CN109653099B - Shoulder pole Liang Zhuaijie device for lowering beam section - Google Patents
Shoulder pole Liang Zhuaijie device for lowering beam section Download PDFInfo
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- CN109653099B CN109653099B CN201910015230.8A CN201910015230A CN109653099B CN 109653099 B CN109653099 B CN 109653099B CN 201910015230 A CN201910015230 A CN 201910015230A CN 109653099 B CN109653099 B CN 109653099B
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- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 238000005096 rolling process Methods 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 238000010276 construction Methods 0.000 description 7
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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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- Civil Engineering (AREA)
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Abstract
The invention discloses a shoulder pole Liang Zhuaijie device for lowering a beam section, which comprises a plurality of layers of connecting beams which are stacked in parallel and are connected with each other; each layer of connecting beam comprises two parallel frame bodies which are positioned on the same horizontal plane, a hoisting gap is reserved between the two frame bodies, the connecting beam positioned at the topmost layer and the bottommost layer is provided with four hoisting plates on the upper end surfaces of the top plates or the lower end surfaces of the bottom plates of the two frame bodies, the four hoisting plates are respectively provided with hoisting holes communicated with the hoisting gap, and each hoisting plate is respectively fixedly connected with the top plates or the bottom plates of the two corresponding frame bodies through connecting bolts. The invention is connected between two shoulder pole beams, and the shoulder pole beams are connected with the hoisting finish rolling deformed steel of the bridge girder erection machine through the invention, so that the longitudinal distance between the two hoisting finish rolling deformed steel can be shortened, the number of lowering beam sections can be reduced, and the rotation space of the last beam section can be increased.
Description
Technical Field
The invention relates to the field of construction of splicing and erecting segments Liang Jiao, in particular to a shoulder pole Liang Zhuaijie device for lowering a beam segment.
Background
In order to ensure the transportation stability, the girder face width of the segment girder is designed to be 12.6m, the girder Duan Kuandu 4.6.6 m is actually transported along the bridge in the transportation process, the girder is fed to the girder segment design position by the girder transporting vehicle, the girder is required to be rotated by 90 degrees to be adjusted to the design posture, the rotation diameter is 1341.3cm, meanwhile, a certain operation space is required for gluing operation Liang Duanjian, a descending girder segment is required to be arranged, the descending girder segments are respectively 5# and 7# and the four descending girder segments of 9# and 11# and the last girder segment 6# segment is required to meet the circular shape with the space diameter of 1341.3 cm. Referring to fig. 2, in the current lifting of the lowering beam section, two shoulder pole beams are installed at the top end of the lowering beam section, lifting finish rolling deformed steel bars of the bridge girder erection machine are respectively connected with the two shoulder pole beams for lifting, construction of all the lowering beam sections takes about 2 hours, and construction is inconvenient, safe and non-guaranteed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a shoulder pole Liang Zhuaijie device for lowering beam sections, which is connected between two shoulder pole beams, wherein the shoulder pole beams are connected with hoisting finish rolling deformed steel bars of a bridge girder erection machine through the device, so that the longitudinal distance between the two hoisting finish rolling deformed steel bars can be shortened, the number of lowering beam sections can be reduced, and the rotation space of the last beam section can be increased.
The technical scheme of the invention is as follows:
a shoulder pole Liang Zhuaijie device for lowering a beam section, comprising a plurality of layers of connecting beams which are stacked in parallel and are connected with each other; each layer of connecting beam comprises two parallel frame bodies which are positioned on the same horizontal plane, a hoisting gap is reserved between the two frame bodies, each frame body comprises a top plate, a bottom plate, a supporting plate connected between the top plate and the bottom plate, and two side sealing plates respectively connected with the same-direction end parts of the top plate and the bottom plate, and the side sealing plates at the same-direction end parts of the two frame bodies are connected and fixed through transverse connecting plates; four hanging plates are arranged on the upper end faces of the top-most connecting beam and the top plates of the two frame bodies, hanging holes communicated with the hanging gaps are formed in the four hanging plates, and each hanging plate is fixedly connected with the top plates of the two frame bodies through connecting bolts; the connecting beam is positioned at the bottommost layer, four hanging plates are arranged on the lower end surfaces of the two frame body bottom plates, hanging holes communicated with the hanging gaps are formed in the four hanging plates, and each hanging plate is fixedly connected with the bottom plates of the two frame bodies through connecting bolts respectively; the four lifting plates at the top layer are in one-to-one correspondence with the four lifting plates at the bottom layer and are mutually overlapped; in the multilayer connecting beams, two adjacent connecting beams, the bottom plate of the upper connecting beam is positioned on the upper end face of the top plate of the lower connecting beam, and the bottom plate of the upper connecting beam and the top plate of the lower connecting beam are fixedly connected through connecting bolts.
The shoulder pole beam comprises two layers of connecting beams which are stacked in parallel.
Each frame body comprises a plurality of reinforcing plates connected between the top plate and the bottom plate, the reinforcing plates are divided into two groups and are respectively positioned at two sides of the corresponding supporting plate, and the two groups of reinforcing plates are perpendicular to the supporting plate and the inner ends of the reinforcing plates are fixed on the vertical surfaces corresponding to the supporting plate.
The top end of the lowering beam section is provided with two shoulder pole beams which are positioned on the same horizontal plane and are parallel to each other, and the distance between the lifting holes on the two lifting plates positioned at the two ends is equal to the distance between the central axes of the two shoulder pole beams in the four lifting plates at the topmost layer or the four lifting plates at the bottommost layer.
And the distance between the lifting holes on the two lifting plates positioned in the middle among the four lifting plates positioned at the topmost layer or the four lifting plates positioned at the bottommost layer is half of the distance between the lifting holes on the two lifting plates positioned at the two ends.
The invention has the advantages that:
the invention is connected between two parallel shoulder pole beams, the hoisting finish rolling deformed steel of the bridge girder erection machine can be directly connected with the invention, so that the longitudinal distance between the two hoisting finish rolling deformed steel bars can be correspondingly shortened for hoisting, after the longitudinal distance is shortened, the distance between the beam sections positioned on the upper layer is shortened, and the placing space of the beam sections on the upper layer is enlarged, thereby reducing the number of beam sections to be lowered, increasing the number of beam sections on the upper layer and shortening the construction time consumption of beam sections to be lowered; according to the invention, the number of the lowered beam sections is adjusted, the longitudinal distance between two hoisting finish rolling deformed steel bars is shortened, and the rotation space of the last beam section can meet the construction regulation. According to the invention, the double-layer connecting beams are arranged, and the supporting plates and the reinforcing plates are arranged between each layer of connecting beams, so that the stability of the hoisting device is improved.
Drawings
FIG. 1 is a schematic view of a construction of a lifting beam section of a bridge girder erection machine;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a front view of a suspended drop beam segment of the present invention;
figure 4 is a side view of a suspended drop beam section of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 2, a carrier Liang Zhuaijie assembly for lowering a beam section includes two parallel stacked and interconnected connecting beams; each layer of connecting beam comprises two parallel frame bodies which are positioned on the same horizontal plane, a hoisting gap 9 is reserved between the two frame bodies, each frame body comprises a top plate 1, a bottom plate 2, a supporting plate 3 connected between the top plate 1 and the bottom plate 2, twenty-four reinforcing plates 4 and two side sealing plates 5 respectively connected to the same-directional end parts of the top plate 1 and the bottom plate 2, the twenty-four reinforcing plates 4 are divided into two groups and are respectively positioned on two sides of the corresponding supporting plate 3, the two groups of reinforcing plates 4 are perpendicular to the supporting plate 3, the inner ends of the two groups of reinforcing plates are fixed on the corresponding vertical surfaces of the supporting plate 3, and the side sealing plates 5 at the same-directional end parts of the two frame bodies are connected and fixed through transverse connecting plates 6; four lifting plates 7 are arranged on the upper end surfaces of two frame body top plates 1 of the connecting beam positioned on the upper layer and the lower end surfaces of two frame body bottom plates 2 of the connecting beam positioned on the lower layer, lifting holes 8 communicated with lifting gaps 9 are formed in the four lifting plates 7, each lifting plate 7 on the connecting beam on the upper layer is fixedly connected with the top plates 1 of the corresponding two frame bodies through connecting bolts, and each lifting plate 7 on the connecting beam on the lower layer is fixedly connected with the bottom plates 2 of the corresponding two frame bodies through connecting bolts; the four lifting plates 7 on the upper layer connecting beam are in one-to-one correspondence with the four lifting plates 7 on the lower layer connecting beam and are mutually overlapped; in the two-layer connecting beam, the bottom plate 2 of the upper layer connecting beam is positioned on the upper end surface of the top plate 1 of the lower layer connecting beam, and the bottom plate 2 of the upper layer connecting beam and the top plate 1 of the lower layer connecting beam are fixedly connected through connecting bolts.
In which, as shown in fig. 2-4, two shoulder pole beams 02 which are positioned on the same horizontal plane and are parallel to each other are installed at the top end of the lowering beam section 01, and the distance between the lifting holes 8 on the two lifting plates 7 positioned at the two ends is equal to the distance between the central axes of the two shoulder pole beams 02, and the distance between the lifting holes 8 on the two lifting plates 7 positioned in the middle is half of the distance between the lifting holes 8 on the two lifting plates 7 positioned at the two ends.
In the embodiment of the invention, the distance between the lifting holes 8 on the two lifting plates 7 positioned at the two ends is 2.3 meters, the distance between the lifting holes 8 on the two lifting plates 7 positioned in the middle is designed to be 1.15 meters,
during hoisting, the two hoisting plates 7 at two ends are fixedly connected with the shoulder pole beam 02, the two hoisting plates 7 in the middle are connected with hoisting finish rolling screw steel, then a bridge girder erection machine is moved to a girder erection position, the girder erection posture is adjusted, then a girder transporting vehicle is used for transporting a girder Duan Yun to the lower part of a crown block of the bridge girder erection machine, a girder section is longitudinally transported from the hoisting position of the crown block to the erection position, then the girder section is hung on the bridge girder erection machine section by section, and 5# girder sections, 7# girder sections and 9# girder sections are respectively lowered, so that the girder erection operation is completed.
The 56m segments Liang Yikua are 13 segments in total, wherein the segments at two ends are 2.7m, the other standard beams Duan Jun are 4.6m long, and the rotation space of the 6# beam segments is alpha as calculated by lowering the 5# beam segment, the 7# beam segment and the 9# beam segment in fig. 1: α=56- [2.7+4.6×2+ (4.6+1.15) ×2+1.15+4.6×3+2.7] =14.95 m,
i.e. the space for rotation is larger than the set rotation space 13.413m.
Setting the rotation space of the beam sections of 5# and 7# and the beam sections of 9# and 11# as alpha:
α=56- [2.7+ (4.6+2.3) ×3+2.3+4.6×3+2.7] =13.8, which is smaller than the modified rotation space α.
Because the 11# beam section of the lowering beam section is reduced, the construction time of the lowering beam section is reduced by 0.5h.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A shoulder pole Liang Zhuaijie device for lowering a beam section, comprising: comprises a plurality of layers of connecting beams which are stacked in parallel and connected with each other; each layer of connecting beam comprises two parallel frame bodies which are positioned on the same horizontal plane, a hoisting gap is reserved between the two frame bodies, each frame body comprises a top plate, a bottom plate, a supporting plate connected between the top plate and the bottom plate, and two side sealing plates respectively connected with the same-direction end parts of the top plate and the bottom plate, and the side sealing plates at the same-direction end parts of the two frame bodies are connected and fixed through transverse connecting plates; four hanging plates are arranged on the upper end faces of the top-most connecting beam and the top plates of the two frame bodies, hanging holes communicated with the hanging gaps are formed in the four hanging plates, and each hanging plate is fixedly connected with the top plates of the two frame bodies through connecting bolts; the connecting beam is positioned at the bottommost layer, four hanging plates are arranged on the lower end surfaces of the two frame body bottom plates, hanging holes communicated with the hanging gaps are formed in the four hanging plates, and each hanging plate is fixedly connected with the bottom plates of the two frame bodies through connecting bolts respectively; the four lifting plates at the top layer are in one-to-one correspondence with the four lifting plates at the bottom layer and are mutually overlapped; in the multi-layer connecting beams, two adjacent connecting beams, the bottom plate of the upper connecting beam is positioned on the upper end surface of the top plate of the lower connecting beam, and the bottom plate of the upper connecting beam and the top plate of the lower connecting beam are fixedly connected through connecting bolts;
the top end of the lowering beam section is provided with two shoulder pole beams which are positioned on the same horizontal plane and are parallel to each other, and the distance between the lifting holes on the two lifting plates positioned at the two ends is equal to the distance between the central axes of the two shoulder pole beams in the four lifting plates at the topmost layer or the four lifting plates at the bottommost layer;
and the distance between the lifting holes on the two lifting plates positioned in the middle among the four lifting plates positioned at the topmost layer or the four lifting plates positioned at the bottommost layer is half of the distance between the lifting holes on the two lifting plates positioned at the two ends.
2. The drop beam segment shoulder pole Liang Zhuaijie device of claim 1, wherein: the shoulder pole beam comprises two layers of connecting beams which are stacked in parallel.
3. The drop beam segment shoulder pole Liang Zhuaijie device of claim 1, wherein: each frame body comprises a plurality of reinforcing plates connected between the top plate and the bottom plate, the reinforcing plates are divided into two groups and are respectively positioned at two sides of the corresponding supporting plate, and the two groups of reinforcing plates are perpendicular to the supporting plate and the inner ends of the reinforcing plates are fixed on the vertical surfaces corresponding to the supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015230.8A CN109653099B (en) | 2019-01-08 | 2019-01-08 | Shoulder pole Liang Zhuaijie device for lowering beam section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015230.8A CN109653099B (en) | 2019-01-08 | 2019-01-08 | Shoulder pole Liang Zhuaijie device for lowering beam section |
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| Publication Number | Publication Date |
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| CN109653099A CN109653099A (en) | 2019-04-19 |
| CN109653099B true CN109653099B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910015230.8A Active CN109653099B (en) | 2019-01-08 | 2019-01-08 | Shoulder pole Liang Zhuaijie device for lowering beam section |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110424265B (en) * | 2019-07-09 | 2021-11-26 | 宁波一帆起重吊装有限公司 | Bridge prefabricated part inter-span beam-lifting direct hoisting device and hoisting process method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020051257A (en) * | 2000-12-22 | 2002-06-28 | 이구택 | Method for extending the length of the crane girder |
| CN202967874U (en) * | 2012-12-24 | 2013-06-05 | 中铁十七局集团第三工程有限公司 | Overall girder transporting vehicle lifting spreader |
| CN106284109A (en) * | 2016-08-17 | 2017-01-04 | 中铁二十局集团第三工程有限公司 | On across the most wired bridge main beam method for dismounting |
| CN206015529U (en) * | 2016-08-17 | 2017-03-15 | 中铁二十局集团第三工程有限公司 | Based on Bridge Erector across both wired bridge hoisting systems |
| CN107059645A (en) * | 2017-06-13 | 2017-08-18 | 中交第二航务工程局有限公司 | A kind of Long span variable cross-section precast segmental beam assembling construction structure and construction method |
| CN209602962U (en) * | 2019-01-08 | 2019-11-08 | 中铁四局集团有限公司 | A kind of shoulder pole girder switching device for transferring beam section |
-
2019
- 2019-01-08 CN CN201910015230.8A patent/CN109653099B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020051257A (en) * | 2000-12-22 | 2002-06-28 | 이구택 | Method for extending the length of the crane girder |
| CN202967874U (en) * | 2012-12-24 | 2013-06-05 | 中铁十七局集团第三工程有限公司 | Overall girder transporting vehicle lifting spreader |
| CN106284109A (en) * | 2016-08-17 | 2017-01-04 | 中铁二十局集团第三工程有限公司 | On across the most wired bridge main beam method for dismounting |
| CN206015529U (en) * | 2016-08-17 | 2017-03-15 | 中铁二十局集团第三工程有限公司 | Based on Bridge Erector across both wired bridge hoisting systems |
| CN107059645A (en) * | 2017-06-13 | 2017-08-18 | 中交第二航务工程局有限公司 | A kind of Long span variable cross-section precast segmental beam assembling construction structure and construction method |
| CN209602962U (en) * | 2019-01-08 | 2019-11-08 | 中铁四局集团有限公司 | A kind of shoulder pole girder switching device for transferring beam section |
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