Jinan Liling Testing Machine Co., Ltd. focuses on the research and manufacturing of mechanical testing equipment, with CE EU certification and ISO9001 quality management system certification. With mature processes, stable performance, and professional services, we provide reliable equipment and complete solutions for bridge bearing testing.
The YAW-5000J microcomputer controlled electro-hydraulic servo compression shear testing machine is mainly used for mechanical performance testing of plate rubber bearings, bowl type bearings, spherical steel bearings, and various types of seismic isolation rubber bearings in highway and railway bridges. It can complete a complete set of standard tests such as compressive elastic modulus, ultimate compressive strength, shear elastic modulus, shear adhesion performance, friction coefficient, allowable angle, vertical bearing capacity, rotational torque, horizontal bearing capacity, etc., fully meeting the requirements of national and industry standards such as JT/T 4, JT/T 391, GB/T 17955, TB/T 1893, TB/T 3320, GB 20688.1.
The equipment adopts a bottom mounted oil cylinder and a four column high rigidity frame structure. The base and crossbeam are cast as a whole and optimized by finite element design. The whole machine has high rigidity, uniform stress, small deformation, and stable and reliable long-term high-pressure operation. The experimental space is infinitely adjustable from 0 to 1000mm, equipped with an electric feeding trolley for efficient sample clamping and safe and convenient operation.
The core performance of the equipment is stable and the testing accuracy is high: the maximum vertical test force is 5000kN, the maximum horizontal shear force is 1000kN, and the maximum angular pushing force is 300kN. The force measurement accuracy is better than ± 1%; Multiple grating type digital displacement sensors are used for accurate displacement and deformation measurement, and the test data is authentic and reliable.
The whole machine adopts an electro-hydraulic servo closed-loop control system, which can achieve constant speed test force control, constant speed displacement control, multi-stage force value maintenance, automatic load stabilization, smooth loading without impact, and good test repeatability. The hydraulic system is equipped with imported high-pressure gear pumps, imported servo valves, and high-quality sealing components, ensuring stable operation, low noise, and long service life; By adopting load adaptive energy-saving control and combining it with a cooling system, it can meet the requirements of long-term continuous testing.
Equipped with professional compression shear measurement and control software, the Chinese interface is clear and intuitive, supporting parameter preset, automatic control, real-time data acquisition, dynamic curve display, intelligent analysis and automatic generation, printing and data export of test reports, meeting various usage scenarios such as production inspection, engineering testing, scientific research experiments, etc.
The equipment is equipped with multiple safety protections such as overload protection, travel limit, hydraulic overpressure protection, emergency stop, etc. The structural design is reasonable, the installation and maintenance are simple, and the operation is stable and durable. It is an ideal testing equipment for bridge bearing production enterprises, engineering quality inspection institutions, research institutes, and universities.
Jinan Leading Testing Machine adheres to precision manufacturing, precise measurement and control, and attentive service, using high-quality testing equipment to assist in the improvement of engineering quality and material technology innovation.
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