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Khyd75 Rock Drills For Coal Mines - China

price: 3400.00 Dollar US$

1 - The brief introductions of KHYD75 rock drilling rig

KHYD75 is a rock electric drill rig for coal mines.

It is a tool for drilling rock burst holes.

It is used in the operation of mine roadway driving, road construction, water conservancy construction, metallurgical mining and stone square engineering, and can also drill water hole, water probe hole and gas hole in coal seam.

Drilling rigs can be combined with drilling stand, and can be horizontally forward or inclined upward and downward.

In order to prolong the service life of the drill bit and improve the working conditions of the operator, it can be used for mixing the drill hole water to discharge the powder or also using the spiral vane drill pipe to drill and dry powder discharge.

In drilling operations, we only need to operate the handwheeland can advance and retreat automatically.

2 - The specifications of KHYD75 rock drilling rig

Model Unit KHYD75

Rated output power of electric motor kw 3

Rated voltage of electric motor v 380/660

Rated frequency of electric motor hz 50

Rated current of electric motor a 6.8/3.9

Motor rotating speed r/min 1420

working mode continuity

Drilling speed mm/min 320

Maximum axial thrust n 10000

Borehole diameter mm 42(rock)

42-80(coal seam)

Hardness range protodikonov`s scale of hardness f<10

Maximum drilling depth m 10(rock)

30-80(coal seam)

Weight of drilling rig (excluding runways, drill pipes, drills) kg 75

Dimension (length*width*height) mm 720*376*436


Company Contact:


  • Phone: 18865479508

  • Address: No.47,Jinyu Road,Jining City,Shandong Province,China, JINING , China , China

  • Email: Email


Published date: November 23, 2018

  • Business Description: Master Group Co., Ltd. is dedicated to providing the drilling rig and pile driver for engineering and mining construction.

    As a active response to the Belt and Road Initiative, We have took numerous efforts to go abroad.

    Our products have been sold to Europe, CentralAsia, Southeast Asia, Africa and dozens of countries and regions.

    We focus on providing innovative products and services that meet or exceed the expectations of our global customers while complying with safety and regulatory requirements.

    We are a leading company in the drill rig industry in China.

    We have established solid relationship with several universities, research laboratories, designing institutes and prospecting institutes.

    And we have participated in a number of national key projects and earned our reputation.

    Our Companys “HuaxiaMaster” has become a well-known brand in China.

    Our Products:

    - 4kw Collapsible Electric Water Well Drilling Rig

    - China Portable Automatic Water Well Drilling Rig

    - China Hz 130y Hydraulic Water Well Drilling Rig

    - China Hz 130yy Water Well Drilling Machine

    - Xyx 130 Water Well Hydraulic Press Drilling Machine

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