211results about How to "Quick action" patented technology

The invention discloses a pipe end hoop welding and fixing device for an automobile pipe, and belongs to the field of automobile pipe end machining equipment. The device comprises a worktable, a pipe head positioning plate and clamps, wherein the pipe head positioning plate and the clamps are fixed to the worktable. The pipe head positioning plate is provided with a pipe limiting groove and a hoop limiting groove. The clamps comprise a hoop clamp, a lateral pushing pipe clamp and an annular hoop pipe clamp, wherein the hoop clamp can press a hoop arranged outside the automobile pipe in a sleeving mode to the interior of the hoop limiting groove; the lateral pushing pipe clamp is used for pushing the automobile pipe to the interior of the automobile pipe limiting groove to be pressed; the annular hoop clamp is used for clamping and positioning the automobile pipe. The positions of the three clamps are adjustable. The automobile pipe limiting groove and the hoop limiting groove form a step type annular groove. By means of the pipe end hoop welding and fixing device, the pipe end of the automobile pipe and the hoop can be precisely positioned, the pipe end and the hoop can not deviate in the machining process, clamping marks can not be generated on the automobile pipe, and the automobile pipe can not be damaged.

The invention discloses a sleep awakening system and a method, wherein the system comprises a sign parameter collecting module collecting sign parameter of human body; a time judging module judging whether the current time is the REM judging time; a REM judging module obtaining the sign parameter and judging whether human body is in REM stage according to the sign parameter while the time judging module judges the current time as the REM judging time; an awakening module awakening human body after pre-awakening time while the REM judging module judges the human body in the REM stage , urging human body to the REM stage in the pre-awakening time while the REM judging module judges the human body not in the REM stage and awakening human body after pre-awakening time; the REM judging time and the pre-awakening time in include from the REM judging time to the awakening time. The system and the method can awaken human body in REM stage.

The invention relates to a special purpose machine tool for mounting a piston copper bush. The machine tool comprises a lathe bed and a pre-positioning mechanism, wherein the pre-positioning mechanism is arranged in the middle of the lathe bed and slides along a longitudinal slide rail. A clamping mechanism is arranged above the pre-positioning mechanism, an angular positioning mechanism is arranged on one side of the longitudinal slide rail at the back of the lathe bed, and two sets of mechanisms which are used for mounting the piston copper bush by the machine tool are symmetrically arranged on both sides of the longitudinal slide rail in front of the lathe bed, wherein the two sets of the mechanisms which are used for mounting the piston copper bush by the machine tool can slide along a transverse slide rail. An electrical control system for controlling operations of various mechanisms is further arranged. The machine tool provided in the invention is applied in a technical field of manufacture of internal combustion engine components. The special purpose machine tool for mounting the piston copper bush provided in the invention has the following advantages of convenient adjusting and fast motion during use, and is capable of rapid installation of the copper bush. With the machine tool, precision of the mounting position of the copper bush is guaranteed. With installation of the piston copper bush by using the machine tool, yield can be improved by 50%, and efficiency of the machine tool is 3-5 times the efficiency of handwork or utilization of auxiliary tools to assistantly mounting the piston copper bush.

The invention relates to a full-automatic bag making and filling and sealing machine of a bag tail filling non-PVC (polyvinyl chloride) membrane transfusion soft bag, which belongs to the technical field of pharmacy packing machine. The full-automatic bag making and filling and sealing machine comprises a machine body which consists of a frame component (3), wherein a distribution box (1) is arranged at one side of the machine body, and a bag making machine and a filling and sealing machine are arranged on the upper part of the machine body. The machine is characterized in that a bag body transfer mechanism (12) is arranged between the bag making machine and the filling and sealing machine, a connector supply mechanism (17) and a preheating mechanism (6) are arranged at one side of the bag making machine, the bag making machine is provided with a made bag annular conveying component (8), the made bag annular conveying component is provided with a connector fixture, the filling and sealing machine is provided with an annular conveying belt, and the annular conveying belt is provided with a bag fixture (19). According to the invention, full-automatic production of the tail filling non-PVC membrane transfusion soft bag is realized through improving the bag, the working principle is simple, the structure is reliable, the operation is stable, the failure rate is low, the occupied space is small, and according to the characteristics of the soft bag, the production cost can be obviously reduced. The action of the machine is fast, and the production efficiency is high.

The invention relates to a quake-proof cradle for infants, comprising a cuboid external frame, an inner layer bed body, an arc-shaped protective cover, a rotating square frame, a triggering device and a transmission device. The cuboid external frame is welded into a cuboid framework by stainless steel tubes and the upper surface thereof is provided with a movable bearing beam capable of opening and closing; the central parts of the frameworks at the symmetrical surfaces of the cuboid external frame are fixedly provided with the bearing beams; two opposite sides of the rotating square frame are arranged on the bearing beams of the cuboid external frame through the bearings; two opposite sides of the inner layer bed body are arranged on the rotating square frame through the bearing; the mounting connection lines of the bearings on the bearing beams and the bearings on the rotating square frame are intersected vertically; the transmission device is arranged below the inner layer bed body; the wireless signals of a vibrating sensor can start a transmission system for closing the arc-shaped protective cover immediately; and the vibrating sensor in the triggering device is arranged at the bottom of the cuboid external frame. The quake-proof cradle for infants uses the self stable inertial system and the arc-shaped protective cover which is fast pop-out for temporarily and directionally protecting the infants from the earthquake disasters.

The invention discloses a multi-terminal flexible DC power line DC line protection method based on voltage pole waves. According to the method, voltage response characteristics of a fault line and a non-fault line at the line boundary during the DC line fault are analyzed, a wavelet transform tool is utilized to extract the transient voltage pole wave characteristic quantity, and internal and external fault identification criteria based on voltage pole wave amplitude characteristics are constructed; for lightning stroke interference, lightning stroke identification criteria for a voltage polewave high and low frequency energy ratio are established; according to the voltage pole wave amplitude relationship of the two-pole line, fault pole identification criteria are constructed. Compared with other protection principles, the method is advantaged in that the motion speed is relatively fast, influence of lightning stroke disturbance is avoided, anti-transition resistance capability is relatively strong, and sensitivity is high.

The automatic hydraulic premade box beam inner formwork system has the inner mold hinging with a pair of up corner mold and a lower corner mold, oil tank slanting upward connected between the top mold and the up corner mold, oil tank slanting downward connected between the top corner mold and the lower corner mold, bracket barricaded along the box beam at the center of the cavity bottom surrounded by inner molds supporting up steel track that has translation cart along it with the cart composed of walking wheel, frame, supporting base beam fastened on the frame, frame of the cart extending outside of the inner mold plate with hydraulic pump station and operation platform. It is simple, steel consumption effective, low in cost, improving inner space 25% than the traditional one.

The invention discloses a pilot protection method of a high-voltage direct current transmission line based on S transformation. The pilot protection method comprises: collecting voltage and current of a protection element connected with positive and negative electrodes of the direct current transmission line, and filtering the voltage and the current; extracting voltage and current mutation data within a set time after a fault, and carrying out S transformation on the mutation data to obtain a complex time-frequency S matrix of voltage and current signals; calculating S transformation phase angles of the voltage and current mutations at each sampling point and a mean of the phase angle difference thereof; establishing a protection criterion of the direct current transmission line, and identifying faults inside and outside the sample space based on the S transformation phase angles of the voltage and current mutations according to the protection criterion; if the fault is a fault inside the sample space, comparing the transient energy of S transformation zero frequency bands of the voltage mutations of the positive and negative electrodes via a rectifying side protection device to judge a fault pole. The pilot protection method disclosed by the invention does not need to synchronize data on both ends of the direct current transmission line and only requires an inversion side to transmit a fault direction identification result to the rectifying side.

The invention discloses a method utilizing independent component analysis and S transformation to detect photovoltaic system fault arcs under system process coupling conditions. According to the method, based on a photovoltaic system output current signal, a current independent main source signal is acquired through independent component analysis, after Fourier transformation of the signal, variance processing on the frequency information is carried out to acquire a first characteristic quantity, the current is processed through S transformation, and a second characteristic quantity is acquired through time and high frequency component integration of an acquired time frequency matrix. After comparing the characteristic quantity value with a corresponding set threshold, a weight coefficient is utilized to realize weighing of output determination results of the two characteristic quantity values on a decision layer, and real-time detection on the photovoltaic system fault arcs is accomplished. The method is advantaged in that through dynamic threshold comparison and weight coefficient weighing of the two decision results, essential difference of the photovoltaic system fault arcs generated in a system process can be obviously mined, the photovoltaic system fault arcs under the system process coupling conditions can be rapidly and accurately cut off, and safe and stable operation capability of the photovoltaic system is improved.

The invention discloses a high-voltage direct-current power transmission line non-unit protection method based on S transformation. Amplitude-frequency characteristic analysis on boundaries formed by smoothing reactors and direct-current filters at two ends of a high-voltage direct-current power transmission line shows that high/low frequency components of line-mode voltage component traveling wave signals can be attenuated to different extents when passing through boundaries of direct-current lines. The method comprises the following steps: accurately extracting specific frequency band components through S transformation, building protection judgment basis, and proposing an internal/external zone fault recognition method based on ratio differences of high/low frequency components in S transformation; comparing transient state energy sums of S transformation at different frequency bands in lightning stroke interference, lightning stroke faults and ordinary short circuit faults, and building S transformation energy ratio judgment basis for recognizing lightning stroke interference; and extracting S transformation zero frequency band transient state energy of transient state energy of voltage of two poles, and building ratio judgment basis, thereby accurately recognizing fault poles.

The inventive embodiment discloses a control system of a nuclear power generating unit and an automatic diagnostic method and a subsystem thereof. The method comprises the following steps that the equipment and/or system information of the nuclear power generating unit is obtained; the equipment and/or system information is calculated through a preset diagnosis logical formula to obtain the function state diagnosis result of the equipment and/or system; in accordance with the function state diagnosis result of the equipment and/or system, the operator needs to adopt corresponding operation measure aiming to the function state; the corresponding operation measure aiming to the function state adopted by the operator is displayed on a display device. The inventive embodiment is able to provide the operator with the function state diagnosis result of the equipment and/or system quickly and accurately, and is able to guide the operator to adopt the corresponding measure.

The invention relates to rotating arm type sorting equipment. The rotating arm type sorting equipment comprises a gear motor driving device, a rotating positioning control device, a rotating arm and a pushing device. According to the rotating arm type sorting equipment, objects to be sorted are conveyed to the position of a pushing plate of the pushing device through a conveying line; the sorting equipment is started; the driving device drives the rotating arm to rotate; the rotating arm rotates to drive the pushing device to perform circular motion and to be in contact with the objects; the pushing device pushes the objects and pushes the objects away from the conveying line to a sorting opening at a specified position; the rotating arm rotates for half a circle, stops moving, and waits for being sorted and pushed next time.

The invention relates to a safety protection air cushion of a lift, with reasonable structural design and fast motion, which solves problems existing when the existing lift is out of control and a safety device against falling is in failure and comprises a damping device assembled at the bottom of the car of the lift and a monitoring control circuit of a single chip thereof; technical points thereof comprises the following steps: the damping device adopts an air cushion with a gas generator and is fixed at the center-of-gravity position of the bottom of the car in a hiding mode; a speed sensor and a transmitting and receiving machine of a position sensor in the monitoring control circuit of the single chip are assembled at the top and the bottom of the car respectively and connected with a single chip circuit in series; the transmitting and receiving machine is connected with a relay in a gas generator circuit in series and a reflector of the position sensor is assembled at the setting position of a car rail at the opposite side of the transmitting and receiving machine; the air cushion can form landing buffering automatically at the instance of landing of the car when the lift is out of control, thus playing the role of protecting personal safety and reducing property loss.

The invention discloses a self-adaptive controlled safe seat in a back row of an automobile and a control method. A seat body can rotate forwards and backwards around a rotating shaft; the lower part of each seat frame is arranged in a corresponding sliding groove and can move forwards in the corresponding sliding groove; an electromagnetic valve is mounted at the side part of each of the sliding grooves; an iron core of each of the electromagnetic valves can extend into a hole in the side surface of the corresponding seat frame to prevent the seat frame from moving forwards; a fixing plate which is not in contact with the sliding grooves is fixedly connected between the rear part of the left side seat frame and the rear part of the right side seat frame; the middle part of the fixing plate is fixedly connected with explosion cylinders in front-back arrangement; the front ends of the explosion cylinders are hinged to the lower end of a pull rod through a cylinder push rod; the upper end of the pull rod is hinged to the bottom surface of the rear part of the seat body, and the pull rod is a telescopic rod with expansion and contraction quantity; the front part of the bottom surface of the seat is hinged to the upper end of a top rod through a front part pin seat; and the lower end of the top rod is hinged to a bottom plate pin seat through the bottom plate pin seat. When the safe seat is under an initial condition, the top rod tilts from a rear upper part to a front lower part; and when being subjected to tensile force exceeding a predetermined intensity, the top rod can be broken, and a protecting condition can be automatically shifted according to the changes of the acceleration of the automobile.

The invention relates to a digitized intelligent long-distance remote-control water injection valve. The water injection valve comprise a control valve and a flowmeter which are connected in series with a water pipe, wherein the control valve is an electric flow regulating valve, the flowmeter is an electromagnetic type flowmeter, and the water injection valve also comprises a PID (piping and instruments diagram) controller and a telecommunication system; a data output end of the electromagnetic type flowmeter is connected with an input end of the PID controller, a control output end of the PID controller is connected with the electric flow regulating valve, and a wireless remote connection is established between the other interface of the PID controller and a control management centre through the telecommunication system; and the PID controller is connected with a display and an operating key. The water injection valve provided by the invention integrates the electric flow regulating valve, the electromagnetic type flow meter, the PID controller and the telecommunication system into a whole, can carry out remote data transmission and networked combination control, non-manpower automatic control water and report data entry are realized, the operating efficiency is improved, and errors caused by manual operation are avoided; and the water injection valve can be directly changed and handled on an original pipeline design and is convenient and rapid to install.

The invention discloses a protection starting auxiliary method for pilot current differential protection. A judgment condition is added on the basis of an existing current differential protection criterion condition when a high-resistance fault occurs, a current auxiliary starting criterion condition is further added, the influence of a PT broken line on a voltage auxiliary starting criterion and the influence of a CT broken line on a current auxiliary starting criterion are comprehensively considered, the refuse operation of a traditional high-resistance auxiliary starting component caused by insensitivity of voltage characteristic quantity is eliminated, higher reliability is achieved, and the fault can be enabled to be reliably removed by differential protection when a high-resistance grounding fault occurs in a high-voltage circuit of a power system.

The invention relates to a rapid tool changing mechanical arm with an electric drive pusher, belonging to the technical field of numerical control machine tool changing machine. The mechanical arm comprises a pedestal (13), a first linear guide rail pair (4), a first slide seat (2), a second linear guide rail pair (1), a second slide seat (10), a first electric drive pusher (5) arranged on the pedestal and with a displacement output terminal connected with a first slide seat and a second electric drive pusher (3) arranged on the first slide seat and with the displacement output terminal connected with the second slide seat. The second slide seat (10) is also provided with a swing arm support (11) and a third electric drive pusher (14), the swing arm support is provided with a swing arm (9), the tail end of the swing arm is provided with a tool-catching disk (6), the tool-catching disk (6) is connected with the output shaft of an electrical machine (7), a swing joint of the swing arm is provided with a gear (12), and the displacement output terminal of the third electric pusher is connected with a gear rack (8) matched with the gear. The invention features simple structure, high reliability, rapid and easily controlled motion.

Production of various Aeromonas hydrophila protective antigen monovalent and multivalent vitelline antibody and its usage in prevention of aquatic animal diseases are disclosed. It utilizes minor-protective antibody to make immune irritant composite egged hen and produce vitelline antibody product. It's safe, efficient, fast, has no harm and residue. It has more output, better immune-system development and functions of nutrients-added, disease-prevention and health-care.

The invention relates to a self-running apparatus of a pier-crossing suspension bracket. The self-running apparatus comprises self-running dollies and a suspension bracket that is suspended by the self-running dollies by steel wire ropes. The self-running dollies are provided with self-driven systems; the self-driven systems include rollers arranged at the bottoms of the self-running dollies and drive motors arranged inside the self-running dollies; and the drive motors are connected with the rollers by transmission mechanisms. The suspension bracket is suspended by at least two self-running dollies by using the steel wire ropes. The self-running dollies are provided with frame bodies and a plurality of stretchable telescopic arms arranged at the tops of the frame bodies; the front ends of the telescopic arms extend out of one sides of the frame bodies; fault detection sensors and automatic telescopic control apparatuses are arranged at the telescopic arms; and hooking parts are arranged at the front ends of the telescopic arms and the suspension bracket is suspended at the hooking parts by steel wire ropes. Besides, winding engines are arranged inside the frame bodies and control the suspension bracket to move up and down by the steel wire ropes. The self-running apparatus has the following beneficial effects: the structure is simple; the manufacturing cost is low; consumed time for pier crossing or pole crossing is short; the construction efficiency is improved; and the applicability and flexibility are high.