747results about How to "Achieve vibration" patented technology

The invention discloses an arm support state control system, which comprises a detection device (1), a storage device (2), a control device (3) and an actuating device (4), wherein the detection device (1) is used for detecting the position state and vibration state of an arm support (8) of concrete pumping equipment to obtain a position state signal and a vibration signal; the storage device (2) is used for storing the vibration signal to obtain the periodical vibration signal of the arm support (8); the control device (3) is used for receiving the position state signal, the vibration signal and the periodical vibration signal and obtaining a control instruction according to a preset arm support vibration range, a preset advanced regulation time and a preset control policy; and the actuating device (4) is used for changing the state according to the control instruction and controlling the arm support (8) to act the preset arm support vibration range. The arm support state control system provided by the invention can avoid control error caused by time delay in the detection process of the detection device and the actuating process of the actuating device, absorb vibration in time and improve the operation convenience of the arm support. The invention also discloses concrete pumping equipment.

The invention discloses a vibration screening machine. The vibration screening machine comprises a base, a hopper is connected to the top of the base through a vertical rod, a mounting frame is arranged above the hopper, and the inner wall of the mounting frame is connected with a screen and rotationally connected with a rotating shaft. The vibration screening machine is simple in structure, a motor drives a rotating plate to rotate, the rotating plate drives a swinging rod to swing through a second fixing pin, then the swinging rod drives a sliding plate to move left and right through a firstfixing pin, the sliding plate drives the mounting frame and the screen to move left and right through supporting rods so that materials on the screen can shake, the screening efficiency is improved accordingly, idler wheels make contact with arc blocks intermittently when the sliding plate moves so that vertical vibration of the sliding plate can be achieved, vibration of the mounting frame is achieved accordingly, and the screening efficiency is further improved; meanwhile, when the mounting frame moves, a gear and a rack are engaged, stirring rods are driven by the rotating shaft to rotate,the materials can not only be spread but also be heated for moisture removal, and by means of springs, the effect that the gear is engaged with the rack all the time when the mounting frame is vibrated up and down can be ensured.

The invention discloses a high-efficiency sand screening device with a conveying frame, which comprises a conveying frame, a sand screening frame and a base arranged from top to bottom; Lifting rollers are provided; the conveying frame is connected to the base through a bracket, a feeding frame is embedded on the top plate of the conveying frame, and a breaking hammer is arranged in the feeding frame; U-shaped Guide rails, a hollow movable block is arranged between the U-shaped guide rails on both sides, and a left and right reciprocating mechanism is arranged on the inner side of the movable block to drive it to move; High drive mechanism. The sand screening device of the present invention can effectively solve the problems of sand agglomeration and concentrated accumulation, and improve the sand screening efficiency; meanwhile, the setting of multi-directional vibration can effectively improve the sand screening effect.

The invention discloses an efficient harmless treatment device for medical waste. The efficient harmless treatment device comprises a shell; a feeding hopper is arranged at the top of the shell; an arc-shaped groove is formed in the bottom of the feeding hopper; a rotating roller is arranged at the circle center position of the arc-shaped groove; scraping plates are arranged on the rotating roller; supporting plates are arranged in the arc-shaped groove in bilateral symmetry; the top ends of the supporting plates are hinged to the left inner wall and the right inner wall of the arc-shaped groove; the lower sides of the supporting plates are supported on the inner wall of the arc-shaped groove through a plurality of compression springs; the supporting plates are connected to the scraping plates on the two sides of the rotating roller in an abutting mode to seal the feeding hopper; a pair of crushing rollers are arranged at the position, corresponding to the position below the feeding hopper, in the shell; crushing teeth are uniformly arranged on the crushing rollers; and a screen is arranged at the position, corresponding to the position below the crushing rollers, in the shell andis obliquely arranged in a downward sloping mode. The efficient harmless treatment device for the medical waste has the advantages that the structure set is ingenious, the layout is reasonable, harmless treatment of animals can be realized, the discharging effect is good, and the efficiency is high.

The invention provides a distributed type fiber sensing device based on signal reusing perception and demodulation, comprising a laser, a first fiber coupler, a second fiber coupler, a light pulse modulator, a fiber annular device, an optical interface, a balance photoelectric detector, a low noise amplifier, a power divider, a first filter, a second filter, a frequency synthesizer, a mixer, a lowpass filter, a data collecting and processing module, and a computer. The feature that rayleigh scattering signals and Brillouin scattering signals can be generated at the same time is taken into consideration, and by means of the balance photoelectric detector, the rayleigh scattering signals and Brillouin scattering signals of the detection light pulse, generated in the detected fiber are simultaneously converted into radiofrequency signals of the corresponding frequency or frequency range. The rayleigh scattering signals and the Brillouin scattering signals are separated by means of the power divider and a band pass filter. The separated rayleigh scattering signals and the Brillouin scattering signals are accessed to the data collecting and processing module. The attenuation, vibration, and monitoring and displaying of the temperature and strain information of the fiber can be realized.

The invention provides a novel self-chip-removal machine tool. The cutting efficiency is effectively improved through vibrating drilling, and the novel self-chip-removal machine tool is smooth in chip removal and high in chip removal speed. A guide rod is arranged on the machine frame. An upper supporting plate is connected to the periphery of the guide rod in a vertical sliding and sleeving mode. The two ends of each spring are fixedly connected to the upper supporting plate and a machine frame respectively. A first drive device is arranged on the machine frame. A cam mechanism comprises a cam and a driven rod. The cam is connected to the periphery of an output shaft of the first drive device in a sleeving mode and is driven by the first drive device to rotate. One end of the driven rod is arranged on the upper supporting plate, and the other end of the driven rod abuts against the cam. A second drive device is arranged on the upper supporting plate and can drive a lower supporting plate to move in the axial direction of the guide rod. A third drive device is arranged on the lower supporting plate and can drive a drilling assembly to rotate. A drill stem is connected with an output shaft of the third drive device. A drill bit is arranged on the side, away from the third drive device, of the drill stem. The novel self-chip-removal machine tool is used for arranging a clamping piece on the machine frame, wherein the clamping piece is used for clamping workpieces.

The invention discloses a multistage chemical material screening and treatment device and relates to the technical field of chemical devices. The multistage chemical material screening and treatment device comprises a bearing frame, wherein a screening barrel is fixedly mounted on the bearing frame; feeding tubes are mounted at the upper end of the screening barrel; a driving motor is fixedly mounted on the bearing frame; a driving belt pulley is coaxially fixed on a driven bevel gear; and the left end of a pull rod II and the left end of a pull rod I are separately hinged on the front surfaceof a driving gear and the front surface of a driven gear in an eccentric manner. The multistage chemical material screening and treatment device separately pulls the pull rod II and the pull rod I byvirtue of the driving gear and the driven gear which are in meshing connection, thereby realizing the left and right reciprocating motion of a second screening plate and a first screening plate, andrealizing the second-stage screening of chemical materials. The relative displacement between protruding blocks I and protruding blocks II realizes the vibration of the second screening plate and thefirst screening plate so as to improve the screening efficiency. Rotating tubes can rotate to scatter the chemical materials, and the hot air sprayed from air outlets can dry the chemical materials toavoid the bonding of the chemical materials so as to ensure great improvement in subsequent screening efficiency.

The invention relates to a soil vibration measuring method. The soil vibration measuring method comprises the steps of embedding a gravity sensor into the soil and sending data measured by the gravity sensor to an external information processing device by a signal sending device. The invention further relates to a soil detection device comprising a cylindrical body, wherein the cylindrical body is embedded into the soil; the gravity sensor and the signal sending device are arranged on the cylindrical body; the gravity sensor is electrically connected with the signal sending device; the gravity sensor is used for detecting the occurring vibration or movement and simultaneously converting the detected signal into data of the occurring vibration or movement; and the signal sending device is used for sending the data to the external information processing device. According to the soil vibration measuring method and the soil detection device, with the adoption of the gravity sensor, the measurement on the soil vibration is realized, and the early warning information and the data analysis can be provided effectively in advance; and meanwhile, as the gravity sensor is arranged on the soil detection device, not only is the early warning information provided, but also the function of the soil detection device can be further improved.

The invention belongs to the technical field of pavement repairing devices, Specifically, the invention relates to a road repairing device, comprising a frame, a traveling wheel, a puncture unit, a crushing unit, a stuffing box and a rolling roller, wherein the puncture unit is installed on the frame, and the puncture unit is used for knocking the edge of the damaged pavement to determine the range of the damaged pavement, and simultaneously avoiding damage to the intact pavement during the repairing process; The crushing unit is installed on the vehicle frame, the crushing unit is located behind the puncture unit, and the crushing unit is used for completely crushing the damaged road surface knocked by the puncture unit; The stuffing box is used for adding asphalt to the pavement to be repaired after being crushed by the crushing unit according to the actual needs and repairing the pavement again; The rolling roller is installed under the vehicle frame, the rolling roller is located behind the stuffing box, and the rolling roller is used for rolling the pavement and repairing the pavement. The invention greatly improves the repairing efficiency, and at the same time, the crushed asphalt is heated and reused, thereby reducing the cost.

The invention discloses a dual resonant mode coupled micro-mechanical piezoelectric ultrasonic transducer. The transducer is provided with a substrate, a structure layer, a bottom electrode, a piezoelectric layer and an upper electrode. The working principle of the transducer is to realize the conversion of mechanical energy to electrical energy or electrical energy to mechanical energy through using positive and negative piezoelectric effects. According to the micro-mechanical piezoelectric ultrasonic transducer, two parts with opposite stress symbols of the diaphragm are divided into an inner region and an outer region on the structural layer, wherein the inner region adopts a boundary fixed supported film vibration mode, and the outer region adopts a single-end fixed supported cantilever beam vibration mode. The resonance frequency of the external cantilever beam is adjusted through changing the geometrical size of the external cantilever beam, so that the transducer is selectivelyrealized that (1) when the resonance frequency of the inner membrane and the resonance frequency of the external beam are the same, the emission sensitivity of the transducer can be improved; (2) whenthe resonance frequency difference between the inner membrane and the external beam is within the -3dB, the bandwidth of the transducer can be increased; and (3) when the resonance frequency difference between the inner membrane and the external beam is large, double-resonance frequency vibration can be realized.

The invention relates to a civil engineering structure anti-vibration test device, which comprises an experiment box, wherein an opening is formed in the bottom surface of the experiment box, a base is arranged under the experiment box, the bottom surface of the experiment box is fixedly mounted on the top surface of the base, a strip-shaped through groove is formed in the top surface of the experiment box, observation windows are formed in front and rear sides of the experiment box, the inner walls of the observation windows are fixedly provided with transparent tempered glass, the top surface of the base is fixedly provided with a buffer plate, the buffer plate is located in the experiment box, a transverse installation plate is arranged above the buffer plate, the bottom surface of theinstallation plate and the top surface of the buffer plate are fixedly connected by means of a plurality of vertical buffer rods. The civil engineering structure anti-vibration test device is reasonable in structural design and convenient to use, can conveniently adjust an angle of a fan so as to adjust an air blowing angle, can adjust the distance between the fan and a test piece, can realize one-way vibration by means of one motor, can further realize multi-directional simultaneous vibration, and can adjust the magnitude of vibration amplitudes, thereby being capable of simulating the actualenvironment and improving the precision of test data.

The invention provides oxidation washing system equipment based on new resin material treatment, relates to the technical field of resin material processing, and solves the problems that when gas is filtered, spraying filtration is realized only through a single spraying structure, and linkage movement of multiple filtering structures cannot be realized through structural improvement. In addition,the seepage phenomenon is likely to occur in the spraying and filtering process, and temporary collection cannot be achieved when seepage occurs. The oxidation washing system equipment based on new resin material treatment comprises a box body, the box body is filled with liquid, and a vibration cleaning structure is installed in the box body. A shifting block is in contact with a spray pipe, andthe spray pipe is in an up-and-down reciprocating motion state when the shifting block rotates along with a rotating shaft, so that further diffusion of water mist sprayed by the spray pipe is realized.

Multiple vibration isolating dampers have at least a first vibration isolating damper which is disposed in a direction in which a rotary drum is rotated during a spin-drying process and is arranged at a position close to a front surface side from a center of gravity of a water tub unit. In addition, the multiple vibration isolating dampers have at least a second vibration isolating damper which is disposed in the direction in which the rotary drum is rotated during the spin-drying process and is arranged at a position close to a rear surface side from the center of gravity of the water tub unit. In addition, the multiple vibration isolating dampers have at least a third vibration isolating damper which is arranged on an opposite side to the direction in which the rotary drum is rotated during the spin-drying process.

The invention discloses layered grinding equipment. The layered grinding equipment comprises a shell body which is provided with a feeding inlet, a discharging outlet and a grinding and pressing channel. The grinding and pressing channel is internally provided with grinding and pressing rollers, and rotating shafts connected with the grinding and pressing rollers, and a partition plate is arranged in the middle of the grinding and pressing channel. The direction of the partition plate is the same as that of the grinding and pressing channel. The grinding and pressing channel is divided into an upper grinding cavity and a lower grinding cavity through the partition plate. Screen nets are uniformly arranged on the partition plate. The grinding and pressing rollers comprise the upper-layer grinding and pressing roller and the lower-layer grinding and pressing roller. The rotating shafts comprise the upper-layer rotating shaft and the lower-layer rotating shaft. The feeding inlet communicates with the upper grinding cavity. The discharging outlet communicates with the lower grinding cavity. The shell body is provided with an upper driving motor and a lower driving motor. According to the layered grinding equipment, the structure is simple, operation is convenient, grinding is conducted through the up-down two-layer structure, and the situation of insufficient grinding can be effectively avoided; accordingly, regrinding is avoided, human and material resources are saved, and the machining cost is greatly reduced; and the using stability is good, the applicability is high, and the practicality is good.

The invention discloses a vibration test simulator for a levitation sensor of a high-speed maglev train. The vibration test simulator is used for a vibration test on the levitation sensor of the high-speed maglev train and mainly composed of a sensor mounting base (100), damping devices (200), a base (300) and a vibration motor (400). The upper portion of the sensor mounting base is used for mounting of the levitation sensor, and the vibration motor is arranged on the lower portion of the sensor mounting base. The damping devices are arranged between the sensor mounting base and the base and located on the four corners of the sensor mounting base respectively. Each damping device is composed of two independent square casing connection joints at the two ends, a parallel-connection square casing connection joint in the middle and supporting rods supported between the square casing connection joints. While achieving vibration of the levitation sensor, the vibration test simulator adjusts the shock insulating effect through the damping devices to simulate the shaking working conditions of the sensor more finely.

The invention discloses automatic lubricating equipment for textile yarns, and belongs to the technical field of textile equipment. The equipment comprises a lubricating assembly, a residual liquid removing assembly and a bearing frame, an upper winding roller is arranged on the bearing frame, the lubricating assembly comprises an oil outlet component, a gantry frame and a bearing platform, the oil outlet component comprises a heating cylinder, a buffer part, an oil outlet hopper, a limiting disc and a lifting part, the oil outlet hopper communicates with the interior of the heating cylinder,the bottom of the oil outlet hopper is provided with an oil outlet hole, and the bottom of the limiting disc is provided with a curve chamfer. Lubricating operation for the yarns can be achieved through the lubricating assembly, residual lubricating oil stuck on the yarns can be removed through the residual liquid removing assembly, lubricating oil can be vibrated through a vibration component, anair blower can be matched with the vibration component, and lubricating oil stuck on the yarns can fall down to an oil storage tank.

The invention provides smoke dust removal equipment for waste incineration. The smoke dust removal equipment comprises a dust collecting box, a dust suction fan is arranged in front of the dust collection box, a first filter screen, a second filter screen and a third filter screen are arranged on the inner side of the dust collecting box, a protective cover is arranged on one side of the dust collecting box, an anti-blocking assembly is arranged on the inner side of the protective cover, the anti-blocking assembly comprises a driving motor, a straight gear is arranged on an output shaft of thedriving motor, one side of the straight gear is engaged with a sector gear, one side of the sector gear is provided with a first rotating shaft and two second rotating shafts, one end of the first rotating shaft and one ends of the second rotating shafts are each provided with a connecting block, one side of each connecting block is provided with a connecting rod, and one end of each connecting rod is provided with a beating ball. Through the dust suction fan, the first filter screen, the second filter screen and the third filter screen, multi-stage filtration of dusty air is achieved, vibration of the filter screens is achieved through the anti-blocking assembly, the filter screens can be effectively prevented from being blocked, and the dust removal effect is improved.

The present invention relates to a method and system for compensating vibrations in an elevator car (5), which elevator car (5) is guided on at least one guiderail (7), vibrations being detected by at least one first sensor (1, 1') at a source of disturbance (8), vibrations being detected by at least one second sensor (2) at the affected point on the elevator car (5), the detected vibrations being interpreted by a controlling means (3), a compensating mass 4 being systematically activated by the controlling means (3), and detected vibrations being neutralized by a.compensating force of opposite sign and equal amount.