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托辊的作用是支撑输送带和物料重量
托辊是带式输送机的重要部件,种类多,数量大。它占了一台带式输送机总成本的35%,产生了70%以上的阻力,因此托辊的质量尤为重要。
Idler is an important part of belt conveyor, which has many kinds and large quantity. It accounts for 35% of the total cost of a belt conveyor and produces more than 70% resistance, so the quality of idler is particularly important.
托辊的作用是支撑输送带和物料重量。托辊运转必须灵活可靠。减少输送带同托辊的摩擦力,对占输送机总成本25%以上的输送带的寿命起着关键作用。保定平面设计培训 保定空调维修 保定管道通风 包装盒定做 化粪池模具 废旧电缆回收 不锈钢铸件 虽然托辊在带式输送机中是一个较小部件,结构并不复杂,但制造出高质量的托辊并非易事。
The role of the roller is to support the conveyor belt and material weight. The roller must be flexible and reliable. Reducing the friction between the conveyor belt and the roller plays a key role in the service life of the conveyor belt which accounts for more than 25% of the total cost of the conveyor. Although the idler is a small part of belt conveyor and its structure is not complicated, it is not easy to produce high-quality idler.
判断托辊好坏的标准有以下几条:托辊径向跳动量;托辊灵活度;轴向窜动量。
There are several criteria to judge the quality of idler: radial runout of idler; flexibility of idler; axial displacement.
托辊的基本类型
Basic types of idlers
托辊是带式输送机的重要部件,种类多,数量大。作用是支承皮带,减少皮带运行阻力,并使皮带的垂直度不超过一定限度以保证皮带平稳地运行。
Idler is an important part of belt conveyor, which has many kinds and large quantity. The function is to support the belt, reduce the running resistance of the belt, and make the perpendicularity of the belt not exceed a certain limit, so as to ensure the smooth operation of the belt.
托辊按其用途分类为调心托辊、缓冲托辊、槽形托辊、平行托辊。调心托辊的作用是纠正带式输送机的跑偏,通常输送机的重载段上安装回转式槽形调心托辊,空载段上安装平行调心托辊。缓冲托辊是根据实际情况应用于机尾架上的,受料时,可以降低物料对皮带的冲击,有利于沿长皮带的使用寿命。槽形托辊一般由两个侧托辊和一个平托辊组成,槽角度一般为30度,对于可拆卸式的带式输送机,槽形托辊的三个托辊互相铰接在一起,故称铰接托辊。平行托辊一般为一个长辊,它安装在承受压力的下端故称下托辊。
The idlers are classified into centering idler, buffer idler, grooved idler and parallel idler. The function of self-aligning idler is to correct the deviation of belt conveyor. Generally, the rotary groove type self-aligning idler is installed on the heavy-duty section of the conveyor, and the parallel self-aligning idler is installed on the no-load section of the conveyor. The buffer idler is applied to the tail frame according to the actual situation. When receiving the material, it can reduce the impact of the material on the belt, which is beneficial to the service life of the belt along the length. The groove idler is generally composed of two side idlers and one flat idler, and the groove angle is generally 30 degrees. For the removable belt conveyor, the three idlers of the trough idler are hinged together, so they are called articulated idler. The parallel idler is generally a long roller, which is installed at the lower end of the pressure, so it is called the lower idler.

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