Shock Absorber Viscous Damper, Shock Absorber Viscous Fluid Damper

• Customization: Available
• Material: Metal
• Shock Absorption Level: High Performance
• Model NO.: YZ-HB01
• Work Temperature: Normal Temperature
• Position: Lower Structure
• Working Method: Straight Trip
• Rod Diameter: 100-300mm
• Bore Diameter: 200-400mm
• Stroke: 3000-6000mm
• Structure: Piston Type
• Quality Standard: International Standards
• Feature: Strong Energy Consumption Capacity
• Application: Seismic Isolation
• Transport Package: by Plywood Case
• Specification: Steel
• Trademark: YIZHUO
• Origin: Hebei, China
• Production Capacity: 10000PCS/Year
• Package Size: 1000.00cm * 300.00cm * 300.00cm
• Package Gross Weight: 400.000kg

Product Description

  

    Viscous fluid damper is a type of energy dissipation and shock absorption device that uses an oil cylinder structure filled with damping medium to drive the flow of internal medium through the reciprocating motion of the piston, generating damping effect and converting kinetic energy into thermal energy. Viscous fluid dampers are mainly suitable for schools, hospitals, sports venues, and high-rise buildings in earthquake and typhoon prone areas.

    Viscous fluid dampers are mainly composed of pistons, cylinder bodies, end caps, damping media, and connecting bodies. The piston divides the cylinder into two parts. During the reciprocating motion of the piston in the cylinder, the damping medium flows rapidly in the two separate chambers. The molecules of the medium generate intense friction between the medium and the piston. When the medium passes through the piston hole, it produces a huge throttling damping, and the combined force of these effects becomes the damping force. The damping force generated in the flow converts seismic kinetic energy into heat dissipation through the reciprocating motion of the piston in the damping medium, gradually reducing the speed of the piston movement and achieving the purpose of damping energy dissipation.

    Damping technology has been widely used in structural engineering such as buildings and bridges since the 1970s. Dampers play an important role in vibration reduction, improving structural stability, and enhancing acoustic environment through their unique energy dissipation mechanism, and are essential key devices in the engineering field.

Maintenance frequency:
    The maintenance frequency of viscous dampers depends on their usage scenarios and design lifespan. Generally speaking, viscous dampers used in construction should undergo an initial inspection after one year of installation, followed by regular inspections every three, five, ten, and ten years after completion. If encountering disasters such as strong earthquakes, strong winds, fires, etc., timely inspections should be carried out. In addition, if the viscous damper is installed in harsh environmental conditions such as exposure to sunlight, rain, or immersion in water, personnel should be arranged to conduct regular (one year) inspections and maintenance.

Maintenance method:
    The maintenance method of viscous dampers mainly includes the following points:
1. Check if the damping medium leaks.
2. Clean the uncoated areas on the surface of the main body.
3. Regularly apply paint and rust prevention treatment to steel components.
4. Add lubricating grease to the pin shaft connection and clean the dirt in a timely manner.
5. Measure the distance between the center of the damper and record it. If it exceeds the allowable range, it should be corrected in a timely manner.
6. Check if there is any gap between the damper and the building connection.
 
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Common Installation Forms of Viscous Dampers In Structures



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