ZJ40 Drilling Rig Racking Board Related Parts

1

Racking board body

Z04160208025AA

Alloy Steel (Q355B) with Shot Blasting & Anti-Corrosion Coating

1. Stress concentration-induced cracking under heavy load; 2. Impact damage from drill pipes; 3. Corrosion by drilling fluid and outdoor exposure.

1. Inspect for cracks monthly per API Spec 7K; 2. Use buffer pads to reduce pipe impact; 3. Touch up anti-corrosion coating annually.

2

Board body

P9860084AA

Carbon Steel (Q235B) with Surface Rust Prevention

1. Bending deformation from uneven load; 2. Wear from frequent operator contact; 3. Corrosion in humid drilling environments.

1. Ensure uniform load distribution; 2. Clean surface oil stains regularly; 3. Apply anti-rust paint every 6 months.

3

Main pedal

Z04160204104AA

Carbon Steel (Q235B) with Anti-Slip Surface Treatment

1. Wear of anti-slip layer from frequent treading; 2. Corrosion by oil and water; 3. Deformation from heavy impact.

1. Replace if anti-slip layer wears down by 30%; 2. Clean surface promptly to remove oil; 3. Avoid dropping heavy objects on the pedal.

4

Telescoping pedal

Z04160203097AA

Alloy Steel (Q235B) with Telescopic Mechanism

1. Wear of telescopic rails from repeated movement; 2. Jamming by debris; 3. Corrosion-induced mechanism failure.

1. Clean telescopic rails weekly to remove debris; 2. Apply lithium-based grease to rails monthly; 3. Avoid forced telescoping when jammed.

5

Small pedal

Z04160202111AA

Carbon Steel (Q235A) with Anti-Slip Coating

1. Local wear from concentrated operator load; 2. Corrosion by drilling fluid splashes; 3. Bending from uneven treading.

1. Distribute weight evenly when standing; 2. Wipe off drilling fluid splashes promptly; 3. Inspect flatness quarterly.

6

Pedal

Z04160302070AA

Carbon Steel (Q235B) with Anti-Slip Surface

1. Wear of anti-slip layer from frequent treading; 2. Corrosion by oil and water; 3. Deformation from heavy impact.

1. Replace if anti-slip layer wears down by 30%; 2. Clean surface promptly to remove oil; 3. Avoid dropping heavy objects on the pedal.

7

Pedal

Z04160303130AA

Carbon Steel (Q235B) with Anti-Slip Surface

1. Wear of anti-slip layer from frequent treading; 2. Corrosion by oil and water; 3. Deformation from heavy impact.

1. Replace if anti-slip layer wears down by 30%; 2. Clean surface promptly to remove oil; 3. Avoid dropping heavy objects on the pedal.

8

Auxiliary frame

Z04160205055AA

Alloy Steel (Q355B) with Welded Reinforcement

1. Welding joint fatigue under repeated load; 2. Deformation from lateral force; 3. Corrosion by outdoor exposure.

1. Inspect welding joints monthly for cracks; 2. Avoid lateral impact during operation; 3. Apply anti-corrosion grease to welds.

9

Line post

Z04160213006AA

Alloy Steel (40Cr) with Heat Treatment

1. Wear from wire rope friction; 2. Bending deformation from lateral pull; 3. Corrosion-induced structural weakening.

1. Align wire rope to reduce friction; 2. Inspect for bending monthly; 3. Apply anti-rust oil after cleaning.

1

Small guardrails

P6004579AA

Carbon Steel (Q235B) with Anti-Rust Paint

1. Impact damage from equipment or debris; 2. Corrosion by drilling fluid; 3. Loosening of connecting fasteners.

1. Install protective buffers at vulnerable points; 2. Touch up anti-rust paint when peeling; 3. Tighten connecting bolts weekly.

2

Guardrails

Z04160303193AA

Alloy Steel (Q355B) with Welded Structure

1. Welding joint fatigue; 2. Impact deformation; 3. Corrosion from outdoor and drilling environments.

1. Inspect welding joints monthly for cracks; 2. Avoid collision with heavy equipment; 3. Apply anti-corrosion coating annually.

3

Guardrails

P7100157AA

Alloy Steel (Q355B) with Welded Structure

1. Welding joint fatigue; 2. Impact deformation; 3. Corrosion from outdoor and drilling environments.

1. Inspect welding joints monthly for cracks; 2. Avoid collision with heavy equipment; 3. Apply anti-corrosion coating annually.

4

Windwall at off driller's side

Z04160204011AA

Carbon Steel (Q235A) with Sealing Treatment

1. Impact damage from wind-blown debris; 2. Corrosion by rain and drilling fluid; 3. Deformation from strong wind.

1. Clear surrounding debris regularly; 2. Apply waterproof anti-rust paint; 3. Reinforce connections in windy conditions.

5

Windwalls at driller's side

Z04160400093AA

Carbon Steel (Q235A) with Sealing Treatment

1. Impact damage from wind-blown debris; 2. Corrosion by rain and drilling fluid; 3. Deformation from strong wind.

1. Clear surrounding debris regularly; 2. Apply waterproof anti-rust paint; 3. Reinforce connections in windy conditions.

6

Hanger, safety line

Z04160213012AA

Alloy Steel (35CrMoA) with Load-Bearing Reinforcement

1. Fatigue wear from safety line tension; 2. Corrosion by harsh environments; 3. Loosening of mounting fasteners.

1. Inspect load-bearing capacity quarterly; 2. Apply anti-corrosion grease regularly; 3. Tighten mounting bolts monthly.

7

Locking pin, operation platform

G05180100001AA

Carbon Steel (45#) with Quenching Treatment

1. Wear from repeated insertion/removal; 2. Rust-induced jamming; 3. Bending from improper use.

1. Apply lubricant to the pin surface monthly; 2. Clean and dry after use; 3. Avoid forced insertion/removal.

1

Sheave

P0300020AA

High Carbon Steel (45#) with Surface Hardening

1. Groove wear from wire rope friction; 2. Impact damage during pipe handling; 3. Rust from humid environments.

1. Check groove wear weekly (replace if wear exceeds 0.5mm); 2. Align wire rope with grooves; 3. Apply anti-rust oil biweekly.

2

Shaft

P2400113AA

Alloy Steel (40Cr) with Quenching & Tempering

1. Fatigue wear from long-term rotation; 2. Misalignment-induced uneven wear; 3. Corrosion by drilling fluid.

1. Align strictly during installation per API Spec 8C; 2. Apply lithium-based grease monthly; 3. Conduct magnetic particle inspection quarterly.

3

Copper sleeve

P1400130AA

Phosphor Bronze (QSn6.5-0.1)

1. Dry friction-induced wear (lack of lubrication); 2. Abrasion by metal impurities; 3. Deformation from radial load.

1. Fill with molybdenum disulfide lubricant before installation; 2. Clean shaft surface to remove impurities; 3. Replace if clearance exceeds 0.1mm.

4

Telescoping sleeve

Z04160210004AA

Alloy Steel (Q235B) with Telescopic Structure

1. Wear of inner/outer sleeves from repeated movement; 2. Jamming by debris; 3. Corrosion-induced seizing.

1. Clean sleeve surfaces weekly; 2. Apply lubricant to contact points monthly; 3. Avoid forced extension/retraction.

5

Spacing sleeve

P1400144AA

Carbon Steel (45#) with Precision Machining

1. Wear from axial movement; 2. Deformation from uneven force; 3. Corrosion by drilling fluid.

1. Check fit clearance with shaft before installation; 2. Ensure uniform force distribution; 3. Apply anti-rust grease after cleaning.

6

Wireline

P9990075AA

High-Strength Steel Wire Rope (6×19S+FC)

1. Fatigue wear from repeated bending; 2. Abrasion by sheaves and clamps; 3. Rust from humid/chemical environments.

1. Check for broken wires weekly (replace if ≥3 in 1 lay); 2. Apply wire rope grease monthly; 3. Avoid sharp bending.

7

Line clamp 10

4400200010

Alloy Steel (35CrMoA)

1. Clamping surface wear from wire rope friction; 2. Bolt loosening leading to slippage; 3. Corrosion-induced structural weakening.

1. Tighten bolts to 55-60 N·m torque; 2. Inspect clamping surface monthly; 3. Apply anti-rust grease to threads.

1

Flat pin

P2000512AA

Carbon Steel (Q235A) with Chromium Plating

1. Wear from rotational friction; 2. Plating wear leading to rust; 3. Bending from lateral force.

1. Apply lubricant to surface monthly; 2. Inspect for bending weekly; 3. Replace if plating is severely worn.

2

Bolt M10X80

4303310080

Carbon Steel (45#) with Heat Treatment

1. Thread wear from vibration; 2. Fatigue fracture from over-tightening; 3. Corrosion by drilling fluid.

1. Tighten to 35-40 N·m torque; 2. Use lock washers; 3. Apply anti-rust adhesive to threads.

3

Slotted nut M10

4311700010

Carbon Steel (45#)

1. Thread stripping from vibration; 2. Corrosion-induced seizing; 3. Wear from repeated disassembly.

1. Apply anti-seize agent to threads; 2. Use cotter pins to prevent loosening; 3. Replace if thread damage is found.

4

Retaining plate

P6001133AA

Carbon Steel (Q235A)

1. Wear from component friction; 2. Deformation from excessive pressure; 3. Corrosion in humid environments.

1. Inspect flatness before installation; 2. Apply lubricant at friction points; 3. Apply anti-rust paint regularly.

5

Pin plate

P6004573AA

Carbon Steel (Q235A)

1. Wear from pin movement; 2. Corrosion by drilling fluid; 3. Loosening of connecting bolts.

1. Tighten connecting bolts weekly; 2. Clean surface to remove drilling fluid; 3. Replace if pin holes are worn.

6

Pin plate

P6004574AA

Carbon Steel (Q235A)

1. Wear from pin movement; 2. Corrosion by drilling fluid; 3. Loosening of connecting bolts.

1. Tighten connecting bolts weekly; 2. Clean surface to remove drilling fluid; 3. Replace if pin holes are worn.

7

Tension ring

P9860043AA

Alloy Steel (35CrMoA)

1. Fatigue wear from repeated tension; 2. Corrosion by harsh environments; 3. Deformation from over-tensioning.

1. Avoid over-tensioning beyond rated capacity; 2. Inspect for cracks monthly; 3. Apply anti-corrosion grease regularly.

8

Tension ring

P9860062AA

Alloy Steel (35CrMoA)

1. Fatigue wear from repeated tension; 2. Corrosion by harsh environments; 3. Deformation from over-tensioning.

1. Avoid over-tensioning beyond rated capacity; 2. Inspect for cracks monthly; 3. Apply anti-corrosion grease regularly.

9

Lifting ring

P2200210AA

Alloy Steel (35CrMoA) with Load-Bearing Design

1. Fatigue wear from lifting loads; 2. Corrosion by drilling fluid; 3. Loosening of mounting bolts.

1. Inspect load-bearing capacity quarterly; 2. Tighten mounting bolts monthly; 3. Apply anti-rust grease after use.

10

Bolt

P1200151AA

Carbon Steel (45#)

1. Thread wear from vibration; 2. Fatigue fracture from heavy load; 3. Corrosion by humid environments.

1. Tighten to standard torque (per equipment manual); 2. Use lock washers; 3. Apply anti-rust paint to exposed threads.

11

Self-lock nut

P6300076AA

Carbon Steel (45#) with Self-Locking Mechanism

1. Self-locking mechanism failure from wear; 2. Thread stripping from vibration; 3. Corrosion-induced seizing.

1. Replace if self-locking function weakens; 2. Apply anti-seize agent to threads; 3. Avoid over-tightening.

12

Connection plate

P6900045AA

Alloy Steel (Q355B) with Welded Connections

1. Welding joint fatigue; 2. Wear from component movement; 3. Corrosion by drilling fluid.

1. Inspect welding joints monthly; 2. Apply lubricant at contact points; 3. Touch up anti-corrosion coating.

13

Oil cup M10X1

4101800008

Brass

1. Blockage by lubricant impurities; 2. Thread wear from frequent oil injection; 3. Corrosion by chemical agents.

1. Filter lubricant before injection; 2. Avoid over-tightening during installation; 3. Clean monthly.

14

Bolt

P2200233AA

Carbon Steel (45#)

1. Thread wear from vibration; 2. Fatigue fracture from heavy load; 3. Corrosion by humid environments.

1. Tighten to standard torque (per equipment manual); 2. Use lock washers; 3. Apply anti-rust paint to exposed threads.

15

Nut M30X2

4310000030

Carbon Steel (45#) with Heat Treatment

1. Thread wear from heavy load; 2. Corrosion-induced seizing; 3. Loosening from vibration.

1. Apply anti-seize agent to threads; 2. Use lock washers; 3. Re-tighten after 50 hours of operation.

16

Connection plate

P6900054AA

Alloy Steel (Q355B) with Welded Connections

1. Welding joint fatigue; 2. Wear from component movement; 3. Corrosion by drilling fluid.

1. Inspect welding joints monthly; 2. Apply lubricant at contact points; 3. Touch up anti-corrosion coating.

17

Angle steel seat

P9810182AA

Carbon Steel (Q235B) with Welded Base

1. Welding joint fatigue; 2. Deformation from uneven load; 3. Corrosion by outdoor exposure.

1. Inspect welding joints monthly; 2. Ensure level installation; 3. Apply anti-rust paint annually.

18

Bolt M8X30

4303608030

Carbon Steel (45#)

1. Thread wear from vibration; 2. Fatigue fracture from over-tightening; 3. Corrosion by humid environments.

1. Tighten to 15-20 N·m torque; 2. Use lock washers; 3. Apply anti-rust adhesive to threads.

19

Nut M8

4309300008

Carbon Steel (45#)

1. Thread stripping from vibration; 2. Corrosion-induced seizing; 3. Wear from repeated disassembly.

1. Replace together with bolts; 2. Apply anti-seize agent to threads; 3. Re-tighten weekly.

20

Washer 8

4313000008

Carbon Steel (Q235A) with Zinc Plating

1. Elastic fatigue from vibration; 2. Zinc layer wear leading to corrosion; 3. Deformation from over-tightening.

1. Replace with bolts/nuts as a set; 2. Avoid over-tightening; 3. Touch up anti-corrosion coating if needed.

21

Cotter pin 1.6X14

4314516014

Carbon Steel (Q235A)

1. Fatigue breakage from vibration; 2. Rust and corrosion; 3. Bending from improper insertion.

1. Replace every 3 months; 2. Apply anti-rust oil regularly; 3. Ensure full insertion and proper bending.

22

Side pull plate

P6900046AA

Alloy Steel (Q355B)

1. Wear from pulling force; 2. Welding joint fatigue; 3. Corrosion by drilling fluid.

1. Inspect for cracks monthly; 2. Tighten connecting bolts weekly; 3. Apply anti-corrosion grease regularly.

23

Nut M16

4309300016

Carbon Steel (45#) with Heat Treatment

1. Thread wear from vibration; 2. Corrosion-induced seizing; 3. Wear from repeated disassembly.

1. Apply anti-seize agent to threads; 2. Use lock washers; 3. Replace if thread damage is found.

24

Flat washer 16

4313200016

Carbon Steel (Q235A) with Zinc Plating

1. Elastic fatigue from vibration; 2. Zinc layer wear leading to corrosion; 3. Deformation from over-tightening.

1. Replace with nuts/bolts as a set; 2. Avoid over-tightening; 3. Touch up anti-corrosion coating if needed.

25

Cotter pin 4X20

4314504020

Carbon Steel (Q235A)

1. Fatigue breakage from vibration; 2. Rust and corrosion; 3. Bending from improper insertion.

1. Replace every 3 months; 2. Apply anti-rust oil regularly; 3. Ensure full insertion and proper bending.

26

Reinforcing plate

P6041579AA

Alloy Steel (Q355B)

1. Welding joint fatigue; 2. Wear from component friction; 3. Corrosion by drilling fluid.

1. Inspect welding joints monthly; 2. Apply lubricant at friction points; 3. Touch up anti-corrosion coating.

27

Supporting seat, side plate

P7100008AA

Alloy Steel (Q355B) with Precision Machining

1. Wear from component movement; 2. Deformation from uneven load; 3. Corrosion by drilling fluid.

1. Ensure proper alignment during installation; 2. Inspect for deformation quarterly; 3. Apply anti-rust grease regularly.

28

Cotter pin φ3.2X20

4314503020

Carbon Steel (Q235A)

1. Fatigue breakage from vibration; 2. Rust and corrosion; 3. Bending from improper insertion.

1. Replace every 3 months; 2. Apply anti-rust oil regularly; 3. Ensure full insertion and proper bending.

29

Pin shaft φ16X50(B)

4314816050

Alloy Steel (40Cr) with Quenching Treatment

1. Wear from rotational friction; 2. Corrosion by drilling fluid; 3. Bending from lateral force.

1. Apply lithium-based grease monthly; 2. Inspect for bending weekly; 3. Conduct magnetic particle inspection quarterly.

30

Support

Z04160302071AA

Alloy Steel (Q355B)

1. Stress concentration-induced cracking; 2. Deformation from heavy load; 3. Corrosion by outdoor exposure.

1. Inspect for cracks monthly; 2. Ensure uniform load distribution; 3. Apply anti-corrosion coating annually.

31

Pin shaft φ16X85(B)

4314816085

Alloy Steel (40Cr) with Quenching Treatment

1. Wear from rotational friction; 2. Corrosion by drilling fluid; 3. Bending from lateral force.

1. Apply lithium-based grease monthly; 2. Inspect for bending weekly; 3. Conduct magnetic particle inspection quarterly.

1

Small nameplate

P6004579AA

Stainless Steel (304) with Engraved Markings

1. Fading of markings from outdoor exposure; 2. Scratching from debris; 3. Corrosion in harsh environments.

1. Clean surface regularly to remove debris; 2. Avoid scratching with sharp objects; 3. Apply protective film if needed.

1

What standards do these racking board parts comply with?

All parts meet API Spec 7K (Drilling and Production Hoisting Equipment) and GB/T 1591-2018 (Alloy Structural Steels) standards, ensuring compatibility with ZJ40 drilling rigs and adherence to industrial safety and durability requirements.

2

How to handle seized self-lock nuts during disassembly?

Do not force disassembly. Apply penetrating oil to threads and let it sit for 1-2 hours to loosen corrosion. If threads are severely damaged, replace the nut and matching bolt with original parts to ensure reliable fastening.

3

What is the recommended inspection cycle for safety-related components?

Guardrails, safety line hangers, and locking pins should be inspected weekly for loosening or damage. Replace worn or damaged safety components immediately. Conduct a comprehensive safety inspection monthly to ensure operator protection.