Seamless steel pipe production line of the main cooling bed type

Seamless steel pipe production line of the main cooling bed types have Single strand cooling bed, Duplexes cooling bed, New Chain cooling bed, Stepping rack type cooling bed and Screw type cooling bed.

1. The single-stranded cooling bed

Single strand cooling bed more adopts climbing structure. Cooling bed composed by forward transport chain and fixed rail, with a set of transmission. Steel pipe placed in the forward transport chain, fixed rail bear the weight of steel. Single-stranded cooling bed use driving force of forward transport chain and friction of fixed rail to rotate the steel pipe, while relying on steel weight and the angle of lift, to make the pipe always closed in the forward transport chain, achieving steel tube rotates smoothly.

2. Duplexes cooling bed

Duplexes cooling bed composed by the forward and reverse transport chain, forward and reverse chain with a set of transmission. Steel pipe placed in the forward transport chain, reverse chain bears the weight of steel. It use driving force of forward transport chain to run pipe, and using the friction of reverse chain to make the steel pipe carry on a continuous rotational movement. Movement of the reverse link makes the pipe always closed in the forward transport chain, achieving steel tube rotates smoothly and uniform cooling.

3. The new chain cooling bed

A combination of the characteristics of single-stranded and double-stranded cooling bed, the cooling bed is divided into uphill and downhill sections. Uphill section is a double-stranded structure composed by forward and reverse transport chain, positive and negative interaction together to make steel continuous rotation and forward, doing climbing movement. Downhill section is a single chain structure composed by the forward transport chain and steel rails, relying on weight to achieve rotation and landslide movement.

4. Screw type cooling bed

Screw-type cooling bed is composed by gearing, screw and fixed cooling stand and so on, screw including screw rod core and screw spirals. Fixed cooling bench face is higher than top of screw rod core and below screw spirals, the weight of steel bear by fixed cooling stand. Main gearing driven screw synchronously rotating, screw spirals pushed steel to roll forward in fixed cooling bench.

Single-strand cooling bed is not suitable for continuous operation, duplexes cooling bed has a better effect, New Chain cooling bed has a good effect and low cost, Stepping rack type cooling bed is generally used in large or high configuration of production line, Screw-type cooling bed for cooling generally smaller diameter of the pipe.

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