China factory Screw Jack; Worm Gear Reducer; Agricultural Gearbox; Reducers;

Product Description

1.Convenient to adjust
2.Wide range of ratio
3.Easy to install
4.high torque
Application Industries:
Our SWL series screw jacks are widely used in the industries such as metallurgy,mining,hoisting and transportation, electrical
power,energy source,constrction and building material,light industry and traffice industry

Screw Jacks in construction

Often found in climbing mechanism of construction,the screw jacks use physical means to raise and lower loads, which typically range from 5 tons to 30 tons. A screw jack is a common type of mechanical jack, which works via a motor and gearbox by an operator. A screw uses the shape of its threads to raise or lower the load, or a traveling nut does the lifting while the screw turns in place. Mechanical jacks are self-locking(not for ball screw), which means that when power is removed from the jack, the screw stays in place until power resumes. This setup makes mechanical jacks safer than their hydraulic counterparts, because users don’t have to fear a loss of power. The main components of screw jacks are; trapezoidal lifting screw also known as lead screw, worm screw, worm gear and gear housing. A worm screw is rotated manually or by a motor. With the rotation of the worm gear, the lead screw in it moves upwards or downwards linearly. The feed rate of the screw depends on the turning speed, the number of teeth of the gears and the size of the screw pitch. In some models of jackscrews, The lifting screw does not move up and down. It only rotates around its axis. A lifting nut (also known as a travelling nut) moves along the lead screw. The lifting nut of the screw jack is made of bronze to decrease friction.

Product Parameters

MODEL

 

SWL2.5

SWL5

SWL10

SWL15

SWL20

SWL25

SWL35

Maximum lifting force (kN)

 

25

50

100

150

200

250

350

Screw thread size

 

Tr30*6

Tr40*7

Tr58*12

Tr58*12

Tr65*12

Tr90*16

Tr100*20

Maximum tension (kN)

 

25

50

99

166

250

350

Worm gear ratio (mm)

P

1/6

1/8

3/23

1/8

3/32

3/32

 

M

1/24

1/24

1/24

1/24

1/32

1/32

Worm non rotating stroke (mm)

P

1.0

0.875

1.565

1.56

1.5

1.875

M

0.250

0.292

0.5

0.5

0.5

0.625

Maximum elongation of screw rod under tensile load (mm)

 

1500

2000

2500

3000

3500

4000

Maximum lifting height at maximum pressure load (mm)

The head of the screw rod is not guided

250

385

500

400

490

850

820

Lead screw head guide

400

770

1000

800

980

1700

1640

Worm torque at full load(N.m)

P

18

39.5

119

179

240

366

464

M

8.86

19.8

60

90

122

217

253

efficiency(%)

P

22

23

20.5

 

19.5

16

18

M

11

11.5

13

 

12.8

9

11

Weight without stroke(kg)

 

7.3

16.2

25

 

36

70.5

87

Weight of screw rod per 100mm(kg)

 

0.45

0.82

1.67

 

2.15

4.15

5.20

Detailed Photos

 

 

 

SWL Series worm screw Jack:

1.The elevator is a combination of turbine pair and trapezoid screw rod to complete the lifting and lowering of objects. 2.Compact structure, light weight, safety and reliability, long service life, convenient installation

3.Self-locking function in the static state.

 

1. screw rod

2. nut bolt

3. cover

4.Skeleton oil seal

5.Bearing

6.Worm gear

7.Oil filling hole

8.Case

9.Skeleton oil seal

10.Cover

11. nut bolt

12.Bearing

13.Skeleton oil seal

14.Bearing

15.worm

16.Flat key

17.Bearing

18.Skeleton oil seal

19.Cover

20.Nut bolt

Product Description

 

Related Products

 

Packaging & Shipping

 

Company Profile

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Standard or Nonstandard: Nonstandard
Application: Textile Machinery, Garment Machinery, Conveyer Equipment, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car, Power Transmission
Customized Support: OEM, ODM, Obm
Brand Name: Beiji or Customized
Certificate: ISO9001:2008
Structures: Worm Gear and Worm
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|

winch drive

Can you provide insights into the importance of proper installation and alignment of winch drives?

Proper installation and alignment of winch drives are of utmost importance to ensure optimal performance, longevity, and safety of the system. Here’s a detailed explanation of the significance of proper installation and alignment of winch drives:

  • Optimal Performance:

Proper installation and alignment are crucial for achieving optimal performance of winch drives. Precise alignment ensures that the winch drive operates within its designed parameters, minimizing power losses and maximizing efficiency. Accurate installation of components, such as motors, gearboxes, and brakes, ensures that they are properly integrated and aligned with each other. This alignment reduces mechanical stress, minimizes friction, and allows for smooth and reliable operation of the winch drive, resulting in improved performance and productivity.

  • Extended Lifespan:

The correct installation and alignment of winch drives contribute to their longevity. When components are misaligned or improperly installed, it can lead to excessive wear, vibration, and premature failure of critical parts. Misalignment puts additional stress on bearings, shafts, gears, and other components, causing accelerated wear and reducing their lifespan. By ensuring proper alignment during installation, the load is distributed evenly, reducing mechanical stress and increasing the lifespan of the winch drive system.

  • Reduced Maintenance and Downtime:

Proper installation and alignment can significantly reduce the need for maintenance and minimize downtime. Misalignment or improper installation can cause issues such as excessive heat generation, increased friction, and misoperation of safety mechanisms. These issues can lead to frequent breakdowns and unplanned downtime, resulting in productivity losses and increased maintenance costs. By ensuring correct alignment and installation, the risk of such issues is minimized, reducing the frequency of maintenance and improving overall system uptime.

  • Enhanced Safety:

The safety of personnel and equipment is a critical consideration when it comes to winch drives. Improper installation and alignment can compromise the safety of the system. Misalignment can result in unexpected movements, excessive vibrations, or loss of control, posing risks to both operators and the surrounding environment. Proper alignment ensures that the winch drive operates within its intended parameters, reducing the likelihood of malfunctions, accidents, or equipment damage. It is essential to follow manufacturer guidelines and industry standards for installation and alignment to maintain a safe working environment.

  • Efficient Power Transmission:

Correct alignment of winch drives ensures efficient power transmission from the motor to the drum or load. Misalignment can lead to power losses, increased energy consumption, and reduced overall system efficiency. Proper alignment ensures that the power is transmitted smoothly and efficiently, minimizing energy wastage and optimizing the performance of the winch drive. This not only improves energy efficiency but also reduces operating costs over the lifespan of the system.

In summary, the proper installation and alignment of winch drives are essential for achieving optimal performance, extending the lifespan of the system, reducing maintenance and downtime, enhancing safety, and ensuring efficient power transmission. Following manufacturer guidelines, industry standards, and engaging experienced professionals during installation and alignment processes is crucial to maximize the benefits and longevity of winch drive systems.

winch drive

What factors should be considered when selecting a winch drive for specific applications?

When selecting a winch drive for specific applications, several factors need to be considered to ensure optimal performance and compatibility. Here’s a detailed explanation of the key factors that should be taken into account:

  • Load Capacity:

The load capacity is one of the most critical factors to consider when selecting a winch drive. It refers to the maximum weight or force that the winch can handle safely and efficiently. It’s essential to evaluate the anticipated loads in the specific application and choose a winch drive with a sufficient load capacity to handle those loads. Selecting a winch drive with inadequate load capacity can result in safety hazards, reduced performance, and potential damage to the winch or the load being lifted or pulled.

  • Power Source:

The power source of the winch drive is another crucial consideration. Winch drives are available in electric, hydraulic, and pneumatic variants, each with its own advantages and limitations. The choice of power source depends on factors such as the availability of power, the required pulling power, and the specific application’s environmental conditions. Electric winch drives are commonly used due to their ease of use and versatility. Hydraulic winch drives offer high pulling power for heavy-duty applications, while pneumatic winch drives are suitable for hazardous or explosive environments where electrical components are not permitted.

  • Control Mechanisms:

The control mechanisms of the winch drive play a significant role in the efficiency and ease of operation. Consider the control options available for the winch drive, such as manual control, remote control, or integrated control systems. Remote control systems, for example, allow operators to control the winch drive from a safe distance, enhancing safety and flexibility. Additionally, some winch drives offer features like variable speed control, which allows for precise positioning and controlled movement of the load.

  • Environmental Conditions:

The environmental conditions in which the winch drive will be used should be carefully assessed. Some winch drives are designed to withstand harsh environments, such as extreme temperatures, moisture, dust, or corrosive substances. For example, in marine applications, winch drives need to be corrosion-resistant and capable of operating in wet and salty conditions. Assessing the specific environmental conditions and selecting a winch drive with appropriate protection and durability features ensures its longevity and reliable performance.

  • Mounting and Installation:

The mounting and installation requirements of the winch drive should be considered to ensure proper integration into the intended application. Evaluate factors such as space availability, mounting options (e.g., vehicle-mounted, structure-mounted, or portable), and compatibility with existing equipment or systems. Some winch drives may require additional accessories or modifications for installation, so it’s important to factor in these considerations during the selection process.

  • Safety Features:

Winch drives should be equipped with appropriate safety features to prevent accidents and ensure secure operation. Common safety features include overload protection, emergency stop mechanisms, limit switches, and braking systems for load holding. These safety features contribute to the safe operation of the winch drive and protect against potential hazards or damage caused by excessive loads or unexpected circumstances.

  • Reliability and Maintenance:

Consider the reliability and maintenance requirements of the winch drive. Look for winch drives from reputable manufacturers known for producing high-quality and reliable equipment. Assess factors such as maintenance intervals, ease of maintenance, availability of spare parts, and after-sales support. Choosing a winch drive that is reliable and has accessible maintenance options ensures minimal downtime and long-term cost-effectiveness.

By considering these factors when selecting a winch drive for specific applications, you can make an informed decision that aligns with the load requirements, power source availability, control preferences, environmental conditions, and safety considerations of your intended application.

winch drive

Can you explain the key components and functions of a winch drive mechanism?

A winch drive mechanism consists of several key components that work together to provide controlled pulling or lifting capabilities. Each component has a specific function that contributes to the overall operation of the winch drive. Here’s a detailed explanation of the key components and their functions:

  • Power Source:

The power source is the component that provides the energy to drive the winch mechanism. It can be an electric motor, hydraulic system, or even a manual crank. Electric motors are commonly used in modern winches due to their efficiency, controllability, and ease of operation. Hydraulic systems are often employed in heavy-duty winches that require high pulling capacities. Manual winches, operated by hand-cranking, are typically used in lighter applications or as backup systems. The power source converts the input energy into rotational motion, which drives the other components of the winch mechanism.

  • Gearbox or Transmission:

The gearbox or transmission is responsible for controlling the speed and torque output of the winch drive. It consists of a series of gears arranged in specific ratios. The gears are engaged or disengaged to achieve the desired speed and torque requirements for the application. The gearbox allows the winch drive to provide both high pulling power or low-speed precision, depending on the needs of the task. It also helps distribute the load evenly across the gear teeth, ensuring smooth and reliable operation.

  • Drum or Spool:

The drum or spool is a cylindrical component around which the cable or rope is wound. It is typically made of steel or other durable materials capable of withstanding high tension forces. The drum is connected to the rotational output of the gearbox or transmission. As the gearbox rotates, the drum winds or unwinds the cable, depending on the direction of rotation. The diameter of the drum determines the pulling or lifting capacity of the winch drive. A larger drum diameter allows for a greater length of cable to be wound, resulting in increased pulling power.

  • Cable or Rope:

The cable or rope is the element that connects the winch drive to the load being pulled or lifted. It is typically made of steel wire or synthetic materials with high tensile strength. The cable is wound around the drum and extends out to the anchor point or attachment point of the load. It acts as the link between the winch drive and the object being moved. The choice of cable or rope depends on the specific application requirements, such as the weight of the load, environmental conditions, and desired flexibility.

  • Braking System:

A braking system is an essential component of a winch drive mechanism to ensure safe and controlled operation. It prevents the cable or rope from unwinding uncontrollably when the winch is not actively pulling or lifting a load. The braking system can be mechanical or hydraulic, and it engages automatically when the winch motor is not applying power. It provides a secure hold and prevents the load from slipping or releasing unintentionally. The braking system also helps control the descent of the load during lowering operations, preventing sudden drops or free-falls.

  • Control System:

The control system allows the operator to manage the operation of the winch drive. It typically includes controls such as switches, buttons, or levers that enable the activation, direction, and speed control of the winch. The control system can be integrated into the winch housing or provided as a separate control unit. In modern winches, electronic control systems may offer additional features such as remote operation, load monitoring, and safety interlocks. The control system ensures precise and safe operation, allowing the operator to adjust the winch drive according to the specific requirements of the task.

In summary, a winch drive mechanism consists of key components such as the power source, gearbox or transmission, drum or spool, cable or rope, braking system, and control system. The power source provides the energy to drive the winch, while the gearbox controls the speed and torque output. The drum or spool winds or unwinds the cable, which connects the winch drive to the load. The braking system ensures safe and controlled operation, and the control system allows the operator to manage the winch’s performance. Together, these components enable winch drives to provide controlled pulling or lifting capabilities in a wide range of applications.

China factory Screw Jack; Worm Gear Reducer; Agricultural Gearbox; Reducers;  China factory Screw Jack; Worm Gear Reducer; Agricultural Gearbox; Reducers;
editor by CX 2024-03-27