CN210238298U - A temporary support device for prefabricated cover beams - Google Patents
A temporary support device for prefabricated cover beams Download PDFInfo
- Publication number
- CN210238298U CN210238298U CN201920565764.3U CN201920565764U CN210238298U CN 210238298 U CN210238298 U CN 210238298U CN 201920565764 U CN201920565764 U CN 201920565764U CN 210238298 U CN210238298 U CN 210238298U
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- steel
- support device
- prefabricated cover
- temporary support
- cover beam
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 137
- 239000010959 steel Substances 0.000 claims abstract description 137
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 239000004576 sand Substances 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011083 cement mortar Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 230000036544 posture Effects 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses an interim strutting arrangement of prefabricated bent cap, a serial communication port interim strutting arrangement include shaped steel supporting platform and vertical connect in two outer support steel pipes and an auxiliary steel pipe on the shaped steel supporting platform, two the array direction of outer steel pipe is on a parallel with the direction of following the bridge of bridge, outer support steel pipe with be provided with coupling mechanism, two between the auxiliary steel pipe outer support steel pipe top is equipped with H shaped steel longeron, be provided with husky bucket between H shaped steel longeron and the prefabricated bent cap. The utility model has the advantages that: the structure is simple, the assembling and disassembling can be realized quickly, the transportation is convenient, and the position of the bent cap can be adjusted rapidly and accurately.
Description
Technical Field
The utility model relates to a construction technical field is assembled in the bridge prefabrication, concretely relates to interim strutting arrangement of prefabricated bent cap.
Background
With the popularization of the bridge prefabrication and assembly construction process in domestic bridge construction, a large number of prefabricated bent caps need to be hoisted in the construction process, and the bent caps prefabricated in sections can not maintain self-stability only by one upright post and one supporting point, so that temporary support needs to be applied.
The traditional temporary support of the cast-in-place bent cap has large consumption, slow turnover and high cost, consumes time and labor in the laying process, and has influence on local traffic, so that the traditional temporary support is directly difficult to be directly and effectively applied to a temporary structure of the prefabricated bent cap; in addition, the method has the technical problems of high cost, time consumption, traffic influence and the like.
Disclosure of Invention
The utility model aims at providing an interim strutting arrangement of prefabricated bent cap according to the weak point of above-mentioned prior art, this interim strutting arrangement includes the outer steel pipe and the supplementary steel pipe of supporting that the shaped steel supporting platform that constitutes by H shaped steel and set up on it, sets up H shaped steel longeron on the outer steel pipe that supports, and H shaped steel longeron top sets up sand bucket and jack, realizes the altitude mixture control to prefabricated bent cap.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a temporary support device of prefabricated bent cap, its characterized in that temporary support device include shaped steel supporting platform and vertical connect in two outer support steel pipes and an auxiliary steel pipe on the shaped steel supporting platform, two the array direction of outer steel pipe is on a parallel with the direction of following the bridge of bridge, outer support steel pipe with be provided with coupling mechanism between the auxiliary steel pipe, two outer support steel pipe top is equipped with shaped steel longeron, be provided with the sand bucket between shaped steel longeron and the prefabricated bent cap.
The two outer supporting steel pipes and the auxiliary steel pipes are arranged on the profile steel supporting platform in a triangular shape.
The auxiliary steel pipe is arranged on a vertical bisector of a line segment formed by the two outer support steel pipes.
The connecting mechanism is an X-shaped bracket.
The outer support steel pipe and the auxiliary steel pipe are formed by connecting a plurality of pipe joints through flanges.
The section steel supporting platform comprises a plurality of closely-arranged H-shaped steels, and the H-shaped steels are adjacent to each other and are connected through full welding.
The end parts of the top plate and the bottom plate of each H-shaped steel at the same side are welded and fixed through a reinforcing support plate, and a plurality of reinforcing connecting steel plates are welded on the top surface of each H-shaped steel.
And ground anchor steel plates are arranged on the side surfaces of the H-shaped steel at intervals, and reinforcing steel bars anchored into the ground are inserted into the ground anchor steel plates.
And two jacks are respectively arranged on two sides of the sand bucket.
And a plurality of lifting lugs are arranged on the section steel supporting platform.
The utility model has the advantages that: the structure is simple, the stress is stable, and the self-balancing function is realized; the cover beam can be assembled and disassembled quickly, is convenient to transport, and can be adjusted quickly and accurately.
Drawings
Fig. 1 is a schematic view of a forward-to-bridge vertical surface of the temporary supporting device of the present invention;
fig. 2 is a schematic view of a transverse bridge vertical plane of the temporary supporting device of the present invention;
fig. 3 is a schematic view of the section a-a in fig. 2.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example with reference to the accompanying drawings, for the understanding of those skilled in the art:
referring to fig. 1-3, the labels 1-13 in the figures are: the concrete structure comprises a road 1, cement mortar 2, ground anchor steel bars 3, H-shaped steel 4, a reinforced connecting steel plate 5, lifting lugs 6, flanges 7, steel pipes 8, steel section longitudinal beams 9, sand buckets 10, jacks 11, prefabricated cover beams 12 and upright columns 13.
Example (b): as shown in fig. 1 to 3, the embodiment specifically relates to a temporary supporting device for a prefabricated capping beam, which includes a section steel supporting platform formed by H-shaped steel 4, and an outer supporting steel pipe and an auxiliary steel pipe which are arranged on the section steel supporting platform, wherein a section steel longitudinal beam 9 is arranged on the outer supporting steel pipe, and a sand bucket 10 and a jack 11 are arranged above the section steel longitudinal beam 9, so as to realize height adjustment of the prefabricated capping beam 12.
As shown in fig. 1 to 3, the temporary supporting device in this embodiment includes a section steel supporting platform and three steel pipes 8 vertically arranged on the section steel supporting platform; the structural steel supporting platform comprises a plurality of H-shaped steels 4 which are closely arranged, the adjacent H-shaped steels 4 are connected into a whole in a full welding mode, the end parts of the top plate and the bottom plate of each H-shaped steel 4 which are positioned on the same side are welded and fixed through a reinforcing supporting plate, and the thickness of the reinforcing supporting plate is consistent with that of a web plate of the H-shaped steel 4, so that the structural steel supporting platform is reinforced; a plurality of reinforced connecting steel plates 5 are further welded on the top surface of each H-shaped steel 4 and used for further welding and fixing each H-shaped steel 4 so as to ensure the overall stability of the section steel supporting platform. The side at shaped steel supporting platform is provided with an earth anchor steel sheet at a distance of every, and the earth anchor steel sheet is with H shaped steel 4 welded fastening, has implanted earth anchor reinforcing bar 3 in the earth anchor steel sheet, and 3 anchors in the underground of earth anchor reinforcing bar to the realization is to the fixed of shaped steel supporting platform position.
As shown in fig. 1-3, three steel pipes 8 are vertically arranged on a profile steel supporting platform in a welding or flange connection manner, the arrangement direction of two steel pipes 8 is parallel to the bridge-following direction of a bridge and is positioned at one side far away from an upright column 13, the two steel pipes 8 play a supporting role, so the steel pipes are also called as external supporting steel pipes, profile steel longitudinal beams 9 are welded on the top surfaces of the two steel pipes 8, the profile steel longitudinal beams 9 are horizontally arranged, sand buckets 10 are welded above the profile steel longitudinal beams and are used as fulcrums to directly support cantilever ends of prefabricated cover beams 12, two jacks 11 are respectively arranged on two sides of each sand bucket 10, and the postures and positions of the prefabricated cover beams 12 can be adjusted through the jacks 12 when the prefabricated cover beams 12 are hoisted. Another steel pipe 8 and above-mentioned two steel pipes 8 that are used for supporting constitute triangle-shaped setting relation, and this steel pipe 8 does not play the supporting role, is close to stand 13, mainly is used for offsetting the horizontal thrust of prefabricated bent cap 12 anti-arc section through the dead weight, so also be called supplementary steel pipe, and preferred, this steel pipe 8 sets up on the perpendicular bisector of the line segment that above-mentioned two steel pipes 8 become to constitute isosceles triangle-shaped setting relation between the three, can offset horizontal thrust better. In order to enhance the overall stability of the three steel pipes 8, every two of the three steel pipes 8 are provided with a connecting mechanism, and the connecting mechanism can be an X-shaped bracket or a triangular bracket.
As shown in fig. 1 to 3, for the convenience of transportation and on-site disassembly and assembly, the steel pipe 8 is formed by a plurality of pipe joints through flange connection to reach the required height of temporary support, so that modular assembly is realized. In addition, still be provided with a plurality of lug on shaped steel supporting platform to it is more convenient to make interim strutting arrangement hoist and mount aversion.
As shown in fig. 1 to 3, the temporary support device 13 in the present embodiment is constructed and assembled as follows:
(1) firstly, paving a layer of cement mortar 2 with a certain thickness on a road 1 below a point to be supported so that the foundation ground becomes horizontal;
(2) placing a certain amount of H-shaped steel 4 with certain length on a cement mortar 2, welding two ends of a top plate and a bottom plate of each H-shaped steel 4 with reinforced support plates with the same thickness as a web plate, simultaneously performing full welding on the adjacent H-shaped steel, and welding the tops of all the H-shaped steel into a whole by adopting a certain amount of reinforced connecting steel plates 5 to obtain a steel support platform with high integral stability;
(3) arranging a ground anchor steel plate on the side surface of the profile steel supporting platform at intervals, implanting ground anchor steel bars 3 to be anchored into the original ground, and arranging lifting lugs on the periphery of the top of the profile steel supporting platform so as to facilitate the lifting movement of the temporary supporting device;
(4) prefabricating a plurality of pipe sections with different lengths, transporting the pipe sections to the site through a transport vehicle, then connecting the pipe sections with certain length and quantity into three finished steel pipes 8 for supporting the prefabricated bent cap 12 through flanges, and welding or flange-connecting and fixing the steel pipes 8 on the section steel supporting platform according to the setting relationship;
(5) the top of two steel pipes 8 parallel to the bridge direction is welded with a profile steel longitudinal beam 9, a sand bucket 10 is welded on the profile steel longitudinal beam 9 and directly supports the cantilever end of a prefabricated cover beam 12 as a fulcrum, and two jacks 11 are respectively arranged on two sides of the sand bucket 10 and used for adjusting the posture and the position of the prefabricated cover beam 12 through the jacks 11 when the prefabricated cover beam 12 is hoisted.
The beneficial effect of this embodiment is: the structure is simple, the stress is stable, and the self-balancing function is realized; the cover beam can be assembled and disassembled quickly, is convenient to transport, and can be adjusted quickly and accurately.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565764.3U CN210238298U (en) | 2019-04-24 | 2019-04-24 | A temporary support device for prefabricated cover beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565764.3U CN210238298U (en) | 2019-04-24 | 2019-04-24 | A temporary support device for prefabricated cover beams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210238298U true CN210238298U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920565764.3U Active CN210238298U (en) | 2019-04-24 | 2019-04-24 | A temporary support device for prefabricated cover beams |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111441238A (en) * | 2020-04-13 | 2020-07-24 | 广州机施建设集团有限公司 | A kind of prefabricated cover beam auxiliary installation structure and construction method |
| CN113123209A (en) * | 2021-04-21 | 2021-07-16 | 福建博那德科技园开发有限公司 | Quickly-installed assembled bridge and construction method thereof |
-
2019
- 2019-04-24 CN CN201920565764.3U patent/CN210238298U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111441238A (en) * | 2020-04-13 | 2020-07-24 | 广州机施建设集团有限公司 | A kind of prefabricated cover beam auxiliary installation structure and construction method |
| CN113123209A (en) * | 2021-04-21 | 2021-07-16 | 福建博那德科技园开发有限公司 | Quickly-installed assembled bridge and construction method thereof |
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