Drawworks Assembly

Drawworks Assembly Drawworks is the core equpment and the primary hoisting gear in a rotary drilling rig. Our product confirm to API 7K standards. Superior quantity with competitive cost.

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Product Details

Drawworks Assembly
 Description and features:

  • Design and fabrication as per API 7K and petroleum industry related standards.

  • Mechanical drive or electrical drive type available, single, double or multiple shaft.

  • Main brake and auxiliary brake is reasonably designed to meet the requirement of power transmission and drilling operation.

  • Centralized control of hydraulic, pneumatic and electrical system, for easy operation.

  • Electrical drawworks gear reducer is designed with large module and  surface hardened tooth gears.

  • Modular design, compact size, easier for rig up and transportation.


  Specification for mechanical drive drawworks


     Model

Drawworks power
     (kW/HP)

Fastline pull
     (kN)

Wireline size
     (mm)

Shift

Brake hub dia.×width, mm

Auxiliary brake

Clutch model

JC14

257/350

140

φ22

/

Band brake, φ970X210

/

ATD224H

JC18/11

330/450

180

φ22

/

Band brake φ1070X210

Hydromatic brake /124WCB

ATD224H

JC21/11

450/
     550

210

φ26/φ29

/

Band brake φ1070X305
     Water cool

224WCB

ATD324H

JC28/11

550/735

280

φ29/φ32

/

Band brake φ1168X267 water cool

324WCB

ATD330H

750/1000

Band brake φ1270X267 water cool

236WCB

JC30

550/
     750

210

φ29/φ32

/

Disc brake PZ40
     φ1500X60

324WCB

ATD330H

JC40

735/
     1000

280

φ32

4F2R

Disk brake PZ40
     φ1500X76

FDWS40

LT1070/200T(low)LT900/250T(high)

JC50

1100/
     1500

350

φ35

6F2R

Disc brake PZ50
     φ1520×76

DWS50

LT1168/305T(low)LT965/305T(high)

JC70

1470/
     2000

485

φ38

6F2R

Disk brake PZ70
  φ1520×76

DWS70

LT1168/305T(low)LT965/305T(high)

Specification for electrical drive drawworks


     Model

Drawworks power(kW/ HP)

Fastline pull
     (kN)

Wireline size(mm)

Shift

Drum size


Brake hub size

Auxiliary brake

JC30DB

550/750

210

φ29/φ32

Stepless

φ560×1040

Disc brake PZ30
     φ1500×60

Dynamic brake

JC40DB

735/1000

280

φ32

Stepless

φ640×1208

Disc brakePZ40
     φ1500×60

Dynamic brake

JC40DJ

735/1000

280

φ32

4

φ640×1208

Disc brake PZ40
     φ1500×60

DWS40

JC40DZ

735/1000

280

φ32

4

φ640×1208

Band brake

236WCB

JC50DB

1100/1500

350

φ35

2 shift
     stepless

φ685×1300

Disc brake PZ50
     φ1520×76

Dynamic brake

JC50D

1100/1500

350

φ35

4F4R

φ685×1300

Disc brake PZ50
     φ1520×76

DWS50

JC70DB

1470/2000

485

φ38

2 shift
     stepless

φ770×1300

Disc brake PZ70
     φ1520×76

Dynamic brake

JC70D

1470/2000

485

φ38

4F4R

φ770×1300

Disc brake PZ70
     φ1520×76

DWS70


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