CN217583055U

CN217583055U - Novel gear type elastic torque-variable continuously variable transmission device

Info

Publication number: CN217583055U
Application number: CN202220287979.5U
Authority: CN
Inventors: 戎华庆; 戎正甲
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-10-14
Anticipated expiration: 2032-02-08

Abstract

The utility model provides a novel gear formula elasticity becomes turns round buncher device: the power input shaft is of a double-torque driving type, the front end drives a double-internal gear, the rear end drives a planetary gear mechanism, the front end of a duplex outer gear ring is provided with a double-internal-meshing tooth track, the rear end is provided with a planetary gear meshing tooth track, steel ball holes are formed in respective central lines of the duplex outer gear ring in an equal division mode, steel balls with the same number are arranged in the holes, the generation of stepless torque change force is that an elastic steel ring which is arranged generates pressing force on the steel balls in the steel ball holes, and the arranged steel ball part balls occupy the tooth track, so that a rotating tooth head must upwards push the steel balls open, and meanwhile, the pushed open elastic steel ring with pressure is also used, and the stepless speed changer device can be widely used for: bicycle, motorcycle, large truck, machine-building and so on.

Description

Novel gear type elastic torque-changing continuously variable transmission device

Technical Field

The utility model relates to an automobile transmission, mechanical automation, bicycle Continuously Variable Transmission (CVT) technical field, a novel gear formula elasticity becomes turns round continuously variable transmission device.

Background

The speed and the change of the running of the automobile, the stepless rotating speed of an engine and the stepless running of the automobile are determined, so that a transmission of the automobile is required to reach a stepless speed change ratio (continuously variable transmission), which is called as 'CVT' technology for short. Similarly, transmissions in other mechanical fields also require to achieve the function of a continuously variable transmission ratio CVT to achieve reasonable matching of required rotating speed and torque, so that the requirement on a Continuously Variable Transmission (CVT) technical device is increased, and the time for canceling the CVT from a common transmission is shortened, at present, mechanical automation and automobile transmissions adopt a plurality of types of technical devices to execute the working process of the CVT, such as a hydraulic torque converter, a friction torque converter, a steel ball type torque converter and the like, and by taking an automobile as an example, the common automobile CVT has the following 2 types, (1) steel discs represented by japan and steel belt type CVT technologies, and because the technology can be applied only in a small power range, most of the technology are installed on small vehicles, and large buses and heavy trucks cannot be popularized and applied, and (2) at present, small vehicles in China adopt the hydraulic torque converter technical device to achieve the working purpose of the CVT, but large vehicles cannot be popularized and applied.

The most extensive of the existing heavy trucks with high power is to use the traditional gear speed variator, which has the significant advantages of large torque transmission rate, high efficiency, reliable work and the like and still occupies the main position of the heavy truck, but has the disadvantages that although the power of the engine is increased, the pulling tonnage is increased, the speed variator develops from 6 speed to 24 speed, the development cost of the speed variator is increased from two axes to three axes, and meanwhile, a driver needs to frequently change the working gear according to the running speed of the vehicle and the rotating speed of the engine at any time to ensure that the running speed of the engine and the vehicle is perfectly matched, therefore, how to change the gear speed advantage is innovated, the gear technology can achieve the function of a Continuously Variable Transmission (CVT), and the problem needs to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of the above, in order to solve the above problems and achieve the above object, the present invention adopts the following technical solutions: a novel gear type elastic torque-changing stepless speed changer device is provided with the following parts, a power input shaft and the power input shaft are respectively provided with a duplex eccentric shaft assembly spline, a duplex eccentric shaft, a needle bearing, a first internal gear, a steel ball, a first elastic steel ring, a second elastic steel ring, a duplex outer gear ring, a planetary gear needle bearing, a planetary gear center pin shaft, a center bearing, an output shaft arranged on the planetary gear disc, a planetary gear center wheel (sun wheel), a planetary gear disc, a planetary gear support, a second internal gear and a duplex outer gear ring are provided with an elastic steel ring groove, the elastic steel ring is provided with a staggered interface and a steel ball hole arranged on the duplex outer gear ring, the parts are symmetrical on the center axis of a stepless speed changer so as to ensure the same-direction balance force during coaxial rotation, the power input shaft is arranged in a through mode from front to back, the duplex eccentric shaft arranged at the front end is assembled by the assembly spline, the rear end is provided with the planetary gear center wheel (sun wheel), the rearmost end is assembled with the center bearing arranged at the center part of the center wheel disc, the planetary gear, the rear end of the planetary gear is engaged with the planetary gear by the outer gear center wheel, the inner hole arranged at the front end of the planetary gear center shaft, and the planetary gear center wheel are arranged between the planetary gear support; the duplex eccentric shaft is simultaneously provided with a first inner gear and a second inner gear, a needle bearing is arranged between the shaft and an inner hole of the gear, teeth on the inner gears and teeth on a duplex outer gear ring adopt a double inner meshing small tooth difference technology, 6-40 steel ball holes are arranged on respective central lines of outer circles of the duplex outer gear ring in an equal division (share) manner, steel balls with the same quantity are arranged in the steel ball holes, the steel balls can slide up and down in the steel ball holes, elastic steel ring grooves are arranged on respective central lines of outer circles of the duplex outer gear ring, a first elastic steel ring and a second elastic steel ring are respectively arranged in the grooves, staggered interfaces are arranged on the elastic steel rings, the thickness of the elastic steel rings is 0.5-8 mm, the steel balls are pressed in the steel ball holes under the pressing force of the elastic steel rings, the arranged steel balls are arranged in the steel ball holes, part of the arranged steel balls occupy tooth tracks meshed with the gear, when the power input shaft rotates, teeth on the first inner gears and the second inner gears are arranged, and when the power input shaft rotates, the ball is meshed with the teeth, the balls are pushed out of the teeth, and the balls are also pushed out upwards by the elastic steel balls, and the steel balls.

All parts arranged on the duplex outer gear ring and the duplex outer gear ring are free balance pieces, the first and second duplex inner gears and the duplex outer gear ring are free hobbing pieces, and the stepless torque-changing force is generated by jacking steel balls and elastic steel rings in the hobbing process.

The double-torque driving type double-gear planetary gear mechanism is characterized in that the power input shaft is of a double-torque driving type, the front end drives a double inner gear, the rear end drives a planetary gear mechanism, the front end of a double outer gear ring is provided with a double inner gear path, the rear end is provided with a planetary gear meshing path, when the power input shaft starts to rotate, and the planetary gear mechanism rotates, the driving torque force is transmitted to an output shaft on a planetary gear disc to drive the output shaft to rotate, the output shaft is influenced by external force to form reverse driving torque force, so that the double outer gear ring rotates reversely to generate reverse rotation force, the double inner gear works at the moment, the torque force generated by the double outer gear ring comprises steel balls and elastic steel rings which push open the tooth paths, the torque force generated by the double outer gear ring is positive rotation force, when the positive rotation force is larger than the reverse rotation force, the output shaft starts to rotate under the influence of the external force, when the rotation speed of the power input shaft is increased, and the output rotation speed of the output shaft is increased.

Drawings

Fig. 1 is the utility model discloses: a novel gear type elastic torque-variable continuously variable transmission device is a section assembly schematic diagram of main part structure arrangement.

Fig. 2 is the utility model discloses: a novel gear type elastic torque-changing continuously variable transmission device is provided, wherein a profile structure A-A on the side surface of the continuously variable transmission is provided with an assembly schematic diagram.

Fig. 3 is the utility model: a novel gear type elastic torque-changing continuously variable transmission device comprises a planetary gear (16), a planetary gear needle bearing (10), a duplex outer gear ring (9), a planetary gear central pin shaft (11), a power input shaft (1), a planetary gear central wheel (sun wheel) (14) and a planetary gear disc (15), wherein a B planetary gear structure side view section is provided with an assembly schematic diagram, and ← → an arrow head represents a rotation direction, and ← a double arrow head represents a reverse rotation direction of the duplex outer gear ring (9).

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical means of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, the utility model discloses: a novel gear type elastic torque-changing stepless speed changer device is designed and explained in detail in the embodiment, the stepless speed Changer (CVT) device is arranged on a central axis, the arranged parts are symmetrical so as to ensure the same-direction balance force when rotating on the same axis, a power input shaft 1 is arranged in a penetrating way from front to back, a duplex eccentric shaft 3 arranged at the front end is assembled by an assembling spline 2, a planetary gear central wheel (sun wheel) 14 is arranged at the rear end, the rearmost end is assembled with a central bearing 12 arranged at the central part of a planetary wheel disc 15, an output shaft 13 is arranged on the planetary wheel disc at the rear end of the central axis, a duplex outer gear ring 9 is provided with double inner gear tracks at the front end, a planetary gear 16 meshing tracks are arranged at the rear end, the planetary gear 16 is assembled by a planetary wheel disc 15 and a planetary gear bracket 17 through a central pin shaft 11, a planetary gear needle bearing 10 is arranged between a central pin shaft 11 and an inner hole of a planetary gear 16, a first inner gear 5 and a second inner gear 18 are simultaneously arranged on a duplex eccentric shaft 3, a needle bearing 4 is arranged between the shaft and the inner hole of the gear, the teeth on the inner gear and the teeth on a duplex outer gear ring 9 adopt a double internal meshing small tooth difference technology, 14 steel ball holes 21 are equally divided (distributed) on respective central lines on the duplex outer gear ring 9, the same number of steel balls 6 are arranged in the steel ball holes 21, the steel balls 6 can slide up and down in the steel ball holes 21, elastic steel ring grooves 19 are respectively arranged on the respective central lines of the outer circle of the duplex outer gear ring 9, a first elastic steel ring 7 and a second elastic steel ring 8 are respectively arranged in the two elastic steel ring grooves 19, a staggered interface 20 is arranged on the elastic steel rings, the thickness of the elastic steel rings is 2 mm, the steel balls 6 pressed in the steel ball holes 21 by the pressing force of the elastic steel rings, the arranged steel balls 6 are arranged in the steel ball holes 21, part of the balls occupy the tooth tracks of gear engagement, when the power input shaft 1 rotates, the teeth on the arranged first and second internal gears mesh along the teeth on the duplex external gear ring 9 and rotate tooth by tooth, the tooth tracks are occupied by part of the balls 6 arranged with the steel balls, so that the rotating tooth heads must push the steel balls 6 upwards, meanwhile, the pushed-open elastic steel ring with pressure is also arranged, all parts arranged on the duplex external gear ring 9 and the duplex external gear ring 9 are free balance parts, the arranged first and second internal gears and the duplex external gear ring 9 are free rolling gear parts, the stepless torque force is generated by pushing the steel balls 6 and the elastic steel ring in the gear rolling process, the power input shaft 1 is of a double-torque driving type, the front end drives the double internal gears, the rear end drives the planetary gear mechanism, the front end of the duplex external gear ring 9 is provided with the double tooth tracks, the rear end is provided with a planetary gear 6 meshing gear path, when the power input shaft 1 starts to rotate and the planetary gear mechanism rotates, the driving torque force is transmitted to an output shaft 13 on a planetary gear disc 15 arranged to drive the output shaft 13 to rotate, the output shaft 13 is influenced by external force to form reverse driving torque force, so that the duplex outer gear ring 9 reversely rotates to generate reverse rotation force, the work of the double inner gear at the moment comprises the pushing of steel balls 6 and an elastic steel ring on the gear path, the torque force generated on the duplex outer gear ring 9 is positive rotation force, when the positive rotation force is larger than the reverse rotation force, the output shaft 13 overcomes the external force to start to rotate, when the rotating speed of the power input shaft 1 is increased, the generated positive rotation torque force is increased, the output rotating speed of the output shaft 13 is also faster and faster, the vehicle is accelerated to push to run, when the vehicle runs at high speed, the stepless speed changer is on a central axis, under the drive of the engine, the input shaft 1 and the output shaft 13 of the planetary gear plate 15 rotate in the same speed and direction, all the structures of the stepless speed changer enter the sleep period of high-speed rotation, when the vehicle encounters running resistance and braking deceleration in running, all the structures of the stepless speed changer start the stepless torque changing work, the stepless speed changer is a torque sensor arranged between the input shaft 1 and the output shaft 13, the power and the torque of the engine are transmitted to the output shaft 13 through the stepless speed changer, the output shaft 13 drives the vehicle to start stably to accelerate and push the vehicle to run, otherwise, various running resistances in running of the vehicle are transmitted to the input shaft 1, and the stepless speed changer matches the power and the torque changed by the engine and various running resistances in running of the vehicle at any time.

The embodiments described herein are merely illustrative of the spirit of the invention and those skilled in the art may make various modifications, additions and substitutions to the embodiments described, without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms such as the power input shaft 1, the duplex eccentric shaft assembly spline 2 provided on the power input shaft, the duplex eccentric shaft 3, the needle roller bearing 4, the first internal gear 5, the steel ball 6, the first elastic steel ring 7, the second elastic steel ring 8, the duplex external gear ring 9, the planetary gear needle roller bearing 10, the planetary gear center pin shaft 11, the center bearing 12, the output shaft 13 provided on the planetary gear plate, the planetary gear center wheel (sun wheel) 14, the planetary gear plate 15, the planetary gear 16, the planetary gear bracket 17, the second internal gear 18, the duplex external gear ring provided with the elastic steel ring groove 19, the elastic steel ring provided with the dislocation joint 20, the steel ball hole 21 provided on the duplex external gear ring are used more often, the possibility of using other terms is not excluded, and these terms are only used for more convenient description and explanation of the essence of the present invention: they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a novel gear formula elasticity becomes turns round buncher device which characterized in that: the technical device is characterized by comprising a power input shaft (1), a duplex eccentric shaft assembly spline (2) arranged on the power input shaft, a duplex eccentric shaft (3), a needle bearing (4), a first internal gear (5), steel balls (6), a first elastic steel ring (7), a second elastic steel ring (8), a duplex outer gear ring (9), a planetary gear needle bearing (10), a planetary gear central pin shaft (11), a central bearing (12), an output shaft (13) arranged on the planetary gear disc, a planetary gear central wheel (14), a planetary gear disc (15), a planetary gear (16), a planetary gear bracket (17), a second internal gear (18), an elastic steel ring groove (19) arranged on the duplex outer gear ring, a staggered interface (20) arranged on the elastic steel ring and a steel ball hole (21) arranged on the duplex outer gear ring, wherein the arranged parts are symmetrical on a central shaft of the continuously variable transmission to ensure the same-direction balance force during coaxial rotation, the power input shaft (1) is arranged from the front to the rear, the duplex eccentric shaft (3) arranged at the front end is penetrated through the assembly spline (2), the central shaft (14) is arranged on the rear end of the planetary gear disc, and the central shaft (13) is arranged at the rear end of the planetary gear central shaft, and the planetary gear central shaft (13) is arranged at the rear end of the planetary gear central shaft, the front end of the duplex outer gear ring (9) is provided with a double inner gear track, the rear end is provided with a planetary gear (16) gear track, the planetary gear (16) is assembled by a planetary gear disc (15) and a planetary gear bracket (17) through a central pin shaft (11), and a planetary gear needle bearing (10) is arranged between the central pin shaft (11) and an inner hole of the planetary gear (16);

the duplex eccentric shaft (3) is simultaneously provided with a first internal gear (5) and a second internal gear (18), a needle bearing (4) is arranged between the shaft and the inner hole of the gear, the teeth on the internal gear and the teeth on the duplex outer gear ring (9) adopt a double internal engagement small tooth difference technology, 6-40 steel ball holes (21) are equally arranged on respective central lines on the duplex outer gear ring (9), the same number of steel balls (6) are arranged in the steel ball holes (21), the steel balls (6) can slide up and down in the steel ball holes (21), elastic steel ring grooves (19) are respectively arranged on respective central lines of the excircle of the duplex outer gear ring (9), the first elastic steel ring and the second elastic steel ring are respectively arranged in the grooves, the first elastic steel ring and the second elastic steel ring are provided with dislocation interfaces (20), the thickness of the elastic steel ring is 0.5 mm-8 mm, steel balls (6) are pressed in steel ball holes (21) under the pressing force of the elastic steel ring, the arranged steel balls (6) are arranged in the steel ball holes (21), part of balls occupy tooth tracks of gear engagement, when the power input shaft (1) rotates, teeth on the arranged first inner gear and the arranged second inner gear are engaged along teeth on the duplex outer gear ring (9) to rotate tooth by tooth, and part of balls of the arranged steel balls (6) occupy the tooth tracks, so that the rotating tooth heads must push the steel balls (6) upwards, and meanwhile, the pushed-open elastic steel rings with pressure are arranged.