16205 results about "Reducer" patented technology

An actuator, relating to the technical field of robots. The actuator comprises: a speed reducer shell (1), a planetary speed reducer (2) and an output-end supporting bearing (3), wherein the speed reducer shell (1) is provided with a connecting flange (101) and a connecting section (102), which is located on an inner side, the planetary speed reducer (2) is provided with a ring gear flange (2011) located on an outer side of a ring gear (201), the ring gear flange (2011) is arranged on one side of the connecting section (102), and the output-end supporting bearing (3) is arranged on the other side of the connecting section (102) and is connected by means of a fastener; an electric-motor rotor (4) and an electric-motor output shaft (5), the electric-motor rotor (4) being arranged on an outward extension portion of the electric-motor output shaft (5), and the electric-motor output shaft (5) being fixedly connected to an input end of the planetary speed reducer (2); and an electric-motor housing (6) and an electric-motor stator (7), wherein the electric-motor housing (6) is provided with a connecting end (601), the electric-motor stator (7) is arranged in the electric-motor housing (6), and the connecting end (601) is fixedly connected to the connecting flange (101).

The invention provides a self-adaptive anti-backlash planetary gear reducer and a working method thereof. The self-adaptive anti-backlash planetary gear reducer comprises an input shaft and a shell. An electromagnet coil, an electromagnet, a sliding block seat, a supporting seat, a sun gear and a second inner gear ring sequentially penetrate through one end of the input shaft from one end to the other end; the side, away from the input shaft, of the second inner gear ring is connected with an output shaft. A planet carrier is slidably arranged on the supporting seat in the radial direction, a first planet gear and a second planet gear are coaxially arranged on the planet carrier, a first inner gear ring is arranged on the inner side of the shell, and the sun gear, the first planet gear and the second planet gear are engaged with the first planet gear, the first inner gear ring and the second inner gear ring correspondingly; the electromagnet is fixed to the sliding block base, the sliding block base, the supporting base and the second inner gear ring are all rotationally connected with the input shaft, and the sliding block base can slide on the input shaft in the axial direction. And the sliding block seat is hinged with the planet carrier through a connecting rod. The speed reducer is simple in structure, has the self-adaptive anti-backlash capability, and can realize self-adaptive real-time elimination of the transmission backlash.

The invention relates to the technical field of drill rod loading and unloading, and discloses a drill rod loading and unloading method for a drilling machine, which comprises a rotary speed reducer, a rotary arm, a turnover device, a clamping device and a drill rod box which are connected in sequence, and further comprises a swing mechanism and a transportation device, the transportation device is arranged at the upper end of the drill rod box, and the swing mechanism is arranged between the turnover device and the clamping device; the rack is provided with a first proximity switch, the rotary arm is provided with a first arc-shaped block and a second arc-shaped block, the support is provided with a second proximity switch and a third proximity switch, the turnover device is provided with a signaling block, and the rotary arm is provided with a receiver. The transporting device is arranged at the upper end of the drill rod box, so that the overall width of the drilling machine is reduced, meanwhile, the swinging device is matched to enable the drill rod clamped by the clamping device to swing into the clamping device above the rack, the moving distance of the drill rod in the axis direction of the rack is reduced, and then the length of the rack is reduced; the drilling machine can work in the environment of a narrow roadway of an underground coal mine, and the applicability of the drilling machine in different environments is improved.

The invention relates to an integrated oil cooling hub speed reduction electric wheel which comprises a motor, a planetary gear speed reducer and a bearing system which are arranged in the axial direction, and the planetary gear speed reducer is arranged in the motor and integrated with a brake. The bearing system comprises a rotor supporting bearing used for supporting a motor rotating system and a hub bearing used for supporting a wheel rotating system, the motor, the planetary gear reducer and the rotor supporting bearing are designed in an integrated oil cooling mode, and cavities where the motor, the planetary gear reducer and the rotor supporting bearing are located are communicated with one another. Cooling liquid cools and lubricates the motor, the planetary gear reducer and the rotor supporting bearing at the same time. Compared with the prior art, the electric wheel is compact in structure, the number of sealing pieces of the electric wheel can be reduced on the premise that the electric wheel has good structural rigidity, the axial size of an electric wheel assembly is reduced, and the electric wheel has the advantages of being good in cooling effect and easy to maintain.

The invention provides a helical gear speed reducer fault diagnosis method under intelligent monitoring, and relates to the technical field of fault diagnosis, and the method comprises the steps: obtaining real-time operation parameters of an inclined logistics conveyor belt, carrying out the load state evaluation of a helical gear speed reducer, configuring a first monitoring frequency and a first monitoring index number based on a load scale, activating a first sensing device, and carrying out the fault diagnosis of the helical gear speed reducer; monitoring is carried out according to the first monitoring frequency to obtain a first fault risk coefficient, if the first fault risk coefficient exceeds a first fault risk threshold, the sensing monitoring array is activated to obtain a second fault risk coefficient, and if the second fault risk coefficient exceeds a second fault risk threshold, the acousto-optic early warning device is activated to send out an early warning signal to carry out fault early warning. The technical problem of low fault diagnosis efficiency and accuracy caused by the lack of real-time monitoring and intelligent diagnosis means of the helical gear speed reducer in the prior art is solved. The technical effects of monitoring the running state of the helical gear speed reducer in real time and improving the fault diagnosis efficiency and accuracy are achieved.

The present application relates to a pile driver and a pile driving method with less wear on drill rods, and relates to the technical field of building construction, and comprises a main frame, a winch is arranged on one side surface of the main frame, a steel cable is wound on the drum of the winch, a top frame is welded on the top of the drill rod bracket, one end of the steel cable extends upward through a pulley and is connected to a drive box through a lifting ring, a motor frame is arranged in the middle of the drive box, a drive motor is connected to the center of the motor frame through bolts, the bottom drive of the drive motor is connected to a reducer, and the bottom output end of the reducer is connected to a buffer mechanism through the drive box, and the buffer mechanism comprises a connecting tube, a rebound tube, a coupling joint, a strip groove, a slider, a damping rod, a support spring and an auxiliary spring; the present application significantly reduces the wear of the drill rod during the construction process by using a high-strength, wear-resistant alloy material to make the drill rod, performing special treatment, and arranging a buffer mechanism and a guide mechanism.

The utility model discloses an integrated joint motor, which comprises a speed reducer assembly, a motor assembly, a shell and a driver assembly, the motor assembly and the driver assembly are both arranged on the shell, a center wheel is arranged in the middle of the motor assembly, a containing part is arranged on the outer side of the center wheel, the speed reducer assembly is coaxially arranged in a containing cavity and meshed with the center wheel, and the integrated joint motor is compact in structure, large in transmission ratio, large in torque output and small in mass size.

The invention is suitable for the technical field of fault detection, and provides a fault detection method and device for a joint module and electronic equipment. The joint module comprises a motor, a speed reducer connected with the motor, a first encoder arranged between the motor and the speed reducer, and a second encoder arranged at the output end of the speed reducer. The fault detection method comprises the following steps: identifying a position difference between a rotor of the motor and an output shaft of the speed reducer based on the first encoder and the second encoder; and according to the position difference and a preset difference threshold value, whether the joint module has a fault or not is determined, and the difference threshold value is associated with the gear meshing clearance of the speed reducer. According to the embodiment of the invention, whether the joint module has a fault or not can be accurately detected.

Disclosed is an assembly for a turbomachine comprising: ⋅—a second connection element (8) having a third end (81) which is connected to a turbine shaft (2) and is mounted on a second bearing (5), and a fourth end (82) connected to a mechanical transmission device (6), the second connection element (8) having a second radial compliance (SR2); and ⋅—a third connection element (9) having a fifth end (91) fixedly mounted on a casing (1), and a sixth end (92) connected to the mechanical transmission device (6), the third connection element (9) having a third radial compliance (SR3), wherein a ratio of the first radial compliance (SR1) to the third radial compliance (SR3) is strictly lower than 10% and / or a ratio of the first radial compliance (SR1) to the second radial compliance (SR2) is strictly lower than 4%.

The invention relates to the technical field of screening, and discloses an iron ore powder and antifreezing agent mixed screening device which comprises a rack, and the surface where the top of the rack is located is inclined; a first bearing seat is mounted on the rack, a roller with a rubber wheel surface is rotationally connected to the first bearing seat, a universal coupling is connected to the shaft end of the roller, a shaft rod is connected to the other end of the universal coupling, a speed reducer arranged on a second supporting seat is connected to the free end of the shaft rod, and the second supporting seat is connected with the rack; the speed reducer is driven by a first motor arranged on the rack, and the first motor and the speed reducer transmit power through belt transmission; a drum screen assembly used for improving the mixing uniformity of the iron ore powder and the anti-freezing agent is connected to the rolling wheel in a rolling mode, and mixed materials are discharged from screen holes of the drum screen assembly. Mixing, screening, conveying and cleaning are integrated, mixing uniformity is high, screening efficiency is excellent, operation and maintenance are convenient and fast, and the requirement for mixing and screening of iron ore powder and an anti-freezing agent is met.

The invention relates to the technical field of testing, in particular to electric connector joint testing equipment which comprises a testing table and a digital display control panel, a mounting cavity and a testing cavity are formed in the testing table, and two clamping structures are arranged in the testing cavity. A second electric telescopic rod capable of driving one of the clamping structures to move in the test cavity is arranged in the test table, and an eccentric connecting rod driving mechanism capable of driving the other clamping structure to move in the test cavity in a reciprocating manner is arranged in the mounting cavity; the eccentric connecting rod driving mechanism can simulate the plugging action of an electric connector joint through the transmission of a rotating motor, a speed reducer, a turntable, a connecting rod and a driving shaft; the pressure sensor monitors the plugging force in real time, the vibration motor simulates the vibration working condition, the performance of the electric connector joint in actual use can be tested more comprehensively, the deviation adjusting structure can adjust the position of the driving head end of the driving shaft, tests in different deviation states are simulated, and the accuracy and authenticity of the tests are further improved.

The invention relates to the technical field of spline machining, in particular to a spline machining device and method for an eccentric shaft of a speed reducer, and the method comprises the steps that the amplitude-frequency difference between all cutting force data and all vibration data in a frequency domain and the correlation between all cutting force data and all temperature data within a preset duration before all moments are analyzed; determining a cutting risk value; comprehensively analyzing a cutting risk value, an energy ratio, a dominant frequency amplitude difference between all vibration data and all cutting force data in a frequency domain and a change relation of a cutting related index along with the machining quality in a preset period before the current moment, predicting a machining quality score to determine a machining instability index, and combining the energy ratio and the machining quality score to determine the machining instability index. And determining a main shaft rotating speed correction value and a cutter feeding amount. The problem of compensation failure of traditional PID control is solved, the spline machining quality is improved, and the service life of a workpiece is prolonged.

A two-way oil-collecting reducer and an electric vehicle. The reducer includes an input gear, an intermediate gear set, an output gear, and an oil sump, and the oil sump includes a radial sump opening and a circumferential sump opening. An orientation of the radial sump opening is away from the intermediate gear set along a radial direction of the intermediate gear set. An orientation of the circumferential sump opening faces the output gear along a circumferential direction of the intermediate gear set. The radial sump opening and the circumferential sump opening are formed at the oil sump, so that the oil sump can collect lubricating oil churned by a gear train when the input gear drives, via the intermediate gear set, the output gear to rotate forward or reversely, to increase an amount of lubricating oil collected by the oil sump.

The joint module comprises a motor and a harmonic reducer, the motor comprises a shell, a stator assembly and a rotor assembly, the shell comprises an outer shell and an inner oil cavity, a first oil port and a second oil port are formed in the two ends of the inner oil cavity respectively, the stator assembly is fixed to the inner side of the inner oil cavity, and the rotor assembly is fixed to the outer side of the inner oil cavity. The rotor assembly comprises a rotating shaft and a rotor hub arranged on the rotating shaft, the rotor hub comprises an inner shell and an outer shell, the inner shell and the outer shell are fixed through a connecting piece, an oil stirring channel is formed, the harmonic reducer comprises a wave generator, a flexible gear, a supporting bearing outer ring and a supporting bearing inner ring, and the rotating shaft is connected with the wave generator. The wave generator drives the flexible gear to deform, the flexible gear is fixed to the rear end cover, the outer ring of the supporting bearing is fixed to the rear end cover, and a gear ring is arranged on the inner wall of the inner ring of the supporting bearing and is in staggered tooth transmission with the flexible gear. Oil liquid is in direct contact with a stator heating source, the stator heat dissipation efficiency is improved, the rotor hub drives the oil liquid to flow, and the heat exchange efficiency is improved.

Provided is an electric heavy-load push-pull tool including a power input unit, a power conversion unit and a power output unit. Through the transmission design of multiple stages of reducers and a planetary roller screw of a downhole operation tool, low-speed and high-torque power output of the motor is realized. The heavy-load push-pull tool provided by the present disclosure can not only provide large-torque thrust force, but also provide large-torque pulling force. A forward direction of a transmission nut is based on a rotation direction of a motor. By controlling the forward rotation or reverse rotation of a transmission shaft of the motor, the forward or backward movement of an operation tool can be realized at low cost through power transmission.

The utility model relates to the technical field of driving modules, and provides an electric curtain driving module aiming at the condition that the output torque of a driving belt pulley, directly driven by a motor, of a traditional electric curtain is limited, the electric curtain driving module comprises a driving box and a power box, and the power box is located at the bottom of the driving box; a driving belt pulley is rotationally connected into the driving box; a driving motor and a gear reducer are arranged in the power box; the output end of the driving motor is in driving connection with the input end of the gear reducer; the input end of the gear reducer is in driving connection with the driving belt pulley through a transmission assembly; the power box is connected with the driving box through a connecting assembly. The effect of improving the output torque of the driving belt wheel is achieved.

The invention provides a harmonic joint. The harmonic joint comprises a joint shell and a speed reducer assembly. A first limiting ring groove is formed in one end of the inner peripheral wall of the joint shell; the speed reducer assembly is arranged in the joint shell and comprises a rigid wheel and a rolling body. A second limiting ring groove corresponding to the first limiting ring groove in position is formed in the peripheral wall of the rigid wheel, and the second limiting ring groove and the first limiting ring groove form a limiting ring cavity. The rolling body is arranged in the limiting ring cavity, and the rolling body, the peripheral wall of the rigid wheel and the peripheral wall of the joint shell jointly form a rolling bearing structure.

A coaxial electric drive axle comprises an electric drive assembly and an electric drive axle housing, the drive assembly comprises a housing, a motor, a speed reducer gear set and a differential mechanism, the motor, the speed reducer gear set and the differential mechanism are arranged in the electric drive axle housing of an integrated structure, the electric drive axle housing comprises a main axle housing and a rear cover, the main axle housing is provided with a mounting cavity, the rear side of the main axle housing is connected with the rear cover, and the front side of the main axle housing is connected with the housing. The shell is provided with a stator fixing plate, a motor stator is fixed on the stator fixing plate, a motor shaft, an intermediate shaft and a differential mechanism are supported on the shell through bearings, the motor shaft is connected with the differential mechanism through a speed reducer gear set, the shell is connected with a main axle housing, and the motor, a primary driving gear, a secondary driven gear and the differential mechanism are arranged in a main axle housing mounting cavity. The motor shaft is a hollow shaft, one end of the left-end half shaft penetrates through the motor shaft to be connected with a differential mechanism left half shaft bevel gear, and one end of the right-end half shaft is connected with a differential mechanism right half shaft bevel gear.

The invention provides a cam, a wave generator and a harmonic reducer, the cam comprises a cam body, grooves are formed in the circumferential side face of the cam body, and the grooves are continuously or intermittently distributed in the circumferential direction of the cam body; the length of the cam body in the axial direction is H, the width W of any groove in the axial direction of the cam body meets the condition that W / H is larger than or equal to 0.15 and smaller than or equal to 0.3, and after the cam is matched with the flexible bearing, buffer spaces capable of providing elastic deformation and absorbing vibration are formed in the grooves. According to the harmonic reducer, the cam with the groove and the width meeting the design range is designed and constructed in the peripheral side face, the balance weight of the cam is reduced, the contact area between the cam and the flexible bearing is reduced, in the operation process of the harmonic reducer, a buffer space for providing elastic deformation and absorbing vibration can be formed in the groove with a certain span in the axial direction, and the service life of the harmonic reducer is prolonged. Load distribution of the harmonic reducer in the operation process is more uniform, and high-speed, low-noise and small-vibration operation of the harmonic reducer is facilitated.

A contra-rotating coaxial rotor assembly relating to aerial, as well as aquatic vehicles, comprising a central member, a first and second rotor assembly disposed thereon with a contra-rotating gear assembly coaxially disposed there between. The contra-rotating gear assembly comprising at least one gear operationally coupled to the first rotor assembly, at least one gear operationally coupled to the second rotor assembly, a collar having at least one protrusion, and at least one cogwheel affixed thereto. Each rotor assembly comprising a bearing, at least one length of mast, a rotor disposed along said length of mast, and a friction-reducer operationally engaged to the contra-rotating gear assembly. The second rotor assembly further comprising at least one power translation cogwheel operationally engaged with at least one power transmission cogwheel, which is itself connected to and driven by the output shaft from the engine.

The invention discloses a double-stator single-rotor planetary reduction type joint module which comprises a hollow shaft, a driver assembly, an axial magnetic flux motor, a planetary reducer and an output shaft, and the driver assembly, the axial magnetic flux motor and the planetary reducer are sequentially arranged on the hollow shaft in the axial direction; the axial magnetic flux motor comprises a rotor assembly and two stator assemblies. The two stator assemblies are symmetrically arranged on the two different sides of the rotor assembly in the axial direction. The rotor assembly comprises a rotor supporting plate and a plurality of magnetic steels, and the plurality of magnetic steels are circumferentially distributed on the rotor supporting plate; the stator assembly comprises a stator iron core and a plurality of stator windings, the stator iron core comprises a yoke part iron core and a plurality of tooth part iron cores, and each stator winding is wound on the corresponding tooth part iron core. According to the joint module, wiring can be facilitated, the integration level can be improved, the torque density of the joint module is effectively improved, and the heat dissipation performance is good.

The invention relates to a directional deflection diagonal plane deflection joint with a single driving source, which belongs to the technical field of deflection mechanisms capable of moving in multiple dimensions and comprises a first clutch, a second clutch, a transmission shaft, a clutch supporting structure, a planetary gear train, a planetary gear train transmission structure, a speed reducer, an upper diagonal plane mechanism, a lower diagonal plane mechanism, a universal joint, a driving motor and a bearing. Through the cooperation of different clutches, the upper part and the lower part of the joint can rotate in different directions and at different speeds or move in the same way, through the movement of different parts, the deflection action of the system in space is realized, the multi-dimensional movement space of the mechanism is realized, the number of driving sources is reduced, and the total weight of the system is further reduced.

The invention relates to a badge cover body and buckle pin combining device which comprises a rack, a cover body conveying mechanism, a buckle pin conveying mechanism, a bending mechanism and a control system, a rotating cylinder and a rotation driving mechanism for driving the rotating cylinder to rotate are rotationally arranged on the rack, and a plurality of station grooves evenly distributed around the center of the rotating cylinder are concavely formed in the circumferential side face of the rotating cylinder; the rotating driving mechanism is a matching structure of a servo motor and a speed reducer, the cover body conveying mechanism, the buckle pin conveying mechanism and the bending mechanism are all located on the rotating path of the rotating cylinder and are sequentially distributed in the rotating direction of the rotating cylinder, and the cover body conveying mechanism is used for conveying cover bodies into the station grooves; the buckle pin conveying mechanism is used for buckling a buckle pin into a metal bending sheet of a cover body, the bending mechanism is used for bending the metal bending sheet after the buckle pin is sleeved with the metal bending sheet, manual operation is replaced by a machine, the buckling efficiency of the buckle pin and the cover body in batch machining is high, the product yield is high, and the production efficiency is high. And automatic production is beneficial for saving labor cost of enterprises.

The invention discloses a self-balancing type light steering wheel for complex terrains. The self-balancing type light steering wheel comprises a wheel carrier, a steering assembly, a driving assembly and a suspension system. The steering assembly drives tires to steer through a motor via a three-stage gear pair. The driving assembly drives tires through a motor and a speed reducer; the suspension system is connected between the driving mounting plate and the wheel carrier and comprises a parallel connecting rod mechanism and symmetrically arranged spring suspension units, self-adaptive buffering is achieved through a compression spring and a fisheye knuckle bearing, and it is ensured that the tire continuously touches the ground on a rugged road surface; the driving speed reducer is integrated in the tire, the driving motor is arranged between the wheel carrier and the tire, and the whole steering assembly does not exceed the turning radius of the tire. The device is compact in structure, has good terrain adaptability and motion stability, and is suitable for an outdoor mobile robot system.

The utility model discloses a premixing tank for carbon nano tube conductive slurry, which comprises a cooling jacket, a kettle body is arranged in the cooling jacket, a stirring support, a liquid feeding hole, a powder feeding hole and a spraying ball assembly are arranged at the upper part of the kettle body, a stirring device is arranged in the kettle body, the stirring device comprises a low-speed helical ribbon stirrer and a high-speed shearing stirrer, a stirring shaft of the high-speed shearing stirrer penetrates through a hollow shaft of the low-speed helical ribbon stirrer and is directly connected with the high-speed driving motor, and the hollow shaft of the low-speed helical ribbon stirrer is driven by the low-speed driving motor and the speed reducer. The premixing tank solves the problems of agglomeration of carbon nanotube powder, inconsistent upper and lower uniformity, material adhesion on the kettle wall, uneven overall temperature and the like in the existing mixing tank, effectively avoids uneven mixing caused by long-term adhesion of the material on the kettle wall, can scrape off the material adhered on the kettle wall when discharging the material, reduces material residues, and improves the production efficiency. And the device can be widely applied to mixing occasions of carbon nanotubes and other slurries.

The invention provides a robot joint module in the technical field of robot manufacturing. The robot joint module comprises a motor assembly, a harmonic speed reducer assembly and an encoder assembly. The double-rigid-gear harmonic speed reducer and the outer rotor motor are adopted, the motor is embedded into a flexible gear of the harmonic speed reducer, the axial length of the joint module is effectively shortened, and the radial size is reduced; the motor rotor is elliptical and is in contact with the inner ring of the flexible bearing, and the outer ring of the flexible bearing is in contact with the inner ring of the flexible gear of the harmonic speed reducer, so that the motor rotor shell and the flexible bearing jointly serve as a harmonic generator, and meanwhile, the motor stator shell and the harmonic speed reducer shell are integrally designed, so that the number of parts is reduced; the rotor end cover, the rotor rotating shaft, the output flange and the output shaft are all integrally designed into hollow shafts, and the output hollow shaft of the output flange is arranged in the rotor hollow shaft, so that cables can be arranged in the module. The integrated design of motor parts and harmonic reducer parts has the cost advantage in the aspects of manufacturing and maintenance.

Two-wheeled vehicles, suspension linkages, and reducer and extender bodies therefor are disclosed. A two-wheeled vehicle suspension can include a links movably joined together, including a suspended body and a rear frame and defining a suspension linkage; a shock including first and second primary mounting features and defining a primary mounting length therebetween; and a reducing body coupled between the shock and the links. The shock can be operably coupled at the first and second primary mounting features between at least two links and can define a dynamic performance of the rear frame with respect to the suspended body when actuated between a first configuration and a second configuration. The reducing body can be coupled to the first primary mounting feature and one of the two links and can reduce the primary mounting length by a reduction length.

The invention relates to an electric drive assembly and a vehicle, and belongs to the technical field of electric drive assemblies. The electric drive assembly comprises a motor assembly, a speed reducer shaft tooth assembly and a cooling lubricating oil way, the motor assembly is in transmission connection with the speed reducer shaft tooth assembly, the motor assembly and the speed reducer shaft tooth assembly are each provided with a matched bearing set, and the cooling lubricating oil way comprises an oil pumping assembly, a main oil way, a branch oil way, an oil spraying pipe and a plurality of bearing lubricating oil ways. The oil pumping assembly is used for pumping oil to the main oil way, the branch oil ways and the oil spraying pipe communicate with the main oil way, and the bearing lubricating oil ways correspond to bearings in the bearing pack one to one. Wherein the branch oil way is used for outputting oil liquid to the motor assembly, the oil spraying pipe is provided with a plurality of first oil spraying openings, and the first oil spraying openings correspond to a plurality of bearings in the bearing set, so that the oil liquid can be sprayed to the corresponding bearings from the first oil spraying openings to form corresponding bearing lubricating oil ways. According to the electric drive assembly, a cooling lubricating oil way in the electric drive assembly can be simplified.