Portable Jib Crane

What is a Portable Jib Crane?

As the name suggests, its key feature is its portability. A portable jib crane consists of a vertical mast, a horizontal boom (or jib) that can rotate, and a heavy base.

The main difference from a fixed jib crane is that it doesn't require being bolted to the floor. Instead, the base acts as a counterweight to keep the crane stable while in use, and it is often designed with built-in fork pockets, allowing it to be easily picked up and moved by a forklift.

 

Key Features and Specifications

Design: The core structure includes the rotating boom and mast. Rotation can be up to 360 degrees, covering a wide work area.

Capacity and Reach: Many portable jib cranes are designed for lighter loads. Common capacities are 500 lbs , with some models handling up to 1,000 lbs with shorter booms . Boom lengths can range from 8 to 20 feet.

Mobility: They are moved using a forklift or pallet jack by inserting forks into the base's fork tubes.

Construction: Typically made from heavy-duty steel and can weigh over 300 kg depending on the size and capacity.

 

When to Use a Portable Jib Crane

This type of crane is best suited for specific situations where a permanent crane isn't practical:

Changing Factory Layouts: If your workshop or plant layout is frequently reconfigured, a portable jib crane can be moved to wherever the work is happening.

Leased or Sensitive Floors: For facilities where you cannot or do not want to bolt a crane to the floor, a portable base avoids costly and permanent modifications.

Freeing Up Forklifts: If your forklifts are constantly being used for small, repetitive lifting tasks, a jib crane can handle those jobs and allow your forklifts to focus on larger material transport.

Space-Constrained Areas: Compared to a portable gantry crane, a jib crane has a much smaller footprint, with only one base taking up floor space. This makes it easier to use in tight workshops or along narrow aisles.

 

1. Exceptional Mobility and Flexibility
This is the defining characteristic of a portable jib crane. Its base features built-in fork pockets, allowing it to be easily picked up and moved by a forklift or pallet jack.This enables a single crane to serve multiple workstations, making it ideal for facilities with frequently changing layouts.

2. Stable, Installation-Free Base
Unlike fixed jib cranes, portable models require no floor bolting.Their stability is provided by a heavy, often concrete-filled counterweight base that prevents tipping during lifts.This "plug-and-play" design means they can be set up on any solid, level concrete surface and used almost immediately without costly, permanent modifications to the building.

3. Comprehensive Working Coverage
The boom (or jib) on these cranes typically offers 360 degrees of rotation. This allows the crane to cover a full circular area around its base, providing excellent reach and the ability to position loads precisely with minimal effort.

4. Reliable Load Capacity and Durable Build
Portable jib cranes are constructed from heavy-duty welded steel for long-lasting, safe use in demanding industrial environments.Load capacities vary, with common models supporting from 500 lbs up to 2,000 lbs.It is important to remember that the lifting capacity is often inversely related to the boom length: the longer the reach, the lower the maximum load.

5. Flexible Hoist Options
The crane itself does not include a lifting device.This allows you to outfit it with the best tool for your specific application.Options include manual chain hoists for simple tasks, electric hoists (110V or 3-phase) for higher efficiency, or pneumatic hoists for environments where spark-proof operation is necessary.They are also compatible with other tools like vacuum lifters for handling non-porous materials.

6. Space-Saving Compact Design
Compared to other mobile solutions like portable gantry cranes, a portable jib crane has a minimal footprint, taking up very little floor space.This makes it perfect for use in tight workshops, along narrow aisles, or in areas where space is at a premium.

7. Valuable Optional Features
Beyond the standard features, manufacturers often offer a range of optional upgrades. For instance, electric-powered boom rotation can be added to further ease the physical strain on operators and increase efficiency. Another notable design is the articulating jib crane, which features a foldable arm. This enables precise maneuvering in complex spaces and around obstacles, ideal for loading CNC machines or handling expensive tooling.

 

 

 

A floor-mounted jib crane is composed of several key parts and components that work together to facilitate efficient lifting and material handling. The specific design and components may vary among manufacturers, but the following list outlines the common parts you can find in a typical floor-mounted jib crane:

• Base/Foundation: The foundation or base is the lowermost part of the crane, securely anchored to the floor to provide stability and support for the entire structure.
• Column/Pillar: The vertical column or pillar extends from the base and supports the rotating jib arm. It is an integral part of the crane's structure, providing stability.
• Jib Arm: The horizontal jib arm is the projecting part of the crane that extends from the column. It can rotate 360 degrees, allowing for flexible movement and positioning of loads.
• Hoist Trolley: The hoist trolley is mounted on the boom and moves along its length. It houses the hoisting mechanism and facilitates the vertical movement of the load.
• Hoist Mechanism: The hoist mechanism is responsible for lifting and lowering the load. It typically includes an electric or manual hoist, a motor, and a set of pulleys and cables.
• Control System: The control system consists of buttons, levers, or a remote control device that allows the operator to control the movement of the crane, including hoisting, lowering, and the rotation of the jib arm.
• Rotation Mechanism: A rotating mechanism allows the jib arm to rotate 360 degrees, providing the crane with the ability to cover a wide area. This can be manual or powered, depending on the crane design.
• Electrical Components: Electrical components, including wiring, connectors, and safety features, are integrated into the crane to ensure proper functioning and compliance with safety standards.
• Limit Switches: Limit switches are safety devices that prevent over-travel of the crane components. They help avoid collisions and ensure safe operation.
• Counterweights (optional): In some cases, floor-mounted jib cranes may include counterweights to balance the load and reduce stress on the crane structure.
• Safety Features: Various safety features, such as overload protection, emergency stop buttons, and warning signals, are incorporated to enhance operator and workplace safety.

 

 

 

 

 

 

Advantages of Portable Jib Cranes

Flexibility for Changing Layouts
One of the greatest strengths of a portable jib crane is its ability to move with your operations. In factories where equipment and work cells are frequently reconfigured, a portable crane can be relocated to wherever it is needed. This flexibility saves you from being "handcuffed" to a single spot, which is the case with traditional fixed cranes that require a permanent foundation.

No Permanent Installation Required
Because the crane's stability comes from a heavy counterweight base filled with concrete, it does not need to be bolted to the floor. This "plug-and-play" design makes it an ideal solution for leased buildings or facilities where you want to avoid the cost and permanence of a concrete foundation. You avoid the expense of engineering reviews, digging, and pouring, which can save thousands of dollars compared to a freestanding crane installation.

Space-Saving Design
Unlike a portable gantry crane, which requires two legs on the floor, a portable jib crane has just a single base. This small footprint makes it perfect for use in tight workshops, along forklift aisles, or in areas where floor space is at a premium.

Increased Productivity and Ergonomics
Portable jib cranes are excellent for repetitive lifting tasks. By handling routine material movement, they free up forklifts for other duties and reduce the physical strain on workers. This focus on ergonomics is a key driver in the market, as companies look to minimize back strain and repetitive motion injuries.

Versatile Lifting Options
These cranes can be equipped with various lifting devices, including manual chain hoists, electric hoists (110V or 3-phase), or pneumatic hoists for spark-proof environments. They can also be paired with specialized tools like vacuum lifters for handling non-porous materials like glass or metal sheets.

 

Factories and Assembly Plants
The most common application is on factory floors where layouts are constantly evolving. The crane can be moved to support different production lines or workstations as needed. For example, it is frequently used for loading and unloading CNC machines, especially when dealing with heavy or expensive tooling that requires precise positioning.

Warehouses and Logistics
In warehouses, portable jib cranes are used for loading and unloading trucks, as well as handling materials in storage areas. Their mobility allows them to be used where needed most, rather than relying on a fixed-position crane.

Workshops and Maintenance Areas
They are a valuable tool in maintenance shops and workshops, where they can be moved to different bays to assist with equipment repair, assembly, or inspection. Their ability to cover a 360-degree area makes them suitable for complex work environments.

Construction Sites and Outdoor Use
The self-supporting design allows these cranes to be used outdoors or on sites where installing a permanent crane is impractical. They can be moved around the site to where lifting is required.

Reaching Around Obstacles
A variation called an articulating jib crane features a foldable arm that works in tandem with the main boom. This design is ideal for reaching around machinery, columns, or other obstructions to access difficult-to-reach areas, such as inside containers or complex work cells.

 

 

The production procedure of a floor-mounted jib crane involves several steps, from design and manufacturing to assembly and testing. Here is a general overview of the production procedure for a floor-mounted jib crane:

 

1.Design Phase:

• Project Requirements: Understand the specific requirements of the customer, including lifting capacity, working radius, height, and any special features needed.
• Engineering Design: Create detailed engineering drawings and specifications for the floor-mounted jib crane, considering factors such as material strength, safety standards, and operational requirements.

2.Material Selection:

• Choose high-quality materials for the various components of the crane, including the base, column, jib arm, boom, hoist trolley, and other structural elements. The materials should be selected based on factors like strength, durability, and resistance to environmental conditions.

3.Fabrication:

• Cut and shape the raw materials according to the design specifications.
• Weld the components together to form the main structure of the floor-mounted jib crane.
• Ensure precision and accuracy in the fabrication process to maintain structural integrity.

4.Surface Treatment:

• Apply surface treatments such as painting or coating to protect the crane from corrosion and environmental wear.
• Surface treatments may include priming, painting, or galvanizing, depending on the materials used and the intended application.

5.Assembly:

• Assemble the various components, including the base, column, jib arm, boom, hoist trolley, and any additional features according to the engineering design.
• Ensure that all connections are secure and that the crane is structurally sound.

6.Installation of Mechanical Components:

• Install the hoist mechanism, rotation mechanism, and other mechanical components.
• Connect the electrical components, including wiring, control panels, and safety features.

7.Quality Control and Testing:

• Conduct thorough quality control inspections at different stages of the manufacturing process to ensure compliance with design specifications and industry standards.
• Perform load testing to verify the crane's lifting capacity and overall functionality.

8.Documentation and Certification:

• Prepare documentation, including user manuals, maintenance instructions, and certification documents.
• Ensure that the floor-mounted jib crane complies with relevant safety and quality standards.

9.Packaging and Shipping:

• Package the floor-mounted jib crane securely to prevent damage during transportation.
• Arrange for shipping to the customer's location.

10.Installation and Commissioning:

• Provide on-site installation services or detailed installation instructions for the customer.
• Commission the crane, ensuring that all components function correctly and safely.

11.Training:

• Offer training to operators on the proper use, maintenance, and safety procedures associated with the floor-mounted jib crane.

12.After-Sales Support:

• Provide ongoing support, including maintenance services, spare parts availability, and troubleshooting assistance.

 

 

 

Henan Mine Crane Co., Ltd has implemented a smart equipment management platform and deployed 310 sets of handling and welding robots. Upon the fulfillment of the initiative, the total number of sets will exceed 500, achieving a 95% equipment networking rate. Currently, 32 welding lines are operational, with plans to install an additional 50. The overall automation rate for the entire product line has already reached 85%.

 

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