Automatic grapple

Abstract

The invention discloses an automatic grapple, which comprises a hanging beam and a guiding mechanism arranged at two ends of the hanging beam, a herringbone pull bar is connected to the hanging beam, two grasping mechanisms are fixedly connected at left and right sides of the hanging beam by a symmetrical mode, the grasping mechanism comprises a n-shaped door frame, the grooves are arranged at the left and right surfaces of two columns of the door frame, a claw coupled with a gate hanger aperture is hinged into the groove of the column in the door frame, a hang ring is arranged at one end of the claw, a block for avoiding the rotation of the claw is arranged in the groove of the column outside the door frame, a linkage mechanism is hinged to central section of the hanging beam, one extension spring is connected to two ends of the linkage mechanism, and a hook of the extension spring is matched with a ring at one end of claw. The automatic grapple has the advantages of simple and reasonable structure, less intermediate transmission link, less fault, long life, safe and reliable usage, low cost and comprehensive function.

Description

technical field [0001] The invention relates to a grapple, in particular to an automatic grapple used for gate lifting. Background technique [0002] The automatic grab hook is a special lifting device, which is used for the opening and closing of multi-hole flat gate, filter screen or grille and other equipment, and is also used for single culvert The opening and closing of the multi-block stacking beam gate can realize the whole process of automatically grabbing the gate and automatically dropping the gate. [0003] As a special spreader, the automatic grab hook is widely used in water conservancy projects. The traditional automatic grab hook mainly consists of guiding mechanism, hanging beam, limit device, pull rod, connecting rod mechanism, steering structure and hook. It cooperates with lifting equipment to open and close the gate. It relies on the gravity of the working hammer. The hook is driven by the link mechanism to grasp or take off. Although it has a simple st...

AI Technical Summary

Problems solved by technology

The traditional automatic grab hook mainly consists of guiding mechanism, hanging beam, limit device, pull rod, connecting rod mechanism, steering structure, and hook. It cooperates with lifting equipment to open and close the gate. It relies on the gravity of the working hammer. The hook is driven by the link mechanism to grasp or take off. Although it has a simple structure and few movements, it has many transmission links in the middle and is unreliable to use. Causes damage such as twisting of the hook, breaking of the connecting rod, etc., which in turn affects the lifting of the entire gate. The problem is even worse when the traditional automatic grab hook is not used for a long time or the gate is lifted in deep water.

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