37results about How to "Reduce horizontal vibration" patented technology

A vehicular torsion bar suspension device, which comprises a front torsion bar spring and a rear torsion bar spring respectively installed at front and rear suspensions of the vehicle. The opposite ends of the front and rear torsion bar springs on the same side are connected mutually by a connection mechanism, and are connected with a vehicle frame through a positioning device. The connection mechanism is mounted between the front and rear torsion bar springs on the same side, so that a linkage relationship is established between the front and rear torsion bar springs. The device improves the vibration situation of the vehicle when driving the vehicle on an uneven ground, and prevents the vehicle frame and vehicle body skeleton from suffering torsional force. As a result, the usage life of the vehicle is prolonged.

The invention discloses a computer hardware fixing device. The computer hardware fixing device comprises a fixing base, a groove is formed in the lower end face of the fixing base, and a supporting plate is arranged above the fixing base. The computer hardware fixing device is ingenious in structural arrangement and reasonable in layout, a computer hardware body is placed in a mounting box, a temperature sensor is used for measuring the temperature inside the mounting box, and when the temperature of the mounting box reaches a certain value, a motor is electrified to efficiently cool the interior of the mounting box; meanwhile, the supporting plate at the bottom of the mounting box is supported on the fixing base through compression springs, and vertical vibration is effectively reduced; besides, through vertical sleeves and telescopic rods in telescopic springs, the supporting rigidity of the compression springs is effectively guaranteed, the stability of the supporting plate is improved, besides, the left side of the mounting box is fixed to a lateral plate through connecting springs, horizontal vibration can be effectively alleviated, and when the mounting box needs to be dismantled, the mounting box is conveniently dismantled vertically through pulleys at the bottom and a sliding plate arranged at the right end of the supporting plate.

The invention discloses a method for centering a roundness measuring frame of a vertical shaft umbrella type hydro-generator rotor, and the method comprises the steps: measuring a lower guide bearinginstallation center during turning, and determining the offset distance of the rotation center of a lower guide bearing in a certain direction relative to the lower guide bearing installation center;measuring and calculating the offset distance of an upper flange of the generator rotor relative to a lower flange of the generator rotor in a certain direction; superposing the obtained results to obtain the offset distance offset X of the upper flange of the generator rotor relative to the rotation center of the lower guide bearing in one direction M during operation; and finally, by taking thecenter of the flange on the generator rotor as a reference, when the rotor roundness measurement frame is mounted, moving X towards the -M direction to complete reference adjustment of the rotor roundness measurement frame. According to the invention, the excircle of a rotor magnetic pole in the operation of a hydro-generator is consistent with the actual rotation center of the hydro-generator, the uneven air gap between the stator and the rotor and unbalanced magnetic pull are reduced, the horizontal vibration of the generator stator is reduced, and the safe and stable operation after unit repair is ensured.

The invention belongs to the technical field of composite plate rolling and forming and particularly relates to a hydraulic screw-down corrugated roller rolling mill with special-shaped supporting rollers. The hydraulic screw-down corrugated roller rolling mill comprises a mechanical part and a hydraulic part. The mechanical part comprises the special-shaped supporting rollers, a special-shaped supporting roller balancing cylinder, a screw-down oil cylinder, working rollers, a frame and the like. The hydraulic part comprises a transmission side screw-down system, an operation side screw-down system, an upper special-shaped supporting roller balancing system, a self-adaptive lining plate system and an upper working roller balancing system. According to the hydraulic screw-down corrugated roller rolling mill, through the use of the special-shaped supporting rollers, the bending phenomenon of the working rollers under the working condition of large rolling force is avoided, and the service life of the working rollers is prolonged; and through the use of the self-adaptive lining plate system, the stability of the rolling mill is improved, the horizontal vibration of supporting roller bearing seats and working roller bearing seats in the frame is reduced, and the yield of composite plates is increased.

A laundry processing apparatus according to the present invention comprises: a cabinet; a tub, arranged in the interior of the cabinet, for storing laundry water; longitudinal dampers connecting the cabinet and tub and supporting the tub as same hangs from the cabinet; upper transverse dampers, connecting the upper part of the tub and cabinet, for reducing the horizontal vibration for the tub; and lower transverse dampers, connecting the lower part of the tub and cabinet, for reducing the horizontal vibration for the tub. The laundry processing apparatus according to the present invention allows the transverse dampers coupled structures, and when vibration occurs, the transverse dampers dampen the horizontal vibration and mitigates the vertical vibration through relative motion.

The invention discloses a robot device with a self-balancing structure. The robot device comprises a bottom plate, a supporting frame, spherical motors, a trunk, arms and clamping arms, the supporting frame is installed at the center of the upper end of the bottom plate, the trunk, the arms and the clamping arms are connected through the spherical motors, the interior of the bottom plate is of a hollow structure, and a balancing weight is movably embedded in the bottom plate. The spherical motors are arranged to be connected with all the assemblies, so that a robot can adjust the inclination posture at any angle so as to facilitate interaction of various sensors and mechanical arms of the robot. By arranging a conductive block, a spring, a magnet and the balancing weight, when the robot loses balance and inclines towards a certain direction, a pulley corresponding to the robot bears large pressure, and the conductive block is electrified when the spring is compressed, so that the magnet at the corresponding position generates repulsive force on the balancing weight, the balancing weight moves to the position opposite to the inclination direction of the robot, the gravity center of the robot moves to the center, and therefore the robot is kept balanced.

The invention discloses an aseismic structure between a bridge pier and a bridge plate. The aseismic structure comprises a cross beam disposed on the top of the bridge pier and the bridge plate located above the cross beam. Convex blocks are arranged on the lower portion of the bridge plate, and concave pits corresponding to the convex blocks are formed in the upper portion of the cross beam. Eachconcave pit is internally provided with left and right lifting faces, wherein the lifting faces are used for lifting the convex blocks to convert kinetic energy into gravitational potential energy when the convex blocks move laterally; each convex block is located in the corresponding concave pit. According to the aseismic structure between the bridge pier and the bridge plate, the energy for horizontal vibration can be effectively converted and dissipated to avoid the situation that the relative displacement between the upper bridge plate and the lower cross beam is too large due to horizontal vibration, and therefore the bridge structure is prevented from being damaged.

The invention discloses a swinging self-resetting damper and a combined supporting type mounting method thereof. The swinging self-resetting damper comprises a vertical cylinder, a steel plate, a butterfly spring, a spring protection cylinder, a horizontal partition plate, a C-shaped damper, a horizontal cross beam, a high-strength pull rod and a fastener. The horizontal partition plate is arranged in the vertical cylinder, and a cover plate is arranged at the upper part of the vertical cylinder; the steel plate is arranged outside the vertical cylinder; one end of the C-shaped damper is connected with the side wall of the steel plate, and the other end of the C-shaped damper is connected with an end plate at the upper portion of the horizontal cross beam; the spring protection cylinder isfixed at the bottom of an end plate at the lower portion of the horizontal cross beam; one end of the high-strength pull rod penetrates through the horizontal partition plate and is fixedly clamped to the top of the horizontal partition plate; the other end of the high-strength pull rod penetrates through the horizontal cross beam and is arranged in the spring protection cylinder; the butterfly spring is arranged at the end, in the spring protection cylinder, of the high-strength pull rod in a sleeving mode and fixed through the fastener; and the vertical cylinder is installed at the bottom of the cross beam. The damper can achieve the energy consumption function through self-swinging, and has the self-resetting capability.

A laundry processing apparatus according to the present invention comprises: a cabinet; a tub, arranged in the interior of the cabinet, for storing laundry water; longitudinal dampers connecting the cabinet and tub and supported on supporting ends on the hub, and supporting the tub as same hangs from the cabinet; pivot supporting parts arranged on the top parts of the cabinet and from which the longitudinal dampers are hung and supported; upper guide pins fixed to the pivot supporting parts and extending vertically; upper transverse dampers, connecting the upper guide pins and tub and vertically movable along the upper guide pins, for reducing the horizontal vibration for the tub. The laundry processing apparatus according to the present invention has the effect of reducing the horizontal vibration of the tub by means of the transverse dampers connecting the pivot supporting parts and tub.

The invention relates to the field of building shock resistance, and discloses a building indoor damping device, system and a damping method. The building indoor damping device is characterized in that a plurality of rod bodies are fixedly connected with a base, first springs are arranged on the rod bodies, upper sliding plates are fixedly connected with the first springs and are in sliding connection with the rod bodies, and a sliding base is in sliding connection with the multiple upper sliding plates. Horizontal vibration is reduced through movement of the upper sliding plates relative to the sliding base, and vibration in the vertical direction is absorbed through cooperation of the first springs and the upper sliding plates; first ball joints and second ball joints are rotationally connected with the base and the upper sliding plates correspondingly, and supporting cylinders are fixedly connected with the first ball joints, so that the supporting cylinders can roll relative to the base, sliding rods roll relative to the sliding base and slide in the supporting cylinders, and the sliding rods rotate and slides along with the sliding base when the sliding base moves horizontally; vibration absorption and resetting are conducted through built-in damping springs, and a plurality of dampers are arranged on one sides of a plurality of bearing rods correspondingly, so that the damping effect is enhanced to protect a building.

The invention provides a vibration damping system for an offshore wind turbine generator and an assembling method of the vibration damping system. The vibration damping system comprises a damper, a mass water tank, a sliding rail and a connecting plate II, wherein the sliding rail and the connecting plate II are arranged on a cabin bottom plate of wind turbine generator. The vibration damping system has multiple energy consumption mechanisms. The mass water tank can reciprocate along the direction of the sliding rail. In the sliding process of a middle sliding plate, the damper absorbs and consumes energy input into the system through friction of a friction pair and metal phase change of shape memory alloy, and thus the energy dissipation rate is effectively improved. The damper provides enough rigidity for the system, so that the horizontal vibration of the unit is effectively reduced, the motion amplitude of the mass water tank is reduced, and the occupied space of the system in a cabin is reduced. The vibration damping system can restore to an initial position under the restoring force effect of a horizontal shape memory alloy inhaul cable, and a stiffness system and a damping system in a traditional TMD are combined into a whole.

The invention discloses a damping structure and a damping method for a wave-permeable breakwater. The structure comprises three grooves in a row formed in the top of a wave baffle plate of a breakwater; the left groove, the right groove and the intermediate groove communicate with one another through transverse hole channels; a hydraulic system and a telescopic rod which is controlled by the hydraulic system and vertically and upwards extends out of the groove are mounted at the bottom of each of the left groove and the right groove; cushion blocks for jacking the telescopic rods are arrangedon the side walls, opposite to the hole channels, of the left groove and the right groove; a pressing machine is mounted in the intermediate groove; pressing rods on the left side and the right side of the pressing machine respectively penetrate through the corresponding hole channels to be opposite to the telescopic rods in the left groove and the right groove; and more than two counterweight pieces are placed between the left groove and the right groove in the top of the wave baffle plate. The damping structure disclosed by the invention is simple in structure, and is convenient and quick toconstruct; based on the principle of a dynamic vibration absorber, the stability of a structure of the wave-permeable breakwater can be remarkably improved, and the structure of the wave-permeable breakwater can be prevented from being damaged because of vibration; and the cost is low, but the damping effect is remarkable.

The invention provides a mounting structure for a power unit of a utility vehicle. The mounting structure includes a pair of left and right front support portions supporting a front end of the power unit, and a rear support portion supporting a rear end of the power unit. The front support portions and the rear support portion are disposed to cause a centroid of a triangle connecting the front support portions and the rear support portion to agree with a centroid of the power unit in a planar view of the power unit.

The invention discloses an assembly type hoisting method and a hoisting rod structure applied to exhaust fan supporting. The hoisting method comprises the steps of route and trend calculation, equipment type selection, on-site drilling, on-site installation of a structure switching system, installation of the hoisting rod structure, installation of an exhaust fan support structure, fixation of the hoisting rod structure, fixation of an exhaust fan and vibration reduction soft connection. According to the assembly type hoisting method and the hoisting rod structure applied to exhaust fan supporting provided by the invention, after on-site drilling, the whole exhaust fan support structure can be rapidly installed on a main body concrete beam or a floor slab, pre-burying and welding are not needed, and installation of the exhaust fan support structure is rapidly completed, so that the installation steps are simplified, the construction efficiency is improved, the construction period is shortened, and excessive energy and time do not need to be consumed.

The invention discloses an energy consumption vibration damping device for a large generator, which belongs to the technical field of vibration damping of steam turbine generator sets. The energy consumption damping device comprises a combination of several damping boxes (2) arranged on the generator stator frame (1), and the vibration damping box (2) is arranged on the generator stator frame (1) upper part. The key point of the design is to design the mass of the counterweight in the mass box according to the vibration frequency of the generator stator frame, so that the natural frequency of the mass box in the vibration-absorbing box in the vertical and horizontal directions is equal to the vibration frequency of the generator stator frame. The invention can effectively reduce the vibration of the stator frame of the generator. The device has simple structure and convenient operation, and can meet the needs of industrial production.

The invention belongs to the technical field of mining equipment, and particularly relates to a blocking seat for a cone crusher. The structure is simple, and operation is reliable. Comprising a large nut for fixing the cone crusher, a stop block, a vertical damping unit, a horizontal damping pad, a horizontal damping pad screw, a stop seat and a stop seat screw, the fixing devices of the cone crusher are divided into four groups, namely the first fixing device, the second fixing device, the third fixing device and the fourth fixing device, and the four fixing devices are evenly distributed on the periphery of the cone crusher in the circumferential direction and used for fixing the cone crusher.

The invention provides a hydroelectric generation guide wall structure and a guide wall dismantling method. The hydroelectric generation guide wall structure comprises guide walls and an electricity generation dam. The guide walls are arranged on the two side portions of the electricity generation dam. Each guide wall comprises an upstream guide wall body, a downstream guide wall body and water guide openings, wherein the upstream guide wall body and the downstream guide wall body are located on the two side portions of the electricity generation dam correspondingly. The water guide openings are arranged in the upstream guide wall bodies or the downstream guide wall bodies. According to the hydroelectric generation guide wall structure, the structure that the water guiding openings are formed in the guide walls is adopted, so that the upstream water flow velocity and the flow direction can be optimized, the water flow velocity is increased, vortexes are reduced, the electricity production can be increased, and vibration of a generator can be lowered.

The invention belongs to the technical field of hydraulic machinery, and particularly relates to a water turbine runner chamber of a light bulb tubular unit. The runner chamber comprises a barrel-shaped body, wherein the barrel-shaped body is equally divided into an upper semi-barrel-shaped sectioning runner chamber and a lower semi-barrel-shaped sectioning runner chamber in the vertical direction; the upper sectioning runner chamber and the lower sectioning runner chamber are connected through a flange; the upper sectioning runner chamber is equally divided into a left sectioning runner chamber and a right sectioning runner chamber in the axial direction; and the left sectioning runner chamber and the right sectioning runner chamber are connected through a flange. The runner chamber reduces vibration of a unit operation working condition and improves structural rigidity, so that structural reliability of the unit is high, cracks and water leakage problems are reduced, and the unit can be effectively guaranteed to safely and stably operate; a longitudinal reinforcing rib does not to specially arrange to improve the structural strength, so that material dose is reduced and a material utilization rate is increased; and moreover, the runner chamber is convenient and flexible to mount, and can realize fine regulation on a runner chamber gap during mounting.