Special Gearbox
SWL Screw Jack Gearbox for Jump Form Construction Lifting
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Technical Specifications
| FEATURE CATEGORY | SPECIFICATION AND KEY DETAIL |
|---|---|
| Structural Form |
Type 1: Screw rod moves axially (Extending/Retracting Screw) Type 2: Screw rod rotates, and nut moves axially (Extending/Retracting Nut) |
| Assembly Type |
Type A: Screw rod (or nut) moves upward Type B: Screw rod (or nut) moves downward |
| Screw Head Type |
Type 1 Structure Heads: I (Cylindrical), II (Flange), III (Threaded), IV (Flat Head) Type 2 Structure Heads: I (Cylindrical), III (Threaded) |
| Transmission Ratio |
Standard Speed Ratio (P) Slow Speed Ratio (M) |
| Lifting Capacity | Seven kinds: 2.5, 5, 10, 15, 20, 25, 35 (in **× 10kN** increments) |
| Screw Protection |
Type 1 Structure Options: Primary type, Anti-rotation type **(F)**, and types with a Protective Cover **(Z)** Type 2 Structure Options: Primary type and types with a Protective Cover **(Z)** |
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Working Principle: How It Powers Construction Lifting
In the context of construction lifting, particularly within jump form systems, the SWL Screw Jack Gearbox operates by converting rotational motion into linear movement. This mechanism is crucial for raising and lowering platforms used in concrete pouring and other construction activities.
Here’s how it works:
Input Rotation: A motor drives the gearbox, which contains a series of gears that amplify torque while reducing speed.
Torque Transmission: The amplified torque is then transferred to the screw jack, causing it to rotate.
Linear Movement: As the screw jack rotates, it moves along its axis, either pushing or pulling the attached platform up or down.
Load Distribution: The gearbox efficiently distributes the load across the system, ensuring stable and safe lifting operations.
This seamless integration between mechanical components makes the SWL Screw Jack Gearbox an indispensable part of any jump form gear unit.
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Application Areas: Versatile Use in Construction
The SWL Screw Jack Gearbox finds application across various sectors where precision lifting is required:
High-Rise Buildings: Used in jump form systems for efficient vertical lifting of platforms during construction.
Bridge Construction: Facilitates the precise positioning of bridge segments.
Industrial Facilities: Supports the assembly and maintenance of large-scale equipment.
Renovation Projects: Enables safe and controlled lifting in confined spaces.
Each application benefits from the gearbox's ability to provide controlled, reliable movement under varying loads and environmental conditions.
How to Choose the Right Model
Selecting the appropriate Construction Lifting Reducer involves considering several key factors:
● Load Capacity: Determine the maximum weight your system will need to lift.
● Speed Requirements: Consider the desired rate of ascent/descent.
● Environmental Conditions: Account for temperature, humidity, and exposure to elements.
● Space Constraints: Ensure the gearbox fits within the available space.
According to the wire travel and lifting load, refer to Figure 1 - Figure 4 to find out the model of the required lift, and then check the lifting force and lifting speed table to check whether the lifting speed meets the requirements.
For example, it is known that the lifting load is F=20kN, the lead screw travel is 400mm, and the lifting speed is 0.65m/min. Try to find the required lift.
According to F=20kN, screw travel=400mm; refer to Figure 2 and select S Ⅵ 5 elevator. Then check the lifting force and lifting speed table to verify that only 0.526m/min speed is allowed for the Sw5 elevator under 20KN load. Only a large model elevator can be reselected. After checking the lifting force and lifting speed table, it is known that the allowable lifting speed of SwL10 under 20KN load is 1.44m/min, which meets the requirements.
Our team can assist you in choosing the right model based on your specific needs and requirements.
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Q: Is customization possible?
A: Yes, we offer customized solutions tailored to specific project requirements. -
Q: What documentation is provided?
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Q: Do you offer bulk discounts?
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Q: What support do you provide post-purchase?
Related Products: Enhance Your System
To complement your Jump Form Gear Unit, consider these related products:
⚙️ Gear rack for elevator: Provides smooth vertical movement for elevators and lifts.
🔄 Synchronous & Brake motor: Ensures coordinated and controlled movements.
⚙️ Helical gearbox for Jump Form: Offers high efficiency and quiet operation.
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