13-3 Equalizing (Balance) Wheel
Tension-balancing wheel for the twin rope branches of ratchet compensation systems.
Specifications
| Model | 13-3 |
|---|---|
| Standard | TB/T 2075.13-2024, Fittings for overhead contact system of electrification railway — Part 13: Ratchet compensation devices |
| Installation | At the compensation rope branch of ratchet tensioning devices |
The 13-3 equalizing wheel is installed at the branch point of the compensation ropes in a ratchet compensation system, where it balances the tension of the messenger wire and contact wire branches so that both ropes share the load evenly.
Manufactured to TB/T 2075.13-2024, Fittings for overhead contact system of electrification railway — Part 13: Ratchet compensation devices, the wheel body rotates freely on its axle and automatically equalizes tension differences between the branches during compensation travel. The rope groove profile matches the compensation rope diameter, preventing uneven wear and rope derailment.
The forged wheel frame carries the system load, and the rotating parts use a maintenance-free arrangement suited to outdoor service. Its compact outline bolts directly into the ratchet compensation assembly.
Henan Chuangwit Railway Equipment Co., Ltd. supplies the 13-3 as part of the complete ratchet compensation set, certified under CRCC, with matching groove dimensions guaranteed across the rope and pulley components.
Frequently Asked Questions
What is the function of the equalizing wheel?
It balances the tension between the branch ropes of a ratchet compensation system so the messenger wire and contact wire compensating ropes share tension evenly.
Why does tension balancing matter?
Uneven branch tension causes uneven rope wear and can distort the compensation ratio; the rotating wheel self-balances the two branches during operation.
Which systems does it fit?
Ratchet compensation systems per TB/T 2075.13-2024, mounted at the branch point of the messenger and contact wire compensation ropes.
Performance
Operating Conditions
Outdoor service at ratchet compensation installations, balancing branch rope tensions during compensation travel.
Mechanical Performance
Equalizes tension between compensation rope branches so the ratchet wheel loads evenly; prevents uneven wear and keeps the transmission smooth.
Applications
Ratchet Systems
Balances branch rope tensions.
Even Wear
Prevents uneven rope wear at branches.
Mainline Anchors
Standard part of 13-1H assemblies.
Smooth Transmission
Keeps ratchet loading even.
