CN213296090U - Hanging flower basket is pour to railway bridge cantilever concrete structure - Google Patents
Hanging flower basket is pour to railway bridge cantilever concrete structure Download PDFInfo
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- CN213296090U CN213296090U CN202021202934.0U CN202021202934U CN213296090U CN 213296090 U CN213296090 U CN 213296090U CN 202021202934 U CN202021202934 U CN 202021202934U CN 213296090 U CN213296090 U CN 213296090U
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Abstract
The utility model discloses a railway bridge cantilever concrete structure pouring hanging basket, the railway bridge comprises a beam body with a beam body flange plate and a preformed hole, the cantilever structure is used for overhanging the beam body flange plate, and comprises a plurality of crossbeams with one ends overhanging the beam body flange plate and a plurality of lower longitudinal beams suspended below the crossbeams; the beam and the lower longitudinal beam are double-spliced I-shaped steel with reserved seams, the anchor connection is carried out on the beam and the lower longitudinal beam by penetrating the anchor rod through the reserved seams, and the beam body are connected by penetrating the anchor rod through the reserved seams and the reserved holes in an anchor mode. The railway bridge cantilever concrete structure pouring hanging basket can be used as a supporting stress structure and an operating platform of contact net foundation or car avoidance platform concrete and is used for construction of the contact net foundation or the car avoidance platform.
Description
Technical Field
The utility model relates to a bridge construction technical field especially relates to a hanging flower basket is pour to railway bridge cantilever concrete structure.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
There are many cantilever concrete structures in the railway bridge, like railway bridge contact net basis and dodge platform etc. contact net basis mainly is used the installation of railway contact net pole, and the platform of dodging then mainly dodges the car and uses when personnel overhaul. The railway bridge contact net foundation or the train avoiding platform is generally widened at two sides of a beam body, and a part of the outer side of a flange plate of the beam body is protruded and poured by reinforced concrete. The construction of the beam body by the movable formwork segment assembling method includes that the whole-hole beam body is prefabricated in a prefabricated field in a segmented mode, after the beam section is prefabricated, a beam transporting vehicle is used for transporting the beam section to a construction field, a bridge fabrication machine is used for hoisting the beam section to a linear position, wet joints between the beam sections are constructed after the linear shape is adjusted, the wet joints are poured by reinforced concrete, and after the wet joints are completed, the whole-hole beam body is formed in a stretch-draw mode. Because the contact net basis and dodge the platform protrusion in the roof beam body flange board outside, if prefabricated in advance, the bulge can conflict with the outer construction platform position of bridge fabrication machine, can cause the influence to bridge fabrication machine via hole. Therefore, the contact net foundation and the car avoidance platform are generally constructed after the beam body is assembled.
The contact net foundation and the car avoidance platform overhang flange plate can be supported by a full support or a steel pipe upright post during pouring, but are only suitable for the condition that the height of a bridge pier is low, and when the height of the bridge pier is high, the condition that the support is erected from the ground is not provided. Moreover, the full support structure is complex, the building is not easy, the consumed materials are more, and the improvement of the construction efficiency and the cost saving are not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses because construction process limits to the roof beam body, need pour contact net basis or dodge the platform concrete after, provide a railway bridge cantilever concrete structure and pour the hanging flower basket, be used as cantilever concrete placement's bearing structure.
The utility model adopts the technical scheme as follows:
the utility model provides a hanging flower basket is pour to railway bridge cantilever concrete structure, railway bridge is including the roof beam body of taking roof beam body flange board and preformed hole, its characterized in that:
the cantilever structure is used for overhanging the beam body flange plate and comprises a plurality of cross beams with one ends overhanging the beam body flange plate and a plurality of lower longitudinal beams suspended below the cross beams;
the beam and the lower longitudinal beam are double-spliced I-shaped steel with reserved seams, the anchor connection is carried out on the beam and the lower longitudinal beam by penetrating the anchor rod through the reserved seams, and the beam body are connected by penetrating the anchor rod through the reserved seams and the reserved holes in an anchor mode.
Further, still including setting up a plurality of longerons in the crossbeam top, the longeron also is the double-pin I-steel, with crossbeam and longeron down pass through the stock carries out the anchor and is connected, and/or with crossbeam and roof beam body pass through the stock carries out the anchor and is connected.
Further, a lower cushion I-shaped steel is arranged between the cross beam and the beam body, and the lower cushion I-shaped steel is also a double-spliced I-shaped steel.
Furthermore, a plurality of transverse distribution beams are erected on the lower longitudinal beam, hanging basket plates are paved on the transverse distribution beams, and guardrails are arranged around the hanging basket plates.
Furthermore, the cantilever concrete structure is a railway bridge contact net foundation and/or a vehicle avoidance platform, the reserved holes are water drainage holes and/or ventilation holes in the railway bridge, and the anchor rods are finish-rolled deformed steel bars.
Further, the double-spliced I-shaped steel is connected by thick steel plates, and the width of the reserved seam is 3-5 cm.
Further, the longitudinal beam is single-section type or multi-section type.
Further, the longitudinal beam is multi-section.
Furthermore, the number of the cross beams is two, the number of the lower longitudinal beams is two, and the cross beams and the lower longitudinal beams are of non-intersecting # -shaped structures.
Furthermore, two sections of longitudinal beams are arranged above the beam body and correspond to the two cross beams.
Through comprehensively adopting the technical scheme, the utility model discloses can gain following beneficial effect:
the finish-rolled deformed steel bar is used as a rear anchor, the double-spliced I-shaped steel cross beam with the reserved joint is anchored on the beam body by utilizing the reserved hole on the beam body, and the lower longitudinal beam is suspended below the extending end of the cross beam to form a cantilever supporting structure which can be used as a supporting stress structure and an operating platform of contact network foundation or avoidance platform concrete and is used for construction of the contact network foundation or the avoidance platform. The structure processing and the use operation of pouring the hanging basket are simple, the service life is long, the maintenance work is less, and the working efficiency can be effectively improved.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the overall structure of a cantilever concrete vehicle-avoiding platform of a railway bridge in some embodiments;
FIG. 2 is a schematic cross-sectional view taken at I-I of FIG. 1;
FIG. 3 is a schematic diagram of the overall structure of a concrete contact network foundation of a cantilever of a railroad bridge in some embodiments;
fig. 4 is a schematic sectional view at II-II in fig. 1.
Description of reference numerals:
the method comprises the following steps of 1-cross beam, 21-front lower longitudinal beam, 22-rear lower longitudinal beam, 3-longitudinal beam, 4-lower cushion I-steel, 5-transverse distribution beam, 6-anchor rod, 7-preformed hole, 8-beam body, 91-car avoidance platform and 92-contact net foundation.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the drawings of the present invention, it should be understood that different technical features which are not mutually alternative are shown in the same drawing, and the embodiment described with reference to the drawings is not indicated or implied to include all the technical features in the drawings only for the convenience of simplifying the drawing description and reducing the number of drawings, and thus should not be understood as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-4, the utility model relates to a hanging flower basket is pour to railway bridge cantilever concrete structure. The railroad bridge comprises a beam body 8, and the beam body 8 is provided with a beam body flange plate. The cantilever concrete structure can be a structure such as a railway bridge contact net foundation 92 or a car-avoiding platform 91 which needs to protrude out of the outer side of a beam body flange plate. The casting hanging basket is of a cantilever structure for overhanging a flange plate of a beam body and comprises a cross beam 1 and a lower longitudinal beam. One end of the beam 1 is cantilevered out of the beam body flange plate, and the other end is anchored on the beam body 8 through an anchor rod 6. The side sills are suspended below the extending ends of the cross beams 1 and are also connected by anchoring with anchor rods 6. The protruding end of the beam 1 can be called front end and the other end back end. In addition, the definition of the transverse and longitudinal directions is based on the railway bridge, wherein the traveling direction along the railway bridge of the vehicle is defined as the longitudinal direction.
In some embodiments, the beam 8 has a preformed hole 7, which may be a vent hole, a drain hole, or the like, and the anchor rod 6 passes through the preformed hole 7 of the beam 8 and the beam 1, thereby connecting the beam 1 and the beam 8 in an anchoring manner. In other embodiments, the pouring basket further comprises a plurality of longitudinal beams 3, the longitudinal beams 3 are erected above the cross beams 1, and the longitudinal beams 3 can participate in the anchoring connection between the cross beams 1 and the lower longitudinal beams and/or participate in the anchoring connection between the cross beams 1 and the beam bodies 8. The anchor 6 is made of a material having sufficiently excellent physical properties such as strength and toughness, for example, finish-rolled deformed steel.
In some embodiments, the beam 1 is a double-split i-beam with a reserved slot through which the anchor rod 6 can pass. In some embodiments, the side sills are also double-split i-beams with reserved seams, and the anchor rods 6 are connected by passing through the reserved seams of the cross beam 1 and the side sills in an anchoring manner. In some embodiments, the longitudinal beam 3 is also a double-split i-steel with a reserved seam, the longitudinal beam 3 is erected above the cross beam 1, and the anchor rod 6 sequentially penetrates through the longitudinal beam 3 and the cross beam 1 from top to bottom. The size of the reserved seam of the double-spliced I-shaped steel can be designed according to the actual field and the size of the anchor rod 6, for example, the width of the reserved seam can be 3-5 cm.
In some embodiments, the longitudinal beams 3 are single-segment, for example, a plurality of cross beams 1 are connected by a length of the longitudinal beams 3. In other embodiments, the longitudinal beams 3 are multi-segmented, for example, one longitudinal beam 3 is only set on one cross beam 1. In at least one embodiment, two cross beams 1 and two side sills are respectively arranged, the side sills comprise a front side sill 21 and a rear side sill 22, the cross beams 1 and the side sills are in a crisscross structure without intersecting, each cross beam 1 corresponds to a longitudinal beam 3, and the longitudinal beams 3 are arranged above the beam body 8.
In some embodiments, a lower cushion i-shaped steel 4 is arranged between the beam 1 and the beam body 8, and is used for dispersing the pressure of the beam 1 on the beam body 8, and reducing or avoiding the damage of the beam body 8 caused by the overlarge pressure of the beam 1. In at least one embodiment, the lower cushion i-steel 4 is also a double-split i-steel, and in some embodiments, it may also be a double-split i-steel with a reserved seam.
In some embodiments, a plurality of transverse distribution beams 5 are erected on the lower longitudinal beam, basket plates are laid on the transverse distribution beams 5, and guardrails are arranged around the basket plates.
At least one exemplary embodiment is now provided in connection with the drawings, a detailed description of which is provided in the drawings not intended to limit the scope of the claimed invention, but is merely representative of exemplary embodiments provided in the invention.
Referring to fig. 1-2, the exemplary embodiment relates to a railway bridge cantilever concrete structure pouring hanging basket, in particular to a railway bridge cantilever concrete sheltering platform pouring hanging basket. The pouring hanging basket comprises a cross beam 1, a front lower longitudinal beam 21, a rear lower longitudinal beam 22, a transverse distribution beam 5, a lower cushion I-shaped steel 4 and finish-rolled deformed steel bars, and further comprises a longitudinal beam 3 which is positioned above a beam body 8 and erected on the cross beam 1. The cross beam 1, the longitudinal beam 3, the front lower longitudinal beam 21 and the rear lower longitudinal beam 22 are all double-spliced I-shaped steel with reserved seams. And the finish-rolled deformed steel bar penetrates through reserved seams on the longitudinal beam 3 and the cross beam 1 and then penetrates through a water drainage hole reserved on the beam body 8, and then the rear end of the cross beam 1 is anchored on the beam body 8. The front end of the cross beam 1 is cantilevered out of the flange plate of the beam body, and the front lower longitudinal beam 21 and the rear lower longitudinal beam 22 are hung down by using finish-rolled deformed steel bars at the cantilevered position of the front end of the cross beam 1. The transverse distribution beam 5 is laid between the front lower longitudinal beam 21 and the rear lower longitudinal beam 22, a hanging basket plate is laid on the transverse distribution beam 5, and guardrails are arranged around the hanging basket plate to form a concrete supporting stress structure and an operation platform of the car avoidance platform 91 for construction of the car avoidance platform 91.
Exemplary embodiment 2
Referring to fig. 3-4, the exemplary embodiment relates to a hanging basket for pouring a cantilever concrete structure of a railway bridge, in particular to a hanging basket for pouring a foundation of a cantilever concrete contact net of a railway bridge. The pouring hanging basket comprises a cross beam 1, a front lower longitudinal beam 21, a rear lower longitudinal beam 22, a transverse distribution beam 5, a lower cushion I-shaped steel 4 and finish-rolled deformed steel bars, and further comprises a longitudinal beam 3 erected on the cross beam 1. The cross beam 1, the longitudinal beam 3, the front lower longitudinal beam 21 and the rear lower longitudinal beam 22 are all double-spliced I-shaped steel with reserved seams. And the finish-rolled deformed steel bar penetrates through reserved seams on the longitudinal beam 3 and the cross beam 1 and then penetrates through a reserved vent hole on the beam body 8, and then the rear end of the cross beam 1 is anchored on the beam body 8. The front end of the cross beam 1 is cantilevered out of a flange plate of the beam body, a front lower longitudinal beam 21 and a rear lower longitudinal beam 22 are hung downwards at the cantilevered position of the front end of the cross beam 1 by using finish-rolled deformed steel bars, and the finish-rolled deformed steel bars sequentially penetrate through the longitudinal beam 3, the cross beam 1, the front lower longitudinal beam 21 or the rear lower longitudinal beam 22 from top to bottom. The transverse distribution beam 5 is laid between the front lower longitudinal beam 21 and the rear lower longitudinal beam 22, a hanging basket plate is laid on the transverse distribution beam 5, and guardrails are arranged around the hanging basket plate to form a contact net foundation 92 concrete supporting stress structure and an operation platform which are used for contact net foundation 92 construction.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (10)
1. The utility model provides a hanging flower basket is pour to railway bridge cantilever concrete structure, railway bridge is including the roof beam body of taking roof beam body flange board and preformed hole, its characterized in that:
the cantilever structure is used for overhanging the beam body flange plate and comprises a plurality of cross beams with one ends overhanging the beam body flange plate and a plurality of lower longitudinal beams suspended below the cross beams;
the beam and the lower longitudinal beam are double-spliced I-shaped steel with reserved seams, the anchor connection is carried out on the beam and the lower longitudinal beam by penetrating the anchor rod through the reserved seams, and the beam body are connected by penetrating the anchor rod through the reserved seams and the reserved holes in an anchor mode.
2. The railroad bridge cantilever concrete structure pouring basket according to claim 1, wherein: still including setting up a plurality of longerons in crossbeam top, the longeron also is the double-pin I-steel, with crossbeam and longeron down pass through the stock carries out the anchor and connects, and/or with crossbeam and roof beam body pass through the stock carries out the anchor and connects.
3. The railroad bridge cantilever concrete structure pouring basket according to claim 1 or 2, wherein: and a lower cushion I-shaped steel is arranged between the cross beam and the beam body and is also a double-spliced I-shaped steel.
4. The railroad bridge cantilever concrete structure pouring basket according to claim 1 or 2, wherein: the lower longitudinal beam is provided with a plurality of transverse distribution beams, hanging basket plates are paved on the transverse distribution beams, and guardrails are arranged around the hanging basket plates.
5. The railroad bridge cantilever concrete structure pouring basket according to claim 1 or 2, wherein: the cantilever concrete structure is a railway bridge contact net foundation and/or a vehicle avoidance platform, the preformed hole is a water drainage hole and/or a ventilation hole in the railway bridge, and the anchor rod is finish-rolled deformed steel bar.
6. The railroad bridge cantilever concrete structure pouring basket according to claim 1 or 2, wherein: the double-spliced I-shaped steel is connected by thick steel plates, and the width of the reserved seam is 3-5 cm.
7. The railroad bridge cantilever concrete structure pouring basket according to claim 1 or 2, wherein: the longitudinal beam is in a single-section type or a multi-section type.
8. The railroad bridge cantilever concrete structure pouring basket according to claim 7, wherein: the longitudinal beam is in a multi-section type.
9. The railroad bridge cantilever concrete structure pouring basket according to claim 8, wherein: the number of the cross beams is two, the number of the lower longitudinal beams is two, and the cross beams and the lower longitudinal beams are of non-intersecting # -shaped structures.
10. The railroad bridge cantilever concrete structure pouring basket according to claim 9, wherein: two sections of longitudinal beams are arranged above the beam body and correspond to the two cross beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021202934.0U CN213296090U (en) | 2020-06-24 | 2020-06-24 | Hanging flower basket is pour to railway bridge cantilever concrete structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021202934.0U CN213296090U (en) | 2020-06-24 | 2020-06-24 | Hanging flower basket is pour to railway bridge cantilever concrete structure |
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| Publication Number | Publication Date |
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| CN213296090U true CN213296090U (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021202934.0U Active CN213296090U (en) | 2020-06-24 | 2020-06-24 | Hanging flower basket is pour to railway bridge cantilever concrete structure |
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| CN (1) | CN213296090U (en) |
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