【机械类毕业论文中英文对照文献翻译】行车安全技术要求
【机械类毕业论文中英文对照文献翻译】行车安全技术要求,机械类毕业论文中英文对照文献翻译,机械类,毕业论文,中英文,对照,对比,比照,文献,翻译,行车,安全技术,要求,请求
英文翻译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.中文翻译行车安全技术要求一、吊钩1、应定期检查,至少每半年检查一次,并进行清洗润滑。2、新投入使用的吊钩要认明钩件上的标记、制造单位的技术文件和出厂合格证。3、投入正式使用前应根据标记进行负荷试验,确认合格后才允许使用。4、不准使用铸造吊钩。吊钩应固定牢靠,转动部位应灵活,钩体表面光洁,无裂纹、剥裂及任何有损伤钢丝绳的缺陷。5、钩体上的缺陷不得补焊。为防止吊具自行脱钩,吊钩上应设置防止意外脱钩的安全装置。6、出现下述情况之一时,吊钩应报废:(1)表面有裂纹。(2)危险断面磨损量:按行业沿用标准制造的吊钩,应不大于原尺寸的10%;按GB10051.2制造的吊钩,应不大于原高度的5%。(3)开口度比原尺寸增加15%。(4)扭转变形超过10。(5)危险断面或吊钩颈部产生塑性变形。(6)板钩衬套磨损达原尺寸的50%时,应报废衬套;板钩芯轴磨损达原尺寸的5%时,应报废芯轴。板钩的铆接不得松动,板间的间隙不得大于0.30mm。二、吊具1、使用前应检查铰接部位的杠杆有无变形、裂纹。2、对转动部位的轴、销进行定期检查和润滑。如有较大的松动、磨损、变形等,应及时予以修理和更换。3、新投入使用的吊具应进行负载试验,经检验合格后才能允许使用。三、车轮1、检查车轮各个部位,车轮的踏面、轮缘和轮辐发现裂纹时,应更换车轮。2、车轮轮缘磨损量超过原厚度的50%时,或轮缘弯曲变形达原厚度的20%时,车轮应报废。3、车轮踏面的径向跳动不应大于直径的公差。车轮踏面在下列情况时允许修理:(1)圆柱形踏面的两主动轮的直径差:车轮直径250500mm时,不大于0.125mm;车轮直径600900mm时,不大于0.30mm。(2)圆柱形踏面的两被动轮的直径差:车轮直径250500mm时,不大于0.60mm;车轮直径600900mm时,不大于0.90mm。(3)圆锥形踏面直径偏差大于名义直径的1/1000时,应重新加工修理。在使用过程中,踏面剥离、擦伤的面积大于2cm2,深度大于3mm时,允许修理,否则应报废。车轮由于磨损或因其他缺陷,重新加工修理,踏面厚度损失达厚度的15%时,车轮报废。(4)装配后的车轮组,车轮基准端面摆辐不得大于0.1mm,轮缘及轮径的壁厚偏差不应大于3mm,装配后的车轮组,应能用手灵活地转动。四、轨道1、检查钢轨、螺栓,鱼尾板有无裂纹,松脱和腐蚀。发现裂纹应及时更换,如有其他缺陷应及时修理。2、轨道的调整:轨道的接头可做成直接头,也可以做成45斜接头,一般接头的缝隙为12mm,在寒冷地区冬季施工或安装时应考虑温度缝隙一般为46mm。接头处,两轨顶面高度差不得大于1mm,侧面直线度不大于2mm。两轨道同一截面高度差不得大于10mm。每根轨道沿长度方向,每2m测量长度不得大于2mm,全长上不得超过15mm。五、滑轮组1、滑轮组润滑良好,转动灵活;滑轮侧向摆不得超过滑轮名义尺寸的千分之一。2、滑轮罩及其他零部件不得妨碍钢丝绳运行。应有防止钢丝绳跳出轮槽的防护装置。3、滑轮有以下情况之一时,应报废:(1)有裂纹或轮缘破损。(2)轮槽不均匀磨损达3mm时。(3)轮槽壁厚磨损达原壁厚的20%时。(4)轮槽底部直径磨损量达钢丝绳直径的50%时。4、滑轮轮槽表面光洁平滑,不应有损伤钢丝绳的缺陷。六、卷筒1、取物装置在上极限位置时,钢丝绳全卷在螺旋槽中;取物装置在下极限位置时,每端固定处都应有1.52圈固定钢丝绳用槽和2圈以上的安全槽。2、应定期检查卷筒组的运转状态。(1)检查卷筒和轴不得有裂纹,如发现裂纹要及时报废更新。(2)卷筒壁磨损至原壁厚的20%时卷筒报废,应立即更换。(3)卷筒毂上不得有裂纹,与卷筒联结就应坚固,不得松动。(4)钢丝绳尾端的固定应可靠,固定装置应有防松或自紧性能。3、卷筒与绕出的钢丝绳的偏斜角对于单层缠绕机构不应大于3.5,对于多层缠绕机构不应大于2。4、多层缠绕的卷筒,端部应有凸缘。凸缘应比最外层钢丝绳或链条高出2倍的钢丝绳直径或链条的宽度。单层缠绕的单联卷筒也应满足上述要求。5、组成卷筒组的零件齐全,卷筒转动灵活,不得有阻滞现象及异常声响。七、减速器1、经常检查地脚螺栓,不得有松动、脱落和折断。2、每天检查减速器箱体,轴承处的发热不能超过允许温度升高值。当温度超过室温40时,应检查轴承是否损坏,是否安装不当或缺少润滑油脂,负荷时间是否过长,运行有无卡滞现象等。3、检查润滑部位。减速器使用初期,应每三个月更换一次润滑油,并清洗箱体,去除金属屑,以后半年至一年更换一次。润滑油不得泄漏,同时油量要适中。4、听察齿轮啮合声响。噪声过高或有异常撞击声时,要开箱检查轴和齿轮有无损坏。5、用磁力或超声波探伤检查减速器箱体和轴,发现裂纹应及时更换。6、壳体不得有变形、开裂缺损现象。7、减速器零件中有下列情形之一时,应予以报废:(1)齿轮有裂纹和断齿。(2)齿面点蚀损坏达啮合面30%或深度达原齿厚的10%时。(3)起升机构每一级啮合齿轮磨损达原齿厚的10%,其他啮合级达原齿厚的20%时应报废:其他机构第一级啮合齿轮原齿厚磨损达15%,其他啮合级齿厚磨损达原齿厚的25%时应报废;开式齿轮传动中的齿轮齿厚磨损达原齿厚的30%时,该齿轮报废。(4)减速器壳体严重变形、裂纹,且无修复价值时,该件报废。八、联轴器1、转动中的联轴器径向跳动或端面跳动是否超出极限。2、联轴器与被连接件间的键有无松动、变形或出槽;键槽有无裂痕和变形,有无滚键。用承剪螺栓连接的联轴器,其螺栓有无松动、脱落和折断,当出现上述情况时,应停机处理。3、带有润滑装置的联轴器的密封装置应完好。4、齿轮联轴器有裂痕、断齿或起升机构和非平衡变幅机构齿轮齿厚磨损量达原齿厚的15%,其他机构齿轮齿厚磨损量达原齿厚的20%,联轴器不能再使用。5、起升机构使用的制动轮联轴器,应加设隔热垫。九、制动器1、制动器架各铰接点经磨损造成松旷,导致无效行程超过抽动驱动装置工作行程的10%时,应对各铰接点进行修理。2、各铰链处的销轴,其直径超过原直径的5%或椭圆度超过0.5mm时,均应更换销轴。更换时,应修整销轴孔,恢复圆度,然后根据孔径配制新的销轴。轴孔直径磨损超过原直径5%时,也应重新修整轴孔,配制新的销轴。3、制动瓦块上摩擦片的磨损超过原厚度的50%,或有缺损和裂纹时,应报废更换新的摩擦片。更换时,铆钉埋入制动摩擦片的尝试应超过原厚度的1/2。4、制动装置的零件出现裂纹时应报废。5、制动弹簧出现塑性变形时应更换。6、起升机构和变幅机构的制动轮,当轮缘厚度磨损达原厚度的40%时,应报废。其他机构的制动轮,轮缘厚度磨损达原厚度的50%时,应报废。7、制动轮的轴孔与传动轴连接的键出现松动时,应更换抽动轮和传动轴。8、制动轮凹凸不平度达1.5mm时,允许修理。修复后轮缘厚度应符合上述第6条的要求时可继续使用,否则应报废。
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