CN210712562U - Tower crane system for construction of cast-in-situ tower column of cable-stayed bridge - Google Patents
Tower crane system for construction of cast-in-situ tower column of cable-stayed bridge Download PDFInfo
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- CN210712562U CN210712562U CN201920621360.1U CN201920621360U CN210712562U CN 210712562 U CN210712562 U CN 210712562U CN 201920621360 U CN201920621360 U CN 201920621360U CN 210712562 U CN210712562 U CN 210712562U
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Abstract
The utility model relates to a construction tower crane system of a cast-in-situ tower column of a cable-stayed bridge, which comprises an integral pre-buried tower crane foundation, a tower column attachment type hoop device, a bearing platform hoop auxiliary fixing device, a bearing platform, a tower column and a tower crane; the bearing platform is provided with a tower crane through an integral pre-buried tower crane foundation, the lower part of the bearing platform is a tower column foundation, the upper part of the bearing platform is a lower tower column, the upper part of the lower tower column is a cross beam, the upper part of the cross beam is a road surface, and the upper part of the road surface is an upper tower column; the integral pre-buried tower crane foundation is internally provided with pre-buried section steel and reserved bolt holes, and is connected with the bearing platform through the pre-buried section steel and the pre-buried bolts; the auxiliary fixing device for the bearing platform hoop is composed of embedded section steel, the hoop, a bolt and a nut. The utility model has the advantages that: the utility model discloses the basis of well tower crane adopts integral pre-buried tower crane basis, has saved the step that the tower crane basis need be pour to save manpower and materials resource, shortened the time limit for a project, accelerated the construction progress, had good economic benefits.
Description
Technical Field
The utility model relates to a bridge construction field, in particular to cast-in-place pylon construction tower crane system of cable-stay bridge.
Background
A cable-stayed bridge is also called an oblique-tension bridge, and is a bridge with a main beam pulled on a bridge tower column by a plurality of pull cables. The structure system is formed by combining a pressure-bearing tower column, a tension-bearing inhaul cable and a pressure-bearing girder body, and can be regarded as a continuous girder with a plurality of caving elastic supports, wherein the continuous girder replaces a pier with a stayed cable. The cable-stayed bridge mainly comprises a bridge tower, a stay cable and a main beam. Traditional cast-in-place pylon post construction tower crane system of cable-stay bridge equipment speed is slower, and the construction of tower crane basis is comparatively loaded down with trivial details, mainly reflects that need pour many times at the tower crane basis, and construction speed is slower. Along with the height of pylon constantly improves, the tower crane needs to rise, what come with is that to ensure its stability with the tower crane with the pylon connection together for the stability of tower crane, and this work progress requirement is higher, and construction speed is slow, need consume a large amount of manpower, material resources.
Therefore, it is very important to find a stable and reliable tower crane system for constructing a cast-in-place tower column of a cable-stayed bridge, which can be constructed quickly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough among the prior art, provide a cast-in-place pylon construction tower crane system of cable-stay bridge.
A tower crane system for constructing a cast-in-place tower column of a cable-stayed bridge comprises an integral pre-buried tower crane foundation, a tower column attached hoop device, a bearing platform hoop auxiliary fixing device, a bearing platform, a tower column and a tower crane; the bearing platform is provided with a tower crane through an integral pre-buried tower crane foundation, the lower part of the bearing platform is a tower column foundation, the upper part of the bearing platform is a lower tower column, the upper part of the lower tower column is a cross beam, the upper part of the cross beam is a road surface, and the upper part of the road surface is an upper tower column; the integral pre-buried tower crane foundation is internally provided with pre-buried section steel and reserved bolt holes, and is connected with the bearing platform through the pre-buried section steel and the pre-buried bolts; the bearing platform hoop auxiliary fixing device consists of embedded section steel, a hoop, bolts and nuts, and the hoop for the embedded section steel embedded in the integral embedded tower crane foundation and the bearing platform is fixed by the bolts and the nuts; the tower column attached hoop device is composed of a tower column, a section steel column, a hoop, a bolt and a nut, wherein the hoop is wrapped outside the tower column, and the section steel column penetrates through a hole in the hoop and is connected with a tower crane.
Preferably, the method comprises the following steps: the section steel column is a round steel column or a square steel column.
Preferably, the method comprises the following steps: and the bolt holes reserved in the integral pre-buried tower crane foundation correspond to the pre-buried bolts in the bearing platform.
Preferably, the method comprises the following steps: the integral pre-buried tower crane foundation is of a cylindrical structure or a cuboid structure.
Preferably, the method comprises the following steps: and the upper end of the embedded bolt is provided with a nut and a pressing plate.
Preferably, the method comprises the following steps: the hoop in the tower column attached hoop device is fixedly connected with the nut through the bolt.
The utility model has the advantages that:
(1) the utility model discloses the basis of well tower crane adopts integral pre-buried tower crane basis, has saved the step that the tower crane basis need be pour to save manpower and materials resource, shortened the time limit for a project, accelerated the construction progress, had good economic benefits.
(2) The utility model discloses in adopt tower column attached form staple bolt device, compare with the conventional art, can be quick link together tower crane and tower column, stability is high moreover, and technical benefit is showing.
(3) The utility model discloses well cushion cap staple bolt auxiliary fixture can be accurate and quick connect fixed integral pre-buried tower crane basis and cushion cap, simple and convenient, easily operation.
Drawings
FIG. 1 is a schematic view of a construction tower crane system for a cast-in-place tower column of a cable-stayed bridge;
FIG. 2 is a schematic view of a tower attached hoop device;
FIG. 3 is a schematic diagram of tower crane foundation construction;
FIG. 4 is a schematic diagram after construction of a tower crane foundation is completed.
Description of reference numerals: 1-integral pre-buried tower crane foundation; 2, attaching a hoop device to the tower column; 3, an auxiliary fixing device for the bearing platform hoop; 4, mounting a tower column; 5, descending a tower column; 6, paving; 7, a cross beam; 8, bearing platform; 9-tower column foundation; 10-bolt and nut; 11-a column; 12-section steel column; 13-anchor ear; 14-a tower crane foundation preformed groove; 15-pressing plate; 16-a nut; 17-pre-burying section steel; 18-tower crane; 19-embedding bolts; 20-concrete.
Detailed Description
The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
The cast-in-place tower column construction tower crane system of the cable-stayed bridge comprises an integral pre-buried tower crane foundation 1, a tower column attached hoop device 2, a bearing platform hoop auxiliary fixing device 3, a bearing platform 8, a tower column 11 and a tower crane 18; a tower crane 18 is arranged on the bearing platform 8 through the integral pre-buried tower crane foundation 1, a tower column foundation 9 is arranged on the lower portion of the bearing platform 8, a lower tower column 5 is arranged on the upper portion of the bearing platform 8, a cross beam 7 is arranged on the upper portion of the lower tower column 5, a road surface 6 is arranged on the upper portion of the cross beam 7, and an upper tower column 4 is arranged on the upper portion of the road surface 6; the integral pre-buried tower crane foundation 1 is internally provided with pre-buried section steel 17 and reserved with bolt holes, and the integral pre-buried tower crane foundation 1 is connected with the bearing platform 8 through the pre-buried section steel 17 and the pre-buried bolts 19; the bearing platform hoop auxiliary fixing device 3 consists of pre-embedded section steel 17, a hoop 13, bolts and nuts 10, and the pre-embedded section steel 17 pre-embedded in the integral pre-embedded tower crane foundation 1 and the bearing platform 8 is fixed with the nuts 10 through the bolts by the hoop 13; the tower column attached hoop device 2 is composed of a tower column 11, a section steel column 12, a hoop 13, a bolt and a nut 10, the hoop 13 is wrapped on the outer side of the tower column 11, and the section steel column 12 penetrates through a hole in the hoop 13 to be connected with a tower crane 18.
The section steel column 12 is a circular steel column or a square steel column.
And the bolt holes reserved in the integral pre-buried tower crane foundation 1 correspond to the pre-buried bolts 19 in the bearing platform 8.
The integral pre-buried tower crane foundation 1 is of a cylindrical structure or a cuboid structure.
The upper end of the embedded bolt 19 is provided with a nut 16 and a pressure plate 15.
And the hoop 13 in the tower column attached hoop device 2 is fixedly connected with the nut 10 through a bolt.
The construction method of the cable-stayed bridge cast-in-place tower column construction tower crane system comprises the following steps:
(1) and prefabricating an integral pre-buried tower crane foundation. The integral pre-buried tower crane foundation is manufactured by adopting reinforced concrete, bolt holes are reserved when the integral pre-buried tower crane foundation is manufactured, and the pre-buried section steel 17 is arranged at the same time.
(2) And a tower crane foundation preformed groove 14 is arranged in the process of pouring the bearing platform. As shown in fig. 3, the tower crane foundation is arranged on a tower column bearing platform 8, before the concrete of the bearing platform 8 is poured, the position and elevation of the lofted tower crane are measured according to the size of the integral type embedded tower crane foundation 1, and embedded section steel 17 and embedded bolts 19 are arranged according to the design requirements.
(3) And fixing an integral pre-buried tower crane foundation. As shown in fig. 3, the integral pre-buried tower crane foundation 1 is lifted to a design position in the tower crane foundation preformed groove 14 by a crane, and the pre-buried bolts 19 in the bearing platform 8 penetrate through the bolt holes reserved in the integral pre-buried tower crane foundation 1. And accurately fixing the embedded section steel 17 embedded in the integral embedded tower crane foundation 1 and the bearing platform 8 by using bolts and nuts 10 through the anchor ear 13. And (3) a pressure plate 15 is cushioned between the integral pre-buried tower crane foundation 1 and the nut 16, and the nut is screwed up to fix the integral pre-buried tower crane foundation 1 and the bearing platform 8 together.
(4) And pouring concrete in the reserved groove. As shown in fig. 4, after the fixing of the integral pre-buried tower crane foundation 1 and the bearing platform 8 is completed, concrete 20 is poured into a gap between the integral pre-buried tower crane foundation 1 and the bearing platform 8, so that the integral pre-buried tower crane foundation 1 and the bearing platform 8 form a whole, and the stability of the tower crane foundation is further improved.
(5) And the tower crane buttress is arranged. When the tower crane is constructed to a certain height, in order to ensure the construction safety of the tower crane, a tower crane buttress needs to be arranged, and the tower crane 18 and the tower column 11 are fixed together by adopting the tower column attached hoop device 2. The section steel column 12 penetrates through a hole in the hoop 13 to be connected with the tower crane 18, and the tower crane 18, the section steel column 12 and the tower crane 11 can be quickly connected into a whole through the hoop 13, the bolt and the nut 10 on one side of the tower crane 11, as shown in fig. 2.
(6) According to the specification requirement, 3 buttresses are arranged, the first buttresses are arranged at the position of 30 meters, the second buttresses are arranged at the distance of 20 meters, and the third buttresses are arranged at the distance of 10 meters, as shown in figure 1.
Claims (6)
1. Cast-in-place pylon post construction tower crane system of cable-stay bridge, its characterized in that: the tower crane comprises an integral pre-buried tower crane foundation (1), a tower column attached hoop device (2), a bearing platform hoop auxiliary fixing device (3), a bearing platform (8), a tower column (11) and a tower crane (18); a tower crane (18) is arranged on a bearing platform (8) through an integral pre-buried tower crane foundation (1), a tower column foundation (9) is arranged on the lower portion of the bearing platform (8), a lower tower column (5) is arranged on the upper portion of the bearing platform (8), a cross beam (7) is arranged on the upper portion of the lower tower column (5), a road surface (6) is arranged on the upper portion of the cross beam (7), and an upper tower column (4) is arranged on the upper portion of the road surface (6); the integral pre-buried tower crane foundation (1) is internally provided with pre-buried section steel (17) and reserved bolt holes, and the integral pre-buried tower crane foundation (1) is connected with the bearing platform (8) through the pre-buried section steel (17) and the pre-buried bolts (19); the bearing platform hoop auxiliary fixing device (3) consists of embedded section steel (17), a hoop (13), bolts and nuts (10), wherein the embedded section steel (17) embedded in the integral embedded tower crane foundation (1) and the bearing platform (8) is fixed with the nuts (10) through the bolts by the hoop (13); the tower column attached hoop device (2) is composed of a tower column (11), a section steel column (12), a hoop (13), a bolt and a nut (10), the hoop (13) is wrapped on the outer side of the tower column (11), and the section steel column (12) penetrates through a hole in the hoop (13) and is connected with a tower crane (18).
2. The cable-stayed bridge cast-in-situ tower column construction tower crane system according to claim 1, characterized in that: the section steel column (12) is a round steel column or a square steel column.
3. The cable-stayed bridge cast-in-situ tower column construction tower crane system according to claim 1, characterized in that: the bolt holes reserved in the integral pre-buried tower crane foundation (1) correspond to the pre-buried bolts (19) in the bearing platform (8).
4. The cable-stayed bridge cast-in-situ tower column construction tower crane system according to claim 1, characterized in that: the integral pre-buried tower crane foundation (1) is of a cylindrical structure or a cuboid structure.
5. The cable-stayed bridge cast-in-situ tower column construction tower crane system according to claim 1, characterized in that: and nuts (16) and a pressing plate (15) are arranged at the upper ends of the embedded bolts (19).
6. The cable-stayed bridge cast-in-situ tower column construction tower crane system according to claim 1, characterized in that: and the hoop (13) in the tower column attached hoop device (2) is fixedly connected with the nut (10) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920621360.1U CN210712562U (en) | 2019-04-30 | 2019-04-30 | Tower crane system for construction of cast-in-situ tower column of cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920621360.1U CN210712562U (en) | 2019-04-30 | 2019-04-30 | Tower crane system for construction of cast-in-situ tower column of cable-stayed bridge |
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| CN210712562U true CN210712562U (en) | 2020-06-09 |
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| CN201920621360.1U Active CN210712562U (en) | 2019-04-30 | 2019-04-30 | Tower crane system for construction of cast-in-situ tower column of cable-stayed bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941284A (en) * | 2022-03-04 | 2022-08-26 | 中建八局天津建设工程有限公司 | Permanent-temporary combined tower crane foundation and construction method thereof |
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2019
- 2019-04-30 CN CN201920621360.1U patent/CN210712562U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941284A (en) * | 2022-03-04 | 2022-08-26 | 中建八局天津建设工程有限公司 | Permanent-temporary combined tower crane foundation and construction method thereof |
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