标准手动手杆曲柄绞车葫芦钢丝起重机 3D 模型

描述

The model contains the most popular formats:
1. 3DS MAX: *.max
2. Blender: *.blend
3. Rhinoceros: *.3dm
4. SketchUp: *.skp
5. Wavefront OBJ: *.obj *.mtl (Multi Format)
6. FBX: *.fbx (Multi Format) 
7. STEP: *.step *.stp (NURBS)
8. IGES: *.iges *.igs (NURBS)
9. ACIS: *.sat (NURBS)
10. 3DS MAX all ver.: *.3ds (Multi Format)
11. Stereolithography: *.stl 
12. AutoCAD: *.dwg

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MORE INFORMATION ABOUT 3D MODELS :
STANDARD MANUAL HAND ROTARY/LEVER CRANK WINCH: Robust Lifting & Pulling with Steel Wire Rope Sling & Hook

This describes a dependable and manually operated winch designed for lifting and pulling loads using a steel wire rope sling and hook. Its standard design ensures common functionality and ease of use, relying on human power applied through a rotary crank or lever mechanism.

Key Features and Functionality:

Standard Design: Adheres to common industry practices for manual winches, ensuring familiarity and compatibility.
Manual Operation: Powered solely by human effort applied to a rotary crank or a hand lever. This makes it ideal for situations where power is unavailable or precise, controlled movement is required.
Rotary/Lever Crank: Offers two common methods of manual operation:
Rotary Crank: A rotating handle that provides continuous pulling or lifting power through a gear system.
Hand Lever: A reciprocating lever that advances the cable or rope with each stroke.
Steel Wire Rope: Utilizes a strong and durable steel wire rope as the lifting or pulling medium, offering significant tensile strength and resistance to abrasion.
Sling Cable: The steel wire rope functions as a sling, wrapping around or attaching to the load.
Hook Attachment: Features a sturdy metal hook at the end of the wire rope for secure connection to the load directly or via other lifting/pulling accessories. The hook often includes a safety latch to prevent accidental disengagement.
Gear Mechanism: Incorporates a gear system to provide mechanical advantage, allowing the operator to lift or pull loads that would be impossible with direct manual force. Gear ratios vary depending on the winch's intended capacity.
Drum: The steel wire rope is wound and stored on a rotating drum.   
Brake Mechanism: Typically includes a built-in brake mechanism (e.g., pawl and ratchet) to hold the load securely in position when the handle is released, preventing accidental slipping.   
Durable Construction: Built with robust materials to withstand the stresses of lifting and pulling.
Mounting Options: Designed for secure mounting to a stable surface, such as a wall, post, or vehicle.
Benefits:

Independent Operation: Requires no external power source, making it suitable for remote locations or power outages.
Precise Control: Manual operation allows for very fine and controlled movement of loads.
Robust and Durable: Steel wire rope and sturdy construction ensure a long service life.
Relatively Simple to Maintain: Fewer moving parts compared to powered winches can lead to easier maintenance.
Cost-Effective: Generally less expensive to purchase and operate than electric or hydraulic winches.
Portable (depending on size): Smaller manual winches can be relatively portable.
Potential Applications:

Boat Trailers: Pulling boats onto trailers.
Utility Trailers: Securing and moving loads.
Off-Road Vehicles: Self-recovery and pulling other vehicles.
Construction Sites: Lifting and positioning materials in areas without power.
Workshops and Garages: Lifting engines, machinery parts, and other heavy items.
Theater and Stage Rigging: Lifting and positioning scenery and equipment.
Agricultural Applications: Pulling equipment and lifting loads.
In summary, a standard manual hand rotary/lever crank winch with a steel wire rope sling cable and hook provides a reliable, manually powered solution for lifting and pulling tasks, offering precise control, durability, and independence from external power sources.