2results about How to "Avoid pressure instability" patented technology

The utility model discloses a kind of color coating decorative aluminium profile, it is related to aluminium profile technical field, including aluminium profile assembly, aluminium profile assembly includes middle part support cylinder and reinforcing frame, the outside of middle part support cylinder is fixedly connected with first reinforcing rib, in the utility model, external load is first acted on reinforcing frame, pass through compression strip and is transferred to compression frame, and concentrated stress is dispersed as annular stress, support strip and connecting frame and support frame cooperate and resist the shear deformation of frame, radial load is obliquely conducted to middle part support cylinder through second reinforcing rib, utilize the torsional advantage of its cylindrical structure and disperse radial force, first reinforcing rib auxiliary converts radial force into annular tension, avoid middle part support cylinder partial compression instability, reinforcing pipe is installed in filling cavity, filling cavity is filled with anti-vibration material, improve axial compression resistance, form three-dimensional stress system, realize the layered transmission and dispersion of force.

The utility model discloses a kind of oilfield operation pneumatic pressure testing device, it includes main support, pressure generation module and pressure transmission component.Pressure generation module generates pressure by air cylinder, piston and driving rod, pressure transmission component is composed of gas holder, pressure regulating valve and output connector, realize pressure storage and regulation.Gas holder is equipped with partition and spring type check valve, prevent overpressure;Output connector uses corrosion-resistant coating and sealing ring to enhance the reliability of connection.The bottom of main support is equipped with supporting foot and non-slip mat, improve stability.The device is simple in structure, convenient to operate, can efficiently and stably complete pressure testing task, applicable to complex oilfield environment, significantly improve work efficiency and reduce labor intensity.