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2024年春耕生產(chǎn)農(nóng)機(jī)具檢修安全注意事項(xiàng)
2024-03-08
08:40:40
來(lái)源:黑龍江省農(nóng)業(yè)農(nóng)村廳 閱讀量:20353
評(píng)論
導(dǎo)讀:檢查拖拉機(jī)發(fā)動(dòng)機(jī)冷卻系統(tǒng)是否有凍傷,特別是年前發(fā)動(dòng)機(jī)未放水,或者未加防凍液的車(chē),要仔細(xì)查看發(fā)動(dòng)機(jī)的機(jī)體水堵、放水開(kāi)關(guān)、機(jī)油散熱器等處是否有凍裂跡象。
【農(nóng)機(jī)網(wǎng) 熱點(diǎn)關(guān)注】 為確保2024年春耕生產(chǎn)農(nóng)機(jī)具檢修安全,提高在用農(nóng)業(yè)機(jī)械的技術(shù)性能狀態(tài),特提出以下春耕農(nóng)業(yè)生產(chǎn)主要農(nóng)機(jī)具檢修注意事項(xiàng)。
1.檢查
發(fā)動(dòng)機(jī)冷卻系統(tǒng)是否有凍傷,特別是年前發(fā)動(dòng)機(jī)未放水,或者未加防凍液的車(chē),要仔細(xì)查看發(fā)動(dòng)機(jī)的機(jī)體水堵、放水開(kāi)關(guān)、機(jī)油
散熱器等處是否有凍裂跡象。
2.檢查拖拉機(jī)啟動(dòng)、照明、儀表的電路是否正常,所有電氣附件的絕緣部分,不得有漏電、短路等現(xiàn)象。
3.在蓄電池電量不足時(shí),要先用蓄電池額定電流的十分之一充電。在鉛酸電池充電時(shí),電解液液面高度與刻線(xiàn)平齊或高出隔板10~15毫米,要打開(kāi)加液塞,以防出氣孔堵塞,蓄電池因氣壓過(guò)高而爆炸。充電完成后,單體蓄電池電壓應(yīng)在13伏左右。
4.起動(dòng)前主、副變速手柄應(yīng)處于“空”、“降”、“中間”或“分離”位置,液壓動(dòng)力裝置應(yīng)處于“中間”位置。啟動(dòng)時(shí)轉(zhuǎn)速需要先低后高,逐漸增加動(dòng)力轉(zhuǎn)速,同時(shí)觀察儀表,細(xì)聽(tīng)聲音,檢查有無(wú)漏水、漏油、漏氣現(xiàn)象,如有異常,應(yīng)先停機(jī)后檢查并排除故障。
5.發(fā)動(dòng)機(jī)起動(dòng)困難時(shí),為保護(hù)蓄電池,不得連續(xù)、頻繁起動(dòng),再次起動(dòng)必須保證足夠的時(shí)間間隔。需要使用預(yù)熱塞起動(dòng)發(fā)動(dòng)機(jī)時(shí),預(yù)熱時(shí)間應(yīng)根據(jù)氣溫情況確定。
6.逐一檢查變速箱、前橋、末端傳動(dòng)的潤(rùn)滑油;檢查方向機(jī)的鋰基潤(rùn)滑脂(蝸輪蝸桿機(jī)械式方向機(jī))或液壓油箱(液壓轉(zhuǎn)向方向機(jī))內(nèi)液壓油是否充足;檢查液壓系統(tǒng)的液壓油是否充足。
7.檢查左右轉(zhuǎn)向間的間隙,觀察拉桿球頭傳動(dòng)和油缸(液壓油缸方向)銷(xiāo)軸間隙,如間隙過(guò)大,需更換拉桿球頭和油缸銷(xiāo)軸。更換球頭和銷(xiāo)軸后,需檢查前束,四輪驅(qū)動(dòng)的前束是0~4毫米,兩輪驅(qū)動(dòng)的前束是5~10毫米。
8.檢查離合器踏板和分離軸承與分離杠桿的間隙,保證分離徹底、靈活,無(wú)卡滯,踩下踏板行程五分之四時(shí),能掛換檔位,無(wú)打齒異響。如離合器使用時(shí)間過(guò)長(zhǎng),需拆開(kāi)檢查摩擦片和分離軸承,如果超限需更換;如磨損不大,分離軸承加潤(rùn)滑脂后,再按標(biāo)準(zhǔn)組裝好。
9.檢查制動(dòng)器制動(dòng)液面和踏板行程,制動(dòng)踏板第一腳能一次踩死,連續(xù)第二腳踩不動(dòng),回位正常且無(wú)卡滯,左右制動(dòng)踏板高度應(yīng)同步。
10.拖拉機(jī)駕駛室及駕駛座不得超員乘坐,不得放置有礙操作、影響視線(xiàn)及有安全隱患的物品。
11.拖拉機(jī)加油時(shí),發(fā)動(dòng)機(jī)必須熄火,加油過(guò)程中嚴(yán)禁煙火。
12.拖拉機(jī)發(fā)生故障時(shí),應(yīng)立即停機(jī)熄火,再排除故障。
13.拖拉機(jī)作業(yè)行進(jìn)中,禁止用手、腳或工具清除農(nóng)具上的泥土和雜草。
14.嚴(yán)禁拖拉機(jī)掛車(chē)載人或人貨混載。
15.拖拉機(jī)掛接農(nóng)具或掛車(chē)時(shí),應(yīng)確保連接可靠,并加裝保險(xiǎn)鏈。
16.拖拉機(jī)在行駛、作業(yè)過(guò)程中,不準(zhǔn)用猛松離合器的方法起步或沖越障礙。
二、旋耕機(jī)
1.檢查傳動(dòng)箱齒輪油油量,低于油面線(xiàn)的要補(bǔ)加同類(lèi)型齒輪油;檢查各個(gè)齒輪之間間隙,特別是圓錐齒輪嚙合間隙,間隙過(guò)大過(guò)小都會(huì)引發(fā)故障;檢查傳動(dòng)箱輸出花鍵軸和刀軸軸套之間間隙,磨損嚴(yán)重的要成套更換。
2.更換刀片等旋轉(zhuǎn)零件時(shí),必須將拖拉機(jī)熄火。檢查刀軸兩端油封,以及刀軸、刀座和刀片,如有破損應(yīng)除舊換新。更換刀片時(shí)應(yīng)按照雙螺旋線(xiàn)方向有規(guī)律地緊固刀片固定螺栓。
3.檢查旋耕刀是否裝反和固定螺栓及萬(wàn)向節(jié)鎖銷(xiāo)是否牢靠,確認(rèn)穩(wěn)妥后方可使用。
4.拖拉機(jī)啟動(dòng)前,應(yīng)將旋耕機(jī)離合器手柄撥到分離位置。要在提升狀態(tài)下接合動(dòng)力,待旋耕機(jī)達(dá)到預(yù)定轉(zhuǎn)速后,機(jī)組方可起步,并將旋耕機(jī)緩慢降下,使旋耕刀入土。嚴(yán)禁在旋耕刀入土情況下直接起步,以防旋耕刀及相關(guān)部件損壞。嚴(yán)禁急速下降旋耕機(jī),旋耕刀入土后嚴(yán)禁倒退和轉(zhuǎn)彎。
5.作業(yè)中,如刀軸過(guò)多地纏草,應(yīng)及時(shí)停車(chē)清理,以免增加機(jī)具負(fù)荷。
6.地頭轉(zhuǎn)彎未切斷動(dòng)力時(shí),旋耕機(jī)不得提升過(guò)高,萬(wàn)向節(jié)兩端傳動(dòng)角度不得超過(guò)30度,同時(shí)應(yīng)適當(dāng)降低發(fā)動(dòng)機(jī)轉(zhuǎn)速。
7.轉(zhuǎn)移地塊或遠(yuǎn)距離行走時(shí),應(yīng)將旋耕機(jī)動(dòng)力切斷,并升到最高位置后鎖定。
8.旋耕機(jī)運(yùn)轉(zhuǎn)時(shí),人嚴(yán)禁接近旋轉(zhuǎn)部件,旋耕機(jī)后面也不得有人,以防刀片甩出傷人。
9.旋耕時(shí),拖拉機(jī)和懸掛部分不準(zhǔn)乘人,以防不慎被旋耕機(jī)傷害。
三、秸稈粉碎還田機(jī)
1.檢查擰緊各連接螺栓、螺母。
2.檢查各插銷(xiāo)、開(kāi)口銷(xiāo)有無(wú)缺損,必要時(shí)添補(bǔ)或更換。
3.加注潤(rùn)滑脂,傳動(dòng)軸伸縮套內(nèi)應(yīng)涂抹潤(rùn)滑脂。
4.檢查齒輪箱密封情況,靜結(jié)合處不應(yīng)滲油,動(dòng)結(jié)合處不滴、漏油;如滲漏油,需更換紙墊或油封。
5.檢查齒輪箱潤(rùn)滑油油面,不夠時(shí)添加。檢查齒輪箱上呼吸孔是否暢通,如有堵塞應(yīng)及時(shí)疏通。檢查放油堵螺栓是否松動(dòng),應(yīng)擰緊密封。
6.檢查刀軸甩刀(錘爪)是否缺損并及時(shí)補(bǔ)齊。刀片應(yīng)成組更換。更換刀片時(shí),應(yīng)對(duì)稱(chēng)更換徑向相鄰的兩組刀片,每組刀片重量差應(yīng)小于10克。
7.清除甩刀、刀軸、定刀片上的泥土與纏留物。
8.檢查各軸承處溫升,若溫升過(guò)快、過(guò)高,即為軸承間隙過(guò)大或缺潤(rùn)滑油所致,應(yīng)及時(shí)調(diào)整間隙或加潤(rùn)滑油潤(rùn)滑。
9.隨時(shí)檢查及調(diào)整皮帶張緊度,及時(shí)清理機(jī)殼內(nèi)壁上的粘集土層,發(fā)現(xiàn)聲音不正常、振動(dòng)時(shí),應(yīng)立即停車(chē)檢查。
10.調(diào)整留茬高度。調(diào)整限深滾,在機(jī)架左右兩側(cè)側(cè)板上預(yù)留了一排調(diào)整孔,固定位置不同,得到的留茬高度也不同,調(diào)整時(shí)兩邊應(yīng)同步調(diào)整。注意最低留茬高度以甩刀(錘爪)刃口不入土為宜,否則會(huì)加速甩刀(錘爪)磨損,降低粉碎效果,增加拖拉機(jī)負(fù)荷。
11.秸稈粉碎還田機(jī)運(yùn)轉(zhuǎn)時(shí),嚴(yán)禁人體接近旋轉(zhuǎn)部分,機(jī)具上和機(jī)具后嚴(yán)禁有人,以防造成人員傷亡事故。
12.轉(zhuǎn)彎、倒車(chē)時(shí),必須提升秸稈粉碎還田機(jī)并切斷動(dòng)力,嚴(yán)禁猛提猛放。
13.作業(yè)時(shí)如有異響,振動(dòng)異常時(shí),應(yīng)立即停車(chē)檢查,排除故障后方可繼續(xù)工作。
14.檢修、清理機(jī)具雜物時(shí),拖拉機(jī)必須熄火,將機(jī)具落地并穩(wěn)固,防止機(jī)具傷人。
四、玉米精量播種機(jī)
1.播種機(jī)開(kāi)溝器必須與施肥開(kāi)溝器左右方向錯(cuò)開(kāi)50毫米以上,避免化肥燒苗。安裝各播種總成時(shí)要盡量保持各對(duì)應(yīng)軸孔同心,螺栓旋緊時(shí),邊擰邊觀察總成與支架梁的間隙,要保證與梁面完整接合。
2.按當(dāng)?shù)剞r(nóng)藝要求調(diào)整播種機(jī)行距;調(diào)整時(shí)以播種機(jī)梁架中心線(xiàn)為基準(zhǔn)線(xiàn),向左、右對(duì)稱(chēng)串動(dòng)播種單體和施肥開(kāi)溝部件,同時(shí),支撐輪、傳動(dòng)機(jī)構(gòu)以及排肥箱也要做相應(yīng)調(diào)整。移動(dòng)過(guò)的零部件要重新擰緊。
3.播種株距的調(diào)整就是對(duì)播種機(jī)的傳動(dòng)系統(tǒng)進(jìn)行調(diào)整,大多數(shù)播種機(jī)的傳動(dòng)系統(tǒng)都是由鏈條傳動(dòng)來(lái)完成的,可以根據(jù)使用說(shuō)明書(shū)中的播量表進(jìn)行相應(yīng)的調(diào)整,掛接好相應(yīng)的鏈輪并張緊。
4.調(diào)整施肥深度時(shí),應(yīng)松開(kāi)施肥開(kāi)溝器固定座上的頂絲,上下移動(dòng)犁柱調(diào)整深淺,上移則淺、下移則深。要求各施肥開(kāi)溝器下尖連線(xiàn)與機(jī)架平行,建議施肥開(kāi)溝器較播種開(kāi)溝器深50毫米,以實(shí)現(xiàn)深施肥。
5.作物品種、畝保苗株數(shù)(壟距和株距)、土壤肥力決定畝施肥量,根據(jù)施肥量的要求,以支撐輪轉(zhuǎn)動(dòng)10圈為準(zhǔn),測(cè)定排肥器排除肥量大小,再計(jì)算出畝排肥量(滑移率按10%計(jì)算),直到調(diào)節(jié)排肥器達(dá)到畝排肥量時(shí)為準(zhǔn)。
6.調(diào)節(jié)每個(gè)播種單體上的限深指針手柄,操作時(shí)要讓每一個(gè)播種單體上的限深指示針處于同一刻度位置,保證整機(jī)播種深度一致。但在播種作業(yè)的實(shí)際操作中,受整地條件和土壤環(huán)境不同所限,播深調(diào)整后應(yīng)進(jìn)行實(shí)際播種深度測(cè)定,一旦出現(xiàn)指示播深與實(shí)際播深不符時(shí),要進(jìn)行二次微調(diào),達(dá)到播深一致的效果。
7.在調(diào)整播種量時(shí),應(yīng)打開(kāi)排種器蓋調(diào)整隔板,隔板定位孔上移,重播率降低,但空穴率提高;隔板定位孔下移,空穴率降低,但重播率提高。需要反復(fù)調(diào)整試驗(yàn),達(dá)到滿(mǎn)意狀態(tài)為止。
8.通過(guò)調(diào)整鏈條張緊板的位置改變鏈條張緊程度,達(dá)到使用要求。
9.播種機(jī)在選擇作業(yè)路線(xiàn)時(shí),機(jī)械應(yīng)保證進(jìn)出方便且便于加種。
10.播種時(shí)不能中途停車(chē)或忽慢忽快,要保持勻速直線(xiàn)前行,以免漏播、重播。
11.要在行進(jìn)過(guò)程中操作播種機(jī)的升降,轉(zhuǎn)彎或倒退時(shí)應(yīng)提升播種機(jī),以防止開(kāi)溝器被堵塞。
12.在播種時(shí)對(duì)傳動(dòng)部位、開(kāi)溝器、排種盒以及覆蓋器的工作情況應(yīng)實(shí)時(shí)進(jìn)行觀察,及時(shí)排除粘土、纏草、堵塞或種子沒(méi)覆蓋嚴(yán)的情況。
13.播種機(jī)啟動(dòng)作業(yè)時(shí),要邊走邊下落播種機(jī),不能把播種機(jī)猛放入土作業(yè),以免入土工作部件受到劇烈沖擊損壞,也避免造成導(dǎo)種管口和施肥開(kāi)溝器口堵塞。
14.嚴(yán)禁在播種作業(yè)時(shí)進(jìn)行調(diào)整、修理和潤(rùn)滑工作。工作部件和傳動(dòng)部件粘土或纏草過(guò)多時(shí),必須停車(chē)清理,嚴(yán)禁在作業(yè)中用手清理。
15.不準(zhǔn)在左右劃印器下站人和在機(jī)組前來(lái)回走動(dòng),以免發(fā)生人身事故。
16.播種機(jī)在作業(yè)過(guò)程中不允許急轉(zhuǎn)彎和倒車(chē),以免損壞播種部件。
17.播拌藥種子時(shí),工作人員應(yīng)戴風(fēng)鏡、口罩與手套等防護(hù)用具。播后剩余種子要妥善處理,嚴(yán)禁食用,以防人畜中毒。
五、水稻插秧機(jī)
1.清洗機(jī)體,清除異物、纏繞物;清潔空氣濾清器、散熱器、油水分離器。
2.檢查及添加燃油、冷卻液(水)。按說(shuō)明書(shū)規(guī)定作業(yè)時(shí)長(zhǎng)加注燃油,清潔或更換燃油濾清器濾芯;檢查、補(bǔ)充或更換發(fā)動(dòng)機(jī)、變速箱、后車(chē)軸箱、插秧箱等部件機(jī)油,更換機(jī)油應(yīng)同時(shí)更換機(jī)油濾清器濾芯。
3.按說(shuō)明書(shū)要求,對(duì)插秧臂、旋轉(zhuǎn)箱、移動(dòng)支架、浮舟、連桿、驅(qū)動(dòng)軸、滑塊、導(dǎo)軌、各行離合器等部件涂抹或加注鋰基潤(rùn)滑油脂。
4.檢查外部及連接部主要螺母有無(wú)異常、松動(dòng),如有需調(diào)整;檢查前后輪胎磨損;檢查、調(diào)整或更換發(fā)動(dòng)機(jī)皮帶、變速箱驅(qū)動(dòng)皮帶、縱向傳送帶;檢查調(diào)整各手柄及拉桿、拉線(xiàn);檢查或更換推秧器、秧針;檢查及調(diào)整取苗量符合技術(shù)要求;檢查并補(bǔ)充蓄電池電量。
5.檢查啟動(dòng)電機(jī)、發(fā)電機(jī)、喇叭、車(chē)燈等電器部件是否正常,發(fā)動(dòng)機(jī)有無(wú)異響,排氣煙色是否正常,儀表指示是否正常等,發(fā)現(xiàn)故障及時(shí)維修。
6.檢查載秧臺(tái)、送秧部件及插植臂等插植部件是否工作正常,發(fā)現(xiàn)故障及時(shí)維修。
7.緩慢起步,檢查插秧機(jī)行走是否平穩(wěn),制動(dòng)器、變速器是否正常工作等,發(fā)現(xiàn)故障及時(shí)維修。
8.機(jī)手和喂秧手要密切配合,操作協(xié)調(diào),以免動(dòng)作不一發(fā)生事故。
9.插秧作業(yè)時(shí),有時(shí)因秧箱內(nèi)秧苗數(shù)量少且傾倒,此時(shí)應(yīng)加滿(mǎn)秧苗,切勿用手扶抵秧苗下部,以防秧爪傷手。
10.當(dāng)插秧機(jī)下陷時(shí),請(qǐng)勿硬行牽拉或上抬,可用水田輪加塞棍子法,即水田輪轉(zhuǎn)動(dòng)時(shí),將長(zhǎng)650 mm,直徑100 mm的棍子塞在水田輪葉片間,使機(jī)具逐漸離開(kāi)下陷地帶。
11.插秧機(jī)轉(zhuǎn)向時(shí),不得繼續(xù)栽插(此時(shí)摘除插秧?yè)?,以免扭壞萬(wàn)向節(jié)。
12.在插秧機(jī)工作過(guò)程中,要確保船板清潔,避免秧盤(pán)或是其他一些雜物纏在傳動(dòng)軸或萬(wàn)向節(jié)上。
13.仔細(xì)閱讀并充分理解說(shuō)明書(shū)和產(chǎn)品上粘貼的警示標(biāo)牌、提示標(biāo)牌。
14.飲酒后、睡眠不足和過(guò)于勞累時(shí)請(qǐng)不要操作機(jī)器。
15.在插秧機(jī)工作的過(guò)程中,如需要調(diào)整,必須要將插秧機(jī)停機(jī),熄火后再進(jìn)行相關(guān)的調(diào)整。
16.不得用插秧機(jī)拖拉重物。
17.進(jìn)、出田塊和過(guò)田埂時(shí),要低速行駛,并嚴(yán)格按照使用說(shuō)明書(shū)的操作方法進(jìn)行。
18.停車(chē)時(shí),請(qǐng)務(wù)必將主變速手柄置于空擋位置,并踩下剎車(chē)踏板,必要時(shí)熄滅發(fā)動(dòng)機(jī)。
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