为某公司提供工程翻译气动振打系统服务（英语翻译）

（1）Rapping track

The rapping track is used for installing and supporting components of rapping rod, which shall be welded to membrane type wall or backplate. The rapping track has circular holes, which corresponds to open pores of membrane type wall or backplate.

（2）Components of rapping rod

The components of rapping rod are installed onto rapping track,

（3）Rapping dolly

The horizontal pass of evaporator, superheater and economizer has different structure, namely, membrane wall or protection plate structure. As membrane wall and protection plate of horizontal pass are connected by expansion joint, each side needs to have two rapping dollies. See the table below for the position of rapping dollies.

No. Name Posiiton

1 Rapping dolly 1(QTC-T1) Membrane wall structure area of horizontal pass on the right side

2 Rapping dolly 2(QTC-T2) Protection plate structure area of horizontal pass on the right side

3 Rapping dolly 3(QTC-T3) Membrane wall structure area of horizontal pass on the left side

4 Rapping dolly 4(QTC-T4) Protection plate structure area of horizontal pass on the left side

（4） Walking track of rapping dolly

The raping dollies are installed on the two waking tracks, and both ends of waling tracks are equipped with travel switch, indicating the starting point and end point of rapping dolly.

（5） Positioning track of rapping point

The system sets positioning track for rapping point, and the positioning of rapping point is realized by the travel switch on the rapping dollies.

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（1）振打轨道

振打轨道用于安装和支撑振打杆组件，需要焊接在膜式壁或护板上，振打轨道上开有圆孔，对应膜式壁或护板上的开孔。

（2）振打杆组件

振打杆组件安装在振打轨道上，一端紧贴集箱端面，另一端伸出锅炉膜式壁或护板之外，此端是振打小车气缸活塞的击打部位，本系统共设置258套振打杆组件。

（3）振打小车

蒸发器、过热器区域水平烟道以及省煤器区域水平烟道采用的结构不同，即膜式壁结构或护板结构，由于水平烟道的膜式壁结构区域与护板结构区域之间由膨胀节连接，因此每侧需要布置两个振打小车。振打小车位置见下表：

序号名称位置

1 振打小车1(QTC-T1) 右侧水平烟道的膜式壁结构区域

2 振打小车2(QTC-T2) 右侧水平烟道的护板结构区域

3 振打小车3(QTC-T3) 左侧水平烟道的膜式壁结构区域