The working principle of Tunnel Trolley is to provide a stable working environment for construction in the tunnel through an adjustable steel structure platform moving on its track, adjusting to the required height using a lifting system, and ensuring stability during the construction process through devices such as hydraulic support legs, thereby supporting various construction activities such as installing tunnel linings and spraying concrete.
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Hebei Kaichuangxing can provide Steel Formwork Trolley For Tunnel and Highway Construction, Steel Tunnel Trolley for Construction.
Secondary Lining Trolley: The Secondary Lining Trolley is a specialized piece of equipment used in tunnel construction to apply secondary lining, ensuring structural stability and waterproofing.
Waterproof Plate Lining Trolley: Designed for efficient installation of waterproof plates, the Waterproof Plate Lining Trolley ensures seamless application and enhances the durability and water resistance of tunnel linings.
Spray Maintenance Trolley: The Spray Maintenance Trolley is utilized for the precise application of protective coatings and materials, crucial for the maintenance and longevity of tunnel surfaces.
Tunnel Lining Trolley: This versatile Tunnel Lining Trolley facilitates the construction of tunnel linings by providing a stable platform for workers and materials, improving safety and efficiency on-site.
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Tunnel Arch Support Trolleys: Tunnel Arch Support Trolleys are essential for constructing and reinforcing tunnel arches, offering robust support during the critical stages of tunnel construction to ensure structural integrity.
Hebei Kaichuangxing Road And Bridge Equipment Technology Co., Ltd is located in Cangzhou City, Hebei Province, China, and has 20 years of experience in the production of steel formwork. Our steel formwork is mainly used in bridge and tunnel construction. We serve many large enterprises in China, such as China Railway Company, China Construction Investment Corporation, etc., and are working hard to develop overseas markets in the world.
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Designed and developed by our own company, hydraulic tunnel lining trolley is an ideal system for formwork lining of railway and highway tunnels. Driven by electrical motors, it is able to move and walk by itself, with hydraulic cylinder and screw jack being used to position and retrieve the formwork. The trolley has many advantages in operation, such as low cost, reliable structure, convenient operation, fast lining speed and good tunnel surface.
The trolley is generally designed as a steel arch type, using a standard combined steel template, without automatic walking, using external power to drag, and the detachment template is all manually operated, which is labor-intensive. This type of lining trolley is generally used for short tunnel construction, especially for tunnel concrete lining construction with complex plane and space geometry, frequent process conversion, and strict process requirements. Its advantages are more obvious. The second tunnel reinforced concrete lining adopts a simple arch frame design, which solves these problems well, and at the same time, the engineering cost is low. Most of the simple trolleys use artificial concrete pouring, and the simple lining trolley is filled with concrete conveying pump trucks, so the rigidity of the trolley should be particularly strengthened. Some simple lining trolleys also use integral Steel Formwork, but they still use threaded rods and do not move automatically. This type of trolley is generally filled with concrete delivery pump trucks. Simple lining trolleys generally use combined steel formwork. Combined steel formwork is generally made of thin plates.
The rigidity of the steel formwork should be considered in the design process, so the spacing between steel arches should not be too large. If the length of the steel formwork is 1.5m, the average spacing between the steel arches should not be greater than 0.75m, and the longitudinal joint of the steel formwork should be set between the push and the push to facilitate the installation of formwork fasteners and formwork hooks. If the pump is used for infusion, the infusion speed should not be too fast, otherwise it will cause deformation of the composite steel formwork, especially when the lining thickness is greater than 500mm, the infusion speed should be slowed down. Be careful when capping and pouring. Pay attention to the pouring of concrete at all times to prevent the concrete pouring after filling, otherwise it will cause mold explosion or deformation of the trolley.
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