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手提式液压胀管机的结构特点：

结构形式：采用卧式布置，设备由胀接头、扩口器、液压站、电气控制箱、龙门架、平衡器六大部份组成。四根高压软管和二根控制电缆使它们成了一个完整体系。

1.胀接头：主要有机体、摆线油马达、传动齿轮、滚压齿轮、导钳装置和胀杆总成等组成。工作时，导钳夹住铜管或铝管，胀头装在胀杆上，油马达通过传动齿轮及滚压齿轮副推动胀杆前进或后退进行胀管。

2.扩口器：它由液压缸与扩口弹性套等部件组成，油缸推动圆锥杆、扩口弹性套进行扩口，为胀管作准备。

3.液压站：由油箱、油泵、电磁换向阀、油泵电机、溢流阀以及其它液压附件等组成，它为胀接头与扩口器提供液压动力。

4.龙门架与平衡器：该装置悬挂胀接头，使它能轻松地上下、左右移动，确保胀管顺利进行。

英文简介; The portable expander is comprised of Expander Header, Flare Unit, Hydraulic Station, Electric Control Panel, Column Frame and Balancer. All devices integrate completely system by four high pressure hose and two controlling cable

A Portable Expander is a key equipment for large fin tube coil expanding process with desired expander bullet size with correct interference fitting tolerance. Expanding Header it is consist of machine body, cycloid hydraulic pump, transmission gears, rolling gears, flare clamp device and expanding rod and so on.

The expanding process first,Flare Clamp clip or hold the Copper Tube or Aluminum Tube, correct size expanding bullets install on the expanding rod, Hydraulic pump drives the expanding roll forward or backward for coil expanding through transmission gears and rolling gears.

Flare Unit it is consist of the hydraulic cylinder and flexible expanding sleeve.

Hydraulic Cylinder puch taper bar and flexible expanding sleeve to effect flare cooper tube or aluminum tube, which prepare for copper tube or aluminum tube expanding.

Hydraulic Station it is composed with hydraulic tank, hydraulic pump, electromagnetism direction valve, hydraulic motor, overflow valve and other hydraulic accessories. It provides hydraulic power for Expanding Header and Flare Unit.

Column Frame and Balance this part is used for hanging the Expanding Header to allow to move freely up-down and left or right, which guarantee Portable Expander expands smoothly with high efficiency.