8results about How to "Small transmission error" patented technology

This invention discloses an integrated power device combining a low-tooth-difference reducer and a motor, comprising a motor, a housing, and an output shaft coaxially arranged, with the housing rotatably connected to the output shaft. The housing has a hollow cavity inside, into which the motor output shaft extends and is linked via a reduction mechanism. A camshaft is connected to one end of the motor output shaft near the output shaft. The reduction mechanism includes a needle roller bearing mounted on the camshaft, a drive gear mounted on the needle roller bearing, and a transmission assembly installed between the drive gear and the output shaft. The inner wall of the housing has an internal gear ring, with the drive gear meshing with the internal gear ring using low-tooth-difference gears. This invention improves transmission stability and efficiency by designing the motor output shaft and camshaft as an integrated unit, while also making the space more compact. The drive gear and output shaft are driven by transmission steel balls, allowing the output end to directly bear radial force. The structure is simplified, with fewer parts, easier control of part machining accuracy, and lower manufacturing costs.

The utility model discloses a novel push wheel linkage feeding mechanism belongs to the technical field of automation equipment, including fixed plate, feeding box, rotary feeding unit, X axis feeding unit, Y axis feeding unit and push unit, and fixed plate horizontal arrangement is installed in the top of fixed plate, and rotary feeding unit is installed in the top of fixed plate, and sets up at the back of feeding box, and X axis feeding unit is installed in the top of fixed plate, and Y axis feeding unit is installed in the top of fixed plate, and sets up at the front of feeding box, and push unit is installed in the top of fixed plate, and sets up at the front of rotary feeding unit. The utility model discloses through the innovation mechanical linkage and sensing control, realized low -cost, high -efficient, high reliability's automation feeding, especially applicable to the quick sorting and the turning scene of small -size material, and the power manufacturing industry reduces the benefit of benefit.

This invention provides a planetary gear reducer, belonging to the technical field of reducer technology. It solves the problem of unstable torque in existing technologies. This invention includes a front housing, a gear ring body, a rear housing, a planetary gear assembly, an input shaft, and an output splined shaft. The front housing, gear ring body, and rear housing are connected sequentially, and the planetary gear assembly is installed inside the front housing, gear ring body, and rear housing. The planetary gear assembly includes planetary gears, a sun gear, and a planet carrier. The planet carrier is a hollow annular sleeve with a mounting hole in the center and a connecting ring formed on the rear side. The planetary gears are fitted onto the planetary shafts and located in the mounting hole, meshing with the inner side of the gear ring body. The sun gear is located inside the planet carrier and meshes with the planetary gears. A keyway groove is formed on the inner side of the connecting ring groove on the rear side of the planet carrier, and the output splined shaft is connected to the rear side of the planet carrier through the keyway groove. This invention has the advantages of stable torque transmission and high precision.

The application discloses a kind of multiple resolver synchronous high-precision detection device, adopts star type gear train to realize a motor input speed, rotation angle phase signal, generates multiple speed, rotation angle signal output resolver precision detection;Adopt the special structure of sliding adjustable type split unit to realize the clearance between star type gear train and sun gear, maximum limit gear transmission error is reduced;Using coaxial connection standard resolver to calibrate the resolver to be measured, removes the influence of gear transmission error and clearance in star type gear train;Thus, the purpose of high-precision detection is achieved.The device has the advantages of high detection precision, compact structure, easy adjustment, etc., and has broad market prospects.

The utility model provides an anti-impact electric cylinder, which belongs to the technical field of engineering machinery and comprises a lead screw pair mounted in an outer pipe, a lead screw in the lead screw pair is driven by a servo motor to rotate, the lead screw drives a nut to do reciprocating rectilinear motion along the surface of the lead screw when rotating, a connecting pipe is fixed at the upper end of the nut, and a push rod is sleeved at the upper end of the lead screw. The push rod is matched with an extension block at the upper end of the connecting pipe in a hooking and pulling mode, the surface of the connecting pipe is sleeved with a compression spring, the upper end of the compression spring makes contact with the lower end face of the push rod, and when the nut pushes the push rod to do forward linear movement through the compression spring, impact energy can be absorbed and converted into elastic potential energy; direct damage of impact to core components such as a lead screw pair and a gear pair is effectively reduced, component failure caused by impact is avoided, and the service life of the electric cylinder under the high-impact working condition is remarkably prolonged.

The utility model relates to the technical field of feeding equipment, specifically disclose a kind of discharging type feeding machine, including machine body and multiple feeding units, and feeding unit includes material storage table, lifts material frame, driving part and transmission assembly;Material storage table is obliquely arranged on machine body, for single layer to place multiple root pipe material to be processed, and the low end of material storage table is provided with stop block;Lifts material frame below material storage table, the oblique direction of the upper end of lifts material frame is consistent with the oblique direction of material storage table, and the coincident length of lifts material frame and material storage table is matched with the width of single pipe material, driving part drives lifts material frame reciprocating lifting, and lifts single pipe material on material storage table;Transmission assembly includes connecting rod, gear one and rack one, connecting rod is rotatably arranged on machine body, and two adjacent connecting rods are connected by differential shaft coupling structure one, gear one is fixedly sleeved on connecting rod, rack one is fixed on lifts material frame, gear one is engaged with rack one, and the feeding machine of the scheme improves the stability, continuity and processing efficiency of pipe material feeding.

The invention discloses a design method and system for high transmission stability of a line contact spiral bevel gear pair, and the method comprises the steps: determining the reference diameter d1 of the large end of a small gear tooth, the number z1 of small gear teeth, and the number z2 of large gear teeth according to a given gear pair transmission ratio i, the torque T or power P needing to be transmitted, and the modulus m of the large end of the gear teeth; establishing a function relationship between a midpoint helix angle beta m and a longitudinal contact ratio epsilon beta under the condition of keeping the reference diameter d1 of the large end of the small wheel tooth unchanged; based on a calculation formula of the total contact ratio epsilon r of the bevel gear, obtaining a function relationship between the midpoint helix angle beta m and the total contact ratio epsilon r; according to the obtained function relation, the total contact ratio epsilon r of the gear pair is set to be a certain integer value, so that the corresponding midpoint helix angle beta m is determined, and geometric parameter design of the gear pair is preliminarily completed. The method has the advantages that the influence of the helical angle and the contact ratio on the dynamic meshing characteristic is considered in the tooth surface design stage, the actual gear pair transmission error is reduced, and design and manufacturing of the high-performance line contact spiral bevel gear pair are achieved.

This utility model discloses a multi-layer precision gear, relating to the field of gear technology. It includes a gear body, connecting holes, connecting components, positioning components, I-beam grooves, a second nut, and a screw. The connecting hole is located in the middle of the gear body. Multiple connecting components are positioned opposite each other at the top and bottom of the gear body. The positioning components are positioned between two opposing gear bodies. Multiple I-beam grooves are respectively located on the two sides where the gear bodies fit together. The second nut is engaged between two opposing I-beam grooves. The screw is threadedly inserted into the middle of the multiple I-beam grooves. This utility model, through the coordinated arrangement of the connecting components, positioning components, I-beam grooves, second nut, and screw, reduces transmission errors, further suppresses relative slippage between gears, and improves transmission stability. The screw and second nut penetrate the multi-layer gear body, enhancing overall rigidity, preventing loosening during high-speed operation, and reducing noise and wear caused by unstable transmission.