渣浆泵联轴器链接都分为那几种

套筒联轴器结构如图5 - 33所示，它就是一个圆简，两轴分别插入，用圆锥销或键(键可以是平键、花键或半圆键)来传递扭矩。套简联轴器一般两轴的直径相同，可以较好的保证两轴同心，并便易加工。当用键来传递扭矩时，一般需加 一个紧定螺钉，来承受轴向载荷。

这种联轴器制造容易，价格便宜，径向尺寸较小:其缺点是传递扭矩较小，常用于立式长轴泵中柔性长轴的连接。
2.凸缘联轴器

凸缘联轴器结构如图5-34所示，它是由两个带凸缘止口的半联轴器用螺栓将两个半联轴器连接在一起。凸缘止口用来保证两轴的同心。两联轴器有键用来传递扭矩。因为凸缘联轴器属刚性连接，要求两轴的同心度较高，所以必须保证两轴同心情况下才能使用。
    这种联轴器结构简单，成本低，能够传递较大的扭矩，应用很广泛。

3.夹壳联轴器

夹壳联轴器结构如图5 -35所示，是由两个半圆简形的夹壳，由螺栓夹紧在轴头上，利用夹紧后夹壳和轴之间的摩擦力来传递扭矩，但对较大功率泵为了可靠起见，夹壳与轴还设有平键。夹壳联轴器也必须严格保证两轴同心情况下才能用。

夹壳联轴器是剖分式的分半联轴器，所以装拆时，轴不需要轴向移动，但安装时，两轴不易很好保证对中。常用于转速较低、运转较平稳的立式泵中。渣浆泵

The coupling links of slurry pump are divided into those kinds

The structure of sleeve coupling is shown in Fig. 5-33. It is a circular simple, two shafts are inserted separately, and the torque is transmitted by taper pin or key (the key can be flat key, spline or semicircle key). In general, the diameter of the two shafts of the sleeve simple coupling is the same, which can better ensure that the two shafts are concentric, and it is easy to process. When the key is used to transmit the torque, a set screw is usually added to bear the axial load.

This kind of coupling is easy to manufacture, cheap in price and small in radial dimension. Its disadvantage is small in transmitting torque. It is often used in the connection of flexible long shaft in vertical long shaft pump.

2. Flange coupling

The flange coupling structure is shown in Figure 5-34. It is composed of two half couplings with flange stop, which are connected together by bolts. Flange stop is used to ensure the concentricity of two shafts. Two couplings have keys to transmit torque. Because flange coupling is rigid connection, the concentricity of two shafts is required to be high, so it can be used only when two shafts are concentric.

This kind of coupling is simple in structure, low in cost, capable of transmitting large torque and widely used.

3. Jacket coupling

As shown in Fig. 5-35, the structure of the jacket coupling is composed of two semicircle simple jacket shells, which are clamped on the shaft head by bolts. The friction between the jacket and the shaft after clamping is used to transfer the torque. However, for the high-power pump, for the sake of reliability, the jacket and the shaft are also provided with flat keys. The jacketed coupling can only be used when the two shafts are concentric.

The jacketed coupling is a split half coupling, so the shaft does not need to move axially during installation and disassembly, but it is not easy to ensure the alignment of the two shafts during installation. It is commonly used in vertical pumps with low speed and stable operation. Slurry pump