369results about How to "Avoid dragging" patented technology

A suture tool for fixing the gastric wall to the abdominal wall comprises a first puncture needle for insertion, a suture thread, a second puncture needle for removing the suture thread, a linear grasping member and one or more anchor member. The tip end portion of the suture thread is inserted into the first puncture needle and a hook of the linear grasping member is inserted into the second puncture needle for removing the suture thread inserted into the first puncture needle for securing the gastric wall to the abdominal wall.

The invention discloses an underwater pipeline detection and tracking system and detection method of an automatic remote control underwater robot. The underwater pipeline detection and tracking system comprises a lower computer and an upper computer. The lower computer is arranged underwater, and the upper computer is arranged on a water surface mother ship. The lower computer comprises a sensor module, an optical visual module, an embedded controller and an underwater optical transceiver. The sensor module and the optical visual module are connected with the signal input end of the embedded controller respectively. The signal output end of the embedded controller is connected with the signal input end of the underwater optical transceiver. The upper computer comprises an overwater optical transceiver, a water surface monitoring module and a manual operator. The manual operator is in circuit connection with the water surface monitoring module which is in circuit connection with the overwater optical transceiver. The underwater optical transceiver is connected with the overwater optical transceiver through optical fibers. The automatic remote control underwater robot can transmit images in real time, the water surface mother ship can monitor the underwater environment in real time, safety of the complex underwater operation condition is guaranteed, and detection and tracking tasks of an underwater pipeline are finished.

The invention relates to a tristate superior clutch comprising an outer ring, an inner ring, a plurality of wedgy blocks positioned between the outer ring and the inner ring and a retaining frame which is positioned between the outer ring and inner ring and used for retaining the wedgy blocks; a first working face of the wedgy blocks permanently contacts one of the working faces of the outer ring and the inner ring and can make a second working face of the wedgy blocks contact or leave the other working face of the working faces of the outer ring and the inner ring through rotation. Through controlling the wedgy blocks to fully leave the other working face, the outer ring and the inner ring can freely rotate in a positive direction and a negative direction, thereby obtaining a bidirectional separation working state of the tristate superior clutch; through controlling the wedgy blocks to restore a common superior wedging working position, an unidirectional superior working state or a unidirectional wedging working state of the tristate superior clutch is obtained.

The invention discloses an underwater robot control system based on a mobile phone Bluetooth technology. The system comprises a processing system arranged in an underwater robot carrier, a Bluetooth device packaged in a buoy and an underwater robot control end on a mobile phone, wherein the underwater robot control end is communicated with an underwater robot through the Bluetooth device, the buoy is connected with the underwater robot through a zero-buoyancy cable to conduct data transmission, and a main control board of the processing system controls the rotating speed and the rotating direction of a propeller through the actual depth of the underwater robot and acquired through a depth sensor and the actual gesture acquired through a gesture control board to finally achieve functions of underwater suspension, depth keeping and the like. The system can well overcome the shortcoming that the underwater robot is insufficient in real time performance under the autonomy mode and poor in flexibility in the cable mode, meets the requirement for real-time communication and provides well hardware support for flexible movement of portable acquisition of underwater robot information and flexible movement of the underwater robot.

The invention discloses a charge controller of a wind turbine generator and a control method thereof, and the charge controller comprises a rectifier circuit connected with the output of the wind turbine generator and is characterized in that the output end of the rectifier circuit is connected with a battery pack through a switch K1, an unloading loop and a BOOST circuit, and the unloading loop and the BOOST circuit are further connected with a control circuit. The rotational speed of a wind turbine is determined by detecting the frequency of the output voltage of the wind turbine generator, thereby rapidly and effectively protecting the wind turbine generator. The charge controller is provided with the BOOST circuit with the novel control mode, and the start and the stop of the BOOST circuit are controlled according to the detected rotational speed value of the wind turbine generator, thereby realizing the effective charge under the low wind speed condition and preventing the wind turbine generator from dragging and stopping. The maximum utilization of wind speed can be realized by the mutual coordination of the BOOST circuit and the unloading circuit. The limited-voltage and limited-current charge of batteries can be realized and the service life of the batteries can be prolonged through the intelligent control of a single chip micro-computer.

The invention provides a hybrid power drive system. The system comprises an engine, a first motor and a second motor which are electrically connected with a battery unit, a speed variator, a first clutch, a second clutch and a transmission shaft, wherein, the engine, the speed variator, the first motor, the first clutch and the second clutch are connected with the second motor in sequence, and the transmission shaft is connected between the first clutch and the second clutch. Because the speed variator is arranged between the engine and the first motor, the problem of the matching of the rotating speed between the engine and the motor can be solved. When a whole vehicle is moved in high speed, the engine can perform better matching of the rotating speed with the first motor and / or the second motor through the speed variator, to ensure the three parts to be moved in parallel or in series, thereby the whole vehicle can still have better accelerating ability under the high speed condition.

A device comprising: a pair of opposing legs; a bridge between and connecting the pair of legs; a pair of retraction spring arms attached to the outside of each of the legs; the retraction spring arms each comprising: a guide support tab connected to each of the pair of opposing legs wherein the retraction spring arms assist in retracting a pair of brake pads, and the guide support tabs guide the retraction spring arms during movement.

The invention discloses bridge coarse aggregate active powder concrete and a preparation method thereof. The coarse aggregate active powder concrete comprises, by weight, 100 parts of cement, 20-60 parts of blending materials, 2-10 parts of interface modifying agents, 60-120 parts of fine aggregates, 40-120 parts of coarse aggregates, 10-60 parts of fibers and 15-30 parts of water. Under conventional curing processes such as natural conditions, the coarse aggregate active powder concrete has super-high compressive strength, bending tensile strength and tensile strength and bonding strength andlow contraction performance and further has high elasticity modulus, anti-fatigue performance and durable performance and excellent construction performance, dead weight and shrinkage and creep influence of a bridge can be reduced, and the span, the structural stiffness and the bearing capacity of the bridge can be remarkably improved, and the service life of the bridge is prolonged.

The invention relates to the mechanical robot grip. It comprises the motor, connection sleeve, finger bottom plate and grip device, with the motor connected to the finger bottom plate through the linking sleeve barrel, grip hinged to the finger bottom plate, motor connected to the grip through the screw rod. When the progressive motor rotates clockwise viewing from its back, it drives the clockwise rotation of the screw rod through the coupler. Due to the right rotation model of the screw rod mother screw, it can restrain the freedom of the rotation direction, with the mother screw moving downward, driving the downward movement of the grip push plate, driving the open of the fingers, and vice versa. It is simple, low in cost, small in size, and flexible.

A push back storage rack system for storing multiple loads in a single inclined cart lane. Each lane contains at least two wheeled carts, each cart being capable of receiving and storing multiple pallet loads. The carts are vertically spaced so that they can freely slide underneath each other when unloaded. Beginning with the first or lowest level cart in the system, each successively higher cart is also wider and longer than the cart immediately beneath it. The carts are positioned on at least one but potentially two pairs of rectangular tracks or tubes, each tube being capable of supporting two or four individual carts, depending on how the carts are constructed and installed on the tubes. The tubes are mounted on an incline away from a loading end of each lane so that when loads are placed on or are removed from a lane, the carts are biased toward the loading end of the lane by the force of gravity. Each tube has a single, planar upper support surface which has inside and outside edges. The wheels of each cart ride only on either the inside or outside edges of the tubes on which they are mounted, allowing more than one vertically spaced cart to occupy the same tube.

The present device provides a modular utility cart having configurable storage features which provide secure transportation for both large and small items. The basic cart construction includes a bottom platform having casters connected to the underside thereof, a top platform positioned above the bottom platform by four corner posts. The top and bottom platforms, as well as the corner posts, include various structural features which provide the modularity to the utility cart. The supports include notches and pockets that allow for removable bins to be positioned along the supports, as well as supports for shelving of various sizes. The top platform has an integrated tool rail configured to support and suspend items such as hand tools, ladder racks, bins, and additionally includes an adjustable height handle.

In a clutch control system for a vehicle having a hydraulic type clutch in the course of power transmission between an engine and a drive wheel the operational response of the clutch is enhanced and the influence of a hysteresis present in oil pressure-stroke characteristic is suppressed. When the clutch is disconnected, a control oil pressure thereof is maintained at a predetermined stand-by oil pressure (allowance compensating oil pressure) P1. At the time of connecting the clutch, the control oil pressure is increased to a predetermined connection oil pressure P2. In bringing the clutch from the connected state into the disconnected state, the control oil pressure is lowered to an oil pressure P3 being below the stand-by oil pressure P1 and being near 0, and is thereafter increased again to the stand-by oil pressure P1.

The invention provides a three-state overrunning clutch which comprises an outer circle, an inner circle, a plurality of wedge blocks positioned between the outer circle and the inner circle, and an outer holding rack and an inner holding rack positioned between the outer circle and the inner circle and holding the plurality of wedge blocks. A plurality of arc grooves are formed on the working face of the outer circle and each arc groove is matched with a working face of the corresponding wedge block and holds the working face inside the arc groove; the inner holding rack is provided with a plurality of protruding plates axially extending outwards, and each protruding plate is provided with oblique holes inclined relative to the axial direction. An axial sliding poke tray is arranged on the outer circumference of the outer circle, wherein a plurality of poke rods, which are respectively inserted into the corresponding oblique holes, are fixed on the poke tray. Through the electromagnetic driving mechanism, the poke tray slides axially on the outer circumference of the outer circle. By removing the poke tray, the wedge blocks are controlled to completely move off the working face of the inner circle, so that the outer circle and the inner circle can rotate freely in both the positive and the negative directions, thus achieving the two-way separating working state of the three-state overrunning clutch.

A disc brake device is provided with a wedge rod (20) axially moved by an actuator (4) and orthogonally arranged to a wheel axle, a wedge (5) mounted on the wedge rod (20) and having an inclined surface, a main roller (6) rolling on the inclined surface, and a link (12) rocking in accordance with a movement of the main roller (6). An intermediate portion of the link (12) and a base end of the brake arm (3) are coupled via a gap adjusting mechanism (14). The base end of the brake arm (3) is boosted, pressed, and expanded in accordance with the movement of the main roller (6), and a brake pad disposed at a rocking end of the brake arm (3) is pressed and actuated. A pair of sub-rollers capable of rolling on guide rails are disposed coaxially with the main roller (6) on both sides of the main roller (6).

The invention discloses a spring tow hook which comprises a tow hook body (14), a buffering device and a joint (2). The buffering device is composed of a spring rack (3), a spring pressing plate (4), a spring (6) and a spring central spindle (9), wherein the spring pressing plate (4) is movably mounted on the spring rack (3) and can move along the spring rack (3) in the axial direction, the spring (6) is located between the spring rack (3) and the spring pressing plate (4), the spring central spindle (9) is located in the spring (6), one end of the spring central spindle (9) is fixedly connected with the spring pressing plate (4), the other end of the spring central spindle (9) extends out of the spring rack (3) and is connected with the tow hook body (14), and the joint (2) is mounted on the spring rack (3) through a spring rack pin shaft (13). According to the spring tow hook, the reliable spring buffering measurement is used, the buffering spring is used for absorbing impact energy which is then converted to heat energy, and therefore the purpose that impact on mechanical equipment is reduced as much as possible is achieved.

The invention relates to an underground environment monitoring system and method based on a mooring unmanned aerial vehicle, and belongs to the field of underground environment monitoring. The underground environment monitoring system comprises a hand-held terminal and a PC in wireless connection with a flat intelligent remote controller, the PC and a power converter are connected with a wound rotor through cables, the wound rotor is inside provided with a driving motor and a tension sensor, and the wound rotor is connected with a mooring unmanned aerial vehicle flight monitoring platform through a cable. The underground environment monitoring method comprises starting an automatic pay-off and take-up device; starting an acquisition system of the mooring unmanned aerial vehicle flight monitoring platform; acquiring environmental parameters, image information and motion parameters, and returning the above to a ground monitor station; carrying out data processing and analysis; judging whether the parameters exceed the standard, giving a danger alarm until people evacuate, and making a return flight; and flying to sky over the parking apron and safely landing. According to the invention, the technical problem that a conventional underground environment monitoring system is low in automation degree, hard to repair, low in safety, and poor in system stability, information transmission is limited, and the working time is restricted by electric energy is solved.

A device comprising: a pair of opposing legs; a bridge between and connecting the pair of legs; a pair of retraction spring arms attached to the outside of each of the legs; the retraction spring arms each comprising: a guide support tab connected to each of the pair of opposing legs wherein the retraction spring arms assist in retracting a pair of brake pads, and the guide support tabs guide the retraction spring arms during movement.

There is provided a power plant which is capable of enhancing driving efficiency with which the power plant drives driven parts. The power plant 1 for driving the driven parts DW and DW includes a prime mover 3, and first and second generator-motors 20, 30. The first generator-motor 20 is comprised of a first stator 22, a first rotor 21 formed by magnets, and a second rotor 23 formed by soft magnetic material elements and disposed between the first stator 22 and the first rotor 21. The second generator-motor 30 is comprised of a second stator 32, a third rotor 31 formed by magnets, and a fourth rotor 33 formed by soft magnetic material elements and disposed between the second stator 32 and the third rotor 31. The first and fourth rotors 21, 33 are mechanically connected to the driven parts DW and DW, and the second and third rotors 23, 31 are mechanically connected to an output shaft 3a of the prime mover 3. The first and second stators 22, 32 are electrically connected to each other via first and second controllers 2, 41, 42.

A clothes fastening system comprising an attachment member configured for attachment to a wearer's footwear where such attachment member has a first fastener attached thereto. A fastening mechanism is attached to the wearer's clothing where such fastening mechanism has a second fastener attached thereto. The first and second fasteners are detachably attached to each other thus preventing at least a portion of the wearer's clothing from dragging against the ground while the wearer is walking.

A hydrostatic transaxle comprises: a motor casing; at least one hydraulic motor disposed in the motor casing; at least one output shaft disposed in the motor casing so as to be driven by the at least one hydraulic motor; and a pair of steerable wheel support units attached onto respective opposite ends of the motor casing. Each of the steerable wheel support units includes an axle, a steerable casing, a wheel, and a steering arm. In each of the steerable wheel support units, the axle is drivingly connected to the at least one output shaft, the steerable casing is substantially horizontally rotatable relative to the motor casing, the wheel is attached on an outer end of the axle outside of the steerable casing, and the steering arm is rotatably integrally provided on the steerable casing. The hydrostatic transaxle further comprises a pair of connection rods for connecting the steering arms of the steerable wheel support units to a common rotary member of a steering operation mechanism spaced forward or rearward from the hydrostatic transaxle.

The invention provides a method for manufacturing PCB, which shows as follow: during the preparing stage for manufacturing the circuit board, there is a surplus region on the semi-solid slices comparing to the core bands in the length and width direction, during the manufacturing stage for the inner pattern, laying the semi-solid slices and the core bands alternately into a layering body, then fixing all the semi-solid slices of the layering body at the surplus region with rivets or staples to make it into an entire body, then laying a copper foil on the top and bottom surface of the entire body, then compressing it, finally, cutting the surplus region with the connecting-pieces off.

The invention discloses a hot-melting strip pasting machine which is characterized by comprising a working table, an adjustment assembly, a conveying device, a pressing roller device, a shearing device and a hot wind device, wherein the working table comprises a rack, a first movable portal frame, a front-rear walking mechanism, a left-right walking mechanism and a second installation hanging bracket; the first movable portal frame is disposed on the rack by the front-rear walking mechanism and can be moved back and forth; the second installation hanging bracket is disposed on the first movable portal frame by the left-right walking mechanism and can be moved horizontally; the conveying device, the pressing roller device and the hot wind device are disposed on the second installation hanging bracket of the working table in a rotatable manner by the adjustment assembly; the conveying device is used to install corresponding hot-melting adhesive films and recycle corresponding release paper; the pressing roller device is used to press and paste the hot-melting adhesive films on corresponding fabrics; the shear device is disposed on the pressing roller device and used to cut off the hot-melting adhesive films; and the hot wind device is used to heat the holt-melting films.

The embodiment of the invention provides a split-screen display method and electronic equipment, and the method comprises the steps: displaying a display interface corresponding to a first task on a display screen when the electronic equipment operates the first application to execute the first task; receiving a first operation for starting a second task on a display interface corresponding to thefirst task; and in response to the first operation, starting a split-screen display mode. Compared with the prior art, the embodiment of the invention has the advantages that the split screen mode can be triggered without executing additional manual operation by a user, the technical effect of triggering the electronic equipment to enter the split screen display based on the task is realized, andthe intelligence of the electronic equipment is improved.

The invention relates to a device and method used for offshore fertilization and pesticide application through an unmanned ship and a drone, and relates to the field of cultivation in water areas through assistance of an unmanned ship. The device consists of a cultivation carrier, an unmanned ship and a drone. A material filling device and a drone recycling device are arranged on an unmanned ship body. Through the cultivation carrier, materials are applied to a cultivation region, the drone detects condition information of the cultivation carrier and the unmanned ship helps the drone to supply materials for the cultivation carrier. Thus, improvement of efficiency for applying materials to the cultivation region is achieved; by applying the unmanned ship technology to the offshore cultivation industry, risks in offshore operation of fishermen are reduced; and efficiency of offshore operation is improved.

A wind turbine is provided that has a blade encased into a substantially circular portion of a shell, the shell having an interior surface, an exterior surface, a first end, an opposite second end, and an intake opening between the first and the second end, wherein the first end is closed and wherein the shell has an exhaust opening at or near the second end, wherein wind ingested into the shell through the intake opening is forced to become a vortex having a higher speed than the ingested wind and concentrating the ingested wind substantially near the interior surface of the shell into a spiral air stream traveling toward the exhaust opening, in order to increase an amount of energy harvested by the blade from the ingested wind before the ingested wind, devoid of the amount of energy harvested, exits the shell through the exhaust opening.

The invention relates to a shoe, especially for sport or leisure, comprising an upper, a sole and a lacing device having at least one clamping strip passing through a space arranged at the level of the sole and a clamping element. The clamping element is attached, on the one hand, to a first end of the clamping strip and, on the other hand, to a holding zone placed at the rear of the shoe. The second end of the clamping strip, passing through the clamping element comprises an attachment device on the upper, allowing the fixing of the strip. Cooperation exists between the clamping strip, the clamping element and the holding zone causing tensing of the upper at the level of the instep and the articulation above the heel.

This invention provides an Ethernet exchange controller and jam controlling method, when network enters into jam, the shared memory structure used by the exchange controller is changed to "bisect memory structure" to limit the length of output quene corresponding to each connecting port, is enters into "jam" status when exceeding the length, if any source connection part asks for connection at the output queue, it enters into flow mangement, network package will not be received and output queue length will be limited, when the network gets away from jam, it will return using shared memory structure.

An inflating and separating device of body protection airbags primarily adds a hole groove in an inflating device for allowing gas to flow and connecting to a position between an inflating device and a riding object by a pulling string, and the pulling force of a separating device can be adjusted, such that if a rider has an accident and falls out from the motorcycle, or an excessively large force is produced, the inflating device and the separating device will be triggered in sequence instantaneously to achieve the effect of completing the inflation of the airbag quickly and prevent the rider from being dragged by the riding object and protect the rider's body.

A flow-path member has a flow path to supply liquid to each head main body having nozzle openings through which liquid is ejected. The flow path of the flow-path member includes a mainstream portion and a plurality of tributary portions which branch off from the mainstream portion. Each of the plurality of tributary portions includes a vertical flow path which is connected, on an outlet port side, to a manifold portion of the head main body. Furthermore, in the vertical flow path, the cross-sectional area changes in the middle thereof. In addition, in the respective vertical flow paths, positions at which the cross-sectional areas change are different from each other.