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渣漿泵中滾動(dòng)軸承部件常用結(jié)構(gòu)
(1) 懸臂式泵軸承部件結(jié)構(gòu)
圖5-21是托架式軸承部件結(jié)構(gòu)，托架下方生有底腳，而泵體沒有底腳，而被懸空裝在托架上，用潤(rùn)滑脂潤(rùn)滑軸承。這種結(jié)構(gòu)適用于被輸送液體溫度低于80C，轉(zhuǎn)速低于3000r/min的小功率泵中，當(dāng)托架后部裝有兩個(gè)軸承時(shí)，可用于皮帶傳動(dòng)。
圖5-22是懸架式軸承部件結(jié)構(gòu)，懸架上沒有底腳，而泵體上設(shè)地腳，懸架被懸空裝在泵體上。用潤(rùn)滑油來潤(rùn)滑軸承。懸架下方?jīng)]有冷卻水套，用來冷卻潤(rùn)滑油。如果輸送液體溫度不高時(shí)，可沒有冷卻水套。懸架中，后面裝有一對(duì)角接觸球軸承或其它推力軸承，軸承內(nèi)圈用小圓螺母壓緊在軸承上，軸承外圈與軸承壓蓋間約有0. 1 ~0. 2mm的間隙可用來承受一定的軸向載荷。懸架式軸承部件結(jié)構(gòu)也可以采用風(fēng)冷結(jié)構(gòu)，即懸架下面沒有冷卻水套，而在懸架后面加一個(gè)風(fēng)扇，懸架上帶散熱片，如同電機(jī)的風(fēng)扇結(jié)構(gòu)。懸架式軸承部件結(jié)構(gòu)可以用
以轉(zhuǎn)速較高 、功率較大或被輸送液體體溫超過80°C的情況下。渣漿泵廠家
Common structure of rolling bearing parts in slurry pump
(1) cantilever pump bearing component structure
Figure 5-21 shows the structure of bracket type bearing components. There are feet under the bracket, but the pump body has no feet, so it is suspended on the bracket and lubricated with grease. This kind of structure is suitable for the small power pump with the temperature of the delivered liquid lower than 80C and the rotating speed lower than 3000r / min. when two bearings are installed at the rear of the bracket, it can be used for the belt drive.
Figure 5-22 shows the structure of suspension bearing components. There is no foot on the suspension, while the pump body has foot, and the suspension is suspended on the pump body. Lubricate the bearings with lubricating oil. There is no cooling water jacket under the suspension to cool the lubricating oil. If the temperature of conveying liquid is not high, there is no cooling water jacket. In the suspension, a diagonal contact ball bearing or other thrust bearing is installed at the back. The inner ring of the bearing is pressed on the bearing with a small round nut. There is about 0.1-0.2mm clearance between the outer ring of the bearing and the bearing gland to bear certain axial load. The suspension bearing component structure can also adopt air cooling structure, that is, there is no cooling water jacket under the suspension, and a fan is added at the back of the suspension, and the suspension has a radiator, just like the fan structure of the motor. Suspension bearing component structure can be used
When the rotating speed is high, the power is high or the temperature of the transported liquid exceeds 80 ° C. Slurry pump manufacturer
