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[China]
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Address: Room 1407,BuildingA,No.13,Beiyuan Road,Chaoyang District,Beijing,China
Contact name:Sekura Yu
Beijing Jincheng Mining Technology Co., Ltd. |
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Electric Power Hydraulic Underground Core Drill Rig with High Penetration Speed JKD252
Application
The small, compact design of the KD series underground core drilling rig for narrow spaces makes it ideal for use in narrow tunnels or in galleries. Quick and easy to set up, the KD series core drilling rig’s mechanized rod handling, hinge-mounted rod holder, and rotation unit mean flexible, efficient drilling.
Characteristics
1. It is separate in structure, small in size, light in weight,
flexible in movement and convenient in operation.
2. The hydraulic pump is driven by explosion-proof electric motor
through operating system, then the hydraulic pump enforces
hydraulic motor to make drill head rotate, and at the same time,
the movement of drill head is realized by oil cylinder & chain
double speed mechanism.
3. Hydraulic chuck can satisfy the function of shackles and
power-off protection.
4. The sliding and extending & retracting function of the mast
makes it convenient for the bottom of mast to touches the ground or
platform, thus the drill rig will be more stable.
5. The swinging arm and mast can do luffing movement, which satisfy
the request of multi-angle drilling.
6. The range of spindle rotating speed is wide and the torque is
large.
All hydraulic underground core drilling rig is composed of power unit,machine body,control panel,rotation unit,rod holder and mud pump.
Specification
| Description | KD251 | KD252 | KD559 | KD90 |
| Depth capacity(m) | Max.200/150 | Max.210/270 | Max.180/220 | Max.180/300/400 |
| Drill Hole Size | 46/46 | 46/46 | 75/59 | 95/75/59 |
| Drill Rod Size | 42/43 | 42/43 | 71/55.5 | 89/71/55.5 |
| Rod Material | Steel/Al | Steel/Al | Steel | Steel |
| Max torque(N.m) | >120 | >150 | >200 | >250 |
| Max speed(rpm) | ≥2000 | ≥2200 | ≥1800 | ≥1500 |
| Feed force(kn) | >18 | >18 | >24 | >45 |
| Feed length | >18 | >18 | >24 | >45 |
Power Unit
The power unit is mounted on a wheeled frame,is easy to move,and it can leave a distance with the main body when it is working.The power unit has a high power electric motor,gear box,double hydraulic pump(main hydraulic pump dive the rotary head,and sub hydraulic pump drive the feed cylinder),hydraulic oil tank,filter,handle pump,electric control box and so on.
| Model | Volume(L*W*H)mm | Weight(kg) | ||
| KD251 | 1300*940*1050 | 550 | ||
| KD252 | 1550*1100*1210 | 765 | ||
| KD559 | 1550*1100*1210 | 800 | ||
| KD90 | 1550*1100*1210 | 800 | ||
Main Body
The main body is consist of feed frame,rotation head,rod holder,column,cylinder.facilitate to saaembly and disassemble.Can drilling holes 0-360 degree in tunnel by column.
| Model | Volume(L*W*H)mm | Colume(S*H)mm | Weight(kg) | |
| KD251 | 1630*300*500 | 95*2500-3200 | 300 | |
| KD252 | 2370*300*500 | 95*2500-3500 | 380 | |
| KD559 | 2370*300*500 | 95*2500-3500 | 380 | |
| KD90 | 2380*310*500 | 95*2500-3500 | 390 | |
Control panel
The control panel is simple but facility.operator only push or pull the control rod all the working can be done,It can automaticlly feeding,feed force and speed are easy to control.The chuck and rod holder and act same time which make the drilling rig can load and unload drill rod same time,instrument panel show the system pressure,feed force and flushing water pressure,increase the working efficiency greatly.
Rotary Head
The innerdiameter of rotary head spindle is 58mm,change the jaws of the hydraulic chuck allows quick adaptation to different size rods.The spindle speed automatically adaptation by hydraulic motor.It can reach lowrotational speed and high torque when use 1:2.5 transmit ratio.
Rod Holder
Grilling action of the rod holder is synchronized with the hydraulic chuck.it grips mechanically but opens hydraulically.The main advantage with this design is that the rod holder will never loase it grip on the drilling string-even if the oil pressure should drop unexpetely;and guarantee the safety of drilling.
Mud Pump
Mud Pump,the auxiliary equipment for KD251 and KD252 drilling rig,is used to convey flushing liquid when drilling shallow holes by using diamonds,steel or carbide drilling bits.The liquid can carry include clean water,emulsion and slurry water etc.The BWJ-80A mud pump used on KD251,KD252 is the horizontal,single function,three cylinder reciprocating pistion pump.It can get three different flow level by speedchnage device.This type mud pump feature in simple structure,light weight,small in size,easy maintain and operation.
In Project
Service
In our after sales service system, We establish perfect control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.
We provide "one equipment & one case, endless service, namely
the after sales service begin from the order confirmation, last for
the working life of the equipment.
