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China Suppliers Factory Manual Chain Hoist - Electric Hoist 1 Ton, 3 Tons, 5 Tons for Heavy Duty Lifting
Working Principle
The working principle of a triangular chain hoist is similar to that of a circular chain hoist, mainly by manually operating the chain to lift heavy objects. Specifically, a chain hoist is mainly composed of manual chains, hand chain wheels, ratchet wheels, gear sets, and other components. When the operator pulls the manual chain, the hand chain wheel rotates accordingly, and through the transmission effect of the gear set, the lifting chain wheel is driven to rotate, thereby driving the lifting chain to lift heavy objects.
The advantage of triangular chain hoists over circular chain hoists is that their structure is more stable and durable. The triangular design makes the shell and internal parts more compact, reduces gaps, lowers the chance of dust entering, and is less likely to deform under external impact, thus better protecting the internal parts.
In addition, the triangular chain hoist is more labor-saving, operates more smoothly, and has a longer service life during use.
Scope of Use
The triangular chain hoist has a wide range of applications, mainly used in the following fields:
- Factories, mines, docks, warehouses, construction sites, and agricultural production: In these places, triangular chain hoists are commonly used for lifting goods and hoisting equipment, especially in situations where there is no power supply or the site is small, demonstrating superiority.
- Flammable and explosive places: In petroleum, chemical, refining, gas extraction, oil transportation, and mining operations, triangular chain hoists are widely used due to their explosion-proof design.
- Outdoor workplaces without power supply: In buildings, bridges, paving, and road construction projects, triangular chain hoists are frequently used due to their manual operation characteristics.
Key Advantages of Triangular Chain Hoists:
- More stable structure: The structural design of the triangular chain hoist makes it more compact, reducing the gap between internal parts and the cover, and minimizing external damage to the interior of the chain hoist, thereby extending its service life.
- Longer service life: Due to its compact structure, the internal parts are not easily damaged, significantly improving the service life.
- Effortless operation: smoother to use, less pulling force, easier to operate and less prone to chain jamming.
Technical Parameters
| Model | Specification |
|---|---|
| National standard | 1T*3m |
| National standard | 2T*3m |
| National standard | 3T*3m |
| National standard | 5T*3m |
| National standard | 10T*3m |
| National standard | 20T*3m |
| National standard | 1T*6m |
| National standard | 2T*6m |
| National standard | 3T*6m |
| National standard | 5T*6m |
| National standard | 10T*6m |
| National standard | 20T*6m |
| National standard | 1T*9m |
| National standard | 2T*9m |
| National standard | 3T*9m |
| National standard | 5T*9m |
| National standard | 10T*9m |
Characteristics
Triangle chain hoist
Thickened casing
Strong power
Manganese steel chain
Lifting height3m
Standard lifting height3m
Increase speed3m/min
Chain diameter6mm
Minimum distance between hooks185mm
Rated lifting capacity1000Kg
Net weight10Kg
Load1250Kg
Application scope
Available Models
1 Tons
2 Tons
3 Tons
5 Tons
Frequently Asked Questions
How does a triangular chain hoist work?
A triangular chain hoist operates manually. When the operator pulls the manual chain, it rotates the hand chain wheel. Through the transmission of an internal gear set, this drives the lifting chain wheel, which moves the lifting chain to raise or lower heavy loads smoothly.
What are the advantages of a triangular chain hoist over a circular one?
Triangular chain hoists feature a more compact and stable structure. This design reduces internal gaps, lowers the chance of dust entering, and provides better protection to internal components against external impacts, resulting in a longer service life and more effort-saving operation.
Where are triangular chain hoists typically used?
They are widely used in warehouses, factories, mines, docks, construction sites, and agricultural settings. They are particularly valuable in confined spaces or outdoor locations where no power supply is available.
Can triangular chain hoists be used in explosive environments?
Yes. Due to their manual, non-electric operation and explosion-proof structural safety, they are extensively utilized in flammable and explosive environments like petroleum, chemical, gas extraction, refining, and oil transportation facilities.
What capacities and lifting heights are available?
Standard models offer lifting capacities ranging from 1 Ton up to 20 Tons, with standard lifting heights of 3 meters, 6 meters, and 9 meters. Custom configurations can also be supported based on national standard specifications.