6results about How to "Avoid mechanical errors" patented technology

The invention relates to an eddy current-laser-liquid crystal intelligent material synergistic thermal barrier coating nondestructive testing probe and method. The testing probe comprises an eddy current probe, a laser ranging probe and a probe combination detection piece fixing device, the method is used for carrying out comprehensive nondestructive evaluation on the thickness and dielectric constant of the ceramic layer of the thermal barrier coating and the performance of the metal matrix below the thermal barrier coating. When the thermal barrier coating system is evaluated, the distance between the eddy current probe and the upper surface of the metal matrix and the performance parameters of the coating system are obtained through inversion, and the distance between the laser ranging probe and the upper surface of the thermal barrier coating ceramic layer and the height difference between the laser ranging probe and the eddy current probe are measured through the liquid crystal intelligent material and the laser ranging probe. And further obtaining the thickness of the thermal barrier coating ceramic layer. The method has the advantages of being non-contact, high in precision and rapid in detection, mechanical measurement errors caused by uncontrollable factors such as the mechanical contact state and the surface roughness between the probe and the coating surface can be effectively avoided, and accurate evaluation of the thermal barrier coating and the metal matrix is guaranteed.

The utility model relates to astronomical observation equipment technical field provides a single -way multi -star simulation structure, including support and lens barrel, the lens barrel includes first sub -cylinder and second sub -cylinder, first sub -cylinder and second sub -cylinder, first sub -cylinder is provided with camera lens subassembly away from one side of second sub -cylinder, and the detachable connection between camera lens subassembly and first sub -cylinder, second sub -cylinder is provided with the insert piece seat away from one side of first sub -cylinder, and the detachable connection between insert piece seat and second sub -cylinder, the insert piece seat is provided with the mounting seat away from one side of second sub -cylinder, be provided with the light source on the mounting seat, be inserted and arranged the insert piece on the insert piece seat, the utility model can effectively improve the convenience of structural adjustment, improve the operation efficiency while, reduce the mechanical error produced in the repeated dismounting process, guarantee accurate simulation.

The utility model provides a hollow tank body trimming mechanism which comprises a positioning seat and at least one tool bit assembly, each tool bit assembly comprises a group of blades which are mutually matched in a shearing mode, and a meshing point acting on an opening portion of a hollow tank body is arranged between the two blades. The hollow tank body moves along the moving track and passes through the meshing points; the positioning seat is provided with a plurality of static parts, each tool bit assembly is provided with a moving part, and the static parts are matched with the moving parts in a one-to-one alignment mode. The static parts or the moving parts have an extension length, and the moving parts move relative to the corresponding static parts in the direction of the extension length. In the model changing process, the moving track of the hollow tank body is not changed, only the tool bit assembly is made to move close to or away from the moving track in the model changing process, then position change of other parts caused by the change of the moving track of the hollow tank body does not need to be replaced, the model changing process is simple, adjusting steps are simple, and the cost is low. And time and labor are saved.

The present application relates to the technical field of cage washing machine equipment, and specifically discloses a cage box tunnel type cage washing machine, which includes a pre-washing mechanism, a cleaning mechanism, a detection mechanism, a rinsing mechanism, a drying mechanism and a conveying mechanism, wherein the conveying mechanism sequentially passes through the pre-washing mechanism, the cleaning mechanism, the detection mechanism, the rinsing mechanism and the drying mechanism; the detection mechanism includes a detection cabin, a first lifting assembly and a detection assembly, wherein the first lifting assembly and the detection assembly are both arranged in the detection cabin, and the detection assembly is arranged on the first lifting assembly; the first lifting assembly can drive the detection assembly to move up and down around the outer peripheral wall of the cage box, so that the detection assembly can detect dirt residue on the outer peripheral wall of the cage box, and can mark the residual solid dirt; the rinsing mechanism can identify and spot-clean the marked solid dirt on the cage box. The present application has the effect of improving the cleaning quality and cleaning efficiency of the cage box by the cage washing machine.

The invention belongs to the technical field of antenna spherical surface near-field testing, and provides an antenna spherical surface near-field testing method and system based on electric control multiple probes, and the method comprises the steps: obtaining an antenna spherical surface near-field testing scene and testing demands, generating a test sequence comprising a frequency control sequence and a wave position control sequence; controlling the frequency of the microwave signal output by each probe, so that the frequency of the microwave signal output by each probe at the same moment is the same; for each specific frequency point, controlling the amplitude and phase of the microwave signal output by each probe; performing beam forming to obtain an equivalent emission pointing beam under a specific frequency point, and performing radiation of a tested target antenna in sequence to complete antenna spherical near-field testing of the tested target under the specific frequency point; and the frequency is changed through the frequency control sequence, and the antenna spherical near-field test of the tested target under different frequency points meeting the test scene and the test requirement is realized.

The invention relates to a portable algae detection device and method based on deep learning. The device comprises a base; the rotating disc is horizontally and rotatably mounted on the base; the first motor is connected with the rotating turntable; the guide rail is vertically mounted on the base; the sliding block is slidably mounted on the guide rail; the second motor is connected with the sliding block; a lens of the electronic camera is provided with a microscope objective lens, and the electronic camera is fixedly installed on the sliding block; and the processor is electrically connected with the first motor, the second motor and the electronic camera. The rotating platform is used for replacing an xy-axis moving platform in the horizontal direction, mechanical errors caused by machining are effectively avoided, and the difficulty of mechanical control and the cost of mechanical maintenance are greatly reduced; the customized simplified optical microscope system replaces the whole set of optical microscope system, the research and development and maintenance cost of the device is reduced, the size and weight of the device are reduced, the device is convenient to carry, and the device is not limited to use in a laboratory any more, but can be widely applied.