Popular Design for Trench Box - Hydraulic Tunnel Linning Trolley – Lianggong

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Popular Design for Trench Box - Hydraulic Tunnel Linning Trolley – Lianggong Detail:

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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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Structure diagram of hydraulic tunnel lining trolley


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Technical parameters

01. Specifications: 6-12.5 m

02.Maximum lining length: L=12m (can be adjusted according to the customers)per unit

03.Maximum passing capacity: (height * width) construction does not affect the car at the same time

04.Crawling ability: 4%

05. Walking speed: 8m/min

06.Total power: 22.5KW   Traveling motor 7.5KW*2=15KW oil pump motor 7.5KW

07.Pressure of hydraulic system:Pmqx=16Mpa

08.Unilateral modulus removal of formwork:Amin=150

09.Left and right adjustment of horizontal cylinder:Bmax=100mm

10.Lifting cylinder: 300mm

11.Maximum stroke of the cylinder: lateral cylinder 300mm

12. Horizontal cylinder: 250mm

Project application

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Product detail pictures:

Popular Design for Trench Box - Hydraulic Tunnel Linning Trolley – Lianggong detail pictures

Popular Design for Trench Box - Hydraulic Tunnel Linning Trolley – Lianggong detail pictures

Popular Design for Trench Box - Hydraulic Tunnel Linning Trolley – Lianggong detail pictures


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Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs of Popular Design for Trench Box - Hydraulic Tunnel Linning Trolley – Lianggong , The product will supply to all over the world, such as: Nicaragua, British, Bhutan, We are seeking the chances to meet all the friends from both at home and abroad for the win-win cooperation. We sincerely hope to have long-term cooperation with all of you on the bases of mutual benefit and common development.
  • Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
    5 Stars By Tony from Iceland - 2018.12.14 15:26
    The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
    5 Stars By Gail from Turkey - 2018.11.22 12:28
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