Product Overview:
The DPK series deviation switch is a safety protection device used to monitor the operating status of belt conveyors. When the conveyor belt deviates, the deviation switch can detect and issue an alarm or control signal in a timely manner to prevent equipment damage and production accidents. DPK-20-35 and DPK-10-45 are two commonly used models in this series, respectively suitable for different degrees of deviation detection needs and widely used in transportation systems in industries such as mining, metallurgy, power, ports, and chemical engineering.
DPK-20-35 deviation switch
Main parameters:
- model:DPK-20-35
- Action angle:
- Warning angle: 20°
- Shutdown angle: 35°
- Working voltage:AC 220V/AC 380V/DC 24V (optional)
- Output method:Dual switch signal output (normally open and normally closed)
- Contact capacity:5A/250VAC 或 5A/30VDC
- Environmental temperature: -40℃ ～ +80℃
- Relative humidity: ≤95%（25℃）
- Protection level:IP65
- Shell material:Cast aluminum alloy or stainless steel
- Installation method:Horizontal installation, adjustable installation angle
- Applicable belt speed:0～5 m/s
- Weight:About 3.5kg
Function and Features:
Dual level alarm function:
- Warning level (20 °):When the belt deviates by 20 degrees, the switch contacts close and a warning signal is issued to remind the operator to adjust in a timely manner.
- Shutdown level (35 °):When the belt deviates by 35 °, the switch contact will actuate again, triggering an emergency stop to prevent equipment damage.
Durable and sturdy structure:
- Adopting high-strength cast aluminum alloy or stainless steel shell, it has good impact resistance and corrosion resistance, and can adapt to various harsh working environments.
High sealing performance:
- The protection level reaches IP65, dustproof and waterproof, ensuring reliable operation of the equipment in harsh environments such as humidity and dust.
Easy installation and adjustment:
- Equipped with adjustable mounting brackets, the installation angle and position can be flexibly adjusted according to on-site needs to adapt to conveyor belts of different widths and speeds.
Stable and reliable performance:
- Using high-quality micro switches and bearings, the action is sensitive, the signal transmission is stable, and the service life is long.
Widely applicable:
- Suitable for various types of belt conveyors, including flat belts, groove belts, tubular belts, etc.
Application areas:
- Mining industry:Material conveying systems for coal mines, metal mines, and non-metal mines.
- Metallurgical industry:Transportation of raw materials and products such as steel and aluminum.
- Power industry:The coal conveying system of a thermal power plant.
- Port Terminal:Loading, unloading, and transportation of bulk cargo.
- Chemical industry:Transportation of various chemical raw materials and products.
common problem:
Q: How to correctly install the DPK-20-35 deviation switch?
- Answer:Install the deviation switch on both sides of the conveyor belt, about 1/3 of the belt width away from the edge of the conveyor belt, with the roller perpendicular to the belt edge. The installation height should be such that the lower end of the roller is 50-100mm higher than the plane of the belt, ensuring that the roller can be triggered in a timely manner when the belt deviates.
Q: What maintenance is required for the deviation switch during use?
- Answer:Regularly check the installation firmness, roller flexibility, and electrical connection reliability of the switch. Remove dust and debris from the surface of the roller to ensure flexible rotation. Check if the switch action is sensitive and if the contacts are working properly.
Q: Can DPK-20-35 adapt to extreme temperature environments?
- Answer:The operating temperature range designed for this model is -40 ℃ to+80 ℃, which can meet the temperature requirements of most industrial environments. If you need to use it under more extreme temperature conditions, you can contact the manufacturer to customize a special version.
DPK-10-45 deviation switch
Main parameters:
- model:DPK-10-45
- Action angle:
- Warning angle: 10°
- Shutdown angle: 45°
- Working voltage:AC 220V/AC 380V/DC 24V (optional)
- Output method:Dual switch signal output (normally open and normally closed)
- Contact capacity:5A/250VAC 或 5A/30VDC
- Environmental temperature: -40℃ ～ +80℃
- Relative humidity: ≤95%（25℃）
- Protection level:IP65
- Shell material:Cast aluminum alloy or stainless steel
- Installation method:Horizontal installation, adjustable installation angle
- Applicable belt speed:0～5 m/s
- Weight:About 3.8kg
Function and Features:
High sensitivity dual level alarm:
- Warning level (10 °):When the belt deviates by 10 degrees, the switch contacts close and an early warning signal is issued to facilitate timely adjustment and prevent further deviation.
- Shutdown level (45 °):When the belt deviates by 45 degrees, the switch contact will actuate again, immediately triggering an emergency stop to avoid serious accidents.
Durable and reliable structural design:
- The shell is made of high-quality cast aluminum alloy or stainless steel material, which has excellent mechanical strength and corrosion resistance, suitable for long-term stable operation.
Excellent sealing performance:
- The protection level is IP65, ensuring that the equipment operates normally in harsh environments such as dust and high humidity.
Flexible and easy installation:
- Designed with adjustable mounting brackets for easy installation and adjustment in conveyor belt systems of different types and sizes.
Stable and reliable motion performance:
- Internally, high reliability micro switches and high-quality bearings are used to ensure accurate action, rapid signal transmission, and reduce false alarm rates.
Wide applicability:
- Suitable for conveyor belt systems that require high sensitivity detection, especially in situations where deviation is strictly required, such as high-precision material conveying.
Application areas:
- Coal mining industry:Coal mining and transportation systems require high levels of safety and precision.
- Power industry:The coal and ash conveying system of thermal power plants requires high-sensitivity monitoring.
- Port Terminal:Bulk cargo loading and unloading conveying system, timely detection of deviation, ensuring efficient operation.
- Cement industry:Raw material and finished product conveying systems ensure production continuity and safety.
- Chemical industry:A material conveying system with high requirements for conveying accuracy and safety.
common problem:
Q: In what situations is the DPK-10-45 deviation switch suitable for use?
- Answer:Due to its small warning angle setting (10 °), this model is suitable for situations that require high monitoring of belt deviation and early warning, ensuring that corrective measures can be taken in a timely manner when the belt deviates slightly.
Q: How to maintain the DPK-10-45 deviation switch to ensure long-term reliable operation?
- Answer:Regularly inspect the mechanical parts of the equipment to ensure that the rollers rotate flexibly and there is no jamming phenomenon; Clean the dust and foreign objects on the surface of the roller; Check the firmness and reliability of electrical connections; Regularly test the performance of the switch to ensure that the warning and shutdown functions are functioning properly.
Q: What is the protective performance of DPK-10-45 in extremely harsh environments?
- Answer:This device has an IP65 protection level, which can effectively prevent the intrusion of dust and water, and is suitable for use in most harsh industrial environments. If used in more extreme environments, higher protection level models can be selected or special protective treatment can be carried out.
Selection suggestion:
DPK-20-35″Suitable for general industrial applications with routine requirements for belt deviation detection, providing timely warning and shutdown protection.
DPK-10-45″Suitable for occasions with high requirements for deviation monitoring, it is necessary to issue warnings and handle slight deviations in the belt to ensure the high accuracy and safety of the conveyor system.
Summary:The DPK series deviation switch provides effective safety assurance for various belt conveyor systems due to its high reliability, sensitivity, and durability. Choosing the appropriate model based on specific application requirements and site conditions can effectively prevent equipment damage and safety accidents caused by conveyor belt deviation, and improve production efficiency and safety levels.
For more information or technical support, please contact the relevant supplier or manufacturer's technical department.
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