WO2020233501A1 - 一种大吨位箱梁正位提梁上桥施工方法及其架设方法 - Google Patents

一种大吨位箱梁正位提梁上桥施工方法及其架设方法 Download PDF

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Publication number
WO2020233501A1
WO2020233501A1 PCT/CN2020/090405 CN2020090405W WO2020233501A1 WO 2020233501 A1 WO2020233501 A1 WO 2020233501A1 CN 2020090405 W CN2020090405 W CN 2020090405W WO 2020233501 A1 WO2020233501 A1 WO 2020233501A1
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Prior art keywords
bridge
box girder
erected
hoist
box
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PCT/CN2020/090405
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English (en)
French (fr)
Inventor
叶玉森
陈建南
潘传伟
林国辉
陈孟强
李世龙
李超
王强
陈建军
李达
唐浩先
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中铁二局集团有限公司
中铁二局集团新运工程有限公司
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Application filed by 中铁二局集团有限公司, 中铁二局集团新运工程有限公司 filed Critical 中铁二局集团有限公司
Priority to US17/613,060 priority Critical patent/US11391004B1/en
Priority to JP2021536362A priority patent/JP6986656B1/ja
Publication of WO2020233501A1 publication Critical patent/WO2020233501A1/zh

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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
    • E01D21/06Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C19/00Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2/00Bridges characterised by the cross-section of their bearing spanning structure
    • E01D2/04Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
    • 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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  • the invention relates to the technical field of bridge engineering, in particular to a construction method and erection method of a large-tonnage box girder on the bridge.
  • the temporary channel must be led out from the center line of the bridge, which affects the construction of the adjacent tender section; the bridge deck is large in height from the ground, limited by the climbing ability of the beam transport equipment, and the channel is set to be very long. Large quantities and high costs; special equipment for beam installation is required in the prefabrication yard; it is extremely difficult to construct passages for soft soil foundations in tidal flat areas, and the restoration costs after the completion of the project are extremely high.
  • the installation of lateral lifting equipment for lifting stations and the upper beam bridge has the following shortcomings: the required beam lifting equipment has a large span, large land use area, and high use risk.
  • the purpose of the present invention is to overcome the above-mentioned shortcomings existing in the prior art, and provide a construction method and erection method of a large tonnage box girder on the bridge.
  • a method for erecting a large-tonnage box girder on the bridge by erecting the girder in position includes the following steps:
  • S1 Construction lifting station
  • the transporter transports the box beam to be erected to the beam pedestal for storage;
  • the lifting station is set on one side of the bridge line, and the box girder is lifted laterally by the hoist, and then the upper bridge is moved laterally (referred to as the lateral lifting beam).
  • the lifting station is set directly below the bridge line , Place the hoisting track next to the bridge line and set it on both sides of the bridge pier, place the box girder to be erected directly below the line, and use the hoist to directly lift the upper bridge (referred to as the front beam).
  • the vertical lifting beam of the present invention sets the lifting station directly under the bridge line, which greatly saves the land use area, and the hoist track can be set directly next to the bridge line, and the span of the hoist Can be greatly reduced, and is conducive to equipment stability.
  • the construction method of the large-tonnage box girder in the present invention uses small-span equipment instead of large-span equipment to complete the construction operation, and the girder-lifting station is arranged on the longitudinal center line of the bridge pier, which saves the land use area and reduces the construction cost. And it is conducive to the stability of the equipment, reduces the risk of equipment use, and improves the work efficiency.
  • the span center line of the lifting station coincides with the center line of the bridge pier, and the beam lifting pedestal is arranged in the middle of the lifting station.
  • the coverage area of the traveling track of the hoist includes at least the front and rear three-hole bridges of the hoisting station to ensure that the hoist can be erected on both sides of the hoisting station.
  • the number of reserved bridge piers depends on the external dimensions of the rack transport equipment, so that the rack transport equipment can be smoothly mounted on the bridge through the hoist.
  • the method further includes:
  • Step S24 Repeat the steps S21 to S23 to erect the next box girder to be erected until the total size of the box girder directly erected by the beam lifting machine is larger than the overall size of the equipment for transporting the erection;
  • the method further includes:
  • the transporter transports the box beam to be erected to the beam platform for storage;
  • the present invention uses a beam lifting machine to lift the lifting equipment to the upper bridge.
  • the beam lifting machine and the lifting equipment are used together.
  • the box girder lifted by the beam lifting machine is transported to the front for operation by the beam lifting vehicle, so that all the box beams of the entire bridge can be lifted on the bridge .
  • the center line of the beam transport vehicle is adjusted by using the diagonal movement function of the beam transport vehicle, so that the center line of the beam transport vehicle and the center line of the line roughly coincide.
  • the invention also discloses a method for erecting a large-tonnage box girder, which includes the following steps:
  • S1 Construction lifting station
  • the transporter transports the box beam to be erected to the beam pedestal for storage;
  • the transporter transports the box beam to be erected to the beam platform for storage;
  • the bridge erecting machine moves longitudinally to the position of the bridge span to be erected, the beam transport vehicle transports the box girder to be erected to the bridge erection machine, and the beam transport vehicle cooperates with the bridge erecting machine to complete the erection of the box girder;
  • the method for erecting large tonnage box girder of the present invention adopts the construction method of erecting the girder on the bridge, and combines the bridge erecting machine and the beam transport vehicle to complete the erection of the large tonnage box girder of the entire bridge, which is beneficial to the installation of equipment Demolition, reducing the footprint of the lifting station and reducing construction costs.
  • the hoist erects the box girder in both directions of the bridge, and the erection of several box girder is completed on both sides of the hoisting station, and the total box girder directly erected by the hoist in each direction
  • the dimensions are larger than the overall dimensions of the equipment
  • step S3 the hoist lifts two sets of rack transport equipment to the box beams in two directions;
  • step S4 the box beams lifted by the hoist are respectively placed on two beam transport vehicles in different directions;
  • step S5 the beam transport vehicle in each direction cooperates with the corresponding bridge erecting machine to complete the box girder erection;
  • steps S4 to S5 are repeated to erect the next box beam to be erected until the erection of all box beams in both directions is completed;
  • step S7 the two sets of rack transport equipment are hoisted to the lower bridge, and the steps S8 and S9 are omitted.
  • Fig. 1 is a schematic flow chart of a method for constructing a large-tonnage box girder on the bridge by erecting the girder on the bridge.
  • Figure 2 is a schematic diagram of the structure of the lifting station according to the present invention.
  • Fig. 3 is a schematic diagram of the conveying machine according to the present invention conveying the box girder to be erected to the beam lifting platform for storage.
  • Fig. 4 is a schematic diagram of the hoist according to the present invention walking to just above the beam lifting platform and lifting the box beam to be erected to the height of the bridge deck.
  • Fig. 5 is a schematic diagram of the longitudinal moving hoist according to the present invention to the position to be erected and the box girder to be erected.
  • Fig. 6 is a schematic flow chart of a method for erecting a large-tonnage box girder on the bridge by erecting the girder according to Embodiment 2 of the present invention.
  • Figure 7 is a schematic diagram of the beam transport vehicle carrying the bridge erecting machine to the lifting station according to the present invention.
  • Fig. 8 is a schematic diagram of the beam transport vehicle being lifted by the hoist according to the present invention.
  • Fig. 9 is a schematic diagram of the hoist lifting the bridge erecting machine according to the present invention.
  • Figure 10 is a schematic diagram of the beam transport vehicle carrying the bridge erecting machine to the front of the present invention.
  • Figure 11 is a schematic diagram of the hoist according to the present invention placing the box girder to be erected on the beam transport vehicle.
  • Fig. 12 is a flow chart of a method for erecting a large-tonnage box girder according to Embodiment 3 of the present invention.
  • FIG. 13 is a schematic diagram of the beam transport vehicle of the present invention transporting the box beam to be erected to the front.
  • Fig. 14 is an intentional flow chart of a method for erecting a large tonnage box girder according to Embodiment 4 of the present invention.
  • a method for erecting a large-tonnage box girder on the bridge includes the following steps:
  • piers 1 are reserved on the bridge line for temporary construction, and lifting station 2 is constructed at the reserved pier 1.
  • the centerline of the span of lifting station 2 coincides with the centerline of M-shaped pier 1.
  • a number of beam lifting pedestals 3 are arranged in the lifting station 2, and the beam lifting pedestals 3 are arranged in the middle of the lifting station 2 and directly below the bridge line.
  • a hoisting track 4 is constructed on both sides of the pier 1.
  • the coverage of the hoisting track 4 includes at least the front and rear three-hole bridge of the hoisting station 2, and is installed on the hoisting track 4 Lifting machine.
  • this embodiment discloses a method for constructing a large-tonnage box girder on the bridge.
  • the construction steps include all the steps of Embodiment 1, and after the step S23, it also includes
  • the beam transport vehicle 9 transports the bridge erector 10 to the lifting station 2, and uses the diagonal movement function of the beam transport vehicle 9 to adjust the center line of the beam transport vehicle 9 so that the center line of the beam transport vehicle 9 is approximately equal to the line center line Coincide, as shown in Figure 7;
  • a method for erecting a large-tonnage box girder includes steps S1-step S4 described in Embodiment 2, and further includes:
  • Girder truck 9 cooperates with bridge erector 10 to complete box girder erection
  • the bridge erecting machine 10 moves longitudinally to the position to be erected, the beam transport vehicle 9 transports the box girder 7 to be erected to the bridge erection machine 10, and the beam transport vehicle 9 cooperates with the bridge erecting machine 10 to complete the erection of the box girder, as shown in Figure 13 ;
  • a method for erecting a large tonnage box girder includes the following steps:
  • piers 1 are reserved on the bridge line for temporary construction, and lifting station 2 is constructed at the reserved pier 1.
  • the centerline of the span of lifting station 2 coincides with the centerline of M-shaped pier 1.
  • a number of beam lifting pedestals 3 are arranged in the lifting station 2, and the beam lifting pedestals 3 are arranged in the middle of the lifting station 2 and directly below the bridge line.
  • a hoisting track 4 is constructed on both sides of the pier 1.
  • the coverage of the hoisting track 4 includes at least the front and rear three-hole bridge of the hoisting station 2, and is installed on the hoisting track 4 Lifting machine.
  • the beam transport vehicle 9 transports the bridge erector 10 to the lifting station 2, and uses the diagonal movement function of the beam transport vehicle 9 to adjust the center line of the beam transport vehicle 9 so that the center line of the beam transport vehicle 9 is approximately equal to the line center line Coincide, as shown in Figure 7;
  • the hoist 6 respectively lifts the bridge erecting machine 10 and the beam transport vehicle 9 on the bridge, and places them on the erected box girder 8 of the step S2, as shown in Figures 8-9; then, the beam transport vehicle 9 carries The bridge machine 10 is transported to the front for operation, as shown in FIG. 10. In this step, the hoist 6 lifts two sets of rack transport equipment to the erected box beams 8 in two directions.
  • Girder truck 9 cooperates with bridge erector 10 to complete box girder erection
  • the bridge erecting machine 10 moves longitudinally to the position to be erected, the beam transport vehicle 9 transports the box girder 7 to be erected to the bridge erection machine 10, and the beam transport vehicle 9 cooperates with the bridge erecting machine 10 to complete the erection of the box girder, as shown in Figure 13
  • the beam transport vehicle 9 in each direction cooperates with the bridge erector 10 to complete the box girder erection, completing the box girder erection in both directions of the bridge;

Abstract

一种大吨位箱梁正位提梁上桥施工方法及其架设方法,施工方法为:在预留桥墩(1)处施工提升站(2),提升站(2)内设提梁台座(3)、提升机走行轨道(4)及安装提升机(6),提升机(6)直接架设箱梁(7),提升机(6)走行至台座(3)上方提升并架设箱梁(7);架设方法还包括:提升机(6)提升单套或双套运架设备上桥,运梁车(9)配合架桥机(10)重复完成箱梁(7)架设,提升机(6)吊装运架设备下桥,提升机(6)提升预留桥墩(1)范围内的箱梁(7)至已架设箱梁(7),施工预留桥墩(1),提升机(6)完成预留桥墩(1)范围内的箱梁(7)架设。该箱梁的施工方法和架设方法占地小,效率高。

Description

一种大吨位箱梁正位提梁上桥施工方法及其架设方法 技术领域
本发明涉及桥梁工程技术领域,特别涉及一种大吨位箱梁正位提梁上桥施工方法及其架设方法。
背景技术
大吨位钢筋混凝土预制箱梁架设施工,传统方法:一是填筑上桥便道,运梁设备自梁场装梁后沿便道运行到桥面;二是设置专用提升站,用大跨度提升机侧位吊装运架设备及钢筋混凝土预制箱梁提升上桥。
采用填筑临时通道上桥具有以下不足:临时通道必须自桥中线引出,影响相邻标段施工;桥面距地面高差大,受运梁设备爬坡能力限制,通道设置很长,临时工程量大、成本高;预制场内需设置装梁专用设备;滩涂区的软土地基修筑通道极端困难,且工程结束后的恢复费用极高。设置提升站侧位提升设备及梁榀上桥具有以下不足:所需提梁设备跨度大、土地使用面积大,使用风险高。
发明内容
本发明的目的在于克服现有技术中所存在的上述不足,提供一种大吨位箱梁正位提梁上桥施工方法及其架设方法。
为了实现上述发明目的,本发明提供了以下技术方案:
一种大吨位箱梁正位提梁上桥施工方法,包括以下步骤:
S1:施工提升站;
在桥梁线路上预留若干个桥墩暂不施工,并在预留桥墩处施工提升站,在 所述提升站内设置若干个提梁台座,并沿桥墩纵向中心线在桥墩两侧施工提升机走行轨道及安装提升机;
S2:提升机直接架设箱梁;
S21:搬运机将待架设箱梁搬运至提梁台座存放;
S22:提升机走行至提梁台座正上方,并提升所述待架设箱梁至桥面高度;
S23:纵移提升机至待架桥跨位置,并架设所述待架设箱梁。
现有技术中将提升站设置在桥梁线路的一侧,利用提升机侧位提升箱梁,再横移上桥(简称为侧位提梁),而本申请将提升站直接设置在桥梁线路的下方,将提升机走行轨道紧邻桥梁线路,设置在桥墩的两侧,将待架设箱梁直接放置在线路下方,利用提升机直接提升上桥(简称为正位提梁)。因此,相对于侧位提梁,本发明所述的正位提梁将提升站直接设置在桥梁线路的下方,大大节约了土地使用面积,且提升机走行轨道可直接紧邻桥梁线路设置,提升机的跨度可大大缩小,且有利于设备的稳定性。
本发明所述的大吨位箱梁正位提梁上桥施工方法,利用小跨度设备代替大跨度设备完成施工作业,将提梁站设置在桥墩纵向中心线,节约了土地使用面积,降低了施工成本,且有利于设备稳定性,减小设备的使用风险,提高作业效率。
优选的,所述步骤S1中,所述提升站的跨度中心线与桥墩中心线重合,所述提梁台座设置在提升站中间。
优选的,所述步骤S1中,所述提升机走行轨道的覆盖范围至少包括所述提升站的前后三孔桥,以保证提升机能在提升站两侧均进行箱梁架设。
优选的,所述步骤S1中,预留桥墩的数量取决于运架设备的外形尺寸,以便于运架设备能通过提升机顺利上桥。
优选的,所述步骤S23之后还包括:
步骤S24:重复所述步骤S21至S23,架设下一榀待架设箱梁,直至提梁机直接架设的箱梁总尺寸大于运架设备的外形尺寸;
所述步骤S24之后还包括:
S3:提升机提升运架设备上桥;
S31:运梁车驮运架桥机至提升站;
S32:提升机分别提升架桥机和运梁车上桥,并安放在所述步骤S2架设的箱梁上;
S4:提升机提升箱梁上桥;
S41:搬运机将待架设箱梁搬运至提梁台座存放;
S42:提升机走行至提梁台座正上方,并提升所述待架设箱梁至装车高度;
S43:纵移提升机至运梁车正上方,并将待架设箱梁安放在所述运梁车上。
本发明利用提梁机将运架设备提升上桥,提梁机和运架设备相配合使用,提梁机提升的箱梁,通过运梁车运输至前方作业,从而能实现整桥的箱梁全部上桥。
优选的,所述步骤S3中,利用运梁车的斜行功能来调整运梁车的中心线,使得运梁车的中心线和与线路中心线大致重合。
本发明还公开了一种大吨位箱梁的架设方法,包括以下步骤:
S1:施工提升站;
在桥梁线路上预留若干个桥墩暂不施工,并在预留桥墩处施工提升站,在所述提升站内设置若干个提梁台座,并沿桥墩纵向中心线在桥墩两侧施工提升机走行轨道及安装提升机;
S2:提升机直接架设箱梁;
S21:搬运机将待架设箱梁搬运至提梁台座存放;
S22:提升机走行至提梁台座正上方,并提升所述待架设箱梁至桥面高度;
S23:纵移提升机至待架桥跨位置,并架设所述待架设箱梁;
S24:重复所述步骤S21至S23,架设下一榀待架设箱梁,直至提升机直接架设的箱梁总尺寸大于运架设备的外形尺寸;
S3:提升机提升运架设备上桥;
S31:运梁车驮运架桥机至提升站;
S32:提升机分别提升架桥机和运梁车上桥,并安放在所述步骤S2架设的箱梁上;
S4:提升机提升箱梁上桥;
S41:搬运机将待架设箱梁搬运至提梁台座存放;
S42:提升机走行至提梁台座正上方,并提升所述待架设箱梁至装车高度;
S43:纵移提升机至运梁车正上方,并将待架设箱梁安放在所述运梁车上;S5:运梁车配合架桥机完成箱梁架设;
架桥机纵移至待架桥跨位置,运梁车将待架设箱梁运至架桥机处,运梁车配合架桥机完成箱梁架设;
S6:重复步骤S4至步骤S5,架设下一榀待架设箱梁,直至完成同一方向全部箱梁的架设;
S7:提升机吊装运架设备下桥;
S71:运梁车驮运架桥机至提升站附近的箱梁上;
S72:提升机分别吊装架桥机和运梁车下桥;
S8:架桥机和运梁车在桥下进行调头;
S9:重复步骤S2-S7,完成另一方向全部箱梁的架设,并吊装运架设备下桥;
S10:将预留桥墩范围内的待架设箱梁全都通过提升机提升上桥,并存放在已架设箱梁上;
S11:施工所述预留桥墩;
S12:提升机直接架设预留桥墩范围内的待架设箱梁至待架桥跨位置,从而完成了整桥大吨位箱梁的架设施工。
本发明所述的一种大吨位箱梁的架设方法,采用正位提梁上桥的施工方法,并结合架桥机和运梁车完成整桥大吨位箱梁的架设施工,有利于设备的安拆,减小提升站的占地面积,降低施工成本。
优选的,所述步骤S2中,提升机对桥梁两个方向的箱梁均进行架设,在提升站两侧均完成若干个箱梁的架设工作,且每个方向提升机直接架设的箱梁总尺寸均大于运架设备的外形尺寸;
所述步骤S3中,所述提升机提升两套运架设备至两个方向的箱梁上;
所述步骤S4中,提升机提升的箱梁分别放置至不同方向的两个运梁车上;
所述步骤S5中,每个方向的运梁车均配合相应的架桥机完成箱梁架设;
所述步骤S6中,重复步骤S4至步骤S5,架设下一榀待架设箱梁,直至完成两个方向全部箱梁的架设;
所述步骤S7中,将两套运架设备均吊装下桥,省略所述步骤S8和步骤S9。
利用两套运架设备同时进行桥梁两个方向(大里程和小里程)的箱梁的架设施工,可大大提高作业效率,节约施工时间。
与现有技术相比,本发明的有益效果:
(1)有利于设备的安拆,减小提升站的占地面积,降低施工成本;
(2)减小设备的跨度,减轻整机重量,减少设备购置费用;
(3)有利于设备稳定性,减小设备的使用风险,提高作业效率。
附图说明:
图1是本发明实施例1所述的一种大吨位箱梁正位提梁上桥施工方法的流程示意图。
图2是本发明所述的提升站的结构示意图。
图3是本发明所述的搬运机将待架设箱梁搬运至提梁台座存放的示意图。
图4是本发明所述的提升机走行至提梁台座正上方,并提升待架设箱梁至桥面高度的示意图。
图5是本发明所述的纵移提升机至待架桥跨位置,并架设待架设箱梁的示意图。
图6是本发明实施例2所述的一种大吨位箱梁正位提梁上桥施工方法的流程示意图。
图7是本发明所述的运梁车驮运架桥机至提升站的示意图。
图8是本发明所述的提升机提升运梁车的示意图。
图9是本发明所述的提升机提升架桥机的示意图。
图10是本发明所述的运梁车驮运架桥机至前方作业的示意图。
图11是本发明所述的提升机将待架设箱梁安放在运梁车上的示意图。
图12是本发明实施例3所述的一种大吨位箱梁的架设方法的流程是有意图。
图13是本发明所述的运梁车将待架设箱梁运至前方作业的示意图。
图14是本发明实施例4所述的一种大吨位箱梁的架设方法的流程是有意图。
图中标记:1-桥墩,2-提升站,3-提梁台座,4-提升机走行轨道,5-搬运机通道,6-提升机,7-待架设箱梁,8-已架设箱梁,9-运梁车,10-架桥机。
具体实施方式
下面结合试验例及具体实施方式对本发明作进一步的详细描述。但不应将此理解为本发明上述主题的范围仅限于以下的实施例,凡基于本发明内容所实现的技术均属于本发明的范围。
实施例1
如图1所示,一种大吨位箱梁正位提梁上桥施工方法,包括以下步骤:
S1:施工提升站2;
如图2所示,在桥梁线路上预留若干个桥墩1暂不施工,并在预留桥墩1处施工提升站2,提升站2跨度中心线同M型桥墩1中心线重合。在所述提升站2内设置若干个提梁台座3,所述提梁台座3设置在提升站2中间、位于桥梁线路的正下方。沿桥墩1纵向中心线,在桥墩1两侧施工提升机走行轨道4,所述提升机走行轨道4的覆盖范围至少包括所述提升站2的前后三孔桥,在提升机走行轨道4上安装提升机。并在提升站2附近预留及施工搬运机通道5,用以搬运机走行。
S2:提升机6直接架设箱梁;
S21:搬运机将待架设箱梁7搬运至提梁台座3存放,如图3所示;
S22:提升机6走行至提梁台座3正上方,并提升所述待架设箱梁7至桥面高度,如图4所示;
S23:纵移提升机6至待架桥跨位置,并架设所述待架设箱梁7,如图5所示。
实施例2
如图6所示,本实施例公开了一种大吨位箱梁正位提梁上桥施工方法,其施工步骤包括实施例1的全部步骤,且在所述步骤S23之后,还包括有
S24:重复所述步骤S21至S23,架设同一方向的下一榀待架设箱梁7,直至提升机6直接架设的箱梁总尺寸大于运架设备的外形尺寸,运架设备的外形尺寸包括架桥机和运梁车的长度以及宽度。
S3:提升机6提升运架设备上桥;
S31:运梁车9驮运架桥机10至提升站2,利用运梁车9的斜行功能来调整运梁车9的中心线,使得运梁车9的中心线和与线路中心线大致重合,如图7所示;
S32:提升机6分别提升架桥机10和运梁车9上桥,并安放在所述步骤S2的已架设箱梁8上,如图8-图9所示;接着,运梁车9驮运架桥机10至前方作业,如图10所示。
S4:提升机6提升箱梁上桥;
S41:搬运机将待架设箱梁7搬运至提梁台座3存放,如图3所示;
S42:提升机6走行至提梁台座3正上方,并提升所述待架设箱梁7至装车高度;
S43:纵移提升机6至运梁车正上方,并将待架设箱梁7安放在所述运梁车9上,如图11所示。
实施例3
如图12所示,一种大吨位箱梁的架设方法,包括实施例2所述的步骤S1-步骤S4,还包括:
S5:运梁车9配合架桥机10完成箱梁架设
架桥机10纵移至待架桥跨位置,运梁车9将待架设箱梁7运至架桥机10处,运梁车9配合架桥机10完成箱梁架设,如图13所示;
S6:重复步骤S4至步骤S5,架设下一榀待架设箱梁,直至完成同一方向全部箱梁的架设;
S7:提升机吊装运架设备下桥
S71:运梁车驮运架桥机至提升站附近的箱梁上;
S72:提升机分别吊装架桥机和运梁车下桥;
S8:架桥机和运梁车在桥下进行调头;
S9:重复步骤S2-S7,完成另一方向全部箱梁的架设,并吊装运架设备下桥;
S10:将剩余的待架设箱梁(预留桥墩范围内的待架设箱梁)全都通过提升机提升上桥,并存放在已架设箱梁上;
S11:施工所述预留桥墩;
S12:提升机直接架设剩余的待架设箱梁(预留桥墩范围内的待架设箱梁)至待架桥跨位置,从而完成了整桥大吨位箱梁的架设施工。
实施例4
如图14所示,一种大吨位箱梁的架设方法,包括以下步骤:
S1:施工提升站2;
如图2所示,在桥梁线路上预留若干个桥墩1暂不施工,并在预留桥墩1处施工提升站2,提升站2跨度中心线同M型桥墩1中心线重合。在所述提升站2内设置若干个提梁台座3,所述提梁台座3设置在提升站2中间、位于桥梁 线路的正下方。沿桥墩1纵向中心线,在桥墩1两侧施工提升机走行轨道4,所述提升机走行轨道4的覆盖范围至少包括所述提升站2的前后三孔桥,在提升机走行轨道4上安装提升机。并在提升站2附近预留及施工搬运机通道5,用以搬运机走行。
S2:提升机6直接架设箱梁;
S21:搬运机将待架设箱梁7搬运至提梁台座3存放,如图3所示;
S22:提升机6走行至提梁台座3正上方,并提升所述待架设箱梁7至桥面高度,如图4所示;
S23:纵移提升机6至待架桥跨位置,并架设所述待架设箱梁7,如图5所示;
S24:重复所述步骤S21至S23,架设桥梁两个方向的待架设箱梁7,在提升站2两侧均完成若干个箱梁的架设工作,直至每个方向提升机6直接架设的箱梁总尺寸均大于运架设备的外形尺寸,运架设备的外形尺寸包括架桥机和运梁车的长度以及宽度。
S3:提升机6提升两套运架设备上桥;
S31:运梁车9驮运架桥机10至提升站2,利用运梁车9的斜行功能来调整运梁车9的中心线,使得运梁车9的中心线和与线路中心线大致重合,如图7所示;
S32:提升机6分别提升架桥机10和运梁车9上桥,并安放在所述步骤S2的已架设箱梁8上,如图8-图9所示;接着,运梁车9驮运架桥机10至前方作业,如图10所示。在本步骤中,所述提升机6提升两套运架设备至两个方向的已架设箱梁8上。
S4:提升机6提升箱梁上桥;
S41:搬运机将待架设箱梁7搬运至提梁台座3存放,如图3所示;
S42:提升机6走行至提梁台座3正上方,并提升所述待架设箱梁7至装车高度;
S43:纵移提升机6至运梁车正上方,并将待架设箱梁7安放在不同方向的两个运梁车9上,如图11所示;
S5:运梁车9配合架桥机10完成箱梁架设
架桥机10纵移至待架桥跨位置,运梁车9将待架设箱梁7运至架桥机10处,运梁车9配合架桥机10完成箱梁架设,如图13所示,在本步骤中,每个方向的运梁车9均配合架桥机10完成箱梁架设,完成了桥梁两个方向的箱梁架设;
S6:重复步骤S4至步骤S5,架设下一榀待架设箱梁,直至完成两个方向全部箱梁的架设;
S7:提升机吊装两套运架设备下桥
S71:运梁车驮运架桥机至提升站附近的箱梁上;
S72:提升机分别吊装架桥机和运梁车下桥;
S8:将剩余的待架设箱梁(预留桥墩范围内的待架设箱梁)全都通过提升机提升上桥,并存放在已架设箱梁上;
S9:施工所述预留桥墩;
S10:提升机直接架设剩余的待架设箱梁(预留桥墩范围内的待架设箱梁)至待架桥跨位置,从而完成了整桥大吨位箱梁的架设施工。
以上实施例仅用以说明本发明而并非限制本发明所描述的技术方案,尽管本说明书参照上述的各个实施例对本发明已进行了详细的说明,但本发明不局限于上述具体实施方式,因此任何对本发明进行修改或等同替换;而一切不脱 离发明的精神和范围的技术方案及其改进,其均应涵盖在本发明的权利要求范围当中。

Claims (8)

  1. 一种大吨位箱梁正位提梁上桥施工方法,其特征在于,包括以下步骤:
    S1:施工提升站;
    在桥梁线路上预留若干个桥墩暂不施工,并在预留桥墩处施工提升站,在所述提升站内设置若干个提梁台座,并沿桥墩纵向中心线在桥墩两侧施工提升机走行轨道及安装提升机;
    S2:提升机直接架设箱梁;
    S21:将待架设箱梁搬运至提梁台座存放;
    S22:提升机走行至提梁台座正上方,并提升所述待架设箱梁至桥面高度;
    S23:纵移提升机至待架桥跨位置,并架设所述待架设箱梁。
  2. 根据权利要求1所述的一种大吨位箱梁正位提梁上桥施工方法,其特征在于,所述步骤S1中,所述提升站的跨度中心线与桥墩中心线重合,所述提梁台座设置在提升站中间。
  3. 根据权利要求1所述的一种大吨位箱梁正位提梁上桥施工方法,其特征在于,所述步骤S1中,所述提升机走行轨道的覆盖范围至少包括所述提升站的前后三孔桥。
  4. 根据权利要求1所述的一种大吨位箱梁正位提梁上桥施工方法,其特征在于,所述步骤S1中,所述预留桥墩的数量取决于运架设备的外形尺寸。
  5. 根据权利要求1-4任一所述的一种大吨位箱梁正位提梁上桥施工方法,其特征在于,所述步骤S23之后还包括:
    步骤S24:重复所述步骤S21至S23,架设下一榀待架设箱梁,直至提梁机直接架设的箱梁总尺寸大于运架设备的外形尺寸;
    所述步骤S24之后还包括:
    S3:提升机提升运架设备上桥;
    S31:运梁车驮运架桥机至提升站;
    S32:提升机分别提升架桥机和运梁车上桥,并安放在所述步骤S2架设的箱梁上;
    S4:提升机提升箱梁上桥;
    S41:搬运机将待架设箱梁搬运至提梁台座存放;
    S42:提升机走行至提梁台座正上方,并提升所述待架设箱梁至装车高度;
    S43:纵移提升机至运梁车正上方,并将待架设箱梁安放在所述运梁车上。
  6. 根据权利要求5所述的一种大吨位箱梁正位提梁上桥施工方法,其特征在于,所述步骤S3中,利用运梁车的斜行功能来调整运梁车的中心线,使得运梁车的中心线和与线路中心线大致重合。
  7. 一种大吨位箱梁的架设方法,其特征在于,包括以下步骤:
    S1:施工提升站;
    在桥梁线路上预留若干个桥墩暂不施工,并在预留桥墩处施工提升站,在所述提升站内设置若干个提梁台座,并沿桥墩纵向中心线在桥墩两侧施工提升机走行轨道及安装提升机;
    S2:提升机直接架设箱梁;
    S21:将待架设箱梁搬运至提梁台座存放;
    S22:提升机走行至提梁台座正上方,并提升所述待架设箱梁至桥面高度;
    S23:纵移提升机至待架桥跨位置,并架设所述待架设箱梁;
    S24:重复所述步骤S21至S23,架设下一榀待架设箱梁,直至提升机直接架设的箱梁总尺寸大于运架设备的外形尺寸;
    S3:提升机提升运架设备上桥;
    S31:运梁车驮运架桥机至提升站;
    S32:提升机分别提升架桥机和运梁车上桥,并安放在所述步骤S2架设的箱梁上;
    S4:提升机提升箱梁上桥;
    S41:搬运机将待架设箱梁搬运至提梁台座存放;
    S42:提升机走行至提梁台座正上方,并提升所述待架设箱梁至装车高度;
    S43:纵移提升机至运梁车正上方,并将待架设箱梁安放在所述运梁车上;
    S5:运梁车配合架桥机完成箱梁架设;
    架桥机纵移至待架桥跨位置,运梁车将待架设箱梁运至架桥机处,运梁车配合架桥机完成箱梁架设;
    S6:重复步骤S4至步骤S5,架设下一榀待架设箱梁,直至完成同一方向全部箱梁的架设;
    S7:提升机吊装运架设备下桥;
    S71:运梁车驮运架桥机至提升站附近的箱梁上;
    S72:提升机分别吊装架桥机和运梁车下桥;
    S8:架桥机和运梁车在桥下进行调头;
    S9:重复步骤S2-S7,完成另一方向全部箱梁的架设,并吊装运架设备下桥;
    S10:将所述预留桥墩范围内的待架设箱梁全都通过提升机提升上桥,并存放在已架设箱梁上;
    S11:施工所述预留桥墩;
    S12:提升机直接架设预留桥墩范围内的待架设箱梁至待架桥跨位置,从而完成了整桥大吨位箱梁的架设施工。
  8. 根据权利要求7所述的一种大吨位箱梁的架设方法,其特征在于,
    所述步骤S2中,提升机对桥梁两个方向的箱梁均进行架设,在提升站两侧 均完成若干个箱梁的架设工作,且每个方向提升机直接架设的箱梁总尺寸均大于运架设备的外形尺寸;
    所述步骤S3中,所述提升机提升两套运架设备至两个方向的箱梁上;
    所述步骤S4中,提升机提升的箱梁分别放置至不同方向的两个运梁车上;
    所述步骤S5中,每个方向的运梁车均配合相应的架桥机完成箱梁架设;
    所述步骤S6中,重复步骤S4至步骤S5,架设下一榀待架设箱梁,直至完成两个方向全部箱梁的架设;
    所述步骤S7中,将两套运架设备均吊装下桥,省略所述步骤S8和步骤S9。
PCT/CN2020/090405 2019-05-23 2020-05-15 一种大吨位箱梁正位提梁上桥施工方法及其架设方法 WO2020233501A1 (zh)

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