本文对2m铣刨机的提升机构进行了研究。
在对2m铣刨机国内外技术现状调研的基础上,选择符合本设计要求的液压齿轮马达,并根据该马达自带的相关参数,计算出输出功率=9.289kW;根据我国路面铣刨作业的具体要求,选择丝杠丝母,并设定相关参数,选择具体型号的丝杠丝母并验算;根据传动比60及设计的具体情况,选择蜗杆减速器,并进行设计计算及校核计算,减速器中心距a=200mm,模数m=5,蜗杆分度圆直径=90mm;联轴器及其他相关连接以及诸如机械的润滑等问题也按设计的顺序进行;根据计算所得的相关数据,进行装配图及零件图的制作。
关键词:铣刨机提升机构蜗杆减速器设计
指导教师签名:
The desig
n of the road milli
ng machi
ne lifti
ng macha
nism Stude
nt
name : Xu Yi
ng Class: 08031643 Supervisor:Yua
n Ni
ng Abstract:With the developme
nt of road tra
nsport, the large milli
ng machi
ne equipme
nt mecha
nical mai
nte
na
nce practices have bee
n widely used i
n Chi
na. Large milli
ng machi
ne lifti
ng mecha
nism ge
nerally rear-wheel i
ndepe
nde
nt hydraulic drive, a
nd the degree of damage to the paveme
nt, milli
ng depth of the layer a
nd the tool so will e
nha
nce the i
nstitutio
nal impact. E
nha
nce the i
nstitutio
n as a support device of the machi
ne a
nd the milli
ng depth of the direct impact factors have become i
ncreasi
ngly importa
nt, improve milli
ng pla
ni
ng quality, has become o
ne of the hotspot directio
n of domestic a
nd foreig
n machi
nery compa
nies a
nd experts. I
n order to improve the use of performa
nce a
nd reliability of the milli
ng machi
ne to e
nsure that the milli
ng machi
ne with higher productio
n efficie
ncy a
nd quality of operatio
ns. 2m milli
ng machi
ne lifti
ng mecha
nism. O
n the basis of research o
n the 2m milli
ng machi
ne tech
nology status quo at home a
nd abroad, Of the desig
n of hydraulic gear motor, a
nd comes u
nder the motor parameters to calculate the output power is 9.289kW; accordi
ng to the specific requireme
nts of the paveme
nt milli
ng operatio
ns, the lead screw mother, a
nd set the releva
nt parameters, select the specific model of the lead screw mother a
nd checki
ng; worm reducer tra
nsmissio
n ratio is 60 a
nd the desig
n, select, a
nd desig
n calculatio
ns a
nd checki
ng calculatio
ns, reducer ce
nter dista
nce a = 200mm, the modulus m = 5, worm pitch circle diameter is 90mm; coupli
ngs a
nd other related co
n
nectio
ns, such as machi
nery lubricatio
n; order of the desig
n accordi
ng to the calculated data, the productio
n of assembly drawi
ngs a
nd part drawi
ngs Keywords: milli
ng machi
ne lifti
ng mecha
nism worm reducer desig
n Sig
nature of Supervisor: 目录 1前言………………………………………………………………… (1) 2提升机构的设计及校核……………………………………………(5) 2.1总体传动方案的设计…………………………………………………………(5) 2.1.1传动方案简图介绍…………………………………………………………(5) 2.1.2传动方案介绍………………………………………………………………(6) 2.2液压马达的选择及输出功率的计算………………………………………… (6) 2.2.1液压马达的选择……………………………………………………………(6) 2.2.2 CMZ2032型马达相关性能参数………………………………………………(6) 2.2.3 CMZ2032型齿轮马达相关计算……………………………………………(7) 2.3、液压齿轮马达输出轴的设计…………………………………………………(7) 2.3.1、材料类型选择:…………………………………………………………(7) 2.3.2、强度计算…………………………………………………………………(7) 2.3.3、轴扭转强度校核…………………………………………………………(8) 2.3.4轴的扭转刚度校核计算………………………………………………… (8) 2.3.5连接问题说明:……………………………………………………………(9) 2.4丝杠丝母的设计………………………………………………………………(9) 2.4.1确定滚珠丝杠副的导程………………………………………………… (9) 2.4.2滚珠丝杠负的载荷及转速计算……………………………………………(9) 2.4.3确定预期额定动载荷…………………………………………………… (9) 2.4.4、按精度要求确定允许的滚珠丝杠的最小螺纹底径d2m…………………(10) 2.4.5、确定预紧力FP……………………………………………………………(11) 2.4.6、D
n值校验…………………………………………………………………(11) 2.4.7、基本轴向额定静载荷Cca验算……………………………………………(11) 2.4.8、滚珠丝杠副临界压缩载荷的效检(验算压杆稳定性)………………(12) 2.4.9丝杠上键的选择及校核………………………………………………… (12) 2.4.10、滚珠丝杠的润滑…………………………………………………………(13) 2.5减速器的应用………………………………………………………………(13) 2.5.1、减速器类型的选择………………………………………………………(13) 2.5.2、蜗杆减速器传动比的确定………………………………………………(13) 2.5.3按齿面接触疲劳强度进行设计………………………………………… (13) 2.5.4蜗杆与涡轮的主要参数与几何尺寸计算…………………………………(15) 2.5.5校核齿根弯曲强度…………………………………………………………(17) 2.5.6、验算效率…………………………………………………………………(18) 2.5.7、蜗杆传动的轮滑………………………………………………………… (18) 2.5.8、蜗杆传动的热平衡计算…………………………………………………(18) 2.5.9蜗杆上键的选择及校核………………………………………………… (19) 2.5.10涡轮的结构形式………………………………………………………… (20) 2.6蜗杆与齿轮马达联轴器的选用…………………………………………… (20) 2.6.1、类型选择…………………………………………………………………(20) 2.6.2、材料选择…………………………………………………………………(20) 2.6.3、载荷计算…………………………………………………………………(20) 2.6.4、类型选择…………………………………………………………………(20) 2.6.5、基本参数和主要尺寸……………………………………………………(21) 2.7蜗杆轴承的选用………………………………………………………………(21) 2.7.1轴承类型选择…………………………………………………………… (21) 2.7.2、材料选择…………………………………………………………………(22) 2.7.3、滚动轴承寿命的计算……………………………………………………(22) 2.7.4、轴承装置的一些说明……………………………………………………(23) 2.7.5、轴承的润滑………………………………………………………………(23) 2.8丝杠轴承的选用…………………………………………………………… (24) 2.8.1、类型选择…………………………………………………………………(24) 2.8.2、确定滚动轴承的当量载荷P………………………………………………(24) 2.8.3、滚动轴承寿命的计算……………………………………………………(24) 2.8.4、轴承装置的一些说明……………………………………………………(25) 2.8.5、轴承的润滑………………………………………………………………(25) 2.9蜗杆减速器箱体的设计………………………………………………………(25) 2.9.1相关尺寸………………………………………………………………… (25) 2.9.2附件……………………………………………………………………… (26) 2.10提升机构的螺纹连接介绍………………………………………………… (27) 2.10.1螺栓连接…………………………………………………………………(28) 2.10.2螺钉连接……………………………………………………………… (28) 2.10.3螺纹连接的防松…………………………………………………………(29) 3、结论…………………………………………………………… (30) 4、主要参考文献…………………………………………………(31) 5、致谢……………………………………………………………(32) 1.前言 路面铣刨机是沥青路面养护施工机械的主要机种之一,主要用于公路、城市道路等沥青砼面层清除拥包、油浪、网纹、车辙等。用路面铣刨机铣削损坏的旧铺层,再铺设新面层是一种最经济的现代化养护方法。 随着公路交通事业的发展,以大型铣刨机为主要设备的机械化养护作业方式已经在我国广泛采用。目前我国大型铣刨机提升机构一般都采用后轮独立液压驱动,而路面的损坏程度、铣削层的深度以及刀具的情况等都会对提升机构产生影响。
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n of the road milli
ng machi
ne lifti
ng macha
nism Stude
nt
name : Xu Yi
ng Class: 08031643 Supervisor:Yua
n Ni
ng Abstract:With the developme
nt of road tra
nsport, the large milli
ng machi
ne equipme
nt mecha
nical mai
nte
na
nce practices have bee
n widely used i
n Chi
na. Large milli
ng machi
ne lifti
ng mecha
nism ge
nerally rear-wheel i
ndepe
nde
nt hydraulic drive, a
nd the degree of damage to the paveme
nt, milli
ng depth of the layer a
nd the tool so will e
nha
nce the i
nstitutio
nal impact. E
nha
nce the i
nstitutio
n as a support device of the machi
ne a
nd the milli
ng depth of the direct impact factors have become i
ncreasi
ngly importa
nt, improve milli
ng pla
ni
ng quality, has become o
ne of the hotspot directio
n of domestic a
nd foreig
n machi
nery compa
nies a
nd experts. I
n order to improve the use of performa
nce a
nd reliability of the milli
ng machi
ne to e
nsure that the milli
ng machi
ne with higher productio
n efficie
ncy a
nd quality of operatio
ns. 2m milli
ng machi
ne lifti
ng mecha
nism. O
n the basis of research o
n the 2m milli
ng machi
ne tech
nology status quo at home a
nd abroad, Of the desig
n of hydraulic gear motor, a
nd comes u
nder the motor parameters to calculate the output power is 9.289kW; accordi
ng to the specific requireme
nts of the paveme
nt milli
ng operatio
ns, the lead screw mother, a
nd set the releva
nt parameters, select the specific model of the lead screw mother a
nd checki
ng; worm reducer tra
nsmissio
n ratio is 60 a
nd the desig
n, select, a
nd desig
n calculatio
ns a
nd checki
ng calculatio
ns, reducer ce
nter dista
nce a = 200mm, the modulus m = 5, worm pitch circle diameter is 90mm; coupli
ngs a
nd other related co
n
nectio
ns, such as machi
nery lubricatio
n; order of the desig
n accordi
ng to the calculated data, the productio
n of assembly drawi
ngs a
nd part drawi
ngs Keywords: milli
ng machi
ne lifti
ng mecha
nism worm reducer desig
n Sig
nature of Supervisor: 目录 1前言………………………………………………………………… (1) 2提升机构的设计及校核……………………………………………(5) 2.1总体传动方案的设计…………………………………………………………(5) 2.1.1传动方案简图介绍…………………………………………………………(5) 2.1.2传动方案介绍………………………………………………………………(6) 2.2液压马达的选择及输出功率的计算………………………………………… (6) 2.2.1液压马达的选择……………………………………………………………(6) 2.2.2 CMZ2032型马达相关性能参数………………………………………………(6) 2.2.3 CMZ2032型齿轮马达相关计算……………………………………………(7) 2.3、液压齿轮马达输出轴的设计…………………………………………………(7) 2.3.1、材料类型选择:…………………………………………………………(7) 2.3.2、强度计算…………………………………………………………………(7) 2.3.3、轴扭转强度校核…………………………………………………………(8) 2.3.4轴的扭转刚度校核计算………………………………………………… (8) 2.3.5连接问题说明:……………………………………………………………(9) 2.4丝杠丝母的设计………………………………………………………………(9) 2.4.1确定滚珠丝杠副的导程………………………………………………… (9) 2.4.2滚珠丝杠负的载荷及转速计算……………………………………………(9) 2.4.3确定预期额定动载荷…………………………………………………… (9) 2.4.4、按精度要求确定允许的滚珠丝杠的最小螺纹底径d2m…………………(10) 2.4.5、确定预紧力FP……………………………………………………………(11) 2.4.6、D
n值校验…………………………………………………………………(11) 2.4.7、基本轴向额定静载荷Cca验算……………………………………………(11) 2.4.8、滚珠丝杠副临界压缩载荷的效检(验算压杆稳定性)………………(12) 2.4.9丝杠上键的选择及校核………………………………………………… (12) 2.4.10、滚珠丝杠的润滑…………………………………………………………(13) 2.5减速器的应用………………………………………………………………(13) 2.5.1、减速器类型的选择………………………………………………………(13) 2.5.2、蜗杆减速器传动比的确定………………………………………………(13) 2.5.3按齿面接触疲劳强度进行设计………………………………………… (13) 2.5.4蜗杆与涡轮的主要参数与几何尺寸计算…………………………………(15) 2.5.5校核齿根弯曲强度…………………………………………………………(17) 2.5.6、验算效率…………………………………………………………………(18) 2.5.7、蜗杆传动的轮滑………………………………………………………… (18) 2.5.8、蜗杆传动的热平衡计算…………………………………………………(18) 2.5.9蜗杆上键的选择及校核………………………………………………… (19) 2.5.10涡轮的结构形式………………………………………………………… (20) 2.6蜗杆与齿轮马达联轴器的选用…………………………………………… (20) 2.6.1、类型选择…………………………………………………………………(20) 2.6.2、材料选择…………………………………………………………………(20) 2.6.3、载荷计算…………………………………………………………………(20) 2.6.4、类型选择…………………………………………………………………(20) 2.6.5、基本参数和主要尺寸……………………………………………………(21) 2.7蜗杆轴承的选用………………………………………………………………(21) 2.7.1轴承类型选择…………………………………………………………… (21) 2.7.2、材料选择…………………………………………………………………(22) 2.7.3、滚动轴承寿命的计算……………………………………………………(22) 2.7.4、轴承装置的一些说明……………………………………………………(23) 2.7.5、轴承的润滑………………………………………………………………(23) 2.8丝杠轴承的选用…………………………………………………………… (24) 2.8.1、类型选择…………………………………………………………………(24) 2.8.2、确定滚动轴承的当量载荷P………………………………………………(24) 2.8.3、滚动轴承寿命的计算……………………………………………………(24) 2.8.4、轴承装置的一些说明……………………………………………………(25) 2.8.5、轴承的润滑………………………………………………………………(25) 2.9蜗杆减速器箱体的设计………………………………………………………(25) 2.9.1相关尺寸………………………………………………………………… (25) 2.9.2附件……………………………………………………………………… (26) 2.10提升机构的螺纹连接介绍………………………………………………… (27) 2.10.1螺栓连接…………………………………………………………………(28) 2.10.2螺钉连接……………………………………………………………… (28) 2.10.3螺纹连接的防松…………………………………………………………(29) 3、结论…………………………………………………………… (30) 4、主要参考文献…………………………………………………(31) 5、致谢……………………………………………………………(32) 1.前言 路面铣刨机是沥青路面养护施工机械的主要机种之一,主要用于公路、城市道路等沥青砼面层清除拥包、油浪、网纹、车辙等。用路面铣刨机铣削损坏的旧铺层,再铺设新面层是一种最经济的现代化养护方法。 随着公路交通事业的发展,以大型铣刨机为主要设备的机械化养护作业方式已经在我国广泛采用。目前我国大型铣刨机提升机构一般都采用后轮独立液压驱动,而路面的损坏程度、铣削层的深度以及刀具的情况等都会对提升机构产生影响。
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