51results about How to "Reduce the moment of inertia" patented technology

The invention provides an oval ultrasonic machining device with a non-contact induction power supply function. The oval ultrasonic machining device is composed of an induction power supply device and an oval ultrasonic tool handle. The induction power supply vice sides of the induction power supply device are fixed to a BT tool handle shell of the oval ultrasonic tool handle. The induction power supply primary sides of the induction power supply device are arranged on the outer side of the oval ultrasonic tool handle and are arranged in an internal-external concentric circle mode. The gap between the two induction power supply primary sides is kept small. The induction power supply primary sides are fixed to a spindle seat of a numerical control machining center machine tool through a bracket and kept static. The oval ultrasonic tool handle is fixed a spindle of the numerical control machining center spindle through a taper shank and rotates at a high speed along with the spindle. By adoption of the oval ultrasonic machining device, the rotary radius of the oval ultrasonic tool handle is decreased, the rotary inertia of the oval ultrasonic tool handle is lowered, rotary stability of the oval ultrasonic tool handle is improved, and the oval ultrasonic machining device can avoid the working space of a tool replacing manipulator and meet the automatic tool replacing condition under the condition that the structure of the spindle of the numerical control machining machine tool is not changed. The structure is simple, and operation and use are convenient.

A driving device which makes it possible to reduce the moment of inertia of a rotor and increase torque. A magnet is formed to have a hollow cylindrical shape and has magnetized sections which are magnetized to have alternately different poles in a circumferential direction thereof. A coil is wound coaxially with the magnet and is disposed in axially side-by-side relation to the magnet. A stator yoke is formed of a soft magnetic material and fixes the magnet and the coil. A rotor yoke is formed of a soft magnetic material, and has magnetic pole portions formed in opposed relation to the magnetized sections, for being magnetized by the coil. The rotor yoke is supported in a manner rotatable with respect to the stator yoke. An rotation restricting part limits a range of rotation of the rotor yoke within a predetermined angle.

An engine transmission mechanism in which the chute is linked with the crankshaft Abstract An engine transmission mechanism in which the chute is linked with the crankshaft includes: the crankshaft 2 is installed on the front and rear side walls of the housing 1, and the connecting rod chute 4 with both ends closed is set in the On the journal 3 of the crankshaft 2, drag-reducing rollers 5 are set at both ends of the connecting rod chute 4, and guide chute 6 with the same shape are respectively set on the upper and lower inner walls of the housing 1, and the drag-reducing rollers 5 They are respectively placed in two parallel guide chutes 6, and the groove sides on one side or both sides of the connecting rod chute 4 are respectively connected to a plurality of connecting rods 7 and the pistons 8 in each cylinder 9 to form a single cylinder or multiple cylinders. Cylinder engine block. The transmission mechanism of the invention not only improves the output torque of the engine, but also eliminates the side pressure of the piston 8 on the cylinder wall of the cylinder 9, thereby improving the conversion efficiency of the engine.

The invention relates to the technical field of a mechanical shovel-like excavator which is special equipment for mining a large-scale open-pit mine, and particularly relates to a working arm frame ofan excavator and the excavator. The working arm frame comprises a lower arm frame, a support rod, an upper arm frame and a top pulley, wherein the lower end of the lower arm frame is hinged to a working platform, the upper end of the lower arm frame is hinged to one end of the support rod, the other end of the support rod is hinged to the top of an A-shaped frame, the lower arm frame, the supportrod and the A-shaped frame form a triangular support structure, the lower end of the upper arm frame is hinged to the upper end of the lower arm frame, the top pulley is arranged on the upper end ofthe upper arm frame, the upper end of the upper arm frame is connected with the top of the A-shaped frame by virtue of a pull rope, and a bucket rod and a pushing device are arranged on the lower armframe. According to the structure, the stressed structure of the working arm frame is optimized, the bending moment of the lower arm frame in the pushing process of the bucket rod is reduced, and theworking performance of the whole machine is improved; the support rod is additionally arranged on the arm frame, so that the possibility that the machine is damaged by the jacking of the working arm frame when a bucket is gnawing at the bottom is avoided.

The invention discloses solar battery series welding equipment and a using method thereof. The welding equipment comprises a base, a battery carrying system, a positioning camera, a welding platform,a welding system, a discharging system and a computer control system, wherein the battery carrying system is used for carrying stacked solar batteries to be welded; the positioning camera is used forshooting images of the stacked solar batteries to obtain position information of the stacked solar batteries; the welding platform can be turned over by 180 degrees after series welding is completed;the welding system is a resistance welding system capable of moving in the three-dimensional direction; the discharging system is used for transferring and / or storing welded solar battery modules; andthe computer control system is used for receiving the series welding requirements of the solar battery modules and controlling the operation of the battery carrying system, the positioning camera, the welding platform, the welding system and the discharging system according to the requirements. The solar battery series welding equipment achieves full-automatic series welding of the solar batteries for a space, and has the advantages of being high in production efficiency, high in precision, high in reliability and good in applicability.

The helix heated hoses 10 and 12 use two features to increase the flexibility. The first feature is a braided-copper heating element 14, which has increased flexibility over the prior art solid copper heating element. The element is spiral wound around the hose and held in place with a moisture barrier 16. The second feature is the helix twist 18 located just before the point where the hoses 10 and 12 attach to the manifold 20. The helix feature is created with the helix support 22, which initiates the twist around 24 inches back from the point of termination. The helix feature works to reduce the moment of inertia about the neutral axis 26 of the two supply hoses 10 and 12.

The latch needle (1) of the invention has a latch (7), which is provided on its free end, on its side facing away from the hook (3), with one or more recesses (18, 19). The function of these recesses is to reduce the moment of inertia of the latch (7), which leads to an increased service life of the latch. Between the recesses (18, 19), a rib remains, whose top side functions like a skid for loops to be transferred. The indentations (18, 19) are preferably elongated depressions. However, corresponding openings may be provided as a substitute instead.

The invention relates to the technical field of automatic machine tools, in particular to an automatic tool changing device. An upper guide rail body and a lower guide rail body are fixedly arranged on an upright and are of an upper-lower connection structure, chain knots, toolholder bodies and chain links are sequentially connected and placed in the upper guide rail body and the lower guide rail body, the chain links are fixed on the upper guide rail body and the lower guide rail body, the chain knots and the toolholder bodies are mounted and fixed on the chain links, a chain wheel mounting shaft is arranged on the upper guide rail body and the lower guide rail body, a chain wheel is connected on the chain wheel mounting shaft, a servo motor and a speed reducing mechanism are fixedly connected on the upper guide rail body and the lower guide rail body, the speed reducing mechanism is connected with the chain wheel to drive the same, and a tool-changing detection device is arranged at the edge of the upper guide rail body. Reliability of a tool magazine is greatly improved, production cycle is greatly prolonged greatly, and tool changing of the automatic tool changing device is completed through matching of the tool magazine and a spindle. The tool magazine is fixed and the spindle moves for tool changing, so that moving inertia of the tool magazine is reduced, the structure of the tool magazine is simplified, and tool changing control is simple and reliable.

The invention discloses a welding head moving device and a wire welding machine. The welding head moving device comprises a bonding head structure, wherein the bonding head structure comprises a bonding head frame hinged to a welding head base body, and a wire welding machine wire clamp and an invar transducer which are respectively fixed onto the bonding head frame; the wire welding machine wire clamp adopts a piezoelectric ceramic element as a driving source; and the gravity center of the bonding head structure coincides with or approximately coincides with the rotation center. As the bonding head structure uses the invar transducer with lighter weight and the wire welding machine wire clamp with lighter weight, the overall weight of the bonding head structure can be reduced, and the rotation inertia of the Z axis is reduced; and the gravity center of the bonding head structure can be set to coincide with or approximately coincide with the rotation center as much as possible, so that the stability of the bonding head structure during rotation is improved, the acceleration of the bonding head structure can be improved finally, and the wire welding precision of the wire welding machine is improved.

A driving device which makes it possible to reduce the moment of inertia of a rotor and increase torque. A magnet is formed to have a hollow cylindrical shape and has magnetized sections which are magnetized to have alternately different poles in a circumferential direction thereof. A coil is wound coaxially with the magnet and is disposed in axially side-by-side relation to the magnet. A stator yoke is formed of a soft magnetic material and fixes the magnet and the coil. A rotor yoke is formed of a soft magnetic material, and has magnetic pole portions formed in opposed relation to the magnetized sections, for being magnetized by the coil. The rotor yoke is supported in a manner rotatable with respect to the stator yoke. An rotation restricting part limits a range of rotation of the rotor yoke within a predetermined angle.

An automated assembly apparatus comprises an assembly robot that includes a Y-axis movement unit, a first X-axis movement unit movable in a Y-axis direction along the Y-axis movement unit, and a grip unit movable in an X-axis direction along the X-axis movement unit, and a workbench unit including a Z-axis movement unit arranged below the assembly robot with respect to an Z-axis and a workbench movable in the Z-axis direction along the Z-axis movement unit, wherein an assembly operation for a first assembly component gripped by the grip unit and a second assembly component mounted on the workbench unit is performed through movement in the Z-axis direction by the workbench unit.

The invention discloses a cable storage type rotary optical cable signal transporting device, comprising a main spindle, a transmission gear system, a rotary cable storage mechanism formed by a levorotation cable storage roller and a dextrorotation cable storage roller and a transmission input part which is connected with the main spindle and comprises an optical fiber terminal seat, wherein a terminal disk which is fixedly connected with the main spindle is arranged in the transmission input part, the output end of a limiting torque clutch is connected with a half-coupling fixed on the terminal disk, the input end of the limiting torque clutch is connected with a transmission sleeve, a drive disk is connected with a drive poking rod which is fixed on the transmission sleeve through a connecting piece, and the drive disk, the limiting torque clutch and the main spindle share the same rotation center. The invention solves the problems that because cycles of reciprocating rotation of anexternal optical cable winding mechanism exceed a preset allowed rotation angle of a carried transfer optical cable on the cable storage rollers, the carried transfer optical cable can be stretched tobe broken, and other rotation parts are damaged to lead to signal transmission interruption.

The invention discloses a four-rotor driving type geared motor. Four rotor shafts are symmetrically arranged in the radial direction, and each rotor shaft comprises an eccentric shaft and two tile-type permanent magnets symmetrically mounted on the rear segment; a stator is in a structure that a circular ring is arranged on the outer side, and the middle part is crisscross, a circular gap is arranged on each of the four corners, two symmetrical pole shoes are arranged at each gap, one segment, on which the permanent magnet is mounted, of each of the four rotor shafts passes through the corresponding circular gap to form a single-phase bipolar magnetic pole; upper bearings are mounted on the two eccentric segments of the four rotor shafts and are respectively mounted in the bearing block holes of two inner gear rings, and the two ends of each rotor shaft are respectively mounted in bearing holes formed in a front cover and a rear cover; two windings are symmetrically mounted on the stator in the radial direction, the four rotor shafts can be simultaneously driven to rotate by properly controlling the conduction time and current direction of the two windings, meanwhile the inner gear ring is driven to move in a revolution manner in a radial plane and be meshed with a fixed shaft outer gear, and the outer gear drives a main shaft to output rotation. According to the four-rotor driving type geared motor, the structure is compact, and the transmission ratio is large.

A robot quick-release assembly has a first joint member and a robot component mounted thereon, the first joint member has a first coupler and a second joint member, a robot arm mounted thereon has a second coupler, a clamp, and a locking collar. The first coupler can be coaxially aligned with the second coupler and pressed into the second joint member, and detachably connected to the second joint member. The first mechanical coupler is detachably connected to the second mechanical coupler for transferring power across the quick-release assembly. The robot component can receive an additional electrical connector, the additional electrical connector supplying power to the robot component. The quick-release assembly coupling assembly further exerts large forces with the application of a relatively small torque to the locking collar by applying a two stage wedge engagement and can further include a sequencing system.

The invention discloses a vacuum pump blade with oil grooves. The vacuum pump blade comprises a blade body and ends and is characterized in that the surface of the blade body is provided with a plurality of grooves. The surface of the blade body of the vacuum pump is provided with the grooves for storing oil, and friction between the blade and the side wall of an inner cavity of the vacuum pump and between the blade and the inner side of a groove of a rotor can be lowered in the rotating process of the blade, so that heat generation is lowered, noise is lowered, power consumption is reduced, and the service life is prolonged.

The invention discloses a non-contact inductive power supply device for ultrasonic milling, which mainly includes a primary side and a secondary side. The spatial position relationship between the primary side and the secondary side is arranged as an inner and outer concentric circle, and there is no mechanical connection between the two, wherein the structure of the primary side is only about 2 / 5 of the circumference in the circumferential direction. Complete circular columnar structure. The secondary side is optimized to realize mutual compensation at the working vibration frequency of the ultrasonic vibration system by using the leakage inductance of the secondary side coil and the equivalent capacitive reactance of the ultrasonic vibration system without additional compensation components. . The non-contact induction power supply device has a compact structure, a small moment of inertia, and can be expanded and installed, which can meet the working requirements of automatic tool change, high-speed rotation of the spindle, and high power of the ultrasonic vibration system in ultrasonic milling; install two sets of the non-contact The induction power supply device can also meet the power supply requirements of ellipse ultrasonic milling.