18 results about "Herringbone gear" patented technology

The application discloses a kind of bidirectional plug cutting herringbone gear cutting methods, system and medium, cutting methods include the following steps: A1, first plug gear cutter and second plug gear cutter are installed on plug gear cutter bar, the rake face K1 of the first plug gear cutter and the rake face K2 of second plug gear cutter are oppositely arranged, the distance between the rake face K2 of the second plug gear cutter and the back end surface of the first plug gear cutter is h, satisfy h ≥ L+10, L is plug gear stroke length;A2, determine the cutting parameters of upper helical gear and lower helical gear of herringbone gear;A3, call the numerical control system and programming module of plug gear machine, using second plug gear cutter, first plug gear cutter respectively on upper helical gear, lower helical gear is inserted and cut, and the plug cutting direction of second plug gear cutter and first plug gear cutter is opposite.Solve the technical problem that one direction is used for plug cutting when existing plug cutting is processed, it is difficult to reach the requirement of high symmetry error, the application has the advantages of high product symmetry precision and high production efficiency.

The utility model discloses a horizontal scraper discharging centrifugal machine with large handling capacity, which comprises a driving motor for providing power for the centrifugal machine, and the driving motor comprises a stator and a rotor; the transmission device adopts a herringbone toothed belt wheel structure; the screen basket is used for centrifugally separating materials, and solid-liquid separation of the materials is achieved through centrifugal force generated by rotating the screen basket at a high speed; the scraper adopts a small-lead spiral blade design, and the small-lead spiral blade enables the scraper to scrape materials on the inner wall of the screen basket when the scraper rotates along with the screen basket; a feeding pipe of the feeding system is a circular pipeline, the inlet end of the feeding pipe is connected with the material conveying pipeline, and the outlet end of the feeding pipe is arranged on one side of the screening basket in the tangential direction. According to the centrifugal machine, the problems of handling capacity, transmission stability, feeding mode, maintenance convenience, part protection, environmental adaptability and the like of vertical and horizontal centrifugal machines in the prior art are solved.

The invention relates to the technical field of mechanical engineering, discloses a herringbone gear planetary gear train inherent characteristic analysis method considering gear ring flexibility, and aims to solve the problem that in the prior art, flexible structure characteristics of an inner gear ring are neglected, so that an analysis result is inaccurate during herringbone gear planetary gear train inherent characteristic analysis. When the inner gear ring is modeled, the inner gear ring is discretized into a plurality of sections of uniformly bent gear ring micro-section units, and the motion differential equation of the inner gear ring is constructed through modeling, so that the flexibility characteristic of the inner gear ring is fully considered when the motion differential equation set of the herringbone gear planetary transmission system is constructed; and a more accurate data basis is provided for subsequent solidity analysis. In addition, the structural characteristics of the herringbone gear are considered, the herringbone gear is divided into the left side and the right side for modeling operation, the accuracy of data needed by calculation is improved, and more practical and more accurate inherent characteristic analysis of the herringbone gear planetary transmission system is achieved.

The invention belongs to the technical field of speed reducers, and particularly relates to a speed reduction motor structure and an assembling method thereof. The speed reduction motor structure comprises a bottom shell, a stator, a rotor, an upper cover, an inner gear ring, a coupler, a sun gear, a planet carrier and a planet gear; the bottom shell comprises a barrel shell and a bottom plate, a first bearing is arranged on the bottom plate, a mounting part is arranged on the inner side of the rotor, and a connecting part is arranged on the bottom side of the mounting part; a first shaft of the sun gear is connected with the mounting part, and the coupler is rotationally connected to a second shaft; a plurality of planet shafts are arranged on the bottom side of the coupler at equal angles, the lower ends of the planet shafts are connected with a planet carrier, each planet shaft is rotationally sleeved with a planet gear, and the planet gears and the sun gear are herringbone gears meshed with each other; the upper cover is provided with a supporting ring extending downwards to the inner ring of the rotor, the inner gear ring comprises a first gear ring and a second gear ring, first inner teeth are arranged in the first gear ring, second inner teeth are arranged in the second gear ring, and the first inner teeth and the second inner teeth are combined into herringbone teeth and meshed with the planetary gear; the outer diameter of the planet carrier is smaller than the inner diameter of the inner gear ring.

The application provides a herringbone gear pump and a use method thereof. The herringbone gear pump comprises a herringbone gear pump body, a filter device is fixedly installed at a liquid inlet of the herringbone gear pump body, the filter device comprises a filter box, a filter plate is slidably installed in the filter box, a vertical seat is fixedly installed on the inner wall of the bottom of the filter box, the bottom of the filter plate is in contact with the top of the vertical seat, an upper sealing plate is fixedly installed on the top of the filter plate, the upper sealing plate is fixedly connected with the filter box, a collecting box is slidably installed in the filter box, a lower sealing plate is fixedly installed on the bottom of the collecting box, and two groups of abutting mechanisms are arranged on the bottom of the filter box. The herringbone gear pump has the advantages that impurities in liquid can be filtered, the filtered impurities can be collected, the operation amount of impurity cleaning is small, and the herringbone gear pump does not need to be stopped during the impurity cleaning.

The utility model relates to the technical field of bridge confluence structures, and discloses a high-strength double-motor bridge confluence structure which comprises a gearbox body, a right motor is arranged outside the gearbox body, a left motor is arranged outside the gearbox body, and a main rotating shaft is movably sleeved with the gearbox body. A herringbone gear movably sleeves the outer part of the main rotating shaft, the outer part of the herringbone gear is meshed with a right motor gear, and the outer part of the herringbone gear is movably meshed with a left motor gear; according to the utility model, the right motor and the left motor are arranged, and the right motor gear and the left motor gear which are independently driven and symmetrically arranged can be simultaneously meshed with herringbone teeth outside the main rotating shaft, so that unevenness of loads can be adjusted to a certain extent by generated opposite axial forces, and the loads output by the motors tend to be consistent; and the power converged by the herringbone teeth is transmitted to the tires through the gearbox, so that the use experience of the equipment is optimized.

The invention relates to the technical field of herringbone gear shaft assembly, and discloses a split type herringbone gear shaft machining assembly and centering adjustment method which comprises the steps that A, one end face of a first gear is selected and marked as a first gear reference end face; one end face of a second gear is selected and marked as a second gear reference end face; b, the first gear and the gear shaft are baked; c, a datum line is marked on the first gear, the datum line extends in the axial direction, and an alignment line is correspondingly marked on the gear shaft; d, the second gear and the gear shaft in the step C are baked; e, the matched herringbone gear shaft and the split herringbone gear shaft in the step D are arranged in the box body; and F, centering adjustment is conducted on the split herringbone gear shaft. The invention aims to provide the processing, assembling and centering adjusting method for the split herringbone gear shaft so as to ensure that the split herringbone gear shaft can meet the design centering requirement after being baked.

The application belongs to the technical field of beam pumping unit, in particular to a power unit of beam pumping unit, which comprises a main reducer, an auxiliary reducer, a permanent magnet synchronous motor and a motor frequency converter controller, the auxiliary reducer comprises an auxiliary reducer driven large gear and an auxiliary reducer driving small gear which are engaged with each other, the auxiliary reducer driven large gear is installed on the input shaft of the main reducer, and the auxiliary reducer driving small gear is installed on the motor shaft of the permanent magnet synchronous motor; the auxiliary reducer driven large gear comprises a hub, a gear ring and a plurality of shock absorbing springs, the gear ring is sleeved on the hub and is in clearance fit, a plurality of rectangular slots are uniformly distributed in the circumferential direction at the contact position of the hub and the gear, and the shock absorbing springs are installed in the rectangular slots in a compressed state; the auxiliary reducer driven large gear and the auxiliary reducer driving small gear are both herringbone gears. The application has high transmission efficiency, high reliability, continuous adjustable pumping unit stroke, and can meet the needs of matching with full series of beam pumping units.

The invention belongs to the technical field of misplacement angle measurement of misplacement herringbone gears, and particularly relates to a method for measuring a misplacement angle of a narrow-clearance misplacement herringbone gear, which comprises the following steps of: fixing a gear on a working table of a tooth measuring machine by using an adaptive tool and positioning the gear; inputting gear design parameters, and scanning and acquiring end face coordinates of the gear and the clearance groove to construct a central plane; unfolding the gear into a rectangle along the reference circle, and constructing a plane coordinate system taking the central plane projection of the clearance groove and the axis projection of the gear as coordinate axes; measuring the projection curve of the spiral line tooth by tooth, extending the spiral line, fitting the obtained intersection points into a straight line, and calculating the distance delta Z between the straight line and the coordinate axis; and substituting into a specific formula to calculate an actual dislocation angle theta, and comparing with a design value to detect deviation. The method is suitable for measuring the manufacturing precision of a specific herringbone gear, the dislocation angle measuring precision can be greatly improved, the deviation is accurately controlled, and the transmission performance is guaranteed.

The invention belongs to the technical field of aviation gear machining and the field of grinding processes, and relates to an aviation staggered herringbone gear grinding process parameter design method. The staggered herringbone gear comprises a left bevel gear, a middle clearance groove and a right bevel gear; the left helical gear and the right helical gear have the same helical angle beta and normal modulus mn, and the left helical gear and the right helical gear are staggered by a staggered angle theta; the method comprises the following steps: 1, calculating a judgment parameter K according to a judgment formula; 2, whether the value of the parameter K is in a first value range (Ka, Kb) or not is judged, and if yes, it is judged that borrowing grinding can be conducted, and the grinding wheel can obtain the maximum diameter Dmax; otherwise, determining non-borrowing grinding; and 3, the maximum diameter Dmax of the grinding wheel is calculated.

This application provides an in-situ measurement method and device for the circumferential machining compensation amount of herringbone gear teeth phase. Based on the machining concept of quantitative compensation, this invention improves the axial phase accuracy of herringbone gear teeth during the machining process. After machining the cylindrical helical gear teeth at one end of the herringbone gear, the cylindrical helical gear teeth at the other end are machined step by step, and the circumferential phase error of the two cylindrical helical gears at both ends is quantitatively obtained between processes, providing quantitative parameters for machining compensation. The provided measurement device can measure the phase deviation of the herringbone gear teeth without mechanically damaging the herringbone gear and without the herringbone gear leaving the machining position, thus reducing the systematic error in the machining of herringbone gears.

This invention discloses a highly adaptable herringbone gear reducer with hardened tooth surfaces. The large gear includes a left-hand sector-shaped half-gear ring and a right-hand sector-shaped half-gear ring. The meshing surfaces of the left-hand and right-hand sector-shaped half-gear rings and the hub boss of the wheel hub are both planar structures with micron-level anti-slip textures. The double-arc herringbone gear formed by the left-hand and right-hand sector-shaped half-gear rings is staggered by half a tooth pitch along the axial direction, and the tooth surface adopts a double-crown modified tooth surface. During assembly, the left-hand and right-hand sector-shaped half-gear rings and the hub boss are coaxially positioned. The meshing surfaces are coated with anaerobic liquid oxygen adhesive and radially combined and cured. After curing, through-hole screw holes and pin holes are machined on the gear rings and the hub boss, and double fixing is achieved by screws and pins. This invention solves the problems of high processing difficulty, insufficient assembly accuracy and connection reliability, poor adaptability of lubrication system, and uneven tooth surface load distribution in existing hardened herringbone gear reducers.

The application discloses a herringbone gear hobbing cutter, which comprises a hobbing cutter bar and hobs, the hobs are installed on the hobbing cutter bar, the hobs comprise first hobs and second hobs, the hobbing cutter bar is provided with an installation part, the first hobs and the second hobs are respectively installed on both ends of the installation part, the axial distance between the first hobs and the second hobs is L0, the stroke length of the herringbone gear is L, and L0 is greater than or equal to L, and the initial cutting teeth of the first hobs and the second hobs are located at the same angular position on the hobbing cutter bar. The application overcomes the single machining characteristic of the existing hobbing cutter, and ensures the high-precision manufacturing of the symmetry error of the intersection points of the helical lines of the two helical gears of the herringbone gear.

The invention discloses a machine tool structure for machining internal herringbone teeth, and relates to the technical field of gear machining. The internal tooth machining device comprises a machine tool feeding mechanism, an internal tooth machining mechanism and a workbench, wherein the workbench is arranged on one side of the machine tool feeding mechanism. The internal tooth machining mechanism is matched with the X-axis feeding assembly, the Y-axis feeding assembly and the Z-axis feeding assembly in the machine tool feeding mechanism to be in linkage with the C-axis rotating assembly in the workbench, overall forming machining of the double-spiral tooth face of the large-specification clearance-groove-free internal tooth herringbone tooth gear ring can be achieved, and the internal tooth herringbone tooth machining and assembling procedures are reduced; a workpiece is horizontally placed above the workbench and is clamped and fixed once through a clamp, the workpiece clamping efficiency is improved, the structure has high rigidity, high-precision machining of internal tooth herringbone tooth workpieces of various specifications can be achieved by being matched with machine tool feeding mechanisms of different specifications and finger-shaped milling cutters of different specifications, the application range is wide, and the machining precision is high. And the blank of integrally processing the inner tooth herringbone tooth structure by the finger-shaped milling cutter is filled.

The utility model provides a herringbone tooth turning cutter, and belongs to the field of turning cutters. The utility model relates to a tooth turning cutter which solves the problems that heat is generated in the operation process of the tooth turning cutter, the abrasion resistance is possibly reduced due to overheating, and metal chips and other impurities are possibly generated in the machining process to influence the machining accuracy. A bearing used for connection is arranged between the tool bit and the disc, an annular notch is formed in the tool bit, an air inlet pipeline is arranged on the disc, first limiting rings are arranged on the two sides of the air inlet pipeline located in the notch, a second limiting ring is arranged on the tool bit, a groove channel is formed between the second limiting ring and the tool bit, and the groove channel is communicated with the groove channel. An annular air guide groove matched with the air inlet pipeline is formed in the tool bit, a plurality of air guide pipes are arranged below the air guide groove, and a plurality of air outlet pipes extending to the blade are arranged on the air guide pipes.

This invention relates to the field of aerospace and ship gear transmission technology, specifically to a long-cycle multi-source excitation calculation method for herringbone gears considering asymmetric pitch deviation. Based on the gear generating principle, the theoretical tooth surface equations of the large and small gears are derived. The small gear undergoes bidirectional modification to obtain the position and normal vector of its modified tooth surface. The geometric contact analysis of the herringbone gear is decomposed into independent analyses of the left and right helical gear pairs. A TCA model is established and solved to obtain the tooth surface contact trajectory, initial tooth surface clearance, and geometric transmission error. Displacement compatibility conditions and axial force equality constraint equations are constructed. An improved load-bearing contact analysis model is established and solved using an improved simplex method. Iterative solutions yield the comprehensive meshing stiffness, axial runout, and comprehensive meshing error over the long cycle. This invention achieves differentiated and accurate calculation of the excitation in each meshing cycle of the herringbone gear over the long cycle, quantifies the axial runout excitation, and obtains multi-source excitation in one go, providing a complete vibration excitation input for the dynamic model of the herringbone gear transmission system.

This utility model relates to a balancing gear device in the field of gear technology, including a hub and a gear disposed on the outer ring surface of the hub. A diaphragm assembly, a flange, and a cover are coaxially arranged on the inner side of the hub. The diaphragm assembly is composed of multiple layers of stacked elastic diaphragms. The outer edge of the diaphragm assembly is connected to the hub by at least one ring of fasteners, and the inner edge is clamped between the flange and the cover to form a rigid connection area. The cover fixes the diaphragm assembly through a three-stage connection structure. For gear operation in high-speed reducers, this utility model utilizes the excellent self-balancing ability of the herringbone gear itself and the balancing gear device to counteract the unbalanced force caused by uneven gear mass or assembly errors, reducing vibration and noise. After balancing, gear meshing is smoother, effectively increasing transmission accuracy and stability. With reduced vibration, the frictional resistance between gear meshing and bearings decreases, further increasing transmission efficiency.

The utility model relates to the technical field of yarn guides, in particular to a yarn guide of a high-speed elasticizer, which comprises a mounting seat, a lifting frame is slidably mounted on the mounting seat, ceramic bearings are symmetrically and fixedly mounted on the lifting frame, and ceramic guide wheels are fixedly mounted on the inner side walls of the ceramic bearings. Two herringbone gears used for avoiding deviation of the ceramic guide wheels are fixedly mounted on output shafts of the ceramic guide wheels, the two herringbone gears are meshed with each other, a threaded rod used for driving the lifting frame to slide up and down is rotationally mounted on the mounting seat, and the threaded rod is in threaded connection with the lifting frame; the two herringbone gears are equal in spiral angle and opposite in spiral direction, when the two herringbone gears are meshed with each other, the two herringbone gears can be restrained with each other, axial force generated by the two herringbone gears is avoided, axis deflection of the two ceramic guide wheels is restrained, and the effect that silk threads can be effectively prevented from jumping due to axial deflection is achieved.