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Construction Crawler Crawler Borehole Hydraulic Crawler Type drills with Precision Technology

Categories Crawler Water Well Drilling Rig
Brand Name: ZHENGYUAN
Model Number: SL600S
Certification: ISO/CE
Place of Origin: CHINA
Place Of Origin: Shandong Province,China
MOQ: 1 SET
Price: $45000
Payment Terms: tt
Supply Ability: 25 sets / month
Delivery Time: 10-25 DAYS
Packaging Details: WOODEN CASE OR OTHER
imension: 6.73*2.1*2.63m
Max rotary speed: 12000/6000N.m
After-Sales Service Provided: Engineers Available To Service Machinery Overseas
Fast lifting speed: 33m/min
Drill pipe length: 6m
Working Pressure: 1.2-3.5Mpa
Usage: Water Well Drilling
Drill pipe diameter: 89/102mm
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Construction Crawler Crawler Borehole Hydraulic Crawler Type drills with Precision Technology

1.Power system maintenance

Diesel engine

Daily check

① Oil level (maintain scale scale at 1/2-2/3)

② Air filter pressure difference (replace immediately if it exceeds 25kPa)

③ Coolant pH value (controlled between 8.5-10.5)

500 hours of maintenance

l Replace the fuel filter element (Cummins recommends using the FF5745 model)

l Clean the carbon deposits on the turbocharger (wire brush is prohibited, use carburetor cleaner)

Fault warning

l Continuous emission of black smoke: clogged fuel injectors or insufficient air intake

l Water temperature exceeds 95 ℃: Check if the thermostat or radiator fins are blocked

Hydraulic system

Key maintenance points

l Hydraulic oil cleanliness (NAS level 8 standard, quarterly testing)

l Pump body vibration value (axial vibration ≤ 4.5mm/s, using Fluke 810 vibrometer)

l Seal replacement cycle (Parker brand seal rings must be replaced every 2000 hours)

Operation taboos

l Prohibit mixing hydraulic oils of different brands (such as Shell and Mobil, which need to be thoroughly rinsed)

l Before starting in winter, the oil temperature needs to be preheated to ≥ 15 ℃ (through the fuel tank heating plate)

2.Maintenance of drilling tool system

Drill rod and drill bit

Maintenance Object

Operating specifications

Tools/Materials

International Standards

Drill pipe thread

Apply EP-2 thread grease after each disassembly

Copper wire brush cleaning

API RP 7A

Pdc bits

Cover the tooth tips with anti rust film during storage

VCI gas-phase rust proof paper

ISO 10407

Drill collar stabilizer

Scrap if radial wear exceeds 3mm

Laser caliper

API SPEC 7-1

Sleeve maintenance

Storage requirements

l Stacking no more than 5 layers, separated by wooden mats between layers (spacing ≥ 30cm)

l The end sealing cover maintains airtightness (in environments with humidity<60%)

Pre well inspection

l Ultrasonic testing (prohibited for wall thickness deviation>10%)

l Ellipticity measurement (straightening is required if it exceeds 1% of the nominal diameter)



3.Cycle system maintenance

Mud pump

Management of vulnerable parts

l Piston lifespan: 200-300 hours (in hard formation conditions)

l Valve seat sealing ring: Check the compression amount every 72 hours (replace if it is less than 1.5mm)

Washing standards

l Immediately rinse the flow channel with clean water after stopping the pump (to prevent mud solidification)

l Clean scale with 5% oxalic acid solution every week (soaking time ≤ 30 minutes)

SOLID CONTROL EQUIPMENT

Device Type

Maintenance focus

Testing tools

Parameters Standard

Vibrating screen

Screen tension maintained at 50-70N

Tensiometer

API RP 13C

Desander

Cyclone cone angle wear>2 ° replacement

Angle gauge

ISO 13501

Centrifuge

Differential oil temperature 85 ℃

Infrared thermometer

GB/T 10901

4.Control system maintenance

Electronic components

l Moisture and dust prevention

l Place silicone desiccant inside the PLC cabinet (start the heater when humidity exceeds 80%)

l CRC 2-26 spray Anti oxidation for Optical Fiber Connector

Software maintenance

l Siemens S7-1500 monthly backup program to encrypted USB drive

l Daily analysis of system logs (with a focus on Error 0x8005 code)

Sensor calibration

Sensor calibration Sensor type

Calibration cycle

Standard Equipment

Allowable error

Pressure sensor

6 months

Fluke 729

≤0.5%FS

tilt sensor

12 months

Wyler Clinometer

±0.1°

The torque sensor

3 months

HBM T12

±1%

5.Maintenance of well control system

Blowout preventer group (BOP)

Functional testing

· Weekly remote control console accumulator pressure detection (17.5-21MPa)

· Monthly full-size gate shear test (cutting time ≤ 45 seconds for a drill pipe with a diameter of 127mm)

Sealing management

· Circular rubber core storage temperature 10-25 ℃ (avoid direct sunlight)

· The amount of sealing grease added to the gate should be ≥ 4.5kg each time (using Shaffer special grease)




6.Maintenance cycle summary table

Maintenance level

Time/Mileage

core content

Estimated working hours

Routine maintenance

Every 8 hours

Oil level/filter element/bolt inspection

0.5-1 hour

elementary maintenance

250 hours

Lubrication point oil injection+instrument calibration

2-3 hours

Secondary maintenance

1000 hours

Hydraulic oil replacement+gearbox disassembly and inspection

8-12 hours

Overhaul and maintenance

8000 hours

Engine maintenance+structural component inspection

72 hours+

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