8results about How to "Short time spent" patented technology

The present application relates to a kind of spectral analysis system and method, specifically, a kind of laser-induced breakdown spectroscopy analysis system and method based on suspended electrode and filter paper.The system includes filter paper, adjustable sample stage, high-voltage discharge device, suspended electrode, laser ablation device and spectral signal acquisition and analysis device.The present application uses suspended electrode to change the distribution characteristics of high-voltage electric field, increase local electric field line density and electric field intensity, improve the collision frequency of charged particles in plasma, so as to further enhance the detection sensitivity of LIBS to trace elements, and reduce its detection limit.High-voltage discharge device is used to excite laser plasma again, to improve the detection and analysis ability of target elements.Filter paper enrichment method is used for pretreatment of the sample to be measured, which can effectively reduce the interference of liquid matrix on plasma spectral signal, and improve the sensitivity and stability of detection signal.

The utility model relates to a sensor rapid replacement structure of an SF6 on-line monitoring system, which comprises a high-voltage switch cabinet and an SF6 monitoring sensor, the lower end of the SF6 monitoring sensor extends into the high-voltage switch cabinet through a mounting port, a fixing device is arranged between the high-voltage switch cabinet and the SF6 monitoring sensor, and the SF6 monitoring sensor is arranged in the fixing device. The fixing device comprises a connecting rod, a vertical rod, an extrusion block, a fixing groove, a sliding block, a connecting shaft and an arc-shaped clamping block. According to the utility model, when the SF6 monitoring sensor extends into the high-voltage switch cabinet along the mounting port, the extrusion block extrudes the sliding block in the fixing groove, so that the sliding block moves towards the sensor, the arc-shaped clamping block clamps and fixes the sensor, and when the extrusion block completely enters the fixing groove, the arc-shaped clamping block cannot transversely move any more, so that the SF6 monitoring sensor is fixed. When the SF6 monitoring sensor is disassembled and replaced, only the sensor needs to be pulled out of the installation opening, a new sensor needs to be replaced, then the installation operation is repeated, the replacement steps are simple, the consumed time is short, and rapid replacement of the SF6 monitoring sensor is achieved.

The application relates to the technical field of mine mechanical equipment, and provides an underground multifunctional carrier vehicle, which comprises a main vehicle frame, a directional caster wheel arranged at the front end of the main vehicle frame, a rotary connecting rod, one end of the rotary connecting rod being rotationally connected with the main vehicle frame, a split vehicle frame, the split vehicle frame being connected with the other end of the rotary connecting rod, and a universal caster wheel arranged at the connecting end of the split vehicle frame and the rotary connecting rod. In a first mode of the split vehicle frame, the split vehicle frame is rotated and folded around the rotary connecting rod, the split vehicle frame and the main vehicle frame are parallel and superimposed, the universal caster wheel is lifted and suspended and is accommodated in the inner side of the directional caster wheel, and the directional caster wheel independently supports the main vehicle frame. In a second mode of the split vehicle frame, the split vehicle frame is rotated and unfolded around the rotary connecting rod, the split vehicle frame and the main vehicle frame form a preset included angle, the universal caster wheel falls and supports the main vehicle frame together with the directional caster wheel. Through the rotary deformation structure between the main vehicle frame and the split vehicle frame, function integration and conversion are realized.

The application discloses an annealing method of a cadmium zinc telluride wafer, which comprises the following steps: S1, placing the cadmium zinc telluride wafer and tellurium powder into different positions of an annealing furnace, and sealing the annealing furnace and then vacuumizing; S2, slowly heating the annealing furnace to 790-805 DEG C, and then performing heat preservation; and S3, slowly cooling, and thus obtaining the cadmium zinc telluride wafer. The annealing method has the advantages of easy operation, short technological process, strong controllability, short time required, low number of bright spots of the cadmium zinc telluride wafer with a diameter of 0.3 microns after annealing (less than 30), low internal stress, uniform composition, high resistivity, few particle inclusions, and the like, and the method can process hundreds of wafers at one time, so that the processing efficiency is high, and the method has considerable application prospect.

The utility model relates to the technical field of melt flow grooves, in particular to a secondary aluminum melt flow groove which comprises a first groove body, a second groove body is arranged at the top of the first groove body, an open groove is formed in the second groove body, a filter box is arranged in the first groove body and corresponds to the open groove, and the filter box is connected with three first filter frames in a sliding mode. The bottom of the filter box is slidably connected with a second filter frame, and filter screens are fixedly connected to the interiors of the first filter frame and the second filter frame. According to the aluminum liquid filtering device, the filtering box is arranged in the first groove body, aluminum liquid can penetrate through the opening groove to fall into the filtering box, the aluminum liquid is filtered through the filtering nets on the first filtering frame and the second filtering frame, particle impurities stay in the filtering box, and the filtering box can be taken out of the first groove body and replaced with a new filtering box; and when particle impurities in the old filter box are cleaned, the molten aluminum can be continuously filtered through the new filter box, so that the influence of the cleaned particle impurities on the machining drainage of the molten aluminum can be reduced.

The application relates to a positioning self-calibration method of a mobile lamp and the mobile lamp, which comprises an absolute encoder for indicating the rotation angle of the mobile lamp and a driving device for driving the rotation of the mobile lamp; and the method comprises the following steps: S1. multiple preset positioning reference points are arranged in a circumferential range; before delivery, the driving device drives the rotation of the mobile lamp, and meanwhile, the first output values of the absolute encoder corresponding to all the preset positioning reference points are acquired; S2. after delivery, the driving device drives the rotation of the mobile lamp, and meanwhile, the second output values of the absolute encoder are acquired; when the second output values are equal to the first output values corresponding to the preset positioning reference points before delivery, the preset positioning reference points are taken as the calibrated positioning reference points; and S3. based on the calibrated positioning reference points, the positioning of the mobile lamp is performed. The reset process of the application does not need to rotate to the limit in a certain direction to stop by collision, so as to find the initial position, the positioning is fast, the situation that a larger noise is emitted by collision is avoided, and the use experience is improved.

This invention discloses a design method for an all-steel radial railway tire. The tire has a centrally symmetrical cross-section and includes an external contour structure, an internal contour structure, and the thickness of key components. The method includes the following steps: S1: Determine the tire's outer diameter and end face width, and calculate the tire's section height based on the outer diameter; S2: Design the external contour structure, which includes the crown contour line, shoulder contour line, sidewall contour line, and bead contour line; S3: Design the thickness of key components, which include the crown, shoulder, sidewall, and bead; S4: Design the internal contour structure, which includes the inner contour arc of the crown, shoulder, sidewall, and bead. After determining the tire's outer diameter and section width, the remaining parameters can be automatically calculated using coefficients. The entire process is not only time-efficient but also reduces the requirements for designers.

The utility model relates to bottle blowing machine technical field, concretely relates to bottle blowing machine of short blow molding period, it includes first lifting plate, upper guide pillar, lower guide pillar, upper roof, bottom plate, second lifting plate, first drive part, mesa board, second drive part, the top surface of mesa board is provided with injection mold and blow molding mould, the bottom surface of first lifting plate is provided with carousel assembly and is provided with servo motor on its top surface, the bottom surface of carousel assembly is provided with at least three groups of die head assembly, the bottom surface of second lifting plate is provided with air nozzle head, the utility model discloses utilize second drive part, first lifting plate, carousel assembly drive die head assembly to descend into blow molding mould, at the same time, utilize first drive part, second lifting plate drive air nozzle head synchronous descent and press against die head assembly, and then shorten the total travel of '' lifting frame'', and the time spent is relatively shorter, and it is favorable to improve production efficiency.