石狮ZJ90 land drilling rig

The power of ZJ90 land drilling rig adopts the linkage form of 3 or 4 machines driven by diesel engine + hydraulic torque converter or coupling positive carriage; the winch drum is slotted; the main brake adopts hydraulic disc brake, and the auxiliary brake adopts electromagnetic eddy current brake;

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石狮Land drilling rig

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产品描述

1. The power adopts the 3-machine or 4-machine linkage form of diesel engine hydraulic torque converter or coupling positive carriage transmission;

2. The winch drum is slotted; the main brake adopts hydraulic disc brake, and the auxiliary brake adopts electromagnetic eddy current brake;

3. At the same time, it is equipped with auxiliary lifting device; pneumatic clutch is used to shift gears;

4. The winch shall be arranged in a split manner on the platform and under the platform, and the winch shall be installed in a low position;

5. The base adopts box-block type or front-end rotating and back-end block-loading structure (the drill floor of ZJ40/2250LDB drilling rig adopts stacked box structure);

6. The turntable is independently driven by AC variable frequency motor or DC motor, and the turntable can be driven at 0-240 r/min. Between stepless speed regulation;

7. Integral chain box and car device and car; High-power three-cylinder single-acting mud pump with cardan shaft drive mode;

3000HP series drilling rig parameter model
Model: U.S Met	ZJ90/6750L	ZJ90/6750LDB	ZJ90/6750D	ZJ90/6750DB
Nominal drilling depth 4-1/2 "drill pipe ft m 5 "drill pipe ft m	19700-30000 6000-9000 16400-26250 5000-8000	19700-30000; 6000-9000 16400-26250 5000-8000	19700-30000 6000-9000 16400-26250 5000-8000	19700-30000 6000-9000 16400-26250 5000-8000
Maximum static hook load: KIPS KN	1518 6750	1518 6750	1518 6750	1518 6750
Maximum string weight: KIPS KN	652 2900	652 2900	731 3250	731 3250
Maximum input power of drawworks: hp Kw	3000 2321	3000 2321	3000 2321	3000 2700
Number of drawworks	4 positive 2 upside down	4	4 positive 4 upside down stepless speed change	2 positive 2 upside down stepless speed change
Main brake type	Disc brake/band brake	Disc brake/band brake	Disc brake/band brake	Disc brake
Auxiliary brake type	Eddy Current Brake/ E.T.N Brake	Eddy Current Brake/ E.T.N Brake	Energy consumption brake/eddy current brake /E. T.N brake	energy consumption braking
Wire rope diameter: in mm	1-5/8 42	1-5/8 42	1-5/8 42	1-3/4 45
Maximum rope system	7x8	7x8	7x8	7x8
Lifting system rope threading method	Shun wear/flower wear	Shun wear/flower wear	Shun wear/flower wear	Shun wear/flower wear
Diameter of traveling pulley: in mm	60 1524	60 1524	60 1524	60 1524
Rotary table opening diameter: in mm	49-1/2 1260	49-1/2 1260	49-1/2 1260	37-1/2 952.5
Rotary table driving mode	compound drive	Independent drive	Composite/independent drive	Independent drive
Effective height of derrick: ft m	157 48	157 48	152 46.5	152 46.5
Base height: ft m	29.5,34.5 9,10.5 39.4 12	29.5,34.5 9,10.5 39.4 12	29.5,34.5 9,10.5 39.4 12	29.5,34.5 9,10.5 39.4 12
Base headroom: ft m	25,30 7.62,9.12 34.8 10.6	25,30 7.62,9.12 34.8 10.6	25,30 7.62,9.12 34.8 10.6	25,30 7.62,9.12 34.8 10.6
Single mud pump power: hp KW	1600 1180	1600 1180	1600 1180	1600 1180
Number of mud pumps	3	3	3	3
Transmission mode	Integral chain box	Integral chain box	AC-SCR-DC	AC-SCR-DC(VFD)
Diesel engine power: hp KW	1632 1200	1632 1200	1632 1200	1632 1200
Number of diesel engines	4	4	5	5
Total capacity of mud tank: BBL m3	3900 590	3900 590	3900 590	3900 590