57results about How to "Make sure to be in" patented technology

The invention relates to a system for fastening a rail on a subsurface (U) and to a guide plate (7, 8) intended for such a system (1). The system comprises a spring element (9, 10) which can be braced against the subsurface (U) by means of a tensioning element (15, 16) and has at least one spring arm (48, 49), an adapter piece (11-14) which sits on an end section of the spring arm (48, 49) and has a contact surface section (58-60), and a guide plate (7, 8). The guide plate has a contact surface (42) for the rail foot (F) and a slide surface (56, 57) which adjoins the contact surface (42) and via which the adapter piece (11-14) can be moved out of a pre-assembly position, in which the contact surface section (58-60) of the adapter piece sits on the guide plate (7, 8), into an installation position, in which the contact surface section (58-60) of the adapter piece sits on the rail foot (F) of the rail (S) to be fastened. The slide surface (56, 57) of the guide plate (7, 8) ascends in the direction of the contact surface (42). In addition, a stop (54, 55) is provided on the slide surface (56, 57) and the adapter piece (11-14) is seated against said stop in the pre-assembly position.

The invention relates to a sniping trajectory acoustically measuring method. The method comprises the following steps: (1) randomly distributing and fixing three tetrahedral quaternary arrays to form a microphone array, wherein the three tetrahedral quaternary arrays are not on the same straight line; (2) measuring and calibrating space coordinates of all sensors in the three tetrahedral quaternary arrays by using a total station; (3) respectively determining equations of directional lines l1, l2 and l3 of respective shockwave acoustic source points of the three microphones, and setting the direction from the shockwave acoustic source points to the corresponding microphone matrixes to be the forward directions of directional lines l1, l2 and l3; (4) establishing a geometric model of a trajectory line L and a searching rule; and (5) removing one unreasonable trajectory line and determining a unique trajectory line L. By the method, the technical problem of large error in the conventional acoustically detecting method is solved, and the track and direction of the sniping trajectory can be quickly and accurately calculated, thereby providing a low-cost and practical technical method for safety guard work in critical areas. Therefore, the method has important realistic magnificence in counterterrorism and peacekeeping.

The invention provides an endoscope, comprising an endoscope casing, an optical assembly and a drying part; the endoscope casing has a cavity for accommodating the optical assembly, and the drying component is installed in the cavity On the part, the mounting part is arranged on the outer wall of the optical assembly, the inner wall of the cavity of the endoscope housing, or the bracket between the optical assembly and the endoscope housing. In the endoscope provided by the present invention, after the drying component is installed on the mounting part, it is ensured that the drying component is located on the optical path of the endoscope, which effectively avoids the generation of a fog layer on the optical path of the endoscope, and improves the performance of the endoscope. The dryness in the cavity effectively ensures the imaging performance of the endoscope.

The invention provides a waste wire recycling device, and belongs to the technical field of machinery. The technical problem that the existing skin and wire core separation efficiency is low is solved. The waste wire recycling device comprises a rack, wherein an input assembly for inputting a wire is arranged on the rack; a plurality of auxiliary transmission assemblies for assisting in wire inputare arranged on the rack; each auxiliary transmission assembly comprises a transmission roller I and a transmission roller II; the transmission rollers I and the transmission rollers II are arrangedon the rack; a conveying channel for conveying the wire is formed between the transmission rollers I and the transmission rollers II; the transmission rollers I and the transmission rollers II can straighten the wire; an extrusion wheel I, an extrusion wheel II, an extrusion wheel III and an extrusion wheel IV are rotationally arranged on the rack; the extrusion wheel I and the extrusion wheel IIare transversely arranged; and the extrusion wheel III and the extrusion wheel IV are longitudinally arranged. The waste wire recycling device has the advantage of high skin and wire core separation efficiency.

The invention discloses a laser early cancer diagnosis instrument. An optical path between a laser (1) and an optical fiber coupler (6) of the diagnosis instrument is arranged thereon with a frequency doubler (2), a frequency mixer (3), a frequency divider (4) and a filter (5) in sequence. An optical path of the frequency divider (4) is arranged thereon with a photoelectric converter (11) for providing collected triggering signals. A conduction optical fiber (7) consists of an incident optical fiber (71) and a receiving optical fiber (72). A bandpass filter (9) for receiving fluorescence signals and a photoelectric detector (10) are arranged between the receiving optical fiber (72) and a computer (12). The computer (12) is electrically connected with the laser (1), the photoelectric converter (11), the photoelectric detector (10) and an output unit (13), and is used for controlling the laser (1), subjecting the collected fluorescence signals to integral processing by using a time domain method and sending a comparison result of the processed fluorescence signals and a fluorescence signal of a normal tissue to the output unit (12) to be displayed. The diagnosis instrument can effectively diagnose various early cancers.

The invention relates to the technical field of lighting lamp production and manufacturing, in particular to LED lighting lamp production and manufacturing assembling equipment which comprises an assembling base plate, an assembling column and an assembling top plate, the assembling column is vertically arranged, the assembling top plate and the assembling base plate are fixed to the upper end and the lower end of the assembling column correspondingly, and a lampshade clamping device is arranged on the assembling top plate; the assembling column is sequentially provided with an auxiliary positioning device and a lamp holder clamping device from top to bottom. Lampshade bodies and lamp holder bodies of different specifications and shapes can be in threaded connection, a lamp holder threaded opening and a lampshade threaded opening can be kept in a horizontal state through the positioning platform, and the situation that the lamp holder threaded opening or the lampshade threaded opening inclines, and consequently threaded connection between the lamp holder threaded opening and the lampshade threaded opening is affected is avoided; meanwhile, the positioning platform can also ensure that the lamp holder threaded opening and the lampshade threaded opening are located on the same axis so as to be in smooth butt joint.

The invention discloses a method for detecting contents of calcium and magnesium in natural limestone. The method for detecting contents of calcium and magnesium in natural limestone comprises the following steps: weighing 2g of a sample and placing the sample in a beaker, adding water for wetting, adding a hydrochloric acid solution for boiling, boiling for 15 minutes, carrying out a cooling to room temperature, adding a 1+1 ammonia-water solution for adjusting till floc generates, mixing the solution, filtering with filter paper, fetching 25.00ml of the filtered sample solution, adding 50mL of water, adding 5.0mL of triethanolamine solution, adding a drop of malachite green solution (1%), adding a sodium hydroxide solution (100g / L) for adjusting till the blue green color in the solution disappears, carrying out a heating for boiling, after boiling, carrying out a continuous heating with soft fire for about 5 minutes, after cooling, adding a few of calcium indicators, and carrying out a titration with an EDTA standard solution till the solution color changes into blue which is the terminal point from red; according to the invention, a malachite green solution is used for accurately controlling the pH value of magnesium deposition condition and the pH value of titration system terminal point, and the method provided by the invention is convenient, rapid and accurate; the step of heating, boiling and micro-boiling for 5 minutes is used for ensuring complete deposition of magnesium; the detection method is simple, rapid, and has stable determination results and good recovery rates.

The invention provides an electropolishing device for inner wall of stainless steel pipe, the upper end of the device is provided with a copper anode unit frame, the copper anode unit frame has an inclination angle of 5 to 15 degrees, and extension steel pipes are connected to both ends of a steel pipe, the left end of the extension steel pipe at the left end is provided with an electrolyte distributor, the electrolyte distributor is connected with a high-lift centrifugal pump through a pipeline, the right end opening of the extension steel pipe at the right end is connected with a collector,a flexible cathode is arranged in the steel pipe, a return pipe connected with an electrolyte tank is arranged at the bottom of the collector, a pressure relief pipeline is arranged between the upperend of the electrolyte tank and the outlet of the high-lift centrifugal pump, and a fully automatic control host and a high frequency pulse rectifier are arranged at the bottom of the right side of the copper anode unit frame. The device has compact structure, small floor space, high processing efficiency, good processing quality, convenient assembly and disassembly of components, long service life of the device and good economic benefits.

Example embodiments presented herein are directed to a seat assembly and corresponding method and computer readable medium for adjusting a seat in an autonomous vehicle. This adjustment is provided so that the seat occupant can provide natural thrust to control the adjustment once the vehicle is in an autonomous driving mode.

The invention provides a waste wire recycling device, and belongs to the technical field of machinery. The technical problem that the existing skin and wire core separation efficiency is low is solved. The waste wire recycling device comprises a rack, wherein an input assembly for inputting a wire is arranged on the rack; a plurality of auxiliary transmission assemblies for assisting in wire inputare arranged on the rack; each auxiliary transmission assembly comprises a transmission roller I and a transmission roller II; the transmission rollers I and the transmission rollers II are arrangedon the rack; a conveying channel for conveying the wire is formed between the transmission rollers I and the transmission rollers II; the transmission rollers I and the transmission rollers II can straighten the wire; an extrusion wheel I, an extrusion wheel II, an extrusion wheel III and an extrusion wheel IV are rotationally arranged on the rack; the extrusion wheel I and the extrusion wheel IIare transversely arranged; and the extrusion wheel III and the extrusion wheel IV are longitudinally arranged. The waste wire recycling device has the advantage of high skin and wire core separation efficiency.

The invention discloses a prefabricated shear wall perpendicularity adjusting device. The prefabricated shear wall perpendicularity adjusting device comprises a Y-shaped connecting piece, a first supporting rod piece, a second supporting rod piece, a third supporting rod piece, a drop hammer and a pipe spirit level, wherein the Y-shaped connecting piece comprises a first connector, a second connector and a third connector; one end of the first supporting rod piece is connected with the first connector through a first right-hand and left-hand thread, and the other end of the first supporting rod piece is fixedly connected with a shear wall; one end of the second supporting rod piece is connected with the second connector through a second right-hand and left-hand thread, and the other end ofthe second supporting rod piece is fixedly connected with the shear wall; one end of the third supporting rod piece is connected with the third connector through a third right-hand and left-hand thread, and the other end of the third supporting rod piece is fixedly connected with an inclined strut embedded part; the drop hammer is hung on the first supporting rod piece, and the second supportingrod piece is provided with a drop hammer groove used for being matched with the drop hammer; and the pipe spirit level is arranged on the second supporting rod piece. During use, the first right-handand left-hand thread, the second right-hand and left-hand thread and the third right-hand and left-hand thread are adjusted, so that bubbles of the pipe spirit level are centered, the drop hammer falls into the drop hammer groove, so that the shear wall connected with the first supporting rod piece and the second supporting rod piece is in a vertical state, the structure is simple, and adjustmentis convenient.

The invention belongs to the technical field of calibration regulation and control, and relates to a method and a system forcalibrating and adjusting a heliostat. The system comprises: an active heliostat angle regulata ion module which actively regulates the angle of the heliostat according to the sunlight irradiation angle; and a heliostat angle correcting and adjusting module used for judging the change value of the illumination intensity received by each heliostat, and if the change value of the illumination intensity received by each heliostat exceeds a preset threshold value, determining that the heliostat with the change value of the illumination intensity exceeding the preset threshold value is the heliostat reflecting solar rays out of the heat collector, and adjusting the heliosta to make solar rays reflected by the heliostat return to the surface of the heat collector. The reflection angle of the heliostat can be monitored.

The invention discloses a lateral induction straight seam welding device for thick-walled pipes, which includes a pressure roller, a numerical control console, a support frame, an end cover, a hydraulic cylinder, a local induction heating device, an infrared thermometer, a disc induction coil, Frame, hydraulic jacking device, hydraulic telescopic arm, support shaft, edge heating module, and coupling block; the invention provides a lateral induction straight seam welding method for thick-walled pipes. The upper and lower sides of the wall pipe welding gap are preheated and the axial expansion and contraction of the hydraulic cylinder is controlled to control the position of the local induction coil, and the low temperature part of the weld side wall is supplemented with heat; the invention effectively controls the heating range and High efficiency, the coil equipped with a magnetic conductor is used to supplement the heat of the low-temperature part, which solves the uneven temperature of the welding surface caused by the boundary effect, and can greatly reduce welding defects such as cold welding, cracking, and edge waves.

The invention discloses a current multiplying self-biasing current multiplexing passive frequency mixer which comprises a self-biasing input transconductance stage, a passive local oscillator switch and a low voltage transimpedance amplifier. The self-biasing input transconductance stage is provided with a self-biasing transconductance stage combined with a capacitive coupling current mirror. On one hand, transconductance current and the transimpedance amplifier are multiplexed. On the other hand, the bias current of the transimpedance amplifier can be precisely fixed. An additional differential pair is introduced in the low voltage transimpedance amplifier. The source of a common-gate tube is equivalent to virtual ground under a transconductance enhancement circuit. A transconductance tube in the differential pair replicates the current of the common-gate tube, and the current is injected into a load. Down-converted current is multiplied. Compared with a conventional passive frequency mixer, the current multiplying self-biasing current multiplexing passive frequency mixer provided by the invention has the advantages that the power supply voltage and bias current are reduced simultaneously; higher efficiency is realized; the conversion gain is improved; and the noise performance is improved.