390results about How to "Small range of motion" patented technology

A sheet feeder device is provided with a pick-up roller driving section which is operative to position the pick-up roller into a retracted position spaced a predetermined distance apart from a stack of document sheets on a document tray before and after the operation for feeding the series of document sheets, into a sheet feed position in which the pick-up roller abuts against the stack of document sheets for feeding the document sheets at an occasion of feeding of each of the document sheets in the operation for feeding the series of document sheets, and into the standby position above and close to the height of a stack of a maximum load number of document sheets carried on the document tray during a period from a point in time just after feeding of one sheet to a point in time just before feeding of a succeeding sheet.

A method and apparatus for tracking coarse and fine motions associated with an electronic input device is disclosed. The electronic input device can have both an inertial sensor and a touch sensor. The method includes receiving inputs from an inertial sensor and a touch sensor, and dynamically adjusting a velocity estimate of the electronic input device based on weighting or predetermined thresholds of the inputs to maximize a tracking range of the input device.

A gravity type internal solitary wave maker with a rotary blind door comprises a blind door and a linkage control mechanism, wherein the blind door comprises a plurality of long and thin stainless steel vanes; partition doors formed by all the vanes are arranged in an overlap mode; the overlap parts have good tightness when the partition doors are closed; the linkage control mechanism comprises link rod sliders, a slide guide, a cylinder and a steam pump; each stainless steel vane is riveted with upper and lower axes; all the upper axes are connected one ends of the link rod sliders corresponding to the upper axes; all the link rod sliders rotate around the corresponding upper axes on the vanes; the other ends of all the link rod sliders are connected with a cylinder piston rod; the link rod sliders reciprocate on the slide guide; a cylinder piston drives the link rod sliders to move to drive the upper axes on the vanes to simultaneously rotate 90 degrees while driving the piston rod to reciprocate, thus realizing synchronous opening and closing of the blind door. The movement amplitude of the mechanism generating the internal solitary waves through the interface density difference is greatly reduced, the quality of the made waves is effectively improved and the mechanical device has concise overall structure and is convenient to operate.

The invention provides an automatic shoulder joint rehabilitation training device which comprises a base, a seat, a fork-shaped or U-shaped cantilever, a square stand column and a shoulder joint rehabilitation exercise mechanism. The height of the fork-shaped or U-shaped cantilever is adjustable, when the rehabilitation exercise mechanism actively moves from one side of an upper arm of a patient to the other side, gear and belt transmission is adopted for passive movement, when the upper arm on one side of the patient swings up and down, the upper arms on the two sides of the patient can oppositely swing up and down through gear and belt transmission, when the upper arm on one side of the patient swings leftwards and rightwards, the upper arms on the two sides of the patient can oppositely swing leftwards and rightwards through gear and belt transmission, an external power source is not needed to provide power, and rehabilitation exercise of the upper arm on one side of the patient can be safer and more reliable.

The invention provides a detergent dispensing device and a washing machine. The detergent dispensing device comprises a detergent box component, a dispenser box component and a pumping component. The detergent box component is internally provided with a water flow channel and a mixing chamber. The water flow channel is provided with a water inlet and an automatic dispensing and flushing hole, and the mixing chamber is provided with a flushing inlet communicated with the automatic dispensing and flushing hole and a common outlet communicated with an inner barrel of the washing machine. The dispenser box component is mounted on the detergent box component and internally forms a storage chamber, and the storage chamber is provided with a liquid pumping outlet. A delivery inlet of the pumping component is communicated with the liquid pumping outlet, and a delivery outlet of the pumping component is communicated with the mixing chamber and used for feeding dispensed detergent in the storage chamber into the mixing chamber. The detergent dispensing device delivers water flow and dispensed detergent into the mixing chamber separately and independently so as to avoid the detergent entering a water inlet pipe, so that the condition that the detergent causes pollution to the domestic water source of households is avoided during backflow.

The invention provides a semi-submersible type floating fan base and a floating fan. The floating fan base comprises at least three stand columns, a stand column connecting structure and a supporting stand column, wherein the stand column connecting structure is connected with the lower ends of the stand columns to integrate the stand columns and the stand column connecting structure into a whole; the supporting stand column is arranged in the center of the floating fan base and used for supporting a tower, a cabin, blades and a wind generating system of the fan; and the cross sectional area of each stand column gradually grows large from a preset position underwater to top. The floating fan comprises the semi-submersible type floating fan base, the tower, the cabin, the wind generating system and the blades, wherein the tower is mounted on the supporting stand column of the semi-submersible type floating fan base; the cabin is mounted on the top of the tower; and the wind generating system and the blades are mounted at the front end of the cabin. According to the semi-submersible type floating fan base, the structure and the movement performance of the floating fan are improved, and production cost and installation cost are reduced.

The invention discloses a floating fan base with flare type tension legs, a marine wind-driven generator and a construction method. The floating fan base comprises a top supporting platform, a bottom supporting structure, at least three hollow stand columns and a ballast regulating system, wherein the top supporting platform is used for supporting a pylon, blades and a wind-driven generator set; the bottom supporting structure is connected with multiple tension legs; the top supporting platform is connected with the bottom supporting structure via the hollow stand columns, the hollow stand columns are arranged around the vertical center line of the floating fan base, and each stand column inclines outwards from a lower end to an upper end relative to the vertical center line of the floating fan base; the ballast regulating system is arranged in the stand columns and/or the bottom supporting structure. The marine wind-driven generator of the base with the structure has excellent movement performance, integral wet towing can be performed, and the floating fan base and the marine wind-driven generator are convenient to manufacture, assemble and mount.

The invention discloses an abysmal sea communication relay buoy which comprises a shell body. A wall-collision device and an antenna are symmetrically arranged at one end of the shell body and a cable guide tube is connected with the other end of the shell body. A conductance temperature depth (CTD) sensor, an acoustic transponder main machine, a pressure resistant tank and an acoustic transponder transducer are arranged sequentially in the shell body from top to bottom. Upper shake-reducing boards are symmetrically arranged at the periphery of the middle portion of the shell body. Lower shake-reducing boards are further symmetrically arranged at the periphery of the bilge portion of the shell body. According to the abysmal sea communication relay buoy, a shell is designed in a water-drop-shaped solid of revolution with the size gradually increased from top to bottom, devices with large weight are arranged at the bottom of the shell, so that in serious sea environment, the abysmal sea communication relay buoy is high in moving stability, capable of maintaining an efficient and long working state, compact in structure and convenient to process. The cable guide tube is arranged at the bottom of the shell body, a cable used for connection can be arranged in the cable guide tube, and therefore the abysmal sea communication relay buoy is rapid and convenient to arrange and recycle and high in work efficiency.

The invention discloses a hybrid deep water mooring system which comprises a mooring cable, an anchor, a plurality of mass blocks and a floater, wherein the mooring cable is located at the tail end of the mooring cable, the plurality of mass blocks are close to the anchor and are sequentially connected on the mooring cable, and a floater is connected to the top end of the mooring cable; one end of the mooring cable close to the anchor is tangent with the sea bottom through the plurality of mass blocks, and the component of the extension of the mooring cable in a vertical direction is completely eliminated by the gravities of the mass blocks; when the extension is reduced, the seabed can provide a supporting force for the mass blocks so as to relieve the extension of the cable.

The invention relates to an oil charging and semi-linkage-point self-learning method of a double-clutch automatic transmission. After an oil charging control module receives an oil charging command, the oil charging control module receives a present oil temperature detected by a sensor, and divides the oil charging pressure of a clutch into set phases according to the present oil temperature; and then, the oil charging control of the clutch is finished by an oil pressure step ascending mode. The method adopts an interpolation segmented ascending step oil charging method to reduce the clutch pressure impact problem and to prolong the service life of a hydraulic actuation unit; as the oil charging pressure is equally divided, the moving amplitude of an electromagnetic valve is relatively lower, the blockage is not easy to generate, the service life is prolonged, and the fault generation frequency is reduced; and meanwhile, the method is higher in response speed and precision.

The invention relates to a portable mouse, in particular to a finger mouse taking on the finger, based on short-range wireless communication technology. The invention is characterized in that a signal processing module, an output interface module and a power source module are all provided in the ring frame which can be worn on a finger; the touching module arranged on one side of the ring frame is connected with the signal processing module which sends the signal of mouse according to short-range wireless communication protocol. The technical effect is that user's arms and even the whole body can get released for operating by moving fingers only. The invention has the advantages of small movement, private operation and precise control.

The invention provides a floating type offshore wind turbine base and a positioning system of the floating type offshore wind turbine base. The positioning system comprises at least three catenaries, wherein one end of each catenary is respectively connected with a wind turbine base, another end of each catenary is respectively connected with seabed, so that the force of the wind turbine base can be balanced; and the positioning system further comprises a tensioning wire, wherein the tensioning wire extends to the seabed so as to be connected with the seabed along the direction which is in parallel with the lengthways centre line of the wind turbine base from the bottom of the wind turbine base. The floating type offshore wind turbine base with the positioning system structure is reliable and simple and low in cost, so that the running amplitude of the whole floating type offshore wind turbine base can be effectively reduced.

The invention discloses a self-adaption type deepwater mooring system which comprises a hanging buoy, a weight block, a mooring buoy, an anchor, a pile foundation, an upper tensioning cable, a connecting cable, a lower tensioning cable and a tension tendon, wherein the upper tensioning cable is used for connecting the hanging buoy with the weight block; the connecting cable is used for connecting the weight block with the mooring buoy; the lower tensioning cable is used for connecting the mooring buoy with the anchor; and the tension tendon is used for connecting the mooring buoy with the pile foundation. The self-adaption type deepwater mooring system has the advantages of high horizontal mooring rigidity, high vertical mooring rigidity and uniform tension distribution of a cable.

The invention provides a safety belt retractor and a safety belt device using the safety belt retractor, which can effectually prevent end-locking caused by engaging claws of a vehicle sensor, and can form a structure preventing the end-locking with a smaller and compacter configuration. When pulling out the safety belt, an eccentric gear (14) of ELR-ALR switching mechanism (25) decelerates in a retracting direction of the safety belt and rotates eccentrically. At this moment, a third rod operating cam (18) provided on the eccentric gear (14) integrally rotates along with the eccentric gear (14). As an end-locking preventing arm (43) of an end-locking preventing rod (38) is located an end-locking preventing release location represented by real lines, the third rod operating cam (18) abutsagainst and presses a locking release rod (41) while completely or approximately completely retracting the safety belt (4) so that the end-locking preventing rod (38) rotates to set the end-locking preventing arm (43) on the end-locking preventing location represented by double dot dash lines. Therefore, the end-locking caused by the vehicle sensor (27) can be prevented.

The invention discloses an auxiliary device for installation of a steel structure. The auxiliary device comprises a fixing frame, the fixing frame is of the U-shaped structure, bolts are correspondingly and rotatably connected to the two sides of the fixing frame in a penetrating mode, fixing plates are arranged on the sides, close to the inner side of the fixing frame, of the bolts, first connecting plates are arranged at the upper ends of the bolts, the first connecting plates are fixedly connected with the fixing frame, rotating shafts are arranged on the first connecting plates in a penetrating mode, and are connected with second connecting plates, the other ends of the second connecting plates are provided with guide rollers, and two second connecting plates are locked with each otherby connecting a fixing rod. According to the auxiliary device, when the steel structure is butted, the steel structure lifted by a crane can absorbs the auxiliary device by a strong magnet, then theauxiliary device is pulled to the position of the steel structure fixed by the fixing frame by a pull rod, abutting is conducted, the dangerous operation of dragging the steel structure in the artificial high attitude is avoided, the steel structure cannot swing during connecting, and the connection is fast and easy.

The invention belongs to the related technical field of floating offshore wind power generators, and discloses a semi-submersible wind power generator platform with a vibration reduction and isolationfunction. The semi-submersible wind power generator platform comprises a supporting structure, a vibration reduction and damping assembly and a spherical hinge, wherein the supporting structure is ofan upper layer and a lower layer frame structure, and the upper layer of the supporting structure is connected with a generator assembly through the spherical hinge; the vibration reduction and damping assembly is connected with the generator assembly and the supporting structure, and is used for reducing vibration suffered by the generator assembly; the vibration reduction and damping assembly comprises a plurality of dampers and a plurality of springs, wherein the dampers are uniformly distributed around the generator assembly; and one ends of the dampers are connected to the supporting structure, and the other ends of the dampers are connected to the generator assembly through the springs. According to the semi-submersible wind power generator platform, the motion amplitude of an offshore wind power generator is can obviously reduced, so that the stability of the whole generator platform is increased, and a safe and reliable platform supporting infrastructure is provided for high-power floating offshore wind power generation equipment.

The invention belongs to the technical field of tamping apparatuses, in particular to a tamping apparatus for road engineering. Aiming to solve problems that local cavities in the road surface, uneventamping, a lot of dust during work and inconvenient movement are likely to occur, the invention proposes the following scheme: the tamping apparatus comprises a bottom plate and a mounting rack; theouter walls on both sides of the top end of the bottom plate are fixed by bolts with vertically arranged positioning posts; the outer wall of one side of the top end of the bottom plate is fixed witha vibration motor by bolts; the side walls of the two positioning posts are sleeved with connecting sleeves; and the two connecting sleeves are respectively fixed by bolts at intermediate positions onthe outer walls of the two sides of the mounting rack; and shock absorbing rods are hinged at positions, close to four corner portions, of the outer wall of the two sides of the mounting rack. The tamping apparatus of the invention can realize graded tamping, improve the tamping effect, make the tamping more uniform, avoid the local cavity phenomenon, collect dust, reduce the amount of dust in the working process and improve the working environment.