207 results about "Test site" patented technology

The invention provides a reverse self-balancing pile foundation bearing capacity detection method based on prefabricated steel pipe piles, and relates to the technical field of pile foundation detection, and the method comprises the steps that the assembled prefabricated steel pipe piles are constructed at preset elevation positions of a target test field; obtaining first record data and second record data; on the basis of the first recorded data and the second recorded data, the total compressive bearing capacity and the total uplift bearing capacity of the prefabricated steel pipe pile are obtained through calculation according to a reverse self-balancing method; wherein a pile body load box in the loading pile body section is used for loading, the upper pile body and the lower pile body are driven to deform oppositely, and at least the stress of the pile body load box and the opposite displacement of the pile body are recorded as first record data; and a pile top load box in the pile cap loading section is loaded, the upper pile body and the lower pile body are driven to deform oppositely, and at least the stress of the pile top load box and the opposite displacement of the pile body are recorded as second record data. The method for detecting the bearing capacity of the pile foundation is simpler, more efficient and quicker.

The utility model relates to the technical field of wind power test field installation, and discloses a wind power test field-based tower drum installation switching device, which comprises a switching mechanism, the switching mechanism comprises a switching drum body, a first connecting flange is fixedly welded at an opening at the upper end of the switching drum body, and a second connecting flange is fixedly welded at an opening at the lower end of the switching drum body. According to the tower drum installation switching device, the switching drum body of the tower drum installation switching device is designed to be of an integrated structure and comprises the whole drum body, the interior and the exterior of the whole switching drum body are kept flat, the sealing performance is good, meanwhile, the inner reinforcing mechanism attached to the inner wall of the switching drum body is arranged on the inner side of the switching drum body, and the structure reinforcing effect of the switching drum body is achieved; the structure of the adapter barrel is reliable, long-time reliable use of the adapter barrel is further guaranteed, regular repair welding or additional welding maintenance is not needed, and the adapter barrel is convenient to use.

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 provides a test management auxiliary method and system based on gesture recognition, and the method comprises the steps: collecting video information through cameras disposed in all working places in a test field, and obtaining the working state information of all working equipment in the test field, identifying the test progress and the working state of the test site based on the video information and the working state information; whether a worker gesture exists in the video information or not is recognized, the worker gesture is recognized, gesture instruction information is obtained, and the worker gesture comprises at least one of a static gesture and a dynamic gesture; and determining the current test progress and working state of the test site according to the gesture instruction information, and recording and prompting test management personnel of the current test progress and working state of the test site. According to the invention, the test management personnel can inquire the test progress through gestures, so that the use of a traditional interphone communication mode to transmit information is avoided, and the test working efficiency is improved.

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 provides an equivalent test device and method for exploring gravity energy storage power characteristics. The device is characterized in that a test circuit is connected with an upper computer after being connected to a power grid; the test circuit is built based on a gravity energy storage grid-connected type and is used for outputting a torque curve corresponding to an equivalent torque curve signal of gravity energy storage so as to equivalently convert the reference power of the gravity energy storage into the torque of a motor for an equivalent test; the upper computer is used for generating a torque curve signal based on the reference power of gravity energy storage and writing the torque curve signal into the test circuit; and measuring the network side power of the test circuit in the test as a test result. According to the invention, the topological structure can be flexibly changed according to the gravity energy storage grid-connected type so as to be suitable for equivalent tests of different gravity energy storage grid-connected schemes; limitation of a gravity energy storage test site can be overcome, power characteristics of the gravity energy storage system in steady-state operation under different grid-connected topologies can be truly restored, equivalent tests of gravity energy storage technologies of different power levels can be carried out, and the accuracy of power test data can be improved.

The invention discloses a water-bearing stratum exploration hole segmented water pressure test method which comprises the following steps: S1, drilling to a final hole in a test field, and designing the position of each test section; s2, assembling a test system, sleeving an upper water stop device and a lower water stop device, and putting the upper water stop device and the lower water stop device into a hole; s3, an upper packer of the upper water stop device and a lower packer of the lower water stop device are pressurized and expanded; s4, carrying out water pressure test work on the first test section; s5, pressure relief is conducted on the upper packer and the lower packer; s6, the steps S3 to S5 are repeated, and the water pressure test work is completed; s7, carrying out a merging water pressing test, and calculating a deviation coefficient; and S8, grading the water pressure test work quality based on the numerical value interval of the deviation coefficient. The upper water stopping device and the lower water stopping device can be lifted relatively to adjust the distance between the upper packer and the lower packer, so that the length and the position of a test section can be adapted, and the working efficiency of a water pressing test is improved; and through the deviation coefficient alpha, the water pressure test work quality of each test section is evaluated, and the precision of exploration work is improved.

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.

A counter-force device for a static load test comprises an anchor pile, a main beam, a secondary beam and a jack. The anchor piles are arranged on two sides of the test pile; a steel cylinder is mounted at the top of the anchor pile; a connecting beam longitudinally penetrates through the steel cylinder; the secondary beams are mounted at the tops of the steel cylinders on two sides of the test pile; the secondary beams and the connecting beams are tied through first tying pieces arranged on the front side and the rear side of the steel cylinder. The jack is mounted at the top of the test pile; the main beam is arranged at the top of the jack, and the two ends of the main beam extend to the positions above the secondary beams on the two sides correspondingly. The main beam and the secondary beams on the two sides are tied through second tying pieces respectively. An adjustable lantern ring is mounted at the lower part of the test pile; displacement meters are arranged on the two sides of the adjustable lantern ring respectively; the displacement meter is supported on the ground and detachably connected with the adjustable lantern ring. The pile foundation static load test device solves the technical problems that a traditional pile foundation static load test device is long in test preparation time and high in cost, potential safety hazards exist, the requirement for a test site is high, the occupied area is large, and the test result is not accurate enough.

The utility model discloses a drop hammer impact test device which comprises a base, a lifting mechanism and a control host, the lifting mechanism is arranged on the base, the control host is electrically connected with the lifting mechanism, and the lifting mechanism comprises a drop hammer guide cylinder, a rope guide cylinder, a lifting motor, a winding drum, a pull rope and an electromagnet. Each of the drop hammer guide cylinder and the rope guide cylinder is formed by detachably connecting a plurality of cylinder bodies, the drop hammer guide cylinder and the rope guide cylinder are fixed on the base, the lifting motor is arranged in the base and connected with the winding drum, one end of the pull rope is fixed and wound on the winding drum, and the other end of the pull rope is connected with the lifting motor. The other end of the pull rope penetrates into the drop hammer guide cylinder along the rope guide cylinder and is fixedly connected with an electromagnet arranged in the drop hammer guide cylinder, an impact hammer is arranged below the electromagnet, and a test bed is arranged in the base. According to the utility model, the drop hammer guide cylinder and the rope guide cylinder are configured into a plurality of sections of detachable cylinder bodies, so that the height can be adjusted according to the floor height of a test site, the device is flexibly suitable for sites with different floor heights, and the application range and the impact height adjusting range are increased.

1. The name of this design product: magnetic stand. 2. Purpose of this design product: Used in medical experiments or testing sites as a magnetic rack for storing centrifuge tubes and capturing magnetic beads. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Assembly state diagram 1.

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 utility model belongs to the technical field of resonant beam adjustment, and discloses a resonant beam adjusting device for adapting to a large-diameter steel cylinder, which comprises a steel plate, and an adjusting mechanism is arranged at the top of the steel plate; the adjusting mechanism comprises a plurality of vibration platform main beams and a plurality of vibration platform auxiliary beams, during use, a test site is firstly paved and leveled, then a steel plate is laid on the leveled site, and then the plurality of vibration platform main beams and the plurality of vibration platform auxiliary beams are all placed on the steel plate for testing; the multiple vibration platform main beams and the multiple vibration platform auxiliary beams are all made of 45 steel, the bolts are made of 42CrMo, the auxiliary parts can effectively absorb redundant vibration and guarantee stable operation of the hydraulic vibration hammer set, after connection work of detection equipment is completed, tests can be prepared, the vibration hammer set can be started, and starting synchronization conditions of all vibration hammers can be observed and recorded. An analysis result shows that the structural strength of the main beam of the vibration platform is enough to bear excitation force load.

A test system includes an information collection unit and a processing unit. The information collection unit is configured to receive a plurality of first parameters from a first test site having a first probe card. The first parameter is related to a plurality of detection results of the wafer tested by the first test site through the first probe card. The processing unit is coupled to the information collection unit, and is used for generating a first model corresponding to the first test site through an artificial intelligence algorithm and the first parameter, carrying out degradation analysis on the first probe card based on the first model and the first parameter, and generating a first detection result. The first model is used for predicting the state of the first probe card when the first test site executes the first test condition. The effect of the test system is that the artificial intelligence algorithm is utilized to carry out degradation analysis on the parameters obtained by the probe card so as to test the degradation trend of the probe card, and then whether the test site can operate normally or not is judged.

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 invention relates to an AGV laser radar calibration auxiliary detection system which comprises a two-axis motion platform, a reflection device and a control device used for controlling the two-axis motion platform and the reflection device. A containing pool is arranged on the ground of the test site, the two-axis motion platform is installed in the containing pool, and a camera is installed over the containing pool; and a reflecting device A, a reflecting device B and a reflecting device C are respectively arranged at the left front part, the right front part and the right front part of the supporting plate. According to the scheme, the to-be-detected AGV is controlled to automatically run to the two-axis motion platform through the inspection program; the position of the AGV trolley is adjusted by controlling the two-axis motion platform, so that the point position in the laser radar of the AGV trolley is aligned with the detected reference point position; the system automatically identifies the model of the AGV, automatically adjusts the heights of the three groups of feature objects according to the model, and automatically completes verification and correction of the laser radar. According to the system, the workload of manual operation and adjustment can be greatly saved, and the calibration efficiency of the laser radar is remarkably improved.

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 invention belongs to the field of aviation flight control hydraulic system tests, and particularly relates to a test method for ground integrated multi-system linkage control, which utilizes existing test equipment resources to identify associated signals and build an equipment framework for realizing test functions. A test management system and a signal simulation system are additionally arranged between a mechanical pump driving device and a main flight control tester, and a network of a test site is utilized to realize transmission of a control signal of the mechanical pump driving device to the test management system through the Ethernet and then transmission of the control signal to the signal simulation system through a reflection memory network; control signal conversion is realized in the signal simulation system, and an existing equipment simulation platform and a software environment are utilized to realize a function module for controlling the action of a control surface by parameters on a machine.

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.

The invention discloses a cable bridge for a testing site, and particularly relates to the field of radio testing. Comprising a plurality of U-shaped fixing frameworks, and the bottom of each fixing framework is supported by a vertical rod; the first flexible rope sequentially penetrates through one side wall of each fixing framework; the second flexible rope sequentially penetrates through the other side walls of all the fixed frameworks; a plurality of U-shaped first trunking frameworks are distributed between two adjacent fixed frameworks, and two side walls of each first trunking framework are respectively connected with a first flexible rope and a second flexible rope; wherein the plurality of fixed skeletons and the plurality of first wire duct skeletons form a cable supporting groove along the extension direction of the cable. The cable supporting groove enables the cable to be placed in the cable supporting groove in the cable arrangement direction and not to fall to the ground. The accumulation of outdoor rain, snow and field sundries in the wire duct is avoided, so that the maintenance difficulty is reduced; in addition, only the fixed framework needs to be provided with the vertical rods for supporting, so that the use amount of plates for processing conventional cable bearing grooves and the number of the vertical rods are reduced, and the cost of materials, processing, installation and the like is saved.

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 present invention discloses a method for improving the utilization rate of an autonomous driving closed test site, which includes: digitizing the road network of the closed test site into sections, and the status bit of each section is: 1 or 0; when the status bit of a section is 0, testing is allowed. According to the status bits of each section, the occupied space sequence of the test vehicle is determined, and the status bits of all the occupied sections are set from 0 to 1; a time dictionary is constructed to record the section duration that the test vehicle will occupy on each section during its test; the test platform obtains the vehicle position and matches it to the section with the shortest distance; when the test vehicle travels to a section, a countdown is performed on the section duration occupied on this section. When the countdown ends, the status bit of this section is reset from 1 to 0. This method can not only realize the real-time and automatic allocation of each section of the test site, achieve multi-vehicle collaborative testing, but also reduce the vacant time of the site and improve the utilization rate of the test site.

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 present invention discloses a reusable device for separating a drone protective cover and a using method thereof, relating to the field of separating a folded-wing drone protective cover, including: a ground test stand, in an inverted U shape, the top column of the ground test stand is connected to the protective cover through a pulling mechanism; two fixing structures, respectively arranged on the side columns of the ground test stand, the fixing structure includes a fixed support, a flange support and a compression spring, the fixed support is arranged on the side of the side columns close to each other, the flange support is arranged on the side of the side columns far from each other, and the compression spring is arranged between the fixed support and the flange support; a pull rod, one end of which is movably inserted between the fixed support and the flange support, and one end of the pull rod abuts against the compression spring; a U-shaped fork ear, the closed end of which is hinged to the other end of the pull rod, and the open end of the U-shaped fork ear clamps and fixes the ends of the two flaps of the protective cover; it can be reused multiple times, thereby reducing the requirements for the test site and test personnel and reducing the test cost.

The present invention discloses a simulation system, testing method, device, and readable storage medium for a hydrogen energy system. The simulation system includes a hydrogen energy controller model, an electrolyzer model, and a hydrogen separator model. The hydrogen energy controller model is configured to output operating parameters set based on an operating parameter setting operation to the electrolyzer model. The electrolyzer model is configured to calculate a first pressure and a first flow rate of a hydrogen-containing electrolyte based on the operating parameters. The hydrogen separator model is configured to calculate hydrogen production result data based on the first pressure and the first flow rate. The present invention enables testers to test the hydrogen production performance of a hydrogen energy system within the simulation system, without being restricted by test sites or test hardware.

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.