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Ranch U-shaped steel bracket, U-shaped steel bracket manufacturers, U-shaped steel bracket prices, U-shaped steel bracket parameters-Shandong China Coal Industry and Mining Group
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    U-shaped steel bracket product overview

    U type steel support is mainly used for mine roadway, roadway two support,
    and through the tunnel supporting etc .. The use of U type steel support, help reduce roof fall accident,
    safety and reliability, improves the stability of mine ventilation system.
    The U shape yieldable steel ribs, a better solution to the problem of excavation and supporting.

    U-shaped steel supports are mainly used for mine tunnels, secondary support of mine tunnels, and support and support of mountain tunnels. The use of U-shaped steel brackets can effectively reduce the occurrence of accidents such as roof fall and sheet gangs, which is safe and reliable, and improves the stability of the mine ventilation system. The use of U-shaped steel retractable brackets can better solve the problem of heading support.


    U-shaped steel bracket product introduction

    U type steel frame is a cross-sectional shape like the letter "U" English steel.
    U type steel all production of section shape, geometry parameters and the material is different,
    the U steel model Chinese production mainly U18, U25, U29, U36 four.
    The U18 and U25 belong to U29, U36 belongs to the waist position; ear positioning. U18 due to bearing capacity is low, fewer production.

    U-shaped steel bracket is a type of steel with a cross-section shaped like the English letter "U". The cross-sectional shape, geometric parameters, and materials of U-shaped steel produced by different countries are different. At present, there are four types of U-shaped steel produced in China: U18, U25, U29, and U36. U18 and U25 belong to lumbar positioning; U29 and U36 belong to ear positioning. U18 is rarely produced because of its low load carrying capacity.

    U-shaped steel supports have the advantages of high initial support force, large support strength, easy installation, and non-deformation, so they are often used in the manufacture of retractable metal supports for mine tunnels, secondary supports for mine tunnels, and support for tunnels in mountains Protection and other uses.

    U type steel has a high initial support force, support strength, simple installation, not easily deformed and other advantages, therefore, commonly used in the manufacture of roadway yieldable metal, as mine, mine roadway two support, and through the tunnel supporting etc. .

    The use of U-shaped steel brackets can effectively reduce the occurrence of accidents such as roof fall and sheet gangs, which is safe and reliable, and improves the stability of the mine ventilation system. The use of U-shaped steel retractable brackets can better solve the problem of heading support.

    The use of U type steel support, help reduce roof fall accident, safety and reliability, improves the stability of mine ventilation system. The U shape yieldable steel ribs, a better solution to the problem of excavation and supporting.

    Due to different production batches and specific models, the pictures are for reference only. Please contact our sales staff for specific verification.

    Because the production batches, the different models, the picture is for reference only Please contact our sales staff for specific verification

    U-shaped steel bracket structure composition

    The connecting piece is clamped device bracket nodes and internodes,
    can play the function of connection between the two,
    can also be shaped steel joint part pressing connection, providing pre tightening force,
    the friction force between the steel with U, so as to ensure the arch support has definite working resistance and the shrinking.

    There are three types of column legs, one is a circular arc in the upper part and a straight line in the lower part; the second is all curved and has only one curvature radius; the third is all curved, but has two curvatures radius. The base is welded under the leg, the size of the base depends on the hardness of the base plate

    The top beam is arc-shaped, and its number depends on the size of the roadway section, the force of the support, and the transportation conditions. There are 1 or more sections.

    The connecting piece is a clamping device between the brace section and the intersection, which can play the role of intersection connection. It can also press the two sections of steel joints connected to provide pre-tightening force, so that there is friction between the U-shaped steel, thereby ensuring Arched stent has working resistance and shrinkage

    The connecting piece is a clamping device between the brace section and the intersection, which can play the role of intersection connection. It can also press the two sections of steel joints connected to provide pre-tightening force, so that there is friction between the U-shaped steel, thereby ensuring Arched stent has working resistance and shrinkage

    The role of the inter-rack rod is to enhance the overall relative stability of the stent, and to connect the stent from the longitudinal direction to form a whole.


    Mainly used for coal mine roadway support, secondary support of mine roadway, and support and support of mountain tunnels

    变形 Easy to install and not easily deformed

    Under pressure

    Long support time

    The main raw material is U-shaped steel. After the U-shaped steel is cold-formed, it needs to be cut and then connected with U-shaped steel Karan.

    U-shaped steel bracket product features

    U type steel under pressure, support for a long time, and has the characteristics of easy installation is not easy deformation etc ..
    U type steel support than other rigid support can fit the load bearing capacity of soft surrounding rock deformation and shrinkage and stable and reliable in.
    U type steel section high utilization rate in support of convenient repair in small amount to.
    U3 type steel high recovery rate, reduce pitwood use, environmental benefits are obvious

    U-shaped steel bracket product patent certificate

    Used in coal mine roadway, roadway two supporting,
    And through the tunnel supporting role.
    U steel, U steel cold bending forming, cutting, and then use the U type steel Karan connected to.
    Under pressure, support for long time, easy to install and not easily deformed

    U-shaped steel bracket product inspection report

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    Process: put in the waist, digging pit, column, vertical leg, on the roof beam, reinforcement → backplane (Chong Tian)
    According to the midline and design studio size to find the column parameter,
    Then press the waistline to column crypt depth excavation
    The waist position painting in the column legs, the column on the post fossa, the column on the waist and waist consistent help

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