What is a straddle carrier? Our straddle carrier is a type of rubber tyred crane designed for beam lifting, offering exceptional mobility and versatility. It is widely used across various industries, including precast concrete production, road and bridge construction, tunnel construction, and more. We are dedicated to delivering tailored straddle carrier crane solutions that improve both efficiency and safety in concrete beam handling.
What Is A Straddle Crane Used for?
Straddle Carrier Used in Prefabrication Plant
Aicrane straddle carrier for sale plays a pivotal role in the handling of precast concrete beams in prefabrication yards, including:
- Lifting and transporting precast concrete beams from their production bases to designated locations within the yard.
- Facilitating the loading of these concrete beams onto transport vehicles.
- Performing other tasks within the prefabrication yard, such as the lifting of materials like steel reinforcement and molds, all within its rated lifting capacity.
Straddle Crane Used in Road & Bridge Construction
In road and bridge construction, our straddle carrier crane for sale is designed for the assembly of precast bridge segments. It performs a range of tasks, including:
- Lifting of precast segments from transport vehicles.
- Traversing across the construction site to the installation location, and subsequently aligning and assembling the precast segments in place.
For dual-span bridge construction, the crane can operate with two trolleys working simultaneously, significantly improving operational efficiency.
In single-span bridge construction, a single trolley is employed, equipped with a rotating lifting device that allows for adjustment in three dimensions.
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Straddle Carrier Crane for Other Uses
Our rubber tyred straddle carriers offer practical versatility for various other applications, such as:
- Tunnel construction
- Wind power project
- Port operations
- Handling large components in various indoor and outdoor settings.
These cranes can be customized to meet specific lifting requirements and adapt to various construction conditions.
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Straddle Carrier Specifications
Precast Plant Straddle Carrier Crane Specifications
| Rated Lifting Capacity | 50~800t |
|---|---|
| Span | 5~40m |
| Maximum Lifting Height | 5~20m |
| Steering Mode | independent steering driven by hydraulic cylinders |
| Travel Mode | Hydraulic-driven tires |
| Trolley Travel Speed (Full Load) | 0~5m/min |
| Trolley Travel Speed (Empty Load) | 0~10m/min |
| Trolley Hoisting Speed (Empty Load) | 0~6m/min |
| Trolley Hoisting Speed (Full Load) | 0~3m/min |
| Crane Full Load Travel Speed | 0~10m/min (on flat terrain) |
| Crane Empty Load Travel Speed | 0~20m/min (on flat terrain) |
| Working Environment Temperature | 0°C~+50°C |
| Working Environment Wind Force | working state ≤ grade 6 (wind speed 20m/s), non-working state ≤ class 11 (wind speed 42m/s) |
Road & Bridge Construction Straddle Carrier Specifications
| Rated Lifting Capacity | 50~800t |
|---|---|
| Span | 10~40m |
| Lifting Height | 5~40 m |
| Steering Mode | independent steering driven by hydraulic cylinders |
| Travel Mode | Hydraulic-driven tires |
| Slope Climbing Capability | ± 2% |
| Trolley Travel Speed (Full Load) | 0~5m/min |
| Trolley Travel Speed (Empty Load) | 0~10m/min |
| Trolley Hoisting Speed (Empty Load) | 0~6m/min |
| Trolley Hoisting Speed (Full Load) | 0~3m/min |
| Crane Full Load Travel Speed | 0~15 m/min (on flat terrain) |
| Crane Empty Load Travel Speed | 0~30 m/min (on flat terrain) |
| Working Environment Temperature | 0°C~+50°C |
| Working Environment Wind Force | working state ≤ grade 6 (wind speed 20m/s), non-working state ≤ class 11 (wind speed 42m/s) |
Rubber Tyred Straddle Carrier Crane Project Cases
800 Ton Straddle Carrier For a Precast Concrete Production Project
This precast yard’s operations employ two 800-ton straddle carrier cranes, working in tandem to transport 1600-ton precast beams from the beam making area to beam storage and lifting stations.
- Span: 23 meters
- Lifting Height: 11 meters
- Steering method: Hydraulic cylinder-driven independent steering
- Travel method: Tire-based hydraulic drive
- Climbing Grade: ±2%
180 Ton Straddle Carrier for a Viaduct Construction Project
This is a 180 ton straddle carrier crane used to install prefabricated bridge segments in a viaduct construction project. It is mainly used to lift prefabricated segments from transport vehicles, transport them across the line, and accurately position and align them during installation.
- Span: 18 meters
- Lifting Height: 15 meters
- Steering method: Hydraulic cylinder-driven independent steering
- Travel method: Tire-based hydraulic drive
- Climbing Grade: ±2%
Customization Options for Aicrane Straddle Carrier Gantry Crane
All of our straddle carrier gantry cranes are tailored to meet different precast concrete beam lifting needs, ensuring optimal performance. Here are several key factors that can be customized to enhance efficiency, performance, and safety.
Straddle Carrier Capacity Customization
We offer a range of load capacities for our straddle carrier cranes, from smaller straddle carrier models suitable for lighter loads to heavy-duty options capable of lifting large concrete beams and other oversized materials. Depending on the application, you can select a crane with the appropriate load capacity that meets your specific requirements. Whether it’s a 50 ton, 100 ton, or 200 ton gantry crane, we ensure that the crane is customized to meet your load capacity requirements.
Span and Lifting Height Customization
Customizing the span and lifting height allows the crane to handle different sizes of concrete beams or construction materials. By adjusting the span between the crane’s supports and the height of its lifting mechanism, we enable customers to configure a crane that fits their specific handling needs.
Drive System Customization
We offer flexibility in the drive system to suit different operational needs. For large capacity and heavy duty applications, hydraulic motors combined with wheel reducers are commonly used for driving the crane. For smaller capacities such as below 100 tons, an electric straddle carrier system can be driven by motor reducers with gears or sprockets, providing a compact and efficient solution for lighter workloads.
Tire Configuration Customization
The tire configuration of this rubber tyred gantry crane can also be customized to meet specific environmental conditions. Whether it’s standard tires for general-purpose use or heavy-duty tires for rough terrain and extreme conditions, we ensure that the tires are suitable for the task at hand.
Specialized Attachments and Accessories Customization
We offer a range of attachments and accessories to enhance the functionality of our automated straddle carriers. Depending on the material being handled, custom hooks, lifting beams, or clamps can be added to the crane.
Safety Features Customization
We provide customization options for advanced safety features such as anti-sway systems, overload protection, emergency stop functions, and automatic brakes. The inclusion of these features ensures that the crane operates safely even in high-risk environments, reducing the potential for accidents and improving overall site safety.
Aicrane’s customizable straddle carrier for sale offers a flexible, efficient, and safe solution for handling concrete beams, construction materials, and other heavy loads. Ready to take your lifting operations to the next level? Contact Aicrane today to discuss your specific requirements and let our experts design the perfect straddle carrier gantry crane for your needs. Whether you’re handling precast beams or managing construction projects, Aicrane has the solution for you.
Features And Advantages of Aicrane Straddle Carrier Cranes
Mobility and Versatility
- Rubber Tyres: The straddle carrier gantry crane is equipped with rubber tires, allowing it to move easily along designated pathways. This mobility eliminates the need for fixed rails, giving the crane the flexibility to maneuver around loads and optimize space usage.
- All-Wheel Steering: Straddle carriers are often designed with all-wheel steering, enabling them to move in various directions, including sideways. This feature contributes to their exceptional maneuverability in tight spaces.
- Travel Drives: Powerful travel drives and motors provide the necessary traction to move this mobile gantry crane smoothly on various surfaces, including pavement and compacted gravel.
Lifting Capacity and Performance
- High Load Capacity: Industrial straddle carriers are designed to handle heavy loads efficiently. Their lifting capacities can range from 50 to 800 tons or more, making them suitable for various loads and cargo handling tasks.
- Spreader Attachment: Our straddle carrier system often comes equipped with specialized spreader attachments that allow them to lift, transport, and stack a wide variety of loads with precision and safety.
- Double Trolley System: Some straddle lift cranes feature a double trolley system, enabling them to handle loads more stably and efficiently.
How to Select the Right Straddle Carrier Crane
When it comes to selecting the ideal straddle carrier crane for your operation, the process involves careful consideration of multiple factors.
Lifting CapacityDetermine the maximum load the straddle carrier crane needs to lift. This includes the weight of the precast concrete beams (or other loads), considering both the standard weight and any potential overloading situations.
Lifting HeightEstablish the maximum height to which the crane must be able to lift the load. This is particularly important if the crane is expected to load or unload materials from tall stacks or to load/unload at varying heights.
Span and ClearanceThe span should be designed to cover the width of the working area. If you need to lift loads in confined spaces, the clearance height and width between the crane’s structural parts become critical.
Height/Width RestrictionsAssess if the industrial straddle carrier crane needs to operate under any height or width limitations, particularly in areas with overhead obstacles, narrow aisles, or other space constraints. If there are such limitations, the crane dimensions should be adapted accordingly.
Speed RequirementsDetermine whether there are specific speed requirements for the crane’s lifting, traveling, and positioning.
Concrete Beam DimensionsMeasure the length and cross-sectional dimensions of the concrete beams to be transported. The crane must be able to handle the size of these beams comfortably.
Ground ConditionsEvaluate the ground conditions of the operating area. This includes the slope, surface hardness, and whether the ground can bear the crane’s weight.
Other Special RequirementsAre there any additional specific needs for the crane, such as adjustable span, variable lifting height, or other customizable features?
As one of leading straddle carrier manufacturers in China, we are committed to helping you select the perfect gantry crane tailored to your needs. If you have any questions or would like more details about our straddle carrier crane solutions, don’t hesitate to contact us for expert advice and a customized recommendation.
Once you’ve identified the right crane for your project, you may want to explore its cost and determine if it fits within your budget. In the following section, we’ll walk you through the different aspects that influence the cost of a straddle carrier crane..
How Much Does A Straddle Carrier Cost: Key Factors to Consider
When considering the purchase of a mobile straddle carrier, one of the first things you might want to consider is the cost to ensure it aligns with your budget. Given that straddle carriers are highly customized machines, it’s important to understand the various factors that influence their prices and costs. This knowledge will help you make an informed decision and choose the right solution within your budget.
- The lifting capacity is one of the most significant factors affecting the straddle carrier purchase price. The greater the crane’s lifting capacity, the higher the price.
- Straddle carriers are often customized to meet the specific requirements of your business. Custom features can add significantly to the base price.
- The brand of the key components such as motors and reducers can also significantly influence the straddle carrier price.
- In addition to the straddle crane price, there are other costs related to its delivery, installation, and testing. These can vary depending on the location of your business, the complexity of the installation, and the customization needed.
- A straddle carrier crane’s total cost should also factor in its ongoing maintenance and after-sales service.
To get an accurate cost estimate, contact us and let us know your specific requirements. Our team will work closely with you to provide a tailored solution that fits your budget and operational goals. Feel free to reach out for a personalized quote or any additional information.
Why Aicrane is a Good Choice for Your Straddle Carrier Needs
When selecting straddle carrier manufacturers, it’s essential to partner with a company that not only offers high-quality equipment but also provides exceptional service. Here’s why you should choose us as your trusted straddle carrier manufacturer:
Uncompromising Quality Assurance
Our straddle carriers are manufactured using high quality materials and precision engineering to ensure durability, reliability, and long-term performance. We follow rigorous quality assurance processes at every stage of production. Each unit undergoes comprehensive testing and quality checks, from structural integrity and load capacity to functionality and safety systems.
Competitive Pricing Without Compromising on Quality
We offer competitive pricing for our mobile straddle carriers, providing an excellent balance between cost and performance. We work hard to keep our prices affordable by optimizing our manufacturing processes and cutting unnecessary costs, passing the savings directly to you.
Timely Delivery to Keep Your Operations on Track
We are committed to meeting your delivery deadlines, ensuring that your straddle lift crane arrives when you need it. Our efficient production scheduling and logistics teams work closely to manage delivery timelines. No matter where you are located, we ensure that your crane is delivered on time, ready for installation and use.
Professional Installation for Seamless Integration
Our experienced technicians and engineers are available to provide both on-site and remote installation assistance. We work closely with your team to guide them through the setup process, ensuring that all systems are functioning optimally and that operators are fully trained on how to use the equipment safely and efficiently.
Reliable After-Sales Service for Ongoing Support
Whether you need troubleshooting support, spare parts, or routine maintenance, Aicrane is here to help. Our after-sales service is designed to minimize downtime and extend the life of your straddle carrier crane, ensuring that it continues to meet your operational requirements for years to come.
Choose Aicrane as your straddle carrier manufacturer and enjoy the peace of mind that comes with partnering with our team that puts your needs first. Contact us today to learn more about our products or get a straddle carrier quotation, and let us help you take your operations to the next level.
The Key Components of a Straddle Carrier Gantry Crane
The straddle carrier system consists of several core components that work in tandem to achieve its lifting and moving capabilities. These components include:
Main Girder
The main girder forms the structural backbone of the crane. It provides support for various components and bears the weight of the load. The main beam’s design ensures stability and safety during lifting operations.
Legs (Supporting Structure)
The legs, also known as the supporting structure, provide stability to the crane. These vertical elements are responsible for distributing the crane’s load to the ground and maintaining its balance during lifting and movement.
Lifting System
The lifting system is responsible for raising and lowering the load. It consists of a hoist mechanism that includes a drum, wire rope, and hook or spreader. This system ensures controlled and precise lifting operations.
Crane Running System
The crane running system in a mobile straddle crane is distinct from that of a rail mounted gantry crane. It includes a frame, wheel assemblies, drive axles, suspension components, steering systems, and support mechanisms.
- The cranes usually employ radial tires for enhanced load distribution and reduced wear. For specific requirements, solid puncture-proof tires might be used.
- The steering mechanism enables the crane to change direction and navigate its path. Hydraulic cylinders are commonly used to achieve steering, allowing the crane to move forward, backward, and sideways.
- The drive system, often referred to as the powertrain, propels the crane forward or backward. It consists of hydraulic motors or electric motors, depending on the crane’s configuration, which drive the wheels through reduction gearboxes.
- The suspension system supports the crane’s weight and allows it to adapt to uneven surfaces. Hydraulic suspension systems enable the crane to climb slopes and maintain stability during operation.
- For heavier loads, support cylinders are often installed under the crane running mechanism to provide additional stability during lifting and moving.
How Does A Straddle Carrier Work
After familiarizing yourself with the key components of a straddle carrier gantry crane, you can gain a clearer understanding of how it works. The working process of a straddle carrier crane can be outlined in a few key steps:
1. PositioningThe crane is driven to the work area, where it is positioned over the beam to be lifted. The mobility offered by rubber tyres allows it to navigate construction sites with ease.
2. Securing the BeamThe beam is attached to the hoisting mechanism using slings, clamps, or other lifting accessories. The connections are checked thoroughly to ensure stability during the lift.
3. Lifting the BeamThe hoist mechanism lifts the beam off the ground. Operators control the lifting speed to maintain balance and prevent sway.
4. Trolley MovementThe trolley moves the beam horizontally along the main girder, positioning it for transportation or placement.
5. Crane MovementUsing its rubber tyres, the crane transports the beam to the designated area. Steering systems allow precise movements, even in tight spaces.
6. Beam PlacementThe beam is lowered into its final position. Fine adjustments are made using the control system to ensure the beam aligns perfectly with its supports.
You can watch the straddle carrier video below for a clearer, visual understanding of how it works:
How to Operate a Straddle Carrier
Below is a step-by-step guide to operating a straddle carrier safely and effectively.
Preparation and Pre-Operation Checks
- Inspect the Machine: Examine the crane for any visible damages, loose parts, or fluid leaks.
- Check Fluid Levels: Ensure hydraulic fluid, engine oil, and fuel levels are sufficient.
- Inspect Tires and Wheels: Check for wear, damage, or improper tire pressure.
- Test Electrical Systems: Verify that all lights, warning signals, and electronic components are functioning.
- Safety Systems: Confirm that safety features, such as brakes, anti-sway systems, and overload protection, are operational.
Start-Up Procedures
- Enter the Operator Cabin or Control Station: Depending on the design, enter the cabin or access the remote control panel.
- Power On the Machine: Start the straddle carrier by following the manufacturer’s specific instructions, usually involving turning a key or activating a switch.
- Perform System Diagnostics: Many straddle carriers come with built-in diagnostics. Check the display for any error messages or warnings.
- Adjust the Settings: Set the lifting height, speed, and other parameters according to the load and task requirements.
Operation Procedures
- Lifting the Load: Align the crane over the load and secure it with lifting attachments. Slowly lift to the desired height.
- Transporting the Load: Move at a controlled speed, using appropriate steering modes (e.g., crab, pivot).
- Placing the Load: Align with the unloading area and lower the load carefully. Ensure stability before disengaging.
Post-Operation Procedures
- Return to Neutral Position: Retract the lifting mechanism and bring the straddle carrier to a safe parking position.
- Power Off the Machine: Turn off the engine and deactivate the electrical systems.
- Perform Final Checks: Inspect the machine for any wear or damage that may have occurred during operation.
- Document Usage: Log the operation details, including any maintenance needs, in the machine’s record.
