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Open Tunnel Boring Machine Support Shoe Cylinder

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Hydraulic Cylinders

An open tunnel boring machine (TBM) support shoe cylinder is a hydraulic cylinder that is used to provide support and thrust to the tunnel boring machine as it excavates a tunnel. The cylinder is typically attached to the support shoes, which are large pads that bear the weight of the TBM and push against the tunnel walls to provide stability.

The support shoe cylinder is powered by hydraulic fluid, which is pressurized to extend the piston rod of the cylinder. This extension pushes the support shoes against the tunnel walls, providing the necessary support and thrust for the tunnel boring machine to advance.

Open TBM support shoe cylinders are typically used in hard rock tunneling applications, where the ground conditions are too stable to require the use of a pressurized shield. The open design of the tunnel boring machine allows for easier access to the cutterhead and other components for maintenance and repair.

Here are some of the key features of open TBM support shoe cylinders:

  • High strength and durability to withstand the harsh conditions of underground tunneling
  • Long operating life and low maintenance requirements
  • Easy installation and removal
  • Custom design and manufacturing capabilities to meet specific project requirements

Open tunnel boring machine support shoe cylinders are an essential component of many tunneling projects around the world. They play a vital role in providing the support and thrust needed to safely and efficiently excavate tunnels through a variety of ground conditions.

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Open Tunnel Boring Machine Support Shoe Cylinder Specifications:

Product Name Open Tunnel Boring Machine Support Shoe Cylinder
Features: Provides the thrust of cutterhead tunneling
Bore diameter:  480mm~1000mm
Rod diameter: 400mm~730mm
Stroke400mm~825mm
Pressure: up to 35MPa
Applications: Open Tunnel Boring Machine

Open Tunnel Boring Machine Support Shoe Cylinder Advantages:

Open tunnel boring machine (TBM) support shoe cylinders offer a number of advantages over traditional closed cylinders, including:

1. Improved tunnel wall stability: Open tunnel boring machine support shoe cylinders allow for better grout penetration, which results in a more stable tunnel wall. This is especially important in soft ground conditions, where the tunnel wall is more susceptible to collapse.

2. Reduced risk of jamming: Open tunnel boring machine support shoe cylinders are less likely to become jammed by rocks or other debris, as there is more space for the material to pass through. This can lead to significant time and cost savings, especially in difficult ground conditions.

3. Increased flexibility: Open tunnel boring machine support shoe cylinders allow the tunnel boring machine to be more flexible in its operations. For example, the TBM can be retracted more easily if necessary, and it can also be more easily adapted to changes in the ground conditions.

4. Reduced wear and tear: Open tunnel boring machine support shoe cylinders are less likely to experience wear and tear than closed cylinders, as there is less friction between the cylinder and the tunnel wall. This can lead to a longer service life for the tunnel boring machine and reduced maintenance costs.

In addition to these advantages, open TBM support shoe cylinders are also becoming increasingly popular due to their environmental benefits. Open tunnel boring machine support shoe cylinders allow for less grout to be used, which can reduce the environmental impact of the project. Additionally, open cylinders can be made from recycled materials, which can further reduce the environmental footprint of the project.

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How Does the Support Shoe Hydraulic Cylinder for Open Tunnel Boring Machine Work?

The support shoe hydraulic cylinder for an open tunnel boring machine (TBM) is a critical component that helps to support the machine and prevent it from sinking into the ground as it excavates the tunnel. The cylinder is typically located at the front of the tunnel boring machine and is attached to the gripper shoes, which are large pads that grip the sides of the tunnel.

When the tunnel boring machine is advancing, the support shoe hydraulic cylinder pushes against the gripper shoes, which in turn push against the sides of the tunnel. This helps to transfer the weight of the tunnel boring machine to the ground and prevents it from sinking. The cylinder also helps to stabilize the TBM and reduce vibration.

The support shoe hydraulic cylinder is a powerful device that must be able to withstand a lot of force. The hydraulic cylinders are typically made of high-strength steel and are designed to operate at high pressures. The cylinders are also equipped with sensors and safety features to ensure that they operate safely and reliably.

Here is a more detailed explanation of how the support shoe hydraulic cylinder works:

  1. The cylinder is filled with hydraulic fluid.
  2. A pump creates pressure in the fluid, which forces the piston rod to extend.
  3. The piston rod is attached to the gripper shoes.
  4. As the piston rod extends, the gripper shoes are pushed against the sides of the tunnel.
  5. This helps to support the tunnel boring machine and prevent it from sinking.

The amount of force that the support shoe hydraulic cylinder can generate depends on the size of the cylinder and the pressure of the hydraulic fluid. Larger cylinders and higher pressures can generate more force. The support shoe hydraulic cylinder is an essential component of open tunnel boring machine design. It helps to ensure that the tunnel boring machine can operate safely and efficiently.

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Tunnel Boring Machine Hydraulic Cylinder Manufacturers

HZPT has been developing and producing tunnel boring machine cylinders since 2005, has successfully exported them all over the world, and has a leading global market share. For example, in the Bertha tunnel boring machine in Seattle, the entire set of high-pressure hydraulic cylinders is from HZPT. Even though the equipment was constructed underground for two years, HZPT's hydraulic cylinders did not suffer from corrosion and seal aging. We customized solutions for customers to fully meet the needs of complex working conditions such as high frequency, high load, vibration, and pollution during underground construction. HZPT uses its strength to build a comprehensive service brand for hydraulic transmission and control systems in the field of tunnel boring equipment.

In addition, we not only provide shield machine cylinders. We also supply a diverse range of hydraulic cylinders, including industrial vehicle hydraulic cylinders, aerial work vehicle cylinders, mobile machinery cylinders, industrial engineering cylinders, construction machinery cylinders, forklift hydraulic cylinders, agricultural machinery cylinders, crane hydraulic cylinders, sanitation machinery cylinders, excavator hydraulic cylinders, offshore hydraulic cylinders, energy technology cylinders, tunnel boring machine cylinders, and more. Our extensive product lineup caters to various industries and applications, providing solutions for your hydraulic needs.

We are one of the best hydraulic cylinders manufacturers. We have exported our products to clients around the world and earned a good reputation because of our superior product quality and after-sales service. We warmly welcome customers both at home and abroad to contact us to negotiate business, exchange information, and cooperate with us!

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