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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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api standard overshot assembly double tube mining drilling tools hq core barrel for surface wireline drilling
>> Introduction
A wireline coring system includes core barrel assembly and overshot assembly.The core barrel assembly is composed of inner tube group and outer tube group.Inner & outer tubes have standard length of 1.5 meters and 3 meters.
The head assembly provides: latching and pivoting spearpoint
mechanisms to allow insertion and retrieval of the inner tube
assembly, a bearing assembly to allow the inner tube to remain
stationary and avoid sample damage while drilling, fluid pressure
operating indications and fluid control valves.
All head assemblies incorporate a shut off valve assembly which provides a fluid pressure signal to the drill operator when the valve members are compressed, indicating a full or blocked inner tube.
The core barrel assembly is composed of the inner-tube group and
outer-tube group.The inner-tube group is composed of:Head Assembly,Inner Tube,Core Lifter Case,Core Lifter,Stop Ring.
The inner-tube group collects the core sample during the drilling
process and is independent of the outer-tube group. The outer-tube
group is composed of the remainder of the core barrel components:
Locking Coupling,Adapter Coupling,Outer Tube.
The outer-tube group always remains at the bottom of the hole and
houses the inner-tube group during the drilling process.
| ID# | Item | Description | Unit | Weight(Kg) |
| AQ | ||||
| 1-11 | 3m core barrel | SZJ-AQ-3000 | Set | 24.27 |
| 1-11 | 1.5m core barrel | SZJ-AQ-1500 | Set | 15.29 |
| BQ | ||||
| 1-11 | 3m core barrel | SZJ-BQ-3000 | Set | 40.45 |
| 1-11 | 1.5m core barrel | SZJ-BQ-1500 | Set | 25.49 |
| NQ | ||||
| 1-11 | 3m core barrel | SZJ-NQ-3000 | Set | 64.88 |
| 1-11 | 1.5m core barrel | SZJ-NQ-1500 | Set | 47.31 |
| HQ | ||||
| 1-11 | 3m core barrel | SZJ-HQ-3000 | Set | 98.30 |
| 1-11 | 1.5m core barrel | SZJ-HQ-1500 | Set | 67.53 |
| PQ | ||||
| 1-11 | 3m core barrel | SZJ-PQ-3000 | Set | 142.50 |
| 1-11 | 1.5m core barrel | SZJ-PQ-1500 | Set | 100.29 |
| Double tube surface | ||||
| Size(surface exploration drill) | Metric system(mm) | Imperial system(in) | ||
| Hole diameter | Core diameter | Hole diameter | Core diameter | |
| BQ | 60 | 36.4 | 2.36 | 1.43 |
| NQ | 75.7 | 47.6 | 2.98 | 1.88 |
| HQ | 96.1 | 63.5 | 3.78 | 2.5 |
| PQ | 122.7 | 85 | 4.83 | 3.34 |
| Triple tube surface | ||||
| NQ3 | 75.7 | 45 | 2.98 | 1.78 |
| HQ3 | 96.1 | 61.1 | 3.78 | 2.41 |
| PQ3 | 122.7 | 83 | 4.83 | 3.27 |
>> HQ Head Assembly structure diagram
| ID# | Item | Decription | Unit | Weight(kg) |
| 1-29 | Head Assembly | HQ-TKZC | Set | 18.90 |
| 1 | Spearhead | HQ-TK-LMT | Pc | 0.27 |
| 2 | Detent Spring | HQ-TK-DWTH | Pc | 0.01 |
| 3 | Detent pin | HQ-TK-DWX | Pc | 0.02 |
| 4 | Spearhead point base | HQ-TK-MTZ | Pc | 0.8 |
| 5 | Latch retracting case | HQ-TK-HSG | Pc | 2.9 |
| 6 | Spring pin | TXX-11*35 | Pc | 0.01 |
| 7 | Spring pin(2) | TXX-12.7*70 | Group | 0.08 |
| 8 | Bolt | LS-M8*25 | Pc | 0.01 |
| 9 | Washer | HQ-TK-DP | Pc | 0.2 |
| 10 | Compression spring | HQ-TK-YSTH | Pcs | 0.2 |
| 11 | Upper latch body | HQ-TK-TKJ | Pc | 2.2 |
| 12 | Link(2) | HQ-TK-LJB | Pair | 0.12 |
| 13 | Latch(2) | HQ-TK-TKB | Pair | 0.66 |
| 14 | Spring pin | TXX-12.7*50 | Pc | 0.03 |
| 15 | Landing shoulder | HQ-TK-XGH | Pc | 0.15 |
| 16 | Seal valve | HQ-TK-MFF | Pc | 0.02 |
| 17 | Lower latch body | HQ-TK-XGJT | Pc | 2.3 |
| 18 | Stover lock nut | HQ-TK-TJLM | Pc | 0.25 |
| 19 | Spindle | HQ-TK-ZZ | Pc | 2.7 |
| 20A | Shut-off valve hard | HQ-TK-FP | Pc | 0.05 |
| 20B | Shut-off valve soft | HQ-TK-FP-H | Pc | 0.05 |
| 21 | Adjusting washer(2) | HQ-TK-JGD | Group | 0.28 |
| 22 | Bearing(2) | ZC-569306 | Group | 0.35 |
| 23 | Thrust ring | HQ-TK-ZCHT | Pc | 0.25 |
| 24 | Spindle bushing | HQ-TK-ZCZ | Pc | 1.6 |
| 25 | Bearing | ZC-51305 | Pc | 0.17 |
| 26 | Compression spring | HQ-TK-ZZTH | Pc | 0.3 |
| 27 | Lock nut | ZSLM-M24 | Pc | 0.1 |
| 28 | Inner tube cap Assembly | HQ-TK-NGJTZC | Pc | 3.07 |
| 28A | Inner tube cap | HQ-TK-NGJT | Pc | 2.8 |
| 28B | Grease fitting | ZYZ-M6*1 | Pc | 0.01 |
| 28C | Ball(2) | GQ-22 | Group | 0.08 |
| 28D | Check valve body | HQ-TK-FYG | Pc | 0.18 |
>> Package & Shipment
>> About Us
 | JCDRILL provide users high quality Mining & Drilling solutions,we always focus on the strategic conception of "Survival by quality, Development by credit''.
We have specilized in research, development and produce of rock blasting drilling rig, water well drilling rig, diamond core drilling rig, anchor drilling rig, and relative accessories & drilling services. constantly provide professional drilling solutions for all customers with our advanced technology, excellent equipment, strict testing means and good service network, which establish our brand "JCDRILL" a good image of market, now,we products account for 50% of domestic market and have been export to more than 40 countries, and we awarded ISO9001: 2000 in November, 2002.
With excellent technology and solid market service capabilities, we have both a sound marketing system and excellent service support system, which help us win confidence of customers both at home and abroad,we can provide drilling rig users with high quality professional air compressor solution and relative after-sales service also.
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