bevel gear jack

Bevel Gear Jack: An In-Depth Exploration

screw jack


Bevel gear jack, also known as a screw jack, is a crucial component in various industrial applications. With its unique design and exceptional mechanical properties, the bevel gear jack plays a vital role in lifting heavy loads and ensuring precise control in different systems.

What is a Screw Jack Used For?

screw jack

1. Lifting Heavy Loads

A screw jack is primarily used for lifting and supporting heavy loads in a controlled manner. Its high load-bearing capacity and precise positioning make it an ideal choice for various industrial lifting applications.

2. Height Adjustment

Another common use of the screw jack is for adjusting the height of equipment or platforms. Its threaded mechanism allows for easy and accurate height adjustments, providing stability and flexibility in various settings.

3. Load Positioning

Due to its exceptional control and stability, the screw jack is widely utilized for precise positioning of loads. This is particularly important in industries where accurate load placement is critical, such as assembly lines and manufacturing processes.

4. Mechanical Presses

Screw jacks are also employed in mechanical presses to apply force for pressing, bending, or straightening operations. Their ability to generate high forces and control the speed of operation makes them an essential component in the press industry.

5. Stabilization and Support

In many industrial applications, screw jacks are used to provide stabilization and support to structures or machinery. They can counteract vibrations, prevent sagging, and ensure the overall stability of the system.

screw jack

Working Principle of Screw Jack

1. Translation of Rotational Motion

Screw jacks operate on the principle of converting rotary motion into linear motion. When the bevel gear is rotated, it engages with the threaded lifting screw, causing it to move up or down based on the direction of rotation.

2. Mechanical Advantage

The threaded screw in a screw jack provides a mechanical advantage by allowing the input force to be multiplied. This amplifies the lifting or lowering capability of the jack, enabling it to handle heavy loads with ease.

3. Self-Locking Mechanism

One of the key features of screw jacks is their self-locking mechanism. This means that the load remains in place even when the input force is removed. The threaded screw and the bevel gear arrangement prevent the load from descending unintentionally.

4. High Efficiency

Screw jacks are designed to have high mechanical efficiency, ensuring that minimal energy is wasted during operation. This makes them energy-efficient and suitable for long-term use in various industrial applications.

5. Precise Positioning

The fine pitch of the screw thread allows for precise positioning of the load. By controlling the rotation of the bevel gear, operators can achieve accurate and repeatable positioning, making screw jacks ideal for applications that require precision and control.

Difference between a Screw Jack and a Hydraulic Jack

While both screw jacks and hydraulic jacks are used for lifting and supporting heavy loads, they differ in their operating mechanisms.

A screw jack operates by translating rotary motion into linear motion through the use of a screw and a bevel gear arrangement. On the other hand, a hydraulic jack uses hydraulic fluid and pistons to generate force and lift the load.

Compared to hydraulic jacks, screw jacks have the advantage of being mechanically simpler, easier to maintain, and more cost-effective. They also provide more precise and controlled positioning of loads. However, hydraulic jacks excel in situations where high lifting speeds and heavy loads are involved.

Choosing and Customizing the Right Screw Jack

screw jack

1. Load Capacity

When selecting a screw jack, it is crucial to consider the load capacity it can handle. The load capacity should exceed the maximum weight of the load to ensure safe and reliable operation.

2. Travel Distance

The travel distance, or stroke length, determines the maximum height adjustment range of the screw jack. It is essential to choose a jack with a suitable travel distance to accommodate the specific application requirements.

3. Operating Speed

The operating speed of the screw jack is determined by the pitch of the screw thread and the rotational speed of the bevel gear. Consider the desired speed requirements and choose a screw jack that can meet the necessary lifting or lowering speed.

4. Environmental Conditions

Take into account the environmental conditions in which the screw jack will be operating. Factors such as temperature, humidity, and exposure to corrosive substances may influence the choice of materials and coatings for enhanced durability and performance.

5. Mounting Options

Consider the available mounting options to ensure compatibility with the existing equipment or system. Screw jacks can be mounted vertically, horizontally, or at an angle, depending on the specific application needs.

By carefully considering these parameters and understanding the specific operational requirements, you can select or customize a screw jack that perfectly suits your needs.

About HZPT

As a leading manufacturer of industrial motors, gearboxes, and drive systems in China, HZPT is committed to technological innovation and outstanding quality. Our extensive range of products includes micro gear motors, medium-sized gear motors, brake speed controllers, torque motors, DC motors, NMRV worm gear motors, bevel gear cone gear motors, WPRV series worm gear reducers, rigid surface gear reducers, bevel gear worm gear reducers, parallel shaft bevel gear reducers, spiral bevel gear reducers, worm gear screw lifts, rigid surface gear reducers, and planetary gear reducers.

Our transmission products find wide application in various industrial production lines, such as transportation machinery, food machinery, medical machinery, printing machinery, textile machinery, packaging machinery, office equipment, and instrumentation, making them the preferred choice for automation equipment.

Our Advantages:

1. Technological Innovation

At HZPT, we continually strive for technological innovation to stay at the forefront of the industry. Our products incorporate the latest advancements and cutting-edge technologies, ensuring superior performance and reliability.

2. Excellent Quality

Quality is our top priority. We adhere to rigorous quality control standards throughout the production process, from design to manufacturing, to deliver products that meet or exceed customer expectations.

3. Wide Product Range

HZPT offers a comprehensive range of transmission products to cater to diverse industrial needs. With various models and specifications available, you can find the perfect solution for your specific requirements.

4. Customization Options

We understand that each customer has unique needs. That’s why we provide customization options to tailor our products to your exact specifications. Our experienced team can work closely with you to develop customized solutions that perfectly fit your application.

5. Superior Customer Service

At HZPT, we are committed to providing excellent customer service. Our dedicated team is always ready to assist you with product selection, technical support, and after-sales service. We aim to build long-lasting relationships with our customers based on trust and satisfaction.

If you are in need of high-quality, reliable screw jacks, look no further than HZPT. Contact us today and experience the superior performance and customer service that sets us apart.


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.