CN107794845B - Integral transverse moving device and method for steel structure bracket for cast-in-situ beam - Google Patents

Integral transverse moving device and method for steel structure bracket for cast-in-situ beam Download PDF

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Publication number
CN107794845B
CN107794845B CN201711217497.2A CN201711217497A CN107794845B CN 107794845 B CN107794845 B CN 107794845B CN 201711217497 A CN201711217497 A CN 201711217497A CN 107794845 B CN107794845 B CN 107794845B
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China
Prior art keywords
steel
military
pulley trolley
top end
jacking platform
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CN201711217497.2A
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CN107794845A (en
Inventor
张伟
吴海蛟
王海军
刘勃
刘宏宇
孙磊
曾友平
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Sixth Engineering Co Ltd of China Railway Construction Bridge Engineering Bureau Group Co Ltd
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Sixth Engineering Co Ltd of China Railway Construction Bridge Engineering Bureau Group Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention relates to the technical field of dismantling construction of a steel structure bracket for a cast-in-situ beam, in particular to a device and a method for integrally traversing the steel structure bracket for the cast-in-situ beam, which save cost, reduce safety risk and improve use reliability; the device comprises a jacking platform, a mechanical jack and a steel pulley trolley, wherein the jacking platform is arranged at the top end of a steel pipe column, the mechanical jack is arranged at the top end of the jacking platform, the top output end of the mechanical jack is connected with the bottom end of a military beam, the steel pulley trolley is arranged on a support transverse spandrel girder, and the steel pulley trolley can transversely move from the support transverse spandrel girder; the method comprises the following steps: 1) Installing a jacking platform at the top end of the steel pipe column; 2) The steel pulley trolley can be transversely and slidably arranged on the transverse spandrel girder of the bracket; 3) Installing a mechanical jack at the top end of the jacking platform; 4) Contacting the top output end of the mechanical jack with the bottom end of the military beam; 5) Military Liang Dingqi was set up by mechanical jacks.

Description

Integral transverse moving device and method for steel structure bracket for cast-in-situ beam
Technical Field
The invention relates to the technical field of dismantling construction of a steel structure support for a cast-in-situ beam, in particular to a device and a method for integrally traversing the steel structure support for the cast-in-situ beam.
Background
As is well known, along with the historical crossing of bridge construction engineering in China, a steel structure bracket method is applied to a cast-in-place bridge to span the existing road and canal, is a quite mature technology, has simple construction process, clear stress and convenient operation, and is more and more popular for large-span crossing application. However, under the influence of the construction process, after the bridge pouring is finished, certain difficulty and great high-altitude potential safety hazards exist for the dismantling of the steel structure support, particularly in the process that the bottom of the cast-in-situ beam is not moved out, the conventional dismantling method adopts simple tools such as an automobile crane, a chain block and the like to be manually matched and dismantled, but the risk of overturning and high-altitude falling of hoisting equipment exists due to slight improper operation, so that the safe, rapid and efficient integral transverse movement of the steel structure support is particularly important in the process.
As shown in fig. 1, the existing cast-in-situ beam steel structure support comprises a plurality of steel pipe columns 4, a support transverse spandrel girder 3, a military beam 2 and a cast-in-situ box girder 1, wherein the top ends of the plurality of steel pipe columns are connected with the bottom ends of the support transverse spandrel girder, the bottom ends of the military beam are connected with the top ends of the support transverse spandrel girder, and the cast-in-situ box girder is arranged at the top ends of the military beam.
Disclosure of Invention
In order to solve the technical problems, the invention provides the integral transverse moving device and the method for the steel structure bracket for the cast-in-situ beam, which are capable of saving cost, reducing safety risk and improving use reliability.
The invention relates to an integral transverse moving device of a steel structure bracket for a cast-in-situ beam, which comprises a jacking platform, a mechanical jack and a steel pulley trolley, wherein the jacking platform is arranged at the top end of a steel pipe column, the mechanical jack is arranged at the top end of the jacking platform, the top output end of the mechanical jack is connected with the bottom end of a military beam, the steel pulley trolley is arranged on a bracket transverse spandrel beam, and the steel pulley trolley can transversely move from the bracket transverse spandrel beam.
The invention relates to a steel structure support integral transverse moving device for a cast-in-situ beam, which comprises a chassis, a plurality of steel pulleys, a rotating shaft and a rubber placing disc, wherein the steel pulleys are all arranged at the bottom end of the chassis, the steel pulleys are all arranged on a support transverse spandrel girder, the bottom end of the rotating shaft is connected with the top end of the chassis, and the rubber placing disc is arranged at the top end of the rotating shaft.
According to the steel structure support integral transverse moving device for the cast-in-situ beam, two groups of mechanical jacks are arranged, the bottom ends of the two groups of mechanical jacks are connected with the top end of a jacking platform, and the top output ends of the two groups of mechanical jacks are respectively connected with the left side and the right side of the bottom end of a military beam.
The invention discloses a method for integrally traversing a steel structure bracket for a cast-in-situ beam, which comprises the following steps:
1) Installing a jacking platform at the top end of the steel pipe column;
2) The steel pulley trolley can be transversely and slidably arranged on the transverse spandrel girder of the bracket;
3) Installing a mechanical jack at the top end of the jacking platform;
4) Contacting the top output end of the mechanical jack with the bottom end of the military beam;
5) Military Liang Dingqi by mechanical jack;
6) Manually pushing the steel pulley trolley to the lower part of the military beam;
7) The military beam is put down through the mechanical jack, and is positioned on the steel pulley trolley at the moment;
8) Manually pushing the steel pulley trolley to drive the military beam to move away from the working area;
9) And lifting the military beam to a place through an automobile.
Compared with the prior art, the invention has the beneficial effects that: through the arrangement, 1, the time for moving the steel structure bracket out of the beam bottom can be saved, and the construction cost is saved; 2. the construction safety risk is reduced to the maximum extent; 3. simple structure, convenient operation carry out simple training to constructor and can be applied the effect.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of the structure of the present invention in connection with a military beam;
FIG. 3 is a schematic view of the connection of the present invention with another steel structural support for cast-in-place beams;
FIG. 4 is a top view of the steel pulley cart of the present invention;
fig. 5 is a front view of the steel pulley car of the present invention.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the integral traversing device of the steel structure bracket for the cast-in-situ beam comprises a jacking platform 5, a mechanical jack 6 and a steel pulley trolley 7, wherein the jacking platform is arranged at the top end of a steel pipe column 4, the mechanical jack is arranged at the top end of the jacking platform, the top output end of the mechanical jack is connected with the bottom end of a military beam 2, the steel pulley trolley is arranged on a bracket transverse spandrel beam 3, and the steel pulley trolley can transversely move from the bracket transverse spandrel beam.
The invention relates to a steel structure support integral transverse moving device for a cast-in-situ beam, which comprises a chassis 8, a plurality of steel pulleys 9, a rotating shaft 10 and a rubber placing disc 11, wherein the steel pulleys are all arranged at the bottom end of the chassis, the steel pulleys are all arranged on a support transverse spandrel girder, the bottom end of the rotating shaft is connected with the top end of the chassis, and the rubber placing disc is arranged at the top end of the rotating shaft.
According to the steel structure support integral transverse moving device for the cast-in-situ beam, two groups of mechanical jacks are arranged, the bottom ends of the two groups of mechanical jacks are connected with the top end of a jacking platform, and the top output ends of the two groups of mechanical jacks are respectively connected with the left side and the right side of the bottom end of a military beam.
The invention discloses a method for integrally traversing a steel structure bracket for a cast-in-situ beam, which comprises the following steps:
1) Installing a jacking platform at the top end of the steel pipe column;
2) The steel pulley trolley can be transversely and slidably arranged on the transverse spandrel girder of the bracket;
3) Installing a mechanical jack at the top end of the jacking platform;
4) Contacting the top output end of the mechanical jack with the bottom end of the military beam;
5) Military Liang Dingqi by mechanical jack;
6) Manually pushing the steel pulley trolley to the lower part of the military beam;
7) The military beam is put down through the mechanical jack, and is positioned on the steel pulley trolley at the moment;
8) Manually pushing the steel pulley trolley to drive the military beam to move away from the working area;
9) And lifting the military beam to a place through an automobile.
Through the arrangement, 1, the time for moving the steel structure bracket out of the beam bottom can be saved, and the construction cost is saved; 2. the construction safety risk is reduced to the maximum extent; 3. simple structure, convenient operation carry out simple training to constructor and can be applied the effect.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims (3)

1. The integral transverse moving device of the steel structure bracket for the cast-in-situ beam is characterized by comprising a jacking platform, a mechanical jack and a steel pulley trolley, wherein the jacking platform is arranged at the top end of a steel pipe column, the mechanical jack is arranged at the top end of the jacking platform, the top output end of the mechanical jack is connected with the bottom end of a military beam, the steel pulley trolley is arranged on a bracket transverse spandrel beam, and the steel pulley trolley can transversely move from the bracket transverse spandrel beam;
the steel pulley trolley comprises a chassis, a plurality of steel pulleys, a rotating shaft and a rubber placing disc, wherein the steel pulleys are all arranged at the bottom end of the chassis, the steel pulleys are all arranged on a support transverse bearing beam, the bottom end of the rotating shaft is connected with the top end of the chassis, and the rubber placing disc is arranged at the top end of the rotating shaft.
2. The steel structure support integral traversing device for cast-in-situ beams as claimed in claim 1, wherein the number of the mechanical jacks is two, the bottom ends of the two groups of the mechanical jacks are connected with the top end of the jacking platform, and the top output ends of the two groups of the mechanical jacks are respectively connected with the left side and the right side of the bottom end of the military beam.
3. A method for integrally traversing a steel structural support for a cast-in-situ beam, comprising the apparatus according to any one of claims 1 to 2, characterized by comprising the steps of:
1) Installing a jacking platform at the top end of the steel pipe column;
2) The steel pulley trolley can be transversely and slidably arranged on the transverse spandrel girder of the bracket;
3) Installing a mechanical jack at the top end of the jacking platform;
4) Contacting the top output end of the mechanical jack with the bottom end of the military beam;
5) Military Liang Dingqi by mechanical jack;
6) Manually pushing the steel pulley trolley to the lower part of the military beam;
7) The military beam is put down through the mechanical jack, and is positioned on the steel pulley trolley at the moment;
8) Manually pushing the steel pulley trolley to drive the military beam to move away from the working area;
9) And lifting the military beam to a place through an automobile.
CN201711217497.2A 2017-11-28 2017-11-28 Integral transverse moving device and method for steel structure bracket for cast-in-situ beam Active CN107794845B (en)

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CN201711217497.2A CN107794845B (en) 2017-11-28 2017-11-28 Integral transverse moving device and method for steel structure bracket for cast-in-situ beam

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CN201711217497.2A CN107794845B (en) 2017-11-28 2017-11-28 Integral transverse moving device and method for steel structure bracket for cast-in-situ beam

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CN107794845B true CN107794845B (en) 2024-03-15

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001098512A (en) * 1999-10-04 2001-04-10 Mic:Kk Method for erecting and removing road striding bridge by frame with jack device
KR20050051896A (en) * 2003-11-28 2005-06-02 휘선건설(주) Launching girder system and bridge removal method using the same
CN201169750Y (en) * 2008-03-28 2008-12-24 中铁十三局集团有限公司 Moving platform for bridging
CN101333801A (en) * 2007-06-25 2008-12-31 中铁二十局集团有限公司 Cast-in-situ beam-making construction method of assembled support
CN106120563A (en) * 2016-07-14 2016-11-16 德州市公路工程总公司 Cast-in-situ box girder Combined movable mould bases and construction method thereof
CN208055876U (en) * 2017-11-28 2018-11-06 中铁建大桥工程局集团第六工程有限公司 A kind of Cast-in-situ Beam steel structure support whole lateral moving device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001098512A (en) * 1999-10-04 2001-04-10 Mic:Kk Method for erecting and removing road striding bridge by frame with jack device
KR20050051896A (en) * 2003-11-28 2005-06-02 휘선건설(주) Launching girder system and bridge removal method using the same
CN101333801A (en) * 2007-06-25 2008-12-31 中铁二十局集团有限公司 Cast-in-situ beam-making construction method of assembled support
CN201169750Y (en) * 2008-03-28 2008-12-24 中铁十三局集团有限公司 Moving platform for bridging
CN106120563A (en) * 2016-07-14 2016-11-16 德州市公路工程总公司 Cast-in-situ box girder Combined movable mould bases and construction method thereof
CN208055876U (en) * 2017-11-28 2018-11-06 中铁建大桥工程局集团第六工程有限公司 A kind of Cast-in-situ Beam steel structure support whole lateral moving device

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