house screw jack for sale

House Screw Jack for Sale

screw jack


A house screw jack, also known as a leveling jack, is a mechanical device used to support and level a structure, such as a house or building. It consists of a threaded screw mechanism and a heavy-duty base plate. Screw jacks are commonly used in construction and renovation projects to provide stability and ensure structural integrity.

What is a Screw Jack Used for?

screw jack

1. Lifting heavy loads: Screw jacks are used to lift and support heavy loads, such as beams, roofs, or vehicles.

2. Leveling structures: They are used to level and stabilize structures, ensuring even weight distribution and preventing sagging or uneven floors.

3. Adjusting height: Screw jacks allow for easy adjustment of height, making them ideal for applications where height variations are required.

4. Load transfer: They can transfer loads from one point to another, redistributing weight and relieving stress on supporting elements.

5. Fine-tuning positions: Screw jacks offer precise positioning capabilities, making them suitable for tasks that require accurate adjustments.

What is the Working Principle of Screw Jack?

screw jack

1. Mechanical advantage: Screw jacks utilize a threaded screw mechanism to convert rotational motion into linear motion, providing mechanical advantage for lifting heavy loads.

2. Load distribution: The weight of the load is evenly distributed along the screw shaft, ensuring stability and preventing overloading of individual components.

3. Pitch and lead: The pitch refers to the distance between two adjacent threads, while the lead is the axial distance traveled by the screw in one complete rotation. These parameters determine the lifting capacity and speed of the screw jack.

4. Worm gear mechanism: Screw jacks often incorporate a worm gear arrangement, where a helical gear meshes with the threaded screw. This increases efficiency and prevents back driving.

5. Mechanical safety: Screw jacks are designed with safety features such as locking mechanisms or safety nuts to prevent accidental lowering or failure under load.

What is the Difference Between a Screw Jack and a Hydraulic Jack?

1. Power source: A screw jack is manually operated, requiring physical effort to turn the screw and lift the load, while a hydraulic jack uses hydraulic pressure to lift heavy loads.

2. Lifting capacity: Hydraulic jacks typically have higher lifting capacities compared to screw jacks, making them suitable for heavier loads.

3. Speed of operation: Screw jacks are slower in operation compared to hydraulic jacks, as they rely on manual force or motor-driven rotation.

4. Maintenance and complexity: Hydraulic jacks require regular maintenance of hydraulic fluid and components, while screw jacks have a simpler design and require less maintenance.

5. Cost: Screw jacks are generally more cost-effective than hydraulic jacks, making them a preferred choice for applications with moderate load requirements and budget constraints.

How to Choose or Customize a Suitable Screw Jack?

screw jack

1. Load capacity: Determine the maximum weight the screw jack needs to support and select a model with appropriate load capacity.

2. Stroke length: Consider the required vertical range of motion and choose a screw jack with a suitable stroke length to accommodate the desired adjustment range.

3. Operating speed: Evaluate the desired speed of adjustment and select a screw jack with an appropriate lead or pitch to meet the application requirements.

4. Environmental conditions: Take into account factors such as temperature, humidity, and exposure to chemicals or harsh environments. Choose a screw jack with suitable materials and coatings to ensure durability and corrosion resistance.

5. Integration and customization: Consider any specific requirements or constraints of the application. Some screw jack manufacturers offer customization options to tailor the product to your specific needs.

About HZPT

HZPT is a leading manufacturer and supplier of industrial motors, gearboxes, and drive systems in China. With a commitment to technological innovation and excellent quality, our product range includes micro gear motors, medium-sized gear motors, brake adjustable-speed motors, torque motors, DC motors, NMRV worm gear motors, bevel gear cone gear motors, WPRV series worm gear reducers, rigid tooth surface bevel gear reducers, helical gear worm gear reducers, parallel shaft helical gear reducers, spiral bevel gear reducers, worm screw lifts, rigid tooth surface gear reducers, and planetary gear reducers.

Our transmission products are widely used in various industrial production lines, including transportation machinery, food machinery, medical machinery, printing machinery, textile machinery, packaging machinery, office equipment, and instrumentation. We are the preferred choice for automation equipment.

Why Choose HZPT Screw Jacks?

1. Superior load capacity: Our screw jacks are designed and manufactured to handle heavy loads, ensuring reliable and safe lifting operations.

2. Precision and stability: We prioritize precision in our screw jack design, allowing for accurate positioning and stable support.

3. Durability and reliability: With high-quality materials and advanced manufacturing processes, our screw jacks are built to withstand demanding working conditions and provide long-lasting performance.

4. Customization options: We offer customization services to meet specific customer requirements, ensuring the screw jack is tailored to your unique application needs.

5. Competitive pricing: HZPT provides cost-effective screw jacks without compromising on quality, offering you exceptional value for your investment.

Partner with HZPT for all your screw jack needs and experience the difference our high-quality products and exceptional service can make. Contact us today for more information or to request a quote.


Find us

Ep Screw Jack Co., Ltd.

Mail: [email protected]

As one of leading manufacturers, suppliers and exporters of mechanical products in China, We offer reducers, sprockets, industrial and conveyor chain, belts, pulleys, gears, racks, gearboxes, motors, PTO Shafts, taper lock Bushing, vacuum Pumps, screw air compressors and many other products. Please contact us for details.