CN108374351B - Simple hoisting device and method for dismantling box girder bailey pieces - Google Patents
Simple hoisting device and method for dismantling box girder bailey pieces Download PDFInfo
- Publication number
- CN108374351B CN108374351B CN201810475990.2A CN201810475990A CN108374351B CN 108374351 B CN108374351 B CN 108374351B CN 201810475990 A CN201810475990 A CN 201810475990A CN 108374351 B CN108374351 B CN 108374351B
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- CN
- China
- Prior art keywords
- girder
- box girder
- rope
- bailey piece
- fixed pulley
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Abstract
The invention belongs to the technical field of cast-in-place box girder bailey piece dismounting equipment, and particularly relates to a simple hoisting device and a simple hoisting method for dismounting a box girder bailey piece. The invention provides a simple hoisting device for dismantling a bailey piece of a box girder, which comprises a main girder, wherein the fixed end of the main girder is connected with the top of the box girder, the hanging end of the main girder extends out of the box girder, the length direction of the main girder is vertical to the length direction of a cast-in-place box girder, a first fixed pulley and a second fixed pulley are sequentially arranged on the main girder from the hanging end to the fixed end, a reserved hole is formed in one side of the second fixed pulley, and a first winch and a second winch are fixed on the main girder.
Description
Technical Field
The invention belongs to the technical field of cast-in-place box girder bailey piece dismounting equipment, and particularly relates to a simple hoisting device and a simple hoisting method for dismounting a box girder bailey piece.
Background
The Bailey sheets are widely applied to bridge construction due to the characteristics of simple structure, convenience in transportation, quickness in erection, large carrying capacity, good interchangeability and strong adaptability, but are inconvenient in the dismantling process.
Disclosure of Invention
The invention aims to provide a simple hoisting device and a simple hoisting method for dismantling a box girder bailey piece group, which are efficient to dismantle and convenient to use.
Based on the purpose, the invention adopts the following technical scheme:
the utility model provides a demolish simple and easy hoisting apparatus of case roof beam bailey piece, including the girder, the girder includes two sets ofly, the stiff end and the roof beam top of girder are connected, the end that hangs of girder stretches out the case roof beam, the length direction of girder is perpendicular with the cast-in-place length direction who builds the case roof beam, from hanging the direction of end to stiff end and being equipped with first fixed pulley and second fixed pulley on the girder in proper order, second fixed pulley one side is equipped with the reservation hole, fixed first hoist engine and second hoist engine on the girder, first rope is connected to first hoist engine, first rope lifts by crane the end and walks around first fixed pulley, the second rope is connected to the second hoist engine, second rope lifts by crane the end and walks around the second fixed pulley and passes the reservation hole.
Furthermore, the number of the main beams is two, the hanging ends of the two main beams are connected through a cross beam, and the first fixed pulley and the second fixed pulley are arranged between the two main beams.
Furthermore, the fixed end of the main beam is connected with the top of the box girder through a plurality of pre-buried I-shaped steels.
Furthermore, the length direction of the main beam is vertical to that of the cross beam.
Further, the method for dismantling the simple hoisting device of the box girder bailey sheet comprises the following steps:
(1) before the box girder is poured, the embedded I-shaped steel is embedded on the box girder, and the main girder is installed after the box girder is tensioned and grouted.
(2) A through hole is formed in the box girder below the reserved hole, the lifting end of a second rope on one of the two groups of main girders penetrates through the through hole to be connected with one end of a box girder bailey piece group to be removed, the lifting end of a first rope is connected with one end of the box girder bailey piece group, the lifting end of a second rope on the other group of main girders penetrates through the through hole to be connected with the other end of the box girder bailey piece group to be removed, and the lifting end of the first rope is connected with the other end of the box girder bailey piece group to be removed;
(3) the position of the box girder bailey piece group is adjusted by opening and closing the rope collecting switch and the rope releasing switch of the first winch and the second winch, and the box girder bailey piece group is moved to a place where the box girder bailey piece group needs to be placed.
The invention has simple structure, can reduce the use of machinery, thereby reducing labor, saving energy consumption, accelerating construction speed, and has convenient disassembly of equipment, small occupied construction area and convenient transportation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a diagram showing the positional relationship between two sets of main beams;
fig. 3 is a positional relationship diagram of the cross beam and the main beam.
Detailed Description
The simple hoisting device for dismantling the bailey sheet of the box girder comprises a main girder 1, wherein the main girder 1 comprises two groups, a fixed end 101 of the main girder 1 is connected with a top 2 of the box girder, a hanging end 102 of the main girder 1 extends out of the box girder 2, the length direction of the main girder 1 is perpendicular to the length direction of a cast-in-place box girder, a first fixed pulley 3 and a second fixed pulley 4 are sequentially arranged in the direction from the hanging end 102 to the fixed end 101 on the main girder 1, a reserved hole 5 is formed in one side of the second fixed pulley 4, a first winch 6 and a second winch 7 are fixed on the main girder 1, the first winch 6 is connected with a first rope 601, the hoisting end of the first rope 601 bypasses the first fixed pulley 3, the second winch 7 is connected with a second rope 701, and the hoisting end of the second rope 701 bypasses the second fixed pulley 4 and passes through the reserved hole 5. As shown in fig. 2, the number of the main beams 1 is two, the hanging ends 102 of the two main beams 1 are connected through a cross beam 9, and the first fixed pulley 3 and the second fixed pulley 4 are arranged between the two main beams 1. The fixed end 101 of the main beam 1 is connected with the top 2 of the box girder through two embedded I-beams 8, the embedded I-beams are 2HN500 section steels, the embedded I-beams 8 are fixed at two web positions of the side box chamber, and the length direction of the main beam 1 is perpendicular to that of the cross beam 9.
The method for using the simple hoisting device for dismantling the box girder bailey sheets comprises the following steps:
(1) before the box girder is poured, the embedded I-shaped steel 8 is embedded to 1/4 parts of the box girder 2, and the main girder 1 is installed after the box girder is tensioned and grouted.
(2) A through hole 10 is formed in the box girder 2 below the reserved hole 5, the lifting end of a second rope 701 on one of the two groups of main girders 1 penetrates through the through hole 10 to be connected with one end of a box girder bailey group 11 to be removed, the lifting end of a first rope 601 is connected with one end of the box girder bailey group 11, the lifting end of the second rope 701 on the other group of main girders 1 penetrates through the through hole to be connected with the other end of the box girder bailey group 11 to be removed, and the lifting end of the first rope 601 is connected with the other end of the box girder bailey group 11;
(3) the position of the box girder bailey piece group 11 is adjusted by opening and closing the rope collecting switch and the rope releasing switch of the first winch 6 and the second winch 7, and the box girder bailey piece group is moved to a place where the box girder bailey piece group needs to be placed.
Claims (4)
1. A method for dismantling a simple hoisting device of a box girder bailey sheet is characterized by comprising the following steps:
(1) before the box girder is poured, pre-buried I-shaped steel is pre-buried on the box girder, and the main girder is installed after the box girder is tensioned and grouted;
(2) a through hole is formed in the box girder below the reserved hole, the lifting end of a second rope on one of the two groups of main girders penetrates through the through hole to be connected with one end of a box girder bailey piece group to be removed, the lifting end of a first rope is connected with one end of the box girder bailey piece group, the lifting end of a second rope on the other group of main girders penetrates through the through hole to be connected with the other end of the box girder bailey piece group to be removed, and the lifting end of the first rope is connected with the other end of the box girder bailey piece group to be removed;
(3) the position of the box girder bailey piece group is adjusted by opening and closing the rope collecting switch and the rope releasing switch of the first winch and the second winch, and the box girder bailey piece group is moved to a place where the box girder bailey piece group needs to be placed;
demolish simple and easy hoisting apparatus of case roof beam bailey piece, including the girder, the girder includes two sets ofly, the stiff end and the roof of case roof beam of girder are connected, the end that hangs of girder stretches out the case roof beam, the length direction of girder is perpendicular with the length direction who builds the case roof beam on site, from hanging the direction of end to stiff end and being equipped with first fixed pulley and second fixed pulley in proper order on the girder, second fixed pulley one side is equipped with the reservation hole, fixed first hoist engine and second hoist engine on the girder, first rope is connected to first hoist engine, first rope lifts by crane the end and walks around first fixed pulley, the second rope is connected to the second hoist engine, second rope lifts by crane the end and walks around the second fixed pulley and passes the reservation hole.
2. The method for detaching the simple hoisting device of the box girder bailey piece according to claim 1, wherein the number of the two main girders is two, the hanging ends of the two main girders are connected through a cross beam, and the first fixed pulley and the second fixed pulley are arranged between the two main girders.
3. The method for detaching the simple hoisting device of the box girder bailey piece according to claim 1, wherein the fixed end of the main girder is connected with the top of the box girder through a plurality of pre-buried I-shaped steels.
4. The method for detaching the simple lifting device of the box girder bailey piece according to claim 1, wherein the length direction of the main girder is perpendicular to the length direction of the cross beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475990.2A CN108374351B (en) | 2018-05-17 | 2018-05-17 | Simple hoisting device and method for dismantling box girder bailey pieces |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475990.2A CN108374351B (en) | 2018-05-17 | 2018-05-17 | Simple hoisting device and method for dismantling box girder bailey pieces |
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| Publication Number | Publication Date |
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| CN108374351A CN108374351A (en) | 2018-08-07 |
| CN108374351B true CN108374351B (en) | 2020-09-04 |
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| CN201810475990.2A Active CN108374351B (en) | 2018-05-17 | 2018-05-17 | Simple hoisting device and method for dismantling box girder bailey pieces |
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| CN113846566B (en) * | 2021-09-30 | 2023-05-16 | 中建隧道建设有限公司 | Bridge man-machine non-channel construction method |
| CN114960481A (en) * | 2022-06-15 | 2022-08-30 | 中建八局第三建设有限公司 | Large-span Bailey beam portal unloading and dismantling construction method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203452013U (en) * | 2013-08-29 | 2014-02-26 | 中交第四公路工程局有限公司 | Integrated unloading device for cantilever casting cradle template |
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| CN202416191U (en) * | 2011-12-29 | 2012-09-05 | 中交第四公路工程局有限公司 | Descending-type movable mould frame offshore dismounting main beam lifting device |
| CN103277582A (en) * | 2013-05-15 | 2013-09-04 | 中国葛洲坝集团股份有限公司 | Method for mounting inclined shaft internal pressure steel tube |
| CN103711078A (en) * | 2013-12-17 | 2014-04-09 | 北京工业大学 | Temporary girder-type support for bridge construction and dismantling method thereof |
| CN104195953B (en) * | 2014-09-01 | 2016-03-30 | 中国铁建大桥工程局集团有限公司 | The method that a kind of bridge base plate position beam-type support entirety laterally shifts out and device |
| CN204416978U (en) * | 2015-01-30 | 2015-06-24 | 中国葛洲坝集团股份有限公司 | Anchor pulley jib assembling system in winch sky in underground chamber |
| CN104627879A (en) * | 2015-01-30 | 2015-05-20 | 中国葛洲坝集团股份有限公司 | Winch overhead anchor pulley hoisting system in underground cavern and simulation method of winch overhead anchor pulley hoisting system |
| CN107142857B (en) * | 2017-05-25 | 2018-12-11 | 中铁十局集团第三建设有限公司 | Cast-in-situ Beam bottom beret slice method for dismounting |
| CN207048281U (en) * | 2017-07-28 | 2018-02-27 | 马鞍山钢铁建设集团有限公司 | A kind of ore deposit Jiao groove feed hopper liner installation system |
| CN208517821U (en) * | 2018-05-17 | 2019-02-19 | 中交一公局厦门工程有限公司 | A kind of simple hoisting apparatus for removing box beam beret slice |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203452013U (en) * | 2013-08-29 | 2014-02-26 | 中交第四公路工程局有限公司 | Integrated unloading device for cantilever casting cradle template |
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| CN108374351A (en) | 2018-08-07 |
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Address after: 361021 Yinjiang Road 139, Jimei District, Xiamen City, Fujian Province Applicant after: CCCC FIRST HIGHWAY XIAMEN ENGINEERING Co.,Ltd. Applicant after: CCCC FIRST HIGHWAY ENGINEERING GROUP Co.,Ltd. Address before: 361021 Yinjiang Road 139, Jimei District, Xiamen City, Fujian Province Applicant before: CCCC FIRST HIGHWAY XIAMEN ENGINEERING Co.,Ltd. Applicant before: CCCC FIRST HIGHWAY ENGINEERING Co.,Ltd. |
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