400 results about "Cycloid" patented technology

The invention relates to the technical field of oil field workover treatment, in particular to a rapid blowout wrecking device and method for minor repair operation. According to the technical scheme, a lifting mechanism is installed on workover treatment equipment through a fixing mechanism, a rotary speed reducer is installed at the upper end of the lifting mechanism, a blowout wrecking rotating arm is installed on the upper portion of the rotary speed reducer, the outer end of the blowout wrecking rotating arm is fixedly connected with a fixing base, a turbine is installed in the fixing base, and a rotating short section is installed in the center of the turbine. The lower end of the rotary short section is movably connected with a full-bore plug valve; the worm is installed on one side of the turbine, the worm is driven by the hydraulic cycloid motor to rotate, the worm drives the turbine and the rotary short section to rotate, then the full-bore plug valve is driven to be rotationally connected to an oil pipe of a wellhead, then the switch knob is closed, and blowout wrecking is completed. The full-bore plug valve is installed through mechanical rotation, the follow-up loading function is achieved, potential safety hazards caused by manual installation of the full-bore plug valve are avoided, and rapid blowout wrecking work of blowout is achieved.

The automobile part torsional fatigue test bench comprises a bench body, a driving mechanism is arranged at one end of the top surface of the bench body, a workpiece carrying structure is arranged at the other end of the top surface of the bench body, a force application structure is arranged at the position, close to the driving mechanism, of the top surface of the bench body, and the driving mechanism comprises a driving bin. The end, away from the force application structure, of the driving bin is fixedly connected with a servo motor, and the two sides of the middle of the interior of the driving bin are fixedly provided with a cycloidal-pin wheel speed reduction assembly and a planetary speed reduction assembly correspondingly. The driving mechanism is driven by the servo motor, a huge oil supply hydraulic system does not need to be used, the occupied area is small, the output torsion load can be switched through the cycloidal-pin wheel speed reduction assembly or the planetary speed reduction assembly, the load output through the planetary speed reduction assembly is low, constant loads can be repeatedly applied to a workpiece for a long time, and the working efficiency is improved. The output load of the cycloidal-pin wheel speed reduction assembly is high, destructive testing of the maximum load can be carried out, and two detection modes can be considered.

An electric drill reduction structure and an electric drill. The present invention relates to an electric drill reduction structure and an electric drill, and provides an electric drill reduction structure, wherein the electric drill reduction structure comprises a wheel-type continuously variable transmission and a cycloidal pinwheel reducer. The present invention also provides an electric drill, which has the above-mentioned electric drill reduction structure. The electric drill reduction structure comprises a wheel-type continuously variable transmission and a cycloidal pinwheel reducer, and has the characteristics of a wide speed regulation range, stepless speed regulation, balanced operation, low noise, etc., and overcomes the problems of gear box grease easily flowing out of the shift hole and gear shift jamming in traditional structures. The electric drill equipped with the electric drill reduction structure is far superior to traditional gear box hand drills in terms of speed, torque and impact rate in screwdriver mode. Because stepless speed regulation can be achieved, no matter how much power is required, the user can always adjust the speed ratio of the reduction to make the power motor always operate under the maximum power or highest energy efficiency condition.

The invention discloses a double-cycloid speed reducer belonging to the technical field of speed reducers, which comprises an input shaft, a first cycloid mechanism and an output shaft, and is characterized in that a second cycloid mechanism is arranged between the first cycloid mechanism and the output shaft, the second cycloid mechanism is connected in series with the first cycloid mechanism through a transmission shaft, the transmission shaft is linked with the first cycloid mechanism, and the output shaft is connected with the output shaft. The input shaft rotates to drive the transmission shaft to rotate at a reduced speed through the first cycloid mechanism, and the transmission shaft rotates to drive the output shaft to rotate at a reduced speed through the second cycloid mechanism. The first cycloid mechanism and the second cycloid mechanism are arranged in series through the transmission shaft to form a two-stage speed reduction structure of the speed reducer, large-speed-ratio transmission of the speed reducer is achieved, and low noise, low temperature rise, high bearing capacity and high rigidity of the speed reducer in the operation process are kept.

The invention relates to a hypocycloid mechanism comprising: a shaft (4); a gearwheel (7) rotatable about its center and coupled to the shaft (4); a pinion (8) parallel to the gearwheel (7), the pinion being rotatably mounted on an axle eccentrically passing through the gearwheel (7); a cylinder (1) having a piston (2); a connecting rod (3), one side of which is connected to the piston (2) and the other side of which is rotatably connected to the pinion (8), such that the rotation of the gearwheel (7) and the pinion (8) is associated with the reciprocating movement of the piston (2); at least one bearing-supported stationary part (6) in which the gearwheel (7) is rotatably mounted. The present invention is characterized in that: a fixed member (6) is an annular member provided with teeth on the inner side, and a pinion gear (8) provided with teeth on the outer side and meshing with internal teeth (6 ') of the fixed member (6); the gearwheel (7) is provided with teeth on the outside and is rotatably mounted in the stationary part (6) by means of a bearing (6 '') such that the teeth (6 ') of the stationary part (6) extend over a portion of the thickness of the stationary part, and the stationary part further comprises a toothless surface extending over a portion of the thickness of the stationary part and having a bearing support (6''), a gearwheel (7) having a toothless surface complementary to the bearing (6 '') of the stationary part, the gearwheel (7) being coupled by its teeth (7'') to the shaft (4); the connecting rod (3) has two arms (3a, 3b) extending on both sides of the gear assembly (7, 8) wherein a first arm (3a) is connected to the pinion (8) at a first pivot point (O) on one side of the gear assembly (7, 8) and a second arm (3b) is connected to the pinion (8) at a second pivot point (O) on one side of the gear assembly (7, 8). And the second arm (3b) is connected to the pinion (8) at a second pivot point (O ') on the other side of the gear assembly (7, 8) wherein the orthographic projection of the first point (O) on the plane of the gearwheel (7) and the orthographic projection of the second point (O') on the same plane of the gearwheel (7) are always equal. The invention also relates to an engine and a compressor comprising such a mechanism.

The utility model provides a kind of light six-axis robot belongs to mechanical hand technical field.It solves the problem of slow start, brake and low response speed of six-axis robot in prior art due to its heavy weight.The utility model includes turbine box, driving arm seat, light driving arm, connecting rod, intermediate seat, driving wrist and forepaw assembly, turbine flange is installed at the top of turbine box, driving arm seat is connected and fixed with turbine box by turbine flange, the inside of light driving arm is hollow structure and the both ends of light driving arm are formed with large connecting seat and small connecting seat respectively, large connecting seat is connected with driving arm seat, the both ends of driving arm seat are fixedly connected with cycloidal reducer and servo motor, servo motor extends motor shaft, and motor shaft is connected with connecting rod transmission shaft, connecting rod lower end is connected with connecting rod transmission shaft, connecting rod is set along the direction of light driving arm, and the other end of connecting rod is connected with the bottom of intermediate seat, side plate is formed on the both sides of intermediate seat, and small connecting seat is connected with side plate.The utility model has the advantages of light weight and compact structure.

A single shaft suspension system includes right and left dampers, first and second hydraulic circuits, a first pressurization mechanism in fluid communication with the first and second hydraulic circuits, and a second pressurization mechanism connected in series with the first pressurization mechanism. The first pressurization mechanism is a cycloid pump and provides roll control by generating a pressure difference between the first hydraulic circuit and the second hydraulic circuit, which raises the fluid pressure in the first working chamber of the right damper and the second working chamber of the left damper. Or hydraulic pressure within the first working chamber of the left damper and the second working chamber of the right damper to provide stiffness against roll of the vehicle while turning. The second pressurization mechanism regulates static pressure within the first hydraulic circuit and the second hydraulic circuit by adding hydraulic fluid to and removing hydraulic fluid from the first hydraulic circuit and the second hydraulic circuit.

The invention relates to the technical field of hydraulic motors, in particular to a cycloid hydraulic motor integrating self-lubricating and cooling functions, which can establish an oil return channel inside to smoothly discharge leaked oil, can take away heat and scrap iron generated by friction of a thrust bearing, and can form oil film lubrication between the front end of a shaft and a shell to ensure normal operation of the motor. The motor comprises a motor body, the motor body is provided with a first oil port and a second oil port, the first oil port and the second oil port are communicated with an internal oil duct, an output shaft is arranged in the motor body, and a thrust bearing and a thrust gasket are arranged between the front end of the output shaft and a shell of the motor body. An oil return channel is arranged between the thrust bearing and a shell of the motor body, an oil return through hole communicated with the oil return channel and the in-shaft counter bore is formed in the output shaft, the oil return channel is communicated with the first oil port and provided with a first one-way valve, and the second oil port is communicated to the peripheral face of the front end of the output shaft through an inner flow channel. The oil return channel communicates with the inner flow channel and is provided with a second one-way valve.

The invention relates to the technical field of cycloidal pin gear speed reducers, in particular to a cycloidal pin gear speed reducer assembling method which comprises the following steps that S1, lines are drawn at the same positions of a pair of cycloidal gears for marking; s2, the end cover assembled with the input shaft is laid flat; S3, the first cycloidal gear is placed in a pin wheel housing; s4, the pin gear sleeve is installed in the pin gear housing, and the positioning pin is inserted into the pin gear housing and the pin gear sleeve; s5, a cylindrical roller bearing is installed on an eccentric sleeve, and then the eccentric sleeve is installed in the cycloidal gear; s6, then the other cycloidal gear is put in, the cylindrical roller bearing of the second cycloidal gear is arranged on the eccentric sleeve in a sleeving mode, and the line drawing marks of the two cycloidal gears are staggered by 180 degrees; and S7, then, the positioning pin is pulled out, the gear pin is installed, finally, the output shaft, the machine base and the rear cover are installed, all bolts are tightened, and assembling of the cycloidal pin gear speed reducer is completed. The cycloidal gear has the technical effects that the cycloidal gear can be conveniently mounted, and the possibility of damage to the cylindrical roller bearing is reduced.

A method for winding small and medium-sized coiled rebar is disclosed. The rebar is wound using a horizontal coiled rebar winder. A force-driven clamping wheel mechanism is installed on the slider of the winder. When loaded, the force-driven clamping wheel mechanism clamps and conveys the rebar backward. Two limiting wheels are rotatably installed at the tail end of the rebar guide tube. Behind the limiting wheels is a force-driven and release-enabled rebar pressure bending mechanism. When loaded, the rebar after passing the limiting wheels is bent into an arc shape. The rebar does not rotate before reaching the retractable drum. Before the rebar begins to rotate, the retractable drum is in a retracted state. The force-driven clamping wheel mechanism loads and conveys the rebar backward, while the rebar pressure bending mechanism, after passing the limiting wheels, bends the rebar into an arc shape and winds it onto the retracted drum. When the number of turns of the rebar is greater than or equal to 10, the retractable drum expands, and simultaneously, a motor drives the retractable drum to rotate. This invention improves winding efficiency.

The invention relates to an eVTOL nacelle tilting steering engine based on high reduction ratio transmission and a working method, and relates to the field of electric vertical take-off and landing aircrafts. According to the technical scheme, the design that the double-cycloid speed reducer is combined with the parallel shaft speed reduction gear set is adopted, the wiring harness passing ability problem from the aircraft end to the nacelle is solved, the single-point failure risk that a lead screw of a traditional linear steering engine is stuck is avoided, and the safety and reliability of the steering engine are improved; moreover, depending on the dual-redundancy winding, the dual-redundancy electromagnetic brake and the dual-redundancy rotating speed feedback of the dual-redundancy servo motor, the dual-redundancy design is realized from the electrical level, and the safety performance is further enhanced. In addition, external disturbance can be reduced through high-reduction-ratio transmission, the influence of aerodynamic load disturbance on nacelle actuation is reduced, and the tilting stability is greatly improved.

The invention relates to the technical field of speed reducers, in particular to a cycloidal-pin gear speed reducer for a stirring device, which comprises a supporting seat, a cycloidal-pin gear speed reducer body is fixedly connected to the top of the supporting seat, an oil storage assembly is arranged at the top end of the cycloidal-pin gear speed reducer body, and a damping assembly is arranged at the top of the supporting seat; the oil storage assembly comprises an oil storage pipe, a fixed circular truncated cone, a motor, a movable cover, a plugging plate, a notch, a communicating pipe and a rotating rod. The oil storage pipe fixedly communicates with the top end of the cycloidal pin gear speed reducer body, and the motor is arranged in the top end of the oil storage pipe. According to the device, through a motor, a movable cover, a blocking plate and a notch in the oil storage assembly, the oil injection amount is controlled; the problems of waste of lubricating oil, increase of use cost, increase of running resistance and acceleration of aging of parts caused by excessive oil injection are avoided, and the defects of insufficient lubrication of transmission parts, aggravated part abrasion, shortened service life of equipment and even failure caused by insufficient oil injection are overcome.

This invention belongs to the field of propulsion and control technology for vertical takeoff and landing (VTOL) aircraft, and discloses a cycloidal propeller control mechanism and method for driving trailing edge flap deflection using a dual four-bar linkage mechanism. Based on the traditional single four-bar linkage mechanism used to control the periodic pitch motion of the cycloidal blades, this mechanism adds a four-bar linkage mechanism with a similar structure and principle, specifically designed to independently drive the trailing edge flaps for periodic deflection. By separately setting the pitch eccentricity and pitch eccentricity angle of the pitch control four-bar linkage, and the deflection eccentricity and deflection eccentricity angle of the flap deflection four-bar linkage, the pitch motion of the blades and the deflection motion of the flaps can be independently controlled. Through numerical optimization design, a preset phase difference can be established and maintained between the deflection motion of the flaps and the pitch motion of the blades, and the maximum deflection angle of the flaps is constrained within the target amplitude range, thereby achieving effective improvement and active control of the cycloidal propeller's aerodynamic performance.

The utility model provides a cycloid disc reduction gearbox which is applied to the technical field of reduction gearboxes. The cycloidal disc reduction gearbox comprises a reduction gearbox body, an input shaft is arranged at one end of the reduction gearbox body, a first eccentric block is fixedly installed on the outer wall of the input shaft, a first cycloidal gear is fixedly connected to the outer wall of the first eccentric block, and a second eccentric block is fixedly installed on the outer wall of the input shaft. According to the cycloidal disc reduction gearbox, through the arrangement of the reduction gearbox body, the input shaft, the first eccentric block, the first cycloidal gear, the second eccentric block and the second cycloidal gear, when speed reduction work is conducted, the input shaft rotates, and the rotating input shaft drives the first cycloidal gear and the second cycloidal gear to conduct planetary motion through the first eccentric block and the second eccentric block; when the first cycloidal gear and the second cycloidal gear do planetary motion, the pin can drive the output shaft to rotate through the connecting plate, at the moment, the rotating speed of the output shaft is much lower than that of the input shaft, and speed reduction work is achieved. In this way, the speed reduction effect and maintenance convenience of the cycloid disc reduction gearbox are improved.

The utility model discloses a rear oil inlet DR series cycloid hydraulic motor which comprises a shell and a rear shell, the rear shell is connected with the shell, an output shaft is rotatably arranged in the middle of the shell, a stator and rotor pair is arranged at the joint of the shell and the rear shell, a linkage shaft is arranged at the center in the shell, and a motor is arranged in the linkage shaft. Two sealing oil cavities are formed through the commutator partition plate and the piston, high-pressure oil is distributed through the commutator, the high-pressure oil is continuously led into the oil distribution disc, and the high-pressure oil is continuously led into the oil distribution disc, so that the high-pressure oil is evenly distributed in the oil distribution disc. The rotor in the stator and rotor pair is pushed to rotate, the linkage shaft is driven at the same time, the output rotating speed and torque are output outwards through the output shaft, the output shaft is supported through the high-pressure seal and the heavy-duty bearing, meanwhile, a hole is drilled in the middle of the linkage shaft, the linkage shaft is cooled and lubricated through hydraulic oil in the shell, and the service life is prolonged.

The utility model relates to the technical field of cycloid speed reducers, and discloses a large-torque stable cycloid speed reducer for stirring, which comprises a cycloid speed reducer main body, an output shaft is connected to the middle of the cycloid speed reducer main body, the output shaft penetrates through and is connected with a base, the base is positioned on one side of the cycloid speed reducer main body, and a lifting component is connected to the lower surface of the base. An oil inlet assembly is arranged on the surface of the cycloid speed reducer body. According to the large-torque stable cycloidal speed reducer for stirring, through mutual cooperation of a base, a screw, a nut and a lifting assembly, a worker can start a rotating motor by controlling a power source of the rotating motor, then a threaded rod is driven to rotate, a moving block moves on the threaded rod, and then a supporting rod B is driven to move; according to the cycloid speed reducer, the supporting plate drives the base and the cycloid speed reducer body to move up and down, so that a worker can conveniently adjust the height of the cycloid speed reducer and use the cycloid speed reducer, and after the cycloid speed reducer is used for a long time, the cycloid speed reducer cannot deviate.

The present application relates to the technical field of cycloidal wheel processing control, and specifically to an efficient processing method and device for a cycloidal wheel of a reducer based on a processing machine tool. The method comprises: obtaining processing data during the cycloidal wheel processing process and performing preprocessing; preliminarily determining whether chatter occurs by analyzing the periodic changes in cutting depth and the periodic fluctuations in cutting force under different temperature changes; and combining vibration, current, and cutting force data to assess the likelihood of chatter occurrence; utilizing the likelihood of chatter occurrence, classifying the processing data through cluster analysis to screen out high-quality processing data and defective processing data; and employing a dragonfly optimization algorithm to optimize the initial position distribution of the algorithm using the high-quality processing data and defective processing data, and solving for the optimal cutting speed as the cutting speed during the current cycloidal wheel processing process. The present application aims to comprehensively analyze chatter phenomena through multi-dimensional processing data to improve the overall processing efficiency during the current cycloidal wheel processing process.

The invention discloses a cycloidal gear tooth profile three-section modification method. The cycloidal gear tooth profile is divided into a tooth root section, a meshing area section and a tooth top section; according to the thickness of the lubricating oil film, the modification gap at the tooth root is obtained, and according to the contact deformation at the tooth crest, the modification gap at the tooth crest is obtained; and by taking the return difference and the minimum contact stress in the dynamic transmission chain precision interval as boundary conditions, the modification clearance of the meshing area is obtained, the modification clearances at the tooth root, the meshing area and the tooth top are combined, and the tooth profile of the cycloidal gear is obtained according to the modification clearance curve. Different modification gaps can be designed according to different return differences and dynamic transmission chain precision intervals. A cycloidal gear tooth profile with controllable return difference and dynamic transmission chain precision and minimum contact stress when lubrication and stable and uniform meshing of a gear pair are considered can be obtained; the method is a modification method with higher precision.

The application discloses a screw motor stator-rotor linear optimization method for directional drilling, relates to the technical field of directional drilling of oil and natural gas, and comprises the following steps: according to the design requirements of a screw motor for directional drilling, design parameters of an eccentricity, a rotor head number, a stator head number, a base circle diameter and a theoretical equidistance radius are determined, and an initial linear data set containing discrete data points is generated based on an internal or external cycloid equation; a non-uniform rational B-spline method is used to perform curve reconstruction on the initial linear data set, local fairing treatment is performed on regions with curvature mutations by adjusting control point weight factors and node vectors of the non-uniform rational B-spline curve, and a smooth linear parameter model is generated; and based on the smooth linear parameter model, a thermodynamic coupling simulation model based on a rubber viscoelastic constitutive relation is established to simulate periodic plunger movement of the screw motor under a rated working condition.

This invention discloses a water outlet assembly, including a main body with a cavity inside. The water inlet of the main body is connected to the cavity. A drive structure and a water outlet component are arranged sequentially in the direction of water flow within the cavity. The drive structure includes an impeller, a cycloidal wheel, and a transmission component, with the impeller and cycloidal wheel eccentrically positioned. A drive shaft is located below the cycloidal wheel to drive the transmission component to rotate. The transmission component drives the water outlet component to rotate. The water outlet component has an outlet that can discharge sheet-like water, allowing the sheet-like water to rotate and discharge, increasing the water flow rinsing range and improving the rinsing and showering effect without any jamming sensation.

The utility model relates to the technical field of hardness detection, and discloses a cycloidal gear speed reducer driving shaft hardness detection device, which comprises a detection table, the outer side of the detection table is fixedly connected with a linear transmission assembly, the top end of the linear transmission assembly is fixedly connected with a movable plate, the top end of the detection table is fixedly connected with a fixed plate, and the movable plate is fixedly connected with the fixed plate. Bearing plates are fixedly connected to the top ends of the fixed plate and the movable plate, rotating shells are rotatably connected to the inner sides of the bearing plates, clamping assemblies are fixedly connected to the inner sides of the rotating shells, a rotating assembly is fixedly connected to the outer side of the rotating shell on the right side, and a fixed frame is fixedly connected to the top end of the detection table. The cycloidal gear speed reducer driving shaft hardness detection device has the advantages that the position of the cycloidal gear speed reducer driving shaft can be conveniently fixed, the detection effect of the cycloidal gear speed reducer driving shaft is improved, the cycloidal gear speed reducer driving shaft can be subjected to multi-point detection, and the hardness detection accuracy is improved.

The utility model discloses a special winding machine for a wind power coil, which comprises an electric rotary table, a feeding reduction gearbox body is arranged at the top of the electric rotary table, an alternating current cycloidal pin gear speed reduction motor is arranged outside the feeding reduction gearbox body, a worm is arranged in the feeding reduction gearbox body, and the worm is fixed with the driving end of the alternating current cycloidal pin gear speed reduction motor; a worm gear and a gear a are arranged above the worm and in the feeding reduction gearbox body, the worm gear and the gear a are coaxial, and the worm gear is meshed with the worm; a supporting seat is arranged at the top of the feeding reduction gearbox body, a transmission shaft is arranged in the supporting seat, and a gear b meshed with the gear a is fixed on the transmission shaft; a special winding die is arranged above the supporting seat, a connecting plate is fixed on the transmission shaft, and the connecting plate is fixed with the bottom of the special winding die; a pay-off roller frame is arranged on one side of the electric rotary table, and three sets of roller frames playing a role of angle guide accessories are installed on the top of the pay-off roller frame. According to the utility model, the wound coils are stacked neatly and uniformly and have the same curvature, and the deformed surfaces of the coils are not damaged.

The invention discloses a composite structure phasing cycloid type oil-free crossed roller guide rail, and belongs to the technical field of crossed roller guide rails, the composite structure phasing cycloid type oil-free crossed roller guide rail mainly comprises a rotating ring, a sealing ring, a first positioning ring and a second positioning ring, and a V-shaped track groove is formed in the middle of the face, facing the first positioning ring and the second positioning ring, of the rotating ring; a pin mounting cavity is formed in the face, away from the V-shaped track groove, of the rotating ring, and pin tooth structures are distributed in the pin mounting cavity in the circumferential direction. Through the arrangement of the rotating ring, the first positioning ring, the second positioning ring, the rotating ring, the roller, the pin needle mounting cavity, the pin needle, the pin shaft driver and the V-shaped track groove, driving and guiding are coaxially integrated, assembly eccentricity and back clearance are eliminated, zero accumulative error and high repeated precision are achieved through the phasing cycloid structure, self-lubricating metal is matched with engineering plastic, complete oil-free operation is achieved, and the service life of the motor is prolonged. And due to the composite pin tooth structure of the pin shaft and the pin needle, friction, noise and heat productivity are reduced, and durability is improved.

The invention discloses a universal cycloid spindle blade rotor lifting device, and relates to the technical field of unmanned aerial vehicles. The universal cycloid spindle paddle rotor wing lifting device comprises a shell, a main shaft, a main taper sleeve, a main paddle, an auxiliary paddle and a universal adjusting mechanism. The universal adjusting mechanism comprises a conical fluted disc, a paddle connecting shaft, a driven bevel gear, an electromagnetic telescopic sleeve A, an electromagnetic telescopic sleeve B and a driving control module; the main paddle and the auxiliary paddle are installed at the two ends of the paddle connecting shaft, each paddle is of a spindle-shaped structure with the surface being a cycloid curved surface, the middle of each paddle is thickened, and the edge of each paddle is provided with a flow guide edge protruding outwards. The driving control module controls the two groups of electromagnetic telescopic sleeves to synchronously push and pull to force the paddle connecting shaft to axially translate so as to drive the driven bevel gear to be instantly meshed with or separated from the bevel gear disc on the main shaft; transient micro-adjustment of the attack angle of the blade is achieved through a pure mechanical structure of rigid meshing of the electromagnetic clutch and the gear, the cycloid gradual change pneumatic curved surface is matched, response delay is effectively overcome, blade tip vortex is restrained, and the anti-crosswind stability and the heavy load structure rigidity under complex turbulence are improved.

The utility model discloses a kind of tool of inclination test swing distance measurement, wherein, tool of inclination test swing distance measurement includes pendulum and guide pipe, pendulum and guide pipe are connected by first cycloid, level pointer is provided on guide pipe, the pointing direction of level pointer is perpendicular to the central axis of guide pipe;Tool further includes test box body, test box body is provided with test liquid, upper cover is provided with guide port, the edge of guide port is provided with scale, pendulum can enter test box body inside via guide port, until being completely immersed by test liquid, at this time, level pointer and scale overlap intersection, when test box body is inclined, level pointer and scale can read out swing distance.The tool of inclination test swing distance measurement can accurately read swing distance, solve the problem of inaccurate measurement according to cycloid offset distance directly in traditional method, when testing, pendulum is completely immersed by test liquid, and damping effect makes measurement more stable.

The application discloses a low-abrasion cycloid reduction joint module for a robot and relates to the technical field of robot joint modules.The low-abrasion cycloid reduction joint module comprises a motor, a backing plate and a swing reduction assembly, the motor and the swing reduction assembly are both mounted on the backing plate, the motor output shaft drives the swing reduction assembly input shaft, the swing reduction assembly comprises a shell fixed on the side of the backing plate, a pad, a pin gear pin assembly, a low-speed output assembly and a cycloid wheel input assembly are coaxially arranged in the shell, the pin gear pin assembly is arranged outside the cycloid wheel input assembly, the cycloid wheel input assembly pushes the pin gear pin assembly to contract along the axial direction after being axially extruded, and the pin gear pin assembly comprises a plurality of bending plates arranged along the axial direction, and metal rings are connected between the coaxial bending plates.The application can enhance the support capacity of the joint module to the axial external force, reduce the possibility of damage of the output shaft when the joint module is subjected to external axial collision, and thus improve the ability of the joint module to cope with the axial external force.

The utility model relates to technical field of hydraulic system especially relates to a cycloidal hydraulic motor with brake mechanism. A cycloidal hydraulic motor with brake mechanism, include: rotation stator pair, rotation stator pair includes eccentric engagement's outer stator and inner rotor, the inner circumference of inner rotor forms and has inner taper face, brake cylinder, brake cylinder is axially sliding assembly, brake cylinder's one end near inner rotor forms and has outer taper face, when brake cylinder slides towards inner rotor, brake cylinder's outer taper face and inner taper face taper face cooperation of inner rotor with brake. Solve the technical problem of the prior art in the cycloidal hydraulic motor's brake structure complex, the big installation space, lead to the axial dimension of motor increase.

The invention relates to a precision self-adaptive control system for a high-torque-density cycloid speed reducer joint, and belongs to the technical field of robot joint driving and control. The method comprises the steps that a robot joint is driven to reach a designated position through a communication device and a positioner, and collected joint posture data are transmitted to a main control device; through a joint encoder equipped on an angle driving framework, attitude data during equipment movement are analyzed based on the joint encoder, and precision self-adaptive adjustment in the joint angle direction is carried out according to the input attitude data; calculating the actual deviation between the cycloid speed reducer and the target joint through a backlash deviation model; based on the actual deviation, a motor is controlled to drive the framework to move in combination with the corresponding initial compensation parameters; and real-time precision evaluation is carried out on the collected joint postures through a precision evaluation framework, and the optimal compensation position and related posture data are recorded after the evaluation is passed. Under the same output capacity, the small size, the small weight and the large output torque are achieved.

The invention relates to the technical field of precise speed reducer manufacturing, and discloses a cycloidal gear tooth surface flexible modification method based on multi-parameter dynamic compensation, which comprises the following steps: establishing an elastic deformation calculation model based on a Hertz contact theory and dynamic load characteristics, and introducing contact rigidity, a dynamic coefficient and a rotating speed index to correct deformation; constructing a thermal deformation compensation model based on a thermal-mechanical coupling theory, and considering a material thermal expansion coefficient, a working temperature rise and a rotating speed influence factor; a modification curve is constructed by adopting a third-order Fourier series, and flexible regulation and control of the tooth surface profile are realized by optimizing a coefficient proportional relation; and a manufacturing error self-adaptive matrix is constructed based on measurement data of the laser interferometer, and the exponential attenuation function is adopted to distribute the compensation amount, so that the accurate regulation and control of the tooth surface microscopic contour are realized. According to the joint reducer, the contact stress can be reduced by 14% or above, the transmission return difference is controlled within 0.52 arcmin, the service life is prolonged to 66000 hours, and the requirements for high precision and high reliability of the joint reducer of the industrial robot are met.

A cycloid rotor pump for a hybrid electric vehicle gearbox comprises an input shaft, one end of the input shaft is fixedly connected with an engine, the other end of the input shaft is fixedly connected with a transmission shaft, the input shaft and the transmission shaft are of an integrated structure and are coaxial, and a first bearing is arranged at the front end of the middle section of the input shaft. A second bearing is arranged at the rear end of the input shaft, a plurality of input shaft through holes are formed in the circumference of the middle of the input shaft, the first bearing and the second bearing are in clearance fit with the input shaft, an inner rotor is arranged at the rear end of the transmission shaft, the outer wall of the inner rotor is meshed with an outer rotor, and an end cover is arranged on the outer wall of the outer rotor. And an oil inlet and an oil outlet are formed in the bottom of the end cover. The cycloid rotor pump is small in size and low in cost, and has great influence on the performance of the whole cooling system of the hybrid electric vehicle gearbox.