Electric Motor Stainless Steel Double Flap Grab

Grab is a tool used by cranes to grab dry bulk cargo. Two or more open and close bucket-shaped jaws are combined to form a container space. The jaws are closed in the material pile during loading, and the materials are caught in the container space, and the jaws are in the pile during unloading. When it is opened in the suspended state, the materials are scattered on the pile. The opening and closing of the jaw plate is generally controlled by the steel wire rope of the crane lifting mechanism. Grab operation without heavy physical labor, can achieve higher loading and unloading efficiency, is the main dry bulk loading and unloading tool in ports

According to the shape, it can be divided into shell-shaped grab and orange petal grab. The former is composed of two complete buckets, and the latter is composed of three or more jaw plates.

Classified by driving method

According to the driving mode, it can be divided into two categories: hydraulic grab and mechanical grab.

1. Hydraulic grab

The hydraulic grab itself is equipped with an opening and closing structure, which is generally driven by a hydraulic cylinder. The hydraulic grab composed of multiple jaw plates is also called a hydraulic claw. The comparison of the application of hydraulic grabs in hydraulic equipment, such as hydraulic excavators and hydraulic crane towers.

The hydraulic grab is a kind of hydraulic structural parts. It consists of hydraulic cylinder, bucket (jaw plate), connecting column, bucket

The ear plate, ear sleeve, bucket teeth, tooth seat and other accessories, so welding is a key manufacturing process of the hydraulic grab, the quality of welding directly affects the structural strength and service life of the hydraulic grab. In addition, the hydraulic cylinder is also a key drive component.

Hydraulic grabs are industrial equipment accessories, high-quality operations, such as: CNC plasma cutting machine, bevel milling machine, plate rolling machine, welding positioner, boring machine, hydraulic test bench, etc.

The hydraulic grab bucket of excavator is divided into two types: rotary and non-rotating. The grab bucket without rotation adopts the oil circuit of the excavator bucket cylinder, and there is no need to add additional hydraulic valve blocks and pipelines; the grab bucket with rotation needs to add one Set hydraulic valve block and pipeline to control.

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