17 results about "Tapered teeth" patented technology

The present application relates to the technical field of inductance filtering, and discloses a coil welding positioning method and device. The method comprises the following steps: placing each long copper sheet in a pre-assembly position; inserting a plurality of first tapered teeth into the middle part between each two adjacent long copper sheets; inserting a plurality of second tapered teeth between adjacent long copper sheets, so that an inner end part is inserted between each two adjacent second tapered teeth; inserting a plurality of third tapered teeth between adjacent long copper sheets, so that an outer end part is inserted between each two adjacent third tapered teeth; pushing the long copper sheet by using a positioning push block; making all the first tapered teeth disengage from the long copper sheet; clamping all the long copper sheets between the positioning push block and a workbench, so that the long copper sheet moves from the pre-assembly position to a welding position. The method uses three different tapered teeth to achieve accurate positioning of the long copper sheet and improve the welding efficiency.

This invention relates to the field of performance testing equipment technology, specifically to a multi-directional testing device and method for the tensile properties of pure rubber film. The device includes a film bottom clamping mechanism, comprising a base plate, on which a third pressure plate and a second fixing plate are fixedly mounted. A fourth pressure plate is provided on the second fixing plate to clamp the pure rubber film onto the third pressure plate. A third bearing plate is fixedly mounted on the base plate, and a second splined bushing is rotatably connected within the third bearing plate. A second bevel tooth is fixedly mounted at one end of the second splined bushing, and a first bearing plate is rotatably connected to the outer wall of the second splined bushing. A first top plate and a second bearing plate are fixedly mounted on the first bearing plate, and a first threaded rod is rotatably connected to the first top plate and the second bearing plate. This device allows for testing the maximum tensile strength of the pure rubber film in multiple directions. The device is easy to operate, has a long service life, and is easy to maintain.

A vehicle seat adjustment mechanism includes a first component and a second component that is movable relative to the first component. A drive mechanism is drivingly connected to the second component for moving the second component relative to the first component. The drive mechanism includes a drive motor drivingly connected to a first gear member having conical involute teeth. A second gear member includes conical involute teeth in meshing engagement with the conical involute teeth of the first gear member. The conical involute teeth have a tapered tooth thickness, a tapered root and a tapered outside diameter.

A set of blades (20) is operatively connected to a hair clipper (22) and includes a stationary blade (28) and a movable blade (34) configured to move back and forth laterally relative to the stationary blade. At least one of the stationary blade and the movable blade includes a base (46) and a plurality of teeth extending from the base. The plurality of teeth includes a set of long teeth (42), each of said long teeth having a tip (52) parallel to and spaced one distance from the base defining a first cutting line; and a set of short teeth (44), each of said short teeth having a tip (52) parallel to and spaced two distances from the base defining a second cutting line spaced from the first cutting line. The first cutting line is further from the base than the second cutting line.

The utility model belongs to the field of edge sealing devices, and particularly relates to a bubble bag edge sealing device which comprises a hot-pressing edge sealing device, an edge sealing wheel is fixedly connected to the rear side of the hot-pressing edge sealing device, a cutting knife is arranged on the front side of the edge sealing wheel, and a supporting frame is fixedly connected to the front side of the cutting knife. A driving motor is fixedly connected to the upper portion of the supporting frame, a rotating cylinder is fixedly connected to the output end of the driving motor, a third bevel gear is fixedly connected to a shaft of the rotating cylinder, a transmission shaft frame is connected to the third bevel gear in a meshed mode, and a second bevel gear column is connected to the lower portion of the transmission shaft frame in a meshed mode; the end of the second conical tooth column is connected with a power piece in an engaged mode, and the middle of the power piece is connected with a material arranging piece in an engaged mode.

The present application relates to the technical field of assembly gauge, in particular to a steam turbine blade simulation assembly gauge, which comprises a positioning disc group, a blade root clamping piece and a plurality of driving teeth. The positioning disc group comprises a rotating disc seat, a threaded disc, a tooth guide rod, a pull ear rod and a sliding sleeve piece. The threaded disc is internally provided with bevel gears and screw threads for engaging with the driving teeth, so as to drive the tooth guide rod to slide in the radial direction. The tooth guide rod drives the pull ear rod to slide through a linkage plate. The surface of the pull ear rod is provided with an inclined sliding groove and an inclined wedge surface, and is in sliding cooperation with a sliding guide block and a pulley on the inner side of the sliding sleeve piece, so as to realize clamping or loosening actions. The blade root clamping piece comprises a fixed plate part, an elastic ear part and a blade root clamping ear, and the blade root clamping ear is arranged in a V shape. The present application realizes multi-point synchronous clamping and automatic loosening of the blade root, has the advantages of uniform clamping force, high clamping precision, non-destructive fitting and convenient operation, and significantly improves the precision and efficiency of steam turbine blade assembly measurement.

The utility model provides a sintering material layer ventilation punching device which comprises a round roller and conical teeth evenly arranged on the round roller, the two ends of the round roller are rotationally connected with supports through rotating shafts respectively, and the two supports are fixed to the two sides of a trolley channel in front of a sintering machine head respectively. Tooth holder arrays are evenly arranged in the circumferential direction of the outer wall of the round roller and comprise tooth holders evenly arranged in the length direction of the round roller, and the conical teeth are detachably connected to the tooth holders. According to the utility model, different conical teeth can be replaced according to production requirements without being driven by external force to rotate, so that the efficiency of punching air holes is improved, and the production cost is reduced.

The invention discloses an irradiation sterilization device with an adjustable height position, and mainly relates to the technical field of irradiation sterilization. Comprising a movable frame, a sliding plate is slidably connected to the movable frame, vertical plates are arranged at the two ends of the sliding plate respectively, a first connecting rod and a second connecting rod are rotationally connected to the two ends of each vertical plate respectively, and the ends of the first connecting rods and the ends of the second connecting rods are rotationally connected with a bottom frame and a bearing platform respectively; the end of the first screw is in key connection with conical teeth, the movable frame is rotationally connected with a driven shaft, the end of the driven shaft is provided with a driving wheel, and the driving wheel is provided with convex teeth meshed with the conical teeth. The device has the beneficial effects that the problem that the supporting gravity center of the lifting mechanism and the overall gravity center of the bearing platform are difficult to keep collinear and coincide is solved, the problem that the bearing platform is inclined, deviated and other posture anomalies is prevented, then the irradiation uniformity of an irradiation source to objects is improved, the operation stability of the whole irradiation sterilization equipment is improved, and the service life of the whole irradiation sterilization equipment is prolonged.

A tap extraction tool for extracting a broken tap from a workpiece using an accompanying impact driver. The tool features a tool body shaft with a drive end, and a working end situated distally thereof along a longitudinal axis. The working end has tapered teeth and intervening void spaces arranged around the axis. The tapered tooth geometry includes a narrowing of a circumferential tooth width to a pointed biting edge in a radially inward direction, and a narrowing of a radial tooth thickness in the longitudinally distal direction. Two inner faces of the working tooth convergently intersect at the biting edge, which angles outwardly away from the central longitudinal axis in the longitudinally distal direction. The circumferential tooth width also narrows in a radially inward direction, from two non-parallel and convergently angled outside edges of an outer circumferential surface of the tooth.

The invention discloses a spherical gear clamp and a robot for manufacturing a spherical gear. The clamp comprises a base, a first bevel gear, a second bevel gear, a profiling claw and a positioning block. The first bevel gear is rotationally installed in the base. The second bevel gear is rotationally installed on the base, meshed with the first bevel gear and provided with Archimedes spiral teeth. The bottoms of the profiling claws are meshed with the Archimedes spiral teeth, and the tops of the profiling claws are provided with clamping cambered surfaces. The first bevel gear rotates to drive the second bevel gear to rotate, so that the Archimedes spiral gear drives the profiling claw to move in the radial direction of the base, and the multiple clamping cambered surfaces are attached to and clamp the spherical surface of the spherical gear to achieve axial positioning. The bottom end of the positioning block is detachably installed on the base, and the top end of the positioning block can be matched with a positioning hole formed in the spherical gear to achieve circumferential positioning. The machining method has the technical effects of improving the machining precision, ensuring the gear meshing performance, prolonging the service life of the gear and adapting to machining of spherical gears of various specifications.

The utility model discloses a conical toothed thread anti-loose connecting structure which comprises a nut and a screw, a first convex cone is arranged on the nut, an internal thread of the nut extends into the first convex cone, a first connected piece between the nut and the screw is provided with a first concave cone, and the first convex cone is matched with the first concave cone. The taper of the first concave cone is larger than that of the first convex cone, and conical teeth are arranged on the outer side of the first convex cone. Compared with the prior art, the first convex cone of the nut is tightly abutted against the first concave cone of the first connected piece, the first convex cone is driven to tightly hold the screw rod, and when the loosening tendency occurs, the first connected piece has the upward moving tendency to apply force to the nut, so that the nut is prevented from being loosened. And the force enables the threads at the first convex cone of the nut to generate inward radial pressure along the first concave cone, so that the screw rod is tightly held, the nut is prevented from loosening, and the anti-loosening requirement is met. And secondly, the conical teeth on the first convex cone can increase the friction force between the first convex cone and the first connected piece, and the anti-loosening effect is further improved.

The invention relates to the technical field of assembly measuring tools, in particular to a steam turbine blade simulation assembly measuring tool which comprises a positioning disc set, a blade root clamping piece and a plurality of driving teeth. The positioning disc set comprises a rotating disc base, a threaded chain wheel, a tooth guide rod, a pull lug rod and a sliding sleeve piece, and bevel teeth and threads meshed with the driving teeth are arranged in the threaded chain wheel and used for driving the tooth guide rod to slide in the radial direction. The tooth guide rod drives the lug pulling rod to slide through the linkage plate, an inclined sliding groove and an inclined wedge face are arranged on the surface of the lug pulling rod, and the lug pulling rod is in sliding fit with a sliding guide block and a pulley on the inner side of the sliding sleeve piece to achieve clamping or loosening action. The blade root clamping piece comprises a fixed plate part, an elastic lug part and a blade root clamping lug, and the blade root clamping lug is arranged in a V shape. According to the invention, multi-point synchronous clamping and automatic loosening of the blade root of the blade are realized, the clamping force is uniform, the clamping precision is high, nondestructive fitting is realized, the operation is convenient and fast, and the precision and efficiency of assembling and measuring the blade of the steam turbine are obviously improved.

A bladeset is operationally connected to a hair clipper and includes a stationary blade and a moving blade configured for reciprocating laterally relative to the stationary blade. At least one of the stationary blade and the moving blade includes a base and a plurality of teeth extending from the base. The plurality of teeth includes a set of long teeth, each of the long teeth having a tip parallel to and spaced a first distance from the base defining a first cutting line; and a set of short teeth, each of the short teeth having a tip parallel to and spaced a second distance from the base defining a second cutting line spaced apart from the first cutting line. The first cutting line is farther from the base than the second cutting line.

The space three-dimensional cleaning device with the adjustable rotating speed is characterized in that a main shaft assembly is composed of a main shaft, a spray head and a center gear, and two water outlets which are staggered by 180 degrees are formed in the spray head; the main shaft assembly is rotationally installed on the shell assembly. The input pipe assembly and one end of the shell assembly can be in supporting fit in a relative rotation mode. Water delivery channels which are communicated with each other at an included angle of 90 degrees are arranged in the input pipe assembly and the main shaft assembly and are communicated with the two water outlets; a worm gear is arranged on the water pipe assembly; a worm part of the worm shaft is meshed with the worm gear, and a straight tooth part of the worm shaft is meshed with the sun gear; a first straight tooth part of the straight gear shaft is meshed with the central gear, and a second straight tooth part of the straight gear shaft is meshed with a straight tooth part of the bevel gear shaft; the speed adjusting assembly is installed at the other end of the shell assembly and meshed with the bevel tooth part on the bevel gear shaft through the tooth part of the final-stage bevel gear shaft. The industrial tank cleaning device meets the requirements of industrial tank cleaning for use safety, dead-corner-free cleaning, adjustable speed and high reliability.

A blade set (20) is operably connected to the hair clipper (22) and includes a stationary blade (28) and a moving blade (34) configured for transversally reciprocating movement relative to the stationary blade. At least one of the stationary blade and the moving blade includes a base (46) and a plurality of teeth extending from the base. The plurality of teeth includes: a set of elongated teeth (42), each of the elongated teeth having a front end (52) parallel to and spaced apart from the base by a first distance and defining a first cutting line; and a set of short teeth (44), each of the short teeth having a front end (52) parallel to and spaced apart from the base by a second distance and defining a second cutting line spaced apart from the first cutting line. The first cutting line is farther from the base than the second cutting line.

An externally toothed gear (3) of a strain wave gearing (1) is provided with external teeth (34), the tooth profile of which gradually changes along the tooth trace direction. The external teeth (34) are each provided with an external tooth portion (341) that is capable of meshing with internal teeth (24) of an internally toothed gear (2), and an external tooth extension portion (342) that does not mesh with the internal teeth (24). The external tooth extension portions (342) have a tapered tooth profile that tapers off, and serves as a guide for instances when the external teeth (34) are inserted between the internal teeth (24). The tooth profile (342c) of the external tooth extension portions (342) is slightly smaller than the tooth profile (341c) at first ends (341a) of the external tooth portions (341), to which the external tooth extension portions (342) are linked. The tooth profile (342c) does not protrude in the tooth depth direction or the tooth thickness direction from the tooth profile (341c) due to misalignment of a molding die. It is easy to carry out fitting work for inserting the externally toothed gear (3) into the internally toothed gear (2) using the external tooth extension portions (342) as a guide.

This invention provides a milling method and fixture for machining rectangular splines on gear parts, replacing grinding. Step 1: Complete the bevel gear machining. Step 2: Place the gear positioning fixture onto the gear part. Step 3: Install a cylindrical pin on the gear positioning fixture; ensure the cylindrical pin is tangent to the arc of the adjacent tooth groove of the bevel gear, thus securing the bevel gear and defining the position of the gear part, determining the starting position of the rectangular spline. Step 4: Level the gear positioning fixture, align the cutting tool and center it, then rotate it by a certain angle. This rotation angle corresponds to the positional relationship between the rectangular spline and the bevel gear tooth tip groove. Then, begin milling the rectangular spline. This invention ensures the positional relationship between the bevel gear tooth tip groove and the outer rectangular spline while achieving low-cost, high-precision machining of the outer rectangular spline to meet design requirements. The fixture structure is simple, the machining process is good, effectively improving the product qualification rate and controlling and reducing the machining cost of the outer rectangular spline on gear parts.