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A base jack, also known as a scaffolding base jack or adjustable jack base, is a device that provides a level base for scaffolding and construction work:
Purpose
A base jack is used to stabilize and level scaffolding on uneven ground. It's installed on a stable base and has a large adjustable screw that can move the scaffolding up and down.
Components
A base jack is made up of a threaded screw jack stem, base plate, and scaffold jack nut.
Applications
Base jacks are used in a variety of scaffolding systems, including ringlock, cuplock, kwikstage, frame, tube&clamp, and formwork systems.
Safety
Base jacks help to create a safe and level working surface at different heights.
Features
Some base jacks are galvanized to prevent rusting.
Here are some examples of base jacks:
Scaffolding T Jack Base Acro Jack Support Adjustable Steel Prop: This jack base is made of Q235 steel and has a rolled spindle thread. It's available in lengths from 100 mm to 700 mm and has base plates that are 120 mm x 120 mm or 150 mm x 150 mm.
Galvanized Scaffolding Swivel Base Jack Adjustable Base Jack Size: This base jack is made of steel and comes with a one-year warranty.
Base Jack - 4 Tonnes - HERMEQ: This base jack has a capacity of 4 tonnes.
Scaffolding Adjustable Shoring Screw Base Jack - Hebei Trico: This base jack is available in a variety of diameters and lengths.
Base Jack - 60cm | Ringlock | Scaffolding - Doka Online Shop: This base jack weighs 3.65 kg.
Site Preparation: Before installing base jacks, ensure that the ground or floor is level and stable. ...
Placement: Position the base jacks in the required locations according to the design and load requirements. ...
Adjustment: Use the vertical screw mechanism to adjust the height of the base jacks.
Here are some common questions and answers about base jacks:
What is a base jack?
A base jack, also known as a screw jack, is a device that provides a stable base for scaffolding by adjusting its height. Base jacks are essential for scaffolding, especially on outdoor construction sites where the ground may be uneven.
How does a base jack work?
A base jack has a threaded shaft that allows the user to adjust the height of the scaffolding. The base jack is installed on a stable base and the user can move the scaffold up or down by turning the adjustable screw.
What are the different types of base jacks?
Base jacks can be hollow or solid, and come in different types such as adjustable solid base jacks, head base jacks, and U-head jacks.
How do I level a scaffold with a base jack?
After building the scaffold, the user can use the base jack to level the working platform before using it.
| Size | weight | materials |
| 32x400mm | 2.5kls | Galvanize iron |
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