13 results about "Dynamic balance" patented technology

The invention discloses a high-strength nodular cast iron for automobile flywheels and a high-density cast molding method thereof. In the high-strength nodular cast iron base, the pearlite content is 90-95%, the ferrite content is 5-10%, and meanwhile, small amounts of Mn, Ni and Cr and trace amounts of Nb are added to perform alloy reinforcement. The high-strength nodular cast iron for automobile flywheels is composed of the following alloy elements in percentage by mass: 3.2%-3.8% of C, 2.0%-2.5% of Si, 0.1%-0.5% of Mn, 0.1%-1.0% of Ni, 0.2%-1.0% of Cr, 0.01%-0.25% of Nb, at most 0.08% of P, at most 0.025% of S, 0.02%-0.06% of Mg, 0.01%-0.05% of Re and the balance of Fe. The room-temperature tensile strength of the nodular cast iron is greater than 700 MPa, the HB is greater than 280, and the 500 DEG C high-temperature tensile strength is greater than 560 MPa. The live riser is provided with two independent flat riser necks to obtain the high-density flywheel casting, and the dynamic unbalance quantity of the flywheel is lower than 1270 g.cm, thereby enhancing the dynamic balance performance and safety.

The invention discloses a device capable of preparing coconut juice directly in a coconut shell, a coconut juice machine using the device and a coconut juice machine use method. The device capable of preparing coconut juice comprises a spring part, a connecting pipe and a cutting unit; the lower end of the spring part is connected with the upper end of the connecting pipe of which the lower end is hinged with the cutting unit; a spring is arranged in the spring part; the connecting pipe is a hollow pipe; the cutting unit comprises a cutting ball; one end of a traction line is connected with the spring in the spring part; the other end of the traction line penetrates through the connecting pipe and is connected with the cutting ball. The cutting ball is in dynamic balance by a centrifugal force, a pull force of the spring and a counter-acting force of the coconut shell, an action of flexibly scraping a coconut cavity is achieved, the coconut juice can be directly machined in the coconut cavity without breaking the coconut shell, the structure is novel, clean and sanitary, the device has no special requirements on the shape and size of the coconut, the technical problems that the existing machine is difficult for streamline processing, and that the coconut shell must be artificially broken for extracting; labor is saved and the cost is reduced.

The invention discloses a novel food processing device comprising a food processing cylinder and an edible water injection cylinder; the food processing cylinder and the edible water injection cylinder vertically arranged are arranged side by side on the device base, and the food processing cylinder and the edible water injection cylinder are supported and connected with the device base through supporting parts; a water outlet end of the edible water injection cylinder is connected with an edible water inlet end of the food processing cylinder through a water guide pipe; rotation of a packingauger shaft cooperates with stirring of a material injection uniform mixing rod, so edible materials in a food channel are still in a uniform mixing state in a liquid, a material injection hole on thematerial injection uniform mixing rod still doing rotation motion makes the process of injecting into the food channel still uniform, finally, dynamic balance is formed in the food processing cylinder, and fluid food still keeping good consistency is discharged by a discharge nozzle.

The invention relates to a manufacturing method for a high-speed permanent magnetic rotor. By performing the processes of assembling, polishing, dynamic balance and the like, and setting reasonable parameters, it can be ensured that magnetic poles of the motor rotor are firmly bonded on a rotor iron core at a high speed of 40,000 rpm. The permanent magnetic rotor manufactured with the method can work under a condition that the rotational speed is 50,000 rpm for a long term, is successfully applied to power motors of digital electronic control systems of aircraftengines, and meets operating requirements of high rotational speeds of aviation motors.

The invention provides a rotary machinery dynamic balance weight online testing device. The device comprises a shell, wherein a rotor is installed in the shell and can rotate relative to the shell, a surface of the shell is connected with a vibration monitoring unit, at least three electromagnets are evenly fixed to the shell in the circumferential direction of the rotor, the electromagnets are electrically connected with a current controller, marking points are arranged on a surface of the rotor, an identification unit facing the marking points is further fixed to the outer side of the rotor, and the identification unit is in communication connection with a rotating speed monitoring unit. The invention further provides a dynamic balance weight online testing method. The mechanical dynamic balance weight testing device is advantaged in that by controlling the magnitude of current on the electromagnets, attraction force with different intensities and directions is provided for the rotor, so the balance weight effect is simulated, a purpose of applying balance weight to the rotor in the rotating process is achieved, online testing of mechanical dynamic balance weight is achieved, adjustment is convenient, the counterweight position and size can be determined through one-time testing, and efficiency is improved.

An adaptive balancing mechanism of dual-head cement troweling machine includes a water tank, a screw support base, an adjusting screw, a sensor and controller, a counterweight, a stepper motor, an underframe, a guide rail, a guide rail support plate, limit plates, and a transmission member. The controller collects the weight change information of the water in the water tank in real time according to the operation process. Adjust the position of the counterweight in real time by the stepper motor and the adjusting screw to make the two trowel heads in adaptive dynamic balance to the ground pressure.

The invention relates to the technical field of machining, in particular to a cutter disk component with a dynamic balance ring. A cutter disk assembly comprises a cutter handle, the dynamic balance ring and a cutter disk body. The cutter disk body is fixed to one end of the cutter handle. The dynamic balance ring is arranged on the cutter handle. The dynamic balance ring comprises a ring body, the ring body is provided with an inner side face and an outer side face which are opposite, the outer side face is provided with a plurality of balance weight holes, and the multiple balance weight holes are evenly formed with the ring body as an axis. The cutter handle comprises a handle body and a wireless transmission receiving device. One end of the handle body is provided with a first connection hole, and the other end of the handle body is provided with a second connection hole. The wireless transmission receiving device is arranged on the outer wall of the handle body. According to the cutter disk component with the dynamic balance ring, after the cutter handle and the cutter disk body are assembled into a whole, the dynamic balance ring is installed on the cutter disk or a cutter body of the cutter handle, an object is installed in the balance weight hole of the dynamic balance ring, so that the space position of the gravity center of the whole formed by the cutter handle, the cutter disk body and the dynamic balance ring can be adjusted to be kept on a rotating axis of the cutter handle, the balance state in the rotating process is advantageously maintained, and mechanicalfailures are reduced.

The invention relates to the field of dynamic balance calibration devices, in particular to a grinding wheel dynamic balance adjusting device which comprises a base, a mounting pipe and a limiting ring, the mounting pipe is arranged on the end face of the base, the limiting ring is arranged at the end, away from the base, of the mounting pipe, and the mounting pipe is sequentially sleeved with a first transmission ring, a second transmission ring and a third transmission ring in the axial direction; the first transmission ring, the second transmission ring and the third transmission ring can rotate relatively, a driving assembly is arranged on the base, and clamping mechanisms are arranged on the side walls of the first transmission ring, the second transmission ring and the third transmission ring. The dynamic balance block adjusting device has the effects that the dynamic balance block can be automatically adjusted conveniently, and the adjusting efficiency of the dynamic balance block is improved.

The invention relates to a dynamic balance clamp which comprises a base. Mounting seats are welded to the left and right sides of the base, chutes are formed in the inner sides of the mounting seats,a lower movable clamp plate is arranged on each chute, a supporting rod is arranged on each mounting seat, a reinforcing rib is arranged on the outer side of each supporting rod, the top ends of the supporting rods are connected through a fixed bar, an upper movable clamp plate is arranged on each supporting rod, the upper movable clamp plate is provided with a compressing device through a throughhole in the middle of the fixed bar, a quenching screw is arranged on the mounting seat on the left side, one end of the quenching screw is movably connected to a quenched and hardened handle shaft,and the quenching screw is mounted above the lower movable clamp plate.

The invention discloses a transmission shaft for a machine tool transmission system. The transmission shaft comprises a center shaft, wherein one end of the center shaft is provided with a front bearing, the other end of the center shaft is provided with a back bearing, the outer side of the front bearing is fixedly provided with an end cover, and the outer side of the back bearing is fixedly provided with a top cover. The transmission shaft is characterized in that the center shaft is sequentially provided with a first gear, a first baffle ring, a second baffle ring, a second gear, a third gear, a third baffle ring and a fourth gear from the front bearing to the back bearing, the first gear is connected with the first baffle ring, the second baffle ring is connected with the second gear, the third gear is connected with the third baffle ring, a separation sleeve is arranged between the first gear and the front bearing, and the back bearing end is provided with a plug used for sealing. The transmission shaft has the advantages that good dynamic balance performance is realized, in addition, the structure is simple, and the service life is long.