CN2398320Y - Construction temporary bridge special for bridging - Google Patents
Construction temporary bridge special for bridging Download PDFInfo
- Publication number
- CN2398320Y CN2398320Y CN 99241478 CN99241478U CN2398320Y CN 2398320 Y CN2398320 Y CN 2398320Y CN 99241478 CN99241478 CN 99241478 CN 99241478 U CN99241478 U CN 99241478U CN 2398320 Y CN2398320 Y CN 2398320Y
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- Prior art keywords
- bar
- rectangle
- interim beam
- brace
- fixed
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- 238000010276 construction Methods 0.000 title claims abstract description 42
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 230000010354 integration Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000004308 accommodation Effects 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
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Abstract
The utility model relates to a construction temporary beam specially for bridging, and the international patent classification of which is E01D21/00. The utility model is composed of a slice-shaped rectangular temporary beam assembled by rectangular truss units; the node point of a lower chord of the slice-shaped rectangular temporary beam is downwards fixed with more than three straight bars; the lower ends of the straight bars are fixed into integration to form a reverse diagonally pull truss structure; both ends of the slice-shaped rectangular temporary beam are respectively fixed with an adjusting truss unit. The utility model can visibly enhance the bearing capacity and the rigidity of the construction temporary beam, and crossing capacity can be enhanced obviously so as to adapt the bridge construction with a larger span. The length of the construction temporary beam can be regulated arbitrarily according to the span of a bridge.
Description
The utility model is the interim beam of the special-purpose construction of a kind of bridge formation, it belongs to the bridge special equipment in the field of building of bridge and viaduct, international Patent classificating number: E01D21/00, it comprises following architectural feature: a kind of special-purpose interim beam of construction of building bridge is the assembly unit trussed construction, there is the rectangle truss element assembly unit unit, the rectangle truss element is by last lower chord, montant and brace are welded, one end of last lower chord is cloudy head, the other end then is positive head, cloudy, on the sun head pinhole is arranged all, the axis horizontal of pinhole, the sun head of one rectangle truss element can insert the cloudy head of another rectangle truss element, pin penetrates its pinhole, and a plurality of rectangle truss elements are assembled into the interim beam of a sheet rectangle.
People's Transportation Press, published in 1985 " introduced special-purpose interim the beam---Bei Lei beam of constructing of a kind of bridges formation in it " bridges and culverts " volume two one book of construction of the highway handbook, employing be the assembly unit trussed construction, Bei Leiliang is assembled by multi-disc rectangle standard block.The weak point of Bei Leiliang is that the supporting capacity and the rigidity of beam is all not high, and span ability is limited, and the interim beam of construction that only can assembly unit rectangle standard block integral multiple length.
The interim beam of the special-purpose construction of a kind of bridge formation has been introduced by Germany Philips Holzman company (PHILIP HOLZMANN GERMANY) in " prestressed concrete road bridge " (" spannbetonstrassenbr ü cken " published in 1973) book, adopt whole trussed construction, the interim beam of this sheet is referred to as scaffold, the length of every scaffold conforms to the span of bridge, be shaped as and wide at the top and narrow at the bottomly be trapezoidal, scaffold trussed construction such as accompanying drawing 1.The weak point of scaffold is that the supporting capacity and the rigidity of beam is all not high, and span ability is limited, and can not change scaffold length according to the bridge span needs.
The purpose of this utility model is to avoid the weak point of prior art, provide the special-purpose construction of a kind of bridge formation interim beam, it can significantly improve the supporting capacity and the rigidity of interim beam, thereby obviously improve span ability to adapt to the more construction of the bridge of large span, can also regulate the length of interim beam according to the span of bridge arbitrarily, with the construction needs of the bridge that adapts to different spans, especially can the accommodation curve bridge and the construction of special-shaped bridge.
The purpose of this utility model can reach by following measure: the node place at the lower chord of the interim beam of sheet rectangle is fixed with three downwards with upper straight rod, the lower end of straight-bar is fixed into one, form the structure of falling the oblique-pulling truss, also respectively be fixed with one at the two ends of the interim beam of sheet rectangle and adjust truss element, be used to finely tune the length of the interim beam of the special-purpose construction of this bridge formation, change the quantity of assembly unit rectangle truss element, then can regulate the interim beam large scale length of construction, with the construction needs of the bridge that adapts to different spans, especially can the accommodation curve bridge and the construction of special-shaped bridge.
The purpose of this utility model also can realize by following measure, node place at the lower chord of the interim beam of sheet rectangle is fixed with four straight-bars downwards, as shown in Figure 2, the lower end of four straight-bars is fixed into one, form the structure of falling the oblique-pulling truss, also respectively be fixed with one at the two ends of the interim beam of sheet rectangle and adjust truss element, as shown in Figure 5, adjust truss element and comprise that adjusting upper chord adjusts truss element with the triangle of adjusting the brace formation, adjusting upper chord and adjusting brace is expansion link, one end of flexible brace and an end of flexible upper chord are hinged, the other end of flexible upper chord and the upper chord of the interim beam of sheet rectangle are fixed, and the other end of flexible brace and the lower chord of the interim beam of sheet rectangle are hinged, bar and outer bar in expansion link divides, interior bar, outer bar longitudinally can relatively move, interior bar, on the outer bar boss is arranged, porose on the boss, the axis horizontal in hole, leading screw passes interior bar, there is nut in hole on the outer bar boss on the leading screw.
The utility model also can be realized by following measure, node place at the lower chord of the interim beam of sheet rectangle is fixed with three straight-bars downwards, as shown in Figure 3, be fixed with a downward vertical straight-bar on the middle part node of lower chord, each fixes a downward inclination straight-bar on two endpoint nodes of lower chord, the lower end of vertical straight-bar and inclination straight-bar crosses and is fixed together, form the structure of falling the oblique-pulling truss, also respectively be fixed with one at the two ends of the interim beam of sheet rectangle and adjust truss element, as shown in Figure 6, adjust the adjustment upper chord of truss element and adjust the welded triangle adjustment truss element that brace is the different length size, triangle is adjusted truss element by bolt, alignment pin and the interim beam of sheet rectangle are fixed into one.
Adopt the utility model, the fixing downwards structure of falling the oblique-pulling truss that forms on the lower chord of the interim beam of sheet rectangle, can increase the purlin height of interim beam greatly, make the stressed reduction of upper chord, lower chord, montant and the brace of interim beam, significantly improve the supporting capacity and the rigidity of interim beam, thereby obviously improve span ability to adapt to the more construction of the bridge of large span; The adjustment unit at two ends, the length of the interim beam of fine-tuning construction changes the quantity of assembly unit rectangle truss element, then can regulate the interim beam large scale length of construction, with the construction needs of the bridge that adapts to different spans, especially can the accommodation curve bridge and the construction of special-shaped bridge.
The utility model has following accompanying drawing:
Fig. 1: prior art scaffold trussed construction.
Fig. 2: the interim beam trussed construction of construction of the present utility model view.
Fig. 3: of the present utility model another interim beam trussed construction view of constructing.
Fig. 4: rectangle truss unit structure view of the present utility model.
Fig. 5: adjustment truss unit structure view of the present utility model.
Fig. 6: of the present utility model another adjusted the truss unit structure view.
Fig. 7: another adjustment truss unit structure view of the present utility model.
Below in conjunction with accompanying drawing most preferred embodiment of the present utility model is described further:
Rectangle truss unit structure 1 as shown in Figure 4, the moon by lower chord place on the rectangle truss element, sun head and pin, the rectangle truss element is assembled into the interim beam of a sheet rectangle, on the intermediate node of lower chord, be fixed with a downward vertical straight-bar 2, each fixes a downward inclination straight-bar 3 on two endpoint nodes of lower chord, the lower end of vertical straight-bar 2 and inclination straight-bar 3 crosses and is fixed together, form the structure of falling the oblique-pulling truss, add a downward vertical straight-bar on the intermediate node, each fixes a downward inclination straight-bar on two endpoint nodes, can increase the purlin height of interim beam to greatest extent, make the upper chord of interim beam, lower chord, the stressed reduction of montant and brace, significantly improve the supporting capacity and the rigidity of interim beam, thereby obviously improve span ability to adapt to the more construction of the bridge of large span, and the deadweight of vertical straight-bar and inclination straight-bar is the lightest, also respectively be fixed with one at the two ends of the interim beam of sheet rectangle and adjust truss element as shown in Figure 5, adjust truss element and comprise that adjusting upper chord adjusts truss element with the triangle of adjusting the brace formation, adjusting upper chord 4 and adjusting brace 5 is expansion link, one end of flexible brace 5 and an end of flexible upper chord 4 are hinged, the other end of flexible upper chord 4 and the upper chord of the interim beam of sheet rectangle 6 are fixing, the other end of flexible brace 5 and the lower chord 7 of the interim beam of sheet rectangle are hinged, bar 8 and outer bar 9 in expansion link divides, interior bar 8, outer bar 9 longitudinally can relatively move, interior bar, boss 10 is arranged on the outer bar, on the boss 10 porose 11, the axis horizontal in hole 11, leading screw 12 passes interior bar, hole on the outer bar boss, bar or outer bar in relatively moving, the fixing nut on the leading screw 13, the length of the interim beam of fine-tuning construction.
Another embodiment of the present utility model, it is adjusted the truss element employing and adjusts truss element as shown in Figure 7, adjust upper chord 14, adjusting brace 15 is expansion link, on the bar external screw thread 16 is arranged in flexible, on the flexible outer bar internal thread 17 is arranged, the external screw thread 16 of bar screws with the internal thread 17 of flexible outer bar in flexible, an end of adjusting brace 15 is hinged with an end of adjusting upper chord 14, adjusting the other end of upper chord 14 and the upper chord 6 of the interim beam of sheet rectangle fixes, the other end of adjustment brace 15 and the lower chord 7 of the interim beam of sheet rectangle are hinged, rotate flexible outer bar or flexible interior bar, the length of the interim beam of fine-tuning construction.
Claims (6)
1, a kind of special-purpose interim beam of construction of building bridge is the assembly unit trussed construction, there is the rectangle truss element assembly unit unit, the rectangle truss element is by last lower chord, montant and brace are welded, one end of last lower chord is cloudy head, the other end then is positive head, cloudy, on the sun head pinhole is arranged all, the axis horizontal of pinhole, the sun head of one rectangle truss element can insert the cloudy head of another rectangle truss element, pin penetrates its pinhole, a plurality of rectangle truss elements are assembled into the interim beam of a sheet rectangle, it is characterized in that being fixed with three downwards with upper straight rod at the node place of the lower chord of the interim beam of sheet rectangle, the lower end of straight-bar is fixed into one, forms the structure of falling the oblique-pulling truss, also respectively is fixed with one at the two ends of the interim beam of sheet rectangle and adjusts truss element.
2, the interim beam of construction as claimed in claim 1, it is characterized in that being fixed with a downward vertical straight-bar on the middle part node of lower chord, each fixes a downward inclination straight-bar on two endpoint nodes of lower chord, the lower end of vertical straight-bar and inclination straight-bar crosses and is fixed together, and forms the structure of falling the oblique-pulling truss.
3, the interim beam of construction as claimed in claim 1 is characterized in that being fixed with four downward inclination straight-bars on the node of lower chord, and the lower end of inclination straight-bar is fixed into one, forms the structure of falling the oblique-pulling truss.
4, as claim 1,2, the interim beam of 3 described constructions, it is characterized in that adjusting truss element and comprise the triangle adjustment truss element of adjusting upper chord and adjusting the brace formation, adjust upper chord and adjust brace and be expansion link, one end of flexible brace and an end of flexible upper chord are hinged, the other end of flexible upper chord and the upper chord of the interim beam of sheet rectangle are fixed, the other end of flexible brace and the lower chord of the interim beam of sheet rectangle are hinged, bar and outer bar in expansion link divides, interior bar, outer bar longitudinally can relatively move, interior bar, on the outer bar boss is arranged, porose on the boss, the axis horizontal in hole, leading screw passes interior bar, there is nut in hole on the outer bar boss on the leading screw.
5, as claim 1,2, the interim beam of 3 described constructions, it is characterized in that adjusting the adjustment upper chord of truss element and adjust the welded triangle adjustment truss element that brace is the different length size, triangle is adjusted truss element and is fixed into one by bolt, alignment pin and the interim beam of sheet rectangle.
6, as claim 1,2, the interim beam of 3 described constructions, the adjustment upper chord, the adjustment brace that it is characterized in that adjusting truss element are expansion link, on the bar external screw thread is arranged in flexible, on the flexible outer bar internal thread is arranged, the external screw thread of bar screws with the internal thread of flexible outer bar in flexible, an end of adjusting brace is hinged with an end of adjusting upper chord, adjusts the other end of upper chord and the upper chord of the interim beam of sheet rectangle and fixes, and the other end of adjustment brace and the lower chord of the interim beam of sheet rectangle are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99241478 CN2398320Y (en) | 1999-11-03 | 1999-11-03 | Construction temporary bridge special for bridging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99241478 CN2398320Y (en) | 1999-11-03 | 1999-11-03 | Construction temporary bridge special for bridging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2398320Y true CN2398320Y (en) | 2000-09-27 |
Family
ID=34028332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99241478 Expired - Fee Related CN2398320Y (en) | 1999-11-03 | 1999-11-03 | Construction temporary bridge special for bridging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2398320Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100455756C (en) * | 2006-04-28 | 2009-01-28 | 何开智 | Joint device and connection method of steel frame |
| CN103343508A (en) * | 2013-07-04 | 2013-10-09 | 田仁兰 | Upper chord lengthened type assembly type main beam |
| CN113897870A (en) * | 2021-10-15 | 2022-01-07 | 广西路桥工程集团有限公司 | Assembled longitudinal beam, assembled buttress-free support, assembled buttress-free system and design method of assembled longitudinal beam and assembled buttress-free support |
-
1999
- 1999-11-03 CN CN 99241478 patent/CN2398320Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100455756C (en) * | 2006-04-28 | 2009-01-28 | 何开智 | Joint device and connection method of steel frame |
| CN103343508A (en) * | 2013-07-04 | 2013-10-09 | 田仁兰 | Upper chord lengthened type assembly type main beam |
| CN113897870A (en) * | 2021-10-15 | 2022-01-07 | 广西路桥工程集团有限公司 | Assembled longitudinal beam, assembled buttress-free support, assembled buttress-free system and design method of assembled longitudinal beam and assembled buttress-free support |
| CN113897870B (en) * | 2021-10-15 | 2022-07-08 | 广西路桥工程集团有限公司 | Assembled longitudinal beam, assembled buttress-free support, assembled buttress-free system and design method of assembled longitudinal beam and assembled buttress-free support |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Patentee address after: 604-1, room 6, building 45, Datong Town Apartments, Datong Road, Yuzhong, Chongqing, 400010 Patentee address before: Victory road 400013 Chongqing city Yuzhong District No. 132 office building 11 OceanPower Civil Engineering Design Institute |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |