8results about How to "Accurate pressure value" patented technology

This application relates to a ceramic pressure sensing device, including a display module, a pressure connector, and a pressure sensing component; the display module includes a display base and a display, and the display base has a connecting portion; one end of the pressure connector is connected to the connecting portion, and the other end of the pressure connector has a connection port; the pressure sensing component is disposed between the display module and the pressure connector, and the pressure sensing component has an annular body and a diaphragm connected to the annular body; wherein, the connection port of the pressure connector communicates with the diaphragm of the pressure sensing component inside the pressure connector, and the pressure sensing component is at least made of ceramic material for the diaphragm.

The utility model discloses a cooler breather valve testing device, and relates to the technical field of breather valve testing devices, the cooler breather valve testing device comprises a fixed station, the edge of the upper surface of the fixed station is provided with a chute, the interior of the chute is slidably connected with a slide block, the upper end of the slide block is fixedly connected with a moving plate, and the moving plate is provided with a clamping groove. A mounting plate is fixedly connected to the surface of one side of the moving plate in a threaded mode, a fixing assembly is fixedly connected to the surface of the mounting plate, a connecting plate is fixedly connected to the inner wall of the fixing table, a servo motor is fixedly connected to the upper surface of the connecting plate, and an adjusting assembly is connected to the upper end of the servo motor in a spline mode. According to the utility model, the fixing rod and the clamping block can firmly fix breather valves of different specifications, so that the accuracy of test data is ensured, and the accuracy of the data is improved; and through the arrangement of a servo motor and an adjusting assembly, the height of the placement plate can be adjusted according to the requirements of an operator, and the operator can conveniently place the tested breather valve.

The utility model belongs to the technical field of bearing sheath production, and particularly relates to a pressure test device for a bearing sheath, which comprises a workbench, a gear motor is fixedly mounted at the lower end of the workbench, a bevel gear and a first screw are arranged at the upper end of the gear motor, a moving block with a clamping block is spirally mounted on the first screw, and a dust collection bag is fixedly mounted on the right side of the moving block. Vertical frames are fixedly installed on the workbench, a lifting plate is installed between the two vertical frames in a sliding mode, an extrusion block and a pressure sensor are installed on the lifting plate in a sliding mode, and a displayer is fixedly installed on the right side of the vertical frames. The lifting motor drives the second screw to enable the extrusion block on the lifting plate to descend to horizontally stabilize the bearing sheath, the movable motor drives the third screw to enable the pressure sensor to move to the middle to perform pressure test on the bearing sheath, and the device can solve the problems of clamping inclination and inaccurate pressure value caused by dust on the bearing sheath.

The application discloses a piston system structure of a non-rotating piston for a piston pressure gauge, and relates to the technical field of pressure measuring devices.The piston system structure comprises a base, a piston cylinder, a driving device, a vertically arranged first piston rod and a hollow second piston rod.The piston cylinder is arranged in the base and rotationally matched with the base.The driving device can drive the piston cylinder to rotate through a transmission mechanism.The bottom end of the first piston rod extends into the piston cylinder and is slidingly matched with the piston cylinder.The top end of the first piston rod is fixedly connected with a piston which is used for being fixedly connected with a weighing tray.The pressure weighing tray is arranged above the base.The second piston rod is fixedly connected with the base, and the top end of the second piston rod extends into the piston cylinder.The bottom end of the second piston rod is communicated with the liquid outlet of a pressure injection device through a pipeline.The piston system structure can effectively avoid the measurement error caused by the deflection of the piston by driving the piston cylinder to rotate and making the piston not rotate.

The invention belongs to the technical field of concrete detection, and discloses a concrete quality detection device and method.The device comprises a detection cavity with an opening in the top and a load mechanism arranged on the detection cavity and further comprises an annular air bag, and the shape of the inner side of the air bag is the same as that of a to-be-tested piece after the air bag is inflated and expanded; the inflation pump is communicated with the air bag through a pipeline, the protection assembly comprises protection plates and protection air bags, the protection plates are symmetrically arranged at the top of the detection chamber, the protection air bags are arranged in the protection plates, the protection air bags extend out of the protection plates after being inflated and expanded, and the protection air bags are communicated with the air bag through a pipeline; according to the scheme, the air bag is inflated through the air pump, the air bag is expanded through the plasticity of the air bag, the inner side of the air bag pushes and places an inclined test piece, the test piece is placed at the pressure applying center of the loading mechanism, and the problem that the edges are prone to being damaged in the concrete block straightening process is solved.

The invention discloses a cylinder peripheral accessory welding assembly device and method, and belongs to the technical field of assembly welding. The cylinder peripheral accessory welding assembly device comprises a mechanical arm, and a clamping device is arranged at the end of the mechanical arm; a cylinder body workpiece can be clamped on the rotary workbench, and the clamping device can be driven by the mechanical arm to transfer an accessory on the accessory placing frame to a to-be-welded position of the side wall of the cylinder body workpiece; the clamping device comprises a clamping bottom plate, two clamping plates are arranged on the clamping bottom plate, the two clamping plates can clamp an accessory, welding guns are arranged at the front ends of the outer sides of the clamping plates, and the welding guns can weld the accessory to the side wall of the cylinder body workpiece; a telescopic ejector pin is arranged between the two clamping plates, a first pressure sensor is arranged at the end of the ejector pin, the end of the ejector pin can abut against the side wall of the cylinder body workpiece, and the ejector pin can further push accessories between the two clamping plates. The precision of the welding position of each accessory can be guaranteed, and meanwhile errors in the transferring process can be eliminated.

The utility model relates to a natural gas system safety valve belongs to safety valve technical field, the safety valve includes the valve body, the bottom of valve body is the air inlet section, the side is the exhaust section, both intercommunication, the inside of valve body is provided with the sealing piston at the junction of air inlet section and exhaust section, the bottom of sealing piston seals the air inlet section, the upper cavity of valve body is screw thread connection with the support bolt in the top, the downside of support bolt is connected with the top surface of sealing piston through spring mechanism, the top of upper valve chamber is still screw thread connection with locking nut on the upside of support bolt. The safety valve designed in the utility model passes through setting up two layers of support structure of support bolt and locking nut, guarantees the position stability of adjusted sealing piston support end, will not displace in the long -term use process.

The utility model discloses medical perfusion pump pressure measuring module, including pressure response part and sensor lock sleeve part, the sensor lock sleeve part has the socket of built -in pressure sensor, the pressure response part includes the plug and diaphragm, the plug is detachable with socket and is equipped with the pressure chamber of being accessible perfusion pipeline in, the pressure chamber is equipped with the piece groove of being detachable closed by diaphragm at the cavity wall, the diaphragm can be close to pressure sensor when the plug is connected together with socket, and installation is simple, and pressure monitoring is accurate, and the leakage phenomenon is not easy to take place.