184results about How to "Stable distance" patented technology

A multi-wavelength optical transmitter which multiplexes a plurality of channels having different wavelengths into an optical signal for output includes lasers for generating mode-locked channels by corresponding incoherent light received in the lasers. The transmitter also has a semiconductor optical amplifier for amplifying, while in a gain saturation state, the optical signal multiplexed by the multiplexer/demultiplexer. Light from a broadband light source is directed by a circulator to the multiplexer/demultiplexer for demultiplexing among the lasers. Light back from the lasers is multiplexed and then directed by the circulator and amplified by a semiconductor optical amplifier for output external to the transmitter.

A golf club head 1 having an improved dischargeability of foreign matters such as water and mud caught in face line grooves and a sufficient frictional force with a golf ball generated when hitting the ball, the club head 1 comprising a ball hitting face 2 including a hitting surface 7 and at least one face line groove 8 formed in the hitting surface 7, wherein the hitting surface 7 includes a rough surface portion 7a having an arithmetic mean roughness Raf of 0.20 to 0.55 μm, and the surface of the face line groove 8 has an arithmetic mean roughness Ra1 smaller than the arithmetic mean surface roughness Raf of the rough surface portion 7a, and a method for producing the club head 1.

The invention discloses a full-automatic retort installing system and a retort installing method of the full-automatic retort installing system. The full-automatic retort installing system comprises a multi-joint robot, a retort installing executing mechanism, a retort installing vision measurement and control mechanism, a center control mechanism and a feeding mechanism. The retort installing executing mechanism is fixed at the tail end of the multi-joint robot and is located above a retort barrel. The retort installing vision measurement and control mechanism monitors and controls temperature and height of a charge level in the retort barrel in real time. The center control mechanism receives information collected by the retort installing vision measurement and control mechanism and sends control information to the multi-joint robot and the retort installing vision measurement and control mechanism. The feeding mechanism feeds the retort installing executing mechanism. The full-automatic retort installing system can fully simulate manual retort installing, is more high-efficient and accurate, and achieves full mechanization and informatization of wine making retort installing technology.

The invention discloses a pressure cooker which comprises an outer pot, annular supporting pieces, a coil disc, an air duct support and a fan. A turned edge extending inwards is arranged at the lower end of the outer pot. An opening in the bottom of the outer pot is defined by the turned edge. The turned edge is provided with a plurality of elastic pieces. The annular supporting pieces support the elastic pieces and can move in the vertical direction. The coil disc is arranged on the annular supporting pieces and located below the annular supporting pieces. The opening in the bottom is matched with the coil disc. The air duct support is arranged on the outer bottom wall of the outer pot. An outer annular protrusion protruding towards the coil disc is arranged on the upper surface of the air duct support. The width, in the radial direction, of the outer annular protrusion is matched with the width, in the radial direction, of the coil disc. An air duct with an air inlet and an air outlet is defined by the outer annular protrusion, the upper surface of the air duct support, the lower surface of the coil disc and the outer pot together. The fan is arranged at the air outlet. According to the pressure cooker, the coil disc is good in cooling effect, the outer pot is high in structural strength, and the pressure cooker is stably supported by an inner pot.

The invention relates to a wave-activated generator with a line-operated hydraulic cylinder. The generator comprises a wave energy absorption and transformation portion, a line controlling device, and a gravity anchor, wherein the wave energy absorption and transformation portion comprises a floating body and a hydraulic system. A hydraulic oilcircular path of the hydraulic system comprises a single-acting cylinder, an exit one-way valve, a high pressure accumulator, a hydraulic motor, a low pressure accumulator/ an opening oil box, an oil filter, and an admission one-way valve. A cylinder body of the single-acting cylinder is connected with the floating body, and a lower end of a piston rod of the single-acting cylinder is connected through a rope or a chain with a upper end of a rack of an actuating mechanism of the line controlling device which is under the floating body. The rope controlled by the line controlling device extends downwards to be connected with the gravity anchor. According to the system, the hydraulic cylinder which has limited range can adapts to big wave and tidal changes, the effect of rope coiling is good, and the efficiency of rope coiling is high.

A phosphor point source element comprises a disk substrate and light emitting phosphor particles arranged on the substrate to provide a circular operational track having a desirable tightly packed particle arrangement adjacent to a flat operational surface of an operational track region. The operational track region is rotated while illuminated to provide a high intensity point source of radiation. The tightly packed particle arrangement may be achieved by spinning the phosphor particles in a cavity between a fabrication plate and the substrate, to compress the phosphor against the fabrication plate at the periphery of the cavity, or by mechanically compressing the phosphor. An adhesive binding agent may permeate the phosphor particles and be cured to maintain the tightly packed arrangement. A window element may support and/or protect the operational surface, in some embodiments.

The invention discloses an AOI lifting working platform which comprises a machine body and a horizontally-arranged working platform body. An X-axis guide rail and a Y-axis guide rail which are vertically arranged are arranged below the working platform body, the Y-axis guide rail is arranged on the X-axis guide rail, the working platform body is arranged on the Y-axis guide rail, a horizontal supporting platform is further arranged below the X-axis guide rail, one side of the horizontal supporting platform is connected with a nut seat, and the other side of the horizontal supporting platform is connected with a sliding block. A screw hole is vertically formed in the nut seat, a screw rod is vertically arranged on the machine body, the screw rod is inserted into the screw hole and is in threaded connection with the screw hole, and the lower end of the screw rod is in transmission connection with an output shaft of a driving motor. A sliding rail is vertically laid on the machine body, and the sliding rail and the sliding block are connected in a relative sliding mode. The height of the AOI working platform can be adjusted, a PCB is in smooth transition from a backflow furnace to AOI, focal setting is carried out in cooperation with a camera, focusing can be achieved fast and accurately, the high definition of a picture is guaranteed, and the AOI lifting working platform is suitable for being used on AOI working platforms, and has the advantages of being simple in structure and high in control precision.

The invention provides an inner clip type template and a matched device thereof, relating to a concrete inner clip type template accessory, in particular to a template, which can be spliced, interchanged and used repeatedly, and is made of recoverable materials, and a matched device thereof. A metal pull rod(2) is inserted between two opposite templates (1); gaskets (3) are arranged between a choke block(2-2) at one end of the metal pull rod(2) and the templates(1); a inserting piece(4) is inserted in an inserting slot(2-1) of the metal pull rod(2); a precast hollow concrete block(5) is in sleeved connection with the metal pull rod(2) and arranged between the two templates(1). The inner clip type template and the matched device can facilitate the building of concrete templates, and while casting concrete, the inner clip type template and the matched device can conveniently and quickly adjust the wall thickness, shorten the construction period and speed up the construction.

The invention discloses a cooling laser cutting head. The cooling laser cutting head comprises a nozzle and an insulation body; a light ray channel for enabling laser to pass through is formed in theaxis of the nozzle; the nozzle is used as an induction electrode of a capacitance sensor, and is provided with a connecting body; the insulation body is connected with the connecting body; the nozzleis in insulation connection with a laser frame through the insulation body; a cooling block is arranged between the nozzle and the insulation body; the cooling block and the nozzle are arranged in a butting mode; the cooling block is arranged on the nozzle as the capacitance electrode, and is contacted with the nozzle; at the time of heat exchange of the cooling block, the nozzle contacted with the cooling block exchanges heat; through arrangement of the cooling block, the increasing temperature of the nozzle in the working process is counteracted; and the nozzle as the capacitance electrode can maintain a stable temperature to guarantee stable direct distances between the nozzle and plates, so that the cutting effect is smooth and uniform.

The invention relates to the technical field of medical instruments, in particular to a multifunctional shoulder joint rehabilitation training device, which comprises a base, wherein a supporting frame is arranged at the middle part of the upper end surface of the base, a fixing rod is arranged at the upper end of the supporting frame, the fixing rod is horizontally arranged, and the fixing rod isrotatably connected with a rotating disc; the rotating disc is provided with a sliding chute, and a sliding block is inserted into the sliding chute; an electromagnet is arranged in the sliding block; two sides of the sliding block are respectively provided with a bolt hole; one side of the sliding block, far away from the rotating disc, is fixedly connected with a sleeve; a handle is inserted inthe sleeve, a first pressure sensor is embedded in the rod body of the handle; mounting grooves which are uniformly distributed are respectively arranged in the side walls of the two sides of the sliding chute; a bolt is inserted in the mounting groove. When the multifunctional shoulder joint rehabilitation training device is used, the distance between the handle and the fixing rod can be conveniently adjusted, and the force which needs to be consumed when the rotating disc is rotated is convenient for patients in different recovery stages to exercise.

A parallel foamed coaxial cable includes one or more pairs of inner conductors aligned in parallel, a foamed insulation covering together the inner conductors and having a cross sectional shape including an elliptical shape, a rounded-rectangular shape or a quasi-elliptical shape formed by combining a plurality of curved lines, a non-foamed skin layer covering the foamed insulation and having a maximum thickness in a major axis direction of the cross sectional shape of the foamed insulation and a minimum thickness in a minor axis direction of the cross sectional shape of the foamed insulation, an outer conductor covering the non-foamed skin layer, and an insulation jacket covering the outer conductor. The maximum thickness of the non-foamed skin layer is not less than 1% of a major axis of the cross sectional shape of the foamed insulation.

The invention relates to a novel powder transferring control device of a powder forming machine, which is symmetrically arranged at the front side and the rear side of a mould base. Each of the front side and the rear side comprise a powder transferring cylinder connected with an upper plate, and the lower part of a piston rod of the powder transferring cylinder is connected with a stretching screw. A powder transferring thread sleeve is sleeved outside the stretching screw, the inside of the powder transferring thread sleeve extends downwards to form a powder transferring bolt, and a powder transferring limiting seat for limiting the downward displacement of the powder transferring thread sleeve is arranged under the powder transferring thread sleeve. The inside of the powder transferring limiting seat extends upwards to form a bolt matched with the powder transferring bolt, and the lower part of the powder transferring limiting seat is connected with a reset cylinder fixedly connected with a lower fixed punching plate. A piston rod of the reset cylinder extends into the powder transferring limiting seat and is connected with a floating punching plate of the forming machine through a bolt. The invention has the advantages that firstly, the transferring force is stable and reliable, and secondly, the adjustment of the powder transferring time and the powder transferring distance are simple and convenient, and the installation and the debugging are convenient.

The invention discloses an artificial intelligent television convenient to adjust. The artificial intelligent television convenient to adjust comprises a mounting plate. A first sliding rail is fixedly connected with the obverse side of the mounting plate, a first sliding block is slidably connected with the interior of the first sliding rail, the two sides of the first sliding block are fixedly connected with one ends of two pull rods correspondingly, and the other ends of the pull rods penetrate through sliding chutes formed in the first sliding rail and are fixedly connected with one sidesof pull plates located on the outer portions of the other ends of the pull rods; and sliding plates are connected with the positions, on the outer portion of the first sliding rail, of the pull rods in a sleeving mode, and the positions, at the upper end and the lower end of each pull rod, of the sides, opposite to the sliding plates, of the pull plates are movably connected with one sides of thesliding plates through first telescopic rods. According to the artificial intelligent television convenient to adjust, through improvement of the sliding plates, when the intelligent television is adjusted to be at a certain height, the two sliding plates are loosened, the intelligent television can maintain the adjusted height under the effect of the first telescopic rods and extrusion springs, two arc-shaped clamping plates can clamp a supporting rod through cooperative using of clamping springs and baffles, and therefore the intelligent television can stably maintain the adjusted distance.

The invention relates to an automatic transport system based on a network of one-way high-speed-traffic lanes (25, 26, 27, 28) without crossings or red lights, mainly on a pylon (13), dedicated to vehicles capable of operating in an automatic mode in which the driver plays no part in controlling the automotive vehicle. The transport system has stations for the travelers which are different from the entry and exit zones for the vehicles and has high-speed-traffic lanes and service lanes, so that not all of the vehicles are forced to go past the stations and the entry and exit zones.

The invention provides a zero-heat differential phase shift keying demodulator, which comprises an input port, a first output port and a second output port, and is provided with an optical splitter, wherein the optical splitter is provided with an optical splitting surface and a first transparent surface at an included angle of 45 degrees to the optical splitting surface. The demodulator is also provided with an interference arm instrument with first optical glass and second optical glass arranged in parallel with each other. A separator made of a material insensitive to temperature variation is arranged between the first optical glass and the second optical glass; the outer surface of the first optical glass is in butt joint with the first transparent surface of the optical splitter; and a phase adjustment controller is also arranged on the outer surface of the second optical glass and is used for changing the thickness or index of refraction of the second optical glass. The zero-heat differential phase shift keying demodulator provided by the invention can adjust centre frequency for the output of optical signals and the adjustment of the centre frequency is insensitive to the variation of an environmental temperature.

The invention relates to an electron beam fuse wire deposition forming wire end position closed-loop control system and method, and belongs to the technical field of additive manufacturing. The systemcomprises a forming vacuum chamber, a wire feeding mechanism and an electron gun. In the forming vacuum chamber, the wire feeding mechanism conveys a metal wire to a conductive substrate through a wire nozzle, and the electron gun transmits electron beams for fuse wire deposition forming. The system and method are characterized in that the wire feeding structure, the wire nozzle and the electrongun are all mounted on a lifting support, the output wire end of the wire is connected with a waveform current generating power source outside the forming vacuum chamber, the conductive substrate is mounted on a movable platform in the forming vacuum chamber, a waveform current receiver is mounted at the bottom of the conductive substrate and used for receiving a current signal between the outputwire end and the conductive substrate, the waveform current receiver is connected with the control system, and the control system is connected with and controls the lifting support and the movable platform to move.

The invention discloses a filter membrane clamping device with self-locking and damping functions. The filter membrane clamping device comprises a fixed seat and an air inlet seat, a suction nozzle isconnected at the lower end of the fixed seat, a lower sealing ring is arranged on the upper surface of the fixed seat, a buffer groove is formed in the upper surface of the fixed seat, the inner bottom surface of the buffer groove is connected with a limit seat through a fourth compression spring, an upper sealing ring is arranged on the lower surface of the air inlet seat, a filter membrane is mounted between the upper sealing ring and the lower sealing ring, and mounting blocks, bearings and adjusting blocks are connected on the left side and the right side of the fixed seat and sequentially distributed on the left side and the right side of the fixed seat from bottom to top. The filter membrane clamping device has self-locking and damping functions, the speed of the upper sealing ringcan approach to zero when the upper sealing contacts with the filter membrane, so that vibration can be furthest reduced when the clamping device replaces the filter membrane, and air quality and pollution sources of pollution gas are accurately evaluated.

The invention provides a laser cladding self-adjusting device and method. The device comprises a spindle motor, a chuck, an upright column, a Z-axis module, a bracket, a laser cladding head, a first ranging sensor, a control system, a base, a spindle seat, an X-axis module, a second ranging sensor, a tailstock and a cladding material input mechanism, wherein the first ranging sensor is used for detecting a distance between the surface of a workpiece to be cladded and the laser cladding head in real time, and the second ranging sensor is used for detecting a distance between the cladded surfaceof the workpiece and the laser cladding head in real time. According to the device and the method, the automatic fixed height control and accurate time difference control are innovatively arranged, the distance between the cladding head and the workpiece is monitored in real time, the distance between the cladding head and the workpiece is automatically adjusted, and the constant distance betweenthe cladding head and the workpiece is guaranteed; and meanwhile, the height difference before and after cladding is monitored in real time, the execution time is accurately controlled, the process conditions are dynamically adjusted, the constant thickness of the cladding layer is guaranteed, and a problem of development bottleneck of an existing laser cladding technology is solved.

The invention relates to the technical field of an adaptive focusing cutting head for a kilowatt-class fiber laser cutting machine, in particular to an adaptive focusing cutting head for a kilowatt-class fiber laser cutting machine and an operation method thereof. The adaptive focusing cutting head comprises a base. The base has a cavity inside where a dust collection box is arranged. The side wall of the base is threaded with hinge chains. The hinge chains are threaded with a base cover plate at the other connecting portion. Support rods are arranged fixedly at the bottom of the base. Lockinguniversal wheels are fixedly arranged at the far end portions of the support rods. An opening is formed in the middle position of a base surface of the base. Four connecting rods are arranged fixedlyon four inner walls of the opening and located on the base surface of the base. The end portions, far from the inner walls of the opening, of the four connecting rods are fixedly connected with a working table. The adaptive focusing cutting head for the kilowatt-class fiber laser cutting machine can not only improve the adjustment precision, realize the automatic operation and greatly improve theworking efficiency, but also simplify the structure and reduce the cost.

The invention discloses an adjustable filter with a stable wide stop band, which solves the technical problem that in the prior art, an upper stop band is not stable enough as the harmonic frequency links along with a fundamental wave passband when the filter is designed. The adjustable filter with the stable wide stop band primarily comprises two phase step impedance resonators (SIR) which separately load varactors Cv11 and Cv12, a pair of feeders and two varactors Cv21 and Cv22 connected to the resonators and the feeders, wherein the varactors Cv11 and Cv12 loaded to zero points of the spread voltages of the lowest subharmonic (third harmonic) radio frequency are used for adjusting the fundamental frequency and meanwhile, the third harmonic frequency does not link and tune along with fundamental frequency, so that the stable distance between the fundamental waves and the harmonic waves is stable. The adjustable filter optimizes the characteristic parameters of SIR on the premise of stabilizing the upper stop band, so that the frequency tuning range of the fundamental wave passband is expanded, and the performance index can meet the application demand of microwave frequency band.

The invention discloses a new energy electric vehicle battery protection device. The new energy electric vehicle battery protection device includes an iron wire cage, conductive strips, spring installing holes, vent holes, adjusting screw rods and threaded sleeves. The conductive strips are attached to the inner surface of the iron wire cage, and the vent holes are formed in the bottoms of the spring installing holes. The new energy electric vehicle battery protection device is scientific and reasonable in structure and safe and convenient to use, installation pieces and fixing blocks are arranged to facilitate the installation of protective boxes, and the fixation of a cover plate is ensured through the cooperation of buckle holes and the fixing blocks; extrusion plates are arranged, andthe extrusion plates and the adjacent protective boxes are extruded and in contact with each other to prevent the adjacent protective boxes in an electric vehicle from being damaged due to collision;air inlet flanges and the vent holes are arranged to facilitate the adjustment of the temperature inside the protective boxes so as to avoid the situation that a battery is damaged due to too high temperature; and the iron wire cage and a handle are arranged, so that a damaged battery is convenient to take out, and the problem that an existing battery is not prone to being taken out due to the fact that an existing battery is in contact with the inner wall of the corresponding protective box is solved.

The invention discloses a device for processing a metal sheet, which comprises a working box body, a drill rod lifting cavity is arranged in the working box body, a grinding wheel lifting cavity is arranged in the lower part of the drill rod lifting cavity, a working port is arranged in the lower part of the grinding wheel lifting cavity, first lifting chutes are symmetrically arranged in the leftand right inner walls of the drill rod lifting cavity, drill rod lifting blocks are slidably arranged between the first lifting chutes, a first threaded hole penetrating through the upper and lower end faces of the drill rod lifting block on the right side is arranged in the drill rod lifting block on the right side, a first guide hole penetrating through the upper and lower end faces of the drill rod lifting block on the left side is arranged in the drill rod lifting block on the left side, second lifting chutes are symmetrically arranged in the left and right inner walls of the grinding wheel lifting cavity, grinding lifting blocks are slidably arranged between the second lifting chutes, a second threaded hole penetrating the upper and lower end faces of the grinding lifting block is arranged in the grinding lifting block on the right side.