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常用架橋機(jī)安裝、拆除施工方案-wenkub.com

2024-10-30 10:33 本頁面
   

【正文】 s two laws, doing practical play highway. 2020 October 18, the Central Committee of the Communist Party of China promulgated the implementation of the the probity of the Communist Party of China selfdiscipline criterion and Chinese Communist Party discipline and punishment regulations. We Heyuan male passersby to respond positively to the call of the Central Committee of the party, earnestly anize the study party two regulations, truly grasp the essence and gist, and in their respective positions, to hold the bottom line of the discipline, build a strong ideological line of defense, with the courage to play, the courage to fight tough and fearless spirit, at the crucial moment well to plete the task, with practical action to test the study and implement effect Because of discipline in the * * * * * * * * * * * story. Here, let me to cast a brick to attract jade, speak about our highway. Highway line section of the road surface transformation project, last year towards the country 29 seized will be seized one of the items. To plete this arduous task, as a project management office director Comrade, keep in mind from the Communist Party membership, recognize and identify the bottom line, strict management, and strict adherence to the quality of the project. He not only set an example, honesty and selfdiscipline, but also requires the management of all the members of the ., do not eat the construction unit one meal, do not accept the construction unit a ceremony. In this way, they didn39。 difficult to myself to move away the heart of stone head. Leave time to spend with her, often reflect my heart, so as to remove your heart of stone. 24, everything does not have to be demanding, e to, everything does not have to care about, over the past。 but the most important is good to cherish their own. 21, life, select the plex, is to choose the pain。 to be alive, you will have trouble. Life is the most afraid of what all want to care about, but also what all grasp is not firm, without scenery, separated populations, such as not to desire, all docked in the fate of the end. Why is too rigid, the natural, to go stay not to live, let go of obsession, revel is 20, if the fate of the broken Hopes of sailing, please don39。t lose your life and the life, respectively is: the former is a we experienced cannot escape in a day finally will last minute, while the latter is our persistent, we want to cherish the memory of those people and things. 14, learn to smile, learn to strong, the world you know so many people, so many people and you are, you cannot change also can39。 no matter how many grievances, how unfortable, and ultimately to heal themselves or their own, others may got you to fort, but never know your heart is how wanjianchuanxin. 12, ma39。 now want anything, for fear that others know, or like to lose the same. 9, the heart move, everything in the world is followed by birth, Rangrang, important thing is often the most difficult to open one39。 life happy and worry, all is you of life attitude, optimistic, good luck。 I am not afraid of the truth to tell the best friend, I39。t always take everything back to things, and don39。 to discipline a ruler, often the control inspection, and consciously in the ideological red line to draw the row Ming Good accumulation is indeed the bottom line, so that the heart has fear, said to have quit, the line has ended. Attached: indifferent to heart, calmly to the table in our life, there are many unpredictable things will happen, some good, some bad things, we cannot control is powerless to stop, but with time, you will find in life sometimes turns out to be not good, some bad things finally turned out to be a good thing, but then we muddy however did not know, this is the life teach us things. 1, life can be plex, can also be simple. Want simple life of precipitation, to have enough time to reflect, to make Bee 22 more perfect. Life is the most important thing is not to win, but the struggle。 起重安全注意事項(xiàng)較多,但在現(xiàn)在起重作業(yè)中,經(jīng)常遇到的情況歸結(jié)為“十不吊”,各司機(jī)應(yīng)牢記,不可忽視。 十一 、架橋機(jī)拆 卸施工 在確定鐵路跨 7 片梁吊裝完畢,固定牢固后,將架橋機(jī)后退到 3標(biāo)0~3軸 橋面 上, 保持先裝的后拆,后裝的先拆的原則,進(jìn)行架橋機(jī)的拆除工作。注意:邊梁架設(shè)整機(jī)橫移 17 時(shí)必須保證前、中支裝置的橫移臺車壓在一根整軌道上(不允許跨越軌道接縫,必要時(shí)可將軌道接縫焊死以確保安全)。梁放穩(wěn)后應(yīng)橫向支撐或連接牢固。調(diào)整過程要按橋機(jī)過孔相關(guān)步驟操作。 第 九 步 把中支裝置雙層輪箱的上層輪箱用 U 型螺栓與縱導(dǎo)梁下弦臨時(shí)固結(jié)。 第七 步 前支腿安裝與調(diào)整 前支腿前移到前方橋墩的上方前部(橫移軌道中心線距蓋梁中心線約500mm)。 第 五 步 完成橋機(jī)過孔準(zhǔn)備 在后托輪和中支裝置之間選擇 2 個(gè)連接點(diǎn),用手拉葫蘆將兩列縱導(dǎo)梁拉緊。在襯墊和調(diào)整好中支橫移軌道后,將中支裝置按過孔方向安裝在橫移軌道上部,中支裝置上層輪箱車輪與縱導(dǎo)梁下弦軌道連接吻合,輪箱與軌道保持水平,兩托輪箱中心距為 5m。 第二步 中支裝置移動前的準(zhǔn)備 拆除中支裝置與縱導(dǎo)梁下弦連接的 U 型螺栓,平衡啟動前支腿、后支腿和副中支裝置液壓裝置,調(diào)整好后托輪的高度,并穿軸銷牢。 3. 動載實(shí)驗(yàn) 以 倍額定負(fù)荷使起升機(jī)構(gòu)和提升小車在 5m 范圍內(nèi)反復(fù)運(yùn)轉(zhuǎn),啟動,各制動機(jī)構(gòu)的制動器、電器控制靈敏、準(zhǔn)確、可靠、縱導(dǎo)梁震動正常,機(jī)構(gòu)運(yùn)轉(zhuǎn)平穩(wěn)。 ( 2) 開動起升機(jī)構(gòu),空鉤升降數(shù)次,開關(guān)動作靈敏準(zhǔn)確。 七 、試車 在架橋機(jī)試車前,必須檢查電動機(jī)的轉(zhuǎn)向是否符合要求。特別是前支腿、中支裝置、后托輪、后支腿等橋機(jī)支點(diǎn)部位的地基要堅(jiān)實(shí)牢靠。 (2)鋼絲繩端頭固定使用楔扣固定,如使用繩扣固定,鋼絲繩扣應(yīng)使用3件以上, 且正確安裝方式為:卡主繩勒副繩,間距 200mm 以上。 電器設(shè)備的安裝 電器設(shè)備參考電器原理圖,接線圖進(jìn)行安裝。 ( 4)安裝見下圖五。 10 ( 4) 分段拼裝必須用吊車相輔助。達(dá)到橋機(jī)過孔狀態(tài)時(shí),中支裝置及橫移軌道距橋頭或前蓋梁 2m 位置(安裝固定見安裝要求)。 無論是平橋、坡橋還是曲線橋,前、中橫移軌道的支墊必須滿足使縱導(dǎo)梁前后基本水平或前支腿處略高于中支裝置處(控制在 100mm以內(nèi))。中 支 橫移軌道支墊要按預(yù)制梁腹肋間距支墊(即墊在 T 梁或箱梁的腹肋處),前支軌道支墊間距控制在 1m 以內(nèi)。 六 、安裝 (一) 運(yùn)梁軌道安裝 軌道應(yīng)設(shè)置在堅(jiān)實(shí)的地基上,鋼軌接頭高差控制在 2mm 之內(nèi),枕木間距控制在 600mm 以內(nèi)。它是橋機(jī)移動中支裝置和過孔時(shí)的后部支撐,通過調(diào)整支撐架下的墊木調(diào)整后托輪高度。前支腿與橋機(jī)的中支裝置的下層輪箱共同實(shí)現(xiàn)整機(jī)橫移,可滿足整幅橋梁的架設(shè)。銷軸在縱導(dǎo)梁的中心軸線上,很方便滿足任意角度梁的架設(shè)。它由箱體、電機(jī)、擺線針輪減速機(jī)、齒輪組與車輪、輪箱支 座、支座馬鞍、支座銷軸、轉(zhuǎn)盤和轉(zhuǎn)盤銷軸等組成。它的功能是提升運(yùn)送預(yù)制梁 ,并一次性架設(shè)邊梁,輪箱上電機(jī)通過擺線針輪減速機(jī)、齒輪組將動力傳給車輪,實(shí)現(xiàn)提升小車在縱導(dǎo)梁上運(yùn)行。為了方便拼裝 ,每列縱導(dǎo)梁由 7 節(jié) 10m 標(biāo)準(zhǔn)節(jié)組成,每節(jié)由銷板、銷軸連接成整體。 本產(chǎn)品適用于溫度- 20~40℃,無火災(zāi)、無爆炸、無危險(xiǎn)和無腐蝕性介質(zhì)的環(huán)境中 工 作。 三、架橋機(jī)簡介 NF14040 A3 型三角桁架雙導(dǎo)梁架橋機(jī)主要用于各種橋型(直橋、斜橋、曲線橋)的簡支梁架設(shè),能滿足橋線制梁、梁廠制梁等工況,可攜邊梁一次橫移到位,實(shí)現(xiàn)全幅機(jī)械化移、落梁。 高速公路 位置關(guān)系 乾母洞中橋 橋梁 屬于路線正交橋,位于本高速公路直線段位置 , 里程樁號位于 K17+,橋梁共 3 跨每跨 25m。 分離式跨線橋 橋梁型式為 3*20m 預(yù)應(yīng)力混凝土 箱梁梁。 《施工現(xiàn)場臨時(shí)用電安全技術(shù)規(guī)范》 JGTJ4688 《 公路工程施工安全技術(shù)規(guī)程 》 JTJ07695 《架橋機(jī)使用說明書》 《架橋
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