【正文】
flow slow, language is expensive. People spent two years of time to learn to speak, but to spend a few years time to shut up. That is a kind of ability, that is a kind of wisdom. 16, life is not perfect, sometimes, growth is not a cry, not an eyeful of tears, there is no trace of emotion, there is no gleam of hope, no desire, no action, no static, there is only one kind of downward sinking feeling, sink A murky? 6? 7? 6? 7 sink? 6? 7? 6? 7 toward the bottom of the sink. 17, in some way, do not go, you will not know the other side scenery is beautiful. To you is not good, you do not mind too much, no one has an obligation to you。t envy him A sum of, don39。am, like a movie, learn to appreciate, learn to be grateful, learn tolerance, and goodness, helping others. Instead of accusing the society, as into one。t envy who. Like a person is a kind of feeling, not like a person is true. The truth is easy to explain, I feel Is unspeakable. The best travel life is that you in a strange place found a long lost touched. 11, happy life not in the bustling in, and in the peace of mind。s mouth, because words will reduce its 24 importance。 you pain, no one can understand. Then you only tears to smile. 8, each people have youth, Each youth are a story, the life of the world never gets easier, I want what, wish the world all know, as has been the same。 loss of sink, Eritrea pany. When you are in adversity, may wish to change a point of view to think everything over to the good Think, because good mentality decided the fate of the! 7, people are tired, rest。 and when we are in a negative state of mind, you will find many depressed things。m afraid he turned to it as a joke to tell don39。t be narrowminded. Poke to care, is a kind of 23 openminded, a free and easy. 5, I am not afraid of others behind me a knife, I afraid to look back and see stab me, is my intention to treat people。t get into a blind alley, don39。 not unrewarding perfunctorily, but calm attitude of life of unrestrained selfconfidence. Plain living, there is no noise noisy, no earthly troubles, more did not fill in the discontent of desire, some just a calm, a calm. 3, memory of heart will not good things to erase the, life is a When no movie, pain is a beginning, the struggle is a kind of process, death is a kind of ending. Give up this giving up is the helpless, do not give up the abandoned, do not give up this giving up is ignorance, do not give up should not give up is persistent. 4, a thing figured is heaven, think impassability is hell. Since the living, to live better. Sometimes we because of too narrowminded, too care around the chores and penny wise and pound foolish, not worth the candle. Some things to attract trouble and worry, pletely depends on how we look at and deal with it. Don39。 not to have conquered, but to have fought well. 2, the plain is the background of life. Live a plain life, give up on themselves is not a coward, but the wise answers。 to implement , do not want to, dare not, not with disciplinary ruler to supervision。 ○ 1 被吊物體的重量不明確不吊 ; ○ 2 起重指揮信 號(hào)不清楚不吊 ; ○ 3 鋼絲繩等捆綁不牢固不吊 ; ○ 4 被吊物體重心和鉤子垂線不在 — 起,斜拉斜拖不吊 ; ○ 5 被吊物體被埋入地下或凍結(jié)一起的不吊 ; ○ 6 施工現(xiàn)場(chǎng)照明不足不吊 ; ○ 7 五 級(jí)以上大風(fēng)時(shí),室外起重工作不吊 ; ○ 8 被吊設(shè)備上站人,或下面有人不吊 ; ○ 9 易燃易爆危險(xiǎn)物件沒(méi)有安全作業(yè)票不吊 ; ○10被吊物體重量超越機(jī)械規(guī)定負(fù)荷不吊。 拆除注意事項(xiàng) ○ 1 拆除過(guò)程中,保護(hù)機(jī)械器具不損壞橋體 ○ 2 對(duì)拆除設(shè)備進(jìn)行檢查,統(tǒng)計(jì),裝箱 ○ 3 拆除過(guò)程中,設(shè)置提示標(biāo)識(shí),防止意外發(fā)生 18 十二 、安裝、拆除注意事項(xiàng) ○ 1 要做到吊裝前的安全技術(shù)交底,施工人員必須做到四個(gè)明確,即:工 程任務(wù)明確,施工方法明確,吊裝物體的重量明確和安全注意事項(xiàng)明確; ○ 2 吊裝工 作中,必須堅(jiān)守工作崗位,做到思想集中,聽(tīng)從分配,嚴(yán)禁吵鬧和閑談; ○ 3 需要進(jìn)入 運(yùn)行區(qū)域工作時(shí),必須取得有關(guān)人員和部門的同意,辦理必要的作業(yè)票; ○ 4 進(jìn)入運(yùn)行區(qū)域工作時(shí),應(yīng)遵守運(yùn)行制度,不能碰摸按鈕和各種控制設(shè)備; ○ 5 禁止在運(yùn)行的管道、設(shè)備以及不 堅(jiān)固的建筑物上捆綁滑子,鏈條葫蘆和卷?yè)P(yáng)機(jī)等作為起吊重物的承力點(diǎn); ○ 6 各種重物放置要穩(wěn)妥,以防傾倒和滾動(dòng); ○ 7 遵守安全規(guī)程,進(jìn)入施工現(xiàn)場(chǎng)要戴安全帽,工作前不得飲酒; ○ 1 參加 高空作業(yè)的人員須經(jīng)醫(yī)生檢查,合格者才能進(jìn)行高空作業(yè); ○ 2 凡在離地面 2m 以上的地方進(jìn)行工作,均應(yīng) 視為高空作業(yè),應(yīng)遵守高空作業(yè)有關(guān)規(guī)定,要戴好安全帶方能進(jìn)行工作; ○ 3 安全帶在 使用前,要進(jìn)行認(rèn)真地檢查,并且定期進(jìn)行負(fù)荷試驗(yàn),合格者方能使用; ○ 4 上高空作業(yè),必須穿軟底鞋,嚴(yán)禁穿拖鞋、硬 底鞋及塑料鞋等; ○ 5 安全帶應(yīng)掛在結(jié)實(shí)牢固的構(gòu)件上,受力點(diǎn)在人身重心上部; 19 ○ 6 進(jìn)行高空 作業(yè)前,應(yīng)預(yù)先搭高腳手架,或采取隔離措施,防止墜落; ○ 7 在高空搭設(shè)的腳手架上的跳板,一定要兩頭綁牢,防止翹頭; ○ 8 高空作業(yè)所帶工具、材料應(yīng)放在工具袋內(nèi),并拴好安全繩 ,較大的工具應(yīng)將安全繩拴在牢固的構(gòu)件上,不應(yīng)隨便亂放,以防墜落; ○ 9 高空作業(yè)人員不準(zhǔn)隨意往上、下扔拋工具 和物件; ○10在進(jìn)行高空作業(yè)時(shí),除有關(guān)人員外,其它人員不許在 工作地點(diǎn)的下面逗留和通過(guò),工作地點(diǎn)下面應(yīng)設(shè)攔繩等,以防落物傷人; ○11禁止登在不牢固的結(jié)構(gòu)上進(jìn)行高空作業(yè),為了防止誤登,應(yīng)在這種結(jié)構(gòu)的必要地點(diǎn)掛上警告牌。 架橋機(jī)拆卸時(shí)需用吊車配合,懷豐路右幅臨時(shí)封閉,吊車站在右 幅上進(jìn)行架橋機(jī)零部件的吊裝作業(yè)。 各支點(diǎn)嚴(yán)格按照橋機(jī)安裝要求固定。 十、架橋機(jī)倒退行走操作要求 架橋機(jī) 在完成預(yù)制梁架設(shè)需倒退行走時(shí),按以下要求操作: 將橋機(jī)后端變?yōu)榍岸?,調(diào)整 中支裝置 及橫移軌道與 后托輪 的前后位置,并按照要求安裝固定。邊梁架設(shè)需預(yù)先將前、中支裝置的外側(cè)橫移輪的橫移位置標(biāo)好,并設(shè)止擋并確保橫移軌道最外側(cè)支撐牢固可靠;然后整機(jī)橫移到位后,再橫移吊梁小車使邊梁一次到位,放穩(wěn) 預(yù)制梁 并支撐好或橫向連接好。然后橋機(jī)架設(shè)下一片梁,如此反復(fù)。 中梁架設(shè) 用前提升小車將預(yù)制梁的前端提起,后運(yùn)梁平車同前提升小車同步將預(yù)制梁前移,至預(yù)制梁后端到后提升小車提梁位時(shí),用后提升小車將預(yù)制梁后端提起,兩提升小車同步吊梁前行至待架梁跨上方后停止前行,兩提升小車卷?yè)P(yáng)同時(shí)同步下落(此時(shí)注意預(yù)制梁下落是否平穩(wěn),否則應(yīng)停止下落,啟動(dòng)單臺(tái)或單側(cè)卷?yè)P(yáng)使預(yù)制梁調(diào)水平后再下落),待預(yù)制梁距墩臺(tái)頂面約 150mm 時(shí)停止落梁,啟動(dòng)前支腿和中支裝置的橫移電機(jī),整機(jī)帶動(dòng) 預(yù)制 梁 同步橫移,把預(yù)制梁放到合適的位置上。 九 、架梁 本橋機(jī) 適宜于架設(shè) 40m 以下梁 ,橋機(jī)整體拼裝調(diào)試完畢后須用預(yù)制梁配重才能過(guò)孔。 特別說(shuō)明 :上述過(guò)孔程序?yàn)橹睒蚱叫羞^(guò)孔的操作步驟,若遇坡橋(上 16 下坡)或彎橋,后托輪、中支裝置要根據(jù)實(shí)際工況調(diào)整間距、高度和水平度。解除下層輪箱與中支橫移軌道之間的固定裝置,使其具備橫移架梁。 第八 步 后支腿安裝調(diào)整 啟動(dòng)后支腿液壓系統(tǒng),放下后支腿墊實(shí)墊牢固后 支撐起縱導(dǎo)梁。放下前支橫移軌道,并用硬雜木每間隔 1m 墊實(shí)牢靠。同時(shí)啟動(dòng)前提升小車同步后移,其位置保持在中支裝置的上方。啟動(dòng)液壓系統(tǒng),收起前支腿(將前支橫移軌道臨時(shí)固結(jié)在前支腿上)和后支腿千斤頂,使縱導(dǎo)梁完全落在中支裝置和后托輪之上, 確認(rèn)橋機(jī)保持水平和穩(wěn)定,至此過(guò)孔準(zhǔn)備工作全部完成。在上述 15 各項(xiàng)得以確認(rèn)后,才能進(jìn)入下一步驟操作。 第 四 步 過(guò)孔 配重和過(guò)孔前各項(xiàng)準(zhǔn)備 確認(rèn) 安裝好后托輪和中支裝置,后提升小車移至縱導(dǎo)梁 尾部 吊預(yù)制梁配重(配重預(yù)制梁要用運(yùn)梁平車配合),即后提升小車與預(yù)制梁前端捆綁在一起,啟動(dòng)卷?yè)P(yáng)機(jī)構(gòu)使捆梁鋼絲繩繃緊為止。前提升小車停留在中支裝置上方位置不動(dòng)。在此狀態(tài)下,橋機(jī)的前支腿、后托輪和后支腿 6 個(gè)支點(diǎn)同時(shí)平穩(wěn)受力,在調(diào)整好橋機(jī)水平度和確保橋機(jī)的穩(wěn)定性后,方可移動(dòng)中支裝置。后托輪距橋 機(jī)尾部約 18m 位置,中支裝置距前支腿約 43m 位置(即 14 前蓋梁 2m 位置),前提升小車停留在中支裝置上方位置,后提升小車停留在橋機(jī)最尾部,確認(rèn)橋機(jī)符合過(guò)孔條件。卸載后各機(jī)構(gòu)和縱導(dǎo)梁無(wú)損傷和塑性變形。注意卷筒的排繩不得有紊亂現(xiàn)象,起升制動(dòng)必須可靠,不得有下滑現(xiàn)象。 ( 3)把兩臺(tái)提升小車開(kāi)至跨中,整機(jī)在前后 5m 范圍內(nèi)行走數(shù)次,啟 動(dòng),制動(dòng)車輪不打滑,運(yùn)行平穩(wěn)。啟動(dòng)、制動(dòng)正??煽?。運(yùn)行機(jī)構(gòu)電動(dòng)機(jī)必須轉(zhuǎn)向相同,調(diào)整卷?yè)P(yáng)機(jī)制動(dòng)瓦塊與制動(dòng)間隙,檢查各減速機(jī)內(nèi)油量是否充足,各個(gè)油嘴、油杯、油管、油路是否暢通,待一切經(jīng)檢查確認(rèn)正常后方可試車運(yùn)轉(zhuǎn)。 后托輪和后支腿底座襯墊與地面接觸部分,需用 43kg 以上軌道與墊木相間做基礎(chǔ),軌道長(zhǎng)度不得小于墊木長(zhǎng)度,寬度不得小于 1m。松軟地基未做加固處理不得做為橋機(jī)安裝或橋機(jī)前移、橋機(jī)后移的支點(diǎn)基礎(chǔ)。 (四)安裝要求和說(shuō)明 鑒于架橋機(jī)的自重,拼裝場(chǎng)地要平整,地基要夯實(shí)。 (3)穿完鋼絲繩后吊鉤自然下垂