1.Brief introductions of KHYD155 electric rock drilling rig for coal mine

KHYD155 electric motor rock drilling rig is a tool for rock blasting hole.

·electric motor rock drilling rig should be equipped with drilling rigs, and can be drilled horizontally or inclined upward in any direction.

·In order to prolong the service life of drill bits and improve the working conditions of operators, water draining powder is called wet drilling.

·In the operation of drilling rig, we only need to operate the hand wheel, and the electric motor rock drilling rig can push itself forward and return quickly.

2.Specifications of KHYD155 electric rock drilling rig for coal mine

Model KHYD155

Rated output power of motor (kw) 7.5

Rated voltage of motor (v) 380/660

Rated frequency of motor (hz) 50

Rated current of motor (a) 15.4

Motor rotating speed (r/min) 1440

Motor phase number three phase communication

Rated working mode continuity

Drilling speed (mm/min) 280

Borehole diameter (mm) 42-80（Rock stratum）

80-120（coal seam）

Hardness range (protodikonov`s scale of hardness) f<10

Drilling depth (m) of the maximum rock layer of drilling rig 25

Drilling depth of the maximum coal seam of a drilling rig (m) 40-100

Drill weight (kg) 155

Cable specifications (equipped by user) (GB1170-74《Soft cable for mining rubber》) U type 3x4+1x4