable-stayed bridge described in the utility model joins the two sections of a bridge, etc rackwork fast, to in steel truss girder cable-stayed bridge closure process, by the steel truss girder 7 of top arm-tie 1 with closure mouth 5 side, by steel truss girder node splice bolt through the screw on the first through hole 15 and this side steel truss girder, realize top arm-tie 1 to be connected and fixed with steel truss girder, be fixedly connected with by the steel truss girder of closure rod member 6 with closure mouth 5 opposite side, the space between the closure rod member 6 of top arm-tie 1 and closure mouth 5 opposite side is leveled up by backing plate 8.
To needing the position of backing down closure mouth 5, by supporting base 2 and closure rod member 6, by steel truss girder node connecting bolt through the screw on the second through hole 24 and closure rod member 6, realize supporting base 2 to be connected and fixed with steel truss girder, make supporting base 2 be positioned at top arm-tie 1 middle institute otch 14, and the Part V of supporting base 2 is closer to closure mouth 5.Between the counter-force seat and the 5th steel plate 22 of supporting base 2 of the second steel plate 12 formation of top arm-tie 1, jack 3 is installed, makes the piston rod of jack 3 deviate from closure mouth 5 direction, reach adjustment object by the work of jack 3 to back down closure mouth 5.
To needing the position of drawing closure mouth 5 over to one's side, by supporting base 2 and closure rod member 6, by steel truss girder node connecting bolt through the screw on the second through hole 24 and closure rod member 6, realize supporting base 2 to be connected and fixed with steel truss girder, make supporting base 2 be positioned at top arm-tie 1 middle institute otch 14, and the Part IV of supporting base 2 is closer to closure mouth 5.Between the counter-force seat and the 5th steel plate 22 of supporting base 2 of the second steel plate 12 formation of top arm-tie 1, jack 3 is installed, makes the piston rod of jack 3 towards closure mouth 5 direction, reach adjustment object by the work of jack 3 to draw closure mouth 5 over to one's side.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in manual and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (10)
1. steel truss girder cable-stayed bridge joins the two sections of a bridge, etc a rackwork fast, it is characterized in that, comprising:
Top arm-tie, it comprises the first steel plate of class cuboid, and along the width of described first steel plate perpendicular to a pair symmetrical second steel plates of described first steel plate, the upper surface of described first steel plate is divided into Part I by described a pair second steel plates successively, Part II and Part III, described first steel plate is equipped with at described Part I and described Part III that polylith is vertical is fixed in described first steel plate and the 3rd steel plate offseted with described second steel plate, described first steel plate has through strip notch at described Part II, described Part III offers multiple first through hole, described multiple first through hole matches with the screw of the steel truss girder of closure mouth side, and all do not contact with any one block of described 3rd steel plate of this side,
Supporting base, it comprises the 4th steel plate of class cuboid, and along the width of described 4th upper surface of steel plate perpendicular to the 5th steel plate of described 4th steel plate, the upper surface of described 4th steel plate is divided into Part IV and Part V by described 5th steel plate, described Part IV is provided with polylith and is vertically fixed in described 4th steel plate and the 6th steel plate offseted with described 5th steel plate, and the second through hole that the screw of multiple closure rod member assembled with the steel truss girder of closure mouth opposite side matches, described second through hole and any one block of described 6th steel plate are not in contact with each other;
Jack, it is arranged on the space that described Part II on described first steel plate and described Part V overlap, and the base of described jack and described second steel plate offset, and piston rod and described 5th steel plate of described jack offset;
Wherein, described supporting base is arranged in described notch and relative sliding occurs, and the long limit of described first steel plate is parallel to the long limit of described 4th steel plate.
2. steel truss girder cable-stayed bridge as claimed in claim 1 joins the two sections of a bridge, etc rackwork fast, it is characterized in that, in described a pair second steel plates, for any one piece of second steel plate, it is cuboid steel plate, and described second steel plate is equal with the width of described first steel plate along the length in described first steel plate width direction.
3. steel truss girder cable-stayed bridge as claimed in claim 2 joins the two sections of a bridge, etc rackwork fast, it is characterized in that, in described polylith the 3rd steel plate, for any one piece of the 3rd steel plate, its for cross section be the uniform steel plate of the leg-of-mutton thickness of class, be 1: 15-20 along the thickness in described first steel plate width direction with the ratio of the width of described first steel plate, the height of the hypotenuse of described 3rd steel plate successively decreases along the centre of described first steel plate successively to direction, both sides, and the height of the right-angle side perpendicular to described first steel plate of described 3rd steel plate is equal with the height of described second steel plate.
4. steel truss girder cable-stayed bridge as claimed in claim 3 joins the two sections of a bridge, etc rackwork fast, and it is characterized in that, described 5th steel plate is cuboid steel plate, and described 5th steel plate is equal with the width of described 4th steel plate along the length in described 4th steel plate width direction.
5. steel truss girder cable-stayed bridge as claimed in claim 4 joins the two sections of a bridge, etc rackwork fast, it is characterized in that, in described polylith the 6th steel plate, for any one piece of the 6th steel plate, its for cross section be the uniform steel plate of the leg-of-mutton thickness of class, be 1: 8-12 along the thickness in described 4th steel plate width direction with the ratio of the width of described 4th steel plate, the height of the hypotenuse of described 6th steel plate successively decreases along described 5th steel plate successively towards the direction of described Part IV, and the height of the right-angle side perpendicular to described 4th steel plate of described 6th steel plate is equal with the height of described 5th steel plate.
6. steel truss girder cable-stayed bridge as claimed in claim 5 joins the two sections of a bridge, etc rackwork fast, and it is characterized in that, the quantity of described 6th steel plate is 2.
7. steel truss girder cable-stayed bridge as claimed in claim 6 joins the two sections of a bridge, etc rackwork fast, it is characterized in that, is provided with cushion block between described jack and described 5th steel plate.
8. steel truss girder cable-stayed bridge as claimed in claim 7 joins the two sections of a bridge, etc rackwork fast, it is characterized in that, is provided with the backing plate making described first steel plate horizontal positioned between described first steel plate and described closure rod member.
9. steel truss girder cable-stayed bridge as claimed in claim 8 joins the two sections of a bridge, etc rackwork fast, and it is characterized in that, described top arm-tie is one-body molded.
10. steel truss girder cable-stayed bridge as claimed in claim 9 joins the two sections of a bridge, etc rackwork fast, and it is characterized in that, described supporting base is one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377069.6U CN204849608U (en) | 2015-06-03 | 2015-06-03 | Steel longeron cable -stay bridge rackwork that joins two sections of a bridge, etc fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377069.6U CN204849608U (en) | 2015-06-03 | 2015-06-03 | Steel longeron cable -stay bridge rackwork that joins two sections of a bridge, etc fast |
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| CN204849608U true CN204849608U (en) | 2015-12-09 |
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| CN201520377069.6U Expired - Fee Related CN204849608U (en) | 2015-06-03 | 2015-06-03 | Steel longeron cable -stay bridge rackwork that joins two sections of a bridge, etc fast |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110512521A (en) * | 2019-07-30 | 2019-11-29 | 中铁大桥局集团有限公司 | The docking facilities and interconnection method of big segment steel truss girder |
-
2015
- 2015-06-03 CN CN201520377069.6U patent/CN204849608U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110512521A (en) * | 2019-07-30 | 2019-11-29 | 中铁大桥局集团有限公司 | The docking facilities and interconnection method of big segment steel truss girder |
| CN110512521B (en) * | 2019-07-30 | 2021-06-29 | 中铁大桥局集团有限公司 | Butt joint device and butt joint method for large-section steel truss girder |
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Granted publication date: 20151209 Termination date: 20210603 |
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| CF01 | Termination of patent right due to non-payment of annual fee |