Product Introduction
A low-headroom electric hoist is a specialized lifting device designed to maximize the effective lifting height. Its core characteristic is an extremely low structural profile. By positioning the drum, pulley block, and lifting point directly adjacent to the travel track, it minimizes the space it occupies. This provides greater lifting and lowering travel for material handling under conditions of limited plant headroom. It is primarily used in workshops, warehouses, or production lines with restricted building height.
Product Specification
|
Lifting Capacity (Ton) |
Lifting Height ( m) |
Lifting Speed (m/min) |
Lifting Power (KW) |
Travel Speed (m/min) |
Working Class FEM/ISO |
|
2 |
6 |
5/0.8 |
3.2/0.45 |
5/20 |
2M/M5 |
|
3.2 |
6 |
5/0.8 |
3.2/0.45 |
5/20 |
2M/M5 |
|
5 |
6-18 |
5/0.8 |
6.1/1 |
5/20 |
2M/M5 |
|
8 |
6-18 |
5/0.8 |
9.5/1.5 |
5/20 |
3M/M6 |
|
10 |
6-18 |
5/0.8 |
9.5/1.5 |
5/20 |
2M/M5 |
|
12.5 |
6-18 |
4/0.6 |
12.5/2 |
5/20 |
2M/M5 |
|
16 |
6-18 |
4/0.6 |
16/2.6 |
5/20 |
2M M5 |
|
20 |
6-18 |
4/0.6 |
16/2.6 |
5/20 |
2M/M5 |
Product Feature And Application
Main Features of low headroom electric hoists
Compresses its own occupied space, maximizes the effective lifting height, providing greater hoisting space within the same plant headroom.
The hoisting mechanism (motor, reducer, drum) and the travel trolley adopt an integrated design, resulting in a compact overall layout and reduced equipment dimensions.
Specifically designed for headroom-restricted sites, capable of adapting to low-height plants and complex spatial environments with obstructions.
Typically used in conjunction with low-headroom bridge girders, offering good structural rigidity and stable, smooth operation.
Main Applications of low headroom electric hoists
Workshops with insufficient plant headroom height: renovation of old plants, underground plants, or newly built plants with restricted floor-to-ceiling height.
Environments requiring extremely high lifting height: needing to hoist heavy loads close to the roof within limited space.
Industries such as machinery manufacturing, automotive assembly, metal processing, mold workshops, logistics warehousing, power maintenance, and any industrial sector with stringent requirements for plant space utilization.
Product Details
Trolley Drive Unit：Integrated three-in-one drive unit combining motor, brake, and gearbox, directly driving the travel wheels for space-saving design.
Traveling Trolley：Divided into two types: monorail trolley and double-girder trolley. The monorail trolley is suspended directly under the monorail track with an extremely low headroom clearance. The double-girder trolley adopts a twin-girder + box-type nesting structure, with the hoist body running between the main girders, raising the hoist upward and releasing additional lifting height.
Hoisting Mechanism：The hoist motor and gearbox are integrally mounted inside the trolley frame, driving the wire rope drum to lift and lower the hook, resulting in a compact structure.
Hook：Connected directly below the hoisting mechanism. The hook's upper limit position is very close to the underside of the track, maximizing the lifting height.
Counterweight：Box-type structure installed on the opposite side of the hoist body to balance the center of gravity. The interior can be filled with low-cost materials such as scrap steel or stones. Compared with traditional solid counterweights, this design significantly reduces the overall dimensions and saves steel.
Control box：Typically side-mounted on the hoist body or trolley frame, integrating contactors, overload protection, transformer, and control circuits; supports pendant control or wireless remote operation.
Product Qualification
FAQ
Q;What is the core structural feature of a low-headroom electric hoist?
A;Its core structural feature is the use of an underslung drum arrangement and a flattened travel trolley design. The drum, motor, and reducer are compactly arranged, with the lifting point (pulley block) positioned close beneath the trolley track. This drastically minimizes the hoist's own structural height, freeing maximum vertical space for effective load lifting.
Q:What are the key parameters to focus on during selection?
A:Critical parameters include:
Rated Lifting Capacity (in tons).
Effective Lifting Height (in meters, referring to the actual usable hook travel).
Hoisting and Travel Speeds (in meters per minute).
Duty Class (e.g., M3, M4, indicating frequency of use).
Track Specification (must match the supporting I-beam or crane girder).
Minimum Hook Approach (the distance from the hoist's lowest point to the track running surface; a smaller value is better).
Q:What are its main application environments?
A:It is specifically designed for workshops with restricted headroom height, such as: renovations of old workshops, underground warehouses, newly built plants with low ceilings, spaces with piping or equipment obstructions below roof structures, and any industrial scenario requiring maximized vertical space for material handling.
Q:What is the main difference compared to a standard electric hoist?
A:The core difference lies in space utilization. A standard hoist typically has its drum located at the mid or upper section of the wire rope, resulting in a larger overall height and occupying more unusable headroom. The low-headroom hoist, through its underslung drum and compact design, provides a greater effective lifting height under the same installation height constraint.
Q:What are the key points for daily maintenance?
A:Key maintenance points include:
Regularly inspect the wire rope for wear and broken wires.
Keep the tracks clean to ensure smooth, unobstructed trolley travel.
Check all limit devices (especially upper and lower limits) for proper and reliable operation.
Perform gear lubrication according to the specified schedule and inspect brake performance.
Observe structural connections to ensure there is no loosening or cracking.