China wholesaler Crane Overload Limiter System for Bridge Crane From China Manufacturers & Suppliers adjustable torque limiter

Product Description

Product Description

WTZ A100N Overload limiter can be in the form of Chinese characters, graphics, characters and so on comprehensive display the various parameters in the process of work. 

As the main hook load, vice hook load, work boom Angle, length of boom, radius, etc.; 

Overload  Limiter  Alarm function 
Have sound and light alarm function: when the crane boom work amplitude limit close to work, when lifting load and torque device close to the permitted load limit, torque system issued a warning of slow beeping sound. Warning lights flashing slowly torque system. 
When jib frame work scope to work limit, when the lifting load and torque reaches equipment when the permitted load limit moment send urgent alarm beeping sound. Shortness of torque system alarm indicating red light flashing.

Overload Limiter protection function 
Control output function: when boom amplitude limit close to work, work when lifting load and torque device close to the permitted load limit, the system output torque control signal to stop the crane continue to continue to run in the direction of risk, allow crane moves in the direction of security. 

    Load Moment Indicator(safe load indicator or Crane computer) is a device which is installed on various sorts of cranes like mobile, crawler, tower, gantry, portal, marine and offshore crane. It alert the operator if the lift is exceeding the safe operating range. In some cases, the device will physically lock out the machinery in circumstances it determines to be unsafe. 

    It controls the lifting equipment to function as per the manufacturer’s suggested safe load charts. Each of the measured parameters like load weight, working radius, control limit,angle and extension of the crane boom, etc will then further be displayed in the operator’s cabin.

     WTZ-A100N Overload  Limiter ( LMI ) System

    Technical Parameters

    size 192*142*166mm
    working condition -20ºC—+60ºC
    relative humidity 90%(20ºC)
    IP grade IP65
    comprehensive error ≤5%F.S
    power consumption <30W
    Action Error ≤±3%F.S

    DATA LOGGER

    Data USB downloadable: built-in USB interface, can support operating data download, can review the historical data from any time period. Through the analysis of the record, the complete status of site operation can be restored. Ultra-large Capacity: the device can support actual load data 50,000 circular logging, higher capacity than the standard 16000 record.

    Data Record Image

    Installation Cases

    Certifications

     

    Company Profile

    Weite Technologies Co.,Ltd

    Founded in 2002, it is national hi-tech enterprise located in HangZhou, China. It has been focusing on R&D and OEM manufacturing of lifting safety protection devices such as Load Moment Indicator, Safe monitoring systems, overload limiter, Load cell, Anemometers etc.We continuously concentrate on ensuring lifting equipments run safely as long-term pursuing goal. 

    “The trusted Safety Partner for Global Top 100 Crane Owning Companies like Tat Hong, Asiagroup, Big Crane and Fortune 500 corps” . Nowadays, WTAU products are widely used in marine industry,electrical, chemical, steel, metallurgy, construction, ports and other industries, and have been wide spreaded to over 70 countries and regions.

    Global Partners

     

    FAQ

    1) Is your company well-reputated? How to prove that?

    It is a China Top 3 brand focusing on Crane Safety Protection Equipment. We are also Safety Partners for Global Top 100 Crane Owning Companies like Tat Hong(top 9), Asiagroup(top 45), Big Crane(top 94) and Top 500 companies such as ABB, Macgragor,TTS,CNOOC,etc. Products are been sold to over 70 countries and regions globally. 
     

    2) How to assure the quality?

    The Product Warranty for the total item is 12 months. Any problem after installation, we will change the new 1 for free.

     

    3) How to install the LMI?

    English User Manual(include all the details of each item) will be offered for installation and trouble shooting(refer to the pic below). Also free Remote Instant Technical assistance would be offered by our english engineers. Or we can send our engineers to assist you locally.

     

    4) How much is your LMI system?

    Send me the crane model, hook number, working conditions(Luffing Tower Working Condition, Pilling) and special requirement and the like. Your contact info is a must.

     

    5) How can I place order? 
    A: You can contact us by email about your order details, or place order on line.

     

    6) How can I pay you?

    A: After you confirm our PI, we will request you to pay. T/T and Paypal, Western Union are the most usual ways we are using. 

    Related Products

     

     

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    After-sales Service: Spare Parts
    Warranty: 1 Year
    Type: Gantry Crane & Portal Crane
    Samples:
    US$ 1000/Piece
    1 Piece(Min.Order)

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    Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

    limiter torque

    Choosing the Right Limiter Torque

    Choosing the right limiter torque is crucial to your safety and that of your loved ones. There are many factors that go into selecting the right limiter, and you need to take them into consideration before making your final decision.

    Mechanical

    Using mechanical limiter torque is an ideal solution for protecting machinery and equipment from excessive torque. Overloads can lead to downtime and expensive repairs. This is because overloads occur when forces exceed the design limits of the mechanism.
    Mechanical limiter torque is designed to limit the output of the drive to a predetermined value. This means that when the torque exceeds the specified value, the device will disengage from the driven device. This allows the system to coast to a stop.
    Mechanical torque limiters are available in a wide range of sizes and can be used in virtually any application. They can be used in assembly lines, printing and converting machines, conveyors, industrial robots, and sheet metal processing equipment.
    There are two main types of mechanical limiter torque: shear pin and ball detent. Shear pin torque limiters use metal pins to couple two rotating bodies. The drive pawl is held in place by a spring. Ball detent torque limiters use a series of balls to transmit torque. Both have evolved from simple slip-clutch designs.
    Mechanical torque limiters are designed to provide a quick disengagement within milliseconds when torque overload conditions occur. They also provide a high level of accuracy and sensitivity. They can handle torque ranges of 40 to 24,000 in-lbs.
    Mechanical limiter torque can be reset automatically or manually. Some of the newer devices utilize special springs with negative spring rates. This allows the device to re-engage more quickly and easily when an overload condition occurs. The spring rate also eliminates breathing and false trips.
    The design of a mechanical torque limiter has evolved from a basic shear-pin or slip-clutch design. The new devices are more accurate and have less impact on the drive system. They also offer high sensitivity and a high level of safety.
    There are also several types of mechanical overload devices. Some of these devices use a single screw to adjust the release torque. Others have a ratcheting mechanism. Some are even flexible couplings that allow for small angular misalignments and parallel offsets.
    Choosing the right torque limiter is an easy way to protect machinery and equipment from overloads. With a range of designs to choose from, the right mechanical limiter can provide overload protection at an affordable price.

    Electrical

    Using an electrical limiter torque device is an ideal way to increase the reliability of electromechanical actuators, particularly when it comes to power transmission applications. These devices help dissipate rotational energy without causing damage to the driven device. They can be used in a wide variety of applications, including robotics and gear driving systems.
    When selecting a torque limiter, it’s important to choose one that meets your application’s needs. There are many types of limiters on the market, and each has its own benefits.
    The main advantage of an electronic limiter is that it can monitor and control torque overload. However, these devices are a bit cumbersome, and you will have to install many sensors and devices to make sure that the system is running properly.
    Torque limiters are also useful in cases where the driven device cannot absorb the full output torque. For example, if the motor drives a bottle capping machine, the motor may not be able to fully absorb the torque, and the torque limiter must be used.
    An electronic limiter torque device is not as effective as a mechanical one. In many cases, the motor controller may receive feedback from the shaft during an overload, but it will not immediately stop the over-torque part of the system.
    Torque limiters are also important for protecting the drive train from overload. An electronic signal can shut down the over-torque part of the drive system, and a limit switch is often included in the package. This allows the drive train to be tested automatically for proper operation.
    The most important feature of a torque limiter is its ability to separate the load from the drive. It can reduce the size of a drive train, as well as increase the efficiency of an electromechanical actuator.
    In some cases, an electronic limiter is able to act like a fusing mechanism, automatically resetting itself when it detects an overload. However, a mechanical one is usually the better choice for most applications.
    Torque limiters come in a wide range of sizes and styles. For example, there are ball detent type limiters, which may have compression adjustment or multiple detent positions. There are also synchronous magnetic, pawl and spring, and shear pin types.limiter torque

    Disconnect types

    Several types of disconnect torque limiters are available on the market. Some are electrical and require sensors to be installed, while others are mechanical and require no special devices.
    Mechanical torque limiters are a cheaper option. They offer better protection than most electrical methods and are less prone to premature wear. They can be installed in a wide variety of applications. They can protect machinery with rotating components, including gearboxes, pulleys, conveyors and assembly lines.
    Mechanical torque limiters can be either friction or magnetic. The friction type has spring loaded friction disks that slip against each other when the torque reaches a certain threshold. The magnetic type uses a magnetically susceptible material to create a magnetic particle clutch.
    Both types of torque limiters are designed to protect machinery from mechanical overload. Choosing the right type will ensure protection at a reasonable price. Mechanical torque limiters offer a faster response time and better protection than electronic methods.
    The friction type works like an automobile clutch. When the torque reaches a certain threshold, friction disks slip against each other to allow the torque to be transmitted. Mechanical friction limiters can be customized with a variety of outputs. They can also be adjusted manually. They are best suited for applications that experience a torque variance of less than 10%.
    A torque limiter is used in industrial robots to prevent damage. They are also used in woodworking machines, printing and converting machines, and conveyors. They provide complete operational safety and offer long service life. Torque limiters are also used in assembly lines. They can prevent larger incidents by limiting damage from crash stops and jams.
    Torque limiters come in a variety of designs, including pawl and spring, shear pin, and ball detent. The main difference between the types is how they disconnect.
    Pawl and spring methods use springs to hold a drive pawl in place against the rotor. Shear pins are the most commonly used type of disconnect torque limiter. They are inexpensive to produce and reliable. However, they can be difficult to control accurately.
    Ball detent type limiters use hardened balls or rollers in sockets that force the drive and driven elements apart when torque reaches a certain threshold. Ball detent limiters may need to be reset manually or automatically.limiter torque

    Placement

    Having a torque limiter on your machine can prevent damage to your components and your machine from overloading. They also protect the motor and the gearbox from jams. They reduce the torque required to move a conveyor or prime mover.
    Torque limiters are found in all kinds of machine and processing equipment. They are especially useful in systems that require human interaction. They eliminate downtime caused by damaged components and eliminate the need for replacement parts. They are also ideal for applications that have a +/- 10% variance in torque.
    Torque limiters typically include a spring-preload control element that uses special methods to limit the backlash that can occur between a drive element and a control element. Some systems also offer a random reset device that allows the operator to choose a new setting to reduce the risk of overload.
    Another type of torque limiter is a friction type. This is a simple, low-cost method of overload protection. Unlike a shear pin, which requires lubrication, a friction type torque limiter operates much more accurately. When an overload occurs, the device breaks free before it hurts something. They are also more dependable than shear pins. The teeth on a friction torque limiter are aligned to mesh with each other and they are usually made of metal. They can also have bronze bushings for added strength.
    Electromagnetic torque systems are similar to pneumatic torque systems, but they use electric current to energize a magnetic coil. They are also spring-set. This type of torque limiter is more reliable than a pneumatic one. It also has fast switching functions.
    Torque limiters are usually found in industrial facilities, but they are also found in many commercial and consumer applications. Torque limiters can be used to couple gears, sprockets, motors, and even pumps. The size of the torque limiter will depend on the torque load and the machine cycle requirements. Some torque limiters are made to fit a single shaft, while others are made to couple several. Some types of torque limiters are made with a keyless locking mechanism to reduce the risk of backlash.
    China wholesaler Crane Overload Limiter System for Bridge Crane From China Manufacturers & Suppliers   adjustable torque limiterChina wholesaler Crane Overload Limiter System for Bridge Crane From China Manufacturers & Suppliers   adjustable torque limiter
    editor by CX 2024-03-30

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