9results about How to "Improve pressure test efficiency" patented technology

The invention belongs to the technical field of valve detection, and particularly discloses a pressure test device for valve processing production, which comprises a mounting base, the top of the mounting base is fixedly connected with a mounting frame, the mounting frame is used for providing a mounting position, and the top of the mounting frame is fixedly connected with a hydraulic cylinder. The hydraulic cylinder is used for providing power for a pressure bearing test of the valve shell, the middle end of the top of the mounting base is fixedly connected with an air pump, the output end of the hydraulic cylinder is fixedly connected with a connecting column, the connecting column provides a mounting position, and an inflation detection mechanism is arranged in the connecting column and is used for a sealing test. The hydraulic cylinder pushes the extrusion disc to extrude the valve, the pressure of a valve shell can be detected, meanwhile, the inflation detection mechanism can adapt to multiple types of valves of different sizes, integrated detection of the shell pressure and the sealing performance can be achieved, and therefore the valve pressure testing cost is reduced, and the valve pressure testing efficiency is improved.

The invention provides a combined valve pressure test device, which comprises a hydraulic clamping module, a water pressure test module and a transportation track module, and is characterized in that the hydraulic clamping module and the water pressure test module are respectively arranged at two ends of the transportation track module and are connected into a whole through the transportation track module; the hydraulic clamping module comprises a pressure test table, a bottom plate, a supporting frame, a jack and a hydraulic pump, the water pressure test module comprises a water pressure pump, a water supply carbon steel pipeline, a pressure gauge and a ball valve, and the transportation track module comprises a track beam and a hoist group. The device comprises a pressure test table with complete tool clamps, a water pressure test module capable of boosting and reducing pressure, and a rail transportation module for assisting valve clamping and carrying. According to the invention, the pressure test work of two medium / large valves can be simultaneously and independently carried out, the carrying strength of personnel is reduced, the disassembly and assembly time of the valves is shortened, and the pressure test efficiency is greatly improved; in addition, the device further has an optimized lifting space, a pressure test water recycling and safety protection device can be additionally arranged, and the device is more environmentally friendly and safer.

The invention discloses a pressure test plug for an internal blowout prevention tool, and belongs to the technical field of petroleum drilling. Comprising a male plug unit connected to the protruding end of the inner blowout prevention tool and a female plug unit connected to the concave end of the inner blowout prevention tool. The male plug unit comprises a male connecting sleeve (2), a male bushing pressing sleeve and a male bushing which are sequentially and coaxially sleeved from outside to inside; one end of an inner hole of the male connecting sleeve is in threaded connection with the protruding end of the inner blowout prevention tool, and the other end is in threaded connection with the male bushing pressing sleeve. The female plug unit comprises a female connector in threaded connection with the inner concave end of the inner blowout prevention tool, the female connector is sleeved with a female bushing, and a sealing device is arranged on the wall face of the female bushing and used for making contact with the inner wall face of the inner concave end of the inner blowout prevention tool to achieve sealing. The male plug and the female plug respectively consist of three small parts, are light in weight and easy to assemble and disassemble, save manpower consumption, and obviously improve the pressure test efficiency of the inner blowout prevention tool compared with the existing device and method.

The invention relates to an efficient pressure testing device for an inner blowout prevention tool, and belongs to the technical field of sealing testing of the inner blowout prevention tool, the efficient pressure testing device for the inner blowout prevention tool comprises a mounting seat, a pressure testing table arranged on the mounting seat and a gland arranged on the mounting seat, and the pressure testing table is provided with a pressure testing port; one end of the pressure testing port is used for being externally connected with a pressure testing pump pipeline, the other end of the pressure testing port is communicated with a fast-assembly pressure testing head, the other end of the fast-assembly pressure testing head is used for being matched with an inner blowout prevention tool in a sealed and inserted mode, the gland is located above the pressure testing table, and the fast-assembly pressure testing head is located between the gland and the pressure testing table. A fast-assembly pressing plate used for covering and pressing the end, away from the fast-assembly pressure testing head, of the inner blowout prevention tool is inserted into the gland. The pressure testing device has the advantages of improving the pressure testing efficiency and safety.

The utility model relates to an oxygen lance nozzle pressure testing device which comprises a sealing outer sleeve and a sealing inner seal, the sealing outer sleeve and the sealing inner seal are of a concentric sleeve structure, a limiting rib is arranged between the sealing outer sleeve and the sealing inner seal for fixing, one end of the sealing outer sleeve and one end of the sealing inner seal are provided with a plugging plate for plugging, and the other end of the sealing outer sleeve is provided with a sealing plate. An annular groove is formed in the sealing plate and connected with the end of the nozzle outer pipe in a matched mode, and a first sealing ring is arranged between the annular groove and the nozzle outer pipe for blocking and sealing. The pressure testing device has the advantages that the pressure testing device is simple in structure, on the basis that the sealing performance in the pressure testing process is guaranteed, tedious pressure testing operation is simplified, the pressure testing efficiency is improved, and the pressure testing efficiency is improved. The usage amount of rubber materials is reduced, the pressure test efficiency is improved, and the pressure test accuracy is ensured.

This utility model discloses a strength testing device for construction projects, relating to the field of engineering testing technology. The device includes a protective frame, a crushing box, and two support plates. Four support legs are fixedly installed at the bottom of support plate one, and support plate two is fixedly installed on the upper part of the four support legs. An electric cylinder is fixedly installed on support plate one, and a pressure plate is fixedly connected to the output end of the electric cylinder. The protective frame is fixedly installed on support plate two, and clamping components are provided on both the left and right sides of the protective frame. A crushing box is fixedly connected to the bottom of support plate two, and a fan and a discharge port are respectively provided on the left and right sides of the crushing box. The crushing box contains a crushing roller one, a crushing roller two, a guide plate one, and a guide plate two. When using this utility model, the concrete to be tested is placed inside the protective frame and fixed by the two clamping components. After crushing, it enters the crushing box below through the discharge hole. It has advantages such as good fixing effect and convenient waste removal.

The utility model relates to a spray head pressure testing device and a spray head pressure testing system, the spray head pressure testing device comprises a main body part, a water inlet part, an exhaust part, a pressure measuring device used for detecting water pressure and a plurality of mounting structures used for mounting pressure testing spray heads, the water inlet is formed in one end of the main body part in the length direction of the main body part, the water inlet part is communicated with the hollow cavity through the water inlet, the exhaust part is arranged on the main body part, and the mounting structures are sequentially distributed at intervals in the length direction of the main body part; and the exhaust part and the mounting structures are communicated with the hollow cavity. According to the nozzle pressure testing device and the nozzle pressure testing system, the nozzle pressure testing efficiency is improved, the construction progress is accelerated, and the labor cost is saved.

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.