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Inclination sensors are used in tunnel boring machines for precise excavation.
In the past, the drilling and blasting method was widely used for hard rock tunneling in mountainous areas. However, under the same conditions, the tunneling speed of a full-face tunnel boring machine is about 8 times that of the drilling and blasting method, offering advantages such as efficiency, speed, quality, safety, economy, and environmental protection.
The working principle of a hard rock tunnel boring machine is to rotate the cutter head, applying high pressure from the roller cutters to the tunnel face. The roller cutters rotate on the face, loosening the surrounding rock. The excavated rock debris is collected by the side scraper and enters the muck bucket, which then transports the debris via a belt conveyor to the end, where it is finally loaded onto muck cars for removal.
Tilt Sensoris an important part of all components of a full-face tunnel boring machine. It can measure the tilt angle of the shield machine's body and the tilt angle of the excavation chamber, calculating the excavation deviation distance and other data through a series of complex calculations, playing a very important role in correcting guidance.
A small error can lead to significant problems; some tunnels are very long, and even minor discrepancies can cause issues later on. Therefore, tunnel boring machines have high precision requirements for tilt sensors. Moreover, the tunnel environment is humid, with varying temperature differences, and the tunnel boring machine experiences strong vibrations.
The SVT626T tilt sensor produced by the company fully considers the above situations, especially optimizing circuit protection and program protection for vibration resistance, ensuring that the sensor can operate even under excessive vibrations. Testing shows long-term stability of 0.05° with a high resolution of 0.0025°, and it has an IP67 waterproof rating, making it suitable for underground humid environments. It can also operate in a wide temperature range of -40 to +85°C, meeting most practical conditions. Thus, the tilt sensor SVT626T produced by Msensor Sensor is competent for direction testing and control of the boring machine, with the following performance parameters:
① Range ±15°, ±30°
② Wide voltage input 9-36V
③ Wide temperature operation -40 to +85°C
④ High vibration resistance >20000g
⑤ High resolution 0.0025°
⑥ Waterproof rating IP67, strong resistance to external electromagnetic interference.
⑦ Vibration suppression adjustment and setting can be performed on-site.
Wuxi Msensor Sensor Technology Co., Ltd. is a domestic enterprise with independent core technology and large-scale production of MEMS inertial navigation sensors. It has strong R&D capabilities and has developed and produced a series of MEMS products including gyroscopes, accelerometers, tilt sensors, tilt switches, electronic compasses, vertical gyroscopes, inertial measurement units, attitude systems, and integrated navigation systems, which have been successfully applied in various fields such as weapons, ships, electronics, drones, dynamic monitoring, power monitoring, and construction machinery. It has obtained national technology patents.
Tilt Sensor - We have broken through the technical key of foreign high-precision tilt sensors, achieving stable performance in measurement accuracy, response frequency, and reliability. We primarily promote the SVT626T high-precision tilt sensor. This product can supply single-axis and dual-axis, multiple series, multiple ranges, and multiple outputs of tilt sensors. At the same time, we do not just sell products; we can also provide solutions. Just let us know your needs or the problems to be solved.
Inclination monitoring
X, Y axis, industrial design, small size, low power consumption
Compass heading
X, Y, Z three axis, attitude calculation measurement algorithm
Imu inertial sensor
Three-axis angle, angular velocity, acceleration, magnetic field measurement
Attitude heading reference system
Meet the static, dynamic, high and low temperature of a variety of complex environmental use
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