8results about How to "Reduce inertial impact force" patented technology

The present invention discloses a cutting device for cutting aluminum alloy castings, which belongs to the field of cutting. It includes a base plate, a bracket A, a bracket B and a bracket C fixedly mounted on the base plate in sequence, a sleeve A fixedly mounted on the bracket B, a main shaft rotatably mounted inside the sleeve A and extending outside at both ends, a cutting knife fixedly mounted on the main shaft for cutting aluminum alloy castings, an elastic lifting rod slidably mounted along the vertical direction, a placement platform fixedly mounted on the upper end of the elastic lifting rod, two chuck assemblies for clamping aluminum alloy castings, a main shaft variable differential drive assembly that drives the main shaft to start and stop slowly and has a self-locking function, an electric telescopic rod that drives the elastic lifting rod to move up and down, and a chuck drive assembly that drives the chuck assembly to rotate around a fixed axis. The present invention is a cutting device with a reasonable structure, which can significantly eliminate the inertial impact force of the cutting knife during the start and stop process, has higher cutting stability, and can be used for cutting aluminum alloy castings.

This utility model relates to the field of bio-jet fuel technology, specifically a selective collection device for isomeric fractions of bio-jet fuel. The device includes a housing, a rotating assembly, and a tube rack. The bottom of the rotating assembly is located inside one end of the housing, and the end of the tube rack away from the rotating assembly is connected to the housing. This assembly, consisting of the housing, rotating assembly, and tube rack, provides a continuous collection device for isomeric fractions of bio-jet fuel. Through a step-by-step rotation, test tubes used for collecting the fractions pass sequentially below the discharge end of the tube rack. Simultaneously, the device actively lifts the test tubes being collected, bringing the tube opening closer to the discharge end of the fraction, thus reducing the likelihood of external interference during the fraction's descent into the test tube and improving the reliability of fraction collection.

The utility model discloses a kind of primary crushing material air separation devices of stable no jamming feeding. The primary crushing material air separation device includes: air separation main body, feeding nozzle and unblock device;Air separation cavity one side surface upper end of air separation main body is equipped with horizontal mixing inlet;The inner end gap of the guide tube of feeding nozzle inserts mixing inlet and both connection gap place installs elastic sealing, the outer end of guide tube is obliquely upwards and is arranged to form oblique guide channel, guide tube upper side surface middle is equipped with the unblock hole of intercommunication guide channel, unblock hole inner side surface lower end is fixedly connected with scraper plate;The unblock roller of unblock device is rotationally arranged in unblock hole;Primary crushing material is obliquely entered from the upper port of guide tube, unblock motor drives unblock roller to rotate, makes unblock roller push material to move, and scraper plate cleans away winding material and adhering material on unblock roller. The utility model has the effect of effectively protecting equipment, feeding stable no jamming, operation safety, high production efficiency.

The utility model provides a kind of buffering device for rice wine processing swing conveying, including workbench, the top of workbench is equipped with conveying frame, the upper surface of workbench is rotatably connected with pivot, the upper end of pivot is rotatably connected in the bottom surface of conveying frame, the inside of conveying frame is equipped with conveying belt.The utility model is matched between conveying frame and buffer assembly, when conveying frame swings to left and right two sides limit position, conveying frame will extrude buffer plate, by the setting of shear fork articulated rod, so that two groups of connecting blocks can be synchronous on two slide rods Sliding, extruding buffer spring, absorbing part of impact force by buffer spring to realize preliminary buffering, and when buffer plate is stressed to move, two dampers will be extruded, impact force can be further buffered and dissipated, by the synergistic effect of buffer spring and damper, the inertia impact force borne when conveying frame swings to limit position is effectively reduced.

The present invention discloses a gantry truss for a laser cutting machine, and relates to the technical field of gantry trusses, including a U-shaped base and a shock-absorbing positioning mechanism, wherein the top wall of the U-shaped base is provided with two guide rail mechanisms and two shock-absorbing positioning mechanisms distributed front and back, a gantry truss mechanism is provided on the slide rail, a spring rod group is provided on the sliding member 1 and the sliding member 2, and a buffer shock-absorbing mechanism is provided on the gantry truss mechanism symmetrically front and back, and symmetrically up and down on the sliding member 1, and a dust-proof balancing mechanism is provided on the gantry truss mechanism. The present invention performs shock absorption during the operation of the laser cutting machine by cooperating with the guide rail mechanism and the spring rod group, thereby enhancing the stability of the laser cutting machine during the operation, performs shock absorption and positioning when the laser cutting machine stops operating by cooperating with the shock-absorbing positioning mechanism and the buffer shock-absorbing mechanism, and improves the stability of the overall structure while performing sufficient dust suction operations by cooperating with the guide rail mechanism and the dust-proof balancing mechanism.

The invention provides a ship traction mechanism, and relates to the field of ship traction devices.The ship traction mechanism comprises a bottom plate, first rails are fixed to the two sides of the top of the bottom plate, two sets of second rails are arranged at the outer ends of the first rails, and the second rails are rotationally connected with the outer side joints of the first rails through rotating shafts; fixing piles inserted into the ground are arranged on the two sides, located at the inlet end of the first track, of the bottom plate, a bearing assembly is arranged on the surface of the first track and comprises a driving base, the driving base is slidably installed on the surface of the first track, and a front base is arranged at the front end of the driving base. The ship is driven to move along the track through cooperation of the buffering assembly and the driving assembly, in the process, the buffering rope is matched with the buffering assembly, the speed of the ship entering water is reduced, inertia force is decomposed to other positions, inertia tension directly borne by the fixing pile is reduced, and therefore the ship enters water safely, and the damage probability of the device is reduced.

The invention provides a cutter driving device and a harvester, and relates to the field of cutter driving. The cutting knife driving devices are symmetrically arranged, and each cutting knife driving device comprises an assembling assembly, a driving assembly and a driving assembly, the electromagnetic assembly is arranged in the assembling assembly and can continuously generate an electromagnetic field; and the magnet assembly is arranged in the assembling assembly, the electromagnetic assembly is arranged on the peripheral side of the magnet assembly in a sleeving mode, and the magnet assembly can generate a permanent magnetic field interacting with the electromagnetic field so as to form traveling waves used for driving the cutting knife to do reciprocating linear motion. The excitation force generated by the driving mode is small, so that the vibration excitation can be reduced; in addition, the cutting knife driving device adopts a symmetrically arranged structure, so that the inertial impact force generated in the operation process of the cutting knife can be reduced to the greatest extent. In this way, the service life of parts and the driving comfort of a driver can be effectively guaranteed.

The invention provides a towel production process transfer device, and relates to the technical field of transfer devices.The towel production process transfer device is characterized in that a driving plate is rotationally connected between middle shaft sections of two rolling shafts, a kidney-shaped sliding groove is formed in the middle of the driving plate in a penetrating mode, and a driving rod is matched with the kidney-shaped sliding groove in an inserted connection mode; the tail end of the six-edge sliding shaft is rotationally connected with two connecting rods in a bilateral symmetry mode, the tail ends of the two connecting rods are each rotationally connected with a brake circular plate, the two brake circular plates are correspondingly in sliding fit with the rear side rolling shaft, and the two brake circular plates slide away from each other and correspondingly abut against and make contact with the left set of rolling wheels and the right set of rolling wheels. When the transfer device stops or inching start-stop feeding transfer is used and the chain stops rotating, the two brake circular plates can automatically move away from each other in the opposite direction to extrude the two sets of rollers, inertia impact force is reduced, the cloth roller transfer frame is assisted in braking and positioning, pushing and pulling force acting on the chain is shared, impact damage to the chain is reduced, and the service life of the cloth roller transfer frame is prolonged. The service life of the chain is prolonged.