Sliding Bearing Test Equipment for Bridges, Railways, Pipelines, and Civil Structures

Sliding Bearing Test Equipment for Bridges, Railways, Pipelines, and Civil Structures

The sliding bearing test equipment for bridges, railways, pipelines, and civil engineering structures is a specialized system. It features a vertical axis equipped with a hydraulic compression mechanism, and a horizontal axis with a push–pull mechanism connected to a PTFE plate to generate frictional force on the PTFE surface.

Model: Chưa cập nhật

Brand: Chưa cập nhật

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Contents

Purpose of Sliding Bearing Testing

Technical Specifications of Sliding Bridge Bearing Test Equipment

Typical Configuration / Equipment Concept

Sliding bearings are structural components designed to accommodate large horizontal displacements and rotational movements in bridges, railway systems, pipelines, and civil engineering structures. They operate by utilizing a low-friction PTFE (Polytetrafluoroethylene, commonly known as Teflon) surface sliding against a polished stainless steel plate. This configuration effectively minimizes friction, reduces vibration, and prevents structural damage caused by thermal expansion.

Cấu tạo của gối đỡ cầu dạng trượt

Vật liệu của gối đỡ cầu dạng trượt

Purpose of Sliding Bearing Testing

The purpose of this test is to evaluate the abrasion resistance of the PTFE sheet used in PTFE sliding bridge bearings.

Polytetrafluoroethylene (PTFE), commonly known by its trade name Teflon™, is a high-performance synthetic fluoropolymer characterized by excellent chemical resistance, an extremely low coefficient of friction, and a wide thermal stability range (from −200°C to +260°C). It is a non-toxic, non-stick material with high durability, widely used in industrial sealing applications, cable insulation, and non-stick coatings for cookware.

Technical Specifications of Sliding Bridge Bearing Test Equipment

The test equipment consists of a vertical axis with a hydraulic compression mechanism and a horizontal axis with a push–pull mechanism connected to a PTFE plate to generate frictional forces acting on the PTFE surface.

Horizontal Stroke: 25 mm forward + 25 mm backward (50 mm per cycle)
Horizontal Speed: 2.5 – 200 mm/min (adjustable)
Equivalent Cycle Rate: 0.05 – 4 cycles/min
Vertical Compressive Force: 10,000 kN (adjustable)
Horizontal Compressive Force: 2,000 kN

Typical Configuration / Equipment Concept

- Sliding bearing test system utilizing a crank–slider mechanism to generate reciprocating motion.

Thiết bị thử nghiệm gỗi đỡ cầu dạng trượt với tay quay con trượt

- Sliding bridge bearing test equipment utilizing a hydraulic cylinder mechanism

Thiết bị thử nghiệm gối đỡ cầu dạng trượt sử dụng xylanh thủy lực

- See more temperature and humidity test chambers provided by VintechME: https://vintechme.com/vi/san-pham/thu-nghiem-vat-lieu-va-danh-gia-chat-luong-be-mat-son-phu/

VintechME Vietnam specializes in the supply, repair, and maintenance of testing equipment, including temperature and humidity environmental test chambers and large-scale climatic chambers for QA, QC, and R&D laboratories.