15results about How to "Large reduction ratio" patented technology

This invention relates to the field of robot transmission technology, specifically an industrial robot reducer, comprising a first frame assembly and a second frame assembly, both of which can be mounted on the output end of a drive motor at their bottom. The first frame assembly has a first output shaft at its top and an internal unidirectional reduction assembly for achieving unidirectional reduction output. The second frame assembly has a second output shaft laterally located on one side of its top and an internal reversing reduction assembly for achieving vertical reversing reduction output. The unidirectional reduction assembly includes an input gear, a multi-stage unidirectional double gear, and a first output gear; the reversing reduction assembly includes a worm gear, a multi-stage reversing double gear, and a second output gear. The first frame assembly uses a base plate, middle plate, top plate, and long bolt assembly structure, and the first output shaft is prevented from detaching by a limiting plate. This invention can flexibly achieve unidirectional or vertical reduction output, has a compact structure, smooth transmission, high positioning accuracy, and strong impact resistance.

This invention provides a speed reduction mechanism and a motor with a speed reduction mechanism. The first gear and the second gear can be configured with an arc-shaped, uneven meshing structure that does not deteriorate the meshing state between them. Furthermore, the number of teeth on the first gear can be set to one, and the number of teeth on the second gear can be increased to easily increase the tooth difference. A helical meshing protrusion (31c) is provided on the pinion (31), and multiple meshing recesses (32d) for the meshing protrusion to mesh on the helical gear (32). These meshing protrusions and recesses are formed in an arc shape in a direction orthogonal to the axial direction of the pinion. Therefore, the pinion and helical gear can be configured with an arc-shaped, uneven meshing structure that does not deteriorate the meshing state between them, and the number of teeth on the pinion can be set to one, and the number of teeth on the helical gear can be increased to easily increase the tooth difference. Therefore, the reduction ratio can be further increased without increasing the volume of the speed reduction mechanism (30).

The utility model belongs to lithium electricity cutting machine technical field, especially relates to a four -stage planetary transmission speed reducer. Including installation cylinder seat, input shaft, output shaft and sun gear no. 1, the both ends of installation cylinder seat rotatory installation have input shaft with output shaft, the sun gear no. 1 is set up on input shaft, planetary disc holder and inner toothed ring, installation cylinder seat is installed with inner toothed ring, the inner toothed ring is engaged and is stacked with four -stage transmission planetary disc holder, and first -stage planetary disc holder is engaged with transmission connection with sun gear no. 1, fourth -stage planetary disc holder is connected with output shaft. The utility model discloses through planetary transmission speed reducer can reduce the high speed of lithium electricity cutting machine's motor output to low speed, has realized multistage speed reduction and greater speed reduction ratio.

The utility model discloses a coaxial electric drive axle of big reduction ratio and vehicle, including motor, reduction mechanism and differential, reduction mechanism at least includes sun gear, planetary gear assembly, support ring gear and output ring gear, and differential includes rotator and two drive shafts, and planetary gear assembly includes planet carrier and with coaxial connection's first planetary gear and second planetary gear, and the rotor axle of motor is connected sun gear, and sun gear connects first planetary gear and / or second planetary gear, and first planetary gear and support ring gear are engaged, and second planetary gear and output ring gear are engaged, and output ring gear connects rotator, and one drive shaft of differential is arranged in the axle of rotor axle and sun gear's axle center, to guarantee the torque of motor output deceleration, increase the twist after transmission to rotator through reduction mechanism, and then guarantee the torque distribution to two drive shafts, and such can realize big reduction ratio, and the whole radial dimension is small, and cost is low and occupies small space.

A composite rhythmic slow rocking device and massage chair include a first rocking component and a second rocking component. The output ends of the first and second rocking components are respectively connected to the two ends of a platform, and the axis of the output end of the first rocking component forms a first axis, while the axis of the output end of the second rocking component forms a second axis. The first and second rocking components can be controlled independently or collaboratively to achieve various movement modes such as slow rocking, rhythmic rocking, and composite rocking, meeting users' needs for diverse relaxation experiences and solving the problem of poor experience caused by single function or complex structure in existing technologies. In addition, the design of the first and second rocking components as mutual rotation fulcrums eliminates the need for separate support mechanisms for each movement mode, simplifying the overall mechanical structure and reducing manufacturing difficulty and cost.

The invention discloses a mid-motor with an improved harmonic reducer, belongs to the technical field of motors, and mainly solves the problem that a harmonic reducer of an existing mid-motor is fixed in reduction ratio and cannot adapt to multiple working conditions. The motor comprises an end cover, a motor stator assembly, a motor rotor, a wave generator, a flexible gear, a rigid gear, an adjusting motor, a controller and the like, and is characterized in that the inner ring of a rigid gear ring is totally provided with 60 teeth, the number of fixed teeth and the number of telescopic teeth are equal, the fixed teeth and the telescopic teeth are alternately distributed, and the telescopic teeth are in transmission connection with a gear set through a rack bar; and the gear set is linked with an adjusting motor through a gear ring and a worm. When the adjusting motor is started, the telescopic teeth can be driven by the transmission link to stretch out and draw back in the tooth grooves, the meshing tooth number of the rigid gear and the flexible gear is changed, and therefore the reduction ratio of the harmonic reducer is flexibly adjusted. According to the invention, the motor outputs large torque during climbing and heavy load, the efficiency is improved during high-speed driving, the motor is suitable for various electric vehicles such as electric bicycles, the structure is stable, and the adaptability is high.

The present disclosure relates to an electric wheel comprising a hollow body and a motor housed at least partially inside the body, a motor carrier carrying the motor, and a transmission system transmitting the rotational motion of a rotor to the body, the transmission system having a driving element rotatably driven by the rotor of the motor carrier, and a driven element positioned on the body and comprising a set of teeth that rotates inseparably with the body, the body having a hub defining an axis of rotation of the wheel, the driving element and the driven element being engageable in meshing engagement, the set of teeth comprising axial teeth projecting from a plane perpendicular to the axis of rotation of the wheel, the motor carrier being equipped with at least one guide member, the body comprising at least one circular track coaxial with the axis of rotation of the wheel, the circular track having a contact surface perpendicular to the axis of rotation of the wheel, and the guide member or at least one guide member being capable of forming a rolling or sliding bearing contact with the contact surface.

The utility model provides a planet series harmonic composite speed reducer, and relates to the technical field of speed reducers. The crossed roller bearing is connected to one side of the steel wheel; and the harmonic speed reduction structure is connected to the crossed roller bearing, and the harmonic speed reduction structure comprises a flexible gear switching block, a flexible gear pressing plate and a flexible gear. The planetary reducer has the beneficial effects that the planetary reducer structure and the harmonic reducer structure take the cam as a common element, and the cam and the inner gear ring are ingeniously combined, so that the advantages of high bearing capacity of planetary reducer and small volume and large reduction ratio of harmonic reducer are fully played, and the efficient, compact and stable reducer effect is realized; a planet carrier in the planetary speed reduction structure is connected with a flexible gear pressing plate so that the planet carrier and the flexible gear pressing plate can work cooperatively, power is transmitted to a sun gear through an input shaft to drive a planet gear to rotate and revolve around the sun gear, and after preliminary speed reduction is achieved, power is transmitted to the harmonic speed reduction structure through a cam.

The application belongs to the technical field of automation, and particularly relates to a kinetic energy actuator and a working method. The kinetic energy actuator comprises: a bearing, which serves as a mounting carrier; a motor, which is fixedly installed on the bearing and serves as a power source; a rotary output, which is rotatably installed on the bearing and outputs a rotary driving force externally; a speed reduction transmission group, which is connected in power between the rotary output and an output shaft of the motor, and transmits the rotary driving force of the motor to the rotary output after speed reduction and torque increase; an optical code disc, which is coaxially connected with the output shaft of the motor and rotates synchronously with the output shaft of the motor; and a photoelectric sensor, which is fixedly installed and detects the rotation of the optical code disc, and detects the rotation angle and rotation direction of the optical code disc. The kinetic energy actuator provided by the application has a compact structure, a regular shape, a large speed reduction ratio, and can simply and accurately control the rotation angle, and has wide adaptability to different application scenarios.

The utility model discloses a speed reduction planet driving wheel structure which comprises a connecting frame, an output motor, a tire, a gear ring and a hub, an outer bearing is arranged in the right side end of the inner wall of the hub, the gear ring is fixed on the outer bearing, a first planet wheel set, a second planet wheel set and a third planet wheel set are connected in the gear ring, and the right side end of the first planet wheel set is arranged in a first inner bearing. The output motor fixes an output gear, the first planet gear set is connected with an intermediate gear in an engaged mode, the second planet gear set is connected with a transition gear, the transition gear is connected with the third planet gear set, the left side end of the third planet gear set is connected to the left side end of the transition gear in a sleeved mode, and the third planet gear set fixes a connecting base. A connecting seat is arranged in a connecting bearing, a power output plate is fixed on a third planet wheel set, the power output plate is fixed on a hub, a fixing bolt is arranged on the power output plate, and a positioning pin shaft is arranged on the third planet wheel set; the utility model has the advantages of simple structure, low noise, high concentricity, large transmission torque and high efficiency.

A rotation body is rotated by utilizing gravity by positioning the positions of a plurality of mass points attached to the rotation body so that torque acting on the rotation body is always positive. A plurality of weight holding mechanisms 30 each provided at an installation position 21 on a main rotation body, separated by a rotation radius R from a rotation center 0 of the main rotation body 20 mounted rotatably with respect to a base body 10, and equiangularly spaced from one another with respect to the rotation center O are included, and the weight holding mechanisms each includes a weight support rotation body 31 provided rotatably with respect to the main rotation body, a weight body 32 turnably supported at a support portion 31a with respect to the weight support rotation body 31, and a force receiving rotation body 34 that tries to turn by receiving a turning force of the weight body itself by the weight body at a power receiving position. A power applying mechanism 50 that applies power that rotates the force receiving rotation body 34 in the weight holding mechanism 30 at a same angular velocity as the main rotation body in an opposite direction to a rotation direction of the main rotation body is included.

A vehicle brake apparatus can include a caliper body fixed to a vehicle body, a driving unit fixed to the caliper body and generating a rotational force, a piston unit movably installed in the caliper body and pressing or releasing a brake pad according to a moving direction of the piston unit, a transmission gear unit connected with the driving unit and rotated by the rotational force received from the driving unit, and a planetary gear unit fixed to the caliper body and moving the piston unit forward and backward as the transmission gear unit is rotated. According to the vehicle brake apparatus, the number and weight of parts can be reduced by eliminating a separate structure such as an actuator housing.

The application discloses a desktop mechanical arm driving structure, a desktop mechanical arm and a robot. The desktop mechanical arm driving structure comprises a rotating platform, a large-arm driving motor and a small-arm driving motor, a large-arm speed reducer and a small-arm speed reducer, the large-arm speed reducer and the small-arm speed reducer are arranged along a left-right direction and motor shafts are located on a first side of the rotating platform, a large-arm first transmission mechanism and a small-arm first transmission mechanism are arranged on the first side of the rotating platform, a large-arm second transmission mechanism is arranged on a second side of the rotating platform, an input shaft of the large-arm speed reducer is connected with the large-arm driving motor through the large-arm first transmission mechanism, an output shaft of the large-arm speed reducer is connected with the large arm through the large-arm second transmission mechanism, an input shaft of the small-arm speed reducer is connected with the small-arm driving motor through the small-arm first transmission mechanism, and an output shaft of the small-arm speed reducer is connected with the small arm. The desktop mechanical arm driving structure is more compact, the power transmission effect of the desktop mechanical arm can be optimized, and a greater speed reduction ratio can be realized.

The utility model discloses a single-motor three-gear electric drive axle with balanced weight distribution and a vehicle, which belong to the technical field of new energy automobile electric drive systems and comprise a drive motor, an input shaft, an intermediate shaft component, a transmission gear set, a differential mechanism assembly and a half shaft, and the intermediate shaft component, the transmission gear set, the differential mechanism assembly and the half shaft are arranged on two sides of the axle. The driving motor is connected with the input shaft, and the intermediate shaft assembly and the transmission gear set are arranged on the two radial sides of the half shaft correspondingly. The input shaft selectively transmits power to a second-third-gear intermediate shaft or a first-gear intermediate shaft of the intermediate shaft assembly through the transmission gear set and the gear selection mechanism. Power of the differential mechanism assembly is transmitted to the planet row speed reducing mechanism through the transmission gear set, output to the differential mechanism shell and output drive through the half shaft. The transmission gear and the shaft system are arranged on the two sides of the axle to balance the weight, the time of the motor running in an efficient interval is prolonged through three-gear speed change, energy consumption is reduced, the large reduction ratio is obtained through the planet row speed reducer, the wheel end output torque is improved, and practicability and adaptability are achieved.

The utility model discloses a high accuracy butterfly valve control module, include: cover tooth seat, motor, wave generator and soft cylinder cover, and the soft cylinder cover is connected in the inside of cover tooth seat, and the surface is equipped with the external tooth, the external tooth is engaged with the ring tooth of inside of cover tooth seat, wave generator is located in the inside of soft cylinder cover, has two wave wheels of symmetrical arrangement, is used for carrying out periodic extrusion deformation to soft cylinder cover, and motor is coaxial and is arranged in the inside of wave generator, and its output is connected through transmission gear group and the transmission tooth cover on wave generator and is engaged, realizes drive transmission, and the outside of wave generator still has the shaft ring, and is rotatably installed in transmission seat, and transmission seat is fixed on cover tooth seat through screw. The flange plate is equipped with for being connected with butterfly valve axle in the end of soft cylinder cover. This module compact structure, the degree of integration is high, realizes the high accuracy control of butterfly valve opening and closing angle through harmonic drive, is applicable to the precise fluid regulation occasion.