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Crane Systems and Related EquipmentCrane Saddle: TLU Type(Single Speed Type)

Index

Overview

The wheel unit is a pair of a driving side and a trailing side of the TL type toprun crane saddle, it works on custom-made saddles, crab cranes or traverser.

Specifications

  • Source Power
    3-Phase 200V 50/60Hz, 220V 60Hz, 380V to 400V/415V 50Hz, 400V to 440V 60Hz
  • Max. No. of starts per hour and duty factor
    Max. No. of starts per hour: 250 starts/h (THM5-45 and TLM5-45: 150 starts/h), Duty factor: 25%
  • Protection Structure
    Dust proofing and indoor application (GU can be used outdoor)
Model
Specification		 TLU5-28 TLU5-56
Max Wheel Load (ton) 2.8 5.6
Traveling Speed 50/60Hz (m/min) 21/25
Motor Output 50/60Hz (kW) 0.30/0.36
(with brake)		 0.70/0.84
(with brake)
No. of Poles 4
No. of starts per hour and duty factor 250 starts/h, 25%ED
Power Source (3-phase) 200V 50Hz/60Hz, 220V 60Hz, 380 to 400V/415V 50Hz, 400V to 440V 60Hz
Traveling Rail (kg) 22 30
Wheel Diameter. (mm) (Material) φ180 (FCD) φ250 (FCD)
Approx. Weight (kg) 65 125
  • The saddle is coated for rust prevention only.

Saddle Selection

The wheel unit is produced based on the wheel load. Select the wheel unit by the following chart when the unit is used for long span rails more than 13 meters that exceeds the specification of the Hitachi toprun type crane saddle, a crab or a traverser, and use it with your frame. Two pairs are required when the wheel unit is used for a crane, a crab or a traverser.

Models

Type Max. Wheel Load (ton) Max. Span (m) Traversing Speed (m/min) Models Body Frame Structure
Toprun Type Saddle TH Type 1 10 21/25 TH5-10 Double-channel structure
2.8 12 TH5-28
3 16 TH5-30
3 20 THL5-30
5.6 18 TH5-56
5.6 20 THL5-56
7.5 20 TH5-75
11.2 20 25/30 TH-112
Toprun Type Trackless Saddle TLM Type 2.8 14 21/25 TLM5-28 Double-channel structure
3.2 16 TLM5-30
4.5 18 TLM5-45
10.0 20 TLM5-100
Suspension Type Crane Saddle SL Type 0.6 10 21/25 SL-6 L-type frame structure
1 10 SL5-10 Double-channel structure
2.8 12 SL6-28
3.0 16 SL5-30
5.6 16 SL5-56
Suspension Type Polyurethane Rubber Wheel Saddle SLM Type 1 10 SLM5-10 Double-channel structure
2.8 12 SLM5-28
Wheel Unit for Toprun Type Saddle TLU Type 2.8 — TLU5-28 —
5.6 — TLU5-56
Wheel Unit for Gantry Crane Saddle GU Type 4.5 — 25/30 GU-45 —
5.6 — 30/36 GU5-56
7.5 — GU5-75
  • When you use the wheel made of polyurethane rubber, be sure to earth the saddle body with a dedicated earth wire. When you use the earth brush in stead of the earth wire, remove coating and rust, and be sure to clean the surface of the rail so that the earth functions well.

Wheel Load Calculation

Traverser

Crab

Gantry Crane

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