screw power jack

screw power jack

1. Introduction

The screw power jack is a mechanical device commonly used in various industries for lifting heavy loads. It offers a reliable and efficient method of vertical motion, making it essential in many applications.

2. What is a screw jack used for?

A screw jack is used for a wide range of purposes, including:

  • 1. Lifting heavy machinery and equipment
  • 2. Adjusting heights in industrial settings
  • 3. Supporting structures in construction
  • 4. Positioning components in manufacturing
  • 5. Stabilizing objects during maintenance or repairs

screw jack

3. What is the working principle of screw jack?

The working principle of a screw jack is based on the mechanical advantage obtained by rotating a screw thread. It involves the conversion of rotary motion into linear motion to achieve lifting or lowering of loads. The key components include:

  • 1. Screw: A threaded shaft that moves vertically
  • 2. Nut: Engages with the screw and translates the rotational motion into linear motion
  • 3. Handle or motor: Provides the driving force to rotate the screw
  • 4. Load-bearing platform: Supports the load being lifted or lowered

screw jack

4. 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 operate on different principles:

  • 1. Power source: Screw jacks are manually or motor-driven, while hydraulic jacks utilize hydraulic fluid and a pump.
  • 2. Precision: Screw jacks offer finer control and stability, making them suitable for precise positioning, while hydraulic jacks are better suited for heavy lifting with less precision.
  • 3. Maintenance: Hydraulic jacks require regular maintenance of hydraulic fluid and seals, while screw jacks are relatively low-maintenance.
  • 4. Speed: Hydraulic jacks can lift loads more quickly than screw jacks.

5. Choosing and customizing the right screw jack

When selecting or customizing a screw jack, several parameters and practical considerations should be taken into account:

  • 1. Load capacity: Determine the maximum weight the screw jack needs to handle.
  • 2. Lifting speed and distance: Specify the required lifting speed and the distance the load needs to be raised or lowered.
  • 3. Operating environment: Consider factors such as temperature, humidity, and exposure to corrosive substances.
  • 4. Mounting options: Choose the appropriate mounting method, such as flange, foot, or baseplate.
  • 5. Safety features: Ensure the screw jack has necessary safety features, such as overload protection and emergency stop mechanisms.

screw jack

Why Choose HZPT?

As a leading manufacturer of industrial motors, gearboxes, and drive systems in China, HZPT offers a wide range of high-quality products suitable for various applications. Our product offerings include:

  • 1. Micro gear motors
  • 2. Medium-sized gear motors
  • 3. Brake adjustable-speed motors
  • 4. Torque motors
  • 5. DC motors

Our advantages:

  1. 1. Technological innovation: We constantly strive to lead in technological advancements and provide cutting-edge solutions to our customers.
  2. 2. Excellent quality: Our products undergo rigorous quality control measures to ensure superior performance and reliability.
  3. 3. Diverse product range: We offer a wide selection of products to meet various industrial needs and specifications.
  4. 4. Extensive application expertise: With our experience and knowledge, we can provide customized solutions tailored to specific requirements.
  5. 5. Trusted partnership: We value long-term relationships and aim to provide exceptional customer service and support.

screw jack

With our expertise in manufacturing and selling screw jacks, we are confident in recommending our products to meet your lifting and positioning needs. Contact us today to discuss your requirements and discover the benefits of partnering with HZPT.


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.