52results about How to "Stop vibration" patented technology

There are provided a vibrator and an electronic device including the same, the vibrator including a housing having an internal space; a shaft included in the internal space; a vibrating part suspended in the internal space by elastic members at both ends thereof, including a magnetic field part, and having a bearing member slidably and movably installed on the shaft; and a coil generating vibrations of the vibrating part through electromagnetic interaction with the magnetic field part and provided on an outer peripheral surface of the shaft while facing the magnetic field part.

The invention discloses floating body equipment capable of preventing vibration of an enclosing and protecting structure. The equipment comprises floating bodies surrounding the enclosing and protecting structure and an excitation device capable of excite the floating bodies to vertically float; the excitation device comprises a tether which is connected with the floating bodies to prevent the floating bodies being disengaged from the surrounding and protecting structure. When the floating bodies vertically float, an air flow boundary layer of the outer wall of a tower can be destroyed, so that the cause of vortex-induced vibration is directly prevented; change of aerodynamic configuration is obtained, so that an air-dynamical coefficient C decreases (the along-wind vibration amplitude is reduced ), and the vortex-induced resonance amplitude A is also reduced; through vertical floating of the floating bodies, the upper and lower sections of nearby flow fields are disturbed and destroyed, so that the correlation between upwind air flow near the floating body is upset, accordingly the consistency between the vortex shedding frequency of air flow of the floating body and other positions is upset, and thus, the combined action of the correlation and the consistency is weakened, so that vortex-induced vibration of the tower is prevented.

The present invention concerns a cable guard for use with a compound bow, the compound bow having a handle portion and a pair of opposite bow limbs, a first and a second cable which cross one another in extending between opposite bow limbs and a bowstring, the cable guard includes: a rod having a first end and a second end, wherein the first end of the rod is attached to the handle portion of the compound bow; a housing disposed at the second end of the rod; a pair of swing arms extending opposite to each other and outwardly from the housing in the direction of the bow limbs, the pair of swing arms pivotally connected about a point near one end of the housing; a biasing device in contact with the other end of the housing and the second end of the rod; and wherein when the bowstring is drawn to a draw position, the swing arms move in the direction of the bowstring moving the housing in the direction of the handle compressing the biasing device.

A dice game machine of the present invention has: a table on which a plurality of ice roll, the table having pockets in which at least one of the plurality of dice drops; a vibration section for vibrating the table to roll the dice on the table; a player terminal, which enables a player to perform BET operation while predicting at least either of rolled numbers of the dice existing on the table after vibration of the table stops and rolled numbers of the dice that have dropped in the pockets; a rolled-number recognition section for recognizing rolled numbers of the plurality of dice that has stopped after vibration of the table stops; a controller for controlling vibration of the table and a timing at which the vibration of the table stops; accepting BET operation from the BET operating section; and controlling payout processing of a gaming value corresponding to a payment, with referring to rolled numbers of dice specified by the rolled-number recognition section.

An object is to provide a low cost gas turbine combustor. The gas turbine combustor comprises main nozzles (3) each having a cylindrical central tube (4) using an interior thereof as an oil fuel path (6) through which oil fuel flows, a cylindrical outer tube (5) disposed on an outermost periphery of the main nozzle (3), and a support tube (8) disposed between the central tube (4) and the outer tube (5), the central tube (4), the outer tube (5) and the support tube (8) each being formed independently. The support tube (8) has such an internal diameter as to form a clearance becoming an insulating air layer (9) between the support tube (8) and an outer periphery of the central tube (4), and includes a plurality of supporting portions (8c) formed on an axially upstream side and radially contacting an inner periphery of the outer tube (5), a plurality of groove portions (7a) formed along an axial direction between the supporting portions (8c), and a cylindrical portion (8b) formed on an axially downstream side and having an external diameter equal to or smaller than an external diameter of the groove portions (7a). Spaces formed by the outer tube (5) and the groove portions (7a), and a space formed by the outer tube (5) and the cylindrical portion (8b) are used as the gas fuel path in which gas fuel flows.

A vibration generator includes a coil, a vibrating body, a spring, and a shaft. The coil is arranged to generate magnetic fields. The vibrating body includes a magnet and a weight. The vibrating body is arranged to be vibrated in a thrust direction by an interaction of magnetic fields generated from the magnet and magnetic fields generated from the coil. The spring is arranged to support the vibrating body at one thrust-direction side of the vibrating body. The shaft is extended in the thrust direction through the vibrating body. The shaft is arranged to allow the vibrating body to slide along the shaft in the thrust direction.

A battery configured to be attached to a battery holder for use by a mobile robot comprising: a battery body encapsulating the battery; at least two electrical connectors protruding from the battery body; at least one fixing unit located on the battery body said fixing unit configured to fix the battery to the battery holder; at least two damping pins protruding from the battery body; and at least one battery communication component configured to transmit battery status data. A battery holder configured to hold the battery and at least one of storing, swapping and charging a battery.

A multi-roller grinder is composed of grinding cavity with a central feeder and two discharge ports at both ends, at least two grinding rollers with central ring slot relative to said feeder, grinding roller driving mechanism, bidirectional material guiding unit, and pressurizing unit of said grinding rollers.

The invention discloses a hydraulic torque converter cavitation inhibition method based on slotting. The hydraulic torque converter cavitation inhibition method based on slotting can effectively reduce the degree of cavitation and solves the problems of vibration, noise and reliability reduction caused by cavitation of a hydraulic torque converter. The hydraulic torque converter cavitation inhibition method comprises the steps that a through groove is machined in the head portion of a guide wheel vane of the hydraulic torque converter, and liquid flow flowing through the guide wheel vane is subjected to flow dividing through the through groove; and when the hydraulic torque converter is operated, the liquid flow flows from an inlet to the middle portion of the vane through the through groove to form jet flow. The functions of flow guiding and re-jet flow blocking are achieved, the passive inhibition effect of the cavitation in the hydraulic torque converter is realized, and cavitationvibration, noise and negative effects thereof are reduced.

The invention discloses a textile machinery damping device. The damping device comprises a mounting base, threaded holes are formed in the upper surface of the mounting base, and an anti-skid plate isfixedly connected to the bottom of the mounting base; a damping sleeve is fixedly connected to the middle of the upper surface of the mounting base, a side surface, far away from the mounting base, of the damping sleeve is provided with clamping grooves, pre-buried screws are connected inside the clamping grooves in a clamping mode, a fixing plate is arranged above the damping sleeve, a first fixing sleeve pipe fixedly communicates with the upper surface of the fixing plate, one end, far away from the fixing plate, of the first fixing sleeve pipe penetrates through the fixing plate and extends to the position above the fixing plate, and a supporting leg is arranged inside the first fixing sleeve pipe; and a buffer block is fixedly connected to the upper surface of the mounting base, a fixing groove matched with the supporting leg is formed in the upper surface of the buffer block, and the bottom of the supporting leg is fixedly connected with the inner bottom wall of the fixing groove. The textile machinery damping device has the advantages of being convenient to install and good in damping effect and facilitating market popularization.

The invention discloses a natural gas delivery pipeline monitoring system and a using method, and the system comprises leakage monitoring modules, a vibration monitoring module, an audio-visual monitoring module and a control terminal module; the leakage monitoring modules are arranged at two ends of a pipeline, and used for detecting the leakage point information of the pipeline; the vibration monitoring module is connected with the pipeline, and used for receiving vibration information of the pipeline; the audio-visual monitoring module is mounted on the ground around the pipeline, and usedfor receiving image information and sound around the pipeline, and making a sound; the control terminal module is connected with the leakage monitoring module, the vibration monitoring module and theaudio-visual monitoring module through electric signals, and used for monitoring the pipeline through vibration, infrasonic wave and video monitoring linkage so as to judge whether damage occurs or athird party unintentionally influences the pipeline or not; and high-frequency manual patrol is not required; human and material resources are saved, and meanwhile the situation that the pipeline is further damaged by the third party that unintentionally affects the pipeline can be avoided; and the pipeline is protected.

The invention relates to an elevator vibration reduction control method, system and device. When an elevator car runs, an acceleration signal of the elevator car in a vibration direction is acquired,the acceleration signal is converted into a current adjusting signal of a servo motor, and then the current adjusting signal is used for driving the servo motor to push a guide shoe roller on the elevator car to move in the vibration direction. Since the guide shoe roller is mounted on an elevator, rolls on fixed guide rails, and is pushed to move in the vibration direction when the elevator vibrates, the elevator car can be prevented from further moving in the vibration direction, then the vibration of the elevator car is reduced, and the running stability of the elevator is guaranteed.

The invention provides a positioning and punching mold of an automobile part. The positioning and punching mold of the automobile part comprises an upper mold cover, a lower mold base, a positioning surrounding plate and a base plate, wherein the lower mold base is arranged on the base plate, the positioning surrounding plate is arranged on the periphery of the lower mold base, a fixed cavity is formed between the positioning surrounding plate and the lower mold base, the upper mold cover is arranged right above the lower mold base, the upper mold cover comprises a side plate matched with thefixed cavity, ball grooves are formed in the outer wall of the lower mold base and the inner wall of the positioning surrounding plate, and a plurality of balls are uniformly distributed in the ball grooves. According to the positioning and punching mold of the automobile part, the vibration of materials and a mold is effectively prevented, the positioning of the positioning and punching mold is accurate, and the structure is simple.

A solenoid valve ( 30 ) is proposed here, the armature ( 28 , 27 ) of which is constructed in multiple parts, with an armature plate ( 28 ), an armature screw ( 27 ), which is guided in a slide ( 34 ). In order to avoid excessive vibrations of the armature plate (28) after the solenoid valve (30) is closed, a vibration damper (50) is arranged on the magnet armature (25). With this device, the instantaneous switching time required by the solenoid valve can be precisely maintained. This solenoid valve (30) is intended for fuel injection equipment with Common Rail.

A battery configured to be attached to a battery holder for use by a mobile robot comprising: a battery body encapsulating the battery; at least two electrical connectors protruding from the battery body; at least one fixing unit located on the battery body said fixing unit configured to fix the battery to the battery holder; at least two damping pins protruding from the battery body; and at least one battery communication component configured to transmit battery status data. A battery holder configured to hold the battery and at least one of storing, swapping and charging a battery.

Feeder channel (1) for diluting fluid, such as for diluting water, which feeder channel is in connection with the headbox (10) of a paper machine and comprises one or more reservoir-type spaces (7), such as a chamber, for receiving diluting fluid, which space comprises one or more walls (4), and that an aperture (13) is formed in the reservoir-type space (7), via which aperture the diluting fluid can be conducted into the stock flow space (9) of the headbox, and that one or more shut-off / adjustment means (5), with which the flow of diluting fluid via the aforementioned aperture (13) can be adjusted, is fitted into the feeder channel (1), and that the shutoff / adjustment means (5) is a shut-off / adjustment means that can be moved in the longitudinal direction of an aperture that is in connection with the aperture (13) formed in the wall (4) of the reservoir-type space, and that in the shutoff / adjustment means (5) that is partly or wholly inside the aperture there are one or more cavities and / or recesses (6, 14), via which the flow of diluting fluid from the reservoir-type space (7) either directly or via an intermediate piece (11) into the stock flow space (9) can be adjusted by moving the shut-off / adjustment means (5) in the aperture (13), and that the shut-off / adjustment means (5) comprises a support surface or support surfaces (6''), which can rest on the inside surface (13') of the aperture (13) for preventing vibration of the adjustment means (5) caused by the flow of the diluting fluid at least during operation of the shut-off / adjustment means.

A cordless vibratory pile driver (“vibro”) may use one or more batteries to provide the requisite power. The cordless vibro may sit in a stand that also recharges the unit while it is in the stand when the device is not in use. The replaceable batteries are mounted as part of the suppressor housing on top of the housing that contains the eccentrics. The batteries are balanced on both sides to distribute the weight evenly. A small battery powered electric hydraulic pump sits in the suppressor housing to provide oil to open and close the jaws. A digital hand held remote control sends the necessary signals to the machine to open and close the jaw and to start and stop the vibration.

The invention discloses a damping platform and an unmanned aerial vehicle. According to the damping platform disclosed by the invention, a damping assembly is mounted between a first mounting platform and a second mounting platform, so that the damping effect is achieved; the damping assembly of the damping platform comprises first valve bodies and second valve bodies, the first mounting platform is connected with the first valve bodies, the second mounting platform is connected with the second valve bodies, and the second valve bodies are hollow; and the first valve bodies are movably mounted to the second valve bodies, the first valve bodies and the second valve bodies are sealed internally to form cavities, and the first mounting platform and the second mounting platform are connected through the first valve bodies and the second valve bodies. The cavities are vacuumized, the resistance of air in the cavities generates the damping effect, and the air resistance forms a pressure opposite to the acting force transferred from the second mounting platform in direction, so that the first mounting platform is prevented from swinging and vibrating, and the stability of the first mounting platform is improved, thereby taking the damping effect on a flight control main body part mounted on the first mounting platform.

The invention discloses a steel tube tower for preventing breeze vibration. The steel tube tower comprises a steel tube tower body and various rod pieces, and is characterized in that irregular spoilers are arranged on the rod pieces and used for disturbing vortexes formed after breeze bypasses the rod pieces, and the irregular spoilers are arranged on the rod pieces of the steel tube tower. The shape, the number and the size of the spoilers are adjusted according to the wind speed and the property of a wind field to disturb or prevent the vortexes formed after transverse wind bypasses a steelpipe, so that gentle breeze vibration of the rod pieces is prevented, the steel tube tower is subjected to test application in a Xilin Gol League-Shengli 1000-kilovolt power transmission line projectfor the first time, and a satisfactory result is obtained. Compared with traditional guy wires and other treatment measures, the steel tube tower is more convenient to construct and more obvious in effect, breeze vibration is prevented from happening fundamentally, the steel tube tower can be used in being-built and built projects on a large scale, and especially for solving breeze vibration of asteel pipe tower structure which is put into operation, the steel tube tower is more convenient and faster to construct and remarkable in economic benefit.

The invention provides a stop valve installation plate and an air conditioner outdoor unit. The stop valve installation plate comprises an installation plate body and a reinforcing plate. The installation plate body is fixed to a side plate of the air conditioner outdoor unit. The reinforcing plate is fixed to a chassis of the air conditioner outdoor unit. The reinforcing plate abuts against the installation plate body. The side plate adjoins the chassis. The air conditioner outdoor unit comprises a compressor, an air return pipe, a stop valve assembly, the side plate, the chassis and the stop valve installation plate, wherein the chassis and the stop valve installation plate adjoin the side plate. Vibration, caused by pipeline vibration under driving of vibration of the compressor, of the stop valve installation plate is prevented effectively, and metal plate resonance caused by vibration of the stop valve installation plate is prevented effectively, so that noise made when the air conditioner outdoor unit operates is effectively lowered, and meanwhile abrasion and aging to parts of the air conditioner outdoor unit caused by vibration are reduced.

The invention relates to a decoring machine / vibrating machine (101..104), which comprises a first machine frame (2), a machine table (3) mounted such that it can move in relation to the first machineframe (2) for clamping a workpiece, two eccentric masses (4) driven in opposite directions and mounted on the machine table (3), as well as at least one drive motor (5) arranged on the first machine frame (2). A power or torque flow from at least one drive motor (5) to the two eccentric masses (4) is guided such that a branch and / or a junction in the power flow / torque flow or means for synchronizing the two eccentric masses (4) are provided on the first machine frame (2). In addition, the power flow / torque flow between the first machine frame (2) and the machine table (3) is guided via at least one belt (6) leading to each eccentric mass (4).

A cordless vibratory pile driver (“vibro”) may use one or more batteries to provide the requisite power. The cordless vibro may sit in a stand that also recharges the unit while it is in the stand when the device is not in use. The replaceable batteries are mounted as part of the suppressor housing on top of the housing that contains the eccentrics. The batteries are balanced on both sides to distribute the weight evenly. A small battery powered electric hydraulic pump sits in the suppressor housing to provide oil to open and close the jaws. A digital hand held remote control sends the necessary signals to the machine to open and close the jaw and to start and stop the vibration.

The invention provides a practice pad sticker which is characterized in that a drum head made of silica gel is included, the lower surface of the drum head is combined with an anti-slip pad made of PU through an adhesive layer, and the lower surface of the anti-slip pad is provided with multiple pits. According to the practice pad sticker, a silica gel surface with the elasticity close to the drum head is used for being combined with the PU anti-slip pad by coating an adhesive, after the silica gel surface is combined with the anti-slip pad in an adhesive mode, the anti-slip performance that the PU anti-slip pad, namely a polyurethane anti-slip pad, can be repeatedly attached is used, and therefore the practice pad sticker can be attached at any place. Accordingly, the practice pad sticker is attached to a desk top or any plane where the practice pad sticker can be attached, so that the function of a practice pad is achieved, and people can practice at any place. The anti-slip pad can be attached to the drum head and a cymbal of a drum to lower the volume of the drum and the cymbal, and vibration is prevented.

The invention discloses a novel anti-bird thorn used in an electric power system. The novel anti-bird thorn comprises a protective seat, a connecting shaft is rotatably connected in the protective seat, the lower end of the connecting shaft is fixedly connected with a connecting rod, and the other end of the connecting rod is fixedly connected with a wind bowl. According to the novel anti-bird thorn used for the electric power system, the wind bowl is driven to rotate through wind in upper air, the wind bowl drives the connecting shaft to rotate through the connecting rod, the connecting shaft drives a first gear to rotate, the first gear drives a second gear meshed with the surface of the first gear to rotate, the second gear drives a hammer handle and a hammer head to rotate; when the hammer head moves to a left end and contact with a metal knocking seat, the metal knocking seat slides upwards under stress and drives the supporting rod and a bird thorn bundle to move upwards; when the hammer head is separated from the metal knocking seat, the bird thorn bundle, the supporting rod and the metal knocking seat move downwards under gravity; when the bottom end of a limiting strip makes contact with the surface of the protective seat, the supporting rod is prevented from further falling, and therefore the bird thorn bundle vibrates, birds are prevented from nesting in the electric power system, and the bird repelling effect is achieved.

Provided is an anti-thrust mushroom-shaped member (10) for axially supporting a rotor shaft (58) of a motor (50). The anti-thrust mushroom-shaped member has an end surface (12) on which an anti-thrustsurface (14) is formed. The anti-thrust surface (14) cooperates with a mating surface (60) of the motor (50) in a mounted state, and a groove (18) is formed on the center of the end surface (12) in the radial direction, and the groove is radially arranged in the anti-thrust surface (14), so that the anti-thrust surface (14) is configured in a circular ring, wherein the anti-thrust surface has aninclination angle (27) on a radial direction (19) relative to an imaginary plane (25) perpendicular to a rotor shaft (58). Also included is a motor (10) into which the anti-thrust mushroom-shaped member (10) is mounted.