19results about How to "The test data is accurate" patented technology

The utility model relates to cement detection technical field especially relates to a cement detection electric bending testing machine, including operation platform, the operation platform top fixedly connected with mounting seat, the operation platform top mounting seat both sides position fixedly connected with mounting bracket, the mounting bracket top is equipped with hydraulic pressure rod, the hydraulic pressure rod bottom fixedly connected with the pressing block, the mounting seat top installation place in the pressing block bottom position is developed and provided with the upper clamp, the upper clamp bottom is developed and provided with the loading roller, the loading roller with upper clamp junction is developed and provided with mounting assembly, the lower clamp is provided with below the upper clamp, be provided with lifting assembly between the lower clamp and mounting bracket. The utility model not only can make loading roller can carry out quick installation and disassembly to improve the replacement efficiency when loading roller appears damage, and can make test piece can be adjusted to be closely combined with loading roller after being placed well to make test data more accurate.

The utility model relates to the technical field of tire performance testing, in particular to a tire puncture resistance testing device, which comprises a bottom plate, four groups of support columns, a top plate, a plurality of rows of puncture mechanisms, a position adjusting mechanism, a moving mechanism, a lifting mechanism, a lifting plate and a mounting mechanism, and is characterized in that the four groups of support columns are connected with the top end of the bottom plate, and the top plate is connected with the top ends of the four groups of support columns; the position adjusting mechanism is installed at the bottom end of the top plate, the moving mechanism is installed at the bottom end of the position adjusting mechanism, the lifting mechanism is installed at the bottom end of the moving mechanism, and the lifting plate is connected with the bottom end of the lifting mechanism. The multiple rows of puncture mechanisms are arranged and mounted at the top end of the bottom plate, the multiple rows of puncture mechanisms are used for testing tires of different specifications and types, and each of the multiple rows of puncture mechanisms comprises a fixing plate and multiple groups of puncture needles. The utility model provides a tire puncture resistance testing device, and aims to solve the problems of inconvenience in operation, inaccurate testing result, poor universality and the like of a tire puncture resistance testing device in the prior art.

This invention relates to a static high-temperature and high-pressure filtration loss testing device for drilling fluid and its usage method. The device comprises an adjusting seat, a heating jacket, an inner cylinder, and a pressure regulating component. The heating jacket is mounted on the adjusting seat, which is used to position the heating jacket at different tilt angles. The inner cylinder is located inside the heating jacket. The pressure regulating component is connected to the upper and lower ends of the inner cylinder via upper and lower valve stems, respectively. The inner cylinder includes a cylinder body and a filter assembly. An installation groove for installing the filter assembly is formed on the inner side wall of the cylinder body. A filtrate channel is formed inside the cylinder body, with one end connected to the installation groove and the other end connected to the lower valve stem. This static high-temperature and high-pressure filtration loss testing device for drilling fluid can obtain more accurate test data, better guiding the research and development of drilling fluid treatment agents and the evaluation of drilling fluid performance, especially for drilling fluid operations in deep and ultra-deep wells.

This invention discloses a modular robot joint testing system. A frame is fixedly mounted at one end of the test base. A rotating rod is rotatably mounted on the top of the frame, with winding shafts symmetrically mounted at both ends of the rotating rod. Traction ropes are wound around the middle of both winding shafts, and light steel mounting blocks are fixedly connected to the bottom ends of both traction ropes. Laser displacement sensors are mounted at the middle of one end of each of the two light steel mounting blocks. The laser displacement sensors of this invention can move along with the robot joints. A laser capture display screen records the amplitude and trajectory of the laser displacement sensors' swing, making it easier for operators to express the motion trajectory and amplitude data generated by the robot joint tests. This greatly facilitates subsequent analysis of the test data, resulting in more accurate test data. Using laser trajectories to express the motion trajectory prevents minor joint swing errors from being indistinguishable to the naked eye.

This application discloses a test device for anti-interference capability of aircraft training, relating to the technical field of aircraft test devices. It includes a workbench, a soft pad, a hydraulic base, a test module, and a simulation test mechanism. The simulation test mechanism consists of a base, a test cylinder, a central shaft, a vertical plate, a movable sleeve, a top shaft sleeve, a secondary base, a pull rope, and an annular bladder. Through the cooperation of the electric telescopic rod, the movable column, and the top shaft sleeve, it simulates sudden pulling force on the aircraft and tests its fuselage stability and response capability under interference conditions. The device also has angle adjustment and airflow interference functions, which can simulate obstacle pulling and airflow interference scenarios in various real environments, improving the realism of the test and the comprehensiveness of the data.

The utility model relates to an optical testboard for testing optical performance, which belongs to the technical field of detection equipment and comprises a plurality of groups of bases which are arranged in a sliding manner, a Z-axis manual sliding table is mounted on one base, field angle test cards are mounted on the rest bases, an X-axis cross sliding table is mounted on the optical testboard, and the X-axis cross sliding table is connected with the Z-axis manual sliding table. An adjustable X-axis and Z-axis manual displacement table is mounted on the X-axis cross sliding table; and a clamp is mounted on the X-axis and Z-axis manual displacement table. According to the device, through the Z-axis manual sliding table, the X-axis cross-shaped sliding table and the X-axis and Z-axis manual displacement table, the up-and-down and left-and-right size from the end of the endoscope head to the front end to the test card can be accurately controlled, the end of the endoscope head is located at the ideal test position, backlight can be provided for the resolution test card through the LED backlight lamp panel, and test data are more accurate.

The utility model relates to the field of unmanned aerial vehicles, in particular to a meteorological monitoring system based on an unmanned aerial vehicle, which comprises a visibility sensor module, a mounting base and a power supply communication port, the visibility sensor module is connected with a mechanical structure of the unmanned aerial vehicle through the mounting base, and a single chip microcomputer is mounted on a structural member of the visibility sensor module. According to the utility model, factors such as visibility, atmospheric temperature, relative humidity, atmospheric pressure, wind speed, wind direction and the like can be accurately measured, and detection equipment transmits data back to the unmanned aerial vehicle remote control handle by means of a communication link of the unmanned aerial vehicle. The unmanned aerial vehicle meteorological monitoring system can realize rapid deployment of meteorological monitoring, and measurement, acquisition and transmission of meteorological disaster early warning detection data, and compared with a meteorological special sensor integrated measurement scheme, the unmanned aerial vehicle meteorological monitoring system has the advantage that the test data can be more accurate. And the assembly can adapt to various measurement environments, winding between the wire harness and the unmanned aerial vehicle is avoided, and the design period is greatly shortened through the integrated design.

The utility model discloses a gasoline engine VTG supercharger assembly integrated test bench relates to gasoline engine spare part test equipment technical field. The utility model discloses a bottom plate is provided with damping assembly at the top of bottom plate, and the top of damping assembly is provided with bearing frame. The utility model has efficient longitudinal damping buffering capacity and stability guarantee mechanism, when the supercharger produces longitudinal vibration in high speed or working condition switching test, and bearing frame will move up and down with vibration, and simultaneously drives the stable rod extrusion damping spring, buffer plate extrusion damper, and the longitudinal vibration is directly buffered through the cooperation of both, avoids vibration transmission to the main body of test bench and ground, improves the stability of test bench itself, prevents the resonance with surrounding equipment, guarantees the normal operation of surrounding equipment, and the limiting sleeve of bearing frame both sides moves along the surface of side plate, further strengthens the overall stability of bearing frame, avoids the test bench shaking problem caused by vibration.

The utility model discloses a TRC and concrete flexural member interface bonding slip test device, including flexural member, slip monitoring device, TRC reinforcing layer and distributed fiber bragg grating sensor, slip monitoring device includes center support, displacement meter fixed support and displacement detection subassembly, displacement detection subassembly is divided into displacement detection subassembly one and displacement detection subassembly two, and displacement detection subassembly one is used for detecting the tensile deformation of flexural member at the bonding interface, and displacement detection subassembly two is used for detecting the tensile deformation of TRC reinforcing layer, TRC reinforcing layer includes cement base and fiber braided net, and distributed fiber bragg grating sensor is connected with fiber braided net, and is used for detecting the strain value of TRC reinforcing layer. The test device of the application can comprehensively consider the interface bonding performance under the joint action of bonding normal stress and bonding shear stress, so that the test data is more accurate.

This application relates to the field of mechanical testing technology, and proposes a shield tail sealing test device for a tunnel boring machine (TBM). The device includes a transparent test chamber, a hydraulic loading device, a gas delivery device, and a water supply device. The transparent test chamber contains a tail brush assembly, which divides the chamber into a hydraulic pressure chamber and multiple grease chambers. The hydraulic loading device includes a first hydraulic loading pipe, a first hydraulic piston and a first water circuit reversing valve disposed within the first hydraulic loading pipe, a second hydraulic loading pipe, and a second hydraulic piston and a second water circuit reversing valve disposed within the second hydraulic loading pipe. The first hydraulic loading pipe is connected to the hydraulic pressure chamber via the first water circuit reversing valve, and the second hydraulic loading pipe is also connected to the hydraulic pressure chamber via the second water circuit reversing valve. The gas delivery device is connected to both the first and second hydraulic loading pipes. The water supply device is connected to both the first and second water circuit reversing valves. This application has the effect of stabilizing the pressure of the test water.

This utility model relates to the field of extraction mixture measurement technology, and discloses an online multi-channel measurement device for the concentration of extraction mixtures. The device includes a housing, with a control cabinet fixedly installed on the left side of the housing. This utility model directly acquires mixture samples from different extraction tanks via an input mechanism, and immediately inputs these samples into a detection mechanism for concentration measurement at a constant temperature. The samples are then discharged by an output mechanism into the corresponding extraction tank, achieving rapid online measurement of the concentration of multi-channel extraction mixtures. Analysis is performed in a detection device next to the production line, effectively managing the number of samples, reducing workload, eliminating sampling time blind spots, and ensuring more accurate test data because the detection environment is consistent with the on-site environment. Relevant data can be quickly fed back to the production department, allowing production personnel to adjust the liquid volume immediately based on accurate data with minimal time lag, significantly improving product yield.

This application relates to a test apparatus for simulating a space environment, comprising a reaction chamber connected to and located inside a vacuum chamber, both the reaction chamber and the vacuum chamber being in a vacuum environment; an input / output component for inputting and outputting media into and out of the reaction chamber; a detection component for detecting environmental parameter values ​​within the reaction chamber and the vacuum chamber; an adjustment component for adjusting the amount of media input and output to and from the reaction chamber by the input / output component; and a controller sending adjustment commands to the adjustment component based on the detection values ​​from the detection component, which adjusts the input / output component to ensure that multiple environmental parameter values ​​within the reaction chamber are within preset ranges, including at least temperature, vacuum level, pressure, and electric field. This test apparatus enables relative pressure balance within and outside the reaction chamber, thereby reducing the impact of the sealing effect of the test apparatus on the test at ultra-low temperatures, and thus obtaining more accurate test data.

The invention relates to the field of infrared detection devices, and particularly discloses a plain glass quality detection device which comprises a base, a feeding conveying belt, a discharging conveying belt, a detection mechanism and a feeding mechanism. The feeding conveying belt and the discharging conveying belt are installed on the top face of the base and located in the same straight line direction. The detection mechanism is installed on the top face of the base and located between the feeding conveying belt and the discharging conveying belt. The feeding mechanism comprises a rotating frame, a middle shading pipe and a rotary lifting mechanism. The rotary lifting mechanism is installed on the top face of the base and used for driving the rotary frame to ascend, descend and rotate, the middle shading pipe is installed at one end of the rotary frame and moves among the feeding conveying belt, the detection mechanism and the discharging conveying belt, a vacuum adsorption head is installed on the inner wall of the middle shading pipe, and the bottom end of the vacuum adsorption head extends out of the bottom end of the middle shading pipe. A rubber vacuum suction nozzle at the end of the vacuum adsorption head is used for sucking glass on the feeding conveying belt. The method has the effect of improving the detection efficiency of the plain glass.

The invention discloses aero-engine fan impact vibration testing equipment and method, and belongs to the technical field of aero-engine testing. The equipment comprises a test box, the interior of which is a sealed cavity; the temperature adjusting unit is used for changing the temperature in the sealed cavity; the transmitting unit is used for transmitting compressed air shock waves to enter the sealed cavity through the transmitting tube and impact the rotating fan test piece; the angle adjusting unit is used for changing the inclination angle of the launching tube so as to change the impact angle; and the vibration response pickup unit is used for capturing the vibration state of the fan test piece after being impacted. By integrating the temperature, angle and speed adjusting functions, complex working conditions of different working temperatures and different impact angles and speeds can be simulated, and accurate measurement of the vibration response after the fan blade is impacted by the foreign matter is achieved. According to the invention, an efficient and accurate test platform is provided for evaluating the shock resistance and vibration characteristics of the composite material fan blade in a complex environment.

The application discloses a two-stage diffusion combustor, which comprises a first-stage reverse diffusion combustor, a connecting assembly and a second-stage positive diffusion combustor which are sequentially communicated from bottom to top, and an installation frame which is externally matched with the first-stage reverse diffusion combustor, the connecting assembly and the second-stage positive diffusion combustor. The two-stage diffusion combustor is combined by a standard first-stage reverse diffusion combustor and a second-stage positive diffusion combustor, a standard two-stage diffusion combustor is constructed, the generation process and the oxidation process of carbon smoke are separated, more accurate test data are provided for the detailed mechanism research of carbon smoke particles, and the development and optimization of subsequent combustion models are positively affected. Meanwhile, since the length of the diffusion flame is longer and the oxidation area of the carbon smoke particles is longer, the spatial resolution is improved, the requirement for measuring instruments is reduced, the separation of the generation and oxidation reaction of the carbon smoke particles is easier to measure and higher in precision.

The utility model relates to the technical field of water level monitoring, in particular to a durable float water level gauge which comprises a water level receiver, one end of the water level receiver is connected with a connecting shaft in a rotating mode, and a transmission mechanism connected with the outer wall of the connecting shaft in a sleeved mode is arranged at one end of the water level receiver. A plurality of fixing mechanisms are fixedly welded to the bottom end of the transmission mechanism, and the bottom ends of the fixing mechanisms are fixedly connected with a water level gauge body and a balance block correspondingly and penetrate into the fixing mechanisms. According to the utility model, the water level gauge main body can flexibly move along with the change of the water level during use through the mutual matching among the internal parts of the transmission mechanism, and the water level gauge main body can flexibly move along with the change of the water level during use through the mutual matching among the internal parts of the fixing mechanism; and the problem that the connection between the water level gauge main body and the chain is broken due to collision and abrasion of sharp objects in water flow is solved, so that the service life of the water level gauge main body is prolonged.

The invention relates to a novel multifunctional fixed experimental platform, which belongs to the field of precise clamping and fixing tests and comprises a support guide assembly, a micro damping moving assembly, a precise control assembly and a clamping and fixing assembly. Wherein the tiny damping moving assembly can greatly reduce the influence of friction force generated by tiny deformation of the tested metamaterial on a final experimental result through a guide rail sliding block structure of the tiny damping moving assembly, and meanwhile, the precise control assembly can be suitable for fixing various complex metamaterial structures due to the high-degree-of-freedom deformation capability of the precise control assembly. According to the invention, the problem that the experimental result is not authentic, consistent and accurate because the surface of a universal test platform has a large friction factor in the positive and negative Poisson's ratio ballast and tension experiments of the conventional metamaterial structure is solved, and meanwhile, the mechanism is suitable for various complex working conditions and has the characteristics of high degree of freedom and high adaptability.

The present application relates to aerospace machinery technical field, it discloses a kind of multifunctional drop test device, it includes vertical test bench, test bench is provided with energy storage release system, drop system and load acquisition system from top to bottom;Energy storage release system is used to store potential energy for drop system and control release drop system, drop system includes separable outer frame and inner frame, landing buffer device is fixed in inner frame;Drop system is used to lock landing buffer device, and after energy storage release system releases drop system, when a certain height from ground, continue to fall by impact buffer support to prevent outer frame, complete unlocking to inner frame, inner frame and landing buffer device continue free fall, and collide with load acquisition system.Impact before the drop system of the present application and load acquisition system complete inner frame unlocking, the disturbance that landing buffer device is received when unlocking is small, and test reliability is high;It is convenient to carry out anti-inclination single leg or multi-leg drop test.