bevel gear lifting jack

Bevel Gear Lifting Jack


A bevel gear lifting jack is a mechanical device that is used to lift heavy loads in various industrial applications. It utilizes the principle of a bevel gear mechanism to provide the necessary lifting force. This article will discuss the working principle, applications, and advantages of bevel gear lifting jacks.

What is a screw jack used for?

A screw jack, also known as a worm gear jack, is a type of lifting device that is widely used in industries such as construction, automotive, and manufacturing. It is primarily used for:

  1. Heavy load lifting: Screw jacks are capable of lifting heavy loads with ease, making them ideal for applications where high lifting capacities are required. The bevel gear mechanism ensures smooth and efficient lifting.
  2. Height adjustment: Screw jacks can be used to adjust the height of various equipment and structures, such as workbenches, platforms, and stages. Their precise and controlled lifting capabilities make them suitable for applications that require accurate height adjustments.
  3. Positioning: Screw jacks are used for positioning heavy machinery and equipment. They provide stability and support, ensuring that the equipment remains in the desired position.
  4. Load stabilization: In certain applications, screw jacks are used to stabilize heavy loads, preventing them from shifting or moving unintentionally. This is particularly important in industries where safety is a critical concern.
  5. Force generation: Screw jacks can also be used to generate force in applications such as presses, clamps, and brakes. The bevel gear mechanism amplifies the input force, allowing for powerful force generation.

screw jack

What is the working principle of screw jack?

The working principle of a screw jack is based on the interaction between a screw and a nut. When the screw is rotated, it moves linearly, causing the load to be lifted or lowered. The bevel gear mechanism in a screw jack provides mechanical advantage, allowing for efficient lifting. The main components of a screw jack include:

  • Screw: The screw is a threaded rod that moves in a linear motion when rotated.
  • Nut: The nut is a component that engages with the screw’s threads and moves along the length of the screw.
  • Bevel gears: The bevel gears are responsible for transmitting power between the input and output shafts. They convert the rotational motion of the input shaft into linear motion of the screw.
  • Housing: The housing encloses the screw, nut, and bevel gears, providing support and protection.

screw jack

What is the difference between a screw jack and a hydraulic jack?

While both screw jacks and hydraulic jacks serve the purpose of lifting heavy loads, they differ in their working principles and characteristics. The main differences between the two are:

  1. Power source: Screw jacks are typically operated manually or with the help of electric motors, while hydraulic jacks utilize hydraulic fluid to generate lifting force.
  2. Lifting capacity: Hydraulic jacks generally have higher lifting capacities compared to screw jacks. They can handle extremely heavy loads and are commonly used in heavy-duty applications.
  3. Speed: Screw jacks provide slower lifting speeds compared to hydraulic jacks. Hydraulic jacks can lift loads at a faster rate, making them more suitable for time-sensitive operations.
  4. Control: Screw jacks offer precise control over the lifting process, allowing for accurate positioning and height adjustments. Hydraulic jacks provide smooth and continuous lifting with less control precision.
  5. Maintenance: Screw jacks are relatively easier to maintain as they have fewer components and do not require hydraulic fluid. Hydraulic jacks necessitate regular maintenance and monitoring of hydraulic fluid levels.

How to choose or customize the right screw jack?

When selecting or customizing a screw jack for a specific application, several parameters and practical conditions need to be considered. These include:

  1. Lifting capacity: Determine the maximum load that the screw jack needs to lift to ensure it can handle the weight.
  2. Travel distance: Consider the required vertical travel distance to ensure the screw jack can provide the necessary range.
  3. Lifting speed: Assess the desired lifting speed for the application and choose a screw jack with an appropriate gear ratio.
  4. Environmental conditions: Evaluate the environmental factors, such as temperature, humidity, and presence of corrosive substances, and select a screw jack that can withstand these conditions.
  5. Mounting options: Consider the available space and mounting options, such as vertical, horizontal, or inverted, to determine the most suitable screw jack design.

screw jack

As a leading manufacturer of industrial motors, gearboxes, and drives in China, HZPT adheres to the philosophy of “Leading Technological Innovation, Achieving Excellent Quality.” Our product range includes micro gear motors, medium-sized gear motors, brake speed motors, torque motors, DC motors, NMRV worm gear motors, bevel gear cone gear motors, WPRV worm gear reducers, rigid tooth surface bevel gear reducers, bevel gear worm gear reducers, parallel shaft helical gear reducers, spiral bevel gear reducers, worm gear screw lifts, rigid tooth surface gear reducers, and planetary gear reducers. These 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 instruments. They are the preferred choice for automated equipment.

Why choose HZPT’s screw jack?

  1. High-quality materials: Our screw jacks are manufactured using high-grade materials, ensuring durability and long-term reliability.
  2. Precision engineering: Each screw jack is meticulously engineered to provide smooth and precise lifting, allowing for accurate positioning and height adjustments.
  3. Customization options: We offer a range of customization options to meet specific requirements, including lifting capacity, travel distance, and mounting options.
  4. Advanced technology: HZPT’s screw jacks incorporate advanced bevel gear mechanisms, resulting in efficient power transmission and improved overall performance.
  5. Reliable performance: Our screw jacks undergo rigorous testing and quality control procedures to ensure reliable and consistent performance in various industrial applications.

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.