CN217174391U - Concrete pump pipe bridge-loading device for cast-in-situ prestressed continuous beam bridge - Google Patents
Concrete pump pipe bridge-loading device for cast-in-situ prestressed continuous beam bridge Download PDFInfo
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- CN217174391U CN217174391U CN202220542870.1U CN202220542870U CN217174391U CN 217174391 U CN217174391 U CN 217174391U CN 202220542870 U CN202220542870 U CN 202220542870U CN 217174391 U CN217174391 U CN 217174391U
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Abstract
The utility model discloses a concrete pump pipe bridge-loading device for a cast-in-situ prestressed continuous beam bridge, which comprises a three-dimensional support frame component, a transverse positioning rib (4) and a longitudinal positioning rib (5); the lower end of the three-dimensional support frame component is fixedly arranged on a bridge bearing platform (100), the upper end of the three-dimensional support frame component extends to the lower part of a bridge floor, the three-dimensional support frame component is positioned in a gap between two adjacent bridge pier bodies (200), and two side ends of the three-dimensional support frame component are fixed on the two bridge pier bodies; a pair of horizontal location muscle constitutes groined type locating rack with the perpendicular overlap joint of a pair of longitudinal direction location muscle, and a plurality of groined type locating racks are located same vertical axis and overlap joint on the three-dimensional support frame subassembly, and concrete pump pipe (6) lower extreme concrete delivery pump (400) are connected, and concrete pump pipe upper end runs through a plurality of groined type locating racks in proper order and extends to the bridge floor top by supreme down. The utility model discloses can improve cast-in-place prestressing force continuous beam bridge's bridge floor concrete placement's construction quality and efficiency of construction.
Description
Technical Field
The utility model relates to a bridge construction facility especially relates to a concrete pump pipe device of going up bridge for cast-in-place prestressing force continuous beam bridge.
Background
The girder bridge is a bridge with a main girder which mainly bends as a bearing component, and the main girder can be a solid web girder or a truss girder. The solid web girder has simple structure and convenient manufacture, erection and maintenance, and is widely used for medium-span and small-span bridges; the member of the truss girder bears the axial force, the material can be fully utilized, the dead weight is light, the spanning capability is large, and the truss girder is mainly used for building a large-span bridge. At present, a plurality of cast-in-place prestressed continuous beam bridges need to span deep valleys, rivers, existing lines and the like, are poor in construction environment, are high in bridge floor height, and accordingly concrete pouring of the bridge floor is difficult, construction quality of the cast-in-place prestressed continuous beam bridges is poor, and construction efficiency is low.
Disclosure of Invention
An object of the utility model is to provide a concrete pump pipe device of going up bridge for cast-in-place prestressing force continuous beam bridge can improve the bridge floor concrete placement's of cast-in-place prestressing force continuous beam bridge construction quality and efficiency of construction.
The utility model discloses a realize like this:
a concrete pump pipe bridge-mounting device for a cast-in-situ prestressed continuous beam bridge comprises a bridge bearing platform, a bridge pier body constructed on the bridge bearing platform and a bridge box girder constructed on the bridge pier body, wherein a gap is reserved between each adjacent bridge pier body and each adjacent bridge box girder;
the concrete pump pipe bridge erecting device comprises a three-dimensional support frame assembly, a transverse positioning rib and a longitudinal positioning rib; the lower end of the three-dimensional support frame assembly is fixedly arranged on a bridge bearing platform, the upper end of the three-dimensional support frame assembly extends to the lower part of a bridge floor, the three-dimensional support frame assembly is positioned in a gap between two adjacent bridge pier bodies, and the two side ends of the three-dimensional support frame assembly are respectively fixed on the two bridge pier bodies; a pair of horizontal location muscle constitutes the groined type locating rack with the perpendicular overlap joint of a pair of longitudinal direction muscle, and a plurality of groined type locating racks are located same vertical axis and overlap joint respectively on the three-dimensional support frame subassembly, and the lower extreme of concrete pump pipe is connected with the concrete delivery pump that is located on the bridge cushion cap, and the upper end of concrete pump pipe is from lower supreme a plurality of groined type locating racks of running through in proper order and extending to the bridge floor top.
The three-dimensional support frame assembly comprises a stand column, a cross bar and a connecting rod; the upright columns are vertically arranged on the bridge bearing platform and are positioned between two adjacent bridge pier bodies, and the upper ends of the upright columns extend to the lower part of the bridge deck; the plurality of cross rods are respectively and transversely connected between two adjacent upright posts, and two ends of each cross rod are fixedly connected to the bridge pier body; the connecting rods are longitudinally connected between two adjacent upright columns respectively and are lapped at the connecting points of the upright columns and the cross rods; the # -shaped positioning frame is lapped on the cross rod and the connecting rod.
The two ends of a pair of transverse positioning ribs of the # -shaped positioning frame are respectively and fixedly connected to the two bridge pier bodies, and the pair of transverse positioning ribs is vertically lapped with the connecting rod.
Two ends of a pair of longitudinal positioning ribs of the # -shaped positioning frame are vertically lapped on the two cross rods respectively.
The axial direction of the concrete pump pipe, the axial direction of the # -shaped positioning frame and the axial direction of the three-dimensional support frame component are overlapped, and the axial direction of the concrete pump pipe is parallel to the central line of the bridge box girder.
The concrete pump pipe is positioned between the gaps of the two adjacent bridge box girders and is fixed on the bridge box girders through a pump pipe support.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses owing to be equipped with three-dimensional support frame subassembly, utilize the vertical support point of bridge cushion cap as three-dimensional support frame subassembly, utilize bridge pier shaft as the horizontal strong point of three-dimensional support frame subassembly, guaranteed the stability of setting up of three-dimensional support frame subassembly between bridge cushion cap and bridge floor, overcome the problem that construction environment is abominable and can't lay concrete pump pipe, thereby guarantee the stable setting of follow-up groined type locating rack and concrete pump pipe, and then guaranteed the reliable pump sending of bridge face concrete, be applicable to and need stride across the deep valley, the river, in the construction operation of the prestressing force continuous beam bridge of existing line etc..
2. The utility model discloses owing to be equipped with groined type locating rack, utilize three-dimensional support frame subassembly to provide vertical support for groined type locating rack, utilize the bridge mound body to provide horizontal support for groined type locating rack to through groined type structure accurate positioning concrete pump pipe, guarantee concrete pump pipe's installation stability, prevent that the concrete pumping in-process is because factors such as vibration influence concrete pump pipe's straightness and stability hang down, guaranteed concrete pump pipe's safety and the lasting pump sending of concrete, improved the construction quality and the efficiency of construction of bridge floor.
3. The utility model has the advantages of easily draw materials and preparation, construction cost and the construction degree of difficulty are low, set up swiftly, dismantle convenient, small, can set up in the clearance of bridge pier shaft, can wide application in the operation of pouring of the bridge deck of various forms.
Drawings
FIG. 1 is an elevation view of a concrete pump pipe bridge-erecting device for a cast-in-place prestressed continuous girder bridge of the present invention;
fig. 2 is a plan view of a concrete pump pipe bridge-loading device for a cast-in-place prestressed continuous beam bridge of the present invention.
In the figure, 100 bridge bearing platforms, 200 bridge pier bodies, 300 bridge box girders, 400 concrete conveying pumps, 1 upright post, 2 cross rods, 3 connecting rods, 4 transverse positioning ribs, 5 longitudinal positioning ribs, 6 concrete pump pipes and 61 pump pipe supports.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 and 2, a concrete pump pipe upper bridge device for a cast-in-place prestressed continuous girder bridge includes a bridge cap 100, a bridge pier body 200 constructed on the bridge cap 100, and a bridge box girder 300 constructed on the bridge pier body 200; gaps are reserved between the adjacent bridge pier bodies 200 and the adjacent bridge box girders 300, and the bridge bearing platform 100, the bridge pier bodies 200 and the bridge box girders 300 are constructed by adopting the existing process of a cast-in-place prestressed continuous beam bridge, and are not described again here. The concrete pump pipe bridge erecting device comprises a three-dimensional support frame assembly, a transverse positioning rib 4 and a longitudinal positioning rib 5; the lower end of the three-dimensional support frame assembly is fixedly arranged on the bridge bearing platform 100, the upper end of the three-dimensional support frame assembly extends to the lower part of the bridge floor, the three-dimensional support frame assembly is positioned in a gap between two adjacent bridge pier bodies 200, and the two side ends of the three-dimensional support frame assembly are respectively fixed on the two bridge pier bodies 200; a pair of horizontal location muscle 4 constitutes the groined type locating rack with the perpendicular overlap joint of a pair of longitudinal direction muscle 5, and a plurality of groined type locating racks are located same vertical axis and overlap joint respectively on the three-dimensional support frame subassembly, and concrete pump pipe 6's lower extreme is connected with concrete delivery pump 400 that is located on bridge cushion cap 100, and concrete pump pipe 6's upper end is from lower supreme a plurality of groined type locating racks of running through in proper order and extending to the bridge floor top. The bridge bearing platform 100 is used as a vertical supporting point, the bridge pier body 200 is used as a transverse supporting point, the three-dimensional supporting frame assembly is erected, the erecting stability of the three-dimensional supporting frame assembly is ensured, the groined positioning frame is erected by using the three-dimensional supporting frame assembly as the supporting point, the concrete pump pipe 6 is positioned and supported by the groined positioning frame, the concrete pump pipe 6 is ensured to extend to the upper side of the box girder 300 from the bridge bearing platform 100, the concrete pump pipe 6 is bridged, and therefore concrete pouring operation of a bridge floor is facilitated.
The three-dimensional support frame assembly comprises an upright post 1, a cross rod 2 and a connecting rod 3; the upright posts 1 are vertically arranged on the bridge bearing platform 100 and are positioned between two adjacent bridge pier bodies 200, and the upper ends of the upright posts 1 extend to the lower part of the bridge deck; a plurality of cross rods 2 are respectively and transversely connected between two adjacent upright posts 1, and two ends of each cross rod 2 are fixedly connected to the bridge pier body 200; a plurality of connecting rods 3 are respectively and longitudinally connected between two adjacent upright posts 1, and the connecting rods 3 are lapped at the connecting points of the upright posts 1 and the cross rods 2; the groined positioning frame is lapped on the cross rod 2 and the connecting rod 3. The bridge bearing platform 100 provides vertical support for the arrangement of the stand columns 1, the bridge pier body 200 provides transverse support for the arrangement of the cross rods 2, and safe and reliable three-dimensional support frame assemblies are erected by the aid of the stand columns 1, the cross rods 2 and the connecting rods 3 which are perpendicular to each other in pairs, so that the subsequent arrangement of the groined positioning frames is facilitated, and peripheral support and protection are provided for the concrete pump pipe 6.
The two ends of a pair of transverse positioning ribs 4 of the # -shaped positioning frame are respectively and fixedly connected to the two bridge pier bodies 200, and the pair of transverse positioning ribs 4 is vertically lapped with the connecting rod 3. A pair of horizontal positioning muscle 4 is located between two horizontal poles 2, utilizes bridge pier shaft 200 to provide horizontal support for horizontal positioning muscle 4, utilizes connecting rod 3 horizontal positioning muscle 4 to provide vertical braces, has ensured the stability of laying of groined type locating rack to concrete pump pipe 6 has been ensured to set up stability and safety in utilization.
Two ends of a pair of longitudinal positioning ribs 5 of the # -shaped positioning frame are vertically lapped on the two cross rods 2 respectively. The pair of longitudinal positioning ribs 5 are positioned between the two connecting rods 3, and the transverse rods 2 are utilized to provide vertical support for the longitudinal positioning ribs 5, so that the arrangement stability of the # -shaped positioning frame is ensured, and the arrangement stability and the use safety of the concrete pump pipe 6 are ensured.
The axial direction of the concrete pump pipe 6, the axial direction of the # -shaped positioning frame and the axial direction of the three-dimensional support frame assembly are coincided, the axial direction of the concrete pump pipe 6 is parallel to the central line of the bridge box girder 300, the stress of the whole concrete pump pipe bridge-loading device is balanced, the erecting stability of the # -shaped positioning frame and the three-dimensional support frame assembly is guaranteed, and the stability and the safety of the concrete pump pipe 6 in the concrete pumping process are also guaranteed.
The concrete pump pipe 6 is positioned between the gaps of the two adjacent bridge box girders 300, and the concrete pump pipe 6 is fixed on the bridge box girders 300 through the pump pipe support 61, so that the concrete pump pipe 6 is ensured to pump concrete, and the concrete pouring operation of the bridge deck is facilitated.
The specifications of stand 1, horizontal pole 2 and connecting rod 3, quantity and length can be confirmed according to the design size of cast-in-place prestressing force continuous beam bridge, preferably, stand 1, horizontal pole 2 and connecting rod 3 can adopt the diameter to be 48mm, the wall thickness is 3.5 mm's steel pipe and makes, but two rows of eight stands 1 altogether of symmetrical arrangement between two bridge pier shafts 200, can arrange a stand 1 in the outside between two rows of stands 1 according to the interval of bridge pier shafts 200, the interval between two rows of stands 1 and the stand 1 in the middle is 100mm, stand 1 is fixed on bridge cushion cap 100. Every 500mm at an interval arranges one horizontal pole 2 and connecting rod 3, and every horizontal pole 2 has four, and every connecting rod 3 has two, and the interval of two connecting rods 3 is 200 mm. 2 overlap joints of horizontal pole are on stand 1 and bridge pier shaft 200, and connecting rod 3 overlap joint is on stand 1 and horizontal pole 2, and prior art's scaffold frame overlap joint mode can be adopted to stand 1, horizontal pole 2 and connecting rod 3's overlap joint mode, like welding, cross fastener lock joint, steel wire ligature etc. and this place is no longer repeated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (6)
1. A concrete pump pipe bridge-mounting device for a cast-in-situ prestressed continuous beam bridge comprises a bridge bearing platform (100), a bridge pier body (200) constructed on the bridge bearing platform (100) and a bridge box girder (300) constructed on the bridge pier body (200), wherein a gap is reserved between each adjacent bridge pier body (200) and each adjacent bridge box girder (300);
the method is characterized in that: the concrete pump pipe bridge erecting device comprises a three-dimensional support frame assembly, a transverse positioning rib (4) and a longitudinal positioning rib (5); the lower end of the three-dimensional support frame assembly is fixedly arranged on a bridge bearing platform (100), the upper end of the three-dimensional support frame assembly extends to the lower part of a bridge floor, the three-dimensional support frame assembly is positioned in a gap between two adjacent bridge pier bodies (200), and two side ends of the three-dimensional support frame assembly are respectively fixed on the two bridge pier bodies (200); a pair of horizontal location muscle (4) and a pair of vertical location muscle (5) perpendicular overlap joint constitute groined type locating rack, and a plurality of groined type locating racks are located same vertical axis and overlap joint respectively on the three-dimensional support assembly, and the lower extreme of concrete pump pipe (6) is connected with concrete delivery pump (400) that are located bridge cushion cap (100), and the upper end of concrete pump pipe (6) is from lower supreme a plurality of groined type locating racks of running through in proper order and extend to the bridge floor top.
2. The concrete pump pipe bridge-erecting device for the cast-in-place prestressed continuous beam bridge as recited in claim 1, wherein: the three-dimensional support frame assembly comprises a stand column (1), a cross rod (2) and a connecting rod (3); the upright posts (1) are vertically arranged on the bridge bearing platform (100) and are positioned between two adjacent bridge pier bodies (200), and the upper ends of the upright posts (1) extend to the lower part of the bridge deck; the plurality of cross rods (2) are respectively and transversely connected between two adjacent upright posts (1), and two ends of each cross rod (2) are fixedly connected to the bridge pier body (200); a plurality of connecting rods (3) are respectively and longitudinally connected between two adjacent upright posts (1), and the connecting rods (3) are lapped at the connecting points of the upright posts (1) and the cross rods (2); the groined positioning frame is lapped on the cross rod (2) and the connecting rod (3).
3. The concrete pump pipe bridge-erecting device for the cast-in-place prestressed continuous beam bridge as recited in claim 2, wherein: the two ends of a pair of transverse positioning ribs (4) of the # -shaped positioning frame are respectively and fixedly connected to the two bridge pier bodies (200), and the pair of transverse positioning ribs (4) is vertically overlapped with the connecting rod (3).
4. The concrete pump pipe bridge-erecting device for the cast-in-place prestressed continuous beam bridge as recited in claim 2, wherein: two ends of a pair of longitudinal positioning ribs (5) of the # -shaped positioning frame are vertically lapped on the two cross rods (2) respectively.
5. The concrete pump pipe bridge-erecting device for the cast-in-place prestressed continuous beam bridge as recited in claim 1, wherein: the axial direction of the concrete pump pipe (6), the axial direction of the # -shaped positioning frame and the axial direction of the three-dimensional support frame component are overlapped, and the axial direction of the concrete pump pipe (6) is parallel to the central line of the bridge box girder (300).
6. The concrete pump pipe bridge-erecting device for a cast-in-place prestressed continuous beam bridge as recited in claim 1 or 5, wherein: the concrete pump pipe (6) is positioned between the gaps of two adjacent bridge box girders (300), and the concrete pump pipe (6) is fixed on the bridge box girders (300) through a pump pipe support (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220542870.1U CN217174391U (en) | 2022-03-14 | 2022-03-14 | Concrete pump pipe bridge-loading device for cast-in-situ prestressed continuous beam bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220542870.1U CN217174391U (en) | 2022-03-14 | 2022-03-14 | Concrete pump pipe bridge-loading device for cast-in-situ prestressed continuous beam bridge |
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| Publication Number | Publication Date |
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| CN217174391U true CN217174391U (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220542870.1U Active CN217174391U (en) | 2022-03-14 | 2022-03-14 | Concrete pump pipe bridge-loading device for cast-in-situ prestressed continuous beam bridge |
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| Country | Link |
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| CN (1) | CN217174391U (en) |
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- 2022-03-14 CN CN202220542870.1U patent/CN217174391U/en active Active
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