house joist jack

House Joist Jack: A Comprehensive Guide

House joist jack is an essential component in the construction industry, used to provide support and stability to the structural framework of a building. In this article, we will delve deep into the world of house joist jack, exploring its uses, working principles, and differences from hydraulic jacks. We will also discuss how to choose and customize the right screw jack for your specific needs.

1. What is a Screw Jack Used For?

A screw jack is primarily used for lifting heavy loads in various industrial applications. Its threaded screw mechanism allows for controlled and precise vertical movement. Here are some key uses of screw jacks:

  • Supporting house joists during construction or repair work
  • Adjusting the height of industrial machinery
  • Stabilizing heavy equipment and structures
  • Opening and closing large doors or gates
  • Positioning stages and platforms in theater productions

screw jack

2. What is the Working Principle of Screw Jack?

The working principle of a screw jack is based on the mechanical advantage achieved through the rotation of a threaded screw. When a force is applied to the handle or motor, the screw translates the rotational motion into linear motion. This linear motion allows for the lifting or lowering of heavy loads with precision. The main components of a screw jack include the screw, nut, and supporting mechanism.

screw jack

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

While both screw jacks and hydraulic jacks are used for lifting heavy loads, they differ in their working principles and application areas. Here are some key differences:

  • Screw jacks use mechanical power and a threaded screw mechanism, while hydraulic jacks rely on hydraulic fluid and pistons.
  • Screw jacks are more suitable for slower and controlled lifting, whereas hydraulic jacks provide faster and smoother lifting.
  • Hydraulic jacks can handle higher loads compared to screw jacks.
  • Screw jacks are more compact and require less maintenance compared to hydraulic jacks.
  • The cost of hydraulic jacks is generally higher than that of screw jacks.

4. How to Choose or Customize the Right Screw Jack?

Choosing or customizing the right screw jack requires careful consideration of various parameters and practical conditions. Here are some factors to keep in mind:

  • Load capacity: Determine the maximum load the screw jack needs to support.
  • Lifting speed: Consider the required lifting speed for your application.
  • Travel distance: Calculate the vertical travel distance needed.
  • Operating environment: Assess the environmental conditions such as temperature, humidity, and presence of corrosive elements.
  • Mounting options: Choose the appropriate mounting method for seamless integration into your system.

screw jack

HZPT: Your Leading Manufacturer of Screw Jacks

As a leading manufacturer in the field of industrial motors, gear reducers, and drives, HZPT adheres to the philosophy of “leading technological innovation, achieving excellent quality.” Our range of products includes:

  • Micro gear motors
  • Medium gear motors
  • Brake speed control motors
  • Torque motors
  • DC motors
  • NMRV worm gear motors
  • Spiral bevel gear motors
  • WPRV worm gear reducers
  • Rigid face gear reducers
  • Spiral bevel gear reducers
  • Parallel shaft gear reducers
  • Helical bevel gear reducers
  • Worm screw lifts
  • Rigid face gear reducers
  • Planetary gear reducers

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

Here are five key advantages of our screw jacks and company:

  1. High Load Capacity: Our screw jacks are designed to withstand heavy loads, ensuring reliable performance in demanding applications.
  2. Precision and Control: With our screw jacks, you can achieve precise positioning and controlled lifting, ensuring utmost accuracy in your operations.
  3. Durable and Low Maintenance: Our screw jacks are constructed with high-quality materials, providing long-lasting durability and minimal maintenance requirements.
  4. Customization Options: We offer a range of customization options to meet your specific requirements, including load capacity, lifting speed, and mounting options.
  5. Expert Support: Our team of experts is dedicated to providing technical assistance and guidance, ensuring you choose the right screw jack for your application.

Partner with HZPT today and experience the superior quality and performance of our screw jacks. Contact us now to discuss your requirements and begin a fruitful collaboration.


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.