1、布料机安装转场及拆卸施工方案 自顶升中国核工业华兴建设有限公司CHINA NUCLEAR INDUSTRY HUAXING CONSTRUCTION CO., LTD.项目名称PROJECT文件编码CODE文件类别DOC. TYPE方案Method Statement文件名称DOC. TITLE布料机安装方案 Method Statement For Placer Boom InstallationA版 次Revision日 期Date编 制Prepared审 核Reviewed批 准Approved总 包Contractor业主/监理Owner/ Supervision修改说明Descrip
2、tion提交供审核For ApprovalContents目录1 Compilation Basis 编制依据1.1 Construction Specification 施工规范Tower crane safety regulations GB5144-2006塔式起重机安全规程GB5144-2006Building construction site for electrical safety norms GB 50194-2014建设工程施工现场供用电安全规范GB 50194-2014Construction machinery safe operation JGJ33-2012建筑机械
3、使用安全操作规程JGJ33-2012Construction site temporary electrical safety technical specifications JGJ46-2005施工现场临时用电安全技术规范JGJ46-2005Construction safety inspection standards JGJ59-2011建筑施工安全检查标准JGJ59-2011Aerial work machinery safety rules JG5099-1998高空作业机械安全规则JG5099-1998Construction work at heights safety tec
4、hnical specifications JGJ80-91建筑施工高处作业安全技术规范JGJ80-91Site construction safety management specification DGJ08-903-2010现场施工安全生产管理规范DGJ08-903-2010Technical Specification for safety installation operation and dismantlement of tower crane in construction JGJ196-2010塔式起重机安装拆除使用安全技术规程JGJ196-20101.2 Site Rel
5、evant Document 现场相关文件编写本方案需要参考的现场相关技术文件,如项目规范、安全章程、布料机安装说明书等2 Project Profile工程概况xx LNG Project Tank EPC is located xx, which includes x x m3 LNG storage tanks, consisting of inner tank and outer tank , roof, internal ceiling, inner base slab and outer base slab etc. Inner tank: diameter x m, height
6、 x m; outer tank, inner diameter x m, height x m; prestressed concrete structure with inner lining. xx LNG项目储罐EPC工程位于xx。项目包括x座储存容积为x立方米的LNG全容型储罐。储罐包括内罐、外罐组成。内罐:直径x m,高x m;外罐:内径x m,高x m,为预应力钢筋混凝土结构,外罐内壁衬结构钢。During construction, concrete pouring is carried out by pumps and placer booms. These placing
7、boom will be disassembled after completing roof concrete pouring. X HGT41 tower placing booms produced by SANY shall be laid out in each tank(x towers, x sets of booms altogether),and they will be dismantled after the concrete pouring work of tank roof. The layout position see in plan and elevation
8、of attachments. 施工期间,混凝土浇筑主要是用混凝土泵泵送,布料机布料,罐体穹顶混凝土浇筑完成后将拆除布料机。每个罐将布置x台由三一生产的HGT41布料机(共计x座塔架,x套布料机),具体布置位置见附件平面图和立面图。This method statement is used for guiding the installation and demolition of tower placing boom of xx. 本方案将指导xx储罐布料机安装及拆除施工。The tower placing boom will rise with the wall lifting and a
9、dopt jacking and crane lifting during the rising. 现场布料机将随着墙体的增高而上升,过程中布料机上升采用顶升和塔吊吊运方式完成。3 Construction Preparation 施工准备3.1 Technical Preparation 技术准备This chapter includes technical parameters, function description of placing boom key components and accessories and the latest product information mar
10、ked on the placing boom nameplate.本章包括技术参数、布料机各主要部件和配件的功能说明以及布料机铭牌上标有的最新产品信息等。3.1.1 Technical Parameters 技术参数Table 1 Technical Parameter 表1 布料机技术参数Type型号HGT41Performance性能Max. placing radius最大布料半径m41Rotation of boom臂架回转角度365Operating ambient temperature工作环境温度-1045Climbing mode爬升式Tower height塔身高度4242
11、Installation mode安装型式Fixed tower type固定支腿基础Fixed tower type固定支腿基础Climbing mode爬升型式Cylinder self-climbing type油缸自升式Cylinder self-climbing type油缸自升式Climbing speed爬升速度0.50.5Climbing scope爬升范围28002800Total mass整机重量Climbing mode爬升式45(excluding counterweight不含配重)45(excluding counterweight不含配重)Motor model电
12、机型号Y225S-4-H,B35,IP54Power功率Kw37Motor电气Rotary speed转速r/min1480System pressure系统压力MPa32Hydraulic液压Flow流量l/min54Oil tank capacity油箱容积L600Control mode控制方式Pipeline cleaning mode输送管清洗方式Boom臂架Boom type形式5 sections of RZ type五节RZ型Diameter of delivery pipe输送管径mmDN125End hose length未端软管长度m3The 1st section第一节
13、臂Length长度86558655Articulation转角9292The 2nd section第二节臂Length长度70607060Articulation转角180180The 3rd section第三节臂Length长度68906890Articulation转角180180The 4th section第四节臂Length长度81208120Articulation转角180180The 5th section第五节臂Length长度95809580Articulation转角2452453.1.2 Other Preparation 其他准备布料机零部件进场需检查各零部件是否
14、合格,型号是否对应。Formulate block construction plan of placing boom foundation, begin the construction after examination and approval of main contractor, supervision and the owner.编制布料机安装转场及拆卸方案,经总包、监理和业主审批后进行布料机施工。Each subcontracting team and professional subcontracting team should accept safety technical
15、disclosure in detail before construction.施工前,需对各班组进行详细的安全技术交底。基础施工前仔细阅读布料机产品说明书。布料机安装前必须保证基础混凝土达到100%强度。安装布料机之前按照附件要求制作混凝土配重块。3.1.3 Function Description 功能说明The placing boom is installed on the concrete ground outside the buildings. Hoist the placing boom by increasing mast sections (similar to the
16、method of tower crane) when the building is heightened. 布料机安装在建筑物外的混凝土地基上,当建筑物加高时,通过增加标准节的方式使布料机升高(类似塔机)。Concrete placing boom is comprised of boom forepart and pipe, counterweight support and counterweight, boom end part.混凝土布料机由臂架前段及配管、配重支架及配重、臂架后段、回转机构、固定转塔、套架、标准节、基础节、输送配管、液压系统和电控系统等组成。Boom臂架The 5
17、 convolution full hydraulic boom type is adopted and the 1st section can be disassembled. The sections are kind of box type, which are unfolded and folded by controlling the boom oil cylinder contraction, and the convolution is drived by hydraulic operation. 臂架采用五节卷折式,第一节臂可拆分。各节臂均为箱形结构,通过控制臂架油缸的收缩而控
18、制臂架的展开和折叠,旋转采用全液压驱动。Rotary Structure回转机构Adopting method of rotary bearing joint which is fully hydraulic drived. And low speed and heavy torque hydraulic motor drive rotary speed reducer can realize 365 turn and make the turn smoothly and accurately.采用回转轴承联接方式,回转采用全液压驱动,低速大扭矩液压马达驱动回转减速机,可作365回转,回转动作
19、平稳、准确。Rotary Platform 转台The rotary platform is welded by adopting high strength steel plate, which is used for installing rotary structure, boom, counterweight support etc. and has a strong ability of anti-rollover.采用高强度钢板焊接而成,用于安装回转机构、臂架、配重支架等,具有较强的抗倾翻能力。Fixed Rotary Tower 固定转塔The fixed rotary towe
20、r is welded by adopting diameter of 1200 mm high strength steel plate with supporting rotary platform, rotary structure, boom etc. above and jointing wrap frame and tower body (comprised of mast sections) below.固定转塔由高强度钢板焊接而成,一般直径1200 mm,上面支撑转台、回转机构、臂架等,下面联接套架及塔身(由多个标准节联接而成)。Installation Platform an
21、d Operation Platform 安装平台及工作平台The installation platform is located on the wrap frame with installing hydraulic oil tank, motor, electrical cabinet, oil tank etc. and is used for installing mast sections during climbing. The operation platform is installed on the mast sections with the key function o
22、f operation. The platforms is welded by channel steel, angle iron, steel plate and steel plate mesh and comprised of handrail, load-bearing platform, walking board, platform door and supports etc., and the handrail around the platform is adopted to ensure the safety of operator and maintenance perso
23、nnel.安装平台安装在套架上,其上安装液压油箱、电机、电控柜、油缸等,并在爬升时用于安装标准节。工作平台安装在标准节上,主要用于工作。平台为焊接结构,由槽钢、角钢、钢板及钢板网焊接而成,含扶手、承重台、走台、平台门、支撑等组件,平台四周的扶手确保操作与维修人员的安全。Mast Section 标准节The mast sections is jointed with bolts with section of 20002000 mm and height of 2800 mm. 截面20002000 mm,高2800 mm,各节之间用螺栓联接。Hydraulic Control System
24、液压控制系统The hydraulic system is comprised of hydraulic pump, multi-way valve, oil tank, high-pressure filter, rubber tube, electrical motor, boom operation panel and oil cylinder etc. And the key functions are to control the boom to be unfolded and folded by controlling the boom oil cylinder contracti
25、on, and to control the boom articulation by driving rotary support with hydraulic motor to realize rotary. 由液压泵、多路阀、油箱、高压滤油器、胶管、电机、臂架操纵箱、油缸等组成。主要功能是通过控制臂架油缸的收缩而控制臂架的展开和折叠,通过控制液压马达带动回转支撑回转而控制臂架的转动角度。All the boom activities are hydraulically drived. And all the boom oil cylinders are installed with sa
26、fety valve to prevent overload or hydraulic pipe cracking. 所有臂架运动都是由液压驱动的。所有臂架油缸上都设有安全阀,提供防止过载或液压管线破裂的保护。Placing boom has independent hydraulic oil tank, which can make multi-oil cylinders operating simultaneous come true. The placing boom can be manually operated on the platform or wirelessly remot
27、e controlled at other places.布料机具有独立的液压油箱,其液压油能满足多个油缸同时操作。可以在布料机平台上用手动操作,也可以在可看见臂架运动的其他地方用无线遥控进行操作。Electronic Control System 电控系统The electronic control system is comprised of remote control receiving and transmitting devices, electronic control cabinet, solenoid valve, wind speed sensor, PLC control
28、 system etc., mainly control the whole system through solenoid valve. There are two operation modes of close-control and remote control. The external power supply voltage is three-phase 380V+10V, 50Hz. 由遥控接收及发射装置、电气控制柜、电磁阀及风速传感器、PLC控制系统等组成,主要通过电磁阀控制整个系统的动作。操作方式有近控和遥控两种。外接电源电压:三相380V+10V,50Hz。Pipelin
29、e 输送管道The pipeline includes three parts of standard straight pipe (wear-resisting steel pipe), adaptive pipe and elbow, which can be replaced freely. The elbow locating at the boom end can be used as brake for dropping concrete and can reduce the friction with end hose. Because the hose is made of w
30、ire rope, the applicable pressure cannot be more than 85bar.输送管道包括标准直管(耐磨钢管)、适配管和弯管三部分。它们可以方便的更换。位于臂架末端的弯头充当下落混凝土的制动器(闸),并减小末端软管的摩擦。由于该软管由钢索构成,适合压力不得超过85bar。Counterweight 配重块Perform concrete pouring for three counterweights as per appendix 9, with weight of 2600100kg and concrete strength of no less than C20. 按附件九浇注三个混凝土配重块,重量控制在2600100kg,混凝土标号不低于C20。)3.2 Material Preparation 材料准备Table 2 Materials 表 2 材料表No.序号Material name材料名称Specifications规格Unit单位Quantity数量Remarks备注1Wire rope钢丝绳
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