Screw jack for dam construction

Screw Jack for Dam Construction

A screw jack is an important tool in the construction industry, and is especially useful in dam construction. In this article, we will explore what a screw jack is used for, its working principle, the difference between a screw jack and a hydraulic jack, and how to choose and customize the right screw jack for your needs. We will also introduce our company, HZPT, a leading manufacturer of industrial motors, reducers, and drivers.

What is a Screw Jack Used For?

Here are some of the main uses for a screw jack:

  • Supporting heavy loads
  • Leveling equipment
  • Adjusting height
  • Tensioning cables
  • Clamping objects together
  • Providing mechanical advantage for lifting

screw jack

Supporting Heavy Loads

A screw jack is a mechanical device that uses a screw thread to lift heavy loads. It is able to support loads of up to several tons, making it a valuable tool in construction projects where heavy loads need to be lifted or supported.

Leveling Equipment

Screw jacks are also used to level equipment. By turning the screw, the jack can be adjusted to ensure that equipment is level and stable. This is particularly important in construction projects where equipment needs to be level to ensure safety and correct operation.

Adjusting Height

Screw jacks can also be used to adjust the height of equipment. By turning the screw, the jack can raise or lower equipment to the desired height. This is often used in construction projects where equipment needs to be at a certain height for proper operation.

Tensioning Cables

Screw jacks are also used to tension cables. By turning the screw, the jack can increase or decrease tension in a cable. This is particularly useful in construction projects where cables need to be taut for proper operation.

Clamping Objects Together

Screw jacks can also be used to clamp objects together. By turning the screw, the jack can apply pressure to hold objects together. This is often used in welding or other construction projects where objects need to be held in place while work is being done.

Providing Mechanical Advantage for Lifting

Screw jacks can also provide a mechanical advantage for lifting heavy loads. By using a screw thread, the jack is able to lift heavy loads with less force than would be required with other lifting methods.

screw jack

What is the Working Principle of Screw Jack?

The working principle of a screw jack is based on the properties of a screw thread. As the screw is turned, it moves up or down, depending on the direction of rotation. The load is carried by the screw and translated into a linear force, which is used to lift or lower heavy loads. The pitch of the screw thread determines the amount of linear force that is produced for each rotation of the screw.

Advantages of Screw Jacks Over Hydraulic Jacks

There are several advantages of screw jacks over hydraulic jacks:

  • More precise control
  • Lower cost
  • Less maintenance required
  • More environmentally friendly
  • More durable

How to Choose or Customize the Right Screw Jack

When choosing or customizing a screw jack, it is important to consider the following factors:

  • Load capacity
  • Lift height
  • Speed of operation
  • Environmental conditions
  • Mounting options
  • Materials of construction
  • Operating temperature range
  • Accuracy requirements

screw jack

Why Choose HZPT Screw Jacks?

As a leading manufacturer of industrial motors, reducers, and drivers, HZPT offers a wide range of screw jacks that are designed to meet the needs of any construction project. Here are some of the advantages of choosing HZPT screw jacks:

  • High load capacity
  • Precision control
  • Customizable to meet your specific needs
  • Low maintenance required
  • Environmentally friendly
  • Durable construction for long-lasting use

At HZPT, we are committed to providing our customers with the highest quality products and services. We are dedicated to innovation and excellence in all that we do, and we strive to exceed our customers’ expectations every day. Contact us today to learn more about our screw jacks and how they can benefit your construction project.


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.