132 results about "Test site" patented technology

The invention belongs to the technical field of wind tunnel tests, and discloses a half-mode loading device and a loading method thereof. The half-mode balance is vertically mounted on the half-mode loading device, and the loading device is used for accurately applying and measuring a transverse load, so that comprehensive and quantifiable test field balance loading inspection is performed on the vertically mounted half-mode balance before the model is mounted. The loading method of the half-mold loading device comprises the following steps: installing the vertical part of the half-mold loading device; installing a horizontal part of the half-mold loading device; determining the loading load of each component of the half-mode balance; carrying out Y-direction load group loading; changing the loading direction; carrying out X-direction load group loading; and loading of all the load groups is completed. According to the half-mode loading device and the loading method thereof, through five-component loading, single-component or multi-component combined loading is realized; and through automatic control of loading and unloading, the operation is simple and convenient, and the engineering practical value is achieved.

The invention relates to a fixed-wing target aircraft aerodynamic characteristic detection method and device, and the device comprises a supporting part which is used for fixedly connecting a complete machine to be detected; the base part is fixed to a test site and connected with the supporting part through a plurality of horizontally-arranged movable parts, and the movable parts at least can feed back bearing capacity information. According to the detection device provided by the invention, multiple parameters related to aerodynamic characteristics in the whole machine testing process can be obtained through stress feedback of the multiple movable parts in the testing process, and meanwhile, the whole machine can be ensured to be stressed in a gas field to automatically move through the movable property of the movable parts in the whole machine testing process, so that the whole machine testing efficiency is improved. Therefore, the test result is visualized.

The invention relates to an anti-pinch function test method, device and equipment, a storage medium and a vehicle. The method comprises the steps that under the condition that a moving instruction sent by a preset server is received, a test device is controlled to move to a preset test site beside a target vehicle; controlling a force transducer of the test equipment to move to a closing path of an automatic closing mechanism of the target vehicle, and sending a movement completion instruction to a preset server, so that the preset server sends a closing instruction for closing the automatic closing mechanism to the target vehicle in response to the movement completion instruction; the force sensor is used for detecting the force applied to the force sensor by the automatic closing mechanism to obtain force data. According to the embodiment of the invention, the whole process automation of the anti-pinch function test is realized, the consumption of human resources consumed by the anti-pinch function test is reduced, the standardized anti-pinch function test is realized, and the efficiency and accuracy of the anti-pinch function test are improved.

The application discloses a test fixture for electrical performance of FCBGA single product, and belongs to the field of electrical performance test of FCBGA single product. The FCBGA single product is in a rectangular structure. The fixture substrate is fixedly installed on an external flying probe test machine. A plurality of rectangular test sites are arranged on the fixture substrate and used for placing the FCBGA single product. The size of the test site is greater than that of the largest specification of the rectangular FCBGA single product. An L-shaped reference block is fixedly arranged at a first reference corner of the test site, and an inner corner is arranged on the L-shaped reference block. The inner corner is designed to be matched with a first corner and two side edges of the FCBGA single product. A strip-shaped stopper is arranged at a second reference corner of the test site. The first reference corner and the second reference corner are two opposite reference corners of the test site diagonal line. The first corner of the FCBGA single product is abutted against the L-shaped reference block, and the strip-shaped stopper is abutted against the second corner of the FCBGA single product. The first corner and the second corner are two opposite corners of the FCBGA single product diagonal line. Based on the above structure, the efficiency and quality of the flying probe test link are improved, and the test work on different size products is met.

An electronics part verification system may comprise a test-site board loaded onto or otherwise secured to a PnP machine and computer instructions for using the PnP machine's capabilities to (i) retrieve a component-to-be-verified from a feeder; (2) move the component to a test site on the test-site board; (3) use an LCR meter to obtain an inductance, capacitance, or resistance value for the component; and (4) determine, based on the value from the LCR meter, whether the component is correct or incorrect.

The application discloses a method for precisely controlling construction quality of a roller compacted concrete interlayer, which comprises the following steps: S1, roller compacted concrete test preparation, determining a test site and a roller compacted concrete test block size, and dividing areas of the test block; S2, a roller test process, layer-by-layer rolling of the test block, and obtaining maturity results of different interlayer joints of the test block; S3, curing and coring of the roller compacted concrete test block, and obtaining test result data of the core sample; S4, analyzing tensile and compressive results of the core sample, and obtaining analysis conclusions of the tensile and compressive results of the sample; S5, according to S2 to S4, formulating control standards and treatment measures of the roller compacted concrete interlayer joints in different months; S6, in a roller compacted concrete dam construction process, corresponding treatment measures are carried out according to the control standards and treatment measures of the roller compacted concrete interlayer joints in different months; and S7, after the roller compacted concrete dam construction is completed, construction quality is checked and results are verified. The application can improve pouring quality of the roller compacted concrete.

The present application relates to camera testing technical field, especially to a kind of camera testing system.A kind of camera testing system includes test equipment, equipment library and clamping equipment.Test equipment is movable, including: pickup device and first control device.Equipment library includes second control device and at least one first jig, and the first jig includes first fixed mechanism and data transmission component.Clamping equipment is detachably fixed on the first fixed mechanism, including: first clamping mechanism, second quick-connect mechanism and second control mechanism.First clamping mechanism is used to clamp the equipment to be tested.Second control mechanism includes: third data transmission unit, second switching unit and operating unit.A kind of camera testing system, its advantage is, can select shooting test site according to the requirement, meet the requirement of the shooting distance and range of camera.Can test multiple equipment at a time, mobile phone is automatically clamped, improves test efficiency.

The application provides a target scattering characteristic test method based on support structure pointing difference servo, and belongs to the technical field of low observability. The method is to reduce the coupling relationship between the support rod and the target by making the low scattering support rod produce a known and certain difference rotation when rotating, so as to reduce the influence of the coupling relationship between the support rod and the target on the test precision. The application can reduce the influence of the coupling relationship between the support rod and the target on the test precision on the basis that the overall electromagnetic characteristics of the test background are in a lower order, and quickly complete the scattering characteristic test of the low scattering target. The support rod produces a known and certain difference servo motion track when the rotary table rotates, the coupling characteristics between the support rod and the target are reduced through track fitting, higher target scattering characteristic measurement precision is obtained, the requirement for the low scattering characteristics of the support rod is greatly relieved, and the scattering characteristic measurement accuracy of the large target is improved. The application is suitable for all test sites using the support rod to arrange the target in the electromagnetic wave irradiation area.

The utility model belongs to circuit board test technical field especially relates to a daughter -mother carrier plate test fixture and test fixture. Including mother carrier board, be equipped with first test site on the mother carrier board, be used for placing the circuit board body of the circuit board under test, be equipped with a plurality of guide column at first test site edge, be equipped with probe hole in first test site, probe hole is used to accommodate probe to carry out test to circuit board body, be close to first test site and be provided with daughter carrier board subassembly, daughter carrier board subassembly includes fixed base and rotatablely set up on the cover of fixed base, be equipped with second test site on fixed base, second test site is used for placing the soft row connector of the circuit board under test, the rotating end of daughter carrier board subassembly away from the cover is equipped with buckle assembly, the cover carries out the down pressure fixed to soft row connector to carry out test to soft row connector. The utility model can realize accommodating and testing circuit board body and its associated soft row connector simultaneously, has simplified the test procedure, has promoted test efficiency.

The hand carried enhanced penetrometer includes an electrical linear actuator system to advance a soil penetration rod into a test site soil during a penetrometer test. The penetrometer also includes a base plate system that uses an operator's static body weight to anchor the penetrometer to a test site surface during a penetrometer test. In operation, an operator places at least one foot on a penetrometer structural base plate and activates the linear actuator to advance a penetration rod into the test site soil. The tripod embodiment of the system includes an operator's seat that allows an operator to conduct a penetrometer test in a seated position while passively anchoring the penetrometer in place at the test site. The invention includes monopod, bipod, and tripod embodiments.

The invention relates to the field of cable voltage withstanding testing, in particular to a power cable voltage withstanding testing method, which comprises the following steps of: defining a scanning interval in combination with total capacitance of a cable and historical resonance data of the same type of cable in a three-stage resonance point searching mode of coarse scanning positioning of a candidate interval, fine scanning of refined data and secondary interpolation calibration; the problem of low efficiency of all-interval precise scanning is solved, and the defect of insufficient precision of empirical estimation can also be made up. According to the invention, the voltage compensation coefficient and the boost rate compensation value are respectively calculated based on the ground temperature and humidity environmental parameters of the test site, the dynamic correction of the test voltage and the boost rate is realized, and the influence of temperature and humidity on the cable insulation dielectric strength can be eliminated. According to the method, a mode of correlation analysis of discharge sound and current data is constructed in a boost stage, a defect area is positioned through a decibel attenuation trend, insulation abnormity is verified in combination with current fluctuation correlation, and a defect range is accurately narrowed to a single monitoring point interval or an adjacent monitoring point interval.

This invention provides a method for visualizing test site workstations using a digital dashboard, comprising the following steps: creating site information and determining workstation information within the site; completing workstation labeling; binding test tasks to workstations; and displaying test task information for site workstations. Through this method, the test process can achieve true transparency and real-time management, improve site utilization efficiency, and enhance team collaboration and anomaly response capabilities.

The invention belongs to the technical field of rail transit equipment manufacturing and maintenance, and relates to an electric locomotive cooling tower test device and method, and the device comprises a test bench pedestal which is used for supporting a cooling tower; the spraying device comprises a spraying pipe, a test bed stand column and a water distribution pipe arranged in the spraying pipe, the spraying pipe penetrates through the test bed stand column, the spraying pipe conveys a water source of a test site to the water distribution pipe, and the water distribution pipe is provided with a spraying head which is used for spraying water towards the cooling tower; the power supply is a variable-frequency power supply and is connected with the electric connector of the cooling tower through a power supply cable; the problems that the external rainfall environment cannot be truly simulated and the sealing performance of the cooling tower air system cannot be accurately detected during a cooling tower test are solved. The problems that test items such as a cooling tower operation test, wind speed detection and vibration detection need to be switched back and forth on a plurality of workbenches, and the working efficiency is not high are solved.

The application discloses a kind of to avoid oil tank bottom uneven surface local force suspension test device and method, comprising: portal frame, the portal frame is vertically fixed on test site;Lifting mechanism, the lifting mechanism includes winding assembly and suspension assembly, the winding assembly is installed on the portal frame;Crash tray, experimental oil tank cabin is placed on the crash tray;Binding suspension system, the binding suspension system includes binding assembly, hoisting assembly and limiting component;Data acquisition system, the data acquisition system includes height detection module;Image acquisition system, the image acquisition system is arranged on sample site.The application solves the uneven surface of the bottom of the special fuel tank cabin in the local stress damage problem in crashworthiness test, so that the uneven structure of the bottom of the tank cabin has no concentrated load in the whole test, effectively protects the test piece intact, avoids test piece to be damaged in advance, leading to experimental failure, and causes cost waste at the same time.

The utility model belongs to the related technical field of antenna testing devices, and particularly relates to an antenna testing device and antenna testing equipment. A testing machine table is arranged on a testing device, the testing machine table is provided with a workpiece mounting position for fixing a workpiece, the workpiece mounting position is provided with a plurality of testing positions, a testing plate is arranged in the testing machine table, and the testing end of the testing plate is arranged above the surface of the workpiece mounting position; a pressing mechanism is arranged, the pressing mechanism presses up and down on the testing machine table, and the pressing mechanism is provided with a conductive part; a first conductive region and a second conductive region are arranged through the conductive part, and the first conductive region is vertical to the second conductive region; a feeding point of the workpiece is arranged on the peripheral side of the testing position, and after the pressing mechanism is pressed downwards, the first conductive area is connected with the testing end of the testing plate, and the second conductive area is connected with the feeding point of the workpiece, so that the testing end of the testing plate which is vertically arranged and the feeding end of the product can be conducted and connected through the conductive part.

The utility model provides a steering system and acceleration loading test equipment. The steering system comprises two steering mechanisms which are respectively arranged at two ends of a rack of the acceleration loading test equipment; the steering mechanism comprises a steering frame, two steering wheel sets and two driving assemblies. The bogie is connected with the rack, and the two steering wheel sets are rotationally connected to the two ends of the bogie correspondingly. The two driving assemblies are arranged on the bogie, the output ends of the two driving assemblies are correspondingly connected with the two steering wheel sets correspondingly, and the two driving assemblies are used for driving the two steering wheel sets to swing in the same direction or in the opposite directions correspondingly. When the two steering wheel sets swing reversely, the acceleration loading test equipment steers in situ. According to the steering system and the accelerated loading test equipment, the steering radius can be reduced, the limitation of the test site area on the position transfer of the accelerated loading test equipment is eliminated, and the steering mode can be flexibly selected according to the actual situation, so that the position transfer flexibility and the adaptability to the test site are improved.

The invention provides a variable pitch test system and method, and the system comprises a transmission mechanism which comprises a horizontal transmission assembly and a lifting cache assembly, the horizontal transmission assembly comprises a horizontal transmission belt and a carrying disc, and the lifting cache assembly is arranged at the end part of the horizontal transmission belt; the variable-pitch transition mechanism comprises a fixed bracket and a bearing table; the material moving mechanism is arranged between the conveying mechanism and the variable-pitch transition mechanism; a plurality of fixed test sites are arranged in the test mechanism; the transfer mechanism comprises a transfer module and a transfer assembly, the transfer assembly is connected to the transfer module and comprises a plurality of transfer suction nozzles, and the distance between the transfer suction nozzles is equal to the distance between the fixed test sites. According to the invention, the problem that the testing efficiency is affected due to insufficient matching of mechanism stations in the detection process can be overcome, compared with the conventional testing technology, the device has the advantages of high controllability, wide application scene, high compatibility, high automation degree and the like, and the testing efficiency and quality of components are remarkably improved.

The invention belongs to the technical field of electric data processing, and particularly relates to a multi-measuring-piece linkage aircraft structure state early warning method, which comprises the following steps of: classifying each strain gauge according to data characteristics; based on a classification result, applying at least one classification association method to determine a third-level alarm part; based on the result of the third-level alarm part, determining a second-level alarm part by applying a space or structure association rule; based on the result of the second-level alarm part, performing clustering judgment in the key area of the structure, and determining a first-level alarm part; according to the method, the problem that weak parts are difficult to position after strain data abnormity identification is solved, monitoring and early warning of dangerous parts of the structure are realized, and command decision of a test site is effectively supported.

The application discloses a kind of spring washer elastic performance testing device, belong to spring washer elastic performance testing technical field;Solve the elastic performance testing device of existing spring washer needs additional reliance electronic universal testing machine and other large equipment, the space of test site and the high requirement of related hardware matching, and the problem of complicated operation, low efficiency in test process.The testing device of the application includes fixed base, pressure measurement and pressure display component, step stud, pre-tightening force applying component, pre-tightening force conducting component;The lower end of step stud is fixed on fixed base, and step stud is sequentially penetrated by pre-tightening force applying component, spring washer, pre-tightening force conducting component and pressure measurement and pressure display component from top to bottom.The testing device of the application is simple in structure, low in preparation cost and can load and unload multiple spring washers at a time under specified load, with high testing efficiency.

The present application relates to the technical field of waterproof detection of direct-buried pipes, in particular to a foam glass waterproof performance detection method for direct-buried pipes. The present application divides the camera range into multiple key camera blocks by arranging high-definition camera components and test simulation equipment on the test site. The waterproof performance test is carried out in the test simulation block. The test data of the simulation test are obtained by collecting the data of the test execution stage through the monitoring and control components and inputting into the fault early warning mechanism to obtain the fault early warning signal. In this way, the state of the test simulation equipment is monitored, which facilitates the accuracy of the data. The test simulation equipment is provided, which includes the waterproof performance detection simulation equipment installed. The waterproof performance detection simulation equipment includes a test simulation cabin, a simulation box positioning component, a pressure loading component and a monitoring and control component, which facilitates the operation of the test and effectively reduces the artificial dependence on the test environment adjustment.

The invention relates to a hybrid power closed test bench, in particular to a hybrid power closed test bench for a planetary variable-frequency speed regulation device. The invention aims to solve the problem that the existing power closed test bench cannot meet the test requirements under the working condition of switching between double-input single-output and single-input double-output. The performance test bench can be widely applied to construction of various planetary variable-frequency speed regulation devices or performance test benches of other types of power dividing planetary transmission gear devices. The device has the advantages of less test site use and low driving power consumption. Secondly, according to the invention, a loader element in an existing mechanical power closed test bed structure is canceled while a mechanical power closed function is realized by designing the position of a motor and adjusting the overall structural arrangement of the test bed by utilizing the power dividing characteristic of planetary transmission. And finally, a speed increasing box and an accompanying test box are arranged, so that the working rotating speed and the torque adjusting range of the test bed are expanded, and the total occupied space is reduced. The invention belongs to the technical field of planetary variable-frequency speed regulation device tests.

The utility model discloses a computer hardware performance detection device, and relates to the technical field of computer accessory detection, the computer hardware performance detection device comprises a transverse plate, the side wall of the transverse plate is fixedly connected with a linear driver, the moving end of the linear driver is fixedly connected with a sliding block, the side wall of the sliding block is fixedly connected with a sliding block, and the side wall of the sliding block is fixedly connected with a connecting plate; the side wall of the connecting plate is fixedly connected with a driving motor, and an output shaft of the driving motor drives the clamp to be rotationally connected with the side wall of the connecting plate. The side wall of the bottom of the transverse plate is fixedly connected with a bottom plate, a worm and gear mechanism is driven by a servo motor, impact frames made of different materials are automatically switched to test positions, and a hardware continuous free falling body test is achieved. The impact frame is made of different materials such as iron, wood and concrete, ground materials possibly encountered by hardware in actual use are simulated, and the impact resistance of the impact frame is comprehensively evaluated.

The invention relates to an underground pipeline test site detection skill intelligent evaluation method, which comprises the following steps: burying an underground pipeline in a test site in advance to simulate and restore the real state of the urban underground pipeline, measuring standard pipeline point data by adopting a direct measurement method, and establishing an underground pipeline standard database; performing actual detection on the underground pipeline, obtaining comparison pipeline point data, and constructing an underground pipeline comparison database; pipeline points of the same type and the same section are screened out from the standard database to be grouped, the plane distance between each pipeline point in the database and each group of standard pipeline points is calculated and compared, and matching points are obtained; and calculating the plane position deviation and the vertical position deviation between each group of matching points, and calculating the assessment score corresponding to each comparison pipeline point according to the scoring basis, thereby summarizing and calculating the total score of technical level assessment. Compared with the prior art, the detection precision of different personnel, equipment and methods can be objectively evaluated, and the accuracy and reliability of the evaluation result are ensured.

The invention discloses a vehicle electromagnetic compatibility test system and method. The vehicle electromagnetic compatibility test system comprises an information acquisition subsystem, an electromagnetic interference subsystem, a test upper computer and a site communication device. The information acquisition subsystem comprises a camera, a laser radar and a sound catcher which are arranged above a test site rod piece; the electromagnetic interference subsystem comprises a first guide rail, an electromagnetic interference signal generation device and an electromagnetic interference controller which are arranged around a test site; the test upper computer communicates with the tested vehicle and is used for controlling the tested vehicle to run according to a test scene process so as to simulate a test scene; and the site communication device is used for realizing communication among the information acquisition subsystem, the test upper computer and the cloud platform. The system can achieve the automatic testing of the transverse function of the tested vehicle under an electromagnetic interference signal, detects the transverse function of the vehicle under a real electromagnetic interference scene, improves the electromagnetic compatibility testing efficiency, and improves the reliability of a testing result.

The application discloses a kind of air pressure holds tightly formula cable test terminal, including outer tube body and rubber tube nested in outer tube body;The outer tube body two ends are respectively fixed with the rubber tube two ends, and the gap between rubber tube outer side wall and outer tube body inner side wall is provided, so that the closed chamber capable of accommodating insulating gas is formed between rubber tube and outer tube body;Ventilation port is provided on the outer tube body and is communicated with the closed chamber, and ventilation valve is connected on the ventilation port;Stress cone or stress tube is embedded in rubber tube.The application uses gas as insulating medium to realize cable test, without transformer oil, avoid test site pollution, reduce the test cost caused by cable end waste, and can simplify the operation of cable test process.

The invention discloses an industrial test position air supply and exhaust system and method based on state recognition, and the system comprises an air supply pipeline which is disposed at the front side of a test position and is internally provided with an electric switch valve and a multi-blade adjusting valve, and the air supply pipeline employs a jet flow air port; the exhaust pipeline is arranged on the rear side of the test position, and a variable-frequency exhaust fan is arranged in the exhaust pipeline; the air supply pipe is connected with the air supply pipeline, and an air outlet of the air supply pipe is provided with an air supply mechanism; according to the invention, 'accurate regulation and control on demand 'of the air supply and exhaust system is realized, the comprehensive energy consumption is reduced, and meanwhile, the environmental stability is improved.

The utility model discloses an adjustable vibration impact test fixing device which comprises a base, the whole base is of a cross-shaped structure, first limiting rods with the adjustable distance are symmetrically arranged at the two ends of the top of each first limiting rod, and second limiting rods with the adjustable distance are symmetrically arranged at the two ends, perpendicular to the first limiting rods, of the top of the base. The top ends of the first limiting rod and the second limiting rod are connected with limiting plates, the limiting plates are slidably arranged on the outer sides of the first limiting rod and the second limiting rod, the two adjacent ends of the base are fixedly connected with vertical plates with length scales, and the ends of the limiting plates are slidably connected to the surfaces of the vertical plates. According to the fixing device, the distance between the limiting rods at the two corresponding ends of the base can be adjusted, and the limiting rods at the two corresponding ends are always in symmetrical positions, so that the external stable positioning of the to-be-tested part can be ensured, the to-be-tested part is positioned at the central position of the base, the subsequent accurate testing of the tested part of the part is facilitated, and the testing efficiency is improved. And the accuracy of vibration impact is ensured.

The present application relates to a kind of high-energy X-ray multilayer nested shielding device, belong to CT technical field, solve the problem that the high-energy ray test needs to be carried out in shielding plant in prior art, and the space occupied is large and test site is limited.The present application includes: fixed shielding tube, mobile shielding tube and intermediate scanning tube;The fixed shielding tube is provided with two, and is first fixed shielding tube and second fixed shielding tube respectively;The mobile shielding tube is symmetrically provided with two, including: first mobile shielding tube and second mobile shielding tube;First mobile shielding tube and second mobile shielding tube are respectively slidably connected in the inside of first fixed shielding tube and second fixed shielding tube;The intermediate scanning tube is sleeved in the inside of the mobile shielding tube, and two ends of the intermediate scanning tube are respectively connected with first fixed shielding tube and second fixed shielding tube fixedly.The present application realizes the self-shielding of high-energy ray.

The invention provides a monocular vision snakelike running action detection method and device, equipment and a medium. The method comprises the steps that a real-time video stream of a snakelike running test site is collected through a single camera; performing area cutting on the video frame based on the site calibration point to obtain a human body detection area and a rod body detection area; loading and running a deep learning model, performing asynchronous reasoning on the video frame, and obtaining a human body detection frame, a human body posture key point, a rod body detection frame and a rod body state classification result; continuously tracking the detected human body target based on a human body tracking algorithm, and obtaining a motion track of an effective tester; according to the spatial relationship among the human body position, the posture key point and the rod array, the motion stage is judged in real time; in the movement process, detecting at least one illegal behavior in real time; according to the exercise stage and the violation detection result, automatic timing is carried out, a structured report containing exercise performance and violation information is generated, and full-process automatic detection can be achieved only through a single camera.

The invention provides a tail undercarriage connector assembly testing device. The tail undercarriage connector assembly testing device comprises an integrated frame (1), a first loading connector assembly (9), a second loading connector assembly (14), a reversing device (7) and an actuator. The loading joints in various forms can accurately and reasonably implement multi-loading-point, multi-direction and high-load loading; the integrated frame is of a building block type assembly structure, the universality of the integrated frame is improved, concentrated loads can be dispersed through a steel frame structure to form structural common stress, the bearing capacity of the integrated frame is improved, an actuator can be fixedly installed, the installation precision of a loading point is guaranteed, and disassembly of a test device and the occupied area of a test site are reduced.