Shanghai ENJUE Machinery Equipment Co., Ltd is one of the most experienced manufacturers and suppliers of single rope open touch down grabs in China. If you're going to buy custom single rope open touch down grabs made in China, welcome to get more information from our factory. For price consultation, contact us.
The Enjue single rope touch-down mechanical grab bucket is an ideal accessory for single-drum cranes, especially suitable for operation scenarios without an external power supply. With its superior penetration and leak-proof design, this single-rope touch-down grab bucket can efficiently handle iron ore, soda ash, coal, sand, gravel, and various bulk granular materials. Its unique self-locking and self-unloading mechanism allows operators to control the grabbing and releasing process via the crane precisely, ensuring operational safety and efficiency.
Customized Solutions
We offer customized single-rope touch-down grab bucket services perfectly tailored to customer needs, covering the following core parameters:
Lifting Capacity Adaptation: Grab bucket structure designed according to the crane-rated load
Material Density Optimization: Strength verification for the typical bulk material density of 3.0 tons/cubic meter
Volume Range: Up to 6 cubic meters to meet large-scale operation needs
Wire Rope Selection: 6×36 high-flexibility structure, galvanized for adaptability to various harsh environments (standard diameter 16-32mm)
Lightweight and High-Strength Design of The Enjue Single Rope Open Touch Down Grabs
By optimizing the weight-to-volume ratio, the crane's safe working load (SWL) is maximized while ensuring structural strength. The single rope open touch-down grab bucket body is made of low-carbon steel, and key components undergo special heat treatment to achieve a hardness of 220-260 BHN, resulting in low friction and long service life.
Fully Automatic Closing System
Equipped with a four-stage mechanical linkage device:
Positioning Stage: The single rope grab bucket descends vertically onto the material pile surface in an open state.
Triggering Stage: After the grab bucket touches the bottom, the hook continues to lower, slackens the wire rope, and triggers the internal locking mechanism to enter the closed preparation state.
Grabbing Stage: When the hook is raised, the grab bucket jaws automatically close under the action of mechanical levers, generating a grabbing force of up to several tons.
Release Stage: After the grab bucket full of material is moved to the discharge point, the wire rope is slacked again to reset the locking mechanism, and the jaws automatically open during lifting.
| Item | Specs |
|---|---|
| Volume | ≤6 m³ |
| Applicable stock density | ≤3.0 t/m³ |
| Closing | Fully mechanical automatic closing |
| Main material | High-quality carbon steel (surface anti-corrosion treatment) |
| Operation mode | Single-rope control (no hydraulic/electric drive required) |
Workflow Analysis of the single rope open touch-down mechanical grab
Precise Positioning: The operator controls the crane to vertically lower the mechanical grab bucket onto the material surface, ensuring the jaws are fully extended.
Deep Grab: After bottoming out, the wire rope continues to release, activating the internal mechanical linkage to enter the closing preparation state.
Powerful Closing: During the lifting process, the single rope open touch-down mechanical grabs form a sealed cavity under the combined action of gravity and the mechanical structure.
Intelligent Release: Upon reaching the discharge point, the locking mechanism is reset by briefly slackening the wire rope, achieving automatic unloading.
Our Enjue mechanical grabs, through precise mechanical engineering design, achieve highly efficient operation even without external power. Their modular design supports rapid maintenance and component replacement, significantly reducing equipment downtime. We provide end-to-end services from solution design to installation and commissioning, ensuring that each piece of equipment perfectly matches the specific working conditions of our clients.
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