An integrated machine for fully automatic core drilling and direct pulling is disclosed, including a housing, a support member, a pulling mechanism, and a pulling joint. The pulling joint is configured to hold a top of a test piece for pulling testing. The pulling mechanism includes a worm gear motor, a drive screw set at an output end of the worm gear motor, a drive support rod, a tension sensor set at the other end of the drive support rod, an adjustable link block at one end connected to the tension sensor, and a pulling screw connected to the other end of the adjustable link block. The integrated machine has a simple structure, lightweight equipment, which can be handheld and easy to operate, thus do not need to have operating experience, thereby realizing core drilling and direct pulling test in one.

A gas leak detection system that combines sensor units having an array of sensors that detect natural gas and the volatile organic compounds and variable atmospheric conditions that confound existing gas leak detection methods, a specially designed sensor housing that limits the variability of those atmospheric conditions, and a machine learning-enabled process that uses the wide array of sensor data to differentiate between natural gas leaks and other confounding factors. Multiple low-cost sensor units can be used to monitor gas concentrations at multiple locations across a site (e.g., a well pad or other oil or natural gas facility), enabling the gas leak detection system to model gas leak emission rates in two- or three-dimensional space to reveal the most likely origin of the gas leak.

A gas leak detection system that combines sensor units having an array of sensors that detect natural gas and the volatile organic compounds and variable atmospheric conditions that confound existing gas leak detection methods, a specially designed sensor housing that limits the variability of those atmospheric conditions, and a machine learning-enabled process that uses the wide array of sensor data to differentiate between natural gas leaks and other confounding factors. Multiple low-cost sensor units can be used to monitor gas concentrations at multiple locations across a site (e.g., a well pad or other oil or natural gas facility), enabling the gas leak detection system to model gas leak emission rates in two- or three-dimensional space to reveal the most likely origin of the gas leak.

Systems and methods are provided for allowing users to safely and efficiently conduct repeatable dynamic experiments involving coordinated applications of force, motion, pressure, temperature, flow, dispersion and other physical events via a testing fixture positioned within an imaging environment.

Disclosed is an electro-magneto-thermo-mechanical dynamic and synchronous loading device based on a wedge-shaped rotating body. The device comprises a carrier, a wedge-shaped rotating body and a pulse power supply, wherein the wedge-shaped rotating body is positioned above the carrier, the pulse power supply is connected to the carrier and the wedge-shaped rotating body through conductors, a test object is fixed on the carrier, the top of the wedge-shaped rotating body is connected to the output end of a driving shaft through a transmission shaft, the driving shaft drives the wedge-shaped rotating body to rotate and can apply downward pressure, and the wedge-shaped rotating body can be pressed against the test object and rotate on the surface of the test object.

The present invention belongs to the technical field of stress detection and provides a method and device for testing stress of a high-temperature component of a power plant boiler. The adjusting assembly includes a plurality of bearing blocks, each bearing block is provided with an accommodating groove vertically, limiting blocks are disposed at two ends of the accommodating groove symmetrically, an elastic member, a first connecting rod, and a second connecting rod are disposed in the accommodating groove, and a limiting plate is fixedly connected to one end of each of the first connecting rod and the second connecting rod. According to the present invention, lengths of the first connecting rod and the second connecting rod extending out of the accommodating groove are adjusted, so that the device can be adjusted according to a caliber of a pipeline of the power plant boiler.

The present invention belongs to the technical field of stress detection and provides a method and device for testing stress of a high-temperature component of a power plant boiler. The adjusting assembly includes a plurality of bearing blocks, each bearing block is provided with an accommodating groove vertically, limiting blocks are disposed at two ends of the accommodating groove symmetrically, an elastic member, a first connecting rod, and a second connecting rod are disposed in the accommodating groove, and a limiting plate is fixedly connected to one end of each of the first connecting rod and the second connecting rod. According to the present invention, lengths of the first connecting rod and the second connecting rod extending out of the accommodating groove are adjusted, so that the device can be adjusted according to a caliber of a pipeline of the power plant boiler.

Systems and methods are provided for allowing users to safely and efficiently conduct repeatable dynamic experiments involving coordinated applications of force, motion, pressure, temperature, flow, dispersion and other physical events via a testing fixture positioned within an imaging environment.

The present invention discloses a concrete test device and method based on a load-corrosion coupling action, relating to the technical field of corrosion experimental devices for concrete sewage pipelines. The device simulates a real environment of a sewage pipeline based on the load-corrosion coupling action, applies mechanical load and chemical corrosion effects to a concrete specimen simultaneously, and accelerates a corrosion effect on the concrete specimen by exposing the concrete specimen. According to the device, researches on mechanical properties of a concrete material under the load-corrosion coupling action are realized, and an assessment sample basis is provided for researches on aging characteristics of the concrete sewage pipelines. The present invention further discloses a concrete test method based on the aforementioned test device.

The present disclosure provides a fine detection device and method for crack initiation and propagation of a rock specimen during loading process. The device comprises an organic glass skeleton, a plurality of sensor support skeletons, a multi-parameter dynamic acquisition system, a servo press bearing platform and a computer, wherein the organic glass skeleton is placed in the middle of the servo press bearing platform, the sensor support skeletons are arranged inside the organic glass skeleton, the rock specimen is arranged inside the sensor support skeleton, the multi-parameter dynamic acquisition system is fixedly arranged on the sensor support skeleton, the multi-parameter dynamic acquisition system is in contact with the rock specimen, and the multi-parameter dynamic acquisition system and the servo press bearing platform are electrically connected to the computer.