1289results about How to "Reduce swing" patented technology

The invention discloses an error-controllable industrial robot fairing movement track generation method which comprises the following steps: S1, generating an MOVEB movement instruction, describing an industrial robot movement track which comprises a track point and posture, a track point error threshold input by a user, and a chord height error threshold; S2, performing interpolation on a robot track point, namely performing interpolation on a high-order B sample curve into the track point according to the track point error and the chord height error threshold by using the high-order B sample interpolation algorithm, and respectively achieving G2 interpolation and G3 interpolation of the robot track point, so as to obtain an interpolation track which has high continuity and meets the track point error and chord height error requirements; S3, performing interpolation on the posture of the robot so as to obtain a robot posture curve with sectional G2 and continuous G3; S4, acquiring a movement track of the robot after interpolation according to the track point interpolation curve and the robot posture curve. By adopting the error-controllable industrial robot fairing movement track generation method, real-time continuous interpolation of the movement track can be achieved, calculation can be simple, efficient and precise, and vibration and abrasion of the robot can be reduced.

The invention facilitates Sleeping in sitting position by supporting and / or the body (torso) of a person in various positions. This invention combines one or more of: straps, sound barrier, light barrier, Headrest and backrest to improve the Sleeping.

The invention discloses a magnetic navigation system suitable for an automatic guided vehicle (AGV) and a navigation method. The system comprises a sensor module, a magnetic sensor signal acquisition module and a line patrol main board module, wherein a sensor array of the magnetic sensor signal acquisition module is arranged in a three-row five-column form; the magnetic sensor signal acquisition module acquires a transistor transistor logic (TTL) level signal of each sensor and encodes the level signal into a specified 16-scale protocol form; the level signal is converted into a 232 level signal and is transmitted to the line patrol main board module for analysis, and the current line patrol state of the AGV is obtained, the AGV left and right wheel differential adjustment is performed according to the line patrol state, and the AGV line patrol state and the intersection detection result are reported to an upper computer. The system is high in navigation speed and small in swing amplitude, can well control the motion track of the AGV and can be applied to various types of intersections.

The invention relates to a heavy load salvage wave compensation system of a super large floating crane, which comprises a mechanical system, a hydraulic system, a monitor system, control of a hydraulic oil cylinder, control of an accumulator and the like, wherein the mechanical system consists of a lifting drum, a plurality of sets of pulley, a steel wire rope and a large tonnage lifting hook, the hydraulic system consists of an oil cylinder, the accumulator, the hydraulic oil cylinder and a hydraulic valve, and the monitor system consists of a floating crane body displacement monitor, a floating crane ship body displacement monitor and a floating crane lifting heavy weight displacement monitor. The invention solves the problems that when the super large floating crane carries out heavy load salvage, and at the moment that a heavy weight is lifted out of water, because the heavy weight has large volume, seawater forms an eddy current to enable a floating crane ship body to be inclined and swing, and a lifting weight also swings along with the floating crane ship body and can not be controlled, solves the problems that when a large structure is lifted on the sea, waves influence the floating crane ship body to lead to difficult butting of marine platforms to ensure goods to be safely fall on a ship deck or safe offshore platform installation and allows that the ship has certain inclination to be suitable for tough working conditions of marine operation.

The invention discloses a composite three-dimensional shock isolation support of a sandwich rubber-high damping disc spring. The composite three-dimensional shock isolation support of the sandwich rubber-high damping disc spring comprises a horizontal shock isolation support, a disc spring vertical shock isolator, a guide rod, a cylindrical viscoelastic damping layer, an external cylindrical vertical connection steel plate, an internal cylindrical vertical connection steel plate, a lower connecting plate, a middle connecting plate and an upper connecting plate. The composite three-dimensional shock isolation support of the sandwich rubber-high damping disc spring isolates horizontal earthquakes through the horizontal shock isolation support, improves certain damping, and reduces vibration of a structure under the effects of the horizontal earthquakes. The disc spring vertical shock isolator isolates vertical earthquakes, the cylindrical viscoelastic damping layer increases damping of the shock isolation support under the effects of the vertical earthquakes, vertical earthquake energy transmitted to the structure by the earthquakes is consumed, and swing of the structure under the effects of the vertical earthquakes is reduced.

A portable grill and cooker which can be transported on a vehicle's trailer hitch, on a separate trailer, or used as a free-standing stationary grill. This grill can also be used to bake, griddle fry, deep fry, boil, steam, smoke, and barbeque different foods. The grill can utilize propane, wood, or charcoal to provide a heat source for cooking. It includes a storage compartment as well as wheels / casters on adjustable-height legs to permit relocation easily, and a trailer hitch adapter which permits easy hookup and raising without the user having to physically lift the grill by hand.

The present assembly provides a suspended shelving system. The shelving system includes a shelving panel supported by a plurality of hanger members. The shelving panel includes a plurality of longitudinal members constructed of wire or plastic. A plurality of cross members are arranged substantially transverse with respect to the longitudinal members and generally parallel with respect to each other. At least a portion of the longitudinal members and the cross members are bonded together at crossing points to comprise the shelving panel. A plurality of hanger members are rotatably secured to the cross members positioned at the distal ends of the shelving member so that they may be rotated between a storage position that is generally parallel to the underside surface of the shelving member for shipment and storage, and a support position that is substantially perpendicular to the upper surface of the shelf for suspending the shelf from an overhead member.

An automatic image-capturing apparatus including an image-capturing unit configured to capture an image of a subject so as to obtain captured image data; an automatic captured-image obtaining unit configured to automatically obtain the captured image data obtained by the image-capturing unit without being based on an operation of a user; an inclination detection unit configured to detect an inclination in at least one of a pan direction and a tilt direction; and a control unit configured to control the obtaining operation performed by the automatic captured-image obtaining unit on the basis of information on the inclination in the pan direction or in the tilt direction, the inclination being detected by the inclination detection unit.

The present invention is particularly efficacious when practiced as a system for transferring payloads between sideways-adjacent vessels at sea. As typically embodied, an inventive inter-locational transfer system includes: a trolley; a set of parallel cable-rails upon and along which the trolley is rollable; a pair of pulling cables, respectively connected to the two sideways-adjacent ships, for exerting pulling forces on the trolley in opposite directions along the cable-rails; at least four hoisting cables, separately and distantly attached at the bottom of the trolley and at peripheral points of the payload, for suspending a rectangular payload (e.g., ISO container with contents) from the trolley; a first computer control capability; for controlling the impelling and restraining of the trolley by the respective pulling cables; and, a second computer control capability, for controlling the lengthening and shortening of the respective hoisting cables in a coordinated manner to reduce or minimize payload pendulation.

The invention relates to a device for rapidly collecting and releasing boats, which comprises a collecting and releasing arm structure, an aligning device, a decoupler, a sling and a winch, wherein one end of the collecting and releasing arm structure is connected with a mother ship and the other end of the collecting and releasing arm structure can be extended or retracted in a suspending way to provide a force applying fulcrum for collecting and releasing the boats; the aligning device is connected at the other end of the collecting and releasing arm structure and is used to align with the lifting and the lowering positions of the boats on sea surface; the decoupler is limited on the aligning device and is used to be connected with the boats; one end of the sling penetrates through a pulley fixed on the collecting and releasing arm structure in a winding way, is connected with the decoupler and is used to transmit pulling force to the decoupler; and the winch is connected with the other end of the sling to provide pulling force for collecting and releasing the boats. The device is a collecting and releasing device with complete functions and can be used to stably and rapidly lower down the boats to sea surface from the mother ship under force-seven wind sea conditions or to collect the boats back to the mother ship from sea surface.

The invention discloses a novel decorating machine. The novel decorating machine comprises a table rack, a printing arm, a cylinder, an extension spring, an elastic table plate, a screen frame, a scraper, and a screen frame fixing device, wherein the table rack comprises a rack leg and a fixed arm fixed on the rack leg, the fixed arm is linear, the rack leg wounds the periphery of the fixed arm, one end of the printing arm is hinged to the lower portion of the fixed arm, a piston rod of the cylinder extends out of one end of a cylinder body of the cylinder to be hinged to the upper end of the fixed arm, the other end of the cylinder body of the cylinder is hinged to the middle of the printing arm and is in sliding match with the printing arm in the direction of the length of the printing arm, one end of the extension spring is connected with the middle of the fixed arm, the other end of the extension spring is connected with the printing arm through a sliding plate, the sliding plate is in sliding match with the printing arm, and the bottom of the elastic table plate is in sliding match with the rack leg. The novel decorating machine is capable of buffering the action performed by the cylinder to lift or press the printing arm, greatly reducing vibration by the aid of an elastic force produced by the elastic table plate, and improving register accuracy.

The invention discloses a stereoscopic garage. The stereoscopic garage is characterized in that four windlasses of a winch are driven to rotate by using a winch motor, and simultaneously four steel wire ropes are simultaneously wound and released, so that a lift car cannot rotate at random; a carriage is connected with a top seat of the lift car through a horizontal rotating device of the carriage, which is arranged below the top seat of the lift car; therefore, when the carriage rotates, a car carrying device arranged on a carriage base rotates together with the carriage, and the phenomenon that the car carrying device bumps a carriage pillar is avoided; when a trolley or a large vehicle for lifting or transversely moving the stereoscopic garage is started or stopped, the lift car swings due to the inertia of the lift car; and an axial flow fan of an inertia damping device of the lift car can be used for reducing the swing amplitude of the lift car. The car carrying device in the stereoscopic garage is formed by using a horizontal moving motor for driving walking wheel gears to rotate on walking racks, thus a mounting bracket and a supporting plate are driven to move horizontally; and a hydraulic jack on the mounting bracket is used for putting a car on the supporting plate on garage steps. As the center of gravity of the carriage is biased after the car is put on the supporting plate, the biased center of gravity can be adjusted by a center-of-gravity adjusting device.

A method controls an operation of an elevator system. The method receives an amplitude of a sway of an elevator rope and a velocity of the sway of the elevator rope determined during the operation of the elevator system. The method modifies a damping coefficient of a semi-active damper actuator connected to the elevator rope according to a function of the amplitude and the velocity of the sway.

A method reduces a sway of an elevator rope supporting an elevator car within an elevator system using an elevator sheave. The method controls, using a movement of the elevator sheave, a tension of the elevator rope according to a control law of the tension of the elevator rope between a first point and a second point. The first point is associated with a contact of the elevator rope with the elevator sheave. The second point is associated with a contact of the elevator rope with the elevator car or a counterweight of the elevator car. The control law is a function of one or combination of a relative position, a relative velocity and a relative acceleration between the first and the second points.

In a vehicle far side airbag device, a far side airbag is fixed to a seatback frame using stud bolts of an inflator. The far side airbag includes a bag portion at a face opposite a side face of the seatback frame. A support plate is retained in the bag portion and is fixed to the seatback frame using the stud bolts. The support plate is formed to be longer to both sides in a vehicle vertical direction than the inflator, and is engaged with the seatback frame at the vehicle upper side relative to the inflator. During inflation and expansion of the far side airbag, the support plate supports the far side airbag at both sides in the vehicle vertical direction of the inflator.

A method controls an operation of an elevator system using a control law to stabilize a state of the elevator system using a tension of an elevator rope. A derivative of a Lyapunov function along dynamics of the elevator system controlled by the control law is negative definite. The control law is a function of amplitude of a sway of the elevator rope and a velocity of the sway of the elevator rope. The method determines the amplitude of the sway of the elevator rope and the velocity of the sway of the elevator rope during the operation, and determines a magnitude of the tension of the elevator rope based on the control law, and the amplitude and the velocity of the sway of the elevator rope.

Nine vibration isolating mounts are disposed on a pedestal, and a granite plate is placed thereon. A pair of guide bases are disposed on the granite plate, and disposed thereon are a pair of posts made of CFRP for movements in a Y-direction relative to the granite plate. A beam made of CFRP is extended between the pair of posts. Further, a movement base is disposed for movement in an X-direction relative to the beam, and a laser optical unit is mounted on the movement base.

The invention discloses a floating type brake pad. The floating type brake pad comprises a back plate, a plurality of friction blocks, disc springs and clamping springs, wherein the friction blocks are arranged on the back plate, the disc springs are arranged between the friction blocks and the back plate, and the friction blocks are connected to the first back plate in a floating mode through the clamping springs. Positioning grooves are formed in the back plate, and the disc springs are arranged inside the positioning grooves. The back plate is divided into a plurality of concentric circular rings by using the circle center of a brake disc matched with the brake pad as the circle center. The circular rings are equal in radial length. The friction area of the friction block inside each circular ring is not larger than 15% of the standard average friction area compared with the standard average friction area. According to the floating type brake pad, the problem of fatigue cracks caused by instantaneous stress concentration during braking of existing disc springs is solved, meanwhile, gaps between the back plate and the friction blocks are reduced, oscillation of the friction blocks is small, meanwhile, the problem of eccentric abrasion of the friction blocks is avoided, and the brake stability is greatly improved.

The invention discloses an unmanned mowing vehicle. The unmanned mowing vehicle comprises a frame, front wheels, rear wheels, a walking motor, a steering mechanism, mowing platforms, a mowing motor, amowing platform lifting mechanism, a GPS, a controller and a battery pack, wherein the walking motor, the steering mechanism, the mowing platforms, the mowing motor, the mowing platform lifting mechanism, the GPS, the controller and the battery pack are arranged on the frame; the walking motor is used for driving the rear wheels to walk; the steering mechanism is used for controlling the front wheels to steer; the mowing platforms are used for mowing; the mowing motor is used for driving the mowing platforms; the mowing platform lifting mechanism is used for being controlled to drive the mowing platforms to move vertically; the GPS is used for positioning; the controller is used for controlling the mowing motor and the mowing platform lifting mechanism and controlling the walking motor and the steering mechanism according to positioning information of the GPS to achieve automatic navigation of the unmanned mowing vehicle; the battery pack is used for supplying power to the walking motor, the steering mechanism, the mowing platforms, the mowing motor, the mowing platform lifting mechanism, the GPS and the controller. According to the unmanned mowing vehicle, movement mechanisms ofwalking driving, steering driving, mowing platform lifting and falling, cutter rotation and the like of the unmanned mowing vehicle are all driven by a direct current motor, the control is unified, and the unmanned mowing vehicle is convenient to use and high in efficiency; in addition, the height adjustment of the mowing platforms is more convenient, the running stability of the mowing vehicle isbetter, and the mowing effect is better.

A floating structure whose range of rocking motion is reduced to a level suitable for marine resource drilling platforms, floating leisure facilities, hotels, and so forth (for example, within a range in which work such as writing and walking are possible, that is, generally within a range of 3 DEG - 5 DEG roll motion). The floating structure (1) has a floating body (2) and a plate-like surrounding wall (5) continuously surrounding in the perimetric direction a projection structure part (4) installed on the lower end of the floating body (2). The surrounding wall (5) is installed so that the area of a gap formed between the upper end or the lower end of the surrounding wall (5) and the outer peripheral surface of the projecting structure part (4) is equal to or less than 20% of the area of a gap formed between the lower end of the surrounding wall (5) and the outer peripheral surface of the projection structural part (4).

The invention discloses a measurement buoy capable of measuring the quality of water at different depths. The measurement buoy comprises a buoy body (1), wherein a buoyancy tank (2) and an instrument bin (3) are arranged in the buoy body (1); an upper supporting frame (4) is arranged on the upper portion of the buoy body (1); a fixing platform (5) is arranged on the upper supporting frame (4); a lower supporting frame (6) is arranged on the lower portion of the buoy body (1) and provided with a counterbalance (7); the buoy body (1) is further provided with a first coiling block (8) capable of rotating; a tensioning cable (9) capable of ascending or descending when the first coiling block (8) rotates is arranged on the first coiling block (8), a gravity block (10) is arranged at the lower end of the tensioning cable (9), and the tensioning cable (9) is connected with a water quality sensor (11) capable of ascending or descending along with the tensioning cable (9). The measurement buoy is simple in structure and capable of measuring the quality of water at different depths.

This invention is a motorized valve that is used to adjust refrigerant quantity of refrigerating system. Guiding element and nut are arranged at upper and lower sides of magnet inside of the holding cavity. The said guiding element has guiding hole. The said nut includes internal screw thread section and lower guiding section. The said lead screw includes intermediate external thread section, upper and lower guiding sections that protrude from upper and lower end faces of magnet. The said external and internal thread sections are cooperated. The said upper guiding section is located in the said guiding hole of guiding element. The said lower guiding section is located in the lower guiding section of the said nut. This invention extends the guiding length of lead screw. It can reduce the swing range of lead screw. This invention decreases magnet vibration and increases the abrasion resistant capability of thread section.

Provided is a press apparatus which ensures high production efficiency and has less chances of breakdown. Specifically, the press apparatus has a base placed on a floor, and a platform arranged over the base to face the base and move up and down. A lower die, on which a steel plate is to be placed, is fixed to the base. An upper die is fixed to the platform to press the plate against the lower die and turn it into an initially formed product through a downward movement of the platform, and to pressure-hold the initially formed product with the lower die. A machining die is supported on the platform to move up and down to machine the initially formed product and form a final product by moving down while pressure-holding the initially formed product.

A lens tube and a mounting base thereof comprise a lens tube for reception of a lens array and a mounting base for accommodation of an image sensor. On an outer periphery of the lens tube is formed a first conical surface, and in the mounting base is formed a concave portion. A second conical surface is formed in the concave portion for mating with the first conical surface of the lens tube. The first conical surface of the lens tube and the second conical surface of the mounting base can cooperate with each other, so as to prevent dust contamination and to make the central axis aligned with the optical axis.