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  • Zyj 400 130 Fully Hydraulic Column Drilling Rig For Underground Coal Mine - China

    price: contact company for price

    Structure: The drilling rig consists of propelling and supporting unit

    (drilling rig), power pack, operational panel. The colum can press

    against the tunnel roof tightly by the column cylinder, At the same

    time, the column bracket helps to improve the stability and safety

    during drilling.

    The propelling device fixed on the column locking sleeve crosses with the column. Multi stages cylinders
    insice the slide track drives the slide plate to run along the track. The cycloid motor driven by the high
    pressure oil drives the rotation of the drilling bit through the output shaft of the rotation unit.


    Mainly for the hole drilling of geological exploration, gas release, water or coal exploration, through hole,
    bolting hole.


    The whole machine can be disassembled to transport, reduce the labor intensity.

    The drilling bit can be alloy, PDC, it can be used in the coal mine and other mines.

    The drilling rig can attach to the roadheader.

    No. Description Unit Parameters


    Machine 1 Working pressure Mpa 12

    2 Nominal torque N. M 400

    3 Nominal rotation speed r/min 130

    4 Nominal flow rate L/min 43/13

    5 Propelling force (adjustable) K/N First stage cylinder: 20 Second stage cylinder: 10

    6 Propelling stroke mm First stage cylinder: 500 Second stage cylinder: 580

    7 Drilling diameter mm Φ 65-Φ 94

    8 Guide track length mm 1910

    9 1 2 3 4

    10 Max. Height of drilling rig mm 3800 3200 2600 2100

    11 Min. Height of drilling rig mm 3200 2600 2000 1500

    12 Standard column weight Kg 140

    13 Drilling speed mm/min 200

    14 Drilling depth m 150


    Pack 15 Nominal pressure Mpa 12

    16 Nominal flow rate L/min 45/14

    17 Nominal power of motor KW 11

    18 Nominal voltage of motor V 380/660 660/1140

    19 Nominal current of motor A 22.6/13.1 12.6/7.3

    20 Usable capacity of oil tank L 120

    21 Overall dimensions (L*W*H) mm 1370*460*790

    22 Weight of power pack kg 240

    Company Contact:

    • Phone: 008631185916740

    • Address: 111 Yuejin Road, Shijiazhuang, China

    • Email: Email

    Published date: August 31, 2012 -

    • Business Description: Shijiazhuang Coal Mining Machinery Co., Ltd. was an enterprise directly under the former Ministry of Coal and is a key enterprise of China Machinery Industry, as well as an outstanding enterprise of China Coal Industry. The company was found in 1939, and moved to Shijiazhuang from Tonghua in 1957. It specializes in developing and manufacturing of coal mining, tunneling and transporting machines, construction and engineering drilling rig, truck mounted crane, etc. As the provincial High and new technology enterprises, Shijiazhuang Coal Mining Machinery Co., Ltd. has the first class R&D center, and the total employees are more than 2300, including 600 engineers, 9 technical experts who got the State Council Government allowance. 33 different products in its whole products line were firstly produced in China, 45 obtained the national patent.

      The company is taking a number of state researching projects, recently, Committed by Shijiazhuang Coal Mining Machinery Co., Ltd., participated by China Petroleum University, National Development and Reform Commission the project "Development of truck mounted drilling rig for gas drainage from the ground achieved success and the technical performance has reached international advanced level and fill the domestic blank. The key project of State 863 projects, "coal mining equipment, remote control key technologies" Jointly taken by Shijiazhuang Coal Mining Machinery Co., Ltd., the China University of Mining, Jizhong Energy Group, as well as China Coal Equipment Group has achieved a great success, the technology has been applied to her road headers.

      A great deal of products won the National Silver medal, the national Customer Satisfaction Award, The Best selling brand of Hebei Province.

      The company has ISO9001 quality management system certification
      military products quality management system certification, the China Quality Certification Center "3C" certification, the secondary pressure vessel manufacturing license, qualification certificate confidential national levels; in Hebei Province secondary safety first machinery industry standardization certification enterprise.

      At present, the company covers 420000 square meters, the being built Mining equipment R & D center of Shijiazhuang Coal Mining Machinery Co., Ltd. 660000 square meters and will be put into mass production in 2011.

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