The YYJG-1000 Microcomputer Controlled Manhole Cover Pressure Testing Machine is a high-rigidity electro-hydraulic servo-based testing device developed and manufactured by Zhejiang Yiyu Instrument Equipment Co., Ltd. This machine is specifically designed for testing the residual deformation and load-bearing capacity of manhole covers made of various materials (such as cast iron and composite materials) and of various specifications. It employs a high-precision electro-hydraulic servo valve controlled by a microcomputer, enabling fully automatic control of test force, displacement, and deformation in multiple modes.
Core Design and Advantages
High-rigidity four-column structure: The main unit adopts a precision-machined high-strength four-column frame, ensuring not only extremely high test rigidity but also mechanical stability during long-term testing.
Precise measurement and control system:
- High-precision load sensor: Equipped with a 0.5-grade load sensor, offering excellent repeatability and long-term stability.
- Intelligent interaction: Built-in 17-inch industrial touchscreen computer with a unique SmartTest interface, providing users with an extremely smooth operating experience.
User-Friendly Operation Design:
- Ultra-Low Test Stand: A specially designed low-height base facilitates the placement of large and heavy manhole cover workpieces.
- Lightweight Lifting Device: Equipped with lightweight lifting equipment, reducing the burden on manual operation.
- Multiple Rigid Pads: Offers a variety of rigid pad types to meet the testing needs of different manhole cover specifications.
High-Efficiency and Stable Hydraulic Power:
- Employs a low-pressure, double-acting hydraulic cylinder, ensuring durable and stable operation under various working conditions.
- The hydraulic system is equipped with a three-phase asynchronous motor and a radial piston pump, ensuring efficient and stable operation.
Manufacturer Strength
The manufacturer, Zhejiang Yiyu Instrument Equipment Co., Ltd., located in Shaoxing, Zhejiang, is a leading domestic manufacturer of manhole cover pressure testing machines. The company focuses on the research and development of mechanical property testing equipment for metals, non-metals, and composite materials, and has provided tens of thousands of testing machines to thousands of users worldwide, establishing a comprehensive pre-sales and after-sales service system.
Frequently Asked Questions (FAQ)
Q1: What types of manhole covers can the YYJG-1000 primarily test?
A: This equipment has broad compatibility and can test manhole covers made of various materials (including cast iron, steel fiber reinforced concrete, composite materials, etc.) and in various sizes.
Q2: How is the safety and convenience of placing large manhole covers ensured?
A: This equipment adopts an ultra-low test bench design, reducing the handling height, and is equipped with a lightweight lifting device, making the handling of workpieces both easy and safe.
Q3: What is the measurement accuracy of this equipment?
A: Its accuracy class reaches 0.5, with a relative error of ±1% in the test force indication, meeting the most stringent quality inspection standards.
Q4: What are the features of the SmartTest user interface? Q5: Is its hydraulic system durable?
A: SmartTest is an interface specifically developed for 17-inch industrial touchscreen computers. Its operation logic is simple and intuitive, supporting multi-mode automatic control and greatly improving experimental efficiency.
Q5: Is its hydraulic system durable?
A: Yes. The equipment uses a low-pressure, two-way hydraulic cylinder and a hydraulic power source consisting of a three-phase asynchronous motor and a radial piston pump, designed to provide long-term durability and operational stability.
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