9results about How to "Implement stress testing" patented technology

The invention relates to the technical field of automobile parts, and discloses an automobile part toughness detection device which comprises a workbench, a placement table and a placement plate, the placement table is vertically arranged above the workbench, a front placement block and a rear placement block are vertically arranged above the placement table, and the front placement block and the rear placement block are symmetrical to each other; a working cavity is vertically formed in the opposite side walls of the front containing block and the rear containing block, and the containing plate is located in the working cavity. Through cooperation of the workbench, the placement table, the front placement block and the rear placement block which are symmetrically arranged, the working cavity and the placement plate, positioning and placement of automobile plates can be rapidly completed, loading operation is simple, convenient and efficient, and the preparation efficiency in the early stage of a test is improved; the front pressing plate and the rear pressing plate which are symmetrically arranged can tightly press two ends of an automobile plate during toughness testing, so that the plate is prevented from being snapped and shot, the personal safety of workers is effectively guaranteed, and the protection performance is excellent; the device realizes integrated linkage of pressure test, safety protection and automatic unloading.

The present invention discloses a rotary sliding disc pressure electronic scanning valve, which comprises a mounting bracket with a hollow cavity inside, a rotary driving member arranged in the hollow cavity, a rotating disc driven by the rotary driving member to rotate and switch between a first position state or a second position state, a front end cover wrapping the rotating disc, and a plurality of pressure sensor assemblies annularly embedded in the mounting bracket; a plurality of first air guide needle tubes and a second air guide needle tube are arranged on the front end cover, a first group of channels connected to the pressure sensor assembly in a one-to-one correspondence are arranged in the mounting bracket, a second group of channels connected to the first group of channels in a one-to-one correspondence are arranged in the rotating disc, and a third group of channels connected to all the first group of channels and connected to the second air guide needle tube are arranged. The present invention can realize the automatic switching between the pressure detection state and the sensor calibration state, realize the online automatic calibration, and greatly improve the accuracy and reliability of the pressure detection.

The utility model belongs to the technical field of steel structure detection, and particularly relates to an auxiliary tool for steel structure detection, which comprises a detection box, a box door, a telescopic piece I and a pressing plate, the telescopic piece I is fixedly mounted at the top of the detection box, and the pressing plate is fixedly mounted at the bottom of the telescopic piece I. An auxiliary device is arranged in the detection box. The auxiliary device comprises an adjusting mechanism, a clamping mechanism and a lighting mechanism, the adjusting mechanism is arranged in the detection box, the clamping mechanism is arranged at the top of the adjusting mechanism, and the lighting mechanism is arranged in the detection box. According to the auxiliary tool for steel structure detection, the adjusting mechanism is arranged, a second telescopic piece is started to push a top plate to move up and down, a connecting plate is driven to rotate when the top plate moves, and meanwhile a left supporting block and a right supporting block are pushed to be close to or away from each other along a sliding groove, so that the distance between the left supporting block and the right supporting block is adjusted; and therefore, the steel structure main bodies with different lengths can be conveniently placed, and the compression resistance test of the steel structure main bodies with different specifications can be realized.

The application discloses a PCIE device state detection method and system, electronic equipment and medium, relates to the technical field of PCIE device, and comprises the following steps: scanning a PCIE device tree on a server mainboard, and obtaining a PCIE device identifier on the PCIE device tree; disabling and enabling the connection state of the PCIE device and a central processor according to the device identifier; after the connection state of the PCIE device is disabled and enabled each time, performing PCIE link training once within a preset time; and after each link training is completed, the register results associated with the PCIE device are read and traversed to analyze the PCIE device state. The application can perform pressure test on the PCIE device, effectively improves the detection and diagnosis efficiency of the PCIE device, and if the PCIE device fails, the register information can be inquired, and the failure cause can be analyzed and located.

The invention provides a semiconductor packaging material pressure testing method and device, and the method comprises the steps: applying pressure to a to-be-tested semiconductor packaging device, obtaining the real-time pressure, measuring the real-time voltage of the to-be-tested semiconductor packaging device in the pressure applying process, and determining the pressure of the to-be-tested semiconductor packaging device when the change condition of the real-time voltage meets a preset voltage change condition. And determining that the to-be-tested semiconductor packaging device after pressure application is in a damaged state, and taking the real-time pressure in the damaged state as the ultimate pressure of the packaging material corresponding to the to-be-tested semiconductor packaging device, thereby realizing the pressure test of the semiconductor packaging material. According to the technical scheme for testing the pressure of the semiconductor packaging material, the to-be-tested semiconductor packaging device is pressurized, and the ultimate pressure of different semiconductor packaging materials is accurately obtained according to the voltage change condition of the device in the pressure applying process, so that powerful support is provided for researching the failure of the semiconductor device.

The present invention discloses a pressure-resistant detection device and method for outdoor cookers, comprising an inner support mechanism and a pressurizing mechanism, wherein the inner support mechanism is arranged on a rotating seat, a slide rail is arranged inside the rotating seat, an inner support head is hinged at the bottom of the slide rail, a locking connecting rod is hinged at the upper end of the inner support head, a slider is arranged at the end of the locking connecting rod, and the slider is slidably connected in the slide groove of the slide rail; the pressurizing mechanism comprises a central column, a rotating ring is rotatably connected outside the central column, a clamping part is arranged at the end of the pressurizing mechanism, the clamping part comprises a first ring buckle arranged on the rotating ring and a second ring buckle arranged on the central column, a clamping column is inserted in the first ring buckle and the second ring buckle, the clamping column is fixed to the first ring buckle, and the clamping column is slidably connected to the second ring buckle. The present invention provides a pressure-resistant detection device and method for outdoor cookers, which realizes the pressure resistance test of the circumferential force of the cooker and the pressure resistance test of the coating of the new material through the pressurizing mechanism and the inner support mechanism.

The application provides a kind of superhigh pressure multi-field coupling stress-strain material characterization equipment and method, wherein the equipment comprises: a pressure testing machine, including a moving platen, an upper pressure plate, a base and a lower pressure plate, the upper pressure plate is provided with a probe accommodating cavity reaching the lower surface, and a first crystal cone is arranged at the opening, the lower pressure plate is provided with a probe accommodating cavity, and a second crystal cone is arranged at the opening;First probe unit and second probe unit respectively include at least one of ultrasonic probe, laser probe, visible light probe, infrared probe, ultraviolet probe, electromagnetic wave probe, radioactive ray probe, the probes of the two units are respectively arranged in the probe accommodating cavity of the upper pressure plate and the lower pressure plate, and are respectively installed opposite to the first crystal cone and the second crystal cone.This application can realize the combined test of one or more physical signals synchronously during the pressure test of the material, and can also realize the material test under superhigh pressure condition.

The utility model discloses a packaging box compression resistance testing device, which relates to the technical field of packaging box detection and comprises a support frame, a support plate is arranged in the support frame, a pressing plate is arranged above the support plate, and a box body is arranged between the support plate and the pressing plate. The supporting frame is arranged, the supporting plate and the pressing plate are arranged in the supporting frame, the supporting plate is matched with the pressing plate, a compression resistance test on the box body can be achieved, the hanging rod and the balancing weight are arranged below the supporting plate so as to control the range of pressure borne by the box body, and the positioning ring is arranged above the pressing plate so as to control the compression resistance of the box body. The positioning ring can control the initial movement position of the pressing plate, the sliding sleeves are arranged at the four corners of the supporting plate, the initial positions of the supporting plate and the box body can be adjusted through the arrangement of the sliding sleeves, and when packaging boxes of different specifications are detected, the position of the supporting plate can be adjusted so that the movement range of each detection of the pressing plate can be guaranteed; therefore, the detection precision of the device is improved.

The invention discloses a biomimetic degradation performance testing device and testing method for a biodegradable magnesium alloy material, and particularly relates to the technical field of biomimetic degradation. The biomimetic degradation performance testing device comprises a testing box, a vibration mechanism is arranged in the testing box, and a pressure applying mechanism is arranged above the vibration mechanism; the pressure applying mechanism drives a to-be-tested material to collide with the pressure applying mechanism through the vibration mechanism, and the vibration mechanism and the pressure applying mechanism are used for carrying out mechanical test on the bionic magnesium alloy material; a power box is arranged outside the test box, a circulating mechanism is arranged in the power box and used for carrying out dynamic circulating test on simulated body fluid, the vibration mechanism comprises a first motor, the first motor is arranged outside the test box, the output end of the first motor is fixedly connected with a rotating shaft, and the rotating shaft is connected with the power box. The vibration mechanism and the pressure applying mechanism can simulate the influence of dynamic load and stress in the body, and the circulation mechanism can simulate the dynamic flow of liquid in the body.