32results about How to "Reduce the cost of performance testing" patented technology

The invention discloses a loading device for reliability test of a servo motor and a using method of the loading device. The loading device comprises a lower base plate, an upper base plate, a casing,a fan, a plate seat, a humidifier, a vertical plate, a large through hole, an insertion board, a first chute, a long slide block, a second chute, a short slide block, the servo motor, a first ring, asecond ring, a third chute, a direction-Y sliding platform, a first ring column, a second ring column, a fourth chute, a friction plate, a rotating shaft with a belt, a belt pulley, a belt, a coupling, a connecting shaft, an exciter pedestal, a first exciter, a small motor, a gear, a first shaft, a level rotating arm, a toothed bar, an installation plate, a second shaft, a pulley and a second exciter. The bearing condition and working environment of the servo motor in the practical processing process can be simulated vividly in the test process, object materials and processing cutters are notconsumed, the excellent performance of the servo motor is ensured, the servo motor performance test cost is reduced effectively, the damage mechanism of the servo motor is analyzed by test, and the using performance of the servo motor can be improved.

The invention discloses a mechanical performance test device of an inert gas closed-cycle radial impeller based on a turbocharger structure, comprising: an inert gas storage tank, a pressure stabilizer box, a turbocharger, a tester, a motor, and a cooler , heater, regenerator, throttle valve, anti-surge valve, bypass valve, temperature and pressure probe, vacuum pump. Take the turbocharger as the basic structure, replace its original centripetal turbine or centrifugal compressor with the tester, and use the centrifugal compressor of the turbocharger as the power consumption device, or use the centrifugal compressor of the turbocharger as the power consumption device. Turbine as power plant. The tester, heater, regenerator and cooler form a closed loop with inert gas as the working fluid through pipelines and valves, and the closed loop utilization of inert gas is realized by cooperatively controlling multiple test equipment. The invention has the remarkable features of ingenious and reasonable structure design, resource saving and the like, and is easy to popularize and apply on a large scale.

The invention discloses a multifunctional testing platform for a microseismic system, which includes a microseismic signal collection and transmitting device, and further includes first to fourth microseismic monitoring wells arranged uniformly and clockwise on the outer circle sequentially, and sequentially arranged evenly and clockwise on the inner circle. For the fifth to eighth microseismic monitoring wells, the outer circle and the inner circle have the same center, and a microseismic signal transmission well is set at the center of the circle. The first microseismic monitoring well is located in the east of the microseismic signal transmission well, and the fifth microseismic monitoring well is located In the southeast of the vibration signal transmission shaft, the microseismic monitoring sensors installed in the first to eighth microseismic monitoring wells are respectively connected to the microseismic signal acquisition and transmission devices. The invention also discloses a method for testing the positioning accuracy of the microseismic source, which can use the positioning algorithm to be tested to locate the position of the vibration source according to the monitored microseismic signal, and compare it with the position of the real vibration source to determine the positioning accuracy of the microseismic source. Position the pros and cons of the algorithm and end the test.

The invention provides an electronic variable valve timing system function testing device applied to the technical field of variable valve timing system testing. In the electronic variable valve timing system function testing device, a drive motor (2) is connected with an engine crankshaft (5), a cam shaft speed sensor (11) is connected with an acquisition control module (9), an adjustment motor (6) is connected with a motor control component (8), the motor control component (8) is connected with the acquisition control module (9), the acquisition control module (9) is connected with a rotational speed torque sensor (10), and the drive motor (2) is connected with the acquisition control module (9). The electronic variable valve timing system function testing device and a performance test method of the invention can accurately and quickly simulate the actual working conditions of the electronic variable valve timing system used in the engine to judge the product performance of the timing system and contribute to performance optimization.

The invention provides a five-shaft and double-swinging-head planer type milling machine simulated cutting force loading device and a using method. The device comprises an X-direction cutting force loading assembly, Y-direction cutting force loading assemblies, a Z-direction cutting force loading assembly and a swinging head rotating-direction cutting force loading assembly. The method comprises the following steps: hoisting the simulated cutting force loading device on a working table of a machine tool and fixing the simulated cutting force loading device; fixedly connecting a spindle of a cutting tool of the machine tool with a rod body of a ball rod; communicating a corrugated damping tube with a hydraulic oil source; starting a hydraulic pressure maintaining system; setting a cutting force; adjusting the open degree of a valve port of a throttling valve; tightening pre-tightening bolts through a torque wrench so that suction and discharge resistance and friction force of hydraulic oil are equal to the set cutting force, wherein because the suction and discharge resistance of the hydraulic oil cannot be directly read, the suction and discharge resistance is required to be read after a pressure value is calculated through a formula P=F / S, and because the friction force cannot be read directly, the friction force is required to be read after tightening torque is calculated through a formula M=KF'd / mu; starting the machine tool and running a machining program; truly simulating the actual running state of the machine tool under the stress condition; and testing the performance of the machine tool under the current cutting force condition.

The invention provides a simulated cutting force loading device for a three-axis boring mill and a use method. The device comprises a rigid framework, an X-direction position adjustment assembly, a Y-direction cutting force loading assembly, an X-direction position adjustment assembly and a cutter rotation-direction cutting force loading assembly. The method comprises steps as follows: the simulated cutting force loading device is hoisted on a bench of a machine tool, the position of a simulating facing head is adjusted through the X-direction position adjustment assembly and the Y-direction position adjustment assembly and fixed, and a boring bar on the simulating facing head and a boring bar on the facing head of the machine tool are fixedly connected; a group of cutting force is set, pretightening bolts in the Y-direction cutting force loading assembly and the cutter rotation-direction cutting force loading assembly are tightened through a torque wrench, so that friction force in the cutting force loading assemblies is equal to the set cutting force, and friction force needs to be read out after the tightening torque is calculated according to the formula M=KFd / mu due to the fact that the friction force cannot be directly read; the machine tool is started and runs machining programs, the actual operation state of the machine tool is simulated really under the force bearing condition, and the performance of the machine tool under the current cutting force condition is tested.