十噸位橋式起重機起升機構(gòu)設(shè)計【14張CAD圖紙】
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英文翻譯Traffic safety technical requirementsA hook1, should be checked regularly, at least semiannually, and clean lubrication.2, new and put into use the hook to recognize that the hook on the mark, the technical documentation of the manufacturing units and factory certification.3, before put into use by means of marking load test, allows the use of qualified before confirmation.4, are not allowed to use the casting hook. The hook should be fixed firmly rotating parts should be flexible, leptospirosis smooth surface, no cracks, spalling and any damage wire rope defects.5, leptospirosis defects shall not welding. To prevent spreader to decoupling, the hook should be set to prevent accidental decoupling safety devices.6, one of the following conditions occurs, the hook should be scrapped:(1) Surface cracks.(2) the amount of wear of the dangerous section: hook manufactured in use by industry standards, should not be greater than 10% of the original size; manufactured by GB10051.2 hook should be less than 5% of the original height.(3) the degree of opening than the original size increased by 15%.(4) The torsional deformation of more than 10 .(5) the dangerous section or hook neck plastically deformed.(6) The board hook bushing wear up to 50% of the original size, should be scrapped bushing; the board hook mandrel wear up to 5% of the original size, should be scrapped mandrel. The panel hook caulking can not be loose, the gap between the boards can not be greater than 0.30mm.Second, the spreader1, hinge parts should be checked before use leverage deformation, cracks.2, the axis of the rotating parts, off the regular inspection and lubrication. In case of large loose, wear, deformation, etc., should be timely repair and replacement.3, new and put into use the spreader should load test, after passing inspection in order to allow the use of.Third, the wheel1, check all parts of the wheel, the tread of the wheel rim and spokes cracks are found, replace the wheel.2, when the wheel rim wear amount more than 50% of the original thickness, or rim bending deformation of up to 20% of the original thickness, the wheels should be scrapped.3, runout tolerance should not be greater than the diameter of the wheel tread.Wheel tread allows repair in the following situations:(1) a cylindrical the difference the two capstan tread diameter:Wheel diameter 250-500mm and no more than 0.125 mm;The wheel diameter 600-900mm and no more than 0.30mm.(2) Poor: the two passive wheel diameter cylindrical treadWheel diameter 250-500mm, is not greater than 0.60mm;The wheel diameter 600-900mm and no more than 0.90mm.(3) conical tread diameter deviation is greater than the nominal diameter of 1/1000, should be re-processed for repair.During use, the tread strip, the scratch area is greater than 2cm2, when the depth is greater than 3mm, allowing Repair, or should be scrapped.Wheel tread thickness loss of 15% of the thickness due to wear or re-machining due to other defects, repair, when the wheel is scrapped.(4) assembly of wheels, wheel basis nose will swing shall not be greater than 0.1 mm, the wall thickness of the rim and the wheel diameter deviation should not be greater than 3 mm, the wheel assembly group should be able to hand the flexibility to rotate.Fourth, trackCheck rail, bolts, fish plates for cracks, loose and corrosion. Found that the cracks should be replaced if any other defects should be promptly repaired.2, the adjustment of the track: track joints can be made directly to the head, also can be made into a 45 inclined joint general joint gap for 1-2mm in the cold winter construction or installation should consider the temperature gap is generally 4-6mm . Joints, two rail top surface of the difference in height shall not be greater than 1 mm, side straightness is not greater than 2 mm.The same cross-section of the two rail height difference shall not be greater than 10 mm. Each track along the length 2m measuring length shall not be greater than 2 mm, total length must not exceed 15mm.Fifth, pulley block1, good lubrication of the pulley block, flexible rotation; pulley lateral pendulum shall not exceed one-thousandth of the nominal size of the pulley.2, pulley cover and other parts shall not prevent the wire rope run. Should prevent the rope to jump out of the wheel groove guards.3 pulley one of the following conditions should be scrapped:(1) there is a crack or damage the rim.(2) round slot uneven wear up to 3mm.(3) The wall thickness of the wheel groove wear up to 20% of the original wall thickness.(4) wheel groove bottom diameter of the wear volume of 50% of the rope diameter.4, the pulley has a smooth surface smooth, there should be no damage to wire rope defects.Six rolls1, the fetching means when the upper limit position, the the rope whole volume in the helical slot; extract means when the lower limit position, the end of each fixed should have safety 1.5-2 ring fixed rope groove and ring grooves.2, you should regularly check the operation status of the group of the roll.(1) Check the roll and shaft may crack, cracks were found to be scrapped update in a timely manner.(2) reel wall wear to 20% of the original wall thickness roll scrap, should be replaced immediately.(3) the reel hub without cracks, roll links should be solid, not loose.(4) fixed the end of the wire rope should be reliable, fixtures should be locking or self-tightening performance.3, roll around the skew angle of the rope for single-layer winding-up mechanism should not be greater than 3.5 for the multilayer winding institutions should not be greater than 2 .4, multi-layer winding roll ends should be flange. Flange should be higher than the outermost layer of wire rope or chain 2 times the rope diameter or width of the chain. The monolayer wound single joint roll should also meet the above requirements., An integral part of the roll group, rotating flexible roll, shall not block abnormal sound.Seven reducer1, always check the anchor bolts, shall not be loose, fall off and break.2 a day, check the gear unit housing, bearing at fever can not exceed the allowable temperature rise. When the temperature exceeds a room temperature of 40 C, the bearings should be checked for damage, improper installation or lack of grease, the load time is too long, running or without catching phenomenon.3, check the lubrication. Reducer during the initial period, should be replaced every three months the oil and clean the cabinet, remove the metal shavings, replaced every six months to a year later. The lubricating oil will not leak, the oil should be moderate.4, listening to the police gear meshing sound. Excessive noise or abnormal percussion, out of the box to check the shafts and gears for damage.5, with a magnetic or ultrasonic flaw detection gear unit housing and shaft cracks should be replaced.6, the housing shall not deformation, cracking defect.7, reducer parts of the following circumstances should be scrapped:(1) the gear cracks and broken teeth.(2) damage to the tooth surface pitting of the engagement surface 30% or 10% of the depth up to the original tooth thickness.(3) Hoisting mechanism at every level gear to wear up 10% of the original tooth thickness, the other engages level up to the original tooth thickness of 20% should be scrapped: other institutions meshing gear tooth thickness wear up to 15%, the tooth thickness wear of the original tooth thickness of the engagement level of 25% should be scrapped; open gear drive gear tooth thickness wear of the original tooth thickness of 30% of the gear scrapped.(4) the reducer housing severe deformation, cracks and fix the value of the end-of-life.Eight coupling1, the rotating coupling runout or face runout is beyond the limit.2, the bond between the coupling and connector availability of loose, deformed, or out of the slot; keyway for cracks and deformation, with or without scroll keys. Connected to the coupling with the order of the shear bolt, the bolt of the availability of loose, fall off and break, when the above situation, stop the treatment.3, a lubricating device coupling sealing device should be intact.4, gear couplings for cracks, broken teeth or from the lifting mechanism and the non-equilibrium luffing mechanism gear tooth thickness wear volume of the original tooth thickness of 15% and 20% of other agencies gear tooth thickness wear volume of the original tooth thickness associated The axis is no longer available.The use of lifting mechanism brake wheel coupling, heat pad should be added.Nine, brakeBrake frame hinge point by the wear and tear caused Songkuang, resulting backlash over tic drive 10% of the working stroke of the device, the response to the hinge point for repair.2, the hinge pin having a diameter exceeding 5% of the original diameter of more than 0.5mm or ovality, shall replace the pin. The replacement pin hole should be trimmed to restore the roundness, and then the preparation of a new pin according to the aperture. Shaft hole diameter wear more than 5% of the original diameter, should be re-trimmed shaft hole, the preparation of a new pin.(3) on the brake pad lining wear more than 50% of the original thickness, defects and cracks should be scrapped, the replacement of the friction plate. Replacement, a rivet embedded in the brake lining attempt should be more than 1/2 of the original thickness.4, the parts of the braking device cracks should be scrapped.5 should be replaced, the brake spring plastic deformation occurs.6, from the lifting mechanism and luffing mechanism brake wheel, when the wear of the rim thickness up to 40% of the original thickness, should be scrapped. Other bodies of the brake wheel, the wear of the rim thickness up to 50% of the original thickness, should be scrapped.7, brake wheel shaft hole with the drive shaft connected to key loose, replace the tic wheel and drive shaft.8, the brake wheel uneven degrees of 1.5mm, allowing Repair. Flange thickness shall comply with the requirements of section 6 of the repair can continue to use, or should be scrapped.中文翻譯行車安全技術(shù)要求一、吊鉤1、應(yīng)定期檢查,至少每半年檢查一次,并進行清洗潤滑。2、新投入使用的吊鉤要認明鉤件上的標(biāo)記、制造單位的技術(shù)文件和出廠合格證。3、投入正式使用前應(yīng)根據(jù)標(biāo)記進行負荷試驗,確認合格后才允許使用。4、不準使用鑄造吊鉤。吊鉤應(yīng)固定牢靠,轉(zhuǎn)動部位應(yīng)靈活,鉤體表面光潔,無裂紋、剝裂及任何有損傷鋼絲繩的缺陷。5、鉤體上的缺陷不得補焊。為防止吊具自行脫鉤,吊鉤上應(yīng)設(shè)置防止意外脫鉤的安全裝置。6、出現(xiàn)下述情況之一時,吊鉤應(yīng)報廢:(1)表面有裂紋。(2)危險斷面磨損量:按行業(yè)沿用標(biāo)準制造的吊鉤,應(yīng)不大于原尺寸的10%;按GB10051.2制造的吊鉤,應(yīng)不大于原高度的5%。(3)開口度比原尺寸增加15%。(4)扭轉(zhuǎn)變形超過10。(5)危險斷面或吊鉤頸部產(chǎn)生塑性變形。(6)板鉤襯套磨損達原尺寸的50%時,應(yīng)報廢襯套;板鉤芯軸磨損達原尺寸的5%時,應(yīng)報廢芯軸。板鉤的鉚接不得松動,板間的間隙不得大于0.30mm。二、吊具1、使用前應(yīng)檢查鉸接部位的杠桿有無變形、裂紋。2、對轉(zhuǎn)動部位的軸、銷進行定期檢查和潤滑。如有較大的松動、磨損、變形等,應(yīng)及時予以修理和更換。3、新投入使用的吊具應(yīng)進行負載試驗,經(jīng)檢驗合格后才能允許使用。三、車輪1、檢查車輪各個部位,車輪的踏面、輪緣和輪輻發(fā)現(xiàn)裂紋時,應(yīng)更換車輪。2、車輪輪緣磨損量超過原厚度的50%時,或輪緣彎曲變形達原厚度的20%時,車輪應(yīng)報廢。3、車輪踏面的徑向跳動不應(yīng)大于直徑的公差。車輪踏面在下列情況時允許修理:(1)圓柱形踏面的兩主動輪的直徑差:車輪直徑250500mm時,不大于0.125mm;車輪直徑600900mm時,不大于0.30mm。(2)圓柱形踏面的兩被動輪的直徑差:車輪直徑250500mm時,不大于0.60mm;車輪直徑600900mm時,不大于0.90mm。(3)圓錐形踏面直徑偏差大于名義直徑的1/1000時,應(yīng)重新加工修理。在使用過程中,踏面剝離、擦傷的面積大于2cm2,深度大于3mm時,允許修理,否則應(yīng)報廢。車輪由于磨損或因其他缺陷,重新加工修理,踏面厚度損失達厚度的15%時,車輪報廢。(4)裝配后的車輪組,車輪基準端面擺輻不得大于0.1mm,輪緣及輪徑的壁厚偏差不應(yīng)大于3mm,裝配后的車輪組,應(yīng)能用手靈活地轉(zhuǎn)動。四、軌道1、檢查鋼軌、螺栓,魚尾板有無裂紋,松脫和腐蝕。發(fā)現(xiàn)裂紋應(yīng)及時更換,如有其他缺陷應(yīng)及時修理。2、軌道的調(diào)整:軌道的接頭可做成直接頭,也可以做成45斜接頭,一般接頭的縫隙為12mm,在寒冷地區(qū)冬季施工或安裝時應(yīng)考慮溫度縫隙一般為46mm。接頭處,兩軌頂面高度差不得大于1mm,側(cè)面直線度不大于2mm。兩軌道同一截面高度差不得大于10mm。每根軌道沿長度方向,每2m測量長度不得大于2mm,全長上不得超過15mm。五、滑輪組1、滑輪組潤滑良好,轉(zhuǎn)動靈活;滑輪側(cè)向擺不得超過滑輪名義尺寸的千分之一。2、滑輪罩及其他零部件不得妨礙鋼絲繩運行。應(yīng)有防止鋼絲繩跳出輪槽的防護裝置。3、滑輪有以下情況之一時,應(yīng)報廢:(1)有裂紋或輪緣破損。(2)輪槽不均勻磨損達3mm時。(3)輪槽壁厚磨損達原壁厚的20%時。(4)輪槽底部直徑磨損量達鋼絲繩直徑的50%時。4、滑輪輪槽表面光潔平滑,不應(yīng)有損傷鋼絲繩的缺陷。六、卷筒1、取物裝置在上極限位置時,鋼絲繩全卷在螺旋槽中;取物裝置在下極限位置時,每端固定處都應(yīng)有1.52圈固定鋼絲繩用槽和2圈以上的安全槽。2、應(yīng)定期檢查卷筒組的運轉(zhuǎn)狀態(tài)。(1)檢查卷筒和軸不得有裂紋,如發(fā)現(xiàn)裂紋要及時報廢更新。(2)卷筒壁磨損至原壁厚的20%時卷筒報廢,應(yīng)立即更換。(3)卷筒轂上不得有裂紋,與卷筒聯(lián)結(jié)就應(yīng)堅固,不得松動。(4)鋼絲繩尾端的固定應(yīng)可靠,固定裝置應(yīng)有防松或自緊性能。3、卷筒與繞出的鋼絲繩的偏斜角對于單層纏繞機構(gòu)不應(yīng)大于3.5,對于多層纏繞機構(gòu)不應(yīng)大于2。4、多層纏繞的卷筒,端部應(yīng)有凸緣。凸緣應(yīng)比最外層鋼絲繩或鏈條高出2倍的鋼絲繩直徑或鏈條的寬度。單層纏繞的單聯(lián)卷筒也應(yīng)滿足上述要求。5、組成卷筒組的零件齊全,卷筒轉(zhuǎn)動靈活,不得有阻滯現(xiàn)象及異常聲響。七、減速器1、經(jīng)常檢查地腳螺栓,不得有松動、脫落和折斷。2、每天檢查減速器箱體,軸承處的發(fā)熱不能超過允許溫度升高值。當(dāng)溫度超過室溫40時,應(yīng)檢查軸承是否損壞,是否安裝不當(dāng)或缺少潤滑油脂,負荷時間是否過長,運行有無卡滯現(xiàn)象等。3、檢查潤滑部位。減速器使用初期,應(yīng)每三個月更換一次潤滑油,并清洗箱體,去除金屬屑,以后半年至一年更換一次。潤滑油不得泄漏,同時油量要適中。4、聽察齒輪嚙合聲響。噪聲過高或有異常撞擊聲時,要開箱檢查軸和齒輪有無損壞。5、用磁力或超聲波探傷檢查減速器箱體和軸,發(fā)現(xiàn)裂紋應(yīng)及時更換。6、殼體不得有變形、開裂缺損現(xiàn)象。7、減速器零件中有下列情形之一時,應(yīng)予以報廢:(1)齒輪有裂紋和斷齒。(2)齒面點蝕損壞達嚙合面30%或深度達原齒厚的10%時。(3)起升機構(gòu)每一級嚙合齒輪磨損達原齒厚的10%,其他嚙合級達原齒厚的20%時應(yīng)報廢:其他機構(gòu)第一級嚙合齒輪原齒厚磨損達15%,其他嚙合級齒厚磨損達原齒厚的25%時應(yīng)報廢;開式齒輪傳動中的齒輪齒厚磨損達原齒厚的30%時,該齒輪報廢。(4)減速器殼體嚴重變形、裂紋,且無修復(fù)價值時,該件報廢。八、聯(lián)軸器1、轉(zhuǎn)動中的聯(lián)軸器徑向跳動或端面跳動是否超出極限。2、聯(lián)軸器與被連接件間的鍵有無松動、變形或出槽;鍵槽有無裂痕和變形,有無滾鍵。用承剪螺栓連接的聯(lián)軸器,其螺栓有無松動、脫落和折斷,當(dāng)出現(xiàn)上述情況時,應(yīng)停機處理。3、帶有潤滑裝置的聯(lián)軸器的密封裝置應(yīng)完好。4、齒輪聯(lián)軸器有裂痕、斷齒或起升機構(gòu)和非平衡變幅機構(gòu)齒輪齒厚磨損量達原齒厚的15%,其他機構(gòu)齒輪齒厚磨損量達原齒厚的20%,聯(lián)軸器不能再使用。5、起升機構(gòu)使用的制動輪聯(lián)軸器,應(yīng)加設(shè)隔熱墊。九、制動器1、制動器架各鉸接點經(jīng)磨損造成松曠,導(dǎo)致無效行程超過抽動驅(qū)動裝置工作行程的10%時,應(yīng)對各鉸接點進行修理。2、各鉸鏈處的銷軸,其直徑超過原直徑的5%或橢圓度超過0.5mm時,均應(yīng)更換銷軸。更換時,應(yīng)修整銷軸孔,恢復(fù)圓度,然后根據(jù)孔徑配制新的銷軸。軸孔直徑磨損超過原直徑5%時,也應(yīng)重新修整軸孔,配制新的銷軸。3、制動瓦塊上摩擦片的磨損超過原厚度的50%,或有缺損和裂紋時,應(yīng)報廢更換新的摩擦片。更換時,鉚釘埋入制動摩擦片的嘗試應(yīng)超過原厚度的1/2。4、制動裝置的零件出現(xiàn)裂紋時應(yīng)報廢。5、制動彈簧出現(xiàn)塑性變形時應(yīng)更換。6、起升機構(gòu)和變幅機構(gòu)的制動輪,當(dāng)輪緣厚度磨損達原厚度的40%時,應(yīng)報廢。其他機構(gòu)的制動輪,輪緣厚度磨損達原厚度的50%時,應(yīng)報廢。7、制動輪的軸孔與傳動軸連接的鍵出現(xiàn)松動時,應(yīng)更換抽動輪和傳動軸。8、制動輪凹凸不平度達1.5mm時,允許修理。修復(fù)后輪緣厚度應(yīng)符合上述第6條的要求時可繼續(xù)使用,否則應(yīng)報廢。 無錫太湖學(xué)院畢業(yè)設(shè)計(論文)開題報告題目: 十噸位橋式起重機起升機構(gòu) 設(shè)計 信機 系 機械工程及自動化 專業(yè)學(xué) 號: 0923240 學(xué)生姓名: 江澤琳 指導(dǎo)教師: 陳炎冬 (職稱:講 師 ) (職稱: )2012年11月25日課題來源來源于生產(chǎn)實踐科學(xué)依據(jù)(包括課題的科學(xué)意義;國內(nèi)外研究概況、水平和發(fā)展趨勢;應(yīng)用前景等)科學(xué)意義起升機構(gòu)是起重機中用來將貨物提升或下方的最重要的裝置,其工作性能的優(yōu)劣直接影響到整臺起重機的工作效率和穩(wěn)定性。國內(nèi)外研究水平(1) 國內(nèi)現(xiàn)狀:目前,國內(nèi)專業(yè)的生產(chǎn)大型起重機的廠家很多,起升機構(gòu)的起升重要也越來越大,目前已成功開發(fā)出50t600t的起重機產(chǎn)品。最近有新推出了QUY350型起重機,填補了國內(nèi)350t起重機的產(chǎn)品型譜的空白。(2) 國外現(xiàn)在:目前,國外的專業(yè)生產(chǎn)起重機的廠家也有很多,起升機構(gòu)產(chǎn)品系列較全,市場占有率較高。其起升機構(gòu)的起升重量已經(jīng)達到1200t。2007年又推出了新產(chǎn)品LR1600/2,使產(chǎn)品的型譜更加的完善。國內(nèi)外發(fā)展動向 加入世貿(mào)組織后,國內(nèi)起升機構(gòu)的市場將受到較大沖擊,但同時也給我們帶來新技術(shù)的應(yīng)用以及新的發(fā)展契機。國外起升機構(gòu)則朝著大型化、專用化、模塊化、組合化,實現(xiàn)高效率的專業(yè)化生產(chǎn)。達到改善整機性能,降低制造成本,提高通用化程度,用少量規(guī)格數(shù)量的零部件組成多品種、多規(guī)格的系列產(chǎn)品,充分滿足用戶需求。研究內(nèi)容 (1)傳動方式的選擇(2)起升機構(gòu)計算(3)鋼絲繩的計算選擇(4)滑輪組、卷筒的計算選擇(5)電動機的選擇(6)減速器的選擇(7)制動器的計算選擇(8)聯(lián)軸器的選擇(9)起制動時間驗算擬采取的研究方法、技術(shù)路線、實驗方案及可行性分析(1) 研究方法 借閱相關(guān)書籍雜志,充分利用圖書館資源。(2) 技術(shù)路線 收集資料,對十噸位橋式起重機起升機構(gòu)做選擇設(shè)計計算,并畫出相對應(yīng)的裝配圖零件圖。(3) 實驗方案 去現(xiàn)場觀看過橋式起重機,對其外觀構(gòu)造工作原理有一定了解。(4) 可行性分析 通過對論文課題的學(xué)習(xí)研究達到鞏固、擴大、深化已學(xué)理論知識、提高思考分析解決實際問題等綜合素質(zhì)的目的。并對機械設(shè)計,CAD等有更深層次的學(xué)習(xí)鞏固。研究計劃及預(yù)期成果研究計劃2012年11月11日2012年11月24日:收集資料;2012年11月25日2012年12月8日:整理消化知識點;2012年12月9日2013年1月21日:初定方案;2013年3月4日2013年3月22日:確定起升機構(gòu)傳動方案;2013年3月25日2013年4月5日:進入詳細的設(shè)計計算;2013年4月8日2013年4月19日:裝配圖的設(shè)計;2013年4月22日2013年4月26日:零件圖的設(shè)計;2013年4月29日2013年5月25日:整理說明書,遞交畢業(yè)設(shè)計資料,準備答辯材料。預(yù)期成果:設(shè)計中各個部件的選擇需要具體分析和理論設(shè)計,方案擬定正確;設(shè)計計算根據(jù)來源可靠,計算數(shù)據(jù)準確無誤;機械結(jié)構(gòu)圖紙要求試圖完整、符合國家最新標(biāo)準,圖面整潔、質(zhì)量高;用CAD完成起升機構(gòu)裝配圖和零件圖。特色或創(chuàng)新之處理論與實際結(jié)合,能更好的吸收書本上的知識,方便以后我們能更好的運用到現(xiàn)場實踐中去。已具備的條件和尚需解決的問題 書本知識運用還不完全。 使用CAD繪圖的能力還有待加強。指導(dǎo)教師意見 指導(dǎo)教師簽名:年 月 日教研室(學(xué)科組、研究所)意見 教研室主任簽名: 年 月 日系意見 主管領(lǐng)導(dǎo)簽名: 年 月 日題目: 十噸位橋式起重機 起升機構(gòu)設(shè)計 信機 系 機械工程及自動化 專業(yè)學(xué) 號: 0923240學(xué)生姓名: 江澤琳 指導(dǎo)教師: 陳炎冬 (職稱:講師 ) (職稱: ) 2013年5月25日III無錫太湖學(xué)院畢業(yè)設(shè)計(論文)開題報告題目: 十噸位橋式起重機起升機構(gòu) 設(shè)計 信機 系 機械工程及自動化 專業(yè)學(xué) 號: 0923240 學(xué)生姓名: 江澤琳 指導(dǎo)教師: 陳炎冬 (職稱:講 師 ) (職稱: )2012年11月25日無錫太湖學(xué)院本科畢業(yè)設(shè)計(論文)誠 信 承 諾 書本人鄭重聲明:所呈交的畢業(yè)設(shè)計(論文) 十噸位橋式起重機起升機構(gòu)設(shè)計 是本人在導(dǎo)師的指導(dǎo)下獨立進行研究所取得的成果,其內(nèi)容除了在畢業(yè)設(shè)計(論文)中特別加以標(biāo)注引用,表示致謝的內(nèi)容外,本畢業(yè)設(shè)計(論文)不包含任何其他個人、集體已發(fā)表或撰寫的成果作品。 班 級: 機械95 學(xué) 號: 0923240 作者姓名: 2013 年 5 月 25 日無錫太湖學(xué)院信 機系 機械工程及自動化 專業(yè)畢 業(yè) 設(shè) 計論 文 任 務(wù) 書一、題目及專題:1、題目十噸位橋式起重機起升機構(gòu)設(shè)計 2、專題 二、課題來源及選題依據(jù)來源于生產(chǎn)實踐。 選題依據(jù):工作級別M6,吊運金屬工件,起重機設(shè)操作室。起重量主鉤10t,跨度22.5m,起升高度16m,橋架結(jié)構(gòu)材料為Q235。 三、本設(shè)計(論文或其他)應(yīng)達到的要求:1、對以前所學(xué)知識進行檢測,能不能靈活運用。 2、深刻理解起升機構(gòu)的工作原理。 3、完成設(shè)計計算說明書(不少于10000字)。 4、完成相關(guān)裝配圖,零件圖(不少于3張A0圖紙)。 I四、接受任務(wù)學(xué)生: 機械95 班 姓名 江澤琳 五、開始及完成日期:自 2012年 11 月 12日 至 2013年 5 月 25 日六、設(shè)計(論文)指導(dǎo)(或顧問): 指導(dǎo)教師簽名 簽名 簽名教研室主任學(xué)科組組長研究所所長簽名 系主任 簽名2012年11月12日摘 要起重機是用來對物料做起重、運輸、裝卸和安裝等作業(yè)的機械設(shè)備,它可以減輕體力勞動、提高勞動生產(chǎn)率和在生產(chǎn)過程中進行某些特殊的工藝操作,實現(xiàn)機械化和自動化。起升機構(gòu)包括電動機、制動器、減速器、卷筒和滑輪組。電動機通過減速器,帶動卷筒轉(zhuǎn)動,使鋼絲繩繞上卷筒或從卷筒放下,以升降重物。本文就十噸橋式起重機起升機構(gòu)做設(shè)計計算,確定起升機構(gòu)傳動方案,確定起升機構(gòu)工作級別,對起升機構(gòu)的主要部件卷筒、鋼絲繩、滑輪等鋼絲繩卷繞系統(tǒng),電動機、聯(lián)軸器、減速器等驅(qū)動裝置進行設(shè)計計算,驗證卷筒壁壓應(yīng)力,卷筒應(yīng)力,確定吊鉤裝置構(gòu)造方案,吊鉤橫梁,滑輪軸的計算等。對起升機構(gòu)運行的過程,包括起升速度、起升和制動時間進行計算和驗算。關(guān)鍵詞:傳動方案;卷繞系統(tǒng);驅(qū)動裝置;起升運行III AbstractCrane is used to start heavy materials, transportation, handling and installation of machinery and equipment and other operations, which can reduce manual labor, improve labor productivity and in the production process for some special process operation, mechanization and automation. Lifting mechanism includes a motor, brake, reducer, drum and pulley. Motor through reducer, driving drum rotation, so that the wire rope around the drum or from a roll down to lift heavy loads.In this paper, ten tons crane hoisting mechanism to do the design calculations to determine the transmission scheme lifting mechanism, hoisting mechanism to determine the working level of the main components of the hoisting mechanism drum, wire rope, wire rope winding system pulleys, motors, United coupling, reducer drives the design calculations, validation reel wall stress, stress reel, hook device is configured to determine program, hook beams, pulley shaft calculation. Hoisting mechanism for running processes, including the lifting speed, lifting and braking time calculations and checking.Keywords: transmission scheme; winding system; drive; lifting operationI1目錄摘 要IIIAbstractIV目錄V1 緒論11.1 橋式起重機的簡介11.2 起重機械的發(fā)展21.3 起重機械的特點22 起升機構(gòu)主要部件的設(shè)計計算42.1主要參數(shù)42.2確定起升機構(gòu)傳動方案42.3 確定吊鉤和滑輪組52.4 鋼絲繩的計算62.4.1 鋼絲繩所受最大拉力62.4.2 鋼絲繩允許的偏斜角72.5 卷筒的計算82.5.1 卷筒材料82.5.2 卷筒直徑計算82.5.3 卷筒長度82.5.4 卷筒壁壓應(yīng)力驗算82.5.5 卷筒應(yīng)力驗算92.6 繩端固定裝置的計算102.7 取物裝置122.7.1 確定吊鉤裝置構(gòu)造方案122.7.2 吊鉤主體結(jié)構(gòu)的主要尺寸的計算122.7.3 吊鉤強度驗算132.7.4 吊鉤彎曲部分斷面A-A強度驗算132.7.5 吊鉤彎曲部分斷面B-B強度驗算142.7.6 推力球軸承的選擇142.7.7 吊鉤橫梁的計算152.7.8 滑輪軸的計算162.7.9 拉板的強度校核173 起升運行機構(gòu)設(shè)計193.1 力矩的計算193.1.1 平穩(wěn)上升階段193.1.2 平穩(wěn)下降階段203.1.3 上升起動階段203.1.4 下降制動階段223.2 電動機的選擇223.2.1 電動機的功率確定223.2.2 驗算電動機發(fā)熱條件233.3 減速器的選擇233.3.1 減速器傳動比233.3.2 減速器的選取233.3.3 輸出軸強度校核233.4 起升速度和實際所需功率243.4.1 實際速度243.4.2 實際功率243.5 制動器的選擇243.6 起升和制動時間驗算253.6.1 起動時間驗算253.6.2 制動時間驗算263.7.1 疲勞計算263.7.2 強度驗算274 總結(jié)與展望294.1 總結(jié)294.2 展望29致 謝30參考文獻31 III1 緒論起重機械的基本任務(wù)是垂直升降重物,并可兼使重物作短距離的水平移動,以滿足重物裝卸、轉(zhuǎn)載、安裝等作業(yè)的要求。起重機機械是現(xiàn)代化生產(chǎn)必不可少的重要機械設(shè)備,它對于減輕繁重的體力勞動、提高勞動生產(chǎn)率和實現(xiàn)生產(chǎn)過程的機械化、自動化及改善人民的物質(zhì)、文化生活都具有重大的意義。起重機械廣泛應(yīng)用于工礦企業(yè)、港口碼頭、車站倉庫、建筑工地、海洋開發(fā)、宇宙航行等各個工業(yè)部門,可以說陸地、海洋、空中、民用、軍用各個方面都有起重機械在進行著有效的工作。 起重機械不僅可以作為輔助的生產(chǎn)設(shè)備,完成原料、半成品、產(chǎn)品的裝卸、搬運,進行機電設(shè)備的安裝、維修,而且它也是一些生產(chǎn)過程工藝操作中的必須設(shè)備,例如鋼鐵冶金生產(chǎn)中的各個環(huán)節(jié),從爐料準備、加料到煉好的鋼水澆鑄成錠以及脫模取錠等。又例如原子能工業(yè)中的一些工藝操作等人所難達到之處,沒有起重機械,簡直無法生產(chǎn)。據(jù)統(tǒng)計,在我國冶金、煤炭部門的機械設(shè)備總臺數(shù)或總重中,起重運輸機械約占2565。起重機械與運輸機械發(fā)展到現(xiàn)在,已經(jīng)成為合理組織成批大量生產(chǎn)和機械化流水作業(yè)的基礎(chǔ),是現(xiàn)代化生產(chǎn)的重要標(biāo)志之一。在我國四個現(xiàn)代化的發(fā)展和各個工業(yè)部門機械化水平、勞動生產(chǎn)率的提高中,起重機必將發(fā)揮更大的作用。
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