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Industry News
NEWS
- Selection of requirements and grade determination of serpentine spring coupling
- Pay attention to the problems and scope of application when installing the star coupling
- Heat treatment status and disassembly work of star coupling
- The phenomenon that the elastic pin coupling is prone to long processing time
- Talking about the Analysis of the Damage Causes of the Star Coupling
MLL plum blossom type elastic coupling with brake wheel
TAG
MLL型带制动轮梅花型弹性联轴器主要由两个带凸齿密切啮合并承受径向挤压以传递扭矩,当两轴线有相对偏移时,弹性元件发生相应的弹性变形,起到自动补偿作用。
2.Plum-shaped elastic coupling主要适用于起动频繁、正反转、中高速、中等扭矩和要求高性的工作场合,例如:冶金、矿山、石油、化工、起重、运输、轻工、纺织、水泵、风机等。工作环境温度-35℃~+80℃,传递公称扭矩25~12500Nm,许用转速1500~15300r/min。
3.与其它联轴器相比,MLL型带制动轮梅花型弹性联轴器具有以下特点:
(1) Stable work, with good vibration damping, buffering and electrical insulation properties.
(2) Simple structure, small radial size, light weight, small moment of inertia, suitable for medium and high speed occasions.
(3) It has large axial, radial and angular compensation capabilities.
(4) Polyurethane elastic elements are resistant to oil, have large carrying capacity and long service life.
(5) The coupling does not need to be lubricated, the maintenance workload is small, and it can run continuously for a long time.
MLL型带制动轮梅花型弹性联轴器在安装调整的过程注意事项:
MLL型带制动轮梅花型弹性联轴器在现场安装时,受条件限制,用于调整水平的垫铁大多是不同厚度的铁板。在使用时,要把铁板边缘的毛刺、焊渣等杂物去除干净,以防各部件在调整好后,由于振动等原因,造成杂物破碎,垫铁支承不牢,部件下沉或位置改变,使各梅花联轴器的同心度发生变化,造成设备安装精度达不到要求。一般在调整达到要求后,把垫铁焊成一体。
MLL型带制动轮梅花型弹性联轴器在安装时,先安装滚筒部件,然后以滚筒主轴为基准轴,测量减速器输出轴与滚筒主轴的同心度。在减速器部件调整达到要求后,以减速器输入轴为基准轴,测量电机轴的同心度。不过对于,因为减速器输入轴上安装的是制动轮梅花联轴器,电机与制动器都安装在电机底座上。在调整电机轴之前,要先以制动轮的表而为基准,把制动器上的闸瓦调整好后,再调整电机轴与减速器输入轴的同心度。
若在地脚螺栓紧固之前检测梅花联轴器的同心度,则调整好后,不必急于拆掉测量工具。因为在紧固地脚螺栓的过程中,由于紧固方法不当,或者地脚螺栓附近的垫铁没有支撑实在等原因,会造成紧固后安装精度发生变化。一般要求,紧固后再检测一遍,或者边紧固,边检测,以满足两轴的同心度。
MLL型带制动轮梅花型弹性联轴器技术参数:
model | Permissible torque MP/(N·m) | Allowable speed mp/(r·min) | Axle hole diameter>d1/mm, d2/mm, d3/mm | Length of shaft hole | L0>mm | D0>mm | B>mm | D>mm | D1>mm | d0>mm | h>mm | Moment of inertia>kg·m2 | Mass>kg | Allowable displacement | |||||
Elastic part hardness HA | Y type | J, Z type | |||||||||||||||||
≥75 | ≥85 | ≥94 | L>mm | L1>mm | Radial>mm | Axial>mm | Angular | ||||||||||||
MLL4-Ⅰ-160 | 140 | 250 | 400 | 4750 | 25,28 | 62 | 44 | 151 | 160 | 70 | 105 | 72 | 100 | 20 | 2.0 | 8.5 | 0.8 | 2.5 | 2°00` |
30,32,35,38 | 82 | 60 | 191 | ||||||||||||||||
40,42 | 112 | 84 | 251 | ||||||||||||||||
MLL4-Ⅰ-200 | 3800 | 25,28 | 62 | 44 | 151 | 200 | 85 | 3.8 | 9.5 | ||||||||||
30,32,35,38 | 82 | 60 | 191 | ||||||||||||||||
40,42 | 112 | 84 | 251 | ||||||||||||||||
MLL5-Ⅰ-200 | 250 | 400 | 800 | 3800 | 30,32,35,38 | 82 | 60 | 197 | 200 | 85 | 125 | 90 | 122 | 25 | 5.75 | 13.8 | 1.0 | 3.0 | 1°30` |
40,42,45,48 | 112 | 84 | 257 | ||||||||||||||||
MLL6-Ⅰ-200 | 400 | 630 | 1120 | 3800 | 35,38 | 82 | 60 | 203 | 200 | 85 | 145 | 104 | 140 | 30 | 6.70 | 16.7 | |||
40,42,45,48,50,55 | 112 | 84 | 263 | ||||||||||||||||
MLL6-Ⅰ-250 | 3050 | 35,38 | 82 | 60 | 203 | 250 | 105 | 13.50 | 21.7 | ||||||||||
40,42,45,48,20,55 | 112 | 84 | 263 | ||||||||||||||||
MLL7-Ⅰ-250 | 710 | 1120 | 2240 | 3050 | 45,48,50,55 | 112 | 84 | 265 | 250 | 105 | 170 | 130 | 166 | 30 | 15.25 | 26.3 | 3.5 | ||
60,63,55 | 142 | 107 | 325 | ||||||||||||||||
MLL7-Ⅰ-315 | 710 | 1120 | 2240 | 2400 | 45,48,50,55 | 112 | 84 | 265 | 315 | 135 | 170 | 35.0 | 34.7 | ||||||
60,63,65,70,71,75 | 142 | 107 | 325 | ||||||||||||||||
MLL8-Ⅰ-315 | 1120 | 1800 | 3550 | 2400 | 50,55 | 112 | 84 | 272 | 315 | 135 | 200 | 156 | 196 | 35 | 45.9 | 47.3 | 1.5 | 4.0 | |
60,63,65,70,71,75 | 142 | 107 | 332 | ||||||||||||||||
MLL8-Ⅰ-400 | 1900 | 50,55 | 112 | 84 | 272 | 400 | 170 | 98.0 | 61.3 | ||||||||||
60,63,65,70,71,75 | 142 | 107 | 332 | ||||||||||||||||
MLL9-Ⅰ-400 | 1800 | 2800 | 5600 | 1900 | 60,63,65,70,71,75 | 142 | 107 | 334 | 400 | 170 | 230 | 180 | 225 | 35 | 132.5 | 84 | 4.5 | 1°00` | |
80,85,90,95 | 172 | 132 | 394 | ||||||||||||||||
MLL9-Ⅰ-500 | 1800 | 2800 | 5600 | 1500 | 60,63,65,70,72,75 | 142 | 107 | 334 | 500 | 210 | 230 | 270 | 108 | ||||||
80,85,90,95 | 172 | 132 | 394 | ||||||||||||||||
MLL10-Ⅰ-500 | 2800 | 4500 | 9000 | 1500 | 70,71,75 | 142 | 107 | 344 | 500 | 210 | 260 | 205 | 255 | 45 | 330 | 132 | 5.0 | ||
80,85,90,95 | 172 | 132 | 394 | ||||||||||||||||
100,110 | 212 | 167 | 484 | ||||||||||||||||
MLL11-Ⅰ-630 | 4000 | 6300 | 12500 | 1200 | 80,85,90,95 | 172 | 132 | 411 | 630 | 265 | 300 | 245 | 295 | 50 | 782 | 197 | 1.8 | ||
100,110 | 212 | 167 | 484 | ||||||||||||||||
MLL12-Ⅰ-710 | 7100 | 11200 | 20000 | 1050 | 90,95 | 172 | 132 | 417 | 710 | 300 | 360 | 300 | 356 | 55 | 1069 | 212 | |||
100,110,120,125 | 212 | 167 | 497 | ||||||||||||||||
130 | 252 | 202 | 577 | ||||||||||||||||
MLL13-Ⅰ-800 | 8000 | 12500 | 25000 | 950 | 100,110,120,125 | 212 | 167 | 497 | 800 | 340 | 400 | 335 | 391 | 55 | 1920 | 294 | |||