83 results about "Test figure" patented technology

The present invention discloses a test device for simulation of near-fault seismic oscillation initiated by reverse fault strike-slip movement. The device comprises a cube structure test box body with an opening at the upper surface, and a movable baffle plate is arranged at the lower portion of the surface of one side of the test box body; the upper portion of the movable baffle plate is provided with an embedded plate extended into the test box body, and the movable baffle plate can slide along the embedded plate and the lower surface of the test box body; the test box body is internally provided with a simulation fault communicating the upper surface and the lower surface; a simulation tunnel passing through the simulation fault is arranged at the upper portion of the internal portion of the test box body; an upper disc is arranged between one side, close to the movable baffle plate, of the simulation fault and the inner surface of the test box body, and a lower disc is arranged between one side, far away from the movable baffle plate, of the simulation fault and the inner surface of the test box body; and a plurality of serial pressure-sensitive micro-explosion devices are arranged at the lower portion of the simulation tunnel in the simulation fault. The test device for simulation of near-fault seismic oscillation initiated by reverse fault strike-slip movement can really simulate the seismogenic mechanism of the near-fault seismic oscillation under the effect of the simulation reverse fault strike-slip effect, the test result is accurate, and the cost is low.

The invention discloses a two-box movable type cold and hot impact testing machine, which belongs to the technical field of impact testing machines, and is characterized in that the two-box movable type cold and hot impact testing machine comprises a testing machine box, the inner wall of the testing machine box is slidably connected with a testing basket, the top of the testing basket is providedwith a steel wire rope, and the inner wall of the testing machine box is provided with a high-temperature chamber and a low-temperature chamber; a through plate is fixedly connected to the inner wallof the testing machine box, an opening matched with the test basket is formed in the top of the through plate, and the size of the high-temperature chamber is the same as that of the low-temperaturechamber, a valve groove is formed, and when the test basket continuously moves upwards into the high-temperature chamber from the interior of the low-temperature chamber under the action of an electric air cylinder, the air plug arranged on the surface of the steel wire rope in a sleeving mode makes contact with the valve groove and is clamped into the valve groove, and the sealing effect of the valve groove is achieved through the two backing rings arranged on the surface of the air plug. The influence of poor chamber sealing effect on the test result when the test basket moves up and down isavoided.

The invention discloses an impact load simulation system for a drop-type impact test, relates to the technical field of computer aided design and device drop-type impact tests, and aims at solving theproblems of high cost and poor accuracy of drop-type impact test simulation in the prior art. Model verification is carried out on an established simulation model. A certain simulation method is adopted to perform numerical expression on an input load of the impact machine, the impact load and a simulation model are subjected to impact response calculation together and are compared with a test result, and the simulation model is corrected to correspond to the test result, so that impact resistance response calculation is performed in a design stage, and the calculation accuracy is improved; the basis is provided for impact resistance design of the gear box to satisfy design economy requirements of the gear box, simulation is carried out, the cost is low, the accuracy is high, and accuracyis improved by more than one time compared with a general simulation method.

The invention discloses a multifunctional multi-axis tension-compression testing machine. The multifunctional multi-axis tension-compression testing machine comprises a test bed, a plurality of sliding blocks which are respectively and movably arranged on the test bed along different directions, and multiple sample chucks which comprise a plurality of stretching chucks and a plurality of compression chucks; the stretching chucks and the compression chucks are mounted on the sliding blocks in a replaceable manner; when each sliding block is replaced with the corresponding stretching chuck, eachstretching chuck is suitable for clamping one part of a to-be-tested sample, and when each sliding block is replaced with the corresponding compression chuck, each compression chuck is suitable for extruding one part of the to-be-tested sample; the multifunctional multi-axis tension-compression testing machine further comprises a driving device which is in transmission connection with the multiple sliding blocks so as to drive the multiple sliding blocks to move. According to the embodiment of the invention, the multifunctional multi-axis tension-compression testing machine can carry out multi-axis tension and multi-axis compression tests, and has the advantages of accurate and reliable test result and the like.

The invention discloses a concrete test system and method, a computer device and a storage medium. A test terminal in the concrete test system is used for receiving a test delegation list, obtaining test data of concrete, generating a test report, and determining whether the test report belongs to a qualified report or an unqualified report. A test platform is used for acquiring the test data and the test reports, and when the test reports belonging to the unqualified reports are received, alarm information is sent out. Test data and test reports can be obtained through a concrete testing machine at a laboratory end, an alarm message or an ingredient notice is sent to a worker at a construction site, and the worker pauses concrete production according to the alarm message or performs concrete production according to the ingredient notice, so that the degree of manual participation is reduced, the efficiency can be improved, the error rate is reduced, the time difference from test starting to final application of test results is shortened, and development of construction engineering is facilitated. The system, the method, the computer device and the storage medium are widely applied to the technical field of construction engineering informatization.

The invention discloses a VR-based tunnel evacuation and escape test method and system. The method comprises the steps: building a test tunnel model, selecting an accident condition scene, superposingthe accident condition scene to a virtual environment to complete the test setting, giving test participants the feeling of being located in an extreme scene, and improving the authenticity of test data; escape time information, real-time position coordinate information and escape speed information of testers of different escape tests during escape in an accident condition virtual scene are collected; acquiring an evacuation escape track of an escape tester; by analyzing escape response time, escape speed, escape path selection and evacuation and escape effectiveness among different testers and analyzing test results of different scenes. The completeness of influence factors in the test process can be verified. The data support is provided for perfection of the test scenes, and the data support is provided for formulation of evacuation and escape strategies.

The invention relates to a pile sinking test device for a tubular pile. The pile sinking test device comprises a model tank and a pile sinking device, the supporting piece is installed at the top of the model groove, the supporting piece is provided with a vertical displacement driving mechanism, and the vertical displacement driving mechanism can be fixedly connected with the model pile; the limiting mechanism comprises at least three sets of limiting pieces installed on the supporting piece, the limiting pieces and the groove wall of the model groove can form a space allowing the model pile to penetrate through, and the limiting pieces can make contact with the outer side face of the model pile and jointly act with the groove wall of the model groove to limit the model pile from moving in the vertical direction; by adopting the test device, the accuracy of a test result can be ensured.

The invention discloses a test device for an automobile brake system. The invention belongs to the technical field of test devices. The test device comprises a test bench body, a control system, a measuring system and a driving system. Hardware of the control system, hardware of the measuring system and hardware of the driving system are all assembled on the test bench body. A tester inputs a testprogram designed as required into the control system through an upper computer and a brake plate is pressed down to provide a test input; the control system sends a control instruction to the drivingsystem according to a program, collects and processes actual measurement data from the measuring system, and then generates a test curve according to a processed test result and feeds back the test curve to the tester. The movable design is adopted, and arrangement is convenient; the installation space of the brake is large, and the measurement requirements of most passenger vehicle brake systemscan be met; the arrangement form of the pipelines and the on-off of each pipeline can be changed by utilizing the electromagnetic valves, and various actual working conditions can be simulated.

The invention discloses a test system and a test method for a new energy automobile. The test system comprises a remote control terminal and a test site, and the test site comprises a detection room, at least one test room and a travelling crane; the detection room comprises at least one detection platform and a travelling crane, wherein the at least one detection platform is used for detecting one or more performances of a detected sample piece before an experiment, and the travelling crane is used for transporting the detected sample piece detected in the detection room to one test room; any test room comprises a second robot arm and a test bench, wherein the second robot arm is used for placing the tested sample on the test bench, and the test bench is used for executing one or more tests on the tested sample; and the remote control terminal is used for controlling the transportation path of the travelling crane and receiving the detection result and the test result.

The invention provides a digital-display type pavement material strength instrument. The strength instrument comprises a case, and a support is arranged on the upper end face of the case, a force measuring ring is arranged on the support; a force sensor and a penetration rod are arranged on the force measuring ring, and a contact sensor and a displacement sensor are arranged on the penetration rod; a lifting table is arranged at the top of the case, and a test cylinder is arranged on the lifting table, wherein the position of the test cylinder corresponds to the position of the injection rod.According to the invention, the displacement sensor is used for replacing a dial indicator, and a digital display system is used for automatically recording readings to replace naked eye readings, sothe test data can be exported after the test is completed; one person can independently complete the operation, so a large amount of time and manpower are saved, and the test result is more accurate;the contact sensor replaces traditional naked eyes to observe the contact condition of the penetration rod and the surface of the soil sample, and the test result error is smaller, more accurate and more reliable.

The invention belongs to the technical field of product quality inspection, and discloses a grouping inspection scheme determination system and method for exponential life type products, and the method comprises the steps: a parameter initialization module obtains a producer risk threshold, a good product average life, a user risk threshold, a poor product average life and the test plan time consumption of each group; the sample number calculation module calculates the total number and the receiving number of the samples based on the initialized parameters; the grouping test module is used for performing inspection tests on the first group of samples and the second group of samples respectively; the result output module determines a total test result of the product based on the inspection test results of the first group of samples and the second group of samples. According to the method, matching product state on-line monitoring equipment is not needed, related test hardware conditions are reduced, the uncertainty of test completion time is eliminated, the test can be completed on time within the planned time, and the risk of a producer and the risk of a user can be controlled within a threshold range like a test method of a related standard.